Perforating device for cord fabric production
By designing a punching device for the sliding component and the punching component, the problem of air bubbles in the middle of the cord fabric after applying adhesive was solved, achieving stable bonding between the cord fabric and the tire tread and preventing delamination.
Patent Information
- Application Number
- CN202422966969.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-03
AI Technical Summary
In existing technologies, air bubbles easily form in the middle of the cord fabric after the adhesive is applied, leading to the problem of delamination between the cord fabric and the tire tread.
A punching device including a sliding component and a punching component was designed. The punching roller punches holes in the fabric layer, squeezing out air bubbles in the fabric after the adhesive is applied, thus preventing delamination.
It effectively squeezes out air bubbles in the fabric after the adhesive is applied, preventing the fabric from delaminating from the tire tread and improving the bonding quality of the fabric layers.
Smart Images

Figure CN223558620U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to tire production technical field, and specifically relates to a punching device for cord production. BACKGROUND
[0002] The cord layer is the framework of the pneumatic tire, which is formed by several layers of rubberized cord, and bears most of the load acting on the tire; for ordinary tires, the number of layers of the cord layer is generally even, such as 4-18 layers. The number of layers of the radial tire is odd, such as 1-5 layers. The tire cord layer is produced by a cord calender. The calender includes a left frame and a right frame, and a roller is installed between the left frame and the right frame. The surface of the cord coming out of the calender is coated with cord rubber compound, so as to bond the multiple layers of cord. A traction roller frame protruding forward is arranged at the upper end of the front side of the left frame and the right frame. An upper traction roller and a lower traction roller are respectively installed between the upper end and the lower end of the traction rollers on the left side and the right side. The cord coated with rubber compound is pulled by the traction rollers and then wound into a roll.
[0003] In the prior art, bubbles are easily formed in the middle of the cord after coating. If the bubbles are not removed in time, the cord of the tire will eventually delaminate, and even the cord and the tread will delaminate. SUMMARY
[0004] The utility model aims at providing a punching device for cord production, which aims to solve the problem that bubbles are easily formed in the middle of the cord after coating in the prior art. If the bubbles are not removed in time, the cord of the tire will eventually delaminate, and even the cord and the tread will delaminate.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A punching device for cord production, comprising:
[0007] A device main body;
[0008] A sliding assembly is provided with two groups. Each group of the sliding assembly comprises a track frame, a first motor, a sliding frame and a screw rod. The track frame is fixedly connected to one side end of the device main body. The sliding frame is slidingly connected in the track frame. The screw rod is rotatably connected in the track frame. The screw rod is threadedly connected with the sliding frame.
[0009] A punching assembly, the punching assembly comprises a punching roller, a second gear and a second motor. The punching roller and the second gear are both provided with two. The two punching rollers are both rotatably connected in the two sliding frames through first shafts. The two second gears are respectively fixedly connected to one end of the two first shafts. The two second gears are engaged. The second motor is fixedly connected in one of the sliding frames. The output end of the second motor is fixedly connected to one end of one of the first shafts.
[0010] As a preferred scheme of the utility model, the upper end of the device body is fixedly connected with side plates at four corners.
[0011] As a preferred scheme of the utility model, the upper side of the device body is provided with two groups of conveying assemblies, and each group of conveying assemblies is connected with two side plates.
[0012] As a preferred scheme of the utility model, each group of conveying assemblies comprises a conveying roller, a first gear and a third motor, the conveying roller and the first gear are both provided with two, the two conveying rollers are rotatably connected to the two side plates through second rotating shafts respectively, the two first gears are fixedly connected to one end of the two second rotating shafts respectively, the third motor is fixedly connected to one end of one of the conveying rollers, and the output end of the third motor is fixedly connected to one end of one of the second rotating shafts.
[0013] As a preferred scheme of the utility model, a containing cavity is formed in the device body, and a door plate is movably hinged to the surface of the device body through a hinge shaft.
[0014] As a preferred scheme of the utility model, anti-skid lines are arranged at the lower end of the device body.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] 1. In the scheme, after the tire cord layer is punched by using the punching assembly, the bubbles in the middle of the coated cord are extruded, and the cord and the tread are prevented from delaminating.
[0017] 2. In the scheme, the sliding assembly is used for adjusting the height of the punching assembly, the first motor in the sliding assembly drives the screw rod connected to the output end to rotate when running, the screw rod is connected in the screw thread in the sliding frame, the sliding frame is driven to slide in the track frame by the screw rod, and the height of the punching assembly is adjusted when the sliding frame slides, so that the punching operation of the tire cord layer is facilitated. DETAILED DESCRIPTION
[0018] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:
[0019] Figure 1 It is the first perspective view of the utility model;
[0020] Figure 2 It is the second perspective view of the utility model;
[0021] Figure 3 It is the top view of the utility model;
[0022] Figure 4 is a side view of the utility model.
[0023] In the figure: 1, device main body; 2, door panel; 3, side plate; 4, conveying roller; 5, first gear; 6, track frame; 7, first motor; 8, sliding frame; 9, sliding rod; 10, screw rod; 11, punching roller. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] EMBODIMENT
[0026] Please refer to Figures 1-4 The utility model provides the following technical scheme:
[0027] A punching device for production of curtain fabric, comprising:
[0028] Device main body 1;
[0029] Sliding assembly, it is equipped with two groups, and each group sliding assembly includes track frame 6, first motor 7, sliding frame 8 and screw rod 10, track frame 6 is fixedly connected to one side end of device main body 1, sliding frame 8 is slidably connected in track frame 6, screw rod 10 is rotatably connected in track frame 6, and screw rod 10 is threadedly connected with sliding frame 8;
[0030] Punching assembly, punching assembly includes punching roller 11, second gear and second motor, and punching roller 11 and second gear are equipped with two, two punching rollers 11 are rotatably connected in two sliding frames 8 through first shaft, two second gears are fixedly connected to one end of two first shafts respectively, two second gears are engaged, second motor is fixedly connected in one of sliding frames 8, and the output end of second motor is fixed with one end of one of first shafts.
[0031] In the specific embodiment of the utility model, when the device is used, the tire cord layer is input into the punching assembly by a group of conveying assemblies, the position of the punching assembly is controlled through the sliding assembly, the second motor in the punching assembly operates, the output end of the second motor drives the first rotating shaft to rotate, one end of the two first rotating shafts is fixedly connected with the second gear, the two second gears are engaged, the two first rotating shafts rotate simultaneously, drive the two punching rollers 11 to rotate, the tire cord layer passes between the two punching rollers 11, the cord layer is extruded and punched through the needle-shaped protrusions on the surfaces of the two punching rollers 11, the bubbles in the cord layer after gluing are extruded, the cord and the tread are prevented from delaminating; the sliding assembly is used for adjusting the height of the punching assembly, the screw rod 10 connected with the output end of the first motor 7 in the sliding assembly rotates when operating, the screw rod 10 is screwedly connected with the sliding frame 8, the sliding frame 8 is driven to slide in the track frame 6 through the rotation of the screw rod 10, the sliding frame 8 drives the punching assembly to adjust the height when sliding, the punching operation of the tire cord layer is facilitated, two slide rods 9 are further fixedly connected in the track frame 6 in each group of sliding assemblies, the sliding frame 8 slides on the surfaces of the two slide rods 9, the sliding frame 8 is limited through the two slide rods 9, and the stability of the sliding frame 8 in the track frame 6 is improved.
[0032] For details, please refer to Figures 1-4 The upper end of the device main body 1 is fixedly connected with side plates 3 at four corners.
[0033] In the embodiment, the two side plates 3 on the same side are used for connecting a group of conveying assemblies.
[0034] For details, please refer to Figures 1-4 The upper side of the device main body 1 is provided with two groups of conveying assemblies, and each group of conveying assemblies is connected with two side plates 3.
[0035] In the embodiment, one group of the two groups of conveying assemblies is used for inputting the tire cord layer, and the other group is used for outputting the tire cord layer after punching.
[0036] For details, please refer to Figures 1-4 Each group of conveying assemblies comprises conveying rollers 4, first gears 5 and third motors, the conveying rollers 4 and the first gears 5 are both provided with two, the two conveying rollers 4 are rotatably connected in the two side plates 3 through second rotating shafts, the two first gears 5 are fixedly connected with one end of the two second rotating shafts, respectively, one end of one of the conveying rollers 4 is fixedly connected with the third motor, and one end of one of the second rotating shafts is fixedly connected with the output end of the third motor.
[0037] In the embodiment, the third motor in the conveying assembly drives a second rotating shaft connected to the output end to rotate when in operation, the end portions of the two second rotating shafts are fixedly connected with first gears 5, and the two first gears 5 are engaged, at this time, the two second rotating shafts rotate simultaneously, the conveying rollers 4 are driven by the second rotating shafts to rotate, and the tire cord layer is input or output from between the two conveying rollers 4.
[0038] For details, please refer to Figures 1-4 The device body 1 is provided with a containing cavity, and the surface of the device body 1 is hingedly connected with a door plate 2 through a hinge shaft.
[0039] In the embodiment, tools for processing the tire cord layer are placed in the containing cavity, which is convenient for storage of the tools, and the door plate 2 plays a protective role on the tools.
[0040] For details, please refer to Figures 1-4 The lower end of the device body 1 is provided with anti-skid lines at four corners.
[0041] In the embodiment, the anti-skid lines are used to improve the stability of the device placed on the ground.
[0042] It should be noted that: the specific model of the first motor 7, the second motor and the third motor is selected by the person skilled in the art, and the above first motor 7, the second motor and the third motor all belong to the prior art, and the present scheme will not be described in detail.
[0043] The working principle and use process of the device are as follows: when the device is used, the tire cord layer is first input into the punching assembly from a group of conveying assemblies, the position of the punching assembly is controlled through the sliding assembly, the second motor in the punching assembly is operated, the output end of the second motor drives the first rotating shaft to rotate, one end of the two first rotating shafts is fixedly connected with a second gear, the two second gears are engaged, the two first rotating shafts rotate simultaneously, driving the two punching rollers 11 to rotate, the tire cord layer passes between the two punching rollers 11, and the cord layer is extruded and punched by the needle-shaped protrusions on the surfaces of the two punching rollers 11; after the tire cord layer is punched by the punching assembly, the bubbles in the middle of the coated cord are extruded, and the cord and the tread are prevented from delaminating.
[0044] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A punching device for the production of a cord fabric, characterized in that Include: The device body (1) is provided with two groups of sliding assemblies, each group of sliding assemblies includes a track frame (6), a first motor (7), a sliding frame (8) and a screw rod (10), the track frame (6) is fixedly connected to one side end of the device body (1), the sliding frame (8) is slidably connected in the track frame (6), the screw rod (10) is rotatably connected in the track frame (6), and the screw rod (10) is threadedly connected with the sliding frame (8); The punching assembly includes a punching roller (11) and a second gear, the punching roller (11) and the second gear are provided with two, two punching rollers (11) are rotatably connected in two sliding frames (8) through first shafts, two second gears are fixedly connected to one end of two first shafts respectively, two second gears are engaged, and the second motor is fixedly connected in one of the sliding frames (8), and the output end of the second motor is fixedly connected to one end of one of the first shafts. The upper end of the device body (1) is fixedly connected with a side plate (3) at four corners.
2. The punching device for the production of a tire cord according to claim 1, characterized in that: The upper side of the device body (1) is provided with two groups of conveying assemblies, and each group of conveying assemblies is connected with two side plates (3).
3. The punching device for the production of a tire cord according to claim 2, characterized in that: Each group of conveying assemblies includes a conveying roller (4), a first gear (5) and a third motor, the conveying roller (4) and the first gear (5) are provided with two, two conveying rollers (4) are rotatably connected in two side plates (3) through second shafts, two first gears (5) are fixedly connected to one end of two second shafts respectively, the third motor is fixedly connected to one end of one of the conveying rollers (4), and the output end of the third motor is fixedly connected to one end of one of the second shafts.
4. The punching device for the production of a tire cord according to claim 3, characterized in that: The device body (1) is provided with a receiving cavity, and the surface of the device body (1) is hingedly connected with a door plate (2) through a hinge shaft.
5. The punching device for the production of a tire cord according to claim 4, characterized in that: The lower end of the device body (1) is provided with anti-skid lines at four corners.
6. The punching device for the production of a tire cord according to claim 5, characterized in that: