Chain-driven shuttling servo lifting structure

Abstract

The utility model discloses a chain-driven shuttling servo lifting structure which comprises a rack, a servo motor, a driving chain wheel, a first deflection crutch, a driven chain wheel, a double-row chain, a transmission connecting arm, a connecting rod, a driven connecting arm, a second deflection crutch, a lifting connecting arm, a guide rod, a linear bearing and a fixing support. The servo motor is used for driving the driving chain wheel to rotate, then the first deflection crutch is synchronously driven to rotate through the double-row chain, the rotating torque of the first deflection crutch is transmitted to the second deflection crutch through the transmission connecting arm, the connecting rod and the driven connecting arm in the rotating process, the second deflection crutch is made to rotate synchronously, and therefore the deflection crutch is driven to rotate synchronously. The lifting connecting arm drives the guide rod and the lifting tray to ascend and descend, an existing air cylinder driving mode is replaced, the lifting speed of the tray is increased, meanwhile, the structure is simple, operation is stable, and the lifting displacement precision of the tray is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting drive structures, in particular to a chain-driven shuttle servo lifting structure. Background Art

[0002] The lifting structure is a driving structure for mechanical operation. Generally, the power parts are used as power output to assist the moving parts to move up and down to meet the production needs. The lifting structure can replace the reciprocating process of manual completion of the target. By cooperating with other functional structures, more complex mechanical operation processes can be completed. Therefore, the lifting structure has been widely used in mechanical structures. The existing lifting structure for moving pallets uses cylinders to push the pallets to lift and lower. The overall operation speed is slow. At the same time, the cylinder drive structure is limited by the air pressure, which affects the displacement accuracy of the lifting structure. Therefore, it is necessary to design a chain-driven shuttle servo lifting structure. Utility Model Content

[0003] The purpose of the utility model is to provide a chain-driven shuttle servo lifting structure to solve the problem that the existing lifting structure for moving the pallet uses a cylinder to push the pallet to lift and lower, the overall running speed is slow, and the cylinder drive structure is limited by the air pressure, which affects the displacement accuracy of the lifting structure.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a chain-driven shuttle servo lifting structure, including a frame, a mounting plate, a motor plate, a reducer body, a servo motor, a driving sprocket, a first bearing seat, a first deflection, a driven sprocket, a double-row chain, a transmission connecting arm, a connecting rod, a driven connecting arm, a second deflection, a lifting connecting arm, a guide rod, a lifting tray, a linear bearing, a fixed bracket, a reinforcing rib and a second bearing seat, a mounting plate is provided at one side edge of the frame, a motor plate is provided on one side of the top of the mounting plate, a reducer body is fixedly connected to one side of the motor plate, and the reducer body is cooperatively connected to the output end of the servo motor, and the output end of the reducer body is fixedly connected A driving sprocket is fixedly connected to the frame, and a first bearing seat is symmetrically arranged on one side of the top of the frame. A first deflection is connected to the first bearing seat through a bearing. One end of the first deflection is fixedly sleeved with a driven sprocket, and the driven sprocket and the driving sprocket are connected to each other through a double-row chain. One end of the first deflection is fixedly sleeved with one end of a transmission connecting arm, and the other end of the transmission connecting arm is rotatably connected with a connecting rod, one end of the connecting rod is rotatably connected to the driven connecting arm, and one end of the driven connecting arm is fixedly sleeved on the second deflection. Lifting connecting arms are symmetrically arranged on the second deflection and the first deflection, and the bottom end of the guide rod is slidably connected to the sliding groove opened in the lifting connecting arm, and the top end of the guide rod is fixed to the four corners of the bottom of the lifting tray.

[0005] Preferably, the guide rod is connected in a linear bearing.

[0006] Preferably, the linear bearing is fixed on one side of the fixed bracket.

[0007] Preferably, the fixing brackets are symmetrically arranged on the top of the frame.

[0008] Preferably, reinforcing ribs are provided between the fixing bracket and the frame.

[0009] Preferably, the second deflection is connected in the second bearing seat by a bearing fit.

[0010] Preferably, the second bearing seat is symmetrically installed on the top of the frame.

[0011] The chain-driven shuttle servo lifting structure provided by the utility model has the advantages that a servo motor is used in combination with a reducer body to rotate the driving sprocket, and then the driven sprocket and the first bend are synchronously driven to rotate through a double-row chain; during the rotation process, a connecting rod connected between the driven connecting arm and the transmission connecting arm connects the first bend and the second bend to form a parallelogram transmission structure; during the rotation of the first bend, the torque is transmitted to the second bend through the transmission connecting arm, the connecting rod and the driven connecting arm, so that the second bend rotates synchronously with the first bend, and then the lifting connecting arms symmetrically arranged on the second bend and the first bend are used to drive the guide rod and the lifting tray to be lifted and lowered, and then the linear bearing is used to complete the vertical lifting process of the lifting tray; a servo motor is used to replace the existing cylinder driving method, so that the lifting speed of the structure is improved; at the same time, the structure is simple and the operation is stable, so the lifting displacement accuracy of the tray is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 for Figure 1 A partial enlarged view of the middle A area;

[0015] Figure 3 This is the overall structural front view of the utility model;

[0016] Figure 4 It is a top view of the overall structure of the utility model.

[0017] In the figure: 1. frame; 2. mounting plate; 3. motor plate; 4. reducer body; 5. servo motor; 6. driving sprocket; 7. first bearing seat; 8. first deflection; 9. driven sprocket; 10. double-row chain; 12. transmission connecting arm; 13. connecting rod; 14. driven connecting arm; 15. second deflection; 16. lifting connecting arm; 17. guide rod; 18. lifting tray; 19. linear bearing; 20. fixed bracket; 21. reinforcing rib; 22. second bearing seat. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] See also Figure 1-4The utility model provides an embodiment: a chain-driven shuttle servo lifting structure, including a frame 1, a mounting plate 2, a motor plate 3, a reducer body 4, a servo motor 5, a driving sprocket 6, a first bearing seat 7, a first deflection 8, a driven sprocket 9, a double-row chain 10, a transmission connecting arm 12, a connecting rod 13, a driven connecting arm 14, a second deflection 15, a lifting connecting arm 16, a guide rod 17, a lifting tray 18, a linear bearing 19, a fixing bracket 20, a reinforcing rib 21 and a second bearing seat 22, and a side edge of the frame 1 is provided There is a mounting plate 2, a motor plate 3 is arranged on one side of the top of the mounting plate 2, a reducer body 4 is fixedly connected to one side of the motor plate 3, and the reducer body 4 is connected to the output end of the servo motor 5, and the output end of the reducer body 4 is fixedly connected to the driving sprocket 6, and a first bearing seat 7 is symmetrically arranged on one side of the top of the frame 1, and a first deflection 8 is connected to the first bearing seat 7 through a bearing, and a driven sprocket 9 is fixedly sleeved on one end of the first deflection 8, and the driven sprocket 9 and the driving sprocket 6 are connected to each other through a double-row chain 10, and the first deflection 8 One end of the transmission connecting arm 12 is fixedly sleeved, and the other end of the transmission connecting arm 12 is rotatably connected to a connecting rod 13. One end of the connecting rod 13 is rotatably connected to a driven connecting arm 14. One end of the driven connecting arm 14 is fixedly sleeved on a second deflection 15. The second deflection 15 and the first deflection 8 are symmetrically provided with lifting connecting arms 16. The bottom end of a guide rod 17 is slidably connected in a slide groove provided in the lifting connecting arm 16. The top end of the guide rod 17 is fixed to the four corners of the bottom of the lifting tray 18. The guide rod 17 is matched and connected to a linear bearing 19. The linear bearing 19 is fixed on one side of the fixed bracket 20, and the fixed bracket 20 is symmetrically arranged on the top of the frame 1. A reinforcing rib 21 is arranged between the fixed bracket 20 and the frame 1. The second deflection 15 is connected to the second bearing seat 22 through a bearing fit, and the second bearing seat 22 is symmetrically installed on the top of the frame 1. The second bearing seat 22 is installed on the top of the frame 1 to support the second deflection 15. The linear bearing 19 is used to limit the guide rod 17 during the lifting process of the lifting tray 18, thereby ensuring the operating stability of the lifting tray 18;

[0021] Specifically, when in use, the servo motor 5 is used in conjunction with the reducer body 4 to rotate the driving sprocket 6, and then the double-row chain 10 is used to synchronously drive the driven sprocket 9 and the first bend 8 to rotate. During the rotation process, the connecting rod 13 connected between the driven connecting arm 14 and the transmission connecting arm 12 connects the first bend 8 and the second bend 15 to form a parallelogram transmission structure. During the rotation of the first bend 8, the torque is transmitted to the second bend 15 through the transmission connecting arm 12, the connecting rod 13 and the driven connecting arm 14, so that the second bend 15 rotates synchronously with the first bend 8, and then the lifting connecting arms 16 symmetrically arranged on the second bend 15 and the first bend 8 are used to drive the guide rod 17 and the lifting tray 18 to be lifted and lowered, and then the linear bearing 19 is used to complete the vertical lifting process of the lifting tray 18. The servo motor 5 is used to replace the existing cylinder drive method, which improves the lifting speed of the structure. At the same time, the structure is simple and stable in operation, which ensures the lifting displacement accuracy of the tray.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A chain-driven shuttle servo lifting structure, comprising a frame (1), a mounting plate (2), a motor plate (3), a reducer body (4), a servo motor (5), a driving sprocket (6), a first bearing seat (7), a first deflection (8), a driven sprocket (9), a double-row chain (10), a transmission connecting arm (12), a connecting rod (13), a driven connecting arm (14), a second deflection (15), a lifting connecting arm (16), a guide rod (17), a lifting tray (18), a linear bearing (19), a fixing bracket (20), a reinforcing rib (21) and a second bearing seat (22), characterized in that: A mounting plate (2) is arranged at one side edge of the frame (1), a motor plate (3) is arranged on one side of the top of the mounting plate (2), a reducer body (4) is fixedly connected to one side of the motor plate (3), and the reducer body (4) is connected to the output end of the servo motor (5), and a driving sprocket (6) is fixedly connected to the output end of the reducer body (4), and a first bearing seat (7) is symmetrically arranged on one side of the top of the frame (1), a first deflection (8) is connected to the first bearing seat (7) through a bearing, and a driven sprocket (9) is fixedly sleeved on one end of the first deflection (8), and the driven sprocket (9) and the driving sprocket (6) are connected by a double The row chains (10) are connected to each other in a coordinated manner. One end of the first deflection (8) is fixedly sleeved on one end of a transmission connecting arm (12). The other end of the transmission connecting arm (12) is rotatably connected to a connecting rod (13). One end of the connecting rod (13) is rotatably connected to a driven connecting arm (14). One end of the driven connecting arm (14) is fixedly sleeved on a second deflection (15). The second deflection (15) and the first deflection (8) are symmetrically provided with lifting connecting arms (16). The bottom end of a guide rod (17) is slidably connected in a sliding groove provided in the lifting connecting arm (16). The top end of the guide rod (17) is fixed on the four corners of the bottom of the lifting tray (18).

2. The chain-driven shuttle servo lifting structure according to claim 1 is characterized in that: The guide rod (17) is connected in a linear bearing (19).

3. The chain-driven shuttle servo lifting structure according to claim 2 is characterized in that: The linear bearing (19) is fixed on one side of the fixed bracket (20).

4. The chain-driven shuttle servo lifting structure according to claim 3 is characterized in that: The fixing bracket (20) is symmetrically arranged on the top of the frame (1).

5. The chain-driven shuttle servo lifting structure according to claim 4, characterized in that: A reinforcing rib (21) is provided between the fixing bracket (20) and the frame (1).

6. The chain-driven shuttle servo lifting structure according to claim 1, characterized in that: The second deflection (15) is connected in the second bearing seat (22) via a bearing fit.

7. The chain-driven shuttle servo lifting structure according to claim 6, characterized in that: The second bearing seat (22) is symmetrically mounted on the top of the frame (1).

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