A new type of steel wire cloth rubber sheet bonding form and bonding method

Abstract

The application provides a new type of steel wire cloth rubber sheet attaching form and attaching method, relates to the heavy load technology field of all-steel radial tire, and comprises a steel wire cloth, a rubber sheet one is laid flat on the left side of the upper end of the steel wire cloth, a rubber sheet two is laid flat on the right side of the upper end of the steel wire cloth, and a lap rubber sheet is arranged on the right side of the lower end of the steel wire cloth. The contact area of the lap rubber sheet between the steel wire cloth and the tire body is increased, the heat generation can be effectively reduced, the back lap rubber sheet can effectively protect the inner end point of the steel wire cloth, the tire internal crack can be effectively reduced, the steel wire cloth can be beneficial to gas discharge in the forming process after being attached to the rubber sheet one and the rubber sheet two, meanwhile, the lap rubber sheet is arranged on the lower side, the falling and folding phenomenon caused by excessive steel wire cloth can be effectively solved, the circle mouth bubble of the formed tire blank can be effectively reduced, compared with the original two-side U package form, the thickness of the side is reduced by one layer, and the smooth transition of the circle part material can be effectively achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of all-steel radial tire load, in particular to a new type of steel wire wrapping cloth rubber sheet bonding form and bonding method. BACKGROUND

[0002] The existing steel wire wrapping cloth bonding form has two types: one is two-edge wrapping, and the other is single-edge lap joint. The above steel wire wrapping cloth bonding form is difficult to meet the performance requirements of the bead part of the load product. In order to better protect the steel wire end point and reduce stress and heat generation, the present application proposes a new type of steel wire wrapping cloth rubber sheet bonding form. SUMMARY

[0003] The present application provides a new type of steel wire wrapping cloth rubber sheet bonding form and bonding method to solve the technical problems of better protecting the steel wire end point and reducing stress and heat generation.

[0004] To solve the above technical problems, the present application discloses a new type of steel wire wrapping cloth rubber sheet bonding form, which comprises a steel wire wrapping cloth, a rubber sheet one is laid on the left part of the upper end of the steel wire wrapping cloth, a rubber sheet two is laid on the right part of the upper end of the steel wire wrapping cloth, and a lap joint rubber sheet is arranged on the right part of the lower end of the steel wire wrapping cloth.

[0005] A new type of steel wire wrapping cloth rubber sheet bonding method is used for the new type of steel wire wrapping cloth rubber sheet bonding form, which comprises the following steps:

[0006] Step 1: cutting the steel wire wrapping cloth material into a steel wire wrapping cloth of a target size by a cutting device;

[0007] Step 2: laying a rubber sheet one on the left part of the upper end of the cut steel wire wrapping cloth;

[0008] Step 3: laying a rubber sheet two on the right part of the upper end of the cut steel wire wrapping cloth;

[0009] Step 4: bonding a lap joint rubber sheet on the right part of the lower end of the cut steel wire wrapping cloth.

[0010] Preferably, the right side of the cutting device is provided with a tension guiding mechanism, the tension guiding mechanism comprises a base block, the base block and the cutting device are installed on the same horizontal plane, the middle part of the base block is provided with a through port, a width detection assembly is installed in the through port, the right end of the base block is provided with a supporting assembly, and the supporting assembly is rotationally connected with the tension guiding assembly.

[0011] Preferably, the width detection assembly comprises a distance sensor one arranged on the front side of the through port, and a distance sensor two arranged on the rear side of the through port, the distance sensor one is used to detect the distance between the rear end of the steel wire wrapping cloth material and the rear end of the through port, and the distance sensor two is used to detect the distance between the front end of the steel wire wrapping cloth material and the front end of the through port.

[0012] Preferably, the supporting assembly comprises a telescopic rod rotatably arranged at the rear side of the right end of the base block, a supporting block fixedly arranged at the front side of the right end of the base block, the supporting block being rotatably connected with the driving shaft, the driving shaft being fixedly connected with the driving motor, and the driving motor being fixedly arranged at the upper end of the supporting block.

[0013] Preferably, the tensioning and guiding assembly comprises a working frame, through holes are arranged at the upper and lower ends of the working frame, a rotating shaft is rotatably arranged at the right side of the working cavity, the rotating shaft is fixedly connected with the guiding roller one, the rotating shaft penetrates through the right side of the front section of the working cavity and is fixedly connected with the motor outside the working frame, and the motor is fixedly connected with the front end of the working frame.

[0014] Preferably, the tensioning and guiding assembly further comprises a sliding cavity arranged at the front side of the left end of the working cavity, a rack fixedly arranged at the lower end of the sliding cavity, the rack being meshed with the gear, the gear being rotatably connected with the connecting shaft, the connecting shaft being fixedly connected with the control block, the connecting shaft being rotatably connected with the guiding roller two, the rear end of the connecting shaft being rotatably connected with the lower side of the connecting plate, the upper side of the connecting plate being threadedly provided with a threaded rod, the threaded rod being threadedly connected with a plurality of threaded holes, the plurality of threaded holes being uniformly arranged at the rear end of the working cavity along the left-right direction, and the connecting plate being slidably connected with the rear end of the working cavity.

[0015] Preferably, the telescopic rod is rotatably connected with the rear end of the working frame, and the driving shaft is fixedly connected with the top corner of the front side of the left end of the working frame.

[0016] Preferably, a guiding groove wheel one is rotatably arranged at the rear side of the left end of the working cavity, and a guiding groove wheel two is rotatably arranged at the front side of the right end of the working cavity.

[0017] Preferably, the automatic control method of the driving motor further comprises the following steps.

[0018] Step 1: electrically connecting the distance sensor two and the distance sensor one with the driving motor through the controller;

[0019] Step 2: calculating the theoretical rotation angle of the driving shaft according to the detection value of the distance sensor one, the detection value of the distance sensor two and formula ①;

[0020] ; ①

[0021] the theoretical rotation angle of the driving shaft, the vertical length of the working frame along the front-rear direction, the horizontal length of the working frame along the left-right direction, the working coefficient, which is 1.1, the width of the through port along the front-rear direction, the detection value of the distance sensor one, the detection value of the distance sensor two, the inverse tangent, is an inverse sine function;

[0022] Step 3: the controller controls the driving motor to work according to the theoretical rotation angle of the driving shaft calculated in step 2, so that the actual rotation angle of the driving shaft reaches the theoretical rotation angle of the driving shaft.

[0023] Compared with the prior art, the present application has the following beneficial effects:

[0024] The contact area of the lap rubber sheet between the steel cord and the carcass is increased, which can effectively reduce the heat generation. The back lap rubber sheet can effectively protect the inner end point of the steel cord, effectively reduce the internal cracks of the tire, and facilitate the gas discharge during the molding process after the steel cord is pasted with the rubber sheet one and the rubber sheet two. The lap rubber sheet arranged at the lower edge can effectively solve the phenomenon of folding caused by excessive steel cord. The above-mentioned new steel cord pasting form can effectively reduce the thickness of the edge by one layer compared with the original U-shaped wrapping form, and can effectively smooth the transition of the material at the edge.

[0025] The technical solutions of the present application will be further described in detail below with reference to the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0027] Fig. 1 is a structural schematic diagram of the present application;

[0028] Fig. 2 is a structural schematic diagram of the tension guiding mechanism of the present application;

[0029] Fig. 3 is a structural schematic diagram of the working frame connection structure of the present application.

[0030] In the drawings: 1, steel cord; 2, rubber sheet one; 3, rubber sheet two; 4, lap rubber sheet; 5, cutting device; 6, base block; 7, through port; 8, distance sensor two; 9, distance sensor one; 10, telescopic rod; 11, guide groove wheel one; 12, support block; 13, working frame; 14, working cavity; 15, guide roller one; 16, guide roller two; 17, motor; 18, rotating shaft; 19, guide groove wheel two; 20, sliding cavity; 21, control block; 22, connecting shaft; 23, gear; 24, rack; 25, connecting plate; 26, threaded hole; 27, threaded rod; 28, driving shaft. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0032] Furthermore, in this invention, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the invention. They are merely used to distinguish components or operations described using the same technical terms and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions and features of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0033] The present invention provides the following embodiments.

[0034] Example 1

[0035] This invention provides a novel method for bonding steel wire-wrapped fabric films, such as... Figs. 1-3 As shown, it includes a steel wire cloth 1, a film 2 laid flat on the upper left side of the steel wire cloth 1, a film 3 laid flat on the upper right side of the steel wire cloth 1, and an overlapping film 4 provided on the lower right side of the steel wire cloth 1.

[0036] The beneficial effects of the above technical solution are as follows:

[0037] Increasing the contact area of ​​the overlapping film 4 between the steel wire wrap 1 and the tire carcass can effectively reduce heat generation. The overlapping film 4 on the back can effectively protect the inner end of the steel wire wrap 1 and effectively reduce internal tire cracking. After the steel wire wrap is flatly attached to the first film 2 and the second film 3, it can facilitate the exhaust of gas during the molding process. At the same time, the overlapping film 4 at the lower edge can effectively solve the drop and folding phenomenon caused by the excessive steel wire wrap 1, and can effectively reduce the generation of air bubbles at the bead of the tire blank after molding. Compared with the original U-shaped form on both sides, the thickness of the edge of the new type of steel wire wrap 1 is reduced by one layer, which can effectively ensure a smooth transition of the bead material and solve the technical problems of better protecting the steel wire end and reducing stress and heat generation.

[0038] Example 2

[0039] Based on Example 1, the present invention provides a novel method for bonding wire-wrapped film, characterized by comprising the following steps:

[0040] Step 1: Cut the steel wire-covered fabric material into steel wire-covered fabric 1 of the target size using the cutting device 5;

[0041] Step 2: Lay the film 2 flat on the upper left side of the cut wire-wrapped fabric 1;

[0042] Step 3: Lay the second sheet of film 3 flat on the upper right side of the cut wire-wrapped fabric 1;

[0043] Step 4: Attach the overlapping film 4 to the lower right side of the cut wire-wrapped fabric 1.

[0044] Example 3

[0045] Based on Example 2, such as Figs. 1-3 As shown, a tensioning guide mechanism is provided on the right side of the cutting device 5. The tensioning guide mechanism includes a base block 6. The base block 6 and the cutting device 5 are installed on the same horizontal plane. A passage 7 is provided in the middle of the base block 6. A width detection component is installed in the passage 7. A support component is provided at the right end of the base block 6. The support component is rotatably connected to the tensioning guide component.

[0046] The width detection component includes a distance sensor 9 disposed on the front side of the port 7 and a distance sensor 8 disposed on the rear side of the port 7. The distance sensor 9 is used to detect the distance between the rear end of the steel wire wrapped material and the rear end of the port 7, and the distance sensor 8 is used to detect the distance between the front end of the steel wire wrapped material and the front end of the port 7.

[0047] The support assembly includes a telescopic rod 10 rotatably mounted on the rear right side of the base block 6, and a support block 12 fixedly mounted on the front right side of the base block 6. The support block 12 is rotatably connected to the drive shaft 28, and the drive shaft 28 is fixedly connected to the drive motor. The drive motor is fixedly mounted on the upper end of the support block 12.

[0048] The beneficial effects of the above technical solution are as follows:

[0049] When cutting the steel wire-covered fabric 1, the cutting device 5 tightens the steel wire-covered fabric 1 to be cut by the tensioning guide assembly, and drives the steel wire-covered fabric 1 to be cut to move stably a target distance. Then, the tensioning guide assembly is controlled to stop moving the steel wire-covered fabric 1 to be cut. Then, the cutting device 5 is controlled to cut the steel wire-covered fabric 1 along the left and right length directions, so as to reduce the dimensional error of the cut. The distance sensor 8 and the distance sensor 9 are set to detect the vertical length of the steel wire-covered fabric 1 along the front and back directions. The support assembly is set to connect and support the tensioning guide assembly.

[0050] Example 4

[0051] Based on Example 3, such as Figs. 1-3As shown, the tensioning guide assembly comprises a working frame 13, upper and lower ends of the working frame 13 are provided with working cavities 14, the right side of the working cavity 14 is provided with a rotating shaft 18, the rotating shaft 18 is fixedly connected with the guide roller one 15, the rotating shaft 18 penetrates the right side of the front section of the working cavity 14 and is fixedly connected with the motor 17 outside, the motor 17 is fixedly connected with the front end of the working frame 13;

[0052] The tensioning guide assembly further comprises a sliding cavity 20 provided at the left end of the front side of the working cavity 14, the lower end of the sliding cavity 20 is fixedly provided with a rack 24, the rack 24 is engaged with a gear 23, the gear 23 is rotatably connected with a connecting shaft 22, the connecting shaft 22 is fixedly connected with a control block 21, the connecting shaft 22 is rotatably connected with the guide roller two 16, the rear end of the connecting shaft 22 is rotatably connected with the lower side of a connecting plate 25, the upper side of the connecting plate 25 is screwedly provided with a threaded rod 27, the threaded rod 27 is screwedly connected with a plurality of threaded holes 26, the plurality of threaded holes 26 are uniformly arranged along the left-right direction at the rear end of the working cavity 14, and the connecting plate 25 is slidably connected with the rear end of the working cavity 14;

[0053] The telescopic rod 10 is rotatably connected with the rear end of the working frame 13, and the driving shaft 28 is fixedly connected with the top corner of the left end of the front side of the working frame 13;

[0054] The left rear side of the working cavity 14 is rotatably provided with a guide groove wheel one 11, and the right front side of the working cavity 14 is rotatably provided with a guide groove wheel two 19.

[0055] The above technical scheme has the following beneficial effects:

[0056] When the driving motor works, the driving shaft 28 is driven to rotate, the driving shaft 28 drives the top corner of the left end of the front side of the working frame 13 to rotate, so that the working frame 13 is rotated backward, and the left and right guide rollers two 16 and the guide roller one 15 are tilted after the working frame 13 is rotated. Since the moving direction of the steel wire packing cloth 1 to be cut is the horizontal left-right direction, the contact area between the steel wire packing cloth 1 and the guide rollers two 16 and the guide roller one 15 can be increased after the guide rollers two 16 and the guide roller one 15 are tilted, so that the friction between the guide rollers two 16 and the guide roller one 15 and the steel wire packing cloth 1 to be cut is improved, which is beneficial to improve the pulling force and tensioning effect of the guide rollers two 16 and the guide roller one 15 on the steel wire packing cloth 1 to be cut. When the motor 17 works, the rotating shaft 18 is driven to rotate, the rotating shaft 18 drives the guide roller one 15 to rotate, and the guide roller one 15 can drive the steel wire packing cloth 1 to be cut to move when the guide roller one 15 rotates. The top corners of the left rear side guide groove wheel one 11 and the right front side guide groove wheel two 19 are distributed, so that the steel wire packing cloth 1 to be cut can pass through the guide groove wheel two 19 and the guide groove wheel one 11 from the front and rear sides after the working frame 13 is rotated. Since the steel wire packing cloth 1 to be cut passes through the lower side of the guide roller two 16, the gap between the guide roller two 16 and the guide roller one 15 and the upper side of the guide roller one 15 in sequence,

[0057] The guide groove wheel one 11 is arranged on the upper side relative to the guide groove wheel two 19, which plays a guiding role for the movement of the steel cord fabric 1 along the left-right direction;

[0058] The gap between the guide roller two 16 and the guide roller one 15 is adjustable, so that the tensioning effect of the guide roller two 16 and the guide roller one 15 on the steel cord fabric 1 can be adjusted. When adjusting the gap between the guide roller two 16 and the guide roller one 15, the threaded rod 27 is rotated to separate the threaded rod 27 from the threaded hole 26, and then the connecting shaft 22 is moved by the control block 21, the gear 23 is rolled along the rack 24 by the connecting shaft 22, the guide roller two 16 and the connecting plate 25 are moved by the connecting shaft 22, until the gap between the guide roller two 16 and the guide roller one 15 reaches the target gap, at this time the threaded rod 27 is re-tightened to reconnect the threaded rod 27 with the threaded hole 26 corresponding to it at this time. The rack 24 and the gear 23 are arranged so that the control block 21 rotates during movement. A scale is arranged on the control block 21, and the movement distance of the guide roller two 16 is conveniently observed by the rotation angle of the control block 21.

[0059] Example 5

[0060] Based on example 3, as shown in Figs. 1-3 It also includes an automatic control method of driving motor, including the following steps:

[0061] Step 1: electrically connect the distance sensor two 8 and the distance sensor one 9 to the driving motor through the controller;

[0062] Step 2: the controller calculates the theoretical rotation angle of the driving shaft 28 according to the detection value of the distance sensor one 9, the detection value of the distance sensor two 8 and formula ①;

[0063] ; ①

[0064] the theoretical rotation angle of the driving shaft 28, the vertical length of the working frame 13 along the front-back direction, the horizontal length of the working frame 13 along the left-right direction, the working coefficient, which is 1.1, the width of the through port 7 along the front-back direction, the detection value of the distance sensor one, the detection value of the distance sensor two, the inverse tangent, the inverse sine;

[0065] Step 3: the controller controls the driving motor to work according to the theoretical rotation angle of the driving shaft 28 calculated in step 2, so that the actual rotation angle of the driving shaft 28 reaches the theoretical rotation angle of the driving shaft 28.

[0066] The above technical solution has the following beneficial effects:

[0067] The distance sensor two 8 and the distance sensor one 9 are electrically connected with the driving motor through the controller; the controller calculates the theoretical rotation angle of the driving shaft 28 according to the detection value of the distance sensor one 9, the detection value of the distance sensor two 8 and formula ①, and controls the driving motor to work according to the theoretical rotation angle of the driving shaft 28 calculated in step 2, so that the actual rotation angle of the driving shaft 28 reaches the theoretical rotation angle of the driving shaft 28, and the rotation direction of the driving shaft 28 is counterclockwise, so that the working frame 13 rotates backward according to the attached Fig. 1 The distance sensor two 8 and the distance sensor one 9 are electrically connected with the driving motor through the controller; the controller calculates the theoretical rotation angle of the driving shaft 28 according to the detection value of the distance sensor one 9, the detection value of the distance sensor two 8 and formula ①, and controls the driving motor to work according to the theoretical rotation angle of the driving shaft 28 calculated in step 2, so that the actual rotation angle of the driving shaft 28 reaches the theoretical rotation angle of the driving shaft 28, and the rotation direction of the driving shaft 28 is counterclockwise, so that the working frame 13 rotates backward according to the attached The distance sensor two 8 and the distance sensor one 9 are electrically connected with the driving motor through the controller; the controller calculates the theoretical rotation angle of the driving shaft 28 according to the detection value of the distance sensor one 9, the detection value of the distance sensor two 8 and formula ①, and controls the driving motor to work according to the theoretical rotation angle of the driving shaft 28 calculated in step 2, so that the actual rotation angle of the driving shaft 28 reaches the theoretical rotation angle of the driving shaft 28, and the rotation direction of the driving shaft 28 is counterclockwise, so that the working frame 13 rotates backward according to the attached

[0068] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. A novel method of splicing a new type of steel cord fabric sheet, characterized in that: It comprises the following steps: Step 1: cut the steel wire packing cloth material into the target size of the steel wire packing cloth (1) through the cutting device (5); Step 2: lay the rubber sheet one (2) on the left part of the upper end of the cut steel wire packing cloth (1); Step 3: lay the rubber sheet two (3) on the right part of the upper end of the cut steel wire packing cloth (1); Step 4: paste the lap rubber sheet (4) on the right part of the lower end of the cut steel wire packing cloth (1); The right side of the cutting device (5) is provided with a tension guiding mechanism, which comprises a base block (6), the base block (6) and the cutting device (5) are installed on the same horizontal plane, the middle part of the base block (6) is provided with a through port (7), the through port (7) is provided with a width detection assembly, the right end of the base block (6) is provided with a supporting assembly, and the supporting assembly is rotatably connected with the tension guiding assembly; The width detection assembly comprises a distance sensor one (9) arranged on the front side of the through port (7) and a distance sensor two (8) arranged on the rear side of the through port (7), the distance sensor one (9) is used for detecting the distance between the rear end of the steel wire packing cloth material and the rear end of the through port (7), and the distance sensor two (8) is used for detecting the distance between the front end of the steel wire packing cloth material and the front end of the through port (7); The supporting assembly comprises a telescopic rod (10) rotatably arranged on the rear side of the right end of the base block (6), a supporting block (12) fixedly arranged on the front side of the right end of the base block (6), the supporting block (12) is rotatably connected with a driving shaft (28), the driving shaft (28) is fixedly connected with a driving motor, and the driving motor is fixedly arranged on the upper end of the supporting block (12); The tension guiding assembly comprises a working frame (13), working cavities (14) are arranged at the upper and lower ends of the working frame (13), a rotating shaft (18) is rotatably arranged on the right side of the working cavity (14), the rotating shaft (18) is fixedly connected with a guiding roller one (15), the rotating shaft (18) penetrates through the right side of the front section of the working cavity (14) and is fixedly connected with an external motor (17), and the motor (17) is fixedly connected with the front end of the working frame (13); The telescopic rod (10) is rotatably connected with the rear end of the working frame (13), and the driving shaft (28) is fixedly connected with the top corner of the left end of the working frame (13); A guiding groove wheel one (11) is rotatably arranged on the left end of the working cavity (14), and a guiding groove wheel two (19) is rotatably arranged on the right end of the working cavity (14).

2. A novel method of splicing of steel cord covered rubber sheet as claimed in claim 1, wherein: The tension guiding assembly further comprises a sliding cavity (20) arranged on the left end of the working cavity (14), a gear rack (24) fixedly arranged on the lower end of the sliding cavity (20), the gear rack (24) engaged with a gear (23), the gear (23) rotatably connected with a connecting shaft (22), the connecting shaft (22) fixedly connected with a control block (21), the connecting shaft (22) rotatably connected with a guiding roller two (16), the rear end of the connecting shaft (22) rotatably connected with the lower side of a connecting plate (25), the upper side of the connecting plate (25) screwedly provided with a threaded rod (27), the threaded rod (27) screwedly connected with a plurality of threaded holes (26) corresponding to the threaded rod (27), and the plurality of threaded holes (26) uniformly arranged along the left-right direction at the rear end of the working cavity (14).

3. A novel method of splicing of steel cord covered rubber sheet as claimed in claim 1, wherein: The application further provides an automatic control method of the driving motor, comprising the following steps: Step 1: electrically connecting the distance sensor two (8) and the distance sensor one (9) to the driving motor through the controller; Step 2: calculating the theoretical rotation angle of the driving shaft (28) according to the detection value of the distance sensor one (9), the detection value of the distance sensor two (8) and formula 1 by the controller; ；① is a theoretical rotation angle of the drive shaft (28), is a vertical length of the working frame (13) in the front-rear direction, is a horizontal length of the working frame (13) in the left-right direction, is a working coefficient, and is 1.1, is a width of the passage (7) in the front-rear direction, is a detection value of the distance sensor one, is a detection value of the distance sensor two, is an inverse tangent, is an inverse sine; Step 3: controlling the driving motor to work according to the theoretical rotation angle of the driving shaft (28) calculated in step 2, so that the actual rotation angle of the driving shaft (28) reaches the theoretical rotation angle of the driving shaft (28).

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