Power conversion device for driving conveying chain

Abstract

The utility model relates to the technical field of conveying chains, and discloses a power conversion device for driving a conveying chain, which comprises a main driving device and a chain turning steering device, the main driving device comprises a driving main body structure, a first steering wear-resistant guide rail, a first bearing, a nylon gear torsion conversion device, a connecting flange, a power transmission shaft, a first connecting piece and a motor. The main driving device and the chain turning-back steering device are arranged to form the power conversion device for driving the conveying chain, in the follow-up using process, the motor transmits power to the nylon gear torsion conversion device through the power transmission shaft, and then the conveying chain is driven to operate along the chain track. When the chain runs to the tail end of the conveying chain, the chain turns to the position below the conveying chain through the chain turning-back steering device, the conveying chain continues to run, and when the chain runs to the main driving device again, the chain returns to the original point again under guiding of the first steering abrasion-resistant guide rail to run circularly, and sustainability and high efficiency are kept.

Description

Technical Field

[0001] The utility model relates to the technical field of conveyor chains, in particular to a power conversion device used for driving a conveyor chain. Background Art

[0002] Conveyor chains, like transmission chains, are also composed of a series of bearings, which are fixed by chain plates with a restraining effect. The positional relationship between them is very precise. It is suitable for the transportation of various boxes, bags, pallets and other pieces of goods. Bulk materials, small items or irregular items need to be placed on pallets or in turnover boxes for transportation. It can transport single pieces of materials with very large weight or withstand large impact loads.

[0003] However, the power conversion devices used in existing conveyor chain drives are mostly composite fixed devices to ensure strength of use. They are troublesome to disassemble and repair, and their internal components are complex. They do not have efficient replacement conditions and a structural basis for modular replacement, which is not conducive to the subsequent sustainable use effect. Summary of the invention

[0004] In view of the deficiencies of the prior art, the utility model provides a power conversion device for driving a conveyor chain, which solves the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: a power conversion device for conveyor chain drive, comprising a main drive device and a chain return steering device, wherein the main drive device comprises a driving main body structure, a first steering wear-resistant guide rail, a first bearing, a nylon gear torque conversion device, a connecting flange, a power transmission shaft, a first connecting piece, and a motor, and the chain return steering device comprises a steering main body structure, a second steering wear-resistant guide rail, a second bearing, a nylon direction conversion shaft, a fixed shaft, and a second connecting piece;

[0006] The driving main body structure is mainly composed of two main driving device side plates and a plurality of first connecting columns installed between the front ends of the two main driving device side plates, the first steering wear-resistant guide rail is installed on the rear end side wall of the driving main body structure, and the first connecting piece is installed on the front end side wall of the driving main body structure and is aligned with and snap-fitted with the first steering wear-resistant guide rail;

[0007] Both ends of the nylon gear torque conversion device are mounted on the rear ends of the two main drive device side plates through a first bearing, the connecting flange is installed between the motor and one side of the driving main structure, one end of the power transmission shaft is drivingly connected to the output end of the motor, and the other end of the power transmission shaft passes through the connecting flange, the driving main structure and is drivingly connected to the nylon gear torque conversion device;

[0008] The steering main body structure is mainly composed of two chain return steering device side plates and a plurality of second connecting columns installed between the front ends of the two chain return steering device side plates. The chain return steering device side plates have the same structure as the main drive device side plates.

[0009] The second steering wear-resistant guide rail is installed on the rear end side wall of the steering main structure, the second connecting piece is installed on the front end side wall of the steering main structure and is aligned with and snap-fitted with the second steering wear-resistant guide rail, the inner side of the nylon direction conversion shaft is mounted on the middle part of the fixed shaft, and both ends of the fixed shaft are mounted on the rear ends of the two chain return steering device side plates through a second bearing.

[0010] The rear ends of the two main drive device side plates are selected to be circular flat plates, and a circular hole for passing the power transmission shaft is provided at the center position of the circular flat plate, and a bearing fixing seat for installing the first bearing is provided in the circular hole, and a flange fixing hole for installing the connecting flange is provided in the bearing fixing seat, and a first fixing hole for installing the first steering wear-resistant guide rail of the main drive device chain plate is provided on the outer edge of the circular flat plate, and the front end of the main drive device side plate is a gradually narrowing U-shaped open track, one side of the U-shaped open track is tangent to the outside of the circular flat plate and is in a straight line, and the other side of the U-shaped open track is tangent to the outside of the circular flat plate and is in an arc shape bent inwardly, and a connecting piece slot is provided at the center position of the inner side of the U-shaped open track, and the connecting piece slot is parallel to the linear side of the U-shaped open track, and a connecting column fixing hole is respectively provided at both ends of the center position of the connecting piece slot, and the connecting column fixing hole provides a clearance for assembly between the main drive device side plate and the first connecting column.

[0011] Preferably, the number of the first steering wear-resistant guide rails is the same as the number of the main drive device side panels, and the first steering wear-resistant guide rails are installed on the rear end inner wall of the corresponding main drive device side panels, the main body shape of the first steering wear-resistant guide rail is a U-shaped structure, and the cross-section is an inward L-shaped structure, a U-shaped guide rail is arranged on one side of the first steering wear-resistant guide rail, a second fixing hole aligned with the first fixing hole is opened in the first steering wear-resistant guide rail, and both ends of the U-shaped guide rail are smoothly docked with the rear end of the U-shaped open rail in the main drive device side panel.

[0012] The nylon gear torque conversion device is mainly composed of a double-row gear and a mounting cylinder between the double-row gears, and the axis of the double-row gears is mounted on the corresponding first bearing through a bearing seat.

[0013] Preferably, the number of the first connecting members is the same as the number of the first steering wear-resistant guide rails, a plurality of screw holes are provided at the midline position of the first connecting member, and one end of the first connecting member is respectively engaged with the connecting member slot and the U-shaped guide rail.

[0014] Preferably, the front ends of the two chain turn-back steering device side plates are each provided with a second fixing hole, and the second fixing hole provides installation clearance for assembling the chain turn-back steering device side plate and the second connecting column.

[0015] Preferably, the number of the second steering wear-resistant guide rails is the same as the number of the chain turn-back steering device side plates, and the two second steering wear-resistant guide rails are respectively mounted on the inner sides of the rear ends of the two chain turn-back steering device side plates, and a second U-shaped track is arranged on one side of the second steering wear-resistant guide rail, and the second U-shaped track is smoothly docked with the rear end of the U-shaped opening track in the corresponding chain turn-back steering device side plate.

[0016] Preferably, the second steering wear-resistant guide rail is composed of two arc structures with different lengths that are snap-fitted and assembled to each other, wherein the long arc structure is a fixed segment and the short arc structure is a movable segment.

[0017] Preferably, the second connecting members are provided in two numbers and are respectively mounted on the front end inner walls of the two chain return steering device side plates.

[0018] Preferably, a plurality of screw holes are provided at the midline position of the second connecting member, and one end of the second connecting member is engaged with the second U-shaped track and the U-shaped opening track in the side plate of the chain return steering device.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] 1. The utility model is provided with a main drive device and a chain return and steering device to form a power conversion device for driving a conveyor chain. During subsequent use, the motor transmits power to the nylon gear torque conversion device through the power transmission shaft, thereby driving the transmission chain to run along the chain track. The chain runs to the end of the transmission chain and is turned to the bottom of the conveyor chain through the chain return and steering device. The transmission chain continues to run. When the chain runs to the main drive device again, the chain returns to the original point under the guidance of the first steering wear-resistant guide rail, and the cycle is repeated over and over again to maintain a sustainable and efficient use effect.

[0021] 2. The utility model is provided with a main driving device and a chain return steering device, both of which are combined structures, and can obtain good use effect no matter in the early stage of production and installation or in the later stage of disassembly and maintenance.

[0022] 3. The utility model provides a main driving device and a chain return and steering device, and the internal structures of the two devices have many identical structural components. This can reduce the manufacturing process while ensuring the output requirements for the manufacturing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram of the main driving device of the utility model structure;

[0024] Figure 2 It is a three-dimensional schematic diagram of the chain return steering device of the utility model structure;

[0025] Figure 3 It is an enlarged schematic diagram of the first steering wear-resistant guide rail of the utility model structure;

[0026] Figure 4 It is an enlarged schematic diagram of the second steering wear-resistant guide rail of the utility model structure.

[0027] In the figure: 1. side plate of the main drive device; 2. first steering wear-resistant guide rail; 3. first bearing; 4. nylon gear torque conversion device; 5. connecting flange; 6. power transmission shaft; 7. first connecting piece; 8. first connecting column; 9. side plate of the chain return steering device; 10. second steering wear-resistant guide rail; 11. second bearing; 12. nylon direction conversion shaft; 13. fixed shaft; 14. second connecting piece; 15. second connecting column. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-4 A power conversion device for conveyor chain drive, comprising a main drive device and a chain return steering device, wherein the main drive device comprises a driving main body structure, a first steering wear-resistant guide rail 2, a first bearing 3, a nylon gear torque conversion device 4, a connecting flange 5, a power transmission shaft 6, a first connecting member 7, and a motor, and the chain return steering device comprises a steering main body structure, a second steering wear-resistant guide rail 10, a second bearing 11, a nylon direction conversion shaft 12, a fixed shaft 13, and a second connecting member 14;

[0030] The driving main body structure is mainly composed of two main driving device side plates 1 and a plurality of first connecting columns 8 installed between the front ends of the two main driving device side plates 1. The first steering wear-resistant guide rail 2 is installed on the rear end side wall of the driving main body structure. The first connecting member 7 is installed on the front end side wall of the driving main body structure and is aligned with and snap-fitted with the first steering wear-resistant guide rail 2.

[0031] The rear ends of the two main drive device side plates 1 are circular flat plates, and a circular hole for passing the power transmission shaft 6 is provided at the center of the circular flat plate. A bearing fixing seat for installing the first bearing 3 is provided in the circular hole, which is convenient for the stable installation of subsequent related components. A flange fixing hole for installing the connecting flange 5 is provided in the bearing fixing seat. The outer edge of the circular flat plate is provided with a first fixing hole for installing the first steering wear-resistant guide rail 2 of the main drive device chain plate. The front end of the main drive device side plate 1 is a gradually narrowing U-shaped open track, one side of the U-shaped open track is tangent to the outside of the circular flat plate and is in a straight line, and the other side of the U-shaped open track is tangent to the outside of the circular flat plate and is in an inwardly curved arc shape. A connecting piece slot is provided at the center position of the inner side of the U-shaped open track, and the connecting piece slot is parallel to the linear side of the U-shaped open track. A connecting column fixing hole is provided at each end of the center position of the connecting piece slot, and the connecting column fixing hole provides a space for assembly between the main drive device side plate 1 and the first connecting column 8;

[0032] The number of the first steering wear-resistant guide rails 2 is the same as the number of the main drive device side panels 1, and the first steering wear-resistant guide rails 2 are installed on the inner wall of the rear end of the corresponding main drive device side panels 1. The main body of the first steering wear-resistant guide rail 2 is a U-shaped structure, and the cross section is an inward L-shaped structure. A U-shaped guide rail is arranged on one side of the first steering wear-resistant guide rail 2. A second fixing hole aligned with the first fixing hole is opened in the first steering wear-resistant guide rail 2. Both ends of the U-shaped guide rail are smoothly docked with the rear end of the U-shaped open track in the main drive device side panel 1. The main function of the first steering wear-resistant guide rail 2 is a guide rail and has the characteristics of wear resistance and easy replacement.

[0033] The nylon gear torque conversion device 4 is mainly composed of a double-row gear and a mounting cylinder between the double-row gears. The axis of the double-row gears is mounted on the corresponding first bearing 3 through a bearing seat. The double-row gears are evenly distributed with 12 teeth to ensure the stability of subsequent meshing transmission.

[0034] Both ends of the nylon gear torque conversion device 4 are mounted on the rear ends of the two main drive device side plates 1 through a first bearing 3, the connecting flange 5 is installed between the motor and one side of the driving main structure, one end of the power transmission shaft 6 is drivingly connected to the output end of the motor, and the other end of the power transmission shaft 6 passes through the connecting flange 5, the driving main structure and is drivingly connected to the nylon gear torque conversion device 4;

[0035] The number of the first connecting member 7 is the same as the number of the first steering wear-resistant guide rail 2. A plurality of screw holes are provided on the midline of the first connecting member 7 to create a good structural condition for the installation between the first connecting member 7 and the side plate 1 of the main drive device. One end of the first connecting member 7 is respectively engaged with the connecting member slot and the U-shaped guide rail.

[0036] The power transmission shaft 6 is cylindrical in shape, and two slots are provided at 20 mm and 80 mm at one end of the cylinder, respectively, to facilitate the transmission installation of subsequent related components. A long keyway is provided in the end of the power transmission shaft 6 that is connected to the output end of the motor for matching and fixing with the motor;

[0037] The steering main body structure is mainly composed of two chain return steering device side plates 9 and a plurality of second connecting columns 15 installed between the front ends of the two chain return steering device side plates 9. The chain return steering device side plates 9 have the same structure as the main drive device side plates 1.

[0038] The first steering wear-resistant guide rail 10 is installed on the rear end side wall of the steering main structure, the second connecting member 14 is installed on the front end side wall of the steering main structure and is aligned with the first steering wear-resistant guide rail 10 and snap-fitted, the inner side of the nylon direction conversion shaft 12 is fitted with the middle part of the fixed shaft 13, and both ends of the fixed shaft 13 are fitted with the rear ends of the two chain return steering device side plates 9 through a second bearing 11;

[0039] The front ends of the two chain return steering device side plates 9 are both provided with second fixing holes, and the second fixing holes provide installation clearance for the assembly of the chain return steering device side plates 9 and the second connecting column 15;

[0040] The number of the first steering wear-resistant guide rails 10 is the same as the number of the chain return steering device side plates 9, and the two first steering wear-resistant guide rails 10 are respectively mounted on the inner sides of the rear ends of the two chain return steering device side plates 9, and a second U-shaped track is arranged on one side of the first steering wear-resistant guide rail 10, and the second U-shaped track is smoothly docked with the rear end of the U-shaped opening track in the corresponding chain return steering device side plate 9, and the first steering wear-resistant guide rail 10 is composed of two arc structures with different lengths that are mutually clamped and assembled, wherein the long arc structure is a fixed segment, and the short arc structure is a movable segment, thereby facilitating disassembly and use, and its purpose is to facilitate the installation and maintenance of the conveyor chain, and the two segments cooperate with each other through concave and convex grooves;

[0041] The cross section of the nylon direction conversion shaft 12 is I-shaped, and a concave auxiliary bearing seat is provided at both ends of the nylon direction conversion shaft 12 for mounting the second bearing 11;

[0042] The fixed shaft 13 is cylindrical in shape, and screw holes are provided at both ends of the fixed shaft 13. The ends of the fixed shaft 13 are respectively passed through the outer sides of the two chain return steering device side plates 9 and are locked and assembled with screws.

[0043] There are two second connecting members 14 and they are respectively installed on the front end inner walls of the two chain turn-back steering device side plates 9. A plurality of screw holes are opened at the midline position of the second connecting member 14, and one end of the second connecting member 14 is engaged with the second U-shaped track and the U-shaped open track in the chain turn-back steering device side plate 9.

[0044] Working principle: When in use, the main drive device and the chain return and steering device are respectively arranged at the two ends of the transmission chain. The motor transmits power to the nylon gear torque conversion device 4 through the power transmission shaft 6, and then drives the transmission chain to run along the chain track. The chain runs to the end of the transmission chain and turns to the bottom of the conveyor chain through the chain return and steering device. The transmission chain continues to run. When the chain runs to the main drive device again, the chain returns to the origin along the first steering wear-resistant guide rail 2 in the main drive device, and the cycle runs over and over again.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. At the same time, in the drawings of the present utility model, the fill pattern is only for distinguishing the layers, without any other limitation.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power conversion device for conveyor chain drive, comprising a main drive device, a chain return and steering device, Features: The main drive device comprises a driving body structure, a first steering wear-resistant guide rail (2), a first bearing (3), a nylon gear torque conversion device (4), a connecting flange (5), a power transmission shaft (6), a first connecting piece (7), and a motor; the chain return steering device comprises a steering body structure, a second steering wear-resistant guide rail (10), a second bearing (11), a nylon direction conversion shaft (12), a fixed shaft (13), and a second connecting piece (14); The driving main body structure mainly comprises two main driving device side plates (1) and a plurality of first connecting columns (8) installed between the front ends of the two main driving device side plates (1); the first steering wear-resistant guide rail (2) is installed on the rear end side wall of the driving main body structure; the first connecting member (7) is installed on the front end side wall of the driving main body structure and is aligned with and snap-fitted with the first steering wear-resistant guide rail (2); Both ends of the nylon gear torque conversion device (4) are mounted on the rear ends of the two main drive device side plates (1) via a first bearing (3); the connecting flange (5) is installed between the motor and one side of the drive main structure; one end of the power transmission shaft (6) is drivingly connected to the output end of the motor; the other end of the power transmission shaft (6) passes through the connecting flange (5), the drive main structure and is drivingly connected to the nylon gear torque conversion device (4); The steering main body structure is mainly composed of two chain return steering device side plates (9) and a plurality of second connecting columns (15) installed between the front ends of the two chain return steering device side plates (9), and the chain return steering device side plates (9) have the same structure as the main drive device side plates (1); The second steering wear-resistant guide rail (10) is mounted on the rear end side wall of the steering main structure, the second connecting member (14) is mounted on the front end side wall of the steering main structure and is aligned with and snap-fitted to the second steering wear-resistant guide rail (10), the inner side of the nylon direction conversion shaft (12) is fitted with the middle part of the fixed shaft (13), and both ends of the fixed shaft (13) are fitted with the rear ends of the two chain return steering device side plates (9) through a second bearing (11).

2. A power conversion device for conveyor chain drive according to claim 1, Features: The rear ends of the two main drive device side plates (1) are circular flat plates, and a circular hole for passing the power transmission shaft (6) is provided at the center of the circular flat plate. A bearing fixing seat for mounting a first bearing (3) is provided in the circular hole, and a flange fixing hole for mounting a connecting flange (5) is provided in the bearing fixing seat. A first fixing hole for mounting a first steering wear-resistant guide rail (2) of a main drive device chain plate is provided on the outer edge of the circular flat plate. The front end of the main drive device side plate (1) is a gradually narrowing U-shaped open track, one side of the U-shaped open track is tangent to the outside of the circular flat plate and is in a straight line, and the other side of the U-shaped open track is tangent to the outside of the circular flat plate and is in an arc shape bending inwardly. A connecting piece slot is provided at the center position of the inner side of the U-shaped open track, and the connecting piece slot is parallel to the straight line side of the U-shaped open track. A connecting column fixing hole is provided at each end of the center position of the connecting piece slot, and the connecting column fixing hole provides clearance for assembly between the main drive device side plate (1) and the first connecting column (8).

3. A power conversion device for conveyor chain drive according to claim 1, Features: The number of the first steering wear-resistant guide rails (2) is the same as the number of the main drive device side panels (1), and the first steering wear-resistant guide rails (2) are installed on the rear end inner wall of the corresponding main drive device side panels (1). The main body of the first steering wear-resistant guide rail (2) is a U-shaped structure, and the cross section is an inward L-shaped structure. A U-shaped guide rail is arranged on one side of the first steering wear-resistant guide rail (2). A second fixing hole aligned with the first fixing hole is opened in the first steering wear-resistant guide rail (2), and both ends of the U-shaped guide rail are smoothly connected to the rear end of the U-shaped open track in the main drive device side panel (1).

4. A power conversion device for conveyor chain drive according to claim 1, Features: The nylon gear torque conversion device (4) is mainly composed of a double row of gears and a mounting cylinder between the double row of gears, and the axis of the double row of gears is mounted on the corresponding first bearing (3) through a bearing seat.

5. A power conversion device for conveyor chain drive according to claim 1, Features: The number of the first connecting members (7) is the same as the number of the first steering wear-resistant guide rails (2). A plurality of screw holes are provided at the midline of the first connecting member (7). One end of the first connecting member (7) is respectively engaged with the connecting member slot and the U-shaped guide rail.

6. A power conversion device for conveyor chain drive according to claim 1, Features: The front ends of the two chain return steering device side plates (9) are each provided with a second fixing hole, and the second fixing hole provides installation clearance for assembling the chain return steering device side plates (9) and the second connecting column (15).

7. A power conversion device for conveyor chain drive according to claim 1, Features: The number of the second steering wear-resistant guide rails (10) is the same as the number of the chain return steering device side plates (9), and the two second steering wear-resistant guide rails (10) are respectively mounted on the inner sides of the rear ends of the two chain return steering device side plates (9), and a second U-shaped track is arranged on one side of the second steering wear-resistant guide rail (10), and the second U-shaped track is smoothly connected with the rear end of the U-shaped opening track in the corresponding chain return steering device side plate (9).

8. A power conversion device for conveyor chain drive according to claim 1, Features: The second steering wear-resistant guide rail (10) is composed of two arc structures of different lengths that are snap-fitted together, wherein the long arc structure is a fixed segment and the short arc structure is a movable segment.

9. A power conversion device for conveyor chain drive according to claim 1, Features: The second connecting members (14) are provided in two numbers and are respectively mounted on the front end inner walls of the two chain return steering device side plates (9).

10. A power conversion device for conveyor chain drive according to claim 1, Features: A plurality of screw holes are provided at the midline position of the second connecting member (14), and one end of the second connecting member (14) is engaged with the second U-shaped track and the U-shaped opening track in the side plate (9) of the chain return steering device.

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