Selecting and matching method applied to third-generation high-precision ball hub unit flange plate

Abstract

The invention relates to the technical field of hub unit machining, in particular to a matching method applied to a third-generation high-precision ball hub unit flange plate, and the matching method comprises the following steps: clamping and fixing: firstly, accurately putting a hub unit main body needing to be matched for use into a flange fixing ring, and clamping and fixing the flange fixing ring; fine adjustment, adjustment and fixation are carried out on the hub unit main body through the adjustable clamping device according to the specification and size of the hub unit main body; data acquisition: data is acquired and analyzed in real time through a high-precision sensor, the size, shape and other key parameters of a product can be accurately measured, and the optimal suitability of each matched part is ensured; automatic equipment reduces manual operation time, errors caused by human factors are avoided, the consistency and reliability of products are improved, the structural stability and durability of the hub unit are enhanced through the use of high-strength alloy steel and the design of the spline hole and the retainer, and the mounting and dismounting processes are simplified through the design of the splice plates in magnetic connection.

Description

Technical Field

[0001] The present invention relates to the technical field of hub unit processing, and in particular to a matching method for a flange plate of a third-generation high-precision ball hub unit. Background Art

[0002] With the rapid development of the automotive industry, the requirements for the precision and quality of automotive parts are getting higher and higher. Especially in the field of high-performance ball hub units, the traditional matching method can no longer meet the needs of the modern automotive industry. In order to improve the quality and production efficiency of products, a high-precision and high-efficiency matching method is needed. The existing matching methods usually rely on manual operation, which is not only time-consuming and labor-intensive, but also prone to errors, affecting the overall quality and consistency of the product. Therefore, it is particularly important to develop a matching method with a high degree of automation and the ability to accurately measure and match.

[0003] The Chinese patent discloses a hub unit with the publication number: (CN 108515811 A) comprising a hub body, a sleeve disposed in the hub body, a first rolling bearing and a second rolling bearing installed between the sleeve and the hub body, the first rolling bearing being located on the inner side, and the second rolling bearing being located on the outer side. A main oil seal and an intermediate oil seal are disposed between the corresponding sealing surfaces of the hub body and the sleeve, the main oil seal being located on the inner side, and the intermediate oil seal being located between the first rolling bearing and the second rolling bearing. The sealing area between the main oil seal and the intermediate oil seal is a grease storage cavity, the first rolling bearing being located in the grease storage cavity, the sealing area outside the intermediate oil seal is an oil storage cavity, and the second rolling bearing being located in the oil storage cavity. However, this hub unit selection method usually relies on manual operation, which is not only time-consuming and labor-intensive, but also prone to errors, affecting the overall quality and consistency of the product. Therefore, a selection method and a method for using the flange of the third-generation high-precision ball hub unit are needed. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that the hub unit selection method usually relies on manual operation, which is not only time-consuming and labor-intensive, but also prone to errors, affecting the overall quality and consistency of the product. A selection method and use method for the flange of the third-generation high-precision ball hub unit is proposed.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a matching method for the flange of the third generation high-precision ball hub unit, characterized in that: the matching method is:

[0006] Clamping and fixing: First, accurately place the hub unit body to be used into the flange fixing ring, and then fine-tune and fix the hub unit body through the adjustable clamping device according to the size of the hub unit body;

[0007] Data collection: At this time, the detection positioning parts are matched with both sides of the hub unit body, and the floating device is fitted with the detection positioning parts. Then the sensor collects data. The sensor starts to work and collects and measures the size, shape and other key parameters of the product in real time.

[0008] Equipment operation: After data collection is completed, the equipment will automatically press down to lift up the floating device. The equipment will analyze the data collected by the sensor to determine which flanges are the best match for the inner and outer rings;

[0009] Automatic matching: Finally, based on the analysis results, the equipment will automatically match the appropriate flange with the inner and outer rings. After the entire matching process is completed, a comprehensive quality inspection will be carried out to ensure that each matching component meets strict quality standards.

[0010] Preferably, the hub unit main body hub unit includes a flange, the flange is provided with a spline hole integrated with the flange, the shape of the spline hole is designed to be asymmetric to prevent incorrect installation and ensure that only the correct installation direction can complete the assembly, thereby improving the accuracy and reliability of installation, the flange is provided with an inner ring nested with the flange, the inner ring is provided with an outer ring spaced and sleeved with the flange, a retaining frame is provided between the outer ring and the inner ring and between the outer ring and the flange, the retaining frame is provided with a plurality of steel balls nested with the retaining frame, thereby enhancing the structural stability and durability of the hub unit.

[0011] Preferably, a multi-lip skeleton sealing ring is provided between one end of the outer ring and the flange, which improves the sealing performance and prevents leakage of lubricating oil. The multi-lip design adapts to different working environments and increases the service life of the sealing ring.

[0012] Preferably, the adjustable clamping device comprises an upper fixing plate and a lower fixing plate, a fixing rod is arranged between the upper fixing plate and the lower fixing plate, a fixing bolt is arranged at the connection between the fixing rod and the upper fixing plate and the lower fixing plate, the upper fixing plate and the lower fixing plate each comprise a first splicing plate and a second splicing plate, the first splicing plate and the second splicing plate are rounded on all sides and are provided with slide grooves, the rounded design and slide groove layout increase the strength and stability of the structure, the number of the slide grooves is 4 and they are arranged diagonally to each other, the slide grooves are provided with clamping assemblies, and a transmission rod is arranged between the clamping assemblies. A stable clamping force is provided to ensure the accurate fixation of the hub unit body.

[0013] Preferably, the clamping assembly includes a T-shaped slider, the T-shaped slider is associated with the slide slot, a fixed seat is provided on the top of the T-shaped slider, one end of the fixed seat is connected to a connecting rod, one end of the connecting rod is provided with a clamping ring block, a lead screw is provided at the center of the slide slot of the upper fixed plate, one end of the lead screw passes through the T-shaped slider and is connected to a hand wheel, and a connecting block is provided at the junction of the lead screw and the edge of the slide slot. The stability and accuracy of the clamping are ensured, and fine adjustment is convenient. The hand wheel design makes the operation more convenient and improves work efficiency.

[0014] Preferably, semicircular arcs are provided at corresponding positions of the inner wall centers of the first splicing plate and the second splicing plate, a magnetic card block is provided at the connection between the first splicing plate and the second splicing plate, and a card slot is provided at the connection between the second splicing plate and the first splicing plate. The magnetic card block is associated with the card slot and cooperates with the card slot, which simplifies the installation and disassembly process of the splicing plates and improves the operational convenience. The magnetic connection ensures a stable connection between the splicing plates and reduces the possibility of loosening.

[0015] Preferably, one side of the detection positioning piece is in contact with the floating device, and the bottom side is in contact with the inner ring. The floating clearance between the detection positioning piece and the floating device is 4 mm, which ensures the precise fit between the detection positioning piece and the floating device and improves the measurement accuracy. The appropriate floating clearance allows fine-tuning during the measurement process to accommodate hub units of different sizes.

[0016] Preferably, the floating device includes a floating boss, a tungsten steel block is provided at the center of the floating boss, a sensor is provided on the top of the tungsten steel block, and the sensor is a high-precision laser displacement sensor. An electrical connection line is connected to one end of the top of the sensor, and the other end of the electrical connection line is connected to an external data processing unit. The high-precision laser displacement sensor provides accurate measurement data, ensures the accuracy of the selection, and the setting of the electrical connection line facilitates data transmission and processing, thereby improving the level of automation.

[0017] Preferably, a lubricating oil groove is provided in the slide groove. The provision of the lubricating oil groove reduces the friction when the clamping assembly moves in the slide groove, improves the smoothness of operation, reduces wear, extends the service life of the slide groove and the clamping assembly, and ensures that good performance can be maintained after long-term operation.

[0018] Preferably, the inner ring and the outer ring are made of high-strength alloy steel. High-strength alloy steel provides excellent mechanical properties and wear resistance, is suitable for high-load working environments, improves the durability and reliability of the entire hub unit, reduces the risk of failure due to material fatigue, and extends the service life of the product.

[0019] The present invention is beneficial in that:

[0020] This application uses high-precision sensors to collect and analyze data in real time, and can accurately measure the size, shape and other key parameters of the product to ensure the best fit of each matching component; the automated equipment reduces manual operation time, avoids errors caused by human factors, and improves the consistency and reliability of the product. This not only saves human resources, but also ensures the precise matching of each component; the use of high-strength alloy steel and the design of spline holes and retainers enhance the structural stability and durability of the hub unit, and the multi-lip skeleton seal ring improves the sealing performance, prevents lubricating oil leakage, adapts to different working environments, and extends the service life of the product; the magnetically connected splicing plate design simplifies the installation and disassembly process and improves the convenience of operation; the setting of the lubricating oil groove reduces the friction of the clamping assembly when it moves in the slide groove, and extends the service life; the high-precision laser displacement sensor provides accurate measurement data, ensures the accuracy of the selection, and the setting of the electrical connection line facilitates the transmission and processing of data, and improves the level of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 It is a schematic diagram of the structure of an embodiment of the present invention.

[0023] Figure 2 It is a schematic diagram of the explosion structure of an embodiment of the present invention.

[0024] Figure 3 It is a schematic diagram of the explosion structure of an embodiment of the present invention.

[0025] Figure 4 Schematic diagram of the structure of an adjustable clamping device according to an embodiment of the present invention.

[0026] Figure 5 For the embodiment of the present invention Figure 4 Enlarged view of I.

[0027] Figure 6 For the embodiment of the present invention Figure 4 Enlarged view of II.

[0028] Figure 7 Schematic diagram of the structure of an adjustable clamping device according to an embodiment of the present invention.

[0029] Figure 8 It is a schematic diagram of the front structural view of the adjustable clamping device according to an embodiment of the present invention.

[0030] In the figure: 1. external data processing unit; 2. electrical connecting wire; 3. sensor; 4. floating gap; 5. tungsten steel block; 6. floating boss; 7. detection positioning piece; 8. inner ring; 9. retaining frame; 10. outer ring; 11. steel ball; 12. flange; 13. flange fixing ring; 14. fixing rod; 15. fixing bolt; 16. upper fixing plate; 17. first splicing plate; 18. second splicing plate; 19. clamping ring block; 20. connecting rod; 21. fixing seat; 22. T-shaped slider; 23. lead screw; 24. handwheel; 25. lubricating oil groove; 26. magnetic card block; 27. card slot; 28. lower fixing plate. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example

[0033] See also Figure 1-8 As shown:

[0034] Embodiment: A matching method for the flange 12 of the third generation high-precision ball hub unit, characterized in that: the matching method is:

[0035] Clamping and fixing: First, the hub unit body to be used is accurately placed into the flange fixing ring 13, and then the hub unit body is fine-tuned and fixed through the adjustable clamping device according to the size of the hub unit body;

[0036] Data collection: At this time, the detection positioning member 7 cooperates with both sides of the hub unit body, the floating device fits with the detection positioning member 7, and then the sensor 3 collects data. The sensor 3 starts to work and collects and measures the size, shape and other key parameters of the product in real time;

[0037] Equipment operation: After data collection is completed, the equipment will automatically press down to lift up the floating device. The equipment will analyze the data collected by the sensor 3 to determine which flanges 12 and inner and outer rings 10 are the best match;

[0038] Automatic matching: Finally, based on the analysis results, the equipment will automatically match the appropriate flange 12 with the inner and outer rings 10. After the entire matching process is completed, a comprehensive quality inspection will be carried out to ensure that each matching component meets strict quality standards.

[0039] In this embodiment, the hub unit main body hub unit includes a flange 12, and the flange 12 is provided with a spline hole integrated with the flange 12. The shape of the spline hole is designed to be asymmetric to prevent incorrect installation and ensure that only the correct installation direction can complete the assembly, thereby improving the accuracy and reliability of installation. The flange 12 is provided with an inner ring 8 nested and connected with the flange 12, and the inner ring 8 is provided with an outer ring 10 spaced and sleeved with the flange 12. A retaining frame 9 is provided between the outer ring 10 and the inner ring 8 and between the outer ring 10 and the flange 12. The retaining frame 9 is provided with a plurality of steel balls 11 nested and connected with the retaining frame 9, thereby enhancing the structural stability and durability of the hub unit.

[0040] In this embodiment, a multi-lip skeleton sealing ring is provided between one end of the outer ring 10 and the flange 12, which improves the sealing performance and prevents lubricating oil leakage. The multi-lip design adapts to different working environments and increases the service life of the sealing ring.

[0041] In this embodiment, the adjustable clamping device includes an upper fixing plate 16 and a lower fixing plate 28, a fixing rod 14 is arranged between the upper fixing plate 16 and the lower fixing plate 28, a fixing bolt 15 is arranged at the connection between the fixing rod 14 and the upper fixing plate 16 and the lower fixing plate 28, the upper fixing plate 16 and the lower fixing plate 28 each include a first splicing plate 17 and a second splicing plate 18, the first splicing plate 17 and the second splicing plate 18 are rounded on all sides and are provided with slide grooves, the rounded design and the slide groove layout increase the strength and stability of the structure, the number of the slide grooves is 4 and they are arranged diagonally to each other, the slide grooves are provided with clamping assemblies, and a transmission rod is arranged between the clamping assemblies. A stable clamping force is provided to ensure the accurate fixation of the hub unit body.

[0042] In this embodiment, the clamping assembly includes a T-shaped slider 22, which is associated with the slide slot, a fixed seat 21 is provided on the top of the T-shaped slider 22, one end of the fixed seat 21 is connected to a connecting rod 20, one end of the connecting rod 20 is provided with a clamping ring block 19, and a lead screw 23 is provided at the center of the slide slot of the upper fixed plate 16. The lead screw 23 is a common product on the market and can be purchased directly. One end of the lead screw 23 passes through the T-shaped slider 22 and is connected to a hand wheel 24. A connecting block is provided at the junction of the lead screw 23 and the edge of the slide slot. The stability and accuracy of the clamping are ensured, and fine adjustment is convenient. The design of the hand wheel 24 makes the operation more convenient and improves the work efficiency.

[0043] In this embodiment, semicircular arcs are provided at corresponding positions of the inner wall centers of the first splicing plate 17 and the second splicing plate 18, a magnetic card block 26 is provided at the connection between the first splicing plate 17 and the second splicing plate 18, and a card slot 27 is provided at the connection between the second splicing plate 18 and the first splicing plate 17. The magnetic card block 26 is associated with the card slot 27 to simplify the installation and disassembly process of the splicing plates and improve the operational convenience. The magnetic connection ensures a stable connection between the splicing plates and reduces the possibility of loosening.

[0044] In this embodiment, one side of the detection positioning member 7 is in contact with the floating device, and the bottom side is in contact with the inner ring 8. The floating gap 4 between the detection positioning member 7 and the floating device is 4 mm, which ensures the precise fit between the detection positioning member 7 and the floating device and improves the measurement accuracy. The appropriate floating gap 4 allows fine-tuning during the measurement process to accommodate hub units of different sizes.

[0045] In this embodiment, the floating device includes a floating boss 6, a tungsten steel block 5 is provided at the center of the floating boss 6, a sensor 3 is provided on the top of the tungsten steel block 5, the sensor 3 is a common product on the market and can be purchased directly, the sensor 3 is a high-precision laser displacement sensor 3, one end of the top of the sensor 3 is connected to an electrical connection line 2, and the other end of the electrical connection line 2 is connected to an external data processing unit 1. The high-precision laser displacement sensor 3 provides accurate measurement data and ensures the accuracy of the selection. The setting of the electrical connection line 2 facilitates the transmission and processing of data and improves the level of automation.

[0046] In this embodiment, a lubricating oil groove 25 is provided in the slide groove. The provision of the lubricating oil groove 25 reduces the friction when the clamping assembly moves in the slide groove, improves the smoothness of operation, reduces wear, extends the service life of the slide groove and the clamping assembly, and ensures that good performance can be maintained after long-term operation.

[0047] In this embodiment, the inner ring 8 and the outer ring 10 are both made of high-strength alloy steel. The high-strength alloy steel is a common product on the market and can be purchased directly. The high-strength alloy steel provides excellent mechanical properties and wear resistance, is suitable for high-load working environments, improves the durability and reliability of the entire hub unit, reduces the risk of failure due to material fatigue, and extends the service life of the product.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a combined manner.

[0049] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A method for selecting flanges for third-generation high-precision ball hub units, characterized in that: The matching method is as follows: Clamping and fixing: First, the hub unit body to be used is accurately placed into the flange fixing ring (13), and then the hub unit body is fine-tuned and fixed by an adjustable clamping device according to the size of the hub unit body; Data collection: At this time, the detection positioning member (7) is matched with both sides of the hub unit body, the floating device is fitted with the detection positioning member (7), and then the sensor (3) is used to collect data. The sensor (3) starts to work and collects and measures the size, shape and other key parameters of the product in real time; Equipment operation: After data collection is completed, the equipment will automatically press down to lift up the floating device. The equipment will analyze the data collected by the sensor (3) to determine which flanges (12) and inner and outer rings (10) are the best match; Automatic matching: Finally, based on the analysis results, the machine will automatically match the appropriate flange (12) with the inner and outer rings (10). After the entire matching process is completed, a comprehensive quality inspection will be carried out to ensure that each matching component meets strict quality standards.

2. The method for selecting flanges for third-generation high-precision ball hub units according to claim 1 is characterized in that: The hub unit main body hub unit comprises a flange (12), a spline hole integrated with the flange (12) is arranged inside the flange (12), an inner ring (8) nested and connected with the flange (12) is arranged on the flange (12), an outer ring (10) is arranged outside the inner ring (8) and is spaced and sleeved with the flange (12), a retaining frame (9) is arranged between the outer ring (10) and the inner ring (8) and between the outer ring (10) and the flange (12), and a plurality of steel balls (11) nested and connected with the retaining frame (9) are arranged inside the retaining frame (9).

3. The method for selecting flanges for third-generation high-precision ball hub units according to claim 2 is characterized in that: A multi-lip skeleton sealing ring is provided between one end of the outer ring (10) and the flange (12).

4. The method for selecting flanges for third generation high precision ball hub units according to claim 1, characterized in that: The adjustable clamping device comprises an upper fixing plate (16) and a lower fixing plate (28), a fixing rod (14) is arranged between the upper fixing plate (16) and the lower fixing plate (28), a fixing bolt (15) is arranged at the connection between the fixing rod (14) and the upper fixing plate (16) and the lower fixing plate (28), the upper fixing plate (16) and the lower fixing plate (28) both comprise a first splicing plate (17) and a second splicing plate (18), the first splicing plate (17) and the second splicing plate (18) are rounded on all sides and are provided with sliding grooves, the number of the sliding grooves is 4 and they are arranged diagonally to each other, the sliding grooves are provided with clamping components, and a transmission rod is provided between the clamping components.

5. The method for selecting flanges for third generation high precision ball hub units according to claim 4 is characterized in that: The clamping assembly comprises a T-shaped slider (22), the T-shaped slider (22) is associated with the slide groove, a fixed seat (21) is provided on the top of the T-shaped slider (22), one end of the fixed seat (21) is connected to a connecting rod (20), one end of the connecting rod (20) is provided with a clamping ring block (19), a lead screw (23) is provided at the center of the slide groove of the upper fixed plate (16), one end of the lead screw (23) passes through the T-shaped slider (22) and is connected to a hand wheel (24), and a connecting block is provided at the junction of the lead screw (23) and the edge of the slide groove.

6. A method for selecting flanges for third generation high precision ball hub units according to claim 4, characterized in that: Semicircular arcs are provided at corresponding positions of the inner walls of the first splicing plate (17) and the second splicing plate (18); a magnetic card block (26) is provided at the connection between the first splicing plate (17) and the second splicing plate (18); a card slot (27) is provided at the connection between the second splicing plate (18) and the first splicing plate (17); and the magnetic card block (26) and the card slot (27) are associated and matched.

7. The method for selecting flanges for third generation high precision ball hub units according to claim 1, characterized in that: One side of the detection positioning member (7) is in contact with the floating device, and one side of the bottom is in contact with the inner ring (8). The floating gap (4) between the detection positioning member (7) and the floating device is 4 mm.

8. The method for selecting flanges for third generation high precision ball hub units according to claim 1, characterized in that: The floating device comprises a floating boss (6), a tungsten steel block (5) is provided at the center of the floating boss (6), a sensor (3) is provided at the top of the tungsten steel block (5), the sensor (3) is a high-precision laser displacement sensor (3), one end of the top of the sensor (3) is connected to an electrical connection line (2), and the other end of the electrical connection line (2) is connected to an external data processing unit (1).

9. The method for selecting flanges for third generation high precision ball hub units according to claim 4, characterized in that: A lubricating oil groove (25) is provided in the slide groove.

10. The method for selecting flanges for third generation high precision ball hub units according to claim 1, characterized in that: The inner ring (8) and the outer ring (10) are both made of high-strength alloy steel.

Images