Tread extrusion equipment

Abstract

The utility model provides tread extrusion equipment, which relates to the technical field of tire production equipment and comprises a base, a bottom plate is arranged on the base, one side of the bottom plate is detachably connected with an extrusion die, and the extrusion die is provided with a tread extrusion gap; a push-out part is arranged on one side, far away from the extrusion die, of the bottom plate; a die pressing assembly is arranged on the side, away from the bottom plate, of the extrusion die. An upper pressing assembly and a lower blocking assembly are arranged on the side, away from the extrusion die, of the die pressing assembly. The device has the beneficial effects that the extrusion die detachably connected with the bottom plate is arranged, the tread extrusion gap is formed in the extrusion die, and the extrusion gap is set according to the size of a tread to be manufactured, so that when the device is used for producing treads with different thicknesses and widths, only the extrusion die needs to be replaced, and the production efficiency is greatly improved. And the size of the extrusion gap is directly processed by a machine tool, so that the precision of the size of the extrusion gap is ensured, the precision of the tread is ensured, and the most basic guarantee is provided for the stability of subsequent tire production.

Description

Technical Field

[0001] The utility model relates to the technical field of tire production equipment, in particular to a tread extrusion device. Background Art

[0002] During the tire production process, the rubber material is first melted and pressed into a rough blank, and then the rough blank is pressed into a tread of a certain width and thickness according to the size of the actual tire to be produced. Only then can the tread be produced into a tire. During the tread production process, it is extremely important to control the thickness and width of the tread. If the thickness and width of the tread do not meet the designed dimensions, it will affect the quality of the tires produced subsequently.

[0003] The technical content disclosed in the Chinese patent document (Announcement No.: CN205631302U, Patent Name: Short Fiber Reinforced Remanufactured Tire Tread Extrusion Molding Device) is: the thickness of the tread is controlled by the gap between the rollers, and the width of the tread rubber is fixed by the distance between the left and right molding blocks. Generally speaking, the size of the tread rubber is determined before the design, so the gap between the rollers and the distance between the left and right molding blocks are fixed during the design.

[0004] It can be seen from the above implementation scheme that the short fiber reinforced remanufactured tire tread extrusion molding device sets the gap between the rollers to control the thickness of the tread, and sets left and right molding blocks to control the width of the tread. Compared with the fixed and non-adjustable width and thickness limiting plates, the adjustable width and thickness have lower accuracy and may cause errors in the adjustment process, resulting in unqualified final tread dimensions. Therefore, there are certain risks in production applications. Utility Model Content

[0005] The utility model overcomes the shortcomings of the prior art, and is provided with an extrusion die detachably connected to a bottom plate, and a tread extrusion gap is provided on the extrusion die. The extrusion gap is set according to the size of the tread to be produced. When the equipment needs to produce treads of different thicknesses and widths, it is only necessary to replace the extrusion die. Since the size of the extrusion gap is directly processed by a machine tool, the accuracy of the size of the extrusion gap is guaranteed, thereby ensuring the accuracy of the tread, and providing the most basic guarantee for the stability of subsequent tire production.

[0006] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0007] A tread extrusion device comprises a base, a bottom plate is arranged on the base, an extrusion die is detachably connected to one side of the bottom plate, and the extrusion die is provided with a tread extrusion gap;

[0008] A push-out component is provided on one side of the bottom plate away from the extrusion die;

[0009] A mold pressing assembly is arranged on the side of the extrusion mold away from the bottom plate, and an upper pressing assembly and a lower stop assembly are arranged on the side of the mold pressing assembly away from the extrusion mold.

[0010] Furthermore, the base includes a mold mounting position, a bottom plate is arranged in the mold mounting position, upper slide rails are arranged on both sides of the mold mounting position, and lower slide rails are arranged on both sides below the mold mounting position.

[0011] Furthermore, the mold pressing assembly is hinged to one side of the mold mounting position;

[0012] The upper pressing assembly is slidably connected to the upper slide rail, and the lower stop assembly is slidably connected to the lower slide rail.

[0013] Furthermore, the bottom plate is provided with a discharge port, the discharge port is directly opposite to the tread extrusion gap, a lower pad is provided at the lower side of the discharge port, side positioning blocks are provided on both sides of the lower pad, and the distance between the two side positioning blocks is consistent with the width of the extrusion die.

[0014] Furthermore, ejection holes are provided on both sides of the discharge port, and an ejection rod of the ejection component can be ejected from the ejection holes;

[0015] When the ejection rod of the ejection component is ejected from the ejection hole, the extrusion die can be ejected from the lower cushion block.

[0016] Furthermore, the mold pressing assembly includes a rotating shaft, which is rotatably connected to a lower pressing plate and an upper pressing plate, the upper pressing plate is movably plugged into the rotating shaft, and a handle is provided on the side of the lower pressing plate and the upper pressing plate away from the rotating shaft.

[0017] Furthermore, the upper pressing plate is provided with a tread outlet hole, the tread outlet hole is directly opposite to the tread extrusion gap, and a pressing slope is provided on the side of the upper end of the upper pressing plate away from the extrusion die.

[0018] Furthermore, the upper pressing assembly includes an upper pressing power component, the output end of the upper pressing power component is connected to the upper pressing block, upper slide grooves are arranged on both sides of the upper pressing block, and an upper inclined surface is arranged on one side of the upper pressing block close to the upper pressing plate. When the upper pressing block is pressed downward, the upper inclined surface is fitted with the pressing inclined surface.

[0019] Furthermore, the lower block assembly includes a lower block power component, which is connected to a lower block. Lower sliding grooves are provided on both sides of the lower block. A lower inclined surface is provided on the upper end of the lower block close to the extrusion die, and the plane connected below the lower inclined surface is parallel to the side of the extrusion die.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] 1. An extrusion die detachably connected to the bottom plate is provided, and a tread extrusion gap is provided on the extrusion die. The extrusion gap is set according to the size of the tread to be produced. When the equipment needs to produce treads of different thicknesses and widths, it is only necessary to replace the extrusion die. Since the size of the extrusion gap is directly processed by the machine tool, the accuracy of the extrusion gap size is guaranteed, thereby ensuring the accuracy of the tread, providing the most basic guarantee for the stability of subsequent tire production.

[0022] 2. A mold pressing assembly, an upper pressing assembly and a lower blocking assembly are provided. When replacing the extrusion mold, it is only necessary to operate the upper pressing assembly and the lower blocking assembly so that they do not block the opening of the mold pressing assembly. Then, the mold pressing assembly is opened and the extrusion mold can be removed.

[0023] 3. A push-out component is also provided, which can push the extrusion die out from the middle of the side positioning block of the bottom plate, thereby solving the problem that the extrusion die is difficult to remove by hand because the extrusion die is pressed together with the bottom plate for a long time and the oil stains in production make the two more tightly adhered. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are used to provide a further understanding of the present invention and are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation of the present invention. In the accompanying drawings:

[0025] Figure 1 It is a general schematic diagram of the tread pressing device of an embodiment of the utility model;

[0026] Figure 2 This is an open view of a mold pressing assembly of a tread extrusion device according to an embodiment of the utility model;

[0027] Figure 3 A perspective view of a tread extrusion device according to an embodiment of the utility model;

[0028] Figure 4 It is a schematic diagram of an explosion of a tread pressing device according to an embodiment of the utility model;

[0029] Figure 5 This is an exploded schematic diagram of the base, bottom plate and ejection component of an embodiment of the utility model;

[0030] Figure 6 This is a schematic diagram of the installation of the base and bottom plate of an embodiment of the utility model;

[0031] Figure 7 It is a first side view of the upper pressing assembly, the lower stop assembly and the mold pressing assembly of the embodiment of the utility model;

[0032] Figure 8It is a second side view of the upper pressing assembly, the lower stop assembly and the mold pressing assembly of an embodiment of the utility model.

[0033] In the figure:

[0034] 1. Base; 101. Mold installation position; 102. Upper slide rail; 103. Lower slide rail; 2. Bottom plate; 201. Lower pad; 202. Side positioning block; 203. Discharge port; 204. Push-out hole; 3. Push-out component; 4. Upper pressure assembly; 401. Upper pressure power component; 402. Upper pressure block; 4021. Upper slide groove; 4022. Upper inclined surface; 5. Lower block assembly; 501. Lower block power component; 502. Lower block; 5021. Lower slide groove; 5022. Lower inclined surface; 6. Extrusion mold; 601. Tread extrusion gap; 7. Mold pressing assembly; 701. Rotating shaft; 702. Lower pressure plate; 703. Upper pressure plate; 7031. Tread outlet hole; 7032. Pressing inclined surface; 704. Handle. DETAILED DESCRIPTION

[0035] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0036] like Figures 1 to 8 As shown, a tread extrusion device includes a base 1, a bottom plate 2 is arranged on the base 1, an extrusion die 6 is detachably connected to one side of the bottom plate 2, and the extrusion die 6 is provided with a tread extrusion gap 601; when the tread is produced, the extrusion gap 601 is set according to the size of the tread to be produced, and the extrusion gap 601 can be directly processed on the extrusion die 6 by a machine tool, thereby ensuring the accuracy of the size of the extrusion gap 601, when the equipment needs to produce treads of different thicknesses and widths, it only needs to replace the extrusion die 6, thereby ensuring the accuracy of the tread, and providing the most basic guarantee for the stability of subsequent tire production.

[0037] The base 1 includes a mold mounting position 101, a bottom plate 2 is arranged in the mold mounting position 101, upper slide rails 102 are arranged on both sides of the mold mounting position 101, lower slide rails 103 are arranged on both sides below the mold mounting position 101, a mold pressing assembly 7 is hinged to one side of the mold mounting position 101, a mold pressing assembly 7 is arranged on the side of the extrusion mold 6 away from the bottom plate 2, an upper pressing assembly 4 and a lower stop assembly 5 are arranged on the side of the mold pressing assembly 7 away from the extrusion mold 6, the upper pressing assembly 4 is slidably connected to the upper slide rail 102, and the lower stop assembly 5 is slidably connected to the lower slide rail 103. When replacing the extrusion mold 6, it is only necessary to operate the upper pressing assembly 4 and the lower stop assembly 5 so that they do not block the opening of the mold pressing assembly 7, and then open the mold pressing assembly 7 to remove the extrusion mold.

[0038] A push-out component 3 is provided on one side of the bottom plate 2 away from the extrusion die 6. In this embodiment, the push-out component 3 can be a cylinder or an oil cylinder. The bottom plate 2 is provided with a discharge port 203, and the discharge port 203 is directly opposite to the tread extrusion gap 601. A lower pad 201 is provided on the lower side of the discharge port 203. Side positioning blocks 202 are provided on both sides of the lower pad 201. The distance between the two side positioning blocks 202 is consistent with the width of the extrusion die 6. After the extrusion die 6 is on the lower pad 201, one side of the extrusion die 6 is prevented from being squeezed by the upper pressure component 4 and the lower pressure component 4. Due to the limitation of the blocking component 5, the other side of the extrusion die 6 will be in close contact with one side of the bottom plate 2 during the production and processing. Since some oil stains will be generated during production, it will be difficult to remove the extrusion die 6 from the bottom 2. Push-out holes 204 are provided on both sides of the discharge port 203, and the push-out rod of the push-out component 3 can be pushed out from the push-out hole 204; therefore, the extrusion die 6 can be pushed out from the middle of the side positioning block of the bottom plate, which solves the problem that the extrusion die 6 is difficult to remove by hand due to being pressed together with the bottom plate 2 for a long time.

[0039] The mold pressing assembly 7 includes a rotating shaft 701, which is rotatably connected to a lower pressure plate 702 and an upper pressure plate 703. The upper pressure plate 703 is movably plugged into the rotating shaft 701. A handle 704 is provided on the side of the lower pressure plate 702 and the upper pressure plate 703 away from the rotating shaft 701. The handle 704 facilitates manual opening of the lower pressure plate 702 and the upper pressure plate 703.

[0040] The upper pressure plate 703 is provided with a tread outlet hole 7031, and the tread outlet hole 7031 is opposite to the tread extrusion gap 601. A pressing slope 7032 is provided on the side of the upper end of the upper pressure plate 703 away from the extrusion die 6. The upper pressure assembly 4 includes an upper pressure power component 401, and the output end of the upper pressure power component 401 is connected to the upper pressure block 402. Upper slide grooves 4021 are provided on both sides of the upper pressure block 402. An upper slope 4022 is provided on the side of the upper pressure block 402 close to the upper pressure plate 703. When the upper pressure block 402 is pressed down, the upper pressure block 402 squeezes the upper pressure plate 703 toward the extrusion die 6, and the upper slope 4022 fits with the pressing slope 7032.

[0041] The lower block assembly 5 includes a lower block power component 501, which is connected to the lower block 502. Lower sliding grooves 5021 are arranged on both sides of the lower block 502. A lower inclined surface 5022 is arranged on the upper end of the side of the lower block 502 close to the extrusion die 6. The plane connected below the lower inclined surface 5022 is parallel to the side of the extrusion die 6. The lower inclined surface 5022 prevents the lower block 502 from colliding with the extrusion die 6 when it rises, so that the lower block 502 can rise more smoothly.

[0042] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tread extrusion device, characterized in that: It comprises a base (1), a bottom plate (2) is arranged on the base (1), an extrusion die (6) is detachably connected to one side of the bottom plate (2), and the extrusion die (6) is provided with a tread extrusion gap (601); A pushing component (3) is provided on a side of the bottom plate (2) away from the extrusion die (6); A die pressing assembly (7) is provided on a side of the extrusion die (6) away from the bottom plate (2), and an upper pressing assembly (4) and a lower stop assembly (5) are provided on a side of the die pressing assembly (7) away from the extrusion die (6).

2. The tread extrusion device according to claim 1, characterized in that: The base (1) comprises a mold installation position (101), a bottom plate (2) is arranged in the mold installation position (101), upper slide rails (102) are arranged on both sides of the mold installation position (101), and lower slide rails (103) are arranged on both sides below the mold installation position (101).

3. The tread extrusion device according to claim 2, characterized in that: The mold pressing assembly (7) is hingedly connected to one side of the mold mounting position (101); The upper pressing assembly (4) is slidably connected to the upper slide rail (102), and the lower blocking assembly (5) is slidably connected to the lower slide rail (103).

4. The tread extrusion device according to claim 1, characterized in that: The bottom plate (2) is provided with a discharge port (203), the discharge port (203) is directly opposite to the tread extrusion gap (601), a lower pad (201) is provided at the lower side of the discharge port (203), side positioning blocks (202) are provided on both sides of the lower pad (201), and the distance between the two side positioning blocks (202) is consistent with the width of the extrusion die (6).

5. The tread extrusion device according to claim 4, characterized in that: Push-out holes (204) are provided on both sides of the discharge port (203), and a push-out rod of the push-out component (3) can be pushed out from the push-out holes (204); The ejection rod of the ejection component (3) can eject the extrusion die (6) from the lower cushion block (201) when ejecting from the ejection hole (204).

6. The tread extrusion device according to any one of claims 3 to 5, characterized in that: The mold pressing assembly (7) comprises a rotating shaft (701), the rotating shaft (701) being rotatably connected to a lower pressing plate (702) and an upper pressing plate (703), the upper pressing plate (703) being movably plugged into the rotating shaft (701), and a handle (704) is provided on the side of the lower pressing plate (702) and the upper pressing plate (703) away from the rotating shaft (701).

7. The tread extrusion device according to claim 6, characterized in that: The upper pressing plate (703) is provided with a tread outlet hole (7031), the tread outlet hole (7031) is directly opposite to the tread extrusion gap (601), and a pressing inclined surface (7032) is provided on a side of the upper end of the upper pressing plate (703) away from the extrusion die (6).

8. The tread extrusion device according to claim 7, characterized in that: The upper pressing assembly (4) comprises an upper pressing power component (401), the output end of the upper pressing power component (401) is connected to an upper pressing block (402), upper slide grooves (4021) are arranged on both sides of the upper pressing block (402), and an upper inclined surface (4022) is arranged on one side of the upper pressing block (402) close to the upper pressing plate (703), and when the upper pressing block (402) is pressed downward, the upper inclined surface (4022) fits with the pressing inclined surface (7032).

9. The tread extrusion device according to claim 8, characterized in that: The lower block assembly (5) comprises a lower block power component (501), the lower block power component (501) is connected to a lower block (502), lower slide grooves (5021) are provided on both sides of the lower block (502), a lower inclined surface (5022) is provided on the upper end of a side of the lower block (502) close to the extrusion die (6), and a plane connected below the lower inclined surface (5022) is parallel to the side surface of the extrusion die (6).

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