CN111185844A

CN111185844A - Automatic grinding machine

Info

Publication number: CN111185844A
Application number: CN202010229609.1A
Authority: CN
Inventors: 季明丽; 高建华; 熊渊琳; 万金华
Original assignee: Jiangsu Maritime Institute
Current assignee: Jiangsu Maritime Institute
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-05-22

Abstract

The invention belongs to the field of grinding machines, and relates to an automatic grinding machine. The existing cooling device of the grinding machine has complex structure and high cost. In order to solve the problems, the invention provides an automatic grinding machine which comprises a main shaft, wherein one end of the main shaft penetrates through a gasket 3, a disc and a grinding disc are connected, the other end of the main shaft is connected with a driving device, the main shaft is a hollow shaft, the cooling box is internally provided with cooling liquid, the cooling box is connected with a cooling liquid control button in front of a machine tool through a cooling pump and a pipeline, the pipeline penetrates through an upper bed body and a lower bed body and enters a water inlet pipe at the lower end of the main shaft, a round hole is formed in the center of the grinding disc, and the cooling liquid is sprayed out from the inner control of. The cooling device of the automatic grinding machine has the advantages of simple structure, low use cost and good cooling effect, not only can play a role in cooling, but also can flush away the ground working chips so as to avoid scratching the surface of a workpiece.

Description

Automatic grinding machine

Technical Field

The invention belongs to the field of grinding machines, and relates to an automatic grinding machine.

Background

The grinding machine grinds the surface of a workpiece by using a grinding tool coated with or embedded with an abrasive. The grinding machine is mainly used for grinding high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other molded surfaces in workpieces.

The grinding machine generally adopts high-speed grinding, but the problem of high heat generation caused by the high-speed grinding speed easily causes thermal deformation of a workpiece and a grinding tool, so the problem of cooling must be considered. Application date: 2017.10.31, publication No. CN107738147A, entitled "Cooling device for terrace grinder", discloses a cooling device, which has a complex structure and is applied to the date: 2018.12.25, publication No.: CN 109551361A, entitled cooling device for grinder, discloses a cooling device which is complex in structure, uses liquid nitrogen and is high in use cost.

Disclosure of Invention

1. The technical problem to be solved is as follows:

the existing cooling device of the grinding machine has complex structure and high cost.

2. The technical scheme is as follows:

in order to solve the problems, the invention provides an automatic grinding machine which comprises a main shaft, wherein one end of the main shaft penetrates through a gasket 3, a disc and a grinding disc are connected, the other end of the main shaft is connected with a driving device, the main shaft is a hollow shaft, the cooling box is internally provided with cooling liquid, the cooling box is connected with a cooling liquid control button in front of a machine tool through a cooling pump and a pipeline, the pipeline penetrates through an upper bed body and a lower bed body and enters a water inlet pipe at the lower end of the main shaft, a round hole is formed in the center of the grinding disc, and the cooling liquid is sprayed out from the inner control of.

Still include the wet return, wet return one end with the cooler bin is connected, and the other end is connected with water tray bottom outlet pipe.

The cooling liquid is water or oil.

The pipeline is made of low-temperature resistant materials.

The frequency converter is an alternating current motor frequency converter.

The driving device is a three-phase asynchronous motor, and the three-phase asynchronous motor is connected with the belt pulley on the main shaft through a belt.

3. Has the advantages that:

the cooling device of the automatic grinding machine has the advantages of simple structure, low use cost and good cooling effect, not only can play a role in cooling, but also can flush away the ground working chips so as to avoid scratching the surface of a workpiece.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram 2 of the present invention.

The specification is marked with the specification: 1. a grinding disc; 2. a disc; 3. a gasket; 4. a main shaft; 5. a belt pulley; 7; a water inlet pipe; 8. a water return pipe; 9; a pipeline; 10. a cooling pump; 11. a cooling tank; 12. and a control button.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the present invention provides an automatic grinder, which comprises a main shaft 4, one end of the main shaft 4 passes through a gasket 3, a disc 2 and a grinding disc 1 to be connected, and the other end is connected with a driving device, and is characterized in that: the main shaft 4 is a hollow shaft and further comprises a cooling box 11, cooling liquid is arranged in the cooling box 11, the cooling box 11 is connected with a front cooling liquid control button 12 of a machine tool through a cooling pump 10, a pipeline 9, the pipeline 9 penetrates through an upper bed body and a lower bed body and enters a water inlet pipe 7 at the lower end of the main shaft 1, a round hole is formed in the center of the grinding disc 1, and the cooling liquid is controlled in the main shaft 4 and sprayed out through the round hole.

The cooling liquid is sucked out of a cooling box 11 by a cooling pump 10, is sent to a cooling liquid control button 2 in front of a machine tool through a pipeline 9 and is connected with the cooling liquid control button, then passes through an upper machine body and a lower machine body through the pipeline 9 and enters a pipe joint at the lower end of a main shaft 8, the main shaft 8 is a hollow shaft, and is sprayed out through an inner hole of the main shaft 4 and a round hole in the center of a grinding disc 1, when the grinding disc 1 is driven to rotate by the rotation of the main shaft 1, the cooling liquid splashes outwards under the action of centrifugal force, not only can play a role in cooling, but.

The automatic reading machine provided by the invention has the advantages of simple structure and low cost.

In order to recycle the cooling liquid, the cooling device further comprises a water return pipe 8, one end of the water return pipe 8 is connected with the cooling tank 11, the other end of the water return pipe is connected with an outlet pipe at the bottom of the water tray, and the return liquid flows back to the cooling tank 11 from the outlet pipe at the bottom of the water tray and the water return pipe 8.

The cooling liquid adopted by the invention is water or oil.

The automatic grinding machine has high processing precision, the main shaft 4 is required to rotate stably, no impact is generated, the rigidity is good, the axial and radial runout is small, meanwhile, the main shaft 4 is required to have a speed change function, an alternating current motor frequency converter is adopted, the influence of low machining precision of a transmission chain part on the stable operation of the main shaft 4 is reduced in a transmission link of the main shaft 4, the alternating current motor frequency converter has the advantages of wide speed regulation range, stepless speed change, stable rotation, high efficiency and the like, and the speed can be regulated during operation.

The invention adopts a three-phase asynchronous motor which has simple structure, easy maintenance, low cost and better stability and dynamic characteristics.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an automatic change and grind machine, includes main shaft (4), and main shaft (4) one end is passed packing ring (3), disc (2) and is connected with mill (1), and drive arrangement, its characterized in that are connected to the other end: the main shaft (4) is a hollow shaft and further comprises a cooling box (11), cooling liquid is arranged in the cooling box (11), the cooling box (11) is connected with a cooling liquid control button (12) in front of a machine tool through a cooling pump (10), a pipeline (9), the pipeline (9) penetrates through an upper lathe bed and a lower lathe bed and enters a water inlet pipe (7) at the lower end of the main shaft (1), a round hole is formed in the center of the grinding disc (1), and the cooling liquid is controlled in the main shaft (4) and sprayed out through the round hole.

2. The automated grinding machine of claim 1, wherein: still include wet return (8), wet return (8) one end with cooler bin (11) are connected, and the other end is connected with water tray bottom outlet pipe.

3. The automated grinding machine of claim 1 or 2, wherein: the pipeline (9) is made of low-temperature-resistant materials.

4. The automated grinding machine of claim 1 or 2, wherein: the cooling liquid is water or oil.

5. The automated grinding machine of claim 1 or 2, wherein: the frequency converter is an alternating current motor frequency converter.

6. An automated grinding machine according to claim 1 or 2, characterized in that; the driving device is a three-phase asynchronous motor, and the three-phase asynchronous motor is connected with a belt pulley (5) on the main shaft (1) through a belt.