阅读说明：本技术 一种pvc膜片的切膜装置及切膜方法 (PVC diaphragm cutting device and method ) 是由 吕秀波 黄继鹏 张景州 秦宏平 张庆军 彭家启 于 2019-09-28 设计创作，主要内容包括：一种PVC膜片的切膜装置,所述切膜装置包括切膜架和若干带有不同形状和大小模孔的刀模,切膜架上设置有便于刀模防止的切膜平台,切膜平台的正上方安装有与刀模配合进行切膜的模具挡块和用于驱动模具挡块上下移动的动力机构,动力机构固定安装在切膜架上,模具挡块固定安装在动力机构的输出端；所述切膜平台的下方还安装有便于将切好的膜片进行吸取收集的吸膜机构。该切膜装置设计合理、安全可靠,不仅能够保证切割的PVC膜片形状的一致性,而且可以根据实际需要将PVC膜片切割成想要的形状。(A film cutting device for PVC (polyvinyl chloride) diaphragms comprises a film cutting frame and a plurality of cutting dies with die holes of different shapes and sizes, wherein the film cutting frame is provided with a film cutting platform convenient for the cutting dies to prevent, a die stop block matched with the cutting dies for cutting films and a power mechanism for driving the die stop block to move up and down are arranged right above the film cutting platform, the power mechanism is fixedly arranged on the film cutting frame, and the die stop block is fixedly arranged at the output end of the power mechanism; and a film sucking mechanism which is convenient for sucking and collecting the cut film is also arranged below the film cutting platform. This cut membrane device reasonable in design, safe and reliable not only can guarantee the uniformity of the PVC diaphragm shape of cutting, can cut into the shape that wants with the PVC diaphragm according to actual need moreover.)

1. The utility model provides a PVC diaphragm cut membrane device which characterized in that: the film cutting device comprises a film cutting frame and a plurality of cutting dies with die holes of different shapes and sizes, a film cutting platform convenient for the cutting dies to prevent is arranged on the film cutting frame, a die stop block matched with the cutting dies to cut films and a power mechanism used for driving the die stop block to move up and down are arranged right above the film cutting platform, the power mechanism is fixedly arranged on the film cutting frame, and the die stop block is fixedly arranged at the output end of the power mechanism; and a film sucking mechanism which is convenient for sucking and collecting the cut film is also arranged below the film cutting platform.

2. The PVC membrane cutting device according to claim 1, wherein: the middle part of the film cutting platform is provided with a hole convenient for installing a cutting die, an inner ring platform for supporting the cutting die is further arranged on the film cutting platform in the hole, and a balance bolt for fixing the cutting die is further transversely screwed on the film cutting platform at the side part of the hole.

3. the PVC membrane cutting device according to claim 1, wherein: inhale membrane mechanism and include that inhale membrane case and negative pressure produce the device, inhale the top of membrane case and be provided with and inhale the membrane mouth, inhale the bottom of membrane case and be provided with a plurality of membrane holes of inhaling, inhale the membrane hole and all communicate with the negative pressure suction mouth of negative pressure production device.

4. The PVC membrane cutting device according to claim 1, wherein: the film cutting device further comprises a controller used for controlling the whole device to automatically run, the controller is fixedly mounted on the film cutting frame through a control box, and the power mechanism and the film suction mechanism are both connected with the output end of the controller.

5. The PVC membrane cutting device according to claim 1, wherein: cut and still install infrared protection device on the membrane frame, infrared protection device is including respectively fixed mounting at the infrared transmitter and the infrared receiver who cuts membrane frame both sides.

6. the PVC membrane cutting device according to claim 1, wherein: the power mechanism comprises a driving cylinder which is externally connected with a high-pressure air source.

7. The PVC membrane cutting device according to claim 1, wherein: the bottom of the die stop block is also provided with a protective layer for reducing abrasion between the die stop block and the cutting die, and the protective layer is made of polyurethane materials.

8. The PVC membrane cutting device according to claim 1, wherein: the cutting die is made of stainless steel.

9. A PVC membrane cutting method is characterized in that: the method uses the PVC membrane cutting device of any one of claims 1 to 8, and comprises the following steps:

(1) selecting a proper cutting die according to actual requirements, and fixedly installing the cutting die on a film cutting platform;

(2) Placing a PVC membrane to be cut on a cutting die, and enabling the PVC membrane to cover a die hole;

(3) opening a power mechanism to drive a die stop block to descend, and cutting the PVC membrane along the shape of the die hole after the die stop block collides with the cutting die;

(4) The film suction mechanism acts, negative pressure suction is carried out on the cut film through negative pressure generated, so that the cut film is sucked onto the film suction mechanism, and when a certain amount of film is stored on the film suction mechanism, the film is taken down;

(5) The PVC membrane is cut into different shapes according to actual requirements by the reciprocating circulation.

Technical Field

The invention relates to the technical field of cutting equipment, in particular to a film cutting device for a PVC (polyvinyl chloride) film and a film cutting method of the film cutting device for the PVC film.

Background

PVC, namely polyvinyl chloride, is one of the plastic products with the largest output in the world, and has low price and wide application.

The existing process for cutting the PVC membrane generally adopts scissors or a paper cutter to cut, so that the cutting speed is high, but the potential safety hazard exists in the cutting process of an operator, and the consistency of the shape cannot be ensured. Aiming at the problem, according to the practical situation, the pneumatic PVC membrane cutting equipment is invented, and the equipment not only can ensure the safety of personnel, but also can ensure the consistency of the shape of a product.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a PVC membrane cutting device which can ensure the safety of personnel and the shape consistency of products.

The invention aims to solve another technical problem of providing a film cutting method of a PVC film.

the technical problem to be solved by the present invention is achieved by the following technical means. The invention relates to a film cutting device for a PVC (polyvinyl chloride) film, which comprises a film cutting frame and a plurality of cutting dies with die holes of different shapes and sizes, wherein the film cutting frame is provided with a film cutting platform convenient for the cutting dies to prevent, a die stop block matched with the cutting dies for cutting films and a power mechanism for driving the die stop block to move up and down are arranged right above the film cutting platform, the power mechanism is fixedly arranged on the film cutting frame, and the die stop block is fixedly arranged at the output end of the power mechanism; and a film sucking mechanism which is convenient for sucking and collecting the cut film is also arranged below the film cutting platform.

The technical problem to be solved by the invention can be further realized by the following technical scheme that for the film cutting device for the PVC diaphragm, the middle part of the film cutting platform is provided with an opening convenient for installing a cutting die, the film cutting platform in the opening is also provided with an inner ring platform for supporting the cutting die, and the film cutting platform at the side part of the opening is also transversely screwed with a balance bolt for fixing the cutting die.

The technical problem to be solved by the invention can be further realized by the following technical scheme that for the film cutting device of the PVC film, the film suction mechanism comprises a film suction box and a negative pressure generating device, the top of the film suction box is provided with a film suction port, the bottom of the film suction box is provided with a plurality of film suction holes, and the film suction holes are communicated with the negative pressure suction port of the negative pressure generating device.

The technical problem to be solved by the invention can be further realized by the following technical scheme that for the film cutting device of the PVC film, the film cutting device also comprises a controller for controlling the whole device to automatically operate, the controller is fixedly arranged on the film cutting frame through a control box, and a power mechanism and a film suction mechanism are both connected with the output end of the controller.

the technical problem to be solved by the invention can be further realized by the following technical scheme that for the film cutting device of the PVC film, the film cutting frame is also provided with an infrared protection device, and the infrared protection device comprises an infrared emitter and an infrared receiver which are respectively and fixedly arranged on two sides of the film cutting frame.

the technical problem to be solved by the invention can be further realized by the following technical scheme that for the film cutting device of the PVC film, the power mechanism comprises a driving cylinder, and the driving cylinder is externally connected with a high-pressure air source.

the technical problem to be solved by the invention can be further realized by the following technical scheme that for the film cutting device of the PVC film, the bottom of the mold stop block is also provided with a protective layer for reducing abrasion between the mold stop block and the cutting die, and the protective layer is made of polyurethane material.

The technical problem to be solved by the invention can be further realized by the following technical scheme that the cutting die is made of stainless steel for the PVC diaphragm cutting device.

The technical problem to be solved by the invention can be further realized by the following technical scheme, and for the PVC membrane cutting device, the PVC membrane cutting method comprises the following steps:

(1) Selecting a proper cutting die according to actual requirements, and fixedly installing the cutting die on a film cutting platform;

(2) Placing a PVC membrane to be cut on a cutting die, and enabling the PVC membrane to cover a die hole;

(3) opening a power mechanism to drive a die stop block to descend, and cutting the PVC membrane along the shape of the die hole after the die stop block collides with the cutting die;

(4) the film suction mechanism acts, negative pressure suction is carried out on the cut film through negative pressure generated, so that the cut film is sucked onto the film suction mechanism, and when a certain amount of film is stored on the film suction mechanism, the film is taken down;

(5) The PVC membrane is cut into different shapes according to actual requirements by the reciprocating circulation.

Compared with the prior art, the PVC membrane cutting machine has the advantages that the mold stop block is driven by the power mechanism to be matched with the cutting die, so that the PVC membrane is automatically cut, the operation is convenient, and the consistency of the shape of a product can be ensured; meanwhile, a plurality of cutting dies are arranged, and the die holes on each cutting die are different in shape and size, so that the PVC membrane can be conveniently cut into a desired shape according to actual requirements; secondly, install infrared protection device on the frame of cutting the membrane, detect personnel and be close to the back when cutting the membrane, cut off power unit, guarantee personnel's safety. This cut membrane device reasonable in design, safe and reliable not only can guarantee the uniformity of the PVC diaphragm shape of cutting, can cut into the shape that wants with the PVC diaphragm according to actual need moreover.

Drawings

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a cutting die with a circular die hole according to the present invention;

FIG. 3 is a schematic structural diagram of a film cutting platform according to the present invention;

FIG. 4 is a schematic structural view of a film suction mechanism according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

referring to fig. 1-4, the film cutting device for the PVC diaphragm comprises a film cutting frame 1 and a plurality of cutting dies 4 with different shapes and large and small die holes 9, wherein a film cutting platform 5 convenient for the cutting dies 4 to prevent is arranged on the film cutting frame 1, a die stop 3 matched with the cutting dies 4 to cut the film and a power mechanism 2 used for driving the die stop 3 to move up and down are arranged right above the film cutting platform 5, the power mechanism 2 is fixedly arranged on the film cutting frame 1, and the die stop 3 is fixedly arranged at the output end of the power mechanism 2; and a film sucking mechanism 6 which is convenient for sucking and collecting the cut film is also arranged below the film cutting platform 5. The cutting dies 4 are all rectangular, the die holes 9 on each cutting die 4 are different, some die holes 9 are rectangular, some die holes 9 are circular, different and same die holes 9 can be arranged according to actual needs, and PVC diaphragms with different shapes can be conveniently cut; the mould stop block 3 is also in a cuboid shape, the bottom of the mould stop block is a smooth plane, and the mould stop block is convenient to be matched with the cutting die 4 to cut the PVC membrane; inhale membrane mechanism 6 and be used for sucking the PVC diaphragm that the cutting is good after the PVC diaphragm cutting for the PVC diaphragm drops to inhaling on membrane mechanism 6 from cutting die 4, collects, handles in concentrating.

The middle part of the film cutting platform 5 is provided with a hole 10 convenient for installation of the cutting die 4, the film cutting platform 5 in the hole 10 is further provided with an inner ring platform 11 supporting the cutting die 4, and the film cutting platform 5 at the side part of the hole 10 is further transversely screwed with a balance bolt 12 for fixing the cutting die 4. The size of the opening 10 is consistent with that of the cutting die 4, the inner annular table 11 is used for supporting the cutting die 4 from the lower part after the cutting die 4 is placed in the opening 10, the balance bolt 12 is screwed in from the side part of the film cutting platform 5 and screwed out from the side part of the opening 10, and the cutting die 4 is further fixed; the number of the balance bolts 12 is 2, and the balance bolts are respectively screwed on two sides of the film cutting platform 5.

Inhale membrane mechanism 6 and include that inhale membrane case 13 and negative pressure produce the device, inhale the top of membrane case 13 and be provided with and inhale the membrane mouth, inhale the bottom of membrane case 13 and be provided with a plurality of membrane holes, inhale the membrane hole and all communicate with the negative pressure of negative pressure production device and inhale the mouth. The membrane suction box 13 is cuboid, and a funnel-shaped membrane suction cover 14 is fixedly arranged at the membrane suction opening, so that the membrane can be better sucked into the membrane suction box 13; the side part of the film suction box 13 is also provided with a side opening door, so that the film can be conveniently taken out from the film suction box 13; the negative pressure generating device is an exhaust fan 15, the negative pressure suction port is an air suction port, and the exhaust fan 15 exhausts air to the membrane suction box 13 through the air suction port, so that negative pressure is generated in the membrane suction box 13, and the cut membrane is sucked.

This cut membrane device still includes the controller that is used for controlling whole device automatic operation, and the controller adopts prior art's PLC or CPU treater, and the controller passes through control box 8 fixed mounting on cutting membrane frame 1, and power unit 2 all is connected with the output of controller with inhaling membrane mechanism 6. The controller controls the automatic operation of the whole device, so that the device is convenient for workers to operate and ensures the consistency of the PVC diaphragms.

cut and still install infrared protection device 7 on the membrane frame 1, infrared protection device 7 is including respectively fixed mounting at the infrared transmitter and the infrared receiver of cutting membrane frame 1 both sides. The infrared protection device 7 is used for monitoring when the film cutting device operates, and when an operator approaches, the device stops operating to ensure safety; infrared emitter is used for the transmission infrared ray, and infrared receiver is used for receiving the infrared ray, and when having the object between infrared emitter and infrared receiver, the infrared ray is blockked, and infrared receiver can not receive the infrared ray, will trigger signal for power unit 2 stop operation avoids accidental injury operating personnel.

The power mechanism 2 comprises a driving cylinder which is externally connected with a high-pressure air source. Drive the vertical fixed mounting of actuating cylinder and on cutting membrane frame 1 of film platform 5 tops, drive the output of actuating cylinder and upwards set up, the horizontal fixed mounting of mould dog 3 drives the output of actuating cylinder.

The bottom of the mould stop block 3 is also provided with a protective layer for reducing abrasion between the mould stop block 3 and the cutting die 4, and the protective layer is made of polyurethane materials. The protective layer is arranged so that the die stopper 3 is not easily damaged when colliding with the cutting die 4, and the cutting die 4 is not easily damaged.

The cutting die 4 is made of stainless steel, is firm and reliable and has long service life.

a PVC membrane cutting method comprises the following steps:

(1) Selecting a proper cutting die according to actual requirements, and fixedly installing the cutting die on a film cutting platform;

(2) Placing a PVC membrane to be cut on a cutting die, and enabling the PVC membrane to cover a die hole;

(3) Opening a power mechanism to drive a die stop block to descend, and cutting the PVC membrane along the shape of the die hole after the die stop block collides with the cutting die;

(4) the film suction mechanism acts, negative pressure suction is carried out on the cut film through negative pressure generated, so that the cut film is sucked onto the film suction mechanism, and when a certain amount of film is stored on the film suction mechanism, the film is taken down;

(5) The PVC membrane is cut into different shapes according to actual requirements by the reciprocating circulation.