Ejection jig for PET spraying protection sticker

By designing a PET coating protective sticker ejection fixture, the coated PET protective sticker can be automatically detached using a pressing cylinder and ejector pin structure. This solves the problem of tedious manual peeling, improves production efficiency, and prevents sticker damage.

CN223717417UActive Publication Date: 2025-12-26GUANGDONG EMERY IND CO LTD
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Patent Information

Application Number
CN202423259701.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-26
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Currently, after the coating process, the PET coating protective sticker needs to be manually peeled off, resulting in low production efficiency.

Method used

Design a PET spray coating protective sticker ejection fixture that automatically removes the PET spray coating protective sticker applied to the sprayed product after spraying using a pressure cylinder and ejector pin structure, combined with a thin spring and force plate structure to prevent the sticker from being punctured.

Benefits of technology

It enables the automatic removal of PET protective stickers after spraying, improving production efficiency, preventing stickers from being punctured, and enhancing the automation level of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PET spraying protection sticker ejection jig which comprises a base, an ejector pin positioning plate is fixedly arranged on the upper end face of the base, guide columns are fixedly arranged at the four end corners of the upper end face of the ejector pin positioning plate respectively, and springs are arranged on the outer surfaces of the guide columns in a sleeved mode. A clamp positioning plate is arranged on the upper end faces of the four guide columns, the guide columns and the clamp positioning plate are movably connected through sockets, a spraying clamp is fixedly arranged on the upper end face of the clamp positioning plate, and a plurality of fixing grooves are formed in the upper end face of the spraying clamp. A plurality of ejector pins fixed to the upper end face of the ejector pin positioning plate are arranged below each fixing groove. A spraying product is fixedly arranged in the fixing groove closest to the front end face of the clamp positioning plate. The PET spraying protection sticker attached to the upper end face of a product to be sprayed before spraying treatment can be automatically torn down, and the production efficiency of equipment is improved through the technical scheme.
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Description

TECHNICAL FIELD

[0001] The utility model relates to spraying technical field, concretely is a PET spraying protection pasting paper ejection jig. BACKGROUND

[0002] Some existing spraying products have positions that cannot be sprayed, such as positions connected with other parts. If the positions are sprayed, the inner wall diameter of the positions will be changed, so that the positions cannot be connected with other parts.

[0003] Before the spraying product is sprayed, the spraying protection pasting paper is pasted on the connection position to shield the position, so that spraying material does not enter the inside of the connection position during the spraying process. The spraying protection pasting paper is divided into PET spraying protection pasting paper, polyester adhesive spraying protection pasting paper, and silicone rubber spraying protection pasting paper according to different raw materials.

[0004] However, after the spraying of the spraying product is completed, the PET spraying protection pasting paper, the polyester adhesive spraying protection pasting paper, or the silicone rubber spraying protection pasting paper pasted on the spraying product needs to be manually removed. This operation is complicated, which affects the production efficiency. Therefore, the existing needs are not met, and a PET spraying protection pasting paper ejection jig is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a PET spraying protection pasting paper ejection jig to solve the problem that the PET spraying protection pasting paper, the polyester adhesive spraying protection pasting paper, or the silicone rubber spraying protection pasting paper pasted on the spraying product needs to be manually removed after the spraying of the spraying product is completed.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a PET spraying protection pasting paper ejection jig, comprising a base, a thimble positioning plate is fixedly arranged on the upper end surface of the base, four guide columns are fixedly arranged on the four end corners of the upper end surface of the thimble positioning plate, and springs are sleeved on the outer surfaces of the guide columns;

[0007] A clamp positioning plate is arranged on the upper end surface of the four guide columns, and the guide columns and the clamp positioning plate are movably connected through sockets, a spraying clamp is fixedly arranged on the upper end surface of the clamp positioning plate, a plurality of fixed grooves are arranged on the upper end surface of the spraying clamp, and a plurality of thimbles fixedly arranged on the upper end surface of the thimble positioning plate are arranged below each fixed groove.

[0008] The inside of the fixed groove closest to the front end face of the fixture positioning plate is fixedly provided with a spraying product, the upper side of the spraying product is provided with a downward pressing cylinder, the piston rod of the downward pressing cylinder is connected with a cylindrical pressing plate, and the lower end face of the cylindrical pressing plate is fixedly connected with the upper end face of the fixture positioning plate.

[0009] Preferably, the inside of the top end of the ejector pin is provided with a cylindrical groove, the upper side of the inside of the cylindrical groove is provided with a metal ring, the outer surface of the metal ring is matched with the inner wall of the cylindrical groove, and the cylindrical groove and the metal ring are slidably connected.

[0010] Preferably, the axis of the metal ring is fixedly connected with a ejector pin head, and the lower end face of the ejector pin head is connected with a thin spring located in the inside of the cylindrical groove.

[0011] Preferably, the outer surface of the top end of the ejector pin is connected with a plurality of stress plates through a rotating shaft, and the plurality of stress plates are arranged in a ring shape.

[0012] Preferably, the edge of the upper end face of the ejector pin is an arc face, and the face of the stress plate facing the arc face is matched with the arc face.

[0013] Preferably, the position of the ejector pin corresponds to the position of the through hole located on the outer surface of the spraying product, and the ejector pin and the ejector pin positioning plate are connected through threads.

[0014] Preferably, one side of the outer surface of the downward pressing cylinder is fixedly provided with a cylinder fixing block, one side of the outer surface of the cylinder fixing block is fixedly provided with a supporting plate, and the lower end face of the supporting plate is fixedly connected with the upper end face of the ejector pin positioning plate.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. Before the spraying product is sprayed, the PET spraying protective paper is pasted on the upper end of the spraying product, then the spraying treatment is carried out, and when the spraying treatment is completed, the spraying product is pushed downward by the downward pressing cylinder, the distance between the ejector pin head and the PET spraying protective paper pasted on the upper end of the spraying product is gradually reduced, and when the two are in contact, the PET spraying protective paper pasted on the upper end of the spraying product is torn off, so that the PET spraying protective paper pasted on the outer surface of the spraying product before the spraying treatment is automatically torn off, and the production efficiency of the equipment is improved.

[0017] 2, the utility model discloses a top pin head is connected through thin spring between top pin, and through the spring force of thin spring, the top pin head can move up and down under the influence of external force, when the top pin head contacts PET spray protection sticker, but the spray product is still moving down, the top pin head will be pushed down together, with the descent of top pin head, the stress plate connected on the outer surface of top pin head through the pivot will gradually open under the push of the arc surface on the outer surface of top pin, and the stress area between top pin head and PET spray protection sticker can be increased through the plurality of stress plates that open, and the above technical scheme can prevent the situation that PET spray protection sticker is too thin and is punctured by top pin head. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic view of the utility model;

[0019] Figure 2 It is the bottom side view of the utility model as a whole;

[0020] Figure 3 It is the utility model Figure 1 The structure enlarged view of A in the utility model;

[0021] Figure 4 It is the internal structure schematic view of the top pin top end in the utility model.

[0022] In the drawing: 1, base; 2, guide pillar; 3, spring; 4, clamp positioning plate; 5, spray clamp; 6, spray product; 7, down pressure cylinder; 8, cylindrical pressing plate; 9, top pin positioning plate; 10, top pin; 11, through hole; 12, metal ring; 13, top pin head; 14, thin spring; 15, stress plate; 16, cylindrical slot; 17, fixed slot; 18, arc surface. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] The spring 3 (model number JX110), down pressure cylinder 7 (model number SU63) and top pin 10 (model number 304) mentioned in the utility model can be obtained from market purchase or private customization.

[0025] Please refer to Figures 1 to 4 The utility model provides an embodiment: a PET spray protection sticker ejection jig, including base 1, the upper end surface of base 1 is fixedly provided with top pin positioning plate 9, four end angles of top pin positioning plate 9 upper end surface are all fixedly provided with a guide pillar 2, and the outer surface of guide pillar 2 is sleeved with spring 3;

[0026] The upper end surface of the four guide columns 2 is provided with a clamp positioning plate 4, and the guide column 2 is movably connected with the clamp positioning plate 4 through a socket, and the upper end surface of the clamp positioning plate 4 is fixedly provided with a spraying clamp 5, the upper end surface of the spraying clamp 5 is provided with a plurality of fixing grooves 17, and the lower side of each fixing groove 17 is provided with a plurality of ejector pins 10 fixedly arranged on the upper end surface of the ejector pin positioning plate 9;

[0027] The inner part of the fixing groove 17 closest to the front end surface of the clamp positioning plate 4 is fixedly provided with a spraying product 6, the upper side of the spraying product 6 is provided with a downward pressing cylinder 7, the piston rod of the downward pressing cylinder 7 is connected with a cylindrical pressing plate 8, and the lower end surface of the cylindrical pressing plate 8 is fixedly connected with the upper end surface of the clamp positioning plate 4.

[0028] The position of the ejector pin 10 corresponds to the position of the through hole 11 on the outer surface of the spraying product 6, and the ejector pin 10 is connected with the ejector pin positioning plate 9 through a thread; before the spraying treatment of the spraying product 6, a PET spraying protective sticker is first pasted on the upper end surface of the spraying product 6, and then the spraying treatment is carried out, when the spraying treatment is completed, the cylindrical pressing plate 8 is pushed downward by the downward pressing cylinder 7, and the clamp positioning plate 4 fixedly connected with the cylindrical pressing plate 8 and the spraying clamp 5 fixedly arranged on the upper end surface of the clamp positioning plate 4 are moved downward, with the downward movement of the spraying clamp 5, the spraying product 6 fixedly arranged in the fixing groove 17 on the outer surface of the spraying clamp 5 is moved downward, with the downward movement of the spraying product 6, the distance between the ejector pin head 13 and the PET spraying protective sticker pasted on the upper end surface of the spraying product 6 is gradually reduced, until the two are in contact with each other, when the two are in contact with each other, but the spraying product 6 is still moving downward, the PET spraying protective sticker pasted on the upper end surface of the spraying product 6 will be torn off, through the above technical scheme, the PET spraying protective sticker pasted on the outer surface of the spraying product 6 before the spraying treatment can be automatically torn off, thereby improving the production efficiency of the equipment;

[0029] After the PET spraying protective sticker is torn off, the clamp positioning plate 4 is pulled back to the original height by the downward pressing cylinder 7, and then the spraying product 6 after the spraying treatment can be removed;

[0030] When the clamp positioning plate 4 is pushed downward, the four guide columns 2 will respectively penetrate the four corners on the outer surface of the clamp positioning plate 4, the four guide columns 2 can prevent the clamp positioning plate 4 from being dislocated during the upward and downward movement, and the four guide columns 2 can ensure the stability of the clamp positioning plate 4.

[0031] The inner part of the top end of the thimble 10 is provided with a cylindrical groove 16, and the upper side of the inner part of the cylindrical groove 16 is provided with a metal ring 12, the outer surface of the metal ring 12 is in close contact with the inner wall of the cylindrical groove 16, and the cylindrical groove 16 and the metal ring 12 are connected in sliding connection; the axis of the metal ring 12 is fixedly connected with a thimble head 13, and the lower end surface of the thimble head 13 is connected with a thin spring 14 located in the inner part of the cylindrical groove 16; the outer surface of the top end of the thimble head 13 is connected with a plurality of stress plates 15 through a rotating shaft, and the plurality of stress plates 15 are arranged in a ring shape; the edge of the upper end surface of the thimble 10 is an arc surface 18, and the surface of the stress plate 15 facing the arc surface 18 is in close contact with the arc surface 18; the thimble head 13 and the thimble 10 are connected through the thin spring 14, and the thimble head 13 itself can move up and down under the influence of external force through the spring force of the thin spring 14; when the thimble head 13 contacts the PET spraying protective sticker but the spraying product 6 continues to move downward, the thimble head 13 will be pushed downward together, and with the descent of the thimble head 13, the stress plate 15 connected to the outer surface of the thimble head 13 through the rotating shaft will gradually open under the pushing of the arc surface 18 located on the outer surface of the thimble 10, and the plurality of stress plates 15 can increase the stress area between the thimble head 13 and the PET spraying protective sticker, and the above technical solution can prevent the thimble head 13 from being pierced due to the PET spraying protective sticker being too thin;

[0032] When the thimble head 13 is pushed downward, the thin spring 14 connected thereto will also be pushed downward, and after the PET spraying protective sticker is pulled off, the thimble head 13 can be pushed upward through the reaction force of the compressed thin spring 14, and with the rising of the thimble head 13, the stress plate 15 opened due to the pushing of the arc surface 18 will gradually return to the original state.

[0033] The metal ring 12 fixedly sleeved on the outer surface of the thimble head 13 can prevent the thimble head 13 from falling off.

[0034] One side of the outer surface of the downward pressing cylinder 7 is fixedly provided with a cylinder fixing block, one side of the outer surface of the cylinder fixing block is fixedly provided with a supporting plate, and the lower end surface of the supporting plate is fixedly connected with the upper end surface of the thimble positioning plate 9; the cylinder fixing block and the supporting plate can fix the downward pressing cylinder 7 at the current position.

[0035] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A PET spray protective sticker ejection jig comprising a base (1), characterized in that: The upper end surface of the base (1) is fixedly provided with a thimble positioning plate (9), the upper end surface of the thimble positioning plate (9) is fixedly provided with a guide column (2) at four corners, and the outer surface of the guide column (2) is sleeved with a spring (3); The upper end surface of the four guide columns (2) is provided with a clamp positioning plate (4), the guide column (2) and the clamp positioning plate (4) are movably connected through a socket, the upper end surface of the clamp positioning plate (4) is fixedly provided with a spraying clamp (5), the upper end surface of the spraying clamp (5) is provided with a plurality of fixed grooves (17), and the lower side of each fixed groove (17) is provided with a plurality of thimbles (10) fixed on the upper end surface of the thimble positioning plate (9); The inner part of the fixed groove (17) closest to the front end surface of the clamp positioning plate (4) is fixedly provided with a spraying product (6), the upper side of the spraying product (6) is provided with a downward pressing cylinder (7), the piston rod of the downward pressing cylinder (7) is connected with a cylindrical pressing plate (8), and the lower end surface of the cylindrical pressing plate (8) and the upper end surface of the clamp positioning plate (4) are fixed.

2. The PET spray protective sticker ejection jig according to claim 1, wherein: The inner part of the top end of the thimble (10) is provided with a cylindrical groove (16), the upper side of the inner part of the cylindrical groove (16) is provided with a metal ring (12), the outer surface of the metal ring (12) is fitted with the inner wall of the cylindrical groove (16), and the cylindrical groove (16) and the metal ring (12) are slidably connected.

3. The PET spray protective sticker ejection jig according to claim 2, wherein: The axis of the metal ring (12) is fixedly connected with a thimble head (13), and the lower end surface of the thimble head (13) is connected with a fine spring (14) located in the cylindrical groove (16).

4. The PET spray protective sticker ejection jig according to claim 3, wherein: The outer surface of the top end of the thimble head (13) is connected with a plurality of stress plates (15) through a rotating shaft, and the plurality of stress plates (15) are arranged in a ring shape.

5. The PET spray protective sticker ejection jig according to claim 4, wherein: The edge of the upper end surface of the thimble (10) is an arc surface (18), and the surface of the stress plate (15) facing the arc surface (18) is fitted with the arc surface (18).

6. The PET spray protective sticker ejection jig according to claim 1, wherein: The position of the thimble (10) corresponds to the position of the through hole (11) on the outer surface of the spraying product (6), and the thimble (10) and the thimble positioning plate (9) are connected through threads.

7. The PET spray protective sticker ejection jig according to claim 1, wherein: One side of the outer surface of the downward pressing cylinder (7) is fixedly provided with a cylinder fixing block, one side of the outer surface of the cylinder fixing block is fixedly provided with a supporting plate, and the lower end surface of the supporting plate and the upper end surface of the thimble positioning plate (9) are fixed.