Concentric rapid clamping testing device
By designing a concentric quick clamping test device, the encoder and test equipment are ensured to be concentric by using a clamping power source and buffer components. This solves the problems of existing equipment being unable to test encoders of small and large volumes at the same time and having insufficient accuracy, thus achieving efficient and accurate encoder testing.
Patent Information
- Application Number
- CN202423135249.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing encoder testing equipment cannot simultaneously meet the testing requirements of both small and large encoders. Furthermore, the slow manual rotation speed affects the testing accuracy, and misalignment between the encoder and the testing equipment also affects the testing accuracy.
A concentric rapid clamping test device was designed, including a rotation power source, a clamping power source and grippers. The clamping power source drives the grippers to hold the encoder, and a buffer component is used to ensure that the encoder is concentric with the test equipment. A servo motor is used to drive the encoder to rotate at high speed.
This technology enables rapid clamping of the encoder during testing, preventing loosening and ensuring concentricity between the encoder spindle and the servo motor spindle, thereby improving testing accuracy and production efficiency.
Smart Images
Figure CN223581060U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to encoder technical field especially is a kind of concentric quick clamping test device. BACKGROUND
[0002] Encoder is the device that signal or data is arranged, converted into the signal form available to communication, transmission and storage.Encoder reads the angle of magnet rotation by the rotation of the magnetic field of radial magnetization cylinder magnet through giant magnetic effect or hall effect, can read the angle of motor rotation, wherein in order to improve the reading accuracy of encoder, encoder needs to be tested before use, to ensure that encoder can be used normally.
[0003] The equipment for detecting encoder on the market is divided into two kinds at present, one is fixed platform type, encoder is placed on test equipment, encoder shaft is driven to rotate by motor on test equipment, that is, encoder can be tested, since encoder needs to be placed on platform, so this fixed platform type test equipment can only test small size encoder, and there is certain requirement to the placement position of encoder;The other test equipment is handheld type, after test equipment and encoder are connected, encoder can be detected by manually rotating encoder, this detection equipment can test large size encoder, but since the rotating speed of manually rotating encoder is slow, so detection effect cannot be achieved.
[0004] Therefore, a simple and rapid test platform is needed to test encoder. INVENTION CONTENTS
[0005] Therefore, the technical problem to be solved by the utility model is to overcome the problems in the prior art that the function of encoder needs to be accurately tested, encoder is placed in test equipment for testing, the height of encoder and test equipment motor needs to be kept concentric, and the overall level of encoder needs to be kept, if encoder is placed in different concentric and uneven, the testing accuracy of encoder will be affected.
[0006] To solve the above technical problems, the utility model provides a kind of concentric quick clamping test device, including: test support seat, its upper portion is equipped with encoder carrier plate, the encoder carrier plate is equipped with the encoder to be tested;Rotary power source is installed on test support seat, the output end of rotary power source is connected with the rotating shaft of the encoder to be tested, and rotary power source is used to drive the rotating shaft of the encoder to be tested to rotate;Clamping power source is installed on test support seat, the output end of clamping power source is connected with two symmetrically arranged clamping arms, the opposite surface of clamping arm is connected with clamping jaw, and clamping power source drives two clamping jaws to clamp the encoder to be tested.
[0007] In one embodiment of the utility model, the buffer assembly is arranged between the clamping jaw and the clamping arm, and the buffer assembly is used for buffering the clamping force between the clamping jaw and the encoder to be tested.
[0008] In one embodiment of the utility model, the buffer assembly comprises a spring, a moving block one and a moving block two, the clamping arm is provided with a guide groove one and a guide groove two, the guide groove one and the guide groove two are communicated and are in the shape of "L", the spring and the moving block one are arranged in the guide groove one, one end of the moving block two is arranged in the guide groove two, one end of the spring is in abutment with the inner wall of the guide groove one, the other end of the spring is in abutment with the moving block one, one end of the moving block two is in contact with the moving block one, and the other end of the moving block two protrudes from the guide groove two and is fixedly connected with the clamping jaw.
[0009] In one embodiment of the utility model, one end of the moving block one close to the moving block two is provided with an inclined surface one, the side surface of the moving block two opposite to the moving block one is provided with a slot, one side of the inner wall of the slot is provided with an inclined surface two, and the inclined surface one is in contact with the inclined surface two.
[0010] In one embodiment of the utility model, the material of the clamping jaw is POM material.
[0011] In one embodiment of the utility model, the side surface of the clamping jaw opposite to the clamping arm is provided with a guide column, the end surface of the clamping arm opposite to the clamping jaw is provided with a guide hole one, and the guide column is arranged in the guide hole one and can slide in the guide hole one.
[0012] In one embodiment of the utility model, the upper end surface of the clamping arm is provided with a cover plate, the cover plate covers the guide groove one and the guide groove two, the moving block one is provided with a rectangular guide block, the cover plate is provided with a guide hole two, the rectangular guide block penetrates through the guide hole two, and the rectangular guide block can move along the guide hole two.
[0013] In one embodiment of the utility model, the opposite surface of the clamping jaw is provided with an arc-shaped recess which is recessed inward, and the encoder to be tested is in contact with the inner wall of the arc-shaped recess.
[0014] In one embodiment of the utility model, the encoder carrier plate is a rectangular flat plate, a circular through hole is arranged at the center position of the encoder carrier plate opposite to the rotary power source, a circular recess is formed in the upper end of the circular through hole, the lower end of the encoder to be tested is arranged in the circular recess, and the rotating shaft of the encoder to be tested penetrates through the circular through hole and is connected with the rotary power source.
[0015] In one embodiment of the utility model, the rotary power source is a motor, and the clamping power source is a clamping cylinder.
[0016] The above technical scheme of the utility model has the following beneficial effects compared with the prior art:
[0017] The concentric quick clamping testing device of the utility model is used for clamping the encoder quickly during the testing process of the encoder, the encoder will not be loosened during the testing process, the encoder main shaft and the servo motor main shaft can be kept concentric, the problem of different concentricity of the encoder is solved, and the product quality and production efficiency are greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to make the content of the utility model more easily understood clearly, the utility model is further described in detail below according to the specific embodiments of the utility model and in combination with the drawings, wherein
[0019] Figure 1 It is the assembly view of the concentric quick clamping testing device in the preferred embodiment of the utility model;
[0020] Figure 2 It is the local structure schematic view of the concentric quick clamping testing device in the preferred embodiment of the utility model Figure 1 ;
[0021] Figure 3 It is the local structure schematic view of the concentric quick clamping testing device in the preferred embodiment of the utility model Figure 2 ;
[0022] Figure 4 It is the local structure schematic view of the concentric quick clamping testing device in the preferred embodiment of the utility model Figure 3 ;
[0023] Figure 6 It is the structure schematic view of the clamping arm and the clamping jaw in the preferred embodiment of the utility model;
[0024] Figure 7 It is the structure schematic view of the clamping jaw in the preferred embodiment of the utility model;
[0025] Figure 1 It is the sectional view of the clamping jaw in the preferred embodiment of the utility model.
[0026] The drawing of the specification is explained as follows: test support seat 1, encoder carrier plate 11, circular through hole 111, circular groove 112, U-shaped switch 12, rotary power source 2, shaft coupling 21, inductive sheet 211, clamping power source 3, clamping arm 4, guide groove one 41, guide groove two 42, guide hole one 43, cover plate 44, guide hole two 441, clamping jaw 5, guide column 51, arc-shaped groove 52, buffer assembly 6, spring 61, moving block one 62, inclined surface one 621, rectangular guide block 622, moving block two 63, insertion slot 631, inclined surface two 632. DETAILED DESCRIPTION
[0027] The utility model will be further described below in combination with the drawings and specific embodiments, so that the skilled in the art can better understand the utility model and can be implemented, but the embodiments are not as the limitation of the utility model.
[0028] Referring to Figures 3-6 , 2 The utility model discloses a concentric quick clamping test device, including: test support seat 1, is equipped with encoder carrier plate 11 on it, be equipped with the encoder of waiting to test on encoder carrier plate 11, rotating power source 2 is installed on test support seat 1, the output of rotating power source 2 is connected with the rotating shaft of the encoder of waiting to test, and rotating power source 2 is used to drive the rotating shaft rotation of the encoder of waiting to test, clamping power source 3 is installed on test support seat 1, the output of clamping power source 3 is connected with two symmetrical clamping arms 4, the opposite face of clamping arm 4 is connected with jaw 5, and clamping power source 3 drives two jaws 5 and holds the encoder of waiting to test. Test support seat 1 includes fixed bottom plate and bottom plate support plate, and the material of both is aluminum, and the surface is done anodic treatment, and the thickness of fixed bottom plate is 10mm. The material of jaw 5 is POM material, avoids the scratch of the encoder of waiting to test when clamping, and clamping produces the encoder. The opposite face of jaw 5 is equipped with the arc-shaped recess 52 of inward recess, and the encoder of waiting to test and the inner wall of arc-shaped recess 52 contact.
[0029] Preferably, rotating power source 2 adopts Panasonic servo motor, and the highest rotating speed is 3000RPM, and servo motor drives the high-speed rotation of the encoder of waiting to test.
[0030] Preferably, the clamping power source 3 is a jaw cylinder. By air pressure control two symmetrical clamping arms 4 open or close to realize the clamping or release of the encoder of waiting to test.
[0031] Referring to Figure 7As shown, the clamping jaw 5 and the clamping arm 4 are provided with a buffer assembly 6 for buffering the clamping force between the clamping jaw 5 and the encoder to be tested. The buffer assembly 6 comprises a spring 61, a moving block one 62 and a moving block two 63. The clamping arm 4 is provided with a guide groove one 41 and a guide groove two 42, which are communicated in an "L" shape. The spring 61 and the moving block one 62 are arranged in the guide groove one 41. One end of the moving block two 63 is arranged in the guide groove two 42. One end of the spring 61 abuts against the inner wall of the guide groove one 41, and the other end of the spring 61 abuts against the moving block one 62. One end of the moving block two 63 is in contact with the moving block one 62, and the other end of the moving block two 63 extends out of the guide groove two 42 and is fixedly connected with the clamping jaw 5. The guide groove one 41 is located inside the clamping arm 4. One end of the guide groove two 42 is communicated with the guide groove one 41, and the other end of the guide groove two 42 extends to the position of the side wall of the clamping arm 4 opposite to the clamping jaw 5.
[0032] In the above structure, one end of the moving block one 62 close to the moving block two 63 is provided with an inclined surface one 621. The side of the moving block two 63 opposite to the moving block one 62 is provided with a slot 631. One side of the inner wall of the slot 631 is provided with an inclined surface two 632. The inclined surface one 621 is in contact with the inclined surface two 632. The moving block one 62 and the moving block two 63 are both rectangular blocks. One end of the moving block one 62 close to the moving block two 63 is arranged in a right trapezoidal shape due to the inclined surface one 621. The small end of the moving block one 62 is inserted into the slot 631.
[0033] Referring to As shown, the side of the clamping jaw 5 opposite to the clamping arm 4 is provided with a guide column 51. The end face of the clamping arm 4 opposite to the clamping jaw 5 is provided with a guide hole one 43. The guide column 51 is arranged in the guide hole one 43 and can slide in the guide hole one 43. The guide column 51 is arranged in two. The corresponding guide hole one 43 is arranged in two. The two guide columns 51 and the two guide hole ones 43 are arranged one by one. The two guide hole ones 43 are arranged on the two sides of the "L" shaped slot formed by the guide groove one 41 and the guide groove two 42.
[0034] In the above structure, the upper end face of the clamping arm 4 is provided with a cover plate 44. The cover plate 44 covers the guide groove one 41 and the guide groove two 42. The moving block one 62 is provided with a rectangular guide block 622. The cover plate 44 is provided with a guide hole two 441. The rectangular guide block 622 penetrates the guide hole two 441 and can move along the guide hole two 441.
[0035] In the structure, the encoder carrier plate 11 is a rectangular flat plate, a circular through hole 111 is arranged at the center of the encoder carrier plate 11 opposite to the rotating power source 2, a circular groove 112 is arranged at the upper end of the circular through hole 111, the lower end of the encoder to be tested is arranged in the circular groove 112, and the rotating shaft of the encoder to be tested penetrates through the circular through hole 111 and is connected with the rotating power source 2.
[0036] In the structure, the output end of the rotating power source 2 is connected with a shaft coupling 21, the rotating shaft of the encoder to be tested is connected with the output end of the rotating power source 2 through the shaft coupling 21, a U-shaped switch 12 is arranged on the test support base 1, an inductive sheet 211 is arranged on the shaft coupling 21, and the U-shaped switch 12 is used for inducting the rotating number of the inductive sheet 211.
[0037] The working principle of the concentric quick clamping test device is as follows:
[0038] 1. The encoder to be tested is placed on the encoder test carrier plate, the lower end of the encoder to be tested is arranged in the circular groove 112, the rotating rod of the encoder to be tested penetrates through the circular through hole 111, and the encoder to be tested is kept vertical downward and naturally stressed.
[0039] 2. Then the rotating rod of the encoder to be tested and the servo motor are fixed through the shaft coupling 21, and the encoder to be tested and the shaft coupling 21 are locked through screws.
[0040] 2. The clamping power source 3 is started, the air inlet of the clamping power source 3 is ventilated, the two symmetrically arranged clamping arms 4 are close to the encoder to be tested, and the encoder to be tested is prevented from loosening when the servo motor rotates at high speed.
[0041] 3. The servo motor is started, the servo motor starts to rotate at high speed, the rotating speed is 3000 RPM, the servo motor drives the encoder to be tested to rotate at the same speed of 3000 RPM, at this time, the encoder to be tested starts the function test, and the servo motor stops rotating after the test is completed.
[0042] 4. The clamping power source 3 is started, the two symmetrically arranged clamping arms 4 are loosened, and the tested encoder can be conveniently taken out at this time.
[0043] Obviously, the above embodiment is only an example for clearly illustrating, and is not a limitation to the embodiment. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not enumerated, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.
Claims
1. A concentric snap-on test device, characterized in that The utility model provides a kind of encoder test device, including: Test support seat, which is provided with an encoder carrier plate, and the encoder carrier plate is provided with an encoder to be tested; A rotary power source is installed on the test support seat, the output end of the rotary power source is connected with the rotating shaft of the encoder to be tested, and the rotary power source is used to drive the rotating shaft of the encoder to be tested to rotate; A clamping power source is installed on the test support seat, the output end of the clamping power source is connected with two symmetrical clamping arms, the opposite surface of the clamping arms is connected with a clamping jaw, and the clamping power source drives the two clamping jaws to clamp the encoder to be tested.
2. The concentric snap-on test device of claim 1, wherein: A buffer assembly is provided between the clamping jaw and the clamping arm, and the buffer assembly is used to buffer the clamping force between the clamping jaw and the encoder to be tested.
3. The concentric snap-on test device of claim 2, wherein: The buffer assembly includes a spring, a moving block one and a moving block two, the clamping arm is provided with a guide groove one and a guide groove two, the guide groove one and the guide groove two are communicated in an "L" shape, the spring and the moving block one are arranged in the guide groove one, one end of the moving block two is arranged in the guide groove two, one end of the spring abuts against the inner wall of the guide groove one, the other end of the spring abuts against the moving block one, one end of the moving block two is in contact with the moving block one, and the other end of the moving block two extends out of the guide groove two and is fixedly connected with the clamping jaw.
4. The concentric snap-on test device of claim 3, wherein: The moving block one is provided with an inclined surface one near one end of the moving block two, the opposite side surface of the moving block two is provided with a slot, one side of the inner wall of the slot is provided with an inclined surface two, and the inclined surface one is in contact with the inclined surface two.
5. The concentric snap-on test device of claim 1, wherein: The material of the clamping jaw is POM.
6. The concentric snap-on test device of claim 1, wherein: The opposite side surface of the clamping jaw and the clamping arm is provided with a guide column, the opposite end surface of the clamping arm and the clamping jaw is provided with a guide hole one, the guide column is arranged in the guide hole one, and the guide column can slide in the guide hole one.
7. The concentric snap-on test device of claim 3, wherein: The upper end surface of the clamping arm is provided with a cover plate, the cover plate covers the guide groove one and the guide groove two, the moving block one is provided with a rectangular guide block, the cover plate is provided with a guide hole two, the rectangular guide block penetrates through the guide hole two, and the rectangular guide block can move along the guide hole two.
8. The concentric snap-on test device of claim 1, wherein: The opposite surface of the clamping jaw is provided with an inwardly recessed arc-shaped groove, and the encoder to be tested is in contact with the inner wall of the arc-shaped groove.
9. The concentric snap-on test device of claim 1, wherein: The encoder carrier plate is a rectangular flat plate, a circular through hole is provided at the opposite center position of the encoder carrier plate and the rotary power source, a circular groove is formed at the upper end of the circular through hole, the lower end of the encoder to be tested is arranged in the circular groove, and the rotating shaft of the encoder to be tested penetrates through the circular through hole and is connected with the rotary power source.
10. The concentric snap-on test device of claim 1, wherein: The rotary power source is a motor, and the clamping power source is a clamping cylinder.