A pallet positioning mechanism for a booster assembly line product

Abstract

The present invention relates to a product tray positioning mechanism for a booster assembly line, comprising a main mechanical component, a product positioning kit, a rotation positioning kit and a pneumatic swing driver; the product positioning kit and the rotation positioning kit are installed on the main mechanical component, and the product positioning kit is located inside the assembly line conveyor line; the output shaft of the pneumatic swing driver is connected to the rotation positioning kit; the lower end of the product positioning kit is matched and installed in the rotation positioning kit, and the upper end is a groove structure; the rotation positioning kit drives the product positioning kit to rotate axially. Compared with the prior art, the present invention has the advantages of high automation, reduced labor intensity, improved safety, improved efficiency and yield rate, etc.

Description

Technical Field

[0001] The present invention relates to a pallet positioning mechanism, and more particularly to a pallet positioning mechanism for products on a booster assembly line. Background Art

[0002] On various automated production lines, various robotic arms complete processes such as loading and unloading workpieces, positioning and clamping, workpiece conveying, cutting processing, and even packaging. However, before these operations, the workpiece or the workpiece pallet needs to be positioned in two axial directions on the plane before the above-mentioned predetermined process can be further completed. Currently, pneumatic blocking mechanisms and push-clamp-and-hold positioning methods are commonly used. These methods often have a large impact force, causing mutual wear between the positioning mechanism and the pallet, and the rebound after impact results in a long positioning time. Some companies install stop methods on the side of the assembly line, but this method only has unilateral force, resulting in a relatively large positioning error and unstable positioning of the product.

[0003] For the assembly of booster products in automobile production, due to the characteristics of the booster products, that is, there are mounting screws and push rods at the bottom, the production positioning of the booster products is fixed by riveting four screws on the booster housing. Currently, most production lines are manual lines, and the products are transported from one station to the next entirely by manual labor, or semi-automatic line products are transported from one station to the next by a conveyor chain, and then manually removed and placed on the assembly station. This existing method increases the labor intensity of workers and also requires more workers.

[0004] Therefore, designing a pallet positioning mechanism on the assembly line to achieve accurate and stable positioning and facilitate the online assembly of products has important economic significance. Summary of the Invention

[0005] The purpose of the present invention is to overcome the defects of the above-mentioned existing technologies and provide a pallet positioning mechanism for products on a booster assembly line.

[0006] The purpose of the present invention can be achieved by the following technical solutions:

[0007] A pallet positioning mechanism for products on a booster assembly line includes a main mechanical component, a product positioning kit, a rotary positioning component, and a pneumatic swing drive.

[0008] The product positioning kit and the rotary positioning component are installed on the main mechanical component; the main mechanical component is installed on an installation tabletop, preferably on the equipment tabletop of the assembly station; during installation, the product positioning kit is located inside the conveyor line of the assembly line.

[0009] The output shaft of the pneumatic swing drive is connected to the rotary positioning component.

[0010] The lower end of the product positioning kit is matched and installed in the rotation positioning assembly, and the upper end is a groove structure;

[0011] A fixing rod is provided at the lower part of the product tray, and the fixing rod is clamped with the groove structure.

[0012] The rotation positioning assembly drives the product positioning kit to rotate axially.

[0013] The rotation positioning assembly is provided with a limit pin, and the product positioning kit is provided with a limit block matching the limit pin along its ring direction.

[0014] When the opening direction of the groove is the same as that of the conveying chain, one end of the limit block is in contact with and connected to the limit pin; when the opening direction of the groove is opposite to that of the conveying chain, the other end of the limit block is in contact with and connected to the limit pin.

[0015] The booster assembly line product tray positioning mechanism also includes a controller, and the controller is connected to the pneumatic swing driver signal.

[0016] Sensors are installed on the assembly line to detect the inflow and outflow of pallets at the assembly station. The sensor detection signal is sent to the controller, and the controller sends a signal to drive the pneumatic swing drive.

[0017] The upper end of the product positioning kit is a groove structure composed of two straight plates and one arc plate.

[0018] The rotary positioning assembly includes a driving gear, a driven gear, a tightening sleeve, and a bearing; the pneumatic swing driver drives the driving gear to rotate; the tightening sleeve is installed inside the driving gear, the driving gear and the driven gear are meshed, and the driven gear is connected to the product positioning kit; the bearing sleeve is mounted on the product positioning kit.

[0019] The bearing is preferably a deep groove ball bearing.

[0020] The rotation positioning assembly also includes a thrust ball needle bearing, which is sleeved on the product positioning kit.

[0021] The main mechanical assembly includes a left-side spacing adjustment positioning piece, a right-side spacing adjustment positioning piece, a main mechanical body, a clamping plate and a fastener; the left-side spacing adjustment positioning piece and the right-side spacing adjustment positioning piece are fixedly installed on the mounting table of the assembly station; the main mechanical structure can be slid and installed between the left-side spacing adjustment positioning piece and the right-side spacing adjustment positioning piece; a through groove is provided on the main mechanical structure; the clamping plate is installed on the main mechanical structure through a fastener; the fastener extends from the through groove and is fixedly connected to the mounting table.

[0022] The fastener is a locking screw.

[0023] The main body of the machine is provided with a sunken structure, and the through groove is arranged in the sunken structure; the pressing plate is installed in the sunken structure; bushings are respectively arranged on both sides of the groove.

[0024] The working principle of the present invention is as follows:

[0025] This booster assembly line product tray positioning mechanism is installed on the equipment tabletop at the assembly station. The product positioning kit is inside the conveyor chain. When the product tray flows along the conveyor chain, it directly reaches the booster assembly line product tray positioning mechanism (the initial position opening of the positioning sleeve rod faces the opposite direction of the conveyor chain operation). The fixing rod under the tray directly flows into the product positioning kit. The assembly station senses the entry of the tray, and the control part gives a signal to the pneumatic swing drive to make the product positioning kit rotate inward by 90 degrees (the pneumatic swing drive is in the middle position). The opening direction of the product positioning kit is perpendicular to the conveyor chain, and it enters the product assembly position; after the assembly is completed, the control part gives a signal to the pneumatic swing drive for the assembly completion signal, so that the product positioning kit rotates 90 degrees in the original rotation direction (the opening of the positioning sleeve rod 5 has rotated 180 degrees from the initial direction, and the opening faces the same direction as the conveyor chain operation direction). The tray flows out of the station and flows to the next station. After the sensor installed in the middle of the conveyor chain senses the tray flowing out, it gives a tray outflow signal to the pneumatic swing drive, and the pneumatic swing drive reverses 180 degrees, and the opening of the product positioning kit returns to the initial position, and the whole process is completed.

[0026] This invention utilizes the three position states of 0 degrees, the middle position, and 180 degrees of the pneumatic swing drive driving the rotating positioning component and then driving the product positioning kit, so that the product tray can flow, be positioned, and flow out smoothly on the conveyor chain.

[0027] The method for the present invention to adjust the distance between the product positioning kits to be applicable to different product trays is as follows:

[0028] Different product trays have different fixed screw rod distances. In the present invention, by loosening the fasteners, since the main body of the machine is provided with a through groove, the main body of the machine can slide between the left distance adjustment positioning piece and the right distance adjustment positioning piece, adjust the position of the main body of the machine, and thus adjust the relative position of the product positioning kits. When the positions of the two product positioning kits can just clamp the fixing rod under the tray, the position is adjusted, and the fasteners are tightened to complete the adjustment.

[0029] Compared with the prior art, the present invention uses a product positioning kit, a pneumatic swing drive, and a limit pin to position the product and the inflow and outflow conveyor chain parts. The product positioning kit positions the product to ensure the stability during product assembly; the tray can flow in and out of the conveyor chain unobstructed. The left spacing adjustment positioning part, the right spacing adjustment positioning part, the main body machinery, the bushing, the pressing plate, and the locking screw are used to adjust the spacing (making tooling according to different product requirements) and fix parts. The positioning spacing is adjustable and can adapt to boosters with different fixed lead screw spacings. The present invention has the following advantages:

[0030] 1. Improve the degree of automation: The degree of automation of the assembly line is improved, and the automation rate of product assembly and performance detection is greatly increased.

[0031] 2. Reduce labor intensity: The operation of handling and placing products by operators is no longer required during product assembly and functional testing, reducing the work intensity of workers. Workers only need to be responsible for operating the equipment.

[0032] 3. Improve safety: With the increase in the degree of automation, some original manual operations can be completed by the equipment, and workers no longer need to be in close contact with the conveyor chain and the main body assembly mechanism during operation.

[0033] 4. Improve efficiency and the qualified product rate: The time for manual handling and placing and positioning of products is saved, improving the efficiency of the assembly line; workers no longer contact the product tray, preventing accidental dropping and bumping of products, and improving the qualified product rate of products. Brief Description of the Drawings

[0034] Figure 1 is a structural schematic diagram of the present invention;

[0035] Figure 2 is a structural schematic diagram of the rotary positioning component in the present invention;

[0036] In the figure, 1 is the left spacing adjustment positioning part, 2 is the right spacing adjustment positioning part, 3 is the main body machinery, 4 is the pneumatic swing drive, 5 is the product positioning kit, 6 is the limit pin, 7 is the bushing, 8 is the pressing plate, 9 is the fastener; 10 is the limit block; 11 is the driving gear, 12 is the driven gear, 13 is the expansion sleeve, 14 is the bearing, 15 is the thrust ball needle bearing. Detailed Embodiment

[0037] The present invention will be described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made. These all belong to the protection scope of the present invention.

[0038] Embodiment

[0039] A positioning mechanism for product trays on a booster assembly line, the structure of which is as follows Figure 1 shown, including a main body mechanical assembly, a product positioning kit 5, a rotary positioning assembly, and a pneumatic swing drive 4;

[0040] The main body mechanical assembly is installed on the equipment table surface of the assembly station, so that the product positioning kit 5 is located inside the assembly line conveyor; the output shaft of the pneumatic swing drive 4 is connected to the rotary positioning assembly; the lower end of the product positioning kit 5 is installed in the rotary positioning assembly in a matching manner, and the upper end is a groove structure; in this embodiment, the upper end of the product positioning kit 5 is a groove structure composed of two straight plates and an arc plate; the rotary positioning assembly drives the product positioning kit 5 to rotate axially; a limit pin 6 is provided on the rotary positioning assembly, and a limit block 10 matching the limit pin 6 is provided on the product positioning kit 5 along its circumferential direction; when the opening direction of the groove structure at the upper end of the product positioning kit 5 is the same as that of the conveyor chain, one end of the limit block 10 is in contact connection with the limit pin 6; when the groove opening direction is opposite to the conveyor chain, the other end of the limit block 10 is in contact connection with the limit pin 6.

[0041] To improve the degree of automation, the present invention also provides a sensor, which drives the pneumatic swing drive by detecting the inflow and outflow of the trays at the assembly station, so that the groove at the upper end of the product positioning kit 5 rotates, automatically positioning the product tray and realizing the automatic restoration of the tray positioning mechanism.

[0042] The structure of the rotary positioning assembly of the present invention is as follows Figure 2 shown, including a driving gear 11, a driven gear 12, a shrink disc 13, a bearing 14, and a thrust ball needle bearing 15; the shrink disc 13 is installed inside the driving gear 11; the output end of the pneumatic swing drive 4 drives the driving gear 11 to rotate through the shrink disc 13; the driving gear 11 and the driven gear 12 are meshed to drive the driven gear 12 to rotate; the driven gear 12 is connected to the lower end of the product positioning kit 5; the bearing 14 is sleeved on the product positioning kit 5; in order to prevent the shaft of the product positioning kit 5 from moving axially, a thrust ball needle bearing 15 is provided; the thrust ball needle bearing 15 is sleeved on the product positioning kit 5.

[0043] In order to adapt to different product shapes and structures, the present invention provides an adjustable main mechanical component, which can adjust the position of the product positioning kit 5 relative to the conveying chain to be used for different tray structures. The main mechanical component includes a left spacing adjustment positioning member 1, a right spacing adjustment positioning member 2, a main machine 3, a pressing plate 8 and a fastener 9; the left spacing adjustment positioning member 1 and the right spacing adjustment positioning member 2 are fixedly installed on the equipment table surface at the assembly station; the main machine 3 is slidably installed between the left spacing adjustment positioning member 1 and the right spacing adjustment positioning member 2, and both sides of the main machine 3 are respectively in contact with the left spacing adjustment positioning member 1 and the right spacing adjustment positioning member 2; a sunken structure is provided on the main machine 3, a through groove is provided in the sunken structure, the pressing plate 8 is installed in the sunken structure through the fastener 9, and both ends thereof are respectively in contact connection with the left spacing adjustment positioning member 1 and the right spacing adjustment positioning member 2; the fastener 9 extends out from the through groove and is fixedly connected to the equipment table surface; in order to prevent wear, bushings 7 are respectively provided on both sides of the sunken structure; the fastener 9 is a locking screw.

[0044] The usage method of the present invention is as follows: Install the main mechanical component on the equipment table surface at the assembly station, so that the product positioning kit 5 is located inside the conveying line of the assembly line. Loosen the fastener 9, and the main machine 3 can slide between the left spacing adjustment positioning member 1 and the right spacing adjustment positioning member 2 to adjust the position of the main machine 3, thereby adjusting the relative position of the product positioning kit 5. When the positions of the two product positioning kits 5 can just clamp the fixing rod under the tray, the position is adjusted, and the fastener 9 is tightened.

[0045] Set the product positioning kit to the initial state, that is, the state where the groove opening at the upper end of the product positioning kit 5 faces the opposite direction of the conveying chain operation direction; then, the product tray flows along the conveying chain and directly reaches the product tray positioning mechanism of the booster assembly line. The fixing rod under the tray directly flows into the product positioning kit 5. When the assembly station senses that the product tray enters, the control part sends a signal to the pneumatic swing drive to make the product positioning kit 5 rotate inward by 90 degrees (the pneumatic swing drive is in the middle position). The opening direction of the product positioning kit 5 is perpendicular to the conveying chain and faces the inside of the conveying chain. At this time, it enters the product assembly position; the assembly equipment assembles the product. After the assembly is completed, the control part sends a signal to the pneumatic swing drive 4 for the signal of the assembly completion, so that the product positioning kit 5 continues to rotate by 90 degrees in the original rotation direction. After rotation, the groove opening of the product positioning kit 5 rotates 180 degrees from the initial direction, and the opening direction is the same as the conveying chain operation direction. The product tray flows out of the assembly station and reaches the next station; when the sensor installed in the middle of the conveying chain senses that the tray flows out, it sends a tray outflow signal to the pneumatic swing drive 4, and the pneumatic swing drive 4 then reverses 180 degrees, and the product positioning kit 5 returns to the initial position, and the whole process is completed.

[0046] When the product to be conveyed changes, the positions of the tray for conveying the product and the fixing rod under the tray also change. At this time, loosen the fastener 9 again to adjust the position of the main body mechanism and thus adjust the position of the product positioning kit to meet the requirements of different product trays. After adjusting the position, tighten the fastener 9.

[0047] The present invention improves the degree of automation, enhances the automation degree of the assembly line, and greatly improves the automation rate of product assembly and performance detection; reduces the labor intensity, as the operation workers no longer need to carry and place the products during the product assembly and function detection stations, thus reducing the working intensity of the workers, who only need to be responsible for the operation of the equipment; improves the safety, as some original manual operations can be completed by the equipment with the improvement of the automation degree, and the workers no longer come into close contact with the conveying chain and the main body assembly mechanism during operation; improves the efficiency and the qualified product rate, saves the time for manual handling and placing and positioning of the products, and improves the assembly line efficiency; the workers no longer contact the product tray, preventing accidental dropping and knocking of the products and improving the qualified product rate of the products.

[0048] The specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various deformations or modifications within the scope of the claims, which does not affect the essence of the present invention.

Claims

1. A positioning mechanism for product trays on a booster assembly line, characterized in that, It includes a main mechanical component, a product positioning kit (5), a rotary positioning component and a pneumatic swing drive (4); The product positioning kit (5) and the rotation positioning assembly are installed on the main mechanical assembly; The output shaft of the pneumatic swing drive (4) is connected to the rotary positioning assembly; The upper end of the product positioning kit (5) is a groove structure, and the lower end is matched to be installed in the rotation positioning component, and the rotation positioning component drives the product positioning kit (5) to rotate axially; The rotation positioning assembly is provided with a limit pin (6), and the product positioning kit (5) is provided with a limit block (10) matching the limit pin (6) along its ring direction; when the opening direction of the groove is the same as that of the conveyor chain, one end of the limit block (10) is in contact with and connected to the limit pin (6); when the opening direction of the groove is opposite to that of the conveyor chain, the other end of the limit block (10) is in contact with and connected to the limit pin (6); When the product pallet flows along the conveyor chain, the fixing rod of the pallet flows directly into the product positioning kit (5), and the pneumatic swing drive (4) drives the product positioning kit (5) to rotate inward 90 degrees. The opening direction of the product positioning kit (5) is perpendicular to the conveyor chain and enters the product assembly position; after the assembly is completed, the pneumatic swing drive (4) drives the product positioning kit (5) to rotate another 90 degrees in the original rotation direction, and the pallet flows out to the next station; after the pallet flows out, the pneumatic swing drive (4) reverses 180 degrees, and the opening of the product positioning kit (5) returns to the initial position.

2. The pallet positioning mechanism for the booster assembly line product according to claim 1, characterized in that, The pneumatic swing drive (4) is connected to the controller signal.

3. The pallet positioning mechanism for the booster assembly line product according to claim 1, characterized in that The upper end of the product positioning kit (5) is a groove structure composed of two straight plates and one arc plate.

4. A positioning mechanism for the product tray of a booster pipeline according to claim 1, characterized in that, The rotary positioning assembly comprises a driving gear (11), a driven gear (12), a tightening sleeve (13), and a bearing (14); the pneumatic swing driver drives the driving gear (11) to rotate; the tightening sleeve (13) is installed inside the driving gear (11), the driving gear (11) and the driven gear (12) are meshed, and the driven gear (12) is connected to the product positioning kit (5); the bearing (14) is sleeved on the product positioning kit (5).

5. A positioning mechanism for the product tray of a booster assembly line according to claim 4, characterized in that The rotary positioning assembly further comprises a thrust ball needle bearing (15), and the thrust ball needle bearing (15) is sleeved on the product positioning kit (5).

6. The pallet positioning mechanism for the booster assembly line product according to claim 1, wherein, The main mechanical assembly comprises a left spacing adjustment positioning member (1), a right spacing adjustment positioning member (2), a main mechanical assembly (3), a clamping plate (8) and a fastener (9); the left spacing adjustment positioning member (1) and the right spacing adjustment positioning member (2) are fixedly mounted on a mounting table; the main mechanical assembly (3) is slidably mounted between the left spacing adjustment positioning member (1) and the right spacing adjustment positioning member (2); a through slot is provided on the main mechanical assembly (3); the clamping plate (8) is mounted on the main mechanical assembly (3) via a fastener (9); the fastener (9) extends from the through slot and is fixedly connected to the mounting table.

7. A pallet positioning mechanism for a booster assembly line product according to claim 6, characterized in that, The main body machine (3) is provided with a sunken structure, and the through groove is arranged in the sunken structure; the pressing plate (8) is installed in the sunken structure; bushings (7) are respectively arranged on both sides of the groove.

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