CN212652420U

CN212652420U - Workpiece shaping jig

Info

Publication number: CN212652420U
Application number: CN202020840918.8U
Authority: CN
Inventors: 刘惠林
Original assignee: Freewon China Co Ltd
Current assignee: Freewon China Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-03-05
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a workpiece shaping jig, which comprises a base, wherein a driving source, a shaping block and a fixed seat for fixing a workpiece are arranged on the base, the shaping block is positioned above the fixed seat, a convex groove is arranged on the fixed seat, a sliding part matched with the convex groove is arranged on the shaping block, and the driving source drives the shaping block to slide along the convex groove to press the workpiece; the fixing seat is fixedly provided with a first limiting part and a second limiting part, and the shaping block is located between the first limiting part and the second limiting part. The device can realize local shaping, improves the working efficiency and has high shaping precision.

Description

Workpiece shaping jig

Technical Field

The utility model relates to a metal powder technical field, concretely relates to work piece plastic tool.

Background

Metal powder Injection Molding (hereinafter referred to as MIM) is a Molding method in which a plasticized mixture of Metal powder and a binder thereof is injected into a mold, and a sintering process is a technique in which a powder or powder compact is heated to obtain a strengthened and densified product, and in the sintering process, the product is heated to a temperature lower than the melting point of the main component, and physical and chemical actions such as bonding between particles occur. Sintering eliminates the voids between the powder particles, while sintered products present a linear shrinkage of about 13% to 25% due to the presence of the binder, which often results in local deformation of the product. The correction and shaping of the product usually adopts the means of applying pressure by external force, the product is placed in a mould, and the pressure of closing the mould is utilized to deform the product so as to achieve the correction purpose.

The above-mentioned technical means for deforming a product using pressure to achieve corrective purposes generally have several problems:

1. when the product is shaped by external force, the product deviates;

2. the shaping method generally applies pressure in a mode of opening and closing the die to ensure that a product is fit with the die to achieve the purpose of shaping, and the service life of the die is considered at the moment;

3. after the shaping, the workpiece has self-limiting resilience, so that the workpiece sometimes cannot meet the size requirement, and the working efficiency is low.

In addition, for some workpieces with harsh requirements and small sizes, the deformation part is often not global, is mostly at the part with small green body density, is mostly at the stress concentration part, is invisible to naked eyes and exceeds the tolerance, only needs to be locally slightly corrected, and if the workpiece is shaped by using a die according to the traditional method, the cost performance is not high, and the problem of excessive shaping jig performance also exists.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a work piece plastic tool, it can realize local plastic, improves work efficiency, and the plastic precision is high.

In order to solve the technical problem, the utility model provides a workpiece reshaping jig, which comprises a base, wherein the base is provided with a driving source, a reshaping block and a fixing seat for fixing a workpiece, the reshaping block is positioned above the fixing seat, the fixing seat is provided with a convex groove, the reshaping block is provided with a sliding part matched with the convex groove, and the driving source drives the reshaping block to slide along the convex groove so as to press the workpiece;

the fixing seat is fixedly provided with a first limiting part and a second limiting part, and the shaping block is located between the first limiting part and the second limiting part.

Preferably, the fixing seat is provided with an accommodating groove for inserting a workpiece.

Preferably, the fixed seat is further provided with a stop block, and the stop block is positioned on one side of the workpiece, which is far away from the shaping block, so as to limit the workpiece.

Preferably, the base is an L-shaped base.

Preferably, the L-shaped base comprises a bottom plate and a side plate which are vertically arranged, the fixing base is arranged on the bottom plate, the driving source is arranged on the side plate, and a fixing member is arranged between the bottom plate and the side plate.

Preferably, a through hole is horizontally formed in the side plate in a penetrating mode, the driving source is an air cylinder, a piston rod of the air cylinder penetrates through the through hole, and the piston rod of the air cylinder is fixedly arranged with the shaping block.

Preferably, the shaping block is provided with a convex groove, and the end part of the piston rod is matched with the convex groove on the shaping block.

Preferably, the number of the first limiting members is two, and the two first limiting members are symmetrically arranged relative to the shaping block.

Preferably, a limiting long groove is formed in the shaping block, and an end of the second limiting part is located in the limiting long groove.

Preferably, the surface of the shaping block is provided with a gasket or a coated fabric.

The utility model has the advantages that:

1. the utility model discloses a fixed work piece on the fixing base, later, drive the motion of the convex groove of shaping piece along the fixing base through the driving source, so, the shaping piece supports and presses the work piece to realize the local plastic of work piece, and the shaping position also can be through the shape of adjustment shaping piece and adjust.

2. The utility model discloses seted up the convex groove on the fixing base, be provided with on the shaping piece with convex groove matched with sliding part, driving source drive shaping piece slides along the convex groove in order to support and press the work piece, so, the stability of motion is higher.

3. The utility model discloses the precision of plastic is high, compares with traditional mould plastic, the sexual valence relative altitude, and work efficiency is high.

Drawings

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

FIG. 2 is a schematic structural view of a shaping block, i.e., a fixing seat;

fig. 3 is a schematic structural view of a shaping block.

The reference numbers in the figures illustrate: 10. a base; 20. a fixed seat; 30. shaping blocks; 31. a limiting long groove; 40. a drive source; 41. a piston rod; 42. a fixing member; 50. a first limit piece; 51. a second limiting member; 60. and (5) a workpiece.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1-3, the utility model discloses a work piece plastic tool, including base 10, be provided with driving source 40, shaping block 30 on the base 10, be used for fixed work piece 60's fixing base 20, shaping block 30 is located the top of fixing base 20, has seted up the convex groove on the fixing base 20, is provided with the sliding part with convex groove matched with on the shaping block 30, and driving source 40 drives shaping block 30 and slides along the convex groove in order to support and press work piece 60, so, the stability of motion is higher. The fixing base 20 is fixedly provided with a first limiting member 50 and a second limiting member 51, and the shaping block 30 is located between the first limiting member 50 and the second limiting member 51. By fixing the workpiece 60 on the fixing seat 20, and then driving the shaping block 30 to move along the convex groove of the fixing seat 20 through the driving source 40, the shaping block 30 is pressed against the workpiece 60, so that the local shaping of the workpiece 60 is realized.

The fixing base 20 is provided with a receiving groove for inserting the workpiece 60. By inserting the work 60 into the accommodation groove without the need for the shaping portion, it is convenient to shape the exposed portion.

A stop (not shown) is further disposed on the fixing base 20, and the stop is located on a side of the workpiece 60 away from the shaping block 30 to limit the workpiece 60, so that the workpiece 60 has better stability.

The base 10 is an L-shaped base 10. L type base 10 includes the bottom plate and the curb plate of perpendicular setting, and fixing base 20 sets up on the bottom plate, and driving source 40 sets up on the curb plate, is provided with mounting 42 between bottom plate and the curb plate.

A through hole is horizontally formed in the side plate in a penetrating mode, the driving source 40 is an air cylinder, a piston rod 41 of the air cylinder penetrates through the through hole, and the piston rod 41 of the air cylinder and the shaping block 30 are fixedly arranged. So set up, the structure is more firm.

The shaping block 30 is provided with a convex groove, and the end of the piston rod 41 is matched with the convex groove on the shaping block 30. In this manner, the shaping block 30 may move back and forth with the piston rod 41.

The first limiting members 50 are two, and the two first limiting members 50 are symmetrically arranged relative to the shaping block 30. The two first limiting members 50 limit the whole block 30, so that the stability is better. A limiting long groove 31 is formed on the shaping block 30, and the end of the second limiting member 51 is located in the limiting long groove 31.

The surface of the shaping block 30 is provided with a pad or a coated fabric (not shown in the figure), the thickness brought by the pad or the fabric can be used for conveniently increasing the shaping amount, so that the aim of shaping the workpiece 60 to eliminate the rebound amount is achieved, and in addition, the existence of the pad or the fabric can also protect the workpiece 60 and reduce the damage probability of the workpiece 60.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A workpiece shaping jig is characterized by comprising a base, wherein a driving source, a shaping block and a fixing seat for fixing a workpiece are arranged on the base, the shaping block is positioned above the fixing seat, a convex groove is formed in the fixing seat, a sliding part matched with the convex groove is arranged on the shaping block, and the driving source drives the shaping block to slide along the convex groove so as to press the workpiece;

2. The workpiece shaping jig according to claim 1, wherein the fixing base is provided with a receiving groove for inserting the workpiece.

3. The workpiece shaping jig according to claim 1, wherein a stopper is further provided on the fixing base, and the stopper is located on a side of the workpiece away from the shaping block to limit the workpiece.

4. The workpiece shaping jig according to claim 1, wherein the base is an L-shaped base.

5. The workpiece shaping jig according to claim 4, wherein the L-shaped base comprises a bottom plate and a side plate which are vertically arranged, the fixing base is arranged on the bottom plate, the driving source is arranged on the side plate, and a fixing member is arranged between the bottom plate and the side plate.

6. The workpiece shaping jig according to claim 5, wherein a through hole is horizontally formed through the side plate, the driving source is an air cylinder, a piston rod of the air cylinder is arranged in the through hole in a penetrating manner, and the piston rod of the air cylinder is fixedly arranged with the shaping block.

7. The workpiece shaping jig according to claim 6, wherein the shaping block is provided with a convex groove, and the end of the piston rod is fitted with the convex groove of the shaping block.

8. The workpiece shaping jig according to claim 1, wherein there are two first stoppers, and the two first stoppers are symmetrically disposed with respect to the shaping block.

9. The workpiece reshaping jig of claim 1, wherein the reshaping block is provided with a limiting long groove, and an end of the second limiting member is located in the limiting long groove.

10. The workpiece shaping jig according to claim 1, wherein a surface of the shaping block is provided with a spacer or a coated fabric.