CN111300532A

CN111300532A - Plastic film perforating machine

Info

Publication number: CN111300532A
Application number: CN202010241792.7A
Authority: CN
Inventors: 谢建新
Original assignee: Wenzhou Tuobai Machinery Co Ltd
Current assignee: Wenzhou Tuobai Machinery Co Ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-06-19

Abstract

The invention discloses a plastic film perforating machine which comprises a film releasing device, a winding device, a cutting device and a perforating device and is characterized in that the winding device comprises a rotating support and a film end fixing mechanism, the cutting device comprises a cutting tool for transversely cutting the rear side of a wound film, a film clamping mechanical arm A for sending the end of the film into the film end fixing mechanism is arranged on a film running path on the rear side of the winding device, the cutting tool is arranged between the film clamping mechanical arm A and the rotating support, and a film clamping mechanical arm B for clamping the film on the winding support and sending the film into the perforating device is arranged on the front side of the winding device. The film clamping mechanical arm A can clamp the end part of the plastic film and send the plastic film into the film end part fixing mechanism for fixing, the winding support rotates to wind the film, the film is cut by the cutting tool after being wound for a certain number of windings, and the plastic film clamped and cut by the film clamping mechanical arm B is sent into the punching device for punching, so that a plurality of plastic films can be punched at one time.

Description

Plastic film perforating machine

Technical Field

The invention relates to the field of plastic film processing, in particular to a plastic film punching machine.

Background

Films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins are currently used mainly for packaging and as a film coating. In general, the plastic film is in the shape of a continuous strip after being actually produced, and needs to be wound on a roll to form a roll structure during packaging and transportation. Plastic films for packaging often also need to be perforated. Current drilling equipment generally need carry out the blowing to the plastic film of package, and is put the plastic film open, then punches with the puncher, but the work efficiency that the hole was once beaten to the individual layer film is extremely low, in order to improve the speed of punching, general workman can carry out a lot of with plastic film and fold, then punches again, so not only can increase the cost of labor, and the benefit that it brought does not have big promotion moreover.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a plastic film punching machine.

In order to solve the technical problems, the invention is realized by adopting the following technical scheme: the plastic film perforating machine comprises a film unwinding device, a winding device, a cutting device and a perforating device, and is characterized in that the winding device comprises a rotary support for winding a film and a film end fixing mechanism arranged on the rotary support, the cutting device comprises a cutting tool for transversely cutting the rear side of the wound film, a film clamping mechanical arm A for sending the end of the film into the film end fixing mechanism is arranged on a film running path of the rear side of the wound package, the cutting tool is arranged between the film clamping mechanical arm A and the rotary support, a film clamping mechanical arm B for clamping the film wound on the winding support and sending the film into the perforating device is arranged on the front side of the winding device, and the film end fixing mechanism is close to the film clamping mechanical arm A when the rotary support stops rotating.

The film end fixing mechanism comprises two clamping plates and a clamping plate cylinder for driving the two clamping plates to be opened.

Splint are equipped with splint A and splint B, splint A hugs closely splint B under the spring action of spring, splint A both ends are outwards extended and are equipped with extension portion, the actuating lever of splint cylinder acts on splint A's extension portion, splint B is kept away from to the actuating lever promotion splint A of splint cylinder.

The splint are equipped with splint A and splint B, the actuating lever and the splint A transmission of splint cylinder are connected, the actuating lever drives splint A and moves for splint B.

The rotating bracket comprises a rotating main shaft and a plurality of winding rods arranged around the rotating main shaft.

At least one film guide roller is arranged between the film releasing device and the winding device, and the film clamping mechanical arm A is arranged on a film running path between the film guide roller and the rotary support.

The film clamping mechanical hand A is driven by the cylinder A to move left and right, the cylinder A is arranged on the rotating block, the rotating block is driven by the cylinder B to rotate around the supporting rod, and the film clamping mechanical hand A is provided with a left pair and a right pair which are symmetrical to each other.

The film clamping mechanical hand B is arranged on a sliding seat, the sliding seat is arranged on a sliding rail in a front-to-front sliding mode, the sliding rail extends from the front side of a winding support to the front side of the punching device, the film clamping mechanical hand B is driven by a power source B to move left and right, and the film clamping mechanical hand B is arranged in a left pair and a right pair and is symmetrical to each other.

The cutting tool is a rotary cutter disc which is arranged on a sliding plate, and the sliding plate is arranged on the guide rail in a left-right sliding manner.

The guide rail is arranged between the two side plates, the side plates are connected with the guide rod in a sliding mode, and the side plates move back and forth along the guide rod.

The invention has the beneficial effects that: film clamping mechanical hand A can send into film tip fixed establishment with plastic film tip centre gripping, press from both sides tightly the plastic film tip by film tip fixed establishment, it can be around rolling up the film to rotate around a roll support, cut by cutting tool after rolling up a certain number of books, plastic film after film clamping mechanical hand B centre gripping cutting sends into perforating device and punches, just so once can punch a plurality of plastic film, so not only punch efficiently, but also increase the function of cutting banding plastic film, follow-up packing speed has been improved greatly.

Drawings

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

FIG. 2 is a schematic view of a winding device;

FIG. 3 is a schematic structural view of a film clamping robot A;

FIG. 4 is a schematic view of a winding;

fig. 5 shows a punched product.

Detailed Description

Referring to the drawings, the plastic film perforating machine comprises a film releasing device 1, a winding device 2, a cutting device 3 and a perforating device 4, in this embodiment, the film releasing device 1, the cutting device 3, the winding device 2 and the perforating device 4 are sequentially arranged, the conveying direction of a plastic film is appointed to be the front, the winding device 2 comprises a rotating support 21 for winding the film and a film end fixing mechanism 22 arranged on the rotating support, the film end fixing mechanism 22 can adopt a mode of clamping the film by a manipulator, can also adopt a clamping plate or a clamping block for clamping the plastic film, and of course, can also adopt a sticker for pasting and fixing the end of the plastic film.

The cutting device 3 comprises a cutting tool 31 for transversely cutting the rear side of the wound film, the cutting tool 31 can adopt a scissor cutting mode or a cutter cutting mode, in the embodiment, the cutting tool 31 is a rotary disc cutter, and the film is cut in the high-speed rotating process.

The film feeding path at the rear side of the winding device 2 is provided with a film clamping mechanical hand A5 for feeding the end part of the film into the film end part fixing mechanism 22, and the cutting tool 31 is arranged between the film clamping mechanical hand A5 and the rotating support 21, so that the cutting tool 31 can cut the wound film and can also cut the wound film from the film which is not wound, and the film clamping mechanical hand A5 can clamp the disconnected end part of the film and feed the end part of the film into the film end part fixing mechanism 22 for winding the next group of films.

The front side of the winding device 2 is provided with a film clamping manipulator B6 for clamping the film feeding and punching device 4 on the winding support 21, when the rotating support 21 stops rotating, the film end fixing mechanism 22 is close to the film clamping manipulator A5, that is, when the rotating support 21 stops rotating, the film clamping manipulator A5 can always clamp the film end and feed the film end into the film end fixing mechanism 22, because the film clamping manipulator A5 is positioned at the rear side of the winding support 21, the film end fixing mechanism 22 must face the rear side after stopping, so that the film end fixing mechanism is opposite to the film clamping manipulator A5.

When the film clamping mechanical arm A5 clamps the end part of the plastic film and sends the end part of the plastic film into the film end part fixing mechanism 22, after the end part of the plastic film is clamped by the film end part fixing mechanism, the winding support 21 rotates to wind the film, the film is cut by the cutting tool 31 after being wound for a certain number of windings, the plastic film clamped and cut by the film clamping mechanical arm B6 is sent into the punching device 4 to be punched, and a plurality of plastic films can be punched at one time.

The film end fixing mechanism 22 includes two clamping plates and a clamping plate cylinder 221 for driving the two clamping plates to open. Two examples are illustrated for the film end fixing mechanism:

example A: splint are equipped with splint A222 and splint B223, splint A222 both ends are outwards extended and are equipped with extension portion 2221, splint cylinder 221 is fixed in the frame and is located the posterolateral side of two splint, the actuating lever of splint cylinder 221 acts on splint A's extension portion 2221, splint cylinder 221's actuating lever promotes splint A222 and keeps away from splint B223, is the open mode, and splint cylinder 221's actuating lever returns, and splint B223 is hugged closely to splint A222 under spring 224's effect, is the clamping status.

Example B: the clamp plate is provided with a clamp plate A and a clamp plate B, the clamp plate cylinder is fixed on the coil stock support and cut to rotate along with the coil stock support, a driving rod of the clamp plate cylinder is in transmission connection with the clamp plate A, and the driving rod drives the clamp plate A to move relative to the clamp plate B.

The rotating bracket 21 comprises a rotating main shaft 211 and a plurality of winding rods 212 arranged around the rotating main shaft, and the rotating bracket 21 can also adopt a rotating frame structure.

At least one film guide roller 7 is arranged between the film releasing device 1 and the winding device 2, the plastic film is tensioned by the rotary support 21 and the film guide roller 7, and the film clamping mechanical arm A5 is arranged on a film moving path between the film guide roller 7 and the rotary support 21, so that the film clamping mechanical arm A5 can clamp the plastic film and must clamp the plastic film before the cutting tool 31 cuts the plastic film, and the phenomenon that the end part of the film falls off to cause separation from the clamping range of the film clamping mechanical arm A after the plastic film is cut by the cutting tool can be prevented.

The film clamping mechanical arm A5 is driven by a cylinder A51 to move left and right (move transversely), the cylinder A51 is arranged on a rotating block 52, the rotating block 52 is driven by a cylinder B53 to rotate around a supporting rod 54, the film clamping mechanical arm A5 is provided with a left pair and a right pair which are symmetrical to each other, and the rotating block rotates to enable the film clamping mechanical arm A to send the end part of a film into a space between a clamping plate A and a clamping plate B.

Press from both sides membrane manipulator B6 and locate on sliding seat 61, slide seat 61 slides before the back and locates on slide rail 62, slide rail 62 is extended to perforating device 4 front side by winding support 21 front side for press from both sides membrane manipulator B6 is along slide rail 62 back and forth round trip movement, can be with the film centre gripping on winding support 21 and send into perforating device 4, press from both sides membrane manipulator B6 and remove about (lateral shifting) by power supply B (not drawn in the figure) drive, press from both sides membrane manipulator B6 and be equipped with about two pairs and mutual symmetry.

The cutting tool 31 is a rotary disc cutter, the rotary disc cutter 31 is arranged on a sliding plate 32, the sliding plate 32 is arranged on a guide rail 33 in a left-right sliding mode, when the plastic film is cut, the rotary disc cutter rotates at a high speed and slides along the guide rail, transverse cutting is achieved, and the film wound by multiple layers is cut off.

The guide rail 33 is arranged between the two side plates 34, the side plates 34 are connected with the guide rod 35 in a sliding mode, the side plates 34 move back and forth along the guide rod 35, and the distance between the rotary disc cutter and the winding support can be adjusted through back and forth movement.

In addition, the film clamping mechanical hand A5 is connected with the two side plates 34, and when the two side plates 34 move back and forth to adjust the distance, the distance between the film clamping mechanical hand A and the clamping plate is also adjusted.

The punching device 4 comprises an upper die 41 and a lower die 42, a plurality of punching knives which are uniformly distributed are arranged on the lower end face of the upper die, holes corresponding to the punching knives are formed in the lower die, and the upper die moves up and down under the driving of a power source to punch.

The working principle is as follows: the unwinding device discharges coiled materials of plastic films, a traveling film is fed through a film guide roller, two pairs of film clamping mechanical arms A respectively clamp two ends of the end part of the film, a rotating block rotates to send the end part of the film between an opened clamping plate A and an opened clamping plate B, a driving rod of a clamping plate cylinder retracts, the clamping plate A and the clamping plate B clamp the end part of the film, the two pairs of film clamping mechanical arms A release the end part of the film and move outwards, the rotating block rotates to drive the film clamping mechanical arms A to reset to a film traveling path between the film guide roller and a rotating support, the rotating support stops after rotating for a plurality of circles, the two pairs of film clamping mechanical arms B relatively move to clamp the film on a winding support, the clamping plate cylinder pushes the clamping plate A to open the clamping plate A and the clamping plate B, the two pairs of film clamping mechanical arms A relatively move to clamp the film, then, the rotating disc cutter rotates at a high speed and moves along a guide, and then, the film clamping mechanical arm B clamps the film on the winding support and moves forwards to feed the film into the punching device, meanwhile, the film clamping mechanical arm A clamps the end part of the film and feeds the end part of the film between the clamping plate A and the clamping plate B, and the clamping plate A and the clamping plate B clamp the rotating support to rotate for winding in the next round.

Claims

1. The plastic film perforating machine comprises a film unwinding device, a winding device, a cutting device and a perforating device, and is characterized in that the winding device comprises a rotary support for winding a film and a film end fixing mechanism arranged on the rotary support, the cutting device comprises a cutting tool for transversely cutting the rear side of the wound film, a film clamping mechanical arm A for sending the end of the film into the film end fixing mechanism is arranged on a film running path of the rear side of the wound package, the cutting tool is arranged between the film clamping mechanical arm A and the rotary support, a film clamping mechanical arm B for clamping the film wound on the winding support and sending the film into the perforating device is arranged on the front side of the winding device, and the film end fixing mechanism is close to the film clamping mechanical arm A when the rotary support stops rotating.

2. The plastic film hole punch according to claim 1, wherein the film end fixing mechanism comprises two clamping jaws and a jaw cylinder for driving the two clamping jaws open.

3. The plastic film perforating machine as claimed in claim 2, wherein the clamping plate is provided with a clamping plate A and a clamping plate B, the clamping plate A is tightly attached to the clamping plate B under the elastic force of the spring, the two ends of the clamping plate A are provided with an extension part in an outward extending manner, the driving rod of the clamping plate cylinder acts on the extension part of the clamping plate A, and the driving rod of the clamping plate cylinder pushes the clamping plate A away from the clamping plate B.

4. The plastic film perforating machine as claimed in claim 2, wherein the clamping plate is provided with a clamping plate A and a clamping plate B, and the driving rod of the clamping plate cylinder is in transmission connection with the clamping plate A, and the driving rod drives the clamping plate A to move relative to the clamping plate B.

5. The plastic film hole punch according to claim 1, wherein the rotary support includes a rotary spindle and a plurality of winding rods disposed about the rotary spindle.

6. The plastic film perforating machine as claimed in claim 1, wherein at least one film guide roller is disposed between the film unwinding device and the film winding device, and the film clamping robot a is disposed on a film running path between the film guide roller and the rotary support.

7. The plastic film perforating machine as claimed in claim 6, wherein the film clamping robot A is driven by a cylinder A to move left and right, the cylinder A is arranged on a rotating block, the rotating block is driven by a cylinder B to rotate around a support rod, and the film clamping robot A is provided with a left pair and a right pair which are symmetrical to each other.

8. The plastic film perforating machine as claimed in claim 1, wherein the film clamping robot B is disposed on a sliding base, the sliding base is slidably disposed on a sliding rail at the rear and the front, the sliding rail extends from the front side of the winding support to the front side of the perforating device, the film clamping robot B is driven by a power source B to move left and right, and the film clamping robot B has two pairs of left and right symmetrical to each other.

9. The plastic film perforating machine as recited in claim 1, wherein the cutting tool is a rotary cutter disk, the rotary cutter disk is disposed on a slide plate, and the slide plate is slidably disposed on the guide rail.

10. The plastic film hole punch according to claim 9, wherein the guide rail is disposed between two side plates, the side plates are slidably connected to the guide bar, and the side plates move back and forth along the guide bar.