CN220805745U

CN220805745U - But spacing's double-cut formula hobbing cutter

Info

Publication number: CN220805745U
Application number: CN202322685282.0U
Authority: CN
Inventors: 张益虎; 汤福龙; 王茂华
Original assignee: Maanshan Jingchuang Engineering Tool Manufacturing Co ltd
Current assignee: Maanshan Jingchuang Engineering Tool Manufacturing Co ltd
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-04-19
Anticipated expiration: 2033-10-08

Abstract

The utility model discloses a double-cutting hob with adjustable distance, and belongs to the technical field of hob. The automatic hob cutter comprises a hob shaft, shaft sleeves used for connecting a driving shaft are arranged at two ends of the hob shaft, an installation groove is formed in the upper end of the hob shaft, an adjusting disc is arranged in the installation groove, a driving shell is arranged in the hob shaft, hob sleeves are arranged on two sides of the adjusting disc, and hob main bodies are fixedly arranged on the outer walls of the hob sleeves. The utility model solves the problems that the adjusting mode between the cutters in the prior art needs to be detached and readjusted one by one and is troublesome, the adjusting disk is matched with the transmission mechanism in the driving shell to adjust the distance between the hob main bodies, and the adjusting disk is fixed with the hob shaft by utilizing the positioning screw to be matched with the positioning groove after the adjustment is finished, so that the loosening of the adjusting disk in the rotating process of the hob shaft can be effectively prevented, and the stability in the use process is ensured.

Description

But spacing's double-cut formula hobbing cutter

Technical Field

The utility model relates to the technical field of hob cutters, in particular to a double-cutting hob cutter with adjustable distance.

Background

The double-cutting hob is mainly used for high-speed and high-efficiency processing of large-modulus gears in the mechanical industries of wind power, cement, metallurgy, building materials and the like;

Chinese patent publication No. CN214136207U discloses a movable slitting knife convenient for adjusting the pitch: this patent passes through the setting of joint subassembly, and the solid fixed ring can be through joint subassembly detachable connection with tooth sword group for tooth sword group can be dismantled from the solid fixed ring, is convenient for change tooth sword group.

However, the above-mentioned technique solves the problem that the cutter is easily displaced by the bolt and the groove on the spindle in an unstable manner, but has the following drawbacks:

The adjustment mode between the existing cutters is required to be detached and readjusted one by one, and is relatively troublesome.

In view of these drawbacks, it is necessary to design a double-cutting hob with adjustable spacing.

Disclosure of utility model

The utility model aims to provide a double-cutting hob with adjustable spacing, which is used for adjusting the spacing between hob bodies through the matching of an adjusting disc and a transmission mechanism in a driving shell, and the adjusting disc is fixed with a hob shaft through the matching of a positioning screw and a positioning groove after the adjustment is finished, so that the loosening of the adjusting disc in the rotating process of the hob shaft can be effectively prevented, the stability in the using process is ensured, and the problems in the prior art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but double-cut formula hobbing cutter of adjustable interval, includes the hob axle, the both ends of hob axle all are provided with the axle sleeve that is used for connecting the drive shaft, the upper end of hob axle is provided with the mounting groove, the inside of mounting groove is provided with the regulating disk, the inside of hob axle is provided with the drive casing, the both sides of regulating disk all are provided with the hob cover, fixedly on the outer wall of hob cover be provided with the hob main part.

Preferably, the adjusting disk is internally provided with a cross groove and positioning grooves, and the positioning grooves are distributed around the cross groove.

Preferably, a first screw rod is arranged on one side of the driving shell, and a second screw rod is arranged on the other side of the driving shell.

Preferably, a driving bevel gear is arranged in the driving shell, and the driving bevel gear is fixedly connected with the adjusting plate through an adjusting rod.

Preferably, both sides of the driving bevel gear are respectively provided with a synchronous bevel gear in a meshed manner, and the synchronous bevel gears are respectively and fixedly connected with the first screw rod and the second screw rod.

Preferably, one side of the first screw rod and one side of the second screw rod, which are far away from the driving shell, are fixedly connected with the hob shaft through bearings, movable sleeves are arranged on the outer walls of the first screw rod and the second screw rod, and the movable sleeves are fixedly connected with the hob sleeves through connecting rods.

Preferably, the upper end and the lower end of the cutter shaft are both provided with movable grooves for connecting the rod to move.

Preferably, a scale mark for judging the distance is arranged on one side of the movable groove, and the scale mark is positioned on the outer wall of the hob shaft.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the double-cutting hob with adjustable spacing, the spacing between hob bodies is conveniently adjusted through the cooperation of the adjusting disc and the transmission mechanism in the driving shell, after adjustment is finished, the adjusting disc is fixed with the hob shaft through the cooperation of the positioning screw and the positioning groove, the loosening of the adjusting disc in the rotating process of the hob shaft can be effectively prevented, the stability in the using process is ensured, the movable groove is convenient for the connecting rod connected with the hob sleeve to reciprocate, and the adjustment distance can be observed through cooperation of the scale mark, so that the spacing is accurately adjusted.

2. According to the double-cutting hob with the adjustable distance, the hob shaft is installed with the driving device for driving the whole hob through the shaft sleeve, the hob sleeve is convenient for fixing and installing the hob body, the hob body is enabled to cut a workpiece more stably under the driving of the hob shaft, when the double-cutting hob is damaged, the whole hob shaft can be detached independently or the hob body can be detached directly for replacement according to the damage condition, and the double-cutting hob is convenient and practical.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an overall cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the internal structure of the driving housing according to the present utility model;

FIG. 4 is a schematic view of a movable sleeve according to the present utility model;

Fig. 5 is a schematic diagram of the overall top view structure of the present utility model.

In the figure: 1. a cutter shaft; 2. an adjusting plate; 3. a hob body; 4. a drive housing; 5. scale marks; 101. a shaft sleeve; 102. a movable groove; 103. a mounting groove; 201. a cross groove; 202. a positioning groove; 203. an adjusting rod; 301. a hob sleeve; 401. a first screw rod; 402. a second screw rod; 403. a driving helical gear; 404. synchronous bevel gears; 405. a movable sleeve; 406. and (5) connecting a rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the technical problem that the existing adjusting mode between the cutters needs to be detached and adjusted one by one, referring to fig. 1-5, the present embodiment provides the following technical solutions:

The utility model provides an adjustable interval's double-cut formula hobbing cutter, includes hob axle 1, and the both ends of hob axle 1 all are provided with the axle sleeve 101 that is used for connecting the drive shaft, and the upper end of hob axle 1 is provided with mounting groove 103, and the inside of mounting groove 103 is provided with regulating disk 2, and the inside of hob axle 1 is provided with drive housing 4, and regulating disk 2 both sides all are provided with hob cover 301, fixedly on the outer wall of hob cover 301 is provided with hob main part 3.

Specifically, the hob shaft 1 is installed through the shaft sleeve 101 and a driving device for driving the whole cutter, the distance between the hob bodies 3 is adjusted through the cooperation of the adjusting disc 2 and the internal transmission mechanism of the driving shell 4, the hob sleeve 301 is convenient for the fixed installation of the hob bodies 3, the hob bodies 3 are enabled to cut workpieces more stably under the driving of the hob shaft 1, and when the double-cutting hob is damaged, the whole hob shaft 1 can be detached independently or the hob bodies 3 can be detached directly according to the damage condition to be replaced, so that the double-cutting hob is convenient and practical.

The inside of the adjusting disk 2 is provided with a cross groove 201 and positioning grooves 202, and the positioning grooves 202 are distributed around the cross groove 201.

Specifically, the adjusting disc 2 can be driven to rotate by using the cross screwdriver to align with the cross groove 201 of the adjusting disc 2, and when the adjusting disc 2 is adjusted to a required position, the adjusting disc 2 is fixed with the hob shaft 1 by matching the positioning screw with the positioning groove 202, so that the loosening of the adjusting disc 2 in the rotating process of the hob shaft 1 can be effectively prevented.

A first screw rod 401 is provided on one side of the drive housing 4, and a second screw rod 402 is provided on the other side of the drive housing 4.

The driving bevel gear 403 is arranged in the driving housing 4, and the driving bevel gear 403 is fixedly connected with the adjusting disk 2 through the adjusting rod 203.

Both sides of the driving bevel gear 403 are respectively provided with a synchronous bevel gear 404 in a meshed manner, and the synchronous bevel gears 404 are respectively fixedly connected with the first screw rod 401 and the second screw rod 402.

Specifically, the adjusting rod 203 and the driving bevel gear 403 can be driven to rotate together by the rotation of the adjusting disc 2, and the driving bevel gear 403 is meshed with the synchronous bevel gear 404, so that the synchronous bevel gears 404 on two sides rotate simultaneously to drive the first screw rod 401 and the second screw rod 402 to drive respectively, and the two hob bodies 3 can be mutually close to or far away from each other under the drive of the movable sleeve 405 due to the opposite screw directions of the first screw rod 401 and the second screw rod 402, so that the distance adjustment is realized.

One side of the first screw rod 401 and one side of the second screw rod 402, which are far away from the driving shell 4, are fixedly connected with the hob shaft 1 through bearings, movable sleeves 405 are arranged on the outer walls of the first screw rod 401 and the second screw rod 402, and the movable sleeves 405 are fixedly connected with the hob sleeves 301 through connecting rods 406.

Specifically, under the transmission of the first screw rod 401 and the second screw rod 402, the movable sleeve 405 is driven to move horizontally, and then the hob main body 3 is driven to move, so that the double-cutting hob is adjusted.

The upper end and the lower end of the hob shaft 1 are provided with movable grooves 102 for connecting rods 406 to move.

One side of the movable groove 102 is provided with a scale line 5 for judging the distance, and the scale line 5 is positioned on the outer wall of the hob shaft 1.

Specifically, the movable groove 102 facilitates the reciprocating motion of the connecting rod 406 connected with the hob 301, and can observe and adjust the distance by matching with the scale mark 5, so as to accurately adjust the distance.

Working principle: when the hob body 3 is used, firstly, the hob body 3 is mounted on the hob sleeve 301, then, the cross screwdriver is used for aligning with the cross groove 201 of the adjusting disc 2 to rotate, the adjusting disc 2 can be driven to rotate, the adjusting rod 203 and the driving bevel gear 403 can be driven to rotate together through the rotation of the adjusting disc 2, as the driving bevel gear 403 is meshed with the synchronous bevel gear 404, the synchronous bevel gear 404 respectively drives the first screw rod 401 and the second screw rod 402 to drive the movable sleeve 405 to horizontally move under the drive of the first screw rod 401 and the second screw rod 402, the hob body 3 is driven to move, the distance adjustment of the double-cutting hob is realized, the movable groove 102 is convenient for connecting the connecting rod 406 of the hob sleeve 301 to reciprocate, the adjusting distance can be observed through matching with the scale mark 5, so that the distance can be accurately adjusted, when the hob body is adjusted to a required position, the adjusting disc 2 is fixed with the hob shaft 1 through matching with the positioning screw 202, the hob shaft sleeve 101 can be effectively prevented from loosening in the rotating process, and then the hob shaft 1 is mounted with a driving device for driving the whole hob body 3, and the hob body 3 can be detached independently or detached directly according to the situation of double-damage, and the hob body is convenient to be replaced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable interval's double-cutting formula hobbing cutter, includes arbor (1), its characterized in that: the novel hob comprises a hob body and is characterized in that shaft sleeves (101) used for connecting a driving shaft are arranged at two ends of the hob shaft (1), mounting grooves (103) are formed in the upper ends of the hob shaft (1), an adjusting disc (2) is arranged in each mounting groove (103), a driving shell (4) is arranged in the hob shaft (1), hob sleeves (301) are arranged on two sides of each adjusting disc (2), and hob bodies (3) are fixedly arranged on the outer walls of the hob sleeves (301).

2. The adjustable pitch double-cutting hob according to claim 1, characterized in that: the inside of the adjusting disk (2) is provided with a cross groove (201) and a positioning groove (202), and the positioning groove (202) is distributed around the cross groove (201).

3. The adjustable pitch double-cutting hob according to claim 1, characterized in that: one side of the driving shell (4) is provided with a first screw rod (401), and the other side of the driving shell (4) is provided with a second screw rod (402).

4. The adjustable pitch double-cutting hob according to claim 1, characterized in that: the driving helical gear (403) is arranged in the driving shell (4), and the driving helical gear (403) is fixedly connected with the adjusting disc (2) through the adjusting rod (203).

5. The adjustable pitch double-cutting hob according to claim 4, wherein: both sides of the driving bevel gear (403) are respectively provided with a synchronous bevel gear (404) in a meshed manner, and the synchronous bevel gears (404) are respectively fixedly connected with the first screw rod (401) and the second screw rod (402).

6. A double-cutting hob with adjustable spacing according to claim 3, characterized in that: one side of the first screw rod (401) and the second screw rod (402) far away from the driving shell (4) is fixedly connected with the hob shaft (1) through bearings, movable sleeves (405) are arranged on the outer walls of the first screw rod (401) and the second screw rod (402), and the movable sleeves (405) are fixedly connected with the hob sleeve (301) through connecting rods (406).

7. The adjustable pitch double-cutting hob according to claim 6, characterized in that: the upper end and the lower end of the hob shaft (1) are provided with movable grooves (102) for connecting rods (406) to move.

8. The adjustable pitch double-cutting hob according to claim 7, characterized in that: one side of the movable groove (102) is provided with a scale mark (5) for judging the distance, and the scale mark (5) is positioned on the outer wall of the hob shaft (1).