A feeding device and a hub bearing assembly line

Abstract

The present application relates to a feeding device and a hub bearing assembly line, which includes a frame, a plurality of feeding conveyor belts, a transport conveyor belt, a pushing mechanism, an adjusting mechanism and a position detection mechanism. The feeding conveyor belt and the transport conveyor belt are both rotatably arranged on the frame. The feeding conveyor belt transports the flange to the feeding end of the transport conveyor belt. The pushing mechanism is used to push the flange plate onto the transport conveyor belt. The position detection mechanism is used to detect the position of the flange plate on the transport conveyor belt. The adjusting mechanism is used to adjust the pushing distance of the pushing mechanism according to the detection result of the position detection mechanism. When switching to assemble a new type of hub bearing, first, a set of flange plates are pushed onto the transport conveyor belt through the pushing mechanism, and the position of the flange plate is detected by the position detection mechanism. Then, the position of the pushing mechanism is adjusted through the adjusting mechanism so that the flange plate is located in the middle of the transport conveyor belt after being pushed by the pushing mechanism. The adjustment steps are simple, the adjustment is fast and the adjustment accuracy is relatively high.

Description

Technical Field

[0001] The present application relates to the technical field of hub production equipment, and in particular, to a loading device and a hub bearing assembly line. Background Art

[0002] The bearing hub is one of the key components of an automobile, and its main functions are to bear the weight of the whole vehicle and to provide guidance for the rotation of the hub.

[0003] Common hub bearing assembly lines include a loading device, an assembly device, a quality inspection device, and an unloading device.

[0004] The loading device transports the flange plate, which serves as the inner ring of the bearing, to the assembly device. The assembly device sequentially assembles accessories such as rollers, stabilizing plates, and connecting bolts onto the flange plate. After the assembled hub bearing is transported to the quality inspection device and inspected to be qualified, it is output through the unloading device.

[0005] The above-mentioned loading device usually includes a transport conveyor belt and a number of loading conveyor belts. The loading conveyor belts are arranged in parallel and are all located on one side of the feeding end of the transport conveyor belt. The operator evenly places the flange plates onto the number of loading conveyor belts. The flange plates arranged by the loading conveyor belts are transported by the loading conveyor belts to the feeding end of the transport conveyor belt, and then the flange plates are pushed onto the transport conveyor belt by a push plate.

[0006] Since it is necessary to cooperate with the subsequent assembly device for assembly, the flange plate is usually required to be in the middle of the transport conveyor belt, so that when the flange plate is transported to the feeding end of the subsequent assembly device, the manipulator of the assembly device can more accurately clamp the flange plate from the transport conveyor belt, and at the same time, the flange plate will not be affected by interference sources outside the range of the transport conveyor belt during the transportation process.

[0007] When assembling hub bearings of different sizes, due to the different diameters of the flange plates, it is necessary to adjust the pushing distance of the push plate so that the flange plate can be located in the middle of the transport conveyor belt. However, the conventional push plate is usually pushed by a fixedly installed hydraulic cylinder, and it is rather troublesome to directly adjust the pushing stroke of the hydraulic cylinder. Moreover, during the adjustment process, it is necessary to measure the distance between the push plate and the transport conveyor belt multiple times for calibration, and the adjustment process is rather cumbersome. Summary of the Invention

[0008] In order to solve the problem that the adjustment of the pushing distance of the push plate of the loading device on the traditional hub bearing assembly production line is rather cumbersome, the present application provides a loading device and a hub bearing assembly line.

[0009] In a first aspect, a loading device provided by the present application adopts the following technical solution:

[0010] A loading device, comprising:

[0011] A frame, several feeding conveyor belts, a transport conveyor belt, a pushing mechanism, an adjusting mechanism and a position detecting mechanism. The feeding conveyor belt and the transport conveyor belt are both rotatably arranged on the frame. The feeding conveyor belt is used to transport the flanges to the feed end of the transport conveyor belt after sorting. The pushing mechanism is used to push the flanges to the transport conveyor belt. The position detecting mechanism is used to detect the position of the flanges on the transport conveyor belt. The adjusting mechanism is used to adjust the pushing distance of the pushing mechanism according to the detection result of the position detecting mechanism.

[0012] Through the above technical solution, when switching to a new type of wheel hub bearing for assembly, first a flange is placed on all loading conveyors, the loading conveyor transports the flange to the transport conveyor, the pushing mechanism pushes the flange to the transport conveyor, the position detection mechanism detects the distance between the center of the flange and the center of the transport conveyor, and then the position of the pushing mechanism is adjusted by the adjusting mechanism so that the flange is located in the middle of the transport conveyor after the pushing mechanism pushes the flange. The adjustment steps are simple, the adjustment is fast and the adjustment accuracy is high.

[0013] Optionally, the adjustment mechanism includes a base provided on the frame, a mounting plate slidably mounted on the base, and an adjustment motor provided on the base, the adjustment motor is transmission-connected to the mounting plate, the pushing mechanism is provided on the mounting plate, and the mounting plate slides in a direction approaching or moving away from the transport conveyor belt.

[0014] Optionally, the pushing mechanism includes a pushing cylinder, a lifting cylinder and a push plate. The lifting cylinder is arranged on the piston rod of the pushing cylinder, and the push plate is arranged on the piston rod of the lifting cylinder. After the lifting cylinder is extended, the push plate can be used to push the flange from the loading conveyor belt to the transport conveyor belt. The pushing cylinder is used to push the flange from the loading conveyor belt to the transport conveyor belt through the push plate.

[0015] Optionally, the position detection mechanism includes a first limit plate, a second limit plate, a first pressure sensor and a second pressure sensor, the first limit plate and the second limit plate are respectively located on both sides of the transport conveyor belt, the first pressure sensor is arranged on the first limit plate to detect the pressure borne by the first limit plate, the second pressure sensor is arranged on the second limit plate to detect the pressure borne by the second limit plate, the first limit plate and the second limit plate are both slidably arranged on the frame in a direction approaching or away from the feeding conveyor belt, and the frame is provided with a first detection motor and a second detection motor to serve as driving sources for the first limit plate and the second limit plate respectively.

[0016] Optionally, the push plate is provided with a plurality of limit grooves, and when the push plate pushes the flange, the flange is clamped in the limit grooves.

[0017] Through the above technical solution, the distance between the flanges is adjusted through the limiting grooves, so that the multiple flanges are arranged at intervals.

[0018] Optionally, the push plate is slidably installed with a limit frame, and when the push plate is used to push the flange, the limit frame is used to limit the flange from leaving the limit groove.

[0019] Optionally, the frame above the feeding conveyor belt is provided with two baffles, and the baffles are distributed along the transport direction of the feeding conveyor belt. The baffles are set on the frame through the mounting frame for lifting and lowering. When the baffles are lowered, the baffles are used to block the movement of the flange on the feeding conveyor belt. The frame is provided with a sorting cylinder for driving the mounting frame to lift and lower.

[0020] Optionally, the frames on both sides of the feeding conveyor belt are provided with a third limit plate, and the third limit plate is used to limit the flange from sliding off the feeding conveyor belt. The third limit plate is provided with a height limit plate, and the height limit plate is in contact with the flange surface of the flange.

[0021] Optionally, the frame is provided with a plurality of mounting seats, and the mounting seats correspond one-to-one to the third limit plate. The third limit plate is lifted and slidably installed on the mounting seats. The mounting seats are provided with a lifting motor, and the lifting motor is transmission-connected to the third limit plate. The height limit plate is provided with a proximity switch, and the proximity switch is electrically connected to the lifting motor.

[0022] In a second aspect, the present application provides a wheel hub bearing assembly line adopting the following technical solution:

[0023] A wheel hub bearing assembly line comprises a loading device, an assembly line and a discharging device, wherein the loading device is used to transport a flange to the assembly line, the assembly line is used to assemble the wheel hub bearing, and the discharging device is used to output the assembled wheel hub bearing, wherein the loading device adopts the loading device mentioned above.

[0024] To summarize, when switching to a new model of wheel hub bearing for assembly, the present application first places a flange on all loading conveyors, the loading conveyor transports the flange to the transport conveyor, the pushing mechanism pushes the flange to the transport conveyor, and the position detection mechanism detects the distance between the center of the flange and the center of the transport conveyor. Then, the position of the pushing mechanism is adjusted by the adjusting mechanism so that after the pushing mechanism pushes the flange, the flange is located in the middle of the transport conveyor. The adjustment steps are simple, the adjustment is fast, and the adjustment accuracy is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the flange of the wheel hub bearing.

[0026] Figure 2 It is a three-dimensional structural schematic diagram of this application.

[0027] Figure 3 yes Figure 2An enlarged schematic view of part A.

[0028] Figure 4 It is a three-dimensional structural schematic diagram of one side of the feeding conveyor belt of the present application.

[0029] Figure 5 Is Figure 4 An enlarged schematic view of part B.

[0030] Figure 6 It is an exploded schematic view of the mounting base of the present application.

[0031] Figure 7 It is a three-dimensional structural schematic diagram of the pushing mechanism of the present application.

[0032] Those skilled in the art will understand that the elements in the drawings are shown for simplicity and clarity and are not necessarily drawn to scale. For example, the sizes and positions of some elements in the drawings may be enlarged relative to other elements to help improve the understanding of the embodiments of the present invention.

[0033] Reference numerals: 1, flange; 11, disk body; 12, mounting body; 2, frame; 21, feeding conveyor belt; 22, transportation conveyor belt; 23, first detection motor; 24, second detection motor; 25, guiding plate; 3, pushing mechanism; 31, pushing cylinder; 32, lifting cylinder; 33, pushing plate; 331, top plate; 332, limiting groove; 4, position detection mechanism; 41, first limiting plate; 42, second limiting plate; 5, adjusting mechanism; 51, base; 52, mounting plate; 53, adjusting motor; 6, sorting cylinder; 61, mounting frame; 62, baffle; 7, mounting base; 71, third limiting plate; 72, height limiting plate; 73, lifting lead screw; 8, limiting frame; 81, pressing roller; 82, tension spring; 83, tensioning cylinder; 831, pull rod. Detailed Description of the Invention

[0034] The following will further describe the present application in detail Figures 1-7 with reference to the accompanying drawings.

[0035] Refer to Figure 1 , in this embodiment, the flange 1 serving as the mounting base of the hub bearing includes a disk body 11 and a cylindrical mounting body 12 coaxially and integrally provided on the disk body 11, and the mounting body 12 serves as the inner ring of the bearing.

[0036] In a first aspect, this embodiment discloses a feeding device. Refer to Figures 2-5 , which includes a frame 2 placed on the ground, a transportation conveyor belt 22 rotatably mounted on the frame 2, a plurality of feeding conveyor belts 21 rotatably mounted on the frame 2, a pushing mechanism 3, an adjusting mechanism 5, and a position detection mechanism 4.

[0037] Refer to Figure 2 and Figure 3, the feeding conveyors 21 are parallel to each other, and the transportation direction of the feeding conveyors 21 is perpendicular to the transportation direction of the transportation conveyor 22. The flange 1 serving as the mounting base of the hub bearing is transported to the feeding end of the transportation conveyor 22 through the feeding conveyors 21, and then the flange 1 is pushed onto the transportation conveyor 22 by the pushing mechanism 3. The widths of the feeding conveyors 21 and the transportation conveyor 22 are both greater than the diameter of the flange 1, so that the flange 1 is not easily interfered by the outside world during transportation and is not easily dropped from the feeding conveyors 21 and the transportation conveyor 22.

[0038] Refer to Figure 2 and Figure 3 , at the same time, a guiding plate 25 is fixedly installed on the frame 2. One side of the guiding plate 25 is connected to the feeding conveyor 21, and the other side is connected to the transportation conveyor 22. The upper surface of the feeding conveyor 21 is higher than the guiding plate 25, and the upper surface of the transportation conveyor 22 is lower than the guiding plate 25. The flange 1 on the feeding conveyor 21 slides onto the transportation conveyor 22 through the guidance of the guiding plate 25, so that the flange 1 is not easily stuck between the feeding conveyor 21 and the transportation conveyor 22 when being pushed by the push plate 33.

[0039] Since the flange 1 on the transportation conveyor 22 needs to be transported to the subsequent assembling device to be assembled into a complete hub bearing, and the subsequent assembling device grabs the flange 1 by means of a mechanical claw, the position of the flange 1 on the transportation conveyor 22 needs to be fixed, usually set in the middle of the transportation conveyor 22, that is, the setting in this embodiment, and the distance between multiple flanges 1 needs to be the same. Cooperating with the constant transportation speed of the transportation conveyor 22, the subsequent mechanical claw can perform precise grasping and is not prone to cooperation failure.

[0040] If the production model of the hub bearing changes, the pushing distance of the pushing mechanism 3 needs to be adjusted so that when the pushing mechanism 3 pushes the flange 1 onto the transportation conveyor 22, the flange 1 is still located in the middle of the transportation conveyor 22.

[0041] Refer to Figure 2 , Figure 4 and Figure 5 , the above-mentioned adjusting mechanism 5 is used to adjust the pushing distance of the pushing mechanism 3, and the position detecting mechanism 4 is used to detect the position of the flange 1 on the transportation conveyor 22 and then feedback it to the central processor. The central processor obtains the specific pushing distance required by the pushing mechanism 3 according to the feedback information and then adjusts it through the adjusting mechanism 5.

[0042] Refer to Figure 4 and Figure 5, wherein the adjusting mechanism 5 includes a base 51 fixedly installed on the frame 2, a mounting plate 52 slidably installed on the base 51, and an adjusting motor 53 fixedly installed on the base 51. The adjusting motor 53 drives the mounting plate 52 to slide in a screw-slider manner.

[0043] The mounting plate 52 slides along the transportation direction of the feeding conveyor belt 21, and the pushing mechanism 3 is arranged on the mounting plate 52.

[0044] Referring to Figure 2 and Figure 3 , the pushing mechanism 3 includes a pushing cylinder 31, a lifting cylinder 32, and a push plate 33. The pushing cylinder 31 is a hydraulic cylinder with a position sensor. This type of hydraulic cylinder is a prior art, and those skilled in the art can select it according to the actual situation. The lifting cylinder 32 is a cylinder with a position sensor. This type of cylinder is a prior art, and those skilled in the art can select it according to the actual situation.

[0045] Referring to Figure 2 and Figure 3 , the pushing cylinder 31 is fixedly installed on the mounting plate 52, a bracket is fixedly installed on the piston rod of the pushing cylinder 31, the lifting cylinder 32 is fixedly installed on the bracket, the piston rod of the lifting cylinder 32 is vertically downward, and the push plate 33 is fixedly installed on the piston rod of the lifting cylinder 32.

[0046] Referring to Figure 2 and Figure 3 , first support rods are arranged on both sides of the bracket. One end of the first support rod is fixedly connected to the bracket, and the other end of the first support rod is slidably installed on the mounting plate 52. The bracket is supported by the first support rod to improve the stability of the bracket. Second support rods are arranged on both sides of the push plate 33. One end of the second support rod is fixedly connected to the push plate 33, and the other end of the second support rod is slidably installed on the bracket. The push plate 33 is supported by the second support rod to improve the stability of the push plate 33.

[0047] Referring to Figure 2 , Figure 3 and Figure 7 , the push plate 33 is provided with a plurality of top plates 331 corresponding to the feeding conveyor belt 21 one by one. A limiting groove 332 is formed through one side of the top plate 331. When the piston rod of the lifting cylinder 31 extends, the push plate 33 descends to be used for pushing the flange 1. At this time, the piston rod of the pushing cylinder 31 extends, and the side wall of the limiting groove 332 abuts against the side wall of the mounting body 12 of the flange 1. The mounting body 12 is clamped in the limiting groove 332 and is pushed by the push plate 33 to the transportation conveyor belt 22.

[0048] Referring to Figure 2 and Figure 3, the position detection mechanism 4 includes a first limit plate 41 and a second limit plate 42, both the first limit plate 41 and the second limit plate 42 are arranged along the length direction of the transport conveyor belt 22. Both the first limit plate 41 and the second limit plate 42 are fixedly installed with optical rods, the length direction of the optical rods is arranged along the width direction of the transport conveyor belt 22, the optical rods are slidably installed on the frame 2, and the first limit plate 41 and the second limit plate 42 are slidably installed on the frame 2 through the optical rods.

[0049] Refer to Figure 2 and Figure 3 , the position detection mechanism 4 further includes a first pressure sensor, a second pressure sensor, a first detection motor 23 and a second detection motor 24. Both the first detection motor 23 and the second detection motor 24 are servo motors.

[0050] Refer to Figure 2 and Figure 3 , the first pressure sensor is fixedly installed on the first limit plate 41, and the pressing force when the flange 1 presses against the first limit plate 41 is detected through the first pressure sensor. The second pressure sensor is fixedly installed on the second limit plate 42, and the pressure generated when the flange 1 presses against the second limit plate 42 is detected through the second pressure sensor.

[0051] Refer to Figure 2 and Figure 3 , both the first detection motor 23 and the second detection motor 24 are fixedly installed on the frame 2, the first detection motor 23 drives the first limit plate 41 to slide in the way of a screw rod and slider, and the second detection motor 24 also drives the second limit plate 42 to slide in the way of a screw rod and slider.

[0052] When it is necessary to adjust the pushing distance of the push plate 33 after the production line changes the model of the assembled hub bearing, it is necessary to switch the feeding mode of the feeding mechanism to the adjustment mode on the operation panel. At this time, the lifting cylinder 32, the pushing cylinder 31, and the mounting plate 52 all automatically reset.

[0053] Start the adjustment. First, place a flange 1 on each of the feeding conveyor belts 21. The feeding conveyor belt 21 transports the flange 1 to the transport conveyor belt 22. At this time, the central processor starts the lifting cylinder 32. After the piston rod of the lifting cylinder 32 extends, and after the position sensor on the lifting cylinder 32 detects that the piston rod of the lifting cylinder 32 has extended completely, the central processor starts the pushing cylinder 31 according to the detection signal. After the piston rod of the pushing cylinder 31 extends completely, if the first pressure sensor does not detect pressure, the adjustment motor 53 starts to drive the mounting plate 52 to slide towards the transport conveyor belt 22 until the first pressure sensor detects pressure and then stops. Then the lifting cylinder 32 resets, the pushing cylinder 31 resets, and the adjustment motor 53 reverses to drive the mounting plate 52 to reset.

[0054] Refer to Figure 2 andFigure 3 , due to the need to avoid the pushing plate 33, the second limit plate 42 at the discharging end of the feeding conveyor belt 21 is removed. Therefore, when the lifting cylinder 32 resets and the position sensor of the lifting cylinder 32 detects the reset of the lifting cylinder 32 and then transmits the reset signal to the central processor, the central processor first starts the transport conveyor belt 22 to transport the flange 1 away from the discharging opening of the feeding conveyor belt 21, and then starts the second detection motor 24. The second detection motor 24 drives the second lead screw to rotate, thereby driving the second limit plate 42 to move until the second pressure sensor detects pressure and then stops the second detection motor 24.

[0055] The central processor records the sliding distance of the second limit plate 42 this time, and then resets the second limit plate 42. After the second limit plate 42 resets, the first detection motor 23 is started. The first detection motor 23 pushes the first limit plate 41 to slide half of the distance recorded by the central processor. After pushing the flange 1 to the middle of the transport conveyor belt 22, the first detection motor 23 reverses to reset the first limit plate 41.

[0056] After the first limit plate 41 resets, the transport conveyor belt 22 starts to normally transport the flange 1 to the next process and then stops. Then, a set of flanges 1 are respectively placed on the feeding conveyor belt 21. The feeding conveyor belt 21 transports the flange 1 to one side of the transport conveyor belt 22 and stops. The first detection motor 23 is started to drive the first limit plate 41 to move half of the moving distance of the second limit plate 42 and then stops. The lifting cylinder 32 is started to lower the pushing plate 33. The pushing cylinder 31 is started to push the flange 1 to the transport conveyor belt 22. When the position sensor of the pushing cylinder 31 detects that the piston rod of the pushing cylinder 31 is fully extended, the central processor starts the adjusting motor 53. The adjusting motor 53 drives the mounting plate 52 to move, thereby continuing to push the flange 1 to move. When the flange 1 moves to abut against the first limit plate 41 and the first pressure sensor detects pressure, the adjusting motor 53 stops. The first detection motor 23 drives the first limit plate 41 to reset, and the adjusting motor 53 maintains the position of the mounting plate 52 to complete the adjustment of the pushing distance of the pushing plate 33.

[0057] After the adjustment is completed, switch the mode back to the working mode at the control panel. In the working mode, the adjusting motor 53, the first detection motor 23, and the second detection motor 24 are not started, and at the same time, the lifting cylinder 32 and the pushing cylinder 31 work normally.

[0058] Refer to Figure 2 and Figure 3The top plate 331 is slidably mounted with a limit frame 8. When the top plate 331 is used to push the flange 1, the mounting body 12 is located between the limit groove 332 and the limit frame 8. The push plate 33 is slidably mounted with a pull rod 831. The limit frame 8 is slidably mounted with the pull rod 831. A tension spring 82 is provided between the limit frame 8 and the pull rod 831. The push plate 33 is fixedly mounted with a tension cylinder 83. The tension cylinder 83 is fixedly connected with the pull rod 831. When the piston rod of the tension cylinder 83 contracts, the pull rod 831 drives the limit frame 8 to slide to the side wall of the mounting body 12 away from the limit groove 332. At this time, the tension spring 82 is pulled open. When the piston rod of the tension cylinder 83 extends, the limit frame 8 is separated from the mounting body 12 driven by the tension spring 82.

[0059] By limiting the position of the limit frame 8, the displacement caused by inertia when the flange 1 is pushed onto the transport conveyor belt 22 is within a fixed range. At the same time, by limiting the position of the limit frame 8, the flange 1 falls more smoothly during the pushing process.

[0060] The portion of the limit frame 8 that abuts against the mounting body 12 is rotatably mounted with a rubber abutting roller 81 . Since the limit frame 8 abuts against the side wall of the mounting body 12 via the abutting roller 81 , the limit frame 8 is less likely to interfere with the falling of the flange 1 .

[0061] Reference Figure 4 and Figure 5 The frame 2 is vertically lifted and slidably mounted with a plurality of mounting frames 61, on which a plurality of baffles 62 are fixedly mounted, and the baffles 62 are evenly distributed in groups of two just above the feeding conveyor belt 21. The baffles 62 above the same feeding conveyor belt 21 are distributed along the transport direction of the feeding conveyor belt 21, and the frame 2 is fixedly mounted with a tidying cylinder 6, the piston rod of which is fixedly connected to the mounting frame 61, and the mounting frame 61 is driven to slide by the tidying cylinder 6.

[0062] Reference Figure 4 and Figure 5 , taking the transport direction of the feeding conveyor 21 as the positive direction, when the piston rod of the sorting cylinder 6 is extended and the mounting frame 61 slides downward to the lower limit, the baffle 62 descends to the front of the two flanges 1 at one end of the feeding conveyor 21 close to the transport conveyor 22, and the flanges 1 are blocked by the baffle 62, and the distance between the two flanges 1 is adjusted to the specified distance in cooperation with the movement of the feeding conveyor 21. Then the feeding conveyor 21 stops, the mounting frame 61 rises and resets, and the feeding conveyor 21 transports the flanges 1 to the push plate 33 for preparation. When the flanges 1 pushed last on the transport conveyor 22 leave the discharging area of ​​the feeding conveyor 21, the pushing cylinder 31 and the lifting cylinder 32 start to push the prepared flanges 1 onto the transport conveyor 22. After pushing twice, the baffle 62 descends again to sort the distance between the flanges 1 on the feeding conveyor 21.

[0063] Reference Figure 4 and Figure 5 A third pressure sensor is provided on the baffle 62. The third pressure sensor detects the pressure of the flange 1 on the baffle 62 when the baffle 62 blocks the flange 1. When the baffles 62 above the same feeding conveyor belt 21 all detect pressure, the feeding conveyor belt 21 stops.

[0064] Reference Figures 2-5 The spacing between the flanges 1 on the feeding conveyor belt 21 is adjusted by the baffle 62 mentioned above, and the spacing between the flanges 1 on the transport conveyor belt 22 is adjusted by the limit groove 332, so that the central processor can accurately calculate the position of each flange 1 only by calculating the movement distance of the feeding conveyor belt 21 and the transport conveyor belt 22, thereby achieving accurate positioning of each flange 1 and accurate coordination with the mechanical claws of the subsequent assembly device without the need for a visual inspection system. The overall procedure is relatively simple, not prone to errors, and maintenance is relatively simple and cheap.

[0065] At the same time, in order to ensure the transportation accuracy of the loading conveyor belt 21 and the transport conveyor belt 22, both the loading conveyor belt 21 and the transport conveyor belt 22 use chain plates.

[0066] Reference Figure 4 and Figure 6 A mounting seat 7 is fixedly installed on the frame 2 on both sides of the feeding conveyor belt 21, and a third limit plate 71 is vertically slidably installed on the mounting seat 7. The third limit plate 71 is fixedly installed with a limit height plate 72, and the limit height plate 72 is horizontal.

[0067] Reference Figure 4 and Figure 6 The mounting seat 7 is rotatably mounted with a lifting screw rod 73, which passes through the third limit plate 71 and is threadedly matched with the third limit plate 71. The mounting seat 7 is fixedly mounted with a lifting motor, which is transmission-connected to the lifting screw rod 73 through a worm gear. In this embodiment, in order to save space, all the lifting screw rods 73 are transmission-connected to the same lifting motor.

[0068] Reference Figure 4 and Figure 6 The height limiting plate 72 is located above the feeding conveyor belt 21. The height limiting plate 72 is fixedly installed with a proximity switch. For different types of flanges 1, the height limiting plate 72 is fitted with the disk surface of the flange 1 of the feeding conveyor belt 21 through the cooperation of the proximity switch and the lifting motor, so that the flange 1 will not flip over when the baffle 62 blocks the flange 1. At the same time, the flange 1 will not fall off the feeding conveyor belt 21 through the blocking of the third limiting plate 71.

[0069] Second aspect, an embodiment of the present application discloses a hub bearing assembly line, including a feeding device, an assembly line, and a discharging device. The feeding device is used to transport the flange 1 to the assembly line. The assembly line is used to assemble the hub bearing. The discharging device is used to output the assembled hub bearing, wherein the feeding device adopts the feeding device described above.

[0070] The above are all the preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A feeding device, characterized in that: A frame (2), a plurality of feeding conveyor belts (21), a transport conveyor belt (22), a pushing mechanism (3), an adjusting mechanism (5) and a position detecting mechanism (4); the feeding conveyor belt (21) and the transport conveyor belt (22) are both rotatably arranged on the frame (2); the feeding conveyor belt (21) is used to transport the flange (1) to the feeding end side of the transport conveyor belt (22) after sorting; the pushing mechanism (3) is used to push the flange (1) to the transport conveyor belt (22); the position detecting mechanism (4) is used to detect the position of the flange (1) on the transport conveyor belt (22); and the adjusting mechanism (5) is used to adjust the pushing distance of the pushing mechanism (3) according to the detection result of the position detecting mechanism (4); The position detection mechanism (4) comprises a first limit plate (41), a second limit plate (42), a first pressure sensor and a second pressure sensor, the first limit plate (41) and the second limit plate (42) being respectively located on both sides of the transport conveyor belt (22), the first pressure sensor being arranged on the first limit plate (41) for detecting the pressure borne by the first limit plate (41), the second pressure sensor being arranged on the second limit plate (42) for detecting the pressure borne by the second limit plate (42), the first limit plate (41) and the second limit plate (42) being both slidably arranged on the frame (2) in a direction approaching or moving away from the feeding conveyor belt (21), the frame (2) being provided with a first detection motor (23) and a second detection motor (24) for respectively serving as a driving source for the first limit plate (41) and the second limit plate (42); During adjustment, firstly, a flange (1) is placed on each of the feeding conveyor belts (21), and the feeding conveyor belt (21) transports the flange (1) to a position close to the transport conveyor belt (22), and then the pushing mechanism (3) pushes the flange (1) to the transport conveyor belt (22) and stops. At this time, if the first pressure sensor does not detect pressure, the adjusting mechanism (5) adjusts the pushing distance of the pushing mechanism (3) until the first pressure sensor detects pressure and stops, and then the pushing mechanism (3) is reset, and the adjusting mechanism (5) restores the pushing distance of the pushing mechanism (3); Then, the second detection motor (24) is started, and the second detection motor (24) drives the second limit plate (42) to move until the second pressure sensor detects pressure and then stops the second detection motor (24); the sliding distance of the second limit plate (42) is recorded, and then the second limit plate (42) is reset. After the second limit plate (42) is reset, the first detection motor (23) is started, and the first detection motor (23) pushes the first limit plate (41) to slide half of the recorded distance. After the flange (1) is pushed to the middle of the transport conveyor belt (22), the first detection motor (23) is reversed to reset the first limit plate (41); After the first limit plate (41) is reset, the transport conveyor (22) starts to transport the flange (1) normally to the next process and then stops. Then, a group of flanges (1) are placed on the loading conveyor (21), and the loading conveyor (21) transports the flange (1) to one side of the transport conveyor (22) and stops. The first detection motor (23) starts to drive the first limit plate (41) to move half of the moving distance of the second limit plate (42) and then stops. Then, the pushing mechanism (3) pushes the flange (1) onto the transport conveyor (22) and then stops. Then, the adjusting mechanism (5) adjusts the pushing distance of the pushing mechanism (3) to push the flange (1) to close to the first limit plate (41). After the first pressure sensor detects the pressure, the adjusting mechanism (5) completes the adjustment of the pushing distance of the pushing mechanism (3).

2. A feeding device according to claim 1, characterized in that: The adjusting mechanism (5) comprises a base (51) arranged on the frame (2), a mounting plate (52) slidably mounted on the base (51), and an adjusting motor (53) arranged on the base (51); the adjusting motor (53) is transmission-connected to the mounting plate (52); the pushing mechanism (3) is arranged on the mounting plate (52); and the mounting plate (52) slides in a direction approaching or moving away from the transport conveyor belt (22).

3. A feeding device according to claim 1, characterized in that: The pushing mechanism (3) comprises a pushing cylinder (31), a lifting cylinder (32) and a push plate (33); the pushing cylinder is arranged on the adjusting mechanism (5); the lifting cylinder (32) is arranged on the piston rod of the pushing cylinder (31); the push plate (33) is arranged on the piston rod of the lifting cylinder (32); after the lifting cylinder (32) is extended, the push plate (33) can be used to push the flange (1) from the loading conveyor belt (21) to the transport conveyor belt (22); the pushing cylinder (31) is used to push the flange (1) from the loading conveyor belt (21) to the transport conveyor belt (22) through the push plate (33).

4. A feeding device according to claim 3, characterized in that: The push plate (33) is provided with a plurality of limit grooves (332) extending therethrough, and when the push plate (33) pushes the flange (1), the flange (1) is clamped in the limit grooves (332).

5. A feeding device according to claim 4, characterized in that: The push plate (33) is slidably mounted with a limit frame, and when the push plate (33) is used to push the flange (1), the limit frame is used to limit the flange (1) from leaving the limit groove (332).

6. A feeding device according to claim 1, characterized in that: The frame (2) above the feeding conveyor belt (21) is provided with two baffles (62), the baffles (62) are distributed along the transport direction of the feeding conveyor belt (21), the baffles (62) are raised and lowered on the frame (2) through the mounting frame (61), and when the baffles (62) are lowered, the baffles (62) are used to block the movement of the flange (1) on the feeding conveyor belt (21), and the frame (2) is provided with a tidying cylinder (6) for driving the mounting frame (61) to rise and fall.

7. A feeding device according to claim 6, characterized in that: The frames (2) on both sides of the feeding conveyor belt (21) are each provided with a third limiting plate (71), the third limiting plate (71) being used to limit the flange (1) from sliding off the feeding conveyor belt (21), the third limiting plate (71) being provided with a height limiting plate (72), the height limiting plate (72) being in contact with the flange surface of the flange (1).

8. A feeding device according to claim 7, characterized in that: The frame (2) is provided with a plurality of mounting seats (7), the mounting seats (7) corresponding to the third limit plates (71) one by one, the third limit plates (71) being mounted on the mounting seats (7) in a lifting and sliding manner, the mounting seats (7) being provided with a lifting motor, the lifting motor being in driving connection with the third limit plates (71), the height limiting plates (72) being provided with a proximity switch, the proximity switch being electrically connected with the lifting motor.

9. A wheel hub bearing assembly line, characterized in that: The invention comprises a loading device, an assembly line and a discharging device, wherein the loading device is used to transport the flange (1) to the assembly line, the assembly line is used to assemble the wheel hub bearing, and the discharging device is used to output the assembled wheel hub bearing, wherein the loading device adopts the loading device according to any one of claims 1 to 8.

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