CN213889849U

CN213889849U - Milling cutter dismouting work piece and device

Info

Publication number: CN213889849U
Application number: CN202022782748.5U
Authority: CN
Inventors: 郑万兴; 吴丽萍
Original assignee: Foshan City Gaoming District Senior Technical School
Current assignee: Foshan City Gaoming District Senior Technical School
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-06
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a milling cutter dismouting work piece and device, the dismouting work piece includes the holding ring and connects the rotating part on the holding ring, the rotating part is used for rotatory holding ring, the internal diameter of holding ring and lock nut's external diameter adaptation to it has a plurality of location lug to be equipped with one or be the circumference equipartition along the interior circle of holding ring, the constant head tank adaptation that the structure and the size of location lug all set up with lock nut, the phenomenon of dislocation can not appear when the dismouting to the dismouting work piece, has the accurate effect in location. Milling cutter dismouting device includes the base and sets up fixing base and the actuating mechanism on the base, still includes the dismouting work piece of being connected with the actuating mechanism transmission, milling cutter dismouting device can pass through the rotatory rotating part of actuating mechanism, and easy operation can realize automatic dismouting lock nut, great improvement work efficiency, reduces intensity of labour.

Description

Milling cutter dismouting work piece and device

Technical Field

The utility model relates to a handling instrument technical field, in particular to milling cutter dismouting work piece and device.

Background

When a machining center or a numerical control milling machine is used, a cutter is usually required to be assembled and disassembled or replaced, and the cutter is fixed on a cutter handle through a lock nut and a spring chuck, so the lock nut is required to be disassembled before disassembly, and then the cutter and the spring chuck can be removed for replacement. The locking nut is provided with a positioning groove, and the positioning groove is convenient for positioning and rotating the locking nut on the disassembling tool. The existing method for assembling and disassembling the locking nut is to fix the milling cutter handle on the tool disassembling seat and then manually disassemble the milling cutter handle by adopting a semicircular four-claw wrench. When the nut is disassembled, one clamping jaw on the wrench is used for positioning, and the wrench is pulled to rotate the locking nut. However, because the wrench jaw is not in one-to-one correspondence with the limiting groove of the lock nut, the jaw of the wrench is positioned, the defects of inconvenient operation, easy dislocation and low working efficiency exist, and the wrench is difficult to disassemble once the jaw is clamped in the positioning groove of the lock nut. In addition, after the cutter is used for a long time, the locking nut is firmly connected with the cutter handle, so that the locking nut cannot be detached by a wrench. It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's weak point, an object of the utility model is to provide a milling cutter dismouting work piece and device, it is inaccurate to fix a position when aiming at adopting spanner dismouting milling cutter among the solution prior art, and the dismouting is difficult to say big defect.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a milling cutter dismouting work piece, wherein, the dismouting work piece includes the holding ring and connects the rotating part on the holding ring, the rotating part is used for rotatory holding ring, the internal diameter of holding ring and lock nut's external diameter adaptation to the medial surface along the holding ring is equipped with one or personally submits the circumference equipartition along the inboard and has a plurality of location lug, the structure and the size of location lug all with the constant head tank adaptation that lock nut set up.

Among the milling cutter dismouting work piece, the rotating part sets up in one side of holding ring, including sleeve and connecting axle, telescopic one end opening links to each other with the holding ring, and telescopic other end seals and links to each other with the connecting axle, sleeve, connecting axle and holding ring integrated into one piece and coaxial.

In the workpiece for disassembling and assembling the milling cutter, the inner hollow height of the sleeve is greater than the length of the milling cutter.

In the milling cutter dismounting workpiece, the sleeve is of a hollow conical structure, the bottom of the cone is open and connected with the positioning ring, and the top of the cone is connected with the connecting shaft.

Among the milling cutter dismouting work piece, the rotating part is the handle, and the one end of handle is equipped with the external screw thread, be equipped with the screw hole with handle external screw thread adaptation on the holding ring lateral surface, handle and holding ring threaded connection.

In the milling cutter dismouting work piece, the quantity of handle is a plurality of, the quantity of screw hole is the same with the quantity of handle to the screw hole is the circumference equipartition on the holding ring lateral surface.

A milling cutter dismounting device, wherein the device comprises a base provided with a guide rail, a fixing seat and a driving mechanism, the fixing seat and the driving mechanism are arranged on the base, the dismounting device is in transmission connection with the driving mechanism, the fixing seat is used for fixing a milling cutter handle, the dismounting device is the milling cutter dismounting device according to claim 2, the milling cutter handle is horizontally coaxial with a connecting shaft and an output shaft of the driving mechanism, and the driving mechanism and the dismounting device are used for dismounting a locking nut on the milling cutter handle.

Among the milling cutter dismouting device, the fixing base includes base and fixed cover, fixed cover fixed connection is on the base, the base is equipped with the lug, the structure of lug and the structure adaptation of guide rail, base sliding connection is on the guide rail, the inner structure of fixed cover and the structure adaptation of milling cutter handle to be equipped with the spacer pin corresponding with the spacing groove of milling cutter handle.

In the milling cutter dismounting device, the lug is an inverted T-shaped lug, and the guide rail is an inverted T-shaped guide groove.

In the milling cutter dismounting device, the driving mechanism is provided with a short circuit protection plate, and the short circuit protection plate is used for controlling the driving mechanism to automatically stop rotating after dismounting is finished.

Has the advantages that:

the utility model provides a milling cutter dismouting work piece and device, the dismouting work piece is through setting up the holding ring to set up the locating lug on the holding ring, and the constant head tank adaptation on locating lug's structure and size and lock nut, thereby make when the constant head tank cover is established on lock nut, the phenomenon of dislocation can not appear, the rotating part that sets up on the holding ring simultaneously can drive the holding ring along rotation in a circumferential direction, thereby plays the effect of dismantling lock nut. Milling cutter dismouting device can start the effect of auto-control handling lock nut through the rotatory rotating part of actuating mechanism, need not manual loading and unloading, great improvement work efficiency.

Drawings

FIG. 1 is a schematic view of a retaining ring.

Fig. 2 is a schematic structural diagram of a milling cutter with a handle for assembling and disassembling a workpiece.

Fig. 3 is a schematic structural view of a detachable workpiece provided with a tapered sleeve and a connecting shaft.

Fig. 4 is a schematic structural view of a detachable workpiece provided with a cup-shaped sleeve and a connecting shaft.

Fig. 5 is a schematic structural view of a milling cutter mounting and dismounting device.

Fig. 6 is a schematic structural view of the fixing base.

In the drawings, the reference numbers: 1-a positioning ring, 2-a positioning lug, 3-a handle, 4-a threaded hole, 5-an external thread, 6-a sleeve, 7-a connecting shaft, 8-a base, 9-a base, 10-a fixing sleeve, 11-a milling cutter handle, 12-a limiting groove, 13-a locking nut, 14-a driving mechanism, 15-a limiting pin, 16-a lug and 17-a guide rail.

Detailed Description

The utility model provides a milling cutter dismouting work piece and device, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a workpiece for disassembling and assembling a milling cutter, which is used to disassemble a lock nut 13 on a tool holder when the milling cutter is replaced. The disassembly and assembly workpiece comprises a positioning ring 1 and a rotating part arranged on the positioning ring 1, the rotating part is used for rotating the positioning ring 1, the inner diameter of the positioning ring 1 is matched with the outer diameter of a locking nut 13, and one or a plurality of positioning lugs 2 are uniformly distributed on the inner side surface of the positioning ring 1 in the circumferential direction, when there are a plurality of positioning projections 2, the number of positioning grooves on the lock nut 13 should be equal to or less than the number of positioning grooves on the lock nut 13, usually six, therefore, preferably, the number of the positioning convex blocks 2 is six, the structure and the size of the positioning convex blocks 2 are matched with the positioning grooves arranged on the locking nut 13, and are in one-to-one correspondence, when the positioning ring 1 is sleeved on the locking nut 13, each positioning lug 2 is clamped in the positioning groove of the locking nut 13, therefore, the dismounting workpiece can be accurately sleeved outside the locking nut 13, and the phenomenon of dislocation can not occur.

In some embodiments, as shown in fig. 2, the rotating part is a handle 3, one or more threaded holes 4 are provided on the outer side surface of the positioning ring 1, the number of the handles 3 is the same as that of the threaded holes 4, one end of the handle 3 is provided with an external thread 5 matched with the threaded holes 4, and the end of the handle 3 is in threaded connection with the positioning ring 1. The handle 3 that sets up constitutes the dismouting work piece that has the dismouting effect together with holding ring 1, and when holding ring 1 cover on lock nut 13, pull handle 3 along holding ring 1's circumference, can rotate lock nut 13, realize carrying out the dismouting to lock nut 13. And a plurality of handles 3 that set up can realize bimanualness, increase rotatory dynamics.

However, when the lock nut 13 is too firmly connected to the milling cutter handle for a long period of use, the lock nut 13 cannot be rotated by the handle 3, and therefore, in some embodiments, the lock nut 13 is attached and detached by the driving mechanism by providing a rotating portion which is drivingly connected to the driving mechanism. As shown in fig. 3 and 4, the rotating portion includes a sleeve 6 and a connecting shaft 7, the sleeve 6 is a hollow structure with an open end, the open end of the sleeve 6 is connected to the positioning ring 1, the connecting shaft 7 is disposed at an end of the sleeve 6 opposite to the positioning ring 1, the sleeve 6, the connecting shaft 7 and the positioning ring 1 are integrally formed, and the axes of the sleeve 6, the connecting shaft 7 and the positioning ring 1 are the same. The sleeve 6 that sets up is used for connecting axle 7 and holding ring 1, and the connecting axle 7 that sets up is used for linking to each other holding ring 1 with actuating mechanism to make, when the dismouting, actuating mechanism 14 drive holding ring 1 work that accessible connecting axle 7 is connected, dismantle lock nut 13, thereby when solving lock nut 13 and handle lock and die, the unable dismouting lock nut 13's of manual work defect. Because the milling cutter needs to extend into the sleeve 6 when the disassembly and assembly workpiece is sleeved on the locking nut 13, the sleeve 6 needs to be hollow, the hollow length of the sleeve 6 needs to be larger than that of the milling cutter, but the length of the sleeve 6 needs not to be too long, and the axial center deviation is easy to occur when the sleeve is too long, so that the resistance is increased, and the friction force is increased. This application sets up interior empty length of sleeve 6 and is 60 ~ 70mm, can hold milling cutter's length to the axle center skew is little.

Specifically, as shown in fig. 3 and 4, the sleeve 6 has a cup-shaped structure or a hollow conical structure, preferably a hollow conical structure, which has better stability, less material, light weight, and lower cost. The sleeve 6 of the conical structure is provided with an opening at the bottom, the size of the opening is the same as that of the positioning ring 1 and is connected with the positioning ring 1, the vertex of the cone is connected with the connecting shaft 7, and the distance from the bottom of the cone to the vertex of the cone is greater than the length of the milling cutter.

Specifically, the connecting shaft 7 may be a circular or outer hexagonal structure, and may be specifically set according to an output end of a driving mechanism to be actually connected. The driving mechanism can be an electric drill or a driving motor capable of rotating the connecting shaft 7, preferably a bidirectional rotating electric drill or driving motor, forward rotation can be used for fastening the locking nut 13 when the milling cutter is installed, and reverse rotation can be used for detaching the locking nut 13 when the milling cutter is detached.

The specific implementation process comprises the following steps: fixing the milling cutter handle 11 on the cutter unloading seat, then connecting the connecting shaft 7 with an electric drill or a driving mechanism to fix the disassembly and assembly workpiece on the electric drill or the driving mechanism, holding the electric drill or the driving mechanism by hand, sleeving the positioning ring 1 on the locking nut 13, starting the electric drill or the driving mechanism, screwing or unscrewing the locking nut 13, and realizing the disassembly and assembly of the locking nut 13.

As shown in fig. 5 and 6, the present application further discloses a milling cutter dismounting device, the device includes a base 8, a fixing seat and a driving mechanism 14, the fixing seat and the driving mechanism 14 are disposed on the base 8, a guide rail 17 is disposed on the base 8, the fixing seat is slidably connected to the guide rail 17, the fixing seat is used for fixing a milling cutter handle 11 to be dismounted, when the milling cutter handle 11 is fixed on the fixing seat, a milling cutter is horizontally disposed, the driving mechanism 14 is fixedly connected to the base 8, the device further includes a dismounting workpiece, the dismounting workpiece includes a positioning ring 1, a positioning lug 2, a sleeve 6 and a connecting shaft 7, the positioning lug 2 is disposed on an inner side surface of the positioning ring 1, the sleeve 6 is disposed on one ring surface of the positioning ring 1, the connecting shaft 7 is disposed at an end of the sleeve 6 opposite to the positioning ring 1, the connecting shaft 7 is in transmission connection with an output end of the driving mechanism 14, and after the milling cutter handle 11 is fixed on the fixed seat, the central shaft of the locking nut 13 of the milling cutter handle 11 is horizontally coaxial with the central shaft of the dismounting workpiece and the shaft center of the output end of the driving mechanism 14.

When the milling cutter handle is in work, the milling cutter handle 11 is fixed on the fixed seat, then the fixed seat is pushed towards the disassembly and assembly workpiece, the position of the disassembly and assembly workpiece is adjusted, the positioning ring 1 is sleeved outside the locking nut 13, the positioning lug 2 on the positioning ring 1 is just clamped in the positioning groove of the locking nut 13, then the driving mechanism 14 is started, when the locking nut 13 is disassembled, the driving mechanism 14 is reversed, the locking nut 13 is screwed out of the milling cutter handle 11, and in the screwing-out process, the fixed seat is stressed to retreat until the locking nut 13 is completely separated from the milling cutter handle 11; when assembling the milling cutter, the direction of rotation of the drive mechanism 14 is opposite to that when disassembling and the holder is moved in the direction of the drive mechanism 14.

Specifically, as shown in fig. 5 and 6, the fixing seat includes a base 9 and a fixing sleeve 10, and the fixing sleeve 10 is fixedly connected to the base 9. The internal structure of the fixed sleeve 10 is matched with the structure of the milling cutter handle 11, symmetrical limiting pins 15 are arranged, the limiting pins 15 are matched with the limiting grooves 12 in the milling cutter handle 11, and when the milling cutter handle 11 is inserted into the fixed sleeve 10, the limiting pins 15 are just clamped in the limiting grooves 12. The base 9 is provided with a convex block 16, the convex block 16 is matched with a guide rail 17 arranged on the base, and the base 9 is connected on the guide rail 17 in a sliding mode through the convex block 16. Preferably, the guide rail 17 is an inverted T-shaped guide groove, and the protrusion 16 is an inverted T-shaped protrusion adapted to the guide rail 17, so that, when the protrusion 16 is sleeved on the guide rail 17, the base 9 can only reciprocate along the guide rail 17.

Preferably, the driving mechanism 14 is connected to a short-circuit protection board, and the short-circuit protection board can be started under the high-power conditions of overload, overcurrent, locked-rotor and the like of the driving mechanism, so that the control of the driving mechanism 14 is more intelligent. The specific control process is as follows: when the locking nut 13 is completely unloaded, the load of the motor is small, the current is large, the short-circuit protection is started at the moment, and the operation of the driving mechanism 14 is stopped, so that the driving mechanism 14 automatically stops rotating when the locking nut 13 is completely disassembled; on the contrary, when the lock nut 13 is assembled, the load of the driving mechanism is small at the beginning, when the lock nut is screwed more and more tightly, the phenomenon of overload or locked rotor occurs, the power is large at the moment, when the power is large to a certain degree, the short circuit protection is started, the driving mechanism is stopped to run, the motor is prevented from being burnt out, and the function of automatically stopping the driving mechanism when the lock nut is screwed is achieved.

It is understood that equivalents and changes may be made to the technical solution of the present invention and its concept by those skilled in the art, and all such changes and substitutions shall fall within the scope of the appended claims.

Claims

1. The utility model provides a milling cutter dismouting work piece, its characterized in that, the dismouting work piece includes the holding ring and connects the rotating part on the holding ring, the rotating part is used for rotatory holding ring, the internal diameter of holding ring and lock nut's external diameter adaptation to the medial surface along the holding ring is equipped with one or personally submits the circumference equipartition along the inboard and has a plurality of location lug, the structure and the size of location lug all with the constant head tank adaptation that lock nut set up.

2. The workpiece for mounting and dismounting a milling cutter according to claim 1, wherein the rotating portion is provided on one side of the positioning ring, the rotating portion includes a sleeve and a connecting shaft, one end of the sleeve is open and connected to the positioning ring, the other end of the sleeve is closed and connected to the connecting shaft, and the sleeve, the connecting shaft and the positioning ring are integrally formed and coaxial.

3. The milling cutter setting and removing workpiece as set forth in claim 2, wherein the hollow height of said sleeve is greater than the length of the milling cutter.

4. A milling cutter mounting/dismounting workpiece as defined by claim 3, wherein said sleeve is of a hollow conical configuration with an open bottom and is connected to the positioning ring and a top connected to the connecting shaft.

5. The workpiece for disassembling and assembling a milling cutter according to claim 1, wherein the rotating portion is a handle having an external thread at one end thereof, and the positioning ring has a threaded hole formed in an outer surface thereof to be fitted with the external thread of the handle, and the handle is threadedly coupled to the positioning ring.

6. The workpiece for disassembling and assembling a milling cutter according to claim 5, wherein the number of said handles is plural, the number of said screw holes is the same as the number of said handles, and the screw holes are circumferentially distributed on the outer side surface of the positioning ring.

7. A milling cutter dismounting device is characterized by comprising a base provided with a guide rail, a fixing seat and a driving mechanism, wherein the fixing seat and the driving mechanism are arranged on the base, the dismounting and mounting workpiece is in transmission connection with the driving mechanism, the fixing seat is used for fixing a milling cutter handle, the dismounting and mounting workpiece is the milling cutter dismounting and mounting workpiece according to claim 2, the milling cutter handle is horizontally coaxial with an output shaft of a connecting shaft and the driving mechanism, and the driving mechanism and the dismounting and mounting workpiece are used for dismounting a locking nut on the milling cutter handle.

8. The milling cutter mounting and dismounting device according to claim 7, wherein the fixing base includes a base and a fixing sleeve, the fixing sleeve is fixedly connected to the base, the base is provided with a projection, the projection is structurally matched with the guide rail, the base is slidably connected to the guide rail, the fixing sleeve is internally structurally matched with the milling cutter handle, and is provided with a limiting pin corresponding to the limiting groove of the milling cutter handle.

9. The milling cutter mounting and dismounting device according to claim 8, wherein the projection is an inverted T-shaped projection, and the guide rail is an inverted T-shaped guide groove.

10. The milling cutter mounting and dismounting device according to claim 7, wherein the driving mechanism is provided with a short circuit protection plate for controlling the driving mechanism to stop rotating automatically when the mounting and dismounting are completed.