Lead screw bearing with high load capacity

Abstract

The utility model relates to the technical field of lead screw bearings, in particular to a high-load-capacity lead screw bearing which mainly comprises a lead screw body, a transmission assembly is connected to the middle of the outer side of the lead screw body, side edge connecting shafts are connected to the two ends of the outer side of the lead screw body, and side protection assemblies are arranged at the two ends of the outer side of each side edge connecting shaft. And the inner sides of the side protection assemblies are fixedly connected with clamping and fixing assemblies, the clamping and fixing assemblies comprise clamping plates, the clamping plates are slidably connected to the two ends of the inner side of the side protection frame, positioning holes are formed in the inner sides of the clamping plates, and the inner sides of the positioning holes are connected with butt joint screw rods. According to the high-load-capacity lead screw bearing, through sliding positioning adjustment between the side protection assemblies and the clamping fixing assemblies, adjustable insertion mounting and fixing can be conducted in the using process, so that the convenience of connection fixing is improved, the dismounting and mounting process is more convenient, abrasion in the dismounting, mounting and overhauling process is reduced, and the service life of the lead screw bearing is prolonged. And the use efficiency of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screw bearings, in particular to a screw bearing with high load capacity. Background Art

[0002] High load capacity screw bearings are a special type of ball screw support bearing that is designed to support high loads while maintaining precise motion control. Such bearings are usually made of high-quality materials such as high-strength steel or stainless steel to ensure good performance even under extreme operating conditions.

[0003] In the use of existing lead screw bearings, the mounting seat of the lead screw bearing is usually fixed directly by screws, which has certain stability and reliability. When the lead screw bearing needs to be installed or disassembled, tools are needed to tighten or loosen the screws. Each disassembly and assembly requires a lot of time and effort, which reduces the efficiency of the entire process and increases the risk of operational errors. If the installation is not in place or the disassembly is not thorough, it may affect the normal working state of the lead screw bearing and thus affect the overall performance of the equipment. Frequent disassembly and assembly may also cause wear of the mounting seat threads, further increasing the difficulty and cost of maintenance, which needs to be optimized and improved. Utility Model Content

[0004] The utility model aims to provide a high-load capacity screw bearing to solve the problem that the disassembly and assembly require a lot of time and effort as proposed in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high load capacity screw bearing, comprising:

[0007] A screw body, wherein a transmission assembly is connected to the middle of the outer side of the screw body, and both ends of the outer side of the screw body are connected to side connecting shafts;

[0008] Side protection components, the side protection components are arranged at the two ends of the outer side of the side connecting shaft, and the inner side of the side protection components is fixedly connected with a clamping fixing component, the clamping fixing component includes a clamping plate, and the clamping plate is slidably connected to the two ends of the inner side of the side protection frame, the inner side of the clamping plate is provided with a positioning hole, and the inner side of the positioning hole is connected with a docking screw, and the position of the clamping plate on the inner side of the side protection frame is adjustable;

[0009] A pre-positioning component is fixedly connected to the bottom end of the side protection frame, and both sides of the pre-positioning component are elastically extended to pre-fix the bottom end.

[0010] Preferably, the transmission assembly includes a transmission bearing, and the transmission bearing is rotatably connected to the middle portion of the outer side of the screw body, and a protective block is fixedly connected to the outer side of the transmission bearing.

[0011] Preferably, the side protection assembly includes a side protection frame, and the side protection frame is fixedly connected to the outer side of the side connecting shaft.

[0012] Preferably, a docking hole is provided on the outer wall of the side protection frame, and a buffer spring is connected to the inner side of the side protection frame.

[0013] Preferably, the pre-positioning assembly includes a grooved connecting plate, and the grooved connecting plate is fixedly connected to the bottom end of the side protection frame, the bottom end of the grooved connecting plate is fixedly connected to a bottom support plate, and sliding grooves are provided at both ends of the inner side of the bottom support plate.

[0014] Preferably, a toggle rod is provided on the inner side of the grooved connecting plate, and a plug-in positioning block is fixedly connected to the outer wall of the toggle rod, and a return spring is connected to the inner side of the toggle rod.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model can adjust the sliding positioning between the side protection component and the clamping fixing component to perform adjustable plug-in installation and fixing during use, thereby improving the convenience of connection and fixing, making the disassembly and assembly process more convenient, reducing wear during the disassembly and assembly and maintenance process, and improving the use efficiency of the equipment;

[0017] Before the screw bearing is fixed, the pre-positioning component at the bottom needs to be elastically extended through the process of toggling and squeezing. It can be pre-positioned during use, so that the installation process does not require position calibration, thereby improving the installation fixation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of a partially separated three-dimensional structure of the utility model;

[0020] Figure 3 It is a schematic diagram of a partially separated three-dimensional structure of a side protection assembly and a clamping fixing assembly of the utility model;

[0021] Figure 4 It is a schematic diagram of a partially separated three-dimensional structure of the pre-positioning component of the utility model.

[0022] In the figure:

[0023] 1. Screw body;

[0024] 2. Transmission assembly; 201. Transmission bearing; 202. Protection block;

[0025] 3. Side connection shaft;

[0026] 4. Side protection assembly; 401. Side protection frame; 402. Docking socket; 403. Buffer spring;

[0027] 5. Clamping and fixing assembly; 501. Clamping plate; 502. Positioning hole; 503. Docking screw;

[0028] 6. Pre-positioning assembly; 601. Grooved connecting plate; 602. Bottom support plate; 603. Sliding groove; 604. Poking rod; 605. Plug-in positioning block; 606. Return spring. Detailed implementation manners

[0029] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0030] In order to enable those skilled in the art to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0031] As Figures 1-4 shown, the present application provides a high-load-capacity lead screw bearing, including:

[0032] A lead screw body 1, a transmission assembly 2 is connected to the middle part of the outer side of the lead screw body 1, and side connection shafts 3 are connected to both ends of the outer side of the lead screw body 1;

[0033] Specifically, as Figure 2 shown, the transmission assembly 2 includes a transmission bearing 201, and the transmission bearing 201 is rotatably connected to the middle part of the outer side of the lead screw body 1, and a protection block 202 is fixedly connected to the outer side of the transmission bearing 201;

[0034] In this embodiment: The transmission bearing 201 is connected to the lead screw body 1 for transmission, and the outer protection block 202 provides protection.

[0035] A side protection assembly 4, the side protection assembly 4 is arranged at both ends of the outer side of the side connection shaft 3,

[0036] Specifically, as Figure 3As shown, the side protection component 4 includes a side protection frame 401, and the side protection frame 401 is fixedly connected to the outside of the side connection shaft 3;

[0037] In this embodiment: The side protection frame 401 is located outside the side connection shaft 3 for protection.

[0038] Specifically, as Figure 3 shown, the outer wall of the side protection frame 401 is provided with docking jacks 402, and a buffer spring 403 is connected to the inner side of the side protection frame 401;

[0039] In this embodiment: Multiple groups of docking jacks 402 are provided on the outer wall of the side protection frame 401, and the buffer spring 403 inside can buffer and support the clamping and fixing component 5.

[0040] And a clamping and fixing component 5 is fixedly connected to the inner side of the side protection component 4. The clamping and fixing component 5 includes a clamping plate 501, and the clamping plate 501 is slidably connected to both ends of the inner side of the side protection frame 401. A positioning hole 502 is provided on the inner side of the clamping plate 501, and a docking screw 503 is connected to the inner side of the positioning hole 502. The position of the clamping plate 501 inside the side protection frame 401 is adjustable;

[0041] A pre-positioning component 6, the pre-positioning component 6 is fixedly connected to the bottom end of the side protection frame 401, and both sides of the pre-positioning component 6 elastically extend for bottom pre-fixation;

[0042] Specifically, as Figure 4 shown, the pre-positioning component 6 includes a grooved connecting plate 601, and the grooved connecting plate 601 is fixedly connected to the bottom end of the side protection frame 401. A bottom support plate 602 is fixedly connected to the bottom end of the grooved connecting plate 601, and sliding grooves 603 are provided at both ends of the inner side of the bottom support plate 602;

[0043] In this embodiment: The grooved connecting plate 601 is located at the bottom for support, the bottom support plate 602 at the bottom extends for support, and the sliding grooves 603 limit the movement of the bottom end of the toggle rod 604.

[0044] Specifically, as Figure 4 shown, a toggle rod 604 is arranged inside the grooved connecting plate 601, and a plug-in positioning block 605 is fixedly connected to the outer wall of the toggle rod 604. A return spring 606 is connected to the inner side of the toggle rod 604;

[0045] In this embodiment: The toggle rod 604 is limited in movement inside the grooved connecting plate 601. Squeezing the return spring 606 can contract the plug-in positioning block 605, and plug-in positioning can be performed under the pushing of the return spring 606.

[0046] In this embodiment: through the sliding positioning adjustment between the side protection component 4 and the card-connecting fixing component 5, adjustable plug-in installation and fixing can be performed during use, thereby improving the convenience of connection fixation, making the disassembly and assembly process more convenient, and reducing wear during disassembly and assembly and maintenance. Before the screw bearing is fixed, the pre-positioning component 6 at the bottom needs to be elastically extended by the process of toggling and squeezing, and can be pre-positioned during use, so that the installation process does not require position calibration.

[0047] The specific solution is as follows: first, push the toggle rod 604 on the inner side of the grooved connecting plate 601 to squeeze the reset spring 606 to retract the plug-in positioning block 605, then release the toggle rod 604 to push out the plug-in positioning block 605, and cooperate with the bottom support plate 602 to perform bottom plug-in positioning and pre-fixation, and then move the clamping plate 501 on the inner side of the side protection frame 401 to align the positioning hole 502 with the appropriate docking socket 402, and then use the docking screw 503 to plug and fix, so that the combination of the clamping plate 501 and the side protection frame 401 is easy to adapt to plug-in installation and easy to disassemble and assemble.

[0048] A person skilled in the art should understand that the discussion of any of the above embodiments is only exemplary; under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0049] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A high load capacity screw bearing, comprising: A screw body (1), wherein a transmission assembly (2) is connected to the middle of the outer side of the screw body (1), and both ends of the outer side of the screw body (1) are connected to side connecting shafts (3); characterized in that: A side protection component (4), wherein the side protection component (4) is arranged at the two outer ends of the side connecting shaft (3), and the inner side of the side protection component (4) is fixedly connected with a clamping fixing component (5), and the clamping fixing component (5) comprises a clamping plate (501), and the clamping plate (501) is slidably connected to the two inner ends of the side protection frame (401), a positioning hole (502) is opened on the inner side of the clamping plate (501), and a docking screw (503) is connected to the inner side of the positioning hole (502), and the position of the clamping plate (501) on the inner side of the side protection frame (401) is adjustable; A pre-positioning component (6), wherein the pre-positioning component (6) is fixedly connected to the bottom end of the side protection frame (401), and both sides of the pre-positioning component (6) are elastically extended to pre-fix the bottom end.

2. A high load capacity screw bearing according to claim 1, characterized in that: The transmission assembly (2) comprises a transmission bearing (201), and the transmission bearing (201) is rotatably connected to the middle part of the outer side of the screw body (1), and a protective block (202) is fixedly connected to the outer side of the transmission bearing (201).

3. A high load capacity screw bearing according to claim 1, characterized in that: The side protection assembly (4) comprises a side protection frame (401), and the side protection frame (401) is fixedly connected to the outer side of the side connection shaft (3).

4. A high load capacity screw bearing according to claim 3, characterized in that: The outer wall of the side protection frame (401) is provided with a docking socket (402), and the inner side of the side protection frame (401) is connected with a buffer spring (403).

5. A high load capacity screw bearing according to claim 1, characterized in that: The pre-positioning component (6) comprises a grooved connecting plate (601), and the grooved connecting plate (601) is fixedly connected to the bottom end of the side protection frame (401), the bottom end of the grooved connecting plate (601) is fixedly connected to a bottom support plate (602), and sliding grooves (603) are provided at both ends of the inner side of the bottom support plate (602).

6. A high load capacity screw bearing according to claim 5, characterized in that: A toggle rod (604) is arranged on the inner side of the grooved connecting plate (601), and a plug-in positioning block (605) is fixedly connected to the outer wall of the toggle rod (604), and a return spring (606) is connected to the inner side of the toggle rod (604).

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