CN105598294B - Car seat torque tube cold extrusion die - Google Patents
Car seat torque tube cold extrusion die Download PDFInfo
- Publication number
- CN105598294B CN105598294B CN201610102119.9A CN201610102119A CN105598294B CN 105598294 B CN105598294 B CN 105598294B CN 201610102119 A CN201610102119 A CN 201610102119A CN 105598294 B CN105598294 B CN 105598294B
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- China
- Prior art keywords
- cavity die
- die
- upper cavity
- lower cavity
- convex closure
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
Abstract
The invention discloses a kind of car seat torque tube cold extrusion die, upper die component and lower mold assemblies and convex closure molding assembly for molding convex closure on hollow pipe fitting, convex closure molding assembly including being engaged and for clamping hollow pipe fitting are connected with upper die component and lower mold assemblies.The car seat torque tube cold extrusion die of the present invention, it is possible to achieve the cold extrusion processing of car seat torque tube, not only ensure that the form and position tolerance precision of torsion tube end convex closure, it is ensured that the position of related features requirement in whole pipe fitting both ends certain areas；Mould has enough strength and stiffness, can under alternating hot and cold stress normal work.
Description
Technical field
The invention belongs to technical field of mold, and specifically, the present invention relates to a kind of car seat torque tube cold extruding die
Tool.
Background technology
A kind of development of car seat torque tube cold extrusion die, resistance of deformation is very high during due to formation of tubes, equipment
Which kind of mode as executive component to be to need to solve the problems, such as using；Hollow object cold-heading extruding in cold extruding technique, at present may be used
Data for reference are few；Cold-extrusion technology it is also proposed higher requirement to the overall structure and mould of equipment, and equipment is not only
Larger intensity can be born, it is also necessary to possess certain rigidity；Mold design needs to improve die life, and meets to assemble
Size and intensity requirement.Car seat torque tube is the hollow pipe fitting that length is more than 40mm, and the one or both ends of hollow pipe fitting need
The strict convex closure of Geometrical Tolerance Principle is squeezed out, and pipe fitting both ends are used in the certain area of installation also need to meet strict position
Tolerance, such cold extrusion die technology enforcement difficulty are big.In order to solve faced technical problem, it is badly in need of providing one kind
The technical scheme of car seat torque tube cold extrusion die.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention provides a kind of sedan-chair
Vehicle seats torque tube cold extrusion die, it is therefore an objective to realize the cold extrusion processing for car seat torque tube.
To achieve these goals, the technical scheme taken of the present invention is：Car seat torque tube cold extrusion die, including
It is engaged and is used for the upper die component for clamping hollow pipe fitting and lower mold assemblies and for molding convex closure on hollow pipe fitting
Convex closure molding assembly, convex closure molding assembly are connected with upper die component and lower mold assemblies.
The upper die component includes cope plate and the shedding mechanism that is arranged on cope plate, the lower mold assemblies include with it is upper
The parallel lower template of template, the convex closure molding assembly connect between cope plate and lower template and with cope plate and lower template
Connect.
The upper die component includes upper cavity die, and the lower mold assemblies include being engaged with upper cavity die and for clamping hollow pipe
The lower cavity die of part, the convex closure molding assembly are located at the side of upper cavity die and lower cavity die.
The upper cavity die and lower cavity die are multiple along the setting of same level direction, and the convex closure molding assembly and upper cavity die
It is located at lower cavity die on same level direction.
The upper cavity die includes being arranged at the first upper cavity die, the second upper cavity die and the 3rd upper cavity die on stripper, and second
Upper cavity die between the first upper cavity die and the 3rd upper cavity die, the lower cavity die include be engaged with the first upper cavity die first under
Cavity plate, the second lower cavity die being engaged with the second upper cavity die and the 3rd lower cavity die being engaged with the 3rd upper cavity die, second is recessed
Mould is between the first lower cavity die and the 3rd lower cavity die.
The upper cavity die and the lower cavity die are respectively provided with pore size identical semi-circular hole, and the half of upper cavity die and lower cavity die
The complete circular hole for accommodating hollow pipe fitting is mutually spelled and formed to circular port.
The lower cavity die also includes the 4th lower cavity die being arranged in lower template, first lower cavity die, the second lower cavity die
It is arranged at the 3rd lower cavity die on the 4th lower cavity die.
The convex closure molding assembly be used for insert in hollow pipe fitting correcting nail and be sheathed on correcting nail on and for
The upper cavity die and lower cavity die match the shaping block for merging and molding convex closure, and the convex closure molded is clipped in shaping block and is engaged
Between upper cavity die and lower cavity die.
The convex closure molding assembly also includes fixed plate and for applying the drive for making it move in the horizontal direction to fixed plate
The drive mechanism of power, fixed plate is interior to be provided with the accommodating cavity for accommodating the shaping block.
The drive mechanism is Wedge mechanism.
The car seat torque tube cold extrusion die of the present invention, it is possible to achieve the cold extrusion processing of car seat torque tube,
It not only ensure that the form and position tolerance precision of torsion tube end convex closure, it is ensured that the position in whole pipe fitting both ends certain areas is public
Difference requires；Mould has enough strength and stiffness, can under alternating hot and cold stress normal work；Working portion of die part
The high chromium tool steel of materials'use, there is high intensity, high rigidity, high-wearing feature, and have certain toughness；Mould punch and matrix geometry
Shape is reasonable, and transition position has larger smooth arc transition, unstressed concentration；It is convenient that mould frangible portions are changed, installation, maintenance
With it is easy to maintenance；The abundant pressure plate that hardens is provided between working portion of die part and upper and lower mould, expands pressure-bearing surface
Product, reduces the unit pressure of upper and lower template, prevents upper and lower template to be subject to crushing；Upper and lower template uses the forged system of medium carbon steel
Into there is enough thickness, ensure that template has higher strength and stiffness；Main feature described above makes pushing away for this mould
Wide use has good economic and social benefit.
Brief description of the drawings
This specification includes the following drawings, and shown content is respectively：
Fig. 1 is the structural representation of car seat torque tube；
Fig. 2 is the structural representation of car seat torque tube cold extrusion die of the present invention；
Fig. 3 is the structural representation of upper die component；
Fig. 4 is the top view of upper die component；
Fig. 5 is the structural representation of lower mold assemblies；
Fig. 6 is the top view of lower mold assemblies；
Fig. 7 is the structural representation of convex closure molding assembly；
Fig. 8 is the partial structural diagram of convex closure molding assembly；
Fig. 9 is the installation diagram for shaping block and correcting nail；
Figure 10 is the structural representation of fixed plate；
Figure 11 is the schematic diagram that upper cavity die is engaged with lower cavity die；
In figure mark for：
1st, the first pipeline section；2nd, convex closure；3rd, the second pipeline section；
4th, upper die component；401st, cope plate；402nd, stripper；403rd, material stripping hook；404th, the first upper cavity die；405th, on second
Cavity plate；406th, the 3rd upper cavity die；407th, upper location-plate；408th, positioning key；409th, fixed column；410th, feet；411st, limited post；
5th, lower mold assemblies；501st, lower template；502nd, lower location-plate；503rd, feet；504th, the first lower cavity die；505th, under second
Cavity plate；506th, the 3rd lower cavity die；507th, the 4th lower cavity die；508th, limited post；509th, positioning key；510th, locating piece；511st, projection；
6th, convex closure molding assembly；601st, block is shaped；602nd, correcting is followed closely；603rd, block；604th, drive block；605th, wedge is slided
Block；606th, guide sliding base；607th, back-moving spring；608th, fixed plate；609th, mounting blocks；610th, guide pad；611st, guide finger.
Embodiment
Below against accompanying drawing, by the description to embodiment, embodiment of the invention is made further details of
Explanation, it is therefore an objective to help those skilled in the art to have more complete, accurate and deep reason to design of the invention, technical scheme
Solution, and contribute to its implementation.
As the important composition of automotive trim, key link that seat is always comfortably driven, by very big attention.Vapour
Basic framework of the vehicle seats skeleton as automotive seat is the automobile component directly contacted with people, it is necessary to which it is certain comfortable to meet
Property and security requirement.Because cold extruding technique has maximally effective saving material, raising production efficiency, raising engineering goods
The advantages of, being adapted to produce in enormous quantities, cold extruding technique is widely used in car seat skeleton with product.Such as Fig. 2 to Figure 11
Shown, the invention provides a kind of car seat torque tube cold extrusion die, can not only ensure the strict form and position tolerance of product
It is required that and mould have easily implement, the features such as easily popularization, application prospect is very wide.The structure of torque tube as shown in figure 1,
It is to use to be process by cold extrusion die with the hollow pipe fitting of certain length, and hollow pipe fitting is both ends open, interior
The hollow Circular Pipe in portion, the end of torque tube have the convex closure 2 of an annular, and torque tube is divided into the first pipeline section 1 by convex closure 2
With the second pipeline section 3, the overall diameter of convex closure 2 is more than the overall diameter of the first pipeline section 1 and the second pipeline section 3, the first pipeline section 1, the second pipeline section 3
It is coaxial, the length of the first pipeline section 1 and the length for being less than the second pipeline section 3 with convex closure 2.Torque tube after final molding with it is left and right
Connector assembles and is installed on seat cushion and backrest junction, for controlling the angle of inclination of backrest.
Specifically, as shown in Fig. 2 the car seat torque tube cold extrusion die of the present invention includes being engaged and for pressing from both sides
The upper die component 4 and lower mold assemblies 5 and the convex closure molding assembly for molding convex closure 2 on hollow pipe fitting of tight hollow pipe fitting
6, convex closure molding assembly 6 is connected with upper die component 4 and lower mold assemblies 5.
As shown in Figure 3 and Figure 4, upper die component 4 includes upper location-plate 407, feet 410, cope plate 401, upper cavity die and set
The shedding mechanism being placed on cope plate 401.Upper location-plate 407 is to be used to be connected with forcing press, cope plate 401 and upper location-plate
407 is parallel, and cope plate 401 is located at the lower section of upper location-plate 407, and feet 410 is arranged at cope plate 401 and upper location-plate 407
Between, feet 410 is simultaneously fixedly connected with cope plate 401 and upper location-plate 407.As shown in Figure 5 and Figure 6, under lower mold assemblies 5 include
Location-plate 502, feet 503, with lower cavity die that upper cavity die is engaged and the lower template 501 parallel with cope plate 401.Lower positioning
Plate 502 is fixedly connected for the workbench with forcing press, and lower template 501 is located at the lower section of cope plate 401, lower location-plate 502
Positioned at the lower section of lower template 501, feet 503 is arranged between lower template 501 and lower location-plate 502, feet 503 and and lower template
501 are fixedly connected with lower location-plate 502.As shown in Fig. 2 convex closure molding assembly 6 is between cope plate 401 and lower template 501
And be connected with cope plate 401 and lower template 501, convex closure molding assembly 6 is engaged with upper cavity die and lower cavity die, by hollow pipe fitting plus
Work goes out torque tube.
The upper cavity die of upper die component 4 is engaged with the lower cavity die of lower mold assemblies 5, be mainly used in clamp hollow pipe fitting, and with
Convex closure molding assembly 6 is engaged, and convex closure is molded on hollow pipe fitting.Upper cavity die is arranged on shedding mechanism, and lower cavity die is set
In in lower template 501, convex closure molding assembly 6 is located at the side of upper cavity die and lower cavity die.As preferable, cope plate 401 and under
Template 501 be it is horizontally disposed, upper cavity die and lower cavity die set along same level direction it is multiple, and convex closure molding assembly 6 with it is upper
Cavity plate and lower cavity die are located on same level direction.Upper cavity die and lower cavity die are respectively provided with pore size identical semi-circular hole, on
The semi-circular hole of cavity plate mutually spells and formed the complete circular hole for accommodating hollow pipe fitting with the semi-circular hole of lower cavity die.Lower cavity die is positioned at upper
The lower section of cavity plate, so can be horizontal positioned by hollow pipe fitting in processing, facilitates loading and unloading.During processing, from upper cavity die to moving down
It is dynamic that hollow pipe fitting is pressed on lower cavity die, clamp hollow pipe fitting, moved in the horizontal direction by convex closure molding assembly 6, and with it is upper
Cavity plate and lower cavity die are engaged, and the convex closure of annular is finally suppressed on hollow pipe fitting.
As shown in Figure 3 and Figure 4, the shedding mechanism of upper die component 4 includes stripper 402 and material stripping hook 403.Stripper 402
Positioned at the lower section of cope plate 401 and both are parallel, and stripper 402 passes through vertically disposed nitrogen spring and upper location-plate 407
Connection, cope plate 401 are provided with and allow the through hole that nitrogen spring passes through.Material stripping hook 403 is vertically installed on the bottom surface of cope plate 401,
The upper end of material stripping hook 403 is fixedly connected with cope plate 401, and lower end is the L-type structure for catching on stripper 402.When upper positioning
When the drive cope plate 401 of plate 407 moves up, stripper 402 is pulled up by material stripping hook 403, made upper on stripper 402
Cavity plate departs from product.
Upper cavity die set on the bottom surface of stripper 402 along same rectilinear direction it is multiple, to adapt to longer hollow of length
Pipe fitting, the groove of multiple receiving upper cavity dies is accordingly provided with the bottom surface of stripper 402.As shown in Figure 3 and Figure 4, in this implementation
In example, upper cavity die is provided with three altogether, the first upper cavity die 404, the and of the second upper cavity die 405 being respectively arranged on stripper 402
3rd upper cavity die 406, the first upper cavity die 404 are fixedly installed on one end of stripper 402, and the 3rd upper cavity die 406 is fixedly installed on
The other end of stripper 402, the second upper cavity die 405 is between the first upper cavity die 404 and the 3rd upper cavity die 406.First fovea superior
Semi-circular hole is equipped with the bottom surface of mould 404, the second upper cavity die 405 and the 3rd upper cavity die 406, on the first upper cavity die 404, second
The pore size of semi-circular hole on the upper cavity die 406 of cavity plate 405 and the 3rd is equal and coaxial.
As shown in Figure 5 and Figure 6, lower cavity die includes the first lower cavity die 504 and second being engaged with the first upper cavity die 404
The second lower cavity die 505 that upper cavity die 405 is engaged and the 3rd lower cavity die 506 being engaged with the 3rd upper cavity die 406, second is recessed
Mould 505 is between the first lower cavity die 504 and the 3rd lower cavity die 506.Under first lower cavity die 504, the second lower cavity die 505 and the 3rd
Semi-circular hole is equipped with the top surface of cavity plate 506, on the first lower cavity die 504, the second lower cavity die 505 and the 3rd lower cavity die 506
The pore size of semi-circular hole is equal and coaxial, and equal with the pore size of the semi-circular hole on upper cavity die.First lower cavity die
504 are located at the semi-circular hole of the underface of the first upper cavity die 404, the semi-circular hole of the first upper cavity die 404 and the first lower cavity die 504
Mutually spell and formed the complete circular hole for accommodating hollow pipe fitting.Second lower cavity die 505 is located at the underface of the second upper cavity die 405, and second
The semi-circular hole of upper cavity die 405 mutually spells and formed the complete circular hole for accommodating hollow pipe fitting with the semi-circular hole of the second lower cavity die 505.
3rd lower cavity die 506 is located at the underface of the 3rd upper cavity die 406, the semi-circular hole and the 3rd lower cavity die 506 of the 3rd upper cavity die 406
Semi-circular hole mutually spell and formed accommodate hollow pipe fitting complete circular hole.By setting multiple upper cavity dies and lower cavity die to extrude jointly
Hollow pipe fitting, product molding effect can be improved, improve product quality.
As shown in Figure 5 and Figure 6, lower cavity die also includes being fixedly installed on the 4th lower cavity die 507 in lower template 501, and first
Lower cavity die 504, the second lower cavity die 505 and the 3rd lower cavity die 506 are fixedly installed on the 4th lower cavity die 507.4th lower cavity die 507
Immediately below stripper 402, in the groove for determining to be provided with each upper cavity die of receiving on face of the 4th lower cavity die 507.First is recessed
Mould 504 is located at one end of the 4th lower cavity die 507, and the 3rd lower cavity die 506 is located at the other end of the 4th lower cavity die 507.
As shown in figure 11, as preferable, the convex of protrusion is provided with the end of the semi-circular hole of the first lower cavity die 504
Block 511, the projection 511 are used to prop up hollow pipe fitting when processing, the end contact with hollow pipe fitting, one end of hollow pipe fitting entered
Row is spacing, avoids hollow pipe fitting from moving in the horizontal direction.
As shown in Figure 3 and Figure 4, upper die component 4 also include being vertically installed in positioning key 408 on the bottom surface of cope plate 401,
Limited post 411 and fixed column 409.Two fixed columns 409 are arranged side by side in the end side of stripper 402, two fixed columns 409
Side contacted with slide plate set on the end face of stripper 402.Two positioning keys 408 are respectively arranged at a fixed column
409 side, the contacts side surfaces of positioning key 408 and fixed column 409, fixed column 409 be located at stripper 402 and positioning key 408 it
Between.
As shown in Figure 5 and Figure 6, lower mold assemblies 5 also include being vertically installed on the top surface of lower template 501
Positioning key 509 and limited post 508.Positioning key 509 is located at the end side of the 4th cavity plate, the end of the cavity plate of positioning key 509 and the 4th
Face contacts.Limited post 411 is engaged with limited post 508, and in the vertical direction plays position-limiting action to upper die component 4, is arranged at
Each limited post 411 on cope plate 401 aligned in position of limited post 508 with being arranged in lower template 501 respectively.
As shown in Figure 7 to 9, convex closure molding assembly 6 mainly include mounting seat, be arranged in mounting seat fixed plate 608,
Correcting nail 602, shaping block 601 and drive mechanism.Mounting seat is arranged in drive mechanism, drive mechanism be used for mounting seat and
Fixed plate 608 thereon, which applies, makes the driving force that it moves linearly in the horizontal direction.Correcting nail 602 is for insertion into hollow pipe fitting
Centre bore in, correcting nail 602 and with the end contact of hollow pipe fitting, be engaged with projection 511, in the horizontal direction to hollow
Pipe fitting plays position-limiting action.Shaping block 601 is sheathed on correcting nail 602, and shaping block 601 is used to match with upper cavity die and lower cavity die
Close to mold the convex closure of annular on hollow pipe fitting.As shown in Figure 10, in all upper cavity dies and lower cavity die, wherein close
A upper cavity die and a lower cavity die for convex closure molding assembly 6 is engaged, on the one hand clamp hollow pipe fitting, on the other hand with shaping
The phase separation of block 601, the convex closure molded are clipped between shaping block 601 and the upper cavity die and lower cavity die being engaged, shaping block 601
End face contacts with the one side of convex closure, and the upper cavity die and the end face of lower cavity die being engaged contact with the another side of convex closure.
As shown in Figure 9 and Figure 10, correcting nail 602 is cylindrical structural to the structure of correcting nail 602 and shaping block 601, correcting
Nail 602 has big footpath section and path section, and the diameter of big footpath section is more than the diameter of path section, and the diameter of path section is not more than hollow pipe
The interior diameter of part, the diameter of big footpath section are more than the interior diameter of hollow pipe fitting, and the length of big footpath section is less than the length of path section.Shaping
Block 601 is circular arc tile like structure, and shaping block 601 circumferentially at least needs to set two in the outside of correcting nail 602, all shapings
The cirque structure being sheathed on correcting nail 602 is spelled and formed to the phase of block 601.In the present embodiment, shape block 601 and be provided with two altogether
Individual, the length of shaping block 601 is less than the length of correcting nail 602, shapes one end end face and the big footpath section of correcting nail 602 of block 601
End face alignment, correcting nail 602 path section end stretched out from cirque structure.Shape the inwall and correcting nail 602 of block 601
Path section outer wall between there is the gap for accommodating hollow pipe fitting, be provided with fixed plate 608 and accommodate the accommodating of shaping block 601
Chamber, for the accommodating cavity to run through the circular cavity set in the horizontal direction in fixed plate 608,602 path section end is followed closely in correcting
It is protruding from accommodating cavity.By shaping the cooperation of block 601 and correcting nail 602, it is easy to torsion tube material in extrusion process
Flowing, is easy to the shaping of convex closure, is easy to ensure the axiality requirement that convex closure forms the rear pipeline section 3 of first pipeline section 1 and second；Two circles
The setting of the shaping block 601 of arc tile like structure is to be easy to the demoulding of the first pipeline section 1 after convex closure extrusion molding, that is, is easy to unload
Material.
As preferable, as shown in fig. 7, drive mechanism is Wedge mechanism, the Wedge mechanism includes being arranged at lower template 501
On guide sliding base 606, the moveable wedge slide block 605 being arranged on guide sliding base 606 and be engaged and use with wedge slide block 605
In the drive block 604 that driving wedge sliding block 605 moves linearly in the horizontal direction, drive block 604 the lower section of cope plate 401 with it is upper
Template 401 is fixedly connected, and mounting seat is arranged in wedge slide block 605.When cope plate 401 drives drive block 604 to push, driving
Block 604 promotes wedge slide block 605 to be moved on guide sliding base 606 towards at lower cavity die, and wedge slide block 605 drives mounting seat and thereon
The synchronizing moving of fixed plate 608, shaping block 601 is engaged with upper cavity die and lower cavity die, molded on hollow pipe fitting
One convex closure.
As shown in fig. 7, convex closure molding assembly 6 also includes being used for the resetting-mechanism and and wedge for resetting wedge slide block 605
The guide finger 611 that sliding block 605 connects.The resetting-mechanism includes the back-moving spring 607 being connected with wedge slide block 605, back-moving spring
607 be nitrogen spring, and back-moving spring 607 is the horizontally disposed and inside of the 4th lower cavity die 507, and back-moving spring 607 is simultaneously
It is connected after through locating piece 510 with the bottom of wedge slide block 605, back-moving spring 607, which is used to apply wedge slide block 605, promotes it
It is directed away from the driving force of the direction rectilinear movement of lower cavity die.Guide finger 611 is parallel with back-moving spring 607, locating piece 510 with
Guide finger 611 is engaged, and is provided with locating piece 510 and is allowed the pilot hole that guide finger 611 passes through.Resetting-mechanism can also follow closely correcting
602 push away extrusion, prevent extrusion due to elastic deformation recovery and hard-pressed bale correcting nail 602 on.
As preferable, as shown in Figure 7 and Figure 8, it is by a mounting blocks 609 and a guide pad 610 that mounting seat, which includes,
Form.Mounting blocks 609 are installed by inserting in chute set in wedge slide block 605, and mounting hole is that section is in type
The block structure of shape, accordingly it is provided with the wedge slide block 605 and accommodates mounting blocks 609 and be horizontally extending T-shaped chute,
The length direction of the T-shaped chute and the length direction of hollow pipe fitting are perpendicular, the T-shaped chute and at three of wedge slide block 605
Formed with opening on side, the opening on the relative side of two of which is allows mounting blocks 609 to pass in and out, on another side
It is open and is contacted to allow mounting blocks 609 to stretch out with guide pad 610.Guide pad 610 is between fixed plate 608 and wedge slide block 605
And three and lower cavity die are on same straight line, guide pad 610 is rectangular block shape structure, and guide pad 610 faces lower cavity die
The T-shaped chute for allowing fixed plate 608 to insert vertically is provided with side, the T-shaped chute is simultaneously formed in the top surface of guide pad 610
The opening for allowing fixed plate 608 to pass in and out, there is the T-shaped connecting portion inserted in T-shaped chute to the end of fixed plate 608.By oblique
T-slot is set on slider wedge 605 and guide pad 610, and the length direction of two T-slots is perpendicular, can make fixed plate 608 by pacifying
Dress seat drives to be moved in the horizontal direction, fixed plate 608 is vertically moved in mounting seat, above and below convenient
Material.After torque tube shaping, by moving up fixed plate 608, fixed plate 608 can be such that torque tube moves up and from recessed
Removed in mould, conveniently remove torque tube.
The present invention is exemplarily described above in association with accompanying drawing.Obviously, present invention specific implementation is not by above-mentioned side
The limitation of formula.As long as employ the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress；Or not
It is improved, the above-mentioned design of the present invention and technical scheme are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (8)
1. car seat torque tube cold extrusion die, it is characterised in that：Upper mould including being engaged and for clamping hollow pipe fitting
Component and lower mold assemblies and the convex closure molding assembly for molding convex closure on hollow pipe fitting, convex closure molding assembly and upper mould
Component connects with lower mold assemblies；
The upper die component includes upper cavity die, and the lower mold assemblies include being engaged with upper cavity die and for clamping hollow pipe fitting
Lower cavity die, convex closure molding assembly are located at the side of upper cavity die and lower cavity die, and convex closure molding assembly includes mounting seat, fixed plate, use
In insert the nail of the correcting in hollow pipe fitting, be sheathed on correcting nail on and for merge with upper cavity die and lower cavity die matching mold it is convex
The shaping block of bag and the drive mechanism for making its driving force moved in the horizontal direction for applying to fixed plate, what is molded is convex
Sandwich between shaping block and the upper cavity die and lower cavity die being engaged, the accommodating cavity for accommodating shaping block is provided with fixed plate, it is fixed
Plate can by mounting seat drive move in the horizontal direction, fixed plate can be moved vertically in mounting seat, mounting seat be by
One mounting blocks and a guide pad are formed, and drive mechanism includes guide sliding base, the moveable wedge being arranged on guide sliding base is slided
Block and the drive block for being engaged with wedge slide block and moving linearly in the horizontal direction for driving wedge sliding block, set in wedge slide block
Have and accommodate mounting blocks and be horizontally extending T-shaped chute, the length direction of the T-shaped chute and the length side of hollow pipe fitting
To perpendicular, between fixed plate and wedge slide block, guide pad faces on the side of lower cavity die vertically guide pad
Provided with the T-shaped chute for allowing fixed plate to insert.
2. car seat torque tube cold extrusion die according to claim 1, it is characterised in that：The upper die component includes
Cope plate and the shedding mechanism being arranged on cope plate, the lower mold assemblies include the lower template parallel with cope plate, described
Convex closure molding assembly is connected between cope plate and lower template and with cope plate and lower template.
3. car seat torque tube cold extrusion die according to claim 1, it is characterised in that：The upper cavity die and recessed
Mould is multiple along the setting of same level direction, and the convex closure molding assembly is located at same level direction with upper cavity die and lower cavity die
On.
4. the car seat torque tube cold extrusion die according to claim 1 or 3, it is characterised in that：The upper cavity die bag
The first upper cavity die being arranged on stripper, the second upper cavity die and the 3rd upper cavity die are included, the second upper cavity die is located at the first upper cavity die
Between the 3rd upper cavity die, the lower cavity die includes the first lower cavity die being engaged with the first upper cavity die and the second upper cavity die phase
The second lower cavity die coordinated and the 3rd lower cavity die that is engaged with the 3rd upper cavity die, the second lower cavity die are located at the first lower cavity die and the
Between three lower cavity dies, the first lower cavity die is located at the underface of the first upper cavity die, the second lower cavity die be located at the second upper cavity die just under
Side, the 3rd lower cavity die are located at the underface of the 3rd upper cavity die.
5. car seat torque tube cold extrusion die according to claim 4, it is characterised in that：The upper cavity die and described
Lower cavity die is respectively provided with pore size identical semi-circular hole, upper cavity die mutually spell and formed with the semi-circular hole of lower cavity die accommodate it is hollow
The complete circular hole of pipe fitting.
6. car seat torque tube cold extrusion die according to claim 4, it is characterised in that：The lower cavity die also includes
The 4th lower cavity die being arranged in lower template, first lower cavity die, the second lower cavity die and the 3rd lower cavity die are arranged under the 4th
On cavity plate.
7. car seat torque tube cold extrusion die according to claim 2, it is characterised in that：The guide sliding base is arranged at
In lower template, the drive block is fixedly connected in the lower section of cope plate with cope plate.
8. car seat torque tube cold extrusion die according to claim 7, it is characterised in that：The convex closure molding assembly
Also include being used for the resetting-mechanism for resetting wedge slide block and the guide finger that be connected with wedge slide block, the resetting-mechanism including with it is oblique
The back-moving spring of slider wedge connection, back-moving spring is nitrogen spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610102119.9A CN105598294B (en) | 2016-02-24 | 2016-02-24 | Car seat torque tube cold extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610102119.9A CN105598294B (en) | 2016-02-24 | 2016-02-24 | Car seat torque tube cold extrusion die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105598294A CN105598294A (en) | 2016-05-25 |
| CN105598294B true CN105598294B (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610102119.9A Expired - Fee Related CN105598294B (en) | 2016-02-24 | 2016-02-24 | Car seat torque tube cold extrusion die |
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| CN108435913A (en) * | 2018-03-21 | 2018-08-24 | 河海大学文天学院 | Car seat torque tube squeezes a convex mould and has more cold extrusion die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201799527U (en) * | 2010-09-15 | 2011-04-20 | 无锡龙筠模具制造有限公司 | Round pipe extrusion die |
| CN203363603U (en) * | 2013-07-22 | 2013-12-25 | 无锡市张泾宇钢机械厂 | Sliding type fixed bracket |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2841180Y (en) * | 2005-04-13 | 2006-11-29 | 珠海和氏自动化设备有限公司 | Tubing blanking shaping mould and the equipment that uses this mould |
| CN1857816A (en) * | 2006-06-02 | 2006-11-08 | 叶桂顺 | Convex ring extruding method and machine for composite steel-plastic pipe |
| DE102009012694A1 (en) * | 2008-03-12 | 2009-12-03 | Honda Motor Co., Ltd. | Bulge formation process and bulge formation apparatus |
| CN201720323U (en) * | 2010-05-04 | 2011-01-26 | 浙江爽凯汽车空调有限公司 | Compound bulging mould of pipe fittings of automobile air conditioner |
| CN104690127B (en) * | 2015-03-19 | 2016-05-18 | 宁波永享铜管道有限公司 | Bulge processing unit (plant) and processing method thereof on pipe fitting |
| CN205571155U (en) * | 2016-02-24 | 2016-09-14 | 河海大学文天学院 | Car seat torque tube cold extruding die |
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2016
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201799527U (en) * | 2010-09-15 | 2011-04-20 | 无锡龙筠模具制造有限公司 | Round pipe extrusion die |
| CN203363603U (en) * | 2013-07-22 | 2013-12-25 | 无锡市张泾宇钢机械厂 | Sliding type fixed bracket |
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| CN105598294A (en) | 2016-05-25 |
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