CN111300306A

CN111300306A - Clamp for machining

Info

Publication number: CN111300306A
Application number: CN202010160296.9A
Authority: CN
Inventors: 刘丹青; 王婉朦; 黄友斌; 吴雪源; 章慧; 殷榕雪
Original assignee: Hangzhou Pingchuan Architectural Landscape Design Co Ltd
Current assignee: Hangzhou Pingchuan Architectural Landscape Design Co Ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-06-19

Abstract

The invention discloses a clamp for machining, which comprises a base, wherein a groove is formed in the base, a supporting plate is arranged in the middle of the groove, a shaft hole is formed in the supporting plate, a threaded rod is rotatably connected in the shaft hole, one end of the threaded rod is rotatably connected with the inner wall of the groove, the other end of the threaded rod is connected with a handle, threads on the threaded rod, which are located on two sides of the supporting plate, are opposite, a first sliding block and a second sliding block are respectively connected with two sides of the supporting plate on the supporting rod in a threaded manner, a first clamping block is connected to one side, facing the second sliding block, of the first sliding block, a second clamping block is connected to one side, facing the first sliding block, of the second sliding block, a third clamping block is arranged in a sliding manner, a lead screw is rotatably connected to one side. Compared with the prior art, the invention has the advantages that: convenient to use, large-scale object and the steady centre gripping of small-size object homoenergetic time.

Description

Clamp for machining

Technical Field

The invention relates to the field of machining equipment, in particular to a clamp for machining.

Background

The device is used for fixing the processing object to make the processing object occupy the correct position in the mechanical manufacturing process so as to receive construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, etc.

The existing clamp for machining is mainly used for large equipment, and an additional tool is needed for clamping small articles, so that the use and the operation are inconvenient.

Disclosure of Invention

The invention aims to overcome the technical defects and provide a multifunctional clamp for machining.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a clamp for machining comprises a base, wherein a groove is formed in the base along the length direction of the base, a supporting plate is arranged in the middle of the groove, a shaft hole is arranged on the supporting plate, a threaded rod is rotationally connected in the shaft hole, one end of the threaded rod is rotatably connected with the inner wall of the groove, the other end of the threaded rod is positioned outside the base and is connected with a handle, the threads on the threaded rod positioned at the two sides of the supporting plate are opposite, the supporting rod positioned at the two sides of the supporting plate is respectively provided with a first sliding block and a second sliding block in a threaded connection way, one side of the first sliding block facing the second sliding block is connected with a first clamping block, one side of the second sliding block facing the first sliding block is connected with a second clamping block, the second clamping block is provided with a sliding groove, the sliding groove is internally provided with a third clamping block in a sliding connection mode, one side, far away from the first clamping block, of the third clamping block is rotatably connected with a lead screw, and the lead screw penetrates through the second sliding block and is provided with a hand wheel.

Compared with the prior art, the invention has the advantages that: utilize the opposite direction's screw thread to carry out drive connection slider one and slider two on the threaded rod or opposite movement in opposite directions through turning handle to can be convenient carry out centre gripping and release, the backup pad can provide effectual rotation and support, guarantees the normal rotation of threaded rod, and sliding connection is equipped with clamp splice three on the clamp splice two, can carry out the small-size article of centre gripping at clamp splice one and clamp splice two closure states, just can implement the operation through rotating the hand wheel, and is convenient to use.

As an improvement, the first sliding block and the second sliding block are both T-shaped in cross section, the structure is stable, the sliding blocks stably slide in the grooves, and falling accidents cannot happen.

As an improvement, the upper surface of the first clamping block and the upper surface of the third clamping block are located on the same horizontal plane, and the second clamping block and the third clamping block are clamped through matching with the first clamping block.

As an improvement, the lead screw is connected with a circular truncated cone which is rotatably embedded in the third clamping block, so that the lead screw can conveniently rotate in the third clamping block and simultaneously drive the third clamping block to move on the second clamping block.

As an improvement, the rotary balls are embedded into the peripheral surface of the circular truncated cone in a rotating mode, the rotating connection relation between the third clamping block and the circular truncated cone is further improved, friction force is reduced, and convenience is brought to the rotation of the handle.

Drawings

Fig. 1 is a schematic structural view of a jig for machining according to the present invention.

Fig. 2 is a schematic view of the structure of part a in fig. 1.

Fig. 3 is a schematic diagram of a groove matching sliding block structure of a clamp for machining according to the invention.

As shown in the figure: 1. the device comprises a base, 2, a groove, 3, a supporting plate, 4, a shaft hole, 5, a threaded rod, 6, a handle, 7, a first sliding block, 8, a second sliding block, 9, a first clamping block, 10, a second clamping block, 11, a sliding groove, 12, a third clamping block, 13, a screw rod, 14, a hand wheel, 15, a circular truncated cone, 16 and a rotary ball.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to fig. 1-3, a clamp for machining comprises a base 1, a groove 2 is formed in the base 1 along the length direction of the base 1, a supporting plate 3 is arranged in the middle of the groove 2, a shaft hole 4 is formed in the supporting plate 3, a threaded rod 5 is rotatably connected in the shaft hole 4, one end of the threaded rod 5 is rotatably connected with the inner wall of the groove 2, the other end of the threaded rod 5 is connected with a handle 6 at the outer side of the base 1, threads on the threaded rod 5 at two sides of the supporting plate 3 are opposite, a first slider 7 and a second slider 8 are respectively connected with the two sides of the supporting plate 3 on the supporting rod in a threaded manner, a first clamping block 9 is connected to one side of the first slider 7, a second clamping block 10 is connected to one side of the second slider 8 facing the first slider 7, a sliding groove 11 is formed in the second clamping block 10, and one side of the third clamping block 12, which is far away from the first clamping block 9, is rotatably connected with a screw rod 13, and the screw rod 13 penetrates through the second sliding block 8 and is connected with a hand wheel 14.

The cross sections of the first sliding block 7 and the second sliding block 8 are both T-shaped, the upper surface of the first clamping block 9 and the upper surface of the third clamping block 12 are located on the same horizontal plane, a circular truncated cone 15 is connected to the screw rod 13, the circular truncated cone 15 is rotatably embedded into the third clamping block 12, and rotating balls 16 are rotatably embedded into the circumferential surface of the circular truncated cone 15.

When the clamping device is specifically implemented, the first sliding block 7 and the second sliding block 8 can be driven to move oppositely or oppositely by rotating the handle 6, so that the first clamping block 9 and the second clamping block 10 can be clamped and released in a matched mode, the first clamping block 9 and the second clamping block 10 can be used for conveniently clamping a large object, the first clamping block 9 and the second clamping block 10 are completely attached, the third clamping block 12 can be driven by rotating the hand wheel 14 through the screw rod 13, so that the third clamping block 12 and the first clamping block 9 can be clamped and released in a matched mode, and the first clamping block 9 and the third clamping block 12 can be used for conveniently clamping a small object.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A clamp for machining, includes base (1), its characterized in that: the base (1) is provided with a groove (2) along the length direction of the base (1), the middle part of the groove (2) is provided with a support plate (3), the support plate (3) is provided with a shaft hole (4), the shaft hole (4) is rotatably connected with a threaded rod (5), one end of the threaded rod (5) is rotatably connected with the inner wall of the groove (2), the other end of the threaded rod is positioned at the outer side of the base (1) and is connected with a handle (6), the threads on the threaded rod (5) positioned at the two sides of the support plate (3) are opposite, the two sides of the support rod positioned at the support plate (3) are respectively and threadedly connected with a first slider (7) and a second slider (8), one side of the first slider (7) facing the second slider (8) is connected with a first clamping block (9), one side of the second slider (8) facing the first slider (7) is connected with a second, sliding connection is equipped with clamp splice three (12) in spout (11), one side rotation connection that clamp splice one (9) was kept away from in clamp splice three (12) is equipped with lead screw (13), lead screw (13) pass slider two (8) and connect and be equipped with hand wheel (14).

2. A jig for machining according to claim 1, wherein: the sections of the first sliding block (7) and the second sliding block (8) are both T-shaped.

3. A jig for machining according to claim 1, wherein: the upper surface of the first clamping block (9) and the upper surface of the third clamping block (12) are positioned on the same horizontal plane.

4. A jig for machining according to claim 1, wherein: the lead screw (13) is connected with a circular truncated cone (15), and the circular truncated cone (15) is rotatably embedded into the third clamping block (12).

5. A jig for machining according to claim 4, wherein: the peripheral surface of the circular truncated cone (15) is provided with rotating beads (16) in a rotating embedded mode.