A hub unit automatic assembly apparatus

Abstract

The present application relates to the technical field of hub automatic assembly, and discloses a kind of hub unit automatic assembly equipment, to solve the technical problems such as low positioning accuracy, poor efficiency, additional power source of existing assembly mode;The equipment includes support base, support slide, guide slide, accessory assembly seat, support top, guide pressing piece, compression assembly, hub clamping mechanism and control box;Hub clamping mechanism can realize automatic centering clamping by the gravity of hub body itself, accessory assembly seat can be adapted to multiple specifications of hub accessories and slide along guide slide front and back, support slide is driven to realize height adjustment by electric telescopic cylinder one;The core innovation of the present application is that the compression assembly takes support shaft as the fulcrum of lever, through the linkage of driving link, pushing link and driving pressing plate, the sliding force of accessory assembly seat is directly converted into the downward driving force of guide pressing piece, realizing the synchronous linkage of accessory separation and compression, without adding independent compression power source.

Description

Technical Field

[0001] This invention relates to the field of automated wheel hub assembly technology, and in particular to an automated wheel hub unit assembly device. Background Technology

[0002] The wheel hub unit is a core component of the automotive chassis system, and its assembly precision directly affects the vehicle's stability, safety, and comfort.

[0003] In the manufacturing process of wheel hub units, the assembly process is the core link that determines product quality, production efficiency, and production costs. Currently, most wheel hub unit assembly on the market adopts a semi-automated, manual-assisted method, where the wheel hub body and various accessories are positioned and aligned manually, and then clamped and fixed with simple tooling. This type of assembly method suffers from difficulties in ensuring positioning accuracy. Operators rely solely on experience to adjust the relative positions of the wheel hub body and wheel hub accessories, which easily leads to problems such as misalignment of their axes and loose fit of the assembly surfaces. To solve the above-mentioned technical pain points, this invention provides an automatic wheel hub unit assembly device. Summary of the Invention

[0004] In view of the above-mentioned problems in the prior art, the purpose of the present invention is to provide an automatic assembly equipment for wheel hub units, which realizes automatic positioning and alignment of the wheel hub body and wheel hub accessories, ensures that the two are collinear, and improves assembly accuracy.

[0005] The present invention is achieved by the following technical solution: an automatic assembly equipment for wheel hub units, comprising a support base, a support slide, a support slide block, a guide slide block, an accessory assembly base, a support top block, a guide pressure component, a clamping assembly, a wheel hub clamping mechanism, and a control box; The support slide is located on the rear side of the support base; the support slide can be slidably mounted on the support slide, and an electric telescopic cylinder is vertically installed between the support slide and the support base. The guide slide is longitudinally installed on the top of the support slide, and the accessory assembly seat can be slidably mounted on the guide slide for clamping wheel hub accessories. An electric telescopic cylinder two is installed on the rear top of the guide slide, and the telescopic end of the electric telescopic cylinder two is threadedly connected to the rear side of the accessory assembly seat. The support top seat is installed on the top of the support slide, and the guide pressure member can be vertically slidably assembled below the support top seat. The bottom of the guide pressure member is equipped with a component pressure plate. The clamping assembly is rotatably assembled between the top of the guide pressure member and the top of the component assembly seat. The component assembly seat can clamp and position the wheel hub component. The clamping assembly can move up and down with the back and forth sliding of the component assembly seat, so as to realize the automatic clamping assembly of the wheel hub component and the wheel hub body. The wheel hub clamping mechanism is installed on the top of the support base and is used to automatically clamp the wheel hub body; the control box is installed on one side of the support slide and is electrically connected to electric telescopic cylinder one and electric telescopic cylinder two.

[0006] As a further improvement to the above solution, the guide slide includes an I-shaped slide rail, a fixed bracket, and a limiting baffle; the I-shaped slide rail is installed on the top of the support slide and is used to guide the back-and-forth movement of the accessory assembly seat; the fixed bracket is installed on the rear side of the I-shaped slide rail and is used to install the second electric telescopic cylinder; the limiting baffle is installed on the front end of the I-shaped slide rail and is used to limit the sliding position of the front side of the accessory assembly seat.

[0007] As a further improvement to the above solution, the accessory assembly base includes a support slider, a synchronous pull block, a T-shaped slide rail, two symmetrically arranged limit sliders, an adjusting screw, a support plate, and a connecting sleeve. The support slider is slidably mounted on the I-shaped slide rail of the guide slide block; the T-shaped slide rail is installed laterally on the front side of the support slider to support the smooth sliding of the limiting slider. The adjusting screw is horizontally mounted between the two ends of the T-shaped slide rail, and the two ends of the adjusting screw are provided with external threads with opposite directions of rotation; the two limiting sliders are respectively adapted to the threads at both ends of the adjusting screw and can be slidably mounted on the T-shaped slide rail; by rotating the adjusting screw, the two limiting sliders are driven to slide in opposite directions along the T-shaped slide rail under the action of the threads, which can drive the support plate to move smoothly and realize the clamping and loosening of the wheel hub accessories; The support plate is installed on the front side of the limiting slider, and the synchronous pull block is installed on the top of the support slider for connecting the clamping assembly; the connecting sleeve is installed on the rear side of the support slider and is threadedly connected to the second telescopic end of the electric telescopic cylinder.

[0008] As a further improvement to the above solution, the support top seat includes a support top frame and two sets of symmetrically arranged limiting plates; the support top frame is installed on the top of the support slide to stabilize the operation of the support guide pressure member and the clamping assembly; the two sets of limiting plates are vertically installed on the lower end face of the support top frame, and the side wall of the limiting plate is provided with a vertical guide groove for guiding the sliding of the guide pressure member, ensuring that the guide pressure member can slide vertically up and down and avoid deviation.

[0009] As a further improvement to the above solution, the guide pressure member includes a rectangular connecting rod, a limiting sleeve, and a connecting assembly; The limiting sleeve is fitted onto the top of the rectangular connecting rod, and guide sliders adapted to the guide groove are provided on both sides of the limiting sleeve. The guide sliders slide along the inner cavity of the guide groove to ensure the stability of the rectangular connecting rod sliding up and down. The connecting component is inserted into the top of the rectangular connecting rod and bolted to the bottom of the limiting sleeve; the bottom of the rectangular connecting rod is fixed to the accessory pressure plate.

[0010] As a further improvement to the above solution, the clamping assembly includes two symmetrically arranged support lugs, a support shaft, a drive pressure plate, a push link, and a drive link; The supporting ear plates are installed on both sides of the supporting top frame, and the supporting shaft is installed laterally between the two supporting ear plates. The supporting shaft is the lever fulcrum of the driving pressure plate. The driving pressure plate is rotatably installed on the supporting shaft. The front end of the driving pressure plate is provided with a pressing groove and is hinged to the connecting assembly by a pin. The rear end of the driving pressure plate is hinged to the top end of the pushing rod. The bottom end of the pushing rod is hinged to one end of the driving rod, and the other end of the driving rod is hinged to the synchronous pull block.

[0011] As a further improvement to the above solution, the hub clamping mechanism includes a support pressure plate, multiple sets of circumferentially distributed synchronous pull plates, multiple sets of U-shaped brackets, a synchronous pressure plate, a stabilizing slide bar, and a return spring. The supporting pressure plate is arranged parallel above the supporting base. The synchronous pull plates are installed in a circular pattern at the bottom of the supporting pressure plate. The U-shaped bracket is installed in a circular pattern at the top of the supporting base. The synchronous pressure plate is rotatably assembled inside the U-shaped bracket. The stabilizing slide rod is installed vertically at the bottom of the supporting pressure plate and passes through the supporting base. The reset spring is sleeved on the outside of the stabilizing slide rod and located between the supporting pressure plate and the supporting base.

[0012] As a further improvement to the above solution, the synchronous pressure plate has a rectangular slot and a limiting slide groove in the middle. The top of the synchronous pull plate is assembled in the rectangular slot through a guide shaft, and the two ends of the guide shaft can be slidably assembled in the limiting slide groove.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention achieves automatic gravity clamping of the wheel hub body through a wheel hub clamping mechanism, ensuring that the wheel hub body is always in the center position and collinear with the axis of the wheel hub accessories. At the same time, the precise positioning design of the accessory assembly seat further ensures the installation position accuracy of the wheel hub accessories, effectively avoiding problems such as axis offset and loose fit caused by manual operation, significantly improving the assembly quality and product qualification rate of the wheel hub unit, and reducing the product scrap rate. The clamping assembly of this invention uses a support shaft as the core lever fulcrum. The support shaft is horizontally fixed between two support lugs, providing stable rotational support for the drive pressure plate, which can rotate flexibly around the support shaft. When the electric telescopic cylinder drives the accessory assembly seat to slide backward, the synchronous pull block drives the drive connecting rod to rotate upward, thereby pushing the push connecting rod to move upward. With the support shaft as the lever fulcrum, the rear end of the drive pressure plate lifts upward, while the front end presses down synchronously to connect the assembly. Finally, the guide pressure piece and the accessory pressure plate slide downward, achieving the clamping of the wheel hub accessory. This design does not require an additional independent clamping power source. It only relies on the sliding power of the accessory assembly seat and completes the clamping action through the lever principle. This simplifies the equipment structure, reduces failure points, and lowers equipment energy consumption. At the same time, the lever structure can effectively amplify the clamping force, ensuring uniform and stable clamping force and avoiding problems such as insecure clamping or excessive clamping that damages the accessory. The wheel hub clamping mechanism of this invention utilizes the synergistic action of a support plate, a synchronous pull plate, a synchronous pressure plate, and a return spring. When the wheel hub body is placed on the support plate, gravity causes the support plate to slide downwards, and the synchronous pull plate drives the synchronous pressure plate to rotate towards the center via a guide shaft, thus achieving automatic clamping of the wheel hub body. After assembly, the wheel hub unit is removed, and the support plate automatically resets under the elastic force of the return spring, while the synchronous pressure plate opens, facilitating the placement of the next wheel hub body. The entire process requires no manual intervention, significantly improving assembly continuity and operational convenience. Attached Figure Description

[0014] Figure 1 This is a three-dimensional perspective view of the automatic assembly equipment for wheel hub units of the present invention from the front view direction; Figure 2 This is a three-dimensional perspective view of the automatic assembly equipment for wheel hub units of the present invention from the rear view direction; Figure 3 This is a side view of the automatic assembly equipment for the hub unit of the present invention. Figure 4 This is a three-dimensional perspective view of the automatic assembly equipment for wheel hub units of the present invention, showing the removal of the wheel hub body and wheel hub accessories in the front view direction. Figure 5 This is a three-dimensional perspective view of the automatic assembly equipment for wheel hub units of the present invention, after removing the wheel hub body and wheel hub accessories from the rear view direction. Figure 6 This is a three-dimensional perspective view of the front view of the automatic assembly equipment for wheel hub units of the present invention, showing the support slide, guide slide, support top seat, guide pressure member, accessory pressure plate and clamping assembly as a whole. Figure 7 This is a three-dimensional rear view of the automatic assembly equipment for wheel hub units of the present invention, showing the support slide, guide slide, support top seat, guide pressure member, accessory pressure plate and clamping assembly as a whole. Figure 8 This is a three-dimensional view from the front perspective of the automatic assembly equipment for the hub unit of the present invention, showing the support slide and guide slide combined as a single unit. Figure 9 This is a three-dimensional perspective view of the automatic assembly equipment for the hub unit of the present invention when the support slide and guide slide are combined into one unit, viewed from below. Figure 10 This is a three-dimensional rear view of the automatic assembly equipment for the hub unit of the present invention when the support slide and guide slide are combined into one unit. Figure 11 This is a three-dimensional view of the guide slide and support top seat of the automatic assembly equipment for the hub unit of the present invention when they are combined into one unit. Figure 12 This is a three-dimensional view of the wheel hub clamping mechanism of the automatic assembly equipment for wheel hub units of the present invention, when it is installed on the support base.

[0015] Explanation of key symbols: 1. Support base; 2. Support slide; 21. L-shaped support plate; 22. Guide slide rod; 3. Support slide seat; 4. Electric telescopic cylinder one; 5. Guide slide seat; 51. I-shaped slide rail; 52. Fixed bracket; 53. Limiting baffle; 6. Accessory assembly seat; 61. Support slider; 62. Synchronous pull block; 63. T-shaped slide rail; 64. Limiting slider; 65. Adjusting screw; 66. Support clamping plate; 67. Connecting sleeve; 7. Electric telescopic cylinder two; 8. Support top seat; 81. Support top frame; 82. Limiting plate; 83. Guide slide groove; 9. Guide pressure piece; 91. Rectangular connecting rod; 92. Limiting sleeve ; 93. Guide slider; 94. Connecting assembly; 10. Accessory pressure plate; 11. Clamping assembly; 111. Support ear plate; 112. Support shaft; 113. Drive pressure plate; 114. Extrusion groove; 115. Pushing connecting rod; 116. Drive connecting rod; 12. Wheel hub clamping mechanism; 121. Support pressure plate; 122. Synchronous pull plate; 123. U-shaped bracket; 124. Synchronous pressure plate; 125. Rectangular slot; 126. Limiting groove; 127. Guide shaft; 128. Stabilizing slide rod; 129. Return spring; 13. Wheel hub body; 14. Wheel hub accessories; 15. PLC control box. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings.

[0017] Obviously, the described embodiments are only a part of the embodiments of this disclosure, not all of them. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without inventive effort are within the scope of protection of this disclosure.

[0018] Unless otherwise defined, the technical or scientific terms used in this disclosure shall have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms "comprising" or "including," and similar terms used in this disclosure, mean that an element or object preceding the term encompasses the elements or objects listed following the term and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; these relative positional relationships may change accordingly when the absolute position of the described objects changes.

[0019] To keep the following description of the embodiments of this disclosure clear and concise, detailed descriptions of known functions and known components are omitted.

[0020] Please combine Figure 1-12 As shown in the figure, the automatic assembly equipment for a wheel hub unit provided by the present invention includes a support base 1, a support slide 2, a support slide 3, a guide slide 5, a support top seat 8, a guide pressure component 9, a wheel hub body 13, wheel hub accessories 14, and a control box 15; wherein, the material of each component is preferably high-strength carbon steel or aluminum alloy, which has both structural strength and lightweight characteristics, and the appropriate material can be selected according to the actual assembly requirements; The support base 1 supports all core components such as the support slide 2, the electric telescopic cylinder 4, and the wheel hub clamping mechanism 12. It also serves as the main support and fixing structure for the wheel hub body 13. A mounting position for the wheel hub clamping mechanism 12 is reserved in the middle of its top area. The wheel hub body 13 is indirectly supported and fixed through the wheel hub clamping mechanism 12, ensuring that the wheel hub body 13 remains stationary during assembly. The support slide 2 is positioned behind the support base 1. Its core function is to provide stable support for the guide slide rod 22 and to provide a guiding foundation for the up-and-down sliding of the support slide 3. For example... Figure 12 As shown, the support slide 2 includes multiple L-shaped support plates 21 and guide slide rods 22. The number of L-shaped support plates 21 is preferably four sets, symmetrically distributed. The L-shaped support plates 21 are vertically welded to the rear side of the support base 1 to provide stable support for the guide slide rods 22. The number of guide slide rods 22 matches the number of sets of L-shaped support plates 21. They are made of high-precision smooth round rods and are vertically installed between the support base 1 and the transverse section of the L-shaped support plate 21 through high-strength threads. After installation, the guide slide rods 22 remain vertical to ensure that the support slide 3 slides smoothly. The core function of the support slide 3 is to install components such as the guide slide 5 and the support top seat 8, and to drive them to slide up and down along the guide slide rod 22 to achieve height adjustment of the wheel hub accessory 14. The support slide 3 is slidably installed between multiple sets of guide slide rods 22, and the support slide 3 is provided with guide holes that match the guide slide rods 22. The inner wall of the guide hole is provided with a wear-resistant bushing to reduce friction loss between the guide slide rod 22 and the support slide 3, while allowing the support slide 3 to slide stably up and down along the outer wall of the guide slide rod 22. The sliding gap is controlled at 0.02-0.05mm. This gap ensures that the support slide 3 slides smoothly along the guide slide rod 22, reducing friction loss, and also prevents the support slide 3 from shifting due to excessive gap, ensuring sliding accuracy and assembly positioning accuracy. The guide slide 5 is longitudinally fixed in the middle of the top of the support slide 3. The core function of the guide slide 5 is to provide front and rear sliding guidance for the accessory assembly seat 6, and to fix the electric telescopic cylinder 7 and the limit baffle 53. Figure 6 As shown, the guide slide 5 includes an I-shaped slide rail 51, a fixed bracket 52, and a limiting baffle 53. The I-shaped slide rail 51 is fixed to the top center of the support slide 3 with high-strength bolts for guiding the back-and-forth movement of the accessory assembly seat 6. The cross-sectional dimensions of the I-shaped slide rail 51 can be designed to adapt to the weight and size of the accessory assembly seat 6. The fixed bracket 52 is fixed to the top rear side of the I-shaped slide rail 51 with bolts for the fixed installation of the electric telescopic cylinder 7. The limiting baffle 53 is fixed to the front end of the I-shaped slide rail 51 with bolts. A buffer pad is provided on the inner side of the limiting baffle 53 to limit the sliding position of the front side of the accessory assembly seat 6, preventing the accessory assembly seat 6 from sliding out from the front side of the I-shaped slide rail 51, and at the same time preventing the accessory assembly seat 6 from having a hard collision with the limiting baffle 53. An electric telescopic cylinder 4 is vertically installed between the support slide 3 and the support base 1. The core function of the electric telescopic cylinder 4 is to drive the support slide 3 to slide up and down along the guide slide 22, thereby adjusting the height of the accessory assembly seat 6 and the wheel hub accessory 14 to match the height of the wheel hub body 13. The electric telescopic cylinder 4 is preferably a servo electric telescopic cylinder, and its stroke can be adjusted according to the assembly requirements. It is used to drive the support slide 3 to slide up and down along the guide slide 22, thereby adjusting the height of the accessory assembly seat 6 and the wheel hub accessory 14 to match the height of the wheel hub body 13. An accessory assembly seat 6 is installed at the front end of the guide slide 5 for clamping the wheel hub accessory 14 during assembly. The accessory assembly seat 6 can slide back and forth on the top of the guide slide 5. When the wheel hub accessory 14 is assembled on the accessory assembly seat 6, the axis of the wheel hub accessory 14 and the wheel hub body 13 are on the same vertical line, ensuring that the wheel hub accessory 14 can be accurately positioned and installed into the inner cavity of the wheel hub body 13. Currently, most wheel hub unit assembly on the market adopts a semi-automated, manual-assisted method. This involves manually aligning the wheel hub body with various components and then using simple tooling to clamp and secure them. This assembly method suffers from low positioning accuracy, a tendency for misalignment between the wheel hub body and components, and the need for multiple operators to coordinate positioning, clamping, and pressing, resulting in low production efficiency. An electric telescopic cylinder 7 is bolted to the top rear side of the guide slide 5. Electric telescopic cylinder 7 is the same model as electric telescopic cylinder 4, and its telescopic end is threaded to the rear side of the component assembly seat 6. The core function of electric telescopic cylinder 7 is to drive the component assembly seat 6 to slide back and forth along the I-shaped slide rail 51, thus separating the wheel hub component 14 from the component assembly seat 6 during assembly, while simultaneously pressing the clamping assembly 11 to clamp the wheel hub component 14. A support top seat 8 is installed on the top of the support slide 3, and the guide pressure component 9 is slidably mounted vertically on the support top seat. Below the top of seat 8, a fitting pressure plate 10 is bolted to the bottom of the guide pressure member 9. The core function of the fitting pressure plate 10 is to directly contact the wheel hub fitting 14 and press and fix the wheel hub fitting 14 into the inner cavity of the wheel hub body 13. An elastic buffer layer is provided at the bottom of the fitting pressure plate 10 to prevent damage to the wheel hub fitting 14 during the pressing process. The axis of the fitting pressure plate 10 and the axis of the wheel hub fitting 14 are on the same vertical line to ensure that the pressing force is evenly distributed. A pressing component 11 is installed between the top of the guide pressure member 9 and the top of the fitting assembly seat 6. When the fitting assembly seat 6 slides forward, the pressing component 11 can drive the guide pressure member 9 to slide vertically downward, so that the fitting pressure plate 10 at the bottom of the guide pressure member 9 can press and fix the wheel hub fitting 14 into the inner cavity of the wheel hub body 13. A hub clamping mechanism 12 is installed on the top of the support base 1. When the hub body 13 is placed on the hub clamping mechanism 12, it can be automatically fixed on the top of the support base 1 under the gravity of the hub body 13, without the need for manual clamping. It can also make the axis of the hub body 13 and the hub accessory 14 on the same vertical line, reducing the difficulty of clamping and fixing the hub body 13 and improving the assembly efficiency between the hub body 13 and the hub accessory 14. A control box 15 is fixed to one side of the support slide 2 by bolts. The control box 15 integrates control components such as PLC controller, relay, and wiring terminals. The control terminals of electric telescopic cylinder 4 and electric telescopic cylinder 7 are electrically connected to the control box 15. The control box 15 is equipped with an operation panel, which can realize the operation of equipment start, stop, stroke adjustment, and clamping force adjustment. An emergency stop button is also provided to ensure the safe operation of the equipment. The core function of the component assembly seat 6 is to clamp and fix the wheel hub component 14, while simultaneously driving the wheel hub component 14 to slide back and forth, cooperating with the clamping assembly 11 to complete the clamping assembly of the wheel hub component 14; such as Figure 8-10As shown, the accessory assembly base 6 includes a support slider 61, a synchronizing block 62, a T-shaped slide rail 63, two limit sliders 64, an adjusting screw 65, a support plate 66, and a connecting sleeve 67. The support slider 61 is slidably mounted on the top of the I-shaped slide rail 51. The bottom of the support slider 61 is provided with a groove that matches the I-shaped slide rail 51. The inner wall of the groove is coated with grease to reduce sliding friction. The synchronizing block 62 is fixed to the top of the support slider 61 with bolts. The synchronizing block 62 is used to connect the drive of the clamping assembly 11. Linkage 116 enables linkage between accessory assembly seat 6 and guide pressure component 9; T-shaped slide rail 63 is horizontally fixed to the front side of support slider 61 by bolts to support the smooth sliding of limit slider 64, and support ear plates are welded to both ends of T-shaped slide rail 63 for installing and fixing adjusting screw 65; two limit sliders 64 are slidably installed on the front side of T-shaped slide rail 63, and the limit sliders 64 are symmetrically arranged on the left and right sides. The rear side of the limit slider 64 is provided with a groove that matches the T-shaped slide rail 63 to ensure smooth sliding; An adjusting screw 65 is horizontally installed between the support lugs at both ends of the T-shaped slide rail 63. The adjusting screw 65 has a trapezoidal thread and passes through the two limiting sliders 64. The outer walls at both ends of the adjusting screw 65 have external threads with opposite directions of rotation. Nuts matching the external threads on the adjusting screw 65 are welded to the side walls of the limiting sliders 64. An adjusting wheel is installed at one end of the adjusting screw 65. The surface of the adjusting wheel has anti-slip textures to facilitate manual adjustment by the operator. Turning the adjusting wheel can drive the adjusting screw 65 to rotate. The rotation of the adjusting screw 65, under the action of the thread, drives the two limiting sliders 64 to slide in opposite directions along the T-shaped slide rail 63, thereby adjusting the distance between the two support plates 66. This allows for clamping of wheel hub accessories 14 of different sizes and models. The support plate 66 is horizontally welded and fixed to the front side of the limiting slider 64, and the inner side of the two support plates 66 is provided with an arc-shaped groove that matches the wheel hub accessory 14. The arc-shaped groove is precisely designed to ensure that after the wheel hub accessory 14 is clamped, the axis of the wheel hub accessory 14 is collinear with the axis of the wheel hub body 13. A connecting sleeve 67 is fixed to the rear side of the support slider 61 by bolts, and the connecting sleeve 67 is connected to the telescopic end of the electric telescopic cylinder 7 by threads, so that the electric telescopic cylinder 7 can stably drive the accessory assembly seat 6 to slide. The core function of the support top seat 8 is to install the guide pressure member 9 and the clamping assembly 11, providing guidance and support for the vertical sliding of the guide pressure member 9, ensuring that the guide pressure member 9 can slide smoothly up and down, and achieving the clamping of the wheel hub accessory 14; such as Figure 6-7As shown in Figure 11, the support top seat 8 includes a support top frame 81 and two sets of limiting plates 82. The support top frame 81 is fixed to the top of the support slide 3 by high-strength bolts. Spring washers are provided at the bolt connections to prevent loosening and to stably support the operation of the guide pressure member 9 and the pressing assembly 11. The two sets of limiting plates 82 are vertically fixed to the bottom of the support top frame 81 by bolts. The two sets of limiting plates 82 are symmetrically arranged on the left and right sides. The spacing between the limiting plates 82 is adapted to the width of the guide pressure member 9. A guide groove 83 is vertically opened on the side wall of the limiting plate 82. The guide groove 83 is a rectangular groove with a smooth inner wall for guiding the guide slider 93 of the guide pressure member 9 to slide, ensuring that the guide pressure member 9 can slide vertically up and down and avoid deviation. The core function of the guide pressure component 9 is to drive the accessory pressure plate 10 to slide vertically up and down, pressing and fixing the wheel hub accessory 14 into the inner cavity of the wheel hub body 13. The guide pressure component 9 includes a rectangular connecting rod 91, a limiting sleeve 92, and a connecting assembly 94. The rectangular connecting rod 91 is made of high-strength rectangular steel to ensure structural strength. The bottom end of the rectangular connecting rod 91 is fixedly connected to the top middle of the accessory pressure plate 10 by bolts. The bolts are countersunk bolts to avoid protruding surfaces affecting the pressing effect. The limiting sleeve 92 is sleeved and fixed on the top end of the rectangular connecting rod 91. The limiting sleeve 92 and the rectangular connecting rod 91 are connected. An interference fit is used to ensure a firm connection. Guide sliders 93 that match the guide groove 83 are welded to both sides of the limiting sleeve 92. The guide sliders 93 slide along the inner cavity of the guide groove 83 to ensure the stability of the rectangular connecting rod 91 sliding up and down. The connecting component 94 is inserted into the top of the rectangular connecting rod 91. The connecting component 94 is used to connect the driving pressure plate 113 of the clamping component 11. The bottom end of the limiting sleeve 92 and the connecting component 94 are fixed to the top end of the rectangular connecting rod 91 by the same bolt to ensure the uniformity and stability of the connection and to prevent loosening. The core function of the clamping assembly 11 is to achieve the linkage between the accessory assembly seat 6 and the guide clamping component 9. By utilizing the back-and-forth sliding of the accessory assembly seat 6, the guide clamping component 9 slides vertically up and down, completing the clamping of the wheel hub accessory 14 without the need for an additional power source; for example... Figure 7As shown, the clamping assembly 11 includes two support ear plates 111, a support shaft 112, a drive pressure plate 113, a push connecting rod 115, and a drive connecting rod 116. The two support ear plates 111 are bolted to both sides of the support top frame 81, and are symmetrically distributed for mounting and fixing the support shaft 112. The support shaft 112 is horizontally installed between the two support ear plates 111, and a bearing is provided between the support shaft 112 and the support ear plates 111 to reduce rotational friction and ensure that the drive pressure plate 113 can rotate flexibly. The dynamic pressure plate 113 is rotatably mounted on the support shaft 112. Utilizing the lever principle, it converts the upward thrust of the push rod 115 into downward pressure, causing the guide pressure member 9 to slide downward. A compression groove 114 is provided at the front end of the driving pressure plate 113. The compression groove 114 is a long rectangular groove. When the driving pressure plate 113 is mounted on the connecting assembly 94 by a pin, the pin connecting the two passes through the inner cavity of the compression groove 114, and the pin can slide along the compression groove 114 to realize the linkage between the driving pressure plate 113 and the connecting assembly 94. One end of the push rod 115 is rotatably mounted on the bottom end of the drive pressure plate 113 via a pin. Bushings are provided between the pin, the push rod 115, and the drive pressure plate 113 to ensure flexible rotation. The drive rod 116 is rotatably mounted between the push rod 115 and the synchronous pull block 62. Both ends of the drive rod 116 are connected by pins to achieve linkage between the synchronous pull block 62 and the push rod 115. When the electric telescopic cylinder 4 drives the wheel hub accessory 14 downward into the inner cavity of the wheel hub body 13, the telescopic end of the electric telescopic cylinder 7 drives the lower edge I-shaped slide rail 51 to slide backward, causing the support plate 66 to disengage from the wheel hub accessory 14, and the synchronous pull block 62 moves backward accordingly. This drives the drive linkage 116 to rotate upwards, which in turn pushes the drive linkage 115 to move upwards. The upward movement of the drive linkage 115 pushes the rear end of the drive pressure plate 113 to rotate upwards around the support shaft 112. According to the lever principle, the front end of the drive pressure plate 113 rotates downwards, allowing the pin on the connecting component 94 to slide along the inner cavity of the extrusion groove 114, causing the connecting component 94 to slide vertically downwards. This causes the rectangular linkage 91 to drive the accessory pressure plate 10 to slide downwards, allowing the accessory pressure plate 10 to press and fix the wheel hub accessory 14 into the inner cavity of the wheel hub body 13, achieving linkage control of clamping and pressing without the need for an additional power source. The core function of the wheel hub clamping mechanism 12 is to automatically clamp the wheel hub body 13 without requiring manual clamping. Simultaneously, it ensures that the axes of the wheel hub body 13 and the wheel hub accessory 14 are aligned vertically, reducing the difficulty of clamping and fixing the wheel hub body 13 and improving the assembly efficiency between the wheel hub body 13 and the wheel hub accessory 14. Figure 12As shown, the wheel hub clamping mechanism 12 includes a support plate 121, multiple synchronous pull plates 122, multiple U-shaped brackets 123, a synchronous pressure plate 124, and multiple stabilizing slide rods 128. The support plate 121 is arranged parallel to the top center of the support base 1 to provide a stable placement position for the wheel hub body 13. The multiple synchronous pull plates 122 are evenly distributed around the circumference, preferably in four sets, and are fixed to the bottom of the support plate 121 with bolts. The multiple U-shaped brackets 123 are evenly distributed around the circumference and fixed to the top of the support base 1. The number of U-shaped brackets 123 corresponds one-to-one with the synchronous pull plates 122. The synchronous pressure plate 124 is rotatably fixed inside the U-shaped brackets 123. The top of the synchronous pressure plate 124 is provided with an arc-shaped clamping surface, and the arc-shaped clamping surface is provided with an anti-slip rubber pad to adapt to the side wall shape of the wheel hub body 13 and enhance clamping stability. A rectangular slot 125 is formed in the middle of the synchronous pressure plate 124. Limiting grooves 126 are formed on both sides of the rectangular slot 125. The limiting grooves 126 are elongated. The top end of the synchronous pull plate 122 is installed in the inner cavity of the rectangular slot 125 through a guide shaft 127. The two ends of the guide shaft 127 are slidably installed in the inner cavity of the limiting groove 126. The guide shaft 127 can slide along the limiting groove 126 to realize the linkage between the synchronous pull plate 122 and the synchronous pressure plate 124. Multiple stabilizing slide rods 128 are vertically installed in a circumferential distribution by threads. The bottom of the support plate 121 is supported, and the bottom end of the stabilizing slide rod 128 passes through the top of the support base 1. A guide sleeve is provided between the stabilizing slide rod 128 and the support base 1 to ensure that the support plate 121 can slide smoothly up and down. A return spring 129 is vertically provided between the bottom of the support plate 121 and the top of the support base 1. The return spring 129 is a compression spring, and the elastic coefficient can be adapted to the weight of the hub body 13. The return spring 129 is sleeved on the outer wall of the stabilizing slide rod 128 and is used to return the support plate 121 to its original position. When the hub body 13 is placed on top of the support plate 121, the support plate 121 slides downward under the weight of the hub body 13. During the downward sliding process, under the limiting action of the stabilizing slide rod 128, it can always remain parallel to the top of the support base 1, avoiding tilting. When the support plate 121 slides downward, it drives the synchronous pull plate 122 to slide downward. When the synchronous pull plate 122 slides downward, it drives the guide shaft rod 127 to slide downward along the inner cavity of the limiting slide groove 126, thereby driving the synchronous pressure plate 124 to rotate around the U-shaped bracket 123 towards the center of the support base 1, so that... The tops of multiple sets of synchronous pressure plates 124 can abut against the side wall of the wheel hub body 13, realizing automatic clamping of the wheel hub body 13 and keeping the wheel hub body 13 in the center position of the support pressure plate 121, ensuring that the wheel hub body 13 and the wheel hub accessory 14 are collinear; when the wheel hub body 13 is assembled and removed, the support pressure plate 121 loses the effect of gravity and can be pushed upward by the elastic force of the return spring 129, thereby driving the synchronous pull plate 122 and the guide shaft 127 to reset, so that the synchronous pressure plate 124 can return to the initial position, which is convenient for the placement and clamping of the next wheel hub body 13; The working principle is as follows: Initialization preparation: The operator starts the equipment through the operation panel of the control box 15. The equipment enters the initialization state. Electric telescopic cylinder 1 4 and electric telescopic cylinder 2 7 are reset. The support slide 3 is in the highest position. The accessory assembly seat 6 is in front of the I-shaped slide rail 51. The support pressure plate 121 of the hub clamping mechanism 12 is in the highest position under the action of the reset spring 129. The synchronous pressure plate 124 is in the open state. Hub body clamping: The hub body 13 is placed on top of the support plate 121 manually or by a conveying mechanism. Under the gravity of the hub body 13, the support plate 121 slides downward, driving the synchronous pull plate 122 to move downward. The synchronous pull plate 122 drives the synchronous pressure plate 124 to rotate around the U-shaped bracket 123 towards the center through the guide shaft 127 until the synchronous pressure plate 124 abuts against the side wall of the hub body 13, realizing the automatic clamping of the hub body 13. The hub body 13 is in the center position and the axis remains vertical. Wheel hub component clamping and positioning: According to the size of the wheel hub component 14, turn the adjusting wheel to drive the adjusting screw 65 to rotate, so that the two limit sliders 64 slide towards each other along the T-shaped slide rail 63, and adjust the spacing of the support plates 66; place the wheel hub component 14 between the two support plates 66, turn the adjusting wheel in the opposite direction, so that the support plates 66 clamp the wheel hub component 14, at which time the axis of the wheel hub component 14 is collinear with the axis of the wheel hub body 13; control the electric telescopic cylinder 4 to shorten through the control box 15, drive the support slide 3 to slide downward along the guide slide rod 22, so that the wheel hub component 14 is assembled into the inner cavity of the wheel hub body 13; Component disengagement and clamping: The electric telescopic cylinder 7 is shortened by the control box 15, driving the component assembly seat 6 to slide backward along the I-shaped slide rail 51, causing the component assembly seat 6 to disengage from the moving wheel hub component 14; at the same time, the synchronous pull block 62 of the component assembly seat 6 drives the drive connecting rod 116 to rotate upward, the drive connecting rod 116 pushes the push connecting rod 115 to move upward, the push connecting rod 115 pushes the rear end of the drive pressure plate 113 to rotate upward, and the front end of the drive pressure plate 113 rotates downward, causing the connecting component 94 and the guide pressure member 9 to slide downward through the pin, and the component pressure plate 10 moves downward accordingly, clamping and fixing the wheel hub component 14 in the inner cavity of the wheel hub body 13, completing the assembly; Reset and unloading: After assembly, the electric telescopic cylinder 4 is extended by the control box 15, driving the support slide 3 to reset upward. Then, the electric telescopic cylinder 7 is extended, driving the accessory assembly seat 6 to reset forward. Simultaneously, the clamping assembly 11 and the guide pressure member 9 are reset upward, and the accessory pressure plate 10 is separated from the wheel hub accessory 14. The assembled wheel hub unit is removed manually or by the conveying mechanism. The support pressure plate 121 is reset upward under the action of the reset spring 129, and the pressure plate 124 is opened simultaneously. The equipment returns to the initial state and waits for the next assembly.

[0021] The above embodiments are merely preferred embodiments of the present invention and should not be construed as limiting the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. An automatic assembly equipment for wheel hub units, comprising a support base (1), a support slide (2), a support slide (3), a guide slide (5), an accessory assembly seat (6), a support top seat (8), a guide pressure member (9), a clamping assembly (11), a wheel hub clamping mechanism (12), and a control box (15); The support slide (2) is located on the rear side of the support base (1); the support slide (3) can be slidably mounted on the support slide (2), and an electric telescopic cylinder (4) is vertically installed between the support slide (3) and the support base (1). The guide slide (5) is longitudinally installed on the top of the support slide (3), and the accessory assembly seat (6) can be slidably mounted on the guide slide (5) for clamping the hub accessory (14). The top rear side of the guide slide (5) is equipped with an electric telescopic cylinder two (7), and the telescopic end of the electric telescopic cylinder two (7) is threadedly connected to the rear side of the accessory assembly seat (6). The support top seat (8) is installed on the top of the support slide (3), and the guide pressure member (9) can be vertically slidably assembled below the support top seat (8). The bottom of the guide pressure member (9) is equipped with a fitting pressure plate (10). The clamping assembly (11) is rotatably assembled between the top of the guide pressure member (9) and the top of the fitting assembly seat (6). The fitting assembly seat (6) can clamp and position the wheel hub fitting (14). The clamping assembly (11) can move up and down with the guide pressure member (9) as the fitting assembly seat (6) slides back and forth, so as to realize the automatic clamping assembly of the wheel hub fitting (14) and the wheel hub body (13). The hub clamping mechanism (12) is installed on the top of the support base (1) and is used to automatically clamp the hub body (13); the control box (15) is installed on one side of the support slide (2) and is electrically connected to the electric telescopic cylinder one (4) and the electric telescopic cylinder two (7).

2. The wheel hub unit automatic assembly apparatus according to claim 1, wherein The guide slide (5) includes an I-shaped slide rail (51), a fixed bracket (52), and a limiting baffle (53); the I-shaped slide rail (51) is installed on the top of the support slide (3) and is used to guide the front and rear movement of the accessory assembly seat (6); the fixed bracket (52) is installed on the rear side of the I-shaped slide rail (51) and is used to install the electric telescopic cylinder (7); the limiting baffle (53) is installed on the front end of the I-shaped slide rail (51) and is used to limit the sliding position of the accessory assembly seat (6) on the front side.

3. The wheel hub unit automatic assembly apparatus according to claim 2, wherein The accessory assembly base (6) includes a support slider (61), a synchronous pull block (62), a T-shaped slide rail (63), two symmetrically arranged limit sliders (64), an adjusting screw (65), a support plate (66), and a connecting sleeve (67). The support slider (61) is slidably mounted on the I-shaped slide rail (51) of the guide slide (5); the T-shaped slide rail (63) is installed laterally on the front side of the support slider (61) to support the smooth sliding of the limiting slider (64); The adjusting screw (65) is horizontally mounted between the two ends of the T-shaped slide rail (63), and the two ends of the adjusting screw (65) are provided with external threads with opposite directions of rotation; the two limiting sliders (64) are respectively adapted to the threads at both ends of the adjusting screw (65) and can be slidably mounted on the T-shaped slide rail (63); by rotating the adjusting screw (65), the two limiting sliders (64) are driven to slide in opposite directions along the T-shaped slide rail (63) under the action of the threads, which can drive the support plate (66) to move smoothly and realize the clamping and loosening of the wheel hub accessories (14); The support plate (66) is installed on the front side of the limiting slider (64), and the synchronous pull block (62) is installed on the top of the support slider (61) for connecting the clamping assembly (11); the connecting sleeve (67) is installed on the rear side of the support slider (61) and threadedly connected to the telescopic end of the electric telescopic cylinder (7).

4. The wheel hub unit automatic assembly apparatus according to claim 1, wherein The support top seat (8) includes a support top frame (81) and two sets of symmetrically arranged limiting plates (82); the support top frame (81) is installed on the top of the support slide (3) to stabilize the operation of the support guide pressure member (9) and the pressing assembly (11); the two sets of limiting plates (82) are vertically installed on the lower end face of the support top frame (81), and the side wall of the limiting plate (82) is provided with a vertical guide groove (83) for guiding the sliding of the guide pressure member (9) to ensure that the guide pressure member (9) can slide vertically up and down to avoid deviation.

5. The wheel hub unit automatic assembly apparatus according to claim 4, wherein The guide pressure member (9) includes a rectangular connecting rod (91), a limiting sleeve (92), and a connecting assembly (94). The limiting sleeve (92) is sleeved and installed on the top of the rectangular connecting rod (91), and the limiting sleeve (92) is provided with guide sliders (93) on both sides that are adapted to the guide groove (83). The guide sliders (93) slide along the inner cavity of the guide groove (83) to ensure the stability of the rectangular connecting rod (91) sliding up and down. The connecting component (94) is inserted into the top of the rectangular connecting rod (91) and bolted to the bottom of the limiting sleeve (92); the bottom of the rectangular connecting rod (91) is fixed to the accessory pressure plate (10).

6. The wheel hub unit automatic assembly apparatus according to claim 5, wherein The clamping assembly (11) includes two symmetrically arranged support lugs (111), a support shaft (112), a drive pressure plate (113), a push link (115), and a drive link (116). The support ear plates (111) are installed on both sides of the support top frame (81), and the support shaft (112) is installed laterally between the two support ear plates (111). The support shaft (112) is the lever fulcrum of the drive pressure plate (113). The drive pressure plate (113) is rotatably installed on the support shaft (112), and the front end of the drive pressure plate (113) is provided with a pressing groove (114) and is hinged to the connecting assembly (94) by a pin. The rear end of the drive pressure plate (113) is hinged to the top end of the push connecting rod (115). The bottom end of the push connecting rod (115) is hinged to one end of the drive connecting rod (116), and the other end of the drive connecting rod (116) is hinged to the synchronous pull block (62).

7. The wheel hub unit assembly apparatus of claim 1 wherein, The hub clamping mechanism (12) includes a support plate (121), multiple sets of circumferentially distributed synchronous pull plates (122), multiple sets of U-shaped brackets (123), synchronous plate (124), stabilizing slide bar (128), and return spring (129). The supporting pressure plate (121) is arranged parallel above the supporting base (1). The synchronous pull plate (122) is installed in a circular pattern at the bottom of the supporting pressure plate (121). The U-shaped bracket (123) is installed in a circular pattern at the top of the supporting base (1). The synchronous pressure plate (124) is rotatably assembled inside the U-shaped bracket (123). The stabilizing slide rod (128) is installed vertically at the bottom of the supporting pressure plate (121) and passes through the supporting base (1). The reset spring (129) is sleeved on the outside of the stabilizing slide rod (128) and located between the supporting pressure plate (121) and the supporting base (1).

8. The wheel hub unit automatic assembly apparatus according to claim 7, wherein The synchronous pressure plate (124) has a rectangular slot (125) and a limiting slide groove (126) in the middle. The top of the synchronous pull plate (122) is assembled in the rectangular slot (125) through the guide shaft (127), and the two ends of the guide shaft (127) can be slidably assembled in the limiting slide groove (126).

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