CN203109150U - Rivet cold heading device - Google Patents
Rivet cold heading device Download PDFInfo
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- CN203109150U CN203109150U CN 201220748362 CN201220748362U CN203109150U CN 203109150 U CN203109150 U CN 203109150U CN 201220748362 CN201220748362 CN 201220748362 CN 201220748362 U CN201220748362 U CN 201220748362U CN 203109150 U CN203109150 U CN 203109150U
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 238000009415 formwork Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a rivet cold heading device. The rivet cold heading device comprises a cutting mechanism, a feeding mechanism, a delivery mechanism and five dies, wherein the feeding mechanism corresponds to the cutting mechanism in position; the delivery mechanism moves and feeds materials between the feeding mechanism and the five dies; and a first die is used for forward extrusion for a first rod diameter at a tail formed by a wire rod, a second die is used for forward extrusion for two ends of the wire rod to for a head second rod diameter and a tail second rod diameter and meanwhile enabling the middle of the wire rod to be wider than the two ends of the wire rod, a third die and a fourth die are used for a first rod diameter of a molding head of the wire rod, upsetting a middle rod portion, and enabling steps to be formed at two ends, and a fifth die is used for fine upsetting of the wire rod after the steps are formed to form a flange and a chamfer. According to the rivet cold heading device, all the steps of the wire rod are molded at a time in a mold, the utilization of materials is 100%, a metal flow line inside a rivet is kept integrally, strength of the rivet is strengthened, and production efficiency of the rivet is improved at the same time.
Description
Technical field
The utility model relates to the cold-heading device, particularly a kind of rivet cold-heading device for automobile door lock.
Background technology
Rivet is when moulding, because step is too much, moulding is comparatively complicated.Rivet of the prior art is processed all steps by round rod machine, and cost is higher, and has the dimension chain error in the production process, and operation is various and the production cycle is long, and stock utilization is not high.Therefore, providing a kind of can improve stock utilization, and the rivet cold-heading device that can improve rivet production efficiency simultaneously is the technical problem that those skilled in the art need to be resolved hurrily.
The utility model content
The utility model provides a kind of rivet cold-heading device, to overcome the low and low problem of stock utilization of rivet production efficiency in the prior art.
For solving the problems of the technologies described above, the utility model provides a kind of rivet cold-heading device, comprising: shut-off mechanism, feed mechanism, connecting gear and five moulds, and wherein, described feed mechanism is corresponding with the position of shut-off mechanism; The mobile feeding between described feed mechanism and five moulds of described connecting gear; Described mould comprises: first mould is used for just squeezing wire rod moulding afterbody first bar footpath; Second mould is used for two and rectifies extrusion forming head second bars footpath and afterbody second bar directly, makes the centre of wire rod be wider than the two ends of wire rod simultaneously; The 3rd mould and the 4th mould are used for moulding head first bar footpath, and the jumping-up intermediate shank portion, and two ends form step; The smart rammer of wire rod that the 5th mould will form behind the step forms flange and chamfering; Described five moulds are arranged in order.
As preferably, described five moulds include main mould and punch die, the corresponding setting with punch die of main mould, described main mould comprises main formwork, main die-cushion piece, main mould thimble and main die, wherein, be provided with main die cavity in the described main die, described main die-cushion piece be fixed in the described main formwork after main die is connected, described main mould thimble runs through main die-cushion piece to main die cavity; Described punch die comprises punch die shell, punch die cushion block and towards the film thimble, described punch die cushion block is installed in the described punch die shell, and is connected with described punch die thimble.
As preferably, described second, third, also comprise in the 4th and the 5th mould: punch die benevolence and die springs, described punch die benevolence is arranged in the punch die shell of bottom of described punch die cushion block, be provided with die cavity in the described punch die benevolence, the two ends of described die springs link to each other with the punch die cushion block with described punch die shell.
As preferably, tooth is locked after also being provided with main formwork in the bottom of described main formwork.
As preferably, described connecting gear is clip.
Compared with prior art, the utlity model has following advantage: all steps of rivet disposable cold-heading in rivet cold-heading device is finished, and saving material, stock utilization are 100%, and the metal streamline in the rivet is complete, has improved the intensity of rivet.And, because described rivet cold-heading device is provided with shut-off mechanism, feed mechanism and connecting gear, can automatic charging and transfer material, and the speed of production of mould is fast, make the speed of production of rivet be increased to 70 present per minutes by 2 original per minutes, improved the production efficiency of rivet greatly.
Description of drawings
Fig. 1 is the structural representation of rivet cold-heading device in the utility model one specific embodiment;
Fig. 2 is the structural representation of first mould in the utility model one specific embodiment;
Fig. 3 is the structural representation of the 5th mould in the utility model one specific embodiment;
Fig. 4 is the wire rod structural representation of rivet part just in the utility model one specific embodiment.
Among the figure: the 1-shut-off mechanism, the 2-feed mechanism, the 3-connecting gear, the 4-mould, 41-first mould, 42-second mould, 43-the 3rd mould, 44-the 4th mould, 45-the 5th mould, 401-master's formwork, 402-master's die-cushion piece, 403-master's mould thimble, 404-master's die, 405-master's die cavity, 406-punch die shell, 407-punch die cushion block, 408-punch die thimble, the 409-die springs, 410-punch die benevolence, the 411-die cavity, lock tooth behind 412-master's formwork, the 5-wire rod, 51-afterbody first bar footpath, 52-afterbody second bar footpath, 53-head first bar footpath, 54-head second bar footpath, the 55-flange, the 56-chamfering.
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, and in conjunction with Fig. 2 and Fig. 3, the rivet cold-heading device that the utility model provides comprises: shut-off mechanism 1, feed mechanism 2, connecting gear 3 and five moulds 4, wherein, described feed mechanism 2 is corresponding with the position of shut-off mechanism 1; The mobile feeding between described feed mechanism 1 and five moulds 4 of described connecting gear 3; First mould 41 is used for just squeezing wire rod 5 moulding afterbody afterbodys first bar footpath 51(afterbody smallest shaft diameter just); Second mould 42 is used for two and rectifies extrusion forming head second bars footpath 53 and afterbody second bar footpath 54, makes the centre of wire rod 5 be wider than the two ends of wire rod 5 simultaneously; It is the head smallest shaft diameter that the 3rd mould 43 and the 4th mould 44 are used for moulding head first bar footpath 52(), and the jumping-up intermediate shank portion, two ends form step; Wire rod 5 smart rammers that the 5th mould 45 will form behind the step form flange 55 and chamfering 56.In the utility model, all steps of rivet disposable cold-heading in said apparatus is finished, and saving material, stock utilization are 100%, make that the metal streamline in the rivet is complete, have improved the intensity of rivet.And, because described rivet cold-heading device is provided with shut-off mechanism 1, 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 rivet be increased to 70 present per minutes by 2 original per minutes, improved the production efficiency of rivet greatly.
As preferably, described five moulds 4 include main mould and punch die, and the corresponding setting with punch die of main mould, please emphasis with reference to Fig. 2, and with reference to Fig. 1 and Fig. 3, described main mould comprises: main formwork 401, main die-cushion piece 402, main mould thimble 403 and main die 404, wherein, be provided with main die cavity 405 in the described main die 404, described main die-cushion piece 402 be fixed in the described main formwork 401 after main die 404 is connected, described main mould thimble 403 runs through main die-cushion piece 402 to main die cavity 405; Described punch die comprises punch die shell 406, punch die cushion block 407 and towards film thimble 408, described punch die cushion block 407 is installed in the described punch die shell 406, and is connected with described punch die thimble 408.Particularly, during mould 4 work, main mould is in stationary state, and the punch die cushion block 407 in the punch die and punch die thimble 408 be extruding wire rod 5 downwards, makes wire rod 5 enter into main die cavity 405, thus moulding.
Please refer to Fig. 3, and in conjunction with Fig. 1 and Fig. 2, described second mould 42, the 3rd mould 43, the 4th mould 44 and the 5th mould 45 also comprise: punch die benevolence 410 and die springs 409, described punch die benevolence 410 is arranged in the punch die shell 406 of bottom of punch die cushion block 407, be provided with die cavity 411 in the described punch die benevolence 410, the two ends of described die springs 409 link to each other with punch die cushion block 407 with described punch die shell 406.Described die springs 409 makes described punch die thimble 408 and punch die cushion block 407 be in top state in idle stroke always, that is to say, during the punch die motion, punch die thimble 408 touches wire rod 5 earlier, wire rod 5 is pressed into moulding in the main die cavity 405, punch die benevolence 410 just touches wire rod 5 then, makes wire rod 5 moulding in die cavity 411.Preferable, the punch die thimble 408 in described second mould 42, the 3rd mould 43, the 4th mould 44 and the 5th mould 45 and punch die cushion block 407 flexibly connect, and play the effect that ejects part in the die cavity 411.
Preferable, please continue also to be provided with lock tooth 412 behind the main formwork referring to figs. 2 and 3, the bottom of described main formwork 401, be used for fixing main mould.
Preferable, described connecting gear 3 is clip, the number of clip is finished the whole transmission actions in the rivet cold-heading process with the quantity correspondence of mould 4.
In sum, rivet cold-heading device of the present utility model comprises: shut-off mechanism 1, feed mechanism 2, connecting gear 3 and five moulds 4, and wherein, described feed mechanism 2 is corresponding with the position of shut-off mechanism 1; The mobile feeding between described feed mechanism 1 and five moulds 4 of described connecting gear 3; First mould 41 is used for just squeezing first bar footpath 51 of wire rod 5 moulding afterbodys; Second mould 42 is used for two and rectifies extrusion forming head second bars footpath 53 and afterbody second bar footpath 54, makes the centre of wire rod 5 be wider than the two ends of wire rod 5 simultaneously; The 3rd mould 43 and the 4th mould 44 are used for moulding head first bar footpath 52, and the jumping-up intermediate shank portion, and two ends form step; Wire rod 5 smart rammers that the 5th mould 45 will form behind the step form flange 55 and chamfering 56.Described rivet cold-heading device makes wire rod 5 all steps of one-shot forming in mould 4, and stock utilization is 100%, and makes the metal streamline of rivet inside be kept perfectly, and has increased the intensity of rivet, has improved rivet production efficiency simultaneously.
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 (5)
1. a rivet cold-heading device is characterized in that, comprising: shut-off mechanism, feed mechanism, connecting gear and five moulds, wherein,
Described feed mechanism is corresponding with the position of shut-off mechanism;
The mobile feeding between described feed mechanism and five moulds of described connecting gear;
Described mould comprises:
Be used for just squeezing first mould in wire rod moulding afterbody first bar footpath;
Be used for wire rod two is rectified extrusion forming head second bars footpath and afterbody second bar directly, make the centre of wire rod be wider than second mould at the two ends of wire rod simultaneously;
Be used for online material forming head first bar footpath, and the jumping-up intermediate shank portion, two ends form the 3rd mould and the 4th mould of step;
The smart rammer of wire rod behind the formation step formed the 5th mould of flange and chamfering;
Described five moulds are arranged in order.
2. rivet cold-heading device as claimed in claim 1, it is characterized in that, described five moulds include main mould and punch die, the corresponding setting with punch die of main mould, described main mould comprises main formwork, main die-cushion piece, main mould thimble and main die, wherein, is provided with main die cavity in the described main die, described main die-cushion piece be fixed in the described main formwork after main die is connected, described main mould thimble runs through main die-cushion piece to main die cavity; Described punch die comprises punch die shell, punch die cushion block and towards the film thimble, described punch die cushion block is installed in the described punch die shell, and is connected with described punch die thimble.
3. rivet cold-heading device as claimed in claim 2, it is characterized in that, described second, third, also comprise in the 4th and the 5th mould: punch die benevolence and die springs, described punch die benevolence is arranged in the punch die shell of bottom of described punch die cushion block, be provided with die cavity in the described punch die benevolence, the two ends of described die springs link to each other with the punch die cushion block with described punch die shell.
4. rivet cold-heading device as claimed in claim 2 is characterized in that tooth is locked after also being provided with main formwork in the bottom of described main formwork.
5. rivet cold-heading device as claimed in claim 1 is characterized in that, described connecting gear is clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748362 CN203109150U (en) | 2012-12-29 | 2012-12-29 | Rivet cold heading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748362 CN203109150U (en) | 2012-12-29 | 2012-12-29 | Rivet cold heading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203109150U true CN203109150U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748362 Expired - Lifetime CN203109150U (en) | 2012-12-29 | 2012-12-29 | Rivet cold heading device |
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| CN (1) | CN203109150U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639219A (en) * | 2013-11-27 | 2014-03-19 | 山东建筑大学 | Extruding method and mould for high-strength low carbon steel round head rivet |
| CN104057007A (en) * | 2014-06-16 | 2014-09-24 | 沈阳飞机工业（集团）有限公司 | Hard alloy female die for semi-flat round head rivets and flat taper head rivets and processing method of hard alloy female die |
| CN104209447A (en) * | 2014-08-15 | 2014-12-17 | 宾科汽车紧固件（昆山）有限公司 | Cold-heading device for irregular connecting rod and production technique thereof |
| CN104475624A (en) * | 2014-12-01 | 2015-04-01 | 苏州工业园区新凯精密五金有限公司 | Forming technique for seat back angle adjustment shaft and die structure for forming flange |
| CN106180481A (en) * | 2016-08-30 | 2016-12-07 | 苏州工业园区新凯精密五金有限公司 | A kind of parking brake terminal cold-heading device and cold heading technique thereof |
| CN108832450A (en) * | 2018-05-29 | 2018-11-16 | 大宁县鑫辉电子元件制造有限公司 | A kind of production method of mine lamp wiring board contact pin |
| CN108971412A (en) * | 2018-07-16 | 2018-12-11 | 靖江市恒丰铆钉制造有限公司 | A kind of rivet cold heading technique |
| CN112008032A (en) * | 2019-05-31 | 2020-12-01 | 宾科精密部件(中国)有限公司 | Extrusion forming method and forming device for self-fastening I-shaped rivet |
| CN112792513A (en) * | 2021-01-19 | 2021-05-14 | 上海奥达科股份有限公司 | Production process and device for double-chamfer straight-tooth press-fitting bolt |
| CN113172190A (en) * | 2021-04-15 | 2021-07-27 | 沈阳和世泰通用钛业有限公司 | Forging forming method |
| CN114074168A (en) * | 2020-08-19 | 2022-02-22 | 宾科汽车紧固件（昆山）有限公司 | Bolt forming method and cold heading device |
| CN116851611A (en) * | 2023-06-29 | 2023-10-10 | 内德史罗夫紧固件（昆山）有限公司 | Self-drilling screw forming process and mold with specific tail shape |
-
2012
- 2012-12-29 CN CN 201220748362 patent/CN203109150U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639219A (en) * | 2013-11-27 | 2014-03-19 | 山东建筑大学 | Extruding method and mould for high-strength low carbon steel round head rivet |
| CN103639219B (en) * | 2013-11-27 | 2016-02-17 | 山东建筑大学 | A kind of once-forming method obtaining high-strength low carbon steel round head rivet |
| CN104057007A (en) * | 2014-06-16 | 2014-09-24 | 沈阳飞机工业（集团）有限公司 | Hard alloy female die for semi-flat round head rivets and flat taper head rivets and processing method of hard alloy female die |
| CN104209447A (en) * | 2014-08-15 | 2014-12-17 | 宾科汽车紧固件（昆山）有限公司 | Cold-heading device for irregular connecting rod and production technique thereof |
| CN104475624A (en) * | 2014-12-01 | 2015-04-01 | 苏州工业园区新凯精密五金有限公司 | Forming technique for seat back angle adjustment shaft and die structure for forming flange |
| CN106180481A (en) * | 2016-08-30 | 2016-12-07 | 苏州工业园区新凯精密五金有限公司 | A kind of parking brake terminal cold-heading device and cold heading technique thereof |
| CN108832450A (en) * | 2018-05-29 | 2018-11-16 | 大宁县鑫辉电子元件制造有限公司 | A kind of production method of mine lamp wiring board contact pin |
| CN108971412A (en) * | 2018-07-16 | 2018-12-11 | 靖江市恒丰铆钉制造有限公司 | A kind of rivet cold heading technique |
| CN112008032A (en) * | 2019-05-31 | 2020-12-01 | 宾科精密部件(中国)有限公司 | Extrusion forming method and forming device for self-fastening I-shaped rivet |
| CN112008032B (en) * | 2019-05-31 | 2022-05-20 | 宾科精密部件(中国)有限公司 | Extrusion forming method and forming device of self-fastening I-shaped rivet |
| CN114074168A (en) * | 2020-08-19 | 2022-02-22 | 宾科汽车紧固件（昆山）有限公司 | Bolt forming method and cold heading device |
| CN112792513A (en) * | 2021-01-19 | 2021-05-14 | 上海奥达科股份有限公司 | Production process and device for double-chamfer straight-tooth press-fitting bolt |
| CN113172190A (en) * | 2021-04-15 | 2021-07-27 | 沈阳和世泰通用钛业有限公司 | Forging forming method |
| CN113172190B (en) * | 2021-04-15 | 2023-08-22 | 沈阳和世泰通用钛业有限公司 | Forging forming method |
| CN116851611A (en) * | 2023-06-29 | 2023-10-10 | 内德史罗夫紧固件（昆山）有限公司 | Self-drilling screw forming process and mold with specific tail shape |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |