Hardness measuring device for mechanical workpiece

By designing the hardness measurement device for mechanical workpieces, using the material ring, transport slide and motor drive structure, solve the problem of tedious detection steps in existing technologies and not suitable for mass detection, and realize the rapid topic of magnetic cores. Materials and testing improve the detection efficiency.

CN119354777AActive Publication Date: 2025-01-24XINTAI JINXIN MACHINERY EQUIPMENT MANUFACTURING CO LTD
View PDF 8 Cites 0 Cited by

Patent Information

Application Number
CN202411647368.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-05-10
Filing Date
2024-11-18
Publication Date
2025-01-24
Estimated Expiration
2044-11-18

AI Technical Summary

Technical Problem

The prior art has cumbersome steps in the detection process of manganese-zeb ferrite magnetic cores, which is suitable for spot checks but not for large-scale inspections, making it difficult to meet the needs of large-scale production.

Method used

A hardness measuring device for mechanical workpieces is designed, which realizes rapid loading and testing of magnetic cores through the loading ring plate, transport slider and connecting structure. The motor and torsion spring are used to drive the loading ring plate and transport bar. Automatic clamping and detection of magnetic cores.

Benefits of technology

It realizes rapid loading and testing of magnetic cores, improves detection efficiency, and is suitable for mass production.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119354777A_ABST
    Figure CN119354777A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of magnetic core detection, in particular to a hardness measuring device for a mechanical workpiece, the side part of a mounting bottom box is fixedly connected with two connecting outer plates, the inner sides of the connecting outer plates are fixedly connected with transportation inner plates, and the inner sides of the two transportation inner plates are fixedly connected with transportation top blocks; a protection plate is arranged between the two transportation inner plates, the top of the protection plate is fixedly connected with a feeding frame, the inner sides of the two transportation top blocks are fixedly connected with transportation sliding strips, the top ends of the transportation sliding strips are fixedly connected with the protection plate, the bottom ends of the transportation sliding strips are fixedly connected with transportation inclined blocks, and the tops of the two transportation inner plates are fixedly connected with a transportation top plate. The feeding ring plate is matched with the conveying sliding strip and the connecting structure, feeding can be rapidly completed, a magnetic core can be clamped through the upper fixing plate and the lower fixing plate, most of the magnetic core is not wrapped, detection can be completed through the top and the bottom, rapid discharging can be achieved, circulation can be completed at the same time, and the detection efficiency can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of magnetic core detection, in particular to a hardness measuring device for mechanical workpieces. Background Art

[0002] A magnetic core refers to a sintered magnetic metal oxide composed of a mixture of various iron oxides. Manganese-zinc ferrite is a typical magnetic core material. Manganese-zinc ferrite cores can be used to make inductors, transformers, filter cores, magnetic heads, antenna rods, etc. In order to ensure the quality of the manganese-zinc ferrite cores, it is usually necessary to test the hardness of the manganese-zinc ferrite cores during the production process.

[0003] In the prior art, when testing manganese-zinc ferrite cores, multiple steps such as loading, fixing, testing, and unloading are required, and multiple devices or manipulators need to cooperate. The process is cumbersome and suitable for spot checks but not for large-scale testing or mass production. To this end, the present invention provides a hardness measuring device for mechanical workpieces. Summary of the invention

[0004] The object of the present invention is to provide a hardness measuring device for a mechanical workpiece to solve the problems raised in the above background technology.

[0005] The technical solution of the present invention is: a hardness measuring device for mechanical workpieces, comprising an installation bottom box, the side of the installation bottom box is fixedly connected with two connecting outer plates, the inner side of the connecting outer plate is fixedly connected with a transport inner plate, the inner sides of the two transport inner plates are fixedly connected with a transport top block, a protective plate is provided between the two transport inner plates, the top of the protective plate is fixedly connected with a feed frame, the inner sides of the two transport top blocks are fixedly connected with a transport slide bar, the top of the transport slide bar is fixedly connected with the protective plate, the bottom end of the transport slide bar is fixedly connected with a transport inclined block, the top of the two transport inner plates is fixedly connected with a transport top plate, one side of the transport top plate is fixedly connected with a transport fixing strip, the inner side of one end of the transport fixing strip is fixedly connected with a transport fixing column, the side of the transport fixing column is rotatably connected with a transport pressure strip, a first torsion spring is installed between the transport pressure strip and the first torsion spring, the top of the transport slide bar is slidably connected with a magnetic core, the top of the installation bottom box is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a driving swivel, the side of the driving swivel The top of the loading platform is fixedly connected to the loading platform, and the bottom of the loading platform is fixedly connected to the fixed top plate. Two mounting clamps are fixedly connected to one side of the fixed top plate. The inner side of the mounting clamp is fixedly connected to a feeding shaft. The side of the feeding shaft is rotatably connected to a feeding ring plate. The feeding ring plate is fitted with the fixed top plate and one corner of the fitting place of the feeding ring plate is a curved surface. The side of the feeding ring plate is fixedly connected to a spring mounting cylinder. A second torsion spring is installed on the inner side of the spring mounting cylinder. The second torsion spring is sleeved on the side of the feeding shaft. Protective outer blocks are fixedly connected to both sides of the upper plate, a first motor is fixedly connected to the top of the mounting bottom box, a detection shaft is fixedly connected to the output end of the first motor, a lower plate ring is fixedly connected to the side of the detection shaft, a lower plate connecting strip is fixedly connected to the bottom of the lower plate ring, a fixed lower plate is fixedly connected to the top of the lower plate connecting strip, an upper plate rotating ring is fixedly connected to the inner side of the upper plate connecting strip, the upper plate rotating ring is rotatably connected to the side of the detection shaft, and a slot having the same size as the magnetic core is provided between the fixed lower plate and the fixed upper plate;When in use: put the magnetic core in through the feed frame, slide it between the transport slide bar and the transport top plate until the transport bevel block hits it, then the second motor rotates to rotate the fixed upper plate toward the transport bevel block, when the feeding ring plate hits the magnetic core, the feeding ring plate rotates along the curved surface of one corner of the feeding ring plate to shrink the feeding ring plate, when the feeding ring plate crosses the magnetic core, the feeding ring plate is reset by twisting the second torsion spring, then the second motor reverses to hook the feeding ring plate to the magnetic core, because the other corner of the feeding ring plate is a right angle and fits the fixed upper plate, so that the feeding ring plate is fixed, the magnetic core is hooked out, and the transport pressure strip is pushed to rotate upward, after hooking out, the transport pressure strip is reset by twisting the first torsion spring, pressing the next magnetic core, and at the same time the magnetic core slides along the feeding ring plate to the top of the fixed upper plate, and at the same time the first motor starts to rotate the fixed lower plate to fit the fixed upper plate, so that the magnetic core is sandwiched between the fixed lower plate and the fixed upper plate, then the second motor and the first motor rotate synchronously to rotate the magnetic core to one side for detection. ;

[0006] Preferably, the two sides of the installation bottom box are fixedly connected with supporting side plates, the top inner sides of the supporting side plates are fixedly connected with supporting top plates, the bottom of the supporting top plates are fixedly connected with detecting oil cylinders, the bottom of the detecting oil cylinders are fixedly connected with detecting upper molds, the top of the installation bottom box is fixedly connected with detecting lower molds, one side of the installation bottom box is fixedly connected with a transport bottom plate, the two sides of the transport bottom plate are fixedly connected with transport bottom blocks, the other side of the transport bottom block is fixedly connected with the transport inner plate, and the top of the transport bottom plate is fixedly connected with a transport Push block, the top corner of the transport push block is a curved surface, and the spacing of the loading ring plate is the same as the width of the transport bottom plate; when in use: the detection upper mold is pushed by the detection cylinder, so that the detection upper mold and the detection lower mold are clamped at the bottom and top of the fixed lower plate and the fixed upper plate, and the middle magnetic core is detected. After completion, the fixed upper plate and the fixed lower plate are rotated to one side of the transport inclined block, and then the fixed upper plate continues to rotate, and the magnetic core is pushed out by the transport push block, so that the magnetic core slides along the transport bottom plate, and then rotates to hook the next magnetic core, and this is repeated to quickly detect the magnetic core.

[0007] The present invention provides a hardness measuring device for mechanical workpieces through improvement, which has the following improvements and advantages compared with the prior art: First: The hardness measuring device for mechanical workpieces described in the present invention, the magnetic core is put in through the feed frame, and slides between the transport slide bar and the transport top plate until the transport inclined block is against it, and then the second motor rotates to rotate the fixed upper plate toward the transport inclined block, and when the feeding ring plate hits the magnetic core, the feeding ring plate rotates along the curved surface of one corner of the feeding ring plate to shrink the feeding ring plate, and when the feeding ring plate crosses the magnetic core, the second torsion spring is twisted to reset the feeding ring plate, and then the second motor reverses to hook the feeding ring plate The magnetic core, because the other corner of the feeding ring plate is at a right angle and fits with the fixed upper plate, the feeding ring plate is fixed, the magnetic core is hooked out, and the transport pressure strip is pushed to rotate upward. After hooking out, the transport pressure strip is torsionally reset by the first torsion spring to press the next magnetic core. At the same time, the magnetic core slides along the feeding ring plate to the top of the fixed upper plate. At the same time, the first motor is started to rotate the fixed lower plate and fit with the fixed upper plate, so that the magnetic core is clamped between the fixed lower plate and the fixed upper plate. Then the second motor and the first motor rotate synchronously to rotate the magnetic core to one side for detection; Second, the hardness measuring device for mechanical workpieces of the present invention pushes the detection upper die through the detection oil cylinder, so that the detection upper die and the detection lower die are clamped at the bottom and top of the fixed lower plate and the fixed upper plate, and the magnetic core in the middle is detected. After completion, the fixed upper plate and the fixed lower plate are rotated to one side of the transport inclined block, and then the fixed upper plate continues to rotate, and the magnetic core is pushed out by the transport push block, so that the magnetic core slides along the transport bottom plate, and then rotates to hook the next magnetic core, and this is repeated to quickly detect the magnetic core; Summary: The hardness measuring device for mechanical workpieces described in the present invention can quickly complete loading through the loading ring plate, the transport slide bar and the connecting structure, and the magnetic core can be clamped by the fixed upper plate and the fixed lower plate. Most of the magnetic core is not wrapped, and the detection can be completed through the top and the bottom. The material can be unloaded quickly and the cycle can be completed at the same time, which can improve the efficiency of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments: Figure 1 It is a three-dimensional structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the installation bottom box structure of the present invention; Figure 3 It is a schematic diagram of the transport inner plate structure of the present invention; Figure 4 It is a schematic diagram of the transport slide structure of the present invention; Figure 5 It is a schematic diagram of the structure of the transport fixing strip of the present invention; Figure 6 It is a schematic diagram of the structure of the detection oil cylinder of the present invention; Figure 7 is a schematic diagram of the second motor structure of the present invention; Figure 8 It is a schematic diagram of the fixed upper plate structure of the present invention.

[0009] Description of reference numerals: 1. Install the bottom box; 2. Support the side panels; 3. Support the top panel; 4. Connect the outer panels; 5. Transport the inner panel; 6. Transport the bottom block; 7. Transport the bottom plate; 8. Transport the push block; 9. Transport the top block; 10. Transport the slide bar; 11. Feed frame; 12. Transport the top plate; 13. Transport the inclined block; 14. Magnetic core; 15. Transport the fixing strip; 16. Transport the fixing column; 17. The first torsion spring; 18. Transport the pressure strip; 19. Detection cylinder; 2 0. Detect the upper die; 21. Detect the lower die; 22. The first motor; 23. Detect the rotating shaft; 24. The lower plate ring; 25. The lower plate connecting strip; 26. Fix the lower plate; 27. The second motor; 28. Drive the rotating ring; 29. ​​The upper plate connecting strip; 30. The upper plate rotating ring; 31. Fix the upper plate; 32. The protective outer block; 33. Install the clamping block; 34. The feeding shaft; 35. The second torsion spring; 36. The spring installation cylinder; 37. The feeding ring plate. DETAILED DESCRIPTION

[0010] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0011] The present invention provides a hardness measuring device for a mechanical workpiece through improvement. The technical solution of the present invention is: like Figure 1-Figure 8As shown, a hardness measuring device for mechanical workpieces comprises an installation bottom box 1, the side of the installation bottom box 1 is fixedly connected to two connecting outer plates 4, the inner side of the connecting outer plates 4 is fixedly connected to a transport inner plate 5, the inner sides of the two transport inner plates 5 are fixedly connected to a transport top block 9, a protective plate is provided between the two transport inner plates 5, the top of the protective plate is fixedly connected to a feed frame 11, the inner sides of the two transport top blocks 9 are fixedly connected to a transport slide 10, the top of the transport slide 10 is fixedly connected to the protective plate, the bottom of the transport slide 10 is fixedly connected to a transport inclined block 13, the tops of the two transport inner plates 5 are fixedly connected There is a transport top plate 12, one side of the transport top plate 12 is fixedly connected with a transport fixing strip 15, one end of the transport fixing strip 15 is fixedly connected to the inner side of a transport fixing column 16, the side of the transport fixing column 16 is rotatably connected with a transport pressure strip 18, a first torsion spring 17 is installed between the transport pressure strip 18 and the first torsion spring 17, the top of the transport slide 10 is slidably clamped with a magnetic core 14, the top of the installation bottom box 1 is fixedly connected with a second motor 27, the output end of the second motor 27 is fixedly connected with a driving swivel 28, and the side of the driving swivel 28 is fixedly connected with an upper plate connecting strip 29. The bottom of the upper plate connecting strip 29 is fixedly connected to a fixed upper plate 31, one side of the fixed upper plate 31 is fixedly connected to two mounting clamps 33, the inner side of the mounting clamps 33 is fixedly connected to a feeding shaft 34, the side of the feeding shaft 34 is rotatably connected to a feeding ring plate 37, the feeding ring plate 37 is fitted with the fixed upper plate 31 and one corner of the fitting place of the feeding ring plate 37 is a curved surface, the side of the feeding ring plate 37 is fixedly connected to a spring mounting tube 36, the inner side of the spring mounting tube 36 is installed with a second torsion spring 35, the second torsion spring 35 is sleeved on the side of the feeding shaft 34, and the two sides of the fixed upper plate 31 are fixedly connected to the fixed upper plate 31. A protective outer block 32 is fixedly connected, the top of the installation bottom box 1 is fixedly connected with a first motor 22, the output end of the first motor 22 is fixedly connected with a detection shaft 23, the side of the detection shaft 23 is fixedly connected with a lower plate ring 24, the bottom of the lower plate ring 24 is fixedly connected with a lower plate connecting strip 25, the top of the lower plate connecting strip 25 is fixedly connected with a fixed lower plate 26, the inner side of the upper plate connecting strip 29 is fixedly connected with an upper plate rotating ring 30, the upper plate rotating ring 30 is rotatably connected to the side of the detection shaft 23, and a slot of the same size as the magnetic core 14 is provided between the fixed lower plate 26 and the fixed upper plate 31;When in use: put the magnetic core 14 through the feed frame 11, slide it between the transport slide bar 10 and the transport top plate 12, until it is against the transport inclined block 13, then the second motor 27 rotates to make the fixed upper plate 31 rotate toward the transport inclined block 13, when the loading ring plate 37 hits the magnetic core 14, the loading ring plate 37 rotates along the curved surface of one corner of the loading ring plate 37, so that the loading ring plate 37 shrinks, when the loading ring plate 37 crosses the magnetic core 14, it is torsionally rotated by the second torsion spring 35 to reset the loading ring plate 37, then the second motor 27 reverses to make the loading ring plate 37 hook the magnetic core 14, because the loading ring plate 37 The other corner is a right angle and fits with the fixed upper plate 31, so that the feeding ring plate 37 is fixed, the magnetic core 14 is hooked out, and the transport pressure strip 18 is pushed to rotate upward. After being hooked out, the transport pressure strip 18 is torsionally reset by the first torsion spring 17, pressing the next magnetic core 14, and the magnetic core 14 slides along the feeding ring plate 37 to the top of the fixed upper plate 31. At the same time, the first motor 22 is started, so that the fixed lower plate 26 rotates and fits with the fixed upper plate 31, so that the magnetic core 14 is clamped between the fixed lower plate 26 and the fixed upper plate 31, and then the second motor 27 and the first motor 22 rotate synchronously, so that the magnetic core 14 rotates to one side for detection. ;

[0012] Furthermore, the two sides of the installation bottom box 1 are fixedly connected with supporting side plates 2, the top inner sides of the supporting side plates 2 are fixedly connected with supporting top plates 3, the bottom of the supporting top plates 3 are fixedly connected with detecting oil cylinders 19, the bottom of the detecting oil cylinders 19 are fixedly connected with detecting upper molds 20, the top of the installation bottom box 1 is fixedly connected with detecting lower molds 21, one side of the installation bottom box 1 is fixedly connected with a transport bottom plate 7, the two sides of the transport bottom plate 7 are fixedly connected with transport bottom blocks 6, the other side of the transport bottom block 6 is fixedly connected to the transport inner plate 5, the top of the transport bottom plate 7 is fixedly connected with a transport push block 8, the transport The top corner of the input push block 8 is a curved surface, and the spacing of the loading ring plate 37 is the same as the width of the transport bottom plate 7; when in use: the detection upper mold 20 is pushed by the detection cylinder 19, so that the detection upper mold 20 and the detection lower mold 21 are clamped at the bottom and top of the fixed lower plate 26 and the fixed upper plate 31, and the middle magnetic core 14 is detected. After completion, the fixed upper plate 31 and the fixed lower plate 26 are rotated to one side of the transport inclined block 13, and then the fixed upper plate 31 continues to rotate, and the magnetic core 14 is pushed out by the transport push block 8, so that the magnetic core 14 slides along the transport bottom plate 7, and then rotates to hook the next magnetic core 14, and this is repeated to quickly detect the magnetic core 14.

[0013] Working principle: When in use, the magnetic core 14 is put in through the feed frame 11, and slides between the transport slide bar 10 and the transport top plate 12 until the transport inclined block 13 is against it. Then the second motor 27 rotates to make the fixed upper plate 31 rotate toward the transport inclined block 13. When the loading ring plate 37 hits the magnetic core 14, the loading ring plate 37 rotates along the curved surface of one corner of the loading ring plate 37 to shrink the loading ring plate 37. When the loading ring plate 37 crosses the magnetic core 14, the loading ring plate 37 is reset by twisting through the second torsion spring 35. Then the second motor 27 reverses to make the loading ring plate 37 hook the magnetic core 14. Because the other corner of the loading ring plate 37 is at a right angle and fits the fixed upper plate 31, the loading ring plate 37 is fixed, the magnetic core 14 is hooked out, and the transport pressure strip 18 is pushed to rotate upward. After being hooked out, the transport pressure strip 18 is reset by twisting through the first torsion spring 17 to press the next magnetic core 1 4. At the same time, the magnetic core 14 slides along the feeding ring plate 37 to the top of the fixed upper plate 31, and the first motor 22 is started to rotate the fixed lower plate 26 to fit the fixed upper plate 31, so that the magnetic core 14 is clamped between the fixed lower plate 26 and the fixed upper plate 31. Then the second motor 27 and the first motor 22 rotate synchronously to rotate the magnetic core 14 to one side for detection, and the detection upper mold 20 is pushed by the detection cylinder 19 to clamp the detection upper mold 20 and the detection lower mold 21 at the bottom and top of the fixed lower plate 26 and the fixed upper plate 31 to detect the magnetic core 14 in the middle. After completion, the fixed upper plate 31 and the fixed lower plate 26 are rotated to one side of the transport inclined block 13, and then the fixed upper plate 31 continues to rotate, and the magnetic core 14 is pushed out by the transport push block 8, so that the magnetic core 14 slides along the transport bottom plate 7, and then rotates to hook the next magnetic core 14, and this is repeated to quickly detect the magnetic core 14.

[0014] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hardness measuring device for a mechanical workpiece, comprising a mounting base box (1), characterized in that: The side of the installation bottom box (1) is fixedly connected to two connecting outer plates (4), the inner side of the connecting outer plates (4) is fixedly connected to a transport inner plate (5), the inner sides of the two transport inner plates (5) are fixedly connected to a transport top block (9), a protective plate is provided between the two transport inner plates (5), the top of the protective plate is fixedly connected to a feed frame (11), the inner sides of the two transport top blocks (9) are fixedly connected to a transport slide bar (10), the top end of the transport slide bar (10) is fixedly connected to the protective plate, and the bottom end of the transport slide bar (10) is fixedly connected to a transport frame (11). A transport inclined block (13), the tops of the two transport inner plates (5) are fixedly connected to a transport top plate (12), one side of the transport top plate (12) is fixedly connected to a transport fixing strip (15), the inner side of one end of the transport fixing strip (15) is fixedly connected to a transport fixing column (16), the side of the transport fixing column (16) is rotatably connected to a transport pressure strip (18), a first torsion spring (17) is installed between the transport pressure strip (18) and the first torsion spring (17), and the top of the transport slide bar (10) is slidably clamped with a magnetic core (14); A second motor (27) is fixedly connected to the top of the mounting bottom box (1); a driving ring (28) is fixedly connected to the output end of the second motor (27); an upper plate connecting strip (29) is fixedly connected to the side of the driving ring (28); a fixed upper plate (31) is fixedly connected to the bottom of the upper plate connecting strip (29); two mounting clamps (33) are fixedly connected to one side of the fixed upper plate (31); a loading shaft (34) is fixedly connected to the inner side of the mounting clamp (33); and the loading shaft (34) is fixedly connected to the inner side of the loading shaft (34). A feeding ring plate (37) is rotatably connected to the side of the shaft (34), the feeding ring plate (37) is fitted with the fixed upper plate (31), and a corner of the fitting position of the feeding ring plate (37) is a curved surface, a spring mounting cylinder (36) is fixedly connected to the side of the feeding ring plate (37), a second torsion spring (35) is installed inside the spring mounting cylinder (36), and the second torsion spring (35) is sleeved on the side of the feeding shaft (34), and protective outer blocks (32) are fixedly connected to both sides of the fixed upper plate (31); The top of the mounting bottom box (1) is fixedly connected to a first motor (22); the output end of the first motor (22) is fixedly connected to a detection shaft (23); the side of the detection shaft (23) is fixedly connected to a lower plate ring (24); the bottom of the lower plate ring (24) is fixedly connected to a lower plate connecting strip (25); and the top of the lower plate connecting strip (25) is fixedly connected to a fixed lower plate (26).

2. A hardness measuring device for a mechanical workpiece according to claim 1, characterized in that: An upper plate rotating ring (30) is fixedly connected to the inner side of the upper plate connecting strip (29), and the upper plate rotating ring (30) is rotatably connected to the side of the detection rotating shaft (23). A slot having the same size as the magnetic core (14) is provided between the fixed lower plate (26) and the fixed upper plate (31).

3. A hardness measuring device for a mechanical workpiece according to claim 2, characterized in that: The two sides of the installation bottom box (1) are fixedly connected to support side plates (2), the inner sides of the tops of the support side plates (2) are fixedly connected to support top plates (3), the bottom of the support top plate (3) is fixedly connected to a detection oil cylinder (19), the bottom of the detection oil cylinder (19) is fixedly connected to a detection upper die (20), and the top of the installation bottom box (1) is fixedly connected to a detection lower die (21).

4. A hardness measuring device for a mechanical workpiece according to claim 3, characterized in that: One side of the installation bottom box (1) is fixedly connected to a transport bottom plate (7), two sides of the transport bottom plate (7) are fixedly connected to transport bottom blocks (6), and the other side of the transport bottom block (6) is fixedly connected to a transport inner plate (5).

5. A hardness measuring device for a mechanical workpiece according to claim 4, characterized in that: A transport push block (8) is fixedly connected to the top of the transport bottom plate (7); a top corner of the transport push block (8) is a curved surface; and the spacing of the loading ring plates (37) is the same as the width of the transport bottom plate (7).

Citation Information

Patent Citations

  • Aluminum alloy bar coaxiality calibration machining equipment and work method

    CN111251092A

  • Welding device for electric vehicle seat production

    CN116871801A

  • Tray feeding device

    CN214731147U

  • Automatic drill point feeding and discharging device of drill point rough grinding machine

    CN215510540U

  • Assembling type roll material transportation sliding container bracket

    CN216510499U