Height adjusting mechanism of material lifting machine

Abstract

The utility model provides a material lifting machine height adjusting mechanism which relates to the technical field of feeding mechanisms and comprises a bottom plate, idler wheels are installed at the bottom end of the bottom plate, a hinge seat is installed on one side of the top end of the bottom plate, and a material lifting machine body is installed on the hinge seat and the top end of an installation cavity in a hinged mode. A feeding port is formed in one side of the upper portion of the material lifting machine body, a discharging port is formed in the other side of the lower portion of the material lifting machine body, and fixing mechanisms are arranged at the four corners of the bottom plate. According to the material lifting machine, the adjusting mechanism is arranged in the mounting cavity, and the height of the material lifting machine body can be adjusted through mutual cooperation of a fixed rod, a movable sleeve, a first servo motor, a rotating sleeve, a rotating block, a movable rod, a limiting groove and a limiting block of the adjusting mechanism, so that the height of the material lifting machine body can be adjusted according to site conditions when the operation process of the material lifting machine body is changed; and the lifting machine is convenient for workers to use, and the working efficiency of the workers is improved, so that the practicability of the lifting machine during use is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding mechanisms, in particular to a height adjustment mechanism for a material lifter. Background Art

[0002] With the development of economy and the continuous improvement of science and technology, my country's manufacturing industry has developed very rapidly. In the production process, in order to make the raw materials more convenient to load, it is necessary to use a lifting machine for loading;

[0003] For example, announcement number CN213440505U discloses "an automatic material lifting machine" and specifically discloses: the lower end of the suction pipe is detachably connected to a bearing, a second transverse axis is arranged in the bearing, a first transverse axis is installed on the second transverse axis, an auger blade is sleeved on the first transverse axis, the upper end of the suction pipe is detachably connected to a bearing frame, the first transverse axis is rotatably sleeved on the bearing frame, a plurality of suction ports are equidistantly arranged around the lower end of the suction pipe, a discharge pipe is penetrated on one side of the upper end of the suction pipe, the suction pipe and the discharge pipe are made of polytetrafluoroethylene, the discharge pipe corresponds to the auger blade, and the lower end of the bearing is detachably connected to a bearing cover. However, in the above technology, since it is inconvenient to adjust the height of the material lifting machine, when changing the operation process, the height cannot be adjusted according to the on-site conditions, which is inconvenient for workers to use, reduces the work efficiency of workers, and thus reduces the practicality of the material lifting machine. Therefore, the utility model proposes a height adjustment mechanism for a material lifting machine to solve the above problems. Utility Model Content

[0004] In view of the above problems, the utility model proposes a height adjustment mechanism for a lifting machine, which solves the problem in the above technology that it is inconvenient to adjust the height of the lifting machine, and when changing the operation process, the height cannot be adjusted according to the on-site conditions, which is inconvenient for workers to use, reduces the workers' work efficiency, and thus reduces the practicality of the lifting machine.

[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a height adjustment mechanism of a lifting machine, including a bottom plate, a roller is installed at the bottom end of the bottom plate, a hinge seat is installed on one side of the top of the bottom plate, a mounting cavity is installed on the other side of the top of the bottom plate, an adjustment component is arranged inside the mounting cavity, a lifting machine body is hingedly installed on the hinge seat and the top of the mounting cavity, a feeding port is installed on one side above the lifting machine body, a discharging port is installed on the other side below the lifting machine body, and fixing mechanisms are arranged at the four corners of the bottom plate;

[0006] The adjustment mechanism includes a first servo motor, a rotating sleeve, a rotating block, a movable rod and a matching component. The first servo motor is installed at the bottom end of the installation cavity. The output end of the first servo motor is installed with a rotating sleeve. A rotating block is arranged inside the rotating sleeve. The inner wall of the rotating sleeve is installed with an internal thread. The outer wall of the rotating block is provided with an external thread. A threaded connection is formed between the rotating sleeve and the rotating block. A movable rod is installed at the top of the rotating block. The top of the movable rod extends to the outside of the installation cavity.

[0007] A further improvement is that: limiting grooves are provided on both sides of the movable rod, limiting blocks are arranged inside the limiting grooves, and the limiting blocks are installed above the two sides inside the installation cavity.

[0008] A further improvement is that the matching component includes a fixed rod and a movable sleeve, the fixed rod is installed below the lifting machine body, the outer side wall of the fixed rod is provided with a movable sleeve, and the bottom end of the movable sleeve is hinged to the top end of the movable rod.

[0009] A further improvement is that the cross section of the fixed rod is smaller than the cross section of the movable sleeve, and a sliding structure is formed between the fixed rod and the movable sleeve.

[0010] Further improvements are: the fixing mechanism includes a fixing cavity, a cavity, a threaded sleeve, a threaded rod, a fixing plate, transmission teeth, a transmission gear, a second servo motor and a guide structure, the fixing cavity is installed at the four corners of the top of the base plate, the top of the fixing cavity is installed with a cavity, the interior of the fixing cavity is rotatably installed with a threaded sleeve, the interior of the threaded sleeve is penetrated by a threaded rod, the bottom end of the threaded rod extends to the bottom of the base plate, the bottom end of the threaded rod is installed with a fixing plate, the outer side wall of the threaded sleeve is installed with transmission teeth, the transmission gear is installed on one side of the inside of the fixing cavity, the transmission teeth and the transmission gear are meshed with each other, the top of the fixing cavity is installed with a second servo motor, and the output end of the second servo motor is connected to one end of the transmission gear.

[0011] A further improvement is that the guide structure includes a limiting rod and a limiting sleeve, the limiting rod is installed on both sides of the cavity, the outer side wall of the limiting rod is provided with a limiting sleeve, and one side of the limiting sleeve is connected to one side of the threaded rod.

[0012] The beneficial effects of the utility model are as follows: by arranging an adjustment mechanism inside the installation cavity, the height of the lifting machine body can be adjusted by utilizing the mutual cooperation between the fixed rod, the movable sleeve, the first servo motor, the rotating sleeve, the rotating block, the movable rod, the limit groove and the limit block of the adjustment mechanism, so that the height of the lifting machine body can be adjusted according to the on-site conditions when the operation process is changed, which is convenient for workers to use and improves the work efficiency of workers, thereby greatly improving the practicality of the lifting machine when in use; by arranging a fixing mechanism at the four corners of the bottom plate, the fixing cavity, the cavity body, the threaded sleeve, the threaded rod, the fixing plate, the transmission teeth, the transmission gear, the second servo motor, the limit rod and the limit sleeve of the fixing mechanism can be used to fix the lifting machine body when the operation process is changed, so that the lifting machine body is more stable and not easy to slide when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the front cross-sectional structure of the fixing mechanism of the utility model;

[0016] Figure 4 For the utility model Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0017] Wherein: 1. bottom plate; 2. roller; 3. hinged seat; 4. lifting machine body; 5. feed port; 6. discharge port; 7. fixed rod; 8. movable sleeve; 9. installation cavity; 10. first servo motor; 11. rotating sleeve; 12. rotating block; 13. movable rod; 14. limiting groove; 15. limiting block; 16. fixed cavity; 17. cavity; 18. threaded sleeve; 19. threaded rod; 20. fixed plate; 21. transmission teeth; 22. transmission gear; 23. second servo motor; 24. limiting rod; 25. limiting sleeve. DETAILED DESCRIPTION

[0018] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0019] according to Figure 1 , 2As shown in Figures 3 and 4, this embodiment proposes a height adjustment mechanism for a lifting machine, including a base plate 1, a roller 2 is installed at the bottom end of the base plate 1, a hinge seat 3 is installed on one side of the top of the base plate 1, a mounting cavity 9 is installed on the other side of the top of the base plate 1, an adjustment component is arranged inside the mounting cavity 9, a lifting machine body 4 is hingedly installed on the hinge seat 3 and the top of the mounting cavity 9, a feed port 5 is installed on one side above the lifting machine body 4, a discharge port 6 is installed on the other side below the lifting machine body 4, and fixing mechanisms are arranged at the four corners of the base plate 1.

[0020] The adjusting mechanism comprises a first servo motor 10, a rotating sleeve 11, a rotating block 12, a movable rod 13 and a matching component. The first servo motor 10 is installed at the bottom end of the installation cavity 9. The output end of the first servo motor 10 is installed with a rotating sleeve 11. The interior of the rotating sleeve 11 is provided with a rotating block 12. The inner wall of the rotating sleeve 11 is provided with an internal thread. The outer wall of the rotating block 12 is provided with an external thread. The rotating sleeve 11 and the rotating block 12 are threadedly connected. The top of the rotating block 12 is provided with a movable rod 13. The top of the movable rod 13 extends to the outside of the installation cavity 9. When in use, the first servo motor 10 is started to drive the rotating sleeve 11 to rotate. Due to the rotation of the rotating sleeve 11 and the rotating block 12, the rotating sleeve 11 and the rotating block 12 are connected. 2 are threadedly connected, so the rotating block 12 is driven to move, and then under the limit of the limit groove 14 and the limit block 15, the rotating block 12 is used to drive the movable rod 13 to move, and then under the cooperation of the fixed rod 7 and the movable sleeve 8, the movable rod 13 is used to drive the lifting machine body 4 to move, and then the height of the lifting machine body 4 is adjusted, and the lifting machine body 4 is adjusted to an appropriate position according to actual conditions. At this time, the lifting process can be carried out, and the height of the lifting machine body 4 can be adjusted, so that the lifting machine body 4 can adjust the height according to the on-site conditions when changing the operation process, which is convenient for workers to use and improves the workers' work efficiency, thereby greatly improving the practicability of the lifting machine when in use.

[0021] Limiting grooves 14 are provided on both sides of the movable rod 13, and limiting blocks 15 are arranged inside the limiting grooves 14. The limiting blocks 15 are installed above the two sides inside the installation cavity 9. When in use, the movable rod 13 can be limited when moving by utilizing the mutual cooperation between the limiting grooves 14 and the limiting blocks 15, so that the movable rod 13 is more stable when moving.

[0022] The mating component includes a fixed rod 7 and a movable sleeve 8. The fixed rod 7 is installed below the lifting machine body 4. The outer wall of the fixed rod 7 is provided with a movable sleeve 8. The bottom end of the movable sleeve 8 and the top end of the movable rod 13 are hinged to each other. The cross-section of the fixed rod 7 is smaller than the cross-section of the movable sleeve 8. A sliding structure is formed between the fixed rod 7 and the movable sleeve 8. When in use, the movable sleeve 8 slides on the outer wall of the fixed rod 7 and cooperates with the movable rod 13 to adjust the height of the lifting machine body 4.

[0023] The fixing mechanism includes a fixing cavity 16, a cavity 17, a threaded sleeve 18, a threaded rod 19, a fixing plate 20, a transmission tooth 21, a transmission gear 22, a second servo motor 23 and a guide structure. The fixing cavity 16 is installed at the four corners of the top of the base plate 1. The cavity 17 is installed at the top of the fixing cavity 16. The threaded sleeve 18 is rotatably installed inside the fixing cavity 16. The threaded rod 19 is penetrated inside the threaded sleeve 18. The bottom end of the threaded rod 19 extends to the bottom of the base plate 1. The fixing plate 20 is installed at the bottom end of the threaded rod 19. The outer wall of the threaded sleeve 18 is installed with a transmission tooth 21. The transmission gear 22 is installed on one side of the fixing cavity 16. The transmission tooth 21 and the transmission gear 22 are meshed with each other. A second servo motor 23 is installed at the top of the fixed cavity 16, and the output end of the second servo motor 23 is connected to one end of the transmission gear 22. When in use, the second servo motor 23 is started to drive the transmission gear 22 to rotate. Since the transmission gear 22 and the transmission teeth 21 are meshed with each other, the threaded sleeve 18 is driven to rotate. Since the threaded sleeve 18 and the threaded rod 19 are threadedly connected, the threaded sleeve 18 is used to drive the threaded rod 19 to move under the limitation of the limiting rod 24 and the limiting sleeve 25, and then the fixed plate 20 is driven to move downward, so that the fixed plate 20 contacts the ground. The device is fixed, and the lifting machine body 4 can be fixed when the operation process is changed, so that the lifting machine body 4 is more stable and not easy to slide during use.

[0024] The guide structure includes a limit rod 24 and a limit sleeve 25. The limit rod 24 is installed on both sides of the cavity 17. The outer wall of the limit rod 24 is provided with a limit sleeve 25. One side of the limit sleeve 25 is connected to one side of the threaded rod 19. When in use, the limit rod 24 and the limit sleeve 25 cooperate with each other to limit the threaded rod 19 when it moves, so that the threaded rod 19 is more stable when it moves.

[0025] Working principle: The staff first uses the roller 2 to move the lifting machine body 4 to the appropriate position, and then starts the second servo motor 23 to drive the transmission gear 22 to rotate. Since the transmission gear 22 and the transmission teeth 21 are meshed with each other, the threaded sleeve 18 is driven to rotate. Since the threaded sleeve 18 and the threaded rod 19 are threadedly connected, the threaded sleeve 18 is used to drive the threaded rod 19 to move under the limit of the limit rod 24 and the limit sleeve 25, and then the fixed plate 20 is driven to move downward, so that the fixed plate 20 contacts the ground, and the device is operated. Carry out the fixing process, then start the first servo motor 10 to drive the rotating sleeve 11 to rotate, because the rotating sleeve 11 is threadedly connected with the rotating block 12, the rotating block 12 is driven to move, and then under the limit of the limit groove 14 and the limit block 15, the rotating block 12 is used to drive the movable rod 13 to move, and then with the cooperation of the fixed rod 7 and the movable sleeve 8, the movable rod 13 is used to drive the lifting machine body 4 to move, and then the height of the lifting machine body 4 is adjusted, and the lifting machine body 4 is adjusted to an appropriate position according to actual conditions, and the lifting process can be carried out at this time.

[0026] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A material lifting machine height adjustment mechanism, comprising a bottom plate (1), characterized in that: A roller (2) is installed at the bottom end of the base plate (1), a hinge seat (3) is installed on one side of the top of the base plate (1), a mounting cavity (9) is installed on the other side of the top of the base plate (1), an adjusting component is arranged inside the mounting cavity (9), a lifting machine body (4) is hingedly installed between the hinge seat (3) and the top of the mounting cavity (9), a feed port (5) is installed on one side above the lifting machine body (4), a discharge port (6) is installed on the other side below the lifting machine body (4), and fixing mechanisms are arranged at the four corners of the base plate (1); The adjustment mechanism comprises a first servo motor (10), a rotating sleeve (11), a rotating block (12), a movable rod (13) and a matching component, wherein the first servo motor (10) is installed at the bottom end of the installation cavity (9), the output end of the first servo motor (10) is installed with a rotating sleeve (11), the interior of the rotating sleeve (11) is provided with a rotating block (12), the inner wall of the rotating sleeve (11) is provided with an internal thread, the outer wall of the rotating block (12) is provided with an external thread, a threaded connection is formed between the rotating sleeve (11) and the rotating block (12), the top end of the rotating block (12) is installed with a movable rod (13), and the top end of the movable rod (13) extends to the outside of the installation cavity (9).

2. A material lifting machine height adjustment mechanism according to claim 1, characterized in that: Limiting grooves (14) are provided on both sides of the movable rod (13), and limiting blocks (15) are arranged inside the limiting grooves (14). The limiting blocks (15) are installed above both sides of the inside of the installation cavity (9).

3. A material lifting machine height adjustment mechanism according to claim 2, characterized in that: The matching assembly includes a fixed rod (7) and a movable sleeve (8), wherein the fixed rod (7) is installed below the lifting machine body (4), and the outer wall of the fixed rod (7) is provided with a movable sleeve (8), and the bottom end of the movable sleeve (8) is hinged to the top end of the movable rod (13).

4. A material lifting machine height adjustment mechanism according to claim 3, characterized in that: The cross section of the fixed rod (7) is smaller than the cross section of the movable sleeve (8), and a sliding structure is formed between the fixed rod (7) and the movable sleeve (8).

5. The material lifting machine height adjustment mechanism according to claim 1, characterized in that: The fixing mechanism comprises a fixing cavity (16), a cavity (17), a threaded sleeve (18), a threaded rod (19), a fixing plate (20), transmission teeth (21), a transmission gear (22), a second servo motor (23) and a guide structure. The fixing cavity (16) is installed at four corners of the top of the base plate (1). The top of the fixing cavity (16) is provided with a cavity (17). The inside of the fixing cavity (16) is rotatably provided with a threaded sleeve (18). The inside of the threaded sleeve (18) is provided with a threaded rod (19) penetrating therethrough. The bottom end of the threaded rod (19) extends to below the bottom plate (1), a fixing plate (20) is installed at the bottom end of the threaded rod (19), a transmission tooth (21) is installed on the outer wall of the threaded sleeve (18), the transmission gear (22) is installed on one side inside the fixed cavity (16), the transmission tooth (21) and the transmission gear (22) are meshed with each other, a second servo motor (23) is installed at the top end of the fixed cavity (16), and the output end of the second servo motor (23) is connected to one end of the transmission gear (22).

6. A material lifting machine height adjustment mechanism according to claim 5, characterized in that: The guide structure comprises a limiting rod (24) and a limiting sleeve (25), wherein the limiting rod (24) is installed on both sides of the cavity (17), and the outer side wall of the limiting rod (24) is provided with a limiting sleeve (25), and one side of the limiting sleeve (25) is connected to one side of the threaded rod (19).

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