Electric control board testing device
The device addresses alignment and force issues in electric control board testing by using clamping assemblies and a force unloading structure to ensure precise contact alignment and safe force distribution, improving test accuracy and reliability.
Patent Information
- Application Number
- CN202420300493.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-19
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-02-19
AI Technical Summary
Existing electric control board testing devices fail to accurately align the detection head with the contacts on the board, leading to inaccurate test results and potential damage due to excessive force, lacking adequate front and rear direction control.
A device with left and right clamping assemblies and front and rear clamping assemblies, combined with a force unloading structure and lifting cylinder, ensures precise alignment and offsets instantaneous forces during testing, using pressure sensing sensors for control.
Ensures accurate test results by preventing misalignment and damage to contacts, enhancing safety and reliability by controlling the device's movement and force distribution.
Smart Images
Figure CN222259503U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric control board testing, in particular to an electric control board testing device. Background Art
[0002] An electronic control board (hereinafter referred to as an electronic control board) is a circuit board. Although its application range is not as wide as that of a circuit board, it is more intelligent and automated than an ordinary circuit board. When the electronic control board is put into use, it is necessary to test the electronic control board. The existing Chinese patent with the authorization announcement number CN215986376U discloses a test device for an electronic control board, including a device body, a threaded rod motor is fixedly installed on the top of the inner wall of the device body, a threaded rod is welded on the output shaft of the threaded rod motor, a movable seat is threadedly connected on the surface of the threaded rod, and a detection head is arranged at the bottom of the movable seat, a gear motor is fixedly installed on the bottom of the device body, a driving gear is welded on the output shaft of the gear motor, a rotating shaft is welded inside the driven gear, and a placement plate is fixedly installed on the top of the rotating shaft, so that manual adjustment is no longer required, thereby improving the working efficiency of the test device, a fixing plate is welded on the upper surface of the placement plate, a sleeve is fixedly installed on the side of the fixing plate, a tension spring is welded on the side of the sleeve, and a clamp is welded on the other side of the tension spring to prevent the electronic control board from moving during the detection process, thereby greatly improving the accuracy of the test device.
[0003] However, in actual application, the above device still has the following problems: since the contacts on the electric control board are very small, the detection head must be accurately placed against the contacts of the electric control board in order to detect the electric control board, and the above device can only limit the left and right directions of the electric control board, but cannot limit the front and back directions of the electric control board, resulting in that the detection head can easily hit the front or back of the contacts of the electric control board when moving downward, causing the test result to be inaccurate; in addition, when the detection head slides down directly and hits the contacts of the electric control board, the instantaneous force on the detection head is large, which can easily damage the contacts of the electric control board, causing the electric control board to be scrapped, and the use is not safe and reliable. Utility Model Content
[0004] The purpose of the utility model is to provide an electric control board testing device in view of the above-mentioned deficiencies, which can limit the front and rear and left and right directions of the electric control board to avoid the situation where the contacts of the electric control board are misaligned with the detection head, thereby ensuring the accuracy of the test results, and can also avoid the situation where the electric control board is scrapped due to the large instantaneous force on the detection head, making it safer and more reliable to use.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A device for testing an electric control board comprises a test bench, a controller arranged on one side of the test bench, a fixed bench fixed on the test bench, left and right clamping assemblies and front and rear clamping assemblies arranged on the test bench, a detection head arranged directly above the fixed bench, a force unloading structure used for installing the detection head, a lifting cylinder used for driving the force unloading structure to rise or fall, and a bracket used for installing the lifting cylinder, the fixed bench is used for placing the electric control board, the left and right clamping assemblies and the front and rear clamping assemblies are used for limiting the left and right and front and rear positions of the electric control board on the fixed bench, the force unloading structure is used for offsetting the instantaneous force when the detection head moves downward, and the lifting cylinder, the left and right clamping assemblies, the front and rear clamping assemblies and the detection head are all electrically connected to the controller.
[0007] Furthermore, the left and right clamping assemblies include a transverse slide groove arranged on the test bench, a longitudinal slide groove arranged perpendicular to the transverse slide groove, the fixed platform is arranged directly above the intersection of the transverse slide groove and the longitudinal slide groove, the left and right clamping assemblies are arranged in the transverse slide groove, and the front and rear clamping assemblies are arranged in the longitudinal slide groove.
[0008] Furthermore, the left and right clamping assemblies include a left slider and a right slider slidably connected in the transverse slide groove, a left clamping plate and a right clamping plate arranged opposite to each other on the left and right sides, a transverse screw rotatably connected in the transverse slide groove, a transverse motor arranged at one end of the transverse slide groove, the output shaft of the transverse motor drivingly connected to the transverse screw, two sections of transverse external thread 1 and transverse external thread 2 with opposite rotation directions are adjacently arranged on the transverse screw, transverse internal thread 1 and transverse internal thread 2 are respectively arranged on the left slider and the right slider opposite to the transverse external thread 1 and the transverse external thread 2, the top ends of the left slider and the right slider are respectively fixedly connected to the left clamping plate and the right clamping plate, and transverse pressure sensing sensors are respectively arranged on the opposite surfaces of the left clamping plate and the right clamping plate.
[0009] Furthermore, the front and rear clamping assemblies include a front slider and a rear slider slidably connected in the longitudinal slide groove, a front clamp plate and a rear clamp plate arranged opposite to each other in the front and rear, a longitudinal screw rotatably connected in the longitudinal slide groove, a longitudinal motor arranged at one end of the longitudinal slide groove, an output shaft of the longitudinal motor drivingly connected to the longitudinal screw, two sections of longitudinal external thread 1 and longitudinal external thread 2 with opposite rotation directions are adjacently arranged on the longitudinal screw, longitudinal internal thread 1 and longitudinal internal thread 2 are respectively arranged on the front slider and the rear slider opposite to the longitudinal external thread 1 and the longitudinal external thread 2, the top ends of the front slider and the rear slider are respectively fixedly connected to the front clamp plate and the rear clamp plate, and longitudinal pressure sensing sensors are respectively arranged on the opposite surfaces of the front clamp plate and the rear clamp plate.
[0010] Furthermore, a slide rail is vertically arranged on the bracket; the force unloading structure includes a slide frame slidably connected to the slide rail, the top end of which is fixed to an outer cylinder at the bottom of the slide frame, a force unloading block slidably connected to the outer cylinder, the top end of which extends into an inner cylinder in the outer cylinder, and a detection seat fixed at the bottom end of the inner cylinder, the detection head is installed at the bottom of the detection seat, the force unloading block is connected to the slide frame by a plurality of telescopic rods, a spring is sleeved on the telescopic rod, and the piston rod head of the lifting cylinder drives the slide frame.
[0011] The beneficial effects of the utility model are:
[0012] In actual applications, the electric control board to be tested is placed on a fixed platform, and the controller controls the left and right clamping components and the front and rear clamping components to limit the electric control board on the fixed platform to the left and right, front and back. When the lifting cylinder drives the unloading structure to drive the detection head to move downward, the unloading structure offsets the instantaneous force of the detection head when it moves downward, thereby avoiding the situation that the contacts of the electric control board are damaged due to excessive instantaneous force, and the electric control board is tested by the detection head. The utility model can limit the front and back, left and right directions of the electric control board to avoid the situation that the contacts of the electric control board are misaligned with the detection head, thereby ensuring the accuracy of the test results, and can also avoid the situation that the electric control board is scrapped due to the large instantaneous force on the detection head, and is safer and more reliable to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 It is a top view of the utility model;
[0015] Figure 3 yes Figure 2 Sectional view at AA in the middle;
[0016] Figure 4 yes Figure 3 A partial enlarged view of point B in the middle;
[0017] Figure numerals: test bench 1; bracket 11; slide rail 111; transverse slide groove 12; longitudinal slide groove 13; controller 2; fixed platform 3; detection head 4; force unloading structure 5; slide frame 51; outer cylinder 52; force unloading block 53; inner cylinder 54; detection seat 55; telescopic rod 56; spring 57; left slider 71; right slider 72; left clamping plate 73; right clamping plate 74; transverse lead screw 75; transverse external thread 1 751; transverse external thread 2 752; transverse motor 76; transverse pressure sensing sensor 77; front clamping plate 81; rear clamping plate 82; longitudinal lead screw 83; longitudinal motor 84; longitudinal pressure sensing sensor 85. DETAILED DESCRIPTION
[0018] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, an electric control board testing device includes a test bench 1, a controller 2 arranged on one side of the test bench 1, a fixed table 3 fixed on the test bench 1, left and right clamping assemblies and front and rear clamping assemblies arranged on the test bench 1, a detection head 4 arranged directly above the fixed table 3, a force unloading structure 5 used for installing the detection head 4, a lifting cylinder 6 used for driving the force unloading structure 5 to rise or fall, and a bracket 11 used for installing the lifting cylinder 6, the fixed table 3 is used to place the electric control board, the left and right clamping assemblies and the front and rear clamping assemblies are used to limit the electric control board on the fixed table 3 to the left and right and front and rear, the force unloading structure 5 is used to offset the instantaneous force when the detection head 4 moves downward, and the lifting cylinder 6, the left and right clamping assemblies, the front and rear clamping assemblies and the detection head 4 are all electrically connected to the controller 2.
[0019] When in use, the electric control board to be tested is placed on the fixed platform 3, and the controller 2 limits the electric control board on the fixed platform 3 to the left and right, front and back by controlling the left and right clamping components and the front and back clamping components. During the process of the lifting cylinder 6 driving the unloading structure 5 to drive the detection head 4 to move downward, the unloading structure 5 offsets the instantaneous force of the detection head 4 when moving downward, thereby avoiding the situation that the contacts of the electric control board are damaged due to excessive instantaneous force, and the electric control board is tested by the detection head 4; the utility model can limit the front and back, left and right directions of the electric control board to avoid the situation that the contacts of the electric control board are misaligned with the detection head 4, thereby ensuring the accuracy of the test results, and can also avoid the situation that the electric control board is scrapped due to the large instantaneous force on the detection head 4, and is safer and more reliable to use.
[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the left and right clamping assemblies include a transverse slide groove 12 arranged on the test bench 1, and a longitudinal slide groove 13 arranged perpendicular to the transverse slide groove 12. The fixed platform 3 is arranged directly above the intersection of the transverse slide groove 12 and the longitudinal slide groove 13. The left and right clamping assemblies are arranged in the transverse slide groove 12, and the front and rear clamping assemblies are arranged in the longitudinal slide groove 13. In this embodiment, the left and right clamping assemblies are installed through the transverse slide groove 12, and the front and rear clamping assemblies are installed in the longitudinal slide groove 13.
[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the left and right clamping assemblies include a left slider 71 and a right slider 72 slidably connected in the transverse slide 12, a left clamping plate 73 and a right clamping plate 74 arranged opposite to each other on the left and right, a transverse lead screw 75 rotatably connected in the transverse slide 12, and a transverse motor 76 arranged at one end of the transverse slide 12. The output shaft of the transverse motor 76 drives and connects the transverse lead screw 75. Two sections of transverse external threads 1 751 and 752 with opposite rotation directions are adjacently arranged on the transverse lead screw 75. The left slider 71 and the right slider 72 are respectively provided with transverse internal threads 1 and 2 opposite to the transverse external threads 1 751 and 752. The left slider 71 The top of the right slider 72 is fixedly connected to the left clamping plate 73 and the right clamping plate 74 respectively, and lateral pressure sensing sensors 77 are respectively arranged on the opposite surfaces of the left clamping plate 73 and the right clamping plate 74; in the present embodiment, since the left slider 71 is screwed to the lateral external thread 1 751 through the lateral internal thread 1, and the right slider 72 is screwed to the lateral internal thread 2 through the lateral internal thread 2, when the lateral motor 76 drives the lateral lead screw 75 to rotate, the left slider 71 and the right slider 72 approach each other along the lateral slide groove 12, driving the left clamping plate 73 and the right clamping plate 74 to approach each other, and when the lateral pressure sensing sensor 77 senses that the electric control board has been clamped, the lateral motor 76 stops driving, and the electric control board can be positioned left and right.
[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the front and rear clamping components include a front slider and a rear slider slidably connected in the longitudinal slide 13, a front clamp plate 81 and a rear clamp plate 82 arranged opposite to each other, a longitudinal lead screw 83 rotatably connected in the longitudinal slide 13, a longitudinal motor 84 arranged at one end of the longitudinal slide 13, the output shaft of the longitudinal motor 84 drivingly connected to the longitudinal lead screw 83, two sections of longitudinal external threads 1 and 2 with opposite rotation directions are arranged adjacent to each other on the longitudinal lead screw 83, a longitudinal internal thread 1 and a longitudinal internal thread 2 are arranged on the front slider and the rear slider respectively opposite to the longitudinal external thread 1 and the longitudinal external thread 2, and the front slider and the rear slider are respectively provided with longitudinal internal threads 1 and 2. The top of the block is fixedly connected to the front side clamping plate 81 and the rear side clamping plate 82 respectively, and longitudinal pressure sensing sensors 85 are respectively arranged on the opposite surfaces of the front side clamping plate 81 and the rear side clamping plate 82; in the present embodiment, since the front side slider is screwed to the longitudinal external thread 1 through the longitudinal internal thread 1, and the rear side slider is screwed to the longitudinal internal thread 2 through the longitudinal internal thread 2, during the rotation of the longitudinal lead screw 83 driven by the longitudinal motor 84, the front side slider and the rear side slider approach each other along the longitudinal slide groove 13, driving the front side clamping plate 81 and the rear side clamping plate 82 to approach each other, and when the longitudinal pressure sensing sensor 85 senses that the electric control board has been clamped, the transverse motor 76 stops driving, and the front and rear positioning of the electric control board can be performed.
[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a slide rail 111 is vertically arranged on the bracket 11; the unloading structure 5 includes a slide 51 slidably connected to the slide rail 111, the top end of which is fixed to the outer cylinder 52 at the bottom of the slide 51, a unloading block 53 slidably connected to the outer cylinder 52, the top end of which extends into the inner cylinder 54 in the outer cylinder 52, and a detection seat 55 fixed to the bottom end of the inner cylinder 54. The detection head 4 is installed at the bottom of the detection seat 55. The unloading block 53 and the slide 51 are connected by a plurality of telescopic The telescopic rod 56 is connected, and a spring 57 is sleeved on the telescopic rod 56. The piston rod head of the lifting cylinder 6 drives and connects to the slide 51. In this embodiment, when the piston rod head of the lifting cylinder 6 extends to drive the slide 51 to move downward, when the detection head 4 presses against the contacts on the electric control board, the spring 57 and the telescopic rod 56 are compressed by the extrusion force, and the unloading block 53 slides up along the inner wall of the outer cylinder 52 to offset the instantaneous force on the detection head 4, thereby avoiding the detection head 4 from damaging the contacts of the electric control board and causing the electric control board to be scrapped.
[0024] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the scope defined by the spirit of the present invention.
Claims
1. An electric control board testing device, characterized in that: The invention comprises a test bench (1), a controller (2) arranged on one side of the test bench (1), a fixed platform (3) fixed on the test bench (1), a left and right clamping assembly and a front and rear clamping assembly arranged on the test bench (1), a detection head (4) arranged directly above the fixed platform (3), a force unloading structure (5) used for installing the detection head (4), a lifting cylinder (6) used for driving the force unloading structure (5) to rise or fall, and a bracket (11) used for installing the lifting cylinder (6), the fixed platform (3) being used for placing an electric control panel, the left and right clamping assemblies and the front and rear clamping assemblies being used for limiting the electric control panel on the fixed platform (3) to the left and right and to the front and rear, the force unloading structure (5) being used for offsetting the instantaneous force when the detection head (4) moves downward, and the lifting cylinder (6), the left and right clamping assemblies, the front and rear clamping assemblies and the detection head (4) are all electrically connected to the controller (2).
2. The electric control board testing device according to claim 1, characterized in that: The left and right clamping assemblies include a transverse slide groove (12) arranged on the test platform (1), and a longitudinal slide groove (13) arranged perpendicular to the transverse slide groove (12); the fixed platform (3) is arranged directly above the intersection of the transverse slide groove (12) and the longitudinal slide groove (13); the left and right clamping assemblies are arranged in the transverse slide groove (12); and the front and rear clamping assemblies are arranged in the longitudinal slide groove (13).
3. The electric control board testing device according to claim 2, characterized in that: The left and right clamping components include a left slider (71) and a right slider (72) slidably connected in the transverse slide groove (12), a left clamping plate (73) and a right clamping plate (74) arranged opposite to each other on the left and right, a transverse lead screw (75) rotatably connected in the transverse slide groove (12), and a transverse motor (76) arranged at one end of the transverse slide groove (12). The output shaft of the transverse motor (76) is driven and connected to the transverse lead screw (75). The transverse lead screw (75) is adjacently provided with two transverse outer ends with opposite rotation directions. The left slider (71) and the right slider (72) are provided with transverse internal thread one (751) and transverse external thread two (752), respectively facing the transverse external thread one (751) and transverse external thread two (752), the top ends of the left slider (71) and the right slider (72) are respectively fixedly connected to the left clamping plate (73) and the right clamping plate (74), and the opposite surfaces of the left clamping plate (73) and the right clamping plate (74) are respectively provided with transverse pressure sensing sensors (77).
4. The electric control board testing device according to claim 2, characterized in that: The front and rear clamping components include a front slider and a rear slider slidably connected in the longitudinal slide groove (13), a front clamp plate (81) and a rear clamp plate (82) arranged opposite to each other, a longitudinal lead screw (83) rotatably connected in the longitudinal slide groove (13), a longitudinal motor (84) arranged at one end of the longitudinal slide groove (13), the output shaft of the longitudinal motor (84) drivingly connected to the longitudinal lead screw (83), two sections of longitudinal external threads 1 and 2 with opposite rotation directions are adjacently arranged on the longitudinal lead screw (83), the front slider and the rear slider are respectively provided with longitudinal internal threads 1 and 2 opposite to the longitudinal external threads 1 and 2, the top ends of the front slider and the rear slider are respectively fixedly connected to the front clamp plate (81) and the rear clamp plate (82), and longitudinal pressure sensing sensors (85) are respectively arranged on the opposite surfaces of the front clamp plate (81) and the rear clamp plate (82).
5. The electric control board testing device according to claim 1, characterized in that: A slide rail (111) is vertically arranged on the bracket (11); the unloading structure (5) comprises a slide frame (51) slidably connected to the slide rail (111), the top end of which is fixed to an outer cylinder (52) at the bottom of the slide frame (51), a unloading block (53) slidably connected to the inner cylinder (52) at the top end, an inner cylinder (54) extending into the outer cylinder (52), and a detection seat (55) fixed to the bottom end of the inner cylinder (54); the detection head (4) is installed at the bottom of the detection seat (55); the unloading block (53) and the slide frame (51) are connected by a plurality of telescopic rods (56); a spring (57) is sleeved on the telescopic rod (56); and the piston rod head of the lifting cylinder (6) is driven to connect to the slide frame (51).