CN111434417A

CN111434417A - Burr stamping die and contain its burr remove device

Info

Publication number: CN111434417A
Application number: CN201910032856.XA
Authority: CN
Inventors: 付成坤
Original assignee: SHANGHAI JINTUO METAL PRODUCTS CO Ltd
Current assignee: SHANGHAI JINTUO METAL PRODUCTS CO Ltd
Priority date: 2019-01-14
Filing date: 2019-01-14
Publication date: 2020-07-21

Abstract

The invention discloses a burr stamping die and a burr removing device comprising the same, wherein the burr stamping die comprises an upper die and a lower die, the lower die is used for positioning a processed workpiece, the upper die is arranged above the lower die and can reciprocate along the vertical direction relative to the lower die, and a punch of the upper die comprises: the inner punch is used for removing burrs of the inner ring of the processed workpiece when the upper die moves downwards; and the outer punch head surrounds the inner punch head and is used for removing burrs of the outer ring of the processed workpiece when the upper die moves downwards. This burr stamping die makes its drift can be amputated the burr at work piece edge through the downstream of last mould, and this drift includes interior drift and outer drift to the efficiency of work piece inner circle and outer lane burr is got rid of simultaneously to the realization, compares in the manual burr of getting rid of the work piece of adoption, and this burr stamping die passes through mechanical drive, has practiced thrift the human cost, and does not have the possibility of omitting the burr, can not influence the follow-up normal use of work piece.

Description

Burr stamping die and contain its burr remove device

Technical Field

The invention relates to a burr stamping die and a burr removing device comprising the same.

Background

With the increasing popularization of automobiles, many people develop their own favorite automobiles, but the automobiles are vehicles which run at high speed, the surface precision requirements of all parts of the automobiles are relatively strict, and for die casting parts applied to the interiors of the automobiles, due to the particularity of die casting processes, almost all die casting parts have burrs on parting edges, and how to quickly and cleanly remove the burrs on the surfaces of the parts is a difficult problem which is left in front of people.

The inner ring and the outer ring of the shock absorber part of an automobile engine have burrs, and many manufacturers manually remove the burrs, so that the efficiency is low, and the hidden trouble that the normal use of the part is influenced due to the fact that the local burrs are not completely removed may exist. At the same time. As personnel use costs continue to increase, so too does the cost of deburring.

Disclosure of Invention

The invention aims to overcome the defects that in the prior art, the efficiency is low and the hidden danger influencing the normal use of parts exists due to the fact that burrs on the surfaces of the parts are manually removed, and provides a burr stamping die and a burr removing device comprising the same.

The invention solves the technical problems through the following technical scheme:

a burr punching die, comprising an upper die for positioning a work piece and a lower die, the upper die being disposed above the lower die and being capable of reciprocating in a vertical direction with respect to the lower die, the upper die having a punch, the punch comprising:

the inner punch is used for removing burrs of the inner ring of the processed workpiece when the upper die moves downwards;

the outer punch is arranged around the inner punch and used for removing burrs of the outer ring of the machined workpiece when the upper die moves downwards.

This burr stamping die fixes a position the work piece on the lower mould, and through the downstream of last mould, make its drift can be with the burr excision of work piece edge, this drift is through setting up interior drift and outer drift, in order to realize getting rid of the efficiency of work piece inner circle and outer lane burr simultaneously, compare in the burr that adopts the manual work piece of getting rid of among the prior art, this burr stamping die passes through mechanical drive, the human cost has been practiced thrift, and there is not the possibility of omitting the burr, can not influence the follow-up normal use of work piece.

Preferably, the upper die has an accommodating space between the inner punch and the outer punch for accommodating the work piece when the upper die moves downward so that the work piece can be positioned between the inner punch and the outer punch.

Preferably, the burr punching die further includes:

and the discharging head is arranged in the accommodating space and is used for applying a downward acting force to the workpiece along the moving direction of the upper die when the workpiece is positioned in the accommodating space, so that the workpiece can be separated from the accommodating space and is kept positioned on the lower die when the punch of the upper die finishes cutting off burrs of the workpiece and moves upwards.

Preferably, the lower die has an inner positioning surface and an outer positioning surface, when the upper die moves downward, the inner positioning surface is attached to the inner punch, and the outer positioning surface is attached to the outer punch, so that the lower die can perform upward die alignment, and consistency of relative positions of the upper die and the lower die when the upper die is pressed down to the lower die for multiple times is improved.

Preferably, the inner positioning surface is located on the inner side wall of the lower die.

Through this kind of overall arrangement mode, make go up the mould after pushing down to the lower mould, its interior drift that is used for the excision burr is through laminating on the inside wall of lower mould to realize going up the location between mould and the lower mould, thereby effectively reduce the appearance volume of lower mould and the complexity of structure.

Preferably, the outer positioning surface is located on an outer side wall of the lower die.

Through this kind of overall arrangement mode, make go up the mould after pushing down to the lower mould, its outer drift that is used for the excision burr is through laminating on the lateral wall of lower mould to realize going up the location between mould and the lower mould, thereby effectively reduce the appearance volume of lower mould and the complexity of structure.

Preferably, the bottom surface of the workpiece is arranged on the lower die, the top of the lower die is provided with a convex part or a concave part matched with the surface shape of the bottom surface of the workpiece, and the lower die positions the workpiece through the convex part or the concave part.

The technical scheme provides a better realization structure for positioning the processed workpiece at the top of the lower die.

A burr removal device, comprising:

the burr pressing die as described above;

the stamping device comprises an upper platen, a lower platen and a stamping device, wherein the upper platen and the lower platen can be opened and closed relatively, the lower platen is fixed on the surface of the lower platen, the upper platen is fixed on the surface of the upper platen, and the stamping device drives the upper platen and drives the upper platen to reciprocate along the vertical direction.

The upper die and the lower die of the burr stamping die are respectively fixed on the upper platen and the lower platen of the stamping machine, so that the stamping device of the stamping machine drives the upper die to press down, and burrs of a workpiece fixed on the lower die are removed. Compared with an upper die and a lower die which use other equipment to press the burr stamping die, the burr removing device is realized by using the punching machine, the burr removing efficiency can be effectively improved, and the quality of burr removal of the machined workpiece by the burr stamping die can also be improved due to the high output pressure of the punching machine and the high motion repetition precision between the upper platen and the lower platen.

Preferably, the burr removing device further comprises a guide pillar and a guide sleeve, the guide pillar is arranged on the lower table top, the guide sleeve is arranged on the upper table top, and the guide pillar penetrates through the guide sleeve when the upper die moves downwards so as to improve the positioning repetition precision of the upper table top and the lower table top in the pressing process.

Preferably, the burr remove device still includes spacing post, spacing post set up in mesa down, when going up the mould when moving down, the top of spacing post through support lean on in the surface of last mesa to the restriction go up the movement stroke of mould, it is excessive to avoid stamping device to drive the last mould pressfitting lower mould, leads to going up mould and lower mould to appear damaging.

The positive progress effects of the invention are as follows:

among this burr stamping die and contain its burr remove device, burr stamping die fixes a position the work piece on the lower mould, and through the downstream of last mould, make its drift can be with the burr excision of work piece edge, this drift is through setting up interior drift and outer drift, in order to realize getting rid of the efficiency of work piece inner circle and outer lane burr simultaneously, compare in the burr of adopting the manual work piece of getting rid of among the prior art, this burr stamping die accessible mechanical drive, the human cost has been practiced thrift, and do not have the possibility of omitting the burr, can not influence the follow-up normal use of work piece.

Drawings

Fig. 1 is a schematic structural view of a burr punching die according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of a workpiece according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view of an upper die of the burr stamping die according to an embodiment of the present invention.

Fig. 4 is a schematic view of an internal structure of an upper die of the burr punching die according to an embodiment of the present invention.

Fig. 5 is a schematic perspective view of a lower die of the burr punching die according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a deburring device according to an embodiment of the present invention.

Fig. 7 is a schematic perspective view of an upper platen of the deburring device according to an embodiment of the present invention.

Fig. 8 is a schematic perspective view of a lower platen of the deburring device according to an embodiment of the present invention.

Description of reference numerals:

burr stamping die 1

Upper die 2

Punch 21, inner punch 211, outer punch 212, additional punch 213

Accommodation space 22

Discharge head 23, discharge block 231, spring 232

The lower die 3, an inner positioning surface 31, an outer positioning surface 32, a convex part 33 and a relief hole 34

Work piece 5, inner ring 51, outer ring 52, bottom surface 53, feature hole 54

Burr removing device 6

Punch press 7, upper platen 71, lower platen 72, and punch press 73

Guide post 81, guide sleeve 82

Limit post 9, top 91

Detailed Description

The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, the present invention provides a burr punching die 1, which includes an upper die 2 and a lower die 3. The lower die 3 is used for positioning the work material 5 so that the work material 5 is held on the lower die 3, the upper die 2 is disposed above the lower die 3 and is capable of reciprocating in the vertical direction with respect to the lower die 3, the upper die 2 has a punch 21, the punch 21 includes an inner punch 211 for removing burrs of the inner ring 51 of the work material 5 when the upper die 2 moves downward, and an outer punch 212 is disposed around the inner punch 211, the outer punch 212 for removing burrs of the outer ring 52 of the work material 5 when the upper die 2 moves downward.

This burr stamping die 1 fixes a position work piece 5 on lower mould 3, and through the downstream of last mould 2, make its drift 21 can be with the burr excision of work piece 5 edge, this drift 21 is through setting up interior drift 211 and outer drift 212, in order to realize the efficiency of getting rid of work piece 5 inner circle 51 and outer lane 52 burr simultaneously, compare in the burr that adopts manual removal work piece 5 among the prior art, this burr stamping die 1 passes through mechanical drive, the human cost has been practiced thrift, and do not have the possibility of omitting the burr, can not influence the follow-up normal use of work piece 5.

As shown in fig. 3 and 4, the upper die 2 of the burr punching die 1 has an accommodation space 22, the accommodation space 22 is located between the inner punch 211 and the outer punch 212, and when the upper die 2 moves downward, the accommodation space 22 is used to accommodate the work piece 5 so that the work piece 5 can be located between the inner punch 211 and the outer punch 212.

In addition, the burr punching die 1 further includes a discharge head 23, the discharge head 23 is disposed in the accommodating space 22, and when the work material 5 is located in the accommodating space 22, the discharge head 23 applies a downward force to the work material 5 in a moving direction of the upper die 2, so that the work material 5 can be separated from the accommodating space 22 and remain located on the lower die 3 during the process of completing the burr removal and upward movement of the work material 5 by the punch 21 of the upper die 2.

As shown in fig. 4, in the present embodiment, the discharging head 23 includes a discharging block 231 and a spring 232, the discharging block 231 is a circular ring-shaped metal block disposed in the accommodating space 22, a lower surface of the discharging block is used for contacting the workpiece 5, and an upper surface of the discharging block is connected to the spring 232, and the spring 232 generates a downward force by its own compression and is transmitted to the workpiece 5 through the discharging block 231. However, the specific structure of the discharge head 23 is only a preferred embodiment, and other structures capable of continuously applying a downward force to the workpiece 5 exist in the prior art, and all of these structures fall within the scope of the present invention.

As shown in fig. 3 and 5, the lower die 3 of the burr punching die 1 has an inner positioning surface 31 and an outer positioning surface 32, and when the upper die 2 moves downward, the inner positioning surface 31 is attached to the inner punch 211, and the outer positioning surface 32 is attached to the outer punch 212, so that the lower die 3 can be paired with the upper die 2, thereby improving the consistency of the relative position of the upper die 2 with the lower die 3 when the upper die 2 is pressed down to the lower die 3 a plurality of times.

In the present embodiment, the inner positioning surface 31 is provided on the surface of the inner sidewall of the lower mold 3, and the outer positioning surface 32 is provided on the surface of the outer sidewall of the lower mold 3. Through the layout mode, after the upper die 2 is pressed down to the lower die 3, the inner punch 211 and the outer punch 212 for cutting burrs can be attached to the inner side wall and the outer side wall of the lower die 3, so that the positioning between the upper die 2 and the lower die 3 is realized, and the appearance volume and the structural complexity of the lower die 3 are effectively reduced.

Further, the bottom surface 53 of the work material 5 is provided on the lower die 3, and the top of the lower die 3 has a convex portion 33 or a concave portion matching the surface shape of the bottom surface 53 of the work material 5, so that the lower die 3 can be positioned with respect to the work material 5 by the convex portion 33 or the concave portion. In this embodiment, the top of the lower die 3 has three projections 33, and the three projections 33 engage three corresponding grooves in the bottom surface 53 of the work piece 5 to hold the work piece 5 in place on the lower die 3.

Further, burrs to be removed may exist in other positions of the workpiece 5 than the inner ring 51 and the outer ring 52. For example, as shown in fig. 2, in the present embodiment, the surface of the work material 5 has a characteristic hole 54, and burrs are also present on the inner wall surface of the characteristic hole 54. Therefore, as shown in fig. 3, an additional punch 213 having a shape corresponding to the characteristic hole 54 is provided at a corresponding position of the upper die 2 that passes through, and this additional punch 213 is moved in synchronization with the inner punch 211 and the outer punch 212, so that the upper die 2 removes burrs in the inner ring 51, the outer ring 52, and the characteristic hole 54 of the work piece 5 at a time in a single depression.

Meanwhile, as shown in fig. 5, a relief hole 34 may be further formed in the lower die 3 at a position corresponding to the additional punch 213 of the upper die 2, so that the lower die 3 can be relieved from the additional punch 213 when the upper die 2 is pressed down to the lower die 3.

In order to ensure the burr removing quality of the burr stamping die 1 for the machined workpiece 5, a high fit clearance is required between the upper die 2 and the lower die 3, the upper die 2 and the lower die 3 are manufactured by adopting a low-speed wire-moving cutting machining mode, the clearance between the machined upper die 2 and the machined lower die 3 is controlled within 0.08mm, and the appearance and the surface smoothness of the clearance can meet the use requirements.

As shown in fig. 1 and 6, the present invention also provides a burr removing device 6, which includes the burr pressing die 1 and a punch 7. The press machine 7 includes an upper platen 71 and a lower platen 72 that can be opened and closed relative to each other, and a press device 73. The lower die 3 of the burr pressing die 1 is fixed to the surface of the lower platen 72, and the opposite upper die 2 is fixed to the surface of the platen, and the pressing device 73 drives the upper platen 71 and drives the upper die 2 to reciprocate in the vertical direction. The upper die 2 and the lower die 3 of the burr pressing die 1 are fixed to the upper platen 71 and the lower platen 72 of the pressing machine 7, respectively, and the pressing device 73 of the pressing machine 7 drives the upper die 2 to press down, thereby removing burrs of the workpiece 5 fixed to the lower die 3. Compared with the upper die 2 and the lower die 3 which are used for pressing the burr punching die 1 by other equipment, the burr removing device 6 is realized by using the punching machine 7, the burr removing efficiency can be effectively improved, and the quality of removing burrs of the workpiece 5 by the burr punching die 1 can also be improved because the output pressure of the punching machine 7 and the movement repetition precision between the upper platen 71 and the lower platen 72 are high.

In the present embodiment, two burr pressing molds 1 are fixed side by side on the pressing machine 7 of the burr removing device 6 to improve the burr removing efficiency of the burr removing device 6 by increasing the number of the burr pressing molds 1.

As shown in fig. 7 and 8, the deburring device 6 further includes a guide post 81 and a guide sleeve 82, the guide post 81 is disposed on the lower table top, the guide sleeve 82 is disposed on the upper table top opposite to the guide post 81, and the guide post 81 penetrates the guide sleeve 82 when the upper mold 2 moves downward, so as to improve the positioning repeatability of the upper table top and the lower table top during the pressing process.

In addition, the burr removing device 6 also comprises a plurality of limiting columns 9, and the limiting columns 9 are arranged on the lower table top. When going up mould 2 and moving down, the top 91 of these spacing posts 9 is through leaning on the surface at last mesa to be used for restricting the removal stroke of going up mould 2 downstream, avoid stamping device 73 to drive and go up mould 2 pressfitting lower mould 3 excessive, lead to going up mould 2 and lower mould 3 and appear damaging.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A burr punching die, characterized by comprising an upper die and a lower die, the lower die being for positioning a work piece, the upper die being disposed above the lower die and being capable of reciprocating in a vertical direction with respect to the lower die, the upper die having a punch, the punch comprising:

2. The burr pressing die of claim 1, wherein said upper die has an accommodating space between said inner punch and said outer punch for accommodating said workpiece when said upper die is moved downward.

3. The burr stamping die of claim 2, further comprising:

the discharging head is arranged in the containing space, and when the processed workpiece is located in the containing space, the discharging head is used for applying an acting force downwards along the moving direction of the upper die to the processed workpiece.

4. The burr stamping die of claim 1, wherein the lower die has an inner locating surface that engages the inner punch and an outer locating surface that engages the outer punch as the upper die moves downward.

5. The burr stamping die of claim 4, wherein the inner locating surface is located on an inner sidewall of the lower die.

6. The burr stamping die of claim 4, wherein the outer locating surface is located on an outer sidewall of the lower die.

7. The burr punching die according to any one of claims 1 to 6, wherein a bottom surface of the work piece is provided to the lower die, a top portion of the lower die has a convex portion or a concave portion that matches a surface shape of the bottom surface of the work piece, and the lower die positions the work piece by the convex portion or the concave portion.

8. A burr removal device, characterized in that it comprises:

the burr stamping die of any of claims 1-7;

9. The deburring device of claim 8, further comprising a guide post and a guide sleeve, wherein the guide post is disposed on the lower table surface, the guide sleeve is disposed on the upper table surface, and the guide post is inserted into the guide sleeve when the upper mold is moved downward.

10. The deburring device of claim 8, further comprising a stopper post provided on the lower table surface, wherein when the upper die moves downward, a tip of the stopper post abuts against a surface of the upper table surface to limit a moving stroke of the upper die.