CN110341221B

CN110341221B - Tire production process

Info

Publication number: CN110341221B
Application number: CN201910658036.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiangxi Yueda Tire Co ltd
Current assignee: Jiangxi Yueda Tire Co.,Ltd.
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2021-06-01
Anticipated expiration: 2039-07-20
Also published as: CN110341221A

Abstract

The invention relates to the field of tire production, in particular to a tire production process, which adopts a production device comprising a water tank, wherein a partition board is transversely and fixedly arranged on the inner wall of the water tank close to the middle part, a filtering mechanism is longitudinally and fixedly arranged on the inner wall of the lower side of the water tank and the lower surface of the partition board close to the middle part, a placing mechanism is fixedly arranged on the upper surface of the partition board close to the middle part, a round hole is formed in the position, corresponding to the placing mechanism, of the upper side wall of the water tank, and first brushes are fixedly arranged on the upper surfaces of; according to the tire cleaning machine, the cleaning parts are arranged on the inner wall of the circular cover, the circular cover blocks water sprayed during cleaning, splashing of water is avoided, meanwhile, water resources can be recycled by the water tank and recycled after being filtered, energy is saved, the inner wall and the outer surface of a tire are cleaned simultaneously by the first spray head, the second spray head and the cleaning mechanism, cleaning efficiency is high, the tire can be dried, and the tire cleaning machine is high in practicability.

Description

Tire production process

Technical Field

The invention relates to the field of tire production, in particular to a tire production process.

Background

A tire is a ground-rolling annular elastic rubber product mounted on various vehicles or machines, and is generally mounted on a metal rim, and is capable of supporting a vehicle body, absorbing external impact, achieving contact with a road surface, and ensuring the driving performance of the vehicle, and the tire is often used under complicated and severe conditions, and is subjected to various deformations, loads, forces, and high and low temperature effects during driving, and thus must have high bearing performance, traction performance, and cushioning performance, and at the same time, must have high wear resistance and flexibility resistance, and low rolling resistance and heat generation.

At present, with people's standard of living improvement, the holding capacity of car is increasing fast, wherein the tire is as the important spare part that the car went, also developing fast, but the tire can be at the dust of being infected with because of various reasons in process of production, traditional tire cleaning device is when wasing, water splash is all around, can't carry out recycle to the water resource, the surface of tire and inner wall need different equipment to wash simultaneously, need consume a large amount of time and manpower, manufacturing cost and equipment cost have been improved greatly, for this reason, a tire production technology is proposed in order to solve above-mentioned problem.

Disclosure of Invention

The invention provides a tire production process aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a process for the production of a tyre, the process comprising the steps of:

s1: burdening and banburying: firstly, selecting raw materials comprising carbon black and natural rubber, placing the carbon black and the natural rubber in a reaction vessel, then adding 10-20% of dilute sulfuric acid into the reaction vessel for acidification, and finally adjusting the temperature of the reaction vessel to maintain the temperature of the reaction vessel at 320-350 ℃;

s2: preparing a rubber part: on the basis of S1, firstly, extruding the raw materials in the reaction container, then, controlling the temperature during extrusion to ensure that the extrusion temperature is maintained at 380-390 ℃ for rolling, then, putting the rolled raw materials into a forming machine for forming to obtain a formed tire bead, and finally cutting the formed tire bead into cord fabric;

s3: semi-finished product treatment: on the basis of S2, firstly, performing tread pressing treatment on the molded tire bead, controlling the temperature of the molded tire bead to be maintained at 400-410 ℃ in the tread pressing treatment process, then performing tread side treatment on the molded tire bead, controlling the temperature of the molded tire bead to be maintained at 390-400 ℃ in the tread side treatment process, then performing rubber pad pressing treatment, controlling the temperature of the molded tire bead to be within 430-440 ℃, and finally performing rubber core pressing treatment, and controlling the temperature of the molded tire bead to be 380-390 ℃;

s4: tire molding process: on the basis of S3, firstly, putting the product obtained in S2 into a reaction vessel, then putting an auxiliary agent into the reaction vessel, finally, adjusting the temperature of the reaction vessel to be between 270 ℃ and 290 ℃, keeping the temperature for 40 to 60 minutes, then assembling, and finally, controlling the temperature to be between 220 ℃ and 250 ℃ for vulcanization treatment to obtain a molded tire;

s5: and (3) tire reprocessing: putting the molded tire obtained in the step S4 into a production device for reprocessing;

the production device comprises a water tank, a partition board is transversely and fixedly arranged on the inner wall of the water tank close to the middle part, a filtering mechanism is longitudinally and fixedly arranged on the inner wall of the lower side of the water tank and the lower surface of the partition board close to the middle part, a placing mechanism is fixedly arranged on the upper surface of the partition board close to the middle part, a round hole is formed in the upper side wall of the water tank corresponding to the placing mechanism, first hairbrushes are fixedly arranged on the upper surfaces of the partition boards on the left side and the right side of the placing mechanism, a water leakage hole is formed in the partition board close to the left side, stand columns are fixedly arranged on the upper surface of the water tank close to four corners, a transverse plate is fixedly;

the lower surface of the cylinder is fixedly provided with a round cover, the upper surface of the round cover is fixedly provided with a distribution box, the upper surface of the distribution box is fixedly provided with a motor, an output shaft of the motor is fixedly provided with a rotating shaft, the rotating shaft penetrates through the distribution box and is inserted into the round cover, a first cross rod is fixedly arranged on the rotating shaft close to the inner wall of the upper side of the round cover, a first spray head is fixedly arranged on the rotating shaft close to the lower side of the outer surface, a channel is arranged in the rotating shaft and is respectively communicated with the distribution box and the first spray head, the left side and the right side of the distribution box are both fixedly connected with a guide pipe, the guide pipe is both fixedly connected with a second spray head, the second spray heads are fixedly arranged on the inner walls of the left side and the right side of the round cover, the positions of the inner walls of the left side, and the right side of the upper surface of the transverse plate is fixedly provided with a water supply mechanism, and the blowing mechanism and the water supply mechanism are communicated with the distribution box.

Specifically, filtering mechanism includes filter screen and active carbon adsorption layer, the equal vertical fixed mounting in water tank downside inner wall and baffle lower surface of filter screen and active carbon adsorption layer are close to the middle part position.

Specifically, the placing mechanism comprises a rotary column and a second cross rod, the rotary column is fixedly installed at the middle position of the upper surface of the partition plate, and the second cross rod is evenly and fixedly installed on the outer surface of the rotary column close to the upper surface.

Specifically, be the symmetry fixed mounting on the second horizontal pole and have four sets of stop gear, stop gear includes sliding sleeve, limiting plate, round pin axle and pinhole, the second horizontal pole surface is located to the sliding sleeve movable sleeve, limiting plate fixed mounting is in the upper surface of sliding sleeve, the side fixed mounting of sliding sleeve is in the round pin axle, and has seted up the pinhole with the corresponding position of round pin axle on the second horizontal pole, the round pin axle is inserted and is located the pinhole.

Specifically, wiper mechanism includes removal bolt, rotary disk and second brush, removal bolt threaded mounting is on the lateral wall about the dome, the equal fixed mounting in the side that the removal bolt is faced has the rotary disk, the equal fixed mounting in the side that the rotary disk is faced has the second brush.

Specifically, the blowing mechanism comprises a fan, a heating box, a heating pipe and an air outlet pipe, the fan is fixedly installed on the upper surface of the transverse plate, the air outlet of the fan is communicated with the heating box, the heating pipe is fixedly installed in the heating box, and the air outlet of the heating box is communicated with the distribution box through the air outlet pipe.

Specifically, send water mechanism to include water pump, inlet tube and outlet pipe, water pump fixed mounting is in the upper surface of diaphragm, the water inlet of water pump is linked together with the water tank through the inlet tube, the delivery port of water pump communicates with the distributor box through the outlet pipe.

Specifically, the upper surface of diaphragm is seted up and is supplied the current rectangle opening of distributor box, and goes out the tuber pipe and install in the rectangle opening with the outlet pipe.

Specifically, the air outlet pipe and the water outlet pipe are both provided with check valves.

The invention has the beneficial effects that:

(1) according to the tire production process, the round cover is arranged on the outer surface of the tire, the first spray head, the second spray head, the cleaning mechanism and other parts are arranged inside the round cover, the round cover blocks water sprayed during cleaning, splashing of water is avoided, the working environment is tidier, the cleaned water flows back into the water tank through the round holes and the water leakage holes, and the cleaned water is purified through the filter screen and the activated carbon adsorption layer in the water tank, so that water resources can be recycled, and energy is saved.

(2) According to the tire production process, the inner wall of the first spray head is cleaned, and the outer surface of the tire is cleaned through the second spray head, the cleaning mechanism and the first hairbrush, so that the first spray head, the second spray head, the cleaning mechanism and the first hairbrush are carried out synchronously, and the cleaning efficiency is higher.

(3) Through will wasing spare part setting on the dome inner wall, through sending water mechanism with the suction distributor box, and make water spout through first shower nozzle in second shower nozzle and the pivot on the distributor box makes water pass through the pipe, carry out water spray cleaning, wash the completion back, air supply mechanism blows in hot-blast distributor box, the distributor box makes hot-blast first shower nozzle blowout in second shower nozzle and the pivot on through the pipe, dry the tire, increase the stoving function to the tire, and wash and dry sharing distributor box, first shower nozzle and second shower nozzle, reduce equipment cost, therefore, the clothes hanger is strong in practicability.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is a schematic structural view of a tire manufacturing process provided by the present invention using a manufacturing apparatus;

FIG. 3 is a cross-sectional view of a tire manufacturing process provided by the present invention using a manufacturing apparatus;

FIG. 4 is a top view of a placement mechanism for a tire manufacturing process provided by the manufacturing apparatus of the present invention;

FIG. 5 is a cross-sectional view of a tire manufacturing process provided by the present invention using a manufacturing apparatus;

FIG. 6 is a sectional view of a heating chamber of a tire manufacturing process provided by the manufacturing apparatus of the present invention.

In the figure: 1. a water tank; 2. a partition plate; 3. a filtering mechanism; 301. filtering with a screen; 302. an activated carbon adsorption layer; 4. a placement mechanism; 401. a spin column; 402. a second cross bar; 5. a circular hole; 6. a first brush; 7. a water leakage hole; 8. a column; 9. a transverse plate; 10. a cylinder; 11. a circular cover; 12. a distribution box; 13. a motor; 14. a rotating shaft; 15. a first cross bar; 16. a first nozzle; 17. a channel; 18. a conduit; 19. a second nozzle; 20. a cleaning mechanism; 201. moving the bolt; 202. rotating the disc; 203. a second brush; 21. a blowing mechanism; 211. a fan; 212. a heating box; 213. heating a tube; 214. an air outlet pipe; 22. a water delivery mechanism; 221. a water pump; 222. a water inlet pipe; 223. a water outlet pipe; 23. a limiting mechanism; 231. a sliding sleeve; 232. a limiting plate; 233. a pin shaft; 234. a pin hole; 24. a rectangular opening; 25. a check valve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, a tire manufacturing process according to the present invention comprises the steps of:

the production device adopted by the invention comprises a water tank 1, a partition plate 2 is transversely and fixedly arranged on the inner wall of the water tank 1 close to the middle position, a filtering mechanism 3 is longitudinally and fixedly arranged on the inner wall of the lower side of the water tank 1 and the lower surface of the partition plate 2 close to the middle position, a placing mechanism 4 is fixedly arranged on the upper surface of the partition plate 2 close to the middle position, a round hole 5 is arranged on the upper side wall of the water tank 1 corresponding to the placing mechanism 4, first brushes 6 are fixedly arranged on the upper surfaces of the partition plates 2 on the left side and the right side of the placing mechanism 4, a water leakage hole 7 is arranged on the partition plate 2 close to the left side, upright posts 8 are fixedly arranged on the upper surface of the water tank 1 close to four corners, a transverse plate 9 is fixedly arranged between the upper surfaces of the upright posts 8, cylinders, the lower surface of the cylinder 10 is fixedly provided with a circular cover 11, the upper surface of the circular cover 11 is fixedly provided with a distribution box 12, the upper surface of the distribution box 12 is fixedly provided with a motor 13, the motor 13 is a servo motor, an output shaft of the motor 13 is fixedly provided with a rotating shaft 14, the upper surface of the rotating shaft 14 is hermetically welded with the lower surface of the output shaft of the motor 13, the rotating shaft 14 penetrates through the distribution box 12 and is inserted into the circular cover 11, a first cross rod 15 is fixedly arranged on the rotating shaft 14 close to the upper inner wall of the circular cover 11, a first spray head 16 is fixedly arranged on the rotating shaft 14 close to the lower side of the outer surface, a channel 17 is arranged in the rotating shaft 14, the channel 17 is respectively communicated with the distribution box 12 and the first spray head 16, the left side and the right side of the distribution box 12 are both fixedly connected with guide pipes 18, the guide pipes 18 are both fixedly connected with second spray heads 19, the utility model discloses a tire cleaning machine, including round cover 11, water tank 1, water tank 19, distributor box 12, water tank 11, water tank, distribution box 12, water tank, water.

Specifically, filtering mechanism 3 includes filter screen 301 and active carbon adsorption layer 302, filter screen 301 and the equal vertical fixed mounting of active carbon adsorption layer 302 are close to the middle part position in 1 downside inner wall of water tank and 2 lower surfaces of baffle, and filter screen 301 can filter the great impurity of granule, and active carbon adsorption layer 302 can adsorb the aquatic oil stain, makes the filter effect good, the recycling of being convenient for.

Specifically, placing mechanism 4 includes column 401 and second horizontal pole 402, column 401 fixed mounting is in the upper surface middle part position of baffle 2, column 401's surface is close to the even fixed mounting in upper surface position and has second horizontal pole 402, and second horizontal pole 402 is convenient for the tire and is placed, and the water after the washing of being convenient for simultaneously flows downwards, increases the area of contact of tire lower surface and first brush 6, and the cleaning performance is good.

Specifically, be four sets of stop gear 23 of symmetry fixed mounting on the second horizontal pole 402, stop gear 23 includes sliding sleeve 231, limiting plate 232, round pin axle 233 and pinhole 234, the outer surface of second horizontal pole 402 is located to sliding sleeve 231 movable sleeve, limiting plate 232 fixed mounting is in the upper surface of sliding sleeve 231, the side fixed mounting of sliding sleeve 231 is in round pin axle 233, and has seted up pinhole 234 with round pin axle 233 corresponding position on the second horizontal pole 402, round pin axle 233 inserts and locates in pinhole 234, and round pin axle 233 inserts and locates pinhole 234 and can be fixed in second horizontal pole 402 with sliding sleeve 231, and limiting plate 232 carries out spacing fixedly from four sides to the tire, and pinhole 234 carries out the trompil according to the specification and size of tire commonly used.

Specifically, wiper mechanism 20 is including removing bolt 201, rotary disk 202 and second brush 203, remove bolt 201 threaded mounting on the lateral wall about the dome 11, remove the equal fixed mounting in the side that bolt 201 faced mutually and have rotary disk 202, the equal fixed mounting in the side that rotary disk 202 faced mutually has second brush 203, remove bolt 201 and remove about on the dome 11, drive the distance between second brush 203 and the tire, be convenient for clear up the tire, make the cleaning performance good.

Specifically, blow mechanism 21 and include fan 211, heating cabinet 212, heating pipe 213 and play tuber pipe 214, fan 211 fixed mounting is in diaphragm 9 upper surface, and fan 211's air outlet and heating cabinet 212 are linked together, fixed mounting has heating pipe 213 in the heating cabinet 212, the air outlet of heating cabinet 212 is linked together through going out tuber pipe 214 and distributor box 12, and fan 211 blows in the tuber pipe 214 with the heat that produces in the heating cabinet 212 in to go into and go out distributor box 12 through going out tuber pipe 214, dry the operation, it makes for soft heat-resisting material to go out tuber pipe 214.

Specifically, the water supply mechanism 22 includes a water pump 221, a water inlet pipe 222 and a water outlet pipe 223, the water pump 221 is fixedly mounted on the upper surface of the horizontal plate 9, a water inlet of the water pump 221 is communicated with the water tank 1 through the water inlet pipe 222, a water outlet of the water pump 221 is communicated with the distribution box 12 through the water outlet pipe 223, the water pump 221 pumps filtered water into the water outlet pipe 223 through the water inlet pipe 222, and then flows into the distribution box 12 through the water outlet pipe 223, and the water outlet pipe 223 is a rubber hose.

Specifically, the upper surface of the transverse plate 9 is provided with a rectangular opening 24 for the distribution box 12 to pass through, the air outlet pipe 214 and the water outlet pipe 223 are installed in the rectangular opening 24, the rectangular opening 24 is convenient for the motor 13 and the distribution box 12 to move upwards, and meanwhile, the air outlet pipe 214 and the water outlet pipe 223 are convenient to move along with the distribution box 12.

Specifically, all be provided with the check valve 25 on tuber pipe 214 and the outlet pipe 223, rivers flow into tuber pipe 214 when the check valve 25 avoids wasing, perhaps in hot-blast blowing outlet pipe 223 when avoiding drying, it is safer to use.

When the tire cleaning device is used, according to the specification and the size of a tire, the sliding sleeve 231 moves on the second cross bar 402, the pin shaft 233 is inserted into the corresponding pin hole 234, the pin shaft 233 is inserted into the pin hole 234 to fix the sliding sleeve 231 on the second cross bar 402, the limiting plate 232 limits and fixes the tire from four sides, the moving bolt 201 in the cleaning mechanism 20 moves left and right on the circular cover 11 to drive the second brush 203 to move left and right, so that the second brush 203 contacts with the tire, the circular cover 11 is driven by the cylinder 10 to move downwards, the upper surface of the tire is pressed and fixed by the first cross bar 15, the rotating shaft 14 is driven by the motor 13 to rotate, the rotating shaft 14 drives the first cross bar 15 to rotate, the second cross bar 402 can rotate by the rotating column 401, so that the tire rotates, the first brush 6 and the second brush 203 clean the outer surface of the tire, and the circular cover 11 is covered on the outer surface of the tire, the water pump 221 sucks filtered water into the water outlet pipe 223 through the water inlet pipe 222, and then flows into the distribution box 12 through the water outlet pipe 223, the water in the distribution box 12 flows into the first spray head 16 through the channel 17 on the inner wall of the rotating shaft 14 and is sprayed out, the inner wall of the tire is cleaned, meanwhile, the water in the distribution box 12 flows into the second spray head 19 through the conduit 18, the water is sprayed out through the second spray head 19 to wash the outer surface of the tire, the cleaned water flows back into the water tank 1 through the circular hole 5 and the water leakage hole 7, then the cleaned water is purified through the filter screen 301 and the activated carbon adsorption layer 302 in the water tank 1, then the heat generated in the heating box 212 is blown into the air outlet pipe 214 through the fan 211, the heat enters and exits the distribution box 12 through the air outlet pipe 214, the hot air in the distribution box 12 is blown into the first spray head 16 through the channel 17 on the inner wall of the rotating shaft 14 to dry the inner wall of the tire, meanwhile, the outer surface of the tire is dried by the spraying of the second spray head 19.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A process for producing a tire, characterized by: the process comprises the following steps:

the adopted production device comprises a water tank (1), a clapboard (2) is transversely and fixedly arranged on the inner wall of the water tank (1) near the middle part, a filtering mechanism (3) is longitudinally and fixedly arranged on the inner wall of the lower side of the water tank (1) and the lower surface of the clapboard (2) close to the middle part, a placing mechanism (4) is fixedly arranged on the upper surface of the clapboard (2) close to the middle part, a round hole (5) is arranged on the upper side wall of the water tank (1) corresponding to the placing mechanism (4), the upper surfaces of the clapboards (2) at the left side and the right side of the placing mechanism (4) are fixedly provided with first brushes (6), a water leakage hole (7) is arranged on the left side of the clapboard (2), upright posts (8) are fixedly arranged on the upper surface of the water tank (1) near four corners, a transverse plate (9) is fixedly arranged between the upper surfaces of the upright posts (8), and cylinders (10) are fixedly arranged on the transverse plate (9) close to the left side and the right side;

the lower fixed surface of cylinder (10) installs circle cover (11), the last fixed surface of circle cover (11) installs distributor box (12), the last fixed surface of distributor box (12) installs motor (13), fixed mounting has pivot (14) on the output shaft of motor (13), pivot (14) run through distributor box (12) and insert and locate in circle cover (11), the fixed position that is close to circle cover (11) upside inner wall on pivot (14) installs first horizontal pole (15), the fixed position that is close to the surface downside that is close to of pivot (14) installs first shower nozzle (16), seted up passageway (17) in pivot (14), and passageway (17) are linked together with distributor box (12) and first shower nozzle (16) respectively, the equal fixedly connected with pipe (18) in the left and right sides of distributor box (12), the equal fixedly connected with second shower nozzle (19) in pipe (18), second shower nozzle (19) fixed mounting is on the left and right sides inner wall of circle cover (11), the equal fixed mounting in middle part position that is close to of circle cover (11) left and right sides inner wall has wiper mechanism (20), the upper surface left side fixed mounting of diaphragm (9) has blowing mechanism (21), the upper surface right side fixed mounting of diaphragm (9) has water feeding mechanism (22), blowing mechanism (21) and water feeding mechanism (22) all are linked together with distributor box (12).

2. A process for the production of tyres as claimed in claim 1, wherein: filtering mechanism (3) include filter screen (301) and active carbon adsorption layer (302), equal vertical fixed mounting in water tank (1) downside inner wall and baffle (2) lower surface are close to the middle part position in filter screen (301) and active carbon adsorption layer (302).

3. A process for the production of tyres as claimed in claim 1, wherein: place mechanism (4) including column spinner (401) and second horizontal pole (402), column spinner (401) fixed mounting is in the upper surface middle part position of baffle (2), the surface of column spinner (401) is close to the even fixed mounting in upper surface position has second horizontal pole (402).

4. A process for the production of tyres as claimed in claim 3, wherein: be symmetry fixed mounting and have four sets of stop gear (23) on second horizontal pole (402), stop gear (23) are including sliding sleeve (231), limiting plate (232), round pin axle (233) and pinhole (234), second horizontal pole (402) surface is located to sliding sleeve (231) movable sleeve, limiting plate (232) fixed mounting is in the upper surface of sliding sleeve (231), the side fixed mounting of sliding sleeve (231) is in round pin axle (233), and has seted up pinhole (234) with round pin axle (233) corresponding position on second horizontal pole (402), round pin axle (233) are inserted and are located in pinhole (234).

5. A process for the production of tyres as claimed in claim 1, wherein: the cleaning mechanism (20) comprises a moving bolt (201), a rotating disk (202) and a second hairbrush (203), wherein the moving bolt (201) is installed on the left side wall and the right side wall of the circular cover (11) in a threaded mode, the rotating disk (202) is fixedly installed on the opposite side faces of the moving bolt (201), and the second hairbrush (203) is fixedly installed on the opposite side faces of the rotating disk (202).

6. A process for the production of tyres as claimed in claim 1, wherein: blow mechanism (21) and include fan (211), heating cabinet (212), heating pipe (213) and play tuber pipe (214), fan (211) fixed mounting is in diaphragm (9) upper surface, and the air outlet of fan (211) is linked together with heating cabinet (212), fixed mounting has heating pipe (213) in heating cabinet (212), the air outlet of heating cabinet (212) is linked together through going out tuber pipe (214) and distributor box (12).

7. A process for the production of tyres as claimed in claim 1, wherein: the water supply mechanism (22) comprises a water pump (221), a water inlet pipe (222) and a water outlet pipe (223), the water pump (221) is fixedly installed on the upper surface of the transverse plate (9), a water inlet of the water pump (221) is communicated with the water tank (1) through the water inlet pipe (222), and a water outlet of the water pump (221) is communicated with the distribution box (12) through the water outlet pipe (223).

8. A process for the production of tyres as claimed in claim 1, wherein: the upper surface of the transverse plate (9) is provided with a rectangular opening (24) for the distribution box (12) to pass through, and the air outlet pipe (214) and the water outlet pipe (223) are arranged in the rectangular opening (24).

9. A process for the production of tyres as claimed in claim 6, wherein: and check valves (25) are arranged on the air outlet pipe (214) and the water outlet pipe (223).