Search

CN-121988846-A - A valve processing is with plasma cutting device for rejecting burr

CN121988846ACN 121988846 ACN121988846 ACN 121988846ACN-121988846-A

Abstract

The invention discloses a plasma cutting device for valve processing for removing burrs, and relates to the technical field of plasma cutting devices. This a plasma cutting device for valve processing for rejecting burr carries out spacingly and jack-up to circular valve plate work piece through climbing mechanism, makes circular valve plate work piece break away from monoblock metal sheet, sweeps the circular valve plate work piece bottom surface through the brush-holder stud simultaneously, sweeps down the slag of adhesion in circular valve plate work piece bottom surface, do benefit to electromagnetic chuck and stably adsorb, switch the position of cutting rifle and grinding machanism through the cylinder simultaneously, be convenient for the grinding roller and polish the operation, and grinding machanism sweeps down the slag piece that is close to the edge and the piece that adheres to at the work piece edge after polishing when polishing, prevent that the problem that the residual slag is protruding to cause inhomogeneous wearing and tearing or the mar to lead to valve plate size and shape to change in the polishing process.

Inventors

  • YANG GENGJUN

Assignees

  • 盐城思达德民力阀门有限公司

Dates

Publication Date
20260508
Application Date
20260311

Claims (10)

  1. 1. The plasma cutting device for valve processing for removing burrs comprises a workbench (2) arranged above a machine body (1) and a rotary machine head assembly (9) arranged above the workbench (2), and is characterized in that a rotating shaft (27) and a sleeve plate (26) are arranged on a connecting plate (19) at one side of the rotary machine head assembly (9); The surface of the connecting plate (19) and the end part of the sleeve plate (26) are connected with an air cylinder (21) for pushing the polishing mechanism (8) to switch through a rotary seat (22), the polishing mechanism (8) comprises a mounting plate (804) connected to the end part of the sleeve plate (26), a hairbrush (802) for swinging slag scraps at the edge of a sweeping plate and provided with a traction rod (33) at the side surface and a grinding roller (803) for removing burrs are arranged at the side surface of the mounting plate (804), and a disc (30) provided with a traction groove (32) is sleeved on the outer side of a transmission shaft (31) connected with the grinding roller (803); the electric push rod (11) for driving the lifting mechanism (6) to ascend is arranged on the bottom surface of the workbench (2), the lifting mechanism (6) comprises a support rod (604) and a rotating shaft post (603) which slide and lift on the workbench (2), an electromagnetic chuck (601) for electromagnetic adsorption of a plate is arranged at the top end of the support rod (604), a spiral groove (15) which rotates along with lifting of the support rod (604) is formed in the surface of the shaft post (603), the shaft post (603) drives the brush rod (17) to rotate and sweep, and the lifting mechanism (6) is matched with the polishing mechanism (8), so that the influence of offset and slag on burr removal is reduced.
  2. 2. The plasma cutting device for removing burrs for valve machining of claim 1, wherein a connecting plate (19) is arranged on one side of the rotary machine head assembly (9) far away from the machine head driving assembly (10) through bolts, a rotating shaft (27) is fixed at the center of the connecting plate (19), an L-shaped sleeve plate (26) for rotary switching is movably sleeved on the outer side of the rotating shaft (27), and a sliding rail (7) is arranged on the outer side edge of the workbench (2); The automatic cutting machine is characterized in that the outer side of the sliding rail (7) is electrically and slidably connected with the linear driving assembly (3), a portal frame (4) for adjusting the cutting position is arranged above the workbench (2), two ends of the portal frame (4) are connected with the linear driving assembly (3), a net-shaped supporting partition plate (5) for supporting a metal plate is arranged in an inner cavity of the workbench (2), a machine head driving assembly (10) is arranged at the edge of the portal frame (4), and a rotary machine head assembly (9) is connected with the machine head driving assembly (10) through bolts.
  3. 3. The plasma cutting device for valve machining for removing burrs, as claimed in claim 1, wherein one end of the sleeve plate (26) is fixedly connected with a rotating frame (25), a first rotating seat (22) is arranged on the surface of the connecting plate (19), a movable connection structure is arranged between the air cylinder (21) and the first rotating seat (22), and the polishing mechanism (8) is connected to one end, far away from the rotating frame (25), of the sleeve plate (26).
  4. 4. The plasma cutting device for valve machining for removing burrs, as set forth in claim 3, is characterized in that the hairbrush (802) movably penetrates through two ends of the mounting plate (804), a transmission shaft (31) is installed at the center of the mounting plate (804) through a bearing, a motor (801) located on the surface of the mounting plate (804) is connected to the end of the transmission shaft (31) through a coupling, a grinding roller (803) for removing burrs on the edge of a cut plate is fixedly connected to the end, far away from the motor (801), of the transmission shaft (31), and a second rotating seat (23) which does not prevent the extension pushing of the cylinder (21) is connected between the mounting plate (804) and the cylinder (21).
  5. 5. The plasma cutting device for valve processing for removing burrs, as set forth in claim 4, characterized in that a sleeve frame (24) for pressing the cutting gun (20) is connected to the side surface of the rotating frame (25) through bolts, the cutting gun (20) is located between the rotating frame (25) and the sleeve frame (24), an arc-shaped groove (28) for stably guiding the rotating operation of the rotating frame (25) is formed in the inner side of the connecting plate (19), and sliding blocks (29) fixed at two ends of the rotating frame (25) are connected to the inner side of the arc-shaped groove (28) in a sliding mode.
  6. 6. The plasma cutting device for valve machining for removing burrs, as set forth in claim 5, characterized in that a disc (30) is fixedly sleeved on the outer side of the transmission shaft (31), one side of the brush (802) is connected with a traction rod (33) driving the brush (802) to swing, and the traction groove (32) is in a petal shape formed by connecting concave arc sections and convex arc sections.
  7. 7. The plasma cutting device for valve machining for removing burrs, as claimed in claim 1, is characterized in that a jacking mechanism (6) is arranged in a separation cavity formed by the inner side of the workbench (2) and the supporting partition plate (5), a U-shaped supporting frame (12) is fixedly connected to the bottom surface of the workbench (2), and an electric push rod (11) for driving the jacking mechanism (6) to operate is arranged at the bottom end of the supporting frame (12) through bolts.
  8. 8. The plasma cutting device for valve machining for removing burrs, as set forth in claim 7, characterized in that L-shaped rods (13) are slidably penetrated through the bottom surface of the workbench (2), four L-shaped rods (13) are provided, a round push plate (14) is connected between the four L-shaped rods (13), and the output end of the electric push rod (11) is connected with the push plate (14).
  9. 9. The plasma cutting device for valve processing for removing burrs, as set forth in claim 8, characterized in that the L-shaped rod (13) is connected with a jacking mechanism (6), the jacking mechanism (6) comprises a shaft column (603) which is arranged in a compartment defined by the workbench (2) and the supporting partition board (5) through a bearing, and the top end of the L-shaped rod (13) is connected with a lifting supporting rod (604); An electromagnetic chuck (601) for electromagnetic adsorption of the cut plate block is arranged at the top end of the supporting rod (604) and connected through an electric control, and a baffle (602) is arranged on the surface of the workbench (2) positioned on the outer side of the electromagnetic chuck (601).
  10. 10. The plasma cutting device for valve processing for removing burrs, as set forth in claim 9, characterized in that a movable sleeve structure is arranged between the baffle (602) and the shaft post (603), and a spiral groove (15) and a lifting groove (18) with connected ends are arranged on the outer side surface of the shaft post (603); the side of one of the supporting rods (604) is connected with a sliding rod (16) which is in a sliding connection structure with the spiral groove (15), the sliding rod (16) is in a sliding connection structure with the lifting groove (18), and the top end of the shaft column (603) is provided with a brush rod (17) for cleaning the bottom surface of the circular valve plate through a bolt.

Description

A valve processing is with plasma cutting device for rejecting burr Technical Field The invention relates to the technical field of plasma cutting devices, in particular to a plasma cutting device for valve machining, which is used for removing burrs. Background The plasma cutting device is a high-efficiency tool widely used for valve processing, and mainly cuts metal materials through a high-temperature plasma arc, and the working principle is that gas is heated into a plasma state through an electrode to form the high-temperature plasma arc, so that the metal can be melted and blown away rapidly, and the cutting mode has various advantages, firstly, the plasma cutting speed is high, the plasma cutting device is suitable for metal materials with larger thickness, the processing efficiency can be improved, complex shapes and contours can be processed, and the valve processing device is suitable for different types of valve processing requirements; The prior art CN219767055U is known to be a special plasma numerical control cutting device for steel members, aiming at the problems that the prior art can only limit the steel members from two sides and can not limit the periphery at the same time, the limiting effect is limited, a supporting plate is not provided with a limiting mechanism, the supporting plate is easy to slide due to external force in the processing process, and the abrasion to the steel members is easy to occur, the prior art proposal comprises a base, two mounting frames and an electric push rod are fixedly connected to the surface of the base, a cutting device main body is arranged between the two mounting frames, a fixed pipe is fixedly connected to one end of an output shaft of the electric push rod, and a sliding rod is slidingly connected to the inner wall of the fixed pipe; When the plasma cutting device cuts a whole metal plate into a small round valve plate workpiece, a small amount of burrs are generated on the edge after cutting, additional working procedures are needed to be carried out in the later stage, but slag generated by mixing oxides and metal scraps is adhered to the edge of the plate or the surface close to the edge, a grinding roller is firstly contacted with slag due to the protrusion of the slag when grinding, the situation of uneven grinding is caused by the fact that the grinding roller is not the edge of the round valve plate workpiece, the round valve plate workpiece is not separated from the whole metal plate after cutting, the interference of the slag and the metal plate can influence the elimination work of the burrs, and the quality of valve plate processing is reduced. Disclosure of Invention The invention aims to provide a plasma cutting device for valve processing for removing burrs, which is used for solving the problems of the background technology. The invention provides a plasma cutting device for processing a valve for removing burrs, which comprises a workbench arranged above a machine body and a rotary machine head assembly arranged above the workbench, wherein a connecting plate at one side of the rotary machine head assembly is provided with a rotating shaft and a sleeve plate; The surface of the connecting plate and the end part of the sleeve plate are connected with an air cylinder for pushing the polishing mechanism to switch through a first rotary seat, the polishing mechanism comprises a mounting plate connected to the end part of the sleeve plate, slag fragments at the edge of a swinging and sweeping plate are arranged on the side surface of the mounting plate, a brush with a traction rod on the side surface and a polishing roller for removing burrs are arranged on the side surface of the mounting plate, and a disc provided with a traction groove is sleeved on the outer side of a transmission shaft connected with the polishing roller; The electric push rod for driving the lifting mechanism to ascend is arranged on the bottom surface of the workbench, the lifting mechanism comprises a supporting rod and a rotating shaft column, the supporting rod is slidably lifted on the workbench, an electromagnetic chuck for electromagnetic adsorption is arranged at the top end of the supporting rod, a spiral groove which rotates along with lifting of the supporting rod is formed in the surface of the shaft column, the shaft column drives the brush rod to rotate and sweep, and the lifting mechanism is matched with the grinding mechanism, so that the influence of offset and slag on removing burrs is reduced. Further, a connecting plate is arranged on one side, far away from the head driving assembly, of the rotating head assembly through a bolt, a rotating shaft is fixed in the center of the connecting plate, an L-shaped sleeve plate for rotating and switching is movably sleeved on the outer side of the rotating shaft, and a sliding rail is arranged on the outer side edge of the workbench; The automatic cutting machine is characterized in that the outer side