CN218461079U

CN218461079U - Hobbing cutting device is used in sprocket production

Info

Publication number: CN218461079U
Application number: CN202222113915.6U
Authority: CN
Inventors: 柯炳坤
Original assignee: Quanzhou Longkun Machinery Manufacturing Development Co ltd
Current assignee: Quanzhou Longkun Machinery Manufacturing Development Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-02-10
Anticipated expiration: 2032-08-11

Abstract

The utility model discloses a sprocket production is with gear hobbing cutting device relates to gear hobbing cutting technical field, and for solving current gear hobbing mode that most all relied on about extrusion both ends when the cutting is fixed, take place easily in the time of the atress and rotate the skew to the piece is attached to the surface of next gear hobbing easily, leads to cutting inaccurate problem. A cutting cylinder is arranged at the upper end of the driving plate, a cutting seat is arranged at the front end of the cutting cylinder, and a cutting tool bit is arranged at the lower end of the cutting seat; further comprising: the fixed air cylinder is arranged on one side of the first fixed plate and one side of the second fixed plate, one end of the fixed air cylinder is provided with a squeezing pad, and the lower end of the fixed air cylinder is provided with an air cylinder connecting seat; and the air outlet pipes are arranged on two sides of the cutting tool bit, the upper end surface of the cutting seat is provided with an air inlet pipe, and the air inlet pipe is communicated with the air outlet pipes.

Description

Hobbing cutting device is used in sprocket production

Technical Field

The utility model relates to a gear hobbing cutting technical field specifically is a gear hobbing cutting device is used in sprocket production.

Background

The chain wheel mainly consists of a wheel and a hobbing and realizes transmission by connecting the hobbing with a chain, so that a plurality of hobbing are required to be cut into the same size in order to improve the transmission smoothness;

for example, a chinese granted patent (a hobbing device for gear box production) with publication number CN 208644300U: the novel multifunctional workbench comprises a workbench, the bottom of the workbench is connected with four supporting legs, the two sides of the top of the workbench are connected with two supports, the tops of the two supports are connected with a cross beam, a switch group is arranged on the front of the workbench, two vertical plates are connected on the right side of the supports and between the cross beam and the workbench, the top of the workbench is provided with two bases, and the bottom of the cross beam is provided with two footstands. This gear hobbing device is used in gear box production is provided with punch holder and lower plate, can drive punch holder and lower plate through two cylinders and reciprocate to press from both sides the work piece tight fixedly.

However, most of the existing hobbing teeth are fixed by means of vertically extruding two ends when cutting and fixing, rotational deviation is easy to occur when force is applied, and scraps are easy to adhere to the surface of the next hobbing tooth, so that cutting is not accurate; therefore, the existing requirements are not met, and a hobbing cutting device for producing the chain wheel is provided for the existing requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hobbing cutting device is used in sprocket production to solve the current hobbing that proposes in the above-mentioned background art and mostly rely on the mode at upper and lower extrusion both ends to fix when the cutting is fixed, take place easily in the atress and rotate the skew, and the piece is attached to the surface of next hobbing easily, leads to cutting inaccurate problem.

In order to achieve the above object, the utility model provides a following technical scheme: a hobbing cutting device for sprocket production, comprising: the cutting machine comprises a driving plate, a first fixing plate and a second fixing plate, wherein a cutting cylinder is arranged at the upper end of the driving plate, a cutting seat is arranged at the front end of the cutting cylinder, and a cutting tool bit is arranged at the lower end of the cutting seat;

further comprising:

the fixed air cylinder is arranged on one side of the first fixed plate and one side of the second fixed plate, one end of the fixed air cylinder is provided with a squeezing pad, and the lower end of the fixed air cylinder is provided with an air cylinder connecting seat;

and the air outlet pipes are arranged on two sides of the cutting tool bit, the upper end surface of the cutting seat is provided with an air inlet pipe, and the air inlet pipe is communicated with the air outlet pipes.

Preferably, be provided with between first fixed plate and the second fixed plate and prevent the case that splashes, the both ends of preventing the case that splashes all are provided with the stationary blade, one side of stationary blade is provided with the single-end fastener, and the stationary blade passes through single-end fastener and first fixed plate threaded connection.

Preferably, the one end of first fixed plate and second fixed plate all is provided with rotates the post, the outside of rotating the post is provided with ball bearing, the one end of rotating the post is provided with inverter motor mechanism, two be provided with the sprocket connecting axle between the rotation post, and inside two rotation posts were inserted respectively at the both ends of sprocket connecting axle, the outside of sprocket connecting axle is provided with the sprocket.

Preferably, the lower end of the second fixing plate is provided with a driving seat, a ball screw assembly is arranged in the driving seat, and the ball screw assembly is connected with the first fixing plate through a moving seat.

Preferably, the upper surface of the driving seat is provided with a moving groove, the moving groove and the driving seat are of an integral structure, and the lower end of the first fixing plate is provided with a moving wheel which moves along the moving groove.

Preferably, the one end of inverter motor mechanism is provided with the motor cabinet, and motor cabinet and cylinder connecting seat all are fixed through external fastener and first fixed plate.

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

1. the utility model discloses an all set up fixed cylinder in first fixed plate and second fixed plate one side, and all set up the rotation post of installing ball bearing in the one end of first fixed plate and second fixed plate, inside two rotation posts were inserted respectively at the both ends of sprocket connecting axle, thereby extrude fixedly to the sprocket connecting axle, it rotates along ball bearing to rely on inverter motor mechanism to drive the rotation post, it extrudes fixedly to the sprocket to utilize two fixed cylinders to drive two extrusion pads, the atress rotates the skew when avoiding cutting the tool bit to extrude the cutting between two hobbing, and stability is improved, through the external air pump of intake pipe, the smear metal is good a hobbing and the sprocket rotates after next hobbing, rely on the outlet duct to give vent to anger, clear up the piece, improve the accuracy nature of hobbing.

2. Prevent the case that splashes through setting up in the sprocket below, prevent that the incasement portion that splashes has adorned water, the piece that drops falls into the incasement portion that splashes that prevents that is equipped with water, and with water contact back, the piece receives the tension and the adsorptivity of water, just can not in disorder fly when blowing next time, also prevents that the piece from scattering again on the sprocket, improves the convenience that the piece was collected.

Drawings

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

fig. 2 is a left side view schematically illustrating the first and second fixing plates of the present invention;

fig. 3 is a schematic top view of the upper surface of the driving seat of the present invention;

in the figure: 1. a drive plate; 2. a cutting cylinder; 3. a cutting seat; 4. a cutting bit; 5. an air inlet pipe; 6. an air outlet pipe; 7. a first fixing plate; 8. a second fixing plate; 9. a variable frequency motor mechanism; 10. a sprocket; 11. fixing the air cylinder; 12. a cylinder connecting seat; 13. a splash-proof box; 14. a fixing sheet; 15. a single-headed fastener; 16. a driving seat; 17. a movable seat; 18. rotating the column; 19. a ball bearing; 20. a sprocket connecting shaft; 21. pressing the cushion; 22. a ball screw assembly; 23. a moving groove; 24. a moving wheel; 25. a motor base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a hobbing cutting device for sprocket production, comprising: the chain wheel gear hobbing machine comprises a drive plate 1, a first fixing plate 7 and a second fixing plate 8, wherein a cutting cylinder 2 is arranged at the upper end of the drive plate 1, a cutting seat 3 is arranged at the front end of the cutting cylinder 2, a cutting tool bit 4 is arranged at the lower end of the cutting seat 3, the cutting cylinder 2 pushes the cutting seat 3 to move back and forth, the cutting tool bit 4 is driven by a motor inside the cutting seat 3 to rotate, and therefore hobbing on the surface of a chain wheel is machined.

Further comprising:

a fixed cylinder 11 disposed at one side of the first and

second fixing plates

7 and 8, a pressing pad 21 disposed at one end of the fixed cylinder 11, and a cylinder connecting seat 12 disposed at a lower end of the fixed cylinder 11;

and the air outlet pipes 6 are arranged on two sides of the cutting tool bit 4, the upper end surface of the cutting seat 3 is provided with an air inlet pipe 5, and the air inlet pipe 5 is communicated with the air outlet pipes 6.

Referring to fig. 1, a splash-proof box 13 is arranged between a first fixing plate 7 and a second fixing plate 8, fixing pieces 14 are arranged at two ends of the splash-proof box 13, a single-head fastener 15 is arranged on one side of each fixing piece 14, the fixing pieces 14 are in threaded connection with the first fixing plate 7 through the single-head fasteners 15, falling debris falls into the splash-proof box 13 filled with water, and after the falling debris contacts the water, the falling debris is under tension and adsorbability of the water, so that the debris cannot fly in a mess when being blown next time, and convenience in debris collection is improved.

Referring to fig. 2, one end of each of the first fixing plate 7 and the second fixing plate 8 is provided with a rotating column 18, a ball bearing 19 is disposed outside the rotating column 18, one end of the rotating column 18 is provided with a variable frequency motor mechanism 9, a sprocket connecting shaft 20 is disposed between the two rotating columns 18, two ends of the sprocket connecting shaft 20 are respectively inserted into the two rotating columns 18, and a sprocket 10 is disposed outside the sprocket connecting shaft 20 to fix the sprocket 10 and rotate by means of the variable frequency motor mechanism 9.

Referring to fig. 1 and 3, a driving seat 16 is disposed at a lower end of the second fixing plate 8, a ball screw assembly 22 is disposed inside the driving seat 16, the ball screw assembly 22 is connected to the first fixing plate 7 through a moving seat 17, and the ball screw assembly 22 mainly includes a servo motor and a ball screw to drive the first fixing plate 7 to move.

Referring to fig. 1 and 3, a moving groove 23 is formed on the upper surface of the driving seat 16, the moving groove 23 and the driving seat 16 are integrated, a moving wheel 24 is disposed at the lower end of the first fixing plate 7, and the moving wheel 24 moves along the moving groove 23, so as to improve the moving stability of the first fixing plate 7.

Referring to fig. 1 and 2, a motor base 25 is disposed at one end of the variable frequency motor mechanism 9, and the motor base 25 and the cylinder connecting base 12 are fixed to the first fixing plate 7 through an external fastener, so that the variable frequency motor mechanism 9 and the fixing cylinder 11 are fixed conveniently.

The working principle is as follows: when the automatic chip removing machine is used, the ball screw assembly 22 is used for driving the first fixing plate 7 to be far away from the second fixing plate 8, the chain wheel 10 provided with the chain wheel connecting shaft 20 is placed between the first fixing plate 7 and the second fixing plate 8, then the first fixing plate 7 is moved, two ends of the chain wheel connecting shaft 20 are respectively inserted into the two rotating columns 18, the chain wheel connecting shaft 20 is extruded and fixed, the rotating columns 18 are driven to rotate along the ball bearings 19 by means of the variable frequency motor mechanism 9, the two extruding cushions 21 are driven by the two fixing cylinders 11 to extrude and fix the chain wheel 10, stress rotation deviation when the cutting tool head 4 extrudes and cuts two hobbing teeth is avoided, stability is improved, the cutting cylinder 2 pushes the cutting seat 3 to move back and forth, the cutting tool head 4 is driven to rotate by a motor inside the cutting seat 3, hobbing teeth on the surface are machined, an air pump is externally connected with the air inlet pipe 5, chipping is cleaned, the next hobbing tooth is rotated after the next hobbing tooth is cut, gas is discharged by means of the air outlet pipe 6, accuracy of hobbing tooth cutting is improved, the falling debris falls into the anti-splash box 13, and the convenience in collection of splashing of water and the debris collection can be avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Claims

1. A hobbing cutting device for chain wheel production comprises a driving plate (1), a first fixing plate (7) and a second fixing plate (8), wherein a cutting cylinder (2) is arranged at the upper end of the driving plate (1), a cutting seat (3) is arranged at the front end of the cutting cylinder (2), and a cutting tool bit (4) is arranged at the lower end of the cutting seat (3);

the method is characterized in that: further comprising:

the fixed cylinder (11) is arranged on one side of the first fixed plate (7) and one side of the second fixed plate (8), one end of the fixed cylinder (11) is provided with a squeezing pad (21), and the lower end of the fixed cylinder (11) is provided with a cylinder connecting seat (12);

and the air outlet pipes (6) are arranged on two sides of the cutting tool bit (4), the upper end surface of the cutting seat (3) is provided with an air inlet pipe (5), and the air inlet pipe (5) is communicated with the air outlet pipes (6).

2. The hobbing cutting device for producing the sprocket according to claim 1, wherein: be provided with between first fixed plate (7) and second fixed plate (8) and prevent splashing case (13), the both ends of preventing splashing case (13) all are provided with stationary blade (14), one side of stationary blade (14) is provided with single-end fastener (15), and stationary blade (14) pass through single-end fastener (15) and first fixed plate (7) threaded connection.

3. The hobbing cutting device for producing the sprocket according to claim 1, wherein: the one end of first fixed plate (7) and second fixed plate (8) all is provided with rotates post (18), the outside of rotating post (18) is provided with ball bearing (19), the one end of rotating post (18) is provided with inverter motor mechanism (9), two be provided with sprocket connecting axle (20) between rotating post (18), and inside two rotation posts (18) inserted respectively at the both ends of sprocket connecting axle (20), the outside of sprocket connecting axle (20) is provided with sprocket (10).

4. The hobbing cutting device for producing the sprocket according to claim 1, wherein: the lower extreme of second fixed plate (8) is provided with drive seat (16), the inside of drive seat (16) is provided with ball screw subassembly (22), ball screw subassembly (22) are connected through removing seat (17) between seat (17) and first fixed plate (7).

5. The hobbing cutting device for producing the sprocket according to claim 4, wherein: the upper surface of the driving seat (16) is provided with a moving groove (23), the moving groove (23) and the driving seat (16) are of an integral structure, the lower end of the first fixing plate (7) is provided with a moving wheel (24), and the moving wheel (24) moves along the moving groove (23).

6. The hobbing cutting device for sprocket production according to claim 3, wherein: one end of the variable frequency motor mechanism (9) is provided with a motor base (25), and the motor base (25) and the cylinder connecting seat (12) are fixed with the first fixing plate (7) through external fasteners.