CN111604626A - A kind of composite sheet drill automatic welding equipment and welding method - Google Patents

Abstract

The invention discloses an automatic welding device and a welding method for a composite drill bit, wherein the automatic welding device for a composite drill bit comprises a worktable, and a drill body clamping mechanism, a welding solvent feeding mechanism, a welding chip feeding mechanism, a drill body clamping mechanism, a welding solvent feeding mechanism, a welding chip feeding mechanism, The composite sheet feeding mechanism, the automatic reclaiming mechanism and the welding machine. The automatic feeding mechanism is located between the welding solvent feeding mechanism and the welding machine. The solder feeding mechanism and the composite sheet feeding mechanism are located between the automatic feeding mechanism and the welding machine. The clamping mechanism of the drill bit body includes a first linear sliding table, a bottom plate is arranged on the first linear sliding table, a low-speed motor is rotated on the bottom plate through a hinge seat, a chuck is arranged on the main shaft of the low-speed motor, and a bottom plate is arranged on the bottom plate. And a chuck adjusting module is arranged at the lower position of the chuck. The invention can automatically complete the feeding of the welding solvent, the welding piece and the composite piece, and at the same time, can automatically complete the welding of the composite piece drill bit, and has the advantages of high automation degree, high production efficiency and stable quality of the composite piece drill bit.

Description

A kind of composite sheet drill automatic welding equipment and welding method

technical field

The invention relates to the technical field of composite drill bit welding, in particular to an automatic welding device and a welding method for a composite drill bit.

Background technique

The composite drill bit has the characteristics of excellent wear resistance, high drilling efficiency and long service life. Therefore, it is widely used in coal field, oil drilling, geological exploration, water conservancy and hydropower, railway and highway, tunnel construction and other industries.

However, at present, in the process of welding the composite chip drill, the welding method is usually carried out manually, that is, the welding chip and the composite chip are manually placed on the blade groove of the drill body, and finally welded. This production method is very difficult for the operator. The skill requirements are very high, and the production efficiency is extremely low. At the same time, it is easily affected by the operator, and the quality stability is not good.

Therefore, there is a need to provide a new device for automatic welding of compact drill bits.

SUMMARY OF THE INVENTION

In view of this, the present invention provides an automatic welding equipment and a welding method for a composite drill bit, which can automatically complete the feeding of the welding solvent, the welding chip and the composite chip, and at the same time can automatically complete the welding of the composite chip drill. The advantages of high efficiency and stable quality of the composite drill bit.

In order to achieve the above purpose, the present invention provides an automatic welding equipment for a composite chip drill, including a workbench, on which a drill body clamping mechanism, a welding solvent feeding mechanism, a welding chip feeding mechanism, and a composite chip feeding mechanism are arranged. , automatic reclaiming mechanism and welding machine, the automatic reclaiming mechanism is located between the welding solvent feeding mechanism and the welding machine, and the soldering sheet feeding mechanism and the composite sheet feeding mechanism are located at the same place. between the automatic reclaiming mechanism and the welding machine;

The drill body clamping mechanism is used to clamp and move the drill body, the welding solvent feeding mechanism is used to add welding solvent to the blade groove of the drill body, and the welding chip feeding mechanism is used to continuously provide welding. The composite sheet feeding mechanism is used to continuously provide composite sheets, and the automatic reclaiming mechanism is used to sequentially place the solder sheets provided by the solder sheet feeding mechanism and the composite sheets provided by the composite sheet feeding mechanism On the blade groove of the drill bit body, the welding machine is used for welding the composite sheet on the blade groove of the drill bit body;

The bit body clamping mechanism includes a first linear sliding table horizontally arranged on the upper part of the worktable, a bottom plate is arranged on the first linear sliding table, and a low-speed motor is rotated on the bottom plate through a hinge seat, so the A chuck is arranged on the main shaft of the low-speed motor, and a chuck adjustment module for adjusting the height and inclination of the chuck is arranged on the bottom plate and at a position below the chuck.

Further, the chuck adjustment module includes a first lead screw that is rotatably arranged on the bottom plate through a shaft seat, the axis of the first lead screw is parallel to the axis of the hinge seat, and the first lead screw One end side of the first lead screw is provided with a forward thread, the other end side of the first lead screw is provided with a reverse thread, and the two ends of the first lead screw are respectively connected with a sliding block matched with it, and each sliding block is provided with a sliding block. A support plate is arranged vertically, the upper end of the support plate is supported on the bottom of the chuck, the guide sliding between the slider and the bottom plate is realized by the sliding rail slot structure, the first lead screw A rotary operation module is set at the outer end of the .

Further, the rotation operation module adopts an operation lever, or adopts an operation hand wheel.

Further, the upper end of the support plate is rotatably provided with a roller, and the roller is supported on the bottom of the chuck.

Alternatively, the chuck adjusting module includes an automatic telescopic rod rotatably disposed on the bottom plate, an ear plate is provided at the bottom of the chuck, and the upper end of the automatic telescopic rod is hinged to the lower end of the ear plate.

Further, the automatic telescopic rod adopts an electric telescopic rod, or a pneumatic telescopic rod, or a hydraulic telescopic rod.

Further, the welding solvent feeding mechanism includes a second linear sliding table horizontally disposed above the drill bit body clamping mechanism through a support frame, and the second linear sliding table is connected to the first linear sliding table. Vertically, a third linear sliding table is arranged on the second linear sliding table along the vertical direction, and an injection nozzle is arranged on the outer side of the lower part of the third linear sliding table, and the injection nozzle is used for injecting welding solvent into the drill bit body on the blade slot.

Further, the automatic reclaiming mechanism includes a fourth linear sliding table horizontally disposed above the drill body clamping mechanism through a support frame, and the fourth linear sliding table is in phase with the first linear sliding table. Vertically, an automatic telescopic cylinder is vertically arranged on the fourth linear sliding table, and a negative pressure suction nozzle is arranged at the lower part of the telescopic end of the automatic telescopic cylinder, and the negative pressure suction nozzle is connected to a negative pressure source through a pipeline.

Further, the negative pressure source adopts a plunger pump or a centrifugal pump.

Further, the automatic telescopic cylinder adopts a pneumatic telescopic cylinder, an electric telescopic cylinder, or a hydraulic telescopic cylinder.

Further, the solder chip feeding mechanism includes a rotation module arranged on the worktable, a bracket is arranged on the rotation module, and the bracket takes the rotation center of the rotation module as the axis and along the circumferential direction. A plurality of solder tab feeding tubes are evenly arranged, and solder tabs are stacked in the solder tab feeding tubes, and a solder tab ejector rod is arranged on the side of the rotating module, and the solder tab ejector rod is driven by the linear telescopic module Up and down expansion and contraction is realized, which is used to push out the solder pieces in the solder piece supply pipe one by one upwards and reset them downwards.

Further, the number of the solder tab feeding tubes is 1-8.

Further, the linear telescopic module adopts a pneumatic telescopic cylinder, or an electric telescopic cylinder, or a hydraulic telescopic cylinder, or a linear gearbox driven by a reduction motor.

Further, the rotary module adopts a rotary cylinder, or an electric rotary table, or a hydraulic rotary table.

Further, the composite sheet feeding mechanism includes a support table arranged on the work table, a portal frame is arranged on the support table, and a composite sheet feeding pipe is vertically arranged on the portal frame, and the Composite sheets are stacked in the composite sheet feeding tube, and guide rails are horizontally arranged on the inner side of the portal frame. An accommodating groove with an adapted shape, the inner cavity of the composite sheet feeding tube is communicated downward with the upper surface of the composite sheet ejecting plate to ensure that the composite sheet feeding tube is located at the lowermost end of the inner cavity of the composite sheet feeding tube. The sheet can freely fall on the upper surface of the composite sheet pusher, and an automatic telescopic module for automatically pushing and pulling the composite sheet pusher is arranged on the support table.

Further, the automatic telescopic module adopts a pneumatic telescopic cylinder, an electric telescopic cylinder, or a hydraulic telescopic cylinder.

Further, the support table is arranged on the worktable through a lift adjustment module, and the lift adjustment module includes a guide column slidably arranged on the support table through a guide sleeve, and the lower end of the guide column is arranged on the support table. On the workbench, a horizontal plate is arranged on the upper end of the guide column, a second lead screw is rotated on the horizontal plate through a bearing, and an internal thread sleeve matched with the second lead screw is fixedly arranged on the support platform, so the The upper end of the second lead screw is provided with a rotating handle.

In addition, the present invention also provides an automatic welding method for a composite drill bit, comprising the following steps:

S1. Adjust the height and inclination of the front end of the chuck: the first linear slide drives the chuck to move toward the welding machine, so that the chuck is located beside the welding machine, and the relative distance between the two sliders is adjusted by operating the rotating operation module, and then Drive the change of the distance between the two support plates, and finally adjust the height and inclination of the front end of the chuck, so that the drill body is just at the height of the heating coil of the welding machine after being clamped on the chuck, and ensure the The blade grooves of the drill bit bodies of different types and specifications can be in a horizontal position to avoid the outflow of welding liquid;

S2. Clamp the drill body: the first linear slide drives the chuck to move to the outside, so that the chuck is far away from the welding solvent feeding mechanism and set the position as the initial position, start the low-speed motor to make the jaws of the chuck move Loosen, after installing and clamping the drill body on the jaws, start the low-speed motor to drive the drill body to rotate until one of the blade grooves of the drill 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 body clamped on the chuck to move to the position directly below the welding solvent feeding mechanism, and uses the welding solvent feeding mechanism to feed the blade groove of the drill bit body. Add welding solvent;

S4. Loading the soldering pieces: After the filling of the welding solvent is completed, the first linear slide continues to drive the drill body clamped on the chuck to move below the automatic reclaiming mechanism, and the fourth linear slide drives the negative The pressure suction nozzle moves to the top of the welding chip feeding tube of the welding chip feeding mechanism, and the automatic telescopic cylinder extends downwards so that the negative pressure suction nozzle absorbs the welding chip, and then the fourth linear slide drives the The negative pressure suction nozzle is moved to the top of the insert groove of the drill body, and the soldering piece is placed on the insert groove of the drill body where the welding solvent is filled for the first time; after each welding piece is loaded, the solder piece ejector rod is pushed upward A height of solder tabs is set to ensure that there are solder tabs on the upper end of the solder tab feed tube until the solder tabs in the solder tab feed tube are used up; when the solder tabs in the solder tab feed tube directly above the After use, the rotating module drives the bracket to rotate, so that the other soldering piece feeding tubes with soldering pieces are rotated to the top of the soldering piece ejector rod to continue feeding;

S5. Refilling the welding solvent: After the welding sheet is loaded, the first linear slide drives the drill body to move outwards to just below the welding solvent feeding mechanism, and uses the welding solvent feeding mechanism to feed the drill bit body. Add welding solvent to the welding piece on the blade groove;

S6. Load the composite sheet: the first linear slide drives the drill body to move below the automatic reclaiming mechanism, and the fourth straight line drives the negative pressure suction nozzle to move to the side of the composite sheet feeding tube of the composite sheet feeding mechanism. The composite sheet ejector plate carries the composite sheet that falls into the accommodating groove and protrudes outward so that the composite sheet in the accommodating groove is located directly under the negative pressure suction nozzle, and the automatic telescopic cylinder extends downwards so that the negative pressure suction nozzle pushes the composite sheet. Adsorbed, then the fourth linear slide drives the negative pressure suction nozzle with the composite sheet to move to the top of the blade groove of the drill body, and places the composite sheet on the top of the welding sheet filled with welding solvent; each time the composite sheet is completed After the material is loaded, the composite sheet pusher plate is driven by the automatic telescopic module to make the accommodating groove return to the right under the composite sheet feeding pipe, so that the composite sheet at the lower end of the composite sheet feeding pipe falls into the accommodating groove for supply. The next feeding of the composite sheet;

S7. Welding of the composite sheet drill: After the loading of the composite sheet is completed, the first linear slide drives the drill bit body to move to the welding machine until the drill bit body is just located in the heating coil of the welding machine and stops, and the welding machine is turned on to complete the alignment of the drill bit. Welding of the body and the composite sheet; after completing the welding of one piece of the composite sheet bit, step S2 is performed to weld the next piece of the composite sheet bit.

The beneficial effects of the above-mentioned technical solutions of the present invention are as follows: the present invention is directed to the prior art, in the process of welding the composite sheet drill, the manual welding method is usually adopted, that is, the welding sheet and the composite sheet are manually placed on the drill bit body. Finally, welding is carried out on the blade groove of the blade. This production method requires high skills of the operator, and the production efficiency is extremely low. At the same time, it is easily affected by the operator and has problems of poor quality stability. Provided is an automatic welding device for a composite sheet drill, including a workbench, on which a drill body clamping mechanism, a welding solvent feeding mechanism, a welding sheet feeding mechanism, a composite sheet feeding mechanism, an automatic reclaiming mechanism and a welding mechanism are provided. The automatic reclaiming mechanism is located between the welding solvent feeding mechanism and the welding machine, and the soldering sheet feeding mechanism and the composite sheet feeding mechanism are both located between the automatic reclaiming mechanism and the between the welding machines; wherein, the drill body clamping mechanism is used to clamp and move the drill body, the welding solvent feeding mechanism is used to add welding solvent to the blade groove of the drill body, and the welding piece The feeding mechanism is used to continuously provide solder pieces, the composite piece feeding mechanism is used to continuously provide composite pieces, and the automatic reclaiming mechanism is used to supply the solder pieces and the composite pieces provided by the solder piece feeding mechanism. The composite sheets provided by the feeding mechanism are sequentially placed on the blade grooves of the drill body, and the welding machine is used to weld the composite sheets on the blade grooves of the drill body; wherein, the drill body clamping mechanism comprises a The first linear sliding table on the upper part of the table, a bottom plate is arranged on the first linear sliding table, a low-speed motor is arranged on the bottom plate to rotate through a hinge seat, a chuck is arranged on the main shaft of the low-speed motor, and the bottom plate is arranged A chuck adjusting module for adjusting the height of the chuck is arranged on the upper and lower positions of the chuck.

The present invention utilizes the drill body clamping mechanism to clamp and move the drill body, and at the same time adjust the height of the front end of the chuck to ensure that the drill body is just at the height of the heating coil of the welding machine after being clamped on the chuck; at the same time, The welding solvent feeding mechanism is used to automatically add welding solvent to the blade groove of the drill body. The welding sheet provided by the feeding mechanism and the composite sheet provided by the composite sheet feeding mechanism are placed on the blade groove of the drill body in turn, and finally the welding machine is used to complete the welding operation of the composite sheet drill. The whole production process has a high degree of automation and high production efficiency. The advantages of high and stable quality of composite drill bits.

Description of drawings

FIG. 1 is a schematic front view of the structure of an automatic welding equipment for a composite drill bit according to the present invention;

FIG. 2 is a schematic perspective view of the structure of an automatic welding equipment for a composite drill bit according to the present invention;

3 is a schematic front view of the structure of the drill bit body clamping mechanism in the present invention;

Fig. 4 is the structural perspective view of the drill bit body clamping mechanism in the present invention;

FIG. 5 is a schematic perspective view of the structure of the chuck adjustment module in the present invention;

Fig. 6 is the structural perspective view of the welding solvent feeding mechanism in the present invention;

Fig. 7 is the structural perspective view of the automatic reclaiming mechanism in the present invention;

8 is a schematic front view of the structure of the solder chip feeding mechanism in the present invention;

FIG. 9 is a schematic perspective view of the structure of the solder chip feeding mechanism in the present invention;

Figure 10 is a schematic perspective view of the structure of the composite sheet feeding mechanism in the present invention;

Figure 11 is a schematic perspective view of the structure of the composite sheet ejector plate in the present invention;

Reference number:

Workbench 1000; drill body clamping mechanism 2000; welding solvent feeding mechanism 3000; solder chip feeding mechanism 4000; composite chip feeding mechanism 5000; automatic reclaiming mechanism 6000;

The first linear slide table 2100; the bottom plate 2200; the hinge seat 2300; the low-speed motor 2400; the chuck 2500; the chuck adjustment module 2600; Slot structure 2650; Rotary operation module 2660; Roller 2670;

Support frame 3100; second linear slide 3200; third linear slide 3300; injection nozzle 3400;

Rotation module 4100; Bracket 4200; Solder tab feeding tube 4300; Solder tab ejector rod 4400; Linear telescopic module 4500;

Support table 5100; guide sleeve 5110; guide column 5120; horizontal plate 5130; second lead screw 5140; internal thread sleeve 5150; rotary handle 5160; Plate 5500; Automatic telescopic module 5600;

The fourth linear slide table 6100; the automatic telescopic cylinder 6200; the negative pressure suction nozzle 6300.

Detailed ways

To make the purposes, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions of the embodiments of the present invention with reference to the accompanying drawings 1-11 of the embodiments of the present invention. Obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of the present invention.

As shown in Figure 1-11: an automatic welding equipment for a composite chip drill, including a workbench, on which is provided a drill body clamping mechanism, a welding solvent feeding mechanism, a welding chip feeding mechanism, and a composite chip feeding mechanism , automatic reclaiming mechanism and welding machine, the automatic reclaiming mechanism is located between the welding solvent feeding mechanism and the welding machine, and the soldering sheet feeding mechanism and the composite sheet feeding mechanism are located at the same place. between the automatic reclaiming mechanism and the welding machine.

Specifically, as shown in FIG. 1 and FIG. 2 , an automatic welding equipment for a composite drill bit includes a workbench 1000 on which a drill body clamping mechanism 2000 , a welding solvent feeding mechanism 3000 , and a welding piece are arranged. A feeding mechanism 4000, a composite sheet feeding mechanism 5000, an automatic reclaiming mechanism 6000, and a welding machine 7000, the automatic reclaiming mechanism 6000 is located between the welding solvent feeding mechanism 3000 and the welding machine 7000, and the welding Both the sheet feeding mechanism 4000 and the composite sheet feeding mechanism 5000 are located between the automatic reclaiming mechanism 6000 and the welding machine 7000;

The drill body clamping mechanism 2000 is used to clamp and move the drill body, the welding solvent feeding mechanism 3000 is used to add welding solvent to the blade groove of the drill body, and the solder chip feeding mechanism 4000 It is used to continuously provide solder pieces, the composite piece feeding mechanism 5000 is used to continuously provide composite pieces, and the automatic reclaiming mechanism 6000 is used to supply the solder pieces and the composite pieces provided by the solder piece feeding mechanism 4000. The composite sheets provided by the feeding mechanism 5000 are sequentially placed on the blade grooves of the drill bit body, and the welding machine 7000 is used to weld the composite sheets on the blade grooves of the drill bit body;

Wherein, as shown in FIG. 3 and FIG. 4 , the bit body clamping mechanism 2000 includes a first linear slide table 2100 horizontally arranged on the upper part of the worktable 1000 , and a bottom plate is set on the first linear slide table 2100 2200, a low-speed motor 2400 is provided on the bottom plate 2200 through the rotation of the hinge seat 2300, and a chuck 2500 is provided on the main shaft 2410 of the low-speed motor 2400, and the bottom plate 2200 is located on the bottom of the chuck 2500. A chuck adjustment module 2600 for adjusting the height and inclination of the chuck 2500 .

In this embodiment, the drill body clamping mechanism 2000 is used to clamp and move the drill body, and at the same time, the height of the front end of the chuck is adjusted to ensure that the drill body is clamped on the chuck 2500 and just located at the heating coil of the welding machine 7000 At the same time, the blade groove on the drill body is in a horizontal position; at the same time, the welding solvent feeding mechanism 3000 is used to automatically add welding solvent to the blade groove of the drill body, and the welding chip feeding mechanism 4000 is used to continuously provide welding Use the composite chip feeding mechanism 5000 to continuously provide composite chips, and use the automatic reclaiming mechanism 6000 to sequentially place the solder chips provided by the solder chip feeding mechanism 4000 and the composite chips provided by the composite chip feeding mechanism 5000 in the blade groove of the drill bit body. Finally, the welding machine 7000 is used to complete the welding operation of the composite drill. The entire production process has the advantages of high automation, high production efficiency and stable quality of the composite drill.

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 provided on the bottom plate 2200 through a shaft seat 2610 , and the axis of the first lead screw 2620 Parallel to the 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, and the first lead screw 2620 is provided with a reverse thread. The two ends are respectively connected with a sliding block 2630 matched with it. Each sliding block 2630 is provided with a supporting plate 2640 vertically. The upper end of the supporting plate 2640 is supported on the bottom of the chuck 2500. The guide sliding between the sliding block 2630 and the bottom plate 2200 is realized by the sliding rail slot structure 2650 , and the outer end of the first lead screw 2620 is provided with a rotating operation module 2660 .

In this embodiment, after the chuck adjustment module 2600 adopts the above structure, when the height and inclination of the front end of the chuck need to be adjusted, the first linear slide table 2100 drives the chuck 2500 to move toward the welding machine 7000, so that the chuck 2500 is located in the welding machine 7000. Next to the machine 7000, the relative distance between the two sliders 2630 is adjusted by operating the rotating operation module 2660, which in turn drives the change in the distance between the two support plates 2640, and finally achieves the purpose of adjusting the height and inclination of the front end of the chuck 2500. So that the drill bit body is just at the height of the heating coil of the welding machine 7000 after being clamped on the chuck 2500 .

The rotation operation module 2660 adopts an operation hand wheel. Obviously, the rotation operation module 2660 may also adopt other types, such as an operation lever, 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 avoid the surface wear of the chuck caused by sliding between the chuck and the support plate when the height of the front end of the chuck is adjusted, the upper end of the support plate 2640 A roller 2670 is provided in rotation, and the roller 2670 is supported on the bottom of the chuck 2500. In this way, the sliding between the chuck and the support plate can be transformed into the rolling between the roller and the chuck, thereby reducing the wear of the chuck. while reducing the noise caused by sliding.

According to an embodiment of the present invention, the chuck adjustment module 2600 may also adopt other structures. For example, the chuck adjustment module 2600 includes an automatic telescopic rod rotatably disposed on the bottom plate 2200. The bottom of the chuck 2500 An ear plate is provided, and the upper end of the automatic telescopic rod is hinged on the lower end of the ear plate. Wherein, the automatic telescopic rod is an electric telescopic rod. Obviously, the automatic telescopic rod can also be a pneumatic telescopic rod or a hydraulic telescopic rod, which can also achieve the same effect.

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 disposed above the drill bit body clamping mechanism 2000 in the horizontal direction through the 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 arranged on the second linear sliding table 3200 along the vertical direction, and the lower part of the third linear sliding table 3300 An injection nozzle 3400 is provided on the outside, and the injection nozzle 3400 is used to inject welding solvent into the insert groove of the drill body.

In this embodiment, after the welding solvent feeding mechanism 300 adopts the above structure, the first linear slide table 2100 drives the drill bit body clamped on the chuck 2500 to move directly below the welding solvent feeding mechanism 3000, and the third linear slide The stage 3300 drives the injection nozzle 3400 to move down to the blade groove of the drill body, and uses a material injection pump to inject the welding solvent through the injection nozzle 3400 to inject the welding solvent on the blade groove of the drill body.

According to an embodiment of the present invention, as shown in FIG. 7 , the automatic reclaiming mechanism 6000 includes a fourth linear sliding table 6100 disposed above the drill body clamping mechanism 2000 in a horizontal direction through a support frame. Four linear sliding tables 6100 are perpendicular to the first linear sliding table 2100 , and an automatic telescopic cylinder 6200 is vertically arranged on the fourth linear sliding table 6100 , and the lower part of the telescopic end of the automatic telescopic cylinder 6200 is provided with negative pressure suction Nozzle 6300, the negative pressure suction nozzle 6300 is connected to the negative pressure source through a pipeline.

In this embodiment, after the automatic reclaiming mechanism 6000 adopts the above structure, the fourth straight line drives the negative pressure suction nozzle 6300 to move directly above the solder chip feeding tube 4300 of the solder chip feeding mechanism 4000 or directly above the composite chip feeding mechanism 5000 Next to the composite sheet feeding pipe 5300, then the automatic telescopic cylinder 6200 drives the negative pressure suction nozzle 6300 to move down to complete the adsorption and feeding of the solder sheet and the composite sheet.

In addition, a plunger pump is used as the negative pressure source. Obviously, a centrifugal pump can also be used as the negative pressure source, which can also play the role of providing negative pressure for the negative pressure suction nozzle 6300 .

In addition, the automatic telescopic cylinder 6200 adopts a pneumatic telescopic cylinder. Obviously, the automatic telescopic cylinder 6200 can also be of other types, such as an electric telescopic cylinder or a hydraulic telescopic cylinder, which can also drive the negative pressure suction nozzle 6300 to move downward. In order to complete the adsorption and feeding of solder pieces and composite pieces.

According to an embodiment of the present invention, as shown in FIG. 8 and FIG. 9 , the solder chip feeding mechanism 4000 includes a rotation module 4100 arranged on the worktable 1000, and a bracket 4200 is arranged on the rotation module 4100, The bracket 4200 takes the rotation center of the rotation module 4100 as the axis and is evenly arranged with a plurality of solder chip feeding tubes 4300 along the circumferential direction. A solder tab ejector rod 4400 is arranged on the side of the rotation module 4100, and the solder tab ejector rod 4400 is driven by the linear telescopic module 4500 to realize up and down expansion and contraction, and is used for upwardly ejecting the solder tabs in the solder tab feeding tube 4300 one by one. out and reset down.

In this embodiment, after the solder chip feeding mechanism 4000 adopts the above structure, when the solder chip feeding needs to be performed, the negative pressure suction nozzle 6300 first pushes the top of the solder chip feeding tube 4300 directly above the solder chip ejector rod 4400 The solder piece is removed, and after each solder piece feeding is completed, the solder piece ejector rod 4400 pushes up a solder piece height to ensure that the upper end of the solder piece feeding tube 4300 always has a solder piece until the solder piece is supplied. The solder tabs in the tube 4300 are used up; when the solder tabs in the solder tab feeding tube 4300 located just above the solder tab ejector rod 4400 are used up, the rotation module 4100 drives the bracket 4200 to rotate, so that other The solder chip feeding tube is rotated to just above the solder chip ejector rod 4400 to continue feeding. The solder piece feeding mechanism 4000 can not only realize the continuous feeding of solder pieces, but also complete the filling of solder pieces for all the solder piece feeding tubes at one time, which can continuously meet the welding needs of a large number of compound drills; at the same time, the solder piece feeding The mechanism 4000 can refill the empty solder wafer feeding tube with solder wafers without stopping the machine, avoiding waste caused by frequent shutdowns.

In addition, the number of the solder tab feeding tubes 4300 is 2. Obviously, in order to increase the supply of solder tabs, more solder tab feeding tubes 4300 can be provided, such as 3, 4, 5, 6, 7, 8, etc., the number of welding piece feeding tubes 4300 can be set according to actual needs, for example, according to the number of welding pieces required for welding composite drills in one day.

In addition, the linear telescopic module 4500 adopts a pneumatic telescopic cylinder. Obviously, the linear telescopic module 4500 is not limited to using a pneumatic telescopic cylinder, and can also use other types, such as an electric telescopic cylinder, or a hydraulic telescopic cylinder, or a deceleration cylinder. The motor-driven linear gear box can also drive the solder tab ejector rod 4400 to move upward to eject the solder tab and to move downward to reset.

In addition, the rotating module 4100 adopts a rotating cylinder. Obviously, the rotating module 4100 is not limited to using a rotating cylinder, and can also use other types, such as an electric rotary table or a hydraulic rotary table, which can also play the same driving role. The purpose of the rotation of the carriage 4200.

According to an embodiment of the present invention, as shown in FIGS. 10 and 11 , the composite sheet feeding mechanism 5000 includes a support table 5100 arranged on the work table 1000 , and a portal frame 5200 is arranged on the support table 5100 , a composite sheet feeding tube 5300 is vertically arranged on the portal frame 5200, a composite sheet is stacked in the composite sheet feeding tube 5300, a guide rail 5400 is horizontally arranged inside the portal frame 5200, and the guide rail 5400 The composite sheet pusher plate 5500 is slidably arranged thereon. The composite sheet pusher plate 5500 is provided with a accommodating groove 5510 adapted to the shape of the composite sheet, and the inner cavity of the composite sheet feeding tube 5300 is downward. It is communicated with the upper surface of the composite sheet ejector plate 5500 to ensure that the composite sheet located at the lowermost end of the inner cavity of the composite sheet feeding tube 5300 can freely fall on the upper surface of the composite sheet ejection plate 5500, so The support table 5100 is provided with an automatic telescopic module 5600 for automatically pushing and pulling the composite sheet pusher 5500 .

In this embodiment, after the composite sheet feeding mechanism 5000 adopts the above-mentioned structure, the fourth straight line 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, and the composite sheet pushing plate 5500 carries it down. The composite sheet inserted into the accommodating groove 5510 protrudes outward so that the composite sheet in the accommodating groove 5510 is located directly under the negative pressure suction nozzle 6300, and the automatic telescopic cylinder 6200 extends downwards so that the negative pressure suction nozzle 6300 adsorbs the composite sheet , and then the fourth linear slide 6100 drives the negative pressure suction nozzle 6300 adsorbed with the composite sheet to move above the blade groove of the drill body, and places the composite sheet on the top of the welding sheet filled with welding solvent; each time the composite sheet is completed After feeding, the composite sheet pusher 5500 is driven by the automatic telescopic module 5600 to make the accommodating groove 5510 return to the right below the composite sheet feeding tube 5300, so that the composite sheet at the lower end of the composite sheet feeding tube 5300 falls into the The accommodating groove 5510 is used for the next loading of the composite sheet. The composite sheet feeding mechanism 5000 can continuously realize the feeding of the composite sheet, without manually placing the composite sheet on the drill bit one by one, greatly improving the work efficiency.

In addition, the automatic expansion and contraction module 5600 adopts a pneumatic expansion and contraction cylinder. The function of the automatic expansion and contraction module 5600 is to drive the composite sheet pusher to achieve reciprocating motion, thereby realizing continuous supply of the composite sheet. Obviously, the automatic expansion and contraction module 5600 does not Limited to the use of pneumatic telescopic cylinders, electric telescopic cylinders or hydraulic telescopic cylinders can also be used, which can also achieve the above-mentioned effects.

According to an embodiment of the present invention, as shown in FIG. 10, in order to adjust the height of the support table 5100, the upper surface of the composite wafer ejector plate 5500 and the upper end surface of the solder wafer feeding tube are on the same level, so as to facilitate the adjustment of the height of the support table 5100. The negative pressure suction nozzle 6300 respectively feeds the solder sheet and the composite sheet at the same height. The support table 5100 is set on the worktable 1000 through the lifting adjustment module. The guide column 5120 on the support table 5100, the lower end of the guide column 5120 is set on the workbench 1000, the upper end of the guide column 5120 is provided with a horizontal plate 5130, and the horizontal plate 5130 is rotated through a bearing to set a third plate. Two lead screws 5140, an internal thread sleeve 5150 matched with the second lead screw 5140 is fixed on the support table 5100, and a rotary handle 5160 is provided on the upper end of the second lead screw 5140; in this way, by operating the rotary handle 5160 The second lead screw 5140 is driven to rotate, and then the support table 5100 is raised or lowered in the vertical direction through the inner threaded sleeve 5150, so that the height of the support table 5100 can be adjusted very conveniently.

According to an embodiment of the present invention, the present invention also provides an automatic welding method for a composite drill bit, comprising the following steps:

S1. Adjust the height and inclination of the front end of the chuck 2500: the first linear slide 2100 drives the chuck 2500 to move toward the welding machine 7000, so that the chuck 2500 is located beside the welding machine 7000, and the two sliders are adjusted by operating the rotating operation module 2660 The relative distance between 2630 and 2630 further drives the change in the distance between the two support plates 2640, and finally achieves the purpose of adjusting the height and inclination of the front end of the chuck 2500, so that the drill bit body is clamped on the chuck 2500 and just located at The height of the heating coil of the welding machine 7000, and the blade groove of the drill body of different models and specifications can be in a horizontal position to avoid the outflow of the welding liquid

The purpose of the height, so that the drill body is just at the height of the heating coil of the welding machine 7000 after being clamped on the chuck 2500;

S2. Clamping the drill bit body: the first linear slide 2100 drives the chuck 2500 to move to the outside, so that the chuck 2500 is far away from the welding solvent feeding mechanism 3000, and the position is set as the initial position, and the low-speed motor 2400 is started to make the The claws of the chuck 2500 are released, and after the drill body is installed and clamped on the claws, the low-speed motor 2400 is started to drive the drill body to rotate until one of the blade grooves of the drill body faces upwards and is in a horizontal position;

S3. Filling the welding solvent for the first time: the first linear slide table 2100 drives the drill bit body clamped on the chuck 2500 to move to the position directly below the welding solvent feeding mechanism 3000, and uses the welding solvent feeding mechanism 3000 to feed the drill bit body Welding solvent is added to the insert groove;

S4. Loading the soldering piece: after the filling of the welding solvent is completed, the first linear slide table 2100 continues to drive the drill bit body clamped on the chuck 2500 to move below the automatic reclaiming mechanism 6000, and the fourth linear slide The stage 6100 drives the negative pressure suction nozzle 6300 to move directly above the solder chip feeding tube 4300 of the solder chip feeding mechanism 4000, and the automatic telescopic cylinder 6200 extends downward so that the negative pressure suction nozzle 6300 absorbs the solder chip, and then the fourth The linear slide table 6100 drives the negative pressure suction nozzle 6300 with the welding piece to move to the top of the insert groove of the drill body, and places the welding piece on the insert groove of the drill body at the place where the welding solvent is first filled; After loading, the solder tab ejector rod 4400 pushes up a solder tab height to ensure that the upper end of the solder tab feed tube 4300 always has a solder tab; After the inner solder piece is used up, the rotation module 4100 drives the bracket 4200 to rotate, so that the other solder piece feed tubes with solder pieces are rotated to the top of the solder piece ejector rod 4400 to continue feeding;

S5. Refilling the welding solvent: after the soldering sheet is loaded, the first linear slide 2100 drives the drill body to move outward to the position directly below the welding solvent feeding mechanism 3000, and the welding solvent feeding mechanism 3000 is used to move the Add welding solvent to the welding piece on the insert groove of the drill bit body;

S6. Load the composite sheet: the first linear slide table 2100 drives the drill bit body to move below the automatic reclaiming mechanism 6000, and the fourth straight line drives the negative pressure suction nozzle 6300 to move to the composite sheet feeding mechanism of the composite sheet feeding mechanism 5000. Next to the material pipe 5300, the composite sheet pusher 5500 carries the composite sheet that falls into the accommodating groove 5510 and protrudes out, so that the composite sheet in the accommodating groove 5510 is located directly under the negative pressure suction nozzle 6300, and the automatic telescopic cylinder 6200 goes down. Extend so that the negative pressure suction nozzle 6300 adsorbs the composite sheet, and then the fourth linear slide 6100 drives the negative pressure suction nozzle 6300 with the composite sheet to move to the top of the blade groove of the drill body, and places the composite sheet on the filling hole. Above the soldering sheet of the welding solvent; after each loading of the composite sheet, the composite sheet pusher 5500 is driven by the automatic expansion and contraction module 5600 to make the accommodating groove 5510 return to the right below the composite sheet feeding tube 5300, thereby making The composite sheet at the lower end of the composite sheet feeding tube 5300 falls into the accommodating groove 5510 for the next feeding of the composite sheet;

S7. Welding the drill bit of the composite sheet: After the loading of the composite sheet is completed, the first linear slide 2100 drives the drill bit body to move towards the welding machine 7000 until the drill bit body is just located in the heating coil of the welding machine 7000 and stops, and the welding machine is turned on. 7000 Complete the welding of the drill bit body and the composite piece; after completing the welding of one piece of the composite piece drill bit, perform step S2 to weld the next piece of the composite piece drill bit.

The present invention utilizes the drill body clamping mechanism to clamp and move the drill body, and at the same time adjust the height of the front end of the chuck to ensure that the drill body is just at the height of the heating coil of the welding machine after being clamped on the chuck; at the same time, The welding solvent feeding mechanism is used to automatically add welding solvent to the blade groove of the drill body. The welding sheet provided by the feeding mechanism and the composite sheet provided by the composite sheet feeding mechanism are placed on the blade groove of the drill body in turn, and finally the welding machine is used to complete the welding operation of the composite sheet drill. The whole production process has a high degree of automation and high production efficiency. The advantages of high and stable quality of composite drill bits.

The above are the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. It should be regarded as the protection scope of the present invention.

Claims (10)

1. An automatic welding equipment for a composite sheet drill bit, comprising a workbench, characterized in that: the workbench is provided with a drill bit body clamping mechanism, a welding solvent feeding mechanism, a welding sheet feeding mechanism, a composite sheet feeding mechanism, an automatic A reclaiming mechanism and a welding machine, the automatic reclaiming mechanism is located between the welding solvent feeding mechanism and the welding machine, and both the soldering sheet feeding mechanism and the composite sheet feeding mechanism are located in the automatic feeding mechanism. between the reclaiming mechanism and the welding machine; The drill body clamping mechanism is used to clamp and move the drill body, the welding solvent feeding mechanism is used to add welding solvent to the blade groove of the drill body, and the welding chip feeding mechanism is used to continuously provide welding. The composite sheet feeding mechanism is used to continuously provide composite sheets, and the automatic reclaiming mechanism is used to sequentially place the solder sheets provided by the solder sheet feeding mechanism and the composite sheets provided by the composite sheet feeding mechanism On the blade groove of the drill bit body, the welding machine is used for welding the composite sheet on the blade groove of the drill bit body; The bit body clamping mechanism includes a first linear sliding table horizontally arranged on the upper part of the worktable, a bottom plate is arranged on the first linear sliding table, and a low-speed motor is rotated on the bottom plate through a hinge seat, so the A chuck is arranged on the main shaft of the low-speed motor, and a chuck adjustment module for adjusting the height and inclination of the chuck is arranged on the bottom plate and at a position below the chuck. 2 . The automatic welding equipment for a composite drill bit according to claim 1 , wherein the chuck adjustment module comprises a first lead screw which is rotatably arranged on the base plate through a shaft seat, and the first lead screw is rotatably arranged on the base plate. The axis is parallel to the axis of the hinge seat, one end side of the first lead screw is provided with a forward thread, the other end side of the first lead screw is provided with a reverse thread, and both ends of the first lead screw are provided A corresponding sliding block is respectively connected with it, each sliding block is provided with a supporting plate vertically, the upper end of the supporting plate is supported on the bottom of the chuck, and the sliding block and the bottom plate are between the sliding block and the bottom plate. The guiding and sliding of the shaft is realized through the structure of the slide rail and the chute, and the outer end of the first lead screw is provided with a rotating operation module. 3 . The automatic welding equipment for a composite drill bit according to claim 2 , wherein the upper end of the support plate is rotatably provided with a roller, and the roller is supported on the bottom of the chuck. 4 . 4 . The automatic welding equipment for a composite drill bit according to claim 1 , wherein the chuck adjusting module comprises an automatic telescopic rod rotatably arranged on the bottom plate, and the bottom of the chuck is provided with an ear plate, so the The upper end of the automatic telescopic rod is hinged on the lower end of the ear plate. 5 . The automatic welding equipment for a composite drill bit according to claim 1 , wherein the welding solvent feeding mechanism comprises a second linear sliding table horizontally disposed above the drill bit body clamping mechanism through a support frame. 6 . , the second linear sliding table is perpendicular to the first linear sliding table, a third linear sliding table is arranged on the second linear sliding table along the vertical direction, and the outer side of the lower part of the third linear sliding table is provided with a The nozzle is used to inject the welding solvent onto the insert groove of the drill body. 6 . The automatic welding equipment for a composite drill bit according to claim 1 , wherein the automatic material reclaiming mechanism comprises a fourth linear sliding table arranged above the drill bit body clamping mechanism in a horizontal direction through a support frame, 7 . 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, and a negative pressure suction nozzle is arranged at the lower part of the telescopic end of the automatic telescopic cylinder, The negative pressure suction nozzle is connected with the negative pressure source through a pipeline. 7 . The automatic welding equipment for a composite chip drill according to claim 1 , wherein the welding chip feeding mechanism comprises a rotating module arranged on the worktable, a bracket is arranged on the rotating module, and the The bracket takes the rotation center of the rotating module as the axis and is evenly arranged with a plurality of welding chip feeding pipes along the circumferential direction. The sheet ejector rod is driven by a linear telescopic module to realize up and down expansion and contraction, and is used to push up the solder sheets in the solder sheet feeding tube one by one and reset them downward. 8 . The automatic welding equipment for a composite sheet drill bit according to claim 1 , wherein the composite sheet feeding mechanism comprises a support table arranged on the work table, and a portal frame is arranged on the support table, so the A composite sheet feeding tube is vertically arranged on the portal frame, a composite sheet is stacked in the composite sheet feeding tube, a guide rail is horizontally arranged on the inner side of the portal frame, and a composite sheet matched with the composite sheet is slidably arranged on the guide rail. A pusher plate, the composite sheet pusher plate is provided with a accommodating groove adapted to the shape of the composite sheet, and the inner cavity of the composite sheet feeding pipe is downwardly communicated with the upper surface of the composite sheet pusher plate In order to ensure that the composite sheet located at the lowermost end of the inner cavity of the composite sheet feeding tube can freely fall on the upper surface of the composite sheet pushing plate, the support table is provided for automatically pushing and pulling the composite sheet pushing plate. The auto-scaling module. 9 . The automatic welding equipment for composite drill bits according to claim 8 , wherein the support table is arranged on the worktable through a lift adjustment module, and the lift adjustment module comprises a guide sleeve that is slidably arranged on the workbench. 10 . The guide column on the support table, the lower end of the guide column is set on the worktable, the upper end of the guide column is provided with a horizontal plate, the second lead screw is rotated on the horizontal plate through the bearing, and the support table An inner thread sleeve matched with the second lead screw is fixedly arranged, and a rotating handle is arranged on the upper end of the second lead screw. 10. An automatic welding method for a composite drill bit, characterized in that, comprising the following steps: S1. Adjust the height and inclination of the front end of the chuck: the first linear slide drives the chuck to move toward the welding machine, so that the chuck is located beside the welding machine, and the relative distance between the two sliders is adjusted by operating the rotating operation module, and then Drive the change of the distance between the two support plates, and finally adjust the height and inclination of the front end of the chuck, so that the drill body is just at the height of the heating coil of the welding machine after being clamped on the chuck, and ensure the The blade grooves of the drill bit bodies of different types and specifications can be in a horizontal position to avoid the outflow of welding liquid; S2. Clamp the drill body: the first linear slide drives the chuck to move to the outside, so that the chuck is far away from the welding solvent feeding mechanism and set the position as the initial position, start the low-speed motor to make the jaws of the chuck move Loosen, after installing and clamping the drill body on the jaws, start the low-speed motor to drive the drill body to rotate until one of the blade grooves of the drill 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 body clamped on the chuck to move to the position directly below the welding solvent feeding mechanism, and uses the welding solvent feeding mechanism to feed the blade groove of the drill bit body. Add welding solvent; S4. Loading the soldering pieces: After the filling of the welding solvent is completed, the first linear slide continues to drive the drill body clamped on the chuck to move below the automatic reclaiming mechanism, and the fourth linear slide drives the negative The pressure suction nozzle moves to the top of the welding chip feeding tube of the welding chip feeding mechanism, and the automatic telescopic cylinder extends downwards so that the negative pressure suction nozzle absorbs the welding chip, and then the fourth linear slide drives the The negative pressure suction nozzle is moved to the top of the insert groove of the drill body, and the soldering piece is placed on the insert groove of the drill body where the welding solvent is filled for the first time; after each welding piece is loaded, the solder piece ejector rod is pushed upward A height of solder tabs is set to ensure that there are solder tabs on the upper end of the solder tab feed tube until the solder tabs in the solder tab feed tube are used up; when the solder tabs in the solder tab feed tube directly above the After use, the rotating module drives the bracket to rotate, so that the other soldering piece feeding tubes with soldering pieces are rotated to the top of the soldering piece ejector rod to continue feeding; S5. Refilling the welding solvent: After the welding sheet is loaded, the first linear slide drives the drill body to move outwards to just below the welding solvent feeding mechanism, and uses the welding solvent feeding mechanism to feed the drill bit body. Add welding solvent to the welding piece on the blade groove; S6. Load the composite sheet: the first linear slide drives the drill body to move below the automatic reclaiming mechanism, and the fourth straight line drives the negative pressure suction nozzle to move to the side of the composite sheet feeding tube of the composite sheet feeding mechanism. The composite sheet ejector plate carries the composite sheet that falls into the accommodating groove and protrudes outward so that the composite sheet in the accommodating groove is located directly under the negative pressure suction nozzle, and the automatic telescopic cylinder extends downwards so that the negative pressure suction nozzle pushes the composite sheet. Adsorbed, then the fourth linear slide drives the negative pressure suction nozzle with the composite sheet to move to the top of the blade groove of the drill body, and places the composite sheet on the top of the welding sheet filled with welding solvent; each time the composite sheet is completed After the material is loaded, the composite sheet pusher plate is driven by the automatic telescopic module to make the accommodating groove return to the right under the composite sheet feeding pipe, so that the composite sheet at the lower end of the composite sheet feeding pipe falls into the accommodating groove for supply. The next feeding of the composite sheet; S7. Welding of the composite sheet drill: After the loading of the composite sheet is completed, the first linear slide drives the drill bit body to move to the welding machine until the drill bit body is just located in the heating coil of the welding machine and stops, and the welding machine is turned on to complete the alignment of the drill bit. Welding of the body and the composite sheet; after completing the welding of one piece of the composite sheet bit, step S2 is performed to weld the next piece of the composite sheet bit.

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