CN219686717U

CN219686717U - Automatic cutting device for mouth of degradable plastic bag

Info

Publication number: CN219686717U
Application number: CN202320608452.2U
Authority: CN
Inventors: 文帅
Original assignee: Individual
Current assignee: Sanyuan Rongsheng Packaging Materials Co ltd
Priority date: 2023-03-25
Filing date: 2023-03-25
Publication date: 2023-09-15
Anticipated expiration: 2033-03-25

Abstract

The utility model discloses an automatic cutting device for a bag mouth of a degradable plastic bag, which belongs to the technical field of plastic bag processing and comprises a workbench for cutting the bag mouth of the degradable plastic bag and a mounting frame fixed on the surface of the workbench, wherein four guide pins are symmetrically fixed on the surface of the workbench, the outer parts of the two guide pins are connected with a pressing plate in a sliding manner, the outer parts of the guide pins are sleeved with a fixing spring for supporting the pressing plate, the top of the mounting frame is provided with a hydraulic cylinder, the bottom of a driving rod of the hydraulic cylinder is provided with a mounting plate, the bottom of the mounting plate is provided with a cutter for cutting the bag mouth of the degradable plastic bag, the surface of the workbench is provided with a moving groove, and the moving groove on the surface of the workbench is in sliding connection with a supporting block. This sack automatic cutout device of degradation plastic bag not only can cut the degradation plastic bag fast, can compress tightly the degradation plastic bag moreover, guarantees to cut the quality.

Description

Automatic cutting device for mouth of degradable plastic bag

Technical Field

The utility model belongs to the technical field of plastic bag processing, and particularly relates to an automatic bag opening cutting device for a degradable plastic bag.

Background

The degradable plastic bag is plastic which is easy to degrade in natural environment after a certain amount of additives such as starch, modified starch or other celluloses, photosensitizers, biodegradable agents and the like are added in the production process to reduce the stability. In the production process of the degradable plastic bag, the bag openings of the multi-layer biodegradable plastic bag are required to be cut and processed. However, most of the existing bag opening cutting devices for degradable plastic bags lack components for pressing the plastic bags, so that the surfaces of the plastic bags undulate during cutting, and the bag openings of the plastic bags are inclined, and the quality of the plastic bags is affected.

Reference is made to the Chinese patent grant: automatic cut-off device for the mouth of degradable plastic bag, authorized bulletin number: CN214056650U, the utility model realizes automatic cutting, replaces manual operation, improves production efficiency, ensures smooth cut and improves product quality. But can not press the position of the plastic bag in the use process, so that the surface of the plastic bag is fluctuated when the plastic bag is cut off, and the mouth of the plastic bag is inclined, thereby influencing the quality of the plastic bag.

Disclosure of Invention

The utility model aims to provide an automatic cutting device for a bag mouth of a degradable plastic bag, which solves the problems that the plastic bag mouth is inclined and the quality of the plastic bag is affected due to the fact that the surface of the plastic bag is fluctuated when the plastic bag is cut because the position of the plastic bag cannot be pressed in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic bag mouth cutting device for the degradable plastic bag comprises a workbench for cutting the bag mouth of the degradable plastic bag and a mounting rack fixed on the surface of the workbench, wherein four guide pins are symmetrically fixed on the surface of the workbench, the outer parts of the two guide pins are connected with a pressing plate in a sliding manner, and the outer parts of the guide pins are sleeved with fixing springs for supporting the pressing plate;

the hydraulic cylinder is installed at the top of mounting bracket, and the mounting panel is installed to the bottom of the actuating lever of pneumatic cylinder, the cutter that is used for cutting off degradation plastic bag sack is installed to the bottom of mounting panel, the movable groove has been seted up on the surface of workstation, and the movable groove sliding connection on workstation surface has the supporting shoe.

In a further embodiment, two through holes are symmetrically formed in the surface of the workbench, and pushing columns are slidably connected in the two through holes on the surface of the workbench.

In a further embodiment, a fixed column is fixedly connected in the workbench, two sliding blocks are slidably connected outside the fixed column, and pushing blocks are fixedly connected to the opposite sides of the two sliding blocks.

In a further embodiment, two fixing rings are symmetrically fixed on the outer wall of the fixing column, and two supporting springs for supporting the fixing rings are sleeved on the outer portion of the fixing column.

In a further embodiment, two push-pull rods are symmetrically arranged between the two sliding blocks, and the two ends of each push-pull rod are rotatably connected with a connecting seat fixedly connected with the sliding block and the supporting block.

In a further embodiment, a plurality of rotating grooves are formed in the sliding block, and balls are rotationally connected in the rotating grooves of the sliding block.

The utility model has the technical effects and advantages that:

according to the automatic cutting device for the mouth of the degradable plastic bag, the plastic bag passes through the lower part of the pressing plate, the pressing plate is supported by the fixed spring, so that the pressing plate is attached to the surface of the plastic bag, the position of the plastic bag is fixed, the phenomenon that the surface of the plastic bag is fluctuated in the cutting process of the mouth of the plastic bag, the mouth of the plastic bag is inclined is avoided, and the processing quality of the plastic bag is ensured;

the hydraulic cylinder drives the mounting plate and the cutter to descend, the mounting plate extrudes and pushes the column, so that two pushing blocks and sliding blocks are pushed to move in opposite directions, the supporting blocks are jacked up by the cooperation of the pushing rods to support the plastic bags, the cutting of the plastic bags can be completed quickly by the cooperation of the cutter, the processing efficiency of the plastic bags is improved, and the automatic cutting device for the bag mouth of the degraded plastic bags not only can cut the degraded plastic bags quickly, but also can compress the degraded plastic bags, so that the cutting quality is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a cross-sectional view of the junction of the table and the mounting bracket of the present utility model;

fig. 4 is an enlarged view of the present utility model at B in fig. 3.

In the figure: 1. a work table; 11. a guide pin; 12. a pressing plate; 13. a fixed spring; 2. a mounting frame; 21. a hydraulic cylinder; 22. a mounting plate; 23. a cutter; 24. pushing the column; 3. fixing the column; 31. a sliding block; 32. a pushing block; 33. a ball; 34. a fixing ring; 35. a support spring; 36. a push-pull rod; 37. and a supporting block.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

In order to fix the position of degradation plastic bag, avoid cutting off the in-process to the plastic bag sack, the plastic bag surface appears waving, as shown in fig. 1 and 2, the bottom four corners of workstation 1 all is fixed with the supporting leg through the bolt, four guide pins 11 are fixed with through the screw symmetry on the surface of workstation 1, the outside sliding connection of two guide pins 11 has clamp plate 12, and the outside of guide pin 11 has cup jointed the fixed spring 13 that is used for carrying out the support to clamp plate 12, and the surface of clamp plate 12 has the lift piece through the fix with screw, thereby conveniently stimulate clamp plate 12 and remove, pass the below with the plastic bag from clamp plate 12, fixed spring 13 supports clamp plate 12, make clamp plate 12 laminating at the surface of plastic bag, thereby fix the position of plastic bag.

In order to cut the degradable plastic bag rapidly and improve the processing efficiency of the plastic bag, as shown in fig. 1, 3 and 4, a mounting frame 2 is fixed at the top of the workbench 1 through bolts, a hydraulic cylinder 21 is mounted at the top of the mounting frame 2 through bolts, a mounting plate 22 is mounted at the bottom of a driving rod of the hydraulic cylinder 21 through bolts, a cutter 23 for cutting off the mouth of the degradable plastic bag is mounted at the bottom of the mounting plate 22 through bolts, a moving groove is formed in the surface of the workbench 1, a supporting block 37 is connected in the moving groove on the surface of the workbench 1 in a sliding manner, two through holes are symmetrically formed in the surface of the workbench 1, pushing columns 24 are connected in the two through holes on the surface of the workbench 1 in a sliding manner, limiting rings are connected to the outer threads of the pushing columns 24, the pushing columns 24 are prevented from falling from the workbench 1, and the bottom of the pushing columns 24 is in a semicircular structure;

the fixed column 3 is fixedly connected to the workbench 1 through screws, two sliding blocks 31 are fixedly connected to the outer portion of the fixed column 3 in a sliding manner, limiting sliding blocks are fixedly arranged at the bottoms of the sliding blocks 31 through screws, limiting sliding grooves for the limiting sliding blocks to slide are formed in the bottom wall of the inner cavity of the workbench 1, the sliding blocks 31 are prevented from shaking, a plurality of rotating grooves are formed in the sliding blocks 31, the rotating grooves of the sliding blocks 31 are rotationally connected with balls 33, the balls 33 are attached to the fixed column 3, the sliding blocks 31 move outside the fixed column 3 more smoothly, pushing blocks 32 are fixedly connected to the opposite sides of the two sliding blocks 31 through screws, one side of each pushing block 32, facing to the pushing column 24, of each pushing block 24 is an inclined surface, the pushing column 24 moves more smoothly on the pushing blocks 32, two fixing rings 34 are symmetrically fixed on the outer wall of the fixed column 3 through screws, two supporting springs 35 for supporting the fixing rings 34 are sleeved on the outer sides of the fixed column 3, two push-pull rods 36 are symmetrically arranged between the two sliding blocks 31, two ends of each push-pull rod 36 are rotationally connected with the sliding blocks 31 and the supporting blocks 37, the two push-pull rods are fixedly connected with the pushing blocks 22 and the supporting blocks 37, the two supporting blocks 22 are matched with the supporting blocks 22 and the supporting blocks 23 are matched with the supporting bags, and the two supporting bags are matched with the supporting bags, and the supporting bags are matched with the supporting bags and the supporting bags are matched with the supporting bags, and the supporting bags and the two supporting bags are matched with the supporting bags and the supporting bags are matched with the supporting bags to be rapidly to be cut.

The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming by a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

Working principle:

when the automatic cut-off device for the bag mouth of the degradable plastic bag is used, the degradable plastic bag passes through the lower part of the pressing plate 12, the pressing plate 12 is supported by the fixed spring 13, and the pressing plate 12 is attached to the surface of the degradable plastic bag, so that the position of the degradable plastic bag is fixed;

the hydraulic cylinder 21 is started, the hydraulic cylinder 21 drives the mounting plate 22 and the cutter 23 to descend, in the descending process of the mounting plate 22 and the cutter 23, the mounting plate 22 extrudes the pushing column 24, the pushing column 24 pushes the two pushing blocks 32 and the sliding block 31 to move in opposite directions, the sliding block 31 pushes the lower half parts of the two push-pull rods 36 to move in opposite directions, the push-pull rods 36 jack up the supporting blocks 37 to support the degradable plastic bags, and the cutting of the bag openings of the degradable plastic bags is completed rapidly by matching with the cutter 23.

Finally, it should be noted that: the foregoing is merely preferred and is not intended to limit the utility model.

Claims

1. The utility model provides a sack automatic cutout device of degradation plastic bag, includes workstation (1) and mounting bracket (2) that are fixed in workstation (1) surface that are used for cutting off degradation plastic bag sack, its characterized in that: four guide pins (11) are symmetrically fixed on the surface of the workbench (1), the outer parts of the two guide pins (11) are connected with a pressing plate (12) in a sliding mode, and a fixing spring (13) used for supporting the pressing plate (12) is sleeved outside the guide pins (11);

the utility model discloses a plastic bag is characterized in that a hydraulic cylinder (21) is installed at the top of mounting bracket (2), and mounting panel (22) is installed to the bottom of the actuating lever of hydraulic cylinder (21), cutter (23) that are used for cutting off degradation plastic bag sack are installed to the bottom of mounting panel (22), the removal groove has been seted up on the surface of workstation (1), and sliding connection has supporting shoe (37) in the removal groove on workstation (1) surface.

2. The automatic cut-off device for the mouth of a degradable plastic bag according to claim 1, wherein: two through holes are symmetrically formed in the surface of the workbench (1), and pushing columns (24) are slidably connected in the two through holes in the surface of the workbench (1).

3. The automatic cut-off device for the mouth of a degradable plastic bag according to claim 2, wherein: the workbench is characterized in that a fixed column (3) is fixedly connected in the workbench (1), two sliding blocks (31) are connected to the outside of the fixed column (3) in a sliding mode, and pushing blocks (32) are fixedly connected to the opposite surfaces of the two sliding blocks (31).

4. The automatic cut-off device for the mouth of a degradable plastic bag according to claim 3, wherein: two fixing rings (34) are symmetrically fixed on the outer wall of the fixing column (3), and two supporting springs (35) used for supporting the fixing rings (34) are sleeved outside the fixing column (3).

5. The automatic cut-off device for the mouth of a degradable plastic bag according to claim 3, wherein: two push-pull rods (36) are symmetrically arranged between the two sliding blocks (31), and the two ends of each push-pull rod (36) are rotatably connected with a connecting seat fixedly connected with the sliding block (31) and the supporting block (37).

6. The automatic cut-off device for the mouth of a degradable plastic bag according to claim 5, wherein: a plurality of rotating grooves are formed in the sliding block (31), and balls (33) are rotationally connected in the rotating grooves of the sliding block (31).