CN-224223229-U - Main control PCB sub-assembly tool of automatic gear shifter of automobile

CN224223229UCN 224223229 UCN224223229 UCN 224223229UCN-224223229-U

Abstract

The utility model discloses a main control PCB sub-assembly tool of an automatic gear shifter of an automobile, wherein a mounting seat limits a support sub-assembly in four directions, namely front, back, left and right directions, an arc-shaped groove is formed in one side, close to a left stop, of an upper end face of a right stop, a cushion block is arranged close to the right side face of the left stop, the front end of the cushion block is far away from a front stop, a first cylinder is a rotary clamping cylinder, a piston rod of the first cylinder is vertically arranged, one end of a connecting rod is connected with a piston rod of the first cylinder, the lower part of the other end of the connecting rod is connected with a first pressing block, the first cylinder can rotate for 90 degrees while being pressed downwards, the first pressing block can reach the upper part of a main control PCB cover and downwards press the main control PCB cover, a side pressing structure is arranged on the right side of the right stop, a second pressing block is connected with a piston rod of the second cylinder, an automatic screw punching mechanism is arranged on the side of a substrate, one end of a rotating mechanism can be slidably arranged on a sliding rod, and a screw driver is arranged at the other end of the rotating mechanism, so that the screw driver can move up and down and rotate in the horizontal direction, and screws at different positions on the main control PCB cover can be fastened.

Inventors

DONG ZHIYUAN
Guo Qianglin
ZHENG JILU
XIE JIAXING

Assignees

柳州市金元机械制造有限公司

Dates

Publication Date: 20260512
Application Date: 20250530

Claims (10)

1. A main control PCB sub-assembly fixture of an automatic gear shifter of an automobile is characterized by comprising a base plate and an automatic screw driving mechanism which are arranged on a workbench, and an installation seat, an upward pressing mechanism and a lateral pressing mechanism which are arranged on the base plate, The mounting seat comprises a left stop block, a right stop block, a front stop block and a rear stop block, wherein the left stop block, the right stop block, the front stop block and the rear stop block limit the support body sub-assembly from four directions, the upper end surface of the right stop block is provided with a circular arc groove close to the left stop block, and the circular arc groove is matched with the circular arc of the rear side of the support body; The pressing mechanism comprises a first cylinder, a connecting rod and a first pressing block, wherein the first cylinder is a rotary clamping cylinder, and a piston rod of the first cylinder is vertically arranged; one end of the connecting rod is connected with a piston rod of the first cylinder, the lower part of the other end of the connecting rod is connected with the first pressing block, and the first cylinder can rotate 90 degrees while being pressed down, so that the first pressing block can reach the upper part of the main control PCB cover and press the main control PCB cover downwards; The side pressing mechanism is arranged on the right side of the right stop block and comprises a second cylinder and a second pressing block, and the second pressing block is connected with a piston rod of the second cylinder; The automatic screw driving mechanism is arranged on the side edge of the base plate and comprises a sliding rod, a rotating mechanism and a screw driver, one end of the rotating mechanism is slidably arranged on the sliding rod, and the screw driver is arranged at the other end of the rotating mechanism, so that the screw driver can move up and down and rotate in the horizontal direction, and screws at different positions on a main control PCB cover can be fastened.
2. The assembly fixture for the main control PCB sub-assembly of the automatic gear shifter of the automobile of claim 1, wherein the first pressing block is made of rubber.
3. The assembly fixture for the main control PCB sub-assembly of the automatic gear shifter of the automobile, according to claim 1, is characterized in that the working air pressure of the first air cylinder and the working air pressure of the second air cylinder are 0.5 MPa-0.7 MPa.
4. The assembly fixture for the main control PCB sub-assembly of the automatic gear shifter of the automobile of claim 1, wherein the torque of the screwdriver can be preset, and the preset torque is 1.0N.m-1.6N.m.
5. The assembly fixture for the main control PCB sub-assembly of the automatic gear shifter of the automobile of claim 1, wherein the rotating mechanism comprises a connecting rod and a rotating rod, one end of the connecting rod is arranged on the sliding rod through a guide sleeve, the connecting rod can slide up and down along the sliding rod and rotate around the sliding rod, and the other end of the connecting rod is connected with the rotating rod.
6. The assembly fixture of the main control PCB subassembly of the automatic gear shifter of the automobile of claim 5, wherein an auxiliary rod is vertically arranged on the side edge of the sliding rod, and auxiliary blocks are respectively arranged at the upper end and the lower end of the auxiliary rod so as to fix the auxiliary rod and the sliding rod together.
7. The assembly fixture for the main control PCB sub-assembly of the automatic gear shifter of the automobile is characterized in that the rotating mechanism comprises two polished rods, sliding blocks, a first limiting block and a mounting block, wherein the sliding blocks are arranged on the sliding rods, the sliding blocks can slide up and down along the sliding rods and rotate around the sliding rods, the two polished rods are arranged in the sliding blocks along the horizontal direction, the polished rods can slide back and forth in the sliding blocks, the first limiting block is arranged at one ends of the two polished rods, and the screwdriver is arranged at the other ends of the two polished rods through the mounting block.
8. The assembly fixture of the main control PCB subassembly of the automatic gear shifter of the automobile of claim 1, wherein the automatic screw driving mechanism further comprises a second limiting block and a third limiting block which are respectively arranged at the upper end and the lower end of the sliding rod so as to limit the limiting position of the rotating mechanism to slide up and down.
9. The assembly fixture of the main control PCB subassembly of the automatic gear shifter of the automobile of claim 1, wherein the front stop block and the rear stop block are L-shaped, the long edges of the front stop block and the rear stop block are horizontally arranged and are respectively connected with the front side and the rear side of the left stop block, and the short edges of the front stop block and the rear stop block are opposite.
10. The assembly fixture for the main control PCB sub-assembly of the automatic gear shifter of the automobile of claim 9, wherein the L-shaped short edge of the front stop block is provided with a groove.

Description

Main control PCB sub-assembly tool of automatic gear shifter of automobile Technical Field The utility model relates to the technical field of automobile gear shifter assembly, in particular to a main control PCB sub-assembly fixture of an automobile automatic gear shifter. Background In the modern automotive industry, the power transmission system of an automobile is a key component for ensuring normal running and performance of the automobile, and an automobile gear shifter plays a very important role as a core control hub of the system. In the running process of an automobile, the running speed and the power output are required to be continuously adjusted according to different road conditions, running speeds and driving requirements so as to realize efficient, safe and comfortable driving experience, and the main function of the gear shifter is to change the meshing state of an internal gear of the transmission by operating the transmission, so that the gear is switched, and the running speed and the torque output of the automobile are adjusted. The accurate operation and the reliability of the gear shifter directly influence the power transmission efficiency and the driving smoothness of the automobile, and meanwhile, the quality of the gear shifter directly restricts the safety performance of the automobile. The main control PCB (printed circuit board) is used as a core component of the gear shifter, plays a vital role in the function realization of the gear shifter, and is provided with a plurality of electronic components, including resistors, capacitors, inductors, integrated circuits and the like, which realize the processing, transmission and control of signals through circuit connection, wherein a plurality of components are also provided with pins, the pins are key parts for connecting the components with the PCB and an external circuit, and the installation accuracy and reliability of the pin directly influence the electrical performance of the whole gear shifter. In the production process of the gear shifter, the installation of the main control PCB is a key link which needs to be paid attention to, the position of the main control PCB is required to be accurate, in the prior art, an operator usually holds the support body subassembly to install the main control PCB and the main control PCB cover by hand, or even if a tool is used, if the tool is unreasonably arranged, the support body subassembly is not stably placed, in the assembly process, particularly when fastening screws, shaking is integrally generated, electronic components on the main control PCB can be damaged, and when the main control PCB cover is fastened, the control of screw fastening force by manually screwing screws is difficult to achieve complete uniformity, the main control PCB can be extruded and even deformed, and then the electronic components on the main control PCB are extruded and pulled, and for some precise electronic components such as integrated circuit chips and the like, the uneven stress can cause damage to the internal structure of the components, the problems of cracking, breakage and the like, the pin performance and the service life of the components are seriously affected, and the connection of the components can be damaged, so that the gear shifting circuit is broken. For small and medium enterprises with limited economic conditions and low automation degree, a main control PCB subassembly assembly fixture of a gear shifter is needed to solve the problems. The foregoing background is only for the purpose of facilitating an understanding of the principles and concepts of the utility model and is not necessarily in the prior art to the present application and is not intended to be used as an admission that such background is not entitled to antedate such novelty and creativity by virtue of prior utility model or that it is already disclosed at the date of filing of this application. Disclosure of utility model The utility model aims to provide a main control PCB sub-assembly fixture of an automatic gear shifter for an automobile, which solves the technical problems of main control PCB deformation, electronic component damage and the like caused by uneven stress in the prior art. Therefore, the utility model provides a main control PCB subassembly assembly tool of an automatic gear shifter of an automobile. Preferably, the present utility model may further have the following technical features: A main control PCB sub-assembly fixture of an automatic gear shifter for an automobile comprises a base plate and an automatic screw driving mechanism which are arranged on a workbench, and a mounting seat, an upward pressing mechanism and a side pressing mechanism which are arranged on the base plate, The mounting seat comprises a left stop block, a right stop block, a front stop block and a rear stop block, so that the support body sub-assembly is limited in four directions, namely front, back, left and right; the