CN116441983A - Tool magazine structure of three-spindle numerical control machining center machine tool - Google Patents
Tool magazine structure of three-spindle numerical control machining center machine tool Download PDFInfo
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- CN116441983A CN116441983A CN202310713620.9A CN202310713620A CN116441983A CN 116441983 A CN116441983 A CN 116441983A CN 202310713620 A CN202310713620 A CN 202310713620A CN 116441983 A CN116441983 A CN 116441983A
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- 230000007246 mechanism Effects 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims description 13
- 238000012937 correction Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 6
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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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
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
- B23Q3/15713—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
- B23Q3/1572—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means
- B23Q3/15722—Rotary discs or drums
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The invention belongs to the technical field of numerical control machine tool auxiliary equipment, and particularly relates to a tool magazine structure of a three-spindle numerical control machining center. The tool magazine structure of the three-spindle numerical control machining center machine tool not only has the function of automatically correcting disordered tools, but also has the function of alarming loosening of clamping tools, so that the situation that the tool magazine structure falls off is avoided as much as possible, the safety of the tools is ensured, the reliability of the tool magazine structure of the three-spindle numerical control machining center machine tool is improved, and the machining efficiency of the three-spindle numerical control machining center machine tool is further effectively improved.
Description
Technical Field
The invention belongs to the technical field of numerical control machine tool auxiliary equipment, and particularly relates to a tool magazine structure of a three-spindle numerical control machining center.
Background
The three-spindle numerical control machining center equipment is greatly different from the common numerical control machining center, and is equipment for driving three cutters to be machined simultaneously through three spindles, namely, the three-spindle numerical control machining center can machine three workpieces simultaneously, so that the machining efficiency of the three-spindle numerical control machining center is effectively improved, and the three-spindle numerical control machining center equipment also needs to be assisted by a special three-spindle numerical control machining center tool magazine in the use process, so that the reliability of the cutter replacement process is ensured.
At present, the tool magazine structure of the bamboo hat type three-spindle numerical control machining center machine tool is mainly controlled by a servo motor when rotating and selecting tools, but along with the extension of the working time of the tool magazine structure, the rotation errors of the servo motor are gradually accumulated, the position of a tool magazine of the tool magazine structure is easily disturbed, the situation of the tool magazine disorder is further caused, even the three-spindle numerical control machining center cannot complete an automatic tool changing program, the three-spindle numerical control machining center machine tool needs to be interrupted for disorder maintenance work, the tool magazine structure of the bamboo hat type three-spindle numerical control machining center machine tool also has the situation that the tool magazine clamps loose along with the extension of the working time, the tool is caused to shake in the tool magazine, if the maintenance of the tool magazine is not timely carried out, the tool is easily subjected to the action of rotation centrifugal force in the tool magazine disc assembly rotating and selecting process, and the situation of tool dropping is further influenced, and the machining efficiency and reliability of the three-spindle numerical control machining center machine tool are further influenced.
Therefore, we propose a tool magazine structure of a three-spindle numerical control machining center machine tool to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides a tool magazine structure of a three-spindle numerical control machining center machine tool.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a three main shaft numerical control machining center lathe tool magazine structure, includes three tool magazine dish subassembly, three the equal fixedly connected with connecting pipe of inner wall of tool magazine dish subassembly, three the pipe wall of connecting pipe is through antifriction bearing fixedly connected with hollow base jointly, the mounting hole has been seted up to hollow base's lower surface, and the pore wall fixedly connected with fixed cover of mounting hole, the inner wall fixedly connected with servo motor of fixed cover, servo motor's output passes the upper surface of fixed cover, servo motor's output fixedly connected with first ratchet, the outer lane outer wall of first ratchet and the bottom inner wall fixed connection of one of them connecting pipe, another two the equal fixedly connected with second ratchet of inner wall of connecting pipe, two the inner wall fixedly connected with change pipe of second ratchet, the bottom of change pipe is through fixedly connected with connecting bearing, hollow base's lower surface seted up with connecting bearing outer wall matched with fixed through-hole, two the bottom of change pipe has all fixedly connected with gear sleeve, two the outer wall of gear sleeve has all meshed, two the outer wall of gear sleeve the outer wall of rack has the first ratchet, two the outer wall fixedly connected with of driven gear has the same drive motor, two the same drive motor has two the same drive motor and has one of drive motor, two the same drive motor and has one of drive motor and two drive motor and one of drive motor and two inner wall, the connecting pipe.
In the tool magazine structure of the three-spindle numerical control machining center machine tool, the reset mechanism comprises a miniature air pump fixedly connected with the inner wall of the hollow base, an elbow is fixedly communicated with the output end of the miniature air pump, a hollow ring is fixedly communicated with the output end of the elbow, the lower surface of the hollow ring is fixedly connected with the inner wall of the hollow base, an air cylinder is fixedly communicated with the outer wall of the hollow ring, one side of the air cylinder, far away from the input end, is provided with a rectangular connecting hole, two outer wall phases of the rack are movably connected with the inner wall of the rectangular connecting hole of the adjacent air cylinder, the side end of the rack is fixedly connected with a supporting block, the outer wall of the supporting block is fixedly sleeved with a sealing sleeve, the outer wall of the sealing sleeve is movably connected with the inner wall of the air cylinder, and the outer wall of the rack is movably sleeved with a reset spring.
In the tool magazine structure of the three-spindle numerical control machining center machine tool, the tool position correction control mechanism comprises an insulating block, a conductive protruding rod and a fixing rod are fixedly embedded in the outer wall of the insulating block, the bottom end of the fixing rod penetrates through the bottom end of an adjacent rotating pipe and is fixedly connected with the upper surface of the hollow base, a plurality of fixing holes are formed in the inner wall of the connecting pipe, conductive protruding rods are fixedly connected with conductive protruding rods matched with the hole walls of the fixing holes, and conductive rings are fixedly connected with the outer walls of the conductive protruding rods.
In the tool magazine structure of the three-spindle numerical control machining center machine tool, the plurality of conductive bumps are annularly distributed at the bottom of the connecting pipe, and the distribution angles of the plurality of conductive bumps correspond to the plurality of tool position angles of the tool magazine disc assembly one by one.
In the above-mentioned three main shaft numerical control machining center lathe tool magazine structure, the not hard up alarm mechanism of cutter include with tool magazine dish subassembly upper surface fixed connection's insulating boot, the outer wall of insulating boot has seted up multiunit symmetric distribution's connection through-hole, and the equal fixedly connected with of pore wall of every two connection through-holes detects the conducting rod, adjacent two detect the both sides of conducting rod respectively fixedly connected with outage normally open switch and buzzer siren, the round hole has been seted up to the upper surface of insulating boot, and the pore wall fixedly connected with conductive slip ring of round hole.
In the tool magazine structure of the three-spindle numerical control machining center machine tool, a plurality of detection conducting rods are distributed in an annular mode on the same horizontal plane, and the distribution angles correspond to a plurality of tool position angles of the tool magazine disc assembly one by one.
In the tool magazine structure of the three-spindle numerical control machining center machine tool, rectangular through holes are formed in the outer walls of the two sides of the hollow base, the side plates are connected with the hole walls of the rectangular through holes through bolts, and a plurality of threaded blind holes matched with the bolts are formed in the outer walls of the hollow base.
In the tool magazine structure of the three-spindle numerical control machining center machine tool, the lower surface of the hollow base is provided with the plurality of air inlets, and the lower surface of the hollow base is fixedly connected with two symmetrically distributed L-shaped fixing strips.
Compared with the prior art, the tool magazine structure of the three-spindle numerical control machining center machine tool has the advantages that:
1. through canceling release mechanical system, tool bit correction control mechanism and the circular telegram time delay that set up, work for a long time because of rotatory error accumulation causes tool magazine dish subassembly tool holder position skew when leading to the fact unable automatic tool change, conductive lug and conductive protruding pole dislocation on the connecting pipe this moment, circular telegram time delay relay carries out 30 seconds countdown, if circular telegram time delay in-process conductive lug and conductive protruding pole do not contact once more, canceling release mechanical system work makes the rack slowly move after the countdown finishes, the rack moves the in-process and makes the commentaries on classics pipe rotatory through the gear sleeve, the commentaries on classics pipe makes a plurality of connecting pipes and tool magazine dish subassembly reverse rotation through second ratchet and first ratchet, and drive tool magazine dish subassembly rotation correction tool sleeve position, after the tool sleeve position is accurate, conductive lug and conductive protruding pole contact after closing automatic correction procedure, this mechanism makes three main shaft numerical control machining center lathe tool magazine structure have the automatic function of correcting of turboknife, improve three main shaft machining center lathe tool magazine structure reliability, and can effectively improve three main shaft numerical control machining center lathe processing efficiency.
2. Through the tool looseness alarm mechanism that sets up, when the tool holder of tool magazine dish subassembly works for a long time and appears the centre gripping not hard up, the interior cutter of tool magazine dish subassembly does not contact with two adjacent detection conducting bars of this tool holder this moment, tool looseness alarm mechanism break off the open switch of electricity and switch and close this moment, and make buzzer alarm circular telegram send out and remind, then the staff can in time maintain the interior tool holder of tool magazine dish subassembly, guarantee that tool magazine dish subassembly tool holder can stabilize the centre gripping cutter, avoid the condition that the cutter took place to drop because of rotatory centrifugal force effect, this mechanism makes three main shaft numerical control machining center lathe tool magazine structure have the not hard up alarming of cutter centre gripping function, avoid the condition that the tool magazine structure took place to fall the cutter as far as possible, guarantee the safety of cutter, can also improve the reliability that three main shaft numerical control machining center lathe tool magazine structure used.
Drawings
FIG. 1 is a schematic diagram of a tool magazine structure of a three-spindle numerical control machining center machine tool;
fig. 2 is a schematic diagram of a top plan view of a tool magazine disc assembly in a tool magazine structure of a three-spindle numerical control machining center provided by the invention;
fig. 3 is a schematic structural diagram of a tool position correction control mechanism in a tool magazine structure of a three-spindle numerical control machining center machine tool provided by the invention;
fig. 4 is a schematic diagram of a partially enlarged structure in a tool magazine structure of a three-spindle numerical control machining center machine tool provided by the invention;
fig. 5 is a schematic structural view of a reset mechanism in a tool magazine structure of a three-spindle numerical control machining center machine tool provided by the invention;
fig. 6 is a schematic diagram of a top view of a tool position correction control mechanism in a tool magazine structure of a three-spindle numerical control machining center machine tool;
fig. 7 is a schematic diagram of a local working of a tool position correction control mechanism in a tool magazine structure of a three-spindle numerical control machining center provided by the invention;
FIG. 8 is a schematic diagram of a part of a tool looseness alarm mechanism in a tool magazine structure of a three-spindle numerical control machining center provided by the invention;
fig. 9 is a schematic diagram of the internal structure of a first ratchet wheel in the tool magazine structure of the three-spindle numerical control machining center machine tool provided by the invention.
In the figure: the tool magazine comprises a tool magazine disc assembly, a connecting pipe 2, a hollow base 3, a fixed cover 4, a servo motor 5, a first ratchet wheel 6, a reset mechanism 7, a miniature air pump 71, a bent pipe 72, a hollow ring 73, an air pump 74, a supporting block 75, a sealing sleeve 76, a reset spring 77, a tool position correcting control mechanism 8, an insulating block 81, a conductive convex rod 82, a fixed rod 83, a conductive convex block 84, a conductive ring 85, a tool looseness alarm mechanism 9, an insulating cover 91, a detection conductive rod 92, a power-off normally open switch 93, a buzzer alarm 94, a conductive slip ring 95, a second ratchet wheel 10, a rotary pipe 11, a connecting bearing 12, a gear sleeve 13, a rack 14, a power-on delay relay 15, a driving gear 16, a driven gear 17, a driving belt 18, a side plate 19, a 20 air inlet hole 21L-shaped fixing strip.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-9, a tool magazine structure of a three-spindle numerical control machining center machine tool comprises three tool magazine disk assemblies 1, wherein connecting pipes 2 are fixedly connected to the inner walls of the three tool magazine disk assemblies 1, the pipe walls of the three connecting pipes 2 are jointly connected with a hollow base 3 through rolling bearings, rectangular through holes are formed in the outer walls of two sides of the hollow base 3, side plates 19 are connected to the hole walls of the rectangular through holes through bolts, a plurality of threaded blind holes matched with the bolts are formed in the outer walls of the hollow base 3, maintenance staff can conveniently and fast maintain the internal equipment of the hollow base 3 by opening the side plates 19, the operation space of a maintenance process is enlarged, a plurality of air inlet holes 20 are formed in the lower surface of the hollow base 3, two symmetrically distributed L-shaped fixing strips 21 are fixedly connected to the lower surface of the hollow base 3, the air inlet holes 20 can ensure air inlet of the hollow base 3, and the L-shaped fixing strips 21 can conveniently install the tool magazine structure.
The mounting hole has been seted up to the lower surface of hollow base 3, and the pore wall fixedly connected with fixed cover 4 of mounting hole, the inner wall fixedly connected with servo motor 5 of fixed cover 4, servo motor 5's output passes the upper surface of fixed cover 4, servo motor 5's output fixedly connected with first ratchet 6, the outer lane outer wall of first ratchet 6 and the bottom inner wall fixed connection of one of them connecting pipe 2, the inner wall of two other connecting pipes 2 is all fixedly connected with second ratchet 10, the inner wall of first ratchet 6 and second ratchet 10 is unanimous, as shown in fig. 9, the inner wall fixedly connected with changes tub 11 of inner circle of two second ratchet 10, change tub 11 non-rotation when first ratchet 6 and second ratchet 10 cooperation can ensure tool magazine dish subassembly 1 normal rotation, and change tub 11 and then can drive tool magazine dish subassembly 1 reverse rotation and carry out the position correction of cover, the bottom of change tub 11 is through fixedly connected with connecting bearing 12, the fixed through-hole with connecting bearing 12 matched with is seted up to the lower surface of hollow base 3, the outer wall of two change tub 11 has all fixed connection of gear sleeve 13, two outer wall 13 have the meshing of gear sleeve 14.
The inner wall fixedly connected with circular telegram time delay relay 15 of hollow base 3, two driving gears 16 have been cup jointed to the pipe wall fixed of one of them connecting pipe 2, driven gear 17 has all been cup jointed to the pipe wall fixed of another two connecting pipe 2, driven gear 17 has cup jointed the drive belt 18 jointly with the outer wall of adjacent driving gear 16 respectively, the inside of one of them connecting pipe 2 is equipped with tool position correction control mechanism 8, tool position correction control mechanism 8 includes insulating block 81, the outer wall fixed embedding of insulating block 81 has electrically conductive protruding rod 82 and dead lever 83, the bottom of dead lever 83 passes the bottom of adjacent commentaries on classics pipe 11 to with the upper surface fixed connection of hollow base 3, a plurality of fixed orifices have been seted up to the inner wall of connecting pipe 2, and the pore wall fixed connection of dead lever has electrically conductive protruding rod 82 matched with electrically conductive lug 84, a plurality of electrically conductive lugs 84's outer wall common fixedly connected with electrically conductive ring 85, a plurality of electrically conductive lugs 84 are annular distribution in connecting pipe 2 bottom, and a plurality of electrically conductive lugs 84 are corresponding with a plurality of tool position angles of tool magazine dish subassembly 1 one by one, this mechanism makes three numerical control machining center tool position automatic function in disorder, the machine tool position automatic function is not required to be maintenance three numerical control machining center tool position maintenance, the machine tool position is saved labour saving and the machine is required to finish.
The outer walls of the two racks 14 are jointly connected with the reset mechanism 7, the reset mechanism 7 comprises a miniature air pump 71 fixedly connected with the inner wall of the hollow base 3, the output end of the miniature air pump 71 is fixedly connected with an elbow 72, the output end of the elbow 72 is fixedly connected with a hollow ring 73, the lower surface of the hollow ring 73 is fixedly connected with the inner wall of the hollow base 3, the outer wall of the hollow ring 73 is fixedly connected with an air cylinder 74, one side of the air cylinder 74, far away from the input end, is provided with a rectangular connecting hole, the outer wall of the two racks 14 is movably connected with the inner wall of the rectangular connecting hole of the adjacent air cylinder 74, the side end of the rack 14 is fixedly connected with a supporting block 75, the outer wall of the supporting block 75 is fixedly sleeved with a sealing sleeve 76, the outer wall of the sealing sleeve 76 is movably connected with the inner wall of the air cylinder 74, the outer wall of the rack 14 is movably sleeved with a reset spring 77, the reset spring 77 can be compressed and stored energy when the rack 14 moves outwards, and automatic reset of the rack 14 can be ensured.
The tool magazine disc assembly comprises a tool magazine disc assembly 1, a tool loosening alarm mechanism 9, an insulating cover 91 fixedly connected with the upper surface of the tool magazine disc assembly 1, a plurality of groups of symmetrically distributed connecting through holes are formed in the outer wall of the insulating cover 91, detection conducting rods 92 are fixedly connected to the hole walls of each group of two connecting through holes, a power-off normally open switch 93 and a buzzer alarm 94 are fixedly connected to the two sides of each adjacent two detection conducting rods 92 respectively, round holes are formed in the upper surface of the insulating cover 91, a conductive slip ring 95 is fixedly connected to the hole walls of the round holes, a plurality of detection conducting rods 92 on the same horizontal plane are annularly distributed, the distribution angles correspond to the plurality of tool position angles of the tool magazine disc assembly 1 one by one, two adjacent detection conducting rods 92 are connected to the two ends of the buzzing alarm 94 and the power-off normally open switch 93 in parallel through wires, the tool loosening alarm mechanism 9 is powered on and closed, the buzzer alarm 94 is powered on, an alarm reminding function is given out, and then workers can maintain the tool magazine disc assembly 1 in time, the tool magazine has the function of clamping the tool magazine, and the tool magazine has the function of tool magazine safety, and tool magazine safety is guaranteed.
The principle of operation of the present invention will now be described as follows: when the tool magazine structure of the three-spindle numerical control machining center machine tool works, the servo motor 5 drives one connecting pipe 2 to rotate through the first ratchet wheel 6, the connecting pipe 2 enables the three tool magazine disk assemblies 1 to rotate in the same direction through the driving gear 16, the driven gear 17 and the transmission belt 18, the three spindles of the three-spindle numerical control machining center machine tool can simultaneously replace the same tools to process a plurality of workpieces, if the servo motor 5 works for a long time, the position of the tool magazine disk assemblies 1 is deviated due to accumulation of rotation errors, and automatic tool replacement cannot be caused, at the moment, the conductive lugs 84 on the connecting pipe 2 are out of dislocation and do not contact with the conductive convex rods 82, as shown in fig. 7, the energizing delay relay 15 is enabled to conduct countdown for 30 seconds, if the conductive lugs 84 are not in contact with the conductive convex rods 82 again, the two ends of the conductive lugs 84 are connected with the two ends of the miniature air pump 71 and the energizing delay relay 15 in parallel through wires, and after the countdown, the energizing delay relay 15 is closed, so that the reset mechanism 7 is energized to work to drive the rack 14 to slowly move;
the miniature air pump 71 of the reset mechanism 7 is powered on, then the same air is simultaneously filled into the two air cylinders 74 through the bent pipe 72 and the hollow ring 73, the air pushes the rack 14 to move in the air cylinders 74 through the sealing sleeve 76 and the supporting block 75, the reset spring 77 compresses and stores energy, in addition, the rotating pipe 11 is rotated through the gear sleeve 13 in the moving process of the rack 14, the rotating pipe 11 reversely rotates the plurality of connecting pipes 2 and the tool magazine disc assembly 1 through the second ratchet wheel 10 and the first ratchet wheel 6, the tool magazine disc assembly 1 is driven to rotate and correct the tool magazine sleeve position, after the tool magazine disc assembly 1 has accurate tool magazine sleeve position, the conductive convex block 84 is contacted with the conductive convex rod 82 to be powered on, at the moment, the circuits at the two ends of the miniature air pump 71 and the power-on delay relay 15 are shorted and are not powered on, and the rack 14 returns under the action of the restoring force of the restoring spring 77, the tool magazine disc assembly 1 does not rotate under the action of the first ratchet wheel 6 and the second ratchet wheel 10 in the returning process of the rack 14, if the power-on time delay relay 15 is in the countdown of 30 seconds, the conductive convex block 84 contacts with the conductive convex rod 82 again, so that the tool magazine disc assembly 1 is in normal rotation and tool selection program, and the error starting of the restoring mechanism 7 can be prevented, and the mechanism enables the tool magazine structure of the three-spindle numerical control machining center to have the function of automatically correcting the disordered tool, does not need to interrupt the maintenance of the tool magazine structure of the three-spindle numerical control machining center, saves time and labor, improves the reliability of the tool magazine structure of the three-spindle numerical control machining center, and can effectively improve the machining efficiency of the tool magazine of the three-spindle numerical control machining center.
When the servo motor 5 drives the tool sleeve of the tool magazine disc assembly 1 to work for a long time through the connecting pipe 2 to cause clamping looseness, at this moment, metal tools in the tool sleeve of the tool magazine disc assembly 1 are not contacted with two adjacent detection conducting rods 92 of the tool sleeve, as shown in fig. 8, the circuit of the detection conducting rods 92 is disconnected, two adjacent detection conducting rods 92 are connected in parallel through wires at two ends of the buzzing alarm 94 and the power-off normally open switch 93, the tool looseness alarm mechanism 9 is enabled to interrupt the power-on of the normally open switch 93 to be closed, the buzzing alarm 94 is enabled to be electrified to give out alarm reminding, then a worker can timely maintain the tool sleeve in the tool magazine disc assembly 1, the condition that the tools fall down due to the action of the rotating centrifugal force of the tool magazine disc assembly 1 is guaranteed, the tool magazine structure of the three-spindle numerical control machining center has the function of tool clamping looseness alarm, the tool magazine structure is prevented from being broken as much as possible, the safety of the tools is guaranteed, the reliability of the use of the three-spindle machining center tool magazine structure can be improved, in addition, the hollow space 3 can be conveniently maintained by opening the side plate 19, and the maintenance worker can conveniently maintain the hollow space 3.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides a three main shaft numerical control machining center lathe tool magazine structure, includes three tool magazine dish subassembly (1), its characterized in that, three the equal fixedly connected with connecting pipe (2) of inner wall of tool magazine dish subassembly (1), three the pipe wall of connecting pipe (2) is through antifriction bearing fixedly connected with hollow base (3) jointly, the mounting hole has been seted up to the lower surface of hollow base (3), and the pore wall fixedly connected with fixed cover (4) of mounting hole, the inner wall fixedly connected with servo motor (5) of fixed cover (4), the output of servo motor (5) passes the upper surface of fixed cover (4), the output fixedly connected with first ratchet (6) of servo motor (5), the outer lane outer wall of first ratchet (6) and the bottom inner wall fixedly connected with one of them connecting pipe (2), the other two the inner wall fixedly connected with of inner race inner wall of second ratchet (10) changes tub (11), the bottom of changeing tub (11) is through fixedly connected with servo motor (5), the outer wall that changes tub (12) and two outer wall fixedly connected with outer wall (13) of hollow bearing (3), the outer wall (13) of two outer walls (13) of outer race (13) are connected with each other, two the outer wall of rack (14) is connected with canceling release mechanical system (7) jointly, the equal fixedly connected with circular telegram time delay relay (15) in inner wall of hollow base (3), one of them the pipe wall of connecting pipe (2) is fixed to be cup jointed two driving gear (16), and is other two driven gear (17) have all been fixed to be cup jointed to the pipe wall of connecting pipe (2), two driven gear (17) have cup jointed drive belt (18) jointly with the outer wall of adjacent driving gear (16) respectively, and three equal fixedly connected with cutter of top of tool magazine dish subassembly (1) becomes flexible alarm mechanism (9), one of them the inside of connecting pipe (2) is equipped with tool position correction control mechanism (8).
2. The three-spindle numerical control machining center machine tool magazine structure according to claim 1, characterized in that the reset mechanism (7) comprises a miniature air pump (71) fixedly connected with the inner wall of the hollow base (3), an output end of the miniature air pump (71) is fixedly communicated with an elbow pipe (72), an output end of the elbow pipe (72) is fixedly communicated with a hollow ring (73), the lower surface of the hollow ring (73) is fixedly connected with the inner wall of the hollow base (3), an air cylinder (74) is fixedly communicated with the outer wall of the hollow ring (73), a rectangular connecting hole is formed in one side, far away from the input end, of the air cylinder (74), two outer walls of the racks (14) are movably connected with the inner wall of the rectangular connecting hole of an adjacent air cylinder (74), a supporting block (75) is fixedly connected with the side end of the rack (14), a sealing sleeve (76) is fixedly sleeved on the outer wall of the supporting block (75), the outer wall of the sealing sleeve (76) is movably connected with the inner wall of the air cylinder (74), and the outer wall of the rack (14) is movably sleeved with a reset spring (77).
3. The three-spindle numerical control machining center machine tool magazine structure according to claim 1, wherein the tool position correcting control mechanism (8) comprises an insulating block (81), a conductive protruding rod (82) and a fixing rod (83) are fixedly embedded in the outer wall of the insulating block (81), the bottom end of the fixing rod (83) penetrates through the bottom end of an adjacent rotating pipe (11) and is fixedly connected with the upper surface of a hollow base (3), a plurality of fixing holes are formed in the inner wall of the connecting pipe (2), conductive protruding blocks (84) matched with the conductive protruding rods (82) are fixedly connected to the wall of the fixing holes, and conductive rings (85) are fixedly connected to the outer walls of the conductive protruding blocks (84) together.
4. The tool magazine structure of the three-spindle numerical control machining center machine tool according to claim 3, wherein the plurality of conductive bumps (84) are annularly distributed at the bottom of the connecting pipe (2), and the distribution angles of the plurality of conductive bumps (84) correspond to the plurality of tool magazine angles of the tool magazine disc assembly (1) one by one.
5. The tool magazine structure of the three-spindle numerical control machining center machine tool according to claim 1, wherein the tool looseness alarming mechanism (9) comprises an insulating cover (91) fixedly connected with the upper surface of the tool magazine disc assembly (1), a plurality of groups of symmetrically distributed connecting through holes are formed in the outer wall of the insulating cover (91), detection conducting rods (92) are fixedly connected to the hole walls of every two groups of connecting through holes, a normally open outage switch (93) and a buzzer alarm (94) are fixedly connected to two sides of each two adjacent detection conducting rods (92), a round hole is formed in the upper surface of the insulating cover (91), and a conductive slip ring (95) is fixedly connected to the hole walls of the round holes.
6. The tool magazine structure of the three-spindle numerical control machining center machine tool according to claim 5, wherein a plurality of detection conducting rods (92) on the same horizontal plane are distributed in a ring shape, and the distribution angles correspond to a plurality of tool position angles of a tool magazine disc assembly (1) one by one.
7. The tool magazine structure of the three-spindle numerical control machining center machine tool according to claim 1, wherein rectangular through holes are formed in the outer walls of two sides of the hollow base (3), side plates (19) are connected to the hole walls of the rectangular through holes through bolts, and a plurality of threaded blind holes matched with the bolts are formed in the outer wall of the hollow base (3).
8. The tool magazine structure of the three-spindle numerical control machining center machine tool according to claim 1, wherein a plurality of air inlets (20) are formed in the lower surface of the hollow base (3), and two symmetrically distributed L-shaped fixing strips (21) are fixedly connected to the lower surface of the hollow base (3).
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| CN202310713620.9A CN116441983B (en) | 2023-06-16 | 2023-06-16 | Tool magazine structure of three-spindle numerical control machining center machine tool |
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| CN202310713620.9A CN116441983B (en) | 2023-06-16 | 2023-06-16 | Tool magazine structure of three-spindle numerical control machining center machine tool |
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| CN116441983B (en) | 2023-08-11 |
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