CN115716219A - Grinding machine for numerical control machining center and operation method thereof - Google Patents
Grinding machine for numerical control machining center and operation method thereof Download PDFInfo
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- CN115716219A CN115716219A CN202211473373.1A CN202211473373A CN115716219A CN 115716219 A CN115716219 A CN 115716219A CN 202211473373 A CN202211473373 A CN 202211473373A CN 115716219 A CN115716219 A CN 115716219A
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Abstract
The invention discloses a grinding machine for a numerical control machining center and an operation method thereof, belonging to the technical field of grinding machines, and comprising a workbench, wherein a groove grinding machine, a workpiece transfer device and a surface grinding machine are sequentially arranged on the workbench along the Y-axis direction, a placing box is arranged on one side of the groove grinding machine along the X-axis direction, a plurality of placing grooves are uniformly arranged on the placing box, a workpiece is placed in the placing grooves, bulges are arranged in the placing grooves, the shapes of the bulges are matched with the shapes of the grooves on the workpiece, and the grooves of the workpiece are placed in alignment with the bulges in the initial state. The device is suitable for polishing the outer surfaces of all shaft workpieces and the grooves on the shaft, and simultaneously realizes full-automatic operation.
Description
Technical Field
The invention belongs to the technical field of grinding machines, and particularly relates to a grinding machine for a numerical control machining center and an operation method thereof.
Background
In order to smooth the surface of a shaft-like workpiece such as a shaft or a sleeve, it is necessary to perform a grinding and polishing process on the surface of the shaft-like workpiece such as a shaft or a sleeve.
Chinese patent application No. CN201922017359.0 discloses an outer surface grinding device of axle sleeve, including base and fixed plate, one side on base top is provided with the fixed plate, and the middle part of fixed plate is inlayed and is equipped with electric telescopic handle, and electric telescopic handle's piston rod passes the fixed plate and fixedly is equipped with first connecting plate, and one side of first connecting plate is provided with the second connecting plate. The utility model discloses with the axle sleeve cover on spacing post, through stop gear, can be so that the axle sleeve is spacing between first limiting plate and stop gear's spacing dish, through electric telescopic handle, cooperate first connecting plate and U-shaped connecting piece, can make the second connecting plate drive the direction removal of a section of thick bamboo to the axle sleeve of polishing, under the effect of a section of thick bamboo of polishing, can carry out the burnishing and polishing processing to the surface of axle sleeve, through carousel and slider, can make the limiting plate rotate, and then make the position change of axle sleeve processed and unprocessed axle sleeve, through positioning mechanism, can fix the limiting plate after the transform.
However, the prior art discloses a device for polishing the outer surface of a shaft workpiece, and does not disclose how to polish grooves on the shaft workpiece, and a device capable of realizing full automation is also disclosed.
Disclosure of Invention
In view of the above problems in the prior art, it is an object of the present invention to provide a grinding machine for a numerical control machining center and an operation method thereof.
The invention provides the following technical scheme:
a grinding machine for a numerical control machining center comprises a workbench, wherein a groove grinding machine, a workpiece transfer device and a surface grinding machine are sequentially arranged on the workbench along a Y-axis direction, a placing box is arranged on one side of the groove grinding machine along an X-axis direction, a plurality of placing grooves are uniformly formed in the placing box, workpieces are placed in the placing grooves, bulges are arranged in the placing grooves, the shapes of the bulges are matched with those of grooves in the workpieces, and the grooves of the workpieces are placed in alignment with the positions of the bulges in an initial state;
the surface grinding machine comprises an automatic feeding device, a surface roller grinding assembly and a recycling box which are sequentially arranged on a workbench from left to right, and a moving device is arranged on the workbench through a frame body.
The workpiece transfer device comprises a triaxial module, a connecting plate arranged on the triaxial module is installed on the connecting plate, a first motor arranged on the connecting plate through a motor mounting seat is provided with an active wheel, two ends of a rotating frame are movably installed on a fixing frame through a shaft matching bearing, the fixing frame is installed on the connecting plate, an electric lead screw is installed on the rotating frame, a first pneumatic clamping jaw is installed on the electric lead screw, a driven wheel is installed on the rotating frame, which is close to one end of the motor, on the shaft, the rotating frame is connected with the active wheel through a belt in a transmission mode, and the electric lead screw can drive the first pneumatic clamping jaw to move along an X shaft.
The three-axis module comprises a three-axis robot installed on the workbench, a two-axis robot installed on the three-axis robot is installed, a five-axis robot installed on the two-axis robot is installed on a connecting plate installed on the five-axis robot, the three-axis robot can drive the connecting plate to move along the Y axis, the two-axis robot can drive the connecting plate to move along the X axis, and the five-axis robot can drive the connecting plate to move along the Z axis.
Specifically, the groove grinding machine comprises a mounting plate, a first single-shaft robot is mounted on the mounting plate, a movable plate is mounted on the first single-shaft robot, two ends of the movable plate are mounted on a first linear guide rail, a grinding machine is mounted on the movable plate through a mounting seat, a grinding head is mounted on the grinding machine simultaneously, a second linear guide rail is located right ahead of the grinding machine, a second linear guide rail is mounted on the mounting plate, a foundation column is mounted on the second linear guide rail, a placing plate is mounted on the foundation column through a micro switch, and the placing plate is connected with the foundation column through a spring.
Specifically, the micro switch is provided with a contact point and an induction plate, and when the induction plate is contacted with the contact point, the micro switch transmits a signal; the placing plate is installed on the induction plate.
The automatic feeding device comprises a lower sliding plate, a workpiece is arranged in the lower sliding plate, two sides of the lower sliding plate are arranged on a workbench through columns, an upper plate and the lower plate are arranged on one surface of each column far away from the lower sliding plate, a gap is formed between the installation positions of the upper plate and the lower plate, the gap is larger than the outer size of the workpiece, meanwhile, an ascending plate is arranged between the two columns, the ascending plate is movably arranged on the workbench through a cylinder I, and when the workpiece falls onto the lower sliding plate, the workpiece falls onto the ascending plate under the guiding action of the lower sliding plate and is then intercepted on the ascending plate by the lower plate; one end of the ascending plate close to the lower sliding plate is provided with an inclined surface, and the inclined surface is inclined downwards from one surface close to the lower sliding plate to the other surface; simultaneously hold the post and install on the workstation through the mounting bracket, the position that holds the post is located the below in clearance, and is equipped with the recess on Cheng Fangzhu.
Specifically, the surface roller grinding assembly comprises a placing frame which is in the same straight line with Cheng Fangzhu, a first grinding roller and a second grinding roller are arranged on two sides of the placing frame respectively, the first grinding roller and the second grinding roller are mounted on a workbench through a transmission device, and abutting rods are arranged on one sides of the first grinding roller and one side of the second grinding roller.
Specifically, transmission includes the rotation axis, and the roller of polishing is installed on the rotation axis, the rotation axis both ends are passed through the bearing housing subassembly and are installed on the workstation, install gear one on the rotation axis, and gear two meshes the transmission with gear one, and gear two installs the one end at the transmission shaft, and belt pulley one is installed to the other end of transmission shaft, the transmission shaft passes through the bearing housing subassembly and installs on the workstation, installs belt pulley two on the motor two, connects through belt transmission between belt pulley one and the belt pulley two.
Concretely, the mobile device is including installing the unipolar robot four on the support body, installs the removal seat on unipolar robot four, installs the cylinder two on removing the seat, installs the connecting seat on cylinder two, the guiding axle is installed at connecting seat top surface both ends, the guiding axle passes the flange of installing on removing the seat to make stable reciprocating of connecting seat, pneumatic clamping jaw two is installed at connecting seat bottom surface both ends, all has the clamp splice through bearing movable mounting on the clamping jaw of every pneumatic clamping jaw two, be equipped with the groove on the clamp splice.
Based on the device, the invention also provides an operation method of the grinding machine for the numerical control machining center, which comprises the following steps:
s1, the workpiece transfer device clamps out the workpiece in the placing box and moves a groove in the workpiece towards the direction of the groove grinding machine;
s2, polishing the groove in the workpiece by a groove grinding machine;
s3, after the groove polishing process is finished, transferring the workpiece to a surface grinding machine through a workpiece transfer device;
s4, starting the automatic feeding device, and intermittently feeding the workpiece by the automatic feeding device;
s5, starting the moving device, and conveying the workpiece to the surface roller grinding assembly from the automatic feeding device by the moving device for surface grinding;
s6, after the surface is polished, the workpiece is transported to a recovery box from the surface roller mill assembly by the moving device to be recovered.
The invention has the beneficial effects that:
1. the device is suitable for polishing the outer surfaces of all shaft workpieces and grooves on the shaft, and simultaneously realizes full-automatic operation;
2. this device can be applicable to not unidimensional recess and polish.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of a first embodiment of the present invention;
FIG. 2 is a three-dimensional view of an embodiment of the present invention that does not include a table and transmission;
FIG. 3 is a three-dimensional view of the automatic feeding apparatus of the present invention;
FIG. 4 is a schematic view showing the internal structure of the automatic feeding apparatus of the present invention;
FIG. 5 is a three-dimensional view of the transmission of the present invention;
FIG. 6 is a side view of a second embodiment of the present invention;
FIG. 7 is a three-dimensional view of a workpiece transfer apparatus according to a second embodiment of the present invention without a three-axis module;
FIG. 8 is a three-dimensional view of a groove grinder according to a second embodiment of the present invention;
fig. 9 is a three-dimensional view of a micro switch according to a second embodiment of the present invention.
Labeled as: 1. a surface grinder; 2. a workpiece transfer device; 3. a groove grinder; 4. a workpiece; 5. a work table;
101. an automatic feeding device; 102. a mobile device; 103. a surface roller mill assembly; 104. a recovery box; 105. a frame body;
1011. a lower slide plate; 1012. a lifting plate; 1013. a first cylinder; 1014. a column; 1015. an upper plate; 1016. a lower plate; 1017. a gap; 1018. cheng Fangzhu; 1019. a mounting frame;
1021. a single-shaft robot IV; 1022. a movable seat; 1023. a guide shaft; 1024. a flange; 1025. a second air cylinder; 1026. a connecting seat; 1027. a second pneumatic clamping jaw; 1028. a clamping block; 1029.
1031. grinding a first grinding roller; 1032. grinding a second grinding roller; 1033. a shelf; 1034. a tightening rod; 1035. a rotating shaft; 1036. a first belt pulley; 1037. a first gear; 1038. a second gear; 1039. a drive shaft; 10310. a second motor;
201. a second single-shaft robot; 202. a single-shaft robot III; 203. a connecting plate; 204. a fixed mount; 205. a rotating frame; 206. a first motor; 207. a motor mounting seat; 208. a driving wheel; 209. a driven wheel; 210. an electric lead screw; 211. a first pneumatic clamping jaw; 212. a single-shaft robot five;
301. mounting a plate; 302. a single-shaft robot I; 303. moving the plate; 304. a first linear guide rail; 305. a grinder; 306. a mounting seat; 307. a grinding head; 308. a second linear guide rail; 309. a base pillar; 310. placing the plate; 311. a micro switch; 312. an induction plate; 313. a point of contact.
Detailed Description
As shown in fig. 2, X in the figure refers to an X-axis in the coordinate system, Y refers to a Y-axis in the coordinate system, and Z refers to a Z-axis in the coordinate system.
Example one
As shown in fig. 1 to 2, the present invention provides a grinding machine for a numerical control machining center, comprising a table 5, and a surface grinding machine 1 mounted on the table 5 for grinding the outer surface of a shaft-like workpiece.
The surface grinding machine 1 includes an automatic feed device 101, a surface roller mill assembly 103, and a recovery box 104 which are mounted on a table 5 in this order from left to right, and a moving device 102 is mounted on the table 5 through a frame body 105.
The moving device 102 moves the workpiece 4 in the automatic feed device 101 into the surface roller mill assembly 103 for surface grinding, and then moves the ground workpiece into the recovery box 104 by the moving device 102.
Referring to fig. 3-4 with emphasis, the automatic feeding device 101 comprises a lower slide plate 1011, a workpiece 4 placed in the lower slide plate 1011, a table 5 mounted on both sides of the lower slide plate 1011 via posts 1014, an upper plate 1015 and a lower plate 1016 mounted on the side of the posts 1014 away from the lower slide plate 1011, and a gap 1017 spaced between the mounting positions of the upper plate 1015 and the lower plate 1016, the gap 1017 being larger than the outer dimension of the workpiece 4, while an upper lifting plate 1012 is located between the two posts 1014, and the upper lifting plate 1012 is movably mounted on the table 5 via a cylinder 1013, and when the workpiece 4 falls on the lower slide plate 1011, falls onto the upper lifting plate 1012 under the guiding action of the lower slide plate 1011 and is then intercepted by the lower plate 1016 on the upper lifting plate 1012; one end of the upper lifting plate 1012, which is close to the lower sliding plate 1011, is set as an inclined plane, and the inclined plane is inclined from one surface close to the lower sliding plate 1011 to the other surface; meanwhile, the holding column 1018 is installed on the working table 5 through a mounting frame 1019, the Cheng Fangzhu 1018 is located below the gap 1017, and a groove is formed in Cheng Fangzhu 1018, so that after the cylinder one 1013 is started, the workpiece 4 on the lifting plate 1012 is pushed to the gap 1017 by the cylinder one 1013, and the workpiece 4 slides to Cheng Fangzhu 1018 from the gap 1017 under the guiding action of the inclined plane.
Please refer to fig. 2 and 5, the surface roller mill assembly 103 includes a rest 1033 in the same line with Cheng Fangzhu 1018, two sides of the rest 1033 are respectively provided with a first grinding roller 1031 and a second grinding roller 1032, the first grinding roller 1031 and the second grinding roller 1032 are both mounted on the worktable 5 through a transmission device, and one side of each of the first grinding roller 1031 and the second grinding roller 1032 is provided with a resisting rod 1034, so as to ensure that the first grinding roller 1031 and the second grinding roller 1032 can always grind on the surface of the workpiece 4 to prevent from running empty, and the resisting rod 1034 is mounted on the worktable 5.
Please refer to fig. 1 and 5, wherein the transmission device includes a rotating shaft 1035, the grinding roller is mounted on the rotating shaft 1035, two ends of the rotating shaft 1035 are mounted on the worktable 5 through bearing seat assemblies, a first gear 1037 is mounted on the rotating shaft 1035, a second gear 1038 is in meshing transmission with the first gear 1037, the second gear 1038 is mounted at one end of a transmission shaft 1039, a first pulley 1036 is mounted at the other end of the transmission shaft 1039, the transmission shaft 1039 is mounted on the worktable 5 through the bearing seat assemblies, a second pulley is mounted on the motor 10310, and the first pulley 1036 and the second pulley are in belt transmission connection.
And turning on the second motor 10310, wherein the second motor 10310 can drive the first grinding roller 1031 and the second grinding roller 1032 to rotate, so that the workpieces 4 placed on the rest rack 1033 are ground.
Please refer to fig. 2, the moving device 102 includes a single-axis robot four 1021 installed on the frame body 105, a moving seat 1022 installed on the single-axis robot four 1021, a second air cylinder 1025 installed on the moving seat 1022, and a connecting seat 1026 installed on the second air cylinder 1025, wherein guide shafts 1023 are installed at two ends of a top surface of the connecting seat 1026, the guide shafts 1023 penetrate through a flange 1024 installed on the moving seat 1022, so that the connecting seat 1026 moves up and down stably, two pneumatic clamping jaws 1027 are installed at two ends of a bottom surface of the connecting seat 1026, a clamping block 1028 is movably installed on each clamping jaw of the pneumatic clamping jaws second 1027 through a bearing, and a groove is formed on the clamping block 1028; when the pneumatic clamp jaw two 1027 clamps the workpiece 4, the workpiece 4 is positioned in the slot.
When the single-shaft robot four 1021 is started, the single-shaft robot four 1021 drives the pneumatic clamping jaw two 1027 to move along the X axis; when the second air cylinder 1025 is opened, the second air cylinder 1025 drives the second pneumatic clamping jaw 1027 to move along the Z axis.
The distance between the two pneumatic clamping jaws two 1027 is equal to the distance between the automatic feed means 101 and the surface roller mill assembly 103, while the distance between the two pneumatic clamping jaws two 1027 is also equal to the distance between the surface roller mill assembly 103 and the recovery box 104.
Cylinder one 1013, single-axis robot four 1021, pneumatic gripper two 1027, cylinder two 1025 and motor two 10310 are communicatively coupled to the controller.
The controller can program the numerical control system, and the controller is used as a central control system, so that the program input and the operation control of the whole machine can be realized, and the automation of the operation process is realized. The control system can be used as a system for connecting each execution element to move according to a logic track, and the execution elements are controlled to operate according to the required operation steps through programming.
Therefore, firstly, the workpiece 4 is placed into the lower sliding plate 1011 by a manipulator or manually, after the cylinder 1013 is started, the cylinder 1013 pushes the workpiece 4 on the ascending plate 1012 to the gap 1017, the workpiece 4 falls onto the containing column 1018 from the gap 1017, then the single-shaft robot four 1021 is started, and the pneumatic clamping jaw two 1027 is adjusted to be right above the Cheng Fangzhu; then simultaneously opening a pneumatic clamping jaw II 1027 and an air cylinder II 1025 to grab the workpiece 4 on the Cheng Fangzhu 1018 onto the rest 1033; then, starting a second motor 10310, and driving the second motor 10310 to drive the grinding roller to rotate, so that the outer surface of the workpiece 4 is ground; the finished work 4 is finally picked up from the rest stand 1033 onto the recovery box 104 by the moving device 102.
Based on the above device, the first embodiment of the present invention further provides an operating method using the grinding machine for a cnc machining center, which includes the following steps:
step one, starting an automatic feeding device 101, and intermittently feeding a workpiece 4 by the automatic feeding device 101;
step two, starting the moving device 102, and transporting the workpiece 4 from the automatic feeding device 101 to the surface roller grinding assembly 103 by the moving device 102 for surface grinding;
and step three, after the surface grinding is finished, the moving device 102 transports the workpiece 4 from the surface roller grinding assembly 103 to the recovery box 104 for recovery.
Example two
As shown in fig. 6, the grinding machine for a nc machining center disclosed in the second embodiment further includes a workpiece transfer device 2 and a groove grinding machine 3, and other devices and installation methods of the second embodiment are the same as those of the first embodiment.
This embodiment is mainly to containing notched work piece 4, polishes the recess that contains in the work piece 4, can be adapted to the recess of not unidimensional simultaneously.
A groove grinder 3, a work transfer device 2, and a surface grinder 1 are sequentially installed on the table 5 in the Y-axis direction.
Please refer to fig. 6 and 7, the workpiece transfer device 2 includes a three-axis module, a connecting plate 203 mounted on the three-axis module, a first motor 206 mounted on the connecting plate 203 through a motor mounting seat 207, a driving wheel 208 mounted on the first motor 206, two ends of a rotating frame 205 movably mounted on a fixed frame 204 through a shaft matching bearing, the fixed frame 204 mounted on the connecting plate 203, an electric screw 210 mounted on the rotating frame 205, a first pneumatic clamping jaw 211 mounted on the electric screw 210, a driven wheel 209 mounted on a shaft of the rotating frame 205 near one end of the first motor 206, the driven wheel 209 connected with the driving wheel 208 through a belt transmission, wherein the electric screw 210 drives the first pneumatic clamping jaw 211 to move along the X-axis.
Therefore, when the first pneumatic gripper 211 grips the workpiece 4 and then the first motor 206 is turned on, the first motor 206 drives the driving wheel 208 to rotate, the driving wheel 208 drives the driven wheel 209 to rotate through the belt, the driven wheel 209 drives the rotating frame 205 to rotate, and accordingly the workpiece 4 on the first pneumatic gripper 211 is driven to rotate.
Triaxial module is including installing three 202 of unipolar robot on workstation 5, two 201 of unipolar robots on three 202 of installation unipolar robot, installs five 212 of unipolar robot on two 201 of unipolar robot, installs connecting plate 203 on five 212 of unipolar robot, three 202 of unipolar robot can drive connecting plate 203 and remove along the Y axle, two 201 of unipolar robot can drive connecting plate 203 and remove along the X axle, five 212 of unipolar robot can drive connecting plate 203 and remove along the Z axle.
Referring to fig. 8 and 9, the groove grinding machine 3 includes a mounting plate 301, a first single-axis robot 302 mounted on the mounting plate 301, a moving plate 303 mounted on the first single-axis robot 302, two ends of the moving plate 303 are mounted on first linear guides 304, a grinding machine 305 is mounted on the moving plate 303 through a mounting base 306, a grinding head 307 is mounted on the grinding machine 305, the second linear guides 308 are located right in front of the grinding machine 305, and the second linear guides 308 are mounted on the mounting plate 301, referring to fig. 6 and 9, a base column 309 is mounted on the second linear guides 308, a placing plate 310 is mounted on the base column 309 through a microswitch 311, and the placing plate 310 is connected with the base column 309 through a spring.
Wherein the grinding head 307 can be replaced according to the size of the groove, thereby being capable of being suitable for grinding grooves with different sizes.
The micro switch 311 is provided with a contact point 313 and an induction plate 312, and when the induction plate 312 contacts the contact point 313, the micro switch 311 transmits a signal; the placing plate 310 is mounted on the sensing plate 312.
The first air cylinder 1013, the fourth single-axis robot 1021, the second pneumatic gripper 1027, the second air cylinder 1025, the second motor 10310, the third single-axis robot 202, the second single-axis robot 201, the fifth single-axis robot 212, the first pneumatic gripper 211, the first motor 206, the first single-axis robot 302, the grinder 305, the electric lead screw 210, and the micro switch 311 are communicatively coupled to the controller.
A placing box is arranged on one side of the groove grinding machine 3 along the X-axis direction, a plurality of placing grooves are uniformly formed in the placing box, a workpiece 4 is placed in each placing groove, protrusions are formed in the placing grooves, the shape of each protrusion is matched with that of a groove in the workpiece 4, in an initial state, the groove of the workpiece 4 is placed in alignment with the protrusion, a three-axis module is started, the first pneumatic clamping jaw 211 is conveyed to the position right above the placing box through the three-axis module, after the first pneumatic clamping jaw 211 clamps the workpiece 4, the first motor 206 is started, the first motor 206 drives the workpiece 4 to rotate 90 degrees, one surface of the groove is aligned with the direction of the groove grinding machine 3, meanwhile, the three-axis module controls the workpiece 4 to move right above the placing plate 310, the three-axis module controls the workpiece 4 to move downwards until the workpiece 4 touches the placing plate 310, the placing plate 310 presses downwards to enable the sensing plate 312 to touch the contact point 313, the microswitch 311 transmits signals, the first single-axis robot 302, the electric lead screw 210 and the grinding machine 305 are started, and the module is closed, so that the grinding machine 305 polishes the groove in the workpiece 4 back and forth; after the groove is polished, the three-axis module controls to place the workpiece 4 on the lower sliding plate 1011, so that the surface polishing process in the first embodiment is performed.
Based on the above device, the second embodiment of the present invention further provides an operating method using the grinding machine for a cnc machining center, which includes the following steps:
firstly, the workpiece transfer device 2 clamps out the workpiece 4 in the placing box and moves the groove in the workpiece 4 towards the groove grinding machine 3;
step two, the groove grinding machine 3 grinds the groove in the workpiece 4;
step three, after the groove polishing process is finished, transferring the workpiece 4 to the surface grinding machine 1 through the workpiece transfer device 2;
step four, starting the automatic feeding device 101, and intermittently feeding the workpiece 4 by the automatic feeding device 101;
step five, starting the moving device 102, and conveying the workpiece 4 to the surface roller grinding assembly 103 from the automatic feeding device 101 by the moving device 102 for surface grinding;
and step six, after the surface grinding is finished, the moving device 102 transports the workpiece 4 from the surface roller grinding assembly 103 to the recovery box 104 for recovery.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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. A grinding machine for a numerical control machining center comprises a workbench (5)
It is characterized by also comprising
The groove grinding machine (3), the workpiece transfer device (2) and the surface grinding machine (1) are sequentially arranged on the workbench (5) along the Y-axis direction, a placing box is arranged on one side of the groove grinding machine (3) along the X-axis direction, a plurality of placing grooves are uniformly formed in the placing box, the workpiece (4) is placed in the placing grooves, protrusions are arranged in the placing grooves, the shapes of the protrusions are matched with those of grooves in the workpiece (4), and in an initial state, the grooves of the workpiece (4) are placed in alignment with the positions of the protrusions; the groove grinding machine (3) is used for grinding a groove in a workpiece (4), and the surface grinding machine (1) is used for grinding the outer surface of the workpiece (4);
the surface grinding machine (1) comprises an automatic feeding device (101), a surface roller grinding assembly (103) and a recovery box (104) which are sequentially arranged on a workbench (5) from left to right, and a moving device (102) is arranged on the workbench (5) through a frame body (105).
2. The grinding machine for the numerical control machining center according to claim 1, characterized in that the workpiece transfer device (2) comprises a three-axis module, a connecting plate (203) mounted on the three-axis module, a first motor (206) mounted on the connecting plate (203) through a motor mounting seat (207), a driving wheel (208) mounted on the first motor (206), two ends of a rotating frame (205) are movably mounted on a fixed frame (204) through a shaft matching bearing, the fixed frame (204) is mounted on the connecting plate (203), an electric lead screw (210) is mounted on the rotating frame (205), a first pneumatic clamping jaw (211) is mounted on the electric lead screw (210), a driven wheel (209) is mounted on a shaft of the rotating frame (205) close to one end of the first motor (206), the driven wheel (209) is connected with the driving wheel (208) through a belt transmission, and the first pneumatic clamping jaw (211) can be driven by the electric lead screw (210) to move along the X axis.
3. The grinding machine for the numerical control machining center according to claim 2, characterized in that the three-axis module comprises a three-axis robot (202) installed on the worktable (5), a two-axis robot (201) installed on the three-axis robot (202), a five-axis robot (212) installed on the two-axis robot (201), and a connecting plate (203) installed on the five-axis robot (212), wherein the three-axis robot (202) can drive the connecting plate (203) to move along the Y axis, the two-axis robot (201) can drive the connecting plate (203) to move along the X axis, and the five-axis robot (212) can drive the connecting plate (203) to move along the Z axis.
4. The grinding machine for the numerical control machining center as claimed in claim 1, characterized in that the groove grinding machine (3) comprises a mounting plate (301), a first single-axis robot (302) mounted on the mounting plate (301), a moving plate (303) mounted on the first single-axis robot (302), both ends of the moving plate (303) are mounted on first linear guides (304), a grinding machine (305) is mounted on the moving plate (303) through a mounting seat (306), a grinding head (307) is mounted on the grinding machine (305), second linear guides (308) are located right in front of the grinding machine (305), the second linear guides (308) are mounted on the mounting plate (301), a base column (309) is mounted on the second linear guides (308), a placing plate (310) is mounted on the base column (309) through a microswitch (311), and the placing plate (310) is connected with the base column (309) through a spring.
5. A grinding machine for a CNC machining center according to claim 4, characterized in that the microswitch (311) is provided with a contact point (313) and a sensing plate (312), when the sensing plate (312) contacts the contact point (313), the microswitch (311) transmits a signal; the placing plate (310) is mounted on the induction plate (312).
6. A grinding machine for a numerical control machining center according to claim 1, characterized in that the automatic feed device (101) comprises a lower slide plate (1011), the workpiece (4) is placed in the lower slide plate (1011), both sides of the lower slide plate (1011) are mounted on the table (5) by means of columns (1014), an upper plate (1015) and a lower plate (1016) are mounted on a side of the columns (1014) remote from the lower slide plate (1011), and a gap (1017) is provided between the mounting positions of the upper plate (1015) and the lower plate (1016), said gap (1017) being larger than the outer dimension of the workpiece (4), while an upper plate (1012) is located between the two columns (1014), and the upper plate (1012) is movably mounted on the table (5) by means of a cylinder one (1013), and when the workpiece (4) falls onto the lower slide plate (1011), falls onto the upper plate (1012) under the guide action of the lower slide plate (1011) and is then intercepted by the lower plate (1016) on the upper plate (1012); one end of the ascending plate (1012) close to the lower sliding plate (1011) is provided with an inclined surface, and the inclined surface is inclined downwards from one surface close to the lower sliding plate (1011) to the other surface; meanwhile, the holding column (1018) is installed on the workbench (5) through a mounting frame (1019), the Cheng Fangzhu (1018) is located below the gap (1017), and a groove is formed in Cheng Fangzhu (1018).
7. The grinding machine for the numerical control machining center according to claim 1, characterized in that the surface roller grinding assembly (103) comprises a rest stand (1033) which is collinear with Cheng Fangzhu (1018), a first grinding roller (1031) and a second grinding roller (1032) are respectively arranged on two sides of the rest stand (1033), the first grinding roller (1031) and the second grinding roller (1032) are both mounted on the workbench (5) through a transmission device, and an abutting rod (1034) is arranged on one side of each of the first grinding roller (1031) and the second grinding roller (1032).
8. The grinding machine for the numerical control machining center as claimed in claim 7, characterized in that the transmission means comprises a rotating shaft (1035), the grinding roller is mounted on the rotating shaft (1035), both ends of the rotating shaft (1035) are mounted on the worktable (5) through bearing seat assemblies, a first gear (1037) is mounted on the rotating shaft (1035), a second gear (1038) is in meshing transmission with the first gear (1037), a second gear (1038) is mounted at one end of a transmission shaft (1039), a first pulley (1036) is mounted at the other end of the transmission shaft (1039), the transmission shaft (1039) is mounted on the worktable (5) through a bearing seat assembly, a second pulley is mounted on a second motor (10310), and the first pulley (1036) and the second pulley are in transmission connection through a belt.
9. The grinding machine for the numerical control machining center according to claim 1, characterized in that the moving device (102) comprises a single-shaft robot four (1021) installed on the frame body (105), a moving seat (1022) installed on the single-shaft robot four (1021), a cylinder two (1025) installed on the moving seat (1022), and a connecting seat (1026) installed on the cylinder two (1025), wherein guide shafts (1023) are installed at two ends of the top surface of the connecting seat (1026), the guide shafts (1023) penetrate through flanges (1024) installed on the moving seat (1022), so that the connecting seat (1026) can stably move up and down, pneumatic clamping jaw two (1027) are installed at two ends of the bottom surface of the connecting seat (1026), a clamping block (1028) is movably installed on each clamping jaw of the pneumatic clamping jaw two (1027) through a bearing, and a groove is formed in the clamping block (1028).
10. A method of operating a grinding machine for a machining center using a numerical control according to claim 1, comprising the steps of:
s1, a workpiece transfer device (2) clamps out a workpiece (4) in a placing box, and moves a groove in the workpiece (4) towards the direction of a groove grinding machine (3);
s2, polishing the groove in the workpiece (4) by the groove grinding machine (3);
s3, after the groove polishing process is finished, transferring the workpiece (4) to the surface grinding machine (1) through the workpiece transfer device (2);
s4, starting the automatic feeding device (101), and intermittently feeding the workpiece (4) by the automatic feeding device (101);
s5, starting the moving device (102), and conveying the workpiece (4) to the surface roller grinding assembly (103) from the automatic feeding device (101) by the moving device (102) for surface grinding;
s6, after the surface grinding is finished, the workpiece (4) is transported to a recovery box (104) from the surface roller grinding assembly (103) by the moving device (102) to be recovered.
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| JP2010042482A (en) * | 2008-08-14 | 2010-02-25 | Mori Seiki Co Ltd | Cylindrical grinding machine and screw grinding machine |
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