Auxiliary clamp for machine tool machining
Technical Field
The utility model relates to the technical field of clamps, in particular to an auxiliary clamp for machine tool machining.
Background
A machine tool holder is a device on a machine tool for the work piece and guiding of a tool. Refers to a fixture specially designed for a certain process of a certain workpiece. The device has the characteristics of compact structure, rapid and convenient operation, labor saving, higher processing and production efficiency guarantee, and is suitable for fixed products and large-batch production, the device contacts with the positioning reference of the workpiece and is used for determining the correct position of the workpiece in the clamp, thereby guaranteeing the relative correct position of the workpiece relative to the processing movement of a machine tool during processing.
During the machine tool operation and processing, the clamp can clamp the workpiece to fix the workpiece on the machine tool, but the existing clamp can only adapt to the same workpiece, when the workpiece slightly unsuitable is met, the clamp is not adapted any more, and the clamp is reset when in use.
Disclosure of Invention
The utility model aims to provide an auxiliary fixture for machine tool machining, which solves the problems that the fixture proposed in the background art can only adapt to the same kind of workpieces, when the workpieces slightly unsuitable are encountered, the fixture is not adapted any more, and the fixture is reset when in use.
In order to achieve the above object, the present utility model provides a technical scheme, an auxiliary fixture for machine tool machining, comprising:
the main body comprises a base, wherein the surface of the base is fixedly connected with a shell, the inside of the base is connected with a push rod in a sliding manner, the surface of the push rod is penetrated with a loop bar, and the surface of the loop bar is fixedly connected with a supporting spring;
the clamping mechanism comprises a clamping plate, the clamping plate is movably connected to the inner surface of the shell, a rotating block is fixedly connected to the surface of the clamping plate, a sliding groove is formed in the clamping plate, a limit groove is formed in the upper surface of the clamping plate, a sliding plate is slidably connected to the surface of the sliding groove, a short screw is fixedly connected to the surface of the sliding plate, and a small nut is connected to the surface of the short screw through threads.
Preferably, the clamping plates are provided with two groups, the two groups of clamping plates are in a long plate shape, the rotating block is connected to the inner surface of the shell through a rotating shaft, and one end, far away from the short screw rod, of the clamping plates is in abutting connection with the surface of the loop bar.
Preferably, one end of the short screw rod is fixedly connected to the surface of the sliding plate, the other end of the short screw rod is connected to the surface of the small nut through threads, the short screw rod penetrates through the surface of the limiting groove, and the small nut is in abutting connection with the surface of the clamping plate.
Preferably, the surface of shell is provided with telescopic machanism, telescopic machanism includes to support the clamp plate, support clamp plate swing joint in the outside of shell, the screw has been seted up on the surface of shell, the surface that supports the clamp plate has long screw rod through threaded connection, the surface of long screw rod has big nut through threaded connection.
Preferably, the pressing plate is in a long plate shape, and the long screw is connected inside the shell through threads.
Preferably, the big nuts are provided with three groups, one group of big nuts are in abutting connection with the surface of the shell, and the two groups of big nuts are in abutting connection with the surface of the pressing plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the sliding connection to clamping plate and sliding plate, can follow the clamping plate with the sliding plate flexible in, adjust the sliding plate to the adaptation position to realize the fixed effect of work piece to different specifications, carry out threaded connection to short screw rod and little nut, can adjust the sliding plate to the corresponding position back under the effect of screw thread, make little nut butt joint connect at the surface of clamping plate, in order to realize when meetting the work piece of different specifications, adjustable sliding plate is fixed to the work piece.
2. Through carrying out threaded connection to shell and long screw rod, can connect the surface at the shell with long screw rod under the effect of screw thread to realize detachable purpose, can dismantle long screw rod under the condition that does not need long screw rod, through the surface mounting at long screw rod support the clamp plate, with the realization in clamp plate department to the fixed insecure or when needing further fixed of work piece, support the clamp plate and can be fixed firm with the work piece under the fixed effect of big nut.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a schematic perspective view of the structure of the present utility model in elevation and cross section;
FIG. 3 is a schematic view in partial perspective cross-section of the structure of the clamping plate of the present utility model;
fig. 4 is a schematic view showing a partial perspective cross-section of the structure of the pressing plate of the present utility model.
In the figure: 1. a base; 11. a housing; 12. a push rod; 13. a loop bar; 14. a support spring; 2. a clamping plate; 21. a rotating block; 22. a chute; 23. a limit groove; 24. a short screw; 25. a small nut; 26. a sliding plate; 3. a pressing plate; 31. a long screw; 32. a large nut; 33. screw holes.
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.
Referring to fig. 1-4, an embodiment of the present utility model is provided:
an auxiliary clamp for machine tool machining, comprising:
the main body comprises a base 1, wherein the surface of the base 1 is fixedly connected with a shell 11, the inside of the base 1 is connected with a push rod 12 in a sliding manner, the surface of the push rod 12 is penetrated with a sleeve rod 13, the surface of the sleeve rod 13 is fixedly connected with a supporting spring 14, and under the connection effect of the push rod 12 and the sleeve rod 13, the clamping plate 2 is pushed so as to achieve the effect of clamping a workpiece;
the clamping mechanism comprises a clamping plate 2, the clamping plate 2 is movably connected to the inner surface of the shell 11, a rotating block 21 is fixedly connected to the surface of the clamping plate 2, a sliding groove 22 is formed in the clamping plate 2, a limit groove 23 is formed in the upper surface of the clamping plate 2, a sliding plate 26 is slidably connected to the surface of the sliding groove 22, a short screw 24 is fixedly connected to the surface of the sliding plate 26, a small nut 25 is connected to the surface of the short screw 24 through threads, and the sliding plate 26 can slide in the short screw 24 under the action of the sliding groove 22 and the limit groove 23 so as to realize adjustment of different sizes.
Further, two groups of clamping plates 2 are arranged, the two groups of clamping plates 2 are in a long plate shape, the rotating block 21 is connected to the inner surface of the shell 11 through a rotating shaft, one end, far away from the short screw 24, of the clamping plates 2 is in abutting connection with the surface of the loop bar 13, and under the action of the two groups of clamping plates 2, the clamping plates 2 are in abutting connection with the surface of a workpiece so as to fix the surface of the workpiece.
Further, one end of the short screw 24 is fixedly connected to the surface of the sliding plate 26, the other end of the short screw 24 is connected to the surface of the small nut 25 through threads, the short screw 24 penetrates through the surface of the limiting groove 23, the small nut 25 is in abutting connection with the surface of the clamping plate 2, and under the action of the short screw 24 and the small nut 25, the sliding of the sliding plate 26 on the surface of the sliding groove 22 is achieved, and the clamping effect on different workpieces can be adjusted.
Further, telescopic machanism is provided with on the surface of shell 11, and telescopic machanism includes to support clamp plate 3, supports clamp plate 3 swing joint in the outside of shell 11, and screw 33 has been seted up on the surface of shell 11, and the surface of supporting clamp plate 3 has long screw 31 through threaded connection, and the surface of long screw 31 has big nut 32 through threaded connection, is provided with under the effect of screw 33 in the inside of shell 11, can realize long screw 31 play detachable effect when connecting on the shell 11.
Further, the pressing plate 3 is long plate-shaped, the long screw 31 is connected inside the housing 11 through threads, and under the action of the pressing plate 3, the workpiece can be further fixed after the workpiece is fixed by the clamping plate 2.
Further, the big nuts 32 are provided with three groups, one group of big nuts 32 are in abutting connection with the surface of the shell 11, two groups of big nuts 32 are in abutting connection with the surface of the pressing plate 3, under the action of the big nuts 32, the long screw 31 is fixedly connected with the surface of the shell 11, and under the action effect of the two groups of big nuts 32, the pressing plate 3 can be moved up and down to different positions to fix the pressing plate 3.
Working principle: the work piece is placed on the upper surface of the base 1, the push rod 12 is pushed to enable the push rod 12 to be clamped on the inner surface of the sleeve rod 13, the surface connected with the clamping plate 2 pushes the clamping plate 2 to enable one end, close to the small nut 25, of the clamping plate 2 to be in abutting connection with the surface of the work piece, the long screw 31 is screwed into the shell 11, the pressing plate 3 is screwed into the surface of the long screw 31, the long screw 31 is fixed on the shell 11 through the large nut 32, and the pressing plate 3 is fixed at the adapting position.
When the size of the workpiece is bigger, the small nuts 25 are rotated and the sliding plate 26 slides on the surface of the sliding groove 22, so that after the short screw rods 24 slide on the surface of the limiting groove 23 to adjust the adapting position, the small nuts 25 on two sides are screwed into the surface of the short screw rods 24 again, and the small nuts 25 are abutted against the upper surface of the clamping plate 2 to fix the sliding plate 26.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in 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 utility model 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.