CN218693122U - Continuous die structure for flanging of inner hole of part - Google Patents
Continuous die structure for flanging of inner hole of part Download PDFInfo
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- CN218693122U CN218693122U CN202222798081.7U CN202222798081U CN218693122U CN 218693122 U CN218693122 U CN 218693122U CN 202222798081 U CN202222798081 U CN 202222798081U CN 218693122 U CN218693122 U CN 218693122U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to a round hole turn-ups processing technology field of punching press part specifically is a turn-ups's of part hole continuous die structure, including the upper die base, the outside fixedly connected with upper padding plate of upper die base, the outside of upper padding plate is provided with the punch holder, the inside fixed mounting of punch holder has the preforming terrace die, the inside fixed mounting of punch holder has the post forming terrace die. The utility model has the advantages that: by arranging the pre-forming male die, the secondary forming male die, the pre-hole punching male die and the inner edge hole flanging male die, a step-by-step forming method is adopted, and a continuous die consisting of a plurality of male dies is used for processing the part material plate, so that the processing steps are saved, the formed part flanging edge is not easy to crack and explode, the surface quality is good, and the cost is reduced; through setting up the burr terrace die and the burr drift of falling, be convenient for handle the burr that the hole edge in advance was extruded, guarantee the smoothness of part hole in advance to reach the purpose that satisfies the strict operation requirement of product assembly.
Description
Technical Field
The utility model relates to a round hole turn-ups processing technology field of punching press part, especially a turn-ups continuous die structure of part hole.
Background
The technology mainly refers to a continuous die structure of the inner hole flanging with a convex hull, in part processing, hole flanging is a common process, requirements are different according to different hole flanging effects, teeth need to be tapped in holes after some hole flanging are called as sprouting, the hole flanging has the requirements of inner diameter size and height size, the inner diameter size determines how large teeth are tapped, the height size determines a plurality of effective teeth, some hole flanging are matched with other parts, and the requirements of height, coaxiality, matching size, hole flanging straight arm size, hole flanging wall thickness and the like exist.
The continuous die structure related to the flanging of the inner hole of the part in the prior art also has the following defects:
the existing die structure is mainly used for punching a pre-hole and directly stretching and flanging the inner hole flanging of a part, and two steps of processes are finished. The machined part section is poor in quality, easy to break, tear and uneven in section end height, hard extrusion burrs are formed on the edge, the strict use requirement of product assembly cannot be met, the shape correcting process is often required to be added, and the cost is increased.
Therefore, a continuous die structure for flanging the inner hole of the part is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a turn-ups continuous die structure of part hole.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a turn-ups progressive die structure in part hole, includes the upper die base, the outside fixedly connected with upper padding plate of upper die base, the outside of upper padding plate is provided with the punch holder, the inside fixed mounting of punch holder has preforming terrace die, the inside fixed mounting of punch holder has the post forming terrace die, the inside fixed mounting of punch holder has the hole terrace die of punching in advance, the inside fixed mounting of punch holder has hole turn-ups terrace die, the first tensile drift of one end fixedly connected with of preforming terrace die, the tensile drift of one end fixedly connected with second of post forming terrace die, the outside of upper die base is provided with the lower bolster, the inside fixed mounting of lower bolster has the barb terrace die, the one end fixedly connected with barb drift of barb terrace die, the inside of lower bolster is provided with the bullet knock pin, the one end of bullet knock pin is provided with the spring, the one end of spring is provided with the plug screw.
Preferably, a stop plate is arranged outside the upper base plate, a stripper plate is arranged outside the stop plate, a lower base plate is arranged outside the lower base plate, and a lower die base is arranged outside the lower base plate.
By adopting the technical scheme, the continuous die structure is convenient to use, inner hole flanging processing is conveniently carried out on the part, better processing of the part by workers is facilitated, and the practicability of the die structure is improved.
Preferably, the height of the first drawing punch is one point five millimeters and the surface is smooth.
By adopting the technical scheme, the material can be pre-stretched for a part of height, so that the material is extremely easy to stretch and form, the stretching force of the second process step is reduced, and the secondary forming is facilitated.
Preferably, the height of the second drawing punch is higher than that of the first drawing punch, the structure surface is smooth, and the end part round angle R is small.
Through adopting above-mentioned technical scheme, be convenient for carry out punching the hole in advance to the part, reduce the injury to the part, guarantee the quality that parts machining came out.
Preferably, the pre-forming male die, the secondary forming male die, the pre-hole punching male die and the inner hole flanging male die are fixedly arranged inside the upper clamping plate.
Preferably, one end of the deburring convex die and the deburring punch are integrally formed, and the round angle of the outer surface of the deburring punch is in smooth transition.
By adopting the technical scheme, the material damage and the smooth edge of the round hole of the part before the final flanging are ensured, and the end face quality of the final flanging can be greatly ensured.
Preferably, the surface of the inner hole flanging male die is round and smooth.
By adopting the technical scheme, the inner wall of the flanging is ensured to be smooth and have no indentation.
The utility model has the advantages of it is following:
1. according to the continuous die structure for flanging the inner hole of the part, the pre-forming male die, the pre-hole punching male die and the inner edge flanging male die are arranged, when the continuous die structure is used, the pre-forming male die moves downwards, the first stretching punch is contacted with the part to pre-flanging and stretch the part, the secondary forming male die performs secondary stretching forming on the part through the second stretching punch and punches the pre-hole punching male die to pre-hole the part, the burr reversing male die performs burr reversing on the burr surface of the part pre-hole, so that the surface of the pre-hole is smooth, the flanging forming is performed on a material plate through the inner hole flanging male die, the device is convenient for carrying out inner hole flanging on the part, a step-by-step forming method is adopted, the continuous die consisting of a plurality of male dies is used for processing the material plate of the part, the flanging edge of the part is not prone to crack and crack after the part is not prone to be exploded, the surface quality is good, the yield and the product quality of the part processing are effectively improved, and the processing cost of the part is reduced, thereby improving the practicability of the inner hole of the flanging continuous die structure of the part;
2. this turn-ups progressive die structure of part hole, through setting up the barb terrace die and the barb drift, when using, barb terrace die fixed mounting is on the lower bolster, the barb face fillet of pre-hole burr that the barb terrace die was made through the opposite punching of the barb drift of one end, make the part material not damaged and round hole edge smooth before last turn-ups, the device is convenient for handle the burr of extruding the edge of pre-hole, guarantee the smoothness of part pre-hole, improve the processingquality of part, thereby reach the purpose that satisfies the strict operation requirement of product assembly, this turn-ups progressive die structure functionality of part hole has been improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic structural view of the pre-forming male die, the secondary forming male die, the pre-hole punching male die and the inner edge hole flanging male die of the present invention;
fig. 4 is the structure schematic diagram of the burr-pouring convex die of the utility model.
In the figure: 1-an upper die holder, 2-an upper backing plate, 3-an upper clamping plate, 4-a pre-forming convex die, 5-a secondary forming convex die, 6-a pre-hole punching convex die, 7-an inner hole flanging convex die, 8-a first stretching punch, 9-a second stretching punch, 10-a lower die plate, 11-a reversed burr convex die, 12-a reversed burr punch, 13-an ejection pin, 14-a spring, 15-a screw plug, 16-a stop plate, 17-a stripper plate, 18-a lower backing plate and 19-a lower die holder.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-4, a continuous die structure for flanging an inner hole of a part comprises an upper die holder 1, an upper backing plate 2 is fixedly connected to the outside of the upper die holder 1, an upper clamping plate 3 is arranged on the outside of the upper backing plate 2, a preforming male die 4 is fixedly mounted inside the upper clamping plate 3, a secondary forming male die 5 is fixedly mounted inside the upper clamping plate 3, a pre-hole punching male die 6 is fixedly mounted inside the upper clamping plate 3, an inner hole flanging male die 7 is fixedly mounted inside the upper clamping plate 3, a first stretching punch 8 is fixedly connected to one end of the preforming male die 4, a second stretching punch 9 is fixedly connected to one end of the secondary forming male die 5, a lower die plate 10 is arranged on the outside of the upper die holder 1, a burr-removing male die 11 is fixedly mounted inside the lower die plate 10, a burr removing punch 12 is fixedly connected to one end of the burr removing male die 11, and an elastic ejector pin 13 is arranged inside the lower die plate 10, one end of the ejection pin 13 is provided with a spring 14, one end of the spring 14 is provided with a screw plug 15, the height of a first stretching punch 8 is one point five millimeters, the surface is smooth, the height of a second stretching punch 9 is higher than that of the first stretching punch 8, the structure surface is smooth, the end part round angle R is smaller, the surface of an inner hole flanging punch 7 is smooth, an upper die base 1 is fixed on a punching machine, the inner wall of a flanging is smooth and has no indentation, special coating can be processed in the continuous die structure, a step-by-step forming method is adopted, the first step is preformed, the second step is formed secondarily, the third step is used for punching a flanging pre-hole, the fourth step is used for chamfering the inner hole burr surface, the fifth step is used for flanging, the part convex hull is formed in place through the step processing before flanging such as preforming and forming, the force of the final flanging is greatly reduced, the pre-hole is punched through calculation, the last step is only to straighten the rest materials, so that the flanged edge of the formed part is not easy to crack and explode, and the surface quality is good.
As an optimal technical scheme of the utility model, the outside of upper padding plate 2 is provided with backstop 16, and backstop 16's outside is provided with takes off flitch 17, and the outside of lower bolster 10 is provided with lower bolster 18, and lower bolster 18's outside is provided with die holder 19, and the part among this technical scheme is prior art, and its shape structure connection structure and principle do not make the change in this technical scheme and do not make detailed description to this.
As a preferred technical scheme of the utility model, preforming terrace die 4, post forming terrace die 5, punching are in advance hole terrace die 6 and hole turn-ups terrace die 7 through limiting screw fixed mounting in the inside of punch holder 3.
As an optimal technical scheme of the utility model, the one end of falling burr terrace die 11 is integrated into one piece with falling burr drift 12, the fillet smooth transition of the surface of falling burr drift 12.
The working process of the utility model is as follows:
s1, an upper die base 1 is fixed on a punch, the upper die base 1 is driven to downwards extrude an upper die spring when the punch moves downwards, and a stop plate 16 and an upper clamping plate 3 are tightly attached when the die is closed;
s2, moving the pre-forming male die 4 downwards, enabling a first stretching punch 8 to be in contact with the part, pre-hole-flanging and stretching the part, carrying out secondary stretching forming on the part through a second stretching punch 9 by using a secondary forming male die 5, and punching a pre-hole on the part by using a pre-hole-punching male die 6;
s3, fixedly mounting a deburring convex die 11 on the lower die plate 10, chamfering a punched pre-hole deburring surface of the deburring convex die 11 through a deburring punch head 12 at one end, and flanging the material plate through an inner hole flanging convex die 7;
s4, each male die extrudes the ejection pin 13 in the lower die plate 10, the spring 14 is compressed, materials can better enter the lower die plate 10 to be molded, then the punch is lifted, the male dies are driven to move upwards, the spring 14 is released to eject, and the ejection pin 13 is pushed upwards to eject the parts out of the lower die plate 10.
In conclusion, according to the continuous die structure for flanging the inner hole of the part, the pre-forming male die 4, the secondary forming male die 5, the pre-hole punching male die 6 and the inner edge flanging male die 7 are arranged, when the continuous die structure is used, the pre-forming male die 4 moves downwards, the first stretching punch 8 is in contact with the part to pre-flanging and stretch the part, the secondary forming male die 5 performs secondary stretching forming on the part through the second stretching punch 9 and performs punching pre-hole punching on the part through the pre-hole punching male die 6, the deburring male die 11 performs deburring on the pre-hole burr surface of the part to smooth the pre-hole surface, and the flanging forming plate is performed through the inner hole flanging male die 7, so that the device is convenient for flanging the inner hole of the part, a step-by-step forming method is adopted, the continuous die consisting of a plurality of continuous dies is used for processing the part material plate to save processing steps, the flanging edge of the part is not prone to crack and break after the forming, the surface quality is good, the product quality of the part processing is improved, the cost is reduced, and the practicability of the continuous die structure for flanging the inner hole of the part is improved; through setting up barb terrace die 11 and barb drift 12, when using, barb terrace die 11 fixed mounting is on lower bolster 10, barb terrace die 11 is through the barb drift 12 fillet of punching the trompil burr face of punching out of one end, make the part material not damaged and round hole edge smooth before last turn-ups, the device is convenient for handle the burr of extruding at the trompil edge in advance, guarantee the smoothness of part trompil in advance, improve the processingquality of part, thereby reach the purpose that satisfies the strict operation requirement of product assembly, the turn-ups's of this part hole progressive die structure functionality has been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a turn-ups's continuous mould structure of part hole which characterized in that: including upper die base (1), outside fixedly connected with upper padding plate (2) of upper die base (1), the outside of upper padding plate (2) is provided with punch holder (3), the inside fixed mounting of punch holder (3) has preforming terrace die (4), the inside fixed mounting of punch holder (3) has post forming terrace die (5), the inside fixed mounting of punch holder (3) has towards hole terrace die (6) in advance, and the inside fixed mounting of punch holder (3) has hole turn-ups terrace die (7), the first tensile drift (8) of one end fixedly connected with of preforming terrace die (4), the tensile drift (9) of one end fixedly connected with second of post forming terrace die (5), the outside of upper die base (1) is provided with lower bolster (10), the inside fixed mounting of lower bolster (10) has down burr drift (11), the one end fixedly connected with of down burr terrace die (11) drift (12), the inside of lower bolster (10) is provided with bullet knock pin (13), the one end of bullet knock pin (13) is provided with spring (14), the one end of spring (14) is provided with plug screw (15).
2. The continuous die structure for flanging the inner hole of the part according to claim 1, wherein: the outer portion of the upper padding plate (2) is provided with a stop plate (16), the outer portion of the stop plate (16) is provided with a stripper plate (17), the outer portion of the lower padding plate (10) is provided with a lower padding plate (18), and the outer portion of the lower padding plate (18) is provided with a lower die holder (19).
3. The continuous die structure for flanging the inner hole of the part according to claim 1, wherein: the height of the first drawing punch (8) is one point five millimeters, and the surface is smooth.
4. The continuous die structure for flanging the inner hole of the part according to claim 1, wherein: the height of the second drawing punch (9) is higher than that of the first drawing punch (8), the structure surface is smooth, and the end part round angle R is small.
5. The continuous die structure for flanging the inner hole of the part according to claim 1, wherein: the pre-forming male die (4), the secondary forming male die (5), the pre-hole punching male die (6) and the inner hole flanging male die (7) are fixedly arranged inside the upper clamping plate (3).
6. The continuous die structure for flanging the inner hole of the part according to claim 1, wherein: one end of the deburring punch (11) and the deburring punch (12) are integrally formed, and the round angle of the outer surface of the deburring punch (12) is in smooth transition.
7. The continuous die structure for flanging the inner hole of the part according to claim 1, characterized in that: the surface of the inner hole flanging male die (7) is round and smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222798081.7U CN218693122U (en) | 2022-10-24 | 2022-10-24 | Continuous die structure for flanging of inner hole of part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222798081.7U CN218693122U (en) | 2022-10-24 | 2022-10-24 | Continuous die structure for flanging of inner hole of part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218693122U true CN218693122U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222798081.7U Active CN218693122U (en) | 2022-10-24 | 2022-10-24 | Continuous die structure for flanging of inner hole of part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218693122U (en) |
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2022
- 2022-10-24 CN CN202222798081.7U patent/CN218693122U/en active Active
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