Needle bearing detection and installation apparatus

Abstract

The utility model discloses a needle roller bearing detection installation equipment, including work table, the work table is sequentially provided with needle feeding station, detection station and installation station, the needle feeding station is used for placing needle roller assembly, the installation station is used for placing the bearing of installation, needle feeding mechanism sets up on the work table for with needle feeding station on needle roller assembly transmission to detection station, detection mechanism sets up on the work table for detecting the needle roller assembly's needle roller number on detection station, dress needle mechanism sets up on the work table for with the needle roller assembly of detection on detection station installation to place on the bearing of installation on installation station. The utility model arranges three key steps of needle feeding, detection, installation in order on the same work table, forms the assembly line type operation, reduces manual intervention, improves assembly efficiency and consistency, and completes detection before dress needle, improves the yield of finished product bearing.

Description

Technical Field

[0001] This utility model relates to the field of bearing processing technology, and more specifically, to a needle roller bearing testing and installation device. Background Technology

[0002] Needle roller bearings are roller bearings with cylindrical rollers that are both thin and long relative to their diameter. These rollers are called needle rollers. Despite their small cross-section, the bearings still have a high load-carrying capacity. Needle roller bearings are equipped with thin and long rollers, resulting in a compact radial structure. With the same inner diameter and load capacity as other types of bearings, they have the smallest outer diameter, making them particularly suitable for support structures where radial installation space is limited.

[0003] When installing needle roller bearings, the needle rollers and cage are first assembled to form a needle roller assembly, and then the needle roller assembly is installed into the bearing; however, it is difficult to ensure the number of needle rollers installed during installation, which affects the yield of needle roller bearings.

[0004] Currently, needle roller bearing installation is carried out both manually and through automated installation and testing equipment, resulting in low production efficiency and high production costs.

[0005] The patent with publication number CN119619144A discloses an integrated processing and testing equipment for needle roller bearings and its processing technology. The equipment first installs the needle roller bearings and then performs testing. Although the equipment improves production efficiency, products that fail the test still need to be manually disassembled and reassembled, resulting in high production costs.

[0006] Therefore, it is necessary to provide a needle roller bearing testing and installation device to solve the above problems. Utility Model Content

[0007] The purpose of this invention is to provide a needle roller bearing testing and installation device to overcome the above-mentioned defects in the prior art.

[0008] The technical solution to achieve the purpose of this utility model is: a needle roller bearing testing and installation device, comprising...

[0009] The workbench is provided with a needle feeding station, a testing station and an installation station arranged in sequence. The needle feeding station is used to place the needle roller assembly and the installation station is used to place the bearing to be installed.

[0010] A needle feeding mechanism, mounted on the worktable, is used to transfer the needle roller assembly on the needle feeding station to the inspection station;

[0011] A testing mechanism, set on the workbench, is used to test the number of needles in the needle roller assembly at the testing station;

[0012] A needle mounting mechanism, located on the worktable, is used to mount the inspected needle roller assembly at the inspection station onto the bearing to be installed at the mounting station.

[0013] Furthermore, the needle feeding mechanism includes a support frame, a feed bar, a first cylinder, and a gripper assembly; the support frame is fixed on the worktable; the feed bar is fixed on the support frame and located above the needle feeding station, the bottom of the feed bar is at a distance from the needle feeding station equal to the height of the needle roller assembly, and the needle roller assemblies are sequentially sleeved on the feed bar from top to bottom; the gripper assembly is fixed at the output end of the first cylinder, and the first cylinder drives the gripper assembly to transfer the needle roller assembly from the needle feeding station to the detection station.

[0014] Furthermore, a baffle plate is also provided on the worktable. The baffle plate is arranged on both sides of the gripper assembly along the transmission direction of the gripper assembly, thereby limiting the movement direction of the needle roller assembly.

[0015] Furthermore, the detection mechanism is an infrared sensing sensor.

[0016] Furthermore, the needle loading mechanism includes a housing, a needle picker head assembly, a drive motor, a second cylinder, and a third cylinder; the needle picker head assembly is retractably installed in the cavity of the housing, and is located above the detection station for gripping the roller needle assembly located at the detection station; the second cylinder and the third cylinder are provided on the worktable, and the output ends of the second cylinder and the third cylinder are respectively fixedly connected to the housing; the second cylinder is used to control the movement of the needle picker head assembly above the detection station and the installation station, and the third cylinder is used to control the lifting and lowering of the housing.

[0017] Furthermore, the needle retrieval head assembly includes a cylindrical needle retrieval head and a spring, one end of which is fixedly connected to the housing and the other end of which is fixedly connected to the needle retrieval head; the diameter of the needle retrieval head is equal to the inner diameter of the needle roller assembly.

[0018] Furthermore, the side wall of the housing is provided with a strip-shaped hole along the extension and retraction direction of the spring, and a limiting block is fixedly connected to the needle picker head, the limiting block being located in the strip-shaped hole; the bottom of the housing is provided with a pressure frame needle, the inner diameter of the pressure frame needle being larger than the inner diameter of the needle picker head and smaller than the outer diameter of the roller needle assembly.

[0019] Furthermore, the needle holder head is made of acetal steel.

[0020] Furthermore, the third cylinder is fixed on the workbench, the second cylinder is fixed at the output end of the third cylinder, and the output end of the second cylinder is fixedly connected to the housing.

[0021] Furthermore, the third cylinder is a segmented cylinder.

[0022] By adopting the above technical solution, this utility model has the following beneficial effects:

[0023] (1) This utility model arranges the three key steps of needle feeding, testing and installation in sequence on the same workbench to form an assembly line operation; it reduces manual intervention and improves assembly efficiency and consistency; and it completes testing before needle installation, which improves the yield of finished bearings.

[0024] (2) The needle feeding mechanism of this utility model adopts the method of vertically stacking the needle roller assembly with the material stringing bar to realize automatic feeding. It has a simple structure and high space utilization. The bottom height of the material stringing bar is consistent with the height of the needle roller assembly, ensuring that only one assembly is taken at a time, preventing multiple take-ups or jamming. The gripper assembly is driven by a cylinder, with precise action and fast response, suitable for high-frequency automated operation.

[0025] (3) The baffle plate of this utility model restricts the lateral displacement of the gripper during the transmission process and prevents the needle roller assembly from shaking or falling during movement.

[0026] (4) The infrared sensor of this utility model has a fast response speed and non-contact detection, which will not damage the needle roller assembly; it can realize real-time online detection, timely detect abnormalities such as missing needles and multiple needles, and prevent defective products from flowing into the next process.

[0027] (5) The second cylinder controls the horizontal movement and the third cylinder controls the vertical lifting, so as to achieve precise positioning of needle picking and needle putting.

[0028] (6) The spring connection of this utility model achieves flexible contact and has a buffering effect when pressing in or taking out the needle roller assembly, avoiding damage to the parts caused by rigid impact; the outer diameter of the needle pick head is equal to the inner diameter of the needle roller assembly, achieving interference fit or tight fit gripping, and the grip is firm and not easy to fall off.

[0029] (7) The strip hole of this utility model restricts the needle picker head to extend and retract only along the axial direction, preventing rotation or swaying, ensuring the accuracy of motion guidance, and the overall structure takes into account both the reliability of gripping and the safety of installation, significantly improving the assembly success rate.

[0030] (8) The use of acetal in this utility model can reduce the risk of scratching metal needle rollers and protect the surface quality of the product.

[0031] (9) The design of the third cylinder and the second cylinder of this utility model makes it easy to control the independent action of each degree of freedom, and facilitates programming and debugging; it improves the dynamic stability and positioning accuracy of the equipment operation.

[0032] (10) The third cylinder of this utility model is a segmented cylinder, which works in conjunction with the detection mechanism to realize the detection and installation of the needle roller assembly in segments. Attached Figure Description

[0033] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein...

[0034] Figure 1 This is a cross-sectional view of the present invention.

[0035] Figure 2 This is a partial sectional view of the needle loading mechanism.

[0036] 1. Workbench; 1-1. Needle feeding station; 1-2. Inspection station; 1-3. Installation station;

[0037] 2. Needle feeding mechanism; 2-1. Support frame; 2-2. Feeding bar; 2-3. First cylinder; 2-4. Gripper assembly; 2-5. Baffle plate;

[0038] 3. Testing institutions;

[0039] 4. Needle loading mechanism; 4-1. Housing; 4-1-1. Strip hole; 4-1-2. Needle holder; 4-2. Needle picker head assembly; 4-2-1. Needle picker head; 4-2-2. Spring; 4-2-3. Limiting block;

[0040] 4-3, drive motor; 4-4, second cylinder; 4-5, third cylinder. Detailed Implementation

[0041] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0042] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0043] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0044] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0045] In the description of the embodiments of this utility model, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They 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 component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0046] In the description of the embodiments of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The utility model will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of this utility model and should not be used to limit the scope of protection of this utility model.

[0047] (Example 1)

[0048] A needle roller bearing testing and installation device, see Figure 1 The system includes a worktable 1, on which a needle feeding station 1-1, an inspection station 1-2, and an installation station 1-3 are sequentially arranged. The needle feeding station 1-1 is used to place the needle roller assembly, and the installation station 1-3 is used to place the bearing to be installed. The needle roller assembly consists of needle rollers and a cage. The worktable 1 is also equipped with a needle feeding mechanism 2, an inspection mechanism 3, and a needle loading mechanism 4.

[0049] The needle feeding mechanism 2 includes a support frame 2-1, a feed bar 2-2, a first cylinder 2-3, and a gripper assembly 2-4. The support frame 2-1 is fixed on the workbench 1. The feed bar 2-2 is fixed on the support frame 2-1 and located above the needle feeding station 1-1. The bottom of the feed bar 2-2 is at a distance from the needle feeding station 1-1 equal to the height of the needle roller assembly. The needle roller assemblies are sequentially mounted on the feed bar 2-2 from top to bottom. The gripper assembly 2-4 is fixed at the output end of the first cylinder 2-3. The first cylinder 2-3 drives the gripper assembly 2-4 to transfer the needle roller assembly from the needle feeding station 1-1 to the inspection station 1-2. A baffle plate 2-5 is also provided on the workbench 1. The baffle plate 2-5 is arranged on both sides of the gripper assembly 2-4 along the transmission direction of the gripper assembly 2-4, limiting the movement direction of the needle roller assembly. Automatic feeding is achieved by vertically stacking needle roller assemblies using a feed bar. The structure is simple and space utilization is high. The bottom height of the feed bar is the same as the height of the needle roller assembly, ensuring that only one assembly is picked up at a time, preventing multiple picking or jamming. The gripper assembly is driven by a cylinder, which is precise and responsive, suitable for high-frequency automated operation. The baffle plate limits the lateral displacement of the gripper during the transmission process, preventing the needle roller assembly from shaking or falling during movement.

[0050] The needle loading mechanism 4 includes a housing 4-1, a needle picker head assembly 4-2, a drive motor 4-3, a second cylinder 4-4, and a third cylinder 4-5. The needle picker head assembly 4-2 is telescopically mounted in the cavity of the housing 4-1 and is located above the detection station 1-2 for gripping the roller needle assembly located on the detection station 1-2. The second cylinder 4-4 and the third cylinder 4-5 are mounted on the worktable 1, and their output ends are fixedly connected to the housing 4-1. The second cylinder 4-4 is used to control the movement of the needle picker head assembly 4-2 above the detection station 1-2 and the installation station 1-3, and the third cylinder 4-5 is used to control the lifting and lowering of the housing 4-1.

[0051] Further, see Figure 2The needle picker head assembly 4-2 includes a cylindrical needle picker head 4-2-1 and a spring 4-2-2. One end of the spring 4-2-2 is fixedly connected to the housing 4-1, and the other end is fixedly connected to the needle picker head 4-2-1. The diameter of the needle picker head 4-2-1 is equal to the inner diameter of the needle roller assembly. The side wall of the housing 4-1 is provided with a strip-shaped hole 4-1-1 along the extension and retraction direction of the spring 4-2-2. A limiting block 4-2-3 is fixedly connected to the needle picker head 4-2-1, and the limiting block 4-2-3 is located in the strip-shaped hole 4-1-1. The bottom of the housing 4-1 is provided with a pressure needle head 4-1-2. The inner diameter of the pressure needle head 4-1-2 is larger than the inner diameter of the needle picker head 4-2-1 and smaller than the outer diameter of the needle roller assembly. The spring connection provides flexible contact, cushioning the needle roller assembly during insertion or removal and preventing damage from rigid impacts. The outer diameter of the needle pick head is equal to the inner diameter of the needle roller assembly, achieving an interference fit or tight fit for secure gripping and preventing detachment. The slotted hole restricts the needle pick head to axial extension and retraction, preventing rotation or swaying and ensuring motion guidance accuracy. The overall structure balances gripping reliability and installation safety, significantly improving assembly success rate.

[0052] Furthermore, the needle holder head 4-2-1 is made of acetal steel.

[0053] Furthermore, the third cylinder 4-5 is fixed on the worktable 1, the second cylinder 4-4 is fixed at the output end of the third cylinder 4-5, and the output end of the second cylinder 4-4 is fixedly connected to the housing 4-1; the third cylinder 4-5 is a two-stage cylinder.

[0054] Furthermore, the detection mechanism 3 is an infrared sensor. The infrared sensor is installed above the worktable 1, and the third cylinder 4-5 is a two-stage cylinder. When it moves upward to the first stage, the needle roller assembly on the needle holder head 4-2-1 is exactly aligned with the infrared sensor.

[0055] The working steps of this embodiment are as follows:

[0056] (1) Arrange the needle roller assembly correctly on the feed bar 2-2. After the feed bar 2-2 is placed on the corresponding support frame 2-1, the bottom of the feed bar 2-2 is just enough to leave the height of one needle roller assembly from the table surface so that the needle roller assembly can move smoothly.

[0057] (2) The gripper assembly 2-4 grips the needle roller assembly, and the first cylinder 2-3 transfers the needle roller assembly in the gripper assembly 2-4 to the inspection station 1-2;

[0058] (3) The third cylinder 4-5 moves downward, the needle holder head 4-2-1 is inserted into the needle roller assembly, and the third cylinder 4-5 moves upward to the first section, so that the needle roller assembly is directly facing the irradiation position of the infrared sensor of the detection mechanism 3.

[0059] (4) The drive motor 4-3 starts and drives the needle roller assembly to rotate. The infrared sensor starts to sense the distance to the needle roller assembly. When the needle roller assembly rotates to the position of the needle roller, the value on the infrared sensor will change significantly. If it is within the set range, it means that there is a needle roller. After the drive motor 4-3 drives the needle roller assembly to rotate one revolution, the number of times the infrared sensor is within the set range is the number of needle rollers. This can detect whether the needle rollers on the needle roller assembly are accurate. If they are accurate, proceed to the next step. Otherwise, transmit a signal to the equipment and alarm to stop.

[0060] (5) The third cylinder 4-5 moves upward to the second section, and the second cylinder 4-4 transfers the needle roller assembly on the needle picker head 4-2-1 to the top of the bearing to be installed;

[0061] (6) The third cylinder 4-5 moves downward, inserting the needle roller assembly into the bearing. The needle picker head remains stationary on the end face of the bearing spindle, while the third cylinder 4-5 continues to move downward. The spring 4-2-2 compresses inward to ensure that the needle picker head 4-2-1 remains stationary, while the needle presser head 4-1-2 moves downward continuously under the action of the cylinder force until the needle roller assembly is pressed to the required position.

[0062] (7) The third cylinder 4-5 and the second cylinder 4-4 transfer the needle picker head 4-2-1 to the top of the detection station 1-2, and repeat the first step.

[0063] This embodiment arranges the three key steps of needle feeding, inspection, and installation sequentially on the same workbench, forming an assembly line operation; it reduces manual intervention, improves assembly efficiency and consistency; and completes inspection before needle installation, improving the yield rate of finished bearings.

[0064] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A needle roller bearing testing and installation device, characterized in that: include A workbench (1) is provided with a needle feeding station (1-1), an inspection station (1-2) and an installation station (1-3) arranged in sequence. The needle feeding station (1-1) is used to place the needle roller assembly, and the installation station (1-3) is used to place the bearing to be installed. A needle feeding mechanism (2) is provided on the worktable (1) for transferring the needle roller assembly on the needle feeding station (1-1) to the detection station (1-2); The testing mechanism (3) is set on the workbench (1) and is used to test the number of needle rollers in the needle roller assembly on the testing station (1-2); The needle mounting mechanism (4) is set on the worktable (1) and is used to install the tested needle roller assembly on the testing station (1-2) onto the bearing to be installed on the installation station (1-3).

2. The needle roller bearing testing and installation equipment according to claim 1, characterized in that: The needle feeding mechanism (2) includes a support frame (2-1), a feed bar (2-2), a first cylinder (2-3), and a gripper assembly (2-4). The support frame (2-1) is fixed on the workbench (1). The feed bar (2-2) is fixed on the support frame (2-1) and located above the needle feeding station (1-1). The bottom of the feed bar (2-2) is at a distance from the needle feeding station (1-1) equal to the height of the needle roller assembly. The needle roller assemblies are sequentially mounted on the feed bar (2-2) from top to bottom. The gripper assembly (2-4) is fixed at the output end of the first cylinder (2-3). The first cylinder (2-3) drives the gripper assembly (2-4) to transfer the needle roller assembly from the needle feeding station (1-1) to the detection station (1-2).

3. The needle roller bearing testing and installation equipment according to claim 2, characterized in that: The workbench (1) is also provided with a baffle plate (2-5), which is arranged on both sides of the gripper assembly (2-4) along the transmission direction of the gripper assembly (2-4) to limit the movement direction of the needle roller assembly.

4. The needle roller bearing testing and installation equipment according to claim 1, characterized in that: The detection mechanism (3) is an infrared sensing sensor.

5. The needle roller bearing testing and installation equipment according to claim 1, characterized in that: The needle loading mechanism (4) includes a housing (4-1), a needle picker head assembly (4-2), a drive motor (4-3), a second cylinder (4-4), and a third cylinder (4-5). The needle picker head assembly (4-2) is telescopically installed in the cavity of the housing (4-1). The needle picker head assembly (4-2) is located above the detection station (1-2) and is used to pick up the roller needle assembly located on the detection station (1-2). The second cylinder (4-4) and the third cylinder (4-5) are provided on the worktable (1). The output ends of the second cylinder (4-4) and the third cylinder (4-5) are fixedly connected to the housing (4-1). The second cylinder (4-4) is used to control the movement of the needle picker head assembly (4-2) above the detection station (1-2) and the installation station (1-3). The third cylinder (4-5) is used to control the lifting and lowering of the housing (4-1).

6. The needle roller bearing testing and installation equipment according to claim 5, characterized in that: The needle picker head assembly (4-2) includes a cylindrical needle picker head (4-2-1) and a spring (4-2-2). One end of the spring (4-2-2) is fixedly connected to the housing (4-1), and the other end is fixedly connected to the needle picker head (4-2-1). The diameter of the needle picker head (4-2-1) is equal to the inner diameter of the needle roller assembly.

7. The needle roller bearing testing and installation equipment according to claim 6, characterized in that: The side wall of the housing (4-1) is provided with a strip hole (4-1-1) along the extension and retraction direction of the spring (4-2-2). A limiting block (4-2-3) is fixedly connected to the needle pick head (4-2-1), and the limiting block (4-2-3) is located in the strip hole (4-1-1). The bottom of the housing (4-1) is provided with a pressure needle (4-1-2). The inner diameter of the pressure needle (4-1-2) is larger than the inner diameter of the needle pick head (4-2-1) and smaller than the outer diameter of the needle roller assembly.

8. The needle roller bearing testing and installation equipment according to claim 7, characterized in that: The needle holder head (4-2-1) is made of acetal steel.

9. The needle roller bearing testing and installation equipment according to claim 5, characterized in that: The third cylinder (4-5) is fixed on the workbench (1), the second cylinder (4-4) is fixed at the output end of the third cylinder (4-5), and the output end of the second cylinder (4-4) is fixedly connected to the housing (4-1).

10. The needle roller bearing testing and installation equipment according to claim 9, characterized in that: The third cylinder (4-5) is a segmented cylinder.

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