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CN-224210609-U - Precise laminating auxiliary device for back adhesive

CN224210609UCN 224210609 UCN224210609 UCN 224210609UCN-224210609-U

Abstract

The utility model discloses a precise adhesive-back attaching auxiliary device which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die plate, a plurality of product positioning blocks are arranged on the periphery of a product placing area of the upper die plate, an upper die through hole is formed in the product placing area of the upper die plate, the lower die assembly comprises a lower die plate and an adhesive-back placing die core arranged on the upper surface of the lower die plate, a plurality of adhesive-back positioning columns are arranged on the upper surface of the adhesive-back placing die core, a negative pressure cavity is formed between the lower die plate and the adhesive-back placing die core, a plurality of die core negative pressure holes are formed on the upper surface of the adhesive-back placing die core, a lateral air hole which is opened outwards and communicated with the negative pressure cavity is formed on the lower die plate or the adhesive-back placing die core, and a guide rail sliding block pair and a guide rail guide sleeve pair are arranged between the upper die plate and the lower die plate. Through the structural design, the back adhesive precise attaching auxiliary device has the advantages of novel structural design, high back adhesive attaching precision and good stability and reliability.

Inventors

  • WANG LIANGLIANG

Assignees

  • 东莞市锦洲塑胶制品有限公司

Dates

Publication Date
20260508
Application Date
20250423

Claims (6)

  1. 1. An auxiliary device for precise adhesive-backed laminating comprises an upper die assembly (1) and a lower die assembly (2) positioned below the upper die assembly (1); The upper die assembly (1) comprises an upper die plate (11), a product placement area is arranged on the upper surface of the upper die plate (11), a plurality of product positioning blocks (12) which are arranged at intervals are arranged on the periphery of the product placement area on the upper surface of the upper die plate (11), and an upper die through hole (13) which vertically penetrates through is formed in the product placement area of the upper die plate (11); The lower die assembly (2) comprises a lower die plate (21) and a back adhesive placing die core (22) arranged on the upper surface of the lower die plate (21), a plurality of return springs (3) are arranged between the lower die plate (21) and the upper die plate (11), the back adhesive placing die core (22) is vertically aligned with an upper die through hole (13) of the upper die plate (11), and a plurality of back adhesive positioning columns (23) which are arranged at intervals are arranged on the upper surface of the back adhesive placing die core (22); The back glue placing mold is characterized in that a negative pressure cavity (241) is formed between the lower mold plate (21) and the back glue placing mold core (22), and a plurality of mold core negative pressure holes (242) which are distributed in an array and are respectively communicated with the negative pressure cavity (241) are formed on the upper surface of the back glue placing mold core (22), and lateral air holes (243) which are open outwards and are communicated with the negative pressure cavity (241) are formed on the lower mold plate (21) or the back glue placing mold core (22); Guide rail slider pairs and guide pillar guide sleeve pairs are arranged between the upper die plate (11) and the lower die plate (21), the guide pillar guide sleeve pairs comprise four guide sleeves (41) which are in rectangular distribution and are respectively and fixedly arranged on the lower die plate (21), guide pillars (42) which are vertically arranged are respectively and fixedly arranged corresponding to the guide sleeves (41) of the upper die plate (11), the lower end parts of the guide pillars (42) are respectively inserted into central holes of the corresponding guide sleeves (41), each guide pillar (42) is respectively sleeved with a reset spring (3), the upper end parts of the reset springs (3) are respectively abutted with the upper die plate (11), and the lower end parts of the reset springs (3) are respectively abutted with the upper end parts of the corresponding guide sleeves (41).
  2. 2. The precise adhesive-backed auxiliary device according to claim 1, wherein the guide rail slide block pair comprises two slide blocks (51), and the two slide blocks (51) are fixedly arranged at the left end part and the right end part of the lower template (21); Guide rails (52) which are vertically arranged are fixedly arranged corresponding to the sliding blocks (51) of the upper template (11), and the guide rails (52) are matched with the sliding blocks (51) at the corresponding sides.
  3. 3. The precise adhesive-backed auxiliary device according to claim 1, wherein a sealing rubber ring (25) encircling the periphery of the negative pressure chamber (241) is clamped between the adhesive-backed placement mold core (22) and the lower mold plate (21).
  4. 4. The precise adhesive-backed auxiliary device according to claim 1, wherein the lower die plate (21) is provided with a screw mounting hole (211) which vertically penetrates through and is in a stepped hole shape, a limit screw (6) is embedded in the screw mounting hole (211), and the upper end part of the limit screw (6) is in threaded connection with the upper die plate (11); When the upper template (11) moves upwards to the upper limit position relative to the lower template (21), the big end part of the limit screw (6) abuts against the inner wall of the screw mounting hole (211).
  5. 5. The precise adhesive-backed auxiliary device of claim 1, wherein the lower die plate (21) is provided with a vertically penetrating internal threaded hole (212), a height limiting screw (7) is screwed in the internal threaded hole (212) of the lower die plate (21), and the upper end part of the height limiting screw (7) extends to the upper part of the lower die plate (21); When the upper template (11) moves downwards to a lower limit position relative to the lower template (21), the upper template (11) abuts against and is limited on the upper surface of the height limiting screw (7).
  6. 6. The precise adhesive-backed auxiliary device according to claim 1, wherein a plurality of foot pads (8) are arranged on the lower surface of the lower template (21) at intervals.

Description

Precise laminating auxiliary device for back adhesive Technical Field The utility model relates to the technical field of jig devices, in particular to a precise laminating auxiliary device for back glue. Background The technical scheme is that the back adhesive bonding positioning clamp comprises an upper template and a lower template movably connected with the upper template, wherein a plurality of guide posts are arranged on the periphery of the upper surface of the lower template, the upper template is provided with a plurality of guide holes corresponding to the guide posts, the guide posts are movably arranged in the guide holes, a reset spring is sleeved on each guide post, two ends of the reset spring respectively abut against the upper template and the lower template, the upper template further comprises a plurality of product positioning mechanisms and positioning posts, the product positioning mechanisms are arranged on the periphery of the upper surface of the upper template, the positioning posts are arranged on the upper surface of the upper template, the lower template further comprises auxiliary material positioning mechanisms, the auxiliary material positioning mechanisms are arranged on the upper surface of the lower template, the upper template is provided with a first through hole corresponding to the auxiliary material positioning mechanisms, the auxiliary material positioning mechanisms are movably arranged in the first through holes, the positioning posts are arranged on one side of the first through hole, the auxiliary material positioning mechanisms comprise a base and a plurality of positioning pins, the base is arranged on the upper surface of the lower template, and the base is arranged on the upper surface of the base. When the back adhesive attaching positioning fixture is used for attaching the back adhesive auxiliary materials to the products, after a plurality of positioning holes in the back adhesive auxiliary materials are aligned with a plurality of positioning pins, the back adhesive auxiliary materials are placed on a base, the plurality of positioning pins penetrate through the plurality of positioning holes and are matched to finish positioning of the back adhesive auxiliary materials, then the products are placed in a positioning area of an upper template, the back of the products face upwards, four sides of the products are abutted against a plurality of product positioning mechanisms to finish positioning of the products, then the products are pressed down, a plurality of reset springs are compressed, the upper template and the products move downwards, the auxiliary material positioning mechanisms relatively penetrate into a first through hole, the back adhesive auxiliary materials on the auxiliary material positioning mechanisms are abutted against the products, the back adhesive auxiliary materials are attached to the inner surfaces of the products, finally the products are stopped from being pressed down, the plurality of reset springs are restored, and the products and the upper template returns to the initial positions. It should be noted that, for the above-mentioned adhesive-backed bonding positioning jig, there are the following drawbacks, in particular: The defect 1, the back adhesive auxiliary material is positioned on the upper surface of the base through the positioning needle, and as the back adhesive auxiliary material is of a flexible structure, when the product is pressed down and the product and the upper template move down, the back adhesive auxiliary material can have flanging or other uneven conditions, so that the back adhesive is disqualified in lamination, namely the problems of poor stability and reliability and poor lamination precision of the back adhesive exist; The defect 2, the lifting movement of the upper template relative to the lower template only realize the movement guide through the guide post and the guide hole, and the defect of lower guide precision exists in the design of the guide structure, so that the precise laminating of the back adhesive is not facilitated. Disclosure of utility model The utility model aims to provide the precise adhesive-backed auxiliary device for the defects of the prior art, which has novel structural design, high adhesive-backed precision, stability and reliability. In order to achieve the above object, the present utility model is achieved by the following technical scheme. An auxiliary device for precisely attaching back glue comprises an upper die assembly and a lower die assembly positioned below the upper die assembly; the upper die assembly comprises an upper die plate, a product placement area is arranged on the upper surface of the upper die plate, a plurality of product positioning blocks which are arranged at intervals are arranged on the upper surface of the upper die plate on the periphery of the product placement area, and vertically penetrating upper die through holes are formed in th