A universal FCT device

Abstract

The present invention discloses a universal FCT device, which is characterized in that it comprises a fixed frame, wherein a driving mechanism is installed on the fixed frame, and the driving mechanism comprises a lifting platform, wherein a left lifting arm and a right lifting arm are respectively arranged on the left and right sides of the lifting platform; a motor is fixed to a connecting block on the right lifting arm, and the motor drives a lead screw to rotate, and the lead screw is threadedly connected to the connecting block of the left lifting arm; the motor rotates the lead screw to change the distance between the connecting blocks of the left and right lifting arms, and drives the lifting platform to move up and down; a needle bed slot is arranged at the lower part of the lifting platform, and the needle bed is inserted into the needle bed slot; an industrial connector that cooperates with each other is arranged at the bottom of the needle bed slot and the bottom of the needle bed.

Description

Technical Field

[0001] The invention belongs to the electrical field and relates to a universal FCT device. Background Art

[0002] FCT (Functional Circuit Test) refers to a test method that provides a simulated operating environment (stimulus and load) to the test target board (UUT: Unit Under Test) to make it work in various design states, thereby obtaining the parameters of each state to verify the function of the UUT. Simply put, it is to load the UUT with appropriate stimulus and measure whether the output response meets the requirements. It generally refers to the functional test of PCBA. Existing FCT test equipment has the following disadvantages:

[0003] 1. The equipment is heavy, inconvenient to carry, and accidents may easily occur if operated improperly.

[0004] 2. The equipment is large in size and takes up a lot of space, so it has no advantage in being used in assembly-line testing environments.

[0005] 3. The degree of modularization is not high, the maintenance procedures are relatively complicated, and without professional training, misoperation is prone to occur.

[0006] 4. The lack of a complete set of standardized equipment is not conducive to unified design and upgrading. Summary of the invention

[0007] In view of the deficiencies in the prior art, the present invention provides a universal FCT structural design with a pneumatic quick-change device, which is convenient for operators, testing engineers, etc. to disassemble, inspect and repair the needle bed, thereby increasing the ease of operation and improving work efficiency.

[0008] The technical solution of the present invention is as follows:

[0009] A universal FCT device comprises a fixed frame, wherein a driving mechanism is mounted on the fixed frame, the driving mechanism comprises a lifting platform, and a left lifting arm and a right lifting arm are respectively arranged on the left and right sides of the lifting platform;

[0010] The left lifting arm and the right lifting arm have the same structure: both include an upper arm and a lower arm, the upper end of the upper arm is hinged to the top of the fixed frame, the lower end of the upper arm is hinged to the connecting block, the connecting block is hinged to the upper end of the lower arm, and the lower end of the lower arm is hinged to the lifting platform;

[0011] The connection block on the right lifting arm is fixed with a motor, the motor drives a lead screw to rotate, and the lead screw is threadedly connected to the connection block of the left lifting arm; the motor rotates the lead screw to change the distance between the connection blocks of the left and right lifting arms, driving the lifting platform to move up and down;

[0012] A needle bed slot is provided at the lower part of the lifting platform, and the needle bed is inserted into the needle bed slot; and industrial connectors which cooperate with each other are respectively provided at the bottom of the needle bed slot and the bottom of the needle bed.

[0013] Furthermore, vertically arranged guide rails are provided on both sides of the lifting platform, the guide rails are fixed on the fixed frame, and the lifting platform moves up and down along the guide rails.

[0014] Furthermore, a deflected guide groove is provided on the needle bed; a locking rod is provided on the needle bed slot, and a convex shaft is provided on the locking rod; after the needle bed is installed in place, the convex shaft is inserted into the guide groove, and the locking rod is pulled along the direction of the guide groove, and the convex shaft penetrates into the bottom of the guide groove to lock the needle bed.

[0015] Furthermore, there are multiple guide grooves and convex shafts.

[0016] The beneficial effects of the present invention are:

[0017] 1. It can easily make the lifting platform move smoothly and ensure that the platform moves along the direction limited by the guide rail;

[0018] 2. The lower needle bed can be quickly disassembled, which is convenient for workers or engineers to repair or replace the needle bed to meet different production and testing needs;

[0019] 3. Since many production lines require engineering docking to meet the assembly of shaped products, etc., and the important key technical point lies in the accurate, safe and efficient implementation of the project, this design adopts the method of connecting rollers and guide grooves to meet the accurate docking of the male and female heads of the industrial connector in the front and rear directions, and the realization principle is reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described in detail below based on the accompanying drawings and embodiments.

[0021] Figure 1 A front view schematic diagram provided for this embodiment;

[0022] Figure 2 A three-dimensional schematic diagram of a needle bed driving device provided in this embodiment;

[0023] Figure 3 A schematic top view of the needle bed quick-change device provided in this embodiment;

[0024] Figure 4 A schematic cross-sectional view of a needle bed quick-change device provided in this embodiment;

[0025] Figure 5 This is a schematic rear view of the needle bed provided in this embodiment. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described below. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0027] like Figure 1-3 As shown, a universal FCT structure design proposed by the present invention is mainly composed of two parts, the upper part is mainly an upper needle bed driving device, and the lower part is mainly a needle bed quick changing device.

[0028] The driving device mainly includes: a motor 2, a screw rod 7, and a guide rail 11;

[0029] The needle bed quick-change device mainly includes: a locking rod 9, a needle bed 5, a needle bed slot, an industrial connector 13, a guide groove 12 and other components.

[0030] Combination Figure 1 The main structure of the upper needle bed driving device is an X-shaped suspension 3. The left lifting arm and the right lifting arm have the same structure, both including an upper arm 31 and a lower arm 32. The upper end of the upper arm is hinged to the top of the fixed frame 1, and the lower end of the upper arm is hinged to the connecting block. The connecting block is hinged to the upper end of the lower arm, and the lower end of the lower arm is hinged to the lifting platform. The X-shaped suspension 3 is driven by the motor 2 to move the screw rod 7, so that the distance between the left and right arms of the X-shaped suspension is shortened, and the lifting platform 4 is driven up and down under the action of the mechanical structure. Combined with Figure 2 When the lifting platform 4 moves up and down, its movement trajectory is limited by the guide rails 11 on both sides, so that the lifting platform 4 moves in the vertical direction, ensuring the stability of the movement of the upper needle bed 4.

[0031] Below the lifting platform 4 is a needle bed quick-change device, which adopts a quick-release mechanism and has a plug-in form: a needle bed slot is provided at the bottom of the lifting platform, and the needle bed 5 is inserted into the needle bed slot. The bottom of the needle bed slot is a male connector of the industrial connector, and the industrial connector behind the needle bed 5 is a female connector (such as Figure 5 As shown in the figure, the two are plugged together to realize reliable connection of the internal circuit. The mechanism can be quickly disassembled, which is convenient for repairing or replacing the needle bed.

[0032] Combination Figure 2-4 When the handle 8 is turned, the transmission rod drives the locking rod 9 to move horizontally. A row of rollers 10 are fixed on the locking rod 9, and a row of guide grooves 12 are correspondingly arranged on the needle bed 5. The locking rod 9 drives the roller 10 to move horizontally, and the roller 10 applies a pulling force to the guide groove 12 to ensure the reliable connection of the male and female heads of the industrial connector 13; if the needle bed 5 needs to be replaced, the handle 8 is turned in the opposite direction to drive the roller 10 to exit the guide groove 12, and the needle bed 5 can be directly pulled out.

[0033] Matters not covered in the present invention are known technologies. The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A universal FCT device, characterized in that: It comprises a fixed frame, characterized in that a driving mechanism is installed on the fixed frame, and the driving mechanism comprises a lifting platform, and a left lifting arm and a right lifting arm are respectively provided on the left and right sides of the lifting platform; The left lifting arm and the right lifting arm have the same structure, and both include an upper arm and a lower arm, wherein the upper end of the upper arm is hinged to the top of the fixed frame, the lower end of the upper arm is hinged to the connecting block, the connecting block is hinged to the upper end of the lower arm, and the lower end of the lower arm is hinged to the lifting platform; The connecting block on the right lifting arm is fixed with a motor, the motor drives a lead screw to rotate, and the lead screw is threadedly connected to the connecting block of the left lifting arm; the motor drives the lead screw to rotate to change the distance between the connecting blocks of the left and right lifting arms, and drives the lifting platform to move up and down; The lower part of the lifting platform is provided with a needle bed slot, and the needle bed is inserted into the needle bed slot; the bottom of the needle bed slot and the bottom of the needle bed are respectively provided with industrial connectors that cooperate with each other; Both sides of the lifting platform are provided with vertically arranged guide rails, the guide rails are fixed on the fixed frame, and the lifting platform moves up and down along the guide rails; The needle bed is provided with a deflected guide groove; the needle bed slot is provided with a locking rod, and the locking rod is provided with a convex shaft; after the needle bed is installed in place, the convex shaft is inserted into the guide groove, and the locking rod is pulled along the direction of the guide groove, and the convex shaft penetrates into the bottom of the guide groove to lock the needle bed; The specific usage process is: When the handle is turned, the transmission rod drives the locking rod to move laterally. A row of rollers is fixed on the locking rod, and a row of guide grooves are correspondingly arranged on the needle bed. The locking rod drives the rollers to move laterally, and the rollers apply tension to the guide grooves to ensure the reliable connection of the male and female heads of the industrial connector. If the needle bed needs to be replaced, the handle is turned in the opposite direction to drive the rollers to exit the guide grooves, and the needle bed can be directly pulled out.

2. A universal FCT device as claimed in claim 1, characterized in that: There are multiple guide grooves and convex shafts.

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