Multi-angle positioning tool for machining large arc-shaped workpiece

Abstract

The utility model relates to the technical field of positioning processing, and discloses a large arc-shaped workpiece processing multi-angle positioning tool which comprises a positioning workpiece, rotating discs are fixedly installed at the ends, close to each other, of speed reduction supports, and the upper ends of the rotating discs are fixedly connected to the two sides of the lower end of an installation base. Arc-shaped supporting plates are evenly distributed at the upper end of the rotating disc, limiting clamping plates are fixedly connected to the rear ends of the arc-shaped supporting plates on the two sides, mounting plates are fixedly connected to the front ends of the arc-shaped supporting plates on the two sides, the interiors of the mounting plates are in threaded connection with lower pressing plates, and the upper ends of third limiting supports are rotationally connected with the lower pressing plates. The lower end of each third limiting support is in threaded connection with a third fastening bolt. According to the multi-angle positioning tool for machining the large arc-shaped workpiece, the angle of the arc-shaped workpiece body can be adjusted at will when the arc-shaped workpiece body is subjected to trepanning machining, and the trepanning precision of the arc-shaped workpiece body is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning processing, in particular to a multi-angle positioning tool for processing large arc-shaped workpieces. Background Art

[0002] In modern industrial production and engineering construction, the application of large curved panels is becoming increasingly widespread. Large curved panels are commonly found in shipbuilding, large tank structures, architectural curved surface modeling, and other scenarios. During the processing of large curved panels, positioning and drilling are required. However, traditional positioning tooling is difficult to achieve precise positioning at multiple angles. This not only makes it difficult to ensure accuracy during installation and splicing, but may also cause difficulties and quality issues in subsequent construction. Therefore, positioning tooling is needed to place higher requirements on the accuracy and reliability of large curved panel positioning, and to be able to adjust the angle according to the shape of the large curved workpiece to ensure drilling accuracy. Utility Model Content

[0003] The main purpose of the utility model is to provide a multi-angle positioning tool for processing large arc-shaped workpieces, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] The cam is fixedly mounted on the workbench, and the cam is installed in a fixed manner to prevent the cam from sliding back and forth, so that the cam can slide in and out of the workbench, and the cam can slide in and out of the workbench, and the cam can slide in and out of the workbench, and the cam can slide in and out of the workbench.

[0006] Preferably, a slide groove is opened in the middle of the upper end of the base plate, and a limiting bracket is fixedly installed on both sides of the inner side of the slide groove. The upper end of the limiting bracket is threadedly connected with a fastening bolt, and the end away from the fastening bolt is fixedly connected with a brake plate.

[0007] Preferably, the side of the brake plate that is away from each other is in contact with the lower end of the side that is close to the turntable.

[0008] Preferably, the four corners of the upper end of the base plate are fixedly connected to the limiting bracket 2, the end of the upper end of the limiting bracket 2 that is close to the limiting bolt is fixedly connected, and the side of the upper end of the limiting bracket 2 that is away from the limiting bolt is threadedly connected to the fastening bolt 2.

[0009] Preferably, the ends of the second fastening bolt and the limiting bolt that are close to each other are both in contact with the front and rear ends of the lower end of the turntable.

[0010] Preferably, the upper ends of the arc-shaped support plates are fitted with the lower ends of the arc-plate workpiece body, and the four corners of the upper end of the bottom plate are fixedly connected with lifting ears.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. Place the arc plate workpiece body on the upper end of the arc support plate on the mounting seat, rotate the lower pressure plate downward to press the upper end of the arc plate workpiece body, and rotate the fastening bolt three to press against the lower end of the arc plate workpiece body, and rotate the inside of the mounting plate, and press the rear end of the arc plate workpiece body through the rear end limit clamping plate to fix the arc plate workpiece body front and back. By fixing the arc plate workpiece body front and back and up and down during processing, the arc plate workpiece body can be limited during processing, which is convenient for opening holes in the arc plate workpiece body.

[0013] 2. When it is necessary to adjust the opening angle, start the driving tooling connected to the positioning workpiece, adjust the angle of the arc plate workpiece body, and turn the fastening bolts 1 and 2 to limit the turntable. Through the cooperation of the brake plate and the limit bolts, the angle of the arc plate workpiece body can be adjusted arbitrarily when the arc plate workpiece body is opened, thereby ensuring the opening accuracy of the arc plate workpiece body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional schematic diagram of the assembly and positioning of a multi-angle positioning tool for processing large arc-shaped workpieces according to the present invention;

[0015] Figure 2 This is a front perspective schematic diagram of a multi-angle positioning tool for processing large arc-shaped workpieces according to the present invention;

[0016] Figure 3 This is the second front perspective schematic diagram of a multi-angle positioning tool for processing large arc-shaped workpieces according to the present invention;

[0017] Figure 4 The utility model is a partially enlarged three-dimensional schematic diagram of a multi-angle positioning tool for processing large arc-shaped workpieces.

[0018] In the figure: 1. Positioning workpiece; 101. Base plate; 102. Lifting ear; 103. Slide; 104. Limiting bracket 1; 105. Fastening bolt 1; 106. Brake plate; 107. Speed ​​reduction bracket; 108. Turntable; 109. Mounting seat; 1010. Limiting bracket 2; 1011. Fastening bolt 2; 1012. Limiting bolt; 1013. Arc support plate; 1014. Limiting splint; 1015. Mounting plate; 1016. Fastening bolt 3; 1017. Limiting bracket 3; 1018. Lower pressure plate; 1019. Fastening bolt 3; 2. Arc plate workpiece body. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1-4 As shown, a multi-angle positioning tool for processing large arc-shaped workpieces includes a positioning workpiece 1, an arc plate workpiece body 2 is fixedly installed on the upper end of the positioning workpiece 1, both sides of the upper end of the base plate 101 are fixedly connected with a deceleration bracket 107, and the end close to the deceleration bracket 107 is fixedly installed with a turntable 108, the upper end of the turntable 108 is fixedly connected to both sides of the lower end of the mounting seat 109, and the upper end of the turntable 108 is evenly distributed with arc support plates 1013, the rear ends of the arc support plates 1013 on both sides are fixedly connected to the limiting clamping plate 1014, the front ends of the arc support plates 1013 on both sides are fixedly connected with the mounting plate 1015, the interior of the mounting plate 1015 is threadedly connected with 1016, and the upper end of the mounting seat 109 is evenly distributed with limiting bracket three 1017, the upper ends of the limiting bracket three 1017 are rotatably connected with the lower pressure plate 1018, and the lower ends of the limiting bracket three 1017 are threadedly connected with fastening bolt three 1019.

[0021] In this embodiment, the upper ends of the arc-shaped support plates 1013 are in contact with the lower end of the arc-plate workpiece body 2 , and the four corners of the upper end of the bottom plate 101 are fixedly connected with lifting ears 102 .

[0022] Specifically, the arc plate workpiece body 2 is placed on the upper end of the arc support plate 1013 on the mounting seat 109, the lower pressure plate 1018 is rotated downward to press the upper end of the arc plate workpiece body 2, and the fastening bolt three 1019 is rotated to press against the lower end of the arc plate workpiece body 2, and the 1016 inside the mounting plate 1015 is rotated, and the rear end of the arc plate workpiece body 2 is pressed against the limiting clamp 1014 at the rear end to fix the arc plate workpiece body 2 front and back. By fixing the arc plate workpiece body 2 front and back and up and down during processing, the arc plate workpiece body 2 can be limited during processing, which facilitates the opening of holes in the arc plate workpiece body 2.

[0023] In this embodiment, a slide groove 103 is provided in the middle part of the upper end of the base plate 101, and a limiting bracket 104 is fixedly installed on both sides of the inner part of the slide groove 103, and the upper end of the limiting bracket 104 is threadedly connected with a fastening bolt 105, and the end away from the fastening bolt 105 is fixedly connected with a brake plate 106, and the side away from the brake plate 106 is in contact with the lower end of the side close to the turntable 108, and the four corners of the upper end of the base plate 101 are fixedly connected with a limiting bracket 2 1010, and the end close to the upper end of the limiting bracket 2 1010 is fixedly connected with a limiting bolt 1012, and the side away from the upper end of the limiting bracket 2 1010 is threadedly connected with a fastening bolt 2 1011, and the ends close to the fastening bolt 2 1011 and the limiting bolt 1012 are in contact with the front and rear ends of the lower end of the turntable 108.

[0024] Specifically, when it is necessary to adjust the opening angle, start the driving tooling connected to the positioning workpiece 1, adjust the angle of the arc plate workpiece body 2, and rotate the fastening bolt 105 and the fastening bolt 2 1011 to limit the turntable 108. Through the cooperation of the brake plate 106 and the limiting bolt 1012, it is possible to arbitrarily adjust the angle of the arc plate workpiece body 2 when performing hole processing on the arc plate workpiece body 2, thereby ensuring the hole opening accuracy of the arc plate workpiece body 2.

[0025] Working principle:

[0026] First, place the arc plate workpiece body 2 on the upper end of the arc support plate 1013 on the mounting seat 109, rotate the lower pressure plate 1018 downward to press the upper end of the arc plate workpiece body 2, and rotate the fastening bolt 3 1019 to press against the lower end of the arc plate workpiece body 2, and rotate the 1016 inside the mounting plate 1015 to press against the rear end of the arc plate workpiece body 2 through the rear end limit clamp 1014 to fix the arc plate workpiece body 2 front and back. By fixing the arc plate workpiece body 2 front and back and up and down during processing, it is achieved during processing. It can limit the arc plate workpiece body 2, which is convenient for drilling holes in the arc plate workpiece body 2. When the drilling angle needs to be adjusted, the driving tooling connected to the positioning workpiece 1 is started, the angle of the arc plate workpiece body 2 is adjusted, and the fastening bolt 105 and the fastening bolt 2 1011 are rotated to limit the turntable 108. Through the cooperation of the brake plate 106 and the limiting bolt 1012, the angle of the arc plate workpiece body 2 can be arbitrarily adjusted when drilling holes in the arc plate workpiece body 2, thereby ensuring the drilling accuracy of the arc plate workpiece body 2.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A multi-angle positioning tool for machining large arc-shaped workpieces, comprising a positioning workpiece (1) and a base plate (101), characterized in that: The upper end of the positioning workpiece (1) is fixedly mounted with an arc plate workpiece body (2), the upper ends of the bottom plate (101) are fixedly connected with deceleration brackets (107) on both sides, the close ends of the deceleration brackets (107) are fixedly mounted with turntables (108), the upper ends of the turntables (108) are fixedly connected to the lower ends of the mounting base (109), the upper ends of the turntables (108) are evenly distributed with arc support plates (1013), the rear ends of the arc support plates (1013) on both sides are fixed. A limiting clamp (1014) is connected, and the front ends of the arc-shaped support plates (1013) on both sides are fixedly connected to the mounting plates (1015), and the interiors of the mounting plates (1015) are threadedly connected to (1016). The upper end of the mounting seat (109) is evenly distributed with limiting brackets (1017), and the upper ends of the limiting brackets (1017) are rotatably connected to the lower pressure plate (1018), and the lower ends of the limiting brackets (1017) are threadedly connected to fastening bolts (1019).

2. The multi-angle positioning tool for machining large arc-shaped workpieces according to claim 1, characterized in that: A slide groove (103) is provided in the middle of the upper end of the base plate (101), and a limiting bracket (104) is fixedly installed on both sides of the inner side of the slide groove (103). The upper end of the limiting bracket (104) is threadedly connected to a fastening bolt (105), and the end away from the fastening bolt (105) is fixedly connected to a brake plate (106).

3. The multi-angle positioning tool for machining large arc-shaped workpieces according to claim 2, characterized in that: The side of the brake plate (106) that is away from the brake plate (106) is in contact with the lower end of the side that is close to the turntable (108).

4. The multi-angle positioning tool for machining large arc-shaped workpieces according to claim 1, characterized in that: The four corners of the upper end of the base plate (101) are fixedly connected to the limiting bracket 2 (1010), the end close to the upper end of the limiting bracket 2 (1010) is fixedly connected to the limiting bolt (1012), and the side away from the upper end of the limiting bracket 2 (1010) is threadedly connected to the fastening bolt 2 (1011).

5. The multi-angle positioning tool for machining large arc-shaped workpieces according to claim 4, characterized in that: The ends of the second fastening bolt (1011) and the limiting bolt (1012) that are close to each other are both fitted with the front and rear ends of the lower end of the turntable (108).

6. The multi-angle positioning tool for machining large arc-shaped workpieces according to claim 1, characterized in that: The upper ends of the arc-shaped support plates (1013) are fitted with the lower ends of the arc-plate workpiece body (2), and the four corners of the upper end of the bottom plate (101) are fixedly connected with lifting ears (102).

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