CN204135180U - Garter spring bending die - Google Patents
Garter spring bending die Download PDFInfo
- Publication number
- CN204135180U CN204135180U CN201420522572.1U CN201420522572U CN204135180U CN 204135180 U CN204135180 U CN 204135180U CN 201420522572 U CN201420522572 U CN 201420522572U CN 204135180 U CN204135180 U CN 204135180U
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- mandrel
- garter spring
- module
- wedge
- cope match
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- 238000005452 bending Methods 0.000 title claims abstract description 39
- 230000000694 effects Effects 0.000 claims description 10
- 210000001699 lower leg Anatomy 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 14
- 238000007493 shaping process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 210000003128 Head Anatomy 0.000 description 3
- 210000001331 Nose Anatomy 0.000 description 2
- 230000000994 depressed Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000003068 static Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000903 blocking Effects 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model discloses a kind of garter spring bending die, comprise the upper die and lower die cooperatively interacted; Described patrix comprises cope match-plate pattern, is installed on the briquetting of described cope match-plate pattern both sides respectively, and is connected to the cylindric mandrel in the middle part of described cope match-plate pattern, and described mandrel protrudes from described briquetting; Described counterdie comprises lower bolster, is individually fixed in the wedge that described lower bolster both sides are relative, is arranged at the module on each described wedge inclined-plane, and with the elastic supporting mechanism of model calling, described elastic supporting mechanism is connected with lower bolster; Between two relative described modules, there is space, form the work strip and arc die cavity that are interconnected, and described die cavity and mandrel form fit.By this garter spring bending die, once the extruding of bar strip shape blank can be bent into garter spring, mould structure simpler production is convenient, decreases processing technology, improves operating efficiency.
Description
Technical field
The utility model relates to diel field, particularly a kind of garter spring bending die.
Background technology
Garter spring part is all very common in industrial structure part and Metal Structural Parts, but its traditional processing method could will be shaped by 3 ~ 4 procedures.In its process, will utilize 3 ~ 4 cover shaping dies and 3 ~ 4 punch presses on the one hand, every mold and punch press then need outfit operative employee, and production cost is comparatively large, also cannot meet large batch of Production requirement.On the other hand, the operation of shaping is more, then the dimensional accuracy of product will be lower, occurs even more waste product.The technical problem of main in conventional art, most critical: operation is many, and cost is high, and efficiency is low; Dimensional accuracy is low, easily occurs waste product.And adding the management difficulty of production scene, product, in operation transfer process, easily collides, the quality of infringement product.
Summary of the invention
Based on this, for solving the too much problem of above-mentioned garter spring manufacturing procedure, the utility model provides a kind of garter spring bending die.
Its technical scheme is as follows:
A kind of garter spring bending die, comprises the upper die and lower die cooperatively interacted; Described patrix comprises cope match-plate pattern, is installed on the briquetting of described cope match-plate pattern both sides respectively, and is connected to the cylindric mandrel in the middle part of described cope match-plate pattern, and described mandrel protrudes from described briquetting; Described counterdie comprises lower bolster, is individually fixed in the wedge that described lower bolster both sides are relative, is arranged at the module on each described wedge inclined-plane, and with the elastic supporting mechanism of both sides model calling, described elastic supporting mechanism is connected with lower bolster; Between two relative described modules, there is space, form the work strip and arc die cavity that are interconnected, and described die cavity and mandrel form fit.
Blank is placed in two modules of alignment, and die cavity position is aimed at the middle part of this blank, and mandrel aims at the middle part of blank.In a non-operative state, elastic supporting mechanism can be held module and blank and keeps static; During work, patrix presses down to module direction under external force, and the briquetting on patrix is pressing down in process and at module place, blank can bent to U-shaped; Upper die briquetting continues to press down, briquetting can start to oppress module and glide along wedge inclined-plane, elastic supporting mechanism can be depressed, gap between two modules reduces, module can continue the blank of bending extruding U-shaped, now mandrel also continues to go downwards in die cavity, and die cavity can squeeze into one step forming to half nose circle of U-shaped blank; Patrix continues to press down, until two modules go downwards to overlap approximate with arbor portions, under the extruding flecition of briquetting and module, the opening portion of U-shaped blank is also squeezed into circular arc, blank is completely bending is wrapped in mandrel surface, thus blank is processed into a complete garter spring.
Below a kind of technical scheme is further described:
Preferably, described patrix also comprises mandrel connector, and described connecting mandrel end, mandrel connector one end and the other end connect cope match-plate pattern.Connector is utilized to be connected with cope match-plate pattern by mandrel from end, when making External Force Acting on cope match-plate pattern, mandrel can be promoted down move, and mandrel is squeezed in bending process entering blank in die cavity, mandrel connector can be positioned at the outside of counterdie always, can not interfere with lower die structure, ensure that garter spring is shaped and carry out smoothly.
Preferably, described patrix also comprises flange, and described flange is connected between described mandrel and cope match-plate pattern.Flange is set above mandrel, the convenient kink in the end forming garter spring.Flange can keep blank extruding in bending process, and the end of blank remains separation, thus forms outstanding kink in the end of garter spring.
Preferably, described cope match-plate pattern is also provided with die shank.By arranging die shank, pressure can be applied to cope match-plate pattern easily, mandrel and briquetting are pressed down.
Preferably, described elastic support structure comprises the supporting plate of support two modules, at least one push rod be connected with described supporting plate, the lower push pedal be connected with described push rod, and is installed on the spring under described lower push pedal.This elastic support structure is formed and plays ejection device, in off working state with can provide support for module to the work initial stage, is conveniently extruded by blank and bends to U-shaped; After end-of-job, when patrix removes counterdie applied pressure, this bullet ejection device by module resets, can strut by two modules, is conveniently pipetted out by the garter spring of mandrel and shaping.
Preferably, described counterdie also comprises the shrouding be arranged on outside described wedge and module, and described wedge is fixedly connected with described shrouding; Described shrouding is provided with chute, and the bevel direction of described chute and wedge is consistent, and described module is flexibly connected with described shrouding by chute.Utilize shrouding wedge and module can be fixed, prevent from skidding off from side during module pressurized, and by arranging chute on shrouding, module can be made still to be free to slide on the inclined-plane of wedge.
Preferably, each described wedge inclined-plane arranges groove, and described module activities is installed in this groove.In addition, also by arranging the form of groove on wedge inclined-plane, module being slided in a groove, playing the effect of slide rail and stopper slot simultaneously.
Preferably, described counterdie also comprises one end and is fixed on described wedge that the other end covers the location-plate in described module.By arranging location-plate on counterdie, can, from positioning module, module be avoided to skid off due to the elastic force effect of elastic supporting mechanism above.In addition, also can carry out spacing from two ends to the blank be placed in module.
The utility model has following beneficial effect:
1, traditional multiple working procedure is reduced to a procedure, reduces technological process, enhance productivity;
2, many molds are reduced to a set of, make Mold Making simple, easy to operate;
3, decrease mould, decrease operative employee, thus reduce cost;
4, various volume circle part is applicable to, applied widely.
Accompanying drawing explanation
Fig. 1 is the partial schematic sectional view of garter spring bending die described in the utility model embodiment;
Fig. 2 is that schematic diagram is looked on a left side of Fig. 1;
Fig. 3 is the schematic diagram of the mandrel of garter spring bending die described in the utility model embodiment when contacting with blank;
Fig. 4 is the mandrel of garter spring bending die described in the utility model embodiment schematic diagram when blank being pressed into U-shaped;
Schematic diagram when Fig. 5 is two module extruding bending blank of garter spring bending die described in the utility model embodiment;
Fig. 6 is two modules of garter spring bending die described in the utility model embodiment schematic diagrames when closing bending forming garter spring;
Fig. 7 is the schematic diagram of garter spring of being shaped described in the utility model embodiment.
Description of reference numerals: 100-patrix, 110-die shank, 120-cope match-plate pattern, 130-briquetting, 140-mandrel connector, 150-mandrel, 152-mandrel lock-screw, 160-flange, 170-flange fixed head, 200-counterdie, 210-lower bolster, 212-flange, 220-wedge, 230-module, 232-die cavity, 234-work strip, 240-shrouding, 242-chute, 250-supporting plate, 252-push rod, push pedal under 260-, 270-spring, 280-location-plate, 300-garter spring, 310-garter spring kink, 400-blank.
Detailed description of the invention
Below embodiment of the present utility model is described in detail:
As shown in Figure 1 to Figure 2, a kind of garter spring bending die, comprises the patrix 100 and counterdie 200 that cooperatively interact.This patrix 100 comprises cope match-plate pattern 120, is installed on the briquetting 130 of cope match-plate pattern 120 both sides respectively, and is connected to the cylindric mandrel 150 in the middle part of cope match-plate pattern 120, and mandrel 150 protrudes from briquetting 130.Cope match-plate pattern 120 is also provided with die shank 110.By arranging die shank 110, pressure can be applied to cope match-plate pattern 120 easily, mandrel 150 and briquetting 130 are pressed down.
This counterdie 200 comprises lower bolster 210, is individually fixed in the wedge 220 that lower bolster 210 both sides are relative.And the two ends of lower bolster 210 are also provided with flange 212, for blocking wedge 220 from both sides, can carry out spacing to wedge 220, below lower bolster 210, wedge 220 being fixed with screw in addition.In addition, each wedge 220 has an inclined-plane, and the inclined-plane of two wedges 220 is relative, forms a up big and down small trapezoid-shaped openings.Bevel inclination angle herein can adjust according to actual conditions, preferred inclination of 50 degrees angle in the present embodiment.Counterdie 200 also comprises the module 230 be arranged on each wedge 220 inclined-plane, and each module 230 coordinated with wedge 220 is also provided with a module inclined-plane coordinated with wedge inclined-plane, and module 230 can be free to slide along the inclined-plane of wedge 220.Counterdie 200 is also provided with the elastic supporting mechanism be connected with both sides module 230, and this elastic supporting mechanism is supported in below two modules 230 particularly, and this elastic supporting mechanism is connected with lower bolster 210.Between two relative modules 230, there is space, form the work strip 234 and arc die cavity 232 that are interconnected, and the form fit of die cavity 232 and mandrel 150.In addition, groove can also be offered in work strip and die cavity wall, just blank can be embedded in described groove during work, blank is positioned, avoid blank in extruding BENDING PROCESS out of shape.
The patrix 100 of this garter spring bending die also comprises mandrel connector 140, and this connecting mandrel end, mandrel connector 140 one end and the other end connect cope match-plate pattern 120.Connector is utilized to be connected with cope match-plate pattern 120 from end by mandrel 150, when making External Force Acting on cope match-plate pattern 120, mandrel 150 can be promoted down move, and mandrel 150 is squeezed in bending process entering blank 400 in die cavity 232, mandrel connector 140 can be positioned at the outside of counterdie 200 always, can not interfere with lower die structure, ensure that garter spring 300 is shaped and carry out smoothly.Particularly, mandrel 150 is mounted on mandrel connector 140 1 end by mandrel lock-screw 152 and locking nut, and mandrel connector 140 the other end is connected by screw in cope match-plate pattern 120, simple and convenient.Mandrel connector 140 is herein a support plate.
In addition, this patrix 100 also comprises flange 160, and this flange 160 is connected between mandrel 150 and cope match-plate pattern 120.Flange 160 is set above mandrel 150, is beneficial to and in the end forms garter spring kink 310.Flange 160 can make blank 400 extrude in bending process, keeps the end of blank 400 to be in released state all the time, thus forms outstanding garter spring kink 310 in the end of garter spring 300.And, flange 160 is connected to below cope match-plate pattern 120, be positioned at directly over mandrel 150, and be also respectively arranged with flange fixed head 170 in the both sides of flange 160, this flange fixed head 170 is connected by screw and is fixed on cope match-plate pattern 120, fix from both sides by flange 160, be convenient to the garter spring kink 310 of shaping garter spring 300 external part.
And, the elastic support structure that the counterdie 200 of this garter spring bending die is arranged, it comprises the supporting plate 240 of support two modules 230, at least one push rod 252 be connected with supporting plate 250, the lower push pedal 260 be connected with push rod 252, and be installed on the spring 270 under lower push pedal 260.Module 230 is held up by supporting plate 250, and under the effect of spring 270, a pretension elastic force is upwards applied to module 230, module 230 can not be glided easily, additionally by arranging lower push pedal 260 and Duo Gen push rod 252, make supporting plate 250 stressed evenly, make the module 230 of both sides all can keep good stability, there will not be both sides module 230 unbalance stress, and cause module 230 on one side to glide and situation that another side module 230 blocks (or translational speed is different) occurs, and affect the shaping of garter spring 300.This elastic support structure formed play ejection device, off working state and can give the work initial stage can provide support for module 230, be beneficial to by blank 400 extrude bend to U-shaped; After end-of-job, when patrix 100 pairs of counterdie 200 applied pressures remove, under elastic force effect, module 230 can reset by this bullet ejection device, struts by two modules 230, and the convenient garter spring 300 by mandrel 150 and shaping pipettes out.And the spring 270 of this elastic support structure can be connected in lower bolster 210 upper surface, and lower push pedal 260 and push rod 252 are all arranged between lower bolster 210 and supporting plate 250; In addition, this spring 270 and lower push pedal 260 all can be arranged at below lower bolster 210, and spring 270 and external structure are connected and fixed, and push rod 252 also can move freely through described lower bolster 210.
In addition, this counterdie 200 also comprises the shrouding 240 be arranged on outside wedge 220 and module 230, and wedge 220 is fixedly connected with shrouding 240, is fixed on wedge 220 by shrouding 240 particular by multiple shrouding screw.And, shrouding 240 is also provided with chute 242, this chute 242 is consistent with the bevel direction of wedge 220, and module 230 is flexibly connected with shrouding 240 by chute 242, realize particular by arranging slide guide screw (not indicating in figure) and be connected in the chute 242 of shrouding 240 in module 230, module 230 is when mobile, and slide guide screw slides in chute 242.Utilize shrouding 240 wedge 220 and module 230 can be fixed, prevent from skidding off from side during module 230 pressurized, and by arranging chute 242 on shrouding 240, module 230 can be made still to be free to slide on the inclined-plane of wedge 220.Be provided with shrouding 240 in the both sides of counterdie 200, carry out spacing from both sides to wedge 220 and module 230.Further, every side all can arrange two blocks of shroudings separated 240, makes the die cavity 232 formed between two modules 230 keep being communicated with extraneous, facilitates mandrel 150 to pass in and out die cavity 232, and can not produce with module 230 or shrouding 240 and interfere.
In addition, groove can also be set on the inclined-plane of each wedge 220, and module 230 is movably installed in this groove.Namely by arranging the form of groove on wedge inclined-plane, module 230 is slided in a groove, and now groove plays the effect of slide rail and stopper slot simultaneously.In this way, can not need on shrouding 240, to arrange chute 242 link block 230 again, only need carry out spacing to module 230 by groove.In addition, also can, in conjunction with above-mentioned two situations, namely utilize the chute 242 on the groove of wedge 220 and shrouding 240 to carry out spacing to module 230 simultaneously.
In addition, counterdie 200 also comprises one end and is fixed on wedge 220 that the other end covers the location-plate 280 in module 230.By arranging location-plate 280 at the upper surface of counterdie 200, can position module 230 from upper surface, avoiding module 230 to skid off due to the elastic force effect of elastic supporting mechanism.Be provided with location-plate 280 at the two ends of counterdie 200, conveniently carry out spacing to the module 230 on both sides, also can carry out spacing to the blank 400 be placed in module 230 simultaneously.Location-plate 280 is installed on wedge 220 upper surface by hold-down screw.
As shown in Fig. 3 to Fig. 7, the course of work of this garter spring bending die is as follows:
Before punching press starts, module 230, supporting plate 250 by push rod 252 and lower push pedal 260, spring 270 bullet top to the concordant horizontal level of wedge 220, blank 400 is placed in two modules 230 of alignment, die cavity position is aimed at the middle part of this blank 400, and mandrel 150 aims at the middle part of blank 400.Location-plate 280 had not only located blank but also spacing wedge 220 position.Now, two pieces of modules 230 are in left and right separated position each other.In a non-operative state, elastic supporting mechanism can hold module 230 and blank 400 keeps static;
When punching press starts, patrix 100 presses down to module 230 direction of counterdie under external force, mandrel 150 is pressing down work strip 234 place that can be formed in counterdie module in process, blank 400 is bent to U-shaped, at this moment punching press U-shaped bending force is born by elastic supporting mechanism, the bending force of the bullet top dynamic balance pre-bending U-shaped of elastic supporting mechanism;
When punching press is carried out further, patrix 100 continues to press down, briquetting 130 below cope match-plate pattern 120 contacts with module 230, upper die briquetting 130 can start to oppress module 230 and glide along wedge 220 inclined-plane, elastic supporting mechanism can be depressed, gap between two modules 230 reduces, work strip 234 can continue the blank 400 of bending extruding U-shaped, now mandrel 150 also continues to go downwards in the die cavity 232 formed between two modules, and die cavity 232 can carry out further extrusion molding to half nose circle of U-shaped blank 400; Patrix 100 continues to press down, until two modules 230 go downwards to work strip 234 part approximately to overlap (namely two module close to together), under the extruding flecition of work strip 234 and die cavity 232, the opening portion of U-shaped blank 400 is also squeezed into circular arc, blank 400 is completely bending is wrapped in mandrel 150 surface, thus blank 400 is processed into a complete garter spring 300; Meanwhile, the end of flange to blank of patrix acts on, and forms garter spring kink 310.
After garter spring 300 processes, on patrix 100, applied pressure is withdrawn, module 230 backhaul under the elastic force effect of elastic supporting mechanism is slided, under the chute 242 of slide guide screw and shrouding 240 acts on, module 230 one side rises, one side divide right and left in the horizontal direction, when two modules 230 horizontally separated to certain position time, garter spring 300 part processed can be taken off from mandrel 150.
This garter spring bending die adopts the principle playing ejection device and Wedge forming, adopts one set of die just to complete the shaping of part.The bullet ejection device (i.e. elastic supporting mechanism) be made up of lower push pedal 260, spring 270, push rod 252 and supporting plate 250; Wedge forming structure is formed with slide guide screw by module 230, wedge 220, shrouding 240.
The above embodiment only have expressed detailed description of the invention of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (8)
1. a garter spring bending die, is characterized in that, comprises the upper die and lower die cooperatively interacted;
Described patrix comprises cope match-plate pattern, is installed on the briquetting of described cope match-plate pattern both sides respectively, and is connected to the cylindric mandrel in the middle part of described cope match-plate pattern, and described mandrel protrudes from described briquetting;
Described counterdie comprises lower bolster, is individually fixed in the wedge that described lower bolster both sides are relative, is arranged at the module on each described wedge inclined-plane, and with the elastic supporting mechanism of both sides model calling, described elastic supporting mechanism is connected with lower bolster;
Between two relative described modules, there is space, form the work strip and arc die cavity that are interconnected, and described die cavity and mandrel form fit.
2. garter spring bending die according to claim 1, is characterized in that, described patrix also comprises mandrel connector, and described connecting mandrel end, mandrel connector one end and the other end connect cope match-plate pattern.
3. garter spring bending die according to claim 1, is characterized in that, described patrix also comprises flange, and described flange is connected between described mandrel and cope match-plate pattern.
4. garter spring bending die according to claim 1, is characterized in that, described cope match-plate pattern is also provided with die shank.
5. garter spring bending die according to claim 1, it is characterized in that, described elastic support structure comprises the supporting plate of support two modules, at least one push rod be connected with described supporting plate, the lower push pedal be connected with described push rod, and be installed on the spring under described lower push pedal.
6. the garter spring bending die according to claim 1-5 any one, it is characterized in that, described counterdie also comprises the shrouding be arranged on outside described wedge and module, described wedge is fixedly connected with described shrouding;
Described shrouding is provided with chute, and the bevel direction of described chute and wedge is consistent, and described module is flexibly connected with described shrouding by chute.
7. the garter spring bending die according to claim 1-5 any one, is characterized in that, each described wedge inclined-plane arranges groove, and described module activities is installed in this groove.
8. the garter spring bending die according to claim 1-5 any one, is characterized in that, described counterdie also comprises one end and is fixed on described wedge that the other end covers the location-plate in described module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420522572.1U CN204135180U (en) | 2014-09-11 | 2014-09-11 | Garter spring bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420522572.1U CN204135180U (en) | 2014-09-11 | 2014-09-11 | Garter spring bending die |
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| Publication Number | Publication Date |
|---|---|
| CN204135180U true CN204135180U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420522572.1U Expired - Fee Related CN204135180U (en) | 2014-09-11 | 2014-09-11 | Garter spring bending die |
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| CN (1) | CN204135180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350346A (en) * | 2017-08-24 | 2017-11-17 | 嘉善誉丰汽车零件有限公司 | Circle wheel buckle forming equipment |
| CN112916689A (en) * | 2021-01-25 | 2021-06-08 | 赵海勇 | Bone fracture plate forming machine for bone fracture materials in orthopedic surgery |
-
2014
- 2014-09-11 CN CN201420522572.1U patent/CN204135180U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350346A (en) * | 2017-08-24 | 2017-11-17 | 嘉善誉丰汽车零件有限公司 | Circle wheel buckle forming equipment |
| CN112916689A (en) * | 2021-01-25 | 2021-06-08 | 赵海勇 | Bone fracture plate forming machine for bone fracture materials in orthopedic surgery |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20200911 |
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| CF01 | Termination of patent right due to non-payment of annual fee |