CN103496182B - A kind of application twice method produces first stage building method and the forming machine of radial - Google Patents
A kind of application twice method produces first stage building method and the forming machine of radial Download PDFInfo
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- CN103496182B CN103496182B CN201310500361.8A CN201310500361A CN103496182B CN 103496182 B CN103496182 B CN 103496182B CN 201310500361 A CN201310500361 A CN 201310500361A CN 103496182 B CN103496182 B CN 103496182B
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Abstract
The invention discloses first stage building method and forming machine that a kind of application twice method produces radial, in described method, the forming process of carcass assembly is fitted from positive closure buckle ring, anti-package, sidewall, rolling process is distributed on different drums and carries out, be provided with in described forming machine laminating drum, assembly drum and by carcass component passes that laminating drum is formed to the transmission ring of assembly drum.Carry out by each operation of carrying out on single drum in traditional handicraft is distributed on multiple drum simultaneously, both the problem that current inner liner, carcass ply, strengthening course etc. can not realize flat drum laminating had been solved, significantly improve shaping efficiency again, achieve equipment automatization, reduce labour intensity.
Description
Technical field
The present invention relates to first stage building method and forming machine that a kind of application twice method produces radial, belong to rubber machine mechanical field.
Background technology
Radial two-stage building machine comprises one-section shaping apparatus, second stage building machine, wherein one-section shaping apparatus is placed on first stage building drum by parts such as inner liner, carcass ply, strengthening course, tyre bead, sidewalls according to a definite sequence, formed the mechanical device of matrix body tube by operations such as positive closure, button tyre bead, anti-package, roll extrusion.After matrix body tube, extended meeting enters second stage building machine by artificial or mechanical device, finally forms fetus.
Figure 1 shows that the typical structure layout of one-section shaping apparatus in prior art, primarily of cabinet 2, drum 1, left and right turn-up and turn-down device (31,32), feeding device 15 forms, Fig. 2 is master operation figure, be specially: 1) at left and right turn-up and turn-down device (31,32) left and right tyre bead (11,22) is placed on respectively; 2) left and right turn-up and turn-down device (31,32) moves towards drum 1 respectively, and its capsule 33 extend out to the position of left and right two end in contact with drum 1 respectively; 3) feeding device 15 at drum 1 rear carries the parts such as inner liner 101, carcass ply 102, strengthening course 104 to drum 1, makes it be fitted on drum 1 successively, forms cylindrical carcass assembly 10; 4) the finger-type sheet 34 of left and right turn-up and turn-down device (31,32) stretches out, and carcass assembly 10 is hanged part 103 undergauge at bulging edge; 5) left and right tyre bead (11,12) is placed on carcass assembly 10 by left and right turn-up and turn-down device (31,32), i.e. buckle ring process; 6) capsule 33 inflation of left and right turn-up and turn-down device (31,32), make carcass assembly 10 be positioned at left and right tyre bead (11,12) both sides outstanding go out part 103 under the effect of assist device 35 upwards anti-package to the outer surface of carcass assembly 10; 7) sidewall 13 is carried and is fitted on drum 1 by feeding device 15, forms matrix body tube 14, and carries out roll extrusion by rolling device 7 to it each layer material is fitted closely, drives bubble away; 8) drum 1 undergauge, makes matrix body tube 14 be easy to take off from drum 1.
There is following problem in said structure and technique: 1) each Walk sequence is carried out successively, incompressible, and be all carry out on a drum, and efficiency is difficult to get a promotion; 2) above-mentioned steps 3) in laminating inner liner, carcass ply time, hang bulging edge part be difficult to laminating smooth, especially blank area, affects the performance of tire.
Application number is disclose a kind of one-section shaping apparatus in the patent " for assembling the method and apparatus of radial " of 200580022741.9, it is expanded to the mode flushed with drum outer surface by the outer surface of capsule 11, when making to fit inner liner, carcass ply, material is all positioned on same outer surface, without hanging part, achieve flat drum laminating, solve material edge and joint like this to fit problem of low quality, but Suo You Walk sequence is still carried out successively on single assembly drum, and operating efficiency is lower.
Summary of the invention
Application of the present invention twice method produces first stage building method and the forming machine of radial, its object is to carry out by each operation of carrying out on single drum in traditional handicraft is distributed on multiple drum simultaneously, both solve the problem that current inner liner, carcass ply, strengthening course etc. can not realize flat drum laminating, significantly improve shaping efficiency again.
For achieving the above object, the first stage building method of application of the present invention twice method production radial comprises the following steps: 1) materials such as inner liner, carcass ply, strengthening course are fitted to the upper process forming carcass assembly of drum; 2) left and right tyre bead is placed on the positive closure buckle ring process on carcass assembly; 3) process of part anti-package will be positioned in carcass assembly outside left and right tyre bead; 4) laminating sidewall forms the process of matrix body tube; 5) matrix body tube is implemented to the process of roll extrusion.
Difference with the prior art part is, described step 1) and step 2)-5) carry out on different drums simultaneously, also comprise the carcass component passes that formed in step 1) to step 2)-5) process of place drum.
As above-mentioned basic scheme, the operations such as the process of the material laminating formation carcass assemblies such as inner liner, carcass ply, strengthening course is fitted from follow-up positive closure buckle ring, anti-package, sidewall, roll extrusion are distributed on different drums carries out simultaneously, which not only improves shaping efficiency, ensure that the axial length of the laminating material such as inner liner, carcass ply drum used can be not less than the width of material simultaneously, therefore during laminating, material does not hang parts, achieve flat drum laminating, ensure that laminating quality, especially the quality of material blank area, thus improve tire quality.
In order to guarantee quality of fitting further, improving tire qualification rate, the process that material joint quality detects can also be increased.
Above-mentioned basic scheme is made further improvements, described step 2)-4) carry out on different drums from step 5) simultaneously.The program achieves the operations such as positive closure buckle ring, anti-package, sidewall laminating to be distributed on different drums from rolling step carries out simultaneously, makes molding time obtain further compression, improves shaping efficiency.
Make further improvements above-mentioned basic scheme, described step comprises the process of placing left and right tyre bead in advance.In the process transmitting carcass assembly, can by prepositioned left and right tyre bead with carcass component passes in subsequent processing, save the time further.
Make further improvements above-mentioned basic scheme, described step comprises the matrix body tube after by roll extrusion
automaticallyunload and be transported to the process of subsequent processing or storage area, reducing labour intensity, further increase shaping efficiency and quality.
For realizing object of the present invention, the one-section shaping apparatus that application of the present invention twice method produces radial comprises: drum, its axial side is provided with feeding device, for accepting the material such as inner liner, carcass ply, strengthening course, left and right tyre bead, sidewall of feeding device conveying and fitting successively on its outer surface and finally form matrix body tube; Cabinet, its output shaft is connected with axial one end of drum, and drive drum carries out rotating or axially-movable; Left and right turn-up and turn-down device, lays respectively at bulging axial two ends, carries left and right tyre bead, completes positive closure buckle ring and anti-package action; Rolling device, is arranged on bulging axial side, has pressure roller, implements roll extrusion to matrix body tube.
Difference with the prior art part is, laminating drum, assembly drum are drawn together in described bulge; Laminating drum, for the formation of carcass assembly, its axial side is provided with tire body feeding frame; Assembly drum, for the formation of matrix body tube, its axial side is provided with sidewall feed frame, rolling device, and left and right turn-up and turn-down device is arranged at the axial two ends of assembly drum respectively; Between laminating drum and assembly drum, transmission ring is set, can slides along base track, by carcass component passes that laminating drum is formed to assembly drum.
As above-mentioned basic scheme, laminating drum is used for fit successively inner liner, carcass ply, strengthening course etc., and form carcass assembly, wherein, the axial length of laminating drum is not less than the width of the material such as inner liner, carcass ply, ensure that flat drum laminating.Carcass assembly passes to assembly drum through transmission ring, and assembly drum completes subsequent handling, and form matrix body tube, its subsequent handling is identical with step of the prior art.
Above-mentioned basic scheme is made further improvements, described assembly drum comprises the first assembly drum, the second assembly drum, assembly drum cabinet correspondence arranges two can rotate mutual switch output shaft around center line, the axial side of first assembly drum is provided with sidewall feed frame, and the axial side of the second assembly drum is provided with rolling device.In this scheme, two output shafts of assembly drum cabinet connect the first assembly drum, the second assembly drum respectively, first assembly drum completes positive closure buckle ring, anti-package, sidewall bonding process, so latter two output shaft rotates mutual switch around center line, make the first assembly drum enter the position of the second assembly drum, complete rolling step; Meanwhile, the second assembly drum enters the position of the first assembly drum, accepts the carcass assembly that transmission ring transmits, and completes positive closure buckle ring, anti-package, sidewall bonding process.Two assembly drums replace station successively, carry out the operation at station place, place simultaneously.
On assembly drum cabinet, two output shafts rotate mutual switch and can adopt following structure: two output shafts of assembly drum cabinet are positioned at same one end of mainframe box, and front and back distribute, and do 180 degree of rotations realize mutual switch in vertical plane around longitudinal center line.
Following structure can also be adopted: two output shafts of assembly drum cabinet are distributed in the left and right two ends of mainframe box, in horizontal plane, do 180 degree of rotations around longitudinal centre line realize mutual switch.
Make further improvements above-mentioned basic scheme, also comprise the tyre bead presetter device carrying left and right tyre bead in advance, the sliding rail arranged along top or bottom slides relative to transmission ring, glide direction and transmission ring central axis perpendicular.In this scheme, transmission ring accesses carcass assembly and is placed on the left and right tyre bead at tyre bead presetter device place in advance, be delivered to station place, assembly drum place together, left and right turn-up and turn-down device moves to station place, assembly drum place and accesses left and right tyre bead, then completes positive closure buckle ring operation.According to this scheme, tyre bead presetter device can be placed in the region away from operation position, then enters transmission ring through sliding rail.Therefore staff or mechanical arm only need to place left and right tyre bead at far-end, by tyre bead presetter device, tyre bead is sent into operation position, do not need picture in the prior art by manually placing tyre bead in left and right turn-up and turn-down device, ensure that the personal safety of staff, save manpower, be conducive to the automation realizing equipment.
Make further improvements above-mentioned basic scheme, also comprise the tire unloader automatically taken out by the matrix body tube formed on assembly drum, this device is connected with conveying device.This tire unloader can be mechanical arm, and the matrix body tube after roll extrusion is placed directly in conveying device after being unloaded by mechanical arm, and is transported to the memory block between the second stage building machine at subsequent processing place or a section two sections, reduces labour intensity.
Make further improvements above-mentioned basic scheme, the top of laminating drum is provided with joint detector, can detect the joint quality of the material such as inner liner, carcass ply in real time, improve tire qualification rate.
To sum up content, application of the present invention twice method produces first stage building method and the forming machine of radial, has the following advantages and beneficial effect:
1, the operation that must complete on single drum in prior art is distributed on multiple drum carries out, considerably improve shaping efficiency;
2, the axial length of laminating drum is not less than the width of the material such as inner liner, carcass ply, achieves flat drum laminating, ensure that laminating quality;
3, there is tire unloader and conveying device, reduce labour intensity.
Accompanying drawing explanation
Now the present invention will be further described by reference to the accompanying drawings.
Fig. 1 is the representative configuration figure of one-section shaping apparatus in prior art
Fig. 2 is the master operation figure of first stage building method in prior art
Fig. 3 is the layout of one-section shaping apparatus in the embodiment of the present invention one
Fig. 4 is the side view of assembly drum part in one-section shaping apparatus layout in the embodiment of the present invention one
Fig. 5 is the side view of laminating drum part in one-section shaping apparatus layout in the embodiment of the present invention one
Fig. 6-Figure 11 is the schematic diagram of each operation of one-section shaping apparatus in the embodiment of the present invention one
Figure 12 is the layout of one-section shaping apparatus assembly drum part in the embodiment of the present invention two
As shown in Fig. 1-Figure 12,1-drum, 11-laminating drum, 12-first assembly drum, 13-second assembly drum,
2-cabinet, 21-laminating drum cabinet, 211-output shaft, 22-assembly drum cabinet, 221-first output shaft, 222-second output shaft, 223-longitudinal center line, 224-longitudinal centre line,
The left turn-up and turn-down device of 31-, the right turn-up and turn-down device of 32-, the right turn-up and turn-down device of 321-first, the right turn-up and turn-down device of 322-second, 33-capsule, 34-finger-type sheet, 35-assist device, 36-tailstock,
4-transmission ring, 41-central axis, 5-tyre bead presetter device, 6-dragging track, 7-rolling device, 8-tire unloader, 9-conveying device, 10-carcass assembly, 101-inner liner, 102-carcass ply, 103-hangs part, 104-strengthening course, the left tyre bead of 11-, the right tyre bead of 12-, 13-sidewall, 14-matrix body tube, 15-feeding device, 16-tire body feeding frame, 17-sidewall feed frame, 18-supplies trolley, 19-joint detector.
Detailed description of the invention
Embodiment 1, as shown in Figure 3-Figure 5, the present invention applies the one-section shaping apparatus of twice method production radial, comprises laminating drum 11, laminating drum cabinet 21, first assembly drum 12, second assembly drum 13, assembly drum cabinet 22, the right turn-up and turn-down device 322 of left turn-up and turn-down device the 31, first right turn-up and turn-down device 321, second, transmission ring 4, tyre bead presetter device 5, rolling device 7, tire unloader 8, conveying device 9; Feeding device comprises tire body feeding frame 16, sidewall feed frame 17, supplies trolley 18.
The output shaft 211 of laminating drum cabinet 21 is connected with axial one end of laminating drum 11; Assembly drum cabinet 22 has the first output shaft 221, second output shaft 222, and the axial one end respectively with the first assembly drum 12, second assembly drum 13 is connected.As shown in Figure 3, the position at the first assembly drum 12 place is positive and negative job contract position, and left turn-up and turn-down device 31 is positioned at its axial left end, and the first right turn-up and turn-down device 321 is positioned at its axial right-hand member, and the two is on same axis with the first assembly drum 12.Left turn-up and turn-down device 32 left end connects tailstock 6, slips into positive and negative job contract position to the right and complete various action under its driving effect along dragging track 6.First right turn-up and turn-down device 321 is connected with the first output shaft 221, is provided the driving force of various action by assembly drum cabinet 22.The position at the second assembly drum 13 place is rolling station, and the second right turn-up and turn-down device 322 is positioned at its axial right-hand member, and be connected with the second output shaft 222, its axial left end is provided with tire unloader 8, and its rear is provided with rolling device 7.First output shaft 221 and the second output shaft 222 are symmetrical arranged relative to longitudinal center line 223, mutual switch can be rotated around longitudinal center line 223 under the driving effect of assembly drum cabinet 22, thus drive and be attached thereto the first assembly drum 12, second assembly drum 13 connect and mutually exchange station.
The axial right-hand member of laminating drum 11 is provided with transmission ring 4, and the two is positioned on same central axis 41, laminating drum 11 under the driving effect of cabinet 21 can vertically relative to transmission ring 4 do near or away from motion.The front of transmission ring 4 is provided with tyre bead presetter device 5, and the two is all positioned on dragging track 6, and tyre bead presetter device 5 can do close relative to transmission ring along dragging track 6 or away from moving, the direction of motion is concentricity, and axis 41 is perpendicular.Dragging track 6 can be arranged in the bottom base of equipment, also can be arranged in the top cross-bar such as portal frame.
The top of laminating drum 11 is provided with joint detector 19.The rear of laminating drum 11 is provided with tire body feeding frame 16, be provided with for trolley 18 below it, for the materials such as the inner liner of rolling, carcass ply, strengthening course are led out and flowed to tire body feeding frame 16, and finally carry and fit on laminating drum 11 and form carcass assembly, as shown in Figure 5.
The rear of the first assembly drum 12, second assembly drum 13 is provided with sidewall feed frame 17, be provided with for trolley 18 below it, for the sidewall of rolling being led out and flowing to sidewall feed frame 17, and finally carry and fit to the assembly drum place being in positive and negative job contract position place, as shown in Figure 4.
Reloading the time for shortening, being provided with two for trolley 18 below sidewall feed frame 17, in tandem, one is finished rear another for the material volume on trolley and continues feed for trolley, realizes uninterrupted feed.
Tire unloader 8 can adopt mechanical arm, and the complete matrix body tube of roll extrusion is placed in conveying device 9 after the assembly drum being in rolling station takes off by mechanical arm, is transported to the storage area between subsequent processing or two procedures.
When above-mentioned one-section shaping apparatus specifically uses, Zhu wants Gong Yi Walk sequence as follows:
1) left and right tyre bead (11,12) is placed on tyre bead presetter device 5;
2) laminating drum 11 matches with tire body feeding frame 17, and fit successively inner liner 101, carcass ply 102, strengthening course 104, form carcass assembly 10;
3) laminating drum 11 moves right to transmission ring 4 place along its central axis 41, and transmission ring 4 accesses carcass assembly 10, as shown in Figure 6;
4) laminating drum 11 is moved to the left playback along its central axis 41, and the dragging track 6 that tyre bead presetter device 5 is arranged along top or bottom moves backward to transmission ring 4 place, and transmission ring accesses left and right tyre bead (11,12), as shown in Figure 7;
5) tyre bead presetter device 5 returns original position, and transmission ring 4 clamps carcass assembly 10, left and right tyre bead (11,12) moves backward along bottom dragging track 6, move to right to the first assembly drum 12 place again, as shown in Figure 8;
6) tailstock 36 drives left turn-up and turn-down device 31 to move to right to the first assembly drum 12 place, the bead ring of left turn-up and turn-down device 31 and the first right turn-up and turn-down device 321 accesses left and right tyre bead (11 from transmission ring 4 respectively, 12), first assembly drum 12 rising simultaneously, the capsule 33 of left turn-up and turn-down device 31 and the first right turn-up and turn-down device 321 stretches out, carcass assembly 10 is accessed, as shown in Figure 9 from transmission ring 4;
7) transmission ring 4 returns original position, as shown in Figure 10;
8) the finger-type sheet 34 of left turn-up and turn-down device 31 and the first right turn-up and turn-down device 321 opens, and complete the action of positive closure buckle ring, then capsule 33 is inflated, and completes anti-package action under the effect of assist device 35;
9) on sidewall feed frame 17, the sidewall 13 of conveying is wrapped on the first assembly drum 12, and form matrix body tube 14, tailstock 36 drives left turn-up and turn-down device 31 to return original position, as shown in figure 11;
10) assembly drum cabinet 22 drives the first output shaft 221, second output shaft 222 to rotate relative to longitudinal center line 223, makes the first assembly drum 12, second assembly drum 13 mutually exchange station;
11) forward first assembly drum 12 at rolling station place to, completed the roll extrusion of matrix body tube 14 by rolling device 7;
12) the first assembly drum 12, first assembly drum 12 that tire unloader 8 moves to right to rolling station place shrinks, and matrix body tube 14 is unloaded, and tire unloader 8 moves to left, and is put into by matrix body tube 14 in conveying device 9 and is transported to subsequent processing or storage area;
13) the first assembly drum 12 being in rolling station place is turned back to positive and negative job contract position and repeats foregoing sequence;
14) more than, two assembly drums rotate to different station alternation successively.
Embodiment 2, as shown in figure 12, first output shaft 221 and the second output shaft 222 are symmetrical arranged relative to longitudinal centre line 224, be distributed in the two ends, left and right of assembly drum cabinet 22, mutual switch can be rotated around longitudinal centre line 224 under the driving effect of assembly drum cabinet 22, thus drive and be attached thereto the first assembly drum 12, second assembly drum 13 connect and mutually exchange station.
All the other structures are identical with embodiment 1 with operation, no longer repeated description.
Claims (11)
1. apply a first stage building method for twice method production radial, comprise following steps:
1) inner liner, carcass ply, strengthening course are fitted to the upper process forming carcass assembly of drum;
2) left and right tyre bead is placed on the positive closure buckle ring process on carcass assembly;
3) process of part anti-package will be positioned in carcass assembly outside left and right tyre bead;
4) laminating sidewall forms the process of matrix body tube;
5) matrix body tube is implemented to the process of roll extrusion;
It is characterized in that: described step 1) and step 2)-5) carry out on different drums simultaneously, also comprise the carcass component passes that formed in step 1) to step 2)-5) process of place drum.
2. first stage building method according to claim 1, is characterized in that: described step 2)-4) carry out on different drums from step 5) simultaneously.
3. first stage building method according to claim 1 and 2, is characterized in that: described step comprises the process of placing left and right tyre bead in advance.
4. first stage building method according to claim 1 and 2, is characterized in that: described step comprises the matrix body tube after by roll extrusion and automatically unloads and the process being transported to subsequent processing or storage area.
5. apply an one-section shaping apparatus for twice method production radial, comprising:
Drum, its axial side is provided with feeding device, accepts the inner liner of feeding device conveying, carcass ply, strengthening course, left and right tyre bead, sidewall fit successively on its outer surface and finally form matrix body tube;
Cabinet, its output shaft is connected with axial one end of drum, and drive drum carries out rotating or axially-movable;
Left and right turn-up and turn-down device, lays respectively at bulging axial two ends, carries left and right tyre bead, completes the action of positive closure buckle ring;
Rolling device, is arranged on bulging axial side, has pressure roller, implements roll extrusion to matrix body tube;
It is characterized in that: laminating drum, assembly drum are drawn together in described bulge;
Laminating drum, form carcass assembly, its axial side is provided with tire body feeding frame;
Assembly drum, form matrix body tube, its axial side is provided with sidewall feed frame, rolling device, and left and right turn-up and turn-down device is arranged at the axial two ends of assembly drum respectively;
Arrange transmission ring between laminating drum and assembly drum, the sliding rail that can arrange along bottom or top slides, by carcass component passes that laminating drum is formed to assembly drum.
6. one-section shaping apparatus according to claim 5, it is characterized in that described assembly drum comprises the first assembly drum, the second assembly drum, assembly drum cabinet correspondence arranges two can rotate mutual switch output shaft around center line, the axial side of first assembly drum is provided with sidewall feed frame, and the axial side of the second assembly drum is provided with rolling device.
7. one-section shaping apparatus according to claim 6, is characterized in that two output shafts of described assembly drum cabinet are positioned at same one end of mainframe box, and front and back distribute, and do 180 degree of rotations realize mutual switch in vertical plane around longitudinal center line.
8. one-section shaping apparatus according to claim 6, is characterized in that two output shafts of described assembly drum cabinet are distributed in the left and right two ends of mainframe box, does 180 degree of rotations realize mutual switch in horizontal plane around longitudinal centre line.
9. one-section shaping apparatus according to claim 5, characterized by further comprising the tyre bead presetter device carrying left and right tyre bead in advance, and the sliding rail arranged along top or bottom slides relative to transmission ring, glide direction and transmission ring central axis perpendicular.
10. one-section shaping apparatus according to claim 5, characterized by further comprising the tire unloader taken out by the matrix body tube formed on assembly drum, this device is connected with conveying device.
11. one-section shaping apparatus according to claim 5, is characterized in that the top of described laminating drum is provided with joint detector.
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| CN201310500361.8A CN103496182B (en) | 2013-10-23 | 2013-10-23 | A kind of application twice method produces first stage building method and the forming machine of radial |
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| CN201310500361.8A CN103496182B (en) | 2013-10-23 | 2013-10-23 | A kind of application twice method produces first stage building method and the forming machine of radial |
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| CN103496182B true CN103496182B (en) | 2016-04-20 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437578B (en) * | 2014-09-26 | 2018-02-23 | 昆山市科玲精密模具有限公司 | One kind prepares tire forming machine |
| CN106003776B (en) * | 2016-05-17 | 2018-08-10 | 江苏通用科技股份有限公司 | The moulding process of tire |
| CN106799853A (en) * | 2017-01-18 | 2017-06-06 | 合海橡塑装备制造有限公司 | All steel shaping machine set |
| CN109094073B (en) * | 2018-05-24 | 2020-09-25 | 中策橡胶集团有限公司 | Preparation method of all-steel-specification tire blank |
| CN111976181B (en) * | 2020-08-06 | 2024-06-25 | 北京敬业机械设备有限公司 | Semi-steel radial tire secondary flat drum lamination one-section forming machine |
| CN113619173B (en) * | 2021-07-26 | 2023-04-28 | 厦门洪海机械有限公司 | One-section host structure of light truck tire forming machine and forming method |
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| CN103182787A (en) * | 2011-12-31 | 2013-07-03 | 软控股份有限公司 | One-time two-drum forming machine for car tyre and method thereof |
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| CN203592694U (en) * | 2013-10-23 | 2014-05-14 | 北京敬业机械设备有限公司 | One-stage forming machine for radial ply tire production by using two-stage method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103182787A (en) * | 2011-12-31 | 2013-07-03 | 软控股份有限公司 | One-time two-drum forming machine for car tyre and method thereof |
| CN203077629U (en) * | 2012-09-28 | 2013-07-24 | 天津赛象科技股份有限公司 | High-efficiency three-drum forming machine |
| CN203592694U (en) * | 2013-10-23 | 2014-05-14 | 北京敬业机械设备有限公司 | One-stage forming machine for radial ply tire production by using two-stage method |
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| C06 | Publication | ||
| PB01 | Publication | ||
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