CN211218949U

CN211218949U - Cutting machine head

Info

Publication number: CN211218949U
Application number: CN201922046922.7U
Authority: CN
Inventors: 黄建立
Original assignee: Jiangsu Hefeng Mechanical Making Co ltd
Current assignee: Jiangsu Hefeng Mechanical Making Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-11
Anticipated expiration: 2029-11-25

Abstract

The utility model provides a cutting machine head, which comprises a machine head shell and a variable frequency motor; a belt pulley is arranged on the right side of the machine head shell, and an output shaft of the variable frequency motor is in transmission connection with the belt pulley through a belt; the gear-saw blade saw-tooth machine head comprises a machine head shell, and is characterized in that a belt wheel shaft, a shaft a gear, a shaft a, a shaft b gear, a shaft b, a main spiral gear and a main shaft are arranged in the machine head shell, the shaft a gear is fixedly sleeved at the left end of the shaft a, the shaft b gear is fixedly sleeved at the right end of the shaft b, the main spiral gear is fixedly sleeved at the middle end of the main shaft, the right end of the belt wheel shaft penetrates through the machine head shell and is fixedly connected with a belt wheel, the left end of the main shaft penetrates through the machine head shell and is fixedly connected with the center of a saw blade, the right end of the shaft a, the left end of the shaft b and the right end of the main shaft are connected onto the machine head shell through bearings respectively, the gear arranged. The cutting machine head can be used for cutting different pipe fittings, and the production efficiency is improved.

Description

Cutting machine head

Technical Field

The utility model belongs to the technical field of the cutting machine, especially, relate to a cutting machine aircraft nose.

Background

With the development of the modern machining industry, the use amount of steel in the mechanical industry in China is larger and larger, so that the cutting amount of the steel is very large. With the continuous development of the technology, the requirements on the cutting quality and precision are continuously improved, and the requirements on the automatic cutting function with high intelligence, which can improve the production efficiency and reduce the production cost, are also improved. At present some pipe fittings are more complicated, only can not accomplish by light-duty cutting head, need novel cutting head just can accomplish, and present cutting machine is light-duty cutting head or heavy cutting head to constitute mostly, will change different machines during the cutting of different pipe fittings, and is more troublesome, is unfavorable for improving production efficiency.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved is as follows: divide into light-duty and heavy to current cutting machine, the cutting of different pipe fittings need to be changed different machinery, has reduced production efficiency and manufacturing cost's shortcoming, the utility model provides a cutting machine aircraft nose can be used for cutting different pipe fittings, improves production efficiency.

The technical scheme is as follows: a cutting machine head comprises a machine head shell and a variable frequency motor arranged above the machine head shell; a belt pulley is arranged on the right side of the machine head shell, and an output shaft of the variable frequency motor is in transmission connection with the belt pulley through a belt; the saw bit is characterized in that a pulley shaft, a shaft a gear, a shaft a, a shaft b gear, a shaft b, a main spiral gear and a main shaft are arranged in the machine head shell, the shaft a gear is fixedly sleeved at the left end of the shaft a, the shaft b gear is fixedly sleeved at the right end of the shaft b, the main spiral gear is fixedly sleeved at the middle end of the main shaft, the right end of the pulley shaft penetrates through the machine head shell and is fixedly connected with a pulley, the left end of the main shaft penetrates through the machine head shell and is fixedly connected with the center of a saw blade, the right end of the shaft a, the left end of the shaft b and the right end of the main shaft are connected onto the machine head shell through bearings respectively, the gear arranged at the left end of the pulley shaft is meshed with the shaft a gear, the gear.

The part of the belt pulley shaft penetrating through the handpiece shell is connected with the handpiece shell through a bearing.

The part of the main shaft penetrating through the machine head shell is connected with the machine head shell through a bearing.

Has the advantages that: the utility model provides a cutting machine aircraft nose has following beneficial effect: the cutting machine head is arranged on the cutting machine, the variable frequency motor is arranged above the machine head shell, the saw blade is arranged on the main shaft, the variable frequency motor drives a gear in the machine head shell to rotate through a belt, and the saw blade is driven to move through three-stage transmission to achieve the purpose of saw cutting; the variable frequency motor realizes stepless speed regulation of the sawing speed through frequency modulation, so that the variable frequency motor is suitable for sawing different pipe fittings, the production efficiency is improved, and the production cost is reduced.

Drawings

Fig. 1 is a top view of the cutting machine head of the present invention.

Fig. 2 is a partial sectional view taken along the plane a-a in fig. 1.

Fig. 3 is a front view of the cutting machine head of the present invention.

Fig. 4 is a cross-sectional view taken along the plane B-B in fig. 3.

Fig. 5 is a perspective view of the cutting machine head of the present invention with the front side shell removed.

In the figure: 1. a handpiece housing; 2. a variable frequency motor; 3. a belt pulley; 4. an output shaft; 5. a belt; 6. a pulley shaft; 7. shaft a gear; 8. a shaft a; 9. shaft b gear; 10. a shaft b; 11. a main helical gear; 12. a main shaft; 13. a saw blade.

Detailed Description

The following embodiments further illustrate the cutting machine head of the present invention with reference to the accompanying drawings. The term "right" refers to the side where the output shaft 4 of the variable frequency motor 2 is located, and the term "left" refers to the other side corresponding to "right".

Example 1

The embodiment provides a cutting machine head, which comprises a head shell 1 and a variable frequency motor 2 arranged above the head shell 1; a belt pulley 3 is arranged on the right side of the handpiece shell 1, and an output shaft 4 of the variable frequency motor 2 is in transmission connection with the belt pulley 3 through a belt 5; the hand piece shell 1 is internally provided with a belt pulley shaft 6, a shaft a gear 7, a shaft a8, a shaft b gear 9, a shaft b10, a main spiral gear 11 and a main shaft 12, wherein the shaft a gear 7 is fixedly sleeved at the left end of the shaft a8, the shaft b gear 9 is fixedly sleeved at the right end of the shaft b10, the main spiral gear 11 is fixedly sleeved at the middle end of the main shaft 12, the right end of the belt pulley shaft 6 penetrates through the hand piece shell 1 to be fixedly connected with a belt pulley 3, the left end of the main shaft 12 penetrates through the hand piece shell 1 to be fixedly connected with the center of a saw blade 13, the right end of the shaft a8, the left end of the shaft b10 and the right end of the main shaft 12 are respectively connected to the hand piece shell 1 through bearings, a gear arranged at the left end of the belt pulley shaft 6 is meshed with the shaft a gear 7, a gear arranged at the right end of.

Preferably, the part of the pulley shaft 6 penetrating through the handpiece shell 1 is connected with the handpiece shell 1 through a bearing.

Preferably, the part of the main shaft 12 penetrating through the handpiece housing 1 is connected with the handpiece housing 1 through a bearing.

The belt pulley shaft 6, the shaft a8, the shaft b10 and the main shaft 12 are all connected with the machine head shell 1 in a bearing connection mode, and deep groove oil bearings or tapered roller bearings can be selected as required by the bearings, so that the requirements of higher radial load, impact load, smaller friction coefficient and the like are met.

The utility model discloses a variable frequency motor 2's operation, output shaft 4 rotates the back and drives belt pulley 3 through belt 5 and rotates, belt pulley 3 pivoted while belt pulley shaft 6 rotates, belt pulley shaft 6 drives axle a gear 7 and rotates, axle a gear 7 pivoted while axle a8 rotates, axle a8 drives axle b gear 9 and rotates, axle b gear 9 pivoted while axle b10 rotates, axle b10 drives main helical gear 11 and rotates, main shaft 12 rotates when main helical gear 11 pivoted, main shaft 12 rotates the back saw bit 13 of installing at main shaft 12 left end and rotates, thereby saw bit 13 saw cuts the pipe fitting.

The utility model discloses a thereby 2 regulation speed of inverter motor change main shaft 12's rotational speed through tertiary transmission. The cutting speed is determined to be different due to different pipe fittings in material, size and wall thickness. The purpose of three-stage transmission is to facilitate speed regulation and improve the strength and precision of the machine head.

The embodiments of the present invention have been described in detail, and to those skilled in the art, according to the idea of the embodiments of the present invention, there are changes in the specific implementation and application range, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A cutting machine head is characterized in that: comprises a machine head shell (1) and a variable frequency motor (2) arranged above the machine head shell (1); a belt pulley (3) is arranged on the right side of the handpiece shell (1), and an output shaft (4) of the variable frequency motor (2) is in transmission connection with the belt pulley (3) through a belt (5); a belt pulley shaft (6), a shaft a gear (7), a shaft a (8), a shaft b gear (9), a shaft b (10), a main spiral gear (11) and a main shaft (12) are arranged in the handpiece shell (1), the shaft a gear (7) is fixedly sleeved at the left end of the shaft a (8), the shaft b gear (9) is fixedly sleeved at the right end of the shaft b (10), the main spiral gear (11) is fixedly sleeved at the middle end of the main shaft (12), the right end of the belt pulley shaft (6) penetrates through the handpiece shell (1) and is fixedly connected with a belt pulley (3), the left end of the main shaft (12) penetrates through the handpiece shell (1) and is fixedly connected with the center of a saw blade (13), the right end of the shaft a (8), the left end of the shaft b (10) and the right end of the main shaft (12) are respectively connected to the handpiece shell (1) through bearings, a gear arranged at the left end of the belt pulley shaft (6, the gear arranged at the right end of the shaft a (8) is meshed with the gear (9) of the shaft b, and the gear arranged at the middle end of the shaft b (10) is meshed with the main spiral gear (11).

2. The cutter head as set forth in claim 1, wherein: the part of the belt pulley shaft (6) penetrating through the machine head shell (1) is connected with the machine head shell (1) through a bearing.

3. The cutter head as set forth in claim 1, wherein: the part of the main shaft (12) penetrating through the handpiece shell (1) is connected with the handpiece shell (1) through a bearing.