CN109746710B

CN109746710B - Clamp

Info

Publication number: CN109746710B
Application number: CN201711088754.7A
Authority: CN
Inventors: 王兵
Original assignee: Chongqing Tlk Intelligent Equipment Co ltd
Current assignee: Chongqing Tlk Intelligent Equipment Co ltd
Priority date: 2017-11-08
Filing date: 2017-11-08
Publication date: 2020-11-24
Anticipated expiration: 2037-11-08
Also published as: CN109746710A

Abstract

The invention provides a clamp, which comprises a right clamping plate, a left clamping plate, a bidirectional screw rod, a left sleeve block, a right fixing plate, a sleeve rod, a hollow block, a rotating block, a screw rod I, a left fixing plate and a bolt, wherein the left sleeve block is arranged at the lower end of the left clamping plate, the left sleeve block is arranged on the bidirectional screw rod, the right sleeve block is arranged at the lower end of the right clamping plate, the right sleeve block is assembled on the bidirectional screw rod, the design is convenient for clamping a workpiece, the right fixing plate is arranged at the right end of the sleeve rod, the sleeve rod is assembled at the right end of the rotating block, the sleeve rod is arranged on the hollow block, the rotating block is arranged on the hollow block, the bolt is arranged at the lower end of the rotating block, the screw rod I is arranged on the sleeve rod, the screw rod I is arranged on the rotating block, the screw rod I is arranged at the right end of the left, time and labor are saved, and the using effect is strong.

Description

Clamp

Technical Field

The invention relates to a clamp, and belongs to the technical field of numerical control machining.

Background

In the prior art, double forks are used for sprinkling irrigation, natural gas, petroleum pipeline transportation and the like, a four-axis machining center is usually adopted for hole machining on a fork pipe, and special fixtures are required to be designed for positioning and clamping when the double forks are special parts; at present, the middle insert block is mainly adopted for up-and-down positioning; the clamping efficiency is low due to the fact that the nuts are fastened manually, labor intensity is high, and it is very necessary to design the clamp which is convenient to clamp, accurate in positioning, consistent in clamping force and capable of reducing hole deformation.

The clamp that has now uses a plurality of bolts mostly to drive splint and presss from both sides tight work piece, and the operating procedure is numerous and diverse, and operation process is hard, uses waste time and energy, and current anchor clamps use the bolt fastening on the lathe mostly, not convenient to detach and installation to can not rotate anchor clamps, lead to adding man-hour all need carry on again centre gripping and calibration cutter head to other faces, the result of use is relatively poor.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a clamp to solve the problems in the background technology, and the clamp is convenient to use, convenient to operate, time-saving, labor-saving and strong in using effect.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an anchor clamps, includes fixture, main part and fixed establishment, fixture sets up in the main part upper end, fixed establishment installs at the main part lower extreme, fixture includes right splint, left splint, two-way lead screw, left cover block and right cover block, right splint set up at the inside right wall of main part, left splint are installed at the inside left wall of main part, two-way lead screw is installed in the main part, left cover block sets up at left splint lower extreme, left cover block is installed on two-way lead screw, left cover block assembly is in the inside bottom of main part, right cover block is installed at right splint lower extreme, right cover block assembly is on two-way lead screw, right cover block is installed in the inside bottom of main part, right cover block assembly is on left cover block right side, left cover block all is connected with two-way lead screw through ball nut is vice with right cover block, fixed establishment includes right fixed plate, The screw rod I is arranged on the sleeve rod, the screw rod I is arranged on the rotating block, the screw rod I is connected with the rotating block through a ball nut pair, the screw rod I is arranged at the right end of the left fixing plate, and the left fixing plate and the right fixing plate are symmetrically arranged on the lower side of the main body;

a sliding groove is formed in the bottom end of the interior of the main body, and a left sleeve block and a right sleeve block are arranged on the sliding groove;

the lower end of the bolt is provided with a rubber cap, and the rubber cap is connected with the bolt through an adhesive.

Furthermore, a handle is arranged at the left end of the bidirectional screw rod and connected with the bidirectional screw rod through a screw.

Furthermore, a clamping ring is arranged on the loop bar, and the loop bar is connected with the hollow block through the clamping ring.

Further, both ends symmetry is equipped with two draw bars about the lead screw one, two spouts have been seted up to the inside top of loop bar and inside bottom symmetry, two the draw bar is installed respectively in two the spout.

The invention has the beneficial effects that: according to the clamp, due to the fact that the right clamping plate, the left clamping plate, the bidirectional screw rod, the left sleeve block and the right sleeve block are added, a workpiece can be clamped conveniently through the design, the operation steps are simple and easy as the bidirectional screw rod only needs to be rotated, labor is saved in the operation process, time and labor are saved when the clamp is used, and the problems that most of existing clamps use a plurality of bolts to drive the clamping plates to clamp the workpiece, the operation steps are complicated, the operation process is labor-consuming, and time and labor are wasted when the clamp is used are solved.

According to the invention, due to the addition of the fixing plate, the sleeve rod, the hollow block, the rotating block, the first screw rod, the left fixing plate and the bolt, the fixture is convenient to fix and dismantle, and meanwhile, the angle of the workpiece can be adjusted, so that different surfaces of the workpiece can be conveniently machined without re-clamping, the use effect is enhanced, and the problems that most of the existing fixtures are fixed on a lathe by using the bolt, the existing fixtures are inconvenient to dismount and mount, and the fixtures cannot be rotated, so that the milling head needs to be re-clamped and calibrated when other surfaces are machined, and the use effect is poor are solved.

The bidirectional screw rod is convenient to rotate due to the addition of the handle, the hollow block is convenient to rotate due to the addition of the snap ring, the horizontal displacement of the screw rod is convenient due to the addition of the slide bar and the slide groove, the displacement of the left sleeve block and the right sleeve block is convenient due to the design, and the damage of a bolt caused by collision is avoided due to the addition of the rubber cap.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a fixture according to the present invention;

FIG. 2 is a schematic view of a clamping mechanism of a clamp according to the present invention;

FIG. 3 is a schematic view of a securing mechanism in a fixture according to the present invention;

in the figure: 1-clamping mechanism, 2-main body, 3-fixing mechanism, 11-right clamping plate, 12-left clamping plate, 13-bidirectional screw rod, 14-left sleeve block, 15-right sleeve block, 31-right fixing plate, 32-sleeve rod, 33-hollow block, 34-rotary block, 35-screw rod I, 36-left fixing plate and 37-bolt.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an anchor clamps, includes fixture 1, main part 2 and fixed establishment 3, fixture 1 sets up in 2 upper ends of main part, and fixed establishment 3 installs at 2 lower extremes of main part.

Fixture 1 includes right splint 11, left splint 12, two-way lead screw 13, left cover block 14 and right cover block 15, right splint 11 sets up at the inside right wall of main part 2, left splint 12 is installed at the inside left wall of main part 2, two-way lead screw 13 is installed in main part 2, left cover block 14 sets up at left splint 12 lower extreme, left cover block 14 is installed on two-way lead screw 13, left cover block 14 assembles in the inside bottom of main part 2, right cover block 15 is installed at right splint 11 lower extreme, right cover block 15 assembles on two-way lead screw 13, right cover block 15 is installed in the inside bottom of main part 2, right cover block 15 assembles on left cover block 14 right side, left cover block 14 and right cover block 15 all are connected with two-way lead screw 13 through the ball nut is vice, this design is convenient for carry out the centre gripping to the work piece, only need to rotate two-way lead screw 13, the operation step is simple and easy, the operation process.

The fixing mechanism 3 comprises a right fixing plate 31, a sleeve rod 32, a hollow block 33, a rotating block 34, a first screw rod 35, a left fixing plate 36 and a bolt 37, the right fixing plate 31 is arranged at the right end of the sleeve rod 32, the sleeve rod 32 is assembled at the right end of the rotating block 34, the sleeve rod 32 is installed on the hollow block 33, the rotating block 34 is arranged on the hollow block 33, the hollow block 33 is connected with the rotating block 34 through a bearing, the hollow block 33 is installed at the lower end of the main body 2, the bolt 37 is installed at the lower end of the rotating block 34, the bolt 37 is assembled on the hollow block 33, the bolt 37 is connected with the hollow block 33 through a thread, the first screw rod 35 is arranged on the sleeve rod 32, the first screw rod 35 is installed on the rotating block 34, the first screw rod 35 is connected with the rotating block 34 through a ball nut pair, the first screw rod 35 is arranged at the right end of the left fixing plate 36, the left fixing plate 36 and the right, different faces of the workpiece can be conveniently machined without clamping again, and the using effect is enhanced.

The left end of the bidirectional screw rod 13 is provided with a handle, the handle is connected with the bidirectional screw rod 13 through a screw, a snap ring is arranged on the loop bar 32, the loop bar 32 is connected with the hollow block 33 through the snap ring, two sliding strips are symmetrically arranged at the upper end and the lower end of the first screw rod 35, two sliding grooves are symmetrically arranged at the top end and the bottom end of the inner portion of the loop bar 32, the sliding strips are respectively arranged in the two sliding grooves, a sliding groove is machined at the bottom end of the inner portion of the main body 2, a left loop block 14 and a right loop block 15 are arranged on the sliding groove, a rubber cap is arranged at the lower end of the.

The specific implementation mode is as follows: when a worker clamps a workpiece, the worker places the workpiece at the left end of the right clamping plate 11, then the worker holds the handle and rotates the handle, the handle rotates to drive the two-way screw rod 13 to rotate, because the left sleeve block 14 and the right sleeve block 15 are both connected with the two-way screw rod 13 through the ball nut pair, the two-way screw rod 13 rotates to drive the left sleeve block 14 to move rightwards, the left sleeve block 14 moves rightwards to drive the left clamping plate 12 to move rightwards, the two-way screw rod 13 rotates to drive the right sleeve block 15 to move leftwards, the right sleeve block 15 moves leftwards to drive the right clamping plate 11 to move leftwards, the right clamping plate 11 moves leftwards to drive the workpiece to move leftwards, when the right clamping plate 12 moves leftwards to a proper position, the right clamping plate 12 can be contacted with the workpiece, then the worker stops rotating the handle, the design is convenient, the operation process is labor-saving, and the use is time-saving and labor-saving.

When a worker needs to fix the clamp on the machine tool and adjust the orientation of the clamp, the worker holds the rotating block 34 and rotates, because the first screw rod 35 is connected with the rotating block 34 through the ball nut pair, the rotating block 34 rotates to drive the first screw rod 35 to move rightwards, the first screw rod 35 moves rightwards to drive the left fixing plate 36 to move rightwards, when the left fixing plate 36 moves rightwards to a proper position, the clamp can be fixed, then the worker stops rotating the rotating block 34 and holds the hollow block 33, because the hollow block 33 is connected with the rotating block 34 through the bearing, the worker rotates the hollow block 33 around the bearing, the hollow block 33 rotates to drive the main body 2 to rotate, when the main body 2 rotates to a proper position, the worker stops rotating the hollow block 33, then the worker rotates the bolt 37, because the bolt 37 is connected with the hollow block 33 through threads, the worker rotates the bolt 37 to fix the hollow block, this design is convenient for fix and dismantle anchor clamps, also can adjust the angle of work piece simultaneously, conveniently processes the different faces of work piece, need not carry out the centre gripping again, has strengthened the result of use.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a clamp, includes fixture (1), main part (2) and fixed establishment (3), its characterized in that: the clamping mechanism (1) is arranged at the upper end of the main body (2), and the fixing mechanism (3) is arranged at the lower end of the main body (2);

the clamping mechanism (1) comprises a right clamping plate (11), a left clamping plate (12), a bidirectional screw rod (13), a left sleeve block (14) and a right sleeve block (15), the right clamping plate (11) is arranged on the right wall inside the main body (2), the left clamping plate (12) is arranged on the left wall inside the main body (2), the bidirectional screw rod (13) is arranged on the main body (2), the left sleeve block (14) is arranged at the lower end of the left clamping plate (12), the left sleeve block (14) is arranged on the bidirectional screw rod (13), the left sleeve block (14) is assembled at the bottom end inside the main body (2), the right sleeve block (15) is arranged at the lower end of the right splint (11), the right sleeve block (15) is assembled on the bidirectional screw rod (13), the right sleeve block (15) is arranged at the bottom end in the main body (2), the right sleeve block (15) is assembled at the right side of the left sleeve block (14), the left sleeve block (14) and the right sleeve block (15) are connected with the bidirectional screw rod (13) through a ball nut pair;

the fixing mechanism (3) comprises a right fixing plate (31), a sleeve rod (32), a hollow block (33), a rotating block (34), a first screw rod (35), a left fixing plate (36) and a bolt (37), the right fixing plate (31) is arranged at the right end of the sleeve rod (32), the sleeve rod (32) is assembled at the right end of the rotating block (34), the sleeve rod (32) is installed on the hollow block (33), the rotating block (34) is arranged on the hollow block (33), the hollow block (33) is connected with the rotating block (34) through a bearing, the hollow block (33) is installed at the lower end of the main body (2), the bolt (37) is installed at the lower end of the rotating block (34), the bolt (37) is assembled on the hollow block (33), the bolt (37) is connected with the hollow block (33) through a thread, the first screw rod (35) is arranged on the sleeve rod (32), the first screw rod (35) is installed on the rotating block (34), the first screw rod (35) is connected with the rotating block (34) through a ball nut pair, the first screw rod (35) is arranged at the right end of the left fixing plate (36), and the left fixing plate (36) and the right fixing plate (31) are symmetrically arranged at the lower side of the main body (2);

a sliding groove is formed in the bottom end of the interior of the main body (2), and a left sleeve block (14) and a right sleeve block (15) are arranged on the sliding groove;

the lower end of the bolt (37) is provided with a rubber cap, and the rubber cap is connected with the bolt (37) through an adhesive.

2. A clamp as claimed in claim 1, wherein: the left end of the bidirectional screw rod (13) is provided with a handle, and the handle is connected with the bidirectional screw rod (13) through a screw.

3. A clamp as claimed in claim 1, wherein: the loop bar (32) is provided with a snap ring, and the loop bar (32) is connected with the hollow block (33) through the snap ring.

4. A clamp as claimed in claim 1, wherein: two sliding strips are symmetrically arranged at the upper end and the lower end of the first screw rod (35), two sliding grooves are symmetrically formed in the top end and the bottom end of the inner portion of the loop bar (32), and the two sliding strips are respectively arranged in the two sliding grooves.