CN219211405U

CN219211405U - Stamping die for door hinge

Info

Publication number: CN219211405U
Application number: CN202320314828.9U
Authority: CN
Inventors: 尤春林; 江威; 任亚南
Original assignee: Guixi Chuangzhou Electromechanical Co ltd
Current assignee: Guixi Chuangzhou Electromechanical Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-06-20
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a stamping die for a door hinge, which belongs to the technical field of stamping dies and comprises a fixed die, wherein a fixing frame is fixed on the back of the top of the fixed die, and a hydraulic cylinder is fixed on the top of the fixing frame.

Description

Stamping die for door hinge

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a door hinge stamping die.

Background

A stamping die is a special process equipment for processing a material (metal or nonmetal) into a part (or a semi-finished product) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a material is pressed at room temperature by a die attached to a press to be separated or plastically deformed, thereby obtaining a desired part.

When rough machining is carried out on a door hinge by using a stamping die, the stamping is firstly carried out to complete the rudiment, the door hinge is stamped into a specific shape by adopting a steel plate, a small workshop generally adopts semi-mechanized operation, the steel plate is stamped for many times by manually adjusting the position of the steel plate, due to the fact that the position of the steel plate is manually adjusted manually, the steel plate is easy to misplace, the steel plate is wasted or the stamped workpiece is incomplete, in order to improve the moving accuracy of the steel plate, the mechanical transmission is utilized to replace the manual work, but the mechanical transmission of the steel plate is easy to shake, the stability is insufficient, the steel plate is still easy to displace in the stamping process, and the machining effect is low.

In the prior art, publication No.: the utility model of CN218049962U in China discloses a stamping die for door hinges, which relates to the technical field of door hinge processing and comprises a base, wherein supporting columns are fixedly arranged at four corners of the bottom end of the base, a supporting plate is fixedly arranged in the middle of the top end of the base, movable rods are slidably connected with the inner walls of two sides of the top end of the base, a first sliding groove is formed in the inner wall of the middle of the supporting plate, a lower die is slidably connected with the inner wall of the first sliding groove, and the tops of the two movable rods are fixedly connected with two sides of the bottom end of the lower die respectively: the piston rod of the first cylinder stretches to drive the upper die to move downwards, after the upper die is contacted with the lower die, the lower die slides downwards on the inner wall of the second chute, when the lower die is positioned below the ventilation pipe, the fan operates to blow scraps in the lower die, the scraps fall into the dust collection box through the feeding chute, then the cover plate is rotated and the pull ring is pulled to enable the dust collection box to slide out of the second chute, and therefore workers can collect and clean the scraps remained in the lower die conveniently.

According to the technical scheme, the heated raw materials are added into the lower die, the first air cylinder is utilized to drive the upper die to pressurize the raw materials to form the door hinge embryonic form with a specific shape, the process is carried out in a hot pressing mode, scraps are rarely generated generally, meanwhile, the raw materials are required to be heated in advance in a hot pressing mode, the waste of resources is caused, the embryonic form of the door hinge can be processed more rapidly in a cold pressing mode, the effect of the door hinge is locally consistent with that of the hot pressing, the processing efficiency is reduced due to the fact that the raw materials are required to be processed in advance, and cooling treatment is required to be carried out after the processing is finished, so that the process is complex.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a door hinge stamping die, includes fixed mould, the back at fixed mould top is fixed with the mount, the top of mount is fixed with the pneumatic cylinder, the piston rod of pneumatic cylinder runs through the mount and is fixed with movable mould, movable mould can reciprocate at fixed mould's inner chamber, fixed frame is all fixed with to the both sides of fixed mould, fixed frame's inner chamber is connected with the rotation axis through the bearing rotation, the fixed surface of rotation axis is fixed with the gyro wheel, fixed mould's back is provided with drive assembly, accomodate the groove has been seted up on the surface of gyro wheel, accomodate the inner chamber swing joint in groove has the movable column, one side in opposite directions of movable column is fixed with the limiting plate, the surface cover of movable column is equipped with first spring, one side in opposite directions of first spring is fixed in the surface of limiting plate, the opposite directions of first spring is fixed in accomodate the inner chamber in the groove, one side that the limiting plate was kept away from to the movable column is fixed with the sucking disc, the sucking disc is located accomodate the inner chamber of groove, the steel sheet has been placed at the top of fixed mould and fixed frame.

Preferably, the driving assembly comprises a stepping motor fixed on the back surface of the fixed die, an output shaft of the stepping motor is fixed with a double grooved pulley, the back surface of the rotating shaft penetrates through the fixed frame and is fixed with a driven pulley, and the double grooved pulley is in transmission connection with the surface of the driven pulley.

Preferably, the inner cavity of the fixed die is movably connected with a movable plate, connecting columns are fixed on the periphery of the bottom of the movable plate, the bottom of each connecting column penetrates through the fixed die and is fixed with a fixed plate, a second spring is wound on the surface of each connecting column, the top of each second spring is fixed on the bottom of the fixed die, and the bottom of each second spring is fixed on the top of the fixed plate.

Preferably, the bottom of the inner cavity of the fixed die is fixed with fixed columns, and the fixed columns are distributed on the front surface and the back surface of the bottom of the inner cavity of the fixed die.

Preferably, limit rods are fixed on the periphery of the top of the movable die, and the tops of the limit rods penetrate through the fixing frame and extend upwards.

Preferably, the roller is arranged in a triangular prism shape, and the corner of the roller is arranged in an arc shape.

Preferably, the front surface of the steel plate is flush with the front end of the fixed die, and the width of the steel plate is larger than the width of the inner cavity of the fixed die.

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

1. according to the utility model, the double grooved wheels are driven to rotate by the stepping motor, the rotating shaft is driven to rotate by the driving belt and the driven wheel, the roller is driven to rotate by the rotating shaft, the steel plate is moved step by rotating the roller, so that the steel plate stably moves at the top of the fixed die, the sucker is arranged on the surface of the roller, the steel plate is tightly adsorbed by the sucker while the movable die moves downwards to punch the steel plate, the steel plate is limited by the sucker, the steel plate is prevented from being displaced in the punching process, the incomplete workpiece processed by the steel plate is caused, the two steel plates of the door hinge are directly punched and molded by the movable die, meanwhile, the mounting hole is punched and molded by the fixed column, and the door hinge processing efficiency is improved.

2. According to the utility model, through the arrangement of the shape of the roller, three planes of the triangular prism can support the steel plate, so that the steel plate is stably placed at the tops of the fixed die and the fixed frame, and when the roller rotates, the steel plate can move to one side under the driving of the roller, so that the raw materials can be saved as much as possible when the steel plate is processed, and the yield is improved.

Drawings

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

FIG. 2 is a schematic view of a partial perspective structure of the present utility model;

FIG. 3 is a schematic rear perspective view of the present utility model;

fig. 4 is a schematic cross-sectional perspective view of the roller of the present utility model.

Reference numerals in the drawings: 1. fixing a die; 2. a fixing frame; 3. a hydraulic cylinder; 4. a movable mold; 5. a fixed frame; 6. a rotation shaft; 7. a roller; 8. a drive assembly; 81. a stepping motor; 82. a double sheave; 83. driven wheel; 84. a drive belt; 9. a storage groove; 10. a movable column; 11. a first spring; 12. a suction cup; 13. a steel plate; 14. a movable plate; 15. a connecting column; 16. a second spring; 17. fixing the column; 18. and a limit rod.

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.

The utility model provides a door hinge stamping die as shown in figures 1-4, which comprises a fixed die 1, wherein a fixed frame 2 is fixed on the back of the top of the fixed die 1, a hydraulic cylinder 3 is fixed on the top of the fixed frame 2, a piston rod of the hydraulic cylinder 3 penetrates through the fixed frame 2 and is fixed with a movable die 4, the movable die 4 can move up and down in an inner cavity of the fixed die 1, fixed frames 5 are fixed on two sides of the fixed die 1, the inner cavity of the fixed frame 5 is rotationally connected with a rotating shaft 6 through a bearing, a roller 7 is fixed on the surface of the rotating shaft 6, a driving component 8 is arranged on the back of the fixed die 1, a storage groove 9 is formed on the surface of the roller 7, a movable column 10 is movably connected in the inner cavity of the storage groove 9, a limiting plate is fixed on one side of the movable column 10 opposite to the other side, a first spring 11 is sleeved on the surface of the movable column 10, one side of the first spring 11 opposite to the limiting plate is fixed on the surface of the limiting plate, the other side of the first spring 11 is fixed in the inner cavity of the storage groove 9, a sucker 12 is fixed on one side of the movable column 10 away from the limiting plate, the sucker 12 is positioned in the inner cavity of the storage groove 9, the steel plate 13 is placed at the tops of the fixed die 1 and the fixed frame 5, the double grooved pulley 82 is driven to rotate by the stepping motor 81, then the rotating shaft 6 is driven to rotate by the driving belt 84 and the driven pulley 83, the roller 7 is driven to rotate by the rotating shaft 6, the steel plate 13 is moved step by rotating the roller 7, the steel plate 13 is stably moved at the top of the fixed die 1, then the sucker 12 is arranged on the surface of the roller 7, the steel plate 13 and the sucker 12 are tightly adsorbed when the movable die 4 moves downwards to punch the steel plate 13, the steel plate 13 is limited by the sucker 12, the steel plate 13 is prevented from being displaced in the punching process, and the work piece processed by the steel plate 13 is incomplete, two steel sheets of the door hinge are directly punched and formed by the movable die 4, and meanwhile, the mounting holes are punched and formed by the fixed columns 17, so that the processing efficiency of the door hinge is improved.

The driving assembly 8 comprises a stepping motor 81 fixed on the back surface of the fixed die 1, a double-grooved wheel 82 is fixed on an output shaft of the stepping motor 81, a driven wheel 83 is fixed on the back surface of the rotating shaft 6, the double-grooved wheel 82 and the surface of the driven wheel 83 are in transmission connection with a transmission belt 84, the double-grooved wheel 82 is driven to rotate through the stepping motor 81, then the double-grooved wheel 82 drives the driven wheel 83 to rotate through the transmission belt 84, the rotating shaft 6 and the idler wheel 7 are enabled to rotate, and the steel plate 13 is moved through rotation of the idler wheel 7.

The inner cavity swing joint of fixed mould 1 has fly leaf 14, all be fixed with spliced pole 15 around the fly leaf 14 bottom, the bottom of spliced pole 15 runs through fixed mould 1 and is fixed with the fixed plate, the surface winding of spliced pole 15 has second spring 16, the top of second spring 16 is fixed in the bottom of fixed mould 1, the bottom of second spring 16 is fixed in the top of fixed plate, support spliced pole 15 and fly leaf 14 through the elasticity of second spring 16, can make stamping forming's work piece upwards move in fixed mould 1 under the drive of second spring 16, make the work piece shift out from fixed mould 1, the work piece that conveniently finishes carries out the unloading.

The bottom of the inner cavity of the fixed die 1 is fixed with the fixed columns 17, the fixed columns 17 are distributed on the front surface and the back surface of the bottom of the inner cavity of the fixed die 1, the steel plate 13 is punched at the position of the fixed columns 17 to complete the position of the mounting hole through the arrangement of the fixed columns 17 in the process of pressing down the movable die 4 conveniently, multiple steps are completed together, and the stamping efficiency of the door hinge is improved.

The gag lever post 18 is all fixed with all around at movable mould 4 top, and the top of gag lever post 18 runs through mount 2 and upwards extends, and through the setting of gag lever post 18, conveniently spacing movable mould 4, guarantee movable mould 4's steady, avoid movable mould 4 to take place to rock at the in-process that moves down, lead to when punching press to steel sheet 13 with fixed mould 1, lead to the work piece processing failure.

The gyro wheel 7 is the triangular prism setting, and the turning of gyro wheel 7 is circular-arc setting, through the setting to the gyro wheel 7 shape, utilizes the characteristic of triangular prism, can make the trilateral steel sheet 13 of triangular prism steadily support, makes steel sheet 13 steadily place at fixed mould 1 and the top of fixed frame 5 simultaneously, conveniently carries out punching press operation to steel sheet 13, and the turning of gyro wheel 7 is circular-arc setting simultaneously, can utilize the gyro wheel 7 surface to the distance difference between the rotation axis 6, realizes the removal to steel sheet 13.

The front of steel sheet 13 flushes with the front end of fixed mould 1, and the width of steel sheet 13 is greater than the width of fixed mould 1 inner chamber, through the restriction to steel sheet 13 size, makes things convenient for steel sheet 13 under the punching press of movable mould 4 and fixed mould 1, reduces the waste of steel sheet 13, can ensure simultaneously that steel sheet 13 moves to one side under the drive of gyro wheel 7, makes steel sheet 13 continuous punching press become the work piece.

When the steel plate 13 is placed at the top of the fixed die 1 and the fixed frame 5, the stepping motor 81 is started, then the output shaft of the stepping motor 81 drives the double grooved pulley 82 to rotate, meanwhile, the double grooved pulley 82 drives the driven pulley 83 to rotate through the transmission belt 84, the driven pulley 83 drives the rotating shaft 6 to rotate, then the rotating shaft 6 drives the roller 7 to rotate, the roller 7 jacks up the steel plate 13, and then the steel plate is conveyed to one side, when the steel plate 13 is stably placed at the top of the fixed die 1, the hydraulic cylinder 3 is started, and a piston rod of the hydraulic cylinder 3 drives the movable die 4 to move downwards. Then the movable die 4 is pressed down to be in contact with the steel plate 13, at the moment, the steel plate 13 is pressed to be in contact with the suction disc 12, the suction disc 12 is tightly connected with the steel plate 13, the steel plate 13 is limited and fixed, along with the downward movement of the movable die 4, the movable die 4 and the fixed die 1 punch and cut the steel plate 13, the cut steel plate 13 falls into the inner cavity of the fixed die 1, then the steel plate 13 is pressed by the movable plate 13 to enable the fixed column 17 to punch the steel plate 13, the machining of the mounting hole is completed, then the movable die 4 continues to punch and divide the steel plate 13, the steel plate 13 in the fixed die 1 is punched into a rough blank pattern of a door hinge, along with the upward movement of the movable die 4, the rough blank of the door hinge machined in the fixed die 1 moves upwards under the support of the second spring 16, the rough blank moves out of the fixed die 1, then a stepping motor is started, along with the rotation of the roller 7, the suction disc 12 and the steel plate 13 are sequentially separated, the steel plate 13 is sequentially machined again, and the door hinge punching efficiency can be ensured.

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

1. Door hinge stamping die, including fixed mould (1), its characterized in that: the utility model discloses a sucking disc sucking device, which comprises a fixing die (1), a fixing frame (2) is fixed on the back of the top of the fixing die, a hydraulic cylinder (3) is fixed on the top of the fixing frame (2), a piston rod of the hydraulic cylinder (3) penetrates through the fixing frame (2) and is fixedly provided with a movable die (4), the movable die (4) can move up and down in an inner cavity of the fixing die (1), fixing frames (5) are fixed on two sides of the fixing die (1), a rotating shaft (6) is rotatably connected with the inner cavity of the fixing frames (5) through a bearing, a roller (7) is fixed on the surface of the rotating shaft (6), a driving component (8) is arranged on the back of the fixing die (1), a storage groove (9) is formed in the surface of the roller (7), a movable column (10) is movably connected with the inner cavity of the storage groove (9), a limiting plate is fixed on one side of the movable column (10), a first spring (11) is sleeved on the surface of the opposite side of the movable column (10), one side of the first spring (11) is fixed on the surface of the limiting plate, the other side of the inner cavity (11) is fixed on the inner cavity (12) of the movable column (9) and is far away from the sucking disc (12), the tops of the fixed die (1) and the fixed frame (5) are provided with steel plates (13).

2. The door hinge stamping die of claim 1, wherein: the driving assembly (8) comprises a stepping motor (81) fixed on the back of the fixed die (1), a double-groove wheel (82) is fixed on an output shaft of the stepping motor (81), the back of the rotating shaft (6) penetrates through the fixed frame (5) and is fixed with a driven wheel (83), and a transmission belt (84) is connected with the surface of the driven wheel (83) in a transmission manner.

3. The door hinge stamping die of claim 1, wherein: the inner cavity swing joint of fixed mould (1) has fly leaf (14), all be fixed with spliced pole (15) around fly leaf (14) bottom, the bottom of spliced pole (15) runs through fixed mould (1) and is fixed with the fixed plate, the surface winding of spliced pole (15) has second spring (16), the top of second spring (16) is fixed in the bottom of fixed mould (1), the bottom of second spring (16) is fixed in the top of fixed plate.

4. The door hinge stamping die of claim 1, wherein: the bottom of the inner cavity of the fixed die (1) is fixed with fixed columns (17), and the fixed columns (17) are distributed on the front surface and the back surface of the bottom of the inner cavity of the fixed die (1).

5. The door hinge stamping die of claim 1, wherein: limiting rods (18) are fixed on the periphery of the top of the movable die (4), and the tops of the limiting rods (18) penetrate through the fixing frame (2) and extend upwards.

6. The door hinge stamping die of claim 1, wherein: the roller (7) is arranged in a triangular prism shape, and the corners of the roller (7) are arranged in an arc shape.

7. The door hinge stamping die of claim 1, wherein: the front of the steel plate (13) is flush with the front end of the fixed die (1), and the width of the steel plate (13) is larger than the width of the inner cavity of the fixed die (1).