CN201257759Y - Upper ring tyre tread expanding ring - Google Patents
Upper ring tyre tread expanding ring Download PDFInfo
- Publication number
- CN201257759Y CN201257759Y CNU2008200278981U CN200820027898U CN201257759Y CN 201257759 Y CN201257759 Y CN 201257759Y CN U2008200278981 U CNU2008200278981 U CN U2008200278981U CN 200820027898 U CN200820027898 U CN 200820027898U CN 201257759 Y CN201257759 Y CN 201257759Y
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- expansion
- ring body
- ring
- expansion ring
- tire tread
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- Expired - Fee Related
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Abstract
The utility model provides an upper ring-shaped tread expansion ring, which is matched with an upper ring-shaped tread forming machine. The expansion ring which adopts a mechanical type tread expansion mechanism has the advantages that the ring-shaped tread is expanded evenly around the outside diameter of a tire casing; the inside diameter of the ring-shaped tread is expanded and stabilized to a state larger than the outside diameter of the tire casing; the accuracy of the coaxial embedment of the ring-shaped tread and the tire casing is improved; the off tracking phenomenon of the tread is avoided; and local stretching and deformation are avoided as well as the ring-shaped tread is expanded and extended to ensure the tightness of the embedment of the ring-shaped tread and the tire casing and improve the overall quality of tire retreading. The expansion ring is characterized in that the expansion ring is mainly provided with an expansion ring body which slides along a bottom part sliding seat in a reciprocating manner; a plurality of support bars which are arranged along the circumference of one side of the vertical part of the expansion ring body and are in axial connection with each other are arranged on the side thereof; and a driving part which is connected with the support bars and drives the support bars to move along radial direction to support the ring-shaped tread is arranged on the other side of the vertical part of the expansion ring body.
Description
Technical field
The utility model relates to the expansion loop that is applied to the tyre rebuilding upper annular tire tread forming machine, belongs to the rubber manufacturing machinery field.
Background technology
Because the universal use of vehicles such as automobile, aircraft all can cause a large amount of tires of scrapping to need to handle every year.Not only formed rubber sources waste, but also bring a series of problems of environmental pollution.The present old tire that is worn at tread contour, the method for generally taking to renovate processing is recycling to drop into once more.
Present existing tire recapping equipment, adopt grinding machine to carry out grinding process with tyre surface with old tire, invest on the carcass middle pad is gluing then, by manual mode new annular tire tread is sleeved on the carcass, form composite members through pressing, attaching, send at last and carry out sulfidization molding in the vulcanizing tank.
In the process of suit annular tire tread, because carcass middle pad adhesivity hard, that be fitted in the carcass surface is bigger, often is difficult to exactly annular tire tread and carcass be carried out suit, deviation phenomenon often occurs, therefore use manual mode suit tyre surface both to waste time and energy, be difficult to accurate location again.
In addition, adopt the technology of manual suit annular tire tread, also can exceedingly stretch a certain position of tyre surface and cause the local deformation of annular tire tread, thereby have influence on the applying between annular tire tread and the carcass, locally form bubble and have influence on the tyre rebuilding quality.
The utility model content
Upper annular tire tread expansion loop described in the utility model is to address the above problem and is used in upper annular tire tread forming machine.Adopt mechanical type tyre surface expansion mechanism, to realize expanding open loop shape tyre surface equably along the carcass external diameter, the internal diameter of annular tire tread is inflated and is stable to the state greater than the carcass external diameter.
Purpose of design is, realizes mechanism and method that a kind of annular tire tread radially evenly expands, improves the degree of accuracy of annular tire tread and carcass concentric suit, avoids occurring the phenomenon of tyre surface sideslip.
Purpose of design also is, when annular tire tread is inflated and expands, avoids occurring local elongation and distortion, to guarantee the suit compactness between annular tire tread and the carcass, improves the tyre rebuilding total quality.
For realizing above-mentioned purpose of design, described upper annular tire tread expansion loop mainly has:
The one expansion ring body that back and forth slides along the bottom slide.Wherein,
In vertical component effect one side of expansion ring body, be provided with several along its circle distribution and the axial support bar that connects.
At the vertical component effect opposite side of expansion ring body, be provided with to connect and drive described support bar and radially move to support the drive division of annular tire tread.
In the annular tire tread expansion process, for improving flexibility that support bar radially slides, guarantee that annular tire tread is expanded not held from internal diameter equably and local elongation can occur, the further improvement project that can take is,
At the link of described support bar, be provided with the slide block on the line slideway that is socketed in expansion ring body vertical component effect slidably.
Each support bar hinged one along the radially-arranged connecting rod swing arm of expansion ring body vertical component effect, the other end of all connecting rod swing arms all is hinged on the same dish type central shaft.
Central shaft penetratingly is connected the center of expansion ring body vertical component effect, and described drive division connection also drives the axial rotation of central shaft along the expansion ring body.
Be to improve driving and steering capability, be for the further refinement scheme of drive division at support bar,
Described drive division includes, and is installed in the servo deceleration motor on the expansion ring body vertical component effect, and the servo deceleration motor is connected a vertical leading screw by synchronous pulley with band driving synchronously.
The nut seat that is engaged in vertical leading screw is fastenedly connected a bearing pin body by a spherical bearing, and the bearing pin body is socketed on the line slideway of swing arm seat slidably, connects together swing arm seat and spigot shaft coaxle.
Can be for reducing the frictional resistance between support bar and the annular tire tread and guaranteeing that annular tire tread is in the coaxial heart suit of carcass, avoid occurring the phenomenon of tyre surface sideslip, on described support bar, several needle bearings longitudinally are installed by bearing pin.
At the link of each support bar, be equipped with one have drive himself push pedal along the expansion loop axon to the duplex cylinder that advances one stroke.
For improving the transmission efficiency that drive division drives central shaft, described swing arm seat is connected on the periphery of central shaft by a spline housing, is nested with roller bearing between central shaft and expansion ring body.
On spline two ends, central shaft, be arranged with locking nut respectively.
For improving the steering capability that nut seat slides, be provided with a guiding rail abreast in vertical leading screw one side, be connected with slip cap at an end of nut seat and be connected on slide block on the guiding rail.
Improve automation technolo degree and control efficiency in the annular tire tread expansion process for being implemented in, guiding rail is provided with a plurality of near switch, connects a tablet on the slide block of guiding rail.
As above content, the advantage that described upper annular tire tread expansion loop has is:
1, realizes a kind of mechanical type tyre surface expansion mechanism and method, can expand open loop shape tyre surface equably, improve the degree of accuracy of annular tire tread and carcass concentric suit, avoid occurring the phenomenon of tyre surface sideslip along the external diameter of carcass.
2, annular tire tread local elongation and distortion can not occur in the process that is inflated, and the closely socket of annular tire tread and carcass, does not leave bubble, thereby improves the tyre rebuilding quality effectively.
Description of drawings
Now in conjunction with the accompanying drawings the utility model is described further
Fig. 1 is the schematic diagram of upper annular tire tread forming machine;
Fig. 2 is the structural representation of described expansion loop;
Fig. 3 is the axial arrangement schematic diagram of Fig. 2;
Fig. 4 is the opposite side structural representation of Fig. 2;
Fig. 5 is the side schematic view of Fig. 3;
Fig. 6 be among Fig. 3 A-A to generalized section;
Fig. 7 be among Fig. 3 B-B to generalized section;
Extremely shown in Figure 7 as Fig. 1, main frame 1, slide 2, holding ring 3, expansion loop 4, combined pressure roller 5, control box support 6;
Connecting rod swing arm 43, central shaft 44, roller bearing 441, locking nut 442,
Vertical leading screw 46, guiding rail 461, near switch 462, tablet 463,
The specific embodiment
Location carcass, suit annular tire tread and roll extrusion applying annular tire tread and carcass are installed on main frame 1.
The effect of bottom slide 2 is to drive clamping ring body 3 respectively and expansion loop 4 reciprocatingly slides.
The effect of holding ring 3 is to cooperate expansion loop 4, annular tire tread is placed in and is positioned at the carcass periphery.
The effect of combined pressure roller 5 is, the annular tire tread behind the suit is carried out roll extrusion, existing of gap and bubble occur annular tire tread and carcass are fitted well, avoid.
The effect of expansion loop 4 mainly is along the circumferential direction to expand and the location annular tire tread that expands, to implement follow-up suit processing step.
Extremely shown in Figure 7 as Fig. 2, described upper annular tire tread expansion loop 4, have an expansion ring body 41 that back and forth slides along bottom slide 2, be provided with the slide block 412 of the line slideway that is engaged in slide 2 in expansion ring body 41 bottoms, and the nut seat 413 that is fastenedly connected the ball screw of slide 2.
In vertical component effect one side of expansion ring body 41, be provided with 8 along its circle distribution and the axial support bar 42 that connects.
Be connected in the link of expansion ring body 41 at support bar 42, be provided with the slide block 421 that is socketed in slidably on the line slideway 411.
On described support bar 42,2 row's needle bearings 422 longitudinally are installed by bearing pin.
Corresponding to the link of each support bar 42, be provided with a duplex cylinder 423, duplex cylinder 423 has 424,8 duplex cylinders of a push pedal of axially stretching out 423 and promotes its push pedals 424 along the identical stroke of the axial advance one of expansion ring body 41.
Each support bar 42 hinged lower end along 43,8 connecting rod swing arms 43 of the radially-arranged connecting rod swing arm of expansion ring body 41 vertical component effects all is hinged on the same dish type central shaft 44, and central shaft 44 penetratingly is connected the center of expansion ring body 41 vertical component effects.
Side at expansion ring body 41 vertical component effects is equipped with servo deceleration motor 45, servo deceleration motor 45 is by synchronous pulley 451, be with 452 drive to connect a vertical leading screw 46 synchronously, the nut seat 47 that is engaged in vertical leading screw 46 is fastenedly connected a bearing pin body 48 by a spherical bearing 471, bearing pin body 48 be fastenedly connected with slide block that line slideway 491 buckles of swing arm seat 49 are connected on.
On spline 492 two ends, central shaft 44, be arranged with locking nut 442 respectively.
Be provided with a guiding rail 461 abreast in vertical leading screw 46 1 sides, be connected with slip cap at an end of nut seat 47 and be connected on slide block on the guiding rail 461.
Guiding rail 461 is provided with a plurality of near switch 462, connects a tablet 463 on the slide block of guiding rail 461.
Based on above-mentioned swelling ring structure, present embodiment provides a kind of expanding method of upper annular tire tread:
Annular tire tread is finished polishing and is coated with on the carcass of middle pad glue along being socketed on after its internal diameter expands,
Drive expansion ring body 41 by bottom slide 2 and be advanced into the tyre surface station,
Socket one annular tire tread on the axial support bar 42 of expansion ring body 41 vertical component effects one side,
By a drive division, connect and drive described several axial support bars 42 and expand and be stabilized in state greater than the carcass external diameter along moving laterally radially, simultaneously of expansion ring body 41 with internal diameter with annular tire tread.
In the expansion process of above-mentioned annular tire tread, the servo deceleration motor 45 that is arranged on expansion ring body 41 vertical component effects one side is by synchronous pulley 451, be with 452 to drive vertical leading screw 46 rotations and vertically slide to drive nut seat 47 synchronously;
The bearing pin body 48 that is connected in nut seat 47 drives swing arm seat 49 along its line slideway 491, and the center of circle that centers on expansion ring body 41 deflects;
With the coaxial identical angles of dish type central shafts 44 rotations that are socketed in of swing arm seat 49, and the rotation by connecting rod swing arm 43 drives support bar 42 and moves radially along the line slideway 411 of its link.
When nut seat 47 slides downward vertically, bearing pin body 48 drives swing arm seat 49 along its line slideway 491 clockwise deflections, the central shaft 44 identical angle that also turns clockwise simultaneously, be hinged on 43 counterclockwise deflections of connecting rod swing arm of central shaft 44 opposite sides, the final support bar 42 that drives slides to the center of circle of expansion ring body 41 along line slideway 411, that is to say that 8 support bars 42 bounce back simultaneously to the inside, this moment can be at 8 support bars, 42 suit annular tire treads, or upper annular tire tread finishes and controls 8 support bars 42 and return back to initial position.
When nut seat 47 upwards vertically slides, bearing pin body 48 drives swing arm seat 49 along its line slideway 491 counterclockwise deflections, central shaft 44 also is rotated counterclockwise an identical angle simultaneously, be hinged on 43 clockwise deflections of connecting rod swing arm of central shaft 44 opposite sides, the final support bar 42 that drives slides to the opposite outside, the center of circle of expansion ring body 41 along line slideway 411,8 support bars 42 expand laterally simultaneously and expand, be sleeved on 8 annular tire treads on the support bar 42 and be expanded to position greater than the carcass internal diameter this moment, to realize follow-up annular tire tread being sleeved on process operations on the carcass.
For solving the inclination that when annular tire tread being sleeved on a plurality of support bar 42, takes place, off-axis problem to the position location, after the internal diameter with annular tire tread expands, be arranged on 8 duplex cylinders 423 of support bar 42 links, drive its push pedal 424 along the identical stroke of the axial advance one of expansion ring body 41.
In above-mentioned progradation, equidistant stroke by 8 push pedals 424 is advanced into same vertical reference line place simultaneously with the side of annular tire tread, so long as in the stroke of duplex cylinder 423, no matter how many side of annular tire tread and spacings of vertical reference line be.
When nut seat 47 during along vertical reciprocatingly sliding, an end of nut seat 47 improves the slide-and-guide of himself by guiding rail 461.
Angle from the automation technolo degree that improves the suit annular tire tread, being arranged on a plurality of on the guiding rail 461 can be corresponding to the different station of support bar 42 near switch 462, carried by nut seat 47 and when sliding into when tablet 463 realizing near switch 462 positions, the servo deceleration motor 45 that triggering signal is controlled drive division by control system opens or cuts out, and then realization is at the control of support bar 42 sliding positions, annular tire tread is expanded or retraction and be controlled at a certain inactive state, be beneficial to follow-up suit at carcass, or support bar 42 unloaded from annular tire tread.
Claims (7)
1, a kind of upper annular tire tread expansion loop has an expansion ring body (41) that back and forth slides along bottom slide (2), it is characterized in that: in vertical component effect one side of expansion ring body (41), be provided with several along its circle distribution and the support bar (42) that axially connects;
At the vertical component effect opposite side of expansion ring body (41), be provided with to connect and drive described support bar (42) and radially move to support the drive division of annular tire tread.
2, upper annular tire tread expansion loop according to claim 1 is characterized in that: the link in described support bar (42) is provided with the slide block (421) on the line slideway (411) that is socketed in expansion ring body (41) vertical component effect slidably;
Each support bar (42) hinged one along the radially-arranged connecting rod swing arm of expansion ring body (41) vertical component effect (43), the other end of all connecting rod swing arms (43) all is hinged on the same dish type central shaft (44);
Central shaft (44) penetratingly is connected the center of expansion ring body (41) vertical component effect, and described drive division connection also drives the axial rotation of central shaft (44) along expansion ring body (41).
3, upper annular tire tread expansion loop according to claim 2, it is characterized in that: described drive division includes, be installed in the servo deceleration motor (45) on expansion ring body (41) vertical component effect, servo deceleration motor (45) is by synchronous pulley (451), band (452) drives and connects a vertical leading screw (46) synchronously, the nut seat (47) that is engaged in vertical leading screw (46) is fastenedly connected a bearing pin body (48) by a spherical bearing (471), bearing pin body (48) is fastenedly connected on the slide block of the line slideway (491) of swing arm seat (49), and swing arm seat (49) connects together coaxially with central shaft (44).
4, according to claim 2 or 3 described upper annular tire tread expansion loops, it is characterized in that: on described support bar (42), several needle bearings (422) longitudinally are installed by bearing pin;
Link in each support bar (42) is equipped with one and has and drive himself push pedal (424) duplex cylinder (423) along expansion ring body (41) axial advance one stroke.
5, upper annular tire tread expansion loop according to claim 4 is characterized in that: described swing arm seat (49) is socketed in the periphery of central shaft (44) by a spline (492);
Between central shaft (44) and expansion ring body (41), be nested with roller bearing (441), on spline (492) two ends, central shaft (44), be arranged with locking nut (442) respectively.
6, upper annular tire tread expansion loop according to claim 5 is characterized in that: be provided with a guiding rail (461) abreast in vertical leading screw (46) one sides, be connected with slip cap at an end of nut seat (47) and be connected on slide block on the guiding rail (461).
7, upper annular tire tread expansion loop according to claim 6 is characterized in that: guiding rail (461) is provided with a plurality of near switch (462), connects a tablet (463) on the slide block of guiding rail (461).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200278981U CN201257759Y (en) | 2008-09-03 | 2008-09-03 | Upper ring tyre tread expanding ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200278981U CN201257759Y (en) | 2008-09-03 | 2008-09-03 | Upper ring tyre tread expanding ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201257759Y true CN201257759Y (en) | 2009-06-17 |
Family
ID=40771989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200278981U Expired - Fee Related CN201257759Y (en) | 2008-09-03 | 2008-09-03 | Upper ring tyre tread expanding ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201257759Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705591A (en) * | 2018-06-05 | 2018-10-26 | 上海骄成机电设备有限公司 | A kind of equipment for the fixed rotation of ring-shaped work pieces positioning |
| CN111250744A (en) * | 2020-03-27 | 2020-06-09 | 湖南机电职业技术学院 | Clamp for lathe machining |
| CN111331535A (en) * | 2020-03-27 | 2020-06-26 | 湖南机电职业技术学院 | Universal clamp for assembly |
-
2008
- 2008-09-03 CN CNU2008200278981U patent/CN201257759Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705591A (en) * | 2018-06-05 | 2018-10-26 | 上海骄成机电设备有限公司 | A kind of equipment for the fixed rotation of ring-shaped work pieces positioning |
| CN111250744A (en) * | 2020-03-27 | 2020-06-09 | 湖南机电职业技术学院 | Clamp for lathe machining |
| CN111331535A (en) * | 2020-03-27 | 2020-06-26 | 湖南机电职业技术学院 | Universal clamp for assembly |
| CN111331535B (en) * | 2020-03-27 | 2021-04-06 | 湖南机电职业技术学院 | Universal clamp for assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MESNAC CO., LTD. Free format text: FORMER NAME: QINGDAO UNIVERSITY SOFT CONTROL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 266045 No. 1, Zhengzhou Road, Sifang District, Shandong, Qingdao Patentee after: Mesnac Co., Ltd. Address before: 266045 No. 1, Zhengzhou Road, Sifang District, Shandong, Qingdao Patentee before: Qingdao Colleges and Universities Soft Control Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20150903 |
|
| EXPY | Termination of patent right or utility model |