CN215658849U

CN215658849U - Circuit board press-fitting device

Info

Publication number: CN215658849U
Application number: CN202121235258.1U
Authority: CN
Inventors: 吴义保; 朱平; 丁世联; 杨林; 孙元峰; 张飞飞; 马凯英
Original assignee: CETC 38 Research Institute
Current assignee: CETC 38 Research Institute
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-01-28
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to the technical field of electronic product assembly, in particular to a circuit board press-fitting device which comprises a supporting mechanism, a tool jig and a press-fitting mechanism, wherein the tool jig is arranged in the supporting mechanism, the press-fitting mechanism is positioned above the tool jig, the press-fitting mechanism comprises a lower part, a guide part and a driving part, and the lower part is driven by the driving part to move up and down along the axial direction of the guide part; the press-fitting device for the circuit board solves the problem that the circuit board is unstable to assemble due to the fact that the circuit board and the connector are welded.

Description

Circuit board press-fitting device

Technical Field

The utility model relates to the technical field of electronic product assembly, in particular to a circuit board press-fitting device.

Background

Under the background of increasingly vigorous development of science and technology, the electronic industry is rapidly developed, and competition in the industry is increased. The industry competitiveness of electronic products relates to factors such as product functions, quality, cost and the like, and the cost reduction is an important way for improving the competitiveness of electronic product enterprises on the premise of ensuring the product functions and quality. The production of electronic products comprises a plurality of processes, and the reasonable optimization process can effectively improve the production efficiency, thereby achieving the purpose of reducing the cost.

The production flow of electronic products has a circuit board assembly process. The traditional assembly method is that the circuit board and the connector are welded. Obviously, the manual work efficiency is low, and the quality state is uncontrollable, probably leads to the circuit board assembly unstability. Therefore, there is a need for a more efficient circuit board crimping apparatus that employs a novel assembly method.

In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem of unstable circuit board assembly caused by the welding mode of the circuit board and the connector, and provides a circuit board press-mounting device.

In order to achieve the purpose, the utility model discloses a circuit board press-fitting device which comprises a supporting mechanism, a tool jig and a press-fitting mechanism, wherein the tool jig is arranged in the supporting mechanism, the press-fitting mechanism is positioned above the tool jig, the press-fitting mechanism comprises a lower part, a guide part and a driving part, and the lower part is driven by the driving part to move up and down along the axial direction of the guide part.

The pressing piece comprises a pressing block and a lower pressing piece, the pressing block is located below the lower pressing piece, the guide piece comprises a guide rod, a linear bearing and a guide rod connecting plate, one end of the guide rod is connected with the lower pressing piece, the other end of the guide rod is connected with the guide rod connecting plate, and the linear bearing is sleeved on the guide rod and is connected with the upper portion of the supporting mechanism.

The supporting mechanism comprises a bottom plate, a supporting column and a top plate, the bottom of the supporting column is arranged on the bottom plate, the top of the supporting column is arranged on the top plate, the tooling jig is arranged on the bottom plate, and the linear bearing is connected with the top plate.

The tool fixture is characterized in that a guide rail, a sliding block and a sliding adapter plate are arranged between the bottom plate and the tool fixture, the guide rail is arranged above the bottom plate, the sliding block is arranged below the sliding adapter plate, the sliding block is connected with the guide rail and can slide along the guide rail, and the tool fixture is arranged on the sliding adapter plate. The tool jig is arranged on the sliding adapter plate, the sliding block slides on the guide rail, and the position of the sliding adapter plate can be adjusted, so that the relative position of the tool jig and the pressing block is adjusted, and the tool jig is convenient to replace and maintain.

The bottom plate is provided with a sensor mounting seat, the sensor mounting seat is provided with a sensor mounting rod, the shaft clamp is fixed on the sensor mounting rod, and the optical sensor is fixed with the shaft clamp through the switching support. The distance between the sliding connection plate and the rear side of the bottom plate is monitored through the optical sensor, so that the stop and start of the moving cylinder can be controlled in time, and the press mounting efficiency and quality of the circuit board are prevented from being reduced due to the fact that deviation is generated between the relative positions of the tool jig on the sliding connection plate and the press-fitting block.

The bottom plate still is equipped with the buffer mounting panel, the buffer mounting panel locate and be located one side that the bottom plate is close to the frock tool, be equipped with locating piece and buffer on the buffer mounting panel respectively. Carry on spacingly through the locating piece to sliding connection board, the buffer cushions sliding connection board, has further guaranteed the accuracy of the relative position of frock tool and pressfitting piece.

The sliding adapter plate is connected with a moving cylinder, a cylinder column of the moving cylinder is connected with a cylinder adapter plate arranged on the sliding adapter plate, and the moving cylinder is connected with the bottom plate through a cylinder mounting plate arranged on the bottom plate. The cylinder post of motion cylinder drives the slip keysets and removes, adjusts the position of slip keysets to adjust the position of frock tool, the degree of accuracy when having guaranteed the circuit board pressure equipment is convenient for simultaneously to the change and the maintenance of frock tool.

The press-fit mechanism further comprises a displacement sensor, a displacement sensor mounting plate and a displacement sensor positioning plate, wherein the displacement sensor mounting plate is arranged on one side of the top of the supporting mechanism, the displacement sensor is arranged on the displacement sensor mounting plate, the displacement sensor positioning plate is arranged on the pressing piece, and the lower end of the displacement sensor is in contact with the displacement sensor positioning plate. The distance between the pressing piece and the displacement sensor positioning plate is detected through the displacement sensor, the distance between the pressing piece and the positioning plate is judged, and the height of the pressing block is conveniently controlled.

The tool fixture is provided with a positioning hole and a mounting groove, a pressing block is arranged in the mounting groove, an inserting and pulling pin is arranged in the positioning hole, and the pressing block and the inserting and pulling pin are used for connecting the tool fixture with the sliding adapter plate. The fixture jig is fixed on the sliding adapter plate through the pressing block and the inserting and pulling pin, when the fixture jig needs to be replaced, the pressing block and the inserting and pulling pin are taken down, the fixture jig is detachable, and the fixture jig can be adjusted conveniently according to circuit boards of different shapes and sizes.

And the tooling jig is provided with a positioning groove. The locating slot on the tooling fixture limits the circuit board to be assembled placed in the locating slot, and prevents the circuit board to be assembled from deviating when the circuit board to be assembled moves on the tooling fixture to cause press fitting.

The shape of the pressing block is the same as that of the circuit board to be assembled, the edge of the pressing block is convex, and the middle of the pressing block is concave. The edge convex part of the press-fit block is contacted with the circuit board and is slowly pressed.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model adopts crimping to replace welding in the assembly of the circuit board and the connector. The traditional mode adopts manual welding, and is inefficient, and the quality management and control degree of difficulty is high. According to the compression joint mode, the connector and the lower shell are integrated, the metal clamping pin is arranged inside the connector, the circuit board is placed in the lower shell, and after compression, the clamping pin of the connector is clamped into the jack on the circuit board, so that assembly is completed, the assembly efficiency is improved, and the quality of the circuit board is also ensured;

2. the tool fixture can be quickly replaced, is also suitable for assembly of other products after replacement, and solves the problem of compatible and flexible production of various products.

3. The optical sensor is fixed on the mounting rod through the shaft clamp, and the matching relation between the shaft clamp and the mounting rod can be adjusted according to needs so as to adjust the mounting angle and position of the optical sensor and adapt to the detection of products with different specifications.

Drawings

FIG. 1 is a schematic diagram of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a frame structure according to the present invention;

FIG. 3 is a schematic view of a feed mechanism of the present invention;

FIG. 4 is a schematic view of a pressing mechanism according to the present invention;

FIG. 5 is an enlarged view of part A of FIG. 4;

fig. 6 is a partially enlarged view of portion B of fig. 2.

The figures in the drawings represent:

1-a support mechanism; 101-a base plate; 102-a support column; 103-a top plate; 104-a cylinder mounting plate; 105-a guide rail; 106-shaft clamp; 107-an optical sensor; 108-a sensor mount; 109-sensor mounting rod; 110-a transition support; 2-tooling a jig; 201-sliding adapter plate; 202-a slide block; 203-tooling jig; 204-a compact block; 205-plug pins; 206-positioning block; 207-bumper mounting plate; 208-a buffer; 209-motion cylinder; 210-a cylinder adapter plate; 3-a pressing mechanism; 301-a pressing block; 302-a hold down; 304-a guide rod; 305-linear bearings; 306-guide bar attachment plate; 307-electric cylinder; 308-a displacement sensor; 309-displacement sensor mounting plate; 310-displacement sensor positioning plate.

Detailed Description

The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.

Example 1

The embodiment provides a circuit board press-fitting device, as shown in fig. 1-6, including supporting mechanism 1, tooling fixture 2 and press-fitting mechanism 3, tooling fixture 2 is located in supporting mechanism 1, press-fitting mechanism 3 is located above tooling fixture 2, press-fitting mechanism 3 is located above tooling fixture 203, press-fitting mechanism 3 includes press-fitting block 301, hold-down 302, electric cylinder 307, guide rod 304, linear bearing 305, guide rod connecting plate 306, press-fitting block 301 is located under hold-down 302, hold-down 302 is connected with guide rod 304, the guide rod 304 other end is connected with guide rod connecting plate 306, linear bearing 305 is located on guide rod 304 and is connected with supporting mechanism 1 upper portion, electric cylinder 307 is located on supporting mechanism 1, the cylinder post of electric cylinder 307 is connected with hold-down 302.

In this embodiment, the supporting mechanism 1 includes a bottom plate 101, a supporting column 102, and a top plate 103, the bottom of the supporting column 102 is disposed on the bottom plate 101, the top plate 103 is disposed on the top of the supporting column 102, the tooling fixture 2 is disposed on the bottom plate 101, and the linear bearing 305 is connected to the top plate 101.

When the circuit board is pressed, after the tooling jig 203 is fixed on the bottom plate 101, the tooling jig 203 is located below the pressing block 301, the lower shell of the circuit board to be assembled is placed in the tooling jig 203, the circuit board is placed in the lower shell, the starting switch is pressed, the electric cylinder 307 is started to drive the pressing piece 302 to descend, the pressing block 301 is driven by the pressing piece 302 to move downwards until the protruding part on the edge of the pressing block 301 is contacted with the circuit board, the pressing is performed slowly, after the pressing is completed, the cylinder column of the electric cylinder 307 moves upwards to drive the pressing piece 302 and the pressing block 301 to reset, and the pressing of the circuit board is completed.

In this embodiment, the shape of the pressing block 301 is the same as that of the circuit board to be assembled, and the edge of the pressing block 301 is convex and the middle is concave. The shape of the pressing block 301 is adjusted according to the shape of the circuit board to be assembled, and when the circuit board is pressed, the circuit board is limited through the edge bulge of the pressing block, so that the circuit board can be pressed conveniently.

Example 2

In this embodiment, on the basis of embodiment 1, as shown in fig. 1 to 3, a guide rail 105, a slider 202, and a sliding adapter plate 201 are disposed between the bottom plate 101 and the tooling fixture 203, the guide rail 105 is disposed above the bottom plate 101, the slider 202 is disposed below the sliding adapter plate 201, the slider 202 is connected to the guide rail 105 and can slide along the guide rail 105, and the tooling fixture 203 is disposed on the sliding adapter plate 201. The tooling jig is arranged on the sliding connection plate, the guide rail is arranged on the bottom plate, the sliding block is arranged below the sliding connection plate, and the position of the tooling jig is moved and adjusted by moving the sliding block on the guide rail, so that the tooling jig and the pressing block are in the same direction, and the influence on the press fitting quality of the circuit board caused by the position inconsistency of the tooling jig and the pressing block in the press fitting process is prevented.

In this embodiment, as shown in fig. 3, a moving cylinder 209 is connected to the sliding adapter plate 201, a cylinder post of the moving cylinder 209 is connected to a cylinder adapter plate 210 disposed on the sliding adapter plate 201, and the moving cylinder 209 is connected to the base plate 101 through a cylinder mounting plate 104 disposed on the base plate 101. The starting switch is pressed, the moving cylinder 209 drives the sliding adapter plate 201 to move, after the sliding adapter plate 201 moves to a specified position, the electric cylinder 307 is started to drive the lower pressing piece 302 to descend, the pressing block 301 is driven by the lower pressing piece 302 to move downwards through the connecting piece 311, the distance of downward movement is monitored through the displacement sensor 310, the pressing block 301 descends to a proper height, and the protruding part of the edge of the pressing block 301 is in contact with the circuit board and is slowly pressed. After the pressing is completed, the cylinder column of the electric cylinder 307 moves upwards to drive the lower pressing piece 302 and the pressing block 301 to reset, meanwhile, the moving cylinder 209 works to drive the sliding adapter plate 201 to move along the guide rail 105, so that the tooling jig 203 returns to the initial position, the pressing of the circuit board is completed, the equipment returns to the initial state, and the next pressing process is prepared; the moving cylinder 209 is fixed on the bottom plate 101 through the cylinder mounting plate 104, and the moving cylinder 209 is fixed, so that the use stability of the moving cylinder 209 is improved.

In this embodiment, as shown in fig. 2 and 3, the bottom plate 101 is further provided with a buffer mounting plate 207, the buffer mounting plate 207 is disposed on one side of the bottom plate close to the tooling fixture 203, and the buffer mounting plate 207 is provided with a positioning block 206 and a buffer 208. Set up buffer 208 in bottom plate 101 one side, when the slip keysets 201 is being driven by motion cylinder 209 and is moving, carry on spacingly by locating piece 206 to the slip keysets 201, buffer 208 cushions the inertia of slip keysets 201, prevent that slip keysets 201 from stopping the back at motion cylinder 209, because the displacement that inertia caused, lead to the relative position of pressfitting piece 301 and frock tool 203 to produce the skew, influence the pressure equipment quality and the efficiency of circuit board.

Example 3

In this embodiment, on the basis of embodiment 2, as shown in fig. 2, 3 and 6, the bottom plate is provided with an optical sensor adapter 106, the optical sensor adapter 106 is arranged on one side of the bottom plate close to the tooling fixture 203, and the optical sensor adapter 106 is provided with an optical sensor 107. Through set up optical sensor 107 in bottom plate 101 one side, through the position of optical sensor 107 response slip keysets 201 to judge whether motion cylinder 209 need continue work, further carry on spacingly to slip keysets 201, after slip keysets 201 reached corresponding position, transmit the signal for the treater, the treater is still to stretch out and draw back according to the signal judgement motion cylinder 209. The installation angle and the height of the optical sensor can be adjusted according to actual needs, during actual installation, the sensor installation seat 108 is locked and fixed on the bottom plate 101, the shaft clamp 106 is sleeved in the sensor installation rod 109 to be fixed after the height is determined, the optical sensor 107 is installed and fixed on the switching support 110, and the switching support 110 is fixed on the shaft clamp 106 after the angle of the sensor is adjusted, and the bolt is used for screwing the switching support 110.

Example 4

In this embodiment, on the basis of embodiment 1, as shown in fig. 4, the pressing mechanism 3 further includes a displacement sensor 308, a displacement sensor mounting plate 309, and a displacement sensor positioning plate 310, the displacement sensor 310 mounting plate is disposed on one side of the top plate 103, the displacement sensor 310 is disposed on the displacement sensor mounting plate 309, the displacement sensor 308 positioning plate is disposed on the pressing member 302, and a lower end of the displacement sensor 308 contacts with the displacement sensor positioning plate 310. The distance of the up-and-down displacement of the pressing piece 302 is detected in real time through the displacement sensor 308, so that the distance between the pressing block 301 and the circuit board on the tooling jig 203 is detected, and after the pressing block 301 descends to a proper height, the edge convex part of the pressing block 301 is contacted with the circuit board and is slowly pressed.

In this embodiment, as shown in fig. 3, a positioning hole and a mounting groove are formed in the tooling fixture 203, a pressing block 204 is arranged in the mounting groove, an insertion pin 205 is arranged in the positioning hole, and the tooling fixture 203 is detachably mounted on the sliding adapter plate 201 by the pressing block 204 and the insertion pin 205. Before the pressure equipment, through compact heap 204 and plug pin 205 with frock tool 203 fixed with the slip keysets 204, then will wait to assemble the circuit and place on frock tool 203, when carrying out the pressure equipment to the circuit board of different shape sizes, through pulling down compact heap 204 and plug pin 205 to change frock tool 203, can realize the pressure equipment to the circuit board of different shape sizes, improved the practicality of this kind of circuit pressure equipment device.

The foregoing is merely a preferred embodiment of the utility model, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a circuit board pressure equipment device which characterized in that, includes supporting mechanism, frock tool and pressing mechanism, frock tool locates in the supporting mechanism, pressing mechanism is located frock tool top, pressing mechanism includes pressing member, guide member and driving piece, the pushing down is followed by the driving piece drive the axial of guide member reciprocates.

2. The press-fitting device for circuits as claimed in claim 1, wherein the press-fitting member includes a press-fitting block and a lower pressing member, the press-fitting block is located below the lower pressing member, the guiding member includes a guiding rod, a linear bearing, and a guiding rod connecting plate, one end of the guiding rod is connected to the lower pressing member, the other end of the guiding rod is connected to the guiding rod connecting plate, and the linear bearing is sleeved on the guiding rod and connected to the upper portion of the supporting mechanism.

3. A press-fitting device for circuit boards as claimed in claim 1, wherein the supporting mechanism comprises a bottom plate, a supporting column and a top plate, the bottom of the supporting column is disposed on the bottom plate, the top plate is disposed on the top of the supporting column, and the tooling fixture is disposed on the bottom plate.

4. A press-fitting device for circuit boards as claimed in claim 3, wherein a guide rail, a slider and a sliding adapter plate are arranged between the base plate and the tooling fixture, the guide rail is arranged above the base plate, the slider is arranged below the sliding adapter plate, the slider is connected with the guide rail and can slide along the guide rail, and the tooling fixture is arranged on the sliding adapter plate.

5. A circuit board press-fitting device as claimed in claim 3, wherein said base plate is provided with a sensor mounting seat, said sensor mounting seat is provided with a sensor mounting rod, a shaft clamp is fixed on said sensor mounting rod, and said optical sensor is fixed with said shaft clamp through a transfer bracket.

6. A press-fitting device for circuit boards as claimed in claim 3, wherein the base plate is further provided with a buffer mounting plate, the buffer mounting plate is disposed on a side of the base plate close to the tooling fixture, and the buffer mounting plate is respectively provided with a positioning block and a buffer.

7. A circuit board press fitting device as claimed in claim 4, wherein the sliding adapter plate is connected with a moving cylinder, a cylinder column of the moving cylinder is connected with a cylinder adapter plate arranged on the sliding adapter plate, and the moving cylinder is connected with the base plate through a cylinder mounting plate arranged on the base plate.

8. A press-fitting device for circuit boards as claimed in claim 2, wherein the press-fitting mechanism further comprises a displacement sensor, a displacement sensor mounting plate, and a displacement sensor positioning plate, the displacement sensor mounting plate is disposed on one side of the top of the supporting mechanism, the displacement sensor is disposed on the displacement sensor mounting plate, the displacement sensor positioning plate is disposed on the lower member, and the lower end of the displacement sensor is in contact with the displacement sensor positioning plate.

9. A circuit board press fitting device as claimed in claim 4, wherein the tooling fixture is provided with a positioning hole and a mounting groove, a pressing block is arranged in the mounting groove, an inserting and pulling pin is arranged in the positioning hole, and the pressing block and the inserting and pulling pin connect the tooling fixture with the sliding adapter plate.

10. A circuit board press fitting device as claimed in claim 1, wherein the tooling fixture is provided with a positioning groove.