CN107457484A - Adjustable wire tray structure and wire-feed motor and laser cladding device - Google Patents

Abstract

The present invention provides a kind of adjustable wire tray structure, including：Supporting part, wire tray support and wire tray, the wire tray support include fixed part and extension, and the extension is vertically installed in fixed part one end, the fixed part bolt connection supporting part, and the wire tray is arranged on extension；It is to provide a kind of adjustable wire tray structure, this structure can realize the position movement of wire tray so that wire tray position correspondence seal wire mouth position, silk material is conducted for more smooth realizing.

Description

Adjustable wire reel structure, wire feeder and laser cladding device

technical field

The invention relates to a wire feeder, in particular to a wire feeder with an adjustable wire reel structure and a laser cladding device, belonging to the field of laser processing.

Background technique

Laser cladding is a laser surface modification technology. It is to add cladding materials (powder feeding, wire feeding, preset, etc.) The thin layer of metal quickly reaches a molten state. At this time, relying on the heat conduction of the workpiece itself, it is rapidly solidified and crystallized into a cladding layer, so as to obtain a modified layer or repair layer with metallurgical bonding with the base material, low dilution rate, and various characteristics. Compared with traditional surface treatment technologies such as surfacing, thermal spraying, and electroplating, it has many advantages, such as a wide range of applicable material systems, controllable dilution rate of cladding layer, metallurgical combination of cladding layer and substrate, small thermal deformation of substrate, The process is easy to realize automation and the like. Therefore, since the 1980s, laser cladding technology has received extensive attention at home and abroad, and has been applied in many industrial fields.

Chinese patent publication number: CN201390782Y discloses a wire feeding device for a laser cladding system, which includes a bracket (2) and a wire feeding nozzle (6), and a pair of pinch rollers is arranged inside the bracket (2) , the driving wheel (31) of the pinch roller pair is connected with the output shaft of a motor (8), and the motor (8) is fixed on the support (2); the motor (8) is a stepper A motor, the stepping motor (8) is connected with the controller of the laser cladding system; the wire feeding nozzle (6) is connected with the support (2) through a three-dimensional adjuster (5).

Chinese Patent Publication No.: CN201817550U The present invention adopts the following technical scheme: a laser cladding molding equipment, including a CNC numerical control work platform, the CNC numerical control work platform is provided with a workbench capable of X-Y-Z three-dimensional movement, and the workbench is fixed above the workbench. A laser device is provided, the laser beam output end of the laser device is facing the workbench, and it also includes a wire feeding device and a control system; the wire feeding device includes a bracket and a wire feeding nozzle, and a pinch feeding Roller pair, the driving wheel of the pinch roller pair is connected to the output shaft of the stepping motor, the stepping motor is fixed on the bracket, and the wire feeding nozzle is connected to the bracket through a three-dimensional adjuster The control system includes a motion control module provided with motion control software, the motion control module is provided with a multi-axis motion control card, and the multi-axis motion control card is respectively connected with the stepper motor and the three-dimensional movement of the drive table X-Y-Z The drive motor is connected, and the multi-axis motion control card is also connected with the laser head rotation drive device of the laser device.

The above laser cladding devices have the following problems: the wire feeding structure is to directly transport the wire to the surface of the object to be clad through the pinch roller, and the wire needs to be transported. During the transmission process, if the wire is bent, Increase the difficulty of passing, which is not conducive to the uniform cladding of the surface of the object to be clad; wherein, Chinese Patent Publication No. CN2608209Y discloses a wire feeder for laser cladding, including a frame (1), pinch wheels (2 ), motor (3), reducer (4), wherein the motor (3), reducer (4) are fixed on the frame (1), the output shaft of the motor (3) and the input shaft of the reducer (4) connection, the driving wheel of the pinch wheel pair (2) is fixed on the output shaft of the reducer (4), the driven wheel is installed on the side of the driving wheel, and the metal wire for laser cladding is clamped between the driving wheel and the driven wheel Sending down and feeding, the driven wheel of the pinch wheel pair (2) is installed on the frame (1) of the spring pressure regulating slide mechanism that can adjust the distance between the driven wheel and the driving wheel and ensure a certain pressure feeding force There is also a straightening mechanism at the tail of the pinch wheel pair (2) and at the front position that is consistent with the wire feed direction. The straightening mechanism includes several straightening rollers (5) that are arranged in two rows and staggered. In this case Disclosed is a wire feeder structure for a laser cladding device, which is provided with a straightening structure, and the straightening structure is provided with four straightening rollers arranged in a staggered manner, two of which are fixed rollers and two are adjustable rollers The roller is set on the adjustable sliding seat. The above-mentioned structure can preliminarily complete the straightening and conveying functions of the wire material, but the straightening effect is not good. At the same time, the adjustable roller is set on the adjustable sliding seat, which is inconvenient to adjust. Realize fine quantity control, and its wire feeding structure cannot realize wire feeding processing of different specifications of wire.

Contents of the invention

The object of the present invention is to provide an adjustable wire reel structure, a wire feeder and a laser cladding device. The adjustable wire reel structure can effectively cooperate with other transmission structures connected to it to ensure the stability of wire material transmission to ensure high Precision cladding layer shape and dimensional accuracy.

In order to achieve the above object, the present invention provides the following technical solutions: an adjustable wire reel structure includes a bearing part, a wire reel support and a wire reel, the wire reel support includes a fixed part and an extension part, and the extension part is vertically arranged on the fixed One end of the part, the fixing part is bolted to the bearing part, and the wire reel is arranged on the extension part.

Further: the wire reel is a cylindrical structure with a hollow in the middle of the cylindrical surface, the hollow part runs through the extension part, and the concave structure is used for winding the wire.

Further: at least two through holes are provided on the bearing part, and at least two through holes are also provided on the fixing part, and the bolts pass through the through holes on the fixing part and the bearing part to fix and connect the wire reel bracket and the carrying part.

Further: the bolt includes a screw and three nuts, wherein two nuts are arranged on the screw between the fixing part and the bearing part, and one is arranged on the outermost side of the screw to adjust the screw arranged between the fixing part and the bearing part. The nut cooperates with the screw to fix the fixed part, adjust the nut between the fixed part and the bearing part to cooperate with the outermost nut of the screw to fix the bearing part, and adjust the distance between the fixed part and the bearing part by adjusting the positions of the three nuts .

Further: the bolt includes a screw, and the through hole is provided with threads, and the threads are threads corresponding to the mating screw.

Further: the length of the extension part is greater than the width of the wire reel.

Further: the extension part is provided with threads and nuts, and the nuts are arranged on both sides of the wire reel, and the position of the wire reel can be defined by adjusting the position of the nuts, thereby adjusting the position of the wire reel.

Further: the fixed part and the extension part are connected by a bearing.

A wire feeder includes the above-mentioned adjustable wire reel structure.

A laser cladding device, comprising the above-mentioned wire feeder.

The beneficial effect of the present invention is to provide an adjustable wire reel structure, which can realize the position adjustment of the wire reel support by adjusting the bolt, and can also choose to use the extension part controlled by the adjustable bolt to realize the position movement of the wire reel , so that the position of the wire reel corresponds to the position of the wire guide nozzle, and the wire conduction can be realized more smoothly.

The above description is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly and implement them according to the contents of the description, the preferred embodiments of the present invention and accompanying drawings are described in detail below.

Description of drawings

Figure 1 is a schematic diagram of the three-dimensional structure of a laser cladding device.

Fig. 2 is a schematic diagram of a wire feeder of a laser cladding device.

Fig. 3 is a schematic diagram of the straightening structure and the wire feeding structure of the laser cladding device.

Fig. 4 is a schematic diagram of the connecting bracket structure of the laser cladding device.

Fig. 5 is a schematic diagram of the structure of the connecting gasket of the laser cladding device.

Fig. 6 is a partial view of the supporting seat and the nozzle of the laser cladding device.

FIG. 7 is a partially exploded view of part of the structure in FIG. 6 .

FIG. 8 is a partially exploded view of part of the structure in FIG. 7 .

FIG. 9 is a partially exploded view of the spray head in FIG. 6 .

FIG. 10 is a partially exploded view of the adjusting bracket in FIG. 6 .

Fig. 11 is an exploded view of the supporting seat and the adjusting bracket in Fig. 6 .

Fig. 12 is an exploded view of the partial structure of the support cover and the adjusting bracket in Fig. 6 .

FIG. 13 is an exploded view of the connector in FIG. 6 .

Fig. 14 is an exploded view of the partial structure of the beam splitter, the support seat and the adjustment bracket in Fig. 6 .

Fig. 15 is a diagram showing the relationship between the reflective focusing mirror and the beam splitter in the plane of the base in Fig. 6 .

Fig. 16 is a schematic diagram of a sealing structure of a laser cladding device.

Fig. 17 is a schematic structural diagram of a sealing gasket of a laser cladding device.

Fig. 18 is a schematic diagram of the structure of the adjustable wire reel of the laser cladding device.

detailed description

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

Please refer to Fig. 1, Fig. 4, Fig. 5 and Fig. 6, the laser cladding device of the present invention includes a wire feeder 110 and a nozzle 2, the wire feeder 110 and the nozzle are integrated through a connecting bracket 140, and the nozzle 2 is set Below the connection bracket, the wire feeder 110 is arranged above the connection bracket 140, the connection bracket 140 connects the wire feeder 110 and the nozzle 2, and the connection bracket 140 includes a body 143, a first extension 141 and a second extension part 142, the first extension part 141 extends along the plane where the main body 143 is located, and the second extension part 142 extends along the vertical direction of the plane where the main body 143 is located, wherein the surface 142 is mainly connected with the manipulator or the driving device of the cladding equipment to realize the spray head Move, the first extension 141 is connected to the wire feeder 110, the body 143 is connected to the nozzle, and the part of the first extension 141 connected to the wire feeder 110 also includes a connection structure 130, and the connection structure 130 is a ㄇ-shaped structure part 132 The ㄇ-shaped structure part 132 is arranged between the wire feeder 110 and the connecting bracket 140, the ㄇ-shaped structure 132 is composed of an opening part 133 and a connecting part 134, and the height of the opening part 133 is higher than that of the connecting part 134, It also includes an anti-vibration gasket 135, the anti-vibration gasket 135 is arranged at the connection between the wire feeder 110 and the connecting bracket 140, the nozzle includes a sealing structure, which includes a support seat 1, a support cover 8, a gate 811, and a connector 10. The light pipe 9, the upper sealing gasket 171, the lower sealing gasket 172 for sealing, and the light-transmitting mirror 170 form a sealed space inside the nozzle. In this space, relevant structures such as beam splitters, focusing mirrors, and focusing mirror brackets are arranged.

The guide wire tube 119 passes through the support seat 1 and is sealed by using an upper sealing gasket 171 and a lower sealing gasket 172. The light outlet 160 provided on the support seat 1 and the light-transmitting mirror 170 are sealed and arranged at the light outlet position, so that the light beam can reveal.

The above-mentioned sealing structure effectively prevents dust, smoke and other explosives from splashing into the beam splitter and focusing mirror inside the nozzle during cladding, effectively improving the service life of the lens and improving the accuracy of mirror reflection and focusing.

Due to the existence of manufacturing errors and assembly errors, the position of the output guide nozzle of the wire feeder and the position of the wire receiving flexible shaft inside the nozzle change, which will easily cause the wire feeding hose to be twisted, resulting in the resistance of the wire material inside the wire feeding hose If it is enlarged, the wire material will not be conveyed smoothly and will affect the quality of cladding. When the wire hose is completely connected to the nozzle and the wire feeder, in order to ensure that the wire feed hose does not twist, it is necessary to fine-tune the position of the wire feeder or nozzle relative to the wire feed hose. When adjusting the position, the position of the hose will also change accordingly. Then the upper sealing gasket 171 and the lower sealing gasket 172 that need to be fixed on the flexible pipe realize fine-tuning.

Wherein the wire feeder 110 is connected to the connection structure 130 by bolts, the connection structure 130 is connected to the first extension 141 of the connection bracket 140 by bolts, the support cover 8 is connected to the body 143 of the connection bracket 140 The connections are all connected by bolts in this embodiment, but not limited to one connection by bolts.

In this structure, a laser cladding device 100 includes a sealing structure and a spray head 2, and the above-mentioned components are arranged as an integrated structure through a connecting bracket 140. The structure 130 is a wedge-shaped structure, and the wedge-shaped structure is a connecting part with a certain inclination angle, so that the wire feeding direction of the wire feeder 120 is along the direction of the nozzle; its beneficial effects are:

First, the laser cladding device 100 has an integrated structure, which saves space;

Second, the integrated setting of the wire feeder 110 can prevent the wire feeding hose from being too long, resulting in relatively large resistance of the wire material during transmission, which can easily lead to poor sliding of the wire material, resulting in ineffective cladding work and high precision. The shape and dimensional accuracy of the cladding layer;

Third: Overcoming the bending of the wire feeding hose during the moving and cladding process of the nozzle 2 in the prior art, resulting in different frictional resistance of the wire during transportation, resulting in a change in the speed of the wire after leaving the nozzle, Therefore, it is impossible to guarantee the shape and dimensional accuracy of the high-precision cladding layer. If the bending radius of the hose is small, it is easy to cause the problem of wire plugging, resulting in failure to work properly. Now the nozzle and the wire feeder are integrated, and it can be Completely solve the above problems, ensure the stability of wire feeding speed, reduce cladding space, and cladding work can be carried out in a narrow space.

Please refer to Fig. 2 and Fig. 3, the wire feeding machine of described laser cladding device comprises: bearing part 116, straightening structure 117 and wire feeding structure 118, and it also includes wire reel support 112 and the wire that is arranged on the wire reel support Disc 111, the straightening structure 117, wire feeding structure 118 and wire reel support 112 are fixed on the bearing part 116 by bolts, and the wire feeding structure 118 includes a driving structure 115, a driving wheel 1177 and an adjusting device, and the driving structure 115 includes a servo motor and a reducer. The drive structure is connected to the driving wheel 1177. The adjustment device includes a pressure rod 1179, a handle 1178 and a movable pulley 1172. The pressure rod 2 1179 is a triangular structure including three vertices. The three corners are respectively provided with a fixed part, a movable pulley 1172 and a through hole, the fixed part is fixed on the bearing part 116 by bolts, and the movable pulley 1172 is fixed on one of the three corners by bolts , the through hole is connected to a screw rod extending parallel to the plane of the bearing part 116, which is extended by the fixing bolt on the bearing part 116, and the handle 1178 is a hollow structure matching the fixing bolt; The extended screw rod length of the fixing bolt increases or decreases, thereby adjusting the position of the movable pulley 1172 arranged on the pressure rod two 1179, the movable pulley 1172 provided on the described driving wheel 1177 and the pressure rod two 1179 is relatively set, adjust the pressure rod two 1179 The set position of the moving pulley 1172 can adjust the distance between the driving pulley 1177 and the moving pulley 1172, effectively fasten the wire to prevent the wire from slipping, and prevent uneven wire feeding.

The driving pulley 1177 is provided with two wire feeding grooves. The fixed pulley 1171 and the moving pulley 1172 are fixed on the bearing part 116 by bolts. By adjusting the position of the bolts to match the two wire feeding grooves of the driving pulley 1177, the wire feeding channel can be adjusted. Transmission of wires of different specifications.

Therefore, the wire feeding structure of the laser cladding device of the present invention can meet the needs of different wire materials, and has an adjustment structure, so that the wire feeding machine works stably and the wire output is stable.

The straightening structure 117 includes a pressing bar 1173, a fixing part 1174, a fixing part, a movable pulley 1172, a fixed pulley 1171, a screw rod 1175 and an adjusting nut 1176, and it is characterized in that: one end of the pressing bar 1173 is provided with the other end of the moving pulley 1172 Fixedly arranged on the bearing part 116, the fixing part 1175 includes a fixing part and a through hole, the fixing part is arranged on the bearing part 116 through a bolt, and the screw rod 1175 passes through the through hole of the fixing part 1174 to connect the pressure rod one 1173 The fixing part 1174 and the pressure rod one 1173 where the screw rod 1175 is located are provided with an adjusting nut 1176, and the distance between the fixing part 1174 and the pressure rod one 1173 is increased by rotating the adjusting nut 1176, and one end of the pressure rod one 1173 is fixedly arranged on On the bearing part 116, therefore, when the distance between the fixed piece 1174 and the pressure bar one 1173 increases, the movable pulley 1172 provided at the other end of the pressure bar one 1173 moves away from the fixed piece 1174 along with the pressure bar one 1173, so that the movable pulley can be adjusted 1172 positions.

In this embodiment, the straightening structure includes three fixed pulleys 1171 arranged on the same straight line along the direction of wire material transmission, and also includes two fixed pulleys 1171 with pressure bar 1173, fixing piece 1174, movable pulley 1172, screw rod 1175 and adjustment pulleys. The adjustment structure of the nut 1176 is composed. After the wire enters the straightening structure 117, the first straightening is realized through the first movable pulley 1172 and the two fixed pulleys 1171, and then the second straightening is realized through the second movable pulley 1172 and the two fixed pulleys 1171. Straightening, five pulleys in this structure, two movable pulleys 1172 and three fixed pulleys 1171, can effectively improve the straightening efficiency, one pass, the straightening effect is better, further, in this embodiment, the first time The staggered depth of the straight fixed pulley 1171 and the movable pulley 1172 is greater than the staggered depth of the second straighter fixed pulley 1171 and the movable pulley 1172.

All the fixed pulleys 1171 and movable pulleys 1172 described above are pulley structures provided with V grooves. Further, each pulley slides on the screw to conduct different wire materials. The distance of item 1174 is used to adjust the straightening effect.

Beneficial effects, first, by setting three fixed wheels and two tensioning wheels, when the wire passes through a relatively straight structure, the straighter pressure is applied at least three times, and the correction amount of the rollers that touch the wire first is greater than that of the rear contact The amount of roller correction for the wire part, the straightening effect is obvious.

Second, at least two three-point positioning corrections are formed through a group of five roller structures to make the correction effect more uniform and smooth.

In this embodiment, the bearing part 116 includes: a bearing panel, which is characterized in that it also includes an upper extension bearing structure 1161 and a lower extension bearing structure 1163 arranged on the bearing panel and perpendicular to the direction of the bearing panel, the upper extension The carrying structure 1161 is provided with an upper through hole 1162, and the lower extending carrying structure 1163 is provided with a lower through hole 1164, and the upper through hole 1162 and the lower through hole 1164 are columnar through holes and are arranged correspondingly.

In this embodiment, the wire feeder 110 also includes an upper wire guide nozzle 113 and a lower wire guide nozzle 114. The upper wire guide nozzle 113 and the lower wire guide nozzle 114 are hollow bolt structures, and the upper wire guide nozzle 113 is passed through an upper and lower screw nozzle. The cap and the spacer are pressed and arranged in the upper through hole 1162, and the lower guide wire 114 is arranged in the lower through hole 1164 through the upper and lower nuts and the spacer, and the columnar through hole can be adjusted by adjusting the upper and lower nuts and the spacer. Adjust the positions of the upper guide nozzle 113 and the lower guide nozzle 114.

When in use, by adjusting the position of the upper guide wire nozzle 113, the V-shaped grooves of the fixed pulley 1171 and the movable pulley 1172 in the straightening structure 117, the V-shaped grooves of the driving pulley 1177 and the movable pulley 1172 in the wire feeding structure 118, and the lower The position of the wire guide 114 is to make the wire materials lie on the same straight line. By adjusting the upper wire guide 114, the movable pulley 1172, the fixed pulley 1171, the driving pulley 1177 and the lower wire guide 114, it can deal with different wire materials and correspond to different V-shaped grooves. The width completes the straightening and wire feeding process for different wire materials.

Referring to FIG. 6 and FIG. 14 , the laser cladding device of the present invention includes a support base 1 and a nozzle 2 located below the support base 1 . The support base 1 is a cylinder, the support base 1 has an upper surface 14, the upper surface 14 is provided with an adjustment bracket 5, and the upper surface 14 is concavely formed with a beam splitter groove for fixing the beam splitter 15. A bracket groove for fixing each of the adjustment brackets 5 and a light outlet 160 penetrating through the support seat are formed concavely. The support base 1 is provided with a beam splitter 3 and at least two reflective focusing mirrors 4 arranged in the circumferential direction of the beam splitter 3, and the reflective focusing mirror 4 is fixed on the support base 1 through an adjustment bracket 5 and The fine-tuning of the position is carried out by adjusting the bracket 5, and the adjusting bracket 5 is fixed on the support base 1 through a bracket groove (not labeled); in this embodiment, the number of the reflective focusing mirror 4 and the adjusting bracket 5 is three To illustrate, the three reflective focusing mirrors 4 are evenly distributed around the beam splitter 3 , and each reflective focusing mirror 4 corresponds to an adjusting bracket 5 . Admittedly, in other embodiments, the number of the reflective focusing mirror 4 and the adjusting bracket 5 can also be two or four or more. The center vertical line of the support base 1 overlaps with the optical axis of the beam splitter 3 , and each bracket groove 16 is uniformly arranged around the upper surface 14 relative to the beam splitter groove 15 . The beam splitter 3 receives the incident light beam and reflects the incident light beam to form a reflected light beam, the reflective focusing mirror 4 receives the reflected light beam and converts the reflected light beam into a focused light beam, and the focused light beam passes through the The light outlet 160 of the support base 1 then forms a cladding focus on the substrate (not shown). The support base 1 is also provided with a first cooling system 6 for cooling medium circulation to cool down the reflective focusing mirror 4, a second cooling system 7 for cooling medium circulation to cool down the spectroscopic mirror 3, and A seat cover 8 arranged on the support seat 1 . Between the support base 1 and the support cover 8, there is a storage space (not labeled) for accommodating the beam splitter 3 and the reflective focusing mirror 4. 3 and the reflective focusing mirror 4 are accommodated, so that the overall structure of the device is collectivized, and at the same time it has a dust-proof effect. The top of the support cover 8 is provided with an opening (not labeled) that communicates the storage space with the outside, and the support cover 8 is provided with a light tube 9 docked with the opening. The support base 1 There is a connector 10 for fixing the light tube 9, the connector 10 is movably installed on the support base 1, and the connector 10 makes the light tube 9 relatively to the support base 1 displacement and/or deflection, thereby changing the position and angle relationship between the incident light beam and the beam splitter 3 .

Referring to Fig. 7, the first cooling system 6 of the present invention includes a pipeline 61 connecting three reflective focusing mirrors 4 and a cooling passage (not shown) formed in each of the reflective focusing mirrors 4, each of which The pipeline 61 is connected to the cooling channel. Both ends of each of the pipelines 61 are provided with water pipe male joints 611; both sides of each of the cooling passages are provided with passage openings 62, and each of the passage openings 62 is provided with a butt joint with the water pipe male joints 611 Water pipe female joint 621. In this embodiment, one end of the two water pipes 61 is respectively defined as a first water inlet 612 and a first water outlet 613, and the first water inlet 612 and the first water outlet 613 are arranged on the support cover (not shown). The first cooling system 6 can realize the cooling effect to the reflective focusing mirror 4, reduce the thermal deformation of the reflective focusing mirror 4, and improve its service life; meanwhile, the first water inlet 612 and the first water outlet 613 are arranged at The support cover is convenient for it to be directly connected with the external water supply system, which avoids affecting the precision of the device due to repeated disassembly, and improves the working efficiency.

Please refer to Fig. 8, the second cooling system 7 of the present invention includes a water inlet channel 71, a water outlet channel 72 and a beam splitter cavity 73 formed in the beam splitter 3, the water inlet channel 71 and the water outlet The channel 72 is connected to the cavity 73 of the beam splitter. The water inlet channel 71 and the water outlet channel 72 are opened in the support seat 1, the support seat 1 has a support seat side wall 11, and the water inlet channel 71 has a wall formed on the support seat side wall 11. The second water inlet 711 ; the water outlet 72 channel has a second water outlet 721 formed on the side wall 11 of the support base. Through the second cooling system 7, the cooling effect on the beam splitter 3 can be realized, the thermal deformation of the beam splitter 3 can be reduced, and the service life of the beam splitter 3 can be reduced; at the same time, the second water inlet 711 and the second water outlet 721 are arranged on the supporting base The side wall 11 facilitates its direct connection with the external water supply system, avoids the precision of the device being affected by repeated disassembly, and improves the working efficiency.

Referring to Fig. 9, the nozzle 2 of the present invention includes a nozzle 21, a gun body 22 and a fine-tuning device 23 for fine-tuning the position of the nozzle 2, the nozzle 21 is arranged at the bottom of the gun body 22, and the fine-tuning device 23 Arranged on the top of the gun body 22, the fine-tuning device 23 can be displaced relative to the support base (not shown). In this embodiment, the fine-tuning device 23 includes at least one gasket 231 and a fixing part 232 arranged on the top of the gun body 22. In this embodiment, the number of the gaskets 231 is 2 for illustration. , in other embodiments, the number of the spacers 231 can be one or three or more, the main purpose of which is to adjust the distance between the nozzle and the cladding focus. The spacer 231 is clamped between the fixing part 232 and the support base; the spacer 231 and the fixing part 232 are provided with a second via hole 233, and the second via hole 233 is inserted with a The second via rod 234 , the diameter of the second via hole 233 is larger than the diameter of the second via rod 234 . Since the diameter of the second via hole 233 is larger than the diameter of the second via hole rod 234, the nozzle 2 can be tightened by slightly moving the fine-tuning device 23 and then tightening the nozzle 2 through the second via hole rod 234. The purpose of achieving circumferential fine-tuning of the nozzle 2 relative to the support seat is achieved. In this embodiment, the second via rod 234 is a screw, and the second via rod 234 is connected to the support seat through threads (not shown). 234 and the connection relationship of the support seat. Of course, in other embodiments, the second via rod 234 can also be other fasteners.

In this embodiment, the nozzle 2 is a guide wire nozzle, and the gun body 22 has a side wall (not labeled) and a wire feeding chamber (not shown) surrounded by the side wall. The wire is located in the feeding chamber, and the wire feeding chamber extends along the longitudinal direction of the side wall. One side of the side wall is provided with a longitudinal opening 24, and the longitudinal opening 24 extends along the longitudinal direction of the side wall.

Referring to FIG. 10 in combination with FIG. 14 , the adjusting bracket 5 of the present invention includes a frame body 51 and a first rotating shaft 52 disposed on the frame body 51 . The reflective focusing mirror 4 includes a paraboloid 42 that converts the reflected beam into a focused beam, a left side (not shown) and a right side (not labeled) connected to the paraboloid 42 respectively, and a The through hole 41 on the right side. The first rotating shaft 52 passes through the through hole 41 . The frame body 51 includes two oppositely arranged side panels (not labeled), an oppositely arranged top panel (not labeled) and a bottom panel (not shown), and a back panel (not shown) connecting the side panels, the top panel and the bottom panel. ), the side plate, the top plate, the bottom plate and the back plate are surrounded to form a focusing mirror groove 511, the reflective focusing mirror 4 is arranged in the focusing mirror groove 511, and the first rotating shaft 52 penetrates and is installed in the On the frame body 51 , the reflective focusing mirror 4 rotates relative to the frame body 51 with the first rotating shaft 52 as an axis. The adjusting bracket 5 also includes at least one first adjusting member 53 arranged on the frame body 51. In this embodiment, based on the consideration of cost and fine-tuning process, the number of the first adjusting member 53 is 2, And are respectively arranged above and below the first rotating shaft 52 . The first adjusting member 53 is disposed on the back plate, and an end of the first adjusting member 53 is against the reflective focusing mirror 4 . After fine-tuning the position of the reflective focus mirror 4 by rotating the reflective focus mirror 4, the first adjustment member 53 is used to fasten the reflective focus mirror 4 to prevent the reflective focus mirror 4 from being damaged due to external force or gravity. Displacement, so that the reflective focusing mirror 4 can rotate up and down relative to the adjustment bracket 5 .

Please refer to FIG. 11 , in this embodiment, the adjustment bracket 5 also includes a second rotating shaft 54 arranged on the frame body 51 , and a second rotating shaft 54 matched with the second rotating shaft 54 is provided on the support base 1 . Two shaft holes 12. The adjusting bracket 5 also includes a screw 55 arranged on the lower part of the frame body 51 and a second adjusting member 56 arranged on the side wall of the support seat, the second adjusting member 56 is arranged opposite to the second rotating shaft 54 The left and right sides, and the second adjustment member 56 is against the adjustment bracket 5; the support seat 1 is provided with an arc-shaped groove 13, and the screw rod 55 partially extends into the arc-shaped groove 13 , the adjusting bracket 5 is fixed on the support seat 1 through the screw rod 55 . In this embodiment, disposing the second rotating shaft 54 can adjust the adjustment bracket 5 more conveniently so as to fine-tune the circumferential position of the reflective focus mirror (not shown), and adjust the circumferential position of the reflective focus mirror 4 by rotating the reflective focus mirror 4 After fine-tuning, the reflective focusing mirror 4 is fastened by the second adjustment member 56 to prevent the reflective focusing mirror 4 from being displaced due to external force, so as to realize the circumferential rotation of the reflective focusing mirror 4 relative to the adjustment bracket 5 . Indeed, in other embodiments, only the arc groove 13 and the second adjusting member 56 may be provided to adjust the circumferential position of the reflective focusing mirror.

In this embodiment, the second adjustment member 56 for fine-tuning the circumferential position of the reflective focusing mirror 4 is arranged outside the optical path in the laser cladding device. The main consideration is that when adjusting the position of the reflective focusing mirror 4, the The light beam, because the light beam has high energy, if it touches the human body, it will cause a great safety accident, so the second adjustment member 56 is arranged outside the device, which has the advantages of convenient adjustment by the user and reduces potential safety hazards.

Please refer to FIG. 12, the seat cover 8 of the present invention has a seat cover side wall 81, and the seat cover side wall 81 is provided with a shutter 811 and a position corresponding to each of the adjustment brackets 5 and used to expose the Adjust the gate (unlabeled) of the bracket 5, so as to facilitate the adjustment of the first adjusting member 53, and the shutter 811 seals the gate; meanwhile, the first adjusting member 53 is arranged outside the optical path of the laser cladding device , it is convenient to directly adjust the position of the reflective focusing mirror 4, and reduce potential safety hazards in the adjustment process.

Referring to Fig. 13, the connector 10 of the present invention includes a fixed ring 102 with a top surface (not numbered) and a bottom surface (not numbered) arranged oppositely, an upper ring 101 positioned on the top surface and a ring 101 positioned under the bottom surface. The lower ring 103; the fixing ring 102, the upper ring 101 and the lower ring 103 are all formed with mounting holes 104, and the light tube 9 is inserted into the mounting holes 104 of the upper ring 101 and the fixing ring 102 in sequence, and It is fixed by the fixing ring 102; the fixing ring 102 and the upper ring 101 are also provided with at least two threaded holes (unlabeled), each of which is inserted with an adjusting screw 105, and the bottom end of the adjusting screw 105 Supporting the lower ring 103, the adjustment screw 105 can move up and down relative to the fixed ring 102 by rotating, so as to realize the deflection adjustment of the fixed ring 102 relative to the connector 10, so that the angle of the incident beam can be adjusted; while the lower ring The main function of 103 is to prevent the bottom end of the adjusting screw 105 from scratching the surface of the support cover (not shown), resulting in a decrease in its accuracy. In this embodiment, based on the manufacturing process and fine-tuning considerations, the number of the threaded holes and the adjusting screw 105 is three, which can fully achieve the purpose of adjusting the angle of the incident beam. It is true that in other embodiments, the threaded holes and adjustment The number of screws 105 can also be two or four or more. The upper ring 101, the fixed ring 102 and the lower ring 103 are all provided with a first via hole 106, and the support base (not shown) is provided with a first via rod 107, and the first via rod 107 Inserted into the first via hole 106 , and the diameter of the first via hole 106 is larger than the diameter of the first via hole rod 107 . Since the diameter of the first via hole 106 is larger than the diameter of the first via rod 107, the connector 10 can be tightened by the first via rod 107 after slightly moving the connector 10. , so as to achieve the purpose of fine-tuning the incident light beam relative to the support seat in the circumferential direction. In this embodiment, the first through-hole rod 107 is a first through-hole screw, and the first through-hole screw 107 is connected to the support seat through threads (not shown). Of course, in other embodiments, The first hole rod 107 can also be other fastening devices.

In this embodiment, the fixing ring 102 includes a protruding portion 1021 and an interlayer portion 1022 , and the protruding portion 1021 passes through the mounting hole 104 of the upper ring 101 and is disposed along the height direction of the connecting head 10 . Moreover, the material used for the lower ring 103 has a higher hardness than the material used for the supporting seat, so as to prevent the adjusting screw 105 from scratching the supporting seat, resulting in poor positioning accuracy.

In this embodiment, the beam splitter 3 includes at least two beam splitter surfaces 31 corresponding to the quantity of the reflective focusing mirror 4, and each of the beam splitter surfaces 31 is a plane; indeed, in other embodiments, the beam splitter surfaces 21 can also be an arc surface. Each of the reflective focusing mirrors 4 has a reflective focusing mirror 42 towards the beam splitting mirror 31; connected.

Please refer to Fig. 15 in conjunction with Fig. 6 and Fig. 14, the setting method of the paraboloid 42 of a laser cladding device according to the present invention can be used in the above-mentioned laser cladding device, the structure of the laser cladding device will not be described in detail, the setting Methods as below:

S1. Define the section of the paraboloid 42 in the height direction of the laser cladding device as a reference plane, and define the height direction of the laser cladding device as the y-axis of the reference plane (correspondingly, perpendicular to the y-axis in the reference plane The other direction is the x-axis), the parabola 20 of the parabola 42 defined in the datum plane is a right open parabola, and the parabola 20 passes through the origin O(0,0) of the datum plane, the parabola of the parabola The focal point F falls on the x-axis of the datum plane;

S2, define the distance from the apex of the beam splitter 3 to the paraboloid 42 as a, define the distance from the apex of the beam splitter 3 to the focal point F of the parabola 20 as b, and then obtain: on the parabola 20, the beam splitter 3 The coordinates of the point of intersection between the horizontal extension line of the vertex and this parabola 20: p/2-a,b;

S3. Substitute the coordinates of the intersection point into the equation of the parabola 20 to calculate the parabola 20 of the parabola 42, and form the parabola 42 by rotating the obtained parabola 20 around the x-axis of the reference plane. The equation of the parabola 20 is y ² =b ² /(p/2-a)*x, and its inversion is as follows:

Determine the coordinates of the intersection point: p/2-a,b

Since the right open parabola 20 formula is: y ² =2Px

Therefore, it is deduced that P=b ² /2(p/2-a)

Furthermore, the equation of the parabola 20 is: y ² =2Px=2*b ² /2(p/2-a)*x=b ² /(p/2-a)*x

Wherein, a is the distance from the apex of the beam splitter 3 to the parabola 42 , and b is the distance from the apex of the beam splitter 3 to the focus of the parabola 20 .

The above setting method is used for the parabola 42 of each reflective focusing mirror 4, and the parabola 20 of each parabola 42 must be rotated around the X axis to form a parabola.

To sum up, the method for setting the parabola of the above-mentioned laser cladding device obtains the parabola 20 where the parabola 42 is located by calculation, thereby obtaining the parabola. The difficult problem of selecting a paraboloid, by using the setting method, the assembly of the laser cladding device is accelerated, and the laser cladding device can obtain the best working effect.

In this embodiment, the lower guide nozzle 114 is connected with a guide tube 119 .

Referring to Fig. 16 and Fig. 17, it is a schematic diagram of the sealing structure of this embodiment, the sealing structure includes a support base 1 and a support cover 8, the guide wire tube 119 passes through the support base 1 and the support cover 8, the guide wire tube 119 and the support cover 8 The upper sealing gasket 171 is provided at the intersection position of the seat cover 8, and the upper sealing gasket 171 has a circular structure, and is provided with bolt fixing holes and through holes, and the bolt fixing holes can fix the upper sealing gasket 171 on the support cover 8, the guide wire tube 119 extends into the inside of the sealing structure through the through hole; the support cover 8 and the support base 1 are a mutual cooperation structure, and the support base 1 is provided with a light outlet 160, and the guide wire tube 119 and the support base 1 The intersecting position is provided with a lower sealing gasket 172, the lower sealing gasket 172 is an elliptical structure, and is provided with a through hole of the wire guide tube 119 and a columnar through hole 173, and the columnar through hole 173 is used to connect the support seat 1 with bolts. Through the columnar through hole 173, the lower sealing gasket 172 can move along the direction of the columnar through hole 173 to adjust the angle of the guide wire tube 119, so that the wire can pass through the guide wire tube 119 more smoothly. The light-transmitting mirror 170 below the seat 1 can be integrated with the support seat 1 on the surface of the light outlet 160. The light-transmitting mirror 170 is a cylindrical structure provided with a hollow part, and the hollow part makes the nozzle 2 Directly connected to the support base 1, the guide wire tube 119 passes through the support base 1 and shoots out from the hollow part, and the light-transmitting lens 170 is sealed on the surface of the light outlet 160, so the sealing structure, through the support base 1 and the support base cover 8, When the guide wire tube 119 passes through the support seat 1 and the support cover 8, the upper sealing gasket 171 and the lower sealing gasket 172 are used to seal, the light outlet 160 provided on the support seat 1, and the light-transmitting mirror 170 are sealed and arranged at the light outlet position, The light beam can be transmitted, and there are beam splitters and focusing mirrors that can prevent dust, smoke and other explosives from splashing into the nozzle during cladding, which will affect the effect of light splitting and focusing, and affect the life of the lens.

As shown in the schematic diagram of the adjustable wire reel structure in Figure 18, an adjustable wire reel structure 221 includes a bearing part 116, a wire reel support 112 and a wire reel 111, and the wire reel support 112 includes a fixing part 1121 and an extension part, so The extension part is vertically arranged at one end of the fixing part 1121, and the fixing part 1121 is bolted to the bearing part 116. The wire disc 111 is arranged on the extension part, and the wire 111 is a cylindrical surface with a hollow part and a concave in the middle. structure, the hollow part runs through the extension part, the concave structure is used for winding wire, the bearing part 116 is provided with at least two through holes 2211, and the fixing part 1121 is also provided with at least two through holes. hole 2211, the bolt passes through the through hole 2211 on the fixing part 1121 and the bearing part 116 and is fixedly connected to the wire reel bracket 112 and the bearing part 116. In one embodiment, the bolt includes a screw rod and three nuts, two of which Two nuts are arranged on the screw between the fixing part 1121 and the bearing part 116, and one is arranged on the outermost side of the screw, and the nut arranged between the fixing part 1121 and the bearing part 116 is adjusted to cooperate with the screw to fix the fixing part 1121, and the adjustment is arranged on The nuts between the fixing part 1121 and the bearing part 116 are arranged on the outermost nut of the screw to fix the bearing part 116, and the distance between the fixing part 1121 and the bearing part 116 can be adjusted by adjusting the positions of the three nuts. In another embodiment Among them, the bolt includes a screw, and the through hole 2211 is provided with a thread, and the thread is a thread corresponding to the matching screw. In another embodiment, the length of the extension part is greater than the width of the wire reel 111 , the extension part is provided with threads and nuts, the nuts are arranged on both sides of the wire reel 111, the position of the wire reel 111 can be defined by adjusting the position of the nuts, thereby adjusting the position of the wire reel 111, the fixed part 1121 and The extensions are connected by bearings.

The various technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. a kind of adjustable wire tray structure, including：Supporting part, wire tray support and wire tray, it is characterised in that：The wire tray support bag Fixed part and extension are included, the extension is vertically installed in fixed part one end, and the fixed part bolt connection supporting part is described Wire tray is arranged on extension.

A kind of 2. adjustable wire tray structure as claimed in claim 1, it is characterised in that：The wire tray is the circle with hollow bulb The cylindrical structural of indent in the middle part of cylinder, through extension, the concave inward structure is used to wind silk material the hollow bulb.

A kind of 3. adjustable wire tray structure as claimed in claim 1, it is characterised in that：At least two are provided with the supporting part Individual through hole, at least two through holes are also equipped with the fixed part, and the bolt is consolidated through the through hole on fixed part and supporting part Determine connecting filament disc carrier and supporting part.

A kind of 4. adjustable wire tray structure as claimed in claim 3, it is characterised in that：The bolt, including：Screw rod and three Nut, two of which nut are arranged on the screw rod between fixed part and supporting part, and one is arranged at screw rod outermost, and regulation is set The nut being placed between fixed part and supporting part coordinates screw rod to fix fixed part, and regulation is arranged between fixed part and supporting part Nut is equipped with fixes supporting part in screw rod outermost nut, and fixed part and carrying are adjusted by adjusting three nut positions Distance between portion.

A kind of 5. adjustable wire tray structure as claimed in claim 3, it is characterised in that：The bolt, including：One screw rod, institute State and silking is provided with through hole, the silking is corresponding matching screw rod silking.

A kind of 6. adjustable wire tray structure as claimed in claim 1, it is characterised in that：Its length of the extension is more than wire tray Width.

A kind of 7. adjustable wire tray structure as claimed in claim 6, it is characterised in that：Be provided with the extension screw thread and Nut, the nut are arranged at wire tray both sides, and wire tray position can be limited by regulating nut position, so as to adjust wire tray position Put.

A kind of 8. adjustable wire tray structure as claimed in claim 1, it is characterised in that：The fixed part and extension pass through axle Hold link.

A kind of 9. wire-feed motor, it is characterised in that：Including the adjustable wire tray structure described in any one of claim 1 to 9.

A kind of 10. laser cladding device, it is characterised in that：Including the wire-feed motor described in claim 9.