CN220575686U

CN220575686U - PCBA assembly fixture

Info

Publication number: CN220575686U
Application number: CN202322078341.8U
Authority: CN
Inventors: 钱永杰; 吴华林; 陈明
Original assignee: Anhui Kafu Optoelectronic Technology Co ltd
Current assignee: Anhui Kafu Optoelectronic Technology Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-03-12
Anticipated expiration: 2033-08-03

Abstract

The utility model discloses a PCBA assembly fixture, which comprises a bottom plate, wherein the top of the bottom plate is rotatably connected with a lifting screw rod, the surface of the lifting screw rod is in threaded connection with a lifting plate, two sides of the lifting plate are in limit connection with the bottom plate, the surface of the lifting plate is provided with a first sliding groove, an adjusting device is in sliding connection with the first sliding groove, the first sliding groove is in sliding connection with two sliding rods, a second sliding groove is arranged on the sliding rods, an adjusting rod is in sliding connection with the second sliding groove, an installation block is arranged outside the adjusting rod, the installation block is provided with a limit groove, a fixed screw rod is rotatably connected in the limit groove, the surface of the fixed screw rod is in threaded connection with a fixed block, and the fixed block is in limit connection with the limit groove; through having set up the installation piece, the fixed block of installation piece can be to PCBA's top in close contact to make the assembly fixture fix the centre gripping when removing PCBA, the frock is driving PCBA and is moving contact below electronic device, can not appear crookedly when not leading to the installation because of the bottom is the horizontal plane.

Description

PCBA assembly fixture

Technical Field

The utility model relates to the technical field of OBC charging of new energy automobiles, in particular to a PCBA assembly fixture.

Background

Currently, with the rapid development of the automotive electronics industry in China, various new technologies are layered in the whole industry, and are continuously updated and applied. But for the technical field of new energy automobile OBC charging in the electronic industry, the requirements on the quality, performance and safety of the product are more and more strict. However, most of the current OBC charging equipment is provided with PCBA boards manually, so that the production efficiency is low, meanwhile, the problems of collision of parts and overflow of heat-conducting glue easily occur in the process, the damage of products caused by manual operation is caused, and the quality of the products is reduced; meanwhile, the PCBA assembly fixture for the OCB charging equipment in the prior art cannot adapt to PCBA assembly and debugging operations of corresponding specifications of OBC power circuit boards with various power requirements, is low in universality, further reduces production efficiency and increases production cost.

PCBA assembly fixtures, such as a PCBA assembly fixture with publication number CN217143773U, need be employed when the PCBA is installed in an electronic product, comprising: a horizontally arranged base; the first driving device is arranged on the base and is used for driving a movable bracket to move up and down relative to the base; the cross arms can horizontally move along the movable bracket in opposite directions or in opposite directions; the cross arm is provided with a pair of PCBA fixing devices extending towards the base at intervals.

The PCBA is placed above the hook claw by the assembly tool, so that the top surface of the PCBA is not extruded and fixed, and when the tool drives the PCBA to move to contact with an electronic product below for installation, the bottom of the PCBA is difficult to maintain to an absolute horizontal plane by the surrounding straight arms, so that the bottom is easy to incline when contacting with an electronic element, and the PCBA cannot be accurately positioned and installed in the installation process; meanwhile, the cross arm can generate relative sliding in the chute by lifting in the lifting process of the movable support, so that the PCBA is not stably placed and even separated from the claw.

Disclosure of Invention

The utility model aims to solve the problems of the background technology and provides a PCBA assembly tool.

The aim of the utility model can be achieved by the following technical scheme:

PCBA assembly fixture, including the bottom plate, the top rotatable of bottom plate is connected with the lift lead screw, and the surface threaded connection of lift lead screw has the lifter plate, spacing connection between lifter plate's both sides and the bottom plate, and lifter plate's surface is provided with first sliding tray, and slidable is connected with adjusting device in the first sliding tray, adjusting device includes:

one end of the two sliding rods is slidably connected with the first sliding groove, and the opposite surfaces of the two sliding rods are provided with second sliding grooves;

four adjusting rods, wherein two adjusting rods are slidably connected inside each second sliding groove, and the bottoms of the adjusting rods are rotatably connected with a placing block;

the installation piece, it sets up in adjusting the pole outside, and the installation piece is provided with the spacing groove, and the spacing inslot rotationally is connected with fixed lead screw, and fixed lead screw's surface threaded connection has the fixed block, spacing connection between fixed block and the spacing groove.

As a further scheme of the utility model: the bottom of the two sides of the lifting plate is provided with a connecting sleeve, the bottom of the connecting sleeve is slidably provided with a lifting rod, and the bottom of the lifting rod is fixedly connected with the bottom plate.

As a further scheme of the utility model: a buffer spring is arranged between the connecting sleeve and the bottom plate, and the buffer spring is sleeved on the surface of the lifting rod.

As a further scheme of the utility model: the lifting plate is penetrated at the top of the lifting screw rod, and a hand wheel is arranged at the top of the lifting screw rod.

As a further scheme of the utility model: the top of the fixed screw rod is provided with an adjusting knob in a penetrating way.

As a further scheme of the utility model: the second sliding groove is internally provided with a sliding block in a sliding way, and the sliding block is fixedly connected with the adjusting rod.

The utility model has the beneficial effects that:

(1) According to the PCBA assembly tool, the mounting blocks are arranged, the fixing blocks of the mounting blocks can be in close contact with the top of the PCBA, so that the assembly tool can be used for fixedly clamping in the process of moving the PCBA, the PCBA is driven to move and contact with the mounting groove of an electronic device below, the PCBA cannot be inclined due to the fact that the bottom is not a horizontal plane, meanwhile, the PCBA is fixed by the adjusting rod, the PCBA and the adjusting rod are fixed in turn, the distance between the adjusting rods on two sides of the PCBA and the sliding rod in the moving process cannot be changed, and the PCBA is prevented from falling due to unstable placement;

(2) According to the PCBA assembly tool, the rotating placing block is arranged, so that the rotating placing block can bear the PCBA above at more angles, and the application range of the placing block is improved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is an elevation view of a PCBA assembly fixture of the present utility model;

FIG. 2 is a top view of the PCBA assembly tooling of the present utility model;

FIG. 3 is a side view of the PCBA assembly tooling of the present utility model;

FIG. 4 is a schematic view of the structure of the adjusting lever adjusting device of the present utility model;

fig. 5 is a schematic structural view of the adjusting lever of the present utility model.

In the figure: 1. a bottom plate; 2. a lifting plate; 21. lifting the screw rod; 22. a hand wheel; 23. a connecting sleeve; 24. a lifting rod; 25. a buffer spring; 26. a first sliding groove; 3. an adjusting device; 31. a slide bar; 32. a second sliding groove; 33. a sliding block; 34. an adjusting rod; 35. a telescopic rod; 36. placing a block; 37. a mounting block; 38. a limit groove; 39. fixing a screw rod; 310. a fixed block; 311. and (5) adjusting a knob.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model discloses a PCBA assembling tool, which comprises a bottom plate 1, wherein a lifting plate 2 is arranged at the top of the bottom plate 1, a lifting screw rod 21 is rotatably arranged at the top of the bottom plate 1, the lifting plate 2 is connected with the surface of the lifting screw rod 21 in a threaded manner, a hand wheel 22 is fixedly arranged at the top of the lifting screw rod 21, connecting sleeves 23 are respectively arranged at two sides of the lifting plate 2, a lifting rod 24 is slidably arranged at the center of each connecting sleeve 23, the bottom of the lifting rod 24 is fixedly connected with the bottom plate 1, a buffer spring 25 is sleeved on the surface of the lifting rod 24, and two ends of the buffer spring 25 are respectively connected with the top of the bottom plate 1 and the connecting sleeves 23.

A first sliding groove 26 is formed in one surface of the lifting plate 2, an adjusting device 3 is slidably connected in the first sliding groove 26, one ends of two sliding rods 31 of the adjusting device 3 are slidably connected with the first sliding groove 26, the sliding rods 31 on two sides are vertically arranged with the lifting plate 2, a second sliding groove 32 is formed in one side, close to each other, of each sliding rod 31, two sliding blocks 33 are slidably arranged in each second sliding groove 32, an adjusting rod 34 is fixedly connected to one surface of each sliding block 33, a telescopic rod 35 is slidably arranged at the bottom of each adjusting rod 34, and a placing block 36 is rotatably connected to the bottom of each telescopic rod 35; the two sides of the adjusting rod 34 are provided with mounting blocks 37 on the surface close to each other, one surface of each mounting block 37 is provided with a limiting groove 38, a fixed screw rod 39 is rotatably arranged in each limiting groove 38, the top of each fixed screw rod 39 extends out of each mounting block 37, and the top of each fixed screw rod 39 is fixedly connected with an adjusting knob 311; the surface threaded connection of fixed lead screw 39 has fixed block 310, and fixed block 310 slidable connection in spacing groove 38, the inseparable contact between fixed block 310 and the spacing groove 38, spacing groove 38 plays the spacing effect to fixed block 310.

When the PCBA assembly fixture is used, firstly, an assembled electronic product is placed on the top of the bottom plate 1, then the PCBA is clamped in the adjusting device 3, the distance between the two sliding rods 31 is adjusted by moving the sliding rods 31 on two sides, then the distance between the two adjusting rods 34 on each sliding rod 31 is adjusted, so that the distance between the placing blocks 36 at the bottom of each adjusting rod 34 is adjusted until the distance between the four placing blocks 36 at the bottom can adapt to the size of the PCBA, the PCBA can be placed on the surface of the placing blocks 36, and the placing blocks 36 can firmly bear the PCBA above by rotating; then the height of the PCBA is adjusted through the sliding of the lifting rod 24, the PCBA is moved to a position which is convenient to contact with the upper fixed block 310, then the fixed screw rod 39 is driven to rotate by the adjusting knob 311 on the surface of the mounting block 37, the fixed block 310 is limited by the limiting groove 38, the fixed screw rod 39 drives the fixed block 310 in threaded connection on the surface to slide up and down, the lower surface of the fixed block 310 is tightly contacted with the top surface of the PCBA, the PCBA is clamped and fixed in the adjusting device 3, meanwhile, the fixed block 310 is tightly contacted with the placing block 36, the adjusting rod 34 and the sliding rod 31 are also reversely fixed, and the sliding rod 31 is prevented from driving the adjusting rod 34 to slide in the first sliding groove 26; then the staff passes through rotatory hand wheel 22, and hand wheel 22 drives lift lead screw 21 rotation, and lifter plate 2 receives the spacing of both sides connecting sleeve 23, and lifter plate 2 goes up and down at the top surface of bottom plate 1, and buffer spring 25 receives the compression simultaneously and plays the effect of slowing down buffering to the lift of lifter plate 2, and lifter plate 2 drives the PCBA of fixed centre gripping and is close to the electronic product that bottom plate 1 top was placed, until install the PCBA in the installation position in the electronic product shell, through rotatory adjust knob 311 contact to PCBA's fixed, then rotatory hand wheel 22 drives lifter plate 2 and rises and make it resume initial position.

The working principle of the utility model is as follows: according to the PCBA assembly tool disclosed by the utility model, the mounting block 37 is arranged, the lifting fixing block 310 is arranged on the mounting block 37, and the fixing block 310 can be in close contact with the top of the PCBA, so that the assembly tool can be used for fixedly clamping in the process of moving the PCBA, the PCBA is driven to move and contact with the mounting groove of an electronic device below, the PCBA cannot be skewed when being mounted due to the fact that the bottom is not a horizontal plane, meanwhile, the PCBA is fixed by the adjusting rod 34, and conversely, the PCBA is fixed with the adjusting rod 34, so that the distance between the adjusting rod 34 and the sliding rod 31 at two sides of the PCBA is not changed in the moving process, and the PCBA is prevented from falling due to unstable placement; by providing the rotating placement block 36, the rotating placement block 36 can bear the PCBA above at more angles, thereby improving the application range of the placement block 36.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

PCBA assembly fixture, including bottom plate (1), its characterized in that, the rotatable lift lead screw (21) that is connected with in top of bottom plate (1), the surface threaded connection of lift lead screw (21) has lifter plate (2), spacing between both sides and bottom plate (1) of lifter plate (2), and the surface of lifter plate (2) is provided with first sliding tray (26), and slidable is connected with adjusting device (3) in first sliding tray (26), adjusting device (3) include:

two slide bars (31) one ends of which are slidably connected to the first slide grooves (26), and second slide grooves (32) being provided on the opposite sides of the two slide bars (31);

four adjusting rods (34), wherein two adjusting rods (34) are slidably connected inside each second sliding groove (32), and a placing block (36) is rotatably connected to the bottom of each adjusting rod (34);

the installation piece (37), it sets up in regulation pole (34) outside, and installation piece (37) are provided with spacing groove (38), and rotationally be connected with fixed lead screw (39) in spacing groove (38), and the surface threaded connection of fixed lead screw (39) has fixed block (310), spacing connection between fixed block (310) and spacing groove (38).
2. The PCBA assembling tool according to claim 1, wherein the bottom of both sides of the lifting plate (2) is provided with a connecting sleeve (23), the bottom of the connecting sleeve (23) is slidably provided with a lifting rod (24), and the bottom of the lifting rod (24) is fixedly connected with the bottom plate (1).
3. A PCBA assembly tool according to claim 2, characterized in that a buffer spring (25) is arranged between the connecting sleeve (23) and the base plate (1), the buffer spring (25) being sleeved on the surface of the lifting rod (24).
4. PCBA assembly fixture according to claim 1, characterized in that the lifting plate (2) is pierced at the top of the lifting screw (21), the top of the lifting screw (21) being provided with a hand wheel (22).
5. The PCBA assembling tool according to claim 1, wherein the top of the fixing screw (39) is provided with a mounting block (37) in a penetrating manner, and the top of the fixing screw (39) is provided with an adjusting knob (311).
6. A PCBA assembling tool according to claim 1, wherein a slider (33) is slidably arranged inside the second sliding groove (32), the slider (33) being fixedly connected with the adjustment lever (34).