CN210024724U

CN210024724U - Automobile sunroof guide rail workpiece deburring device

Info

Publication number: CN210024724U
Application number: CN201920754507.4U
Authority: CN
Inventors: 唐志峰
Original assignee: Suzhou Zeerta Automation Co Ltd
Current assignee: Suzhou Zeerta Automation Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-02-07
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a sunroof guide rail work piece burring device, the device include the arm and installed the centre gripping and have the fixture's of waiting to process the guide rail work piece the solid of revolution, and the guide rail work piece that processing was treated through the rotary file of main shaft assembly that floats to its arm carries out the burring grinding, through the nimble action of using the rotary file cutter that population size far is less than dupont wire wheel thickness, cooperation arm, can get rid of the guide rail work piece and wait to process dead angle positions such as the unable processing of dupont wire wheel in the position.

Description

Automobile sunroof guide rail workpiece deburring device

Technical Field

The utility model relates to an automation, it is specific, relate to sunroof guide rail work piece burring device.

Background

The automobile skylight guide rail workpiece is generally made of 6-series aluminum alloy sections such as aluminum alloy 6061 and the like through precise milling, a lot of burrs are left on the machined surface, and if the burrs are not processed, the assembling quality is influenced when an automobile skylight assembly is assembled, and the automobile skylight guide rail workpiece can scratch an automobile sunshade cloth fabric after being assembled on an automobile skylight.

Therefore, a great deal of labor is required to remove the burrs from the surface thereof during the production thereof. However, manual work is not only inefficient, but also costly. Therefore, instead, an apparatus for holding a workpiece by a robot so that the workpiece is ground and deburred at a station where a motor rotates a dupont wire wheel is widely used.

However, in the process of polishing the guide rail workpiece by the dupont wire wheel, because the diameter ratio of the dupont wire wheel is larger, and the structure of the position to be processed of the guide rail workpiece is more compact, some dead corners of the structure to be processed cannot be reached by the dupont wire wheel, namely, the dead corners cannot be polished, and the subsequent manual repair is still needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sunroof guide rail work piece burring device for at least one among the solution above-mentioned technical problem.

Therefore, the technical scheme of the utility model is that: the utility model provides a sunroof rail work piece burring device which includes:

the rotary body can rotate along the axis in the vertical direction, and a plurality of clamping mechanisms for clamping a guide rail workpiece to be machined are arranged in the circumferential direction of the rotary body;

the tail end of the mechanical arm is provided with a rotary file through a floating main shaft, and the mechanical arm can drive the floating main shaft to move in a three-dimensional space so as to drive the rotary file to grind a guide rail workpiece to be machined on the clamping mechanism;

the number of the clamping mechanisms is larger than that of the mechanical arms, so that when all the mechanical arms grind and deburr the guide rail workpiece on the clamping mechanism corresponding to the positions of the mechanical arms through the rotary file, at least one clamping mechanism is located at the material changing station, and the clamping mechanism located at the material changing station can unload the machined guide rail workpiece or load the guide rail workpiece to be machined.

Furthermore, the number of the clamping mechanisms is two times of the number of the mechanical arms, and when half of the clamping mechanisms are matched with the mechanical arms to carry out grinding and deburring processing, the other half of the clamping mechanisms are located at material changing stations.

Further, the clamping mechanism which is matched with the mechanical arm to carry out grinding and deburring processing and the clamping mechanism which is arranged at the material changing station are alternately arranged along the circumferential direction of the revolving body.

Further, the solid of revolution is the numerical control revolving stage, the numerical control revolving stage including have fixed position the chassis, with the chassis is concentric and can be in through a plurality of gyro wheels the revolving turret of self vertical axis gyration is gone up to the chassis, the revolving turret is including being circular and first mounting panel and the second mounting panel of upper and lower opposition, and is a plurality of fixture connects between the edge of first mounting panel and second mounting panel, wherein, fixture slope sets up to make its major axis with the plane of second mounting panel place forms an acute angle.

Further, fixture includes a lead screw elevating platform and at least one anchor clamps, wherein, the lead screw elevating platform includes lead screw portion, and can the pedestal that lead screw portion reciprocated, linked firmly quantity on the pedestal with the adjustment mechanism that anchor clamps quantity is unanimous, adjustment mechanism is used for adjusting anchor clamps for the inclination of lead screw portion.

Further, the fixture is rod-shaped and comprises a first end and a second end which are opposite to each other, the adjusting mechanism comprises a pair of air cylinders fixedly arranged on the pedestal, and output shafts of the pair of air cylinders are respectively connected with the first end and the second end.

Further, the cutting edge of the rotary file forms an angle of 30 to 35 degrees with the axis of the rotary file.

Further, sunroof guide rail work piece burring device still include with solid of revolution, fixture and arm electric connection's control system.

The utility model has the advantages of as follows:

1. the utility model provides a sunroof guide rail work piece burring device's arm treats the guide rail work piece of processing through the rotary file of the assembly of main shaft that floats and carries out the burring grinding, through the nimble action that uses the rotatory file cutter that population size far is less than dupont wire wheel thickness, cooperation arm, can get rid of the guide rail work piece and treat positions such as the dead angle that dupont wire wheel can't be handled in the processing position.

2. The utility model provides a sunroof guide rail work piece burring device can cooperate a plurality of fixture simultaneous workings in turn with a plurality of arms simultaneously, can improve machining efficiency greatly.

Drawings

FIG. 1 is a schematic structural view of a deburring device for automobile window guide rail workpieces according to the present invention;

fig. 2 is a schematic view of a matching structure of the mechanical arm and the clamping mechanism of the present invention;

FIG. 3 is a schematic structural view of the clamping mechanism of the present invention;

FIG. 4 is a structural diagram of the floating spindle holding rotary file of the present invention;

shown in the figure:

100. a revolving body; 200. a clamping mechanism; 300. a mechanical arm; 400. a guide rail workpiece; 500. rotating the file;

1. a floating main shaft; 2. a chassis; 3. a roller; 4. a rotating frame; 5. a first mounting plate; 6. a second mounting plate; 7. a screw rod lifting platform; 71. a wire rod part; 72. a pedestal; 8. a clamp; 9. and a cylinder.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and use non-precise ratios, and are only used for the purpose of facilitating and clearly assisting the description of the embodiments of the present invention.

Referring to fig. 1, 2, 3 and 4, as a first aspect of the present invention, there is provided a deburring apparatus for a workpiece of a window guide of an automobile, including:

the rotary body 100 can rotate along the axis in the vertical direction of the rotary body 100, and a plurality of clamping mechanisms 200 for clamping a guide rail workpiece 400 to be processed are arranged in the circumferential direction of the rotary body 100;

at least one mechanical arm 300, wherein the at least one mechanical arm 300 is arranged close to the revolving body 100, the tail end of the mechanical arm 300 is provided with a rotary file 500 through a floating main shaft 1, and the mechanical arm 300 can drive the floating main shaft 1 to move in a three-dimensional space so as to drive the rotary file 500 to grind a guide rail workpiece 400 to be machined on the clamping mechanism 200;

the number of the clamping mechanisms 200 is greater than that of the mechanical arms 300, so that when all the mechanical arms 300 grind and deburr the guide rail workpiece 400 on the clamping mechanism 200 corresponding to the positions of the mechanical arms through the rotary file 500, at least one clamping mechanism 200 is in the material changing station, and the clamping mechanism 200 in the material changing station is convenient to unload the machined guide rail workpiece 400 or load the guide rail workpiece 400 to be machined.

Borrow by above-mentioned structure, the utility model provides a sunroof guide rail work piece 400 burring device's arm 300 treats the guide rail work piece 400 of processing through the rotary file 500 of the 1 assembly of main shaft that floats and carries out the burring grinding, through the rotary file 500 cutter (as shown in fig. 4) that uses population size far to be less than dupont wire wheel thickness, the nimble action of cooperation arm 300, can get rid of guide rail work piece 400 and treat positions such as dead angle that dupont wire wheel can't be handled in the processing position. Meanwhile, a plurality of mechanical arms 300 can be matched with a plurality of clamping mechanisms 200 to work simultaneously, and the processing efficiency can be greatly improved.

Preferably, the number of the clamping mechanisms 200 is twice that of the mechanical arms 300, so that when half of the clamping mechanisms 200 are matched with the mechanical arms 300 for grinding, and the other half of the clamping mechanisms 200 are in the material changing station, the mechanical arms 300 of the sunroof rail workpiece 400 deburring device can unload the machined rail workpiece 400 and load the rail workpiece 400 to be machined to the clamping mechanisms 200 in the material changing station at the same time, and therefore the downtime of the mechanical arms 300 is reduced.

Further, the clamping mechanisms 200 in cooperation with the robot arm 300 for grinding and deburring and the clamping mechanisms 200 in the refueling station are alternately arranged along the circumferential direction of the revolving body 100. In this way, the rotational body 100 can be rotated to the minimum extent to switch the stations of the respective gripping mechanisms 200, thereby shortening the waiting time for the robot arm 300 to the maximum extent and improving the processing efficiency.

Specifically, the revolving body 100 is a numerical control turntable, the numerical control turntable includes a chassis 2 having a fixed position, a rotating frame 4 concentric with the chassis 2 and capable of revolving along a vertical axis of the rotating frame itself through a plurality of rollers 3, the rotating frame 4 includes a first mounting plate 5 and a second mounting plate 6 which are circular and are arranged oppositely from top to bottom, and a plurality of clamping mechanisms 200 are connected between edges of the first mounting plate 5 and the second mounting plate 6, wherein the clamping mechanisms 200 are obliquely arranged so that a long axis thereof and a plane where the second mounting plate 6 is located form an acute angle. The acute angle is set for the purpose that the surface to be processed of the rail workpiece 400 held by the holding mechanism 200 has a tendency toward the robot arm 300, thereby obtaining an optimum cutting feed angle in cooperation with the cutting edge of the pointed rotary file 500.

Referring to fig. 2 and fig. 3, the clamping mechanism 200 includes a screw lifting table 7 and at least one clamp 8, wherein the screw lifting table 7 includes a screw rod portion 71 and a pedestal 72 capable of moving up and down on the screw rod portion 71, the pedestal 72 is fixedly connected with adjusting mechanisms whose number is consistent with the number of the clamps 8, and the adjusting mechanisms are used for adjusting the inclination angle of the clamp 8 relative to the screw rod portion 71. Preferably, two jigs 8 are provided on any one of the lead screw elevating tables 7, so that when the robot arm 300 grinds the rail work 400 on the two jigs 8 at one time, a larger number of rail works 400 can be loaded and clamped onto the clamping mechanism 200, and the total waiting time for loading and unloading when grinding a large number of rail works 400 can be further shortened.

Referring to fig. 3, the clamp 8 is in a rod shape and includes a first end and a second end opposite to each other, the adjusting mechanism includes a pair of cylinders 9 fixed on the pedestal 72, and output shafts of the pair of cylinders 9 are respectively connected to the first end and the second end. The angle of the clamp 8 is adjusted by controlling the stretching of the air cylinder 9, so that the relative angle between the guide rail workpiece 400 and the rotary file 500 on the mechanical arm 300 is adjusted, and the height position of the guide rail workpiece 400 is adjusted by the screw lifting table 7, so that the four corners of the grinding machine can be eliminated to the maximum extent during the operation of the machine, and the defect of manual repair due to incomplete grinding of individual positions is avoided.

In a preferred embodiment, the cutting edges of the rotary file 500 are angled between 30 and 35 degrees from the axis of the rotary file 500. So as to facilitate chip removal in the grinding process.

Wherein, unsteady main shaft 1 can select for use the unsteady main shaft 1 of pneumatic type in this embodiment, the handle of a knife of rotary file 500 can be 6mm to general centre gripping is convenient for.

Further, the deburring device for the sunroof rail workpiece 400 further comprises a control system electrically connected with the revolving body 100, the clamping mechanism 200 and the mechanical arm 300. The controller may be an industrial personal computer, a PLC-based controller, or the like, and may be described in detail below with respect to parameter debugging and the like.

As a second aspect of the present invention, the present invention also provides a debugging method of the deburring device for the sunroof rail workpiece 400, which includes the following steps:

the method comprises the following steps: a tool coordinate system of the rotary file 500 held by the floating spindle 1 and a workpiece coordinate system of the guide rail workpiece 400 to be machined on the revolving unit 100 are entered in a teach pendant of the robot arm 300 based on the position information to be ground of the guide rail workpiece 400 to be machined.

Specifically, tool coordinate system (TCP) parameters and workpiece coordinate system (WOBJ) coordinate data are input into the robot 300 demonstrator according to the size of the digifax. Starting the mechanical arm 300, and testing whether the deviation set by the TCP coordinate of the mechanical arm 300 meets the processing requirement;

step two: writing an action track off-line program of the mechanical arm 300 through off-line programming software, and writing the action track off-line program to the mechanical arm 300;

uploading the manipulator 300, the rotary file 500 and the digifax of the fixture 8, for example, by the off-line programming software Sprutcam; defining the tool size of the rotary file 500; generating a track curve of the action of the mechanical arm 300 according to the contour line of the part to be processed of the guide rail workpiece 400; exporting an offline program; a robot arm 300 software program is generated and programmed into the robot arm 300.

Step three: the robot 300 performs test grinding according to the action track offline program, and verifies the action track offline program through DOE experiments to obtain the action track offline program capable of obtaining the best grinding appearance quality.

This step is intended for systematic offset calibration of the robotic arm 300 process. Specifically, the mechanical arm 300 with the software program written therein is operated, the mechanical arm 300 simulates and processes the contour of the to-be-ground portion of the guide rail workpiece 400 clamped on the clamp 8 according to the software program, and through DOE experiments, the gap between the edge of the cutting edge of the rotary file 500 and the contour of the to-be-ground portion of the guide rail workpiece 400 is measured, and parameters such as the feed rate of the rotary file 500 are adjusted.

In particular, the statistical comparison of these parameters can be as follows in table 1:

TABLE 1

	Offset distance-	Offset pitch
			Gap-	Quality of appearance 1	Quality of appearance 2
Gap is turned on	Quality of appearance 3	Appearance quality 4

In table 1: the 'gap' is the gap between the edge of the cutting edge of the rotary file 500 and the contour edge of the region of the guide rail workpiece 400 to be processed, which is to be ground; the "offset" is the amount of feed of the rotary file 500.

According to the result of appearance quality of the DOE experiment, the most appropriate offset value and gap amount are obtained.

After the software program is checked through the most suitable offset value and the most suitable gap amount, the small-batch production verification can be performed, for example, workpieces of different batches are selected, and the stability of the small-batch production verification processing is performed.

To sum up, the utility model discloses the messenger grips main shaft 1 that floats through arm 300, and the rotatory file 500 of 1 clamping of main shaft that floats is to sunroof rail work piece 400 of clamping on anchor clamps 8 according to the orbit of prescription definition and the feeding amount definition of route, processing, processes the burring position of waiting to mill on sunroof rail work piece 400. After the machining is finished, the numerical control rotary table transfers the clamping mechanism 200 clamping the machined skylight guide rail workpiece 400 to a material changing station, the guide rail workpiece 400 is taken down mechanically or manually, and the unmachined guide rail workpiece 400 is clamped, so that the corresponding clamping mechanism 200 enters a new machining process.

Various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a sunroof guide rail work piece burring device which characterized in that includes:

2. The automobile sunroof rail workpiece deburring device according to claim 1, wherein the number of the clamping mechanisms is equal to twice the number of the mechanical arms, and when half of the clamping mechanisms are matched with the mechanical arms for grinding and deburring processing, the other half of the clamping mechanisms are located at material changing stations.

3. The automobile sunroof rail workpiece deburring device according to claim 2, wherein the clamping mechanisms at the positions where the mechanical arms are matched for grinding and deburring and the clamping mechanisms at the material changing stations are alternately arranged in the circumferential direction of the revolving body.

4. The automobile sunroof guide rail workpiece deburring device according to claim 1, wherein the revolving body is a numerical control revolving stage, the numerical control revolving stage comprises a chassis with a fixed position and a revolving rack which is concentric with the chassis and can revolve on the chassis along a vertical axis of the revolving rack through a plurality of rollers, the revolving rack comprises a first mounting plate and a second mounting plate which are circular and are arranged in an up-down opposite mode, and a plurality of clamping mechanisms are connected between edges of the first mounting plate and the second mounting plate, wherein the clamping mechanisms are arranged in an inclined mode so that long axes of the clamping mechanisms form an acute angle with a plane where the second mounting plate is located.

5. The automobile sunroof rail workpiece deburring device according to claim 1, wherein the clamping mechanism comprises a lead screw lifting table and at least one clamp, wherein the lead screw lifting table comprises a lead screw portion and pedestals capable of moving up and down on the lead screw portion, and the pedestals are fixedly connected with adjusting mechanisms in number consistent with the number of the clamps, and the adjusting mechanisms are used for adjusting the inclination angle of the clamps relative to the lead screw portion.

6. The automobile sunroof rail workpiece deburring device according to claim 5, wherein the jig is in the shape of a rod and comprises a first end and a second end which are opposite to each other, the adjusting mechanism comprises a pair of cylinders which are fixedly arranged on the pedestal, and output shafts of the pair of cylinders are respectively connected with the first end and the second end.

7. The automotive sunroof rail workpiece deburring device of claim 1, wherein the angle between the cutting edge of the rotary file and the axis of the rotary file is between 30 and 35 degrees.

8. The sunroof rail workpiece deburring device of claim 1, further comprising a control system electrically connected to the revolver, the clamping mechanism and the robotic arm.