CN217122202U

CN217122202U - Large-diameter gate valve sealing surface aluminum bronze surfacing device

Info

Publication number: CN217122202U
Application number: CN202220903259.7U
Authority: CN
Inventors: 于中涛; 张晓军
Original assignee: Zhejiang Jingfeng Robot Technology Co ltd
Current assignee: Zhejiang Jingfeng Robot Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-05
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a sealed face build-up welding aluminium bronze device of heavy-calibre gate valve aims at providing the better sealed face build-up welding aluminium bronze device of heavy-calibre gate valve of a stability. Including gate valve fixing device, welding machine, switch board, dust remover, butterfly valve fixing device, robot and clear rifle cut the silk device, gate valve fixing device and butterfly valve fixing device set up respectively in the robot left and right sides, welding machine, dust remover, butterfly valve fixing device, robot and clear rifle cut the silk device and all are connected with the switch board electricity, gate valve fixing device includes unable adjustment base and chuck, the chuck is installed on unable adjustment base, all clamp on chuck and the butterfly valve fixing device and treat the weldment, nonstandard base is installed to the bottom of robot, install welder on the robot, welder welds the area weldment on chuck and the butterfly valve fixing device. The utility model has the advantages that: the stability is better.

Description

Large-diameter gate valve sealing surface aluminum bronze surfacing device

Technical Field

The utility model belongs to the technical field of the sealed face build-up welding of gate valve and specifically relates to indicate a sealed face build-up welding aluminium bronze device of heavy-calibre gate valve.

Background

The gate valve is a shutter plate, the moving direction of the shutter plate is perpendicular to the fluid direction, and the gate valve can only be fully opened and fully closed, and cannot be adjusted and throttled. Gate valves are sealed by the contact of the valve seat and gate plate, and the sealing surface is usually welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate.

In the prior art, for the wear-resisting and scratch-resistant capacities of the valve plate of the gate valve and the valve plate of the butterfly valve, usually, wear-resisting materials are required to be overlaid on the sealing surfaces on the two sides of the gate plate, then the sealing surfaces on the two sides of the gate plate are sequentially processed, but the existing overlaying technology is complex in operation, overlaying processing can not be carried out on the gate valve and the butterfly valve simultaneously, and the processing efficiency is restricted.

Chinese patent publication No.: CN201883146U, published 2011, 06, 29, discloses a gate valve wedge horse shoe valve seat sealing surface build-up welding device, characterized by: the device mainly comprises a bottom plate provided with parallel guide pillars and guide sleeves, a lead screw transmission pair, a servo motor, a tracker and a control system center, wherein a lead screw of the lead screw transmission pair is connected with the output end of the servo motor fixed on the bottom plate, and the tracker is connected with the servo motor and the control system center through wires.

The scheme is directly applied to powder plasma coating welding special equipment, workpieces are directly clamped, the workpiece processing surface does not need to be inclined to be in a horizontal position, the distance between the powder nozzle and the workpieces is regulated and controlled through the tracker, the equidistant coating of the wedge-shaped horseshoe surface or the oval circumferential seam allowance can be kept, and the supply amount of powder is controlled through controlling the nozzle opening control valve. The disadvantages are that: the processing efficiency is restricted, and the stability of the fixing device is poor.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the relatively poor not enough of gate valve sealing face build-up welding device stability among the prior art, provide a better heavy-calibre gate valve sealing face build-up welding aluminium bronze device of stability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sealed face build-up welding of heavy-calibre gate valve aluminium bronze device, includes gate valve fixing device, welding machine, switch board, dust remover, butterfly valve fixing device, robot and clear rifle cut the silk device, gate valve fixing device and butterfly valve fixing device set up respectively in the robot left and right sides, welding machine, dust remover, butterfly valve fixing device, robot and clear rifle cut the silk device and all be connected with the switch board electricity, gate valve fixing device includes unable adjustment base and chuck, the chuck is installed on unable adjustment base, all clamp on chuck and the butterfly valve fixing device and treat the welding workpiece, non-standard base is installed to the bottom of robot, install welder on the robot, welder welds the area welding workpiece on chuck and the butterfly valve fixing device.

The automatic surfacing equipment consists of a gate valve fixing device, a welding machine, a control cabinet, a dust remover, a butterfly valve fixing device, a robot body and a gun cleaning and wire cutting device. The specific working process of the gate valve body is as follows: s1, placing the gate valve body on a chuck of the fixed base, and clamping; s2, reserving and starting the robot body; s3, automatically searching the height of the weld joint by the robot; s4, starting welding after the height is determined; s5, stopping after welding; and S6, manually turning the valve body or replacing the product, and waiting for the next appointment. The specific working flow of the gate valve plate is as follows: s1, placing the gate valve body on a chuck of the fixed base, and clamping; s2, reserving and starting the robot body; s3, automatic welding; s4, stopping after welding; and S6, manually overturning the valve plate or replacing the product, and waiting for the next appointment. After the surfacing is finished, the dust remover removes dust for the surfacing process, and the gun cleaning and wire cutting device cleans a welding gun on the robot body synchronously, so that a clean environment is provided for the whole surfacing work, and further the work efficiency is improved. The butterfly valve plate is because the welding position is high, need join in marriage a non-standard base, and the base is two-layer, can dismantle, uses two-layer base during the welding valve plate for the robot is in the high level, only uses robot one deck base during the welding valve body, makes the robot be in the low level, and this non-standard base visual aspect replacement is for the lifting base, only is used for adjusting robot body operating height, increases the build-up welding convenience. The whole surfacing process is controlled by an automatic program, the butterfly valve and the gate valve are controlled by the same surfacing device, the external controller of the robot body adopts a DX200 controller, and a full-digital servo module is adopted to provide a driving power supply for alternating current servo motors of 6 joints of the robot body, so that the robot body has the capability of providing up to 54 servo motor shaft synchronous coordination control to complete linear interpolation and circular interpolation. The control cabinet is internally provided with a control system, the control system adopts a friendly and simple programming interface and icon type keys, so that an operator can learn and feel more comfortable. The control system is internally provided with a distributed hardware structure and reduced instruction set software, so that strict time sequence and task execution can be guaranteed. The gate valve's material is nodular cast iron, and the welding material is aluminium bronze, and sealed face can not have oil stain, water stain, rust mark, sand hole etc. and influence the defect of build-up welding effect, welding requirement: aluminum bronze 1.0mm does not turn over iron, when surfacing the nodular cast iron valve, if welding process parameters are proper, the nodular cast iron valve basically can not crack and deform, and when surfacing the aluminum bronze, the aluminum bronze can be ensured to be all welding wire components when a welding line is more than 1 mm. The gate valve fixing device adopts the fixing base to install and fix the gate valve plate and the valve body, the stability of the gate valve plate and the valve body during operation is increased, and the chuck adopts the manual clamping three-jaw chuck for fixing the gate valve body or the valve plate, if the positioning accuracy of the valve body or the valve plate is not good enough, the later stage can be added with a special positioning tool. The butterfly valve fixing device and the gate valve fixing device are used for fixing matched workpieces to be welded respectively and clamping the workpieces as required, and the gate valve fixing device is used for increasing the welding stability by arranging the fixing base and the chuck, so that the aim of better stability is fulfilled.

Preferably, the fixed base comprises a fixed frame and four fixed gaskets, and the four fixed gaskets are respectively connected with four corners of the bottom of the fixed frame. The installation that is used for gate valve body or valve plate is assembled jointly to mount and chuck, and the fixed shim is used for protecting the mount bottom, increases the stationarity and the fixity of mount, reduces the wearing and tearing of mount, increases mount life.

Preferably, the fixed gasket is provided with a longitudinal groove, the fixing frame comprises a plurality of transverse rods and vertical rods, the transverse rods and the vertical rods are connected in a longitudinal-transverse mode to form the fixing frame, the longitudinal groove is matched with the vertical rods of the fixing frame, and the vertical rods are arranged in the longitudinal groove and connected with the fixed gasket. The mount passes through horizontal pole and montant combination and is used for the mounting panel of placing, constitutes complete mount jointly, arranges the montant in vertical inslot and is connected with the solid fixed bolster, increases the compactness that mount and solid fixed bolster are connected.

Preferably, the connecting rod is connected in the longitudinal groove, a rod groove matched with the connecting rod is formed in the bottom of the vertical rod, the connecting rod is arranged in the rod groove, and the vertical rod is connected with the fixed gasket through the matching of the connecting rod and the rod groove. The connecting rod is connected in the longitudinal groove, the connecting rod extends into the rod groove of the vertical rod to be connected with the rod groove, an external connecting screw is combined, the vertical rod is fastened with the connecting rod and the fixing gasket, the structure is simple, and the connection is convenient.

Preferably, the fixed gasket is provided with a convex plate, the convex plate and the fixed gasket are connected into a whole, the convex plate is arranged beside the longitudinal groove, the convex plate is matched with the cross rod, and the cross rod is arranged on the convex plate and connected with the fixed gasket through a screw. On arranging the horizontal pole in the flange of solid fixed shim, combine connecting pieces such as external connection nut to fix the horizontal pole on the flange, the setting of flange has increased the contact height of solid fixed shim and horizontal pole, increases the compactness of being connected of horizontal pole and solid fixed shim, and then improves the compactness that the whole and solid fixed shim of mount are connected.

Preferably, the upper end face of the fixed convex plate and the bottom face of the fixed gasket are both connected with rubber pads, and the rubber pads on the convex plate are arranged between the convex plate and the cross rod. The design of rubber pad, the rubber pad of the up end of fixed flange for increase the compactness that horizontal pole and fixed shim are connected, and reduce wearing and tearing, the rubber pad of fixed shim bottom for reduce ground wearing and tearing, improve fixed shim's practical life.

The utility model has the advantages that: the butterfly valve fixing device and the gate valve fixing device are used for fixing the matched workpieces to be welded respectively, clamping is carried out as required, the fixing gasket is used for protecting the bottom of the fixing frame, the stability and the fixity of the fixing frame are increased, abrasion of the fixing frame is reduced, the service life of the fixing frame is prolonged, and the purpose of good stability is achieved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of a gate valve fixing device;

FIG. 3 is a schematic structural view of the stationary base;

FIG. 4 is a schematic view of the structure of the fixing pad;

fig. 5 is a schematic view of the internal structure of the side rail.

In the figure: 1. the welding robot comprises a gate valve fixing device, 11 parts of a fixing base, 111 parts of vertical rods, 112 parts of transverse rods, 133 parts of rod grooves, 12 parts of chucks, 13 parts of fixing gaskets, 131 parts of connecting rods, 132 parts of longitudinal grooves, 133 parts of convex plates, 134 parts of rubber pads, 2 parts of a welding machine, 3 parts of a control cabinet, 4 parts of a dust remover, 5 parts of a butterfly valve fixing device, 6 parts of a robot body, 61 parts of a non-standard base, 62 parts of a welding gun, 7 parts of a gun cleaning and wire cutting device and 8 parts of a workpiece to be welded.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

As shown in figure 1, the device for overlaying aluminum bronze on the sealing surface of the large-diameter gate valve comprises a gate valve fixing device 1, a welding machine 2, a control cabinet 3, a dust remover 4 and a butterfly valve fixing device 5, robot 6 and clear rifle cut wire device 7, gate valve fixing device 1 and butterfly valve fixing device 5 set up respectively in the robot 6 left and right sides, welding machine 2, dust remover 4, butterfly valve fixing device 5, robot 6 and clear rifle cut wire device 7 all are connected with switch board 3 electricity, gate valve fixing device 1 includes unable adjustment base 11 and chuck 12, chuck 12 is installed on unable adjustment base 11, it treats welding workpiece 8 to all clamp on chuck 12 and the butterfly valve fixing device 5, nonstandard base 61 is installed to the bottom of robot, install welder 62 on robot 6, welder 62 treats welding workpiece 8 to weld on chuck 12 and the butterfly valve fixing device 5.

As shown in fig. 2 and 3, the fixing base 11 includes a fixing frame and four fixing pads 13, and the four fixing pads 13 are respectively connected to four corners of the bottom of the fixing frame.

As shown in fig. 3 and 4, the fixing pad 13 is provided with a longitudinal groove 132, the fixing frame includes a plurality of cross bars 112 and vertical bars 111, the cross bars 112 and the vertical bars 111 are connected to form the fixing frame, the longitudinal groove 132 is matched with the vertical bars 111 of the fixing frame, and the vertical bars 111 are disposed in the longitudinal groove 132 and connected to the fixing pad 13.

As shown in fig. 5, a connecting rod 131 is connected in the longitudinal groove 132, a rod groove 113 matched with the connecting rod 131 is formed at the bottom of the vertical rod 111, the connecting rod 131 is arranged in the rod groove 113, and the vertical rod 111 is connected with the fixing pad 13 through the matching of the connecting rod 131 and the rod groove 113.

The fixed gasket 13 is provided with a convex plate 133, the convex plate 133 and the fixed gasket 13 are connected into a whole, the convex plate 133 is arranged at the side of the longitudinal groove 132, the convex plate 133 is matched with the cross rod 112, and the cross rod 112 is arranged on the convex plate 133 and is connected with the fixed gasket 13 through a screw.

Rubber pads 134 are connected to the upper end surface of the fixed convex plate 133 and the bottom surface of the fixed gasket 13, and the rubber pads 134 on the convex plate 133 are arranged between the convex plate 133 and the cross bar 112.

The automatic surfacing equipment consists of a gate valve fixing device 1, a welding machine 2, a control cabinet 3, a dust remover 4, a butterfly valve fixing device 5, a robot body 6 and a gun cleaning and wire cutting device 7. The specific working process of the gate valve body is as follows: s1, placing the gate valve body on the chuck 12 of the fixed base 11, and clamping; s2, starting the robot body 6 in an appointment mode; s3, automatically searching the height of the weld joint by the robot; s4, starting welding after the height is determined; s5, stopping after welding; and S6, manually turning the valve body or replacing the product, and waiting for the next appointment.

The specific working flow of the gate valve plate is as follows: s1, placing the gate valve body on the chuck 12 of the fixed base 11, and clamping; s2, starting the robot body 6 in an appointment mode; s3, automatic welding; s4, stopping after welding; and S6, manually overturning the valve plate or replacing the product, and waiting for the next appointment.

After the surfacing is finished, the dust remover 4 removes dust for the surfacing process, and the gun cleaning and wire cutting device 7 cleans the welding gun 62 on the robot body 6 synchronously, so that a clean environment is provided for the whole surfacing work, and further the work efficiency is improved.

The butterfly valve plate is high because the welding position, need join in marriage a non-standard base 61, and the base is two-layer, can dismantle, uses two-layer base during the welding valve plate for robot body 6 is in the high level, only uses 6 one deck bases of robot body during the welding valve body, makes robot body 6 be in the low level, and this non-standard base 61 visual condition replacement is for the lifting base, only is used for adjusting 6 work heights of robot body, increases the build-up welding convenience. The whole surfacing process is controlled by an automatic program, the butterfly valve and the gate valve are controlled by the same surfacing device, the external controller of the robot body 6 adopts a DX200 controller, and a full-digital servo module is adopted to provide a driving power supply for alternating current servo motors of 6 joints of the robot body 6, so that the robot body can provide up to 54 servo motor shafts for synchronous coordinated control, and linear interpolation and circular interpolation are completed. The control cabinet 3 is internally provided with a control system which adopts a friendly and simple programming interface and icon type keys, so that an operator can learn and feel more comfortable.

The control system is internally provided with a distributed hardware structure and reduced instruction set software, so that strict time sequence and task execution can be guaranteed. The gate valve's material is nodular cast iron, and the welding material is aluminium bronze, and sealed face can not have oil stain, water stain, rust mark, sand hole etc. and influence the defect of build-up welding effect, welding requirement: aluminum bronze 1.0mm does not turn over iron, when surfacing the nodular cast iron valve, if welding process parameters are proper, the nodular cast iron valve basically can not crack and deform, and when surfacing the aluminum bronze, the aluminum bronze can be ensured to be all welding wire components when a welding line is more than 1 mm.

Before gate valve plate or valve body installation, need to assemble mount and fixed gasket 13, arrange the montant 111 of mount in the vertical groove 132 of fixed gasket 13 earlier, connecting rod 131 on vertical groove 132 is arranged in the rod groove 113 of vertical pole, carry out equipment connection with montant 111 and fixed gasket 13, the horizontal pole 112 of mount is arranged in on the flange 133, the combination screw is fixed horizontal pole 112 and fixed gasket 13, the back finishes fixed, arrange chuck 12 in on the mounting panel that is furnished with on the mount again, be connected unable adjustment base 11 and chuck 12, then carry out the installation build-up welding of gate valve plate or valve body can.

Chuck 12 adopts manual clamping three-jaw chuck 12 for fix gate valve body or valve plate, if the positioning accuracy to valve body or valve plate is not good enough, the multiplicable special location frock of later stage, fixed gate valve body for valve plate three-jaw chuck 12 be the general three-jaw chuck 12 of lathe, the tight scope of clamp is 170~630 mm. When the gate valve body is positioned, the inner hole of the valve body is tightly supported by the three-jaw chuck 12, when the gate valve plate is positioned, the outer circular edge of the valve plate is clamped by the three-jaw chuck 12, and meanwhile, the steel plate with a certain inclination is used as a bottom plate, so that the level of the gate plate is ensured.

Claims

1. A large-diameter gate valve sealing surface surfacing welding aluminum bronze device is characterized by comprising a gate valve fixing device (1), a welding machine (2), a control cabinet (3), a dust remover (4), a butterfly valve fixing device (5), a robot body (6) and a gun cleaning wire cutting device (7), wherein the gate valve fixing device (1) and the butterfly valve fixing device (5) are respectively arranged on the left side and the right side of the robot body (6), the welding machine (2), the dust remover (4), the butterfly valve fixing device (5), the robot body (6) and the gun cleaning wire cutting device (7) are electrically connected with the control cabinet (3), the gate valve fixing device (1) comprises a fixing base (11) and a chuck (12), the chuck (12) is arranged on the fixing base (11), and workpieces (8) to be welded are clamped on the chuck (12) and the butterfly valve fixing device (5), non-standard base (61) is installed to the bottom of robot body, install welder (62) on robot body (6), welder (62) welds work piece (8) of waiting to weld on chuck (12) and butterfly valve fixing device (5).

2. The heavy-calibre gate valve sealing surface overlaying aluminum bronze device according to claim 1, wherein said fixed base (11) comprises a fixed frame and four fixed gaskets (13), said fixed gaskets (13) comprise four, and said four fixed gaskets (13) are respectively connected with four corners of the bottom of the fixed frame.

3. The large-caliber gate valve sealing surface overlaying aluminum bronze device according to claim 2, wherein the fixing gasket (13) is provided with a longitudinal groove (132), the fixing frame comprises a plurality of cross rods (112) and vertical rods (111), the cross rods (112) and the vertical rods (111) are connected in a cross-bar connection mode to form the fixing frame, the longitudinal groove (132) is matched with the vertical rods (111) of the fixing frame, and the vertical rods (111) are arranged in the longitudinal groove (132) and connected with the fixing gasket (13).

4. The heavy-calibre gate valve sealing surface overlaying aluminum bronze device according to claim 3, wherein a connecting rod (131) is connected in the longitudinal groove (132), a rod groove (113) matched with the connecting rod (131) is formed in the bottom of the vertical rod (111), the connecting rod (131) is arranged in the rod groove (113), and the vertical rod (111) is connected with the fixed gasket (13) through the matching of the connecting rod (131) and the rod groove (113).

5. The heavy-calibre gate valve sealing surface overlaying aluminum bronze device according to claim 4, wherein a convex plate (133) is arranged on the fixed gasket (13), the convex plate (133) and the fixed gasket (13) are connected into a whole, the convex plate (133) is arranged beside the longitudinal groove (132), the convex plate (133) is matched with the cross rod (112), and the cross rod (112) is arranged on the convex plate (133) and is connected with the fixed gasket (13) through a screw.

6. The heavy-calibre gate valve sealing surface overlaying aluminum bronze device according to claim 5, wherein the upper end surface of the fixed convex plate (133) and the bottom surface of the fixed gasket (13) are both connected with rubber pads (134), and the rubber pads (134) on the convex plate (133) are arranged between the convex plate (133) and the cross rod (112).