CN213318794U - Laser cladding and electrolytic grinding combined machining device - Google Patents
Laser cladding and electrolytic grinding combined machining device Download PDFInfo
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- CN213318794U CN213318794U CN202022306081.1U CN202022306081U CN213318794U CN 213318794 U CN213318794 U CN 213318794U CN 202022306081 U CN202022306081 U CN 202022306081U CN 213318794 U CN213318794 U CN 213318794U
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Abstract
The utility model provides a laser cladding and electrolytic grinding combined machining device, including first stand, second stand and work piece moving mechanism, be equipped with laser cladding mechanism on the first stand, be equipped with electrolytic grinding mechanism on the second stand, work piece moving mechanism includes the main tapping, chuck and ejector pin, be equipped with the slide rail along length direction on the lathe bed, main tapping and ejector pin lower extreme all are equipped with the first slip table with slide rail sliding connection, be equipped with the connecting rod between the two first slip tables, be equipped with electrically conductive sliding ring between main tapping and the chuck, be equipped with the drive chuck on the chuck along axis pivoted motor, the one end of work piece is located to the chuck, the other end of work piece is located to the ejector pin. The utility model provides a pair of laser cladding and electrolytic grinding combined machining device adopts and sets up laser cladding mechanism and electrolytic grinding mechanism on the lathe and processes axle type work piece surface, and both synchronous operation when guaranteeing work piece surface performance, guarantees work piece surface size precision and surface finish, and work efficiency is high, and product quality is good.
Description
Technical Field
The utility model relates to a machine tool machining technical field especially relates to a laser cladding and electrolytic grinding combined machining device.
Background
The laser cladding is a process method of adding an external material into a molten pool formed by a substrate after laser irradiation and enabling the external material and the substrate to be rapidly solidified to form a coating layer, and the coating layer is metallurgically bonded with the substrate, so that the wear-resisting, corrosion-resisting, heat-resisting, oxidation-resisting or electrical characteristics of the surface of the substrate material can be obviously improved, the purpose of surface modification or repair is achieved, the specific performance requirements of the surface of the material are met, and meanwhile, a large amount of material cost can be saved. Compared with surfacing, spraying, electroplating and vapor deposition, laser cladding has the characteristics of small dilution, compact structure, good combination of a coating and a matrix, more suitable cladding materials, large particle size and content change and the like, so the application prospect of the laser cladding technology is very wide.
However, the workpiece subjected to laser cladding has poor surface roughness, dimensional accuracy and surface smoothness, and cannot meet production requirements, so that after an external material is cladded on the surface of the workpiece, the workpiece needs to be mounted on a machine tool for secondary processing, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: in order to overcome the defects in the prior art, the utility model provides a laser cladding and electrolytic grinding combined machining device.
The utility model provides a technical scheme that its technical problem will adopt is: a laser cladding and electrolytic grinding combined machining device comprises a first stand column, a second stand column and a workpiece moving mechanism which are arranged on a lathe bed, wherein a laser cladding mechanism for cladding modified materials on the surface of a workpiece is arranged on the first stand column, an electrolytic grinding mechanism for improving the size precision of the surface of the workpiece is arranged on the second stand column, the workpiece moving mechanism comprises a main shaft head, a chuck and an ejector rod, a slide rail is arranged on the lathe bed along the length direction, first sliding tables which are connected with the slide rail in a sliding manner are arranged at the lower ends of the main shaft head and the ejector rod respectively, a connecting rod is arranged between the first sliding tables, a servo feeding mechanism for driving the sliding tables to slide along the slide rail is arranged on the first sliding table connected with the main shaft head, a conductive sliding ring is arranged between the main shaft head and the chuck, a motor for driving the chuck to rotate along the axis is arranged on the, the ejector rod is arranged at the other end of the workpiece in an ejecting mode.
The chuck is used for fixing one end of a shaft workpiece, is rotationally connected with the main shaft head through a conductive slip ring, and is driven by the motor to rotate along the axis so as to drive the workpiece to rotate along the axis; the laser cladding mechanism is used for improving the surface performance of a workpiece after laser cladding of shaft parts, but the surface roughness after laser cladding is poor, and then the electrolytic grinding method of the electrolytic grinding mechanism is adopted to improve the surface size precision and the surface smoothness without changing the performance of the shaft surface after laser cladding; the first sliding table on the main shaft head is used for driving a workpiece to move from the lower part of the laser cladding mechanism to the lower part of the electrolytic grinding mechanism under the driving of the servo feeding mechanism; the ejector rod is used for ejecting the other end of the shaft workpiece and preventing the shaft workpiece from bending downwards under the influence of gravity; the connecting rod is arranged between the two first sliding tables and used for keeping the two first sliding tables fixed relatively after the ejector rod abuts against the other end of the shaft workpiece, so that the ejector rod is driven to move synchronously when the servo feeding mechanism drives the main shaft head to move, and the ejector rod always abuts against the end part of the workpiece.
Further, for cladding modified material to shaft class work piece surface, laser cladding mechanism includes laser generator and metal powder storage bucket, be equipped with the second slip table between laser generator and the first stand, laser generator and second slip table fixed connection, second slip table and first stand sliding connection, be equipped with drive second slip table in the first stand along gliding actuating mechanism from top to bottom of vertical direction, the metal powder storage bucket is located laser generator one side, metal powder storage bucket lower extreme is equipped with the feed pipe, the feed pipe other end extends to the laser generator output.
When metal powder is conveyed to the surface of a workpiece through a conveying pipe by a storage barrel, a laser generator instantly melts the metal powder, after the workpiece rotates and deviates from a laser processing area, a molten liquid is cooled and then solidified on the surface of a shaft part, the shaft part moves right while rotating, and thus a layer of modified material is clad on the right surface of the shaft. After the laser cladding of the shaft surface is finished, the second sliding table drives the laser generator to rapidly move upwards, and the head of the laser generator is prevented from interfering with the head of the X-axis main shaft.
Further, in order to improve surface size precision and surface finish after the work piece surface melts and covers the modified material, electrolysis grinding mechanism includes the negative pole frame, one side that the negative pole frame is close to the second stand is equipped with the insulation board, be equipped with the third slip table between insulation board and the second stand, third slip table and second stand sliding connection, be equipped with drive third slip table gliding actuating mechanism from top to bottom along vertical direction in the second stand, be equipped with the negative pole that sets up towards the work piece direction on the negative pole frame, be equipped with the inlet channel of mutual intercommunication in negative pole and the negative pole frame, inlet channel and electrolyte inlet means intercommunication still include the electrolysis power, the positive and the electrically conductive sliding ring of electrolysis power are connected, the electrolysis power negative pole is connected with the negative pole frame.
The driving mechanism is used for driving the third sliding table to move up and down so as to drive the cathode on the cathode frame to be close to or far away from the workpiece; the cathode of the electrolytic power supply is connected with the cathode frame, the cathode is arranged in the cathode frame, so that the cathode is conducted with the cathode of the power supply, and the anode of the electrolytic power supply is connected with the conductive slip ring, so that a workpiece arranged on the chuck is kept conducted with the conductive slip ring; the electrolyte liquid inlet device is used for injecting electrolyte into the cathode, and the electrolyte is sprayed into a machining gap between the cathode and a workpiece at a certain pressure from the head of the cathode to participate in electrochemical reaction of electrolytic grinding machining.
Further, still include electrolyte inlet means, electrolyte inlet means includes force pump and clean cistern, the force pump input end lead to pipe with clean cistern intercommunication, force pump output end pass through the water pipe with the inlet channel intercommunication, the lathe bed below is equipped with the waste liquid groove that is used for receiving waste electrolyte, the intercommunication has the back flow between waste liquid groove and the clean liquid groove, be equipped with the high-pressure pump on the back flow and filter the frame, be equipped with the multilayer filter in the filter frame.
The pressure pump can send electrolyte into the inside inlet channel of negative pole from the inlet channel through the pipeline, spout with certain pressure by the head of grinding negative pole again and in the machining clearance between the work piece, participate in the electrolytic grinding processing electrochemical reaction, the electrolyte that participates in processing all gets back to electrolyte waste liquid groove, filters the back to the multilayer filter frame through the high-pressure pump, gets into clean cistern, supplies next use.
Furthermore, a plurality of connecting holes are formed in the connecting rod at intervals, a plurality of threaded holes matched with the connecting holes are formed in the first sliding table, and bolts are arranged in the threaded holes. The connecting rod is fixed on the two first sliding tables through the bolts penetrating through the connecting holes and the threaded holes, and the matched connecting holes are different when the distance between the two first sliding tables is different.
Further, in order to ensure that the ejector rod is tightly pressed at the other end of the workpiece, the ejector rod is arranged on the connecting plate and is in threaded connection with the connecting plate, a turntable is arranged at one end, away from the workpiece, of the ejector rod, a locking buckle used for fixing the position of the ejector rod is arranged on the connecting plate, and the lower end of the connecting plate is fixedly connected with the first sliding table.
The utility model has the advantages that: the utility model provides a pair of laser cladding and electrolytic grinding combined machining device adopts and sets up laser cladding mechanism and electrolytic grinding mechanism on the lathe and processes axle type work piece surface, and both synchronous operation when guaranteeing work piece surface performance, guarantees work piece surface size precision and surface finish, and work efficiency is high, and product quality is good.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1;
FIG. 3 is an enlarged schematic view of B of FIG. 1;
fig. 4 is an enlarged schematic view of C in fig. 1.
In the figure: 1. the device comprises a first upright column, a second upright column, a 3, a spindle head, a 4, a chuck, a 5, a top rod, a 6, a sliding rail, a 7, a first sliding table, a 8, a connecting rod, a 9, a conductive sliding ring, a 10, a workpiece, 11, a laser generator, 12, a storage barrel, a 13, a second sliding table, a 14, a feeding pipe, 15, a cathode frame, 16, a third sliding table, 17, a cathode, 18, a liquid inlet channel, 19, a power supply, 20, a pressure pump, 21, a liquid purifying groove, 22, a waste liquid groove, 23, a filter frame, 24, a locking buckle, 25, an insulating plate, 26 and a connecting plate.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
As shown in fig. 1-4, the laser cladding and electrolytic grinding combined machining device of the present invention comprises a first column 1, a second column 2 and a workpiece moving mechanism arranged on a machine tool, wherein the first column 1 is provided with a laser cladding mechanism for cladding a modified material on the surface of a workpiece 10, the second column 2 is provided with an electrolytic grinding mechanism for improving the surface dimensional accuracy of the workpiece 10, the workpiece moving mechanism comprises a spindle head 3, a chuck 4 and a push rod 5, the machine tool is provided with a slide rail 6 along the length direction, the lower ends of the spindle head 3 and the push rod 5 are respectively provided with a first sliding table 7 slidably connected with the slide rail 6, a connecting rod 8 is arranged between the two first sliding tables 7, the first sliding table 7 connected with the spindle head 3 is provided with a servo feeding mechanism for driving the sliding table to slide along the slide rail 6, and the servo feeding mechanism is specifically a lead screw assembly, the motor drives lead screw corotation and reversal to drive first slip table 7 on the spindle head 3 round trip movement on slide rail 6, be equipped with conductive slip ring 9 between spindle head 3 and the chuck 4, be equipped with drive chuck 4 on the chuck 4 along axis pivoted motor, the one end of work piece 10 is located to chuck 4 card, the other end of work piece 10 is located on the top of ejector pin 5.
Laser cladding mechanism includes laser generator 11 and metal powder storage bucket 12, be equipped with second slip table 13 between laser generator 11 and the first stand 1, laser generator 11 and second slip table 13 fixed connection, second slip table 13 and first stand 1 sliding connection, be equipped with drive second slip table 13 in the first stand 1 along gliding actuating mechanism from top to bottom of vertical direction, actuating mechanism specifically is lead screw assembly, and the motor drives lead screw corotation and reversal to drive second slip table 13 and rise or descend along first stand 1, metal powder storage bucket 12 is located laser generator 11 one side, 12 lower extremes of metal powder storage bucket are equipped with feed pipe 14, the feed pipe 14 other end extends to laser generator 11 output.
The electrolytic grinding mechanism comprises a cathode frame 15, an insulating plate 25 is arranged on one side of the cathode frame 15 close to the second upright post 2, a third sliding table 16 is arranged between the insulating plate 25 and the second upright post 2, the third sliding table 16 is connected with the second upright post 2 in a sliding way, a driving mechanism for driving the third sliding table 16 to slide up and down along the vertical direction is arranged in the second upright post 2, the driving mechanism is a screw rod assembly, a motor drives a screw rod to rotate forwards and backwards, thereby driving the third sliding table 16 to ascend or descend along the second upright post 2, the cathode frame 15 is provided with a cathode 17 arranged towards the workpiece 10, the cathode 17 and the cathode frame 15 are internally provided with a liquid inlet channel 18 which is communicated with each other, the liquid inlet channel 18 is communicated with an electrolyte inlet device, the electrolysis device also comprises an electrolysis power supply 19, the anode of the electrolysis power supply 19 is connected with the conductive slip ring 9, and the cathode of the electrolysis power supply 19 is connected with the cathode frame 15.
Still include electrolyte inlet means, electrolyte inlet means includes force pump 20 and clean cistern 21, force pump 20 input lead to pipe with clean cistern 21 intercommunication, force pump 20 output pass through the water pipe with the inlet channel intercommunication, the lathe bed below is equipped with the waste liquid groove 22 that is used for receiving waste electrolyte, the intercommunication has the back flow between waste liquid groove 22 and the clean liquid groove 21, be equipped with high-pressure pump and filter frame 23 on the back flow, be equipped with the multilayer filter in the filter frame 23.
A plurality of connecting holes are formed in the connecting rod 8 at intervals, a plurality of threaded holes matched with the connecting holes are formed in the first sliding table 7, and bolts are arranged in the threaded holes. The ejector rod 5 is arranged on the connecting plate 26 and is in threaded connection with the connecting plate 26, a rotary table is arranged at one end, away from the workpiece 10, of the ejector rod 5, a locking buckle 24 used for fixing the position of the ejector rod 5 is arranged on the connecting plate 26, and the lower end of the connecting plate 26 is fixedly connected with the first sliding table 7.
The working process is as follows:
in the processing, the shaft workpiece 10 rotates along with the spindle motor, the right end of the workpiece 10 is positioned at the lower end of the laser generator 11, when metal powder is placed on the shaft surface through the storage barrel 12 by the conveying pipe, the laser generator 11 instantly melts the metal powder, after the shaft part rotates and deviates from a laser processing area, the molten liquid is cooled and then is solidified on the surface of the shaft part, the shaft part moves towards the direction of the cathode 17 while rotating, and thus a layer of modified material is coated on the right surface of the shaft. After laser cladding of the shaft surface is finished, the second sliding table 13 moves upwards rapidly to prevent the head of the laser generator 11 from interfering with the X-axis spindle head 3, when the workpiece 10 moves below the electrolytic grinding cathode 17, the third sliding table 16 moves downwards to enable the grinding cathode 17 to be attached to the shaft surface, the electrolytic grinding power supply 19 and the electrolytic liquid pump are started, electrolytic grinding processing can be carried out on the shaft surface until the size precision and the surface roughness of the shaft part meet the technological requirements, and after the laser cladding area is ground, the electrolytic grinding cathode 17 moves upwards to leave the workpiece 10.
Directions and references (e.g., up, down, left, right, etc.) in the present disclosure may be used solely to aid in the description of the features in the figures. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a laser cladding and electrolytic grinding combined machining device which characterized in that: including locating first stand (1), second stand (2) and the work piece moving mechanism on the lathe bed, be equipped with the laser cladding mechanism that is used for cladding modified material to work piece (10) surface on first stand (1), be equipped with the electrolytic grinding mechanism that is used for improving work piece (10) surface dimension precision on second stand (2), work piece moving mechanism includes spindle head (3), chuck (4) and ejector pin (5), be equipped with slide rail (6) along length direction on the lathe bed, spindle head (3) and ejector pin (5) lower extreme all are equipped with first slip table (7) with slide rail (6) sliding connection, two be equipped with connecting rod (8) between first slip table (7), with be equipped with on first slip table (7) that spindle head (3) is connected and be used for driving the slip table along the gliding servo feed mechanism of slide rail (6), be equipped with conductive sliding ring (9) between spindle head (3) and chuck (4), be equipped with drive chuck (4) on chuck (4) along axis pivoted motor, the one end of work piece (10) is located in chuck (4) card, the other end of work piece (10) is located on ejector pin (5) top.
2. The laser cladding and electrolytic grinding combined machining device as claimed in claim 1, wherein: laser cladding mechanism includes laser generator (11) and metal powder storage bucket (12), be equipped with second slip table (13) between laser generator (11) and first stand (1), laser generator (11) and second slip table (13) fixed connection, second slip table (13) and first stand (1) sliding connection, be equipped with drive second slip table (13) in first stand (1) along gliding actuating mechanism from top to bottom of vertical direction, metal powder storage bucket (12) are located laser generator (11) one side, metal powder storage bucket (12) lower extreme is equipped with feed pipe (14), feed pipe (14) other end extends to laser generator (11) output.
3. The laser cladding and electrolytic grinding combined machining device as claimed in claim 1 or 2, wherein: the electrolytic grinding mechanism comprises a cathode frame (15), an insulating plate (25) is arranged on one side of the cathode frame (15) close to the second upright post (2), a third sliding table (16) is arranged between the insulating plate (25) and the second upright post (2), the third sliding table (16) is connected with the second upright post (2) in a sliding way, a driving mechanism for driving the third sliding table (16) to slide up and down along the vertical direction is arranged in the second upright post (2), the cathode frame (15) is provided with a cathode (17) which is arranged towards the workpiece (10), liquid inlet channels (18) which are communicated with each other are arranged in the cathode (17) and the cathode frame (15), the liquid inlet channel (18) is communicated with an electrolyte inlet device and also comprises an electrolysis power supply (19), the anode of the electrolysis power supply (19) is connected with the conductive slip ring (9), and the cathode of the electrolysis power supply (19) is connected with the cathode frame (15).
4. The laser cladding and electrolytic grinding combined machining device as claimed in claim 3, wherein: still include electrolyte inlet means, electrolyte inlet means includes force pump (20) and clean liquid groove (21), force pump (20) input lead to pipe with clean liquid groove (21) intercommunication, force pump (20) output pass through the water pipe with the inlet channel intercommunication, the lathe bed below is equipped with waste liquid groove (22) that are used for receiving waste electrolyte, the intercommunication has the back flow between waste liquid groove (22) and clean liquid groove (21), be equipped with high-pressure pump and filter frame (23) on the back flow, be equipped with the multilayer filter in filter frame (23).
5. The laser cladding and electrolytic grinding combined machining device as claimed in claim 1, wherein: the connecting rod (8) is provided with a plurality of connecting holes at intervals, the first sliding table (7) is provided with a plurality of threaded holes matched with the connecting holes, and bolts are arranged in the threaded holes.
6. The laser cladding and electrolytic grinding combined machining device as claimed in claim 5, wherein: ejector pin (5) locate on connecting plate (26) with connecting plate (26) threaded connection, the one end that work piece (10) were kept away from in ejector pin (5) is equipped with the carousel, be equipped with on connecting plate (26) and be used for locking of fixed ejector pin (5) position to detain (24), connecting plate (26) lower extreme and first slip table (7) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022306081.1U CN213318794U (en) | 2020-10-15 | 2020-10-15 | Laser cladding and electrolytic grinding combined machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022306081.1U CN213318794U (en) | 2020-10-15 | 2020-10-15 | Laser cladding and electrolytic grinding combined machining device |
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| Publication Number | Publication Date |
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| CN213318794U true CN213318794U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022306081.1U Active CN213318794U (en) | 2020-10-15 | 2020-10-15 | Laser cladding and electrolytic grinding combined machining device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878473A (en) * | 2021-09-30 | 2022-01-04 | 常州工学院 | Pneumatic grinding and polishing device |
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2020
- 2020-10-15 CN CN202022306081.1U patent/CN213318794U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878473A (en) * | 2021-09-30 | 2022-01-04 | 常州工学院 | Pneumatic grinding and polishing device |
| CN113878473B (en) * | 2021-09-30 | 2023-12-19 | 常州工学院 | Pneumatic grinding and polishing device |
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