CN111940882A - Welding device and double-station welding machine table - Google Patents
Welding device and double-station welding machine table Download PDFInfo
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- CN111940882A CN111940882A CN202010724710.4A CN202010724710A CN111940882A CN 111940882 A CN111940882 A CN 111940882A CN 202010724710 A CN202010724710 A CN 202010724710A CN 111940882 A CN111940882 A CN 111940882A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
- B23K11/312—Electrode holders and actuating devices therefor for several electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
- B23K11/318—Supporting devices for electrode holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/34—Preliminary treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
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Abstract
The invention belongs to the technical field of welding, and particularly relates to a welding device and a double-station welding machine table. The invention provides a welding device, which is used for solving the problem that welding flux can be bent after passing through an arc-shaped middle section of a welding gun in the conventional welding machine, and avoiding the situation that the welding flux is jammed and does not move. Meanwhile, the invention also provides a double-station welding machine table, which solves the problems that the existing welding machine can not weld a T-shaped workpiece to be welded, and has the defects of unreasonable design, weak controllability and difficult operation.
Description
Technical Field
The invention belongs to the technical field of welding, and particularly relates to a welding device and a double-station welding machine table.
Background
In modern production, the labor force is reduced, the problem of scarce labor force is solved, the enterprise with intensive labor force is not suitable for the requirement of modern productivity, the technology is urgently required to be changed to the technology-intensive type, the automation of equipment is improved, products are assembled in an early stage in the automatic spot welding assembly industry, manual operation is mainly carried out by depending on manpower, the automation degree of spot welding assembly is low, the labor intensity is high, and the production rate is low.
Chinese patent application No. CN201420401181.4 discloses an automatic spot welding machine, which comprises a machine pedestal, a supporting frame, a heater, a horizontal sliding mechanism, a vertical sliding mechanism, a welding mechanism, a tin wire tube and a pneumatic tube, the machine base is provided with a plurality of switch buttons for controlling the operation of the spot welding machine, the horizontal sliding mechanism is fixed on the supporting frame and can move left and right along the supporting frame, the winding drum wound with the tin wire is pivoted on the horizontal sliding mechanism, the tin wire is connected with the welding mechanism through a tin wire tube to provide welding flux, the horizontal sliding mechanism is also fixed with an air pressure device, the air pressure pipe is connected between the air pressure device and the welding mechanism, the welding mechanism comprises a frame body fixed on the vertical sliding mechanism, a positioning rod fixed on the frame body and a welding head protruding downwards from the positioning rod, the ends of the tin wire tube and the air pressure tube are close to the welding head, and the opening of the air pressure tube is aligned with the welding head.
Chinese patent with application number CN201520423185.7 discloses an automatic welding machine for steel end cutters, which comprises a machine table, a welding turntable arranged on the machine table, a first cutter hold-down mechanism arranged at the center of the welding turntable, a cutter mold fixture arranged on the circumferential edge of the welding turntable, a finished product recovery tank arranged on the left side of the welding turntable, a first cutter welding mechanism arranged on the right side of the welding turntable, and a second cutter hold-down mechanism and a second cutter welding mechanism arranged on the rear side of the welding turntable. The utility model discloses a can place two cutters simultaneously and weld processing, can overturn the another side automatically and displace and carry out weld processing on the second cutter module after one of them face weld processing of cutter finishes, make it can accomplish the weld processing to the different faces of cutter alternately, it still can go on around to the butt welder, control, height is adjusted and angle modulation, it is nimble convenient to make welding operation, and is effectual, and work efficiency is high, has solved traditional artifical participation blade, the handle of a knife amalgamation leads to inefficiency, the effect is poor, problem with high costs.
Chinese patent with application number CN201320157370.7 discloses an automatic spot welding machine, which comprises a machine table, wherein a plate is vertically arranged on the machine table, and a trough, a spot welding mechanism and a foot cutting mechanism are arranged on the plate. The spot welding mechanism comprises an upper welding head and a lower welding head which are respectively arranged above and below the trough; a material pulling device is arranged between the spot welding mechanism and the pin cutting mechanism; the material pulling device is arranged below the material groove and provided with a protrusion matched with the shape of the material sheet hole opening. The utility model provides an automatic spot welder has replaced traditional spot welding operation method, has realized realizing continuous type automatic spot welding, and spot welding stable quality and efficient.
However, the welding machine in the above prior art cannot weld the to-be-welded workpiece in the T shape, and has the disadvantages of unreasonable design, weak controllability, and difficult operation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a welding device which is used for solving the problem that the existing welding machine can bend after welding flux passes through the arc-shaped middle section of a welding gun, and the situation that the welding flux is blocked and does not move is avoided. Meanwhile, the invention also provides a double-station welding machine table, which solves the problems that the existing welding machine can not weld a T-shaped workpiece to be welded, and has the defects of unreasonable design, weak controllability and difficult operation.
In order to solve the technical problems, the invention adopts the following technical scheme:
welding set, including welder and welding moving mechanism, welder sets up the front end at welding moving mechanism, welder includes welder anterior segment, welder middle section welder back end, the front end in welder middle section is connected in the welder anterior segment, the rear end in welder middle section is connected in the welder back end, the welder middle section is the arc, the welder back end is equipped with welding flux filling portion, welding flux filling portion is connected with the welding arm.
According to the invention, by improving the structure of the welding gun, the problem that the welding flux is bent after passing through the arc-shaped middle section of the welding gun can be solved, and the situation that the welding flux is jammed and does not move is avoided.
Further inject, the welding moving mechanism is including moving cylinder, mounting panel and mechanism's base, moving cylinder's afterbody and mounting panel right side are connected, moving cylinder's front end passes through the cylinder connecting rod and is connected with the mechanism's base, the mechanism's base is connected with the slide rail that sets up on the mounting panel left side.
Further inject, the welding moving mechanism is equipped with the welding arm, welder is connected to the front end of welding arm, welding arm rear end joint support board, the mounting panel includes support upper plate and support hypoplastron, the support upper plate passes through the leg joint hub connection with the support hypoplastron, the support connecting axle outside is equipped with the slip adjust knob, support upper plate upper end still is connected with the fine setting support, the fine setting support is connected with the support upper plate through the fine setting connecting axle, the fine setting connecting axle outside is equipped with fine setting adjust knob.
Further inject, the removal cylinder front end still is equipped with the packing ring, the packing ring cover is established in the cylinder connecting rod periphery.
The double-station welding machine table comprises a rack, a power device, an electrical control device, a clamping cylinder stand column and a welding device, wherein the power device is positioned at the lower end of the rack, the electrical control device is connected to the upper end of the rack, and the bottom end of the clamping cylinder stand column is connected to the upper end of the rack; the cylinder clamping device and the workpiece bracket are sequentially arranged on the cylinder clamping upright post from top to bottom, a rotary bottom tray is arranged under the workpiece bracket, a first workpiece limiting groove is formed in the upper surface of the rotary bottom tray, the bottom of the rotary bottom tray is connected with the upper part of the power device, and the power device drives the rotary bottom tray to synchronously rotate; the upper end of the rack is connected with a welding device, the welding device comprises a welding gun clamping column and a welding gun, the tail of the welding gun is connected with the welding gun clamping column, and the head of the welding gun faces to the center of the workpiece bracket; and the cylinder clamping device and the workpiece bracket are parallel to the plane of the upper part of the frame.
Further inject, cylinder clamping device is from last to being equipped with cylinder, slider and rotatable briquetting down, the central line coincidence of slider and rotatable briquetting, rotatable briquetting bottom is equipped with the recess of second work piece, just the spacing recess cooperation of first work piece spacing groove and second work piece forms work piece centre gripping space.
Further limited, the power device is provided with a stepping motor, a speed reducing motor and a transmission gear box from left to right in sequence.
Further inject, the transmission gear box contains horizontal one of connecting axle and vertical axis, first bevel gear, second bevel gear and third bevel gear, wherein first bevel gear cover is established in the vertical axis periphery, the periphery on the horizontal right side of axle is established to the second bevel gear cover, just the axis of first bevel gear and second bevel gear is in on the same straight line, the right-hand member of gear motor is connected on the horizontal left side of axle, the axial of third bevel gear is perpendicular for first bevel gear and second bevel gear, just third bevel gear and first bevel gear, second bevel gear all mesh.
Further limiting, an auxiliary transmission gear box is further arranged on the right side of the transmission gear box, the upper end of the auxiliary transmission gear box is connected with the bottom of the rack, the auxiliary transmission gear box is connected with the transmission gear box through a transverse second connecting shaft, and the inner periphery of the third bevel gear is sleeved on the left side of the transverse second connecting shaft.
Compared with the prior art, the invention has the following beneficial effects:
1. the workpiece bottom plate is placed in a workpiece limiting groove of the rotary bottom tray, the rotatable pressing block presses the tubular piece, the workpiece bottom plate and the tubular piece form a T-shaped workpiece to be welded, and the welding machine can weld the T-shaped workpiece to be welded;
2. has the advantages of reasonable design, strong controllability and easy operation;
3. the welding device is provided with a welding moving mechanism, and the welding moving mechanism can adjust the upper and lower positions of the welding gun through the addition of a moving cylinder, a support plate, a mechanism base and a guide rail;
4. the welding gun is designed into a front welding gun section, an arc-shaped middle welding gun section and a rear welding gun section, and the welding flux can be bent after passing through the arc-shaped middle welding gun section, so that the situation that the welding flux is blocked and does not move is avoided.
Drawings
FIG. 1 is a schematic front view of a welding apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view (viewing angle one) of a welding device according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view (viewing angle two) of a welding device according to an embodiment of the welding device of the present invention;
FIG. 4 is a schematic perspective view (viewing angle III) of a welding device in an embodiment of the welding device according to the present invention;
FIG. 5 is an enlarged view of a portion F of FIG. 4;
FIG. 6 is a schematic view of a dual-station welding machine according to an embodiment of the present invention;
fig. 7 is a left side view structural schematic diagram of an embodiment of a double-station welding machine station of the invention.
Reference numerals in the drawings of the specification include:
the device comprises a frame 1, a power device A, a stepping motor A1, a speed reducing motor A2, a transmission gear box A3, a connecting shaft transverse A30, a vertical shaft A31, a first bevel gear A32, a second bevel gear A33, a third bevel gear A34, an auxiliary transmission gear box A4 and a connecting shaft transverse A40;
the device comprises an air cylinder clamping device B, an air cylinder 5, a sliding block 6, a rotatable pressing block 7 and a groove 70;
a welding device C, a welding gun C12, a welding gun front section C12a, a welding gun middle section C12b, a welding gun rear section C12C and a welding agent filling part C12 d;
the welding gun comprises a welding gun clamping upright column C13, a welding moving mechanism C14, a moving cylinder C140, a cylinder connecting rod C140a, a gasket C140b, a support plate C141, a support upper plate C141a, a support lower plate C141b, a support connecting shaft C141C, a mechanism base C142, a welding arm C143, a sliding adjusting knob C144, a fine adjusting support C145, a fine adjusting connecting shaft C145a, a fine adjusting knob C146 and a sliding rail C15;
the device comprises an electric control device 3, a workpiece bracket 8, a rotary bottom tray 9, a workpiece 11 to be welded and a clamping cylinder upright post 14.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described in conjunction with the accompanying drawings and examples:
the first embodiment is as follows:
as a further improvement of the previous embodiment, as shown in fig. 1-7, the double-station welding machine platform of the present invention includes a frame 1, a power device a, an electrical control device 3, and a cylinder clamping column 14, where the power device a is located at the lower end of the frame 1, the electrical control device 3 is connected to the upper end of the frame 1, and the bottom end of the cylinder clamping column 14 is connected to the upper end of the frame 1;
the cylinder clamping device B and the workpiece bracket 8 are sequentially arranged on the cylinder clamping upright column 14 from top to bottom, a rotary bottom tray 9 is arranged under the workpiece bracket 8, a first workpiece limiting groove is formed in the upper surface of the rotary bottom tray 9, the bottom of the rotary bottom tray 9 is connected with the upper portion of a power device A, and the power device A drives the rotary bottom tray 9 to synchronously rotate;
the upper end of the rack 1 is also provided with a welding device C, the welding device C comprises a welding gun clamping column C13 and a welding gun C12, the tail of the welding gun C12 is connected with the welding gun clamping column C13, and the head of the welding gun C12 faces to the center of the workpiece bracket 8; the welding gun C12 comprises a welding gun front section C12a and a welding gun middle section C12b and a welding gun rear section C12C, the front end of the welding gun middle section C12b is connected to the welding gun front section C12a, the rear end of the welding gun middle section C12b is connected to the welding gun rear section C12C, the welding gun middle section C12b is arc-shaped, a welding gun rear section C12C is provided with a welding agent filling part C12d, and the welding agent filling part C12d is connected with the welding arm C143. When a common welding gun is used, the added welding flux is generally a whole strip, and the welding flux can be jammed and does not move during the welding action, the improvement of the invention is that when the structure of a common welding gun C12 is reserved, the welding gun C12 is designed into a front welding gun section C12a, a middle welding gun section C12b, a rear welding gun section C12C and a middle welding gun section C12b, wherein the middle welding gun section C12b is arc-shaped, the rear welding gun section C12C is provided with a welding flux filling part C12d, and a welding flux filling part C12d is connected with a welding arm C143, so that the welding flux can enter from the welding flux filling part C12d during the welding operation, and can be bent after passing through the rear welding gun section C12C, particularly after passing through the arc-shaped middle welding gun section C12b, and can pass through the front welding gun section C12a again, and finally the purpose of stable welding can be realized.
The cylinder clamping device B and the workpiece bracket 8 are parallel to the upper plane of the frame 1.
Specifically, the invention relates to a special welding machine for welding an annular T-shaped welding seam, wherein a workpiece 11 to be welded consists of two parts: one of the workpieces is a round solid steel bar, or a tube or tubular product, and the other workpiece is a steel plate or other steel piece capable of forming a T-shaped weld with the one workpiece. The two workpieces form a T-joint, and weld gun C12 welds a continuous end-to-end circumferential weld at the joint. An operator puts a workpiece bottom plate into the limiting middle of the rotary bottom tray 9, and then puts a tubular workpiece, and then steps down the pedal switch, an operating system in the electric control device 3 controls the cylinder 5 to push the slide block 6 through software, and the rotatable press block 7 on the slide block 6 presses the tubular workpiece, so that after two parts of the workpiece are positioned, the stepping motor A1 in the power device A drives the speed reducing motor A2, the vertical shaft A31 drives the rotary bottom tray 9 to rotate through the bevel gear, and thus, after the workpiece 11 to be welded, which is positioned between the rotatable press block 7 and the rotary bottom tray 9, rotates, the electric control device 3 makes the welding gun C12 to start welding. And (3) after the workpiece to be welded 11 rotates for a circle, the welding is finished, the rotating bottom tray 9 stops rotating, the air cylinder 5 returns to the original position, and the finished workpiece is taken out. Waiting for the next cycle to begin. The invention has the advantages of reasonable design, strong controllability and easy operation.
As the preferred scheme, the cylinder clamping device B is provided with a cylinder 5, a sliding block 6 and a rotatable pressing block 7 from top to bottom, the center lines of the sliding block 6 and the rotatable pressing block 7 are overlapped, the bottom of the rotatable pressing block 7 is provided with a groove 70 of a second workpiece, and the first workpiece limiting groove and the groove 70 for limiting the second workpiece are matched to form a workpiece clamping space. An operating system in the electric control device 3 controls the air cylinder 5 to push the sliding block 6 through software, and the rotatable pressing block 7 on the sliding block 6 presses the tubular piece, so that the workpiece is positioned.
Preferably, the power device A is provided with a stepping motor A1, a speed reducing motor A2 and a transmission gear box A3 from left to right in sequence. The power device A is sequentially arranged, the structure is simple, and the requirement on later maintenance is low.
Preferably, the transmission gearbox A3 comprises a connecting shaft transverse a30, a vertical shaft a31, a first bevel gear a32, a second bevel gear a33 and a third bevel gear a34, wherein the first bevel gear a32 is sleeved on the periphery of the vertical shaft a31, the second bevel gear a33 is sleeved on the periphery of the right side of the connecting shaft transverse a30, the axes of the first bevel gear a32 and the second bevel gear a33 are on the same straight line, the left side of the connecting shaft transverse a30 is connected with the right end of the reduction motor a2, the axial direction of the third bevel gear a34 is vertical to the first bevel gear a32 and the second bevel gear a33, and the third bevel gear a34 is meshed with the first bevel gear a32 and the second bevel gear a 33. After the two parts of the workpiece are positioned, the stepping motor A1 in the power device A drives the speed reducing motor A2, the rotating shaft drives the rotating bottom tray 9 to rotate through the bevel gear, and the transmission gear box A3 achieves the effect of a differential box and has higher power transmission efficiency on the whole.
Preferably, the right side of the transmission gear box A3 is also provided with an auxiliary transmission gear box A4, the upper end of the auxiliary transmission gear box A4 is connected with the bottom of the frame 1, the auxiliary transmission gear box A4 is connected with the transmission gear box A3 through a connecting shaft transverse A40, and the left side of the connecting shaft transverse A40 is sleeved on the inner periphery of the third bevel gear A34. The auxiliary transmission gear box A4 is beneficial to processing and welding a plurality of workpieces, so that the efficiency of welding operation can be improved.
Preferably, the welding device C is further provided with a welding moving mechanism C14, the welding moving mechanism C14 includes a moving cylinder C140, a support plate C141 and a mechanism base C142, the support plate C141 is connected with a welding gun clamping upright column C13, the tail of the moving cylinder C140 is connected with the right side of the support plate C141, the front end of the moving cylinder C140 is connected with the mechanism base C142 through a cylinder connecting rod C140a, the mechanism base C142 is connected with a slide rail C15 arranged on the left side of the support plate C141, and the welding gun C12 is arranged at the front end of the welding moving mechanism C14. The design of the welding device C is different from a common welding gun with a single function, when a workpiece is welded specifically, the welded parts of an upper part and a lower part are divided into a lower part, a middle part and an upper part, and if the welding seam cannot be welded effectively, the whole welding work is not finished, the improvement of the welding device C is that a welding moving mechanism C14 is added, and the welding moving mechanism C14 has a very important role in adjusting the upper position and the lower position of the welding gun C12 through the addition of a moving cylinder C140, a support plate C141, a mechanism base C142 and a guide rail.
Example two:
as a further improvement of the previous embodiment, as shown in fig. 1-7, the double-station welding machine platform of the present invention includes a frame 1, a power device a, an electrical control device 3, and a cylinder clamping column 14, where the power device a is located at the lower end of the frame 1, the electrical control device 3 is connected to the upper end of the frame 1, and the bottom end of the cylinder clamping column 14 is connected to the upper end of the frame 1;
the cylinder clamping device B and the workpiece bracket 8 are sequentially arranged on the cylinder clamping upright column 14 from top to bottom, a rotary bottom tray 9 is arranged under the workpiece bracket 8, a first workpiece limiting groove is formed in the upper surface of the rotary bottom tray 9, the bottom of the rotary bottom tray 9 is connected with the upper portion of a power device A, and the power device A drives the rotary bottom tray 9 to synchronously rotate;
the upper end of the rack 1 is also provided with a welding device C, the welding device C comprises a welding gun clamping column C13 and a welding gun C12, the tail of the welding gun C12 is connected with the welding gun clamping column C13, and the head of the welding gun C12 faces to the center of the workpiece bracket 8; the welding gun C12 comprises a welding gun front section C12a and a welding gun middle section C12b and a welding gun rear section C12C, the front end of the welding gun middle section C12b is connected to the welding gun front section C12a, the rear end of the welding gun middle section C12b is connected to the welding gun rear section C12C, the welding gun middle section C12b is arc-shaped, a welding gun rear section C12C is provided with a welding agent filling part C12d, and the welding agent filling part C12d is connected with the welding arm C143. When a common welding gun is used, the added welding flux is generally a whole strip, and the welding flux can be jammed and does not move during the welding action, the improvement of the invention is that when the structure of a common welding gun C12 is reserved, the welding gun C12 is designed into a front welding gun section C12a, a middle welding gun section C12b, a rear welding gun section C12C and a middle welding gun section C12b, wherein the middle welding gun section C12b is arc-shaped, the rear welding gun section C12C is provided with a welding flux filling part C12d, and a welding flux filling part C12d is connected with a welding arm C143, so that the welding flux can enter from the welding flux filling part C12d during the welding operation, and can be bent after passing through the rear welding gun section C12C, particularly after passing through the arc-shaped middle welding gun section C12b, and can pass through the front welding gun section C12a again, and finally the purpose of stable welding can be realized.
The cylinder clamping device B and the workpiece bracket 8 are parallel to the upper plane of the frame 1.
Specifically, the invention relates to a special welding machine for welding an annular T-shaped welding seam, wherein a workpiece 11 to be welded consists of two parts: one of the workpieces is a round solid steel bar, or a tube or tubular product, and the other workpiece is a steel plate or other steel piece capable of forming a T-shaped weld with the one workpiece. The two workpieces form a T-joint, and weld gun C12 welds a continuous end-to-end circumferential weld at the joint. An operator puts a workpiece bottom plate into the limiting middle of the rotary bottom tray 9, and then puts a tubular workpiece, and then steps down the pedal switch, an operating system in the electric control device 3 controls the cylinder 5 to push the slide block 6 through software, and the rotatable press block 7 on the slide block 6 presses the tubular workpiece, so that after two parts of the workpiece are positioned, the stepping motor A1 in the power device A drives the speed reducing motor A2, the vertical shaft A31 drives the rotary bottom tray 9 to rotate through the bevel gear, and thus, after the workpiece 11 to be welded, which is positioned between the rotatable press block 7 and the rotary bottom tray 9, rotates, the electric control device 3 makes the welding gun C12 to start welding. And (3) after the workpiece to be welded 11 rotates for a circle, the welding is finished, the rotating bottom tray 9 stops rotating, the air cylinder 5 returns to the original position, and the finished workpiece is taken out. Waiting for the next cycle to begin. The invention has the advantages of reasonable design, strong controllability and easy operation.
As the preferred scheme, the cylinder clamping device B is provided with a cylinder 5, a sliding block 6 and a rotatable pressing block 7 from top to bottom, the center lines of the sliding block 6 and the rotatable pressing block 7 are overlapped, the bottom of the rotatable pressing block 7 is provided with a groove 70 of a second workpiece, and the first workpiece limiting groove and the groove 70 for limiting the second workpiece are matched to form a workpiece clamping space. An operating system in the electric control device 3 controls the air cylinder 5 to push the sliding block 6 through software, and the rotatable pressing block 7 on the sliding block 6 presses the tubular piece, so that the workpiece is positioned.
Preferably, the power device A is provided with a stepping motor A1, a speed reducing motor A2 and a transmission gear box A3 from left to right in sequence. The power device A is sequentially arranged, the structure is simple, and the requirement on later maintenance is low.
Preferably, the transmission gearbox A3 comprises a connecting shaft transverse a30, a vertical shaft a31, a first bevel gear a32, a second bevel gear a33 and a third bevel gear a34, wherein the first bevel gear a32 is sleeved on the periphery of the vertical shaft a31, the second bevel gear a33 is sleeved on the periphery of the right side of the connecting shaft transverse a30, the axes of the first bevel gear a32 and the second bevel gear a33 are on the same straight line, the left side of the connecting shaft transverse a30 is connected with the right end of the reduction motor a2, the axial direction of the third bevel gear a34 is vertical to the first bevel gear a32 and the second bevel gear a33, and the third bevel gear a34 is meshed with the first bevel gear a32 and the second bevel gear a 33. After the two parts of the workpiece are positioned, the stepping motor A1 in the power device A drives the speed reducing motor A2, the rotating shaft drives the rotating bottom tray 9 to rotate through the bevel gear, and the transmission gear box A3 achieves the effect of a differential box and has higher power transmission efficiency on the whole.
Preferably, the right side of the transmission gear box A3 is also provided with an auxiliary transmission gear box A4, the upper end of the auxiliary transmission gear box A4 is connected with the bottom of the frame 1, the auxiliary transmission gear box A4 is connected with the transmission gear box A3 through a connecting shaft transverse A40, and the left side of the connecting shaft transverse A40 is sleeved on the inner periphery of the third bevel gear A34. The auxiliary transmission gear box A4 is beneficial to processing and welding a plurality of workpieces, so that the efficiency of welding operation can be improved.
Preferably, the welding device C is further provided with a welding moving mechanism C14, the welding moving mechanism C14 includes a moving cylinder C140, a support plate C141 and a mechanism base C142, the support plate C141 is connected with a welding gun clamping upright column C13, the tail of the moving cylinder C140 is connected with the right side of the support plate C141, the front end of the moving cylinder C140 is connected with the mechanism base C142 through a cylinder connecting rod C140a, the mechanism base C142 is connected with a slide rail C15 arranged on the left side of the support plate C141, and the welding gun C12 is arranged at the front end of the welding moving mechanism C14. The design of the welding device C is different from a common welding gun with a single function, when a workpiece is welded specifically, the welded parts of an upper part and a lower part are divided into a lower part, a middle part and an upper part, and if the welding seam cannot be welded effectively, the whole welding work is not finished, the improvement of the welding device C is that a welding moving mechanism C14 is added, and the welding moving mechanism C14 has a very important role in adjusting the upper position and the lower position of the welding gun C12 through the addition of a moving cylinder C140, a support plate C141, a mechanism base C142 and a guide rail.
Preferably, the welding moving mechanism C14 is provided with a welding arm C143, the front end of the welding arm C143 is connected with a welding gun C12, the rear end of the welding arm C143 is connected with a support plate C141, the support plate C141 comprises a support upper plate C141a and a support lower plate C141b, the support upper plate C141a is connected with the support lower plate C141b through a support connecting shaft C141C, a sliding adjusting knob C144 is arranged outside the support connecting shaft C141C, the upper end of the support upper plate C141a is further connected with a fine adjusting support C145, the fine adjusting support C145 is connected with the support upper plate C141a through a fine adjusting connecting shaft C145a, and the fine adjusting knob C146 is arranged outside the fine adjusting connecting shaft C145 a. In a specific welding operation, the position of the welding gun C12 needs to be slightly adjusted sometimes, and the fine adjustment mode of the welding device C design is very important.
Preferably, the front end of the moving cylinder C140 is further provided with a gasket C140b, and the gasket C140b is sleeved on the outer periphery of the cylinder connecting rod C140 a. When the movable cylinder C140 is operated, due to the characteristics of the metal material, the movable cylinder C140 and the cylinder connecting rod C140a have dry friction, which is a fatal influence on the service life of the movable cylinder C140, and certainly, the gasket C140b is additionally arranged on the peripheries of the movable cylinder C140 and the cylinder connecting rod C140a to avoid the occurrence of the dry friction, which is very important for the reliability and stability of the whole welding equipment.
Compared with the first embodiment, the second embodiment is additionally provided with the gasket C140b, the front end of the movable cylinder C140 is further provided with the gasket C140b, and the gasket C140b is sleeved on the periphery of the cylinder connecting rod C140 a. When the movable cylinder C140 is operated, due to the characteristics of the metal material, the movable cylinder C140 and the cylinder connecting rod C140a have dry friction, which is a fatal influence on the service life of the movable cylinder C140, and certainly, the gasket C140b is additionally arranged on the peripheries of the movable cylinder C140 and the cylinder connecting rod C140a to avoid the occurrence of the dry friction, which is very important for the reliability and stability of the whole welding equipment.
Example three:
as a further improvement of the previous embodiment, as shown in fig. 1-7, the double-station welding machine platform of the present invention includes a frame 1, a power device a, an electrical control device 3, and a cylinder clamping column 14, where the power device a is located at the lower end of the frame 1, the electrical control device 3 is connected to the upper end of the frame 1, and the bottom end of the cylinder clamping column 14 is connected to the upper end of the frame 1;
the cylinder clamping device B and the workpiece bracket 8 are sequentially arranged on the cylinder clamping upright column 14 from top to bottom, a rotary bottom tray 9 is arranged under the workpiece bracket 8, a first workpiece limiting groove is formed in the upper surface of the rotary bottom tray 9, the bottom of the rotary bottom tray 9 is connected with the upper portion of a power device A, and the power device A drives the rotary bottom tray 9 to synchronously rotate;
the upper end of the rack 1 is also provided with a welding device C, the welding device C comprises a welding gun clamping column C13 and a welding gun C12, the tail of the welding gun C12 is connected with the welding gun clamping column C13, and the head of the welding gun C12 faces to the center of the workpiece bracket 8; the welding gun C12 comprises a welding gun front section C12a and a welding gun middle section C12b and a welding gun rear section C12C, the front end of the welding gun middle section C12b is connected to the welding gun front section C12a, the rear end of the welding gun middle section C12b is connected to the welding gun rear section C12C, the welding gun middle section C12b is arc-shaped, a welding gun rear section C12C is provided with a welding agent filling part C12d, and the welding agent filling part C12d is connected with the welding arm C143. When a common welding gun is used, the added welding flux is generally a whole strip, and the welding flux can be jammed and does not move during the welding action, the improvement of the invention is that when the structure of a common welding gun C12 is reserved, the welding gun C12 is designed into a front welding gun section C12a, a middle welding gun section C12b, a rear welding gun section C12C and a middle welding gun section C12b, wherein the middle welding gun section C12b is arc-shaped, the rear welding gun section C12C is provided with a welding flux filling part C12d, and a welding flux filling part C12d is connected with a welding arm C143, so that the welding flux can enter from the welding flux filling part C12d during the welding operation, and can be bent after passing through the rear welding gun section C12C, particularly after passing through the arc-shaped middle welding gun section C12b, and can pass through the front welding gun section C12a again, and finally the purpose of stable welding can be realized.
The cylinder clamping device B and the workpiece bracket 8 are parallel to the upper plane of the frame 1.
Specifically, the invention relates to a special welding machine for welding an annular T-shaped welding seam, wherein a workpiece 11 to be welded consists of two parts: one of the workpieces is a round solid steel bar, or a tube or tubular product, and the other workpiece is a steel plate or other steel piece capable of forming a T-shaped weld with the one workpiece. The two workpieces form a T-joint, and weld gun C12 welds a continuous end-to-end circumferential weld at the joint. An operator puts a workpiece bottom plate into the limiting middle of the rotary bottom tray 9, and then puts a tubular workpiece, and then steps down the pedal switch, an operating system in the electric control device 3 controls the cylinder 5 to push the slide block 6 through software, and the rotatable press block 7 on the slide block 6 presses the tubular workpiece, so that after two parts of the workpiece are positioned, the stepping motor A1 in the power device A drives the speed reducing motor A2, the vertical shaft A31 drives the rotary bottom tray 9 to rotate through the bevel gear, and thus, after the workpiece 11 to be welded, which is positioned between the rotatable press block 7 and the rotary bottom tray 9, rotates, the electric control device 3 makes the welding gun C12 to start welding. And (3) after the workpiece to be welded 11 rotates for a circle, the welding is finished, the rotating bottom tray 9 stops rotating, the air cylinder 5 returns to the original position, and the finished workpiece is taken out. Waiting for the next cycle to begin. The invention has the advantages of reasonable design, strong controllability and easy operation.
As the preferred scheme, the cylinder clamping device B is provided with a cylinder 5, a sliding block 6 and a rotatable pressing block 7 from top to bottom, the center lines of the sliding block 6 and the rotatable pressing block 7 are overlapped, the bottom of the rotatable pressing block 7 is provided with a groove 70 of a second workpiece, and the first workpiece limiting groove and the groove 70 for limiting the second workpiece are matched to form a workpiece clamping space. An operating system in the electric control device 3 controls the air cylinder 5 to push the sliding block 6 through software, and the rotatable pressing block 7 on the sliding block 6 presses the tubular piece, so that the workpiece is positioned.
Preferably, the power device A is provided with a stepping motor A1, a speed reducing motor A2 and a transmission gear box A3 from left to right in sequence. The power device A is sequentially arranged, the structure is simple, and the requirement on later maintenance is low.
Preferably, the transmission gearbox A3 comprises a connecting shaft transverse a30, a vertical shaft a31, a first bevel gear a32, a second bevel gear a33 and a third bevel gear a34, wherein the first bevel gear a32 is sleeved on the periphery of the vertical shaft a31, the second bevel gear a33 is sleeved on the periphery of the right side of the connecting shaft transverse a30, the axes of the first bevel gear a32 and the second bevel gear a33 are on the same straight line, the left side of the connecting shaft transverse a30 is connected with the right end of the reduction motor a2, the axial direction of the third bevel gear a34 is vertical to the first bevel gear a32 and the second bevel gear a33, and the third bevel gear a34 is meshed with the first bevel gear a32 and the second bevel gear a 33. After the two parts of the workpiece are positioned, the stepping motor A1 in the power device A drives the speed reducing motor A2, the rotating shaft drives the rotating bottom tray 9 to rotate through the bevel gear, and the transmission gear box A3 achieves the effect of a differential box and has higher power transmission efficiency on the whole.
Preferably, the right side of the transmission gear box A3 is also provided with an auxiliary transmission gear box A4, the upper end of the auxiliary transmission gear box A4 is connected with the bottom of the frame 1, the auxiliary transmission gear box A4 is connected with the transmission gear box A3 through a connecting shaft transverse A40, and the left side of the connecting shaft transverse A40 is sleeved on the inner periphery of the third bevel gear A34. The auxiliary transmission gear box A4 is beneficial to processing and welding a plurality of workpieces, so that the efficiency of welding operation can be improved.
Preferably, the welding device C is further provided with a welding moving mechanism C14, the welding moving mechanism C14 includes a moving cylinder C140, a support plate C141 and a mechanism base C142, the support plate C141 is connected with a welding gun clamping upright column C13, the tail of the moving cylinder C140 is connected with the right side of the support plate C141, the front end of the moving cylinder C140 is connected with the mechanism base C142 through a cylinder connecting rod C140a, the mechanism base C142 is connected with a slide rail C15 arranged on the left side of the support plate C141, and the welding gun C12 is arranged at the front end of the welding moving mechanism C14. The design of the welding device C is different from a common welding gun with a single function, when a workpiece is welded specifically, the welded parts of an upper part and a lower part are divided into a lower part, a middle part and an upper part, and if the welding seam cannot be welded effectively, the whole welding work is not finished, the improvement of the welding device C is that a welding moving mechanism C14 is added, and the welding moving mechanism C14 has a very important role in adjusting the upper position and the lower position of the welding gun C12 through the addition of a moving cylinder C140, a support plate C141, a mechanism base C142 and a guide rail.
Preferably, the welding moving mechanism C14 is provided with a welding arm C143, the front end of the welding arm C143 is connected with a welding gun C12, the rear end of the welding arm C143 is connected with a support plate C141, the support plate C141 comprises a support upper plate C141a and a support lower plate C141b, the support upper plate C141a is connected with the support lower plate C141b through a support connecting shaft C141C, a sliding adjusting knob C144 is arranged outside the support connecting shaft C141C, the upper end of the support upper plate C141a is further connected with a fine adjusting support C145, the fine adjusting support C145 is connected with the support upper plate C141a through a fine adjusting connecting shaft C145a, and the fine adjusting knob C146 is arranged outside the fine adjusting connecting shaft C145 a. In a specific welding operation, the position of the welding gun C12 needs to be slightly adjusted sometimes, and the fine adjustment mode of the welding device C design is very important.
Preferably, the front end of the moving cylinder C140 is further provided with a gasket C140b, and the gasket C140b is sleeved on the outer periphery of the cylinder connecting rod C140 a. When the movable cylinder C140 is operated, due to the characteristics of the metal material, the movable cylinder C140 and the cylinder connecting rod C140a have dry friction, which is a fatal influence on the service life of the movable cylinder C140, and certainly, the gasket C140b is additionally arranged on the peripheries of the movable cylinder C140 and the cylinder connecting rod C140a to avoid the occurrence of the dry friction, which is very important for the reliability and stability of the whole welding equipment.
The use method of the double-station welding machine table comprises the following steps:
s1, assembling a double-station welding machine table: the power device A is positioned at the lower end of the rack 1, the electric control device 3 is connected to the upper end of the rack 1, the bottom end of the cylinder clamping upright post 14 is connected to the upper end of the rack 1, the cylinder clamping device B and the workpiece bracket 8 are sequentially arranged on the cylinder clamping upright post 14 from top to bottom, the tail of the welding gun C12 is connected with the welding gun clamping upright post C13, the head of the welding gun C12 faces to the central position of the workpiece bracket 8, and the cylinder clamping device B and the workpiece bracket 8 are both parallel to the upper plane of the rack 1;
s2, setting a cylinder clamping device required by the tubular workpiece: the cylinder clamping device B is provided with a cylinder 5, a sliding block 6 and a rotatable pressing block 7 from top to bottom, the center lines of the sliding block 6 and the rotatable pressing block 7 are overlapped, the bottom of the rotatable pressing block 7 is provided with a groove 70 for a second workpiece, and a first workpiece limiting groove and the groove 70 for limiting the second workpiece are matched to form a workpiece clamping space;
s3, placing of the workpiece bottom plate: a rotary bottom tray 9 is arranged under the workpiece bracket 8, the bottom of the rotary bottom tray 9 is connected with the upper part of the power device A, and a workpiece bottom plate is placed in the limiting middle of the rotary bottom tray 9;
s4, setting of a power device: the power device A is sequentially provided with a stepping motor A1, a reduction motor A2 and a transmission gear box A3 from left to right, the transmission gear box A3 comprises a connecting shaft transverse A30, a vertical shaft A31, a first bevel gear A32, a second bevel gear A33 and a third bevel gear A34, wherein the first bevel gear A32 is sleeved on the periphery of the vertical shaft A31, the second bevel gear A33 is sleeved on the periphery of the right side of the connecting shaft transverse A30, the left side of the connecting shaft transverse A30 is connected with the right end of the reduction motor A2, and the first bevel gear A32, the second bevel gear A33 and the third bevel gear A34 are vertically meshed;
s5, adjusting the up-and-down movement of the welding device: the welding moving mechanism C14 comprises a moving cylinder C140, a support plate C141 and a mechanism base C142, the support plate C141 is connected with a welding gun clamping upright post C13, the tail of the moving cylinder C140 is connected with the right side of the support plate C141, the front end of the moving cylinder C140 is connected with the mechanism base C142 through a cylinder connecting rod C140a, the mechanism base C142 is connected with a sliding rail C15 arranged on the left side of the support plate C141, and a welding gun C12 is arranged at the front end of the welding moving mechanism C14;
s6, welding operation stage: fixing a workpiece bottom plate and a tubular workpiece at a rotary bottom tray 9 and a rotary press block 7 respectively to enable the workpieces to be welded to form T-shaped connection, operating an electric control device 3, controlling a cylinder 5 to push a slide block 6, pressing the upper part of the tubular workpiece by the rotary press block 7 on the slide block 6, starting a power device A, driving a speed reducing motor A2 by a stepping motor A1, driving the rotary bottom tray 9 to rotate through a transmission gear box A3 and a vertical shaft A31, starting welding by a welding gun C12 of the electric control device 3, finishing welding after the workpieces to be welded rotate for one circle, stopping the rotary bottom tray 9, returning the cylinder 5 to the original position, taking out finished workpieces, and waiting for the start of the next period.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the invention in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the invention may be embodied in practice with the teachings of the invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (9)
1. Welding set, its characterized in that: including welder and welding moving mechanism, welder sets up the front end at welding moving mechanism, welder includes welder anterior segment, welder middle section welder back end, the front end in welder middle section is connected in the welder anterior segment, the rear end in welder middle section is connected in the welder back end, the welder middle section is the arc, the welder back end is equipped with welding flux filling portion, welding flux filling portion is connected with the welding arm.
2. The welding device of claim 1, wherein: the welding moving mechanism comprises a moving cylinder, a support plate and a mechanism base, the tail of the moving cylinder is connected with the right side of the support plate, the front end of the moving cylinder is connected with the mechanism base through a cylinder connecting rod, and the mechanism base is connected with a sliding rail arranged on the left side of the support plate.
3. A welding device as defined in claim 2, wherein: the welding moving mechanism is provided with a welding arm, the front end of the welding arm is connected with a welding gun, the rear end of the welding arm is connected with a support plate, the support plate comprises a support upper plate and a support lower plate, the support upper plate is connected with the support lower plate through a support connecting shaft, a sliding adjusting knob is arranged on the outer side of the support connecting shaft, a fine adjusting support is further connected to the upper end of the support upper plate and is connected with the support upper plate through a fine adjusting connecting shaft, and a fine adjusting knob is arranged on the outer side of the fine adjusting connecting shaft.
4. A welding device as defined in claim 3, wherein: the front end of the movable cylinder is also provided with a gasket, and the gasket is sleeved on the periphery of the cylinder connecting rod.
5. The duplex position welds board, its characterized in that: the welding machine comprises a rack, a power device, an electrical control device, a clamping cylinder stand column and a welding device, wherein the power device is positioned at the lower end of the rack; the cylinder clamping device and the workpiece bracket are sequentially arranged on the cylinder clamping upright post from top to bottom, a rotary bottom tray is arranged under the workpiece bracket, a first workpiece limiting groove is formed in the upper surface of the rotary bottom tray, the bottom of the rotary bottom tray is connected with the upper part of the power device, and the power device drives the rotary bottom tray to synchronously rotate; the upper end of the rack is connected with a welding device, the welding device comprises a welding gun clamping column and a welding gun, the tail of the welding gun is connected with the welding gun clamping column, and the head of the welding gun faces to the center of the workpiece bracket; and the cylinder clamping device and the workpiece bracket are parallel to the plane of the upper part of the frame.
6. The double-station welding machine table of claim 5, characterized in that: the cylinder clamping device is provided with a cylinder, a sliding block and a rotatable pressing block from top to bottom, the center lines of the sliding block and the rotatable pressing block are overlapped, the bottom of the rotatable pressing block is provided with a groove for a second workpiece, and the first workpiece limiting groove and the second workpiece limiting groove are matched to form a workpiece clamping space.
7. The double-station welding machine table of claim 6, characterized in that: the power device is sequentially provided with a stepping motor, a speed reducing motor and a transmission gear box from left to right.
8. The dual station welding machine station of claim 7, wherein: the transmission gear box contains the horizontal one of connecting axle and vertical axis, first bevel gear, second bevel gear and third bevel gear, wherein first bevel gear cover is established in the vertical axis periphery, the periphery on the horizontal right side of axle is established to the second bevel gear cover, just the axis of first bevel gear and second bevel gear is in on the same straight line, gear motor's right-hand member is connected on the horizontal left side of axle, the axial of third bevel gear is perpendicular for first bevel gear and second bevel gear, just third bevel gear and first bevel gear, the equal meshing of second bevel gear.
9. The dual station welding machine station of claim 8, wherein: the right side of the transmission gear box is also provided with an auxiliary transmission gear box, the upper end of the auxiliary transmission gear box is connected with the bottom of the rack, the auxiliary transmission gear box is connected with the transmission gear box through a connecting shaft, and the left side of the connecting shaft, which is horizontal to the second, is sleeved on the inner periphery of the third bevel gear.
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| CN202010724710.4A CN111940882A (en) | 2020-07-24 | 2020-07-24 | Welding device and double-station welding machine table |
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Application publication date: 20201117 |