CN220481915U

CN220481915U - Cutting platform for polypropylene packaging bag production line

Info

Publication number: CN220481915U
Application number: CN202322117402.7U
Authority: CN
Inventors: 王孝飞; 李玉华; 苏正美; 汤素萍; 马华文
Original assignee: Ili Sushi Packing Co ltd
Current assignee: Ili Sushi Packing Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-02-13
Anticipated expiration: 2033-08-07

Abstract

The utility model relates to the technical field of polypropylene processing, in particular to a cutting platform for a polypropylene packaging bag production line, which can accurately control cutting positions by counting rolling feeding, so that cutting is more accurate and reliability is improved; including cutting platform, cutting movable mechanism and cutting blade, cutting platform top middle side is connected with cutting movable mechanism bottom, and cutting movable mechanism installs cutting blade inboard, still includes: the accurate feeding mechanism is used for accurately feeding the cut quantitative materials, the accurate feeding mechanism comprises a feeding groove, a feeding motor, a speed reducer, a driving shaft, a driving roller, a support plate, a constraint slide pipe, constraint slide bars, constraint frames, a driven shaft, driven compression rollers and a counter, the top ends of the two groups of constraint slide bars are respectively connected with the left side and the right side of the bottom end of the constraint frame, the outer wall of the driven shaft is connected with the inner wall of the driven compression roller, the counter is arranged on the right side of the constraint frame, and the right end of the driven shaft is connected with the input end of the counter.

Description

Cutting platform for polypropylene packaging bag production line

Technical Field

The utility model relates to the technical field of polypropylene processing, in particular to a cutting platform for a polypropylene packaging bag production line.

Background

Polypropylene is a nontoxic, odorless and tasteless milky high crystalline polymer with a density of only 0.90-0.91 g/cm3, and is one of the lightest varieties in all plastics. It is particularly stable to water, has a water absorption of only 0.01% in water and a molecular weight of about 8 ten thousand to 15 ten thousand. Good formability, but because the shrinkage rate is large (1% -2.5%), thick-wall products are easy to sink, and the surface gloss of the products is good for some parts with higher dimensional accuracy.

In the processing process of polypropylene, the existing packaging bag cutting machine disclosed in China patent publication No. CN206265457U comprises a frame for connecting and supporting various mechanisms, a blade for cutting the packaging bag, a reciprocating mechanism for driving a pressing plate to reciprocate up and down, and the pressing plate for pressing the packaging bag with a conveying belt, wherein the pressing plate can flatten the curled packaging bag on the one hand, and can fix the packaging bag on the other hand, so that the cutting of the blade is convenient, when the first rack is used for moving up and down together with the pressing plate, the first rack drives a gear to rotate, the second rack is slidingly connected to the frame, the second rack is driven to move up and down by the rotation of the gear, the up and down movement of the second rack drives the U-shaped rod to move up and down, and when the blade moves up, the two ends of the U-shaped rod are connected with the blade, the packaging bag is cut; the first roller and the second roller are used for driving the conveying belt to rotate, the conveying belt is used for supporting and conveying the packaging bags, and the winding roller is used for installing the packaging bag rolls.

And like the wrapping bag cutting machine of chinese patent publication No. CN202702287U, its simple structure, it is with low costs, promotes the cutting operation that the hot knife moved along the knife rest up and down through the cylinder and realizes the wrapping bag, convenient operation, work efficiency is high, and the practicality is strong.

But the device is difficult to guarantee the conveying of the packaging bag, so that the cutting position is inaccurate and the reliability is poor.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the cutting platform for the polypropylene packaging bag production line, which can accurately control the cutting position by counting the rolling feeding, so that the cutting is more accurate and the reliability is improved.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a polypropylene wrapping bag cutting platform for production line, includes cutting platform, cutting movable mechanism and cutting blade, and cutting platform top middle side is connected with cutting movable mechanism bottom, and cutting movable mechanism installs cutting blade inboard, still includes:

the accurate feeding mechanism is used for accurately feeding cut quantitative materials, the accurate feeding mechanism comprises a feeding groove, a feeding motor, a speed reducer, a driving shaft, a driving roller, support plates, a constraint sliding sleeve, constraint sliding rods, constraint frames, driven shafts, driven compression rollers and counters, the feeding groove is arranged on the inner side of the front end of a cutting platform, the driving shaft is rotationally connected to the left side and the right side of the feeding groove, the outer wall of the driving shaft is connected with the inner wall of the driving roller, the right front side of the cutting platform is connected with the inner end of the speed reducer, the output end of the feeding motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the right end of the driving shaft, the left side and the right side of the cutting platform are respectively connected with the inner ends of a group of support plates, the top ends of the two groups of support plates are respectively connected with the bottom ends of a group of the constraint sliding sleeves, the top ends of the two groups of the constraint sliding rods are respectively connected with the left side and the right side of the bottom ends of the constraint frames, the inner ends of the constraint frames are rotationally connected with the driven shafts, the outer walls of the driven shafts are connected with the inner walls of the driven rollers, the right side of the constraint frames, the counter is arranged on the right side of the constraint frames, and the right end is connected with the input end of the counter.

Preferably, the cutting mechanism further comprises a top connecting plate, a compression cylinder, a telescopic rod and a compression bar, wherein the upper ends of the front side and the rear side of the cutting mechanism are respectively connected with the inner ends of a group of top connecting plates, the bottom ends of each group of top connecting plates are respectively connected with the top ends of a group of compression cylinders, the output ends of the compression cylinders are movably connected with the telescopic rod, and the bottom ends of the telescopic rod are connected with the top ends of the compression bar.

Preferably, the press roll comprises a set of contact ring pads, and the outer sides of the driving shaft and the driven press roll are respectively connected with the inner sides of the set of contact ring pads.

Preferably, the device further comprises a grease nipple, wherein a group of grease nipples are respectively arranged on the upper sides of the outer ends of each group of the constraint sliding sleeve, and the output ends of the grease nipples are communicated with the inner wall of the constraint sliding sleeve.

Preferably, the device further comprises oil injection caps, and a group of oil injection caps are detachably arranged on the outer sides of each group of oil injection nozzles respectively.

Preferably, the cutting platform also comprises a message board, and the rear side of the left end of the cutting platform is connected with the inner end of the message board.

Advantageous effects

Compared with the prior art, the utility model provides the cutting platform for the polypropylene packaging bag production line, which has the following beneficial effects:

the front side is used for feeding materials to the top end of the cutting platform, the feeding motor is used for running and decelerating through the speed reducer to enable the driving shaft to rotate in the feeding groove, so that the driving roller is driven to rotate, the constraint frame is enabled to be downwards subjected to gravity under the sliding constraint of the two groups of constraint sliding sleeves and the constraint sliding rods, the driven pressing roller is enabled to be movably attached to the driving shaft, the driven pressing roller is enabled to be used for constraining the synchronous driving shaft to rotate in the constraint frame through the driven shaft, rolling feeding is carried out, a rotation signal of the driven shaft is output to the counter, the counter is enabled to be output to the control terminal, each cutting position of the polypropylene packaging bag can be accurately located on the inner side of the cutting movable mechanism according to requirements, the cutting position can be accurately controlled through the counting of the rolling feeding, and the reliability is improved.

Drawings

FIG. 1 is an axial view of a schematic structural diagram of the present utility model;

FIG. 2 is a top view of FIG. 1 in accordance with the present utility model;

FIG. 3 is a front view of FIG. 1 of the present utility model;

fig. 4 is a left side view of fig. 1 in accordance with the present utility model.

The reference numerals in the drawings: 1. a cutting platform; 2. a cutting movable mechanism; 3. a cutting blade; 4. a feed chute; 5. a feeding motor; 6. a speed reducer; 7. a driving shaft; 8. a drive roll; 9. a support plate; 10. restraining the sliding sleeve; 11. restraining the slide bar; 12. a restraint frame; 13. a driven shaft; 14. a driven press roll; 15. a counter; 16. a top connection plate; 17. a compacting cylinder; 18. a telescopic rod; 19. a compression bar; 20. a contact ring pad; 21. an oil filling nozzle; 22. an oiling cap; 23. information cards.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1-4, a cutting platform for polypropylene packaging bag production line, which comprises a cutting platform 1, a cutting movable mechanism 2 and a cutting blade 3, wherein the middle side of the top end of the cutting platform 1 is connected with the bottom end of the cutting movable mechanism 2, the cutting blade 3 is arranged on the inner side of the cutting movable mechanism 2, and the cutting platform further comprises:

the precise feeding mechanism is used for quantitatively and precisely feeding the cut materials and comprises a feeding groove 4, a feeding motor 5, a speed reducer 6, a driving shaft 7, a driving roller 8, a support plate 9, a constraint sliding sleeve 10, constraint sliding rods 11, constraint frames 12, a driven shaft 13, driven compression rollers 14 and a counter 15, the feeding groove 4 is arranged on the inner side of the front end of the cutting platform 1, the driving shaft 7 is rotationally connected with the left side and the right side of the feeding groove 4, the outer wall of the driving shaft 7 is connected with the inner wall of the driving roller 8, the right front side of the cutting platform 1 is connected with the inner end of the speed reducer 6, the output end of the feeding motor 5 is connected with the input end of the speed reducer 6, the output end of the speed reducer 6 is connected with the right end of the driving shaft 7, the front upper ends of the left side and the right side of the cutting platform 1 are respectively connected with the inner ends of a group of the support plates 9, the tops of the two groups of support plates 9 are respectively connected with the bottoms of the constraint sliding sleeves 10, the inner sides of the constraint sliding sleeves 10 are upwards connected with the outer sides of the constraint sliding rods 11, the tops of the two groups of the constraint sliding rods 11 are respectively connected with the left side and right side of the bottom ends of the constraint frames 12, the constraint frames 12 are rotationally connected with the driven shaft 13, the outer wall 13 is connected with the driven shaft 13, the output shaft 13 is connected with the inner wall of the right side of the counter 13, the driven shaft 13 is connected with the right side of the counter 13, and the right side of the counter 13 is connected with the inner wall of the right side of the constraint sliding rods 12 is connected with the right side of the counter 13; the front side is used for feeding materials to the top end of the cutting platform 1, the feeding motor 5 runs and is decelerated through the speed reducer 6 to enable the driving shaft 7 to rotate in the feeding groove 4, so that the driving roller 8 is driven to rotate, the constraint frame 12 is enabled to be downwards subjected to gravity under the sliding constraint of the two groups of constraint sliding sleeves 10 and the constraint sliding rods 11, the driven pressing roller 14 is enabled to be movably attached to the driving shaft 7, the driven pressing roller 14 is enabled to be capable of constraining the synchronous driving shaft 7 to rotate in the constraint frame 12 through the driven shaft 13, rolling feeding is carried out, a rotation signal of the driven shaft 13 is output to the counter 15, the counter 15 is enabled to be output to the control terminal, each cutting position of the polypropylene packaging bag can be accurately located on the inner side of the cutting movable mechanism 2 according to requirements, the cutting position can be accurately controlled through the counting of the rolling feeding, and the cutting position can be more accurate, and the reliability is improved.

The cutting mechanism comprises a cutting mechanism 2, a pressing cylinder 17, a telescopic rod 18 and a pressing strip 19, wherein the upper ends of the front side and the rear side of the cutting mechanism 2 are respectively connected with the inner ends of a group of top connecting plates 16, the bottom end of each group of top connecting plates 16 is respectively connected with the top ends of a group of pressing cylinders 17, the output end of the pressing cylinder 17 is movably connected with the telescopic rod 18, and the bottom ends of the telescopic rods 18 are connected with the top ends of the pressing strips 19; when cutting, the compressing cylinder 17 acts on the telescopic rod 18 to extend under the fixation of the top connecting plate 16, so that the compressing strip 19 compresses the packaging bag, the movement is avoided, and the stability is improved.

The outer sides of the driving shaft 7 and the driven pressing roller 14 are respectively connected with the inner sides of a group of contact ring gaskets 20; the contact static friction force of the driving shaft 7 and the driven pressing roller 14 on materials can be increased through the contact ring pad 20, slipping is avoided, and reliability is improved.

The device further comprises oil injection nozzles 21, wherein a group of oil injection nozzles 21 are respectively arranged on the upper side of the outer end of each group of the constraint sliding sleeve 10, and the output end of each oil injection nozzle 21 is communicated with the inner wall of the constraint sliding sleeve 10; the inner wall of the constraint sliding sleeve 10 can be filled with oil through the oil filling nozzle 21, so that the constraint sliding sleeve 10 and the constraint sliding rod 11 can be lubricated conveniently, and clamping stagnation is avoided.

The device also comprises oiling caps 22, wherein a group of oiling caps 22 are detachably arranged on the outer sides of each group of oiling nozzles 21 respectively; after the oiling cap 22 is installed, the interior of the oiling nozzle 21 can be sealed and protected, dust entering pollution is avoided, and reliability is improved.

Example 2

the accurate feeding mechanism is used for quantitatively and accurately feeding the cut materials, the accurate feeding mechanism comprises a feeding groove 4, a feeding motor 5, a speed reducer 6, a driving shaft 7, a driving roller 8, a support plate 9, a constraint sliding sleeve 10, a constraint sliding rod 11, a constraint frame 12, a driven shaft 13, a driven compression roller 14 and a counter 15, the feeding groove 4 is arranged on the inner side of the front end of the cutting platform 1, the driving shaft 7 is rotatably connected with the left side and the right side of the feeding groove 4, the outer wall of the driving shaft 7 is connected with the inner wall of the driving roller 8, the right front side of the cutting platform 1 is connected with the inner end of the speed reducer 6, the output end of the speed reducer 6 is connected with the right end of the driving shaft 7, the front upper ends of the left side and the right side of the cutting platform 1 are respectively connected with the inner ends of a group of the support plate 9, the tops of the two groups of support plates 9 are respectively connected with the bottoms of the constraint sliding sleeve 10, the inner side of the constraint sliding sleeve 10 is upwards connected with the outer side of the constraint sliding rod 11, the tops of the two groups of constraint 11 are respectively connected with the left side and right side of the bottom of the constraint frame 12, the inner end of the constraint frame 12 is rotatably connected with the driven shaft 13, the driven shaft 13 is connected with the outer wall of the driven shaft 13, the driven shaft 14 is connected with the inner wall of the counter 13, the driven shaft 12 is connected with the right side of the counter 13, and the counter 15 is connected with the right side of the counter 13. The cutting mechanism is characterized by further comprising a top connecting plate 16, compression cylinders 17, telescopic rods 18 and compression strips 19, wherein the upper ends of the front side and the rear side of the cutting mechanism 2 are respectively connected with the inner ends of a group of top connecting plates 16, the bottom ends of each group of top connecting plates 16 are respectively connected with the top ends of a group of compression cylinders 17, the output ends of the compression cylinders 17 are movably connected with the telescopic rods 18, and the bottom ends of the telescopic rods 18 are connected with the top ends of the compression strips 19. And the outer sides of the driving shaft 7 and the driven pressing roller 14 are respectively connected with the inner sides of a group of contact ring gaskets 20. The device further comprises oil filling nozzles 21, wherein a group of oil filling nozzles 21 are respectively arranged on the upper side of the outer end of each group of the constraint sliding sleeve 10, and the output end of each oil filling nozzle 21 is communicated with the inner wall of the constraint sliding sleeve 10. The device also comprises oiling caps 22, and a group of oiling caps 22 are detachably arranged on the outer sides of each group of oiling nozzles 21 respectively.

In sum, when the cutting platform for the polypropylene packaging bag production line is used, the front side is used for feeding materials to the top end of the cutting platform 1, the feeding motor 5 is used for running and decelerating through the speed reducer 6, so that the driving shaft 7 rotates in the feeding groove 4, the driving roller 8 is driven to rotate, the constraint frame 12 is enabled to be downwards subjected to gravity under the sliding constraint of the two groups of constraint sliding sleeves 10 and the constraint sliding rods 11, so that the driven pressing roller 14 is enabled to be movably attached to the driving shaft 7, the driven pressing roller 14 is enabled to rotate in the constraint frame 12 through the driven shaft 13, the synchronous driving shaft 7 is enabled to be restrained to rotate through the driven shaft 13, rolling feeding is carried out through contact with the contact ring cushion 20, the rotation signal of the driven shaft 13 is output to the counter 15, the counter 15 is enabled to be output to the control terminal, each cutting position of the polypropylene packaging bag can be accurately located on the inner side of the cutting moving mechanism 2 according to requirements, the compression cylinder 17 is enabled to act on the telescopic rod 18 under the fixation of the top connecting plate 16, the compression bar 19 can be enabled to compress the packaging bag, the movement is avoided, the movable cutting blade 3 is enabled to movably cut, in addition, the inner wall of the constraint 10 can be enabled to be filled with oil through the oiling nozzle 21, lubrication of the constraint sliding sleeve 10 and the constraint 11 is enabled to be prevented, the fouling is prevented, the sealing of the constraint sliding sleeve 21 can be blocked, the inside the oiling nozzle 21 after the oiling cap is installed, the oiling cap 22 is enabled to be used to be prevented, the reliability to be improved, the reliability is improved, the auxiliary information is convenient, and the reading platform is convenient to be convenient.

The cutting movable mechanism 2, the feeding motor 5, the counter 15 and the pressing cylinder 17 are known devices which are directly purchased in the market and are used by those skilled in the art, the structure and the function of the cutting movable mechanism are not improved, the cutting movable mechanism 2, the feeding motor 5, the counter 15 and the pressing cylinder 17 are not described in detail, and the control switches matched with the cutting movable mechanism 2, the feeding motor 5, the counter 15 and the pressing cylinder 17 are arranged, the mounting positions of the control switches are selected according to actual use requirements, and the operation control of operators is facilitated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a polypropylene wrapping bag cutting platform for production line, includes cutting platform (1), cutting movable mechanism (2) and cutting blade (3), and cutting platform (1) top middle side is connected with cutting movable mechanism (2) bottom, and cutting blade (3) are installed to cutting movable mechanism (2) inboard, its characterized in that still includes:

the accurate feeding mechanism is used for quantitatively and accurately feeding materials to cutting, the accurate feeding mechanism comprises a feeding groove (4), a feeding motor (5), a speed reducer (6), a driving shaft (7), a driving roller (8), a support plate (9), a constraint sliding sleeve (10), a constraint sliding rod (11), a constraint frame (12), a driven shaft (13), a driven pressing roller (14) and a counter (15), the feeding groove (4) is arranged on the inner side of the front end of the cutting platform (1), the driving shaft (7) is rotationally connected with the left side and the right side of the feeding groove (4), the outer wall of the driving shaft (7) is connected with the inner wall of the driving roller (8), the right front side of the cutting platform (1) is connected with the inner end of the speed reducer (6), the output end of the feeding motor (5) is connected with the input end of the speed reducer (6), the output end of the speed reducer (6) is connected with the right end of the driving shaft (7), the front upper ends of the left side and the right side of the cutting platform (1) are respectively connected with the inner ends of a group of the support plate (9), the top ends of the two groups of support plates (9) are respectively connected with the bottom ends of the constraint sliding sleeve (10), the inner ends of the constraint sliding sleeve (10) are respectively connected with the bottom ends of the group of the constraint sliding sleeve, the upper ends (12) are respectively connected with the upper ends of the left side of the constraint sliding sleeve (12), the outer wall of the driven shaft (13) is connected with the inner wall of the driven press roller (14), a counter (15) is arranged on the right side of the restraint frame (12), and the right end of the driven shaft (13) is connected with the input end of the counter (15).

2. The cutting platform for a polypropylene packaging bag production line according to claim 1, wherein: still include top connecting plate (16), compress tightly cylinder (17), telescopic link (18) and compress tightly strip (19), side upper end is connected with the inboard of a set of top connecting plate (16) respectively around cutting movable mechanism (2), and every top connecting plate (16) bottom is connected with a set of cylinder (17) top that compresses tightly respectively, compresses tightly cylinder (17) output swing joint and has telescopic link (18), and telescopic link (18) bottom is connected with the top of compressing tightly strip (19).

3. The cutting platform for a polypropylene packaging bag production line according to claim 1, wherein: the device also comprises a contact ring pad (20), and the outer sides of the driving shaft (7) and the driven pressing roller (14) are respectively connected with the inner sides of a group of contact ring pads (20).

4. The cutting platform for a polypropylene packaging bag production line according to claim 1, wherein: the device further comprises oil filling nozzles (21), wherein a group of oil filling nozzles (21) are respectively arranged on the upper sides of the outer ends of each group of the constraint sliding sleeve (10), and the output ends of the oil filling nozzles (21) are communicated with the inner wall of the constraint sliding sleeve (10).

5. The cutting platform for a polypropylene packaging bag production line according to claim 4, wherein: the novel oil filling device further comprises oil filling caps (22), and a group of oil filling caps (22) are detachably arranged on the outer sides of each group of oil filling nozzles (21).

6. The cutting platform for a polypropylene packaging bag production line according to claim 1, wherein: the cutting platform is characterized by further comprising an information card (23), and the rear side of the left end of the cutting platform (1) is connected with the inner end of the information card (23).