Positioning tool for finish machining of aluminum alloy casting

Abstract

The utility model relates to the technical field of aluminum alloy casting finish machining, and discloses a positioning tool for aluminum alloy casting finish machining, a fixing plate is installed at the end face position of the upper surface of a positioning table, a clamping plate is further installed on the upper surface of the positioning table in a sliding mode, first fixing rods are symmetrically arranged on one side of the fixing plate, and second fixing rods are symmetrically arranged on the other side of the fixing plate. A first adjusting rod is arranged at one end of the first fixing rod in a penetrating mode, a positioning hole is formed in one side of the clamping plate, and one end of the first adjusting rod is embedded into the positioning hole. And pressing mechanisms are arranged on the upper surfaces of the fixing plate and the clamping plate. An electric push rod in a first fixing rod works to enable a clamping plate to move on a positioning table, namely, a moving block on the lower surface of the clamping plate moves in a moving groove, so that an aluminum alloy casting placed on the positioning table can be automatically clamped and positioned, the stability of the aluminum alloy casting is guaranteed, and the working efficiency of the aluminum alloy casting is improved. And the finish machining operation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of finish machining of aluminum alloy castings, in particular to a positioning tooling for finish machining of aluminum alloy castings. Background Technique

[0002] Aluminum alloy castings are a kind of alloy casting material processed from high-quality aluminum ingots through processes such as melting, rolling, and forging. They have the characteristics of light weight, high strength, strong durability, and strong thermal conductivity, making aluminum alloy castings widely used. During the production of aluminum alloy castings, finish machining is indispensable. When performing finish machining, a positioning tooling is required to position and clamp the aluminum alloy castings to ensure the stability of the aluminum alloy castings.

[0003] The Chinese patent discloses a positioning tooling for finish machining of aluminum alloy castings (authorization publication number CN215510054U). The patent technology facilitates the installation and fixation of the machined castings through the provided fixture, and facilitates the adjustment of the position of the castings through the provided first block and second block, facilitating the precise positioning of the butt joint position of the castings and improving the installation accuracy of aluminum alloy castings, thereby effectively improving the machining and assembly accuracy of aluminum alloy castings.

[0004] However, there are still deficiencies in view of this patent. Although the patent can position the aluminum alloy castings, it can be seen from the drawings of the patent that the patent can only press and position the upper surface of the aluminum alloy castings, and cannot clamp the two sides of the aluminum alloy castings, resulting in poor stability of its positioning and clamping, and further unable to machine the upper surface of the aluminum alloy castings. Therefore, those skilled in the art provide a positioning tooling for finish machining of aluminum alloy castings to solve the problems raised in the above background technique. Content of the Utility Model

[0005] The purpose of the utility model is to provide a positioning tooling for finish machining of aluminum alloy castings to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A positioning tooling for finish machining of aluminum alloy castings includes a positioning table. At the end face position of the upper surface of the positioning table, a fixing plate is installed, and a clamping plate is also slidably installed on the upper surface of the positioning table. On one side of the fixing plate, first fixing rods are symmetrically arranged. One end of the first fixing rod is provided with a first adjusting rod penetrating through it. A positioning hole is opened on one side of the clamping plate, and one end of the first adjusting rod is embedded inside the positioning hole;

[0008] The upper surfaces of the fixed plate and the clamping plate are both provided with pressing mechanisms. The pressing mechanism includes a second fixing rod passing through the upper surfaces of the fixed plate and the clamping plate. The upper end of the second fixing rod is provided with a second adjusting rod, and the upper end of the second adjusting rod is connected with a pressing plate.

[0009] As a further solution of the present utility model: Fixing holes are formed in the upper surfaces of the fixed plate and the clamping plate, and the lower end of the second fixing rod is embedded inside the fixing holes.

[0010] As a further solution of the present utility model: Mounting holes are formed on the outer side of the second fixing rod, and locking bolts are arranged on one side of the fixed plate and the clamping plate respectively. The end of the locking bolt is embedded inside the mounting hole and is in threaded connection with the mounting hole.

[0011] As a further solution of the present utility model: A limiting disc is arranged inside the second fixing rod at the lower end of the second adjusting rod, and an electric telescopic rod is arranged inside the second fixing rod. The telescopic end of the electric telescopic rod is connected to the lower end of the limiting disc.

[0012] As a further solution of the present utility model: A moving block is arranged on the lower surface of the clamping plate, and a moving groove for sliding with the moving block is formed on the upper surface of the positioning table.

[0013] As a further solution of the present utility model: Fixing bolts are arranged on the front surface and the rear surface of the clamping plate respectively. Connecting holes are formed on the outer part of the first adjusting rod. The end of the fixing bolt is embedded inside the connecting hole and is in threaded connection with the connecting hole.

[0014] As a further solution of the present utility model: An electric push rod is arranged inside the first fixing rod, and the telescopic end of the electric push rod is connected to one end of the first adjusting rod.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. When the electric push rod inside the first fixing rod works in the present utility model, the clamping plate will move on the positioning table, that is, the moving block on the lower surface of the clamping plate moves inside the moving groove, so as to automatically clamp and position the aluminum alloy casting placed on the positioning table, thereby ensuring the stability of the aluminum alloy casting and facilitating its precision machining operation. This setting has a simple structure, is convenient for installation and disassembly, and can realize the automatic positioning of the aluminum alloy casting, so as to facilitate the machining of the aluminum alloy casting.

[0017] 2. With the setting of the pressing mechanism in the present utility model, when the electric telescopic rod inside the second fixing rod works, the second adjusting rod will move inside the second fixing rod, and then the pressing plate can move downward to press the aluminum alloy casting on the positioning table, thereby improving the stability of the aluminum alloy casting, and it has good practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a structural schematic diagram of a positioning tooling for precision machining of aluminum alloy castings;

[0019] Figure 2 is a structural schematic diagram of the pressing mechanism in a positioning tooling for precision machining of aluminum alloy castings;

[0020] Figure 3 is Figure 2 an enlarged view of part A in

[0021] Figure 4 is a structural schematic diagram of the moving block in a positioning tooling for precision machining of aluminum alloy castings.

[0022] In the figure: 1, positioning table; 11, moving groove; 2, fixing plate; 21, first fixing rod; 22, first adjusting rod; 3, clamping plate; 31, moving block; 4, pressing mechanism; 41, pressing plate; 42, second fixing rod; 43, second adjusting rod; 431, limiting disc; 44, electric telescopic rod; 45, mounting hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model.

[0024] Therefore, the following detailed description of the embodiments of the present utility model is not intended to limit the scope of the present utility model to be protected, but merely represents some embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0025] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments may be combined with each other.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invention product is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, terms such as "first" and "second" are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0028] Embodiment 1:

[0029] As Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, this embodiment proposes a positioning tooling for the finish machining of aluminum alloy castings, including a positioning table 1. At the end position of the upper surface of the positioning table 1, a fixing plate 2 is installed, and a clamping plate 3 is also slidably installed on the upper surface of the positioning table 1. On one side of the fixing plate 2, first fixing rods 21 are symmetrically arranged. One end of the first fixing rod 21 is penetrated by a first adjusting rod 22. A positioning hole is opened on one side of the clamping plate 3, and one end of the first adjusting rod 22 is embedded inside the positioning hole. This setting utilizes the movement of the first adjusting rod 22 inside the first fixing rod 21, and then the movement of the clamping plate 3 towards the position of the fixing plate 2 can be realized, and then the purpose of clamping the aluminum alloy casting placed on the positioning table 1 can be achieved.

[0030] Pressing mechanisms 4 are arranged on the upper surfaces of both the fixing plate 2 and the clamping plate 3. The pressing mechanism 4 includes a second fixing rod 42 penetrating the upper surfaces of the fixing plate 2 and the clamping plate 3. The upper end of the second fixing rod 42 is penetrated by a second adjusting rod 43, and the upper end of the second adjusting rod 43 is connected to a pressing plate 41. This setting utilizes the movement of the second adjusting rod 43 inside the second fixing rod 42, and then the position of the pressing plate 41 can be adjusted, so as to press the upper surface of the aluminum alloy casting, thereby enhancing the stability of the aluminum alloy casting.

[0031] Embodiment 2:

[0032] The solution in Embodiment 1 will be further introduced below in combination with the specific working mode, as detailed in the following description:

[0033] As Figure 1 、 Figure 2 and Figure 3As shown, as a preferred embodiment, on the basis of the above method, further, fixing holes are provided on the upper surfaces of the fixing plate 2 and the clamping plate 3. The lower end of the second fixing rod 42 is embedded inside the fixing hole. Mounting holes 45 are provided on the outer side of the second fixing rod 42. On one side of the fixing plate 2 and the clamping plate 3, locking bolts are provided. The end of the locking bolt is embedded inside the mounting hole 45 and is threadedly connected to the mounting hole 45. This setting utilizes the threaded connection between the locking bolt and the mounting hole 45, so that the second fixing rod 42 can be fixed inside the fixing hole, realizing the installation of the second fixing rod 42.

[0034] As Figure 2 and Figure 3 shown, as a preferred embodiment, on the basis of the above method, further, a limiting disc 431 is provided inside the second fixing rod 42 at the lower end of the second adjusting rod 43. An electric telescopic rod 44 is provided inside the second fixing rod 42. The telescopic end of the electric telescopic rod 44 is connected to the lower end of the limiting disc 431. This setting utilizes the operation of the electric telescopic rod 44 to cause the second adjusting rod 43 to move inside the second fixing rod 42, and further can automatically adjust the position of the pressing plate 41 to press the aluminum alloy casting.

[0035] As Figure 4 shown, as a preferred embodiment, on the basis of the above method, further, a moving block 31 is provided on the lower surface of the clamping plate 3. A moving groove 11 that slidably mates with the moving block 31 is provided on the upper surface of the positioning table 1. This setting utilizes the movement of the moving block 31 inside the moving groove 11, and further can achieve the purpose of automatically adjusting the position of the clamping plate 3 to position the aluminum alloy casting.

[0036] As Figure 4 shown, as a preferred embodiment, on the basis of the above method, further, fixing bolts are provided on both the front surface and the rear surface of the clamping plate 3. Connecting holes are provided on the outside of the first adjusting rod 22. The end of the fixing bolt is embedded inside the connecting hole and is threadedly connected to the connecting hole. An electric push rod is provided inside the first fixing rod 21. The telescopic end of the electric push rod is connected to one end of the first adjusting rod 22. This setting utilizes the threaded connection between the fixing bolt and the connecting hole to fix the first adjusting rod 22, so that the first adjusting rod 22 can move inside the first fixing rod 21 when the electric push rod works subsequently, and further can adjust the position of the clamping plate 3 to position and clamp the aluminum alloy casting.

[0037] Embodiment 3:

[0038] The solutions in Embodiment 1 and Embodiment 2 will be further introduced below in combination with the specific working method. See the following description for details:

[0039] Specifically, when this positioning tooling for precision machining of aluminum alloy castings is in operation / use: First, place the aluminum alloy casting to be positioned for precision machining on the positioning table 1. After placement, the electric push rod inside the first fixing rod 21 works, causing the first adjusting rod 22 to move inside the first fixing rod 21, and making the clamping plate 3 move on the positioning table 1. That is, the moving block 31 on the lower surface of the clamping plate 3 moves inside the moving groove 11, thereby enabling the automatic clamping and positioning of the aluminum alloy casting placed on the positioning table 1, ensuring the stability of the aluminum alloy casting for its precision machining operations. At the same time, when the electric telescopic rod 44 inside the second fixing rod 42 works after clamping, this will cause the second adjusting rod 43 to move inside the second fixing rod 42, and then the pressing plate 41 can move downward to press the aluminum alloy casting on the positioning table 1, thus improving the stability of the aluminum alloy casting and having good practicability.

[0040] The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above respective embodiments, the present invention is not limited to the above specific implementation manners. Therefore, any modification or equivalent replacement to the present invention; and all technical solutions and their improvements that do not depart from the spirit and scope of the invention are covered by the scope of the claims of the present invention.

Claims

1. A positioning tooling for finish machining of aluminum alloy castings, comprising a positioning table (1), characterized in that, A fixing plate (2) is installed at the end face position of the upper surface of the positioning table (1), and a clamping plate (3) is also slidably installed on the upper surface of the positioning table (1). On one side of the fixing plate (2), first fixing rods (21) are symmetrically arranged. One end of the first fixing rod (21) is provided with a first adjusting rod (22) passing through it. A positioning hole is formed on one side of the clamping plate (3), and one end of the first adjusting rod (22) is embedded inside the positioning hole. Pressing mechanisms (4) are arranged on the upper surfaces of both the fixing plate (2) and the clamping plate (3). The pressing mechanism (4) includes a second fixing rod (42) passing through the upper surfaces of the fixing plate (2) and the clamping plate (3). A second adjusting rod (43) is provided at the upper end of the second fixing rod (42) passing through it, and a pressing plate (41) is connected to the upper end of the second adjusting rod (43).

2. The positioning tooling for finish machining of an aluminum alloy casting according to claim 1, wherein, Fixing holes are formed on the upper surfaces of both the fixing plate (2) and the clamping plate (3), and the lower end of the second fixing rod (42) is embedded inside the fixing hole.

3. The positioning tooling for finish machining of an aluminum alloy casting according to claim 1, characterized in that, An installation hole (45) is formed on the outer side of the second fixing rod (42). Locking bolts are arranged on one side of both the fixing plate (2) and the clamping plate (3), and the end of the locking bolt is embedded inside the installation hole (45) and is in threaded connection with the installation hole (45).

4. A positioning tooling for finish machining of an aluminum alloy casting according to claim 1, characterized in that, A limiting disc (431) is arranged inside the second fixing rod (42) at the lower end of the second adjusting rod (43). An electric telescopic rod (44) is arranged inside the second fixing rod (42), and the telescopic end of the electric telescopic rod (44) is connected to the lower end of the limiting disc (431).

5. A positioning tooling for finish machining of an aluminum alloy casting according to claim 1, characterized in that, A moving block (31) is arranged on the lower surface of the clamping plate (3), and a moving groove (11) for sliding with the moving block (31) is formed on the upper surface of the positioning table (1).

6. The positioning tooling for finish machining of an aluminum alloy casting according to claim 1, characterized in that, Fixing bolts are arranged on both the front surface and the rear surface of the clamping plate (3). A connection hole is formed on the outer side of the first adjusting rod (22), and the end of the fixing bolt is embedded inside the connection hole and is in threaded connection with the connection hole.

7. A positioning tooling for finish machining of an aluminum alloy casting according to claim 1, characterized in that, An electric push rod is arranged inside the first fixing rod (21), and the telescopic end of the electric push rod is connected to one end of the first adjusting rod (22).

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