Jacking, positioning and rotating mechanism on conveying line

Abstract

The utility model provides a jacking, positioning and rotating mechanism on a conveying line, which relates to the technical field of machining and comprises a welding framework, a cylinder jacking component, a tray rotating and supporting component and a detection control component, a conveying line is mounted at the top of the welding framework, and the cylinder jacking component is mounted at the bottom in the welding framework. The whole equipment solves the problems that in the prior art, a plurality of positioning mechanisms for trays on a conveying line are arranged, most existing equipment directly adopts a blocking air cylinder to block the movement of the trays on the conveying line, and the positioning mechanisms are used for positioning the trays on the conveying line. According to the positioning mechanism, a tray is not separated from a line body, so that the tray and a conveying line chain are in a friction state, and the tray slightly shakes in the using process.

Description

Technical Field

[0001] The utility model relates to the technical field of machining, in particular to a jacking positioning and rotating mechanism on a conveyor line. Background Art

[0002] In modern industrial production, a conveyor line is a widely used device that can efficiently transport various materials, products, etc. from one position to another, greatly improving production efficiency. With the continuous improvement of industrial automation, higher requirements are also put forward for various operations on the conveyor line. As an important auxiliary device, the jacking positioning and rotating mechanism on the conveyor line plays a key role in many production links. For example, in an automobile assembly production line, it is necessary to accurately position and rotate automobile parts to a suitable angle for subsequent installation operations; in the process of manufacturing electronic products, rotating and positioning small components such as circuit boards at a specific angle can achieve precise soldering and assembly.

[0003] According to a jacking rotation positioning mechanism with the Chinese patent number CN 209868409 U, a first rotating bearing is provided in the middle of the upper surface of the jacking support plate. On the inner surface of the first rotating bearing, a second rotating bearing is provided on the jacking support plate. A rotation positioning mechanism is provided on the side of the first rotating bearing. Installation support plates are symmetrically provided on both sides of the installation plate. The installation plate is connected to the jacking support plate through a jacking guide shaft. A cylinder support plate is provided directly below the installation plate and is connected to the installation plate through a bracket. A jacking cylinder is provided on the upper surface of the cylinder support plate. The jacking cylinder cooperates with the jacking support plate. On the side of the jacking cylinder, a jacking up and down optoelectronic device is provided on the installation plate. A rotating platform plate is provided on the upper surfaces of the first rotating bearing and the second rotating bearing. In this application, the rotating platform plate is rotated by the first rotating bearing and the second rotating bearing, and the height of the jacking support plate is adjusted by the jacking cylinder, and further the height of the product is adjusted, achieving the beneficial effects of improving operation efficiency and saving operation time.

[0004] The following problems will occur when the existing jacking rotation positioning mechanism is in use: There are various types of positioning mechanisms for pallets on the conveyor line. Many existing devices directly use a blocking cylinder to block the movement of the pallet on the conveyor line. In this kind of positioning mechanism, the pallet is not separated from the line body, which will cause the pallet to be in a friction state with the conveyor line chain. During use, the pallet has slight shaking, and the pallet support plate and the chain are highly worn after long-term use. Therefore, a jacking positioning and rotating mechanism on the conveyor line is needed to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the problem that there are many kinds of positioning mechanisms for pallets on conveyor lines in the prior art. Many existing devices directly use blocking cylinders to block the movement of pallets on the conveyor line. The pallets of this positioning mechanism are not separated from the line body, which will cause the pallets and the conveyor line chain to be in a friction state. During use, the pallets have slight shaking, and the long-term use of pallet support plates and chains has high wear and tear. A jacking, positioning and rotating mechanism for a conveyor line is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lifting, positioning and rotating mechanism on a conveyor line, comprising a welding skeleton, a cylinder lifting assembly, a pallet rotating support assembly and a detection and control assembly, wherein a transmission line is installed on the top of the welding skeleton, a cylinder lifting assembly is installed on the bottom of the welding skeleton, a pallet rotating support assembly is installed on the top of the cylinder lifting assembly, and the top of the back side of the welding skeleton is electrically connected to the detection and control assembly.

[0007] Preferably, mounting blocks are bolted to both sides of the middle portion of the welding skeleton, linear bearings are provided on both sides of the top of the mounting block, and guide shafts are provided inside the linear bearings.

[0008] Preferably, the top of the guide shaft is connected to a lifting plate, holes are opened in the middle of the mounting blocks on both sides, floating joints are threadedly connected on both sides of the bottom of the lifting plate, and the floating joints and the holes on the top of the mounting blocks are adapted to each other.

[0009] Preferably, a cylinder with a brake is installed at the bottom of the mounting blocks on both sides, and the cylinder lifting assembly consists of a cylinder with a brake, a guide shaft, a linear bearing, a floating joint, a mounting block and a lifting plate.

[0010] Preferably, the pallet rotation support assembly includes a support plate and a connecting plate, side pallet support blocks are provided on both sides of the top of the support plate, a middle pallet support block is provided in the middle of the top of the support plate, and pallet positioning pins are inserted at the tops of the two diagonals on both sides of the top of the support plate.

[0011] Preferably, a slewing bearing with external teeth is provided in the middle of the support plate surface and the connecting plate, and the slewing bearing with external teeth and one side of the top of the connecting plate are transmission-connected with a driving gear, and the driving gear and the slewing bearing with external teeth are adapted to each other and mesh with each other.

[0012] Preferably, position detection proximity switches are installed on both sides of the diagonal top of the connecting plate, the bottom end of the driving gear is transmission-connected to a reducer, and a servo motor is installed at the bottom of the reducer.

[0013] Preferably, the tray rotation support assembly is composed of a middle tray support block, side tray support blocks, a servo motor, a speed reducer, a driving gear, a slewing bearing with external teeth, a tray positioning pin, a position detection proximity switch, a support plate surface, and a connecting plate.

[0014] Beneficial effects

[0015] In the present utility model, the overall device solves the problems in the prior art that there are various positioning mechanisms for trays on the conveyor line. Many existing devices directly use blocking cylinders to block the movement of trays on the conveyor line. In this kind of positioning mechanism, the tray is not separated from the line body, which will cause the tray to be in a friction state with the conveyor line chain. During use, the tray has slight shaking, and the tray support plate and the chain have high wear and tear after long-term use.

[0016] In the present utility model, the overall device has the advantages of stable and reliable structure, smooth and accurate lifting, high rotation accuracy, comprehensive safety guarantee, precise detection and control, etc. Specifically, it is manifested as follows: a welded skeleton made of high-strength steel and with reinforcing ribs added ensures the stability of the device; the cylinder lifting assembly is reasonably designed, and the lifting process is smooth and in place accurately; the tray rotation support assembly uses a slewing bearing with external teeth and a driving gear to achieve high-precision rotation; multiple safety protection mechanisms are set to improve safety; the perfect detection and control components can monitor in real time to ensure that each operation link proceeds according to the predetermined program. Compared with the lifting and rotation positioning mechanisms in the prior art, it has obvious advantages in terms of structural design, safety guarantee, and functional characteristics. Description of the drawings

[0017] Figure 1 It is an axonometric view of the welded skeleton of the present utility model;

[0018] Figure 2 It is a structural composition diagram of the cylinder lifting assembly of the present utility model;

[0019] Figure 3 It is a structural composition diagram of the tray rotation support assembly of the present utility model;

[0020] Figure 4 It is an overall structural diagram of the present utility model.

[0021] Legend description:

[0022] 1. Welded skeleton; 2. Cylinder lifting assembly; 3. Tray rotation support assembly; 4. Detection and control assembly; 5. Transmission line; 6. Cylinder with brake; 7. Guide shaft; 8. Linear bearing; 9. Floating joint; 10. Mounting block; 11. Middle tray support block; 12. Side tray support blocks; 13. Servo motor; 14. Speed reducer; 15. Driving gear; 16. Slewing bearing with external teeth; 17. Tray positioning pin; 18. Position detection proximity switch; 19. Lifting plate surface; 20. Support plate surface; 21. Connecting plate. Detailed implementation mode

[0023] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments and drawings. However, the following embodiments are only the preferred embodiments of the present utility model and not all of them. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work all fall within the protection scope of the present utility model.

[0024] The specific embodiments of the present utility model will be described below in conjunction with the drawings. Specific Embodiment 1:

[0026] Refer to Figures 1-4 , a jacking positioning and rotating mechanism on a conveyor line, including a welding skeleton 1, a cylinder jacking assembly 2, a tray rotating support assembly 3 and a detection and control assembly 4. A transmission line 5 is installed on the top of the welding skeleton 1, a cylinder jacking assembly 2 is installed at the bottom inside the welding skeleton 1, a tray rotating support assembly 3 is installed on the top of the cylinder jacking assembly 2, and the top of the back of the welding skeleton 1 is electrically connected to a detection and control assembly 4. The welding skeleton 1 serves as the main frame of the equipment, used to support the transmission line and install various functional components.

[0027] Installation blocks 10 are bolted to both sides of the middle of the welding skeleton 1. Linear bearings 8 are provided on both sides of the top of the installation blocks 10. A guide shaft 7 is provided inside the linear bearings 8. The top of the guide shaft 7 is connected to a jacking plate surface 19. Holes are formed in the middle of both sides of the installation blocks 10. Floating joints 9 are threadedly connected to both sides of the bottom of the jacking plate surface 19. The floating joints 9 and the holes at the top of the installation blocks 10 are mutually adapted. Brake cylinders 6 are installed at the bottom of both sides of the installation blocks 10. The cylinder jacking assembly 2 is composed of a brake cylinder 6, a guide shaft 7, a linear bearing 8, a floating joint 9, an installation block 10 and a jacking plate surface 19. The cylinder jacking assembly 2 is mainly used to provide power for the lifting of the equipment, as Figure 2 shown.

[0028] The tray rotating support assembly 3 includes a support plate surface 20 and a connecting plate 21. Side tray support blocks 12 are provided on both sides of the top of the support plate surface 20. A middle tray support block 11 is provided in the middle of the top of the support plate surface 20. Tray positioning pins 17 are inserted into the top of the two diagonals on both sides of the top of the support plate surface 20.

[0029] A slewing bearing with external teeth 16 is provided in the middle of the support plate surface 20 and the connecting plate 21. One side at the top of the connecting plate 21 is drivingly connected with a driving gear 15. The driving gear 15 and the slewing bearing with external teeth 16 are adapted to each other and mesh with each other. Position detection proximity switches 18 are installed on both sides at the diagonal corners of the top of the connecting plate 21. The bottom end of the driving gear 15 is drivingly connected with a speed reducer 14, and a servo motor 13 is installed at the bottom of the speed reducer 14. The tray rotation support assembly 3 is composed of a middle tray support block 11, a side tray support block 12, a servo motor 13, a speed reducer 14, a driving gear 15, a slewing bearing with external teeth 16, a tray positioning pin 17, a position detection proximity switch 18, a support plate surface 20 and a connecting plate 21.

[0030] The tray support assembly 3 is used to support and position the tray and can rotate the tray 360 degrees. As Figure 3 shown, the detection and control assembly 4 consists of a tray-in-place detection sensor, a lifting-in-place detection sensor, a rotation-in-place detection sensor and control buttons.

[0031] When the tray flows to this station on the transmission line 5, it is blocked by the blocking cylinder. The tray-in-place detection sensor detects that the tray is in place. The control system actively controls the lifting of the brake cylinder 6 with a brake. After the lifting is in place, the operator can control the operation of the servo motor 13 through a button. The tray rotation support assembly 3 drives the tray to rotate together. When the tray needs to be lowered and transferred to the next station, only when the rotation-in-place detection sensor detects that the support plate surface 20 is at the correct angle is the lifting cylinder allowed to descend. Specific Embodiment 2:

[0033] Refer to Figures 1-4, the welding skeleton 1 is welded from high-strength steel, and stiffeners are added at key positions to improve the stability and rigidity of the overall structure. At the same time, strict control is carried out on the welding process to ensure the weld quality and prevent welding defects from affecting the structural strength. To facilitate the installation and debugging of the equipment, multiple mounting holes and adjustment bolts are provided on the welding skeleton 1, and the positions of each functional component can be finely adjusted according to actual needs. The piston rod of the brake cylinder 6 is made of high-strength alloy steel, and after precision machining and heat treatment, its wear resistance and fatigue resistance are improved. At the connection part between the guide shaft 7 and the lifting plate surface 19, shock-absorbing gaskets are added to reduce the vibration and impact during the lifting process and improve the running stability of the equipment. The externally toothed slewing bearing 16 is of a high-precision ball bearing structure to ensure the smoothness and accuracy of rotation. At the same time, the externally toothed slewing bearing 16 is sealed to prevent dust and impurities from entering and affecting its service life. The drive gear 15 and the reducer 14 are connected by a coupling to improve the stability and reliability of transmission. The coupling is an elastic coupling, which can absorb a certain amount of shock and vibration to protect the drive system. A guiding conical surface is provided at the top of the tray positioning pin 17 to facilitate the rapid positioning of the tray. During the operation of the entire mechanism, multiple safety protection mechanisms can be set. For example, a pressure sensor is installed on the brake cylinder 6 to monitor the working pressure of the cylinder in real time. Once the pressure exceeds the safe range, the system will immediately alarm and stop running. To prevent the tray from accidentally falling off during rotation, the surfaces of the side tray support blocks 12 and the middle tray support blocks 11 are both made of anti-slip materials to increase the friction with the tray. In addition, a guardrail is provided at the edge of the support plate surface 20 to further improve the working safety.

[0034] In summary:

[0035] 1. In this equipment, an externally toothed slewing bearing 16 is provided in the middle of the support plate surface 20 and the connecting plate 21. On one side of the top of the connecting plate 21, a drive gear 15 is drivingly connected. The drive gear 15 and the externally toothed slewing bearing 16 are mutually adapted and meshed with each other. Position detection proximity switches 18 are installed on both sides of the top diagonal of the connecting plate 21. The bottom end of the drive gear 15 is drivingly connected to a reducer 14, and a servo motor 13 is installed at the bottom of the reducer 14. The tray rotation support assembly 3 is composed of a middle tray support block 11, side tray support blocks 12, a servo motor 13, a reducer 14, a drive gear 15, an externally toothed slewing bearing 16, a tray positioning pin 17, position detection proximity switches 18, a support plate surface 20, and a connecting plate 21.

[0036] 2. The welding skeleton 1 is welded from high-strength steel, and stiffeners are added at key positions to improve the stability and rigidity of the overall structure. At the same time, strict control is carried out on the welding process to ensure the weld quality and prevent welding defects from affecting the structural strength. To facilitate the installation and debugging of the equipment, multiple mounting holes and adjusting bolts are provided on the welding skeleton 1, and the positions of each functional component can be finely adjusted according to actual needs. The piston rod of the brake cylinder 6 is made of high-strength alloy steel, which is precision machined and heat treated to improve its wear resistance and fatigue resistance. The external gear slewing bearing 16 adopts a high-precision ball bearing structure to ensure the smoothness and accuracy of rotation. At the same time, the external gear slewing bearing 16 is sealed to prevent dust and impurities from entering and affecting its service life. A guiding conical surface is provided at the top of the pallet positioning pin 17 to facilitate the rapid positioning of the pallet. During the operation of the entire mechanism, multiple safety protection mechanisms can be set up.

[0037] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but are in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on the top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0038] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A jacking positioning and rotating mechanism on a conveyor line, comprising a welding skeleton (1), a cylinder jacking assembly (2), a pallet rotating support assembly (3), and a detection and control assembly (4), characterized in that: A transmission line (5) is installed at the top of the welding skeleton (1). A cylinder lifting assembly (2) is installed at the bottom inside the welding skeleton (1). A tray rotation support assembly (3) is installed at the top of the cylinder lifting assembly (2). The top of the back of the welding skeleton (1) is electrically connected to a detection and control assembly (4). Installation blocks (10) are bolted to both sides in the middle of the welding skeleton (1). Linear bearings (8) are provided on both sides of the top of the installation block (10). A guide shaft (7) is provided inside the linear bearing (8). The top of the guide shaft (7) is connected to a lifting plate surface (19).

2. The lifting and positioning rotation mechanism on a conveyor line according to claim 1, characterized in that: Holes are formed in the middle of both of the installation blocks (10) on both sides. Floating joints (9) are threadedly connected to both sides of the bottom of the lifting plate surface (19). The floating joints (9) are adapted to the holes at the top of the installation blocks (10).

3. The lifting and positioning rotary mechanism on a conveyor line according to claim 2, characterized in that: Band brake cylinders (6) are installed at the bottom of both of the installation blocks (10) on both sides. The cylinder lifting assembly (2) is composed of a band brake cylinder (6), a guide shaft (7), a linear bearing (8), a floating joint (9), an installation block (10), and a lifting plate surface (19).

4. The jacking positioning and rotating mechanism on a conveyor line according to claim 3, characterized in that: The tray rotation support assembly (3) includes a support plate surface (20) and a connecting plate (21). Side tray support blocks (12) are provided on both sides of the top of the support plate surface (20). A middle tray support block (11) is provided in the middle of the top end of the support plate surface (20). Tray positioning pins (17) are inserted into the top of the diagonals on both sides of the top of the support plate surface (20).

5. The jacking positioning and rotating mechanism on a conveyor line according to claim 4, characterized in that: A slewing bearing with external teeth (16) is provided in the middle of the support plate surface (20) and the connecting plate (21). For the slewing bearing with external teeth (16), a driving gear (15) is drivingly connected to one side of the top of the connecting plate (21). The driving gear (15) is adapted to the slewing bearing with external teeth (16) and meshes with it.

6. The jacking positioning and rotating mechanism on a conveyor line according to claim 5, characterized in that: Position detection proximity switches (18) are installed on both sides of the diagonals of the top of the connecting plate (21). A reducer (14) is drivingly connected to the bottom end of the driving gear (15). A servo motor (13) is installed at the bottom of the reducer (14).

7. The lifting and positioning rotation mechanism on a conveyor line according to claim 6, wherein: The tray rotation support assembly (3) is composed of a middle tray support block (11), side tray support blocks (12), a servo motor (13), a reducer (14), a driving gear (15), a slewing bearing with external teeth (16), tray positioning pins (17), position detection proximity switches (18), a support plate surface (20), and a connecting plate (21).

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