Special-shaped sheet metal machining rotary table

Abstract

The utility model discloses a special-shaped sheet metal machining rotary table which comprises a rotary base, a positioning groove, a special-shaped sheet metal part, a positioning block, a positioning bolt, a pressing plate and an M5 fastening screw, and is characterized in that the positioning groove is formed in the inner side of the rotary base, the special-shaped sheet metal part is arranged on the outer side of the rotary base, the positioning block is arranged on the outer side of the rotary base, and the positioning bolt is arranged on the outer side of the positioning block. And the positioning blocks are connected with the positioning grooves through positioning bolts, the positioning bolts penetrate through the inner side of the special-shaped sheet metal part, a pressing plate is arranged on the outer side of the rotating base, and the pressing plate is connected with the rotating base through M5 fastening screws. According to the special-shaped sheet metal machining rotary table, an existing arc-shaped groove of a sheet metal part is ingeniously used for positioning in design, the positioning accuracy of the part position is guaranteed, an outer circle matched with the inner diameter of the sheet metal part is designed according to the inner diameter of the sheet metal part, all four sheet metal parts can be installed at the same time, and machining work of all the sheet metal parts is completed; and the machining efficiency can be greatly improved, and the consistency of the machining quality of the same product is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal processing technical field, concretely is a special-shaped sheet metal processing rotary table. BACKGROUND

[0002] Special-shaped sheet metal processing refers to the process of processing sheet metal parts with non-standard shape and size, which usually includes a series of processes such as shearing, stamping, bending, forming, welding, polishing, polishing, painting, etc. to meet the specific design and functional requirements. When processing these special-shaped sheet metal parts, a rotary table is needed for use.

[0003] The existing coaming is formed by rolling and bending an aluminum plate. An R5 circular arc groove that penetrates the entire length of the sheet metal is designed on the sheet metal part for positioning. In addition, multiple electrical cable threading holes are designed. However, due to the variable expansion rate during bending and forming of the sheet metal, the threading holes cannot be processed in advance in the straight state of the sheet metal before bending. Moreover, there are 12 mounting holes distributed on the outer contour of the sheet metal part, which require high precision and need to be finished after bending and forming.

[0004] In view of the above problems, it is urgent to innovate the structure of the original special-shaped sheet metal processing rotary table. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a special-shaped sheet metal processing rotary table to solve the problem of variable expansion rate during bending and forming of the sheet metal, which makes it impossible to process the threading holes in advance in the straight state of the sheet metal before bending. Moreover, there are 12 mounting holes distributed on the outer contour of the sheet metal part, which require high precision and need to be finished after bending and forming.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a special-shaped sheet metal processing rotary table, comprising a rotating base, a positioning groove, a special-shaped sheet metal part, a positioning block, a positioning bolt, a pressing plate and an M5 fastening screw, characterized in that the rotating base is provided with a positioning groove on the inner side, and the rotating base is provided with a special-shaped sheet metal part on the outer side. The rotating base is provided with a positioning block on the outer side, and the positioning block is connected with the positioning groove through the positioning bolt, and the positioning bolt penetrates the inner side of the special-shaped sheet metal part. The rotating base is provided with a pressing plate on the outer side, and the pressing plate is connected with the rotating base through the M5 fastening screw.

[0007] Preferably, the inner side of the special-shaped sheet metal part is provided with a threading hole. This structure allows the threading hole to be threaded.

[0008] Preferably, the rotating base is designed as a cylindrical frame, and the outer diameter is designed as an outer circle that matches the inner diameter of the special-shaped sheet metal part. This structure allows the rotary table to install all four special-shaped sheet metal parts at the same time.

[0009] Preferably, the special-shaped sheet metal parts are distributed in four groups at equal angles with respect to the center of the rotating base. This structure can greatly improve the processing efficiency of the special-shaped sheet metal parts.

[0010] Preferably, one end of the rotating base is a circular hole for docking the four axes of the machining center, and the other side is designed as a flat surface for center positioning; this structure allows the rotating base to be installed on a machining turntable.

[0011] Preferably, the outer circle of the rotating base is designed with threaded holes for installing the positioning block and the pressure plate; this structure can be connected to the positioning block and the pressure plate through the bolts and screws on the outer sides of the threaded holes.

[0012] Preferably, the pressure plate is designed as a perforated aluminum plate, the inner side of the pressure plate is an arc surface that matches the outer diameter of the special-shaped sheet metal part, and the pressure plate has four groups distributed at equal angles about the center of the rotating base; this structure has four groups of pressure plates distributed at equal angles about the center of the rotating base, which can clamp and fix the two ends of the adjacent special-shaped sheet metal parts.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The design of the special-shaped sheet metal processing turntable cleverly utilizes the existing arc grooves of the sheet metal for positioning, ensuring the positioning accuracy of the parts;

[0015] 2. The outer diameter of the special-shaped sheet metal processing turntable is designed to match the inner diameter of the sheet metal part. All four sheet metal parts can be installed at the same time to complete the processing of all sheet metal parts, which can greatly improve the processing efficiency and ensure the consistency of the processing quality of the same product.

[0016] 3. The positioning method and positioning process of the special-shaped sheet metal processing turntable are simple and easy to understand, the assembly operation is simple and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of the utility model when viewed from above;

[0019] Figure 3 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0020] Figure 4 This is a schematic diagram of the top view of the structure of the utility model;

[0021] Figure 5 This is a front view structural diagram of the utility model.

[0022] In the figure: 1. Rotating base; 2. Positioning groove; 3. Special-shaped sheet metal part; 4. Positioning block; 5. Positioning bolt; 6. Pressure plate; 7. M5 fastening screw; 8. Threading hole. DETAILED DESCRIPTION

[0023] 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 are within the scope of protection of the present invention.

[0024] See also Figures 1-5 The utility model provides a technical solution: a special-shaped sheet metal processing turntable, including a rotating base 1, a positioning groove 2, a special-shaped sheet metal part 3, a positioning block 4, a positioning bolt 5, a pressure plate 6 and an M5 fastening screw 7. The rotating base 1 has a positioning groove 2 on its inner side, and the special-shaped sheet metal part 3 is arranged on its outer side. The rotating base 1 has a positioning block 4 on its outer side, and the positioning block 4 is connected to the positioning groove 2 through a positioning bolt 5, and the positioning bolt 5 passes through the inner side of the special-shaped sheet metal part 3. The rotating base 1 has a pressure plate 6 on its outer side, and the pressure plate 6 is connected to the rotating base 1 through an M5 fastening screw 7.

[0025] A threading hole 8 is provided on the inner side of the special-shaped sheet metal part 3; the rotating base 1 is designed as a cylindrical frame, and the outer diameter is designed to be an outer circle that matches the inner diameter of the special-shaped sheet metal part 3; four groups of special-shaped sheet metal parts 3 are distributed at equal angles about the center of the rotating base 1; one end of the rotating base 1 is a circular hole for docking the four axes of the machining center, and the other side is designed as a flat surface for top positioning; the outer circle of the rotating base 1 is designed with threaded holes for installing the positioning block 4 and the pressure plate 6; the pressure plate 6 is designed as a perforated aluminum plate, and the inner side of the pressure plate 6 is a circular arc surface that matches the outer diameter of the special-shaped sheet metal part 3, and the pressure plate 6 is distributed at equal angles about the center of the rotating base 1 in four groups;

[0026] After this structure uses the positioning block 4 to position the inner arc groove of the special-shaped sheet metal part 3, the pressure plate 6 is used to press the two sides of the special-shaped sheet metal part 3, and the special-shaped sheet metal part 3 is pressed using 6 M5 fastening screws 7. This turntable can install all 4 special-shaped sheet metal parts 3 at the same time, and complete the processing of all special-shaped sheet metal parts 3 through the four-axis rotation of the machining center. The rotating base 1 is designed as a cylindrical frame, and the outer diameter is designed to be an outer circle that matches the inner diameter of the special-shaped sheet metal part 3, so that all 4 special-shaped sheet metal parts 3 can be installed at the same time; at the same time, R5 positioning grooves 2 are designed on the outer circle to meet the positioning and clearance requirements of the special-shaped sheet metal part 3 and complete the part processing; one end of the rotating base 1 is a circular hole for docking the four-axis of the machining center, and the other side is designed as a plane for top positioning; the rotating base 1 has a large number of hollow structures to reduce weight to avoid the influence of its own weight on the positioning accuracy. The outer circle at the bottom of the rotating base 1 is designed with threaded holes for installing the positioning block 4 and the pressure plate 6, which can meet the fastening requirements of the special-shaped sheet metal part 3. The pressing plate 6 is designed as a perforated aluminum plate. The inner side of the pressing plate 6 is an arc surface that matches the outer diameter of the special-shaped sheet metal 3, which increases the force area during tightening and improves the fit during compression. The pressing plate 6 is designed with 3 screw holes, which can allow the positioning bolts 5 to pass through and then press the special-shaped sheet metal 3. The positioning block 4 is an R5 arch block, and the center of the positioning block 4 has an M5 screw hole, which can effectively position the special-shaped sheet metal 3 on the rotating base 1. When in use, first install the rotating base 1 On the four-axis machining center, tighten the base, then align the R5 arc-shaped groove of the special-shaped sheet metal part 3 with the positioning groove 2 on the rotating base 1, and use the positioning block 4 and the M5 positioning screw 5 to tighten it; fit the special-shaped sheet metal part 3 to the outer surface of the rotating base 1, and use the pressure plate 6 and the M5 fastening screw 7 to fasten it, and fix the special-shaped sheet metal parts 3 (1-4) on the turntable in turn. In this way, the processing of all four special-shaped sheet metal parts 3 is completed through the four-axis rotation of the machining center.

[0027] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

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

Claims

1. A special-shaped sheet metal processing turntable, comprising a rotating base (1), a positioning groove (2), a special-shaped sheet metal part (3), a positioning block (4), a positioning bolt (5), a pressure plate (6) and an M5 fastening screw (7), characterized in that: A positioning groove (2) is provided on the inner side of the rotating base (1), and a special-shaped sheet metal part (3) is provided on the outer side of the rotating base (1). A positioning block (4) is provided on the outer side of the rotating base (1), and the positioning block (4) is connected to the positioning groove (2) through a positioning bolt (5), and the positioning bolt (5) passes through the inner side of the special-shaped sheet metal part (3). A pressure plate (6) is provided on the outer side of the rotating base (1), and the pressure plate (6) is connected to the rotating base (1) through an M5 fastening screw (7).

2. The special-shaped sheet metal processing turntable according to claim 1, characterized in that: A threading hole (8) is provided on the inner side of the special-shaped sheet metal part (3).

3. The special-shaped sheet metal processing turntable according to claim 1, characterized in that: The rotating base (1) is designed as a cylindrical frame, and the outer diameter is designed to match the inner diameter of the special-shaped sheet metal part (3).

4. The special-shaped sheet metal processing turntable according to claim 1, characterized in that: The special-shaped sheet metal parts (3) are distributed in four groups at equal angles with respect to the center of the rotating base (1).

5. The special-shaped sheet metal processing turntable according to claim 1, characterized in that: One end of the rotating base (1) is a circular hole for docking the four axes of the machining center, and the other side is designed as a flat surface for center positioning.

6. The special-shaped sheet metal processing turntable according to claim 1, characterized in that: The outer circle of the rotating base (1) is designed with threaded holes for installing the positioning block (4) and the pressure plate (6).

7. The special-shaped sheet metal processing turntable according to claim 1, characterized in that: The pressing plate (6) is designed as a perforated aluminum plate, the inner side of the pressing plate (6) is an arc surface matching the outer diameter of the special-shaped sheet metal part (3), and there are four groups of pressing plates (6) distributed at equal angles with respect to the center of the rotating base (1).

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