CN211028416U

CN211028416U - Jacking device of gear hobbing machine

Info

Publication number: CN211028416U
Application number: CN201921792003.8U
Authority: CN
Inventors: 李敏; 沈立锋
Original assignee: Changzhou Xinheli Precision Machinery Co ltd
Current assignee: Changzhou Xinheli Precision Machinery Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-17
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to a top of gear hobbing machine holds in palm device uses in gear hobbing machine equipment field, and it is including setting up the bed frame on the operation panel, is equipped with the position sleeve on the bed frame, is equipped with the bearing in the position sleeve, and the bearing inner circle is fixed with a spacing section of thick bamboo, and two symmetric distributions of one end sliding connection of a spacing section of thick bamboo all are equipped with the arc board in relative one end along the slider of a spacing radial movement, are equipped with two supporting seats on a spacing section of thick bamboo, and equal threaded connection has the screw rod on two supporting seats, and the one end and the slider of screw rod rotate to be. The utility model discloses have the effect that improves the machining precision of slender axles class part gear hobbing.

Description

Jacking device of gear hobbing machine

Technical Field

The utility model belongs to the technical field of gear hobbing machine equipment and specifically relates to a top of gear hobbing machine holds in palm device is related to.

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.

The Chinese patent with the publication number of CN205110960U discloses a gear hobbing hanging wheel device of a gear hobbing machine, which comprises a hanging wheel device, wherein the hanging wheel device comprises an operation table, a sliding plate, a processing device, a cavity, a water guide pipe, a screw hole, a supporting plate, a fixed seat, a fixed plate, the gear hobbing machine, an indexer and a water storage tank, a control panel is arranged on the outer side of the operation table, the control panel is provided with a control switch, the sliding plate is arranged at the upper end of the operation table, the processing device and the indexer are both arranged on the sliding plate, the supporting plate is provided with the fixed plate and the screw hole arranged on the fixed plate, the fixed seat is arranged on the supporting plate, and the gear; the processing device comprises an installation shaft and a drill bit, wherein the drill bit is installed in the installation shaft, and one side of the processing device is provided with a cavity and a screw arranged on the cavity.

However, when machining a slender shaft type part in practice, the part is subjected to cutting force, deadweight, and centrifugal force during rotation, and bending and vibration are likely to occur, which affects the machining accuracy of the hobbing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a top of gear-hobbing machine holds in palm device, its advantage: the processing precision of the hobbing of the slender shaft type part is improved.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a top of gear hobbing machine holds in palm device, is including setting up the bed frame on the operation panel, be equipped with the position sleeve on the bed frame, be equipped with the bearing in the position sleeve, the bearing inner race is fixed with spacing section of thick bamboo, spacing section of thick bamboo and the coaxial distribution of installation axle, two the slider of two symmetric distributions of one end sliding connection of spacing section of thick bamboo and along spacing section of thick bamboo radial movement, two the slider all is equipped with the arc board in relative one end, be equipped with two supporting seats on the spacing section of thick bamboo, two equal threaded connection has the screw rod on the supporting seat, the one end and the slider of screw rod.

By adopting the technical scheme, during processing, an operator penetrates the long shaft from the limiting cylinder, then clamps the long shaft, screws the screw rod after clamping, drives the sliding block to be close to the long shaft until the arc plate clamps the long shaft, and when the long shaft rotates, the limiting cylinder rotates synchronously along with the long shaft, so that the supporting effect on the long shaft is achieved, the possibility of bending and vibration of the long shaft is reduced, and the processing precision of hobbing is improved.

The utility model discloses further set up to: the bed frame includes roof and bottom plate, rotate on the bottom plate and be connected with two symmetric distribution's spiral shell section of thick bamboo, two equal threaded connection has the regulation post in the spiral shell section of thick bamboo, it is connected with the roof to adjust the post.

By adopting the technical scheme, an operator can simultaneously rotate the two screw cylinders to drive the adjusting column to move upwards or downwards, the position of the limiting cylinder is adjusted to be matched with the actual height of the long shaft after being clamped, and the flexibility and the application range of the device are increased.

The utility model discloses further set up to: two the barrel outer wall all is equipped with the gear, two the gear passes through the cingulum and connects.

Through adopting above-mentioned technical scheme, when the operator rotated one of them spiral shell section of thick bamboo, another spiral shell section of thick bamboo synchronous rotation under the drive of toothed belt, convenient and fast.

The utility model discloses further set up to: the bottom plate is provided with guide cylinders on two sides of the screw cylinder, guide columns are arranged in the guide cylinders, and the guide columns are connected with the top plate.

Through adopting above-mentioned technical scheme, the cooperation through guide pillar and guide cylinder has reduced the crooked possibility that appears when the roof moves.

The utility model discloses further set up to: the operating table is provided with a guide rail, the bottom plate is connected to the guide rail in a sliding mode, the bottom plate is connected with a limiting stud in a threaded mode, one end of the limiting stud is abutted to the bottom of the guide rail, and a rotating handle is arranged at the upper end of the limiting stud.

By adopting the technical scheme, an operator can freely slide the bottom plate according to the hobbing position of the long shaft, and the integral position of the base frame is adjusted, so that the flexibility of the device is further improved; when the base frame is fixed, an operator only needs to rotate the rotating handle to drive the stud to be tightly abutted against the bottom of the guide rail, and the base frame is simple and convenient.

The utility model discloses further set up to: an inner hexagonal groove is formed in one end, far away from the sliding block, of the screw rod.

By adopting the technical scheme, an operator can utilize a hexagonal wrench to insert into the hexagonal groove to rotate the stud, and time and labor are saved.

The utility model discloses further set up to: and the sliding block is provided with scale marks.

By adopting the technical scheme, the scale marks provide visual judgment for the moving distance of the sliding block for an operator, and the possibility that the long shaft is stressed and bent due to overlong stroke of one sliding block is reduced.

The utility model discloses further set up to: an intermediate ring is fixed on the outer ring of the bearing, and the positioning sleeve is connected with the intermediate ring through a fastening screw.

By adopting the technical scheme, the intermediate ring is detachably connected with the positioning sleeve, so that an operator can conveniently replace the limiting cylinder according to the actual specification of the long shaft, and the application range is wide.

To sum up, the utility model discloses a beneficial technological effect does:

1. the long shaft is clamped by the two arc plates and rotates along with the long shaft, so that the long shaft is supported, the possibility of bending and vibration of the long shaft is reduced, and the processing precision of the hobbing is improved;

2. the height of the whole base frame and the relative position of the base frame and the long shaft can be freely adjusted, and meanwhile, the limiting cylinder and the bearing can be replaced, so that the application range is wide, and the flexibility is high.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view of fig. 2 at B.

In the figure, 1, a base frame; 101. a top plate; 102. a base plate; 103. a screw cylinder; 104. an adjustment column; 11. a positioning sleeve; 12. a bearing; 13. a limiting cylinder; 14. a slider; 141. an arc plate; 142. scale lines; 15. a supporting seat; 16. a screw; 161. an inner hexagonal groove; 18. an intermediate ring; 181. fastening screws; 2. a gear; 21. a toothed belt; 22. a guide cylinder; 23. a guide post; 3. a guide rail; 31. a limiting stud; 32. a handle is rotated; 4. an operation platform.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a jacking device of a gear hobbing machine is shown in figures 1 and 2 and comprises a base frame 1 arranged on an operating table 4, wherein a positioning sleeve 11 with a horizontal axis is arranged on the base frame 1, a bearing 12 is arranged in the positioning sleeve 11, a limiting cylinder 13 coaxially distributed with the positioning sleeve 11 is fixed on an inner ring of the bearing 12, one end of the limiting cylinder 13 extends out of the positioning sleeve 11, the extending end of the limiting cylinder 13 is connected with a sliding block 14 which moves along the radial direction of the limiting cylinder 13 in a sliding manner, the two sliding blocks 14 are symmetrically distributed relative to the axis of the limiting cylinder 13, an arc plate 141 is arranged at the opposite end of each of the two sliding blocks 14, and a scale mark 142 (shown in figure 3) distributed along the moving direction of each sliding block 14 is also arranged; be equipped with two supporting seats 15 on the spacing section of thick bamboo 13, two supporting seats 15 are corresponding with two sliders 14 respectively, and equal threaded connection has screw rod 16 on two supporting seats 15, and screw rod 16's one end is rotated with slider 14 and is connected, and the hexagonal groove 161 in the other end has been seted up (as shown in figure 3) to cooperate with hexagonal spanner is pegged graft mutually.

As shown in fig. 2 and 3, in the actual gear hobbing process, one end of the long shaft is clamped by a three-jaw chuck of a gear hobbing machine, the other end of the long shaft is propped against by a tip of a tailstock, and a limiting cylinder 13 is coaxially distributed with the axis of the three-jaw chuck; before clamping, an operator firstly enables the long shaft to penetrate through the limiting cylinder 13, then clamps the long shaft, inserts the hexagonal wrench into the inner hexagonal groove 161 after clamping is finished, rotates the hexagonal wrench, drives the sliding blocks 14 to drive the arc plates 141 to be close to the long shaft, finely adjusts the screw 16 after the arc plates 141 are abutted against the long shaft, and adjusts the moving distance of the two sliding blocks 14 according to the scale marks 142, so that the long shaft is clamped by the two arc plates 141. During hobbing, the arc plate 141 supports the long shaft while rotating along with the long shaft, so that the stability of the long shaft is improved, the possibility of bending and vibration of the long shaft due to cutting force, dead weight and centrifugal force during rotation is reduced, and the machining precision of hobbing is improved.

As shown in fig. 2, an intermediate ring 18 is fixed on the outer ring of the bearing 12, and the positioning sleeve 11 is connected with the intermediate ring 18 through a fastening screw 181, so that the bearing 12 and the positioning sleeve 11 can be detachably connected, and an operator can conveniently replace the limiting cylinders 13 with different sizes to be matched with the long shaft.

As shown in fig. 2, the base frame 1 includes a top plate 101 and a bottom plate 102 which are parallel to each other, the positioning sleeve 11 is disposed on the top plate 101, the bottom plate 102 is rotatably connected with two screw cylinders 103 which are symmetrically distributed, the screw cylinders 103 are perpendicular to the bottom plate 102, the two screw cylinders 103 are both connected with adjusting columns 104 in a threaded manner, the adjusting columns 104 are connected with the top plate 101, the bottom plate 102 is provided with guide cylinders 22 on both sides of each screw cylinder 103, each guide cylinder 22 is connected with a guide column 23 in a sliding manner, and one end of each guide column 23 is connected with the top plate 101; all be equipped with gear 2 on the outer wall of two spiral shells 103, gear 2 and spiral shell 103 coaxial distribution, two gear 2 pass through the toothed belt 21 and connect.

As shown in fig. 2, the operating table 4 is provided with a guide rail 3, the cross section of the channel in the guide rail 3 is T-shaped, the bottom plate 102 is slidably connected with the guide rail 3, the sliding part of the bottom plate 102 is matched with the channel in the guide rail 3, the bottom plate 102 is in threaded connection with a limit stud 31, one end of which is abutted against the bottom of the guide rail 3, and the upper end of the limit stud 31 is provided with a rotating handle 32.

As shown in fig. 2, the heights of the central axes of the three-jaw chucks of different gear hobbing machines are also different, an operator rotates one of the screw cylinders 103 to drive the gear 2 on the screw cylinder 103 to rotate, the gear 2 drives the other screw cylinder 103 to rotate simultaneously through the toothed belt 21, so that the screw 16 pushes the top plate 101 to move upwards or downwards, and the height of the positioning sleeve 11 is adjusted; in addition, after the long shaft is clamped, an operator can move the bottom plate 102, adjust the clamping position of the arc plate 141, select the middle part of the long shaft or the position close to the hobbing of the long shaft for supporting, and rotate the rotating handle 32 after the adjustment is finished, so that the limiting stud 31 is tightly abutted against the bottom of the guide rail 3, and the movement of the bottom plate 102 is limited, and the operation is convenient and fast.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a top of gear-hobbing machine holds in palm device which characterized in that: including setting up bed frame (1) on operation panel (4), be equipped with position sleeve (11) on bed frame (1), be equipped with bearing (12) in position sleeve (11), bearing (12) inner circle is fixed with spacing section of thick bamboo (13), two symmetric distribution of one end sliding connection of spacing section of thick bamboo (13) and along spacing section of thick bamboo (13) radial movement's slider (14), two slider (14) all are equipped with arc board (141) in relative one end, be equipped with two supporting seats (15) on spacing section of thick bamboo (13), two equal threaded connection has screw rod (16) on supporting seat (15), the one end and the slider (14) of screw rod (16) rotate to be connected.

2. The jacking device of a hobbing machine according to claim 1, characterized in that: the base frame (1) comprises a top plate (101) and a bottom plate (102), wherein the bottom plate (102) is rotatably connected with two screw cylinders (103) which are symmetrically distributed, the two screw cylinders (103) are internally connected with adjusting columns (104) in a threaded manner, and the adjusting columns (104) are connected with the top plate (101).

3. The jacking device of a hobbing machine according to claim 2, characterized in that: two spiral shell section of thick bamboo (103) outer wall all is equipped with gear (2), two gear (2) pass through toothed belt (21) and connect.

4. The jacking device of a hobbing machine according to claim 3, characterized in that: the bottom plate (102) is provided with guide cylinders (22) on two sides of the screw cylinder (103), guide columns (23) are arranged in the guide cylinders (22), and the guide columns (23) are connected with the top plate (101).

5. The jacking device of a hobbing machine according to claim 4, characterized in that: be equipped with guide rail (3) on operation panel (4), bottom plate (102) sliding connection is on guide rail (3), threaded connection has spacing double-screw bolt (31) that one end and guide rail (3) bottom were contradicted on bottom plate (102), the upper end of spacing double-screw bolt (31) is equipped with turning handle (32).

6. The jacking device of a hobbing machine according to claim 1, characterized in that: an inner hexagonal groove (161) is formed in one end, far away from the sliding block (14), of the screw rod (16).

7. The jacking device of a hobbing machine according to claim 6, characterized in that: and the sliding block (14) is provided with scale marks (142).

8. The jacking device of a hobbing machine according to claim 1, characterized in that: an intermediate ring (18) is fixed on the outer ring of the bearing (12), and the positioning sleeve (11) is connected with the intermediate ring (18) through a fastening screw (181).