CN219236469U

CN219236469U - Silk screen printing table for surface assembly technology of liquid crystal display circuit board

Info

Publication number: CN219236469U
Application number: CN202222815608.2U
Authority: CN
Inventors: 金晶
Original assignee: Hangzhou Tianfeng Photoelectric Technology Co ltd
Current assignee: Hangzhou Tianfeng Photoelectric Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-06-23
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to the technical field of screen printing tables and discloses a screen printing table for a liquid crystal display circuit board surface assembly technology, which comprises an equipment base, an equipment supporting plate, an equipment top seat and a placing table, wherein the screen printing table comprises a moving device and a positioning device, the positioning device is arranged at the top of the placing table, the positioning device comprises a limiting component, the limiting component comprises end plates, a rotating motor, a fixing plate, a second threaded column, a sliding plate and side round blocks, and the two end plates are symmetrically fixed at two sides of the placing table. This silk screen printing platform of LCD screen circuit board surface assembly technique puts the circuit board at the top of placing the platform, and the output of rotation motor drives the second screw thread post and rotates this moment, and the second screw thread post rotates in the second screw thread inslot portion of side circle piece, and the side circle piece drives the slide and slides, makes the locating plate support on the outer wall of circuit board, fixes the circuit board, produces the skew when preventing that the circuit board from receiving pressure to improve the stability of circuit board.

Description

Silk screen printing table for surface assembly technology of liquid crystal display circuit board

Technical Field

The utility model relates to the technical field of silk-screen printing stations, in particular to a silk-screen printing station for a liquid crystal display circuit board surface assembly technology.

Background

In the production process of the circuit board of the liquid crystal display, one procedure is to carry out silk screen printing on the surface of the circuit board, and the purpose is to print electronic device mark symbols corresponding to the mounting positions of all electronic devices on the circuit board.

As disclosed in Chinese patent: silk-screen printing table of liquid crystal display circuit board surface assembling technique, publication number: according to the utility model, CN 216885766U is matched with a plurality of groups of circuit board placing tables through a displacement structure, so that the circuit boards can be efficiently printed by the screen printing tables, the plurality of groups of circuit board placing tables are alternately fixed, printed and taken down, the efficiency is greatly improved, the screen printing tables are efficiently clamped and fixed through a lifting structure, meanwhile, the damage caused by improper control of the attaching force of the steel mesh plates and the circuit boards in the printing process is prevented, and when the steel mesh plates and the circuit boards are installed by pressing, the circuit boards are positioned on the smooth placing tables, and the circuit boards are easy to loosen when being stressed, so that movement is generated.

Disclosure of Invention

The utility model aims to provide a screen printing table for a liquid crystal display circuit board surface assembly technology, so as to solve the problems in the background technology.

The embodiment of the application adopts the following technical scheme:

the utility model provides a silk screen printing bench of LCD screen circuit board surface assembling technique, including equipment base, equipment backup pad, equipment footstock and place the platform, including mobile device and positioner, positioner installs at the top of placing the platform, positioner includes spacing subassembly, spacing subassembly includes the end plate, rotating motor, the fixed plate, second screw thread post, slide and side circle piece, two end plate symmetries are fixed in the both sides of placing the platform, rotating motor installs the top at the end plate, two fixed plate symmetries are fixed at the top of placing the platform, the second screw thread post is installed between rotating motor and fixed plate, the slide is installed in the outside of second screw thread post, two side circle pieces symmetries are fixed in the both sides of slide, the second screw thread groove that is used for threaded connection second screw thread post has been seted up on the side circle piece, the locating plate is fixed on a side wall that the side circle piece is used for centre gripping circuit board.

Preferably, the mobile device includes mobile unit and lifting unit, mobile unit includes the sliding block, first screw thread post and connecting plate, the spout that is used for sliding connection sliding block is offered to the bottom of equipment footstock, the spout sliding connection of sliding block and equipment footstock, first screw thread post rotates to be connected on the inner wall that the spout is used for sliding the sliding block, offer the first screw thread groove that is used for threaded connection first screw thread post on the sliding block, the first screw thread groove and the first screw thread post threaded connection of sliding block, the bottom at the sliding block is fixed to the connecting plate.

Preferably, the lifting assembly comprises a lifting cylinder, a placing shell, side plates and clamping pieces, wherein the two lifting cylinders are symmetrically arranged at the bottom of the connecting plate, the two side plates are symmetrically fixed at the two sides of the placing shell, the piston rod ends of the lifting cylinders are fixed with the tops of the side plates, and the clamping pieces are arranged outside the placing shell.

Preferably, the clamping piece comprises a clamping bolt and a clamping plate, both sides of the placing shell are provided with screw grooves for being in threaded connection with the clamping bolt, the clamping bolt is in threaded connection with the screw grooves of the placing shell, and the clamping plate is rotationally connected to one end of the clamping bolt.

Preferably, the positioning plate is positioned on one side wall of the circuit board and is adhered with a rubber protection pad.

The above-mentioned at least one technical scheme that this application embodiment adopted can reach following beneficial effect:

first, when using, owing to be provided with the motor on the equipment footstock, the output of motor runs through equipment footstock and is fixed mutually with the one end of first screw thread post, and the output of motor drives a screw thread post and rotates in the inside of first screw thread groove, and the distance of slider at the inside sliding adjustment connecting plate of spout to the be convenient for adjust the control to the unnecessary width of circuit board.

Secondly, when using, put the circuit board at the top of placing the platform, the output of rotation motor drives the second screw thread post and rotates this moment, and the second screw thread post rotates in the second screw thread inslot portion of side circle piece, and the side circle piece drives the slide and slides, makes the locating plate support on the outer wall of circuit board, fixes the circuit board, produces the skew when preventing that the circuit board from receiving pressure to improve the stability of circuit board.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a mobile device according to the present utility model;

FIG. 3 is a schematic view of a limiting assembly according to the present utility model;

FIG. 4 is a schematic view of a first thread groove structure according to the present utility model;

fig. 5 is a schematic cross-sectional view of the placement housing of the present utility model.

In the figure: the device comprises a device base 1, a device support plate 2, a device top seat 3, a moving device 4, a moving assembly 41, a sliding block 411, a sliding groove 412, a first threaded column 413, a first threaded groove 414, a connecting plate 415, a lifting assembly 42, a lifting cylinder 421, a placing shell 422, a side plate 423, a clamping piece 424, a clamping bolt 4241, a threaded groove 4242, a clamping plate 4243, a placing table 5, a positioning device 6, a limiting assembly 61, an end plate 611, a rotating motor 612, a fixing plate 613, a second threaded column 614, a sliding plate 615, a side round block 616, a second threaded groove 617 and a positioning plate 618.

Detailed Description

For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.

Example 1: referring to fig. 1, 2 and 3, a screen printing table for assembling a circuit board surface of a liquid crystal display; the device comprises a device base 1, a device supporting plate 2, a device footstock 3 and a placing table 5, and is characterized by comprising a moving device 4 and a positioning device 6, wherein the positioning device 6 is arranged at the top of the placing table 5, the positioning device 6 comprises a limiting component 61, the limiting component 61 comprises an end plate 611, a rotating motor 612, a fixed plate 613, a second threaded column 614, a sliding plate 615 and a side round block 616, the two end plates 611 are symmetrically fixed at two sides of the placing table 5, the rotating motor 612 is arranged at the top of the end plate 611, the two fixed plates 613 are symmetrically fixed at the top of the placing table 5, the second threaded column 614 is arranged between the rotating motor 612 and the fixed plate 613, the sliding plate 615 is arranged outside the second threaded column 614, the two side round blocks 616 are symmetrically fixed at two sides of the sliding plate 615, the side round block 616 is provided with a second threaded groove 617 for being in threaded connection with the second threaded column 614, the positioning plate 618 is fixed on one side wall of the side round block 616 for clamping a circuit board, the output end of the rotating motor 612 is connected with one end of the second threaded column 614, and the other end of the second threaded column 614 is fixedly connected with the side wall of the second threaded column 614;

when the circuit board is used, the circuit board is placed on the top of the placement table 5, the output end of the rotating motor 612 drives the second threaded column 614 to rotate, the second threaded column 614 rotates in the second threaded groove 617 of the side round block 616, the side round block 616 drives the sliding plate 615 to slide, the positioning plate 618 abuts against the outer wall of the circuit board, the circuit board is fixed, deviation of the circuit board caused by pressure is prevented, and therefore stability of the circuit board is improved.

Example 2: referring to fig. 1, 2, 3 and 4, based on embodiment 1, the moving device 4 includes a moving assembly 41 and a lifting assembly 42, the moving assembly 41 includes a sliding block 411, a first threaded column 413 and a connecting plate 415, a sliding slot 412 for slidably connecting the sliding block 411 is provided at the bottom of the equipment top seat 3, the sliding block 411 is slidably connected with the sliding slot 412 of the equipment top seat 3, the first threaded column 413 is rotatably connected to the inner wall of the sliding slot 412 for sliding the sliding block 411, a first threaded slot 414 for threadably connecting the first threaded column 413 is provided on the sliding block 411, the first threaded slot 414 of the sliding block 411 is threadably connected with the first threaded column 413, and the connecting plate 415 is fixed at the bottom of the sliding block 411.

When the circuit board is used, as the motor is arranged on the equipment top seat 3, the output end of the motor penetrates through the equipment top seat 3 and is fixed with one end of the first threaded column 413, the output end of the motor drives the threaded column 413 to rotate in the first threaded groove 414, and the sliding block 411 slides in the sliding groove 412 to adjust the distance of the connecting plate 415, so that the circuit board is convenient to adjust and control without width.

Example 3: referring to fig. 1, 2, 3 and 5, on the basis of embodiment 1, the lifting assembly 42 includes a lifting cylinder 421, a placement housing 422, side plates 423 and a clamping member 424, the two lifting cylinders 421 are symmetrically installed at the bottom of the connection plate 415, the two side plates 423 are symmetrically fixed at two sides of the placement housing 422, the piston rod ends of the lifting cylinders 421 are fixed with the tops of the side plates 423, the clamping member 424 is installed at the outside of the placement housing 422, the clamping member 424 includes a clamping bolt 4241 and a clamping plate 4243, both sides of the placement housing 422 are provided with screw grooves 4242 for screw connection with the clamping bolt 4241, the clamping bolt 4241 is screw connected with the screw grooves 4242 of the placement housing 422, and the clamping plate 4243 is rotatably connected with one end of the clamping bolt 4241.

When the steel mesh plate is used, the steel mesh plate is placed in the placing shell 422, then the clamping bolts 4241 are screwed to rotate in the screw grooves 4242 to drive the clamping plates 4243 to clamp and fix the steel mesh plate, at the moment, the piston rod end of the lifting cylinder 421 drives the side plates 423 to descend, the placing shell 422 is driven by the side plates 423 to descend to a height, and the steel mesh plate is connected with the circuit board, so that stable installation of the steel mesh plate and the circuit board is improved.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims

1. The utility model provides a silk screen platform of LCD screen circuit board surface assembling technique, including equipment base (1), equipment backup pad (2), equipment footstock (3) and place platform (5), a serial communication port, including mobile device (4) and positioner (6), the top at place platform (5) is installed in positioner (6), positioner (6) are including spacing subassembly (61), spacing subassembly (61) are including end plate (611), rotating motor (612), fixed plate (613), second screw thread post (614), slide (615) and side circle piece (616), both sides at place platform (5) both sides are fixed to two end plate (611) symmetry, the top at end plate (611) is installed to rotating motor (612), the top at place platform (5) is fixed to two fixed plate (613) symmetry, second screw thread post (614) are installed between rotating motor (612) and fixed plate (613), the outside at second screw thread post (614) is installed in slide (615), both sides at slide (615) are fixed to two side circle pieces (616) symmetry, side circle piece (616) are offered on side circle piece (616) and are used for the centre gripping groove (616) of second screw thread post (614) to fix on side wall (616).

2. The screen printing table according to claim 1, characterized in that the moving device (4) comprises a moving assembly (41) and a lifting assembly (42), the moving assembly (41) comprises a sliding block (411), a first threaded column (413) and a connecting plate (415), a sliding groove (412) used for being connected with the sliding block (411) in a sliding mode is formed in the bottom of the equipment top seat (3), the sliding block (411) is connected with the sliding groove (412) of the equipment top seat (3) in a sliding mode, the first threaded column (413) is rotationally connected to the inner wall of the sliding groove (412) used for being connected with the sliding block (411), a first threaded groove (414) used for being connected with the first threaded column (413) in a threaded mode is formed in the sliding block (411), the first threaded groove (414) of the sliding block (411) is connected with the first threaded column (413) in a threaded mode, and the connecting plate (415) is fixed to the bottom of the sliding block (411).

3. The screen printing table according to claim 2, wherein the lifting assembly (42) comprises a lifting cylinder (421), a placing shell (422), side plates (423) and clamping pieces (424), the two lifting cylinders (421) are symmetrically arranged at the bottom of the connecting plate (415), the two side plates (423) are symmetrically fixed at two sides of the placing shell (422), the piston rod ends of the lifting cylinders (421) are fixed with the tops of the side plates (423), and the clamping pieces (424) are arranged outside the placing shell (422).

4. A screen printing table according to claim 3, characterized in that the clamping member (424) comprises a clamping bolt (4241) and a clamping plate (4243), both sides of the placing shell (422) are provided with screw grooves (4242) for screw connection with the clamping bolt (4241), the clamping bolt (4241) is in screw connection with the screw grooves (4242) of the placing shell (422), and the clamping plate (4243) is rotatably connected to one end of the clamping bolt (4241).

5. The screen printing station of claim 1, wherein the positioning plate (618) is adhered to a side wall of the circuit board.