CN215301341U

CN215301341U - SMT paster lock tool

Info

Publication number: CN215301341U
Application number: CN202121261771.8U
Authority: CN
Inventors: 汤谷辉; 汤雪辉
Original assignee: Shenzhen Sanhuichuang Electronics Co ltd
Current assignee: Shenzhen Sanhuichuang Electronics Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-24
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a SMT paster lock tool relates to tool design field, include down the tool, go up the tool and compress tightly the subassembly, the locating hole has been seted up to four corners of top outer wall of tool down, the bottom inner wall cross section of locating hole is the rectangle, the top inner wall cross section of locating hole is isosceles trapezoid, the mounting hole has all been seted up to four corners of top outer wall of going up the tool. Through being provided with the ball, locating hole and post that moves down, will be down the tool with last tool laminating back, the turning block rotates, can impel the oblique inslot of the post that moves down with the catch bar through the connecting rod, make the post that moves down move down through the catch bar and move down, then move the post that moves down, the bottom conical body that makes the post that moves down is released the ball from going out the ball hole, make ball location joint on the inner wall of locating hole, the sphere that uses the ball more has the inner wall that is used for blocking the locating hole on, can not be to the scratch that causes of the inner wall of locating hole, service life has been increased.

Description

SMT paster lock tool

Technical Field

The utility model relates to a tool design field, in particular to SMT paster lock tool.

Background

SMT is a surface mount technology, which is the most popular technology and process in the electronic assembly industry. Electronic circuit surface assembly techniques, known as surface mount or surface mount techniques. The surface-mounted component without pins or short leads is mounted on the surface of a printed circuit board or other substrates and is welded and assembled by methods such as reflow soldering or dip soldering.

In prior art, general SMT paster lock tool is all earlier with the paster place between two upper and lower tools, laminate, fixes two tools through the bolt, makes the paster stable, but uses bolted connection's mode for a long time, and the screw hole of tool can be impaired, then smooth silk makes the tool premium, consequently, we disclose an SMT paster lock tool.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide an SMT paster lock tool to solve the problem that proposes in the above-mentioned background art, block the form of the inner wall of locating hole through the ball, replace the spiro union installation.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a SMT paster lock tool, includes tool, goes up the tool and compresses tightly the subassembly down, the locating hole has been seted up to four corners of the top outer wall of tool down, the bottom inner wall cross section of locating hole is the rectangle, the top inner wall cross section of locating hole is isosceles trapezoid, the mounting hole has all been seted up to four corners of the top outer wall of going up the tool, the inner wall fixed mounting of mounting hole has a location section of thick bamboo, a location section of thick bamboo slidable mounting is on the inner wall of locating hole, the ball hole that goes out that the equidistance distributes is seted up to the cylinder outer wall of a location section of thick bamboo, the inner wall slidable mounting that goes out the ball hole has the ball, the inner wall slidable mounting of a location section of thick bamboo has the post that moves down, the bottom outer wall that moves down is the conical body, it is in to compress tightly the subassembly setting the top of tool for compress tightly the paster.

By means of the structure: after the lower jig and the upper jig are attached, the downward moving column is moved, the bottom conical body of the downward moving column pushes the ball out of the ball outlet hole, the ball is clamped on the inner wall of the positioning hole in a positioning mode, the spherical surface of the ball is used for clamping the inner wall of the positioning hole, the inner wall of the positioning hole cannot be scratched, and the service life of the positioning hole is prolonged.

Preferably, four sliding holes distributed at equal intervals are formed in the outer wall of the top of the upper jig, the pressing assembly comprises four guide rods, a pressing plate and a first spring, the guide rods are slidably mounted on the inner wall of the sliding holes, the pressing plate is fixedly mounted on the outer wall of the bottom of each guide rod, the first spring is sleeved on the outer wall of a cylinder of each guide rod, and two ends of the first spring are respectively in contact with the upper jig and the pressing plate.

Further, when the pressure strip contacted the laminating, the pressure strip can shift up, and first spring received the compression this moment, produced reaction force, and the pressure strip closely pastes the paster, with compressing tightly of paster.

Preferably, the top outer wall fixed mounting of guide bar has first limiting plate, prevents down the tool and go up the tool when separately, prevents that first spring from kick-backing, breaks away from the pressure strip and goes up the tool.

Preferably, the middle parts of two sides of the outer wall of the top of the upper jig are rotatably provided with rotating blocks, two ends of each rotating block are rotatably provided with connecting rods, and one end, far away from the rotating blocks, of each connecting rod is rotatably provided with a push rod.

Furthermore, the rotating block rotates, the push rod can be pulled out of the downward moving column through the connecting rod, and therefore the downward moving column can move.

Preferably, one end of the pushing rod, which is far away from the connecting rod, is shaped as an inclined block, an inclined groove is formed in the outer wall of one side of the downward moving column, and the connecting rod is matched with the inclined groove.

Furthermore, when the push rod pushes the inclined groove of the downward moving column, the downward moving column moves downwards through the push rod, so that the ball is pushed out.

Preferably, the top outer wall of the rotating block is provided with a limiting hole, the middle parts of two sides of the top outer wall of the upper jig are provided with limiting holes, the inner wall of each limiting hole is slidably provided with a positioning pin, and the bottom outer wall of each positioning pin is fixedly provided with a second limiting plate.

Furthermore, the locating pin can be dead with the turning block lock, prevents that the turning block from rotating.

Preferably, the outer wall of the bottom of the limiting hole is provided with a second spring, and one end of the top of the second spring is in contact with the second limiting plate.

Further, the second spring can lock the positioning pin to the rotating block at any time.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses in, through being provided with the ball, the locating hole and the post that moves down, to descend the tool and go up the tool laminating back, the turning block rotates, can impel the oblique inslot that moves down the post through the connecting rod with the catch bar, it moves down to make the post that moves down move down through the catch bar, then move the post that moves down, the bottom conical body that makes the post that moves down releases the ball from going out the ball hole, make ball location joint on the inner wall of locating hole, the sphere that uses the ball more has the inner wall that is used for blocking the locating hole, can not be to the scratch that causes of the inner wall of locating hole, service life has been increased.

2. The utility model discloses in, through being provided with the pressure assembly, when the pressure strip contacted the laminating, the pressure strip can shift up, and first spring received the compression this moment, produced reaction force, and the pressure strip closely pastes the paster, with compressing tightly of paster.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of a front view of a partial sectional structure of the present invention;

fig. 3 is a schematic left-side view partially cross-sectional structural view of the present invention;

fig. 4 is a schematic front view of the structure of the present invention;

FIG. 5 is a schematic sectional view taken along line A-A in FIG. 4;

fig. 6 is an enlarged schematic view of a portion a in fig. 5.

In the figure: 1. a lower jig; 2. mounting a jig; 3. moving the column downwards; 4. rotating the block; 5. a connecting rod; 6. a push rod; 7. a compression plate; 8. a first spring; 9. a guide bar; 10. a positioning cylinder; 11. a ball bearing; 12. positioning holes; 13. a second spring; 14. and a positioning pin.

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.

Example (b): referring to fig. 1-4, an SMT patch fastening jig includes an upper jig 2 and a pressing component, a positioning hole 12 is formed at four corners of the outer wall of the top of the lower jig 1, the cross section of the inner wall of the bottom of the positioning hole 12 is rectangular, and the inner wall of the positioning hole is mainly used for helping the lower jig 1 and the upper jig 2 to be tightly attached to each other.

The cross section of the inner wall of the top of the positioning hole 12 is isosceles trapezoid, and the isosceles trapezoid is mainly formed in such a way that the balls can be fixed in the positioning hole.

Four corners of the top outer wall of last tool 2 have all seted up the mounting hole, the inner wall fixed mounting of mounting hole has a location section of thick bamboo 10, location section of thick bamboo 10 slidable mounting is on the inner wall of locating hole 12, the ball hole that goes out of equidistance distribution is seted up to the cylinder outer wall of a location section of thick bamboo 10, the inner wall slidable mounting who goes out the ball hole has ball 11, the inner wall slidable mounting of a location section of thick bamboo 10 has the post 3 that moves down, the bottom outer wall that moves down post 3 is the conical body, will lower tool 1 and the laminating of last tool 2, then move down post 3, make the bottom conical body that moves down post 3 release ball 11 from going out the ball hole, make ball 11 location joint on the inner wall of locating hole 12, compress tightly the subassembly and set up the top at last tool 2, be used for compressing tightly the paster.

By means of the structure: after the lower jig 1 and the upper jig 2 are attached, the downward moving column 3 is moved, the ball 11 is pushed out from the ball outlet hole by the bottom conical body of the downward moving column 3, the ball 11 is positioned and clamped on the inner wall of the positioning hole 12, the spherical surface of the ball 11 is used for clamping the inner wall of the positioning hole 12, the inner wall of the positioning hole 12 cannot be scratched, and the service life is prolonged.

For a preferred embodiment in this embodiment, go up the top outer wall of tool 2 and offer four equidistant sliding holes that distribute, hold-down assembly includes four guide bars 9, pressure strip 7 and first spring 8, guide bar 9 slidable mounting is on the sliding hole inner wall, pressure strip 7 fixed mounting is on the bottom outer wall of guide bar 9, first spring 8 cup joints the cylinder outer wall of installing at guide bar 9, first spring 8's both ends contact with last tool 2 and pressure strip 7 respectively, when pressure strip 7 contacts the laminating, pressure strip 7 can shift up, first spring 8 receives the compression this moment, produce the reaction force, the paster is hugged closely to pressure strip 7, compress tightly of paster.

For a preferred embodiment in this embodiment, the top outer wall fixed mounting of guide bar 9 has first limiting plate, prevents down tool 1 and last tool 2 when separately, prevents that first spring 8 from kick-backing, breaks away from pressure strip 7 and goes up tool 2.

For a preferred implementation mode in this embodiment, the middle parts of the two sides of the top outer wall of the upper jig 2 are rotatably provided with the rotating blocks 4, the two ends of each rotating block 4 are rotatably provided with the connecting rods 5, one end, far away from the rotating block 4, of each connecting rod 5 is rotatably provided with the push rod 6, so that the rotating blocks 4 are prevented from rotating, the push rods 6 can be drawn out of the downward moving columns 3 through the connecting rods 5, and the downward moving columns 3 can move.

In a preferred embodiment of the present invention, one end of the pushing rod 6, which is away from the connecting rod 5, is shaped as an oblique block, an oblique groove is formed in an outer wall of one side of the downward moving column 3, the connecting rod 5 is adapted to the oblique groove, and when the pushing rod 6 pushes the downward moving column 3 into the oblique groove, the pushing rod 6 moves the downward moving column 3 downward, so as to push the ball 11 out.

For a preferred embodiment in this embodiment, spacing hole has been seted up to the top outer wall of turning block 4, and spacing hole has all been seted up at the both sides middle part of going up 2 top outer walls of tool, and the inner wall slidable mounting in spacing hole has locating pin 14, and the bottom outer wall fixed mounting of locating pin 14 has the second limiting plate, and locating pin 14 can be dead with turning block 4 lock, prevents that turning block 4 from rotating.

In a preferred embodiment of the present invention, the outer wall of the bottom of the limiting hole is provided with a second spring 13, one end of the top of the second spring 13 contacts with the second limiting plate, and the second spring 13 can lock the positioning pin 14 to the rotating block 4 at any time.

This practical theory of operation:

after will be down tool 1 and the laminating of last tool 2, turning block 4 rotates, can impel pushing rod 6 to move down the oblique inslot of post 3 through connecting rod 5, make through pushing rod 6 move down post 3 and move down, then move down post 3, the bottom conical body that makes post 3 that moves down pushes ball 11 out from a ball hole, make ball 11 location joint on the inner wall of locating hole 12, the sphere that uses ball 11 more has the inner wall that is used for blocking locating hole 12 on, can not be to the scratch that causes of the inner wall of locating hole 12, and service life is prolonged.

When the pressing plate 7 contacts the attaching part, the pressing plate 7 moves upwards, the first spring 8 is compressed to generate a reaction force, and the pressing plate 7 is tightly attached to the patch to tightly press the patch.

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 SMT paster lock tool, includes tool (1) down, goes up tool (2) and compresses tightly the subassembly, its characterized in that: locating hole (12) have been seted up to four corners of the top outer wall of lower tool (1), the bottom inner wall cross section of locating hole (12) is the rectangle, the top inner wall cross section of locating hole (12) is isosceles trapezoid, the mounting hole has all been seted up to four corners of the top outer wall of going up tool (2), the inner wall fixed mounting of mounting hole has a location section of thick bamboo (10), location section of thick bamboo (10) slidable mounting is on the inner wall of locating hole (12), the ball hole that goes out that the equidistance distributes is seted up to the cylinder outer wall of a location section of thick bamboo (10), the inner wall slidable mounting that goes out the ball hole has ball (11), the inner wall slidable mounting of a location section of thick bamboo (10) has down to move post (3), the bottom outer wall that moves post (3) down is the cone, it sets up to compress tightly the subassembly the top of last tool (2) for compress tightly the paster.

2. An SMT patch fastening jig according to claim 1, wherein: go up the top outer wall of tool (2) and offer four equidistant sliding holes that distribute, compress tightly the subassembly and include four guide bar (9), pressure strip (7) and first spring (8), guide bar (9) slidable mounting be in on the sliding hole inner wall, pressure strip (7) fixed mounting is on the bottom outer wall of guide bar (9), first spring (8) cup joint the cylinder outer wall of installing in guide bar (9), the both ends of first spring (8) respectively with go up tool (2) with pressure strip (7) contact.

3. An SMT patch fastening jig according to claim 2, wherein: a first limiting plate is fixedly mounted on the outer wall of the top of the guide rod (9).

4. An SMT patch fastening jig according to claim 3, wherein: go up the both sides middle part rotation of the top outer wall of tool (2) and install turning block (4), the both ends of turning block (4) are rotated and are installed connecting rod (5), connecting rod (5) are kept away from the one end rotation of turning block (4) is installed catch bar (6).

5. An SMT patch fastening jig according to claim 4, wherein: one end of the pushing rod (6) far away from the connecting rod (5) is shaped as an inclined block, an inclined groove is formed in the outer wall of one side of the downward moving column (3), and the connecting rod (5) is matched with the inclined groove.

6. An SMT patch fastening jig according to claim 5, wherein: spacing hole has been seted up to the top outer wall of turning block (4), spacing hole has all been seted up at the both sides middle part of going up tool (2) top outer wall, the inner wall slidable mounting in spacing hole has locating pin (14), the bottom outer wall fixed mounting of locating pin (14) has the second limiting plate.

7. An SMT patch fastening jig according to claim 6, wherein: the bottom outer wall of the limiting hole is provided with a second spring (13), and one end of the top of the second spring (13) is in contact with a second limiting plate.