Positioning and slitting device for paper bag production

By introducing a transmission structure and dust collection system into the positioning and slitting device for paper bag production, the problems of complex slitting knife adjustment and difficult dust cleaning are solved, achieving improvements in safety and cleanliness.

CN223420210UActive Publication Date: 2025-10-10CANGZHOU BEIWANG PAPER & PLASTIC PACKAGING CO LTD
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Patent Information

Application Number
CN202422802320.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-10-10
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The existing positioning and slitting device for paper bag production has complicated adjustment operations for the slitting knife, posing a safety hazard, and lacks a dust collection function, making dust difficult to clean.

Method used

A movable knife holder with a transmission structure is designed. The equal spacing adjustment of the slitting knife is achieved through the adjustment button and the bevel gear transmission system. It is also equipped with a dust collection structure to centrally collect dust, and the dust is sucked into the dust collection box using an exhaust fan and a filtration system.

Benefits of technology

It realizes quick adjustment of the slitting knife and effective collection of dust, improving operational safety and cleaning convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of paper bag production, in particular to a positioning and slitting device for paper bag production, which comprises a support frame, a slitting roller arranged at the upper end of the support frame, a fixed blade arranged on the outer side of the slitting roller, movable blades arranged on the front side and the rear side of the fixed blade, and a movable groove arranged on the surface of the slitting roller. A moving seat is arranged on the inner side of the moving groove, an adjusting button is arranged on the front side of the upper end of the slitting roller, a bidirectional lead screw is arranged in the slitting roller, supporting assemblies are arranged on the left side and the right side of the slitting roller, an unwinding roller is arranged on the right side of the upper end of the supporting frame, and a winding roller is arranged on the left side of the upper end of the supporting frame. Dust generated by cutting is driven to enter the dust collection box from the dust collection opening through work of the exhaust fan, the dust is concentrated in the dust collection drawer after being filtered by the filter sponge and the filter screen, the bidirectional lead screw is driven to rotate by rotating the adjusting knob, and therefore the two moving seats are driven to slide oppositely along the moving grooves, and the dust collection effect is achieved. Equal-distance adjustment of the two movable blades is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to paper bag production technical field especially relates to a positioning cutting device for paper bag production. BACKGROUND

[0002] Paper packaging bag is one of indispensable articles in modern people's life, it not only plays the role of wrapping articles, is more favorable to environmental protection and economy, and paper bag needs to pass cutting, folding and bonding etc. Process in production and processing process, and relates to the use of positioning cutting device.

[0003] For example patent number CN220500111U discloses a positioning cutting device for paper bag production line, which can adjust the width of cutting paper according to the width of the paper bag to be produced, is convenient to use, has low limitation and high practicability, including bottom plate and unwinding device, the unwinding device is installed on the bottom plate, and the unwinding device has unwinding function, still including roller, multiple cutting knives, drive device, guide device, multiple locking devices and winding device, the roller is installed on the bottom plate through the drive device, and the drive device is used to rotate the roller, multiple cutting knives are all slidingly installed on the roller, multiple locking devices are used to lock the position of multiple cutting knives on the roller, the guide device is used to guide the movement direction of paper, and the winding device is installed on the bottom plate, and the winding device is used to wind paper, the positioning cutting device for paper bag production in the patent is more complex when adjusting the cutting knife, and when disassembling the bolt, is easy to contact the cutting edge, there is certain safety hazard, and simultaneously lacks the collection function of dust, so that the dust generated by cutting is easy to float in the air or adhere to the surface of the device and paper, and is difficult to clean.

[0004] Therefore, aiming at the problems that the adjustment operation of the cutting knife of the positioning cutting device for paper bag production is complex, there is certain safety hazard, and the collection function of dust is lacked, so that the dust is difficult to clean, a positioning cutting device for paper bag production can be designed, the moving knife seat with transmission structure is set up, the uniform change of the spacing of the knife seat is facilitated, the equal-interval adjustment and positioning of the position of the cutting knife are carried out, and the dust collection structure is set up, so that the dust is conveniently collected. SUMMARY

[0005] In order to overcome the problems that the adjustment operation of the cutting knife of the positioning cutting device for paper bag production is complex, there is certain safety hazard, and the collection function of dust is lacked, so that the dust is difficult to clean.

[0006] The technical solution of the utility model is: a positioning and slitting device for paper bag production, comprising a support frame, a slitting roller is provided at the upper end of the support frame, a fixed blade is provided on the outer side of the slitting roller, movable blades are provided on the front and rear sides of the fixed blade, a movable groove is provided on the surface of the slitting roller, a movable seat is provided on the inner side of the movable groove, an adjusting button is provided on the front side of the upper end of the slitting roller, a bidirectional lead screw is provided inside the slitting roller, support components are provided on the left and right sides of the slitting roller, an unwinding roller is provided on the right side of the upper end of the support frame, a winding roller is provided on the left side of the upper end of the support frame, a dust collection box is provided at the lower end of the slitting roller, a dust collection drawer is provided on the inner side of the dust collection box, and an exhaust fan is connected to the left side of the dust collection box.

[0007] Preferably, a motor 1 is fixedly mounted on the front side of the support frame, the output end of the motor 1 is fixedly connected to the front end of the slitting roller, the rear end of the slitting roller is rotatably connected to the support frame, and the fixed blade and the outer side of the slitting roller are detachably connected.

[0008] Preferably, two movable blades, movable grooves and movable seats are symmetrically arranged in front and back, the outer sides of the movable blades and the movable seat are detachably connected, the movable grooves and the movable seat are both cross-shaped in structure design, and the inner sides of the movable seat and the movable groove are slidably connected.

[0009] Preferably, the lower end of the adjusting button is rotatably connected to the surface of the slitting roller, and extends to the interior of the slitting roller where a bevel gear 1 is fixedly installed. The bidirectional lead screw is rotatably connected to the inner wall of the movable groove, and the movable seat is threadedly connected to the surface of the bidirectional lead screw. The front end of the bidirectional lead screw extends to the interior of the slitting roller and is connected to the bevel gear 1 through the bevel gear 2.

[0010] Preferably, the support assembly includes a support roller, the front and rear ends of the support roller are rotatably connected to the support frame, a pressure roller is arranged parallel to the upper end of the support roller, the front and rear ends of the pressure roller are rotatably connected to a pressure block, the inner side of the pressure block is slidingly sleeved with a guide column, the lower end of the guide column is fixedly connected to the support frame, the outer side of the guide column is sleeved with a spring, the upper end of the spring is fixedly connected to the guide column through a limit plate, and the lower end of the spring is fixedly connected to the upper end of the pressure block.

[0011] Preferably, the front and rear ends of the unwinding roller are rotatably connected to the support frame, a motor 2 is fixedly installed on the front side of the support frame, the output end of the motor 2 is fixedly connected to the front end of the winding roller, and the rear end of the winding roller is rotatably connected to the support frame.

[0012] Preferably, a dust suction port is provided at the upper end of the dust box, the dust drawer and the inner side of the dust box are slidably connected, the front side of the dust drawer and the dust box are sealed by a sealing cover, a filter is fixedly installed at the lower end of the dust drawer, and a filter sponge is provided on the inner side of the dust drawer.

[0013] Beneficial effects of the utility model:

[0014] The positioning slitting device for paper bag production drives the dust generated by slitting into the dust collection box from the dust suction port through the exhaust fan. After being filtered by the filter sponge and the filter screen, the dust is concentrated in the dust collection drawer. The sealing cover can be pulled to drive the dust collection drawer to be taken out for cleaning. When the slitting width needs to be adjusted, the adjustment knob is turned to drive the bevel gear 1 to rotate, and the bevel gear 2 drives the bidirectional lead screw to rotate, thereby driving the two moving seats to slide toward each other along the moving groove, so that the equal spacing adjustment of the two moving blades can be achieved conveniently and quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The figure shows the three-dimensional structure of the positioning and cutting device for paper bag production of the utility model. Figure One ;

[0016] Figure 2 The figure shows the three-dimensional structure of the positioning and cutting device for paper bag production of the utility model. Figure Two ;

[0017] Figure 3 The figure shows the cross-sectional three-dimensional structure of the positioning and cutting device for paper bag production of the utility model. Figure One ;

[0018] Figure 4 The figure shows the cross-sectional three-dimensional structure of the positioning and cutting device for paper bag production of the utility model. Figure Two .

[0019] Explanation of the accompanying symbols: 1. Support frame; 2. Slitting roller; 21. Motor 1; 3. Fixed blade; 4. Moving blade; 5. Moving slot; 6. Moving seat; 7. Adjusting button; 71. Bevel gear 1; 8. Bidirectional screw; 81. Bevel gear 2; 91. Support roller; 92. Pressure roller; 93. Pressure block; 94. Guide column; 95. Spring; 10. Unwinding roller; 11. Rewinding roller; 111. Motor 2; 12. Dust box; 121. Dust suction port; 13. Dust drawer; 131. Sealing cover; 132. Filter; 133. Filter sponge; 14. Exhaust fan. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] See also Figures 1-4The utility model provides an embodiment: a positioning and slitting device for paper bag production, including a support frame 1, a slitting roller 2 is provided at the upper end of the support frame 1, a fixed blade 3 is provided on the outside of the slitting roller 2, and movable blades 4 are provided on the front and rear sides of the fixed blade 3, a movable groove 5 is provided on the surface of the slitting roller 2, and a movable seat 6 is provided on the inner side of the movable groove 5, an adjusting button 7 is provided on the front side of the upper end of the slitting roller 2, a bidirectional lead screw 8 is provided inside the slitting roller 2, and support components are provided on the left and right sides of the slitting roller 2, a unwinding roller 10 is provided on the right side of the upper end of the support frame 1, a winding roller 11 is provided on the left side of the upper end of the support frame 1, a dust box 12 is provided at the lower end of the slitting roller 2, a dust collection drawer 13 is provided on the inner side of the dust collection box 12, and an exhaust fan 14 is connected to the left side of the dust collection box 12.

[0022] See also Figures 1-4 In this embodiment, a motor 21 is fixedly installed on the front side of the support frame 1, the output end of the motor 21 is fixedly connected to the front end of the slitting roller 2, the rear end of the slitting roller 2 is rotatably connected to the support frame 1, the fixed blade 3 is detachably connected to the outer side of the slitting roller 2, the movable blade 4, the movable groove 5, and the movable seat 6 are all symmetrically arranged in two in front and back directions, the movable blade 4 is detachably connected to the outer side of the movable seat 6, the movable groove 5 and the movable seat 6 are both cross-shaped structural designs, the movable seat 6 is slidably connected to the inner side of the movable groove 5, and the lower end of the adjusting button 7 is rotatably connected to the surface of the slitting roller 2 The two movable seats 6 are connected to the inner wall of the movable groove 5, and the surface of the movable seat 6 and the two-way screw 8 are threadedly connected. The front end of the two-way screw 8 extends to the interior of the slitting roller 2, and is connected to the bevel gear 1 71 through the bevel gear 2 81. When the slitting width needs to be adjusted, the bevel gear 1 71 is rotated by rotating the adjusting knob 7, and the bevel gear 2 81 drives the two-way screw 8 to rotate, thereby driving the two movable seats 6 to slide toward each other along the movable groove 5, thereby realizing the equal spacing adjustment of the two movable blades 4.

[0023] See also Figures 1-3In this embodiment, the support assembly includes a support roller 91, the front and rear ends of the support roller 91 are rotatably connected to the support frame 1, the upper end of the support roller 91 is provided with a pressure roller 92 in parallel, the front and rear ends of the pressure roller 92 are rotatably connected to a pressure block 93, the inner side of the pressure block 93 is slidably sleeved with a guide column 94, the lower end of the guide column 94 is fixedly connected to the support frame 1, the outer side of the guide column 94 is sleeved with a spring 95, the upper end of the spring 95 is fixedly connected to the guide column 94 through a limit plate, the lower end of the spring 95 is fixedly connected to the upper end of the pressure block 93, the front and rear ends of the unwinding roller 10 are rotatably connected to the support frame 1, and the front side of the support frame 1 is fixedly installed with a motor 11 1. The output end of the motor 2 111 is fixedly connected to the front end of the winding roller 11, and the rear end of the winding roller 11 is rotatably connected to the support frame 1. The paper roll to be cut is installed on the outside of the unwinding roller 10, and then the end of the paper roll is passed through the right support roller 91 and the pressure roller 92, under the slitting roller 2, and between the left support roller 91 and the pressure roller 92, and fixed to the winding roller 11. Through the operation of the motor 1 21 and the motor 2 111, the winding roller 11 drives the paper roll to be continuously transported to the left. The pressure roller 92 and the support roller 91 cooperate to improve the stability of paper transportation. At the same time, the slitting roller 2 drives the fixed blade 3 and the movable blade 4 to rotate to cut the paper roll.

[0024] See also Figures 2-4 In this embodiment, a dust suction port 121 is provided at the upper end of the dust box 12, the dust drawer 13 and the inner side of the dust box 12 are slidably connected, the front side of the dust drawer 13 and the dust box 12 are sealed by a sealing cover 131, and a filter screen 132 is fixedly installed at the lower end of the dust drawer 13, and a filter sponge 133 is provided on the inner side of the dust drawer 13. The dust generated by the cutting is driven by the operation of the exhaust fan 14 to enter the dust box 12 from the dust suction port 121, and after being filtered by the filter sponge 133 and the filter screen 132, the dust is concentrated in the dust drawer 13, and the sealing cover 131 can be pulled later to drive the dust drawer 13 to be taken out for cleaning.

[0025] During operation, the paper roll to be cut is installed on the outside of the unwinding roller 10, and the end of the paper roll is passed through the right support roller 91 and the pressure roller 92, the bottom of the slitting roller 2, and the left support roller 91 and the pressure roller 92, and is fixed to the winding roller 11. The motor 1 21 and the motor 2 111 work to make the winding roller 11 drive the paper roll to be continuously transported to the left. The pressure roller 92 and the support roller 91 cooperate to improve the stability of paper transportation. At the same time, the slitting roller 2 drives the fixed blade 3 and the movable blade 4 to rotate to cut the paper roll. The exhaust fan 14 drives the dust generated by cutting into the dust collection box 12 from the dust suction port 121. After being filtered by the filter sponge 133 and the filter screen 132, the dust is concentrated in the dust collection drawer 13. The sealing cover 131 can be pulled later to drive the dust collection drawer 13 to be taken out for cleaning. When the cutting width needs to be adjusted, the bevel gear 1 71 is driven to rotate by turning the adjusting knob 7, and the bevel gear 2 81 drives the bidirectional screw 8 to rotate, thereby driving the two moving seats 6 to slide toward each other along the moving groove 5, so as to realize the equal spacing adjustment of the two moving blades 4.

[0026] Through the above steps, the exhaust fan 14 drives the dust from the dust suction port 121 into the dust collection box 12, and after being filtered by the filter sponge 133 and the filter screen 132, the dust is concentrated in the dust collection drawer 13. By turning the adjustment knob 7, the two-way screw 8 is driven to rotate, thereby driving the two movable seats 6 to slide toward each other along the movable groove 5, and realizing equal spacing adjustment of the two movable blades 4, so as to solve the problem that the adjustment operation of the slitting knife of the positioning and slitting device for paper bag production is relatively complicated and there are certain safety hazards. At the same time, there is a lack of dust collection function, which makes the dust difficult to clean.

Claims

1. A positioning and cutting device for paper bag production, comprising a support frame (1), characterized in that: A slitting roller (2) is provided at the upper end of the support frame (1), a fixed blade (3) is provided on the outer side of the slitting roller (2), and movable blades (4) are provided on the front and rear sides of the fixed blade (3). A movable groove (5) is provided on the surface of the slitting roller (2), and a movable seat (6) is provided on the inner side of the movable groove (5). An adjusting button (7) is provided on the front side of the upper end of the slitting roller (2), a bidirectional screw (8) is provided inside the slitting roller (2), and support components are provided on the left and right sides of the slitting roller (2). A reeling roller (10) is provided on the right side of the upper end of the support frame (1), and a reeling roller (11) is provided on the left side of the upper end of the support frame (1). A dust collecting box (12) is provided at the lower end of the slitting roller (2), a dust collecting drawer (13) is provided on the inner side of the dust collecting box (12), and an exhaust fan (14) is connected to the left side of the dust collecting box (12).

2. A positioning and slitting device for paper bag production according to claim 1, characterized in that: A motor 1 (21) is fixedly mounted on the front side of the support frame (1); the output end of the motor 1 (21) is fixedly connected to the front end of the slitting roller (2); the rear end of the slitting roller (2) is rotatably connected to the support frame (1); and the fixed blade (3) is detachably connected to the outer side of the slitting roller (2).

3. The positioning and slitting device for paper bag production according to claim 1, characterized in that: The movable blade (4), the movable groove (5) and the movable seat (6) are all symmetrically arranged in two in front and back directions. The outer sides of the movable blade (4) and the movable seat (6) are detachably connected. The movable groove (5) and the movable seat (6) are both cross-shaped in structure design. The inner sides of the movable seat (6) and the movable groove (5) are slidably connected.

4. The positioning and slitting device for paper bag production according to claim 1, characterized in that: The lower end of the regulating knob (7) is rotatably connected to the surface of the slitting roller (2) and extends to the interior of the slitting roller (2) to be fixedly installed with a bevel gear 1 (71). The bidirectional lead screw (8) is rotatably connected to the inner wall of the movable groove (5). The movable seat (6) is threadedly connected to the surface of the bidirectional lead screw (8). The front end of the bidirectional lead screw (8) extends to the interior of the slitting roller (2) and is transmission-connected to the bevel gear 1 (71) via the bevel gear 2 (81).

5. The positioning and slitting device for paper bag production according to claim 1, characterized in that: The support assembly comprises a support roller (91), the front and rear ends of the support roller (91) are rotatably connected to the support frame (1), the upper end of the support roller (91) is provided with a pressure roller (92) in parallel, the front and rear ends of the pressure roller (92) are rotatably connected to a pressure block (93), the inner side of the pressure block (93) is slidably sleeved with a guide column (94), the lower end of the guide column (94) is fixedly connected to the support frame (1), the outer side of the guide column (94) is sleeved with a spring (95), the upper end of the spring (95) is fixedly connected to the guide column (94) through a limit plate, and the lower end of the spring (95) is fixedly connected to the upper end of the pressure block (93).

6. The positioning and slitting device for paper bag production according to claim 1, characterized in that: The front and rear ends of the unwinding roller (10) are rotatably connected to the support frame (1); a second motor (111) is fixedly installed on the front side of the support frame (1); the output end of the second motor (111) is fixedly connected to the front end of the winding roller (11); and the rear end of the winding roller (11) is rotatably connected to the support frame (1).

7. The positioning and slitting device for paper bag production according to claim 1, characterized in that: The upper end of the dust collecting box (12) is provided with a dust suction port (121), the dust collecting drawer (13) and the inner side of the dust collecting box (12) are slidably connected, the front side of the dust collecting drawer (13) and the dust collecting box (12) are sealed by a sealing cover (131), the lower end of the dust collecting drawer (13) is fixedly installed with a filter screen (132), and the inner side of the dust collecting drawer (13) is provided with a filter sponge (133).

Citation Information

Patent Citations

  • Positioning and slitting device for paper bag production line

    CN220500111U