CN103953669A - Double-metal hot jacket integrated automobile brake drum and machining method thereof - Google Patents
Double-metal hot jacket integrated automobile brake drum and machining method thereof Download PDFInfo
- Publication number
- CN103953669A CN103953669A CN201410147418.5A CN201410147418A CN103953669A CN 103953669 A CN103953669 A CN 103953669A CN 201410147418 A CN201410147418 A CN 201410147418A CN 103953669 A CN103953669 A CN 103953669A
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Abstract
The invention provides a double-metal hot jacket integrated automobile brake drum, which consists of a drum-shaped shell and a tube-shaped casting liner, wherein the tube-shaped casting liner is arranged on the inner wall of the drum-shaped shell; the wall of the drum-shaped shell is made of constant-strength spinning steel. According to the double-metal hot jacket integrated automobile brake drum, a shell of the brake drum is made by a spinning technique of a spinning machine, the material of the brake drum shell is compact and has high strength, and the tube-shaped casting is taken as the liner so as to have the uniform thickness and simpleness and convenience in machining; a step of heating the shell of the brake drum specifically comprises the steps of bushing the tube-shaped casting liner into the shell under the condition of expansion of the diameter of the shell, condensing, fixedly fastening, and reinforcing the fixation between the shell of the brake drum and the casting liner by utilizing a pin; therefore the brake drum is ensured to have the advantages that the integrated strength is high, the material is utilized reasonably, the weight is light, the heat radiation performance is good, and the manufacturing technique process is suitable for automatic line operation.
Description
Technical field
The invention belongs to brake drum technical field, what be specifically related to is a kind of bimetal hot jacket all-in-one car brake drum and processing method thereof.
Background technique
Brake drum is the part for braking in automobile " drum brakes device ", is assemblied in the wheel of automobile, because of the similar drum that does not fill drum head of brake drum shape, is referred to as brake drum; " drum brakes device " mainly contains three parts compositions, is respectively brake drum, brake block and power device (as camshaft or oil cylinder, cylinder); When the power device in braking device is opened brake block to extrapolation, the brake drum inwall of brake block and rotation produces extruding and friction, and consequent friction torque reaches the braking effect of automobile.
Large-scale its brake drum of class truck is particularly important, and the surface of internal cavity of brake drum is often operated in Frotteurism in vehicle traveling process, and therefore brake drum must have higher wear-resisting property and higher heat resistance; The kinetic energy of automobile running is applied on brake drum by wheel, and brake torque is instantaneous larger, and therefore brake drum never allows to produce essence and the unsafe factor such as splits.
The brake drum structure of tradition large truck mainly comprises one piece casting type and two kinds of structures of split assembling type, because one piece casting type brake drum is the manufacture of fragility material cast iron, because considering that intensity prevents fragmentation or cracking, the hyperchromic structure that is designed to wall thickness of common product, thereby body is large and heavy, and Security is poor; And split assembling type brake drum is that the cast iron of multiple arc tiles " liner plate " is fixed by bolts in the shell of steel, but during because of processing shell and liner plate, for keeping concentricity to increase processing and assembling difficulty, and in practice, prove that loosening and fracture phenomena can occur liner plate.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of bimetal hot jacket all-in-one car brake drum of reasonable in design is provided.
The present invention is achieved by the following technical solutions: bimetal hot jacket all-in-one car brake drum, is characterized in that: be made up of drum type shell and the tubular cast liner that is located at drum type outer casing inner wall.
Described cydariform casing wall is that equal strength spinning steel forms.
Another object of the present invention is the processing method that proposes a kind of bimetal hot jacket all-in-one car brake drum, and its process step is:
The first step, first descends circular blank.
Second step, pre-shaping and rush positioning hole, 1, workpiece is positioned over counterdie, 2, patrix is descending behind cylindrical coarse positioning center, 3, workpiece is carried out pre-shaping and rushes center positioning hole.
The 3rd step, spinning " slightly revolves ", and workpiece is positioned over core, slightly fixes behind center, and upper pressure seat is descending, and workpiece is positioned and compressed, and main shaft drives workpiece rotation, the spinning roller spinning that walks.
The 4th step, spinning " essence is revolved ", workpiece is positioned over core, and essence is fixed behind center, and upper pressure seat is descending, and workpiece is positioned and compressed, and main shaft drives workpiece rotation, the spinning roller spinning that walks.
The 5th step, rushes mesopore and bolt hole, and workpiece is placed on counterdie, and with inner circle and inner plane location, drift is descending, and workpiece is carried out to punching.
The 6th step, car endoporus/step, workpiece is located with mesopore, with after clamping chuck, main shaft rotation, knife rest walks, lathe tool cutting.
The 7th step, hot turgor pressure is joined, 1, workpiece locates with mesopore, 2, positioning disk drives the descending coil heats that packs into of workpiece, workpiece diameter expanding, 3, foundry goods circle is press-fitted, and forms foundry goods liner, 4, foundry goods liner be press-fitted after positioning disk drive that workpiece is up to be exited.
The 8th step, bores circumference pin-and-hole, and 1, workpiece locates with mesopore, tightening piece tensioner inner ring, 2, both sides four hole drill bit totally at workpiece circumference, 3 positioning disk calibration rotate, and drill bit is holed again.
The 9th step, pin assembling, welding, polishing, 1, workpiece is placed on two carrying rollers, 2, artificial turning of work piece, 3, assembling and positioning pin, 4, welding and polishing.
The tenth step, car outerplanar, 1, workpiece locates with mesopore, with clamping chuck, 2, main shaft rotation, 3, feed cutting.
The 11 step, car/boring center hole, 1, workpiece locates with bolt hole, 2, drag hook tension workpiece, 3, knife rest walks, processing mesopore and chamfering.
The 12 step, slightly expands bolt hole, outer chamfering, and workpiece is located with mesopore, and with after clamping chuck, axles box is descending, and workpiece is carried out to thick reaming and chamfering.
The 13 step, essence expands bolt hole, interior chamfering, workpiece is located with mesopore, and with after clamping chuck, axles box is descending, and workpiece is carried out to smart reaming and chamfering.
The 14 step, car brake lining, end face, 1, workpiece locates with mesopore, with after clamping chuck, knife rest is descending, and workpiece inwall and end face are carried out to turning.
The 15 step, finished product detection, mark warehouse-in.
It is characterized in that: the 3rd step in the process step of bimetal hot jacket all-in-one car brake drum, workpiece is positioned over core, slightly fixes behind center, upper pressure seat is descending, workpiece is positioned and compressed, and main shaft drives workpiece rotation, and utilizes the spinning machine spinning roller spinning that walks; The 4th step in process step, workpiece is positioned over core, and essence is fixed behind center, and upper pressure seat is descending, and workpiece is positioned and compressed, and main shaft drives workpiece rotation, and utilizes the spinning machine spinning roller spinning that walks.
Beneficial effect of the present invention embodies and is: compared with prior art, the brake drum shell that the present invention utilizes spinning machine rotary pressure technology to make, its material closely and intensity is high, and adopts tubular cast to make liner, has even thickness, processes easy; Heating brake drum shell is under the condition of shell diameter expansion, tubular cast liner to be packed in shell, shrinkage tightens up again, and with pin by fixing the strengthening of brake drum shell and foundry goods liner, therefore the integrity intensity that has ensured brake drum is high, reasonable utilization of materials, lightweight, good heat dissipation, process for making adapts to automation continuous productive process.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention will be described in detail.
Fig. 1 is process flow diagram of the present invention.
Following is the concrete title of each mark in figure: 1 steel plate, 2 circular blanks, 3 patrixes, 4 counterdies, 5 upper pressure seats, 6 spinning machine spinning rollers, 7 cores, 8 upper pressure seats, 9 spinning machine spinning rollers, 10 cores, 11 drifts, 12 punching counterdies, 13 knife rests, 14 chucks, 15 clamping mechanism hands, 16 electromagnetic heating coil, 17 lifting positioning disks, 18 taper heads, 19 tightening pieces, 20 carrying rollers, 21 knife rests, 22 knife rests, 23 locating studs, 24 drag hooks, 25 axles boxs, 26 chucks, 27 axles boxs, 28 chucks, 29 knife rests, 30 chucks.
Embodiment
As shown in Figure 1, a kind of processing method of bimetal hot jacket all-in-one car brake drum, its process step is:
The first step, chooses steel plate 1, and laser beam cutting machine first descends circular blank 2.
Second step, adopts frame hydraulic press pre-shaping and rush positioning hole, and a, circular blank 2 workpiece are positioned over counterdie 4, and behind b, cylindrical coarse positioning center, patrix 3 is descending, c, workpiece is carried out pre-shaping and rushes center positioning hole.
The 3rd step, spinning " slightly revolves ", and workpiece is positioned over core 7, slightly fixes behind center, and upper pressure seat 5 is descending, and workpiece is positioned and compressed, and main shaft drives workpiece rotation, spinning machine spinning roller 6 spinning that walks.
The 4th step, spinning " essence is revolved ", workpiece is positioned over core 10, and essence is fixed behind center, and upper pressure seat 8 is descending, and workpiece is positioned and compressed, and main shaft drives workpiece rotation, spinning machine spinning roller 9 spinning that walks.
The 5th step, rushes mesopore and bolt hole with four-column hydraulic press, and workpiece is placed on punching counterdie 12, and with inner circle and inner plane location, drift 11 is descending, and workpiece is carried out to punching.
The 6th step, to found car lathe car endoporus/step, workpiece is located with mesopore, with after chuck 14 clampings, main shaft rotation, knife rest 13 walks, lathe tool cutting.
The 7th step, arranging standby hot turgor pressure with hot turgor pressure joins, a, workpiece are located with mesopore, b, lifting positioning disk 17 drive the descending electromagnetic heating coil 16 that packs into of workpiece to heat, and clamp mutually with clamping mechanism hand 15, workpiece diameter expanding, c, foundry goods circle are press-fitted, form foundry goods liner, after d, foundry goods liner are press-fitted, positioning disk drives that workpiece is up to be exited.
The 8th step, twin tip drill bores circumference pin-and-hole, and a, workpiece are located with mesopore, tightening piece 19 tensioner inner rings, four hole drill bit totally in b, both sides at workpiece circumference, the rotation of c positioning disk calibration, drill bit is holed again.
The 9th step, the assembling of carrier roller frame pin, welding, polishing, a, workpiece are placed on two carrying rollers 20, b, artificial turning of work piece, c, assembling and positioning pin, d, welding and polishing.
The tenth step, with gantry Li Cheche outerplanar, a, workpiece are located with mesopore, with clamping chuck, b, main shaft rotation, c, knife rest 21 feed cuttings.
The 11 step, Li Cheche/boring center hole, a, workpiece are located with bolt hole, and b, drag hook 24 are strained workpiece, and locating stud 23 is fixed, and c, knife rest 22 walk, processing mesopore and chamfering.
The 12 step, slightly expands bolt hole with multi-hole drill, outer chamfering, and workpiece is located with mesopore, and with after chuck 26 clampings, axles box 25 is descending, and workpiece is carried out to thick reaming and chamfering.
The 13 step, expands bolt hole with multi-hole drill essence, interior chamfering, and workpiece is located with mesopore, and with after chuck 28 clampings, axles box 27 is descending, and workpiece is carried out to smart reaming and chamfering.
The 14 step, vertical Vehicle Processing brake lining, end face, a, workpiece are located with mesopore, and with after chuck 30 clampings, knife rest 29 is descending, and workpiece inwall and end face are carried out to turning.
The 15 step, finished product detection, mark warehouse-in.
Its brake drum shell of the automobile brake drum that the inventive method is made adopts spinning machine mould pressing, inner wall layer adopts wear resisting cast iron, that both are compounded to form by hot jacket neither cast inblock neither two kinds of brake drums that different metal material amalgamation is assembled, it is high that brake drum of the present invention has integrity intensity, reasonable utilization of materials, the advantage such as lightweight and good heat dissipation.
Claims (2)
1. bimetal hot jacket all-in-one car brake drum, is characterized in that: be made up of drum type shell and the tubular cast liner that is located at drum type outer casing inner wall.
2. the processing method of bimetal hot jacket all-in-one car brake drum according to claim 1, its process step is:
The first step, first descends circular blank;
Second step, pre-shaping and rush positioning hole, 1, workpiece is positioned over counterdie, 2, patrix is descending behind cylindrical coarse positioning center, 3, workpiece is carried out pre-shaping and rushes center positioning hole;
The 3rd step, spinning " slightly revolves ", and workpiece is positioned over core, slightly fixes behind center, and upper pressure seat is descending, and workpiece is positioned and compressed, and main shaft drives workpiece rotation, the spinning roller spinning that walks;
The 4th step, spinning " essence is revolved ", workpiece is positioned over core, and essence is fixed behind center, and upper pressure seat is descending, and workpiece is positioned and compressed, and main shaft drives workpiece rotation, the spinning roller spinning that walks;
The 5th step, rushes mesopore and bolt hole, and workpiece is placed on counterdie, and with inner circle and inner plane location, drift is descending, and workpiece is carried out to punching;
The 6th step, car endoporus/step, workpiece is located with mesopore, with after clamping chuck, main shaft rotation, knife rest walks, lathe tool cutting;
The 7th step, hot turgor pressure is joined, 1, workpiece locates with mesopore, 2, positioning disk drives the descending coil heats that packs into of workpiece, workpiece diameter expanding, 3, foundry goods circle is press-fitted, and forms foundry goods liner, 4, foundry goods liner be press-fitted after positioning disk drive that workpiece is up to be exited;
The 8th step, bores circumference pin-and-hole, and 1, workpiece locates with mesopore, tightening piece tensioner inner ring, 2, both sides four hole drill bit totally at workpiece circumference, 3 positioning disk calibration rotate, and drill bit is holed again;
The 9th step, pin assembling, welding, polishing, 1, workpiece is placed on two carrying rollers, 2, artificial turning of work piece, 3, assembling and positioning pin, 4, welding and polishing;
The tenth step, car outerplanar, 1, workpiece locates with mesopore, with clamping chuck, 2, main shaft rotation, 3, feed cutting;
The 11 step, car/boring center hole, 1, workpiece locates with bolt hole, 2, drag hook tension workpiece, 3, knife rest walks, processing mesopore and chamfering;
The 12 step, slightly expands bolt hole, outer chamfering, and workpiece is located with mesopore, and with after clamping chuck, axles box is descending, and workpiece is carried out to thick reaming and chamfering;
The 13 step, essence expands bolt hole, interior chamfering, workpiece is located with mesopore, and with after clamping chuck, axles box is descending, and workpiece is carried out to smart reaming and chamfering;
The 14 step, car brake lining, end face, 1, workpiece locates with mesopore, with after clamping chuck, knife rest is descending, and workpiece inwall and end face are carried out to turning;
The 15 step, finished product detection, mark warehouse-in;
It is characterized in that: the 3rd step in the process step of bimetal hot jacket all-in-one car brake drum, workpiece is positioned over core, slightly fixes behind center, upper pressure seat is descending, workpiece is positioned and compressed, and main shaft drives workpiece rotation, and utilizes the spinning machine spinning roller spinning that walks; The 4th step in process step, workpiece is positioned over core, and essence is fixed behind center, and upper pressure seat is descending, and workpiece is positioned and compressed, and main shaft drives workpiece rotation, and utilizes the spinning machine spinning roller spinning that walks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147418.5A CN103953669B (en) | 2013-11-28 | 2014-04-12 | Bimetallic hot jacket all-in-one car brake rim and its processing method |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013106123265 | 2013-11-28 | ||
| CN201310612326.5 | 2013-11-28 | ||
| CN201310612326.5A CN103644222A (en) | 2013-11-28 | 2013-11-28 | Double-metal heat dissipation type brake drum and machining method thereof |
| CN201410147418.5A CN103953669B (en) | 2013-11-28 | 2014-04-12 | Bimetallic hot jacket all-in-one car brake rim and its processing method |
Publications (2)
| Publication Number | Publication Date |
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| CN103953669A true CN103953669A (en) | 2014-07-30 |
| CN103953669B CN103953669B (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310612326.5A Pending CN103644222A (en) | 2013-11-28 | 2013-11-28 | Double-metal heat dissipation type brake drum and machining method thereof |
| CN201410147418.5A Active CN103953669B (en) | 2013-11-28 | 2014-04-12 | Bimetallic hot jacket all-in-one car brake rim and its processing method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201310612326.5A Pending CN103644222A (en) | 2013-11-28 | 2013-11-28 | Double-metal heat dissipation type brake drum and machining method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227343A (en) * | 2014-08-18 | 2014-12-24 | 重庆市大足区蕴强五金加工厂 | Manufacturing method of brake and accelerator combination |
| CN104439952A (en) * | 2014-11-14 | 2015-03-25 | 浙江王立汽车部件有限公司 | Machining technology for brake discs of motorcycles and electric vehicles |
| 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 |
| CN106624657A (en) * | 2016-12-29 | 2017-05-10 | 山西汤荣机械制造股份有限公司 | Compound brake drum overall steel ring and manufacturing method thereof |
| CN108422158A (en) * | 2018-03-09 | 2018-08-21 | 江西久旺汽车配件制造有限公司 | A kind of brake drum machining process |
| 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 |
| CN111114197A (en) * | 2019-11-15 | 2020-05-08 | 张译 | Bimetallic brake hub shell, metal wheel, cylindrical metal component and manufacturing method thereof |
| CN111843377A (en) * | 2020-06-30 | 2020-10-30 | 鲁西工业装备有限公司 | Machining process for improving roughness of inner hole of perforated plate of chemical equipment |
| CN112692511A (en) * | 2020-12-17 | 2021-04-23 | 武昌船舶重工集团有限公司 | Shrink-fitting method for shaft and shaft hub |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104227343B (en) * | 2014-08-18 | 2017-10-17 | 衢州熊妮妮计算机科技有限公司 | A kind of preparation method of braking accelerator combination |
| CN104227343A (en) * | 2014-08-18 | 2014-12-24 | 重庆市大足区蕴强五金加工厂 | Manufacturing method of brake and accelerator combination |
| CN104439952A (en) * | 2014-11-14 | 2015-03-25 | 浙江王立汽车部件有限公司 | Machining technology for brake discs of motorcycles and electric vehicles |
| CN104439952B (en) * | 2014-11-14 | 2017-05-03 | 浙江王立汽车部件有限公司 | Machining technology for brake discs of motorcycles and electric vehicles |
| 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 |
| CN106624657A (en) * | 2016-12-29 | 2017-05-10 | 山西汤荣机械制造股份有限公司 | Compound brake drum overall steel ring and manufacturing method thereof |
| CN108422158A (en) * | 2018-03-09 | 2018-08-21 | 江西久旺汽车配件制造有限公司 | A kind of brake drum machining process |
| 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 |
| CN111114197A (en) * | 2019-11-15 | 2020-05-08 | 张译 | Bimetallic brake hub shell, metal wheel, cylindrical metal component and manufacturing method thereof |
| CN111114197B (en) * | 2019-11-15 | 2021-10-22 | 张译 | Bimetallic brake hub shell, steel wheel, cylindrical steel component and manufacturing method thereof |
| CN111843377A (en) * | 2020-06-30 | 2020-10-30 | 鲁西工业装备有限公司 | Machining process for improving roughness of inner hole of perforated plate of chemical equipment |
| CN111843377B (en) * | 2020-06-30 | 2022-02-01 | 鲁西工业装备有限公司 | Machining process for improving roughness of inner hole of perforated plate of chemical equipment |
| CN112692511A (en) * | 2020-12-17 | 2021-04-23 | 武昌船舶重工集团有限公司 | Shrink-fitting method for shaft and shaft hub |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103644222A (en) | 2014-03-19 |
| CN103953669B (en) | 2018-05-04 |
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