CN204094040U - Abnormity connecting rod cold-heading device - Google Patents
Abnormity connecting rod cold-heading device Download PDFInfo
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- CN204094040U CN204094040U CN201420462646.7U CN201420462646U CN204094040U CN 204094040 U CN204094040 U CN 204094040U CN 201420462646 U CN201420462646 U CN 201420462646U CN 204094040 U CN204094040 U CN 204094040U
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- 239000000463 material Substances 0.000 claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 230000000875 corresponding Effects 0.000 claims description 8
- 238000009415 formwork Methods 0.000 claims description 7
- 239000011265 semifinished product Substances 0.000 abstract description 10
- 238000007493 shaping process Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 230000002708 enhancing Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000006011 modification reaction Methods 0.000 description 3
- 238000000137 annealing Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Abstract
The utility model relates to a kind of special-shaped connecting rod cold-heading device, and comprise material cutting mechanism, ejecting mechanism, connecting gear and five moulds, wire raw material wire rods cuts off by described material cutting mechanism, the wire raw material wire rods jack-up that described ejecting mechanism will cut off; Connecting gear is moving feeding between ejecting mechanism and five moulds; Described five moulds comprise: for forming cylinder bar bottom roundings the first mould, for the little bar of first time forward extrusion and first time preformed flange the second mould, the 3rd mould, the 4th mould for third time preformed flange and the 5th mould for shaped flange for the little bar of second time forward extrusion and second time preformed flange, described five moulds are arranged in order.The utility model first utilizes the shaping special-shaped connecting rod semi-finished product of cold-heading technology, replaces the mode of prior art, can realize the dimensional requirement of special-shaped connecting rod, save material and cost, keep the complete of metal streamline, increase the intensity of part, enhance productivity simultaneously.
Description
Technical field
The utility model relates to a kind of cold-heading device for the manufacture of the special-shaped connecting rod in automobile steering system.
Background technology
In automobile steering system, usually need to use a kind of special-shaped connecting rod 10, please refer to Fig. 1 a to 1c, described special-shaped connecting rod 10 comprises the flange 11 that diameter is 48mm, and the side of described flange 11 is cylindrical bar 12, and the bottom of described cylindrical bar 12 is fillet 13; Flange 11 opposite side is the flat sheet 14 with through hole 15, and described flat sheet 14 is connected with car body, described cylindrical bar 12 with coordinate sleeve interference fit, to realize connection function.Because flange 11 diameter is larger, and both sides shape is special, the method of this special-shaped connecting rod 10 of current production is that first hot upsetting is combined with machined, but the stock utilization of this mode is too low, and the production cycle is long, efficiency is low, processing cost is high, and hot upsetting process easily produces overheated, burning, and machining process can destroy the metal streamline of material, reduce the strength of materials, cause unstable product quality.
Utility model content
The utility model provides a kind of special-shaped connecting rod cold-heading device, to solve the problems of the technologies described above.
For solving the problems of the technologies described above, the utility model provides a kind of special-shaped connecting rod cold-heading device, comprises material cutting mechanism, ejecting mechanism, connecting gear and five moulds, wherein,
Wire raw material wire rods cuts off by described material cutting mechanism, the wire raw material wire rods jack-up that described ejecting mechanism will cut off;
Described connecting gear is moving feeding between described ejecting mechanism and five moulds;
Described five moulds comprise: for forming cylinder bar bottom roundings the first mould, for first time forward extrusion part to be processed and first time preformed flange the second mould, the 3rd mould, the 4th mould for third time preformed flange and the 5th mould for shaped flange for part to be processed described in second time forward extrusion and second time preformed flange, described five moulds are arranged in order.
Preferably, described five moulds include main mould and punch die, described main mould comprises main formwork, main die, main die-cushion block, main mould thimble and main mould thimble cushion block, described main die is located in described main formwork, master cast chamber is provided with in described main die, described main die-cushion block is located at below described main die, and one end of described main mould thimble is fixed on described main mould thimble cushion block, and the other end stretches in described master cast chamber through described main die-cushion block and main die; Described punch die comprises punch die shell, punch die cushion block and punch die thimble, and described punch die cushion block is located in described punch die shell, and one end of described punch die thimble is fixed on described punch die cushion block, and it is corresponding with described master cast chamber that the other end passes described punch die shell.
Preferably, the punch die mass motion under the driving of drive unit in described five moulds.
Preferably, described second, third, in the punch die of the 4th and the 5th mould, also comprise die cavity, described die cavity is corresponding with described master cast chamber, described punch die cushion block is connected by spring with described punch die shell, and described punch die thimble can move up and down in described die cavity.
Preferably, described connecting gear adopts clip.
Preferably, described five moulds are all installed on pressure to make power are on the cold headers of 430 ~ 450 tons.
Compared with prior art, the utility model has the following advantages: the utility model first utilizes the cold-heading of cold-heading technology to form special-shaped connecting rod semi-finished product, instead of hot upsetting and mach mode, and the dimensional requirement of special-shaped connecting rod can be realized, save material and cost, keep the complete of metal streamline, increase the intensity of part, improve production efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 a is the front view of special-shaped connecting rod;
Fig. 1 b is the left view of Fig. 1 a;
Fig. 1 c is the sectional view of Fig. 1 a;
Fig. 2 is the half-finished structural representation of special-shaped connecting rod;
Fig. 3 is the structural representation of the special-shaped connecting rod cold-heading device of the utility model one detailed description of the invention;
Fig. 4 is the structural representation of the first mould of the utility model one detailed description of the invention;
Fig. 5 is the structural representation of the second mould of the utility model one detailed description of the invention.
In figure: 10-abnormity connecting rod, 11-flange, 12-cylindrical bar, 13-fillet, 14-flat sheet, 15-through hole;
20-abnormity connecting rod semi-finished product, 21-part to be processed;
100-material cutting mechanism, 200-ejecting mechanism, 300-connecting gear, 400-mould, 410-first mould, the main formwork of 411-, the main die of 412-, 413-main die-cushion block, 414-main mould thimble, 415-main mould thimble cushion block, 416-master cast chamber, 417-punch die shell, 418-punch die cushion block, 419-punch die thimble, 420-second mould, 421-die cavity, 422-spring, 430-the 3rd mould, 440-the 4th mould, 450-the 5th mould.
Detailed description of the invention
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail detailed description of the invention of the present utility model below in conjunction with accompanying drawing.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 object that is convenient, aid illustration the utility model embodiment lucidly.
The special-shaped connecting rod cold-heading device that the utility model provides, as shown in Figure 3, and composition graphs 2 and Fig. 1 a to 1c, comprise material cutting mechanism 100, ejecting mechanism 200, connecting gear 300 and five moulds 400, wherein,
Wire raw material wire rods cuts off by described material cutting mechanism 100, the wire raw material wire rods jack-up that described ejecting mechanism 200 will cut off;
Described connecting gear 300 is moving feeding between described ejecting mechanism 200 and five moulds 400, and in the present embodiment, described connecting gear 300 adopts clip;
Described five moulds 400 comprise: for forming cylinder bar 12 bottom roundings 13 the first mould 410, for first time forward extrusion part to be processed 21 and first time preformed flange 11 the second mould 420, the 3rd mould 430, the 4th mould 440 for third time preformed flange 11 and the 5th mould 450 for shaped flange 11 for part 21 to be processed described in second time forward extrusion and second time preformed flange 11, described five moulds 400 are arranged in order, particularly, described five moulds 400 are all installed on pressure to make power are on the cold headers of 430 ~ 450 tons.The utility model first utilizes the shaping special-shaped connecting rod semi-finished product 20 of cold-heading technology, replaces cold-heading and mach mode, and can realize the dimensional requirement of special-shaped connecting rod 10, save material and cost, keep the complete of metal streamline, increase the intensity of part, improve production efficiency simultaneously.
Preferably, described five moulds 400 include main mould and punch die, please emphasis with reference to figure 4, for the first mould 410, described main mould comprises main formwork 411, main die 412, main die-cushion block 413, main mould thimble 414 and main mould thimble cushion block 415, described main die 412 is located in described main formwork 411, master cast chamber 416 is provided with in described main die 412, described main die-cushion block 413 is located at below described main die 412, one end of described main mould thimble 414 is fixed on described main mould thimble cushion block 415, the other end stretches in described master cast chamber 416 through described main die-cushion block 413 and main die 412, described punch die comprises punch die shell 417, punch die cushion block 418 and punch die thimble 419, described punch die cushion block 418 is located in described punch die shell 417, one end of described punch die thimble 419 is fixed on described punch die cushion block 418, and it is corresponding with described master cast chamber 416 that the other end passes described punch die shell 417.In cold-heading process, product is transferred to corresponding position above master cast chamber 416 by connecting gear 300, punch die thimble 419 promotes in product introduction master cast chamber 416, principle according to material plasticity distortion reaches dimensional requirement in master cast chamber 416, after shaping, released by product by main mould thimble 414, product is sent in next mould 400 by connecting gear 300.
Preferably, the punch die mass motion under the driving of drive unit in described five moulds 410,420,430,440,450.
Preferably, ask emphasis with reference to figure 5, for the second mould 420, described second, third, in the punch die of the 4th and the 5th mould 420,430,440,450, also comprise die cavity 421, described die cavity 421 is corresponding with described master cast chamber 416, the common die cavity forming constraint product size; Described punch die cushion block 418 is connected by spring 422 with described punch die shell 417, and described punch die thimble 419 can move up and down in described die cavity 421.That is, at second, third, in the 4th and the 5th mould 420,430,440,450, punch die entirety moves downward, punch die thimble 419 promotes in product introduction master cast chamber 416, when punch die shell 417 cannot continue to decline, product promotes punch die thimble 419 Compress Spring 422, and to be reduced to punch die shell 417 inner, makes master cast chamber 416 and die cavity 421 hold whole product and moulding, thus shaping special-shaped connecting rod semi-finished product 20.
The production technology of described special-shaped connecting rod 10 is as follows:
S1: adopt the shaping special-shaped connecting rod semi-finished product 20 of special-shaped connecting rod cold-heading device as above;
S2: side (i.e. part 21 to be processed) corresponding with described cylindrical bar 12 for described special-shaped connecting rod semi-finished product 20 is flattened, shaping flat sheet 14;
S3: adopt the through hole 15 on the shaping described flat sheet 14 of stamping-out mode.
Certainly, can annealing steps be added before step S2, guarantee that flattening process in which materials does not ftracture; Electrophoresis step can be added, to process product surface after S3 step.
Whole process, without the need to machined, replaces hot upsetting and mach mode, and can realize the dimensional requirement of special-shaped connecting rod 10, saves material and cost, keeps the complete of metal streamline, increases the intensity of part, improves production efficiency simultaneously.
The mode that the special-shaped connecting rod cold-heading device utilizing the utility model to provide manufactures described special-shaped connecting rod semi-finished product 20 is as follows:
S11: shear wire raw material wire rods and feeding;
S12: the first mould 410 forming cylinder bar 12 bottom roundings 13;
S13: the second mould 420 first time forward extrusion part 21 to be processed and first time preformed flange 11;
Part 21 to be processed and second time preformed flange 11 described in S14: the three mould 430 second time forward extrusion;
S15: the four mould 440 third time preformed flange 11;
S16: the five mould 450 shaped flange 11.
According to the principle of equal-volume conversion first cold-heading abnormity connecting rod semi-finished product 20, then direct part 21 to be processed flattening reaches product size, the utility model achieves the raising of the production efficiency of product, brought up to 2 minutes/part by current 5 minutes/part, stock utilization have also been obtained great raising.
Preferably, described wire raw material wire rods adopts spheroidizing material, avoids in cold-heading and flattening process, material cracks.
The utility model first utilizes the shaping special-shaped connecting rod semi-finished product 20 of cold-heading technology, replaces hot upsetting and mach mode, and can realize the dimensional requirement of special-shaped connecting rod 10, save material and cost, keep the complete of metal streamline, increase the intensity of part, improve production efficiency simultaneously.
Obviously, those skilled in the art can carry out various change and modification to utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (6)
1. a special-shaped connecting rod cold-heading device, is characterized in that, comprises material cutting mechanism, ejecting mechanism, connecting gear and five moulds, wherein,
Wire raw material wire rods cuts off by described material cutting mechanism, the wire raw material wire rods jack-up that described ejecting mechanism will cut off;
Described connecting gear is moving feeding between described ejecting mechanism and five moulds;
Described five moulds comprise: for forming cylinder bar bottom roundings the first mould, for first time forward extrusion part to be processed and first time preformed flange the second mould, the 3rd mould, the 4th mould for third time preformed flange and the 5th mould for shaped flange for part to be processed described in second time forward extrusion and second time preformed flange, described five moulds are arranged in order.
2. special-shaped connecting rod cold-heading device as claimed in claim 1, it is characterized in that, described five moulds include main mould and punch die, described main mould comprises main formwork, main die, main die-cushion block, main mould thimble and main mould thimble cushion block, described main die is located in described main formwork, master cast chamber is provided with in described main die, described main die-cushion block is located at below described main die, one end of described main mould thimble is fixed on described main mould thimble cushion block, and the other end stretches in described master cast chamber through described main die-cushion block and main die; Described punch die comprises punch die shell, punch die cushion block and punch die thimble, and described punch die cushion block is located in described punch die shell, and one end of described punch die thimble is fixed on described punch die cushion block, and it is corresponding with described master cast chamber that the other end passes described punch die shell.
3. special-shaped connecting rod cold-heading device as claimed in claim 2, is characterized in that, the punch die mass motion under the driving of drive unit in described five moulds.
4. special-shaped connecting rod cold-heading device as claimed in claim 2, it is characterized in that, described second, third, in the punch die of the 4th and the 5th mould, also comprise die cavity, described die cavity is corresponding with described master cast chamber, described punch die cushion block is connected by spring with described punch die shell, and described punch die thimble can move up and down in described die cavity.
5. special-shaped connecting rod cold-heading device as claimed in claim 1, is characterized in that, described connecting gear adopts clip.
6. special-shaped connecting rod cold-heading device as claimed in claim 1, is characterized in that, described five moulds are all installed on pressure, and to make power be on the cold headers of 430 ~ 450 tons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420462646.7U CN204094040U (en) | 2014-08-15 | 2014-08-15 | Abnormity connecting rod cold-heading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420462646.7U CN204094040U (en) | 2014-08-15 | 2014-08-15 | Abnormity connecting rod cold-heading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204094040U true CN204094040U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420462646.7U Active CN204094040U (en) | 2014-08-15 | 2014-08-15 | Abnormity connecting rod cold-heading device |
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| Country | Link |
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| CN (1) | CN204094040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2014
- 2014-08-15 CN CN201420462646.7U patent/CN204094040U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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