CN217622698U

CN217622698U - High-precision positioning device for full-automatic solder paste printing machine

Info

Publication number: CN217622698U
Application number: CN202221247527.0U
Authority: CN
Inventors: 袁令松; 李春岩; 袁令清
Original assignee: Lingdu Electronic Technology Gu'an Co ltd
Current assignee: Lingdu Electronic Technology Gu'an Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-21
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to a solder paste printing machine's field discloses a full-automatic positioner of solder paste printing machine of high accuracy, including the board of punching, the front and back side of the board of punching is the middle part of fixed connection in the adjacent one side of fixed strip respectively, the fixed strip is kept away from the middle part of one side mutually and is all provided with spout, front end the equal sliding connection in side has first draw runner about the spout. The utility model discloses in, place the circuit board on the fixed plate, the side is placed respectively in the recess that corresponds about fixed plate and circuit board, with first fixed block and second fixed block relative movement extrusion block circuit board, cooperation threaded rod and nut are fixed first fixed block and second fixed block, make the circuit board position can not take place the skew, the degree of accuracy at printing position point has been guaranteed, and the fixed plate, the flexible post of cooperation, spring and fixed column, when receiving pressure, partial pressure is offset to the spring, thereby make the circuit board edge can not buckled, the printing quality has been improved.

Description

High-precision positioning device for full-automatic solder paste printing machine

Technical Field

The utility model relates to a solder paste printing machine's field especially relates to a full-automatic positioner of solder paste printing machine of high accuracy.

Background

A modern solder paste printing machine generally comprises mechanisms such as a plate loading mechanism, a solder paste adding mechanism, an imprinting mechanism and a power transmission circuit board, and the working principle of the machine is that a circuit board to be printed is fixed on a printing positioning table, then solder paste or red glue is subjected to stencil printing on a corresponding bonding pad through a steel mesh by a left scraper and a right scraper of the printing machine, and PCBs which are subjected to uniform stencil printing are input into a chip mounter through a transmission table to be subjected to automatic chip mounting.

In most of the production processes of the existing solder paste printers, the relative position of the welding position and the mesh can be deviated due to vibration or scraping in the related art, so that the defect of inaccurate printing position is caused, and the edge of the circuit board is easily bent by a steel net and a scraper when printing, thereby reducing the printing quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a positioning device for a high-precision full-automatic solder paste printing machine.

In order to realize the purpose, the utility model adopts the following technical scheme: a high-precision positioning device for a full-automatic solder paste printing machine comprises a punching plate, wherein the front side and the rear side of the punching plate are respectively and fixedly connected with the middle part of one side adjacent to a fixed strip, the middle part of one side, which is far away from the fixed strip, of the fixed strip is provided with a sliding groove, the left side and the right side of the sliding groove are respectively and slidably connected with a first sliding strip, the left side and the right side of the sliding groove are respectively and slidably connected with a second sliding strip, the front end of the first sliding strip is respectively and fixedly connected with the middle part of the rear end of a first sliding block, the rear end of the second sliding strip is respectively and fixedly connected with the middle part of the front end of a second sliding block, the top of the first sliding block is respectively and fixedly connected with the front ends of the bottoms of a first fixed block and a second fixed block, the top of the second sliding block is respectively and fixedly connected with the rear ends of the bottoms of the first fixed block and the second fixed block, the middle part of the adjacent one side of first fixed block and second fixed block all is provided with recess, homonymy the equal fixed connection in bottom of fixed column of inboard bottom middle part front and back side of recess, the inboard middle part of fixed column all is provided with flexible post, and flexible post all runs through corresponding fixed column, the equal fixed connection in inboard bottom of fixed column is in the one end with the spring, the other end of spring respectively with the bottom middle part fixed connection of the flexible post that corresponds, the well upper portion of the adjacent one side of recess is provided with the fixed plate, the middle part front and back end of the adjacent one side of recess all is provided with the threaded rod, homonymy the end runs through corresponding first fixed block and second fixed block, homonymy respectively about the threaded rod the equal threaded connection in middle part left and right sides of threaded rod has the nut.

As a further description of the above technical solution:

the top of the inner side of each groove is fixedly connected to the top of the rubber base plate.

As a further description of the above technical solution:

and rubber rings are arranged at the left side and the right side of the middle part of the threaded rod at the same side and are close to the middle part.

As a further description of the above technical solution:

homonymy the equal fixedly connected with stopper of end about the threaded rod.

As a further description of the above technical solution:

and rounding treatment is carried out at the corners of the first fixed block, the second fixed block, the first sliding block and the second sliding block.

As a further description of the above technical solution:

the equal fixedly connected with dead lever in middle part left and right sides of the adjacent one side of fixed strip.

As a further description of the above technical solution:

the first fixing block and the second fixing block are both made of stainless steel.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, through placing the circuit board on the fixed plate, the side is placed respectively in the recess that corresponds about fixed plate and circuit board, with first fixed block and second fixed block relative movement extrusion block fixed plate and circuit board, and cooperation threaded rod and nut threaded connection fix first fixed block and second fixed block to make the circuit board position can not take place the skew, guaranteed the degree of accuracy of printing site.

2. The utility model discloses in, four corners in bottom through the fixed plate are provided with flexible post, cooperation spring and fixed column, and when steel mesh and scraper produced pressure downwards, some pressure was offset to the reaction force of spring to make the circuit board edge can not buckled, improved the printing quality.

Drawings

FIG. 1 is a front view of a positioning device for a high-precision full-automatic solder paste printing machine according to the present invention;

fig. 2 is the utility model provides a full-automatic positioner's of tin cream printing machine of high accuracy structure breakdown map.

Illustration of the drawings:

1. punching a plate; 2. a fixing strip; 3. a chute; 4. a first slide bar; 5. a second slide bar; 6. a first slider; 7. a second slider; 8. a first fixed block; 9. a second fixed block; 10. a groove; 11. fixing a column; 12. a telescopic column; 13. a spring; 14. a fixing plate; 15. a threaded rod; 16. a nut; 17. a limiting block; 18. a rubber ring; 19. fixing the rod; 20. a rubber pad is provided.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a high-precision positioning device for a full-automatic solder paste printing machine comprises a punching plate 1, wherein the front side and the rear side of the punching plate 1 are respectively and fixedly connected with the middle part of one side adjacent to a fixing strip 2, the middle parts of the sides, far away from one side, of the fixing strip 2 are respectively provided with a sliding groove 3, the left side and the right side of a front sliding groove 3 are respectively and slidably connected with a first sliding strip 4, the left side and the right side of a rear sliding groove 3 are respectively and slidably connected with a second sliding strip 5, the front end of the first sliding strip 4 is respectively and fixedly connected with the middle part of the rear end of a first sliding block 6, the rear end of the second sliding strip 5 is respectively and fixedly connected with the middle part of the front end of a second sliding block 7, the top of the first sliding block 6 is respectively and fixedly connected with the front ends of the bottoms of a first fixing block 8 and a second fixing block 9, the top of the second sliding block 7 is respectively and fixedly connected with the rear ends of the bottoms of the first fixing block 8 and the second fixing block 9, the middle parts of one side adjacent to the first fixing block 8 and the second fixing block 9 are respectively provided with a groove 10, the front side and the rear side of the middle part of the bottom end of the inner side of the groove 10 at the same side are fixedly connected with the bottom of the fixed column 11, the middle part of the inner side of the fixed column 11 is provided with a telescopic column 12, the telescopic columns 12 penetrate through the corresponding fixed column 11, the bottom end of the inner side of the fixed column 11 is fixedly connected with one end of a spring 13, the other end of the spring 13 is fixedly connected with the middle part of the bottom end of the corresponding telescopic column 12, the middle upper part of the adjacent side of the groove 10 is provided with a fixed plate 14, the front end and the rear end of the middle part of the adjacent side of the groove 10 are provided with threaded rods 15, the left end and the right end of the threaded rod 15 at the same side penetrate through a corresponding first fixed block 8 and a second fixed block 9 respectively, the left side and the right side of the middle part of the threaded rod 15 at the same side are in threaded connection with nuts 16, when in use, the circuit board is placed on the fixed plate 14, and the left side and the right side of the circuit board are respectively placed in the corresponding groove 10, with first fixed block 8 and second fixed block 9 relative movement extrusion block fixed plate 14 and circuit board, cooperation threaded

rod

15 and 16 threaded connection of nut fix first fixed block 8 and second fixed block 9, thereby make the circuit board position skew can not take place, the degree of accuracy at printing position has been guaranteed, and four corners in bottom through fixed plate 14 are provided with flexible post 12, cooperation spring 13 and fixed column 11, when steel mesh and scraper produced pressure downwards, some pressure is offset to spring 13's reaction force, thereby make the circuit board edge can not buckled, the printing quality has been improved, fixed plate 14 has not unidimensional fixed plate 14 according to the length production of circuit board.

Equal fixed connection in rubber backing plate 20's in inboard top of recess 10, be convenient for strengthen the protection to the circuit board, the side all is provided with rubber ring 18 near middle part department about the middle part of homonymy threaded rod 15, cause extrusion damage to first fixed block 8 and second fixed block 9 when preventing nut 16 and threaded rod 15 threaded connection, the equal fixedly connected with stopper 17 of left and right-hand member of homonymy threaded rod 15, be convenient for carry on spacingly, first fixed block 8, second fixed block 9, rounding processing is all done to the corner of first sliding block 6 and second sliding block 7, prevent first fixed block 8, second fixed block 9, cause the scratch to other inside components and parts when first sliding block 6 and second sliding block 7 slide, the equal fixedly connected with dead lever 19 in middle part left and right sides of the adjacent one side of fixed strip 2, fixed connection is strengthened to bank flower language, first fixed block 8 and second fixed block 9 all adopt stainless steel, prevent that first fixed block 8 and second fixed block 9 from warping.

The working principle is as follows: through placing the circuit board on fixed plate 14, the left and right sides of fixed plate 14 and circuit board is placed respectively in the recess 10 that corresponds, extrude block fixed plate 14 and circuit board with first fixed block 8 and the relative movement of second fixed block 9, cooperation threaded rod 15 and nut 16 threaded connection fix first fixed block 8 and second fixed block 9, thereby make the circuit board position can not take place the skew, the degree of accuracy at printing position has been guaranteed, and four corners in bottom through fixed plate 14 are provided with flexible post 12, cooperation spring 13 and fixed column 11, when steel mesh and scraper produced pressure downwards, some pressure are offset to spring 13's reaction force, thereby make the circuit board edge can not buckled, the printing quality has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a full-automatic positioner of tin cream printing machine of high accuracy, includes perforating board (1), its characterized in that: the front side and the rear side of the punching plate (1) are respectively fixedly connected with the middle part of the adjacent side of the fixed strip (2), the middle part of the far side of the fixed strip (2) is provided with a sliding groove (3), the front end of the left side and the right side of the sliding groove (3) are respectively connected with a first sliding strip (4) in a sliding way, the rear end of the left side and the right side of the sliding groove (3) are respectively connected with a second sliding strip (5) in a sliding way, the front end of the first sliding strip (4) is respectively fixedly connected with the middle part of the rear end of the first sliding block (6), the rear end of the second sliding strip (5) is respectively fixedly connected with the middle part of the front end of the second sliding block (7), the top of the first sliding block (6) is respectively fixedly connected with the front end of the bottom of the first fixed block (8) and the rear end of the bottom of the second fixed block (9), the middle parts of the adjacent sides of the first fixed block (8) and the second fixed block (9) are respectively provided with a groove (10), the middle parts of the front side and rear sides of the fixed columns (11) are respectively connected with the inner sides of the fixed columns (11), and the telescopic columns (11) are respectively arranged on the same side, and the inner sides of the front and rear sides of the fixed columns (11) are respectively provided with the telescopic columns (11) and rear sides of the telescopic columns (11) which are respectively arranged on the same side, and the same side of the telescopic columns (11), the other end of spring (13) respectively with the bottom middle part fixed connection of the flexible post (12) that corresponds, the well upper portion of the adjacent one side of recess (10) is provided with fixed plate (14), the middle part front and back end of the adjacent one side of recess (10) all is provided with threaded rod (15), homonymy the end runs through corresponding first fixed block (8) and second fixed block (9) respectively about threaded rod (15), homonymy the equal threaded connection in middle part left and right sides of threaded rod (15) has nut (16).

2. The positioning device for the high-precision full-automatic solder paste printing machine according to claim 1, characterized in that: the tops of the inner sides of the grooves (10) are fixedly connected to the tops of the rubber base plates (20).

3. The positioning device for the high-precision full-automatic solder paste printing machine according to claim 1, characterized in that: and rubber rings (18) are arranged on the left side and the right side of the middle part of the threaded rod (15) on the same side and close to the middle part.

4. The positioning device for the high-precision full-automatic solder paste printing machine according to claim 1, characterized in that: the left end and the right end of the threaded rod (15) on the same side are fixedly connected with limit blocks (17).

5. The positioning device for the high-precision full-automatic solder paste printing machine according to claim 1, characterized in that: and rounding treatment is carried out at the corners of the first fixed block (8), the second fixed block (9), the first sliding block (6) and the second sliding block (7).

6. The positioning device for the high-precision full-automatic solder paste printing machine according to claim 1, characterized in that: the left side and the right side of the middle part of one adjacent side of the fixing strip (2) are fixedly connected with fixing rods (19).

7. The positioning device for the high-precision full-automatic solder paste printing machine according to claim 1, characterized in that: the first fixing block (8) and the second fixing block (9) are both made of stainless steel materials.