Semi-closed space deep hole forming device

Abstract

The utility model discloses a semi-closed space deep hole forming device which comprises a deep hole forming frame, an aluminum alloy structural part and an upper frame face, the lower end of the deep hole forming frame is in bolted connection with the aluminum alloy structural part, the upper end of the deep hole forming frame is fixedly connected with the upper frame face, and a rectangular opening end is formed in the inner side of the upper frame face. Structural part opening ends are formed in the inner side of the deep hole forming frame at equal angles, a forming assembly is arranged on the inner side of the deep hole forming frame, and the forming assembly comprises a connecting plate, a lengthening rod, a copper electrode, a fastening nut and a fastening screw. The semi-closed space deep hole forming device effectively solves the machining problem that a machining center cannot conduct machining due to the fact that the machining position of a semi-closed structural part is narrow, the structural position of a to-be-machined hole is fully considered in design, four tool motors are designed, the machining efficiency is improved while the machining quality is guaranteed, and the machining cost is reduced. And the process is simple and easy to understand, the assembly operation is simple and convenient, and the efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy structural part processing, in particular to a deep hole forming device for a semi-closed space. Background Technique

[0002] The deep hole forming device is a special mechanical equipment for processing deep holes, which has a wide range of applications in multiple industrial fields, such as the automotive, aviation, hydraulic, and mold industries. The deep hole forming device for a semi-closed space aims to solve the problems of difficult deep hole processing, difficult chip removal, and inconvenient cooling and lubrication in a semi-closed space. By integrating multiple functional modules, efficient and precise deep hole processing can be achieved.

[0003] The existing external dimensions of the aluminum alloy structural part belong to a medium-sized frame structure, which is a support body for other components. It has a large volume, irregular shape, and the structural part is a two-layer frame structure. There are 4 rectangular cable through holes at the middle partition plate. Due to the small space distance and the semi-closed structure of the structural part, the cutting tool of the machining center cannot reach the machining position, resulting in the inability to machine the shape at this place and unable to meet the cable wiring requirements of the product.

[0004] In view of the above problems, it is urgent to innovate and design on the basis of the original structure of the deep hole forming device for a semi-closed space. Content of the Utility Model

[0005] The purpose of the utility model is to provide a deep hole forming device for a semi-closed space, so as to solve the problems mentioned in the above background technique that the processing space distance of the aluminum alloy structural part is small, and the structural part is a semi-closed structure, resulting in the inability of the cutting tool of the machining center to reach the machining position, the shape at this place cannot be machined, and the cable wiring requirements of the product cannot be met.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A deep hole forming device for a semi-closed space, including a deep hole forming frame, an aluminum alloy structural part, and an upper frame surface. The lower end of the deep hole forming frame is bolted to the aluminum alloy structural part, and the upper end of the deep hole forming frame is fixedly connected to the upper frame surface. Moreover, a rectangular opening end is provided inside the upper frame surface. The structural part opening ends are equiangularly arranged inside the deep hole forming frame, and a forming assembly is arranged inside the deep hole forming frame; the forming assembly includes a connecting plate, an extension rod, a copper electrode, a fastening nut, and a fastening screw; the connecting plate is arranged at the upper end of the aluminum alloy structural part, the extension rod is connected to the connecting plate through the fastening nut, and the extension rod penetrates inside the rectangular opening end. The copper electrode is fixedly installed at the bottom of the connecting plate through the fastening screw, and there are four groups of copper electrodes equiangularly distributed with respect to the center of the connecting plate.

[0007] Preferably, the connecting plate is designed as a hollowed-out aluminum plate; the flatness of the upper and lower planes of the bottom plate of this structure is relatively high, ensuring the horizontal positioning accuracy of the tool electrode, and the hollowed-out design reduces the weight, minimizing the impact of its own weight on the machining accuracy.

[0008] Preferably, according to the hole positions of the aluminum alloy structural parts, the connecting plate is designed with 4 groups of through holes for fastening screws to position the copper electrode; this structure can ensure the relative position accuracy between the electrodes.

[0009] Preferably, a threaded through hole is designed at the center of the shape of the connecting plate for connecting the extension rod.

[0010] Preferably, the extension rod is designed as a 300-mm-long steel bar, and one end of the extension rod is designed as a cylinder for connecting with the main shaft of the electric discharge machining equipment.

[0011] Preferably, the other end of the extension rod is designed as a threaded rod for fastening the extension rod and the connecting plate after being matched with a fastening nut.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The semi-closed space deep hole forming device effectively solves the processing problem that the machining center cannot process due to the cramped machining position of the semi-closed structural parts.

[0014] 2. The semi-closed space deep hole forming device fully considers the structural position of the hole to be machined in the design, and designs 4 tool motors, ensuring the machining quality and improving the machining efficiency at the same time.

[0015] 3. The semi-closed space deep hole forming device only needs to be aligned once, and the process is simple and easy to understand, the assembly operation is simple, and the efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic perspective view of the overall structure of the present utility model;

[0017] Figure 2 is a schematic top view of the overall structure of the present utility model;

[0018] Figure 3 is a schematic front view of the overall structure of the present utility model;

[0019] Figure 4 is a schematic perspective view of the connecting plate of the present utility model;

[0020] Figure 5 is a schematic perspective view of the forming assembly of the present utility model.

[0021] In the figure: 1. Deep hole forming frame; 2. Aluminum alloy structural member; 3. Upper frame surface; 301. Rectangular open end; 4. Structural member open end; 5. Forming assembly; 501. Connecting plate; 502. Extension rod; 503. Copper electrode; 504. Fastening nut; 505. Fastening screw. Detailed implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1 - 5 , the present invention provides a technical solution: a semi-closed space deep hole forming device, including: a deep hole forming frame 1, an aluminum alloy structural member 2 and an upper frame surface 3. The lower end of the deep hole forming frame 1 is bolted to the aluminum alloy structural member 2, and the upper end of the deep hole forming frame 1 is fixedly connected to the upper frame surface 3. And a rectangular open end 301 is provided inside the upper frame surface 3. Structural member open ends 4 are provided at equal angles inside the deep hole forming frame 1, and a forming assembly 5 is provided inside the deep hole forming frame 1;

[0024] The forming assembly 5 includes a connecting plate 501, an extension rod 502, a copper electrode 503, a fastening nut 504 and a fastening screw 505; the connecting plate 501 is arranged at the upper end of the aluminum alloy structural member 2. The extension rod 502 is connected to the connecting plate 501 through the fastening nut 504, and the extension rod 502 penetrates inside the rectangular open end 301. The copper electrode 503 is fixedly installed at the bottom of the connecting plate 501 through the fastening screw 505, and four groups of copper electrodes 503 are distributed at equal angles with respect to the center of the connecting plate 501;

[0025] The connecting plate 501 is designed as a hollowed-out aluminum plate; the connecting plate 501 is designed with 4 groups of fastening screw through holes according to the hole positions of the aluminum alloy structural member 2 for positioning the copper electrode 503; a threaded through hole is designed at the center of the shape of the connecting plate 501 for connecting the extension rod 502; the extension rod 502 is designed as a 300 mm long steel bar, and one end of the extension rod is designed as a cylinder for connecting to the main shaft of the electric discharge machining equipment; the other end of the extension rod 502 is designed as a threaded rod for cooperating with the fastening nut 504 to fasten the extension rod 502 and the connecting plate 501;

[0026] When this structure is in use, first place the rectangular opening end 301 of the upper frame surface 3 of the deep hole forming frame 1 upward, and fasten the other end surface to the workbench; first insert the connecting plate 501 (with 4 copper electrodes 503) from the opening end 4 of the structural member, pass the extension rod 502 through the rectangular opening end 301, and then use the M16 fastening nut 504 to pre-tighten the connecting plate 501 on the extension rod 502; align the connecting plate 501, and after determining that its relative position with the aluminum alloy structural member 2 is accurate, tighten the M16 fastening nut 504. During processing, rely on the up and down movement of the machine tool spindle to drive the entire device to perform electrical discharge machining of 4 rectangular holes.

[0027] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A deep hole forming device for a semi-closed space, comprising a deep hole forming frame (1), an aluminum alloy structural member (2), and an upper frame surface (3), characterized in that: The lower end of the deep hole forming frame (1) is bolted to an aluminum alloy structural member (2), and the upper end of the deep hole forming frame (1) is fixedly connected to an upper frame surface (3). A rectangular opening end (301) is provided inside the upper frame surface (3). Structural member opening ends (4) are equiangularly provided inside the deep hole forming frame (1), and a forming assembly (5) is provided inside the deep hole forming frame (1). The forming assembly (5) includes a connecting plate (501), an extension rod (502), a copper electrode (503), a fastening nut (504), and a fastening screw (505). The connecting plate (501) is arranged at the upper end of the aluminum alloy structural member (2). The extension rod (502) is connected to the connecting plate (501) through the fastening nut (504), and the extension rod (502) penetrates inside the rectangular opening end (301). The copper electrode (503) is fixedly installed at the bottom of the connecting plate (501) through the fastening screw (505), and four groups of copper electrodes (503) are equiangularly distributed about the center of the connecting plate (501).

2. The semi-closed space deep hole forming device according to claim 1, wherein: The connecting plate (501) is designed as a hollowed-out aluminum plate.

3. The deep hole forming device for a semi-closed space according to claim 1, characterized in that: According to the hole positions of the aluminum alloy structural member (2), the connecting plate (501) is designed with 4 groups of through holes for the fastening screws (505) to position the copper electrodes (503).

4. A semi-closed space deep hole forming device according to claim 1, characterized in that: A threaded through hole is designed at the center of the shape of the connecting plate (501) for connecting the extension rod (502).

5. A semi-closed space deep hole forming device according to claim 1, characterized in that: The extension rod (502) is designed as a 300 mm long steel bar. One end of the extension rod is designed as a cylinder for connecting to the main shaft of the electric discharge machining equipment.

6. The semi-closed space deep hole forming device according to claim 1, characterized in that: The other end of the extension rod (502) is designed as a threaded rod for cooperating with the fastening nut (504) to fasten the extension rod (502) and the connecting plate (501).

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