CN216503841U

CN216503841U - Index head spindle locking device

Info

Publication number: CN216503841U
Application number: CN202122944767.8U
Authority: CN
Inventors: 陈春雷
Original assignee: Taicang Tianhe Electromechanical Co ltd
Current assignee: Taicang Tianhe Electromechanical Co ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2022-05-13
Anticipated expiration: 2031-11-27

Abstract

The application relates to a dividing head main shaft locking device which comprises a dividing head body, wherein a rotating shaft is rotationally arranged in the dividing head body, one end of the rotating shaft extends out of the outer side wall of the dividing head body, and a handle is arranged at the extending end of the rotating shaft; a base is arranged below the dividing head body, and a locking device is arranged on the base and is positioned below the rotating shaft; locking device includes lock pole, fixed ring board and activity ring board, and activity ring inboard wall offsets with the pivot lateral wall, and the lock pole is spacing to the fixed ring board, and the fixed ring board can be spacing to the pivot to the activity ring board, thereby reduces the unexpected condition that touches the handle and drive the pivot and make the main shaft deflect of operating personnel.

Description

Index head spindle locking device

Technical Field

The application relates to the technical field of machine tool equipment, in particular to a dividing head spindle locking device.

Background

A dividing head is a machine tool accessory used on machine tools for machining workpieces.

In the dividing head in the related art, a worm and gear structure is arranged in the dividing head, a rotating shaft penetrates through a dividing head body, one end of the rotating shaft is connected with a worm through the gear structure, and the other end of the rotating shaft is fixedly connected with a handle; the rotating handle drives the rotating shaft to rotate, the rotating shaft drives the worm to rotate through the gear structure, and the worm further drives the turbine to rotate, so that the main shaft of the dividing head is driven to rotate. Because the worm wheel is self-locked relative to the worm, external force is difficult to be directly applied to the main shaft to enable the main shaft to rotate.

In view of the above related patents, the inventor believes that after the rotary handle adjusts the index head to the working state, the operator can walk on the machine tool and perform other operations, and at this time, the body of the operator is easy to accidentally contact with the handle and drive the handle to rotate, so that the main shaft deflects.

SUMMERY OF THE UTILITY MODEL

In order to reduce the deflection of the spindle, the application provides a spindle locking device of an index head.

The application provides a dividing head spindle locking device adopts following technical scheme:

a spindle locking device of a dividing head comprises a dividing head body, wherein a rotating shaft is rotatably arranged in the dividing head body, one end of the rotating shaft extends out of the outer side wall of the dividing head body, and a handle is arranged at the extending end of the rotating shaft; a base is arranged below the dividing head body, and a locking device is arranged on the base and is positioned below the rotating shaft; the locking device comprises a locking rod, a fixed ring plate and a movable ring plate; the locking pole sets up on the base roof, the fixed ring board is located the locking pole upper end, fixed ring board and activity crown plate are all detained and are established in the pivot, activity crown plate inside wall offsets with the pivot lateral wall.

Through adopting above-mentioned technical scheme, the handle drives the pivot and rotates behind the working position, removes the movable ring board and detains and establish in the pivot, simultaneously with movable ring board both ends and solid fixed ring board both ends fixed connection, the movable ring inboard wall offsets with the pivot lateral wall this moment, the locking lever is spacing to the fixed ring board, the fixed ring board is spacing to the movable ring board, can be spacing to the countershaft, thereby it drives the condition that the pivot made the main shaft deflection to reduce the unexpected touching handle of operating personnel.

Optionally, the fixed ring plate is rotatably connected with the movable ring plate, and the movable ring plate is fixedly connected with one end of the fixed ring plate, which is far away from the rotation connection point.

In general, the movable ring plate and the fixed ring plate are fixed, and both ends of the movable ring plate need to be fixedly connected, so that the movable ring plate is inconvenient to connect; through adopting above-mentioned technical scheme, fixed ring board and activity crown plate rotate to be connected, when spacing to the pivot, rotate the activity crown plate and detain and establish in the pivot, keep away from to the activity crown plate and rotate tie point one end connect can, improved the connection convenience of activity crown plate.

Optionally, the movable ring plate is far away from the rotation tie point one end and rotates and be provided with the buckle, be provided with the profile on the buckle, the fixed ring plate lateral wall is provided with spacing, profile and spacing interference fit.

Generally, the movable ring plate and the fixed ring plate are fixedly connected through bolts and nuts, so that operators need to additionally store the bolts and the nuts, and the bolts and the nuts are taken out for use when the movable ring plate and the fixed ring plate are connected, so that the connection process of the movable ring plate and the fixed ring plate is complicated; through adopting above-mentioned technical scheme, rotate the activity crown plate and detain and establish on the pivot lateral wall after, make the buckle rotate to being close to the fixed crown plate direction again, the buckle drives the profile and removes to being close to spacing orientation, and the profile removes to cross behind the spacing position and blocks each other with spacing and establish, can realize the fixed of activity ring, has reduced the use to bolt and nut, and the connection process of activity crown plate and fixed crown plate is comparatively swift.

Optionally, a connecting sleeve for inserting the locking rod is arranged at the lower end of the locking rod and connected to the base.

By adopting the technical scheme, the connecting sleeve can limit the locking rod; when the relative positions of the movable ring plate and the fixed ring plate are fixed, the fixed ring plate can be driven to move upwards, the inner side wall of the fixed ring plate is abutted against the side wall of the rotating shaft, the abutting area of the locking device on the rotating shaft is increased, and the abutting limiting stability of the rotating shaft is improved.

Optionally, one end, close to the base, of the connecting sleeve is in a closed state, a spring is connected to the inner bottom wall of the connecting sleeve, one end, close to the locking rod, of the spring is connected with the locking rod, and the locking rod can be pulled by the elastic force of the spring to move in the direction away from the rotating shaft.

By adopting the technical scheme, after the limit of the movable ring plate and the fixed ring plate on the rotating shaft is removed, the spring restores the original length and can pull the locking rod to move downwards to insert the connecting sleeve, so that the fixed ring plate and the movable ring plate are driven to be far away from the rotating shaft, and the influence of the fixed ring plate and the movable ring plate on the rotation of the rotating shaft is reduced.

Optionally, the inner side wall of the fixed ring plate and the inner side wall of the movable ring plate are both provided with friction pads, and the friction pads are abutted against the side wall of the rotating shaft.

Through adopting above-mentioned technical scheme, the frictional force of fixed ring inboard wall and activity crown plate inside wall and pivot lateral wall can be improved indirectly to the friction pad, further improves the spacing effect of fixed ring board and activity crown plate to the pivot.

Optionally, an end wall of the handle close to one end of the rotating shaft is provided with a slot for inserting the rotating shaft, an outer side wall of the rotating shaft is provided with an inserting key, and an inner side wall of the slot is provided with a key slot for inserting the inserting key.

By adopting the technical scheme, the inner side wall of the key groove can drive the inserting key to drive the rotating shaft to rotate when the handle is rotated; the setting of slot makes the handle can dismantle for the pivot, and the pivot is changeed to the working position after, can lift the handle off from the pivot, further reduces the condition that operating personnel touched the handle by mistake, the epaxial installation of locking device in the pivot of can being convenient for simultaneously.

Optionally, the inner side wall of the key slot is provided with a magnetic part magnetically attracted with the inserted key.

Through adopting above-mentioned technical scheme, magnetism spare and inserted key magnetism attract mutually to it is spacing to handle position in the pivot, when reducing operating personnel and rotating the handle, with the unexpected condition that pulls the drop in the pivot of handle follow.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the movable ring plate inner side wall is abutted to the rotating shaft side wall, the locking rod is limited to the fixed ring plate, the fixed ring plate is limited to the movable ring plate, the rotating shaft can be limited, and the condition that an operator accidentally touches the handle to drive the rotating shaft to enable the main shaft to deflect is reduced.

2. The fixed ring plate is connected with the movable ring plate in a rotating mode, and the buckle plate, the buckle strip and the limiting strip are arranged, so that convenience in fixed connection of the movable ring plate is improved.

3. The setting of slot makes the handle can dismantle for the pivot, and the pivot is changeed to the working position after, can lift the handle off from the pivot, further reduces the condition that operating personnel touched the handle by mistake.

Drawings

Fig. 1 is a schematic structural diagram of a spindle locking device of an index head in an embodiment of the present application.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic sectional view for showing a positional relationship between a key and a key groove in an embodiment of the present application.

Description of reference numerals: 1. a dividing head body; 11. a rotating shaft; 111. inserting a key; 12. a base; 2. a lock lever; 21. a stationary ring plate; 211. a limiting strip; 22. a movable ring plate; 221. buckling the plate; 222. buckling strips; 23. connecting sleeves; 231. a spring; 4. a handle; 41. a slot; 42. a keyway; 421. a magnetic member; 5. a friction pad.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a dividing head spindle locking device. Referring to fig. 1, the dividing head spindle locking device comprises a dividing head body 1, a base 12 is arranged below the dividing head body 1, and the dividing head body 1 is fixedly connected to the top wall of the base 12 through bolts; a rotating shaft 11 is rotatably arranged in the dividing head body 1 through a bearing, one end of the rotating shaft 11 extends out of the outer side wall of the dividing head body 1, and a handle 4 is arranged at the extending end of the rotating shaft 11; the rotating handle 4 drives the rotating shaft 11 to rotate, and the rotating shaft 11 drives the worm gear in the dividing head body 1 through a gear structure to drive the main shaft to rotate.

Referring to fig. 1 and 2, be provided with locking device on base 12, locking device is located pivot 11 below, locking device includes lock pole 2, fixed ring board 21 and activity crown plate 22, fixed ring board 21 passes through welded fastening and connects on lock pole 2, activity crown plate 22 rotates through the round pin axle and connects on fixed ring board 21, activity crown plate 22 is kept away from rotation tie point one end and is provided with buckle 221 through the hinge rotation, buckle 221 lateral wall is through welded fastening connection with profile 222, fixed ring board 21 lateral wall is through welded fastening connection with spacing strip 211.

Referring to fig. 1 and 2, the fastening strip 222 is in interference fit with the limiting strip 211, after the handle 4 drives the rotating shaft 11 to drive the main shaft to a working position, the movable rotating ring plate 22 is fastened on the side wall of the rotating shaft 11, the fastening plate 221 rotates towards the direction close to the fixed ring plate 21, the fastening plate 221 drives the fastening strip 222 to move towards the direction close to the limiting strip 211, the fastening strip 222 is clamped with the limiting strip 211 after moving over the position of the limiting strip 211, so that the relative position of the movable ring plate 22 and the fixed ring plate 21 is limited, meanwhile, the inner side wall of the movable ring plate 22 abuts against the side wall of the rotating shaft 11, the rotating shaft 11 can be limited, and the situation that the operator mistakenly touches the handle 4 to drive the rotating shaft 11 to rotate accidentally is reduced.

Referring to fig. 1 and 3, a connecting sleeve 23 is arranged at the lower end of the locking rod 2, the connecting sleeve 23 is fixedly connected to the base 12 through a screw, one end, close to the base 12, of the connecting sleeve 23 is in a closed state, a spring 231 is fixedly connected to the inner bottom wall of the connecting sleeve 23 through welding, and one end, close to the locking rod 2, of the spring 231 is fixedly connected with the end wall of the locking rod 2 through welding; when the relative positions of the movable ring plate 22 and the fixed ring plate 21 are fixed, the fixed ring plate 21 is driven to move upwards, so that the inner side wall of the fixed ring plate 21 is abutted against the side wall of the rotating shaft 11, the abutting area of the locking device on the rotating shaft 11 is increased, and the abutting stability of the locking device on the rotating shaft 11 is improved; after the limit of the movable ring plate 22 and the fixed ring plate 21 on the rotating shaft 11 is removed, the elastic force of the spring 231 can drive the locking rod 2 to move downwards and insert into the connecting sleeve 23, so that the fixed ring plate 21 and the movable ring plate 22 are driven to be far away from the rotating shaft 11, and the influence of the fixed ring plate 21 and the movable ring plate 22 on the rotation of the rotating shaft 11 is reduced.

Referring to fig. 1 and 2, the inner side wall of the fixed ring plate 21 and the inner side wall of the movable ring plate 22 are fixedly connected with a friction pad 5 through gluing, the friction pad 5 is an elastic rubber pad, the friction pad 5 abuts against the side wall of the rotating shaft 11, the friction force between the inner side wall of the fixed ring plate 21 and the inner side wall of the movable ring plate 22 and the side wall of the rotating shaft 11 can be indirectly improved, and the limiting effect on the rotating shaft 11 is further improved.

Referring to fig. 3, the handle 4 is close to an end wall slot 41 at one end of the rotating shaft 11, an insertion key 111 is integrally formed on the outer side wall of the rotating shaft 11, and a key slot 42 is formed on the inner side wall of the slot 41; remove handle 4 and make pivot 11 insert slot 41, drive simultaneously and insert key 111 and insert keyway 42, the keyway 42 inside wall can drive and insert key 111 and rotate with drive pivot 11 when rotating handle 4, and slot 41's setting makes handle 4 can dismantle for pivot 11, and pivot 11 rotates to the operating position after, can lift handle 4 from pivot 11 to be convenient for the installation of locking device on pivot 11.

Referring to fig. 3, the inner side wall of the key slot 42 is fixedly connected with the magnetic member 421 through gluing, the magnetic member 421 is a magnet, and the magnetic member 421 and the insertion key 111 are magnetically attracted, so that the position of the handle 4 on the rotating shaft 11 is limited, and the condition that the handle 4 accidentally falls off from the rotating shaft 11 when the handle 4 is rotated is reduced.

The implementation principle of the dividing head spindle locking device in the embodiment of the application is as follows:

rotating movable crown plate 22 and detaining and establishing on the pivot 11 lateral wall, buckle 221 rotates to being close to fixed crown plate 21 direction again, buckle 221 drives knot strip 222 and removes to being close to spacing 211 direction, it establishes with spacing 211 mutual card to buckle strip 222 removal after crossing spacing 211 position, thereby it is spacing to the relative position of movable crown plate 22 and fixed crown plate 21, make movable crown plate 22 inside wall and pivot 11 lateral wall offset simultaneously, can be spacing to pivot 11, it touches handle 4 and drives pivot 11 emergence unexpected pivoted condition to reduce operating personnel mistake.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A dividing head spindle locking device comprises a dividing head body (1), wherein a rotating shaft (11) is rotatably arranged in the dividing head body (1), one end of the rotating shaft (11) extends out of the outer side wall of the dividing head body (1), and a handle (4) is arranged at the extending end of the rotating shaft (11); the method is characterized in that: a base (12) is arranged below the dividing head body (1), a locking device is arranged on the base (12), and the locking device is positioned below the rotating shaft (11); the locking device comprises a locking rod (2), a fixed ring plate (21) and a movable ring plate (22); locking pole (2) set up on base (12) roof, fixed ring board (21) are located locking pole (2) upper end, fixed ring board (21) and activity ring board (22) are all detained and are established on pivot (11), activity ring board (22) inside wall offsets with pivot (11) lateral wall.

2. The index head spindle locking device of claim 1, wherein: the fixed ring plate (21) is rotationally connected with the movable ring plate (22), and the movable ring plate (22) is fixedly connected with one end, far away from the rotational connection point, of the fixed ring plate (21).

3. The index head spindle locking device of claim 2, wherein: the movable ring plate (22) is far away from one end of the rotating connection point and is rotatably provided with a buckling plate (221), buckling strips (222) are arranged on the buckling plate (221), the outer side wall of the fixed ring plate (21) is provided with limiting strips (211), and the buckling strips (222) are in interference fit with the limiting strips (211).

4. The index head spindle locking device of claim 1, wherein: locking pole (2) lower extreme is provided with and supplies locking pole (2) male adapter sleeve (23), adapter sleeve (23) are connected on base (12).

5. The index head spindle locking device of claim 4, wherein: one end, close to the base (12), of the connecting sleeve (23) is in a closed state, a spring (231) is connected to the inner bottom wall of the connecting sleeve (23), one end, close to the locking rod (2), of the spring (231) is connected with the locking rod (2), and the spring (231) can pull the locking rod (2) to move in the direction of being far away from the rotating shaft (11).

6. The index head spindle locking device of claim 4, wherein: the inner side wall of the fixed ring plate (21) and the inner side wall of the movable ring plate (22) are both provided with friction pads (5), and the friction pads (5) are abutted to the side wall of the rotating shaft (11).

7. The index head spindle locking device of claim 1, wherein: handle (4) are close to the end wall of pivot (11) one end and offer confession pivot (11) male slot (41), pivot (11) lateral wall is provided with inserted key (111), slot (41) inside wall is offered and is supplied inserted key (111) male keyway (42).

8. The index head spindle locking apparatus of claim 7, wherein: and a magnetic part (421) which is magnetically attracted with the inserting key (111) is arranged on the inner side wall of the key groove (42).