CN212123571U

CN212123571U - Transfer protection film punching and pasting die and punching and pasting machine

Info

Publication number: CN212123571U
Application number: CN201922150890.5U
Authority: CN
Inventors: 胡亨炳
Original assignee: Suzhou Youpaike Electronic Technology Co ltd
Current assignee: Suzhou Youpaike Electronic Technology Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-12-11
Anticipated expiration: 2029-12-04

Abstract

The utility model belongs to the field of protective film production equipment, and discloses a transfer protective film punching and pasting mold and a punching and pasting machine, wherein the punching and pasting mold comprises an upper mold and a lower mold which are matched with each other; the upper die comprises an upper die template, and a positioning needle and a punching needle which are arranged on the upper die template; the punching pins are arranged in the middle of the upper die plate in an array manner; the punching needle is of a cylindrical structure, and the front end of the punching needle is provided with a boss which is internally stepped and bunched; the positioning needle is of a needle body structure with a pointed conical front end and a cylindrical main body; the lower die comprises a lower die template; a punching hole matched with the punching needle and a positioning hole matched with the positioning needle are formed in the lower die template; the punched hole is gradually contracted from the punching surface to the back surface and is in a taper hole structure. The utility model discloses a dash and paste mould simple structure is reasonable, can once only accomplish and dash and paste the process, and the operating efficiency is high, has reduced intensity of labour and has accomplished with the work, and the precision of dashing pasting is high, and it is little to dash the needle wearing and tearing, excellent in use effect.

Description

Transfer protection film punching and pasting die and punching and pasting machine

Technical Field

The utility model relates to a protection film production facility field, in particular to transfer protection film dashes pastes mould and dashes machine of pasting.

Background

With the development of technology and multimedia technology, the application range of camera modules is gradually expanded, and the camera modules are widely applied to digital cameras, digital image recorders, mobile phones, monitors and other electronic products with a photographing function. However, the lens in the conventional camera module is exposed in the air during the production and use processes, the optical performance and the mechanical performance are both reduced, and the service life of the camera module is seriously shortened. Therefore, the camera module protective film is produced.

I regard and adopt silica gel to replace bubble cotton rubber, through moulding plastics to silica gel earlier, compound mode after, make the protection film. In the production process of the protective film, the silicone rubber product after injection molding needs to be punched from the material sheet, then arranged and pasted on the base film, and then compounded and pasted with other materials to form the multi-layer compounded transfer protective film. The existing mode has low working efficiency, the pasting process needs manual work, the labor intensity is high, the precision is low, the subsequent compounding and pasting process is easily influenced, and great troubles are brought to the subsequent compounding and pasting process.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a transfer protection film dashes pastes mould and dashes machine of pasting through purpose-made dashing pastes the mould, will dash to paste the combination, once only accomplishes and dashes the process of pasting, has solved current mode work efficiency low, pastes and covers the process, needs artifical the completion, and intensity of labour is big, and the precision is low, easily influences the compounding of epilogue and to pasting the process, has also brought the problem of very big puzzlement for the compounding of epilogue has also been pasted the process.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a transfer protection film punching and pasting die comprises an upper die and a lower die which are matched with each other; the upper die comprises an upper die template, and a positioning needle and a punching needle which are arranged on the upper die template; the punching needles are arranged in the middle of the upper die template in an array mode, and the positioning needles are positioned on the outer sides of the punching needles; the punching needle is of a cylindrical structure, and a boss which is internally stepped and contracted is arranged at the front end of the punching needle; the positioning needle is of a needle body structure with a pointed conical front end and a cylindrical main body; the lower die comprises a lower die template; a punching hole matched with the punching needle and a positioning hole matched with the positioning needle are formed in the lower die template; the punched holes are gradually contracted from the punching surface to the back surface and are in a taper hole structure.

As an optimized proposal of the utility model, the taper of the punched hole is less than 5 degrees, and the length of the punched hole is 5-15 mm.

As an optimized proposal of the utility model, the height of the lug boss at the front end of the punching needle is less than 2 mm.

As an optimal scheme of the utility model, be provided with the guide post hole on the lower mould template.

A transfer protection film punching and pasting machine uses the punching and pasting die; the punching and sticking machine comprises a machine table, a punching cylinder, the upper die and the lower die; the stamping cylinder is arranged on the machine table through a rack and is positioned at the top of the machine table; the stamping cylinder is connected with the upper die and drives the upper die to move in the vertical direction; the lower die is arranged right below the upper die; an elastic supporting piece is arranged on the machine table; the lower die is arranged on the machine table through the elastic supporting piece; a punching and sticking workbench is arranged below the lower die; and a needle hole matched with the positioning needle is arranged on the punching and pasting workbench.

As a preferred scheme of the transfer protection film stamping and pasting machine, the elastic supporting piece comprises a lower die guide post and a spring; the lower die guide post is vertically arranged on the machine table; the lower die template is sleeved on the lower die guide post, and a spring is sleeved on the lower die guide post; the spring is positioned below the lower die template.

The punching and pasting compound method of the transfer protection film uses the punching and pasting die and comprises the following steps:

step 1, feeding; placing a silica gel sheet on the lower die, correspondingly embedding each silica gel product on the silica gel sheet into the punched hole of the lower die template, placing a base film right below the lower die, and arranging a registration hole on the base film;

step 2, punching and pasting; punching from top to bottom through the upper die, wherein a positioning pin of the upper die plate firstly penetrates through a positioning hole of the lower die plate, and a punching pin then penetrates through a punched hole; the positioning needle continues downwards, penetrates through the alignment hole in the base film, and punches the silica gel product from the silica gel sheet to be pressed and pasted on the base film after punching.

Through the technical scheme, the utility model discloses technical scheme's beneficial effect is: the utility model discloses a dash and paste mould simple structure is reasonable, can once only accomplish dash and paste the process, and the operating efficiency is high, has reduced intensity of labour and has accomplished the work, through setting up the pilot pin, can improve the positioning accuracy between upper die and the lower mould on the one hand, on the other hand can fix a position and finely tune the position of base film, helps improving the precision of dashing and pasting; the arrangement precision of the silica gel products on the base film is improved and the abrasion of the front end of the punching needle is reduced by arranging the punching holes with the taper hole structures; the structure of the punching needle can reduce the front end damage of the punching needle on one hand and can avoid the edge burrs of the silica gel product on the other hand; the overall use effect of the punching and pasting die is good. The utility model discloses a dash machine, the cooperation is dashed and is pasted the mould and use, easy operation can accomplish the high accuracy of silica gel product and base film and to pasting, and process velocity is fast.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic plan view of the upper die of the present invention.

Fig. 2 is a schematic cross-sectional structure view of the upper die of the present invention.

Fig. 3 is a schematic plan view of the lower mold of the present invention.

Fig. 4 is a schematic cross-sectional structure view of the lower mold of the present invention.

Fig. 5 is a schematic structural view of the transfer protection film stamping and pasting machine of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

1. upper die template 2, positioning pin 3, punching pin

4. Lower die template 5, positioning hole 6 and punching

7. Guide post hole 8, machine table 9, stamping cylinder

10. The lower die guide post 11 is a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

With reference to fig. 1 to 4, the utility model discloses a transfer protection film stamping and pasting mold, which comprises an upper mold and a lower mold which are matched with each other. The upper die comprises an upper die template 1, and a positioning needle 2 and a punching needle 3 which are arranged on the upper die template 1. The punching needles 3 are arranged in the middle of the upper die template 1 in an array mode, and the positioning needles 2 are located on the outer sides of the punching needles 3. The punching needle 3 is in a cylinder structure, and a boss which is internally stepped and contracted is arranged at the front end of the punching needle 3. Preferably, the height of the boss at the front end of the punch pin 3 is less than 2mm, and preferably 0.8-1.3 mm. The positioning needle 2 is a needle body structure with a pointed conical front end and a cylindrical main body; the lower die comprises a lower die template 4. The lower die template 4 is provided with a punching hole 6 matched with the punching needle 3 and a positioning hole 5 matched with the positioning needle 2. The punched hole 6 is gradually contracted from the punching surface to the back surface and is in a taper hole structure. Preferably, the taper of the punch 6 is less than 5 °, and the length of the punch 6 is 5-15 mm. In order to be able to better cooperate with the stamping machine, guide pillar holes 7 are provided in the lower die plate 4.

Referring to fig. 5, a transfer protection film stamping and pasting machine uses the stamping and pasting mold. The punching and pasting machine comprises a machine table 8, a punching cylinder 9, an upper die and a lower die. The stamping cylinder 9 is installed on the machine table 8 through a frame and is positioned at the top of the machine table 8. The stamping cylinder 9 is connected with the upper die and drives the upper die to move in the vertical direction. The lower die is arranged right below the upper die. An elastic supporting piece is arranged on the machine table 8; the lower die is installed on the machine table 8 through an elastic supporting piece. A punching and pasting workbench is arranged below the lower die. A needle hole matched with the positioning needle 2 is arranged on the punching and pasting workbench.

The elastic supporting member may be a supporting block of high elastic rubber or resin, which supports both sides of the lower die plate 4, or may be implemented by a guide post and a spring 11. Specifically, the elastic support includes a lower die guide post 10 and a spring 11. The lower die guide post 10 is vertically arranged on the machine table 8. The lower die template 4 is sleeved on the lower die guide post 10, and the spring 11 is sleeved on the lower die guide post 10. The spring 11 is located below the lower die plate 4.

step 1, feeding. Placing a silica gel sheet on the lower die, correspondingly embedding each silica gel product on the silica gel sheet into the punched hole 6 of the lower die template 4, placing a base film under the lower die, and arranging alignment holes on the base film. Specifically, the base film can be wound and unwound through the winding mechanism and the unwinding mechanism, and the base film is enabled to be transmitted in a stepping mode in order.

And 2, punching and pasting. Through last mould punching press from top to bottom, the locating pin 2 of going up mould template 1 passes locating hole 5 of lower mould template 4 earlier, penetrates behind the punching pin 3 and punches a hole 6, penetrates the in-process of locating hole 5 at locating pin 2 like this, can play the guiding orientation effect, avoids punching pin 3 and punching a hole 6 the dislocation bruise appearing. The upper die plate 1 is pressed on the lower die plate 4, the lower die plate 4 is pressed downwards, in the process, the positioning needle 2 continues to move downwards, the positioning needle 2 firstly penetrates through the alignment hole in the base film, and the silica gel product is punched from the silica gel sheet and pressed on the base film after the punching needle 3. The in-process that pilot pin 2 penetrated the counterpoint hole can finely tune the position of base film to guarantee the cooperation precision of silica gel product and base film. When the alignment hole of the base film is penetrated by the positioning needle 2, the base film is finely adjusted, the lower die plate 4 is pressed and covered on the base film under the action of the upper die plate 1, the base film is prevented from moving, the punching needle 3 punches a silica gel product from a silica gel sheet to be separated and pressed and pasted on the base film, and the punching and pasting process is completed. The stamping cylinder 9 is reset, and the lower die template 4 is reset under the action of the spring 11.

Through the above-mentioned specific embodiment, the beneficial effects of the utility model are that: the utility model discloses a dash and paste mould simple structure is reasonable, can once only accomplish dash and paste the process, and the operating efficiency is high, has reduced intensity of labour and has accomplished the work, through setting up pilot pin 2, can improve the positioning accuracy between upper die and the lower mould on the one hand, on the other hand can fix a position and finely tune the position of base film, helps improving the precision of dashing and pasting; the arrangement precision of the silica gel products on the base film is improved and the abrasion of the front end of the punching needle 3 is reduced by arranging the punching holes 6 with the taper hole structures; the structure of the punching needle 3 can reduce the front end collision damage of the punching needle 3 on one hand and can avoid the edge burrs of the silica gel product on the other hand; the overall use effect of the punching and pasting die is good. The utility model discloses a dash machine, the cooperation is dashed and is pasted the mould and use, easy operation can accomplish the high accuracy of silica gel product and base film and to pasting, and process velocity is fast.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A transfer protection film punching and pasting die is characterized by comprising an upper die and a lower die which are matched with each other; the upper die comprises an upper die template, and a positioning needle and a punching needle which are arranged on the upper die template; the punching needles are arranged in the middle of the upper die template in an array mode, and the positioning needles are positioned on the outer sides of the punching needles; the punching needle is of a cylindrical structure, and a boss which is internally stepped and contracted is arranged at the front end of the punching needle; the positioning needle is of a needle body structure with a pointed conical front end and a cylindrical main body; the lower die comprises a lower die template; a punching hole matched with the punching needle and a positioning hole matched with the positioning needle are formed in the lower die template; the punched holes are gradually contracted from the punching surface to the back surface and are in a taper hole structure.

2. The transfer protection film stamping and pasting mold according to claim 1, wherein the taper of the punched hole is less than 5 °, and the length of the punched hole is 5-15 mm.

3. The transfer protection film stamping and pasting die of claim 1, wherein the height of the boss at the front end of the stamping pin is less than 2 mm.

4. The transfer protection film stamping and pasting mold according to claim 3, wherein a guide post hole is formed on the lower mold plate.

5. A transfer protection film stamping and pasting machine is characterized in that the stamping and pasting die of any one of claims 1-4 is used; the punching and sticking machine comprises a machine table, a punching cylinder, the upper die and the lower die; the stamping cylinder is arranged on the machine table through a rack and is positioned at the top of the machine table; the stamping cylinder is connected with the upper die and drives the upper die to move in the vertical direction; the lower die is arranged right below the upper die; an elastic supporting piece is arranged on the machine table; the lower die is arranged on the machine table through the elastic supporting piece; a punching and sticking workbench is arranged below the lower die; and a needle hole matched with the positioning needle is arranged on the punching and pasting workbench.

6. The transfer protection film stamping and pasting machine of claim 5, wherein said elastic supporting member comprises a lower die guide post and a spring; the lower die guide post is vertically arranged on the machine table; the lower die template is sleeved on the lower die guide post, and a spring is sleeved on the lower die guide post; the spring is positioned below the lower die template.