CN210730978U

CN210730978U - Punch mechanism of powder metallurgy die

Info

Publication number: CN210730978U
Application number: CN201921859707.2U
Authority: CN
Inventors: 谢成成
Original assignee: Suzhou Yikechi Precision Machinery Co Ltd
Current assignee: Suzhou Yikechi Precision Machinery Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-12
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a drift mechanism of powder metallurgy mould belongs to powder metallurgy technical field. The utility model provides a drift mechanism of powder metallurgy mould, includes the jumper bar, goes up mould, lower mould and centre gripping locating component, goes up the mould and sets firmly in the jumper bar lower extreme, and the lower mould sets up under last mould, and the outside of jumper bar is located to centre gripping locating component cover, and centre gripping locating component lower extreme and lower mould sliding contact. The utility model has the advantages of simple and reasonable design, powerful establishes the centre gripping locating component through the cover on the ram, and the symmetry sets up two deflectors in the die cavity of lower mould for put into the die cavity with the mould after receive the centre gripping locating component check, the location is quick more, accurate, and need not manual operation, has avoided the position that the tradition needed artifical manual calibration mould, not only wastes time and energy, and has the problem of certain potential safety hazard.

Description

Punch mechanism of powder metallurgy die

Technical Field

The utility model relates to a powder metallurgy technical field, more specifically say, relate to a powder metallurgy die's drift mechanism.

Background

When the existing powder metallurgy die is stamped and shaped by using a punch, the position of the die is usually calibrated manually, time and labor are wasted, certain potential safety hazards exist, and how to provide a punch mechanism with a calibration and positioning function is particularly important.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a drift mechanism of powder metallurgy mould to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

The utility model provides a drift mechanism of powder metallurgy mould, includes the jumper bar, goes up mould, lower mould and centre gripping locating component, it sets firmly in the jumper bar lower extreme to go up the mould, the lower mould sets up under last mould, the jumper bar outside is located to centre gripping locating component cover, just centre gripping locating component lower extreme and lower mould sliding contact.

Preferably, the outer side of the upper part of the punch rod is provided with a limiting ring, the outer side of the middle part of the punch rod is symmetrically provided with two sliding bulges, and the sliding bulges, the limiting ring and the punch rod are all of an integrally formed structure.

Preferably, the die cavity is formed in the top surface of the lower die, two guide plates are symmetrically welded in the die cavity, the guide plates are obliquely arranged and are in sliding contact with the lower end of the clamping and positioning assembly, and a fillet A is formed at the joint of the lower ends of the guide plates and the inner bottom surface of the die cavity.

Preferably, the clamping and positioning assembly comprises a sliding block, the sliding block is sleeved on the outer side of the middle of the plunger, guide grooves are symmetrically formed in sliding grooves in the middle of the sliding block, and the inner sides of the guide grooves are in sliding fit with the outer sides of the sliding protrusions.

Preferably, a spring A is sleeved on the punch rod and is opposite to the position between the top surface of the sliding block and the bottom surface of the limiting ring, and the upper end and the lower end of the spring A are respectively and tightly welded with the top surface of the sliding block and the bottom surface of the limiting ring.

Preferably, the bottom surface of the sliding block is symmetrically welded with two hinged supports, the hinged supports are internally hinged with clamping arms, the outer walls of the clamping arms are provided with springs B, and the two side ends of the springs B are respectively and tightly welded with the outer walls of the clamping arms and the bottom surface of the end part of the sliding block.

Preferably, two inclined planes are symmetrically formed at the lower end of the clamping arm, a fillet B is formed at the joint of each inclined plane and the bottom surface of the clamping arm, and a rubber pad is bonded on the inclined plane opposite to the inner side of the clamping arm.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the utility model has the advantages of simple and reasonable design, powerful establishes the centre gripping locating component through the cover on the ram, and the symmetry sets up two deflectors in the die cavity of lower mould for put into the die cavity with the mould after receive the centre gripping locating component check, the location is quick more, accurate, and need not manual operation, has avoided the position that the tradition needed artifical manual calibration mould, not only wastes time and energy, and has the problem of certain potential safety hazard.

Drawings

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

FIG. 2 is an enlarged schematic view of a part of the structure of the present invention;

the reference numbers in the figures illustrate: 1. punching; 101. a limiting ring is arranged; 102. a sliding projection; 2. an upper die; 3. a lower die; 301. a die cavity; 302. a guide plate; 303. a fillet A; 4. clamping and positioning components; 401. a slider; 402. a guide groove; 403. a spring A; 404. hinging seat; 405. clamping arms; 406. a spring B; 407. a bevel; 408. a fillet B; 409. and (7) a rubber pad.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a drift mechanism of powder metallurgy mould, includes plunger 1, goes up mould 2, lower mould 3 and centre gripping locating component 4, goes up mould 2 and sets firmly in 1 lower extreme of plunger, and lower mould 3 sets up under

last mould

2, and 1 outside of plunger is located to centre gripping locating component 4 cover, and 3 sliding contact of 4 lower extremes of centre gripping locating component and lower mould.

The outer side of the upper part of the punch 1 is provided with a limiting ring boss 101, the outer side of the middle part of the punch 1 is symmetrically provided with two sliding bulges 102, and the sliding bulges 102, the limiting ring boss 101 and the punch 1 are all of an integrally formed structure.

The die cavity 301 has been seted up to 3 top surfaces of lower mould, and the symmetrical welding has two deflector 302 in the die cavity 301, and deflector 302 is the slope setting and with 4 lower extreme sliding contact of centre gripping locating component, and the fillet A303 has been seted up to deflector 302 lower extreme and the inboard bottom surface junction of die cavity 301.

The clamping and positioning assembly 4 comprises a sliding block 401, the sliding block 401 is sleeved on the outer side of the middle part of the punch 1, guide grooves 402 are symmetrically formed in sliding grooves in the middle part of the sliding block 401, and the inner side of each guide groove 402 is in sliding fit with the outer side of the corresponding sliding protrusion 102.

A spring A403 is sleeved on the punch 1 between the top surface of the sliding block 401 and the bottom surface of the limiting ring 101, and the upper end and the lower end of the spring A403 are respectively and tightly welded with the top surface of the sliding block 401 and the bottom surface of the limiting ring 101.

Two hinged supports 404 are symmetrically welded on the bottom surface of the sliding block 401, clamping arms 405 are hinged in the hinged supports 404, springs B406 are arranged on the outer walls of the clamping arms 405, and the end portions of the two sides of each spring B406 are respectively and tightly welded with the outer walls of the clamping arms 405 and the bottom surface of the end portion of the sliding block 401.

Two inclined planes 407 are symmetrically arranged at the lower end of the clamping arm 405, round corners B408 are arranged at the joints of the two inclined planes 407 and the bottom surface of the clamping arm 405, and a rubber pad 409 is bonded on the inclined plane 407 opposite to the inner side of the clamping arm 405.

The working principle is as follows: after the punch 1 is pushed by an external driving mechanism, the upper die 2 and the clamping and positioning assembly 4 descend along with the punch, when two clamping arms 405 arranged in a splayed shape are contacted with two guide plates 302 arranged in an inverted splayed shape, the lower ends of the clamping arms 405 are closed, the spring B406 is stretched, and the inclined plane 407 adhered with one side of the rubber pad 409 positions and clamps a die placed in the die cavity 301; and then continuously descending, in order to avoid the clamping and positioning assembly 4 to be damaged by pressure, the utility model discloses still cover on the jumper bar 1 and establish spring A403 for the buffering.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a drift mechanism of powder metallurgy mould which characterized in that: including jumper bar (1), go up mould (2), lower mould (3) and centre gripping locating component (4), it sets firmly in jumper bar (1) lower extreme to go up mould (2), lower mould (3) set up under last mould (2), the jumper bar (1) outside is located to centre gripping locating component (4) cover, just centre gripping locating component (4) lower extreme and lower mould (3) sliding contact.

2. The punch mechanism of a powder metallurgy die according to claim 1, wherein: the punch comprises a punch rod (1) and is characterized in that a limiting ring (101) is arranged on the outer side of the upper portion of the punch rod (1), two sliding protrusions (102) are symmetrically arranged on the outer side of the middle of the punch rod (1), and the sliding protrusions (102), the limiting ring (101) and the punch rod (1) are all of an integrally formed structure.

3. The punch mechanism of a powder metallurgy die according to claim 2, wherein: die cavity (301) have been seted up to lower mould (3) top surface, die cavity (301) internal symmetry welding has two deflector (302), deflector (302) be the slope set up and with centre gripping locating component (4) lower extreme sliding contact, just fillet A (303) have been seted up to deflector (302) lower extreme and the inboard bottom surface junction in die cavity (301).

4. The punch mechanism of a powder metallurgy die according to claim 3, wherein: the clamping and positioning assembly (4) comprises a sliding block (401), the sliding block (401) is sleeved on the outer side of the middle of the punch rod (1), guide grooves (402) are symmetrically formed in sliding grooves in the middle of the sliding block (401), and the inner side of each guide groove (402) is in sliding fit with the outer side of the corresponding sliding protrusion (102).

5. The punch mechanism of a powder metallurgy die according to claim 4, wherein: a spring A (403) is sleeved on the punch rod (1) and is opposite to the position between the top surface of the sliding block (401) and the bottom surface of the limiting ring starter (101), and the upper end and the lower end of the spring A (403) are respectively and tightly welded with the top surface of the sliding block (401) and the bottom surface of the limiting ring starter (101).

6. The punch mechanism of a powder metallurgy die according to claim 4, wherein: two free bearings (404) are symmetrically welded on the bottom surface of the sliding block (401), clamping arms (405) are hinged in the free bearings (404), springs B (406) are arranged on the outer walls of the clamping arms (405), and the two side ends of the springs B (406) are respectively tightly welded with the outer walls of the clamping arms (405) and the bottom surface of the end portion of the sliding block (401).

7. The punch mechanism of a powder metallurgy die according to claim 6, wherein: two inclined planes (407) are symmetrically arranged at the lower end of the clamping arm (405), a round corner B (408) is arranged at the joint of the inclined plane (407) and the bottom surface of the clamping arm (405), and a rubber pad (409) is bonded on the inclined plane (407) opposite to the inner side of the clamping arm (405).