CN211162068U - Four-axis linkage processing equipment - Google Patents

Abstract

The utility model discloses a four-axis linkage processing device, which comprises a frame, wherein a workbench is connected on the frame in a sliding way, a first lead screw is arranged on the workbench, a connecting seat is connected on the first lead screw in a sliding way, and one end of the first lead screw is connected with a first power mechanism; a fourth motor connected with the rotating shaft is arranged on the connecting seat, a mounting plate is arranged on the rotating shaft, a positioning column is convexly arranged at the left end of the mounting plate, an angle sensor is arranged at the right end of the mounting plate, the output shaft of the fourth motor, the rotating shaft and the rotating axis of the angle sensor are coincided, and the angle sensor is electrically connected with a controller for controlling a driver of the fourth motor; the rack is provided with a stand column, a second lead screw is arranged on the stand column, the second lead screw is connected with a mounting table in a sliding mode, the upper end of the second lead screw is connected with a second power mechanism, a fifth motor is arranged on the mounting table, and a drill bit is connected to an output shaft of the fifth motor. The utility model discloses only need the clamping once can realize improving machining efficiency to the processing in the hole on the shell body multiaspect of derailleur, reduce machining error.

Description

Four-axis linkage processing equipment

Technical Field

The utility model relates to the field of machining, specifically a four-axis linkage processing equipment.

Background

In the field of machining, a single three-axis clamping mode is generally adopted in workpiece machining engineering. Firstly, fixing a workpiece on a processing table, and processing the workpiece through a cutter. In addition, in the machining process, the accuracy of workpiece clamping must be ensured, and errors are avoided. In particular, when the outer case of the transmission is punched, since the outer case of the transmission has an irregular shape and holes are formed in an irregular surface, the outer case is often formed by multiple assembling and multiple processes in the prior art, which results in low machining efficiency and easy displacement. In addition, in the machining process, a plurality of surfaces of the outer shell of the transmission often need to be machined simultaneously, and after one surface is machined, the workpiece needs to be turned over to machine other surfaces. At present, the machining is generally carried out for many times in a re-clamping mode, and the machining speed is low, the efficiency is low and the displacement is easy.

Disclosure of Invention

The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides a four-axis linkage processing equipment, this processing equipment can drive the shell body of derailleur and rotate, realizes processing a plurality of irregular holes on the surface of the shell body of derailleur on same process, improves the efficiency of processing, reduces machining error.

The four-axis linkage processing equipment according to the embodiment of the utility model comprises a frame; the workbench is connected to the rack in a sliding mode along the front-back direction, a first lead screw is arranged on the workbench along the left-right direction, a first lead screw nut seat is arranged on the first lead screw, and one end of the first lead screw is connected with a first power mechanism for driving the first lead screw to rotate; the connecting seat is arranged on the first lead screw nut seat, a fourth motor is arranged on the connecting seat, an output shaft of the fourth motor is connected with a rotating shaft through a coupler, an installation plate is arranged on the rotating shaft, a positioning column for positioning and installing a workpiece is convexly arranged in the middle of the left end of the installation plate, an angle sensor is arranged at the right end of the installation plate, the output shaft of the fourth motor, the rotating shaft and the rotating axis of the angle sensor are superposed, the angle sensor is electrically connected with a controller, and the controller is electrically connected with a driver of the fourth motor; the stand, the stand set up in the frame, the second lead screw has been arranged along the top and bottom direction on the stand, install second lead screw nut seat on the second lead screw, set up the mount table on the second lead screw nut seat, be provided with the fifth motor on the mount table, be connected with the drill bit on the output shaft of fifth motor, the upper end of second lead screw is connected with the drive second lead screw pivoted second power unit.

According to the utility model discloses four-axis linkage processing equipment has following technological effect at least: the positioning column is convexly arranged in the middle of the left end of the mounting plate, so that the outer shell of the transmission and the positioning column can be stably and accurately mounted on the mounting plate in a matched manner; in the process of processing, the workstation can be the back-and-forth movement in the frame, the connecting seat moves about on the workstation under first power unit's drive, make the position that needs punch on the shell body of derailleur move to under the drill bit, the cooperation drill bit is by the drive of second power unit to remove downwards and under the rotatory drive of fifth motor, the drill bit processes required hole on the relevant position of the shell body of derailleur, after treating to process the hole that is located same horizontal surface, the fourth motor of installing on the connecting seat drives the mounting panel and rotates certain angle, so that process the hole on another surface of shell body of derailleur. The machining of holes in multiple faces of the outer shell of the transmission can be realized only by clamping once, the machining efficiency is improved, and machining errors caused by multiple times of clamping are avoided. Through the rotation axis coincidence setting with the output shaft of fourth motor, axis of rotation and angle sensor, the turned angle of angle sensor but real-time detection mounting panel to give the controller with the signal transmission, and then realize the accurate control to the shell body turned angle at every turn of derailleur, further improve processingquality.

According to the utility model discloses a some embodiments, two first guide rails have been arranged along left right direction on the workstation, two first guide rail set up respectively in both sides around the first lead screw, the connecting seat is through first slider and two first guide rail sliding connection.

According to the utility model discloses a some embodiments, first guide rail is the forked tail guide rail, first slider be with forked tail guide rail assorted forked tail slider, the connecting seat pass through the forked tail slider with first guide rail sliding connection.

According to the utility model discloses a some embodiments, be provided with two second guide rails, two along the up-down direction on the stand the second guide rail set up respectively in the left and right sides of second lead screw, the mount table through second slider sliding connection in the second guide rail.

According to the utility model discloses a few embodiments, be provided with a plurality of third guide rails in the frame along the fore-and-aft direction, workstation sliding connection in on the third guide rail, just the workstation is connected with the drive the workstation is followed the third actuating mechanism of third guide rail back-and-forth movement.

According to some embodiments of the utility model, third actuating mechanism include through the lead screw supporting seat install in the third lead screw of workstation below, be provided with third lead screw nut seat on the third lead screw, the bottom installation of workstation with third lead screw nut seat, the one end of third lead screw is connected with third servo motor, the drive of third servo motor the third lead screw rotates, makes third lead screw nut seat is in move on the third lead screw, thereby drive the workstation is followed the third guide rail back-and-forth movement.

According to some embodiments of the present invention, the third screw is covered with a front organ cover and a rear organ cover for protection, one end of the front organ cover is connected to the front end surface of the workbench, and the other end of the front organ cover is connected to the front end of the rack; one end of the rear organ cover is connected to the rear end face of the workbench, and the rear end of the rear organ cover is connected to the rear end of the rack.

According to some embodiments of the utility model, first power unit is including setting up the first servo motor of the left end of workstation, first servo motor pass through the shaft coupling with first screw connection.

According to the utility model discloses a some embodiments, second power unit is provided with second gear motor, the upper end of stand is provided with the motor cabinet, second gear motor sets up on the motor cabinet to through shaft coupling and second lead screw connection.

According to some embodiments of the utility model, the both ends of second lead screw respectively through flange bearing with the upper and lower both ends of stand are connected.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic front view of an embodiment of the present invention;

fig. 2 is a schematic top view of an embodiment of the present invention;

fig. 3 is a schematic structural view of fig. 2 with front and rear gusset covers removed.

Reference numerals:

100-frame, 110-third guide rail;

200-a workbench, 210-a first lead screw, 220-a first guide rail and 230-a first servo motor;

300-a connecting seat, 310-a fourth motor, 320-a rotating shaft, 330-a mounting plate, 331-a positioning column, 340-an angle sensor and 350-a first sliding block;

400-upright column, 410-second screw rod, 420-mounting table, 430-fifth motor, 440-drill bit, 450-third guide rail, 460-second slide block, 470-second speed reducing motor, 480-motor base, 481-horizontal segment, 482-vertical segment, 483-support and 490-flange bearing;

510-a third screw, 520-a screw supporting seat, 530-a third servo motor, 540-a front organ cover and 550-a rear organ cover.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the positional or orientational descriptions, such as "upper", "lower", "front", "rear", "left", "right", etc., are referred to the positional or orientational relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, if there are descriptions of "first", "second", "third", "fourth", "fifth", etc., these are only used for distinguishing technical features, and they are not to be interpreted as indicating or implying relative importance or implying number of indicated technical features or implying order of indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, a four-axis linkage processing apparatus according to an embodiment of the present invention includes a frame 100, a worktable 200, a connecting seat 300, and a column 400; the workbench 200 is slidably connected to the rack 100 along the front-rear direction, a first lead screw 210 is arranged on the workbench 200 along the left-right direction, a first lead screw nut seat is arranged on the first lead screw 210, and one end of the first lead screw 210 is connected with a first power mechanism for driving the first lead screw 210 to rotate; the connecting base 300 is arranged on the first lead screw nut base, the fourth motor 310 is arranged on the connecting base 300, an output shaft of the fourth motor 310 is connected with a rotating shaft 320 through a coupling, a mounting plate 330 is arranged on the rotating shaft 320, a positioning column 331 for positioning and mounting a workpiece is convexly arranged in the middle of the left end of the mounting plate 330, an angle sensor 340 is arranged at the right end of the mounting plate 330, the rotating axes of the output shaft of the fourth motor 310, the rotating shaft 320 and the angle sensor 340 are overlapped, the angle sensor 340 is electrically connected with a controller, and the controller is electrically connected with a driver of the fourth motor 310; the upright column 400 is arranged on the frame 100, a second lead screw 410 is arranged on the upright column 400 along the up-down direction, a second lead screw nut seat is installed on the second lead screw 410, an installation table 420 is arranged on the second lead screw nut seat, a fifth motor 430 is arranged on the installation table 420, a drill 440 is connected to an output shaft of the fifth motor 430, and a second power mechanism for driving the second lead screw 410 to rotate is connected to the upper end of the second lead screw 410. Compared with the prior art, the embodiment of the utility model has the advantages that the positioning column 331 is convexly arranged in the middle of the left end of the mounting plate 330, so that the outer shell of the transmission and the positioning column 331 can be stably and accurately matched and mounted on the mounting plate 330; in the processing process, the workbench 200 can move back and forth on the frame 100, the connecting base 300 moves left and right on the workbench 200 under the driving of the first power mechanism, so that the position of the outer shell of the transmission, which needs to be punched, moves to the right below the drill 440, the drill 440 moves downwards under the driving of the second power mechanism and is driven by the rotation of the fifth motor 430 in a matching manner, the drill 440 processes the needed hole on the corresponding position of the outer shell of the transmission, and after the holes on the same horizontal surface are processed, the fourth motor 310 installed on the connecting base 300 drives the mounting plate 330 to rotate by a certain angle, so that the hole on the other surface of the outer shell of the transmission is processed. The machining of holes in multiple faces of the outer shell of the transmission can be realized only by clamping once, the machining efficiency is improved, and machining errors caused by multiple times of clamping are avoided. Through the output shaft with fourth motor 310, axis of rotation 320 and the axis of rotation coincidence setting of angle sensor 340, angle sensor 340 can real-time detection mounting panel 330 the turned angle to give the controller with the signal transmission, and then realize the accurate control to the shell body of derailleur turned angle at every turn, further improve processingquality. Specifically, the fourth motor 310 is a servo motor, and the control accuracy of the servo motor is high. The fifth motor 430 is a gear reduction motor, which has a compact structure, a small volume, a strong overload bearing capacity, a fine transmission ratio classification and a wide selection range, and the gear reduction motor can be used in cooperation with a rotary encoder, so that the rotating speed of an output shaft of the gear reduction motor is reduced to an actually required rotating speed.

In some embodiments of the present invention, two first guide rails 220 are disposed on the worktable 200 along the left and right directions, the two first guide rails 220 are respectively disposed on the front and rear sides of the first screw 210, and the connecting seat 300 is slidably connected to the two first guide rails 220 through the first slider 350. Through setting up two first guide rails 220, on the one hand two first guide rails 220 increase and the area of contact of connecting seat 300 for connecting seat 300 is more stable along controlling the direction removal, and it is higher to remove the precision, further improves processingquality, and on the other hand sets up on first guide rail 220 through sliding connecting seat 300, can avoid first lead screw nut seat to rotate, ensures when first power unit drive first lead screw 210 rotates, first lead screw nut seat drives connecting seat 300 and moves along controlling the direction. Of course, the number of the first guide rails 220 may be set to three, four, etc., as needed.

Further, second guide rail 450 sets up to the forked tail guide rail, and what correspond, first slider 350 are the forked tail slider, and connecting seat 300 passes through forked tail slider and forked tail guide rail sliding connection, slides more steadily reliably, avoids connecting seat 300 to produce the phenomenon of turning on one's side at the slip in-process. Thereby improve the utility model discloses fail safe nature and motion stationarity of embodiment.

As shown in fig. 1, in some embodiments of the present invention, two second guide rails 450 are disposed on the upright 400 along the up-down direction, the two second guide rails 450 are respectively disposed on the left and right sides of the second lead screw 410, and the mounting platform 420 is slidably connected to the second guide rails 450 through the second slider 460. Through setting up two first guide rails 220, two second guide rails 450 can increase the area of contact with mount table 420, can play the effect of direction again for mount table 420 moves more stably along the upper and lower direction, and it is higher to remove the precision, further improves processingquality. Of course, the number of the second guide rails 450 may be set to three, four, etc., as needed. Specifically, second guide rail 450 is the forked tail guide rail, and is corresponding, and second slider 460 is the forked tail slider, and mount table 420 passes through forked tail slider and forked tail guide rail sliding connection, slides steadily reliably, avoids mount table 420 to produce the phenomenon of skew at the in-process that slides from top to bottom, further improves mount table 420's motion stationarity.

As shown in fig. 2 and 3, in some embodiments of the present invention, a plurality of third guide rails 110, preferably two third guide rails 110, are disposed on the frame 100 along the front-back direction, the working table 200 is slidably connected to the two third guide rails 110, and the working table 200 is connected to a third driving mechanism for driving the working table 200 to move back and forth along the third guide rails 110. By providing two third rails 110 in the front-rear direction, the table 200 can be stably moved back and forth along the third rails 110 by the third driving mechanism during the machining process, thereby achieving the movement of the outer housing of the transmission mounted on the mounting plate 330 in the front-rear direction.

Further, the third driving mechanism includes a third lead screw 510 mounted below the worktable 200 through a lead screw support seat 520, the third lead screw 510 is provided with a third lead screw nut seat, the bottom of the worktable 200 is mounted with the third lead screw nut seat, one end of the third lead screw 510 is connected with a third servo motor 530, the third servo motor 530 drives the third lead screw 510 to rotate, so that the third lead screw nut seat moves on the third lead screw 510, and the worktable 200 is driven to move back and forth along the third guide rail 110. The third screw 510 is driven by the third servo motor 530 to drive the workbench 200 to move along the front-back direction through the third screw nut seat, and the third guide rail 110 is matched to play a role in guiding and positioning the workbench 200, so that the workbench 200 can move smoothly along the front-back direction. Thereby achieving accurate movement of the outer housing of the transmission mounted on the mounting plate 330 in the forward or rearward direction.

Furthermore, the third lead screw 510 is covered with a front organ cover 540 and a rear organ cover 550 for protection, one end of the front organ cover 540 is connected to the front end surface of the workbench 200, and the other end is connected to the front end of the rack 100; the rear organ cover 550 has one end connected to the rear end surface of the table 200 and the rear end connected to the rear end of the frame 100. With the arrangement, in the whole processing process, the front organ cover 540 and the rear organ cover 550 stretch along with the movement of the workbench 200 in the front-rear direction and always cover the third screw 510, so that the cooling liquid and the generated scraps can be blocked and do not fall onto the third screw 510, the waterproof and scrap-proof effects are optimal, the front organ cover 540 and the rear organ cover 550 are simple to install, and the whole structure is simpler.

In some embodiments of the present invention, the first power mechanism includes a first servo motor 230 disposed at the left end of the working platform 200, and the first servo motor 230 is connected to the first lead screw 210 through a shaft coupling. The servo motor has high control speed and position precision, so that the workbench 200 can be accurately moved to a required position.

In some embodiments of the present invention, the second power mechanism is provided with a second gear motor 470, the upper end of the upright 400 is provided with a motor base 480, and the second gear motor 470 is disposed on the motor base 480 and connected to the second lead screw 410 through a shaft coupling. The second reduction motor 470 is arranged at the right end of the upright column 400 and is directly connected with the second lead screw 410 through a coupler, and an additional reduction device is not needed, so that the whole device is more compact and more miniaturized. Of course, the first power mechanism may also be selected from other types of motors or other power mechanisms, such as a servo motor, a stepping motor, etc., according to the actual production requirements. Further, the motor base 480 comprises a horizontal section 481 and a vertical section 482, the vertical section 482 is connected with the upright column 400 through a support 483, and a reinforcing rib is arranged between the horizontal section 481 and the vertical section 482, so that the reinforcing rib increases the bearing capacity of the motor base 480, avoids the horizontal section 481 from being deformed under the influence of the weight of the second speed reduction motor 470, and influences the maximum torque transmitted to the second lead screw 410 by the second speed reduction motor 470.

Further, two ends of the second lead screw 410 are respectively connected with the upper end and the lower end of the upright 400 through flange bearings 490. The stability of the second lead screw 410 is improved by using the flange bearing 490, and the problem that the second lead screw 410 vibrates to influence the smoothness of the up-and-down movement of the mounting table 420 in the pushing process is avoided.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a four-axis linkage processing equipment which characterized in that includes:

a frame (100);

the workbench (200) is connected to the rack (100) in a sliding manner along the front-back direction, a first lead screw (210) is arranged on the workbench (200) along the left-right direction, a first lead screw nut seat is arranged on the first lead screw (210), and one end of the first lead screw (210) is connected with a first power mechanism for driving the first lead screw (210) to rotate;

the connecting seat (300) is arranged on the first lead screw nut seat, a fourth motor (310) is arranged on the connecting seat (300), an output shaft of the fourth motor (310) is connected with a rotating shaft (320) through a coupler, a mounting plate (330) is arranged on the rotating shaft (320), a positioning column (331) used for positioning and mounting a workpiece is convexly arranged in the middle of the left end of the mounting plate (330), an angle sensor (340) is arranged at the right end of the mounting plate (330), the rotating shafts (320) and the rotating axes of the fourth motor (310) coincide, the angle sensor (340) is electrically connected with a controller, and the controller is electrically connected with a driver of the fourth motor (310);

the vertical column (400) is arranged on the rack (100), a second lead screw (410) is arranged on the vertical column (400) along the vertical direction, a second lead screw nut seat is installed on the second lead screw (410), an installation table (420) is arranged on the second lead screw nut seat, a fifth motor (430) is arranged on the installation table (420), a drill bit (440) is connected onto an output shaft of the fifth motor (430), and the upper end of the second lead screw (410) is connected with a second power mechanism for driving the second lead screw (410) to rotate.

2. The four-axis linkage machining equipment according to claim 1, wherein two first guide rails (220) are arranged on the workbench (200) in the left-right direction, the two first guide rails (220) are respectively arranged on the front side and the rear side of the first lead screw (210), and the connecting seat (300) is slidably connected with the two first guide rails (220) through a first sliding block (350).

3. The four-axis linkage machining equipment according to claim 2, wherein the first guide rail (220) is a dovetail guide rail, the first sliding block (350) is a dovetail sliding block matched with the dovetail guide rail, and the connecting seat (300) is in sliding connection with the first guide rail (220) through the dovetail sliding block.

4. The four-axis linkage machining equipment according to claim 1, wherein two second guide rails (450) are arranged on the upright column (400) in the vertical direction, the two second guide rails (450) are respectively arranged on the left side and the right side of the second lead screw (410), and the mounting table (420) is slidably connected to the second guide rails (450) through second sliding blocks (460).

5. The four-axis linkage machining equipment according to claim 1, wherein a plurality of third guide rails (110) are arranged on the rack (100) in the front-back direction, the workbench (200) is slidably connected to the third guide rails (110), and the workbench (200) is connected with a third driving mechanism for driving the workbench (200) to move back and forth along the third guide rails (110).

6. The four-axis linkage machining equipment according to claim 5, wherein the third driving mechanism comprises a third lead screw (510) which is mounted below the worktable (200) through a lead screw supporting seat (520), a third lead screw nut seat is arranged on the third lead screw (510), the bottom of the worktable (200) is mounted on the third lead screw nut seat, a third servo motor (530) is connected to one end of the third lead screw (510), and the third servo motor (530) drives the third lead screw (510) to rotate, so that the third lead screw nut seat moves on the third lead screw (510), and the worktable (200) is driven to move back and forth along the third guide rail (110).

7. The four-axis linkage machining equipment according to claim 6, wherein the third lead screw (510) is externally covered with a front organ cover (540) and a rear organ cover (550) for protection, one end of the front organ cover (540) is connected to the front end surface of the workbench (200), and the other end of the front organ cover is connected to the front end of the rack (100); one end of the rear organ cover (550) is connected to the rear end face of the workbench (200), and the rear end of the rear organ cover is connected to the rear end of the rack (100).

8. The four-axis linkage machining equipment according to claim 1, wherein the first power mechanism comprises a first servo motor (230) arranged at the left end of the workbench (200), and the first servo motor (230) is connected with the first lead screw (210) through a coupler.

9. The four-axis linkage machining equipment according to claim 1, wherein the second power mechanism is provided with a second speed reduction motor (470), the upper end of the upright (400) is provided with a motor base (480), and the second speed reduction motor (470) is arranged on the motor base (480) and connected with the second lead screw (410) through a coupler.

10. The four-axis linkage machining equipment according to claim 1, wherein two ends of the second lead screw (410) are connected with the upper end and the lower end of the upright column (400) through flange bearings (490).

Images