CN217143773U

CN217143773U - PCBA assembly fixture

Info

Publication number: CN217143773U
Application number: CN202122975783.3U
Authority: CN
Inventors: 冯颖盈; 姚顺; 郭珏
Original assignee: Shenzhen Vmax Power Co Ltd
Current assignee: Shenzhen Weimeisi New Energy Group Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-08-09
Anticipated expiration: 2031-11-30

Abstract

The utility model provides a PCBA assembly fixture, include: a horizontally arranged base; the first driving device is arranged on the base and used for driving the movable support to move up and down relative to the base; the pair of cross arms can horizontally move along the movable bracket in the opposite direction or the opposite direction; the cross arm is provided with a pair of PCBA fixing devices extending towards the base at intervals, and the pair of PCBA fixing devices can horizontally move towards or away from the cross arm along the direction vertical to the moving direction of the cross arm. The utility model provides a PCBA assembly fixture is at electronic product assembly PCBA in-process, utilize spiral speed governing, spring speed reduction and pause spacing assurance PCBA assembly uniformity and stability, product quality and assembly efficiency have been improved, solve the problem that manual installation PCBA in-process easily takes place collision part and heat conduction glue and spills over, the PCBA assembly and the debugging that the OBC power supply circuit board that adaptable multiple power required corresponds simultaneously improve product commonality reduction in production cost, especially be fit for OBC battery charging outfit.

Description

PCBA assembly fixture

Technical Field

The utility model belongs to the technical field of the new energy automobile OBC charges, more specifically says, relates to a PCBA assembly fixture who is particularly suitable for OCB battery charging outfit.

Background

Currently, with the rapid development of the automotive electronics industry in China, various new technologies emerge endlessly in the whole industry and are continuously updated and applied. For the technical field of charging of new energy vehicles OBC in the electronic industry, requirements on quality, performance and safety of products are stricter and stricter. However, most of the conventional OBC charging equipment is provided with PCBA boards manually, so that the production efficiency is low, and meanwhile, the problems of collision of parts and overflow of heat-conducting glue are easily caused in the process, so that the product is damaged due to manual operation, and the quality of the product is reduced; meanwhile, the PCBA assembly tool for the OCB charging equipment in the prior art cannot adapt to PCBA assembly and debugging operation of corresponding specifications of the OBC power circuit board with various power requirements in structure, is low in universality, further reduces production efficiency, and increases production cost.

Therefore, how to improve the product quality, the production efficiency and the universality of the existing PCBA assembly tool for the OCB charging equipment is a technical problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that product quality, production efficiency and commonality are low that current PCBA assembly fixture for OCB battery charging outfit provided a PCBA assembly fixture who is particularly suitable for OCB battery charging outfit.

For solving the above problem, the utility model discloses a technical scheme be:

the utility model provides a PCBA assembly fixture, includes:

a horizontally arranged base;

the first driving device is arranged on the base and used for driving the movable support to move up and down relative to the base;

the pair of cross arms can horizontally move along the movable bracket in the opposite direction or the opposite direction;

the cross arm is provided with a pair of PCBA fixing devices extending towards the base at intervals, and the pair of PCBA fixing devices can horizontally move towards or away from the cross arm along the direction vertical to the moving direction of the cross arm.

Further, the first driving device includes:

the lifting screw rod is arranged on the base, the first driving piece drives the lifting screw rod to rotate, and the movable support is arranged on the lifting screw rod and drives the movable support to move up and down along the lifting screw rod through the rotation of the lifting screw rod.

Further, the movable stand includes:

a bracket main body extending along the horizontal direction;

the first guide rail is arranged on the side surface of the bracket main body along the horizontal direction;

the xarm includes:

the cross arm main body is matched with the first guide rail through the first sliding block and can reciprocate along the first guide rail under the pushing action of external force.

Further, the xarm still includes:

the second guide rail is arranged on the side surface of the cross arm main body along the horizontal direction vertical to the first guide rail;

PCBA fixing device includes:

the straight arm is arranged on a second sliding block on the straight arm and is matched with the second guide rail through the second sliding block;

the hook claw extends to one side from the lower end of the straight arm and is used for fixing the PCBA to be assembled;

further, the PCBA fixture further includes:

a second driving device; one end of the lifting rod is connected to the second driving device, the claw is installed at the other end of the lifting rod, and the claw is driven by the second driving device to move up and down relative to the base.

Further, still include: at least one lifting buffer device connected between the movable support and the base.

Preferably, the lifting buffer device includes:

one end of the buffer strut is fixedly connected to the movable bracket; the middle part of the other end of the buffer strut is provided with a convex column, and the convex column and the other end of the buffer strut form a step surface;

the tail end of the convex column far away from the buffering support column is movably connected to the base;

a speed reducing spring is respectively and correspondingly abutted between the step surface and the base.

Preferably, the first driving member is a manual rocker mounted at the top end of the lifting screw, and the lifting screw is driven to rotate by the manual rocker.

Preferably, the cross sections of the first guide rail and the first slide block, and the cross sections of the second guide rail and the second slide block are respectively in matched T shapes.

Compared with the prior art, the utility model provides a PCBA assembly fixture is at the in-process for electronic product assembly PCBA, utilize spiral speed governing, the uniformity and the stability of PCBA assembly have been guaranteed to spring speed reduction and pause limit function, and product quality and assembly efficiency have been improved, the problem that artifical manual installation PCBA's in-process easily takes place collision part and heat conduction glue and spills over is solved, utilize PCBA assembly and the debugging operation that the OBC power supply circuit board that this assembly fixture of PCBA installation regulatory function adaptable multiple power required corresponds simultaneously, the commonality of product has been improved, the production cost is reduced, especially, be suitable for new energy automobile OBC battery charging outfit.

Drawings

Fig. 1 is a first schematic view of an assembly structure of an embodiment of a PCBA assembly fixture provided by the present invention;

fig. 2 is a schematic view of an assembly structure of an embodiment of the PCBA assembly fixture provided by the present invention;

fig. 3 is a schematic front view of an embodiment of a PCBA assembly fixture provided by the present invention;

fig. 4 is a schematic rear view structure diagram of an embodiment of the PCBA assembly fixture provided by the present invention;

fig. 5 is a left side view structural schematic diagram of an embodiment of the PCBA assembly fixture provided by the present invention;

fig. 6 is a schematic diagram of a right-view structure of an embodiment of the PCBA assembly fixture provided by the present invention;

fig. 7 is a schematic top view of an embodiment of the PCBA assembly fixture provided by the present invention;

fig. 8 is a schematic bottom view of an embodiment of the PCBA assembly fixture provided by the present invention.

Wherein, in the drawings, the reference numerals are mainly as follows:

1-a base; 11-mounting holes; 2-a first drive; 21-a lifting screw; 22-manual rocker; 3-a movable support; 31-a stent body; 311-a first guide rail; 4-a cross arm; 41-a first slider; 42-a second guide rail; 43-crossbar body; 5-PCBA fixing device; 51-straight arm; 511-a second slider; 6-lifting rod; 61-hook claw; 7-a lifting buffer device; 71-a buffer strut; 711-convex column; 712-step surface; 8-speed reducing spring.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings 1 to 8 and the embodiments.

Referring to fig. 1-8, the present invention provides a PCBA assembly tool, including:

a base 1 horizontally arranged, wherein the base 1 is preferably rectangular plate-shaped, and can also be round or in other shapes; the base 1 is provided with four supporting legs at the bottoms of the four corners of the rectangle respectively in a corresponding manner, and is used for supporting the base 1 and the whole PCBA assembly fixture.

Referring to fig. 1-6, in the present embodiment, the present invention further includes a first driving device 2 disposed on the base 1, wherein the first driving device 2 is used for driving a movable support 3 to move up and down relative to the base 1; a pair of cross arms 4 arranged on the movable bracket 3, wherein the pair of cross arms 4 can horizontally move along the movable bracket 3 in an opposite direction or in an opposite direction; the cross arm 4 is provided with a pair of PCBA fixing devices 5 at intervals, the PCBA fixing devices 5 extend towards the base 1, and the PCBA fixing devices 5 can horizontally move towards or away from the cross arm 4 along the direction perpendicular to the moving direction of the cross arm 4.

In the present embodiment, the first driving device 2 includes: the lifting screw 21 is arranged on the base 1, the first driving piece drives the lifting screw 21 to rotate, and the movable support 3 is arranged on the lifting screw 21 and drives the movable support 3 to move up and down along the lifting screw 21 through the rotation of the lifting screw 21. In a preferred embodiment, the first driving member is a manual rocker 22 mounted at the top end of the lifting screw 21, and the lifting screw 21 is driven to rotate by the manual rocker 22; in another embodiment, the elevating screw 21 may be driven by a motor as a driving member and by a transmission mechanism such as a gear train or a timing belt to transmit a driving force of the motor. In other embodiments, the first driving device 2 may also adopt a linear driving device such as a cylinder expansion device, a rack and pinion device, a synchronous pulley device, etc. instead of being used for driving the lifting motion of the movable bracket 3.

Referring to fig. 1-3 and 6-7, in the present embodiment, the movable frame 3 includes: the support body 31 extends along the horizontal direction, a horizontally protruding mounting table is arranged in the middle of the support body 31 and is used for being connected with the lifting screw 21, the lifting screw 21 extends upwards from the base 1 and extends through the mounting table, and the top end of the lifting screw, which extends upwards out of the mounting table, is provided with a manual rocker 22; and a first guide rail 311 provided on a side surface of the holder main body 31 in a horizontal direction. The cross arm 4 includes: the crossbar body 43, the first slider 41 mounted on the crossbar body 43, and the first slider 41 mounted on the first guide rail 311, wherein the crossbar body 43 is engaged with the first guide rail 311 through the first slider 41, and can reciprocate along the first guide rail 311 under the pushing of external force. In the present embodiment, the cross arm main body 43 directly moves along the first guide rail 311 by manual pushing; in other embodiments, the cross arm main body 43 may also be driven by a driving device such as a motor, an air cylinder, an oil cylinder or an electric cylinder, and driven by a transmission mechanism such as a lead screw nut, an air cylinder piston rod, a gear rack or a synchronous pulley instead of being pushed by human power.

In this embodiment, the cross arm 4 further includes: a second guide rail 42 provided on a side surface of the arm body 43 in a horizontal direction perpendicular to the first guide rail 311; the PCBA fixture 5 includes: a straight arm 51 vertically arranged, a second slider 511 mounted on the straight arm 51, the straight arm 51 being engaged with the second guide rail 42 through the second slider 511; the fingers 61 extending from the lower end of the straight arm 51 to one side are used to fix four corners of the PCBA to be assembled, respectively, by two pairs of four fingers 61 of the pair of cross arms 4.

As a preferred embodiment, the straight arm 51 is a hollow or semi-closed structure, and an installation space is arranged inside the hollow or semi-closed structure; the PCBA fixture 5 further includes: a second driving device provided in the installation space of the straight arm 51; and the lifting rod 6 is connected with one end of the lifting rod 6 through a second driving device, the hook claw 61 is arranged at the other end of the lifting rod 6, and the hook claw 61 is driven to move up and down relative to the base 1 through the second driving device. The second driving device can adopt a pressing type spring resetting device to drive the hook claw 61 to move up and down relative to the base 1, and can also adopt a motor, an air cylinder, an oil cylinder or an electric cylinder and other driving devices to drive the hook claw to move up and down, and the second driving device is driven by a screw nut, an air cylinder piston rod, a gear rack or a synchronous pulley and other transmission mechanisms to move up and down.

Referring to fig. 1-6, the present embodiment further includes: at least one lifting buffer device 7 connected between the movable bracket 3 and the base 1. In a preferred embodiment, the lift buffer 7 includes: a buffer support 71, one end of the buffer support 71 is fixedly connected to the movable bracket 3; a convex column 711 is arranged in the middle of the other end of the buffer support column 71, and the convex column 711 and the other end of the buffer support column 71 form a step surface 712; the tail end of the convex column 711 far away from the buffer strut 71 is movably connected to the base 1; a deceleration spring 8 is respectively and correspondingly abutted between the step surface 712 and the base 1; the base 1 is provided with a limiting structure for limiting the downward movement stroke of the buffer support 71 and the movable support 3, and the buffer support 71 and the movable support 3 move downward to be buffered and decelerated through the deceleration spring 8, so that the stability of the assembly operation of the PCBA assembly tool is improved.

In a preferred embodiment, the first guide rail 311 and the first slider 41, and the second guide rail 42 and the second slider 511 have matching T-shaped cross sections.

In a preferred embodiment, the base 1 is a table having a plurality of mounting holes 11 extending through the upper surface thereof, and is adapted to mount PCBA assembly fixtures of various sizes at various locations throughout the upper surface of the base 1.

The utility model provides a PCBA assembly fixture is as follows at the step when assembling PCBA:

mounting the PCBA assembly fixture on the mounting hole 11, and clamping the electronic product on the PCBA assembly fixture; the pair of cross arms 4 horizontally move towards or away from each other along the movable support 3 so as to adjust the distance between the two pairs of PCBA fixing devices 5 corresponding to the pair of cross arms 4 respectively;

meanwhile, the pair of PCBA fixing devices 5 of each cross arm 4 horizontally moves along the cross arm 4 in the direction perpendicular to the moving direction of the cross arm 4 in the opposite direction or the opposite direction, so that the distance between the pair of PCBA fixing devices 5 of each cross arm 4 is adjusted until the distance between the two pairs of PCBA fixing devices 5 and the distance between the pair of PCBA fixing devices 5 of each cross arm 4 are matched with PCBAs to be assembled, namely two pairs of four hooks 61 of the pair of cross arms 4 are respectively located at the positions for fixing four corners of the PCBAs to be assembled, and the four corners of the PCBAs can be correspondingly and fixedly installed on the two pairs of four PCBA fixing devices 5;

the first driving device 2 (manually rotates the manual rocker) drives the movable support 3 to descend and drives the PCBA to move close to the electronic product until the PCBA is installed in an installation position in a shell of the electronic product;

PCBA takes off from two pairs of PCBA fixing devices 5, and a pair of xarm 4 back-to-back horizontal motion, and first drive arrangement 2 drive movable support 3 rises to reset, unloads the electronic product from PCBA assembly jig, and the last electronic product of dress on PCBA assembly jig restarts above assembly step.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a PCBA assembly fixture which characterized in that includes:

a horizontally arranged base;

the first driving device is arranged on the base and used for driving a movable support to move up and down relative to the base;

the pair of cross arms can horizontally move along the movable bracket in an opposite or reverse direction;

the cross arm is provided with a pair of PCBA fixing devices extending towards the base at intervals, and the pair of PCBA fixing devices can horizontally move towards or away from the cross arm along the direction perpendicular to the moving direction of the cross arm.

2. The PCBA assembly tool as recited in claim 1, wherein:

the first driving device includes:

the movable support is arranged on the lifting screw rod and drives the movable support to move up and down along the lifting screw rod through the rotation of the lifting screw rod.

3. The PCBA assembly tool as in claim 2, wherein:

the movable support includes:

a bracket main body extending along the horizontal direction;

the cross arm comprises:

the cross arm main body is matched with the first guide rail through the first sliding block and can reciprocate along the first guide rail under the pushing of external force.

4. The PCBA assembly tool as in claim 3, wherein:

the xarm still includes:

a second guide rail provided on a side surface of the cross arm body in a horizontal direction perpendicular to the first guide rail;

the PCBA fixing device comprises:

the straight arm is mounted on a second sliding block on the straight arm, and the straight arm is matched with the second guide rail through the second sliding block;

and the hook claw extends from the lower end of the straight arm to one side and is used for fixing the PCBA to be assembled.

5. The PCBA assembly tool as in claim 4, wherein:

the PCBA fixing device further comprises:

a second driving device; and one end of the lifting rod is connected to the second driving device, the claw is arranged at the other end of the lifting rod, and the claw is driven by the second driving device to move up and down relative to the base.

6. The PCBA assembly tool as in claim 2, wherein:

further comprising: at least one lifting buffer device connected between the movable support and the base.

7. The PCBA assembly tool as in claim 6, wherein:

the lifting buffer device comprises:

the tail end of the convex column far away from the buffer strut is movably connected to the base;

and a speed reducing spring is respectively and correspondingly abutted between the step surface and the base.

8. The PCBA assembly tool as in claim 2, wherein:

the first driving piece adopts a manual rocker arranged at the top end of the lifting screw rod, and the lifting screw rod is driven to rotate through the manual rocker.

9. The PCBA assembly tool as in claim 4, wherein:

the cross sections of the first guide rail, the first sliding block, the second guide rail and the second sliding block are respectively in T shapes which are matched.