Lead screw lift conveyor

Abstract

The utility model relates to conveying device technical field, specifically disclose a screw rod lifting conveying equipment, including two racks, each rack is vertically slidably connected with conveying frame, and the conveying space for conveying tray is formed between two conveying frames, each rack is provided with power mechanism, is used for driving the vertical sliding of conveying frame on the rack, and the limiting portion is arranged between each conveying frame and corresponding rack. When the tray needs to be conveyed to different height, the conveying frame is driven to slide on the rack through the power mechanism, so the free switching of the tray between different height stations can be realized, the limitation of the traditional fixed height conveying equipment is solved, the assembly line demand of multi -process is adapted, the conveying need of the tray between different height stations is satisfied, and the flexibility and automation level of production process are improved.

Description

Technical Field

[0001] This utility model relates to the field of conveying device technology, specifically a screw lifting and conveying device. Background Technology

[0002] Pallets are key equipment in the logistics, warehousing, and transportation industries, and their production efficiency and quality have a significant impact on the entire production process. Conveying devices play a crucial role in pallet production, responsible for transporting pallets from one process step to another, enabling assembly line production.

[0003] In the prior art, there is a Chinese patent with authorization announcement number CN219116685U entitled "A Material Conveying Device," which discloses a material conveying device belonging to the field of material conveying technology. This material conveying device includes: a body assembly, which includes a body and a housing that encloses the body to form a closed material conveying cavity; the housing has an inlet and an outlet communicating with the material conveying cavity; and a material conveying component disposed within the material conveying cavity to receive material entering the material conveying cavity through the inlet and convey it to the outlet.

[0004] For example, Chinese patent CN220484372U, entitled "A Material Conveying Device," discloses a material conveying device including a conveyor belt, two drive wheels, and a support platform. The top of the support platform is equipped with multiple shock-absorbing mechanisms, each including an upper mounting base, a lower mounting base, and a limiting box. Four upper rotating rods are symmetrically and movably mounted on the bottom of the upper mounting base, near its two side edges. This patent, through the shock-absorbing mechanism and the cooperation between the damping rods and springs, effectively buffers the impact of materials on the conveyor belt, preventing damage to the conveyor belt's support device.

[0005] Existing technologies, including the aforementioned patents, can meet the needs of workpiece transportation to a certain extent, such as providing shock absorption. However, in practical applications, especially when pallets need to be transported to different heights, they still have significant limitations. Utility Model Content

[0006] The purpose of this invention is to provide a screw lifting and conveying device to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a screw lifting conveyor, comprising two frames, each frame having a conveyor frame vertically slidably connected thereon, and a conveying space for conveying a pallet being formed between the two conveyor frames; each frame is provided with a power mechanism for driving the conveyor frame to slide vertically on the frame; and each conveyor frame is provided with a limiting part between itself and the corresponding frame.

[0008] Furthermore, the power mechanism includes a drive screw rotatably connected to the frame, the drive screw being connected to the conveyor frame via a connecting mechanism, and a drive unit for driving the drive screw to rotate is provided on the frame; the drive unit includes a servo motor mounted on the frame, a main gear being mounted on the output end of the servo motor, and a driven gear being provided on the drive screw, with the main gear meshing with the driven gear.

[0009] Furthermore, the limiting part includes a slide rail fixedly connected to the frame, and the conveyor frame is provided with a slider through a fastening plate, the slider being slidably connected to the slide rail.

[0010] Furthermore, the connecting mechanism includes a connecting beam, on which multiple connecting frames are fixedly connected, and connecting plates are welded onto the connecting frames, with the conveyor frame mounted on the connecting plates.

[0011] Furthermore, a threaded sleeve is fixedly connected to the connecting beam, and the threaded sleeve is threadedly connected to the drive screw.

[0012] Furthermore, the connecting plate has multiple reserved holes, and an extension plate is fixedly connected to the conveyor frame. During installation, the fastening bolts pass through the extension plate and are threadedly connected to the reserved holes.

[0013] Furthermore, multiple reinforcing ribs are welded between the connecting frame and the connecting crossbeam.

[0014] Furthermore, the conveyor frame is provided with a conveying mechanism for conveying pallets; the conveying mechanism includes a plurality of conveying rollers rotatably connected between two conveyor frames, and the conveyor frame is provided with a power unit for driving the plurality of conveying rollers to rotate.

[0015] Furthermore, the power unit includes a conveyor motor mounted on the conveyor frame, and a first sprocket is provided on the output shaft of the conveyor motor, and a second sprocket is provided on one side of the conveyor frame via a rotating rod. The first sprocket and the second sprocket are connected by chain drive; and a synchronization unit is provided between the multiple conveyor rollers and the rotating rod.

[0016] Furthermore, each of the conveyor racks is provided with a side plate.

[0017] Compared with existing technologies, the beneficial effects of this utility model are as follows: This screw-type lifting conveyor, through the cooperation of the frame, conveyor frame, power mechanism, and limiting part, transports pallets during use. When pallets need to be transported to different heights, the power mechanism drives the conveyor frame to slide on the frame, thus enabling free switching of pallets between different height workstations. This solves the limitations of traditional fixed-height conveying equipment, adapts to the needs of multi-process production lines, meets the pallet transport needs between different height workstations, and improves the flexibility and automation level of the production process. Simultaneously, the limiting part composed of slide rails and sliders effectively limits the swaying of the conveyor frame during lifting, enhances the rigidity and stability of the overall structure, and ensures a safe and reliable conveying process. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0019] Figure 1 An overall top view provided for an embodiment of this utility model; Figure 2 A schematic diagram of the overall structure of a single rack provided in an embodiment of this utility model; Figure 3 This is a schematic diagram of the installation method of the power mechanism provided in an embodiment of the present utility model; Figure 4 A schematic diagram of the specific structure of the power mechanism provided in this embodiment of the utility model; Figure 5 A schematic diagram of the installation position structure of the limiting part provided in an embodiment of this utility model; Figure 6 This is a schematic diagram of the side plate mounting position structure provided for an embodiment of the present utility model.

[0020] Explanation of reference numerals in the attached drawings: 1. Frame; 2. Conveyor frame; 3. Conveying mechanism; 4. Connecting mechanism; 41. Connecting beam; 42. Connecting frame; 43. Connecting plate; 44. Reserved hole; 5. Power mechanism; 51. Servo motor; 52. Main gear; 53. Driven gear; 54. Drive screw; 55. Threaded sleeve; 6. Limiting part; 61. Slide rail; 62. Slider; 63. Fastening plate; 7. Side plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-6 This utility model provides a technical solution: a screw lifting conveyor, including two frames 1, each frame 1 is vertically slidably connected to a conveyor frame 2, and a conveying space for conveying a pallet is formed between the two conveyor frames 2; each frame 1 is provided with a power mechanism 5 for driving the conveyor frame 2 to slide vertically on the frame 1; and each conveyor frame 2 is provided with a limit part 6 between itself and the corresponding frame 1.

[0023] Specifically, this screw-type lifting conveyor includes two frames 1. The structures and working principles of the two frames 1 are identical and will not be elaborated upon here. Each frame 1 has a vertically sliding conveyor frame 2, forming a conveying space between the two conveyor frames 2 to meet the pallet conveying needs. Each frame 1 is equipped with a power mechanism 5 to drive the conveyor frame 2 to slide vertically on the frame 1, enabling free lifting and conveying of pallets between different height positions, overcoming the limitations of traditional fixed-height conveying equipment. Furthermore, each conveyor frame 2 is equipped with a limiting part 6 between itself and its corresponding frame 1. By setting the limiting part 6, the swaying of the conveyor frame 2 during lifting is effectively limited, improving the stability and safety of the equipment. Specifically, during use, the conveyor frame 2 transports the pallet. When the pallet needs to be transported to different heights, the power mechanism 5 drives the conveyor frame 2 to slide on the frame 1. Therefore, it can realize the free switching of the pallet between different height workstations, solve the limitations of traditional fixed height conveying equipment, adapt to the needs of multi-process assembly lines, meet the needs of pallet transportation between different height workstations, and improve the flexibility and automation level of the production process.

[0024] In the embodiments provided by this utility model, the power mechanism 5 includes a drive screw 54 rotatably connected to the frame 1. The drive screw 54 is connected to the conveyor frame 2 through a connecting mechanism 4, and the frame 1 is provided with a drive unit for driving the drive screw 54 to rotate. The drive unit includes a servo motor 51 mounted on the frame 1. A main gear 52 is mounted on the output end of the servo motor 51, and a driven gear 53 is provided on the drive screw 54. The main gear 52 and the driven gear 53 mesh. Therefore, during use, the servo motor 51 drives the drive screw 54 to rotate through the meshing of the main gear 52 and the driven gear 53, and can then slide vertically on the conveyor frame 2 through the connecting mechanism 4. This allows for adjustment of the state of the connecting frame 42 to adapt to the needs of multi-process assembly lines and meet the conveying needs of pallets between different height workstations.

[0025] In the embodiments provided by this utility model, the limiting part 6 includes a slide rail 61 fixedly connected to the frame 1, and the conveying frame 2 is provided with a slider 62 through a fastening plate 63. The slider 62 is slidably connected to the slide rail 61 to improve the stability of the conveying frame 2 when it slides.

[0026] In the embodiments provided by this utility model, the connecting mechanism 4 includes a connecting beam 41, a plurality of connecting frames 42 are fixedly connected to the connecting beam 41, and a connecting plate 43 is welded on the connecting frame 42. The conveying frame 2 is installed on the connecting plate 43. Multi-point connection is achieved through the connecting beam 41 and the connecting frame 42, the force is distributed, and the structural rigidity is enhanced.

[0027] In the embodiment provided by this utility model, a threaded sleeve 55 is fixedly connected to the connecting beam 41. The threaded sleeve 55 is threadedly connected to the drive screw 54. The threaded sleeve 55 and the drive screw 54 cooperate, resulting in high transmission efficiency and convenient adjustment of the state of the conveyor frame 2.

[0028] In the embodiments provided by this utility model, the connecting plate 43 is provided with a plurality of reserved holes 44, and an extension plate is fixedly connected to the conveyor frame 2. During installation, the fastening bolts pass through the extension plate and are threadedly connected to the reserved holes 44. The reserved holes 44 are designed to facilitate the adjustment of the position of the conveyor frame 2 to accommodate pallets of different sizes. At the same time, the bolt connection method is simple and reliable, and easy to disassemble and maintain.

[0029] In the embodiments provided by this utility model, multiple reinforcing ribs are welded between the connecting frame 42 and the connecting beam 41. The reinforcing ribs significantly improve the rigidity and bending strength of the connecting mechanism 4, making the structure more stable.

[0030] In the embodiments provided by this utility model, a conveying mechanism 3 for conveying pallets is provided on the conveying frame 2; the conveying mechanism 3 includes multiple conveying rollers rotatably connected between two conveying frames 2, and a power unit for driving the multiple conveying rollers to rotate is provided on the conveying frame 2. By setting the conveying mechanism 3, horizontal conveying of pallets can be realized, and combined with the lifting function, a complete conveying system is formed.

[0031] In the embodiments provided by this utility model, the power unit includes a conveyor motor mounted on the conveyor frame 2, and a first sprocket is provided on the output shaft of the conveyor motor. A second sprocket is provided on one side of the conveyor frame 2 via a rotating rod. The first sprocket and the second sprocket are connected by chain drive. A synchronization unit is provided between the multiple conveyor rollers and the rotating rod. The chain drive has a strong load-bearing capacity and a stable transmission ratio. At the same time, the synchronization unit ensures that the multiple conveyor rollers run synchronously, avoiding tray jamming or displacement.

[0032] In the embodiments provided by this utility model, each conveyor frame 2 is provided with a side plate 7, which can prevent the pallet from slipping during the conveying process and improve safety.

[0033] It should be noted that all electrical equipment involved in this application can be powered by batteries or external power sources, and this application is equipped with a control system for controlling the operation of the entire equipment.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A screw conveyor lifting device, comprising two frames (1), characterized in that: Each of the frames (1) is vertically slidably connected to a conveyor frame (2), and a conveying space for conveying pallets is formed between two conveyor frames (2); Each frame (1) is equipped with a power mechanism (5) for driving the conveyor frame (2) to slide vertically on the frame (1); Furthermore, each conveyor (2) is provided with a limiting part (6) between it and the corresponding frame (1). The power mechanism (5) includes a drive screw (54) rotatably connected to the frame (1). The drive screw (54) is connected to the conveyor frame (2) through a connecting mechanism (4), and the frame (1) is provided with a drive unit for driving the drive screw (54) to rotate. The drive unit includes a servo motor (51) mounted on the frame (1), a main gear (52) is mounted on the output end of the servo motor (51), and a driven gear (53) is provided on the drive screw (54), with the main gear (52) meshing with the driven gear (53); The connecting mechanism (4) includes a connecting beam (41), a plurality of connecting frames (42) are fixedly connected to the connecting beam (41), and a connecting plate (43) is welded on the connecting frame (42). The conveying frame (2) is installed on the connecting plate (43). A threaded sleeve (55) is fixedly connected to the connecting crossbeam (41), and the threaded sleeve (55) is threadedly connected to the drive screw (54); The connecting plate (43) has multiple reserved holes (44), and the conveyor frame (2) is fixedly connected to an extension plate. During installation, the fastening bolts pass through the extension plate and are threadedly connected to the reserved holes (44).

2. The screw conveyor lifting device according to claim 1, characterized in that: The limiting part (6) includes a slide rail (61) fixedly connected to the frame (1), and the conveyor frame (2) is provided with a slider (62) through a fastening plate (63), and the slider (62) is slidably connected to the slide rail (61).

3. The screw conveyor lifting device according to claim 1, characterized in that: Multiple reinforcing ribs are welded between the connecting frame (42) and the connecting beam (41).

4. The screw conveyor lifting device according to claim 1, characterized in that: The conveyor frame (2) is provided with a conveyor mechanism (3) for conveying pallets; The conveying mechanism (3) includes a plurality of conveying rollers rotatably connected between two conveying frames (2), and the conveying frames (2) are provided with a power unit for driving the plurality of conveying rollers to rotate.

5. The screw conveyor according to claim 4, characterized in that: The power unit includes a conveyor motor mounted on the conveyor frame (2), and a first sprocket is provided on the output shaft of the conveyor motor, and a second sprocket is provided on one side of the conveyor frame (2) via a rotating rod. The first sprocket and the second sprocket are connected by chain drive. Furthermore, a synchronization unit is installed between multiple conveying rollers and rotating rods.

6. The screw conveyor lifting device according to claim 1, characterized in that: Each of the conveyor frames (2) is provided with a side plate (7).

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