CN202655404U - Workpiece bending device for heavy-duty locking device progressive die - Google Patents
Workpiece bending device for heavy-duty locking device progressive die Download PDFInfo
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- CN202655404U CN202655404U CN 201220280490 CN201220280490U CN202655404U CN 202655404 U CN202655404 U CN 202655404U CN 201220280490 CN201220280490 CN 201220280490 CN 201220280490 U CN201220280490 U CN 201220280490U CN 202655404 U CN202655404 U CN 202655404U
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Abstract
The utility model discloses a workpiece bending device for a heavy-duty locking device progressive die. The workpiece bending device is characterized in that a first through hole is formed in a first insert; an upper end opening of the hole is close to the transverse back side of a fixed plate, and the lower end opening of the hole is close to the transverse middle part of the fixed plate; an included angle between the central line of the hole and the transverse central line of the fixed plate is an acute angle; the core insertion end of a first molding female die is spliced into the hole, so that the first molding female die is in sliding fit with the first insert; the lower part of the core insertion end of the first molding female die is connected with a fourth rectangular spring in a lower die holder; the back side of the lower end of a second push block is provided with a bevel plane; the front side of an ejection block is provided with another bevel plane; a discharging plate is provided with a second through hole into which the second push block is inserted and which is vertically communicated with a second transverse slideway corresponding to the second push block; the transverse front side of the longitudinal tail part of a lower die is further provided with an adjusting spring and a horizontal bolt; the threaded end of the bolt passes through the second transverse slideway, and is in threaded connection with the front side of the ejection block; and the lower end of the second push block is provided with a recess for avoiding the bolt. Due to the adoption of the device, a good workpiece bending effect is achieved.
Description
Technical field
The utility model relates to a kind of workpiece bending apparatus of heavy lock progressive die.
Background technology
The self structure of heavy lock is complicated, a tongue is arranged in its structure, be in two not mutual corresponding two groups of holes on the coplanar and respectively.The punching press of tongue is processed, and experience successively four bendings, but have following problem: in the second time of tongue BENDING PROCESS, loosing core of molding concave die is difficult to process; After tongue experiences for the third time bending, though tongue by 180 ° of general curved, can't guarantee the axiality in described two groups of holes.The workpiece that these problems so that be used for are made heavy lock is difficult to realize crooked.At present, the workpiece bending apparatus in the existing heavy lock progressive die, it is of a great variety, structure is also different, but the bending effect of workpiece is all relatively poor.Some workpiece bending apparatus do not stint and adopt labyrinth, precious materials, so that cost are higher in order to improve bending effect.
The utility model content
The workpiece bending apparatus that technical problem to be solved in the utility model provides a kind of heavy lock progressive die uses this workpiece bending apparatus, and the bending effect of workpiece is better.
For solving the problems of the technologies described above, the utility model provides a kind of workpiece bending apparatus of heavy lock progressive die, it comprises upper die and lower die and the lead that links to each other, patrix comprises a upper bolster, connect successively upper padding plate and fixed head below the upper bolster, counterdie comprises a die shoe, connects successively lower bolster, fixed head and stripper above the die shoe;
Vertical afterbody of patrix is provided with first drift that is slidingly matched, connect the first Rectangular Spring above the first drift, vertical afterbody of counterdie is provided with first punch die, the first punch die is comprised of the first molding concave die, the first mold insert, be provided with the first transverse slipway of confession the first molding concave die motion on the stripper corresponding to the first drift place, the curved end of the first molding concave die is pointed to the front side of the first transverse slipway, the first mold insert be arranged on the fixed head and its position corresponding with the rear side of the first transverse slipway;
First perforation that is in tilted layout is arranged in the first mold insert, the upper end open of the first perforation is near the lateral rear of fixed head, the lateral middle of the close fixed head of lower ending opening, angle between the center line of the first perforation and the cross central line of fixed head is acute angle, the lock pin end of the first molding concave die is plugged in the first perforation, so that the first molding concave die and the first mold insert are slidingly matched, and join with the 4th Rectangular Spring that is arranged in the die shoe under the lock pin end of the first molding concave die;
Vertical afterbody of patrix is provided with second drift that is slidingly matched, compare with the first drift, the second drift is vertical tail end of close patrix in position, connect the second Rectangular Spring above the second drift, the horizontal front side of the vertical afterbody of patrix also vertically is provided with two the first pushing block, the second pushing blocks with patrix interlock and space, and the first pushing block is near the second drift;
Vertical afterbody of counterdie is provided with one and is slidingly matched and second punch die corresponding with the second drift position, connect the 3rd Rectangular Spring below the second punch die, be provided with the second transverse slipway that front and back connect corresponding to the second drift and the first pushing block place on the stripper, a horizontal ejection block is slidingly matched in the second transverse slipway, horizontal ejection block is between the lower end of the first pushing block and the second pushing block, and the rear end of ejection block is near close the second pushing block of the front end of the first pushing block, ejection block;
The lower end rear side of the second pushing block is with the inclined-plane, the front side of ejection block is with another inclined-plane that matches with inclined-plane on the second pushing block, be provided with one second perforation that penetrates and vertically communicate with the second transverse slipway for the second pushing block corresponding to the second pushing block place on the stripper, the leveling screw that the horizontal front side of the vertical afterbody of counterdie also is provided with a regulating spring and cooperates with described regulating spring, the front side that the end of thread of bolt passes the second transverse slipway and ejection block spins, and the lower end of the second pushing block has dodges the recessed of bolt.
For can concise description for the purpose of the problem, below to the workpiece bending apparatus of heavy lock progressive die described in the utility model all referred to as this workpiece bending apparatus.
This workpiece bending apparatus is fitted in the heavy lock progressive die, can uses.
During use, patrix down moves, patrix is pushed down the first molding concave die by the first drift, make the first molding concave die press down tongue on the workpiece, realize the first order buckling (it is crooked that this time is bent into second time of tongue, makes the elevation angle between tongue and the workpiece from the obtuse angle state to the acute angle state) of tongue, meanwhile, the first perforation by means of being in tilted layout in the first mold insert also makes the first molding concave die that the movement (at this moment, the 4th Rectangular Spring is compressed) of a horizontal direction is arranged; After tongue experienced this time bending, patrix up moved, and the 4th Rectangular Spring is released, and by its thrust that makes progress, allowed the first molding concave die move horizontally and loosed core, so that loosing core of the first molding concave die is easy to process.
When patrix down moves again, the second drift is down pushed down workpiece, vertical the first pushing block is down pushed down the tongue on the workpiece, meanwhile, penetrate the second perforation with vertical second pushing block of patrix interlock, in the second transverse slipway, and match with horizontal ejection block (by the inclined-plane on both), allow horizontal ejection block, bolt moves (at this moment towards the blind end direction of tongue, regulating spring is compressed), make horizontal ejection block prop up the blind end of tongue, so punching press is processed, (this time is bent into the crooked for the third time of tongue in the again bending of tongue on the realization workpiece, make the elevation angle between tongue and the workpiece from the acute angle state to cardinal principle zero angle state, at this moment, tongue is substantially parallel with workpiece, tongue is by 180 ° of general curved); After tongue experienced this time bending, patrix up moved, and drove horizontal reset on the second drift, the first pushing block, the second pushing block, and regulating spring is released, so that horizontal ejection block, the reverse mobile return of bolt.Be in two not mutual axialities in two groups of corresponding holes on the coplanar and respectively on the workpiece, can be guaranteed by the mutual coordinated of the second drift, vertical the first pushing block, vertical the second pushing block, the second punch die, horizontal ejection block, regulating spring, bolt.
In sum, use this workpiece bending apparatus, be easy to realize crooked so that be used for making the workpiece of heavy lock, and the bending effect of workpiece is better.
Description of drawings
Fig. 1 is that this workpiece bending apparatus is fitted in the top view in the heavy lock progressive die;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B partial sectional view of Fig. 1;
Fig. 4 is the schematic diagram that the workpiece of making heavy lock experiences different punching press treatment steps.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is specifically described:
Referring to Fig. 1-Fig. 4: need to prove, omit patrix among Fig. 1, only counterdie 2 be shown, in addition, also omit the first molding concave die 2f among Fig. 1, only the first transverse slipway 2e be shown; For the workpiece G that is used for making heavy lock, the 21 step punching press treatment steps that workpiece G experiences have been shown among Fig. 4, wherein:, be respectively for the 13rd step (tongue S is crooked for the first time), the 14th step (tongue S is crooked for the second time), the 15th step (tongue S is crooked for the third time), the 16th step (the 4th bending of tongue S) in order to the corresponding punching press treatment step of four bendings representing the tongue S on the workpiece G; This workpiece bending apparatus only goes on foot in the punching press treatment step applicable in the 14th step and the 15th for tongue S.
This workpiece bending apparatus comprises patrix 1, counterdie 2 and the lead 3 that links to each other, patrix 1 comprises a upper bolster 1a, connect successively upper padding plate 1b and fixed head 1c below the upper bolster 1a, counterdie 2 comprises a die shoe 2a, connects successively lower bolster 2b, fixed head 2c and stripper 2d above the die shoe 2a.
Vertical afterbody of patrix 1 is provided with first a drift 1d who is slidingly matched, connect the first Rectangular Spring 1e above the first drift 1d, vertical afterbody of counterdie 2 is provided with first punch die, the first punch die is comprised of the first molding concave die 2f, the first mold insert 2j, upper the first transverse slipway 2e that is provided with a confession the first molding concave die 2f motion corresponding to the first drift 1d place of stripper 2d, the curved end 2g of the first molding concave die 2f points to the front side of the first transverse slipway 2e, and the first mold insert 2j is arranged on that fixed head 2c is upper and its position is corresponding with the rear side of the first transverse slipway 2e.
A first perforation 2k who is in tilted layout is arranged in the first mold insert 2j, the upper end open of the first perforation 2k is near the lateral rear of fixed head 2c, the lateral middle of the close fixed head 2c of lower ending opening, angle between the center line of the first perforation 2k and the cross central line of fixed head 2c is acute angle, the lock pin end 2h of the first molding concave die 2f is plugged among the first perforation 2k, so that the first molding concave die 2f and the first mold insert 2j are slidingly matched, and join with the 4th Rectangular Spring 2i that is arranged in the die shoe 2a under the lock pin end 2h of the first molding concave die 2f.
Vertical afterbody of patrix 1 is provided with second a drift 1f who is slidingly matched, compare with the first drift 1d, the second drift 1f is vertical tail end of close patrix 1 in position, connect the second Rectangular Spring 1g above the second drift 1f, the horizontal front side of patrix 1 vertical afterbody also vertically is provided with two the first pushing block 1h, the second pushing block 1i with patrix 1 interlock and space, and the first pushing block 1h is near the second drift 1f.
Vertical afterbody of counterdie 2 is provided with one and is slidingly matched and the second punch die 2r corresponding with the second drift 1f position, connect the 3rd Rectangular Spring 2s below the second punch die 2r, stripper 2d is upper to be provided with the second transverse slipway 2q that front and back connect corresponding to the second drift 1f and the first pushing block 1h place, a horizontal ejection block 2m is slidingly matched in the second transverse slipway 2q, horizontal ejection block 2m is between the lower end of the first pushing block 1h and the second pushing block 1i, and the rear end of ejection block 2m is near close the second pushing block 1i of the front end of the first pushing block 1h, ejection block 2m.
The lower end rear side of the second pushing block 1i is with inclined-plane 1j, the front side of ejection block 2m is with another inclined-plane 2n that matches with inclined-plane 1j on the second pushing block 1i, upper one second 2p that bores a hole that penetrates and vertically communicate with the second transverse slipway 2q for the second pushing block 1i that is provided with corresponding to the second pushing block 1i place of stripper 2d, the leveling screw 5 that the horizontal front side of counterdie 2 vertical afterbodys also is provided with a regulating spring 4 and cooperates with described regulating spring 4, the front side that the end of thread of bolt 5 passes the second transverse slipway 2q and ejection block 2m spins, and the lower end of the second pushing block 1i has the recessed 1k that dodges bolt 5.
This workpiece bending apparatus is fitted in the heavy lock progressive die, can uses.
Referring to Fig. 1, Fig. 2, Fig. 4: during use, patrix 1 down moves, patrix 1 is pushed down the first molding concave die 2f by the first drift 1d, make the first molding concave die 2f press down tongue S on the workpiece G, realize the first order buckling of tongue S, this time is bent into the bending second time of tongue S, make the elevation angle between tongue S and the workpiece G from obtuse angle state (as shown in Figure 2) to acute angle state (as shown in Figure 4), among Fig. 4 the 14th step punching press treatment step has been expressed the correlation circumstance after for the second time bending of tongue S, meanwhile, by means of the first perforation 2k that is in tilted layout in the first mold insert 2j, also make the first molding concave die 2f that the movement (at this moment, the 4th Rectangular Spring 2i is compressed) of a horizontal direction is arranged; After tongue S experienced this time bending, patrix 1 up moved, and the 4th Rectangular Spring 2i is released, and by its thrust that makes progress, allowed the first molding concave die 2f move horizontally and loosed core, so that loosing core of the first molding concave die 2f is easy to process.
Referring to Fig. 1, Fig. 3, Fig. 4: when patrix 1 down moves again, the second drift 1f down pushes down workpiece G, vertical the first pushing block 1h down pushes down the tongue S on the workpiece G, meanwhile, penetrate the second perforation 2p with the vertical second pushing block 1i of patrix 1 interlock, among the second transverse slipway 2q, and with horizontal ejection block 2m by inclined-plane 1j, inclined-plane 2n matches, allow horizontal ejection block 2m, bolt 5 moves (at this moment towards the blind end direction of tongue S, regulating spring 4 is compressed), make horizontal ejection block 2m prop up the blind end of tongue S, so punching press is processed, realize the again bending of the tongue S on the workpiece G, this time is bent into the crooked for the third time of tongue S, make the elevation angle between tongue S and the workpiece G from acute angle state (as shown in Figure 3) to zero angle state (as shown in Figure 4) substantially, at this moment, tongue S is substantially parallel with workpiece G, tongue S is by 180 ° of general curved, and the step punching press of the 15th among Fig. 4 treatment step has been expressed the correlation circumstance after for the third time bending of tongue S; After tongue S experienced this time bending, patrix 1 up moved, and drove the upper horizontal reset of the second drift 1f, the first pushing block 1h, the second pushing block 1i, and regulating spring 4 is released, so that horizontal ejection block 2m, bolt 5 reverse mobile returns.Be in two not mutual axialities in two groups of corresponding holes on the coplanar and respectively on the workpiece G, can be guaranteed by the mutual coordinated of the second drift 1f, vertical the first pushing block 1h, vertical the second pushing block 1i, the second punch die 2r, horizontal ejection block 2m, regulating spring 4, bolt 5.
In sum, use this workpiece bending apparatus, be easy to realize crooked so that be used for making the workpiece of heavy lock, and the bending effect of workpiece is better.
Above-described only is a kind of embodiment of the present utility model.Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model principle, can also make apparent some conversion or alternative and remodeling, these also should be considered as belonging to protection domain of the present utility model.
Claims (1)
1. the workpiece bending apparatus of heavy lock progressive die, it comprises upper die and lower die and the lead that links to each other, and patrix comprises a upper bolster, connects successively upper padding plate and fixed head below the upper bolster, counterdie comprises a die shoe, connects successively lower bolster, fixed head and stripper above the die shoe;
Vertical afterbody of patrix is provided with first drift that is slidingly matched, connect the first Rectangular Spring above the first drift, vertical afterbody of counterdie is provided with first punch die, the first punch die is comprised of the first molding concave die, the first mold insert, be provided with the first transverse slipway of confession the first molding concave die motion on the stripper corresponding to the first drift place, the curved end of the first molding concave die is pointed to the front side of the first transverse slipway, the first mold insert be arranged on the fixed head and its position corresponding with the rear side of the first transverse slipway;
Vertical afterbody of patrix is provided with second drift that is slidingly matched, compare with the first drift, the second drift is vertical tail end of close patrix in position, connect the second Rectangular Spring above the second drift, the horizontal front side of the vertical afterbody of patrix also vertically is provided with two the first pushing block, the second pushing blocks with patrix interlock and space, and the first pushing block is near the second drift;
Vertical afterbody of counterdie is provided with one and is slidingly matched and second punch die corresponding with the second drift position, connect the 3rd Rectangular Spring below the second punch die, be provided with the second transverse slipway that front and back connect corresponding to the second drift and the first pushing block place on the stripper, a horizontal ejection block is slidingly matched in the second transverse slipway, horizontal ejection block is between the lower end of the first pushing block and the second pushing block, and the rear end of ejection block is near close the second pushing block of the front end of the first pushing block, ejection block;
It is characterized in that:
First perforation that is in tilted layout is arranged in the first mold insert, the upper end open of the first perforation is near the lateral rear of fixed head, the lateral middle of the close fixed head of lower ending opening, angle between the center line of the first perforation and the cross central line of fixed head is acute angle, the lock pin end of the first molding concave die is plugged in the first perforation, so that the first molding concave die and the first mold insert are slidingly matched, and join with the 4th Rectangular Spring that is arranged in the die shoe under the lock pin end of the first molding concave die;
The lower end rear side of the second pushing block is with the inclined-plane, the front side of ejection block is with another inclined-plane that matches with inclined-plane on the second pushing block, be provided with one second perforation that penetrates and vertically communicate with the second transverse slipway for the second pushing block corresponding to the second pushing block place on the stripper, the leveling screw that the horizontal front side of the vertical afterbody of counterdie also is provided with a regulating spring and cooperates with described regulating spring, the front side that the end of thread of bolt passes the second transverse slipway and ejection block spins, and the lower end of the second pushing block has dodges the recessed of bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220280490 CN202655404U (en) | 2012-06-14 | 2012-06-14 | Workpiece bending device for heavy-duty locking device progressive die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220280490 CN202655404U (en) | 2012-06-14 | 2012-06-14 | Workpiece bending device for heavy-duty locking device progressive die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202655404U true CN202655404U (en) | 2013-01-09 |
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ID=47450337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220280490 Withdrawn - After Issue CN202655404U (en) | 2012-06-14 | 2012-06-14 | Workpiece bending device for heavy-duty locking device progressive die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202655404U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688943A (en) * | 2012-06-14 | 2012-09-26 | 北泰汽车底盘***(安徽)有限公司 | Workpiece bending device for heavy lock progressive die |
| CN107321858A (en) * | 2017-08-17 | 2017-11-07 | 昆山嘉华精密工业有限公司 | A kind of stamping die device |
-
2012
- 2012-06-14 CN CN 201220280490 patent/CN202655404U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688943A (en) * | 2012-06-14 | 2012-09-26 | 北泰汽车底盘***(安徽)有限公司 | Workpiece bending device for heavy lock progressive die |
| CN102688943B (en) * | 2012-06-14 | 2014-06-25 | 北泰汽车底盘***(安徽)有限公司 | Workpiece bending device for heavy lock progressive die |
| CN107321858A (en) * | 2017-08-17 | 2017-11-07 | 昆山嘉华精密工业有限公司 | A kind of stamping die device |
| CN107321858B (en) * | 2017-08-17 | 2023-08-18 | 昆山嘉华精密工业有限公司 | Stamping die device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20140625 |
|
| RGAV | Abandon patent right to avoid regrant |