CN210334629U

CN210334629U - Gear milling machine for processing straight bevel gear

Info

Publication number: CN210334629U
Application number: CN201921064394.1U
Authority: CN
Inventors: 赵孝全; 袁华峰; 赵四平; 包信国
Original assignee: Taizhou Jinying Gear Co ltd
Current assignee: Taizhou Jinying Gear Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-17
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a gear milling machine for processing straight bevel gears, which comprises a workbench, a cutting device, a rotary sliding device and a fixing device, wherein the cutting device is fixed on the upper surface of the workbench, the rotary sliding device is installed on the upper surface of the workbench, the fixing device is fixed on the top of the rotary sliding device, the fixing device comprises a fixed table, a fixed sleeve, a rotary groove, a rotary shaft, a fixed rod, a hydraulic cylinder, a slide block, a jacking disk and a bevel gear blank body, the fixed table is fixed on the top of the rotary sliding device, the fixed sleeve is embedded and fixed in the middle of the fixed table, the rotary groove is equidistantly arranged on the side wall of the fixed sleeve, the rotary shaft is fixed on the inner wall of the rotary groove, the fixed rod is rotatably connected through a bearing in the middle of the rotary shaft, the fixed rod is arranged in a folding direction, the hydraulic cylinder is fixed on the bottom, and the clamping is stable, the processing precision of the bevel gear blank is improved, the structure is simple, the production cost is low, and the bevel gear blank is convenient for people to use.

Description

Gear milling machine for processing straight bevel gear

Technical Field

The utility model relates to a mill tooth machine technical field, concretely relates to processing of straight-tooth bevel gear is with milling tooth machine.

Background

The straight bevel gear milling machine is widely used for a transmission gearbox, a reducer internal gear and a rear axle half shaft gear of a car, and can also be used in the general machine manufacturing industry. The gear milling machine is a gear milling machine for processing and slotting gears, when a straight bevel gear is processed, the outer diameter of the gear is large, the gear is clamped unstably when the gear is clamped, the gear is easy to loosen, the processing precision is poor, the structure of the existing fixing device is complex, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a milling machine for processing straight bevel gear with simple structure and stable fixation, which comprises a workbench, a cutting device, a rotary sliding device and a fixing device, wherein the cutting device is fixed on the upper surface of the workbench, the rotary sliding device is installed on the upper surface of the workbench, the fixing device is fixed on the top of the rotary sliding device, the fixing device comprises a fixing table, a fixing sleeve, a rotary groove, a rotary shaft, a fixing rod, a hydraulic cylinder, a slider, a jacking disc and a bevel gear blank body, the fixing table is fixed on the top of the rotary sliding device, the fixing sleeve is embedded and fixed in the middle of the fixing table, the rotary groove is formed in the side wall of the fixing sleeve at equal intervals, the rotary shaft is fixed on the inner wall of the rotary groove, the middle part of the rotary shaft is connected with the fixing rod through the rotation, the fixed bolster inner wall bottom is fixed with the pneumatic cylinder, the pneumatic cylinder top is fixed with the slider, and slider and fixed bolster inner wall sliding connection, the one end that the dead lever is close to the slider is fixed with the jacking disc, and jacking disc and slider contact, the bevel gear idiosome has been placed to the fixed station upper surface, and bevel gear idiosome cover is established in the fixed bolster outside.

Preferably, a connecting rod is fixed in the middle of the upper surface of the sliding block, a lower pressing block is fixed at the top of the connecting rod, and the lower pressing block is connected with the inner wall of the fixed sleeve in a sliding mode.

Preferably, a fixed disc is fixed at one end of the fixed rod far away from the jacking disc.

Preferably, the upper surface of the fixed table is provided with a placing groove.

Preferably, the diameter of the lower pressing block is smaller than that of the sliding block.

The utility model has the advantages that:

1. when the bevel gear blank fixing device is used, a bevel gear blank is placed in the placing groove, the inner wall of the bevel gear blank is sleeved on the outer side of the fixing sleeve, the hydraulic cylinder is started to drive the sliding block to move upwards, the sliding block is further enabled to push the jacking disk upwards, the jacking disk drives the fixing rod to rotate around the rotating shaft, the fixing disk on the fixing rod makes circular motion around the rotating shaft, the fixing disk slowly approaches to the inner wall of the bevel gear blank while turning downwards until the bevel gear blank is tightly clamped, the direction of the force applied to the bevel gear blank by the contact point of the fixing disk and the bevel gear blank is inclined downwards along the tangent point of the rotating track of the fixing disk, so that the fixing of the bevel gear blank is more stable, after the cutting is completed, the hydraulic cylinder is retracted, the lower pressing block moves downwards and the jacking disk moves downwards, and the fixing disk is driven to turn upwards, the limit to the bevel gear blank is removed, the device is convenient for clamping and fixing the bevel gear blank, the clamping is stable, and the machining precision of the bevel gear blank is improved.

2. Drive slider upward movement through the pneumatic cylinder, and then make the dead lever use the pivot to rotate as the center, and then drive fixed disc and use the pivot to rotate as the center, make fixed disc slowly press from both sides the bevel gear idiosome from inside tightly, this device simple structure, manufacturing cost is lower, and the people of being convenient for use.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

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

fig. 2 is a schematic sectional view of the fixing device of the present invention;

fig. 3 is a schematic sectional view of the fixing sleeve of the present invention.

In the figure: 1. a work table; 2. a cutting device; 3. a rotary slide device; 4. a fixing device; 5. a fixed table; 6. fixing the sleeve; 7. rotating the groove; 8. a rotating shaft; 9. fixing the rod; 10. a hydraulic cylinder; 11. a slider; 12. jacking a disc; 13. a bevel gear blank; 14. a connecting rod; 15. pressing the block; 16. fixing the disc; 17. and (6) placing the groove.

Detailed Description

Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

As shown in fig. 1-3, the gear milling machine for processing the straight bevel gear comprises a workbench 1, a cutting device 2, a rotary sliding device 3 and a fixing device 4, wherein the cutting device 2 is fixed on the upper surface of the workbench 1, the rotary sliding device 3 is installed on the upper surface of the workbench 1, the fixing device 4 is fixed on the top of the rotary sliding device 3, the fixing device 4 comprises a fixing table 5, a fixing sleeve 6, a rotary groove 7, a rotating shaft 8, a fixing rod 9, a hydraulic cylinder 10, a sliding block 11, a jacking disk 12 and a bevel gear blank 13, the fixing table 5 is fixed on the top of the rotary sliding device 3, the fixing sleeve 6 is embedded and fixed in the middle of the fixing table 5, the rotary groove 7 is equidistantly arranged on the side wall of the fixing sleeve 6, the rotating shaft 8 is fixed on the inner wall of the rotary groove 7, the fixing rod 9 is rotatably connected in the middle of the rotating, and dead lever 9 is to the setting of rolling over, 6 inner walls of fixed sleeve bottom is fixed with pneumatic cylinder 10, pneumatic cylinder 10 top is fixed with slider 11, and

slider

11 and 6 inner walls of fixed sleeve sliding connection, dead lever 9 is close to the one end of slider 11 and is fixed with jacking disc 12, and jacking disc 12 and the contact of slider 11, bevel gear idiosome 13 has been placed to fixed station 5 upper surface, and bevel gear idiosome 13 cover is established in the fixed sleeve 6 outside.

A connecting rod 14 is fixed in the middle of the upper surface of the sliding block 11, a lower pressing block 15 is fixed at the top of the connecting rod 14, and the lower pressing block 15 is in sliding connection with the inner wall of the fixed sleeve 6, so that when the hydraulic cylinder 10 is retracted, the jacking disc 12 is driven to move downwards, and the fixed disc 16 is enabled to release the limit of the bevel gear blank 13.

A fixed disc 16 is fixed at one end of the fixed rod 9 far away from the jacking disc 12, so that the fixed rod 9 can clamp the bevel gear blank 13 conveniently.

The upper surface of the fixed station 5 is provided with a placing groove 17, so that when the bevel gear blank 13 is placed conveniently, the bevel gear blank 13 is limited.

The diameter of the lower pressing block 15 is smaller than that of the sliding block 11, so that the lower pressing block 15 is prevented from contacting the fixed rod 9 when the jacking disc 12 is retracted.

The working principle of the specific embodiment is as follows: when the bevel gear blank fixing device is used, the bevel gear blank 13 is placed in the placing groove 17, the inner wall of the bevel gear blank 13 is sleeved outside the fixing sleeve 6, the hydraulic cylinder 10 is started to drive the sliding block 11 to move upwards, the sliding block 11 is further made to push the jacking disk 12 upwards, the jacking disk 12 is further made to drive the fixing rod 9 to rotate by taking the rotating shaft 8 as the center, the fixing disk 16 on the fixing rod 9 is further made to do circular motion by taking the rotating shaft 8 as the center, the fixing disk 16 slowly approaches to the inner wall of the bevel gear blank 13 while turning downwards until the bevel gear blank 13 is tightly clamped, the force applied by the contact point of the fixing disk 16 and the bevel gear blank 13 to the bevel gear blank 13 is inclined downwards along the tangent point of the rotating track of the fixing disk 16, so that the bevel gear blank 13 is more stably fixed, after cutting is completed, the hydraulic cylinder 10 is retracted, the lower pressing block 15 moves downwards and the jacking disk 12 moves, thereby driving the fixed disc 16 to turn upwards and releasing the limit of the bevel gear blank 13.

The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.

Claims

1. The utility model provides a straight bevel gear processing is with milling tooth machine, includes workstation (1), cutting device (2), rotary sliding device (3) and fixing device (4), its characterized in that: the cutting device (2) is fixed on the upper surface of the workbench (1), the rotary sliding device (3) is installed on the upper surface of the workbench (1), the fixing device (4) is fixed on the top of the rotary sliding device (3), the fixing device (4) comprises a fixing table (5), a fixing sleeve (6), a rotary groove (7), a rotating shaft (8), a fixing rod (9), a hydraulic cylinder (10), a sliding block (11), a jacking disc (12) and a bevel gear blank body (13), the fixing table (5) is fixed on the top of the rotary sliding device (3), the fixing sleeve (6) is fixedly embedded in the middle of the fixing table (5), the rotary grooves (7) are formed in the side wall of the fixing sleeve (6) in an equidistance mode, the rotating shaft (8) is fixed on the inner wall of the rotary groove (7), the fixing rod (9) is rotatably connected to the middle of the rotating shaft (8) through a bearing, and, fixed sleeve (6) inner wall bottom is fixed with pneumatic cylinder (10), pneumatic cylinder (10) top is fixed with slider (11), and slider (11) and fixed sleeve (6) inner wall sliding connection, the one end that dead lever (9) are close to slider (11) is fixed with jacking disc (12), and jacking disc (12) and slider (11) contact, fixed station (5) upper surface has placed bevel gear idiosome (13), and bevel gear idiosome (13) cover is established in the fixed sleeve (6) outside.

2. The gear milling machine for processing the straight bevel gear according to claim 1, wherein: the middle part of the upper surface of the sliding block (11) is fixed with a connecting rod (14), the top of the connecting rod (14) is fixed with a lower pressing block (15), and the lower pressing block (15) is connected with the inner wall of the fixed sleeve (6) in a sliding mode.

3. The gear milling machine for processing the straight bevel gear according to claim 1, wherein: and a fixed disc (16) is fixed at one end of the fixed rod (9) far away from the jacking disc (12).

4. The gear milling machine for processing the straight bevel gear according to claim 1, wherein: the upper surface of the fixed table (5) is provided with a placing groove (17).

5. The gear milling machine for processing the straight bevel gear according to claim 2, wherein: the diameter of the lower pressing block (15) is smaller than that of the sliding block (11).