Material lifting device and automatic material lifting mechanism thereof

Abstract

The utility model provides a material lifting device and an automatic material lifting mechanism thereof. The material lifting device comprises a rack, a rotating structure and a driving device, the rotating structure comprises a rotating arm, a balancing weight, a first chain wheel, a second chain wheel, a chain and a supporting plate used for supporting materials, the balancing weight is arranged at one end of the rotating arm, the first chain wheel is arranged at the other end of the rotating arm and can rotate relative to the rotating arm, the first chain wheel is fixedly connected with the supporting plate, and the second chain wheel is arranged on the supporting plate. The second chain wheel is located between the balancing weight and the supporting plate, and the chain is wound around the first chain wheel and the second chain wheel. The driving device is arranged on the rack and used for controlling the second chain wheel and the rotating arm to rotate synchronously. The material lifting device has the advantages of being better in synchronism, low in failure rate, convenient to maintain and capable of remarkably improving material lifting efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum processing, in particular to a material lifting device and an automatic material lifting mechanism thereof. Background Art

[0002] As we all know, aluminum profiles are products made of aluminum and other alloying elements. They are typically processed into castings, forgings, foils, plates, strips, tubes, bars, and profiles, followed by cold bending, sawing, drilling, assembly, and painting. Aluminum is the primary metal element, with alloying elements added to enhance its performance. Aluminum profiles are produced through extrusion, and after exiting the mold, they undergo cutting, drilling, and other operations.

[0003] Among them, in each process of aluminum profile processing, the aluminum profile to be processed needs to be discharged or transferred to the next process. For example, Chinese application number CN202011207966.4 discloses a CNC machine tool material bin loading and unloading lifting device, including a rectangular bin, a placement plate is set inside the rectangular bin, and the bottom surface of the placement plate is fixedly connected to support rods at symmetrical positions on the left and right sides. The bottom surface of the support rod is provided with a rectangular groove, and the inside of the rectangular groove is fixedly connected to a nut, which is threadedly connected to a screw rod. The bottom end of the screw rod is rotatably connected to the inner bottom of the rectangular bin through a bearing. The lower end of the screw rod is clamped to gear 1, and the gear 1 is meshed with gear 2. The gear 2 is set at the output end position of the servo motor. The device can automatically control the up and down movement of the placement plate, thereby lifting the raw material and facilitating loading and unloading. By setting a servo motor and a screw rod, the up and down movement of the support rod can be facilitated, thereby driving the up and down movement of the placement plate. By setting a pressure sensor on the upper surface of the placement plate, the movement distance of the placement plate can be conveniently controlled, making it convenient to use. Another example is Chinese application number CN201310112538.7, which discloses a feeding mechanism for an aluminum profile sawing and machining center. The mechanism comprises a frame, a supporting roller, side positioning rollers, and a side pressure roller driven by a horizontal cylinder. The side positioning rollers and supporting rollers are both connected to the frame, and the roller bracket is also provided with a transition roller. The frame is also provided with at least two lifting cylinders, each of which has a piston rod end connected to the lifting roller. The frame is also provided with an upper pressure roller. During the sawing process of the profile, the profile is positioned by the supporting rollers and side positioning rollers connected to the frame. Factors such as air pressure have no effect on the processing, resulting in accurate positioning and high processing precision. The lifting cylinders are controlled by a centrally sealed solenoid valve, and each lifting cylinder is equipped with a speed regulating valve to achieve synchronous operation of the lifting cylinders.

[0004] In summary, traditional aluminum profile lifting devices all use multiple cylinders to lift and feed the aluminum profiles. However, this coordination can lead to asynchronous movements, resulting in some cylinders lifting faster than others, ultimately impacting discharge speed and increasing equipment failure rates. Furthermore, due to the high discharge frequency, the cylinders are not durable, requiring frequent replacement of cylinder parts, which increases manufacturing costs. Utility Model Content

[0005] Based on this, in order to solve the problem that traditional aluminum profile lifting devices all use multiple cylinders to lift and feed aluminum profiles, the coordination of multiple cylinders will cause asynchronous movements, resulting in some cylinders lifting faster and others lifting slower, which ultimately affects the discharge speed and increases the equipment failure rate. In addition, due to the high discharge frequency, the cylinders are not durable and cylinder parts need to be replaced frequently, increasing the company's production and manufacturing costs. The utility model provides a lifting device and an automatic lifting mechanism thereof, and its specific technical solutions are as follows:

[0006] A material lifting device, comprising:

[0007] frame;

[0008] A rotating structure comprising a rotating arm, a counterweight, a first sprocket, a second sprocket, a chain, and a support plate for supporting materials, wherein the counterweight is mounted on one end of the rotating arm, the first sprocket is mounted on the other end of the rotating arm and can rotate relative to the rotating arm, the first sprocket is fixedly connected to the support plate, the second sprocket is located between the counterweight and the support plate, and the chain is wound around the first sprocket and the second sprocket;

[0009] A driving device is installed on the frame, and is used to control the second sprocket to rotate synchronously with the rotating arm.

[0010] The above-mentioned material lifting device is provided with a rotating arm and cooperates with a driving device, and the driving device is used to control the rotating arm to rotate, thereby controlling the vertical rotation and lifting movement of the pallet; when the driving device controls the rotating arm to drive the pallet to rotate and rise, a counterweight block is provided and the counterweight block is located at the end of the rotating arm away from the pallet. In this way, the gravity of the counterweight block and the effect of the lever principle are used to provide a certain lifting effect for the pallet, thereby avoiding overloading of the driving device when the pallet supports the material and shortening the service life of the driving device; a first sprocket, a second sprocket and a chain are provided, and the chain is wound around the first sprocket and the second sprocket. At the same time, the driving device drives the rotating arm to rotate synchronously with the second sprocket. In this way, when the rotating arm rotates, the pallet is driven by the first sprocket, the second sprocket and the chain to maintain the same rotation angle as the rotating arm. Through the cooperation of the first sprocket, the second sprocket and the chain, the pallet can be kept in a horizontal state when the rotating arm rotates, ensuring the stability of the material and ensuring that the material can be lifted to the next process.

[0011] This lifting device is used for conveying and transferring aluminum profiles. Compared with the traditional material lifting using cylinders, this lifting device uses a driving device and a rotating structure to replace the traditional cylinder, making it simple in structure, easy to operate, easy to maintain and not easy to damage accessories.

[0012] Furthermore, the lifting device also includes a fixing part and a locking part, and the fixing part is fixedly installed on one end of the rotating arm; the counterweight block is provided with a through hole, and the through hole is sleeved on the fixing part, and the locking part is threadedly connected to the fixing part and is used to press the counterweight block onto the rotating arm.

[0013] Furthermore, there are multiple counterweight blocks.

[0014] Furthermore, an abutment block for abutting the material is provided at one end of the support plate away from the second sprocket.

[0015] Furthermore, the material lifting device also includes a bearing seat, and the output end of the driving device passes through the bearing seat, the rotating arm and the second sprocket in sequence.

[0016] Furthermore, the material lifting device also includes a shaft sleeve, which is sleeved on the output end of the driving device and fixedly connected to the rotating arm.

[0017] An automatic material lifting mechanism comprises a conveying platform, a transmission shaft, and at least two of the above-mentioned material lifting devices; the conveying platform is provided with a material lifting space corresponding one to one to each of the material lifting devices, and the support plate is driven by the driving device to rotate in and out of the material lifting space; one end of the transmission shaft is connected to the output end of the driving device, and the other end of the transmission shaft passes through each of the material lifting devices in turn and is transmission-connected to each of the material lifting devices.

[0018] The above-mentioned automatic material lifting mechanism is provided with a conveying platform, which has a material lifting position. The material is conveyed from the previous process to the material lifting position under the guidance of the conveying platform; the material lifting device rotates and lifts the material to the target height under the drive of the driving device, and the material just falls onto the transverse synchronous belt, which is further driven by the transverse synchronous belt to convey the material to the next process.

[0019] This automatic lifting mechanism is used to transport aluminum profiles. It not only replaces manual labor and saves labor costs, but also replaces the transmission cylinder lifting. The lifting device, transmission shaft and drive device are used to ensure the movement consistency of the rotating structure. It has better synchronization, low failure rate, easy maintenance and significantly improved efficiency.

[0020] Furthermore, the automatic material lifting mechanism also includes a coupling, and the output end of the driving device is connected to the transmission shaft through the coupling.

[0021] Furthermore, the conveying platform includes a mounting frame and a plurality of transmission rollers, wherein the plurality of transmission rollers are mounted on the mounting frame and can rotate relative to the mounting frame; the plurality of transmission rollers are arranged side by side and spaced apart. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention can be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily drawn to scale, but rather the emphasis is placed on illustrating the principles of the embodiments. In different views, the same reference numerals designate corresponding parts.

[0023] Figure 1 This is one of the structural diagrams of the automatic material lifting mechanism according to one embodiment of the present utility model;

[0024] Figure 2 This is the second structural diagram of the automatic material lifting mechanism according to one embodiment of the present utility model;

[0025] Figure 3 This is a schematic top view of the automatic material lifting mechanism according to one embodiment of the present utility model;

[0026] Figure 4 This is a side structural diagram of an automatic material lifting mechanism according to an embodiment of the present utility model;

[0027] Figure 5 This is one of the partial structural diagrams of the automatic material lifting mechanism according to one embodiment of the present utility model;

[0028] Figure 6 yes Figure 5 Schematic diagram of the local structure of A;

[0029] Figure 7 This is the second partial structural diagram of the automatic material lifting mechanism according to one embodiment of the present utility model;

[0030] Figure 8 yes Figure 7 Schematic diagram of the local structure of B.

[0031] Description of reference numerals:

[0032] 1. Frame; 2. Rotating structure; 21. Rotating arm; 22. Counterweight; 23. First sprocket; 24. Second sprocket; 25. Support plate; 251. Abutment block; 3. Driving device; 4. Locking piece; 5. Bearing seat; 6. Bushing; 7. Conveyor platform; 71. Drive roller; 8. Drive shaft; 9. Coupling; 10. Aluminum profile; 11. Transverse timing belt. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with its embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and do not limit the scope of protection of the present invention.

[0034] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly attached to the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended solely for the purpose of describing specific embodiments and are not intended to limit this invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0036] The "first" and "second" in the present invention do not represent specific quantities and orders, but are only used to distinguish names.

[0037] like Figure 1-8As shown, a material lifting device in one embodiment of the utility model includes a frame 1, a rotating structure 2 and a driving device 3; the rotating structure 2 includes a rotating arm 21, a counterweight 22, a first sprocket 23, a second sprocket 24, a chain (not shown in the figure) and a support plate 25 for supporting materials, the counterweight 22 is arranged at one end of the rotating arm 21, the first sprocket 23 is arranged at the other end of the rotating arm 21 and can rotate relative to the rotating arm 21, the first sprocket 23 is fixedly connected to the support plate 25, the second sprocket 24 is located between the counterweight 22 and the support plate 25, and the chain is wound around the first sprocket 23 and the second sprocket 24; the driving device 3 is arranged on the frame 1, and the driving device 3 is used to control the second sprocket 24 to rotate synchronously with the rotating arm 21.

[0038] The above-mentioned material lifting device is provided with a rotating arm 21 and cooperates with the driving device 3, and the driving device 3 controls the rotating arm 21 to rotate, thereby controlling the support plate 25 to rotate and lift in the vertical direction; when the driving device 3 controls the rotating arm 21 to drive the support plate 25 to rotate and rise, a counterweight block 22 is provided and the counterweight block 22 is located at the end of the rotating arm 21 away from the support plate 25. In this way, the gravity of the counterweight block 22 and the action of the lever principle are used to provide a certain lifting effect for the support plate 25, thereby avoiding overloading of the driving device 3 when the support plate 25 supports the material and shortening the service life of the driving device 3; a first sprocket 23, a second sprocket 24 and a chain are provided, and the chain is wound around the first sprocket 23 and the second sprocket 24. At the same time, the driving device 3 drives the rotating arm 21 and the second sprocket 24 to rotate synchronously. In this way, when the rotating arm 21 rotates, the support plate 25 maintains the same rotation angle as the rotating arm 21 under the drive of the first sprocket 23, the second sprocket 24 and the chain. Through the cooperation of the first sprocket 23, the second sprocket 24 and the chain, the support plate 25 can be kept in a horizontal state when the rotating arm 21 rotates, ensuring the stability of the material and ensuring that the material can be lifted to the next process.

[0039] This lifting device is used for conveying and transferring aluminum profiles 10. Compared with the traditional material lifting using cylinders, this lifting device uses the cooperation of a driving device 3 and a rotating structure 2 to replace the traditional cylinder, making it simple in structure, easy to operate, easy to maintain and not easy to damage accessories.

[0040] In one embodiment, the material lifting device further includes a fixing member and a locking member 4. The fixing member is fixedly mounted on one end of the rotating arm 21. The counterweight 22 has a through hole that is sleeved by the fixing member. The locking member 4 is threadedly connected to the fixing member and is used to press the counterweight 22 onto the rotating arm 21. This allows the user to quickly remove the counterweight 22 according to the weight of the material.

[0041] In one embodiment, there are multiple counterweights 22 .

[0042] In one embodiment, an end of the support plate 25 away from the second sprocket 24 is provided with an abutment block 251 for abutting the material, thereby preventing the material from falling.

[0043] In one embodiment, the material lifting device further includes a bearing seat 5 , and the output end of the driving device 3 passes through the bearing seat 5 , the rotating arm 21 and the second sprocket 24 in sequence.

[0044] In one embodiment, the material lifting device further includes a shaft sleeve 6 , which is sleeved on the output end of the driving device 3 , and the shaft sleeve 6 is fixedly connected to the rotating arm 21 .

[0045] like Figure 1-8 As shown, an automatic material lifting mechanism in one embodiment of the utility model includes a conveying platform 7, a transmission shaft 8, and at least two of the above-mentioned material lifting devices; the conveying platform 7 is provided with a material lifting space corresponding to each of the material lifting devices, and the support plate 25 is driven by the driving device 3 to rotate in and out of the material lifting space; one end of the transmission shaft 8 is connected to the output end of the driving device 3, and the other end of the transmission shaft 8 passes through each of the material lifting devices in turn and is transmission-connected to each of the material lifting devices.

[0046] The above-mentioned automatic material lifting mechanism is provided with a conveying platform 7, and the conveying platform 7 is provided with a material lifting position. The material is conveyed from the previous process to the material lifting position under the guidance of the conveying platform 7; the material lifting device rotates and lifts the material to the target height under the drive of the driving device 3, and the material just falls to the transverse synchronous belt 11, and the transverse synchronous belt 11 is further driven to convey the material to the next process.

[0047] This automatic lifting mechanism is used to transport aluminum profiles 10, which not only replaces manual labor and saves labor costs, but also replaces the transmission cylinder lifting. The lifting device, transmission shaft 8 and driving device 3 are used to ensure the movement consistency of the rotating structure 2. It has better synchronization, low failure rate, convenient maintenance, and significantly improved efficiency.

[0048] In one embodiment, the automatic material lifting mechanism further includes a coupling 9, and the output end of the driving device 3 is connected to the transmission shaft 8 through the coupling 9. In this way, the connection between the output end of the driving device 3 and the transmission shaft 8 is achieved through the coupling 9.

[0049] In one embodiment, the number of the bearing seats 5 corresponds to each of the lifting devices, and the transmission shaft 8 is inserted into the bearing seats 5. In this way, the bearing seats 5 provide support for the transmission shaft 8, thereby preventing the transmission shaft 8 from being deformed due to excessive length.

[0050] In one embodiment, the conveying platform 7 includes a mounting frame and a plurality of transmission rollers 71 . The plurality of transmission rollers 71 are mounted on the mounting frame and can rotate relative to the mounting frame. The plurality of transmission rollers 71 are arranged side by side and spaced apart.

[0051] In one embodiment, there are multiple transmission shafts 8 and couplings 9 , and the multiple transmission shafts 8 are connected to each other through the couplings 9 .

[0052] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0053] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A material lifting device, characterized in that: include: frame; A rotating structure comprising a rotating arm, a counterweight, a first sprocket, a second sprocket, a chain, and a support plate for supporting materials, wherein the counterweight is mounted on one end of the rotating arm, the first sprocket is mounted on the other end of the rotating arm and can rotate relative to the rotating arm, the first sprocket is fixedly connected to the support plate, the second sprocket is located between the counterweight and the support plate, and the chain is wound around the first sprocket and the second sprocket; A driving device is installed on the frame, and is used to control the second sprocket to rotate synchronously with the rotating arm.

2. The material lifting device according to claim 1, characterized in that: It also includes a fixing piece and a locking piece, wherein the fixing piece is fixedly installed at one end of the rotating arm; the counterweight block is provided with a through hole, and the through hole is sleeved on the fixing piece, and the locking piece is threadedly connected to the fixing piece and is used to press the counterweight block onto the rotating arm.

3. The material lifting device according to claim 2, characterized in that: There are multiple counterweight blocks.

4. The material lifting device according to claim 1, characterized in that: An abutment block for abutting the material is provided at one end of the supporting plate away from the second sprocket.

5. The material lifting device according to claim 1, characterized in that: It also includes a bearing seat, and the output end of the driving device passes through the bearing seat, the rotating arm and the second sprocket in sequence.

6. The material lifting device according to claim 1, characterized in that: It also includes a shaft sleeve, which is sleeved on the output end of the driving device and fixedly connected to the rotating arm.

7. An automatic material lifting mechanism, characterized in that: It includes a conveying platform, a transmission shaft, and at least two lifting devices as described in any one of claims 1 to 6; the conveying platform is provided with a lifting space corresponding to each of the lifting devices, and the pallet is driven by the driving device to rotate in and out of the lifting space; one end of the transmission shaft is connected to the output end of the driving device, and the other end of the transmission shaft passes through each of the lifting devices in turn and is connected to each of the lifting devices in a transmission manner.

8. The automatic material lifting mechanism according to claim 7, characterized in that: It also includes a coupling, and the output end of the driving device is connected to the transmission shaft through the coupling.

9. The automatic material lifting mechanism according to claim 7, characterized in that: The conveying platform includes a mounting frame and a plurality of transmission rollers. The plurality of transmission rollers are mounted on the mounting frame and can rotate relative to the mounting frame. The plurality of transmission rollers are arranged side by side and spaced apart.

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