Performance testing equipment for 3D printing shoe midsole

Through the combination of three-axis moving mechanism and detection mechanism, the problem that traditional equipment cannot meet the multi-point detection of 3D-printed shoes midsoles is solved, and all-round inspection and quick fixture replacement are achieved to adapt to the performance testing of multiple shoes.

CN223169256UActive Publication Date: 2025-08-01SHANGHAI LIMI INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422391879.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-08-01
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

Traditional performance testing equipment cannot meet the multi-point detection needs of 3D-printed shoe midsoles, and is not suitable for a variety of styles of 3D-printed shoe midsoles.

Method used

The three-axis moving mechanism is adopted, combined with the fixture and the detection mechanism, and the full range of inspection of the midsole of the 3D printed shoe is realized. The fixture is quickly replaced by the quick change fixture base and locking part. The detection mechanism feedbacks the performance of the midsole of the shoe through the probe assembly and sensor.

Benefits of technology

It realizes all-round inspection of the midsole of 3D printed shoes, has a wide range of applications, flexible detection position, and can quickly replace the fixtures and inspection heads to adapt to different styles of shoes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a 3D printing shoe midsole performance test equipment, which comprises a cabinet body, a moving mechanism, a clamp, a detection mechanism and an industrial personal computer, a fixed platform is horizontally installed in the cabinet body, the moving mechanism comprises an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism, the clamp is installed at the moving end of the Y-axis moving mechanism, and the detection mechanism is installed at the moving end of the Z-axis moving mechanism. The detection mechanism is installed at the moving end of the Z-axis moving mechanism so as to move in the height direction of the X axis and the height direction of the Z axis to conduct omnibearing detection on the 3D printing shoe midsole in the clamping area of the clamp moving along the Y axis. The technical problem that single-point detection of traditional performance testing equipment cannot meet the testing requirement of the 3D printing insole is solved.
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Description

Technical Field

[0001] The utility model relates to the field of sole manufacturing and detection, and more specifically to a performance testing device for 3D printed shoe midsoles. Background Art

[0002] In the prior art, the performance of the sole needs to be tested after it is manufactured.

[0003] Generally, the sole is usually made by injection molding or foaming process, with a single material and a dense interior. Measuring a single point can often test its performance.

[0004] However, the support structure of the 3D printed shoe midsole is complex, and different support methods are designed for different positions on the sole. The traditional performance testing equipment does not meet the testing requirements of the 3D printed shoe midsole.

[0005] Therefore, how to provide a new performance testing device for 3D printed shoe midsoles that can automatically detect multiple points on the upper surface of the 3D printed shoe midsole and is also applicable to various styles of 3D printed shoe midsoles is an urgent problem to be solved by those skilled in the art. Summary of the Utility Model

[0006] In view of this, the utility model provides a performance testing device for 3D printed shoe midsoles, aiming to solve the technical problem that the single-point detection of the traditional performance testing device cannot meet the testing requirements of the 3D printed shoe midsole.

[0007] In order to achieve the above object, the utility model adopts the following technical solutions:

[0008] A performance testing device for 3D printed shoe midsoles, comprising:

[0009] A cabinet body, in which a fixed platform is horizontally installed. The two ends of the fixed platform corresponding to the toe and heel directions of the 3D printed shoe midsole are the front end and the rear end;

[0010] A moving mechanism, which includes an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism. The X-axis moving mechanism is installed on the upper surface of the fixed platform through a support frame and its moving end moves in the front-rear direction; the Y-axis moving mechanism is installed on the upper surface of the fixed platform and its moving end is located below the moving end of the X-axis moving mechanism and moves laterally; the Z-axis moving mechanism is installed on the moving end of the X-axis moving mechanism and above the Y-axis moving mechanism, and its moving end moves in the height direction;

[0011] A fixture, which is installed on the moving end of the Y-axis moving mechanism;

[0012] A detection mechanism, which is installed on the mobile end of the Z-axis moving mechanism to move along the X-axis and the height direction of the Z-axis for a comprehensive detection of the 3D printed shoe midsole in the clamping area of the fixture moving along the Y-axis;

[0013] An industrial control computer, which is arranged below the fixed platform, and the industrial control computer is electrically connected to the detection mechanism, the X-axis moving mechanism, the Y-axis moving mechanism and the Z-axis moving mechanism.

[0014] Through the above technical solutions, the utility model solves the technical problem that the single-point detection of the traditional performance testing equipment does not meet the testing requirements of the 3D printed shoe midsole by means of a testing device with three axes. The installation of the detection mechanism on the mobile end of the Z-axis moving mechanism realizes the lifting of the detection mechanism in the height direction. In cooperation with the installation of the Z-axis moving mechanism on the mobile end of the X-axis moving mechanism, and combined with the installation of the fixture on the mobile end of the Y-axis moving mechanism, the technical effect of comprehensive detection of the upper surface of the 3D printed shoe midsole is achieved, and it has the characteristics of flexible detection position and wide application range.

[0015] Preferably, it further includes a quick-change fixture base, and the quick-change fixture base includes a mounting base plate, a positioning pin and a locking part; the fixture includes a fixture mounting plate and a fixture body, and a pin hole is provided on the fixture mounting plate; the upper surface of the mounting base plate is parallel and attached to the lower surface of the fixture mounting plate, and its lower end surface is fastened to the mobile end of the Y-axis moving mechanism;

[0016] The lower end of the positioning pin is fastened to the mounting base plate, and its upper end can be inserted into the pin hole for positioning; the locking part is installed on the upper surface of the mounting base plate, and its locking surface is correspondingly arranged with the upper surface of the fixture mounting plate to lock the fixture mounting plate.

[0017] Preferably, the locking part includes a fixed shaft and a rotating locking block. The fixed shaft is arranged corresponding to the outer peripheral side of the fixture mounting plate and its lower end is fastened to the mounting base plate; the rotation center of the rotating locking block is rotatably connected to the upper end of the fixed shaft, and the side wall surface of the rotating locking block is composed of a superior arc side wall surface and a straight line side wall surface so that it can rotate to quickly lock or disassemble the fixture mounting plate.

[0018] Preferably, the Z-axis moving mechanism includes a rotating Z-axis base, a guide rail, a slider, a fixing plate, and a Z-axis driving mechanism. The rotating Z-axis base is fixedly connected to the moving end of the X-axis moving mechanism. The guide rail is fixedly connected to the rotating Z-axis base and arranged in the height direction. The slider is slidably connected to the guide rail. The plate surface of the fixing plate is arranged parallel to the X-axis direction, and one side plate surface is fixedly connected to the slider. The detection mechanism is installed on the other side plate surface of the fixing plate. The fixed end of the Z-axis driving mechanism is installed on the rotating Z-axis base, and its driving end is fixedly connected to the fixing plate to drive the fixing plate to move along the guide rail. The Z-axis driving mechanism is electrically connected to the industrial control machine in a signal manner.

[0019] Preferably, the detection mechanism includes a probe assembly, a pressure sensor, a displacement sensor, and a displacement feedback plate. The probe assembly is slidably connected to the fixing plate in the height direction. The pressure sensor is installed on the fixing plate. The detection end of the pressure sensor is fixedly connected to the sliding end of the probe assembly to contact the upper surface of the 3D printed shoe midsole, and is electrically connected to the industrial control machine in a signal manner to feedback the rebound force of the upper surface of the 3D printed shoe midsole. The displacement sensor is fixedly connected to the rotating Z-axis base. The displacement feedback plate is fixedly connected to the probe assembly. The displacement sensor senses the position of the displacement feedback plate and is electrically connected to the industrial control machine in a signal manner to feedback the distance between the probe assembly and the fixture.

[0020] Preferably, the probe assembly includes a linear bearing seat, a transmission shaft, a quick-change shaft head seat, and a test press head. The linear bearing seat is fixedly connected to the fixing plate. The transmission shaft is slidably connected to the linear bearing seat in the height direction, and its lower end surface is fixedly connected to the quick-change shaft head seat.

[0021] The displacement feedback plate is horizontally arranged, and its upper surface has a detection end connection area and a feedback area. The detection end of the pressure sensor is fixedly connected to the detection end connection area. The displacement sensor senses the position of the feedback area. The lower surface of the displacement feedback plate is fixedly connected to the upper end surface of the transmission shaft. The test press head is detachably connected to the quick-change shaft head seat.

[0022] Preferably, it further includes a stroke limit component. The stroke limit component includes a groove-shaped photoelectric sensor and a groove-shaped photoelectric detection plate. A plurality of the groove-shaped photoelectric sensors are fixedly connected to the rotating Z-axis base in the height direction. The groove-shaped photoelectric detection plate is fixedly connected to the fixing plate. The groove-shaped photoelectric sensor senses the position of the groove-shaped photoelectric detection plate and is electrically connected to the industrial control machine in a signal manner to limit the test press head within the safe stroke of the Z-axis driving mechanism.

[0023] Preferably, the number of the groove-shaped photoelectric sensors is [number], corresponding to the upper limit, lower limit, and origin positions of the test press head respectively.

[0024] Preferably, it further includes a three-color lamp, which is electrically connected to the industrial control machine to display the operating state of the device.

[0025] Preferably, it further includes a display, which is rotatably connected to the column of the cabinet body, and the display is electrically connected to the industrial control machine to display the test force values of the displacement sensor and the pressure sensor.

[0026] As can be seen from the above technical solutions, compared with the prior art, the present utility model discloses a 3D printing shoe insole performance testing device, which has the following beneficial effects:

[0027] 1. The moving mechanism is a three-axis moving mechanism, and the detection mechanism is installed at the moving end of the Z-axis moving mechanism to move in the height directions of the X-axis and the Z-axis to perform a full range of detections on the 3D printing shoe insole in the clamping area of the fixture moving along the Y-axis;

[0028] 2. The fixture is installed at the moving end of the Y-axis moving mechanism through a quick-change fixture base. The quick-change fixture base includes a positioning pin for quickly positioning the fixture, and also includes a locking part that can quickly lock or disassemble the fixture by rotating its locking block, and can quickly replace the corresponding fixture according to different styles of shoes;

[0029] 3. The pressure sensor uses a probe assembly to detect the upper surface of the 3D printing shoe insole, and the test pressure head is replaceable, and different test pressure heads can be replaced according to different styles of shoes or detection requirements;

[0030] 4. The displacement sensor and the stroke limit assembly simultaneously monitor the stroke of the fixing plate, that is, the test pressure head. While ensuring the accuracy of the data, it also ensures that the test pressure head is within the safe stroke of the Z-axis driving mechanism, thereby ensuring the safety of the device operation.

[0031] 5. The side wall surface of the rotary locking block is composed of a superior arc section side wall surface and a straight section side wall surface. By simple rotation, the superior arc section side wall surface can be rotated to the side of the fixture mounting plate, and its lower end surface will lock it, and the operation is simple and fast. Description of the Drawings

[0032] Figure 1 It is a three-dimensional schematic diagram of a 3D printing shoe insole performance testing device provided by the present utility model;

[0033] Figure 2 It is an assembly schematic diagram of the fixed platform, X-axis moving mechanism, Y-axis moving mechanism, Z-axis moving mechanism, detection mechanism, quick-change fixture base and fixture provided by the present utility model;

[0034] Figure 3Assembly schematic diagram of the fixed platform, Y-axis moving mechanism, quick-change fixture base and fixture provided by the present utility model;

[0035] Figure 4 For Figure 3 explosion schematic diagram;

[0036] Figure 5 Stereoscopic schematic diagram of the quick-change fixture base provided by the present utility model;

[0037] Figure 6 Stereoscopic schematic diagram of the locking part provided by the present utility model;

[0038] Figure 7 Front view of the locking part provided by the present utility model;

[0039] Figure 8 Assembly schematic diagram of the Z-axis moving mechanism and the detection mechanism provided by the present utility model.

[0040] Wherein:

[0041] 1 - Cabinet; 2 - Moving mechanism; 3 - Fixture; 4 - Detection mechanism; 5 - Industrial control computer; 6 - Quick-change fixture base; 7 - Three-color lamp; 8 - Display; 11 - Fixed platform; 21 - X-axis moving mechanism; 22 - Y-axis moving mechanism; 23 - Z-axis moving mechanism; 31 - Fixture mounting plate; 41 - Probe assembly; 42 - Pressure sensor; 43 - Displacement sensor; 44 - Displacement feedback plate; 61 - Mounting base plate; 62 - Positioning pin; 63 - Locking part; 64 - Quick-insert module; 91 - Safety grating; 92 - Two-hand start button; 231 - Z-axis base; 232 - Fixed plate; 233 - Z-axis drive mechanism; 411 - Linear bearing seat; 412 - Transmission shaft; 413 - Quick-change shaft head seat; 414 - Test indenter; 415 - Quick-insert pin; 451 - Groove type photoelectric sensor; 452 - Groove type photoelectric detection plate; 631 - Fixed shaft; 632 - Rotating locking block. Specific embodiments

[0042] The principles and features of the present utility model will be described below with reference to the accompanying drawings. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model.

[0043] See attached Figure 1-8 , The embodiment of the present utility model discloses a 3D printing insole performance testing device, including: cabinet 1, moving mechanism, fixture 3, detection mechanism 4 and industrial control computer 5;

[0044] A fixed platform 11 is horizontally installed in the cabinet 1. The two ends of the fixed platform 11 corresponding to the toe and heel directions of the 3D printing insole are the front end and the rear end;

[0045] The moving mechanism includes an X-axis moving mechanism 21, a Y-axis moving mechanism 22, and a Z-axis moving mechanism 23. The X-axis moving mechanism 21 is installed on the upper surface of the fixed platform 11 through a support frame, and its moving end moves in the front-rear direction; the Y-axis moving mechanism 22 is installed on the upper surface of the fixed platform 11, and its moving end is located below the moving end of the X-axis moving mechanism 21 and moves laterally; the Z-axis moving mechanism 23 is installed on the moving end of the X-axis moving mechanism 21 and above the Y-axis moving mechanism 22, and its moving end moves in the height direction;

[0046] The fixture 3 is installed on the moving end of the Y-axis moving mechanism 22;

[0047] The detection mechanism 4 is installed on the moving end of the Z-axis moving mechanism 23 to move in the X-axis and Z-axis height directions to perform a full-range detection on the 3D printed shoe midsole in the clamping area of the fixture 3 moving along the Y-axis;

[0048] The industrial control computer 5 is arranged below the fixed platform 11, and the industrial control computer 5 is electrically connected to the detection mechanism 4, the X-axis moving mechanism 21, the Y-axis moving mechanism 22, and the Z-axis moving mechanism 23.

[0049] To further optimize the above technical solution, it further includes a quick-change fixture base 6. The quick-change fixture base 6 includes a mounting base plate 61, a positioning pin 62, and a locking portion 63; the fixture 3 includes a fixture mounting plate 31 and a fixture body, and a pin hole is provided on the fixture mounting plate 31; the upper surface of the mounting base plate 61 is parallel and attached to the lower surface of the fixture mounting plate 31, and its lower end surface is fastened to the moving end of the Y-axis moving mechanism 22;

[0050] The lower end of the positioning pin 62 is fastened to the mounting base plate 61, and its upper end can be inserted and positioned with the pin hole; the locking portion 63 is installed on the upper surface of the mounting base plate 61, and its locking surface is correspondingly arranged with the upper surface of the fixture mounting plate 31 to lock the fixture mounting plate 31.

[0051] Specifically, it further includes a connector quick-insert module 64. The connector quick-insert module 64 includes a plug port and a socket port. The plug port integrates the interfaces of the air circuit and the circuit of the fixture 3, and the socket port is installed on the mounting base plate 61 and correspondingly arranged with the interfaces of the plug port to perform a quick change on the air circuit and the circuit of the fixture 3. Thus, the air circuit and the circuit of the fixture are centrally processed, and a quick change of the air circuit and the circuit can be realized while replacing the fixture to be applicable to the fixture with a self-powered control structure.

[0052] In order to further optimize the above technical solution, the locking part 63 includes a fixed shaft 631 and a rotary locking block 632. The fixed shaft 631 is arranged on the outer peripheral side of the fixture mounting plate 31 and the lower end is fastened to the mounting base plate 61; the rotation center of the rotary locking block 632 is rotatably connected to the upper end of the fixed shaft 631, and the side wall surface of the rotary locking block 632 is composed of a superior arc segment side wall surface and a straight line segment side wall surface so that it can be rotated to quickly lock or disassemble the fixture mounting plate 31.

[0053] Specifically, the side wall surface of the major arc segment is rotated to one side of the fixture mounting plate 11, and its lower end surface is locked, and the side wall surface of the straight segment is rotated to one side of the fixture mounting plate 11, and the fixture mounting plate 11 is quickly disassembled.

[0054] Specifically, the lower end surface corresponding to the side wall surface of the superior arc segment is arranged at an angle to the horizontal plane, and its lowest point is located at the position where the lower end surface is farthest from the side wall surface of the straight segment, and the distance between the lower end surface and the mounting base plate 61 is less than the thickness of the fixture mounting plate 31. Therefore, the rotating locking block 632 gradually presses its upper surface during the process of locking the fixture mounting plate 11.

[0055] More specifically, there are two locking portions 63 , which are located on both sides of the fixture mounting plate 31 along the X-axis direction. Thus, the locking of the fixture mounting plate 31 is more stable.

[0056] In order to further optimize the above technical solution, the Z-axis moving mechanism 23 includes a rotating Z-axis base 231, a guide rail, a slider, a fixed plate 232 and a Z-axis driving mechanism 233. The rotating Z-axis base 231 is fastened to the moving end of the X-axis moving mechanism 21, the guide rail is fastened to the rotating Z-axis base 231 and arranged along the height direction, the slider is slidably connected to the guide rail, the plate surface of the fixed plate 232 is arranged parallel to the X-axis direction and one side of the plate surface is fastened to the slider; the detection mechanism 4 is installed on the other side plate surface of the fixed plate 232, the fixed end of the Z-axis driving mechanism 233 is installed on the rotating Z-axis base 231, and its driving end is fastened to the fixed plate 232 to drive the fixed plate 232 to move along the guide rail, and the Z-axis driving mechanism 233 is electrically connected to the industrial computer 5.

[0057] Specifically, the Z-axis drive structure includes a Z-axis servo motor, a lead screw and a lead screw nut seat. The Z-axis servo motor is tightly connected to the Z-axis base 231. The lead screw is rotatably connected to the Z-axis base 231 along the Z-axis direction, and one end of the lead screw is transmission-connected to the power output end of the Z-axis servo motor. The lead screw nut seat is spirally connected to the lead screw and tightly connected to the fixed plate 232. Thus, the rotation of the Z-axis servo motor drives the lead screw to rotate, and then drives the fixed plate 232 tightly connected to the lead screw nut seat to move along the guide rail.

[0058] To further optimize the above technical solution, the detection mechanism 4 includes a probe assembly 41, a pressure sensor 42, a displacement sensor 43, and a displacement feedback plate 44. The probe assembly 41 is slidably connected to the fixing plate 232 in the height direction. The pressure sensor 42 is installed on the fixing plate 232. The detection end of the pressure sensor 42 is fixedly connected to the sliding end of the probe assembly 41 to contact the upper surface of the 3D printed shoe midsole, and is electrically connected to the industrial control computer 5 to feedback the resilience of the upper surface of the 3D printed shoe midsole. The displacement sensor 43 is fixedly connected to the rotary Z-axis base 231, the displacement feedback plate 44 is fixedly connected to the probe assembly 41, the displacement sensor 43 senses the position of the displacement feedback plate 44, and is electrically connected to the industrial control computer 5 to feedback the distance between the probe assembly 41 and the fixture 3.

[0059] To further optimize the above technical solution, the probe assembly 41 includes a linear bearing seat 411, a transmission shaft 412, a quick-change shaft head seat 413, and a test indenter 414. The linear bearing seat 411 is fixedly connected to the fixing plate 232. The transmission shaft 412 is slidably connected to the linear bearing seat 411 in the height direction, and its lower end surface is fixedly connected to the quick-change shaft head seat 413.

[0060] The displacement feedback plate 44 is horizontally arranged and has a detection end connection area and a feedback area on its upper surface. The detection end of the pressure sensor 42 is fixedly connected to the detection end connection area. The displacement sensor 43 senses the position of the feedback area. The lower surface of the displacement feedback plate 44 is fixedly connected to the upper end surface of the transmission shaft 412. The test indenter 414 is detachably connected to the quick-change shaft head seat 413.

[0061] Specifically, it further includes a quick plug pin 415. The quick-change shaft head seat 413 is cylindrical and coaxially arranged with the transmission shaft 412. One end of the quick-change shaft head seat 413 is fixedly connected to the transmission shaft 412, and a positioning hole is opened along its axial direction at the other end. A pin hole one is opened in the radial direction of the quick-change shaft head seat 413. The test indenter 414 is cylindrical, and a cylindrical boss corresponding to the positioning hole is provided on the side facing the quick-change shaft head seat 413 and can be inserted and positioned with the positioning hole. A pin hole two is opened in the radial direction of the cylindrical boss. The quick plug pin 415 passes through the pin hole one and the pin hole two to fasten the test indenter 414 to the quick-change shaft head seat 413. Thus, the test indenter 414 can be quickly replaced by the quick plug pin 415.

[0062] To further optimize the above technical solution, it further includes a stroke limit assembly 45. The stroke limit assembly 45 includes a groove-shaped photoelectric sensor 451 and a groove-shaped photoelectric detection plate 452. A plurality of groove-shaped photoelectric sensors 451 are fixedly connected to the rotary Z-axis base 231 in the height direction. The groove-shaped photoelectric detection plate 452 is fixedly connected to the fixing plate 232. The groove-shaped photoelectric sensor 451 senses the position of the groove-shaped photoelectric detection plate 452, and is electrically connected to the industrial control computer 5 to limit the safe stroke of the test indenter 414 within the Z-axis drive mechanism 233.

[0063] To further optimize the above technical solution, the number of groove-shaped photoelectric sensors 451 is three, corresponding to the upper limit, lower limit and origin positions of the test indenter 414 respectively.

[0064] To further optimize the above technical solution, it further includes a three-color lamp 7, and the three-color lamp 7 is electrically connected to the industrial control computer 5 to display the operating state of the device.

[0065] To further optimize the above technical solution, it further includes a display 8. The display 8 is rotatably connected to the column of the cabinet body 1, and the display 8 is electrically connected to the industrial control computer 5 to display the test force values of the displacement sensor 43 and the pressure sensor 42.

[0066] Specifically, it further includes a safety component. The safety component includes a safety grating 91 and a two-hand start button 92. The safety grating 91 is fixedly connected to the cabinet body 1 and is located on both sides of its operation window. The safety grating 91 senses the position of the operator and is electrically connected to the industrial control computer 5 to protect the safety of the operator. The two-hand start button 92 is fixedly connected to the cabinet body 1 and is located on both sides of its operation window to ensure that the operator's hands are outside the cabinet body during the startup process of the device. Thus, the safety of the operator is further guaranteed.

[0067] The specific principle and usage method of the 3D printing shoe midsole performance testing device provided in this embodiment are as follows:

[0068] 1. The fixture 3 is placed on the upper surface of the mounting base plate 61. The pin holes of the fixture 3 are placed corresponding to the positioning pins 62. Rotate the rotary locking block 632, and the side wall surface of the major arc section rotates to one side of the fixture mounting plate 11, and its lower end surface locks it. The plug port and the socket port are firmly docked.

[0069] 2. The 3D printing shoe midsole is placed on the fixture 3 and fixed firmly.

[0070] 3. The operator withdraws the limb parts from the cabinet body 1, presses the two-hand start button 92 with both hands, the three-color lamp 7 displays the operating state, and the 3D printing shoe midsole performance testing device automatically detects the performance of the 3D printing shoe midsole.

[0071] 4. The Y-axis moving mechanism 22 and the X-axis moving mechanism 21 adjust the relative position of the test indenter 414 on the horizontal plane of the 3D printed shoe midsole. After reaching the specified detection position, the Z-axis servo motor drives the test indenter 414 to descend. The displacement sensor 43 senses the height position of the test indenter 414 through the feedback area on the displacement feedback plate 44. After reaching the specified height, the displacement sensor 43 feeds back to the industrial control computer 5, and the industrial control computer 5 controls the Z-axis servo motor to stop descending. The test indenter 414 transmits the rebound force on the upper surface of the 3D printed shoe midsole to the pressure sensor 42, and the pressure sensor 42 feeds back to the industrial control computer 5 for recording and transmits it to the display 8 for display;

[0072] 5. Detect other detection positions.

[0073] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A performance testing device for 3D printed shoe midsoles, characterized in that, Comprising: A cabinet body (1), within which a fixed platform (11) is horizontally installed. The two ends of the fixed platform (11) corresponding to the toe and heel directions of the 3D printed shoe midsole are the front end and the rear end. A moving mechanism, which includes an X-axis moving mechanism (21), a Y-axis moving mechanism (22), and a Z-axis moving mechanism (23). The X-axis moving mechanism (21) is installed on the upper surface of the fixed platform (11) through a support frame, and its moving end moves in the front-rear direction; the Y-axis moving mechanism (22) is installed on the upper surface of the fixed platform (11), and its moving end is located below the moving end of the X-axis moving mechanism (21) and moves laterally; the Z-axis moving mechanism (23) is installed on the moving end of the X-axis moving mechanism (21) and is located above the Y-axis moving mechanism (22), and its moving end moves in the height direction. A fixture (3), which is installed on the moving end of the Y-axis moving mechanism (22). A detection mechanism (4), which is installed on the moving end of the Z-axis moving mechanism (23) to move in the X-axis and Z-axis height directions to perform a full-range detection on the 3D printed shoe midsole in the clamping area of the fixture (3) moving along the Y-axis. An industrial control computer (5), which is arranged below the fixed platform (11). The industrial control computer (5) is electrically connected to the detection mechanism (4), the X-axis moving mechanism (21), the Y-axis moving mechanism (22), and the Z-axis moving mechanism (23).

2. The 3D printing shoe midsole performance testing device according to claim 1, characterized in that, It further includes a quick-change fixture base (6), which includes a mounting base plate (61), a positioning pin (62), and a locking part (63); the fixture (3) includes a fixture mounting plate (31) and a fixture body. The fixture mounting plate (31) is provided with a pin hole; the upper surface of the mounting base plate (61) is parallel and adhered to the lower surface of the fixture mounting plate (31), and its lower end surface is fastened to the moving end of the Y-axis moving mechanism (22). The lower end of the positioning pin (62) is fastened to the mounting base plate (61), and its upper end can be inserted and positioned with the pin hole; the locking part (63) is installed on the upper surface of the mounting base plate (61), and its locking surface is correspondingly arranged with the upper surface of the fixture mounting plate (31) to lock the fixture mounting plate (31).

3. The 3D printing shoe midsole performance testing device according to claim 2, wherein The locking part (63) includes a fixed shaft (631) and a rotating locking block (632). The fixed shaft (631) is arranged corresponding to the outer peripheral side of the fixture mounting plate (31) and its lower end is fixedly connected to the mounting base plate (61); the rotation center of the rotating locking block (632) is rotationally connected to the upper end of the fixed shaft (631). The side wall surface of the rotating locking block (632) is composed of a superior arc side wall surface and a straight-line side wall surface so that it can rotate to quickly lock or disassemble the fixture mounting plate (31).

4. The 3D printing shoe midsole performance testing device according to claim 1, characterized in that, The Z-axis moving mechanism (23) includes a rotating Z-axis base (231), a guide rail, a slider, a fixing plate (232), and a Z-axis driving mechanism (233). The rotating Z-axis base (231) is fixedly connected to the moving end of the X-axis moving mechanism (21). The guide rail is fixedly connected to the rotating Z-axis base (231) and is arranged in the height direction. The slider is slidably connected to the guide rail. The plate surface of the fixing plate (232) is arranged parallel to the X-axis direction, and one side plate surface is fixedly connected to the slider. The detection mechanism (4) is installed on the other side plate surface of the fixing plate (232). The fixed end of the Z-axis driving mechanism (233) is installed on the rotating Z-axis base (231), and its driving end is fixedly connected to the fixing plate (232) to drive the fixing plate (232) to move along the guide rail. The Z-axis driving mechanism (233) is electrically connected to the industrial control computer (5).

5. The 3D printing shoe midsole performance testing device according to claim 4, characterized in that, The detection mechanism (4) includes a probe assembly (41), a pressure sensor (42), a displacement sensor (43), and a displacement feedback plate (44). The probe assembly (41) is slidably connected to the fixing plate (232) in the height direction. The pressure sensor (42) is installed on the fixing plate (232). The detection end of the pressure sensor (42) is fixedly connected to the sliding end of the probe assembly (41) to contact the upper surface of the 3D printed shoe midsole, and is electrically connected to the industrial control computer (5) to feedback the rebound force of the upper surface of the 3D printed shoe midsole. The displacement sensor (43) is fixedly connected to the rotating Z-axis base (231). The displacement feedback plate (44) is fixedly connected to the probe assembly (41). The displacement sensor (43) senses the position of the displacement feedback plate (44) and is electrically connected to the industrial control computer (5) to feedback the distance between the probe assembly (41) and the fixture (3).

6. The 3D printing shoe midsole performance testing device according to claim 5, characterized in that, The probe assembly (41) includes a linear bearing seat (411), a transmission shaft (412), a quick-change shaft head seat (413), and a test indenter (414). The linear bearing seat (411) is fixedly connected to the fixing plate (232). The transmission shaft (412) is slidably connected to the linear bearing seat (411) in the height direction, and its lower end surface is fixedly connected to the quick-change shaft head seat (413). The displacement feedback plate (44) is horizontally arranged, and its upper surface has a detection end connection area and a feedback area. The detection end of the pressure sensor (42) is fixedly connected to the detection end connection area. The displacement sensor (43) senses the position of the feedback area. The lower surface of the displacement feedback plate (44) is fixedly connected to the upper end surface of the transmission shaft (412). The test indenter (414) is detachably connected to the quick-change shaft head seat (413).

7. The 3D printing shoe midsole performance testing device according to claim 6, wherein, It further includes a stroke limit component (45). The stroke limit component (45) includes a grooved photoelectric sensor (451) and a grooved photoelectric detection plate (452). A plurality of the grooved photoelectric sensors (451) are fixedly connected to the Z-axis base (231) along the height direction. The grooved photoelectric detection plate (452) is fixedly connected to the fixed plate (232). The grooved photoelectric sensor (451) senses the position of the grooved photoelectric detection plate (452) and is electrically connected to the industrial control computer (5) to limit the safety stroke of the test indenter (414) within the Z-axis drive mechanism (233).

8. The 3D printing shoe midsole performance testing device according to claim 7, characterized in that, The number of the grooved photoelectric sensors (451) is three, corresponding to the upper limit, lower limit and origin positions of the test indenter (414) respectively.

9. The 3D printing shoe midsole performance testing device according to claim 1, characterized in that, It further includes a three-color lamp (7). The three-color lamp (7) is electrically connected to the industrial control computer (5) to display the operating state of the device.

10. The 3D printing shoe midsole performance testing device according to claim 1, characterized in that, It further includes a display (8). The display (8) is rotatably connected to the column of the cabinet body (1). The display (8) is electrically connected to the industrial control computer (5) to display the test force values of the displacement sensor (43) and the pressure sensor (42).