CN109719980B - A matrix section of thick bamboo receives right angle device for aviation radial tire make-up machine - Google Patents
A matrix section of thick bamboo receives right angle device for aviation radial tire make-up machine Download PDFInfo
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- CN109719980B CN109719980B CN201910009671.7A CN201910009671A CN109719980B CN 109719980 B CN109719980 B CN 109719980B CN 201910009671 A CN201910009671 A CN 201910009671A CN 109719980 B CN109719980 B CN 109719980B
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Abstract
The invention relates to a carcass tube right angle folding device for an aviation radial tire forming machine. The device includes left ring body and right ring body that are connected by the ring body connecting rod left side ring body with equally divide on the radial surface of right ring body and install respectively and be a plurality of side briquetting that the circumference distributes, the circumference of a plurality of side briquetting is concentric with corresponding ring body, a plurality of side briquetting all can be synchronous radially flexible on corresponding left ring body and right ring body, make the circumference diameter size that a plurality of side briquetting formed changeable for when the matrix drum laminating matrix curtain cloth, compress tightly the matrix curtain cloth at the right angle tip of matrix drum after synchronous the shrink of all side briquetting on two rings bodies about, when the radial inflation of matrix drum, the matrix curtain cloth is the right angle cladding at matrix drum right angle tip.
Description
Technical Field
The invention relates to the technical field of aviation manufacturing, in particular to a tire body cylinder right angle folding device for an aviation radial tire forming machine.
Background
The existing tire body cylinder molding mode of the aviation oblique crossing tire is that tire body cord fabric is expanded to a diameter larger than a tire bead and attached to the tire bead on a tire body drum, tire bead materials on two sides of the tire body drum are contracted to a diameter smaller than the tire bead by a forward wrapping device, the tire bead is arranged on a buckling ring disc, and a reverse wrapping capsule is inflated to complete a reverse wrapping process.
Because the angle of the cord fabric of the aviation radial tire cord relative to the aviation bias tire cord is small (the included angle between the cord fabric and the axial direction of a tire drum is 3-5 degrees), the number of the attaching layers is large (the cord fabric of the 6-8 inner lining layers is generally attached by one-time attaching), and the cord strength is large (a high-strength nylon cord is adopted). If an aviation bias tire carcass tube forming process is adopted, the carcass cord fabric is attached when the attachment drum expands to a large diameter, then the finger-shaped sheets are adopted to positively wrap and contract the carcass cord fabric materials on two sides of the carcass drum, and after contraction, serious uneven rubber wrinkles are generated at the root part of the tire bead of the carcass tube, so that the requirement of the aviation radial tire carcass tube forming process cannot be met, and the existing aviation radial tire can only adopt a manual positive wrapping mode to shrink the carcass tube.
Therefore, the inventor provides a carcass tube squaring device for an aviation radial tire building machine.
Disclosure of Invention
The embodiment of the invention provides a tire body cylinder right angle folding device for an aviation radial tire forming machine, which solves the problem of rubber pleating at the root of a tire bead of the tire body cylinder of the aviation radial tire and realizes automatic forming of the tire body cylinder.
The embodiment of the invention provides a tire body cylinder right angle folding device for an aviation radial tire forming machine, which comprises a left ring body and a right ring body which are connected by a ring body connecting rod, wherein a plurality of side pressing blocks which are distributed in a circumferential manner are respectively arranged on the radial surfaces of the left ring body and the right ring body, the circumferences of the side pressing blocks are concentric with the corresponding ring bodies, the side pressing blocks can synchronously and radially extend and retract on the corresponding left ring body and the right ring body, so that the circumferential diameter formed by the side pressing blocks can be changed, when a tire body drum is attached to the tire body curtain cloth, all the side pressing blocks on the left ring body and the right ring body synchronously contract and then press the tire body curtain cloth on the right-angle end part of the tire body drum, and when the tire body drum radially expands, the tire body curtain cloth is coated on the right-angle end part of the.
Further, the axial distance between the left ring and the right ring is the length of the carcass drum.
Furthermore, the left ring body and the right ring body both comprise a fixed ring, a movable ring driving cylinder, a sliding seat and a movable pin shaft, a piston rod of the movable ring driving cylinder is connected with and drives the movable ring to rotate relative to the fixed ring, a plurality of fixed ring limiting grooves are arranged on the fixed ring at intervals along the circumferential radial direction, a plurality of movable ring limiting grooves are arranged on the fixed ring at intervals along the direction which has a preset angle with the radial direction, the circumferences of the plurality of fixed ring limiting grooves and the plurality of movable ring limiting grooves are concentric with the fixed ring, the fixed ring limiting grooves and the movable ring limiting grooves are crossed, the movable pin shaft is arranged in the crossed grooves of the fixed ring and the movable ring, one end of the sliding seat is connected with the movable pin shaft, the other end of the sliding seat is connected with a corresponding side pressing block, when the movable ring driving cylinder drives the movable ring to rotate, the movable pin shaft approaches to or leaves from the center of the ring, all the side pressure blocks are driven by the sliding seat to contract or expand radially.
Furthermore, the number of the fixed ring limiting grooves, the movable ring limiting grooves, the sliding seat, the movable pin shaft and the side pressing blocks on the left ring body and the right ring body is the same.
Furthermore, the left ring body and the right ring body further respectively comprise a corresponding left frame and a corresponding right frame, the fixed ring and the movable ring driving cylinders are fixedly arranged on the left frame or the right frame on the corresponding sides, and the two movable ring driving cylinders on the left frame and the right frame synchronously drive the corresponding movable rings to rotate.
Further, the movable ring is arranged between the fixed ring and the frame on the corresponding side.
Furthermore, the end part extrusion surface of the side pressing block is in a smooth arc shape.
In conclusion, the invention solves the problem of rubber wrinkles at the root part of the tire body cylinder of the aviation radial tire, adopts the tire body cord fabric to be attached to the small diameter of the tire body drum, and expands the belt material of the tire body drum after the side pressure blocks hoop the materials at two sides of the tire body drum, so that the tire body cylinder is accurately shaped, and the positioning precision of the tire bead is effectively improved. The device can meet the requirement of the forming process of the tire body cylinder of the aviation radial tire, eliminate the problem of rubber wrinkles at the root part of the tire body cylinder, realize the automatic forming of the tire body cylinder and effectively solve the process problem of manually shrinking the tire body cylinder of the existing aviation radial tire.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1a and 1b are schematic diagrams of a left side view and a right side view of a carcass tube squaring device for an aviation radial tire building machine according to an embodiment of the present invention.
FIG. 2 is a schematic view of the carcass tube squaring device of FIG. 1b in the direction A-A.
Fig. 3 is a schematic view of a situation when the carcass tube squaring device according to the embodiment of the present invention forms a square.
In the figure:
1-a left ring body; 2-a right ring body; 3-a ring link; 4-side briquetting; 5-ring fixation; 6-moving ring; 7-a moving ring driving cylinder; 8-a fixed ring limiting groove; 9-a movable ring limiting groove; 10-a slide base; 11-moving the pin shaft; 12-a left frame; 13-a right frame; 14-a carcass drum; 15-carcass ply; 16-main shaft.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the embodiments described, but covers any modifications, alterations, and improvements in the parts, components, and connections without departing from the spirit of the invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 to fig. 3 show a carcass tube squaring device for an aircraft radial tire building machine according to an embodiment of the present invention. Referring to fig. 1 and 2, the device includes a left ring 1 and a right ring 2 connected by a ring link 3, a plurality of side pressing blocks 4 distributed circumferentially are respectively mounted on radial surfaces of the left ring 1 and the right ring 2, the circumferences of the side pressing blocks 4 are concentric with the corresponding rings (the left ring 1 and the right ring 2), the side pressing blocks 4 can synchronously and radially extend and retract on the corresponding left ring 1 and the right ring 2, so that the circumferential diameter formed by the side pressing blocks 4 is variable, when the carcass drum 14 is attached to the carcass cord 15, all the side pressing blocks 4 on the left ring 1 and the right ring 2 are synchronously contracted to press the carcass cord 15 at a right-angle end of the carcass drum 14, and when the carcass drum 14 is radially expanded, the carcass cord 15 is coated at the right-angle end of the carcass drum 14 at a right angle (see fig. 3).
Wherein the axial distance between the left ring 1 and the right ring 2 is the length of the carcass drum 14. The left ring body 1 and the right ring body 2 respectively comprise a fixed ring 5, a movable ring 6, a movable ring driving cylinder 7, a sliding seat 10 and a movable pin 11, a piston rod of the movable ring driving cylinder 7 is connected with and drives the movable ring 6 to rotate relative to the fixed ring 5, a plurality of fixed ring limiting grooves 8 are arranged on the fixed ring 5 at intervals along the circumferential radial direction, a plurality of movable ring limiting grooves 9 are arranged on the fixed ring 5 at intervals along the radial direction with a preset angle, the circumference where the plurality of fixed ring limiting grooves 8 and the plurality of movable ring limiting grooves 9 are positioned is concentric with the fixed ring 5, the fixed ring limiting grooves 8 and the movable ring limiting grooves 9 are crossed, a movable pin shaft 11 is arranged in the crossed grooves of the fixed ring limiting grooves and the movable ring limiting grooves, one end of a sliding seat 10 is connected with the movable pin shaft 11, the other end is connected with a corresponding side pressure block 4, when the movable ring driving cylinder 7 drives the movable ring 6 to rotate, the movable pin 11 is close to or far away from the center of the ring along with the crossed groove, and all the side pressing blocks 4 are driven to radially contract or expand by the sliding seat 10.
And the number of all the fixed ring limiting grooves 8, the movable ring limiting grooves 9, the sliding seats 10, the movable pin shafts 11 and the side pressure blocks 4 of the corresponding ring bodies on the left ring body 1 and the right ring body 2 are the same.
Further, the left ring body 1 and the right ring body 2 further comprise a corresponding left frame 12 and a corresponding right frame 13 respectively, the fixed ring 5 and the movable ring driving cylinder 7 are fixedly arranged on the left frame 12 or the right frame 13 on the corresponding side, the movable ring 6 is arranged between the fixed ring 5 and the frame on the corresponding side, that is, on the left ring body 1, the movable ring is arranged between the fixed ring and the left frame 12 on the corresponding side; the upper movable ring of the right ring body 2 is arranged between the fixed ring and the right frame on the corresponding side. And the two movable ring driving cylinders 7 on the left frame 12 and the right frame 13 synchronously drive the corresponding movable rings 6 to rotate.
The end pressing surface of the side press block 4 is formed in a smooth arc shape to prevent scraping.
The scene of the right angle folding device for the tire body cylinder is shown in fig. 3, and specifically comprises the following steps: firstly, the carcass drum 14 is expanded to the diameter D1 and then is attached to the carcass ply 15, and the right angle closing device of the carcass drum is moved from the left resident station to the attaching station, so that the side pressure blocks 4 are positioned at two sides of the carcass drum 14; a moving ring driving cylinder 7 of the tire body cylinder right angle folding device drives the moving ring to rotate, and a side pressing block 14 radially contracts towards a main shaft 16 and reaches the outer side of a tire body drum 14; the tyre drum 14 is expanded to the diameter D2(D2> D1), the side pressure blocks 4 hoop the tyre bead root position of the tyre tube, the lower edge of the tyre tube is enabled to form a right angle shape, the two sides of the expanded tyre tube are prevented from forming slopes, and positioning preparation is made for accurately mounting the tyre bead.
In conclusion, the invention discloses a tire body cylinder right angle folding device for an aviation radial tire forming machine. The device at least comprises a left ring body and a right ring body, wherein the left ring body and the right ring body are connected through a ring body connecting rod, and the inner space between two ring side pressing blocks is the length of a tire body drum. A group of side pressing blocks which are distributed circumferentially are respectively arranged on the left ring body and the right ring body, each group of side pressing blocks can be radially contracted under the driving of the cylinder, and the whole ring body can axially move along the tire body drum. When the tire body drum is in work, 6-8 layers of tire body cord fabrics are attached when the tire body drum shrinks to a small diameter, then the right angle folding device moves from the station resident on one side to the attaching station, and the side pressure blocks fixed on the right angle folding device shrink radially, so that the two groups of side pressure blocks are positioned at two ends of the tire body drum and outside the tire body drum. And then expanding the tyre body drum strip material to a large diameter, and hooping the tyre body cord fabric on the end part of the tyre body drum by the side pressing block, so that the tyre body cord fabric is in a right-angle shape along with the right-angle prism of the end part, the two side edges are prevented from forming slopes after the tyre body drum is expanded, and positioning preparation is made for accurately mounting the tyre ring.
It should be clear that the embodiments in this specification are described in a progressive manner, and the same or similar parts in the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. For embodiments of the method, reference is made to the description of the apparatus embodiments in part. The present invention is not limited to the specific steps and structures described above and shown in the drawings. Also, a detailed description of known process techniques is omitted herein for the sake of brevity.
The above description is only an example of the present application and is not limited to the present application. Various modifications and alterations to this application will become apparent to those skilled in the art without departing from the scope of this invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (6)
1. A tire body cylinder right angle folding device for an aviation radial tire forming machine is characterized by comprising a left ring body and a right ring body which are connected through a ring body connecting rod, wherein a plurality of side pressing blocks which are distributed in a circumferential manner are respectively arranged on the radial surfaces of the left ring body and the right ring body, the circumferences of the side pressing blocks are concentric with the corresponding ring bodies, the side pressing blocks can synchronously and radially extend and retract on the corresponding left ring body and the right ring body, so that the circumferential diameter formed by the side pressing blocks can be changed, when a tire body drum is attached to a tire body cord, all the side pressing blocks on the left ring body and the right ring body synchronously contract and then press the tire body cord to be tightly pressed at the right angle end of the tire body drum, and when the tire body drum radially expands, the tire body cord is coated at the right angle end of the tire body;
the left ring body and the right ring body respectively comprise a fixed ring, a movable ring driving cylinder, a sliding seat and a movable pin shaft, the piston rod of the movable ring driving cylinder is connected with and drives the movable ring to rotate relative to the fixed ring, a plurality of fixed ring limiting grooves are arranged on the fixed ring at intervals in the circumferential radial direction, a plurality of movable ring limiting grooves are arranged on the fixed ring at intervals in the direction forming a preset angle with the radial direction, the circumferences of the plurality of fixed ring limiting grooves and the plurality of movable ring limiting grooves are concentric with the fixed ring, the fixed ring limiting groove and the movable ring limiting groove are crossed, the movable pin shaft is arranged in the crossed groove of the fixed ring limiting groove and the movable ring limiting groove, one end of the sliding seat is connected with the movable pin shaft, the other end of the sliding seat is connected with a corresponding side pressing block, when the movable ring driving cylinder drives the movable ring to rotate, the movable pin shaft is close to or far away from the center of the ring along with the crossed groove, and all the side pressure blocks are driven to radially contract or expand through the sliding base.
2. The carcass sleeve squaring device of claim 1, characterized in that the axial distance between the left ring and the right ring is the length of the carcass drum.
3. The carcass tube squaring device according to claim 1, wherein the number of the fixed ring limiting grooves, the movable ring limiting grooves, the sliding base, the movable pin and the side pressing blocks on the left ring body and the right ring body are the same.
4. The carcass tube squaring device according to claim 1, wherein the left ring body and the right ring body further comprise a left frame and a right frame respectively, the fixed ring and the movable ring driving cylinders are fixedly arranged on the left frame or the right frame on the corresponding side, and the two movable ring driving cylinders on the left frame and the right frame synchronously drive the corresponding movable rings to rotate.
5. The carcass sleeve squaring device of claim 1, characterized in that the mobile ring is provided between the fixed ring and the frame of the respective side.
6. The carcass drum squaring device according to claim 1, wherein the end pressing face of the side pressing block is in the shape of a smooth circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009671.7A CN109719980B (en) | 2019-01-05 | 2019-01-05 | A matrix section of thick bamboo receives right angle device for aviation radial tire make-up machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009671.7A CN109719980B (en) | 2019-01-05 | 2019-01-05 | A matrix section of thick bamboo receives right angle device for aviation radial tire make-up machine |
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| Publication Number | Publication Date |
|---|---|
| CN109719980A CN109719980A (en) | 2019-05-07 |
| CN109719980B true CN109719980B (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910009671.7A Active CN109719980B (en) | 2019-01-05 | 2019-01-05 | A matrix section of thick bamboo receives right angle device for aviation radial tire make-up machine |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100526062C (en) * | 2006-12-12 | 2009-08-12 | 天津市橡塑机械研究所有限公司 | Mechanical assembly drum with attaching and compacting functions |
| JP4956495B2 (en) * | 2008-07-02 | 2012-06-20 | 住友ゴム工業株式会社 | Raw tire forming method and raw tire forming apparatus |
| CN103182787A (en) * | 2011-12-31 | 2013-07-03 | 软控股份有限公司 | One-time two-drum forming machine for car tyre and method thereof |
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