CN210550638U - Anchor clamps for machining - Google Patents

Abstract

The utility model discloses a clamp for machining, which comprises a U-shaped seat, wherein the inner side surface of the front end of the U-shaped seat is connected with a threaded rod through threads, the rear end surface of the threaded rod is provided with a push plate, the rear end surface of the threaded rod is fixedly connected with a convex round block, the rear end surface of the push plate is connected with a movable clamping block, the inner side surface of the rear end of the U-shaped seat is connected with a fixed clamping block, the outer surface of the push plate is provided with a first T-shaped slide bar, the inner side surface of the rear end of the U-shaped seat is provided with a second T-shaped slide bar, the movable clamping block is glided outside the first T-shaped slide bar through a T-shaped slide groove, the fixed clamping block is glided outside the second T-shaped slide bar through a T-shaped slide groove, three side surfaces of the movable clamping block and the fixed clamping block are respectively provided with a bending groove, a triangular groove and a rubber plate, the clamping block is provided, the clamping block can be matched with different clamping surfaces of the clamping block to clamp according to the shape of a workpiece, and the use is flexible.

Description

Anchor clamps for machining

Technical Field

The utility model relates to an anchor clamps field, more specifically say, relate to an anchor clamps for machining.

Background

The clamp is a device used for fixing a processing object in the mechanical manufacturing process to enable the processing object to occupy a correct position so as to receive construction or detection, the most common clamp in the prior art is a table clamp, and a clamping block is driven by a threaded rod to move so as to clamp a workpiece;

however, the clamping block structure of the existing table type clamp is too single, when a workpiece is clamped, the workpiece is generally clamped through the plane of the clamping block, but the workpiece is different in shape, enters a round workpiece, a round pipe, a rhombic workpiece and the like, is inconvenient to clamp through the plane, and is not flexible in use.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide an anchor clamps for machining sets up crooked recess and triangle recess and is convenient for centre gripping circular workpiece and rhombus work piece on the clamp splice, can overturn and carry out the centre gripping, can carry out the centre gripping according to the different clamping faces of work piece shape cooperation clamp splice, uses in a flexible way.

In order to solve the above problems, the utility model adopts the following technical proposal.

A fixture for machining comprises a U-shaped seat, wherein a threaded rod is connected to the inner side surface of the front end of the U-shaped seat through threads, a push plate is arranged on the surface of the rear end of the threaded rod, a convex round block is fixedly connected to the rear end face of the threaded rod, a convex round groove is formed in the inner side surface of the front end of the push plate, the convex round block is connected to the convex round groove in the front end of the push plate in a sliding mode, a movable clamping block is connected to the rear end face of the push plate, a fixed clamping block is connected to the inner side surface of the rear end of the U-shaped seat, a first T-shaped sliding strip is arranged on the outer surface of the push plate, a second T-shaped sliding strip is arranged on the inner side surface of the rear end of the U-shaped seat, T-shaped sliding grooves are formed in the three outer surfaces of the movable clamping block, the movable clamping block is in a sliding mode outside the first T-shaped sliding strip through the T-shaped sliding grooves, the fixed clamping, the three surfaces of the movable clamping block and the fixed clamping block are respectively provided with a bending groove, a triangular groove and a rubber plate, the bending grooves and the triangular grooves are formed in the clamping block, so that a round workpiece and a rhombic workpiece can be clamped conveniently, the clamping can be carried out by turning over, the clamping can be carried out by matching different clamping surfaces of the clamping block according to the shape of the workpiece, and the use is flexible.

Furthermore, the surfaces of the bending grooves of the movable clamping block and the fixed clamping block are provided with curved surface bulges, the curved surface bulges are uniformly distributed on the surfaces of the bending grooves, and when a round workpiece is clamped, the curved surface bulges are arranged in the bending grooves, so that the clamping force is increased during extrusion, and the clamping is firmer.

Further, rubber slab fixed connection respectively is in the upper end surface of removing clamp splice and fixed clamp splice, and the thickness of rubber slab is not less than one centimetre, and when extrudeing conventional work piece, can use the one side extrusion of taking the rubber slab, the frictional force when the rubber slab increase extrusion.

Furthermore, a round hole is formed in the front end of the threaded rod, a torsion rod is inserted into the round hole, and the threaded rod is convenient to twist through the torsion rod to move.

Furthermore, the torsion bar is of a round bar structure, the upper end and the lower end of the torsion bar are arranged to be ball heads, and the ball heads are arranged so that the torsion bar cannot slide out of the threaded rod.

Compared with the prior art, the utility model has the advantages of:

(1) the clamping blocks are provided with the bent grooves and the triangular grooves, so that a round workpiece and a rhombic workpiece can be clamped conveniently, the clamping blocks can be turned over for clamping, the clamping blocks can be matched with different clamping surfaces of the clamping blocks for clamping according to the shapes of the workpieces, and the use is flexible.

(2) The surface of the bending groove of the movable clamping block and the surface of the bending groove of the fixed clamping block are provided with the curved surface bulges, the curved surface bulges are uniformly distributed on the surface of the bending groove, and when a round workpiece is clamped, the curved surface bulges are arranged in the bending groove, so that the occlusal force is increased during extrusion, and the clamping is firmer.

(3) The rubber plates are respectively and fixedly connected to the upper end surfaces of the movable clamping block and the fixed clamping block, the thickness of each rubber plate is not less than one centimeter, when a conventional workpiece is extruded, one surface with the rubber plates can be used for extrusion, and the friction force of the rubber plates during extrusion is increased.

(4) The front end of the threaded rod is provided with a round hole, a torsion bar is inserted in the round hole, and the threaded rod is convenient to twist through the torsion bar to move.

(5) The torsion bar is of a round bar structure, the upper end and the lower end of the torsion bar are arranged to be ball heads, and the ball heads are arranged to prevent the torsion bar from sliding out of the threaded bar.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the overall structure of the present invention;

FIG. 3 is an enlarged view of the present invention at A (FIG. 2);

FIG. 4 is a cross-sectional view of the connection between the threaded rod and the U-shaped seat and the push plate;

fig. 5 is a side view of the convex round block of the present invention.

The reference numbers in the figures illustrate:

1U-shaped seat, 2 threaded rods, 3 push plates, 4 convex round blocks, 5 moving clamping blocks, 6 fixing clamping blocks, 300 first T-shaped sliding strips, 100 second T-shaped sliding strips, 56T-shaped sliding grooves, 560 bending grooves, 561 triangular grooves, 562 rubber plates, 5601 curved surface protrusions and 20 torsion bars.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a clamp for machining includes a U-shaped seat 1, a threaded rod 2 is connected to the inner side surface of the front end of the U-shaped seat 1 through a thread, a push plate 3 is disposed on the rear end surface of the threaded rod 2, a convex round block 4 is fixedly connected to the rear end surface of the threaded rod 2, a convex round groove (not shown) is disposed on the inner side surface of the front end of the push plate 3, the convex round block 4 is slidably connected to the convex round groove of the front end of the push plate 3, a movable clamping block 5 is connected to the rear end surface of the push plate 3, a fixed clamping block 6 is connected to the inner side surface of the rear end of the U-shaped seat 1, a first T-shaped slide bar 300 is disposed on the outer surface of the push plate 3, a second T-shaped slide bar 100 is disposed on the inner side surface of the rear end of the U-shaped seat 1, T-shaped slide grooves 56 are disposed on the three outer surfaces of the movable clamping block 5, the movable clamping block 5 is slidably engaged with the first T-shaped, the three outer surfaces of the fixed clamping block 6 are also provided with T-shaped sliding grooves 56, and the three surfaces of the movable clamping block 5 and the fixed clamping block 6 are respectively provided with a bending groove 560, a triangular groove 561 and a rubber plate 562.

Referring to fig. 1 to 5, curved protrusions 5601 are formed on the surfaces of the curved recesses 560 of the movable clamping block 5 and the fixed clamping block 6, the curved protrusions 5601 are uniformly distributed on the surfaces of the curved recesses 560, when a round workpiece is clamped, the curved surface bulge 5601 is arranged in the curved groove 560, the occlusal force is increased during extrusion, the clamping is firmer, the rubber plate 562 is fixedly connected to the upper end surfaces of the movable clamping block 5 and the fixed clamping block 6 respectively, the thickness of the rubber plate 562 is not less than one centimeter, when a conventional workpiece is extruded, one surface with the rubber plate 562 can be used for extrusion, the rubber plate 562 increases the friction force during extrusion, the front end of the threaded rod 2 is provided with a round hole (not shown in the figure), a torsion bar 20 is inserted in the round hole, the torsion rod 20 is convenient to twist the threaded rod 2 to move, the torsion rod 20 is of a round rod structure, the upper end and the lower end of the torsion rod 20 are arranged to be ball heads, and the ball heads are arranged so that the torsion rod 20 cannot slide out of the threaded rod 2.

When the clamping fixture is used, the clamping surface is adjusted according to the shape of a workpiece, when the circular workpiece is clamped, the circular workpiece is clamped through the surfaces of the bending grooves 560 of the movable clamping block 5 and the fixed clamping block 6, the clamping is more stable when the circular workpiece is clamped for curved surface machining, meanwhile, the surfaces of the bending grooves 560 of the movable clamping block 5 and the fixed clamping block 6 are provided with curved surface protrusions 5601, the curved surface protrusions 5601 are uniformly distributed on the surfaces of the bending grooves 560, when the circular workpiece is clamped, the clamping is firmer by increasing the occlusion force during extrusion through the curved surface protrusions 5601 arranged in the bending grooves 560;

when clamping a rhombic workpiece, the movable clamping block 5 and the fixed clamping block 6 are adjusted to the surfaces of the triangular grooves 561 for clamping, and the rhombic workpiece can be firmly clamped through the two triangular grooves 561;

when a conventional workpiece is clamped, the movable clamping block 5 and the fixed clamping block 6 are adjusted to one surface with the rubber plate 562 for extrusion, so that the friction force during extrusion can be increased by increasing the rubber plate 562, the use is flexible, and the clamping is convenient;

when the movable clamping block 5 and the fixed clamping block 6 are turned over, the movable clamping block 5 and the fixed clamping block 6 can be lifted upwards in a sliding manner, and after the movable clamping block 5 and the fixed clamping block 6 are turned over to a required extrusion surface, the T-shaped sliding grooves 56 on the opposite surfaces of the extrusion surface slide down along the first convex strips 300 and the second convex strips 100 for positioning, so that the movable clamping block 5 and the fixed clamping block 6 can be assembled and adjusted conveniently;

when the extrusion, wrench movement threaded rod 2 through torsion bar 20, can drive threaded rod 2 and remove, the convex circular slot has been seted up to 3 front end inside surfaces of accessible push pedal, and convex round block 4 sliding connection is in the convex circular slot of the front end of push pedal 3, and convex round block 4 can push up push pedal 3 and remove at the convex circular slot internal rotation, can drive and remove 5 removal extrusion work pieces of clamp splice, the operation of being convenient for.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a anchor clamps for machining, includes U-shaped seat (1), its characterized in that: the front end inner side surface of the U-shaped seat (1) is connected with a threaded rod (2) through threads, the rear end surface of the threaded rod (2) is provided with a push plate (3), the rear end surface of the threaded rod (2) is fixedly connected with a convex round block (4), the front end inner side surface of the push plate (3) is provided with a convex round groove, the convex round block (4) is connected in the convex round groove at the front end of the push plate (3) in a sliding manner, the rear end surface of the push plate (3) is connected with a movable clamping block (5), the rear end inner side surface of the U-shaped seat (1) is connected with a fixed clamping block (6), the outer surface of the push plate (3) is provided with a first T-shaped sliding strip (300), the rear end inner side surface of the U-shaped seat (1) is provided with a second T-shaped sliding strip (100), three outer surfaces of the movable clamping block (5) are provided with T-shaped sliding grooves (56), and the movable clamping block (5) is glided outside the first T, the fixed clamping block (6) is glided outside the second T-shaped sliding strip (100) through a T-shaped sliding groove (56), T-shaped sliding grooves (56) are also formed in the three outer surfaces of the fixed clamping block (6), and a bending groove (560), a triangular groove (561) and a rubber plate (562) are respectively formed in the three surfaces of the movable clamping block (5) and the fixed clamping block (6).

2. The jig for machining according to claim 1, characterized in that: the surfaces of the bending grooves (560) of the movable clamping block (5) and the fixed clamping block (6) are provided with curved protrusions (5601), and the curved protrusions (5601) are uniformly distributed on the surfaces of the bending grooves (560).

3. The jig for machining according to claim 1, characterized in that: the rubber plates (562) are respectively and fixedly connected to the upper end surfaces of the movable clamping block (5) and the fixed clamping block (6), and the thickness of each rubber plate (562) is not less than one centimeter.

4. The jig for machining according to claim 1, characterized in that: the front end of the threaded rod (2) is provided with a round hole, and a torsion bar (20) is inserted into the round hole.

5. The jig for machining according to claim 4, characterized in that: the torsion bar (20) is of a circular bar structure, and the upper end and the lower end of the torsion bar (20) are provided with ball heads.

Images