Universal puncture device for extrusion line

Abstract

The invention provides an extrusion line universal puncturing device, and relates to the technical field of tire processing, the extrusion line universal puncturing device comprises a base and supports, the two supports are arranged on the two sides of the upper portion of the base respectively, I-shaped sliding blocks are movably arranged on the inner sides of the two supports, and the I-shaped sliding blocks are driven to move through thread parts; front grooves are formed in the front ends of the two groups of brackets; the first two-way thread part drives the pricking needle base to move, the relative position between the pricking needles on the two sides is changed, it is guaranteed that pricking can be conducted according to the process spacing requirement, the two sets of supporting wheels are synchronously driven to move through the second two-way thread part, so that the spacing of the grooves in the two sides is matched with the pricking needles on the two sides, and the I-shaped sliding block is driven to move through the thread part; the height of the pricking needle is changed, the pricking needle is matched with the supporting wheel for supporting to puncture the supporting rubber, gas can be discharged through a hole of the supporting rubber and a cord fabric layer during forming, the device is simple and easy to operate, and the problem of tire blank bubbles of the run-flat tire can be solved after puncturing.

Description

Technical Field

[0001] The invention relates to the technical field of tire processing, and in particular to a universal puncture device for extrusion lines. Background Art

[0002] The production of run-flat tires by a one-shot molding machine refers to the process of using a one-shot molding process to simultaneously mold the tire core and surface layer in one mold through a special molding machine equipment to produce run-flat tires. Even in the case of insufficient air pressure or puncture, this type of tire can ensure that the vehicle continues to travel at a certain speed for a safe distance, providing a higher level of safety for the driver. Compared with the traditional two-shot molding process, the one-shot molding process has higher production efficiency, production quality, economy and environmental protection, can reduce problems such as thermal cracks, curling and bubbles, and improve the wear resistance and explosion resistance of the tire.

[0003] In the prior art, when a run-flat tire is produced by a one-step forming machine, due to the shape of the one-step forming drum (such as Figure 5 ), because there is a groove in the middle, the gas between the supporting rubber and the inner liner is not easy to be discharged during molding, resulting in a lot of bubbles in the produced tires, great quality risks and poor production efficiency. Therefore, the present invention proposes a universal puncture device for extrusion lines to solve the problems existing in the prior art. Summary of the invention

[0004] In view of the above problems, the present invention proposes a universal puncture device for extrusion lines. The universal puncture device for extrusion lines is simple and easy to operate, can ensure that puncture is performed in accordance with process requirements, and can well improve the problem of bubbles in the embryo of a run-flat tire after puncture.

[0005] To achieve the purpose of the present invention, the present invention is implemented by the following technical solutions: a universal puncture device for extruded wires, comprising a base and a bracket, wherein the bracket is provided with two groups, and the two groups of the brackets are respectively provided on both sides above the base, the inner sides of the two groups of the brackets are movably provided with an I-shaped slider, the I-shaped slider is driven to move by a threaded portion, the front ends of the two groups of the brackets are provided with a front groove, the front ends of the two groups of the I-shaped sliders are provided with a protruding block adapted to the front groove, a first guide rod is connected between the two groups of the protruding blocks, and both sides of the first guide rod are movably provided with a puncture needle base, the puncture needle base is driven to move by a first bidirectional threaded portion, a rotating ring is provided on the outer side of the puncture needle base, and a puncture needle is provided on the outer side of the rotating ring; The inner side of the base is hollow, and a second guide rod is provided inside the base. Support wheels are movably provided on both sides of the second guide rod. The support wheels are driven to move by a second bidirectional threaded portion, and grooves are provided on the outer sides of the support wheels.

[0006] A further improvement is that: the first bidirectional threaded portion includes a first bidirectional threaded screw and a first adjustment handle, the first bidirectional threaded screw is rotatably connected between the two groups of I-shaped sliders, the first adjustment handle is arranged on one side of the first bidirectional threaded screw, and the threads on both sides of the first bidirectional threaded screw are respectively adapted to the two groups of threads of the needle base.

[0007] A further improvement is that the threaded portion includes a threaded screw and a second adjustment handle, the threaded screw is rotatably arranged inside the front groove, the second adjustment handle is arranged at the upper end of the threaded screw, and the threaded screw passes through the protruding block and is threadably adapted.

[0008] Further improvement is that: the second bidirectional threaded portion includes a second bidirectional threaded screw and a third adjustment handle, the second bidirectional threaded screw is rotatably arranged inside the base, the third adjustment handle is arranged on one side of the second bidirectional threaded screw, and the threads on both sides of the second bidirectional threaded screw are respectively adapted to the two groups of support wheel threads.

[0009] A further improvement is that at least four groups of needles are arranged on the outer side of the rotating ring, and the four groups of needles are of different models, and the needles are threadedly mounted on the rotating ring.

[0010] A further improvement is that the rotating ring is rotatably mounted on the puncture needle base, and a fixing bolt is provided on the rotating ring, and the rotating ring is fixed to the puncture needle base through the fixing bolt.

[0011] A further improvement is that a first fixing plate is provided above the outer side of the I-shaped sliding block on one side, and a first knob bolt is provided on the first fixing plate, and the first knob bolt is used to fix the first bidirectional threaded screw rod.

[0012] A further improvement is that a second fixing plate is provided above one side of the base, and a second knob bolt is provided on the second fixing plate, and the second knob bolt is used to fix the second bidirectional threaded screw rod.

[0013] A further improvement is that a third fixing plate is provided below the interior of the front slot, and a third knob bolt is provided on the third fixing plate, and the third knob bolt is used to fix the threaded screw rod.

[0014] A further improvement is that legs are provided on both sides of the bottom of the base, and a fixing plate is provided below the legs, a fixing hole is provided on the fixing plate, and the fixing plate is fixed to the ground through the fixing holes and bolts.

[0015] The beneficial effects of the present invention are: 1. The present invention is used to be fixed on the extrusion line. After all parts of the tire are bonded, after the support glue is extruded, cooled and blown dry, the first bidirectional threaded portion drives the needle base to move, changes the relative position between the needles on both sides, and ensures that puncture can be performed according to the process spacing requirements. The second bidirectional threaded portion drives the two groups of support wheels to move simultaneously, so that the groove spacing on both sides is adapted to the needles on both sides. The threaded portion drives the I-shaped slider to move, changes the height of the needle, and cooperates with the support of the support wheel to puncture the support glue. During molding, the gas can be discharged through the cavities of the support glue through the cord layer. The device is simple and easy to operate, can ensure that puncture is performed according to the process requirements, and can well improve the problem of bubbles in the embryo of the run-flat tire after puncture.

[0016] 2. The present invention can fix the first bidirectional threaded screw by the first knob bolt, the second bidirectional threaded screw by the second knob bolt, and the threaded screw by the third knob bolt, thereby preventing the height and position of the needle from changing due to accidental rotation of the threaded portion, and being more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of the present invention; Figure 2 It is a schematic diagram of the installation of the needle of the present invention; Figure 3 is a schematic diagram of a second bidirectional threaded portion of the present invention; Figure 4 It is a schematic diagram of a fixing plate of the present invention; Figure 5 This is a schematic diagram of the shape of the one-step forming drum.

[0018] Wherein: 1. base; 2. bracket; 3. I-shaped slider; 4. front groove; 5. protruding block; 6. first guide rod; 7. needle base; 8. swivel; 9. needle; 10. second guide rod; 11. support wheel; 12. groove; 13. first bidirectional threaded screw; 14. first adjustment handle; 15. threaded screw; 16. second adjustment handle; 17. second bidirectional threaded screw; 18. third adjustment handle; 19. fixing bolt; 20. first fixing plate; 21. first knob bolt; 22. second fixing plate; 23. second knob bolt; 24. third fixing plate; 25. third knob bolt; 26. fixing plate. DETAILED DESCRIPTION

[0019] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention. Embodiment 1

[0020] according to Figure 1 , 2As shown in Figures 3 and 4, this embodiment proposes a universal puncture device for extruded wires, including a base 1 and a bracket 2, wherein the bracket 2 is provided with two groups, and the two groups of the brackets 2 are respectively provided on both sides above the base 1, and the inner sides of the two groups of the brackets 2 are movably provided with an I-shaped slider 3, and the I-shaped slider 3 is driven to move by a threaded portion, and the front ends of the two groups of the brackets 2 are provided with a front groove 4, and the front ends of the two groups of the I-shaped sliders 3 are provided with a protruding block 5 adapted to the front groove 4, and a first guide rod 6 is connected between the two groups of the protruding blocks 5, and both sides of the first guide rod 6 are movably provided with a puncture needle base 7, and the puncture needle base 7 is driven to move by a first bidirectional threaded portion, and a swivel 8 is provided on the outer side of the puncture needle base 7, and a puncture needle 9 is provided on the outer side of the swivel 8; The inner side of the base 1 is hollow, and a second guide rod 10 is provided inside the base 1. Support wheels 11 are movably provided on both sides of the second guide rod 10. The support wheels 11 are driven to move by the second bidirectional threaded portion, and grooves 12 are provided on the outer side of the support wheels 11. When in use, the device is fixed on the extrusion line. After all the parts of the tire are bonded, after the support glue is extruded and cooled and blown dry, the needle base 7 is driven to move by the first bidirectional threaded portion to change the relative position between the needles 9 on both sides to ensure that puncture can be performed according to the process spacing requirements. The two groups of support wheels 11 are driven to move by the second bidirectional threaded portion simultaneously, so that the spacing of the grooves 12 on both sides is adapted to the needles 9 on both sides. The I-shaped slider 3 is driven to move by the threaded portion to change the height of the needle 9, so as to cooperate with the support wheel 11 to support the puncture of the support glue. During molding, the gas can be discharged through the cavities of the support glue through the cord layer. The device is simple and easy to operate, and can ensure that puncture is performed according to the process requirements. After puncture, the problem of bubbles in the embryo of the run-flat tire can be well improved.

[0021] The first bidirectional threaded portion includes a first bidirectional threaded screw 13 and a first adjustment handle 14. The first bidirectional threaded screw 13 is rotatably connected between the two groups of I-shaped sliders 3. The first adjustment handle 14 is arranged on one side of the first bidirectional threaded screw 13. The threads on both sides of the first bidirectional threaded screw 13 are respectively adapted to the threads of the two groups of the puncture needle bases 7. When in use, the first adjustment handle 14 is rotated to drive the first bidirectional threaded screw 13 to rotate, so that the two groups of puncture needle bases 7 move relative to each other, and the spacing between the two groups of puncture needles 9 is changed to adapt to different puncture needs.

[0022] The threaded portion includes a threaded screw 15 and a second adjustment handle 16. The threaded screw 15 is rotatably arranged inside the front groove 4. The second adjustment handle 16 is arranged at the upper end of the threaded screw 15. The threaded screw 15 passes through the protruding block 5 and is threadedly adapted. When in use, the second adjustment handle 16 is rotated to drive the threaded screw 15 to rotate, change the height of the protruding block 5 and the I-shaped slider 3, thereby changing the height of the puncture needle 9 to puncture the supporting glue.

[0023] The second bidirectional threaded portion includes a second bidirectional threaded screw 17 and a third adjustment handle 18. The second bidirectional threaded screw 17 is rotatably arranged inside the base 1, and the third adjustment handle 18 is arranged on one side of the second bidirectional threaded screw 17. The threads on both sides of the second bidirectional threaded screw 17 are respectively adapted to the threads of the two groups of the support wheels 11. When in use, the third adjustment handle 18 is rotated to drive the second bidirectional threaded screw 17 to rotate, so that the two groups of support wheels 11 move relative to each other, and by changing the spacing between the two groups of grooves 12, the tire part is supported by the support wheel 11, so that the spacing between the grooves 12 on both sides is adapted to the puncture needles 9 on both sides for puncture.

[0024] Four groups of needles 9 are arranged on the outer side of the rotating ring 8, and the four groups of needles 9 are of different models, and the needles 9 are threadedly installed with the rotating ring 8. When in use, different types of needles 9 are adapted to different thicknesses of supporting glue, and the needles 9 are threadedly installed for easy replacement.

[0025] The rotating ring 8 is rotatably mounted on the needle base 7, and a fixing bolt 19 is provided on the rotating ring 8, and the rotating ring 8 is fixed to the needle base 7 by the fixing bolt 19. When in use, the rotating ring 8 is rotated to switch the needle 9 facing downward, and is fixed to the needle base 7 by the fixing bolt 19, so as to adapt to different supporting glues and puncture the supporting glue.

[0026] A first fixing plate 20 is provided above the outer side of the I-shaped slider 3 on one side, and a first knob bolt 21 is provided on the first fixing plate 20, and the first knob bolt 21 is used to fix the first bidirectional threaded screw 13. When in use, the first knob bolt 21 is turned to fix the first bidirectional threaded screw 13, so as to prevent the first bidirectional threaded screw 13 from rotating and to prevent the position of the needle base 7 from changing during puncture.

[0027] A second fixing plate 22 is provided above one side of the base 1, and a second knob bolt 23 is provided on the second fixing plate 22, and the second knob bolt 23 is used to fix the second bidirectional threaded screw 17. When in use, the second knob bolt 23 is turned to fix the second bidirectional threaded screw 17, so as to prevent the second bidirectional threaded screw 17 from rotating and to prevent the position of the support wheel 11 from changing during puncture.

[0028] A third fixing plate 24 is provided below the interior of the front slot 4, and a third knob bolt 25 is provided on the third fixing plate 24, and the third knob bolt 25 is used to fix the threaded screw 15. When not in use, the third knob bolt 25 is turned to fix the threaded screw 15, fix the position of the I-shaped slider 3, and thus fix the position of the needle 9. Embodiment 2

[0029] according to Figure 1 , 2As shown in Figures 3 and 4, this embodiment proposes a universal puncture device for extruded wires, including a base 1 and a bracket 2, wherein the bracket 2 is provided with two groups, and the two groups of the brackets 2 are respectively provided on both sides above the base 1, and the inner sides of the two groups of the brackets 2 are movably provided with an I-shaped slider 3, and the I-shaped slider 3 is driven to move by a threaded portion, and the front ends of the two groups of the brackets 2 are provided with a front groove 4, and the front ends of the two groups of the I-shaped sliders 3 are provided with a protruding block 5 adapted to the front groove 4, and a first guide rod 6 is connected between the two groups of the protruding blocks 5, and both sides of the first guide rod 6 are movably provided with a puncture needle base 7, and the puncture needle base 7 is driven to move by a first bidirectional threaded portion, and a swivel 8 is provided on the outer side of the puncture needle base 7, and a puncture needle 9 is provided on the outer side of the swivel 8; The inner side of the base 1 is hollow, and a second guide rod 10 is provided inside the base 1. Support wheels 11 are movably provided on both sides of the second guide rod 10. The support wheels 11 are driven to move by a second bidirectional threaded portion, and grooves 12 are provided on the outer sides of the support wheels 11. The extrusion line is an important production line, which is mainly responsible for the production of semi-finished parts such as treads, sidewalls, and apex rubbers. It continuously extrude semi-finished rubber strips with specific shapes and sizes by feeding the mixed rubber into the extruder, using a screw extruder or other extrusion equipment, and through the pressing action of a specific die head. These semi-finished rubber strips are the basis for the subsequent tire molding process, and their quality is directly related to the quality and performance of the final tire. The tire manufacturing extrusion line has the characteristics of numerous equipment, long production lines, high product precision requirements, and more control parameters. It is an indispensable part of the tire production process. When in use, the device is fixed on the discharge point of the extrusion line. After all the parts of the tire are attached and the supporting glue is pressed out, cooled and blown dry, the first bidirectional threaded portion is used to drive the needle base 7 to move, and the relative position between the needles 9 on both sides is changed to ensure that puncture can be performed according to the process spacing requirements. The second bidirectional threaded portion is used to drive the two groups of support wheels 11 to move simultaneously, so that the spacing between the grooves 12 on both sides is adapted to the needles 9 on both sides. The threaded portion is used to drive the I-shaped slider 3 to move, and the height of the needle 9 is changed, so as to cooperate with the support wheel 11 to support the puncture of the supporting glue. During molding, the gas can be discharged through the hole in the supporting glue through the cord layer. This device is simple and easy to operate, and can ensure that puncture is performed according to the process requirements. After puncture, the problem of bubbles in the embryo of the run-flat tire can be well improved.

[0030] Four groups of needles 9 are arranged on the outer side of the rotating ring 8, and the four groups of needles 9 are of different models, and the needles 9 are threadedly installed with the rotating ring 8. When in use, different types of needles 9 are adapted to different thicknesses of supporting glue, and the needles 9 are threadedly installed for easy replacement.

[0031] The rotating ring 8 is rotatably mounted on the needle base 7, and a fixing bolt 19 is provided on the rotating ring 8, and the rotating ring 8 is fixed to the needle base 7 by the fixing bolt 19. When in use, the rotating ring 8 is rotated to switch the needle 9 facing downward, and is fixed to the needle base 7 by the fixing bolt 19, so as to adapt to different supporting glues and puncture the supporting glue.

[0032] The base 1 is provided with legs on both sides of the bottom, and a fixing plate 26 is provided below the legs. The fixing plate 26 is provided with fixing holes, and the fixing plate 26 is fixed to the ground through the fixing holes and bolts. When in use, the device is fixed on the extrusion line, and the fixing plate 26 is fixed to the ground through the fixing holes and bolts, thereby fixing the entire device.

[0033] The universal puncture device for the extrusion line is used to be fixed on the extrusion line. After all parts of the tire are bonded, after the support glue is extruded, cooled and blown dry, the first bidirectional threaded portion is used to drive the needle base 7 to move, and the relative position between the needles 9 on both sides is changed to ensure that puncture can be performed according to the process spacing requirements. The second bidirectional threaded portion is used to drive the two groups of support wheels 11 to move simultaneously, so that the spacing of the grooves 12 on both sides is adapted to the needles 9 on both sides. The threaded portion drives the I-shaped slider 3 to move, and the height of the needle 9 is changed, so as to cooperate with the support wheel 11 to support the puncture of the support glue. During molding, the gas can be discharged through the cavities of the support glue through the cord layer. The device is simple and easy to operate, and can ensure that puncture is performed according to the process requirements. After puncture, the problem of bubbles in the embryo of the run-flat tire can be well improved. At the same time, the first bidirectional threaded screw 13 can be fixed by the first knob bolt 21, the second bidirectional threaded screw 17 can be fixed by the second knob bolt 23, and the threaded screw 15 can be fixed by the third knob bolt 25, so as to prevent the threaded part from accidentally rotating and causing the height and position of the needle 9 to change, and to be more stable.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A universal puncture device for an extruded wire, comprising a base (1) and a bracket (2), characterized in that: The brackets (2) are provided with two groups, and the two groups of the brackets (2) are respectively provided on both sides above the base (1); the inner sides of the two groups of the brackets (2) are movably provided with an I-shaped slider (3), and the I-shaped slider (3) is driven to move by the threaded portion; the front ends of the two groups of the brackets (2) are provided with a front groove (4); the front ends of the two groups of the I-shaped slider (3) are provided with a protruding block (5) matched with the front groove (4); a first guide rod (6) is connected between the two groups of the protruding blocks (5), and both sides of the first guide rod (6) are movably provided with a thorn base (7), and the thorn base (7) is driven to move by the first bidirectional threaded portion; the outer side of the thorn base (7) is provided with a rotating ring (8), and the outer side of the rotating ring (8) is provided with a thorn needle (9); The inner side of the base (1) is hollow, and a second guide rod (10) is provided inside the base (1). Support wheels (11) are movably provided on both sides of the second guide rod (10). The support wheels (11) are driven to move by a second bidirectional threaded portion, and a groove (12) is provided on the outer side of the support wheel (11).

2. A universal puncture device for pressed wire according to claim 1, characterized in that: The first bidirectional threaded portion comprises a first bidirectional threaded screw (13) and a first adjustment handle (14); the first bidirectional threaded screw (13) is rotatably connected between the two groups of I-shaped slide blocks (3); the first adjustment handle (14) is arranged on one side of the first bidirectional threaded screw (13); and the threads on both sides of the first bidirectional threaded screw (13) are respectively adapted to the threads of the two groups of needle bases (7).

3. A universal puncture device for pressed wire according to claim 1, characterized in that: The threaded portion comprises a threaded screw (15) and a second adjustment handle (16); the threaded screw (15) is rotatably arranged inside the front groove (4); the second adjustment handle (16) is arranged at the upper end of the threaded screw (15); the threaded screw (15) passes through the protruding block (5) and is threadably adapted.

4. A universal puncture device for pressed wire according to claim 1, characterized in that: The second bidirectional threaded portion comprises a second bidirectional threaded screw (17) and a third adjustment handle (18); the second bidirectional threaded screw (17) is rotatably arranged inside the base (1); the third adjustment handle (18) is arranged on one side of the second bidirectional threaded screw (17); and the threads on both sides of the second bidirectional threaded screw (17) are respectively adapted to the threads of the two groups of support wheels (11).

5. A universal puncture device for pressed wire according to claim 1, characterized in that: At least four groups of needles (9) are arranged on the outer side of the rotating ring (8), and the four groups of needles (9) are of different models. The needles (9) are threadedly mounted on the rotating ring (8).

6. A universal puncture device for pressed wire according to claim 5, characterized in that: The rotating ring (8) is rotatably mounted on the puncture needle base (7), and a fixing bolt (19) is provided on the rotating ring (8). The rotating ring (8) is fixed to the puncture needle base (7) via the fixing bolt (19).

7. A universal puncture device for pressed wire according to claim 2, characterized in that: A first fixing plate (20) is provided above the outer side of the I-shaped sliding block (3) on one side, and a first knob bolt (21) is provided on the first fixing plate (20), wherein the first knob bolt (21) is used to fix the first bidirectional threaded screw rod (13).

8. A universal puncture device for pressed wire according to claim 4, characterized in that: A second fixing plate (22) is provided above one side of the base (1), and a second knob bolt (23) is provided on the second fixing plate (22), wherein the second knob bolt (23) is used to fix the second bidirectional threaded screw rod (17).

9. A universal puncture device for pressed wire according to claim 3, characterized in that: A third fixing plate (24) is provided below the interior of the front slot (4), and a third knob bolt (25) is provided on the third fixing plate (24), wherein the third knob bolt (25) is used to fix the threaded screw rod (15).

10. A universal puncture device for pressed wire according to claim 1, characterized in that: Support legs are provided on both sides of the bottom of the base (1), and a fixing plate (26) is provided below the support legs. The fixing plate (26) is provided with fixing holes, and the fixing plate (26) is fixed to the ground through the fixing holes and bolts.

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