Curved surface mounting plate machining tool

Abstract

The utility model relates to a curved surface mounting plate machining tool which comprises a curved surface positioning plate, a first positioning block, a second positioning block, a third positioning block and a fourth positioning block are installed on the periphery of the curved surface positioning plate respectively, and a first positioning pin and a fourth positioning pin are installed in the first positioning block and the fourth positioning block respectively. A first lining and a second lining are installed in the second positioning block and the third positioning block respectively, a second positioning pin and a third positioning pin are installed in the first lining and the second lining respectively, the middle of the curved surface positioning plate is a shockproof arc surface, and a pressing plate mechanism is installed on the curved surface positioning plate. The tool is large in positioning surface, simple in structure, light and convenient to operate, and the surface quality and the qualified rate of parts can be greatly improved by using the tool.

Description

Technical Field

[0001] The utility model belongs to the technical field of machining tooling and relates to a tooling for machining a curved surface mounting plate. Background Art

[0002] Curved mounting plates are widely used in various products. Due to their unusual shape and four suspended arms, existing six-point positioning fixtures lack rigidity, leading to severe surface chattering during milling and dimensional deviations in some areas. Replacing tools or adjusting machining parameters proved ineffective in resolving these issues. Summary of the Invention

[0003] The purpose of the utility model is to overcome the shortcomings of the existing technology and provide a tool for milling a cast stainless steel cantilever bracket to achieve the purpose of stable positioning, thereby minimizing chatter marks on the machined surface and improving the qualified rate and processing stability of the parts.

[0004] According to the technical solution provided by the utility model: a curved surface mounting plate processing tooling includes a curved surface positioning plate, a first positioning block, a second positioning block, a third positioning block, and a fourth positioning block are respectively installed around the curved surface positioning plate, a first positioning pin and a fourth positioning pin are respectively installed in the first positioning block and the fourth positioning block, a first bushing and a second bushing are respectively installed in the second positioning block and the third positioning block, a second positioning pin and a third positioning pin are respectively installed in the first bushing and the second bushing, the middle part of the curved surface positioning plate is a shock-proof arc surface, and a pressure plate mechanism is installed on the curved surface positioning plate.

[0005] As a further improvement of the present invention, a gap of 0.1-0.2 mm is left between the shockproof arc surface and the curved surface mounting plate.

[0006] As a further improvement of the present invention, a tool feeding cavity is provided in the middle of the curved positioning plate, and an avoidance groove communicating with the tool feeding cavity is provided in the shockproof arc surface.

[0007] As a further improvement of the present invention, the clamping mechanism includes a pressure plate, a stop bolt, and a pressure plate bolt. A stop countersunk hole and a clamping screw hole are provided on the top of the curved positioning plate. The stop bolt is inverted in the stop countersunk hole. The head of the stop bolt and the stop countersunk hole are clearance-fitted. The bottom of the pressure plate bolt is located in the clamping screw hole. A stop screw hole and a waist groove are provided on the pressure plate. The middle of the stop bolt is located in the stop screw hole, and the middle of the pressure plate bolt is located in the waist groove.

[0008] As a further improvement of the present invention, the first bushing and the second bushing are detachably mounted in the second positioning block and the third positioning block by means of bolts.

[0009] As a further improvement of the present invention, the first locating pin and the second locating pin are cylindrical and have a clearance fit with the holes of the curved mounting plate.

[0010] As a further improvement of the present invention, adjustment surfaces are provided on both sides of the second positioning pin and the third positioning pin.

[0011] The positive progress of this application is:

[0012] The utility model has a large positioning surface, a simple structure, is relatively light, and is easy to operate. Use of this tooling can greatly improve the surface quality and the qualified rate of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the present utility model.

[0014] Figure 2 It is a schematic diagram of the structure of the utility model when it is working.

[0015] Figure 1-Figure 2 It includes a curved positioning plate 3, a shock-proof arc surface 3-1, an avoidance groove 3-2, a tool feeding cavity 3-3, a first positioning block 4, a first positioning pin 5, a second positioning pin 6, a first bushing 7, a second positioning block 8, a third positioning block 9, a second bushing 10, a third positioning pin 11, a fourth positioning pin 12, a fourth positioning block 13, a pressure plate bolt 14, a pressure plate 15, a curved mounting plate 16, a stop bolt 17, etc. DETAILED DESCRIPTION

[0016] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0017] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0018] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate for the embodiments of the present invention described herein. In addition, similar terms such as "including" and "having" mean that in addition to those contents already listed in "including" and "having", other contents that have not been listed may also be "included" and "having"; for example, a process, method, system, product or device that may include a series of steps or units is not necessarily limited to those steps or units that have been clearly listed, but may include other steps or units that are not clearly listed or are inherent to these processes, methods, products or devices.

[0019] Due to the angle of the drawing, some components may not be drawn, but their positions and connection relationships can be partially understood based on the text.

[0020] like Figure 1 As shown, the utility model is a curved surface mounting plate processing tooling, including a curved surface positioning plate 3, on which a first positioning block 4, a second positioning block 8, a third positioning block 9, and a fourth positioning block 13 are respectively installed around the curved surface positioning plate 3, a first positioning pin 5 and a fourth positioning pin 12 are respectively installed in the first positioning block 4 and the fourth positioning block 13, a first bushing 7 and a second bushing 10 are respectively installed in the second positioning block 8 and the third positioning block 9, a second positioning pin 6 and a third positioning pin 11 are respectively installed in the first bushing 7 and the second bushing 10, a middle part of the curved surface positioning plate 3 is a shock-proof arc surface 3-1, and a pressure plate mechanism is installed on the curved surface positioning plate 3.

[0021] The opposing surfaces of the first positioning block 4 and the first bushing 7 and the opposing surfaces of the second positioning block 8 and the second bushing 10 are used to limit the lateral movement of the curved mounting plate.

[0022] A gap of 0.1-0.2 mm is left between the anti-vibration arc surface 3 - 1 and the curved mounting plate 16 , which reduces vibration during machining and controls machining accuracy without affecting the connection between the curved mounting plate 16 and the tooling.

[0023] In order to facilitate the processing of the inner side surface of the curved mounting plate 16, a tool feeding cavity 3-3 is opened in the middle of the curved positioning plate 3, and an avoidance groove 3-2 communicating with the shockproof arc surface 3-1 is opened in the arc surface 3-1.

[0024] The clamping mechanism includes a pressure plate 15, a stopping bolt 17, and a pressure plate bolt 14. A stopping countersunk hole and a clamping screw hole are provided on the top of the curved positioning plate 3. The stopping bolt 17 is inverted in the stopping countersunk hole. The head of the stopping bolt 17 and the stopping countersunk hole are clearance-fitted. The bottom of the pressure plate bolt 14 is located in the clamping screw hole. A stopping screw hole and a waist groove are provided on the pressure plate 15. The middle of the stopping bolt 17 is located in the stopping screw hole, and the middle of the pressure plate bolt 14 is located in the waist groove.

[0025] The first bushing 7 and the second bushing 10 are detachably mounted in the second positioning block 8 and the third positioning block 9 by means of bolts, so as to facilitate the connection between the curved surface mounting plate 16 and the curved surface positioning plate 3 .

[0026] In order to avoid over-positioning of the first locating pin 5 and the second locating pin 6, the third locating pin 11 and the fourth locating pin 12 with the curved mounting plate 16, the first locating pin 5 and the second locating pin 6 are cylindrical and have a clearance fit with the hole positions of the curved mounting plate 16; adjustment surfaces are provided on both sides of the third locating pin 11 and the fourth locating pin 12, allowing the third locating pin 11 and the fourth locating pin 12 to have an adjustment amount of 0.1-0.2mm in the hole positions of the curved mounting plate 16, thereby improving the rigidity during processing without affecting the positioning.

[0027] The working process of this utility model is as follows:

[0028] First, remove the clamping mechanism and the second locating pin 6, the first bushing 7, the second bushing 10, and the third locating pin 11, insert the side hole of the curved mounting plate 16 into the first locating pin 5 and the fourth locating pin 12, and the side of the curved mounting plate 16 against the first locating block 4 and the fourth locating block 13, install the second locating pin 6, the first bushing 7, the second bushing 10, and the third locating pin 11 in sequence, so that the other side hole of the curved mounting plate 16 is inserted into the second locating pin 6 and the third locating pin 11, and the other side of the curved mounting plate 16 is against the first bushing 7 and the second bushing 10, then install the stop bolt 17 and the pressure plate bolt 14, so that the pressure plate 15 presses the curved mounting plate 16, as shown in FIG. Figure 2 As shown, the final processing is carried out.

[0029] It is understood that the above embodiments are merely exemplary embodiments for illustrating the principles of the present invention, and the present invention is not limited thereto. Those skilled in the art may make various modifications and improvements without departing from the spirit and substance of the present invention, and such modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A curved surface mounting plate processing tool, comprising a curved surface positioning plate (3), characterized in that: A first positioning block (4), a second positioning block (8), a third positioning block (9), and a fourth positioning block (13) are respectively installed around the curved positioning plate (3); a first positioning pin (5) and a fourth positioning pin (12) are respectively installed in the first positioning block (4) and the fourth positioning block (13); a first bushing (7) and a second bushing (10) are respectively installed in the second positioning block (8) and the third positioning block (9); a second positioning pin (6) and a third positioning pin (11) are respectively installed in the first bushing (7) and the second bushing (10); a middle portion of the curved positioning plate (3) is a shockproof arc surface (3-1); and a pressure plate mechanism is installed on the curved positioning plate (3).

2. The curved surface mounting plate processing tool according to claim 1, characterized in that: A gap of 0.1-0.2 mm is left between the anti-vibration arc surface (3-1) and the curved surface mounting plate (16).

3. The curved surface mounting plate processing tool as claimed in claim 1, characterized in that: A tool-feeding cavity (3-3) is provided in the middle of the curved positioning plate (3), and an avoidance groove (3-2) communicating with the tool-feeding cavity (3-3) is provided in the anti-vibration arc surface (3-1).

4. The curved surface mounting plate processing tool according to claim 1, wherein: The clamping mechanism includes a pressure plate (15), a stop bolt (17), and a pressure plate bolt (14). The top of the curved positioning plate (3) is provided with a stop countersunk hole and a clamping screw hole. The stop bolt (17) is inverted in the stop countersunk hole. The head of the stop bolt (17) and the stop countersunk hole are clearance-matched. The bottom of the pressure plate bolt (14) is located in the clamping screw hole. The pressure plate (15) is provided with a stop screw hole and a waist groove. The middle of the stop bolt (17) is located in the stop screw hole, and the middle of the pressure plate bolt (14) is located in the waist groove.

5. The curved surface mounting plate processing tool as claimed in claim 1, characterized in that: The first bushing (7) and the second bushing (10) are detachably mounted in the second positioning block (8) and the third positioning block (9) via bolts.

6. The curved surface mounting plate processing tool as claimed in claim 1, characterized in that: The first positioning pin (5) and the second positioning pin (6) are cylindrical and are clearance-matched with the holes of the curved mounting plate (16).

7. The curved surface mounting plate processing tool as claimed in claim 1, characterized in that: Adjustment surfaces are provided on both sides of the second positioning pin (6) and the third positioning pin (11).

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