CN117103744B - One-step forming assembly and one-step forming method of radial tire - Google Patents
One-step forming assembly and one-step forming method of radial tire Download PDFInfo
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- CN117103744B CN117103744B CN202311330082.1A CN202311330082A CN117103744B CN 117103744 B CN117103744 B CN 117103744B CN 202311330082 A CN202311330082 A CN 202311330082A CN 117103744 B CN117103744 B CN 117103744B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000004804 winding Methods 0.000 claims abstract description 28
- 238000001125 extrusion Methods 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000008602 contraction Effects 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/24—Drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/24—Drums
- B29D30/26—Accessories or details, e.g. membranes, transfer rings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/28—Rolling-down or pressing-down the layers in the building process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D2030/205—A single building drum being mounted on a fixture or supporting device, e.g. turret or turntable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D2030/207—Building tyres by the flat-tyre method, i.e. building on cylindrical drums the drum supporting device being rotatable around a horizontal axis
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
The invention relates to the technical field of radial tires, in particular to a one-time forming assembly and a forming method of a radial tire, which solve the problems that when a tire forming drum is in winding contact with an air-tight layer, the hot air-tight layer is in contact with the tire forming drum, and the air-tight layer and the tire forming drum are slightly deformed due to expansion caused by heat and contraction caused by cold, so that the air-tight layer is incompletely attached to the tire forming drum and bubbles are generated; the inside axis of rotation that is equipped with of tire building drum, the extrusion piece that is equipped with on the axis of rotation, extrusion piece rotate in-process, can apply pressure to touching the piece, tire building drum inner wall fixedly connected with second hot plate, through touching the piece, bubble between tire building drum and the inner liner is eliminated to second hot plate and the compression roller mechanism.
Description
Technical Field
The invention relates to the technical field of radial tires, in particular to a one-time forming assembly and a one-time forming method of a radial tire.
Background
The radial tire is different from the bias tire, and the tire body cord layers are arranged in parallel to form radial arrangement, so that the radial tire has the advantages of large ground contact area, good adhesion performance, good tread slippage, long service life and the like. Meanwhile, the production difficulty of the radial tire is also improved.
The technical scheme adopted in the CN214563123U agricultural radial tire forming device is as follows: the tire forming device comprises a workbench, the upper surfaces of the left side and the right side of the workbench are respectively fixedly connected with a supporting column, the right side is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a tire forming drum, the agricultural radial tire forming device is characterized in that a clamping ring is driven to move by an electric sliding block through placing a part of a wheel belt at the center of the tire forming drum, a tread of a tire can be placed at the center of the tire forming drum by a second air cylinder and an arc clamping plate to be combined with a tire bead and an inner layer, however, when the existing tire forming drum is in winding contact with an airtight layer, the contacted airtight layer is usually hot, the hot airtight layer is in contact with the tire forming drum, so that tiny deformation occurs between the tire forming drum and the airtight layer due to thermal expansion and contraction, the incomplete bonding between the airtight layer and the tire forming drum is caused, air bubbles are generated, the generated air bubbles cannot be effectively eliminated, the tire is deformed or original shape is generated in the process of forming, the tire is reduced in the production quality of a product, and the tire can be effectively eliminated.
Disclosure of Invention
The invention aims to provide a one-step forming assembly and a one-step forming method of a radial tire, which solve the problems that bubbles are generated due to incomplete bonding between an inner liner and a tire forming drum and cannot be effectively eliminated due to slight deformation caused by thermal expansion and cold contraction when the thermal inner liner is contacted with the tire forming drum, and the formed shape of the tire is influenced.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a radial tire's one shot forming subassembly, includes the mount table, the mount table top is provided with the installation mechanism the mount table with be provided with the tire shaping drum between the installation mechanism, mount table top both sides all swing joint has the centre gripping subassembly, the one end of tire shaping drum is equipped with first driving motor, the tire shaping drum other end is equipped with the second cylinder, the both ends of tire shaping drum all are connected with the transfer line, first driving motor output is connected with the one end transmission of transfer line, the cross groove has been seted up to the transfer line other end, the output of second cylinder rotates and is connected with the cross bar, the mount table top is equipped with supporting mechanism and compression roller mechanism, supporting mechanism and compression roller mechanism respectively with second cylinder and tire shaping drum corresponding setting;
the tire molding drum is characterized in that a rotating shaft is arranged inside the tire molding drum, two ends of the rotating shaft are fixedly connected with a transmission rod, the outer wall of the rotating shaft is rotationally connected with a connecting piece, a mounting piece is fixedly connected to the connecting piece, the outer wall of the mounting piece penetrates through and is slidably connected with a limiting piece, one end of the limiting piece is fixedly connected with a touch block, the touch block is positioned inside the mounting piece, the other end of the limiting piece is fixedly connected with a vibrating block, a reset spring is connected between the touch block and the mounting piece, the outer wall of the rotating shaft is fixedly connected with a plurality of extrusion blocks, the extrusion blocks can apply pressure to the touch block in the rotating process, and the inner wall of the tire molding drum is fixedly connected with a second heating plate.
Preferably, the tire building drum comprises a roller, roller both ends all are with transfer line fixed connection, the both sides of roller outer wall all are equipped with the gasbag, are close to the roller both ends the equal sliding connection of transfer line outer wall has the slip cap, two the opposite end of slip cap all is equipped with the extrusion piece, the equal fixedly connected with slider of slip cap outer wall, the equal sliding connection of slider has the electronic guide rail of second, the top at the mount table of the electronic guide rail fixed connection of second, roller inner wall and second hot plate fixed connection, the roller outer wall is equipped with the gas pocket, gasbag and gas pocket all communicate with the air pump.
Preferably, the compression roller mechanism comprises a fifth cylinder, the fifth cylinder is fixedly connected to the bottom end of the mounting table, a telescopic rod of the fifth cylinder penetrates through the mounting table in a sliding mode and is fixedly connected with a fixing frame, two sides of the top end of the fixing frame are fixedly connected with supporting plates, supporting pieces are arranged on the top ends of the supporting plates, compression springs are connected between the supporting pieces and the supporting plates, and a squeeze roller is rotationally connected between the two supporting pieces.
Preferably, one side of the first driving motor is provided with a stabilizing shaft sleeve, the bottom of the stabilizing shaft sleeve is fixedly connected with a fixing support, and the fixing support is fixedly connected to the top end of the mounting table.
Preferably, the second cylinder and the first driving motor are both provided with mounting frames on the outer walls, and the mounting frames are fixedly connected to the top of the mounting table.
Preferably, the bearing mechanism comprises a second driving motor, the second driving motor is fixedly connected with the bottom end of the installation table, the output end of the second driving motor is fixedly connected with a screw sleeve, the screw sleeve penetrates through the installation table through a shaft sleeve, the inner thread of the screw sleeve is connected with a lifting screw rod, one end of the lifting screw rod is fixedly connected with the bottom of the bearing mechanism, an output shaft of the second driving motor is in transmission connection with the bottom end of the screw sleeve, and the other end of the lifting screw rod is fixedly connected with a bearing plate.
Preferably, guide rods are fixedly connected to two sides of the bottom of the supporting plate, the guide rods penetrate through the mounting table through shaft sleeves, the supporting plate is in an arc-shaped arrangement, and an anti-slip pad is connected to the top of the supporting plate.
Preferably, the mounting mechanism comprises a mounting plate, the first cylinder of mounting plate top fixedly connected with, the output of first cylinder slides and runs through the mounting plate, and fixedly connected with diaphragm, the first hot plate of the equal fixedly connected with in both ends of diaphragm, first hot plate is the slope setting, the bottom both sides of diaphragm all are connected with a plurality of gyro wheel through the linking bridge rotation.
Preferably, the first electronic slide rail is all installed to the top both sides of mount table, the clamping assembly is including removing the slip table, remove slip table fixedly connected with slip bottom plate, slip bottom plate top sliding connection has the montant, the top fixedly connected with fourth cylinder of slip bottom plate, the output and the montant one side of fourth cylinder are connected, two movable grooves have been seted up to one side of montant, two the equal swing joint in inside in movable groove has the clamping lever, a side center department of montant installs the third cylinder, the output fixedly connected with movable rod of third cylinder, two the equal swing joint movable rod of clamping lever one end, two the equal fixedly connected with clamping block of clamping lever other end.
A method of forming a radial tire, comprising the steps of:
s1, a first driving motor rotates to enable a roller and a rotating shaft to rotate together, a second heating plate heats to enable the surface temperature of the roller to rise, the rotating shaft rotates to enable an extrusion block to apply pressure to a touch block, and when the touch block is subjected to pressure, the roller is enabled to generate high-frequency vibration to discharge bubbles;
s2, after the winding of the winding roller, the inner layer of the tire bulges under the action of the air blowing holes on the winding roller, then the air bag is inflated and expanded, so that the inner layer of the tire on the air bag and the air bag are inflated together under the action of the steel ring, and then the extrusion piece extrudes the air bag through the second electric guide rail, so that the inner layer of the tire on the air bag wraps the bulged inner layer of the tire;
s3, the sliding table is moved along the first electric sliding rail to drive the vertical rods to move, the third air cylinder drives the movable rods and the two clamping rods to move, the tread of the tire is placed at the center of the tire forming drum to correspond to the inner layer of the tire, meanwhile, the inner layer of the tire continuously bulges under the action of the air blowing holes on the winding roller, and the air bag continuously extrudes under the action of the extrusion piece, so that the tread of the tire is combined with the inner layer of the tire;
s4, enabling the roller of the transverse plate to contact with the outer side wall of the tire through extension of the output end of the first air cylinder, enabling the tire forming drum to rotate through rotation of the first driving motor, enabling the tire to rotate, enabling the first heating plate to bake the joint of the tread and the inner ring of the tire, enabling rubber to be soft, and enabling the tread to be attached to the inner ring through attachment and rolling of the roller and the joint;
s5, forming a cross groove at one end of the tire building drum, and propping the cross rod in the cross groove through a second cylinder;
s6, when unloading, the movable rod and the two clamping rods are driven by the third air cylinder to move so that the two clamping blocks are in contact with the top of one side of the tire, the two clamping assemblies clamp the periphery of the outer ring of the tire through the four clamping blocks respectively, the two vertical rods are driven to slide to a position close to the bearing mechanism along the first electric sliding rail through the cooperation of the movable sliding table and the first electric sliding rail, the cross rod is driven to leave the inside of the cross groove through the output end retraction of the second air cylinder, one end of the tire forming drum is opened, the output shaft of the second driving motor drives the threaded sleeve to rotate, and accordingly the bearing plate is driven to lift through the cooperation of the lifting screw rod, so that the tire can be unloaded.
The invention has the technical effects and advantages that:
1. according to the invention, the second heating plate and the compression roller mechanism are arranged, when the winding roller rotates to wind and wind the tyre airtight layer, the second heating plate heats the surface of the winding roller, so that bubbles generated by incomplete bonding between the airtight layer and the tyre forming drum due to deformation caused by temperature difference when the hot tyre airtight layer contacts with the winding roller are avoided, and meanwhile, the extrusion roller extrudes the tyre airtight layer in winding and winding under the action of the fifth air cylinder and the compression spring, so that the tyre airtight layer in winding and winding is in flat and tight contact with the winding roller, and bubbles generated by uneven bonding between the airtight layer and the tyre forming drum are further avoided.
2. According to the invention, the first driving motor rotates to enable the rotating shaft to rotate together, the rotating shaft rotates to enable the plurality of extrusion blocks to continuously extrude the touch blocks, when the touch blocks are stressed, the vibration blocks continuously vibrate with the inner surface of the roller under the action of the touch blocks and the reset springs, so that high-frequency micro vibration is generated on the outer surface of the roller, on one hand, air in tire rubber wound by the roller is discharged under the action of the high-frequency micro vibration, on the other hand, the tire forming drum avoids air bubbles in the forming process, and particularly, the tire is conveniently separated from the roller smoothly, adhesion between a high-temperature tire and the roller is avoided, the inner surface of the formed tire is smoother and more uniform, air bubbles in the tire are effectively avoided, and the air bubbles between the tire forming drum and the airtight layer can be effectively eliminated, so that the forming quality of the tire is improved.
3. According to the invention, the bearing mechanism, the clamping assemblies and the cross rods are arranged, before the tire forming drum rotates, the cross rods are propped against the inside of the cross grooves by the second air cylinder, so that the stability of the tire forming drum during rotation is improved, the influence of shaking on tire forming is avoided, when the formed tire is unloaded, the movable rods and the two clamping rods are driven by the third air cylinder to move, so that the two clamping blocks are contacted with the top and the top of one side of the tire, the periphery of the outer ring of the tire is respectively clamped by the two clamping assemblies through the four clamping blocks, the two vertical rods are driven by the matching of the movable sliding table and the first electric sliding rail to slide along the first electric sliding rail to a position close to the bearing plate, the cross rods are retracted and driven by the output end of the second air cylinder to leave the inside of the cross grooves, one end of the tire forming drum is opened, and the screw sleeve is driven by the output shaft of the second driving motor to rotate so as to drive the bearing plate to lift through the matching of the lifting screw rod, so that the tire can be unloaded, and the problem that the bearing force of the tire forming drum is increased in the tire forming process is solved, and the problem that the bearing force of the tire is difficult to disassemble when the support is provided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the mounting mechanism of the present invention;
FIG. 3 is an enlarged view of the structure of portion A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the structure of the mounting table of the present invention;
FIG. 5 is an enlarged view of the structure of portion B of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view of the internal structure of the tire building drum of the present invention;
FIG. 7 is a schematic view of a press roller mechanism according to the present invention;
FIG. 8 is an enlarged view of the structure of portion C of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic view of the structure of the support mechanism of the present invention;
fig. 10 is a schematic view of a clamping assembly according to the present invention.
In the figure: 1. a mounting table; 2. a tire building drum; 3. a mounting mechanism; 4. a clamping assembly; 5. a first cylinder; 6. a cross plate; 7. a first heating plate; 8. a roller; 9. a second cylinder; 10. a cross bar; 11. a bearing mechanism; 12. a first electric slide rail; 13. stabilizing the shaft sleeve; 14. a first driving motor; 15. a guide rod; 16. a second driving motor; 17. a screw sleeve; 171. lifting screw rods; 172. a bearing plate; 18. a transmission rod; 19. a press roller mechanism; 191. a fifth cylinder; 192. a fixing frame; 193. a support plate; 194. a support; 195. a compression spring; 196. a squeeze roll; 201. a roller; 202. an air bag; 203. a sliding sleeve; 204. an extrusion; 205. a slider; 206. a second electric rail; 207. a rotating shaft; 208. a connecting piece; 209. a mounting member; 210. a limiting piece; 211. a touch block; 212. a vibrating block; 213. extruding a block; 214. a second heating plate; 215. a return spring; 301. a mounting plate; 401. moving the sliding table; 402. a sliding bottom plate; 403. a third cylinder; 404. a clamping block; 405. a vertical rod; 406. a moving groove; 407. a clamping rod; 408. a movable rod; 409. and a fourth cylinder.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
When the tyre building drum is in winding contact with the inner liner of the tyre, the contacted inner liner is usually hot, and the hot inner liner is in contact with the tyre building drum, so that the tyre building drum and the inner liner are slightly deformed due to expansion and contraction, the air bubble is generated, the shape of the subsequent tyre building is affected, and the production quality of the tyre is reduced.
Referring to fig. 1-8, a radial tire one-time molding assembly and molding method, a mounting table 1, a mounting mechanism 3 arranged at the top of the mounting table 1, a tire molding drum 2 arranged between the mounting table 1 and the mounting mechanism 3, clamping assemblies 4 movably connected to both sides of the top of the mounting table 1, a first driving motor 14 arranged at one end of the tire molding drum 2, a second cylinder 9 arranged at the other end of the tire molding drum 2, a transmission rod 18 connected to both ends of the tire molding drum 2, a cross groove arranged at the other end of the transmission rod 18, a cross rod 10 rotatably connected to the output end of the second cylinder 9, a supporting mechanism 11 and a compression roller mechanism 19 arranged at the top of the mounting table 1, and the supporting mechanism 11 and the compression roller mechanism 19 respectively corresponding to the second cylinder 9 and the tire molding drum 2;
the tyre building drum 2 comprises a roller 201, wherein two ends of the roller 201 are fixedly connected with a transmission rod 18, air bags 202 are arranged on two sides of the outer wall of the roller 201, sliding sleeves 203 are slidably connected to the outer wall of the transmission rod 18 close to the two ends of the roller 201, extruded pieces 204 are arranged on the opposite ends of the two sliding sleeves 203, sliding pieces 205 are fixedly connected to the outer walls of the sliding sleeves 203, second electric guide rails 206 are slidably connected to the sliding pieces 205, the second electric guide rails 206 are fixedly connected to the top of the mounting table 1, the inner wall of the roller 201 is fixedly connected with a second heating plate 214, air blowing holes are formed in the outer wall of the roller 201, and the air bags 202 and the air blowing holes are communicated with an air pump;
the compression roller mechanism 19 includes fifth cylinder 191, and fifth cylinder 191 fixed connection is in the bottom of mount table 1, and the telescopic link of fifth cylinder 191 slides and runs through mount table 1, and fixedly connected with mount 192, and the equal fixedly connected with backup pad 193 in mount 192 top both sides, backup pad 193 top all is equipped with support piece 194, is connected with hold-down spring 195 between support piece 194 and the backup pad 193, rotates between two support pieces 194 to be connected with squeeze roll 196.
It should be noted that, the first driving motor 14 rotates to make the roller 201 rotate, the roller 201 rotates to wind and wind the tyre airtight layer, at this time, the second heating plate 214 heats to raise the surface temperature of the roller 201, so as to avoid bubbles generated by incomplete bonding between the airtight layer and the tyre forming drum due to deformation caused by expansion and contraction when the hotter tyre airtight layer contacts with the roller 201, and meanwhile, the fifth cylinder 191 rises, so that the squeeze roller 196 tightly contacts with the tyre airtight layer in winding under the action of the first compression spring 195, squeezes the tyre airtight layer in winding, and makes the tyre airtight layer in winding flat contact with the roller 201 for winding, thereby avoiding bubbles generated between the airtight layer and the tyre forming drum 2 due to uneven bonding.
Example two
According to the first embodiment, when air bubbles still exist between the tire building drum and the inner liner of the tire after the tire building drum is wound and rolled up with the inner liner of the tire, if the air bubbles cannot be quickly and effectively eliminated, the stability of the subsequent tire building is affected.
Referring to fig. 1-6, a rotating shaft 207 is arranged inside a tyre building drum 2, two ends of the rotating shaft 207 are fixedly connected with a transmission rod 18, the outer wall of the rotating shaft 207 is rotationally connected with a connecting piece 208, a mounting piece 209 is fixedly connected to the connecting piece 208, the outer wall of the mounting piece 209 penetrates through and is slidingly connected with a limiting piece 210, one end of the limiting piece 210 is fixedly connected with a touch block 211, the touch block 211 is positioned inside the mounting piece 209, the other end of the limiting piece 210 is fixedly connected with a vibrating block 212, a reset spring 215 is connected between the touch block 211 and the mounting piece 209, the outer wall of the rotating shaft 207 is fixedly connected with a plurality of extrusion blocks 213, and in the rotation process of the extrusion blocks 213, pressure can be continuously applied to the touch block 211, and the inner wall of the tyre building drum 2 is fixedly connected with a second heating plate 214.
It should be noted that, the rotation of the first driving motor 14 causes the rotation shaft 207 to rotate together, the rotation shaft 207 rotates to enable the plurality of extrusion blocks 213 to continuously extrude the touch block 211, when the touch block 211 is stressed, the vibration block 212 continuously vibrates with the inner surface of the roller 201 under the action of the touch block 211 and the reset spring 215, so that the outer surface of the roller 201 generates high-frequency micro vibration, and under the action of the high-frequency micro vibration, on one hand, the air in the tire rubber wound by the roller 201 is discharged, on the other hand, the tire forming drum 2 avoids air bubbles in the forming process, and in particular, the tire is conveniently and smoothly separated from the roller 201, the adhesion between the high-temperature tire and the roller 201 is avoided, the inner surface of the formed tire is smoother and more uniform, the air bubbles in the tire are effectively avoided, and the air bubbles between the tire forming drum and the airtight layer can be effectively eliminated, so that the tire forming quality is improved.
Example III
In the tire building process, the bearing capacity of the tire building drum can be increased, so that the tire can shake during the rotation and the building of the tire, the quality of the tire building is affected, the bearing capacity of the tire building drum can not be reduced by single-side support, and the disassembly of the formed tire can be affected by two-side support.
Referring to fig. 1 to 10, a stabilizing shaft sleeve 13 is disposed at one side of a first driving motor 14, the bottom of the stabilizing shaft sleeve 13 is fixedly connected with a fixing support, the fixing support is fixedly mounted at the top end of a mounting table 1, a mounting frame is disposed on the outer walls of a second cylinder 9 and the first driving motor 14, the mounting frame is fixedly connected at the top of the mounting table 1, a bearing mechanism 11 comprises a second driving motor 16, the second driving motor 16 is fixedly connected with the bottom end of the mounting table 1, the output end of the second driving motor 16 is fixedly connected with a screw sleeve 17, the screw sleeve 17 penetrates through the mounting table 1 through the shaft sleeve, the inside thread of the screw sleeve 17 is connected with a lifting screw 171, one end of the lifting screw 171 is fixedly connected with the bottom of the bearing mechanism 11, the output shaft of the second driving motor 16 is in transmission connection with the bottom end of the screw sleeve 17, the other end of the lifting screw 171 is fixedly connected with a bearing plate 172, both sides of the bottom of the bearing plate 172 are fixedly connected with guide rods 15, guide rod 15 passes through mount table 1 through the axle sleeve, the bearing board 172 is arc setting, the top of bearing board 172 is connected with the slipmat, mounting mechanism 3 includes mounting panel 301, mounting panel 301 top fixedly connected with first cylinder 5, the output of first cylinder 5 slides and passes through mounting panel 301, and fixedly connected with diaphragm 6, the both ends of diaphragm 6 all fixedly connected with first hot plate 7, first hot plate 7 is the slope setting, the bottom both sides of diaphragm 6 all rotate through the linking bridge and are connected with a plurality of gyro wheel 8, first electronic slide rail 12 is all installed to the top both sides of mount table 1, clamping assembly 4 includes removal slip table 401, removal slip table 401 fixedly connected with slip bottom plate 402, slip bottom plate 402 top sliding connection has montant 405, the top fixedly connected with fourth cylinder 409 of slip bottom plate 402, the output and the montant 405 one side of fourth cylinder 409 are connected, two movable grooves 406 are formed in one side of the vertical rod 405, clamping rods 407 are movably connected to the inner portions of the two movable grooves 406, a third air cylinder 403 is arranged in the center of one side of the vertical rod 405, the output end of the third air cylinder 403 is fixedly connected with movable rods 408, one ends of the two clamping rods 407 are movably connected with the movable rods 408, and the other ends of the two clamping rods 407 are fixedly connected with clamping blocks 404.
It should be noted that before the tire building drum 2 rotates, the second cylinder 9 pushes the cross rod 10 against the inside of the cross groove, stability of the tire building drum 2 during rotation is improved, influence of shaking on tire building is avoided, when the formed tire is unloaded, the third cylinder 403 drives the movable rod 408 and the two clamping rods 407 to move, two clamping blocks 404 contact with one side top and top of the tire, two groups of clamping assemblies 4 clamp the periphery of the outer ring of the tire through four clamping blocks 404 respectively, two vertical rods 405 are driven to slide along the first electric sliding rail 12 to a position close to the bearing plate 172 through the cooperation of the movable sliding table 401 and the first electric sliding rail 12, the output end of the second cylinder 9 is retracted to drive the cross rod 10 to leave the inside of the cross groove, one end of the tire building drum 2 is opened, the output shaft of the second driving motor 16 drives the threaded sleeve 17 to rotate, and accordingly the bearing plate 172 can be driven to lift through the cooperation of the lifting screw 171, accordingly the tire can be unloaded, and the problem that the tire building drum 2 is difficult to disassemble when the tire is supported is provided is solved.
A method of forming a radial tire, comprising the steps of:
s1, a first driving motor 14 rotates to enable a roller 201 and a rotating shaft 207 to rotate together, meanwhile, a second heating plate 214 heats to enable the surface temperature of the roller 201 to rise, the rotating shaft 207 rotates to enable an extrusion block 213 to apply pressure to a touch block 211, when the touch block 211 is subjected to pressure, under the action of the touch block 211 and a reset spring 215, a vibration block 212 continuously vibrates with the inner surface of the roller 201, so that high-frequency micro vibration is generated on the outer surface of the roller 201, and under the action of the high-frequency micro vibration, on one hand, gas in tire rubber wound by the roller 201 is discharged;
s2, after the winding of the winding roller 201 is completed, the inner layer of the tire bulges under the action of the air blowing holes on the winding roller 201, then the air bag 202 is inflated and expanded, so that the inner layer of the tire on the air bag 202 and the air bag 202 are inflated together under the action of the steel ring, then the extrusion piece 204 is extruded by the second electric guide rail 206, so that the inner layer of the tire on the air bag 202 wraps the bulged inner layer of the tire, and in the forming process of the tire forming drum 2, high-frequency micro vibration generated on the outer surface of the winding roller 201 avoids bubble generation, so that bubbles between the tire forming drum and the air-tight layer can be effectively eliminated, and the forming quality of the tire can be improved;
s3, the sliding table 401 is moved along the first electric sliding rail 12 to drive the vertical rods 405 to move, the third air cylinder 403 drives the movable rods 408 and the two clamping rods 407 to move, the tread of the tire is placed at the center of the tire forming drum 2 and corresponds to the inner layer of the tire, meanwhile, the inner layer of the tire continuously bulges under the action of the air blowing holes on the winding roller 201, and the air bag 202 continuously extrudes under the action of the extrusion piece 204, so that the tread of the tire is combined with the inner layer of the tire;
s4, the roller 8 of the transverse plate 6 is contacted with the outer side wall of the tire through the extension of the output end of the first air cylinder 5, the rotation of the first driving motor 14 drives the tire forming drum 2 to rotate so as to rotate the tire, the first heating plate 7 can bake the joint of the tread and the inner ring of the tire so as to soften rubber, and meanwhile, the roller 8 is jointed and rolled with the joint so as to joint the tread and the inner ring;
s5, a cross groove is formed in one end of the tire building drum 2, and a cross rod 10 is propped against the inside of the cross groove through a second cylinder 9, so that the stability of the tire building drum 2 during rotation is improved;
s6, during unloading, the movable rod 408 and the two clamping rods 407 are driven to move through the third air cylinder 403, so that the two clamping blocks 404 are in contact with the top and the top of one side of the tire, the two groups of clamping assemblies 4 clamp the periphery of the outer ring of the tire through the four clamping blocks 404 respectively, the two vertical rods 405 are driven to slide along the first electric sliding rail 12 to a position close to the supporting mechanism 11 through the cooperation of the movable sliding table 401 and the first electric sliding rail 12, the cross rod 10 is driven to leave the inside of the cross groove through the output end retraction of the second air cylinder 9, one end of the tire forming drum 2 is opened, the output shaft of the second driving motor 16 drives the screw sleeve 17 to rotate, the supporting plate 172 is driven to lift through the cooperation of the lifting screw 171, the tire can be dismounted, the tire is conveniently separated from the roller 201 smoothly through high-frequency micro vibration generated on the outer surface of the roller 201, and adhesion between the high-temperature tire and the roller 201 is avoided.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A one-time molding assembly for a radial tire, comprising: the tire building device comprises a mounting table, wherein a mounting mechanism is arranged at the top of the mounting table, a tire building drum is arranged between the mounting table and the mounting mechanism, and clamping assemblies are movably connected to two sides of the top of the mounting table;
the mounting mechanism comprises a mounting plate, a first air cylinder is fixedly connected to the top of the mounting plate, a transverse plate is fixedly connected to the output end of the first air cylinder in a sliding penetrating mode through the mounting plate, a first heating plate is fixedly connected to the two ends of the transverse plate, and a plurality of idler wheels are rotatably connected to the two sides of the bottom of the transverse plate through connecting brackets;
one end of the tire building drum is provided with a first driving motor, the other end of the tire building drum is provided with a second cylinder, both ends of the tire building drum are connected with transmission rods, the output end of the first driving motor is in transmission connection with one end of each transmission rod, the other end of the transmission rod is provided with a cross groove, the output end of the second cylinder is rotationally connected with the cross rod, the top end of the mounting table is provided with a bearing mechanism and a compression roller mechanism, and the bearing mechanism and the compression roller mechanism are respectively arranged corresponding to the second cylinder and the tire building drum;
the tire molding drum is characterized in that a rotating shaft is arranged in the tire molding drum, two ends of the rotating shaft are fixedly connected with a transmission rod, the outer wall of the rotating shaft is rotationally connected with a connecting piece, a mounting piece is fixedly connected to the connecting piece, the outer wall of the mounting piece penetrates through and is slidably connected with a limiting piece, one end of the limiting piece is fixedly connected with a touch block, the touch block is positioned in the mounting piece, the other end of the limiting piece is fixedly connected with a vibrating block, a reset spring is connected between the touch block and the mounting piece, the outer wall of the rotating shaft is fixedly connected with a plurality of extrusion blocks, the extrusion blocks can apply pressure to the touch block in the rotating process, and the inner wall of the tire molding drum is fixedly connected with a second heating plate;
the tyre forming drum comprises a roller, wherein both ends of the roller are fixedly connected with a transmission rod, air bags are arranged on both sides of the outer wall of the roller, sliding sleeves are slidably connected to the outer wall of the transmission rod close to both ends of the roller, extrusion pieces are arranged at the opposite ends of the two sliding sleeves, sliding pieces are fixedly connected to the outer wall of the sliding sleeves, second electric guide rails are slidably connected to the sliding pieces, the second electric guide rails are fixedly connected to the top of an installation table, the inner wall of the roller is fixedly connected with a second heating plate, air blowing holes are formed in the outer wall of the roller, and the air bags and the air blowing holes are communicated with an air pump;
the compression roller mechanism comprises a fifth cylinder, the fifth cylinder is fixedly connected to the bottom end of the mounting table, a telescopic rod of the fifth cylinder penetrates through the mounting table in a sliding mode and is fixedly connected with a fixing frame, support plates are fixedly connected to two sides of the top end of the fixing frame, support pieces are arranged on the top ends of the support plates, a compression spring is connected between the support pieces and the support plates, and a squeeze roller is rotationally connected between the two support pieces;
the utility model discloses a clamping device for a mobile terminal, including a mounting table, a clamping assembly, a clamping block and a clamping block.
2. The one-time molding assembly of a radial tire according to claim 1, wherein a stabilizing shaft sleeve is arranged on one side of the first driving motor, a fixing support is fixedly connected to the bottom of the stabilizing shaft sleeve, and the fixing support is fixedly connected to the top end of the mounting table.
3. The one-time molding assembly of a radial tire according to claim 1, wherein the second cylinder and the first driving motor are provided with mounting frames on outer walls thereof, and the mounting frames are fixedly connected to the top of the mounting table.
4. The one-time forming assembly of a radial tire according to claim 1, wherein the bearing mechanism comprises a second driving motor, the second driving motor is fixedly connected with the bottom end of the installation table, the output end of the second driving motor is fixedly connected with a screw sleeve, the screw sleeve penetrates through the installation table through a shaft sleeve, the internal thread of the screw sleeve is connected with a lifting screw, one end of the lifting screw is fixedly connected with the bottom of the bearing mechanism, the output shaft of the second driving motor is in transmission connection with the bottom end of the screw sleeve, and the other end of the lifting screw is fixedly connected with a bearing plate.
5. The one-time molding assembly of a radial tire according to claim 4, wherein guide rods are fixedly connected to two sides of the bottom of the support plate, the guide rods penetrate through the mounting table through the shaft sleeve, the support plate is in an arc-shaped arrangement, the top of the support plate is connected with an anti-slip pad, and the first heating plate is in an inclined arrangement.
6. A method of building a radial tire, employing a one-time building block for a radial tire as claimed in any one of claims 1 to 5, comprising the steps of:
s1, a first driving motor rotates to enable a roller and a rotating shaft to rotate together, a second heating plate heats to enable the surface temperature of the roller to rise, the rotating shaft rotates to enable an extrusion block to apply pressure to a touch block, and when the touch block is subjected to pressure, the roller is enabled to generate high-frequency vibration to discharge bubbles;
s2, after the winding of the winding roller, the inner layer of the tire bulges under the action of the air blowing holes on the winding roller, then the air bag is inflated and expanded, so that the inner layer of the tire on the air bag and the air bag are inflated together under the action of the steel ring, and then the extrusion piece extrudes the air bag through the second electric guide rail, so that the inner layer of the tire on the air bag wraps the bulged inner layer of the tire;
s3, the sliding table is moved along the first electric sliding rail to drive the vertical rods to move, the third air cylinder drives the movable rods and the two clamping rods to move, the tread of the tire is placed at the center of the tire forming drum to correspond to the inner layer of the tire, meanwhile, the inner layer of the tire continuously bulges under the action of the air blowing holes on the winding roller, and the air bag continuously extrudes under the action of the extrusion piece, so that the tread of the tire is combined with the inner layer of the tire;
s4, enabling the roller of the transverse plate to contact with the outer side wall of the tire through extension of the output end of the first air cylinder, enabling the tire forming drum to rotate through rotation of the first driving motor, enabling the tire to rotate, enabling the first heating plate to bake the joint of the tread and the inner ring of the tire, enabling rubber to be soft, and enabling the tread to be attached to the inner ring through attachment and rolling of the roller and the joint;
s5, forming a cross groove at one end of the tire building drum, and propping the cross rod in the cross groove through a second cylinder;
s6, when unloading, the movable rod and the two clamping rods are driven by the third air cylinder to move so that the two clamping blocks are in contact with the top and the bottom of one side of the tire, the two clamping assemblies respectively clamp the periphery of the outer ring of the tire through the four clamping blocks, the two vertical rods are driven to slide to a position close to the supporting mechanism along the first electric sliding rail through the cooperation of the movable sliding table and the first electric sliding rail, the cross rod is driven to leave the inside of the cross groove through the output end retraction of the second air cylinder, one end of the tire forming drum is opened, the output shaft of the second driving motor drives the threaded sleeve to rotate, and accordingly the supporting plate is driven to lift through the cooperation of the lifting screw rod, and the tire can be unloaded.
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| CN202311330082.1A CN117103744B (en) | 2023-10-16 | 2023-10-16 | One-step forming assembly and one-step forming method of radial tire |
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