Efficient slitting device for co-extrusion film production

By designing snap-fit ​​and moving components, the problems of cumbersome blade disassembly and complex electrical structure in the slitting device for co-extruded film production are solved, enabling convenient blade installation and efficient cutting, improving slitting efficiency and reducing production costs.

CN223558507UActive Publication Date: 2025-11-18LUOHE LIANBANG CHEM CO LTD
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Patent Information

Application Number
CN202423150185.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-11-18
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing slitting devices for co-extruded film production have problems such as complicated structure and increased production costs during the disassembly of the cutter. In addition, the cutter cannot be effectively disassembled after the servo motor is powered off.

Method used

The design employs a snap-fit ​​assembly, utilizing snap-fit ​​blocks, snap-fit ​​connectors, and springs to enable quick installation and removal of the cutter. Cutting efficiency is improved through the moving and feeding assemblies, and the efficient movement and cutting of the co-extruded film is achieved by using a motor-driven transmission belt and transmission gear system.

Benefits of technology

It enables convenient assembly and disassembly of the cutter, improves slitting efficiency, ensures the stability of the device and the cutting quality, and reduces the complexity of the electrical structure and production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an efficient slitting device for co-extrusion film production, which relates to the field of co-extrusion film production and comprises a plate surface, a support is fixedly connected to the upper end of the plate surface, an electric push rod is fixedly connected to the upper end of the support, and the other end of the electric push rod penetrates through the support and is fixedly connected with a clamping assembly. The other end of the clamping assembly is fixedly connected with a cutter, and moving assemblies are fixedly connected to the two sides of the support at the upper end of the plate face. By the adoption of the structure, the clamping block is inserted into the clamping frame, the clamping head is extruded to enter the circular groove during insertion, then after the clamping block completely enters the clamping frame, the position of the clamping hole is consistent with the position of the circular groove, and at the moment, the clamping head can pop out of the circular groove under the action of the spring; and the clamping heads and the clamping holes are clamped, so that the clamping effect can be achieved, and the cutter can be mounted.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of co-extrusion film production, and particularly relates to an efficient slitting device for co-extrusion film production. BACKGROUND

[0002] In the processing of the film, one raw material is extruded onto another film that has been made or different kinds of films that have been made are bonded together to become a multi-layer film. Such a product is called a composite film. Compared with the composite film, the co-extrusion film has most of the characteristics of the composite film. However, all the layers of the co-extrusion film are extruded together at the same time, so there is no aluminum foil, paper or other non-plastic materials. The combination of the product materials is relatively less, and the application range is also smaller. However, since the co-extrusion film is bonded by heat melting without the need for an adhesive, the health and safety of the food packaging co-extrusion film are relatively reliable. Therefore, the co-extrusion film is commonly used in pure milk bags, express bags and metal protective films.

[0003] A co-extrusion film production slitting device is disclosed in Chinese Patent No. CN217703639U. The device includes a support plate, a fixing assembly and a slitting device. The slitting device is arranged on the support plate, and the fixing assembly is arranged on the support plate near the slitting device. The slitting device includes a support frame, a lifting cylinder, a mounting plate, a cutter, an operation table and a detachable fixing assembly. The operation table is arranged on the support plate, the support frame is arranged on the operation table, the lifting cylinder is arranged below the top wall of the support frame, the mounting plate is arranged below the lifting cylinder, the cutter is arranged on the mounting plate, and the detachable fixing assembly is arranged at the connection between the cutter and the mounting plate. The utility model belongs to the technical field of co-extrusion film processing, and specifically relates to a co-extrusion film production slitting device that facilitates the replacement of the cutter and improves the slitting efficiency.

[0004] Through the above structure, the servo motor drives the gear to rotate, the gear drives the rack and the clamping plate to move, the clamping plate drives the connecting sliding block to slide on the slide rod, the clamping plate is moved into the clamping groove to clamp the cutter, the cutter is fixed, the servo motor is reversely rotated to move the clamping plate out of the clamping groove, the fixation of the cutter is released, the cutter is removed, and the cutter can be disassembled through the above structure. However, the above structure is complicated and increases the production cost of the device due to the increase of the electrical structure. After the servo motor is powered off, the cutter cannot be effectively disassembled. SUMMARY

[0005] In view of the problems mentioned in the background art, the utility model aims to provide an efficient slitting device for co-extrusion film production to solve the problems mentioned in the background art.

[0006] The above technical purpose of the utility model is achieved by the following technical scheme:

[0007] A high-efficiency slitting device for co-extruded film production includes a plate, a bracket fixedly connected to the upper end of the plate, an electric push rod fixedly connected to the upper end of the bracket, a snap-fit ​​assembly fixedly connected to the other end of the electric push rod through the bracket, a cutter fixedly connected to the other end of the snap-fit ​​assembly, movable assemblies fixedly connected to both sides of the bracket at the upper end of the plate, a feeding assembly fixedly connected to one side of the movable assemblies at the upper end of the plate, the snap-fit ​​assembly including a snap-fit ​​frame disposed at the other end of the electric push rod, a snap-fit ​​block fixedly connected to one end of the cutter, circular grooves formed on both sides of the snap-fit ​​block, a spring fixedly connected inside the circular groove, a snap-fit ​​connector fixedly connected to the other end of the spring, and snap-fit ​​holes formed on both sides of the snap-fit ​​frame, the snap-fit ​​holes and snap-fit ​​connectors engaging with each other.

[0008] As a preferred technical solution, the moving component includes support plates disposed on both sides of the upper end of the plate, and multiple shafts are disposed on the inner side of each support plate. A transmission belt is sleeved on the outer surface of each shaft, and the transmission belts are movably connected to each other.

[0009] As a preferred technical solution, the other end of the shaft on one side of the support plate is fixedly connected to a transmission wheel through the support plate. The outer sides of the transmission wheels are connected to each other by belts. A motor is fixedly connected to the outer side of the support plate, and the output shaft of the motor is fixedly connected to the transmission wheel.

[0010] As a preferred technical solution, a support leg is fixedly connected to the lower end of the plate, and a groove is provided at the lower end of the support leg. An electric push rod is fixedly connected inside the groove, and a universal wheel is fixedly connected to the other end of the electric push rod. The universal wheel and the groove slide and insert into each other.

[0011] As a preferred technical solution, rubber pads are fixedly connected to both sides of the snap-fit ​​frame, the rubber pads cover the snap-fit ​​holes, and the inner side of the rubber pads is movably connected to the snap-fit ​​connector.

[0012] As a preferred technical solution, the two sides of the snap-fit ​​frame are slidably connected to the inner side of the bracket, and the two sides of the snap-fit ​​frame are fixedly connected to limit sliders. The inner side of the bracket is provided with limit grooves, and the limit sliders and limit grooves are slidably connected to each other.

[0013] As a preferred technical solution, the feeding assembly includes a feeding plate disposed on the upper part of the plate surface, a support rod fixedly connected to one side of the feeding plate, and a feeding roller sleeved on the outer side of the support rod.

[0014] As a preferred technical solution, the other end of the shaft on the other side of the support plate is fixedly connected to a transmission gear through the support plate, and the transmission gears are meshed with each other.

[0015] As a preferred technical scheme, an outer surface of the support rod is provided with an external thread, and an outer surface of the external thread is provided with a fixing nut.

[0016] To sum up, the utility model mainly has the following beneficial effects:

[0017] Firstly, the clamping assembly is provided, when the cutter is installed, the clamping block is inserted into the inside of the clamping frame, the clamping head is extruded into the inside of the circular groove during the insertion, then the position of the clamping hole is consistent with the position of the circular groove after the clamping block is completely inserted into the inside of the clamping frame, at this time, the clamping head is popped out of the circular groove under the action of the spring, so that the clamping head is clamped with the clamping hole, thereby achieving the clamping effect, and the cutter can be installed, and when disassembled, the rubber pad is pressed, the clamping head is inserted into the inside of the circular groove, the clamping head is separated from the clamping hole, and the stirring rod can be disassembled.

[0018] Secondly, the moving assembly is provided, when used, the feeding roller is sleeved with the feeding assembly, then one end of the co-extrusion film is laid on the surface of the transmission belt, then the motor is controlled to drive the transmission wheel to drive, under the rotation of the transmission wheel, the transmission belt moves, and under the movement of the transmission belt, the upper end of the transmission belt is reversely rotated under the action of the transmission gear, thereby the upper and lower ends of the transmission belt can extrude and move the co-extrusion film, so that the co-extrusion film can be cut by the cutter controlled by the electric push rod after being moved to a suitable position, and the moving assembly is provided, so that the cutting efficiency is higher and the co-extrusion film does not need to be placed again after cutting. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the utility model;

[0020] Figure 2 is a top view structural schematic view of the utility model;

[0021] Figure 3 is a bottom view structural schematic view of the utility model;

[0022] Figure 4 is a structural schematic view of the clamping assembly of the utility model.

[0023] Label: 1, board; 2, support; 3, electric push rod; 4, clamping assembly; 41, clamping frame; 42, clamping block; 43, clamping hole; 44, round groove; 45, spring; 46, clamping head; 5, cutter; 6, moving assembly; 61, support plate; 62, shaft; 63, transmission belt; 64, transmission wheel; 65, belt; 66, motor; 67, transmission gear; 7, feeding assembly; 71, feeding plate; 72, support rod; 73, external thread; 74, fixed nut; 75, feeding roller; 8, leg; 9, groove; 10, electric push rod; 11, universal wheel; 12, rubber pad; 13, limiting sliding groove; 14, limiting sliding block. DETAILED DESCRIPTION

[0024] EMBODIMENT

[0025] Reference Figures 1 to 4 The high-efficiency slitting device for co-extrusion film production of the embodiment comprises a board 1, the upper end of the board 1 is fixedly connected with a support 2, the upper end of the support 2 is fixedly connected with an electric push rod 3, the other end of the electric push rod 3 is fixedly connected with a clamping assembly 4 penetrating through the support 2, the other end of the clamping assembly 4 is fixedly connected with a cutter 5, the upper end of the board 1 is fixedly connected with a moving assembly 6 on both sides of the support 2, the upper end of the board 1 is fixedly connected with a feeding assembly 7 on one side of the moving assembly 6, the clamping assembly 4 comprises a clamping frame 41 arranged at the other end of the electric push rod 3, one end of the cutter 5 is fixedly connected with a clamping block 42, round grooves 44 are formed on both sides of the clamping block 42, springs 45 are fixedly connected inside the round grooves 44, the other end of the spring 45 is fixedly connected with a clamping head 46, clamping holes 43 are formed on both sides of the clamping frame 41, and the clamping holes 43 and the clamping head 46 are clamped with each other.

[0026] Reference Figures 1-3 The moving assembly 6 comprises support plates 61 arranged on both sides of the upper end of the board 1, a plurality of shafts 62 are arranged on the inner side of the support plates 61, transmission belts 63 are sleeved on the outer surfaces of the shafts 62, the transmission belts 63 are movably connected with each other, transmission wheels 64 are fixedly connected at the other end of the shafts 62 on one side of the support plates 61 penetrating through the support plates 61, the outer sides of the transmission wheels 64 are movably connected with each other through belts 65, motors 66 are fixedly connected on the outer sides of the support plates 61, the output shafts of the motors 66 are fixedly connected with the transmission wheels 64, transmission gears 67 are fixedly connected at the other end of the shafts 62 on the other side of the support plates 61 penetrating through the support plates 61, and the transmission gears 67 are movably connected with each other; one end of the co-extrusion film is laid on the surface of the transmission belt 63, then the motor 66 is controlled to drive the transmission wheel 64 to rotate, the transmission belt 63 moves under the rotation of the transmission wheel 64, the upper end of the transmission belt 63 reversely rotates under the action of the transmission gear 67 under the movement of the transmission belt 63, and the upper and lower ends of the transmission belt 63 can move the co-extrusion film.

[0027] ReferenceFigure 3 The lower end of the plate surface 1 is fixedly connected with a supporting leg 8, a groove 9 is arranged at the lower end of the supporting leg 8, an electric push rod 10 is fixedly connected inside the groove 9, a universal wheel 11 is fixedly connected to the other end of the electric push rod 10, and the universal wheel 11 is slidably inserted into the groove 9. By controlling the electric push rod 10, the universal wheel 11 is extended out of the groove 9 under the action of the electric push rod 10, so that the device can be moved through the universal wheel 11 when the universal wheel 11 is extended out of the groove 9, and the universal wheel 11 can be moved into the groove 9 when the device is fixed, so that the supporting leg 8 is in contact with the ground, thereby increasing the contact area between the device and the ground when the supporting leg 8 is in contact with the ground, thereby achieving the effect of further stability.

[0028] Reference Figure 4 The two sides of the clamping frame 41 are fixedly connected with rubber pads 12, the rubber pads 12 are wrapped around the clamping holes 43, and the inner sides of the rubber pads 12 are movably connected with the clamping heads 46. When disassembling, the rubber pads 12 are pressed, the clamping heads 46 are moved into the circular grooves 44, and the clamping heads 46 are disconnected from the clamping holes 43, so that the stirring rod can be disassembled.

[0029] Reference Figure 2 The two sides of the clamping frame 41 are movably connected with the inner sides of the supports 2, the two sides of the clamping frame 41 are fixedly connected with limiting sliding blocks 14, the inner sides of the supports 2 are provided with limiting sliding grooves 13, and the limiting sliding blocks 14 are movably connected with the limiting sliding grooves 13. The limiting sliding blocks 14 and the limiting sliding grooves 13 can limit the cutter 5 during use, so that the cutter 5 moves up and down to cut the co-extruded film more stably, thereby improving the cutting quality of the co-extruded film.

[0030] Reference Figure 1 And Figure 2 The feeding assembly 7 comprises a feeding plate 71 arranged at the upper end of the plate surface 1, a supporting rod 72 fixedly connected to one side of the feeding plate 71, external threads 73 arranged on the outer surface of the supporting rod 72, a fixed nut 74 arranged on the outer surface of the external threads 73, and a feeding roller 75 sleeved on the outer side of the supporting rod 72. The fixed nut 74 is unscrewed, the feeding roller 75 is sleeved on the inside of the supporting rod 72, and then the fixed nut 74 is threadedly connected with the external threads 73, so that the feeding roller 75 can be limited, and the feeding roller 75 is prevented from sliding too much on the surface of the supporting rod 72, thereby preventing the co-extruded film from being displaced when moving.

[0031] Use principle and advantage: first through the device is moved to the appropriate position, through the control of electric push rod 10, under the action of electric push rod 10 makes the universal wheel 11 extend groove 9, so that the universal wheel 11 extend groove 9 when it can be moved through the universal wheel 11, after moving through the universal wheel 11 is moved to the inside of the groove 9, so that the supporting leg 8 and ground contact, so that the supporting leg 8 and ground contact can increase the contact area of the device and ground, so as to achieve the effect of further stability, then by unscrewing the fixed nut 74, then by putting the material roll 75 is sleeved in the inside of the supporting rod 72, then in through the fixed nut 74 and external thread 73 is screwed, so that the material roll 75 can limit effect, avoid material roll 75 in the surface of the supporting rod 72 slip too big range leads to the situation of moving the coextrusion film displacement, after the sleeve is completed, one end of the coextrusion film is laid on the surface of the transmission belt 63, then through the control of motor 66 start drive transmission wheel 64 transmission, and under the rotation of transmission wheel 64 makes the transmission belt 63 moves, and under the movement of transmission belt 63 in the action of transmission gear 67 makes the upper end of transmission belt 63 reverse rotation, in turn makes the upper and lower transmission belt 63 can extrude the coextrusion film movement effect, so as to make the coextrusion film moves to the appropriate position can through the control of electric push rod 3 telescopic cutter 5 to the coextrusion film cutting effect, and through the setting of clamping assembly 4 can be flexible disassembly effect of cutter 5.

Claims

1. A high efficiency slitting device for co-extruded film production, characterized by: The utility model provides a cutting device for cutting board, including the board face (1), the upper end of board face (1) is fixedly connected with support (2), the upper end of support (2) is fixedly connected with electric push rod (3), the other end of electric push rod (3) is fixedly connected with the clamping assembly (4) through support (2), the other end of clamping assembly (4) is fixedly connected with cutting knife (5), the upper end of board face (1) is fixedly connected with mobile assembly (6) on both sides of support (2), the upper end of board face (1) is fixedly connected with the material discharging subassembly (7) on one side of mobile assembly (6), the clamping assembly (4) includes the clamping frame (41) of setting in the other end of electric push rod (3), one end of cutting knife (5) is fixedly connected with the clamping block (42), both sides of clamping block (42) are all set up with round groove (44), the inside of round groove (44) is fixedly connected with spring (45), the other end of spring (45) is fixedly connected with the clamping head (46), both sides of clamping frame (41) are all set up with clamping hole (43), and clamping hole (43) and clamping head (46) are mutually clamped.

2. The high efficiency slitting device for co-extruded film production according to claim 1, characterized in that: The mobile assembly (6) includes a support plate (61) disposed on both sides of the upper end of the board (1), the inner side of the support plate (61) is provided with a plurality of shaft rods (62), the outer surface of the shaft rod (62) is sleeved with a transmission belt (63), and the transmission belts (63) are movably connected with each other.

3. The high efficiency slitting device for co-extruded film production according to claim 2, characterized in that: The other end of the shaft rod (62) on one side of the support plate (61) penetrates the support plate (61) and is fixedly connected with a transmission wheel (64), the outer side of the transmission wheel (64) is movably connected with each other through a belt (65), and the outer side of the support plate (61) is fixedly connected with a motor (66).

4. The high efficiency slitting device for co-extruded film production of claim 1, wherein: The lower end of the board (1) is fixedly connected with a support leg (8), the lower end of the support leg (8) is provided with a groove (9), the inside of the groove (9) is fixedly connected with an electric push rod (10), the other end of the electric push rod (10) is fixedly connected with a universal wheel (11), and the universal wheel (11) and the groove (9) are movably inserted.

5. The high efficiency slitting device for co-extruded film production of claim 1, wherein: The both sides of the clamping frame (41) are fixedly connected with rubber pads (12), the rubber pads (12) are wrapped around the clamping holes (43), and the inner side of the rubber pads (12) is movably connected with the clamping heads (46).

6. The high efficiency slitting device for co-extruded film production of claim 1, wherein: The both sides of the clamping frame (41) are movably connected with the inner side of the support (2), the both sides of the clamping frame (41) are fixedly connected with limit sliding blocks (14), and the inner side of the support (2) is provided with limit sliding grooves (13).

7. The high efficiency slitting device for co-extruded film production of claim 1, wherein: The material discharging subassembly (7) includes a discharging plate (71) disposed on the upper end of the board (1), one side of the discharging plate (71) is fixedly connected with a support rod (72), and the outer side of the support rod (72) is sleeved with a discharging roller (75).

Citation Information

Patent Citations

  • Slitting device for co-extrusion film production

    CN217703639U