CN220279015U

CN220279015U - Cutting power head on cutting chamfering machine

Info

Publication number: CN220279015U
Application number: CN202322044629.3U
Authority: CN
Inventors: 项彬宸; 项光春; 项玉振
Original assignee: Aotai Machine Manufacturing Co ltd
Current assignee: Aotai Machine Manufacturing Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-01-02
Anticipated expiration: 2033-07-31

Abstract

The utility model relates to a cutting power head on a cutting chamfering machine, which comprises a shell, a rotating shaft, a blade, a motor for driving the rotating shaft to rotate and a transmission assembly arranged between the motor and the rotating shaft, wherein the blade is arranged on the rotating shaft and rotates synchronously with the rotating shaft, the end part of the rotating shaft, on which the blade is arranged, extends out of the shell, the transmission assembly comprises a sun gear, a planet gear, a gear ring and a planet carrier, the gear ring is arranged on the inner side wall of the shell, the sun gear is arranged on an output shaft of the motor, the planet gear is arranged on the planet carrier and meshed with the sun gear, the transmission assembly further comprises a transmission gear, the transmission gear is arranged on the planet carrier and is positioned below the planet gear, the transmission gear is meshed with the gear ring, and the diameter of the transmission gear is smaller than that of the planet gear. By adopting the technical scheme, the utility model provides the cutting power head on the cutting chamfering machine, and the transmission gear meshed with the gear ring is arranged on the planet carrier, so that the whole volume is small, and the speed ratio is increased.

Description

Cutting power head on cutting chamfering machine

Technical Field

The utility model relates to a cutting chamfering machine, in particular to a cutting power head on the cutting chamfering machine.

Background

The applicant has previously applied for a chinese patent of authority publication number CN202667800U, it discloses a saw bit type numerical control cutting chamfering machine, which comprises a frame, cutting chamfering device, pipe fitting clamping disk and rotary disk, be provided with rotating device between frame and the rotary disk, rotating device is including the motor, output drive gear and drive gear dish, wherein drive gear dish is fixed to be set up on the rotary disk or with rotary disk an organic whole sets up, motor output shaft and output drive gear linkage, output drive gear meshes with the drive gear dish, become normal running fit between clamping disk and the frame, the articulated cutting chamfering device mounting bracket that is provided with on the rotary disk, this mounting bracket is articulated with the rotary disk, be provided with long through-hole on the opposite side, the rotary disk is fixed and is provided with the spacer pin, this spacer pin wears to establish and breaks away from the rotary disk at long through-hole, the cooperation of spacer pin and long through-hole constitutes the mounting bracket and pastes the rotary disk and swing up and down, the rotary disk is located the position department of spacer pin and is provided with mounting bracket locking mechanism, cutting chamfering device is including the motor, drive assembly and blade mounting bracket, the motor is fixed on the mounting bracket, drive assembly passes through the bearing and is fixed on the mounting bracket, motor output shaft is cooperated with drive assembly.

Above-mentioned cutting beveler, its drive assembly adopts planetary transmission gear to transmit, and the ring gear is transmitted with the planet wheel cooperation, and above-mentioned drive assembly holistic structure is great, and the speed ratio is less simultaneously.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides a cutting power head on a cutting chamfering machine, which is provided with a transmission gear meshed with a gear ring on a planet carrier, so that the whole volume is small, and the speed ratio is increased.

The technical scheme of the utility model is as follows: the utility model provides a cutting unit head on cutting chamfering machine, includes shell, pivot, blade, drive pivot pivoted motor and sets up the drive assembly between motor and pivot, the blade sets up in the pivot with pivot synchronous rotation, the output shaft and the drive assembly linkage cooperation of motor, pivot and drive assembly all set up in the shell, the tip that the blade was installed to the pivot extends to outside the shell, drive assembly includes sun gear, planet wheel, ring gear and planet carrier, the ring gear sets up on the inside wall of shell, the sun gear set up on the output shaft of motor, the planet wheel sets up on the planet carrier and meshes with the sun gear, drive assembly still including drive gear, drive gear sets up on the planet carrier and is located the below of planet wheel, drive gear and ring gear meshing, and drive gear's diameter is less than the diameter of planet wheel.

By adopting the technical scheme, the motor drives the sun wheel to rotate, the planet wheel and the sun wheel are meshed to realize rotation, the planet carrier drives the transmission gear to rotate when rotating, so that the transmission gear moves on the gear ring, the diameter of the transmission gear is smaller than that of the planet wheel, and the gear ring is meshed with the transmission gear, so that the shell does not need to be expanded outwards, the whole structure is smaller than that of the gear ring and the planet wheel in the prior art, and the structure of the gear ring is unchanged, so that the speed ratio is increased.

The utility model is further provided with: the transmission assembly further comprises a transmission shaft, a first spiral bevel gear arranged on the transmission shaft and a second spiral bevel gear arranged on the rotation shaft, the transmission shaft is in linkage fit with the planet carrier, and the first spiral bevel gear is meshed with the second spiral bevel gear to drive the rotation shaft to rotate so as to realize cutting.

Adopt above-mentioned further setting, transmission simple structure, pivot sets up as an organic whole, and stable in structure can not take place to beat when rotating, compares in the split type setting of prior art pivot, thereby the structure is unstable when leading to rotating, thereby the easy emergence beats and leads to the sawtooth on the blade to break off, influences the cutting effect.

Still further, the present utility model provides: the shell includes split type first casing, second casing and the third casing that sets gradually and connect through the connecting piece, the motor sets up the upper end at first casing, the output shaft of motor stretches into in the first casing, the second casing is located the periphery of planet carrier, be equipped with annular boss on the inside wall of second casing, the ring gear sets up on annular boss's the inside wall, the planet wheel rotates the up end that sets up at annular boss, first casing flushes with the lateral surface of second casing, the third casing is the I shape setting, transmission shaft and pivot all rotate the setting in the third casing.

By adopting the further arrangement, the installation of each part is convenient, and the structural layout is reasonable.

Still further, the present utility model is provided with: the planet carrier is provided with a plurality of rotating shafts, and the planet gears and the transmission gears are all sleeved on the rotating shafts.

By adopting the further arrangement, the structure is more stable when the planet wheel and the transmission gear rotate.

Still further, the present utility model is provided with: the planetary gear is characterized in that a through groove is formed in the middle of the planet carrier, a plurality of saw teeth are arranged on the side wall of the through groove, a plurality of tooth grooves are formed in the upper end of the transmission shaft, and each saw tooth is matched with each tooth groove so as to drive the transmission shaft to rotate.

By adopting the further arrangement, the connecting structure is firm, and the transmission shaft is driven to rotate when the planet carrier rotates.

Drawings

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

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

FIG. 3 is a schematic view of a transmission assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a transmission gear according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a propeller shaft according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a second housing according to an embodiment of the utility model;

fig. 7 is a schematic view of a planet carrier according to an embodiment of the utility model.

Description of the embodiments

The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments 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.

It should be noted that all directional indications (such as up, down, front, and rear … …) in the description of the present utility model are merely for explaining the relative positional relationship, movement, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. In the description of the present utility model, "a number" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.

As shown in fig. 1-7, a cutting power head on a cutting chamfering machine comprises a shell 1, a rotating shaft 2, a blade 3, a motor 4 for driving the rotating shaft 2 to rotate and a transmission component arranged between the motor 4 and the rotating shaft 2, wherein the blade 3 is arranged on the rotating shaft 2 and synchronously rotates with the rotating shaft 2, the blade is arranged on the rotating shaft through screws, so that the blade structure is firm, an output shaft of the motor 4 is in linkage fit with the transmission component, the rotating shaft 2 and the transmission component are arranged in the shell 1, the end part of the blade 3 is arranged on the rotating shaft 2 and extends out of the shell 1, the transmission component comprises a sun gear 51, a planet gear 52, a gear ring 53 and a planet carrier 54, the gear 53 is arranged on the inner side wall of the shell 1, the sun gear 51 is arranged on the output shaft of the motor 4, the planet gear 52 is arranged on the planet carrier 54 and meshed with the sun gear 51, the transmission component further comprises a transmission gear 55, the transmission gear 55 is arranged on the planet carrier 54 and is positioned below the planet gear 52, the transmission gear 55 is meshed with the planet gear 53, the diameter of the transmission gear 55 is smaller than the diameter of the transmission component, the motor 2 and the motor 4 and the end part of the blade 3 extends out of the shell 1, the sun gear 52 is meshed with the sun gear 52, and the diameter of the sun gear 52 is not meshed with the planet gear 52, and the sun gear 52 is meshed with the planet gear 55, and the sun gear 52 is meshed with the planet gear 52 and the planet gear 52 is meshed with the planet gear 52. The planet carrier 54 is provided with a plurality of rotating shafts 541, the planet gears 52 and the transmission gears 55 are all sleeved on the rotating shafts 541, and the structure is more stable when the planet gears 52 and the transmission gears 55 rotate.

The transmission assembly further comprises a transmission shaft 56, a first spiral bevel gear 57 arranged on the transmission shaft 56 and a second spiral bevel gear 58 arranged on the rotating shaft 2, the transmission shaft 56 is in linkage fit with the planet carrier 54, the first spiral bevel gear 57 is meshed with the second spiral bevel gear 58 to drive the rotating shaft 2 to rotate so as to realize cutting, the transmission structure is simple, the rotating shaft 2 is integrally arranged, the structure is stable during rotation, jumping cannot occur, compared with the split type rotating shaft arrangement in the prior art, the structure is unstable during rotation, and the jumping easily occurs so that saw teeth on the blades are broken, and the cutting effect is affected. Specifically, the planet carrier is connected with the transmission shaft, the middle part position of planet carrier 54 has seted up logical groove 542, is equipped with a plurality of sawtooth 543 on the lateral wall of logical groove 542, the upper end of transmission shaft 56 is equipped with a plurality of tooth grooves 561, thereby each sawtooth 543 cooperates with tooth groove 561 and drives the transmission shaft 56 and rotate, connection structure is firm, drives the transmission shaft and rotates when being convenient for the planet carrier to rotate.

The shell 1 comprises a first shell 11, a second shell 12 and a third shell 13 which are arranged in a split mode, the shells are sequentially arranged and connected through connecting pieces, the connecting pieces are connected through screws and the like, a motor 4 is arranged at the upper end part of the first shell 11, an output shaft of the motor stretches into the first shell 11, the second shell 12 is located at the periphery of a planet carrier 54, an annular boss 121 is arranged on the inner side wall of the second shell 12, a gear ring 53 is arranged on the inner side wall of the annular boss 121, the planet gears 52 are rotatably arranged on the upper end face of the annular boss 121, the first shell 11 is flush with the outer side face of the second shell 12, the third shell 13 is in an I-shaped arrangement, a transmission shaft 56 and a rotating shaft 2 are rotatably arranged in the third shell 13, the installation of each part is facilitated, and the structure layout is reasonable.

Claims

1. A cutting power head on a cutting chamfering machine comprises a shell (1), a rotating shaft (2), a blade (3), a motor (4) for driving the rotating shaft (2) to rotate and a transmission component arranged between the motor (4) and the rotating shaft (2), the blade (3) is arranged on the rotating shaft (2) and synchronously rotates with the rotating shaft (2), the output shaft of the motor (4) is in linkage fit with the transmission component, the rotating shaft (2) and the transmission component are arranged in the shell (1), the end part of the rotating shaft (2) provided with the blade (3) extends out of the shell (1), the transmission component comprises a sun gear (51), a planet wheel (52), a gear ring (53) and a planet carrier (54), wherein the gear ring (53) is arranged on the inner side wall of the shell (1), the sun gear (51) is arranged on the output shaft of the motor (4), the planet wheel (52) is arranged on the planet carrier (54) and meshed with the sun gear (51), it is characterized in that the transmission assembly also comprises a transmission gear (55), the transmission gear (55) is arranged on the planet carrier (54) and is positioned below the planet wheel (52), the transmission gear (55) is meshed with the gear ring (53), and the diameter of the transmission gear (55) is smaller than that of the planet wheel (52).

2. The cutting power head on the cutting and chamfering machine according to claim 1, characterized in that the transmission assembly further comprises a transmission shaft (56), a first spiral bevel gear (57) arranged on the transmission shaft (56) and a second spiral bevel gear (58) arranged on the rotating shaft (2), the transmission shaft (56) is in linkage fit with the planet carrier (54), and the first spiral bevel gear (57) is meshed with the second spiral bevel gear (58) to drive the rotating shaft (2) to rotate.

3. The cutting power head on a cutting chamfering machine according to claim 2, characterized in that the housing (1) comprises a first housing (11), a second housing (12) and a third housing (13) which are arranged in a split mode, the housings are sequentially arranged and connected through connecting pieces, the motor (4) is arranged at the upper end part of the first housing (11), an output shaft of the motor (4) stretches into the first housing (11), the second housing (12) is located at the periphery of the planet carrier (54), an annular boss (121) is arranged on the inner side wall of the second housing (12), the gear ring (53) is arranged on the inner side wall of the annular boss (121), the planet gears (52) are rotatably arranged on the upper end face of the annular boss (121), the first housing (11) is flush with the outer side face of the second housing (12), the third housing (13) is in an I-shaped arrangement, and the transmission shaft (56) and the rotating shaft (2) are rotatably arranged in the third housing (13).

4. Cutting power head on a cutting and chamfering machine according to claim 1 or 2, characterized in that the planet carrier (54) is provided with a plurality of rotating shafts (541), and the planet wheels (52) and the transmission gear (55) are all sleeved on the rotating shafts (541).

5. A cutting power head on a cutting and chamfering machine according to claim 2 or 3, characterized in that a through groove (542) is formed in the middle of the planet carrier (54), a plurality of saw teeth (543) are formed in the side wall of the through groove (542), a plurality of tooth grooves (561) are formed in the upper end of the transmission shaft (56), and each saw tooth (543) is matched with each tooth groove (561) so as to drive the transmission shaft (56) to rotate.