Tire side material extrusion prevention device

Abstract

The utility model discloses a sidewall extrusion prevention device which comprises a first stepped shaft, an upper protective sleeve excitation pressing plate and a spring, and the first stepped shaft is connected with one side of a second stepped shaft; the first spacer bush is used as a support, the upper protective sleeve and the lower protective sleeve are tightly attached to the first spacer bush, the excitation pressing plate is pressed into the rectangular groove, the sliding block is inserted into the groove of the upper protective sleeve and the groove of the lower protective sleeve, the excitation pressing plate is loosened, the excitation pressing plate is popped out under the action of the spring, the sliding block is clamped, and the excitation pressing plate is pressed into the rectangular groove. The installation of the upper protective sleeve and the lower protective sleeve is completed, and the first spacer bush can be protected from being damaged; through the rollers formed by the second spacer bushes, the anti-extrusion sheets and the first spacer bushes, the two rollers rotate synchronously, so that material extrusion prevention of the sidewall can be realized, the safety and the working efficiency are improved, manual intervention is not needed in sidewall overturning traction, potential safety hazards are reduced, meanwhile, the working time is saved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automatic traction device on sidewall production line, especially relates to a sidewall anti extrusion device. BACKGROUND

[0002] Ensuring that the sidewall material is correctly aligned and does not move or extrude unnecessarily not only brings direct economic benefits, but also indirectly enhances the market competitiveness and social responsibility image of the enterprise; correct alignment can avoid appearance defects such as bubbles and wrinkles, and also ensure the consistency and integrity of the internal structure; accurately placed sidewall material helps to improve the overall strength and durability of the tire and prolong the service life; precise alignment reduces material waste caused by errors and reduces production costs; but the current market has a big defect: first, the sidewall uphill turning plate needs manual checking whether it is extruded, which seriously wastes labor costs and has low work efficiency; second, the spacer sleeve at the shaft end is not protected during installation and is easily damaged; therefore, it is necessary to design a sidewall anti extrusion device. SUMMARY

[0003] The utility model discloses a sidewall anti extrusion device, which solves the problem that the existing sidewall uphill turning plate needs manual checking whether it is extruded, which seriously wastes labor costs and has low work efficiency, and the problem that the spacer sleeve at the shaft end is not protected during installation and is easily damaged.

[0004] In order to solve the above technical problems, the utility model provides the following technical scheme: a sidewall anti extrusion device, which comprises a first stepped shaft, an upper protective sleeve, an anti extrusion sheet, a lower protective sleeve, a clamping block, a sliding block, a rectangular groove, an excitation pressing plate and a spring, one side of the first stepped shaft is connected with a second stepped shaft, the other side of the second stepped shaft is connected with one side of a third stepped shaft, and the other side of the third stepped shaft is connected with a fourth stepped shaft.

[0005] As a further technical scheme of the utility model, a first key groove is formed in the first stepped shaft.

[0006] As a further technical scheme of the utility model, a second key groove is formed in the fourth stepped shaft, a first spacer sleeve is sleeved on the fourth stepped shaft, and the upper protective sleeve and the lower protective sleeve are tightly attached to the first spacer sleeve respectively.

[0007] As a further technical scheme of the utility model, the anti extrusion sheet and a second spacer sleeve are sleeved on the fourth stepped shaft, one side of the first spacer sleeve is tightly attached to the anti extrusion sheet, and the other side of the anti extrusion sheet is tightly attached to the second spacer sleeve.

[0008] As a further technical scheme of the utility model, the upper protective sleeve is symmetrically provided with the clamping block, and the clamping block is connected with the sliding block.

[0009] As a further technical scheme of the utility model, the sliding block is provided with a rectangular groove, one end of the rectangular groove is connected with a spring, and the other end of the spring is connected to the excitation pressing plate.

[0010] As a further technical scheme of the utility model, the sliding block is provided with a rectangular groove, one end of the rectangular groove is connected with a spring, and the other end of the spring is connected to the excitation pressing plate.

[0011] The tire side anti-extrusion device has the advantages that the fourth stepped shaft is used as the support, the second spacer sleeve, the anti-extrusion sheet and the first spacer sleeve are sequentially sleeved into the fourth stepped shaft, the first spacer sleeve is used as the support, the upper protective sleeve and the lower protective sleeve are tightly attached to the first spacer sleeve respectively, the excitation pressing plate is pressed into the rectangular groove, the sliding block is inserted into the grooves of the upper protective sleeve and the lower protective sleeve, the excitation pressing plate is ejected under the action of the spring and clamped to the sliding block, the installation of the upper protective sleeve and the lower protective sleeve is completed, and the first spacer sleeve can be protected from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical schemes in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0013] Figure 1 It is the overall structural diagram of the utility model;

[0014] Figure 2 It is the three-dimensional schematic diagram of the upper protective sleeve and the lower protective sleeve of the utility model;

[0015] Figure 3 It is Figure 2 It is the local enlarged view of the A area in the middle.

[0016] In the drawing: 1, first stepped shaft;2, second stepped shaft;3, third stepped shaft;4, first key groove;5, fourth stepped shaft;6, second key groove;7, upper protective sleeve;8, anti-extrusion sheet;9, first spacer sleeve;10, second spacer sleeve;11, lower protective sleeve;12, clamping block;13, sliding block;14, rectangular groove;15, excitation pressing plate;16, spring. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] Please refer to the drawings Figure 1 - the drawings Figure 3 An embodiment provided by the utility model: a tire side anti-extrusion device, including first stepped shaft 1, upper protective sleeve 7, anti-extrusion sheet 8, lower protective sleeve 11, clamping block 12, sliding block 13, rectangular groove 14, excitation pressing plate 15 and spring 16, one side of first stepped shaft 1 is connected with second stepped shaft 2, the other side of second stepped shaft 2 is connected on one side of third stepped shaft 3, the other side of third stepped shaft 3 is connected on fourth stepped shaft 5;First key groove 4 is set up on first stepped shaft 1;Second key groove 6 is set up on fourth stepped shaft 5, first spacer sleeve 9 is sleeved on fourth stepped shaft 5, and upper protective sleeve 7 and lower protective sleeve 11 are respectively close-fitting on first spacer sleeve 9;Anti-extrusion sheet 8 and second spacer sleeve 10 are sleeved on fourth stepped shaft 5, one side of first spacer sleeve 9 is close-fitting with anti-extrusion sheet 8, and the other side of anti-extrusion sheet 8 is close-fitting with second spacer sleeve 10;Clamping block 12 is symmetrically arranged on upper protective sleeve 7, and sliding block 13 is connected on clamping block 12;Rectangular groove 14 is set up on sliding block 13, one end of spring 16 is connected in rectangular groove 14, the other end of spring 16 is connected on excitation pressing plate 15, one end of excitation pressing plate 15 is connected in rectangular groove 14, and excitation pressing plate 15 is used for fixing sliding block 13;Sliding block 13 penetrates the through slot set up on upper protective sleeve 7 and lower protective sleeve 11, upper protective sleeve 7 is close-fitting with lower protective sleeve 11, and upper protective sleeve 7 is used for protecting first spacer sleeve 9.

[0019] Specifically, in use, first, the second spacer sleeve 10, the anti-extrusion sheet 8 and the first spacer sleeve 9 are sleeved into the fourth stepped shaft 5 in sequence with the fourth stepped shaft 5 as the support, the upper protective sleeve 7 and the lower protective sleeve 11 are tightly attached to the first spacer sleeve 9 respectively with the first spacer sleeve 9 as the support, the slide block 13 is inserted into the recess of the upper protective sleeve 7 and the lower protective sleeve 11 by pressing the excitation pressing plate 15 into the rectangular recess 14, the excitation pressing plate 15 is ejected under the action of the spring 16 and clamps the slide block 13, the installation of the upper protective sleeve 7 and the lower protective sleeve 11 is completed, and the first spacer sleeve 9 can be protected from damage; the two rollers formed by the second spacer sleeve 10, the anti-extrusion sheet 8 and the first spacer sleeve 9 rotate synchronously, the tire side anti-extrusion material is realized, the safety and the work efficiency are improved, the manual intervention is not needed for the tire side turning and drawing, the safety hidden danger is reduced, the working time is saved, and the work efficiency is improved.

[0020] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] The device embodiments described above are only schematic, wherein the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, i.e. they can be located in one place, or distributed on multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the present embodiment. Those skilled in the art can understand and implement without creative labor.

[0022] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A kind of side extrusion prevention material device, including first step shaft (1), upper protective sleeve (7), extrusion prevention piece (8), lower protective sleeve (11), clamping block (12), sliding block (13), rectangular recess (14), excitation pressing plate (15) and spring (16), it is characterized in that: One side of the first stepped shaft (1) is connected with the second stepped shaft (2), the other side of the second stepped shaft (2) is connected with one side of the third stepped shaft (3), the other side of the third stepped shaft (3) is connected with the fourth stepped shaft (5).

2. A sidewall bulging prevention device according to claim 1, characterized in that: The first stepped shaft (1) is provided with the first key groove (4).

3. A sidewall bulging prevention device according to claim 1, wherein: The fourth stepped shaft (5) is provided with the second key groove (6), the first spacer sleeve (9) is sleeved on the fourth stepped shaft (5), the upper protective sleeve (7) and the lower protective sleeve (11) are respectively attached to the first spacer sleeve (9).

4. A sidewall bulging prevention device according to claim 3, wherein: The fourth stepped shaft (5) is sleeved with the anti-extrusion piece (8) and the second spacer sleeve (10), one side of the anti-extrusion piece (8) is attached to the first spacer sleeve (9), the other side of the anti-extrusion piece (8) is attached to the second spacer sleeve (10).

5. A sidewall bulging prevention apparatus according to claim 3, wherein: The upper protective sleeve (7) is symmetrically provided with the clamping block (12), the sliding block (13) is connected to the clamping block (12).

6. A sidewall bulging prevention apparatus according to claim 5, wherein: The rectangular groove (14) is provided on the sliding block (13), one end of the spring (16) is connected to the rectangular groove (14), the other end of the spring (16) is connected to the excitation pressing plate (15), one end of the excitation pressing plate (15) is connected to the rectangular groove (14).

7. A sidewall bulging prevention apparatus according to claim 6, wherein: The sliding block (13) penetrates the through groove provided on the upper protective sleeve (7) and the lower protective sleeve (11), the upper protective sleeve (7) is attached to the lower protective sleeve (11).

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