CN216095667U

CN216095667U - Workpiece shaping tool

Info

Publication number: CN216095667U
Application number: CN202122580412.5U
Authority: CN
Inventors: 谢刚; 杨勇
Original assignee: Anhui Haofang Electromechanics Co Ltd
Current assignee: Anhui Haofang Electromechanics Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-03-22
Anticipated expiration: 2031-10-26

Abstract

The utility model provides a workpiece shaping tool, which comprises a bottom plate (1) and an upper plate (2) which are correspondingly distributed, wherein a lower die holder (3) is arranged on the bottom plate (1), and an upper die holder (4) is arranged on the upper plate (2), and the workpiece shaping tool is characterized in that: the workpiece flattening die is characterized in that a workpiece placing block (5) is arranged on the lower die base (3), sliding block assemblies (7) which correspond to and are matched with workpieces to be shaped (6) are respectively arranged on two sides of the workpiece placing block (5), workpiece flattening blocks (9) which correspond to and are matched with the workpieces to be shaped (6) are arranged on the upper die base (4), and positioning assemblies (8) which correspond to and are matched with the sliding block assemblies (7) are arranged on the upper die base (4) on two sides of the workpiece flattening blocks (9). The utility model has the advantages of simple structure, convenient use, compact integral structure, good surface effect of the shaping workpiece, convenient taking and placing of the workpiece, high working efficiency and the like.

Description

Workpiece shaping tool

The technical field is as follows:

the utility model relates to the field of workpiece shaping, in particular to a workpiece shaping tool.

Background art:

metal Powder Injection Molding (MIM) is a new Powder metallurgy near-net shape forming technology formed by introducing modern plastic Injection Molding technology into Powder metallurgy field. In the sintering process after the metal powder injection molding process, due to the fact that sintering shrinkage is large, deformation and warping often occur, deformation amount can reach 0.05mm-1mm according to the size of a product, particularly for parts with complex structures and reverse buckles, flatness of the reverse buckle position is difficult to shape in place once, multiple shaping steps are often needed to complete the process, efficiency is low, and comprehensive yield is low. At present, the shaping tool which is simple in operation and high in working efficiency is urgently needed, and can give consideration to multiple product stations including the inverted buckle at one time.

The utility model has the following contents:

the utility model provides a workpiece shaping tool for overcoming the defects in the prior art.

The application provides the following technical scheme:

the utility model provides a work piece plastic frock, it is including corresponding bottom plate and the upper plate that distributes, is equipped with the die holder on the bottom plate, is equipped with upper die base, its characterized in that on the upper plate: the upper die base is provided with a positioning assembly which is correspondingly matched with the sliding block assembly.

On the basis of the technical scheme, the following further technical scheme can be provided:

the groove body is internally provided with a guide groove correspondingly matched with the sliding block component.

The sliding block assembly comprises a first sliding block, a first groove body is arranged on the first sliding block, a movable block which corresponds to and is matched with a workpiece to be shaped is connected to the first groove body, the movable block is movably connected with the first sliding block through an equal-height bolt, a first spring is sleeved on a polished rod section of the equal-height bolt, a mounting hole which corresponds to and is matched with the first spring is formed in the bottom of the movable block, a first slope surface is arranged on the groove wall of the first groove body, a second mounting hole is formed in one side of the first sliding block below the first groove body, a second spring which corresponds to and is matched with the side wall of the workpiece placing block is mounted in the second mounting hole, and guide strips which correspond to and are matched with the guide grooves are further extended from two sides of the first sliding block.

The positioning assembly comprises a first pressing piece distributed on the outer side of the workpiece flattening block, an upper template is sleeved on the outer side of the first pressing piece, a matching flange corresponding to the upper template is arranged on the first pressing piece, a lower pressing column is arranged on the outer side of the upper template, a second slope surface corresponding to the sliding block assembly is arranged at the lower end of the lower pressing column, and a flanging corresponding to the upper die holder and matched with the upper die holder is arranged at the upper end of the lower pressing column.

The workpiece placing block comprises a base, a convex block is arranged on the base, and a pair of positioning blocks correspondingly matched with the workpiece to be shaped is arranged on the convex block.

And a limit screw which is correspondingly matched with the sliding block component in a limiting way is arranged in the groove body.

Utility model advantage:

the utility model has the advantages of simple structure, convenient use, compact integral structure, good surface effect of the shaping workpiece, convenient taking and placing of the workpiece, high working efficiency and the like.

Description of the drawings:

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

fig. 2 is a schematic perspective view of the slider assembly of the present invention in an exploded view.

The specific implementation mode is as follows:

as shown in fig. 1 and 2, the workpiece shaping tool comprises a bottom plate 1, wherein a lower die holder 3 is connected to the bottom plate 1, and a through groove-shaped groove body 3a is arranged on the lower die holder 3. A slot 3b correspondingly matched with the workpiece placing block 5 is arranged in the middle of the slot body 3a, and guide slots 3c axially distributed along the slot body 3a are arranged on the inner wall of the slot body 3a at the two sides of the slot 3 b.

The workpiece placing block 5 is inserted into the slot 3b, the workpiece placing block 5 comprises a base 5c, an integrally formed convex block 5a is arranged at the top end of the base 5c, and the axis of the convex block 5a is perpendicular to the axial direction of the groove body 3 a. Two ends of the top surface of the projection 5a extend upwards to form an upper positioning block 5 b.

And a sliding block component 7 is respectively inserted in the groove bodies 3a at the two sides of the slot 3 b. The sliding block assembly 7 comprises a first sliding block 7a, guide strips 7k which are correspondingly matched with the guide grooves 3c extend from two sides of the lower portion of the first sliding block 7a respectively, the first sliding block 7a is inserted into the groove body 3a in a mode that the guide strips 7k are inserted into the guide grooves 3c, and the first sliding block 7a can move axially along the groove body 3 a. The bottom of the groove body 3a is connected with a limiting screw 3d, and the moving distance of the moving slide block assembly in the horizontal direction is limited through the limiting screw 3 d.

A second mounting hole 7h which is horizontally distributed is formed in the side portion, opposite to the workpiece placing block 5, of the first sliding block 7a above the guide strip 7k, a second spring 7j is mounted in the second mounting hole 7h, and one end of the second spring 7j extends out of the second mounting hole 7h to be in contact with the base 5 c.

A first groove body is arranged on one side of the upper part of the first sliding block 7a, and a first slope 7f is arranged on one side of the upper end part of the groove wall of the first groove body.

A movable block 7b is arranged, a through hole 7t is formed in the movable block 7b, an equal-height bolt 7c penetrates through the through hole 7t, and a screw section of the equal-height bolt 7c is connected with the first sliding block 7 a. The movable block 7b is sleeved on the polished rod section of the equal-height bolt 7c and can move up and down for a certain distance along the polished rod section. The upper end of the through hole 7t is provided with a first expanding part correspondingly matched with the nut of the equal-height bolt 7c, the lower end of the through hole 7t is provided with a mounting hole 7e which is coaxially distributed and has an expanded diameter, and a first spring 7d sleeved on the polished rod section of the equal-height bolt 7c is arranged in the mounting hole 7 e.

A group of guide posts 10 are arranged on the lower die holder 3, an upper plate 2 is arranged on the guide posts 10 in a penetrating manner, the upper surface of the upper plate 2 is connected with a power device (prior art) which is not shown in the figure, and the upper plate 2 is driven by the power device to move up and down along the guide posts 10.

The upper plate 2 is connected with a workpiece flattening block 9 which is distributed corresponding to the workpiece placing block 5 through a connecting spring 9b, and the upper end part of the workpiece flattening block 9 is provided with an expanding part 9a which extends towards two sides. And a positioning component 8 correspondingly matched with the sliding block component 7 is arranged on the outer side of the workpiece flattening block 9.

The positioning assembly 8 comprises first pressing pieces 8a distributed on the left and right sides of the workpiece flattening block 9, a through groove correspondingly matched with the expanding portion 9a is formed in one side of the upper end of each first pressing piece 8a, the depth of the through groove is larger than the thickness of the expanding portion 9a, so that the expanding portion 9a can move up and down in the ring groove for a distance S3.

A circle of flange parts 18a extend out of the other side of the upper end part of the first pressing piece 8a, an upper template 8b fixedly connected with the upper plate 2 is sleeved on the outer side of the first pressing piece 8a, and square clamping grooves 18b correspondingly matched with the flange parts 18a are formed in the upper template 8 b. Lower pressing blocks 8c are arranged on the left side and the right side of the upper template 8b, a second slope surface 8d correspondingly matched with the first slope surface 7f is arranged at the lower end part of the lower pressing block 8c, and a bulge 8e is protruded on the side surface of the upper end part of the lower pressing block 8 c. The upper die base 4 is sleeved on the lower pressing block 8c, the upper die base 4 is provided with an annular notch 4a which is correspondingly matched with the turned edge 8e, and the upper die base 4 and the lower pressing block 8c are both connected with the upper plate 2 through bolts which are not shown in the figure.

The use process comprises the following steps:

the workpiece 6 to be reshaped is inserted on the projection 5a and is positioned by the positioning block 5b, then the workpiece 6 to be reshaped is clamped by the movable slide block components 7 from two sides, a certain gap S1 is left between the nut of the equal-height bolt 7c and the bottom of the first expanding part, and another gap S2 is also left between the upper surface of the movable block 7b and the workpiece 6 to be reshaped. The height relationship between S1 and S2 is as follows: s1= S2+0.2 mm. When the tooling is closed, the workpiece flattening surface block 9 can move up and down by the distance of S3, so that the workpiece flattening surface block 9 can press the upper surface of the workpiece 6 to be shaped after moving down by the distance of S3 under the action of the connecting spring 9 b.

At this time, the movable block 7b keeps in a pushing and downward bouncing state under the action of the first spring 7d, and at this time, the movable block is bounced up by S1=0 and S2=0.2, so that the top surface of the movable block 7b is always lower than the upper surface of the workpiece 6 to be reshaped, and the bottom surface of the top surface of the movable block 7b is not in contact with the workpiece 6 to be reshaped, and then the product is prevented from being damaged when the first slide block 7a drives the movable block 7b to move.

When the workpiece flattening surface block 9 moves to be 0.05-0.1mm away from the upper surface of the workpiece 6 to be reshaped, the second slope surface 8d is separated from the first slope surface 7f, the workpiece flattening surface block 9 presses the workpiece 6 to be reshaped downwards, and the workpiece placing block 5 supports the workpiece 6 to be reshaped downwards, so that reshaping of the upper surface of the workpiece 6 to be reshaped is completed.

When the upper die holder 2 continues to move downwards, the first pressing piece 8a continues to press the movable block 7b downwards to move downwards to press the flanging part 6a of the lower part of the workpiece 6 to be reshaped, and S3, S1 and S2 all increase to the maximum value. At this time, the pressing and shaping of the flanging part 6a at the upper surface and the lower part of the workpiece 6 to be shaped are completed.

Claims

1. The utility model provides a work piece plastic frock, it is including corresponding bottom plate (1) and upper plate (2) that distribute, is equipped with die holder (3) on bottom plate (1), is equipped with upper die base (4) on upper plate (2), its characterized in that: the workpiece shaping device is characterized in that a groove body (3 a) is arranged on the lower die base (3), a workpiece placing block (5) is connected onto the groove body (3 a) on two sides of the workpiece placing block (5), a sliding block assembly (7) which is correspondingly matched with a workpiece (6) to be shaped is connected onto the groove body (3 a), a workpiece flattening block (9) which is correspondingly matched with the workpiece (6) to be shaped is arranged on the upper die base (4), and a positioning assembly (8) which is correspondingly matched with the sliding block assembly (7) is arranged on the upper die base (4) on two sides of the workpiece flattening block (9).

2. The workpiece shaping tool according to claim 1, characterized in that: a guide groove (2 b) correspondingly matched with the sliding block component (7) is arranged in the groove body (3 a).

3. The workpiece shaping tool according to claim 2, characterized in that: the sliding block component (7) comprises a first sliding block (7 a), a first groove body is arranged on the first sliding block (7 a), a movable block (7 b) which is correspondingly matched with a workpiece (6) to be shaped is connected onto the first groove body, the movable block (7 b) is movably connected with the first sliding block (7 a) through an equal-height bolt (7 c), a first spring (7 d) is sleeved on a polished rod section of the equal-height bolt (7 c), a mounting hole (7 e) which is correspondingly matched with the first spring (7 d) is arranged at the bottom of the movable block (7 b), a first slope surface (7 f) is arranged on the groove wall of the first groove body, a second mounting hole (7 h) is arranged on one side of the first sliding block (7 a) below the first groove body, a second spring (7 j) which is correspondingly matched with the side wall of the workpiece placing block (5) is arranged in the second mounting hole (7 h), and a guide strip (2 b) which is correspondingly matched with the guide groove (2 b) is further extended from two sides of the first sliding block (7 a) 7k) In that respect

4. The workpiece shaping tool according to claim 2, characterized in that: locating component (8) including distributing in the first piece (8 a) that compresses tightly in the work piece flattening piece (9) outside, it is equipped with cope match-plate pattern (8 b) to overlap in the first piece (8 a) outside that compresses tightly, be equipped with on first piece (8 a) that compresses tightly and correspond with cope match-plate pattern (8 b) and be connected cooperation flange (8 f), be equipped with down compression leg (8 c) in cope match-plate pattern (8 b) outside, be equipped with down the tip under compression leg (8 c) and correspond complex second domatic (8 d) with slider assembly (7), be equipped with and correspond connection complex arch (8 e) with upper die base (4) in compression leg (8 c) upper end down.

5. The workpiece shaping tool according to claim 1 or 2, characterized in that: the workpiece placing block (5) comprises a base (5 c), a bump (5 a) is arranged on the base (5 c), and a pair of positioning blocks (5 b) which are correspondingly matched with the workpiece (6) to be shaped are arranged on the bump (5 a).

6. The workpiece shaping tool according to claim 5, characterized in that: and a limiting screw (3 d) which is correspondingly limited and matched with the sliding block component (7) is arranged in the groove body (3 a).