CN105415718A - Tire rim correction machine drum - Google Patents
Tire rim correction machine drum Download PDFInfo
- Publication number
- CN105415718A CN105415718A CN201510984360.4A CN201510984360A CN105415718A CN 105415718 A CN105415718 A CN 105415718A CN 201510984360 A CN201510984360 A CN 201510984360A CN 105415718 A CN105415718 A CN 105415718A
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- CN
- China
- Prior art keywords
- screw
- drum
- inspection machine
- bearing
- sliding wedge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
- B29C73/30—Apparatus or accessories not otherwise provided for for local pressing or local heating
- B29C73/34—Apparatus or accessories not otherwise provided for for local pressing or local heating for local heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/14—Recontouring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
- B29L2030/001—Beads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
- B29L2030/002—Treads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Testing Of Balance (AREA)
Abstract
The invention relates to a tire rim correction machine drum. The tire rim correction machine drum comprises a two-way lead screw, an upper drum mechanism, a lower drum mechanism, a slide component, a positioning mechanism, a heating device, a bearing fixed base, a deep groove ball bearing and a square base-carried bearing; the slide component consists of a two-way screw and a slide wedge; the slide wedge is fixed on the two-way screw; the upper drum mechanism and the lower drum mechanism are respectively matched with the slide wedge to slide; one end of the two-way lead screw is connected with a speed reducer; a trapezoidal thread at one end is matched with the two-way screw to drive the slide wedge to perform a symmetric expansion/shrinkage motion, so that the upper drum mechanism and the lower drum mechanism perform a relative up-down motion; the positioning mechanism is fixed in middle of the two-way lead screw for limiting the upper drum mechanism and the lower drum mechanism; and the heating device is arranged on the upper drum mechanism. The correction machine drum can synchronously solve the rim part rubber uniformity and the convenience for correcting the tire rim steel wire roundness.
Description
Technical field
The present invention relates to the machinery of a kind of rubber tyre tyre bead and the rectification of steel bead wire circularity, be specially a kind of tyre rim inspection machine drum, belong to tire production shaping after for the reparation of part tire bead position rubber contact surface inhomogeneities and steel bead wire circularity substandard product and the correction drum of rectification.
Background technology
Tire production producer is in the process manufacturing tire, due to a variety of causes, the underproof product of tire meeting generating portion produced, for the tire that this part can not be up to standard, very large trouble and potential safety hazard can be brought to installing and using of later stage tire, and taking to scrap the cost that process can increase enterprise, enterprise is badly in need of a kind of correction, repairs method and the equipment thereof of this defect.
The uniformity of tire detects tyre performance important indicator, comprises the imbalance of radial load (RFV), side force (LFV), cone power and tire.In the parameter area making above-mentioned indices reach qualified, need the whole process that tire is being produced, control from raw material, semi-finished product, assembled formation, sulfuration, detection, storage, the quality of each step can affect the overall performance of tire.When after tyre vulcanization sizing, overall structure and performance thereof can be fixed, and the error now will revising, improve accumulation in early stage is more difficult.Therefore for tire bead position rubber contact surface performance inequality and steel bead wire not circle carry out repairing and rectification meets the reason that most of tire radial force (RFV) exceeds standard, also operability is had technically, obviously can improve the problem that tire radial force (RFV) exceeds standard, introduce to the market after the defective tire correction that substantial radial power (RFV) is exceeded standard, improvement, reduce the production cost of enterprise, and produce objective economic benefit.
Summary of the invention
The object of the invention is to the defect overcoming prior art, a kind of tyre rim inspection machine drum is provided, this inspection machine drum rouses mechanism up and down by regulating, while tire balance steel ring, the temperature of drum in heating, make problem bead rubber produce inhomogeneities revised and improve, tyre bead portion rubber uniformity can have been solved simultaneously and facilitate the correction of steel bead wire circularity.
Inspection machine drum total is compact, reasonable, operates steadily, can repair for tire radial force Producing reason well, holds round steel bead wire circularity through the machinery roused up and down and improves tyre bead portion rubber uniformity.Reduce the problem that tire radial force exceeds standard, improve product percent of pass, good economic benefit can be produced.
To achieve these goals, a kind of tyre rim inspection machine drum provided by the invention, comprises Bidirectional-screw, Shang Gu mechanism, Xia Gu mechanism, slide assemblies, detent mechanism, heater, bearing fixed seat, deep groove ball bearing and band square base bearing; Described slide assemblies is made up of two-way screw and sliding wedge, and sliding wedge is fixed on two-way screw, and described Shang Gu mechanism and Xia Gu mechanism match with sliding wedge respectively to do to coordinate and slide; Described Bidirectional-screw one end is connected with reductor, and the trapezoidal thread of one end coordinates with two-way screw, and drive sliding wedge to do symmetrical harmomegathus motion, relative moving up and down is done with Xia Gu mechanism by Shi Shanggu mechanism; Be fixed with detent mechanism in the middle of described Bidirectional-screw, limit Shang Gu mechanism and Xia Gu mechanism; Described heater is arranged in Shang Gu mechanism.The relative motion of Shang Gu mechanism and Xia Gu mechanism is driven by two-way leading screw, drives two-way screw, and two-way screw is fixed on sliding wedge, screw frame and lower screw frame intermediary movements on symmetrical at one by sliding wedge.Two-way screw drives the symmetrical motion of sliding wedge, the stationarity that in guarantee, screw frame is stressed.
Further, described Shang Gu mechanism is configured to by upper drum, upper bulging link and upper screw, and described upper screw frame is fixedly connected with upper bulging link, and described upper bulging link is fixedly connected with upper drum, and described heater is arranged on the bottom of drum.Upper drum is provided with heater, can improve the rubber uniformity of tire bead, reduces the numerical value that tire radial force exceeds standard on the whole, tyre performance is improved, reaches spendable scope.
Further, the left and right sides of described upper screw frame is provided with symmetrical angle, consistent with the angle of sliding wedge, and described sliding wedge drives upper screw frame to do moving up and down of relative and Xia Gu mechanism.
Further, described Xia Gu mechanism is configured to by lower drum, lower bulging link and lower screw, and described lower screw frame is fixedly connected with lower drum, and lower drum and lower screw frame are fixedly connected on inspection machine drum by described lower bulging link.
Further, described upper screw frame and lower screw frame both sides are respectively provided with two steps, and described sliding wedge moves between two steps, plays good guide effect.
Further, described detent mechanism is formed by screw locating ring, thrust ball bearing, bearing block and under bearing block, described screw locating ring is arranged on the middle part of Bidirectional-screw, the both sides of described screw locating ring are respectively provided with a thrust ball bearing, be provided with outside described thrust ball bearing skin on the bearing block matched with under bearing block, described bearing block is fixed on screw frame, is fixed under described bearing block on lower screw frame.Detent mechanism erects good positioning action for upper screw frame and lower screw, can not affect again the relative motion between them.Through the location of this detent mechanism, screw frame can only be moved up and down along the centre position of two-way leading screw.
Further, described upper drum is identical with the radius of lower drum, is provided with the distance of drum contraction, when upper drum moves downward, facilitates the assembling of tire at upper drum and lower bulging intermediate tie place.Upper drum and lower drum can assemble tire balance when shrinking, and when both open, can form circle, can the steel ring of tire balance.
Further, described Bidirectional-screw is fixed on bearing fixed seat by being with square base bearing and deep groove ball bearing, is fixedly connected with inspection machine drum, ensures that Bidirectional-screw motion is more steady.
Beneficial effect of the present invention:
(1) inspection machine drum disclosed by the invention rouses mechanism up and down by regulating, while tire balance steel ring, the temperature of drum in heating, has made problem bead rubber produce inhomogeneities and has been revised and improve, can solve tyre bead portion rubber uniformity simultaneously and facilitate the correction of steel bead wire circularity.
(2) inspection machine drum total disclosed by the invention is compact, reasonable, operates steadily, can repair for tire radial force Producing reason well, hold round steel bead wire circularity through the machinery roused up and down and improve tyre bead portion rubber uniformity.Reduce the problem that tire radial force exceeds standard, improve product percent of pass, good economic benefit can be produced.
(3) through the tire of inspection machine drum disclosed by the invention correction, improvement, obviously can reduce the radial load (RFV) of tire, make underproof tire reach in spendable critical field, reduce the tire disqualification rate of tire plant, improve the quality of products, reduce product cost.
(4) inspection machine drum length degree disclosed by the invention is designed to hold two tire workings simultaneously, increases work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of tyre rim inspection machine drum of the present invention;
Fig. 2 is the upper drum of a kind of tyre rim of the present invention inspection machine drum and lower blow-up opening structure schematic diagram;
Fig. 3 is the upper drum of a kind of tyre rim of the present invention inspection machine drum and lower bulging contraction structure schematic diagram;
Description of reference numerals: 1 is Bidirectional-screw, 2 is upper drum, and 3 is upper bulging link, 4 is upper screw frame, and 5 is on bearing block, and 6 is thrust ball bearing, 7 is screw locating ring, and 8 is sliding wedge, and 9 is two-way screw, 10 is bearing fixed seat, and 11 is deep groove ball bearing, and 12 is lower bulging link, 13 is band square base bearing, and 14 is lower drum, and 15 is lower screw frame, 16 is under bearing block, and 17 is heater.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
embodiment 1
As Figure 1-3, a kind of tyre rim inspection machine drum, comprises Bidirectional-screw 1, Shang Gu mechanism, Xia Gu mechanism, slide assemblies, detent mechanism, heater 17, bearing fixed seat 10, deep groove ball bearing 11 and band square base bearing 13; Described slide assemblies is made up of two-way screw 9 and sliding wedge 8, and sliding wedge 8 is fixed on two-way screw 9, and described Shang Gu mechanism and Xia Gu mechanism match with sliding wedge 8 to do to coordinate respectively and slide; Described Shang Gu mechanism is made up of upper drum 2, upper bulging link 3 and upper screw frame 4, described upper screw frame 4 is fixedly connected with upper bulging link 3, described upper bulging link 3 is fixedly connected with upper drum 2, described heater 17 is arranged on the bottom of drum 2, the rubber uniformity of tire bead can be improved, reduce the numerical value that tire radial force exceeds standard on the whole, tyre performance is improved, reaches spendable scope.The left and right sides of described upper screw frame 4 is provided with symmetrical angle, consistent with the angle of sliding wedge 8, and described sliding wedge 8 drives upper screw frame 4 to do moving up and down of relative and Xia Gu mechanism.Described Xia Gu mechanism is made up of lower drum 14, lower bulging link 12 and lower screw frame 15, and described lower screw frame 15 is fixedly connected with lower drum 14, and lower drum 14 and lower screw frame 15 are fixedly connected on inspection machine drum by described lower bulging link 12.Described upper screw frame 4 and lower screw frame 15 both sides are respectively provided with two steps, and described sliding wedge 8 moves between two steps, plays good guide effect.Described upper drum 2 is identical with the radius of lower drum 14, is provided with the distance of drum 2 contraction, when upper drum 2 moves downward, facilitates the assembling of tire at upper drum 2 and lower drum 14 intermediate tie place.Upper drum 2 and lower drum 14 can assemble tire balance when shrinking, and when both open, can form circle, can the steel ring of tire balance.
The relative motion of Shang Gu mechanism and Xia Gu mechanism is driven by two-way leading screw 1, drives two-way screw 9, and two-way screw 9 is fixed on sliding wedge 8, screw frame 4 and lower screw frame 15 intermediary movements on symmetrical at one by sliding wedge 8.Two-way screw 9 drives the symmetrical motion of sliding wedge 8, the stationarity that in guarantee, screw frame 4 is stressed.
Described detent mechanism by screw locating ring 7, thrust ball bearing 6, bearing block 5 and bearing block under 16 to form, described screw locating ring 7 is arranged on the middle part of Bidirectional-screw 1, the both sides of described screw locating ring 7 are respectively provided with a thrust ball bearing 6, the outer outside of described thrust ball bearing 6 to be provided with on the bearing block that matches under 5 and bearing block 16, on described bearing block, 5 are fixed on screw frame 4, and under described bearing block, 16 are fixed on lower screw frame 15.Detent mechanism plays good positioning action for upper screw frame 4 and lower screw frame 15, can not affect again the relative motion between them.Through the location of this detent mechanism, screw frame 4 can only be moved up and down along the centre position of two-way leading screw 1.
Described Bidirectional-screw 1 one end is connected with reductor, and the trapezoidal thread of one end coordinates with two-way screw 9, and drive sliding wedge 8 to do symmetrical harmomegathus motion, relative moving up and down is done with Xia Gu mechanism by Shi Shanggu mechanism; Be fixed with detent mechanism in the middle of described Bidirectional-screw 1, limit Shang Gu mechanism and Xia Gu mechanism.Described Bidirectional-screw 1 is fixed on bearing fixed seat 10 by band square base bearing 13 and deep groove ball bearing 11, is fixedly connected with inspection machine drum, ensures that Bidirectional-screw motion is more steady.
During work, tyre rim arbor press drum drives upper and lower bulging mechanism to do relative moving up and down primarily of two-way leading screw 1 drive system.Bidirectional-screw 1 one end is connected with reductor, and trapezoidal thread coordinates with two-way screw 9, and sliding wedge 8 is fixed on two-way screw 9, and such sliding wedge 8 can do symmetrical hypertonic motion.Upper screw frame 4 and lower screw frame 15 do to coordinate with sliding wedge 8 and slide, and make screw frame 4 do relative moving up and down with lower screw frame 15.Screw locating ring 7 fixing in the middle of Bidirectional-screw 1 and the thrust ball bearing 6 of both sides thereof on bearing block 5 and bearing block under 16 middle slip, simultaneously on bearing block 5 and bearing block under 16 be individually fixed on screw frame 4 and lower screw frame 15, so good positioning action is played for upper screw frame 4 and lower screw frame 15, the relative motion between them can not be affected again.Two-way leading screw 1 has the band square base bearing 13 of front end and the deep groove ball bearing 11 of rear end to fix when moving, and makes two-way leading screw 1 run more steady.Upper screw frame 4 is connected with upper drum 2 by upper bulging link 3, constitutes Shang Gu mechanism.Lower screw frame 15 is connected with lower drum 14, lower bulging link 12, forms whole Xia Gu mechanism.Upper drum 2 is the same large with the radius of lower drum 14, both can assemble tire balance when shrinking, when both open, can circle be formed, can the steel ring of tire balance, upper drum 2 is provided with heater, the rubber uniformity of tire bead can be improved, reduce the numerical value that tire radial force exceeds standard on the whole, tyre performance is improved, reaches spendable scope.The distance of drum contraction is provided with at upper drum 2 and lower drum 14 intermediate tie place.When upper drum moves downward, facilitate the assembling of tire.Upper drum and lower drum can assemble tire balance when shrinking, and when both open, can form circle, such steel ring can be out of shape and holds round, and is able to the steel ring of tire balance.This diameter of a circle can make corresponding change according to the diameter of different tyre beads, and upper drum is heated to about 170 DEG C simultaneously, keeps about 30 minutes, can solve tyre bead portion rubber uniformity simultaneously and facilitate the correction of steel bead wire circularity.
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a tyre rim inspection machine drum, it is characterized in that, Bidirectional-screw (1), Shang Gu mechanism, Xia Gu mechanism, slide assemblies, detent mechanism, heater (17), bearing fixed seat (10), deep groove ball bearing (11) and band square base bearing (13) are drawn together in the bulge of described tyre rim inspection machine; Described slide assemblies is made up of two-way screw (9) and sliding wedge (8), and sliding wedge (8) is fixed on two-way screw (9), and described Shang Gu mechanism and Xia Gu mechanism match to do to coordinate with sliding wedge (8) respectively and slide; Described Bidirectional-screw (1) one end is connected with reductor, and the trapezoidal thread of one end coordinates with two-way screw (9), and drive sliding wedge (8) to do symmetrical harmomegathus motion, relative moving up and down is done with Xia Gu mechanism by Shi Shanggu mechanism; Be fixed with detent mechanism in the middle of described Bidirectional-screw (1), limit Shang Gu mechanism and Xia Gu mechanism; Described heater (17) is arranged in Shang Gu mechanism.
2. a kind of tyre rim inspection machine drum according to claim 1, it is characterized in that, described Shang Gu mechanism is made up of upper drum (2), upper bulging link (3) and upper screw frame (4), described upper screw frame (4) is fixedly connected with upper bulging link (3), described upper bulging link (3) is fixedly connected with upper drum (2), and described heater (17) is arranged on the bottom of drum (2).
3. a kind of tyre rim inspection machine drum according to claim 2, it is characterized in that, the left and right sides of described upper screw frame (4) is provided with symmetrical angle, consistent with the angle of sliding wedge (8), in described sliding wedge (8) drive, screw frame (4) does relatively and the moving up and down of Xia Gu mechanism.
4. a kind of tyre rim inspection machine drum according to claim 2, it is characterized in that, described Xia Gu mechanism is made up of lower drum (14), lower bulging link (12) and lower screw frame (15), described lower screw frame (15) is fixedly connected with lower drum (14), and lower drum (14) and lower screw frame (15) are fixedly connected on inspection machine drum by described lower bulging link (12).
5. a kind of tyre rim inspection machine drum according to claim 4, it is characterized in that, described upper screw frame (4) and lower screw frame (15) both sides are respectively provided with two steps, and described sliding wedge (8) moves between two steps.
6. a kind of tyre rim inspection machine drum according to claim 4, it is characterized in that, described detent mechanism is by screw locating ring (7), thrust ball bearing (6), on bearing block, under (5) and bearing block, (16) are formed, described screw locating ring (7) is arranged on the middle part of Bidirectional-screw (1), the both sides of described screw locating ring (7) are respectively provided with a thrust ball bearing (6), the outer outside of described thrust ball bearing (6) to be provided with on the bearing block that matches under (5) and bearing block (16), on described bearing block, (5) are fixed on screw frame (4), under described bearing block, (16) are fixed on lower screw frame (15).
7. a kind of tyre rim inspection machine drum according to claim 6, it is characterized in that, described upper drum (2) is identical with the radius of lower drum (14), is provided with the distance of upper drum contraction at upper drum (2) and lower drum (14) intermediate tie place.
8. a kind of tyre rim inspection machine drum according to any one of claim 1-7, it is characterized in that, described Bidirectional-screw (1) is fixed on bearing fixed seat (10) by band square base bearing (13) and deep groove ball bearing (11), is fixedly connected with inspection machine drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510984360.4A CN105415718B (en) | 2015-12-25 | 2015-12-25 | A kind of tyre rim correction machine drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510984360.4A CN105415718B (en) | 2015-12-25 | 2015-12-25 | A kind of tyre rim correction machine drum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105415718A true CN105415718A (en) | 2016-03-23 |
| CN105415718B CN105415718B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510984360.4A Active CN105415718B (en) | 2015-12-25 | 2015-12-25 | A kind of tyre rim correction machine drum |
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| CN (1) | CN105415718B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108248085A (en) * | 2018-01-10 | 2018-07-06 | 青岛海珠工贸有限公司 | A kind of bad tire apparatus for correcting of uniformity |
| CN108501412A (en) * | 2018-05-10 | 2018-09-07 | 厦门博瑞达机电工程有限公司 | A kind of tire bead straightening machine |
| CN108928020A (en) * | 2017-05-27 | 2018-12-04 | 贺尔碧格（上海）有限公司 | A kind of nonmetallic ring circularity regulating device |
| CN111300858A (en) * | 2019-12-11 | 2020-06-19 | 广东荣兴机械科技有限公司 | Semi-steel belt drum adjusted by ball screw |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204842549U (en) * | 2015-08-10 | 2015-12-09 | 安徽精致机电科技有限公司 | Steel ring inspection machine |
| CN205343856U (en) * | 2015-12-25 | 2016-06-29 | 广东日星机械科技有限公司 | Tyre rim inspection machine drum |
-
2015
- 2015-12-25 CN CN201510984360.4A patent/CN105415718B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204842549U (en) * | 2015-08-10 | 2015-12-09 | 安徽精致机电科技有限公司 | Steel ring inspection machine |
| CN205343856U (en) * | 2015-12-25 | 2016-06-29 | 广东日星机械科技有限公司 | Tyre rim inspection machine drum |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928020A (en) * | 2017-05-27 | 2018-12-04 | 贺尔碧格（上海）有限公司 | A kind of nonmetallic ring circularity regulating device |
| CN108928020B (en) * | 2017-05-27 | 2024-05-07 | 贺尔碧格（上海）有限公司 | Non-metal ring roundness adjusting device |
| CN108248085A (en) * | 2018-01-10 | 2018-07-06 | 青岛海珠工贸有限公司 | A kind of bad tire apparatus for correcting of uniformity |
| CN108501412A (en) * | 2018-05-10 | 2018-09-07 | 厦门博瑞达机电工程有限公司 | A kind of tire bead straightening machine |
| CN111300858A (en) * | 2019-12-11 | 2020-06-19 | 广东荣兴机械科技有限公司 | Semi-steel belt drum adjusted by ball screw |
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| Publication number | Publication date |
|---|---|
| CN105415718B (en) | 2018-01-09 |
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