Tire vulcanization temperature measurement lead method

Abstract

The invention relates to a tire vulcanization temperature measurement lead method. A vulcanizing machine comprises an upper mold beam for fixing an upper mold, a lower mold and a movable block; the method comprises the following steps that firstly, a rectangular key groove is formed in one movable block between two movable blocks; 2, during temperature measurement, arranging a plurality of temperature measurement lines with one ends buried in the tire blank into strands in a separated state of the movable block, and enabling the strands to pass through the rectangular key groove; 3, blocking a rectangular key groove gap by using the unvulcanized micelles; fourthly, the movable block is shrunk in place; 5, tying and fixing a temperature measuring line which is led out to a fixing bolt outside the lower die and then passing through an upper die beam hollow pipe; 6, closing the mold and tensioning the temperature measuring line; and 7, connecting the led-out temperature measuring wire with a recorder to finish wire leading. The method has the characteristics of unique conception, convenience in operation, time saving and labor saving.

Description

Technical field:

[0001] The invention belongs to the technical field of tire manufacturing, and particularly relates to a tire vulcanization temperature measurement lead method, which can complete the vulcanization temperature measurement and also can continue the temperature measurement for post-vulcanization. Background technology:

[0002] The traditional tire vulcanization temperature measurement test is to open a temperature measurement hole at the position of the active block pattern for the temperature measurement line to pass through. During the tire vulcanization process, the temperature measurement hole is easily blocked by the vulcanized rubber due to the high temperature and high internal pressure. When the tire is demolded after vulcanization, the temperature measurement line cannot be pulled out of the temperature measurement hole and can only be cut off. The post-vulcanization temperature measurement test cannot be continued, resulting in only half of the temperature measurement work being completed, which also affects the temperature measurement results.

[0003] How to provide a more reasonable temperature measurement lead method becomes the research object of the present invention. Summary of the invention:

[0004] The purpose of the invention is to design a tire vulcanization temperature measuring lead wire method, in which grooves are opened on the edges of adjacent active blocks to facilitate the passing and removal of the temperature measuring wire.

[0005] The technical solution of the present invention is implemented as follows: a tire vulcanization temperature measurement lead method, the vulcanizer includes an upper mold beam for fixing the upper mold, a lower mold and an active block; it is characterized in that it has the following steps:

[0006] 1. A rectangular keyway is provided on the edge of a movable block between two movable blocks, and a blocking key is provided to close the rectangular keyway. The blocking key is fixed to the bottom of the rectangular keyway by screws. When temperature measurement is required, the blocking key is removed;

[0007] 2. When measuring temperature, the flexible block is pulled to the fixed position, and when the flexible block is in the separated state, one end of the plurality of temperature measuring wires is buried in the tire blank, and then the temperature measuring wires are arranged into strands and led out through the rectangular keyway;

[0008] 3. Use unvulcanized rubber balls to pad under the rectangular keyway and between the two active blocks at the rectangular keyway, and bury the stranded temperature measuring wire into the rectangular keyway;

[0009] 4. The flexible block shrinks into place;

[0010] 5. The stranded temperature measuring wire leading outward is fastened to the fixing bolt set on the outer frame of the lower mold, and then passes through the hollow tube preset on the upper mold beam;

[0011] 6. During the mold closing process, the upper mold beam descends to the top of the lower mold and tightens the temperature measuring line of the vulcanizer;

[0012] 7. The lead-out end of the temperature measuring wire is electrically connected to the recorder to complete the lead-in.

[0013] The hollow tube is threaded with wires, and a pull rod is preset in the hollow tube. A wire hook is provided at the lower end of the pull rod. The end of the temperature measuring wire is fixed by the wire hook, and is pulled out of the hollow tube together, and is gradually tightened outward as the upper mold beam descends.

[0014] A fixing bolt for fixing the temperature measuring wire is arranged at a position of the lower mold outer frame corresponding to the rectangular keyway, and the temperature measuring wire is then led out from the fixing bolt through the hollow tube.

[0015] The outer port of the hollow tube is provided with a special hollow nut, and the gap between the temperature measuring line and the hollow nut is filled with temperature-resistant flexible fiber.

[0016] The present invention opens a standard keyway at the edge of the adjacent active block and configures a blocking key, so that the active block can be kept intact during non-temperature measurement operations; during temperature measurement, the blocking key can be removed to allow the temperature measuring wire to pass through, and the gap can be filled with unvulcanized rubber to block it; after vulcanization, the temperature measuring wire can be completely removed from the rectangular keyway, and the post-vulcanization temperature measurement test can be carried out continuously. The method has the characteristics of unique conception, convenient operation, time saving and labor saving. Description of the drawings:

[0017] The present invention will be further described below in conjunction with specific illustrations:

[0018] Figure 1 Schematic diagram of adjacent active blocks

[0019] Figure 2 for Figure 1 A partial enlarged schematic diagram

[0020] Figure 3 A partial enlarged schematic diagram of the temperature measurement line of adjacent active blocks

[0021] Figure 4 Schematic diagram of the upper and lower molds of the vulcanizer separated

[0022] Figure 5 Schematic diagram of the mold closing state of the vulcanizer

[0023] in

[0024] 1—upper die; 2—lower die; 3—active block; 31—rectangular keyway; 32—blocking key; 33—glue;

[0025] 4—upper die beam; 41—hollow tube; 42—pull rod; 43—wire hook; 44—hollow nut; 45—flexible fiber; 5—lower die frame; 51—fixing bolt; 6—temperature measuring line; Specific implementation method:

[0026] Reference Figures 1 to 5The general structure of the vulcanizer includes an upper mold 1, a lower mold 2, and an upper mold beam 4 for hoisting the upper mold and an active block 3 arranged on the lower mold. The upper mold 1 is driven by the lifting upper mold beam 4 to realize the action of closing and separating the molds. In order to realize the non-destructive disassembly of the temperature measuring line, a rectangular keyway 31 is opened on the edge of one of the adjacent active blocks 3, and a blocking key 32 is configured for blocking when not measuring temperature, so as to maintain the integrity of the active block 3. The fixed blocking button 32 can be directly locked with screws. In addition, a fixing bolt 51 is arranged on the lower mold outer frame 5 to fasten the temperature measuring line; a hollow tube 41 pointing to the fixing bolt 51 is also arranged on the upper crossbeam 4 to protectively lead out the temperature measuring line.

[0027] The tire vulcanization temperature measurement lead method has the following steps:

[0028] 1. Remove the blocking key 32 on the movable block;

[0029] 2. Pull the flexible block to the fixed position, and when the flexible block is in the separated state, bury one end of the plurality of temperature measuring wires 6 into the tire blank, and then arrange the temperature measuring wires 6 into strands, and pass through the rectangular key groove 31 to lead outward;

[0030] 3. Use the unvulcanized rubber ball 33 to pad under the rectangular keyway 31 and between the two active blocks at the rectangular keyway, and bury the stranded temperature measuring wire into the rectangular keyway 31; it is not excluded to wrap the unvulcanized rubber ball outside the temperature measuring wire bundle and then place it in the rectangular keyway 31;

[0031] Fourth, the flexible block shrinks to its proper position, extruding the uncured rubber mass 33 and sealing the gap between the temperature measuring wire harness and the rectangular keyway;

[0032] 5. The stranded temperature measuring wire 6 led outward is fastened to the fixing bolt 51 set on the lower mold outer frame, and then passes through the hollow tube 41 preset on the upper mold beam, which protects the temperature measuring wire and avoids scratches when pulling; more specifically, the lower mold outer frame 5 is provided with a fixing bolt 51 at the position corresponding to the rectangular key groove 32, and the temperature measuring wire 6 is then led out from the fixing bolt 51 through the hollow tube 41, and the cable inside the machine is the shortest.

[0033] In order to facilitate the threading of the wire through the hollow tube 41, a pull rod 42 is preset in the hollow tube 41, and a wire hook 43 is provided at the lower end of the pull rod 42. The end of the temperature measuring wire 6 is fixed by the wire hook 43, and is pulled out of the hollow tube 41 together, and gradually tightened outward as the upper mold beam 4 descends. In addition, a special hollow nut 44 is configured at the outer end of the hollow tube 41, and the gap between the temperature measuring wire 6 and the hollow nut 44 is filled with temperature-resistant flexible fiber 45, which plays a role in heat insulation and pressure bearing, and can also protect the temperature measuring wire 6 from contacting the end of the hollow tube 41 and being damaged.

[0034] 6. During the mold closing process, the upper mold beam 4 is lowered to the top of the lower mold 2, and the temperature measuring wire 6 of the vulcanizer is tightened; that is, the temperature measuring wire 6 is pulled out of the vulcanizer to keep the inside of the machine straight without leaving any excess to avoid cable aging;

[0035] 7. The lead-out end of the temperature measuring wire is electrically connected to the recorder to complete the lead-in.

[0036] After vulcanization is completed and the temperature measurement is finished, the temperature measuring line 6 is temporarily disconnected from the temperature measuring instrument, the temperature measuring hollow nut 44 is removed and the flexible fiber 45 is taken out, and the temperature measuring line 6 is replayed from the upper crossbeam hollow tube 41. The upper crossbeam 4 is moved to the rear, and the flexible block 3 is raised. The temperature measuring line 6 and the vulcanized rubber mass are pulled out together from the rectangular keyway 31 of the flexible block by hand, and the temperature measuring line 6 is arranged and placed on the sidewall of the tire. The manipulator moves the tire out of the vulcanizer together and places the tire on the ground. The temperature measuring line 6 is reconnected to the temperature measuring instrument, and the post-vulcanization temperature measurement operation is continued. The flexible block 3 has a grooved edge, which is easy to disassemble without the trouble of plugging holes, and the temperature measuring line 6 does not need to be cut and reconnected, saving work time.

Claims

1. A tire vulcanization temperature measurement lead method, the vulcanizer includes an upper mold beam for fixing the upper mold, a lower mold and an active block; characterized in that: The steps are as follows:

1. A rectangular keyway is provided on the edge of a movable block between two movable blocks, and a blocking key is provided to close the rectangular keyway. The blocking key is fixed to the bottom of the rectangular keyway by screws. When temperature measurement is required, the blocking key is removed; 2. When measuring temperature, the flexible block is pulled to the fixed position, and when the flexible block is in the separated state, one end of the plurality of temperature measuring wires is buried in the tire blank, and then the temperature measuring wires are arranged into strands and led out through the rectangular keyway; 3. Use unvulcanized rubber balls to pad under the rectangular keyway and between the two active blocks at the rectangular keyway, and bury the stranded temperature measuring wire into the rectangular keyway; 4. The flexible block shrinks into place; 5. The stranded temperature measuring wire leading outward is fastened to the fixing bolt set on the outer frame of the lower mold, and then passes through the hollow tube preset on the upper mold beam; 6. During the mold closing process, the upper mold beam descends to the top of the lower mold and tightens the temperature measuring line of the vulcanizer; 7. The lead-out end of the temperature measuring wire is electrically connected to the recorder to complete the lead-in.

2. A tire vulcanization temperature measurement lead wire method according to claim 1, characterized in that: The wire is threaded through the hollow tube, and a pull rod is preset in the hollow tube. A wire hook is provided at the lower end of the pull rod. The end of the temperature measuring wire is fixed with the wire hook, and pulled out of the hollow tube together, and gradually tightened outward as the upper mold beam descends.

3. A tire vulcanization temperature measurement lead wire method according to claim 1, characterized in that: A fixing bolt for fixing the temperature measuring wire is arranged at a position of the lower mold outer frame corresponding to the rectangular keyway, and the temperature measuring wire is then led out from the fixing bolt through the hollow tube.

4. A tire vulcanization temperature measurement lead wire method according to claim 1 or 3, characterized in that: The outer port of the hollow tube is provided with a special hollow nut, and the gap between the temperature measuring line and the hollow nut is filled with temperature-resistant flexible fiber.

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