CN110587348A - Automatic tool changing assembly of numerical control machine tool - Google Patents
Automatic tool changing assembly of numerical control machine tool Download PDFInfo
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- CN110587348A CN110587348A CN201910945989.6A CN201910945989A CN110587348A CN 110587348 A CN110587348 A CN 110587348A CN 201910945989 A CN201910945989 A CN 201910945989A CN 110587348 A CN110587348 A CN 110587348A
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- rotating
- groove
- block
- rotating ring
- tool
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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
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
Abstract
The invention provides an automatic tool changing assembly of a numerical control machine, which comprises an annular tool rest (310), a feeding driving mechanism (330), a rotary tool changing mechanism (320) and a translation driving mechanism (340), wherein the tool rest (310) comprises a rotating ring (311) coaxially arranged with a rotating axis, a convex block (312) is arranged on the outer circular surface of the rotating ring (311), a rectangular mounting groove (313) is formed in one end surface of the convex block (312), a sliding groove (314 a) and a sliding block (314 b) which form sliding guide fit are arranged on the mounting groove (313), a dovetail groove (315) penetrating to the other end surface of the sliding block (314 b) is formed in one end surface of the sliding block (314 b) along the length direction of the sliding block, wedge-shaped clamping blocks (316) are movably attached to the side wall of the dovetail groove (315) along the width direction of the sliding block (314 b), one end surface of the two clamping blocks (316) close to each other, the turning tool (317) is detachably clamped between the two clamping planes (316 b).
Description
Technical Field
The invention relates to a lathe, in particular to an automatic tool changing assembly of a numerical control machine tool.
Background
The lathe is the lathe that mainly carries out lathe work with lathe tool pair pivoted work piece, is often used for the interior outer surface of gyration, terminal surface and various internal and external screw thread of processing work piece, adopts corresponding cutter and annex, and at present, the lathe tool of center lathe mainly includes rotatable knife rest and can dismantle the cutter of clamping on the knife rest, follows through the revolving tool rest and trades different lathe tool cutters to accomplish corresponding turning, the knife rest sets up on the lathe bed and lies in one side of revolving axial lead, its shortcoming lies in: when a plurality of types of turning processing needs to be carried out on a processing workpiece, a spindle motor needs to be stopped to rotate, then a tool rest is rotated to replace different turning tool tools, a spindle is started to drive the processing workpiece to rotate, time and labor are wasted, and the processing efficiency of the workpiece is greatly reduced.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide the annular turning tool component of the numerical control lathe, which has the advantages of ingenious structure, simple principle and capability of conveniently and quickly replacing different turning tools to carry out different turning treatments on a workpiece to be machined.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
An automatic tool changing assembly of a numerical control machine tool comprises an annular tool rest (310) used for detachably mounting a turning tool (317), a feeding driving mechanism (330), a rotary tool changing mechanism (320) and a translation driving mechanism (340), wherein the tool rest (310) comprises a rotating ring (311) coaxially arranged with a rotating shaft center line, the outer circular surface of the rotating ring (311) is fixedly provided with eight rectangular convex blocks (312) which are fixedly connected into a whole, the length direction of the convex blocks (312) is arranged along the radial direction of the rotating ring (311), the width direction of the convex blocks is parallel to the tangential direction of the circumference where the rotating ring (311) is located, the convex blocks (312) are arranged in an array manner along the circumferential direction where the rotating ring (311) is located, one end surface of each convex block (312) is provided with a rectangular mounting groove (313), one end of each mounting groove (313) penetrates through to the suspension end of each convex block (312), a sliding groove (314 a) is formed in the side wall of the mounting groove (313) along the width direction of the mounting groove, a rectangular sliding block (314 b) matched with the sliding groove is arranged in the mounting groove (313), the sliding block (314 b) and the sliding groove (314 a) form sliding guide fit along the radial direction of the rotating ring (311), a dovetail groove (315) penetrating to the other end face of the sliding block (314 b) is formed in one end face of the sliding block (314 b) along the length direction of the sliding block, a wedge-shaped clamping block (316) is movably attached to the side wall of the dovetail groove (315) along the width direction of the sliding block (314 b), the clamping block (316) and the dovetail groove (315) form sliding guide fit along the width direction of the sliding block (314 b), one end face close to each other of the two clamping blocks (316) is a clamping plane (316 b) parallel to the length direction of the sliding block (314 b), one end face far away from each other is a pressing inclined plane (316 a) parallel to the side, the turning tool (317) is detachably clamped between the two clamping planes (316 b), a tool bit of the turning tool (317) extends into the inner circular surface of the rotating ring (311), and the turning tool (317) is clamped through the clamping planes (316 b);
the end face of the sliding block (314 b) is provided with compression bolts (318) which are in threaded connection and matching with the sliding block, the axial direction of each compression bolt (318) is parallel to the axial direction of the rotating ring (311), the compression bolts (318) are aligned with the compression inclined plane (316 b), the compression bolts (318) are provided with four compression bolts (318) and are arranged in an array mode along the length direction of the sliding block (314 b), four compression bolts (318) form bolt groups, and the two bolt groups are arranged and are arranged in one-to-one correspondence with the clamping blocks (316);
an installation protrusion (314 c) is fixedly arranged at one end, close to the inner circular surface of the rotating ring (311), of the groove bottom of the installation groove (313), an installation protrusion (314 c) is fixedly arranged at one end, close to one end surface of the installation groove (313), of the sliding block (314 b) along an avoidance sliding groove (314 d) matched with the installation protrusion (314 c), the sliding groove (314 d) penetrates through the sliding block (314 b) from the middle position of the sliding block (314 b) in the length direction to one end surface, close to the axial line of the rotating ring (311), the avoidance sliding groove (314 d) and the installation protrusion (314 c) form sliding guide fit in the radial direction of the rotating ring (311), a limiting plate used for blocking the installation groove (313) is fixedly arranged at an opening at one end, away from the axial line of the rotating ring (311), a feeding screw rod (319 a) axially arranged in the radial direction of the rotating ring (311) is arranged in the, The other end of the feeding screw rod (319 a) penetrates through the sliding block (314 b) to be in rotating connection and matching with the limiting plate, the end is a driving end, the feeding screw rod (319 a) and the sliding block (314 b) form threaded connection and matching, a rectangular transmission block (319 b) is fixedly arranged at the driving end of the feeding screw rod (319 a), the length direction of the transmission block (319 b) is parallel to the tangential direction of the circumference where the rotating ring (311) is located, and the width direction of the transmission block is arranged along the radial direction of the rotating ring (311).
As a further optimization or improvement of the present solution.
The feed driving mechanism (330) is used for driving the transmission block (319B) to rotate around the radial direction of the rotating ring (311), the turning tools (317) can be divided into an A1A2 combination, a B1B2 combination, a C1C2 combination and a D1D2 combination which are oppositely arranged along the radial direction of the rotating ring (311), the transmission block (319B) in the A1A2 combination is combined with the output end of the feed driving mechanism (330) in an initial state, the transmission block (319B) in the B1B2 combination, the C1C2 combination and the D1D2 combination is separated from the output end of the feed driving mechanism (330), the turning tool (317) combined with the output end of the feed driving mechanism (330) is in a working in-position state, the turning tool (317) separated from the output end of the feed driving mechanism (330) is in an idle state, the rotating mechanism (320) is used for driving the rotating ring (311) to rotate around the axis of itself and enabling the tool changing block (319B) in the A1A2 combination and the transmission block (319B) to be separated from the output end of the feed driving mechanism (330) at the same time so as to enable the cutting 319b) The translation driving mechanism (340) is combined with the output end of the feeding driving mechanism (330) and is used for driving the tool holder (310) to perform translation sliding along the direction parallel to the rotating axis.
As a further optimization or improvement of the present solution.
The rotary tool changing mechanism (320) comprises a fixing ring (321) which is coaxially sleeved on the rotating ring (311) and is close to the outer part of one end of the three-jaw chuck II (224), the inner circular surface of the fixing ring (321) is in rotating connection and matching with the outer circular surface of the rotating ring (311), the outer circular surface of the fixing ring (321) is fixedly provided with a fixing frame (322), the fixing frame (322) and the fixing frame are fixedly connected into a whole, one side, close to the installation inclined surface (110), of the fixing ring (321) is provided with a notch, the fixing frame (322) is fixedly provided with a tool changing motor (323), the axial direction of an output shaft of the tool changing motor (323) is vertical to the axial direction of the fixing ring (321), a worm (324) extending to the notch is coaxially and fixedly arranged on the output shaft of the tool changing motor (324), a special-shaped turbine (325) is coaxially arranged between the inner circular surface of the fixing ring (321) and the outer circular surface of the, the outer circular surface of the sleeve ring (325 a) is provided with a plurality of engaging protrusions (325 b), the engaging protrusions (325 b) are arranged in an array mode in the circumferential direction where the sleeve ring (325 a) is located, the engaging protrusions (325 b) are engaged with the worm (324), and the tool changing motor (323) is a stepping motor and is in signal connection with the control system.
As a further optimization or improvement of the present solution.
The feeding driving mechanism (330) is fixedly arranged on the fixed frame (322), the feeding driving mechanism (330) is provided with two fixing plates (338) which are arranged in an array manner along the circumferential direction of the rotating ring (311), the feeding driving mechanism (330) comprises a fixing plate (338) fixedly arranged on the fixed frame (322), one plane of the fixing plate (338) is arranged opposite to the lug (312), a guide block (331) which is arranged corresponding to one lug (312) is fixedly arranged on the plane of the fixing plate (338) close to the lug (312), one end face of the guide block (331) close to the lug (312) is provided with a guide groove (332) which penetrates up and down, one end face of the guide block (331) close to the lug (312) is provided with a columnar rotating groove (333), the axial direction of the rotating groove (333) is arranged along the radial direction of the rotating ring (311), and the rotating groove (333) is positioned in the middle position of the guide, a rotating main shaft (334) coaxially arranged with the rotating groove (333) is rotatably arranged in the guide block (331), one end of the rotating shaft (334) extends into the rotating groove (333), a columnar rotating block (335) matched with the rotating groove (333) is coaxially and fixedly arranged at the end of the rotating shaft (334), the rotating block (335) and the rotating groove (333) are in rotating connection and matching along the radial direction of the rotating ring (311), a butt joint groove (336) which is aligned with the guide groove (332) and penetrates up and down is formed in one end face of the rotating block (335) close to the convex block (312), the transmission block (319) in an initial state can slide through the guide groove (332) and is clamped in the butt joint groove (336), a feeding motor (339) is fixedly installed on one end face, away from the protruding block (312), of the fixing plate (338), an output shaft of the feeding motor (339) movably penetrates through the fixing plate (338) to be coaxially and fixedly connected with the rotating shaft (334), and the feeding motor (339) is a stepping motor and is in signal connection with a control system.
As a further optimization or improvement of the present solution.
An induction hole (337 a) is formed in the outer circular surface of the rotating block (335) along the radial direction of the outer circular surface, a distance sensor (337 b) penetrates through the guiding block (331), the signal transmitting end of the distance sensor (337 b) is aligned with the induction hole (337 a) in the initial state, and signal connection is established between the distance sensor (337 b) and the control system.
As a further optimization or improvement of the present solution.
The translation driving mechanism (340) comprises two guide rods (341) arranged parallel to the axis of the rotating shaft, the two guide rods (341) are arranged in parallel at intervals, the translation driving mechanism (340) further comprises two guide rails (342) fixedly arranged on the upper end face of the lathe bed and arranged parallel to the length direction of the lathe bed, the two guide rails (342) are provided with two guide rails and are respectively positioned on one side of the inner sunk groove (111), the fixing frame (322) is sleeved on the guide rods (341) and forms sliding guide fit along the direction parallel to the axis of the rotating shaft, the fixing frame (322) extends to the two guide rails (342) and forms sliding guide fit along the direction parallel to the axis of the rotating shaft, a second screw rod (343) axially parallel to the direction of the axis of the rotating shaft is arranged in the two guide rails (342), the fixing frame (323) is sleeved outside the second screw rod (343) and forms threaded connection fit, a synchronous belt transmission assembly (345) used for connecting the two screw rods is arranged between the end parts of the two screw rods (343), the translation driving mechanism (340) further comprises a translation motor (344), an output shaft of the translation motor (344) is coaxially and fixedly connected with a driving end of one screw rod (343), the translation motor (344) is a stepping motor, and signal connection is established between the translation motor (344) and a control system.
Compared with the prior art, the lathe tool has the advantages that the lathe tool is ingenious in structure and simple in principle, the rotation of the main shaft does not need to be stopped in the tool changing process, different types of lathe tools can be conveniently and quickly replaced to carry out different types of turning processing on a processed workpiece, the turning processing efficiency is greatly improved, and the automation degree is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural diagram of the lathe bed.
Fig. 4 is a partial structural schematic diagram of the lathe bed.
Fig. 5 is a schematic structural view of the clamping member.
Fig. 6 is a schematic structural view of the fixing and clamping mechanism.
Fig. 7 is a matching view of the movable clamping mechanism and the lathe bed.
Fig. 8 is a schematic structural view of the movable clamping mechanism.
Fig. 9 is a matching view of the turning tool member and the clamping member.
Fig. 10 is a schematic view of the construction of the turning tool component.
FIG. 11 is a view showing the engagement of the tool post with the rotary tool changer and the feed drive mechanism.
Fig. 12 is a schematic view of the structure of the tool holder.
Fig. 13 is a partial structural view of the tool holder.
Fig. 14 is a partial structural view of the tool holder.
Fig. 15 is a partial structural view of the tool holder.
Fig. 16 is a partial structural view of the tool holder.
Fig. 17 is a partial structural view of the tool holder.
Fig. 18 is a partial structural view of the tool holder.
Fig. 19 is a partial structural view of the tool holder.
FIG. 20 is a view showing the engagement of the rotary tool changer with the tool holder.
FIG. 21 is a view showing the engagement of the rotary cutter changing mechanism with the tool post.
Fig. 22 is a partial structural schematic view of a rotary tool changer.
Fig. 23 is a view showing the engagement of the feed drive mechanism with the tool holder.
Fig. 24 is a view of the feed drive mechanism in cooperation with the tool post.
Fig. 25 is a view showing the engagement of the feed drive mechanism with the tool holder.
Fig. 26 is a partial configuration diagram of the feed drive mechanism.
Fig. 27 is a partial configuration diagram of the feed drive mechanism.
FIG. 28 is a view of the translation drive mechanism in cooperation with a tool post.
Labeled as:
100. a bed body; 110. installing an inclined plane; 111. an inner sinking groove; 112. a support frame; 120. a headstock; 121. a control panel; 130. a processing cabin; 131. a housing; 132. a cabin door; 133. a handle;
200. clamping the component; 210. fixing the clamping mechanism; 211. a spindle motor; 212. a first three-jaw chuck; 220. a movable clamping mechanism; 221. a first guide rail; 222. a guide block; 223. an auxiliary shaft motor; 224. a second three-jaw chuck; 225. a first screw rod; 226. a first translation motor;
300. a turning tool component; 310. a tool holder; 311. a rotating ring; 312. a bump; 313. mounting grooves; 314a, a chute; 314b, a slider; 314c, mounting projections; 314d, avoiding the chute; 315. a dovetail groove; 316. a clamping block; 316a, a compression ramp; 316b, a clamping plane; 317. turning a tool; 318. a hold-down bolt; 319a, feed screw; 319b, a transmission block; 320. rotating the tool changing mechanism; 321. a fixing ring; 322. a fixed mount; 323. a tool changing motor; 324. a worm; 325. a special-shaped turbine; 325a, a socket ring; 325b, an engaging projection; 330. a feed drive mechanism; 331. a guide block; 332. a guide groove; 333. a rotating tank; 334. a rotating shaft; 335. rotating the block; 336. a butt joint groove; 337a, induction holes; 337b, a distance sensor; 338. a fixing plate; 339. a feed motor; 340. a translation drive mechanism; 341. a guide bar; 342. a second guide rail; 343. a second screw rod; 344. a translation motor; 345. and a synchronous belt transmission component.
Detailed Description
A horizontal high-efficiency numerical control lathe with an inclined lathe bed comprises a rectangular lathe bed 100 which falls to the ground, a clamping part 200 which is used for clamping a workpiece and driving the workpiece to perform rotary motion, a lathe tool part 300 which is used for performing lathe machining on the workpiece which performs high-speed rotary motion, and a control system which is used for controlling the clamping part 200 and the lathe tool part 300, wherein a lathe head box 120 is fixedly arranged on one end surface of the lathe bed 100 along the length direction of the lathe bed 100, the height of the lathe head box 120 is greater than that of the lathe bed 100, a rectangular installation inclined surface 110 is arranged on the upper end surface of the lathe bed 100, the length direction of the installation inclined surface 110 is parallel to the horizontal direction, the width direction and the horizontal direction form a forty-five-degree included angle, a control panel 121 which is in signal connection with the control system is arranged on the lathe bed 120, a rectangular processing cabin 130 which is matched with the installation inclined surface 110 is fixedly covered on the installation inclined surface, the processing cabin 130 comprises a shell The opening direction of the outer shell 131 is perpendicular to the plane of the installation inclined plane 110, the hatch 132 and the outer shell 131 form sliding guide fit along the length direction parallel to the installation inclined plane 110, the hatch 132 is arranged to be transparent, the hatch 132 is arranged to be in a shielding state and an opening state which can be switched to each other, the initial state is a shielding state, and a handle 133 is arranged outside the hatch 132.
Specifically, the clamping component 200 and the turning tool component 300 are both disposed in the processing chamber 130, the clamping component 200 includes a fixed clamping mechanism 210 disposed near one end of the headstock 120, the movable clamping mechanism 220 is arranged at one end of the lathe head box 120, the fixed clamping mechanism 210 and the movable clamping mechanism 220 are arranged oppositely and coaxially, the movable clamping mechanism 220 can slide along the length direction of the installation inclined plane 110, the turning end of the turning tool component 300 is positioned between the fixed clamping mechanism 210 and the movable clamping mechanism 220, the turning tool component 300 can wholly slide along the length direction of the installation inclined plane 110, the turning end of the turning tool component 300 is provided with a plurality of turning ends which are arranged along the circumferential direction array where the rotary motion of a processed workpiece is located, and the turning ends of the turning tool component 300 are respectively turning tools 317 of different types capable of being detachably clamped and the turning tools 317 can independently perform feed turning.
During the turning process, a user pushes the hatch door 132 to slide along the length direction of the installation inclined plane 110 away from the headstock 120, so that the hatch door 132 is switched from a shielding state to an opening state, two workpieces to be machined are clamped on the clamping ends of the fixed clamping mechanism 210 and the movable clamping mechanism 220 respectively, then the hatch door 132 is switched from the opening state to the shielding state, the workpieces to be machined clamped on the fixed clamping mechanism 210 are turned at first, which is specifically represented by that the fixed clamping mechanism 210 is controlled to be started to operate by the control panel 121, the clamping end of the fixed clamping mechanism 210 drives the workpieces to perform high-speed rotary motion, the turning end of the turning tool component 300 and the workpieces to be machined in the high-speed rotary motion are controlled by the control panel 121 to perform tool setting, according to the machining process, a corresponding type is selected, so that a plurality of turning tools 317 in the turning tool component 300 are sequentially fed and turned along the radial direction of, the machining process of the machined workpiece is completed, then the machined workpiece clamped on the movable clamping mechanism 220 is turned, and the machining process is consistent with that of the machined workpiece clamped on the fixed clamping mechanism 210, and is not repeated.
The fixing and clamping mechanism 210 comprises a spindle motor 211 fixedly arranged in the headstock 120, an output shaft of the spindle motor 211 is axially parallel to the length direction of the installation inclined surface 110, a first three-jaw chuck 212 is coaxially and fixedly arranged on the output shaft of the spindle motor 211, the first three-jaw chuck 212 movably penetrates through the headstock 120 and extends into the processing cabin 130, and in order to facilitate starting control and rotating speed control of the spindle motor 211, the spindle motor 211 is a servo motor and signal connection is established between the spindle motor 211 and a control system.
In the working process of the fixing and clamping mechanism 210, a user loosens the first three-jaw chuck 212, one end of a workpiece to be machined is inserted into the first three-jaw chuck 212, then the first three-jaw chuck 212 is screwed, when the workpiece to be machined needs to be turned, the user controls the control panel 121 to send an instruction to the control system, the control system controls the spindle motor 211 to rotate according to a set rotating speed, and the fixing and clamping mechanism 210 drives the workpiece to be machined to perform high-speed rotary motion.
In order to facilitate the installation of the movable clamping mechanism 220, an inner sunken groove 111 is formed in the middle of the installation inclined plane 110 in the width direction, the inner sunken groove 111 is arranged in the length direction of the installation inclined plane 110 and penetrates through the end of the installation inclined plane 110 in the length direction, a support frame 112 is fixedly installed at one end of the installation inclined plane 110, which is far away from the headstock 120 in the length direction, the movable clamping mechanism 220 comprises a first guide rail 221 fixedly arranged in the inner sunken groove 111, a guide block 222 is movably arranged on the first guide rail 221, the guide block 222 and the first guide rail 221 form a sliding guide fit in the length direction of the installation inclined plane 110, the guide block 222 is arranged close to the support frame 112 in an initial state, an auxiliary shaft motor 223 is fixedly arranged on the guide block 222, the axial direction of the auxiliary shaft motor 223 is parallel to the axial direction of the spindle motor 211, the output shaft of the auxiliary shaft motor 223 is arranged opposite to the output shaft of the spindle motor 211, and a second three, in order to facilitate the start control and the rotation speed control of the auxiliary shaft motor 223, the auxiliary shaft motor 223 is a servo motor and a signal connection is established between the auxiliary shaft motor 223 and the control system.
Specifically, in order to enable the two three-jaw chucks 224 to translate along the length direction of the installation inclined surface 110, a first lead screw 225 axially parallel to the length direction of the installation inclined surface 110 is arranged in the first guide rail 221, one end of the first lead screw 225 is in rotating connection and matching with the headstock 120, the other end of the first lead screw 225 is in rotating connection and matching with the support frame 112, and the end is a driving end, the movable clamping mechanism 220 further comprises a first translation motor 226 fixedly connected with the support frame 112, an output shaft of the first translation motor 226 is coaxially and fixedly connected with the first lead screw 225, the first translation motor 226 is a stepping motor, and signal connection is established between the first translation motor 226 and a control system.
In the working process of the movable clamping mechanism 220, a user loosens the second three-jaw chuck 224, one end of a workpiece to be machined is inserted into the first three-jaw chuck 224, then the second three-jaw chuck 224 is screwed, when the workpiece to be machined needs to be turned, the user controls the control panel 121 to send an instruction to the control system, the control system controls the auxiliary shaft motor 223 to rotate according to a set rotating speed, and the movable clamping mechanism 220 drives the workpiece to be machined to perform high-speed rotary motion.
When a user needs to process a long-axis workpiece, the user adjusts the first three-jaw chuck 224 to move in a translational mode close to the first three-jaw chuck 212, so that the distance between the first three-jaw chuck 212 and the second three-jaw chuck 224 is matched with the long-axis workpiece, and the user controls the control panel 121 to send an instruction to the control system, the control system controls the output shaft of the first translation motor 226 to rotate in the forward direction, the first translation motor 226 drives the first screw rod 225 to rotate synchronously, the forward rotation of the first screw rod 225 forces the guide block 222 to slide along the first guide rail 221 close to the headstock 120, the distance between the second three-jaw chuck 224 and the first three-jaw chuck 212 is gradually reduced until the distance is matched with the long-axis workpiece, then the first three-jaw chuck 212 and the second three-jaw chuck 224 are loosened, the end portions of the long-axis workpiece are respectively inserted into the first three-jaw chuck 212 and the second three-jaw chuck 224, and then the first three-jaw chuck 212 and the second three-, when the long-axis workpiece needs to be turned, a user operates the control panel 121 to send an instruction to the control system, the control system controls the main shaft motor 211 and the auxiliary shaft motor 223 to synchronously rotate in the same direction, and the fixed clamping mechanism 210 and the movable clamping mechanism 220 drive the long-axis workpiece to perform high-speed rotary motion together.
The turning tool component 300 comprises an annular tool rest 310 for detachably mounting a turning tool 317, the tool rest 310 comprises a rotating ring 311 which is movably arranged between a first three-jaw chuck 212 and a second three-jaw chuck 224 and is coaxially arranged with a self-centering axis of a clamping end of the first three-jaw chuck 212, a rectangular lug 312 is fixedly arranged on an outer circular surface of the rotating ring 311 and fixedly connected with the rotating ring 311 into a whole, the length direction of the lug 312 is arranged along the radial direction of the rotating ring 311, the width direction of the lug 312 is parallel to the tangential direction of the circumference of the rotating ring 311, eight lugs 312 are arranged and are arranged in an array along the circumferential direction of the rotating ring 311, a rectangular mounting groove 313 is arranged on one end surface of the lug 312 close to the first three-jaw chuck 212, one end of the mounting groove 313 penetrates through a suspension end of the lug 312, the other end of the mounting groove penetrates through the inner circular surface of the rotating ring 311, a sliding groove, the sliding block 314b and the sliding groove 314a form a sliding guide fit along the radial direction of the rotating ring 311, one end surface of the sliding block 314b along the length direction is provided with a dovetail groove 315 penetrating to the other end surface thereof, the dovetail groove 315 penetrates to one end surface of the sliding block 314b close to the three-jaw chuck one 212, the side wall of the dovetail groove 315 along the width direction of the sliding block 314b is movably attached with a wedge-shaped clamping block 316, the clamping block 316 and the dovetail groove 315 form a sliding guide fit along the width direction of the sliding block 314b, one end surface of the two clamping blocks 316 close to each other is a clamping plane 316b parallel to the length direction of the sliding block 314b, one end surface of the two clamping blocks 316 far away from each other is a pressing inclined plane 316a parallel to the side wall of the dovetail groove 315, and the pressing inclined plane 316a is attached to the side wall of the dovetail groove 315 in an initial state, the turning tool 317 is, the turning tool 317 is clamped by the clamping flat 316 b.
Specifically, in order to enable the clamping plane 316b to clamp the turning tool 317, a pressing bolt 318 is disposed on an end surface of the slider 314b, which is close to the first three-jaw chuck 212, and is in threaded connection and matching with the end surface, the axial direction of the pressing bolt 318 is parallel to the axial direction of the rotating ring 311, the pressing bolt 318 is aligned with the pressing inclined plane 316b, four pressing bolts 318 are disposed and arrayed along the length direction of the slider 314b, the four pressing bolts 318 form a bolt group, the bolt group is disposed with two and arranged in one-to-one correspondence with the clamping blocks 316, and the pressing bolt 318 is rotated to abut against the pressing inclined plane 316a, so that the two clamping blocks 316 are close to each other and slide, and the turning tool 317 is clamped.
More specifically, in order to enable the turning tool 317 to move radially inward along the rotating ring 311 for feeding, the slider 314b needs to slide along the sliding groove 314a and radially inward along the rotating ring 311, for this purpose, an installation protrusion 314c is fixedly disposed at one end of the bottom of the installation groove 313 close to the inner circumferential surface of the rotating ring 311, an avoiding sliding groove 314d matched with the installation protrusion 314c is disposed on one end surface of the slider 314b close to the installation groove 313, the sliding groove 314d penetrates from the middle position of the slider 314b along the length direction thereof to one end surface thereof close to the axial line of the rotating ring 311, the avoiding sliding groove 314d and the installation protrusion 314c form a sliding guide fit along the radial direction of the rotating ring 311, a limiting plate for blocking the opening at one end of the installation groove 313 away from the axial line of the rotating ring 311 is fixedly disposed, a feeding screw rod 319a axially disposed along the radial direction of the rotating ring 311 is, one end of the feed screw 319a is in rotational connection and matching with the mounting protrusion 314c, the other end of the feed screw 319a penetrates through the sliding block 314b to be in rotational connection and matching with the limiting plate, and the end is a driving end, the feed screw 319a and the sliding block 314b form threaded connection and matching, in order to drive the feed screw 319a to rotate, the driving end of the feed screw 319a is fixedly provided with a rectangular transmission block 319b, the length direction of the transmission block 319b is parallel to the tangential direction of the circumference where the rotating ring 311 is located, the width direction is arranged along the radial direction of the rotating ring 311, the transmission block 319b drives the feed screw 319a to rotate, the sliding block 314b slides inwards along the radial direction of the rotating ring 311, and therefore the.
The turning tool assembly 300 further comprises a feeding driving mechanism 330, a rotary tool changing mechanism 320 and a translation driving mechanism 340, wherein the driving block 319B is driven to rotate along the radial direction of the rotating ring 311, the turning tools 317 can be divided into an A1A2 combination, a B1B2 combination, a C1C2 combination and a D1D2 combination which are oppositely arranged along the radial direction of the rotating ring 311, the driving block 319B in the A1A2 combination is combined with the output end of the feeding driving mechanism 330 in an initial state, the driving block 319B in the B1B2 combination, the C1C2 combination and the D1D2 combination is separated from the output end of the feeding driving mechanism 330, the turning tool 317 combined with the output end of the feeding driving mechanism 330 is in a working position state, the turning tool 317 separated from the output end of the feeding driving mechanism 330 is in an idle state, the rotary mechanism 320 is used for driving the rotating ring 311 to rotate around the axis, and enabling the driving block 319B in the A1A2 combination to be separated from the output end of the feeding driving mechanism 330 and enabling the feeding driving block 319B to be separated from the output end of the B1B2 The output end of the moving mechanism 330 is combined, and the translational driving mechanism 340 is used for driving the tool holder 310 to perform translational sliding along the length direction parallel to the installation inclined surface 110.
Specifically, the rotary tool changer 320 includes a fixing ring 321 coaxially sleeved on the rotating ring 311 near the outside of one end of the three-jaw chuck two 224, an inner circular surface of the fixing ring 321 is rotatably connected and matched with an outer circular surface of the rotating ring 311, a fixing frame 322 is fixedly arranged on the outer circular surface of the fixing ring 321 and fixedly connected with the same, a notch is formed on one side of the fixing ring 321 near the installation inclined plane 110, a tool changing motor 323 is fixedly arranged on the fixing frame 322, an output shaft of the tool changing motor 323 is axially perpendicular to the axial direction of the fixing ring 321, a worm 324 extending to the notch is coaxially and fixedly arranged on the output shaft of the tool changing motor 324, a special-shaped turbine 325 coaxially arranged between the inner circular surface of the fixing ring 321 and the outer circular surface of the rotating ring 311 is provided with a sleeving ring 325a, and an engaging protrusion 325b is arranged on the outer circular surface of the sleeving ring 325, the engaging protrusions 325b are arranged in a plurality and are arranged in an array along the circumferential direction where the socket ring 325a is located, the engaging protrusions 325b are engaged with the worm 324, in order to facilitate driving of the rotating ring 311 to rotate for tool changing by forty-five degrees, the tool changing motor 323 is a stepping motor, and signal connection is established between the tool changing mechanism 323 and a control system.
In the working process of the rotary tool changing mechanism 320, when the combined turning tool 317 of the B1B2 needs to be combined with the output end of the feed driving mechanism 330, the control panel 121 sends an instruction to the control system, the control system controls and starts the tool changing motor 323, the tool changing motor 323 performs stepping operation and transmits power to the rotating ring 311 through the worm 324 and the special-shaped turbine 325, so that the rotating ring 311 rotates clockwise by forty-five degrees, the transmission block 319B corresponding to the combined turning tool 317 of the B1B2 is combined with the output end of the feed driving mechanism 330 and is switched from an idle state to a working in-position state to wait for feed turning; when the combined C1C2 turning tool 317 needs to be combined with the output end of the feed driving mechanism 330, the tool changing motor 323 drives the rotating ring 311 to rotate ninety degrees clockwise, so that the transmission block 319b corresponding to the combined C1C2 turning tool 317 is combined with the output end of the feed driving mechanism 330 and is switched from an idle state to a working position state to wait for feed turning; when the D1D2 combined turning tool 317 needs to be combined with the feeding driving mechanism 330, the tool changing motor 323 drives the rotating ring 311 to rotate one hundred thirty five degrees clockwise, so that the transmission block 319b corresponding to the D1D2 combined turning tool 317 is combined with the output end of the feeding driving mechanism 330 and is switched to a working in-place state from an idle state to wait for feeding turning, and in the resetting process, the tool changing motor 323 drives the rotating ring 311 to rotate one hundred eighty degrees clockwise, so that the transmission block 319b corresponding to the A1A2 combined turning tool 317 is combined with the output end of the feeding driving mechanism 330 again.
In order to enable the transmission block 319b corresponding to the turning tool 317 to rotate along the radial direction of the rotating ring 311 in a state of working in place, the feeding driving mechanism 330 is fixedly arranged on the fixing frame 322, the feeding driving mechanism 330 is provided with two blocks and arranged in an array along the circumferential direction of the rotating ring 311, the feeding driving mechanism 330 comprises a fixing plate 338 fixedly arranged on the fixing frame 322, one plane of the fixing plate 338 is arranged opposite to the bump 312, a guide block 331 arranged corresponding to one bump 312 is fixedly arranged on one plane of the fixing plate 338 close to the bump 312, a guide slot 332 penetrating up and down is formed on one end surface of the guide block 331 close to the bump 312, a columnar rotating slot 333 is formed on one end surface of the guide block 331 close to the bump 312, the axial direction of the rotating slot 333 is arranged along the radial direction of the rotating ring 311, the rotating slot 333 is located in the middle position of the guide slot 332 along the penetrating direction, a rotating, one end of the rotating shaft 334 extends into the rotating groove 333 and is coaxially and fixedly provided with a cylindrical rotating block 335 matched with the rotating groove 333, the rotating block 335 and the rotating groove 333 are in rotating connection and fit along the radial direction of the rotating ring 311, one end face of the rotating block 335 close to the projection 312 is provided with a butt joint groove 336 aligned with the guide groove 332 and penetrating up and down, the driving block 319 in an initial state can slide through the guide groove 332 and be clamped in the butt joint groove 336, in order to drive the rotating block 335 to rotate around the axis of the rotating block, one end face of the fixing plate 338 departing from the projection 312 is fixedly provided with a feeding motor 339, an output shaft of the feeding motor 339 movably penetrates through the fixing plate 338 and is coaxially and fixedly connected with the rotating shaft 334, the feeding motor 339 is a stepping motor and is in signal connection with a control system, the rotating block 335 is driven to rotate forward by the feeding motor 339, so as to drive the, thereby causing the turning tool 317 to slide inward in the radial direction of the rotating ring 311 for feed turning.
Specifically, in order to separate the driving block 319b from the docking slot 336 and slide out of the guiding slot 332, and to slide the other driving block 319b from the guiding slot 332 into the docking slot 336, after the turning tool 317 is turned and reset, it is necessary to ensure that the docking slot 336 is always aligned with the guiding slot 332, for this purpose, an induction hole 337a is formed on the outer circumferential surface of the rotating block 335 along the radial direction thereof, a distance sensor 337b is formed on the guiding block 331, a signal emitting end of the distance sensor 337b is aligned with the induction hole 337a in an initial state, and a signal connection is established between the distance sensor 337b and the control system.
During the operation of the feeding driving mechanisms 330, one of the feeding driving mechanisms 330 drives the turning tool 317 driven by the feeding driving mechanism to perform feeding turning, and then the other feeding driving mechanism 330 drives the turning tool 317 driven by the feeding driving mechanism to perform feeding turning, which is specifically characterized in that when the rotary tool changer 320 drives the rotating ring 311 to rotate and causes the corresponding transmission block 319b to be clamped in the butt-joint groove 336, then a user operates the control panel 121 to give an instruction to the control system, the control system controls the start-up feeding motor 339 to rotate in the forward direction, the feeding motor 339 drives the rotating shaft 334 to rotate, the rotating shaft 334 drives the rotating block 335 to rotate synchronously, the rotating block 335 drives the transmission block 319b to rotate synchronously, the rotation of the feeding screw rod 319a causes the turning tool 317 to move inwards along the radial direction of the rotating ring 311 and perform feeding turning on a machined workpiece in high-speed rotary motion, and after turning is completed, the user operates the control panel 121 to give, the control system controls the start-up feed motor 339 to rotate reversely and reset, so that the turning tool 317 moves outwards along the radial direction of the rotating ring 311 to reset, after the reset, the distance sensor 337b and the induction hole 337a are verified until the signal emitting end of the distance sensor 337b corresponds to the induction hole 337a, and the feed motor 339 stops rotating reversely.
The translational driving mechanism 340 comprises two guide rods 341 fixedly arranged between the support frame 112 and the headstock 120 and parallel to the length direction of the installation inclined plane 110, the two guide rods 341 are symmetrically arranged along the length direction of the installation inclined plane 110, the translational driving mechanism 340 further comprises two guide rails 342 fixedly arranged on the installation inclined plane 110 and parallel to the length direction of the installation inclined plane, the two guide rails 342 are respectively arranged at one side of the inner sunken groove 111, the fixing frame 322 is sleeved on the guide rods 341 and forms sliding guide fit along the length direction parallel to the installation inclined plane 110, the fixing frame 322 extends to the two guide rails 342 and forms sliding guide fit along the length direction parallel to the installation inclined plane 110, a screw rod two 343 axially parallel to the length direction of the installation inclined plane 110 is arranged in the guide rails two 342, one end of the screw rod two 343 is rotatably connected and matched with the headstock 120 in a rotating manner, The other end of the second screw rod 343 is rotatably connected and matched with the support frame 112 and is a driving end, the fixing frame 323 is sleeved outside the second screw rod 343 and forms threaded connection and matching with the second screw rod 343, in order to drive the two screw rod 343 to rotate synchronously, one end of the two screw rod 343, which is far away from the support frame 112, extends into the headstock 120, and a synchronous belt transmission assembly 345 for connecting the two screw rod 343 and the headstock is arranged between the two screw rod 343 and the headstock, the translation driving mechanism 340 further comprises a translation motor 344 fixedly connected with the support frame 112, an output shaft of the translation motor 344 is coaxially and fixedly connected with the driving end of one of the second screw rod 343, the translation motor 344 is controlled, the translation motor 344 is a stepping motor, and signal connection is.
In the working process of the translation driving mechanism 340, when the turning tool 317 needs to be moved and the tool setting is performed on the machined workpiece rotating at a high speed, the control panel 121 sends an instruction to the control system, the control system controls the translation motor 344 to start and operate, the translation motor 344 drives the second lead screw 343 to synchronously rotate, the second lead screw 343 forces the fixing frame 322 to slide along the guide rod 341, and the fixing frame 422 drives the whole tool holder 310 to synchronously move, so that the turning tool 317 performs the tool setting on the machined workpiece rotating at a high speed.
Claims (8)
1. Automatic tool changing subassembly of digit control machine tool, its characterized in that: the tool changing device comprises an annular tool rest (310) used for detachably mounting a turning tool (317), a feeding driving mechanism (330), a rotary tool changing mechanism (320) and a translation driving mechanism (340), wherein the tool rest (310) comprises a rotating ring (311) coaxially arranged with a rotating shaft center line, the outer circular surface of the rotating ring (311) is fixedly provided with eight rectangular lugs (312) which are fixedly connected into a whole, the length direction of the lugs (312) is arranged along the radial direction of the rotating ring (311), the width direction of the lugs is parallel to the tangential direction of the circumference of the rotating ring (311), the lugs (312) are arranged in an array manner along the circumferential direction of the rotating ring (311), one end surface of each lug (312) is provided with a rectangular mounting groove (313), one end of each mounting groove (313) penetrates through to the suspension end of each lug (312) and the other end of each mounting groove penetrates through the inner circular surface of the rotating ring (311), each mounting groove (313) is provided, a rectangular sliding block (314 b) matched with the mounting groove (313) is arranged in the mounting groove (313), the sliding block (314 b) and the sliding groove (314 a) form sliding guide fit along the radial direction of the rotating ring (311), a dovetail groove (315) penetrating to the other end face of the sliding block (314 b) is formed in one end face of the sliding block (314 b) along the length direction of the sliding block, wedge-shaped clamping blocks (316) are movably attached to the side wall of the dovetail groove (315) along the width direction of the sliding block (314 b), the clamping blocks (316) and the dovetail groove (315) form sliding guide fit along the width direction of the sliding block (314 b), one end face, close to each other, of the two clamping blocks (316) is a clamping plane (316 b) parallel to the length direction of the sliding block (314 b), one end face, far away from each other, is a pressing inclined face (316 a) parallel to the side wall of the dovetail groove (, the turning tool (317) is detachably clamped between the two clamping planes (316 b), a tool bit of the turning tool (317) extends into the inner circular surface of the rotating ring (311), and the turning tool (317) is clamped through the clamping planes (316 b);
the end face of the sliding block (314 b) is provided with compression bolts (318) which are in threaded connection and matching with the sliding block, the axial direction of each compression bolt (318) is parallel to the axial direction of the rotating ring (311), the compression bolts (318) are aligned with the compression inclined plane (316 b), the compression bolts (318) are provided with four compression bolts (318) and are arranged in an array mode along the length direction of the sliding block (314 b), four compression bolts (318) form bolt groups, and the two bolt groups are arranged and are arranged in one-to-one correspondence with the clamping blocks (316);
an installation protrusion (314 c) is fixedly arranged at one end, close to the inner circular surface of the rotating ring (311), of the groove bottom of the installation groove (313), an installation protrusion (314 c) is fixedly arranged at one end, close to one end surface of the installation groove (313), of the sliding block (314 b) along an avoidance sliding groove (314 d) matched with the installation protrusion (314 c), the sliding groove (314 d) penetrates through the sliding block (314 b) from the middle position of the sliding block (314 b) in the length direction to one end surface, close to the axial line of the rotating ring (311), the avoidance sliding groove (314 d) and the installation protrusion (314 c) form sliding guide fit in the radial direction of the rotating ring (311), a limiting plate used for blocking the installation groove (313) is fixedly arranged at an opening at one end, away from the axial line of the rotating ring (311), a feeding screw rod (319 a) axially arranged in the radial direction of the rotating ring (311) is arranged in the, The other end of the feeding screw rod (319 a) penetrates through the sliding block (314 b) to be in rotating connection and matching with the limiting plate, the end is a driving end, the feeding screw rod (319 a) and the sliding block (314 b) form threaded connection and matching, a rectangular transmission block (319 b) is fixedly arranged at the driving end of the feeding screw rod (319 a), the length direction of the transmission block (319 b) is parallel to the tangential direction of the circumference where the rotating ring (311) is located, and the width direction of the transmission block is arranged along the radial direction of the rotating ring (311).
2. The automatic tool changing assembly of a numerical control machine tool according to claim 1, wherein: the feed driving mechanism (330) is used for driving the transmission block (319B) to rotate around the radial direction of the rotating ring (311), the turning tools (317) can be divided into an A1A2 combination, a B1B2 combination, a C1C2 combination and a D1D2 combination which are oppositely arranged along the radial direction of the rotating ring (311), the transmission block (319B) in the A1A2 combination is combined with the output end of the feed driving mechanism (330) in an initial state, the transmission block (319B) in the B1B2 combination, the C1C2 combination and the D1D2 combination is separated from the output end of the feed driving mechanism (330), the turning tool (317) combined with the output end of the feed driving mechanism (330) is in a working in-position state, the turning tool (317) separated from the output end of the feed driving mechanism (330) is in an idle state, the rotating mechanism (320) is used for driving the rotating ring (311) to rotate around the axis of itself and enabling the tool changing block (319B) in the A1A2 combination and the transmission block (319B) to be separated from the output end of the feed driving mechanism (330) at the same time so as to enable the cutting 319b) The translation driving mechanism (340) is combined with the output end of the feeding driving mechanism (330) and is used for driving the tool holder (310) to perform translation sliding along the direction parallel to the rotating axis.
3. The automatic tool changing assembly of a numerical control machine tool according to claim 1, wherein: the rotary tool changing mechanism (320) comprises a fixing ring (321) which is coaxially sleeved on the rotating ring (311) and is close to the outer part of one end of the three-jaw chuck II (224), the inner circular surface of the fixing ring (321) is in rotating connection and matching with the outer circular surface of the rotating ring (311), the outer circular surface of the fixing ring (321) is fixedly provided with a fixing frame (322), the fixing frame (322) and the fixing frame are fixedly connected into a whole, one side, close to the installation inclined surface (110), of the fixing ring (321) is provided with a notch, the fixing frame (322) is fixedly provided with a tool changing motor (323), the axial direction of an output shaft of the tool changing motor (323) is vertical to the axial direction of the fixing ring (321), a worm (324) extending to the notch is coaxially and fixedly arranged on the output shaft of the tool changing motor (324), a special-shaped turbine (325) is coaxially arranged between the inner circular surface of the fixing ring (321) and the outer circular surface of the, the outer circular surface of the sleeve ring (325 a) is provided with a plurality of engaging protrusions (325 b), the engaging protrusions (325 b) are arranged in an array mode in the circumferential direction where the sleeve ring (325 a) is located, the engaging protrusions (325 b) are engaged with the worm (324), and the tool changing motor (323) is a stepping motor and is in signal connection with the control system.
4. The automatic tool changing assembly of a numerical control machine according to claim 1 or 2, wherein: the feeding driving mechanism (330) is fixedly arranged on the fixed frame (322), the feeding driving mechanism (330) is provided with two fixing plates (338) which are arranged in an array manner along the circumferential direction of the rotating ring (311), the feeding driving mechanism (330) comprises a fixing plate (338) fixedly arranged on the fixed frame (322), one plane of the fixing plate (338) is arranged opposite to the lug (312), a guide block (331) which is arranged corresponding to one lug (312) is fixedly arranged on the plane of the fixing plate (338) close to the lug (312), one end face of the guide block (331) close to the lug (312) is provided with a guide groove (332) which penetrates up and down, one end face of the guide block (331) close to the lug (312) is provided with a columnar rotating groove (333), the axial direction of the rotating groove (333) is arranged along the radial direction of the rotating ring (311), and the rotating groove (333) is positioned in the middle position of the guide, a rotating main shaft (334) coaxially arranged with the rotating groove (333) is rotatably arranged in the guide block (331), one end of the rotating shaft (334) extends into the rotating groove (333), a columnar rotating block (335) matched with the rotating groove (333) is coaxially and fixedly arranged at the end of the rotating shaft (334), the rotating block (335) and the rotating groove (333) are in rotating connection and matching along the radial direction of the rotating ring (311), a butt joint groove (336) which is aligned with the guide groove (332) and penetrates up and down is formed in one end face of the rotating block (335) close to the convex block (312), the transmission block (319) in an initial state can slide through the guide groove (332) and is clamped in the butt joint groove (336), a feeding motor (339) is fixedly installed on one end face, away from the protruding block (312), of the fixing plate (338), an output shaft of the feeding motor (339) movably penetrates through the fixing plate (338) to be coaxially and fixedly connected with the rotating shaft (334), and the feeding motor (339) is a stepping motor and is in signal connection with a control system.
5. The automatic tool changing assembly of a numerical control machine according to claim 4, wherein: an induction hole (337 a) is formed in the outer circular surface of the rotating block (335) along the radial direction of the outer circular surface, a distance sensor (337 b) penetrates through the guiding block (331), the signal transmitting end of the distance sensor (337 b) is aligned with the induction hole (337 a) in the initial state, and signal connection is established between the distance sensor (337 b) and the control system.
6. The automatic tool changing assembly of a numerical control machine tool according to claim 1, wherein: the translation driving mechanism (340) comprises two guide rods (341) arranged parallel to the axis of rotation, the two guide rods (341) are arranged in parallel at intervals, the translation driving mechanism (340) further comprises two guide rails (342) fixedly arranged on the upper end face of the lathe bed and arranged parallel to the length direction of the lathe bed, the two guide rails (342) are provided with two guide rails and are respectively positioned on one side of the inner sunken groove (111), the fixing frame (322) is sleeved on the guide rods (341) and forms sliding guide fit along the direction parallel to the axis of rotation, the fixing frame (322) extends to the two guide rails (342) and forms sliding guide fit along the direction parallel to the axis of rotation.
7. The automatic tool changing assembly of a numerical control machine tool according to claim 6, wherein: a second screw rod (343) axially parallel to the direction of the axis of the rotating shaft is arranged in the second guide rail (342), the fixing frame (323) is sleeved outside the second screw rod (343) and forms threaded connection and matching, and a synchronous belt transmission assembly (345) for connecting the two screw rods is arranged between the end parts of the two second screw rods (343).
8. The automated tool changing assembly of a numerically controlled machine tool according to claim 7, wherein: the translation driving mechanism (340) further comprises a translation motor (344), an output shaft of the translation motor (344) is coaxially and fixedly connected with a driving end of one of the second lead screws (343), the translation motor (344) is a stepping motor, and signal connection is established between the translation motor (344) and a control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910945989.6A CN110587348A (en) | 2019-10-01 | 2019-10-01 | Automatic tool changing assembly of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910945989.6A CN110587348A (en) | 2019-10-01 | 2019-10-01 | Automatic tool changing assembly of numerical control machine tool |
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| Publication Number | Publication Date |
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| CN110587348A true CN110587348A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910945989.6A Withdrawn CN110587348A (en) | 2019-10-01 | 2019-10-01 | Automatic tool changing assembly of numerical control machine tool |
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| CN (1) | CN110587348A (en) |
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| CN112405058A (en) * | 2020-10-14 | 2021-02-26 | 马鞍山绿准数控科技有限公司 | Automatic tool changing system of socket type numerical control machine tool |
| CN112453444A (en) * | 2020-11-24 | 2021-03-09 | 安徽国防科技职业学院 | Underlying alternating type tool rest numerically controlled lathe |
| CN113977331A (en) * | 2021-11-19 | 2022-01-28 | 中国兵器装备集团自动化研究所有限公司 | Flexible automatic tool setting device |
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