CN203109154U - Cold heading device of upper and lower adjustable bolts - Google Patents
Cold heading device of upper and lower adjustable bolts Download PDFInfo
- Publication number
- CN203109154U CN203109154U CN 201220748363 CN201220748363U CN203109154U CN 203109154 U CN203109154 U CN 203109154U CN 201220748363 CN201220748363 CN 201220748363 CN 201220748363 U CN201220748363 U CN 201220748363U CN 203109154 U CN203109154 U CN 203109154U
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- mould
- punch die
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- wire rod
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Abstract
The utility model discloses a cold heading device of upper and lower adjustable bolts. The cold heading device comprises a feeding mechanism, a cutting-off mechanism, a conveying mechanism and six dies. The feeding mechanism corresponds to the cutting-off mechanism in position. The conveying mechanism moves to convey materials among the feeding mechanism and the dies. A first die is used for forming a twist thread rod diameter of a wire rod. A second die is used for forming a flat position of the wire rod. A third die is used for straightening the rod portion of the wire rod. A fourth die is used for pre-heading the head portion of the wire rod. A fifth die is used for heading the head portion of the wire rod to be a flat special hexagon head. A sixth die is used for fine heading the flat special hexagon head. The cold heading is conducted on the wire rod in sequence through the six dies, the third die straightens the rod portion of the wire rod, and the sixth die controls each relevant size of the wire rod, so that milling flat position process and milling hexagon flat position process are reduced, and production efficiency is improved.
Description
Technical field
The utility model relates to technical field of mold, particularly a kind of up-down adjustment bolt cold-heading device that is applied to the vehicle steering steering gear.
Background technology
At present, automobile is very universal as a kind of main vehicles, and the detection of various parameters in the process of moving also receives much concern for automobile.The data of steering wheel rotational angle have important function for the operation behavior of studying driver under the various situations, driving condition etc.Now in the vehicle traveling process, particularly during straight-line travelling, the real-time precise monitoring research of steering wheel rotational angle is not enough.
The up-down adjustment bolt is the important composition parts in the vehicle steering rot.In the prior art, the production technology of up-down adjustment bolt comprises: cold-heading, machine add, threading, heat treatment, phosphatization and finished product; Wherein, cold-heading is to utilize cold-heading that the wire rod cold forming is become blank, it is by the board cutter blank to be processed into corresponding finished size that machine adds, threading then is by the threading machine product to be carried out further dimensioned, heat treatment is to reach HRC28 ~ HRC37 for the hardness that makes described up-down adjustment bolt, phosphatization is that surface-treated is a kind of, can improve the antiseptic property of up-down adjustment bolt.Because in the cold-heading process, product is difficult to guarantee the depth of parallelism of product when die for molding, therefore need finish laggard parallel planes miller skill at cold heading technique, make the production cost of bolt improve, it is long to have increased deviation, inefficiency, production cycle that the bolt clamping causes size.
The utility model content
The utility model provides a kind of up-down adjustment bolt cold-heading device, to overcome in the prior art the low problem of product efficiency in the cold-heading process.
For solving the problems of the technologies described above, the utility model provides a kind of up-down adjustment bolt cold-heading device, comprises feed mechanism, shut-off mechanism, connecting gear and six moulds, and described feed mechanism is corresponding with the position of shut-off mechanism; The mobile feeding between described feed mechanism and six moulds of described connecting gear; Described mould comprises: first mould that is used for the threading bar footpath of shape wire; Second mould that is used for the flat position of shape wire; The 3rd mould that is used for the bar portion of alignment wire rod; The 4th mould that is used for the head of pre-rammer wire rod; Being used for the head of wire rod is upset is the 5th mould of the special-shaped turret head in flat position; Be used for the 6th mould of the smart special-shaped turret head in described flat position of upsetting, six moulds are arranged in order setting.
As preferably, described mould includes punch die and main mould, described punch die and main mould are corresponding to be arranged, described main mould comprises: main formwork, main die and main mould thimble, be provided with main die cavity in the described main die, described main die is arranged in the described main formwork, and described main mould thimble runs through described main die to main die cavity, described punch die comprises: punch die shell, punch die cushion block and punch die thimble, described punch die cushion block are arranged in the described punch die shell and with described punch die thimble and link to each other.
As preferably, in described first, second, third mould, the punch die thimble is fixedlyed connected with the punch die cushion block.
As preferably, in described the 4th, the 5th, the 6th mould, punch die thimble and punch die cushion block flexibly connect.
As preferably, described the 5th, the 6th mould also comprises: punch die Renhe die springs, be provided with die cavity in the described punch die benevolence, and described punch die benevolence links to each other with described punch die cushion block by described die springs.
As preferably, be connected the location by a pin between described punch die benevolence and the punch die shell.
As preferably, be connected the location by a location screw between described main formwork and the described main film benevolence.
Compared with prior art, the utlity model has following advantage:
The utility model is in flat position back alignment bar portion of the bar portion of just squeezing wire rod, guaranteed the linearity of bar portion, need not to mill flat position technology, when essence is upset the special-shaped turret head in flat position, can control the size of wire rod simultaneously, follow-uply need not to mill hexagonal technology, therefore also need not described wire rod is carried out the secondary clamping after the cold-heading, reduced the dimensional discrepancy in the clamping process, reduced production cost, shorten life cycle of the product, improved production efficiency of products simultaneously.
Description of drawings
Fig. 1 is the structural representation of up-down adjustment bolt cold-heading device in the utility model one specific embodiment;
Fig. 2 is the structural representation of first, second or the 3rd mould in the up-down adjustment bolt cold-heading device in the utility model one specific embodiment;
Fig. 3 is the structural representation of the 4th mould in the up-down adjustment bolt cold-heading device in the utility model one specific embodiment;
Fig. 4 is the structural representation of the 5th or the 6th mould in the up-down adjustment bolt cold-heading device in the utility model one specific embodiment.
Among the figure: 1-feed mechanism, 2-shut-off mechanism, 3-connecting gear, 4-mould, 41-first mould, 42-second mould, 43-the 3rd mould, 401-master's formwork, 402-master's die, 403-master's mould thimble, 404-master's die cavity, 405-punch die shell, 406-punch die cushion block, 407-punch die thimble, 408-punch die benevolence, 409-die springs, 410-die cavity, 411-pin, 412-set screw.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail.It should be noted that the utility model accompanying drawing all adopts the form of simplification and all uses non-ratio accurately, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
Please refer to Fig. 1, up-down adjustment bolt cold-heading device of the present utility model, comprise feed mechanism 1, shut-off mechanism 2, connecting gear 3 and several moulds 4, described feed mechanism 1 is corresponding with the position of shut-off mechanism 2, the mobile feeding between described feed mechanism 2 and mould 4 of described connecting gear 3; First mould 41 is used for the threading bar footpath of shape wire; Second mould 42 is used for the flat position of shape wire; The 3rd mould 43 is used for the bar portion of alignment wire rod; The 4th mould 44 is used for the head of pre-rammer wire rod; The 5th mould 45 is upset the head of wire rod and is the special-shaped turret head in flat position; The 6th mould 46 is used for the smart special-shaped turret head in described flat position of upsetting.The utility model carries out cold-heading to wire rod successively by six moulds 4 to be handled, and the bar portion that passes through the 3rd mould 43 alignment wire rods, each relative dimensions of the 6th mould 46 control wire rods, reduced and milled flat position technology and mill the flat position of hexagonal technology, and the flat position of bar portion and the flat position of hexagonal can not be milled simultaneously, therefore, the utility model has reduced the dimensional discrepancy brought of secondary clamping to the up-down adjustment bolt with respect to prior art.Simultaneously, because described rivet cold-heading device is provided with shut-off mechanism, feed mechanism 2 and connecting gear 3, can automatic charging and transfer material, and the speed of production of mould 4 is fast, make the speed of production of up-down adjustment bolt be increased to 60 present per minutes by 2 original per minutes, improved the production efficiency of up-down adjustment bolt greatly.
Preferable, the structure of described first mould 41, second mould 42, the 3rd mould 43 is identical, and described the 5th mould 45 is identical with the structure of the 6th mould 46.
Please refer to Fig. 2 ~ 4, and in conjunction with Fig. 1, described six moulds 4 include punch die and main mould, described punch die and main mould are corresponding to be arranged, described main mould comprises: main formwork 401, main die 402 and main mould thimble 403, be provided with main die cavity 404 in the described main die 402, described main die 402 is arranged in the described main formwork 401, described main mould thimble 403 runs through described main die 402 to main die cavity 404, described punch die comprises: punch die shell 405, punch die cushion block 406 and punch die thimble 407, described punch die cushion block 406 are arranged in the described punch die shell 405 and with described punch die thimble 407 and link to each other.Preferable, in described first mould 41, second mould 42, the 3rd mould 43, punch die thimble 407 is fixedlyed connected with punch die cushion block 406, that is, punch die thimble 407 and punch die cushion block 406 play that wire rod is advanced effect in the main die cavity 404.
Please refer to Fig. 3 and Fig. 4, and in conjunction with Fig. 1, in described the 4th mould 44, the 5th mould 45, the 6th mould 46, punch die thimble 407 and punch die cushion block 406 flexibly connect.Please refer to Fig. 4, and in conjunction with Fig. 1 ~ 3, described the 5th mould 45, the 6th mould 46 also comprise: punch die benevolence 408 and die springs 409, be provided with die cavity 410 in the described punch die benevolence 408, and described punch die benevolence 408 links to each other with described punch die cushion block 406 by described die springs 409.Under the effect of die springs 409, can guarantee that punch die benevolence 408 touches part earlier, cold-heading is carried out at the top of part, after cold-heading was finished, described the 3rd punch die thimble 436 and the 3rd punch die cushion block 435 ejected part.Punch die thimble 407 and punch die cushion block 407 flexibly connected, cold heading technique is more prone to and fast, that is, can more fast wire rod be directly upset into the special-shaped turret head in flat position by pole, improved production efficiency of products.
As preferably, please continue with reference to Fig. 4, be connected the location by a pin 411 between described punch die benevolence 408 and the punch die shell 405, avoid punch die benevolence 408 to be shifted in the course of the work, product size is impacted.Is connected location by a location screw 412 between described main formwork 405 and the described main film benevolence 408, avoids the main die 408 generations phenomenons that are shifted equally.
Preferable, the workflow of described up-down adjustment bolt cold-heading device comprises: shear wire rod and feeding; The threading bar footpath of first mould, 41 shape wires; The flat position of second mould, 42 shape wires; The bar portion of the 3rd mould 43 alignment wire rods; The head of the 4th mould 44 pre-rammer wire rods; The 5th mould 45 is upset the head of wire rod and is the special-shaped turret head in flat position; 46 pairs of special-shaped turret heads in described flat position of the 6th mould carry out essence upsets, and the size of control part.The utility model is in flat position back alignment bar portion of the bar portion of just squeezing wire rod, guaranteed the linearity of bar portion, follow-uply need not to mill flat position technology, when essence is upset the special-shaped turret head in flat position, controlled the size of wire rod, that is: proofreaded the depth of parallelism of the flat position of hexagonal and bar portion voluntarily, follow-uply need not to mill hexagonal technology, therefore also need not described wire rod is carried out the secondary clamping after the cold-heading, reduced the dimensional discrepancy in the clamping process, reduce production cost, shortened life cycle of the product, improved production efficiency of products simultaneously.Preferable, it is 120 ~ 150 tons that the pressure of six moulds 4 is made power, six moulds 4 all adopt forward extrusion technology, are convenient to moulding, and can improve the intensity of up-down adjustment bolt.
In sum, up-down adjustment bolt cold-heading device of the present utility model, comprise feed mechanism 1, shut-off mechanism 2, connecting gear 3 and several moulds 4, described feed mechanism 1 is corresponding with the position of shut-off mechanism 2, the mobile feeding between described feed mechanism 2 and mould 4 of described connecting gear 3; First mould 41 is used for the threading bar footpath of shape wire; Second mould 42 is used for the flat position of shape wire; The 3rd mould 43 is used for the bar portion of alignment wire rod; The 4th mould 44 is used for the head of pre-rammer wire rod; The 5th mould 45 is upset the head of wire rod and is the special-shaped turret head in flat position; The 6th mould 46 is used for the smart special-shaped turret head in described flat position of upsetting.The utility model carries out cold-heading to wire rod successively by six moulds 4 to be handled, and the bar portion that passes through the 3rd mould 43 alignment wire rods, each relative dimensions of the 6th mould 46 control wire rods, reduced and milled flat position technology and mill the flat position of hexagonal technology, and the flat position of bar portion and the flat position of hexagonal can not be milled simultaneously, therefore, the utility model has reduced the dimensional discrepancy brought of secondary clamping to the up-down adjustment bolt with respect to prior art.Simultaneously, because described up-down adjustment bolt cold-heading device is provided with shut-off mechanism, feed mechanism 2 and connecting gear 3, can automatic charging and transfer material, and the speed of production of mould 4 is fast, make the speed of production of up-down adjustment bolt be increased to 60 present per minutes by 2 original per minutes, improved the production efficiency of up-down adjustment bolt greatly.
Obviously, those skilled in the art can carry out various changes and modification to utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these revise and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these change and modification.
Claims (7)
1. a up-down adjustment bolt cold-heading device is characterized in that, comprises feed mechanism, shut-off mechanism, connecting gear and six moulds,
Described feed mechanism is corresponding with the position of shut-off mechanism;
The mobile feeding between described feed mechanism and six moulds of described connecting gear;
Described mould comprises: first mould that is used for the threading bar footpath of shape wire;
Second mould that is used for the flat position of shape wire;
The 3rd mould that is used for the bar portion of alignment wire rod;
The 4th mould that is used for the head of pre-rammer wire rod;
Being used for the head of wire rod is upset is the 5th mould of the special-shaped turret head in flat position;
Be used for the 6th mould of the smart special-shaped turret head in described flat position of upsetting, six moulds are arranged in order setting.
2. up-down adjustment bolt cold-heading device as claimed in claim 1, it is characterized in that, described mould includes punch die and main mould, described punch die and main mould are corresponding to be arranged, described main mould comprises: main formwork, main die and main mould thimble, be provided with main die cavity in the described main die, described main die is arranged in the described main formwork, described main mould thimble runs through described main die to main die cavity, described punch die comprises: punch die shell, punch die cushion block and punch die thimble, described punch die cushion block are arranged in the described punch die shell and with described punch die thimble and link to each other.
3. up-down adjustment bolt cold-heading device as claimed in claim 2 is characterized in that, in described first, second, third mould, the punch die thimble is fixedlyed connected with the punch die cushion block.
4. up-down adjustment bolt cold-heading device as claimed in claim 2 is characterized in that, in described the 4th, the 5th, the 6th mould, punch die thimble and punch die cushion block flexibly connect.
5. up-down adjustment bolt cold-heading device as claimed in claim 4, it is characterized in that, described the 5th, the 6th mould also comprises: punch die Renhe die springs, be provided with die cavity in the described punch die benevolence, and described punch die benevolence links to each other with described punch die cushion block by described die springs.
6. up-down adjustment bolt cold-heading device as claimed in claim 5 is characterized in that, is connected the location by a pin between described punch die benevolence and the punch die shell.
7. up-down adjustment bolt cold-heading device as claimed in claim 2 is characterized in that, is connected the location by a location screw between described main formwork and the described main film benevolence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748363 CN203109154U (en) | 2012-12-29 | 2012-12-29 | Cold heading device of upper and lower adjustable bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748363 CN203109154U (en) | 2012-12-29 | 2012-12-29 | Cold heading device of upper and lower adjustable bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203109154U true CN203109154U (en) | 2013-08-07 |
Family
ID=48889532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748363 Expired - Lifetime CN203109154U (en) | 2012-12-29 | 2012-12-29 | Cold heading device of upper and lower adjustable bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203109154U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552705A (en) * | 2017-10-11 | 2018-01-09 | 海盐华阳五金有限公司 | A kind of Combined screw mould |
| 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 |
-
2012
- 2012-12-29 CN CN 201220748363 patent/CN203109154U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552705A (en) * | 2017-10-11 | 2018-01-09 | 海盐华阳五金有限公司 | A kind of Combined screw mould |
| CN107552705B (en) * | 2017-10-11 | 2024-02-20 | 湖南亚新金属科技有限公司 | Combined screw die |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |