CN211029095U

CN211029095U - Machining jig

Info

Publication number: CN211029095U
Application number: CN201921913164.8U
Authority: CN
Inventors: 聂运尧; 聂凌志
Original assignee: Kunshan Xulong Prec Machinery Co ltd
Current assignee: Kunshan Xulong Prec Machinery Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-17
Anticipated expiration: 2029-11-07

Abstract

The utility model provides a machining jig for solving the problems of vibration and tool shake generated when processing in each area caused by unclamping or even stress on a casting, which comprises a rotary table, a support plate and a pressing mechanism; the utility model discloses a bearing device, including bearing plate, carrier board, supporting plate, clamping mechanism, bearing plate upper end face, the bearing plate lower extreme face is connected with the carrier board through concave type supporting shoe, the bearing plate lower extreme face is provided with a plurality of cylinder, and a plurality of the cylinder piston rod runs through the carrier board, hold-down mechanism includes the pivot seat, the pivot seat is connected with the clamp plate through the pivot, cylinder piston rod top hinged joint's rotor plate is connected with the clamp plate pivot, the terminal surface is provided with the briquetting under the clamp plate, be provided with a plurality of support columns. The utility model discloses, the structure is simple and convenient, carries out accurate location to the foundry goods to press from both sides tightly, avoid in the course of working foundry goods emergence vibrations and shake the sword, improve the machining efficiency of foundry goods.

Description

Machining jig

Technical Field

The utility model relates to a foundry goods processing field especially relates to a machining tool.

Background

The surface of the casting is processed by the cutter, and when the main shaft drives the cutter to rotate, the moving speed is very high. When the casting is not completely clamped and the clamping stress is not uniform, the vibration of the machined casting can be caused, and the surface machining of the casting is influenced; meanwhile, the vibration of the cutter can be caused, so that the problems of chatter text and the like are caused on the surface of the casting, and the processing qualified rate of the casting is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a machining jig, the structure is simple and convenient, carries out accurate location to the foundry goods to press from both sides tightly, avoid in the course of working foundry goods emergence vibrations and shake the sword, improve the machining efficiency of foundry goods.

The technical scheme is as follows: a machining jig comprises a rotary table, a supporting plate and a pressing mechanism; the utility model discloses a bearing device, including bearing plate, carrier board, supporting plate, clamping mechanism, bearing plate upper end face, the bearing plate lower extreme face is connected with the carrier board through concave type supporting shoe, the bearing plate lower extreme face is provided with a plurality of cylinder, and a plurality of the cylinder piston rod runs through the carrier board, hold-down mechanism includes the pivot seat, the pivot seat is connected with the clamp plate through the pivot, cylinder piston rod top hinged joint's rotor plate is connected with the clamp plate pivot, the terminal surface is provided with the briquetting under the clamp plate, be provided with a plurality of support columns.

Preferably, the support plate is located between the two turntables, and the number of the concave support blocks is two.

Preferably, the number of the cylinders is four, and the cylinders are specifically located on two sides of the carrier plate in the length direction.

Preferably, the pressing plate is provided with a straight groove, and the rotating plate is vertically arranged and located in the straight groove.

Preferably, the number of the air cylinders, the number of the pressing mechanisms and the number of the rotating plates are the same, and the positions of the air cylinders correspond to the positions of the rotating plates.

Preferably, the positioning blocks are provided with positioning columns, and the positioning columns correspond to the pressing blocks in position.

The utility model discloses realize following beneficial effect:

1. the piston rod of the air cylinder extends out to drive the rotating plate to rotate, and simultaneously drives the pressing plate to press downwards, so that the pressing block presses the casting to be processed, the casting is prevented from vibrating in the rotary processing process, and the processing efficiency of the casting is improved;

2. the casting needing to be processed is accurately positioned through the positioning columns on the supporting columns and the positioning blocks, and the cylinder is convenient to clamp the casting.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is an axial view of the overall structure provided by the present invention.

Fig. 2 is a schematic view of a part of the structure provided by the present invention.

Fig. 3 is another schematic structural diagram of the present invention.

In the figure: 1. a turntable; 2. a support plate; 3. a concave support block; 4. a cylinder; 5. a carrier plate; 6. a support pillar; 7. a hold-down mechanism; 71. a rotating shaft seat; 72. pressing a plate; 73. briquetting; 74. a straight slot; 8. a rotating plate; 9. positioning blocks; 10. and a positioning column.

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.

Referring to fig. 1 to 3, a machining jig includes a turntable 1, a support plate 2, and a pressing mechanism 7; the upper end surface of the supporting plate 2 is connected with the lower end surface of a carrier plate 5 through a concave supporting block 3, and the concave supporting block 3 plays a supporting role on the carrier plate 5; the lower end face of the carrier plate 5 is provided with a plurality of cylinders 4, piston rods of the cylinders 4 penetrate through the carrier plate 5, the pressing mechanism 7 comprises a rotating shaft seat 71, the rotating shaft seat 71 is connected with a pressing plate 72 through a rotating shaft, a rotating plate 8 hinged to the top end of the piston rod of each cylinder 4 is connected with the pressing plate 72 through a rotating shaft, and the piston rod of each cylinder 4 retracts to drive the rotating plate 8 to move downwards, so that the pressing plate 72 is pulled to press downwards to press a product on the supporting column 6; a pressing block 73 is arranged on the lower end face of the pressing plate 72, and the pressing block 73 presses the product; be provided with a plurality of support columns 6 and locating piece 9 on the carrier board 5, support column 6 supports the foundry goods, locating piece 9 carries out preliminary location to the foundry goods, just support column 6 and locating piece 9 all correspond with briquetting 73 position, ensure to compress tightly the foundry goods completely.

The supporting plate 2 is positioned between the two rotary tables 1, the concave supporting blocks 3 are arranged in two numbers, and the concave supporting blocks 3 are fixedly connected with the carrier plate 5 through screws.

The number of the cylinders 4 is four, and the cylinders are specifically located on two sides of the carrier plate 5 in the length direction.

The pressing plate 72 is provided with a straight groove 74, and the rotating plate 8 is vertically arranged and located in the straight groove 74.

The air cylinders 4 are the same in number and corresponding in position with the pressing mechanisms 7 and the rotating plates 8, compression of the castings can be achieved by retraction of piston rods of the air cylinders 4, and the castings are prevented from vibrating and are prevented from shaking in the machining process.

All be provided with reference column 10 on the locating piece 9, carry out accurate location to the foundry goods through reference column 10, reference column 10 corresponds with briquetting 73 position.

The working principle is as follows: in an initial state, a piston rod of the air cylinder 4 extends out, a worker places a casting to be processed on a support column 6 on the carrier plate 5, primary positioning is carried out through the support column 6, and accurate positioning is carried out through a positioning column 10 on a positioning block 9; after the completion of pending location, cylinder 4 piston rod withdrawal drives rotor plate 8 downstream, makes the clamp plate 72 downstream this moment, and the foundry goods that will process is compressed tightly to briquetting 73 this moment, and revolving stage 1 can drive the foundry goods and rotate and carry out the processing on foundry goods surface, guarantees the accurate location of foundry goods and avoids the foundry goods to produce vibrations and shake the sword simultaneously, improves the machining efficiency of foundry goods.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All changes and modifications that come within the spirit of the invention are desired to be protected.

Claims

1. A machining jig is characterized by comprising a rotary table (1), a supporting plate (2) and a pressing mechanism (7); the utility model discloses a bearing plate, including backup pad (2), carrier board (5), hold-down mechanism (7), pivot seat (71) are connected with clamp plate (72) through the pivot, cylinder (4) piston rod runs through carrier board (5), backup pad (2) up end is connected with carrier board (5) lower terminal surface through concave type supporting shoe (3), carrier board (5) lower terminal surface is provided with a plurality of cylinder (4), and a plurality of cylinder (4) piston rod top hinged joint's rotor plate (8) are connected with clamp plate (72) pivot, the terminal surface is provided with briquetting (73) under clamp plate (72), be provided with a plurality of support columns (6) and locating piece (9) on carrier board (5), just support column (6) and locating piece (9) all correspond with briquetting (73) position.

2. A machining fixture according to claim 1, characterized in that the supporting plate (2) is located between two turrets (1), and there are two female supporting blocks (3).

3. A machining jig according to claim 1 characterized in that the cylinders (4) are provided in four and are located on both sides of the carrier plate (5) in the length direction.

4. A machining jig according to claim 1 characterized in that the pressure plate (72) is provided with a straight groove (74), and the rotating plate (8) is vertically arranged and located in the straight groove (74).

5. A machining jig according to claim 1 characterized in that the number of the air cylinders (4) is the same as the number of the pressing mechanisms (7) and the rotating plates (8) and the positions of the air cylinders correspond to the positions of the rotating plates.

6. The machining jig according to claim 1, characterized in that positioning columns (10) are arranged on the positioning blocks (9), and the positioning columns (10) correspond to the pressing blocks (73).