CN213257144U - Cutting knife rotary table assembly system structure of gate valve repairing and cutting device - Google Patents

Abstract

The utility model discloses a cutting knife rotary table subassembly system architecture of gate valve restoration cutting device, be provided with the cutting knife on the outer wall of the piece behind the jack catch dish and feed miniature servo motor power terminal, the flexible rotatory square hole of jack catch, the installation face of slip overcoat driving lever and the installation face of tool row and jack catch dish back piece, install six knife rest bearings on the piece excircle behind the knife rest, install in the middle of the piece behind the knife rest and feed miniature servo motor power sliding ring, feed miniature servo motor power sliding ring and knife rest bearing and install in the axis slip overcoat together, feed miniature servo motor power sliding ring both ends and lock the spring coil through the knife rest bearing; the micro-servo feeding motor, the motor mounting outer sleeve and the cutting knife power bevel gear are mounted in the tool rest rear part together, the cutting knife power bevel gear is matched with the cutting knife feeding bevel gear, and the cutting knife feeding bevel gear is mounted on the cutting knife screw. The utility model has the advantages of reasonable design, it is horizontal vertical and rotatory feed accurate, the cutting effect is good, and the practicality is strong.

Description

Cutting knife rotary table assembly system structure of gate valve repairing and cutting device

Technical Field

The utility model relates to a cutting knife carousel subassembly, concretely relates to cutting device's cutting knife carousel subassembly system architecture is restoreed to gate valve.

Background

Generally speaking, more than DN200 and more than 230Kg of large-diameter gate valve, if the sealing surface of the gate valve needs to be repaired at present, only the whole valve body is replaced, the work is very heavy, the cost is extremely high, and the operation personnel can be radiated in a high-radiation environment to greatly influence the health of the human body. Therefore, it is necessary to design a gate valve repairing and cutting device, and the cutting knife turntable assembly of the conventional gate valve repairing and cutting device has an unreasonable structural design and low feeding precision, thereby resulting in poor cutting effect.

To sum up, the utility model designs a cutting knife carousel subassembly system structure rational in infrastructure, cutting device is restoreed to excellent in use effect's gate valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cutting knife carousel subassembly system architecture that cutting device was restoreed to gate valve, structural design is reasonable to exist on the prior art, and horizontal vertical and rotatory feed is accurate, and the cutting effect is good, and the practicality is strong.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a cutting knife rotary table assembly structure of a gate valve repairing and cutting device comprises a synchronous belt pulley, a cutting knife feeding micro servo motor power terminal, a clamping jaw disc rear part, a clamping jaw telescopic rotating square hole, a clamping jaw disc front part, a clamping jaw, a knife rest front part, a clamping jaw disc bevel gear assembly, a feeding micro servo motor power slip ring, an axis sliding outer sleeve, a knife rest bearing, a cutting knife feeding bevel gear, a cutting knife power bevel gear, a cutting knife screw, a motor mounting outer sleeve, a cutting knife, a knife rest bearing locking spring ring, a knife rest rear part, a feeding micro servo motor, a motor terminal, a synchronous wheel transmission outer hexagon, a synchronous wheel bearing and a knife rest rear part inner hexagon; the clamping jaw disc front piece is connected with the clamping jaw disc rear piece through a bolt, four clamping jaws are arranged on the clamping jaw disc front piece, a cutting knife feeding micro servo motor power terminal, a clamping jaw telescopic rotating square hole, a mounting surface of a sliding outer sleeve deflector rod and a mounting surface of a knife row and the clamping jaw disc rear piece are arranged on the outer wall of the clamping jaw disc rear piece, six knife rest bearings are mounted on the outer circle of the knife rest rear piece, a feeding micro servo motor power slip ring is mounted in the middle of the knife rest rear piece, the feeding micro servo motor power slip ring and the knife rest bearings are mounted in an axis sliding outer sleeve together, and two ends of the feeding micro servo motor power slip ring are locked through; the feeding micro servo motor, the motor mounting outer sleeve and the cutting knife power bevel gear are mounted in the tool rest rear part together, the cutting knife power bevel gear is matched with the cutting knife feeding bevel gear, the cutting knife feeding bevel gear is mounted on a cutting knife screw, the cutting knife screw and the cutting knife outer sleeve are connectors, the cutting knife is mounted in the cutting knife outer sleeve, the cutting knife feeding bevel gear is in transmission connection with the feeding micro servo motor, a motor binding post is arranged on the feeding micro servo motor, and the motor binding post penetrates through a punching hole position of the tool rest rear part through a flexible wire to connect a power supply to the feeding; the synchronous pulley is internally provided with a synchronous wheel bearing, the synchronous wheel bearing is arranged on a step at the rear end of the claw disk rear part and is locked by a clamp spring, and a synchronous wheel transmission outer hexagon body is matched with a tool rest rear part inner hexagon.

Preferably, the feeding micro servo motor power slip ring and the tool rest rear piece rotate synchronously.

Preferably, the axis sliding outer sleeve is arranged in the connecting body of the jaw plate back piece and the jaw plate front piece.

Preferably, the cutting knife feeding micro servo motor power terminal is inserted on the jaw disc rear part and penetrates through the inner diameter of the jaw disc rear part, the cutting knife feeding micro servo motor power terminal is in close contact with a horizontal copper insertion strip on the axis sliding outer sleeve, a through hole is formed in the position, opposite to the feeding micro servo motor power slip ring, of the axis sliding outer sleeve, a copper connecting column is installed in the through hole, and the copper connecting column is in close contact with the feeding micro servo motor power slip ring.

The utility model has the advantages that: the utility model has the advantages of reasonable design, convenient to use is reliable, and horizontal vertical and rotatory feed is accurate, and cutting effect is good, and the practicality is strong.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic plan view of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the following technical solutions are adopted in the present embodiment: a cutting knife rotary table assembly structure of a gate valve repairing and cutting device comprises a synchronous belt pulley 1, a cutting knife feeding micro servo motor power terminal 2, a jaw disc rear part 3, a jaw telescopic rotating square hole 4, a jaw disc front part 5, a jaw 6, a knife rest front part 7, a jaw disc bevel gear assembly 8, a feeding micro servo motor power slip ring 9, an axis sliding outer sleeve 10, a knife rest bearing 11, a cutting knife feeding bevel gear 12, a cutting knife power bevel gear 13, a cutting knife screw 14, a motor mounting outer sleeve 15, a cutting knife outer sleeve 16, a cutting knife 17, a knife rest bearing locking spring ring 18, a knife rest rear part 19, a feeding micro servo motor 20, a motor terminal 21, a synchronous wheel transmission outer hexagon body 22, a synchronous wheel bearing 23 and a knife rest rear part inner hexagon 24; claw dish front part 5 is connected with claw dish back part 3 through the bolt, be provided with four jack catchs 6 on claw dish front part 5, it feeds miniature servo motor power terminal 2 to be provided with the cutting knife on the outer wall of claw dish back part 3, the flexible rotatory square hole 4 of jack catch, the installation face 25 of slip overcoat driving lever and the installation face 26 of tool row and claw dish back part, utilize special manual rotatory long instrument to insert in the flexible rotatory square hole 4 of jack catch, it makes four jack catchs around the synchronous liter of the central axis to contract through the rotatory messenger of claw dish bevel gear subassembly 8 drive, it supports to enable cutting knife carousel subassembly in the work piece inboard, make the axis of knife rest front part 7 and the axis coincidence of work piece, so that accurate cutting.

It is worth noting that six tool rest bearings 11 are arranged on the outer circle of the tool rest rear piece 19, a feeding micro servo motor power supply slip ring 9 is arranged in the middle of the tool rest rear piece 19, the feeding micro servo motor power supply slip ring 9 and the tool rest bearings 11 are arranged in the axis sliding outer sleeve 10 together, the feeding micro servo motor power supply slip ring 9 and the tool rest rear piece 19 rotate synchronously, and two ends of the feeding micro servo motor power supply slip ring 9 are locked through a tool rest bearing locking spring ring 18; thus, the rear part 19 of the tool holder and the axis sliding sleeve 10 only have rotary motion and do not horizontally move in the axis direction.

It is worth noting that the axial sliding outer sleeve 10 is arranged in the connecting body of the claw disk back piece 3 and the claw disk front piece 5; the axis sliding outer sleeve 10 only horizontally moves in the axis direction relative to the jaw plate rear part 3 and the jaw plate front part 5, and does not rotate, and the horizontal movement meets the requirement of the cutting knife on horizontal required feed.

It is worth noting that the feeding micro servo motor 20, the motor mounting outer sleeve 15 and the cutting knife power bevel gear 13 are mounted in the rear tool rest piece 19 together, the cutting knife power bevel gear 13 is matched with the cutting knife feeding bevel gear 12, the cutting knife feeding bevel gear 12 is mounted on the cutting knife screw 14, the cutting knife screw 14 and the cutting knife outer sleeve 16 are connectors, and the cutting knife 17 is mounted in the cutting knife outer sleeve 16, so that the feeding micro servo motor 20 gives power to transmit the power to the cutting knife feeding bevel gear 12 to rotate, and the cutting knife is driven to move forward or backward, and the requirement of feeding needed by the radial direction of the cutting knife is.

It is worth noting that the cutting knife feeding bevel gear 12 is in transmission connection with a feeding micro servo motor 20, a motor terminal 21 is arranged on the feeding micro servo motor 20, and the motor terminal 21 passes through the punching position of the knife rest rear piece 19 through a flexible wire to connect a power supply to the feeding micro servo motor 20;

it is worth noting that the cutting knife feeding micro servo motor power terminal 2 is inserted on the claw disk rear part 3 and penetrates through the inner diameter of the claw disk rear part 3, the cutting knife feeding micro servo motor power terminal 2 is tightly contacted with the horizontal copper insertion strip on the axis sliding outer sleeve 10, the axial sliding outer sleeve 10 can keep good contact when moving horizontally, the position of the axial sliding outer sleeve 10 relative to the feeding micro servo motor power slip ring 9 is provided with a through hole, a copper connecting column is arranged in the through hole, when the tool rest rotates, the tool rest is ensured to be in close contact with the feeding micro servo motor power slip ring 9, because the feed micro-servo motor power slip ring 9 is fixed for rotation with the tool post back piece 19, the power supply is connected to the motor terminal 21 through a cord by punching a hole in the rear part 19 of the blade holder at a suitable position, so that the feed micro-servo motor 20 is powered.

In addition, a synchronous wheel bearing 23 is arranged in the synchronous pulley 1, the synchronous wheel bearing is installed on a step at the rear end of the claw disk rear part 3 and locked through a clamp spring, and a synchronous wheel transmission outer hexagon 22 is matched with a tool rest rear part inner hexagon 24. The matched length ensures that the power can still be transmitted perfectly in the maximum horizontal movement range of the axis sliding outer sleeve 10, and the power is output by the cutting knife rotating servo motor, transmitted by the transmission synchronous belt and input to the synchronous belt wheel 1, so that the cutting knife turntable assembly system obtains the rotary power, and the cutting knife rotating feed requirement is met.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a cutting knife carousel subassembly system architecture of cutting device is restoreed to gate valve, which is characterized in that, including synchronous pulley (1), the cutting knife feeds miniature servo motor power terminal (2), jack catch dish back part (3), jack catch flexible rotatory square hole (4), jack catch dish front part (5), jack catch (6), tool rest front part (7), jack catch dish bevel gear subassembly (8), feed miniature servo motor power sliding ring (9), axis slip overcoat (10), knife rest bearing (11), cutting knife feed bevel gear (12), cutting knife power bevel gear (13), cutting knife screw rod (14), motor installation overcoat (15), cutting knife overcoat (16), cutting knife (17), knife rest bearing locking spring coil (18), tool rest back part (19), feed miniature servo motor (20), motor terminal (21), synchronizing wheel transmission outer hexagon (22), A synchronous wheel bearing (23) and a tool rest rear piece inner hexagon (24); the clamping jaw disc front piece (5) is connected with the clamping jaw disc rear piece (3) through a bolt, four clamping jaws (6) are arranged on the clamping jaw disc front piece (5), a cutting knife feeding micro servo motor power terminal (2), a clamping jaw telescopic rotating square hole (4), a mounting surface (25) of a sliding outer sleeve deflector rod and a mounting surface (26) of a knife row and the clamping jaw disc rear piece are arranged on the outer wall of the clamping jaw disc rear piece (3), six knife rest bearings (11) are mounted on the outer circle of the knife rest rear piece (19), a feeding micro servo motor power slip ring (9) is mounted in the middle of the knife rest rear piece (19), the feeding micro servo motor power slip ring (9) and the knife rest bearings (11) are mounted in an axis sliding outer sleeve (10) together, and two ends of the feeding micro servo motor power slip ring (9) are locked through knife rest bearing; the feeding micro servo motor (20), the motor mounting outer sleeve (15) and the cutting knife power bevel gear (13) are mounted in the tool rest rear part (19) together, the cutting knife power bevel gear (13) is matched with the cutting knife feeding bevel gear (12), the cutting knife feeding bevel gear (12) is mounted on a cutting knife screw (14), the cutting knife screw (14) and the cutting knife outer sleeve (16) are connectors, the cutting knife (17) is mounted in the cutting knife outer sleeve (16), the cutting knife feeding bevel gear (12) is in transmission connection with the feeding micro servo motor (20), a motor binding post (21) is arranged on the feeding micro servo motor (20), and the motor binding post (21) penetrates through a punching position of the tool rest rear part (19) through a flexible wire to connect a power supply to the feeding micro servo motor (20); a synchronous wheel bearing (23) is arranged in the synchronous belt wheel (1), the synchronous wheel bearing is installed on a step at the rear end of the claw disc rear part (3) and locked through a clamp spring, and a synchronous wheel transmission outer hexagon body (22) is matched with a tool rest rear part inner hexagon (24).

2. The cutting knife turntable assembly system structure of gate valve repairing cutting device according to claim 1, characterized in that said feeding micro servo motor power slip ring (9) and knife rest back piece (19) rotate synchronously.

3. The cutting knife turntable assembly system structure of a gate valve repairing cutting device, according to claim 1, characterized in that the axis sliding outer sleeve (10) is installed in the connecting body of the claw disk back piece (3) and the claw disk front piece (5).

4. The cutting knife rotary table assembly structure of the gate valve repairing cutting device according to claim 1, characterized in that the cutting knife feeding micro servo motor power terminal (2) is inserted on the jaw plate back piece (3) and penetrates through the inner diameter of the jaw plate back piece (3), the cutting knife feeding micro servo motor power terminal (2) is in close contact with a horizontal copper fillet on the axis sliding outer sleeve (10), a through hole is formed in the position of the axis sliding outer sleeve (10) corresponding to the feeding micro servo motor power slip ring (9), a copper connecting column is installed in the through hole, and the copper connecting column is in close contact with the feeding micro servo motor power slip ring (9).

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