High-precision rim machining die

Abstract

The utility model discloses a high precision rim processing mould relates to tire manufacturing technical field, including upper template, lower template, lower seat, upper positioner, upper mould, lower fixed plate and lower mould, lower template is provided the top end of lower seat, the top end of lower template is provided with the lower fixed plate, the top end of lower fixed plate is provided with the slider, the slider is provided with the upper positioner, the upper mould is provided with the lower fixed plate, the lower positioner is provided with the upper mould, the lower mould is provided with the lower fixed plate, and the lower mould is provided with the lower fixed plate. According to the high-precision positioning device, the guide sleeve is arranged at the lower end of the upper die plate, the guide column is arranged at the bottom end of the lower die plate, the guide sleeve and the guide column are used in a matched mode, accurate alignment of the upper die and the lower die in the die assembly process can be guaranteed, the die assembly efficiency is improved, and the production cost is reduced. The machining precision is improved. And the upper positioning part is connected with the upper die plate through the spring, and the guide rod is arranged, so that the upper positioning part can stably position the workpiece in the working process, and the machining precision and stability are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire manufacturing technical field especially relates to a high accuracy rim processing die. BACKGROUND

[0002] In the rim processing field, with the continuous development of automobile, motorcycle and other traffic tool industry, the precision requirement for the rim is higher and higher. In the processing process of the traditional rim processing die, there may be problems such as inaccurate positioning, difficult to guarantee the processing precision, insufficient structural stability, etc., leading to the uneven quality of the produced rim, which cannot meet the market demand for high-precision rim. Moreover, the traditional die may have defects such as low efficiency, short service life of the die, etc., increasing the production cost. Therefore, a high-precision rim processing die capable of improving the rim processing precision, guaranteeing the processing quality, improving the production efficiency and having a long service life is needed. SUMMARY

[0003] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-precision rim processing die, wherein the upper die plate, the lower die plate, the lower seat, the upper positioning, the upper die, the lower fixed plate and the lower die are provided, the lower die plate is arranged at the top end of the lower seat, the top end of the lower die plate is provided with the lower fixed plate, the top end of the lower fixed plate is provided with the sliding block, the top end of the sliding block is provided with the sliding block cover plate, the oil cylinder is arranged on the lower seat, the output end of the oil cylinder penetrates the top end of the lower seat, the center positions of the lower die plate, the lower fixed plate, the sliding block and the sliding block cover plate are provided with through holes, the position of the through hole is vertically provided with the cone, the top end of the cone is provided with the lower die, the lower die is a T-shaped structure, the outer side of the lower die is provided with the gasket, the bottom end of the lower die is provided with the adjusting ring, the bottom end of the adjusting ring is provided with the heightening seat, the heightening seat is movably arranged at the top end of the sliding block cover plate, the bottom end of the upper die plate is provided with the upper die, and the outer ring of the upper die is sleeved with the upper positioning.

[0004] Preferably, the lower end of the upper die plate is provided with a guide sleeve, and the bottom end of the lower die plate is provided with a guide column used in cooperation with the guide sleeve.

[0005] The outer side of the sliding block is sleeved with the expansion ear.

[0006] Preferably, the lower fixed plate is provided with a spring seat, and the spring seat is fixed on one side of the lower fixed plate through bolts.

[0007] Preferably, the upper end of the lower fixed plate is provided with a cylindrical guide block, the upper end of the cylindrical guide block is located at the bottom end of the sliding seat cover plate, the cylindrical guide block is provided with an ejection rod, the sliding seat cover plate is provided with a through hole matched with the ejection rod, and the top end of the ejection rod is connected with the heightening seat.

[0008] The upper positioning is connected with the upper die plate through a spring, a through hole is vertically formed in the upper positioning, a guide rod is arranged at the position of the through hole, and the top end of the guide rod is fixed on the upper die plate.

[0009] Beneficial effects: Compared with the prior art, the high-precision positioning: the lower end of the upper die plate is provided with a guide sleeve, the bottom end of the lower die plate is provided with a guide column, and the two are used in cooperation, so that the accurate alignment of the upper die and the lower die in the die closing process is ensured, and the machining precision is improved. The upper positioning is connected with the upper die plate through a spring, and a guide rod is arranged, so that the upper positioning can stably position the workpiece during work, further improving the machining precision and stability.

[0010] Good structural stability: the outer side of the sliding block is sleeved with an expansion ear, the structural strength and stability of the sliding block are increased, and the sliding block can better withstand pressure during machining. The lower fixed plate is provided with a spring seat and is fixed through a bolt, so that the structure of the lower fixed plate is more stable, and the stability of the entire mold is ensured.

[0011] Convenient to adjust and maintain: the bottom end of the lower die is provided with an adjusting ring, the height of the lower die can be conveniently adjusted through the adjusting ring to adapt to the machining requirements of different specifications of the rim. The heightening seat is movably arranged at the top end of the sliding block cover plate, the ejection rod is connected with the heightening seat, and after machining is completed, the machined rim can be conveniently ejected from the mold, which is convenient for subsequent operation and maintenance.

[0012] Improve production efficiency: the setting of the oil cylinder makes the opening and closing of the mold more automatic, and improves the production efficiency. Moreover, the structural design of the mold is reasonable, which can reduce the failure rate during machining, ensure the continuity of production, and improve the overall production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model.

[0014] In the drawings: 1-upper die plate, 2-lower die plate, 3-lower seat, 4-upper positioning, 5-upper die, 6-lower fixed plate, 7-lower die, 8-sliding block, 9-sliding block cover plate, 10-oil cylinder, 11-cone, 12-washer, 13-adjusting ring, 14-guide sleeve, 15-guide column, 16-expansion ear, 17-spring seat, 18-cylindrical guide block, 20-ejection rod, 21-heightening seat, 22-spring, 23-guide rod. DETAILED DESCRIPTION

[0015] The technical scheme of the patent will be further described in detail in combination with specific embodiments.

[0016] EMBODIMENT

[0017] Please refer to the accompanying drawings, the utility model discloses a kind of high-precision rim processing mould in the embodiment, wherein, upper die plate 1, lower die plate 2, lower seat 3, upper positioning 4, upper die 5, lower fixed plate 6 and lower die 7, the lower die plate 2 is arranged at the top of the lower seat 3, the top of the lower die plate 2 is provided with the lower fixed plate 6, the top of the lower fixed plate 6 is provided with sliding block 8, the top of the sliding block 8 is provided with sliding block cover plate 9, oil cylinder 10 is provided on the lower seat 3, the output end of the oil cylinder 10 penetrates the top of lower seat 3, the center position of the lower die plate 2, lower fixed plate 6, sliding block 8 and sliding block cover plate 9 is provided with through hole, the position of the through hole is vertically provided with cone 11, the top of the cone 11 is provided with lower die 7, the lower die 7 is T-shaped structure, the outside of the lower die 7 is provided with gasket 12, the bottom of the lower die 7 is provided with adjusting ring 13, the bottom of the adjusting ring 13 is provided with heightening seat 21, the heightening seat 21 is movably arranged at the top of sliding block cover plate 9, the bottom of the upper die plate 1 is provided with upper die 5, the outer ring of the upper die 5 is provided with upper positioning 4.

[0018] Further, the lower end of the upper die plate 1 is provided with a guide sleeve 14, and the bottom end of the lower die plate 2 is provided with a guide column 15 used in cooperation with the guide sleeve 14.

[0019] Further, the outside of the sliding block 8 is provided with an expansion ear 16.

[0020] Further, the lower fixed plate 6 is provided with a spring seat 17, and the spring seat 17 is fixed on one side of the lower fixed plate 6 through a bolt.

[0021] Further, the upper end of the lower fixed plate 6 is provided with a cylindrical guide block 18, the upper end of the cylindrical guide block 18 is located at the bottom end of the sliding seat cover plate 9, the cylindrical guide block 18 is provided with an ejection rod 20, the sliding seat cover plate 9 is provided with a through hole matched with the ejection rod 20, and the top end of the ejection rod 20 is connected with the heightening seat 21.

[0022] Further, the upper positioning 4 is connected with the upper die plate 1 through a spring 22, a through hole is vertically formed in the upper positioning 4, a guide rod 23 is arranged at the position of the through hole, and the top end of the guide rod 23 is fixed on the upper die plate 1.

[0023] Working principle: first, the upper die plate drives the upper die to move upwards, the rim is placed into the lower die plate, the expansion ear is used for fixing, then the mechanical hand is used to put the spoke, then the lower die plate moves downwards, the mold pressing work is carried out, after the mold pressing is completed, the upper die plate moves upwards, and the workpiece can be taken out.

[0024] To sum up, the utility model discloses the lower end of upper template sets up guide sleeve, the bottom of lower template sets up guide column, both cooperation uses, can guarantee the accurate alignment of upper die and lower die in the process of closing mould, improves the machining precision. The spring is connected between the upper positioning and the upper template, and a guide rod is arranged, so that the upper positioning can stably position the workpiece during the working process, further improving the machining precision and stability. The outer side of the sliding block is sleeved with an expanding ear, which increases the structural strength and stability of the sliding block and can better withstand pressure during the machining process. The lower fixing plate is provided with a spring seat and fixed by a bolt, so that the structure of the lower fixing plate is more stable, ensuring the stability of the whole mould. The bottom of the lower die is provided with an adjusting ring, and the height of the lower die can be conveniently adjusted through the adjusting ring to adapt to the machining requirements of different specifications of the rim. The heightening seat is movably arranged at the top of the sliding block cover plate, and the ejector rod is connected with the heightening seat, which can conveniently eject the machined rim from the mould after machining, facilitating subsequent operation and maintenance. The setting of the oil cylinder makes the opening and closing of the mould more automatic, improving the production efficiency. Moreover, the structure of the mould is reasonably designed, which can reduce the failure rate during the machining process, ensure the continuity of production, and thus improve the overall production efficiency.

[0025] The above is only the preferred embodiment of the utility model, and it should be pointed out that for those skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which should also be considered as the protection range of the utility model, and these will not affect the effect and practicability of the utility model.

[0026] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "vertical", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, structure and operation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0027] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

Claims

1. A high-precision wheel rim machining mold, characterized in that: The upper template (1), lower template (2), lower base (3), upper positioning (4), upper mold (5), lower fixing plate (6), and lower mold (7) are arranged. The lower template (2) is located at the top of the lower base (3). The lower fixing plate (6) is located at the top of the lower template (2). The slider (8) is located at the top of the lower fixing plate (6). The slider (8) is located at the top of the slider cover plate (9). The lower base (3) is equipped with a hydraulic cylinder (10). The output end of the hydraulic cylinder (10) passes through the top of the lower base (3). The lower template (2), lower fixing plate (6), slider (8), and lower mold (7) are arranged in a series of components. A through hole is provided at the center of the slider cover plate (9). A cone (11) is vertically arranged at the position of the through hole. A lower mold (7) is provided at the top of the cone (11). The lower mold (7) has a T-shaped structure. A washer (12) is provided on the outside of the lower mold (7). An adjusting ring (13) is provided at the bottom of the lower mold (7). A heightening seat (21) is provided at the bottom of the adjusting ring (13). The heightening seat (21) is movably arranged at the top of the slider cover plate (9). An upper mold (5) is provided at the bottom of the upper template (1). An upper positioning (4) is sleeved on the outer ring of the upper mold (5).

2. The high-precision wheel rim machining mold according to claim 1, characterized in that: The lower end of the upper template (1) is provided with a guide sleeve (14), and the bottom end of the lower template (2) is provided with a guide post (15) for use with the guide sleeve (14).

3. The high-precision wheel rim machining mold according to claim 1, characterized in that: The slider (8) is fitted with an expansion ear (16) on its outer side.

4. The high-precision wheel rim machining mold according to claim 1, characterized in that: A spring seat (17) is provided on the lower fixing plate (6), and the spring seat (17) is fixed to one side of the lower fixing plate (6) by bolts.

5. A high-precision wheel rim machining mold according to claim 1, characterized in that: The upper end of the lower fixed plate (6) is provided with a cylindrical guide block (18), the upper end of the cylindrical guide block (18) is located at the bottom end of the slide cover plate (9), the cylindrical guide block (18) is provided with an ejector rod (20), the slide cover plate (9) is provided with a through hole for matching the ejector rod (20), and the top end of the ejector rod (20) is connected to the heightening seat (21).

6. A high-precision wheel rim machining mold according to claim 1, characterized in that: The upper positioning (4) and the upper template (1) are connected by a spring (22). The upper positioning (4) has a vertical through hole, and a guide rod (23) is provided at the position of the through hole. The top end of the guide rod (23) is fixed on the upper template (1).

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