CN218461079U - Hobbing cutting device is used in sprocket production - Google Patents

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

A hobbing and cutting device for sprocket production

technical field

The utility model relates to the technical field of hobbing and cutting, in particular to a hobbing and cutting device for sprocket production.

Background technique

The sprocket is mainly composed of wheels and hobs, and the transmission is realized by connecting the hobs with the chain. Therefore, in order to improve the smoothness of transmission, multiple hobs need to be cut to the same size;

For example, the Chinese authorized patent (a gear hobbing device for gear box production) whose notification number is CN208644300U: includes a workbench, four supporting legs are connected to the bottom of the workbench, and two supporting legs are connected to the top of the workbench on both sides. Bracket, the top of the two brackets is connected with a beam, the front of the workbench is provided with a switch group, the right side of the bracket is connected with two vertical plates between the beam and the workbench, and the top of the workbench is set There are two bases, and two top seats are provided at the bottom of the beam. The gear hobbing device for gear box production is provided with an upper splint and a lower splint, and two cylinders can drive the upper splint and the lower splint to move up and down, thereby clamping and fixing the workpiece.

However, most of the existing hobbing gears are fixed by pressing the two ends up and down when cutting and fixing. When the force is applied, it is easy to rotate and deviate, and debris is easy to adhere to the surface of the next hob, resulting in inaccurate cutting ; Therefore, it does not meet the existing needs, and we propose a hobbing device for sprocket production.

Utility model content

The purpose of this utility model is to provide a hobbing cutting device for sprocket production to solve the problem that most of the existing hobbing gears proposed in the background technology are fixed by pressing the two ends up and down when they are cut and fixed. When it is easy to rotate and deviate, and debris is easy to adhere to the surface of the next hob, resulting in inaccurate cutting.

In order to achieve the above object, the utility model provides the following technical solutions: a hobbing and cutting device for sprocket production, comprising: a drive plate, a first fixed plate and a second fixed plate, the upper end of the drive plate is provided with a cutting cylinder, The front end of the cutting cylinder is provided with a cutting seat, and the lower end of the cutting seat is provided with a cutting head;

Also includes:

A fixed cylinder, which is arranged on one side of the first fixed plate and the second fixed plate, one end of the fixed cylinder is provided with a squeeze pad, and the lower end of the fixed cylinder is provided with a cylinder connecting seat;

The air outlet pipe is arranged on both sides of the cutting head, the upper end surface of the cutting seat is provided with an air inlet pipe, and the air inlet pipe and the air outlet pipe communicate with each other.

Preferably, an anti-splash box is arranged between the first fixing plate and the second fixing plate, and both ends of the anti-splash box are provided with fixing sheets, and one side of the fixing sheet is provided with a single-head fastener , and the fixed piece is screwed to the first fixed plate through a single-head fastener.

Preferably, one end of the first fixed plate and the second fixed plate are provided with a rotating column, the outside of the rotating column is provided with a ball bearing, and one end of the rotating column is provided with a variable frequency motor mechanism, and the two rotating columns A sprocket connecting shaft is arranged between the columns, and the two ends of the sprocket connecting shaft are respectively inserted into the interior of the two rotating columns, and a sprocket is arranged outside the sprocket connecting shaft.

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

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

Preferably, one end of the variable frequency motor mechanism is provided with a motor seat, and both the motor seat and the cylinder connection seat are fixed to the first fixing plate by external fasteners.

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

1. The utility model is provided with a fixed cylinder on one side of the first fixed plate and the second fixed plate, and a rotating column with a ball bearing is installed at one end of the first fixed plate and the second fixed plate, and the sprocket is connected to the shaft. The two ends of the two rotating columns are respectively inserted into the interior of the two rotating columns to squeeze and fix the sprocket connecting shaft. The rotating column is driven to rotate along the ball bearing by the frequency conversion motor mechanism, and the sprocket is fixed by using two fixed cylinders to drive two extrusion pads. Squeeze and fix to prevent the cutting head from extruding and cutting between the two hobs when it is forced to rotate and deviate, which improves stability. The air pump is connected externally through the intake pipe, and the chips are removed from one hob and the sprocket rotates to the next hob. After the teeth, rely on the air outlet pipe to discharge the air to clean up the debris and improve the accuracy of hobbing cutting.

2. By installing an anti-splash box under the sprocket, the inside of the anti-splash box is filled with water, and the falling debris falls into the inside of the anti-splash box filled with water. After contacting with water, the debris is subjected to the tension of water and Adsorption, the next time you blow air, it will not fly randomly, and it also prevents debris from re-scattering on the sprocket, improving the convenience of debris collection.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the structural representation of the first fixed plate and the second fixed plate of the present utility model, as viewed from the left side;

Fig. 3 is a structural schematic diagram of the top surface of the driving seat of the present invention;

In the figure: 1. drive plate; 2. cutting cylinder; 3. cutting seat; 4. cutting head; 5. air intake pipe; 6. air outlet pipe; 7. first fixed plate; 8. second fixed plate; Frequency conversion motor mechanism; 10, sprocket; 11, fixed cylinder; 12, cylinder connection seat; 13, anti-splash box; 14, fixed piece; 15, single-head fastener; 16, driving seat; 17, moving seat; 18 , rotating column; 19, ball bearing; 20, sprocket connecting shaft; 21, squeeze pad; 22, ball screw assembly; 23, moving groove; 24, moving wheel; 25, motor seat.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Please refer to Fig. 1-3, an embodiment provided by the utility model: a hobbing and cutting device for sprocket production, including: a drive plate 1, a first fixed plate 7 and a second fixed plate 8, the drive plate 1 The upper end is provided with a cutting cylinder 2, the front end of the cutting cylinder 2 is provided with a cutting seat 3, the lower end of the cutting seat 3 is provided with a cutting head 4, the cutting cylinder 2 pushes the cutting seat 3 to move back and forth, and the cutting head 4 is formed by the cutting seat 3. The internal motor drives the rotation to process the hobbing gear on the surface of the sprocket. These contents belong to the common structure of the existing gear hobbing cutting device, and the specific structure will not be repeated here.

Also includes:

The fixed cylinder 11 is arranged on one side of the first fixed plate 7 and the second fixed plate 8, one end of the fixed cylinder 11 is provided with an extrusion pad 21, and the lower end of the fixed cylinder 11 is provided with a cylinder connection seat 12;

The air outlet pipe 6 is arranged on both sides of the cutting head 4 , the upper end surface of the cutting seat 3 is provided with an air inlet pipe 5 , and the air inlet pipe 5 communicates with the air outlet pipe 6 .

Please refer to Fig. 1, between the first fixed plate 7 and the second fixed plate 8, an anti-splash case 13 is arranged, and both ends of the anti-splash case 13 are provided with a fixed plate 14, and one side of the fixed plate 14 is provided with a single-head tight Firmware 15, and the fixed piece 14 is threadedly connected with the first fixed plate 7 by the single head fastener 15, and the debris that falls falls into the anti-splash box 13 inside that water is housed, and after contacting with water, the debris is subjected to water With excellent tension and adsorption, it will not fly around when you blow air next time, which improves the convenience of debris collection.

Referring to Fig. 2, one end of the first fixed plate 7 and the second fixed plate 8 is provided with a rotating column 18, the outside of the rotating column 18 is provided with a ball bearing 19, and one end of the rotating column 18 is provided with a variable frequency motor mechanism 9, two A sprocket connecting shaft 20 is arranged between the rotating columns 18, and the two ends of the sprocket connecting shaft 20 are respectively inserted into the inside of the two rotating columns 18, and the sprocket 10 is arranged outside the sprocket connecting shaft 20, and the sprocket 10 is fixed. , rely on frequency conversion motor mechanism 9 to realize rotation.

Please refer to Fig. 1 and Fig. 3, the lower end of the second fixed plate 8 is provided with a driving seat 16, and the inside of the driving seat 16 is provided with a ball screw assembly 22, and the ball screw assembly 22 passes between the moving seat 17 and the first fixed plate 7. The space is connected by a moving seat 17, and the ball screw assembly 22 is mainly composed of a servo motor and a ball screw, which drives the first fixed plate 7 to move.

Please refer to Fig. 1 and Fig. 3, the upper surface of driving seat 16 is provided with moving groove 23, and moving groove 23 and driving seat 16 are integral structures, and the lower end of first fixed plate 7 is provided with moving wheel 24, and moving wheel 24 is along Move along the moving groove 23 to improve the stability of the first fixed plate 7 moving.

Please refer to Fig. 1 and Fig. 2, one end of variable frequency motor mechanism 9 is provided with motor seat 25, and motor seat 25 and cylinder connecting seat 12 are all fixed with the first fixing plate 7 by external fastener, is convenient to variable frequency motor mechanism 9 and fixing Cylinder 11 is fixed.

Working principle: When in use, the ball screw assembly 22 is used to drive the first fixed plate 7 away from the second fixed plate 8, so that the sprocket 10 with the sprocket connecting shaft 20 is placed on the first fixed plate 7 and the second fixed plate 8 between, and then move the first fixing plate 7, the two ends of the sprocket connecting shaft 20 are respectively inserted into the two rotating columns 18, thereby squeezing and fixing the sprocket connecting shaft 20, and relying on the frequency conversion motor mechanism 9 to drive the rotating column 18 along the The ball bearing 19 is rotated, and the two fixed cylinders 11 are used to drive the two extrusion pads 21 to squeeze and fix the sprocket 10, so as to prevent the cutting head 4 from being forced to rotate when the two hobs are squeezed and cut. To improve the stability, the cutting cylinder 2 pushes the cutting seat 3 to move back and forth. The cutting head 4 is driven by the motor inside the cutting seat 3 to rotate, thereby processing the hobbing on the surface of the sprocket. The air pump is connected externally through the air intake pipe 5. After the chips are hobbed and the sprocket 10 rotates to the next hob, air is released from the air outlet pipe 6 to clean up the chips and improve the accuracy of hobbing. The falling chips fall into the anti-splash machine filled with water Inside the box 13, after being in contact with water, the debris is subject to the tension and adsorption of the water, so that it will not fly randomly when blowing air next time, which improves the convenience of debris collection.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. a gear hobbing device for sprocket production, comprising a drive plate (1), a first fixed plate (7) and a second fixed plate (8), the upper end of the drive plate (1) is provided with a cutting cylinder ( 2), the front end of the cutting cylinder (2) is provided with a cutting seat (3), and the lower end of the cutting seat (3) is provided with a cutting head (4); It is characterized in that: it also includes: A fixed cylinder (11), which is arranged on one side of the first fixed plate (7) and the second fixed plate (8), one end of the fixed cylinder (11) is provided with a squeeze pad (21), the The lower end of the fixed cylinder (11) is provided with a cylinder connection seat (12); Air outlet pipe (6), which is arranged on both sides of the cutting head (4), the upper end surface of the cutting seat (3) is provided with an air inlet pipe (5), and the air inlet pipe (5) and the air outlet pipe (6) ) intercommunication. 2. A gear hobbing device for sprocket production according to claim 1, characterized in that an anti-splash box (13) is arranged between the first fixed plate (7) and the second fixed plate (8) ), the two ends of the splash-proof box (13) are provided with a fixed piece (14), one side of the fixed piece (14) is provided with a single head fastener (15), and the fixed piece (14) passes through The single head fastener (15) is threadedly connected with the first fixing plate (7). 3. A hobbing device for sprocket production according to claim 1, characterized in that: one end of the first fixed plate (7) and the second fixed plate (8) is provided with a rotating column (18 ), the outside of the rotating column (18) is provided with a ball bearing (19), and one end of the rotating column (18) is provided with a variable frequency motor mechanism (9), and between the two rotating columns (18) is provided with The sprocket connection shaft (20), and the two ends of the sprocket connection shaft (20) are respectively inserted into the two rotating columns (18), and the sprocket (10) is arranged outside the sprocket connection shaft (20). 4. A gear hobbing device for sprocket production according to claim 1, characterized in that: the lower end of the second fixed plate (8) is provided with a driving seat (16), and the driving seat (16) A ball screw assembly (22) is arranged inside, and the ball screw assembly (22) is connected with the first fixed plate (7) through a moving seat (17) through a moving seat (17). 5. A hobbing device for sprocket production according to claim 4, characterized in that: the upper surface of the driving seat (16) is provided with a moving groove (23), and the moving groove (23) is connected with the driving The seat (16) is an integral structure, and the lower end of the first fixed plate (7) is provided with a moving wheel (24), and the moving wheel (24) moves along the moving groove (23). 6. A gear hobbing device for sprocket production according to claim 3, characterized in that: one end of the variable frequency motor mechanism (9) is provided with a motor seat (25), and the motor seat (25) and the cylinder The connecting seats (12) are all fixed to the first fixing plate (7) by external fasteners.

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