CN213080359U

CN213080359U - Electric arc vibration material disk device

Info

Publication number: CN213080359U
Application number: CN202020738901.1U
Authority: CN
Inventors: 刘志威; 刘伟清; 池元清
Original assignee: Metley New Materials Shenzhen Co Ltd
Current assignee: Metley New Materials Shenzhen Co Ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-04-30
Anticipated expiration: 2030-05-07

Abstract

The utility model relates to the technical field of processing equipment, and discloses an electric arc additive manufacturing device, which comprises a base and a controller, wherein the base is provided with an operating platform for mounting a substrate, the operating platform is provided with a clamp for clamping the substrate, a moving frame is arranged above the operating platform and is connected to the base in a sliding manner, the moving frame is provided with a welding gun and a wire feeding device, the wire feeding device is used for conveying welding wires to a nozzle of the welding gun, the moving frame is provided with at least one first fan, and an air outlet of the first fan faces to the nozzle of the welding gun; a cooling water loop is arranged in the operating platform, and an inlet and an outlet of the cooling water loop are provided with pumping devices; the pumping device, the first fan, the welding gun and the wire feeding device are all electrically connected with the controller. Adopt the utility model discloses technical scheme's electric arc vibration material disk manufacturing device can adjust the temperature of materials such as aluminum alloy that the heat conductivity is strong, thermal capacity is big to avoid the higher shaping difficulty and the poor technical problem of shaping quality that arouses of temperature.

Description

Electric arc vibration material disk device

Technical Field

The utility model relates to a processing equipment technical field especially relates to an electric arc vibration material disk device.

Background

Additive manufacturing is a rapid prototyping process, and is mainly divided into laser additive manufacturing, electron beam additive manufacturing, and arc additive manufacturing according to different additive manufacturing heat sources. The laser additive manufacturing and the electron beam additive manufacturing mainly adopt a mode of melting and accumulating metal powder layer by layer to manufacture various metal components with complex structures; the electric arc additive manufacturing mainly adopts a mode of stacking metal wires or powder layer by layer, and compared with laser additive manufacturing and electron beam additive manufacturing, the electric arc additive manufacturing has the advantages of lower cost, high forming speed and high efficiency. The equipment cost and the raw material cost of laser additive manufacturing and electron beam additive manufacturing are high, and the method is not suitable for additive manufacturing of materials with strong heat conductivity, such as aluminum alloy. The material with strong heat conductivity and large heat capacity has the characteristics of large linear expansion coefficient, low melting point, small high-temperature strength and the like, so that the heat accumulation of the aluminum alloy is large in the additive manufacturing process, the deformation of the aluminum alloy is large, the additive manufacturing forming quality is poor, and the forming is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: provided is an arc additive manufacturing device which can adjust the temperature of a material with strong thermal conductivity and large thermal capacity, such as an aluminum alloy, so as to avoid the technical problems of difficult molding and poor molding quality caused by high temperature.

In order to achieve the above object, the utility model provides an electric arc vibration material disk device, including base and controller, be equipped with the operation platform that is used for the mounting substrate on the base, be equipped with the anchor clamps that are used for the centre gripping of operation platform the substrate, operation platform top is equipped with the removal frame, the removal frame sliding connection in the base, install welder and wire feeder on the removal frame, wire feeder is used for with the welding wire to welder's nozzle is carried, be equipped with at least one first fan on the removal frame, the air outlet of first fan faces welder's nozzle; a cooling water loop is arranged in the operating platform, and an inlet and an outlet of the cooling water loop are provided with pumping devices; the pumping device, the first fan, the welding gun and the wire feeding device are all electrically connected with the controller.

Preferably, still include fan bracket, first fan passes through fan bracket installs remove on the frame, fan bracket is last to be equipped with air exit and the installing port that communicates each other, first fan sets up on the installing port, the air exit orientation welder's nozzle setting.

Preferably, the number of the first fans is two, and the first fans are symmetrically arranged on two sides of the welding gun.

Preferably, wire drive feed unit includes the connecting piece and supplies the mounting that the welding wire passed, the mounting is connected the one end of connecting piece, the other end of connecting piece is equipped with the go-between, welder's one end is equipped with the installation department, welder's the other end is equipped with the nozzle, be equipped with annular mounting groove on the installation department, the go-between cover is established in the mounting groove.

Preferably, the fixing part comprises a fixing part and a positioning part, the fixing part is provided with a through hole for the welding wire to pass through, and the positioning part is provided with an arc-shaped positioning groove.

Preferably, the fixing part is provided with a locking part for fixing the welding wire.

Preferably, the locking member is a locking screw.

Preferably, be equipped with the first guide rail that sets up along the Z axle direction on the base, remove the frame and include first mounting bracket and second mounting bracket, first mounting bracket slides and locates on the first guide rail, be equipped with the second guide rail that sets up along the Y axle direction on the first mounting bracket, the second mounting bracket slides and locates on the second guide rail, welder with the equal slidable mounting of wire drive feed unit is in on the second mounting bracket.

Preferably, the base is provided with a third guide rail along the X-axis direction, and the operating platform is slidably disposed on the third guide rail.

Preferably, a power supply for supplying power to the wire feeding device and the welding gun is arranged on the movable frame, the power supply is electrically connected with the controller, and a second fan is arranged on the movable frame and opposite to the power supply.

The embodiment of the utility model provides an electric arc vibration material disk device compares with prior art, and its beneficial effect lies in:

the utility model discloses electric arc vibration material disk manufacturing device, through at the inside cooling water return circuit that sets up of operation platform, be equipped with the fan by welder, from this when electric arc vibration material disk manufacturing, can be through the temperature of multiple heat transfer modes such as cooling water conduction, air conduction and air convection heat transfer reduce the product fast, compare in prior art in the air heat transfer cooling of exclusive use, the time that its shaping part consumed has ensured the quality of the shaping part of the material that the heat conductivity is strong, thermal capacity is big simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an arc additive manufacturing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a welding gun and a wire feeder according to an embodiment of the present invention;

in the figure, 1, a base, 2, a moving frame, 3, a first guide assembly, 31, a first synchronous belt, 32, a first motor, 33, a first guide column, 4, a second guide assembly, 41, a second synchronous belt, 42, a second motor, 43, a second guide column, 5, a third guide assembly, 51, a third synchronous belt, 52, a third motor, 6, a first fan, 61, a fan bracket, 7, an operation platform, 8, a second fan, 9, a welding gun, 91, an installation part, 92, a limiting part, 10, a welding wire, 11, a fixing part, 12, an L-shaped bending plate, 13 and a connecting part.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be understood that the present invention uses the terms "first", "second", "third", "fourth", etc. to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present embodiment, for convenience of description, the height direction along the base 1 is defined as Z-axis, the length direction of the base 1 is defined as Y-axis, and the width direction of the base 1 is defined as X-axis, and this direction is only based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

As shown in fig. 1 to 2, the electric arc additive manufacturing apparatus according to the preferred embodiment of the present invention includes a base 1 and a controller, an operation platform 7 for mounting a substrate is disposed on the base 1, a clamp for clamping the substrate is disposed on the operation platform 7, a moving frame 2 is disposed above the operation platform 7, a welding gun 9 and a wire feeding device are mounted on the moving frame 2, the wire feeding device is used for feeding a welding wire 10 to a nozzle of the welding gun 9, an end portion of the welding wire 10 extends below the welding gun 9, the welding gun 9 and the wire feeding device are slidably connected to the base 1, at least one first fan 6 is disposed on the moving frame 2, and an air outlet of the first fan 6 is disposed below the nozzle of the welding gun 9; a cooling water loop is arranged in the operating platform 7, and an inlet and an outlet of the cooling water loop are provided with pumping devices; the pumping device, the first fan 6, the welding gun 9 and the wire feeding device are all electrically connected with the controller. In this embodiment, the cooling water circuit is a water channel which is arranged in the operation platform 7 and is communicated with each other and arranged at intervals, the water channel is filled with cold water, the pumping system promotes cold water circulation, and the pumping system is provided with a temperature detection device, so that the problem that the cooling effect is poor due to overhigh water temperature in the circulating water channel is avoided, and preferably, a supplementary water source is connected to a cold water circulating pipeline which is arranged outside the operation platform 7, so that the consumption of the cold water is supplemented in time. When the water temperature is too high, the high-temperature water is discharged and then the cold water is replenished again, or a heat exchange device is connected to a cold water circulating pipeline positioned outside the operation platform 7 so as to reduce the water temperature.

Based on the technical scheme, the cooling water loop is arranged in the operation platform 7, and the first fan 6 is arranged beside the welding gun 9, so that the temperature of a product can be quickly reduced through various heat transfer modes such as cooling water conduction, air conduction and air convection heat transfer during electric arc additive manufacturing.

Further, still include fan bracket 61, first fan 6 passes through fan bracket 61 to be installed on removing frame 2, is convenient for first fan 6's installation and dismantlement from this, is equipped with the air exit and the installing port that communicate each other on fan bracket 61, and first fan 6 sets up on the installing port, and the air exit sets up towards the nozzle of welder 9, is convenient for concentrate the wind of first fan 6 and supplies to the position of shaping part from this, carries out quick heat dissipation to the shaping part. Preferably, the number of the first fans 6 is two, and the two first fans 6 are symmetrically arranged on two sides of the welding gun 9, so that air convection heat transfer is facilitated, and heat dissipation is fast.

In this embodiment, the wire feeding device includes a connector 13 and a fixing member 11 for the welding wire 10 to pass through, the fixing member 11 is connected at one end of the connector 13, the other end of the connector 13 is provided with a connecting ring, one end of the welding gun 9 is provided with an installation part 91, the other end of the welding gun is provided with a nozzle, the installation part 91 is provided with an annular installation groove, the connecting ring is sleeved in the installation groove, the wire feeding device is connected with the welding gun 9 through the connector 13, thereby facilitating the installation and the disassembly of the welding gun 9 and the wire feeding device, the bottom of the connector 13 is connected with the fixing member 11 for the welding wire 10 to pass through, thereby facilitating the fixation of the welding wire 10, an.

Further, the fixing part 11 includes a fixing portion and a positioning portion, a through hole for the welding wire 10 to pass through is formed in the fixing portion, and a locking member is arranged on the side wall of the through hole. In this embodiment, the middle part of location portion is equipped with the connecting hole, be equipped with the screw in the connecting hole, connecting piece 13 includes the connecting rod and is located the L type of connecting rod bottom board 12 of bending, the L type one side of board 12 of bending links to each other with the connecting rod, location portion links to each other with the another side of the board 12 of bending of L type, increase the area of contact between mounting 11 and the connecting piece 13 from this, be convenient for to mounting 11 and dismantlement, the both sides of connecting hole all are equipped with the arc constant head tank, the L type is equipped with the screw hole on the board 12 of bending, be equipped with the set screw in the arc constant head tank, from this with mounting 11 and the L type of connecting piece 13 bottom board.

Wherein, the fixing part is provided with a locking part for fixing the welding wire 10. Therefore, the welding wire 10 is convenient to lock, the position of the welding wire 10 is fixed, stable electric arcs can be generated between the welding wire 10 and the welding gun 9 conveniently, and the part forming quality is improved conveniently. Specifically, the locking piece is a locking screw.

Further, be equipped with the first guide rail that sets up along the Z axle direction on the base 1, remove frame 2 and include first mounting bracket and second mounting bracket, first mounting bracket slides and locates on the first guide rail, is equipped with the second guide rail that sets up along the Y axle direction on the first mounting bracket, and the second mounting bracket slides and locates on the second guide rail, and welder and the equal slidable mounting of wire drive feed unit are on the second mounting bracket. The first mounting frame is arranged on the first guide rail in a sliding mode, the second guide rail is arranged on the first mounting frame in the Y-axis direction, and the moving frame 2 is arranged on the second guide rail in a sliding mode. Thereby facilitating movement of the welding gun 9 and welding wire 10 to meet the need to reach different positions of the base plate.

In this embodiment, the first guide rail includes two sets of first guide posts 33 symmetrically disposed on the left and right sides of the base 1, two ends of the two sets of first guide posts 33 are respectively provided with a first fixing block, the two sets of first fixing blocks and the two sets of first guide posts 33 form the first guide assembly 3, the top and bottom of one of the first guide assemblies 3 are respectively provided with two first mounting plates, the first motor 32 is mounted on one of the first mounting plates, the other first mounting plate is provided with a first sprocket, a first synchronous belt 31 is disposed between the first motor 32 and the first sprocket, the first mounting plate is provided with a first fixing portion connected with the first synchronous belt 31, the second guide rail includes two second guide posts 43 disposed on the base 1 along the Y-axis direction, two ends of the second guide posts 43 are slidably connected with the first guide posts 33 through a connecting seat, wherein a second motor 42 is disposed on one connecting seat, and a second chain wheel is arranged on the other connecting seat, the second motor 42 is connected with the second chain wheel through a second synchronous belt 41, and the two second guide columns 43 and the two connecting seats form a second guide assembly 4. Wherein the first motor 32 and the second motor 42 are both electrically connected to the controller.

In addition, the second mounting bracket comprises a T-shaped mounting plate, one side of the T-shaped mounting plate is arranged along the Z-axis direction, the other side of the T-shaped mounting plate is arranged along the X-axis direction, through holes for the second synchronous belt 41 to pass through and a second fixing part connected with the second synchronous belt 41 are sequentially arranged on the T-shaped mounting plate along the Z-axis direction, two connecting holes corresponding to the two second guide pillars are further formed in the T-shaped mounting plate, the through holes for the second synchronous belt 41 to pass through and the second fixing part are arranged between the two connecting holes, therefore, the arrangement of the second synchronous belt 41 is convenient, the space is saved, one side of the T-shaped mounting plate arranged along the X-axis direction is connected with the wire feeding device and the welding gun 9, the installation and the disassembly of the welding gun 9 and the wire feeding device are convenient, meanwhile, the welding gun 9 and the wire feeding.

Further, the base 1 is provided with a third guide rail along the X-axis direction, and the operation platform 7 is slidably disposed on the third guide rail. The third guide rail is arranged on the base 1 along the X-axis direction, the third guide rail comprises two groups of third guide posts which are oppositely arranged, one end of each third guide post is connected with the base 1, the other end of each third guide post is provided with a limiting part, the two groups of third guide posts, the limiting parts and the base 1 form a third guide assembly 5, a third motor 52 is arranged on the base 1, a third synchronous belt 51 is connected onto the third motor 52, a third chain wheel is arranged on the limiting parts, the third synchronous belt 51 is sleeved between the third motor 52 and the third chain wheel, a third fixing part connected with the third synchronous belt 51 is arranged at the bottom of the operating platform 7, and the third motor 52 is electrically connected with the controller, so that the operating platform 7 and the welding gun 9 can move along each axial direction, and the part forming and manufacturing requirements are met.

In this embodiment, a power supply for supplying power to the wire feeding device and the welding gun 9 is disposed on the movable frame 2, the power supply is electrically connected to the controller, and a second fan 8 is disposed on the movable frame 2 opposite to the power supply, so as to facilitate heat dissipation of the power supply.

The utility model discloses a working process does: the negative pole of the power supply is connected with a welding gun 9, the welding gun 9 is vertical to the plane of the substrate, and the positive pole of the power supply is connected with a wire guide nozzle of the wire feeding device; the wire feeder feeds the wire, and an extension line of the tail end of the metal wire intersects the welding gun 9 at a point, so that the arc can be struck between the welding wire 10 and the welding gun 9 and a stable arc can be established. Determining the size of the three-dimensional model of the metal component to be manufactured in the height direction according to the three-dimensional model of the metal component to be manufactured, slicing the metal component to be manufactured in the height direction of the three-dimensional model in a layering mode by using a computer, further determining the forming path of each layer piece, and inputting the path into a controller; starting a power supply and protective gas system, setting stacking process parameters on a controller, starting a wire feeding system by the controller according to a planned forming path on a layer sheet, controlling a first motor 32, a second motor 42 and a third motor 52 to adjust the position of the moving frame 2 through the controller, establishing an electric arc between a tungsten electrode at the end part of the welding gun 9 and a metal wire, and directly acting molten drops formed by melting the wire on a substrate or a stacking layer; after finishing one-layer accumulation, the controller controls to stop the power supply of the wire feeding device and the welding gun 9, turns on the first fan 6 and the cooling water, lifts a layer height after waiting for a certain time, continues to move along the path and repeatedly feeds the wires until the forming of the dissimilar metal component reaches the requirements of the set size and the metal filling area.

To sum up, the embodiment of the utility model provides an electric arc vibration material disk manufacturing device, its electric arc vibration material disk manufacturing device is through at the inside cooling water return circuit that sets up of operation platform 7, be equipped with first fan 6 by welder 9, from this when electric arc vibration material disk manufacturing, can be through the cooling water conduction, the temperature of multiple heat transfer modes such as air conduction and air convection heat transfer reduce the product fast, compare in the air heat transfer cooling of exclusive use among the prior art, the time that its shaping part consumed, the quality of the shaping part of the material that the heat conductivity is strong, thermal capacity is big has been ensured simultaneously.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. An electric arc additive manufacturing device is characterized by comprising a base and a controller, wherein an operating platform used for installing a substrate is arranged on the base, a clamp used for clamping the substrate is arranged on the operating platform, a moving frame is arranged above the operating platform and is connected to the base in a sliding mode, a welding gun and a wire feeding device are arranged on the moving frame, the wire feeding device is used for conveying welding wires to a nozzle of the welding gun, at least one first fan is arranged on the moving frame, and an air outlet of the first fan faces towards the nozzle of the welding gun;

a cooling water loop is arranged in the operating platform, and an inlet and an outlet of the cooling water loop are provided with pumping devices;

the pumping device, the first fan, the welding gun and the wire feeding device are all electrically connected with the controller.

2. The arc additive manufacturing apparatus according to claim 1, further comprising a fan bracket, wherein the first fan is mounted on the moving frame through the fan bracket, the fan bracket is provided with an air outlet and a mounting port that are communicated with each other, the first fan is disposed on the mounting port, and the air outlet is disposed toward a nozzle of the welding gun.

3. The arc additive manufacturing apparatus according to claim 2, wherein the number of the first fans is two, and the first fans are symmetrically disposed on both sides of the welding torch.

4. The arc additive manufacturing device according to claim 3, wherein the wire feeder comprises a connecting piece and a fixing piece for a welding wire to pass through, the fixing piece is connected to one end of the connecting piece, a connecting ring is arranged at the other end of the connecting piece, an installation part is arranged at one end of the welding gun, a nozzle is arranged at the other end of the welding gun, an annular installation groove is formed in the installation part, and the connecting ring is sleeved in the installation groove.

5. The arc additive manufacturing device according to claim 4, wherein the fixing member includes a fixing portion and a positioning portion, the fixing portion is provided with a through hole through which the welding wire passes, and the positioning portion is provided with an arc-shaped positioning groove.

6. The arc additive manufacturing apparatus according to claim 5, wherein a retaining member for retaining the welding wire is provided on the retaining portion.

7. The arc additive manufacturing apparatus of claim 6, wherein the retaining member is a retaining screw.

8. The arc additive manufacturing device according to claim 1, wherein a first guide rail is arranged on the base along a Z-axis direction, the moving frame comprises a first mounting frame and a second mounting frame, the first mounting frame is slidably arranged on the first guide rail, a second guide rail is arranged on the first mounting frame along a Y-axis direction, the second mounting frame is slidably arranged on the second guide rail, and the welding gun and the wire feeding device are both slidably arranged on the second mounting frame.

9. The arc additive manufacturing device according to claim 8, wherein the base is provided with a third guide rail along the X-axis direction, and the operating platform is slidably disposed on the third guide rail.

10. The arc additive manufacturing apparatus according to claim 1, wherein a power supply for supplying power to the wire feeder and the welding torch is provided on the movable frame, the power supply is electrically connected to the controller, and a second fan is installed on the movable frame at a position opposite to the power supply.