CN206305818U - A kind of positioning fixture - Google Patents

Abstract

The utility model discloses a kind of positioning fixture, including：Base, support bar component, support frame, bolt, nut, grip slipper, rotation bar assembly, grip block and handle；Support bar component and support frame are fixedly connected on base；Support bar component includes first support bar and second support bar；The upper end of support frame is symmetrically arranged with two and cuts flat face, cuts the screw that support frame axis is provided perpendicular at flat face；Rotation bar assembly includes the first swingle and the second swingle, and the first swingle passes through first support bar, and the second swingle passes through second support bar；Grip block is arranged on the first swingle and the second swingle is located on the one end between first support bar and second support bar；Handle is provided with second swingle.The positioning fixture can directly rotate workpiece to be processed, without fixture is taken off, improve processing efficiency, clamp more firm；Corresponding grip slipper, convenient use can be changed according to the shape of different workpieces to be processed.

Description

a positioning fixture

technical field

The utility model relates to the technical field of mechanical processing, in particular to a positioning fixture.

Background technique

In the process of mechanical manufacturing, the fixture is a device used to fix the processing object so that it occupies the correct position for construction or inspection. In a broad sense, in any process in the process, the device used to quickly, conveniently and safely install the workpiece can be called a fixture, of which machine tool fixtures are the most common.

When machining a workpiece on a machine tool, in order to make the surface of the workpiece meet the technical requirements such as the size, geometric shape, and position accuracy with other surfaces specified in the drawing, the workpiece must be installed and clamped before processing. However, the existing fixtures cannot directly overturn the workpiece. When the workpiece needs to be turned over, the workpiece is generally taken off from the fixture, and then re-fixed into the fixture after turning over. This not only increases manual operations, but also seriously affects The efficiency of production and processing.

Utility model content

In view of the above, the utility model provides a positioning fixture with simple structure, easy operation, reasonable design and convenient use.

In order to achieve the above object, the technical solution adopted by the utility model to solve the technical problems is:

A positioning fixture, comprising: a base, a support rod assembly, a support frame, bolts, nuts, a clamping seat, a rotating rod assembly, a clamping block and a handle; the support rod assembly and the support frame are fixedly connected to the base above; the support rod assembly includes a first support rod and a second support rod; the support frame is arranged in the middle of the first support rod and the second support rod; the support frame is provided with external threads; the The upper end of the support frame is symmetrically provided with two flattened surfaces, and the flattened surfaces are provided with screw holes perpendicular to the axis of the support frame, and the bolts are threadedly connected with the support frame through the screw holes. Nuts are arranged on the bolts; the clamping seat is arranged on the support frame, and the clamping seat and the support frame are detachably connected; the rotating rod assembly includes a first rotating rod and a second rotating rod , the first rotating rod passes through the first supporting rod, and the second rotating rod passes through the second supporting rod; the first rotating rod and the second rotating rod are on the same horizontal axis , the first rotating rod and the second rotating rod can rotate around the horizontal axis; the clamping block is arranged on the first rotating rod and the second rotating rod is located On one end between the second support rods; the clamping block is provided with a groove; the second rotating rod is provided with a handle.

Its further characteristics are as follows:

A rubber pad is arranged on the clamping seat.

The bottom surface of the clamping seat is a plane.

The bottom surface of the clamping seat is an arc surface.

Due to the application of the above technical solutions, the utility model has the following beneficial effects compared with the prior art:

A positioning fixture is provided, through the setting of the handle and the rotating rod, the workpiece to be processed can be directly rotated without removing the fixture, which improves the processing efficiency; the height of the clamping seat can be adjusted through the support frame, making the clamping firmer; The holding seat is detachably connected with the supporting frame, and the corresponding holding seat can be replaced according to the shape of different workpieces to be processed, which is convenient for use.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural schematic diagram of a positioning fixture of the present invention.

Fig. 2 is a schematic diagram of a partial structure of a support base in a positioning fixture according to the present invention, in which the bottom surface is a plane.

Fig. 3 is a schematic diagram of a partial structure of a support seat with an arc-shaped bottom surface in a positioning fixture of the present invention.

detailed description

Below in conjunction with specific embodiment, the content of the present utility model is described in further detail:

Referring to Fig. 1, Fig. 2 and Fig. 3, a positioning fixture includes: a base 1, a support rod assembly, a support frame 3, bolts 4, nuts 5, a clamping seat 6, a rotating rod assembly, a clamping block 8 and a handle 9 The support rod assembly and the support frame 3 are fixedly connected on the base 1; the support rod assembly includes a first support rod 21 and a second support rod 22; the support frame 3 is arranged on the first In the middle of the support rod 21 and the second support rod 22; the support frame 3 is provided with external threads; the upper end of the support frame 3 is symmetrically provided with two flattened surfaces, and the flattened surfaces are provided with vertical The screw hole of the support frame axis, the bolt 4 is threadedly connected with the support frame 3 through the screw hole, the bolt 4 is provided with a nut 5; the clamping seat 6 is arranged on the support frame 3 Above, the clamping seat 6 is detachably connected to the support frame 3; the rotating rod assembly includes a first rotating rod 71 and a second rotating rod 72, and the first rotating rod 71 passes through the first The support rod 21, the second rotating rod 72 passes through the second supporting rod 22; the first rotating rod 71 and the second rotating rod 72 are on the same horizontal axis, and the first rotating rod 71 and the second rotating rod 72 can rotate around the horizontal axis; the clamping block 8 is arranged on the first rotating rod 71 and the second rotating rod 72 and is located On one end between the support rods 22 ; the clamping block 8 is provided with a groove; the second rotating rod 72 is provided with a handle 9 . A rubber pad is provided on the clamping seat 6 . The bottom surface of the clamping seat 6 is a plane or an arc surface.

working principle:

During the machining process, the workpiece to be processed can be directly rotated through the arrangement of the handle 9 and the rotating rod assembly without removing the clamp, which improves the processing efficiency. The height of the clamping seat 6 can be adjusted through the support frame 3, fixed by the bolt 4 and the nut 5, and the clamping seat 6 can be adjusted to a desired position, so that the clamping is firmer. The clamping seat 6 is detachably connected with the support frame 3, and the corresponding clamping seat can be replaced according to the shape of different workpieces to be processed: when the bottom surface of the workpiece to be processed is plane or close to the plane, the clamping seat 6 is replaced with a bottom surface of Planar clamping seat 6; when the bottom surface of the workpiece to be processed is arc-shaped or close to arc-shaped, the clamping seat 6 is replaced with a clamping seat 6 with an arc-shaped bottom surface.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present utility model. Equivalent changes or modifications made by the spirit of the present utility model shall be covered within the protection scope of the present utility model.

Claims (4)

1. A positioning fixture, characterized in that it comprises: a base, a support rod assembly, a support frame, bolts, nuts, a clamping seat, a rotating rod assembly, a clamping block and a handle; The support rod assembly and the support frame are fixedly connected on the base; the support rod assembly includes a first support rod and a second support rod; the support frame is arranged on the first support rod and the second support rod The middle of the two support rods; The support frame is provided with external threads; the upper end of the support frame is symmetrically provided with two flattened surfaces, and the flattened surfaces are provided with screw holes perpendicular to the axis of the support frame, and the bolts pass through the The screw hole is threadedly connected with the support frame, the bolt is provided with a nut; the clamping seat is arranged on the support frame, and the clamping seat is detachably connected with the support frame; The rotating rod assembly includes a first rotating rod and a second rotating rod, the first rotating rod passes through the first support rod, and the second rotating rod passes through the second supporting rod; the first rotating rod passes through the second supporting rod; The rotating rod and the second rotating rod are on the same horizontal axis, and the first rotating rod and the second rotating rod can rotate around the horizontal axis; The clamping block is arranged on one end of the first rotating rod and the second rotating rod between the first supporting rod and the second supporting rod; the clamping block is provided with a groove ; The second rotating rod is provided with a handle. 2. A positioning fixture according to claim 1, wherein a rubber pad is provided on the clamping seat. 3. A positioning fixture according to claim 1 or 2, characterized in that: the bottom surface of the clamping seat is a plane. 4. A positioning fixture according to claim 1 or 2, characterized in that: the bottom surface of the clamping seat is an arc surface.