CN214602482U - Automatic welding device - Google Patents

Abstract

The utility model is suitable for a medical treatment dentistry cutter processing technology field discloses an automatic welding device, the device includes the workstation, still include the slip table subassembly, steel handle feed mechanism, steel handle weldment work mechanism, the welding mechanism, alloy feed mechanism, alloy weldment work mechanism and receiving agencies, slip table subassembly sliding connection is on the workstation, and be provided with steel handle weldment work mechanism on the slip table subassembly, steel handle feed mechanism, the welding mechanism, alloy feed mechanism, alloy weldment work mechanism and receiving agencies install on the workstation, steel handle weldment work mechanism and alloy weldment work mechanism are located welding mechanism's both sides, the slip table subassembly is used for driving steel handle weldment work mechanism and is close to or keeps away from welding mechanism. The utility model provides an automatic welding device, its automatic feeding and the automatic weld operation that can realize steel handle and alloy material have improved medical dentistry cutter welded efficiency, and the welding medical dentistry cutter semi-manufactured goods high quality that obtains.

Description

Automatic welding device

Technical Field

The utility model belongs to the technical field of medical treatment dentistry cutter processing, especially, relate to an automatic welding device.

Background

At present, the medical dental cutter is made of hard alloy, but because the cost of the raw material of the hard alloy is high, the hard alloy is generally used only for the blade part of the medical dental cutter, the steel is used for the handle part of the medical dental cutter, and the blade part and the handle part are welded to obtain a semi-finished product of the medical dental cutter. Medical dental cutting tool has different specifications, and when the handle part and the cutting part with different lengths are welded, the welding equipment needs to be adjusted to adapt to the handle part or the cutting part without the length specification, so that the operation is complex, the production efficiency is low, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least, provide an automatic welder, its automatic feeding and the automatic weld operation that can realize steel handle and alloy material have improved medical dental cutter welded efficiency, and the welding medical dental cutter semi-manufactured goods high quality that obtains.

The technical scheme of the utility model is that: an automatic welding device comprises a workbench, a sliding table assembly, a steel handle feeding mechanism, a steel handle welding working mechanism, a welding mechanism, an alloy feeding mechanism, an alloy welding working mechanism and a material receiving mechanism, wherein the sliding table assembly is connected to the workbench in a sliding mode and is provided with the steel handle welding working mechanism, the steel handle feeding mechanism, the welding mechanism, the alloy feeding mechanism, the alloy welding working mechanism and the material receiving mechanism are arranged on the workbench, the steel handle welding working mechanism and the alloy welding working mechanism are located on two sides of the welding mechanism, the sliding table assembly is used for driving the steel handle welding working mechanism to be close to or far away from the welding mechanism,

the steel handle welding working mechanism comprises a steel handle feeding assembly, a steel handle ejecting assembly and a steel handle pressing assembly, the steel handle feeding mechanism is used for orderly arranging and conveying steel handles to the steel handle feeding assembly, the steel handle feeding assembly is used for conveying the steel handles to the steel handle ejecting assembly, the steel handle ejecting assembly is used for pushing the steel handles to a welding position, and the steel handle pressing assembly is used for pressing the steel handles positioned at the welding position;

the alloy welding working mechanism comprises an alloy feeding assembly, an alloy ejecting assembly, an alloy pressing assembly, a soldering flux feeding assembly and a welding wire feeding assembly, wherein the alloy feeding assembly is used for orderly arranging and conveying alloy materials to the alloy feeding assembly, the alloy feeding assembly is used for conveying the alloy materials to the alloy ejecting assembly, the alloy ejecting assembly pushes the alloy materials to move so that the alloy materials are abutted to a steel handle at a welding position, the alloy pressing assembly is used for pressing the alloy materials abutted to the steel handle, the welding mechanism welds the abutted part of the steel handle and the alloy materials to form a semi-finished product of the medical dental cutter, in the process that the alloy ejecting assembly pushes the alloy materials to move towards the steel handle, the soldering flux feeding assembly is used for providing soldering flux for the alloy materials, and the welding wire feeding assembly is used for providing welding wires for the alloy materials, the welding wire is connected to the welding end face of the alloy material through the soldering flux, and the material receiving mechanism is used for receiving a semi-finished product of the medical dental cutter.

Optionally, the steel handle feeding assembly comprises a steel handle pushing block, a first feeding driving piece, a steel handle supporting seat and a steel handle material collecting box, the steel handle material collecting box is connected with the steel handle feeding mechanism through a first conveying pipe, the steel handle pushing block is arranged below the steel handle material collecting box, a steel handle discharging opening is arranged at the lower end of the steel handle material collecting box, a steel handle material accommodating groove is arranged below the steel handle material discharging opening of the steel handle pushing block, the steel handle supporting seat is arranged below the steel handle pushing block and is in contact with the steel handle pushing block, a first positioning groove is arranged in the steel handle supporting seat, and the first driving piece drives the steel handle pushing block to move so that the steel handle material accommodating groove is communicated with the first positioning groove;

the steel handle aggregate box comprises two first side plates, a first fixed end plate and a first movable end plate, wherein the first side plates are arranged oppositely, the first fixed end plate is fixedly connected with the same end of the first side plate respectively, and the first movable end plate is connected with the first side plates in a sliding mode and is used for adjusting the length of the steel handle aggregate box.

Optionally, the steel shank ejection assembly comprises a first ejector pin and a first ejection driving piece, the first ejector pin is arranged along the length direction of the first positioning groove, and the first ejection driving piece is used for driving the first ejector pin to push the steel shank located in the first positioning groove to a welding position; and/or the presence of a gas in the atmosphere,

the steel handle ejection assembly further comprises a first inductor used for inducing whether the steel handle is arranged in the first positioning groove or not.

Optionally, the steel shank swaging assembly comprises a first pressing arm, a first mounting seat, a first swaging driving piece and a first swaging piece, the middle of the first pressing arm is rotatably connected with the first mounting seat, one end of the first pressing arm is connected with the first swaging piece, the other end of the first pressing arm is connected with an output shaft of the first swaging driving piece, and the first swaging driving piece drives the first pressing arm to rotate so that the first swaging piece presses against the steel shank located at the welding position.

Optionally, the alloy feeding assembly comprises an alloy pushing block, a second feeding driving piece, an alloy supporting seat and an alloy collecting box, the alloy collecting box is connected with the alloy feeding mechanism through a second conveying pipe, the alloy pushing block is arranged below the alloy collecting box, an alloy discharging opening is formed in the lower end of the alloy collecting box, an alloy containing groove is formed in the alloy pushing block below the alloy discharging opening, the alloy supporting seat is arranged below the alloy pushing block and is in contact with the alloy pushing block, a second positioning groove is formed in the alloy supporting seat, and the second driving piece drives the alloy pushing block to move so that the alloy containing groove is communicated with the second positioning groove;

the alloy material collecting box comprises two second side plates, a second fixed end plate and a second movable end plate, wherein the two second side plates are arranged oppositely, the second fixed end plate is fixedly connected with the same end of each of the two second side plates respectively, and the second movable end plate is connected between the two second side plates in a sliding mode and used for adjusting the length of the alloy material collecting box.

Optionally, the alloy ejection assembly includes a second ejector pin and a second ejection driving member, the second ejector pin is disposed along the length direction of the second positioning groove, and the second ejection driving member is configured to drive the second ejector pin to push the alloy located in the second positioning groove to the welding position;

the alloy ejecting component also comprises a second inductor and an ejecting and breaking component, the second inductor is used for inducing whether alloy materials exist in the second positioning groove or not,

the top disconnected subassembly includes push pedal, guide arm and top disconnected driving piece, the guide arm is followed the length direction of second constant head tank sets up, the push pedal with sliding connection, top disconnected driving piece is used for the drive the push pedal is followed the guide arm slides, second liftout driving piece pass through the fixed plate with push pedal fixed connection is so that second liftout driving piece is along the push pedal motion.

Optionally, the alloy pressing assembly comprises a second pressing arm, a second mounting seat, a second pressing driving piece and a second pressing piece, the middle of the second pressing arm is rotatably connected with the second mounting seat, one end of the second pressing arm is connected with the second pressing piece, the other end of the second pressing arm is connected with an output shaft of the second pressing driving piece, and the second pressing driving piece drives the second pressing arm to rotate so that the second pressing piece presses the alloy material abutted to the steel handle at the welding position.

Optionally, the alloy supporting seat is connected with the scaling powder fixed block, the scaling powder fixed block is provided with the intercommunicating pore, the intercommunicating pore with the second constant head tank aligns so that the alloy material that is located in the second constant head tank can pass the intercommunicating pore, the scaling powder fixed block still includes scaling powder unloading hole and welding wire unloading hole, the scaling powder unloading hole with welding wire unloading hole respectively with the intercommunicating pore intercommunication, and following the length direction of second constant head tank, welding wire unloading hole is located and is close to one side of welding mechanism.

Optionally, the welding mechanism is a high-frequency welding machine, the high-frequency welding machine is mounted on the workbench through a first adjusting slide assembly, and the first adjusting slide assembly is used for adjusting the position of the high-frequency welding machine in the horizontal direction and the vertical direction; and/or

The alloy ejection assembly is installed on the workbench through a second adjusting sliding assembly, and the second adjusting sliding assembly comprises a rotating assembly, a height adjusting assembly arranged on the rotating assembly and a horizontal adjusting assembly arranged on the height adjusting assembly.

Optionally, the receiving mechanism includes a receiver, a receiving driving mounting seat, a moving block, a horizontal guide pillar, a collecting groove, and a receiving driving member, the receiving driving member is fixed on the workbench through the receiving driving mounting seat, the guide pillar is fixedly mounted on the receiving driving mounting seat, the moving block is slidably connected to the guide pillar, the receiver is fixedly connected to the moving block, the collecting groove is mounted on the workbench, the receiver is higher than the collecting groove, and the receiving driving member is configured to drive the moving block to move along the guide pillar so that the receiver moves between the receiving position and the collecting groove.

The utility model provides an automatic welding device, which can realize the automatic feeding and automatic welding operation of the steel handle and the alloy material, and effectively improve the production efficiency; meanwhile, according to the structure of the automatic welding device, when the automatic welding device is used for welding, air between the welding end faces of the steel handle and the alloy material can be discharged, so that the welding quality of the steel handle and the alloy material is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic welding device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an automatic welding device provided by an embodiment of the present invention without a steel shank feeding mechanism and an alloy feeding mechanism;

fig. 3 is a schematic structural diagram of a steel shank welding mechanism in an automatic welding device according to an embodiment of the present invention;

fig. 4 is another schematic structural diagram of a steel shank welding mechanism in an automatic welding device according to an embodiment of the present invention;

FIG. 5 is an enlarged schematic view at A in FIG. 4;

fig. 6 is a schematic structural view of the matching between a steel handle pushing block and a steel handle supporting seat in an automatic welding device according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an alloy welding mechanism in an automatic welding device according to an embodiment of the present invention;

FIG. 8 is an enlarged schematic view at B of FIG. 8;

fig. 9 is another schematic structural diagram of an alloy welding mechanism in an automatic welding device according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of an alloy welding mechanism in an automatic welding device according to an embodiment of the present invention;

fig. 11 is a schematic structural view illustrating a matching structure between an alloy pushing block and an alloy supporting seat in an automatic welding device according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a welder mechanism in an automatic welding device according to an embodiment of the present invention;

fig. 13 is a schematic structural view of a material receiving mechanism in an automatic welding device according to an embodiment of the present invention;

fig. 14 is a schematic structural view of a steel shank collecting box in an automatic welding device according to an embodiment of the present invention.

In the figure, 1-workbench, 2-sliding table assembly, 21-supporting sliding table, 22-material receiving mechanism, 3-steel handle feeding mechanism, 4-steel handle welding working mechanism, 40-first conveying pipe, 41-steel handle feeding assembly, 411-steel handle pushing block, 4111-steel handle material receiving groove, 412-first feeding driving piece, 413-steel handle supporting seat, 4131-first positioning groove, 4132-steel handle positioning block, 414-steel handle material collecting box, 4141-first side plate, 4142-first fixed end plate, 4143-first movable end plate, 42-steel handle ejecting assembly, 420-servo fixed block, 421-first ejector pin, 422-first ejecting driving piece, 423-gear transmission mechanism, 424-ejecting screw rod, 425-sliding block, 426-guide rail, 427-a first inductor, 43-a steel handle pressing component, 431-a first pressing arm, 432-a first mounting seat, 433-a first pressing driving component, 434-a first pressing piece, 5-a welding mechanism, 51-a first adjusting sliding component, 511-a base, 512-a first sliding seat, 513-a first adjusting screw rod, 514-a first adjusting mounting seat, 515-a second sliding seat, 516-a second adjusting screw, 517-a second adjusting mounting seat, 518-a vertical guide post, 519-a lifting sliding block, 520-a third adjusting screw rod, 521-a rotating cap, 522-a positioning sleeve, 523-a mounting plate, 524-a rotating disc, 52-a welding fixing plate, a 6-an alloy feeding mechanism, a 7-an alloy welding working mechanism and 70-a second conveying pipe, 71-alloy feeding component, 711-alloy pushing block, 7111-alloy containing groove, 712-second feeding driving component, 713-alloy supporting seat, 7131-second positioning groove, 7132-alloy positioning block, 7133-soldering flux fixing block, 7134-communication hole, 7135-soldering flux discharging hole, 7136-soldering wire discharging hole, 714-alloy collecting box, 72-alloy ejecting component, 721-second ejector pin, 722-second ejecting driving component, 723-ejector pin locking sleeve, 724-second inductor, 725-fixing plate, 73-alloy pressing component, 731-second pressing arm, 732-second mounting seat, 733-second pressing driving component, 734-second pressing component, 74-soldering flux feeding component, 714-welding gun, 742-welding gun fixing seat, 743-welding-assistant feeding driving piece, 75-welding wire feeding assembly, 751-wire feeder, 752-wire guide tube, 76-top-off assembly, 761-push plate, 762-guide rod, 763-top-off driving piece, 77-second adjusting sliding assembly, 771-rotating assembly, 772-height adjusting assembly, 7221-lower height adjusting block, 7222-upper height adjusting block, 7223-height adjusting mounting seat, 7224-differential head, 773-horizontal adjusting assembly, 8-material receiving mechanism, 81-material receiver, 82-material receiving driving mounting seat, 83-moving block, 84-horizontal guide column, 85-material collecting groove, 86-material receiving driving piece, 87-transition groove, 88-material pushing plate, 89-material pushing driving piece, 101-steel handle and 102-alloy material.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.

In addition, in the embodiments of the present invention, if there are terms of orientation or positional relationship indicated by "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., it is based on the orientation or positional relationship shown in the drawings or the conventional placement state or use state, and it is only for convenience of description and simplification of description, but does not indicate or imply that the structures, features, devices or elements referred to must have a specific orientation or positional relationship, nor must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.

As shown in fig. 1 and 2, an automatic welding device provided in an embodiment of the present invention includes a workbench 1, a sliding table assembly 2, a steel handle feeding mechanism 3, a steel handle welding mechanism 4, a welding mechanism 5, an alloy feeding mechanism 6, an alloy welding mechanism 7, and a material receiving mechanism 8, wherein the sliding table assembly 2 is slidably connected to the workbench 1, the sliding table assembly 2 is provided with the steel handle welding mechanism 4, the steel handle feeding mechanism 3, the welding mechanism 5, the alloy feeding mechanism 6, the alloy welding mechanism 7, and the material receiving mechanism 8 are mounted on the workbench 1, the steel handle welding mechanism 4 and the alloy welding mechanism 7 are located at two sides of the welding mechanism 5, the sliding table assembly 2 is used for driving the steel handle welding mechanism 4 to be close to or far away from the welding mechanism 5,

as shown in fig. 3 and 4, the steel shank welding working mechanism 4 includes a steel shank feeding assembly 41, a steel shank ejecting assembly 42 and a steel shank pressing assembly 43, the steel shank feeding mechanism 3 is used for orderly arranging and conveying the steel shanks 101 to the steel shank feeding assembly 41, the steel shank feeding assembly 41 is used for conveying the steel shanks 101 to the steel shank ejecting assembly 42, the steel shank ejecting assembly 42 is used for pushing the steel shanks 101 to the welding position, and the steel shank pressing assembly 43 is used for pressing the steel shanks 101 located at the welding position;

as shown in fig. 5, 9 and 10, the alloy welding working mechanism 7 comprises an alloy feeding assembly 71, an alloy ejecting assembly 72, an alloy pressing assembly 73, a soldering flux feeding assembly 74 and a welding wire feeding assembly 75, the alloy feeding mechanism 6 is used for orderly arranging and feeding the alloy materials 102 to the alloy feeding assembly 71, the alloy feeding assembly 71 is used for feeding the alloy materials 102 to the alloy ejecting assembly 72, the alloy ejecting assembly 72 pushes the alloy materials 102 to move so that the alloy materials are abutted against a steel shank at a welding position, the alloy pressing assembly 73 is used for pressing the alloy materials 102 abutted against the steel shank 101 (as shown in fig. 8), the welding mechanism 5 is used for welding the abutted part of the steel shank and the alloy materials to form a semi-finished product of the medical dental cutter, and the soldering flux feeding assembly 74 is used for providing soldering flux for the alloy materials during the process that the alloy ejecting assembly 72 pushes the alloy materials to move towards the steel shank, the welding wire feeding assembly 75 is used for supplying welding wire for the alloy material, the welding wire is attached (bonded) on the welding end face of the alloy material through scaling powder, and the receiving mechanism 8 is used for receiving the medical dental cutter semi-finished product after welding.

Drive steel shank weldment work mechanism 4 through setting up slip table subassembly 2 and move, come the distance between control steel shank weldment work mechanism 4 and the alloy weldment work mechanism 7, after the welding is accomplished, receiving agencies 8 can move to between steel shank weldment work mechanism 4 and the alloy weldment work mechanism 7, be convenient for receive medical dental cutter semi-manufactured goods, in order to realize the automatic feeding to steel shank and alloy material, welding and unloading work, reduce operating personnel and participate in welded degree, thereby reduce working strength effectively, and the production efficiency is improved.

In particular applications, the flux feeding assembly 74 may also be used to provide flux to the steel shank, and the wire feeding assembly 75 may also be used to provide wire to the steel shank, where the wire is attached (bonded) to the welding end face of the steel shank by the flux.

Alternatively, as shown in fig. 3, 4 and 6, the steel shank feeding assembly 41 includes a steel shank pushing block 411, a first feeding driving member 412, a steel shank supporting seat 413 and a steel shank collecting box 414, the steel shank collecting box 414 is connected to the steel shank feeding mechanism 3 through a first conveying pipe 40, the steel shank pushing block 411 is disposed below the steel shank collecting box 414, a steel shank discharging opening is disposed at a lower end of the steel shank collecting box 414, the steel shank pushing block 411 is disposed below the steel shank discharging opening and provided with a steel shank receiving groove 4111 (i.e. after the steel shank enters the steel shank collecting box 414, the steel shank can directly fall into the steel shank receiving groove 4111 through the steel shank discharging opening), the steel shank supporting seat 413 is disposed below the steel shank pushing block 411, and the steel shank supporting seat 413 is in contact with the steel shank pushing block 411, the steel shank supporting seat 413 can be provided with a first groove 4131, the first feeding driving member 412 drives the steel shank pushing block 411 to move relative to the steel shank supporting seat 413, so that the trough 4111 is communicated with the first positioning groove 4131, and the steel handle falls into the first positioning groove 4131 below from the trough 4111, i.e. the trough 4111 is vertically communicated with the steel handle. When the steel handle accommodating groove 4111 and the first positioning groove 4131 are dislocated, because the steel handle pushing block 411 is located on the steel handle supporting seat 413, the steel handle supporting seat 413 can plug the lower end of the steel handle accommodating groove 4111, so that the steel handle is prevented from falling out of the steel handle accommodating groove 4111. And when the steel handle pushing block 411 is communicated with the first positioning groove 4131, the steel handle pushing block 411 blocks the steel handle feed opening.

In specific application, before the first feeding driving member 412 moves, the steel handle material accommodating groove 4111 is staggered with the steel handle blanking opening, the steel handle material pushing block 411 blocks the steel handle blanking opening, when the first feeding driving member 412 drives the steel handle material pushing block 411 to move towards the first positioning groove 4131, the steel handle material accommodating groove 4111 is firstly communicated with the steel handle blanking opening, the steel handle enters the steel handle material accommodating groove 4111, the first feeding driving member 412 continues to drive the steel handle material pushing block 411 to move towards the first positioning groove 4131 until the steel handle material accommodating groove 4111 is communicated with the first positioning groove 4131, and the steel handle enters the first positioning groove 4131.

Specifically, the steel handle material collecting box 414 includes two first side plates 4141, a first fixed end plate 4142 and a first movable end plate 4143, the two first side plates 4141 are disposed opposite to each other, the first fixed end plate 4142 is fixedly connected to the same end of the two first side plates 4141, and the first movable end plate 4143 is slidably connected between the two first side plates 4141 for adjusting the length of the steel handle material collecting box 414. The length of the steel handle collecting box 414 can be adjusted by the first movable end plate 4143 aiming at the steel handles with different lengths, so that the length of the steel handle collecting box 414 is matched with the length of the steel handles, and the welding of the steel handles with different lengths is met.

In some embodiments, the two first side plates and the first fixed end plate are of a U-shaped integral structure, the U-shaped integral structure is kept still, and the length of the steel handle collecting box can be adjusted by moving the first movable end plate.

In some embodiments, as shown in fig. 14, the first movable end plate 4143 is connected to one of the first side plates 4141 to form an L-shaped structure, the first fixed end plate 4142 and the other first side plate 4141 are fixed differently, and the length of the steel shank collecting box 414 can be adjusted by moving the L-shaped structure, or the first fixed end plate is fixed and the other first side plate can be used as a replacing member, and a plurality of replacing members (first side plates) with different lengths are arranged, and the corresponding replacing member is replaced along with the change of the distance between the first movable end plate and the first fixed end plate in the L-shaped structure.

Specifically, the first feeding driving element 412 may be an air cylinder, a piston rod of the air cylinder is connected to the steel handle material pushing block 411, and the steel handle material pushing block 411 is driven to move by controlling the extension and retraction of the piston rod of the air cylinder.

Specifically, the steel shank receiving groove 4111 can only receive one steel shank at a time.

Specifically, as shown in fig. 3, 4 and 6, the first positioning groove 4131 may be disposed on a steel handle positioning block 4132, and the steel handle supporting seat 413 is provided with a first mounting groove for receiving the steel handle positioning block 4132, and the steel handle positioning block 4132 is detachably connected to the steel handle supporting seat 413 through the first mounting groove. In practical application, a plurality of steel handle positioning blocks 4132 with different first positioning groove 4131 sizes can be configured, so that when steel handles with different diameters are welded, only the steel handle positioning blocks 4132 with corresponding sizes need to be replaced.

Specifically, the first seating groove 4131 may have a V-shaped, U-shaped, semicircular or the like cross section.

Optionally, as shown in fig. 3 and 4, the steel shank ejector assembly 42 includes a first ejector pin 421 and a first ejector driving member 422, the first ejector pin 421 is disposed along a length direction of the first positioning groove 4131, and the first ejector driving member 422 is configured to drive the first ejector pin 421 so as to push the steel shank located in the first positioning groove 4131 to the welding position. When the welding to different length steel handles, can also be through the distance of adjusting first thimble 421 towards the motion of steel handle, can be with the steel handle propelling movement of different length to the welding position, whole adjustment process is simple rapid, convenient to use.

Specifically, as shown in fig. 3 and fig. 4, the first ejector driving element 422 may be a servo motor, the servo motor is mounted on the sliding table assembly 2 through a servo fixing block 420, an output shaft of the servo motor is connected with an ejector lead screw 424 through a gear transmission 423, a sliding block 425 is connected to the ejector lead screw 424 through a thread, and the sliding block 425 is further connected with the sliding table assembly 2 through a guide rail 426 in a sliding manner, that is, the guide rail 426 is fixedly disposed on the sliding table assembly 2, wherein the first ejector pin 421 is fixed on the sliding block 425, and the sliding block 425 is driven to move along the guide rail 426 by controlling the servo motor to rotate in the forward and reverse directions, so as to drive the first ejector pin 421 to move.

As another embodiment, the first ejector driving element 422 may also be an air cylinder, a piston rod of the air cylinder is connected to a sliding block 425, the sliding block 425 is further connected to the sliding table assembly 2 in a sliding manner through a guide rail 426, the first ejector pin 421 is fixed to the sliding block 425, and the sliding block 425 is driven to move along the guide rail 426 by controlling the extension and contraction of the piston rod of the air cylinder, so as to drive the first ejector pin 421 to move.

Optionally, as shown in fig. 3 and 4, the steel shank jacking assembly 42 further comprises a first sensor 427, the first sensor 427 may be disposed above the first locator groove 4131, the first sensor 427 is used to sense whether the steel shank is present in the first locator groove 4131. When the first sensor 427 does not sense that the steel handle exists in the first positioning groove 4131, the first sensor 427 feeds back the sensing result to the first feeding driving member 412, and the first feeding driving member 412 drives the steel handle pushing block 411 to move so as to convey the steel handle to the first positioning groove 4131. If the first inductor 427 does not induce the steel handle in the first positioning groove 4131 for five times, the automatic welding device is triggered to stop and give an alarm. In practical applications, the condition that the first sensor 427 triggers the automatic welding device to stop alarming may be set according to practical situations; when the first sensor 427 senses that the steel handle exists in the first positioning groove 4131, the first sensor 427 feeds back a sensing result to the first ejecting driving member 422, and the first ejecting driving member 422 moves. Wherein the actions of the first ejector driving member 422 are: the first ejector driving member 422 drives the first ejector pin 421 to move towards the welding mechanism 5, the steel handle in the first positioning groove 4131 is pushed to a welding position, and after the steel handle pressing assembly 43 presses the steel handle, the first ejector driving member 422 drives the first ejector pin 421 to return to wait for the next action.

Optionally, as shown in fig. 3, 4 and 6, the steel shank swaging assembly 43 includes a first swaging arm 431, a first mounting seat 432, a first swaging driving member 433 and a first swaging member 434, a middle portion of the first swaging arm 431 is rotatably connected to the first mounting seat 432, one end of the first swaging arm 431 is connected to the first swaging member 434, the other end of the first swaging arm 431 is connected to the output shaft of the first swaging driving member 433, and the first swaging driving member 433 drives the first swaging arm 431 to rotate relative to the first mounting seat 432, so that the first swaging member 434 presses against the steel shank in the welding position, wherein the first positioning groove 4131 extends to below the first swaging member 434, thereby ensuring a swaging effect on the steel shank in the welding position.

Specifically, the first pressing driving member 433 may be an air cylinder, a piston rod of the air cylinder is connected to the first pressing arm 431, and the first pressing arm 431 is driven to rotate relative to the first mounting seat 432 by controlling the extension of the piston rod of the air cylinder, so as to control the first pressing member 434 to press the alloy material or loosen the steel handle.

Alternatively, as shown in fig. 7, 9, 10 and 11, the alloy feeding assembly 71 includes an alloy pushing block 711, a second feeding driving member 712, an alloy supporting seat 713 and an alloy collecting box 714, the alloy collecting box 714 is connected to the alloy feeding mechanism 6 through a second conveying pipe 70, the alloy pushing block 711 is disposed below the alloy collecting box 714, an alloy feeding opening is disposed at a lower end of the alloy collecting box 714, the alloy pushing block 711 is disposed below the alloy feeding opening and provided with an alloy containing groove 7111 (i.e., after the alloy enters the alloy collecting box 714, the alloy falls into the alloy containing groove 7111 directly through the alloy feeding opening), the alloy supporting seat 713 is disposed below the alloy pushing block 711, and the alloy supporting seat 713 contacts with the alloy pushing block 711, the alloy supporting seat 713 is provided with a second positioning groove 7131, the second feeding driving member 712 drives the alloy pushing block 711 to move relative to the alloy supporting seat 713, so that the alloy holding groove 7111 is communicated with the second positioning groove 7131, the alloy falls into the second positioning groove 7131 below from the alloy holding groove 7111, namely the alloy holding groove 7111 is in a structure which is communicated up and down in the vertical direction. When the alloy containing groove 7111 and the second positioning groove 7131 are dislocated, the alloy supporting seat 713 blocks the lower end of the alloy containing groove 7111 because the alloy pushing block 711 is positioned on the alloy supporting seat 713, so that the alloy material is prevented from falling out of the alloy containing groove 7111. And when the alloy pushing block 711 is communicated with the second positioning groove 7131, the alloy pushing block 711 blocks the alloy feeding hole.

In a specific application, before the second feeding driving member 712 operates, the alloy containing groove 7111 is staggered with the alloy discharging opening, the alloy pushing block 711 blocks the alloy discharging opening, when the second feeding driving member 712 drives the alloy pushing block 711 to move towards the second positioning groove 7131, the alloy containing groove 7111 is firstly communicated with the alloy discharging opening, the alloy enters the alloy containing groove 7111, the second feeding driving member 712 continues to drive the alloy pushing block 711 to move towards the second positioning groove 7131 until the alloy containing groove 7111 is communicated with the second positioning groove 7131, and the alloy enters the second positioning groove 7131.

Specifically, the alloy material collecting box 714 includes two second side plates, a second fixed end plate and a second movable end plate (not shown in the figure), the two second side plates are arranged oppositely, the second fixed end plate is fixedly connected with the same end of the two second side plates, and the second movable end plate is slidably connected between the two second side plates for blending the length of the alloy material collecting box 714. For alloy materials with different lengths, the length of the alloy collection box 714 can be adjusted through the second movable end plate, so that the length of the alloy collection box 714 is matched with the length of the alloy materials. The structure of the alloy collecting box 714 is similar to that of the steel shank collecting box 414, and the function of the alloy collecting box 714 is the same as that of the steel shank collecting box 414. The lengths of the steel shank collecting box 414 and the alloy collecting box 714 are adjusted, so that the welding of steel shanks with different lengths and alloy materials with different lengths is realized.

Specifically, the second feeding driving member 712 may be an air cylinder, a piston rod of the air cylinder is connected to the alloy pushing block 711, and the alloy pushing block 711 is driven to move by controlling the extension and retraction of the piston rod of the air cylinder.

Specifically, the alloy holding tank 7111 can hold only one alloy at a time.

Specifically, as shown in fig. 7, 8, 9 and 11, the second positioning groove 7131 may be disposed on an alloy positioning block 7132, and the alloy supporting base 713 is provided with a second mounting groove for receiving the alloy positioning block 7132, and the alloy positioning block 7132 is detachably connected to the alloy supporting base 713 through the second mounting groove. In practical application, a plurality of alloy positioning blocks 7132 with different sizes of the second positioning grooves 7131 can be arranged, so that when alloy materials with different diameters are welded, only the alloy positioning blocks 7132 with corresponding sizes need to be replaced.

Specifically, the cross section of the second positioning groove 7131 may be V-shaped, U-shaped, or semicircular.

Optionally, as shown in fig. 9, the alloy ejecting assembly 72 includes a second ejector pin 721 and a second ejector driving member 722, the second ejector pin 721 is disposed along the length direction of the second positioning groove 7131, and the second ejector driving member 722 is configured to drive the second ejector pin 721 to push the alloy material located in the second positioning groove 7131 to the welding position, so that the welding end face of the alloy material abuts against the welding end face of the steel shank. When welding to the alloy material of different length, can also be through adjusting the distance that second thimble 721 moves towards the alloy material, can be with the alloy material propelling movement of different length to the welding position for the welding terminal surface of alloy material and the butt joint of the welding terminal surface of steel handle, whole adjustment process is simple rapid, convenient to use.

Specifically, as shown in fig. 9, the second ejector driving member 722 may be an air cylinder, and the second ejector pin 721 is connected to a piston rod of the air cylinder through an ejector pin lock sleeve 723, and the second ejector pin 721 is driven to move by controlling the extension and contraction of the piston rod of the air cylinder.

Optionally, as shown in fig. 7, 9 and 10, the alloy ejecting assembly 72 further includes a second inductor 724, the second inductor 724 may be disposed above the second positioning groove 7131, and the second inductor 724 is configured to sense whether an alloy material is present in the second positioning groove 7131. When the second sensor 724 does not sense that the alloy material exists in the second positioning groove 7131, the second sensor 724 feeds a sensing result back to the second feeding driving member 712, and the second feeding driving member 712 drives the alloy pushing block 711 to move, so as to convey the alloy material to the second positioning groove 7131. If the second inductor 724 does not induce alloy materials in the second positioning groove 7131 for five times, the automatic welding device is triggered to stop and give an alarm. In practical application, the condition that the second sensor 724 triggers the automatic welding device to stop alarming can be set according to practical conditions; when the second sensor 724 senses that the alloy material exists in the second positioning groove 7131, the second sensor 724 feeds a sensing result back to the second ejecting driving piece 722, the second ejecting driving piece 722 drives the second ejector pin 721 to move towards the welding mechanism 5, the alloy material in the second positioning groove 7131 is pushed to a welding position to move, and the alloy material pressing assembly 73 presses the alloy material until the welding surface of the alloy material abuts against the welding surface of the steel handle.

Alternatively, as shown in fig. 7 to 9, the alloy swaging assembly 73 includes a second pressing arm 731, a second mounting seat 732, a second swaging driving part 733, and a second swaging part 734, a middle portion of the second pressing arm 731 is rotatably connected to the second mounting seat 732, one end of the second pressing arm 731 is connected to the second swaging part 734, the other end of the second pressing arm 731 is connected to an output shaft of the second swaging driving part 733, and the second swaging driving part 733 drives the second pressing arm 731 to rotate relative to the second mounting seat 732, so that the second swaging part 734 presses the alloy material abutting against the steel shank. Wherein, the second positioning groove 7131 extends to the lower part of the second pressing piece 734, thereby ensuring the pressing effect on the alloy material at the welding position.

Specifically, the second pressing driving part 733 may be an air cylinder, a piston rod of the air cylinder is connected to the second pressing arm 731, and the second pressing arm 731 is driven to rotate relative to the second mounting seat 732 by controlling the extension and contraction of the piston rod of the air cylinder, so as to control the second pressing member 734 to press the alloy material or loosen the alloy material.

Alternatively, as shown in fig. 11, the alloy supporting seat 713 is connected with a flux fixing block 7133, the flux fixing block 7133 is provided with a communication hole 7134, the communication hole 7134 is aligned with the second positioning groove 7131 so that the alloy material located in the second positioning groove 7131 can pass through the communication hole 7134, the flux fixing block 7133 is further provided with a flux blanking hole 7135 and a wire blanking hole 7136, the flux blanking hole 7135 and the wire blanking hole 7136 are respectively communicated with the communication hole 7134, and the wire blanking hole 7136 is located at a side close to the welding mechanism 5 along the length direction of the second positioning groove 7131. The soldering flux feeding assembly 74 and the welding wire feeding assembly 75 inject soldering flux and welding wire into the communicating hole 7134 through the soldering flux discharging hole 7135 and the welding wire discharging hole 7136 respectively, in the process that the alloy material penetrates through the communicating hole 7134, the welding surface of the alloy material is firstly contacted with the soldering flux, the soldering flux is attached to the welding end face of the alloy material, the welding wire is contacted with the alloy material along with the continuous movement of the alloy material towards the steel handle, meanwhile, the welding wire is adhered to the welding end face of the alloy material through the soldering flux, and when the welding end face of the alloy material is staggered with the welding wire discharging hole 7136, the welding wire is cut off by the welding end face of the alloy material.

Optionally, as shown in fig. 7, the soldering flux feeding assembly 74 includes a soldering gun 741, a soldering gun fixing seat 742 and a soldering flux feeding driving member 743, the soldering gun 741 is configured to hold the soldering flux, the soldering gun 741 is installed on the workbench 1 through the soldering gun fixing seat 742, a discharge port of the soldering gun 741 is communicated with the soldering flux blanking hole 7135, and the soldering flux feeding driving member 743 controls the soldering gun 741 to deliver the soldering flux to the soldering flux blanking hole 7135. The welding gun 741 can be in a structure similar to an injector, the soldering flux feeding driving piece 743 is an air cylinder, and when a piston rod of the air cylinder extends outwards, the welding gun 741 can be extruded to discharge soldering flux to the soldering flux blanking hole 7135.

Alternatively, as shown in fig. 7 and 9, the wire feeding assembly 75 includes a wire feeder 751 and a guidewire tube 752, and the wire feeder 751 and the wire feed aperture 7136 are connected by the guidewire tube 752. The wire feeder 751 may include a motor, a roller and a wire feeding holder, the wire feeding holder is installed on the work table 1, the roller is rotatably connected to the wire feeding holder, a welding wire is wound around the roller, and the motor is installed on the wire feeding holder for driving the rolling rotation to guide the welding wire to the communication hole 7134 of the flux fixing block 7133.

Optionally, as shown in fig. 7 and 10, the alloy ejecting assembly 72 further includes an ejecting assembly 76, the ejecting assembly 76 includes a push plate 761, a guide rod 762 and an ejecting driving member 763, the guide rod 762 is disposed along the length direction of the second positioning slot 7131, the push plate 761 is slidably connected to the guide rod 762, the ejecting driving member 763 is configured to drive the push plate 761 to slide along the guide rod 762, the second ejecting driving member 722 is fixedly connected to the push plate 761 through the fixing plate 725, and when the ejecting driving member 763 is configured to drive the push plate 761 to slide along the guide rod 762, the second ejecting driving member 722 moves along with the push plate 761. With this arrangement, it is possible to prevent the wire from being cut when the alloy passes through the communication hole 7134 due to insufficient power of the second ejector driving member 722. With the top break assembly 76, the alloy topping assembly 72 works specifically as follows: when the second sensor 724 senses that the alloy material exists in the second positioning groove 7131, the second sensor 724 feeds a sensing result back to the ejecting and driving member 763, the ejecting and driving member 763 drives the push plate 761 to move toward the welding mechanism 5, the second ejecting and driving member 722 moves along with the push plate 761, the second thimble 721 gradually approaches the alloy material in the second positioning groove 7131, when the second thimble 721 contacts with the alloy material, the second thimble 721 pushes the alloy material to move towards the welding mechanism 5, and during the movement of the alloy material towards the welding mechanism 5, flux and wire are sequentially provided to the alloy by flux and wire feeding assemblies 74 and 75, and when the alloy cuts the wire, the top-break drive 763 stops, meanwhile, the second ejection driving piece 722 acts to continuously push the alloy material to move towards the welding mechanism 5 until the welding end face of the alloy material abuts against the welding end face of the steel handle.

Specifically, the top-off drive 763 may be a pneumatic cylinder or an electric servo motor.

Alternatively, as shown in fig. 12, the welding mechanism 5 is a high-frequency welding machine, the high-frequency welder is mounted on the table 1 by a first adjustment slide assembly 51, and the first adjustment slide assembly 51 is used to adjust the position of the high-frequency welder in the horizontal direction and the vertical direction. Wherein, the butt joint of the steel handle and the alloy material is positioned in a heating coil of the high-frequency welding machine.

Specifically, as shown in fig. 12, the first adjusting slide assembly 51 includes a base 511, a first slide carriage 512, a first adjusting screw 513, a first adjusting mount 514, a second slide carriage 515, a second adjusting screw 516, a second adjusting mount 517, a vertical guide column 518, a lifting slide 519, and a third adjusting screw 520, the base 511 is fixed on the mount table 1, the first slide carriage 512 is slidably connected to the base 511, the second base 511 is slidably connected to the first base 511, and the moving directions of the first base 511 and the second base 511 are perpendicular to each other. Wherein,

the first adjusting mounting seat 514 is fixed on the base 511, the first adjusting mounting seat 514 is provided with a first mounting hole, one end of the first adjusting screw 513 is connected with a rotating cap 521, the first adjusting screw 513 passes through the first mounting hole to be rotatably connected with the first adjusting mounting seat 514, the first adjusting screw 513 is further fixed with a positioning sleeve 522, wherein the distance between the rotating cap 521 and the positioning sleeve 522 is equal to or slightly greater than the length of the first mounting hole, one end of the first adjusting screw 513 is in threaded connection with the first sliding seat 512, and the first sliding seat 512 can be pushed to move relative to the base 511 by rotating the first adjusting screw 513;

the second adjusting mounting base 517 is fixed on the first sliding base 512, the second adjusting mounting base 517 is provided with a second mounting hole, one end of the second adjusting screw rod is connected with a rotating cap 521, the second adjusting screw rod 516 passes through the second mounting hole to be rotatably connected with the second adjusting mounting base 517, the second adjusting screw rod 516 is further fixed with a positioning sleeve 522, wherein the distance between the rotating cap 521 and the positioning sleeve 522 is equal to or slightly greater than the length of the second mounting hole, one end of the second adjusting screw rod 516 is in threaded connection with the second sliding base 515, and the second sliding base 515 can be pushed to move relative to the base 511 by rotating the second adjusting screw rod 516;

the vertical guide post 518 is vertically disposed, one end of the vertical guide post 518 is fixedly connected to the second slide base 515, the other end of the vertical guide post is fixedly connected to the mounting plate 523, the lifting slide block 519 is provided with a third mounting hole, the vertical guide post 518 passes through the third mounting hole, so that the lifting slide block 519 can move along the vertical guide post 518, the lifting slide block 519 is located between the first slide carriage 512 and the mounting plate 523, the mounting plate 523 is provided with a fourth mounting hole, the lifting slide blocks 519 are all provided with threaded holes, one end of the third adjusting screw 520 is connected with a rotating disk 524, the third adjusting screw 520 passes through the fourth mounting hole, the third adjusting screw 520 is further fixed with a positioning sleeve 522, wherein the distance between the rotating disc 524 and the positioning sleeve 522 is equal to or slightly greater than the length of the fourth mounting hole, the third adjusting screw 520 passes through the fourth mounting hole and then is in threaded connection with the lifting slide 519 through a threaded hole, the lifting slide block 519 can be driven to move along the vertical guide post 518 by rotating the third adjusting screw 520;

as shown in fig. 12, the high frequency welding machine is connected to the lifting slide 519 through the welding fixing plate 52, so that the high frequency welding machine can move along with the lifting slide 519, thereby realizing the adjustment of the position of the high frequency welding machine.

Alternatively, as shown in fig. 7, 9 and 10, the alloy topping assembly 72 is mounted on the work table 1 by a second adjustment slide assembly 77, and the second adjustment slide assembly 77 includes a rotating assembly 771, a height adjustment assembly 772 provided on the rotating assembly 771, and a horizontal adjustment assembly 773 provided on the height adjustment assembly 772. The height adjusting assembly 772 comprises an upper height adjusting block 7722, a lower height adjusting block 7721, a height adjusting mounting seat 7723 and a differential head 7724, wherein the two height adjusting blocks are arranged in a stacked mode, the contact surfaces of the two height adjusting blocks are inclined surfaces, the height adjusting mounting seat 7223 is fixedly mounted on the lower height adjusting block 7721, the differential head 7224 is mounted on the height adjusting mounting seat 7223, and the upper height adjusting block 7722 is pushed to move relative to the lower height adjusting block 7721 by rotating the differential head 7224;

the horizontal adjusting assembly 773 includes a horizontal sliding block, a horizontal guide rail, a horizontal mounting seat and a horizontal adjusting screw, the horizontal sliding block is slidably connected with the upper height adjusting 7722 through the horizontal guide rail, the horizontal guide rail is arranged along the length direction of the second thimble 721, the horizontal mounting seat is fixed on the upper height adjusting 7722, the horizontal mounting seat is provided with a fifth mounting hole, one end of the horizontal adjusting screw is connected with a rotating cap 521, the horizontal adjusting screw passes through the fifth mounting hole to be rotatably connected with the horizontal mounting seat, the horizontal adjusting screw is further fixed with a positioning sleeve 522, wherein the distance between the rotating cap 521 and the positioning sleeve 522 is equal to or slightly greater than the length of the fifth mounting hole, one end of the horizontal adjusting screw is in threaded connection with the horizontal sliding block, and the horizontal sliding block can be pushed to move relative to the upper height adjusting block by rotating the horizontal adjusting screw.

Optionally, as shown in fig. 13, the receiving mechanism 8 includes a receiver 81, a receiving driving mounting seat 82, a moving block 83, a horizontal guide pillar 84, a receiving slot 85, and a receiving driving element 86, the receiving driving element 86 is fixed on the workbench 1 through the receiving driving mounting seat 82, the receiving driving mounting seat 82 is fixedly mounted with the horizontal guide pillar 84, the moving block 83 is slidably connected with the horizontal guide pillar 84, the receiver 81 is fixedly connected with the moving block 83, the receiving slot 85 is mounted on the workbench 1, the receiver 81 is higher than the receiving slot 85, and the receiving driving element 86 is configured to drive the moving block 83 to move along the horizontal guide pillar 84 so that the receiver 81 moves between the receiving position and the receiving slot 85. The material receiving driving member 86 may be an air cylinder, a piston rod of the air cylinder is connected to the moving block 83, and the moving block 83 is driven to move along the horizontal guide post 84 by controlling the extension and contraction of the piston rod of the air cylinder, so as to drive the material receiver 81 to move.

In practice, as shown in fig. 13, in order to avoid the moving path of the material receiving device 81 being too long, a transition groove 87 may be provided above the material collecting groove 85, wherein the transition groove 87 and the material collecting groove 85 are kept stationary with respect to the worktable 1, so that the material receiving device 81 only needs to move between the material receiving position and the transition groove 87.

Specifically, as shown in fig. 13, a pushing plate 88 and a pushing driving member 89 are disposed in the material collecting groove 85, and the pushing plate 88 can slide in the material collecting groove 85 under the action of the pushing driving member 89 to collect the semi-finished medical dental tools in the material collecting groove 85 to one end of the material collecting groove 85, so as to facilitate sorting of the semi-finished medical dental tools. The pushing driving part 89 is a cylinder, a piston rod of the cylinder is connected with the pushing plate 88, and the pushing plate 88 slides in the material collecting groove along with the expansion of the piston rod of the cylinder; or, the pushing driving part is a motor, an output shaft of the motor is in transmission connection with a transmission screw rod through a gear transmission mechanism, the transmission screw rod is arranged along the length direction of the material collecting groove 85, the upper end of the pushing plate 88 is provided with a connecting piece, the connecting piece is in threaded connection with the screw rod, and when the motor drives the screw rod to rotate, the connecting piece can move along the screw rod, so that the pushing plate 88 is driven to slide in the material collecting groove 85. Wherein, the surface of the material pushing plate 88 contacting with the semi-finished product of the medical dental cutter is an inclined surface.

Optionally, as shown in fig. 2, the sliding table assembly 2 includes a supporting sliding table 21 and a sliding table driving element 22, the supporting sliding table 21 is slidably connected to the working table 1 through a sliding rail, the steel handle feeding assembly 41, the steel handle ejecting assembly 42 and the steel handle pressing assembly 43 are disposed on the supporting sliding table 21, and the sliding table driving element 22 is configured to drive the supporting sliding table 21 to move. Specifically, the sliding table driving element 22 is a driving motor, an output shaft of the driving motor is connected with a sliding table lead screw through a gear transmission mechanism, and meanwhile, the sliding table lead screw is in threaded connection with the supporting sliding table 21, so that the driving motor drives the sliding table lead screw to rotate, and the supporting sliding table 21 can move along the sliding rail along with the rotation of the sliding table lead screw.

Alternatively, the steel handle feeding mechanism 3 and the alloy feeding mechanism 6 are vibrating disk feeding machines, wherein the first conveying pipe 40 may adopt a telescopic pipe structure in order to avoid the movement of the sliding table assembly 2 from affecting the connection between the steel handle feeding mechanism 3 and the steel handle collecting box 414. As another embodiment, the steel shank feeding mechanism 3 may be mounted on the slide table assembly 2.

The utility model also provides a welding method adopts above-mentioned automatic welder, including following step:

s1, the sliding table component 2 drives the steel handle welding working mechanism 4 to move to a setting position towards the welding mechanism 5, the steel handle feeding mechanism 3 conveys a steel handle to the steel handle feeding component 41, the steel handle feeding component 41 conveys the steel handle to the steel handle ejecting component 42, the steel handle ejecting component 42 pushes the steel handle to a welding position, the steel handle at the welding position is pressed tightly through the steel handle pressing component 43, and meanwhile, the steel handle ejecting component 42 returns; the specific process is as follows:

the sliding table driving member 22 drives the supporting sliding table 21 to move to a set position along the sliding rail, the steel handle feeding mechanism 3 is started, the steel handle is conveyed to the steel handle collecting box 414 through the first conveying pipe 40, the steel handle enters the steel handle collecting box 414 and falls into the steel handle containing groove 4111 below the steel handle through the steel handle blanking port, the first feeding driving member 412 drives the steel handle pushing block 411 to move, the steel handle containing groove 4111 is communicated with the first positioning groove 4131, the steel handle falls into the first positioning groove 4131, when the first sensor 427 senses that the steel handle exists in the first positioning groove 4131, the first sensor 427 feeds a sensing result back to the first feeding driving member 412, the first ejecting driving member 422 drives the first ejector pin 421 to move towards the steel handle in the first positioning groove 4131, the steel handle in the first positioning groove 4131 is ejected to a welding position, then the first pressing arm 431 is driven to rotate by the first driving member 433, so that the first pressing member 434 presses the steel handle in the welding position, then, the first ejector driver 422 drives the first ejector 421 to return.

S2, conveying an alloy material to an alloy feeding assembly 71 by the alloy feeding mechanism 6, conveying the alloy material to an alloy ejecting assembly 72 by the alloy feeding assembly 71, pushing the alloy material to move towards a welding position by the alloy ejecting assembly 72 so that the alloy material is abutted to the steel handle, pressing the alloy material abutted to the steel handle by an alloy pressing assembly 73, and sequentially providing a soldering flux and a welding wire for the alloy material by a soldering flux feeding assembly 74 and a welding wire feeding assembly 75 in the process that the alloy material moves towards the welding position, wherein the welding wire is connected to the welding end face of the alloy material by the soldering flux; the specific process is as follows:

the alloy feeding mechanism 6 is started, alloy material is conveyed to the alloy collection box 714 through the second conveying pipe 70, the alloy material enters the alloy collection box 714 and falls into the alloy containing groove 7111 below the alloy collection box through the alloy discharging opening, the second feeding driving piece 712 drives the alloy pushing block 711 to move, so that the alloy containing groove 7111 is communicated with the second positioning groove 7131, the alloy material falls into the second positioning groove 7131, when the second sensor 724 senses that the alloy material exists in the second positioning groove 7131, the second sensor 724 feeds a sensing result back to the ejecting driving piece 763, the ejecting driving piece 763 drives the push plate 761 to move towards the steel handle along the guide rod 762, the alloy ejecting component 72 moves along the push plate 761, the second ejector pin 721 of the alloy ejecting component 72 ejects the alloy material towards the steel handle, the alloy material passes through the communicating hole 7134 of the soldering flux 7133, the soldering flux feeding component 74 and the welding wire feeding component 75 convey soldering flux and welding wire through the flux discharging hole and the soldering flux discharging hole 7136 respectively, when the alloy material moves in the communicating hole 7134, the welding end face of the alloy material is firstly contacted with the soldering flux, the soldering flux is attached to the welding end face of the alloy material, then the welding wire is adhered to the welding end face of the alloy material through the soldering flux, the alloy material breaks the welding wire as the welding end face of the alloy material passes through the welding wire blanking hole 7136, namely the breaking driving piece 763 drives the push plate 761 to move until the welding wire is broken by the alloy material, then the second feeding driving piece 712 drives the second thimble 721 to move, the alloy material is continuously pushed towards the steel handle, the welding end face of the alloy material is abutted to the welding end face of the steel handle, and finally the second pressing driving piece 733 drives the second pressing arm 731 to rotate, so that the second pressing piece 734 presses the alloy material abutted to the welding end face of the steel handle.

S3, starting the welding mechanism 5 to weld the abutted position of the steel handle and the alloy material to obtain a semi-finished product of the medical dental cutter, wherein the alloy pressing component 73 loosens the alloy material before welding is finished, meanwhile, the alloy ejecting component 72 acts to push the alloy material to the steel handle, the alloy pressing component 73 compresses the alloy material again after the first set time is continued, and the steel handle pressing component 43 and the alloy pressing component 73 continuously compress the alloy material after the welding mechanism 5 stops working and then loosen after the second set time is continued; the specific process is as follows:

before the end of welding (for example, 0.5s-1s before the end of welding), the second swaging drive 733 drives the second swaging arm 731 to rotate, so that the second swaging part 734 releases the alloy material, meanwhile, the second ejector driving member 722 drives the second ejector pin 721 to push the alloy material towards the steel shank, and after a first set time (for example, the second ejector pin 721 pushes the alloy material towards the steel shank for 0.5s-1s), the second pressing driving member 733 drives the second pressing arm 731 to rotate, so that the second pressing member 734 presses the alloy material again, thus, the purpose is to ensure the welding effect of the steel handle and the alloy material by extruding and discharging air between the welding end of the steel handle and the welding end face of the alloy material, and the first pressing piece 434 and the second pressing piece 734 continue to press the steel shank and the alloy material after the welding mechanism 5 stops working, and are released after the second set time (the first pressing piece 434 and the second pressing piece 734 keep 0.5s-1 s); alternatively, after the welding mechanism 5 stops working, the first pressing member 434 and the second pressing member 734 continue to press the steel shank and the alloy material, and after a second set time, the second pressing member 734 releases the alloy material, and the first pressing member 434 continues to hold the steel shank, so that the semi-finished medical dental tool cannot fall off the first positioning groove 4131 in the subsequent operation.

In step S3, the time for the second pressing driving member 733 to drive the second pressing arm 731 to rotate to release the alloy material before the welding operation, the duration for the second thimble 721 to push the alloy material toward the steel shank, and the duration for the first pressing member 434 and the second pressing member 734 to continue pressing the steel shank and the alloy material after the welding mechanism 5 stops working can be set according to specific situations.

S4, the sliding table assembly 2 and the alloy ejecting assembly 72 return, then the sliding table assembly 2 moves to a blanking position, the receiving mechanism 8 moves to a receiving position (namely below the blanking position), the steel handle ejecting assembly 42 acts to push out the semi-finished medical dental cutter from the first positioning groove 4131, the semi-finished medical dental cutter falls into the receiving mechanism 8, the sliding table assembly 2, the steel handle ejecting assembly 42 and the receiving mechanism 8 return, and the steps S1-S4 are repeated to perform the next round of welding. The specific process is as follows:

the sliding table driving member 22 drives the supporting sliding table 21 to move back along the sliding rail, the push-off driving member 763 drives the push plate 761 to move back along the guide rod 762, the second feeding driving member 712 drives the second thimble 721 to move back, then the sliding table driving member 22 drives the supporting sliding table 21 to move to the blanking position along the sliding rail, the material receiving driving member 86 drives the material receiver 80 to move to the material receiving position (i.e. below the blanking position), the first thimble driving member 422 drives the first thimble 421 to move, so as to push out the semi-finished product of the medical dental tool from the first positioning groove 4131, so that the semi-finished product of the medical dental tool falls into the material receiver 81, and the semi-finished product of the medical dental tool enters the material collecting groove 85 through the material receiver 81. Then, the slide table driving unit 22 drives the support slide table 21 to move back along the slide rail, the first feeding driving unit 412 drives the first thimble 421 to move back, the receiving driving unit 86 drives the receiver 81 to move back, and the steps S1 to S4 are repeated to perform the next welding.

In specific application, after the sliding table driving member 22 drives the supporting sliding table 1 to move to the blanking position along the sliding rail, the first feeding driving member 412 drives the steel handle pushing block 411 to move, so that the steel handle accommodating groove 4111 is communicated with the first positioning groove 4131, the steel handle falls into the first positioning groove 4131, then the first ejecting driving member 422 drives the first ejector pin 421 to move, the steel handle in the first positioning groove 4131 is pushed to the welding position, at this time, the steel handle can be in contact with the semi-finished medical dental tool, and along with the movement of the steel handle, the semi-finished medical dental tool is pushed out by the steel handle and falls into the material receiver 81.

The embodiment of the utility model provides an automatic welding device, it can realize the automatic feeding and the automatic weld operation of steel handle and alloy material, has improved production efficiency effectively, it only needs to adjust the distance that first thimble 421 moves towards the steel handle when welding to the steel handle of different length or alloy material, can push the steel handle of different length to the welding position, or, only needs to adjust the distance that second thimble 721 moves towards the alloy material, just can make the welding terminal surface of alloy material and the welding terminal surface butt of steel handle, whole adjustment process is simple rapid, convenient to use; meanwhile, according to the structure of the automatic welding device, when the automatic welding device is used for welding, air between the welding end faces of the steel handle and the alloy material can be discharged, so that the welding quality of the steel handle and the alloy material is ensured.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (10)

1. An automatic welding device comprises a workbench and is characterized by further comprising a sliding table assembly, a steel handle feeding mechanism, a steel handle welding working mechanism, a welding mechanism, an alloy feeding mechanism, an alloy welding working mechanism and a material receiving mechanism, wherein the sliding table assembly is connected to the workbench in a sliding mode and is provided with the steel handle welding working mechanism, the steel handle feeding mechanism, the welding mechanism, the alloy feeding mechanism, the alloy welding working mechanism and the material receiving mechanism are arranged on the workbench, the steel handle welding working mechanism and the alloy welding working mechanism are located on two sides of the welding mechanism, the sliding table assembly is used for driving the steel handle welding working mechanism to be close to or far away from the welding mechanism,

the steel handle welding working mechanism comprises a steel handle feeding assembly, a steel handle ejecting assembly and a steel handle pressing assembly, the steel handle feeding mechanism is used for orderly arranging and conveying steel handles to the steel handle feeding assembly, the steel handle feeding assembly is used for conveying the steel handles to the steel handle ejecting assembly, the steel handle ejecting assembly is used for pushing the steel handles to a welding position, and the steel handle pressing assembly is used for pressing the steel handles positioned at the welding position;

the alloy welding working mechanism comprises an alloy feeding assembly, an alloy ejecting assembly, an alloy pressing assembly, a soldering flux feeding assembly and a welding wire feeding assembly, wherein the alloy feeding assembly is used for orderly arranging and conveying alloy materials to the alloy feeding assembly, the alloy feeding assembly is used for conveying the alloy materials to the alloy ejecting assembly, the alloy ejecting assembly pushes the alloy materials to move so that the alloy materials are abutted to a steel handle at a welding position, the alloy pressing assembly is used for pressing the alloy materials abutted to the steel handle, the welding mechanism welds the abutted part of the steel handle and the alloy materials to form a semi-finished product of the medical dental cutter, in the process that the alloy ejecting assembly pushes the alloy materials to move towards the steel handle, the soldering flux feeding assembly is used for providing soldering flux for the alloy materials, and the welding wire feeding assembly is used for providing welding wires for the alloy materials, the welding wire is connected to the welding end face of the alloy material through the soldering flux, and the material receiving mechanism is used for receiving a semi-finished product of the medical dental cutter.

2. The automatic welding device according to claim 1, wherein the steel shank feeding assembly comprises a steel shank pushing block, a first feeding driving member, a steel shank supporting seat and a steel shank material collecting box, the steel shank material collecting box is connected with the steel shank feeding mechanism through a first conveying pipe, the steel shank pushing block is arranged below the steel shank material collecting box, a steel shank discharging opening is formed in the lower end of the steel shank material collecting box, a steel shank material accommodating groove is formed in the steel shank pushing block below the steel shank discharging opening, the steel shank supporting seat is arranged below the steel shank pushing block and is in contact with the steel shank pushing block, a first positioning groove is formed in the steel shank supporting seat, and the first driving member drives the steel shank material pushing block to move so that the steel shank material accommodating groove is communicated with the first positioning groove;

the steel handle aggregate box comprises two first side plates, a first fixed end plate and a first movable end plate, wherein the first side plates are arranged oppositely, the first fixed end plate is fixedly connected with the same end of the first side plate respectively, and the first movable end plate is connected with the first side plates in a sliding mode and is used for adjusting the length of the steel handle aggregate box.

3. The automatic welding device according to claim 2, wherein the steel shank ejection assembly comprises a first ejector pin and a first ejection driving member, the first ejector pin is arranged along the length direction of the first positioning groove, and the first ejection driving member is used for driving the first ejector pin to push the steel shank in the first positioning groove to a welding position; and/or the presence of a gas in the atmosphere,

the steel handle ejection assembly further comprises a first inductor used for inducing whether the steel handle is arranged in the first positioning groove or not.

4. The automatic welding device of claim 3, wherein the steel shank swaging assembly comprises a first pressing arm, a first mounting seat, a first swaging driving member and a first swaging member, the middle portion of the first pressing arm is rotatably connected with the first mounting seat, one end of the first pressing arm is connected with the first swaging member, the other end of the first pressing arm is connected with an output shaft of the first swaging driving member, and the first swaging driving member drives the first pressing arm to rotate so that the first swaging member presses against the steel shank in the welding position.

5. The automatic welding device according to claim 1, wherein the alloy feeding assembly comprises an alloy pushing block, a second feeding driving member, an alloy supporting seat and an alloy collecting box, the alloy collecting box is connected with the alloy feeding mechanism through a second conveying pipe, the alloy pushing block is arranged below the alloy collecting box, an alloy discharging opening is arranged at the lower end of the alloy collecting box, the alloy pushing block is provided with an alloy containing groove below the alloy discharging opening, the alloy supporting seat is arranged below the alloy pushing block and is in contact with the alloy pushing block, the alloy supporting seat is provided with a second positioning groove, and the second driving member drives the alloy pushing block to move so that the alloy containing groove is communicated with the second positioning groove;

the alloy material collecting box comprises two second side plates, a second fixed end plate and a second movable end plate, wherein the two second side plates are arranged oppositely, the second fixed end plate is fixedly connected with the same end of each of the two second side plates respectively, and the second movable end plate is connected between the two second side plates in a sliding mode and used for adjusting the length of the alloy material collecting box.

6. The automatic welding device according to claim 5, wherein the alloy ejection assembly comprises a second ejector pin disposed along a length of the second positioning slot and a second ejection driving member for driving the second ejector pin to push the alloy located in the second positioning slot toward the welding position;

the alloy ejecting component also comprises a second inductor and an ejecting and breaking component, the second inductor is used for inducing whether alloy materials exist in the second positioning groove or not,

the top disconnected subassembly includes push pedal, guide arm and top disconnected driving piece, the guide arm is followed the length direction of second constant head tank sets up, the push pedal with sliding connection, top disconnected driving piece is used for the drive the push pedal is followed the guide arm slides, second liftout driving piece pass through the fixed plate with push pedal fixed connection is so that second liftout driving piece is along the push pedal motion.

7. The automatic welding device according to claim 5, wherein the alloy pressing assembly comprises a second pressing arm, a second mounting seat, a second pressing driving piece and a second pressing piece, the middle portion of the second pressing arm is rotatably connected with the second mounting seat, one end of the second pressing arm is connected with the second pressing piece, the other end of the second pressing arm is connected with an output shaft of the second pressing driving piece, and the second pressing driving piece drives the second pressing arm to rotate so that the second pressing piece presses against the alloy material abutting against the steel shank in the welding position.

8. The automatic welding device of claim 6, wherein a flux fixing block is connected to the alloy support base, the flux fixing block is provided with a communication hole aligned with the second positioning groove so that an alloy material located in the second positioning groove can pass through the communication hole, the flux fixing block further comprises a flux blanking hole and a wire blanking hole, the flux blanking hole and the wire blanking hole are respectively communicated with the communication hole, and the wire blanking hole is located at a side close to the welding mechanism in a length direction of the second positioning groove.

9. The automatic welding device according to claim 5, wherein the welding mechanism is a high frequency welding machine, the high frequency welding machine is mounted on the work table through a first adjusting slide assembly, and the first adjusting slide assembly is used for adjusting the position of the high frequency welding machine in the horizontal direction and the vertical direction; and/or

The alloy ejection assembly is installed on the workbench through a second adjusting sliding assembly, and the second adjusting sliding assembly comprises a rotating assembly, a height adjusting assembly arranged on the rotating assembly and a horizontal adjusting assembly arranged on the height adjusting assembly.

10. The automatic welding device according to claim 1, wherein the material receiving mechanism comprises a material receiver, a material receiving driving mounting seat, a moving block, a horizontal guide post, a material collecting groove and a material receiving driving member, the material receiving driving member is fixed on the workbench through the material receiving driving mounting seat, the guide post is fixedly mounted on the material receiving driving mounting seat, the moving block is slidably connected with the guide post, the material receiver is fixedly connected with the moving block, the material collecting groove is mounted on the workbench, the material receiver is higher than the material collecting groove, and the material receiving driving member is used for driving the moving block to move along the guide post so that the material receiver moves between the material receiving position and the material collecting groove.

Images