A system that converts sheet material into packaging templates includes a converting assembly that performs conversion functions, such as cutting, creasing, and scoring, on the sheet material as the sheet material moves through the converting machine in a first direction. The converting assembly may
A system that converts sheet material into packaging templates includes a converting assembly that performs conversion functions, such as cutting, creasing, and scoring, on the sheet material as the sheet material moves through the converting machine in a first direction. The converting assembly may be mounted on a frame such that the converting assembly is elevated above a support surface. One or more longhead converting tools performs conversion functions on the sheet material in a first direction and a crosshead converting tool performs conversion functions on the sheet material in a second direction in order to create packaging templates.
대표청구항▼
1. A converting machine used to convert sheet material into packaging templates for assembly into boxes, the converting machine comprising: a converting assembly configured to perform one or more transverse conversion functions and one or more longitudinal conversion functions on the sheet material,
1. A converting machine used to convert sheet material into packaging templates for assembly into boxes, the converting machine comprising: a converting assembly configured to perform one or more transverse conversion functions and one or more longitudinal conversion functions on the sheet material, the one or more transverse conversion functions and the one or more longitudinal conversion functions being selected from the group consisting of creasing, bending, folding, perforating, cutting, and scoring, said converting assembly comprising: a track extending along at least a portion of a width of the converting assembly;one or more longheads movably mounted on the track, the one or more longheads comprising a body and one or more cutting wheels or one or more creasing wheels that perform the one or more longitudinal conversion functions on the sheet material, the one or more cutting wheels or the one or more creasing wheels being connected to the body such that a vertical position of the one or more cutting wheels or one or more creasing wheels relative to the track remains constant, at least one of said one or more longheads being selectively repositioned along the track along at least a portion of the width of said converting assembly to make the one or more longitudinal conversion functions at different positions along a width of the sheet material; anda crosshead having one or more cutting wheels or one or more creasing wheels that perform the one or more transverse conversion functions on the sheet material, said crosshead being selectively movable relative to the sheet material and along at least a portion of the width of said converting assembly to perform the one or more transverse conversion functions on the sheet material, said crosshead selectively engages and repositions said at least one of said one or more longheads along the width of said converting assembly. 2. The converting machine of claim 1, wherein said one or more cutting wheels of said crosshead are selectively movable between a raised position and a lowered position, said one or more cutting wheels of said crosshead being selectively movable to said lowered position by an actuator, said actuator comprising one or more solenoids, the converting machine further comprising a pulse-width modulation circuit board in electrical communication with said one or more solenoids, said pulse-width modulation circuit board selectively regulating currents within said one or more solenoids. 3. The converting machine of claim 2, wherein said pulse-width modulation circuit board generates: a first current within said one or more solenoids such that said one or more solenoids are able to move said one or more cutting wheels of said crosshead to said lowered position with sufficient force to penetrate the sheet material; anda second current within said one or more solenoids such that the one or more solenoids apply a force to said one or more cutting wheels of said crosshead to maintain said one or more cutting wheels of said crosshead in said lowered position, wherein the second current is lower than the first current. 4. The converting machine of claim 3, wherein the first current causes said one or more solenoids to create a force that increases as said one or more solenoids move said one or more cutting wheels of said crosshead to said lowered position, and wherein the second current causes said one or more solenoids to create a reduced force that is sufficient to maintain said one or more cutting wheels of said crosshead in said lowered position while continuing to cut the sheet material, but without overheating said one or more solenoids, wherein the reduced force is lower than the force created as said one or more solenoids move said one or more cutting wheels of said crosshead to said lowered position. 5. The converting machine of claim 2, wherein said one or more cutting wheels of said crosshead may be selectively moved between a raised position and a lowered position, wherein said one or more cutting wheels of said crosshead may be selectively moved to said lowered position by an actuator, wherein said one or more cutting wheels of said crosshead build up kinetic energy as said one or more cutting wheels of said crosshead move from said raised position to said lowered position, wherein said kinetic energy facilitates penetration of said one or more cutting wheels of said crosshead through the sheet material when the amount of force from said actuator alone is insufficient to cause said one or more cutting wheels of said crosshead to penetrate the sheet material. 6. The converting machine of claim 1, wherein at least one of said one or more longheads does not have any electrical or pneumatic actuators and is not connected to a cable chain that transfers signals or energy to the at least one of said one or more longheads. 7. The converting machine of claim 1, wherein said at least one of said one or more longheads comprises a brake pivot arm that selectively pivots between a locked position and an unlocked position, wherein said brake pivot arm engages a brake belt when said brake pivot arm is in said locked position, wherein engagement of said brake pivot arm with said brake belt prevents said at least one of said one or more longheads from being repositioned along at least a portion of the width of said converting assembly. 8. The converting machine of claim 7, wherein said brake pivot arm comprises an engagement member that engages said brake belt when said brake pivot arm is in said locked position. 9. The converting machine of claim 1, wherein said at least one of said one or more longheads comprises a brake pivot arm that selectively pivots between a locked position and an unlocked position, wherein said at least one of said one or more longheads comprises a longhead body to which said brake pivot arm is pivotally connected, wherein a spring is connected between said longhead body and said brake pivot arm to bias said brake pivot arm toward said locked position, wherein said crosshead selectively engages said brake pivot arm to pivot said brake pivot arm from said locked position to said unlocked position. 10. The converting machine of claim 9, wherein said crosshead comprises an actuator that selectively engages said brake pivot arm to selectively pivot said brake pivot arm from said locked position to said unlocked position. 11. The converting machine of claim 10, wherein said actuator comprises a solenoid or another electrical actuator. 12. The converting machine of claim 10, wherein said actuator comprises a plunger that moves to selectively engage said brake pivot arm. 13. The converting machine of claim 12, wherein said actuator builds up kinetic energy as said plunger moves toward said brake pivot arm, wherein said kinetic energy facilitates pivoting of said brake pivot arm when the amount of force from said actuator alone is insufficient to pivot said brake pivot arm. 14. The converting machine of claim 13, wherein said brake pivot arm builds up kinetic energy as said brake pivot arm pivots from said locked position to said unlocked position, wherein said kinetic energy facilitates engagement between said brake pivot arm and said crosshead. 15. The converting machine of claim 10, wherein a biasing force provided by said spring has a first component and a second component, wherein said actuator applies a force in a first direction to pivot said brake pivot arm from said locked position to said unlocked position, and wherein said first direction is parallel to said first component of said biasing force. 16. The converting machine of claim 15, wherein an angle between said first direction and said spring decreases as said brake pivot arm pivots from said locked position to said unlocked position, whereby said first component of said biasing force decreases as said brake pivot arm pivots from said locked position to said unlocked position. 17. The converting machine of claim 9, wherein said brake pivot arm comprises an extension and said crosshead comprises a notch, wherein said extension engages said notch when said crosshead pivots said brake pivot arm from said locked position to said unlocked position. 18. The converting machine of claim 17, wherein said notch comprises parallel walls and a flared opening. 19. The converting machine of claim 17, wherein movement of said crosshead along at least a portion of the width of said converting assembly when said extension is engaged in said notch results in repositioning of said longhead along the width of said converting assembly. 20. The converting machine of claim 1, wherein said converting assembly comprises: a support structure;a converting assembly cartridge selectively mounted on said support structure;a cover assembly, wherein the cover assembly may be selectively opened to facilitate servicing or removal of said converting assembly cartridge, wherein said cover assembly comprises: two opposing side covers pivotally connected to said frame of said converting assembly;a front cover pivotally connected between said two opposing side covers; anda rear cover pivotally connected between said two opposing side covers. 21. The converting machine of claim 20, wherein said front cover and said rear cover may be individually and selectively opened and closed. 22. The converting machine of claim 20, wherein said two opposing side covers, said front cover, and said rear cover may be selectively opened and closed as a single unit to facilitate servicing or removal of said converting assembly cartridge from said converting assembly. 23. A converting machine used to convert sheet material into packaging templates for assembly into boxes, the converting machine comprising: a converting assembly comprising: a track extending along at least a portion of a width of the converting assembly;a longhead that performs longitudinal conversion functions on the sheet material, the longhead comprising a body and at least one of a cutting wheel or a creasing wheel that perform the longitudinal conversion functions on the sheet material, the cutting wheel or the creasing wheel being connected to the track, the longhead being selectively repositionable along the track such that a vertical position of the cutting wheel or the creasing wheel relative to the track remains constant, the longhead being configured to make the longitudinal conversion functions at different positions along a width of the sheet material; anda crosshead that performs transverse conversion functions on the sheet material, the crosshead comprising a body and at least one of a cutting wheel or a creasing wheel that perform the transverse conversion functions on the sheet material, said crosshead being selectively movable relative to the sheet material and along at least a portion of the width of said converting assembly to perform the transverse conversion functions on the sheet material, the cutting wheel or the creasing wheel of the crosshead being selectively movable between a raised position and a lowered position, the cutting wheel or the creasing wheel of the crosshead only performing the transverse conversion functions on the sheet material when in the lowered position. 24. The converting machine of claim 23, further comprising a converting roller movable between a raised position and a lowered position. 25. The converting machine of claim 24, wherein, when the converting roller is in the raised position, the converting roller supports the sheet material while the longhead performs the longitudinal conversion functions on the sheet material. 26. The converting machine of claim 24, wherein the at least one of a cutting wheel or a creasing wheel of the longhead comprises a cutting wheel, and wherein the cutting wheel of the longhead penetrates into the converting roller when the converting roller is in the raised position. 27. The converting machine of claim 26, wherein movement of the converting roller from the raised position to the lowered position disengages the converting roller from the cutting wheel of the longhead and enables the longhead to be selectively moved relative to the sheet material and along at least a portion of the width of said converting assembly. 28. The converting machine of claim 24, wherein the converting roller is moved to the raised position by rotation of the converting roller in a first direction and moved to the lowered position by rotation of the converting roller in a second direction, the second direction being opposite to the first direction.
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