CN204171185U - A kind of anti-sidesway mould with pre-bending mechanism - Google Patents
A kind of anti-sidesway mould with pre-bending mechanism Download PDFInfo
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- CN204171185U CN204171185U CN201420650156.XU CN201420650156U CN204171185U CN 204171185 U CN204171185 U CN 204171185U CN 201420650156 U CN201420650156 U CN 201420650156U CN 204171185 U CN204171185 U CN 204171185U
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Abstract
There is an anti-sidesway mould for pre-bending mechanism, relate to a kind of anti-sidesway mould with pre-bending mechanism.The utility model provides a kind of anti-sidesway mould with pre-bending mechanism, this mould achieves prebuckling shaping and brake forming substep to carry out, ensure that in whole BENDING PROCESS, part blank is in clamped condition simultaneously, thus avoid the skew of part blank, ensure formed precision, realize bending without surplus, reduce pincers worker reconditioning end face operation and Milling Machining operation, achieve lean production.The utility model comprises lower die mechanism, upper die mechanism, several guide pin bushings and several guide pillars; lower die mechanism is made up of lower bolster, lower bolster, die, lower push rod, lower ejector and lower spring, and upper die mechanism is made up of cope match-plate pattern, upper padding plate, punch, upper ejector pin, upper ejector and upper spring.
Description
Technical field
The utility model relates to a kind of anti-sidesway mould with pre-bending mechanism.
Background technology
Clip class part is as the fixing part of external engine piping, due to the dimensional structure feature of clip class part, process its bending process and belong to compound bending technique, in current bending mould forming process, part woollen can occur to the large one end sidesway of bending deformation quantity, part interstitial hole is caused to elongate, end face surplus needs shaping rear correction, and processing technology is more complicated, and bench work amount is large.
Existing Design of Dies is located with the interstitial hole of clip class part, free bend is carried out to clip class part, time bending, part upper surface tension stress, lower surface compression chord, because clip class part two semicircular size is different, in BENDING PROCESS, clip class part is under malcompression state, due to metal flow distortion and friction effects, clip class part can to the large one side sidesway of bending force, thus clip class part interfix hole lengthening deformation can be made, bending rear clip class part end face also can be influenced simultaneously, therefore, clip class part woollen need leave surplus at length end face, as the compensation of clip class part to side sidesway, pincers worker reconditioning again after bending, simultaneously due to interstitial hole elongation strain, Milling Machining centering is needed after shaping, carry out reaming processing again, whole clip class part process complex procedures, pincers labor content is large, be unfavorable for that clip class part is produced in enormous quantities, processing.
Utility model content
For prior art Problems existing, the utility model provides a kind of anti-sidesway mould with pre-bending mechanism, this mould achieves prebuckling shaping and brake forming substep to carry out, ensure that in whole BENDING PROCESS, part blank is in clamped condition simultaneously, thus avoid the skew of part blank, ensure formed precision, realize bending without surplus, reduce pincers worker reconditioning end face operation and Milling Machining operation, achieve lean production.
To achieve these goals, the utility model adopts following technical scheme: a kind of anti-sidesway mould with pre-bending mechanism, comprise lower die mechanism, upper die mechanism, several guide pin bushings and several guide pillars, lower die mechanism is by lower bolster, lower bolster, die, lower push rod, lower ejector and lower spring composition, lower bolster is fixed with at the top of lower bolster, die is fixed with at the top of lower bolster, at lower bolster, the middle part of lower bolster and die is provided with through hole, and the through hole of three is connected, lower ejector is disposed with from top to bottom in the through hole of three, lower push rod and lower spring, the top of lower ejector is provided with alignment pin, the end face of die is provided with concave surface, upper die mechanism is made up of cope match-plate pattern, upper padding plate, punch, upper ejector pin, upper ejector and upper spring, upper padding plate is fixed with in the bottom of cope match-plate pattern, punch is fixed with in the bottom of upper padding plate, through hole is provided with at the middle part of cope match-plate pattern, upper padding plate and punch, and the through hole of three is connected, spring on being disposed with from top to bottom in the through hole of three, upper ejector pin and on ejector, described guide pillar is fixed on the lower bolster of lower die mechanism, guide pin bushing is fixed on the cope match-plate pattern of upper die mechanism, guide pillar matches with guide pin bushing, described upper and lower ejector forms pre-bending mechanism, under upper die mechanism and lower die mechanism are in matched moulds state, the convex surface of punch is identical with the end face profile of clip class part with the bottom surface of upper ejector, and the concave surface of die is identical with the bottom surface profile of clip class part with the end face of lower ejector.
Described upper and lower spring all adopts brute spring.
The through hole of described lower bolster is screwed hole, and in screwed hole, the bottom of lower spring is provided with lower nut.
The through hole of described lower bolster is inverted T shape structure, and the bottom outside wall of described lower push rod is provided with projection, and this projection is arranged on the via bottoms of lower bolster.
The through hole of described die is inverted T shape structure, and the bottom outside wall of lower ejector is provided with projection, and this projection is arranged on the via bottoms of die.
The through hole of described cope match-plate pattern is screwed hole, in screwed hole, on the top of spring be provided with top nut.
The through hole of described upper padding plate is T-type structure, and the top outer wall of described upper ejector pin is provided with projection, and this projection is arranged on the via top of upper padding plate.
The through hole of described die is T-type structure, and the top outer wall of upper ejector is provided with projection, and this projection is arranged on the via top of die.
The top of the cope match-plate pattern of described upper die mechanism is provided with die shank.
Described clip class part is by dull and stereotyped and left with flat board, the left side that right two ends are connected, right semi-ring composition, the center of flat board is provided with locating hole, the bottom surface of described upper ejector is identical with the profile of the dull and stereotyped end face of clip class part, the end face of described lower ejector and the flat board of clip class part, identical with the profile of the bottom surface of the left semi-ring of flat board connects 1/2nd and the right semi-ring of 1/2nd, described alignment pin is arranged on the end face of the lower ejector position corresponding with the locating hole of clip class part, and upper ejector, the center line of alignment pin and lower push rod is arranged on the same line.
The beneficial effects of the utility model:
The utility model is used in the enterprising enforcement of punch press, achieve the whole forming process of compressing component blank, prebuckling and part, and avoid part blank skew, locating hole distortion and part blank end elongation phenomenon, the clip class surface quality of workpieces formed is good, achieve without surplus precise forming, steady quality is reliable, improves production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation with the anti-sidesway mould of pre-bending mechanism of the present utility model;
Fig. 2 is the structural representation under upper die mechanism of the present utility model and lower die mechanism are in matched moulds state;
Fig. 3 is the anti-sidesway mould structural representation in a state of use with pre-bending mechanism of the present utility model;
Fig. 4 is the structural representation of clip class part;
Fig. 5 is the top view of Fig. 4;
In figure, 1-lower bolster, 2--cope match-plate pattern, 3--lower bolster, 4--upper padding plate, 5--die, the upper ejector of 6--, 7--punch, ejector under 8--, 9--top nut, 10--lower push rod, 11--upper ejector pin, 12--alignment pin, the upper straight pin of 13--, 14--lower nut, 15--screwing, the upper spring of 16--, 17--lower spring, 18--guide pin bushing, 19--guide pillar, 20--die shank, straight pin under 21--, screw under 22--, the left semi-ring of 23--, 24--is dull and stereotyped, the right semi-ring of 25--, 26--locating hole, 27--part blank.
Detailed description of the invention
With specific embodiment, the utility model is described in further detail by reference to the accompanying drawings above.
As shown in Fig. 1 ~ Fig. 5, a kind of anti-sidesway mould with pre-bending mechanism, comprise lower die mechanism, upper die mechanism, four guide pin bushings 18 and four guide pillars 19, lower die mechanism is by lower bolster 1, lower bolster 3, die 5, lower push rod 10, lower ejector 8 and lower spring 17 form, lower bolster 3 is fixed with at the top of lower bolster 1, lower bolster 3 plays protection lower bolster 1 and increases the effect of lower spring 17 stroke and elastic force, die 5 is fixed with at the top of lower bolster 3, lower bolster 1, lower bolster 3 and die 5 are fixedly connected with lower screw 22 by lower straight pin 21, at lower bolster 1, the middle part of lower bolster 3 and die 5 is provided with through hole, and the through hole of three is connected, lower ejector 8 is disposed with from top to bottom in the through hole of three, lower push rod 10 and lower spring 17, the top of lower ejector 8 is provided with alignment pin 12, alignment pin 12 is for the location of part blank, the end face of die 5 is provided with concave surface, upper die mechanism is by cope match-plate pattern 2, upper padding plate 4, punch 7, upper ejector pin 11, upper ejector 6 and upper spring 16 form, upper padding plate 4 is fixed with in the bottom of cope match-plate pattern 2, the effect of upper padding plate 4 protects cope match-plate pattern 2 can not be raised part device 6 to weigh wounded, and improve the height of upper die mechanism, the stroke of spring 16 in increase, to ensure the elastic force that part blank is out of shape, punch 7 is fixed with in the bottom of upper padding plate 4, cope match-plate pattern 2, upper padding plate 4 and punch 7 are fixedly connected with screwing 15 by upper straight pin 13, at cope match-plate pattern 2, the middle part of upper padding plate 4 and punch 7 is provided with through hole, and the through hole of three is connected, spring 16 on being disposed with from top to bottom in the through hole of three, upper ejector pin 11 and upper ejector 6, the object of upper ejector 6 is when punch 7 applies pressure downwards, upper ejector 6 under spring action, part blank 27 applies pressure, guarantee that part blank 27 is in clamped condition in BENDING PROCESS, avoid in unbalanced external force, part blank 27 produces skew, described guide pillar 19 symmetry is fixed on the top of the lower bolster 1 of lower die mechanism, guide pin bushing 18 symmetry is fixed on the cope match-plate pattern 2 of upper die mechanism, guide pillar 19 matches with guide pin bushing 18, play upper die mechanism and press down the guide effect in process, described upper and lower ejector forms pre-bending mechanism, under upper die mechanism and lower die mechanism are in matched moulds state, the convex surface of punch 7 is identical with the end face profile of clip class part with the bottom surface of upper ejector 6, and the concave surface of die 5 is identical with the bottom surface profile of clip class part with the end face of lower ejector 8.
Described upper and lower spring all adopts brute spring.
The through hole of described lower bolster 1 is screwed hole, and in screwed hole, the bottom of lower spring 17 is provided with lower nut 14, by the elastic force regulating the position of lower nut 14 to regulate lower spring 17.
The through hole of described lower bolster 3 is inverted T shape structure, and the bottom outside wall of described lower push rod 10 is provided with projection, and this projection is arranged on the via bottoms of lower bolster 3, for spacing.
The through hole of described die 5 is inverted T shape structure, and the bottom outside wall of lower ejector 8 is provided with projection, and this projection is arranged on the via bottoms of die 5, for spacing.
The through hole of described cope match-plate pattern 2 is screwed hole, in screwed hole, on the top of spring 16 be provided with top nut 9, by the elastic force regulating the position of top nut 9 to regulate upper spring 16.
The through hole of described upper padding plate 4 is T-type structure, and the top outer wall of described upper ejector pin 11 is provided with projection, and this projection is arranged on the via top of upper padding plate 4, for spacing.
The through hole of described die 5 is T-type structure, and the top outer wall of upper ejector 6 is provided with projection, and this projection is arranged on the via top of die 5, for spacing.
The top of described cope match-plate pattern 2 is provided with die shank 20, guarantees that the Center of Pressure of punch press and the utility model mould center of effort overlap.
Described clip class part is by dull and stereotyped 24 and left with dull and stereotyped 24, the left side that right two ends are connected, right semi-ring composition, the center of dull and stereotyped 24 is provided with locating hole 26, the bottom surface of described upper ejector 6 is identical with the profile of flat board 24 end face of clip class part, the end face of described lower ejector 8 and the flat board 24 of clip class part, identical with the profile of the bottom surface of the left semi-ring 23 of dull and stereotyped 24 connect 1/2nd and the right semi-ring 25 of 1/2nd, described alignment pin 12 is arranged on the end face of lower ejector 8 position corresponding with the locating hole 26 of clip class part, and upper ejector 6, the center line of alignment pin 12 and lower push rod 10 is arranged on the same line.
An accompanying drawings use procedure of the present utility model above:
As shown in Fig. 1 ~ Fig. 5, the utility model mould is placed on the workbench of punch press, and die shank 20 of the present utility model is inserted in the top shoe shank hole of punch press, guarantee that the Center of Pressure of punch press and the utility model mould center of effort overlap; Part blank 27 is placed on lower ejector 8, and the locating hole of part blank 27 is enclosed within alignment pin 12 positions, upper die mechanism is at the moved downward of punch press, first upper ejector pushes down part blank 27, upper die mechanism continues to move downward, upper ejector 2 is Clamp blocks blank 27 under upper spring 16 acts on, and ensure that part blank 27 position in forming process is fixed, does not offset; Then, upper spring 16 shrinks, punch 7 contact part blank 27, part blank 27 starts to bend under punch 7 pressure, but under the support of lower ejector 8, two place's bending parts first in the middle part of the end face of lower ejector 8 bend (this two places bending part is plane and left and right semi-ring connection), and both sides bending force is equal, there is not laterally offset in part blank 27, thus achieves part blank 27 prebuckling; Upper die mechanism continues to move downward; lower spring 17 shrinks; lower ejector 8 slide downward, part blank 27 continues brake forming, now; because part blank 27 first completes prebuckling; define two place's bending points, increase part blank 27 subsequent forming metal flow resistance, efficiently avoid because both sides bending force is different; cause part blank 27 to produce laterally offset, thus achieve precise forming.
Claims (10)
1. one kind has the anti-sidesway mould of pre-bending mechanism, it is characterized in that comprising lower die mechanism, upper die mechanism, several guide pin bushings and several guide pillars, lower die mechanism is by lower bolster, lower bolster, die, lower push rod, lower ejector and lower spring composition, lower bolster is fixed with at the top of lower bolster, die is fixed with at the top of lower bolster, at lower bolster, the middle part of lower bolster and die is provided with through hole, and the through hole of three is connected, lower ejector is disposed with from top to bottom in the through hole of three, lower push rod and lower spring, the top of lower ejector is provided with alignment pin, the end face of die is provided with concave surface, upper die mechanism is made up of cope match-plate pattern, upper padding plate, punch, upper ejector pin, upper ejector and upper spring, upper padding plate is fixed with in the bottom of cope match-plate pattern, punch is fixed with in the bottom of upper padding plate, through hole is provided with at the middle part of cope match-plate pattern, upper padding plate and punch, and the through hole of three is connected, spring on being disposed with from top to bottom in the through hole of three, upper ejector pin and on ejector, described guide pillar is fixed on the lower bolster of lower die mechanism, guide pin bushing is fixed on the cope match-plate pattern of upper die mechanism, guide pillar matches with guide pin bushing, described upper and lower ejector forms pre-bending mechanism, under upper die mechanism and lower die mechanism are in matched moulds state, the convex surface of punch is identical with the end face profile of clip class part with the bottom surface of upper ejector, and the concave surface of die is identical with the bottom surface profile of clip class part with the end face of lower ejector.
2. the anti-sidesway mould with pre-bending mechanism according to claim 1, is characterized in that described upper and lower spring all adopts brute spring.
3. the anti-sidesway mould with pre-bending mechanism according to claim 1, is characterized in that the through hole of described lower bolster is screwed hole, and in screwed hole, the bottom of lower spring is provided with lower nut.
4. the anti-sidesway mould with pre-bending mechanism according to claim 1, it is characterized in that the through hole of described lower bolster is inverted T shape structure, the bottom outside wall of described lower push rod is provided with projection, and this projection is arranged on the via bottoms of lower bolster.
5. the anti-sidesway mould with pre-bending mechanism according to claim 1, it is characterized in that the through hole of described die is inverted T shape structure, the bottom outside wall of lower ejector is provided with projection, and this projection is arranged on the via bottoms of die.
6. the anti-sidesway mould with pre-bending mechanism according to claim 1, is characterized in that the through hole of described cope match-plate pattern is screwed hole, in screwed hole, on the top of spring be provided with top nut.
7. the anti-sidesway mould with pre-bending mechanism according to claim 1, it is characterized in that the through hole of described upper padding plate is T-type structure, the top outer wall of described upper ejector pin is provided with projection, and this projection is arranged on the via top of upper padding plate.
8. the anti-sidesway mould with pre-bending mechanism according to claim 1, it is characterized in that the through hole of described die is T-type structure, the top outer wall of upper ejector is provided with projection, and this projection is arranged on the via top of die.
9. the anti-sidesway mould with pre-bending mechanism according to claim 1, is characterized in that the top of the cope match-plate pattern at described upper die mechanism is provided with die shank.
10. the anti-sidesway mould with pre-bending mechanism according to claim 1, it is characterized in that described clip class part is by dull and stereotyped and left with flat board, the left side that right two ends are connected, right semi-ring composition, the center of flat board is provided with locating hole, the bottom surface of described upper ejector is identical with the profile of the dull and stereotyped end face of clip class part, the end face of described lower ejector and the flat board of clip class part, identical with the profile of the bottom surface of the left semi-ring of flat board connects 1/2nd and the right semi-ring of 1/2nd, described alignment pin is arranged on the end face of the lower ejector position corresponding with the locating hole of clip class part, and upper ejector, the center line of alignment pin and lower push rod is arranged on the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650156.XU CN204171185U (en) | 2014-10-31 | 2014-10-31 | A kind of anti-sidesway mould with pre-bending mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650156.XU CN204171185U (en) | 2014-10-31 | 2014-10-31 | A kind of anti-sidesway mould with pre-bending mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204171185U true CN204171185U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420650156.XU Active CN204171185U (en) | 2014-10-31 | 2014-10-31 | A kind of anti-sidesway mould with pre-bending mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880374A (en) * | 2016-06-28 | 2016-08-24 | 安徽好运机械有限公司 | Composite die for outer wall plate of forklift |
| CN115069842A (en) * | 2022-07-27 | 2022-09-20 | 徐州飞梦电子科技有限公司 | Electronic component stamping forming equipment |
-
2014
- 2014-10-31 CN CN201420650156.XU patent/CN204171185U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880374A (en) * | 2016-06-28 | 2016-08-24 | 安徽好运机械有限公司 | Composite die for outer wall plate of forklift |
| CN105880374B (en) * | 2016-06-28 | 2018-07-17 | 安徽好运机械有限公司 | A kind of composite die for fork truck exterior panel |
| CN115069842A (en) * | 2022-07-27 | 2022-09-20 | 徐州飞梦电子科技有限公司 | Electronic component stamping forming equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |