A production line for wheel hub bearings

Abstract

The application relates to the technical field of production lines, in particular to a production line for hub bearings, which comprises a quality inspection part; the production line for hub bearings can clamp the outer ring of the hub bearing on the production line through the clamp in the quality inspection part, and can drive the inner ring of the hub bearing to rotate synchronously through the positioning inserting rod; if the bearing cannot rotate or discontinuous blockage occurs during rotation, the inner ring will drive the outer ring of the bearing to rotate, then the conductive plate will be driven to rotate to form a closed loop under the clamping force of the clamp, then an alarm will be sent, the efficiency of the quality inspection process in the hub bearing production process can be improved, and timely alarm can be given for the hub bearings that do not meet the production requirements; and manual operation is not needed, the product is loosened again, the rotating seat can be rotated after entering the rotating seat, the unqualified products are screened out separately, and the unqualified rate of the product production line can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of production line, specifically to a production line for hub bearing. BACKGROUND

[0002] The hub bearing is a part applied to the axle of the automobile to bear the load and provide accurate guidance for the rotation of the hub, which bears the axial load and the radial load and is an important part of the automobile load and rotation.

[0003] The production process of the hub bearing includes assembly, quality inspection and other processes, and the final quality inspection process mainly checks the assembly firmness of the bearing and the rotation performance of the bearing, which is an important link in the production line of the hub bearing; the most common way of quality inspection is to rotate the hub bearing to detect whether the bearing rotates smoothly, if the bearing cannot rotate or appears discontinuous blockage during rotation, etc., such bearings do not meet the factory requirements. The main factors to consider are the installation failure of the contact ball inside the bearing which plays a rolling friction reduction role or the insufficient filling of lubricating grease. Therefore, in order to improve the efficiency of the quality inspection process in the production process of the hub bearing, a production line capable of realizing this production process is needed, and the hub bearing that does not meet the production requirements can be alarmed and screened out in time to reduce the unqualified rate of finished products. In view of this, we propose a production line for hub bearing. SUMMARY

[0004] In order to make up for the above shortcomings, the present application provides a production line for hub bearing.

[0005] The technical scheme of the present application is:

[0006] A production line for hub bearing, comprising a conveying belt capable of carrying and conveying hub bearings, the conveying belt comprising a first conveying belt and a second conveying belt, further comprising:

[0007] A quality inspection part, the quality inspection part comprising a lifting plate capable of lifting up and down along the vertical direction by a driving source, a positioning plug rod capable of being inserted into the inner ring of the hub bearing shaft and realizing synchronous rotation of the inner ring being arranged below the lifting plate, a rotating seat being rotatably mounted at the rear end of the quality inspection part by a rotating source, and the first conveying belt being fixedly mounted on the rotating seat.

[0008] Preferably, a regular shuttle frame capable of realizing the neat arrangement of the hub bearings is arranged on the second conveying belt and located at the front end of the quality inspection part; the quality inspection part comprises a clamp, and the clamp is provided with two symmetrical clamping covers capable of clamping the hub bearings.

[0009] Preferably, the quality inspection department comprises an outer fixing frame, symmetrically arranged height adjusting seats are fixedly installed on the outer fixing frame, a screw rod is rotatably installed below the height adjusting seat and a guide rod is fixedly installed, a lifting plate is threadedly connected with the screw rod and is slidably installed on the guide rod.

[0010] Preferably, the screw rod is coaxially fixedly connected with an output shaft of the driving source, and the driving source adopts a driving motor.

[0011] Preferably, the positioning plug rod is rotatably installed below the lifting plate, an extrusion end block capable of avoiding relative sliding between the positioning plug rod and an inner ring of the hub bearing is arranged at the end of the positioning plug rod, and the extrusion end block adopts a circular truncated cone structure.

[0012] Preferably, the extrusion end block is made of an elastic material or is provided with an inflatable capsule on the surface, and an anti-skid protrusion capable of improving the anti-skid ability is fixedly connected to the surface of the extrusion end block.

[0013] Preferably, a sliding rod is fixedly installed between the two side frame bodies of the outer fixing frame, the clamp comprises a connecting plate fixedly installed above the clamping cover, and the clamp is slidably installed on the sliding rod through the connecting plate.

[0014] Preferably, gear plates symmetrically arranged at the center are fixedly connected to the two connecting plates, and a driving gear capable of meshing with the two gear plates is rotatably installed on the outer fixing frame.

[0015] Preferably, warning lights are installed on the two clamping covers, the conductive plates are rotatably installed on any one of the two clamping covers, the other conductive plate is fixedly installed, and the two conductive plates and the warning lights are electrically connected through wires to form a warning loop.

[0016] Preferably, the rotation source of the rotating seat is electrically connected with the warning loop on the clamping cover through wires, and the power source can control the rotation of the rotating seat to realize the classification and screening of unqualified hub bearings.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] The production line of the hub bearing can clamp the outer ring of the hub bearing on the production line through the clamp in the quality inspection part, and the inner ring of the hub bearing can be driven to rotate synchronously through the positioning plug rod, if the bearing cannot rotate or discontinuous blockage occurs when rotating, the inner ring will drive the outer ring of the bearing to rotate, and then drive the conductive plate to rotate to form a closed loop under the clamping force of the clamp, and then issue a warning, which can improve the efficiency of the quality inspection process in the hub bearing production process, and timely warning can be made for the hub bearing that does not meet the production requirements; and manual operation is not required, the schematic product is loosened again, the rotating seat can be rotated after entering the rotating seat, the unqualified product is screened out alone, and the unqualified rate of the product production line can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the application;

[0020] Figure 2 It is a schematic diagram of the local structure of the application;

[0021] Figure 3 It is a schematic diagram of the quality inspection part of the application;

[0022] Figure 4 It is a partial view of the quality inspection part of the application;

[0023] Figure 5 It is a schematic diagram of the clamp of the application;

[0024] Figure 6 It is a schematic diagram of the local structure of the application;

[0025] Figure 7 It is a schematic diagram of the positioning plug rod of the application.

[0026] The meanings of the various reference numerals in the drawings are as follows:

[0027] 1, conveying belt; 2, regular shuttle frame; 3, quality inspection part; 31, outer fixing frame; 32, sliding rod; 33, height adjustment seat; 34, clamp; 341, clamping cover; 342, conductive plate; 343, connecting plate; 344, gear plate; 35, lifting plate; 36, positioning plug rod; 361, extrusion end block; 362, anti-skid protrusion; 37, guide rod; 38, screw; 39, driving gear; 4, rotating seat. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0029] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0030] Please refer to Figures 1-7 , the present application is described in detail by the following examples: Embodiment

[0031] A production line of hub bearings, comprising a conveying belt 1 capable of carrying and conveying hub bearings, the conveying belt 1 comprising a first conveying belt and a second conveying belt, further comprising:

[0032] A quality inspection part 3, the quality inspection part 3 comprising a lifting plate 35 capable of lifting up and down along the vertical direction by a driving source, a positioning plug 36 capable of being plugged into the inner ring of the hub bearing shaft and realizing synchronous rotation of the inner ring is arranged below the lifting plate 35; a rotating seat 4 is rotatably installed at the rear end of the quality inspection part 3 by a rotating source, and the first conveying belt is fixedly installed on the rotating seat 4.

[0033] The second conveying belt and the front end of the quality inspection part 3 are provided with a regular shuttle frame 2 capable of realizing the neat arrangement of the hub bearings, as shown in Figure 1 , two regular shuttle frames 2 are arranged, which can make the hub bearings arranged between the two regular shuttle frames 2 in turn. The quality inspection part 3 comprises a clamp 34, and two symmetrical clamping covers 341 capable of clamping the hub bearings are arranged on the clamp 34.

[0034] The quality inspection part 3 comprises an outer fixing frame 31, symmetrical height adjusting seats 33 are fixedly installed on the outer fixing frame 31, a screw rod 38 is rotatably installed below the height adjusting seat 33, and a guide rod 37 is fixedly installed, the lifting plate 35 is threadedly connected with the screw rod 38, and the lifting plate 35 is slidably installed on the guide rod 37. The screw rod 38 is coaxially fixedly connected with the output shaft of the driving source, and the driving source adopts a driving motor. As shown in Figure 1 and Figure 2 , when the driving motor drives the screw rod 38 to rotate, the lifting plate 35 can be lifted based on the screw principle.

[0035] The positioning inserting rod 36 is rotatably installed below the lifting plate 35, and the end of the positioning inserting rod 36 is provided with an extrusion end block 361 capable of avoiding relative sliding with the inner ring of the hub bearing shaft, and the extrusion end block 361 adopts a circular truncated cone structure; the extrusion end block 361 of the embodiment is made of elastic material, and the surface of the extrusion end block 361 is fixedly connected with anti-skid protrusions 362 capable of improving the anti-skid ability. The elastic material of the embodiment adopts a rubber material, such as Figure 5 The extrusion end block 361 can be inserted into the bearing inner ring from top to bottom, so that it is extruded and fixed with the inner ring, and can be applied to bearings with different inner ring diameters. It has a wide range of applications.

[0036] The sliding rod 32 is fixedly installed between the two side frame bodies of the outer fixing frame 31, the clamp 34 includes a connecting plate 343 fixedly installed above the clamping cover 341, and the clamp 34 is slidably installed on the sliding rod 32 through the connecting plate 343; the two connecting plates 343 are fixedly connected with gear plates 344 that are centrally and symmetrically arranged, and the outer fixing frame 31 is rotatably installed with a driving gear 39 capable of meshing with the two gear plates 344. The driving motor drives the driving gear 39 to rotate, so that the two clamping covers 341 are synchronously opened and closed, and the uniform clamping force can be maintained.

[0037] The warning light is installed on the two clamping covers 341, and the conductive plate 342 is rotatably installed on any one of the two clamping covers 341, and the other conductive plate 342 is fixedly installed. The two conductive plates 342 and the warning light are electrically connected through wires to form a warning loop; the rotation source of the rotating seat 4 is electrically connected with the warning loop on the clamping cover 341 through wires, and the power source can control the rotation of the rotating seat 4 to realize the classification and screening of unqualified hub bearings. That is, when the hub bearing has good rotation or is qualified, the inner ring rotates smoothly when the outer ring is fixedly clamped, and there is no hindering effect; but if it is unqualified or cannot rotate, the inner ring rotates to drive the outer ring to rotate, thereby rotating the conductive plate 342, closing the closed loop, completing the warning, and at the same time controlling the driving motor as the rotation source to rotate, so that the rotating seat 4 rotates, and the unqualified hub bearings are distinguished from the normal conveying path, realizing the screening process, and ensuring the continuity of the assembly line, without manual removal of unqualified products.

[0038] The production line of the hub bearing of the embodiment, the workers take the conveying belt 1 as the conveying platform of the production line, arrange the hub bearings produced and assembled in order through two regular shuttle frames 2, then drive the driving motor to rotate the driving gear 39, adjust the clamping degree to clamp the hub bearing, then control the lifting plate 35 to go up and down, make the positioning plug rod 36 at the end of the plug rod 36 inserted into the inner ring of the bearing, and extrude to not slide relatively, then drive the driving motor to rotate the positioning plug rod 36, if the bearing rotates smoothly, the small friction cannot overcome the clamping force, only the inner ring rotates; but if the rotation is blocked or directly cannot rotate, the bearing as a whole is subjected to the rotating force, and overcomes the clamping force to rotate the conductive plate 342, to form a conductive electric circuit, the warning light is on, the unqualified hub product is found, the driving motor is reset, the clamp 34 is loosened, and the unqualified product is continuously conveyed to the rotating seat 4 behind, the rotating seat 4 rotates an angle, and the unqualified product is screened out; if it is qualified, the continuous production line structure as shown in Figure 1 can be kept, and the production line can complete the quality inspection process. Embodiment

[0039] A production line of a hub bearing, comprising a conveying belt 1 capable of carrying and conveying the hub bearing, and further comprising:

[0040] A quality inspection part 3, the quality inspection part 3 comprising a lifting plate 35 capable of being lifted up and down along the vertical direction through a driving source, the lifting plate 35 below being provided with a positioning plug rod 36 capable of being inserted into the inner ring of the hub bearing at the center of the shaft and realizing synchronous rotation of the inner ring; the quality inspection part 3 rear end being rotatably installed with a rotating seat 4 through a rotating source, the rotating seat 4 being fixedly installed with the conveying belt 1.

[0041] The conveying belt 1 and the quality inspection part 3 front end are provided with regular shuttle frames 2 capable of realizing the neat arrangement of the hub bearings, as shown in Figure 1 , two regular shuttle frames 2 are provided, which can make the hub bearings arranged between the two regular shuttle frames 2 in turn. The quality inspection part 3 comprises a clamp 34, the clamp 34 being provided with two symmetrically arranged clamping covers 341 capable of clamping the hub bearing.

[0042] The quality inspection part 3 comprises an outer fixed frame 31, the outer fixed frame 31 being fixedly installed with symmetrically arranged height adjusting seats 33, the height adjusting seats below being rotatably installed with a screw rod 38 and fixedly installed with a guide rod 37, the lifting plate 35 being threadedly connected with the screw rod 38 and slidably installed on the guide rod 37. The screw rod 38 is coaxially fixedly connected with the output shaft of the driving source, and the driving source adopts a driving motor. Combined with the structures shown in Figure 1 and Figure 2 , when the driving motor drives the screw rod 38 to rotate, the lifting plate 35 can be lifted up and down based on the screw rod principle.

[0043] The positioning plug rod 36 is rotatably installed below the lifting plate 35, and the end of the positioning plug rod 36 is provided with an extrusion end block 361 capable of avoiding relative sliding with the inner ring of the hub bearing shaft, and the extrusion end block 361 adopts a circular truncated cone structure.

[0044] The embodiment needs to be noted that the surface of the extrusion end block 361 is provided with an inflatable capsule, and the surface of the inflatable capsule is fixedly connected with anti-skid protrusions 362 capable of improving the anti-skid ability. The inflatable capsule of the embodiment adopts an inflatable rubber air bag. When the extrusion end block 361 can be inserted into the bearing inner ring from top to bottom, the inflatable rubber air bag is inflated by injecting gas, and then the inflatable rubber air bag is extruded with the inner ring, so as to ensure the close extrusion and fixation with the inner ring.

[0045] The sliding rods 32 are fixedly installed between the two side frame bodies of the outer fixing frame 31, the clamps 34 include the connecting plates 343 fixedly installed above the clamping covers 341, the clamps 34 are slidably installed on the sliding rods 32 through the connecting plates 343, the gear plates 344 symmetrically arranged at the center are fixedly connected on the two connecting plates 343, and the driving gears 39 capable of meshing with the two gear plates 344 are rotatably installed on the outer fixing frame 31. The driving motor drives the driving gear 39 to rotate, so that the two clamping covers 341 are synchronously opened and closed, and the uniform clamping force can be maintained.

[0046] The warning lights are installed on the two clamping covers 341, the conductive plates 342 are rotatably installed on any one of the two clamping covers 341, and the other conductive plate 342 is fixedly installed. The two conductive plates 342 and the warning lights are electrically connected through wires to form a warning loop. The rotation source of the rotating seat 4 is electrically connected with the warning loop on the clamping cover 341 through wires, and the power source can control the rotation of the rotating seat 4 to realize the classification and screening of unqualified hub bearings. That is, when the hub bearing has good rotation or is qualified, the inner ring is smoothly rotated when the outer ring is fixedly clamped, and there is no hindering effect. However, if it is unqualified or cannot be rotated, the inner ring is rotated to drive the outer ring to rotate, and then the conductive plate 342 is rotated to form a closed loop after being closed, the warning is completed, and the driving motor as the rotation source is also controlled to rotate, so that the rotating seat 4 is rotated at an angle, the unqualified hub bearing is distinguished from the normal conveying path, the screening process is realized, and the continuity of the assembly line is ensured, and manual removal of unqualified products is not required.

[0047] The production line of the hub bearing of the embodiment, the workers pass the hub bearing assembled by the conveying belt 1 as the conveying platform of the production line, and arrange the hub bearings in order through two regular shuttle frames 2. Then, the driving motor drives the driving gear 39 to rotate, adjusts the clamping degree of the hub bearing, controls the lifting plate 35 to go up and down, and makes the end of the positioning plug 36 inserted into the inner ring of the bearing. The rubber air bag is injected with inert argon, the bag body is expanded to press the inner ring of the bearing. Then, the driving motor drives the positioning plug 36 to rotate. If the bearing rotates smoothly, the smaller friction cannot overcome the clamping force, and only the inner ring rotates. However, if the rotation is blocked or directly cannot rotate, the whole bearing is subjected to the rotating force, the clamping force is overcome, the conductive plate 342 is driven to rotate, the conductive circuit is formed, the warning light is on, the unqualified hub product is found, the driving motor is reset, the clamp 34 is loosened, the inert argon in the rubber air bag is released, and the bearing is loosened. The unqualified product is continuously conveyed to the rear rotating seat 4, the rotating seat rotates at an angle, and the unqualified product is screened out. If it is qualified, the continuous production line structure as shown in the figure can be kept, the production quality inspection process can be completed, and the advantages of the embodiment are achieved. Figure 1 The production quality inspection process can be completed.

[0048] The basic principle, main features and advantages of the application are shown and described. It should be understood by the person skilled in the art that the application is not limited to the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the application, and are not used to limit the application. Without departing from the spirit and scope of the application, various changes and improvements can be made to the application, and these changes and improvements all fall within the scope of the application. The scope of protection of the application is defined by the appended claims and their equivalents.

Claims

1. A production line for wheel hub bearings, comprising a conveyor belt (1) capable of carrying and transporting wheel hub bearings, the conveyor belt (1) comprising a first conveyor belt and a second conveyor belt, characterized in that: Also includes: The quality inspection department (3) includes a lifting plate (35) that can be raised and lowered vertically by a drive source. A positioning rod (36) is provided below the lifting plate (35) that can be inserted into the inner ring of the hub bearing shaft and realize the synchronous rotation of the inner ring. A rotating seat (4) is rotatably installed at the rear end of the quality inspection department (3) by a rotation source. The first conveyor belt is fixedly installed on the rotating seat (4). The second conveyor belt, located at the front end of the quality inspection section (3), is equipped with a regular shuttle frame (2) capable of arranging wheel hub bearings neatly; the quality inspection section (3) includes a clamp (34), on which two symmetrically arranged clamping covers (341) capable of clamping the wheel hub bearings are provided; the end of the positioning rod (36) is provided with a pressing end block (361) capable of preventing relative sliding between the rod and the inner ring of the wheel hub bearing shaft; the pressing end block (361) is made of elastic material or has an expandable bladder on its surface, and the surface of the pressing end block (361) is fixedly connected with... Anti-slip protrusions (362) that can improve anti-slip ability; warning lights are installed on the clamping covers (341) on both sides; a conductive plate (342) is rotatably installed on one side of the clamping covers (341) on both sides; the conductive plate (342) on the other side is fixedly installed; the conductive plates (342) on both sides and the warning lights are electrically connected by wires to form an alarm circuit; the rotation source of the rotating seat (4) is electrically connected to the alarm circuit on the clamping cover (341) by wires; the rotation source can control the rotation of the rotating seat (4) to achieve the classification and screening of unqualified wheel hub bearings.

2. The wheel hub bearing production line as described in claim 1, characterized in that: The quality inspection department (3) includes an external fixing frame (31), on which symmetrically arranged height adjustment seats (33) are fixedly installed. A screw (38) is rotatably installed below the height adjustment seat (33) and a guide rod (37) is fixedly installed. The lifting plate (35) is threadedly connected to the screw (38) and the lifting plate (35) is slidably installed on the guide rod (37).

3. The wheel hub bearing production line as described in claim 2, characterized in that: The screw (38) is fixedly connected coaxially to the output shaft of the drive source, and the drive source is a drive motor.

4. The wheel hub bearing production line as described in claim 3, characterized in that: The positioning rod (36) is rotatably mounted below the lifting plate (35), and the extrusion end block (361) adopts a frustum-shaped structure.

5. The wheel hub bearing production line as described in claim 4, characterized in that: A sliding rod (32) is fixedly installed between the two sides of the outer fixing frame (31). The clamp (34) includes a connecting plate (343) fixedly installed above the clamping cover (341). The clamp (34) is slidably installed on the sliding rod (32) through the connecting plate (343).

6. The wheel hub bearing production line as described in claim 5, characterized in that: Gear plates (344) are fixedly connected to the connecting plates (343) on both sides and are arranged symmetrically to each other. A drive gear (39) that can mesh with the gear plates (344) on both sides is rotatably mounted on the outer fixing frame (31).

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