CN213135390U - Improved welding equipment - Google Patents

Abstract

The utility model discloses an improved welding device, wherein, the slag removing device comprises a scraper driving device and a slag removing cutter, the scraper driving device is arranged on a tool disc, the slag removing cutter is arranged on the scraper driving device, and the scraper driving device is connected with the slag removing cutter in a transmission way; an inner chamber is formed in the deslagging cutter, at least one stud plug bush positioning assembly is mounted in the inner chamber, and inner positioning holes for inserting corresponding studs are formed in the stud plug bush positioning assembly; the middle part of the bottom surface of the deslagging cutter is provided with an insertion hole, and the insertion hole is vertically communicated with the inner positioning hole; the bottom surface of the deslagging cutter is provided with a cutting part or is fixed with a cutter, and the cutting edge of the cutting part or the cutter is adjacent to the jack. Compared with the prior art, the welding equipment can automatically complete stud welding and welding slag removal, has good welding quality, avoids thread damage, and can automatically remove the welding slag ring in the groove or hole of the workpiece.

Description

Improved welding equipment

Technical Field

The utility model belongs to the technical field of stud welding equipment technique and specifically relates to a modified welding equipment is related to.

Background

The stud welding is a special welding process method for welding studs or columnar metals with the diameter of 2 mm-25 mm on the surface of the metal in a fusion way through high efficiency, low cost and full section. In the prior art, mechanical arm welding equipment is often used to perform short-period arc stud welding processing on a workpiece needing stud welding processing, and the method specifically comprises the following steps: firstly, placing a welding stud (or columnar metal) on a welding base metal; then, clamping the welding stud by a welding gun, lifting the height of the welding stud, conducting current, exciting an electric arc between the welding stud and a welding base metal, and melting the end part of the welding stud and the surface of the welding base metal by the electric arc to form a welding pool; then, the welding stud and the welding parent metal move relatively under the driving of a welding gun, and the melting end of the welding stud is inserted into a welding pool; and finally, stopping the operation of the welding gun, stopping the welding current, extinguishing the electric arc, solidifying the welding pool, and finishing the full-section fusion welding seam between the welding stud and the welding base metal.

The welding position of the welding stud and the melting part of the welding base metal form a welding slag ring, and the electric welding slag is easy to fall off along with the change or the vibration of the environmental temperature in the using process of a product and falls on a site or equipment near a weldment to cause equipment failure, so that the welding slag at the inner end part of the welding stud person needs to be removed after the electric welding of the welding stud is finished. However, when the slag ring is located in the groove or hole of the workpiece, it is difficult to remove the slag by a general slag removing device such as an angle cutter or an electric cutter, the slag removing cutter is difficult to extend into the root of the welding stud located in the groove or hole, the operation difficulty is high, the cleanliness is low, and the external thread of the welding stud is easily scratched in the slag removing process, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an improved welding device which can continuously complete stud welding and welding slag removal, shorten the processing period of products and improve the production efficiency of enterprises; can carry out automatic slag removal to the welding slag ring that is located the inslot or downthehole of work piece, improve slagging-off quality and product quality.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: an improved welding device comprises a mechanical hand device and a welding gun tool device arranged on the mechanical hand device, wherein the welding gun tool device is provided with a tool disc, one side of the tool disc is provided with the welding gun device, the other side of the tool disc is provided with a deslagging device, the deslagging device comprises a scraper driving device and a deslagging cutter, the scraper driving device is arranged on the tool disc, the deslagging cutter is arranged on the scraper driving device, and the scraper driving device is in transmission connection with the deslagging cutter; an inner chamber is formed in the deslagging cutter, at least one stud plug bush positioning assembly is mounted in the inner chamber, and inner positioning holes for inserting corresponding studs are formed in the stud plug bush positioning assembly; the middle part of the bottom surface of the deslagging cutter is provided with an insertion hole, and the insertion hole is vertically communicated with the inner positioning hole; the bottom surface of the deslagging cutter is provided with a cutting part or is fixed with a cutter, and the cutting edge of the cutting part or the cutter is adjacent to the jack.

In a further technical scheme, the inner positioning hole is smaller than the jack and is in clearance fit with the stud; a plurality of cutting parts or cutters are arranged at intervals on the outer edge of the jack along the circumferential direction, cutting edges of the cutting parts or cutters extend along the radial direction of the jack, the inner ends of the cutting edges do not exceed the inner wall of the jack, and different deslagging cutters are provided with inner positioning holes and jacks with different sizes.

In a further technical scheme, the fit clearance between the inner positioning hole and the stud is 0-0.5mm, and the height of the cutting edge of the cutting part or the cutting knife protruding out of the bottom surface of the slag removing cutter is 0-5 mm.

In a further technical scheme, a plurality of chip guide grooves are formed in the bottom surface of the slag removing cutter at intervals along the circumferential direction, each chip guide groove extends along the radial direction of the slag removing cutter, the inner ends of the chip guide grooves are communicated with the insertion holes, and the outer ends of the chip guide grooves penetrate through the outer side wall of the slag removing cutter; the cross section of the chip guide groove is in a water drop shape, the notch of the chip guide groove is gradually narrowed from bottom to top, the inner side wall of the same side of each chip guide groove is respectively intersected with the bottom surface of the slag removing cutter to form a cutting part with the same specification, the cutting edge angle of the cutting part is 60-80 degrees, the groove edges on two sides of the same chip guide groove have height difference and form cutting depth, the groove edge on one side of the same chip guide groove, which forms the cutting part, is higher than the groove edge on the other side of the same chip guide groove, and the cutting depth is 0.1-0.5 mm.

In a further technical scheme, the cutting part comprises an outer cutting edge and an inner cutting edge, the inner end of the outer cutting edge is connected with the outer end of the inner cutting edge, a cutting edge included angle alpha is formed between the outer cutting edge and the inner cutting edge, and the cutting edge included angle alpha is 25-45 degrees.

In further technical scheme, double-screw bolt plug bush locating component includes outer fixed ring and interior rotatory ring, and outer fixed ring fastens in interior cavity, and outer fixed ring is provided with interior installation room, and interior rotatory ring rotation installs in outer fixed ring's interior installation room, and interior locating hole has been seted up at the middle part of interior rotatory ring, and interior rotatory ring is vertically run through to interior locating hole.

In a further technical scheme, the stud plug bush positioning assembly comprises a bearing, the bearing is provided with an inner bearing ring and an outer shaft seat, the outer shaft seat is fastened in an inner chamber, the inner bearing ring is rotatably connected with the outer shaft seat, and the inner bearing ring and the outer shaft seat are coaxially and rotatably matched; the inner bearing ring is provided with an inner shaft hole which vertically penetrates through the inner bearing ring so as to form an inner positioning hole, the slag removing cutter is sleeved on the stud through the insertion hole before rotary cutting and slag removing, the stud is sleeved on the inner bearing ring of the bearing, and the inner shaft hole is in clearance fit with the stud.

In a further technical scheme, the slag removing device is also provided with a knife handle, one side of the knife handle is provided with a connecting shaft, the other side of the knife handle is provided with a knife assembling part, the scraper driving device is provided with an output shaft, and the connecting shaft is connected with the output shaft of the scraper driving device; the slag removing cutter is arranged at the cutter assembling part of the cutter handle; two or more than two bearings are fixed in the inner cavity, the bearings are coaxially matched, the fit clearance between the inner shaft hole of each bearing and the stud is less than 0.1mm, the bottom surface of the slag removing cutter movably supports against the root of the stud during rotary cutting slag removal, the inner shaft hole of each bearing is respectively sleeved on the stud, the inner bearing ring and the outer bearing seat are relatively rotatably matched, the inner bearing ring and the stud are relatively statically matched in the rotating direction and are relatively movably matched in the vertical direction, so that the stud is prevented from being damaged, and the coaxiality between the slag removing cutter and the stud is ensured.

In a further technical scheme, the mechanical arm device is set as a joint type mechanical arm, a rotating shaft joint is arranged at the end part of the joint type mechanical arm, a tool disc is installed on the rotating shaft joint, a welding gun device and a slag removal device are in rotating transposition fit, a welding device is provided with a welding mode and a slag removal mode, and when the welding device is in the welding mode, the tool disc drives the welding gun device to rotate and move to a set target machining position so as to complete stud welding; when the welding equipment is in a slag removal mode, the tool disc drives the slag removal device to rotate and move the same target machining position so as to complete welding slag removal.

In a further technical scheme, the manipulator device is a rectangular coordinate manipulator, the rectangular coordinate manipulator is provided with at least two linear servo modules which are arranged perpendicularly to each other, each linear servo module is provided with a linear driving seat, a tool disc is installed on the linear driving seat of any one linear servo module, the welding gun device and the slag removal device are in transposition fit in the linear direction, the welding equipment is provided with a welding mode and a slag removal mode, and when the welding equipment is in the welding mode, the tool disc drives the welding gun device to move to a set target machining position in the linear direction so as to complete stud welding; when the welding equipment is in a slag removal mode, the tool disc drives the slag removal device to move to the same target machining position along the linear direction so as to complete welding slag removal.

After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model provides an improved welding device, which carries out continuous welding processing and slag removal processing on a welding stud through a welding gun device and a slag removal device which are arranged on the same tool tray, avoids manual slag removal, saves time and labor, and has the advantages of good welding quality and avoiding accidental damage of threads of the welding stud; the utility model discloses a tube-shape scraper carries out the overlap-in, rotatory cutting slagging-off to the welding double-screw bolt, and it is effectual to remove the gred, avoids the welding department to burst open and destroys welded structure, can get rid of automatically to lieing in the work piece inslot or downthehole welding slag ring, has further improved product quality, reduces the defective rate, reduces the loss of enterprise's work piece material, improves the income of enterprise.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the assembly schematic diagram of the slag removing cutter of the utility model.

Fig. 3 is an exploded view of the medium slag removing tool of the present invention.

Fig. 4 is a schematic structural diagram of the middle knife handle of the present invention.

Fig. 5 is a schematic structural view of the slag removing cutter of the utility model.

Fig. 6 is a sectional view of the slag removing cutter of the utility model.

Fig. 7 is an enlarged view at a in fig. 6.

Fig. 8 is a cross-sectional view of a tooling plate structure in accordance with the present invention.

Detailed Description

The following are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby.

An improved welding device is shown in fig. 1 to 7, and comprises a mechanical hand device 1 and a welding gun tooling device arranged on the mechanical hand device 1, wherein the welding gun tooling device is provided with a tooling plate 2, one side of the tooling plate 2 is provided with a welding gun device 3, the other side of the tooling plate 2 is provided with a deslagging device 4, the deslagging device 4 comprises a scraper driving device 41 and a deslagging cutter 43, the scraper driving device 41 is arranged on the tooling plate 2, the deslagging cutter 43 is arranged on the scraper driving device 41, and the scraper driving device 41 is in transmission connection with the deslagging cutter 43; an inner cavity 433 is formed in the deslagging cutter 43, at least one stud plug bush positioning assembly is mounted in the inner cavity 433, and the stud plug bush positioning assembly is provided with an inner positioning hole 440 for inserting and sleeving a corresponding stud; the middle part of the bottom surface of the deslagging cutter 43 is provided with an insertion hole 430, and the insertion hole 430 is vertically communicated with an inner positioning hole 440; the bottom surface of the slag removing cutter 43 is provided with a cutting portion 431 or a cutter is fixed thereto, and the cutting portion 431 or the blade of the cutter is adjacent to the insertion hole 430. During slag removal, the stud to be subjected to slag removal penetrates through the insertion hole 430 and is inserted into the inner positioning hole 440, and the cutting part 431 of the slag removal cutter 43 is pressed against the welding position of the stud, so that welding slag is removed in a rotating mode. The welding equipment integrates the welding and slag removal functions, manual slag removal after the stud welding processing of the workpiece is finished is avoided, the continuous welding processing and slag removal processing are realized, and the product processing period is further shortened. The important core technology is that the cylindrical slag removing cutter 43 can rotationally remove welding slag on the welding stud in a sleeved mode, the welding stud is inserted into the inner positioning hole 440 during slag removal, collision of the slag removing cutter 43 is avoided, coaxiality between the slag removing cutter 43 and the welding stud is guaranteed, and thread damage is avoided; the welding slag ring body is subjected to uniform cutting acting force, the welding slag removing quality is good, and the welding layer structure and the external threads of the welding stud are not damaged. The slag removing problem of the welding stud in the groove or hole of the workpiece is solved, and the slag removing tool 43 can penetrate into the groove or hole of the workpiece to perform rotary cutting slag removal.

For the stud welding processing in the groove or the hole of the workpiece, after the improved welding equipment is adopted to replace manual welding, the processing efficiency is obviously improved, and the specific evaluation data are shown in the following list:

	output per hour	Personnel required	Fraction defective	Repeatability of precision
					Improved welding process	30	1	0.5％	0.02mm
Hand welding
		15	3	10％	0.2mm

According to the above table, the improved welding equipment is adopted to weld the studs in the grooves or holes of the workpieces, and the output quantity, the number of operators, the reject ratio and the repetition precision of each hour are greatly improved, so that the welding equipment can bring obvious benefits for enterprises, and the production efficiency and the processing quality of the enterprises are improved.

Specifically, the inner positioning hole 440 is smaller than the insertion hole 430, and the inner positioning hole 440 is in clearance fit with the stud; a plurality of cutting parts 431 or cutters are arranged at intervals at the outer edge of the insertion hole 430 along the circumferential direction, the cutting edges of the cutting parts 431 or cutters extend along the radial direction of the insertion hole 430, the inner ends of the cutting edges do not exceed the inner wall of the insertion hole 430, and different deslagging cutters 43 are provided with inner positioning holes 440 and insertion holes 430 with different sizes. The inner positioning hole 440 is used for ensuring the coaxiality between the slag removing cutter 43 and the welding stud, so that the welding slag ring at the root of the welding stud can be uniformly cut off, the root of the stud after slag removal is uniform shear marks, and the slag removal quality is good.

Specifically, the fit clearance between the inner positioning hole 440 and the stud is 0-0.5mm, and the height of the cutting part 431 or the cutting edge of the cutter protruding from the bottom surface of the slag removing cutter 43 is 0-5 mm.

Specifically, the bottom surface of the slag removing cutter 43 is provided with a plurality of chip guide grooves 432 at intervals along the circumferential direction, each chip guide groove 432 extends along the radial direction of the slag removing cutter 43, the inner ends of the chip guide grooves 432 are communicated with the insertion hole 430, and the outer ends of the chip guide grooves 432 penetrate through the outer side wall of the slag removing cutter 43; the cross section of the chip guide groove 432 is in a drop shape, the notch of the chip guide groove 432 is gradually narrowed from bottom to top, the inner side wall of the same side of each chip guide groove 432 is respectively intersected with the bottom surface of the slag removing cutter 43 to form a cutting part 431 with the same specification, the angle of a blade of the cutting part 431 is 60-80 degrees, the groove edges on two sides of the same chip guide groove 432 have height difference and form cutting depth, the groove edge on one side of the same chip guide groove 432, which forms the cutting part 431, is higher than the groove edge on the other side, and the cutting depth is 0.1-0.5 mm. Because the hardness of the welding slag is high, the blade angle of the cutting part 431 is set to be 60-80 degrees so as to be suitable for welding removal processing, in addition, the uniformly distributed cutting parts 431 can averagely share the cutting reaction force, the polarization of the driving shaft is small, the stability of rotary cutting slag removal is further improved, and accidental collision between the slag removal cutter 43 and a welding stud is avoided. And the welding slag can be guided and discharged out of the slag removing cutter 43 along the chip guide groove 432 after being cut off, so that the welding slag is prevented from gathering on the cutting surface of the slag removing cutter 43 and influencing the cutting effect.

Specifically, the cutting portion 431 includes an outer blade 4312 and an inner blade 4311, an inner end of the outer blade 4312 is connected to an outer end of the inner blade 4311, a blade included angle α is formed between the outer blade 4312 and the inner blade 4311, and the blade included angle α is 25 ° to 45 °. The slag removing blade 431 with the bending included angle can ensure that the root of the screw forms a chamfer after the welding part is subjected to rotary cutting slag removal, the edge of the welding layer is not exposed outside, and a protective ring structure is formed at the edge position between the stud and the welding base metal, so that the stability of the welding layer is further improved, and the welding quality is improved.

Specifically, stud plug bush locating component includes outer fixed ring and interior rotatory ring, and outer fixed ring fastens in interior cavity 433, and outer fixed ring is provided with interior installation room, and interior rotatory ring rotation installs in the interior installation room of outer fixed ring, and interior locating hole 440 has been seted up at the middle part of interior rotatory ring, and interior rotatory ring is vertically run through to interior locating hole 440. The outer fixing ring and the inner rotating ring are matched in relative rotation so as to ensure that the inner positioning hole 440 plays a role in coaxially positioning the slag removing cutter 43 and avoid the relative friction between the inner positioning hole 440 and the welding stud during slag removal to cause abrasion to the external thread of the welding stud.

Specifically, the stud sleeve positioning assembly includes a bearing 44, the bearing 44 is provided with an inner bearing ring and an outer shaft seat, the outer shaft seat is fastened to the inner chamber 433, the inner bearing ring is rotatably connected to the outer shaft seat, and the inner bearing ring and the outer shaft seat are coaxially and rotatably matched; the inner bearing ring is provided with an inner shaft hole which vertically penetrates through the inner bearing ring to form an inner positioning hole 440, the slag removing cutter 43 is inserted into the stud through the insertion hole before rotary cutting and slag removing, the stud is sleeved with the inner bearing ring of the bearing 44, and the inner shaft hole is in clearance fit with the stud. The centripetal bearing 44 is used as the stud plug bush positioning assembly, so that the cost is low, the matching is easy, the coaxiality between the slag removing cutter 43 and the welding stud can be ensured at the bottom of the eccentricity ratio, and the rotary cutting slag removal can be smoothly completed on the welding stud.

Specifically, the deslagging device 4 is further provided with a knife handle 42, one side of the knife handle 42 is provided with a connecting shaft 421, the other side of the knife handle is provided with a cutter assembling part, the scraper driving device 41 is provided with an output shaft, and the connecting shaft 421 is connected with the output shaft of the scraper driving device 41; the deslagging cutter 43 is mounted on the cutter mounting portion of the cutter shank 42. The deslagging cutter 43 belongs to a replaceable component, and the deslagging cutter 43 which is adaptive to different length specifications, diameter width specifications and sizes of workpiece orifices is replaced for use.

Two or more than two bearings 44 are fixed in the inner chamber 433, the bearings 44 are coaxially matched, the fit clearance between the inner shaft hole of each bearing 44 and the stud is less than 0.1mm, the bottom surface of the slag removing cutter 43 movably presses against the root of the stud when the slag removing cutter rotates to remove slag, the inner shaft hole of each bearing 44 is respectively sleeved on the stud, the inner bearing ring and the outer bearing seat are relatively rotatably matched, the inner bearing ring and the stud are relatively statically matched in the rotating direction and are relatively displaced and matched in the vertical direction, so that the stud is prevented from being damaged, and the coaxiality between the slag removing cutter 43 and the stud is ensured. The stud inserting sleeve positioning assembly consisting of the plurality of bearings 44 which are arranged in an overlapped mode can ensure that relatively high coaxiality is kept between the stud and the deslagging cutter 43 when the deslagging cutter is sleeved into the stud, and the cutting part can be evenly abutted against a welding slag ring in the circumferential direction. In addition, the radial load borne by the bolt is reduced, and thread damage is avoided.

Specifically, a cylindrical boss 422 is disposed in the middle of the cutter mounting portion, and during mounting, the boss 422 is movably inserted into the inner chamber 433, and the top of the boss 422 abuts against a radial bearing 44 close to the inner chamber 433. The stud plug bush positioning component is used as a sleeving positioning functional part, the assembly coaxiality between the stud plug bush positioning component and the deslagging cutter 43 is one of the keys influencing the smoothness of rotary cutting deslagging, the cutter assembling part can ensure that the deslagging cutter 43 is kept highly coaxial with the output shaft of the scraper driving device 41 during assembly, so that the deslagging cutter 43 is kept relatively high coaxiality with the stud when sleeved in the stud, and the cutting part can be circumferentially and uniformly abutted against a welding slag ring. In addition, the radial load borne by the bolt is reduced, and thread damage is avoided.

Specifically, the boss surface of the boss 422 is provided with a backing ring 423 for abutting against the outer ring of the radial bearing 44, and the backing ring 423 is made of a soft rubber material, so that the inner ring of the radial bearing 44 is prevented from abutting against the boss surface of the boss 422 to generate frictional resistance, and the inner ring and the stud surface are prevented from generating relative friction to damage threads.

Specifically, the tool shank 42 is provided with at least two fastening connection holes 420 at intervals along the circumferential direction, each fastening connection hole 420 is inserted with a fastening bolt 424, the assembly surface of the slag removing tool 43 is provided with threaded holes 434 with the same number as the fastening bolts 424, during assembly, the assembly surface of the slag removing tool 43 is in close fit with the outer side surface of the tool shank 42, and each fastening bolt 424 is in threaded connection with the corresponding threaded hole 434.

Specifically, the manipulator device 1 is set as a joint type manipulator, a rotating shaft joint 15 is arranged at the end part of the joint type manipulator, the tooling plate 2 is installed on the rotating shaft joint 15, the welding gun device 3 and the slag removal device 4 are matched in a rotating transposition mode, the welding equipment is provided with a welding mode and a slag removal mode, and when the welding equipment is in the welding mode, the tooling plate 2 drives the welding gun device 3 to rotate and move to a set target machining position so as to complete stud welding; when the welding equipment is in a slag removal mode, the tooling plate 2 drives the slag removal device 4 to rotate and move the same target processing position so as to complete the removal of welding slag.

Specifically, the articulated manipulator comprises a manipulator base 11, a mechanical arm 12 rotatably mounted on the manipulator base 11, a mechanical elbow 13 rotatably connected to the mechanical arm 12, a mechanical elbow wrist 14 rotatably connected to the mechanical elbow 13, and a rotary shaft joint 15 mounted on the mechanical elbow wrist 14, and the articulated manipulator and the mechanical elbow 13 form a six-axis manipulator to cooperatively drive the welding gun device 3 and the deslagging device 4 to respectively move to target processing positions. In addition, the articulated manipulator can be freely programmed, the control system program of the articulated manipulator has the functions of editing, modifying, memorizing and the like, the full-automatic work can be completed through the set program, the manual work is completely replaced, the production efficiency is improved, and the qualification rate is strictly controlled.

Certainly, the manipulator device 1 can also be set as a rectangular coordinate manipulator, the rectangular coordinate manipulator is provided with at least two linear servo modules which are arranged perpendicularly to each other, each linear servo module is provided with a linear driving seat, the tooling plate 2 is installed on the linear driving seat of any one linear servo module, the welding gun device 3 and the slag removal device 4 are in transposition fit in the linear direction, the welding equipment is provided with a welding mode and a slag removal mode, and when the welding equipment is in the welding mode, the tooling plate 2 drives the welding gun device 3 to move to a set target machining position in the linear direction so as to complete stud welding; when the welding equipment is in a slag removal mode, the tooling plate 2 drives the slag removal device 4 to move to the same target processing position along the linear direction so as to complete the removal of welding slag.

As shown in fig. 8, specifically, the rotating shaft joint 15 is provided with a tool tray structure for quick replacement, which includes a socket 150 provided at the outer end of the rotating shaft joint 15 and oil pressure bolts distributed uniformly in the opposite direction along the circumference, the oil pressure bolts are arranged in the radial direction, and the oil pressure bolts are connected to a hydraulic driving device; the bottom of the tool disc 2 is provided with a connecting column 21, the circumferential surface of the connecting column 21 is provided with a plurality of bolt holes, during assembly, the connecting column 21 is inserted into the inserting port 150, and the hydraulic driving device drives the oil pressure bolts to be inwards inserted into the corresponding bolt holes so as to lock the tool disc 2.

Specifically, an oil pressure transmission structure is arranged on the outer wall of the rotary shaft joint 15, the oil pressure transmission structure comprises a hydraulic oil cylinder 153 arranged on the circumferential part of the rotary shaft joint 15 and a sliding block 154 arranged in the hydraulic oil cylinder 153 in a sliding manner, an oil pressure bolt is fixedly connected to the inner side of the sliding block 154, the outer side surface of the sliding block 154 and the inner cavity of the hydraulic oil cylinder 153 surround to form a first hydraulic chamber, and the inner side surface of the sliding block 154 and the inner cavity of the hydraulic oil cylinder 153 surround to form a second; the first hydraulic chamber is provided with a first interface 151, the second hydraulic chamber is provided with a second interface 152, the hydraulic driving device is respectively connected with the first interface 151 and the second interface 152, when in assembly, the hydraulic driving device injects hydraulic oil from the first hydraulic chamber and simultaneously extracts the hydraulic oil from the second hydraulic chamber so as to drive the sliding block 154 and the hydraulic bolts to move inwards and be inserted into corresponding bolt holes to lock the tool disc 2; when the tool disc 2 is disassembled, the hydraulic driving device draws out hydraulic oil from the first hydraulic chamber, and simultaneously injects hydraulic oil from the second hydraulic chamber to drive the sliding block 154 and the hydraulic bolts to move outwards and separate from the corresponding bolt holes, so that the tool disc 2 is disassembled.

The tooling plate structure realizes quick replacement of the tooling plate 2, shortens the replacement period, avoids tooling correction, improves the production efficiency, is accurate in positioning and ensures the processing precision.

The utility model also provides a stud welding processing method, including following step:

1) and placing the welding stud at a target processing position of the welding base metal (the target processing position is a notch or an orifice).

2) And driving the welding gun device 3 to move to the target processing position through the manipulator device 1 of the welding equipment, and carrying out arc welding processing on the welding stud.

3) After the arc welding is finished, the mechanical arm device 1 drives the tool disc 2 to perform rotating fit or linear motion fit, so that the slag removing device 4 assembled on the same tool disc 2 and the welding gun device 3 are replaced, and the switching time is controlled to be 1-5 seconds.

4) The mechanical arm device 1 drives the slag removing cutter 43 of the slag removing device 4 to be sleeved in the welding stud and inserted into the notch or the orifice of the target processing position, the welding stud passes through the insertion hole 430 of the slag removing cutter 43 and is movably inserted into the inner positioning hole 440 of the stud insertion sleeve positioning component of the slag removing cutter 43, and the cutting part 431 of the bottom surface of the slag removing cutter 43 is abutted against the welding position of the welding stud.

5) And starting a scraper driving device 41 of the slag removing device 4, rotatably cutting and removing slag at the welding position of the welding stud, keeping the slag removing cutter 43 always having a movement trend towards the root of the welding stud, and enabling an inner positioning hole 440 of a stud plug bush positioning assembly in the slag removing cutter 43 to be in relative static fit with the welding stud in the rotation direction, so that stud welding processing is completed.

The stud welding processing method has the technical key points that: 1. in the automatic processing process, the interval time between the welding processing and the slag removing processing is controlled to be 1-5 seconds, after the electric arc welding is completed, the electric welding slag still has residual heat, has lower hardness and soft quality, is easy to remove, has less reaction force to the slag removing cutter, has long service cycle of the slag removing cutter, has good slag removing effect and is not easy to break a welding layer structure; 2) the welding position of the welding stud is subjected to rotary cutting deslagging through the cylindrical cutting tool, the difficult problem of cleaning welding slag of the stud in a hole or a groove is solved, the quality of removing the welding slag is good, the structure of a welding layer is not damaged, the defective product rate is low, and the enterprise benefit is improved; 3) the coaxiality of the slag removing cutter 43 and the welding stud in the rotary cutting process is ensured through the inner positioning hole 440 of the stud plug bush positioning assembly, the rotary polarization is reduced, and the slag removing quality is improved.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. The utility model provides a modified welding equipment, welding equipment include manipulator device (1) and install in manipulator device (1) welder tool equipment, its characterized in that: the welding gun tooling device is provided with a tooling plate (2), one side of the tooling plate (2) is provided with a welding gun device (3), the other side is provided with a deslagging device (4),

the deslagging device (4) comprises a scraper driving device (41) and a deslagging cutter (43),

the scraper driving device (41) is arranged on the tool disc (2), the slag removing cutter (43) is arranged on the scraper driving device (41), and the scraper driving device (41) is in transmission connection with the slag removing cutter (43);

an inner chamber (433) is formed in the deslagging cutter (43), at least one stud plug bush positioning assembly is mounted in the inner chamber (433), and an inner positioning hole (440) for plugging a corresponding stud is formed in the stud plug bush positioning assembly;

the middle part of the bottom surface of the slag removing cutter (43) is provided with an insertion hole (430), and the insertion hole (430) is vertically communicated with the inner positioning hole (440);

the bottom surface of the deslagging cutter (43) is provided with a cutting part (431) or is fixed with a cutter, and the cutting edge of the cutting part (431) or the cutter is adjacent to the insertion hole (430).

2. An improved welding apparatus as defined in claim 1, wherein: the inner positioning hole (440) is smaller than the insertion hole (430), and the inner positioning hole (440) is in clearance fit with the stud; a plurality of cutting parts (431) or cutters are arranged at intervals on the outer edge of the insertion hole (430) along the circumferential direction, the cutting edges of the cutting parts (431) or cutters extend along the radial direction of the insertion hole (430), the inner ends of the cutting edges do not exceed the inner wall of the insertion hole (430), and different deslagging cutters (43) have inner positioning holes (440) with different sizes and insertion holes (430).

3. An improved welding apparatus as defined in claim 2, wherein: the fit clearance between the inner positioning hole (440) and the stud is 0-0.5mm, and the height of the cutting part (431) or the cutting edge of the cutter protruding out of the bottom surface of the deslagging cutter (43) is 0-5 mm.

4. An improved welding apparatus as defined in claim 3, wherein: a plurality of chip guide grooves (432) are formed in the bottom surface of the slag removing cutter (43) at intervals along the circumferential direction, each chip guide groove (432) extends along the radial direction of the slag removing cutter (43), the inner ends of the chip guide grooves (432) are communicated with the insertion holes (430), and the outer ends of the chip guide grooves penetrate through the outer side wall of the slag removing cutter (43);

the cross section of the chip guide grooves (432) is in a water-drop shape, the notches of the chip guide grooves (432) are gradually narrowed from bottom to top, the inner side wall of the same side of each chip guide groove (432) is respectively intersected with the bottom surface of the slag removing cutter (43) to form the cutting part (431) with the same specification, the blade angle of the cutting part (431) is 60-80 degrees, the groove edges on two sides of the same chip guide groove (432) have height difference and form cutting depth, the groove edge on one side of the same chip guide groove (432) where the cutting part (431) is formed is higher than the groove edge on the other side, and the cutting depth is 0.1-0.5 mm.

5. An improved welding apparatus as defined in claim 4, wherein: the cutting part (431) comprises an outer cutting edge (4312) and an inner cutting edge (4311), the inner end of the outer cutting edge (4312) is connected with the outer end of the inner cutting edge (4311), a cutting edge included angle alpha is formed between the outer cutting edge (4312) and the inner cutting edge (4311), and the cutting edge included angle alpha is 25-45 degrees.

6. An improved welding apparatus as claimed in any one of claims 1 to 5, wherein: the stud plug bush positioning assembly comprises an outer fixing ring and an inner rotating ring, the outer fixing ring is fastened to the inner cavity chamber (433), the outer fixing ring is provided with an inner mounting chamber, the inner rotating ring is rotatably mounted in the inner mounting chamber of the outer fixing ring, the middle of the inner rotating ring is provided with the inner positioning hole (440), and the inner positioning hole (440) vertically penetrates through the inner rotating ring.

7. An improved welding apparatus as defined in claim 5, wherein: the stud inserting and positioning assembly comprises a bearing (44), the bearing (44) is provided with an inner bearing ring and an outer shaft seat, the outer shaft seat is fastened to the inner chamber (433), the inner bearing ring is rotatably connected to the outer shaft seat, and the inner bearing ring and the outer shaft seat are coaxially and rotatably matched;

the inner bearing ring is provided with an inner shaft hole which vertically penetrates through the inner bearing ring to form the inner positioning hole (440), the slag removing cutter (43) is inserted in the stud through the insertion hole before rotary cutting and slag removing, the stud is sleeved with the inner bearing ring of the bearing (44), and the inner shaft hole is in clearance fit with the stud.

8. An improved welding apparatus as defined in claim 7, wherein: the slag removing device (4) is also provided with a knife handle (42), one side of the knife handle (42) is provided with a connecting shaft (421), the other side of the knife handle is provided with a knife tool assembling part, the scraper driving device (41) is provided with an output shaft, and the connecting shaft (421) is connected with the output shaft of the scraper driving device (41); the deslagging cutter (43) is arranged at the cutter assembling part of the cutter handle (42);

inner chamber (433) internal fixation has two or more bearing (44), coaxial cooperation between each bearing (44), each bearing (44) the fit clearance between interior shaft hole and the double-screw bolt is less than 0.1mm, the bottom surface activity of slagging-off cutter (43) is supported and is pressed to the root of double-screw bolt during rotatory cutting slagging-off, each bearing (44) interior shaft hole is located the double-screw bolt respectively, interior bearing ring with relative rotation cooperation between the outer axle seat, the cooperation of static relatively in the direction of rotation between interior bearing ring and the double-screw bolt, in the cooperation of vertical direction relative displacement to avoid the impaired, guarantee the axiality between slagging-off cutter (43) and the double-screw bolt of double-screw bolt.

9. An improved welding apparatus as defined in claim 1, wherein: the welding equipment is characterized in that the manipulator device (1) is arranged as a joint type manipulator, a rotating shaft joint (15) is arranged at the end part of the joint type manipulator, the tooling plate (2) is installed on the rotating shaft joint (15), the welding gun device (3) and the slag removal device (4) are in rotating transposition fit, the welding equipment is provided with a welding mode and a slag removal mode, and when the welding equipment is in the welding mode, the tooling plate (2) drives the welding gun device (3) to rotate and move to a set target machining position so as to complete stud welding; when the welding equipment is in a slag removal mode, the tool disc (2) drives the slag removal device (4) to rotate and move the same target machining position so as to complete welding slag removal.

10. An improved welding apparatus as defined in claim 1, wherein: the welding machine is characterized in that the manipulator device (1) is arranged as a rectangular coordinate manipulator, the rectangular coordinate manipulator is provided with at least two linear servo modules which are arranged perpendicularly to each other, each linear servo module is provided with a linear driving seat, the tool disc (2) is installed on the linear driving seat of any one linear servo module, the welding gun device (3) and the slag removal device (4) are in transposition fit in the linear direction, the welding equipment is provided with a welding mode and a slag removal mode, and when the welding equipment is in the welding mode, the tool disc (2) drives the welding gun device (3) to move to a set target machining position in the linear direction so as to complete stud welding; when the welding equipment is in a slag removal mode, the tool disc (2) drives the slag removal device (4) to move to the same target machining position along the linear direction so as to complete welding slag removal.

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