CN201385433Y - Lining layer and cord ply laminating feeding device in radial tire forming machine - Google Patents
Lining layer and cord ply laminating feeding device in radial tire forming machine Download PDFInfo
- Publication number
- CN201385433Y CN201385433Y CN200920096521U CN200920096521U CN201385433Y CN 201385433 Y CN201385433 Y CN 201385433Y CN 200920096521 U CN200920096521 U CN 200920096521U CN 200920096521 U CN200920096521 U CN 200920096521U CN 201385433 Y CN201385433 Y CN 201385433Y
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- inner liner
- casing ply
- frame
- forming machine
- feeding device
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Abstract
A lining layer and cord ply laminating feeding device in a radial tire forming machine comprises a frame, lining layer unwinding equipment, a lining layer correcting device, a lining layer feed frame, a length measurement sensor, a disc cutting knife, a lining layer swinging frame, a cord ply unwinding equipment, a cord ply unwinding frame, a cord ply feed frame, a cord ply swinging frame and a multiposition cylinder. The lining layer and cord ply laminating feeding device in the radial tire forming machine realizes staggered laminating of the cord ply by utilizing the multiposition cylinder to move the cord ply feed frame to the left and the right; and as the device used for moving the cord ply feed frame is comparatively simple compared with the device used for moving a ply-up drum in the prior art, the whole device has simple structure and low power consumption. In addition, as the device is internally provided with a positioning system, the positioning precision can be ensured and the moving range can be arbitrarily adjusted.
Description
Technical field
The utility model belongs to the tire machinery technical field, particularly relates to the device of be used in a kind of radial tire forming machine to fit inner liner and casing ply.
Background technology
Inner liner and carcass building feeding device are to be used to one of important device of producing radial in the radial tire forming machine.Be fitted in the surface of laminating drum after this joint feeding device can cut the inner liner fixed length, three layers of casing ply on fitting again on the surface of inner liner then use for next process.According to technological requirement, casing ply needs wrong the subsides sometimes, need be fitted in the surperficial middle part of inner liner such as the ground floor casing ply, the second layer is that benchmark is moved to the left certain distance and fits with the center line, and the 3rd layer then is that the benchmark certain distance that moves right is fitted with the center line.Inner liner commonly used at present and carcass building feeding device all are to utilize the mode of move left and right laminating drum to realize wrong the subsides, meanwhile the support tailstock of laminating drum also will move thereupon, therefore complex structure not only, the engine the moment of inertia that is used for mobile laminating drum simultaneously is also bigger, and positioning accuracy is poor, will influence the quality of product so undoubtedly.
Summary of the invention
In order to address the above problem, the purpose of this utility model be to provide a kind of simple in structure, positioning accuracy is high, therefore inner liner and carcass building feeding device in the radial tire forming machine that can improve the quality of products.
In order to achieve the above object, inner liner and carcass building feeding device comprise that frame, inner liner unwinding equipment, inner liner deviation correcting device, inner liner feed frame, length measurement sensor, disk cut-off knife, inner liner swing span, casing ply unwinding equipment, casing ply lead open-shelf, casing ply feed frame, casing ply swing span and multiposition cylinder in the radial tire forming machine that provides of the utility model; Install on the ground the lower end of its mid frame; The inner liner unwinding equipment is arranged on the rear lower of frame; The inner liner deviation correcting device is installed on the frame that is positioned at inner liner unwinding equipment back upper place; The inner liner feed frame is arranged on the top of frame along the length direction of frame, the inner liner conveyer belt of installing on it can be fed forward the inner liner raw material that is placed on conveyor belt surface by driven by motor, and the rear end of inner liner conveyer belt is near the inner liner deviation correcting device; Length measurement sensor is installed in the middle front part top of inner liner conveyer belt, and the contact on it can contact with the upper surface of inner liner raw material all the time; The disk cut-off knife is positioned at the rear side of length measurement sensor, and it can cut the inner liner raw material while moving at the width of the drive lower edge of motor inner liner raw material; The rear end of inner liner swing span is hinged on the upper front end of frame, and the front end of inner liner swing span to the distance between the disk cut-off knife equals the length of inner liner in each radial, and the inner liner after being used for fixed length cut is delivered to the surface of laminating drum; The casing ply unwinding equipment is arranged on the middle and lower part of frame; Casing ply is led open-shelf and is installed on the frame that is positioned at casing ply unwinding equipment back upper place, and has mechanical deckle on it; The casing ply feed frame is set in place on the frame of inner liner feed frame lower front in mode that can move left and right along the length direction of frame, the casing ply conveyer belt of installing on it can be fed forward the casing ply raw material that is placed on the casing ply conveyor belt surface by driven by motor, and open-shelf is led near casing ply in the rear end of casing ply conveyer belt; The rear end of casing ply swing span is hinged on the front end bottom of frame, is used for the casing ply raw material is delivered to the surface of laminating drum; Multiposition cylinder is installed on the frame, and the front end of its upper piston rod is connected a side of casing ply feed frame, therefore under the effect of this multiposition cylinder the casing ply feed frame can be by means of moving guide rail move left and right.
Inner liner and carcass building feeding device also comprise a navigation system that is arranged on casing ply feed frame both sides in the described radial tire forming machine, are used to control the distance of casing ply feed frame move left and right.
Inner liner and carcass building feeding device also comprise an inner liner height level detecting apparatus that is installed in the frame rear end bottom in the described radial tire forming machine, be used to detect at the high and low position of inner liner unwinding equipment, with the speeds match between the motor on motor and the inner liner unwinding equipment on the coordination inner liner feed frame to inner liner storing pocket between the inner liner deviation correcting device.
Described inner liner height level detecting apparatus comprises that standoff distance is arranged on the infrared transmitting device and the infrared receiver of above-mentioned inner liner storing pocket both sides.
Inner liner and carcass building feeding device also comprise a casing ply height level detecting apparatus that is installed in the frame middle and lower part in the described radial tire forming machine, be used to detect the high and low position of leading casing ply storing pocket between the open-shelf at casing ply unwinding equipment to casing ply, with the speeds match between the motor on motor and the casing ply unwinding equipment on the coordination casing ply feed frame.
Described casing ply height level detecting apparatus comprises that standoff distance is arranged on the infrared transmitting device and the infrared receiver of above-mentioned casing ply storing pocket both sides.
Inner liner and carcass building feeding device also comprise a care feed tray that is installed between casing ply swing span rear end and the casing ply feed frame front end below in the described radial tire forming machine, are used to coordinate the speeds match between motor and the laminating drum.
Inner liner and carcass building feeding device are to utilize the mode of multiposition cylinder move left and right casing ply feed frame to realize that the mistake of casing ply pastes in the radial tire forming machine that the utility model provides, because it is simpler relatively than the device that prior art is used for mobile laminating drum to be used for the device of mobile screen layer of cloth feed frame, therefore simple in structure the and power consumption of whole device is low.In addition, owing to be provided with navigation system in this device, therefore can guarantee positioning accuracy, and moving range can be adjusted arbitrarily.
Description of drawings
Inner liner and carcass building feeding device side direction structural representation in the radial tire forming machine that Fig. 1 provides for the utility model.
Inner liner and carcass building feeding device structure vertical view in the radial tire forming machine that Fig. 2 provides for the utility model.
Fig. 3 illustrates in the radial tire forming machine cord feed frame side direction structural representation on the inner liner and carcass building feeding device for Fig. 1.
Fig. 4 be among Fig. 3 A-A to cutaway view.
The specific embodiment
Inner liner and carcass building feeding device are elaborated in the radial tire forming machine that the utility model is provided below in conjunction with the drawings and specific embodiments.
As Fig. 1-shown in Figure 4, inner liner and carcass building feeding device comprise that frame 1, inner liner unwinding equipment 2, inner liner deviation correcting device 3, inner liner feed frame 4, length measurement sensor 5, disk cut-off knife 6, inner liner swing span 7, casing ply unwinding equipment 8, casing ply lead open-shelf 9, casing ply feed frame 10, casing ply swing span 11 and multiposition cylinder 12 in the radial tire forming machine that the utility model provides; Install on the ground the lower end of its mid frame 1; Inner liner unwinding equipment 2 is arranged on the rear lower of frame 1; Inner liner deviation correcting device 3 is installed on the frame 1 that is positioned at inner liner unwinding equipment 2 back upper places; Inner liner feed frame 4 is arranged on the top of frame 1 along the length direction of frame 1, the inner liner conveyer belt of installing on it 13 can and be fed forward the inner liner raw material that is placed on conveyer belt 13 surfaces by motor 14 drives, and the rear end of inner liner conveyer belt 13 is near inner liner deviation correcting device 3; Length measurement sensor 5 is installed in the middle front part top of inner liner conveyer belt 13, and the contact on it can contact with the upper surface of inner liner raw material all the time; Disk cut-off knife 6 is positioned at the rear side of length measurement sensor 5, and it can carry out fixed length while moving to the inner liner raw material at the width of the drive lower edge of motor 15 inner liner raw material and cut; The rear end of inner liner swing span 7 is hinged on the upper front end of frame 1, and the front end of inner liner swing span 7 to the distance between the disk cut-off knife 6 equals the length of inner liner in each radial, and the inner liner after being used for fixed length cut is delivered to the surface of laminating drum 24; Casing ply unwinding equipment 8 is arranged on the middle and lower part of frame 1; Casing ply is led open-shelf 9 and is installed on the frame 1 that is positioned at casing ply unwinding equipment 8 back upper places, and has mechanical deckle on it; Casing ply feed frame 10 is set in place on the frame 1 of inner liner feed frame 4 lower front in mode that can move left and right along the length direction of frame 1, the casing ply conveyer belt of installing on it 16 can and be fed forward the casing ply raw material that is placed on casing ply conveyer belt 16 surfaces by motor 17 drives, and open-shelf 9 is led near casing ply in the rear end of casing ply conveyer belt 16; The rear end of casing ply swing span 11 is hinged on the front end bottom of frame 1, is used for the casing ply raw material is delivered to the surface of laminating drum 24; Multiposition cylinder 12 is installed on the frame 1, and the front end of its upper piston rod 18 is connected a side of casing ply feed frame 10, therefore under the effect of this multiposition cylinder 12 casing ply feed frame 10 can be by means of moving guide rail 19 move left and right.
Inner liner and carcass building feeding device also comprise a navigation system 20 that is arranged on casing ply feed frame 10 both sides in the described radial tire forming machine, are used to control the distance of casing ply feed frame 10 move left and right.
Inner liner and carcass building feeding device also comprise an inner liner height level detecting apparatus 21 that is installed in frame 1 rear end lower in the described radial tire forming machine, be used to detect at the high and low position of inner liner unwinding equipment 2, with the speeds match between the motor on motor 14 and the inner liner unwinding equipment 2 on the coordination inner liner feed frame 4 to inner liner storing pocket 35 between the inner liner deviation correcting device 3.
Described inner liner height level detecting apparatus 21 comprises that standoff distance is arranged on the infrared transmitting device 37 and the infrared receiver 38 of above-mentioned inner liner storing pocket 35 both sides.
Inner liner and carcass building feeding device also comprise a casing ply height level detecting apparatus 22 that is installed in frame 1 middle and lower part in the described radial tire forming machine, be used to detect the high and low position of leading casing ply storing pocket 36 between the open-shelf 9 at casing ply unwinding equipment 8 to casing ply, with the speeds match between the motor on motor 17 and the casing ply unwinding equipment 8 on the coordination casing ply feed frame 10.
Described casing ply height level detecting apparatus 22 comprises that standoff distance is arranged on the infrared transmitting device 39 and the infrared receiver 40 of above-mentioned casing ply storing pocket 36 both sides.
Inner liner and carcass building feeding device also comprise a care feed tray 23 that is installed between casing ply swing span 11 rear ends and casing ply feed frame 10 front ends below in the described radial tire forming machine, are used to coordinate the speeds match between motor 17 and the laminating drum 24.
When inner liner in the radial tire forming machine that utilizes the utility model to provide and carcass building feeding device applying inner liner and casing ply, at first inner liner raw material in the liner layered material volume 25 26 and lining cloth 27 are separated by inner liner unwinding equipment 2, and with lining cloth 27 coiling again and reuse.Then inner liner raw material 26 is introduced inner liner deviation correcting devices 3, in case inner liner raw material 26 sideslips, afterwards inner liner raw material 26 is positioned over the surface of inner liner conveyer belt 13 and drives inner liner conveyer belts 13 and be fed forward by motor 14.Because the contact on the length measurement sensor 5 contacts with the upper surface of inner liner raw material 26 all the time, therefore after the length that reaches setting, system controller stops operating motor 14 according to its signal that sends, Yi Bian disk cut-off knife 6 is cut inner liner raw material 26 fixed length when moving to another side along the width of inner liner raw material 26.Laminating drum 24 surfaces that utilize inner liner raw material 26 after inner liner swing span 7 cuts fixed length to be fitted in afterwards to rotate along clockwise direction and form the inner liner of a radial.Meanwhile, casing ply raw material in the cord layered material volume 28 29 and lining cloth 30 are separated by casing ply unwinding equipment 8, and with lining cloth 30 coiling again and reuse.Then casing ply raw material 29 is introduced casing ply and lead open-shelf 9, and rectify a deviation by the mechanical deckle on it.Afterwards casing ply raw material 29 is positioned over the surface of casing ply conveyer belt 16 and drives casing ply conveyer belts 16 and be fed forward by motor 17.Treat after the surface of laminating drum 24 posts above-mentioned inner liner, utilize casing ply swing span 11 that above-mentioned casing ply raw material 29 is fitted in the inner liner middle part on laminating drum 24 surfaces of rotating along clockwise direction week and form first casing ply, and by manually with its severing.Drive multiposition cylinder 12 then and casing ply feed frame 10 is moved to the left or to the right, and control and wrong distance of pasting the casing ply feed frame 10 of consistent size to a side shifting by pre-set navigation system 20.Utilize casing ply swing span 11 to paste a week and form second casing ply above-mentioned casing ply raw material 29 is wrong on first casing ply on laminating drum 24 surfaces of rotating along clockwise direction afterwards, and by manually with its severing.Drive multiposition cylinder 12 more afterwards and make casing ply feed frame 10 to moving opposite direction and move, and control the distance that moves to opposite side with the wrong casing ply feed frame 10 that pastes consistent size by pre-set navigation system 20 with above-mentioned.Utilize casing ply swing span 11 that above-mentioned casing ply raw material 29 mistake on second casing ply on laminating drum 24 surfaces of rotating is along clockwise direction pasted a week and formed the 3rd casing ply afterwards, and by manually with its severing, at this moment can finish the applying process of inner liner and casing ply in the whole radial.Inner liner after the applying and three layers of casing ply volume will be by manually taking off from laminating drum 24, and deliver to next process.
In addition, should be positioned at high-order, the low level infrared ray 31 of two bundles that infrared transmitting device 37 sends on the inner liner height level detecting apparatus 21 in inner liner unwinding equipment 2 to inner liner storing pocket 35 lower ends between the inner liner deviation correcting device 3 under the normal condition, between 32, this moment, infrared receiver 38 can only receive a signal that is sent by infrared transmitting device 37.In case infrared receiver 38 receives two signals, promptly the lower end of inner liner storing pocket 35 is higher than a high position, low level infrared ray 31 at this moment, 32 height, show that the motor speed on the too fast or inner liner unwinding equipment 2 of the rotating speed of motor 14 is slow excessively, at this moment under the control of system the rotating speed of motor 14 is suitably being slowed down or the motor speed on the inner liner unwinding equipment 2 is suitably being strengthened, so that the position of inner liner storing pocket 35 lower ends comes back between a high position, the low level infrared ray 31,32; In case and infrared receiver 38 does not receive any signal, promptly the lower end of inner liner storing pocket 35 is lower than a high position, low level infrared ray 31 at this moment, 32 height, the motor speed that the rotating speed that shows motor 14 is crossed on slow or the inner liner unwinding equipment 2 is too fast, at this moment suitably slowing down with the suitable increasing of the rotating speed of motor 14 or with the motor speed on the inner liner unwinding equipment 2 under the control of system, so that the position of inner liner storing pocket 35 lower ends comes back between a high position, the low level infrared ray 31,32.In addition, utilize the principle of casing ply height level detecting apparatus 22 detection casing ply storing pockets 36 high and low positions the same, therefore repeat no more here.
Claims (7)
1, inner liner and carcass building feeding device in a kind of radial tire forming machine is characterized in that: inner liner and carcass building feeding device comprise that frame (1), inner liner unwinding equipment (2), inner liner deviation correcting device (3), inner liner feed frame (4), length measurement sensor (5), disk cut-off knife (6), inner liner swing span (7), casing ply unwinding equipment (8), casing ply lead open-shelf (9), casing ply feed frame (10), casing ply swing span (11) and multiposition cylinder (12) in the described radial tire forming machine; Install on the ground the lower end of its mid frame (1); Inner liner unwinding equipment (2) is arranged on the rear lower of frame (1); Inner liner deviation correcting device (3) is installed on the frame (1) that is positioned at inner liner unwinding equipment (2) back upper place; Inner liner feed frame (4) is arranged on the top of frame (1) along the length direction of frame (1), the inner liner conveyer belt of installing on it (13) can be driven and is fed forward and be placed on the surperficial inner liner raw material of conveyer belt (13) by motor (14), and the rear end of inner liner conveyer belt (13) is near inner liner deviation correcting device (3); Length measurement sensor (5) is installed in the middle front part top of inner liner conveyer belt (13), and the contact on it can contact with the upper surface of inner liner raw material all the time; Disk cut-off knife (6) is positioned at the rear side of length measurement sensor (5), and it can carry out fixed length while moving to the inner liner raw material at the width of the drive lower edge of motor (15) inner liner raw material and cut; The rear end of inner liner swing span (7) is hinged on the upper front end of frame (1), and the front end of inner liner swing span (7) to the distance between the disk cut-off knife (6) equals the length of inner liner in each radial, and the inner liner after being used for fixed length cut is delivered to the surface of laminating drum (24); Casing ply unwinding equipment (8) is arranged on the middle and lower part of frame (1); Casing ply is led open-shelf (9) and is installed on the frame (1) that is positioned at casing ply unwinding equipment (8) back upper place, and has mechanical deckle on it; Casing ply feed frame (10) is set in place on the frame (1) of inner liner feed frame (4) lower front in mode that can move left and right along the length direction of frame (1), the casing ply conveyer belt of installing on it (16) can be driven and is fed forward and be placed on the surperficial casing ply raw material of casing ply conveyer belt (16) by motor (17), and open-shelf (9) is led near casing ply in the rear end of casing ply conveyer belt (16); The rear end of casing ply swing span (11) is hinged on the front end bottom of frame (1), is used for the casing ply raw material is delivered to the surface of laminating drum (24); Multiposition cylinder (12) is installed on the frame (1), and the front end of its upper piston rod (18) is connected a side of casing ply feed frame (10), therefore under the effect of this multiposition cylinder (12) casing ply feed frame (10) can be by means of moving guide rail (19) move left and right.
2, inner liner and carcass building feeding device in the radial tire forming machine according to claim 1, it is characterized in that: inner liner and carcass building feeding device also comprise a navigation system (20) that is arranged on casing ply feed frame (10) both sides in the described radial tire forming machine, are used to control the distance of casing ply feed frame (10) move left and right.
3, inner liner and carcass building feeding device in the radial tire forming machine according to claim 1, it is characterized in that: inner liner and carcass building feeding device also comprise an inner liner height level detecting apparatus (21) that is installed in frame (1) rear end lower in the described radial tire forming machine, be used for detection and be positioned at the high and low position of inner liner unwinding equipment (2), to coordinate the upward speeds match between the motor of last motor (14) of inner liner feed frame (4) and inner liner unwinding equipment (2) to inner liner storing pocket (35) between the inner liner deviation correcting device (3).
4, inner liner and carcass building feeding device in the radial tire forming machine according to claim 3 is characterized in that: described inner liner height level detecting apparatus (21) comprises that standoff distance is arranged on the infrared transmitting device (37) and the infrared receiver (38) of above-mentioned inner liner storing pocket (35) both sides.
5, inner liner and carcass building feeding device in the radial tire forming machine according to claim 1, it is characterized in that: inner liner and carcass building feeding device also comprise a casing ply height level detecting apparatus (22) that is installed in frame (1) middle and lower part in the described radial tire forming machine, be used for detection and be positioned at the high and low position that casing ply unwinding equipment (8) to casing ply is led casing ply storing pocket (36) between the open-shelf (9), to coordinate the upward speeds match between the motor of last motor (17) of casing ply feed frame (10) and casing ply unwinding equipment (8).
6, inner liner and carcass building feeding device in the radial tire forming machine according to claim 5 is characterized in that: described casing ply height level detecting apparatus (22) comprises that standoff distance is arranged on the infrared transmitting device (39) and the infrared receiver (40) of above-mentioned casing ply storing pocket (36) both sides.
7, inner liner and carcass building feeding device in the radial tire forming machine according to claim 1, it is characterized in that: inner liner and carcass building feeding device also comprise a care feed tray (23) that is installed between casing ply swing span (11) rear end and casing ply feed frame (10) front end below in the described radial tire forming machine, are used to coordinate the speeds match between motor (17) and laminating drum (24 it).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920096521U CN201385433Y (en) | 2009-04-27 | 2009-04-27 | Lining layer and cord ply laminating feeding device in radial tire forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920096521U CN201385433Y (en) | 2009-04-27 | 2009-04-27 | Lining layer and cord ply laminating feeding device in radial tire forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201385433Y true CN201385433Y (en) | 2010-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920096521U Expired - Lifetime CN201385433Y (en) | 2009-04-27 | 2009-04-27 | Lining layer and cord ply laminating feeding device in radial tire forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201385433Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537717B (en) * | 2009-04-27 | 2010-12-29 | 天津赛象科技股份有限公司 | Joint feeding device of inner liner layer and cord fabric layer in radial ply tire building machine |
| CN103249547A (en) * | 2010-11-29 | 2013-08-14 | 倍耐力轮胎股份公司 | Process and plant for building tyres, green tyre and cured tyre obtained thereby |
| CN103832044A (en) * | 2012-11-21 | 2014-06-04 | 李世荣 | Automatic cloth sticking machine |
| CN106466927A (en) * | 2015-08-21 | 2017-03-01 | 青岛软控机电工程有限公司 | Composite layer feeding frame for tire production |
| CN108099232A (en) * | 2017-12-29 | 2018-06-01 | 青岛软控机电工程有限公司 | Air spring forming machine |
| CN108340606A (en) * | 2018-01-29 | 2018-07-31 | 中策橡胶集团有限公司 | A kind of tire production system |
| CN111391376A (en) * | 2020-03-18 | 2020-07-10 | 杭州朝阳橡胶有限公司 | Automatic cutting and feeding device and method for belted layer of tire steel wire wrapping cloth |
-
2009
- 2009-04-27 CN CN200920096521U patent/CN201385433Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537717B (en) * | 2009-04-27 | 2010-12-29 | 天津赛象科技股份有限公司 | Joint feeding device of inner liner layer and cord fabric layer in radial ply tire building machine |
| CN103249547A (en) * | 2010-11-29 | 2013-08-14 | 倍耐力轮胎股份公司 | Process and plant for building tyres, green tyre and cured tyre obtained thereby |
| CN103249547B (en) * | 2010-11-29 | 2016-05-04 | 倍耐力轮胎股份公司 | Build the method and apparatus of tire, and the green tire obtaining thus and vulcanized tyre |
| CN103832044A (en) * | 2012-11-21 | 2014-06-04 | 李世荣 | Automatic cloth sticking machine |
| CN106466927A (en) * | 2015-08-21 | 2017-03-01 | 青岛软控机电工程有限公司 | Composite layer feeding frame for tire production |
| CN106466927B (en) * | 2015-08-21 | 2019-05-24 | 青岛软控机电工程有限公司 | Composite layer feeding frame for tire production |
| CN108099232A (en) * | 2017-12-29 | 2018-06-01 | 青岛软控机电工程有限公司 | Air spring forming machine |
| CN108340606A (en) * | 2018-01-29 | 2018-07-31 | 中策橡胶集团有限公司 | A kind of tire production system |
| CN111391376A (en) * | 2020-03-18 | 2020-07-10 | 杭州朝阳橡胶有限公司 | Automatic cutting and feeding device and method for belted layer of tire steel wire wrapping cloth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100120 Effective date of abandoning: 20090427 |