CN210499774U

CN210499774U - Five-axis linkage cutter grinding machine

Info

Publication number: CN210499774U
Application number: CN201920604677.4U
Authority: CN
Inventors: 罗娟; 吴东秀; 王业辉; 张良斌
Original assignee: Guangdong Hanxing Technology Co ltd
Current assignee: Guangdong Hanxing Technology Co ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-05-12
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a five-axis linkage tool grinding machine, which comprises a base, a clamp device, a spindle assembly and a translation mechanism; the main shaft assembly comprises a lifting assembly, a deflection mechanism and a main shaft mechanism; the lifting assembly comprises a lifting plate arranged on the base and a lifting mechanism for driving the lifting plate to lift, and the lifting plate is positioned above the clamp device; the deflection mechanism comprises a rotary driving device fixedly connected on the lifting plate and a motor base in transmission connection with the rotary driving device; the spindle mechanism comprises a first driving motor fixedly connected to the motor base and a grinding wheel spindle in transmission connection with the first driving motor; the translation mechanism is used for driving the clamp device and the spindle assembly to move horizontally relatively. Through the arrangement, compared with the existing grinding machine, the five-axis linkage tool grinding machine is provided with the deflection mechanism on the main shaft mechanism, so that the deflection of the angle of the main shaft mechanism can be realized, and the grinding angle can be conveniently adjusted. The utility model relates to a lathe field.

Description

Five-axis linkage cutter grinding machine

Technical Field

The utility model relates to a lathe field, especially five-axis linkage cutter grinding machine.

Background

Most of the existing grinding machines can only realize linear grinding, when a workpiece needs to be ground at an inclined angle, the workpiece needs to be detached from a workbench, the angle of the workpiece is adjusted, and then the workpiece is mounted and machined, so that the whole process is very complex and troublesome, alignment and tool setting need to be found for many times, and the machining precision of products is low. If the milling cutter is required to be processed with the chute for chip removal, the milling cutter needs to be processed by the operation, and the milling cutter consumes time and labor and is difficult to improve the processing efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is: the five-axis linkage tool grinding machine is provided, and the grinding angle can be conveniently adjusted.

The utility model provides a solution of its technical problem is:

the five-axis linkage tool grinding machine comprises a base, a clamp device, a spindle assembly and a translation mechanism; the clamp device is arranged on the base; the main shaft assembly comprises a lifting assembly, a deflection mechanism and a main shaft mechanism; the lifting assembly comprises a lifting plate arranged on the base and a lifting mechanism for driving the lifting plate to lift, and the lifting plate is positioned above the clamp device; the deflection mechanism comprises a rotary driving device fixedly connected on the lifting plate and a motor base in transmission connection with the rotary driving device; the spindle mechanism comprises a first driving motor fixedly connected to the motor base and a grinding wheel spindle in transmission connection with the first driving motor; the translation mechanism is used for driving the clamp device and the spindle assembly to move horizontally relatively.

As the further improvement of above-mentioned technical scheme, still include the wheel changing mechanism, the wheel changing mechanism is including establishing the tool magazine subassembly on the base, establishing tool changing assembly between spindle unit and the tool magazine subassembly, the tool magazine subassembly includes rigid coupling second rotating electrical machines on the base, the blade disc of being connected with the transmission of second rotating electrical machines, establishes blade holder on the blade disc, tool changing assembly include through business turn over mechanism connect in swing arm board on the base, connect in through the transmission of third rotating electrical machines in swing arm board's swinging boom, swing arm board is followed the axis of rotation back and forth movement of third rotating electrical machines, the both ends of swinging boom all are equipped with clamping structure, arbitrary when clamping structure rotates to the emery wheel axle, another clamping structure rotates extremely on the blade holder. Through setting up the wheel changing mechanism, the both ends of rotating arm all are equipped with clamping structure in the wheel changing mechanism to both ends centre gripping simultaneously when changing the cutter can realize changing the cutter conveniently, improves machining efficiency.

As the further improvement of above-mentioned technical scheme, clamping structure including set up in semicircle through-hole on the swinging boom, the internal perisporium of semicircle through-hole is provided with the joint sand grip, the lateral wall of swinging boom be provided with the opening that the semicircle through-hole communicates each other, two clamping structure follow the central symmetry setting of swinging boom. Through the arrangement, the clamping structure can conveniently clamp the cutter.

As a further improvement of the technical scheme, the tool apron comprises a tool cup arranged on the tool disc and a locking structure arranged in the tool cup, a cavity is arranged on one end face, far away from the tool disc, of the tool cup, the locking structure comprises a first blind hole arranged on one end face, far away from the tool disc, of the tool cup and a first cylinder connected to the bottom surface of the first blind hole through a first spring, a through hole communicated with the cavity is formed in the side wall of the first blind hole, a second blind hole is formed in the side wall of the first cylinder, the bottom surface of the second blind hole is connected with a top post through a second spring, a semicircular top block is arranged at one end, far away from the second spring, of the top post, and when one end, far away from the tool disc, of the first cylinder extends out of the first blind hole, the semicircular top block penetrates through hole and extends into the cavity, when one end face of the first column body, which is far away from the cutter disc, and one end face of the cutter cup, which is far away from the cutter disc, are flush with each other, the semicircular ejector block is positioned in the first blind hole. Through above setting, the cutter can be locked in the sword cup conveniently to can take out in the sword cup conveniently.

As a further improvement of the technical scheme, the lifting device further comprises a tension mechanism, the tension mechanism is arranged on the base, the base comprises a vertically arranged slide rail, the lifting plate is connected with the slide rail in a sliding mode, and the tension mechanism is connected with the lifting plate and the base. The slide rail sets up on the base, elevating system sets up on the base, and this lifter plate is connected in the elevating system linkage, thereby through elevating system, the setting of slide rail, the drive lifter plate up-and-down motion that can be convenient, through set up tension mechanism on the base, thereby can provide the pulling force toward the base direction for the lifter plate, avoided the lifter plate to lie in the gliding in-process of slide rail cooperation, because the component quality of installation is too big on the lifter plate and have the trend of inclining to the direction of one side of the back from the slide rail, make more even of atress when the lifter plate slides on the slide rail.

As a further improvement of the above technical solution, the lifting plate includes a block body slidably connected to the slide rail, and a connecting plate connected to the top of the block body, the connecting plate extends along the block body toward the slide rail, and the tension mechanism is connected to one side of the connecting plate away from the slide rail. From this, the connecting plate extends toward orbital direction along the lifter plate to, through the setting of connecting plate, make the focus of lifter plate toward being close to the direction of slide rail, and then, reduce the possibility that the lifter plate leaned away from the slide rail.

As a further improvement of the above technical solution, the lifting mechanism includes a driving device and a lead screw and nut mechanism, the driving device is disposed on the base, the lead screw and nut mechanism includes a lead screw disposed on the base and a nut disposed on the lead screw in a matching manner, the lead screw and the slide rail are disposed in the same direction, and the nut is fixedly connected to the connecting plate. Therefore, through the arrangement of the driving device and the screw rod nut mechanism, the screw rod which drives the screw rod nut mechanism through the driving mechanism can move in a rotating mode more conveniently, and therefore the nut on the screw rod moves, and the nut drives the connecting plate to move along the axis direction of the screw rod.

As a further improvement of the technical scheme, the workpiece detection device further comprises a workpiece detection assembly, wherein the workpiece detection assembly comprises a first expansion device which is vertically arranged and arranged on the lifting plate, and a first probe which is in transmission connection with the first expansion device. The first probe is arranged to detect the workpiece, the shape and position of the workpiece can be detected before machining, the length error is automatically compensated, and machining precision is improved.

As a further improvement of the technical scheme, the grinding wheel shaft is in transmission connection with a processing wheel, the five-axis linkage cutter grinding machine further comprises a grinding wheel detection assembly, and the grinding wheel detection assembly comprises a fourth rotating motor and a second probe in driving connection with the fourth rotating motor. The second probe is arranged for detecting the grinding wheel, the grinding wheel can be known through the probe when being worn, the system can automatically compensate the grinding wheel, and the accuracy of the grinding quantity of the workpiece is guaranteed.

As a further improvement of the above technical solution, the front-back moving mechanism includes front-back slide rails arranged along the front-back direction, and a front-back moving table slidably connected to the front-back slide rails, the left-right moving mechanism includes left-right slide rails arranged on the front-back moving table, and a left-right moving table slidably connected to the left-right slide rails, and the clamp device is arranged on the left-right moving table.

The utility model has the advantages that: through the arrangement, compared with the existing grinding machine, the five-axis linkage tool grinding machine is provided with the deflection mechanism on the main shaft mechanism, so that the deflection of the angle of the main shaft mechanism can be realized, and the grinding angle can be conveniently adjusted.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

FIG. 1 is a perspective view of an embodiment;

FIG. 2 is a perspective view of a tool magazine assembly of an embodiment;

FIG. 3 is a schematic structural view of a rotary arm according to an embodiment;

FIG. 4 is a schematic structural view of a carriage according to the embodiment;

fig. 5 is a left side view of the base of the embodiment.

In the drawings: 100-a base; 110-a first mounting plate; 111-screw rod supporting seat; 120-a slide rail; 210-a connecting plate; 211-block; 310-a rotary drive; 320-a motor base; 400-a clamp device; 510-a cutter head; 520-a tool apron; 521-a cutter cup; 522-a cavity; 523-first spring; 524-a first cylinder; 525-a second blind hole; 526-a second spring; 527-top post; 529 — a first blind hole; 530-a second rotating electrical machine; 540-swing arm plate; 550-a third rotating electrical machine; 560-a rotating arm; 561-clamping convex strips; 610-a first rotating electrical machine; 710-a tension mechanism; 810-a first probe; 820-second probe.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connections or connection relationships mentioned herein are not directly connected to each other, but rather, the connection configurations may be better combined by adding or subtracting connection accessories according to the specific implementation. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

Examples are as follows, with reference to fig. 1 to 5.

Referring to fig. 1, the clamping device is disposed in front of the base 100 by a translation mechanism. The translation mechanism comprises a front-back movement mechanism and a left-right movement mechanism in transmission connection with the front-back movement mechanism, the front-back movement mechanism comprises front-back slide rails 120 arranged along the front-back direction and a front-back movement table in sliding connection with the front-back slide rails 120, the left-right movement mechanism comprises left-right slide rails 120 arranged on the front-back movement table and a left-right movement table in sliding connection with the left-right slide rails 120, and the fixture device 400 is arranged on the left-right movement table. The fixture device 400 comprises a fixture seat fixed on the left-right moving table, a workpiece shaft extending to the left is arranged on the fixture seat, preferably, a fifth rotating motor arranged to the left is further arranged on the fixture seat and is in transmission connection with the workpiece shaft, and therefore the grinding machine has the capability of rotating the workpiece to adjust the form and position postures of the workpiece. The output end is in transmission connection with the processing wheel, specifically, can be in gear transmission connection, belt transmission connection, and the like, and is preferably in key connection. The left and right mobile platform is further provided with a grinding wheel detection assembly, the grinding wheel detection assembly comprises a rotary seat arranged on the left and right mobile platform and a fourth rotary motor arranged on the rotary seat, an output shaft of the fourth rotary motor extends forwards, a long arm is connected onto the output shaft, the end part of the long arm is provided with a second probe 820, and the second probe 820 can be specifically provided with two arms, so that the detection of the outer diameter of the grinding wheel and the position of the grinding wheel relative to the grinding wheel shaft can be completed, and the compensation of the grinding wheel abrasion can be realized.

The spindle assembly is disposed above the chucking device 400 by a frame having an inverted "L" shape included on the base 100. The rack that is "L" shape includes grudging post and installing frame, and the top of installing frame is provided with first mounting panel 110. The main shaft assembly includes lifting unit, deflection mechanism, main shaft mechanism, lifting unit include with the slide rail 120 of installing frame leading flank rigid coupling, slide rail 120 sets up along vertical direction, and sliding connection has the lifter plate on slide rail 120, the lifter plate includes with slide rail 120 sliding connection's block 211 and connects at the connecting plate 210 of block 211 top backward extension, and the rear side and the pulling force mechanism 710 of connecting plate 210 are connected for connecting plate 210 passes through pulling force mechanism 710 and first mounting panel 110 rigid coupling. The tension mechanism 710 is a structure or a component capable of generating tension at two ends thereof, and may be a tension spring or a telescopic rod having a locking structure. The deflection mechanism comprises a rotary driving device 310 and a motor base 320, the rotary driving device 310 may be specifically a servo motor, a housing of the rotary driving device 310 is connected with the block 211 through a threaded connection and the like, an output end of the rotary driving device 310 is fixedly connected with a horizontally arranged transition plate through a connecting flange, the motor base 320 is connected to the left side of the transition plate, a motor hole arranged along the horizontal direction is arranged on the motor base 320, a first driving motor is fixedly connected with the motor base 320 through a connecting flange, a grinding wheel spindle of the first driving motor extends out of the motor hole, a processing wheel is in transmission connection with the grinding wheel spindle, and the output end is in transmission connection with the processing wheel, specifically may be in a gear transmission connection, a belt transmission connection and the like, and is preferably in key connection. Still be connected with workpiece detection subassembly on the lifter plate, workpiece detection subassembly includes the first telescoping device of rigid coupling on block 211, and the rigid coupling has the first probe 810 that is used for detecting the work piece on first telescoping device's the activity end, and first probe 810 specifically can be provided with two, and two first probes 810 are mutually perpendicular in the level to can detect the position of work piece in the plane.

Referring to fig. 1 and 2, a tool magazine assembly is further connected to the frame, a second rotating motor 530 of the tool magazine assembly and the cutter head 510 are arranged on the left side of the frame, a transverse plate is arranged at the end of the transverse plate and is provided with a vertical plate extending upwards, a motor hole is formed in the top of the vertical plate, the second rotating motor 530 is connected with the end face of the motor hole through a connecting flange, an output shaft of the second rotating motor 530 penetrates through the motor hole and extends forwards, and the output shaft is in transmission connection with the cutter head 510. A plurality of tool holders 520 arranged in an annular array are arranged on the front side surface of the tool pan 510; set up the locking structure who is used for locking the cutter in blade holder 520, still be equipped with tool changing assembly between blade disc 510 and the main shaft, tool changing assembly includes third rotating electrical machines 550, swing arm board 540, swinging boom 560, swing arm board 540 passes through the second telescoping device and is connected with the frame, the second telescoping device specifically can be the hydro-cylinder, the cylinder, sharp module etc., swing arm board 540 is fixed at the expansion end of second telescoping device, third rotating electrical machines 550 is fixed on the cantilever board and its direction setting that extends around along the axis, the output shaft of third rotating electrical machines 550 is in the same place with swinging boom 560 fixed connection, the both ends of swinging boom 560 all are provided with fixture, and arbitrary when fixture rotated to the emery wheel axle, another fixture rotate extremely on blade holder 520 to take out the main shaft that waits to change on blade holder 520 when can realizing taking off the emery wheel axle. The clamping structure including set up in semicircle through-hole on the swinging boom 560, the internal perisporium of semicircle through-hole is provided with joint sand grip 561, the lateral wall of swinging boom 560 be provided with the opening of semicircle through-hole intercommunication each other, two clamping structure follow the centrosymmetry setting of swinging boom 560. The specific process of executing tool changing is as follows: cutter head 510 rotates the cutter that will be changed to the position that the tip corresponds of swinging boom 560, the second telescoping device drive swing arm board 540 moves backward and drives the swing arm to move backward, third rotating electrical machines 550 drive swinging boom 560 rotates the replacement cutter that centre gripping blade holder 520 is epaxial by the replacement cutter of centre gripping grinding wheel simultaneously, the second telescoping device moves forward to the position that can freely rotate, third rotating electrical machines 550 rotates 180, make replacement cutter and by the replacement cutter position exchange, second telescoping device drive swing arm board 540 moves backward after the position exchange, the replacement cutter inserts to the grinding wheel epaxially, insert blade holder 520 by the replacement cutter, third rotating electrical machines 550 drive swinging boom 560 unscrews the cutter, accomplish the cutter changing promptly. Furthermore, after the third rotating motor 550 drives the rotating arm 560 to loosen the tool, the second telescoping device drives the rotating arm plate 540 again to drive the rotating arm 560 to move forward, so as to provide sufficient moving space.

Referring to fig. 4, the tool apron 520 includes a cutter cup 521 disposed on the cutter disc 510 and a locking structure disposed in the cutter cup 521, a cavity 522 is disposed on an end surface of the cutter disc 510, the locking structure includes a first blind hole 529 disposed on the cutter cup 521, the end surface of the cutter disc 510 is away from the cutter cup, a first cylinder 524 connected to a bottom surface of the first blind hole 529 through a first spring 523, a through hole communicated with the cavity 522 is disposed on a sidewall of the first blind hole 529, a second blind hole 525 is disposed on a sidewall of the first cylinder 524, a bottom surface of the second blind hole 525 is connected to a jack post 527 through a second spring 526, a semicircular jack block is disposed at one end of the jack post 527, which is away from the second spring 526, when one end of the first cylinder 524, which is away from the cutter disc 510, extends out of the first blind hole 529, the semicircular jack block penetrates through the through hole and extends into the cavity 522, when an end face of the first column 524, which is far away from the cutter disc 510, is flush with an end face of the cutter cup 521, which is far away from the cutter disc 510, the semicircular top block is located in the first blind hole 529.

Referring to fig. 5, a lead screw supporting seat 111 is installed on a first mounting plate 110, a lead screw is connected with the lead screw supporting seat 111 in a matching manner, the lead screw supporting seat 111 is a common lead screw supporting seat 111 on the market, a bearing is installed in the lead screw supporting seat 111, so that the lead screw can be more smoothly rotated, meanwhile, a nut in a lead screw nut mechanism is arranged on the lead screw, the nut is fixedly arranged on a connecting plate 210, a block 211 of a lifting plate is slidably connected with a sliding rail 120, therefore, the freedom degree of the rotation direction of the nut and the lifting plate is limited, so that when the lead screw in a driving lead screw nut mechanism of a motor rotates, the nut can reciprocate up and down on the lead screw according to the difference of the rotation direction of the lead screw, and.

The first rotating electric machine 610, the second rotating electric machine 530, the third rotating electric machine 550, and the rotation driving device 310 may be electric machines, air motors, or the like. The first telescopic device and the second telescopic device can be oil cylinders, air cylinders, linear modules, screw rod mechanisms and the like. While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims

1. Five-axis linkage cutter grinding machine, including base (100), main shaft assembly, translation mechanism, its characterized in that:

the translation mechanism comprises a front-back movement mechanism arranged on the base (100), a left-right movement mechanism driven by the front-back movement mechanism to move front and back, and a clamp device (400) driven by the left-right movement mechanism to move left and right;

the main shaft assembly comprises a lifting assembly, a deflection mechanism and a main shaft mechanism;

the lifting assembly comprises a lifting plate arranged on the base (100) and a lifting mechanism for driving the lifting plate to lift, and the lifting plate is positioned above the clamp device (400);

the deflection mechanism comprises a rotary driving device (310) fixedly connected on the lifting plate and a motor base (320) in transmission connection with the rotary driving device (310);

the spindle mechanism comprises a first driving motor fixedly connected to a motor base (320) and a horizontally arranged grinding wheel spindle in transmission connection with the first driving motor.

2. The five-axis linkage tool grinding machine of claim 1, wherein: also comprises a wheel changing mechanism, the wheel changing mechanism comprises a tool magazine component arranged on the base (100) and a tool changing component arranged between the main shaft mechanism and the tool magazine component, the tool magazine component comprises a second rotating motor (530) fixedly connected on the base (100), a cutter head (510) in transmission connection with the second rotating motor (530), and a tool apron (520) arranged on the cutter head (510), the tool changing assembly comprises a rotary arm plate (540) connected to the base (100) through an access mechanism, a rotary arm (560) connected to the rotary arm plate (540) through a third rotary motor (550) in a transmission way, the swing arm plate (540) moves back and forth along the rotation axis of the third rotating motor (550), and the two ends of the rotating arm (560) are respectively provided with a clamping structure, and when any one clamping structure rotates to the grinding wheel shaft, the other clamping structure rotates to the tool apron (520).

3. The five-axis linkage cutter grinding machine of claim 2, wherein: the centre gripping structure including set up in semicircle through-hole on the swinging boom (560), the internal perisporium of semicircle through-hole is provided with joint sand grip (561), the lateral wall of swinging boom (560) be provided with the opening that the semicircle through-hole communicates each other, two the centre gripping structure follow the centrosymmetry setting of swinging boom (560).

4. The five-axis linkage cutter grinding machine of claim 2, wherein: the cutter holder (520) comprises a cutter cup (521) arranged on the cutter disc (510) and a locking structure arranged in the cutter cup (521), the cutter cup (521) is far away from one end face of the cutter disc (510) and is provided with a cavity (522), the locking structure comprises a first blind hole (529) arranged on one end face of the cutter disc (521) and connected with the bottom face of the first blind hole (529) through a first spring (523), a through hole communicated with the cavity (522) is formed in the side wall of the first blind hole (529), a second blind hole (525) is formed in the side wall of the first cylinder (524), the bottom face of the second blind hole (525) is connected with a top column (527) through a second spring (526), and a semicircular top block is arranged at one end, far away from the second spring (526), of the top column (527), keep away from first cylinder (524) the one end of blade disc (510) is stretched out during first blind hole (529), the semicircle kicking block passes run through the through-hole and stretch into in cavity (522), a terminal surface that blade disc (510) were kept away from in first cylinder (524) with cutter cup (521) are kept away from when a terminal surface of blade disc (510) is level each other, the semicircle kicking block is located in first blind hole (529).

5. The five-axis linkage tool grinding machine of claim 1, wherein: still include pulling force mechanism (710), pulling force mechanism (710) is established on base (100), base (100) are including vertical slide rail (120) that sets up, lifter plate and slide rail (120) sliding connection, pulling force mechanism (710) are connected the lifter plate with base (100).

6. The five-axis linkage cutter grinding machine of claim 5, wherein: the lifter plate includes with slide rail (120) sliding connection's block (211), connects connecting plate (210) at block (211) top, connecting plate (210) are followed block (211) extend toward the direction of slide rail (120), pulling force mechanism (710) are connected connecting plate (210) are kept away from on one side of slide rail (120).

7. The five-axis linkage cutter grinding machine of claim 6, wherein: the lifting mechanism comprises a driving device and a screw and nut mechanism, the driving device is arranged on the base (100), the screw and nut mechanism comprises a screw rod and a nut, the screw rod is arranged on the base (100), the nut is arranged on the screw rod in a matched mode, the screw rod and the sliding rail (120) are arranged in the same direction, and the nut is fixedly connected with the connecting plate (210).

8. The five-axis linkage tool grinding machine of claim 1, wherein: still include workpiece detection subassembly, workpiece detection subassembly is including establishing the first telescoping device of the vertical setting on the lifter plate, with first probe (810) that first telescoping device transmission is connected.

9. The five-axis linkage tool grinding machine of claim 1, wherein: the five-axis linkage tool grinding machine further comprises a grinding wheel detection assembly, and the grinding wheel detection assembly comprises a fourth rotating motor and a second probe (820) in driving connection with the fourth rotating motor.

10. The five-axis linkage tool grinding machine of claim 1, wherein: the front-back moving mechanism comprises front-back sliding rails (120) arranged along the front-back direction and a front-back moving platform connected with the front-back sliding rails (120) in a sliding mode, the left-right moving mechanism comprises left-right sliding rails (120) arranged on the front-back moving platform and a left-right moving platform connected with the left-right sliding rails (120) in a sliding mode, and the clamp device (400) is arranged on the left-right moving platform.