CN109877264A - A kind of ball stud cold upsetting forming die and moulding process - Google Patents
A kind of ball stud cold upsetting forming die and moulding process Download PDFInfo
- Publication number
- CN109877264A CN109877264A CN201910025048.0A CN201910025048A CN109877264A CN 109877264 A CN109877264 A CN 109877264A CN 201910025048 A CN201910025048 A CN 201910025048A CN 109877264 A CN109877264 A CN 109877264A
- Authority
- CN
- China
- Prior art keywords
- cold
- mold
- green compact
- transition
- heading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000008569 process Effects 0.000 title claims abstract description 30
- 238000007688 edging Methods 0.000 claims abstract description 12
- 238000000748 compression moulding Methods 0.000 claims abstract description 11
- 206010058109 Hangnail Diseases 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 112
- 238000012546 transfer Methods 0.000 claims description 26
- 238000005498 polishing Methods 0.000 claims description 15
- 244000137852 Petrea volubilis Species 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 229910017435 S2 In Inorganic materials 0.000 claims 1
- 238000007493 shaping process Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Forging (AREA)
Abstract
The invention discloses a kind of ball stud cold upsetting forming die and moulding process, belong to cold upsetting forming die field, a kind of ball stud cold upsetting forming die and moulding process, green compact pretreatment, cold-heading prepares, cold-heading molding, pickup carries out green compact preforming, keep the shape and size of green compact and finished product substantially similar, facilitate green compact molding below, again edging will be carried out by preforming green compact, remove the sharp end on the green compacts surfaces such as the hangnail on green compact surface, prevent green compact from generating the phenomenon that stress is concentrated during cold-heading compression moulding, cause green compact face checking, reduce the rejection rate of cold-heading compacting, it does not need staff and carries out repeatedly cooperation compression moulding by multimachine position, it is easy to operate, it is less prone to and causes workpiece shaping to fail because of staff's maloperation, the precision of cold headers fabricated part is significantly increased, cold headers are significantly increased The quality of fabricated part, while it being conveniently removed from the molds fabricated part, facilitate subsequent part to produce.
Description
Technical field
The present invention relates to cold upsetting forming die field, more specifically to a kind of ball stud cold upsetting forming die and
Moulding process.
Background technique
Cold heading technique is few without one of cutting metal pressure processing new process, it be it is a kind of using metal under external force
Generated plastic deformation, and by means of mold, so that metal volume is redistributed and is shifted, thus part required for being formed
Or the processing method of blank, cold heading technique are most suitable for for producing the standard fasteners such as bolt, screw, nut, rivet, pin,
Compared with traditional all kinds of metal parts processing technologys, cold heading technique has and can work under normal temperature conditions, stock utilization
The advantage that height, high production efficiency, finished surface are highly polished and Product Precision is high.
Cold heading technique greatly reduces material consumption due to high productivity, good product quality, reduces production
Cost is improved working conditions, thus it is more and more extensive apply in the production of machine-building especially standard fasteners, wherein
It is bolt, screw and nut using the most representative product that multistage cold former produces.
However for existing cold headers, one-pass molding process can be only done the molding of relatively simple shape, if
It needs to produce the product that complex shape such as various shapes cooperatively form, generally requires to cooperate by seats in the plane multiple on cold headers
It uses, and often also has strict requirements to the molding of different parts sequence, operation is more troublesome, and is carried out on multiple seats in the plane
Multiple compression moulding easily influences the precision of finished product, influences the quality of production of product.
Summary of the invention
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of ball stud cold upsetting forming dies
And moulding process, it may be implemented the combination fabricated part of one-pass molding spherical shape and rod, does not need staff by multimachine
Position carries out repeatedly cooperation compression moulding, and complicated molding procedure, not easy to operate, is less prone to due to staff's maloperation
It causes workpiece shaping to fail, improves working efficiency significantly, substantially reduce the rejection rate of fabricated part production process, be significantly increased
The quality of cold headers fabricated part is significantly increased in the precision of cold headers fabricated part, while being conveniently removed from the molds finished product zero
Part facilitates subsequent part to produce.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of ball stud cold upsetting forming die and moulding process, including fixed mold, digging in the fixed mold has transition
Mold slots, digging in the trough floor of the transition mold slots has fixed mold type chamber, and the fixed mold type is intracavitary to be plugged with and cover half
The thimble cushion block that tool type chamber matches is placed with the transition mold to match with itself, the transition in the transition mold slots
Digging on the side wall of mold slots has positioning runner, is connected with the positioning to match with positioning runner on the side wall of the transition mold
Sliding block is connected with a pair of of locating rod in the trough floor of the transition mold slots, compressed spring is socketed in the locating rod, and press
One end of contracting spring is fixedly connected with the trough floor of transition mold slots, the transition mold close to transition mold slots trough floor one
End, which is dug, the positioning through hole to match with locating rod, and positioning through hole runs through transition mold, and digging on the transition mold has
Transition mold cavity, and transition mold cavity is connected with fixed mold type chamber, the upside of the transition mold is equipped with moving mold, institute
Stating moving mold and digging close to one end of transition mold has a pair of locating slot to match with locating rod, and the moving mold is close to transition
One end of mold, which is dug, the moving mold type chamber to match with transition mold cavity, and transition mold cavity and moving mold type chamber phase
Connection.
Further, a kind of ball stud cold upsetting forming die and moulding process, including following preparation section:
S1, green compact pretreatment, green compact are carried out preforming, keep the shape and size of green compact and finished product substantially similar, facilitated
Green compact forms below, then will carry out edging by preforming green compact, removes the sharp of the green compacts surfaces such as the hangnail on green compact surface
End prevents green compact from generating the phenomenon that stress is concentrated during cold-heading compression moulding, causes green compact face checking, reduces cold-heading pressure
The rejection rate of system；
S2, cold-heading prepare, and before cold-heading work, need first to carry out mode transfer to cold headers, prevent cold headers in the process of compacting
In occur deviating or to compacting pressure non-uniform phenomenon, be not easy to influence green compact cold-heading effect, cold headers are added in green compact again later
It is interior；
S3, cold-heading molding are pressed green compact using cold headers；
S4, pickup, after cold-heading part compacting, cold headers die sinking, after cold headers die sinking work is completed, work people
Member can be from the intracavitary taking-up fabricated part of cold-heading type.
The combination fabricated part that one-pass molding spherical shape and rod may be implemented does not need staff and carries out by multimachine position
Repeatedly cooperation compression moulding, complicated molding procedure, not easy to operate, is less prone to and causes work because of staff's maloperation
Part molding failure, improves working efficiency significantly, substantially reduces the rejection rate of fabricated part production process, cold headers are significantly increased
The precision of fabricated part, is significantly increased the quality of cold headers fabricated part, while being conveniently removed from the molds fabricated part, convenient
Subsequent part production.
Further, the upper end of the fixed mold is connected with a pair of of limit plate, connects between the limit plate and fixed mold
There is clamping screw, and be fixedly connected between limit plate and fixed mold by clamping screw, limit plate can carry out transition mold
Limit, prevents transition mold from slipping out of transition mold slots, and clamping screw is not susceptible to limit plate for locking limit plate
Sidesway is rotated, when staff unscrews clamping screw, limit plate can be rotated, releases limit plate to the lock of transition mold
It is fixed, replace staff can to transition mold, maintenance and repair to take out transition mold in transition mold slots.
Further, transverse bearing, and transverse bearing and positioning through hole are connected between the positioning through hole and locating rod
Inner wall be fixedly connected, reduce the abrasion generated when working between positioning through hole and locating rod, be not easy to keep locating rod and positioning logical
Shaking is generated between hole, is not easy to decline fabricated part quality.
Further, the one end of the locating rod far from transition mold slots trough floor is round end, the notch of the locating slot
The diameter that place's opening design, i.e. diameter at locating slot notch are greater than locating slot trough floor, facilitates between fixed mold and moving mold
It is positioned by locating rod and locating slot, makes fixed mold and moving mold during positioning, locating rod is not easy with locating slot
Biggish rigid shock occurs, is not easy to affect greatly the precision of cold headers.
Further, the surface of the fixed mold type chamber, transition mold cavity and moving mold type chamber is equipped with polishing layer, institute
Polishing layer is stated equipped with wearing layer, polishing layer can increase the surface smoothness of fabricated part, and wearing layer then can protect throwing
Photosphere makes polishing layer be not easy to be scratched by the sharppointed article of the edge spike of unformed part, is not easy to influence fabricated part quality.
Further, the transition mold is dug close to one end of transition mold slots trough floor a pair and compressed spring phase
Matched lead-over groove, lead-over groove, for temporarily storing compressed spring, make to compress bullet during cold headers compacting green compact is molding
Spring is not easily susceptible to excessive pressure and irreversible deformation occurs, and is not easy to influence the subsequent demoulding work of cold headers.
Further, in the S1 green compact pretreatment, edging can have staff to carry out manual grinding, sand using sand paper
Paper can select the sand paper of W7 model, and edging is bulk processing, and need to only go out the sharp objects such as the apparent hangnail of piece surface.
Further, in the S2 cold-heading equipment, first time cold-heading molding advances after mode transfer work only needs cold headers to be switched on
Row when molding number reaches certain amount, then carries out mode transfer, nothing without gradually mode transfer in cold headers forming process below
It needs gradually mode transfer that can increase the shaping efficiency of cold headers, and when forming number and reaching certain amount, then carries out mode transfer, it can be with
Increase the formed precision of cold headers, and carrying out mode transfer again after how many times molding need to be according to the complex contour degree of fabricated part
It is set.
Further, in the S4 pickup, finished product pickup work need to be opened in cold headers just can be into after work is fully finished
Row, prevents cold headers from damaging to staff.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) the combination fabricated part of one-pass molding spherical shape and rod may be implemented in this programme, do not need staff by
Multimachine position carries out repeatedly cooperation compression moulding, and complicated molding procedure, not easy to operate, is less prone to because staff accidentally grasps
Make and workpiece shaping is caused to fail, improve working efficiency significantly, substantially reduces the rejection rate of fabricated part production process, substantially
The precision for increasing cold headers fabricated part, is significantly increased the quality of cold headers fabricated part, while being conveniently removed from the molds into
Product part facilitates subsequent part to produce.
(2) a kind of ball stud cold upsetting forming die and moulding process mainly include that green compact pre-processes, cold-heading prepares, is cold
Upsetting molding, pickup carry out green compact preforming, keep the shape and size of green compact substantially similar with finished product, facilitate below green compact at
Type, then edging will be carried out by preforming green compact, the sharp end on the green compacts surfaces such as the hangnail on green compact surface is removed, green compact is prevented
The phenomenon that stress is concentrated is generated during cold-heading compression moulding, causes green compact face checking, reduces the rejection rate of cold-heading compacting,
And during die sinking, be in the compressed spring of compressive state under the action of, transition mold is towards far from transition mold slots
The movement of trough floor direction, while transition mold will drive fabricated part and move together, while carry out the demoulding work of fabricated part.
(3) upper end of fixed mold is connected with a pair of of limit plate, clamping screw is connected between limit plate and fixed mold, and limit
It is fixedly connected between position plate and fixed mold by clamping screw, limit plate can limit transition mold, prevent stage die
Tool is slipped out of transition mold slots, and clamping screw makes limit plate be not susceptible to rotation sidesway, work people for locking limit plate
When member unscrews clamping screw, limit plate can be rotated, release locking of the limit plate to transition mold, make staff can
To take out transition mold in transition mold slots, transition mold is replaced, maintenance and repair.
(4) transverse bearing is connected between positioning through hole and locating rod, and the inner wall of transverse bearing and positioning through hole is fixed
Connection reduces the abrasion generated when working between positioning through hole and locating rod, is not easy to make to generate between locating rod and positioning through hole
It shakes, is not easy to decline fabricated part quality.
(5) one end of locating rod far from transition mold slots trough floor is round end, and be open design at the notch of locating slot, i.e., fixed
Diameter at the slot notch of position is greater than the diameter of locating slot trough floor, facilitates between fixed mold and moving mold through locating rod and positioning
Slot is positioned, and makes fixed mold and moving mold during positioning, and locating rod and locating slot are not susceptible to biggish rigidity and rush
It hits, is not easy to affect greatly the precision of cold headers.
(6) surface of fixed mold type chamber, transition mold cavity and moving mold type chamber is equipped with polishing layer, and polishing layer is equipped with
Wearing layer, polishing layer can increase the surface smoothness of fabricated part, and wearing layer then can protect polishing layer, make polishing layer not
It is easily scratched by the sharppointed article of the edge spike of unformed part, is not easy to influence fabricated part quality.
(7) transition mold is dug close to one end of transition mold slots trough floor a pair of transition to match with compressed spring
Slot, lead-over groove, for temporarily storing compressed spring, are not easily susceptible to compressed spring during cold headers compacting green compact is molding
Excessive pressure and irreversible deformation occurs, be not easy to influence the subsequent demoulding work of cold headers.
(8) in the pretreatment of S1 green compact, edging can have staff to carry out manual grinding using sand paper, and sand paper can be selected
The sand paper of W7 model, edging are bulk processing, and need to only go out the sharp objects such as the apparent hangnail of piece surface.
(9) it in S2 cold-heading equipment, is carried out before first time cold-heading molding after mode transfer work only needs cold headers to be switched on, it is cold later
Without gradually mode transfer in upsetting machine forming process, when molding number reaches certain amount, then mode transfer is carried out, it is not necessary that gradually mode transfer can
To increase the shaping efficiency of cold headers, and when molding number reaches certain amount, then mode transfer is carried out, cold headers can be increased
Formed precision, and carrying out mode transfer again after how many times molding need to be set according to the complex contour degree of fabricated part.
(10) in S4 pickup, finished product pickup work need to be opened after work is fully finished in cold headers and can just carry out, and prevent cold
Upsetting machine damages staff.
Detailed description of the invention
Fig. 1 is the front section view when present invention carries out cold-heading compacting；
Fig. 2 is the structural schematic diagram of fixed mold of the invention；
Fig. 3 is the structural schematic diagram of transition mold of the invention；
Fig. 4 is the structural schematic diagram of moving mold of the invention,
Fig. 5 is the structural schematic diagram of finished parts of the present invention；
Fig. 6 is the main flow schematic diagram of cold-heading molding of the invention.
Figure label explanation:
1 fixed mold, 2 transition molds, 3 moving molds, 4 fixed mold type chambers, 5 thimble cushion blocks, 6 positioning runners, 7 locating rods, 8 pressures
Contracting spring, 9 transition mold cavities, 10 positioning sliding blocks, 11 lead-over grooves, 12 positioning through hole, 13 moving mold type chambers, 14 locating slots, 15
Limit plate, 16 clamping screws.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention；Technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description；Obviously；Described embodiments are only a part of the embodiments of the present invention；Instead of all the embodiments, it is based on
Embodiment in the present invention；It is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment；It shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "inner", "outside", " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
Please refer to Fig. 1-4, a kind of ball stud cold upsetting forming die and moulding process, including fixed mold 1, in fixed mold 1
Cutting has a transition mold slots, and digging in the trough floor of transition mold slots has fixed mold type chamber 4, be plugged in fixed mold type chamber 4 with
The thimble cushion block 5 that fixed mold type chamber 4 matches, position of the thimble cushion block 5 in fixed mold type chamber 4 is adjustable, for adjusting
The length of fabricated part, and cold headers can be assisted to carry out demoulding work if necessary, be placed in transition mold slots and itself
The transition mold 2 to match, digging on the side wall of transition mold slots has positioning runner 6, be connected on the side wall of transition mold 2 with
The positioning sliding block 10 that positioning runner 6 matches is connected with a pair of of locating rod 7 in the trough floor of transition mold slots, covers in locating rod 7
It is connected to compressed spring 8, and one end of compressed spring 8 is fixedly connected with the trough floor of transition mold slots, transition mold 2 is close to transition
One end of mold slots trough floor, which is dug, the positioning through hole 12 to match with locating rod 7, and positioning through hole 12 runs through transition mold
2, digging on transition mold 2 has transition mold cavity 9, and transition mold cavity 9 is connected with fixed mold type chamber 4, transition mold 2
Upside be equipped with moving mold 3, moving mold 3 is dug close to one end of transition mold 2 a pair of locating slot to match with locating rod 7
14, moving mold 3 is dug close to one end of transition mold 2 the moving mold type chamber 13 to match with transition mold cavity 9, and transition
Mold cavity 9 is connected with moving mold type chamber 13, and fixed mold type chamber 4, transition mold cavity 9 and moving mold type chamber 13 are finished product zero
The forming cavity of part, and moving mold 3 is the stamping die of cold headers compacting, transition mold 2 is the assistant formation part of fabricated part, cover half
Tool 1 makes transition mold 2 in transition mold slots for the fixing piece of fabricated part by the cooperation of positioning runner 6 and positioning sliding block 10
It is interior to be not likely to produce shaking when sliding up and down along locating rod 7, it is not easy to influence the precision of finished product, while being not easy to cause locating rod 7 non-
Axial impact, is not easy to make locating rod 7 that non axial deformation occur, locating rod 7 is made to be easy to keep working normally, in die sinking, place
In the compressed spring 8 of compressive state, transition mold 2 can be gone to the direction top far from transition mold slots trough floor, cold headers are de-
Mould.
Referring to Fig. 5, a kind of ball stud cold upsetting forming die and moulding process, including following preparation section:
S1, green compact pretreatment, green compact are carried out preforming, keep the shape and size of green compact and finished product substantially similar, facilitated
Green compact forms below, then will carry out edging by preforming green compact, removes the sharp of the green compacts surfaces such as the hangnail on green compact surface
End prevents green compact from generating the phenomenon that stress is concentrated during cold-heading compression moulding, causes green compact face checking, reduces cold-heading pressure
The rejection rate of system；
S2, cold-heading prepare, and before cold-heading work, need first to carry out mode transfer to cold headers, prevent cold headers in the process of compacting
In occur deviating or to compacting pressure non-uniform phenomenon, be not easy to influence green compact cold-heading effect, cold headers are added in green compact again later
It is interior；
S3, cold-heading molding are pressed green compact using cold headers；
S4, pickup, after cold-heading part compacting, cold headers die sinking, after cold headers die sinking work is completed, work people
Member can be from the intracavitary taking-up fabricated part of cold-heading type.
Fig. 1-4 is please referred to, the upper end of fixed mold 1 is connected with a pair of of limit plate 15, connects between limit plate 15 and fixed mold 1
There is clamping screw 16, and be fixedly connected between limit plate 15 and fixed mold 1 by clamping screw 16, limit plate 15 can be to transition
Mold 2 is limited, and prevents transition mold 2 from slipping out of transition mold slots, and clamping screw 16 makes for locking limit plate 15
Limit plate 15 is not susceptible to rotation sidesway, when staff unscrews clamping screw 16, can rotate to limit plate 15, releases
Locking of the limit plate 15 to transition mold 2 makes staff can be to take out transition mold 2 in transition mold slots, to transition mold 2
It is replaced, maintenance and repair, transverse bearing is connected between positioning through hole 12 and locating rod 7, and transverse bearing and positioning are logical
The inner wall in hole 12 is fixedly connected, and is reduced the abrasion generated when working between positioning through hole 12 and locating rod 7, is not easy to make locating rod 7
Shaking is generated between positioning through hole 12, is not easy to decline fabricated part quality, locating rod 7 is far from transition mold slots trough floor
One end is round end, and be open design at the notch of locating slot 14, i.e. diameter at 14 notch of locating slot is greater than 14 trough floor of locating slot
Diameter, facilitate and positioned between fixed mold 1 and moving mold 3 by locating rod 7 and locating slot 14, make fixed mold 1 and dynamic model
For tool 3 during positioning, locating rod 7 and locating slot 14 are not susceptible to biggish rigid shock, are not easy the precision to cold headers
It affects greatly, the surface of fixed mold type chamber 4, transition mold cavity 9 and moving mold type chamber 13 is equipped with polishing layer, polishing layer
It is equipped with wearing layer, polishing layer can increase the surface smoothness of fabricated part, and wearing layer then can protect polishing layer, make to throw
Photosphere is not easy to be scratched by the sharppointed article of the edge spike of unformed part, is not easy to influence fabricated part quality, transition mold 2
Digging close to one end of transition mold slots trough floor has a pair of lead-over groove 11 to match with compressed spring 8, and lead-over groove 11 is cold
Upsetting machine suppress green compact it is molding during for temporarily storing compressed spring 8, make compressed spring 8 be not easily susceptible to excessive pressure and
Irreversible deformation occurs, is not easy to influence the subsequent demoulding work of cold headers, in the pretreatment of S1 green compact, edging there can be work people
Member carries out manual grinding using sand paper, and sand paper can select the sand paper of W7 model, and edging is bulk processing, and need to only go out piece surface
The sharp objects such as apparent hangnail in S2 cold-heading equipment, carry out before first time cold-heading molding after mode transfer work only needs cold headers to be switched on,
Without gradually mode transfer in cold headers forming process below, when forming number and reaching certain amount, then carry out mode transfer, without by
Secondary mode transfer can increase the shaping efficiency of cold headers, and when molding number reaches certain amount, then mode transfer is carried out, it can increase
The formed precision of cold headers, and carrying out mode transfer again after how many times molding need to carry out according to the complex contour degree of fabricated part
It sets, in S4 pickup, finished product pickup work need to be opened after work is fully finished in cold headers and can just carry out, and prevent cold headers to work
It is damaged as personnel.
Transition mold 2 is packed into transition mold slots, by the pairing of locating rod 7 and positioning through hole 12, staff can
Quickly to be installed, start cold headers, keep moving mold 3 close to fixed mold 1 and transition mold 2, mode transfer is carried out to cold headers,
After mode transfer works, start cold headers, separate transition mold 2 and moving mold 3, then will be put by pretreated green compact
It crosses in mold cavity 9, wherein upward, cylindrical portion downward, starts cold headers, suppressed the round head of green compact, presses in moving mold 3
After reality, presser is completed, then carries out die sinking work, starts cold headers, is separated transition mold 2 and moving mold 3, is being located at this time
Under the action of the compressed spring 8 of compressive state, transition mold 2 is moved towards the trough floor direction far from transition mold slots, simultaneously
Transition mold 2 will drive fabricated part and move together, while carry out the demoulding work of fabricated part.
The combination fabricated part that one-pass molding spherical shape and rod may be implemented does not need staff and carries out by multimachine position
Repeatedly cooperation compression moulding, complicated molding procedure, not easy to operate, is less prone to and causes work because of staff's maloperation
Part molding failure, improves working efficiency significantly, substantially reduces the rejection rate of fabricated part production process, cold headers are significantly increased
The precision of fabricated part, is significantly increased the quality of cold headers fabricated part, while being conveniently removed from the molds fabricated part, convenient
Subsequent part production.
It is described above；It is merely preferred embodiments of the present invention；But scope of protection of the present invention is not limited thereto；
Anyone skilled in the art is in the technical scope disclosed by the present invention；According to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change；It should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of ball stud cold upsetting forming die and moulding process, including fixed mold (1), it is characterised in that: the fixed mold
(1) digging in has transition mold slots, and digging in the trough floor of the transition mold slots has fixed mold type chamber (4), the fixed mold
It is plugged with the thimble cushion block (5) to match with fixed mold type chamber (4) in type chamber (4), is placed in the transition mold slots and oneself
The transition mold (2) that body matches, digging on the side wall of the transition mold slots has positioning runner (6), the transition mold (2)
Side wall on be connected with the positioning sliding block (10) to match with positioning runner (6), connected in the trough floor of the transition mold slots
Have a pair of of locating rod (7), is socketed with compressed spring (8) on the locating rod (7), and one end of compressed spring (8) and stage die
The trough floor of tool slot is fixedly connected, and the transition mold (2) has close to the cutting of one end of transition mold slots trough floor and locating rod
(7) positioning through hole (12) to match, and positioning through hole (12) runs through transition mold (2), digging on the transition mold (2) has
Transition mold cavity (9), and transition mold cavity (9) is connected with fixed mold type chamber (4), the upside of the transition mold (2)
Equipped with moving mold (3), the moving mold (3) is dug close to the one end of transition mold (2) has a pair of and locating rod (7) to match
Locating slot (14), the moving mold (3) digs to have close to the one end of transition mold (2) to be matched with transition mold cavity (9)
Moving mold type chamber (13), and transition mold cavity (9) is connected with moving mold type chamber (13).
2. a kind of ball stud cold upsetting forming die according to claim 1 and moulding process, it is characterised in that: including with
Lower preparation section:
S1, green compact pretreatment, green compact are carried out preforming, keep the shape and size of green compact substantially similar with finished product, facilitate back
Green compact molding, then edging will be carried out by preforming green compact, the sharp end on the green compacts surfaces such as the hangnail on green compact surface is removed, is prevented
Only green compact generates the phenomenon that stress is concentrated during cold-heading compression moulding, causes green compact face checking, reduces cold-heading compacting
Rejection rate；
S2, cold-heading prepare, and before cold-heading work, need first to carry out mode transfer to cold headers, prevent cold headers from going out during compacting
It now deviates or to compacting pressure non-uniform phenomenon, is not easy to influence green compact cold-heading effect, green compact is added in cold headers again later；
S3, cold-heading molding are pressed green compact using cold headers；
S4, pickup, after cold-heading part compacting, cold headers die sinking, after cold headers die sinking work is completed, staff can
From the intracavitary taking-up fabricated part of cold-heading type.
3. a kind of ball stud cold upsetting forming die according to claim 1 and moulding process, it is characterised in that: described fixed
The upper end of mold (1) is connected with a pair of of limit plate (15), is connected with clamping screw between the limit plate (15) and fixed mold (1)
(16), it and between limit plate (15) and fixed mold (1) is fixedly connected by clamping screw (16).
4. a kind of ball stud cold upsetting forming die according to claim 1 and moulding process, it is characterised in that: described fixed
Transverse bearing, and the fixed company of the inner wall of transverse bearing and positioning through hole (12) are connected between position through-hole (12) and locating rod (7)
It connects.
5. a kind of ball stud cold upsetting forming die according to claim 1 and moulding process, it is characterised in that: described fixed
The one end of position bar (7) far from transition mold slots trough floor is round end, and be open design at the notch of the locating slot (14), that is, is positioned
Diameter at slot (14) notch is greater than the diameter of locating slot (14) trough floor.
6. a kind of ball stud cold upsetting forming die according to claim 1 and moulding process, it is characterised in that: described fixed
The surface of mold cavity (4), transition mold cavity (9) and moving mold type chamber (13) is equipped with polishing layer, sets on the polishing layer
There is wearing layer.
7. a kind of ball stud cold upsetting forming die according to claim 1 and moulding process, it is characterised in that: the mistake
Crossing mold (2) and digging close to one end of transition mold slots trough floor has a pair of lead-over groove (11) to match with compressed spring (8).
8. a kind of ball stud cold upsetting forming die according to claim 2 and moulding process, it is characterised in that: the S1
In green compact pretreatment, edging can have staff to carry out manual grinding using sand paper, and sand paper can select the sand paper of W7 model.
9. a kind of ball stud cold upsetting forming die according to claim 2 and moulding process, it is characterised in that: the S2
In cold-heading equipment, carried out before first time cold-heading molding after mode transfer work only needs cold headers to be switched on, in cold headers forming process below
In without gradually mode transfer, when forming number and reaching certain amount, then carry out mode transfer.
10. a kind of ball stud cold upsetting forming die according to claim 2 and moulding process, it is characterised in that: described
In S4 pickup, finished product pickup work need to be opened after work is fully finished in cold headers and can just carry out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910025048.0A CN109877264A (en) | 2019-01-11 | 2019-01-11 | A kind of ball stud cold upsetting forming die and moulding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910025048.0A CN109877264A (en) | 2019-01-11 | 2019-01-11 | A kind of ball stud cold upsetting forming die and moulding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109877264A true CN109877264A (en) | 2019-06-14 |
Family
ID=66925892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910025048.0A Pending CN109877264A (en) | 2019-01-11 | 2019-01-11 | A kind of ball stud cold upsetting forming die and moulding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109877264A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877084A (en) * | 2019-11-22 | 2020-03-13 | 浙江童氏汽车部件股份有限公司 | Automatic cold heading machine for ball pin processing |
| CN112536414A (en) * | 2020-11-09 | 2021-03-23 | 安徽凯瑞汽配制造有限公司 | Bolt cold heading forming die |
| CN117000940A (en) * | 2023-09-04 | 2023-11-07 | 常州市丰乐精锻有限公司 | Forging die, equipment and method for crude material of fuel pipe |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60213329A (en) * | 1984-04-09 | 1985-10-25 | Honda Motor Co Ltd | Die device for forging |
| JPS6372447A (en) * | 1986-09-17 | 1988-04-02 | Musashi Seimitsu Ind Co Ltd | Manufacture of ball stud with neck groove |
| CN101791757A (en) * | 2009-12-30 | 2010-08-04 | 上海市机械制造工艺研究所有限公司 | Process for manufacturing sedan suspension turning drive ball head long draw bars |
| CN202037290U (en) * | 2011-05-05 | 2011-11-16 | 宁波向阳坦科斯特电子有限公司 | Ejection pressing bidirectional upsetting die |
| CN102886443A (en) * | 2012-09-17 | 2013-01-23 | 芜湖市续元工贸有限公司 | Stamping die and stamping method thereof |
| CN102886419A (en) * | 2012-09-17 | 2013-01-23 | 芜湖市续元工贸有限公司 | Blanking stamping die and machining method thereof |
| CN102886435A (en) * | 2012-09-17 | 2013-01-23 | 芜湖市续元工贸有限公司 | Stamping die |
| CN202861157U (en) * | 2012-09-17 | 2013-04-10 | 芜湖市续元工贸有限公司 | Stamping die for sheet metal parts |
| CN202877354U (en) * | 2012-09-17 | 2013-04-17 | 芜湖市续元工贸有限公司 | Novel W-shaped workpiece stamping die |
| CN203418013U (en) * | 2013-08-23 | 2014-02-05 | 济宁金洲金属冲压有限公司 | Punching and blanking mechanism of inner guiding post |
| CN104043766A (en) * | 2013-03-11 | 2014-09-17 | 大进合紧固件（昆山）有限公司 | Cold heading die for engine bearing cover fastener |
| CN104289652A (en) * | 2014-11-04 | 2015-01-21 | 贵州航天精工制造有限公司 | Extrusion forming cold-upsetting die and application method thereof |
| CN204470429U (en) * | 2015-03-19 | 2015-07-15 | 宁海县鑫鸿汽车部件有限公司 | Ball stud mould |
| CN105290291A (en) * | 2015-11-03 | 2016-02-03 | 江苏龙城精锻有限公司 | Closed pre-forging molding die for special-shaped oil spray device body workblank and process of closed pre-forging molding die |
| CN205128835U (en) * | 2015-11-12 | 2016-04-06 | 苏州工业园区新凯精密五金有限公司 | Mould structure of chassis eccentric nut shaping irregularly -shaped hole |
| CN206104691U (en) * | 2016-08-31 | 2017-04-19 | 南通品杰模具材料有限公司 | Center cellular type direction connecting piece stamping die |
| CN206604986U (en) * | 2017-02-21 | 2017-11-03 | 浙江戴卡宏鑫科技有限公司 | Car reflectal wheel hub elasticity pre-pressing die |
| CN108723276A (en) * | 2018-07-24 | 2018-11-02 | 浙江裕泰汽车配件有限公司 | Ball stud Combined mold for processing |
| CN109108203A (en) * | 2018-09-30 | 2019-01-01 | 嘉善宝岛模具厂(普通合伙) | A kind of ball stud cold upsetting forming die and moulding process |
-
2019
- 2019-01-11 CN CN201910025048.0A patent/CN109877264A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60213329A (en) * | 1984-04-09 | 1985-10-25 | Honda Motor Co Ltd | Die device for forging |
| JPS6372447A (en) * | 1986-09-17 | 1988-04-02 | Musashi Seimitsu Ind Co Ltd | Manufacture of ball stud with neck groove |
| CN101791757A (en) * | 2009-12-30 | 2010-08-04 | 上海市机械制造工艺研究所有限公司 | Process for manufacturing sedan suspension turning drive ball head long draw bars |
| CN202037290U (en) * | 2011-05-05 | 2011-11-16 | 宁波向阳坦科斯特电子有限公司 | Ejection pressing bidirectional upsetting die |
| CN202877354U (en) * | 2012-09-17 | 2013-04-17 | 芜湖市续元工贸有限公司 | Novel W-shaped workpiece stamping die |
| CN102886419A (en) * | 2012-09-17 | 2013-01-23 | 芜湖市续元工贸有限公司 | Blanking stamping die and machining method thereof |
| CN102886435A (en) * | 2012-09-17 | 2013-01-23 | 芜湖市续元工贸有限公司 | Stamping die |
| CN202861157U (en) * | 2012-09-17 | 2013-04-10 | 芜湖市续元工贸有限公司 | Stamping die for sheet metal parts |
| CN102886443A (en) * | 2012-09-17 | 2013-01-23 | 芜湖市续元工贸有限公司 | Stamping die and stamping method thereof |
| CN104043766A (en) * | 2013-03-11 | 2014-09-17 | 大进合紧固件（昆山）有限公司 | Cold heading die for engine bearing cover fastener |
| CN203418013U (en) * | 2013-08-23 | 2014-02-05 | 济宁金洲金属冲压有限公司 | Punching and blanking mechanism of inner guiding post |
| CN104289652A (en) * | 2014-11-04 | 2015-01-21 | 贵州航天精工制造有限公司 | Extrusion forming cold-upsetting die and application method thereof |
| CN204470429U (en) * | 2015-03-19 | 2015-07-15 | 宁海县鑫鸿汽车部件有限公司 | Ball stud mould |
| CN105290291A (en) * | 2015-11-03 | 2016-02-03 | 江苏龙城精锻有限公司 | Closed pre-forging molding die for special-shaped oil spray device body workblank and process of closed pre-forging molding die |
| CN205128835U (en) * | 2015-11-12 | 2016-04-06 | 苏州工业园区新凯精密五金有限公司 | Mould structure of chassis eccentric nut shaping irregularly -shaped hole |
| CN206104691U (en) * | 2016-08-31 | 2017-04-19 | 南通品杰模具材料有限公司 | Center cellular type direction connecting piece stamping die |
| CN206604986U (en) * | 2017-02-21 | 2017-11-03 | 浙江戴卡宏鑫科技有限公司 | Car reflectal wheel hub elasticity pre-pressing die |
| CN108723276A (en) * | 2018-07-24 | 2018-11-02 | 浙江裕泰汽车配件有限公司 | Ball stud Combined mold for processing |
| CN109108203A (en) * | 2018-09-30 | 2019-01-01 | 嘉善宝岛模具厂(普通合伙) | A kind of ball stud cold upsetting forming die and moulding process |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877084A (en) * | 2019-11-22 | 2020-03-13 | 浙江童氏汽车部件股份有限公司 | Automatic cold heading machine for ball pin processing |
| CN112536414A (en) * | 2020-11-09 | 2021-03-23 | 安徽凯瑞汽配制造有限公司 | Bolt cold heading forming die |
| CN117000940A (en) * | 2023-09-04 | 2023-11-07 | 常州市丰乐精锻有限公司 | Forging die, equipment and method for crude material of fuel pipe |
| CN117000940B (en) * | 2023-09-04 | 2023-12-19 | 常州市丰乐精锻有限公司 | Forging die, equipment and method for crude material of fuel pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107671283B (en) | Powder metallurgy forming equipment for motor shell | |
| CN110696308A (en) | Mold stripping device for small products | |
| CN110586863A (en) | Precoated sand mold for casting | |
| CN209998226U (en) | machining die | |
| CN209550398U (en) | A kind of precision die avoiding deformation of products | |
| CN210817241U (en) | Multi-step shaft rod cold heading die | |
| CN206317436U (en) | A kind of quick jig | |
| CN215039428U (en) | Nozzle plastic mould location structure | |
| CN207564878U (en) | A kind of mould slide block twice core pulling structure | |
| CN112317698B (en) | Compressor screw casting mold and casting method thereof | |
| CN210047013U (en) | Mould structure of tertiary somatotype | |
| CN203901099U (en) | Equipment capable of increasing die punch grinding quality | |
| CN209832741U (en) | Composite die | |
| CN210548040U (en) | Casting mold opener | |
| CN208164222U (en) | A kind of automobile is without twisting tooth demolding structure | |
| CN209633748U (en) | A kind of Vehicular inner decoration member mold | |
| CN222588077U (en) | A quick return mechanism for mold ejector pin | |
| CN206297112U (en) | Front mould bullet block structure and mould | |
| CN106738514A (en) | A kind of demolding structure of multiple draft angle products | |
| CN206999734U (en) | The ejector rod mechanism of mould | |
| CN215786187U (en) | Hardware mould with shock-absorbing function | |
| CN220720393U (en) | Powder profiling female die | |
| CN217121623U (en) | Inner and outer sleeve type forging die suitable for spherical crown lining plate | |
| CN111907010A (en) | Can realize accurate mould structure of formula is opened in rotation of fixed point dismantlement maintenance | |
| CN210358828U (en) | Locking mechanism for upper die and lower die of die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190614 |
|
| RJ01 | Rejection of invention patent application after publication |