CN203649293U - Device for machining limited force torsion bar of auto safety belt - Google Patents
Device for machining limited force torsion bar of auto safety belt Download PDFInfo
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- CN203649293U CN203649293U CN201320690366.7U CN201320690366U CN203649293U CN 203649293 U CN203649293 U CN 203649293U CN 201320690366 U CN201320690366 U CN 201320690366U CN 203649293 U CN203649293 U CN 203649293U
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Abstract
The utility model discloses a device for machining a limited force torsion bar of an auto safety belt. The device comprises a cold heading machine, as well as a first pier head mould, a first gear cutting mould, a second pier head mould and a second gear cutting mould which are arranged on the cold heading machine, wherein each mould comprises a stamping mould and a female mould; each stamping mould is mounted on a stamping mould seat of the cold heading machine; each female mould is mounted on a lower mould seat of the cold heading machine; each stamping mould is driven by a main sliding block to perform straight reciprocating movements on the cold heading machine, so as to achieve molding machining for a workpiece; the workpiece is passed between moulds by clamps. According to the utility model, all the machining procedures are continuously completed in the same cold heading machine, so that the materials of the work piece do not need to be carried and automatic loading and automatic blanking are achieved; a clamping mechanism used for automatically passing the work piece is arranged on the cold heading machine, so that the transmitting speed of the work piece between each procedure can be greatly improved. Therefore, compared with the prior art, the device provided by the utility model has the advantage that the production efficiency of the equipment is remarkably improved.
Description
Technical field
The utility model relates to car belt limiter torsion bar processing and manufacturing technical field, relates in particular to a kind of processing automobile safety belt limiter torsion bar device.
Background technology
Car belt limiter torsion bar is the strength member in car belt assembly, and its overall structure is that two ends have the wasp waist type rod member with tooth pier nose structure.Due to reasons such as part technical requirement are high, moulding process is immature, at present, the car belt limiter torsion bar of China is main dependence on import still, domestic only have minority components supplying business adopting traditional smear metal processing technology, or adopt the discontinuous cold forming processing technology of multimachine device multi-step to produce this type of part.
Prior art mainly adopts the discontinuous contour machining procedure of multimachine device multi-step to process part, the processes such as heading, trimming, wasp waist moulding is divided into independently operation, processes respectively with different processing machines.Existing process is specific as follows: first with a set of punch press and mould, workpiece is carried out to T shape pier nose, i.e. the first pier nose 01; Transfer to again on another set of punch press and mould the first pier nose 01 is carried out to cutting, form the first cutting 02; Then transfer to the other end T shape heading that carries out workpiece on clapper die spotting press, i.e. the second pier nose 03; Finally transfer to again and on another set of punch press and mould, cut another end tooth, i.e. the second cutting 04.
In the prior art, if mold exchange and will allow processing carry out continuously more not at least needs 4 machining tools, and in the time that multimachine is produced, material loading and the blanking that need to carry out repeatedly operate, and between operation, also need the carrying of workpiece material; Simultaneously; because clapper die spotting press is in the market single process equipment; and be not furnished with blank and operation conveying device; so; its material loading and processing beat are slow; unit process velocity is conventionally between 30 to 50 per minute, then process time of operation before and after considering, its general tempo is slower.Visible, there is the shortcoming that working (machining) efficiency is low in prior art.
In addition, because each operation is processed on different machines, so the change of its workpiece location and method of clamping and benchmark, can the corresponding stability that affects Product Precision.Difference between difference, mould and die accuracy between accuracy of machines and the precision of clapper die spotting press itself have determined the lower and poor dimensional stability of the accuracy class of final products.Use punch press to coordinate Mould Machining, the machining accuracy that can realize is about IT10～14, and the machining accuracy of clapper die spotting press, approximately in peer-level, is difficult to meet the required precision of car belt limiter torsion bar.In addition, in some traditional smear metal processing technology, also exist the problem that stock utilization is low, its stock utilization only has an appointment 70%.
Therefore, the low problem of production efficiency while how solving processing and manufacturing car belt limiter torsion bar, is the current technical issues that need to address of those skilled in the art.
Utility model content
In view of this, the utility model provides a kind of processing automobile safety belt limiter torsion bar device, for solving the problem that its production efficiency is low.
In order to address the above problem, the utility model provides a kind of processing automobile safety belt limiter torsion bar device, comprising:
Cold headers, described cold headers comprise workbench, master slider and for the die shoe of multiple punch dies is installed, described die shoe is connected in described master slider and does straight reciprocating motion under the drive of described master slider, described cold headers also comprise be fixed on described workbench for the die socket of multiple dies is installed, described die socket is provided with multiple clamps for transferring work piece, and described die socket and described die shoe are oppositely arranged;
The first pier nose mould, comprise the first punch die that is connected in described die shoe and the first die that is connected in described die socket, described the first die is provided with the first matrix cavity for placing described workpiece, described the first punch die is provided with the first drift being oppositely arranged with described the first matrix cavity, and between described the first drift and described the first matrix cavity, be provided with the space of the first pier nose for processing described workpiece, in described the first matrix cavity, be also provided with the first die thimble for ejecting described workpiece;
The first cutting mould, comprise the second punch die that is connected in described die shoe and the second die that is connected in described die socket, described the second die is provided with the second matrix cavity for placing described workpiece, described the second punch die is provided with the second drift being oppositely arranged with described the second matrix cavity, and the openend of described the second matrix cavity is provided with die cutting knife, in described the second matrix cavity, be also provided with the second die thimble for ejecting described workpiece;
The second pier nose mould, comprise the 3rd punch die that is connected in described die shoe and the 3rd die that is connected in described die socket, described the 3rd punch die is provided with the 3rd drift, described the 3rd die is provided with the 3rd matrix cavity of bellmouth structure and for ejecting the 3rd die thimble of described workpiece, and the bigger diameter end of described the 3rd matrix cavity is relative with described the 3rd drift, between the miner diameter end of described the 3rd matrix cavity and described the 3rd die thimble, be provided with the space of the second pier nose for processing described workpiece, in described the 3rd matrix cavity, be provided with that folding for clamping described workpiece is inserted and for controlling the described folding scattered spring of inserting, described folding is inserted and in described the 3rd matrix cavity, do straight reciprocating motion under the drive of described the 3rd drift and described spring,
The second cutting mould, comprise the 4th punch die that is connected in described die shoe and the 4th die that is connected in described die socket, described the 4th punch die is provided with the die cavity for holding described workpiece, described the 4th die is provided with the die drift being oppositely arranged with described die cavity, and the openend of described die cavity is provided with punch die cutting knife, in described die cavity, be also provided with the punch die thimble for ejecting described workpiece.
Preferably, described the first cutting mould also comprises that being positioned at first of described the second drift periphery moves back bits plate, described the second drift can with described first move back bits plate do relative straight reciprocating motion.
Preferably, one end that described die drift is relative with described punch die cutting knife is provided with second and moves back bits plate, described die drift can with described second move back bits plate do relative straight reciprocating motion.
Preferably, the end of described the first drift, described the second drift, described the 3rd drift and described punch die thimble is provided with the first groove for preventing described workpiece rotation.
Preferably, the end of described the 3rd die thimble and described die drift is equipped with the second groove for preventing described workpiece rotation.
Preferably, described the first groove and described the second groove are the groove of right-angled intersection.
Preferably, the inner surface of described the 3rd matrix cavity is taper seat, and the outer surface that described folding is inserted in the time merging can be fitted with the inner surface of described the 3rd matrix cavity.
Preferably, described folding is inserted and is divided into four and inserts.
Preferably, two sides of inserting described in each are equipped with spring groove, between inserting, are all connected with Compress Spring described in every two, and the two ends of described Compress Spring are connected in the described spring groove of inserting described in adjacent two.
A kind of processing automobile safety belt limiter torsion bar device that the utility model provides, comprise cold headers and be arranged at the first pier nose mould, the first cutting mould, the second pier nose mould and the second cutting mould on cold headers, each mould comprises punch die and die two parts, punch die is installed on the die shoe of cold headers, die is installed on the die socket of cold headers, punch die can do straight reciprocating motion under the drive of cold headers master slider, to realize the processing and forming to workpiece, between each mould, pass through clamp transferring work piece.All manufacturing procedures of this programme all complete continuously on same cold headers, without the carrying of carrying out workpiece material, and automatic charging and automatic blanking are realized, cold headers are provided with the clamping mechanism for automatic transferring work piece, can greatly improve the transmission speed of workpiece at each inter process, compared with prior art, the production efficiency of this programme obviously improves.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the Workpiece structure schematic diagram after the first operation of processing automobile safety belt limiter torsion bar;
Fig. 2 is the structural representation of the first pier nose of car belt limiter torsion bar;
Fig. 3 is the Workpiece structure schematic diagram after the second operation of processing automobile safety belt limiter torsion bar;
Fig. 4 is the structural representation of the first cutting of car belt limiter torsion bar;
Fig. 5 is the Workpiece structure schematic diagram after the 3rd operation of processing automobile safety belt limiter torsion bar;
Fig. 6 is the Workpiece structure schematic diagram after the 4th operation of processing automobile safety belt limiter torsion bar;
Fig. 7 is the first pier nose mould structure schematic diagram in the utility model specific embodiment scheme;
Fig. 8 is the first cutting mould structure schematic diagram in the utility model specific embodiment scheme;
Fig. 9 is the second pier nose mould structure schematic diagram in the utility model specific embodiment scheme;
Figure 10 is the second cutting mould structure schematic diagram in the utility model specific embodiment scheme;
Figure 11 is clamp and the mould arrangement schematic diagram in the utility model specific embodiment scheme;
In Fig. 1 to Fig. 6:
The first pier nose-01, the first cutting-02, the second pier nose-03, the second cutting-04;
In Fig. 7 to Figure 11:
Die shoe-1, the first punch die-2, the first drift-3, workpiece-4, the first die-5, the first die thimble-6, the first die cushion block-7, die socket-8, the second punch die-9, first pushes away bits plate thimble-10, first pushes away bits plate-11, the second drift-12, die cutting knife-13, the second die-14, the second die thimble-15, the second die cushion block-16, the 3rd punch die-17, the 3rd drift-18, the 3rd die-19, folding inserts-20, the 3rd die thimble-21, the 3rd die cushion block-22, the 4th punch die-23, punch die thimble-24, die cavity-25, punch die cutting knife-26, second pushes away bits plate-27, die drift-28, the 4th die-29, the 4th die cushion block-30, clamp-31.
The specific embodiment
Core of the present utility model is to provide a kind of processing automobile safety belt limiter torsion bar device, for solving the problem that its production efficiency is low.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 7 to Figure 11, Fig. 7 is the first pier nose mould structure schematic diagram in the utility model specific embodiment scheme; Fig. 8 is the first cutting mould structure schematic diagram in the utility model specific embodiment scheme; Fig. 9 is the second pier nose mould structure schematic diagram in the utility model specific embodiment scheme; Figure 10 is the second cutting mould structure schematic diagram in the utility model specific embodiment scheme; Figure 11 is clamp and the mould arrangement schematic diagram in the utility model specific embodiment scheme.
In a kind of specific embodiment, this programme provides a kind of processing automobile safety belt limiter torsion bar device, this processing unit (plant) has adopted multistage cold former (hereinafter to be referred as cold headers), the continuously shaped mould of design multistation, by cold forging cold-extrusion technology, car belt limiter torsion bar is carried out to processing and forming.Owing to adopting the continuously shaped mould of multistation, so this programme has been successively set on four operation moulds used of processing work on cold headers, the mould of each station includes punch die and die two parts.
Concrete, the cold headers in this programme mainly comprise workbench, master slider and for the die shoe 1 of multiple punch dies is installed, die shoe 1 is connected in master slider and can under the drive of master slider, does straight reciprocating motion, to realize the processing and forming to workpiece 4.Cold headers also comprise be fixed on workbench for the die socket 8 of multiple dies is installed, die socket 8 is oppositely arranged with die shoe 1, die socket 8 is provided with multiple clamps 31 for transferring work piece 4, be to carry out transferring work piece 4 by clamp 31 between adjacent two moulds, clamp 31 does oscillating traverse motion under the drive of cam drive between adjacent two moulds, and the end of adjacent two clamps 31 is provided with the jaw for clamping and carry workpiece 4.Processing mold in this programme comprises: the first pier nose mould, the first cutting mould, the second pier nose mould and the second cutting mould.
Wherein, the first pier nose mould comprises the first punch die 2 that is connected in die shoe 1 and the first die 5 that is connected in die socket 8, the first die 5 is provided with the first matrix cavity for place work piece 4, the first punch die 2 is provided with the punch die shell being oppositely arranged with the first matrix cavity, in this punch die shell, be provided with the first drift 3, and between the first drift 3 and the first matrix cavity, be provided with reserved space, this space be for the first pier nose of processing work 4 reserved.The first die thimble 6, the first die thimbles 6 that are also provided with in the first matrix cavity for ejecting workpiece 4 can do straight reciprocating motion under the drive of cold headers transmission mechanism in the first matrix cavity, thereby realize the object that ejects workpiece 4.The first die 5 is also provided with for adjusting mould fitting depth and slowing down the first die cushion block 7 of impact.
The first cutting mould comprises the second punch die 9 that is connected in die shoe 1 and the second die 14 that is connected in die socket 8, the second die 14 is provided with the second matrix cavity for place work piece 4, the second punch die 9 is for to be connected in the punch die push rod of die shoe 1 and to be provided with the second drift 12 being oppositely arranged with the second matrix cavity, and the openend of the second matrix cavity is provided with die cutting knife 13, in the second matrix cavity, be also provided with the second die thimble 15 for ejecting workpiece 4, the second die thimble 15 can do straight reciprocating motion under the drive of cold headers transmission mechanism in the second matrix cavity, thereby realize the object that ejects workpiece 4.The second die 14 is also provided with for adjusting mould fitting depth and slowing down the second die cushion block 16 of impact.
The second pier nose mould comprises the 3rd punch die 17 that is connected in die shoe 1 and the 3rd die 19 that is connected in die socket 8, the 3rd punch die 17 is provided with the 3rd drift 18, the 3rd die 19 is provided with the 3rd matrix cavity of bellmouth structure and for ejecting the 3rd die thimble 21 of workpiece 4, and the bigger diameter end of the 3rd matrix cavity is relative with the 3rd drift 18, between the miner diameter end of the 3rd matrix cavity and the 3rd die thimble 21, be provided with the space for the second pier nose of processing work 4, in the 3rd matrix cavity, be provided with for the folding of holding workpiece 4 and insert 20 and for controlling the folding 20 scattered springs of inserting, folding is inserted and 20 under the drive of the 3rd drift 18 and spring, in the 3rd matrix cavity, is done straight reciprocating motion.The 3rd die 19 is also provided with for adjusting mould fitting depth and slowing down the 3rd die cushion block 22 of impact.
The second cutting mould comprises the 4th punch die 23 that is connected in die shoe 1 and the 4th die 29 that is connected in die socket 8, the 4th punch die 23 is provided with the die cavity 25 for holding workpiece 4, the 4th die 29 is provided with the die drift 28 being oppositely arranged with die cavity 25, and the openend of die cavity 25 is provided with punch die cutting knife 26, in die cavity 25, be also provided with the punch die thimble 24 for ejecting workpiece 4, punch die thimble 24 can do straight reciprocating motion under the drive of cold headers transmission mechanism in die cavity 25, thereby realizes the object that ejects workpiece 4.The 4th die 29 is also provided with for adjusting mould fitting depth and the 4th die cushion block 30 that slows down impact.
The specific works process of the processing unit (plant) in this programme is as follows:
The first operation is carried out at the first pier nose mould, for the first pier nose moulding of processing work 4, clamp 31 is passed to the bar cutting between the first punch die 2 and the first die 5, the first drift 3 and the first die thimble 6 clamp the two ends of workpiece 4, 31 of clamps unclamp workpiece 4, then, the first punch die 2 moves to the first die 5 under the drive of cold headers master slider, between the first drift 3 and the first matrix cavity, be reserved with space, so, one end that stretches out in the first matrix cavity of workpiece 4 forms the first pier nose under the punching press of the first drift 3, last the first drift 3 retreats, workpiece 4 is ejected the first matrix cavity by the first die thimble 6, the first pier nose operation of workpiece 4 has just completed,
The second operation is that the first pier nose of workpiece 4 is carried out to cutting, process at the first cutting mould, clamp 31 by one end the workpiece 4 of pier nose be passed between the second punch die 9 and the second die 14, the second drift 12 and the second die thimble 15 clamp the two ends of workpiece 4, 31 of clamps unclamp workpiece 4, then, the second punch die 9 moves to the second die 14 under the drive of cold headers master slider, the second drift 12 is flushed to die cutting knife 13, the second die thimble 15 retreats, the second drift 12 is just pressed into the second matrix cavity workpiece 4, the blade of die cutting knife 13 is wiped out the clout of the first pier nose of workpiece 4, form profile of tooth, finally, the second drift 12 retreats, workpiece 4 is ejected the second matrix cavity by the second die thimble 15, the first cutting operation of workpiece 4 completes,
The 3rd operation is that the other end of workpiece 4 is carried out to pier nose, process at the second pier nose mould, first, the workpiece 4 that one end has been cut tooth by clamp 31 is passed between the 3rd punch die 17 and the 3rd die 19, now, folding is inserted and 20 is positioned at the outside dimension that the bigger diameter end of the 3rd matrix cavity and its inner cavity size are greater than workpiece 4, the 3rd drift 18 and the 3rd die thimble 21 clamp the two ends of workpiece 4 and workpiece 4 are positioned over to folding 20 the inner chamber of inserting, cold headers master slider moves back and forth and drives the 3rd drift 18 to move back and forth simultaneously, the 3rd 18 of drifts withstand insert 20 major part end of folding, drive folding insert 20 in the 3rd matrix cavity vertically motion, in the time moving to the miner diameter end (right-hand member of the 3rd matrix cavity in Fig. 9) of the 3rd matrix cavity, folding is inserted and 20 is mutually closed up, form shaping mold cavity, workpiece 4 is carried out to processing and forming, between the miner diameter end of the 3rd matrix cavity and the 3rd die thimble 21, be provided with the space for the second pier nose of shaping workpiece 4, after the second pier nose of workpiece 4 forms, the 3rd die thimble 21 and the 3rd drift 18 together eject workpiece 4 the 3rd matrix cavity, in the time moving to the bigger diameter end (left end of the 3rd matrix cavity in Fig. 9) of the 3rd matrix cavity, folding is inserted 20 and is separated from each other, so that workpiece 4 can exit the 3rd die under the effect that ejects of the 3rd die thimble 21,
The 4th operation is that the second pier nose of workpiece 4 is carried out to cutting, process at the second cutting mould, clamp 31 is passed to workpiece 4 between the 4th punch die 23 and the 4th die 29, punch die thimble 24 clamps workpiece 4 with die drift 28, approach in the process of the 4th die 29 at the 4th punch die 23, workpiece 4 is headed in die cavity 25 by cutting knife hole under the promotion of die drift 28, and the final stage forming, the blade of punch die cutting knife 26 is wiped out the clout of the second pier nose of workpiece 4, cut out profile of tooth, finally, punch die thimble 24 together drives workpiece 4 to exit die cavity 25 with die drift 28, now, the manufacturing procedure of workpiece 4 is just through with.
Known by the above course of work, this programme adopts four station moulding in the time of processing work 4, be respectively the first heading, the first cutting, the second heading and the second cutting, wherein, the second heading operation is for carrying out moulding to the middle wasp waist type structure of workpiece 4, and carrying out cutting processing by the stationary knife shaving die that design is pressed into components type, tune turning operation when this improvement has avoided workpiece 4 to transmit between station, has avoided using the cold headers with complicated switching mechanism.
Visible, all manufacturing procedures of this programme all complete continuously on same cold headers, without the carrying of carrying out workpiece material, and automatic charging and automatic blanking are realized, cold headers are provided with the clamping mechanism for automatic transferring work piece, can greatly improve the transmission speed of workpiece at each inter process, the productive temp of this programme can reach per minute more than 70, high-speed multi-station cold headers even can be realized the productive temp that exceedes 120 per minute, compared with prior art, the production efficiency of this programme obviously improves.
In addition, due to except cutting operation, other operations are plastic forming processing, and compared with traditional machining, this programme has been saved material, has obviously improved stock utilization, and stock utilization can reach more than 95%.Because the mould in this programme is all the integrated design and manufactures, and workpiece uses same machine to produce, so, can cause that the factor that product size changes obviously reduces, accessory size and stability are improved, and can realize the machining accuracy of IT8～IT12 level.
In the second operation, when the second punch die 9 retreats, the second drift 12 often can stick together with workpiece 4, thereby makes workpiece 4 be difficult for departing from from mould.In a kind of preferred version, the first cutting mould also comprises that being positioned at first of the second drift 12 peripheries moves back bits plate 11, the second drifts 12 and can move back bits plate 11 and do relative straight reciprocating motion with first.Concrete, first moves back bits plate 11 is arranged on the end of the second punch die 9, in the time that master slider starts backhaul, the second drift 12 drives workpiece 4 to exit the second die 14, and first move back bits plate 11 and move back under the effect of the parts such as bits plate thimble 10 and spring first and keep original position, first moves back between bits plate 11 and workpiece 4 and just has relative motion, so, first moves back bits plate 11 can remove remaining in bits material on workpiece 4, realized utilize eject motion so that trimming bits material and workpiece body portion from function.
Equally, in the 4th operation, for the bits material of workpiece 4 is returned, preferably, this programme be provided with in die drift 28 one end relative with punch die cutting knife 26 second move back bits plate 27, die drift 28 can with second move back bits plate 27 do relative straight reciprocating motion.The operation principle that the second operation principle and first of moving back bits plate 27 is moved back bits plate 11 is similar, so locate to repeat no more.
It should be noted that, the 3rd die 19 in the second pier nose mould in this programme is provided with the 3rd matrix cavity of bellmouth structure, this bellmouth structure can be round taper hole or polygon bellmouth structure, for simplified manufacturing technique, preferably, the inner surface of the 3rd matrix cavity in the present embodiment scheme is taper seat, and insert 20 outer surface of folding is also designed to have the taper seat of identical tapering, and folding insert 20 outer surfaces in the time merging can with the inner surface laminating of the 3rd matrix cavity.Folding is inserted and 20 is divided into multiple inserting, and is four and inserts in the present embodiment, and each is inserted and can be close to the 3rd matrix cavity inner surface while combining, to form the forming cavity of workpiece 4.In the 3rd matrix cavity, be provided with for controlling folding 20 springs that open of inserting, this spring has multiple set-up mode, for example the miner diameter end of the 3rd matrix cavity will be arranged in the spring of compressive state, the other end of spring connects each to be inserted, and folding is inserted 20 and under the effect of this spring, is pushed to the bigger diameter end of the 3rd matrix cavity; Can also be provided with the groove for mounting spring in each side of inserting, every adjacent two are all connected with Compress Spring between inserting, the two ends of Compress Spring are connected in adjacent two spring grooves of inserting, and so arrange, and also can realize each scattered object of inserting.The space taking in order to reduce spring, the preferred above-mentioned the second of the present embodiment arranges the mode of spring, and each 20 outer surfaces that use Compress Spring between inserting so that folding is inserted are close to the inner surface of the 3rd matrix cavity.
Because the tooth at the two ends of some workpiece 4 needs corresponding one by one, so, in transmittance process, rotate and cause corresponding inaccurate for fear of workpiece 4, preferably, this programme is provided with the first groove for preventing that workpiece 4 from rotating in the end of the first drift 3, the second drift 12, the 3rd drift 18 and punch die thimble 24, so arrange, workpiece 4 just can be realized location well after the first operation processing, guarantees that the profile of tooth direction at workpiece 4 two ends is corresponding consistent.In order to facilitate the location of each die, preferably, this programme is same the second groove being equipped with for preventing that workpiece 4 from rotating in end with die drift 28 at the 3rd die thimble 21.The shape of groove has multiple choices, can be triangle, cruciform shape etc., and preferably, the first groove and the second groove are the groove of right-angled intersection.
Known by above-described embodiment, this programme has designed the continuously shaped mould of multistation, by cold forging cold-extrusion technology, car belt limiter torsion bar is carried out to processing and forming, the clamp structure carrying with cold headers is realized the automatical and efficient transmission of workpiece, and by the wasp waist type structure that there is mould that folding inserts and come processing work, design and moved back bits plate structure and realize and automatically move back bits, design the stationary knife shaving die structure that is pressed into workpiece formula and carried out cutting processing, avoid tradition to pass through cutting technology, or the production efficiency that discontinuous cooling formation technic causes is low, stock utilization is low, and the shortcoming such as compact dimensions poor stability.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a processing automobile safety belt limiter torsion bar device, is characterized in that, comprising:
Cold headers, described cold headers comprise workbench, master slider and for the die shoe of multiple punch dies is installed, described die shoe (1) is connected in described master slider and does straight reciprocating motion under the drive of described master slider, described cold headers also comprise be fixed on described workbench for the die socket (8) of multiple dies is installed, described die socket (8) is provided with multiple clamps for transferring work piece (4) (31), and described die socket (8) is oppositely arranged with described die shoe (1);
The first pier nose mould, comprise the first punch die (2) that is connected in described die shoe (1) and the first die (5) that is connected in described die socket (8), described the first die (5) is provided with the first matrix cavity for placing described workpiece (4), described the first punch die (2) is provided with the first drift (3) being oppositely arranged with described the first matrix cavity, and between described the first drift (3) and described the first matrix cavity, be provided with the space of the first pier nose for processing described workpiece (4), in described the first matrix cavity, be also provided with the first die thimble (6) for ejecting described workpiece (4),
The first cutting mould, comprise the second punch die (9) that is connected in described die shoe (1) and the second die (14) that is connected in described die socket (8), described the second die (14) is provided with the second matrix cavity for placing described workpiece (4), described the second punch die (9) is provided with the second drift (12) being oppositely arranged with described the second matrix cavity, and the openend of described the second matrix cavity is provided with die cutting knife (13), in described the second matrix cavity, be also provided with the second die thimble (15) for ejecting described workpiece (4);
The second pier nose mould, comprise the 3rd punch die (17) that is connected in described die shoe (1) and the 3rd die (19) that is connected in described die socket (8), described the 3rd punch die (17) is provided with the 3rd drift (18), described the 3rd die (19) is provided with the 3rd matrix cavity of bellmouth structure and for ejecting the 3rd die thimble (21) of described workpiece (4), and the bigger diameter end of described the 3rd matrix cavity is relative with described the 3rd drift (18), between the miner diameter end of described the 3rd matrix cavity and described the 3rd die thimble (21), be provided with the space of the second pier nose for processing described workpiece (4), in described the 3rd matrix cavity, be provided with that folding for clamping described workpiece (4) is inserted (20) and for controlling described folding (20) the scattered spring of inserting, described folding insert (20) under the drive of described the 3rd drift (18) and described spring, in described the 3rd matrix cavity, do straight reciprocating motion,
The second cutting mould, comprise the 4th punch die (23) that is connected in described die shoe (1) and the 4th die (29) that is connected in described die socket (8), described the 4th punch die (23) is provided with the die cavity (25) for holding described workpiece (4), described the 4th die (29) is provided with the die drift (28) being oppositely arranged with described die cavity (25), and the openend of described die cavity (25) is provided with punch die cutting knife (26), in described die cavity (25), be also provided with the punch die thimble (24) for ejecting described workpiece (4).
2. processing automobile safety belt limiter torsion bar device according to claim 1, it is characterized in that, described the first cutting mould also comprise be positioned at first of described the second drift (12) periphery move back bits plates (11), described the second drift (12) can with described first move back bits plates (11) do relative straight reciprocating motion.
3. processing automobile safety belt limiter torsion bar device according to claim 1, it is characterized in that, one end that described die drift (28) is relative with described punch die cutting knife (26) be provided with second move back bits plates (27), described die drift (28) can with described second move back bits plates (27) do relative straight reciprocating motion.
4. processing automobile safety belt limiter torsion bar device according to claim 1, it is characterized in that, the end of described the first drift (3), described the second drift (12), described the 3rd drift (18) and described punch die thimble (24) is provided with the first groove for preventing described workpiece (4) rotation.
5. processing automobile safety belt limiter torsion bar device according to claim 4, is characterized in that, described the 3rd die thimble (21) is equipped with the second groove for preventing described workpiece (4) rotation with the end of described die drift (28).
6. processing automobile safety belt limiter torsion bar device according to claim 5, is characterized in that, described the first groove and described the second groove are the groove of right-angled intersection.
7. processing automobile safety belt limiter torsion bar device according to claim 1, it is characterized in that, the inner surface of described the 3rd matrix cavity is taper seat, and described folding insert (20) outer surface in the time merging can with the inner surface laminating of described the 3rd matrix cavity.
8. processing automobile safety belt limiter torsion bar device according to claim 7, is characterized in that, described folding insert (20) be divided into four and insert.
9. processing automobile safety belt limiter torsion bar device according to claim 8, it is characterized in that, two sides of inserting described in each are equipped with spring groove, between inserting described in every two, be all connected with Compress Spring, the two ends of described Compress Spring are connected in the described spring groove of inserting described in adjacent two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690366.7U CN203649293U (en) | 2013-11-04 | 2013-11-04 | Device for machining limited force torsion bar of auto safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690366.7U CN203649293U (en) | 2013-11-04 | 2013-11-04 | Device for machining limited force torsion bar of auto safety belt |
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| Publication Number | Publication Date |
|---|---|
| CN203649293U true CN203649293U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320690366.7U Withdrawn - After Issue CN203649293U (en) | 2013-11-04 | 2013-11-04 | Device for machining limited force torsion bar of auto safety belt |
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| Country | Link |
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| CN (1) | CN203649293U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586393A (en) * | 2013-11-04 | 2014-02-19 | 上海奥达科股份有限公司 | Device used for machining automobile safety belt force limit torsion rod |
| CN114393162A (en) * | 2022-01-20 | 2022-04-26 | 安庆汇通汽车部件股份有限公司 | Automatic workpiece feeding, discharging and conveying system for stabilizer bar forming |
| CN114888224A (en) * | 2022-04-28 | 2022-08-12 | 泰州市华驰不锈钢制品有限公司 | Cold header for steel wire hoop machine-shaping |
-
2013
- 2013-11-04 CN CN201320690366.7U patent/CN203649293U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586393A (en) * | 2013-11-04 | 2014-02-19 | 上海奥达科股份有限公司 | Device used for machining automobile safety belt force limit torsion rod |
| CN103586393B (en) * | 2013-11-04 | 2018-02-09 | 上海奥达科股份有限公司 | One kind processing car belt force limit torsion rod device |
| CN114393162A (en) * | 2022-01-20 | 2022-04-26 | 安庆汇通汽车部件股份有限公司 | Automatic workpiece feeding, discharging and conveying system for stabilizer bar forming |
| CN114393162B (en) * | 2022-01-20 | 2023-08-25 | 安庆汇通汽车部件股份有限公司 | Automatic feeding and discharging and conveying system for workpiece for stabilizer bar forming |
| CN114888224A (en) * | 2022-04-28 | 2022-08-12 | 泰州市华驰不锈钢制品有限公司 | Cold header for steel wire hoop machine-shaping |
| CN114888224B (en) * | 2022-04-28 | 2022-12-23 | 泰州市华驰不锈钢制品有限公司 | Cold header for steel wire hoop machine-shaping |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20180209 |
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| AV01 | Patent right actively abandoned |