CN211387784U

CN211387784U - Machining clamp

Info

Publication number: CN211387784U
Application number: CN201922327218.9U
Authority: CN
Inventors: 杨林; 雷亚平; 任志鹏; 靳标; 钟飞添
Original assignee: Nanjing Gaojing Track Traffic Equipment Co ltd
Current assignee: Nanjing Gaojing Track Traffic Equipment Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-01
Anticipated expiration: 2029-12-20

Abstract

The embodiment of the application provides a add clamping apparatus, add clamping apparatus includes: the base is V-shaped; the mounting bracket comprises a first mounting bracket and a second mounting bracket, wherein the first mounting bracket and the second mounting bracket are respectively arranged at two ends of the base and detachably connected with the base. This application has realized saving the equipment replacement time of processing different boxes, improves machining precision's effect.

Description

Machining clamp

Technical Field

The application relates to the technical field of machine manufacturing, in particular to a machining clamp.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. After the box body of the gear box is cast, a machining center or a special machine is generally adopted to machine the box body for drilling, tapping, plane milling and the like. Work piece adds man-hour and fixes through frock clamp, and frock clamp needs to fix a position the work piece accuracy and press from both sides tightly, prevents that the work piece from adding man-hour and producing the displacement, but because the structural dimension of box is different, must frequently switch special fixture, has increased processing latency to can influence box machining precision.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a machining clamp for realizing the equipment change time when saving different box of processing through increasing the structure of being convenient for change, improve the machining precision.

The first aspect of the embodiments of the present application provides a machining fixture, including: the base is V-shaped; the mounting bracket comprises a first mounting bracket and a second mounting bracket, wherein the first mounting bracket and the second mounting bracket are respectively arranged at two ends of the base and detachably connected with the base.

In one embodiment, the base includes: the bottom plate is provided with a positioning hole; the supporting frame comprises a first supporting frame and a second supporting frame, the first supporting frame and the second supporting frame are arranged at two ends of the bottom plate respectively, the first mounting frame is arranged on the first supporting frame, and the second mounting frame is arranged on the second supporting frame.

In one embodiment, the number of the positioning holes on the bottom plate is two.

In one embodiment, the mounting frame and the supporting frame are connected by bolts.

In one embodiment, the mounting frame and the support frame are both provided with pin holes, and positioning pins are inserted into the pin holes to connect the mounting frame and the support frame.

In one embodiment, a bushing is disposed within the pin bore.

In an embodiment, the first mounting frame and the second mounting frame are both provided with a pin shaft for positioning a workpiece to be processed.

In an embodiment, the top of the first mounting frame and the top of the second mounting frame are both provided with a clamping mechanism.

In one embodiment, the clamping mechanism comprises: the upright post is arranged on the mounting frame; the pressing plate is arranged on the upright post; and the adjusting bolt penetrates through the pressure plate.

In an embodiment, the first mounting frame and the second mounting frame are provided with reinforcing ribs on both sides.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a machining fixture 100 according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a machining fixture 100 according to an embodiment of the present application.

Reference numerals:

100-processing clamp, 110-base, 111-bottom plate, 1111-first positioning hole, 1112-second positioning hole, 112-support frame, 1121-first support frame, 1122-second support frame, 1123-first pin hole, 1124-first bushing, 120-mounting frame, 121-first mounting frame, 122-second mounting frame, 123-bolt, 124-second pin hole, 125-second bushing, 126-positioning pin, 127-pin shaft, 128-clamping mechanism, 1281-upright post, 1282-pressing plate, 1283-adjusting bolt and 129-reinforcing rib.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

In the description of the present application, the terms "first," "second," and the like are used for distinguishing between descriptions and do not denote an order of magnitude, nor are they to be construed as indicating or implying relative importance.

In the description of the present application, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are absolutely required to be horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, the terms "upper", "lower", "left", "right", "front", "back", "inner", "outer", and the like refer to orientations or positional relationships that are based on orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally found in the products of the application, and are used for convenience in describing the present application, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Please refer to fig. 1, which is a schematic structural diagram of a processing fixture 100 according to an embodiment of the present application. The machining jig 100 includes a base 110 and a mounting bracket 120. The base 110 has a V-shaped structure with a narrow bottom and a wide top. The base 110 includes a base plate 111 and a support bracket 112, and the base plate 111 has a first positioning hole 1111 and a second positioning hole 1112 for inserting a ball pin to fix the machining fixture 100 on the machine tool table. In one embodiment, the first positioning hole 1111 and the second positioning hole 1112 are disposed in parallel at the middle position of the base plate 111. The supporting frames 112 include first supporting frames 1121 and second supporting frames 1122, the first supporting frames 1121 are disposed at the left end of the bottom plate 111 and have a certain included angle with the plane perpendicular to the bottom plate 111, the second supporting frames 1122 are disposed at the right end of the bottom plate 111 and also have a certain included angle with the plane perpendicular to the bottom plate 111, the inclined angles of the first supporting frames 1121 and the second supporting frames 1122 are equal, and the first supporting frames 1121 and the second supporting frames 1122 are detachably connected with the bottom plate 111.

The mounting bracket 120 is detachably coupled to the base 110. The mounting bracket 120 includes a first mounting bracket 121 and a second mounting bracket 122, wherein the first mounting bracket 121 is disposed on the first supporting frame 1121, and the second mounting bracket 122 is disposed on the second supporting frame 1122. The top of each of the first and

second mounting brackets

121 and 122 is provided with a clamping mechanism 128 for clamping a workpiece to be machined.

In one embodiment, the first mounting frame 121 is provided with reinforcing ribs 129 on both front and rear sides thereof, and the second mounting frame 122 is provided with reinforcing ribs 129 on both front and rear sides thereof.

Fig. 2 is a schematic structural diagram of a machining fixture 100 according to an embodiment of the present disclosure. The machining jig 100 includes: the support frame 112 is arranged on the bottom plate 111 and forms an acute angle with a plane vertical to the bottom plate 111.

The mounting frame 120 is arranged on the support frame 112, a first pin hole 1123 is formed in the top of the support frame 112, a second pin hole 124 is formed in the bottom of the mounting frame 120, the first pin hole 1123 and the second pin hole 124 are coaxial, a first bushing 1124 is arranged in the first pin hole 1123, a second bushing 125 is arranged in the second pin hole 124, and the positioning pin 126 is inserted into the first pin hole 1123 and the second pin hole 124 to connect the mounting frame 120 and the support frame 112. In one embodiment, the mounting bracket 120 and the supporting bracket 112 are further connected by a plurality of bolts 123.

The mounting frame 120 is provided with a pin shaft 127, and the pin shaft 127 is matched with the workpiece to be processed and used for positioning the workpiece to be processed. In one embodiment, the mounting frame 120 includes a first mounting frame 121 and a second mounting frame 122, wherein the first mounting frame 121 and the second mounting frame 122 are used in pairs, and when workpieces with different structures are machined, only the horizontal distance between the pin shaft 127 and the second pin hole 124 needs to be selected to be replaced by the mounting frame 120 matched with a workpiece to be machined instead, and the whole machining fixture 100 does not need to be replaced.

The top of the mounting bracket 120 is provided with a clamping mechanism 128, and the clamping mechanism 128 includes: the vertical column 1281 is arranged on the mounting frame 120, the pressing plate 1282 is arranged on the vertical column 1281, the adjusting bolt 1283 penetrates through the pressing plate 1282, and the adjusting bolt 1283 enables the pressing plate 1282 to compress a workpiece to be processed.

The above are merely preferred embodiments of the present application and are not intended to limit the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A machining jig characterized by comprising:

the base is V-shaped;

the mounting bracket comprises a first mounting bracket and a second mounting bracket, wherein the first mounting bracket and the second mounting bracket are respectively arranged at two ends of the base and detachably connected with the base.

2. The machining fixture of claim 1, wherein the base includes:

the bottom plate is provided with a positioning hole;

the supporting frame comprises a first supporting frame and a second supporting frame, the first supporting frame and the second supporting frame are arranged at two ends of the bottom plate respectively, the first mounting frame is arranged on the first supporting frame, and the second mounting frame is arranged on the second supporting frame.

3. The machining jig of claim 2, wherein the number of the positioning holes on the base plate is two.

4. The machining jig of claim 2, wherein the mounting bracket and the support bracket are bolted together.

5. The machining clamp according to claim 2, wherein pin holes are formed in the mounting frame and the support frame, and positioning pins are inserted into the pin holes to connect the mounting frame and the support frame.

6. The machining fixture of claim 5, wherein a bushing is disposed within the pin bore.

7. The machining clamp according to claim 1, wherein a pin for positioning a workpiece to be machined is arranged on each of the first mounting frame and the second mounting frame.

8. The machining jig of claim 1, wherein the top of the first mounting bracket and the second mounting bracket are each provided with a clamping mechanism.

9. The machining jig of claim 8, wherein the clamping mechanism comprises:

the upright post is arranged on the mounting frame;

the pressing plate is arranged on the upright post;

and the adjusting bolt penetrates through the pressure plate.

10. The machining jig of claim 1, wherein both sides of the first mounting bracket and the second mounting bracket are provided with reinforcing ribs.