CN219698057U

CN219698057U - Printing template

Info

Publication number: CN219698057U
Application number: CN202321002373.3U
Authority: CN
Inventors: 陈新维; 王小杰; 冯浩
Original assignee: Wuhan Xinhao Photoelectric Technology Co ltd
Current assignee: Wuhan Xinhao Photoelectric Technology Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-09-15
Anticipated expiration: 2033-04-27

Abstract

The utility model relates to a printing template, which comprises a plate body, wherein a plurality of through holes are formed in the top end of the plate body, a sliding plate is slidably arranged at the top end of the plate body, a spray assembly is arranged at the top end of the sliding plate, a plurality of cleaning assemblies are arranged at the bottom end of the plate body, each cleaning assembly comprises a cleaning barrel fixed at the bottom end of the sliding plate, a plurality of liquid outlets are formed in the outer wall of each cleaning barrel, a sponge positioned outside the liquid outlets is sleeved on the outer wall of each cleaning barrel, when solder paste is left in the through holes after the plate body is used, cleaning liquid is conveyed into the cleaning barrels through the spray assembly, the cleaning liquid permeates onto the sponge through the liquid outlets on the cleaning barrels, then the cleaning barrels are driven to stretch into the through holes under the action of an electric telescopic rod, the cleaning liquid on the sponge can be smeared in the through holes during contact of the sponge and then the solder paste can be scraped and cleaned under the action of the scraping plate, the residues of the solder paste in the through holes are reduced, the solder paste in the through holes are prevented from influencing the next printing, and the use effect of the plate body is improved.

Description

Printing template

Technical Field

The utility model relates to the technical field of printing templates, in particular to a printing template.

Background

The modern electronic industry is rapidly developing, electronic products are developing towards smaller, lighter and thinner directions, fine-pitch more and more applications are realized, and stencil printing processes are more and more applied to electronic manufacturing industry. In the production of electronic products, the PCB of the electronic component box is welded, firstly, the tin wire is required to be softened on the PCB, a plurality of bonding pads are required to be plated with tin, the positions of each bonding pad correspond to the electronic component, and the best method for precisely plating the bonding pads required to be plated with tin at one time is to adopt a stencil printing technology.

When tin is applied to the printing template, solder paste is required to drop on the bonding pad through the through holes in the printing template, and when the solder paste passes through the through holes in the template, part of the solder paste can remain in the through holes to cause residual impurities of the through holes, and when the template is used next time, the use of the template can be affected due to the residual of the solder paste impurities, so that the use effect of the template is reduced.

Disclosure of Invention

In view of the shortcomings of the prior art, it is an object of the present utility model to provide a printing stencil with a cleaning function.

The technical aim of the utility model is realized by the following technical scheme:

the printing template comprises a plate body, wherein a plurality of through holes are formed in the top end of the plate body, a sliding plate is slidably arranged at the top end of the plate body, a spraying assembly is arranged at the top end of the sliding plate, and a plurality of cleaning assemblies are arranged at the bottom end of the plate body;

the cleaning assembly comprises a cleaning barrel fixed at the bottom end of the sliding plate, a plurality of liquid outlets are formed in the outer wall of the cleaning barrel, sponge positioned outside the liquid outlets is sleeved on the outer wall of the cleaning barrel, and a scraping plate matched with the through hole is fixed at the bottom end of the cleaning barrel.

Preferably, the spray assembly comprises a water tank fixed at the top end of the sliding plate, a vertical pipe is communicated with the bottom end of the water tank, a transverse pipe is communicated with the vertical pipe, a plurality of spray heads positioned in the cleaning barrel are communicated with the bottom end of the transverse pipe, and a control valve is fixed on the vertical pipe.

Through the use of water tank, standpipe, violently pipe and shower nozzle, can carry the cleaning solution to in the clean bucket.

Preferably, the two sides of the bottom end of the sliding plate are respectively provided with a first sliding block, and the two sides of the top end of the plate body are respectively provided with a first sliding groove for the first sliding blocks to slide.

The first sliding block and the first sliding groove are used, so that the sliding plate can slide horizontally conveniently.

Preferably, the top ends of the two first sliding blocks are provided with connecting grooves, and the two sides of the bottom end of the sliding plate are respectively fixed with an electric telescopic rod which is clamped with the connecting grooves.

Through the use of the electric telescopic rod, the sliding plate can be conveniently driven to move up and down.

Preferably, the bottom of plate body is equipped with the pad, the recess has all been seted up to the both sides of plate body bottom, two all be fixed with the spring in the recess, two the spring bottom all is fixed with the push pedal that is inconsistent with the pad, the both sides of plate body are equipped with the coupling assembling to pad fixed.

The bonding pad and the plate body are connected together through the connecting component, tin is added, and after tin adding is completed, the bonding pad and the plate body are conveniently separated under the action of the spring and the push plate, so that quick discharging of the bonding pad is facilitated.

Preferably, the connecting assembly comprises an L-shaped plate fixed on the side wall of the plate body, a second sliding groove is formed in one side of the vertical section of the L-shaped plate, a second sliding block is connected in the second sliding groove in a sliding mode, and a connecting block which is in contact with the bonding pad is fixed on one side of the second sliding block.

Through the use of second slider and connecting block, conveniently support the pad.

Preferably, the connecting assembly further comprises a third sliding groove formed in the side wall of the vertical section of the L-shaped plate, a sliding rod connected with the second sliding block is connected in a sliding mode in the third sliding groove, and a fastening nut is connected to the outer wall of the sliding rod in a threaded mode.

Through the slip of slide bar, conveniently drive the motion of connecting block, conveniently lock the dead fixed to the slide bar through fastening nut.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. according to the printing template, when solder paste is left in the through hole after the plate body is used, cleaning liquid is conveyed into the cleaning barrel through the spraying component, the cleaning liquid permeates into the sponge through the liquid outlet on the cleaning barrel, then the cleaning barrel is driven to stretch into the through hole under the action of the electric telescopic rod, the cleaning liquid on the sponge can be smeared in the through hole when the sponge contacts with the through hole, then the solder paste can be scraped and cleaned under the action of the scraping plate, the solder paste in the through hole is reduced, the influence on the next printing caused by the solder paste is avoided, and the using effect of the plate body is improved;

2. this printing template, when tin is gone up to the pad, link together pad and plate body through coupling assembling, after last tin, with coupling assembling and pad separation, under the effect of spring this moment, drive the push pedal to the promotion of pad, make pad and plate body break away from, make things convenient for the unloading of pad, improved the unloading efficiency of pad.

Drawings

Fig. 1 is a schematic overall structure of the present embodiment.

Fig. 2 is a schematic plan view of the spray assembly of the present embodiment.

Fig. 3 is a schematic plan view of the cleaning assembly of the present embodiment.

Fig. 4 is a schematic structural diagram of a connection assembly of the present embodiment.

In the figure, 1, a plate body; 2. a through hole; 3. a slide plate; 4. a spray assembly; 41. a water tank; 42. a standpipe; 43. a transverse tube; 44. a spray head; 45. a control valve; 5. a cleaning assembly; 51. a cleaning barrel; 52. a liquid outlet; 53. a sponge; 54. a scraper; 6. a first slider; 7. a first chute; 8. a connecting groove; 9. an electric telescopic rod; 10. a bonding pad; 11. a groove; 12. a spring; 13. a push plate; 14. a connection assembly; 141. an L-shaped plate; 142. a second chute; 143. a second slider; 144. a connecting block; 145. a third chute; 146. a slide bar; 147. and (5) fastening the nut.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Examples:

referring to fig. 1-4, the printing template disclosed by the utility model comprises a plate body 1, wherein a plurality of through holes 2 are formed in the top end of the plate body 1, a sliding plate 3 is slidably arranged in the top end of the plate body 1, a spraying component 4 is arranged in the top end of the sliding plate 3, and a plurality of cleaning components 5 are arranged in the bottom end of the plate body 1;

the cleaning assembly 5 comprises a cleaning barrel 51 fixed at the bottom end of the sliding plate 3, a plurality of liquid outlets 52 are formed in the outer wall of the cleaning barrel 51, a sponge 53 positioned outside the liquid outlets 52 is sleeved on the outer wall of the cleaning barrel 51, and a scraping plate 54 matched with the through hole 2 is fixed at the bottom end of the cleaning barrel 51.

In this embodiment, after the use of the board body 1 is finished, cleaning solution is added into the cleaning barrel 51 through the spraying component 4, the cleaning solution permeates into the sponge 53 through the liquid outlet 52 on the cleaning barrel 51, then when the cleaning barrel 51 moves downwards and stretches into the through hole 2, the cleaning solution on the sponge 53 is smeared in the through hole 2 in the process of contacting the sponge 53 with the through hole 2, the through hole 2 is wetted, then under the movement of the scraping plate 54, the solder paste in the through hole 2 is scraped and cleaned, the residues of the solder paste in the through hole 2 are reduced, the influence on the next printing caused by the residues of the solder paste is avoided, and the use effect of the board body 1 is improved.

Further, the spray assembly 4 comprises a water tank 41 fixed at the top end of the sliding plate 3, a vertical pipe 42 is communicated with the bottom end of the water tank 41, a transverse pipe 43 is communicated with the vertical pipe 42, a plurality of spray heads 44 positioned in a cleaning barrel 51 are communicated with the bottom end of the transverse pipe 43, and a control valve 45 is fixed on the vertical pipe 42.

The cleaning liquid is filled in the water tank 41, the control valve 45 is opened during cleaning, the cleaning liquid in the water tank 41 is conveyed to the transverse pipe 43 through the vertical pipe 42, the transverse pipe 43 is conveyed to the cleaning barrel 51 through the spray head 44, and the cleaning barrel 51 is filled with the cleaning liquid.

Further, the two sides of the bottom end of the sliding plate 3 are provided with the first sliding blocks 6, the two sides of the top end of the plate body 1 are provided with the first sliding grooves 7 for the first sliding blocks 6 to slide, and the sliding plate 3 can be driven to move horizontally along the plate body 1 in the process of manually sliding the first sliding blocks 6.

Further, the connecting grooves 8 are formed in the top ends of the two first sliding blocks 6, the electric telescopic rods 9 clamped with the connecting grooves 8 are fixed on the two sides of the bottom end of the sliding plate 3, the electric telescopic rods 9 are fixed on the first sliding blocks 6 through the connecting grooves 8, and then in the operation of the electric telescopic rods 9, the sliding plate 3 is driven to move up and down, and then the cleaning assembly 5 can be driven to move up and down to clean the through holes 2.

In a further preferred embodiment of the present utility model, as shown in fig. 4, a bonding pad 10 is disposed at the bottom end of the board 1, grooves 11 are disposed on two sides of the bottom end of the board 1, springs 12 are fixed in the two grooves 11, push plates 13 that are in contact with the bonding pad 10 are fixed on the bottom ends of the two springs 12, and connecting components 14 that are fixed to the bonding pad 10 are disposed on two sides of the board 1.

When tin is applied to the soldering pad 10, the soldering pad 10 is connected with the plate body 1 through the connecting component 14, the pushing plate 13 is extruded in the contact of the soldering pad 10 and the plate body 1, the spring 12 is compressed in the groove 11 by the pushing plate 13, after tin application is finished, the connecting component 14 is separated from the soldering pad 10, and at the moment, the pushing plate 13 is driven to push the soldering pad 10 under the action of the spring 12, so that the soldering pad 10 is conveniently separated from the plate body 1, the discharging of the soldering pad 10 is facilitated, and the discharging efficiency of the soldering pad 10 is improved.

Further, the connecting assembly 14 includes an L-shaped board 141 fixed on the side wall of the board body 1, a second sliding groove 142 is provided on one side of the vertical section of the L-shaped board 141, a second sliding block 143 is slidably connected in the second sliding groove 142, and a connecting block 144 that is in contact with the bonding pad 10 is fixed on one side of the second sliding block 143.

The second slider 143 slides to drive the connection block 144 to move so that the connection block 144 contacts the bottom of the bonding pad 10, and then the second slider 143 continues to move so that the bonding pad 10 contacts the board 1 by driving the connection block 144 to move the bonding pad 10.

Further, the connecting assembly 14 further comprises a third sliding groove 145 formed on the side wall of the vertical section of the L-shaped plate 141, a sliding rod 146 connected with the second sliding block 143 is slidably connected in the third sliding groove 145, and a fastening nut 147 is connected with the outer wall of the sliding rod 146 in a threaded manner.

When the slide bar 146 is manually pushed, the slide bar 146 drives the second slide block 143 to synchronously move, so that the bonding pad 10 is driven to contact with the board body 1, and the fastening nut 147 is rotated at the moment, so that the slide bar 146 can be locked and fixed under the action of the fastening nut 147.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. Printing template, including plate body (1), its characterized in that: the novel cleaning device comprises a plate body (1), and is characterized in that a plurality of through holes (2) are formed in the top end of the plate body (1), a sliding plate (3) is slidably arranged at the top end of the plate body (1), a spraying assembly (4) is arranged at the top end of the sliding plate (3), and a plurality of cleaning assemblies (5) are arranged at the bottom end of the plate body (1);

the cleaning assembly (5) comprises a cleaning barrel (51) fixed at the bottom end of the sliding plate (3), a plurality of liquid outlets (52) are formed in the outer wall of the cleaning barrel (51), a sponge (53) positioned outside the liquid outlets (52) is sleeved on the outer wall of the cleaning barrel (51), and a scraping plate (54) matched with the through hole (2) is fixed at the bottom end of the cleaning barrel (51).

2. The printing stencil of claim 1, wherein: the spray assembly (4) comprises a water tank (41) fixed at the top end of the sliding plate (3), a vertical pipe (42) is communicated with the bottom end of the water tank (41), a transverse pipe (43) is communicated with the vertical pipe (42), a plurality of spray heads (44) located in the cleaning barrel (51) are communicated with the bottom end of the transverse pipe (43), and a control valve (45) is fixed to the vertical pipe (42).

3. The printing stencil of claim 2, wherein: the sliding plate is characterized in that first sliding blocks (6) are arranged on two sides of the bottom end of the sliding plate (3), and first sliding grooves (7) for the first sliding blocks (6) to slide are formed on two sides of the top end of the plate body (1).

4. A printing stencil according to claim 3, wherein: the two top ends of the first sliding blocks (6) are provided with connecting grooves (8), and two sides of the bottom end of the sliding plate (3) are respectively fixed with an electric telescopic rod (9) which is clamped with the connecting grooves (8).

5. The printing stencil of claim 1, wherein: the bottom of plate body (1) is equipped with pad (10), recess (11) have all been seted up to the both sides of plate body (1) bottom, two all be fixed with spring (12) in recess (11), two spring (12) bottom all is fixed with push pedal (13) inconsistent with pad (10), the both sides of plate body (1) are equipped with coupling assembling (14) fixed to pad (10).

6. The printing template of claim 5, wherein: the connecting assembly (14) comprises an L-shaped plate (141) fixed on the side wall of the plate body (1), a second sliding groove (142) is formed in one side of the vertical section of the L-shaped plate (141), a second sliding block (143) is connected in a sliding manner in the second sliding groove (142), and a connecting block (144) which is in contact with the bonding pad (10) is fixed on one side of the second sliding block (143).

7. The printing template of claim 6, wherein: the connecting assembly (14) further comprises a third sliding groove (145) formed in the side wall of the vertical section of the L-shaped plate (141), a sliding rod (146) connected with the second sliding block (143) is connected in a sliding mode in the third sliding groove (145), and a fastening nut (147) is connected to the outer wall of the sliding rod (146) in a threaded mode.