CN214024630U

CN214024630U - Clamping tool for machining special-shaped part

Info

Publication number: CN214024630U
Application number: CN202022887922.2U
Authority: CN
Inventors: 杨英; 陈亮亮
Original assignee: Zhejiang Economic & Trade Polytechnic
Current assignee: Zhejiang Economic & Trade Polytechnic
Priority date: 2020-12-06
Filing date: 2020-12-06
Publication date: 2021-08-24
Anticipated expiration: 2030-12-06

Abstract

The utility model discloses a clamping tool for machining a special-shaped piece, which comprises a first clamping block, the upper surface of the first clamping block is fixedly connected with a fixed block, the fixed block is in threaded connection with a one-way threaded rod, the two ends of the one-way threaded rod extending outwards are respectively and fixedly connected with a second handle and a clamping piece, one side of the first clamping block is in threaded connection with a two-way threaded rod, the end of the bidirectional threaded rod, which penetrates through the top end of the first clamping block and extends outwards, is fixedly connected with a first handle, the other end of the first clamping block is fixedly connected with a connecting rod, the upper surface of the second clamping block is symmetrically and fixedly connected with two rotating shafts, the outer surfaces of the two rotating shafts are symmetrically sleeved with two clamping blocks, an elastic part is fixedly connected between the bottom ends of the two clamping blocks, this press from both sides tight frock based on dysmorphism processing usefulness can press from both sides tightly the work piece of different shapes.

Description

Clamping tool for machining special-shaped part

Technical Field

The utility model relates to a dysmorphism processing technology field specifically is a press from both sides tight frock based on dysmorphism processing usefulness.

Background

In mechanical processing, a clamping device is usually used to clamp a workpiece and then process the workpiece, so the clamping device is widely applied;

the traditional partial clamping device can only clamp a single special-shaped piece, but the special-shaped pieces are various in appearance and different in shape, so that most of special-shaped pieces with different appearances cannot be effectively clamped, the stability of a workpiece clamping state is poor, and some irregular workpieces may not be effectively clamped, and therefore a clamping tool for machining the special-shaped pieces is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a press from both sides tight frock based on dysmorphism processing usefulness to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a clamping tool for machining a special-shaped part comprises a first clamping block, wherein a fixed block is fixedly connected to the upper surface of the first clamping block, the fixed block is in threaded connection with a one-way threaded rod, two ends of the one-way threaded rod penetrate through the fixed block and extend outwards, two ends of the one-way threaded rod extending outwards are respectively and fixedly connected with a second handle and a clamping piece, one side of the first clamping block is in threaded connection with a two-way threaded rod, two ends of the two-way threaded rod penetrate through the top and the bottom of the first clamping block and extend outwards, the two-way threaded rod penetrates through one end of the first clamping block extending outwards at the top end of the first clamping block and is fixedly connected with a first handle, the other end of the first clamping block is fixedly connected with a connecting rod, one end of the two-way threaded rod penetrating through the bottom end of the first clamping block extending outwards and one end of the connecting rod far away from the first clamping block are movably connected with a second clamping block, and the two-way threaded rod is connected with the second clamping block and penetrates through the bottom of the second clamping block and extends outwards, the connecting rod is movably sleeved with the second clamping block, the upper surface of the second clamping block is symmetrically and fixedly connected with two rotating shafts, the outer surface of each rotating shaft is symmetrically sleeved with two clamping blocks, and an elastic part is fixedly connected between the bottom ends of the two clamping blocks.

Preferably, the side of the clamping piece away from the second threaded rod is provided with an arc surface.

Preferably, the first clamping block and the second clamping block are symmetrically arranged, and two adjacent surfaces are irregular cambered surfaces.

Preferably, two opposite-direction threads are formed in the outer surface of the bidirectional threaded rod, and the first clamping block and the second clamping block are in threaded connection with the two opposite-direction threads of the bidirectional threaded rod respectively.

Preferably, the bidirectional threaded rod penetrates through the top and the bottom of the first clamping block and the second clamping block.

Preferably, two limiting blocks are arranged at the top end of the clamping block, and the included angle between the two limiting blocks is smaller than ninety degrees.

The utility model discloses a press from both sides tight frock based on dysmorphism processing usefulness, its beneficial effect who possesses as follows:

1. this press from both sides tight frock based on dysmorphism piece processing usefulness, through the cooperation of first clamp splice, second clamp splice and two-way threaded rod, can press from both sides the work piece of some major points, what the adjacent surface of first clamp splice and second clamp splice set up is irregular cambered surface, so also can press from both sides some anomalous work pieces, be empty between first clamp splice and the second clamp splice, so can press from both sides tight some circular, cylinder or anomalous cylinder work pieces.

2. This press from both sides tight frock based on dysmorphism processing usefulness through two fixture blocks and the clamping piece that sets up, can press from both sides the work piece of pressing from both sides some small points, and the one side of clamping piece sets up to the cambered surface, and the cooperation fixture block is less than ninety degrees angle and can press from both sides tightly some circular, rectangle and some anomalous work pieces, and two fixture blocks and the cooperation of card and first clamp splice and second clamp splice play a dual tight effect of pressing from both sides, make the work piece press from both sides tightly more firm.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic bottom structure diagram of the present invention.

In the figure: 1. a first clamping block; 101. a bidirectional threaded rod; 102. a first handle; 103. a fixed block; 104. a second handle; 105. a one-way threaded rod; 106. a card; 2. a second clamp block; 201. a connecting rod; 3. a rotating shaft; 301. a clamping block; 302. an elastic member.

Detailed Description

The embodiment of the utility model discloses a clamping tool for processing special-shaped parts, as shown in figures 1-4, comprising a first clamping block 1, wherein the upper surface of the first clamping block 1 is fixedly connected with a fixed block 103, the fixed block 103 is in threaded connection with a one-way threaded rod 105, two ends of the one-way threaded rod 105 penetrate through the fixed block 103 and extend outwards, two ends of the one-way threaded rod 105 extending outwards are respectively fixedly connected with a second handle 104 and a clamping piece 106, one side of the clamping piece 106 away from the one-way threaded rod 105 is provided with a cambered surface, a workpiece attached with some cambered surfaces can be matched, one side of the first clamping block 1 is in threaded connection with a two-way threaded rod 101, two ends of the two-way threaded rod 101 penetrate through the top and the bottom of the first clamping block 1 and extend outwards, one end of the two-way threaded rod 101 extending outwards through the top end of the first clamping block 1 is fixedly connected with a first handle 102, the other end of the first clamping block 1 is fixedly connected with a connecting rod 201, the bidirectional threaded rod 101 penetrates through one end, extending outwards, of the bottom end of the first clamping block 1 and one end, far away from the first clamping block 1, of the connecting rod 201, and is movably connected with the second clamping block 2, the first clamping block 1 and the second clamping block 2 are symmetrically arranged, two adjacent surfaces are arranged to be irregular cambered surfaces, a columnar workpiece can be clamped, the bidirectional threaded rod 101 is in threaded connection with the second clamping block 2 and penetrates through the bottom of the second clamping block 2 to extend outwards, the bidirectional threaded rod 101 penetrates through the top and the bottom of the first clamping block 1 and the bottom of the second clamping block 2, the distance between the first clamping block 1 and the second clamping block 2 is maximized, the first clamping block 1 and the second clamping block 2 are respectively in threaded connection with two opposite threads of the bidirectional threaded rod 101, the first clamping block 1 and the second clamping block 2 can move towards different directions when the bidirectional threaded rod 101 rotates, and the connecting rod 201 is movably sleeved with the second clamping block 2;

the upper surface of the second clamping block 2 is symmetrically and fixedly connected with two rotating shafts 3, the outer surfaces of the two rotating shafts 3 are symmetrically sleeved with two clamping blocks 301, the included angle of the clamping blocks 301 is smaller than ninety degrees, so that the clamping blocks 301 can be more compact when clamping a workpiece, an elastic part 302 is fixedly connected between the bottom ends of the two clamping blocks 301, so that the workpiece can be automatically loosened when the clamping sheet 106 is separated from the workpiece after the workpiece is machined, a plurality of large-point workpieces can be clamped through the matching of the first clamping block 1, the second clamping block 2 and the bidirectional threaded rod 101, the adjacent surfaces of the first clamping block 1 and the second clamping block 2 are provided with irregular cambered surfaces, so that a plurality of irregular workpieces can be clamped, the first clamping block 1 and the second clamping block 2 are empty, so that a plurality of round, cylindrical or irregular cylindrical workpieces can be clamped, and the two clamping blocks 301 and the clamping sheets can clamp a plurality of small-point workpieces, one surface of the clamping piece is set to be an arc surface, the matched clamping block 301 is smaller than an angle of ninety degrees, so that round, rectangular and irregular workpieces can be clamped, and the matching of the two clamping blocks 301 and the clamping piece 106 with the first clamping block 1 and the second clamping block 2 plays a role in double clamping, so that the workpieces are clamped more stably.

The working principle is as follows: when the clamping tool for processing the special-shaped piece is used, a workpiece to be processed is placed between the first clamping block 1 and the second clamping block 2, then the bidirectional threaded rod 101 is rotated, one end of the first clamping block 1 and one end of the second clamping block 2 are respectively in threaded connection with the bidirectional threads of the bidirectional threaded rod 101, and the other end of the first clamping block 1 and the other end of the second clamping block 2 are connected through the connecting rod 201, so that the workpiece cannot rotate along with the rotation of the bidirectional threaded rod 101, when the bidirectional threaded rod 101 rotates in different directions, the distance between the first clamping block 1 and the second clamping block 2 can be changed along with the rotation of the bidirectional threaded rod 101, when the workpiece is clamped by the first clamping block 1 and the second clamping block 2, the middle parts of the two clamping blocks 301 move backwards due to the fact that the workpiece is in contact with the middle parts of the two clamping blocks 301, the bottom ends of the clamping blocks 301 can move outwards to stretch the elastic pieces 302, and the tops of the clamping blocks 301 move inwards, one side of a workpiece is clamped, then the one-way threaded rod 105 is rotated, because the one-way threaded rod 105 is in threaded connection with the fixed block 103 fixedly connected with the upper surface of the first clamping block 1, the one-way threaded rod 105 can only move back and forth when rotating, because one end of the one-way threaded rod 105 is fixedly connected with the clamping piece 106, the one-way threaded rod 105 can drive the clamping piece 106 to move together when moving back and forth, the one-way threaded rod 105 is rotated, the clamping piece 106 moves forward until the clamping piece is contacted with the workpiece, the one-way threaded rod 105 cannot rotate, the workpiece is clamped completely, the two clamping blocks 301 and the clamping piece 106 are matched with the first clamping block 1 and the second clamping block 2 to achieve the double clamping effect, after the workpiece is machined, the two-way threaded rod 101 is directly rotated, the distance between the first clamping block 1 and the second clamping block 2 is increased, the workpiece is not contacted, and because the clamping piece 106 is fixedly connected with the first clamping block 1 through the one-way threaded rod 105 and the fixed block 103, therefore, the card 106 moves when the first clamping block 1 moves, so that the card 106 does not contact with the workpiece, the workpiece loses the extrusion force of the card 106, the elastic element 302 contracts, the middle part of the fixture block 301 moves forwards, the front end of the fixture block 301 does not contact with the workpiece, and the workpiece is automatically released.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a press from both sides tight frock based on dysmorphism processing usefulness, includes first clamp splice (1), its characterized in that: fixed surface is connected with fixed block (103) on first clamp splice (1), fixed block (103) threaded connection one-way threaded rod (105), and the both ends of one-way threaded rod (105) run through fixed block (103) and outwards extend, the both ends difference fixedly connected with second handle (104) and card (106) of the outside extension of one-way threaded rod (105), one side threaded connection of first clamp splice (1) has two-way threaded rod (101), and the both ends of two-way threaded rod (101) run through top and bottom and outwards extension of first clamp splice (1), one end fixedly connected with first handle (102) that two-way threaded rod (101) run through outside extension in first clamp splice (1) top, the other end fixedly connected with connecting rod (201) of first clamp splice (1), one end swing joint that first clamp splice (1) was kept away from to one end and connecting rod (201) that two-way threaded rod (101) run through outside extension in first clamp splice (1) bottom has the second to press from Piece (2), and two-way threaded rod (101) and second clamp splice (2) threaded connection and the bottom that passes second clamp splice (2) outwards extend, and connecting rod (201) cup joint with second clamp splice (2) activity, two pivot (3) of surface symmetry fixedly connected with on second clamp splice (2), two pivot (3) surface symmetry has cup jointed two fixture blocks (301), and fixedly connected with elastic component (302) between two fixture block (301) bottoms.

2. The clamping tool for machining the special-shaped part according to claim 1, wherein the clamping tool comprises: one side of the clamping piece (106) far away from the second threaded rod is set to be an arc surface.

3. The clamping tool for machining the special-shaped part according to claim 1, wherein the clamping tool comprises: the first clamping block (1) and the second clamping block (2) are symmetrically arranged, and two adjacent surfaces are irregular cambered surfaces.

4. The clamping tool for machining the special-shaped part according to claim 1, wherein the clamping tool comprises: two opposite-direction threads are formed in the outer surface of the bidirectional threaded rod, and the first clamping block (1) and the second clamping block (2) are respectively in threaded connection with the two opposite-direction threads of the bidirectional threaded rod (101).

5. The clamping tool for machining the special-shaped part according to claim 1, wherein the clamping tool comprises: the bidirectional threaded rod (101) penetrates through the tops and the bottoms of the first clamping block (1) and the second clamping block (2).

6. The clamping tool for machining the special-shaped part according to claim 1, wherein the clamping tool comprises: the top end of the clamping block (301) is provided with two limiting blocks, and the included angle between the two limiting blocks is smaller than ninety degrees.