Liftable Rockwell hardness tester

Abstract

The utility model discloses a liftable Rockwell hardness tester which comprises a machine body, a lifting rod is mounted in the machine body, a placing table is fixed at the top of the lifting rod, a turntable is mounted on the outer side wall of the lifting rod, and a clamping mechanism is mounted on the outer side wall of the lifting rod. The clamping mechanism comprises a cylinder, a plurality of supporting rods, a plurality of threaded cylinders, a plurality of screws and a plurality of clamping blocks, a transmission mechanism is arranged on the outer side of the cylinder, and the transmission mechanism comprises a motor, a circular gear, a rotating cylinder, a plurality of transmission rods and a rotating ring. According to the liftable Rockwell hardness tester, the clamping mechanism is arranged, the cylinder is fixed on the lifting rod, the lifting rod moves up and down to drive the clamping mechanism to move up and down, the screw is rotated, the screw is transferred out of the threaded cylinder, the screw drives the clamping block to move, and the clamping block clamps a tested object, so that the height of the clamping mechanism does not need to be adjusted, and the clamping mechanism is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of Rockwell hardness testers, in particular to a liftable Rockwell hardness tester. Background Art

[0002] Rockwell hardness measurement is one of the most common hardness testing methods. Rockwell hardness testing is performed on a Rockwell hardness tester. A patent (publication number: CN211528109U) has been found that discloses a Rockwell hardness tester comprising a test product securing mechanism and a housing. The housing features a notched surface, a first base secured to the bottom of the notched surface, a first handwheel positioned on the first base and connected to the bottom of a first lifting platform, a loading platform connected to the top of the first lifting platform, multiple first operating levers secured to the sides of the first handwheel, a connecting plate secured to the top of the notched surface via fasteners, an indenter seat connected to the connecting plate at one end, and an indenter connected to the other end of the indenter seat. An illuminating lamp is secured to the top of the notched surface and located to one side of the connecting plate. This utility model conveniently secures round or irregularly shaped, non-ferrous test products, provides convenient testing, simple operation, and guaranteed measurement accuracy.

[0003] The test object is clamped by a telescopic cylinder, but the height of the telescopic cylinder needs to be adjusted manually, which is very inconvenient. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides a liftable Rockwell hardness tester, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a liftable Rockwell hardness tester, comprising a body, a lifting rod installed inside the body, a placement platform fixed on the top of the lifting rod, a turntable installed on the outer wall of the lifting rod, a clamping mechanism installed on the outer wall of the lifting rod, the clamping mechanism comprising a cylinder, multiple support rods, multiple threaded cylinders, multiple screws and multiple clamping blocks, a transmission mechanism is provided on the outer side of the cylinder, and the transmission mechanism comprises a motor, a circular gear, a rotating cylinder, multiple transmission rods and a rotating ring.

[0006] Preferably, one end of the support rod is fixedly connected to the outer wall of the cylinder, the other end of the support rod is fixedly connected to the outer wall of the threaded cylinder, the inner wall of the threaded cylinder is threadedly connected to the outer wall of the screw, and one end of the screw is rotatably connected to the clamping block.

[0007] Preferably, fixed blocks are fixed on both sides of the support rod, the internal sliding connection of the fixed block is connected to a limit rod, a circular plate is fixed inside the body, the lifting rod passes through the circular plate, and multiple fixed plates are fixed on the outer wall of the circular plate, and the bottom of the limit rod and the top of the fixed plate are fixedly connected.

[0008] Preferably, the outer wall of the cylinder is rotatably connected to the inner wall of the rotating drum, a mounting block is fixed to the outer wall of the cylinder, the right side of the mounting block is fixedly connected to the left side of the motor, and a circular gear is fixed to the output shaft of the motor.

[0009] Preferably, a first tooth groove is provided on the outer side wall of the rotating drum, and a second tooth groove is provided on the outer side wall of the rotating drum below the first tooth groove, and the second tooth groove is meshingly connected to the circular gear.

[0010] Preferably, the inner wall of the swivel is fixed with two blocks that are screwed to the outer wall of the screw, and the outer wall of the screw is provided with two stop grooves, and the stop blocks are located inside the stop grooves. The swivel and the threaded cylinder are rotatably connected, the outer wall of the upper transmission rod is transmission-connected to the support rod, and the outer wall of the lower transmission rod is rotatably connected with a connecting block, the top of the connecting block is fixedly connected to the bottom of the support rod, and the transmission rod, the swivel and the rotating cylinder are connected through bevel gear transmission.

[0011] Beneficial effects

[0012] The utility model provides a liftable Rockwell hardness tester. Compared with the prior art, it has the following advantages:

[0013] 1. This liftable Rockwell hardness tester is equipped with a clamping mechanism. The cylinder is fixed on the lifting rod. The lifting rod moves up and down with the clamping mechanism. The screw is rotated and the screw is transferred out of the interior of the threaded barrel. The screw moves with the clamping block, and the clamping block clamps the test object. In this way, there is no need to adjust the height of the clamping mechanism, which is convenient for use.

[0014] 2. The liftable Rockwell hardness tester is provided with a transmission mechanism. When the motor is started, the motor drives the circular gear to rotate. The circular gear drives the rotating drum to rotate through the second tooth groove. The rotating drum drives the transmission rod to rotate through the first tooth groove and the bevel gear. The transmission rod drives the rotating ring to rotate through the third tooth groove. The rotating ring drives the screw to rotate through the stop block and the stop groove. In this way, multiple screws can be rotated at the same time, and multiple clamps move to clamp the test object. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic structural diagram of the clamping mechanism and the transmission mechanism in the present utility model;

[0017] Figure 3 This is a schematic structural diagram of the threaded barrel, screw and clamping block in the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the rotating drum in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the transfer ring of the utility model.

[0020] In the figure: 1. placing table; 2. third tooth groove; 3. transmission mechanism; 4. cylinder; 5. fixing block; 6. clamping mechanism; 7. limiting rod; 8. circular plate; 9. fixing plate; 10. turntable; 11. lifting rod; 12. machine body; 13. supporting rod; 14. screw; 15. threaded cylinder; 16. rotating ring; 17. clamping block; 18. motor; 19. mounting block; 20. circular gear; 21. connecting block; 22. transmission rod; 23. rotating cylinder; 24. bevel gear; 25. first tooth groove; 26. second tooth groove; 27. stop block; 28. stop groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-5 The utility model provides a technical solution: a liftable Rockwell hardness tester, comprising a body 12, a lifting rod 11 is installed inside the body 12, a placing platform 1 is fixed on the top of the lifting rod 11, a turntable 10 is installed on the outer wall of the lifting rod 11, a clamping mechanism 6 is installed on the outer wall of the lifting rod 11, the clamping mechanism 6 includes a cylinder 4, multiple support rods 13, multiple threaded cylinders 15, multiple screws 14 and multiple clamping blocks 17, a transmission mechanism 3 is provided on the outer side of the cylinder 4, the transmission mechanism 3 includes a motor 18, a circular gear 20, a rotating cylinder 23, multiple transmission rods 22 and a rotating ring 16, one end of the support rod 13 is fixedly connected to the outer wall of the cylinder 4, the other end of the support rod 13 is fixedly connected to the outer wall of the threaded cylinder 15, the threaded cylinder The inner wall of 15 and the outer wall of the screw 14 are screwed together, and one end of the screw 14 is rotatably connected to the clamping block 17. Fixed blocks 5 are fixed on both sides of the support rod 13. The internal sliding connection of the fixed block 5 is connected to the limit rod 7. A circular plate 8 is fixed to the inside of the body 12. The lifting rod 11 passes through the circular plate 8. Multiple fixed plates 9 are fixed to the outer wall of the circular plate 8. The bottom of the limit rod 7 and the top of the fixed plate 9 are fixedly connected. The cylinder 4 is fixed on the lifting rod 11. The lifting rod 11 moves up and down with the clamping mechanism 6. The screw 14 is rotated, and the screw 14 is transferred out of the interior of the threaded cylinder 15. The screw 14 moves with the clamping block 17, and the clamping block 17 clamps the test object. In this way, there is no need to adjust the height of the clamping mechanism 6, which facilitates the use of the clamping mechanism 6.

[0023] Furthermore, the outer wall of the cylinder 4 is rotatably connected to the inner wall of the rotating cylinder 23, the outer wall of the cylinder 4 is fixed with a mounting block 19, the right side of the mounting block 19 is fixedly connected to the left side of the motor 18, the output shaft of the motor 18 is fixed with a circular gear 20, the outer wall of the rotating cylinder 23 is provided with a first tooth groove 25, the outer wall of the rotating cylinder 23 is located below the first tooth groove 25 and is provided with a second tooth groove 26, the second tooth groove 26 and the circular gear 20 are meshed and connected, the inner wall of the rotating ring 16 is fixed with two blocks 27 and the outer wall of the screw 14 is screwed, the outer wall of the screw 14 is provided with two stop grooves 28, the stop block 27 is located inside the stop groove 28, the rotating ring 16 and the threaded cylinder 15 are rotatably connected, and the outer side of the upper transmission rod 22 is provided with a second tooth groove 26. The side wall is connected to the support rod 13 by transmission, and the outer side wall of the lower transmission rod 22 is rotatably connected with the connecting block 21. The top of the connecting block 21 is fixedly connected to the bottom of the support rod 13. The transmission rod 22, the swivel 16 and the rotating drum 23 are connected by a bevel gear 24. The motor 18 is started, and the motor 18 rotates the circular gear 20. The circular gear 20 rotates the rotating drum 23 through the second tooth groove 26. The rotating drum 23 rotates the transmission rod 22 through the first tooth groove 25 and the bevel gear 24. The transmission rod 22 rotates the swivel 16 through the third tooth groove 2. The swivel 16 rotates with the screw 14 through the block 27 and the stop groove 28. In this way, multiple screws 14 can rotate at the same time, and multiple clamps 17 move to clamp the test object.

[0024] During operation, the cylinder 4 is fixed on the lifting rod 11, and the lifting rod 11 moves up and down, driving the clamping mechanism 6 up and down, starting the motor 18, and the motor 18 drives the circular gear 20 to rotate. The circular gear 20 drives the rotating drum 23 to rotate through the second tooth groove 26, and the rotating drum 23 drives the transmission rod 22 to rotate through the first tooth groove 25 and the bevel gear 24. The transmission rod 22 drives the swivel 16 through the third tooth groove 2, and the swivel 16 drives the screw 14 to rotate through the block 27 and the stop groove 28, so that multiple screws 14 can rotate at the same time, and the screw 14 is transferred out of the interior of the threaded barrel 15. The screw 14 moves with the clamping block 17, and the clamping block 17 clamps the test object. In this way, there is no need to adjust the height of the clamping mechanism 6, which facilitates the use of the clamping mechanism 6.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include," "comprise," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations. The phrase "includes an element defined by..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liftable Rockwell hardness tester, comprising a body (12), characterized in that: A lifting rod (11) is installed inside the body (12), a placing platform (1) is fixed on the top of the lifting rod (11), a turntable (10) is installed on the outer wall of the lifting rod (11), and a clamping mechanism (6) is installed on the outer wall of the lifting rod (11), the clamping mechanism (6) includes a cylinder (4), multiple support rods (13), multiple threaded cylinders (15), multiple screws (14) and multiple clamping blocks (17), a transmission mechanism (3) is provided on the outer side of the cylinder (4), and the transmission mechanism (3) includes a motor (18), a circular gear (20), a rotating cylinder (23), multiple transmission rods (22) and a rotating ring (16).

2. The liftable Rockwell hardness tester according to claim 1, characterized in that: One end of the support rod (13) is fixedly connected to the outer wall of the cylinder (4), the other end of the support rod (13) is fixedly connected to the outer wall of the threaded cylinder (15), the inner wall of the threaded cylinder (15) is screwed to the outer wall of the screw rod (14), and one end of the screw rod (14) is rotatably connected to the clamping block (17).

3. The liftable Rockwell hardness tester according to claim 2, characterized in that: Fixed blocks (5) are fixed on both sides of the support rod (13), the interior of the fixed block (5) is slidably connected to a limit rod (7), a circular plate (8) is fixed inside the body (12), the lifting rod (11) passes through the circular plate (8), a plurality of fixed plates (9) are fixed to the outer wall of the circular plate (8), and the bottom of the limit rod (7) and the top of the fixed plate (9) are fixedly connected.

4. The liftable Rockwell hardness tester according to claim 3, characterized in that: The outer wall of the cylinder (4) and the inner wall of the rotating drum (23) are rotatably connected, a mounting block (19) is fixed to the outer wall of the cylinder (4), the right side of the mounting block (19) is fixedly connected to the left side of the motor (18), and a circular gear (20) is fixed to the output shaft of the motor (18).

5. The liftable Rockwell hardness tester according to claim 4, characterized in that: A first tooth groove (25) is formed on the outer wall of the rotating drum (23), and a second tooth groove (26) is formed on the outer wall of the rotating drum (23) below the first tooth groove (25). The second tooth groove (26) is meshingly connected to the circular gear (20).

6. The liftable Rockwell hardness tester according to claim 5, characterized in that: The inner side wall of the rotating ring (16) is fixed with two blocks (27) and is screwed to the outer side wall of the screw rod (14). The outer side wall of the screw rod (14) is provided with two block grooves (28). The block (27) is located inside the block grooves (28). The rotating ring (16) and the threaded cylinder (15) are rotationally connected. The outer side wall of the upper transmission rod (22) is transmission-connected to the support rod (13). The outer side wall of the lower transmission rod (22) is rotationally connected to a connecting block (21). The top of the connecting block (21) is fixedly connected to the bottom of the support rod (13). The transmission rod (22), the rotating ring (16) and the rotating cylinder (23) are transmission-connected via a bevel gear (24).

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