CN113275669A

CN113275669A - Internal protection device of gear hobbing machine

Info

Publication number: CN113275669A
Application number: CN202110632568.5A
Authority: CN
Inventors: 吕潮斌; 潘梨帅
Original assignee: Zhejiang Toman Precision Machinery Co Ltd
Current assignee: Zhejiang Toman Precision Machinery Co Ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-08-20
Anticipated expiration: 2041-06-07
Also published as: CN113275669B

Abstract

The invention discloses a protective device in a gear hobbing machine, which belongs to the technical field of gear processing and comprises a protective table, a turnover device, a feeding and discharging device and a collecting device, wherein the upper end of the protective table is trapezoidal, the turnover device is arranged on the protective table, the feeding and discharging device is arranged on the turnover device, the collecting device is arranged on the protective table, the turnover device, the feeding and discharging device and the collecting device are arranged in two groups, the two groups of turnover devices, the feeding and discharging device and the collecting device are respectively and symmetrically arranged on two sides of the protective table, the protective table is arranged above the gear hobbing machine during use, splashing of scrap iron can be reduced during work of the gear hobbing machine, hollow gears can be quickly replaced through the feeding and discharging device, the work efficiency is improved, personnel injury is reduced, and scrap iron generated by the hollow gears being processed is collected by matching with the collecting device, prevent iron fillings influence gear hobbing processing.

Description

Internal protection device of gear hobbing machine

Technical Field

The invention relates to the technical field of gear machining, in particular to a protective device in a gear hobbing machine.

Background

The hobbing machine is one of the most widely used gear cutting machines, and can cut straight teeth, oblique cylindrical gears, turbines, chain wheels and the like. Processing straight teeth by a hob according to a generating method. When the vertical gear hobbing machine works, the hobbing cutter is arranged on a hobbing cutter main shaft and is driven by a main motor to rotate, and the cutter rest can vertically move along the upright post guide rail and can also be adjusted by a certain angle around a horizontal axis. The workpiece is arranged on the workbench, is driven to rotate by the indexing turbine pair and forms generating movement together with the movement of the hob.

If the patent of publication No. CN103600130A relates to a gear hobbing machine iron fillings processing mechanism, including a gear hobbing machine, the gear hobbing machine includes a quick-witted case, the quick-witted incasement is equipped with the hobbing cutter main shaft, the workstation, install the hobbing cutter on the hobbing cutter main shaft, the below of hobbing cutter main shaft is equipped with an iron fillings collection device, iron fillings collection device includes an annular conveyer belt, be equipped with several evenly distributed's magnet on the conveyer belt, magnet and conveyer belt fixed connection, the outside of conveyer belt is equipped with a protection casing that adopts the stainless steel material of non-magnetic conductivity to make, the shape and the conveyer belt shape of protection casing suit, the upper surface of protection casing is smooth, the quick-witted case is stretched out to the one end of conveyer belt and protection casing, the iron fillings that the device dropped when will process the gear through magnet and conveyer belt are collected and are discharged, the iron fillings that splashes are not collected to adding man-hour, still probably influence gear machining.

When carrying out the gear hobbing operation to hollow gear's opening part among the prior art, the diameter changes around processing because of hollow gear, and mechanical tong's fixed effect is not good, and causes extrusion deformation to the tooth's socket that processes easily, can't carry out the material loading through the manipulator, and the efficiency of artifical material loading is slow, and the iron fillings that the cutting produced cause the injury easily to the people.

Disclosure of Invention

The embodiment of the invention provides a protective device in a gear hobbing machine, which aims to solve the problems that manual feeding is slow, the gear hobbing effect is easy to influence by scrap iron generated by gear hobbing, and the damage to people can be caused when the hollow gear is subjected to gear hobbing operation in the prior art.

The embodiment of the invention adopts the following technical scheme: the utility model provides a protector in gear hobbing machine includes protection platform, turning device, last unloader and collection device, the upper end of protection platform is trapezoidal, turning device sets up on the protection platform, last unloader sets up on turning device, collection device sets up on the protection platform, turning device, last unloader and collection device are provided with two sets ofly, and are two sets of turning device, last unloader and collection device symmetry respectively set up the both sides at the protection platform.

Further, go up turning device and include returning face plate and first motor, the returning face groove has been seted up to the side of protection platform, the returning face plate setting is in the returning face groove and is connected with the returning face groove rotation, the helical gear has been seted up in the pivot of returning face plate one side, first motor setting is on the protection platform, be equipped with the helical gear meshing of helical gear on helical gear and the first motor and the helical gear meshing of returning face plate pivot department on the output of first motor.

Further, the feeding and discharging device comprises a feeding plate, a first rotary plate, a second rotary plate, arc-shaped grooves, a first sliding rod, two second sliding rods, fixed rods and a second motor, one end of the feeding plate is connected with the turnover plate, the first rotary plate is arranged at the side end of the feeding plate, the second rotary plate is provided with two second rotary plates, the two second rotary plates are arranged at the side end of the feeding plate and are positioned at two sides of the first rotary plate, the number of the arc-shaped grooves is six, two arc-shaped grooves are arranged on the first rotary plate, the remaining four arc-shaped grooves are respectively arranged on the two second rotary plates, one ends of the first sliding rod and the second sliding rod are respectively in sliding fit with the feeding plate, two fixed rods are respectively in sliding fit with the first sliding rod and the second sliding rod, one side of the bottom of the first sliding rod is in sliding fit with one of the arc-shaped grooves on the first rotary plate, the other side of first slide bar bottom and one of them arc wall sliding fit on the second carousel, second slide bar bottom and another arc wall sliding fit on the second carousel, first slide bar, second slide bar and dead lever are provided with two sets ofly and the symmetry sets up on last flitch, the second motor sets up on the surface of last flitch, the output of second motor is connected with the pivot of first carousel.

Further, unloader still includes flexible frame, cylinder and first electric jar, flexible frame cover is established in the first slide bar and the second slide bar outside, four dead lever and flexible frame sliding fit, the cylinder sets up on the surface of last flitch and passes flexible frame, cylinder and last flitch sliding fit, first electric jar sets up on last flitch, the output of first electric jar passes last flitch and is connected with flexible frame.

Further, last unloader still includes carriage, gangbar and second electric jar, the carriage setting on the returning face plate and with returning face plate sliding fit, the one end of gangbar pass the top of carriage and with carriage fixed connection, the other end and the last flitch sliding fit of gangbar, the second electric jar sets up on the returning face plate, the output and the carriage of second electric jar are connected.

Furthermore, the turnover plate is also provided with an accommodating groove.

Further, collection device includes electromagnetic means, collects frame, catch bar, third electric jar and collecting box, electromagnetic means sets up on the returning face plate, collect the position department that the frame setting just is close to last unloader on the surface of protection platform, the catch bar sets up on the protection platform, third electric jar sets up on the protection platform and the output is connected with the catch bar, the collecting box sets up the side at the protection platform and is close to the bottom of collecting the frame.

The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:

the first rotating disc is driven to rotate through the positive rotation of the output end of the second motor, the two first sliding rods are close to each other, the second rotating disc is driven to rotate when the first sliding rods move, the first sliding rods and the second sliding rods move away from each other, when the output end of the second motor rotates reversely, the first sliding rods and the second sliding rods are close to each other, and the two sides of the opening of the hollow gear are fixed through the fixing rods on the first sliding rods and the second sliding rods, so that the hollow gear is fixed and discharged, the damage of a traditional mechanical gripper to the hollow gear when the traditional mechanical gripper fixes the hollow gear is reduced, the integrity of a machined part is guaranteed, and the working efficiency is increased.

Secondly, after the feeding and discharging device finishes feeding and then turns over to the outer side of the protection platform, the electromagnetic device on the other side of the turnover plate can attract and collect scrap iron generated above the hollow gear during machining, the scrap iron is prevented from influencing machining, after machining is finished, the turnover plate rotates, discharging is carried out through the feeding and discharging device, one side, attracting the scrap iron, of the turnover plate rotates to the outer side of the protection platform, the third electric cylinder pushes the push rod to push the scrap iron on the turnover plate away from the collecting frame and slide into the collecting box, automatic collection is achieved, the influence of the scrap iron on a machined part during machining is reduced, and injury of personnel is also reduced.

Thirdly, the feeding and discharging device and the collecting device are controlled by the turnover device to work alternately, so that the pause of the device in processing is reduced, and the working efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a partial cross-sectional structural schematic view of the protective platform of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is an enlarged view at B in FIG. 3;

FIG. 6 is an enlarged view at C of FIG. 3;

FIG. 7 is a partial sectional view of the loading and unloading apparatus of the present invention;

fig. 8 is a schematic perspective view of a loading and unloading device according to the present invention.

Reference numerals:

1. a protection platform; 2. a turning device; 21. a turnover plate; 211. accommodating grooves; 22. a first motor; 3. a loading and unloading device; 311 feeding plates; 312. a first turntable; 313. a second turntable; 314. an arc-shaped slot; 315. a first slide bar; 316. a second slide bar; 317. fixing the rod; 318. a second motor; 321. a telescopic frame; 322. a cylinder; 323. a first electric cylinder; 331. a carriage; 332. a linkage rod; 333. a second electric cylinder; 4. a collection device; 41. an electromagnetic device; 42. a collection rack; 43. a push rod; 44. a third electric cylinder; 45. and a collection box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 8, an embodiment of the present invention provides a protection device in a gear hobbing machine, including a protection table 1, a turnover device 2, a loading and unloading device 3 and a collection device 4, wherein an upper end of the protection table 1 is trapezoidal, the turnover device 2 is disposed on the protection table 1, the loading and unloading device 3 is disposed on the turnover device 2, the collection device 4 is disposed on the protection table 1, the turnover device 2, the loading and unloading device 3 and the collection device 4 are provided with two sets, the two sets of the turnover device 2, the loading and unloading device 3 and the collection device 4 are respectively symmetrically disposed on two sides of the protection table 1, and the protection device is used for disposing the protection table 1 above the gear hobbing machine, so as to reduce splashing of iron filings when the gear hobbing machine works, rapidly replace a processed hollow gear through the loading and unloading device 3, increase working efficiency and reduce injury of personnel, the cooperation collection device 4 is being collected the iron fillings that the hollow gear that is processing produced, prevents that iron fillings from influencing the gear hobbing processing.

Preferably, the upper turnover device 2 comprises a turnover plate 21 and a first motor 22, a turnover groove is formed in the side end of the protection platform 1, the turnover plate 21 is arranged in the turnover groove and is rotationally connected with the turnover groove, a helical gear is arranged on a rotating shaft on one side of the turnover plate 21, the first motor 22 is arranged on the protection platform 1, the output end of the first motor 22 is provided with the helical gear, the helical gear on the helical gear and the first motor 22 is meshed with the helical gear at the rotating shaft of the turnover plate 21, the upper turnover device 21 is rotated under the meshing effect, the hollow gear to be processed is fixed outside the protection platform 1 through the first motor 22, the turnover plate 21 is rotated, and the feeding and discharging device 3 is rotated into the protection platform 1 to realize automatic feeding and discharging.

Preferably, the feeding and discharging device 3 includes a feeding plate 311, a first rotating plate 312, a second rotating plate 313, arc-shaped grooves 314, a first sliding rod 315, a second sliding rod 316, a fixing rod 317 and a second motor 318, one end of the feeding plate 311 is connected to the turning plate 21, the first rotating plate 312 is disposed at a side end of the feeding plate 311, the second rotating plate 313 is provided with two, the two second rotating plates 313 are disposed at a side end of the feeding plate 311 and located at two sides of the first rotating plate 312, the arc-shaped grooves 314 are provided with six, wherein two arc-shaped grooves 314 are disposed on the first rotating plate 312, the remaining four arc-shaped grooves 314 are respectively disposed on the two second rotating plates 313, one ends of the first sliding rod 315 and the second sliding rod 316 are both in sliding fit with the feeding plate 311, the fixing rod 317 is provided with two and respectively in sliding fit with the first sliding rod 315 and the second sliding rod 316, one side of the bottom of the first sliding rod 315 is in sliding fit with one of the arc-shaped grooves 314 on the first rotating disc 312, the other side of the bottom of the first sliding rod 315 is in sliding fit with one of the arc-shaped grooves 314 on the second rotating disc 313, the bottom of the second sliding rod 316 is in sliding fit with the other arc-shaped groove 314 on the second rotating disc 313, two groups of the first sliding rod 315, the second sliding rod 316 and the fixing rod 317 are arranged on the feeding plate 311 and symmetrically arranged on the feeding plate 311, the second motor 318 is arranged on the surface of the feeding plate 311, the output end of the second motor 318 is connected with the rotating shaft of the first rotating disc 312, and the effects that the first rotating disc 312 is driven to rotate by the forward rotation of the output end of the second motor 318, the two first sliding rods 315 are close to each other, the second rotating disc 313 is driven to rotate when the first sliding rod 315 moves, and the first sliding rod 315 and the second sliding rod 316 move away from each other, when the output of second motor 318 reverses, first slide bar 315 and second slide bar 316 are close to each other, give through dead lever 317 on first slide bar 315 and the second slide bar 316 and fix hollow gear's opening part both sides, realize fixed and unloading to hollow gear, diameter can change before and after the gear machining, traditional mechanical tong's fixed strength is different, take place the scheduling problem that drops easily, and the tong is to the easy extrusion deformation of the tooth's socket of processing, influence the result of processing.

Preferably, the feeding and discharging device 3 further comprises a telescopic frame 321, a cylinder 322 and a first electric cylinder 323, the telescopic frame 321 is sleeved outside the first sliding rod 315 and the second sliding rod 316, four fixing rods 317 are in sliding fit with the telescopic frame 321, the cylinder 322 is arranged on the surface of the feeding plate 311 and penetrates through the telescopic frame 321, the cylinder 322 is in sliding fit with the feeding plate 311, the first electric cylinder 323 is arranged on the feeding plate 311, the output end of the first electric cylinder 323 penetrates through the feeding plate 311 to be connected with the telescopic frame 321, and the first electric cylinder 323 drives the telescopic frame 321 to move and drive four fixing rods 317 to move synchronously, so that the fixing rods 317 can be conveniently moved to the fixing position of the processing table, the fixing rods 317 can be conveniently drawn out during blanking, the telescopic frame 321 can be limited by the cylinder 322, and the parallel movement of the telescopic frame 321 can be guaranteed.

Preferably, the loading and unloading device 3 further includes a sliding frame 331, a linkage rod 332 and a second electric cylinder 333, the sliding frame 331 is disposed on the turning plate 21 and is in sliding fit with the turning plate 21, one end of the linkage rod 332 passes through the top end of the sliding frame 331 and is fixedly connected with the sliding frame 331, the other end of the linkage rod 332 is in sliding fit with the loading plate 311, the second electric cylinder 333 is disposed on the turning plate 21, and the output end of the second electric cylinder 333 is connected with the sliding frame 331, which is used for extending the output end of the second electric cylinder 333 to drive the sliding frame 331 to move, so that the loading plate 311 rotates and is perpendicular to the turning plate 21 by utilizing the sliding fit of the linkage rod 332 and the loading plate 311, thereby facilitating the fixing of the rod 317, when the sliding frame 331 is retracted, the loading plate 311 rotates to be parallel to the turning plate 21, the extension length of the loading plate 311 is reduced, and the turning plate 21 rotates, the upper material plate 311 is prevented from colliding with the protection stand 1.

Preferably, the turnover plate 21 is further provided with a receiving groove 211, which is used for placing the second motor 318 and the first electric cylinder 323 in the receiving groove 211 when the feeding plate 311 rotates to be parallel to the turnover plate 21, so that the feeding plate 311 and the turnover plate 21 are completely attached, the space required by the rotation of the feeding plate 311 is reduced, and the turnover plate 21 can rotate rapidly.

Preferably, the collecting device 4 comprises an electromagnetic device 41, a collecting frame 42, a pushing rod 43, a third electric cylinder 44 and a collecting box 45, the electromagnetic device 41 is arranged on the turnover plate 21, the collecting frame 42 is arranged on the surface of the protective platform 1 and is close to the position of the feeding and discharging device 3, the pushing rod 43 is arranged on the protective platform 1, the third electric cylinder 44 is arranged on the protective platform 1, the output end of the third electric cylinder is connected with the pushing rod 43, the collecting box 45 is arranged at the side end of the protective platform 1 and is close to the bottom of the collecting frame 42, the electromagnetic device 41 on the other side of the turnover plate 21 can attract and collect scrap iron generated above the hollow gear during machining after the feeding and discharging device 3 is turned to the outer side of the protective platform 1, the scrap iron is prevented from influencing the machining, the turnover plate 21 rotates after the machining is completed, and the feeding and discharging is performed by the feeding and discharging device 3, the side that the returning face plate 21 attracts iron fillings rotates the outside to protection platform 1, promotes catch bar 43 through third electric cylinder 44 and pushes away the iron fillings on the returning face plate 21 from collecting rack 42 to the landing realizes automatic collection to collecting box 45.

The working principle of the invention is as follows: when the device is used, the hollow gear is fixed through the feeding and discharging device 3 on one side of the protective table 1, the hollow gear is rotated to the inside of the protective table 1 through the rotation of the turnover device 2 and is installed on a gear hobbing machine, after the hollow gear is installed, the feeding and discharging device 3 is rotated to the outer side of the protective table 1, scrap iron during machining is collected through the electromagnetic device 41 on the turnover plate 21, the influence on machining of the hollow gear is prevented, after the device is machined, the hollow gear is fixed through the feeding and discharging device 3 on the other side of the protective table 1, a workpiece is fixed through the feeding and discharging device 3, meanwhile, scrap iron attracted on the turnover plate 21 is pushed into the collecting box 45 through the pushing rod 43, then discharging is carried out, and scrap iron removing operation is carried out on the other turnover plate 21 during feeding.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a protector in gear hobbing machine, its characterized in that, includes protection platform (1), turning device (2), goes up unloader (3) and collection device (4), the upper end of protection platform (1) is trapezoidal, turning device (2) set up on protection platform (1), go up unloader (3) and set up on turning device (2), collection device (4) set up on protection platform (1), turning device (2), go up unloader (3) and collection device (4) are provided with two sets ofly, two sets of turning device (2), last unloader (3) and collection device (4) symmetry respectively set up the both sides at protection platform (1).

2. The internal guard of a gear hobbing machine of claim 1, characterized in that: go up turning device (2) including returning face plate (21) and first motor (22), the upset groove has been seted up to the side of protection platform (1), returning face plate (21) set up in the upset groove and rotate with the upset groove and be connected, the helical gear has been seted up in the pivot of returning face plate (21) one side, first motor (22) set up on protection platform (1), be equipped with the helical gear meshing of helical gear on helical gear and the first motor (22) and the helical gear of returning face plate (21) pivot department on the output of first motor (22).

3. The internal guard of a gear hobbing machine according to claim 2, characterized in that: the feeding and discharging device (3) comprises a feeding plate (311), a first rotating disc (312), a second rotating disc (313), arc-shaped grooves (314), a first sliding rod (315), a second sliding rod (316), a fixing rod (317) and a second motor (318), one end of the feeding plate (311) is connected with the turnover plate (21), the first rotating disc (312) is arranged at the side end of the feeding plate (311), two second rotating discs (313) are arranged at the side end of the feeding plate (311) and are positioned at two sides of the first rotating disc (312), six arc-shaped grooves (314) are arranged, two arc-shaped grooves (314) are arranged on the first rotating disc (312), the remaining four arc-shaped grooves (314) are respectively arranged on the two second rotating discs (313), one ends of the first sliding rod (315) and one end of the second sliding rod (316) are in sliding fit with the feeding plate (311), the fixing rods (317) are provided with two groups and are in sliding fit with the first sliding rod (315) and the second sliding rod (316) respectively, one side of the bottom of the first sliding rod (315) is in sliding fit with one arc-shaped groove (314) in the first rotating disc (312), the other side of the bottom of the first sliding rod (315) is in sliding fit with one arc-shaped groove (314) in the second rotating disc (313), the bottom of the second sliding rod (316) is in sliding fit with the other arc-shaped groove (314) in the second rotating disc (313), the first sliding rod (315), the second sliding rod (316) and the fixing rods (317) are provided with two groups and are symmetrically arranged on the feeding plate (311), the second motor (318) is arranged on the surface of the feeding plate (311), and the output end of the second motor (318) is connected with the rotating shaft of the first rotating disc (312).

4. A protection device in a gear hobbing machine according to claim 3, characterized in that: last unloader (3) still include flexible frame (321), cylinder (322) and first electric jar (323), flexible frame (321) cover is established in first slide bar (315) and second slide bar (316) outside, four dead lever (317) and flexible frame (321) sliding fit, cylinder (322) set up on the surface of last flitch (311) and pass flexible frame (321), cylinder (322) and last flitch (311) sliding fit, first electric jar (323) set up on last flitch (311), the output of first electric jar (323) passes last flitch (311) and is connected with flexible frame (321).

5. The internal guard of a gear hobbing machine according to claim 2, characterized in that: go up unloader (3) and still include carriage (331), gangbar (332) and second electric jar (333), carriage (331) set up on returning face plate (21) and with returning face plate (21) sliding fit, the top of carriage (331) and with carriage (331) fixed connection are passed to the one end of gangbar (332), the other end and last flitch (311) sliding fit of gangbar (332), second electric jar (333) set up on returning face plate (21), the output and the carriage (331) of second electric jar (333) are connected.

6. The internal guard of a gear hobbing machine according to claim 2, characterized in that: the turnover plate (21) is also provided with an accommodating groove (211).

7. The internal guard of a gear hobbing machine according to claim 2, characterized in that: the collecting device (4) comprises an electromagnetic device (41), a collecting frame (42), a push rod (43), a third electric cylinder (44) and a collecting box (45), wherein the electromagnetic device (41) is arranged on the turnover plate (21), the collecting frame (42) is arranged on the surface of the protective table (1) and close to the position of the feeding and discharging device (3), the push rod (43) is arranged on the protective table (1), the third electric cylinder (44) is arranged on the protective table (1) and the output end of the third electric cylinder is connected with the push rod (43), and the collecting box (45) is arranged at the side end of the protective table (1) and close to the bottom of the collecting frame (42).