Conveying device for forklift

Abstract

The conveying device comprises a fixing frame, side conveying assemblies, a center conveying assembly and a movable conveying assembly, the side conveying assemblies are fixedly installed on the two sides of the fixing frame, and the center conveying assembly is fixedly installed at the center of the fixing frame; a movable conveying assembly is movably installed between the center conveying assembly and the side conveying assembly, the upper end face of the side conveying assembly, the upper end face of the center conveying assembly and the upper end face of the movable conveying assembly are located at the same height, a first power assembly and a second power assembly are further fixedly installed on the fixing frame, and the first power assembly is in transmission connection with the center conveying assembly. The distance between the movable conveying assembly and the center conveying assembly can be adjusted, the gravity center of materials above the center conveying assembly can be adjusted, insertion and taking of a forklift are facilitated, insertion of fork teeth of the forklift and the distance between the fork teeth of the forklift are facilitated through adjustment of the movable conveying assembly, and the conveying assembly is convenient to use. And products with different models and sizes can be matched.

Description

Technical Field

[0001] The present invention relates to the field of automated machinery, and particularly to a conveying device for a forklift truck. Background Art

[0002] In the existing forklift truck for inserting and delivering goods, products need to be placed on a pallet. Especially for products such as cardboard stacks, the fork teeth cannot directly extend under them, so they all need to be placed on a pallet. However, the pallet cannot be directly placed on the subsequent production line. Therefore, in the subsequent process, the products need to be transferred from the pallet to the production line again.

[0003] In order to directly lift the pallet stack, a feeding component that can cooperate with the forklift for the pallet stack is required. Summary of the Invention

[0004] The main object of the present invention is to provide a conveying device for a forklift truck, which can cooperate with the forklift for fork loading and improve work efficiency.

[0005] To achieve the above object, the technical solution adopted by the present invention is as follows: A conveying device for a forklift truck includes a fixed frame, side conveying components, a central conveying component, and a movable conveying component. Side conveying components are fixedly installed on both sides of the fixed frame, a central conveying component is fixedly installed at the center of the fixed frame, and a movable conveying component is movably installed between the central conveying component and the side conveying components. The upper end surfaces of the side conveying components, the central conveying component, and the movable conveying component are at the same height and have the same conveying direction. A first power component and a second power component are also fixedly installed on the fixed frame. The first power component is in transmission connection with the central conveying component, and the second power component is in transmission connection with the movable conveying component.

[0006] Further, the side conveying component is a roller conveyor belt, the central conveying component and the movable conveying component are belt conveyors. A guiding slide rail and a linear guiding rod are fixedly installed on the fixed frame. A sliding connection member and a linear guide sleeve are fixedly installed on the movable conveying component. The sliding connection member is slidably connected to the guiding slide rail, and the linear guide sleeve is sleeved on the linear guiding rod and is slidably connected to the linear guiding rod.

[0007] Further, the conveying structures of the central conveying component and the movable conveying component are the same, and both include a conveying frame body, end driving rollers, a driving roller group, a guiding roller group, and a conveyor belt body. One end driving roller is rotatably installed at each end of the conveying frame body. A driving roller group and a guiding roller group are also rotatably installed between the conveying frame bodies. The conveyor belt body is sleeved on the end driving rollers and the driving roller components, and the guiding roller group makes the conveyor belt body closely fit with the driving roller group.

[0008] Further, a support frame is fixedly installed between the main bodies of the conveying frames. A support plate is fixedly installed on the support frame. The support plate is arranged inside the inner ring of the conveyor belt, and the support plate is in fitting connection with the inner ring surface of the conveyor belt.

[0009] Further, the first power assembly includes a first motor, a first rotating seat, a first transmission rod, a transmission belt, and a rotating connector. The first motor is fixedly installed on the fixed frame. The output end of the first motor is drivingly connected to a first transmission rod. The other end of the first transmission rod is fixedly installed with a first rotating seat. The first rotating seat is fixedly installed on the fixed frame. A rotating connector is slidably sleeved on the first transmission rod. The rotating connector is fixedly installed on the central conveyor assembly and the movable conveyor assembly. A first transmission gear is also slidably sleeved on the first transmission rod. The first transmission gear is rotatably installed on the rotating connector through a bearing. A second transmission gear is installed on the central conveyor assembly and the movable conveyor assembly. The first transmission gear and the second transmission gear are drivingly connected through a transmission belt.

[0010] Further, the cross-section of the first transmission rod is an irregular circle, and the rotating connector is provided with a connection hole having the same shape as the cross-section of the first transmission rod.

[0011] Further, the second power assembly includes a second motor, a transmission threaded rod, and a transmission threaded sleeve. The second motor is fixedly installed on the fixed frame. The transmission threaded rod is rotatably installed on the fixed frame. The second motor is drivingly connected to one end of the transmission threaded rod. Threads are respectively provided at both ends of the transmission threaded rod, and the directions of the external threads are opposite. There are multiple transmission threaded sleeves, and the multiple transmission threaded sleeves are respectively fixedly installed on the two movable conveyor assemblies. The end of the transmission threaded rod away from the second motor is rotatably installed on the fixed frame through a rotating seat. Threaded holes matching the external threads are provided on the transmission threaded sleeves, and the transmission threaded sleeves are drivingly connected to the transmission threaded rod through the threaded holes.

[0012] Further, the center of the transmission threaded rod is in a disconnected state, that is, the transmission threaded rod is composed of two parts. A transmission connection assembly is slidably sleeved on the outer ring surfaces of the adjacent ends of the two transmission threaded rods.

[0013] Further, the transmission connection assembly includes a reciprocating cylinder, a rotating connection seat, and a linkage connection sleeve. The reciprocating cylinder is fixedly installed on the central conveyor assembly. A rotating connection seat is fixedly connected to the cylinder head of the reciprocating cylinder. A linkage connection sleeve is rotatably connected to the rotating connection seat through a bearing. A sliding connection hole is provided on the linkage connection sleeve. An inlet is provided at one end of the sliding connection hole. The linkage connection sleeve is slidably sleeved on one end of one of the transmission threaded rods A through the sliding connection hole. The linkage connection sleeve is movably sleeved on the other transmission threaded rod B through the inlet, realizing the transmission connection between the two transmission threaded rods.

[0014] Furthermore, the outer ring surface of the connection end of the driving threaded rod A and the linkage connecting sleeve is non-regular circular. The sliding connection hole has the same shape as the outer ring surface of the driving threaded rod A. When the reciprocating cylinder drives the linkage connecting sleeve to move, the sliding connection hole of the linkage connecting sleeve will not break away from the driving threaded rod A. A guiding groove is provided at the connection end of the driving threaded rod B and the linkage connecting sleeve, and a guiding block is fixedly provided on the inner wall of the guiding inlet.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: By adjusting the distance between the movable conveying component and the central conveying component, the present invention realizes the adjustment of the center of gravity of the material above it, which is convenient for the insertion of the forklift. Moreover, through the adjustable movable conveying component, it is convenient for the insertion of the forklift forks and the adjustable distance between the forklift forks can match products of different models and sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional view of the present invention; Figure 2 is a three-dimensional schematic diagram of another angle of the present invention; Figure 3 is a three-dimensional schematic diagram of a partial structure of the movable conveying component of the present invention; Figure 4 is a three-dimensional schematic diagram of a partial structure of the first power component of the present invention; Figure 5 is a three-dimensional schematic diagram of a partial structure of the second power component of the present invention; Figure 6 is a three-dimensional schematic diagram of the transmission connection component of the present invention; Figure 7 is a sectional schematic diagram of the transmission connection component of the present invention.

[0017] Reference numerals: 1. fixed frame; 2. side conveying component; 3. central conveying component; 4. movable conveying component; 5. first power component; 6. second power component; 7. guiding slide rail; 8. linear guiding rod; 9. sliding connection member; 10. linear guiding sleeve; 11. conveying frame body; 12. end driving roller; 13. driving roller group; 14. guiding roller group; 15. conveyor belt body; 16. support frame; 17. support plate; 18. first motor; 20. first transmission rod; 21. transmission belt; 22. rotating connection member; 23. first transmission gear; 25. second motor; 26. driving threaded rod; 27. transmission threaded sleeve; 28. reciprocating cylinder; 29. rotating connection seat; 30. linkage connecting sleeve; 31. sliding connection hole; 32. guiding inlet; 33. guiding groove; 34. guiding block; 35. transmission connection component. DETAILED DESCRIPTION OF THE INVENTION

[0018] The following will elaborate on the preferred embodiments of the present invention in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making the protection scope of the present invention more clearly defined.

[0019] See Figure 1-2 As shown, a conveying device for a forklift includes a fixed frame 1, side conveying components 2, a central conveying component 3, and a movable conveying component 4. The side conveying components 2 are fixedly installed on both sides of the fixed frame 1, the central conveying component 3 is fixedly installed at the center of the fixed frame 1, and the movable conveying component 4 is movably installed between the central conveying component 3 and the side conveying components 2. The upper end surfaces of the side conveying components 2, the central conveying component 3, and the movable conveying component 4 are at the same height and have the same conveying direction. A first power component 5 and a second power component 6 are also fixedly installed on the fixed frame 1. The first power component 5 is in transmission connection with the central conveying component 3, and the transmission power of the central conveying component 3 and the movable conveying component 4 is realized through the first power component 5. The second power component 6 is in transmission connection with the movable conveying component 4, and the second power component 6 provides power for adjusting the distance between the movable conveying component 4 and the central conveying component 3.

[0020] The side conveying component 2 is a roller conveyor belt, and the central conveying component 3 and the movable conveying component 4 are belt conveyor belts. A guiding slide rail 7 and a linear guiding rod 8 are fixedly installed on the fixed frame 1. A sliding connecting member 9 and a linear guiding sleeve 10 are fixedly installed on the movable conveying component 4. The sliding connecting member 9 is slidably connected to the guiding slide rail 7, and the linear guiding sleeve 10 is sleeved on the linear guiding rod 8 and is slidably connected to the linear guiding rod 8.

[0021] See Figure 3 As shown, the conveying structures of the central conveying component 3 and the movable conveying component 4 are the same, and both include a conveying frame body 11, end transmission rollers 12, a transmission roller group 13, a guiding roller group 14, and a conveyor belt body 15. One end transmission roller 12 is rotatably installed at each end of the conveying frame body 11. A transmission roller group 13 and a guiding roller group 14 are also rotatably installed between the conveying frame bodies 11. The conveyor belt body is sleeved between the end transmission rollers 12 and the transmission roller group 13, and the guiding roller group 14 makes the conveyor belt body 15 closely fit with the transmission roller group 13.

[0022] A support frame 16 is also fixedly installed between the conveying frame bodies 11. A support plate 17 is fixedly installed on the support frame 16. The support plate 17 is arranged inside the inner ring of the conveyor belt body 15 and is in fitting connection with the inner ring surface of the conveyor belt body 15.

[0023] See Figure 4As shown, the first power assembly includes a first motor 18, a first rotating seat, a first transmission rod 20, a transmission belt 21, and a rotating connector 22. The first motor 18 is fixedly installed on the fixed frame 1. The output end of the first motor 18 is drivingly connected to the first transmission rod 20. The other end of the first transmission rod 20 is fixedly installed with a first rotating seat, and the first rotating seat is fixedly installed on the fixed frame 1. A rotating connector 22 is slidably sleeved on the first transmission rod 20. The rotating connector 22 is fixedly installed on the central transmission assembly 3 and the movable transmission assembly 4. The rotating connector 22 can translate the movable transmission assembly 4 on the premise of not affecting the power transmission of the conveyor belt. A first transmission gear 23 is also slidably sleeved on the first transmission rod 20. The first transmission gear 23 is rotatably installed on the rotating connector 22 through a bearing. A second transmission gear is installed on the central transmission assembly 3 and the movable transmission assembly 4. The first transmission gear 23 and the second transmission gear are drivingly connected through the transmission belt 21.

[0024] The cross-section of the first transmission rod 20 is an irregular circle, and the rotating connector 22 is provided with a connection hole having the same shape as the cross-section of the first transmission rod 20.

[0025] See Figure 5 As shown, the second power assembly 6 includes a second motor 25, a transmission screw rod 26, and a transmission screw sleeve 27. The second motor 25 is fixedly installed on the fixed frame 1. The transmission screw rod 26 is rotatably installed on the fixed frame 1. The second motor 25 is drivingly connected to one end of the transmission screw rod 26. External threads are respectively provided at both ends of the transmission screw rod 26, and the directions of the external threads are opposite. There are multiple transmission screw sleeves 27, and the multiple transmission screw sleeves 27 are respectively fixedly installed on the two movable transmission assemblies 4. The end of the transmission screw rod 26 away from the second motor 25 is rotatably installed on the fixed frame 1 through a rotating seat. Thread holes matching the external threads are provided on the transmission screw sleeve 27, and the transmission screw sleeve 27 is drivingly connected to the transmission screw rod 26 through the thread holes.

[0026] The center of the transmission screw rod 26 is in a disconnected state, that is, the transmission screw rod 26 is two. A transmission connection assembly 35 is slidably sleeved on the outer ring surfaces of the adjacent ends of the two transmission screw rods 26.

[0027] See Figure 6-7As shown in the figure, the transmission connection assembly 35 includes a reciprocating cylinder 28, a rotary connection seat 29 and a linkage connection sleeve 30. The reciprocating cylinder 28 is fixedly installed on the central transmission assembly 3. A rotary connection seat 29 is fixedly connected to the cylinder head of the reciprocating cylinder 28. A linkage connection sleeve 30 is rotatably connected to the rotary connection seat 29 through a bearing. A sliding connection hole 31 is formed in the linkage connection sleeve 30. An inlet 32 is formed at one end of the sliding connection hole 31. The linkage connection sleeve 30 is slidably sleeved on one end of one of the transmission threaded rods A through the sliding connection hole 31. The linkage connection sleeve 30 is movably sleeved on the other transmission threaded rod B through the inlet 32, so as to realize the transmission connection of the two transmission threaded rods 26.

[0028] The outer ring surface of the connection end of the transmission threaded rod A and the linkage connection sleeve 30 is an irregular circle. The shape of the sliding connection hole 31 is the same as that of the outer ring surface of the transmission threaded rod A. When the reciprocating cylinder 28 drives the linkage connection sleeve 30 to move, the sliding connection hole 31 of the linkage connection sleeve 30 will not break away from the transmission threaded rod A. A guiding groove 33 is formed at the connection end of the transmission threaded rod B and the linkage connection sleeve 30. A guiding block 34 is fixedly arranged on the inner wall of the inlet 32.

[0029] By driving the linkage connection sleeve 30 to reciprocate through the reciprocating cylinder 28, the transmission threaded rod A and the transmission threaded rod B can be simultaneously linked, or only the transmission threaded rod 26 connected to the second motor 25 can be operated.

[0030] The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment. Any equivalent modification or change made by those of ordinary skill in the art according to the disclosure of the present invention shall be included in the protection scope recorded in the claims.

Claims

1. A conveying device for a forklift, comprising a fixed frame (1), side conveying components (2), a central conveying component (3) and a movable conveying component (4). The side conveying components (2) are fixedly installed on both sides of the fixed frame (1). The central conveying component (3) is fixedly installed at the center of the fixed frame (1). The movable conveying component (4) is movably installed between the central conveying component (3) and the side conveying components (2). The upper end surfaces of the side conveying components (2), the central conveying component (3) and the movable conveying component (4) are at the same height and have the same conveying direction. A first power component (5) and a second power component (6) are also fixedly installed on the fixed frame (1). The first power component (5) is in transmission connection with the central conveying component (3), and the second power component (6) is in transmission connection with the movable conveying component (4).

2. The conveyor device for a forklift according to claim 1, characterized in that: The side conveying component (2) is a roller conveyor belt. The central conveying component (3) and the movable conveying component (4) are belt conveyors. A guiding slide rail (7) and a linear guiding rod (8) are fixedly installed on the fixed frame (1). A sliding connecting part (9) and a linear guiding sleeve (10) are fixedly installed on the movable conveying component (4). The sliding connecting part (9) is slidably connected with the guiding slide rail (7), and the linear guiding sleeve (10) is sleeved on the linear guiding rod (8) and is slidably connected with the linear guiding rod (8).

3. The conveyor device for a forklift according to claim 1, characterized in that: The conveying structures of the central conveying component (3) and the movable conveying component (4) are the same, and both include a conveying frame body (11), end driving rollers (12), a driving roller group (13), a guiding roller group (14) and a conveyor belt body (15). One end driving roller (12) is rotatably installed at each end of the conveying frame body (11). A driving roller group (13) and a guiding roller group (14) are also rotatably installed between the conveying frame bodies (11). The conveyor belt body is sleeved on the end driving rollers (12) and the driving roller group (13). The guiding roller group (14) makes the conveyor belt body (15) closely fit with the driving roller group (13).

4. A conveyor device for a forklift according to claim 3, characterized in that: A support frame (16) is also fixedly installed between the conveying frame bodies (11). A support plate (17) is fixedly installed on the support frame (16). The support plate (17) is arranged inside the inner ring of the conveyor belt body (15) and is in fitting connection with the inner ring surface of the conveyor belt body (15).

5. A conveying device for a forklift according to claim 1, characterized in that: The first power assembly includes a first motor (18), a first rotating seat, a first transmission rod (20), a transmission belt (21) and a rotating connector (22). The first motor (18) is fixedly installed on the fixed frame (1). The output end of the first motor (18) is drivingly connected to a first transmission rod (20). The other end of the first transmission rod (20) is fixedly installed with a first rotating seat. The first rotating seat is fixedly installed on the fixed frame (1). A rotating connector (22) is slidably sleeved on the first transmission rod (20). The rotating connector (22) is fixedly installed on the central transmission assembly (3) and the movable transmission assembly (4). A first transmission gear (23) is also slidably sleeved on the first transmission rod (20). The first transmission gear (23) is rotatably installed on the rotating connector (22) through a bearing. A second transmission gear is installed on the central transmission assembly (3) and the movable transmission assembly (4). The first transmission gear (23) and the second transmission gear are drivingly connected through a transmission belt (21).

6. The conveying device for a forklift according to claim 5, characterized in that: The cross-section of the first transmission rod (20) is an irregular circle. A connection hole having the same shape as the cross-section of the first transmission rod (20) is formed on the rotating connector (22).

7. A conveyor device for a forklift according to claim 1, characterized in that: The second power assembly (6) includes a second motor (25), a transmission threaded rod (26) and a transmission threaded sleeve (27). The second motor (25) is fixedly installed on the fixed frame (1). The transmission threaded rod (26) is rotatably installed on the fixed frame (1). The second motor (25) is drivingly connected to one end of the transmission threaded rod (26). External threads are respectively provided at both ends of the transmission threaded rod (26), and the directions of the external threads are opposite. There are multiple transmission threaded sleeves (27). The multiple transmission threaded sleeves (27) are respectively fixedly installed on two movable transmission assemblies (4). The end of the transmission threaded rod (26) away from the second motor (25) is rotatably installed on the fixed frame (1) through a rotating seat. Threaded holes matching the external threads are formed on the transmission threaded sleeves (27). The transmission threaded sleeves (27) are drivingly connected to the transmission threaded rod (26) through the threaded holes.

8. The conveying device for a forklift according to claim 7, characterized in that: The center of the transmission threaded rod (26) is in a disconnected state, that is, the transmission threaded rod (26) is two. A transmission connection assembly (35) is slidably sleeved on the outer ring surfaces of the adjacent ends of the two transmission threaded rods (26).

9. The conveying device for a forklift according to claim 8, characterized in that: The transmission connection assembly (35) includes a reciprocating cylinder (28), a rotary connection seat (29) and a linkage connection sleeve (30). The reciprocating cylinder (28) is fixedly installed on the central transmission assembly (3). A rotary connection seat (29) is fixedly connected to the cylinder head of the reciprocating cylinder (28). A linkage connection sleeve (30) is rotatably connected to the rotary connection seat (29) through a bearing. A sliding connection hole (31) is formed in the linkage connection sleeve (30). One end of the sliding connection hole (31) is provided with a guiding inlet (32). The linkage connection sleeve (30) is slidably sleeved with one end of one of the transmission threaded rods A through the sliding connection hole (31). The linkage connection sleeve (30) is movably sleeved with the other transmission threaded rod B through the guiding inlet (32), so as to realize the transmission connection of the two transmission threaded rods (26).

10. The conveyor device for a forklift according to claim 9, characterized in that: The outer ring surface of the connection end of the transmission threaded rod A and the linkage connection sleeve (30) is an irregular circle. The shape of the sliding connection hole (31) is the same as that of the outer ring surface of the transmission threaded rod A. When the reciprocating cylinder (28) drives the linkage connection sleeve (30) to move, the sliding connection hole (31) of the linkage connection sleeve (30) will not break away from the transmission threaded rod A. A guiding groove (33) is formed at the connection end of the transmission threaded rod B and the linkage connection sleeve (30). A guiding block (34) is fixedly arranged on the inner wall of the guiding inlet (32).

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