Outer cover type spindle motor cooling equipment
By designing a housing spindle motor cooling device including a socket inner shell, spring tube, water outlet hole, water spray hole and spray head, the problem of excessive motor temperature during high load and long-term operation is solved, efficient cooling is achieved, the motor service life is extended and the maintenance cost is reduced.
Patent Information
- Application Number
- CN202510354173.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-05-13
AI Technical Summary
When the outer cover spindle motor cooling equipment is running for a long time, it may not be able to take away the heat generated by the spindle motor in time, resulting in the motor temperature being too high, affecting its performance and life.
A cooling equipment for outer cover type spindle motor is designed, including a socket inner shell, spring tube, water outlet hole, water spray hole and spray head. By tightly fitting the spindle motor, the heat dissipation area is increased, so that the cooling medium and the motor surface are fully in contact, and efficient heat exchange is achieved.
It effectively improves heat exchange efficiency, quickly takes away the heat generated during the motor operation, ensures the stable operation of the motor, extends the service life, and reduces equipment maintenance costs and downtime.
Smart Images
Figure CN119995266A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of mechanical equipment, in particular to an outer cover type spindle motor cooling device. Background Art
[0002] The external cover type spindle motor cooling device is a device used to cool the spindle motor. The external cover type spindle motor cooling device is widely used in various CNC machine tools, such as engraving machines, grinders, CNC machining centers, etc., as well as other equipment that requires the use of spindle motors. Different equipment should select appropriate cooling equipment according to its working requirements and environment to ensure the normal operation of the spindle motor, improve the processing accuracy and stability of the equipment, and extend the service life of the spindle motor.
[0003] When using an external cover type spindle motor cooling device, if the power of the cooling device is not properly selected, or the flow rate and velocity of the cooling medium are not enough, the heat generated by the spindle motor may not be removed in time, causing the motor temperature to be too high, affecting its performance and life. For example, under high load and long-term operation, the cooling device may not be able to meet the heat dissipation requirements, causing the motor to overheat. Summary of the invention
[0004] The purpose of the present invention is to provide an outer cover type spindle motor cooling device to solve the problem raised in the above background technology that when using the outer cover type spindle motor cooling device, if the power selection of the cooling device is improper, or the flow rate and flow velocity of the cooling medium are insufficient, the heat generated by the spindle motor may not be taken away in time, resulting in excessive temperature of the motor, affecting its performance and life. For example, the problem under high load and long-term operation. To achieve the above purpose, the present invention provides the following technical solutions: an outer cover type spindle motor cooling device, including a spindle motor body, the side surface of the spindle motor body is provided with a cooling component, the cooling component includes a sleeve inner shell, the sleeve inner shell is movably connected to the side surface of the spindle motor body, the side surface of the sleeve inner shell is provided with a vertical groove, the side surface of the sleeve inner shell is fixedly connected with a spring tube through a sleeve, the inside of the spring tube is provided with a plurality of water outlet holes, the side surface of the sleeve inner shell is provided with a plurality of water spray holes, each of the water spray holes is fixedly connected with a water storage sheet, each of the water storage sheets ... A number of spray heads are fixedly connected to the inside of the sheet, a water inlet is opened at one end of the spring tube, a water pump is fixedly connected to the water inlet at one end of the spring tube, a water inlet pipe is fixedly connected to the top of the water pump, and the outer cover cooling equipment can fit the spindle motor tightly, increase the heat dissipation area, make the cooling medium fully contact with the motor surface, effectively improve the heat exchange efficiency, quickly take away the heat generated by the motor during operation, and ensure the stable operation of the motor. According to the heating characteristics of the spindle motor, the cooling device can be concentrated on the parts of the motor that generate large amounts of heat, such as the stator winding and the bearings, to achieve precise cooling and improve the cooling effect.
[0005] Further preferably, the water outlet holes are distributed in a curved array along the path of the spring tube inside the spring tube, the water spray holes are distributed in a linear array on the side surface of the sleeve inner shell, and the spray heads are distributed in a circular array inside the water storage plate. Through timely cooling, the temperature of the spindle motor can be controlled within a reasonable range, avoiding problems such as motor insulation aging and winding burning due to overheating, extending the service life of the motor, and reducing equipment maintenance costs and downtime. The external cover cooling equipment usually has a simple structure and is easy to be installed on the outside of the spindle motor. It does not require large-scale modification of the internal structure of the motor. The installation process is relatively simple, saving installation time and cost.
[0006] Further preferably, a connecting piece is fixedly connected to the top of the spindle motor body, and a connecting tail piece is fixedly connected to the bottom of the spindle motor body.
[0007] Further preferably, the top of the main body of the spindle motor is located inside the connecting plate and is fixedly connected to a transmission shaft, and the top of the transmission shaft is fixedly connected to a connecting piece.
[0008] Further preferably, a protective shell is fixedly connected to the outside of the spring tube, and sealing rings are fixedly connected to both ends of the protective shell.
[0009] Further preferably, the two sealing rings are symmetrically distributed at both ends of the protective shell, a through groove is opened inside one of the sealing rings, and the water inlet pipe is located inside the through groove.
[0010] Further preferably, two fixing rings are fixedly connected to the side surface of the protective shell, and the two fixing rings are symmetrically distributed on the side surface of the protective shell.
[0011] Further preferably, a plurality of connecting rods are fixedly connected to one side opposite to the two fixing rings, and the connecting rods are distributed in a ring array on one side opposite to the two fixing rings.
[0012] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, the outer cover type cooling device can fit tightly against the spindle motor, increase the heat dissipation area, make the cooling medium fully contact with the motor surface, effectively improve the heat exchange efficiency, quickly take away the heat generated when the motor is running, and ensure the stable operation of the motor. According to the heating characteristics of the spindle motor, the cooling device can be concentrated on the parts of the motor that generate large amounts of heat, such as the stator windings and bearings, to achieve precise cooling and improve the cooling effect.
[0013] In the present invention, the temperature of the spindle motor can be controlled within a reasonable range through timely cooling, thereby avoiding problems such as motor insulation aging and winding burning due to overheating, extending the service life of the motor, and reducing equipment maintenance costs and downtime. The external cover cooling equipment usually has a simple structure and is easy to install on the outside of the spindle motor. It does not require large-scale modifications to the internal structure of the motor. The installation process is relatively simple, which can save installation time and cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional main structure of the present invention; Figure 2 Schematic diagram of the explosion three-dimensional structure of the present invention Figure 1 ; Figure 3 Schematic diagram of the explosion three-dimensional structure of the present invention Figure 2 ; Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle; Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of the present invention; Figure 6 It is a schematic diagram of the cross-sectional structure of the present invention.
[0015] In the figure: 1. spindle motor body; 2. connecting plate; 3. transmission shaft; 4. connecting piece; 5. connecting tail piece; 6. cooling assembly; 7. protective shell; 8. sealing ring; 9. through groove; 10. fixing ring; 11. connecting rod; 601. sleeve inner shell; 602. vertical groove; 603. spring tube; 604. water outlet; 605. water spray hole; 606. water storage piece; 607. spray head; 608. water inlet; 609. connect water pump; 610. water inlet pipe. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.
[0017] See also Figure 1-Figure 6The present invention provides a technical solution: an outer cover type spindle motor cooling device, comprising a spindle motor body 1, a side surface of the spindle motor body 1 is provided with a cooling assembly 6, the cooling assembly 6 comprises a sleeve inner shell 601, the sleeve inner shell 601 is movably connected to the side surface of the spindle motor body 1, the side surface of the sleeve inner shell 601 is provided with a vertical groove 602, the side surface of the sleeve inner shell 601 is sleeved and fixedly connected with a spring tube 603, the spring tube 603 is provided with a plurality of water outlet holes 604, and the water outlet holes 604 are provided in the spring tube 60 3 is arranged in a curved array along the path of the spring tube 603, a plurality of water spray holes 605 are provided on the side surface of the sleeve inner shell 601, and the water spray holes 605 are arranged in a linear array on the side surface of the sleeve inner shell 601, and a water storage piece 606 is fixedly connected to the inside of each water spray hole 605, and a plurality of spray heads 607 are fixedly connected to the inside of each water storage piece 606, and the spray heads 607 are arranged in a circular array inside the water storage piece 606, and a water inlet 608 is provided at one end of the spring tube 603. The water inlet 608 at the end is fixedly connected to a water pump 609, and the top of the water pump 609 is fixedly connected to a water inlet pipe 610. During the cooling process, cold water is poured in through the water inlet pipe 610, and the water pump 609 is connected to extract water, so that the cold water enters the spring tube 603, and the water in the spring tube 603 is gradually discharged from the water outlet 604. At the same time, the water from the water outlet 604 enters the water storage sheet 606, and the cold water is sprayed on the spindle motor body 1 through the spray head 607 inside the water storage sheet 606. The side surface, while lowering the temperature of the surface of the spindle motor body 1, the cold water after cooling is discharged from the vertical groove 602, through timely cooling, the temperature of the spindle motor can be controlled within a reasonable range, avoiding problems such as motor insulation aging and winding burning due to overheating, extending the service life of the motor, and reducing equipment maintenance costs and downtime. The external cover cooling equipment usually has a simple structure and is easy to be installed on the outside of the spindle motor. It does not require large-scale modifications to the internal structure of the motor. The installation process is relatively simple, which can save installation time and cost.
[0018] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the top of the spindle motor body 1 is fixedly connected with a connecting plate 2, the top of the spindle motor body 1 is located inside the connecting plate 2 and is fixedly connected with a transmission shaft 3, the top of the transmission shaft 3 is fixedly connected with a connecting piece 4, the bottom of the spindle motor body 1 is fixedly connected with a connecting tail piece 5, the outside of the spring tube 603 is fixedly connected with a protective shell 7, and both ends of the protective shell 7 are respectively fixedly connected with sealing rings 8, and the two sealing rings 8 are symmetrically distributed at both ends of the protective shell 7.
[0019] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, a through groove 9 is provided inside one of the sealing rings 8, and a water inlet pipe 610 is located inside the through groove 9. Two fixing rings 10 are fixedly connected to the side surface of the protective shell 7, and the two fixing rings 10 are symmetrically distributed on the side surface of the protective shell 7. A plurality of connecting rods 11 are fixedly connected to the opposite sides of the two fixing rings 10, and the connecting rods 11 are distributed in a ring array on the opposite sides of the two fixing rings 10. The spindle motor body 1 to be used is placed in a suitable position, and is connected to the object to be rotated through the connecting piece 4, and the spindle motor body 1 is started at the same time. , so that the spindle motor body 1 starts to work. At the same time, during the working process, the spindle motor body 1 will gradually heat up. After heating up, the cooling component 6 is used to reduce the heat generated by the spindle motor body 1. The outer cover cooling device can fit the spindle motor tightly, increase the heat dissipation area, and make the cooling medium fully contact with the motor surface, effectively improve the heat exchange efficiency, quickly take away the heat generated when the motor is running, and ensure the stable operation of the motor. According to the heating characteristics of the spindle motor, the cooling device can be concentrated in the parts of the motor that generate a lot of heat, such as the stator winding and the bearings, to achieve precise cooling and improve the cooling effect.
[0020] The use method and advantages of the present invention: When the outer cover type spindle motor cooling device is used, the working process is as follows: like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, when using the outer cover type spindle motor cooling device, first place the spindle motor body 1 to be used in a suitable position, and connect it to the object to be rotated through the connecting piece 4, and start the spindle motor body 1 at the same time, so that the spindle motor body 1 starts to work. At the same time, during the working process, the spindle motor body 1 will gradually heat up. After heating up, the heat generated by the spindle motor body 1 is reduced by the cooling component 6. The outer cover type cooling device can fit the spindle motor tightly, increase the heat dissipation area, and make the cooling medium fully contact with the motor surface, effectively improve the heat exchange efficiency, quickly take away the heat generated by the motor during operation, and ensure the stable operation of the motor. According to the heating characteristics of the spindle motor, the cooling device can be concentrated on the parts of the motor that generate a lot of heat, such as the stator winding and the bearing, to achieve precise cooling and improve the cooling effect. In the cooling process, Cold water is poured in through the water inlet pipe 610, and the water pump 609 is connected for extraction, so that the cold water enters the spring tube 603, and the water in the spring tube 603 is gradually discharged from the water outlet 604. At the same time, the water discharged from the water outlet 604 enters the water storage plate 606, and the cold water is sprayed on the side surface of the spindle motor body 1 through the spray head 607 inside the water storage plate 606, and the temperature of the surface of the spindle motor body 1 is reduced. The cold water after cooling is completed is discharged from the vertical groove 602. Through timely cooling, the temperature of the spindle motor can be controlled within a reasonable range, avoiding problems such as motor insulation aging and winding burning due to overheating, extending the service life of the motor, and reducing equipment maintenance costs and downtime. The external cover cooling equipment usually has a simple structure and is easy to be installed on the outside of the spindle motor. There is no need for large-scale modification of the internal structure of the motor. The installation process is relatively simple, which can save installation time and cost.
[0021] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. An outer cover type spindle motor cooling device, comprising a spindle motor body (1), characterized in that: The side surface of the spindle motor body (1) is provided with a cooling assembly (6), the cooling assembly (6) comprising a sleeve inner shell (601), the sleeve inner shell (601) being movably connected to the side surface of the spindle motor body (1), the side surface of the sleeve inner shell (601) being provided with a vertical groove (602), the side surface of the sleeve inner shell (601) being sleeve-fixedly connected with a spring tube (603), the inside of the spring tube (603) being provided with a plurality of water outlet holes (604), the sleeve inner shell (601) ) is provided with a plurality of water spray holes (605) on its side surface, each of the water spray holes (605) is fixedly connected to a water storage sheet (606) inside, each of the water storage sheets (606) is fixedly connected to a plurality of spray heads (607) inside, a water inlet (608) is provided at one end of the spring tube (603), the water inlet (608) at one end of the spring tube (603) is fixedly connected to a connecting water pump (609), and the top of the connecting water pump (609) is fixedly connected to a water inlet pipe (610).
2. The outer cover type spindle motor cooling device according to claim 1, characterized in that: The water outlet holes (604) are distributed in a curved array along the path of the spring tube (603) inside the spring tube (603), the water spray holes (605) are distributed in a linear array on the side surface of the sleeve inner shell (601), and the spray heads (607) are distributed in a circular array inside the water storage sheet (606).
3. The outer cover type spindle motor cooling device according to claim 2, characterized in that: A connecting piece (2) is fixedly connected to the top of the main spindle motor body (1), and a connecting tail piece (5) is fixedly connected to the bottom of the main spindle motor body (1).
4. The outer cover type spindle motor cooling device according to claim 3 is characterized in that: The top of the main spindle motor body (1) is located inside the connecting piece (2) and is fixedly connected to a transmission shaft (3), and the top of the transmission shaft (3) is fixedly connected to a connecting piece (4).
5. The outer cover type spindle motor cooling device according to claim 4, characterized in that: The outside of the spring tube (603) is fixedly connected to a protective shell (7), and both ends of the protective shell (7) are respectively fixedly connected to sealing rings (8).
6. The outer cover type spindle motor cooling device according to claim 5, characterized in that: The two sealing rings (8) are symmetrically distributed at the two ends of the protective housing (7), a through groove (9) is provided inside one of the sealing rings (8), and the water inlet pipe (610) is located inside the through groove (9).
7. The outer cover type spindle motor cooling device according to claim 5, characterized in that: Two fixing rings (10) are fixedly connected to the side surface of the protective shell (7), and the two fixing rings (10) are symmetrically distributed on the side surface of the protective shell (7).
8. The outer cover type spindle motor cooling device according to claim 5, characterized in that: A plurality of connecting rods (11) are fixedly connected to one side opposite to the two fixing rings (10), and the connecting rods (11) are distributed in a ring array on one side opposite to the two fixing rings (10).