Flange plate machining clamping device

Abstract

The utility model relates to a machining device, in particular to a flange plate machining clamping device. A flange plate machining clamping device is characterized in that the device comprises a face milling clamp and a drilling clamp; the face milling clamp is composed of a base, a supporting plate, a cylindrical pin and a pressing plate. A supporting plate mounting opening is formed in the middle of the base, and pressing plate connecting holes and pressing plate supporting holes are symmetrically formed in the left side and the right side of the supporting plate mounting opening; the supporting plate is connected to the base; the cylindrical pin is fixedly arranged on the cylindrical pin opening; the pressing plate is connected to the base; the drilling clamp is composed of a drill base, a positioning shaft, a drill plate and an open washer. A vertical plate is arranged in the middle of the drill base, a shaft hole is formed in the middle of the vertical plate, and two template connecting holes are formed in the top end; the large-diameter end of the positioning shaft abuts against the vertical plate to be fixedly connected. The drill plate is connected to the base; and the open washer is sleeved on the small-diameter end fixing flange plate of the positioning shaft. Due to the adoption of the technical scheme, the adopted spiral clamping machine is easy to manufacture and simple in structure, and due to the fact that the lead angle wound on the surface of the screw is small, the spiral line is long, the self-locking performance of the spiral clamping machine is good, the clamping force and the clamping stroke are large, the labor intensity is reduced, the labor productivity is improved, and the production efficiency is improved. And meanwhile, the surface precision and the plane form and location tolerance are guaranteed, the operation time is saved and the machining workpiece is positioned and clamped through the design of the drilling clamp positioning shaft, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a mechanical processing device, in particular to a flange mechanical processing clamping device. Background Art

[0002] In the machining, inspection, assembly, welding and heat treatment processes of mechanical manufacturing, a large number of fixtures are used to install the processing objects so that they occupy the correct position to ensure the processing quality of parts and products and improve production efficiency.

[0003] Fixtures are additional devices used to secure workpieces, quickly determine the relative positions between the workpiece, tool, and machine tool, and serve as process equipment for clamping the workpiece. Tools play an irreplaceable role in the entire machining process. The key to a qualified machined part depends on the correct selection and use of tools and the corresponding fixtures. The modern machining industry places higher demands on tools and their associated accessories. Fixtures are crucial for ensuring smooth workpiece assembly and achieving the required precision. Therefore, they are crucial not only for production efficiency and product quality, but also for a company's production costs.

[0004] There is currently no special fixture for processing the end face and aperture of the flange. In order to make the processing convenient and efficient, ensure the processing quality, improve the processing yield, ensure timeliness and working hours while also having a certain degree of economy, a special fixture needs to be designed. Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the present utility model is to provide a flange machining clamping device.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0007] A flange machining clamping device, characterized in that the device comprises a milling fixture and a drilling fixture;

[0008] The milling fixture consists of a base, a support plate, a cylindrical pin, and a pressure plate;

[0009] The base is an octagonal block with a support plate installation opening in the middle, and pressure plate connection holes and pressure plate support holes are symmetrically set on the left and right sides of the support plate installation opening;

[0010] The support plate is a circular convex block with a cylindrical pin hole in the middle. It is fixed to the base by inserting the convex part into the support plate mounting hole.

[0011] The cylindrical pin is fixedly arranged on the cylindrical pin opening to position the flange;

[0012] There is a mounting hole in the middle of the pressure plate, which is fixed to the base through the mounting hole. The connection method is bolt connection;

[0013] The drilling fixture consists of a drill base, a positioning shaft, a drilling template, and an open washer;

[0014] There is a vertical plate in the middle of the drill base, with an axis hole in the middle and two template connection holes on the top;

[0015] The positioning shaft is a stepped shaft with a thread on the small diameter end and a fixed connection against the vertical plate on the large diameter end;

[0016] The drilling template is a rectangular plate with a template connection port provided at the template connection hole, and is fixedly connected to the base through the template connection port, and the connection method is screw connection;

[0017] The open washer is sleeved on the fixed flange at the small diameter end of the positioning shaft, and the fixing method is nut fixing.

[0018] Preferably, U-shaped grooves are provided at both ends of the base, and key grooves are provided inside the U-shaped grooves, and the base is positioned by the cooperation between the key grooves and the positioning keys.

[0019] Preferably, the base is provided with at least one support plate fixing hole at the support plate pressing position, and the support plate is fixed through the support plate fixing hole, and the fixing method is screw fixing.

[0020] Preferably, the base fixes the pressure plate through the pressure plate connecting hole and the installation hole, and then supports the tail of the pressure plate by installing support nails at the pressure plate support hole to make the pressure plate generate more pressure to press the flange.

[0021] Preferably, the base is provided with a tool setting block at the right end of the right pressure plate, and the tool position is accurately positioned by the tool setting block, and the connection method is screw connection.

[0022] Preferably, a circular groove is provided in the middle of the vertical plate, and the top end of the flange is inserted into the groove for positioning.

[0023] Preferably, a backing plate is provided outside the groove, and the backing plate is a circular ring that is sleeved on the flange to assist in positioning.

[0024] Preferably, a drill hole is provided in the middle of the right end of the drill template, and a drill sleeve is provided on the drill hole.

[0025] Due to the adoption of the above technical solution, the screw clamping machine adopted by the present invention is easy to manufacture and has a relatively simple structure. Moreover, due to the small rise angle of the spiral line wound on the surface of the screw and the long spiral line, the self-locking performance of the screw clamping mechanism is good, the clamping force and the clamping stroke are large, and the labor intensity is reduced and the labor productivity is improved. At the same time, the surface accuracy and plane form and position tolerance are also guaranteed. The design of the positioning shaft of the drilling fixture saves operation time and positioning and clamping workpieces, thereby improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 Top view of the milling fixture.

[0027] Figure 2 Front view of the milling fixture.

[0028] Figure 3 Top view of the drilling jig.

[0029] Figure 4 Official diagram of the drilling jig. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0031] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0032] It should also be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0033] The following is a detailed description of the specific embodiments of the present invention with reference to the accompanying drawings.

[0034] like Figure 1 and 3 As shown, a flange machining clamping device is characterized in that the device includes a milling fixture 1 and a drilling fixture 2.

[0035] like Figure 1 and 2As shown, the milling fixture 1 consists of a base 101, a support plate 102, a cylindrical pin 103, and a pressure plate 104; the base 101 is an octagonal block, with a support plate mounting opening 105 in the middle, and pressure plate connecting holes 106 and pressure plate supporting holes 107 are symmetrically provided on the left and right sides of the support plate mounting opening 105; the support plate 102 is a circular convex block, with a cylindrical pin opening 108 in the middle, which is fixedly connected to the base 101 by inserting the convex part into the support plate mounting opening 105; the cylindrical pin 103 is fixedly set on the cylindrical pin opening 108 to position the flange 3; a mounting hole 109 is provided in the middle of the pressure plate 104, and is fixedly connected to the base 101 through the mounting hole 109, and the connection method is bolt connection, and U-shaped grooves 1 are provided at both ends of the base 101 10. A keyway 111 is provided on the inner side of the U-shaped groove 110. The keyway 111 cooperates with the positioning key 112 to position the base 101. The base 101 is provided with at least one support plate fixing hole 113 at the pressing position of the support plate 102. The support plate 102 is fixed by the support plate fixing hole 113. The fixing method is screw fixing. The base 101 fixes the pressure plate 104 by cooperating with the pressure plate connection hole 106 and the installation hole 109. Then, by installing the support pin 114 at the pressure plate support hole 107 to support the tail of the pressure plate 104, the pressure plate 104 generates more pressure to press the flange 3. The base 101 is provided with a tool setting block 115 at the right end of the right pressure plate 104. The tool position is accurately positioned by the tool setting block 115. The connection method is screw connection. The design of the pressure plate 104 simplifies the overall structure of the clamp, and it also ensures a certain strength while clamping and fixing the flange 3.

[0036] like Figure 3 and 4 As shown, the drilling fixture 2 consists of a drill base 201, a positioning shaft 202, a drilling template 203, and an open washer 204; there is a vertical plate 205 in the middle of the drill base 201, an axial hole 206 is provided in the middle of the vertical plate 205, and two template connection holes 207 are provided on the top; the positioning shaft 202 is a stepped shaft, the small diameter end is provided with a thread, and the large diameter end is fixedly connected to the vertical plate 205; the drilling template 203 is a rectangular plate and a template connection port 208 is provided at the template connection hole 207, and is fixedly connected to the base 101 through the template connection port 208. The connection method is screw connection; an open washer 204 is mounted on the small-diameter end of the positioning shaft 202 to fix the flange 3, and the fixing method is nut fixing. A circular groove 209 is also provided in the middle of the vertical plate 205. The top of the flange 3 is inserted into the circular groove 209 to position it. A pad 210 is also provided outside the circular groove 209. The pad 210 is a circular ring mounted on the flange 3 to assist in positioning. A drill hole 211 is provided in the middle of the right end of the drilling template 203. A drill sleeve 212 is provided on the drill hole 211 to position the tool and protect the drill hole 211. The design of the positioning shaft 202 simplifies the overall structure, and the design of the large-diameter end saves the use of nuts.

[0037] The above is a description of the embodiments of the present invention. The above description of the disclosed embodiments will enable those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art. The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A flange machining clamping device, characterized in that: The device comprises a milling fixture (1) and a drilling fixture (2); The milling fixture (1) is composed of a base (101), a support plate (102), a cylindrical pin (103), and a pressing plate (104); The base (101) is an octagonal block with a support plate installation opening (105) in the middle, and a pressure plate connection hole (106) and a pressure plate support hole (107) are symmetrically provided on the left and right sides of the support plate installation opening (105); The support plate (102) is a circular convex block with a cylindrical pin hole (108) in the middle, and is fixedly connected to the base (101) by inserting the convex part into the support plate installation hole (105); The cylindrical pin (103) is fixedly arranged on the cylindrical pin opening (108) to position the flange (3); A mounting hole (109) is provided in the middle of the pressing plate (104), and the pressing plate (104) is fixedly connected to the base (101) through the mounting hole (109), and the connection method is bolt connection; The drilling fixture (2) is composed of a drill base (201), a positioning shaft (202), a drilling template (203), and an open washer (204); A vertical plate (205) is provided in the middle of the drill base (201), an axial hole (206) is provided in the middle of the vertical plate (205), and two template connection holes (207) are provided at the top; The positioning shaft (202) is a stepped shaft, with a thread provided on the small diameter end and a fixed connection with the vertical plate (205) on the large diameter end; The drilling template (203) is a rectangular plate with a template connection port (208) provided at the template connection hole (207). The template is fixedly connected to the base (101) through the template connection port (208) and the connection method is screw connection. The open washer (204) is sleeved on the small-diameter end fixing flange (3) of the positioning shaft (202), and the fixing method is nut fixing.

2. A flange machining clamping device according to claim 1, characterized in that: U-shaped grooves (110) are provided at both ends of the base (101), and a key groove (111) is provided inside the U-shaped groove (110). The base (101) is positioned by the key groove (111) and the positioning key (112) cooperating with each other.

3. A flange machining clamping device according to claim 1, characterized in that: The base (101) is provided with at least one support plate fixing hole (113) at a position where the support plate (102) is pressed, and the support plate (102) is fixed through the support plate fixing hole (113), and the fixing method is screw fixing.

4. A flange machining clamping device according to claim 1, characterized in that: The base (101) fixes the pressing plate (104) by cooperating with the pressing plate connecting hole (106) and the mounting hole (109), and then supports the tail of the pressing plate (104) by installing the supporting nail (114) at the pressing plate supporting hole (107) so that the pressing plate (104) generates more pressure to press the flange (3).

5. The flange machining clamping device according to claim 1, characterized in that: The base (101) is provided with a tool setting block (115) at the right end of the right side pressure plate (104), and the tool position is accurately positioned by the tool setting block (115), and the connection mode is screw connection.

6. A flange machining clamping device according to claim 1, characterized in that: A circular groove (209) is also provided in the middle of the vertical plate (205), and the top end of the flange (3) is inserted into the circular groove (209) for positioning.

7. A flange machining clamping device according to claim 6, characterized in that: A backing plate (210) is further provided outside the circular groove (209), and the backing plate (210) is a circular ring that is sleeved on the flange (3) to assist in positioning.

8. The flange machining clamping device according to claim 1, characterized in that: A drill hole (211) is provided in the middle of the right end of the drill template (203), and a drill sleeve (212) is provided on the drill hole (211) to position the tool and protect the drill hole (211).

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