CN112976152A

CN112976152A - Plastic film perforating device convenient for replacing perforating needle

Info

Publication number: CN112976152A
Application number: CN202110143534.XA
Authority: CN
Inventors: 徐芝芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-06-18

Abstract

The invention relates to the technical field of films and discloses a plastic film punching device convenient for replacing a punching needle, which comprises a roller and the punching needle, wherein the upper end of the roller is rotatably connected with a first long rod, the surface of the first long rod is rotatably connected with a control rod, the surface of the control rod is provided with a first notch, a first stop block is slidably connected inside the control rod and in the first notch, and the bottom of the control rod is provided with a first stop rod. This conveniently change plastic film perforating device of perforating needle, make first dog slide in first notch through perforating needle extrusion second shelves pole, the control lever drives first stock rotation messenger first pin and second stop lever rotation, make the second dog rotatory and block in the perforating needle through pressing first shelves pole, the position of fixed perforating needle, slide in first stock through pressing the movable rod, make second notch align with first push rod, loosen the fixed to the perforating needle, thereby reached and changed the convenient effect of perforating needle.

Description

Plastic film perforating device convenient for replacing perforating needle

Technical Field

The invention relates to the technical field of films, in particular to a plastic film punching device with a punching needle convenient to replace.

Background

With the continuous development of social and economic conditions, plastic films and plastic film products occupy more and more space in the market and widely relate to various fields, wherein the plastic films are made of polyvinyl chloride, polyethylene and other resins and are processed by a series of related devices, and the plastic films comprise plastic film perforating devices.

Perforating device on the present market is of a great variety, generally lack the change perforating needle device, the cylinder is on the surface perforating needle under long-term use, partial perforating needle can take place wearing and tearing, but the perforating needle on the market welds basically on the cylinder on the surface, lead to being not convenient for change, do not have detection device simultaneously, light leans on eyes to find out incomplete perforating needle from the cylinder, this will increase staff's work burden, we have proposed a convenient plastic film perforating device who changes the perforating needle for this reason and have solved above problem.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the plastic film perforating device with the perforating needle convenient to replace, which has the advantages of replacing a perforating needle device and a detecting device and solves the problems that the existing perforating device is lack of a perforating needle replacing device and a detecting device.

(II) technical scheme

In order to achieve the purpose of replacing the punching needle device and the detection device, the invention provides the following technical scheme: a plastic film perforating device convenient for replacing perforating needles comprises a roller and perforating needles, wherein the upper end of the roller is rotatably connected with a first long rod, the surface of the first long rod is rotatably connected with a control rod, the surface of the control rod is provided with a first notch, a first stop block is arranged in the control rod and is slidably connected in the first notch, the bottom of the control rod is provided with a first stop rod, the bottom of the first stop rod is provided with a second stop rod, the inside of the second stop rod is slidably connected with a first push rod, one end of the first push rod, which is close to the first long rod, is provided with a movable rod, the surface of the movable rod is provided with a second notch, the upper end of the perforating needle is provided with a second push rod, the upper part of the second push rod is provided with a push block, the inside of the push block is provided with a third notch, one end of the push block, which is far away from the control rod, the upper part of the movable contact is provided with a fixed contact, and the surface of the second long rod is fixedly connected with a clamping block.

Preferably, the first stop block corresponds to a first notch in the control rod, and the first stop block slides in the first notch, so that the control rod drives the first long rod to rotate in the roller.

Preferably, the movable bar is slidably connected at the bottom end of the first long bar, and the first push bar is moved leftward within the second bar by pressing the movable bar to move upward so that the second notch on the surface thereof is aligned with the first push bar.

Preferably, the upper end of the second push rod is connected in a sliding manner in a third notch of the push block, and the second push rod slides in the third notch, so that the second push rod drives the push block to move rightwards in the roller.

Preferably, the push block is matched with a clamping block on the surface of the second long rod in the roller, and when the push block extrudes the clamping block, the movable contact at the upper end of the second long rod cannot be contacted with the fixed contact.

Preferably, first shelves pole symmetry sets up in the cylinder, drives first dog through the first shelves pole of extrusion and slides at first notch to make first stock drive first shelves pole and second shelves pole direction of rotation, and make second shelves pole joint in the notch on the punching needle surface, play the effect of fixed punching needle.

(III) advantageous effects

Compared with the prior art, the invention provides the plastic film perforating device with the perforating needle convenient to replace, which has the following beneficial effects:

1. this conveniently change plastic film perforating device of perforating needle, make first stock drive first dog slide in first notch through perforating needle extrusion second shelves pole, the control lever drives first stock rotation messenger first shelves pole and second shelves pole rotation, then through pressing first shelves pole once more, make second dog card in the notch on perforating needle surface, the position of fixed perforating needle, slide in first stock through pressing the movable rod, make the second notch align with first push rod, thereby loosen the fixed to perforating needle, thereby reached and changed the convenient effect of perforating needle.

2. This conveniently change plastic film perforating device of perforating needle, the perforating needle slides in the second notch through the extrusion second push rod to make the ejector pad remove to second stock direction in the cylinder, because the damaged upwards sliding distance of perforating needle shortens, consequently the ejector pad can not support and block the surperficial fixture block of second stock, thereby make the surperficial movable contact of second stock and fixed contact and open the warning light, thereby reached the effect that detects the perforating needle.

Drawings

FIG. 1 is a schematic view of the internal structure of a drum according to the present invention;

FIG. 2 is an enlarged view of the second stopper in the initial state;

FIG. 3 is an enlarged view of the second stopper in motion state according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1;

fig. 5 is an enlarged view of the structure at B in fig. 1.

In the figure: 1. a drum; 2. a perforating needle; 3. a first long rod; 4. a control lever; 5. a first notch; 6. a first stopper; 7. a first shift lever; 8. a second shift lever; 9. a first push rod; 10. a movable rod; 11. a second notch; 12. a second push rod; 13. a push block; 14. a third notch; 15. a second long rod; 16. a movable contact; 17. a fixed contact; 18. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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. 1-5, a plastic film perforating device facilitating the replacement of perforating needles comprises a roller 1 and perforating needles 2, wherein the upper end of the roller 1 is rotatably connected with a first long rod 3, the surface of the first long rod 3 is rotatably connected with a control rod 4, the surface of the control rod 4 is provided with a first notch 5, a first stop block 6 is arranged inside the control rod 4 and is slidably connected in the first notch 5, the first stop block 6 corresponds to the first notch 5 in the control rod 4, the first stop block 6 slides in the first notch 5, so that the control rod 4 drives the first long rod 3 to rotate in the roller 1, the bottom of the control rod 4 is provided with a first stop lever 7, the first stop levers 7 are symmetrically arranged in the roller 1, the first stop lever 7 is extruded to drive the first stop block 6 to slide in the first notch 5, so that the first long rod 3 drives the first stop lever 7 and a second stop lever 8 to rotate, and make second shelves 8 joint in the notch on the perforating needle 2 surface, play the effect of fixed perforating needle 2.

First shelves 7 bottoms is provided with second shelves pole 8, 8 internal sliding connection of second shelves pole has first push rod 9, first push rod 9 is close to the one end of first stock 3 and is provided with movable rod 10, movable rod 10 is at 3 bottom sliding connection of first stock, through pressing movable rod 10 upwards removal, thereby make second notch 11 on its surface align with first push rod 9, make first push rod 9 remove to the left in second shelves pole 8, second notch 11 has been seted up on movable rod 10 surface, the 2 upper ends of perforating needle are provided with second push rod 12, second push rod 12 upper end is at the 14 internal sliding connection of third notch of ejector pad 13, slide in third notch 14 through second push rod 12, thereby make second push rod 12 drive ejector pad 13 and remove to the right in cylinder 1.

The upper portion of the second push rod 12 is provided with a push block 13, the push block 13 is matched with a clamping block 18 on the surface of the second long rod 15 in the roller 1, when the push block 13 extrudes the clamping block 18, a movable contact 16 at the upper end of the second long rod 15 cannot be contacted with a fixed contact 17, a third notch 14 is formed in the push block 13, one end of the push block 13, which is far away from the control rod 4, is provided with the second long rod 15, the upper end of the second long rod 15 is fixedly connected with the movable contact 16, the upper portion of the movable contact 16 is provided with the fixed contact 17, and the surface of the second long rod 15 is fixedly connected with.

The working principle is as follows: the plastic film perforating device convenient for replacing the perforating needle comprises a first notch 5, a control rod 4, a first long rod 3, a second notch 8, a first stop block 6, a second stop block 7, a second notch 5, a first notch 5, a second notch 8, a second notch 9, a second stop block 8, a second notch 9, a second notch 11, a second push rod 9, a third notch 11, a fourth notch 9, a fourth notch 3, a fifth notch 7, a sixth notch 7, a fifth notch 8, a fifth notch 7, a sixth notch 8, a fifth notch 9, a fourth notch 9, a spring, a fourth notch 9, a, thereby reached and changed the convenient effect of perforating needle 2, prevented the extravagant phenomenon of material.

Secondly, when 2 bottom damages of perforating needle, perforating needle 2 receives the extrusion rebound at the during operation, perforating needle 2 is through the extrusion second push rod 12 rebound, slide in second notch 11 through second push rod 12, second notch 11 has been seted up to ejector pad 13 inside, thereby make ejector pad 13 remove to 15 directions of second stock in cylinder 1, because 2 damaged rebound sliding distance of perforating needle shortens, consequently ejector pad 13 can not support and block 15 surperficial fixture blocks 18 of second stock, thereby make 15 surperficial movable contact 16 of second stock contact with fixed contact 17, open the warning light and remind the staff in time to change the perforating needle, thereby reached the effect that detects the perforating needle, alleviate staff's work burden.

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

Claims

1. The utility model provides a conveniently change plastic film perforating device of perforating needle, includes cylinder (1) and perforating needle (2), its characterized in that: the upper end of the roller (1) is rotatably connected with a first long rod (3), the surface of the first long rod (3) is rotatably connected with a control rod (4), a first notch (5) is formed in the surface of the control rod (4), a first stop block (6) is arranged inside the control rod (4) and slidably connected in the first notch (5), a first stop rod (7) is arranged at the bottom of the control rod (4), a second stop rod (8) is arranged at the bottom of the first stop rod (7), a first push rod (9) is slidably connected in the second stop rod (8), a movable rod (10) is arranged at one end, close to the first long rod (3), of the first push rod (9), a second notch (11) is formed in the surface of the movable rod (10), a second push rod (12) is arranged at the upper end of the punching needle (2), a push block (13) is arranged at the upper part of the second push rod (12), the third notch (14) has been seted up to ejector pad (13) inside, the one end that control lever (4) were kept away from in ejector pad (13) is provided with second stock (15), second stock (15) upper end fixedly connected with movable contact (16), movable contact (16) upper portion is provided with fixed contact (17), second stock (15) fixed surface is connected with fixture block (18).

2. The plastic film perforating device capable of conveniently replacing the perforating needle as claimed in claim 1, wherein: the first stop block (6) corresponds to a first notch (5) in the control rod (4).

3. The plastic film perforating device capable of conveniently replacing the perforating needle as claimed in claim 1, wherein: the movable rod (10) is connected with the bottom end of the first long rod (3) in a sliding mode.

4. The plastic film perforating device capable of conveniently replacing the perforating needle as claimed in claim 1, wherein: the upper end of the second push rod (12) is connected in a third notch (14) of the push block (13) in a sliding mode.

5. The plastic film perforating device capable of conveniently replacing the perforating needle as claimed in claim 1, wherein: the push block (13) is matched with a clamping block (18) on the surface of the second long rod (15) in the roller (1).

6. The plastic film perforating device capable of conveniently replacing the perforating needle as claimed in claim 1, wherein: the first gear rods (7) are symmetrically arranged in the roller (1).