CN213794262U - Carving mills quick-witted main shaft structure - Google Patents

Carving mills quick-witted main shaft structure Download PDF

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Publication number
CN213794262U
CN213794262U CN202022619256.4U CN202022619256U CN213794262U CN 213794262 U CN213794262 U CN 213794262U CN 202022619256 U CN202022619256 U CN 202022619256U CN 213794262 U CN213794262 U CN 213794262U
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CN
China
Prior art keywords
main shaft
inlet
cover
shaft cover
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202022619256.4U
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Chinese (zh)
Inventor
许宇权
欧兆枝
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Jiangmen Pengjiang Shitong Precision Machinery Co ltd
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Jiangmen Pengjiang Shitong Precision Machinery Co ltd
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Application filed by Jiangmen Pengjiang Shitong Precision Machinery Co ltd filed Critical Jiangmen Pengjiang Shitong Precision Machinery Co ltd
Priority to CN202022619256.4U priority Critical patent/CN213794262U/en
Application granted granted Critical
Publication of CN213794262U publication Critical patent/CN213794262U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a main shaft structure of a carving and milling machine, which comprises a main shaft, a front shaft cover and a rear shaft cover, wherein the front shaft cover and the rear shaft cover are provided with two ends of the main shaft; the front shaft cover is provided with an air curtain protection inlet, a main shaft cooling inlet, an annular water spraying inlet, a main shaft cooling outlet and a temperature detection port which are connected and communicated with the main shaft; the rear shaft cover is provided with a cutter clamping air hole inlet and a cutter retracting oil hole inlet which are communicated with the main shaft, one end of the main shaft provided with the rear shaft cover protrudes out of the rear shaft cover, one end of the main shaft protruding out of the rear shaft cover is provided with a conical hole air blowing inlet, and the conical hole air blowing inlet is connected with a conical hole air blowing joint; the front shaft cover is also provided with a front cover drain hole during horizontal use; one end of the main shaft, which is positioned in the front shaft cover, is provided with a front bearing, and the middle part of the main shaft is provided with a rear bearing; the middle part of the main shaft is provided with a cooling oil rear section circulating oil inlet and a cooling oil outlet corresponding to the position of the bearing.

Description

Carving mills quick-witted main shaft structure
Technical Field
The utility model relates to a technical field of main shaft especially relates to a carving mills quick-witted main shaft structure.
Background
With the continuous development of the mechanical industry, the main shaft of the engraving and milling machine, which is widely accepted by users, is widely applied to various industries by virtue of the outstanding advantages of ultrahigh cost performance, obviously improved working efficiency and super-precision of machined parts, such as precision mold manufacturing, aluminum part processing, sanitary ware processing, shoe mold processing, glasses and clock part processing and the like. Although the engraving and milling machine spindle is widely applied to industries, the following main problems of the engraving and milling machine spindle with the existing structure exist in general: (1) compressed air is always blown in during half an hour of the operation or the shutdown of the main shaft to keep the main shaft dry and the like, but once the compressed air is not tightly sealed, the precision and the service life of the main shaft are seriously influenced, and corresponding air curtain protection is not provided. (2) When the cutter is changed, no design which can assist in unloading the cutter is available, so that the cutter is inconvenient and difficult to change. (3) The main shaft adopts a single cooling mode such as water cooling or oil cooling, and the cooling effect cannot be improved to the maximum extent. (4) When the temperature of the main shaft is too high due to the blockage of a cooling pipeline or the overlong operation time of the main shaft, no detection device is used for detecting the temperature of the main shaft; in the traditional spindle temperature measurement mode, a point thermometer is adopted, or the spindle temperature can be roughly judged by touching the point thermometer by hand for about a few seconds, so that the spindle temperature is easily judged inaccurately. (5) Glass powder and other processing material powder which are easily formed due to processing block the water spraying holes of the traditional structure, so that insufficient cooling is caused, and the yield of products is seriously influenced; once the plug is blocked, the cleaning work is quite difficult, the customer is not easy to clean, and the equipment supplier needs to repair or replace the plug on site, so that the maintenance and equipment manufacturing cost of a manufacturer is greatly increased.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and providing a main shaft structure of the engraving and milling machine, which adopts a high-precision main shaft and a standard rotating speed and is provided with a main shaft air curtain protection device, thereby ensuring the stable precision and the long service life of the main shaft; the main shaft has a double cooling mode of water cooling and oil cooling, so that the cooling effect of the main shaft is greatly improved, and meanwhile, the oil cooling mode can also ensure the normal operation and the purpose of cooling the main shaft when the water cooling function fails or is weakened; the spindle temperature monitoring device is also provided with temperature detection, the spindle temperature is accurately monitored in real time, the spindle can be shut down to cool or a cooling system can be checked in time when the overhigh spindle temperature is found, and the service life of the spindle is protected. The spindle machining efficiency and precision can be improved on the whole structure, the service life is prolonged, the normal operation of the spindle is protected, the installation is convenient and fast, the maintenance is simpler and more convenient, and the after-sale maintenance cost is greatly reduced.
The utility model provides a technical scheme that its technical problem adopted is: a main shaft structure of a carving and milling machine comprises a main shaft, a front shaft cover and a rear shaft cover, wherein the front shaft cover and the rear shaft cover are arranged at two ends of the main shaft; the front shaft cover is provided with an air curtain protection inlet, a main shaft cooling inlet, an annular water spraying inlet, a main shaft cooling outlet and a temperature detection port which are connected and communicated with the main shaft; the rear shaft cover is provided with a cutter clamping air hole inlet and a cutter retracting oil hole inlet which are communicated with the main shaft, one end of the main shaft provided with the rear shaft cover protrudes out of the rear shaft cover, one end of the main shaft protruding out of the rear shaft cover is provided with a conical hole air blowing inlet, and the conical hole air blowing inlet is connected with a conical hole air blowing joint; the front shaft cover is also provided with a front cover drain hole during horizontal use; one end of the main shaft, which is positioned in the front shaft cover, is provided with a front bearing, and the middle part of the main shaft is provided with a rear bearing; the middle part of the main shaft is provided with a cooling oil rear section circulating oil inlet and a cooling oil outlet corresponding to the position of the bearing.
This carving mills air curtain protection entry of quick-witted main shaft structure: compressed air is always blown during the operation and the halt of the main shaft for half an hour, and the air curtain protection has the function of ensuring the air tightness of the compressed air so as to prevent cutting fluid from entering the main shaft and protect a main shaft bearing; meanwhile, the compressed air can blow away water mist at the position of the rotor and the stator so as to keep the inside of the main shaft dry. Annular water spray inlet: can form a plurality of delivery ports that possess the center and go out water, the diameter is big, and is two times more than traditional sprinkler delivery port, and the glass powder in the cutting fluid smoothly passes through the nozzle, and is unblock, can clear up the inside water outlet point of product in grades, and every water jet installation is independent, makes things convenient for the dismouting. Conical hole blowing inlet: when the tool is changed, air is blown into the conical hole in the main shaft from the air blowing inlet to help the tool to be detached, and scrap iron, cutting fluid and the like on the tool shank can be prevented from entering the conical hole of the main shaft. Spindle cooling inlet and spindle cooling outlet: the main shaft cooling inlet and the main shaft cooling outlet are communicated with a cooling pipeline in the main shaft, and a water cooling mode is adopted, so that main shaft cooling liquid continuously flows in the cooling pipeline in a circulating mode, and the main shaft cooling inlet and the main shaft cooling outlet play roles in preventing the main shaft from being overheated and cooling the inside and the outside of the main shaft. Temperature detection port: because the internal structure of the main shaft of the numerical control engraving machine consists of the iron core and the winding coil, the main shaft can generate certain heat under the power-on state, and even can scald hands if the working time is long; the serious heating can influence the dynamic response of the main shaft, and the high speed can easily lose step; therefore, the heating of the main shaft should be necessarily detected and controlled, and the temperature of the main shaft is monitored in real time by adopting a temperature detection port, so that the service life of the main shaft is guaranteed; when the temperature of the main shaft is detected to be too high, the machine is stopped and is rested for a period of time to continue working, so that the heat of the main shaft is ensured to be timely reduced, meanwhile, the path of a cooling system, cooling liquid and the like can be detected, whether the temperature of the main shaft is too high due to blockage, deterioration of the cooling liquid and the like is detected, and the early warning effect is improved. An entrance of the tool retracting oil hole: the normal operation of the retracting knife is ensured. A cooling oil rear section circulating oil inlet and a cooling oil outlet: and meanwhile, the main shaft is cooled by adopting cooling oil, so that the effect of dual cooling is achieved, and the main shaft still has a cooling function when the water cooling is failed due to the blockage of a cooling water channel or the damage of a water pump and the like.
Furthermore, the main shaft is also provided with a hollow cylinder oil pressure inlet and an oil discharge hole. The engraving and milling machine adopts oil pressure to control the rotation of a main shaft, and enhances the cutting capacity by means of speed inertia; the oil pressure control driving is carried out through the hollow cylinder oil pressure inlet, the oil discharge hole discharges oil to control oil pressure, and the rotating speed of the control main shaft can be adjusted.
Furthermore, the end part of the front shaft cover is provided with a water lantern ring, and the surfaces of the front shaft cover and the water lantern ring are both provided with chromium plating.
Further, the length of the middle section of the main shaft between the front shaft cover and the rear shaft cover is 190-195 mm.
In summary, the main shaft structure of the engraving and milling machine of the utility model adopts the high precision main shaft and the standard rotating speed, and is provided with the main shaft air curtain protection device, thereby ensuring the stable precision of the main shaft and the long service life; the main shaft has a double cooling mode of water cooling and oil cooling, so that the cooling effect of the main shaft is greatly improved, and meanwhile, the oil cooling mode can also ensure the normal operation and the purpose of cooling the main shaft when the water cooling function fails or is weakened; the spindle temperature monitoring device is also provided with temperature detection, the spindle temperature is accurately monitored in real time, the spindle can be shut down to cool or a cooling system can be checked in time when the overhigh spindle temperature is found, and the service life of the spindle is protected. The spindle machining efficiency and precision can be improved on the whole structure, the service life is prolonged, the normal operation of the spindle is protected, the installation is convenient and fast, the maintenance is simpler and more convenient, and the after-sale maintenance cost is greatly reduced.
Drawings
Fig. 1 is a schematic view of a main shaft structure of an engraving and milling machine according to embodiment 1 of the present invention;
fig. 2 is a left side view schematically illustrating a main shaft structure of an engraving and milling machine according to embodiment 1 of the present invention;
fig. 3 is a schematic right-view of the main shaft structure of the engraving and milling machine according to embodiment 1 of the present invention;
FIG. 4 is a schematic view of a front axle cover;
fig. 5 is an enlarged schematic view at a in fig. 1.
Detailed Description
Example 1
As shown in fig. 1, 2, 3, 4 and 5, the main shaft structure of the engraving and milling machine described in this embodiment 1 includes a main shaft 1, a front shaft cover 2 and a rear shaft cover 3, which are provided with two ends of the main shaft; the front shaft cover is provided with an air curtain protection inlet 4, a main shaft cooling inlet 5, an annular water spraying inlet 6, a main shaft cooling outlet 7 and a temperature detection port 8 which are communicated with the main shaft; the rear shaft cover is provided with a cutter clamping air hole inlet 9 and a cutter retracting oil hole inlet 10 which are communicated with the main shaft, one end of the main shaft provided with the rear shaft cover protrudes out of the rear shaft cover, one end of the main shaft protruding out of the rear shaft cover is provided with a conical hole air blowing inlet 11, and the conical hole air blowing inlet is connected with a conical hole air blowing joint 12; the front shaft cover is also provided with a front cover drain hole 13 during horizontal use, and if the main shaft is used vertically, the front cover drain hole needs to be plugged and is in a non-leakage drain state; one end of the main shaft, which is positioned in the front shaft cover, is provided with a front bearing 14, and the middle part of the main shaft is provided with a rear bearing 15; a cooling oil rear section circulating oil inlet 16 is arranged in the middle of the main shaft, and a cooling oil outlet 17 is arranged at the position corresponding to the bearing.
This carving mills air curtain protection entry of quick-witted main shaft structure: compressed air is always blown during the operation and the halt of the main shaft for half an hour, and the air curtain protection has the function of ensuring the air tightness of the compressed air so as to prevent cutting fluid from entering the main shaft and protect a main shaft bearing; meanwhile, the compressed air can blow away water mist at the position of the rotor and the stator so as to keep the inside of the main shaft dry. Annular water spray inlet: can form a plurality of delivery ports that possess the center and go out water, the diameter is big, and is two times more than traditional sprinkler delivery port, and the glass powder in the cutting fluid smoothly passes through the nozzle, and is unblock, can clear up the inside water outlet point of product in grades, and every water jet installation is independent, makes things convenient for the dismouting. Conical hole blowing inlet: when the tool is changed, air is blown into the conical hole in the main shaft from the air blowing inlet to help the tool to be detached, and scrap iron, cutting fluid and the like on the tool shank can be prevented from entering the conical hole of the main shaft. Spindle cooling inlet and spindle cooling outlet: the main shaft cooling inlet and the main shaft cooling outlet are communicated with a cooling pipeline in the main shaft, and a water cooling mode is adopted, so that main shaft cooling liquid continuously flows in the cooling pipeline in a circulating mode, and the main shaft cooling inlet and the main shaft cooling outlet play roles in preventing the main shaft from being overheated and cooling the inside and the outside of the main shaft. Temperature detection port: because the internal structure of the main shaft of the numerical control engraving machine consists of the iron core and the winding coil, the main shaft can generate certain heat under the power-on state, and even can scald hands if the working time is long; the serious heating can influence the dynamic response of the main shaft, and the high speed can easily lose step; therefore, the heating of the main shaft should be necessarily detected and controlled, and the temperature of the main shaft is monitored in real time by adopting a temperature detection port, so that the service life of the main shaft is guaranteed; when the temperature of the main shaft is detected to be too high, the machine is stopped and is rested for a period of time to continue working, so that the heat of the main shaft is ensured to be timely reduced, meanwhile, the path of a cooling system, cooling liquid and the like can be detected, whether the temperature of the main shaft is too high due to blockage, deterioration of the cooling liquid and the like is detected, and the early warning effect is improved. An entrance of the tool retracting oil hole: the normal operation of the retracting knife is ensured. A cooling oil rear section circulating oil inlet and a cooling oil outlet: and meanwhile, the main shaft is cooled by adopting cooling oil, so that the effect of dual cooling is achieved, and the main shaft still has a cooling function when the water cooling is failed due to the blockage of a cooling water channel or the damage of a water pump and the like.
In this embodiment, the main shaft is further provided with a hollow cylinder oil pressure inlet 18 and an oil drain hole 19. The engraving and milling machine adopts oil pressure to control the rotation of a main shaft, and enhances the cutting capacity by means of speed inertia; the oil pressure control driving is carried out through the hollow cylinder oil pressure inlet, the oil discharge hole discharges oil to control oil pressure, and the rotating speed of the control main shaft can be adjusted.
In this embodiment, the end of the front axle cover is provided with a water lantern ring 20, and the surfaces of the front axle cover and the water lantern ring are both provided with chrome plating.
In the embodiment, the length of the middle section of the main shaft between the front shaft cover and the rear shaft cover is 190-195 mm.
The main shaft structure of the engraving and milling machine adopts a high-precision main shaft and a standard rotating speed, and is provided with a main shaft air curtain protection device, so that the main shaft is ensured to have stable precision and long service life; the main shaft has a double cooling mode of water cooling and oil cooling, so that the cooling effect of the main shaft is greatly improved, and meanwhile, the oil cooling mode can also ensure the normal operation and the purpose of cooling the main shaft when the water cooling function fails or is weakened; the spindle temperature monitoring device is also provided with temperature detection, the spindle temperature is accurately monitored in real time, the spindle can be shut down to cool or a cooling system can be checked in time when the overhigh spindle temperature is found, and the service life of the spindle is protected. The spindle machining efficiency and precision can be improved on the whole structure, the service life is prolonged, the normal operation of the spindle is protected, the installation is convenient and fast, the maintenance is simpler and more convenient, and the after-sale maintenance cost is greatly reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all still fall within the scope of the technical solution of the present invention.

Claims (4)

1. A main shaft structure of a carving and milling machine is characterized by comprising a main shaft, a front shaft cover and a rear shaft cover, wherein the front shaft cover and the rear shaft cover are provided with two ends of the main shaft; the front shaft cover is provided with an air curtain protection inlet, a main shaft cooling inlet, an annular water spraying inlet, a main shaft cooling outlet and a temperature detection port which are connected and communicated with the main shaft; the rear shaft cover is provided with a cutter clamping air hole inlet and a cutter retracting oil hole inlet which are communicated with the main shaft, one end of the main shaft provided with the rear shaft cover protrudes out of the rear shaft cover, one end of the main shaft protruding out of the rear shaft cover is provided with a conical hole air blowing inlet, and the conical hole air blowing inlet is connected with a conical hole air blowing joint; the front shaft cover is also provided with a front cover drain hole during horizontal use; one end of the main shaft, which is positioned in the front shaft cover, is provided with a front bearing, and the middle part of the main shaft is provided with a rear bearing; the middle part of the main shaft is provided with a cooling oil rear section circulating oil inlet and a cooling oil outlet corresponding to the position of the bearing.
2. The engraving and milling machine spindle structure according to claim 1, wherein the spindle is further provided with a hollow cylinder oil pressure inlet and an oil drain hole.
3. The engraving and milling machine spindle structure according to claim 2, wherein the end of the front shaft cover is provided with a water lantern ring, and the surfaces of the front shaft cover and the water lantern ring are both provided with chrome plating.
4. The engraving and milling machine spindle structure as claimed in claim 3, wherein the length of the middle section of the spindle between the front shaft cover and the rear shaft cover is 190-195 mm.
CN202022619256.4U 2020-11-12 2020-11-12 Carving mills quick-witted main shaft structure Expired - Fee Related CN213794262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022619256.4U CN213794262U (en) 2020-11-12 2020-11-12 Carving mills quick-witted main shaft structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022619256.4U CN213794262U (en) 2020-11-12 2020-11-12 Carving mills quick-witted main shaft structure

Publications (1)

Publication Number Publication Date
CN213794262U true CN213794262U (en) 2021-07-27

Family

ID=76932768

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022619256.4U Expired - Fee Related CN213794262U (en) 2020-11-12 2020-11-12 Carving mills quick-witted main shaft structure

Country Status (1)

Country Link
CN (1) CN213794262U (en)

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Granted publication date: 20210727