CN106270176A - Burring hole forming die - Google Patents
Burring hole forming die Download PDFInfo
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- CN106270176A CN106270176A CN201510281326.0A CN201510281326A CN106270176A CN 106270176 A CN106270176 A CN 106270176A CN 201510281326 A CN201510281326 A CN 201510281326A CN 106270176 A CN106270176 A CN 106270176A
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- supporting part
- forming
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Abstract
The invention provides a kind of burring hole forming die, the processing and forming of hole flanging structure on product, including the die shoe with molding concave die, and there is the upper bolster of forming convax mould, Burring Punch it is additionally provided with in molding concave die, on forming convax mould, hole flanging die it is provided with corresponding to Burring Punch, in molding concave die, all sides in Burring Punch are movably equipped with the supporting part that the product being opposite in molding concave die is supported, and also include the driving means being driven supporting being located between supporting part and die shoe to supporting part；When upper bolster and die shoe matched moulds, supporting part abuts cooperation via product with forming convax mould, and servo-actuated in forming convax mould；When upper bolster is with die shoe die sinking, supporting part has moving along Burring Punch centerline direction under the ordering about of driving means.The burring hole forming die of the present invention, work in-process can make the centrage in product hole to be processed keep overlapping with the centrage of mould Burring Punch, it is ensured that the processing quality of product hole flanging structure.
Description
Technical field
The present invention relates to technical field of mold, particularly to a kind of burring hole forming die.
Background technology
The semi-independent suspension of trailing arm torsion girder-like is the suspension frame structure aiming at trailing wheel design, its composition is relatively simple, it is usually and realizes wheel and vehicle body or the rigid connection of vehicle frame with sturdy vertically shaking trailing arm, then serve as soft connection, hydraulic damper and spiral spring with hydraulic damper and spiral spring play shock-absorbing and support the effect of vehicle body.In practical structures, spiral spring is to be supported by spiral spring bearing, and spiral spring bearing includes lead arm spiral spring bearing, torsion beam spiral spring bearing, amortisseur spiral spring bearing etc..
At present, the processing technique of spiral spring bearing generally comprises punching, molding hole flanging, and rushes aperture.Wherein spiral spring bearing centre bore is important feature, and in follow-up welding sequence, this hole is using the hole, important location as weldment.In technological requirement, spiral spring bearing centre bore is that first punching is again by hole flanging mold hole-crimped forming.In existing technique, for as on the product of spiral spring bearing the mould of hole flanging structure molding the profile of product can only be relied on to position adding man-hour, forming process cannot monitor the flow direction of product material, thus be easily caused the centrage in hole to be processed and the centrage of Burring Punch on mould on product and produce deviation, and then the inconsistent of hole flanging height can be caused, affect the processing quality of product.
Summary of the invention
In view of this, it is contemplated that propose a kind of burring hole forming die, make the centrage in product hole to be processed keep overlapping with the centrage of mould Burring Punch with work in-process, it is ensured that the processing quality of product hole flanging structure.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of burring hole forming die, the processing and forming of hole flanging structure on product, including the die shoe with molding concave die, and there is the upper bolster of the forming convax mould being correspondingly arranged with described molding concave die, it is additionally provided with Burring Punch in described molding concave die, on described forming convax mould, hole flanging die it is provided with corresponding to described Burring Punch, in described molding concave die, all sides in described Burring Punch are movably equipped with the supporting part that the product being opposite in molding concave die is supported, also include the driving means being driven supporting being located between described supporting part and die shoe to described supporting part；When upper bolster and die shoe matched moulds, described supporting part abuts cooperation via product with forming convax mould, and servo-actuated in described forming convax mould；When upper bolster is with die shoe die sinking, described supporting part has moving along described Burring Punch centerline direction under the ordering about of driving means.
Further, described supporting part is provided with it is opposite to the detent mechanism that product thereon carries out positioning.
Further, described detent mechanism is at least one alignment pin being located on described supporting part.
Further, described supporting part is the retainer core being located in molding concave die, and described alignment pin is be arranged in the form of a ring on described retainer core multiple.
Further, described driving means be located on described die shoe described retainer core can be carried out the one in the motor of pushing tow, cylinder or hydraulic cylinder.
Further, described driving means is be located on die shoe multiple, is connected with the connecting plate connected with described retainer core between the drive end of each driving means.
Further, on described die shoe, edge in molding concave die is provided with the product being opposite in molding concave die and carries out spacing limiting section.
Further, described forming convax mould is provided with at least one elastic pushing device that the product being coated on forming convax mould can be carried out pushing tow under natural resiliency.
Further, described elastic pushing device includes the installing hole being located on described forming convax mould, is built in the elastic component in described installing hole, and activity is inserted in described installing hole and is connected to the push rod of described elastic component one end.
Further, described die shoe is provided with lead, on upper bolster, is provided with fairlead corresponding to described lead, described die shoe is additionally provided with described upper bolster is carried out spacing limited post relative to the motion of die shoe.
Relative to prior art, present invention have the advantage that
(1) burring hole forming die of the present invention, by arranging the supporting part supported via driving means in molding concave die, and when upper bolster and die shoe matched moulds are to carry out hole-crimped forming, supporting part is made to abut cooperation with forming convax mould via product, and supporting part is servo-actuated in forming convax mould, thus the clamping to product can be realized by supporting part and forming convax mould, the most just can prevent product in hole-crimped forming from offseting, so that the centrage in product hole to be processed keeps overlapping with the centrage of mould Burring Punch, it is ensured that the processing quality of product hole flanging structure.
(2) detent mechanism is set on supporting part and can be further ensured that product does not offsets, thus ensure the processing quality of product hole flanging structure.Detent mechanism uses alignment pin, its simple in construction, it is simple to design implementation.
(3) what alignment pin was designed as arranging in the form of a ring is multiple, product can be carried out more stable location.Driving means is set to multiple, and makes its drive end be connected by connecting plate, it is ensured that supporting part obtains more stable effective support.
(4) arrange limiting section to be easy to product and be better placed on supporting part.And product can be pushed away forming convax mould, it is simple to discharging time product is coated on forming convax mould after hole-crimped forming by elastic pushing device automatically.
(5) elastic pushing device uses the elastic component and push rod, its simple in construction, it is simple to design implementation being placed in installing hole.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structure diagram of the burring hole forming die described in the embodiment of the present invention；
Fig. 2 is the schematic diagram during burring hole forming die matched moulds original state described in the embodiment of the present invention；
Fig. 3 is the schematic diagram during burring hole forming die matched moulds described in the embodiment of the present invention；
Fig. 4 is the schematic diagram during burring hole forming die die sinking described in the embodiment of the present invention；
Description of reference numerals:
1-upper bolster, 2-die shoe, 3-forming convax mould, 4-molding concave die, 5-hole flanging die, 6-Burring Punch, 7-retainer core, 8-alignment pin, 9-driving means, 10-connecting plate, 11-limited block, 12-elastic pushing device, 13-lead, 14-fairlead, 15-limited post, 16-product.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The present embodiment relates to a kind of burring hole forming die, for for such as the processing and forming of hole flanging structure on the products such as spiral spring bearing, as shown in fig. 1, this burring hole forming die includes the die shoe 2 with molding concave die 4, and there is the upper bolster 1 of forming convax mould 3, in molding concave die 4, it is additionally provided with Burring Punch 6, on forming convax mould 3, is provided with hole flanging die 5 corresponding to Burring Punch 6.Also being movably equipped with the supporting part can being supported the product being placed in molding concave die 4 in molding concave die 4, supporting part is all sides being arranged on Burring Punch 6.In the present embodiment, this supporting part is the retainer core 7 being arranged in molding concave die 4 and be set on Burring Punch 6, except of course that retainer core 7, supporting part may be used without other supporting construction, as it can be several bracers being arranged on 6 weeks sides of Burring Punch.This burring hole forming die also includes the driving means 9 being driven supporting being located between retainer core 7 and die shoe 2 to retainer core 7.
The driving of retainer core 7 is supported by driving means 9, namely driving means 9 or stands External Force Acting retainer core 7 can be driven to move under self-acting, and place can be supported retainer core 7 at an arbitrary position.Driving means 9 in the present embodiment can use the one in motor, cylinder or the hydraulic cylinder being arranged on die shoe 2, and for retainer core 7 being provided more stable support, driving means 9 is also multiple for be arranged on die shoe 2, except of course that be set to multiple, it is possible to make driving means 9 only be set to one.When driving means 9 is set to multiple, for the ease of the connection between driving means 9 and retainer core 7, being also connected together via connecting plate 10 by the drive end of each driving means 9 in the present embodiment, now retainer core 7 is connected on connecting plate 10.
The present embodiment is additionally provided with on retainer core 7 and is opposite to the detent mechanism that product thereon carries out positioning, this detent mechanism can be as shown in Figure 1, for the alignment pin 8 being arranged on retainer core 7, alignment pin 8 may be configured as one, but from the point of view of providing more preferable location to product, alignment pin 8 is multiple for be arranged on retainer core 7, such as three, and multiple retainer core 7 is arranged in the form of a ring.When product is placed on retainer core 7, hole class or groove class formation that alignment pin 8 can be prefabricated with on product coordinate, to realize connecting and fixing product.Except using alignment pin 8, detent mechanism is the most alternatively arranged on other structure on retainer core 7, such as threaded bolt etc..
In the present embodiment, on die shoe 2, edge in molding concave die 4 is additionally provided with and the product being positioned in molding concave die 4 can be carried out spacing limiting section, and this limiting section can be the limited block 11 being arranged on molding concave die 4 edge as shown in Figure 1.And except limited block 11, limiting section may be used without arranging the location screw etc. being connected to molding concave die 4 edge.On upper bolster 1 with die shoe 2, it is also respectively provided with the fairlead 14 and lead 13 that both matched moulds and die sinking campaign can be guided, die shoe 2 is also equipped with relative to the motion of die shoe 2, upper bolster 1 is carried out spacing limited post 15.Lead 13, fairlead 14 and limited post 15 can be identical with the guiding in existing mold structure and position limiting structure, do not repeat them here.
In product hole-crimped forming is processed, inevitably there will be the phenomenon that product is coated on forming convax mould 3, can be to being coated on the elastic top pushing device 12 that product thereon pushes away for this present embodiment is additionally provided with on forming convax mould 3.This elastic top pushing device 12 can be that the installing hole including being located on forming convax mould 3, the elastic component being built in installing hole, and activity are inserted in installing hole and are connected to the push rod of this elastic component one end.During matched moulds, because of the retainer core 7 support to product, push rod compression elastic piece shrinking in installing hole under the compressing of product.When die sinking, product departs from the support of retainer core 7, now under the elastic force of elastic component, push rod can be made to be stretched out by installing hole, and product pushes away forming convax mould 3.
Except being made up of installing hole, elastic component and push rod, certainly elastic pushing device also can be made to use other version, as the shell fragment being directly connected on forming convax mould 3 end face can be set to, or the end face design groove at forming convax mould 3, and connection stretches out in the spring outside forming convax mould in a groove.The burring hole forming die of the present embodiment, when upper bolster 1 is with the 2-in-1 mould of die shoe, retainer core 7 can abut against with forming convax mould 3 via product under the support of driving means 9, and can move downward with forming convax mould 3, thus can realize the clamping to product via forming convax mould 3 in retainer core 7, prevent product from offseting in the course of processing.And when upper bolster 1 is with die shoe 2 die sinking, retainer core 7 moves upward under the ordering about of driving means 9 and can return back in situ.
This burring hole forming die course of processing when product hole flanging structure molding is as shown in Fig. 2 to Fig. 4.Fig. 2 is schematic diagram during mould matched moulds original state, it is as the criterion with the direction shown in Fig. 2, on retainer core 7 during now product 16 is placed in molding concave die 4, and product 16 can carry out spacing by alignment pin 8 and limited block 11, coaxial with Burring Punch 6 and hole flanging die 5 to ensure the hole to be processed on product 16.Forming convax mould 3 moves with upper bolster 1, and after forming convax mould 3 contacts with product 16, due to the driving means 9 support to retainer core 7, product 16 just can be formed punch 3 and retainer core 7 clamps.During follow-up matched moulds, forming convax mould 3 continues to move to die shoe 2 direction with upper bolster 1, retainer core 7 namely move downward along Burring Punch 6, until product 16 contacts with Burring Punch 6, and Burring Punch 6 with complete hole flanging operation under the cooperation of hole flanging die 5, when hole flanging operation completes, the state of each component of mould is as shown in Figure 3.
When upper bolster 1 and die shoe 2 die sinking as shown in Figure 4, on the basis of the direction shown in Fig. 4, forming convax mould 3 moves upward with upper bolster 1 and separates with molding concave die 4, now can order about retainer core 7 by driving means 9 to move upward along Burring Punch 6, after the product 16 being completely processed rises with retainer core 7 and exposes outside molding concave die 4, product 16 can be taken away.Certainly, sometimes after processing, product 16 can be coated on and move with forming convax mould 3 on forming convax mould 3, abuts, under the effect of elastic top pushing device 12 with retainer core 7 disengaging when forming convax mould 3 in the case of being somebody's turn to do, product 16 also can be come off by forming convax mould 3, until product 16 come off lower after taken away.
This burring hole forming die is by arranging the retainer core 7 supported via driving means 9 in molding concave die 4, and when the 2-in-1 mould of upper bolster 1 and die shoe is to carry out hole-crimped forming, retainer core 7 is made to abut cooperation via product 16 with forming convax mould 3, and retainer core 7 is servo-actuated in forming convax mould 3, thus the clamping to product 16 can be realized by retainer core 7 and forming convax mould 3, prevent product 16 in hole-crimped forming from offseting, the most again can be by the positioning action of alignment pin 8, it is further ensured that the stability of product 16 position, thus the centrage in product 16 hole to be processed can be made to keep overlapping with the centrage of Burring Punch 6, ensure the processing quality of product 16 hole flanging structure.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a burring hole forming die, processing and forming for the upper hole flanging structure of product (16), including the die shoe (2) with molding concave die (4), and there is the upper bolster (1) of the forming convax mould (3) being correspondingly arranged with described molding concave die (4), Burring Punch (6) it is additionally provided with in described molding concave die (4), on described forming convax mould (3), hole flanging die (5) it is provided with corresponding to described Burring Punch (6), it is characterized in that: in described molding concave die (4), all sides in described Burring Punch (6) are movably equipped with the supporting part that the product (16) being opposite in molding concave die (4) is driven supporting, also include the driving means (9) that described supporting part is supported being located between described supporting part and die shoe (2)；When upper bolster (1) and die shoe (2) matched moulds, described supporting part abuts cooperation via product (16) with forming convax mould (3), and servo-actuated in described forming convax mould (3)；When upper bolster (1) is with die shoe (2) die sinking, described supporting part has the motion along described Burring Punch (6) centerline direction under the ordering about of driving means (9).
Burring hole forming die the most according to claim 1, it is characterised in that: it is provided with on described supporting part and is opposite to the detent mechanism that product thereon (16) carries out positioning.
Burring hole forming die the most according to claim 2, it is characterised in that: described detent mechanism is at least one alignment pin (8) being located on described supporting part.
Burring hole forming die the most according to claim 3, it is characterised in that: described supporting part is the retainer core (7) being located in molding concave die, and described alignment pin (8) is multiple for be arranged on described retainer core (7) in the form of a ring.
Burring hole forming die the most according to claim 4, it is characterised in that: described driving means (9) can carry out the one in the motor of pushing tow, cylinder or hydraulic cylinder to described retainer core (7) for be located on described die shoe (2).
Burring hole forming die the most according to claim 5, it is characterised in that: described driving means (9) is multiple for be located on die shoe (2), is connected with the connecting plate (10) connected with described retainer core (7) between the drive end of each driving means (9).
Burring hole forming die the most according to claim 1, it is characterised in that: on described die shoe (2), edge in molding concave die (4) is provided with the product (16) being opposite in molding concave die (4) and carries out spacing limiting section.
Burring hole forming die the most according to claim 1, it is characterised in that: be provided with on described forming convax mould (3) at least one at natural resiliency under the product being coated on forming convax mould can be carried out the elastic pushing device (12) of pushing tow.
Burring hole forming die the most according to claim 8, it is characterized in that: described elastic pushing device (12) includes the installing hole being located on described forming convax mould (3), it is built in the elastic component in described installing hole, and activity is inserted in described installing hole and is connected to the push rod of described elastic component one end.
Burring hole forming die the most according to claim 1, it is characterized in that: on described die shoe (2), be provided with lead (13), on upper bolster (1), it is provided with fairlead (14) corresponding to described lead (13), described die shoe (2) is additionally provided with described upper bolster (1) is carried out spacing limited post (15) relative to the motion of die shoe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281326.0A CN106270176A (en) | 2015-05-28 | 2015-05-28 | Burring hole forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281326.0A CN106270176A (en) | 2015-05-28 | 2015-05-28 | Burring hole forming die |
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| Publication Number | Publication Date |
|---|---|
| CN106270176A true CN106270176A (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510281326.0A Pending CN106270176A (en) | 2015-05-28 | 2015-05-28 | Burring hole forming die |
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| CN (1) | CN106270176A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774859A (en) * | 2017-11-06 | 2018-03-09 | 贵州航天新力铸锻有限责任公司 | The left and right cylinder integrated mould of nuclear heat exchanger |
| CN107774851A (en) * | 2017-11-06 | 2018-03-09 | 贵州航天新力铸锻有限责任公司 | The left and right cylinder integrated forming manufacture method of nuclear heat exchanger |
| CN113510189A (en) * | 2021-04-28 | 2021-10-19 | 柳州沪信汽车科技有限公司 | Novel upper hole flanging die structure for U-shaped stamping part |
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| CN202199682U (en) * | 2011-08-31 | 2012-04-25 | 重庆市华青汽车配件有限公司 | Lower reinforced plate mould for pedal assembly for miniature coach |
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| CN203565676U (en) * | 2013-11-28 | 2014-04-30 | 南京南汽冲压件有限公司 | Multi-station composite die for automobile muffler |
| CN203695767U (en) * | 2014-01-03 | 2014-07-09 | 漳州精创模具制造有限公司 | One-die multipurpose punching and flanging tool for machining sheet materials of shielding cases with multiple specifications |
| CN203917609U (en) * | 2014-05-09 | 2014-11-05 | 江苏卡明模具有限公司 | Passenger car bottom girder drawing flanging composite die |
| CN104492945A (en) * | 2014-11-27 | 2015-04-08 | 上海奥林汽车配件有限公司 | Flanging and hole-flanging die for automobile partitions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3042158A1 (en) * | 1980-11-08 | 1982-05-27 | C. Behrens Ag, 3220 Alfeld | DEVICE FOR MANUFACTURING DRAWINGS ON WORKPIECES ON A CUTTING PRESS |
| JP2008036656A (en) * | 2006-08-03 | 2008-02-21 | Hirotec Corp | Apparatus and method of forming flange |
| CN201552246U (en) * | 2009-11-27 | 2010-08-18 | 烟台石川密封垫板有限公司 | Edge turning and wave compression die for engine metal lamination cylinder seal gasket |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774859A (en) * | 2017-11-06 | 2018-03-09 | 贵州航天新力铸锻有限责任公司 | The left and right cylinder integrated mould of nuclear heat exchanger |
| CN107774851A (en) * | 2017-11-06 | 2018-03-09 | 贵州航天新力铸锻有限责任公司 | The left and right cylinder integrated forming manufacture method of nuclear heat exchanger |
| CN113510189A (en) * | 2021-04-28 | 2021-10-19 | 柳州沪信汽车科技有限公司 | Novel upper hole flanging die structure for U-shaped stamping part |
| CN113510189B (en) * | 2021-04-28 | 2024-04-19 | 柳州沪信汽车科技有限公司 | Novel hole flanging die structure on U-shaped stamping part |
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Application publication date: 20170104 |