CN211840453U

CN211840453U - Gear hobbing machine for gear machining

Info

Publication number: CN211840453U
Application number: CN201922258558.0U
Authority: CN
Inventors: 高建波; 薛天宇; 李伟; 张小名
Original assignee: Xianghe Kai Hua Gear Co ltd
Current assignee: Xianghe Kai Hua Gear Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-11-03
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a gear hobbing machine for gear machining, including the gear hobbing machine, be equipped with fixed frame on the gear hobbing machine, and be equipped with the first motor that is used for driving the gear hobbing cutter on the gear hobbing machine to be equipped with the second motor of drive carousel in the fixed frame, the first threaded rod of carousel top fixedly connected with, and first threaded rod top contacts with the work piece bottom, first threaded rod outer wall cover has the screw sleeve, and the first section inner wall of screw sleeve sets up to the helicitic texture, and the first section inner wall of screw sleeve sets up to the toper structure. This gear hobbing machine for gear machining is equipped with the threaded sleeve, utilizes the telescopic rotation of threaded sleeve and first threaded rod interact, makes threaded sleeve spiral shell screwing in, lets the laminating of threaded sleeve's conical surface at not unidimensional work piece outer wall, and the fixed ann effort that lets the work piece receive is firm, and this installation fixed knot constructs easy dismounting has improved the efficiency of work piece processing, lets the preparation effect of gear better.

Description

Gear hobbing machine for gear machining

Technical Field

The utility model relates to a gear machining technical field specifically is a gear hobbing machine for gear machining.

Background

The hobbing machine is the most widely used machine tool in gear processing machine tools, and can machine straight teeth, helical gears, worm gears, chain wheels and the like on the hobbing machine, and machine tools for processing the straight teeth, helical teeth, herringbone gears, cylindrical gears and worm gears by hobbing cutters according to a generating method, and when the hobbing cutters are specially made, the machine tools can also machine workpieces with various special tooth shapes, such as splines, chain wheels and the like.

The hobbing machine quick-change hobbing cutter main shaft of patent number CN201310040804.X has solved the complicated and higher problem of cost of hobbing cutter main shaft change mode, however, still has the problem that the processing work piece size differs at the in-process of hobbing machine in-service use, and this problem can let the fixed process of processing work piece become loaded down with trivial details, and this patent does not explain this problem, consequently, prior art exists not enoughly, needs a hobbing machine of the quick fixed work piece of being convenient for.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gear hobbing machine for gear machining to solve the not good problem of mode of the fixed work piece of gear hobbing machine that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gear hobbing machine for gear machining, includes the gear hobbing machine, be equipped with fixed frame on the gear hobbing machine, and be equipped with the first motor that is used for driving the hobbing cutter on the gear hobbing machine to be equipped with the second motor of drive carousel in the fixed frame, the first threaded rod of carousel top fixedly connected with, and first threaded rod top contacts with the work piece bottom, first threaded rod outer wall cover has the screw sleeve, and the first section inner wall of screw sleeve is set up to the helicitic texture to the first section inner wall of screw sleeve sets up to the toper structure, the conical surface of screw sleeve contacts with one section outer wall of work piece.

Preferably, the hobbing machine is provided with a fixed plate, the fixed plate is provided with a threaded through hole, a second threaded rod is spirally inserted into the threaded through hole, the bottom end of the second threaded rod is connected with a movable plate in an inserting manner through a rotating shaft, and the movable plate is attached to the top end of the workpiece.

Preferably, one section of the top end of the fixed frame is arranged in a sliding groove formed in the lower end of the movable block, the lower end of the movable block is connected with a telescopic shaft of the hydraulic rod through a connecting rod, and the hydraulic rod is fixed in the fixed frame.

Preferably, the top end of the second threaded rod is fixedly connected with a handle, the cross section of the handle is circular, and the handle and the second threaded rod are combined into a T-shaped structure.

Preferably, the sliding groove of the movable block is arranged to be of a convex structure, the upper half section of the convex structure is connected with a rolling shaft in an inserting mode through a rotating shaft, and the rolling shaft is in contact with the outer wall of the top end of the fixed frame.

Preferably, the top end of the movable block is provided with a through hole for the shaft of the second motor to penetrate through, and the second motor is fixed in the chute wall of the movable block.

Compared with the prior art, the beneficial effects of the utility model are that: this gear hobbing machine for gear machining is equipped with the threaded sleeve, utilizes the telescopic rotation of threaded sleeve and first threaded rod interact, makes threaded sleeve spiral shell screwing in, lets the laminating of threaded sleeve's conical surface at not unidimensional work piece outer wall, and the fixed ann effort that lets the work piece receive is firm, and this installation fixed knot constructs easy dismounting has improved the efficiency of work piece processing, lets the preparation effect of gear better.

Drawings

FIG. 1 is a structural diagram of a gear hobbing machine for gear machining according to the present invention;

FIG. 2 is an enlarged view of the gear hobbing machine for gear machining of the present invention at A in FIG. 1;

fig. 3 is the utility model relates to a fixed frame schematic diagram is connected to movable block of gear hobbing machine for gear machining.

In the figure: 1. hobbing machine, 2, hobbing cutter, 3, first motor, 4, second motor, 5, hydraulic stem, 6, fixed frame, 7, carousel, 8, first threaded rod, 9, threaded sleeve, 10, work piece, 11, fixed plate, 12, second threaded rod, 13, handle, 14, fly leaf, 15, connecting rod, 16, movable block.

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. 1-3, the present invention provides a technical solution: a gear hobbing machine for gear machining comprises a gear hobbing machine 1, a gear hobbing cutter 2, a first motor 3, a second motor 4, a hydraulic rod 5, a fixed frame 6, a rotary table 7, a first threaded rod 8, a threaded sleeve 9, a workpiece 10, a fixed plate 11, a second threaded rod 12, a handle 13, a movable plate 14, a connecting rod 15 and a movable block 16, wherein the fixed frame 6 is arranged on the gear hobbing machine 1, the first motor 3 for driving the gear hobbing cutter 2 is arranged on the gear hobbing machine 1, the second motor 4 for driving the rotary table 7 is arranged in the fixed frame 6, the fixed plate 11 is arranged on the gear hobbing machine 1, a threaded through hole is formed in the fixed plate 11, the second threaded rod 12 is spirally inserted in the threaded through hole, the bottom end of the second threaded rod 12 is connected with the movable plate 14 in an inserting mode through a rotating shaft, the movable plate 14 is attached to the top end of the workpiece 10, the second threaded rod 12 acts on the movable plate 14 through, the structure is matched with the threaded sleeve 9 to ensure that the fixed acting force on the workpiece is uniform, the connecting mode of the movable plate 14 and the second threaded rod 12 cannot influence the rotating effect of the workpiece 10 in the processing state, the top end of the second threaded rod 12 is fixedly connected with the handle 13, the cross section of the handle 13 is round, the handle 13 and the second threaded rod 12 are combined into a T-shaped structure, the handle 13 is convenient to exert force, the rotating operation of the second threaded rod 12 is convenient and labor-saving, one section of the top end of the fixed frame 6 is arranged in a sliding groove arranged at the lower end of the movable block 16, the lower end of the movable block 16 is connected with a telescopic shaft of the hydraulic rod 5 through the connecting rod 15, the hydraulic rod 5 is fixed in the fixed frame 6, the hydraulic rod 5 acts on the movable block 16 through the connecting rod 15 to form a movable structure with the movable block 16, the movable block 16 can move along the track of the fixed frame 6, and the processing force, the processing quality of the gear is better, the sliding groove of the movable block 16 is set to be a convex structure, the upper half section of the convex structure is connected with a rolling shaft in an inserting way through a rotating shaft, the rolling shaft is contacted with the outer wall of the top end of the fixed frame 6, the rolling shaft is in friction rolling with the fixed frame 6 along with the movement of the movable block 16, the friction force applied to the movable block 16 in the sliding process is reduced, the sliding operation of the movable block 16 is smoother, the top end of the movable block 16 is provided with a through hole for the insertion of a motor shaft of the second motor 4, the second motor 4 is fixed in the sliding groove wall of the movable block 16, the top end of the rotary table 7 is fixedly connected with a first threaded rod 8, the top end of the first threaded rod 8 is contacted with the bottom end of a workpiece 10, the outer wall of the first threaded rod 8 is sleeved with a threaded sleeve 9, the inner, the conical surface of the threaded sleeve 9 is in contact with a section of the outer wall of the workpiece 10.

The working principle is as follows: when the gear hobbing machine for gear machining is used, firstly, the bottom end of a workpiece 10 is placed in the middle at the top end of a first threaded rod 8, an operating handle 13 rotates to drive a second threaded rod 12 to rotate, the second threaded rod 12 rotates to interact with a threaded through hole of a fixed plate 11 to drive a movable plate 14 to descend, the movable plate 14 stops when contacting with the top end of the workpiece 10, then, a threaded sleeve 9 is operated to rotate spirally along the track of the first threaded rod 8, so that the conical surface of the threaded sleeve 9 is attached to the outer wall of the workpiece 10, then, a power switch of the gear hobbing machine 1 is turned on, a first motor 3, a second motor 4 and a hydraulic rod 5 are electrified, the first motor 3 is electrified to drive a hobbing cutter 2 to rotate, the second motor 4 is electrified to drive a rotary table 7 to rotate, the rotary table 7 rotates to drive the first threaded rod 8, the threaded sleeve 9, the workpiece 10 and the movable plate 14 to rotate together, and finally, the, the movable block 16 is stressed to move along the fixed frame 6 as a track, the movable block 16 moves to drive the rolling shaft to roll with the fixed frame 6 in a friction mode, and the rotating work 10 moves towards the hobbing cutter 2 in the process to be machined into a gear, namely the gear hobbing machine for machining the gear is used.

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. The utility model provides a gear hobbing machine for gear machining, includes gear hobbing machine (1), be equipped with fixed frame (6) on gear hobbing machine (1), and be equipped with first motor (3) that are used for driving hobbing cutter (2) on gear hobbing machine (1) to be equipped with second motor (4) of drive carousel (7) in fixed frame (6), its characterized in that: carousel (7) top fixedly connected with first threaded rod (8), and first threaded rod (8) top contacts with work piece (10) bottom, first threaded rod (8) outer wall cover has threaded sleeve (9), and threaded sleeve (9) lower half section inner wall sets up to the helicitic texture to threaded sleeve (9) first half section inner wall sets up to the toper structure, the conical surface of threaded sleeve (9) contacts with a section outer wall of work piece (10).

2. The gear hobbing machine for gear processing according to claim 1, characterized in that: be equipped with fixed plate (11) on gear hobbing machine (1), and be equipped with the screw thread through-hole on fixed plate (11) to screw interlude has second threaded rod (12) in the screw thread through-hole, second threaded rod (12) bottom is interlude through the pivot and is connected with fly leaf (14), and fly leaf (14) and work piece (10) top are laminated mutually.

3. The gear hobbing machine for gear processing according to claim 1, characterized in that: one section of the top end of the fixed frame (6) is arranged in a sliding groove formed in the lower end of the movable block (16), the lower end of the movable block (16) is connected with a telescopic shaft of the hydraulic rod (5) through a connecting rod (15), and the hydraulic rod (5) is fixed in the fixed frame (6).

4. The gear hobbing machine for gear processing according to claim 2, characterized in that: the top end of the second threaded rod (12) is fixedly connected with a handle (13), the cross section of the handle (13) is set to be circular, and the handle (13) and the second threaded rod (12) are combined to form a T-shaped structure.

5. The gear hobbing machine for gear processing according to claim 3, characterized in that: the spout of movable block (16) sets up to "protruding" type structure, and the first section of "protruding" type structure alternates through the pivot and is connected with the roller bearing to the roller bearing contacts with fixed frame (6) top outer wall.

6. The gear hobbing machine for gear processing according to claim 3, characterized in that: the top end of the movable block (16) is provided with a through hole for the motor shaft of the second motor (4) to penetrate through, and the second motor (4) is fixed in the chute wall of the movable block (16).