CN112427849A - Welding machine for processing scaffold - Google Patents

Abstract

The invention discloses a welding machine for processing a scaffold, and solves the problem that the existing welding device is lack of a cleaning structure and can only be cleaned manually through a cleaning assembly. The third working plate is sprayed and cleaned through the spraying nozzle, and the electric push rod drives the cleaning brush to scrub the third working plate in a reciprocating mode; through the closed area that first work board, second work board and frame formed, avoid the third work board on high temperature welding slag meet a large amount of flue gases that produce behind the water, transfer the clearance of third work board to in the closed area, safe and reliable. The problems that the conventional welding machine does not have a cooling function and the working efficiency is affected are solved through the first cooling assembly and the second cooling assembly; carry out the water-cooling to the position of not welding through first cooling subassembly, second cooling subassembly carries out the forced air cooling to the welding position, guarantees welding quality, avoids the hydrogen of aquatic to influence the welding position, has improved cooling rate simultaneously for cooling.

Description

Welding machine for processing scaffold

Technical Field

The invention particularly relates to a welding machine for processing a scaffold.

Background

The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out, and can be divided into an outer scaffold and an inner scaffold according to the erected position; the scaffold can be divided into a vertical rod type scaffold, a bridge type scaffold, a door type scaffold and a suspension scaffold according to the structural form.

Different types of engineering construction select different purposes of scaffolds, indoor scaffolds generally adopt aluminum pipes as raw materials, and the aluminum pipes are welded by adopting a welding machine. The welding machine uses various fusible alloys (soldering tin) to connect metal parts, ensures the continuity of the metal, ensures that the welding parts do not move relatively and the contact surfaces are not oxidized. However, the existing welding machine has the following problems: firstly, a large amount of welding slag can be left after the scaffold is welded, and the welding device is short of a cleaning structure and can only be manually cleaned, so that time and labor are wasted, and the welding processing efficiency of the subsequent scaffold is influenced; secondly, the welding machine does not have the cooling function, and the aluminum pipe temperature is high after the welding, and the staff can't take off the aluminum pipe and get into next process, can only wait for the aluminum pipe natural cooling, has influenced production efficiency greatly.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a welding machine for processing a scaffold.

The technical scheme for solving the problems comprises the following steps: a welding machine for processing a scaffold comprises a frame with a hollow cubic structure, a cleaning assembly arranged in the frame, a workbench which is arranged on the frame and can be unfolded and folded, a welding assembly arranged on the frame, and a cooling device which penetrates through the welding assembly and is positioned above the frame;

the rack comprises a bottom frame with a cubic hollow structure and a frame groove at the top, and a top frame which is arranged at the frame groove, communicated with the bottom frame and has a rectangular frame structure;

the workbench comprises a driving assembly arranged on the rack, a first working plate and a second working plate which are arranged on the driving assembly and are respectively positioned on the left side and the right side of the workbench, the first working plate and the second working plate are bilaterally symmetrical relative to the workbench and are always parallel to the horizontal plane, and a third working plate which is arranged on the driving assembly and is always parallel to the horizontal plane;

the driving assembly comprises a first shaft which is rotatably arranged on the chassis through a rolling bearing, a driving motor which is arranged on the chassis and an output shaft of which is arranged on the first shaft, a second shaft which is rotatably arranged on the chassis and is bilaterally symmetrical to the first shaft relative to the chassis through the rolling bearing, a first gear which is arranged on the first shaft and is positioned in front of the chassis, a second gear which is arranged on the second shaft, is meshed with the first gear and is bilaterally symmetrical to the first gear relative to the chassis, a pair of driving rods A of which the upper ends are hinged with the first working plate and the lower ends are respectively arranged on the first shaft and the front and back sides of the first working plate, a pair of driving rods B of which the upper ends are hinged with the first working plate and the lower ends are hinged with the chassis and are respectively arranged on the front and back sides of the first working plate, the driving rods B are always parallel to the, a pair of driving rods D, the upper ends of which are hinged with the second working plate, the lower ends of which are hinged with the underframe, are respectively positioned at the front side and the rear side of the second working plate, the driving rods C are always parallel to the driving rods D, the upper ends of which are hinged with the third working plate and are respectively positioned at the front side and the rear side of the third working plate, the upper ends of which are hinged with the driving rods E, the lower ends of which are arranged on the first shaft, a pair of driving rods F which are respectively positioned at the front side and the rear side of the third working plate, the upper ends of which are hinged with the third working plate and are respectively positioned at the front side and the rear side of the third working plate, a pair of driving rods G;

the driving rod A, the driving rod B, the driving rod C and the driving rod D are positioned outside the rack, the driving rod A and the driving rod C are symmetrical left and right, and the driving rod B and the driving rod D are symmetrical left and right; the driving rod E, the driving rod F, the driving rod G and the driving rod H are all positioned in the rack, the driving rod E and the driving rod G are bilaterally symmetrical, and the driving rod F and the driving rod H are bilaterally symmetrical;

the cleaning assembly comprises a pair of cleaning spray pipes which are arranged at the top of the underframe and positioned at the left side and the right side of the third workbench, a plurality of cleaning spray nozzles which are arranged on the cleaning spray pipes and distributed along the length direction of the cleaning spray pipes, a second electric push rod which is arranged on the underframe and positioned at the rear side of the third workbench, a push plate which is arranged on a telescopic rod of the second electric push rod, and a cleaning brush which is arranged on the push plate;

the cooling device comprises a pair of fixed tables, a pair of clamping components, a pair of V-shaped blocks and a first cooling component, wherein the fixed tables are distributed along the X direction and are positioned on the left side and the right side of the rack;

the clamping assembly comprises a fixed frame arranged on a fixed table, a first electric push rod arranged at the top of the fixed frame, a fixed column arranged on a telescopic rod of the first electric push rod, a pair of clamping racks arranged on the fixed column and respectively positioned at the left side and the right side of the fixed column, a pair of supporting rods arranged on the fixed frame and respectively positioned at the left side and the right side of the fixed column and of an L-shaped structure, a clamping gear rotatably arranged at the bending position of the supporting rod and meshed with the clamping racks, a first rod with one end arranged at the circle center of the clamping gear, a second rod with one end hinged with the supporting rod and always parallel to the first rod, a third rod hinged with the first rod and the second rod and always parallel to the fixed table, and a clamping block arranged on the third rod and;

the first cooling assembly comprises a pair of stand columns arranged on the fixed platform, a transmission rod, a transmission rack and a pair of spraying pieces, wherein the two ends of the transmission rod are respectively arranged on the stand columns;

the spray part is installed on the transfer line including removing and is equipped with the translation section of thick bamboo that leads to the groove, install on translation section of thick bamboo and distribute along the Z direction, be located the flat board of leading to groove upper and lower both sides respectively, rotate the main shaft of installing on the flat board through antifriction bearing, install on the flat board and output shaft installs the transmission motor on main shaft, install on the main shaft and with transmission rack toothing's drive gear, install the cooling shower in dull and stereotyped bottom, install a plurality of cooling spray nozzles on the cooling shower, install the water tank on the fixed station, the raceway of one end and cooling shower intercommunication and other end and water tank intercommunication, install the first valve on the raceway, install the first water pump on the raceway.

Further, the clearance subassembly is still including the waste water tank that is located the frame below, the waste pipe of one end and chassis intercommunication and the other end and waste water tank intercommunication, the second valve of installing on the waste pipe, the delivery pipe of one end and shower intercommunication and the other end and feed tank intercommunication, the third valve of installing on the delivery pipe, install the third water pump on the delivery pipe.

Furthermore, an exhaust pipe is installed on the upper portion of the underframe.

Further, the first gear and the second gear are both incomplete gears, and the central angle subtended by the teeth of the first gear is 150 degrees.

Furthermore, the welding assembly comprises a welding frame arranged on the rack, an air cylinder arranged at the top of the welding frame, a supporting plate arranged on an expansion rod of the air cylinder, and a welding head arranged on the supporting plate.

Furthermore, the lengths of the driving rod A, the driving rod B, the driving rod C and the driving rod D are all L1, the lengths of the driving rod E and the driving rod G are all L2, the lengths of the driving rod F and the driving rod H are all L3, and L1> L2> L3.

Furthermore, the cooling device also comprises a second cooling component arranged on the supporting plate;

the second cooling assembly comprises a pair of air pipes, a plurality of air openings, an air cooler, an air conveying pipe, a fourth valve and a pump body, wherein the air pipes are installed on the supporting plate and are respectively located at the front side and the rear side of the welding head, the air openings are installed on the air pipes, the air cooler is installed at the top of the supporting frame, one end of the air conveying pipe is communicated with the air cooler, the other end of the air conveying pipe is communicated with the air pipes, the.

Further, the distance from the hinge point of the first rod and the third rod to the hinge point of the second rod and the third rod is L4, the distance from the center of the clamping gear to the hinge point of the second rod and the support rod is L5, and L5 is L4.

Further, the clamping gear is an incomplete gear, and the tooth angle of the clamping gear relative to the central angle is 150 degrees.

Furthermore, a pair of sliding columns is mounted on the transmission rod, sliding grooves matched with the sliding columns are formed in the translation cylinder, and the sliding columns are inserted into the sliding grooves.

The invention has the following beneficial effects:

(1) the invention solves the problem that the existing welding device is lack of a cleaning structure and can only be manually cleaned by manpower through the cleaning assembly. The third working plate is sprayed and cleaned through the spraying nozzle, and the electric push rod drives the cleaning brush to scrub the third working plate in a reciprocating mode; through the closed area that first work board, second work board and frame formed, avoid the third work board on high temperature welding slag meet a large amount of flue gases that produce behind the water, transfer the clearance of third work board to in the closed area, safe and reliable.

(2) The problems that the conventional welding machine does not have a cooling function and the working efficiency is affected are solved through the first cooling assembly and the second cooling assembly; carry out the water-cooling to the position of not welding through first cooling subassembly, second cooling subassembly carries out the forced air cooling to the welding position, guarantees welding quality, avoids the hydrogen of aquatic to influence the welding position, has improved cooling rate simultaneously for cooling.

Drawings

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

FIG. 2 is a schematic view of a welded assembly according to the present invention;

FIG. 3 is a partial cross-sectional view in the left-hand direction of the present invention;

FIG. 4 is a right side view of the spray member of the present invention;

FIG. 5 is a front view of the housing of the present invention;

FIG. 6 is a schematic view of a driving assembly according to the present invention;

FIG. 7 is a front cross-sectional view of the housing of the present invention;

FIG. 8 is a top view of the frame of the present invention;

fig. 9 is a schematic view of a frame structure when the first working plate and the second working plate are folded.

In the figure:

100-fixed table, 101-welding frame, 102-air cylinder, 103-supporting plate, 104-welding head, 105-clamping assembly, 106-V-shaped block, 107-first cooling assembly, 108-second cooling assembly, 109-fixed frame, 110-first electric push rod, 111-fixed column, 112-clamping rack, 113-supporting rod, 114-clamping gear, 115-first rod, 116-second rod, 117-third rod, 118-clamping block, 119-upright post, 120-transmission rod, 121-transmission rack, 122-spraying piece, 123-through groove, 124-translation cylinder, 125-flat plate, 127-transmission motor, 128-transmission gear, 129-spraying pipe, 130-cooling spraying nozzle, 131-water supply box, 132-water conveying pipe, 133-sliding column, 134-air pipe, 135-air opening, 136-air cooler and 137-air conveying pipe.

200-frame, 201-cleaning assembly, 202-workbench, 203-welding assembly, 204-base frame, 205-frame groove, 206-exhaust pipe, 207-top frame, 208-driving assembly, 209-first working plate, 210-second working plate, 211-third working plate, 212-first shaft, 213-driving motor, 214-second shaft, 215-first gear, 216-second gear, 217-driving rod A, 218-driving rod B, 219-driving rod C, 220-driving rod D, 221-driving rod E, 222-driving rod F, 223-driving rod G, 224-driving rod H, 225-cleaning shower pipe, 226-cleaning shower nozzle, 227-second electric push rod, 228-push plate, 229-cleaning brush, 230-wastewater tank.

Detailed Description

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

A welding machine for processing a scaffold comprises a frame 200 with a hollow cubic structure, a cleaning assembly 201 installed in the frame 200, a workbench 202 which is installed on the frame 200 and can be unfolded and folded, a welding assembly 203 installed on the frame 200, and a cooling device which penetrates through the welding assembly 203 and is positioned above the frame 200;

the rack 200 comprises a bottom frame 204 which is of a cubic hollow structure and provided with a rack groove 205 at the top, an exhaust pipe 206 is arranged at the upper part of the bottom frame 204, and a top frame 207 which is arranged at the rack groove 205 and communicated with the bottom frame 204 and has a rectangular frame structure;

the workbench 202 comprises a driving assembly 208 mounted on the frame 200, a first working plate 209 and a second working plate 210 which are mounted on the driving assembly 208 and respectively positioned at the left and right sides of the workbench 202, the first working plate 209 and the second working plate 210 are bilaterally symmetrical about the workbench 202 and are always parallel to the horizontal plane, and a third working plate 211 which is mounted on the driving assembly 208 and is always parallel to the horizontal plane;

the driving assembly 208 comprises a first shaft 212 rotatably mounted on the chassis 204 through a rolling bearing, a driving motor 213 mounted on the chassis 204 and having an output shaft mounted on the first shaft 212, a second shaft 214 rotatably mounted on the chassis 204 and having bilateral symmetry with the first shaft 212 with respect to the chassis 204 through a rolling bearing, a first gear 215 mounted on the first shaft 212 and located in front of the chassis 204, a second gear 216 mounted on the second shaft 214 and engaged with the first gear 215 and having bilateral symmetry with respect to the chassis 204 with respect to the first gear 215, a pair of driving rods a217 having upper ends hinged to the first working plate 209 and lower ends mounted on the first shaft 212 and located on front and rear sides of the first working plate 209, a pair of driving rods B218 having upper ends hinged to the first working plate 209 and lower ends hinged to the chassis 204 and located on front and rear sides of the first working plate 209, the driving rods B218 being always parallel to the driving rods a217, and having upper ends hinged to the second working plate, A pair of driving rods C219 respectively located at the front and rear sides of the second working plate 210, a pair of driving rods D220 respectively located at the front and rear sides of the second working plate 210, the upper ends of which are hinged to the second working plate 210 and the lower ends of which are hinged to the bottom frame 204, the driving rods C219 being always parallel to the driving rods D220, a pair of driving rods E221 respectively located at the front and rear sides of the third working plate 211, the upper ends of which are hinged to the driving rods E221 and the lower ends of which are mounted on the first shaft 212, a pair of driving rods F222 respectively located at the front and rear sides of the third working plate 211, a pair of driving rods G223 respectively located at the front and rear sides of the third working plate 211, the upper ends of which are hinged to the driving rods G223 and the lower ends of which are mounted on the second shaft 214, and a pair;

the driving rod A217, the driving rod B218, the driving rod C219 and the driving rod D220 are positioned outside the rack 200, the driving rod A217 and the driving rod C219 are bilaterally symmetrical, and the driving rod B218 and the driving rod D220 are bilaterally symmetrical; the driving rod E221, the driving rod F222, the driving rod G223 and the driving rod H224 are all located in the rack 200, the driving rod E221 and the driving rod G223 are bilaterally symmetrical, and the driving rod F222 and the driving rod H224 are bilaterally symmetrical; the lengths of the drive rod A217, the drive rod B218, the drive rod C219 and the drive rod D220 are all L1, the lengths of the drive rod E221 and the drive rod G223 are all L2, the lengths of the drive rod F222 and the drive rod H224 are all L3, and L1> L2> L3.

The first gear 215 and the second gear 216 are both incomplete gears, and the teeth of the first gear 215 subtend an angle of 150 °.

The driving assembly 208 drives the first working plate 209, the second working plate 210 and the third working plate 211 to move, so that when the first working plate 209 and the second working plate 210 are folded, the third working plate 211 is moved into the rack 200, a closed area is formed among the first working plate 209, the second working plate 210 and the rack 200, the third working plate 211 is ready for cleaning the third working plate 211, and when the first working plate 209 and the second working plate 210 are unfolded, the third working plate 211 extends out of the rack 200, and the welding is ready for placing workpieces; two groups of parallelogram mechanisms are formed by the driving rod A217 and the driving rod B218, the driving rod C219 and the driving rod D220, the first working plate 209 and the second working plate 210 are respectively driven to move, and a link mechanism is formed by the driving rod E221, the driving rod F222, the driving rod G223 and the driving rod H224, so that the third working plate 211 is driven to lift.

The cleaning assembly 201 comprises a pair of cleaning spray pipes 225 which are arranged on the top of the chassis 204 and are positioned at the left side and the right side of the third workbench 202, a plurality of cleaning spray nozzles 226 which are arranged on the cleaning spray pipes 225 and distributed along the length direction of the cleaning spray pipes 225, a second electric push rod 227 which is arranged on the chassis 204 and is positioned at the rear side of the third workbench 202, a push plate 228 which is arranged on a telescopic rod of the second electric push rod 227, and a cleaning brush 229 which is arranged on the push plate 228.

The cleaning assembly 201 further comprises a waste water tank 230 located below the rack 200, a waste water pipe with one end communicated with the bottom frame 204 and the other end communicated with the waste water tank 230, a second valve installed on the waste water pipe, a water supply pipe with one end communicated with the cleaning spray pipe 225 and the other end communicated with the water supply tank, a third valve installed on the water supply pipe, and a third water pump installed on the water supply pipe.

It lacks the clearance structure to have solved current welding set through clearance subassembly 201, can only rely on artifical manual clearance, the problem that wastes time and energy. The third working plate 211 is sprayed and cleaned through the cleaning spray nozzle 226, and the second electric push rod 227 drives the cleaning brush 229 to brush the third working plate 211 in a reciprocating manner; through the closed area that first work board 209, second work board 210 and frame 200 formed, avoid a large amount of flue gases that produce behind the high temperature welding slag chance water on third work board 211, shift the clearance of third work board 211 to in the closed area, safe and reliable.

The welding assembly 203 comprises a welding frame 101 mounted on the frame 200, an air cylinder 102 mounted on the top of the welding frame 101, a support plate 103 mounted on the telescopic rod of the air cylinder 102, and a welding head 104 mounted on the support plate 103.

The welding assembly 203 is located right above the third working plate 211, welding work is completed through the welding assembly 203, and welding slag all drops on the third working plate 211.

The cooling device comprises a pair of fixed tables 100 distributed along the X direction and located on the left side and the right side of a rack 200, a pair of clamping components 105 installed on the fixed tables 100, a pair of V-shaped blocks 106 installed on the fixed tables 100 and located between the clamping components 105 and the rack 200, the V-shaped blocks 106 located between the clamping components 105 and the rack 200, a first cooling component 107 installed on the fixed tables 100, and a second cooling component 108 installed on a supporting plate.

The clamping assembly 105 comprises a fixed frame 109 installed on the fixed table 100, a first electric push rod 110 installed on the top of the fixed frame 109, a fixed column 111 installed on an expansion rod of the first electric push rod 110, a pair of clamping racks 112 installed on the fixed column 111 and respectively located on the left side and the right side of the fixed column 111, a pair of support rods 113 installed on the fixed frame 109 and respectively located on the left side and the right side of the fixed column 111 and of an L-shaped structure, a clamping gear 114 rotatably installed at a bending position of the support rod 113 and meshed with the clamping racks 112, the clamping gear 114 is an incomplete gear, a central angle subtended by teeth of the clamping gear 114 is 150 degrees, a first rod 115 with one end installed at the center of the clamping gear 114, and a second rod 116 with one end hinged to the support rod, a third rod 117 hinged with the first rod 115 and the second rod 116 and always parallel to the fixed platform 100, and a clamping block 118 which is arranged on the third rod 117 and has a V-shaped structure;

the distance from the hinge point of the first rod 115 and the third rod 117 to the hinge point of the second rod 116 and the third rod 117 is L4, the distance from the center of the clamping gear 114 to the hinge point of the second rod 116 and the support rod 113 is L5, and L4 is L5; the first lever 115 has a length L6, the second lever 116 has a length L7, and L6 is L7.

The aluminum pipe to be welded is clamped through the clamping assembly 105 and the V-shaped block 106 in a matching manner; the air cylinder 102 drives the clamping rack 112 to move to provide power, the clamping rack 112 is meshed with the clamping gear 114 to transmit power, the first rod 115, the second rod 116, the third rod 117 and the like are used for forming a parallelogram structure, the clamping blocks 118 are guaranteed to be parallel to a horizontal plane all the time in the moving process, the rotating directions of the two clamping gears 114 are opposite, and therefore the two clamping blocks 118 move oppositely to clamp the aluminum pipe.

The first cooling assembly 107 comprises a pair of columns 119 arranged on the fixed table 100 and distributed along the X direction, a transmission rod 120 with two ends respectively arranged on the columns 119, a transmission rack 121 arranged on the transmission rod 120, and a pair of spraying pieces 122 movably arranged on the transmission rod 120 and bilaterally symmetrical with respect to the supporting frame 101;

the spray part 122 includes a translation cylinder 124 movably installed on the transmission rod 120 and provided with a through slot 123, a flat plate 125 installed on the translation cylinder 124 and distributed along the Z direction and respectively located at the upper and lower sides of the through slot 123, a main shaft rotatably installed on the flat plate 125 through a rolling bearing, a transmission motor 127 installed on the flat plate 125 and having an output shaft installed on the main shaft, a transmission gear 128 installed on the main shaft and engaged with the transmission rack 121, a cooling spray pipe 129 installed at the bottom of the flat plate 125, a plurality of cooling spray nozzles 130 installed on the cooling spray pipe 129, a water supply tank 131 installed on the fixed table 100, a water pipe 132 having one end communicated with the cooling spray pipe 129 and the other end communicated with the water supply tank 131, a first valve installed on the water pipe 132, and a first water pump installed on the water pipe.

The driving rod 120 is provided with a pair of sliding posts 133, the translation cylinder 124 is provided with sliding grooves matched with the sliding posts 133, and the sliding posts 133 are inserted into the sliding grooves.

The second cooling assembly 108 comprises a pair of air pipes 134 which are arranged on the supporting plate 103 and respectively located at the front side and the rear side of the welding head 104, a plurality of air ports 135 arranged on the air pipes 134, an air cooler 136 arranged at the top of the supporting frame 101, an air conveying pipe 137, one end of which is communicated with the air cooler 136 and the other end of which is communicated with the air pipes 134, a fourth valve arranged on the air conveying pipe 137, and a pump body arranged on the air conveying pipe 137.

The problems that the conventional welding machine does not have a cooling function, and a worker cannot take down a welded high-temperature aluminum pipe, so that the working efficiency is affected are solved through the first cooling assembly 107 and the second cooling assembly 108; the unwelded part is cooled by water through the first cooling assembly 107, and the welded part is cooled by air through the second cooling assembly 108, so that the welding quality is guaranteed, the welded part is prevented from being affected by hydrogen in water, the cooling speed is increased, and the cooling is accelerated; the translation cylinder 124 is driven to reciprocate along the X direction by the meshing of the gear and the rack, and the spraying and the rapid cooling are carried out for a plurality of times.

The working principle of the invention is as follows:

(1) the driving assembly 208 is started, the first gear 215 is meshed with the second gear 216, the first working plate 209 and the second working plate 210 move in opposite directions, the first working plate 209 and the second working plate 210 are unfolded, the third working plate 211 is lifted to extend out of the rack 200, and the upper end faces of the first working plate 209, the second working plate 210 and the third working plate 211 are flush;

(2) placing a workpiece to be welded on the V-shaped block 106, starting the clamping assembly 105, driving the clamping rack 112 to convey upwards by the clamping assembly 105, moving the two clamping blocks 118 oppositely, reducing the distance between the clamping blocks 118, and clamping the workpiece to be welded;

(3) a welding head 104 is used for welding the aluminum pipe to be welded;

(4) after welding, starting the first cooling assembly 107, moving the translation cylinder 124 along the X direction, and performing spraying cooling on the non-welded part; and starting the second cooling assembly 108 to cool the welding part by air cooling.

(5) After welding is completed, the driving assembly 208 is started, the first gear 215 is meshed with the second gear 216, the first working plate 209 and the second working plate 210 move in opposite directions, the first working plate 209 is folded with the second working plate 210, the third working plate 211 descends to the inside of the machine frame 200, and the first working plate 209, the second working plate 210 and the machine frame 200 form a closed area;

(6) the cleaning assembly 201 works, the cleaning spray nozzle 226 sprays water to the third working plate 211, the second electric push rod 227 drives the cleaning brush 229 to brush the third working plate 211, and welding slag on the third working plate 211 is thoroughly cleaned.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims (6)

1. A welding machine for processing scaffolds is characterized by comprising a frame (200) with a hollow cubic structure, a cleaning assembly (201) arranged in the frame (200), a workbench (202) which is arranged on the frame (200) and can be unfolded and folded, a welding assembly (203) arranged on the frame (200), and a cooling device which penetrates through the welding assembly (203) and is positioned above the frame (200);

the rack (200) comprises a bottom frame (204) which is of a cubic hollow structure and provided with a frame groove (205) at the top, and a top frame (207) which is arranged at the frame groove (205), communicated with the bottom frame (204) and of a rectangular frame structure;

the workbench (202) comprises a driving assembly (208) arranged on the rack (200), a first working plate (209) and a second working plate (210) which are arranged on the driving assembly (208) and respectively positioned at the left side and the right side of the workbench (202), the first working plate (209) and the second working plate (210) are bilaterally symmetrical relative to the workbench (202) and are always parallel to the horizontal plane, and a third working plate (211) which is arranged on the driving assembly (208) and is always parallel to the horizontal plane;

the driving assembly (208) comprises a first shaft (212) rotatably mounted on the chassis (204) through a rolling bearing, a driving motor (213) mounted on the chassis (204) and having an output shaft mounted on the first shaft (212), a second shaft (214) rotatably mounted on the chassis (204) through a rolling bearing and having bilateral symmetry with the first shaft (212) with respect to the chassis (204), a first gear (215) mounted on the first shaft (212) and located in front of the chassis (204), a second gear (216) mounted on the second shaft (214) and engaged with the first gear (215) and having bilateral symmetry with the first gear (215) with respect to the chassis (204), a pair of driving rods A (217) having upper ends hinged with the first working plate (209) and lower ends hinged with the chassis (204), a pair of driving rods A (217) having lower ends hinged with the first working plate (209) and located on the front and rear sides of the first working plate (209), and a pair of driving rods A (, A pair of driving rods B (218) respectively positioned at the front side and the rear side of the first working plate (209), the driving rods B (218) are always parallel to the driving rod A (217), the upper end of the driving rods B (219) is hinged with the second working plate (210), the lower end of the driving rods B (218) is arranged on the second shaft (214), the driving rods C (219) are respectively positioned at the front side and the rear side of the second working plate (210), the upper end of the driving rods C (219) is hinged with the second working plate (210), the lower end of the driving rods D (220) is hinged with the bottom frame (204), the driving rods D (220) are respectively positioned at the front side and the rear side of the second working plate (210), the driving rods C (219) are always parallel to the driving rods D (220), the upper end of the driving rods E (221) is hinged with the third working plate (211), the upper end of the driving rods E (221) is hinged with the driving rods E, a pair of driving rods G (223) with upper ends hinged with the third working plate (211) and respectively positioned at the front side and the rear side of the third working plate (211), a pair of driving rods H (224) with upper ends hinged with the driving rods G (223) and lower ends installed on the second shaft (214) and respectively positioned at the front side and the rear side of the third working plate (211);

the driving rod A (217), the driving rod B (218), the driving rod C (219) and the driving rod D (220) are positioned outside the rack (200), the driving rod A (217) and the driving rod C (219) are bilaterally symmetrical, and the driving rod B (218) and the driving rod D (220) are bilaterally symmetrical; the driving rod E (221), the driving rod F (222), the driving rod G (223) and the driving rod H (224) are all located in the rack (200), the driving rod E (221) and the driving rod G (223) are symmetrical left and right, and the driving rod F (222) and the driving rod H (224) are symmetrical left and right;

the cleaning assembly (201) comprises a pair of cleaning spray pipes (225) which are arranged at the top of the chassis (204) and positioned at the left side and the right side of the third workbench (202), a plurality of cleaning spray nozzles (226) which are arranged on the cleaning spray pipes (225) and distributed along the length direction of the cleaning spray pipes (225), a second electric push rod (227) which is arranged at the rear side of the chassis (204) and positioned at the third workbench (202), a push plate (228) which is arranged on an expansion rod of the second electric push rod (227), and a cleaning brush (229) which is arranged on the push plate (228);

the cooling device comprises a pair of fixed tables (100) which are distributed along the X direction and are positioned on the left side and the right side of the rack (200), a pair of clamping assemblies (105) which are arranged on the fixed tables (100), a pair of V-shaped blocks (106) which are arranged on the fixed tables (100) and are positioned between the clamping assemblies (105) and the rack (200), and a first cooling assembly (107) which is arranged on the fixed tables (100) and is positioned between the clamping assemblies (105) and the rack (200);

the clamping assembly (105) comprises a fixed frame (109) arranged on a fixed platform (100), a first electric push rod (110) arranged at the top of the fixed frame (109), a fixed column (111) arranged on a telescopic rod of the first electric push rod (110), a pair of clamping racks (112) arranged on the fixed column (111) and respectively positioned at the left side and the right side of the fixed column (111), a pair of supporting rods (113) arranged on the fixed frame (109) and respectively positioned at the left side and the right side of the fixed column (111) and of an L-shaped structure, a clamping gear (114) rotatably arranged at the bending position of the supporting rod (113) and meshed with the clamping racks (112), a first rod (115) with one end arranged at the circle center of the clamping gear (114), a second rod (116) with one end hinged with the supporting rod (113) and always parallel to the first rod (115), and a third rod (117) hinged with the first rod (115) and the second rod (116) and always, a clamping block (118) mounted on the third bar (117) and having a V-shaped configuration;

the first cooling assembly (107) comprises a pair of vertical columns (119) which are arranged on the fixed table (100) and distributed along the X direction, a transmission rod (120) with two ends respectively arranged on the vertical columns (119), a transmission rack (121) arranged on the transmission rod (120), and a pair of spraying pieces (122) which are movably arranged on the transmission rod (120) and are bilaterally symmetrical relative to the supporting frame (101);

the spraying part (122) comprises a translation cylinder (124) movably arranged on the transmission rod (120) and provided with a through groove (123), flat plates (125) which are arranged on the translation cylinder (124) and distributed along the Z direction and are respectively positioned at the upper side and the lower side of the through groove (123), a main shaft which is rotatably arranged on the flat plates (125) through rolling bearings, a transmission motor (127) which is arranged on the flat plates (125) and the output shaft of which is arranged on the main shaft, a transmission gear (128) which is arranged on the main shaft and meshed with a transmission rack (121), a cooling spraying pipe (129) arranged at the bottom of the flat plates (125), a plurality of cooling spraying nozzles (130) arranged on the cooling spraying pipe (129), a water supply tank (131) arranged on the fixed platform (100), a water conveying pipe (132) with one end communicated with the cooling spraying pipe (129) and the other end communicated with the water supply tank (131), a first water pump mounted on the water pipe (132).

2. The welding machine for working scaffolds as claimed in claim 1, wherein the lengths of said driving rod a (217), driving rod B (218), driving rod C (219), driving rod D (220) are all L1, the lengths of driving rod E (221), driving rod G (223) are all L2, the lengths of driving rod F (222), driving rod H (224) are all L3, L1> L2> L3.

3. A welding machine for working scaffolds according to claim 1, wherein the cleaning assembly (201) further comprises a waste water tank (230) located under the frame (200), a waste water pipe having one end communicating with the base frame (204) and the other end communicating with the waste water tank (230), a first valve installed on the waste water pipe, a water supply pipe having one end communicating with the spray pipe (225) and the other end communicating with the water supply tank, a third valve installed on the water supply pipe, and a third water pump installed on the water supply pipe.

4. The welding machine for working scaffolds according to claim 1, wherein the welding assembly (203) comprises a welding frame (101) mounted on the frame (200), a cylinder (102) mounted on the top of the welding frame (101), a support plate (103) mounted on the telescopic rod of the cylinder (102), and a welding head (104) mounted on the support plate (103).

5. A welding machine for working scaffolding according to claim 4, characterized in that said cooling means further comprises a second cooling assembly (108) mounted on the support plate (103);

the second cooling assembly (108) comprises a pair of air pipes (134) which are arranged on a support plate (103) and are respectively located at the front side and the rear side of a welding head (104), a plurality of air ports (135) arranged on the air pipes (134), an air cooler (136) arranged at the top of the support frame (101), an air conveying pipe (137) with one end communicated with the air cooler (136) and the other end communicated with the air pipes (134), a fourth valve arranged on the air conveying pipe (137), and a pump body arranged on the air conveying pipe (137).

6. The welding machine for processing the scaffold as claimed in claim 1, wherein the distance from the hinge point of the first rod and the third rod to the hinge point of the second rod and the third rod is L4, the distance from the center of the clamping gear to the hinge point of the second rod and the support rod is L5, and L4 is L5.

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