A centrifugal oil extractor for nut-type parts and its working method
By using a centrifugal oil separator with nut-type parts, featuring a parallel arrangement of the drive motor and the oil extraction tank, and a double-opening design at the top and bottom, the problems of large equipment size and complex structure have been solved. This enables online oil extraction and stable operation, making it suitable for compact production lines.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- PENNENGINEERING AUTOMOTIVE FASTENERS (KUNSHAN) CO LTD
- Filing Date
- 2026-02-13
- Publication Date
- 2026-05-26
Smart Images

Figure CN122076767A_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the technical field of mechanical equipment, and in particular relates to a centrifugal degreasing machine for nut-type parts and its working method. Background Technology
[0002] The description in this section provides only background information related to the disclosure of this invention and does not constitute prior art.
[0003] After tapping nut parts, a large amount of cutting oil remains on the surface, requiring degreasing. Traditional degreasing methods include manual wiping, chemical cleaning, and centrifugal degreasing. Centrifugal degreasing is widely used due to its high efficiency. However, existing centrifugal degreasing machines for nut parts typically have the following drawbacks: 1. The drive motor and degreasing tank are coaxially designed, resulting in a large overall size, exceeding 1 meter in height, with the hopper also exceeding 1 meter in height. This makes it difficult to integrate into a compact production line, such as for online degreasing next to the tapping machine; 2. The single-opening degreasing tank requires a tilting mechanism to flip it over to unload the material, resulting in a complex structure and low reliability.
[0004] Existing technologies require tilting and unloading, and the weight of the motor and the degreasing drum necessitates the provision of tilting space. This results in large equipment sizes, making it impossible to install next to a compact tapping machine for online use. It is only suitable for centralized, batch degreasing of parts, which adds more steps compared to online degreasing, leading to a waste of labor and space.
[0005] It should be noted that the above description of the technical background is only for the purpose of providing a clear and complete explanation of the technical solutions of the present invention and facilitating understanding by those skilled in the art. It should not be assumed that the above technical solutions are known to those skilled in the art simply because they have been described in the background section of this invention. Summary of the Invention
[0006] The purpose of this application is to provide a centrifugal degreasing machine for nut-type parts and its working method, so as to solve the problems of large size and complex structure of existing degreasing machines, and realize online degreasing of nut-type parts after tapping.
[0007] This application provides a centrifugal degreasing machine for nut-type parts, comprising: A housing, wherein a feeding system and an oil removal system are provided inside the housing; The feeding system includes a hopper and a discharge mechanism. The discharge port of the hopper is provided with a discharge gate. The discharge mechanism is connected to the discharge gate to control the opening and closing of the discharge port. The deoiling system includes a deoiling tank, a drive motor, and a transmission mechanism. The drive motor and the deoiling tank are arranged parallel to each other below the feeding system. The deoiling tank is located below the collecting hopper. The drive motor drives the deoiling tank to rotate through the transmission mechanism. The interior of the deoiling tank is provided with a centrifugal disc for catching the parts to be deoiled that fall into the deoiling tank.
[0008] Furthermore, in the aforementioned centrifugal degreasing machine for nut-type parts, the housing is provided with a first layer plate, a second layer plate, and a bottom plate from top to bottom, and a vertical partition is provided between the second layer plate and the bottom plate. The first layer plate is provided with a guide rail that can be slidably connected to the discharge gate. The discharge mechanism is installed on the first layer plate. The transmission mechanism is located between the first layer plate and the second layer plate. The drive motor and the degreasing barrel are placed in parallel between the second layer plate and the bottom plate and are separated by the partition. The drive shaft of the drive motor passes through the second layer plate and enters between the first layer plate and the top of the housing.
[0009] Furthermore, in the aforementioned centrifugal degreasing machine for nut-type parts, the discharge mechanism is a cylinder, the discharge gate is connected to the piston rod of the cylinder, and the cylinder drives the discharge gate to slide within the guide rail to control the opening and closing of the discharge port.
[0010] Furthermore, in the aforementioned centrifugal degreasing machine for nut-type parts, the top of the degreasing barrel is provided with an inlet connected to the outlet of the collecting hopper. An upper bearing is provided on the outer wall of the inlet. The inlet is connected to the second layer plate of the housing through a first bearing seat, and the upper bearing is disposed between the outer wall of the inlet and the inner wall of the first bearing seat. The bottom of the degreasing barrel is provided with an outlet, and the outlet is shaped to be wider at the top and narrower at the bottom. A lower bearing is provided on the outer wall of the outlet. The degreasing barrel is mounted on the bottom plate of the housing through a second bearing seat, and the lower bearing is disposed between the outer wall of the outlet and the inner wall of the second bearing seat.
[0011] Furthermore, in the aforementioned centrifugal degreasing machine for nut-type parts, the degreasing barrel has multiple perforations on its wall, and the size of the perforations is smaller than the size of the part.
[0012] Furthermore, in the aforementioned centrifugal degreasing machine for nut-type parts, the transmission mechanism includes a first pulley, a second pulley, and a belt. The first pulley is connected to the drive shaft of the drive motor. The second pulley is disposed on the outer wall of the inlet of the degreasing barrel and near the collection hopper. The belt is connected to the outer walls of the first and second pulleys. The drive motor drives the first pulley to rotate, and the first pulley drives the second pulley to rotate via the belt, thereby realizing the rotation of the degreasing barrel.
[0013] Furthermore, in the aforementioned centrifugal degreasing machine for nut-type parts, the centrifugal disc is disposed at the center of the degreasing barrel via a connecting member and moves with the degreasing barrel.
[0014] Furthermore, in the aforementioned centrifugal degreasing machine for nut-type parts, the outer wall of the housing is mounted above the platform via a bracket and shock-absorbing pads.
[0015] Furthermore, in the aforementioned centrifugal degreasing machine for nut-type parts, the bottom of the housing near the degreasing barrel is provided with an oil return port for collecting the degreased oil.
[0016] This application also provides a method for operating the centrifugal degreasing machine for nut-type parts described above, including the following steps: Place the parts to be degreased into the collection hopper; When the drive motor is turned on and the oil-removing barrel rotates at 400 r / min, the feeding mechanism controls the feeding gate to open, and the parts pass through the discharge port of the collecting hopper, through the inlet of the oil-removing barrel, and fall onto the centrifugal disc; The part is thrown against the wall of the oil-removing barrel by centrifugal force, increasing the rotation speed of the oil-removing barrel to 1000 r / min. The oil on the part flows out through the hollow part of the oil-removing barrel to the oil return port. The rotation time of the degreasing drum is set, and when the degreasing drum stops rotating, the part falls to the outlet of the degreasing drum.
[0017] As can be seen from the above technical solution, the present invention has the following beneficial effects: 1. The centrifugal degreasing machine for nut-type parts described in this invention adopts a parallel layout of the drive motor and the degreasing tank, and the degreasing tank has a flat design with an overall height of about 30cm. While ensuring centrifugal acceleration, it greatly reduces the height and overall size of the equipment, so that the centrifuge can be adapted to the online installation space of the tapping machine. 2. The centrifugal degreasing machine for nut-type parts described in this invention has a double-opening structure for the degreasing barrel, which does not require flipping, realizing continuous automated degreasing of parts from top to bottom, eliminating the centralized degreasing process in traditional processes; both the upper and lower ends of the degreasing barrel are equipped with bearing supports, which, compared with the single bearing support of the prior art, effectively reduces the vibration amplitude during equipment operation and improves the stability of operation. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of a centrifugal oil separator for nut-type parts provided in an embodiment of this application. Figure 1 ; Figure 2 This is a schematic diagram of a centrifugal oil separator for nut-type parts provided in an embodiment of this application. Figure 2 ; Figure 3 This is an exploded schematic diagram of a centrifugal degreasing machine for nut-type parts provided in an embodiment of this application.
[0020] In the picture: 1. Shell; 11. First layer plate; 12. Second layer plate; 13. Bottom plate; 14. Partition plate; 2. Collection hopper; 21. Discharge gate; 3. Feeding mechanism; 31. Guide rail; 4. Oil removal tank; 40. Centrifuge disc; 41. Inlet; 42. Upper bearing; 43. First bearing housing; 44. Outlet; 45. Lower bearing; 46. Second bearing housing; 47. Hollowed-out section; 5. Drive motor; 6. Transmission mechanism; 61. First pulley; 62. Second pulley; 63. Belt; 7. Bracket; 8. Shock absorber; 9. Oil return port. Detailed Implementation
[0021] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this application.
[0022] In the description of this invention, it should be noted that the terms "upper," "middle," "lower," "inner," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. The embodiments of this invention will now be described according to its overall structure.
[0023] Example Reference Figures 1 to 3 This application provides a centrifugal degreasing machine for nut-type parts, comprising: Housing 1, wherein a feeding system and an oil removal system are provided inside the housing 1; The feeding system includes a hopper 2 and a discharge mechanism 3. The discharge port of the hopper 2 is provided with a discharge gate 21. The discharge mechanism 3 is connected to the discharge gate 21 to control the opening and closing of the discharge port. The deoiling system includes a deoiling tank 4, a drive motor 5, and a transmission mechanism 6. The drive motor 5 and the deoiling tank 4 are arranged parallel to each other below the feeding system. The deoiling tank 4 is located below the collecting hopper 2. The drive motor 5 drives the deoiling tank 4 to rotate through the transmission mechanism 6. The interior of the deoiling tank 4 is provided with a centrifugal disc 40 for catching the parts to be deoiled that fall into the deoiling tank 4.
[0024] The feeding system is used to feed the parts to be deoiled into the deoiling tank 4. The deoiling system is used to centrifuge and deoil the parts. The deoiling tank 4 is connected to the drive motor 5 through the transmission mechanism 6. The drive motor 5 drives the deoiling tank 4 to rotate at high speed. The drive motor 5 and the deoiling tank 4 are arranged in parallel. The deoiling tank 4 has a flat design with an overall height of about 30cm. While ensuring centrifugal acceleration, it greatly reduces the height and overall size of the equipment, so that the centrifuge can be adapted to the online installation space of the tapping machine. In addition, the centrifugal disc 40 is set in the deoiling tank 4 through the connector to catch the parts falling into the deoiling tank 4 and drive the parts to rotate and accelerate.
[0025] Specifically, in this embodiment, the housing 1 is provided with a first layer plate 11, a second layer plate 12 and a bottom plate 13 from top to bottom, and a vertical partition 14 is provided between the second layer plate 12 and the bottom plate 13. The first layer plate 11 is provided with a guide rail 31 that can be slidably connected with the discharge gate 21. The discharge mechanism is installed on the first layer plate 11. The transmission mechanism 6 is arranged between the first layer plate 11 and the second layer plate 12. The drive motor 5 and the degreasing tank 4 are placed in parallel between the second layer plate 12 and the bottom plate 13 and are separated by the partition 14. The drive shaft of the drive motor 5 passes through the second layer plate 12 and enters between the first layer plate 11 and the top of the housing 1.
[0026] The first layer plate 11 has a feeding mechanism 3 on its upper part and a transmission mechanism 6 connected to its lower part. The first layer plate 11 has a guide rail 31 corresponding to the position of the collecting hopper 2. At the same time, the collecting hopper 2 passes through the first layer plate 11 and is connected to the inlet of the degreasing tank 4. The drive motor 5 is hung on the second layer plate 12 through a connecting plate. The drive motor 5 is installed between the second layer plate 12 and the bottom plate. The drive shaft of the drive motor 5 extends to the first layer plate 11. The upper and lower surfaces of the second layer plate 12 provide installation space for the degreasing tank 4 and the collecting hopper 2, as well as transmission space for the degreasing tank 4 and the drive motor 5. The layout of each structure in the centrifugal degreasing machine is cleverly designed. Each layer plate and space can be used multiple times. The components are interlocked and installed, which greatly reduces the height and overall size of the equipment.
[0027] Specifically, in this embodiment, the feeding mechanism 3 is a cylinder, the feeding gate 21 is connected to the piston rod of the cylinder, and a guide rail 31 is provided on the bottom plate of the first cavity 11 at the position corresponding to the material collection hopper 2. The cylinder drives the feeding gate 21 to slide in the guide rail 31 to control the opening and closing of the discharge port.
[0028] The discharge gate 21 is set at the discharge port of the hopper 2 and is connected to the piston rod of the cylinder. The cylinder drives the discharge gate 21 to slide in the guide rail 31 to control the opening and closing of the discharge port and realize the quantitative discharge of parts. The feeding system is used to send the parts to be deoiled into the deoiling machine.
[0029] Specifically, in this embodiment, the top of the degreasing tank 4 is provided with an inlet 41 connected to the outlet of the collecting hopper 2. An upper bearing 42 is provided on the outer wall of the inlet 41. The inlet 41 is connected to the bottom of the second cavity 12 of the housing 1 via a first bearing seat 43, and the upper bearing 42 is disposed between the outer wall of the inlet 41 and the inner wall of the first bearing seat 43. The bottom of the degreasing tank 4 is provided with an outlet 44, which is wider at the top and narrower at the bottom. A lower bearing 45 is provided on the outer wall of the outlet 44 for support. The degreasing tank 4 is installed at the bottom of the third cavity 13 of the housing 1 via a second bearing seat 46, and the lower bearing 45 is installed between the outer wall of the outlet 44 and the inner wall of the second bearing seat 46. The inlet 41 is fitted onto the outer wall of the collecting hopper 2, which reduces the height of the equipment and ensures that parts can directly enter the degreasing tank 4.
[0030] The degreasing tank 4 adopts a double-opening structure and does not need to be flipped, realizing continuous automated degreasing of parts from top to bottom, eliminating the centralized degreasing process in traditional processes; both the upper and lower ends of the degreasing tank 4 are equipped with bearing supports, which effectively reduces the vibration amplitude during equipment operation and improves the stability of operation compared with the single bearing support of the existing technology.
[0031] Specifically, in this embodiment, the barrel wall of the degreasing barrel 4 is provided with a plurality of hollowed-out portions 47, the size of which is smaller than the size of the part.
[0032] Specifically, in this embodiment, the transmission mechanism 6 includes a first pulley 61, a second pulley 62, and a belt 63. The first pulley 61 is connected to the drive shaft of the drive motor 5. The second pulley 62 is disposed on the outer wall of the inlet 41 of the oil-removing tank 4 and close to the side of the collecting hopper 2. The belt 63 is connected to the outer walls of the first pulley 61 and the second pulley 62. The drive motor 5 drives the first pulley 61 to rotate, and the first pulley 61 drives the second pulley 62 to rotate through the belt 63, so as to realize the rotation of the oil-removing tank 4.
[0033] Specifically, in this embodiment, the centrifugal disc 40 is disposed at the center of the oil-removing tank 4 via a connector and moves with the oil-removing tank 4. The centrifugal disc 40 is disposed inside the oil-removing tank 4 via a connector to catch parts falling into the oil-removing tank 4 and to drive the parts to rotate and accelerate.
[0034] Specifically, in this embodiment, the outer wall of the housing 1 is mounted above the platform via a bracket 7 and a shock-absorbing pad 8. The housing 1 protects the internal components, the bracket 7 supports the housing 1, and the shock-absorbing pad 8 reduces the vibration of the entire machine, thus improving operational stability.
[0035] Specifically, in this embodiment, the bottom of the housing 1 near the oil removal tank 4 is provided with an oil return port 9 for collecting the oil after oil removal. The oil return port 9 can be connected to a hose to recycle the collected oil back into the machine, thereby reducing costs.
[0036] With the above structure, the nut-like parts to be degreased enter from the collection hopper 2. The drive motor 5 is turned on, and the drive motor 5 drives the degreasing tank 4 to rotate at high speed through the belt 63 and the first pulley 61 and the second pulley 62. When the rotation speed of the degreasing tank 4 reaches 400 r / min, the cylinder drives the discharge gate 21 to slide in the gate guide rail 31 to control the opening and closing of the discharge port, so that the parts are quantitatively discharged onto the centrifugal disc 40 in the degreasing tank 4. The centrifugal disc 40 drives the parts to rotate and accelerate. After the parts obtain a sufficiently large centrifugal force, they are thrown onto the tank wall of the degreasing tank 4, increasing the rotation speed of the degreasing tank 4 to 1000 r / min. Under the action of centrifugal force, the oil separates from the surface of the parts and flows to the return oil port 9 through the hollow part 47 of the tank wall of the degreasing tank 4. When the degreasing tank 4 decelerates until it stops rotating, the centrifugal force disappears, and the degreased parts are discharged from the outlet 44 of the degreasing tank 4 by their own gravity.
[0037] This application embodiment also provides a working method for the centrifugal degreasing machine for nut-type parts described above, including the following steps: Place the parts to be degreased into the collection hopper 2; When the drive motor 5 is turned on and the oil removal barrel 4 reaches a speed of 400 r / min, the discharge mechanism 3 controls the discharge gate 21 to open, and the parts pass through the discharge port of the collection hopper 2, through the inlet 41 of the oil removal barrel 4, and fall onto the centrifugal disc 40. The part is thrown onto the wall of the oil removal tank 4 by centrifugal force, increasing the rotation speed of the oil removal tank 4 to 1000 r / min. The oil on the part flows out through the hollow part 47 of the oil removal tank 4 to the oil return port 9. The rotation time of the degreasing tank 4 is set. When the degreasing tank 4 stops rotating, the part falls to the outlet 44 of the degreasing tank 4. The centrifugal force disappears, and the part is discharged from the outlet 44 of the degreasing tank 4 by its own gravity.
[0038] Although different specific embodiments are mentioned in this application, this application is not limited to the situations described in industry standards or embodiments. Slightly modified implementations based on certain industry standards or custom methods or embodiments can also achieve the same, equivalent, or similar, or predictable, implementation effects as the above embodiments. Embodiments applying these modified or modified data acquisition, processing, output, and judgment methods still fall within the scope of optional implementations of this application.
[0039] Although this application has been described by way of examples, those skilled in the art will know that this application has many modifications and variations without departing from the spirit of this application, and it is intended that the appended embodiments include these modifications and variations without departing from this application.
Claims
1. A centrifugal degreasing machine for nut-type parts, characterized in that, include: A housing, wherein a feeding system and an oil removal system are provided inside the housing; The feeding system includes a hopper and a discharge mechanism. The discharge port of the hopper is provided with a discharge gate. The discharge mechanism is connected to the discharge gate to control the opening and closing of the discharge port. The deoiling system includes a deoiling tank, a drive motor, and a transmission mechanism. The drive motor and the deoiling tank are arranged parallel to each other below the feeding system. The deoiling tank is located below the collecting hopper. The drive motor drives the deoiling tank to rotate through the transmission mechanism. The interior of the deoiling tank is provided with a centrifugal disc for catching the parts to be deoiled that fall into the deoiling tank.
2. The centrifugal degreasing machine for nut-type parts according to claim 1, characterized in that, The housing contains a first layer plate, a second layer plate, and a bottom plate arranged sequentially from top to bottom. A vertical partition is provided between the second layer plate and the bottom plate. The first layer plate is provided with a guide rail that can be slidably connected to the discharge gate. The discharge mechanism is installed on the first layer plate. The transmission mechanism is located between the first layer plate and the second layer plate. The drive motor and the degreasing tank are placed in parallel between the second layer plate and the bottom plate and are separated by the partition. The drive shaft of the drive motor passes through the second layer plate and enters between the first layer plate and the top of the housing.
3. The centrifugal degreasing machine for nut-type parts according to claim 2, characterized in that, The feeding mechanism is a cylinder, and the feeding gate is connected to the piston rod of the cylinder. The cylinder drives the feeding gate to slide within the guide rail to control the opening and closing of the discharge port.
4. The centrifugal degreasing machine for nut-type parts according to claim 2, characterized in that, The top of the oil-removing barrel is provided with an inlet that connects to the outlet of the collecting hopper. The outer wall of the inlet is provided with an upper bearing. The inlet is connected to the second layer plate of the housing through a first bearing seat. The upper bearing is disposed between the outer wall of the inlet and the inner wall of the first bearing seat. The bottom of the oil-removing barrel is provided with an outlet that is wider at the top and narrower at the bottom. The outer wall of the outlet is provided with a lower bearing for support. The oil-removing barrel is mounted on the bottom plate of the housing through a second bearing seat. The lower bearing is disposed between the outer wall of the outlet and the inner wall of the second bearing seat.
5. The centrifugal degreasing machine for nut-type parts according to claim 1, characterized in that, The wall of the oil-removing barrel is provided with multiple hollow sections, the size of which is smaller than the size of the part.
6. The centrifugal degreasing machine for nut-type parts according to claim 4, characterized in that, The transmission mechanism includes a first pulley, a second pulley, and a belt. The first pulley is connected to the drive shaft of the drive motor. The second pulley is disposed on the outer wall of the inlet of the oil-removing barrel and on the side close to the collection hopper. The belt is connected to the outer walls of the first pulley and the second pulley. The drive motor drives the first pulley to rotate, and the first pulley drives the second pulley to rotate through the belt, so as to realize the rotation of the oil-removing barrel.
7. The centrifugal degreasing machine for nut-type parts according to claim 1, characterized in that, The centrifugal disc is located at the center of the oil-removing tank via a connector and moves with the oil-removing tank.
8. The centrifugal degreasing machine for nut-type parts according to claim 1, characterized in that, The outer wall of the shell is mounted above the platform via a bracket and shock-absorbing pads.
9. The centrifugal degreasing machine for nut-type parts according to claim 1, characterized in that, The bottom of the shell is provided with an oil return port for collecting the oil after degreasing at one end near the degreasing barrel.
10. A method for operating a centrifugal degreasing machine for nut-type parts according to any one of claims 1 to 9, characterized in that, Includes the following steps: Place the parts to be degreased into the collection hopper; When the drive motor is turned on and the oil-removing barrel rotates at 400 r / min, the feeding mechanism controls the feeding gate to open, and the parts pass through the discharge port of the collecting hopper, through the inlet of the oil-removing barrel, and fall onto the centrifugal disc; The part is thrown against the wall of the oil-removing barrel by centrifugal force, increasing the rotation speed of the oil-removing barrel to 1000 r / min. The oil on the part flows out through the hollow part of the oil-removing barrel to the oil return port. The rotation time of the degreasing drum is set, and when the degreasing drum stops rotating, the part falls to the outlet of the degreasing drum.