Adjustable clamping mechanism

Abstract

The utility model discloses an adjustable clamping mechanism which comprises a supporting frame, a clamping table is arranged above the supporting frame, a storage groove is formed in the top of the supporting frame, the bottom of the clamping table is fixedly connected with an adjusting block which is in nested sliding fit with the storage groove, and an adjusting mechanism is arranged between the supporting frame and the adjusting block. A fixed clamping frame is fixedly connected to one side of the top of the clamping table, a movable clamping frame is arranged on one side of the top of the clamping table, a fixed seat is fixedly connected to one side of the top of the clamping table, a second threaded groove is formed in the fixed seat, and a second screw in threaded fit with the second threaded groove is rotationally connected to the movable clamping frame. According to the pipe fitting clamping device, through the arrangement of the fixing base, the second threaded groove, the second threaded rod, the second rotating disc, the second handle, the movable clamping frame, the fixed clamping frame and other structures, a stable clamping mechanism can be formed, in this way, a pipe fitting structure can be stably clamped and fixed, and machining operation of a pipe fitting is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to an adjustable clamping mechanism. Background Art

[0002] The clamping mechanism is a tool used to fix the workpiece. During the processing of the workpiece, in order to ensure the stability of the operation, the workpiece needs to be clamped to ensure the stability of the subsequent operation. The clamping mechanism of the prior art is usually inconvenient for clamping and fixing pipes. Since pipes are easily displaced during the clamping process, the clamping mechanism is usually not convenient to use. In addition, the height of the existing clamping mechanism is usually not convenient to adjust. People of different heights are not convenient to operate when processing pipes. In view of the shortcomings of the prior art;

[0003] The existing publication number is: CN219704027U, which is a height-adjustable clamping mechanism, including a sleeve seat, a plug-in positioning block is movably connected inside the sleeve seat, a lifting platform is provided on the top of the plug-in positioning block, a column is provided on the lifting platform, and a clamping seat is provided on the column. In view of its overall structure, although the pipe parts can be stably clamped, it is not convenient to rotate the pipe parts. When the surface position of a pipe needs to be rotated during pipe surface processing or fixed position drilling, the clamping structure can only be operated to loosen the pipe first, and then the pipe is rotated. After the rotation adjustment is completed, the pipe can be clamped again to complete the overall adjustment work. The operation is very troublesome and lacks convenience in use. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an adjustable clamping mechanism.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an adjustable clamping mechanism, including a support frame, a clamping platform is arranged above the support frame, and a storage groove is arranged on the top of the support frame, an adjusting block is fixedly connected to the bottom of the clamping platform and is nested and slidably matched with the storage groove, an adjusting mechanism is arranged between the support frame and the adjusting block, a fixed clamping frame is fixedly connected to the top side of the clamping platform, and a mobile clamping frame is arranged on the top side of the clamping platform, a fixed seat is fixedly connected to the top side of the clamping platform, a threaded groove 2 is arranged on the fixed seat, a screw rod 2 that is threadably matched with the threaded groove 2 is rotatably connected to the mobile clamping frame, and one end of the screw rod 2 is fixedly connected to Turntable 2, handle 2 is provided on the turntable 2, fixed grooves are provided on the upper and lower parts on the opposite sides of the outer surfaces of the fixed clamping frame and the movable clamping frame, and rotating guide rollers are rotatably connected in the four fixed grooves, a positioning groove 1 is provided on the upper half of the fixed clamping frame, and a worm gear is nested and fixedly connected on the outer surface of the central axis of the rotating guide roller of the upper half of the fixed clamping frame, and is located in the positioning groove 1 and is nested and fixedly connected, a positioning groove 2 connected with the positioning groove 1 is provided in the fixed clamping frame, a worm gear meshing with the worm gear is rotatably connected in the positioning groove 2, a fixed notch is provided on the top of the fixed clamping frame, a rotating block is fixedly connected to the top of the worm gear and is located in the fixed notch, and a handle rod is provided on the rotating block.

[0006] As a further description of the above technical solution:

[0007] The adjusting mechanism comprises a screw rod rotatably connected in the storage groove and a thread groove 1 arranged at the bottom of the adjusting block, the screw rod and the thread groove 1 are threadedly matched, an inner groove is arranged in the support frame, a transverse bevel gear is fixedly connected to the bottom end of the screw rod and located in the inner groove, a longitudinal bevel gear is meshedly connected to the transverse bevel gear, a turntable 1 is fixedly connected to the central axis of the longitudinal bevel gear, and a handle 1 is fixedly connected to one side of the outer surface of the turntable 1 near the edge.

[0008] As a further description of the above technical solution:

[0009] The regulating block is fixedly connected with a limiting sliding block, and the inner wall of the storage groove is provided with a limiting sliding groove which is nested and slidably matched with the limiting sliding block.

[0010] As a further description of the above technical solution:

[0011] The opposite sides of the outer surfaces of the fixed clamping frame and the movable clamping frame are both arranged in a V-shape.

[0012] As a further description of the above technical solution:

[0013] A guide groove is arranged on the top of the clamping platform, and a guide block which is nested and slidably matched with the guide groove is fixedly connected to the bottom of the movable clamping frame.

[0014] As a further description of the above technical solution:

[0015] The outer surfaces of the four rotating guide rollers are all provided with a rubber surface layer.

[0016] As a further description of the above technical solution:

[0017] A receiving groove is arranged on the top of the rotating block, a fixed block is fixedly connected to one side of the bottom of the inner wall of the receiving groove, and the handle rod is rotatably connected to the fixed block.

[0018] The utility model has the following beneficial effects:

[0019] The adjustable clamping mechanism can form a stable clamping mechanism through the arrangement of a fixed seat, two threaded grooves, two screws, two turntables, two handles, a movable clamping frame, a fixed clamping frame and other structures, so that the pipe structure can be stably clamped and fixed, which is convenient for the processing operation of the pipe. Through the arrangement of a rotating guide rail, a worm gear, a worm, a rotating block, a handle rod and other structures, the clamped pipe body can be conveniently rotated, so that the pipe body can be rotated without opening the clamping structure to meet the clamping requirements in different directions. The structure is simple to operate and flexible and convenient to use. Through the arrangement of a storage slot, an adjustment block and an adjustment mechanism, the position height of the clamping table can be conveniently adjusted to meet the processing operation requirements at different heights and to adapt to users of different heights for convenient use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of an adjustable clamping mechanism proposed by the utility model;

[0021] Figure 2 This is a front view of an adjustable clamping mechanism proposed by the utility model;

[0022] Figure 3 The utility model provides an adjustable clamping mechanism Figure 2 A is an enlarged view of the middle image.

[0023] Legend:

[0024] 1. Support frame; 2. Clamping table; 3. Storage slot; 4. Adjustment block; 5. Screw rod one; 6. Thread groove one; 7. Inner groove; 8. Horizontal bevel gear; 9. Longitudinal bevel gear; 10. Turntable one; 11. Handle one; 12. Limit slider; 13. Limit slide slot; 14. Fixed clamping frame; 15. Mobile clamping frame; 16. Fixed seat; 17. Thread groove two; 18. Screw rod two; 19. Turntable two; 20. Handle two; 21. Guide slot; 22. Guide block; 23. Fixed slot; 24. Rotating guide roller; 25. Rubber surface; 26. Positioning slot one; 27. Worm wheel; 28. Positioning slot two; 29. ​​Worm; 30. Fixed notch; 31. Rotating block; 32. Handle rod; 33. Storage slot; 34. Fixed block. 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] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Reference Figure 1-3The utility model provides an embodiment: an adjustable clamping mechanism, including a support frame 1, a clamping platform 2 is arranged above the support frame 1, and a storage groove 3 is arranged on the top of the support frame 1, and an adjusting block 4 that is nested and slidably matched with the storage groove 3 is fixedly connected to the bottom of the clamping platform 2, and an adjusting mechanism is arranged between the support frame 1 and the adjusting block 4, and the adjusting mechanism can drive the adjusting block 4 to extend or contract, so that the position height of the entire clamping platform 2 can be conveniently adjusted to meet the processing operation requirements of pipe fittings of different heights, and can be used by users of different heights, and a fixed clamping frame 14 is fixedly connected to one side of the top of the clamping platform 2 , and a mobile clamping frame 15 is provided on one side of the top of the clamping platform 2, and the fixed clamping frame 14 and the outer surface opposite to the mobile clamping frame 15 are both set in a V-shaped form, so that the two clamping frames are close to each other and can achieve stable clamping and fixing of the pipe fittings, and a fixed seat 16 is fixedly connected to one side of the top of the clamping platform 2, and a thread groove 17 is provided on the fixed seat 16, and a screw rod 18 threadedly matched with the thread groove 17 is rotatably connected to the mobile clamping frame 15, and a turntable 19 is fixedly connected to one end of the screw rod 18, and a handle 20 is provided on the turntable 19, and the handle 20 is located on one side of the outer surface of the turntable 19 near the edge The fixed clamping frame 14 is provided with a fixed groove 23 on the upper and lower parts of the opposite side of the upper outer surface of the mobile clamping frame 15, and the four fixed grooves 23 are rotatably connected with the rotating guide rollers 24. The upper half of the fixed clamping frame 14 is provided with a positioning groove 26, and the outer surface of the central axis of the rotating guide roller 24 of the upper half of the fixed clamping frame 14 is located in the positioning groove 26 and is nested and fixedly connected with a worm gear 27. The fixed clamping frame 14 is provided with a positioning groove 28 connected with the positioning groove 26, and the positioning groove 28 is rotatably connected with a worm 29 meshing with the worm gear 27. The top of the fixed clamping frame 14 is provided with a fixed groove The top of the worm 29 is fixedly connected with a rotating block 31 in the fixed recess 30. The rotating block 31 is provided with a handle rod 32. By grasping the handle rod 32 and rotating it around the center position of the rotating block 31, the rotating block 31 can be driven to rotate. The rotating block 31 drives the worm 29 to rotate. The worm 29 drives the worm wheel 27 to rotate. The worm wheel 27 drives the rotating guide roller 24 at the corresponding position to rotate. The rotating guide roller 24 can drive the tube body to rotate. In cooperation with the other three rotating guide rollers 24, the stability of the rotation of the tube body can be guaranteed. At the same time, the worm wheel 27 and the worm 29 have a self-locking effect, so that the tube body will not rotate at will during processing.

[0028] The adjusting mechanism includes a screw rod 5 rotatably connected in the storage groove 3 and a thread groove 6 arranged at the bottom of the adjusting block 4. The screw rod 5 and the thread groove 6 are threadedly matched. An inner groove 7 is arranged in the support frame 1. A transverse bevel gear 8 is fixedly connected to the bottom end of the screw rod 5 and located in the inner groove 7. A longitudinal bevel gear 9 is meshed and connected to the transverse bevel gear 8. A turntable 10 is fixedly connected to the central axis of the longitudinal bevel gear 9. A handle 11 is fixedly connected to one side of the outer surface of the turntable 10 near the edge. The handle 11 is grasped to drive the turntable 10 to rotate, and the turntable 10 drives the screw rod 5 to rotate. The screw rod 5 can drive the adjusting block 4 to move up and down by cooperating with the thread groove 6.

[0029] A limiting slider 12 is fixedly connected to the adjusting block 4, and the inner wall of the storage groove 3 is provided with a limiting slide groove 13 which is nested and slidably matched with the limiting slider 12. The setting of this structure can not only guide the lifting and lowering of the adjusting block 4, but also have a limiting and anti-slip effect.

[0030] A guide groove 21 is provided on the top of the clamping platform 2, and a guide block 22 which is nested and slidably matched with the guide groove 21 is fixedly connected to the bottom of the mobile clamping frame 15. The setting of the guide structure can ensure the smooth movement of the mobile clamping frame 15.

[0031] The outer surfaces of the four rotating guide rollers 24 are all provided with a rubber surface layer 25. The rubber material on the surface of the rotating guide roller 24 can ensure that when the clamping frame structure clamps the tube body, it can reduce the extrusion wear at the clamping position and reduce the extrusion damage to the surface of the tube body. At the same time, the rubber material is wear-resistant and durable, which can enhance the durability of the structure.

[0032] A storage groove 33 is provided on the top of the rotating block 31, and a fixed block 34 is fixedly connected to one side of the bottom of the inner wall of the storage groove 33. The handle rod 32 and the fixed block 34 are rotatably connected. The setting of this structure can enable the handle rod 32 to be normally connected with the rotating block 31, thereby normally driving the rotating block 31 to rotate. At the same time, when not in use, the handle rod 32 can be stored. Combined with the setting of the fixed recess 30, the operating structure part of the worm 29 can be built-in, which can avoid the situation where the structure is offset due to accidental contact, thereby ensuring the stability and safety of the structure.

[0033] Working principle: When using the adjustable clamping mechanism, place the tube to be processed between the fixed clamping frame 14 and the mobile clamping frame 15, grasp the handle 20 to drive the turntable 2 19 to rotate, the turntable 2 19 drives the screw 2 18 to rotate, and the screw 2 18 can push the mobile clamping frame 15 close to the fixed clamping frame 14 by cooperating with the thread groove 2 17, so that the four rotating guide rollers 24 fit and squeeze onto the surface of the tube body, so that the tube body can be clamped and fixed, which is convenient for the processing operation of the tube body. When the tube body needs to be rotated to adjust the position, grasp the handle 32 to drive the rotating block 31 to rotate, the rotating block 31 drives the worm 29 to rotate, the worm 29 drives the worm wheel 27 to rotate, and the worm wheel 27 drives one of the rotating guide rollers 24 to rotate, and cooperate with the other three rotating guide rollers 24 to smoothly drive the tube body to rotate, so that the convenient rotation adjustment operation of the tube body can be realized.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. An adjustable clamping mechanism, comprising a support frame (1), characterized in that: A clamping platform (2) is arranged above the support frame (1), and a storage groove (3) is arranged on the top of the support frame (1). An adjusting block (4) which is nested and slidably matched with the storage groove (3) is fixedly connected to the bottom of the clamping platform (2). An adjusting mechanism is arranged between the support frame (1) and the adjusting block (4). A fixed clamping frame (14) is fixedly connected to one side of the top of the clamping platform (2), and a movable clamping frame (15) is arranged on one side of the top of the clamping platform (2). A fixed seat (16) is fixedly connected to one side of the top of the clamping platform (2). A second thread groove (17) is arranged on the fixed seat (16). A second screw rod (18) which is threadably matched with the second thread groove (17) is rotatably connected to the movable clamping frame (15). One end of the second screw rod (18) is fixedly connected to a second turntable (19). A second handle (20) is arranged on the second turntable (19). The fixed clamping frame (14) is fixedly connected to one side of the top of the clamping platform (2). ) is provided with a fixing groove (23) on the upper and lower parts of the side opposite to the upper outer surface of the movable clamping frame (15), and the four fixing grooves (23) are rotatably connected to the rotating guide rollers (24), the upper half of the fixed clamping frame (14) is provided with a positioning groove (26), and the outer surface of the central axis of the rotating guide roller (24) of the upper half of the fixed clamping frame (14) is located in the positioning groove (26) and is nested and fixedly connected with a worm wheel (27), the fixed clamping frame (14) is provided with a positioning groove (28) connected to the positioning groove (26), and a worm (29) meshing with the worm wheel (27) is rotatably connected in the positioning groove (28), the top of the fixed clamping frame (14) is provided with a fixing notch (30), and a rotating block (31) is fixedly connected to the top of the worm (29) and located in the fixing notch (30), and a handle rod (32) is provided on the rotating block (31).

2. An adjustable clamping mechanism according to claim 1, characterized in that: The adjustment mechanism comprises a screw rod (5) rotatably connected in the storage groove (3) and a thread groove (6) arranged at the bottom of the adjustment block (4); the screw rod (5) and the thread groove (6) are threadedly matched; an inner groove (7) is arranged in the support frame (1); a transverse bevel gear (8) is fixedly connected at the bottom end of the screw rod (5) and located in the inner groove (7); a longitudinal bevel gear (9) is meshedly connected to the transverse bevel gear (8); a turntable (10) is fixedly connected to the central axis of the longitudinal bevel gear (9); and a handle (11) is fixedly connected to one side of the outer surface of the turntable (10) near the edge.

3. An adjustable clamping mechanism according to claim 2, characterized in that: The regulating block (4) is fixedly connected to a limiting slide block (12), and the inner wall of the storage groove (3) is provided with a limiting slide groove (13) which is nested and slidably matched with the limiting slide block (12).

4. The adjustable clamping mechanism according to claim 1, characterized in that: The opposite sides of the outer surfaces of the fixed clamping frame (14) and the movable clamping frame (15) are both arranged in a V-shape.

5. The adjustable clamping mechanism according to claim 1, characterized in that: The top of the clamping platform (2) is provided with a guide groove (21), and the bottom of the movable clamping frame (15) is fixedly connected with a guide block (22) which is nested and slidably matched with the guide groove (21).

6. The adjustable clamping mechanism according to claim 1, characterized in that: The outer surfaces of the four rotating guide rollers (24) are all provided with a rubber surface layer (25).

7. The adjustable clamping mechanism according to claim 1, characterized in that: A receiving groove (33) is provided on the top of the rotating block (31), a fixed block (34) is fixedly connected to one side of the bottom of the inner wall of the receiving groove (33), and the handle rod (32) and the fixed block (34) are rotatably connected.

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