CN114378339A - Automatic change polyhedron triaxial machining center - Google Patents
Automatic change polyhedron triaxial machining center Download PDFInfo
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- CN114378339A CN114378339A CN202111640103.0A CN202111640103A CN114378339A CN 114378339 A CN114378339 A CN 114378339A CN 202111640103 A CN202111640103 A CN 202111640103A CN 114378339 A CN114378339 A CN 114378339A
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- side milling
- machining center
- tool
- polyhedral
- main shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
Abstract
The invention discloses an automatic polyhedral triaxial machining center which comprises a rack, a moving table, a workbench, a tool magazine, a switching fixing device and a side milling device, wherein the moving table is arranged on the rack and can move relative to the workbench, the workbench is used for fixing a workpiece to be machined, a tool is arranged in the tool magazine, the moving table comprises a vertical sliding frame and a main shaft which are vertically arranged, the main shaft is arranged on the vertical sliding frame, the main shaft can automatically fix the tool and can drive the tool to rotate, the switching fixing device comprises a connecting mechanism, the side milling device can be connected to the bottom of the vertical sliding frame through the connecting mechanism, the side milling device is arranged on the workbench, and the side milling device is provided with a connecting part, a transmission part and a side milling part. By adopting the invention, the top and the side of the workpiece can be automatically processed, the effects of one-time clamping and multi-surface processing are realized, the processing efficiency can be improved, and the use reliability is high.
Description
Technical Field
The invention relates to the technical field of processing equipment, in particular to an automatic polyhedral triaxial processing center.
Background
The machining center is an automatic numerical control machine tool, the machining center can be divided into a vertical machining center and a horizontal machining center according to different arrangement directions of a main shaft, the vertical machining center is a machining center with the axis of the main shaft perpendicular to a workbench, the comprehensive machining capacity of the vertical machining center is high, after a workpiece is clamped, a numerical control system can control the machine tool to continuously complete various procedures such as drilling, boring, milling, reaming, tapping and the like, the conventional vertical three-axis machining center only has the capacity of moving and machining in the x axis, the y axis and the z axis, so that the upper surface of the workpiece can be easily machined, the side part of the workpiece can be simply cut, but the main shaft mainly moves in the x axis, the y axis and the z axis, and a cutter is difficult to control to move and apply large torque to the side part of the workpiece, so that the conventional vertical three-axis machining center is difficult to perform complex processes such as heavy cutting, boring and the like on the side part of the workpiece, The machining process has the advantages that the multiple side faces of the workpiece can be machined only by repeatedly clamping the workpiece and changing the machining face of the workpiece through fine operation, so that the operations of workpiece clamping, measurement, machine tool adjustment and the like are increased, the machining time is prolonged, and the overall machining efficiency is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic polyhedral triaxial machining center, which can automatically machine the top and the side of a workpiece, realize the effect of one-time clamping and multi-surface machining and improve the machining efficiency.
In order to solve the technical problems, the invention provides an automatic polyhedral three-axis machining center, which comprises a rack, a movable table, a workbench and a tool magazine, wherein the movable table is arranged on the rack and can move relative to the workbench; the moving table comprises a vertical sliding frame and a main shaft, the vertical sliding frame and the main shaft are vertically arranged, the main shaft is arranged on the vertical sliding frame, and the main shaft can automatically fix the cutter and drive the cutter to rotate.
The automatic polyhedral three-axis machining center further comprises a switching fixing device and a side milling device, the switching fixing device comprises a connecting mechanism, the side milling device can be connected to the bottom of the longitudinal sliding frame through the connecting mechanism, the side milling device is arranged on the workbench, the side milling device is provided with a connecting portion, a transmission portion and a side milling portion, the connecting portion is perpendicular to the axis of the side milling portion, the side milling portion can be horizontally connected with the cutter, the spindle can be connected with the connecting portion, the connecting portion can be connected with the side milling portion in a transmission mode, the spindle can drive the transmission portion to drive the cutter of the side milling portion to process the side portion of a workpiece, or drive the whole side milling device to rotate horizontally.
As an improvement of the above scheme, the connecting mechanism includes a connecting plate, a driving member and a pulling claw, the connecting plate is disposed at the bottom of the longitudinal sliding frame, a vertically-arranged mounting hole is formed in the connecting plate, the driving member is fixed in the mounting hole, the pulling claw is connected to the movable end of the driving member, and the driving member can drive the pulling claw to perform reciprocating movement in the mounting hole.
As an improvement of the above scheme, the connecting mechanism further comprises a first clamping convex block, the first clamping convex block is arranged at the top of the connecting part, the first clamping convex block is arranged upwards, the first clamping convex block corresponds to the position of the pull claw, the pull claw can be buckled when moving upwards, the first clamping convex block forms a fixed connection with the first clamping convex block, and the pull claw can enable the first clamping convex block to be kept away from downwards when moving downwards, or can be loosened to disconnect the first clamping convex block.
As an improvement of the above scheme, switching fixing device still includes end tooth positioning mechanism, end tooth positioning mechanism is including being fixed in the first end fluted disc of connecting plate bottom, and be fixed in the second end fluted disc on connecting portion upper portion, first end fluted disc with all be equipped with circumference evenly distributed on the second end fluted disc and can correspond the location tooth that meshes each other, first screens lug with when drawing the claw to form fixed connection, first end fluted disc with second end fluted disc intermeshing, first screens lug is kept away from downwards when drawing the claw, first end fluted disc with second end fluted disc separates each other.
As an improvement of the above scheme, a connecting end and a side milling end, which are respectively located on the connecting portion and the side milling portion, are arranged in the transmission portion, the connecting end is in transmission connection with the side milling end, the connecting end can be connected with the main shaft, the side milling end can be connected with the cutter, and when the first end fluted disc and the second end fluted disc are meshed with each other, the connecting end can rotate relative to the connecting portion when the main shaft rotates.
As an improvement of the above scheme, a cutter driving groove is formed in the outer edge of the cutter, a side milling driving lug is arranged at the end of the side milling end and can be clamped into the cutter driving groove, so that the side milling end is in transmission connection with the cutter.
As an improvement of the above scheme, a spindle driving protrusion is arranged at the bottom of the spindle, a side milling driving groove is arranged at the outer edge of the connecting end, the spindle driving protrusion can be clamped into the tool driving groove to enable the spindle to directly drive the tool to rotate, or the spindle driving protrusion can be clamped into the side milling driving groove to enable the spindle to drive the tool to rotate through the transmission part.
As the improvement of above-mentioned scheme, automatic polyhedron triaxial machining center still includes protector, protector includes interconnect's peripheral board and center plate, center plate locates the middle part of peripheral board, center plate middle part is equipped with dodges the hole, it is used for dodging to dodge the hole the main shaft with the cutter, peripheral board with center plate can cover the surface of first end fluted disc, peripheral board with center plate is used for separating the miscellaneous bits that keep off the splash.
As an improvement of the above scheme, the peripheral plate is provided with a second clamping projection which is arranged upwards, the second clamping projection corresponds to the position of the pull claw, the pull claw can buckle the second clamping projection when moving upwards and form a fixed connection with the second clamping projection, and the pull claw can loosen the second clamping projection when moving downwards so as to disconnect the connection.
As an improvement of the above scheme, the side milling device and the protection device are located on the same side of the workbench, the tool magazine is located on one side of the workbench far away from the side milling device and the protection device, and the moving table can move among the tool magazine, the side milling device and the protection device.
The implementation of the invention has the following beneficial effects:
the automatic polyhedron triaxial machining center is provided with a moving table, a workbench, a tool magazine, a switching fixing device and a side milling device, wherein the moving table can move in an x axis, a y axis and a z axis in a triaxial mode, a workpiece is clamped on the workbench, a spindle is arranged on the moving table, when the top of the workpiece is machined normally, the spindle can automatically fix a tool in the tool magazine, and the tool is rotated to vertically rotate, so that the top of the workpiece is machined. When the side part of a workpiece needs to be machined, the main shaft can automatically dismount the cutter, then the main shaft moves to the position above the side milling device, the connecting part of the side milling device is connected with the main shaft through the connecting mechanism of the switching fixing device, the side milling device is further provided with a transmission part and a side milling part, the side milling part can be horizontally connected with the cutter, the transmission part can transmit the torque of the main shaft, and therefore when the main shaft rotates, the cutter can horizontally rotate, and the side surface of the workpiece can be machined. When other side surfaces need to be machined, the main shaft can drive the whole side milling device to horizontally rotate, so that the horizontal direction of the cutter is changed, and a plurality of different side surfaces can be machined. Therefore, the automatic polyhedral three-axis machining center can automatically machine the top and the side of the workpiece, realizes the effect of one-time clamping and multi-surface machining, and can obviously improve the machining efficiency.
Drawings
FIG. 1 is a schematic diagram of the construction of an automated polyhedral three-axis machining center of the present invention;
FIG. 2 is a schematic diagram of a first view of a mobile station according to the present invention;
FIG. 3 is a schematic diagram of a second perspective of the mobile station of the present invention;
FIG. 4 is a schematic structural view of the side milling apparatus of the present invention;
FIG. 5 is a schematic cross-sectional view of the mobile station after switching to the side milling apparatus according to the present invention;
FIG. 6 is a schematic view of the construction of the side milling unit and guard of the present invention;
fig. 7 is a schematic view of the structure of the cutter of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
Referring to fig. 1, 2 and 3, an embodiment of the present invention discloses an automatic polyhedral three-axis machining center, which includes a frame 7, a moving table 4, a workbench 6 and a tool magazine 5, wherein the moving table 4 is disposed on the frame 7 and can move on the workbench 6, specifically can move in the x-axis and y-axis directions, the workbench 6 is used for fixing a workpiece to be machined, a tool 51 is disposed in the tool magazine 5, and the tool magazine 5 is disposed on one side of the automatic polyhedral three-axis machining center. The moving table 4 includes a vertical carriage 41 and a spindle 42, the spindle 42 is disposed on the vertical carriage 41, the spindle 42 is movable along a z-axis, the spindle 42 is movable along the moving table 4, and is movable to a position where the tool magazine 5 is located to automatically fix the tool 51, so that the tool 51 is movable along the x-axis, the y-axis, and the z-axis, the spindle 42 is capable of applying a torque to the tool 51 to drive the tool 51 to rotate, and the tool 51 can machine a workpiece when rotating.
In order to realize the side machining of a workpiece, the automatic polyhedral triaxial machining center further comprises a switching fixing device 1 and a side milling device 2, when the side of the workpiece needs to be machined, the tool 51 needs to be detached, then the side milling device 2 is switched, and then the tool 51 is installed, the switching fixing device 1 is used for enabling the side milling device 2 to be switched to the spindle 42 for normal use, specifically, the switching fixing device 1 comprises a connecting mechanism 11, the side milling device 2 can be connected to the bottom of the longitudinal carriage 41 through the connecting mechanism 11, the side milling device 2 is arranged on the workbench 6, and the longitudinal carriage 41 can move to the position of the side milling device 2 along with the moving table 4 and is connected with the side milling device 2 through the connecting mechanism 11.
Referring to fig. 4, the side milling device 2 is provided with a connecting portion 21, a transmission portion 22 and a side milling portion 23, a part of the connecting portion 21 is fixedly connected with the longitudinal carriage 41 to pull up the side milling device 2, a part of the connecting portion 21 is in transmission connection with the main spindle 42 to enable the main spindle 42 to control the side milling portion 23, the side milling portion 23 is horizontally connected with the tool 51, the connecting portion 21 is in transmission connection with the side milling portion 23 through the transmission portion 22 to transmit torque of the main spindle 42 to the tool 51, the connecting portion 21 is perpendicular to the axis of the side milling portion 23, so that when the main spindle 42 is connected, the transmission portion 22 can vertically turn the rotation direction of the main spindle 42, so that the main spindle 42 can laterally output, and therefore the main spindle 42 can separately drive the tool 51 of the side milling portion 23 through the transmission portion 22 to perform cutting and heavy cutting on the side of a workpiece, Boring and other machining operations. When other side surfaces need to be machined, the main shaft 42 can drive the whole side milling device 2 to horizontally rotate, so that the orientation of the side milling part 23 is changed, the orientation of the tool 51 is further changed, the tool 51 can machine the side surfaces of the workpiece at other angles, and the effect of machining a plurality of side surfaces is achieved.
The embodiment of the invention has the following beneficial effects:
the automatic polyhedron triaxial machining center is provided with a moving table 4, a workbench 6, a tool magazine 5, a switching fixing device 1 and a side milling device 2, wherein the moving table 4 can move in three axes of an x axis, a y axis and a z axis, a workpiece is clamped on the workbench 6, a spindle 42 is arranged on the moving table 4, when the top of the workpiece is machined normally, the spindle 42 can automatically fix a tool 51 in the tool magazine 5, and the tool 51 is rotated vertically, so that the top of the workpiece is machined. When the side part of the workpiece needs to be machined, the main shaft 42 can automatically remove the tool 51, then move to the position above the side milling device 2, and use the connecting mechanism 11 of the switching fixing device 1 to connect the connecting part 21 of the side milling device 2 with the main shaft 42, the side milling device 2 is further provided with a transmission part 22 and a side milling part 23, the side milling part 23 can be horizontally connected with the tool 51, the transmission part 22 can transmit the torque of the main shaft 42, so that when the main shaft 42 rotates, the tool 51 can be horizontally rotated, and the side surface of the workpiece can be machined. When other sides need to be machined, the main shaft 42 can drive the whole side milling device 2 to horizontally rotate, so that the horizontal orientation of the tool 51 is changed, and a plurality of different sides can be machined. Therefore, the automatic polyhedral three-axis machining center can automatically machine the top and the side of the workpiece, realizes the effect of one-time clamping and multi-surface machining, and can obviously improve the machining efficiency.
Specifically, referring to fig. 5, the connecting mechanism 11 includes a connecting plate 111, a driving member 112 and a pulling claw 113, the connecting plate 111 is disposed at the bottom of the longitudinal carriage 41, a vertically disposed mounting hole 114 is disposed on the connecting plate 111, the driving member 112 is fixed in the mounting hole 114, the driving member 112 is preferably a hydraulic cylinder, and may also be a cylinder with a reciprocating linear motion characteristic, a linear motor, or the like. The pulling claw 113 is connected to a movable end of the driving member 112, the driving member 112 can drive the pulling claw 113 to reciprocate in the mounting hole 114, and the pulling claw 113 is preferably a component with the characteristic of controlling the gripping force with the change of tightness, which is commonly used in the field of existing processing equipment. The pull tab 113 is used to connect the connecting mechanism 11 to the longitudinal carriage 41. Further, the connecting mechanism 11 further includes a first locking protrusion 115, the first locking protrusion 115 is disposed on the top of the connecting portion 21, the first locking protrusion 115 is disposed upward, the position of the first locking protrusion 115 corresponds to that of the pull claw 113, when the side milling apparatus 2 needs to be switched, the driving member 112 drives the pull claw 113 to move downward, so that the pull claw 113 is released to be locked into the first locking protrusion 115, and then the driving member 112 drives the pull claw 113 to move upward, and the pull claw 113 can lock the first locking protrusion 115 and form a fixed connection with the first locking protrusion 115 when moving upward, so as to complete the fixed connection between the connecting portion 21 and the longitudinal carriage 41. After the machining is completed, the side milling device 2 needs to be dismounted, at this time, the driving element 112 drives the pulling claw 113 to move downwards, according to the difference of the stroke of the downward movement, when the stroke is short, the pulling claw 113 can enable the first clamping convex block 115 to be away from the pulling claw 113 downwards when moving downwards, at this time, the first clamping convex block 115 is not completely separated from the pulling claw 113, the side milling device 2 is further connected to the longitudinal carriage 41, when the stroke is long, the pulling claw 113 can release the first clamping convex block 115 to be disconnected, the first clamping convex block 115 is completely separated from the pulling claw 113, and the side milling device 2 is completely separated from the longitudinal carriage 41 to dismount the side milling device 2. In this embodiment, the tool 51 may be mounted on the side milling apparatus 2 by a manual clamping method, or the tool 51 may be automatically clamped on the side milling apparatus 2 by using a dedicated clamping tool.
In order to accurately position and fix the switching of the side milling device 2, the switching fixing device 1 further includes an end-tooth positioning mechanism 12, the end-tooth positioning mechanism 12 includes a first end-tooth disc 121 fixed to the bottom of the connecting plate 111 and a second end-tooth disc 122 fixed to the upper portion of the connecting portion 21, the first end-tooth disc 121 and the second end-tooth disc 122 are respectively provided with positioning teeth which are uniformly distributed in the circumferential direction and can be engaged with each other correspondingly, when the first end-tooth disc 121 and the second end-tooth disc 122 are engaged with each other, the positioning teeth can be used to adjust the angle and the coaxiality of the engagement, when the connecting plate 111 is connected to the connecting portion 21, the first locking protrusion 115 is fixedly connected to the pulling claw 113, the first end-tooth disc 121 and the second end-tooth disc 122 are engaged with each other, and when the connecting plate 111 needs to be separated from the connecting portion 21, when the first locking protrusion 115 moves downward away from the pull pawl 113, the first end-toothed disc 121 and the second end-toothed disc 122 are separated from each other. The transmission part 22 is provided with a connecting end 221 and a side milling end 222 respectively located at the connecting part 21 and the side milling part 23, the connecting end 221 and the side milling end 222 form a transmission connection, the connecting end 221 can be connected with the main shaft 42, and the side milling end 222 can be connected with the tool 51, so that the torque of the main shaft 42 can be vertically transmitted to the tool 51 of the side milling end 222.
Since the first end-toothed disc 121 is fixed to the connecting plate 111 and the second end-toothed disc 122 is fixed to the connecting portion 21, when the first end-toothed disc 121 and the second end-toothed disc 122 are engaged with each other, the first end-toothed disc 121 limits the movement of the second end-toothed disc 122, so that the entire side milling apparatus 2 cannot rotate relative to the longitudinal carriage 41, and at this time, if the main shaft 42 starts to transmit torque, the connecting end 221 starts to rotate, and thus rotates relative to the connecting portion 21. The rotation process of the side milling end 222 is also a process of the relative rotation between the connection end 221 and the connection portion 21.
When other angles need to be converted to process other sides of the workpiece, the main shaft 42 stops rotating, the driving member 112 drives the pulling claw 113 to move downward by a short stroke, so that the first end-toothed disc 121 and the second end-toothed disc 122 are separated, at this time, the first clamping bump 115 is not completely separated from the pulling claw 113, the side milling device 2 is further connected to the longitudinal carriage 41, the main shaft 42 is rotated after the first end-toothed disc 121 and the second end-toothed disc 122 are separated, because the first end-toothed disc 121 cannot limit the second end-toothed disc 122, the whole side milling device 2 rotates along with the main shaft 42, the rotation angle is controlled by a main control program, the rotation angle is an integral multiple of a tooth pitch angle of the first end-toothed disc 121 and the second end-toothed disc 122, and after the rotation is completed, the driving member 112 drives the pulling claw 113 to move upward, the pull claw 113 buckles the first clamping protrusion 115 and forms a fixed connection with the first clamping protrusion 115, at this time, the first end-toothed disc 121 and the second end-toothed disc 122 can be meshed again, the first end-toothed disc 121 can limit the second end-toothed disc 122 again, so that when the main shaft 42 rotates, the connecting end 221 can rotate relative to the connecting portion 21, and the side milling device 2 can normally operate. By using the first end-toothed disc 121 and the second end-toothed disc 122, not only can the normal connection between the side milling device 2 and the main shaft 42 be realized, but also the swinging direction of the side milling device 2 can be realized through separation and engagement, so as to realize the processing of multiple side surfaces of a workpiece.
Referring to fig. 7, in order to realize transmission, the outer edge of the tool 51 is provided with a tool driving groove 511, the end of the side milling end 222 is provided with a side milling driving lug 231, the side milling driving lug 231 can be clamped into the tool driving groove 511, so that the side milling end 222 is in transmission connection with the tool 51, and the torque of the spindle 42 can be transmitted to the tool 51. In addition, the bottom of main shaft 42 is equipped with main shaft drive lug 421, the outer edge of link 221 is equipped with side milling drive groove 223, and when the top of normally processing the work piece, main shaft drive lug 421 can block into make in the cutter drive groove 511 main shaft 42 can directly drive cutter 51 rotates, and then processes the top of work piece, and when processing the lateral part of work piece, main shaft drive lug 421 can block make in the side milling drive groove 223 main shaft 42 can pass through the drive of transmission portion 22 the cutter 51 rotates to the lateral part of transmission moment of torsion is processed the work piece.
Referring to fig. 6, since the material of the work piece to be cut is changed into the miscellaneous debris to be scattered all over when the top of the work piece is normally processed, to ensure that the surface of first end-toothed disc 121 is clean, for accurate engagement with second end-toothed disc 122, the automatic polyhedral triaxial machining center further comprises a guard 3, the guard 3 comprises a peripheral plate 31 and a central plate 32 which are connected with each other, the central plate 32 is arranged in the middle of the peripheral plate 31, the middle of the central plate 32 is provided with a relief hole 321, the main shaft 42 and the tool 51 can pass through the avoidance hole 321, the avoidance hole 321 is used for avoiding the main shaft 42 and the tool 51, meanwhile, the peripheral plate 31 and the central plate 32 can cover the surface of the first end-toothed disc 121, and can block splashed sundries, so that the engageability of the surface of the first end-toothed disc 121 is ensured.
Specifically, the peripheral plate 31 is provided with a second clamping projection 311 which is arranged upwards, the second clamping projection 311 corresponds to the position of the pull claw 113, the pull claw 113 can buckle the second clamping projection 311 when moving upwards and form a fixed connection with the second clamping projection 311, and the pull claw 113 can release the second clamping projection 311 when moving downwards to disconnect the connection. Before processing the workpiece, the moving stage 4 moves to the position of the protection device 3, then the moving stage 4 drives the connecting plate 111 to approach the protection device 3, so that the pulling claw 113 is buckled into the second blocking projection 311, then the pulling claw 113 is driven to move upwards to form a fixed connection with the second blocking projection 311, and the protection device 3 is connected with the connecting plate 111. During the machining process, the protective device 3 can block the sundry chips generated during the machining process, and provide protection for the first end toothed disc 121. When the side part of the workpiece needs to be machined, the moving table 4 is firstly driven to move to the position of the protection device 3 again, the driving element 112 drives the pulling claw 113 to move downwards, the pulling claw 113 releases the second clamping bump 311, and then the protection device 3 is separated from the connecting plate 111, then the moving table 4 moves to the position of the side milling device 2, the connecting plate 111 descends to enable the pulling claw 113 to be buckled into the first clamping bump 115, so that the side milling device 2 is pulled up, then the moving table 4 carries the side milling device 2 back to the upper part of the workpiece, and then the main shaft 42 is driven to machine the side part of the workpiece.
Referring to fig. 1, in order to facilitate the switching of the side milling device 2 after the protection device 3 is put down, the side milling device 2 and the protection device 3 are located on the same side of the workbench 6, the tool magazine 5 is located on a side of the workbench 6 far away from the side milling device 2 and the protection device 3, and the moving table 4 can move among the tool magazine 5, the side milling device 2 and the protection device 3, so that a tool 51 in the tool magazine 5 can be automatically clamped, and the side milling device 2 or the protection device 3 can be clamped when the moving table moves to the positions of the side milling device 2 and the protection device 3.
The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are also considered to be within the scope of the invention.
Claims (10)
1. An automatic polyhedral three-axis machining center is characterized by comprising a rack, a movable table, a workbench and a tool magazine, wherein the movable table is arranged on the rack and can move relative to the workbench; the moving table comprises a vertical sliding frame and a main shaft, the vertical sliding frame and the main shaft are vertically arranged, the main shaft is arranged on the vertical sliding frame, and the main shaft can automatically fix the cutter and drive the cutter to rotate;
the automatic polyhedral three-axis machining center further comprises a switching fixing device and a side milling device, the switching fixing device comprises a connecting mechanism, the side milling device can be connected to the bottom of the longitudinal sliding frame through the connecting mechanism, the side milling device is arranged on the workbench, the side milling device is provided with a connecting portion, a transmission portion and a side milling portion, the connecting portion is perpendicular to the axis of the side milling portion, the side milling portion can be horizontally connected with the cutter, the spindle can be connected with the connecting portion, the connecting portion can be connected with the side milling portion in a transmission mode, the spindle can drive the transmission portion to drive the cutter of the side milling portion to process the side portion of a workpiece, or drive the whole side milling device to rotate horizontally.
2. The automated polyhedral triaxial machining center according to claim 1, wherein the connecting mechanism comprises a connecting plate, a driving member and a pulling claw, the connecting plate is disposed at the bottom of the longitudinal carriage, a vertically disposed mounting hole is formed in the connecting plate, the driving member is fixed in the mounting hole, the pulling claw is connected to a movable end of the driving member, and the driving member can drive the pulling claw to reciprocate in the mounting hole.
3. The automated polyhedral triaxial machining center according to claim 2, wherein the connecting mechanism further comprises a first clamping protrusion, the first clamping protrusion is disposed at the top of the connecting portion, the first clamping protrusion is disposed upward, the first clamping protrusion corresponds to the position of the pull claw, the pull claw can catch the first clamping protrusion when moving upward and form a fixed connection with the first clamping protrusion, and the pull claw can make the first clamping protrusion be away from the pull claw downward or can release the first clamping protrusion for disconnection when moving downward.
4. The automated polyhedral triaxial machining center according to claim 3, wherein the switching fixture further comprises an end tooth positioning mechanism, the end tooth positioning mechanism comprises a first end tooth disk fixed to the bottom of the connecting plate and a second end tooth disk fixed to the upper portion of the connecting portion, the first end tooth disk and the second end tooth disk are respectively provided with positioning teeth which are uniformly distributed in the circumferential direction and can be engaged with each other correspondingly, when the first clamping protrusion is fixedly connected to the pull claw, the first end tooth disk and the second end tooth disk are engaged with each other, and when the first clamping protrusion is away from the pull claw downwards, the first end tooth disk and the second end tooth disk are separated from each other.
5. The automated polyhedral triaxial machining center according to claim 4, wherein a connecting end and a side milling end respectively located at the connecting portion and the side milling portion are disposed in the transmission portion, the connecting end is in transmission connection with the side milling portion, the connecting end can be connected with the main shaft, the side milling end can be connected with the tool, and when the main shaft rotates after the first end fluted disc and the second end fluted disc are meshed with each other, the connecting end can rotate relative to the connecting portion.
6. An automated polyhedral triaxial machining center according to claim 5, wherein the outer edge of the cutter is provided with a cutter driving groove, and the end of the side milling end is provided with a side milling driving protrusion, and the side milling driving protrusion can be clamped into the cutter driving groove, so that the side milling end and the cutter form a transmission connection.
7. An automatic polyhedral triaxial machining center according to claim 6, wherein a spindle driving protrusion is disposed at the bottom of the spindle, a side milling driving groove is disposed at an outer edge of the connecting end, the spindle driving protrusion can be clamped into the tool driving groove so that the spindle can directly drive the tool to rotate, or the spindle driving protrusion can be clamped into the side milling driving groove so that the spindle can drive the tool to rotate through the transmission portion.
8. The automated polyhedral tri-axial machining center according to claim 1, further comprising a guard device, the guard device comprising a peripheral plate and a central plate connected to each other, the central plate being disposed in the middle of the peripheral plate, an avoidance hole being disposed in the middle of the central plate, the avoidance hole being used for avoiding the spindle and the tool, the peripheral plate and the central plate being capable of covering the surface of the first end-toothed disk, the peripheral plate and the central plate being used for blocking splashed debris.
9. An automated polyhedral triaxial machining center according to claim 8, wherein the peripheral plate is provided with a second upwardly-disposed locking projection corresponding to a position of the pulling claw, the pulling claw is capable of catching the second locking projection and forming a fixed connection with the second locking projection when moving upward, and the pulling claw is capable of releasing the second locking projection to disconnect when moving downward.
10. An automated polyhedral triaxial machining center according to claim 8, wherein the side milling device and the guard are located on the same side of the table, the magazine is located on a side of the table remote from the side milling device and the guard, and the moving table is movable between the magazine, the side milling device and the guard.
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| CN202111640103.0A CN114378339A (en) | 2021-12-29 | 2021-12-29 | Automatic change polyhedron triaxial machining center |
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| CN202111640103.0A CN114378339A (en) | 2021-12-29 | 2021-12-29 | Automatic change polyhedron triaxial machining center |
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