Test fixture
By designing a test fixture for industrial production, and using positioning strips, positioning plates and linear moving mechanisms to realize automatic detection of multiple workpieces, the problem of low manual detection efficiency in the prior art is solved, and the detection efficiency and production competitiveness are improved.
Patent Information
- Application Number
- CN202421613776.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-09
AI Technical Summary
The existing technology relies on labor for product testing in industrial production, resulting in high costs, low efficiency, lack of competitiveness, and difficulty in large-scale promotion and industrial production.
A test fixture is designed, including a bottom box, a positioning seat, a fixed seat, a linear moving mechanism, a slide rail, a positioning plate, a connecting plate and a probe base. The workpiece is fixed through a positioning strip and a positioning plate, and the linear moving mechanism is used to drive the probe base to electrically connect the detection contacts of the workpiece to realize one-time detection of multiple workpieces.
It improves the detection efficiency and can detect multiple workpieces at one time, reduces the cost and time of manual inspection, and enhances the competitiveness of industrial production.
Smart Images
Figure CN222994544U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a jig, in particular to a test jig. Background Art
[0002] With the development of the times, industrial production technology has also been developing rapidly, and automated equipment has been more and more applied in industrial production. At present, products are usually detected manually before leaving the factory. Manual detection not only has a high cost but also low efficiency, lacking competitiveness in the industrial field that emphasizes cost reduction and efficiency improvement, and is not conducive to large-scale promotion and industrialized production. Summary of the Utility Model
[0003] In order to overcome the above defects, the utility model provides a test jig, which has the advantage of high detection efficiency.
[0004] The technical solution adopted by the utility model to solve its technical problems is: a test jig, comprising: a bottom box, a positioning seat, a fixing seat, a linear moving mechanism, two slide rails, two positioning plates, a connecting plate and a probe seat. The positioning seat is fixed on the top surface of the bottom box. A test mechanism for testing is arranged inside the bottom box. Two positioning strips are fixedly arranged opposite to each other on the top surface of the positioning seat. A plurality of workpieces with a quantity greater than one can be placed side by side between the two positioning strips. The front end of the workpiece can abut against one of the positioning strips, and the rear end of the workpiece can abut against the other positioning strip. The slide rails are fixed on the top surface of the positioning seat on the left and right sides of the positioning strips. The positioning plates are slidably connected to the slide rails. One of the positioning plates can be moved to the left side of the workpiece under the push of an external force, and the other positioning plate can be moved to the right side of the workpiece under the push of an external force. The outer side walls of the two outermost workpieces can respectively abut against the adjacent positioning plates. The fixing seat is fixed on the top surface of the bottom box. The linear moving mechanism is fixed on the fixing seat. The connecting plate is fixed on the moving end of the linear moving mechanism. A plurality of probe seats equal in number to the workpieces are fixed on the bottom surface of the connecting plate. One probe seat corresponds to one workpiece. The root of the probe is fixed on the probe seat. The root of the probe is electrically connected to the test mechanism. The end of the probe faces the workpiece. The probe seat can be driven by the linear moving mechanism to approach the workpiece, and the end of the probe can be electrically connected to the detection contact on the workpiece.
[0005] Optionally, it further includes two first guide rods, two second guide rods and four limit rods. Two first fixing holes are formed in the top surface of the bottom box. The first linear bearings are fixed in the first fixing holes. The first ends of the two first guide rods are respectively fixed to the left and right sides of the connecting plate. The second ends of the first guide rods are slidably connected to the first linear bearings, and the second ends of the first guide rods can extend into the bottom box. Second fixing holes are formed in the left and right sides of the connecting plate. The second linear slide rails are fixed in the second fixing holes. The first ends of the second guide rods are slidably connected to the second linear bearings, and the ends of the first ends of the second guide rods can penetrate through the second linear bearings. Limit blocks are fixed to the ends of the first ends of the second guide rods. The second ends of the second guide rods are fixed to the top surface of the bottom box. The first ends of the limit rods are fixed to the four corners of the connecting plate, and the second ends of the limit rods face the top surface of the bottom box. The first guide rods, the second guide rods and the limit rods are all perpendicular to the top surface of the bottom box.
[0006] Optionally, the fixing seat includes two vertical plates, a bottom plate and a top plate. The two vertical plates are vertically fixed to the top surface of the bottom box. The bottom plate is fixedly connected to the two vertical plates at the bottom of the vertical plates. The top plate is fixedly connected to the two vertical plates at the top of the vertical plates. The linear moving mechanism is fixed to the top plate.
[0007] Optionally, the linear moving mechanism includes a connecting seat, a third linear bearing, a top rod, a shaft seat, a connecting rod and a handle. The connecting seat is fixed to the top plate. The third linear bearing and the shaft seat are fixed to the connecting seat. The third linear bearing is located below the shaft seat. The top rod is slidably connected to the third linear bearing. The handle is L-shaped. The first end of the handle is swingably connected to the shaft seat. The second end of the handle is provided with an anti-slip sleeve. The first end of the connecting rod is swingably connected to the corner of the handle. The second end of the connecting rod is swingably connected to the first end of the top rod. The second end of the top rod is connected to the connecting plate.
[0008] Optionally, the workpiece includes an input module, an output module and a coupler module. The probe seat is detachably fixed to the bottom surface of the connecting plate by bolts. A positioning pin is provided on the bottom surface of the connecting plate. A positioning hole is formed in the positioning seat, and the end of the positioning pin can extend into the positioning hole.
[0009] Optionally, a control button and an indicator light are provided on the side wall of the bottom box, and a buffer block is provided at the second end of the limit rod.
[0010] The beneficial technical effects of the present utility model are as follows: The test fixture includes a bottom box, a positioning seat, a fixing seat, a linear movement mechanism, two slide rails, two positioning plates, a connecting plate, and a probe seat. When in use, first place the workpieces side by side between two positioning bars, and then manually push the two positioning plates to the left and right sides of the workpieces. The left and right sides of the workpieces abut against the positioning plates to fix the workpieces. Then, the linear movement mechanism drives the probe seat to approach the workpieces, and the end of the probe is electrically connected to the detection contact points of the workpieces. Since one probe seat corresponds to one workpiece, setting the same number of probe seats as the workpieces can detect all the workpieces at one time, and the detection efficiency is high. It has the advantage of high detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 is a perspective view of the whole machine of the present utility model from the first perspective;
[0012] Figure 2 is a perspective view of the whole machine of the present utility model from the second perspective;
[0013] Wherein:
[0014] 1. Bottom box; 2. Positioning seat; 3. Positioning bar; 4. Fixing seat; 5. Slide rail; 6. Positioning plate; 7. Connecting plate; 8. Probe seat; 9. Workpiece; 10. First guide rod; 11. First linear bearing; 12. Second guide rod; 13. Limiting block; 14. Limiting rod; 15. Connecting seat; 16. Third linear bearing; 17. Ejector rod; 18. Connecting rod; 19. Handle. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0015] In order to more clearly understand the technical means of the present utility model and be able to implement it according to the content of the specification, the following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model but are not used to limit the scope of the present utility model.
[0016] This specific embodiment details the test fixture described in the present application, as Figure 1 and Figure 2As shown in the figure, the test fixture includes: a bottom box 1, a positioning seat 2, a fixing seat 4, a linear movement mechanism, two slide rails 5, two positioning plates 6, a connecting plate 7, and a probe seat 8. The positioning seat 2 is fixed on the top surface of the bottom box 1. A test mechanism for testing is arranged inside the bottom box 1. Two positioning bars 3 are fixedly arranged opposite to each other on the top surface of the positioning seat 2. A plurality of workpieces 9 with a quantity greater than one can be placed side by side between the two positioning bars 3. The front end of the workpiece 9 can abut against one of the positioning bars 3, and the rear end of the workpiece 9 can abut against the other positioning bar 3. The slide rails 5 are fixed on the top surface of the positioning seat 2 on the left and right sides of the positioning bars 3. The positioning plates 6 are slidably connected to the slide rails 5. One of the positioning plates 6 can be moved to the left side of the workpiece 9 under the push of an external force, and the other positioning plate 6 can be moved to the right side of the workpiece 9 under the push of an external force. The outer side walls of the two outermost workpieces 9 can respectively abut against the adjacent positioning plates 6. The fixing seat 4 is fixed on the top surface of the bottom box 1. The linear movement mechanism is fixed on the fixing seat 4. The connecting plate 7 is fixed on the moving end of the linear movement mechanism. A plurality of probe seats 8 with the same quantity as the workpieces 9 are fixed on the bottom surface of the connecting plate 7. One probe seat 8 corresponds to one workpiece 9. The root of the probe is fixed on the probe seat 8. The root of the probe is electrically connected to the test mechanism. The end of the probe is facing the workpiece 9. The probe seat 8 can be driven by the linear movement mechanism to approach the workpiece 9, and the end of the probe can be electrically connected to the detection contact on the workpiece 9. During use, first place the workpieces 9 side by side between the two positioning bars 3, and then manually push the two positioning plates 6 to the left and right sides of the workpieces 9. The left and right sides of the workpieces 9 abut against the positioning plates 6 to fix the workpieces 9. Then the linear movement mechanism drives the probe seat 8 to approach the workpiece 9, and the end of the probe is electrically connected to the detection contact on the workpiece 9. Since one probe seat 8 corresponds to one workpiece 9, arranging a plurality of probe seats 8 with the same quantity as the workpieces 9 can detect all the workpieces 9 at one time, and the detection efficiency is high. It has the advantage of high detection efficiency.
[0017] Optionally, in this embodiment, it further includes two first guide rods 10, two second guide rods 12 and four limit rods 14. Two first fixing holes are provided on the top surface of the bottom box 1, and the first linear bearings 11 are fixed in the first fixing holes. The first ends of the two first guide rods 10 are respectively fixed to the left and right sides of the connecting plate 7, and the second ends of the first guide rods 10 are slidably connected to the first linear bearings 11. The second ends of the first guide rods 10 can extend into the bottom box 1. Second fixing holes are provided on the left and right sides of the connecting plate 7, and the second linear slide rails 5 are fixed in the second fixing holes. The first ends of the second guide rods 12 are slidably connected to the second linear bearings, and the ends of the first ends of the second guide rods 12 can pass through the second linear bearings. The limit blocks 13 are fixed to the ends of the first ends of the second guide rods 12, and the second ends of the second guide rods 12 are fixed to the top surface of the bottom box 1. The first ends of the limit rods 14 are fixed to the four corners of the connecting plate 7, and the second ends of the limit rods 14 face the top surface of the bottom box 1. The first guide rods 10, the second guide rods 12 and the limit rods 14 are all perpendicular to the top surface of the bottom box 1. The first guide rods 10 and the second guide rods 12 can guide the movement of the connecting plate 7, and at the same time, the limit blocks 13 can prevent the connecting plate 7 from separating from the second guide rods 12. The limit rods 14 can play a role in limiting, preventing the probe from being damaged by continuing to move after contacting the contacts on the workpiece 9.
[0018] Optionally, in this embodiment, the fixed seat 4 includes two vertical plates, a bottom plate and a top plate. The two vertical plates are vertically fixed to the top surface of the bottom box 1, the bottom plate is fixedly connected to the two vertical plates at the bottom of the vertical plates, and the top plate is fixedly connected to the two vertical plates at the top of the vertical plates. The linear moving mechanism is fixed to the top plate.
[0019] Optionally, in this embodiment, the linear moving mechanism includes a connecting seat 15, a third linear bearing 16, a top rod 17, a shaft seat, a connecting rod 18 and a handle 19. The connecting seat 15 is fixed to the top plate, the third linear bearing 16 and the shaft seat are fixed to the connecting seat 15, the third linear bearing 16 is located below the shaft seat, the top rod 17 is slidably connected to the third linear bearing 16, the handle 19 is in an L shape, the first end of the handle 19 is swingably connected to the shaft seat, and an anti-slip sleeve is provided at the second end of the handle 19. The first end of the connecting rod 18 is swingably connected to the corner of the handle 19, and the second end of the connecting rod 18 is swingably connected to the first end of the top rod 17. The second end of the top rod 17 is connected to the connecting plate 7. When in use, the handle 19 is toggled to drive the top rod 17 to move up and down. The connecting rod 18 plays a role in connecting the handle 19 and the top rod 17, and the top rod 17 drives the probe seat 8 to approach or move away from the workpiece 9.
[0020] Optionally, in this embodiment, the workpiece 9 includes an input module, an output module, and a coupler module. The probe base 8 is detachably fixed to the bottom surface of the connection plate 7 by bolts. A positioning pin is provided on the bottom surface of the connection plate 7, and a positioning hole is formed in the positioning seat 2. The end of the positioning pin can extend into the positioning hole. By replacing the probe base 8 with different models to adapt to different models of the workpiece 9, and at the same time, the positioning pin can play a positioning role, so that the probe can contact the contacts on the workpiece 9 more accurately.
[0021] Optionally, in this embodiment, a control button and an indicator light are provided on the side wall of the bottom box 1, and a buffer block is provided at the second end of the limiting rod 14. The buffer block can play a buffering role to prevent the limiting rod 14 from being damaged.
[0022] Using the test fixture in this embodiment has the advantage of high detection efficiency.
Claims
1. A test fixture, characterized in that: include: A bottom box (1), a positioning seat (2), a fixing seat (4), a linear moving mechanism, two slide rails (5), two positioning plates (6), a connecting plate (7) and a probe seat (8); the positioning seat (2) is fixed to the top surface of the bottom box (1); a testing mechanism for testing is arranged inside the bottom box (1); two positioning bars (3) are fixed to the top surface of the positioning seat (2) in opposite directions; a number of workpieces (9) greater than one can be placed side by side between the two positioning bars (3); the front end of the workpiece (9) can abut against one of the positioning bars (3); the rear end of the workpiece (9) can abut against the other positioning bar (3); the slide rails (5) are fixed to the top surface of the positioning seat (2) and are located on the left and right sides of the positioning bar (3); the positioning plates (6) are slidably connected to the slide rails (5); and one of the positioning plates (6) can move under the push of an external force. To the left side of the workpiece (9), another positioning plate (6) can be moved to the right side of the workpiece (9) under the push of external force, the outer side walls of the two outermost workpieces (9) can respectively abut against the adjacent positioning plates (6), the fixing seat (4) is fixed to the top surface of the bottom box (1), the linear motion mechanism is fixed to the fixing seat (4), the connecting plate (7) is fixed to the moving end of the linear motion mechanism, and the same number of probe seats (8) as the workpieces (9) are fixed to the bottom surface of the connecting plate (7), one probe seat (8) corresponds to one workpiece (9), the root of the probe is fixed to the probe seat (8), the root of the probe is electrically connected to the test mechanism, the end of the probe faces the workpiece (9), the probe seat (8) can approach the workpiece (9) under the drive of the linear motion mechanism, and the end of the probe can be electrically connected to the detection contact on the workpiece (9).
2. The test fixture according to claim 1, characterized in that: The invention also comprises two first guide rods (10), two second guide rods (12) and four limit rods (14); the top surface of the bottom box (1) is provided with two first fixing holes; the first linear bearing (11) is fixed in the first fixing holes; the first ends of the two first guide rods (10) are respectively fixed to the left and right sides of the connecting plate (7); the second ends of the first guide rods (10) are slidably connected to the first linear bearing (11); the second ends of the first guide rods (10) can extend into the bottom box (1); the left and right sides of the connecting plate (7) are provided with second fixing holes; the second linear guide rail (5) is fixed to In the second fixing hole, the first end of the second guide rod (12) is slidably connected to the second linear bearing, and the end of the first end of the second guide rod (12) can pass through the second linear bearing. The limit block (13) is fixed to the end of the first end of the second guide rod (12), the second end of the second guide rod (12) is fixed to the top surface of the bottom box (1), the first end of the limit rod (14) is fixed to the four corners of the connecting plate (7), the second end of the limit rod (14) is opposite to the top surface of the bottom box (1), and the first guide rod (10), the second guide rod (12) and the limit rod (14) are all perpendicular to the top surface of the bottom box (1).
3. The test fixture according to claim 1, characterized in that: The fixing seat (4) comprises two vertical plates, a bottom plate and a top plate, the two vertical plates are vertically fixed to the top surface of the bottom box (1), the bottom plate is fixedly connected to the two vertical plates and is located at the bottom of the vertical plates, the top plate is fixedly connected to the two vertical plates and is located at the top of the vertical plates, and the linear moving mechanism is fixed to the top plate.
4. The test fixture according to claim 3, characterized in that: The linear motion mechanism comprises a connecting seat (15), a third linear bearing (16), a push rod (17), a shaft seat, a connecting rod (18) and a handle (19); the connecting seat (15) is fixed to the top plate; the third linear bearing (16) and the shaft seat are fixed to the connecting seat (15); the third linear bearing (16) is located below the shaft seat; the push rod (17) is slidably connected to the third linear bearing (16); the handle (19) is L-shaped; the first end of the handle (19) is swingably connected to the shaft seat; the second end of the handle (19) is provided with an anti-slip sleeve; the first end of the connecting rod (18) is swingably connected to the corner of the handle (19); the second end of the connecting rod (18) is swingably connected to the first end of the push rod (17); and the second end of the push rod (17) is connected to the connecting plate (7).
5. The test fixture according to claim 4, characterized in that: The workpiece (9) comprises an input module, an output module and a coupler module. The probe seat (8) is detachably fixed to the bottom surface of the connecting plate (7) by bolts. The bottom surface of the connecting plate (7) is provided with a positioning pin. The positioning seat (2) is provided with a positioning hole. The end of the positioning pin can extend into the positioning hole.
6. The test fixture according to claim 2, characterized in that: The side wall of the bottom box (1) is provided with a control button and an indicator light, and the second end of the limiting rod (14) is provided with a buffer block.