Fixing and clamping device for special-shaped flange machining

Abstract

The utility model relates to the technical field of clamping devices, and discloses a fixed clamping device for special-shaped flange machining, which comprises a fixed base, a square frame and a rotating assembly, the rotating assembly is arranged in the fixed base, the square frame is arranged at the top of the rotating assembly, and a limiting disc is slidably connected in the square frame. A spring is fixedly connected between the limiting disc and the square frame, a flexible pin is fixedly connected to the bottom of the limiting disc and slidably connected into the square frame, a limiting frame is fixedly connected into the square frame, the flexible pin is slidably connected into the limiting frame, and the limiting disc slides in the square frame and is reset through the spring. And the square frame is provided with a groove at a position corresponding to the limiting disc. According to the shape of the special-shaped flange, abutting is carried out through the corresponding limiting frames, so that the clamping and fixing stability of the special-shaped flange is improved, the machining precision of the special-shaped flange is improved, the machining efficiency is improved, and the practicability of the special-shaped flange is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping device technical field especially uses fixed clamping device for special-shaped flange processing. BACKGROUND

[0002] Flange is also called flange plate or lug, is the part that connects the pipe and pipe, is connected to the pipe end, has the eye on the flange, the bolt makes two flanges tightly, the gasket is sealed between the flanges, the flange is a disc part, is most common in pipeline engineering, the flange is used in pairs.

[0003] According to the patent network discloses a kind of flange plate processing clamping device (authorization announcement number is: CN 218194727U) described in "the utility model discloses a kind of flange plate processing clamping device, including fixed base, vertical support and clamping assembly, characterized in that: the both sides of the fixed base are provided with vertical support, two groups of vertical support are provided with clamping assembly between, the top of the fixed base is provided with rotary disc, the top of the rotary disc is provided with clamping assembly, the rotary disc is arranged between two groups of vertical support, by placing flange plate on rotary disc, by clamping assembly, stable fixation is carried out, the clamping assembly includes moving seat, clamping jaw, rotary column, rotary knob, movable sleeve and moving groove;The utility model is fixed and clamped to the flange plate placed on the top of rotary disc by the mutual cooperation between moving seat, clamping jaw, rotary column, rotary knob, movable sleeve, moving groove, fixed seat, small motor, screw rod, threaded sleeve and slide bar, by clamping jaw descending, the upper side of the flange plate is clamped.

[0004] For the above description, the applicant believes that there are the following problems:

[0005] The utility model in the use process, since by clamping jaw descending, the upper side of the flange is clamped, but when processing special-shaped flange, clamping jaw cannot clamp special-shaped flange, cannot effectively clamp special-shaped flange, lead to the processing precision of special-shaped flange reduces, makes it reduce processing efficiency, possibly seriously damage flange surface, therefore need to improve special-shaped flange processing fixed clamping device to solve the above problems. Utility model content

[0006] In order to overcome the problem that clamping jaw cannot clamp special-shaped flange, cannot effectively clamp special-shaped flange, which may lead to the processing precision of special-shaped flange reduces, makes it reduce processing efficiency.

[0007] The utility model discloses a fixed clamping device for special-shaped flange processing, including fixed base, still including square frame and rotating assembly, the inside of fixed base is provided with rotating assembly, the top of rotating assembly is provided with square frame, the inside of square frame is slidably connected with limit disc, is fixedly connected with spring between limit disc and square frame, the bottom of limit disc is fixedly connected with flexible pin, and flexible pin is slidably connected in the inside of square frame, the inside of square frame is fixedly connected with limit frame, and flexible pin is slidably connected in the inside of limit frame, and limit disc is slid in the inside of square frame, and resets through spring.

[0008] As preferred, the square frame is provided with a groove at the corresponding position of the limit disc, and the limit disc slides in the groove.

[0009] As preferred, the flexible pin is provided with a plurality of flexible pins, and the plurality of flexible pins are symmetrically distributed in the inside of the square frame.

[0010] As preferred, the rotating assembly includes a first motor fixedly connected to the inside of the fixed base, an output end of the first motor fixedly connected with a rotating shaft, a top of the rotating shaft fixedly connected with a rotating disc, an inside of the rotating disc fixedly connected with a semicircular block, the semicircular block slidably connected in the inside of the fixed base, an inside of the rotating disc fixedly connected with a second motor, an output end of the second motor fixedly connected with a bidirectional threaded rod, the bidirectional threaded rod rotatably connected in the inside of the rotating disc, an inside of the rotating disc fixedly connected with a first limiting shaft, an outside of the bidirectional threaded rod threadedly connected with a second sliding block, the second sliding block slidably connected to the outside of the first limiting shaft, and the second sliding block slidably connected in the inside of the rotating disc.

[0011] As preferred, the fixed base is provided with a groove at the corresponding position of the semicircular block, and the semicircular block slides in the groove.

[0012] As preferred, a mounting frame is provided on the top of the second sliding block, a bolt is rotatably connected in the inside of the mounting frame, the bolt is threadedly connected in the inside of the second sliding block, a gasket is arranged between the bolt and the mounting frame, a lifting threaded rod is rotatably connected in the inside of the mounting frame, a first rotating block is fixedly connected to the top of the lifting threaded rod, a first limiting rod is fixedly connected in the inside of the mounting frame, the lifting threaded rod is threadedly connected with a first sliding block outside, the first sliding block is slidably connected to the outside of the first limiting rod, the first sliding block is slidably connected in the inside of the mounting frame, and the square frame is fixedly connected to the inside of the first sliding block.

[0013] As preferred, the mounting frame is provided with a groove at the corresponding position of the first sliding block, and the first sliding block slides in the groove.

[0014] The utility model discloses a beneficial effect: relative to the clamping claw carries out the clamping to the special-shaped flange, through the shape of special-shaped flange to carry out the abutment through the corresponding limit frame, make it improve the clamping fixed stability to special-shaped flange, improve the machining precision to special-shaped flange, make it improve the processing efficiency, make it improve practicality, avoided the problem that can not effectively clamp special-shaped flange possibly leads to the machining precision reduction of special-shaped flange, make it reduce the processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram of the utility model;

[0016] Figure 2 It is rotating component structure schematic diagram of the utility model;

[0017] Figure 3 It is two -way threaded rod structure schematic diagram of the utility model;

[0018] Figure 4 It is lifting threaded rod structure schematic diagram of the utility model;

[0019] Figure 5 It is square frame section structure schematic diagram of the utility model.

[0020] Mark explanation: 1, fixed base;21, installation frame;22, bolt;23, gasket;24, lifting threaded rod;25, first limit rod;26, first rotating block;27, first sliding block;28, square frame;29, limit disc;210, spring;211, limit frame;212, flexible pin;31, first motor;32, rotating shaft;33, rotary disc;34, semicircle block;35, second motor;36, two -way threaded rod;37, first limit shaft;38, second sliding block. DETAILED DESCRIPTION

[0021] The utility model will be further explained below in combination with the drawings and examples.

[0022] Please refer to Figure 1 - Figure 5The utility model provides a kind of fixed clamping device for special-shaped flange processing: the utility model discloses a kind of fixed clamping device for special-shaped flange processing, including fixed base 1, still including square frame 28 and rotating assembly, rotating assembly is provided in the inside of fixed base 1, the top of rotating assembly is provided with square frame 28, the inside of square frame 28 is slidably connected with limit disc 29, spring 210 is fixedly connected between limit disc 29 and square frame 28, the bottom of limit disc 29 is fixedly connected with flexible pin 212, flexible pin 212 is slidably connected in the inside of square frame 28, limit frame 211 is fixedly connected in the inside of square frame 28, flexible pin 212 is slidably connected in the inside of limit frame 211, sliding is carried out in the inside of square frame 28 by limit disc 29, reset is carried out by spring 210, by the shape of special-shaped flange to be resisted by corresponding limit frame 211, so that it improves the clamping fixed stability of special-shaped flange, rotating assembly, rotating disc 33 is rotated by driving shaft 32, the position of fixed special-shaped flange is rotated, when rotating disc 33 rotates, make rotating disc 33 rotate more stably by semicircular block 34 and the groove of fixed base 1 corresponding, square frame 28 is provided with groove in the corresponding position of limit disc 29, limit disc 29 is slid in the groove, so that it is limited to limit frame 211, so that it improves the clamping of flange of different shapes, so that it improves the clamping fixed stability of special-shaped flange, flexible pin 212 is provided with several, several flexible pins 212 are symmetrically distributed in the inside of square frame 28, so that it is resisted by corresponding limit frame 211 according to the shape of special-shaped flange, so that it improves the clamping fixed stability of special-shaped flange, so that it improves practicability.

[0023] Please refer to Figure 4 - Figure 5 In the embodiment, the top of the second sliding block 38 is provided with the mounting frame 21, the inside of the mounting frame 21 is rotatably connected with the bolt 22, the bolt 22 is threadedly connected in the inside of the second sliding block 38, the gasket 23 is arranged between the bolt 22 and the mounting frame 21, the inside of the mounting frame 21 is rotatably connected with the lifting threaded rod 24, the top of the lifting threaded rod 24 is fixedly connected with the first rotating block 26, the inside of the mounting frame 21 is fixedly connected with the first limiting rod 25, the outside of the lifting threaded rod 24 is threadedly connected with the first sliding block 27, the first sliding block 27 is slidably connected to the outside of the first limiting rod 25, the first sliding block 27 is slidably connected in the inside of the mounting frame 21, the square frame 28 is fixedly connected to the inside of the first sliding block 27, by the shape of special-shaped flange to be resisted by corresponding limit frame 211, so that it improves the clamping fixed stability of special-shaped flange, improves the processing precision of special-shaped flange, so that it improves processing efficiency, so that it improves practicability, the mounting frame 21 is provided with a groove in the corresponding position of the first sliding block 27, the first sliding block 27 is slid in the groove, so that it improves the moving stability of the square frame 28, so that it improves practicability.

[0024] Please refer to Figure 2 - Figure 3 In the embodiment, the rotating assembly comprises a first motor 31 fixedly connected to the inside of the fixed base 1, an output end of the first motor 31 is fixedly connected with a rotating shaft 32, the top of the rotating shaft 32 is fixedly connected with a rotating disc 33, the inside of the rotating disc 33 is fixedly connected with a semicircle block 34, the semicircle block 34 is slidingly connected to the inside of the fixed base 1, the inside of the rotating disc 33 is fixedly connected with a second motor 35, the output end of the second motor 35 is fixedly connected with a bidirectional threaded rod 36, the bidirectional threaded rod 36 is rotatably connected to the inside of the rotating disc 33, the inside of the rotating disc 33 is fixedly connected with a first limiting shaft 37, the outside of the bidirectional threaded rod 36 is threadedly connected with a second sliding block 38, the second sliding block 38 is slidingly connected to the outside of the first limiting shaft 37, the second sliding block 38 is slidingly connected to the inside of the rotating disc 33, the rotating disc 33 is driven to rotate by the rotating shaft 32, the position of the fixed special-shaped flange is rotated, when the rotating disc 33 rotates, the rotating disc 33 rotates more stably through the corresponding slot of the semicircle block 34 and the fixed base 1, the fixed base 1 is provided with a slot at the corresponding position of the semicircle block 34, the semicircle block 34 slides in the slot, so that the rotating disc 33 rotates more stably through the corresponding slot of the semicircle block 34 and the fixed base 1, and the stability is improved

[0025] When working, the special-shaped flange is placed on the rotating disc 33, the second motor 35 is started to drive the bidirectional threaded rod 36 to rotate in the inside of the rotating disc 33, the two second sliding blocks 38 are driven to slide in the slot of the rotating disc 33, the second sliding blocks 38 are limited by the two first limiting shafts 37, the two square frames 28 are driven to move in the opposite direction synchronously, the diameter of the special-shaped flange is adjusted, the first rotating block 26 is rotated to drive the lifting threaded rod 24 to rotate in the inside of the mounting frame 21, the first sliding block 27 is limited up and down through the corresponding slot of the first limiting rod 25 and the mounting frame 21, so that the square frame 28 slides up and down, the plurality of limiting frames 211 slide in the inside of the limiting frame 211, the special-shaped flange is flexibly clamped through the contact of the plurality of flexible pins 212 and the special-shaped flange, the upper side of the special-shaped flange is stably fixed, the first motor 31 is driven to drive the rotating shaft 32 to rotate, the rotating disc 33 is driven to rotate by the rotating shaft 32, the position of the fixed special-shaped flange is rotated, when the rotating disc 33 rotates, the rotating disc 33 rotates more stably through the corresponding slot of the semicircle block 34 and the fixed base 1, the direction of the two square frames 28 can be adjusted through the bolt 22, so that the inner diameter of the special-shaped flange is clamped conveniently, and the outer diameter of the special-shaped flange can also be clamped.

[0026] Through the above steps, by the shape of the special-shaped flange, the corresponding limiting frame 211 is abutted, which improves the clamping and fixing stability of the special-shaped flange, improves the machining precision of the special-shaped flange, and solves the problem that the machining precision of the special-shaped flange may be reduced due to the ineffective clamping of the special-shaped flange, which reduces the machining efficiency.

Claims

1. A fixed clamping device for processing special-shaped flanges, comprising a fixed base (1), characterized in that: The square frame (28) is provided with a slot at the corresponding position of the limiting disc (29), and the limiting disc (29) slides in the slot.

2. The fixed clamping device for special-shaped flange machining according to claim 1, characterized in that: The flexible pins (212) are symmetrically distributed in the square frame (28).

3. The fixed clamping device for special-shaped flange machining according to claim 1, characterized in that: The rotating assembly comprises a first motor (31) fixedly connected to the inside of the fixed base (1), an output end of the first motor (31) is fixedly connected with a rotating shaft (32), a top of the rotating shaft (32) is fixedly connected with a rotating disc (33), an inside of the rotating disc (33) is fixedly connected with a semicircle block (34) which is slidably connected to the inside of the fixed base (1), an inside of the rotating disc (33) is fixedly connected with a second motor (35), an output end of the second motor (35) is fixedly connected with a bidirectional threaded rod (36) which is rotatably connected to the inside of the rotating disc (33), an inside of the rotating disc (33) is fixedly connected with a first limiting shaft (37), an outside of the bidirectional threaded rod (36) is threadedly connected with a second sliding block (38) which is slidably connected to the outside of the first limiting shaft (37), and the second sliding block (38) is slidably connected to the inside of the rotating disc (33).

4. The fixed clamping device for special-shaped flange machining according to claim 1, characterized in that: The second sliding block (38) is provided with a mounting frame (21) on the top, a bolt (22) is rotatably connected to the inside of the mounting frame (21) and is threadedly connected to the inside of the second sliding block (38), a gasket (23) is arranged between the bolt (22) and the mounting frame (21), a lifting threaded rod (24) is rotatably connected to the inside of the mounting frame (21), a first rotating block (26) is fixedly connected to the top of the lifting threaded rod (24), a first limiting rod (25) is fixedly connected to the inside of the mounting frame (21), the outside of the lifting threaded rod (24) is threadedly connected with a first sliding block (27), the first sliding block (27) is slidably connected to the outside of the first limiting rod (25), the first sliding block (27) is slidably connected to the inside of the mounting frame (21), and the square frame (28) is fixedly connected to the inside of the first sliding block (27).

5. The fixed clamping device for processing of a special-shaped flange according to claim 4, characterized in that: ​ 6. The fixed clamping device for processing of a special-shaped flange according to claim 4, characterized in that: ​ 7. The fixed clamping device for processing of a special-shaped flange according to claim 6, characterized in that: The mounting frame (21) is provided with a slot at a position corresponding to the first sliding block (27), and the first sliding block (27) slides in the slot.

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