Automatic plastic packaging bag slitting equipment
By designing an automatic plastic packaging bag cutting device, the automatic guidance and cutting of plastic bags is achieved by using components such as sliding tracks and traction rollers. This solves the problem of low efficiency caused by manual control in the existing technology, and improves cutting efficiency and ease of operation.
Patent Information
- Application Number
- CN202520481911.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing plastic packaging bag cutting devices are not convenient for guiding rolls of plastic bags, resulting in the need for manual control of the cutting process and low efficiency.
An automatic plastic packaging bag cutting device was designed, which uses components such as sliding rails, sliding seats, traction rollers and cutter discs to realize the automatic guidance and cutting of plastic bags. Through the cooperation of transmission gears and motors, the automatic cutting process is realized.
It improves the efficiency and ease of operation of plastic bag cutting, simplifies the material feeding process, and improves the overall cutting efficiency.
Smart Images

Figure CN223877642U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plastic bag production technical field, especially in an automatic cutting plastic packaging bag equipment. BACKGROUND
[0002] Plastic packaging bag is a kind of plastic raw material, for producing the packaging bag of various articles in life, widely used in daily life and industrial production, commonly used plastic packaging bag is made of polyethylene film, the film is non-toxic, so it can be used to hold food, the production of plastic packaging bag generally passes through the steps such as material selection, printing, compounding, heat sealing, slitting, and the slitting is the slitting of the whole plastic packaging bag formed by heat sealing into independent plastic packaging bag.
[0003] The existing plastic packaging bag slitting device is generally inconvenient to guide the plastic bag in roll, so that the moving direction and position of the packaging bag need to be manually controlled during the slitting process, resulting in low efficiency of the plastic packaging bag slitting process, in order to solve the problems in the background art, an automatic plastic packaging bag slitting device is provided. UTILITY MODEL CONTENTS
[0004] The main purpose of the utility model is to provide an automatic plastic packaging bag slitting device, which can effectively solve the problems in the background art.
[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:
[0006] An automatic plastic packaging bag slitting device, comprising a base, a pay-off roller is arranged on the upper side of one side of the base, sliding rails are arranged on the upper ends of the front and rear sides of the base, sliding seats are arranged in the middle of the two groups of sliding rails, moving frames are arranged on the upper ends of the two groups of sliding seats, transmission boxes are arranged on the inner side walls of the two groups of moving frames, two groups of traction rollers are arranged between the side walls of the two groups of transmission boxes, transmission gears are arranged in the interiors of the two groups of traction rollers on the front side ends, the two groups of transmission gears are mutually engaged, a second motor is arranged on the outer wall of the front moving frame, the second motor is connected with a group of transmission gears, a connecting frame is arranged between the rear side walls of the two groups of sliding seats, a mounting seat is arranged on the side wall of the base, a first air cylinder is arranged in the middle of the mounting seat, the end of the first air cylinder is connected with the connecting frame, a discharge chute is arranged in the middle of the base between the two groups of sliding rails, a slitting platform is further arranged on the upper end of the base between the two groups of sliding rails, and a cutter head is arranged above the slitting platform.
[0007] Preferably, the front and rear sides of the base are provided with mounting blocks, the upper ends of the two groups of mounting blocks are provided with mounting racks, the middle of the two groups of mounting racks is provided with lifting blocks, a group of lifting track plates is arranged between the side walls of the two groups of lifting blocks, sliding blocks are arranged in the middle of the side walls of the lifting track plates, a screw rod is arranged in the middle of the sliding blocks and the middle of the lifting track plates, the outer wall of a group of lifting blocks is provided with a No.
[0008] Preferably, the sliding seat is in sliding connection with the sliding track, the end of the traction roller is provided with a rotating interface with the transmission box, the traction roller is in rotating connection with the transmission box through the rotating interface, the transmission gear is provided with a rotating interface with the inner wall of the transmission box, the transmission gear is in rotating connection with the inner wall of the transmission box through the rotating interface, and the length of the connecting frame is longer than the length of the slitting platform.
[0009] Preferably, the outer walls of the two groups of traction rollers are in contact with each other, the outer walls of the traction rollers are wrapped with rubber material, and the height of the lower traction roller is higher than the height of the slitting platform.
[0010] Preferably, the side walls of the lifting blocks are provided with sliding grooves with the inner walls of the mounting racks, the side walls of the lifting blocks are in sliding connection with the inner walls of the mounting racks through the sliding grooves, the lifting track plates are in sliding connection with the mounting racks through the lifting blocks, and the sliding blocks are in sliding connection with the inner walls of the lifting track plates.
[0011] Preferably, the screw rod is provided with a threaded hole with the sliding block, the screw rod is in threaded connection with the sliding block through the threaded hole, the end of the screw rod is provided with a rotating interface with the inner wall of the lifting track plate, the screw rod is in rotating connection with the inner wall of the lifting track plate through the rotating interface, the cutter head is provided with a rotating interface with the inner wall of the cutter holder, and the cutter head is in rotating connection with the cutter holder through the rotating interface.
[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0013] 1. The utility model discloses a sliding rail, sliding seat and traction roller are set up, can conveniently guide the plastic bag, and the plastic bag is dragged to the upper end of the slitting platform, then carries out slitting processing, and the process of dragging is more convenient and fast, and automation can improve the slitting efficiency of plastic bag, and the rubber material of the outer wall of the traction roller can improve the friction between the traction roller and plastic bag, more conveniently drag, and after slitting, plastic bag can be put into the inside of the downcomer and then be dragged again, and the operation of downcoming is also very simple and convenient.
[0014] 2. The utility model discloses a mounting bracket, sliding block and tool rest are set up, can make the cutter head move conveniently, make the operation of cutter head's movement more simple and convenient, and the slitting processing operation of plastic bag is also more convenient and fast, improves the efficiency of plastic bag slitting processing. ACCURACY OF DRAWINGS
[0015] Figure 1 It is the overall structure schematic diagram of the utility model,
[0016] Figure 2 It is the traction roller connecting structure dismounting schematic diagram of the utility model,
[0017] Figure 3 It is the mounting bracket structure schematic diagram of the utility model,
[0018] Figure 4 It is the cutter head connecting structure schematic diagram of the utility model.
[0019] In the drawing: 1, base, 2, fixed frame, 3, pay-off roller, 4, no. 1 motor, 5, sliding rail, 6, sliding seat, 7, moving frame, 8, traction roller, 9, connecting frame, 10, mounting seat, 11, no. 1 air cylinder, 12, slitting platform, 13, mounting block, 14, mounting bracket, 15, downcomer, 16, transmission box, 17, transmission gear, 18, no. 2 motor, 19, lifting block, 20, lifting rail board, 21, no. 3 motor, 22, fixed plate, 23, no. 2 air cylinder, 24, sliding block, 25, screw rod, 26, tool rest, 27, cutter head. DETAILED DESCRIPTION
[0020] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0021] For example, Figures 1-4As shown, the base 1 is used to support the device, the base 1 is provided with a pay-off roll 3 on one side, the outer wall of the pay-off roll 3 is wound with a plastic bag roll, which is used to pay off the plastic bag roll, the upper end of the base 1 is provided with a sliding rail 5 on both sides, the middle of the two groups of sliding rails 5 is provided with a sliding seat 6, the sliding seat 6 can slide in the middle of the sliding rail 5, the upper end of the two groups of sliding seats 6 is provided with a moving frame 7, the moving frame 7 can move through the sliding seat 6, the inner side wall of the two groups of moving frames 7 is provided with a transmission box 16, two groups of traction rollers 8 are arranged between the side walls of the two groups of transmission boxes 16, the traction rollers 8 are used to pull the plastic bag roll, the outer wall of the traction roller 8 is wrapped with rubber material, which can improve the friction, and the outer walls of the two groups of traction rollers 8 are in contact with each other, the front end of the two groups of traction rollers 8 is provided with a transmission gear 17 inside the transmission box 16, the transmission box 16 is used to install the transmission gear 17, the two groups of transmission gears 17 are engaged with each other, which can make the two groups of traction rollers 8 rotate synchronously in opposite directions, the outer wall of the front moving frame 7 is provided with a second motor 18, the second motor 18 is connected with a group of transmission gears 17, the second motor 18 drives the two groups of traction rollers 8 to rotate synchronously in opposite directions through the two groups of transmission gears 17, a connecting frame 9 is arranged between the rear side walls of the two groups of sliding seats 6, the side wall of the base 1 is provided with a mounting seat 10, a first cylinder 11 is arranged in the middle of the mounting seat 10, the mounting seat 10 is used to install the first cylinder 11, the end of the first cylinder 11 is connected with the connecting frame 9, the telescopic movement of the first cylinder 11 can drive the two groups of sliding seats 6 to move synchronously through the connecting frame 9, a discharge chute 15 is arranged between the two groups of sliding rails 5 in the middle of the base 1, the plastic bags after cutting are put into the inside of the discharge chute 15, a cutting platform 12 is further arranged between the two groups of sliding rails 5 on the upper end of the base 1, the plastic bags are cut on the upper end of the cutting platform 12, a cutter head 27 is arranged above the cutting platform 12, which is used to cut the plastic bags.
[0022] As Figures 1-4As shown, the front and rear sides of the base 1 are provided with mounting blocks 13, the upper ends of the two groups of mounting blocks 13 are provided with mounting racks 14, the mounting blocks 13 are used to install and fix the mounting racks 14, the middle of the two groups of mounting racks 14 are provided with lifting blocks 19, the sidewall of the lifting block 19 is provided with a sliding groove between the inner wall of the mounting rack 14, the lifting block 19 can slide between the inner wall of the mounting rack 14 through the sliding groove, a group of lifting track plates 20 are arranged between the sidewalls of the two groups of lifting blocks 19, the lifting track plate 20 can move up and down through the lifting block 19, the sidewall of the lifting track plate 20 is provided with a sliding block 24 in the middle, the sliding block 24 can move in the middle of the lifting track plate 20, the middle of the sliding block 24 is provided with a lead screw 25 in the middle of the lifting track plate 20, the lead screw 25 and the sliding block 24 are provided with a threaded hole therebetween, the lead screw 25 is threadedly connected with the sliding block 24 through the threaded hole, the end of the lead screw 25 and the inner wall of the lifting track plate 20 are provided with a rotating interface, the lead screw 25 is rotatably connected with the inner wall of the lifting track plate 20 through the rotating interface, when the lead screw 25 rotates, the sliding block 24 will move on the outer wall of the lead screw 25, and at the same time move in the middle of the lifting track plate 20, the outer wall of a group of lifting blocks 19 is provided with a No. 3 motor 21, one end of the lead screw 25 passes through the lifting track plate 20 and the lifting block 19 and is connected with the No. 3 motor 21, the No. 3 motor 21 is used to drive the lead screw 25 to rotate, the front end of the sliding block 24 is provided with a tool holder 26, the middle of the tool holder 26 is provided with a cutter head 27, the cutter head 27 can rotate in the middle of the tool holder 26, the cutter head 27 can also move through the sliding block 24, the upper ends of the two groups of mounting racks 14 are provided with a group of fixed plates 22, the middle of the fixed plate 22 is provided with a No. 2 air cylinder 23, the fixed plate 22 is used to install the No. 2 air cylinder 23, the lower end of the No. 2 air cylinder 23 is connected with the middle of the upper end of the lifting track plate 20, the No. 2 air cylinder 23 can drive the lifting track plate 20 to move up and down, the two ends of the unwinding roller 3 and the base 1 are provided with two groups of fixing frames 2, the fixing frame 2 is used to install the unwinding roller 3, the outer wall of a group of fixing frames 2 is provided with a No. 1 motor 4, the No. 1 motor 4 is connected with one end of the unwinding roller 3, the No. 1 motor 4 is used to drive the unwinding roller 3 to rotate and unwind the plastic bag.
[0023] It needs to be explained that the utility model discloses an automatic slitting plastic packaging bag equipment, when using, one air cylinder 11 is moved to make two groups of traction roller 8 and the plastic bag contact of unwinding roller 3 outer wall through connecting frame 9 push sliding seat 6, second motor 18 starts, is driven two groups of traction roller 8 to the inside rotation through two groups of transmission gear 17, the one end of plastic bag is inhaled between two groups of traction roller 8, then one air cylinder 11 contracts, drives traction roller 8 to move to the back, make the junction of plastic bag move to the upper end of slitting platform 12, then second air cylinder 23 elongation activity, make cutterhead 27 move downward and contact the junction of plastic bag, third motor 21 starts, drives screw rod 25 to rotate in the inside of lifting track plate 20, sliding block 24 will move in the middle transverse of lifting track plate 20, then drive cutterhead 27 to roll on the upper end of plastic bag, and the plastic bag is slitted, after slitting, one air cylinder 11 drives traction roller 8 to move the plastic bag to the above of discharge chute 15, then two groups of traction roller 8 rotate outward, and the plastic bag is put into the inside of discharge chute 15, then continue the slitting processing of next round.
[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. An apparatus for automatic slitting of plastic packaging bags, comprising a base (1), characterized in that: The side of the base (1) is provided with a pay-off roller (3), the upper end of the base (1) is provided with sliding rails (5) on the front and back sides, the middle of the two groups of sliding rails (5) is provided with sliding seats (6), the upper end of the two groups of sliding seats (6) is provided with moving frames (7), the inner side wall of the two groups of moving frames (7) is provided with transmission boxes (16), the side wall between the two groups of transmission boxes (16) is provided with two groups of traction rollers (8), the front end of the two groups of traction rollers (8) is provided with transmission gears (17) in the transmission boxes (16), the two groups of transmission gears (17) are meshed with each other, the outer wall of the front moving frame (7) is provided with a No. 2 motor (18), the No. 2 motor (18) is connected with a group of transmission gears (17), the rear side wall between the two groups of sliding seats (6) is provided with a connecting frame (9), the side wall of the base (1) is provided with a mounting seat (10), the middle of the mounting seat (10) is provided with a No. 1 air cylinder (11), the end of the No. 1 air cylinder (11) is connected with the connecting frame (9), the middle of the base (1) is provided with a discharging chute (15) between the two groups of sliding rails (5), the upper end of the base (1) is also provided with a slitting platform (12) between the two groups of sliding rails (5), and the upper side of the slitting platform (12) is provided with a cutter head (27).
2. The apparatus according to claim 1, wherein: The front and back side walls of the base (1) are provided with mounting blocks (13), the upper end of the two groups of mounting blocks (13) is provided with mounting frames (14), the middle of the two groups of mounting frames (14) is provided with lifting blocks (19), the side wall between the two groups of lifting blocks (19) is provided with a group of lifting rail plates (20), the side wall of the lifting rail plate (20) is provided with a sliding block (24), the middle of the sliding block (24) is provided with a lead screw (25) in the middle of the lifting rail plate (20), the outer wall of a group of lifting blocks (19) is provided with a No. 3 motor (21), one end of the lead screw (25) penetrates through the lifting rail plate (20) and the lifting block (19) and is connected with the No. 3 motor (21), the front end of the sliding block (24) is provided with a tool holder (26), the middle of the tool holder (26) is provided with a cutter head (27), the upper end of the two groups of mounting frames (14) is provided with a group of fixed plates (22), the middle of the fixed plate (22) is provided with a No. 2 air cylinder (23), the lower end of the No. 2 air cylinder (23) is connected with the middle of the upper end of the lifting rail plate (20), and the two ends of the pay-off roller (3) and the base (1) are provided with two groups of fixing frames (2), the outer wall of a group of fixing frames (2) is provided with a No. 1 motor (4), and the No. 1 motor (4) is connected with one end of the pay-off roller (3).
3. The apparatus according to claim 1, wherein: The sliding seat (6) is in sliding connection with the sliding rail (5), a rotating interface is arranged between the end of the traction roller (8) and the transmission box (16), the traction roller (8) is in rotating connection with the transmission box (16) through the rotating interface, a rotating interface is arranged between the transmission gear (17) and the inner wall of the transmission box (16), the transmission gear (17) is in rotating connection with the inner wall of the transmission box (16) through the rotating interface, and the length of the connecting frame (9) is longer than the length of the slitting platform (12).
4. The apparatus according to claim 1, wherein: The outer walls of the two groups of traction rollers (8) are in contact with each other, the outer walls of the traction rollers (8) are wrapped with rubber material, and the height of the lower traction roller (8) is higher than the height of the slitting platform (12).
5. The apparatus according to claim 2, wherein: A sliding groove is arranged between the side wall of the lifting block (19) and the inner wall of the mounting frame (14), the side wall of the lifting block (19) is in sliding connection with the inner wall of the mounting frame (14) through the sliding groove, the lifting rail plate (20) is in sliding connection with the mounting frame (14) through the lifting block (19), and the sliding block (24) is in sliding connection with the inner wall of the lifting rail plate (20).
6. The apparatus according to claim 2, wherein: A threaded hole is arranged between the lead screw (25) and the sliding block (24), the lead screw (25) is in threaded connection with the sliding block (24) through the threaded hole, a rotating interface is arranged between the end of the lead screw (25) and the inner wall of the lifting rail plate (20), the lead screw (25) is in rotating connection with the inner wall of the lifting rail plate (20) through the rotating interface, a rotating interface is arranged between the cutter disc (27) and the inner wall of the tool holder (26), and the cutter disc (27) is in rotating connection with the tool holder (26) through the rotating interface.