CN102728740A - Pawl jacking device and mould thereof - Google Patents
Pawl jacking device and mould thereof Download PDFInfo
- Publication number
- CN102728740A CN102728740A CN201210187134XA CN201210187134A CN102728740A CN 102728740 A CN102728740 A CN 102728740A CN 201210187134X A CN201210187134X A CN 201210187134XA CN 201210187134 A CN201210187134 A CN 201210187134A CN 102728740 A CN102728740 A CN 102728740A
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- ratchet
- guide pin
- ejector
- pin bushing
- mounting blocks
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- 239000000463 material Substances 0.000 claims description 77
- 238000009434 installation Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 239000003607 modifier Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Punching Or Piercing (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a pawl jacking device and a mould thereof. The pawl jacking device comprises an upper jacking mechanism and a lower stretching mechanism, wherein the upper jacking mechanism is fixedly connected with the lower stretching mechanism through a fixing plate (9); the upper jacking mechanism comprises a driving plate (3), a material-retreating pawl (4), a jacking pin (6), a first spring (7) and a mounting block (8); the material-retreating pawl (4) is rotatably connected in a U-shaped groove of the mounting block (8) through a rotating pin (5); the jacking pin (6) and the first spring (7) are arranged in a jacking pin hole (81) at the U-shaped bottom of the mounting block (8) in turn; a lateral force is applied to the material-retreating pawl (4) by the jacking pin (6) and the first spring (7) all the time, so that the material-retreating pawl (4) is in contact with a side wall of a convex mould (1); the lower stretching mechanism comprises a fixedly connecting guide sleeve (10) and a fixedly mounting guide sleeve (13); a second spring (12) is arranged at the bottom of an inner cavity of the fixedly mounting guide sleeve (13); and the lower part of the fixedly connecting guide sleeve (10) is inserted into the fixedly mounting guide sleeve (13).
Description
Technical field
The invention belongs to the cold punching die technical field of structures, be specifically related to a kind of ratchet ejector and mould thereof.
Background technology
Automobile exterior panel spare flanging die adopts the elasticity material scraper of standard usually at present, and its effect is to realize the effect that product separates with die ontology along product flange short transverse liftout.This elasticity material scraper is ejection block and die ontology applying realization liftout function when mould assembles; After product got into the batch process state, the ejection block of this elasticity material scraper and punch produced friction, long-term accumulation causes ejection block and punch product to produce the gap, during liftout; Ejection block and product flange partly produce extruding; Scratch, even material returned inefficacy can't realize material returned function.Have a strong impact on the flange quality of product, and then influence the bound edge quality of postorder.
Summary of the invention
The present invention has designed a kind of ratchet ejector and mould thereof, and it has solved in the prior art and has been easy to generate the gap between the ejection block and flanging die, thereby causes that the flange product is extruded, problem that scratch etc. has a strong impact on the flange quality of product.
In order to solve the technical problem of above-mentioned existence, the present invention has adopted following scheme:
A kind of ratchet ejector; Comprise top material jacking mechanism and bottom telescoping mechanism; Said top material jacking mechanism and said bottom telescoping mechanism are connected, and it is characterized in that: said top material jacking mechanism keeps in touch and jack-up product in the process that moves up with punch (1) sidewall all the time; The driving force that said bottom telescoping mechanism moves up for said top material jacking mechanism and said product.
Further; Said top material jacking mechanism comprises material returned ratchet (4), mounting blocks (8) and hold down gag; Said material returned ratchet (4) is rotating to be connected on the mounting blocks (8), and hold down gag applies a side force to said material returned ratchet (4) all the time makes said material returned ratchet (4) contact and jack-up product in the process that moves up with punch (1) sidewall.
Further, said mounting blocks (8) is a U type groove structure, and said material returned ratchet (4) is through in the rotating U type groove that is arranged on mounting blocks (8) of rotating dog (5).
Further; Said hold down gag comprises ejector pin (6) and first spring (7); Said first spring (7) and said ejector pin (6) are pressed into knock hole (81) successively; Said knock hole (81) is positioned at the U type bottom portion of groove of said mounting blocks (8), and said ejector pin (6) outer end and said material returned ratchet (4) keep in touch.
Further; Said hold down gag also comprises screw plug (21) and one or more pad (19); Said screw plug (21) is arranged on said mounting blocks (8) outside and is spirally connected with said knock hole (81); Said pad (19) is arranged between said screw plug (21) and the said mounting blocks (8), the size of screw plug (21) and pad (19) adjustment first spring (7) thrust.
Further; Said top material jacking mechanism also comprises drive block (3); Said drive block (3) is fastenedly connected through connecting bolt (16) with said mounting blocks (8); The upper surface of said drive block (3) is higher than the upper surface of said mounting blocks (8), the driving force that the patrix drive block moves down for the top material jacking mechanism through the said drive block of compressing (3).
Further, said drive block (3) has two, is separately positioned on mounting blocks (8) two sides.
Further; Said bottom telescoping mechanism comprises fixed connection guide pin bushing (10) and fixed installation guide pin bushing (13); The intracavity bottom of said fixed installation guide pin bushing (13) is provided with flexible member, and said top material jacking mechanism is fixedly connected on the said fixed connection guide pin bushing (10); The bottom of said fixed connection guide pin bushing (10) is inserted in the said fixed installation guide pin bushing (13) and is positioned at said flexible member top.
Further, said flexible member is second spring (12).
Further; Said fixed connection guide pin bushing (10) bottom is connected with the first guide pin bushing wall (131) of said fixed installation guide pin bushing (13) through stop screw (11); Have long slide opening (102) on the second guide pin bushing wall (101) of said fixed connection guide pin bushing (10) bottom; Said stop screw (11) inserts in the long slide opening (102), the distance that said stop screw (11) the said fixed connection guide pin bushing of restriction (10) moves up and moves down.
Further, said top material jacking mechanism is connected on the said fixed connection guide pin bushing (10) through fixed head (9).
Further, said fixed installation guide pin bushing (13) is fixed on the counterdie matrix.
Further, said material returned ratchet (4) is selected the hard material of material for use and through modifier treatment.
A kind of automobile exterior panel spare flanging die is characterized in that: be provided with above-mentioned arbitrary described ratchet ejector.
This ratchet ejector and mould thereof have following beneficial effect:
(1) ratchet ejector of the present invention and mould thereof provide the side direction thrust of material returned ratchet; Make material returned ratchet be in fit-state with the sidewall of flanging die all the time; Avoided material jacking mechanism and flanging die to produce the risk in gap, thereby evaded that the flange product is extruded, the appearance of defectives such as scratch even material returned inefficacy.
(2) ratchet ejector of the present invention and mould thereof utilize ejector pin and spring for material returned ratchet provides the side direction thrust, have reduced the assembly difficulty of entire mechanism and to the requirement of assembly precision, mechanism's stable and reliable operation.
(3) utilize screw plug and pad to regulate ejector pin and spring side direction thrust among the present invention to material returned ratchet, simple in structure, use flexibly, dependable performance, with low cost.
(4) material returned ratchet is selected the harder material of material for use and through modifier treatment among the present invention, has increased the hardness of ratchet and overall durability that wearability makes mechanism and has been strengthened, and mechanism's operation is stable more, reliable.
(5) ratchet ejector of the present invention and mold integral is easy to use, dependable performance and cost are low is easy to promote.
Description of drawings
Fig. 1: the structural representation of ratchet ejector of the present invention;
Fig. 2: the front view during ratchet ejector lower dead center of the present invention;
Fig. 3: the vertical view during ratchet ejector lower dead center of the present invention;
Fig. 4: the structural representation during ratchet ejector top dead centre of the present invention;
Fig. 5: A place partial enlarged drawing among Fig. 4;
Fig. 6: the structural representation of material returned ratchet among the present invention;
Fig. 7: the structural representation of mounting blocks among the present invention;
Fig. 8: the rearview of mounting blocks among the present invention.
Description of reference numerals:
1-punch; 2-product; 3-drive plate; 4-material returned ratchet; 5-rotating dog; 6-ejector pin; 7-the first spring; 8-mounting blocks; 81-knock hole; 82-pin-and-hole; 83-the first connecting hole; 84-the second connecting hole; 9-fixed head; 10-fixed connection guide pin bushing; 101-the second guide pin bushing wall; 102-long slide opening; 11-stop screw; 12-the second spring; 13-fixed installation guide pin bushing; 131-the first guide pin bushing wall; 14-the first screw; 15-pin; 16-connecting bolt; 17-construction bolt; 18-the second screw; 19-pad; 20-the three screw; 21-screw plug.
The specific embodiment
Below in conjunction with accompanying drawing 1 to accompanying drawing 8, the present invention is further specified:
Fig. 1 to Fig. 8 shows a kind of ratchet ejector, is arranged on a side of punch 1; The ratchet ejector comprises top material jacking mechanism and bottom telescoping mechanism.
To shown in Figure 5, the top material jacking mechanism comprises drive plate 3, material returned ratchet 4, rotating dog 5, ejector pin 6, first spring 7 and mounting blocks 8 like Fig. 2.The structure of mounting blocks 8 such as Fig. 7 and shown in Figure 8; Mounting blocks 8 is U type structures; Be provided with knock hole 81 in U type bottom, be provided with pin-and-hole 82 in the front end bottom of U type structure and cooperate, also be provided with first connecting hole 83 and second connecting hole 84 on the mounting blocks 8 with rotating dog 5 perpendicular to U type bottom; First connecting hole 83 and construction bolt 17 cooperatings, second connecting hole 84 and connecting bolt 16 cooperatings.Mounting blocks 8 is fastenedly connected through the connecting bolt 16 that passes second connecting hole 84 with drive block 3, and drive block 3 has two, lays respectively at the both sides on the mounting blocks 8X direction of principal axis; Material returned ratchet 4 is through in the rotating U type groove that is arranged on mounting blocks 8 of rotating dog 5, and rotating dog 5 is installed on the mounting blocks 8 through pin-and-hole 82; The ejector pin 6 and first spring 7 are successively set in the knock hole 81 of U type bottom of mounting blocks 8; Be positioned at material returned ratchet 4 right sides; The ejector pin 6 and first spring 7 apply a side force to material returned ratchet 4 all the time; Material returned ratchet 4 is contacted with punch 1 sidewall all the time, and the big I of this side force is regulated with pad 19 through the screw plug 21 that is arranged on first spring, 7 right-hand members, and pad 19 can be one or more.The structure of material returned ratchet 4 is as shown in Figure 6; Material returned ratchet 4 is selected the harder material of material for use and through modifier treatment, is increased the hardness of ratchet and the overall durability that wearability makes mechanism and strengthened, and mechanism's operation is stable more, reliable.
The bottom telescoping mechanism comprises that being fixedly connected guide pin bushing 10, second spring 12 and fixed installation guide pin bushing 13, the second springs 12 is arranged on fixed installation guide pin bushing 13 intracavity bottoms.The top material jacking mechanism is fastenedly connected through two construction bolts 17 and fixed head 9; Fixed head 9 through four the 3rd screws 20 be fixedly connected guide pin bushing 10 on transverse plane be fastenedly connected; Top integral body all is fixed on and is fixedly connected on the guide pin bushing 10; To be fixedly connected the top that guide pin bushing 10 bottoms are inserted fixed installation guide pin bushing 13 and are positioned at second spring 12 then; Be fixedly connected guide pin bushing 10 bottoms and be connected through stop screw 11, have long slide opening 102 on the second guide pin bushing wall 101 of fixed connection guide pin bushing 10 bottoms, with stop screw 11 cooperatings with the first guide pin bushing wall 131 of fixed installation guide pin bushing 13.Last whole ratchet ejector is fixed on the flange counterdie matrix with pin 15 through first screw 14.
During work, the drive block 3 of patrix drive block compressing top material jacking mechanism, top material jacking mechanism drive to be fixedly connected and compress second spring 12 when guide pin bushing 10 moves downward, and stop screw 11 restrictions are fixedly connected the stroke that guide pin bushing 10 moves downward; When treating that mould flange completion mould is up; Under the effect of second spring, 12 restoring forces; Upwards jack-up is fixedly connected guide pin bushing 10 and promotes the top material jacking mechanism and moves upward; The material jacking mechanism material returned ratchet 4 jack-up products 2 that move upward in top are realized separating of products 2 and punch 1, and stop screw 11 restrictions are fixedly connected the stroke that guide pin bushings 10 move upward.
Be in the duty of lower dead center by patrix drive block compressing ratchet ejector for drive block 3 like Fig. 2; Material returned ratchet 4 is fixed on the rotating dog 5 and can rotates around rotating dog 5; 7 pairs of material returned ratchets 4 of the ejector pin 6 and first spring apply a side force contacts material returned ratchet 4 all the time with punch 1 sidewall; Avoid product 2 and liftout ratchet 4 to have the gap, cause unnecessary product blemish.
Be in the duty of top dead centre by patrix drive block compressing ratchet ejector for the ratchet ejector like Fig. 4; Mould is up; Material jacking mechanism jack-up upwards under the elastic force effect of second spring 12 in top reaches the liftout function through stop screw 11 controls jack-up stroke upwards; Material returned ratchet 4 keeps in touch with punch 1 sidewall all the time in the up process of ratchet ejector, and product 2 jack-up are separated with punch 1, and going up most of material returned ratchet 4 put plane on the punch 1 that is lower than flanging die when arriving top dead centre.Even plane on the said punch 1 that is higher than flanging die is put in going up most of material returned ratchet 4; And on plane on ejector pin 6 and first spring, 7 effect lower swing to the punch 1; Yet reduction with good smoothly in the descending process of mechanism does not influence the serviceability of using this material jacking mechanism.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obvious realization of the present invention does not receive the restriction of aforesaid way; As long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all in protection scope of the present invention.
Claims (14)
1. ratchet ejector; Comprise top material jacking mechanism and bottom telescoping mechanism; Said top material jacking mechanism and said bottom telescoping mechanism are connected, and it is characterized in that: said top material jacking mechanism keeps in touch and jack-up product in the process that moves up with punch (1) sidewall all the time; The driving force that said bottom telescoping mechanism moves up for said top material jacking mechanism and said product.
2. ratchet ejector according to claim 1; It is characterized in that: said top material jacking mechanism comprises material returned ratchet (4), mounting blocks (8) and hold down gag; Said material returned ratchet (4) is rotating to be connected on the mounting blocks (8), and hold down gag applies a side force to said material returned ratchet (4) all the time makes said material returned ratchet (4) contact and jack-up product in the process that moves up with punch (1) sidewall.
3. ratchet ejector according to claim 2 is characterized in that: said mounting blocks (8) is a U type groove structure, and said material returned ratchet (4) is through in the rotating U type groove that is arranged on mounting blocks (8) of rotating dog (5).
4. according to claim 2 or 3 described ratchet ejectors; It is characterized in that: said hold down gag comprises ejector pin (6) and first spring (7); Said first spring (7) and said ejector pin (6) are pressed into knock hole (81) successively; Said knock hole (81) is positioned at the U type bottom portion of groove of said mounting blocks (8), and said ejector pin (6) outer end and said material returned ratchet (4) keep in touch.
5. ratchet ejector according to claim 4; It is characterized in that: said hold down gag also comprises screw plug (21) and one or more pad (19); Said screw plug (21) is arranged on said mounting blocks (8) outside and is spirally connected with said knock hole (81); Said pad (19) is arranged between said screw plug (21) and the said mounting blocks (8), the size of screw plug (21) and pad (19) adjustment first spring (7) thrust.
6. according to the arbitrary described ratchet ejector of claim 1 to 5; It is characterized in that: said top material jacking mechanism also comprises drive block (3); Said drive block (3) is fastenedly connected through connecting bolt (16) with said mounting blocks (8); The upper surface of said drive block (3) is higher than the upper surface of said mounting blocks (8), the driving force that the patrix drive block moves down for the top material jacking mechanism through the said drive block of compressing (3).
7. ratchet ejector according to claim 6 is characterized in that: said drive block (3) has two, is separately positioned on mounting blocks (8) two sides.
8. according to the arbitrary described ratchet ejector of claim 1 to 7; It is characterized in that: said bottom telescoping mechanism comprises fixed connection guide pin bushing (10) and fixed installation guide pin bushing (13); The intracavity bottom of said fixed installation guide pin bushing (13) is provided with flexible member, and said top material jacking mechanism is fixedly connected on the said fixed connection guide pin bushing (10); The bottom of said fixed connection guide pin bushing (10) is inserted in the said fixed installation guide pin bushing (13) and is positioned at said flexible member top.
9. ratchet ejector according to claim 8 is characterized in that: said flexible member is second spring (12).
10. ratchet ejector according to claim 9; It is characterized in that: said fixed connection guide pin bushing (10) bottom is connected with the first guide pin bushing wall (131) of said fixed installation guide pin bushing (13) through stop screw (11); Have long slide opening (102) on the second guide pin bushing wall (101) of said fixed connection guide pin bushing (10) bottom; Said stop screw (11) inserts in the long slide opening (102), the distance that said stop screw (11) the said fixed connection guide pin bushing of restriction (10) moves up and moves down.
11. according to Claim 8,9 or 10 described ratchet ejectors, it is characterized in that: said top material jacking mechanism is connected on the said fixed connection guide pin bushing (10) through fixed head (9).
12. ratchet ejector according to claim 11 is characterized in that: said fixed installation guide pin bushing (13) is fixed on the counterdie matrix.
13. according to the arbitrary described ratchet ejector of claim 1 to 12, it is characterized in that: said material returned ratchet (4) is selected the hard material of material for use and through modifier treatment.
14. an automobile exterior panel spare flanging die is characterized in that: be provided with aforesaid right requirement 1 to 13 arbitrary described ratchet ejector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187134.XA CN102728740B (en) | 2012-06-08 | 2012-06-08 | Pawl jacking device and mould thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187134.XA CN102728740B (en) | 2012-06-08 | 2012-06-08 | Pawl jacking device and mould thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102728740A true CN102728740A (en) | 2012-10-17 |
| CN102728740B CN102728740B (en) | 2015-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210187134.XA Active CN102728740B (en) | 2012-06-08 | 2012-06-08 | Pawl jacking device and mould thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102728740B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240354A (en) * | 2013-05-29 | 2013-08-14 | 长城汽车股份有限公司 | Flange ejection device and flange reshaping die |
| CN103586347A (en) * | 2013-11-06 | 2014-02-19 | 苏州工业园区新凯精密五金有限公司 | Detent blanking die structure |
| CN112605264A (en) * | 2020-11-30 | 2021-04-06 | 广州中益机械有限公司 | All-around edge covering die structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58209429A (en) * | 1982-05-31 | 1983-12-06 | Nissan Motor Co Ltd | Press die |
| JPH0947821A (en) * | 1995-08-02 | 1997-02-18 | Kanto Auto Works Ltd | Auxiliary work take out device for pressing device |
| CN201702259U (en) * | 2010-04-28 | 2011-01-12 | 柳州广菱模具技术有限公司 | Flanged die with flanged overall ejector |
| CN101947600A (en) * | 2009-12-22 | 2011-01-19 | 浙江吉利汽车有限公司 | Flanging and ejecting device |
| CN201735707U (en) * | 2010-05-27 | 2011-02-09 | 湖南长沙北山汽车模具制造厂 | Mould ejection device |
-
2012
- 2012-06-08 CN CN201210187134.XA patent/CN102728740B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58209429A (en) * | 1982-05-31 | 1983-12-06 | Nissan Motor Co Ltd | Press die |
| JPH0947821A (en) * | 1995-08-02 | 1997-02-18 | Kanto Auto Works Ltd | Auxiliary work take out device for pressing device |
| CN101947600A (en) * | 2009-12-22 | 2011-01-19 | 浙江吉利汽车有限公司 | Flanging and ejecting device |
| CN201702259U (en) * | 2010-04-28 | 2011-01-12 | 柳州广菱模具技术有限公司 | Flanged die with flanged overall ejector |
| CN201735707U (en) * | 2010-05-27 | 2011-02-09 | 湖南长沙北山汽车模具制造厂 | Mould ejection device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240354A (en) * | 2013-05-29 | 2013-08-14 | 长城汽车股份有限公司 | Flange ejection device and flange reshaping die |
| CN103240354B (en) * | 2013-05-29 | 2016-06-29 | 长城汽车股份有限公司 | Flange liftout attachment and flanging and restriking mould |
| CN103586347A (en) * | 2013-11-06 | 2014-02-19 | 苏州工业园区新凯精密五金有限公司 | Detent blanking die structure |
| CN103586347B (en) * | 2013-11-06 | 2016-03-02 | 苏州工业园区新凯精密五金有限公司 | A kind of ratchet blanking die structure |
| CN112605264A (en) * | 2020-11-30 | 2021-04-06 | 广州中益机械有限公司 | All-around edge covering die structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102728740B (en) | 2015-07-15 |
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