CN220444894U - Automatic demoulding structure of automobile stamping die - Google Patents

Abstract

The utility model discloses an automatic demoulding structure of an automobile stamping die, which comprises a portal frame, wherein a driving air cylinder is fixedly arranged on the portal frame, a piston rod of the driving air cylinder is fixed with a movable seat, a die is arranged at the bottom of the movable seat, a guide post is fixedly arranged on a bottom plate of the portal frame, and one end of the guide post, which is far away from the portal frame, is fixed with a lower die; the bottom of the lower die is fixedly connected with the fixed seat, the surface of the lower die is provided with a die cavity, the surface of the die cavity covers the blank, and the bottom of the die cavity is provided with an automatic demoulding assembly. This automatic drawing of patterns structure of car stamping die starts the switch of external air pump, and high-pressure gas enters into the interior limit of gas collecting cavity from high-pressure gas pipe, air inlet to spout from the high-pressure hole, utilize high-pressure air flow to accomplish the drawing of patterns operation of embryo spare, replace the mode of manual demoulding, save a large amount of labours, improve drawing of patterns efficiency, can avoid the ejector pin to cause the condition emergence of mar to the moulded piece simultaneously.

Description

Automatic demoulding structure of automobile stamping die

Technical Field

The utility model relates to the field of stamping dies, in particular to an automatic demoulding structure of an automobile stamping die.

Background

The stamping processing is a production technology for producing product parts with certain shapes, sizes and performances by directly receiving deformation force on a plate in a die and deforming the plate by means of power of conventional or special stamping equipment; the plate material, the die and the equipment are three elements of stamping processing;

the die used for stamping is called a stamping die, and is called a stamping die for short; the stamping die is a special tool for processing materials (metal or nonmetal) into required stamped parts in batches; the stamping die is critical in stamping, and mass stamping production is difficult without the stamping die meeting the requirements; without advanced dies, advanced stamping processes cannot be realized; the stamping process, the die, the stamping equipment and the stamping material form three elements of stamping processing, and stamping parts can be obtained only by combining the three elements;

when the automobile parts are stamped, after the stamping is finished, the stamped stamping part is possibly sleeved on the stamping die and cannot automatically fall down to be demoulded, at the moment, the demoulding is needed in a manual mode, but the demoulding in the manual mode tends to generate larger safety risk, and meanwhile, the efficiency is lower;

in the mould processing process, after the stamping of the automobile mould is finished, the manufactured mould needs to be demoulded, and at present, in the production process, the manufactured parts are demoulded manually, or in a mode of driving ejection through an air cylinder and an ejector rod, the manual demould is operated, so that a large amount of labor force is wasted, the efficiency is low, the time is slow, and the continuous production of a factory is influenced. The ejector rod demolding mode is easy to scratch the punched automobile.

Disclosure of Invention

The utility model aims to provide an automatic demoulding structure of an automobile stamping die, which aims to solve the defects in the prior art.

In order to achieve the above purpose, the automatic demoulding structure of the automobile stamping die comprises a portal frame, wherein a driving air cylinder is fixedly arranged on the portal frame, a piston rod of the driving air cylinder is fixed with a movable seat, meanwhile, an upper die is arranged at the bottom of the movable seat, a guide post is fixedly arranged on a bottom plate of the portal frame, and one end of the guide post, which is far away from the portal frame, is fixed with a lower die;

the bottom of the lower die is fixedly connected with the fixing seat, the surface of the lower die is provided with a die cavity, the surface of the die cavity covers the blank, an automatic demoulding assembly is arranged at the bottom of the die cavity, the end part of a high-pressure air pipe on the automatic demoulding assembly is fixed with the air inlet nozzle, the air inlet nozzle is communicated with the air collecting cavity, and the upper side of the air collecting cavity is provided with a high-pressure hole.

Preferably, both ends of the movable seat are fixedly provided with guide seats, guide holes are formed in the guide seats, and meanwhile, the guide posts are inserted into the guide holes formed in the guide seats.

Preferably, the upper die and the die cavity are arranged oppositely, and the upper die moves downwards to be inserted into the die cavity for stamping and forming the blank.

Preferably, the automatic demolding assembly comprises a high-pressure hole, an air collecting cavity, an air inlet nozzle and a high-pressure air pipe, and one end, far away from the air inlet nozzle, of the high-pressure air pipe is connected with an external air pump exhaust pipe.

Preferably, the cross section of the gas collection cavity is circular, and the gas collection cavity is communicated with the die cavity through the high-pressure hole.

Preferably, four rows of high-pressure holes are uniformly formed in the upper side surface of the gas collection cavity, the number of the high-pressure holes in each row is four, and meanwhile, the top sections of the high-pressure holes are arranged in an isosceles trapezoid shape.

Compared with the prior art, the utility model has the beneficial effects that: the switch of external air pump is started, and high-pressure gas enters the inner side of the air collecting cavity from the high-pressure gas pipe and the air inlet and is sprayed out from the high-pressure hole, so that the demoulding operation of the blank is completed by utilizing high-pressure gas flow, a mode of manual demoulding is replaced, a large amount of labor force is saved, the demoulding efficiency is improved, and meanwhile, the condition that the ejector rod scratches the formed part is avoided.

Drawings

FIG. 1 is a schematic elevational view of the structure of the present utility model;

FIG. 2 is a schematic view of an automatic demolding assembly of the structure of the present utility model;

FIG. 3 is a schematic view of section A-A of FIG. 2, which is a block diagram of the present utility model;

FIG. 4 is a schematic view of section B-B of FIG. 2, which is a structural diagram of the present utility model.

Reference numerals in the drawings: 1. a portal frame; 2. a guide seat; 3. a guide post; 4. a lower die; 5. a fixing seat; 6. a movable seat; 7. an upper die; 8. a mold cavity; 9. an automatic demolding assembly; 91. a high pressure orifice; 92. an air collection cavity; 93. an air inlet; 94. an air inlet nozzle; 95. a high pressure gas pipe; 10. and (5) a blank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides an automatic demoulding structure of an automobile stamping die, which comprises a portal frame 1, wherein a driving cylinder is fixedly arranged on the portal frame 1, a piston rod of the driving cylinder is fixed with a movable seat 6, an upper die 7 is arranged at the bottom of the movable seat 6, a guide post 3 is fixedly arranged on the bottom plate of the portal frame 1, and one end, far away from the portal frame 1, of the guide post 3 is fixed with a lower die 4;

the bottom of the lower die 4 is fixedly connected with the fixed seat 5, the surface of the lower die 4 is provided with a die cavity 8, meanwhile, the surface of the die cavity 8 is covered with a blank 10, an automatic demoulding assembly 9 is arranged at the bottom of the die cavity 8, the end part of a high-pressure air pipe 95 on the automatic demoulding assembly 9 is fixed with an air inlet nozzle 94, the air inlet nozzle 94 is communicated with an air collecting cavity 92, and the upper side of the air collecting cavity 92 is provided with a high-pressure hole 91.

Working principle: when the device is used, after the stamping forming of the blank 10 on the lower die 4 is finished through the upper die 7 moving downwards, the switch of the external air pump is started at the moment, high-pressure air enters the inner side of the air collection cavity 92 from the high-pressure air pipe 95 and the air inlet 93 and is sprayed out from the high-pressure hole 91, the demoulding operation of the blank 10 is finished by utilizing high-pressure air flow, a mode of manual demoulding is replaced, a large amount of labor force is saved, the demoulding efficiency is improved, and meanwhile, the condition that the ejector rod scratches the formed part are caused can be avoided.

As a preferred embodiment, both ends of the movable seat 6 are fixedly provided with the guide seat 2, the inside of the guide seat 2 is provided with a guide hole, and the guide post 3 is inserted into the guide hole provided in the inside of the guide seat 2.

As shown in fig. 1-2: both ends of the movable seat 6 are fixedly provided with the guide seats 2, and when the movable seat 6 moves vertically, the guide seats 2 and the guide columns 3 are arranged to limit and guide the movable seat 6 moving vertically, so that the movable seat 6 is prevented from inclining when moving vertically.

As a preferred embodiment, the upper die 7 and the die cavity 8 are arranged oppositely, and the upper die 7 is inserted into the die cavity 8 in a downward moving manner to punch and shape the blank 10.

The upper die 7 and the die cavity 8 are arranged oppositely, and when the upper die 7 is lifted, the lower die 4 and the upper die 7 can be rapidly and accurately clamped.

As a preferred embodiment, the automatic demolding assembly 9 comprises a high-pressure hole 91, an air collecting cavity 92, an air inlet 93, an air inlet nozzle 94 and a high-pressure air pipe 95, and one end of the high-pressure air pipe 95 away from the air inlet nozzle 94 is connected with an external air pump exhaust pipe.

As shown in fig. 2-4: the automatic demolding assembly 9 works in the following manner: the high-pressure gas enters the inner side of the gas collection chamber 92 from the high-pressure gas pipe 95, and is ejected from the four rows of high-pressure holes 91, so that the blank 10 in the die cavity 8 is demolded.

As a preferred embodiment, the cross section of the gas collection chamber 92 is circular, and the gas collection chamber 92 is connected to the cavity 8 via a high-pressure hole 91.

As a preferred embodiment, the high-pressure holes 91 are uniformly formed in four rows on the upper surface of the gas collecting chamber 92, and the number of the high-pressure holes 91 in each row is four, and the top section of the high-pressure holes 91 is isosceles trapezoid.

As shown in fig. 2: the top section of the high pressure hole 91 is isosceles trapezoid, and the top size of the high pressure hole 91 is reduced, so that the molded blank 10 can be ejected more smoothly after the gas ejected from the high pressure hole 91 is accelerated.

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

Claims (6)

1. The utility model provides an automatic drawing of patterns structure of automobile stamping die, includes portal frame (1), fixed mounting drive cylinder on portal frame (1), and drive cylinder's piston rod is fixed with movable seat (6), moves mould (7) on the bottom installation of seat (6) simultaneously, its characterized in that: the bottom plate of the portal frame (1) is fixedly provided with a guide column (3), and one end, far away from the portal frame (1), of the guide column (3) is fixed with the lower die (4);

the bottom of the lower die (4) is fixedly connected with the fixed seat (5), a die cavity (8) is formed in the surface of the lower die (4), meanwhile, a blank (10) is covered on the surface of the die cavity (8), an automatic demoulding assembly (9) is arranged at the bottom of the die cavity (8), the end part of a high-pressure air pipe (95) on the automatic demoulding assembly (9) is fixed with an air inlet nozzle (94), the air inlet nozzle (94) is communicated with an air collecting cavity (92), and a high-pressure hole (91) is formed in the upper side of the air collecting cavity (92).

2. The automatic demolding structure of an automobile stamping mold according to claim 1, characterized in that: both ends of the movable seat (6) are fixedly provided with the guide seats (2), guide holes are formed in the guide seats (2), and meanwhile, the guide posts (3) are inserted into the guide holes formed in the guide seats (2).

3. The automatic demolding structure of an automobile stamping mold according to claim 1, characterized in that: the upper die (7) and the die cavity (8) are arranged oppositely, and the upper die (7) moves downwards to be inserted into the die cavity (8) for stamping and forming the blank (10).

4. The automatic demolding structure of an automobile stamping mold according to claim 1, characterized in that: the automatic demolding assembly (9) comprises a high-pressure hole (91), an air collecting cavity (92), an air inlet (93), an air inlet nozzle (94) and a high-pressure air pipe (95), and one end, far away from the air inlet nozzle (94), of the high-pressure air pipe (95) is connected with an externally connected air pump exhaust pipe.

5. The automatic demolding structure of an automobile stamping mold according to claim 1, characterized in that: the cross section of the gas collection cavity (92) is circular, and the gas collection cavity (92) is communicated with the die cavity (8) through a high-pressure hole (91).

6. The automatic demolding structure of an automobile stamping mold according to claim 5, characterized in that: four rows of high-pressure holes (91) are uniformly formed in the upper side surface of the gas collection cavity (92), the number of the high-pressure holes (91) in each row is four, and meanwhile, the top sections of the high-pressure holes (91) are isosceles trapezoid-shaped.