CN211248264U

CN211248264U - Forming die is used in processing of car brake shoe friction disc

Info

Publication number: CN211248264U
Application number: CN201921945265.3U
Authority: CN
Inventors: 刘良辉
Original assignee: Dongguan Tengjie Mould Industry Co ltd
Current assignee: Dongguan Tengjie Mould Industry Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-14
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a forming die is used in processing of automobile brake shoe friction disc, including die holder, bellows and die cavity, the through-hole has been seted up to the centre of die holder, and the top of die holder is provided with the cushion, the upper surface of push pedal is provided with the knockout pin, and the top of push pedal is connected with the fixed plate through first reset spring, be connected with the bellows between push pedal and the fixed plate, the upper surface of fixed plate has been seted up and has been put the groove, and the inside of putting the groove is provided with the fly leaf, the sliding tray has been seted up to the inside of fly leaf. This forming die is used in processing of car brake shoe friction disc can blow the cooling to fly leaf and finished product when the device carries out the demolding operation, has effectively improved the cooling effect and the machining efficiency of mould, and can be convenient dismantle the change to the fly leaf, avoids the fly leaf to use for a long time and takes place wearing and tearing, has improved the precision of die cavity, has increased the practicality of device.

Description

Forming die is used in processing of car brake shoe friction disc

Technical Field

The utility model relates to an auto-parts processing technology field specifically is a forming die is used in processing of car brake shoe friction disc.

Background

The automobile brake system is one of the most important systems of the automobile, the quality of the brake system is related to the driving safety of drivers, the brake shoe friction plate is an important accessory in the automobile brake system, and in the process of machining the brake shoe friction plate, a forming die for machining the automobile brake shoe friction plate needs to be used, but the forming die for machining the automobile brake shoe friction plate in the current market still has some defects, such as:

1. most of forming dies for machining automobile brake shoe friction plates in the current market are inconvenient to cool the dies and finished products in the die stripping process, so that the dies are high in temperature, the finished products are inconvenient to quickly form, and the machining efficiency of the dies is reduced;

2. most of forming dies for machining automobile brake shoe friction plates in the existing market are inconvenient to replace a cavity, so that the cavity is abraded after long-term use, the precision of the die is reduced, and the qualified rate of finished products is low.

Therefore, we propose a forming die for processing a friction plate of an automobile brake shoe so as to solve the problems mentioned above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forming die is used in processing of car brake shoe friction disc to solve the inconvenient problem of changing to the die cavity that cools down and inconveniently go on cooling down mould and finished product in the mould unloading in-process of car brake shoe friction disc processing on the present market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a forming die is used in processing of automobile brake shoe friction disc, includes die holder, bellows and die cavity, the through-hole has been seted up in the centre of die holder, and the top of die holder is provided with the cushion to the inboard of cushion is provided with the push pedal, the upper surface of push pedal is provided with the knock-out lever, and the top of push pedal is connected with the fixed plate through first reset spring to the top of fixed plate is provided with the upper die base, be connected with the bellows between push pedal and the fixed plate, and the upper end of bellows is connected with the mouth of blowing through the air duct, the upper surface of fixed plate has been seted up and has been put the groove, and the inside of putting the groove is provided with the fly leaf to the die cavity has been seted up to the upper surface of fly leaf, the sliding tray has been.

Preferably, push pedal and cushion clearance fit, and the push pedal constitutes elastic construction through first reset spring and fixed plate to the upper surface symmetry of push pedal is provided with 2 bellows, and the opening of the mouth of blowing of bellows connection faces the fly leaf moreover.

Preferably, the ejector rod equidistance distributes in the upper surface of push pedal, and the ejector rod runs through in the fixed plate to ejector rod and fly leaf clearance fit.

Preferably, a limiting groove is formed in the fixing plate, the limiting groove is communicated with the placing groove, and the placing groove is in clearance fit with the movable plate.

Preferably, the sliding block and the sliding groove form a clamping sliding structure, and the upper surface of the sliding block is flush with the upper surface of the fixing plate.

Preferably, the sliding block and the movable plate form an elastic structure through a second return spring, the sliding block and the limiting rod are of an integrated structure, and the limiting rod is in clearance fit with the limiting groove.

Compared with the prior art, the beneficial effects of the utility model are that: the forming die for processing the friction plate of the automobile brake shoe;

1. the mold is provided with a push plate, a first reset spring, a corrugated pipe and an air blowing port, when the finished product needs to be subjected to mold stripping operation, an ejection mechanism outside the control mold penetrates through the through hole to push the push plate, so that the push plate slides upwards along the cushion block, the corrugated pipe is extruded in the sliding process of the push plate, gas in the corrugated pipe is extruded to the air blowing port through the air guide pipe, and then the gas is blown to the movable plate and the finished product through the air blowing port, so that the movable plate and the finished product can be subjected to air blowing and cooling while the mold stripping operation is carried out on the mold, and the cooling effect and the processing;

2. be provided with and put groove, fly leaf and gag lever post, when the mould uses for a long time and leads to the die cavity to take place wearing and tearing, through the slip slider for the slider drives the gag lever post and slides along the sliding tray, thereby makes gag lever post and spacing groove break away from the block state, thereby can take out the change with the fly leaf from putting the groove, can be convenient dismantle the change to the fly leaf through this structure, avoid the fly leaf to use for a long time and take place wearing and tearing, improved the precision of die cavity, increased the practicality of device.

Drawings

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

FIG. 2 is a schematic view of the main sectional structure of the mold stripping device of the present invention;

fig. 3 is a schematic top view of the fixing plate of the present invention;

fig. 4 is the sectional structure diagram of the movable plate of the present invention.

In the figure: 1. a lower die holder; 2. a through hole; 3. cushion blocks; 4. pushing the plate; 5. ejecting the rod; 6. a first return spring; 7. a bellows; 8. an air duct; 9. an air blowing port; 10. a fixing plate; 1001. a limiting groove; 11. a placing groove; 12. a movable plate; 13. a cavity; 14. a sliding groove; 15. a second return spring; 16. a slider; 17. a limiting rod; 18. an upper die holder.

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. 1-4, the present invention provides a technical solution: a forming die for processing an automobile brake shoe friction plate comprises a lower die holder 1, a through hole 2, a cushion block 3, a push plate 4, an ejector rod 5, a first reset spring 6, a corrugated pipe 7, an air duct 8, an air blowing port 9, a fixing plate 10, a placing groove 11, a movable plate 12, a cavity 13, a sliding groove 14, a second reset spring 15, a sliding block 16, a limiting rod 17 and an upper die holder 18, wherein the through hole 2 is formed in the middle of the lower die holder 1, the cushion block 3 is arranged above the lower die holder 1, the push plate 4 is arranged on the inner side of the cushion block 3, the ejector rod 5 is arranged on the upper surface of the push plate 4, the fixing plate 10 is connected above the push plate 4 through the first reset spring 6, the upper die holder 18 is arranged above the fixing plate 10, the corrugated pipe 7 is connected between the push plate 4 and the fixing plate 10, the air blowing port 9 is connected at the upper end of, a movable plate 12 is arranged inside the placing groove 11, a cavity 13 is formed in the upper surface of the movable plate 12, a sliding groove 14 is formed inside the movable plate 12, the movable plate 12 is connected with a sliding block 16 through a second return spring 15, and a limiting rod 17 is connected to the outer side of the sliding block 16;

the push plate 4 is in clearance fit with the cushion block 3, the push plate 4 and the fixing plate 10 form an elastic structure through the

first return spring

6, 2 corrugated pipes 7 are symmetrically arranged on the upper surface of the push plate 4, an opening of a gas blowing port 9 connected with the corrugated pipes 7 faces the movable plate 12, the push plate 4 is pushed to extrude the corrugated pipes 7, gas in the corrugated pipes 7 is blown to the movable plate 12, and therefore the movable plate 12 and a finished product can be cooled;

the ejection rods 5 are equidistantly distributed on the upper surface of the push plate 4, the ejection rods 5 penetrate through the fixed plate 10, the ejection rods 5 are in clearance fit with the movable plate 12, the structure can conveniently complete the die stripping operation on a finished product, and meanwhile, the ejection rods 4 can be guided;

the fixing plate 10 is internally provided with a limiting groove 1001, the limiting groove 1001 is communicated with the placing groove 11, the placing groove 11 is in clearance fit with the movable plate 12, the movable plate 12 can be conveniently replaced through the structure, the tightness of the movable plate 12 is prevented from being reduced after the movable plate 12 is used for a long time, and the practicability of the device is improved;

the slide block 16 and the slide groove 14 form a clamping slide structure, and the upper surface of the slide block 16 is flush with the upper surface of the fixed plate 10, so that the condition that the mold is not tightly closed can be prevented through the structure, and the normal processing and forming of the automobile brake shoe friction plate are prevented from being influenced;

the slider 16 and the movable plate 12 form an elastic structure through the second return spring 15, the slider 16 and the limiting rod 17 are in an integrated structure, the limiting rod 17 is in clearance fit with the limiting groove 1001, the movable plate 12 can be conveniently and fixedly mounted through the structure, the movable plate 12 is prevented from being deviated and shaken, and the precision of the die is improved.

The working principle is as follows: when the forming die for machining the automobile brake shoe friction plate is used, firstly, as shown in fig. 1 and 4, an upper die seat 18 is attached to a fixed plate 10, liquid materials are injected into a cavity 13, as shown in fig. 2 and 4, after the brake shoe friction plate is formed, an ejection mechanism outside the control die pushes a push plate 4 to move upwards through a through hole 2, the push plate 4 pushes an ejection rod 5 to slide upwards in the moving process, the ejection rod 5 ejects a finished product in the cavity 13 in the sliding process to complete die stripping, meanwhile, a corrugated pipe 7 is extruded in the moving process of the push plate 4, so that gas in the corrugated pipe 7 is discharged to a gas blowing port 9 through a gas guide pipe 8, and the gas blowing port 9 blows air to a movable plate 12, so that the temperature of the die and the finished product can be reduced;

as shown in fig. 1 and fig. 3-4, when the die cavity 13 is worn after long-term use, the sliding block 16 is slid to drive the limiting rod 17 to slide along the sliding groove 14, the limiting rod 17 is disengaged from the limiting groove 1001 in the sliding process, and the movable plate 12 can be conveniently taken down from the upper side of the fixed plate 10 along the placing groove 11 for replacement, so that the accuracy of the die cavity 13 of the die is improved, the practicability of the device is improved, and a series of work is completed.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a forming die is used in processing of car brake shoe friction disc, includes die holder (1), bellows (7) and die cavity (13), its characterized in that: the middle of the lower die holder (1) is provided with a through hole (2), a cushion block (3) is arranged above the lower die holder (1), a push plate (4) is arranged on the inner side of the cushion block (3), an ejector rod (5) is arranged on the upper surface of the push plate (4), a fixed plate (10) is connected to the upper side of the push plate (4) through a first reset spring (6), an upper die base (18) is arranged above the fixed plate (10), a corrugated pipe (7) is connected between the push plate (4) and the fixed plate (10), the upper end of the corrugated pipe (7) is connected with an air blowing port (9) through an air duct (8), a placing groove (11) is formed in the upper surface of the fixed plate (10), a movable plate (12) is arranged inside the placing groove (11), a cavity (13) is formed in the upper surface of the movable plate (12), a sliding groove (14) is formed, and the movable plate (12) is connected with a sliding block (16) through a second return spring (15), and the outer side of the sliding block (16) is connected with a limiting rod (17).

2. The forming die for machining the friction plate of the brake shoe of the automobile as claimed in claim 1, wherein: push pedal (4) and cushion (3) clearance fit, and push pedal (4) constitute elastic construction through first reset spring (6) and fixed plate (10) to the upper surface symmetry of push pedal (4) is provided with 2 bellows (7), and the opening of the mouth of blowing (9) that bellows (7) are connected is towards fly leaf (12) moreover.

3. The forming die for machining the friction plate of the brake shoe of the automobile as claimed in claim 1, wherein: the ejection rods (5) are equidistantly distributed on the upper surface of the push plate (4), the ejection rods (5) penetrate through the fixed plate (10), and the ejection rods (5) are in clearance fit with the movable plate (12).

4. The forming die for machining the friction plate of the brake shoe of the automobile as claimed in claim 1, wherein: the fixing plate (10) is internally provided with a limiting groove (1001), the limiting groove (1001) is communicated with the placing groove (11), and the placing groove (11) is in clearance fit with the movable plate (12).

5. The forming die for machining the friction plate of the brake shoe of the automobile as claimed in claim 1, wherein: the sliding block (16) and the sliding groove (14) form a clamping sliding structure, and the upper surface of the sliding block (16) is flush with the upper surface of the fixing plate (10).

6. The forming die for machining the friction plate of the brake shoe of the automobile as claimed in claim 4, wherein: the sliding block (16) and the movable plate (12) form an elastic structure through a second return spring (15), the sliding block (16) and the limiting rod (17) are of an integrated structure, and the limiting rod (17) is in clearance fit with the limiting groove (1001).