Servo tool magazine driving mechanism of machine tool

Abstract

The utility model discloses a servo tool magazine driving mechanism of a machine tool, which relates to the technical field of tool magazine transmission, and comprises a tool magazine, a driving shell arranged on one side of the tool magazine, a tool magazine mounting component, a tool magazine driving component, a locking disc transmission component and a sensor calibration component, wherein a plurality of tool grooves are formed in the tool magazine, tools are embedded in the tool grooves, and the tools and the tool grooves are locked through screws; the tool magazine is fixed on the index plate through a bolt, and the index plate is locked with the driving shaft through a screw. When the device is used for a period of time and the position of the inductor deviates, the calibration knob can be rotated to align to the calibration point again, then the calibration plate is driven to carry the inductor to return to the preset accurate position again, then the loosened screw is fastened to complete the calibration work, the calibration is simple and rapid, the calibration time is greatly shortened, and the calibration efficiency is improved. Normal work of the machine tool is prevented from being affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a knife library drive technology field, concretely is a machine tool servo knife library drive mechanism. BACKGROUND

[0002] Machine tool knife library drive mainly has mechanical type knife library motor, motor type knife library motor, servo knife library etc., wherein servo knife library drive is a kind of device using servo technology to control knife library movement, can accurately, quickly drive knife library to change tool according to the instruction of numerical control system, knife library is in the tool change by inductive switch sensing lock disc mobile position to judge whether the knife library is in the state of not locking, then start servo motor and drive knife library rotation to change tool;The screw of the inductive switch of existing servo knife library is often loose to cause its position to change after the long-time work of machine tool shaking, influence normal tool change of knife library, need to carry out the position calibration of tediousness again, influence machine tool working efficiency. UTILITARIAN CONTENT

[0003] The utility model provides a kind of machine tool servo knife library drive mechanism, with the advantage of quick calibration to improve working efficiency, to solve the position calibration problem of tediousness of existing equipment using instrument again.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of machine tool servo knife library drive mechanism, including knife library and the drive shell being located at the side of the knife library, further including knife library installation component, knife library drive component, lock disc transmission component and sensor calibration component, wherein:

[0005] A plurality of tool grooves are provided on the knife library, the tool grooves are fitted with tools, and the tools and the tool grooves are locked by screws.

[0006] The knife library is fixed on the index plate by bolts, the index plate is locked with the drive shaft by screws, the drive shaft is fixedly connected with the motor shaft, the motor shaft is installed on the servo motor, and the lock disc transmission component includes a lock disc.

[0007] The sensor calibration component includes a calibration knob, the top surface of the drive shell is provided with a sensing groove, a calibration plate is installed in the sensing groove, the calibration plate is penetrated by a sensor, one end of the calibration plate is fixedly connected with a tooth plate, the tooth plate is fitted with a fine adjustment gear and rotationally matched.

[0008] As a preferred technical solution of the utility model, the calibration knob is fixedly connected with the fine adjustment gear, the drive shell is provided with a drive hole, the drive hole is communicated with the sensing groove through a sensing hole, the sensor is located directly above the sensing hole, and the sensor is locked on the calibration plate by screws.

[0009] As a preferred technical scheme of the utility model, the knife library is equipped with a plurality of mounting holes, the knife library is penetrated by the bolt column, one end of the bolt column is embedded with the index plate.

[0010] As a preferred technical scheme of the utility model, the driving hole is a circular hole, one side of the driving hole is embedded with the female plate, and the female plate is fixed on the driving shell through bolts.

[0011] As a preferred technical scheme of the utility model, the index plate is equipped with a plurality of index teeth on one side edge, the female plate is equipped with a plurality of calibration teeth on one side edge, and the index teeth and the calibration teeth are arranged on the same vertical plane and symmetrically.

[0012] As a preferred technical scheme of the utility model, the locking disc is equipped with a plurality of locking teeth on one side edge, the grooves between the locking teeth are symmetrically arranged with the calibration teeth and the index teeth, and the locking disc is connected with the slide bar at both ends, and one end of the slide bar penetrates the inner wall of the driving hole and is slidingly matched.

[0013] As a preferred technical scheme of the utility model, one side of the driving hole is communicated with the transmission groove, one end of the slide bar is fixedly connected with the oil cylinder, the oil cylinder is fixed outside the transmission groove, the oil cylinder is connected with the oil pipe, and the servo motor is fixed on the driving shell through screws.

[0014] Compared with the prior art, when the sensor appears position deviation after the equipment is used for a period of time, the calibration knob can be rotated to re-align the calibration point, thereby driving the calibration plate to carry the sensor to return to the preset accurate position, then the loosened screws are fastened to complete the calibration work, the calibration is simple and fast, the calibration time is greatly reduced, and the normal work of the machine tool is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the internal structure diagram of the utility model;

[0017] Figure 3 It is the knife library structure schematic diagram of the utility model;

[0018] Figure 4 It is the index plate structure diagram of the utility model;

[0019] Figure 5 It is the locking disc transmission assembly structure schematic diagram of the utility model;

[0020] Figure 6 It is the driving shell structure diagram of the utility model;

[0021] Figure 7The utility model discloses a sensor calibration subassembly structure diagram.

[0022] In the drawing: 1, tool magazine;11, tool groove;12, tool;13, mounting hole;14, bolt column;2, drive shell;21, induction groove;22, drive through hole;23, mother plate;231, calibration tooth;3, tool magazine installation subassembly;31, bolt;32, index plate;321, index tooth;4, tool magazine drive subassembly;41, drive shaft;42, motor shaft;43, servo motor;5, locking disc transmission subassembly;51, locking disc;511, locking tooth;52, slide rod;53, transmission groove;54, oil cylinder;55, oil pipe;6, sensor calibration subassembly;61, calibration knob;62, calibration plate;63, inductor;64, tooth plate;65, fine adjustment gear;66, induction hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model. Embodiment one

[0024] Please refer to Figures 1-7 The utility model discloses a machine tool servo tool magazine drive mechanism, including tool magazine 1 and being located at one side of tool magazine 1 drive shell 2, still including tool magazine installation subassembly 3, tool magazine drive subassembly 4, locking disc transmission subassembly 5 and sensor calibration subassembly 6, wherein:

[0025] Tool magazine 1 is equipped with a plurality of tool grooves 11, and the tool groove 11 is embedded with a tool 12, and the tool 12 is locked with the tool groove 11 through a screw;

[0026] Please refer to the attached Figure 2 Tool magazine 1 is fixed on the index plate 32 through the bolt 31, and the index plate 32 is locked with the drive shaft 41 through a screw, and the drive shaft 41 is fixedly connected with the motor shaft 42, and the motor shaft 42 is installed on the servo motor 43, and the locking disc transmission subassembly 5 includes the locking disc 51, and specifically, the servo motor 43 drives the motor shaft 42 to rotate, and then drives the drive shaft 41 to rotate, and the drive shaft 41 drives the tool magazine 1 to rotate and change tools through the index plate 32;

[0027] The sensor calibration subassembly 6 includes the calibration knob 61, and the drive shell 2 top is equipped with the induction groove 21, and the induction groove 21 is installed with the calibration plate 62, and the calibration plate 62 is penetrated by the inductor 63, and one end of the calibration plate 62 is fixedly connected with the tooth plate 64, and the tooth plate 64 is embedded with the fine adjustment gear 65 and rotates with cooperation.

[0028] The calibration knob 61 is fixedly connected with the fine adjustment gear 65, the driving housing 2 is provided with the driving through hole 22, the driving through hole 22 is communicated with the induction groove 21 through the induction hole 66, the inductor 63 is arranged directly above the induction hole 66, and the inductor 63 is locked on the calibration plate 62 through a screw.

[0029] In the embodiment, the calibration knob 61 is rotated to re-align the calibration point, the calibration knob 61 drives the fine adjustment gear 65 to rotate, the fine adjustment gear 65 drives the toothed plate 64 to translate, and then drives the calibration plate 62 to carry the inductor 63 to re-return to the preset accurate position. Embodiment two

[0030] Based on the above embodiment 1, please refer to the attached Figure 3 、 Figure 4 、 Figure 5 and Figure 6 The tool magazine 1 is provided with a plurality of mounting holes 13, the tool magazine 1 is penetrated by the pin column 14, one end of the pin column 14 is embedded in the index plate 32, and the pin column 14 is used for reinforcing the connection of the tool magazine 1 and the index plate 32, so that the center height change of the tool magazine 1 during the tool clashing process is avoided.

[0031] The driving through hole 22 is a circular hole, and the driving through hole 22 is embedded with the female disc 23 on one side.

[0032] The index plate 32 is provided with a plurality of index teeth 321 on one side edge, the female disc 23 is provided with a plurality of calibration teeth 231 on one side edge, the index teeth 321 and the calibration teeth 231 are arranged on the same vertical plane and are symmetrically arranged, specifically, the accurate transposition of the tool is realized through the meshing of the index teeth 321 and the calibration teeth 231, and the calibration teeth 231 of the female disc 23 ensure that the index plate 32 will not be positionally deviated.

[0033] The locking disc 51 is provided with a plurality of locking teeth 511 on one side edge, the grooves between the locking teeth 511 are symmetrically arranged with the calibration teeth 231 and the index teeth 321, and the locking disc 51 is connected with the sliding rod 52 at both ends, and one end of the sliding rod 52 penetrates the inner wall of the driving through hole 22 and is slidingly matched.

[0034] The driving through hole 22 is communicated with the transmission groove 53 on one side, the oil cylinder 54 is fixedly connected with one end of the sliding rod 52, the oil cylinder 54 is fixed on the outer side of the transmission groove 53, the oil cylinder 54 is connected with the oil pipe 55, and the servo motor 43 is fixed on the driving housing 2 through a screw.

[0035] In the embodiment, the oil cylinder 54 drives the sliding rod 52 to slide forward, the sliding rod 52 drives the locking disc 51 to move in the driving through hole 22 to the side close to the tool magazine 1, and finally the locking disc 51 is used to lock the index plate 32 by simultaneously embedding the index teeth 321 of the index plate 32 and the calibration teeth 231 of the female disc 23, and then the tool magazine 1 is locked, so that it can be stably machined.

[0036] The working principle and use process of the utility model: first in processing tool change, servo motor 43 drives motor shaft 42 rotation, and then drive shaft 41 rotation in drive hole 22, drive shaft 41 drive tool magazine 1 rotation through index plate 32, tool 12 on tool magazine 1 rotation change position realizes stable tool change;

[0037] After tool change, numerical control system sends instruction operation oil pump from oil pipe 55 to oil cylinder 54, and then controls oil cylinder 54 telescoping, oil cylinder 54 drives slide rod 52 to slide forward, slide rod 52 drive locking disc 51 in drive hole 22 move to the side close to tool magazine 1, finally utilize locking tooth 511 on locking disc 51 embed index tooth 321 of index plate 32 and calibration tooth 231 of female disc 23 make index plate 32 lock, and then lock tool magazine 1, make it stable processing, when needing to change tool again, oil cylinder 54 drive locking disc 51 reverse motion, locking disc 51 release lock, when locking disc 51 pass through induction hole 66 below, excite inductor 63, and then feedback sensing data information to numerical control system, servo motor 43 is started from and completes tool change;

[0038] When the equipment is loose after a period of time use calibration plate 62, can rotate calibration knob 61 make it re-alignment calibration point, calibration knob 61 drive fine adjustment gear 65 rotation, fine adjustment gear 65 drive toothed plate 64 translation, and then drive calibration plate 62 carry inductor 63 return to the preset accurate position again, then fasten loose screw and complete calibration work, calibration is simple and fast, improves work efficiency.

Claims

1. A machine tool servo tool magazine drive mechanism comprising a tool magazine (1) and a drive housing (2) provided on one side of the tool magazine (1), characterized in that, Also include the knife library installation components (3), knife library drive components (4), locking disc transmission components (5) and sensor calibration components (6), wherein: The knife library (1) is provided with a plurality of tool grooves (11), the tool groove (11) is embedded with tool (12), the tool (12) is locked with tool groove (11) by screw; The knife library (1) is fixed on the index plate (32) by bolt (31), the index plate (32) is locked with drive shaft (41) by screw, the drive shaft (41) is fixedly connected with motor shaft (42), the motor shaft (42) is installed on the servo motor (43), the locking disc transmission assembly (5) includes locking disc (51); The sensor calibration assembly (6) includes calibration knob (61), the top surface of the drive shell (2) is provided with induction groove (21), the calibration plate (62) is installed in the induction groove (21), the calibration plate (62) is penetrated by the inductor (63), one end of the calibration plate (62) is fixedly connected with the tooth plate (64), the tooth plate (64) is embedded with the fine adjustment gear (65) and is rotationally matched.

2. A machine tool servo tool magazine drive mechanism according to claim 1, characterised in that: The calibration knob (61) is fixedly connected with the fine adjustment gear (65), the drive shell (2) is provided with a drive hole (22), the drive hole (22) is communicated with the induction groove (21) through the induction hole (66), the inductor (63) is arranged directly above the induction hole (66), and the inductor (63) is locked on the calibration plate (62) by screw.

3. A machine tool servo tool magazine drive mechanism according to claim 2, characterised in that: The knife library (1) is provided with a plurality of mounting holes (13), the knife library (1) is penetrated by the bolt column (14), one end of the bolt column (14) is embedded with the index plate (32).

4. A machine tool servo tool magazine drive mechanism according to claim 3, characterised in that: The drive hole (22) is a circular hole, one side of the drive hole (22) is embedded with the female disc (23), and the female disc (23) is fixed on the drive shell (2) by bolt (31).

5. A machine tool servo tool magazine drive mechanism according to claim 4 wherein: One side of the index plate (32) is provided with a plurality of index teeth (321), one side of the female disc (23) is provided with a plurality of calibration teeth (231), the index teeth (321) and the calibration teeth (231) are arranged on the same vertical plane and are symmetrically arranged.

6. A machine tool servo tool magazine drive mechanism according to claim 1 wherein: One side of the locking disc (51) is provided with a plurality of locking teeth (511), the recesses between the locking teeth (511) are symmetrically arranged with the calibration teeth (231) and the index teeth (321), and the locking disc (51) is connected with the slide rod (52) at both ends.

7. A machine tool servo tool magazine drive mechanism according to claim 6 wherein: One end of the slide rod (52) penetrates the inner wall of the drive hole (22) and is slidably matched. One side of the drive hole (22) is communicated with the transmission groove (53), one end of the slide rod (52) is fixedly connected with the oil cylinder (54), the oil cylinder (54) is fixed outside the transmission groove (53), the oil cylinder (54) is connected with the oil pipe (55), and the servo motor (43) is fixed on the drive shell (2) by screw.

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