Precise indexing cutter shaft structure

Abstract

The utility model relates to the technical field of cutter shaft structures, and provides a precise indexing cutter shaft structure which comprises a shaft body and a protective shell. The limiting structure is arranged, the handle is rotated, the handle drives the threaded column to rotate in the fixing base, the threaded column drives the limiting base to move downwards through the reset spring, when the bottom end of the limiting base abuts against the top end of the clamping base, the clamping base and the gear are connected in a clamped mode, and when the shaft body drives the gear to rotate anticlockwise, the clamping base and the gear are connected in a clamped mode. Under the action of the reset spring, the clamping seat drives the limiting seat to move upwards, under the elastic force action of the reset spring, the limiting seat moves downwards to return, the situation that the gear rotates without the action of external force is avoided, the handle is rotated, the threaded column drives the limiting seat to move upwards through the reset spring, and then the clamping seat and the gear are separated from each other; and at the moment, clockwise rotation can be achieved, the self-locking function of the precise indexing cutter shaft structure is achieved, and therefore the applicability of the precise indexing cutter shaft structure in the using process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cutter shaft structure, especially to a precision index cutter shaft structure. BACKGROUND

[0002] Cutter shaft is a tool commonly used in machining, it is a kind of rotatable shaft, is used to rotate cutter to carry out various machining operations, when using cutter shaft, each component needs to be accurately assembled together to ensure the normal operation and safety of cutter shaft, therefore a precision index cutter shaft structure will be used;

[0003] The existing precision index cutter shaft structure is inconvenient to lock when being used, cannot ensure the stability of cutter shaft during operation, cannot ensure that loosening or slipping occurs during operation, so that the applicability is low when being used. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a precision index cutter shaft structure to solve the defects that the existing precision index cutter shaft structure is inconvenient to lock.

[0005] In order to solve the above technical problem, the utility model provides the following technical scheme: a precision index cutter shaft structure, including shaft body and protective shell;

[0006] The outer side of the one end of the shaft body is provided with the protective shell, one end of the protective shell is fixed with the cover body, the other end of the protective shell is fixed with the end cover, and one end of the shaft body is fixed with the hand wheel;

[0007] One side of the top of the protective shell is provided with a limiting structure, the limiting structure includes a handle, a threaded column, a fixed seat, a limiting seat, a clamping seat and a return spring, the fixed seat is fixed on one side of the top of the protective shell, the top of the fixed seat is threadedly connected with the threaded column, the top end of the threaded column extends to the outside of the fixed seat and is fixed with the handle, the outer side of the bottom of the threaded column is provided with the return spring, the bottom of the return spring penetrates the limiting seat, and the clamping seat is hinged in the inside of the bottom end of the protective shell;

[0008] One side of the inside of the protective shell is provided with a rotating structure.

[0009] When using the device, the limiting structure is arranged, the device is conveniently self-locked, the applicability of the precision index cutter shaft structure is improved when being used, the rotating structure is arranged, the device is conveniently and accurately rotated, and the convenience of the precision index cutter shaft structure when being used is improved.

[0010] Preferably, the shaft body and the end cover constitute a rotating structure, and the inside of the shaft body is provided with a positioning groove away from the one end of the hand wheel.

[0011] Preferably, the rotating structure comprises a fixed shell, a scale line, a gear and a pointer, the gear is arranged on one side of the inside of the protective shell, the gear is fixed with the fixed shell on one side, the scale line is uniformly arranged on the outer wall of the fixed shell, and the pointer is fixed on the outer wall of the one side of the protective shell.

[0012] Preferably, one side of the fixed shell extends to the outside of the protective shell, and the fixed shell and the cover constitute a rotating structure.

[0013] Preferably, the inner side wall of the gear is fixedly connected with the outer side wall of the shaft body, and one side of the pointer extends to one side of the scale line.

[0014] Preferably, the bottom end of the limiting seat abuts against one side of the top end of the clamping seat, and the limiting seat and the clamping seat constitute an extension structure through the reset spring.

[0015] Preferably, one side of the bottom end of the clamping seat is fixed with a chamfer, and the clamping seat and the gear are engaged with each other through the chamfer.

[0016] The precision indexing cutter shaft structure has the advantages that:

[0017] By arranging the limiting structure, rotating the handle, the handle drives the threaded column to rotate in the inside of the fixed seat, the threaded column drives the limiting seat to move downwards through the reset spring, when the bottom end of the limiting seat abuts against the top end of the clamping seat, the clamping seat and the gear are engaged with each other, when the shaft body drives the gear to rotate counterclockwise, the clamping seat drives the limiting seat to move upwards under the action of the reset spring, the limiting seat moves downwards to reset under the elastic force of the reset spring, the gear is prevented from rotating without external force, the handle is rotated, the threaded column drives the limiting seat to move upwards through the reset spring, and then the clamping seat and the gear are separated from each other, and the gear can be rotated clockwise at this time, the function that the device is convenient to self-lock is realized, and the applicability of the precision indexing cutter shaft structure in use is improved.

[0018] By setting the rotating structure, rotating the hand wheel, the hand wheel drives the shaft body to rotate in the inside of the protective shell, the shaft body drives the gear to rotate, the gear drives the fixed shell to rotate in the inside of the cover body, the fixed shell drives the scale line to rotate, under the action of the scale line, the reference in rotation is provided, under the action of the pointer, the user is helped to read the rotation result of the scale line according to the position of the pointer, the accuracy in rotation is ensured, the function that the device is convenient to rotate accurately is realized, thereby the convenience in use of the precise indexing shaft structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is front view cross section structure schematic view of the utility model;

[0021] Figure 3 It is the utility model's Figure 1 It is the utility model's side view cross section structure schematic view;

[0022] Figure 4 It is the utility model's side view cross section structure schematic view;

[0023] Figure 5 It is the utility model's plan view structure schematic view.

[0024] The reference signs in the drawing are explained as follows: 1, shaft body;2, protective shell;3, rotating structure;301, fixed shell;302, scale line;303, gear;304, pointer;4, hand wheel;5, limiting structure;501, handle;502, threaded column;503, fixed seat;504, limiting seat;505, clamping seat;506, return spring;6, cover body;7, end cover. DETAILED DESCRIPTION

[0025] 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 the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-5The utility model provides a kind of precision index cutter shaft structure, including shaft body 1 and protective shell 2, the outside of one end of shaft body 1 is equipped with protective shell 2, one end of protective shell 2 is fixed with cover body 6, the other end of protective shell 2 is fixed with end cover 7, one end of shaft body 1 is fixed with hand wheel 4, the side of the top of protective shell 2 is provided with limit structure 5, limit structure 5 includes handle 501, threaded column 502, fixed seat 503, limit seat 504, clamping seat 505 and reset spring 506, fixed seat 503 is fixed on the side of the top of protective shell 2, the top of fixed seat 503 is connected with threaded column 502 by screw thread, the top of threaded column 502 extends to the outside of fixed seat 503 and is fixed with handle 501, the outside of the bottom of threaded column 502 is equipped with reset spring 506, the bottom of reset spring 506 penetrates limit seat 504, the inside of the bottom end of limit seat 504 protective shell 2 is hinged with clamping seat 505, the bottom end of limit seat 504 and the side of the top of clamping seat 505 are in abutment, limit seat 504 and clamping seat 505 are made into telescopic structure by reset spring 506, the side of the bottom end of clamping seat 505 is fixed with chamfer, clamping seat 505 and gear 303 are engaged by chamfer, shaft body 1 and end cover 7 constitute rotating structure, the end of the inside of shaft body 1 away from hand wheel 4 is provided with positioning groove.

[0027] Refer to Figure 1 And Figure 4 As shown, rotate handle 501, handle 501 drives threaded column 502 to rotate in the inside of fixed seat 503, threaded column 502 drives limit seat 504 to move downwards by reset spring 506, when the bottom end of limit seat 504 and the top of clamping seat 505 are in abutment, clamping seat 505 and gear 303 are clamped each other at this time, when shaft body 1 drives gear 303 to rotate counterclockwise, make clamping seat 505 drive limit seat 504 to move upwards under the action of reset spring 506, limit seat 504 moves downwards and resets under the elastic force of reset spring 506, avoid gear 303 to rotate under the action of no external force, rotate handle 501, make threaded column 502 drive limit seat 504 to move upwards by reset spring 506, and then make clamping seat 505 and gear 303 separate each other, at this time, it can rotate clockwise.

[0028] The side of the inside of protective shell 2 is provided with rotating structure 3, rotating structure 3 includes fixed shell 301, scale line 302, gear 303 and pointer 304, gear 303 is arranged on the side of the inside of protective shell 2, the side of gear 303 is fixed with fixed shell 301, scale line 302 is evenly arranged on the outer wall of fixed shell 301, pointer 304 is fixed on the outer wall of the side of gear 303 protective shell 2, the side of fixed shell 301 extends to the outside of protective shell 2, fixed shell 301 and cover body 6 constitute rotating structure, the inner side wall of gear 303 is fixedly connected with the outer side wall of shaft body 1, the side of pointer 304 extends to the side of scale line 302.

[0029] Referring to Figure 2 and Figure 3 As shown in the figure, rotating the hand wheel 4, the hand wheel 4 drives the shaft body 1 to rotate inside the protective shell 2, the shaft body 1 drives the gear 303 to rotate, the gear 303 drives the fixed shell 301 to rotate inside the cover body 6, the fixed shell 301 drives the scale line 302 to rotate, under the action of the scale line 302, the reference during rotation is provided, under the action of the pointer 304, the user is helped to read the rotation result of the scale line 302 according to the position of the pointer 304.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A precision indexing arbor structure, comprising an arbor body (1) and a protective shell (2); Its characterized in that: The outer side of one end of the arbor body (1) is sleeved with the protective shell (2), one end of the protective shell (2) is fixed with the cover body (6), the other end of the protective shell (2) is fixed with the end cover (7), and one end of the arbor body (1) is fixed with the hand wheel (4); One side of the top of the protective shell (2) is provided with a limiting structure (5), the limiting structure (5) comprises a handle (501), a threaded column (502), a fixed seat (503), a limiting seat (504), a clamping seat (505) and a reset spring (506), the fixed seat (503) is fixed on one side of the top of the protective shell (2), the top of the fixed seat (503) is threadedly connected with the threaded column (502), the top end of the threaded column (502) extends to the outside of the fixed seat (503) and is fixed with the handle (501), the outer side of the bottom of the threaded column (502) is sleeved with the reset spring (506), the bottom of the reset spring (506) penetrates through the limiting seat (504), and the bottom end of the limiting seat (504) is hinged with the clamping seat (505) in the protective shell (2). One side of the inside of the protective shell (2) is provided with a rotating structure (3).

2. The precision indexing arbor structure of claim 1, wherein: The arbor body (1) and the end cover (7) constitute a rotating structure, and the inside of the arbor body (1) is provided with a positioning groove at the end away from the hand wheel (4).

3. The precision indexing arbor structure of claim 1, wherein: The rotating structure (3) comprises a fixed shell (301), a scale line (302), a gear (303) and a pointer (304), the gear (303) is arranged on one side of the inside of the protective shell (2), one side of the gear (303) is fixed with the fixed shell (301), the outer wall of the fixed shell (301) is uniformly provided with the scale line (302), and the outer wall of the protective shell (2) on one side of the gear (303) is fixed with the pointer (304).

4. The precision indexable tool shaft structure of claim 3, wherein: One side of the fixed shell (301) extends to the outside of the protective shell (2), and the fixed shell (301) and the cover body (6) constitute a rotating structure.

5. The precision indexing arbor structure of claim 3, wherein: The inner side wall of the gear (303) is fixedly connected with the outer side wall of the arbor body (1), and one side of the pointer (304) extends to one side of the scale line (302).

6. The precision indexable tool shaft structure of claim 1, wherein: The bottom end of the limiting seat (504) abuts against one side of the top end of the clamping seat (505), and the limiting seat (504) and the clamping seat (505) constitute an extension structure through the reset spring (506).

7. The precision indexing arbor structure of claim 3, wherein: One side of the bottom end of the clamping seat (505) is fixed with a chamfer, and the clamping seat (505) and the gear (303) are engaged with each other through the chamfer.

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