CN110103057B - Automatic tool warehousing equipment for machining center - Google Patents
Automatic tool warehousing equipment for machining center Download PDFInfo
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- CN110103057B CN110103057B CN201910352585.6A CN201910352585A CN110103057B CN 110103057 B CN110103057 B CN 110103057B CN 201910352585 A CN201910352585 A CN 201910352585A CN 110103057 B CN110103057 B CN 110103057B
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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
- B23Q3/15526—Storage devices; Drive mechanisms therefor
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- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The invention relates to the field of machining center equipment, in particular to automatic cutter warehousing equipment for a machining center, which comprises a cutter storage bin, a lifting cutter storage device, a CCD camera, a transition fixture and a plurality of fixed columns, wherein the lifting cutter storage device is arranged in the cutter storage bin and comprises a main shaft, a lifting oil cylinder, a feeding air rod and two cutter mounting gears sleeved on the main shaft, the main shaft is vertically arranged in the cutter storage bin, all tooth grooves of the two cutter mounting gears are respectively used for placing different machining cutters, a tooth groove of one cutter mounting gear is a detection tooth groove, a clamping device is arranged in the detection tooth groove, the lifting oil cylinder is arranged at the bottom wall of the cutter storage bin and is in transmission connection with the main shaft, the feeding air rod is arranged above the clamping device, a piston shaft of the lifting oil cylinder is in transmission connection with the clamping device, the CCD camera and the transition fixture are sequentially arranged at the periphery of the cutter mounting gears, a code scanner is arranged above, the top end of the fixed column is provided with a bar code, and the automatic detection device can automatically detect the tools which are put in storage.
Description
Technical Field
The invention relates to the field of machining center equipment, in particular to automatic tool storage equipment for a machining center.
Background
Machining centers have evolved from numerically controlled milling machines. The numerical control milling machine is different from a numerical control milling machine in that the machining center has the capability of automatically exchanging machining tools, and the machining tools on the main shaft can be changed through the automatic tool changing device in one-time clamping by installing tools with different purposes on the tool magazine, so that multiple machining functions are realized.
Most of tool magazines in the existing machining centers are open, tools need to be cleaned manually at regular intervals, the abrasion condition of the tools needs to be detected at regular time every day, when a certain tool is found to be unqualified, the tool needs to be replaced in time, and if the tool is continuously used, a defective product is produced, so that the machining speed and the machining efficiency of the machining center are influenced; however, manual detection is inefficient because of the large number of machining tools.
Disclosure of Invention
The invention aims to provide automatic tool warehousing equipment for a machining center, aiming at the defects of the prior art.
In order to solve the above problems, the present invention provides the following technical solutions:
an automatic tool warehousing device for a machining center comprises a tool storage bin, a lifting tool storage device, a code scanner, a controller, a CCD camera, a transition fixture and a fixed column, wherein the lifting tool storage device is arranged in the tool storage bin and comprises a main shaft, a lifting oil cylinder, a feeding air rod and at least two tool mounting gears sleeved on the main shaft, the main shaft is vertically arranged in the tool storage bin, all tooth grooves of the two tool mounting gears are respectively used for placing different machining tools, the tooth groove specification of one tool mounting gear is larger than that of the other tooth grooves, the tooth grooves are detection tooth grooves, a clamping device capable of moving elastically is arranged in the detection tooth grooves, the lifting oil cylinder is vertically arranged at the bottom wall of the tool storage bin, a piston shaft of the lifting oil cylinder is in transmission connection with the main shaft, the feeding air rod is arranged above the clamping device in an inverted mode and is used for driving the clamping device to move vertically, the CCD camera and the transition fixture are sequentially arranged at the, the bar code scanner is to invert and locate and press from both sides the fixing device directly over, and CCD camera, bar code scanner all with controller electric connection, the quantity of fixed column is a plurality of to install respectively on a processing cutter top, the top of every fixed column is equipped with a bar code respectively.
Furthermore, the lifting type cutter storage device further comprises a spline shaft and a servo motor, the spline shaft is vertically hinged to the bottom wall of the cutter storage bin, the bottom end of the main shaft is in plug-in fit with the spline shaft, the servo motor is arranged at the bottom of the cutter storage bin, and an output rotor of the servo motor is in transmission connection with the spline shaft.
Further, the clamping and fixing device comprises a bottom tray, a fixed clamping barrel, a lifting rod, an inflator pump and an air guide chassis, wherein the fixed clamping barrel is vertically arranged in the detection tooth groove, the air guide chassis is arranged below the fixed clamping barrel, an air guide cavity is formed between the inner wall and the outer wall of the lower half section of the fixed clamping barrel, the bottom end of the fixed clamping barrel is in hinged fit with one end of the air guide chassis, the one end of the air guide chassis is provided with a shaft hole communicated with the inner wall of the fixed clamping barrel, the one end of the air guide chassis is also provided with an annular air groove communicated with the air guide cavity, the other end of the air guide chassis extends towards the circle center of the cutter mounting gear, the lifting rod vertically penetrates through the cutter mounting gear, the bottom end of the lifting rod is fixedly connected with one end, close to the circle center of the cutter mounting gear, the upper end of the lifting rod is provided with a spring gasket, the bottom of the spring gasket is provided with a reset spring, the lifting rod and the piston rod of the feeding air rod are arranged concentrically, the bottom tray is arranged in the middle section of the air guide chassis, the driver is arranged on the bottom tray and is in transmission connection with the fixed clamping cylinder, a plurality of annular air bags communicated with the air guide cavity are arranged in the fixed clamping cylinder, the inflator pump is arranged at the top of the cutter mounting gear, and the output end of the inflator pump is communicated with the annular air groove through the flexible air pipe.
Furthermore, the axial length of the fixed clamping barrel is not more than 5cm, the driver comprises a driving motor, a pinion and a bull gear, the bull gear is sleeved on the lower half section of the fixed clamping barrel, the pinion is connected to the side of the fixed clamping barrel and located above the bottom tray, the driving motor is arranged above the bottom tray in an inverted mode, and an output rotor of the driving motor is in transmission connection with the pinion.
Further, the contraction amount of the return spring is larger than the longest machining tool in the machining center.
Furthermore, the transition fixture is a pneumatic fixture, two clamping blocks are symmetrically welded on the clamping ends of the transition fixture, the clamping ends of the pneumatic fixture face the main shaft, all tooth grooves in the cutter mounting gear can be opposite to the pneumatic fixture one by one, an avoiding cylinder is installed above the pneumatic fixture, a piston shaft of the avoiding cylinder is in transmission connection with a cylinder body of the pneumatic fixture, and the pneumatic fixture is driven by the avoiding cylinder to be directly close to or far away from the main shaft.
Furthermore, the CCD camera is installed below the pneumatic clamp through a movable support, the irradiation end of the CCD camera faces the main shaft, the front end of the CCD camera is in hinged fit with the movable support through a rotating shaft, an angle motor is installed on the outer side of the movable support and is in transmission connection with the rotating shaft, a laser generator is arranged beside the CCD camera, and the irradiation direction of the laser generator is intersected with the irradiation direction of the CCD camera.
Further, an automatic opening and closing door is arranged on the outer side of the cutter storage bin, and an inverted air blower is arranged above the automatic opening and closing door.
Further, the detection tooth grooves are removed from all tooth grooves of the cutter-mounting gear, two arc-shaped clamping rings which are symmetrical up and down are respectively arranged in the other tooth grooves, the outer diameter of the fixing column is always larger than that of the machining cutter, two matched convex rings are arranged on the fixing column, and the distance between the two arc-shaped clamping rings in each tooth groove is equal to the distance between the two matched convex rings on each fixing column.
Has the advantages that: according to the automatic tool warehousing equipment for the machining center, all bar codes are different and are recorded into the controller; firstly, a cutter mounting gear with a detection tooth space can enable a detection groove to be always opposite to an automatic opening and closing door; then the tool changing manipulator in the machining center, the processing cutter that will change is delivered to the dress sword gear department that has the detection tooth's socket, material loading gas pole utilizes its piston shaft to support the lifter at tool changing manipulator during operation, and make it oppress reset spring and realize vertical activity, the purpose has promptly made the air guide chassis compelled to take decides clamp cylinder and end tray to implement to descend, after descending to reset spring's compression limit, tool changing manipulator delivers the processing cutter to in detecting the tooth's socket, then the piston rod of material loading gas pole implements to reset, the formula of returning utilizes above-mentioned step, make deciding clamp cylinder slowly pass the processing cutter, note here: the tool changing manipulator clamps a fixed column connected with the top end of a machining tool; the inner wall of the fixed clamping barrel passes through the processing cutter and corresponds to the fixed column, namely the inner wall of the fixed clamping barrel passes over the processing cutter; then the inflation pump works, and a high-pressure air source is injected into the annular air groove and the air guide cavity to be supplied to the plurality of annular air bags to expand, and the annular air bags contact the outer surface of the fixed column on the processing cutter to be clamped so as to be stably positioned in the fixed clamping cylinder; then the code scanner positioned right above the detection groove works to detect the independent bar codes on the fixed columns on the processing cutter and feed back the detection result to the controller, the controller calls corresponding cutter information according to the received signal, namely, the initial outer surface structure information of all the processing cutters is input into the controller, and a qualified range value is detected; through the correspondence of the bar codes, the controller calls corresponding reference information; then the cutter mounting gear rotates; and then reaches the CCD camera area, can rely on the driver to drive the fixed clamping cylinder which clamps the processing cutter; the processing tool is rotated, the CCD camera starts to fully capture information on the outer surface of the rotating processing tool by fully depending on the laser generator, and then the information is transmitted to the controller, and the controller calls corresponding reference information to perform comparison; if the machining tool is qualified, the tool loading gear continues to rotate to enable the tool loading gear to rotate to a corresponding transition clamp, then the transition clamp works to clamp a fixed column part in the machining tool, then the annular air bag is deflated to release the clamping force, then the avoidance cylinder works to promote the transition clamp to move, namely, the clamped machining tool is drawn out of a detection tooth groove, then the machining tool corresponding to the designated tooth groove of the machining tool rotates to the corresponding transition clamp, and then the transition clamp returns by means of the avoidance cylinder to deliver the machining tool to the corresponding tooth groove; moreover, because the types of the processing cutters are different and the shooting angles are naturally different, the CCD camera can rotate by depending on an angle motor, so that the irradiation angle of the CCD camera is matched with the different processing cutters; the automatic detection device can replace manual work to automatically detect the tools stored in the warehouse, so that the labor intensity of the manual work is reduced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a three-dimensional splitting structure according to the present invention;
FIG. 3 is a schematic view of a second three-dimensional splitting structure according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is an enlarged view of FIG. 3 at B;
FIG. 6 is a first schematic view of a partial three-dimensional split structure according to the present invention;
FIG. 7 is a first schematic plan view of the present invention;
FIG. 8 is a schematic diagram of a partial three-dimensional splitting structure according to the present invention;
FIG. 9 is a second schematic plan view of the present invention;
FIG. 10 is a third schematic plan view of the present invention;
FIG. 11 is a third schematic view of the partial three-dimensional split structure of the present invention;
FIG. 12 is a fourth schematic view of the partial three-dimensional split structure of the present invention; .
FIG. 13 is a fourth schematic plan view of the present invention;
description of reference numerals: and the code scanner 1 fixes the column 1 a.
The automatic feeding device comprises a main shaft 2, a lifting oil cylinder 2a, a feeding air rod 2b, a cutter mounting gear 2c, a spline shaft 2d and a servo motor 2 r.
The air guide device comprises a bottom tray 3, a fixed clamping cylinder 3a, a lifting rod 3b, an inflator pump 3c, an air guide chassis 3d, an air guide cavity 3t, a shaft hole 3q, a reset spring 3w, an annular air bag 3n and a flexible air pipe 3 m.
A driving motor 4, a small gear 4a and a big gear 4 b.
Avoiding the cylinder 5 and the transition clamp 5 a.
The device comprises a movable support 6, a CCD camera 6a, an angle motor 6b and a laser generator 6 c.
And a blower 7.
And an arc-shaped snap ring 8 matched with the convex ring 8 a.
The tool 9 is machined.
Detailed Description
The following detailed description of specific embodiments of the present invention is made with reference to the accompanying drawings and examples:
referring to fig. 1 to 13, an automatic tool warehousing device for a machining center comprises a tool storage bin, a lifting tool storage device arranged in the tool storage bin, a code scanner 1, a controller, a CCD camera 6a, a transition fixture 5a and a fixing column 1a, wherein the lifting tool storage device comprises a main shaft 2, a lifting oil cylinder 2a, a feeding air rod 2b and at least two tool mounting gears 2c sleeved on the main shaft 2, the main shaft 2 is vertically arranged in the tool storage bin, all tooth spaces of the two tool mounting gears 2c are respectively used for placing different machining tools 9, the tooth space specification of one tool mounting gear 2c is larger than that of other tooth spaces, the tooth spaces are detection tooth spaces, a clamping device capable of elastic movement is arranged in the detection tooth spaces, the lifting oil cylinder 2a is vertically arranged on the bottom wall of the tool storage bin, a piston shaft of the lifting oil cylinder is in transmission connection with the main shaft 2, the feeding air rod 2b is inversely arranged above the clamping device, and its piston shaft is used for driving the vertical activity of clamping device, and dress sword gear 2c is peripheral in proper order to CCD camera 6a and transition anchor clamps 5a, and bar code scanner 1 is the inversion and locates clamping device directly over, and CCD camera 6a, bar code scanner 1 all with controller electric connection, the quantity of fixed column 1a is a plurality to install respectively on a processing cutter 9 top, the top of every fixed column 1a is equipped with a bar code respectively.
The lifting type cutter storage device also comprises a spline shaft 2d and a servo motor 2r, wherein the spline shaft 2d is vertically hinged to the bottom wall in the cutter storage bin, the bottom end of the main shaft 2 is in inserted fit with the spline shaft 2d, the servo motor 2r is arranged at the bottom of the cutter storage bin, and an output rotor of the servo motor is in transmission connection with the spline shaft 2 d; the lifting oil cylinder 2a drives the main shaft 2 to do axial lifting motion by means of the spline shaft 2d, and then the two cutter mounting gears 2c are displaced, so that the two cutter mounting gears can correspond to the CCD camera 6a or the transition fixture 5a one by one. The servo motor 2r is used to drive the spline shaft 2d to rotate with the main shaft 2, so that the tooth grooves of the cutter-mounting gear 2c can move, and then receive different machining tools 9.
The clamping and fixing device comprises a bottom tray 3, a fixed clamping cylinder 3a, a lifting rod 3b, an inflator pump 3c and an air guide chassis 3d, wherein the fixed clamping cylinder 3a is vertically arranged in the detection tooth groove, the air guide chassis 3d is arranged below the fixed clamping cylinder 3a, an air guide cavity 3t is arranged between the inner wall and the outer wall of the lower half section of the fixed clamping cylinder 3a, the bottom end of the fixed clamping cylinder 3a is in hinged fit with one end of the air guide chassis 3d, the one end of the air guide chassis 3d is provided with a shaft hole 3q communicated with the inner wall of the fixed clamping cylinder 3a, the one end of the air guide chassis 3d is also provided with an annular air groove communicated with the air guide cavity 3t, the other end of the air guide chassis 3d extends towards the circle center of the cutter mounting gear 2c, the lifting rod 3b vertically penetrates through the cutter mounting gear 2c, the bottom end of the lifting rod 3b is fixedly connected with one end of the air guide chassis 3, a spring gasket is arranged at the upper end of the lifting rod 3b, a return spring 3w is arranged at the bottom of the spring gasket, two ends of the return spring 3w are respectively and elastically connected with the bottom of the spring gasket and the top of the cutter mounting gear 2c, the lifting rod 3b and a piston rod of the feeding air rod 2b are concentrically arranged, the bottom tray 3 is arranged at the middle section of the air guide chassis 3d, a driver is arranged on the bottom tray 3 and is in transmission connection with a fixed clamping cylinder 3a, a plurality of annular air bags 3n communicated with the interior of the air guide cavity 3t are arranged in the fixed clamping cylinder 3a, an inflator pump 3c is arranged at the top of the cutter mounting gear 2c, and the output end of the inflator pump is communicated with the interior of the annular air grooves; the tool changing manipulator in the machining center delivers a machining tool 9 to be changed to a tool mounting gear 2c with a detection tooth groove, the machining tool 9 is delivered into the detection tooth groove, and the machining fixture is subjected to transitional receiving by the clamping device, because the machining tool 9 is received and then transferred to the CCD camera 6a area, the machining tool 9 is detected, if the detection is qualified, the machining tool is put in a warehouse, and if the detection is not qualified, related workers are informed; in the specific receiving process, when the feeding air rod 2b works, the lifting rod 3b is abutted by a piston shaft of the feeding air rod 2b, and the lifting rod presses the reset spring 3w to realize vertical movement, namely, the purpose of promoting the air guide chassis 3d to be forced to drive the fixed clamping cylinder 3a and the bottom tray 3 to descend is realized, after the air guide chassis 3d descends to the compression limit of the reset spring 3w, the feeding air rod 2b is reset by a piston rod, the return type utilizes the steps, so that the fixed clamping cylinder 3a slowly penetrates through the machining tool 9, and the method is noted here: the tool changing manipulator clamps a fixing column 1a connected with the top end of a processing tool 9; the inner wall of the fixed clamping barrel 3a passes through the processing cutter 9 and then corresponds to the fixed column 1a, namely, the inner wall of the fixed clamping barrel passes over the processing cutter 9; then the inflator pump 3c works, and injects a high-pressure gas source into the annular gas groove and the gas guide cavity 3t to provide a plurality of annular gas bags 3n for expansion, and contacts the outer surface of the fixed column 1a on the processing cutter 9 to cause the fixed column to be clamped tightly, so that the fixed column is stably positioned in the fixed clamping cylinder 3 a; then, the rotation of the knife loading gear 2c can be accompanied; and then reaches the area of the CCD camera 6a, the fixed clamping cylinder 3a clamping the processing cutter 9 can be driven by a driver; the machining tool 9 is rotated to perform a detection operation.
The axial length of the fixed clamping barrel 3a is not more than 5cm, the driver comprises a driving motor 4, a pinion 4a and a gearwheel 4b, the gearwheel 4b is sleeved on the lower half section of the fixed clamping barrel 3a, the pinion 4a is coupled to the side of the fixed clamping barrel 3a and is positioned above the bottom tray 3, the driving motor 4 is arranged above the bottom tray 3 in an inverted manner, and an output rotor of the driving motor is in transmission connection with the pinion 4 a; the length of the fixed clamping cylinder 3a is limited, so that the fixed clamping cylinder is prevented from exceeding the fixed column 1a, namely the length of the fixed column 1a is larger than that of the fixed clamping cylinder 3 a; the working steps of the driver are as follows: the rotor of the driving motor 4 is used for moving, so that the small gear 4a and the large gear 4b are meshed, and the fixed clamping barrel 3a is rotated; and meanwhile, the bottom of the fixed clamping cylinder 3a is in hinged fit with the air guide chassis 3d, so that the fixed clamping cylinder 3a has hinged fixing force, and meanwhile, the communication of the annular air groove and the air guide cavity 3t cannot be obstructed.
The shrinkage of the return spring 3w is larger than the longest machining tool 9 in the machining center; by the arrangement, the positioning barrel can be lowered to the height suitable for all machining tools 9, namely, when the tool changing machine receives the tools to deliver the tools into the detection tooth grooves, the positioning barrel is also positioned below the tool changing machine even if the longest machining tool 9 is used, and therefore subsequent lifting and clamping work of the positioning barrel is facilitated.
The transition fixture 5a is a pneumatic fixture, two clamping blocks are symmetrically welded on a clamping end of the transition fixture, the clamping end of the pneumatic fixture faces the main shaft 2, all tooth grooves in the cutter mounting gear 2c can be opposite to the pneumatic fixture one by one, an avoidance cylinder 5 is installed above the pneumatic fixture, a piston shaft of the avoidance cylinder 5 is in transmission connection with a cylinder body of the pneumatic fixture, and the pneumatic fixture is driven by the avoidance cylinder 5 to be directly close to or far away from the main shaft 2; when the CCD camera 6a detects that the warehousing processing tool 9 is qualified, the tool mounting gear 2c rotates, the detected processing tool 9 corresponds to the transition clamp 5a, then the transition clamp 5a works to clamp the processing tool 9, then the avoidance cylinder 5 works to promote the transition clamp 5a to move, namely, the clamped processing tool 9 is pulled out of a detection tooth socket, then the designated tooth socket of the processing tool 9 is rotated to correspond to the transition clamp 5a, and then the transition clamp 5a is reset by the avoidance cylinder 5 to deliver the processing tool 9 to the corresponding tooth socket.
The CCD camera 6a is installed below the pneumatic clamp through a movable support 6, the irradiation end of the CCD camera 6a faces the spindle 2, the front end of the CCD camera 6a is hinged and matched with the movable support 6 through a rotating shaft, an angle motor 6b is installed on the outer side of the movable support 6, the angle motor 6b is in transmission connection with the rotating shaft, a laser generator 6c is arranged beside the CCD camera 6a, and the irradiation direction of the laser generator 6c is intersected with the irradiation direction of the CCD camera 6 a; because the types of the processing tools 9 are different and the shooting angles are naturally different, the CCD camera 6a can rotate by the angle motor 6b, so that the irradiation angle of the CCD camera is matched with the different processing tools 9; the laser generator 6c emits laser light to the surface of the machining tool 9 to be detected, and the detection work of the CCD camera 6a is further performed.
An automatic opening and closing door is arranged on the outer side of the knife storage bin, and an inverted air blower 7 is arranged above the automatic opening and closing door; the automatic opening and closing door is an electric door, and the acting force of the air blower 7 blows off waste residues on the outer surface of the machining tool 9 to be put into storage for detection, so that the internal environment of the tool storage bin is prevented from being polluted.
Removing detection tooth sockets from all tooth sockets of the cutter-mounting gear 2c, arranging two arc-shaped snap rings 8 which are symmetrical up and down in the other tooth sockets respectively, enabling the outer diameter of a fixed column 1a to be always larger than a machining cutter 9, arranging two matched convex rings 8a on the fixed column 1a, and enabling the distance between the two arc-shaped snap rings 8 in each tooth socket to be equal to the distance between the two matched convex rings 8a on each fixed column 1 a; the two arc-shaped snap rings 8 in each tooth groove are matched with the entering of a processing cutter 9, namely, a certain processing cutter 9 is matched with the two arc-shaped snap rings 8 by virtue of a fixed column 1a connected with the processing cutter 9; the method comprises the following steps: tooth grooves corresponding to the fixing column 1a and the processing tool 9, namely the corresponding tool mounting gear 2c rotates and then rises, so that the tooth grooves correspond to the horizontal height of the processing tool 9, namely the fixing column 1a on the processing tool 9 is right opposite to the tooth grooves at the moment, then the acting force of the air cylinder 5 is avoided, the processing tool 9 and the fixing column 1a are pushed into the tooth grooves, in the pushing process, the transition clamp 5a clamps the fixing column 1a, after the transition clamp enters, the two matched convex rings 8a on the fixing column 1a are respectively positioned on the upper surface of each arc-shaped snap ring 8 in the tooth grooves, namely the arc-shaped snap rings 8 support the matched convex rings 8a at the respective positions, and meanwhile, the outer surface of the fixing column 1a and the arc-shaped snap rings 8 form clamping matching.
The working principle is as follows: all the bar codes are different and are recorded into the controller; firstly, a cutter mounting gear 2c with a detection tooth groove can enable the detection groove to be always opposite to the automatic opening and closing door; then a tool changing manipulator in the machining center delivers a machining tool 9 to be changed to a tool loading gear 2c with a detection tooth space, when the tool changing manipulator works, a piston shaft of a feeding air rod 2b is used for abutting a lifting rod 3b and pressing a return spring 3w to realize vertical movement, namely, the purpose is that an air guide chassis 3d is forced to carry a fixed clamping cylinder 3a and a bottom tray 3 to descend, after the air guide chassis descends to the compression limit of the return spring 3w, the tool changing manipulator delivers the machining tool 9 to the detection tooth space, then a piston rod of the feeding air rod 2b is reset, and the fixed clamping cylinder 3a slowly penetrates through the machining tool 9 in a return mode by utilizing the steps, so that the method is noted: the tool changing manipulator clamps a fixing column 1a connected with the top end of a processing tool 9; the inner wall of the fixed clamping barrel 3a passes through the processing cutter 9 and then corresponds to the fixed column 1a, namely, the inner wall of the fixed clamping barrel passes over the processing cutter 9; then the inflator pump 3c works, and injects a high-pressure gas source into the annular gas groove and the gas guide cavity 3t to provide a plurality of annular gas bags 3n for expansion, and contacts the outer surface of the fixed column 1a on the processing cutter 9 to cause the fixed column to be clamped tightly, so that the fixed column is stably positioned in the fixed clamping cylinder 3 a; then the code scanner 1 located right above the detection groove works to detect the independent bar code on the fixed column 1a on the processing cutter 9 and feed back the detection result to the controller, the controller calls corresponding cutter information according to the received signal, namely, the initial outer surface structure information of all the processing cutters 9 is recorded into the controller, and a qualified range value is detected; through the correspondence of the bar codes, the controller calls corresponding reference information; then the cutter mounting gear 2c rotates; and then reaches the area of the CCD camera 6a, the fixed clamping cylinder 3a clamping the processing cutter 9 can be driven by a driver; the processing tool 9 is rotated, the CCD camera 6a fully depends on the laser generator 6c to fully capture information on the outer surface of the rotating processing tool 9, and then the information is transmitted to the controller, and the controller calls corresponding reference information to perform comparison; if the machining tool is qualified, the tool loading gear 2c continues to rotate to enable the tool loading gear to rotate to a corresponding transition clamp 5a, then the transition clamp 5a works to clamp a fixed column 1a in the machining tool 9 partially, then the annular air bag 3n is deflated to release the clamping force, then the avoidance cylinder 5 works to promote the transition clamp 5a to move, namely the clamped machining tool 9 is pulled out of a detection tooth groove, then the tooth groove corresponding to the appointed machining tool 9 rotates to the corresponding transition clamp 5a, and then the transition clamp 5a returns by means of the avoidance cylinder 5 to deliver the machining tool 9 to the corresponding tooth groove; and because the kind of processing cutter 9 is different, shoot the angle and is different naturally, so CCD camera 6a can be rotated depending on angle motor 6b, impel its illumination angle to accord with different processing cutters 9.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (8)
1. A cutter automatic warehousing device for a machining center comprises a cutter storage bin, a lifting cutter storage device, a code scanner (1), a controller, a CCD camera (6a), a transition fixture (5a) and a fixing column (1a), wherein the lifting cutter storage device is arranged in the cutter storage bin and comprises a main shaft (2), a lifting oil cylinder (2a), a feeding air rod (2b) and at least two cutter mounting gears (2c) sleeved on the main shaft (2), the main shaft (2) is vertically arranged in the cutter storage bin, all tooth grooves of the two cutter mounting gears (2c) are respectively used for placing different machining cutters (9), the tooth groove specification of one cutter mounting gear (2c) is larger than that of other tooth grooves, the tooth grooves are detection tooth grooves, elastic movable clamping devices are arranged in the detection tooth grooves, the lifting oil cylinder (2a) is vertically arranged on the bottom wall of the cutter storage bin, and a piston shaft of the lifting oil cylinder is in transmission connection with the main shaft (2), the feeding air rod (2b) is arranged above the clamping device in an inverted mode, a piston shaft of the feeding air rod is used for driving the clamping device to move vertically, the CCD camera (6a) and the transition clamp (5a) are sequentially arranged on the periphery of the knife loading gear (2c), the code scanner (1) is arranged right above the clamping device in an inverted mode, the CCD camera (6a) and the code scanner (1) are electrically connected with the controller, the number of the fixed columns (1a) is multiple, the fixed columns are respectively arranged at the top end of one machining cutter (9), and a bar code is respectively arranged at the top end of each fixed column (1 a);
the clamping and fixing device comprises a bottom tray (3), a fixed clamping cylinder (3a), a lifting rod (3b), an inflator pump (3c) and an air guide chassis (3d), wherein the fixed clamping cylinder (3a) is vertically arranged in a detection tooth socket, the air guide chassis (3d) is arranged below the fixed clamping cylinder (3a), an air guide cavity (3t) is formed between the inner wall and the outer wall of the lower half section of the fixed clamping cylinder (3a), the bottom end of the fixed clamping cylinder (3a) is in hinged fit with one end of the air guide chassis (3d), the one end of the air guide chassis (3d) is provided with a shaft hole (3q) communicated with the inner wall of the fixed clamping cylinder (3a), the one end of the air guide chassis (3d) is also provided with an annular air groove communicated with the air guide cavity (3t), the other end of the air guide chassis (3d) extends towards the circle center of a cutter mounting gear (2c), the lifting rod (3b) vertically penetrates through the cutter mounting gear (2c), the bottom of lifter (3b) is close the one end fixed connection of dress sword gear (2c) centre of a circle department with air guide chassis (3d), the spring gasket is installed to the upper end of lifter (3b), the bottom of spring gasket is provided with reset spring (3w), the both ends of reset spring (3w) respectively with the bottom of spring gasket and the top elastic connection of dress sword gear (2c), the piston rod of lifter (3b) and material loading air stem (2b) sets up with one heart, the middle section at air guide chassis (3d) is installed in end tray (3), install the driver on end tray (3), the driver is connected with deciding clamp (3a) transmission, be equipped with a plurality of annular gasbag (3n) that communicate in deciding clamp (3a) and air guide chamber (3t), install the top at dress sword gear (2c) pump (3c), and its output passes through flexible trachea (3m) and communicates in the annular gas groove.
2. The automatic tool warehousing equipment for the machining center according to claim 1, characterized in that: the lift type cutter storage device further comprises a spline shaft (2d) and a servo motor (2r), the spline shaft (2d) is vertically hinged to the bottom wall of the cutter storage bin, the bottom end of the main shaft (2) is in plug-in fit with the spline shaft (2d), the servo motor (2r) is arranged at the bottom of the cutter storage bin, and an output rotor of the servo motor is in transmission connection with the spline shaft (2 d).
3. The automatic tool warehousing equipment for the machining center according to claim 1, characterized in that: decide the axial length of pressing from both sides a section of thick bamboo (3a) and be no longer than 5cm, the driver includes driving motor (4), pinion (4a) and gear wheel (4b), gear wheel (4b) cover is established at the lower half section of deciding a section of thick bamboo (3a), pinion (4a) coupling is in deciding the side of pressing from both sides a section of thick bamboo (3a) to be in the top of end tray (3), driving motor (4) are the upside down top that is equipped with end tray (3), and its output rotor is connected with pinion (4a) transmission.
4. The automatic tool warehousing equipment for the machining center according to claim 1, characterized in that: the contraction quantity of the return spring (3w) is larger than the longest machining tool (9) in the machining center.
5. The automatic tool warehousing equipment for the machining center according to claim 1, characterized in that: transition anchor clamps (5a) are pneumatic fixture, and its centre gripping end symmetry welding has two grip blocks, pneumatic fixture's centre gripping end is towards main shaft (2), and all tooth's sockets in dress sword gear (2c) can be one by one just to pneumatic fixture, pneumatic fixture's top is installed and is dodged cylinder (5), dodge the piston shaft of cylinder (5) and pneumatic fixture's body of cylinder transmission and be connected, through dodging cylinder (5) drive pneumatic fixture can make its straight approach to or keep away from main shaft (2).
6. The automatic tool warehousing equipment for the machining center according to claim 5, characterized in that: CCD camera (6a) are installed in pneumatic fixture's below through movable support (6), the irradiation end of CCD camera (6a) is towards main shaft (2), the front end of CCD camera (6a) is through pivot and the articulated cooperation of movable support (6), angle motor (6b) are installed in the outside of movable support (6), angle motor (6b) are connected with the pivot transmission, the side of CCD camera (6a) is equipped with laser generator (6c), the irradiation direction of laser generator (6c) is crossing with the irradiation direction of CCD camera (6 a).
7. The automatic tool warehousing equipment for the machining center according to claim 1, characterized in that: an automatic opening and closing door is arranged on the outer side of the knife storage bin, and an inverted air blower (7) is arranged above the automatic opening and closing door.
8. The automatic tool warehousing equipment for the machining center according to claim 1, characterized in that: the detection tooth grooves are removed from all tooth grooves of the cutter-mounting gear (2c), two arc-shaped snap rings (8) which are symmetrical up and down are respectively arranged in the other tooth grooves, the outer diameter of each fixing column (1a) is always larger than a machining cutter (9), two matched convex rings (8a) are arranged on each fixing column (1a), and the distance between the two arc-shaped snap rings (8) in each tooth groove is equal to the distance between the two matched convex rings (8a) on each fixing column (1 a).
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| CN111992399A (en) * | 2019-09-28 | 2020-11-27 | 丽水市莲都区贝亿乐信息技术服务有限责任公司 | Automatic paint spraying and drying equipment for table vice |
| CN112045206B (en) * | 2020-09-10 | 2021-06-15 | 绍兴柯桥尼希纺织科技有限公司 | Equipment for automatically adjusting quantity of gaskets according to height of tool nose |
| CN112122980B (en) * | 2020-09-24 | 2022-03-18 | 郑州科技学院 | Tool magazine system of numerical control machine tool |
| CN117102876B (en) * | 2023-09-13 | 2024-04-02 | 杭州伺洋电子科技有限公司 | Cantilever type drilling tapping machine |
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| EP1493531A1 (en) * | 2003-07-02 | 2005-01-05 | Alfing Kessler Sondermaschinen GmbH | Device for separating a first room from an adjacent second room |
| KR20090102931A (en) * | 2008-03-27 | 2009-10-01 | 위아 주식회사 | Apparatus for clamping and unclamping tool for an automatic tool changer |
| CN204277656U (en) * | 2014-11-05 | 2015-04-22 | 德大机械（昆山）有限公司 | The checkout gear of grip unit on disc tool magazine |
| CN104985466B (en) * | 2015-07-21 | 2017-10-10 | 安徽科技学院 | A kind of thin wall work-piece machining support turntable |
| CN106002425B (en) * | 2016-07-18 | 2019-02-22 | 深圳市圆梦精密技术研究院 | A kind of linear type automatic tool changer and method |
| CN206509813U (en) * | 2016-12-28 | 2017-09-22 | 浙江速成精密机械有限公司 | The manipulator double card position chain-type tool magazine of milling machine |
| CN208067858U (en) * | 2018-01-26 | 2018-11-09 | 深圳市世工科技有限公司 | Numerically-controlled machine tool |
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