CN217727910U

CN217727910U - Multistation connecting rod class part hole finish machining anchor clamps

Info

Publication number: CN217727910U
Application number: CN202220888673.5U
Authority: CN
Inventors: 陈坊宇; 陈嗣原; 孙策; 钱钧
Original assignee: AVIC Jincheng Nanjing Engineering Institute of Aircraft Systems
Current assignee: AVIC Jincheng Nanjing Engineering Institute of Aircraft Systems
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-11-04
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a multistation connecting rod type part hole finish machining fixture, which belongs to the technical field of mechanical manufacturing and comprises a locking screw, a positioning pin, a positioning block, a pressing block and a fixture base body, wherein the fixture base body is provided with a part positioning hole and a fixture correcting hole; the utility model discloses a can fix a position through locating pin, locating piece and part locating hole, locking screw and compact heap press from both sides tight mode, realize a plurality of parts of clamping location processing. The use convenient operation, the practicality is strong, and positioning accuracy is high, and the centre gripping is stable, can not appear not hard up phenomenon. The influence of human factors on the product quality is greatly reduced, the product quality is stable, the efficiency is remarkably improved, the requirement on the professional technology of an operator is obviously reduced, the reference significance is provided for the design of other product tools, and the method has a great practical application value and a great military application prospect.

Description

Multistation connecting rod class part hole finish machining anchor clamps

Technical Field

The utility model discloses a multistation connecting rod class part hole finish machining presss from both sides belongs to the machine-building technical field.

Background

With the continuous development and progress of society, the cost of manpower and material resources is continuously improved, the quality and the yield of products are improved by customers, cost reduction and efficiency improvement of enterprises are achieved, and the requirements of capacity improvement are met. Taking precision machining of a hole with high dimensional precision as an example, the traditional precision machining of the hole mainly comprises three methods of boring, honing and grinding, only one part can be machined at one time at present, a large amount of correction and clamping time is consumed, the efficiency is low, the quality is unstable, the labor cost is high, and obviously the current precision machining method of the hole cannot meet the development trend of the manufacturing industry, so the prior art needs further improvement.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is that: the multi-station connecting rod type part hole finish machining clamp is provided to realize one-time quick clamping and correction of a plurality of parts and greatly improve machining efficiency.

The technical scheme of the utility model:

a multi-station connecting rod part hole finish machining clamp comprises a locking screw, a positioning pin, a positioning block, a pressing block, a clamp base body, a part positioning hole and a clamp correcting hole; positioning blocks are fixed on two sides of the upper surface of the clamp base body, part positioning holes are formed in two ends of each positioning block, positioning pins are arranged in the part positioning holes and used for positioning parts in the length direction and the angular direction, and a clamp correcting hole is formed in the center of the surface of the clamp base body; two threaded holes are formed in two sides of the fixture correcting hole, a locking screw penetrates through the threaded holes, the pressing block is fixed on the fixture base body and can move up and down along the locking screw, and the pressing block is located above the positioning block and matched with the positioning block to clamp a part.

Still include the gasket, the gasket setting is between compact heap and locking screw for extension part life.

The positioning blocks are arranged in a multi-row mode and are determined according to machining requirements. The working efficiency is improved.

The positioning block is of a V-shaped positioning structure, the outer diameters of the parts are matched, and the positioning block is used for positioning the parts to be processed.

The center of the clamp is provided with a clamp correcting hole for correcting the position of the clamp and ensuring the processing precision.

The positioning blocks and the part positioning holes are symmetrically distributed relative to the clamp correcting hole.

Two threaded holes are formed in two sides of the clamp correcting hole, are arranged in parallel with the positioning block and are used for connecting the pressing block and the locking screw to fix a part to be machined.

The sizes of the positioning pin and the part positioning hole are consistent with the size of the part positioning hole to be processed.

The utility model has the advantages that: the utility model provides a multistation connecting rod class part hole finish machining presss from both sides realizes once carrying out the quick clamping of a plurality of parts and rectifies, has solved the problem that wait for the circulation time long, inefficiency, the quality is unstable, and the human cost is high, has improved machining efficiency and qualification rate.

Drawings

FIG. 1 is a front view of a multi-station connecting rod type part hole finish machining fixture according to the present invention;

FIG. 2 is a side view of a multi-station connecting rod type part hole finish machining fixture according to the present invention;

FIG. 3 is a top view of a multi-station connecting rod type hole finish machining fixture according to the present invention;

FIG. 4 is an assembly drawing of a multi-station connecting rod type part hole finish machining fixture structure according to the present invention;

FIG. 5 is a first schematic view of a part to be machined of a multi-station connecting rod type part hole finish machining fixture of the present invention;

fig. 6 is a schematic diagram of a part to be machined of the multi-station connecting rod type part hole finish machining fixture of the present invention;

the fixture comprises a base body, a locking screw, a positioning pin, a positioning block, a pressing block, a fixture base body, a part positioning hole and a fixture correcting hole, wherein the locking screw is 1-the positioning pin is 2-the positioning block is 3-the pressing block is 4-the fixture base body is 5-the part positioning hole is 6-and the fixture correcting hole is 7-the fixture correcting hole is formed in the base body.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, the multi-station connecting rod part hole finish machining fixture comprises a locking screw 1, a positioning pin 2, a positioning block 3, a pressing block 4, a fixture base 5, a part positioning hole 6 and a fixture correcting hole 7; two parallel positioning blocks 3 are fixed on two sides of the upper surface of the clamp base body 5, two part positioning holes 6 are respectively arranged at two ends of each positioning block 3 and connected with the positioning pins 2, and a clamp correcting hole 7 is arranged between the two positioning blocks 3; two threaded holes are formed in two sides of the clamp correcting hole 7 and are in threaded connection with the pressing block 4 and the locking screw 1.

The clamping device is characterized by further comprising a gasket, wherein the gasket is arranged between the pressing block (4) and the locking screw (1) and used for prolonging the service life of parts.

The positioning blocks 3 can be arranged in a multi-row mode and are determined according to the processing requirements. The working efficiency is improved.

The positioning block 3 is of a V-shaped positioning structure, the outer diameters of the large part and the small part are matched, and the positioning block is used for positioning the parts to be machined.

The center of the clamp is provided with a clamp correcting hole 7 for correcting the position of the clamp and ensuring the processing precision.

The positioning blocks 3 and the part positioning holes 6 are symmetrically distributed around the clamp correcting hole 7.

Two threaded holes are formed in two sides of the fixture correcting hole 7 and are arranged with the positioning block 3 to be connected with the pressing block 4 and the locking screw 1 to fix a part to be processed.

The sizes of the positioning pin 2 and the part positioning hole 6 are consistent with the size of the part positioning hole to be processed.

The working process is as follows:

a multi-station connecting rod part hole finish machining clamp is characterized in that before machining, a part is firstly placed on a V-shaped groove of a positioning block 3 in a drawing 2, a hole to be machined is aligned to a part positioning hole 6 in the drawing 3, and a positioning pin 2 in the drawing 1 is inserted for positioning, as shown in the drawing 4. The locking screw 1 in fig. 1 is screwed in, so that the pressing block 4 in fig. 3 fixes the part, and finally the positioning pin 2 is pulled out.

And (3) integrally placing the clamp on a machine tool, correcting the clamp correcting hole 7 in the figure 3 through the probe, and aligning the position of the part to finish milling.

Claims

1. The multi-station connecting rod part hole finish machining clamp is characterized by comprising a locking screw (1), a positioning pin (2), a positioning block (3), a pressing block (4), a clamp base body (5), a part positioning hole (6) and a clamp correcting hole (7); positioning blocks (3) are fixed on two sides of the upper surface of the clamp base body (5), two ends of each positioning block (3) are respectively provided with a part positioning hole (6), a positioning pin (2) is arranged in each part positioning hole (6), each part is positioned in the length direction and the angular direction by the positioning pin (2), and a clamp correcting hole (7) is formed in the center of the surface of the clamp base body (5); two threaded holes are formed in two sides of the fixture correcting hole (7), the clamping block (4) is fixed on the fixture base body (5) through the threaded holes penetrated by the locking screws (1) and can move up and down along the locking screws (1), and the clamping block (4) is located above the positioning block (3) and matched with the positioning block (3) to clamp parts.

2. A multi-station connecting rod part hole finishing clamp according to claim 1, characterized by further comprising a gasket, wherein the gasket is arranged between the pressing block (4) and the locking screw (1).

3. A multi-station connecting rod part hole finishing clamp according to claim 1, characterized in that the positioning blocks (3) are arranged in a multi-row form.

4. The multi-station connecting rod part hole finish machining clamp as claimed in claim 1, wherein the positioning block (3) is of a V-shaped positioning structure and matched with the outer diameter of a part.

5. A multi-station connecting rod part hole finishing clamp according to claim 1, characterized in that a clamp correction hole (7) is arranged in the center of the clamp.

6. A multi-station connecting rod part hole finishing jig according to claim 1, wherein the positioning blocks (3) and the part positioning holes (6) are symmetrically distributed about the jig correcting hole (7).

7. The multi-station connecting rod part hole finish machining clamp as claimed in claim 1, wherein two threaded holes are formed in two sides of the clamp correcting hole (7) and are arranged in parallel with the positioning block (3) to be connected with the pressing block (4) and the locking screw (1) to fix a part to be machined.

8. The multi-station connecting rod part hole finish machining clamp as claimed in claim 1, wherein the sizes of the positioning pin (2) and the part positioning hole (6) are the same as those of a part positioning hole to be machined.