CN219505546U

CN219505546U - Plastic film punching and stripping mechanism

Info

Publication number: CN219505546U
Application number: CN202320212982.5U
Authority: CN
Inventors: 王言冬
Original assignee: Linyi Gaode Plastic Packaging Co ltd
Current assignee: Linyi Gaode Plastic Packaging Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-08-11
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses a plastic film punching and stripping mechanism which comprises a supporting plate, wherein two ends of the bottom of the supporting plate are connected with a fixing frame, the cross section of the fixing frame is in an inverted U shape, a through hole is formed in one side wall of the fixing frame, a fixing bolt is arranged on the inner side of the through hole, a mounting frame is connected above the supporting plate, the cross section of the mounting frame is in a transverse U shape, a backing plate is connected on the inner bottom surface of the mounting frame through the bolt, an air cylinder A and an air cylinder B are arranged at the upper end of the mounting frame, and the output ends of the air cylinder A and the air cylinder B penetrate through the upper side wall of the mounting frame.

Description

Plastic film punching and stripping mechanism

Technical Field

The utility model relates to the technical field of punching devices, in particular to a plastic film punching and stripping mechanism.

Background

When the plastic packaging bag is produced, the plastic film needs to be processed, wherein the processing comprises the working procedures of perforating, opening, hot-pressing compounding, folding, cutting and the like, the perforating is divided into small holes and large holes, the small holes are generally divided into small holes and large holes, a miniature or mini cylinder drives a cutter to be matched with a die, and when the plastic film stops, the plastic film is subjected to instantaneous punching operation, namely the small holes are punched;

if the hole area is large or the shape is irregular, the opening cannot be flattened by adopting a mode of instantaneous punching, the film is easy to damage to produce waste products, a specially designed and customized cutter is needed to be matched with a backing plate for pressing and cutting, the film is cut along the outline of the hole, most of devices which are arranged on a production line and span the production line and can provide power for up-and-down motion through a cylinder in the prior art are used for driving the cutter to reciprocate for cutting, and the devices have large volume, large occupied space and high cost;

the film is perforated in the mode, the cut film can be conveyed forwards along with the main film after cutting, the cut film is separated from the main film in other modes, common separation modes comprise blowing separation, the blowing separation adopts compressed gas to blow along with the movement of the film intermittently aiming at the cut part so as to blow off the cut film, the structure needs to additionally erect a gas circuit to introduce compressed air from an air compressor and control the compressed air through an electromagnetic valve, the air source such as the air compressor is required to keep supplying air at all times, the blown gas is directly dissipated, energy is consumed relatively, meanwhile, a part of gas is required to be discharged out of the cylinder during the operation of the cylinder, and part of compressed gas can be wasted.

Therefore, the mechanism with single side installation convenient for installation and maintenance is designed, so that the cutter is convenient to replace, compressed gas is reused, and energy consumption is reduced, and the problem to be solved by the inventor is solved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a plastic film punching and stripping mechanism which can realize the functions of facilitating the installation and maintenance of a single side, facilitating the replacement of a cutter, improving the efficiency, reutilizing compressed gas, reducing the consumption of the compressed gas and reducing the energy consumption.

The technical scheme adopted by the device is as follows: the utility model provides a plastic film takes off material mechanism that punches a hole, it includes the backup pad, the bottom both ends of backup pad all are connected with the mount, the cross section of mount is offered the through-hole on "U" shape and one side lateral wall of inversion, the through-hole inboard is provided with fixing bolt, the top of backup pad is connected with the mounting bracket, the cross section of mounting bracket is the "U" shape of horizontal setting, there is the backing plate through bolted connection on the inboard bottom surface of mounting bracket, the upper end of mounting bracket is provided with cylinder A, cylinder B, cylinder A, cylinder B's output all passes the upper side wall of mounting bracket, cylinder A, cylinder B's output outside is provided with the external screw thread and is connected with the connecting plate through the nut, the lower extreme of connecting plate is connected with the cutter body, mounting bracket up end right-hand member is provided with the subframe, the subframe includes riser, the diaphragm is connected with the mounting bracket through the bolt, the five-way valve has set gradually gas outlet A, gas outlet B and right side gas outlet B have set gradually under the air outlet A and the right side gas outlet from the top down in proper order, gas outlet B have the gas outlet A, gas inlet connection A, gas connection A and gas connection and three-way connection have the air inlet connection to the air duct, air inlet connection A, air connection and air connection B have the air connection to the air inlet connection to the air connection A, the air connection to the air connection B to the air connection A.

Further, the air cylinder A and the air cylinder B are symmetrically arranged on the mounting frame.

Further, the cylinder A and the cylinder B synchronously operate.

Further, the fixing frame is arranged on the outer side of the bag making machine frame and is connected through fixing bolts.

Further, the cutter body and the connecting plate are connected through bolts.

Further, the cutter body comprises a top plate, and a cutting edge perpendicular to the top plate is connected to the periphery of the top plate.

Further, the length of the flexible pipe is larger than the distance between the ground of the transverse plate and the upper end face of the backing plate.

Further, the transverse plate is provided with at least two round holes for installing the air connector.

The device has the beneficial effects that:

1. the utility model adopts the movably connected cutter body, the connecting plate and the air cylinder, when the punching shape and specification are required to be replaced, the connecting plate with the cutter body with the new shape is directly replaced, the device is convenient and quick, meanwhile, the device is buckled on the device frame through the fixing frame, the device is convenient to install and operate, compressed air discharged by the air cylinder is utilized to blow the cut film part, the cut film part falls off and is completely separated from the main film, the other erection of an air pipeline is avoided, the device structure cost is reduced, the small box of the compressed air is reduced, the utilization rate of the compressed air is improved, the unilateral installation is realized, the installation and maintenance are convenient, the cutter replacement is convenient, the efficiency is improved, the compressed air is reused, and the compressed air consumption is reduced, so that the energy consumption is reduced.

Drawings

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

Reference numerals illustrate: 1-a supporting plate; 2-fixing frames; 3-backing plate; 4-a cutter body; 5-connecting plates; 6-mounting rack; 7-cylinder A; 8-a three-way air connector; 9-cylinder B; 10-trachea a; 11-trachea B; 12-two-position five-way valve; 13-subframe; 14-a gas blowing pipe A; 15-an air blowing pipe B; 16-an air inlet pipe; 17-a fixed tracheal tube; 18-flexible tube.

Detailed Description

The apparatus of the present utility model is further illustrated below in conjunction with specific examples, which are provided to illustrate the utility model and are not intended to limit the scope of the utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the apparatus of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.

Embodiment one: referring to fig. 1, which is a schematic structural diagram of the utility model, a plastic film punching and stripping mechanism comprises a supporting plate 1, wherein both ends of the bottom of the supporting plate 1 are connected with a fixing frame 2, the cross section of the fixing frame 2 is in an inverted U shape, a through hole is formed in one side wall of the fixing frame, a fixing bolt is arranged on the inner side of the through hole, the fixing frame 2 is arranged on the outer side of a bag making machine frame and is connected through the fixing bolt, the inverted U shape can be well buckled on the bag making machine frame, and the fixing connection of the fixing frame 2 can be completed perfectly through the connection of the fixing bolt.

The top of backup pad 1 is connected with mounting bracket 6, the cross section of mounting bracket 6 is the "U" shape of horizontal setting, the opening direction of mounting bracket 6 is inboard towards the bag making machine, make things convenient for plastic film to carry the process from the space of mounting bracket 6 inboard, be connected with backing plate 3 through the bolted connection on the inboard bottom surface of mounting bracket 6, backing plate 3 is used for providing the support of cutting, punching for cutter body 4, complete whole cutting action is accomplished to cooperation cutter body 4, the upper end of mounting bracket 6 is provided with cylinder A7, cylinder B9, cylinder A7, the output of cylinder B9 all passes the upper sidewall of mounting bracket 6, cylinder A7, the output outside of cylinder B9 is provided with the external screw thread and is connected with connecting plate 5 through the nut, the lower extreme of connecting plate 5 is connected with cutter body 4, be connected through the bolt between cutter body 4, connecting plate 5, cutter body 4 includes the roof, be connected with the cutting edge of perpendicular to roof around the roof, this kind of structural design can be according to the cutter body 4 of different shapes of production and processing's demand design, select suitable shape cutter body 4 to accomplish the change of shape through the bolt and connecting plate 5 when producing, and the output between end and the dismantlement and also through the connection and convenient and quick dismantlement.

The mounting bracket 6 up end right-hand member is provided with subframe 13, subframe 13 includes the riser, the diaphragm is connected with mounting bracket 6 through the bolt, there is two-position five-way valve 12 through bolted connection on the riser, gas outlet A has been set gradually from the top down in the left side of two-position five-way valve 12, gas outlet B and right side from the top down has set gradually gas vent A, the air inlet, gas vent B, cylinder A7, the air joint of cylinder B9 top is linked together with gas outlet A through trachea A10, tee bend air joint 8, cylinder A7, the air joint of cylinder B9 below is linked together with gas outlet B through trachea B11, gas vent A is connected with gas-blast pipe A14, gas-blast pipe B15 is connected with outside air supply through the trachea 16, gas-blast pipe A14, gas-blast pipe B15 is connected with two flexible pipe 18 through fixed trachea joint 17 respectively and just pass the diaphragm on the diaphragm, flexible pipe 18 self characteristics can change the form and independently keep down when receiving external force, through the exit position of manual regulation flexible pipe 18 lower extreme, can be satisfied by the flexible pipe 18 position to the diaphragm that is cut by the diaphragm position by the diaphragm, the flexible pipe 18 is cut by the length of the most flexible pipe is greatly adjusted to the diaphragm, the end face is close to the end face of the diaphragm, the flexible pipe is greatly adjusted to the end face is in the film is cut, the film is greatly flexible and the end is guaranteed.

The two-position five-way valve 12 is a relatively common element for fluid control, and is mainly characterized by comprising an inlet, two outlets and two discharge ports, and can realize the switching between different internal passages by moving the internal components back and forth to switch positions, and belongs to a mature conventional device in the prior art.

The air cylinder A7 and the air cylinder B9 are symmetrically arranged on the mounting frame 6, the air cylinder A7 and the air cylinder B9 synchronously act, and the two air cylinders synchronously act can ensure that the cutter body 4 can effectively cut the film to the maximum limit in a limited time.

Embodiment two: the transverse plate is provided with at least two round holes for installing the fixed air pipe joints 17, the fixed air pipe joints 17 connected with the flexible pipe 18 can be installed at different installation positions according to actual use conditions, or is close to the installation frame 6, or is far away from the installation frame 6, and the specific blowing position is designed according to the punching position and the relative position on the film.

According to the utility model, two cylinders are communicated with an air inlet pipe 16 and an air exhaust pipe by adopting a two-position five-way valve 12, the working principle of a double-acting cylinder is utilized, the air exhausted during the movement of a piston in the cylinder is led into an air blowing pipe A14 and an air blowing pipe B15 through a pipeline and the two-position five-way valve 12, when the two cylinders move downwards simultaneously to perform cutting operation, the air in the air blowing pipe A10 is fed into the two cylinders, the air in the two cylinders enters the two-position five-way valve 12 from the air pipe B11 through a three-way air connector 8, then enters the air blowing pipe B15 through a flexible pipe 18 to blow off the cut film from the two-position five-way valve 12, the cut film is blown off through the flexible pipe 18, when the two cylinders reversely move to reset, the two-position five-way valve 12 acts, the internal passage is switched, the air in the air cylinder is exhausted from the air pipe A10 to enter the two-position five-way valve 12 through the three-way air connector 8, and then enters the air blowing pipe A14 through the flexible pipe 18 to blow off, the operation is performed repeatedly, the air blowing pipe B15 and the flexible pipe 18 connected with the two cylinders are connected with the two air blowing pipes are blown off by the main force of the film to be cut, and the film can be cut off by the film is completely, and the film can be cut off by the film when the film is cut by the film is completely and the film is cut by the film when the film is cut by the film.

According to the utility model, the movably connected cutter body 4, the connecting plate 5 and the air cylinder are adopted, when the punching shape and specification are required to be replaced, the connecting plate 5 with the cutter body 4 with the new shape is directly replaced, the cutter is convenient and quick, meanwhile, the cutter is buckled on the equipment frame through the fixing frame 2, the installation and operation are convenient, compressed air discharged by the air cylinder is utilized to blow the cut film part, the cut film part falls off and is completely separated from the main film, the other erection of an air pipeline is avoided, the equipment structure cost is reduced, the small box of the compressed air is reduced, the utilization rate of the compressed air is improved, the unilateral installation is realized, the installation and maintenance are convenient, the cutter replacement is convenient, the efficiency is improved, the compressed air is reused, and the compressed air consumption is reduced, so that the energy consumption is reduced.

Claims

1. A plastic film mechanism of taking off of punching a hole, its characterized in that: including the backup pad, the bottom both ends of backup pad all are connected with the mount, the cross section of mount is offered the through-hole on "U" shape and one side lateral wall of inversion, the through-hole inboard is provided with fixing bolt, the top of backup pad is connected with the mounting bracket, the cross section of mounting bracket is the "U" shape of horizontal setting, there is the backing plate through bolted connection on the inboard bottom surface of mounting bracket, the upper end of mounting bracket is provided with cylinder A, cylinder B, cylinder A, cylinder B's output all passes the upper side wall of mounting bracket, cylinder A, cylinder B's output outside is provided with the external screw thread and is connected with the connecting plate through the nut, the lower extreme of connecting plate is connected with the cutter body, the mounting bracket up end right-hand member is provided with the subframe including riser, diaphragm, the diaphragm is connected with the mounting bracket through the bolt, there is two-position five-way valve through bolted connection on the riser, the left side from the top down of two-position five-way valve has set gradually A, gas outlet B and right side down has set gradually gas outlet A, gas outlet B all pass through the upper side wall of mounting bracket, the upper side of gas inlet pipe A, gas outlet B and gas connection, gas connection have the air inlet pipe A, gas connection through the air inlet connection, gas connection and air connection have the air inlet connection to the air inlet connection, the air connection to the air connection A has the air connection to the air connection A is connected with the air connection to the air connection B through the air connection to the air connection B.

2. The plastic film punching and stripping mechanism according to claim 1, characterized in that: the air cylinder A and the air cylinder B are symmetrically arranged on the mounting frame.

3. The plastic film punching and stripping mechanism according to claim 1, characterized in that: and the cylinder A and the cylinder B synchronously act.

4. The plastic film punching and stripping mechanism according to claim 1, characterized in that: the fixing frame is arranged on the outer side of the bag making machine frame and is connected through fixing bolts.

5. The plastic film punching and stripping mechanism according to claim 1, characterized in that: the cutter body and the connecting plate are connected through bolts.

6. The plastic film punching and stripping mechanism according to claim 5, wherein: the cutter body comprises a top plate, and a cutting edge perpendicular to the top plate is connected to the periphery of the top plate.

7. The plastic film punching and stripping mechanism according to claim 1, characterized in that: the length of the flexible pipe is larger than the distance between the ground of the transverse plate and the upper end face of the backing plate.

8. The plastic film punching and stripping mechanism according to claim 1, characterized in that: the transverse plate is provided with at least two round holes for installing the air connectors.