CN213104289U

CN213104289U - Pin mold processing for cold heading machine with anti-blocking function

Info

Publication number: CN213104289U
Application number: CN202021214709.9U
Authority: CN
Inventors: 朱洪平; 朱青竹
Original assignee: Wuxi Hongyingda Machinery Parts Co ltd
Current assignee: Wuxi Hongyingda Machinery Parts Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-05-04
Anticipated expiration: 2030-06-28

Abstract

The utility model belongs to the technical field of the mould technique and specifically relates to a pin mold processing for cold heading machine with anti-blocking function, including last pressure head and slide, it is equipped with the ejector pin to go up pressure head lower extreme, the ejector pin outside sliding connection has middle mould, the ejector pin outside fixedly connected with material returned spring, material returned spring upper end and ejector pin fixed connection, material returned spring lower extreme is equipped with the base, the slide outside fixedly connected with chucking rod, the chucking rod outside sliding connection has outer barrel, outer barrel lower extreme and base fixed connection, the base upper end is equipped with return spring, return spring upper end and slide fixed connection; the utility model discloses in, through last pressure head, slide, traveller, spout, chucking pole, return spring and the outer barrel that sets up, can prevent that the part from appearing blocking phenomenon at the unloading in-process, the unloading of the part of being convenient for, the quick installation and the dismantlement of the mould of being convenient for simultaneously.

Description

Pin mold processing for cold heading machine with anti-blocking function

Technical Field

The utility model relates to the technical field of mold, specifically be a pin mold processing for cold heading machine with anti-blocking function.

Background

The cold heading machine is a special device which is mainly used for producing fasteners such as nuts and bolts in batches, applies a certain pressure to a metal blank at normal temperature according to a metal plastic deformation theory, so that the process of generating plastic deformation in a die cavity becomes a cold heading process, the application range of the cold heading process is applicable to products with large batches and various specifications, the products are formed according to specified shapes and sizes, and the cold heading bolt and nut forming machine has multiple models and multiple series of models, and has reliable performance, high efficiency and stable product quality.

At present, the pin mold processing for the cold heading machine who uses in the market is mostly fixed knot structure, and it uses bolt and nut more to fix, and the installation is all comparatively complicated with the dismantlement, and is in high-speed running state when just because the cold heading machine moves, and under high temperature high pressure state, the mould can produce deformation and lead to the material to block, has not only reduced production efficiency, still leads to the damage of equipment easily, so to the above-mentioned problem propose a pin mold processing for the cold heading machine with anti-blocking function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pin mold processing for cold heading machine with anti-blocking function to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a pin mold processing with anti-blocking function for cold heading machine, includes pressure head and slide, go up the pressure head outside and slide sliding connection, it is equipped with the ejector pin to go up the pressure head lower extreme, mould in the middle of the ejector pin outside sliding connection has, ejector pin outside fixedly connected with material returned spring, material returned spring upper end and ejector pin fixed connection, material returned spring lower extreme is equipped with the base, slide outside fixedly connected with chucking pole, chucking pole outside sliding connection has outer barrel, outer barrel lower extreme and base fixed connection, the base upper end is equipped with return spring, return spring upper end and slide fixed connection.

Preferably, the number of the upper pressing heads is 4, the sliding columns are arranged on the outer sides of the upper pressing heads, the inner sides of the upper pressing heads are provided with extrusion grooves, and the cross sections of the extrusion grooves are arranged in a quarter-circle shape.

Preferably, the middle die is arranged in a cylindrical shape, the upper end of the middle die is provided with a through hole, and the inner side of the through hole is connected with the ejector rod in a sliding manner.

Preferably, a sliding groove is formed in the sliding seat, and the inner side of the sliding groove is connected with the sliding column in a sliding mode.

Preferably, the labyrinth grooves are symmetrically formed in the outer side of the outer cylinder body, the inner side of each labyrinth groove is connected with the clamping rod in a sliding mode, and the inner portion of the base is connected with the blanking punch in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the upper pressure head, the slide seat, the slide post and the slide groove, after the die is installed, the pressure head of the cold header compresses the upper pressure head, the lower end of the upper pressure head is arranged in a conical shape, when the lower pressure head descends, the upper pressure head contracts inwards under the action of the conical surface, the middle die is pushed downwards at the same time, the middle die is attached to the base, the part is extruded and formed in an extrusion groove formed in the upper pressure head, after the extrusion is finished, under the combined action of the return spring and the material returning spring, the sliding column slides upwards in a sliding groove arranged on the inner side of the sliding seat, when the conical part at the lower end of the upper pressure head slides to the upper end of the sliding seat, the upper pressure head expands outwards to form a gap between the upper pressure head and the part, under the action of the blanking punch, the part is pushed out of the die, and the arrangement can prevent the part from being blocked in the blanking process, so that the part can be conveniently blanked;

2. the utility model discloses in, through chucking pole, return spring and the outer barrel that sets up, during the installation mould, go into the labyrinth groove that the outer barrel outside was seted up with the chucking pole card, under return spring's elastic action, the slide was laminated mutually with the urceolus, when dismantling, pressed the slide, again along the labyrinth groove take out the chucking pole can, this kind of setting be convenient for quick installation and the dismantlement of mould.

Drawings

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

fig. 2 is a schematic view of the combined structure of the upper pressing head of the present invention;

fig. 3 is a schematic view of the overall structure of the upper pressing head of the present invention;

FIG. 4 is a schematic view of the mounting structure of the slide carriage of the present invention;

fig. 5 is a schematic view of the internal structure of the slide carriage of the present invention;

fig. 6 is a schematic view of the overall structure of the middle mold of the present invention;

fig. 7 is a schematic view of the mounting structure of the outer cylinder of the present invention.

In the figure: 1-upper pressure head, 2-slide seat, 3-ejector rod, 4-middle die, 5-material returning spring, 6-base, 7-clamping rod, 8-outer cylinder, 9-return spring, 10-sliding column, 11-extrusion groove, 12-through hole, 13-sliding groove, 14-labyrinth groove and 15-blanking punch.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution:

the utility model provides a pin mold processing for cold heading machine with anti-blocking function, including last pressure head 1 and slide 2, go up 1 outside of pressure head and 2 sliding connection of slide, it is equipped with ejector pin 3 to go up 1 lower extreme of pressure head, mould 4 in the middle of 3 outside sliding connection of ejector pin has, 3 outside fixedly connected with material returned spring 5 of ejector pin, material returned spring 5 upper end and 3 fixed connection of ejector pin, material returned spring 5 lower extreme is equipped with

base

6, 2 outside fixedly connected with chucking pole 7 of slide, 7 outside sliding connection of chucking pole have

outer barrel

8, 8 lower extremes of outer barrel and 6 fixed connection of base, 6 upper ends of base are equipped with return spring 9, return spring 9 upper end and 2 fixed connection of slide.

Go up pressure head 1's quantity and be 4, go up pressure head 1 outside and seted up traveller 10, go up pressure head 1 inboard and seted up extrusion groove 11, and extrusion groove 11's transversal quarter ring form setting of personally submitting, the unloading of the material of being convenient for of this kind of setting, middle mould 4 is cylindric setting, and middle mould 4 upper end has seted up through-hole 12, through-hole 12 inboard and ejector pin 3 sliding connection, the effect of direction can be played in this kind of setting, the location of the mould of being convenient for, slide 2 is inside has seted up spout 13, spout 13 inboard and traveller 10 sliding connection, the slip of pressure head 1 is convenient for in this kind of setting, labyrinth groove 14 has been seted up to 8 outside symmetries of outer barrel, labyrinth groove 14 inboard and chucking pole 7 sliding connection, 6 inside sliding connection has unloading drift 15, can realize the quick installation of mould through chucking pole 7 and labyrinth groove 14's.

The working process is as follows: when a die is installed, the clamping rod 7 is clamped into a labyrinth groove 14 formed in the outer side of an outer barrel 8, the sliding seat 2 is attached to the outer barrel 8 under the action of the elastic force of the return spring 9, the sliding seat 2 is pressed when the die is disassembled, and the clamping rod 7 is taken out along the labyrinth groove 14, the arrangement is convenient for quick installation and disassembly of the die, after the die is installed, a pressure head of a cold header presses the upper pressure head 1, the lower end of the upper pressure head 1 is arranged in a conical shape, the upper pressure head 1 contracts inwards under the action of a conical surface while the lower pressure head 1 descends, the middle die 4 is pushed downwards to enable the middle die 4 to be attached to the base 6, parts are extruded and formed in an extrusion groove 11 formed in the upper pressure head 1, after extrusion is completed, under the combined action of the return spring 9 and the material returning spring 5, the sliding column 10 slides upwards in a sliding groove 13 formed in the inner side of the sliding seat 2, when the conical part at the lower end of the upper pressure, go up pressure head 1 and expand to the outside, make and go up the gap of appearance between pressure head 1 and the part, under the effect of unloading drift 15, the mould is pushed out to the part, and this kind of setting can prevent that the part from appearing blocking phenomenon at the unloading in-process, the unloading of the part of being convenient for.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pin mold processing with anti-blocking function for cold heading machine, includes pressure head (1) and slide (2), its characterized in that: go up pressure head (1) outside and slide (2) sliding connection, it is equipped with ejector pin (3) to go up pressure head (1) lower extreme, mould (4) in the middle of ejector pin (3) outside sliding connection has, ejector pin (3) outside fixedly connected with material returned spring (5), material returned spring (5) upper end and ejector pin (3) fixed connection, material returned spring (5) lower extreme is equipped with base (6), slide (2) outside fixedly connected with chucking pole (7), chucking pole (7) outside sliding connection has outer barrel (8), outer barrel (8) lower extreme and base (6) fixed connection, base (6) upper end is equipped with return spring (9), return spring (9) upper end and slide (2) fixed connection.

2. The pin processing die with the anti-blocking function for the cold heading machine according to claim 1, wherein the pin processing die comprises: the number of the upper pressing heads (1) is 4, the sliding columns (10) are arranged on the outer sides of the upper pressing heads (1), the extrusion grooves (11) are formed in the inner sides of the upper pressing heads (1), and the cross sections of the extrusion grooves (11) are arranged in a quarter-circle shape.

3. The pin processing die with the anti-blocking function for the cold heading machine according to claim 1, wherein the pin processing die comprises: middle mould (4) are cylindric setting, and through-hole (12) have been seted up to middle mould (4) upper end, through-hole (12) inboard and ejector pin (3) sliding connection.

4. The pin processing die with the anti-blocking function for the cold heading machine according to claim 1, wherein the pin processing die comprises: a sliding groove (13) is formed in the sliding seat (2), and the inner side of the sliding groove (13) is connected with the sliding column (10) in a sliding mode.

5. The pin processing die with the anti-blocking function for the cold heading machine according to claim 1, wherein the pin processing die comprises: labyrinth grooves (14) are symmetrically formed in the outer side of the outer barrel (8), the inner side of each labyrinth groove (14) is connected with the clamping rod (7) in a sliding mode, and a blanking punch (15) is connected to the inner portion of the base (6) in a sliding mode.