KR20110078572A - An auto brazing machine for drill tip and methods thereof - Google Patents

Abstract

PURPOSE: Device and method for automatically brazing a drill tip are provided to enable automatic production of a drill tip and enhance productivity since after brazing strength is measured, defects are removed and only good products are selected and loaded. CONSTITUTION: A device for automatically brazing a drill tip comprises an index unit(100), a shank input unit(200), a flux supply unit(300), a silver-solder supply unit(400), a tip supply unit(500), a brazing unit(600) and an ejection unit(700). The index unit radially holds and successively rotates placing units for holding a drill shank. The shank input unit puts the drill shank into the placing unit. The flux supply unit coats flux on the shank. The silver-solder supply unit cuts silver solder and supplies it to the flux-coated shank. The tip supply unit supplies a cemented-carbide tip onto the shank.

Description

Drill tip automatic brazing device and automatic brazing method {AN AUTO BRAZING MACHINE FOR DRILL TIP AND METHODS THEREOF}

The present invention relates to a drill tip automatic brazing apparatus and method, and more particularly, to a cemented carbide tool such as a drill or an end mill is made of cemented carbide with only a cutting portion and the shank portion is made of stainless steel or tool steel, thereby automatically mutually high frequency. Brazing with an oscillator reduces manufacturing costs, automates all processes from the input of shanks and tips to the supply of flux and silver, the brazing process and extraction by applying high frequency, The present invention relates to a method for automatically brazing a drill tip including a process of screening a brazing product of a finished product after inspection by a method, and a process of sorting good and defective products.

In general, brazing is a metallurgy in which a solvent is added to a joint between two metals to be joined and a high temperature or high temperature heat is applied to the joint to allow the solvent to melt and finely penetrate the joint by a capillary effect. It is a chemical binding method.

On the other hand, tools such as drills and end mills are made of a different material by making the trunk part and the blade part different from each other, and they are manufactured by integrally brazing them. The shank area is formed of tool steel to greatly reduce the use of expensive cemented carbide, thereby maximizing the cost saving effect due to material cost reduction, and in addition to supplying expensive tools at low cost.

However, since the joining of cemented carbide tips and tool steel shanks is technically very difficult and not automated, until now, most tools have been manufactured with cemented carbide.

The present invention has been made in order to solve the above problems, an object of the present invention is to automatically produce a drill tip brazing device that can automatically braze the shank and tip made of a different material when manufacturing a tool such as a drill or end mill And a method.

That is, the present invention can automatically supply the shank and the tip, but can be supplied after sorting and directioning the good and bad parts, and automatically supply the flux and silver needed for brazing welding on the shank sequentially, and then to the high frequency oscillator It is an object of the present invention to provide a drill tip automatic brazing apparatus and method for consistently performing all processes by brazing a tip, taking out a brazed product, inspecting brazing strength, and then sorting and loading good and defective products. .

In order to achieve the above object, the present invention is a drill tip automatic brazing device for automatically brazing a tip made of cemented carbide to a drill shank made of tool steel or stainless steel, the settled portion in which the drill shank is placed radially disposed and rotates sequentially An index unit; A shank injecting unit for injecting a drill shank into a settled portion of the index unit; A flux supply unit for applying flux on the shank; A silver lead supply unit for supplying silver lead on the shank to which the flux is applied; A tip supply unit for supplying a tip made of cemented carbide on the shank; A brazing unit for welding the tip to the shank by applying a high frequency to the shank supplied with the tip; And a take-out part for taking out the braided drill from the index unit. It provides a drill tip automatic brazing device comprising a.

The present invention also provides a method comprising: feeding a drill shank and a tip made of dissimilar material to a seating portion of an index unit that rotates the shank horizontally in a first position to automatically braze the tip; Rotating the index unit to apply flux onto the shank at the second position; Rotating the index unit to cut and supply the silver solder in a strip shape to a predetermined length on the shank to which the flux is applied at a third position; Rotating the index unit to feed the tip over the shank at the fourth position; Clamping the shank and the tip in the fourth position to maintain abutment and brazing by high frequency induction heating; Rotating the index unit to take out the brazed product at the fifth position; It provides a drill tip automatic brazing method comprising a.

In the preferred embodiment of the present invention, the shank input unit includes a vibrating circular feeder, a direction sensor, a shape selector, and a loader for supplying the selected shank to the settled portion of the index unit.

In addition, the takeout section includes an unloader for taking out the brazed product from the index unit, and a test unit for testing the brazing strength using a load cell.

The present invention aligns the dissimilar materials in the index unit and supplies them correctly and automatically supplies the flux and silver lead for brazing, and automatically joins them by applying high frequency. Selecting and loading only the product enables the automatic production of drill tips and has a useful effect of improving productivity.

Hereinafter, with reference to the accompanying drawings, preferred embodiments that do not limit the present invention will be described in detail.

1 and 2 schematically illustrate the concept and process of a method and apparatus for automatic brazing of a drill tip according to the present invention. As a method for automatically brazing, supplying the shank (S) to the seating portion 110 of the index unit 100 to rotate horizontally in the first position (P1) (S20); Applying an flux (F) on the shank (S) at the second position (P2) by rotating the index unit (S30); Rotating the index unit to cut and supply the silver solder L in a strip shape to a predetermined length on the shank S to which the flux F is applied at the third position P3 (S40); Rotating the index unit to supply a tip T on the shank S at the fifth position P4 (S50); Fixing the shank (S) and the tip (T) in the fifth position (P4) so as to be in contact with each other and brazing by high frequency induction heating (S60); And extracting the brazed bonded product P at the sixth position P6 by rotating the index unit (S70). Consists of including.

As can be understood by FIG. 1 and FIG. 2, the brazing method of the present invention has a process of supplying shank S and tip T, applying flux F, supplying silver lead L, and brazing and taking out process. Completely automated to complete the product (P) through the process, the finished product (P) in the present invention is shipped to the final product through a separate drill blade processing process.

In the step (S20) in the present invention, because the shank (S) can be supplied upside down, it is necessary to be able to remove the inverted supply shank from the supply path, which is supplied upside down in the embodiment for the specific apparatus described below The shank includes a means for sensing by an optical sensor and forcibly deviating from the supply path. In the present invention, the shank may further include a process or mechanical means for correctly changing the direction of the shank supplied backwards.

On the other hand, the shank (S) as shown in Figure 1 is formed in the shape of the corner around the lower end, the upper end has a surface cut at a right angle, in the transport path is a position having a corner surface of the transport path Since it is normal to supply toward the front, the optical sensor is inclined toward the front of the conveying direction to maintain the direction perpendicular to the edge surface so that the light irradiated from the light emitting part is reflected and sensed by the light receiving part. Make sure to screen

On the other hand, the method of removing the inverted shank is formed on the transport path by a predetermined width, the trap is opened to the bottom, and installed the compressed air nozzle thereon the shank supplied upside down from the sensor is sensed so that the high pressure air It is preferable to allow the shank that has been supplied in a laid down state to fall into the trap, which will be described in detail in the description of the relevant device section below.

In addition, the take-out step (S70) in the present invention after the extraction in the index unit after the cooling process, testing the brazing strength to load the normal product only and includes a process for collecting the defective product separately, for this part The device portion will be described in detail.

Hereinafter, a specific embodiment of a brazing apparatus according to a preferred embodiment of the present invention will be described with the drawings.

Figure 3 is a plan view schematically showing the overall configuration of the automatic drill tip automatic brazing apparatus according to the present invention, the present invention is an index unit in which the settle portion 110 is placed radially arranged to rotate the drill shank (S) is sequentially rotated 100; A shank input unit 200 for introducing a drill shank S into the settling unit 110 of the index unit 100; A flux supply unit (300) for applying flux (F) on the shank (S); A silver lead supply unit 400 for supplying silver lead (L) onto the shank (S) coated with the flux; A tip supply part 500 for supplying a tip T made of cemented carbide on the shank S; Brazing unit 600 for welding the tip to the shank by applying a high frequency to the shank (S) supplied with the tip (T); And taking out part 700 for taking out the brazing completed product (P) from the index unit 100; Consists of including.

In the present invention, the index unit 100 is rotated and stopped in one direction intermittently by 60 ° by the servomotor 120 as shown in FIGS. 4A and 4B, while placing the shank, flux, and silver solder. The feeding, tip feeding and brazing steps are sequentially controlled, and finally, the discharge unit 700 is discharged to the outside from the index unit 100. The shape of the index unit 100 is a rotating disk ( The six settled parts 110 are radially formed on the outer side of the 130.

Process performance according to the rotational position of the index unit 100 is as follows.

In FIG. 4B, the shank S is placed in the seating portion 110 of the index unit 100 at the first position P1, and the flux F is applied on the shank S at the second position P2. In the third position P3, the silver lead L in a strip state is cut and supplied on the flux F, and in the fourth position P4, it is empty in the drawing to include a further process, and the fifth position ( In P5), the tip T is supplied on the shank S on which the silver lead L and the flux F are raised, and the brazing is performed in a fixed state by the clamp. In the sixth position P6, the brazed product ( P) is unloaded from the index unit 100.

The shank input unit 200 disposed at the first position P1 includes a vibrating circular feeder 210, a direction sensor 220, a sorter 230, and a loader 240 as illustrated in FIGS. 5A to 5D. Consists of including.

The circular feeder 210 is a device for aligning parts in a predetermined direction and supplying them to various assembling apparatuses or processing equipments. The principle and structure of the circular feeder 210 are obvious to those skilled in the art to which the present invention pertains. As it is one matter, a detailed description thereof will be omitted.

On the discharge side of the circular feeder 210, however, as shown in FIG. 5C, the shape of the front and rear of the shank S is different, so that the direction sensor 220 is provided to supply the index unit 100 in a right direction. The direction sensor 220 has one end (top) of the shank S cut at a right angle, and the other end (bottom) has a circumferential edge at a predetermined angle so that light is emitted orthogonally to this corner surface C. When the sensor 222 is installed and the shank (S) moves and the light is reflected back to the edge (C) (the edge is backward), the supply direction is upside down, and the light is not reflected back. In the case where the corner face is forward, the air is injected from the air injection nozzle 224 and dropped below the trap 226 formed in the movement path so that only the shank properly aligned can be supplied. Being There is.

On the other hand, the shank (S) supplied in the right direction through the direction sensor 220 at the circular feeder 210 side is supplied to the sorter 230 shown in Figs. 5a and 5b through the free drop tube 226. Here, after selecting the shank fed upside down and the shank fed in the normal direction again using the photosensor 232, the shank fed upside down is pushed to the left side (in FIG. 5B) using the horizontal cylinder 234. Dropping it under the shank guide 237 using the pushing cylinder 236 to collect it in a separate collection tray, not shown, and the normally supplied shank is pushed to the right (in FIG. 5B) to push another pushing cylinder 238. By using the forced feed tube 250 is supplied to the loader 240 by the pneumatic pressure.

In the figure, reference numerals 236a and 238a are push pins which are operated by the pushing cylinders 236 and 238, and 234a are shank supply blocks which are pushed back and forth by the horizontal cylinder 234.

The photosensor 232 is located at the lower end of the shank and is narrowed vertically toward the edge and irradiates light over the entire width of the shank to the left and right to enter the entrance tube when the amount of incident light is not measured. It detects that the shank is fed upside down by detecting less or less than this set amount of light.

On the other hand, the shank collected in the collection tray is fed back to the circular feeder 210 by the vertical up to resupply.

In addition, the loader 240 seats the shanks S supplied through the forced transfer tube 250 to which air pressure is applied, as shown in FIG. 5D, one by one on the settled portion 110 of the index unit 100. , Which is pushed when the shank S supplied to the top of the guide block 241 is horizontally moved by the pushing block 243 attached to the push cylinder 242 and aligned with the settled portion 110 of the index unit 100. The down cylinder 244 is driven to operate so that the pushing pin 245 descends and is seated on the settling unit 110.

Next, the flux supply unit 300 disposed in the second position P2 has a dispenser 310 containing the flux F detachably mounted on the adapter 320 as shown in FIG. 6. Although not shown in the drawing, the dispenser 310 presses the flux F inside the dispenser 310 so that it can be sprayed onto the shank S through the nozzle 322 at the bottom of the adapter 320. It is.

That is, in the flux supply unit 300, the dispenser 310 is lowered by the driving of the table cylinder 330 so that the nozzle 322 at the lower end of the dispenser 310 is placed in the settled portion 110 of the index unit 100. After (S) is contacted and the appropriate amount of flux is applied, it is raised back to the original position.

A push pin 340 is provided at the lower portion of the flux supply part 300 to push up the shank S placed in the settled part 110 of the index unit 100 when the flux is applied to the compression coil spring 350. It is supported by the push pin 340, the up / down cylinder 360 is to be raised by the operation.

The operation in the flux supply unit 300 will be described in detail as follows.

First, the up / down cylinder 360 is operated to push up the shank S placed in the settled portion 110 of the index unit 100 upwards, and at the same time, it is supported to prevent it from being pushed down when flux is applied. The dispenser 310 is lowered by the operation of the 330 to apply the appropriate amount of flux on the shank S, and then rises to the original position again, and the shank S where the up / down cylinder 360 is lowered and raised is originally raised. After coming to the height of, the index unit 100 is rotated to be introduced into the next process.

In addition, the silver lead supply unit 400 disposed in the third position P3 releases the silver lead L, which is in a thin strip state wound on the reel 410, as shown in FIGS. 7A and 7B. When cutting to a short length from the cutting machine 420 located on the upper part of the settle 110 is dropped one by one on the flux on the shank (S) placed in the settled portion (110).

The silver lead supply unit 400 includes a feed cylinder 430 for drawing the silver lead L in a strip state, two clamping cylinders 440 and 450 and a cutting cylinder 460 for clamping the silver lead L in a strip state. It is provided on the upper side, the lifting cylinder 470 for lowering the entire silver lead supply unit 400 except for the reel 410 is mounted on the lower side when seating on the cutting and shank of the silver lead.

In the present invention, the silver lead (L) is cut by dropping the silver lead supply unit 400 is dropped directly on the flux on the viscous shank is not placed in the correct position on the shank (S). It can effectively prevent flying or losing.

In addition, the tip supply part 500 and the brazing part 600 are disposed together in the fifth position P5, and the tip supply part 500 includes a vibrating circular feeder 510, as shown in FIGS. The tip T aligned in the circular feeder 510 is supplied through the tubing 520 conveyed by free fall, so as to be opposed to the shank S mounted on the settling unit 110 of the index unit 100. It consists of a loader (530).

Two paths R1 and R2 are formed in the circular feeder 510 according to the diameter of the tip. Tubes 520 and 520 'are connected to the paths R1 and R2, respectively, and are connected to the loader 530. .

8B and 8C, horizontal transfer cylinders 532 and 534 are installed at left and right sides to selectively use the tips T supplied from the two tubes 520 and 520 ′. The tip T horizontally conveyed by the horizontal transfer cylinders 532, 534 is positioned above the shank S while being pushed down by the pushdown pin 538 driven by the pushdown cylinder 536.

On the other hand, the push-up cylinder 540 for pushing up the shank (S) from the settled portion 110 of the index unit 100 at the same time as the tip (T) is lowered to the lower part of the loader 530 of the tip supply (500). Is installed, and the pushing pin 542 is raised to push up the shank S which is fitted to the settling portion 110 of the index unit 100.

The tip (T) and shank (S) pushed up and down by the push-down cylinder (536) and the push-up cylinder (540), respectively, are in close contact with the clamp (550) while maintaining a straight state. In this state, the brazing process is integrally performed by the brazing unit 600.

Reference numeral 539 in the figure denotes a horizontal cylinder for advancing the tip supply unit toward the index unit.

The heating coil 620 of the brazing unit 600 is fixed at the position where the shank S and the tip T are supplied as shown in FIG. 9A, so that the index unit 100 is inside the heating coil 620. The shank S, which was fitted to the settling portion 110 of the s), is lifted by the push-up cylinder 540, the tip T is lowered by the push-down cylinder 536, and the heating coil is clamped by the clamp 550. The high frequency is applied and brazed in a state located inside the 620.

The clamp 550 includes a fixed jaw 551 in the form of a V-block as shown in FIGS. 9A and 9B and a movable jaw 552 removably installed in a position facing the fixed jaw 551. The movable jaw 552 is moved forward and backward by the pneumatic cylinder 553 to bite and fix the shank S and the tip T at the same time, and the brazing process is performed in the fixed state, and the brazing is completed. Afterwards, the product (P) is opened again.

As shown in FIG. 9B, the clamp 550 has an intermediate portion open to one side to enter a loop type high frequency heating coil 620 for brazing, between the fixed jaw 551 and the movable jaw 552. The spacing of can be properly adjusted by adjusting screws 554 and 555, respectively.

In addition, the clamp 550 is provided with two approach cylinders 556 and 557 for approach and separation operation toward the index unit 100 as shown in FIG. 9A, so that the entire unitized clamp is index unit 100. To close to or away from).

The brazing part 600 is a high frequency generated by the transformer 610 around the shank and the tip fixed to the clamp 550 as shown in Figure 10 through the heating coil 620 of the loop type By induction heating indirectly to the shank (S) and the tip (T), the solder and the tip are brazed integrally while the silver lead (L) is melted.

After the brazing is completed, the integrated product P is pushed down by the push-down cylinder 536 shown in FIG. 8B in the state where the clamp 550 is firstly opened, and then again to the seating part 110 of the index unit 100. The clamp 500 is also retracted outward by the operation of the approach cylinders 556 and 557.

Finally, the takeout part 700 is installed at the sixth position P6, and the takeout part 700 includes an unloader 710 for taking out the brazed product P from the index unit 100 to the outside, Cooling unit 720 that cools by ejecting air while seated on the turntable and rotated step by step, a test unit 730 for testing brazing strength using a load cell, and a test unit ( It includes a loading unit 740 for loading the normal product tested in 730.

As shown in FIGS. 11A to 11C, the unloader 710 may include a first clamp 711 for transferring the product P placed in the settlement unit 110 of the index unit 100 to the cooling unit 720. ) And the second clamp 712 for transferring the product P cooled in the cooling unit 720 to the test unit 730 and the product P tested in the test unit 730 to the loading unit 740. It consists of a third clamp 713 to convey

Each of the clamps 711, 712, 713 is moved up and down simultaneously by a horizontal cylinder 714 and a vertical cylinder 715, and each of the clamps 711, 712, 713 is picked up by biting the product P. The operation of lowering the set groove 721 of the turn table 722, the clamp of the test unit 730, and the cross-shaped groove 741 a formed in the rotary plate 741 of the stacking unit 740 of the turn 720 is repeated. Done.

The cooling unit 720 is a turn table in which a plurality of settling grooves 721 radially disposed to cool the product P drawn out from the index unit 100, as shown in the plan view of FIG. 12A and the front view of FIG. 12B. 722 and a cooling air nozzle 723 for injecting and cooling air into a product placed on the turn table 722, and an upper portion of the turn table 722 on the index unit 100 side. Two photosensors 724 and 725 are installed to detect whether the product P is supplied to the product P and the test unit 730.

Reference numeral 726 in the figure denotes a servomotor for rotating the turn table 722.

As shown in FIGS. 13A and 13B, the test unit 730 includes a test clamp for operating the lower portion (shank portion) of the product P transferred by the second clamp 712 by the cylinder 731. The test bar 734 with the load cell 733 attached to the upper side (tip part) of the product is pushed in one direction while being pushed in one direction while the door 73 is attached to the test bar 734 to which the prescribed side pressure is applied. Negative strength is tested, and the product P that withstands the prescribed side pressure passes the test and is transferred by the third clamp 713 to proceed to the next process, that is, the loading process, and it does not endure the prescribed side pressure. If the brazing part is broken, the third clamp 713 is not caught and is discarded into the collection box 736 below by the test clamp 732.

In addition, the product passed in the strength test is transported by the third clamp 713 is seated in the cross groove 741a of the rotary plate 741, after which the rotary plate 741 is laid horizontally, laid horizontally The lost product is pushed by the push cylinder 743 and neatly contained in the cassette tray 742.

The rotary plate 741 is erected back vertically by the rotary cylinder 744 to wait for the next product.

As described above, in the present invention, only the tip portion is made of cemented carbide, and the remaining portion is made of stainless steel or tool steel, and the joints are joined by mutual brazing, thereby significantly reducing manufacturing costs compared to the production of expensive cemented carbide materials. Not only can this be done, but the productivity can be improved by automating the entire process.

1 is a process chart of a drill tip automatic brazing method according to the present invention,

Figure 2 is a block diagram of a drill tip automatic brazing apparatus according to the present invention,

3 is a plan view of a drill tip automatic brazing apparatus according to a preferred embodiment of the present invention,

4A is a plan view showing the structure of an index unit;

4B is a side view of the index unit,

Figures 5a to 5d shows the configuration of the shank input, Figures 5a and 5b is a plan view and a front view of the vibrating circular feeder and sorter, Figure 5c is a direction sensor installed in the vibrating circular peter, Figure 5d shows a loader One,

6 is a side view showing the configuration of the flux supply unit;

7A and 7B are a front view and a plan view showing the configuration of the silver lead supply portion;

8A is a top view of a circular feeder of the tip supply;

8B is a front view of the loader for the tip supply unit;

8C is a loader side view of the tip supply unit;

9A is a plan view of a clamp and a brazing part;

9b is a front view of the clamp,

10 is a plan view of the brazing unit;

11A to 11C are a front view, a plan view and a side view showing the configuration of the blowout section,

12A and 12B are a plan view and a front view showing the cooling unit of the blowout unit,

13A and 13B are front and top views of the test unit.

DESCRIPTION OF THE REFERENCE NUMERALS

100: index unit 110: mounting part

120: servo motor 130: rotating disk

200: shank input part 210: round feeder

220: direction detector 230: sorting machine

240: the loader

300: flux supply unit 310: dispenser

320: adapter 322: nozzle

330: table cylinder 340: push pin

350: Compression coil spring 360: Up / down cylinder

400: silver lead supply unit 410: reel

420: cutting machine 430: feed cylinder

440,450 clamping cylinder 460 cutting cylinder

470: lifting cylinder

500: tip supply 510: circular feeder

520,520 ': Tube 530: Loader

532,534 Horizontal transfer cylinder 536 Push-down cylinder

540: push up cylinder 550: clamp

551: fixed jaw 552: movable jaw

553: Cylinder 554,555: Adjustment screw

556,557: Approach Cylinder

600: brazing unit 610: transformer

620: high frequency heating coil

700: ejection unit 710: unloader

720: cooling unit 730: test unit

740: loading section

Claims (23)

It is a device for automatically brazing shanks and tips made of different materials. An index unit 100 in which a plurality of settled portions 110 on which the drill shanks S are placed are radially disposed and sequentially rotated; A shank inlet unit 200 for injecting a drill shank S into each setter unit 110 of the index unit 100; A flux supply unit (300) for applying flux (F) on the shank (S); A silver lead supply unit 400 for cutting and supplying silver lead L on the shank S to which the flux is applied; A tip supply part 500 for supplying a tip T made of cemented carbide on the shank S; Brazing unit 600 for welding the tip to the shank by applying a high frequency to the shank (S) supplied with the tip (T); And A taking-out part 700 for taking out the drill base material D having completed brazing from the index unit 100; Drill tip automatic brazing device, characterized in that comprises a. The method according to claim 1, The shank input unit 200 is a vibrating circular feeder 210, the direction sensor 220 for detecting the direction of the shank (S) to remove the reversely supplied shank from the transfer path, and the shank (S) index unit ( Drill tip automatic brazing device comprising a loader (240) for seating on the settled portion (110) of the 100. The method according to claim 2, The shank input unit 200 is a drill tip automatic brazing device, characterized in that further comprises a sorter 230 for detecting and removing the second-reversed shank is not supplied by the direction sensor 220. The method according to claim 2 or 3, The direction sensor 220 is a light is reflected on the edge (C) when the shank (S) is supplied upside down is supplied to the light receiving sensor 222 orthogonal to the corner (C) formed at one end of the shank (S) It is detected that the return, the air injection nozzle 224 to let the air is sprayed to drop below the trap 226 formed in the movement path so that only the shank (S) in the correct direction can be supplied to the drill Tip automatic brazing device. The method of claim 3, The sorter 230 is normal to the shank supplied upside down by the photosensor 232 for measuring the amount of light incident by narrowing up and down toward the edge of the shank bottom portion and radiating light over the entire width of the shank to the left and right. The shank fed in the direction is sorted, and the shank fed upside down is pushed to one side by the horizontal cylinder 234 and dropped under the shank guide 237 using the pushing cylinder 236 to be collected in the collecting tray, and normally supplied. The drill shank is pushed to the other side by the horizontal cylinder 234 to be supplied to the forced conveying tube 250 by using another pushing cylinder 238 to be supplied to the loader 240 by pneumatic pressure Automatic brazing device. The method according to claim 2, The loader 240 pushes the shank S supplied to the upper portion of the guide block 241 so as to seat the shank S supplied from the separator 230 one by one on the settled portion 110 of the index unit 100. When the horizontal movement is performed by the pushing block 243 attached to the cylinder 242 and aligned with the settling portion 110 of the index unit 100, the push-down cylinder 244 is driven so that the pushing pin 245 is lowered and the settling portion is lowered. Drill tip automatic brazing device, characterized in that to be seated on (110). The method according to claim 1, The flux supply unit 300 is a dispenser 310 containing the flux (F) is detachably mounted on the adapter 320, the dispenser 310 is lowered by the table cylinder 330, the nozzle at the bottom of the dispenser 310 322 is configured to abut on the shank S placed in the settled portion 110 of the index unit 100 to apply an appropriate amount of flux and then rise back to the original position, and the lower portion of the flux supply part 300 When the flux is applied, a push pin 340 for pushing up the shank S placed in the settling portion 110 of the index unit 100 is supported by the compression coil spring 350, and the push pin ( 340 is a drill tip automatic brazing device, characterized in that the lifting operation is made by the up / down cylinder (360). The method according to claim 1, The silver lead supply unit 400 cuts the silver lead L, which is in a thin strip state wound on the reel 410, and cuts it to a short length from a cutting machine 420 located on the upper part 110 of the index unit 100. Drill tip automatic brazing device, characterized in that one drop on the flux (F) over the shank (S) placed in (110). The method according to claim 8, The silver lead supply unit 400 includes a feed cylinder 430 for drawing the silver lead L in a strip state from the reel 410, two clamping cylinders 440 and 450 for clamping the silver lead L in a strip state, and a cutting. The cylinder 460 is provided on the upper side, and the lifting cylinder 470 for lowering the entire silver lead supply unit 400 except for the reel 410 at the cutting and mounting of the silver lead is provided on the lower side Drill tip automatic brazing device. The method according to claim 1, The tip supply unit 500 receives the vibrating circular feeder 510 and the tip T aligned in the circular feeder 510 through a tube 520 transported by free fall. Drill tip automatic brazing device, characterized in that consisting of a loader (530) for supplying to be opposed to the shank (S) mounted on the tooth (110). The method according to claim 10, The push-up cylinder 540 is installed at the lower portion of the loader 530 to push the shank S away from the settled portion 110 of the index unit 100 at the same time as the tip T is lowered. A drill tip automatic brazing device, characterized in that to push up the shank (S) fitted to the settled portion (110) of the index unit (100) while (542) is raised. The method of claim 11, The tip (T) and shank (S) pushed up and down by the push-down cylinder (536) and the push-up cylinder (540), respectively, are in close contact with the clamp (550) while maintaining a straight state. In this state, the automatic braiding device for a drill tip, characterized in that the brazing is made integrally by the brazing unit (600). The method according to claim 12, The clamp 550 includes a fixed jaw 551 in the form of a V-block and a movable jaw 552 that is removably installed in a position facing the fixed jaw 551, wherein the movable jaw 552 is a pneumatic cylinder. Advancing and retracting operation is performed by the 553, the automatic tip of the drill tip brazing device, characterized in that to bite and fix the shank (S) and the tip (T) at the same time. 14. The method of claim 13, The clamp 550 has a form in which the middle part is opened to one side to enter the loop type high frequency heating coil 620 for brazing, and the interval between the fixed jaw 551 and the movable jaw 552 is Drill tip automatic brazing device, characterized in that each adjustment screw (554,555) by adjusting. The method according to claim 14, The heating coil 620 of the brazing part 600 is fixed to the position where the shank S and the tip T are supplied and fitted into the settled part 110 of the index unit 100 into the heating coil 620. The shank S that was present is raised by the push-up cylinder 540 and the tip T is lowered by the push-down cylinder 536 and positioned inside the heating coil 620 by the clamp 550. Drill tip automatic brazing device, characterized in that the high frequency is applied brazing. The method according to claim 1, The blower unit 700 unloads the brazed product P from the index unit 100 to the outside, and the air is blown while stepping the seated product P on the turntable. Cooling unit 720 to cool by using, a test unit 730 for testing the brazing strength by using a load cell, and a loading unit 740 for loading the normal product tested in the test unit 730 Drill tip automatic brazing device, characterized in that made. 18. The method of claim 16, The unloader 710 is cooled by the first clamp 711 and the cooling unit 720 to transfer the product (P) placed in the mounting portion 110 of the index unit 100 to the cooling unit 720 A second clamp 712 for transferring the product P to the test unit 730 and a third clamp 713 for transferring the product P tested in the test unit 730 to the loading unit 740. , Each of the clamps (711, 712, 713) is the automatic tip of the drill tip braiding device characterized in that the lifting and the left and right conveying operation by the horizontal cylinder (714) and vertical cylinder (715) at the same time. 18. The method of claim 16, The cooling unit 720 is a turn table 722 formed with a plurality of radially recessed grooves 721 to cool the product (P) drawn from the index unit 100, and settled on the turn table 722 And a cooling air nozzle (723) for cooling by spraying air to the finished product. 18. The method of claim 16, The test unit 730 is a test bar 734 having a load cell 733 attached to a test clamp 732 operated by a cylinder 731 that carries a lower portion (shank portion) of the taken-out product P. And testing the strength of the brazing portion by applying a prescribed side pressure while driving the cylinder 735 against the upper side (tip portion) of the product and pushing it in one direction. 18. The method of claim 16, The loading part 740 has a cross groove 741a in which the product P transferred by the unloader 710 is seated, and the rotary plate 741 rotates horizontally and vertically by the rotary cylinder 744. And a push cylinder (743) for loading the product (P) lying horizontally on the cassette tray (742) by the rotary plate (741). As a method for automatically brazing the drill shank (S) and tip (T) made of different materials, Supplying the shank S to the seating part 110 of the index unit 100 that rotates horizontally at the first position P1 (S20); Applying an flux (F) on the shank (S) at the second position (P2) by rotating the index unit (S30); Rotating the index unit to cut and supply the silver solder L in a strip shape to a predetermined length on the shank S to which the flux F is applied at the third position P3 (S40); Rotating the index unit to supply a tip T on the shank S at the fifth position P4 (S50); Fixing the shank (S) and the tip (T) in the fifth position (P4) so as to be in contact with each other and brazing by high frequency induction heating (S60); And Rotating the index unit to take out the brazed product P at the sixth position P6 (S70); Drill tip automatic brazing method characterized in that it comprises a. 23. The method of claim 21, The step (S20) is a drill tip automatic brazing method comprising the step of leaving the shank supplied upside down in the supply path. 23. The method of claim 21, The step (S70) further comprises the step of taking out and cooling the brazing finished product (P) in the index unit and the step of testing the brazing strength, the drill tip automatic brazing method.

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