Full-automatic tool changing system for high-speed cutting machine
The fully automatic tool changer system utilizes lifting, rotating, and quick-change mechanisms to automate tool replacement and position detection, solving the problems of low efficiency in manual tool head replacement and tool distance adjustment, and improving replacement efficiency and accuracy.
Patent Information
- Application Number
- CN202311324787.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-12
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2043-10-12
AI Technical Summary
Manually changing various cutting heads and manually adjusting the distance between the cutting head and the cutting table is inefficient.
The system employs a fully automatic tool changer, which includes a tool changer head, a lifting tool magazine, a moving crossbeam, and a tool setting device. The lifting and rotating devices enable automatic lifting and rotation of the tools, while the quick-change device enables tool gripping, locking, and disassembly. Electric slip rings and a multi-circuit rotating device prevent entanglement of electrical and pneumatic circuits, and the tool setting device detects the distance between the tool and the cutting table.
It achieves automated tool changing and position detection, avoiding the inefficiency of manual changing and adjustment, and improving changing efficiency and accuracy.
Smart Images

Figure CN117301180B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of mechanical equipment, in particular to a full-automatic tool changing system for a high-speed cutting machine. BACKGROUND
[0002] During the operation of the automatic cutting machine, various cutting tool heads need to be frequently replaced, and the tool heads need to be driven by motors, so the tool heads need to be quickly installed, and the circuit needs to be quickly connected and disconnected to ensure that the motor driving the tool head can operate normally.
[0003] The existing tool head replacement method is still limited to manual replacement, but the speed of manually replacing various tool heads is slow, and the manual adjustment of the distance between the tool tip and the cutting table surface is not accurate enough, resulting in low efficiency of replacement.
[0004] Therefore, how to solve the problem of low efficiency of manually replacing various tool heads and manually adjusting the distance between the tool tip and the cutting table surface is a problem that needs to be solved by the technical personnel in the field at present. SUMMARY
[0005] The purpose of the present application is to provide a full-automatic tool changing system for a high-speed cutting machine, which can solve the problem of low efficiency of manually replacing various tool heads and manually adjusting the distance between the tool tip and the cutting table surface.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions:
[0007] A full-automatic tool changing system for a high-speed cutting machine, comprising:
[0008] The tool changing head comprises a lifting device, a rotating device, a quick changing device fixing seat, an electric slip ring and a multi-circuit rotating device, the lifting device and the rotating device are used for lifting and rotating the tool, the quick changing device fixing seat is provided with a quick changing device, the quick changing device is used for grabbing, locking and dismounting the tool, and the electric slip ring and the multi-circuit rotating device are used for preventing the circuit and / or air circuit from being wound;
[0009] The lifting tool magazine comprises a rack assembly, a lifting assembly, a tool setting seat and a tool, the lifting assembly is located inside the rack assembly and used for placing the tool, the tool setting seat is located at the end of the rack assembly, the tool setting seat is provided with a tool setting hole, and the tool setting hole is used for detecting the accurate position of the head drag plate relative to the lifting tool magazine;
[0010] The moving cross beam comprises a head drag plate, the tool changing head is installed on the head drag plate, and the lifting tool magazine is installed on one side of the moving cross beam;
[0011] The tool setting device is arranged at the end of the lifting tool magazine away from the moving cross beam and is used for detecting the distance between the tool tip and the cutting table surface.
[0012] As preferred, the lifting device comprises a first driving assembly, a first transmission assembly, and a linear slide rail assembly, the first transmission assembly is connected to the first driving assembly and the linear slide rail assembly, the first transmission assembly comprises a first gear, a second gear, and a ball screw, the second gear is connected to the first gear and the ball screw respectively, the ball screw is connected to the linear slide rail assembly, and the first driving assembly drives the linear slide rail assembly and the tool to move in the first direction.
[0013] As preferred, the rotating device comprises a second driving assembly and a second transmission assembly, the second transmission assembly is connected to the second driving assembly and the quick-change device, the second transmission assembly comprises a small pulley, a synchronous belt, and a large pulley, the synchronous belt is connected to the small pulley and the large pulley respectively, and the large pulley is connected to the quick-change device, the second driving assembly is used to drive the quick-change device to rotate, and the first driving assembly and the second driving assembly are connected with a solenoid valve.
[0014] As preferred, the quick-change device comprises a cylinder body, a piston rod, a spring assembly, a joint, and a positioning pin, the piston rod is arranged in the inner cavity of the cylinder body and moves in the first direction, an end of the piston rod is provided with a rolling element, and the rolling element moves in the radial direction of the cylinder body; the spring assembly is arranged at the top of the cylinder body and connected to the piston rod; the joint is arranged at the top of the cylinder body and communicates with the inner cavity of the cylinder body, and the positioning pin is used to limit the rotation of the tool relative to the quick-change device.
[0015] As preferred, the rack assembly comprises a rack body, an installation rack inner plate, a tool magazine cover, a detection switch, and a flip cover assembly, the installation rack inner plate is arranged inside the rack body and is used to install the lifting assembly; the tool magazine cover and the flip cover assembly are movably connected to the rack body; the detection switch is used to detect the position of the tool magazine cover; the flip cover assembly comprises a first cylinder, a first connecting block, a second connecting block, a rotating shaft, a key, a first connecting rod, and a second connecting rod, the first connecting rod and the second connecting rod are arranged at two ends of the tool magazine cover in a second direction, two ends of the first cylinder are connected to the first connecting block and the second connecting block respectively, the rotating shaft is connected to the two first connecting rods, the first connecting block is connected to the first connecting rod through the key, and the second direction is perpendicular to the first direction.
[0016] As preferred, the lifting tool magazine further comprises a second cylinder, the second cylinder is used to drive the lifting assembly to move in the first direction, the lifting assembly comprises a main bracket, a guide rail sliding block, a positioning support column, and a positioning support plate, the main bracket is movably connected to the guide rail sliding block, the positioning support column and the positioning support plate are used to support the tool, the positioning support plate is provided with a spring piece and a micro switch, the spring piece is used to clamp the tool, and the micro switch is used to detect the tool.
[0017] As preferred, the cutter comprises a lower cone, a motor base, a gear box and an eccentric transmission assembly, the lower cone is fixedly connected with the motor base, the lower cone is provided with a tensioning groove, a taper matching surface, an electrode mounting groove, an inner cavity and a mounting positioning hole, the tensioning groove comprises an upper limiting surface and a lower limiting surface, the tensioning groove and the taper matching surface are used for clamping with a quick-change device, the electrode mounting groove is provided with an electrode hole and a gas hole, and the electrode hole and the gas hole are respectively used for mounting an electrode and a power supply.
[0018] As preferred, the motor base is mounted with a cutter bracket, a motor and a cooling shunt, the cutter bracket is provided with a first positioning hole and a second positioning hole; the gear box is provided with a gear box end cover, a gear assembly, an oil guide slope and an oil groove, the gear assembly is connected with the main rotating shaft, a sealing gasket is arranged between the gear box end cover and the motor base, and the gear box end cover is provided with a first oil filling hole and an observation hole.
[0019] As preferred, the eccentric transmission assembly comprises a balance block, a third connecting block, a third connecting rod, a fourth connecting rod, a fourth connecting block and a cutter bar assembly, the main rotating shaft is connected with the third connecting rod and the fourth connecting rod respectively, and the fourth connecting rod is connected with the cutter bar assembly through the fourth connecting block.
[0020] As preferred, the cutter bar assembly comprises a cutter bar, a cutter bar sleeve, a shaft sleeve mounting piece, a cutter cylinder and a moving cutter pressing pad assembly, the cutter bar sleeve is sleeved on the cutter bar, the cutter bar sleeve is provided with an oil storage groove and a second oil filling hole, the shaft sleeve mounting piece is sleeved on the cutter bar sleeve, the cutter cylinder is sleeved on the shaft sleeve mounting piece, and the moving cutter pressing pad assembly is located at an end of the cutter cylinder away from the lower cone.
[0021] With respect to the above background, the full-automatic tool changing system for high-speed cutting machine provided by the application comprises a tool changing head, a lifting tool magazine, a moving cross beam and a tool setting device. The tool changing head comprises a lifting device, a rotating device, a quick changing device fixing seat, an electric slip ring and a multi-circuit rotating device. The lifting device and the rotating device are used for lifting and rotating the tool. The quick changing device fixing seat is provided with a quick changing device, which is used for grabbing, locking and dismounting the tool. The electric slip ring and the multi-circuit rotating device are used for preventing the circuit and / or air circuit from winding. The lifting tool magazine comprises a rack assembly, a lifting assembly, a tool setting seat and a tool. The lifting assembly is located inside the rack assembly and used for placing the tool. The tool setting seat is located at the end of the rack assembly and is provided with a tool setting hole, which is used for detecting the accurate position of the tool head relative to the lifting tool magazine. The moving cross beam comprises a tool head drag plate. The tool changing head is installed on the tool head drag plate. The lifting tool magazine is installed on one side of the moving cross beam. The tool setting device is arranged at the end of the lifting tool magazine away from the moving cross beam and is used for detecting the distance between the tool tip and the cutting table. Specifically, the lifting device and the rotating device of the tool changing head are used for lifting and rotating the tool. The electric slip ring and the multi-circuit rotating device are used for preventing the circuit and / or air circuit from winding. The quick changing device on the quick changing device fixing seat is used for grabbing, locking and dismounting the tool. The tool setting hole on the tool setting seat is used for detecting the accurate position of the tool head relative to the lifting tool magazine. The dismounted tool is placed in the empty lifting assembly under the driving of the lifting assembly of the lifting tool magazine. The tool to be replaced can be quickly grabbed by the quick changing device of the tool changing head under the driving of the lifting assembly of the lifting tool magazine. The tool changing head and the lifting tool magazine connected by the moving cross beam are matched, so that the tool can be automatically grabbed, locked and dismounted. The tool setting device is used for detecting the distance between the tool tip and the cutting table. In this way, the problems of low efficiency of manually replacing various tool heads and manually adjusting the distance between the tool tip and the cutting table can be avoided. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of the provided drawings.
[0023] Figure 1 The structural schematic diagram of the full-automatic tool changing system for high-speed cutting machine provided by the embodiment of the present application;
[0024] Figure 2 The structural schematic diagram of the tool changing head provided by the embodiment of the present application;
[0025] Figure 3 The structural schematic diagram of the tool changing head provided by the embodiment of the present application from another perspective;
[0026] Figure 4 A-A sectional view of the embodiment provided by the present application Figure 2 A-A sectional view of the embodiment provided by the present application
[0027] Figure 5 A-A sectional view of the embodiment provided by the present application Figure 2 A-A sectional view of the embodiment provided by the present application
[0028] Figure 6 Structural schematic diagram of the lifting tool magazine provided by the embodiment of the present application
[0029] Figure 7 A-A sectional view of the embodiment provided by the present application Figure 6 A-A sectional view of the embodiment provided by the present application
[0030] Figure 8 A-A sectional view of the embodiment provided by the present application Figure 6 A-A sectional view of the embodiment provided by the present application
[0031] Figure 9 Structural schematic diagram of the rack assembly provided by the embodiment of the present application
[0032] Figure 10 Structural schematic diagram of the lifting assembly provided by the embodiment of the present application
[0033] Figure 11 A-A sectional view of the embodiment provided by the present application Figure 6 A-A sectional view of the embodiment provided by the present application
[0034] Figure 12 A-A sectional view of the embodiment provided by the present application Figure 11 A-A sectional view of the embodiment provided by the present application
[0035] Figure 13 Structural schematic diagram of the tool provided by the embodiment of the present application
[0036] Figure 14 A-A sectional view of the embodiment provided by the present application Figure 13 A-A sectional view of the embodiment provided by the present application
[0037] Figure 15 Structural schematic diagram of the tool provided by the embodiment of the present application
[0038] Figure 16 Structural sectional view of the gear box provided by the embodiment of the present application
[0039] Figure 17 Structural sectional view of the tool provided by the embodiment of the present application
[0040] Figure 18 A-A sectional view of the embodiment provided by the present application Figure 17 A-A sectional view of the embodiment provided by the present application
[0041] Figure 19 A top view of the lower cone provided by the embodiment of the present application Figure 15 A top view of the lower cone provided by the embodiment of the present application
[0042] Figure 20 A structure schematic view of the lower cone provided by the embodiment of the present application
[0043] Figure 21 A structure schematic view of the lower cone provided by the embodiment of the present application
[0044] Figure 22 A structure schematic view of the lower cone provided by the embodiment of the present application
[0045] Figure 23 A structure schematic view of the lower cone provided by the embodiment of the present application Figure 22 A structure schematic view of the lower cone provided by the embodiment of the present application
[0046] Wherein:
[0047] 1000-tool changer head, 1110-first driving assembly, 1121-first gear, 1122-second gear, 1123-ball screw, 1130-linear slide rail assembly, 1210-second driving assembly, 1221-small pulley, 1222-synchronous belt, 1223-large pulley, 1230-solenoid valve, 1300-tool changer, 1310-cylinder body, 1320-piston rod, 1321-rolling element, 1330-spring assembly, 1340-joint, 1350-positioning pin, 1400-electric slip ring, 1500-multi-circuit rotating device, 1600-tool changer fixing seat
[0048] 2000-lifting tool magazine, 2100-tool, 2110-lower cone, 2111-tension slot, 2112-tapered fitting surface, 2113-electrode mounting slot, 2114-inner cavity, 2115-mounting positioning hole, 2116-upper limiting surface, 2117-lower limiting surface, 2118-electrode hole, 2119-air hole, 2120-motor seat, 2121-tool holder, 2122-motor, 2123-cooling shunt block, 2124-first positioning hole, 2125-second positioning hole, 2130-gear box, 2131-gear box end cover, 2132-gear assembly, 2133-oil guide slope, 2134-oil groove, 2135-main rotating shaft, 2136-sealing gasket, 2137-first oil filling hole, 2138-observation hole, 2141-balance block, 2142-third connecting block, 2143-third connecting rod, 2144-fourth connecting rod, 2145-fourth connecting block, 2151-tool bar, 2152-tool bar sleeve, 2153-shaft sleeve mounting piece, 2154-tool cylinder, 2155-moving tool pressing pad assembly, 2156-oil storage groove, 2157-second oil filling hole, 2160-driver assembly, 2210-rack body, 2220-mounting rack inner plate, 2230-tool magazine cover, 2240-detection switch, 2251-first air cylinder, 2252-first connecting block, 2253-second connecting block, 2254-rotating shaft, 2255-key, 2256-first connecting rod, 2257-second connecting rod, 2300-lifting assembly, 2310-main holder, 2320-guide rail slider, 2330-positioning support column, 2340-positioning support plate, 2341-spring piece, 2342-micro switch, 2400-tool setting seat, 2410-tool setting hole, 2500-second air cylinder;
[0049] 3000-moving cross beam, 3100-machine head drag plate;
[0050] 4000-tool setting device. DETAILED DESCRIPTION
[0051] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application.
[0052] In order to enable those skilled in the art to better understand the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments.
[0053] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left" and "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0054] The application aims to provide a full-automatic tool changing system for a high-speed cutting machine, which can avoid the problems of low efficiency of manual replacement of various tool heads and manual adjustment of the distance between the tool tip and the cutting table.
[0055] It should be noted that in the drawings, the direction of X is defined as the first direction, and the direction of Y is defined as the second direction, and the first direction and the second direction are perpendicular to each other.
[0056] To achieve the above-mentioned purpose, the present application provides the following technical solutions:
[0057] Please refer to Figures 1 to 5 The full-automatic tool changing system for a high-speed cutting machine provided in the embodiment comprises:
[0058] The tool changing head 1000 comprises a lifting device, a rotating device, a quick changing device fixing seat 1600, an electric slip ring 1400 and a multi-circuit rotating device 1500, the lifting device and the rotating device are used for lifting and rotating the tool 2100, the quick changing device fixing seat 1600 is provided with a quick changing device 1300, the quick changing device 1300 is used for grabbing, locking and dismounting the tool 2100, and the electric slip ring 1400 and the multi-circuit rotating device 1500 are used for preventing the circuit and / or air circuit from being wound.
[0059] Please refer to Figures 6 to 10 The lifting tool magazine 2000 comprises a rack assembly, a lifting assembly 2300, a tool setting seat 2400 and a tool 2100, the lifting assembly 2300 is located inside the rack assembly and used for placing the tool 2100, the tool setting seat 2400 is located at the end of the rack assembly, the tool setting seat 2400 is provided with a tool setting hole 2410, and the tool setting hole 2410 is used for detecting the accurate position of the head drag plate 3100 relative to the lifting tool magazine 2000.
[0060] Please refer to Figures 11 to 12Need to explain, the lifting assembly 2300 in the lifting tool magazine 2000 is multiple groups, different lifting assemblies 2300 correspond to different types of tools 2100, the tool holder 2400 in this embodiment is used for machine debugging, the debugging process is to load the mandrel on the tool changer 1000, adjust the position of the mandrel until the mandrel can be accurately inserted into the tool holder 2400, the tool changer 1000 after debugging can accurately move to the top of the tool 2100 in the subsequent tool changing process, in addition, the tool holder 2400 has a tool setting hole 2410, the tool setting hole 2410 is used to detect the accurate position of the head drag plate 3100 relative to the lifting tool magazine 2000.
[0061] Please refer to Figure 1 The moving beam 3000, including the head drag plate 3100, the tool changer 1000 is installed on the head drag plate 3100, and the lifting tool magazine 2000 is installed on one side of the moving beam 3000.
[0062] The tool setting device 4000 is arranged at the end of the lifting tool magazine 2000 away from the moving beam 3000, and is used to detect the distance of the tool tip of the tool 2100 relative to the cutting table.
[0063] It can be understood that the tool setting device 4000 is used to detect the distance of the tool tip of the tool 2100 relative to the cutting table, to ensure the safety of the tool 2100.
[0064] Specifically, the lifting device and the rotating device of the tool changer 1000 are used for lifting and rotating the tool 2100, the electric slip ring 1400 and the multi-circuit rotating device 1500 are used to prevent the circuit and / or air circuit from winding, the quick changing device 1300 on the quick changing device fixing seat 1600 is used for grasping, locking and dismounting the tool 2100, the tool setting hole 2410 on the tool holder 2400 is used to detect the accurate position of the head drag plate 3100 relative to the lifting tool magazine 2000, so that the dismounted tool 2100 is placed in the empty lifting assembly 2300 under the driving of the lifting assembly 2300 of the lifting tool magazine 2000, the tool 2100 that needs to be replaced can be quickly grasped by the quick changing device 1300 of the tool changer 1000 under the driving of the lifting assembly 2300 of the lifting tool magazine 2000, through the cooperation of the tool changer 1000 and the lifting tool magazine 2000 connected by the moving beam 3000, the tool 2100 can automatically realize grasping, locking and dismounting, and the tool setting device 4000 is used to detect the distance of the tool tip of the tool 2100 relative to the cutting table, so as to avoid the problems of low efficiency of manual replacement of various tool heads and manual adjustment of the distance of the tool tip of the tool 2100 relative to the cutting table.
[0065] Please refer to Figures 2 to 5Preferably, the lifting device comprises a first driving assembly 1110, a first transmission assembly, and a linear slide rail assembly 1130, the first transmission assembly is connected to the first driving assembly 1110 and the linear slide rail assembly 1130, the first transmission assembly comprises a first gear 1121, a second gear 1122, and a ball screw 1123, the second gear 1122 is connected to the first gear 1121 and the ball screw 1123 respectively, the ball screw 1123 is connected to the linear slide rail assembly 1130, and the first driving assembly 1110 drives the linear slide rail assembly 1130 and the tool 2100 to move in the first direction.
[0066] It can be understood that the first driving assembly 1110 drives the ball screw 1123 through the first gear 1121 and the second gear 1122, and then drives the tool 2100 connected to the linear slide rail assembly 1130 to rise and fall in the first direction.
[0067] Preferably, the rotating device comprises a second driving assembly 1210 and a second transmission assembly, the second transmission assembly is connected to the second driving assembly 1210 and the quick-change device 1300, the second transmission assembly comprises a small pulley 1221, a synchronous belt 1222, and a large pulley 1223, the synchronous belt 1222 is connected to the small pulley 1221 and the large pulley 1223 respectively, the large pulley 1223 is connected to the quick-change device 1300, the second driving assembly 1210 is used to drive the quick-change device 1300 to rotate, and the first driving assembly 1110 and the second driving assembly 1210 are connected with an electromagnetic valve 1230.
[0068] It can be understood that the second driving assembly 1210 drives the large pulley 1223 through the small pulley 1221 and the synchronous belt 1222, and then drives the quick-change device 1300 connected to the large pulley 1223 to rotate, in the embodiment, the quick-change device 1300 is used to connect the tool 2100, and then the rotating function of the tool 2100 is realized.
[0069] Preferably, the quick-change device 1300 comprises a cylinder body 1310, a piston rod 1320, a spring assembly 1330, a joint 1340, and a positioning pin 1350, the piston rod 1320 is arranged in the inner cavity of the cylinder body 1310 and moves in the first direction, the end of the piston rod 1320 is provided with a rolling element 1321 which moves in the radial direction of the cylinder body 1310, the spring assembly 1330 is arranged at the top of the cylinder body 1310 and connected to the piston rod 1320, the joint 1340 is arranged at the top of the cylinder body 1310 and communicates with the inner cavity of the cylinder body 1310, and the positioning pin 1350 is used to limit the rotation of the tool 2100 relative to the quick-change device 1300.
[0070] In the embodiment, the quick-change device 1300 is a single-acting cylinder with spring reset device. The piston rod 1320 of the cylinder body 1310 is provided with a rolling element 1321, preferably a steel ball. The steel ball is extruded into the annular tension groove 2111 of the tool 2100 through the taper at the lower end of the cylinder body 1310 to tension and clamp the tool 2100. When the tool 2100 needs to be removed, the cylinder needs to be vented, the piston rod 1320 moves downward, and then the steel ball is extruded out to the lower limit surface 2117 of the tension groove 2111 to release the tool 2100. When the tool 2100 needs to be replaced, the cylinder needs to be broken, the piston rod 1320 moves upward, and then the steel ball moves to the upper limit surface 2116 of the tension groove 2111 to clamp the quick-change device 1300 and the tool 2100. The annular tension groove 2111 of the tool 2100 is described below.
[0071] Preferably, the rack assembly includes a rack body 2210, an installation rack inner plate 2220, a tool magazine cover 2230, a detection switch 2240, and a flip cover assembly. The installation rack inner plate 2220 is located inside the rack body 2210 and is used to install the lifting assembly 2300. The tool magazine cover 2230 and the flip cover assembly are movably connected to the rack body 2210. The detection switch 2240 is used to detect the position of the tool magazine cover 2230. The flip cover assembly includes a first cylinder 2251, a first connecting block 2252, a second connecting block 2253, a rotating shaft 2254, a key 2255, a first connecting rod 2256, and a second connecting rod 2257. The first connecting rod 2256 and the second connecting rod 2257 are arranged at two ends of the tool magazine cover 2230 in a second direction. The two ends of the first cylinder 2251 are connected to the first connecting block 2252 and the second connecting block 2253, respectively. The rotating shaft 2254 is connected to the two first connecting rods 2256. The first connecting block 2252 is connected to the first connecting rod 2256 through the key 2255. The second direction is perpendicular to the first direction.
[0072] It can be understood that the rack assembly is provided with the tool magazine cover 2230, which is driven by the first cylinder 2251. The tool magazine cover 2230 and the first cylinder 2251 are connected through the first connecting rod 2256, the second connecting rod 2257, the first connecting block 2252, and the second connecting block 2253. The first connecting rod 2256 and the second connecting rod 2257 are specially designed to minimize the accommodation area of the tool magazine cover 2230. The first connecting rod 2256 is connected through the rotating shaft 2254, and the rotating shaft 2254 is connected to the first connecting rod 2256 through the key 2255, which ensures that the two first connecting rods 2256 can operate synchronously. The space inside the rack body 2210 can be used for circuit and gas path wiring, which is convenient for collective maintenance and replacement.
[0073] The lifting tool magazine 2000 is preferably provided with a second cylinder 2500 for driving the lifting assembly 2300 to move in the first direction, the lifting assembly 2300 comprising a main bracket 2310, a guide rail slider 2320, a positioning support column 2330 and a positioning support plate 2340, the main bracket 2310 being movably connected to the guide rail slider 2320, the positioning support column 2330 and the positioning support plate 2340 being used for supporting the tool 2100, the positioning support plate 2340 being provided with a spring piece 2341 and a micro switch 2342, the spring piece 2341 being used for clamping the tool 2100, and the micro switch 2342 being used for detecting the tool 2100.
[0074] The lifting assembly 2300 of the lifting tool magazine 2000 is driven by the second cylinder 2500 to move the main bracket 2310 up and down, so as to push out and retract the tool 2100, the cylinder driving has the advantages of simple and compact structure, and more importantly, the second cylinder 2500 is used for driving, so that the tool 2100 can be buffered to a certain extent, and damage to the tool 2100 during the retraction process of the tool 2100 is avoided. The main bracket 2310 is provided with the guide rail slider 2320 on one side, so as to ensure the position accuracy of the reciprocating movement of the main bracket 2310 up and down. The main bracket 2310 is provided with the positioning support column 2330 and the positioning support plate 2340, so as to ensure safe and accurate retraction during the retraction process of the tool 2100. The positioning support plate 2340 is provided with the spring piece 2341, which clamps the tool 2100, so as to prevent the tool 2100 from being displaced or falling off during the movement or movement of the whole machine. The positioning support plate 2340 is provided with the micro switch 2342, which is used for detecting whether the tool 2100 is placed at the position.
[0075] The tool 2100 preferably comprises a lower cone 2110, a motor seat 2120, a gear box 2130 and an eccentric transmission assembly, the lower cone 2110 being fixedly connected with the motor seat 2120, the lower cone 2110 being provided with a tensioning groove 2111, a taper matching surface 2112, an electrode mounting groove 2113, an inner cavity 2114 and a mounting positioning hole 2115, the tensioning groove 2111 comprising an upper limiting surface 2116 and a lower limiting surface 2117, the tensioning groove 2111 and the taper matching surface 2112 being used for clamping with the quick-change device 1300, the electrode mounting groove 2113 being provided with an electrode hole 2118 and an air hole 2119, the electrode hole 2118 and the air hole 2119 being respectively used for mounting an electrode and a power supply.
[0076] Please refer to Figures 13 to 17It can be understood that the motor seat 2120 is fixedly connected with the lower cone 2110 through screws, the lower cone 2110 is provided with a tensioning groove 2111, a taper matching surface 2112, an electrode mounting groove 2113, an inner cavity 2114 and a mounting positioning hole 2115, the inner cavity 2114 is used for wiring and an air pipe. The lower cone 2110 is provided with an air hole 2119 and an electrode hole 2118, and an electrode is mounted, the air hole 2119 is used for connecting an air source, and the electrode is used for introducing a power source.
[0077] Please refer to Figures 20 to 23 The tensioning groove 2111 of the lower cone 2110 cooperates with the quick-change device 1300, and the quick-change device 1300 reaches the upper limit surface 2116 of the tensioning groove 2111 in the tensioning process, reaches the tensioning steel ball top pressing position, at this time, the inner wall of the cylinder body 1310 is completely matched with the taper matching surface 2112 of the lower cone 2110, and the quick mounting is completed. The quick dismounting is also under the automatic pushing and pulling action of the quick-change device 1300, so that the steel ball moves to the lower limit surface 2117 of the tensioning groove 2111, reaches the tensioning steel ball disengaging position, realizes the complete disengagement of the quick-change device 1300 and the lower cone 2110, and then releases the whole tool 2100, and places the tool 2100 on the empty lifting assembly 2300, and completes the automatic taking and placing of the tool 2100.
[0078] Preferably, the motor seat 2120 is provided with a tool bracket 2121, a motor 2122 and a cooling shunt 2123, the tool bracket 2121 is provided with a first positioning hole 2124 and a second positioning hole 2125; the gear box 2130 is provided with a gear box end cover 2131, a gear assembly 2132, an oil guide slope 2133 and an oil groove 2134, the gear assembly 2132 is connected with a main rotating shaft 2135, a sealing pad 2136 is arranged between the gear box end cover 2131 and the motor seat 2120, and the gear box end cover 2131 is provided with a first oil filling hole 2137 and an observation hole 2138.
[0079] In the embodiment, the motor 2122 is mounted on the motor seat 2120 in a biased manner, the motor 2122 transmits power to the main rotating shaft 2135 through the gear box 2130, the gear assembly 2132 is arranged in the gear box 2130, the gear assembly 2132 is three gears, the gear bottom of the main rotating shaft 2135 is in contact with lubricating oil in the oil groove 2134, and oil mist can be generated during high-speed operation, so as to lubricate all gears in the gear box 2130, and the sealing pad 2136 is arranged between the gear box end cover 2131 and the motor seat 2120, so as to prevent lubricating oil from leaking, in addition, it should be noted that the driver assembly 2160 is also connected to the motor seat 2120, so as to ensure that the whole operation process is carried out smoothly.
[0080] It should be noted that the number of gears in the gear assembly 2132 can be adjusted according to actual conditions, as long as the above purposes can be achieved.
[0081] Referring to Figure 19 The tool holder 2121 is installed on the motor base 2120, and the first positioning hole 2124 and the second positioning hole 2125 are arranged on the tool holder 2121, so that the tool 2100 can be accurately guided into the automatic placing and lifting assembly 2300, a certain error is allowed, accurate positioning is performed after the guiding, and accurate taking and placing next time is ensured.
[0082] The gear box end cover 2131 is provided with an oil guiding slope 2133. Lubricating oil flows under the action of gravity in the manual taking and placing process. In the case of improper operation, the lubricating oil will be in other positions of the gear box 2130. After the oil guiding slope 2133 is added, as long as the tool 2100 is placed into the lifting assembly 2300 or the quick-change device 1300, the lubricating oil can be ensured to flow back into the oil groove 2134 at any time. The lubricating effect of the gears in the gear box 2130 can be ensured at any time. In addition, the gear box 2130 is provided with the first oil filling hole 2137 and the observation hole 2138, so that the lubricating oil can be added to the appropriate position.
[0083] Preferably, the eccentric transmission assembly includes a balance block 2141, a third connecting block 2142, a third connecting rod 2143, a fourth connecting rod 2144, a fourth connecting block 2145, and a tool bar assembly. The main rotating shaft 2135 is connected to the third connecting rod 2143 and the fourth connecting rod 2144, respectively. The fourth connecting rod 2144 is connected to the tool bar assembly through the fourth connecting block 2145.
[0084] In the embodiment, the main rotating shaft 2135 is installed at the lowermost end of the motor base 2120, and rotates at high speed under the action of the gears. The main rotating shaft 2135 is provided with the third connecting rod 2143 and the fourth connecting rod 2144. The main rotating shaft 2135 is an eccentric shaft. The upper end of the third connecting rod 2143 is provided with the balance block 2141. The balance block 2141 is hinged to the third connecting rod 2143 through the third connecting block 2142.
[0085] The cooling shunt block 2123 on the motor base 2120 is used to shunt the air source introduced by the lower cone 2110. A plurality of air outlet openings are arranged on the shunt block and face the bearings on the third connecting rod 2143 and the fourth connecting rod 2144, the bearing of the main rotating shaft 2135, and the bearing end of the motor 2122. A large amount of heat is easily generated in the process of high-speed movement. The cooling shunt block 2123 reasonably distributes the air flow, has a compact structure, and has a good cooling effect. The cooling shunt block 2123 can effectively take away a large amount of heat generated in the movement process, thereby improving the service life of the bearings and the motor 2122.
[0086] Referring to Figure 18Preferably, the cutter bar assembly comprises a cutter bar 2151, a cutter bar sleeve 2152, a shaft sleeve mounting member 2153, a cutter barrel 2154 and a moving cutter pressing pad assembly 2155, the cutter bar sleeve 2152 is sleeved on the cutter bar 2151, the cutter bar sleeve 2152 is provided with an oil storage groove 2156 and a second oil filling hole 2157, the shaft sleeve mounting member 2153 is sleeved on the cutter bar sleeve 2152, the cutter barrel 2154 is sleeved on the shaft sleeve mounting member 2153, and the moving cutter pressing pad assembly 2155 is located at the end of the cutter barrel 2154 away from the lower cone 2110.
[0087] In the embodiment, the fourth connecting rod 2144 drives the cutter bar 2151 at the lower end, the cutter bar 2151 is hinged with the fourth connecting rod 2144 through the fourth connecting block 2145, and the mirror image double-crank slider structure can effectively reduce centrifugal impact force in the movement process, reduce vibration, and further reduce noise, thereby improving system stability.
[0088] The cutter bar 2151 is in sliding contact with the cutter bar sleeve 2152, the cutter bar sleeve 2152 is provided with the oil storage groove 2156 and the second oil filling hole 2157, so that the cutter bar 2151 and the cutter bar sleeve 2152 can be kept fully lubricated at all times, the lubrication effect of the cutter bar sleeve 2152 and the cutter bar 2151 is improved, wear is reduced, and the service life of the cutter bar 2151 and the cutter bar sleeve 2152 is improved. The cutter bar sleeve 2152 is mounted on the shaft sleeve mounting member 2153, the shaft sleeve mounting member 2153 is mounted in the cutter barrel 2154, and the moving cutter pressing pad assembly 2155 is mounted outside the cutter barrel 2154.
[0089] In summary, the present application is a full-automatic tool changing system for a high-speed cutting machine, specifically, the lifting device and rotating device of the tool changing head 1000 are used for lifting and rotating the tool 2100, the electric slip ring 1400 and the multi-circuit rotating device 1500 are used for preventing the circuit and / or air circuit from winding, the quick changing device 1300 on the quick changing device fixing seat 1600 is used for grabbing, locking and dismounting the tool 2100, the tool setting hole 2410 on the tool setting seat 2400 is used for detecting the accurate position of the head drag plate 3100 relative to the lifting tool magazine 2000, when the quick changing device 1300 needs to change the tool 2100, the system transmits a tool changing instruction signal to the flip cover assembly, the tool magazine cover 2230 is opened under the action of the first air cylinder 2251, when the detection switch 2240 detects that the position indicates that the tool magazine cover 2230 is opened, the quick changing device 1300 can send out the original tool 2100, after the micro switch 2342 completes the detection of the position of the original tool 2100, the quick changing device 1300 can make the air cylinder body 1310 fall, so that the rolling part 1321 reaches the lower limit position surface 2117, the original tool 2100 is separated and then falls to the positioning support column 2330 and the positioning support plate 2340, and moves with the lifting assembly 2300 under the clamping of the elastic sheet 2341, the falling process of the original tool 2100 is completed, the electromagnetic valve 1230 of the control air cylinder body 1310 is reversed, the air cylinder is vented, and the spring assembly 1330 is reset, so as to pull up and clamp the new tool 2100, and complete the quick mounting process of the tool 2100, in short, the dismounted tool 2100 is placed in the empty tool 2100 lifting seat under the driving of the lifting assembly 2300 of the lifting tool magazine 2000, the tool 2100 to be replaced can be quickly grabbed by the quick changing device 1300 of the tool changing head 1000 under the driving of the lifting assembly 2300 of the lifting tool magazine 2000, through the cooperation of the tool changing head 1000 and the lifting tool magazine 2000 connected by the moving beam 3000, the tool 2100 can be automatically grabbed, locked and dismounted, the tool setting device 4000 is used for detecting the distance between the tool tip of the tool 2100 and the cutting table, in this way, the problems of low efficiency of manual replacement of various tool heads and manual adjustment of the distance between the tool tip of the tool 2100 and the cutting table can be avoided.
[0090] It should be noted that, in the present specification, the relationship terms such as first and second are only used to distinguish one entity from another entity, and do not necessarily require or imply any such actual relationship or order between the entities.
[0091] The above has carried out the detailed introduction to the provided embodiment of the present application. The principle and implementation mode of the present application are described by applying specific examples in this paper, and the above embodiment description is only used to help understand the method of the present application and its core idea. It should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the present application claims.
Claims
1. A full-automatic tool changing system for a high-speed cutting machine, characterized in that, The tool changer comprises a lifting device and a rotating device for lifting and rotating the tool, a quick-change device fixing seat in which a quick-change device is arranged for clamping and dismounting the tool, an electric slip ring and a multi-circuit rotating device for preventing the circuit and / or air circuit from winding; The lifting tool magazine comprises a rack assembly, a lifting assembly inside the rack assembly for placing the tool, and a tool setting seat at the end of the rack assembly, the tool setting seat being provided with a tool setting hole for detecting the accurate position of the tool changer relative to the lifting tool magazine; The moving beam comprises the tool changer and the lifting tool magazine installed on one side of the moving beam; The tool setting device is arranged at the end of the lifting tool magazine away from the moving beam for detecting the distance between the tool tip and the cutting table; The quick-change device comprises a cylinder body, a piston rod, a spring assembly, a joint and a positioning pin, the piston rod being arranged in the inner cavity of the cylinder body and moving in the first direction, the end of the piston rod being provided with a rolling element moving in the radial direction of the cylinder body, the spring assembly being arranged at the top of the cylinder body and connected with the piston rod, the joint being arranged at the top of the cylinder body and communicating with the inner cavity of the cylinder body, and the positioning pin being used to limit the rotation of the tool relative to the quick-change device; The lifting tool magazine is further provided with a second cylinder for driving the lifting assembly to move in the first direction, the lifting assembly comprising a main bracket movably connected with a guide rail sliding block, a positioning support column and a positioning support plate for supporting the tool, the positioning support plate being provided with a spring sheet and a micro switch, the spring sheet being used to clamp the tool, and the micro switch being used to detect the tool; The tool comprises a lower cone, a motor seat, a gear box and an eccentric transmission assembly, the lower cone being fixedly connected with the motor seat, the lower cone being provided with a tensioning groove, a taper matching surface, an electrode mounting groove, an inner cavity and a mounting positioning hole, the tensioning groove comprising an upper limiting surface and a lower limiting surface, the tensioning groove and the taper matching surface being used for clamping with the quick-change device, the electrode mounting groove being provided with an electrode hole and an air hole, and the electrode hole and the air hole being used for mounting an electrode and a power supply, respectively; The motor seat is provided with a tool bracket, a motor and a cooling shunt, the tool bracket being provided with a first positioning hole and a second positioning hole; The gear box is provided with a gear box end cover, a gear assembly, an oil guide slope and an oil groove, the gear assembly being connected with a main rotating shaft, a sealing gasket being arranged between the gear box end cover and the motor seat, and the gear box end cover being provided with a first oil filling hole and an observation hole. 2. The full-automatic tool changing system for high-speed cutting machine according to claim 1, characterized in that, The lifting device comprises a first driving assembly, a first transmission assembly and a linear slide rail assembly, the first transmission assembly is connected to the first driving assembly and the linear slide rail assembly, the first transmission assembly comprises a first gear, a second gear and a ball screw, the second gear is connected to the first gear and the ball screw respectively, the ball screw is connected to the linear slide rail assembly, and the first driving assembly drives the linear slide rail assembly and the tool to move in the first direction.
3. The full-automatic tool changing system for high-speed cutting machine according to claim 2, characterized in that, The rotating device comprises a second driving assembly and a second transmission assembly, the second transmission assembly is connected to the second driving assembly and the quick-change device, the second transmission assembly comprises a small pulley, a synchronous belt and a large pulley, the synchronous belt is connected to the small pulley and the large pulley respectively, the large pulley is connected to the quick-change device, and the second driving assembly is used for driving the quick-change device to rotate.
4. The full-automatic tool changing system for high-speed cutting machine according to claim 2, characterized in that, The rack assembly comprises: a rack body; an installation inner plate located inside the rack body, the installation inner plate being used for installing the lifting assembly; a tool magazine cover and a flip cover assembly movably connected to the rack body; a detection switch used for detecting the position of the tool magazine cover; the flip cover assembly comprises a first cylinder, a first connecting block, a second connecting block, a rotating shaft, a key, a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are arranged at two ends of the tool magazine cover in a second direction, two ends of the first cylinder are connected to the first connecting block and the second connecting block respectively, the rotating shaft is connected to the two first connecting rods, the first connecting block and the first connecting rod are connected through the key, and the second direction is perpendicular to the first direction.
5. The full-automatic tool changing system for high-speed cutting machine according to claim 2, characterized in that, The eccentric transmission assembly comprises a balance block, a third connecting block, a third connecting rod, a fourth connecting rod, a fourth connecting block and a tool bar assembly, the main rotating shaft is connected to the third connecting rod and the fourth connecting rod respectively, and the fourth connecting rod is connected to the tool bar assembly through the fourth connecting block.
6. The full-automatic tool changing system for high-speed cutting machine according to claim 5, characterized in that, The tool bar assembly comprises a tool bar, a tool bar sleeve, a shaft sleeve installation piece, a tool cylinder and a moving tool pressing pad assembly, the tool bar sleeve is sleeved on the tool bar, the tool bar sleeve is provided with an oil storage groove and a second oil filling hole, the shaft sleeve installation piece is sleeved on the tool bar sleeve, the tool cylinder is sleeved on the shaft sleeve installation piece, and the moving tool pressing pad assembly is located at an end of the tool cylinder away from the lower cone.
Citation Information
Patent Citations
Oversized-stroke machine head device
CN108748372A
Tool changing machining device
CN212371717U