CN214978388U - Short arc machinery combined machining inner flushing liquid quick tool changing machine tool spindle - Google Patents

Abstract

The utility model relates to a machine tool technical field, specifically speaking relates to a quick tool changing lathe main shaft of dashing liquid in short electric arc machinery combined machining. It includes the guide rail, the guide rail outer wall slides and is provided with the slider, the slider tip has last casing and lower casing through roof bolted connection, go up the casing with the outer side of inferior valve is connected with main shaft installation box, the inside mounting panel that is equipped with of main shaft installation box, be equipped with brush telecontrol equipment on the mounting panel, the inside short electric arc main shaft that is provided with of brush telecontrol equipment, short electric arc main shaft includes the tool changing support column, brush telecontrol equipment is fixed tool changing support column outer wall, the inside electric installation that rotates of tool changing support column has the rotary drive, the utility model discloses during add the work piece and the tool electrode contactless of processing usefulness, do not have cutting force, cutting heat for the work piece is difficult for taking place to warp when processing thin wall spare, and machining precision is high, and surface quality is good.

Description

Short arc machinery combined machining inner flushing liquid quick tool changing machine tool spindle

Technical Field

The utility model relates to a machine tool technical field, specifically speaking relates to a quick tool changing lathe main shaft of dashing liquid in short electric arc machinery combined machining.

Background

High-temperature alloy, high-hardness metal and thin-wall structural parts are widely used in the aviation industry, wherein the thin-wall structural parts are complex in structural shape, high in requirement for coordination of appearance, large in machining allowance and low in relative rigidity, machining deformation is easy to occur under the influence of factors such as cutting force, cutting heat, residual stress and clamping force, machining precision is not easy to control, for the high-temperature alloy and the high-hardness metal, due to the fact that the hardness is high, the traditional machining efficiency is low, the machining period is long, the machining cost is high, when a workpiece is in contact with a tool electrode for machining, the workpiece is easy to deform when the thin-wall part is machined due to the cutting force and the cutting heat, and the machining precision and the surface quality are difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick tool changing lathe main shaft of dashing liquid in short electric arc machinery combined machining to solve the problem that provides among the above-mentioned background art.

In order to achieve the purpose, the utility model provides a short arc mechanical combined machining inner flushing liquid quick tool changing machine tool spindle, which comprises a guide rail, wherein the outer wall of the guide rail is provided with a slide block in a sliding way, the end part of the slide block is connected with an upper shell and a lower shell through a top plate bolt, the outer sides of the upper shell and the lower shell are connected with a spindle mounting box body, a mounting plate is arranged inside the spindle mounting box body, a brush moving device is arranged on the mounting plate, a short arc spindle is arranged inside the brush moving device, the short arc spindle comprises a tool changing support column, the brush moving device is fixed on the outer wall of the tool changing support column, a rotary driving power-on device is rotated inside the tool changing support column, the inner flushing liquid quick tool changing device is clamped inside the rotary driving power-on device, the inner flushing liquid quick tool changing device comprises a three-way head, the end part of the three-way head is communicated with a rotary joint, the rotary joint is characterized in that the end part of the rotary joint is communicated with the upper end of a one-way valve, the lower end of the one-way valve is connected with a broach rod, and the lower end of the broach rod is sequentially connected with a broach claw, a broach nail and a broach handle.

As a further improvement of the technical scheme, a cylinder cover is arranged at the top of the tool changing support column, the top of the cylinder cover is communicated with an L-shaped joint, a cylinder body is arranged inside the cylinder cover, and a cylinder piston is arranged inside the cylinder body in a sliding mode.

As a further improvement of the technical scheme, the inner wall of the cylinder cover is provided with a wear-resisting ring.

As a further improvement of the technical scheme, the power-on device of the rotary drive comprises a rotating shaft, the outer wall of the rotating shaft is rotated through a bearing inside the tool changing support column, a disc spring is arranged inside the rotating shaft, a conductive copper column is arranged at the end part of the rotating shaft through taper fit, a linkage synchronizing wheel is arranged at the position, close to the bottom, of the rotating shaft, a clamping block is arranged at the end part of the rotating shaft in a rotating mode, and the clamping block is clamped on the inner wall of the tool changing support column.

As a further improvement of the technical scheme, a spindle motor is rotatably arranged between the upper shell and the lower shell, a motor synchronizing wheel is connected to an output shaft of the spindle motor, and the motor synchronizing wheel is connected with the linkage synchronizing wheel through a conveying mechanism, so that the motor synchronizing wheel drives the linkage synchronizing wheel to rotate.

As a further improvement of the technical scheme, the electric brush movement device comprises an electric brush movement upper cover and an electric brush movement lower cover, a movable bevel gear disc is arranged inside the electric brush movement upper cover, the outer wall of the movable bevel gear disc is meshed with a bevel gear, and the end part of the bevel gear is connected with an electric brush movement motor through a coupler.

As a further improvement of the technical scheme, moving blocks are arranged inside a plurality of sliding grooves at the top of the moving bevel gear disc in a sliding mode, the end portions of the moving blocks are fixedly connected with insulating sliding blocks, brush boxes are arranged at the tops of the insulating sliding blocks and comprise brush shells, and brush heads are arranged inside the brush shells in a sliding mode.

As a further improvement of the technical scheme, a buffer spring is connected between the electric brush shells at the end part of the electric brush head, and a rear cover is hinged at the end part of the electric brush shells.

Compared with the prior art, the beneficial effects of the utility model are that:

in the short arc mechanical combined machining inner flushing liquid quick tool changing machine tool spindle, through the arrangement of the short arc spindle, the problems that thin-walled workpieces are easy to deform during machining, high-hardness metal machining efficiency is low, machining cost is high, machine tools need to be changed during short arc machining switching machining, machining precision and machining efficiency are reduced are solved, the short arc machining spindle has the advantage of high short arc machining efficiency, workpieces are not in contact with tool electrodes for machining during machining, cutting force and cutting heat do not exist, the workpieces are not prone to deformation during machining of the thin-walled workpieces, compared with traditional machining, short arc machining efficiency is high, machining cost is low, and the short arc machining spindle has the advantages of high machining precision and good surface quality.

Drawings

FIG. 1 is a schematic front view of the overall structure of example 1;

FIG. 2 is a schematic front view of a short-arc main shaft structure of embodiment 1;

FIG. 3 is a sectional view showing the structure of the quick tool changer with internal flushing liquid according to embodiment 1;

FIG. 4 is a cross-sectional view of a rotary drive powered device configuration of embodiment 1;

FIG. 5 is a sectional view of a tool changing support column structure according to embodiment 1;

FIG. 6 is a top schematic view of the upper housing structure of embodiment 1;

fig. 7 is a front sectional view of a brush moving device structure of embodiment 1;

FIG. 8 is a left side view schematically showing a structure of a brush moving device according to embodiment 1;

fig. 9 is a cutting view of the moving block structure according to embodiment 1;

fig. 10 is a left side sectional view of the brush box structure of embodiment 1.

The various reference numbers in the figures mean:

1. a guide rail; 2. a slider; 3. a top plate; 4. an upper housing; 5. a lower housing; 6. the main shaft is provided with a box body;

7. a short arc main shaft; 71. a tool changing support column; 711. an L-shaped joint; 712. a cylinder head; 713. a wear ring; 714. a cylinder piston; 715. a cylinder block;

72. rotationally driving the powered device; 721. a rotating shaft; 722. a bearing; 723. a disc spring; 724. a conductive copper pillar; 725. a linkage synchronizing wheel; 726. a clamping block;

73. an inner flushing liquid quick tool changing device; 731. a tee joint; 732. a rotary joint; 733. a one-way valve; 734. pulling a cutter rod; 735. a knife pulling claw; 736. pulling nails; 737. a knife handle;

8. mounting a plate;

9. an electric brush moving device; 91. an electric brush moving upper cover; 92. the electric brush moves the lower cover; 93. moving the bevel gear disc; 930. a moving block; 94. a bevel gear; 941. a brush motion motor; 942. a coupling; 95. an insulating slider; 96. an electric brush box; 961. an electric brush shell; 962. an electric brush head; 963. a buffer spring; 964. a rear cover;

10. a spindle motor; 11. and a synchronous wheel of the motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-10, the present embodiment provides a spindle of a short-arc mechanical composite machining inner-flushing quick tool changing machine tool, including a guide rail 1, a sliding block 2 is slidably disposed on an outer wall of the guide rail 1, an end portion of the sliding block 2 is connected to an upper housing 4 and a lower housing 5 through a top plate 3 by bolts, a spindle mounting box 6 is connected to outer sides of the upper housing 4 and the lower housing 5, a mounting plate 8 is disposed inside the spindle mounting box 6, an electric brush moving device 9 is disposed on the mounting plate 8, a short-arc spindle 7 is disposed inside the electric brush moving device 9, the short-arc spindle 7 includes a tool changing support column 71, the electric brush moving device 9 is fixed on an outer wall of the tool changing support column 71, a rotary driving electrifying device 72 is rotated inside the tool changing support column 71, an inner-flushing quick tool changing device 73 is clamped inside the rotary driving electrifying device 72, the inner-flushing quick tool changing device 73 includes a three-way head 731, an end portion of the three-way head 731 is communicated with a rotary joint 732, the end part of the rotary joint 732 is communicated with the upper end of a one-way valve 733, the lower end of the one-way valve 733 is connected with a broach rod 734, the lower end of the broach rod 734 is sequentially connected with a broach claw 735, a broach nail 736 and a broach handle 737, the end part of the broach handle 737 is connected with a water vapor device, water vapor is enabled to spray out water vapor from the end part of a tee head 731 of the rotary joint 732 through the one-way valve 733 along the interior of the broach claw 735 and the broach nail 736 to form a gas-liquid mixed medium, then the upper electric device 72 is rotationally driven to rotate to form an excited short arc discharge group in the interior of the broach support column 71, when the distance between the dielectric and a workpiece electrode is shortest, the dielectric is punctured to form a plasma channel, heat is transferred to the end part of the tee head 731 and the surface of the workpiece through the discharge channel, a nearly circular plane heat source is formed on the surface of the workpiece, the processing material is melted or even gasified by local high temperature, and the generated arc enables the high temperature material to be sprayed out from the surface of the workpiece, the deionization effect induces the next electric arc to appear, a large amount of materials are corroded and removed through a series of short electric arcs to obtain the required shape and size, so that the workpiece is not in contact with a tool electrode, no cutting force and no cutting heat exist, the workpiece is not easy to deform when a thin-walled workpiece is machined, the machining efficiency is high, the machining cost is low, and the machining precision is high.

In the embodiment, a cylinder cover 712 is arranged at the top of the tool changing support column 71, an L-shaped joint 711 is communicated with the top of the cylinder cover 712, a cylinder block 715 is arranged inside the cylinder cover 712, a cylinder piston 714 is arranged inside the cylinder block 715 in a sliding manner, and when high-temperature gas is received, the cylinder piston 714 slides inside the cylinder block 715, so that the power of high-temperature water vapor is improved, and the surface of a workpiece is cut more accurately.

Specifically, the inner wall of the cylinder head 712 is provided with a wear-resistant ring 713, and the wear of the sliding of the cylinder piston 714 can be reduced through the wear-resistant ring 713, so that the service life is prolonged.

Further, the rotation driving power-on device 72 comprises a rotating shaft 721, the outer wall of the rotating shaft 721 rotates inside the tool changing supporting column 71 through a bearing 722, a disc spring 723 is arranged inside the rotating shaft 721, in the rotating process, the disc spring 723 is compressed by centrifugal force, rigid impact is relieved under the elastic force action of the disc spring 723, a conductive copper column 724 is arranged at the end of the rotating shaft 721 through taper fit, a linkage synchronizing wheel 725 is arranged at the position, close to the bottom, of the rotating shaft 721, a clamping block 726 is rotated at the end of the rotating shaft 721, the clamping block 726 is clamped on the inner wall of the tool changing supporting column 71, and when the rotation driving power-on device 72 rotates, the inside of the bearing 722 rotates, so that the rotation driving power-on device 72 can rotate more stably.

Specifically, a spindle motor 10 is rotatably arranged between the upper shell 4 and the lower shell 5, an output shaft of the spindle motor 10 is connected with a motor synchronizing wheel 11, the motor synchronizing wheel 11 is connected with a linkage synchronizing wheel 725 through a transmission mechanism, the motor synchronizing wheel 11 drives the linkage synchronizing wheel 725 to rotate, the spindle motor 10 is powered on to work, the motor synchronizing wheel 11 is driven by the output shaft of the spindle motor 10 to rotate, then the linkage synchronizing wheel 725 is driven to rotate through the transmission mechanism, and the rotary driving upper electric device 72 can rotate more easily and conveniently.

Wherein, the electric brush moving device 9 includes an electric brush moving upper cover 91 and an electric brush moving lower cover 92, a moving bevel gear disc 93 is arranged inside the electric brush moving upper cover 91, the outer wall of the moving bevel gear disc 93 is engaged with a bevel gear 94, the end part of the bevel gear 94 is connected with an electric brush moving motor 941 through a coupler 942, the electric brush moving motor 941 is connected with a power supply to work, the output shaft of the electric brush moving motor 941 drives the bevel gear 94 to rotate through the coupler 942, thereby the outer wall of the moving bevel gear disc 93 is engaged with the outer wall of the bevel gear 94 to rotate, and the operation is convenient.

In addition, the moving blocks 930 are arranged inside the sliding grooves on the top of the moving bevel gear disc 93 in a sliding mode, the end portions of the moving blocks 930 are fixedly connected with insulating sliding blocks 95, brush boxes 96 are arranged on the tops of the insulating sliding blocks 95, each brush box 96 comprises a brush shell 961, brush heads 962 are arranged inside the brush shells 961 in a sliding mode, when the moving bevel gear disc 93 rotates, the moving blocks 930 are driven to roll the sliding grooves on the top of the moving bevel gear disc 93 to slide, the brush boxes 96 are driven to slide through the insulating sliding blocks 95, therefore, the end portions of the brush heads 962 penetrate through the outer wall of the tool changing support column 71 to be attached to the outer wall of the rotary driving electrifying device 72 to generate pressure rotation, mechanical rectification is completed, alternating current in an armature is converted into direct current on the brush heads 962, or direct current in an external circuit is converted into alternating current in the armature.

Specifically, be connected with buffer spring 963 between brush shell 961 at brush head 962 tip, through buffer spring 963, when electric device 72 outer wall on brush head 962 laminating rotary drive, buffer spring 963 compresses, under buffer spring 963 elasticity effect, make brush head 962 and rotary drive go up electric device 72 laminating inseparabler, be favorable to arousing short arc discharge group, improve the efficiency that short arc cut, brush shell 961 tip articulates has back lid 964, through back lid 964, make the follow-up brush head 962 that more changes of opening, the practicality is stronger.

When the spindle of the short arc mechanical combined machining inner flushing liquid quick tool changing machine tool in the embodiment is used specifically, the end of the tool holder 737 is connected with a water vapor device, so that water vapor is sprayed out from the end of the tee joint 731 of the rotary joint 732 through the one-way valve 733 along the inside of the broach claw 735 and the broach nail 736 to form a gas-liquid mixed medium, the output shaft of the spindle motor 10 drives the motor synchronizing wheel 11 to rotate, then the transmission mechanism drives the linkage synchronizing wheel 725 to rotate, the rotary driving electrifying device 72 can rotate to form an excited short arc discharge group inside the tool changing support column 71, then the output shaft of the brush moving motor 941 drives the bevel gear 94 to rotate through the coupler 942, so that the outer wall of the moving bevel gear disc 93 is meshed to rotate along the outer wall of the bevel gear 94 to drive the moving block 930 to roll the chute at the top of the moving bevel gear disc 93 to slide, and the brush box 96 is driven to slide through the insulating slider 95, so that the end parts of a plurality of electric brush heads 962 pass through the outer wall of a tool changing support column 71 and are attached to the outer wall of a rotary driving electrifying device 72 to generate pressure rotation to finish mechanical rectification, alternating current in an armature is converted into direct current on the electric brush heads 962 or direct current in an external circuit is converted into alternating current in the armature, when the distance between the electric brush heads and a workpiece electrode is shortest, a dielectric is punctured to form a plasma channel, heat is transferred to the end parts of the three-way heads and the workpiece surface through a discharge channel, an approximately circular plane heat source is formed on the workpiece surface, a machining material is subjected to local high-temperature melting and even gasification, the generated electric arc enables the high-temperature material to be sprayed out from the workpiece surface, the next electric arc is induced by a deionization effect, a large amount of material is corroded through a series of short electric arcs to obtain the required shape and size, the workpiece is not contacted with the tool electrode, and no cutting force is generated, The workpiece is not easy to deform when the thin-walled workpiece is machined due to the cutting heat, the machining efficiency is high, the machining cost is low, and the machining precision is high.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a quick tool changing lathe main shaft of dashing liquid in short electric arc machinery combined machining, includes guide rail (1), its characterized in that: the outer wall of the guide rail (1) is provided with a sliding block (2) in a sliding manner, the end part of the sliding block (2) is connected with an upper shell (4) and a lower shell (5) through a top plate (3) through bolts, the outer sides of the upper shell (4) and the lower shell (5) are connected with a spindle mounting box body (6), a mounting plate (8) is arranged inside the spindle mounting box body (6), an electric brush moving device (9) is arranged on the mounting plate (8), a short electric arc spindle (7) is arranged inside the electric brush moving device (9), the short electric arc spindle (7) comprises a tool changing support column (71), the electric brush moving device (9) is fixed on the outer wall of the tool changing support column (71), a rotary driving electrifying device (72) is rotated inside the support column (71), and an inner flushing liquid quick tool changing device (73) is clamped inside the rotary driving electrifying device (72), interior quick tool changing device of towards liquid (73) includes tee bend head (731), tee bend head (731) tip intercommunication has rotary joint (732), rotary joint (732) tip intercommunication has check valve (733) upper end, check valve (733) lower extreme is connected with broach pole (734), broach pole (734) lower extreme connects gradually broach claw (735), blind rivet (736), handle of a knife (737).

2. The short-arc mechanical combined machining inner-flushing liquid quick tool changing machine tool spindle according to claim 1 is characterized in that: the tool changing support column is characterized in that a cylinder cover (712) is arranged at the top of the tool changing support column (71), an L-shaped joint (711) is communicated with the top of the cylinder cover (712), a cylinder body (715) is arranged inside the cylinder cover (712), and a cylinder piston (714) is arranged inside the cylinder body (715) in a sliding mode.

3. The short-arc mechanical combined machining inner-flushing liquid quick tool changing machine tool spindle according to claim 2 is characterized in that: the inner wall of the cylinder cover (712) is provided with a wear-resistant ring (713).

4. The short-arc mechanical combined machining inner-flushing liquid quick tool changing machine tool spindle according to claim 1 is characterized in that: rotatory drive power-on device (72) is including pivot (721), pivot (721) outer wall passes through bearing (722) and rotates inside tool changing support column (71), pivot (721) inside is provided with belleville spring (723), electrically conductive copper post (724) are installed through taper fit to pivot (721) tip, pivot (721) are close to bottom department and are provided with linkage synchronizing wheel (725), pivot (721) tip rotates there is fixture block (726), fixture block (726) joint is in tool changing support column (71) inner wall.

5. The short-arc mechanical combined machining inner-flushing liquid quick tool changing machine tool spindle according to claim 4 is characterized in that: go up between casing (4) and the lower casing (5) and rotate and be provided with spindle motor (10), spindle motor (10) output shaft has motor synchronizing wheel (11), motor synchronizing wheel (11) with connect through transport mechanism between linkage synchronizing wheel (725), make motor synchronizing wheel (11) drive linkage synchronizing wheel (725) and rotate.

6. The short-arc mechanical combined machining inner-flushing liquid quick tool changing machine tool spindle according to claim 1 is characterized in that: brush telecontrol equipment (9) are including brush motion upper cover (91) and brush motion lower cover (92), brush motion upper cover (91) inside is provided with removes bevel gear dish (93), it has bevel gear (94) to remove bevel gear dish (93) outer wall meshing, bevel gear (94) tip is connected with brush motion motor (941) through shaft coupling (942).

7. The short-arc mechanical combined machining inner-flushing liquid quick tool changing machine tool spindle according to claim 6, characterized in that: the movable blocks (930) are arranged inside the sliding grooves in the top of the movable bevel gear disc (93) in a sliding mode, the end portions of the movable blocks (930) are fixedly connected with insulating sliding blocks (95), an electric brush box (96) is arranged on the top of each insulating sliding block (95), each electric brush box (96) comprises an electric brush shell (961), and electric brush heads (962) are arranged inside the electric brush shells (961) in a sliding mode.

8. The short-arc mechanical combined machining inner-flushing liquid quick tool changing machine tool spindle according to claim 7 is characterized in that: a buffer spring (963) is connected between the brush shell (961) and the end part of the electric brush head (962), and a rear cover (964) is hinged to the end part of the brush shell (961).

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