CN212168788U

CN212168788U - Die for stretch forming of compressor shell

Info

Publication number: CN212168788U
Application number: CN202020646493.7U
Authority: CN
Inventors: 于鑫南
Original assignee: Hangzhou Fuyang Xinnan Machinery Co Ltd
Current assignee: Hangzhou Fuyang Xinnan Machinery Co Ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-18
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a die for stretch forming of a compressor shell, which comprises a die holder and a die cover, and also comprises a pressing device arranged on the die cover for pressing and forming raw materials, a blanking device arranged on the die holder and convenient for taking out processed workpieces, and a limiting device arranged on the die cover and used for preventing dislocation of the die cover and the die holder, wherein the blanking device comprises a first pressing block and a second pressing block, a ring groove is arranged in the die holder, a fixed ring is fixed on the inner wall of the ring groove, a first rotating rod and a third rotating rod are hinged in the ring groove, one end of the first rotating rod is hinged with a second rotating rod, the first pressing block is arranged in the ring groove, one end of the second rotating rod is hinged with the first pressing block, one end of the third rotating rod is hinged with a fourth rotating rod, one end of the fourth rotating rod is hinged with the second pressing block, a first spring is fixed on the first rotating rod and the third rotating rod, the problem that the die is formed, the workpieces are formed by punching, this is a laborious problem.

Description

Die for stretch forming of compressor shell

Technical Field

The utility model relates to a stretch forming technical field, in particular to a mould for compressor housing stretch forming.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother". The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level.

When the die is produced, the workpiece is formed by stamping, and the produced workpiece is manually taken down after the workpiece is formed, so that the labor and the time are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mould for compressor housing stretch forming has solved the mould and when producing, makes the work piece shaping through the punching press, and the good back is artifical takes off the work piece of producing after the shaping, takes trouble hard problem like this.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a die for stretch forming of a compressor shell comprises a die holder, a die cover, a pressing device, a blanking device and a limiting device, wherein the pressing device is arranged on the die cover and used for pressing raw materials, the blanking device is arranged on the die holder and used for taking out processed workpieces conveniently, the limiting device is arranged on the die cover and used for preventing the die cover and the die holder from being staggered, the blanking device comprises a first pressing block and a second pressing block, a ring groove is formed in the die holder, a fixing ring is fixed on the inner wall of the ring groove, a first rotating rod and a third rotating rod are hinged in the ring groove, one end of the first rotating rod is hinged with a second rotating rod, the first pressing block is arranged in the ring groove and is in sliding fit with the ring groove, one end of the second rotating rod, far away from the first rotating rod, is hinged with the first pressing block, the second pressing block is arranged in the ring groove and is in sliding fit with, one end of the rotating rod IV, which is far away from the rotating rod III, is hinged with the pressing block II, a spring I with one end fixed with the inner wall of the annular groove is fixed on the rotating rod I and the rotating rod III, and an auxiliary blanking mechanism is arranged on the die holder.

By adopting the technical scheme, the iron plate is placed on the die holder, the pressing device presses the iron plate, the first pressing block and the second pressing block move downwards while pressing, the first pressing block moves to drive the first rotating rod and the second rotating rod to rotate, the second pressing block moves to drive the third rotating rod and the fourth rotating rod to rotate, the third rotating rod and the fourth rotating rod drive the first spring to compress, the first spring compresses to generate elastic force, after a workpiece is formed, the pressing device moves back upwards, the elastic force generated by the first spring drives the first rotating rod to rotate and the third rotating rod to rotate, the first rotating rod drives the second rotating rod to rotate, the second rotating rod rotates to drive the first pressing block to move upwards, the third rotating rod drives the fourth rotating rod to rotate, the fourth rotating rod drives the second pressing block to move upwards, the first pressing block and the second pressing block move upwards to drive the workpiece to move upwards, and the auxiliary blanking mechanism takes out the workpiece.

Preferably, the auxiliary blanking mechanism comprises a first motor and a gear, a cavity is formed in the die holder, the first motor is fixed in the cavity, an output shaft of the first motor is fixedly connected with the gear, a first through groove is formed between the cavity and the annular groove, a second through groove is formed between the cavity and the annular groove, a first rack is arranged in the first through groove and is in sliding fit with the first through groove, a second rack is arranged in the second through groove and is in sliding fit with the second through groove, the gear is meshed with the first rack, and the gear is meshed with the second rack.

By adopting the technical scheme, when auxiliary blanking is needed, the first motor is started, the output shaft of the first motor rotates to drive the gear to rotate, the gear rotates to drive the first rack and the second rack to move towards two sides, the first rack moves towards the first rotating rod to drive the first rotating rod to rotate, and the second rack moves to drive the third rotating rod to rotate, so that the auxiliary blanking effect is achieved.

Preferably, the pressing device comprises a pressing block and a restoring block, the pressing block is fixed on the die cover, a sliding groove communicated with the outside is formed in the pressing block, the restoring block is placed in the sliding groove, a spring II is fixed to one end of the sliding groove and the inner wall of the sliding groove, a plurality of elastic columns are fixed to the lower surface of the die cover, and a fixing plate is fixed to one end, away from the die cover, of each elastic column.

Adopt above-mentioned technical scheme, when pressing down iron plate, the mould lid moves down and drives according to briquetting downstream, press according to briquetting downstream to press down iron plate and warp, resume the piece and prevent that iron plate from entering into the sliding tray under the effect of spring in, the mould lid removes and drives elasticity post and fixed plate downstream, when the base was touched to the fixed plate, the elasticity post produced elasticity, the elasticity post has played and has prevented to prevent between die holder and the mould lid apart from nearer effect.

Preferably, the limiting device comprises a limiting rod and a limiting nut, the limiting rod is fixed on the die holder and is in sliding fit with the die cover, and the limiting rod is in threaded fit with the limiting nut.

By adopting the technical scheme, the die cover moves along the limiting rod when moving towards the die holder, and the limiting nut plays a role in preventing the die holder and the die cover from being closer to each other.

Preferably, a first pushing block and a second pushing block are respectively fixed at one ends of the first rack and the second rack, which are far away from the gear.

By adopting the technical scheme, the first rack and the second rack move to drive the first push block and the second push block to move, and the first push block and the second push block play roles in facilitating the pushing of the first rotating rod and the third rotating rod to rotate.

Preferably, the upper surface of the die cover is fixed with a connecting column.

By adopting the technical scheme, the connecting column plays a role in connecting the die cover and the machine body.

Preferably, the die holder is fixed with a control button.

By adopting the technical scheme, the control button plays a role in controlling the first motor.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural diagram for showing a pressing device;

fig. 3 is a schematic structural view for showing the blanking device.

Reference numerals: 1. a die holder; 2. a mold cover; 3. a pressing device; 4. a blanking device; 5. a limiting device; 6. pressing a first pressing block; 7. pressing a block II; 9. an annular groove; 11. a fixing ring; 12. a first rotating rod; 13. a third rotating rod; 14. a second rotating rod; 15. a fourth rotating rod; 16. a first spring; 17. an auxiliary blanking mechanism; 18. a first motor; 19. a gear; 20. a cavity; 21. a first through groove; 22. a second through groove; 23. a first rack; 24. a second rack; 25. a pressing block; 27. a sliding groove; 28. a recovery block; 29. a second spring; 30. an elastic column; 31. a fixing plate; 32. a limiting rod; 33. a limit nut; 34. a first push block; 35. a second push block; 36. connecting columns; 37. and a control button.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

Referring to fig. 1 to 3, a die for stretch forming of a compressor shell comprises a die holder 1 and a die cover 2, and further comprises a pressing device 3 arranged on the die cover 2 for press forming raw materials, a blanking device 4 arranged on the die holder 1 for taking out processed workpieces conveniently, and a limiting device 5 arranged on the die cover 2 for preventing dislocation of the die cover 2 and the die holder 1, wherein the blanking device 4 comprises a first pressing block 6 and a second pressing block 7, an iron plate is placed on the die holder 1, the pressing device 3 comprises a pressing block 25 and a restoring block 28, a connecting post 36 is fixed on the upper surface of the die cover 2, the die cover 2 is connected to a machine body through the connecting post 36, the pressing block 25 is fixed on the die cover 2, the machine body controls the die cover 2 to move towards the iron plate, the die holder 2 moves to drive the pressing block 25 to move towards the iron plate, the iron plate bends to drive the first pressing block 6 and the second pressing block 7 to move downwards, an, a fixed ring 11 is fixed on the inner wall of the annular groove 9, a first rotating rod 12 and a third rotating rod 13 are hinged in the annular groove 9, one end of the first rotating rod 12 is hinged with a second rotating rod 14, a first pressing block 6 is arranged in the annular groove 9, the first pressing block 6 is in sliding fit with the annular groove 9, one end of the second rotating rod 14, which is far away from the first rotating rod 12, is hinged with the first pressing block 6, the second pressing block 7 is arranged in the annular groove 9, the second pressing block 7 is in sliding fit with the annular groove 9, one end of the third rotating rod 13 is hinged with a fourth rotating rod 15, one end of the fourth rotating rod 15, which is far away from the third rotating rod 13, is hinged with the second pressing block 7, the first pressing block 6 moves to drive the second rotating rod 14 to rotate, the second rotating rod 14 rotates to drive the first rotating rod 12 to rotate, the first pressing block 6 moves to drive the fourth rotating rod 15 to rotate, the fourth rotating rod 15 rotates to drive the third rotating rod, the first rotating rod 12 and the third rotating rod 13 rotate to drive the first spring 16 to compress, the first spring 16 compresses to generate elastic force, a sliding groove 27 communicated with the outside is formed in the pressing block 25, a restoring block 28 is placed in the sliding groove 27, a second spring 29 with one end fixed on the inner wall of the sliding groove 27 is arranged in the sliding groove 27, the restoring block 28 moves when being pressed, the restoring block 28 moves to compress the second spring 29, a plurality of elastic columns 30 are fixed on the lower surface of the die cover 2, a fixing plate 31 is fixed at one end, away from the die cover 2, of each elastic column 30, the die cover 2 moves to drive each elastic column 30 to move, each elastic column 30 moves to drive each fixing plate 31 to move until each fixing plate 31 abuts against the die holder 1, and each elastic column 30 generates elastic force.

As shown in fig. 2 and 3, after a workpiece is formed, the die cover 2 moves back upwards, the elastic force generated by the elastic column 30 plays a role of assisting the die cover 2 to move upwards, the elastic force generated by the spring one 16 drives the rotating rod one 12 and the rotating rod three 13 to rotate, the rotating rod one 12 drives the rotating rod two 14 to rotate, the rotating rod two 14 drives the pressing block one 6 to move upwards, the rotating rod three 13 drives the rotating rod four 15 to rotate, the rotating rod four 15 drives the pressing block two 7 to move upwards, the pressing block one 6 and the pressing block two 7 move upwards to drive the workpiece to move out, the die holder 1 is provided with an auxiliary blanking mechanism 17, the auxiliary blanking mechanism 17 comprises a motor one 18 and a gear 19, the die holder 1 is provided with a cavity 20, the motor one 18 is fixed in the cavity 20, an output shaft of the motor one 18 is fixedly connected with the gear 19, the die holder 1 is fixed with a control button 37, the control button 37 is pressed to start the motor one, an output shaft of the motor I18 rotates to drive the gear 19 to rotate, a first through groove 21 is formed between the cavity 20 and the annular groove 9, a second through groove 22 is formed between the cavity 20 and the annular groove 9, a first rack 23 is arranged in the first through groove 21, the first rack 23 is in sliding fit with the first through groove 21, a second rack 24 is arranged in the second through groove 22, the second rack 24 is in sliding fit with the second through groove 22, the gear 19 is meshed with the first rack 23, the gear 19 is meshed with the second rack 24, the gear 19 rotates the first rack 23 and the second rack 24 to move, a first push block 34 and a second push block 35 are respectively fixed at one ends, far away from the gear 19, of the first rack 23 and the second rack 24, the first push block 34 and the second push block 35 are driven to move, the first push block 34 drives the first rotating rod 12 to rotate, the second push block 35 drives the third rotating rod 13 to rotate, elastic force generated by the spring II 29 drives the recovery block 28 to move back.

As shown in fig. 1, the limiting device 5 includes a limiting rod 32 and a limiting nut 33, the limiting rod 32 is fixed on the die holder 1, the limiting rod 32 is in sliding fit with the die cover 2, the limiting rod 32 is in threaded fit with the limiting nut 33, the die cover 2 moves along the limiting rod 32 when moving towards the die holder 1, and the limiting nut 33 plays a role in preventing the die holder 1 and the die cover 2 from being closer to each other.

Claims

1. The die for stretch forming of the compressor shell comprises a die holder (1) and a die cover (2), and is characterized by further comprising a pressing device (3) arranged on the die cover (2) and used for pressing raw materials into a shape, a blanking device (4) arranged on the die holder (1) and used for taking out processed workpieces conveniently, and a limiting device (5) arranged on the die cover (2) and used for preventing the die cover (2) and the die holder (1) from being staggered, wherein the blanking device (4) comprises a first rotating rod (12) and a second rotating rod (7), a ring groove (9) is formed in the die holder (1), a fixing ring (11) is fixed on the inner wall of the ring groove (9), a first rotating rod (12) and a third rotating rod (13) are hinged in the ring groove (9), a second rotating rod (14) is hinged at one end of the first rotating rod (12), the first rotating rod (6) is arranged in the ring groove (9), and the first rotating rod (6) is in sliding fit with the ring groove (9), one end, far away from a rotating rod I (12), of the rotating rod II (14) is hinged to a pressing block I (6), the pressing block II (7) is arranged in the annular groove (9) and is in sliding fit with the annular groove (9), one end of the rotating rod III (13) is hinged to a rotating rod IV (15), one end, far away from the rotating rod III (13), of the rotating rod IV (15) is hinged to the pressing block II (7), a spring I (16) with one end fixed to the inner wall of the annular groove (9) is fixed to the rotating rod I (12) and the rotating rod III (13), and an auxiliary blanking mechanism (17) is arranged on the die holder (1).

2. The die for stretch forming of the compressor shell according to claim 1, wherein the auxiliary blanking mechanism (17) comprises a first motor (18) and a gear (19), a cavity (20) is formed in the die holder (1), the first motor (18) is fixed in the cavity (20), an output shaft of the first motor (18) is fixedly connected with the gear (19), a first through groove (21) is formed between the cavity (20) and the annular groove (9), a second through groove (22) is formed between the cavity (20) and the annular groove (9), a first rack (23) is arranged in the first through groove (21), the first rack (23) is in sliding fit with the first through groove (21), a second rack (24) is arranged in the second through groove (22), the second rack (24) is in sliding fit with the second through groove (22), and the gear (19) is engaged with the first rack (23), the gear (19) is meshed with the second rack (24).

3. The die for stretch forming of the compressor shell according to claim 1, wherein the pressing device (3) comprises a pressing block (25) and a restoring block (28), the pressing block (25) is fixed on the die cover (2), a sliding groove (27) communicated with the outside is formed in the pressing block (25), the restoring block (28) is placed in the sliding groove (27), a second spring (29) is fixed to one end of the sliding groove (27) and to an inner wall of the sliding groove (27) and is arranged in the sliding groove (27), a plurality of elastic columns (30) are fixed to the lower surface of the die cover (2), and a fixing plate (31) is fixed to one end, far away from the die cover (2), of each elastic column (30).

4. The die for stretch forming of the compressor shell as claimed in claim 1, wherein the limiting device (5) comprises a limiting rod (32) and a limiting nut (33), the limiting rod (32) is fixed on the die holder (1), the limiting rod (32) is in sliding fit with the die cover (2), and the limiting rod (32) is in threaded fit with the limiting nut (33).

5. The die for stretch forming of the compressor shell as recited in claim 2, wherein a first pushing block (34) and a second pushing block (35) are respectively fixed at one ends of the first rack (23) and the second rack (24) far away from the gear (19).

6. The die for stretch forming of the compressor shell as recited in claim 1, wherein the connecting column (36) is fixed on the upper surface of the die cover (2).

7. Die for stretch forming of a compressor shell according to claim 1, characterised in that a control button (37) is fixed on the die holder (1).