CN111604626A - Automatic welding equipment and welding method for composite sheet drill bit - Google Patents
Automatic welding equipment and welding method for composite sheet drill bit Download PDFInfo
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- CN111604626A CN111604626A CN202010536440.4A CN202010536440A CN111604626A CN 111604626 A CN111604626 A CN 111604626A CN 202010536440 A CN202010536440 A CN 202010536440A CN 111604626 A CN111604626 A CN 111604626A
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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Abstract
The invention discloses automatic welding equipment and a welding method for a composite sheet drill bit, wherein the automatic welding equipment for the composite sheet drill bit comprises a workbench, a drill bit body clamping mechanism, a welding solvent feeding mechanism, a soldering lug feeding mechanism, a composite sheet feeding mechanism, an automatic material taking mechanism and a welding machine are arranged on the workbench, the automatic material taking mechanism is positioned between the welding solvent feeding mechanism and the welding machine, and the soldering lug feeding mechanism and the composite sheet feeding mechanism are both positioned between the automatic material taking mechanism and the welding machine; the drill bit body clamping mechanism comprises a first linear sliding table, a bottom plate is arranged on the first linear sliding table, a low-speed motor is rotatably arranged on the bottom plate through a hinged seat, a chuck is arranged on a main shaft of the low-speed motor, and a chuck adjusting module is arranged on the bottom plate and below the chuck. The automatic feeding device can automatically complete feeding of a welding solvent, a welding lug and a composite sheet, can automatically complete welding of a composite sheet drill bit, and has the advantages of high automation degree, high production efficiency and stable quality of the composite sheet drill bit.
Description
Technical Field
The invention relates to the technical field of welding of composite sheet drill bits, in particular to automatic welding equipment and a welding method for the composite sheet drill bits.
Background
The composite sheet drill bit has the characteristics of excellent wear resistance, high drilling efficiency, long service life and the like. Therefore, the method is widely applied to industries such as coal fields, oil drilling, geological exploration, water conservancy and hydropower, railway and road, tunnel construction and the like.
However, at present, in the process of welding the composite sheet drill bit, a manual welding mode is usually adopted, that is, the welding sheet and the composite sheet are manually placed on the blade groove of the drill bit body, and finally welding is carried out.
Accordingly, there is a need to provide a new apparatus for automated welding of composite compact bits.
Disclosure of Invention
In view of the above, the invention provides an automatic welding device and a welding method for a composite sheet drill bit, which can automatically complete the feeding of a welding solvent, a welding sheet and a composite sheet, and can automatically complete the welding of the composite sheet drill bit, and have the advantages of high automation degree, high production efficiency and stable quality of the composite sheet drill bit.
In order to achieve the purpose, the invention provides automatic welding equipment for a composite sheet drill bit, which comprises a workbench, wherein a drill bit body clamping mechanism, a welding solvent feeding mechanism, a welding sheet feeding mechanism, a composite sheet feeding mechanism, an automatic material taking mechanism and a welding machine are arranged on the workbench;
the automatic material taking mechanism is used for sequentially placing a soldering lug provided by the soldering lug feeding mechanism and a composite sheet provided by the composite sheet feeding mechanism on the blade groove of the bit body, and the welding machine is used for welding the composite sheet on the blade groove of the bit body;
drill bit body fixture includes that the level sets up the first linear sliding table on workstation upper portion, set up the bottom plate on the first linear sliding table, it is provided with the low-speed motor to rotate through articulated seat on the bottom plate, be provided with the chuck on the main shaft of low-speed motor, just be located on the bottom plate the below position of chuck sets up and is used for the adjustment the chuck adjusting module at the height and the inclination of chuck.
Further, the chuck adjusting module comprises a first lead screw arranged on the bottom plate in a rotating mode through a shaft seat, the axis of the first lead screw is parallel to that of the hinged seat, a forward thread is arranged on one end side of the first lead screw, a reverse thread is arranged on the other end side of the first lead screw, two end sides of the first lead screw are respectively connected with a sliding block matched with the first lead screw, a supporting plate is vertically arranged on each sliding block, the upper end portion of each supporting plate is supported at the bottom of the chuck, the sliding guide between the sliding blocks and the bottom plate is achieved through a sliding rail and sliding groove structure, and a rotating operation module is arranged at the outer end portion of the first lead screw.
Further, the rotating operation module adopts an operation rod or an operation hand wheel.
Further, the upper end of the supporting plate is rotatably provided with a roller, and the roller is supported at the bottom of the chuck.
Or, the chuck adjusting module is in including rotating the setting automatic telescopic link on the bottom plate, the bottom of chuck sets up the otic placode, the upper end of automatic telescopic link articulates the lower tip of otic placode.
Furthermore, the automatic telescopic rod adopts an electric telescopic rod, or a pneumatic telescopic rod, or a hydraulic telescopic rod.
Further, welding solvent feed mechanism includes and sets up along the horizontal direction through the support frame the second sharp slip table of drill bit body fixture top, the second sharp slip table with first sharp slip table is mutually perpendicular, set up third sharp slip table along vertical direction on the second sharp slip table, third sharp slip table lower part outside sets up the notes material mouth, the notes material mouth is used for pouring into welding solvent into on the blade groove of drill bit body.
Further, automatic feeding agencies includes and sets up along the horizontal direction through the support frame the fourth sharp slip table of drill bit body fixture top, fourth sharp slip table with first sharp slip table is mutually perpendicular, follow vertical automatic telescoping cylinder that sets up on the fourth sharp slip table, the lower part of the flexible end of automatic telescoping cylinder sets up negative pressure suction nozzle, negative pressure suction nozzle is connected with the negative pressure source through the pipeline.
Further, the negative pressure source adopts a plunger pump or a centrifugal pump.
Further, the automatic telescopic cylinder is a pneumatic telescopic cylinder, or an electric telescopic cylinder, or a hydraulic telescopic cylinder.
Further, soldering lug feed mechanism is including setting up rotating module on the workstation, the last bracket that sets up of rotating module, use on the bracket rotating module's centre of rotation evenly sets up a plurality of soldering lug feed pipes for the axis and along circumference, the soldering lug has been stacked in the soldering lug feed pipe, is located rotating module's side sets up soldering lug ejecting rod, soldering lug ejecting rod is flexible from top to bottom by the flexible module drive of straight line realization, is used for upwards will soldering lug in the soldering lug feed pipe is ejecting and resetting downwards one by one.
Further, the number of the soldering lug feeding pipes is 1-8.
Further, the linear telescopic module adopts a pneumatic telescopic cylinder, an electric telescopic cylinder, a hydraulic telescopic cylinder or a linear gear box driven by a speed reduction motor.
Further, the rotating module adopts a rotating cylinder, or an electric rotary table, or a hydraulic rotary table.
Further, compound piece feed mechanism is including setting up brace table on the workstation, set up a type frame on the brace table, the vertical compound piece feed pipe that sets up along on the type frame of door, compound piece has been stacked in the compound piece feed pipe, the inboard level of type frame sets up the guide rail, slide on the guide rail and set up rather than the compound piece scraping wings of matched with, set up the holding tank with compound piece shape looks adaptation on the compound piece scraping wings, the inner chamber of compound piece feed pipe downwards with the upper surface of compound piece scraping wings is linked together and is located in order to guarantee compound piece of the inner chamber of compound piece feed pipe bottom can freely fall the upper surface of compound piece scraping wings, set up on the brace table and be used for automatic push-and-pull the automatic flexible module of compound piece scraping wings.
Further, the automatic telescopic module adopts a pneumatic telescopic cylinder, an electric telescopic cylinder or a hydraulic telescopic cylinder.
Further, the supporting table is arranged on the workbench through a lifting adjusting module, the lifting adjusting module comprises a guide post arranged on the supporting table in a sliding mode through a guide sleeve, the lower end of the guide post is arranged on the workbench, a transverse plate is arranged at the upper end of the guide post, a second lead screw is arranged on the transverse plate in a rotating mode through a bearing, an internal thread sleeve matched with the second lead screw is fixedly arranged on the supporting table, and a rotating handle is arranged at the upper end of the second lead screw.
In addition, the invention also provides an automatic welding method of the composite sheet drill bit, which comprises the following steps:
s1, adjusting the height and the inclination angle of the front end of the chuck: the first linear sliding table drives the chuck to move towards the welding machine, so that the chuck is positioned beside the welding machine, the relative distance between the two sliding blocks is adjusted by operating the rotary operation module, the distance between the two supporting plates is further driven to change, and finally the purpose of adjusting the height and the inclination angle of the front end of the chuck is achieved, so that the bit body is clamped on the chuck and then is just positioned at the height of a heating coil of the welding machine, and blade grooves of the bit bodies with different models and specifications can be ensured to be positioned at the horizontal position, so that welding liquid is prevented from flowing outwards;
s2, clamping the bit body: the first linear sliding table drives the chuck to move outwards, so that the chuck is far away from the welding solvent feeding mechanism and is set as an initial position, the low-speed motor is started to loosen a clamping jaw of the chuck, and after the drill bit body is installed and clamped on the clamping jaw, the low-speed motor is started to drive the drill bit body to rotate until one blade groove of the drill bit body faces upwards and is in a horizontal position;
s3, filling the welding solvent for the first time: the first linear sliding table drives the drill bit body clamped on the chuck to move to a position right below the welding solvent feeding mechanism, and the welding solvent is filled into a blade groove of the drill bit body by the welding solvent feeding mechanism;
s4, carrying out soldering lug feeding: after filling of the welding solvent is completed, the first linear sliding table continues to drive the drill bit body clamped on the chuck to move to the position below the automatic material taking mechanism, the fourth linear sliding table drives the negative pressure suction nozzle to move to the position right above a welding piece feeding pipe of the welding piece feeding mechanism, the automatic telescopic cylinder extends downwards to enable the negative pressure suction nozzle to adsorb the welding piece, and then the fourth linear sliding table drives the negative pressure suction nozzle adsorbed with the welding piece to move to the position above a blade groove of the drill bit body and places the welding piece at the position, where the welding solvent is filled for the first time, on the blade groove of the drill bit body; after the soldering lug feeding is completed every time, the soldering lug ejecting rod ejects a soldering lug upwards by a height so as to ensure that the soldering lug is always arranged at the upper end of the soldering lug feeding pipe until the soldering lug in the soldering lug feeding pipe is used up; when the soldering lug in the soldering lug feeding pipe positioned right above the soldering lug ejecting rod is used up, the rotating module drives the bracket to rotate, so that other soldering lug feeding pipes provided with the soldering lugs rotate to the position right above the soldering lug ejecting rod to continue feeding;
s5, refilling the welding solvent: after the welding lug is fed, the first linear sliding table drives the drill bit body to move outwards to a position right below the welding solvent feeding mechanism, and the welding solvent is filled into the welding lug on the blade groove of the drill bit body by using the welding solvent feeding mechanism;
s6, feeding of the composite sheet: the first linear sliding table drives the bit body to move to the position below the automatic material taking mechanism, the fourth linear sliding table drives the negative pressure suction nozzle to move to the side of a composite sheet feeding pipe of the composite sheet feeding mechanism, a composite sheet pushing plate carries a composite sheet falling into the containing groove and extends outwards to enable the composite sheet in the containing groove to be located under the negative pressure suction nozzle, the automatic telescopic cylinder extends downwards to enable the negative pressure suction nozzle to adsorb the composite sheet, then the fourth linear sliding table drives the negative pressure suction nozzle adsorbing the composite sheet to move to the position above a blade groove of the bit body, and the composite sheet is placed above a welding sheet filled with a welding solvent; after the feeding of the composite sheet is finished once, the composite sheet pushing plate enables the accommodating groove to return to the position under the composite sheet feeding pipe under the driving of the automatic telescopic module, so that the composite sheet at the lowest end of the composite sheet feeding pipe falls into the accommodating groove for feeding of the next composite sheet;
s7, welding the composite sheet drill bit: after the feeding of the composite sheet is completed, the first linear sliding table drives the bit body to move towards the welding machine until the bit body is just positioned in a heating coil of the welding machine, and the welding machine is started to complete the welding of the bit body and the composite sheet; after the welding of one composite sheet bit is completed, step S2 is performed to weld the next composite sheet bit.
The technical scheme of the invention has the following beneficial effects: the invention aims at the problems that in the prior art, in the process of welding a composite sheet drill bit, a manual welding mode is usually adopted, namely, a welding sheet and a composite sheet are manually placed on a blade groove of a drill bit body and are finally welded, the production mode has high requirement on the skill of an operator, the production efficiency is extremely low, the production mode is easily influenced by the operator, and the quality stability is poor. The automatic welding equipment for the composite sheet drill bit comprises a workbench, wherein a drill bit body clamping mechanism, a welding solvent feeding mechanism, a welding sheet feeding mechanism, a composite sheet feeding mechanism, an automatic material taking mechanism and a welding machine are arranged on the workbench; the automatic material taking mechanism is used for sequentially placing a soldering lug provided by the soldering lug feeding mechanism and a composite sheet provided by the composite sheet feeding mechanism on the blade groove of the bit body, and the welding machine is used for welding the composite sheet on the blade groove of the bit body; the drill bit body clamping mechanism comprises a first linear sliding table arranged on the upper portion of the workbench in a horizontal mode, a bottom plate is arranged on the first linear sliding table, a low-speed motor is arranged on the bottom plate in a rotating mode through a hinged seat, a chuck is arranged on a main shaft of the low-speed motor, and the bottom plate is located below the chuck and is used for adjusting a chuck adjusting module of the chuck height.
The invention utilizes the bit body clamping mechanism to clamp and move the bit body, and simultaneously realizes the adjustment of the height of the front end of the chuck so as to ensure that the bit body is just positioned at the height of a heating coil of a welding machine after being clamped on the chuck; simultaneously, utilize welding solvent feed mechanism to accomplish automatic interpolation welding solvent on the blade groove to the bit body, utilize soldering lug feeding mechanism to provide the soldering lug in succession, utilize compound piece feeding mechanism to provide compound piece in succession, utilize automatic extracting mechanism to place the soldering lug that soldering lug feeding mechanism provided and the compound piece that compound piece feeding mechanism provided on the blade groove of bit body in proper order, utilize the welding machine to accomplish the welding operation to compound piece drill bit at last, whole production process, the automation degree is high, high production efficiency, compound piece drill bit stable in quality's advantage.
Drawings
FIG. 1 is a schematic front view of an automatic welding apparatus for a composite sheet drill bit according to the present invention;
FIG. 2 is a schematic perspective view of an automatic welding apparatus for a composite sheet drill bit according to the present invention;
FIG. 3 is a schematic front view of a bit body clamping mechanism according to the present invention;
FIG. 4 is a schematic perspective view of a bit body clamping mechanism according to the present invention;
FIG. 5 is a perspective view of the chuck adjusting module according to the present invention;
FIG. 6 is a perspective view of the welding solvent feed mechanism of the present invention;
FIG. 7 is a perspective view of the automatic material dispensing mechanism of the present invention;
FIG. 8 is a schematic front view of the soldering lug feeding mechanism of the present invention;
FIG. 9 is a perspective view of the soldering lug feeding mechanism according to the present invention;
FIG. 10 is a perspective view of the composite sheet feeding mechanism of the present invention;
FIG. 11 is a perspective view of the composite sheet pusher plate according to the present invention;
reference numerals:
a work table 1000; bit body gripping mechanism 2000; a welding solvent feed mechanism 3000; soldering lug feeding mechanism 4000; a composite sheet feeding mechanism 5000; an automatic material taking mechanism 6000; a welding machine 7000;
a first linear slide 2100; a base plate 2200; a hinge base 2300; a low-speed motor 2400; a chuck 2500; a chuck adjustment module 2600; a shaft seat 2610; a first lead screw 2620; a slider 2630; a support plate 2640; a slide track runner structure 2650; a rotation operation module 2660; a roller 2670;
a support frame 3100; a second linear slide 3200; a third linear slide stage 3300; a material injection nozzle 3400;
a rotation module 4100; a bracket 4200; a lug feeding pipe 4300; a tab ejector 4400; a linear expansion module 4500;
a support table 5100; a guide sleeve 5110; a guide post 5120; a transverse plate 5130; a second lead screw 5140; an internally threaded sleeve 5150; a rotating handle 5160; a gantry 5200; a composite sheet feed tube 5300; a guide rail 5400; a composite sheet pushing plate 5500; an auto scaling module 5600;
a fourth linear slide table 6100; an automatic telescoping cylinder 6200; the negative pressure suction nozzle 6300.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 11 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
As shown in fig. 1-11: the utility model provides a compound piece drill bit automatic weld equipment, includes the workstation, set up drill bit body fixture, welding solvent feed mechanism, soldering lug feeding mechanism, compound piece feeding mechanism, automatic extracting mechanism and welding machine on the workstation, automatic extracting mechanism is located welding solvent feed mechanism with between the welding machine, soldering lug feeding mechanism with compound piece feeding mechanism all is located automatic extracting mechanism with between the welding machine.
Specifically, as shown in fig. 1 and 2, an automatic welding device for a composite sheet drill bit comprises a workbench 1000, wherein the workbench 1000 is provided with a drill bit body clamping mechanism 2000, a welding solvent feeding mechanism 3000, a welding sheet feeding mechanism 4000, a composite sheet feeding mechanism 5000, an automatic material taking mechanism 6000 and a welding machine 7000, the automatic material taking mechanism 6000 is located between the welding solvent feeding mechanism 3000 and the welding machine 7000, and the welding sheet feeding mechanism 4000 and the composite sheet feeding mechanism 5000 are located between the automatic material taking mechanism 6000 and the welding machine 7000;
the bit body clamping mechanism 2000 is used for clamping and moving the bit body, the welding solvent feeding mechanism 3000 is used for adding a welding solvent to a blade groove of the bit body, the soldering lug feeding mechanism 4000 is used for continuously providing soldering lugs, the composite sheet feeding mechanism 5000 is used for continuously providing composite sheets, the automatic material taking mechanism 6000 is used for sequentially placing the soldering lugs provided by the soldering lug feeding mechanism 4000 and the composite sheets provided by the composite sheet feeding mechanism 5000 on the blade groove of the bit body, and the welding machine 7000 is used for welding the composite sheets on the blade groove of the bit body;
as shown in fig. 3 and 4, the bit body clamping mechanism 2000 includes a first linear sliding table 2100 horizontally disposed on the upper portion of the working table 1000, a bottom plate 2200 is disposed on the first linear sliding table 2100, a low-speed motor 2400 is rotatably disposed on the bottom plate 2200 through a hinge seat 2300, a chuck 2500 is disposed on a spindle 2410 of the low-speed motor 2400, and a chuck adjusting module 2600 for adjusting the height and the inclination angle of the chuck 2500 is disposed on the bottom plate 2200 and below the chuck 2500.
In this embodiment, the bit body is clamped and moved by the bit body clamping mechanism 2000, and the height of the front end of the chuck is adjusted to ensure that the bit body is just positioned at the height of a heating coil of the welding machine 7000 after being clamped on the chuck 2500, and simultaneously the blade grooves on the bit body are positioned at the horizontal position upwards; simultaneously, utilize welding solvent feed mechanism 3000 to accomplish automatic interpolation welding solvent on the blade groove to the bit body, utilize soldering lug feed mechanism 4000 to provide the soldering lug in succession, utilize compound piece feed mechanism 5000 to provide compound piece in succession, utilize automatic extracting mechanism 6000 to place the soldering lug that soldering lug feed mechanism 4000 provided and the compound piece that compound piece feed mechanism 5000 provided on the blade groove of bit body in proper order, utilize welding machine 7000 to accomplish the welding operation to compound piece drill bit at last, whole production process, the automation is high, high production efficiency, compound piece drill bit stable in quality's advantage.
According to an embodiment of the present invention, as shown in fig. 5, the chuck adjusting module 2600 includes a first lead screw 2620 rotatably disposed on the bottom plate 2200 through a shaft seat 2610, an axis of the first lead screw 2620 is parallel to an axis of the hinge seat 2300, one end side of the first lead screw 2620 is provided with a forward thread, the other end side of the first lead screw 2620 is provided with a reverse thread, two end sides of the first lead screw 2620 are respectively connected with a sliding block 2630 engaged therewith, each sliding block 2630 is vertically provided with a supporting plate 2640, an upper end of the supporting plate 2640 is supported at the bottom of the chuck 2500, guiding sliding between the sliding block 2630 and the bottom plate 2200 is achieved by a sliding rail and sliding groove structure 2650, and an outer end of the first lead screw 2620 is provided with a rotating operation module 2660.
In this embodiment, after the chuck adjusting module 2600 adopts the above structure, when the height and the inclination of the front end of the chuck are required to be adjusted, the first linear sliding table 2100 drives the chuck 2500 to move towards the welding machine 7000, so that the chuck 2500 is located beside the welding machine 7000, the relative distance between the two sliding blocks 2630 is adjusted by operating the rotating operation module 2660, and then the distance between the two supporting plates 2640 is changed, and finally the purpose of adjusting the height and the inclination of the front end of the chuck 2500 is achieved, so that the height of the heating coil of the welding machine 7000 is just located after the bit body is clamped on the chuck 2500.
The rotating operation module 2660 employs an operation handwheel, and it is obvious that the rotating operation module 2660 may also employ other types, such as an operation rod, which can also serve the purpose of manually operating the first lead screw.
According to an embodiment of the present invention, as shown in fig. 5, in order to prevent the wear of the chuck surface due to the sliding between the chuck and the support plate when the height of the front end of the chuck is adjusted, a roller 2670 is rotatably provided at the upper end of the support plate 2640, and the roller 2670 is supported at the bottom of the chuck 2500, so that the sliding between the chuck and the support plate can be converted into the rolling between the roller and the chuck, thereby reducing the wear of the chuck and the noise due to the sliding.
According to an embodiment of the present invention, the chuck adjusting module 2600 may also adopt other structures, for example, the chuck adjusting module 2600 comprises an automatic telescopic rod rotatably disposed on the bottom plate 2200, an ear plate is disposed at the bottom of the chuck 2500, and an upper end of the automatic telescopic rod is hinged to a lower end of the ear plate. The automatic telescopic rod adopts an electric telescopic rod, obviously, the automatic telescopic rod can also adopt a pneumatic telescopic rod or a hydraulic telescopic rod, and the same effect can be achieved.
According to an embodiment of the present invention, as shown in fig. 6, the welding solvent feeding mechanism 3000 includes a second linear sliding table 3200 horizontally disposed above the bit body clamping mechanism 2000 through a support frame 3100, the second linear sliding table 3200 is perpendicular to the first linear sliding table 2100, a third linear sliding table 3300 is vertically disposed on the second linear sliding table 3200, and a material injection nozzle 3400 is disposed on the outer side of the lower portion of the third linear sliding table 3300, and the material injection nozzle 3400 is used for injecting a welding solvent into a blade groove of the bit body.
In this embodiment, after the welding solvent feeding mechanism 300 adopts the above structure, the first linear sliding table 2100 drives the bit body clamped on the chuck 2500 to move to a position right below the welding solvent feeding mechanism 3000, the third linear sliding table 3300 drives the injection nozzle 3400 to move downwards to a blade groove of the bit body, and the injection pump is used to inject the welding solvent into the blade groove of the bit body through the injection nozzle 3400.
According to an embodiment of the present invention, as shown in fig. 7, the automatic material taking mechanism 6000 includes a fourth linear sliding table 6100 disposed above the bit body clamping mechanism 2000 along a horizontal direction through a support frame, the fourth linear sliding table 6100 is perpendicular to the first linear sliding table 2100, an automatic telescopic cylinder 6200 is disposed on the fourth linear sliding table 6100 along a vertical direction, a negative pressure suction nozzle 6300 is disposed at a lower portion of a telescopic end of the automatic telescopic cylinder 6200, and the negative pressure suction nozzle 6300 is connected to a negative pressure source through a pipeline.
In this embodiment, after the automatic material taking mechanism 6000 adopts the above structure, the fourth straight line drives the negative pressure suction nozzle 6300 to move to the position right above the soldering lug feeding pipe 4300 of the soldering lug feeding mechanism 4000 or to the side of the composite sheet feeding pipe 5300 of the composite sheet feeding mechanism 5000, and then the automatic telescopic cylinder 6200 drives the negative pressure suction nozzle 6300 to move downward to complete the adsorption feeding of the soldering lug and the composite sheet.
In addition, the negative pressure source adopts a plunger pump, and obviously, the negative pressure source can also adopt a centrifugal pump, and the function of providing negative pressure for the negative pressure suction nozzle 6300 can also be achieved.
In addition, the automatic telescopic cylinder 6200 is a pneumatic telescopic cylinder, and obviously, the automatic telescopic cylinder 6200 may also be of other types, for example, an electric telescopic cylinder or a hydraulic telescopic cylinder may also be used, and the negative pressure suction nozzle 6300 may also be driven to move downward to complete the adsorption and feeding of the soldering lug and the composite sheet.
According to an embodiment of the present invention, as shown in fig. 8 and 9, the tab feeding mechanism 4000 includes a rotating module 4100 disposed on the working table 1000, a bracket 4200 is disposed on the rotating module 4100, a plurality of tab feeding pipes 4300 are uniformly disposed on the bracket 4200 along a circumferential direction around a rotation center of the rotating module 4100, tabs are stacked in the tab feeding pipes 4300, a tab ejecting rod 4400 is disposed at a side of the rotating module 4100, and the tab ejecting rod 4400 is driven by a linear expansion module 4500 to expand and contract up and down for ejecting up tabs 450one by one and resetting down in the tab feeding pipes 4300.
In this embodiment, after the soldering lug feeding mechanism 4000 adopts the above structure, when soldering lug feeding is required, the negative pressure suction nozzle 6300 firstly takes away the soldering lug on the top in the soldering lug feeding pipe 4300 directly above the soldering lug ejecting rod 4400, and then after each soldering lug feeding is completed, the soldering lug ejecting rod 4400 ejects a soldering lug height upwards to ensure that the soldering lug is always on the upper end of the soldering lug feeding pipe 4300 until the soldering lug in the soldering lug feeding pipe 4300 is used up; when the solder pads in the solder pad feed tube 4300 directly above the solder pad ejector 4400 are used up, the rotation module 4100 drives the bracket 4200 to rotate, so that the other solder pad feed tubes with solder pads rotate to the position directly above the solder pad ejector 4400 to continue feeding. The soldering lug feeding mechanism 4000 can realize continuous feeding of soldering lugs, complete soldering lug filling of all soldering lug feeding pipes at one time, and continuously meet the welding requirements of a large number of composite drill bits; meanwhile, the soldering lug feeding mechanism 4000 can refill the soldering lug into the empty soldering lug feeding pipe in a non-stop state, so that the waste caused by frequent stop is avoided.
In addition, the number of the soldering lug supply pipes 4300 is 2, and obviously, in order to increase the supply amount of soldering lugs, more soldering lug supply pipes 4300 may be provided, such as 3, 4, 5, 6, 7, 8, etc., and the number of the soldering lug supply pipes 4300 may be set according to actual needs, for example, according to the number of the soldering lugs required for welding the composite drill bit in one day.
In addition, the linear expansion module 4500 employs a pneumatic expansion cylinder, and obviously, the linear expansion module 4500 is not limited to the pneumatic expansion cylinder, and may also employ other types, such as an electric expansion cylinder, a hydraulic expansion cylinder, or a linear gear box driven by a reduction motor, and can also drive the lug ejecting rod 4400 to move upwards to eject the lug and move downwards to reset.
In addition, the rotating module 4100 employs a rotating cylinder, and it is obvious that the rotating module 4100 is not limited to the rotating cylinder, and other types, such as an electric turntable or a hydraulic turntable, can be employed to achieve the same purpose of rotating the bracket 4200.
According to an embodiment of the present invention, as shown in fig. 10 and 11, the composite sheet feeding mechanism 5000 includes a support table 5100 provided on the work table 1000, a portal frame 5200 is arranged on the support platform 5100, a composite sheet feeding pipe 5300 is vertically arranged on the portal frame 5200, the compound sheets are stacked in the compound sheet feeding pipe 5300, a guide rail 5400 is horizontally arranged on the inner side of the door-shaped frame 5200, a composite sheet pushing plate 5500 matched with the guide rail 5400 is arranged on the guide rail 5400 in a sliding way, a containing groove 5510 matched with the shape of the composite sheet is arranged on the composite sheet pushing plate 5500, the inner cavity of the composite sheet feeding pipe 5300 is communicated with the upper surface of the composite sheet pushing plate 5500 downwards to ensure that the composite sheet at the lowermost end of the inner cavity of the composite sheet feeding pipe 5300 can freely fall on the upper surface of the composite sheet pushing plate 5500, an automatic telescopic module 5600 for automatically pushing and pulling the composite sheet material pushing plate 5500 is arranged on the supporting table 5100.
In this embodiment, after the composite sheet feeding mechanism 5000 adopts the above structure, the fourth linear sliding table 6100 drives the negative pressure suction nozzle 6300 to move to the side of the composite sheet feeding pipe 5300 of the composite sheet feeding mechanism 5000, the composite sheet pushing plate 5500 carries the composite sheet falling into the holding tank 5510 to extend outward so that the composite sheet in the holding tank 5510 is located right below the negative pressure suction nozzle 6300, the automatic telescopic cylinder 6200 extends downward so that the negative pressure suction nozzle 6300 adsorbs the composite sheet, and then the fourth linear sliding table 6100 drives the negative pressure suction nozzle 6300 adsorbing the composite sheet to move to the upper side of the blade groove of the bit body and place the composite sheet above the soldering lug filled with the welding solvent; after the material loading of compound piece once of every completion, compound piece scraping wings 5500 make holding tank 5510 reply to under compound piece feed pipe 5300 under the drive of automatic flexible module 5600, and then make compound piece that compound piece feed pipe 5300 bottommost fall into holding tank 5510, supply the material loading of compound piece next time. This compound piece feed mechanism 5000 can realize the feed of compound piece in succession, need not the manual work and places compound piece one by one and carry at the drill bit, has improved work efficiency greatly.
In addition, the automatic telescopic module 5600 adopts a pneumatic telescopic cylinder, the automatic telescopic module 5600 functions to drive the composite sheet pusher plate to realize reciprocating motion, and further realize continuous provision of the composite sheet, and obviously, the automatic telescopic module 5600 is not limited to adopt a pneumatic telescopic cylinder, and can also adopt an electric telescopic cylinder or a hydraulic telescopic cylinder, and the above effects can be achieved as well.
According to an embodiment of the invention, as shown in fig. 10, in order to adjust the height of the support table 5100 conveniently, so that the upper surface of the composite sheet pushing plate 5500 and the upper end surface of the welding sheet feeding pipe are on the same horizontal plane, so that the negative pressure suction nozzle 6300 feeds welding sheets and composite sheets at the same height, respectively, the support table 5100 is arranged on the workbench 1000 through a lifting adjusting module, the lifting adjusting module comprises a guide post 5120 slidably arranged on the support table 5100 through a guide sleeve 5110, the lower end of the guide post 5120 is arranged on the workbench 1000, the upper end of the guide post 5120 is provided with a transverse plate 5130, a second lead screw 5140 is rotatably arranged on the transverse plate 5130 through a bearing, an internal thread sleeve 5150 matched with the second lead screw 5140 is fixedly arranged on the support table 5100, and a rotary handle 5160 is arranged at the upper end of the second lead screw 5140; in this way, the second lead screw 5140 is driven to rotate by operating the rotary handle 5160, and then the supporting platform 5100 is driven to rise or fall along the vertical direction by the internal thread sleeve 5150, so that the height of the supporting platform 5100 can be conveniently adjusted.
According to an embodiment of the present invention, there is also provided an automatic welding method of a composite sheet drill bit, including the steps of:
s1, adjusting the height and inclination of the front end of the chuck 2500: the first linear sliding table 2100 drives the chuck 2500 to move towards the welding machine 7000, so that the chuck 2500 is located beside the welding machine 7000, the relative distance between the two sliding blocks 2630 is adjusted by operating the rotary operation module 2660, and then the distance between the two supporting plates 2640 is driven to change, and finally the purpose of adjusting the height and the inclination angle of the front end of the chuck 2500 is achieved, so that the bit body is exactly located at the height of a heating coil of the welding machine 7000 after being clamped on the chuck 2500, and the blade grooves of the bit body with different models and specifications can be guaranteed to be located at the horizontal position, and the welding liquid is prevented from flowing outwards
The purpose of the height is to allow the bit body to be clamped to the chuck 2500 just above the level of the heater coils of the welder 7000;
s2, clamping the bit body: the first linear sliding table 2100 drives the chuck 2500 to move outwards, so that the chuck 2500 is far away from the welding solvent feeding mechanism 3000 and is set as an initial position, the low-speed motor 2400 is started to enable the clamping jaws of the chuck 2500 to be loosened, and after the bit body is installed and clamped on the clamping jaws, the low-speed motor 2400 is started to drive the bit body to rotate until one blade groove of the bit body faces upwards and is in a horizontal position;
s3, filling the welding solvent for the first time: the first linear sliding table 2100 drives the bit body clamped on the chuck 2500 to move to a position right below the welding solvent feeding mechanism 3000, and welding solvent is filled into a blade groove of the bit body by using the welding solvent feeding mechanism 3000;
s4, carrying out soldering lug feeding: after the filling of the welding solvent is completed, the first linear sliding table 2100 continues to drive the bit body clamped on the chuck 2500 to move to the position below the automatic material taking mechanism 6000, the fourth linear sliding table 6100 drives the negative pressure suction nozzle 6300 to move to the position right above the welding sheet feeding pipe 4300 of the welding sheet feeding mechanism 4000, the automatic telescopic cylinder 6200 extends downwards to enable the negative pressure suction nozzle 6300 to adsorb the welding sheet, and then the fourth linear sliding table 6100 drives the negative pressure suction nozzle 6300 adsorbed with the welding sheet to move to the position above the blade groove of the bit body and place the welding sheet at the first filling position of the welding solvent on the blade groove of the bit body; after each solder piece feeding is completed, the solder piece ejecting rod 4400 ejects a solder piece height upwards to ensure that the solder pieces are always arranged at the upper end of the solder piece feeding pipe 4300; when the solder pads in the solder pad feeding pipe 4300 located right above the solder pad ejector 4400 are used up, the rotating module 4100 drives the bracket 4200 to rotate, so that the other solder pad feeding pipes with solder pads rotate to the position right above the solder pad ejector 4400 to continue feeding;
s5, refilling the welding solvent: after the feeding of the soldering lug is completed, the first linear sliding table 2100 drives the drill bit body to move outwards to a position right below the welding solvent feeding mechanism 3000, and the welding solvent is filled into the soldering lug on the blade groove of the drill bit body by using the welding solvent feeding mechanism 3000;
s6, feeding of the composite sheet: the first linear sliding table 2100 drives the bit body to move to the position below the automatic material taking mechanism 6000, the fourth linear sliding table drives the negative pressure suction nozzle 6300 to move to the position beside a composite sheet feeding pipe 5300 of the composite sheet feeding mechanism 5000, the composite sheet pushing plate 5500 carries a composite sheet falling into the accommodating groove 5510 and extends outwards so that the composite sheet in the accommodating groove 5510 is located right below the negative pressure suction nozzle 6300, the automatic telescopic cylinder 6200 extends downwards so that the negative pressure suction nozzle 6300 adsorbs the composite sheet, then the fourth linear sliding table 6100 drives the negative pressure suction nozzle 6300 adsorbed with the composite sheet to move to the position above a blade groove of the bit body, and the composite sheet is placed above a welding sheet filled with a welding solvent; after each feeding of the composite sheet is completed, the composite sheet pushing plate 5500 is driven by the automatic telescopic module 5600 to return the accommodating groove 5510 to a position right below the composite sheet feeding pipe 5300, so that the composite sheet at the lowermost end of the composite sheet feeding pipe 5300 falls into the accommodating groove 5510 for feeding of the next composite sheet;
s7, welding the composite sheet drill bit: after the feeding of the composite sheet is completed, the first linear sliding table 2100 drives the bit body to move towards the welding machine 7000 until the bit body is just positioned in a heating coil of the welding machine 7000, and the welding machine 7000 is started to complete the welding of the bit body and the composite sheet; after the welding of one composite sheet bit is completed, step S2 is performed to weld the next composite sheet bit.
The invention utilizes the bit body clamping mechanism to clamp and move the bit body, and simultaneously realizes the adjustment of the height of the front end of the chuck so as to ensure that the bit body is just positioned at the height of a heating coil of a welding machine after being clamped on the chuck; simultaneously, utilize welding solvent feed mechanism to accomplish automatic interpolation welding solvent on the blade groove to the bit body, utilize soldering lug feeding mechanism to provide the soldering lug in succession, utilize compound piece feeding mechanism to provide compound piece in succession, utilize automatic extracting mechanism to place the soldering lug that soldering lug feeding mechanism provided and the compound piece that compound piece feeding mechanism provided on the blade groove of bit body in proper order, utilize the welding machine to accomplish the welding operation to compound piece drill bit at last, whole production process, the automation degree is high, high production efficiency, compound piece drill bit stable in quality's advantage.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a compound piece drill bit automatic weld equipment, includes the workstation, its characterized in that: the workbench is provided with a bit body clamping mechanism, a welding solvent feeding mechanism, a soldering lug feeding mechanism, a composite sheet feeding mechanism, an automatic material taking mechanism and a welding machine, wherein the automatic material taking mechanism is positioned between the welding solvent feeding mechanism and the welding machine, and the soldering lug feeding mechanism and the composite sheet feeding mechanism are both positioned between the automatic material taking mechanism and the welding machine;
the automatic material taking mechanism is used for sequentially placing a soldering lug provided by the soldering lug feeding mechanism and a composite sheet provided by the composite sheet feeding mechanism on the blade groove of the bit body, and the welding machine is used for welding the composite sheet on the blade groove of the bit body;
drill bit body fixture includes that the level sets up the first linear sliding table on workstation upper portion, set up the bottom plate on the first linear sliding table, it is provided with the low-speed motor to rotate through articulated seat on the bottom plate, be provided with the chuck on the main shaft of low-speed motor, just be located on the bottom plate the below position of chuck sets up and is used for the adjustment the chuck adjusting module at the height and the inclination of chuck.
2. The automatic welding apparatus for a composite sheet drill bit of claim 1, wherein: the chuck adjusting module comprises a first lead screw arranged on the bottom plate in a rotating mode through a shaft seat, the axis of the first lead screw is parallel to the axis of the hinged seat, a forward thread is arranged on one end side of the first lead screw, a reverse thread is arranged on the other end side of the first lead screw, two end sides of the first lead screw are respectively connected with a sliding block matched with the sliding block, a supporting plate is vertically arranged on each sliding block, the upper end portion of each supporting plate is supported at the bottom of the chuck, the sliding block and the guide sliding between the bottom plates are achieved through a sliding rail sliding groove structure, and the outer end portion of the first lead screw is provided with a rotating operation module.
3. The automatic welding apparatus for a composite sheet drill bit of claim 2, wherein: the upper end of the supporting plate is rotatably provided with a roller which is supported at the bottom of the chuck.
4. The automatic welding apparatus for a composite sheet drill bit of claim 1, wherein: the chuck adjusting module is in including rotating the setting automatic telescopic link on the bottom plate, the bottom of chuck sets up the otic placode, the upper end of automatic telescopic link articulates the lower tip of otic placode.
5. The automatic welding apparatus for a composite sheet drill bit of claim 1, wherein: welding solvent feed mechanism includes and sets up along the horizontal direction through the support frame the second sharp slip table of drill bit body fixture top, the second sharp slip table with first sharp slip table is mutually perpendicular, set up third sharp slip table along vertical direction on the second sharp slip table, third sharp slip table lower part outside sets up the notes material mouth, the notes material mouth is used for pouring into welding solvent into on the blade groove of drill bit body.
6. The automatic welding apparatus for a composite sheet drill bit of claim 1, wherein: the automatic material taking mechanism comprises a fourth linear sliding table arranged above the drill bit body clamping mechanism along the horizontal direction through a support frame, the fourth linear sliding table is perpendicular to the first linear sliding table, an automatic telescopic cylinder is vertically arranged on the fourth linear sliding table, a negative pressure suction nozzle is arranged on the lower portion of a telescopic end of the automatic telescopic cylinder, and the negative pressure suction nozzle is connected with a negative pressure source through a pipeline.
7. The automatic welding apparatus for a composite sheet drill bit of claim 1, wherein: soldering lug feed mechanism is including setting up rotating module on the workstation, the last bracket that sets up of rotating module, use on the bracket rotatory module's rotation center is the axis and evenly sets up a plurality of soldering lug feed pipes along circumference, the soldering lug has been stacked in the soldering lug feed pipe, is located rotating module's side sets up soldering lug ejecting rod, soldering lug ejecting rod is flexible from top to bottom by the flexible module drive of straight line realization, is used for upwards will soldering lug in the soldering lug feed pipe is ejecting and resetting downwards one by one.
8. The automatic welding apparatus for a composite sheet drill bit of claim 1, wherein: compound piece feed mechanism is including setting up brace table on the workstation, set up a type frame on the brace table, the vertical compound piece feed pipe that sets up along on the type frame of door, compound piece has been stacked in the compound piece feed pipe, the inboard level of door type frame sets up the guide rail, slide on the guide rail and set up rather than the compound piece scraping wings of matched with, set up the holding tank with compound piece shape looks adaptation on the compound piece scraping wings, the inner chamber of compound piece feed pipe downwards with the upper surface of compound piece scraping wings is linked together and is located in order to guarantee compound piece of the inner chamber of compound piece feed pipe bottom can freely fall the upper surface of compound piece scraping wings, set up on the brace table and be used for automatic push-and-pull the automatic flexible module of compound piece scraping wings.
9. The automated compact bit welding apparatus of claim 8, wherein: the supporting table is arranged on the workbench through a lifting adjusting module, the lifting adjusting module comprises a guide post arranged on the supporting table in a sliding mode through a guide sleeve, the lower end of the guide post is arranged on the workbench, a transverse plate is arranged at the upper end of the guide post, a second lead screw is arranged on the transverse plate in a rotating mode through a bearing, an internal thread sleeve matched with the second lead screw is fixedly arranged on the supporting table, and a rotating handle is arranged at the upper end of the second lead screw.
10. An automatic welding method for a composite sheet drill bit is characterized by comprising the following steps:
s1, adjusting the height and the inclination angle of the front end of the chuck: the first linear sliding table drives the chuck to move towards the welding machine, so that the chuck is positioned beside the welding machine, the relative distance between the two sliding blocks is adjusted by operating the rotary operation module, the distance between the two supporting plates is further driven to change, and finally the purpose of adjusting the height and the inclination angle of the front end of the chuck is achieved, so that the bit body is clamped on the chuck and then is just positioned at the height of a heating coil of the welding machine, and blade grooves of the bit bodies with different models and specifications can be ensured to be positioned at the horizontal position, so that welding liquid is prevented from flowing outwards;
s2, clamping the bit body: the first linear sliding table drives the chuck to move outwards, so that the chuck is far away from the welding solvent feeding mechanism and is set as an initial position, the low-speed motor is started to loosen a clamping jaw of the chuck, and after the drill bit body is installed and clamped on the clamping jaw, the low-speed motor is started to drive the drill bit body to rotate until one blade groove of the drill bit body faces upwards and is in a horizontal position;
s3, filling the welding solvent for the first time: the first linear sliding table drives the drill bit body clamped on the chuck to move to a position right below the welding solvent feeding mechanism, and the welding solvent is filled into a blade groove of the drill bit body by the welding solvent feeding mechanism;
s4, carrying out soldering lug feeding: after filling of the welding solvent is completed, the first linear sliding table continues to drive the drill bit body clamped on the chuck to move to the position below the automatic material taking mechanism, the fourth linear sliding table drives the negative pressure suction nozzle to move to the position right above a welding piece feeding pipe of the welding piece feeding mechanism, the automatic telescopic cylinder extends downwards to enable the negative pressure suction nozzle to adsorb the welding piece, and then the fourth linear sliding table drives the negative pressure suction nozzle adsorbed with the welding piece to move to the position above a blade groove of the drill bit body and places the welding piece at the position, where the welding solvent is filled for the first time, on the blade groove of the drill bit body; after the soldering lug feeding is completed every time, the soldering lug ejecting rod ejects a soldering lug upwards by a height so as to ensure that the soldering lug is always arranged at the upper end of the soldering lug feeding pipe until the soldering lug in the soldering lug feeding pipe is used up; when the soldering lug in the soldering lug feeding pipe positioned right above the soldering lug ejecting rod is used up, the rotating module drives the bracket to rotate, so that other soldering lug feeding pipes provided with the soldering lugs rotate to the position right above the soldering lug ejecting rod to continue feeding;
s5, refilling the welding solvent: after the welding lug is fed, the first linear sliding table drives the drill bit body to move outwards to a position right below the welding solvent feeding mechanism, and the welding solvent is filled into the welding lug on the blade groove of the drill bit body by using the welding solvent feeding mechanism;
s6, feeding of the composite sheet: the first linear sliding table drives the bit body to move to the position below the automatic material taking mechanism, the fourth linear sliding table drives the negative pressure suction nozzle to move to the side of a composite sheet feeding pipe of the composite sheet feeding mechanism, a composite sheet pushing plate carries a composite sheet falling into the containing groove and extends outwards to enable the composite sheet in the containing groove to be located under the negative pressure suction nozzle, the automatic telescopic cylinder extends downwards to enable the negative pressure suction nozzle to adsorb the composite sheet, then the fourth linear sliding table drives the negative pressure suction nozzle adsorbing the composite sheet to move to the position above a blade groove of the bit body, and the composite sheet is placed above a welding sheet filled with a welding solvent; after the feeding of the composite sheet is finished once, the composite sheet pushing plate enables the accommodating groove to return to the position under the composite sheet feeding pipe under the driving of the automatic telescopic module, so that the composite sheet at the lowest end of the composite sheet feeding pipe falls into the accommodating groove for feeding of the next composite sheet;
s7, welding the composite sheet drill bit: after the feeding of the composite sheet is completed, the first linear sliding table drives the bit body to move towards the welding machine until the bit body is just positioned in a heating coil of the welding machine, and the welding machine is started to complete the welding of the bit body and the composite sheet; after the welding of one composite sheet bit is completed, step S2 is performed to weld the next composite sheet bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536440.4A CN111604626A (en) | 2020-06-12 | 2020-06-12 | Automatic welding equipment and welding method for composite sheet drill bit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536440.4A CN111604626A (en) | 2020-06-12 | 2020-06-12 | Automatic welding equipment and welding method for composite sheet drill bit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142305A (en) * | 2020-09-29 | 2020-12-29 | 吴静立 | Cage nail automatic welder |
| CN114952066A (en) * | 2022-08-02 | 2022-08-30 | 中铁十八局集团泵业有限公司 | A equipment for fan processing |
| CN116475665A (en) * | 2023-04-27 | 2023-07-25 | 南京中荷寰宇环境科技有限公司 | Flaw detection structure, drill bit welding equipment special for drilling machine and welding method |
-
2020
- 2020-06-12 CN CN202010536440.4A patent/CN111604626A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142305A (en) * | 2020-09-29 | 2020-12-29 | 吴静立 | Cage nail automatic welder |
| CN112142305B (en) * | 2020-09-29 | 2023-06-27 | 吴静立 | Automatic welding device for cage nails |
| CN114952066A (en) * | 2022-08-02 | 2022-08-30 | 中铁十八局集团泵业有限公司 | A equipment for fan processing |
| CN114952066B (en) * | 2022-08-02 | 2022-10-28 | 中铁十八局集团泵业有限公司 | A equipment for fan processing |
| CN116475665A (en) * | 2023-04-27 | 2023-07-25 | 南京中荷寰宇环境科技有限公司 | Flaw detection structure, drill bit welding equipment special for drilling machine and welding method |
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