CN103157960A - Manufacturing method of brake drum and brake drum - Google Patents
Manufacturing method of brake drum and brake drum Download PDFInfo
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- CN103157960A CN103157960A CN2013100896363A CN201310089636A CN103157960A CN 103157960 A CN103157960 A CN 103157960A CN 2013100896363 A CN2013100896363 A CN 2013100896363A CN 201310089636 A CN201310089636 A CN 201310089636A CN 103157960 A CN103157960 A CN 103157960A
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- drum
- brake drum
- brake
- barrel
- frictional layer
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Abstract
The invention discloses a manufacturing method of a brake drum. The method includes steps that a strip-shaped steel plate is used as raw material, the strip-shaped steel plate is coiled to be round and welded to be a primary drum cylinder designed to be of a cylindrical structure, the primary drum cylinder is processed in a rolling mode, the cylinder wall of the primary drum cylinder is enabled to constitute a corrugated form, and therefore a secondary drum cylinder is produced; a wafer steel plate provided with a central hole is used as raw material, and the wafer steel plate is processed in a spinning mode to from a primary drum disk; the secondary drum cylinder and the primary drum disk are welded to produce a brake drum outer shell; and wear-resistant alloy cast iron is cast in the brake drum outer shell to form a friction layer. The brake drum outer shell is composed of two parts, the drum cylinders and the drum disk are respectively processed, and process difficulties are low. The invention further discloses the brake drum comprising the brake drum outer shell and the friction layer. The brake drum outer shell comprises the drum cylinders and the drum disk which are of a split structure design. The split structure design is adopted for the drum cylinders and the drum disk which can be respectively processed, and therefore production process difficulties of the brake drum outer shell are reduced.
Description
Technical field
The present invention relates to the automobile braking device technical field, more particularly, particularly a kind of manufacture method of brake drum and a kind of brake drum.
Background technology
Brakes is one of important composition system of automobile, and its secure context at automobile plays very important effect.At present, in the truck field, widely used is to adopt traditional monoblock cast drum brake.In prior art, comparatively typical brake is friction brake, and the frictional heat that produces when namely utilizing brake apparatus work consumes the kinetic energy that vehicle has gradually, to reach the purpose that reduces car speed or parking.
At present, on truck extensive use be by grey cast-iron cast-in-block drum brake.Grey cast-iron is a kind of widely used friction material, but its intensity is low, fragility is large, causes the sidewall of brake drum must have larger thickness.When automobile heavy-load, when running at high speed, especially when lower long slope or abrupt slope, because brake force is large, and the continuous several times braking, make the brake drum inner wall temperature sharply raise, internal-external temperature difference strengthens, and the mechanical behavior under high temperature of brake drum material also sharply descends.The brake drum wall thickness is thicker, and internal-external temperature difference is larger.Thermal (temperature difference) stress adds that the mechanical behavior under high temperature of material worsens, and often causes the brake drum inwall to develop into be full of cracks by vertical fine fisssure, so that last brake drum cracking.
In addition, also provide a kind of bi-metal brake drum in prior art, be about to the cylinder that brake drum shell and wear-resistant material layer are designed to composite casting, the shell that is made of drum barrel and drum is the integral type structure.
In the brake drum of above-mentioned two kinds of structures,
There are the following problems for the first:
Drum barrel and drum must be done thicklyer, just can reach the desired intensity of brake drum;
There are the following problems for the second:
The integral structure that drum barrel and drum are formed by rotary pressing processing by the monoblock steel plate, this large an Area comparison, the method for Thickness Ratio thicker (14 about ㎜) by the spinning attenuate (drum barrel place thickness be about 6 ㎜), technology difficulty is very large.
In sum, how to reduce the difficulty of brake drum production technology, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
Manufacture method and a kind of brake drum of the technical problem to be solved in the present invention for a kind of brake drum is provided uses the manufacture method of this brake drum to carry out the manufacturing of brake drum, and its technology difficulty is lower.In the present invention, this brake drum also can reach by its structural design the purpose that reduces the brake drum producting process difficulty.
For solving the problems of the technologies described above, the invention provides a kind of manufacture method of brake drum, comprise step:
S1, elementary, secondary drum barrel manufacturing, take bar steel plate as raw material, its volume is justified and is welded into the elementary drum barrel of cylinder-like structure design, and described elementary drum barrel is carried out roll extrusion process, make the barrel of described elementary drum barrel be shaped to corrugated, make thus the secondary drum barrel;
S2, elementary drum manufacturing, take with the disk steel plate of mesopore as raw material, it is carried out spinning forms elementary drum;
S3, brake drum shell are made, and described secondary drum barrel and described elementary drum are welded, and make the brake drum shell;
S4, casting frictional layer, the casting antiwear cast iron alloy forms frictional layer in described brake drum shell.
Preferably, comprise also after described step S4 casting frictional layer that step: S5, frictional layer process, the installed surface of described frictional layer and described elementary drum is carried out machining process.
The present invention also provides a kind of brake drum, comprises brake drum shell and frictional layer, and described frictional layer is arranged in described brake drum shell,
Described brake drum shell comprises into drum barrel and the drum of split type structural design, and described drum barrel is combined with described drum and is formed described brake drum shell.
Preferably, described drum barrel and described drum are by being welded to connect.
Preferably, has wavy bulge-structure on the inwall of described drum barrel.
Preferably, described frictional layer is the antiwear cast iron alloy frictional layer, and described frictional layer waters and casts from described brake drum shell.
In four above-mentioned steps, step S1 is mainly the manufacturing of brake drum shell to step S3.
By above-mentioned steps as can be known, in the present invention, the brake drum shell is comprised of two parts, and it comprises: drum barrel and drum.Drum barrel designs for cylinder-like structure, carries out pressing operation by rolling device in the outside of drum barrel, thereby makes the barrel distortion formation of drum barrel have the wave structure design.After drum barrel has wave structure design, then the casting of carrying out frictional layer can improve the contact area between frictional layer and drum barrel, improves the structural strength between brake drum shell and frictional layer, improves the rigidity of brake drum.And the wave structure forming operation on drum barrel is also comparatively simple.
In the present invention, the brake drum shell all adopts sheet material to make, and its manufacturing process is simple.And drum barrel and drum adopt and are welded to connect, and its bonding strength is higher, the reliability of improving the quality of products dramatically.
The present invention also provides a kind of brake drum, comprises brake drum shell and frictional layer.The brake drum shell comprises into drum barrel and the drum of split type structural design, and drum barrel is combined with drum and is formed the brake drum shell.Drum barrel and drum adopt the split-type structural design, when manufacturing, can process respectively drum barrel and drum, so can reduce dramatically the difficulty of brake drum shell production technology.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to the accompanying drawing that provides other accompanying drawing.
Fig. 1 is the flow chart of the manufacture method of brake drum in an embodiment of the present invention;
Fig. 2 is the flow chart of step S1 in the manufacture method of brake drum in an embodiment of the present invention;
Fig. 3 is the flow chart of step S2 in the manufacture method of brake drum in an embodiment of the present invention;
Fig. 4 be in the manufacture method of brake drum in an embodiment of the present invention step S3 to the flow chart of step S5;
Fig. 5 is the structural representation of a kind of brake drum in the present invention;
Fig. 6 is the drum barrel of a kind of brake drum in the present invention and the welding manner that docks of drum;
Fig. 7 is the drum barrel of a kind of brake drum in the present invention and the overlap joint welding manner of drum;
Fig. 8 is the drum barrel of a kind of brake drum in the present invention and the three-layer metal welding manner of drum;
Wherein, in Fig. 5, the corresponding relation of component names and Reference numeral is:
The specific embodiment
Manufacture method and a kind of brake drum of core of the present invention for a kind of brake drum is provided.
In the manufacture method of brake drum provided by the invention, the brake drum shell is adopted the split-type structural design, respectively drum barrel and drum are processed, use the manufacture method of this brake drum to carry out the manufacturing of brake drum, its technology difficulty is lower.
In the present invention, this brake drum adopts the split-type structural design, by this design, also can reach the purpose that reduces the brake drum producting process difficulty.
In order to make those skilled in the art understand better technical scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 to Fig. 5, wherein, Fig. 1 is the flow chart of the manufacture method of brake drum in an embodiment of the present invention; Fig. 2 is the flow chart of step S1 in the manufacture method of brake drum in an embodiment of the present invention; Fig. 3 is the flow chart of step S2 in the manufacture method of brake drum in an embodiment of the present invention; Fig. 4 be in the manufacture method of brake drum in an embodiment of the present invention step S3 to the flow chart of step S5; Fig. 5 is the structural representation of a kind of brake drum in the present invention.
The invention provides a kind of manufacture method of brake drum, be used for the manufacturing of brake drum.In the present invention, include step:
S1, elementary, secondary drum barrel manufacturing take bar steel plate as raw material, are justified its volume and be welded into the elementary drum barrel of cylinder-like structure design, and elementary drum barrel are carried out roll extrusion process, and make the barrel of elementary drum barrel be shaped to corrugated, make thus the secondary drum barrel;
S2, elementary drum manufacturing, take with the disk steel plate of mesopore as raw material, it is carried out spinning forms elementary drum;
S3, brake drum shell are made, and secondary drum barrel and elementary drum are welded, and make the brake drum shell;
S4, casting frictional layer, the casting antiwear cast iron alloy forms frictional layer in the brake drum shell.
In four above-mentioned steps, step S1 is mainly the manufacturing of brake drum shell to step S3.
By above-mentioned steps as can be known, in the present invention, the brake drum shell is comprised of two parts, and it comprises: drum barrel and drum.Drum barrel designs for cylinder-like structure, carries out pressing operation by rolling device in the outside of drum barrel, thereby makes the side distortion of drum barrel form the side with wave structure design.After drum barrel has wave structure design, then the casting of carrying out frictional layer can improve the contact area between frictional layer and drum barrel, improves the structural strength between brake drum shell and frictional layer.And the wave structure forming operation on drum barrel is also comparatively simple.
In the present invention, the brake drum shell all adopts sheet material to make, and its manufacturing process is simple.And drum barrel and drum adopt and are welded to connect, and its bonding strength is higher, the reliability of improving the quality of products dramatically.
In order further to improve the product quality of brake drum, also comprise step after step S4:
S5, frictional layer process, and the installed surface of frictional layer and elementary drum is carried out machining process.Cutting polishing by to frictional layer can improve the dimensional accuracy of frictional layer, and improves the roughness of frictional layer inner surface.
Please refer to Fig. 5, the present invention also provides a kind of brake drum, comprises brake drum shell and frictional layer 3.Frictional layer 3 is arranged in the brake drum shell, and frictional layer 3 is used for contacting with brake-shoe (of brakes forms member), by friction realize vehicle deceleration, stop.
In the present invention, the brake drum shell comprises into drum barrel 1 and the drum 2 of split type structural design, and drum barrel 1 forms the brake drum shell with drum 2 combinations.Drum barrel 1 adopts the split-type structural design with drum 2, when manufacturing, can process respectively drum barrel 1 and drum 2, so can reduce dramatically the difficulty of brake drum shell production technology.
From the above, brake drum provided by the invention can carry out production and processing by above-mentioned manufacture method, forms ripple struction by rolling technology on the brake drum shell, and its technique is simple, can also improve simultaneously the adhesion between brake drum shell and frictional layer 3, guarantee product quality.
Particularly, in the present embodiment, drum barrel 1 and drum 2 are by being welded to connect.Be welded to connect implementing process simple, and its bonding strength is higher.
In a specific embodiment of the present invention, has wavy bulge-structure on the inwall of drum barrel 1.By this structural design, the bonded area between the inwall of drum barrel 1 and frictional layer 3 improves, and its bond strength has also obtained improving largely.
Particularly, in the present embodiment, frictional layer 3 is the antiwear cast iron alloy frictional layer, and frictional layer 3 waters and casts from the brake drum shell.
Brake drum provided by the invention is a kind ofly to carry out retarding braking by the frictional force between shoe brake and brake drum, because brake drum needs to stop operating fast under the state of High Rotation Speed, the breaking force that its shoe brake that bears applies will be very large, so makes drum barrel 1 and frictional layer 3 all can produce larger moment of torsion.For fear of between drum barrel 1 and frictional layer 3, larger torsional interaction deforms or the situation that dislocation is ruptured occurs in the junction owing to bearing, be provided with ripple struction on the inwall of drum barrel 1 in the present embodiment, by increasing the bonded area between drum barrel 1 and frictional layer 3, improve the relative friction forces between drum barrel 1 and frictional layer 3, reduce the trend that two recurring structure changes.
Please refer to Fig. 6, Fig. 7 and Fig. 8, Fig. 6 is the drum barrel of a kind of brake drum in the present invention and the welding manner that docks of drum; Fig. 7 is the drum barrel of a kind of brake drum in the present invention and the overlap joint welding manner of drum; Fig. 8 is the drum barrel of a kind of brake drum in the present invention and the three-layer metal welding manner of drum, and certainly, drum barrel 1 can also be other welding manner with the welding manner of drum 2 dishes, and the present invention does not do concrete restriction to drum barrel 1 and the welding manner of drum 2.
Above manufacture method and a kind of brake drum to a kind of brake drum provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (6)
1. the manufacture method of a brake drum, is characterized in that, comprising:
Step 1, take bar steel plate as raw material, its volume justify and is welded into the elementary drum barrel of cylinder-like structure design, and described elementary drum barrel is carried out the roll extrusion processing, make the barrel of described elementary drum barrel be shaped to corrugated, make thus the secondary drum barrel;
Step 2, take with the disk steel plate of mesopore as raw material, it is carried out spinning forms elementary drum;
Step 3, described secondary drum barrel and described elementary drum are welded, make the brake drum shell;
Step 4, the antiwear cast iron alloy of casting in described brake drum shell form frictional layer.
2. the manufacture method of brake drum according to claim 1, is characterized in that, also comprises after described step 4: step 5, the installed surface of described frictional layer and described elementary drum is carried out machining process.
3. a brake drum, comprise brake drum shell and frictional layer (3), and described frictional layer (3) is arranged in described brake drum shell, it is characterized in that,
Described brake drum shell comprises into drum barrel (1) and the drum (2) of split type structural design, and described drum barrel (1) forms described brake drum shell with described drum (2) combination.
4. brake drum according to claim 3, is characterized in that, described drum barrel (1) and described drum (2) are by being welded to connect.
5. brake drum according to claim 4, is characterized in that, has wavy bulge-structure on the inwall of described drum barrel (1).
6. brake drum according to claim 5, is characterized in that, described frictional layer (3) is the antiwear cast iron alloy frictional layer, and described frictional layer (3) waters and casts from described brake drum shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089636.3A CN103157960B (en) | 2013-03-20 | 2013-03-20 | A kind of manufacture method of brake drum and a kind of brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089636.3A CN103157960B (en) | 2013-03-20 | 2013-03-20 | A kind of manufacture method of brake drum and a kind of brake drum |
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| CN103157960A true CN103157960A (en) | 2013-06-19 |
| CN103157960B CN103157960B (en) | 2015-12-02 |
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| CN201310089636.3A Active CN103157960B (en) | 2013-03-20 | 2013-03-20 | A kind of manufacture method of brake drum and a kind of brake drum |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953669A (en) * | 2013-11-28 | 2014-07-30 | 泉州市泰达车轮设备有限公司 | Double-metal hot jacket integrated automobile brake drum and machining method thereof |
| CN105583585A (en) * | 2016-03-10 | 2016-05-18 | 绵阳市联合传动科技有限公司 | Machining technology for low-carbon alloy steel drum brakes |
| CN106002123A (en) * | 2016-06-28 | 2016-10-12 | 江苏福坛车桥科技有限公司 | Integrated molding method of brake drum |
| CN110814672A (en) * | 2019-11-14 | 2020-02-21 | 山西汤荣机械制造股份有限公司 | Preparation process of novel bimetal composite integrated brake drum |
| CN110900124A (en) * | 2019-11-14 | 2020-03-24 | 山西汤荣机械制造股份有限公司 | Production process of internal-rotation steel ring and bimetal composite integrated brake drum |
| CN112855808A (en) * | 2021-02-26 | 2021-05-28 | 山西汤荣机械制造股份有限公司 | Production process of special steel and thermal fatigue resistant nano material composite brake drum |
| CN113007243A (en) * | 2021-02-04 | 2021-06-22 | 张译 | Bimetal brake drum structure, brake drum shell and manufacturing method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109013970A (en) * | 2018-08-24 | 2018-12-18 | 泉州市泰智机械发展有限公司 | A kind of plate convolution forming technology suitable for wheel spoke barrel |
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| EP1020657A2 (en) * | 1999-01-12 | 2000-07-19 | Meritor Heavy Vehicle Systems, LLC | Method for producing and balancing a brake drum |
| CN201568490U (en) * | 2009-11-06 | 2010-09-01 | 十堰方圆大地工贸有限公司 | Carbon fiber friction-layer brake drum |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953669A (en) * | 2013-11-28 | 2014-07-30 | 泉州市泰达车轮设备有限公司 | Double-metal hot jacket integrated automobile brake drum and machining method thereof |
| CN103953669B (en) * | 2013-11-28 | 2018-05-04 | 泉州市泰达车轮设备有限公司 | Bimetallic hot jacket all-in-one car brake rim and its processing method |
| CN105583585A (en) * | 2016-03-10 | 2016-05-18 | 绵阳市联合传动科技有限公司 | Machining technology for low-carbon alloy steel drum brakes |
| CN105583585B (en) * | 2016-03-10 | 2017-11-07 | 绵阳市联合传动科技有限公司 | A kind of processing technology of low-carbon alloy steel brake drum |
| CN106002123A (en) * | 2016-06-28 | 2016-10-12 | 江苏福坛车桥科技有限公司 | Integrated molding method of brake drum |
| CN110814672A (en) * | 2019-11-14 | 2020-02-21 | 山西汤荣机械制造股份有限公司 | Preparation process of novel bimetal composite integrated brake drum |
| CN110900124A (en) * | 2019-11-14 | 2020-03-24 | 山西汤荣机械制造股份有限公司 | Production process of internal-rotation steel ring and bimetal composite integrated brake drum |
| CN113007243A (en) * | 2021-02-04 | 2021-06-22 | 张译 | Bimetal brake drum structure, brake drum shell and manufacturing method thereof |
| CN112855808A (en) * | 2021-02-26 | 2021-05-28 | 山西汤荣机械制造股份有限公司 | Production process of special steel and thermal fatigue resistant nano material composite brake drum |
| CN112855808B (en) * | 2021-02-26 | 2024-03-22 | 山西汤荣机械制造股份有限公司 | Production process of special steel and thermal fatigue-resistant nano material composite brake drum |
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| CN103157960B (en) | 2015-12-02 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Manufacturing method of brake drum and brake drum Effective date of registration: 20170223 Granted publication date: 20151202 Pledgee: Bank of China Limited by Share Ltd. Jiaxing branch Pledgor: Jiaxing Stone Wheel Co.,Ltd. Registration number: 2017330000017 |
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Date of cancellation: 20220215 Granted publication date: 20151202 Pledgee: Bank of China Limited by Share Ltd. Jiaxing branch Pledgor: Jiaxing Stone Wheel Co.,Ltd. Registration number: 2017330000017 |
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Denomination of invention: A manufacturing method for a brake drum and a brake drum Effective date of registration: 20230718 Granted publication date: 20151202 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Jiaxing Nanhu Branch Pledgor: Jiaxing Stone Wheel Co.,Ltd. Registration number: Y2023980048761 |
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