CN112122516B - Rim rolling type feeding device and automatic production line - Google Patents
Rim rolling type feeding device and automatic production line Download PDFInfo
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- CN112122516B CN112122516B CN202010763673.8A CN202010763673A CN112122516B CN 112122516 B CN112122516 B CN 112122516B CN 202010763673 A CN202010763673 A CN 202010763673A CN 112122516 B CN112122516 B CN 112122516B
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- rim
- clamping
- seat
- feeding
- roll
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H9/00—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
Rim roll type material feeding unit and automated production assembly line relate to rim manufacturing field, and rim roll type material feeding unit includes: a base; the transition seat is arranged on the base and can linearly slide towards the direction of the roll forming machine; the feeding piece is rotatably arranged on the transition seat; the feeding piece is provided with a plurality of rim seats for bearing rims, and the rim seats are distributed on the feeding piece in an annular array manner; the movable transition seat is arranged on the base of the feeding device, and other components of the feeding device are arranged on the transition seat, so that the whole structure of the feeding device can be moved only by moving the transition seat; when the roll forming machine needs to be overhauled, the transition seat is moved to enable the space between the feeding device and the roll forming machine to be enlarged, so that maintenance personnel can conveniently enter the transition seat, the maintenance, adjustment and die replacement of the roll forming machine are more convenient, and the overhaul time is saved.
Description
Technical Field
The invention relates to the field of rim processing and manufacturing, in particular to a feeding device in rim roll forming processing and a production line for automatic production and processing by using the feeding device.
Background
The existing production process of the steel wheel rim generally comprises three rolling procedures, wherein the rolling procedures are generally manually operated: manually placing the rim steel ring on the feeding frame, then pushing the feeding frame to feed the rim steel ring to a rolling die area of a roll forming machine, carrying out roll forming processing on the rim steel ring by the roll forming machine, pulling out the feeding frame after the roll forming is finished, feeding the rim steel ring after the roll forming is finished into the next process, and repeating the steps. And each rolling procedure needs to be provided with one worker, so that the labor cost is high due to the fact that the labor is large in the rolling procedure.
The utility model discloses a steel ring rim roll-type automatic conveying device, which has a Chinese patent authorization publication number CN 208067217U, and an authorization publication date of 09.11.2018.A rim roll-type automatic conveying device can automatically realize the transfer of a rim according to a set program, replaces manual transfer, saves manpower, and reduces the cost and the labor cost; however, there is another problem that the device is just opposite to the roll forming machine and is very close to the roll forming machine, so that the space interval between the conveying device and the roll forming machine is small, and thus, a maintenance worker cannot easily enter the space to cause inconvenient maintenance and adjustment of the roll forming machine, especially for replacing a roll forming die on the roll forming machine, and the maintenance worker needs to spend a great deal of time and energy to complete the replacement.
Disclosure of Invention
In order to solve the problems, the invention provides the rim roll-type feeding device with the novel structure, the structure of the feeding device is further optimized, and when the roll-type machine needs to be maintained and adjusted, the feeding device can be adjusted to enlarge the space between the feeding device and the roll-type machine, so that maintenance personnel can conveniently enter the maintenance, and the maintenance efficiency is improved.
The technical scheme provided by the invention is as follows:
rim roll-type material feeding unit includes: a base;
a transition seat arranged on the base and capable of sliding linearly towards the roll forming machine, an
The feeding piece is rotatably arranged on the transition seat; and the feeding piece is provided with a rim seat for bearing a rim.
Furthermore, the feeding piece is provided with a bearing plate for fixing the rim seat, and the bearing plate can horizontally stretch and move on the feeding piece.
Further, the rim roll type feeding device further comprises:
a rim gripping mechanism having a first clamping portion and a second clamping portion; the first clamping part is used for clamping a non-rolling type rim onto a rim seat; the second clamping part is used for clamping the rim after rolling in the rim seat to a preset position.
Further, the first clamping part and the second clamping part have the same structure.
Further, the first clamping portion and the second clamping portion include:
a first clamping member;
the first clamping piece and the second clamping piece are arranged in a relatively movable mode so as to clamp the wheel rim.
Further, the first clamping piece is provided with a first clamping jaw extending into the wheel rim; the second clamping part is provided with a second clamping jaw extending into the wheel rim; the first clamping jaw and the second clamping jaw are oppositely arranged to grab the wheel rim.
Further, the rim grabbing mechanism further comprises:
a conveying part which is arranged above the feeding piece and can move along a horizontal straight line; and
a lifting part which is arranged on the conveying part and can vertically and linearly move relative to the conveying part;
the first clamping portion and the second clamping portion are fixed on the lifting portion to move along with the movement of the lifting portion and the conveying portion.
Further, the first clamping part and the second clamping part which are fixed on the lifting part are arranged at intervals, and the interval distance is larger than the diameter of the wheel rim.
Further, the rim roll type feeding device further comprises:
the support frame is fixed on the transition seat, at least part of the support frame is positioned above the feeding piece, and the carrying part is movably arranged on the support frame.
The beneficial effect that adopts this technical scheme to reach does:
the movable transition seat is arranged on the base of the feeding device, and other components of the feeding device are arranged on the transition seat, so that the overall structure of the feeding device can be moved only by moving the transition seat; when the roll forming machine needs to be overhauled, the transition seat is moved to enable the space between the feeding device and the roll forming machine to be enlarged, so that maintenance personnel can conveniently enter the transition seat, the maintenance, adjustment and die replacement of the roll forming machine are more convenient, and the overhaul time is saved.
The invention also provides an automatic production line, wherein the rim rolling type feeding device is arranged in the production line, the two ends of the feeding device are respectively provided with a feeding channel and a material returning channel, and the rim enters the feeding device through the feeding channel; then the rolled wheel rim is put into a material returning channel by the feeding device to flow into the next working procedure.
The rim feeding device provided by the invention is arranged in an automatic assembly line, so that the automatic production efficiency of the assembly line is improved.
Drawings
FIG. 1 is a diagram of the mating configuration of the base, transition seat and feeder.
Fig. 2 is a perspective view of the rim seat.
Fig. 3 is a perspective view of the rim gripping mechanism.
Fig. 4 is a partially enlarged view of fig. 3, showing the structure of the clamping portion.
Figure 5 is a perspective view of the jaws.
Fig. 6 is an overall configuration diagram of the rim feeding device.
Fig. 7 is a layout structure of the rim feeding device on the production line.
Wherein: 10 bases, 20 transition seats, 30 feeding pieces, 31 rim seats, 32 bearing plates, 33 driving cylinders, 40-1 first clamping pieces, 40-2 first connecting plates, 40-3 second clamping pieces, 40-4 second connecting plates, 41 first clamping parts, 42 second clamping parts, 50 lifting parts, 51 lifting plates, 52 lifting cylinders, 60 conveying parts, 61 conveying cylinders, 62 sliding plates, 70 supporting frames, 100 feeding channels, 200 returning channels, 300 cam dividers, 311 stainless steel plates and 312 supporting rods.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
The present embodiment provides a rim roll-forming feeding device, which is used to present a rim into a roll-forming machine, and the rim after roll-forming by the roll-forming machine is sent to the next process by the feeding device.
Referring to fig. 1, the rim roll type feeding device provided in this embodiment includes a base 10, a transition seat 20 and a feeding mechanism, wherein the feeding mechanism is fixed on the transition seat 20, the transition seat 20 is movably disposed with the base 10, that is, the transition seat 20 can slide linearly on the base 10, the linear sliding of the transition seat 20 brings about the synchronous movement of the feeding mechanism (the arrow direction in the drawing is the sliding direction), and the sliding direction is the sliding direction toward the roll type machine (not shown), and it can be understood that: the sliding of the transition seat 20 allows the distance between the transition seat 20 and the roll forming machine to be adjusted, and the distance between the feeding mechanism and the roll forming machine is increased or decreased according to the sliding of the transition seat 20.
The transition seat 20 is moved by matching a slide rail and a slide seat, that is, a linear slide rail is provided on the base 10, a slide seat matched with the slide rail is provided on the surface of the transition seat 20 facing the base 10, and the slide seat moves on the slide rail to realize the linear slide of the transition seat 20 relative to the base 10.
The movable transition seat 20 is arranged on the base 10 of the feeding device, so that the whole structure of the feeding device can be moved only by moving the transition seat 20; when the roll forming machine needs to be overhauled, the transition seat 20 is moved to enlarge the space between the feeding mechanism on the feeding device and the roll forming machine, so that maintenance personnel can conveniently enter the roll forming machine, the maintenance, adjustment and die replacement of the roll forming machine are more convenient, and the overhaul time is saved.
The feeding mechanism comprises a feeding piece 30 and a rim grabbing mechanism, wherein the feeding piece 30 is arranged on the transition seat 20, and the feeding piece 30 is rotatably connected with the transition seat 20; the feeding member 30 is provided with a rim seat 31 for bearing a rim, and the rim on the rim seat 31 can be presented into the roller-type machine by the rotation of the feeding member 30.
Meanwhile, in order to improve the rolling efficiency, a plurality of rim seats 31 can be arranged, the rim seats 31 are arranged on a circular ring with the rotation center of the feeding piece 30 as the center of circle, the feeding piece 30 can present rims to the rolling machine in sequence in the rotation process, namely, rims are placed on each rim seat 31, after the rims in one rim seat 31 are rolled by the rolling machine, the feeding piece 30 rotates to enable the next rim seat 31 with the rims to rotate to the rolling machine to roll the rims, and the process is circulated to improve the rim rolling efficiency.
In order to ensure the consistency of the rotation angle of the feeding piece 30 and improve the stability of the rotation, a plurality of rim seats 31 on the circular ring are distributed in an equal-angle array; for example, four rim seats 31 are provided, and the rim seats 31 in the equal-angle array make the angle between every two adjacent rim seats be 90 degrees; or three rim seats 31 are provided, and the angle formed between every two adjacent rim seats is 120 degrees.
The two rim seats 31 are arranged in the embodiment, and the two rim seats 31 are oppositely arranged at two ends of the feeding piece 30; every time the feeding piece 30 rotates 180 degrees, the two rim seats 31 are mutually switched to improve the feeding efficiency and the discharging efficiency, the simultaneous feeding and discharging is realized, the discharging time and the feeding time are shortened, and the production beat is improved.
In this embodiment, the rotation of feeding member 30 is realized by cam divider 300, that is, cam divider 300 is fixed on transition seat 20, feeding member 30 is fixed on the output shaft of cam divider 300, and the rotation of feeding member 30 is precisely controlled by the rotation output of cam divider 300.
In order to make the rim seat 31 be close to the roll forming machine more, make the more convenient rim of roll forming machine on the rim seat 31, this embodiment is provided with a plurality of carrier plates 32 that can the horizontal flexible removal on the pay-off 30, all is fixed on every carrier plate 32 and is provided with a rim seat 31, like this in the motion of stretching out of carrier plate 32, can make the better rim of roll forming machine in the rim seat 31.
In this embodiment, the telescopic movement of the carrier plates 32 is realized by driving the cylinders 33, that is, each carrier plate 32 corresponds to its own driving cylinder 33, when the material feeding member 30 rotates to make the rim seat 31 align with the roll forming machine, the driving cylinders 33 extend to drive the rim seat 31 to extend toward the roll forming machine, so that the rim seat 31 is closer to the roll forming machine, and the roll forming machine is convenient to roll the rim on the rim seat 31.
Of course, in order to ensure the smooth extension of the rim seat 31, a slide rail is mounted under the carrier plate 32, i.e. the carrier plate 32 can be extended or retracted smoothly on the slide rail under the action of the driving cylinder 33.
Optionally, in order to avoid metal impurities from entering the cam divider 300 and the driving cylinder 33 during the rolling process, a stainless steel shell is arranged on the periphery of the cam divider 300 to protect the cam divider, and an organ cover is connected between the bearing plates 32 to protect the driving cylinder 33.
The design of the rim seat 31 should conform to the shape of the rim so as to better place the rim and promote the rolling of the rim by a rolling machine, referring to fig. 2, in this embodiment, the rim seat 31 is formed by combining two stainless steel plates 311 in a concave structure and a plurality of struts 312; that is, two stainless steel plates 311 are arranged at intervals, the supporting rod 312 is arranged between the two stainless steel plates 311, and two ends of the supporting rod 312 are respectively connected with the two stainless steel plates 311, so that the plurality of supporting rods 312 and the stainless steel plates 311 jointly form an arc-shaped space for accommodating a rim, the rim is placed in the rim seat 31 and is substantially stably placed in the arc-shaped space, and the supporting rod 312 is utilized to form a powerful support for the rim.
In this embodiment, in order to ensure the smooth rolling of the rim in the rim seat 31, the support rods 312 arranged between the stainless steel plates 311 are movable, that is, the support rods 312 are rotatable, so that when the rim is rolled, the support rods 312 can rotate synchronously with the rolling rotation of the rim, and compared with the case that the support rods 312 are completely fixed between the stainless steel plates 311, the rotating support rods 312 reduce the friction on the outer surface of the rim, thereby avoiding the damage along with the outer surface of the rim.
Referring to fig. 3-4, in order to realize automatic roll-forming feeding, the present embodiment utilizes a rim gripping mechanism, which includes a clamping portion, a lifting portion and a carrying portion, to realize automatic processing of the rim roll-forming, and the rim gripping mechanism can not only place a rim that is not roll-formed on the rim seat 31, but also extract a rim that has been roll-formed on the rim seat 31 to a next process.
Specifically, the clamping part of the rim grabbing mechanism is provided with a first clamping part 41 and a second clamping part 42; the first clamping part 41 is used for clamping a rim of a non-rolling type onto the rim seat 31; the second clamping part 42 is used for clamping the rim after the rolling in the rim seat 31 to a preset position, and the first clamping part 41 and the second clamping part 42 are matched with each other, so that the clamping of the rim is conveniently realized, the automatic production is favorably realized, and the problem of low efficiency of the existing manual feeding is solved.
In this embodiment, the first clamping portion 41 and the second clamping portion 42 have the same structure, and therefore, taking the first clamping portion 41 as an example to describe the composition structure thereof includes: a first clamping member 40-1; a second clamping part 40-3, and a relatively movable arrangement between the first clamping part 40-1 and the second clamping part 40-3 is used for clamping the wheel rim.
To facilitate gripping the rim, the first clamping member 40-1 has a first jaw extending into the rim; the second clamping member 40-3 has a second jaw extending into the rim; the first clamping jaw and the second clamping jaw are arranged oppositely to grab the wheel rim.
The first clamping jaw and the second clamping jaw are clamping jaws with the same structure, and the clamping jaws provided by the embodiment are of stepped structures and are used for meeting rims with different sizes and specifications.
Referring to fig. 5, in order to ensure that the clamping jaws can perfectly fit with the inner side surface of the rim to ensure the clamping stability, the contact surface of the clamping jaws and the inner side surface of the rim needs to be an arc-shaped surface.
In the present embodiment, referring to fig. 4, the first clamping portion 41 further includes a first connecting plate 40-2 and a second connecting plate 40-4; the first clamping piece 40-1 is fixedly arranged on the first connecting plate 40-2, and the second clamping piece 40-3 is fixedly arranged on the second connecting plate 40-4; the first connecting plate 40-2 and the second connecting plate 40-4 are movably disposed relative to each other to drive the first clamping member 40-1 to approach or move away from the second clamping member 40-3.
In order to drive the first clamping piece 40-1 and the second clamping piece 40-3, in the embodiment, the driving is realized by matching a driving cylinder and a sliding block; the device comprises a first driving air cylinder, a second driving air cylinder, a first sliding block and a second sliding block; the first connecting plate 40-2 is fixed on a first sliding seat, and a first driving air cylinder drives the first sliding seat to enable the first clamping piece 40-1 to move; the second connecting plate 40-4 is fixed on a second sliding seat, and a second driving air cylinder drives the second sliding seat to enable the second clamping piece 40-3 to move.
In this embodiment, referring to fig. 3, 6-7, the carrying part 60 is fixed on the transition seat 20 by a supporting frame 70, specifically, the supporting frame 70 is fixed on the transition seat 20 and at least a part of the supporting frame 70 is located above the feeding member 30, and the carrying part 60 is movably mounted on the supporting frame 70.
The conveying part 60 of the rim grabbing mechanism comprises a conveying cylinder 61 and a sliding table sliding rail matched with the conveying cylinder 61, wherein the sliding table can horizontally slide back and forth on the sliding rail under the driving of the conveying cylinder 61, and a sliding plate 62 is fixed on the sliding table; the lifting portion 50 includes a lifting plate 51 and a lifting cylinder 52, the lifting cylinder 52 is fixed on the sliding plate 62, the lifting plate 51 is fixedly connected with the clamping portion, specifically, the first clamping portion 41 and the second clamping portion 42 are both fixed on the lifting plate 51, and the first clamping portion 41 and the second clamping portion 42 are synchronously operated by the action of the lifting cylinder 52.
That is, when the first clamping portion 41 clamps the rim of the non-rolling type, the second clamping portion 42 simultaneously clamps the rim of the non-rolling type on the rim seat 31, and then the lifting cylinder 52 is lifted, and the movement is realized under the action of the carrying cylinder 61, so that the rim of the non-rolling type is placed on the rim seat 31, the rim of the non-rolling type is taken away and placed to flow to the next process, the waiting time is reduced through the above arrangement, and the rolling production tact is improved.
Considering that the first clamping portion 41 and the second clamping portion 42 need to clamp the rim at the same time, in this embodiment, the first clamping portion 41 and the second clamping portion 42 fixed on the lifting plate 51 are spaced apart from each other and the spacing distance is greater than the diameter of the rim, so that it can be ensured that the interference collision between the two rims does not occur during the clamping process.
The invention also provides an automatic production line, wherein the production line is internally provided with the rim rolling type feeding device, the two ends of the feeding device are respectively provided with a feeding channel 100 and a material returning channel 200, and a rim enters the feeding device through the feeding channel 100; the roll-type rim is then again placed by the feeder into the return channel 200 for further processing.
The rim feeding device provided by the invention is arranged in an automatic assembly line, so that the automatic production efficiency of the assembly line is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. Rim roll type material feeding unit, its characterized in that includes:
a base (10);
a transition seat (20) which is arranged on the base (10) and can slide linearly towards the direction of the roll forming machine, and
the feeding piece (30) is rotatably arranged on the transition seat (20); the feeding piece (30) is provided with a rim seat (31) for bearing a rim; the feeding piece (30) is provided with a bearing plate (32) used for fixing the rim seat (31), and the bearing plate (32) can horizontally extend and retract on the feeding piece (30).
2. The rim roll feeder of claim 1, further comprising:
a rim gripping mechanism having a first clamping portion (41) and a second clamping portion (42); the first clamping part (41) is used for clamping a rim of a non-rolling type onto the rim seat (31); the second clamping part (42) is used for clamping the rim after the rim seat (31) is rolled to a preset position.
3. The rim roll feeder of claim 2, wherein the first clamping portion (41) and the second clamping portion (42) are of the same construction.
4. The rim roll feeder according to claim 3, wherein the first clamping portion (41) and the second clamping portion (42) include:
a first clamp (40-1);
a second clamping member (40-3), the first clamping member (40-1) and the second clamping member (40-3) are arranged in a relatively movable mode so as to clamp the wheel rim.
5. The rim roll feeder of claim 4, wherein the first clamp (40-1) has a first jaw extending into the rim; the second clamping part (42) is provided with a second clamping jaw extending into the wheel rim; the first clamping jaw and the second clamping jaw are arranged oppositely to grab the wheel rim.
6. The rim roll feeder of claim 5, wherein the rim gripping mechanism further comprises:
a conveying part (60) which is arranged above the feeding piece (30) and can move along a horizontal straight line; and
a lifting unit (50) which is provided on the carrying unit (60) and is vertically and linearly movable relative to the carrying unit (60);
the first clamping part (41) and the second clamping part (42) are fixed on the lifting part (50) to move along with the movement of the lifting part (50) and the conveying part (60).
7. The rim roll feeder according to claim 6, wherein the first clamping portion (41) and the second clamping portion (42) fixed to the lifting portion (50) are spaced apart by a distance greater than a diameter of the rim.
8. The roll-on-rim feeding device as claimed in claim 7, further comprising:
the support frame (70) is fixed on the transition seat (20), at least part of the support frame (70) is positioned above the feeding piece (30), and the carrying part (60) is movably arranged on the support frame (70).
9. An automated production line comprising a feed channel (100) and a return channel (200), characterized in that a rim roll feeder according to any one of claims 1 to 8 is arranged between the feed channel (100) and the return channel (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763673.8A CN112122516B (en) | 2020-07-31 | 2020-07-31 | Rim rolling type feeding device and automatic production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763673.8A CN112122516B (en) | 2020-07-31 | 2020-07-31 | Rim rolling type feeding device and automatic production line |
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| Publication Number | Publication Date |
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| CN112122516A CN112122516A (en) | 2020-12-25 |
| CN112122516B true CN112122516B (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010763673.8A Active CN112122516B (en) | 2020-07-31 | 2020-07-31 | Rim rolling type feeding device and automatic production line |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113102570B (en) * | 2021-03-25 | 2023-03-21 | 东风汽车底盘系统有限公司 | Automatic clamping and discharging device for profile rim rolling |
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| CN110732602A (en) * | 2019-05-17 | 2020-01-31 | 东莞市艾尔发自动化科技有限公司 | stamping two-shaft multi-station automatic feeding method and feeding machine |
| CN210023530U (en) * | 2019-05-30 | 2020-02-07 | 李昕远 | Rim shaping automatic feeding device |
| CN210702211U (en) * | 2019-09-24 | 2020-06-09 | 长春一汽富维汽车零部件股份有限公司 | Rim expanding and finishing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987339A (en) * | 2009-08-03 | 2011-03-23 | 孟津县平乐新兴铸造厂 | Mechanical hand for stamping and automatic loading and unloading |
| CN103357732A (en) * | 2012-03-30 | 2013-10-23 | 王兆鹿 | Novel engineering rim roll forming machine |
| CN203470736U (en) * | 2013-09-14 | 2014-03-12 | 泉州市泰达车轮设备有限公司 | Inner-tube-free rim roll forming machine |
| CN207119710U (en) * | 2017-08-23 | 2018-03-20 | 嘉兴四通车轮股份有限公司 | Steel ring rolls shape automatic feeding and discharging mechanism |
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| CN210702211U (en) * | 2019-09-24 | 2020-06-09 | 长春一汽富维汽车零部件股份有限公司 | Rim expanding and finishing device |
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| CN112122516A (en) | 2020-12-25 |
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