Linear module with automatic lubricating structure

Abstract

This utility model relates to the field of linear mobile device technology and discloses a linear module with an automatic lubrication structure. It includes multiple bearing seats, with multiple guide rails fixedly connected between adjacent bearing seats. A lead screw is rotatably connected between two bearing seats, located between two guide rails. A slide is provided between the guide rails and the lead screw, with multiple linear bearings fixedly connected inside the slide. An internal threaded seat is fixedly connected to the slide between two linear bearings. The linear bearings are inserted into the corresponding guide rails, and the internal threaded seat is threadedly connected to the lead screw. Self-lubrication is achieved by generating graphite powder through friction between the arc-shaped graphite block and the guide rails, eliminating the need for regular manual application of lubricating grease, significantly reducing manual maintenance workload. It also avoids the waste caused by excessive or diffused traditional lubricating grease, reducing operating costs. The support plate at the bottom of the arc-shaped insert provides continuous support, ensuring a tight fit between the arc-shaped graphite block and the guide rail even if the block wears down.

Description

Technical Field

[0001] This utility model relates to the field of linear mobile device technology, and in particular to a linear module with an automatic lubrication structure. Background Technology

[0002] Linear mobile devices are a type of automated equipment that enables objects to move precisely along a straight trajectory through mechanical, electrical, or hydraulic drive methods. They are widely used in industrial production, logistics and transportation, precision manufacturing, and other fields. Linear moving equipment mainly consists of a guiding mechanism, a drive system, transmission components, and a control system. It can achieve linear motion with different speeds, displacements, and positioning accuracies according to requirements. To ensure the stability of linear movement, lubricating grease is applied manually to moving parts such as guide rails and ball screws at regular intervals, or lubricating oil is dripped onto the slider through an oil can. During equipment operation, the linear friction of components such as guide rails and ball screws will cause the grease to spread. If too much grease is used or the grease is not selected properly, the lubricating grease will cover the linear moving equipment. Under some production conditions, the grease is prone to adhering to dust and forming oil stains, which contaminate the workpiece, thus wasting lubricant and increasing costs. In addition, oil stains will increase the frictional resistance of the components, affect the positioning accuracy of the equipment, and bring a large amount of manual cleaning work in the later stage. Utility Model Content

[0003] The purpose of this invention is to provide a linear module with an automatic lubrication structure, which can effectively solve the problems in the background art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A linear module with an automatic lubrication structure includes multiple bearing seats, with multiple guide rails fixedly connected between adjacent bearing seats. A lead screw is rotatably connected between two bearing seats, the lead screw being located between two guide rails. A slide is provided between the guide rails and the lead screw, and multiple linear bearings are fixedly connected within the slide. An internal threaded seat is fixedly connected to the slide between two linear bearings. The linear bearings are inserted into the corresponding guide rails, and the internal threaded seat is threadedly connected to the lead screw. A ball retainer is fixedly connected within the linear bearing, and multiple balls are rotatably connected within the ball retainer. A threaded groove is provided on one side of the linear bearing, and a connecting cap is movably connected to one side of the linear bearing through the threaded groove. Multiple lower arc-shaped mounting seats are movably connected within the connecting caps, and upper arc-shaped mounting seats are fixedly connected to the lower arc-shaped mounting seats. An arc-shaped insert plate is movably connected within the upper arc-shaped mounting seats, and an arc-shaped graphite block is fixedly connected to the arc-shaped insert plate.

[0005] As a further preferred embodiment of this utility model, a connecting flange is fixedly connected to the side of the linear bearing away from the screw groove, and the connecting flange is fixedly connected to one side of the slide table.

[0006] As a further preferred embodiment of this utility model, the outer side of the connecting cap is provided with multiple flat grooves, which provide force points when the connecting cap is disassembled and assembled with tools such as pipe wrenches, thus facilitating the disassembly and assembly of the connecting cap.

[0007] As a further preferred embodiment of this utility model, the inner side of the connecting cap is provided with a thread, so that the connecting cap can be installed by engaging with the threaded groove on the outer side of the linear bearing through the thread. A first mounting groove is provided on one side of the inner side of the connecting cap, so that one end of the lower arc-shaped mounting seat is installed into the first mounting groove, thereby so that after the connecting cap is installed on the side of the linear bearing, it works with the linear bearing to limit the lower arc-shaped mounting seat.

[0008] As a further preferred embodiment of this utility model, the lower arc-shaped mounting base has an L-shaped longitudinal section, and one end of the lower arc-shaped mounting base is inserted into the first mounting groove. The upper arc-shaped mounting base has a second mounting groove, and the longitudinal section of the second mounting groove has an inverted T-shaped structure, which provides conditions for the rapid connection between the arc-shaped insert plate and the upper arc-shaped mounting base. Limiting plates are fixedly connected to both sides of the upper arc-shaped mounting base. When the arc-shaped insert plate is inserted into the second mounting groove, the displacement of the arc-shaped insert plate on both sides can be limited.

[0009] As a further preferred embodiment of this utility model, the longitudinal section of the arc-shaped insert plate is an inverted T-shape. Multiple support plates are fixedly connected to the bottom of the arc-shaped insert plate. The arc-shaped insert plate is inserted into the second mounting groove. One end of each support plate abuts against the bottom of the second mounting groove, thereby providing support force to the arc-shaped insert plate through the multiple support plates. This allows one side of the arc-shaped graphite block to abut against the outer surface of the guide rail with appropriate pressure. Furthermore, after the contact surface between the arc-shaped graphite block and the guide rail wears down, the support force of the support plates can push the arc-shaped graphite block, ensuring that the arc-shaped graphite block and the guide rail always maintain a sliding connection. Thus, the graphite powder generated by the friction between the arc-shaped graphite block and the guide rail achieves self-lubrication.

[0010] Compared with the prior art, the present invention has the following beneficial effects: In this invention, graphite powder generated by the friction between the arc-shaped graphite block and the guide rail achieves self-lubrication, eliminating the need for regular manual application of lubricating grease, significantly reducing manual maintenance workload, and avoiding waste caused by excessive use or diffusion of traditional lubricating grease, thus reducing operating costs. The support plate at the bottom of the arc-shaped insert plate can continuously provide support force, and even if the arc-shaped graphite block wears down, it can still be pushed to maintain a tight fit with the guide rail, ensuring stable lubrication effect and preventing the wear of components from being aggravated by insufficient lubrication. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a schematic diagram of the linear bearing structure of this utility model; Figure 3 This is a schematic diagram of the disassembled structure of the connecting cap of this utility model; Figure 4 This is a schematic diagram of the disassembled structure of the lower arc-shaped mounting base and the arc-shaped insert plate of this utility model.

[0012] In the diagram: 1. Shaft seat; 2. Guide rail; 3. Lead screw; 4. Slide table; 5. Linear bearing; 6. Internal threaded hole seat; 7. Motor; 8. Ball cage; 9. Ball; 10. Threaded groove; 11. Connecting cap; 12. Lower arc-shaped mounting seat; 13. Upper arc-shaped mounting seat; 14. Arc-shaped insert plate; 15. Arc-shaped graphite block; 16. Flat groove; 17. First mounting groove; 18. Second mounting groove; 19. Limiting plate; 20. Support plate; 21. Connecting flange. Detailed Implementation

[0013] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0014] like Figures 1-4 As shown, the present invention provides a linear module with an automatic lubrication structure, including multiple bearing seats 1, with multiple guide rails 2 fixedly connected between adjacent bearing seats 1, and a lead screw 3 rotatably connected between two bearing seats 1. The lead screw 3 is located between two guide rails 2, and a slide 4 is provided between the guide rails 2 and the lead screw 3. Multiple linear bearings 5 ​​are fixedly connected inside the slide 4, and an internal thread seat 6 is fixedly connected to the slide 4 located between two linear bearings 5. The linear bearings 5 ​​are inserted and connected to the corresponding guide rails 2, and the internal thread seat 6 is... The linear bearing 5 is threadedly connected to the lead screw 3. A ball retainer 8 is fixedly connected inside the linear bearing 5. Multiple balls 9 are rotatably connected inside the ball retainer 8. A threaded groove 10 is opened on one side of the linear bearing 5. A connecting cap 11 is movably connected to one side of the linear bearing 5 through the threaded groove 10. Multiple lower arc-shaped mounting seats 12 are movably connected inside the connecting cap 11. An upper arc-shaped mounting seat 13 is fixedly connected to the lower arc-shaped mounting seat 12. An arc-shaped insert plate 14 is movably connected inside the upper arc-shaped mounting seat 13. An arc-shaped graphite block 15 is fixedly connected to the arc-shaped insert plate 14.

[0015] like Figure 2 As shown, a connecting flange 21 is fixedly connected to the side of the linear bearing 5 away from the screw groove 10, and the connecting flange 21 is fixedly connected to one side of the slide table 4.

[0016] like Figures 2-4As shown, the outer side of the connecting cap 11 has multiple flat grooves 16, which provide force points for disassembling and assembling the connecting cap 11 using tools such as pipe wrenches, facilitating the disassembly and assembly of the connecting cap 11. The inner side of the connecting cap 11 is provided with threads, which are used to enable the connecting cap 11 to be installed by engaging with the threaded groove 10 on the outer side of the linear bearing 5. A first mounting groove 17 is provided on one side of the inner side of the connecting cap 11, so that one end of the lower arc-shaped mounting seat 12 is installed into the first mounting groove 17. Thus, after the connecting cap 11 is installed on the side of the linear bearing 5, it works with the linear bearing 5 to limit the lower arc-shaped mounting seat 12. The longitudinal section of the lower arc-shaped mounting seat 12 is L-shaped, and one end of the lower arc-shaped mounting seat 12 is inserted into the first mounting groove 17. A second mounting groove 18 is provided in the upper arc-shaped mounting seat 13. The longitudinal section of the second mounting groove 18 is an inverted T-shaped structure, providing a quick connection between the arc-shaped insert plate 14 and the upper arc-shaped mounting seat 13. The upper arc-shaped mounting base 13 has limiting plates 19 fixedly connected to both sides. When the arc-shaped insert 14 is inserted into the second mounting groove 18, the displacement of the arc-shaped insert 14 on both sides can be limited. The longitudinal section of the arc-shaped insert 14 is an inverted T-shape. Multiple support plates 20 are fixedly connected to the bottom of the arc-shaped insert 14. The arc-shaped insert 14 is inserted into the second mounting groove 18, and one end of the support plate 20 abuts against the bottom of the second mounting groove 18. Thus, the multiple support plates 20 provide support force for the arc-shaped insert 14, so that one side of the arc-shaped graphite block 15 can abut against the outer surface of the guide rail 2 with appropriate pressure. In the later stage, after the contact surface between the arc-shaped graphite block 15 and the guide rail 2 is worn, the support force of the support plate 20 can also push the arc-shaped graphite block 15, so that the arc-shaped graphite block 15 and the guide rail 2 always maintain a sliding connection. Thus, the graphite powder generated by the friction between the arc-shaped graphite block 15 and the guide rail 2 achieves self-lubrication.

[0017] It should be noted that this utility model is a linear module with an automatic lubrication structure. When in use, the workpiece or equipment to be moved is first fixed on the slide table 4, and then the motor 7 fixed on one side of one of the shaft seats 1 is started, so that the output end of the motor 7 drives the lead screw 3 to rotate. During the rotation of the lead screw 3, the rotational motion is converted into linear motion through the threaded engagement with the internal thread seat 6, thereby pushing the slide table 4 to move along the direction of the guide rail 2. As the slide table 4 moves along the guide rail 2, the arc-shaped graphite block 15 moves synchronously with the slide table 4 and always maintains contact with the outer surface of the guide rail 2. As the slide table 4 continues to move, friction is generated between the arc-shaped graphite block 15 and the guide rail 2. During the friction process, fine graphite powder is generated on the surface of the arc-shaped graphite block 15. This graphite powder adheres to the surface of the guide rail 2, forming a lubricating film, which provides lubrication for the relative movement of the guide rail 2 and the linear bearing 5, and avoids excessive wear caused by direct contact between the two. When the arc-shaped graphite block 15 wears due to long-term friction, the support plate 20 at the bottom of the arc-shaped insert plate 14 will release its own elastic force, pushing the arc-shaped insert plate 14 to move along the second mounting groove 18 in the upper arc-shaped mounting seat 13 towards the guide rail 2, ensuring that the arc-shaped graphite block 15 is always in close contact with the outer surface of the guide rail 2, maintaining a stable friction and lubrication effect. When replacing the arc-shaped graphite block 15, a tool can be used to hold the flat groove 16 on the outside of the connecting cap 11. Rotate the tool to remove the connecting cap 11 from the threaded groove 10 on the outside of the linear bearing 5. Then remove the combined structure of the lower arc-shaped mounting base 12 and the upper arc-shaped mounting base 13. Then pull the arc-shaped insert plate 14 out of the second mounting groove 18. After replacing the new arc-shaped graphite block 15, reassemble it in the reverse order.

[0018] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A linear module with an automatic lubrication structure, characterized in that: It includes multiple bearing seats (1), and multiple guide rails (2) are fixedly connected between two adjacent bearing seats (1). A lead screw (3) is rotatably connected between two bearing seats (1). The lead screw (3) is located between two guide rails (2). A slide (4) is provided between the guide rails (2) and the lead screw (3). Multiple linear bearings (5) are fixedly connected inside the slide (4). An internal threaded seat (6) is fixedly connected to the slide (4) between two linear bearings (5). The linear bearings (5) are inserted and connected to the corresponding guide rails (2). The internal threaded seat (6) is threadedly connected to the lead screw (3). A ball retainer (8) is fixedly connected inside the bearing (5), and multiple balls (9) are rotatably connected inside the ball retainer (8). A threaded groove (10) is provided on one side of the linear bearing (5). A connecting cap (11) is movably connected to one side of the linear bearing (5) through the threaded groove (10). Multiple lower arc-shaped mounting seats (12) are movably connected inside the connecting cap (11). An upper arc-shaped mounting seat (13) is fixedly connected to the lower arc-shaped mounting seat (12). An arc-shaped insert plate (14) is movably connected inside the upper arc-shaped mounting seat (13). An arc-shaped graphite block (15) is fixedly connected to the arc-shaped insert plate (14).

2. A linear module with an automatic lubrication structure according to claim 1, characterized in that: The linear bearing (5) is fixedly connected to a connecting flange (21) on the side away from the threaded groove (10), and the connecting flange (21) is fixedly connected to one side of the slide (4).

3. A linear module with an automatic lubrication structure according to claim 1, characterized in that: The outer side of the connecting cap (11) has multiple flat grooves (16).

4. A linear module with an automatic lubrication structure according to claim 1, characterized in that: The inner side of the connecting cap (11) is provided with threads, and a first mounting groove (17) is opened on one side of the inner side of the connecting cap (11).

5. A linear module with an automatic lubrication structure according to claim 1, characterized in that: The lower arc-shaped mounting base (12) has an L-shaped longitudinal section, and one end of the lower arc-shaped mounting base (12) is inserted into the first mounting groove (17). The upper arc-shaped mounting base (13) has a second mounting groove (18) with an inverted T-shaped longitudinal section. Limiting pieces (19) are fixedly connected to both sides of the upper arc-shaped mounting base (13).

6. A linear module with an automatic lubrication structure according to claim 5, characterized in that: The longitudinal section of the arc-shaped insert (14) is an inverted T-shape. Multiple support plates (20) are fixedly connected to the bottom of the arc-shaped insert (14). The arc-shaped insert (14) is inserted into the second mounting groove (18). One end of the support plate (20) abuts against the bottom of the second mounting groove (18).

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