Leeb hardness tester clamping structure

Abstract

The utility model discloses a Leeb hardness tester clamping structure which comprises a body, a base arranged at the bottom of the body and used for supporting, a wire arranged on one side of the body and used for connecting, a detection pen arranged at one end of the wire and used for detecting hardness, an adjusting part used for adjusting the detection position of the detection pen and a clamping part used for fixing a workpiece, through the body, the supporting frame, the threaded rod and the moving block, the threaded rod drives the supporting frame to transversely move through the sliding block, the air cylinder can drive the moving block to longitudinally slide in the moving through hole through the telescopic rod, and the problems that an existing device is poor in workpiece fixing stability, a workpiece shakes or disengages, and the workpiece is damaged are solved. And the position of a detection structure cannot be conveniently adjusted, the detection structure cannot conveniently detect different positions of the workpiece, and the detection precision and practicability of the equipment on the workpiece are affected.

Description

Technical Field

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

[0002] Leeb hardness tester is a kind of testing equipment. Its principle is that with the development of monolithic technology, the basic principle is that an impact body with a certain mass impacts the surface of the sample under a certain test force, and the impact velocity and rebound velocity of the impact body at 1mm from the surface of the sample are measured. The electromagnetic principle is used to induce a voltage proportional to the speed. When the Leeb hardness tester is in use, there is no corresponding fixing device, which affects the accuracy of workpiece detection.

[0003] The existing equipment is not equipped with a clamping device for fixing the workpiece, and the stability of the workpiece fixation is poor, causing the workpiece to shake or fall off. In addition, the position of the detection structure cannot be easily adjusted, which makes it inconvenient for the detection structure to detect different positions of the workpiece, affecting the accuracy and practicality of the equipment's detection of the workpiece. Utility Model Content

[0004] The utility model aims to provide a Leeb hardness tester clamping structure to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a Leeb hardness tester clamping structure, comprising a body, a base provided at the bottom of the body for support, a wire provided at one side of the body for connection, a detection pen provided at one end of the wire for detecting hardness, an adjusting component for adjusting the detection position of the detection pen, and a clamping component for fixing the workpiece, wherein the adjusting component comprises sliding grooves respectively provided at both sides of the base for providing sliding space, a sliding block provided at the inner side of the sliding groove for driving, a support frame provided at the outer side of the two sliding blocks for support, a screw rod penetrating the inner side of one of the sliding grooves for driving, a motor provided at one end of the screw rod, a moving block sleeved on the outer side of the detection pen, a moving through hole provided at the top of the support frame for providing a movable space, a cylinder provided at one side of the support frame, and a telescopic rod provided at one side of the cylinder for pushing;

[0006] The sliding block is slidably connected to the sliding groove, the cross-sections of the sliding block and the sliding groove are both "L"-shaped, the screw rod passes through the sliding block and is screwed thereto, the moving block is slidably connected to the moving through hole, and the cross-section of the support frame is U-shaped.

[0007] Preferably, the clamping component includes two fixing grooves opened on the top of the base and located on one side of the support frame, pull rods respectively arranged on the other two sides of the base for driving, a first spring arranged on one side of the fixing groove and located on the outside of the pull rod for squeezing, a fixing block arranged on one side of the fixing groove and located at one end of the pull rod, a supporting block arranged on one side of the fixing block, a fixing plate arranged on one side of the support block, a clamping plate arranged on one side of the fixing plate for fixing the workpiece, and a locking component for preventing the fixing block from moving, the pull rod is slidably connected to the base, the support block is tilted, the fixing block is fixedly connected to the fixing plate through the support block, and the fixing plate is fixedly connected to the clamping plate.

[0008] Preferably, the locking component includes a movable through hole provided on the inner side of the fixed block for providing a movable space, a pad provided on one side of the movable through hole, a driving rod provided on the top of the pad for driving, a second spring provided on the inner side of the movable through hole and located on the outer side of the driving rod for squeezing, a locking block provided on the bottom of the pad for locking, and a plurality of locking grooves evenly arranged at the bottom of the fixed groove, the driving rod is fixedly connected to the pad, the pad is fixedly connected to the locking block, and the pad is slidably connected to the movable through hole.

[0009] Preferably, guide blocks for guiding are respectively provided on both sides of the movable block, guide grooves for providing movable space are respectively provided on both sides of the movable through hole, and the guide blocks are slidably connected to the guide grooves.

[0010] Preferably, the cross-sections of the guide block and the guide groove are both convex-shaped.

[0011] Preferably, an anti-skid pad for fixing is provided on one side of the clamping plate, and a plurality of evenly arranged anti-skid grooves are provided on one side of the anti-skid pad.

[0012] Preferably, the cross-sections of the locking block and the locking groove are both right-angled trapezoids.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model includes a body, a base, a wire, a detection pen, a sliding groove, a sliding block, a support frame, a screw, a motor, a moving block, a moving through hole, a cylinder and a telescopic rod. The sliding block is slidably connected to the sliding groove. The cross-sections of the sliding block and the sliding groove are both "L"-shaped. The screw penetrates the sliding block and is screwed thereto. The moving block is slidably connected to the moving through hole. The cross-section of the support frame is U-shaped. The motor can drive the screw to rotate, so that the screw drives the support frame to move laterally through the sliding block. The cylinder can drive the moving block to slide longitudinally in the moving through hole through the telescopic rod, thereby adjusting the position of the detection pen, so that the detection pen can perform hardness detection on different positions of the workpiece, thereby improving the practicability of the equipment in detecting the workpiece.

[0015] 2. The utility model uses a fixed groove, a pull rod, a first spring, a fixed block, a support block, a fixed plate and a clamping plate. The pull rod is slidably connected to the base, the support block is tilted, the fixed block is fixedly connected to the fixed plate through the support block, and the fixed plate is fixedly connected to the clamping plate. The first spring in the fixed groove can squeeze the fixed block, and then the fixed block can drive the clamping plate on one side of the fixed plate to move through the support block, so that the two clamping plates can clamp and fix the workpiece to prevent the workpiece from moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a front cutaway stereoscopic view of the overall structure of the utility model;

[0018] Figure 3 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0019] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0020] Figure 5 The overall structure of the utility model Figure 3 Enlarged view of point B in the middle.

[0021] In the figure: 1. body; 2. base; 11. wire; 12. detection pen; 13. sliding groove; 14. sliding block; 15. support frame; 16. screw; 17. motor; 18. moving block; 19. moving through hole; 20. cylinder; 21. telescopic rod; 22. fixed groove; 23. pull rod; 24. first spring; 25. fixed block; 26. supporting block; 27. fixed plate; 28. clamping plate; 29. ​​movable through hole; 30. pad; 31. driving rod; 32. second spring; 33. locking block; 34. locking groove; 35. guide block; 36. guide groove; 37. anti-skid pad; 38. anti-skid groove. DETAILED DESCRIPTION

[0022] 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.

[0023] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0024] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0025] like Figures 1 to 5 As shown, a clamping structure of a Leeb hardness tester provided by an embodiment of the utility model comprises a body 1, a base 2 provided at the bottom of the body 1 for support, a wire 11 provided at one side of the body 1 for connection, a detection pen 12 provided at one end of the wire 11 for detecting hardness, an adjusting component for adjusting the detection position of the detection pen 12, and a clamping component for fixing a workpiece, wherein the adjusting component comprises sliding grooves 13 respectively provided on both sides of the base 2 for providing sliding space, a sliding block 14 provided on the inner side of the sliding groove 13 for driving, a support frame 15 provided on the outer side of the two sliding blocks 14 for support, a screw 16 running through the inner side of one of the sliding grooves 13 for driving, a motor 17 provided at one end of the screw 16, a moving block 18 sleeved on the outer side of the detection pen 12, a moving through hole 19 provided at the top of the support frame 15 for providing a movable space, a cylinder 20 provided on one side of the support frame 15, and a telescopic rod 21 provided on one side of the cylinder 20 for pushing;

[0026] The sliding block 14 is slidably connected to the sliding groove 13, and the cross-sections of the sliding block 14 and the sliding groove 13 are both "L"-shaped. The screw 16 passes through the sliding block 14 and is screwed thereto. The moving block 18 is slidably connected to the moving through hole 19, and the cross-section of the support frame 15 is U-shaped.

[0027] refer to Figure 4 The clamping component includes two fixed grooves 22 opened on the top of the base 2 and located on one side of the support frame 15, pull rods 23 respectively arranged on the other two sides of the base 2 for driving, a first spring 24 arranged on one side of the fixed groove 22 and located on the outside of the pull rod 23 for squeezing, a fixed block 25 arranged on one side of the fixed groove 22 and located at one end of the pull rod 23, a support block 26 arranged on one side of the fixed block 25, a fixed plate 27 arranged on one side of the support block 26, a clamping plate 28 arranged on one side of the fixed plate 27 for fixing the workpiece, and a locking component for preventing the fixed block 25 from moving, the pull rod 23 is slidably connected to the base 2, the support block 26 is tilted, the fixed block 25 is fixedly connected to the fixed plate 27 through the support block 26, and the fixed plate 27 is fixedly connected to the clamping plate 28.

[0028] The above scheme is adopted: through the fixed groove 22, the pull rod 23, the first spring 24, the fixed block 25, the support block 26, the fixed plate 27 and the clamping plate 28, the pull rod 23 is slidably connected to the base 2, the support block 26 is tilted, the fixed block 25 is fixedly connected to the fixed plate 27 through the support block 26, and the fixed plate 27 is fixedly connected to the clamping plate 28. The first spring 24 in the fixed groove 22 can squeeze the fixed block 25, and then the fixed block 25 can drive the clamping plate 28 on one side of the fixed plate 27 to move through the support block 26, so that the two clamping plates 28 can clamp and fix the workpiece to prevent the workpiece from moving.

[0029] refer to Figure 4 The locking components include a movable through hole 29 provided on the inner side of the fixed block 25 for providing a movable space, a pad 30 provided on one side of the movable through hole 29, a driving rod 31 provided on the top of the pad 30 for driving, a second spring 32 provided on the inner side of the movable through hole 29 and located on the outer side of the driving rod 31 for squeezing, a locking block 33 provided on the bottom of the pad 30 for locking, and a plurality of locking grooves 34 evenly arranged at the bottom of the fixed groove 22, the driving rod 31 is fixedly connected to the pad 30, the pad 30 is fixedly connected to the locking block 33, and the pad 30 is slidably connected to the movable through hole 29.

[0030] The above scheme is adopted: through the movable through hole 29, the pad 30, the driving rod 31, the second spring 32, the locking block 33 and the locking groove 34, the driving rod 31 is fixedly connected to the pad 30, the pad 30 is fixedly connected to the locking block 33, the pad 30 is slidably connected to the movable through hole 29, the second spring 32 in the movable through hole 29 can squeeze the pad 30, and then the pad 30 squeezes the locking block 33 to embed into the locking groove 34, the locking block 33 can lock and fix the fixed block 25 to prevent the fixed block 25 from moving in the opposite direction after fixing the workpiece, thereby improving the stability of the fixed block 25 driving the clamping plate 28 to squeeze and fix the workpiece through the support block 26.

[0031] refer to Figure 5 The movable block 18 is provided with guide blocks 35 on both sides for guiding, and the movable through hole 29 is provided with guide grooves 36 on both sides for providing movable space, and the guide blocks 35 are slidably connected with the guide grooves 36.

[0032] The above solution is adopted: through the guide block 35 and the guide groove 36, the guide block 35 is slidably connected with the guide groove 36, and the guide block 35 can support and guide the moving block 18, thereby improving the stability of the telescopic rod 21 driving the moving block 18 to slide in the moving through hole 19.

[0033] refer to Figure 5 The cross sections of the guide block 35 and the guide groove 36 are both convex-shaped.

[0034] By adopting the above solution, the cross-sections of the guide block 35 and the guide groove 36 are both convex, so that the contact area between the guide block 35 and the guide groove 36 can be increased, and the stability of the guiding and supporting of the moving block 18 can be improved.

[0035] refer to Figure 4 One side of the clamping plate 28 is provided with an anti-skid pad 37 for fixing, and one side of the anti-skid pad 37 is provided with a plurality of evenly arranged anti-skid grooves 38 .

[0036] The above solution is adopted: through the anti-skid pad 37 and the anti-skid groove 38, the anti-skid groove 38 can increase the contact area between the anti-skid pad 37 and the workpiece, and the anti-skid pad 37 can improve the anti-skid property of the clamping plate 28 fixing the workpiece.

[0037] refer to Figure 4 The cross-sections of the locking block 33 and the locking groove 34 are both right-angled trapezoids.

[0038] By adopting the above scheme: the cross-sections of the locking block 33 and the locking groove 34 are both right-angled trapezoids, and the locking block 33 contacts the inclined surface of the locking groove 34, which can facilitate the movement of the locking block 33 in the locking groove 34 and improve the convenience of the fixed block 25 driving the locking block 33 to slide in the fixed groove 22.

[0039] The working principle of this utility model:

[0040] First, place the workpiece between the two clamping plates 28 at the top of the base 2, and then slowly release the pull rod 23. At this time, the first spring 24 squeezes the fixed block 25, and then the fixed block 25 drives the clamping plate 28 on one side of the fixed plate 27 to move through the support block 26. At the same time, the fixed block 25 drives the locking block 33 to slide in the fixed groove 22. At this time, the second spring 32 in the movable through hole 29 squeezes the pad 30, and then the pad 30 squeezes the locking block 33 and embeds it into the locking groove 34. At this time, the locking block 33 locks and fixes the fixed block 25, and at the same time, the fixed block 25 drives the clamping plate 28 on one side of the fixed plate 27 to squeeze the workpiece through the support block 26. Stable clamping and fixing are performed, and at the same time, the clamping plate 28 drives the anti-slip pad 37 to fit closely with the workpiece, and then the motor 17 is started to drive the screw 16 to rotate. At this time, the screw 16 drives the support frame 15 to move horizontally through the sliding block 14, and then the cylinder 20 is started to drive the moving block 18 to slide longitudinally in the moving through hole 19 through the telescopic rod 21. At the same time, the moving block 18 drives the guide block 35 to slide in the guide groove 36, thereby adjusting the position of the detection pen 12, so that the detection pen 12 can perform hardness detection on different positions of the workpiece, and then the data is transmitted to the main body 1 after the workpiece is detected by the detection pen 12.

[0041] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A clamping structure for a Leeb hardness tester, comprising a body (1), a base (2) provided at the bottom of the body (1) for support, a wire (11) provided at one side of the body (1) for connection, a detection pen (12) provided at one end of the wire (11) for detecting hardness, an adjusting component for adjusting the detection position of the detection pen (12), and a clamping component for fixing a workpiece, characterized in that: The adjusting component comprises sliding grooves (13) respectively provided on both sides of the base (2) for providing sliding space, a sliding block (14) provided inside the sliding groove (13) for driving, a support frame (15) provided outside the two sliding blocks (14) for supporting, a screw rod (16) penetrating the inside of one of the sliding grooves (13) for driving, a motor (17) provided at one end of the screw rod (16), a moving block (18) sleeved on the outside of the detection pen (12), a moving through hole (19) provided on the top of the support frame (15) for providing a moving space, a cylinder (20) provided on one side of the support frame (15), and a telescopic rod (21) provided on one side of the cylinder (20) for pushing; The sliding block (14) is slidably connected to the sliding groove (13); the cross-sections of the sliding block (14) and the sliding groove (13) are both L-shaped; the screw rod (16) passes through the sliding block (14) and is screwed thereto; the moving block (18) is slidably connected to the moving through hole (19); and the cross-section of the support frame (15) is U-shaped.

2. A Leeb hardness tester clamping structure according to claim 1, characterized in that: The clamping component comprises two fixing grooves (22) opened at the top of the base (2) and located on one side of the support frame (15), pull rods (23) respectively arranged on the other two sides of the base (2) for driving, a first spring (24) arranged on one side of the fixing groove (22) and located on the outside of the pull rod (23) for squeezing, a fixing block (25) arranged on one side of the fixing groove (22) and located at one end of the pull rod (23), a supporting block (26) arranged on one side of the fixing block (25), a fixing plate (27) arranged on one side of the supporting block (26), a clamping plate (28) arranged on one side of the fixing plate (27) for fixing the workpiece, and a locking component for preventing the fixing block (25) from moving, wherein the pull rod (23) is slidably connected to the base (2), the supporting block (26) is tilted, the fixing block (25) is fixedly connected to the fixing plate (27) via the supporting block (26), and the fixing plate (27) is fixedly connected to the clamping plate (28).

3. A Leeb hardness tester clamping structure according to claim 2, characterized in that: The locking component comprises a movable through hole (29) provided on the inner side of the fixed block (25) for providing a movable space, a pad (30) provided on one side of the movable through hole (29), a driving rod (31) provided on the top of the pad (30) for driving, a second spring (32) provided on the inner side of the movable through hole (29) and located on the outer side of the driving rod (31) for pressing, a locking block (33) provided on the bottom of the pad (30) for locking, and a plurality of locking grooves (34) evenly arranged at the bottom of the fixed groove (22), wherein the driving rod (31) is fixedly connected to the pad (30), the pad (30) is fixedly connected to the locking block (33), and the pad (30) is slidably connected to the movable through hole (29).

4. A Leeb hardness tester clamping structure according to claim 3, characterized in that: Guide blocks (35) for guiding are respectively provided on both sides of the moving block (18), guide grooves (36) for providing a movable space are respectively provided on both sides of the movable through hole (29), and the guide blocks (35) are slidably connected to the guide grooves (36).

5. A Leeb hardness tester clamping structure according to claim 4, characterized in that: The guide block (35) and the guide groove (36) both have cross sections in the shape of a "convex" character.

6. A Leeb hardness tester clamping structure according to claim 2, characterized in that: An anti-skid pad (37) for fixing is provided on one side of the clamping plate (28), and a plurality of evenly arranged anti-skid grooves (38) are provided on one side of the anti-skid pad (37).

7. The Leeb hardness tester clamping structure according to claim 3, characterized in that: The locking block (33) and the locking groove (34) both have right-angled trapezoidal cross sections.

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