Automatic oiling device for lead screw

Abstract

The utility model belongs to the field of mechanical part oiling equipment, and provides an automatic lead screw oiling device which comprises a machine frame, a lead screw feeding unit and an oiling unit used for oiling a lead screw are arranged on the machine frame, an oil supply unit is arranged on the supply side of the oiling unit, and the oiling unit is connected with the oil supply unit. A control unit is arranged on the control sides of the lead screw feeding unit, the oiling unit and the oil supply unit. Through the combination of the oiling unit, the oil supply unit and the control unit, automatic oiling of the lead screw is achieved, meanwhile, the lead screw feeding unit is matched, the lead screw to be oiled is driven to be conveyed in the oiling process through the driving capacity of the lead screw feeding unit, and the resource utilization efficiency is improved; and the oiling unit is provided with the annular oil guide groove, so that the oiling uniformity can be improved, and the problems that in the prior art, the lead screw is mostly oiled manually, the consumed time is long, the oiling level is uneven, and the effect is not ideal are solved.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical component oiling equipment, and particularly relates to an automatic oiling device for lead screws. Background Technology

[0002] A lead screw is a type of actuator in mechanical transmission components. When a lead screw is driven to rotate by a corresponding power source, it can drive a mating lead screw pair to perform linear motion. With the development of technology, the types of study desks have become more diversified, and their functions have been correspondingly developed. The application of lead screws in study desks, study chairs, and other learning equipment is also increasing. In the field of learning equipment, for devices equipped with lead screw components, in conjunction with corresponding lead screw sleeves or lead screw nuts, adjustments can be made to the height of the learning equipment, the slope of the tabletop, and the spacing of related components. Therefore, the lead screw is an important supporting component for the rich functionality of learning equipment.

[0003] As a crucial mechanical component, the lead screw requires oiling on its working surface to meet the basic requirements of its transmission performance. However, current technologies often employ manual oiling of the lead screw, which is not only time-consuming but also results in inconsistent oiling levels and unsatisfactory effects, hindering large-scale mechanized production in workshops. Utility Model Content

[0004] This invention addresses the aforementioned technical problems in lubricating lead screws by proposing an automatic lead screw lubrication device that is rationally designed, simple in structure, and conducive to improving lubrication quality and efficiency.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: This utility model provides an automatic lead screw oiling device, including a frame, on which a lead screw feeding unit and an oiling unit for oiling the lead screw are provided. An oil supply unit is provided on the supply side of the oiling unit, and a control unit is provided on the control side of the lead screw feeding unit, the oiling unit and the oil supply unit.

[0006] Preferably, the oiling unit includes an oiling assembly and a valve assembly.

[0007] Preferably, the valve assembly includes a carrier and a valve core, the valve core is installed in the carrier, the carrier is connected to the frame, the carrier is provided with a cavity for the valve core to reciprocate, and the driving end of the valve core is provided with a driving element and is driven to reciprocate.

[0008] Preferably, the valve core is provided with a valve core oil passage, and the carrier is provided with a first oil inlet that can communicate with the valve core oil passage. The first oil inlet is connected to the oil supply unit through an oil pipe.

[0009] Preferably, one end of the valve core oil passage extends to the side of the valve core, and the other end of the valve core oil passage extends to one end face or side face of the valve core.

[0010] Preferably, the carrier is provided with an oil reservoir, the oil reservoir is provided with a through hole for the lead screw to pass through, and the oil reservoir is provided with an oil guide groove.

[0011] Preferably, the oil reservoir is provided with a second oil inlet, which is used to connect the valve core oil passage and the oil guide groove.

[0012] Preferably, a guide unit is provided between the lead screw feeding unit and the oiling unit.

[0013] Preferably, the guiding unit includes a first guide groove that is connected to the discharge end of the lead screw feeding unit. A support plate is provided at the end of the first guide groove. Multiple rotatable guide bearings are provided on both sides of the support plate, and the rolling surface of the guide bearings faces the vertical neutral surface of the support plate.

[0014] Preferably, the spacing between the guide bearings distributed on opposite sides of the support plate is equal to or slightly greater than the outer diameter of the lead screw.

[0015] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0016] 1. This utility model provides an automatic lead screw oiling device. By combining an oiling unit, an oil supply unit, and a control unit, it achieves automatic oiling of the lead screw. Simultaneously, in conjunction with a lead screw feeding unit, the driving force of the feeding unit drives the lead screw to be oiled during the oiling process, improving resource utilization efficiency. The oiling unit, by incorporating an annular oil guide groove, improves the uniformity of oiling, solving the problems of existing technologies that mostly rely on manual oiling of lead screws, which is not only time-consuming but also results in inconsistent oiling quality and unsatisfactory effects. This device has a reasonable design, simple structure, and is conducive to improving oiling quality and efficiency, making it suitable for large-scale promotion. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of the present invention in an embodiment;

[0019] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 This is a schematic diagram of the structure of the present invention in an embodiment;

[0021] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0022] Figure 5 This is a cross-sectional view of the valve core in an embodiment of the present invention.

[0023] In the above figures: 1-Screw feeding unit; 2-Oil supply unit; 3-First guide groove; 4-Guide bearing; 5-Support plate; 6-Drive component; 7-Valve core; 8-Carrier; 9-Oil reservoir; 10-Second guide groove; 11-Oil guide groove; 12-First oil inlet; 13-Valve core oil passage; 14-Second oil inlet. Detailed Implementation

[0024] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other. For ease of description, the terms "upper," "lower," "left," and "right" appearing below only indicate that they correspond to the upper, lower, left, and right directions in the accompanying drawings and do not limit the structure.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0026] Examples, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, this utility model provides an automatic lead screw oiling device, including a frame. The frame is equipped with a lead screw feeding unit 1 and an oiling unit for oiling the lead screws. The lead screw feeding unit 1 outputs lead screws one by one along its own axis, facilitating the orderly entry of the lead screws into the oiling process of the oiling unit. An oil supply unit 2 is provided on the supply side of the oiling unit. Control units are provided on the control sides of the lead screw feeding unit 1, the oiling unit, and the oil supply unit 2. The control unit is a PLC controller used to control the start and stop of the lead screw feeding unit 1 and the oiling operations of the oiling unit and the oil supply unit 2. The lead screw feeding unit 1 includes at least a hopper for placing the lead screw to be coated with oil. The side of the hopper is inclined downwards. A turnshaft is provided at the end of the hopper. At least one lever for flipping and turning the lead screw is radially provided on the turnshaft. One end of the turnshaft is a rotating support end, and the other end is connected to a turning cylinder. The turnshaft and lever can be driven by the turning cylinder to produce a turning action, thereby controlling the order of the lead screws to be coated with oil entering the conveying process. At the same time, the lead screw feeding unit 1 also includes a push rod for pushing the lead screw to be coated with oil. The power end of the push rod is provided with a push cylinder. The extension and retraction action of the push cylinder can push the lead screw to be coated with oil to move in an orderly manner in the oiling direction, thereby completing the subsequent oiling operation.

[0027] To improve the automation of oiling, the oiling unit provided by this invention includes an oil distribution assembly and a valve assembly. The oil distribution assembly is used to control the uniformity of oil application, and the valve assembly is used to control the timing of the entry and exit of the lubricating oil medium.

[0028] Specifically, the valve assembly provided by this utility model includes a carrier 8 and a valve core 7. The valve core 7 is installed inside the carrier 8, which is connected to a frame. The carrier 8 has a cavity for the valve core 7 to reciprocate. The driving end of the valve core 7 is provided with a driving component 6, which drives the valve core 7 to reciprocate. The driving component 6 can be an electric telescopic rod, a cylinder, a hydraulic cylinder, etc. The telescopic end of the driving component 6 is connected to the valve core 7 and is used to drive the valve core 7 to reciprocate up and down.

[0029] Furthermore, the valve core 7 is provided with a valve core oil passage 13, and the carrier 8 is provided with a first oil inlet 12 that can communicate with the valve core oil passage 13. The first oil inlet 12 is connected to the oil supply unit 2 through an oil pipe. The oil supply unit 2 delivers lubricating oil to the first oil inlet 12, and the driving component 6 drives the valve core 7 to rise. The valve core oil passage 13 rises and communicates with the first oil inlet 12. The lubricating oil enters the valve core oil passage 13 under the pressure of the oil supply unit 2.

[0030] To improve oil supply performance, one end of the valve core oil passage 13 provided by this invention extends to the side of the valve core 7, and the other end extends to one end face or side face of the valve core 7. The oil supply unit 2 introduces lubricating oil into the valve core oil passage 13 from the first oil inlet 12 and the oil port on the side of the valve core oil passage 13. The bottom of the valve core oil passage 13 abuts against the oil distribution assembly, which achieves uniform oil distribution.

[0031] To improve the lubrication effect of the lead screw, the oil distribution assembly provided by this utility model includes an oil reservoir 9, an oil guide groove 11, and a second oil inlet 14. Specifically, in conjunction with the valve assembly, this utility model provides an oil reservoir 9 on the carrier 8, the oil reservoir 9 having a through hole for the lead screw to pass through, and an oil guide groove 11 on the oil reservoir 9. The oil reservoir 9 is divided into two parts: an upper oil reservoir 9 and a lower oil reservoir 9; each of the upper and lower oil reservoirs 9 has a semi-annular oil guide groove 11, which interlock to form a complete annular groove, thus facilitating the lubricating oil to reach the circumference of the lead screw.

[0032] Furthermore, the oil reservoir 9 is provided with a second oil inlet 14, which connects the valve core oil passage 13 and the oil guide groove 11. Under the action of the oil supply unit 2, the lubricating oil in the valve core oil passage 13 can enter the oil guide groove 11 from the second oil inlet 14. The inside of the oil guide groove 11 is an annular space that is not completely sealed, and the supplied lubricating oil can contact the outer circumference of the lead screw, thereby achieving oiling.

[0033] To improve the efficiency of automatic oiling in this device, a guide unit is provided between the lead screw feeding unit 1 and the oiling unit. The guide unit ensures the uniformity of the lead screw's forward and backward transmission path, thereby ensuring that the lead screw can enter the oiling assembly in an orderly and accurate manner from the through hole position under the drive of the lead screw feeding unit 1.

[0034] To ensure the guiding performance of the guiding unit, the guiding unit provided by this utility model includes a first guide groove 3 connected to the discharge end of the lead screw feeding unit 1. A support plate 5 is provided at the end of the first guide groove 3. Multiple rotatable guide bearings 4 are provided on both sides of the support plate 5, with the rolling surface of the guide bearings 4 facing the vertical neutral surface of the support plate 5. The end of the support plate 5 is located at one end of the oil reservoir 9, and the axis of the through hole on the oil reservoir 9 is in the same direction as the support plate 5 and the first guide groove 3, which facilitates the lead screw entering the oil reservoir 9 for oiling operations. The guide bearings 4 form a side guiding structure for the lead screw, and the support plate 5 directly supports the lead screw, allowing the lead screw to enter the oil reservoir 9 from the first guide groove 3 along the direction of the support plate 5 under the action of the lead screw feeding unit 1.

[0035] To prevent the lead screw from getting stuck, the guide bearings 4 distributed on both sides of the support plate 5 provided by this utility model are spaced at a distance equal to or slightly greater than the outer diameter of the lead screw, so that the path through which the lead screw is pushed has a reasonable width and the lead screw does not wobble or swing its tail.

[0036] Corresponding to the first guide trough 3, the oil storage seat 9 is provided with a second guide trough at its end. The oiled lead screw is output through the end of the oil storage seat 9 to the second guide trough 10, making it convenient for workers to pick up.

[0037] The working principle of this device is as follows: the control unit controls the start of the lead screw feeding unit 1, which feeds out the lead screws one by one. The lead screw fed out by the lead screw feeding unit 1 will first stop at the entrance of the oil reservoir 9. When the lead screw fed out later moves, it pushes the lead screw in front into the oil reservoir 9 and moves. At the same time, the control unit sets the oiling interval of the oiling unit according to the time interval of each output of the lead screw feeding unit 1, and sets the oiling time of the oiling unit according to the time required for the lead screw to be fed out by the lead screw feeding unit 1. When the lead screw passes the oil reservoir 9, the control unit controls the drive component 6 to drive the valve core 7 to rise. The first oil inlet 12 is connected to the valve core oil passage 13, and then the lubricating oil reaches the oil guide groove 11 through the second oil inlet 14 and is coated on the lead screw. After the preset time is reached, the drive component 6 drives the valve core 7 to close the oil passage and stop the oiling. After the oiling time stops, the oiling continues. This process is repeated to realize the automatic oiling of the lead screw.

[0038] This invention achieves automatic oiling of the lead screw by combining an oiling unit and an oil supply unit 2 with a control unit. Simultaneously, it integrates a lead screw feeding unit 1 that automatically outputs lead screws one by one. After integration, the driving capability of the lead screw feeding unit 1 is cleverly utilized to drive the movement of the lead screw during the oiling process, improving resource utilization efficiency. The annular oil guide groove 11 enhances the uniformity of oiling. This invention solves the problem that in the prior art, manual oiling of lead screws is commonly used, which is not only time-consuming but also yields unsatisfactory oiling results.

[0039] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An automatic oiling device for lead screws, comprising a frame, characterized in that, The frame is equipped with a lead screw feeding unit and an oiling unit for applying oil to the lead screw. The oiling unit has an oil supply unit on its supply side, and control units are provided on the control sides of the lead screw feeding unit, oiling unit, and oil supply unit. The oiling unit includes an oil distribution assembly and a valve assembly. The valve assembly includes a carrier and a valve core. The valve core is installed in the carrier, which is connected to the frame. The carrier has a cavity for the valve core to reciprocate. The driving end of the valve core is equipped with a driving element and is driven to reciprocate.

2. The automatic oiling device for lead screws according to claim 1, characterized in that, The valve core is provided with a valve core oil passage, and the carrier is provided with a first oil inlet that can communicate with the valve core oil passage. The first oil inlet is connected to the oil supply unit through an oil pipe.

3. The automatic oiling device for lead screws according to claim 2, characterized in that, One end of the valve core oil passage extends to the side of the valve core, and the other end of the valve core oil passage extends to one end face or side face of the valve core.

4. The automatic oiling device for lead screws according to claim 3, characterized in that, The carrier is provided with an oil reservoir, the oil reservoir is provided with a through hole for the lead screw to pass through, and the oil reservoir is provided with an oil guide groove.

5. The automatic oiling device for lead screws according to claim 4, characterized in that, The oil reservoir is provided with a second oil inlet, which is used to connect the valve core oil passage and the oil guide groove.

6. An automatic oiling device for lead screws according to any one of claims 1-5, characterized in that, A guide unit is provided between the lead screw feeding unit and the oiling unit.

7. The automatic oiling device for lead screws according to claim 6, characterized in that, The guiding unit includes a first guide groove that is connected to the discharge end of the lead screw feeding unit. A support plate is provided at the end of the first guide groove. Multiple rotatable guide bearings are provided on both sides of the support plate. The rolling surface of the guide bearings faces the vertical neutral surface of the support plate.

8. The automatic oiling device for lead screws according to claim 7, characterized in that, The spacing between the guide bearings distributed on both sides of the support plate is equal to or slightly greater than the outer diameter of the lead screw.

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