CN212144843U

CN212144843U - Numerical control gear hobbing machine convenient to tool changing

Info

Publication number: CN212144843U
Application number: CN202020363786.4U
Authority: CN
Inventors: 耿林松
Original assignee: Chongqing Weigesen Machine Tool Equipment Co ltd
Current assignee: Chongqing Weigesen Machine Tool Equipment Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-12-15
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a numerical control gear hobbing machine convenient to tool changing, the bottom plate up end is equipped with fixed column and cylinder, the cylinder upper end is equipped with the lift post, lift post upper end is equipped with the diaphragm, the diaphragm both ends set up in the slide, the slide is equipped with two sets ofly altogether, the diaphragm up end is equipped with the hob shaft, be equipped with the blade holder on the hob shaft, the blade holder both ends are equipped with the nut, hob inner sets up inside the blade holder, the hob is connected with the blade holder through linking the axle, fixation nut sets up the both ends at linking the axle, the commentaries on classics board sets up the upper end at the hob shaft, the both ends setting of commentaries on classics board is in the slide, the fastener sets up the both ends at the hob shaft, the transmission shaft sets up in commentaries on classics board up terminal surface center department.

Description

Numerical control gear hobbing machine convenient to tool changing

Technical Field

The utility model relates to a numerical control gear hobbing machine equipment technical field specifically is a numerical control gear hobbing machine convenient to tool changing.

Background

The hobbing machine is one of the most widely used gear cutting machines, and can cut straight teeth, helical cylindrical gears, worm gears, chain wheels, etc. A gear processing machine for processing straight teeth, helical teeth, herringbone cylindrical gears and worm gears by a hob according to a generating method. When the machine tool uses a special hob, various workpieces with special tooth shapes such as a spline, a chain wheel and the like can be machined. The machining precision of the common hobbing machine is 7-6 grades (JB179-83), and the machining precision of the high-precision hobbing machine is 4-3 grades. The maximum processing diameter is up to 15 meters.

The hobbing cutter of the existing numerical control gear hobbing machine is mostly of a fixed structure, the height of the hobbing cutter is not easy to adjust, and the practicability of the hobbing cutter is limited; the hobbing cutter structure of the existing numerical control gear hobbing machine is complicated, is not easy to replace and has certain limitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control gear hobbing machine convenient to tool changing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a numerical control gear hobbing machine convenient for tool changing comprises a bottom plate, a fixed column, an air cylinder, a lifting column, a transverse plate, a sliding seat, a roller shaft, tool rests, nuts, a hob, connecting shafts, fixing nuts, a rotating plate, clamping pieces, a transmission shaft, a motor, a fixed frame, a support and support columns, wherein the fixed column and the air cylinder are arranged on the upper end surface of the bottom plate, the lifting column is arranged at the upper end of the air cylinder, the transverse plate is arranged at the upper end of the lifting column, the two ends of the transverse plate are arranged in the sliding seat, the two groups of sliding seats are arranged, the roller shaft is arranged on the upper end surface of the transverse plate, the tool rests are arranged on the roller shaft, the nuts are arranged at the two ends of the tool rests, the inner ends of the hob are arranged inside the tool rests, the hob is connected with the tool rests through the connecting shafts, the fixing nuts are arranged at, the transmission shaft sets up in commentaries on classics board up end center department, and the transmission shaft upper end is equipped with the motor, the motor sets up inside fixed frame, fixed frame outer wall is equipped with the support, the support outer end is equipped with the pillar.

As a further aspect of the present invention: the upper end of the lifting column is fastened in the bearing, the bearing is arranged at the center of the lower end face of the transverse plate, and the height position of the transverse plate is convenient to adjust through the air cylinder and the lifting column, so that the hob on the hob shaft is convenient to disassemble and assemble, the operation is simple, and the practicability is high.

As a further aspect of the present invention: the slide inside wall is equipped with the recess, and the both ends of diaphragm and commentaries on classics board are equipped with the slider, and the slider setting is in the recess, and the diaphragm of being convenient for and commentaries on classics board rotate inside the slide, and can promote the steadiness of slide in the slip in-process effectively through setting up the fixed column.

As a further aspect of the present invention: the side wall of the hob shaft is provided with external threads, a through hole is formed in the tool apron, the hob shaft is provided with a through hole which penetrates through the tool apron, and the hob shaft is connected with a nut through threads, so that the position of the tool apron is convenient to adjust, the position of the tool apron and the position of the hob can be adjusted according to actual use requirements, and the practicability and the applicability are improved.

As a further aspect of the present invention: the cutter holder outer wall is equipped with the dead slot, and hobbing cutter inner sets up in the dead slot, is equipped with the round hole in the lateral wall of dead slot and the hobbing cutter, links the axle and runs through cutter holder and hobbing cutter by the round hole, and links the axle and be the threaded rod, links the axle and is connected through the screw thread with fixation nut, is convenient for carry out dismouting, easy operation to the hobbing cutter.

As a further aspect of the present invention: the clamping grooves are formed in the lower end face of the rotating plate and the upper end face of the transverse plate, the clamping piece is arranged in the clamping groove, and the rotating plate, the hob shaft, the hob and the transverse plate can be driven to rotate through the motor and the transmission shaft, so that hobbing can be achieved.

Compared with the prior art, the beneficial effects of the utility model are that: the upper end of the lifting column is buckled in the bearing, the bearing is arranged in the center of the lower end face of the transverse plate, and the height position of the transverse plate can be conveniently adjusted through the air cylinder and the lifting column, so that a hob on a hob shaft can be conveniently dismounted, the operation is simple, and the practicability is high; the side wall of the hob shaft is provided with external threads, a through hole is formed in the tool apron, the hob shaft is provided with a through hole which penetrates through the tool apron, and the hob shaft is connected with the nut through threads, so that the position of the tool apron is convenient to adjust, the positions of the tool apron and the hob can be adjusted according to actual use requirements, and the practicability and the applicability are improved; the cutter holder outer wall is equipped with the dead slot, and hobbing cutter inner sets up in the dead slot, is equipped with the round hole in the lateral wall of dead slot and the hobbing cutter, links the axle and runs through cutter holder and hobbing cutter by the round hole, and links the axle and be the threaded rod, links the axle and is connected through the screw thread with fixation nut, is convenient for carry out dismouting, easy operation to the hobbing cutter.

Drawings

Fig. 1 is a schematic structural view of a numerical control gear hobbing machine facilitating tool changing.

FIG. 2 is a front view of a numerically controlled gear hobbing machine that facilitates tool changing.

In the figure: the device comprises a bottom plate 1, a fixed column 2, a cylinder 3, a lifting column 4, a transverse plate 5, a sliding seat 6, a hob shaft 7, a hob seat 8, a nut 9, a hob 10, a connecting shaft 11, a fixed nut 12, a rotating plate 13, a clamping piece 14, a transmission shaft 15, a motor 16, a fixed frame 17, a support 18 and a support 19.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, a numerical control gear hobbing machine convenient for tool changing includes a bottom plate 1, a fixed column 2, a cylinder 3, a lifting column 4, a transverse plate 5, a slide seat 6, a roller shaft 7, a tool apron 8, a nut 9, a roller 10, a connecting shaft 11, a fixing nut 12, a rotating plate 13, a clamping member 14, a transmission shaft 15, a motor 16, a fixing frame 17, a support 18, and a support column 19, wherein the fixed column 2 and the cylinder 3 are disposed on an upper end of the bottom plate 1, the lifting column 4 is disposed on an upper end of the cylinder 3, the transverse plate 5 is disposed on an upper end of the lifting column 4, the upper end of the lifting column 4 is fastened in a bearing, the bearing is disposed at a center of a lower end surface of the transverse plate 5, height position of the transverse plate 10 is conveniently adjusted through the cylinder 3 and the lifting column 4, so as to facilitate dismounting and mounting/dismounting the roller 10, the slide seat 6 is provided with two groups, the upper end surface of the transverse plate 5 is provided with a hob shaft 7, the hob shaft 7 is provided with a hob seat 8, two ends of the hob seat 8 are provided with nuts 9, the side wall of the hob shaft 7 is provided with external threads, a through hole is arranged in the hob seat 8, the hob shaft 7 is provided with a through hole which penetrates through the hob seat 8, the hob shaft 7 is connected with the nuts 9 through threads, so that the position of the hob seat 8 can be adjusted conveniently, the positions of the hob seat 8 and the hob 10 can be adjusted according to actual use requirements, the practicability and the applicability are improved, the inner end of the hob 10 is arranged in the hob seat 8, the hob 10 is connected with the hob seat 8 through a connecting shaft 11, the fixing nuts 12 are arranged at two ends of the connecting shaft 11, the outer wall of the hob seat 8 is provided with a hollow groove, the inner end of the hob 10 is arranged in the hollow groove, round holes are, the connecting shaft 11 is connected with the fixed nut 12 through threads, so that the hob 10 can be conveniently disassembled and assembled, the operation is simple, the rotating plate 13 is arranged at the upper end of the hob shaft 7, two ends of the rotating plate 13 are arranged in the sliding seat 6, the inner side wall of the sliding seat 6 is provided with a groove, two ends of the transverse plate 5 and the rotating plate 13 are provided with sliding blocks, the sliding blocks are arranged in the grooves, the transverse plate 5 and the rotating plate 13 can conveniently rotate in the sliding seat 6, the stability of the sliding seat 6 in the sliding process can be effectively improved through arranging the fixed column 2, the clamping pieces 14 are arranged at two ends of the hob shaft 7, the transmission shaft 15 is arranged at the center of the upper end face of the rotating plate 13, the upper end of the transmission shaft 15 is provided with the motor 16, the lower end face of the rotating plate 13 and the upper end face of the transverse plate 5 are provided with clamping grooves, the clamping pieces 14 are arranged in, thereby can realize the gear hobbing processing, motor 16 sets up inside fixed frame 17, fixed frame 17 outer wall is equipped with support 18, support 18 outer end is equipped with pillar 19, can fix a position motor 16 through setting up pillar 19, support 18 and fixed frame 17, and stability is strong.

The utility model discloses a theory of operation is: the upper end of the cylinder is provided with a lifting column, the upper end of the lifting column is provided with a transverse plate, the upper end of the lifting column is fastened in a bearing, the bearing is arranged at the center of the lower end face of the transverse plate, the height position of the transverse plate can be conveniently adjusted through the cylinder and the lifting column, so that the hob on the hob shaft can be conveniently disassembled and assembled, the operation is simple, the practicability is high, two groups of the transverse plate are arranged in the slide seats, the slide seats are arranged in two groups, the upper end face of the transverse plate is provided with the hob shaft, the hob shaft is provided with a hob seat, two ends of the hob seat are provided with nuts, the side wall of the hob shaft is provided with external threads, a through hole is formed in the hob shaft and penetrates through the hob seat, the hob shaft is connected with the nuts through threads, so that the position of the hob seat can be conveniently adjusted according, the fixing nuts are arranged at two ends of the connecting shaft, the outer wall of the cutter holder is provided with a hollow groove, the inner end of the hob is arranged in the hollow groove, round holes are arranged in the side wall of the hollow groove and the hob, the connecting shaft penetrates through the cutter holder and the hob through the round holes and is a threaded rod, the connecting shaft is connected with the fixing nuts through threads, the hob is convenient to disassemble and assemble, the operation is simple, the rotating plate is arranged at the upper end of the hob shaft, two ends of the rotating plate are arranged in the sliding seat, the inner side wall of the sliding seat is provided with a groove, sliding blocks are arranged at two ends of the transverse plate and the rotating plate and are arranged in the groove, the transverse plate and the rotating plate can conveniently rotate in the sliding seat, the stability of the sliding seat in the sliding process can be effectively improved through arranging the fixing columns, the clamping pieces are arranged at two ends of the hob shaft, the transmission shaft is arranged at the, the rotating plate, the hob shaft, the hob and the transverse plate can be driven to rotate through the motor and the transmission shaft, and therefore the hobbing machining can be achieved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A numerical control gear hobbing machine convenient for tool changing comprises a bottom plate, a fixing column, an air cylinder, a lifting column, a transverse plate, a sliding seat, a hob shaft, a hob seat, nuts, a hob, a connecting shaft, fixing nuts, a rotating plate, clamping pieces, a transmission shaft, a motor, a fixing frame, a support and supporting columns, and is characterized in that the fixing column and the air cylinder are arranged on the upper end surface of the bottom plate, the lifting column is arranged on the upper end of the air cylinder, the transverse plate is arranged on the upper end of the lifting column, the two ends of the transverse plate are arranged in the sliding seat, the two groups of the sliding seat are arranged on the upper end surface of the transverse plate, the hob shaft is arranged on the hob shaft, the nuts are arranged at the two ends of the hob, the inner end of the hob is arranged in the hob seat, the hob is connected with the hob through the connecting shaft, the fixing nuts are arranged at the two ends of the, the transmission shaft sets up in commentaries on classics board up end center department, and the transmission shaft upper end is equipped with the motor, the motor sets up inside fixed frame, fixed frame outer wall is equipped with the support, the support outer end is equipped with the pillar.

2. The numerical control gear hobbing machine convenient for tool changing of claim 1, wherein the upper end of the lifting column is buckled in a bearing, and the bearing is arranged at the center of the lower end face of the transverse plate.

3. The numerical control gear hobbing machine convenient for tool changing of claim 1, wherein the inner side wall of the sliding seat is provided with a groove, and the transverse plate and the two ends of the rotating plate are provided with sliding blocks which are arranged in the groove.

4. The numerical control gear hobbing machine convenient for tool changing of claim 1, wherein the side wall of the roller shaft is provided with external threads, the tool holder is provided with a through hole, the roller shaft is provided with a through hole penetrating through the tool holder, and the roller shaft is connected with the nut through threads.

5. The numerical control gear hobbing machine convenient for tool changing of claim 1, wherein the outer wall of the tool apron is provided with a hollow groove, the inner end of the hob is arranged in the hollow groove, the side wall of the hollow groove and the hob are internally provided with round holes, the connecting shaft penetrates through the tool apron and the hob by the round holes, the connecting shaft is a threaded rod, and the connecting shaft is connected with the fixing nut through threads.

6. The numerical control gear hobbing machine convenient for tool changing of claim 1, wherein the lower end face of the rotating plate and the upper end face of the transverse plate are provided with clamping grooves, and the clamping piece is arranged in the clamping groove.