CN211192364U

CN211192364U - Fixing structure convenient for gear shaving cutter replacement

Info

Publication number: CN211192364U
Application number: CN201921874088.4U
Authority: CN
Inventors: 韦家财
Original assignee: Yulin Weiming Machinery Co ltd
Current assignee: Yulin Weiming Machinery Co ltd
Priority date: 2019-11-02
Filing date: 2019-11-02
Publication date: 2020-08-07
Anticipated expiration: 2029-11-02

Abstract

The utility model provides a fixed knot constructs convenient to gear shaving cutter is changed, including gear shaving cutter, gear shaving cutter is including the mounting hole, the centre of a circle that uses the mounting hole on the surface of mounting hole is equipped with a plurality of first stoppers around being equipped with as the centre of a circle, just wear to be equipped with fixed subassembly in the mounting hole, fixed subassembly is including the fixed axle, the surface of fixed axle uses the centre of a circle of fixed axle to encircle around being equipped with a plurality of second stoppers as the centre of a circle, one side of fixed axle is equipped with the locking lid, the fixed axle is kept away from one side of locking lid is connected with the fixing base, the fixing base is kept away from one side of fixed axle is equipped with rotatory hand wheel, the center of rotatory hand wheel is equipped with the rotary rod, the rotary rod is kept away from one side. The utility model discloses, through the cooperation of fixed subassembly with the gear shaving cutter, can realize the quick fixed to the gear shaving cutter to need not the instrument alright realize the installation and the dismantlement of gear shaving cutter.

Description

Fixing structure convenient for gear shaving cutter replacement

Technical Field

The utility model mainly relates to a fixed knot constructs technical field, concretely relates to fixed knot constructs convenient to gear shaver changes.

Background

The gear shaving cutter is a finish machining cutter of a straight tooth and helical involute cylindrical gear, and a layer of thin metal is shaved along the tooth surface of a workpiece by the cutting edge of the gear shaving cutter during gear shaving, so that the precision and the tooth surface quality of the gear to be shaved can be effectively improved; the machining efficiency is high, the service life of the cutter is long, and the cutter is the machining cutter which is most widely applied when cylindrical gears with medium precision are produced in large quantities in batches. A gear-shaped gear machining tool having a plurality of narrow grooves formed on the tooth surface thereof to form cutting edges for machining a workpiece on the basis of the principle of helical gear engagement. In machining, the cutter cuts fine shavings from the tooth surfaces of the gear, and is called a shaving cutter. The gear shaving cutter is used for finish machining of gear teeth after gear hobbing and gear shaping (see gear machining). A conventional disk shaver is like a hardened helical gear (fig. 1), and grooves on the tooth surface have two forms: one is that the whole gear ring is provided with a circular or spiral through groove, the section of the groove can be rectangular or trapezoidal, the shaver only sharpens the front surface (groove part) after being blunt, the tooth shape and the outer diameter are not changed, and the through groove can not be made too deep, so the shaver is only suitable for the shaver with the modulus less than 1.75 mm;

in the use process of the gear shaving cutter, various external force factors can be damaged to damage the gear shaving cutter, so that the gear shaving cutter has to be replaced, and if the gear shaving machine does not have a simple structure for replacing the gear shaving cutter as a support, the working efficiency of the gear shaving machine is reduced, so that the processing flow of products is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a fixed knot constructs convenient to gear shaver is changed for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a fixing structure convenient for replacing a gear shaving cutter comprises the gear shaving cutter, wherein the gear shaving cutter comprises a mounting hole, the mounting hole is formed in the center of the gear shaving cutter, a plurality of first limiting blocks are arranged on the surface of the mounting hole in an encircling mode by taking the circle center of the mounting hole as the center, a fixing assembly penetrates through the mounting hole and comprises a fixing shaft, a plurality of second limiting blocks are arranged on the outer surface of the fixing shaft in an encircling mode by taking the circle center of the fixing shaft as the center, the fixing shaft is in sliding connection with the first limiting blocks on the mounting hole through the second limiting blocks, a locking cover is arranged on one side of the fixing shaft, a fixing seat is connected to one side, away from the locking cover, of the fixing shaft, a rotating hand wheel is arranged on one side, away from the fixing shaft, of the fixing seat, a rotating hand wheel is arranged on the center of the rotating hand wheel, and the rotating rod is connected with the inside, just the rotary rod is kept away from one side card of rotatory hand wheel is equipped with the catch bar, the catch bar runs through in proper order fixing base, fixed axle and mounting hole, the catch bar is kept away from the one end through connection of rotary rod has the screens post, the screens post with the cross hole that the locking was covered agrees with.

Furthermore, a cross hole of the cross hole penetrates through the locking cover.

Furthermore, the length of the clamping column and the length of the transverse hole are both larger than the diameter of the mounting hole.

Furthermore, an O-shaped ring is arranged between the gear shaving cutter and the locking cover, a gasket is arranged on the inner surface of the O-shaped ring, the length of the height of the gasket is smaller than that of the height of the O-shaped ring, and the diameter of the outer circle of the gasket is equal to that of the locking cover.

Further, rotatory hand wheel is kept away from one side skin weld of rotary rod has the connecting rod, the connecting rod is kept away from one side welding of locking lid has the handle, the bottom of handle is connected with four recesses, four the recess is the level setting in proper order.

Furthermore, the outer surface of the locking cover is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that:

through the cooperation of fixed subassembly and gear shaving cutter, can realize the quick fixed to gear shaving cutter to need not the instrument alright realize the installation and the dismantlement of gear shaving cutter, and then saved the time of changing the gear shaving cutter, promoted work efficiency, the concrete performance is: through the angle displacement of handle, can realize the rotation of rotatory hand wheel, thereby make the rotary rod that is connected with rotatory hand wheel rotate in the fixing base, at the rotatory in-process of rotary rod, through the screw thread on the rotary rod surface, can realize the removal of rotary rod horizontal direction, and then realize carrying out horizontal displacement in fixed axle and fixing base with the catch bar of rotary rod looks joint, when the screens post displacement with rotary rod through connection outside the locking lid, rotate the locking lid and make the screens post pass the cross bore on the locking lid, realize the dismantlement of locking lid, and then accomplish the change of shaving cutter, and when shaving cutter fixes on the fixed axle, through first stopper on the mounting hole and the second stopper on the fixed axle are crisscross, can realize the sliding connection of shaving cutter and fixed axle, thereby restrict the moving direction of shaving cutter.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the gear shaving cutter and the second stopper of the present invention;

fig. 3 is a schematic structural view of the fixing assembly of the present invention;

fig. 4 is a schematic structural view of the O-ring and the gasket of the present invention.

In the figure: 1. shaving a gear cutter; 11. mounting holes; 12. a first stopper; 2. a fixing assembly; 21. a fixed shaft; 22. a second limiting block; 23. a locking cover; 24. a fixed seat; 25. rotating a hand wheel; 26. rotating the rod; 27. a push rod; 28. a position clamping column; 29. a cross hole; 2a, an O-shaped ring; 2b, a gasket; 2c, a connecting rod; 2d, a handle; 2e, anti-skid lines.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 heavily, a fixing structure for facilitating replacement of a shaving cutter comprises a shaving cutter 1, the shaving cutter 1 includes a mounting hole 11, the mounting hole 11 is disposed at the center of the shaving cutter 1, a plurality of first limiting blocks 12 are disposed on the surface of the mounting hole 11 around the center of the mounting hole 11, a fixing component 2 is disposed in the mounting hole 11 in a penetrating manner, the fixing component 2 includes a fixing shaft 21, a plurality of second limiting blocks 22 are disposed on the outer surface of the fixing shaft 21 around the center of the fixing shaft 21, the fixing shaft 21 is slidably connected to the plurality of first limiting blocks 12 on the mounting hole 11 through the plurality of second limiting blocks 22, a locking cover 23 is disposed on one side of the fixing shaft 21, a fixing seat 24 is connected to one side of the fixing shaft 21 away from the locking cover 23, a rotating handwheel 25 is disposed on one side of the fixing seat 24 away from the fixing shaft 21, the center of rotatory hand wheel 25 is equipped with rotary rod 26, rotary rod 26 through the screw thread with the inside of fixing base 24 is connected, just rotary rod 26 is kept away from one side card of rotatory hand wheel 25 is equipped with catch bar 27, catch bar 27 runs through in proper order fixing base 24, fixed axle 21 and mounting hole 11, catch bar 27 is kept away from the one end through connection of rotary rod 26 has screens post 28, screens post 28 with cross hole 29 on the locking lid 23 agrees with mutually.

Referring to fig. 1, the outer surface of the locking cover 23 is provided with anti-slip threads 2 e. In this embodiment, since the outer surface of the locking cover 23 is provided with the anti-slip pattern 2e, it is possible to increase the friction force between the fingers and the locking cover 23.

Referring to fig. 1 and 3, the cross hole of the cross hole 29 penetrates the locking cover 23. In this embodiment, since the cross hole of the cross hole 29 penetrates the locking cap 23, it is possible to rotate the locking cap 23 so that the catching column 28 passes through the cross hole in the cross hole 29, thereby achieving the detachment of the locking cap 23.

Referring now to fig. 1 and 3, the length of the retention post 28 and the cross-hole are both greater than the diameter of the mounting hole 11. In this embodiment, the length of the detent post 28 and the length of the transverse hole are both greater than the diameter of the mounting hole 11, so that the pushing rod 27 can be prevented from falling out of the fixing shaft 21.

Please refer to fig. 3 again, a connecting rod 2c is welded on the surface of one side of the rotating handwheel 25 away from the rotating rod 26, a handle 2d is welded on one side of the connecting rod 2c away from the locking cover 23, and four grooves are connected to the bottom end of the handle 2d and are sequentially and horizontally arranged. In this embodiment, because the welding of one side skin that rotatory hand wheel 25 is kept away from rotary rod 26 has connecting rod 2c, can realize replacing little moment of torsion with big moment of torsion to make it is more laborsaving to rotate rotatory hand wheel 25, because the bottom of handle 2d is connected with four recesses, can realize the promotion of feeling handle 2 d.

Referring to fig. 4, an O-ring 2a is disposed between the shaving cutter 1 and the locking cap 23, a gasket 2b is disposed on an inner surface of the O-ring 2a, a height of the gasket 2b is smaller than a height of the O-ring 2a, and an outer diameter of the gasket 2b is equal to a diameter of the locking cap 23. In the present embodiment, since the height of the gasket 2b is less than the height of the O-ring 2a, and the diameter of the outer circle of the gasket 2b is equal to the diameter of the locking cover 23, the locking cover 23 can be fitted to the O-ring 2a, so that dry friction between the locking cover 23 and the shaver 1 is avoided, and convenience is provided for installation of the locking cover 23.

The utility model discloses a concrete operation as follows:

when the shaving cutter 1 is replaced, firstly, the handle 2d is utilized to carry out angular displacement by taking the circle center of the rotating hand wheel 25 as the center, so that the rotating hand wheel 25 and the rotating rod 26 connected with the rotating hand wheel 25 rotate, when the rotating rod 26 rotates, the rotating rod 26 can move horizontally through the threads on the outer surface of the rotating rod 26, and further the pushing rod 27 clamped with the rotating rod 26 is driven to move horizontally in the fixed seat 24 and the fixed shaft 21, and when the clamping column 28 on the pushing rod 27 moves to one side of the locking cover 23 far away from the shaving cutter 1, the locking cover 23 is rotated, the clamping column 28 penetrates through the transverse hole in the cross hole 29 on the locking cover 23, so that the locking cover 23 is detached, and the shaving cutter 1 is detached, and when the shaving cutter 1 is installed, the first limiting block 12 in the shaving cutter 1 is crossed with the second limiting block 22 on the fixed shaft 21, the mounting of the shaver 1 on the fixed shaft 21 is effected and the mounting of the shaver 1 is effected by retracting the locking cap 23 and the rotating lever 26 to the previous position.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. A fixing structure convenient for replacing a gear shaving cutter comprises the gear shaving cutter (1), and is characterized in that the gear shaving cutter (1) comprises a mounting hole (11), the mounting hole (11) is formed in the center of the gear shaving cutter (1), a plurality of first limiting blocks (12) are arranged on the surface of the mounting hole (11) in a surrounding mode by taking the circle center of the mounting hole (11) as the center, and a fixing assembly (2) penetrates through the mounting hole (11);

fixed subassembly (2) is including fixed axle (21), the surface of fixed axle (21) uses the centre of a circle of fixed axle (21) to encircle as the center and be equipped with a plurality of second stopper (22), just fixed axle (21) through a plurality of second stopper (22) with a plurality of on mounting hole (11) first stopper (12) sliding connection, one side of fixed axle (21) is equipped with locking lid (23), one side that locking lid (23) were kept away from in fixed axle (21) is connected with fixing base (24), one side that fixing base (24) were kept away from fixed axle (21) is equipped with rotatory hand wheel (25), the center of rotatory hand wheel (25) is equipped with rotary rod (26), rotary rod (26) through the screw thread with the inside of fixing base (24) is connected, just rotary rod (26) are kept away from one side card of rotatory hand wheel (25) is equipped with catch bar (27), the pushing rod (27) penetrates through the fixed seat (24), the fixed shaft (21) and the mounting hole (11) in sequence, one end, far away from the rotating rod (26), of the pushing rod (27) is connected with a clamping column (28) in a penetrating mode, and the clamping column (28) is matched with a cross hole (29) in the locking cover (23).

2. A fixing structure facilitating replacement of a shaver as claimed in claim 1, wherein a cross hole of the cross hole (29) penetrates the locking cap (23).

3. A fixing structure for facilitating replacement of a shaver as claimed in claim 2, wherein the length of each of the position-retaining post (28) and the cross-hole is greater than the diameter length of the mounting hole (11).

4. A fixing structure for facilitating replacement of a shaver as claimed in claim 1, wherein an O-ring (2a) is provided between the shaver (1) and the locking cap (23), an inner surface of the O-ring (2a) is provided with a gasket (2b), a height of the gasket (2b) is shorter than a height of the O-ring (2a), and an outer diameter of the gasket (2b) is equal to a diameter of the locking cap (23).

5. A fixing structure for facilitating replacement of a gear shaving cutter according to claim 1, wherein a connecting rod (2c) is welded on the surface of one side of the rotating hand wheel (25) far away from the rotating rod (26), a handle (2d) is welded on one side of the connecting rod (2c) far away from the locking cover (23), four grooves are connected to the bottom end of the handle (2d), and the four grooves are sequentially and horizontally arranged.

6. A fixing structure for facilitating replacement of a shaver as claimed in claim 1, wherein an outer surface of the locking cap (23) is provided with an anti-slip pattern (2 e).