CN217878646U

CN217878646U - Lifting device of microhardometer

Info

Publication number: CN217878646U
Application number: CN202222161120.2U
Authority: CN
Inventors: 孙天林
Original assignee: Weihai Blue Valley Material Analysis Research Institute Co ltd
Current assignee: Weihai Blue Valley Material Analysis Research Institute Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2022-11-22
Anticipated expiration: 2032-08-17

Abstract

The utility model discloses a lifting device of a microhardometer, belonging to the technical field of hardometer manufacturing, comprising a main body, wherein the interior of the main body is fixedly connected with a lifting device positioned below a pressure head and an objective lens, the lifting device comprises a lifting cylinder, a lifting rod is arranged inside the lifting cylinder, the top end of the lifting rod is fixedly connected with a placing plate, the left side of the upper end surface of the placing plate is fixedly connected with a fixed block, a spring is arranged inside the fixed block, and the other end of the spring is fixedly connected with a limiting plate; at first through rotating the crank, the output shaft drives first gear and driving gear and follows the rotation, then drives screw gear through the driven gear rotation that the driving gear is connected with the meshing and rotates, through screw gear and the gear groove mesh then make the lifter rebound, the lifter removes and stops to rotate the crank after detecting the position, prevents effectively that high frequency switch motor leads to damaging because of adjusting the lifter height to influence work efficiency.

Description

Lifting device of microhardometer

Technical Field

The utility model relates to a technical field is made to the sclerometer, specifically is a elevating gear of micro-sclerometer.

Background

The microhardness tester is a precise instrument for testing the performance of metal materials in the industries of machinery, metallurgy and the like, and is widely applied to various industries.

A microhardness tester for measuring the hardness of microscopic structure is composed of a focusing mechanism for measuring microscope, a loading mechanism for loading and unloading the test force, a loading mechanism for controlling the holding time of test force, and a microscope for optical amplification and measuring the length of diagonal line of indentation left by pressing the pressing head of diamond pyramid onto the surface of specimen to obtain the hardness of specimen, and a microhardness tester with loading force of 0.09807N (10 gf) -9.807N (1000 gf) for measuring the hardness of small and thin parts, special parts and surface layer.

The existing microhardness tester needs to fix materials before detecting the materials, but the fixing specification of the existing fixing device is determined, so that the materials with different sizes cannot be adjusted and fixed, and the practicability is low; and need often switch closure motor when adjustment elevating platform height, long-term so can lead to the pulse high voltage not to come to time discharge can accumulate and finally cause the puncture and damage the motor to influence work efficiency.

Disclosure of Invention

An object of the utility model is to provide a elevating gear of micro-sclerometer has and is convenient for fix and prevent that the motor from damaging not equidimension material, improves work efficiency's characteristics.

In order to achieve the above purpose, the utility model provides a following technical scheme: a lifting device of a microhardness tester comprises a main body, wherein the top end of the front end surface of the main body is provided with a micrometer eyepiece, the inside of the main body is provided with a turret, the bottom end of the turret is respectively provided with a pressure head and an objective lens,

the lifting device is fixedly connected to the inside of the main body and located below the pressure head and the objective lens, the lifting device comprises a lifting barrel, a lifting rod is arranged inside the lifting barrel, a placing plate is fixedly connected to the top end of the lifting rod, a plurality of gear grooves which are uniformly distributed are formed in the outer wall of the lifting rod, a crank is arranged on the right side wall of the lifting barrel, an output shaft extending to the inside of the lifting device is fixedly connected to the left side wall of the crank, a first gear and a driving gear are sleeved on the outer wall of the output shaft, a driven gear meshed with the driving gear is arranged inside the lifting barrel, a driven shaft is fixedly connected to the outer wall of the driven gear, the other end of the driven shaft is movably connected with the inside of the lifting barrel through a bearing, and a screw gear meshed with the gear grooves is sleeved on the outer wall of the driven shaft;

place the up end left side fixedly connected with fixed block of board, the internally mounted of fixed block has the spring, the other end fixedly connected with limiting plate of spring, the right side wall fixedly connected with protection of limiting plate is filled up, the up end right side fixedly connected with second fixed plate of placing the board, first spout has been seted up to the up end of second fixed plate, the inside sliding connection of first spout has sliding bracket.

For the convenience of fixing first gear, prevent the lifter activity from top to bottom, conduct the utility model discloses a micro-sclerometer's elevating gear is preferred, the inside of a lift section of thick bamboo is provided with the locking means who is located first gear top, locking means is including the locking box, there is the locking piece locking box inside through bolt swing joint, the preceding terminal surface fixedly connected with clamp plate of locking piece, the inside rear end swing joint of locking box has the clamp plate of supporting with locking piece outer wall butt.

For the convenience of cooperating the fixed block to fix the detection material, as the utility model discloses a micro-sclerometer's elevating gear is preferred, the up end fixedly connected with of placing the board is located the first fixed plate that distributes around and between second fixed plate and the fixed block, two the second spout, two have all been seted up to the up end of first fixed plate the equal sliding connection in inside of second spout has a sliding block, two the third spout with sliding support sliding connection, two are all seted up to the up end of sliding block the equal fixedly connected with stripper plate in one side that the sliding block is relative.

In order to improve the intellectuality of device, the operation of being convenient for, conduct the utility model discloses a micro-sclerometer's elevating gear is preferred, the preceding terminal surface bottom of main part is provided with the display screen.

In order to facilitate the stability of improving the device, as the utility model discloses a micro-hardometer's elevating gear is preferred, the equal fixedly connected with horizontal screw in bottom four corners of main part.

For the convenience of carrying out control work to each electronic component respectively, as the utility model discloses a micro-hardometer's elevating gear is preferred, the left side wall bottom of main part is provided with control switch, control switch and capstan head and display screen electric connection.

For the convenience of adjusting sliding support and removing the detection material to equidimension not and fix, conduct the utility model discloses a micro-sclerometer's elevating gear is preferred, the inside left side fixedly connected with fixed screw of first spout, the inside threaded connection of first spout has the fine setting screw rod, fixed screw and sliding support and fine setting screw rod threaded connection.

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

1. firstly, a detection material is placed above a placing plate, a fine adjustment screw rod is rotated to drive a sliding support to move to the left side of the placing plate, the sliding support slides in a third sliding groove to enable two sliding blocks to be close to or separate from each other, when two extrusion plates abut against the detection material, the detection material is extruded and moved through the two extrusion plates to enable the detection material to abut against a protective pad, a spring is arranged inside a fixed block, the detection material can be buffered, the detection material can be effectively fixed, the detection materials with different sizes can be conveniently fixed by adjusting the position of the sliding support, and the practicability of the device is effectively improved;

2. after fixing the detection material, through rotating the crank, the crank drives the output shaft and rotates and make first gear and driving gear follow the rotation, drive the driven gear who is connected rather than the meshing through the driving gear and rotate, then drive screw gear when driven gear rotates, make the lifter rebound through screw gear and gear groove looks meshing, stop rotating the crank after the lifter removes to detecting the position, fix the lifter, effectively prevent to lead to damaging because of adjusting the lifter height and high frequency switch motor, thereby influence work efficiency.

Drawings

FIG. 1 is an overall internal structure diagram of the present invention;

FIG. 2 is a side view of the whole structure of the present invention;

FIG. 3 is an internal structure view of the lifting cylinder of the present invention;

FIG. 4 is a top view of the structure of the placing plate of the present invention;

fig. 5 is a view of the inner structure of the locking box of the present invention.

In the figure: 1. a main body; 2. a micrometer eyepiece; 3. a turret; 4. an objective lens; 5. a pressure head; 6. placing a plate; 7. a lifting cylinder; 8. a display screen; 9. a control switch; 10. a horizontal screw; 11. a lifting rod; 12. a gear groove; 13. a crank; 14. a fixing screw; 15. an output shaft; 16. a first gear; 17. a lock box; 18. a driving gear; 19. a driven gear; 20. a driven shaft; 21. a screw gear; 22. a bearing; 23. pressing the plate; 24. pressing a plate; 25. a fixed block; 26. a spring; 27. a limiting plate; 28. a protective pad; 29. fine adjustment of the screw rod; 30. a sliding support; 31. a first chute; 32. a second chute; 33. a slider; 34. a compression plate; 35. a third chute; 36. a first fixing plate; 37. a second fixing plate; 38. a locking block.

Detailed Description

Referring to fig. 1 to 5, a lifting device for a microhardness tester comprises a main body 1, a micrometer 2 is disposed at the top end of the front end surface of the main body 1, a turret 3 is disposed inside the main body 1, a pressing head 5 and an objective 4 are respectively disposed at the bottom end of the turret 3,

the inside of the main body 1 is fixedly connected with a lifting device which is positioned below the pressure head 5 and the objective lens 4, the lifting device comprises a lifting cylinder 7, the inside of the lifting cylinder 7 is provided with a lifting rod 11, the top end of the lifting rod 11 is fixedly connected with a placing plate 6, the outer wall of the lifting rod 11 is provided with a plurality of uniformly distributed gear grooves 12, the right side wall of the lifting cylinder 7 is provided with a crank 13, the left side wall of the crank 13 is fixedly connected with an output shaft 15 which extends to the inside of the lifting device, the outer wall of the output shaft 15 is sleeved with a first gear 16 and a driving gear 18, the inside of the lifting cylinder 7 is provided with a driven gear 19 which is meshed with the driving gear 18, the outer wall of the driven gear 19 is fixedly connected with a driven shaft 20, the other end of the driven shaft 20 is movably connected with the inside of the lifting cylinder 7 through a bearing 22, and the outer wall of the driven shaft 20 is sleeved with a screw gear 21 which is meshed with the gear grooves 12;

place board 6's up end left side fixedly connected with fixed block 25, the internally mounted of fixed block 25 has spring 26, spring 26's other end fixedly connected with limiting plate 27, limiting plate 27's right side wall fixedly connected with protection pad 28, place board 6's up end right side fixedly connected with second fixed plate 37, first spout 31 has been seted up to the up end of second fixed plate 37, the inside sliding connection of first spout 31 has sliding bracket 30.

In this embodiment: firstly, a detection material is placed above the placing plate 6, the sliding support 30 is driven to move towards the left side of the placing plate 6 by rotating the fine adjustment screw 29, the sliding support 30 slides in the third sliding groove 35 to enable the two sliding blocks 33 to be close to or separate from each other, when the two extrusion plates 34 are abutted to the detection material, the detection material is extruded and moved by the two extrusion plates 34 to enable the detection material to be abutted to the protective pad 28, the spring 26 is arranged in the fixing block 25 and can play a role in buffering the detection material, so that the detection material can be effectively fixed, the detection materials with different sizes can be conveniently fixed by adjusting the position of the sliding support 30, and the practicability of the device is effectively improved;

after fixing the detection material, through rotating crank 13, crank 13 drives output shaft 15 and rotates and make first gear 16 and driving gear 18 follow the rotation, it rotates rather than meshing driven gear 19 of being connected to drive through driving gear 18, it then drives screw gear 21 and rotates to rotate when driven gear 19 rotates, make lifter 11 rebound through screw gear 21 and gear groove 12 looks meshing, stop rotating crank 13 after lifter 11 removes to detecting the position, fix lifter 11, effectively prevent because of adjusting lifter 11 height, and high frequency switch motor leads to damaging, thereby influence work efficiency.

As a technical optimization scheme of the utility model, the inside of a lift section of thick bamboo 7 is provided with the locking means who is located first gear 16 top, and locking means is including locking box 17, and there is locking piece 38 locking piece 17 inside through bolt swing joint, the preceding terminal surface fixedly connected with clamp plate 24 of locking piece 38, and the inside rear end swing joint of locking box 17 has the clamp plate 23 that supports with locking piece 38 outer wall butt.

In this embodiment: by providing the locking block 38, when the first gear 16 stops rotating, the locking block 38 is locked in the gear groove of the first gear 16, thereby fixing the first gear 16 against rotation.

As a technical optimization scheme, the up end fixedly connected with of placing board 6 is located the first fixed plate 36 of front-back distribution between second fixed plate 37 and the fixed block 25, and second spout 32 has all been seted up to the up end of two first fixed plates 36, and the equal sliding connection in inside of two second spouts 32 has sliding block 33, and the third spout 35 with sliding support 30 sliding connection has all been seted up to the up end of two sliding blocks 33, and the equal fixedly connected with stripper plate 34 in one side that two sliding blocks 33 are relative.

In this embodiment: when the fine adjustment screw 29 is rotated, the sliding support 30 is driven to move inside the third sliding groove 35, so that the two extrusion plates 34 are driven to approach or separate from each other, and the measurement materials with different sizes can be fixed.

As a technical optimization scheme of the utility model, the preceding terminal surface bottom of main part 1 is provided with display screen 8.

In this embodiment: through setting up display screen 8, can make the intelligent performance of device improve, the operation of being convenient for.

As a technical optimization scheme of the utility model, the equal fixedly connected with horizontal screw 10 in bottom four corners of main part 1.

In this embodiment: by providing horizontal screws 10 the device can be detachably connected to the table top, thereby improving the stability of the device.

As a technical optimization scheme of the utility model, the left side wall bottom of main part 1 is provided with control switch 9, control switch 9 and

capstan head

3 and 8 electric connection of display screen.

In this embodiment: by setting the control switch 9, the turret 3 and the display screen 8 can be conveniently controlled, and the operation is convenient.

As a technical optimization scheme of the utility model, the inside left side fixedly connected with set screw 14 of first spout 31, the inside threaded connection of first spout 31 has fine setting screw 29, set screw 14 and sliding support 30 and fine setting screw 29 threaded connection.

In this embodiment: by rotating the fine adjustment screw 29, the sliding bracket 30 moves inside the first chute 31, and materials with different sizes and specifications are fixed.

The working principle is as follows: firstly, a detection material is placed above the placing plate 6, the sliding support 30 is driven to move towards the left side of the placing plate 6 by rotating the fine adjustment screw 29, the sliding support 30 slides in the third sliding groove 35 to enable the two sliding blocks 33 to be close to or separate from each other, when the two extrusion plates 34 are abutted to the detection material, the detection material is extruded and moved by the two extrusion plates 34 to enable the detection material to be abutted to the protective pad 28, the spring 26 is arranged in the fixing block 25 and can play a role in buffering the detection material, so that the detection material can be effectively fixed, the detection materials with different sizes can be fixed, and the practicability of the device is effectively improved;

after fixing the material that detects, through rotating crank 13, crank 13 drives output shaft 15 and rotates and make first gear 16 and driving gear 18 follow the rotation, it rotates rather than meshing driven gear 19 of being connected to drive through driving gear 18, it rotates then to drive screw gear 21 when driven gear 19 rotates, it makes lifter 11 rebound to mesh mutually with gear groove 12 through screw gear 21, stop rotating crank 13 after lifter 11 moves to the detection position, locking piece 38 card is fixed it in first gear 16's gear inslot portion, prevent that first gear 16 from rotating and fixing lifter 11 position, accessible press plate 24 when opening, press plate 24 drives locking piece 38 and lifts, thereby through rotating crank 13 and carrying out the adjustment of height to lifter 11, effectively prevent because of adjusting lifter 11 height, and high frequency time switch motor leads to damaging, thereby influence work efficiency.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a lifting device of microhardometer, includes main part (1), the preceding terminal surface top of main part (1) is provided with micrometer eyepiece (2), the internally mounted of main part (1) has capstan head (3), pressure head (5) and objective (4), its characterized in that are installed respectively to the bottom of capstan head (3):

the lifting device is fixedly connected to the inside of the main body (1) and located below the pressure head (5) and the objective lens (4), the lifting device comprises a lifting barrel (7), a lifting rod (11) is arranged inside the lifting barrel (7), a placing plate (6) is fixedly connected to the top end of the lifting rod (11), a plurality of gear grooves (12) which are uniformly distributed are formed in the outer wall of the lifting rod (11), a crank (13) is arranged on the right side wall of the lifting barrel (7), an output shaft (15) extending into the lifting barrel (7) is fixedly connected to the left side wall of the crank (13), a first gear (16) and a driving gear (18) are sleeved on the outer wall of the output shaft (15), a driven gear (19) meshed with the driving gear (18) is arranged inside the lifting barrel (7), a driven shaft (20) is fixedly connected to the outer wall of the driven gear (19), the other end of the driven shaft (20) is connected with the inside of the lifting barrel (7) through a bearing (22), and a screw rod gear (21) meshed with the gear grooves (12) is sleeved on the outer wall of the driven shaft (20);

place up end left side fixedly connected with fixed block (25) of board (6), the internally mounted of fixed block (25) has spring (26), other end fixedly connected with limiting plate (27) of spring (26), right side wall fixedly connected with protection pad (28) of limiting plate (27), place up end right side fixedly connected with second fixed plate (37) of board (6), first spout (31) have been seted up to the up end of second fixed plate (37), the inside sliding connection of first spout (31) has sliding bracket (30).

2. A microhardness tester lifting device according to claim 1, wherein: the inside of a lift section of thick bamboo (7) is provided with the locking means who is located first gear (16) top, locking means is including locking box (17), there is locking piece (38) locking box's (17) inside through bolt swing joint, the preceding terminal surface fixedly connected with clamp plate (24) of locking piece (38), the inside rear end swing joint of locking box (17) has support clamp plate (23) with locking piece (38) outer wall butt.

3. A microhardness tester lifting apparatus according to claim 1, wherein: place up end fixedly connected with of board (6) be located between second fixed plate (37) and fixed block (25) and first fixed plate (36) of front-back distribution, two second spout (32) have all been seted up to the up end of first fixed plate (36), two the equal sliding connection in inside of second spout (32) has sliding block (33), two third spout (35) with sliding support (30) sliding connection, two are all seted up to the up end of sliding block (33) the equal fixedly connected with stripper plate (34) in one side that sliding block (33) are relative.

4. A microhardness tester lifting device according to claim 1, wherein: the bottom end of the front end face of the main body (1) is provided with a display screen (8).

5. A microhardness tester lifting device according to claim 1, wherein: the four corners of the bottom end of the main body (1) are fixedly connected with horizontal screws (10).

6. A microhardness tester lifting device according to claim 1, wherein: the left side wall bottom of main part (1) is provided with control switch (9), control switch (9) and capstan head (3) and display screen (8) electric connection.

7. A microhardness tester lifting apparatus according to claim 1, wherein: the inside left side fixedly connected with set screw (14) of first spout (31), the inside threaded connection of first spout (31) has fine setting screw rod (29), set screw (14) and sliding support (30) and fine setting screw rod (29) threaded connection.