Flip tooling for simulating bearing in place

Abstract

The utility model relates to bearing production application equipment technical field, concretely is for simulating bearing installation's turnover frock, including frame, first axial compression block subassembly, second axial compression block subassembly, bottom plate, bottom guide rail, radial first lead screw, radial second lead screw, the frame is box type frame, first axial compression block subassembly two are a group, first axial compression block subassembly is provided with inner inflation structure, second axial compression block subassembly two are a group, two first axial compression block subassembly with two second axial compression block subassembly cross arrangement, present " ten " cross type distribution, second axial compression block subassembly is provided with inner inflation structure. It proposes a kind of design reasonable, simple structure, it is convenient to use, for simulating installation non-contact retainer's turnover frock, whether single-row tapered roller bearing inner assembly is dropped roller after assembly before delivery is verified, to guarantee bearing assembly quality.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing production and application equipment, and specifically relates to a turnover tooling for simulating bearing installation into a machine. Background Art

[0002] Single-row tapered bearings are widely used in fields such as automobiles, engineering machinery, machine tools and wind power generators due to their excellent radial and axial load-bearing capacities. Their structure consists of an inner ring, an outer ring, rollers and a cage. The rollers are tapered and in inclined contact with the inner ring raceway and the outer ring raceway. During assembly, it is necessary to ensure that the rollers are stably positioned in the cage pockets and between the large and small ribs of the inner ring; otherwise, the rollers are prone to falling off during installation into a machine or use, leading to failed installation, abnormal equipment noise, vibration or even failure, and in severe cases, safety accidents may be caused.

[0003] In the bearing production and installation links, verifying whether the rollers are prone to falling off is the key to ensuring assembly quality. Most traditional verification methods involve manually turning over and shaking the bearing with a sling, and judging the state of the rollers through hand feel or visual inspection. However, this method has obvious shortcomings: on the one hand, the force and angle of manual operation are not uniform, making it difficult to simulate the force and posture during actual machine installation (traditional ring turning will contact the cage, while turning after installation into the machine will not), resulting in poor verification accuracy and easy missed detection; on the other hand, the judgment relies on the experience of operators. If the personnel are not sensitive enough to loose rollers or cannot accurately identify abnormal states, bearings with potential roller falling risks are easily misjudged as qualified, which further reduces the reliability of verification. Utility Model Content

[0004] In view of the defects in the prior art, the utility model provides a turnover tooling for simulating bearing installation into a machine, which proposes a rationally designed, simple-structured and easy-to-use ring turning tooling that does not contact the cage during simulated machine installation, so as to verify whether the inner assembly of the single-row tapered bearing will lose rollers after assembly before leaving the factory, thereby ensuring the bearing assembly quality.

[0005] To achieve the above objectives, the technical solution provided by this utility model is a flipping fixture for simulating bearing assembly, comprising a frame, a first axial clamping block assembly, a second axial clamping block assembly, a base plate, a bottom guide rail, a first radial lead screw, and a second radial lead screw; the frame is a box-shaped frame; the first axial clamping block assemblies are arranged in pairs; the first axial clamping block assemblies are provided with an internal expansion structure; the second axial clamping block assemblies are arranged in pairs, with the two first axial clamping block assemblies and the two second axial clamping block assemblies intersecting in a cross shape; the second axial clamping block assemblies are provided with an internal expansion structure; Four base plates are provided, all located inside the frame; a gap is left between every two base plates; bearings are located on the base plates; a bottom guide rail is connected to the inner bottom surface of the frame; the bottom guide rail is located within the gap; the bottom guide rail has a cross-shaped structure; the inner expansion structure is perpendicular to the bottom guide rail; a radial first lead screw passes through two first axial clamping block assemblies; the two first axial clamping block assemblies slide back and forth on the radial first lead screw; a radial second lead screw is intersected with the radial first lead screw on the bottom guide rail, arranged in a "+" shape; the radial second lead screw passes through two second axial clamping block assemblies; the two second axial clamping block assemblies slide back and forth on the radial second lead screw.

[0006] Furthermore, the internal expansion structure is provided with a short lead screw, one end of which is connected to the axial guide rail and the other end is connected to an auxiliary pad block; an axial clamping block is provided on the short lead screw, the axial clamping block is provided with a small sliding groove, and a small slider is provided on the axial guide rail; the small sliding groove and the small slider cooperate with each other; the axial clamping block slides up and down on the axial slide rail.

[0007] Furthermore, the axial clamping block is provided with an arc-shaped boss, which contacts the end face of the bearing.

[0008] Furthermore, a screw bearing is provided on the side of the short screw near the auxiliary pad; the auxiliary pad is provided with a locking wrench.

[0009] Furthermore, a large groove is provided at one end of the axial guide rail near the bottom guide rail; a large slider is provided on the bottom guide rail; the large groove cooperates with the large slider.

[0010] Furthermore, one of the first axial clamping block assemblies is provided with a first wrench, and one of the second axial clamping block assemblies is provided with a second wrench.

[0011] Furthermore, the frame is provided with a first tail fixing block and a second tail fixing block; the bottom guide rail is provided with a first head fixing block and a second head fixing block; one end of the radial first lead screw is connected to the first head fixing block and the other end is connected to the first tail fixing block; one end of the radial second lead screw is connected to the second head fixing block and the other end is connected to the second tail fixing block.

[0012] Furthermore, the base plate has a square structure; a support column is provided between the base plate and the inner bottom surface of the frame.

[0013] Furthermore, each side of the frame is provided with a lifting ring.

[0014] The method of using the aforementioned flipping fixture for simulating bearing assembly includes the following steps: S100. Slide the two first axial clamping block assemblies along the radial first lead screw to bring the two first axial clamping block assemblies closer to each other. S200. Slide the two second axial clamping block assemblies along the radial second lead screw to bring the two second axial clamping block assemblies closer to each other. S300, Place the bearing on the base plate; S400, slide the two first axial clamping block assemblies along the radial first lead screw, so that the two first axial clamping block assemblies move closer to the bearing; S500, slide the two second axial clamping block assemblies along the radial second lead screw, so that the two first axial clamping block assemblies move closer to the bearing; S600, tighten the first wrench, then the second wrench; S700. Slide the axial clamping block along the short lead screw so that the arc-shaped boss contacts the bearing end face. S800, tighten the locking wrench to press the bearing; S900. When attaching the crane to the lifting ring, at least one lifting ring position must be left empty. S1000, pull up the lifting ring, rotate the frame 180°, and observe the bearing condition.

[0015] The beneficial effects of this utility model are as follows: This utility model provides a tooling for simulating the state of the internal components of a bearing during customer assembly and rotation. This device is reasonably designed, simple in structure, and easy to operate. By simulating the installation posture, stress conditions, and rotation actions of the bearing during actual assembly, it achieves accurate and efficient verification of whether the rollers have fallen off, thus solving the problems of interference with the cage, low accuracy, and poor reliability in traditional manual verification methods, and ensuring the assembly quality of the bearing. Attached Figure Description

[0016] Figure 1 This is a usage state diagram of step S500 of this utility model; Figure 2 This is a usage state diagram of step S700 of this utility model; Figure 3 This is a usage state diagram of step S1000 of this utility model; Figure 4 This is a schematic diagram of the frame structure of this utility model; Figure 5 This is a schematic diagram of the structure of this utility model; Figure 6 for Figure 5 Enlarged view of a portion at point A; Figure 7 for Figure 5 A magnified view of section B; Figure 8 This is a schematic diagram of the internal expansion structure of this utility model; In the diagram: 100, frame; 110, first tail fixing block; 120, second tail fixing block; 130, lifting ring. 200. First axial clamping block assembly; 210. First wrench; 300. Second axial clamping block assembly; 310. Second wrench; 400, base plate; 410, support column; 500. Bottom guide rail; 510. Large slider; 520. First end fixing block; 530. Second end fixing block. 600, Radial first lead screw, 700, Radial second lead screw, 800. Internal expansion structure; 810. Short lead screw; 820. Axial guide rail; 821. Small slider; 822. Large slide groove; 830. Auxiliary pad block; 831. Locking wrench; 840. Axial clamping block; 841. Small slide groove; 842. Arc-shaped boss; 850. Lead screw bearing. Detailed Implementation

[0017] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0018] This utility model belongs to the field of bearing production and processing equipment, aiming to solve the problem of roller detachment in traditional verification of single-row tapered bearings and ensure bearing assembly quality. Single-row tapered bearings are widely used, and their rollers need to be stably positioned; otherwise, it will affect the installation, easily lead to equipment failure, or even safety accidents. Traditional flipping verification methods cannot simulate the actual installation state (they will come into contact with the cage), rely on experience, and are prone to missed detections and misjudgments, resulting in poor reliability. This fixture includes an outer frame 100, a base plate 400, an inner expansion structure 800, and a radial adjustment device. The frame 100 can fully accommodate the internal components of the bearing, and the base plate 400 supports and restricts its axial movement; the guide rail guides the smooth sliding of the inner expansion structure 800, which can fix the bearing; the adjustment device is adapted to bearings of different sizes, and the lifting ring 130 on the side of the fixture facilitates lifting, flipping, observation, and fixture handling. It can simulate the actual installation posture and flipping action, accurately verify whether the rollers have detached, solve the defects of traditional methods, and is reasonably designed, simple in structure, and easy to operate.

[0019] like Figure 1-8 As shown, in one embodiment of this utility model, a flipping fixture for simulating bearing assembly includes a frame 100, a first axial clamping block 840 assembly 200, a second axial clamping block 840 assembly 300, a base plate 400, a bottom guide rail 500, a first radial lead screw 600, and a second radial lead screw 700. The frame 100 is a box-shaped frame 100. Two first axial clamping block 840 assemblies 200 are arranged as a group. The first axial clamping block 840 assembly 200 is provided with an internal expansion structure 800. Two second axial clamping block 840 assemblies 300 are arranged as a group, with the two first axial clamping block 840 assemblies 200 and the two second axial clamping block 840 assemblies 300 arranged crosswise in a "+" shape. The second axial clamping block 840 assembly 300 is provided with an internal expansion structure 800. There are four base plates 400, all located inside the frame 100; a gap is left between every two base plates 400; bearings are located on the base plates 400; a bottom guide rail 500 is connected to the inner bottom surface of the frame 100; the bottom guide rail 500 is located within the gap; the bottom guide rail 500 has a cross-shaped structure; the inner expansion structure 800 is perpendicular to the bottom guide rail 500; a radial first lead screw 600 passes through two first axial clamping block 840 assemblies 200; the two first axial clamping block 840 assemblies 200 slide back and forth on the radial first lead screw 600; a radial second lead screw 700 is arranged crosswise with the radial first lead screw 600 on the bottom guide rail 500, forming a cross shape; the radial second lead screw 700 passes through two second axial clamping block 840 assemblies 300; the two second axial clamping block 840 assemblies 300 slide back and forth on the radial second lead screw 700.

[0020] In one embodiment, the internal expansion structure 800 is provided with a short lead screw 810, one end of which is connected to the axial guide rail 820 and the other end is connected to the auxiliary pad block 830; the short lead screw 810 is provided with an axial clamping block 840, the axial clamping block 840 is provided with a small sliding groove 841, and the axial guide rail 820 is provided with a small slider 821; the small sliding groove 841 and the small slider 821 cooperate; the axial clamping block 840 slides up and down on the axial guide rail.

[0021] In one embodiment, the axial clamping block 840 is provided with an arc-shaped boss 842, which contacts the end face of the bearing.

[0022] In one embodiment, a lead screw bearing 850 is provided on the side of the short lead screw 810 near the auxiliary pad 830; a locking wrench 831 is provided on the auxiliary pad 830.

[0023] In one embodiment, a large groove 822 is provided at one end of the axial guide rail 820 near the bottom guide rail 500; a large slider 510 is provided on the bottom guide rail 500; the large groove 822 and the large slider 510 cooperate with each other.

[0024] In one embodiment, one of the first axial clamping block 840 components 200 is provided with a first wrench 210, which is disposed on the axial guide rail 820 and close to the large slide groove 822; one of the second axial clamping block 840 components 300 is provided with a second wrench 310, which is disposed on the axial guide rail 820 and close to the large slide groove 822.

[0025] In one embodiment, the frame 100 is provided with a first tail fixing block 110 and a second tail fixing block 120; the bottom guide rail 500 is provided with a first head fixing block 520 and a second head fixing block 530; one end of the radial first lead screw 600 is connected to the first head fixing block 520 and the other end is connected to the first tail fixing block 110; one end of the radial second lead screw 700 is connected to the second head fixing block 530 and the other end is connected to the second tail fixing block 120.

[0026] In one embodiment, the base plate 400 is a square structure; a support column 410 is provided between the base plate 400 and the inner bottom surface of the frame 100.

[0027] In one embodiment, each side of the frame 100 is provided with a lifting ring 130.

[0028] It should be noted that, in order to achieve the purpose of the appeal, this utility model designs a tooling that simulates the flipping state during assembly, including an outer frame 100, which is used to contain the entire bearing inner assembly and various components of the tooling; a base plate 400 for supporting the bearing inner assembly; and an inner expansion structure 800, a first wrench 210 and a second wrench 310 device for fixing the bearing inner assembly within a certain size range.

[0029] As a preferred option, a frame 100 with a square base is constructed as the main structure of the tooling. This frame 100 is welded from 60*60mm steel pipes, and its base side length is adapted to the maximum size of the bearing's internal components. This ensures that a certain operating clearance is reserved on the inner side of the frame 100, avoiding interference with the bearing's internal components and providing sufficient space for the cage to move during subsequent ring-flipping operations. The effective height of the main frame 100 is set according to the maximum overall height of the internal components (including the total height of the inner ring and cage protrusions), ensuring that the internal components are completely contained within it. Specifically, the effective height of the inner side of the frame 100 is 10-15mm greater than the maximum overall height of the internal components. This prevents the small end face of the cage from contacting other planes after the internal components are flipped. The inner frame 100 has four base plates 400 to support the bearing's internal components and restrict axial movement.

[0030] The bottom guide rail 500 (for the sliding guide of the inner expansion structure 800) is laid inside the frame 100 and serves as the track for the sliding components of the inner expansion structure 800. The inner expansion structure 800 is connected by a T-shaped large slider 510, providing a linear motion path for the inner expansion structure 800 and other components, allowing it to slide smoothly along the guide rail and avoid deviation. Simultaneously, it firmly connects the inner expansion structure 800 to the frame 100, providing a foundation for the inner expansion structure 800 to position the bearing assembly within the tooling and complete subsequent rotation operations.

[0031] The internal expansion structure 800 (bearing positioning, with four axial clamping blocks 840 as a group) is a key gripper that directly acts on the bearing internal assembly. During operation, it can expand the inner diameter of the bearing internal assembly's inner ring, press the small end face of the bearing internal assembly, and fix the bearing internal assembly within the tooling frame 100, preventing the bearing from moving axially or radially during the ring flipping process.

[0032] The four axial adjustment T-type short lead screws 810 are responsible for adjusting the position of the inner expansion structure 800 along the bearing axis. Utilizing the helical drive of the T-type lead screws, rotating them causes the axial clamping blocks 840 of the inner expansion structure 800 (the size of the clamping blocks is adapted to inner components with an inner ring small end face width of 7mm or more; the axial width of the inner ring can be adjusted within 50-160mm) to move along the axis of the bearing inner component. The operator adjusts the clamping blocks to press them against the small end face of the bearing, thus positioning the axial movement of the bearing inner component.

[0033] The radially adjusting T-screw assembly (radial first screw 600 and radial second screw 700) is responsible for adjusting the position of the inner expansion structure 800 within its circle. Also relying on the helical drive of the T-screws, rotating the screws causes the two pairs of inner expansion structures 800 to move radially. For bearings with different inner diameters, changing the radial position of the inner expansion structure 800 allows the axial clamping block 840 to precisely fit the inner diameter of the bearing's inner ring (achieving radial adjustment from Φ500 to Φ1000 mm), effectively tightening the bearing. Combined with axial adjustment, this precisely positions the bearing from two directions, preparing it for ring flipping.

[0034] Lifting rings 130 can be installed on all four sides of the tooling, serving as connection points between the tooling and lifting equipment. During operation, it can be tilted in conjunction with a crane, and the entire tooling can be lifted to observe the rolling condition of the bearing internal components after tilting. Before and after operation, the lifting rings 130 can be used to move and transfer the entire tooling, facilitating the scheduling of tooling at different workstations and workshops, and improving the flexibility and convenience of tooling use.

[0035] The method of using the flipping fixture for simulating bearing assembly includes the following steps. S100, slide the two first axial clamping block 840 assemblies 200 along the radial first lead screw 600 so that the two first axial clamping block 840 assemblies 200 move closer to each other; S200, slide the two second axial clamping block 840 assemblies 300 along the radial second lead screw 700 so that the two second axial clamping block 840 assemblies 300 move closer to each other; S300, Place the bearing on the base plate 400; S400, slide the two first axial clamping blocks 840 assemblies 200 along the radial first lead screw 600, so that the two first axial clamping blocks 840 assemblies 200 move closer to the bearing; S500, slide the two second axial clamping block 840 assemblies 300 along the radial second lead screw 700, so that the two first axial clamping block 840 assemblies 200 move closer to the bearing; S600, tighten the first wrench 210, the second wrench 310; S700, slide the axial clamping block 840 along the short lead screw 810 so that the arc-shaped boss 842 contacts the bearing end face; S800, tightening and locking wrench 831, for clamping bearings; S900. When attaching the crane to the lifting ring 130, at least one lifting ring 130 position must be left empty. S1000, pull up the lifting ring 130, rotate the frame 100 180°, and observe the bearing condition.

[0036] The above-mentioned method for using the rotating fixture for simulating bearing assembly is as follows: 1. Adjust the internal expansion assembly to the appropriate size according to the product size, place the product on the fixture platform, and use a ratchet wrench to turn the T-type screw (with self-locking function) to tighten the bearing inner ring, and tighten the guide rail clamps (first wrench 210 and second wrench 310); 2. Turn the ratchet wrench to turn the T-type screw (with self-locking function) axial clamping block 840 and tighten the screw locking wrench 831 (locking wrench 831) to press the small end face of the bearing. The above operations can achieve a stable and secure radial and axial clamping of the bearing internal assembly; 3. Tighten the M20 lifting ring 130, leaving at least one lifting ring 130 position to facilitate the gantry crane to rotate the equipment 180 degrees; 4. Install the remaining M20 lifting rings 130 (all lifting rings 130 need to be tightened), lift the fixture, and observe the condition of the internal assembly.

[0037] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it can be directly on the other element or there may be an intermediate element present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element present. The terms "vertical," "horizontal," "above," "below," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible embodiments.

Claims

1. A flipping fixture for simulating bearing assembly, characterized in that: include The frame is a box-shaped frame; The first axial clamping block assembly consists of two units; the first axial clamping block assembly is provided with an internal expansion structure. The second axial clamping block assembly consists of two units, with the two first axial clamping block assemblies and the two second axial clamping block assemblies arranged in a cross shape, forming a "+" distribution; the second axial clamping block assembly is provided with an internal expansion structure; There are four base plates, all located inside the frame; a gap is left between every two base plates; bearings are mounted on the base plates; The bottom guide rail is connected to the inner bottom surface of the frame; the bottom guide rail is disposed within the gap; the bottom guide rail has a cross-shaped structure; the inner expansion structure is perpendicular to the bottom guide rail. A radial first lead screw passes through two first axial clamping block assemblies; the two first axial clamping block assemblies slide back and forth on the radial first lead screw; The radial second lead screw is arranged intersecting the radial first lead screw on the bottom guide rail in a cross shape; the radial second lead screw passes through two second axial clamping block assemblies; the two second axial clamping block assemblies slide back and forth on the radial second lead screw.

2. The flipping fixture for simulating bearing assembly according to claim 1, characterized in that: The internal expansion structure is equipped with a short lead screw, one end of which is connected to the axial guide rail, and the other end is connected to an auxiliary pad block; an axial clamping block is provided on the short lead screw, the axial clamping block is provided with a small sliding groove, and a small slider is provided on the axial guide rail; the small sliding groove and the small slider cooperate; the axial clamping block slides up and down on the axial guide rail.

3. The flipping fixture for simulating bearing assembly according to claim 2, characterized in that: The axial clamping block is provided with an arc-shaped boss, which contacts the end face of the bearing.

4. The flipping fixture for simulating bearing assembly according to claim 2, characterized in that: A lead screw bearing is provided on the side of the short lead screw near the auxiliary pad; a locking wrench is provided on the auxiliary pad.

5. The flipping fixture for simulating bearing assembly according to claim 2, characterized in that: The axial guide rail has a large groove at one end near the bottom guide rail; the bottom guide rail has a large slider; the large groove cooperates with the large slider.

6. The flipping fixture for simulating bearing assembly according to claim 1, characterized in that: One of the first axial clamping block assemblies is provided with a first wrench, and one of the second axial clamping block assemblies is provided with a second wrench.

7. The flipping fixture for simulating bearing assembly according to claim 1, characterized in that: The frame is provided with a first tail fixing block and a second tail fixing block; the bottom guide rail is provided with a first head fixing block and a second head fixing block; one end of the radial first lead screw is connected to the first head fixing block and the other end is connected to the first tail fixing block; one end of the radial second lead screw is connected to the second head fixing block and the other end is connected to the second tail fixing block.

8. The flipping fixture for simulating bearing assembly according to claim 1, characterized in that: The base plate has a square structure; a support column is provided between the base plate and the inner bottom surface of the frame.

9. The flipping fixture for simulating bearing assembly according to claim 1, characterized in that: The frame is equipped with lifting rings on all sides.

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