CN220347204U

CN220347204U - Detachable cutter mechanism

Info

Publication number: CN220347204U
Application number: CN202322042365.8U
Authority: CN
Inventors: 孙中臣
Original assignee: Tianjin Jintongchang Technology Co ltd
Current assignee: Tianjin Jintongchang Technology Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-01-16
Anticipated expiration: 2033-08-01

Abstract

The utility model discloses a detachable cutter mechanism, wherein a main shaft is connected with a rack for driving the main shaft to move, a cutter is arranged on a shaft head, a detachable matched connecting male end and a detachable matched connecting female end are connected between the main shaft and the shaft head, the connecting male end and the connecting female end are in annular structures, the connecting female end is rotatably sleeved on the outer peripheral side of the end part of the main shaft, a plurality of inserting blocks are arranged on the inner peripheral wall of the connecting male end at equal intervals along the circumferential direction, the connecting male end is sleeved on the outer peripheral side of the end part of the shaft head and is inserted into the connecting female end along the shaft head, a plurality of positioning blocks are arranged on the outer peripheral wall of the connecting male end at equal intervals along the circumferential direction, a first interval for the corresponding inserting blocks to pass through is arranged between two adjacent positioning blocks, the inserting blocks pass through the first interval and are inserted into a second interval between the positioning blocks and the end face of the main shaft along with the rotation of the connecting female end, and the connecting male end and the connecting female end are arranged, so that the main shaft and the shaft head can be detachably arranged, when the cutter is required to be replaced, the main shaft and the shaft head are quickly detached, and the convenience of cutter replacement is ensured.

Description

Detachable cutter mechanism

Technical Field

The utility model relates to the field of machining equipment, in particular to a detachable cutter mechanism.

Background

The numerical control machining center is the equipment for machining mechanical parts commonly used at present, the intelligent operation of the numerical control machining center can save labor force, and the numerical control machining center has the advantage of high precision, and the main structure of the numerical control machining center comprises a control system, a moving main shaft and a shaft head (or a tool bit), and the existing machining center is usually in a mode that the main shaft and the shaft head are fixedly connected through bolts, so that the machining structural strength can be improved through the mode, and the service life and the machining precision are further guaranteed. However, in actual use, different shaft heads need to be replaced according to different machining parts, the structure for fixing the shaft heads through bolts needs to be detached and removed firstly when the shaft heads are detached and replaced, then a new shaft head is fixed through the bolts, the operation is complex, the efficiency is low, and the labor consumption is large. Therefore, a detachable cutter mechanism is needed, the replacement efficiency is high, and the connection strength of the spindle head and the spindle is ensured to be connected and fixed.

Disclosure of Invention

The utility model aims to provide a detachable cutter mechanism, which solves the problems in the prior art, and the main shaft and the shaft head can be detached by arranging the connecting male end and the connecting female end, so that the main shaft and the shaft head can be detached quickly when a cutter needs to be replaced, and convenience in replacing the cutter is ensured.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a detachable cutter mechanism, which comprises a spindle and a spindle head coaxially arranged with the spindle, wherein the spindle is connected with a rack for driving the spindle to move, a cutter is arranged on the spindle head, a detachable matched connection male end and a detachable matched connection female end are connected between the spindle and the spindle head, the connection male end and the connection female end are of annular structures, the connection female end is rotatably sleeved on the outer peripheral side of the end part of the spindle, a plurality of inserting blocks are arranged on the inner peripheral wall of the connection male end at equal intervals along the circumferential direction, the connection male end is sleeved on the outer peripheral side of the end part of the spindle head and inserted in the connection female end along with the spindle head, a plurality of positioning blocks are arranged on the outer peripheral wall of the connection male end at equal intervals along the circumferential direction, a first interval for the corresponding inserting blocks to pass through is arranged between two adjacent positioning blocks, and one side of each positioning block, which is far away from the spindle, is provided with a second interval communicated with the first interval, and the inserting blocks pass through the first interval and are inserted into the second interval after rotating along with the connection female end.

Preferably, the insert block and the second space are in a wedge-shaped structure with structural fit.

Preferably, the main shaft is attached to the end face of the shaft head, a plurality of pairs of positioning pins and positioning holes which are inserted mutually are arranged between the main shaft and the end face of the shaft head, and the positioning pins and the positioning holes are equally spaced and encircling the outer peripheral side of the axis of the main shaft.

Preferably, the spindle is provided with a first gear ring structure coaxial with the spindle, the spindle head is provided with a second gear ring structure coaxial with the spindle head, and the first gear ring structure and the second gear ring structure are in butt joint engagement along the axial direction of the spindle.

Preferably, the first ring gear structure is located at a position between each pair of the locating pins and the locating holes and the connection female end.

Preferably, the second ring gear structure is located at a position between each pair of the locating pins and the locating holes and the connecting male end.

Preferably, a hydraulic oil hole is detachably communicated between the main shaft and the end face of the shaft head.

Preferably, a plurality of contact inductors are arranged between the main shaft and the end face of the shaft head, the contact inductors are equally spaced around the outer peripheral side of the axis of the main shaft, and the male end and the female end of the contact inductors are respectively arranged on the main shaft and the shaft head and are contacted with each other after being installed in place along with the main shaft and the shaft head.

Preferably, the male end of the contact inductor is in a convex structure, and the female end of the contact inductor is in a groove structure matched with the male end of the contact inductor in structure.

Preferably, the shaft center of the shaft head is rotationally connected with a transmission shaft coaxial with the shaft head, the transmission shaft protrudes out of the end face of the shaft head, the shaft center of the main shaft is provided with a shaft hole in insertion fit with the transmission shaft, and a meshing gear in transmission connection is arranged between the transmission shaft and the shaft hole.

Preferably, the main shaft is matched with a portal frame installed on the main shaft, and a moving mechanism for driving the main shaft to move along the horizontal direction is arranged on the portal frame.

Compared with the prior art, the utility model has the following technical effects:

first, owing to be equipped with the public end of connection and connect female end between main shaft and spindle nose, then when main shaft and spindle nose cooperation are connected, utilize the public end of connection to take the spindle nose grafting inside connecting female end, and connect the first interval between two adjacent locating pieces of inserting on the female end, rotate along with connecting female end and peg graft in the second interval between locating piece and the spindle nose terminal surface, realize the connection public end and connect the detachable connection of female end, and then realize the detachable connection between main shaft and the spindle nose, then when need changing the cutter, only need with main shaft and spindle nose through connect public end and connect female end split or connect can, the convenience to the cutter change has been guaranteed.

And secondly, the insert block and the second interval are in a wedge-shaped structure with structural adaptation, and the compact type of combination between the insert block and the second interval is ensured through the wedge-shaped structure cooperation between the insert block and the second interval, so that the compact type of connection between the spindle and the spindle head is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the shaft head in FIG. 1;

FIG. 3 is a schematic view of the spindle structure of FIG. 1;

FIG. 4 is a schematic view of a shaft head according to another embodiment of the present utility model;

FIG. 5 is an expanded view of the insert and the positioning block of the present utility model after mating;

the device comprises a 1-main shaft, a 2-shaft head, a 3-second gear ring structure, a 4-connecting male end, a 5-positioning block, a 6-first interval, a 7-wiring terminal, an 8-positioning pin, a 9-hydraulic oil hole, a 10-second interval, an 11-positioning ring, a 12-transmission shaft, a 13-first meshing gear, a 14-first gear ring structure, a 15-shaft hole, a 16-second meshing gear, a 17-positioning hole, a 18-contact type inductor male end, a 19-contact type inductor female end and a 20-inserting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

As shown in fig. 1 to 4, this embodiment provides a detachable cutter mechanism, including main shaft 1 and with the spindle nose 2 of main shaft 1 coaxial arrangement, main shaft 1 is connected with the frame that drives its removal, install the cutter on spindle nose 2, be connected with detachable complex connection public end 4 and connection female end between main shaft 1 and the spindle nose 2, connection public end 4 and connection female end all are the annular structure, connection female end rotates the periphery side of cup jointing the tip at main shaft 1, and circumference equidistant on its inner peripheral wall is equipped with a plurality of inserts 20, connection public end 4 cup joints the periphery side of spindle nose 2 tip, and peg graft in connection female end along with spindle nose 2, circumference equidistant on the outer peripheral wall of connection public end 4 is equipped with a plurality of locating pieces 5, have between two adjacent locating pieces 5 and supply corresponding insert piece 20 to pass first interval 6, one side that locating piece 5 kept away from main shaft 1 is equipped with locating ring 11, locating piece 11 encircles on the periphery wall of spindle nose 2, and locating ring 11 and each insert the second interval 10 and rotate with second interval 10 after inserting in the second interval 10. Because the connection male end 4 and the connection female end are arranged between the main shaft 1 and the shaft head 2, when the main shaft 1 and the shaft head 2 are in matched connection, the connection male end 4 is utilized to be inserted into the connection female end with the shaft head 2, an insertion block 20 on the connection female end penetrates through a first interval 6 between two adjacent positioning blocks 5, rotates along with the connection female end and is inserted into a second interval 10 between the positioning blocks 5 and the end face of the shaft head 2, the connection male end 4 and the connection female end are detachably connected, and further the main shaft 1 and the shaft head 2 are detachably connected, so that when a cutter is required to be replaced, the main shaft 1 and the shaft head 2 are only required to be detached or connected through the connection male end 4 and the connection female end, and convenience in cutter replacement is ensured.

As shown in fig. 5, the insert 20 and the second space 10 are in a wedge structure with a structure adapted, and the connection tightness between the spindle 1 and the spindle head 2 is ensured by the cooperation of the wedge structure between the insert 20 and the second space 10.

And, main shaft 1 is laminated with the terminal surface of spindle nose 2, and is equipped with a plurality of pairs of locating pin 8 and the locating hole 17 of pegging graft between the terminal surface of main shaft 1 and spindle nose 2, and each pair of locating pin 8 and locating hole 17 equidistant encircle the periphery side at the main shaft 1 axle center to through the grafting cooperation between locating pin 8 and the locating hole 17, in the in-process of main shaft 1 and spindle nose 2 connection, carry out the location direction through locating pin 8 and locating hole 17, guarantee the correct connection between the two. It should be noted that a connection terminal 7 is inserted between the end surfaces of the spindle 1 and the spindle head 2, and when the positioning pin 8 and the positioning hole 17 are in insertion fit, the connection terminal 7 between the spindle 1 and the spindle head 2 is also inserted synchronously so as to supply power to the spindle head 2. Further, a plurality of corresponding hydraulic holes are arranged between the end faces of the main shaft 1 and the shaft head 2, and after the end faces of the main shaft 1 and the shaft head 2 are in butt joint, the hydraulic holes are communicated to finish hydraulic pressure transmission between the main shaft 1 and the shaft head 2.

Further, the spindle 1 is provided with a first gear ring structure 14 coaxial with the spindle, the first gear ring structure 14 is preferably detachably connected to the spindle 1 through bolts and the like, the spindle head 2 is provided with a second gear ring structure 3 coaxial with the spindle head, the second gear ring structure 3 is preferably detachably connected to the spindle head 2 through bolts and the like, the first gear ring structure 14 and the second gear ring structure 3 are in butt joint engagement along the axial direction of the spindle, the peripheral profiles of the first gear ring structure 14 and the second gear ring structure 3 are matched, the engaged positions of the first gear ring structure 14 and the second gear ring structure 3 are the end faces of the first gear ring structure 14 and the second gear ring structure 3, and stable positioning in the circumferential direction is formed after the engagement between the first gear ring structure 14 and the second gear ring structure 3, so that when the spindle head 2 is used, the connection stability between the spindle head 1 and the spindle is prevented from being influenced by rotation. Moreover, the first gear ring structure 14 is positioned between each pair of the positioning pins 8 and the positioning holes 17 and the connecting female end, the second gear ring structure 3 is positioned between each pair of the positioning pins 8 and the positioning holes 17 and the connecting male end 4, and then the engagement of the first gear ring structure 14 and the second gear ring structure 3 does not interfere the plug-in fit of the positioning pins 8 and the positioning holes 17 and does not affect the alignment running fit of the connecting male end 4 and the connecting female end.

The end faces of the spindle 1 and the spindle head 2 are detachably communicated with each other, a plurality of oil outlet holes which are staggered with the positioning pins, the positioning holes and the like are formed in the end face of the spindle 1, so that interference with the positioning pins or the positioning holes in mounting or matching positions is avoided, the oil outlet holes 9 are the oil outlet holes formed in the end face of the spindle 1 and the oil inlet holes formed in the end face of the spindle head 2, after the spindle 1 and the spindle head 2 are in butt joint and matched with each other, the corresponding oil outlet holes are in butt joint and communicated with the oil inlet holes, sealing rings are arranged between the corresponding oil outlet holes and the oil inlet holes, so that oil leakage is avoided, a hydraulic mechanism for clamping a cutter is arranged on the specific spindle head 2, such as a hydraulic chuck and the like, hydraulic oil can be supplied to the hydraulic chuck through the corresponding oil outlet holes and the oil inlet holes, a plurality of lubricating oil holes are detachably communicated with the end faces of the spindle 1 and the spindle head 2, the lubricating oil supply pipeline is communicated with the bearing on the spindle head 2, the bearing on the spindle head 2 is further used for supplying lubricating oil, and the bearing is prevented from volatilizing due to the bearing lubricating oil for a long time, and the service life of the bearing is shortened.

As a preferred embodiment of the utility model, a plurality of contact type inductors are arranged between the end surfaces of the main shaft 1 and the spindle head 2, the contact type inductors are equally spaced around the periphery side of the axis of the main shaft 1, the male end 18 of the contact type inductor and the female end 19 of the contact type inductor are respectively arranged on the main shaft 1 and the spindle head 2 and are contacted with each other after the main shaft 1 and the spindle head 2 are assembled in place, the male end and the female end of the contact type inductor are contacted with each other after the main shaft 1 and the spindle head 2 are spliced and matched in place, signals are transmitted through a wire harness, so that the main shaft 1 and the spindle head 2 are connected in place, and once the connecting surface between the main shaft 1 and the spindle head 2 is inclined or misaligned, the contact type inductors always do not send out signals matched in place until the main shaft 1 and the spindle head 2 are connected in place, and the reliability of the connecting strength between the main shaft 1 and the spindle head 2 is ensured.

Further, the male end of the contact inductor is of a convex structure, and the female end of the contact inductor is of a groove structure matched with the male end of the contact inductor in structure, so that plug-in fit between the male end and the female end is formed, and stability of connection between the male end and the female end is guaranteed.

Preferably, the shaft center of the shaft head 2 is rotationally connected with a transmission shaft 12 coaxial with the shaft head, the transmission shaft 12 protrudes out of the end face of the shaft head 2, the shaft center of the main shaft 1 is provided with a shaft hole 15 which is in plug-in fit with the transmission shaft 12, and a meshing gear in transmission connection is arranged between the transmission shaft 12 and the shaft hole 15 so as to realize the transmission of the cutter of the shaft head 2 through the transmission connection between the transmission shaft 12 and the shaft hole 15. The spindle head 2 and the spindle 1 are preferably detachably matched only through the male end 4 and the female end, power supply is realized through the connecting terminal 7, a driving motor and the like are arranged on the spindle head 2, and the driving mechanism of the spindle head 2 is utilized to complete driving of the cutter. The end of the preferred transmission shaft 12 is sleeved with a first meshing gear 13, the peripheral wall of the first meshing gear ring is provided with meshing teeth, a second meshing gear 16 is coaxially inserted in the shaft hole 15, the inner peripheral wall of the second meshing gear 16 is provided with meshing teeth, and the first meshing gear 13 is inserted in the second meshing gear 16 along with the transmission shaft 12 to complete meshing transmission between the first meshing gear and the second meshing gear.

In addition, the main shaft 1 is matched with a portal frame which is arranged on the main shaft 1, and a moving mechanism which drives the main shaft 1 to move along the horizontal direction is arranged on the portal frame, so that the position adjustment of the main shaft 1 and the shaft head 2 is completed through the moving mechanism.

The adaptation to the actual need is within the scope of the utility model.

It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. The utility model provides a detachable cutter mechanism, its characterized in that includes the main shaft and with the spindle nose that the main shaft coaxial set up, the main shaft is connected with the frame that drives its removal, install the cutter on the spindle nose, the main shaft with be connected with detachable complex between the spindle nose and connect public end and connect female end, connect public end with connect female end all to be cyclic annular structure, connect female end rotation cup joint in the periphery side of main shaft tip, and on its inner peripheral wall along circumference equidistant be equipped with a plurality of inserts, connect public end suit in the periphery side of spindle nose tip, and peg graft along with the spindle nose in the connection female end, connect public end along circumference equidistant be equipped with a plurality of locating pieces on the outer peripheral wall, two adjacent have between the locating piece and supply corresponding the insert passes first interval, the locating piece keep away from one side of main shaft be equipped with the second interval that first interval is linked together, the insert passes first interval, and follow connect female end rotation back in the second interval.

2. The removable cutter mechanism of claim 1, wherein the insert is in a wedge-shaped configuration with the second space.

3. The detachable cutter mechanism according to claim 1 or 2, wherein the main shaft is attached to the end face of the shaft head, a plurality of pairs of positioning pins and positioning holes which are inserted mutually are arranged between the main shaft and the end face of the shaft head, and each pair of positioning pins and positioning holes are surrounded on the outer peripheral side of the shaft center of the main shaft at equal intervals.

4. A detachable cutter mechanism according to claim 3, wherein the spindle is provided with a first gear ring structure coaxial therewith, the spindle head is provided with a second gear ring structure coaxial therewith, and the first gear ring structure and the second gear ring structure are in abutting engagement axially along the spindle.

5. The removable cutter mechanism of claim 4 wherein the first ring gear structure is located at a position between each pair of the locating pins and the locating holes and the connecting pin end and the second ring gear structure is located at a position between each pair of the locating pins and the locating holes and the connecting pin end.

6. The detachable cutter mechanism according to claim 5, wherein a hydraulic oil hole is detachably communicated between the main shaft and the end face of the shaft head.

7. The detachable cutter mechanism according to claim 6, wherein a plurality of contact type inductors are arranged between the main shaft and the end face of the shaft head, the contact type inductors are equally spaced around the outer peripheral side of the shaft center of the main shaft, and the male end and the female end of the contact type inductors are respectively arranged on the main shaft and the shaft head and are contacted with the main shaft and the shaft head after being installed in place.

8. The detachable cutter mechanism of claim 7, wherein the male end of the contact sensor is of a convex configuration and the female end of the contact sensor is of a groove configuration adapted to the configuration thereof.

9. The detachable cutter mechanism according to claim 8, wherein a transmission shaft coaxial with the shaft head is rotatably connected at the shaft center of the shaft head, the transmission shaft protrudes out of the end face of the shaft head, a shaft hole in plug-in fit with the transmission shaft is arranged at the shaft center of the main shaft, and a meshing gear in transmission connection is arranged between the transmission shaft and the shaft hole.

10. The detachable cutter mechanism according to claim 8, wherein the spindle is provided with a portal frame mounted thereto, and a moving mechanism for driving the spindle to move in a horizontal direction is provided on the portal frame.