Hardmeter for motor rotor

Abstract

The utility model discloses a durometer for a motor rotor, which comprises a durometer body and a lifting assembly, the lifting assembly is arranged on the durometer body, the top of the lifting assembly is provided with a working table and a placing and clamping mechanism, the placing and clamping mechanism is arranged on the working table, the placing and clamping mechanism comprises a placing plate, and the placing plate is arranged on the lifting assembly. The placing plate is arranged at the top of the workbench, fixing blocks are installed on the left side and the right side of the top of the placing plate, electric push rods are installed on the sides, away from each other, of the two fixing blocks, the ends, close to the fixing blocks, of the electric push rods penetrate through the fixing blocks and extend out of the fixing blocks, and arc-shaped clamping blocks are installed at the output ends of the electric push rods. Through mutual cooperation of the placing plate, the fixing block, the electric push rod and the arc-shaped clamping block, the stability of the motor rotor during hardness detection is ensured, the motor rotor can be conveniently clamped and fixed, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hardness testers, in particular to a hardness tester used for a motor rotor. Background Art

[0002] A hardness tester is a hardness testing instrument. The earliest hardness measurement of metal was proposed by Leo Murray, which defines hardness as the ability of a material to resist a hard object pressing into its surface. It is one of the important performance indicators of metal materials. After the motor rotor is produced and processed, a hardness tester is needed to test its hardness.

[0003] According to the application number: CN202221805431.1, a visual Brinell hardness tester includes: a Brinell hardness tester body, a middle part of one side of the Brinell hardness tester body is recessed inward to form a detection cavity, a loading platform is horizontally arranged in the detection cavity through a lifting support mechanism and can be lifted and lowered in a vertical direction, and a detection mechanism is horizontally arranged on the top of the detection cavity.

[0004] The hardness tester in the above case does not have the effect of limit clamping, which causes the workpiece to shake easily when it is placed on the workbench of the hardness tester for lifting and lowering, thereby seriously affecting the effect of workpiece detection and reducing practicality. For this reason, we provide a hardness tester for motor rotors. Utility Model Content

[0005] The purpose of the utility model is to provide a hardness tester for a motor rotor to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a hardness tester for a motor rotor, comprising:

[0007] Hardness tester body;

[0008] A lifting assembly, wherein the lifting assembly is arranged on the hardness tester body, and a workbench is installed on the top of the lifting assembly;

[0009] A placing and clamping mechanism, the placing and clamping mechanism is arranged on the workbench, the placing and clamping mechanism comprises a placing plate, the placing plate is arranged on the top of the workbench, the left and right sides of the top of the placing plate are both installed with fixing blocks, the two fixing blocks are both installed with electric push rods on the sides away from each other, the end of the electric push rod close to the fixing block passes through the fixing block and extends to the outside thereof, and an arc-shaped clamping block is installed on the output end of the electric push rod;

[0010] The limiting and disassembling mechanism is arranged on the placement plate, and the limiting and disassembling mechanism comprises connecting blocks, and the number of the connecting blocks is two and they are respectively installed at the bottom of the left and right sides of the placement plate.

[0011] Preferably, slots are provided on both sides of the top of the workbench, and plug blocks matching the slots are installed at the bottom of the connecting block and at positions corresponding to the slots. The bottom of the plug block passes through the slot and extends to the inside to contact the inner wall of the slot.

[0012] Preferably, a fixed shaft is movably connected in the groove at the bottom of the connecting block via a bearing, and a limit plate used in conjunction with the workbench is installed at the bottom end of the fixed shaft, and the limit plate is in contact with the workbench on one side close to the workbench.

[0013] Preferably, a mounting block is installed at the bottom of the connecting block away from the workbench, and an annular block is installed at the side of the mounting block close to the fixed shaft and on the surface of the fixed shaft.

[0014] Preferably, a concave block is provided at the bottom of the limiting plate, a through groove is provided at the top of the limiting plate and at a position corresponding to the concave block, and a stabilizing block is installed at the bottom of the limiting plate and inside the concave block.

[0015] Preferably, a card block is installed at the bottom of the inner wall of the recessed block, and a card slot adapted to the card block is opened at the bottom of the annular block and at the position corresponding to the card block, and the top of the card block passes through the stabilizing block, the through groove and the card slot in sequence from bottom to top and extends to the interior of the card slot and contacts with the inner wall of the card slot.

[0016] Preferably, a movable block is installed on the surface of the clamping block and inside the through slot, and a buffer spring is sleeved on the surface of the clamping block and inside the through slot.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] 1. The utility model ensures the stability of the motor rotor during hardness testing by the cooperation of the placement plate, the fixing block, the electric push rod and the arc-shaped clamping block, facilitates the clamping and fixing of the motor rotor, and improves practicality.

[0019] 2. The utility model facilitates the disassembly of the placement and clamping mechanism through the mutual cooperation of the connecting block, the slot, the inserting block, the fixed shaft, the limit plate, the mounting block, the annular block, the concave block, the through slot, the stabilizing block, the clamping block, the clamping slot, the movable block and the buffer spring, so that the placement and clamping mechanism can be used as needed, and the disassembly and assembly of the placement and clamping mechanism will not affect the normal use of the hardness tester, thereby improving the flexibility during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the workbench, the placement and clamping mechanism and the limit disassembly and assembly mechanism of the utility model;

[0022] Figure 3 It is a structural cross-sectional view of the front view of the utility model;

[0023] Figure 4 For this utility model Figure 3 A partial enlarged view of middle A.

[0024] In the figure: 1 hardness tester body, 11 lifting assembly, 12 workbench, 2 placement clamping mechanism, 21 placement plate, 22 fixed block, 23 electric push rod, 24 arc clamping block, 3 limit disassembly mechanism, 31 connection block, 32 slot, 33 plug block, 34 fixed shaft, 35 limit plate, 36 installation block, 37 annular block, 38 concave block, 39 through slot, 310 stabilizing block, 311 clamping block, 312 clamping slot, 313 movable block, 314 buffer spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 A hardness tester for a motor rotor comprises: a hardness tester body 1 and a lifting assembly 11, wherein the hardness tester body 1 is provided with a detection pressure head, the lifting assembly 11 is provided on the hardness tester body 1, and a workbench 12 is fixedly connected to the top of the lifting assembly 11.

[0027] A placing and clamping mechanism 2 is arranged on a workbench 12. The placing and clamping mechanism 2 includes a placing plate 21. The placing plate 21 is arranged on the top of the workbench 12. The bottom of the placing plate 21 contacts the top of the workbench 12. The left and right sides of the top of the placing plate 21 are fixedly connected with fixing blocks 22. The two sides of the fixing blocks 22 that are away from each other are fixedly connected with electric push rods 23. One end of the electric push rod 23 close to the fixing block 22 passes through the fixing block 22 and extends to the outside thereof. An arc-shaped clamping block 24 is fixedly connected to the output end of the electric push rod 23. A battery is installed in the groove of the left fixing block 22. The battery supplies power to the electric push rod 23.

[0028] By the mutual cooperation of the placing plate 21, the fixing block 22, the electric push rod 23 and the arc-shaped clamping block 24, the stability of the motor rotor during the hardness test is ensured, the motor rotor is clamped and fixed conveniently, and the practicality is improved.

[0029] The limiting disassembly mechanism 3 is arranged on the placement plate 21. The limiting disassembly mechanism 3 includes a connecting block 31. The number of the connecting blocks 31 is two and they are respectively installed at the bottom of the left and right sides of the placement plate 21. The side of the connecting block 31 close to the workbench 12 is in contact with the workbench 12. Slots 32 are provided on the left and right sides of the top of the workbench 12. The bottom of the connecting block 31 and the position corresponding to the slot 32 are fixedly connected with an insert block 33 adapted to the slot 32. The bottom of the insert block 33 passes through the slot 32 and extends The connecting block 31 extends to the inside thereof and contacts the inner wall of the slot 32. A fixed shaft 34 is movably connected to the groove at the bottom of the connecting block 31 through a bearing. A limit plate 35 used in conjunction with the workbench 12 is fixedly connected to the bottom end of the fixed shaft 34. The limit plate 35 is in contact with the workbench 12 on the side close to the workbench 12. A mounting block 36 is fixedly connected to the bottom of the connecting block 31 away from the workbench 12. A ring block 37 is fixedly connected to the side of the mounting block 36 close to the fixed shaft 34 and located on the surface of the fixed shaft 34. The ring block 37 The interior of 7 has no contact with the surface of the fixed shaft 34, a concave block 38 is arranged at the bottom of the limiting plate 35, the top of the concave block 38 contacts with the bottom of the limiting plate 35, a through groove 39 is provided at the top of the limiting plate 35 and at a position corresponding to the concave block 38, a stabilizing block 310 is fixedly connected to the bottom of the limiting plate 35 and located inside the concave block 38, a clamping block 311 is fixedly connected to the bottom of the inner wall of the concave block 38, and a clamping groove 312 adapted to the clamping block 311 is provided at the bottom of the annular block 37 and at a position corresponding to the clamping block 311. The top of the block 311 passes through the stabilizing block 310, the through slot 39 and the slot 312 from bottom to top in sequence and extends to the inside of the slot 312 and contacts the inner wall of the slot 312. The surface of the block 311 and the inside of the through slot 39 are fixedly connected with a movable block 313. The surface of the movable block 313 is in sliding contact with the inner wall of the through slot 39. The surface of the block 311 and the inside of the through slot 39 are sleeved with a buffer spring 314. The two ends of the buffer spring 314 are respectively connected to the movable block 313 and the stabilizing block 310.

[0030] Specifically, the recessed block 38 is pulled downward, the recessed block 38 drives the clamping block 311 to move downward, the clamping block 311 drives the movable block 313 to move downward, the movable block 313 squeezes the buffer spring 314 downward to move, so that the clamping block 311 and the clamping slot 312 are separated, and then the limit plate 35 is rotated, the limit plate 35 rotates 180 degrees around the fixed axis 34, so that the limit plate 35 and the workbench 12 are separated, and then the placement plate 21 is pulled upward, the placement plate 21 drives the insertion block 33 to move upward through the connecting block 31, so that the insertion block 33 and the slot 32 are separated, and the placement clamping mechanism 2 can be disassembled.

[0031] Through the mutual cooperation of the connecting block 31, the slot 32, the insert block 33, the fixed shaft 34, the limit plate 35, the mounting block 36, the annular block 37, the recessed block 38, the through slot 39, the stabilizing block 310, the clamping block 311, the clamping slot 312, the movable block 313 and the buffer spring 314, it is convenient to disassemble the placement clamping mechanism 2, so that the placement clamping mechanism 2 can be used as needed, and the disassembly and assembly of the placement clamping mechanism 2 will not affect the normal use of the hardness tester, thereby improving the flexibility during use.

[0032] When in use, the motor rotor is placed on the placement plate 21, and then the electric push rod 23 is started. The electric push rod 23 drives the arc clamping block 24 to clamp and fix the motor rotor, and then the motor rotor is driven upward by the lifting assembly 11, so that the detection pressure head on the hardness tester body 1 can detect the hardness of the motor rotor.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hardness tester for a motor rotor, characterized in that: include: Hardness tester body (1); A lifting component (11), the lifting component (11) is arranged on the hardness tester body (1), and a workbench (12) is installed on the top of the lifting component (11); A placing and clamping mechanism (2), wherein the placing and clamping mechanism (2) is arranged on a workbench (12), and the placing and clamping mechanism (2) comprises a placing plate (21), wherein the placing plate (21) is arranged on the top of the workbench (12), and fixed blocks (22) are installed on both the left and right sides of the top of the placing plate (21), and electric push rods (23) are installed on the sides of the two fixed blocks (22) that are away from each other, and the end of the electric push rod (23) close to the fixed block (22) passes through the fixed block (22) and extends to the outside thereof, and an arc-shaped clamping block (24) is installed on the output end of the electric push rod (23); A position limiting and disassembling mechanism (3), wherein the position limiting and disassembling mechanism (3) is arranged on the placement plate (21), and the position limiting and disassembling mechanism (3) comprises connecting blocks (31), wherein the number of the connecting blocks (31) is two and the connecting blocks (31) are respectively installed at the bottom of the left and right sides of the placement plate (21).

2. A hardness tester for a motor rotor according to claim 1, characterized in that: Slots (32) are provided on both left and right sides of the top of the workbench (12); an insert block (33) adapted to the slot (32) is installed at the bottom of the connection block (31) and at a position corresponding to the slot (32); the bottom of the insert block (33) passes through the slot (32) and extends to the inside thereof to contact the inner wall of the slot (32).

3. A hardness tester for a motor rotor according to claim 2, characterized in that: A fixed shaft (34) is movably connected in the groove at the bottom of the connecting block (31) via a bearing, and a limiting plate (35) for use with the workbench (12) is installed at the bottom end of the fixed shaft (34), and the limiting plate (35) is in contact with the workbench (12) on the side close to the workbench (12).

4. A hardness tester for a motor rotor according to claim 3, characterized in that: A mounting block (36) is installed at the bottom of the connecting block (31) away from the workbench (12), and an annular block (37) is installed on the side of the mounting block (36) close to the fixed shaft (34) and located on the surface of the fixed shaft (34).

5. A hardness tester for a motor rotor according to claim 4, characterized in that: A recessed block (38) is provided at the bottom of the limiting plate (35), a through slot (39) is provided at the top of the limiting plate (35) and at a position corresponding to the recessed block (38), and a stabilizing block (310) is installed at the bottom of the limiting plate (35) and inside the recessed block (38).

6. A hardness tester for a motor rotor according to claim 5, characterized in that: A clamping block (311) is installed at the bottom of the inner wall of the recessed block (38); a clamping groove (312) adapted to the clamping block (311) is provided at the bottom of the annular block (37) and at a position corresponding to the clamping block (311); the top of the clamping block (311) penetrates the stabilizing block (310), the through groove (39) and the clamping groove (312) in sequence from bottom to top and extends to the interior of the clamping groove (312) and contacts the inner wall of the clamping groove (312).

7. A hardness tester for a motor rotor according to claim 6, characterized in that: A movable block (313) is installed on the surface of the clamping block (311) and located inside the through slot (39), and a buffer spring (314) is sleeved on the surface of the clamping block (311) and located inside the through slot (39).

Images