CN102069120A - Novel blank-holding and returning mechanism used in flanging process - Google Patents
Novel blank-holding and returning mechanism used in flanging process Download PDFInfo
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- CN102069120A CN102069120A CN2010105555018A CN201010555501A CN102069120A CN 102069120 A CN102069120 A CN 102069120A CN 2010105555018 A CN2010105555018 A CN 2010105555018A CN 201010555501 A CN201010555501 A CN 201010555501A CN 102069120 A CN102069120 A CN 102069120A
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- dish spring
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Abstract
The invention relates to a novel blank-holding and returning mechanism used in a flanging process. The mechanism is characterized in that guide bushings are inlaid on two guide connecting plates, a mounting plate for a female die a and a mounting plate for a female die b, the guide bushings are arranged on a guide shaft in a clearance fit manner, and the guide shaft is fixed on a machine tool; in an upper pressure head assembly, a disc spring preloaded clamp plate is sheathed on a male die a, a disc spring and a blank holder are sequentially sheathed on the male die a, a guide sleeve is sheathed on the blank holder, the guide sleeve is connected with the disc spring preloaded clamp plate through screws, and a pilot pin is arranged on the male die a; in a lower pressure head assembly, a male die b is in clearance fit with a locating clamp plate for the male die b and then is fixed with a male die base, and then the pilot pin is fastened by screws; and the upper pressure head assembly and the lower pressure head assembly are arranged on the two guide connecting plates. The novel blank-holding and returning mechanism has the advantages that the difficulty in blank-holding and returning can be effectively solved in a limited space, and workpiece deformation is small and efficiency is high during the flanging process, thus achieving the purpose of improving product quality; and the mechanism is applicable to flanging parts with complex shape and limited spatial structure layout.
Description
Technical field
The present invention relates to the novel flanging of a kind of flanging process, unloading mechanism, belong to part and make organisation of working.
Technical background
Flanging process be a kind of improve the rigidity of part, reasonably use material, cut down finished cost, simple fast and the higher processing method of precision; Be mainly used in the assembling position of producing, perhaps the given shape that is used for processing for the rigidity that improves making with other parts.But, make the application of this technology preferably be restricted because the complicated shape of part and space structure are very big to this processing technology influence.The lower control arm bush hole is the pilot hole that is used to press-fit lining, and the product requirement bush hole is that the high 6MM annulus of flange forms again by after the steel plate punching that up and down 2MM is thick, and product has higher requirements to the dimensional tolerance and the form and position tolerance of bush hole.Technologically this belongs to the circular hole flange in the punching press.But because the feature of Workpiece structure itself, conventional circular hole flange equipment is guaranteeing to be difficult under precision and the indeformable situation of workpiece realize flanging, the material returned.
Summary of the invention
The object of the present invention is to provide the novel flanging of a kind of flanging process, unloading mechanism, can effectively solve the problem of flanging, material returned difficulty in limited space, the workpiece deformation of turn-up process is little, the efficient height.
Technical scheme of the present invention is to realize like this, the novel flanging of flanging process, unloading mechanism are dragged by guiding connecting plate, punch a, dish spring pretension pressing plate, blank holder, dish spring, fairlead, pilot pin, die a, die b, punch b, punch b positioning pressuring plate, jaw, jointed shaft, bar, clamping cylinder, push rod, die b that cylinder, die b installing plate, middle plate, die a installing plate, die a drag cylinder, the axis of guide is formed; It is characterized in that: inlay guiding and be installed on the axis of guide with the lining matched in clearance on two guiding connecting plates, die a installing plate, die b installing plate, the axis of guide is fixed on the bed piece; Dish spring pretension pressing plate in the seaming chuck assembly is enclosed within on the punch a, dish spring, blank holder is enclosed within on the punch a successively again, and fairlead is enclosed within on the blank holder, with screw fairlead is connected with dish spring pretension pressing plate, and pilot pin is installed on the punch a; Fix with the punch base after punch b in the push-down head assembly and the punch b positioning pressuring plate matched in clearance, pilot pin connects with screw; Pressure head component is installed on two guiding connecting plates up and down.
Described die a, die b are installed in respectively on die a installing plate and the die b installing plate, and with the alignment pin location, screw is fastening between them, and middle plate is connected on the executive component; Jaw on the hinge lever clamp mechanism of being made up of jaw, jointed shaft, bar and push rod cooperates with the clamped position of die a and die b elastic opening.
Good effect of the present invention is to can be complex contour, and the limited part of space structure layout carries out flange; And reached the purpose of improving the quality of products.
Description of drawings
Fig. 1 is a structure chart of the present invention.
Fig. 2 is a clamping machine composition of the present invention.
The specific embodiment
The present invention is done the description in a step below in conjunction with accompanying drawing: as shown in Figure 1, 2, the novel flanging of flanging process, unloading mechanism clamp cylinders, 16 push rods, 17 die b by 1 guiding connecting plate, 2 punch a, 3 dish spring pretension pressing plates, 4 blank holders, 5 dish springs, 6 fairleads, 7 pilot pins, 8 die a, 9 die b, 10 punch b, 11 punch b positioning pressuring plates, 12 jaws, 13 jointed shafts, 14 bars, 15 and drag that cylinder, 18 die b installing plates, 19, middle plate, 20 die a installing plates, 21 die a drag cylinder, 22 axis of guides are formed; It is characterized in that: inlay guiding and be installed on the axis of guide 22 with the lining matched in clearance on two guiding connecting plates 1, die a installing plate 20, die b installing plate 18, the axis of guide 22 is fixed on the bed piece; Dish spring pretension pressing plate 3 in the seaming chuck assembly is enclosed within on the punch a2, dish spring 5, blank holder 4 is enclosed within on the punch a2 successively again, and fairlead 6 is enclosed within on the blank holder 4, with screw fairlead 6 and dish spring is pressed 3 plates in advance and is connected, and pilot pin 7 is installed on the punch a2; Fix with the punch base after punch b10 in the push-down head assembly and punch b positioning pressuring plate 11 matched in clearance, pilot pin 7 usefulness screws connect; Pressure head component is installed on two guiding connecting plates 1 up and down.
Wherein and the assembly relation of the axis of guide 22 all adopt matched in clearance between the lining and the axis of guide, quality of fit is H7/g6, the packing of seaming chuck assembly: earlier dish spring pretension pressing plate 3 is enclosed within on the punch a2, adopts matched in clearance (H7/h6) between two connectors; Dish spring 5, blank holder 4 are enclosed within on the punch a2 successively, wherein dish spring 5 adopts internal diameter centering again, and blank holder 4 is H7/g6 with the section of the cooperation tolerance of punch; 6 of fairleads are enclosed within on the blank holder 4, and with screw fairlead 6 and dish spring pretension pressing plate 3 are coupled together, and are the matched in clearance of H7/h6 between fairlead 6 and blank holder 4 and the dish spring pretension pressing plate 3; At last pilot pin 7 is installed on the punch a2, two parts adopt the matching relationship of H7/h6 to be screwed, and then the packing of seaming chuck assembly is finished.The packing of push-down head assembly: punch b10 and punch b positioning pressuring plate 11 adopt the matched in clearance of H7/h6, at first both are assembled the back and fix with the punch base, adopt alignment pin and screw ways of connecting.1 be assembled together respectively and between two guiding connecting plates after the pressure head component packing is finished up and down.Their connection all adopts straight mouthful to cooperate the mode that screw is fastening.Die a8, die b9 are installed in respectively on die a installing plate 20 and the die b installing plate 18, and with the alignment pin location, screw is fastening between them.Middle plate 19 is connected on the executive component; Jaw 12 on the hinge lever clamp mechanism of being made up of jaw 12, jointed shaft 13, bar 14 and push rod 16 cooperates with the clamped position of die a8 and die b9 elastic opening.
When adding man-hour,Workpiece is placed on the equipment by coarse positioning, two die a8 and die b9 die a drag cylinder 21 and die b drag be fitted in workpiece under dragging of cylinder 17 respectively treat the flange place, middle plate 19 inserts two die a8 and die b9 intermediate gaps position under executive component drives, at this moment, clamp cylinder 15 and promote the elastic opening position that push rod 16 makes jaw 12 clamping die a8 and die b9, make die a8 and die b9 opening closure.Then, punch a2 drives 22 walkings of the lower edge axis of guide at its executive component, and pilot pin 7 centering workpiece are treated the flange bottom outlet, and blank holder 4 is pressed on the workpiece simultaneously, and the pretightning force of dish spring 5 provides pressure-pad-force for the turn-up process of punch a2.After treating that punch a2 flange is finished, keep its flange driving force, the reaction force of pressure-pad-force and flange power is provided for the turn-up process of punch b10.Treat punch b10 under the driving of its executive component, after finishing turn-up process and returning original position, punch a2 withdraws from workpiece under the elastic force effect of dish spring 5, and takes back the work original position by its executive component; To clamp cylinder 15 again and unclamp, middle plate 19 is return.At this moment, two dies separate with the outer ring at workpiece flange position, and two dies withdraw from the annulus that the workpiece flange forms under the dragging of cylinder, unload workpiece.
WhenDie a8 and die b9 are in clamped condition in the process of workpiece flange, promptly clamp mechanism clamps die a8 and die b9 opening part fully and makes its place's closure state.Obviously, in this state, the die endoporus is less than the interior hole dimension under its free state.
When workpiece behind flange under die a8 and the die b9 closure state, annulus that flange forms and die combining tightly, die can not withdraw from from the annulus that flange forms.At this moment, clamp mechanism is unclamped, die returns to its free state, and then the interior hole dimension of die is greater than the annulus outside dimension of flange formation, so under the die free state, will realize the process of the die material returned smoothly.
Claims (2)
1. the novel flanging of flanging process, unloading mechanism are dragged by guiding connecting plate, punch a, dish spring pretension pressing plate, blank holder, dish spring, fairlead, pilot pin, die a, die b, punch b, punch b positioning pressuring plate, jaw, jointed shaft, bar, clamping cylinder, push rod, die b that cylinder, die b installing plate, middle plate, die a installing plate, die a drag cylinder, the axis of guide is formed; It is characterized in that: inlay guiding and be installed on the axis of guide with the lining matched in clearance on two guiding connecting plates, die a installing plate, die b installing plate, the axis of guide is fixed on the bed piece; Dish spring pretension pressing plate in the seaming chuck assembly is enclosed within on the punch a, dish spring, blank holder is enclosed within on the punch a successively again, and fairlead is enclosed within on the blank holder, with screw fairlead is connected with dish spring pretension pressing plate, and pilot pin is installed on the punch a; Fix with the punch base after punch b in the push-down head assembly and the punch b positioning pressuring plate matched in clearance, pilot pin connects with screw; Pressure head component is installed on two guiding connecting plates up and down.
2. the novel flanging of flanging process according to claim 1, unloading mechanism, it is characterized in that described die a, die b are installed in respectively on die a installing plate and the die b installing plate, with the alignment pin location, screw is fastening between them, and middle plate is connected on the executive component; Jaw on the hinge lever clamp mechanism of being made up of jaw, jointed shaft, bar and push rod cooperates with the clamped position of die a and die b elastic opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010555501 CN102069120B (en) | 2010-11-23 | 2010-11-23 | Novel blank-holding and returning mechanism used in flanging process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010555501 CN102069120B (en) | 2010-11-23 | 2010-11-23 | Novel blank-holding and returning mechanism used in flanging process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102069120A true CN102069120A (en) | 2011-05-25 |
| CN102069120B CN102069120B (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010555501 Expired - Fee Related CN102069120B (en) | 2010-11-23 | 2010-11-23 | Novel blank-holding and returning mechanism used in flanging process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184433A (en) * | 2019-07-02 | 2019-08-30 | 瓦房店金冠达轴承制造有限公司 | A kind of combination pressing mold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070888A (en) * | 1977-02-28 | 1978-01-31 | Coors Container Company | Apparatus and methods for simultaneously necking and flanging a can body member |
| JP2006305623A (en) * | 2005-03-28 | 2006-11-09 | Kohei Muramoto | Die and method for manufacturing die using laser beam machine |
| CN201012375Y (en) * | 2007-01-25 | 2008-01-30 | 青岛双星数控锻压机械有限公司 | Eyelet punching flanging composite mold |
| CN201871597U (en) * | 2010-11-23 | 2011-06-22 | 中国第一汽车集团公司 | Novel blank-holding and material-returning mechanism adopting blank turning process |
-
2010
- 2010-11-23 CN CN 201010555501 patent/CN102069120B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070888A (en) * | 1977-02-28 | 1978-01-31 | Coors Container Company | Apparatus and methods for simultaneously necking and flanging a can body member |
| JP2006305623A (en) * | 2005-03-28 | 2006-11-09 | Kohei Muramoto | Die and method for manufacturing die using laser beam machine |
| CN201012375Y (en) * | 2007-01-25 | 2008-01-30 | 青岛双星数控锻压机械有限公司 | Eyelet punching flanging composite mold |
| CN201871597U (en) * | 2010-11-23 | 2011-06-22 | 中国第一汽车集团公司 | Novel blank-holding and material-returning mechanism adopting blank turning process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184433A (en) * | 2019-07-02 | 2019-08-30 | 瓦房店金冠达轴承制造有限公司 | A kind of combination pressing mold |
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| Publication number | Publication date |
|---|---|
| CN102069120B (en) | 2013-05-15 |
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Granted publication date: 20130515 Termination date: 20191123 |