CN217596677U

CN217596677U - Punching structure of stamping die

Info

Publication number: CN217596677U
Application number: CN202221226364.8U
Authority: CN
Inventors: 李玉民
Original assignee: Stade Stamping Technology Suzhou Co ltd
Current assignee: Stade Stamping Technology Suzhou Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-10-18
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a stamping die's blanking structure relates to the stamping workpiece single face burr technical field of polishing. The utility model discloses a hydraulic punching machine and stamping workpiece, hydraulic punching machine include the blowing platform, and the blowing bench has seted up the die hole, and the blowing bench is provided with grinding machanism, and grinding machanism sets up in the downthehole base of mould including the activity, and axial rotation is provided with the revolving stage on the base, and the revolving stage is provided with the dull polish piece, sets up the thread groove that is circumference array distribution on the lateral wall in die hole, and the activity is provided with the ball between revolving stage and the thread groove. The blanking structure adopts the matching of the ball and the thread groove to lead the rotating platform to rotate and lift or descend, thereby driving the frosted sheet to rotate; through setting up the blotter that deformation recovery rate is superior to compression spring, make the abrasive sheet conflict earlier on the stamping workpiece, and then make the base support and drive the revolving stage when the thread groove is rotatory in pushing up by compression spring, the revolving stage orders about the burr on the synchronous rotation abrasive sheet stamping workpiece punches a hole through the blotter.

Description

Punching structure of stamping die

Technical Field

The utility model relates to a stamping workpiece single face burr technical field of polishing specifically is a stamping die's blanking structure.

Background

The stamping die is a special process equipment for processing materials into parts in cold stamping processing, and is called as a cold stamping die. The stamping die may be classified into a blanking die, a bending die, a drawing die, a forming die, and a riveting die according to process properties, wherein the blanking die is a die for separating a material along a closed or open contour line, and may be classified into a blanking die, a punching die, a cutting die, a notching die, a trimming die, a slitting die, and the like.

According to patent No. CN213436599U, published (public): 2021-06-15, discloses a blanking structure for a stamping die, comprising a blanking mechanism and a stamping mechanism, wherein the stamping mechanism is arranged below the blanking mechanism, the blanking mechanism comprises a guide die and a blanking block, and the guide die is arranged at the periphery of the blanking block; the stamping mechanism comprises a base, a stamping area, a storage area and a positioning assembly, the stamping area and the storage area are arranged in the base, the storage area is located below the stamping area, and the positioning assembly is arranged in the stamping area. This blanking structure sets up locating component everywhere, sets up the spring through one side of locating piece, and the one end of spring is connected with the inner wall in punching press district, and the guide way has been seted up to the both sides inner wall of deuterogamy guide die, and the guide block has been seted up to the both sides of punching press piece, and the guide block matches with the guide way, when punching a hole, can carry out the centre gripping location to the work piece, ensures the precision of punching a hole of work piece.

In the actual production, when punching a hole to sheet metal spare, adopt hydraulic punching machine usually, nevertheless the hydraulic punching machine back of punching a hole, unilateral burr often can appear on the sheet metal spare, and the clearance is troublesome, and the mode clearance burr of polishing with abrasive paper at present mostly by the manual work is wasted time and energy and inefficiency, still leads to the workman to point easily by the burr fish tail.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stamping die's blanking structure to solve the problem that the unilateral burr appears and is difficult to clear up in the hydraulic pressure piercing press back of punching a hole among the above-mentioned background art on the sheet metal spare.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a stamping die's blanking structure includes hydraulic piercing press and stamping workpiece, including hydraulic piercing press and stamping workpiece, hydraulic piercing press includes the blowing platform, the die hole has been seted up on the blowing bench, the blowing bench is provided with grinding mechanism, grinding mechanism sets up the base in the die hole including the activity, axial rotation is provided with the revolving stage on the base, the revolving stage is provided with the dull polish piece, set up the thread groove that is circumference array distribution on the lateral wall in die hole, the activity is provided with the ball between revolving stage and the thread groove.

Furthermore, a cushion pad is arranged between the base and the abrasive sheet, and one end of the abrasive sheet extends to the outer side of the discharge table through a die hole.

Furthermore, the base is provided with the bracing piece for the one end of revolving stage, the base is provided with compression spring for between the lateral wall in one end of revolving stage and mould hole.

Furthermore, an air pipe is arranged on the discharging table in the horizontal direction, and an air compressor is arranged at one end of the air pipe.

Further, the hydraulic punching machine further comprises a punch.

Compared with the prior art, the above one or more technical schemes have the following beneficial effects:

the utility model adopts the matching of the ball and the thread groove to lead the rotating platform to rotate and lift or descend, thereby driving the frosted sheet to rotate; through setting up the blotter that deformation recovery speed is superior to compression spring, make the abrasive sheet conflict earlier on the stamping workpiece, and then make the base support and push up and drive the revolving stage when rotatory along the thread groove by compression spring, the revolving stage orders about the synchronous rotation of abrasive sheet through the blotter, reaches the purpose of the burr on the stamping workpiece punches a hole of polishing.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to constitute a limitation on the invention.

In the drawings:

fig. 1 is a schematic view of a part of a hydraulic punching machine provided by the present invention;

fig. 2 is an enlarged view of a point a in fig. 1.

In the figure:

1. a punch; 2. a discharge table; 21. an air compressor; 22. an air duct; 23. a die hole; 24. A thread groove; 3. a base; 31. a cushion pad; 32. grinding a sand sheet; 33. a ball bearing; 34. a compression spring; 35. a rotating table; 4. and (5) stamping.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

Please refer to fig. 1-2, the utility model provides an including hydraulic piercing press and stamping workpiece 4, hydraulic piercing press includes blowing platform 2, blowing platform 2 is used for placing stamping workpiece 4, die hole 23 has been seted up on blowing platform 2, die hole 23 cooperates punch a hole to stamping workpiece 4 by drift 1, be provided with grinding machanism on blowing platform 2, grinding machanism sets up base 3 in die hole 23 including the activity, compression spring 34 applys vertical ascending power for base 3, axial rotation is provided with revolving stage 35 on base 3, revolving stage 35 is provided with dull polish piece 32, when stamping workpiece 4 places on blowing platform 2, stamping workpiece 4 extrusion dull polish piece 32 downstream, blotter 31 cooperates compression spring 34 to apply the power for base 3, the dull polish piece 32 that supports and pushes away hugs closely on stamping workpiece 4, set up the thread groove 24 that is circumference array distributes on the lateral wall of die hole 23, the activity is provided with ball 33 between base 3 and the thread groove 24.

In order to achieve the purpose of polishing the burrs on the single surface of the stamping part 4, as shown in fig. 2, the hydraulic punching machine further comprises a punch 1, a cushion pad 31 is arranged between the base 3 and the polishing sheet 32, one end of the polishing sheet 32 extends to the outer side of the discharging table 2 through a die hole 23, a support rod is arranged at one end of the base 3 opposite to the rotating table 35 and used for keeping the base 3 to move along the axial lead of the die hole 23, a compression spring 34 is arranged between one end of the base 3 opposite to the rotating table 35 and the side wall of the die hole 23, an air pipe 22 is arranged on the discharging table 2 along the horizontal direction, and an air compressor 21 is arranged at one end of the air pipe 22; the punch 1 is driven by hydraulic pressure to punch a hole downwards on a punching part 4, then the punched disc is pushed to move downwards continuously, the abrasive sheet 32 is pushed to extrude the buffer pad 31, the buffer pad 31 is compressed and deformed, and then the rotary table 35 and the base 3 are pushed to move downwards, the balls 33 are matched with the thread grooves 24 to enable the rotary table 35 to rotate along the track of the thread grooves 24 in the descending process until the disc moves to the position of the air pipe 22 and stops, then the punch 1 is driven by hydraulic pressure to move upwards, the air compressor 21 sprays compressed air into the air pipe 22, the disc and scraps generated in punching are blown out of the discharging table 2 along the air pipe 22, meanwhile, the compression spring 34 is pushed to push the base 3 to move upwards, the rotary table 35 is pushed to rotate upwards along the track of the thread grooves 24, the abrasive sheet 32 is driven to move upwards by the buffer pad 31, at the moment, the buffer pad 31 recovers deformation before the compression spring 34, the abrasive sheet 32 is made to return to the lower surface of the burr 4, the base 3 does not recover to the original position, the base 3 continues to be lifted under the action of the impact spring 34, and then drives the stamping part on the lower surface of the stamping part 4 to be polished by the rotary table, and the rotary table 3, and the punch a hole is recovered.

The working principle is as follows: the punch 1 is driven by hydraulic pressure to punch the punching part 4 downwards, then the punched wafer is pushed to move downwards continuously, the abrasive sheet 32 is pushed to press the cushion pad 31, the cushion pad 31 is compressed and deformed, the rotary table 35 and the base 3 are pushed to move downwards, the ball 33 is matched with the thread groove 24 to enable the rotary table 35 to rotate along the track of the thread groove 24 in the process of descending until the wafer moves to the position of the air pipe 22 and stops, then the punch 1 is driven by hydraulic pressure to move upwards, the air compressor 21 sprays compressed air into the air pipe 22, the wafer and fragments generated in punching are blown out of the discharging table 2 along the air pipe 22, meanwhile, the compression spring 34 is pushed to push the base 3 to move upwards, the rotary table 35 is further pushed to move upwards along the track of the thread groove 24 in a rotating mode, the abrasive sheet 32 is driven by the cushion 31 to move upwards in a rotating mode, at the moment, the cushion pad 31 recovers deformation before the compression spring 34, the abrasive sheet 32 is made to contact with the lower surface of the burr 4, the base 3 does not recover the original position, the base 3 is continuously lifted by the action of the compression spring 34, and then the lower surface of the punch on the rotary table 4 is driven by the rotating rotary table 35, and the lower surface of the abrasive sheet 32 is polished until the punch is recovered in situ.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and for those skilled in the art, the present invention may have various modifications and variations, it should be noted that: for those skilled in the art, without departing from the principle of the present invention, a plurality of modifications and decorations can be made, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a stamping die's blanking structure, includes hydraulic piercing press and stamping workpiece (4), its characterized in that: the hydraulic punching machine comprises a discharging table (2), a die hole (23) is formed in the discharging table (2), a grinding mechanism is arranged on the discharging table (2) and comprises a base (3) movably arranged in the die hole (23), a rotating table (35) is axially arranged on the base (3) in a rotating mode, a grinding piece (32) is arranged on the rotating table (35), thread grooves (24) distributed in a circumferential array mode are formed in the side wall of the die hole (23), and balls (33) are movably arranged between the rotating table (35) and the thread grooves (24).

2. The blanking structure of a press die according to claim 1, wherein: a buffer pad (31) is arranged between the base (3) and the abrasive sheet (32), and one end of the abrasive sheet (32) extends to the outer side of the discharging table (2) through the die hole (23).

3. The blanking structure of a press die according to claim 1, wherein: the base (3) are provided with the bracing piece for the one end of revolving stage (35), be provided with compression spring (34) between the lateral wall of base (3) for the one end of revolving stage (35) and mould hole (23).

4. The blanking structure of a press die according to claim 1, wherein: an air pipe (22) is arranged on the discharging platform (2) along the horizontal direction, and an air compressor (21) is arranged at one end of the air pipe (22).

5. The blanking structure of a press die according to claim 1, wherein: the hydraulic punching machine further comprises a punch (1).