CN221088119U

CN221088119U - Clamping tool for tubular machined parts

Info

Publication number: CN221088119U
Application number: CN202323086146.6U
Authority: CN
Inventors: 钭伟勇
Original assignee: Shaowu Yichuang Machinery Co ltd
Current assignee: Shaowu Yichuang Machinery Co ltd
Priority date: 2023-11-15
Filing date: 2023-11-15
Publication date: 2024-06-07
Anticipated expiration: 2033-11-15

Abstract

The utility model relates to the technical field of clamping tools for tubular workpieces, and discloses a clamping tool for tubular workpieces, which comprises a platform, wherein a clamping mechanism is arranged at the top of the platform, a pre-positioning mechanism is arranged at the top of the platform, a rotating threaded rod B changes the position of a fixed block to drive a rotating ring to rotate, the rotating block is slidably arranged outside a rotating rod to change the position of three rotating rods, so that three rollers clamp a circular tube, the stress is more uniform, a second motor is started to enable a conical gear A to rotate to drive the conical gear B to rotate to drive the rollers to rotate, the circular tube is enabled to rotate, various operations are facilitated on the circular tube, a rotating handle is rotated according to the size of the clamped circular tube, a worm disc is meshed with a rack to drive a sliding column B to lift one end of the circular tube, an operator can pre-position the circular tube by holding one end, the circular tube is more labor-saving, and the bottommost roller has no pressure, so that the service life of the clamping mechanism is prolonged.

Description

Clamping tool for tubular machined parts

Technical Field

The utility model relates to the technical field of clamping tools for tubular workpieces, in particular to a clamping tool for a tubular workpiece.

Background

In workshop processing production, operations such as drilling are often required to be performed on a tubular workpiece, and when drilling is performed, the tubular workpiece is subjected to downward pressure of a drill, and the other end of the tubular workpiece is easily deviated, so that the product processing precision is reduced, and therefore, a new clamping tool for the tubular workpiece is required to be provided.

The utility model relates to a tubular part clamping device (the authorized bulletin number is CN 215903098U) disclosed in a patent net, which comprises a bottom plate, a left clamping tool and a right clamping tool. The left clamping tool and the right clamping tool are fixed on the bottom plate, and the design structures of the left clamping tool and the right clamping tool are identical. For the left clamping tool, the first side top assembly, the second side top assembly and the third side top assembly are circumferentially and uniformly distributed around the theoretical central axis of the pre-clamping tubular piece. The first side top assembly and the second side top assembly are assembled on the supporting seat, and radial sliding movement is executed under the action of driving force of the jacking mechanism. The third side roof component is fixed on the roll-over stand. The roll-over stand is hinged on the supporting seat, and the posture is locked by the locking component. When the first side top component and the second side top component are adjusted to be in place relative to the supporting seat in a radial displacement mode, and the third side top component is turned to be in place relative to the supporting seat along with the turning frame, the first side top component, the second side top component and the third side top component are simultaneously in contact with the outer side wall of the tubular piece in a propping mode. ".

With respect to the above description, the applicant believes that the following problems exist:

In the use process, the tubular piece is supported and clamped by the left clamping tool and the right clamping tool, however, when the device is used and the rotation angle operation is needed for the tubular piece, the clamping assembly is required to be loosened for rotation and reclamping, the clamping positions cannot be ensured to be consistent, and the shorter tubular piece cannot be clamped by the device, so that the device has certain limitation, and the clamping tool of a tubular workpiece is required to be changed to solve the problems.

Disclosure of utility model

The utility model aims to provide a clamping tool for tubular workpieces, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tubular machined part's centre gripping frock, includes the platform, the right side fixed mounting of platform has first motor, the output fixed mounting of first motor has threaded rod A, the top of platform is provided with fixture, the top of platform is provided with pre-positioning mechanism.

The clamping mechanism comprises two clamping assemblies and a rotating assembly, wherein the clamping assemblies are arranged at the top of the platform, and the rotating assembly is arranged in the platform.

Preferably, the clamping assembly comprises a fixing plate, the fixing plate is fixedly arranged at the top of the platform, a functional plate is fixedly arranged at the top of the fixing plate, a rotating ring is arranged in the functional plate in a rotating mode, three fixing columns A are fixedly arranged on the left side of the functional plate, a rotating rod is arranged in the fixing columns A in a rotating mode, three rotating blocks are arranged in the rotating ring in a rotating mode, rollers are arranged in the rotating rod in a rotating mode, fixing blocks are fixedly arranged outside the rotating ring in a rotating mode, rectangular blocks are arranged in the fixing blocks in a rotating mode, sliding blocks are arranged in the functional plate in a sliding mode, threaded rods B are arranged in the sliding blocks in a rotating mode, and the rotating rings are driven to rotate through position changes of the fixing blocks.

Preferably, the threaded rod B is arranged in the rectangular block in a threaded manner, the rotating block is arranged outside the rotating rod in a sliding manner, and the positions of the three rotating rods are changed, so that the three rollers clamp the round pipe.

Preferably, the rotating assembly comprises an electric telescopic rod, a rectangular column A is fixedly arranged at the output end of the electric telescopic rod, a sliding column A is arranged in the rectangular column A in a sliding mode, a second motor is fixedly arranged on the front face of the sliding column A, a bevel gear A is fixedly arranged at the output end of the second motor, a bevel gear B is meshed with the outer portion of the bevel gear A, a connecting rod is fixedly arranged in the bevel gear B, a functional block is fixedly arranged on the right side of the rectangular column A, two limiting rods are arranged in the functional block in a sliding mode, a sliding ring is fixedly arranged on the outer portion of the limiting rods, a spring is fixedly arranged on one side, close to the functional block, of the sliding ring, and a clamping block is fixedly arranged at one end, far away from the functional block, of the limiting rods, and is fixed after being fixed in height, so that the rotating assembly is stable.

Preferably, holes are formed in the corresponding positions of the rectangular column A, the sliding column A and the clamping block, the clamping block is clamped in the holes, one end of the spring, which is far away from the sliding ring, is fixedly installed with the functional block, and the connecting rod penetrates through the sliding column A and one of the rollers to be fixedly installed, so that the round tube rotates, inconvenience in related operation of manual rotation is solved, and various operations on the round tube are facilitated.

Preferably, the pre-positioning mechanism comprises a fixed column B, the fixed column B is fixedly arranged at the top of the platform, a sliding column B is slidably arranged in the fixed column B, a supporting block is fixedly arranged at the top of the sliding column B, a supporting frame is fixedly arranged outside the fixed column B, a disc is fixedly arranged on the left side of the supporting frame, a worm disc is rotatably arranged outside the disc, a rotating handle is fixedly arranged on the left side of the worm disc, and the worm disc is driven to rotate.

Preferably, the radian of the supporting block is concentric with the clamping center of the clamping mechanism, a rack is fixedly arranged outside the sliding column B, and the rack is meshed with the worm wheel to drive the sliding column B to lift.

Compared with the prior art, the utility model provides a clamping tool for tubular workpieces, which has the following beneficial effects:

1. This tubular machined part's centre gripping frock rotates threaded rod B and makes rectangular piece screw thread installation outside threaded rod B for fixed block position changes and drives the swivel becket and rotate, make swivel becket slidable mounting on the outside position that changes three bull stick of bull stick, make three roller carry out the centre gripping to the pipe, make the atress more even and centre gripping keep unanimous, start the second motor and make conical gear A rotate and drive conical gear B and rotate, drive the roller and rotate, make the pipe rotate, the inconvenience when having solved manual rotation and carrying out relevant operation, be convenient for carry out each item operation to the pipe.

2. This tubular machined part's centre gripping frock rotates the commentaries on classics according to the size of centre gripping pipe and makes worm wheel and rack meshing, drives slip post B and goes up and down for the supporting shoe lifts up pipe one end, makes operating personnel hold one end and can advance the position to the pipe, and is comparatively laborsaving, and makes the pipe have pressure to the roller of bottommost, makes fixture life increase.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic view of the appearance structure of the present utility model;

FIG. 2 is a schematic view of a clamping mechanism according to the present utility model;

FIG. 3 is a schematic view of the rectangular block and the mechanism thereof according to the present utility model;

FIG. 4 is a schematic view of a rotating assembly according to the present utility model;

FIG. 5 is a schematic view of the structure of the pre-positioning mechanism of the present utility model.

In the figure: 1. a platform; 2. a first motor; 3. a threaded rod A; 4. a clamping mechanism; 41. a clamping assembly; 411. a fixing plate; 412. a function board; 413. a rotating ring; 414. fixing the column A; 415. a rotating rod; 416. a rotating block; 417. a roller; 418. a fixed block; 419. rectangular blocks; 4110. a slide block; 4111. a threaded rod B; 42. a rotating assembly; 421. rectangular columns A; 422. a sliding column A; 423. a second motor; 424. a conical gear A; 425. a bevel gear B; 426. a connecting rod; 427. a functional block; 428. a limit rod; 429. a slip ring; 4210. a spring; 4211. a clamping block; 4212. an electric telescopic rod; 5. a pre-positioning mechanism; 51. fixing the column B; 52. a sliding column B; 53. a support block; 54. a support frame; 55. a disc; 56. a volute; 57. a rotating handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment one:

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a tubular machined part's centre gripping frock, includes platform 1, and the right side fixed mounting of platform 1 has first motor 2, and the output fixed mounting of first motor 2 has threaded rod A3, and the top of platform 1 is provided with fixture 4, and the top of platform 1 is provided with pre-positioning mechanism 5.

The clamping mechanism 4 comprises two clamping assemblies 41 and a rotating assembly 42, wherein the clamping assemblies 41 are arranged on the top of the platform 1, and the rotating assembly 42 is arranged inside the platform 1.

Further, the clamping assembly 41 includes a fixing plate 411, the fixing plate 411 is fixedly installed at the top of the platform 1, a functional plate 412 is fixedly installed at the top of the fixing plate 411, a rotating ring 413 is installed in internal rotation of the functional plate 412, three fixing columns a414 are fixedly installed at the left side of the functional plate 412, a rotating rod 415 is installed in internal rotation of the fixing columns a414, three rotating blocks 416 are installed in internal rotation of the rotating ring 413, rollers 417 are installed in internal rotation of the rotating rod 415, a fixing block 418 is fixedly installed outside the rotating ring 413, a rectangular block 419 is installed in internal rotation of the fixing block 418, a sliding block 4110 is installed in internal sliding of the functional plate 412, a threaded rod B4111 is installed in internal rotation of the sliding block 4110, and the position of the fixing block 418 is changed to drive the rotating ring 413 to rotate.

Further, the threaded rod B4111 is threadedly mounted inside the rectangular block 419, the rotary block 416 is slidably mounted outside the rotary rod 415, and the positions of the three rotary rods 415 are changed so that the three rollers 417 clamp the round tube.

Further, the rotating assembly 42 includes an electric telescopic rod 4212, a rectangular column a421 is fixedly mounted at the output end of the electric telescopic rod 4212, a sliding column a422 is slidably mounted in the rectangular column a421, a second motor 423 is fixedly mounted on the front surface of the sliding column a422, a bevel gear a424 is fixedly mounted at the output end of the second motor 423, a bevel gear B425 is meshed with the outer portion of the bevel gear a424, a connecting rod 426 is fixedly mounted in the bevel gear B425, a functional block 427 is fixedly mounted on the right side of the rectangular column a421, two limiting rods 428 are slidably mounted in the functional block 427, a sliding ring 429 is fixedly mounted in the outer portion of the limiting rods 428, a spring 4210 is fixedly mounted on one side, close to the functional block 427, of the limiting rods 428, a clamping block 4211 is fixedly mounted at one end, far from the functional block 427, of the limiting rods is fixed after being fixed in height, and is fixed, so that the rotating assembly is stable.

Further, holes are formed in the corresponding positions of the rectangular column A421, the sliding column A422 and the clamping block 4211, the clamping block 4211 is clamped in the holes, one end, away from the sliding ring 429, of the spring 4210 is fixedly installed with the functional block 427, and the connecting rod 426 penetrates through the sliding column A422 and one of the rollers 417 to fixedly install the round tube, so that the round tube rotates, inconvenience in related operation caused by manual rotation is solved, and various operations on the round tube are facilitated.

Embodiment two:

Referring to fig. 5, and in combination with the first embodiment, further obtained, the pre-positioning mechanism 5 includes a fixed column B51, the fixed column B51 is fixedly installed at the top of the platform 1, a sliding column B52 is slidably installed in the fixed column B51, a supporting block 53 is fixedly installed at the top of the sliding column B52, a supporting frame 54 is fixedly installed outside the fixed column B51, a disc 55 is fixedly installed at the left side of the supporting frame 54, a scroll 56 is rotatably installed outside the disc 55, a rotating handle 57 is fixedly installed at the left side of the scroll 56, and the scroll 56 is driven to rotate.

Further, the radian of the supporting block 53 is concentric with the clamping center of the clamping mechanism 4, a rack is fixedly arranged outside the sliding column B52, and the rack is meshed with the worm disk 56 to drive the sliding column B52 to lift.

In the actual operation process, when the device is used, the rotating handle 57 is rotated according to the size of the clamped round tube, the worm disc 56 is meshed with the racks, the sliding column B52 is driven to lift, the supporting block 53 lifts one end of the round tube, an operator can pre-position the round tube, labor is saved, the round tube does not have pressure on the bottommost roller 417, the service life of the clamping mechanism 4 is prolonged, the threaded rod B4111 is rotated, the rectangular block 419 is arranged outside the threaded rod B4111 in a threaded mode, the position of the fixed block 418 is changed to drive the rotating ring 413 to rotate, the rotating block 416 is slidably arranged outside the rotating rod 415 to change the positions of the three rotating rods 415, the round tube is clamped by the three rollers 417, the stress is more uniform, the clamping center is kept consistent, the position change of the rollers 417 drives the sliding column A422 to be slidably arranged inside the rectangular column A, the clamping block 4211 is loosened, the clamping block 4211 penetrates through the rectangular column A422 under the action of the spring 4210, the corresponding position of the rectangular column A421 and the sliding column A422 is limited by the motor, the relative position of the rectangular column A421 and the sliding column A422 is rotated, the relative to rotate the bevel gear 423 is further rotated, and accordingly the bevel gear 423 is rotated smoothly, and the relative rotation of the round tube can not be realized.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. The utility model provides a tubular machined part's centre gripping frock, includes platform (1), its characterized in that: the right side of the platform (1) is fixedly provided with a first motor (2), the output end of the first motor (2) is fixedly provided with a threaded rod A (3), the top of the platform (1) is provided with a clamping mechanism (4), and the top of the platform (1) is provided with a pre-positioning mechanism (5);

The clamping mechanism (4) comprises two clamping assemblies (41) and a rotating assembly (42), wherein the clamping assemblies (41) are arranged at the top of the platform (1), and the rotating assembly (42) is arranged inside the platform (1).

2. The clamping fixture for tubular workpieces according to claim 1, wherein: clamping component (41) are including fixed plate (411), fixed plate (411) fixed mounting is at the top of platform (1), the top fixed mounting of fixed plate (411) has function board (412), rotation ring (413) are installed in the inside rotation of function board (412), three fixed column A (414) are installed in the left side fixed mounting of function board (412), bull stick (415) are installed in the inside rotation of fixed column A (414), three rotary blocks (416) are installed in the inside rotation of rotation ring (413), roller (417) are installed in the inside rotation of bull stick (415), fixed block (418) are installed in the outside fixed mounting of rotary ring (413), rectangle piece (419) are installed in the inside rotation of fixed block (418), slider (4110) are installed in the inside slidable mounting of function board (412), threaded rod B (4111) are installed in the inside rotation of slider (4110).

3. The clamping fixture of a tubular workpiece according to claim 2, wherein: the threaded rod B (4111) is arranged inside the rectangular block (419) in a threaded mode, and the rotating block (416) is arranged outside the rotating rod (415) in a sliding mode.

4. The clamping fixture of a tubular workpiece according to claim 2, wherein: the rotating assembly (42) comprises an electric telescopic rod (4212), a rectangular column A (421) is fixedly arranged at the output end of the electric telescopic rod (4212), a sliding column A (422) is arranged in the rectangular column A (421) in a sliding mode, a second motor (423) is fixedly arranged on the front face of the sliding column A (422), a conical gear A (424) is fixedly arranged at the output end of the second motor (423), a conical gear B (425) is meshed with the outer portion of the conical gear A (424), a connecting rod (426) is fixedly arranged in the conical gear B (425), a functional block (427) is fixedly arranged on the right side of the rectangular column A (421), two limiting rods (428) are fixedly arranged in the functional block (427) in a sliding mode, a sliding ring (429) is fixedly arranged on the outer portion of the limiting rods (428), a spring (4210) is fixedly arranged on one side, close to the functional block (427), and a clamping block (4211) is fixedly arranged at one end, far from the functional block (427), of the limiting rods (428).

5. The clamping fixture for tubular workpieces according to claim 4, wherein: holes are formed in the corresponding positions of the rectangular column A (421), the sliding column A (422) and the clamping block (4211), the clamping block (4211) is clamped in the holes, one end, away from the sliding ring (429), of the spring (4210) is fixedly mounted with the functional block (427), and the connecting rod (426) penetrates through the sliding column A (422) to be fixedly mounted with one roller (417).

6. The clamping fixture for tubular workpieces according to claim 1, wherein: the pre-positioning mechanism (5) comprises a fixed column B (51), the fixed column B (51) is fixedly arranged at the top of the platform (1), a sliding column B (52) is slidably arranged in the fixed column B (51), a supporting block (53) is fixedly arranged at the top of the sliding column B (52), a supporting frame (54) is fixedly arranged at the outer part of the fixed column B (51), a disc (55) is fixedly arranged at the left side of the supporting frame (54), a worm disc (56) is rotatably arranged at the outer part of the disc (55), and a rotating handle (57) is fixedly arranged at the left side of the worm disc (56).

7. The clamping fixture for tubular workpieces according to claim 6, wherein: the radian of the supporting block (53) is concentric with the clamping center of the clamping mechanism (4), a rack is fixedly arranged outside the sliding column B (52), and the rack is meshed with the worm disc (56).