Cylindrical roller screening device of roller bearing
By designing a roller bearing screening device with a buffer plate and material distribution block structure, the problem of slow speed in traditional manual visual screening has been solved, achieving efficient screening of rollers and protection of the screening plate, thus improving screening efficiency and accuracy.
Patent Information
- Application Number
- CN202423053559.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Traditional cylindrical roller screening methods rely on manual visual inspection, which is slow and affected by personal experience, making it difficult to efficiently screen out qualified and unqualified rollers.
A cylindrical roller screening device for roller bearings was designed. It adopts a buffer plate and material distribution block structure. The rollers are evenly distributed to the screening plate by spring buffer and triangular material distribution blocks, so as to achieve buffering and protection and improve screening efficiency.
It effectively prevents the rollers from impacting the screening plate, extends the life of the screening plate, improves screening efficiency, and ensures the accuracy and speed of roller screening.
Smart Images
Figure CN223556527U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of screening, specifically to a cylindrical roller screening device of roller bearing. BACKGROUND
[0002] The cylindrical roller bearing is a common rolling bearing, which is composed of an inner ring, an outer ring, cylindrical rollers and a retainer. In order to ensure the quality and performance of the bearing, the cylindrical rollers often need to be screened during production to eliminate unqualified products.
[0003] The traditional screening method of cylindrical rollers adopts visual screening, which usually requires the operator to visually check the appearance and size of the cylindrical rollers to determine whether they are qualified. This method is suitable for screening a small number of rollers, but it is slow and affected by the operator's personal experience.
[0004] Therefore, we improve it and propose a cylindrical roller screening device of roller bearing. UTILITY MODEL CONTENT
[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:
[0006] The cylindrical roller screening device of roller bearing comprises a screening box, a feeding pipe is fixedly connected to the upper end of the screening box, a buffer plate is hingedly installed on the left and right walls of the top of the screening box, the buffer plate on the right wall inside the screening box is below the buffer plate on the left wall inside the screening box, two top rods are symmetrically hingedly installed at the lower end of the buffer plate, a top cylinder is installed at the bottom of each top rod, and the other end of each of the four top cylinders is hingedly connected to the left and right walls inside the screening box.
[0007] A first support block is installed at the middle of the bottom end inside the screening box, an inclined screening plate is installed on each side of the first support block, a plurality of screening holes are uniformly arranged on the screening plate, and the ends of the two screening plates away from each other are fixedly connected to the left and right walls inside the screening box.
[0008] As a preferred technical scheme of the utility model, a second spring is fixedly installed at the bottom end of the top rod, the other end of the second spring is fixedly connected to the inner wall bottom end of the top cylinder, and the outer end surface of the bottom of the top rod is in sliding fit with the inner wall of the top cylinder.
[0009] As a preferred technical scheme of the utility model, a triangular distribution block is fixedly installed at the upper end of the first support block, the triangular distribution block is below the buffer plate and above the screening plate, and a circular arc chamfer is arranged at the upper end of the triangular distribution block.
[0010] As a preferred technical scheme of the utility model, a plurality of first springs are uniformly fixed and installed on the inner top end of the first supporting block, and the lower end of the first spring is uniformly fixed and installed on the upper end face of the second supporting block, the lower end of the second supporting block is movably penetrated through the lower end of the first supporting block, and is fixedly connected to the middle position of the inner bottom end of the screening box, and the top of the second supporting block and the inner wall of the first supporting block slide and fit along the vertical direction.
[0011] As a preferred technical scheme of the utility model, a second recycling box is placed at the inner bottom end of the screening box and below the two screening plates.
[0012] As a preferred technical scheme of the utility model, the two screening plates are provided with discharge ports at the positions away from the connection of the screening box, the two discharge ports are fixedly and communicatively provided with discharge pipelines at the positions away from each other, the first recycling box is fixedly installed at the positions below the two discharge pipelines, and the upper ends of the first recycling box and the second recycling box are provided with openings.
[0013] As a preferred technical scheme of the utility model, the front end of the screening box is provided with an operation port, and an operation door plate is installed at the operation port.
[0014] The utility model has the advantages of:
[0015] 1. The cylindrical roller screening device of the roller bearing, the cylindrical roller falling into the screening box can first pass through the two buffer plates, and the second spring can buffer the ejector rod, so that the cylindrical roller is buffered, the buffered cylindrical roller can fall onto the triangular distributing block, when the cylindrical roller passes through the triangular distributing block, the first spring buffers the first supporting block, so that the triangular distributing block is buffered, and the cylindrical roller falling into the screening box is further buffered, so that the screening plate is protected, the cylindrical roller is prevented from continuously impacting the screening plate, and the service life of the screening plate is reduced.
[0016] 2. The cylindrical roller screening device of the roller bearing, the triangular distributing block can uniformly distribute the cylindrical roller to the two screening plates, so that the two screening plates work at the same time, and the screening efficiency of the cylindrical roller is improved.
[0017] The utility model can prevent the cylindrical roller from continuously impacting the screening plate, so that the screening plate is easily damaged, and the service life of the screening plate is low, and the screening efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation of the utility model. In the drawings:
[0019] Figure 1 This is a schematic diagram of the structure of a cylindrical roller screening device for roller bearings according to this utility model;
[0020] Figure 2 This is a partial structural explosion of a cylindrical roller screening device for roller bearings according to this utility model. Figure One ;
[0021] Figure 3 This is a partial structural explosion of a cylindrical roller screening device for roller bearings according to this utility model. Figure Two .
[0022] In the diagram: 1. Screening box; 2. Feed pipe; 3. Top rod; 4. Buffer plate; 5. Top cylinder; 6. Screening plate; 7. Discharge pipe; 8. First recycling box; 9. Second recycling box; 10. First support block; 11. Second support block; 12. Triangular material dividing block; 13. Discharge port; 14. First spring; 15. Second spring. Detailed Implementation
[0023] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.
[0024] Example: Figure 1 As shown, the present invention provides a cylindrical roller screening device for roller bearings, including a screening box 1. The upper end of the screening box 1 is fixedly connected to a feed pipe 2. Buffer plates 4 are hinged to the top left and right walls of the screening box 1. The buffer plate 4 located on the right wall of the screening box 1 is located below the buffer plate 4 located on the left wall of the screening box 1. Two top rods 3 are symmetrically hinged to the lower end of the buffer plate 4. Top cylinders 5 are installed at the bottom of the top rods 3. The other ends of the four top cylinders 5 are respectively hinged to the left and right walls of the screening box 1.
[0025] A first support block 10 is installed at the bottom center of the screening box 1. An inclined screening plate 6 is installed on both the left and right sides of the first support block 10. Multiple screening holes are evenly arranged on the screening plate 6. The two screening plates 6 are fixedly connected to the left and right walls of the screening box 1 respectively at one end away from each other.
[0026] The cylindrical rollers of the roller bearing can enter the screening box 1 through the feed pipe 2, and the cylindrical rollers falling into the screening box 1 can be screened through the screening holes on the screening plate 6.
[0027] In this embodiment, as Figure 3 As shown, a second spring 15 is fixedly installed at the bottom end of the top rod 3, and the other end of the second spring 15 is fixedly connected to the bottom end of the inner wall of the top cylinder 5. The outer end face of the bottom of the top rod 3 slides against the inner wall of the top cylinder 5.
[0028] The cylindrical rollers falling into the screening box 1 can first pass through the two buffer plates 4, and the top rod 3 can be buffered by the second spring 15, so as to buffer the cylindrical rollers.
[0029] The upper end of the first supporting block 10 is fixedly provided with a triangular distributing block 12, and the triangular distributing block 12 is located below the buffer plate 4 and above the screening plate 6, and the upper end of the triangular distributing block 12 is provided with a circular arc chamfer.
[0030] The buffered cylindrical rollers can fall into the triangular distributing block 12, so as to be evenly distributed to the two screening plates 6, so as to be screened by the screening plate 6.
[0031] As shown in Figures 1-2 The inner top of the first supporting block 10 is uniformly fixedly provided with a plurality of first springs 14, and the lower end of the first spring 14 is fixedly installed on the upper end surface of the second supporting block 11. The lower end of the second supporting block 11 is movably penetrated through the lower end of the first supporting block 10, and is fixedly connected to the middle position of the inner bottom of the screening box 1. The top of the second supporting block 11 is slidably attached to the inner wall of the first supporting block 10 in the vertical direction.
[0032] When the cylindrical roller passes through the triangular distributing block 12, the first supporting block 10 is buffered by the first spring 14, so as to buffer the triangular distributing block 12, so as to further buffer the cylindrical rollers falling into the screening box 1, so as to protect the screening plate 6, prevent the cylindrical rollers from continuously impacting the screening plate 6, and cause the service life of the screening plate 6 to be reduced.
[0033] The inner bottom of the screening box 1, and the lower end of the two screening plates 6 are respectively placed with a second recycling box 9.
[0034] The two screening plates 6 are respectively provided with an outlet 13 at the end away from each other and connected with the screening box 1. The two outlets 13 are respectively fixedly connected with an outlet pipeline 7 at the end away from each other. The left and right ends of the bottom of the screening box 1 are respectively fixedly provided with a first recycling box 8 below the two outlet pipelines 7. The upper ends of the first recycling box 8 and the second recycling box 9 are provided with an open structure.
[0035] The qualified cylindrical rollers fall into the second recycling box 9 through the screening holes;
[0036] The unqualified cylindrical rollers roll into the outlet 13 along the screening plate 6, fall into the outlet pipeline 7, and finally fall into the first recycling box 8.
[0037] The front end of the screening box 1 is an operation port, and an operation door plate is installed at the operation port.
[0038] The operation door plate is opened, the inside of the screening box 1 can be maintained through the operation port, and the cylindrical rollers in the second recycling box 9 can be recycled.
[0039] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.
Claims
1. A cylindrical roller sifting device for a roller bearing, characterized in that The utility model provides a screening box, which comprises a screening box (1), a feeding pipe (2) is fixedly connected to the upper end of the screening box (1), buffer plates (4) are hingedly installed on the left and right walls at the top of the screening box (1), the buffer plate (4) on the right wall inside the screening box (1) is below the buffer plate (4) on the left wall inside the screening box (1), two top rods (3) are symmetrically hingedly installed at the lower ends of the buffer plates (4), top cylinders (5) are installed at the bottoms of the top rods (3), the other ends of the four top cylinders (5) are hingedly connected to the left and right wall surfaces inside the screening box (1). A first supporting block (10) is installed at the middle position of the bottom end inside the screening box (1), and inclined screening plates (6) are installed on the left and right sides of the first supporting block (10), a plurality of screening holes are uniformly arranged on the screening plates (6), and the distal ends of the two screening plates (6) away from each other are fixedly connected to the left and right wall surfaces inside the screening box (1).
2. A cylindrical roller sifting device of a roller bearing according to claim 1, characterized in that The bottom end of the top rod (3) is fixedly installed with a second spring (15), and the other end of the second spring (15) is fixedly connected to the inner wall bottom end of the top cylinder (5), and the bottom outer end surface of the top rod (3) is in sliding fit with the inner wall of the top cylinder (5).
3. A cylindrical roller sifter device for a roller bearing according to claim 2, wherein, The upper end of the first supporting block (10) is fixedly installed with a triangular distributing block (12), the triangular distributing block (12) is below the buffer plate (4) and above the screening plate (6), and the upper end of the triangular distributing block (12) is provided with a circular arc chamfer.
4. A cylindrical roller sifter device for a roller bearing according to claim 3, wherein A plurality of first springs (14) are uniformly fixedly installed at the top end inside the first supporting block (10), the lower ends of the first springs (14) are uniformly fixedly installed on the upper end surface of a second supporting block (11), the lower end of the second supporting block (11) is movably penetrated through the lower end of the first supporting block (10) and fixedly connected to the middle position of the bottom end inside the screening box (1), and the top of the second supporting block (11) is in sliding fit with the inner wall of the first supporting block (10) in the vertical direction.
5. A cylindrical roller sifter device for a roller bearing according to claim 4, wherein, Second recovery boxes (9) are placed at the bottom end inside the screening box (1) and below the two screening plates (6) respectively.
6. A cylindrical roller sifting device of a roller bearing according to claim 5, characterized in that Discharge ports (13) are formed at the connection positions of the distal ends of the two screening plates (6) away from each other and the screening box (1), discharge pipes (7) are fixedly and communicatively connected to the distal ends of the two discharge ports (13) away from each other, first recovery boxes (8) are fixedly installed at the left and right ends of the bottom of the screening box (1) and below the two discharge pipes (7) respectively, and the upper ends of the first recovery boxes (8) and the second recovery boxes (9) are provided in an open manner.
7. A cylindrical roller sifter device for a roller bearing according to claim 6, wherein, The front end of the screening box (1) is an operation port, and an operation door plate is installed at the operation port.