Bean sprout growing machine combined device
By designing a bean sprout machine combination device that includes fixing, spraying, assembly and exhaust mechanisms, the time-consuming and labor-intensive assembly and harmful gas problems of existing bean sprout machine assembly are solved, and a more efficient and safe assembly process is achieved.
Patent Information
- Application Number
- CN202420480797.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-13
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-03-13
AI Technical Summary
The existing bean sprout machines need to manually assemble the insulation layer during the assembly process, which is time-consuming and labor-intensive. The harmful substances produced by volatile polyurethane have an impact on the health of staff and are poor in practicality.
A combination device of bean sprout machine is designed to fix the shell of the bean sprout machine through a fixing mechanism, spray polyurethane with a spraying mechanism, and automatically install the inner liner and the top cover, and purify the harmful gases volatile by the polyurethane through an exhaust mechanism.
It improves the efficiency and safety of bean sprout machine assembly, reduces the time and labor intensity of manual operation, and improves the working environment by purifying harmful gases.
Smart Images

Figure CN222840232U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bean sprout machine combinations, in particular to a bean sprout machine combination device. Background Art
[0002] A bean sprout machine is a device used to promote bean germination. Existing bean sprout machines, such as a fully automatic bean sprout cultivation machine for ships disclosed in the utility model patent with application number CN201420544732.2 and an intelligent constant temperature bean sprout machine disclosed in the utility model patent with application number CN202022484579.7, promote bean germination by keeping warm and moisturizing.
[0003] However, the double-layer insulation bean sprout machine needs to assemble the insulation layer during the production process. Generally, polyurethane is sprayed into the outer shell of the bean sprout machine manually, and then the inner tank is placed in the outer shell, and then the top cover is installed, which is time-consuming and labor-intensive. In addition, the harmful substances produced by the volatilization of polyurethane can easily affect the health of the workers, resulting in poor practicality. Therefore, a bean sprout machine assembly device is urgently needed to improve the above problems. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a bean sprout machine shell placed on a fixing mechanism, so that the fixing mechanism fixes the bean sprout machine shell, then polyurethane is sprayed into the bean sprout machine shell by a spraying mechanism, and then the bean sprout machine inner tank is placed in the shell by an assembling mechanism, and after the polyurethane foaming is stable, a top cover is installed on the top of the bean sprout machine shell and the bean sprout machine inner tank by the assembling mechanism to complete the assembly of the bean sprout machine, and in the assembly process, harmful gases volatilized by the polyurethane are purified by the exhaust mechanism, thereby improving the practicality of the equipment. A bean sprout machine combination device.
[0005] The utility model discloses a bean sprout machine assembly device, comprising a fixing mechanism, a spraying mechanism, an assembling mechanism and an exhaust mechanism, wherein the spraying mechanism, the assembling mechanism and the exhaust mechanism are all installed on the fixing mechanism;
[0006] The spraying mechanism includes a delivery pipe, a first rack, a second motor, a second gear and a spraying mechanism, the delivery pipe is slidably mounted on the top of the frame, the first rack is mounted on the side end of the delivery pipe, the second motor is fixedly mounted on the top of the frame, the second gear is mounted on the output shaft of the second motor, and the side end of the second gear is meshed and connected with the side end of the first rack, and the spraying mechanism is mounted on the bottom end of the delivery pipe;
[0007] By turning on the second motor, the second gear meshes with the first rack to drive the conveying pipe to slide upward or downward, and the height of the spraying mechanism is adjusted. At the same time, polyurethane is discharged into the conveying pipe, and the spraying mechanism sprays the polyurethane onto the inner wall of the bean sprout machine housing, thereby improving the practicality of the device;
[0008] The outer shell of the bean sprout machine is placed on the fixing mechanism, and the fixing mechanism fixes the outer shell of the bean sprout machine. Then, polyurethane is sprayed into the outer shell of the bean sprout machine through the spraying mechanism, and then the inner shell of the bean sprout machine is placed in the outer shell through the assembling mechanism. After the polyurethane foaming is stable, the top cover is installed on the top of the outer shell of the bean sprout machine and the inner shell of the bean sprout machine through the assembling mechanism to complete the assembly of the bean sprout machine. In the assembly process, the harmful gas volatilized by the polyurethane is purified through the exhaust mechanism, thereby improving the practicality of the equipment.
[0009] Preferably, the fixing mechanism comprises a base, a frame, a rotating shaft, a rotating table, multiple groups of first cylinders, multiple groups of first clamping plates, a gear ring, a first motor and a first gear. The bottom end of the frame is connected to the top end of the base, the bottom end of the rotating shaft is rotatably connected to the top end of the base, the bottom end of the rotating table is connected to the top end of the rotating shaft, the multiple groups of first cylinders are installed on the top end of the rotating table, the multiple groups of first clamping plates are respectively installed on the multiple groups of first cylinders, the gear ring is sleeved on the rotating shaft, the bottom end of the first motor is connected to the top end of the base, the bottom end of the first gear is connected to the output shaft of the first motor, and the side end of the first gear is meshed and connected with the side end of the gear ring; the bean sprout machine shell is placed on the top end of the rotating table, and the multiple groups of first cylinders are stretched to clamp the bean sprout machine shell, and then when the spraying mechanism sprays polyurethane into the bean sprout machine shell, the first motor is turned on, and the first gear is meshed and driven by the gear ring, so that the rotating table drives the bean sprout machine shell to rotate, which is convenient for the spraying mechanism to spray polyurethane evenly, thereby improving the practicality of the equipment.
[0010] Preferably, the spraying mechanism includes a spray pipe, multiple groups of first nozzles and multiple groups of second nozzles, the spray pipe is installed at the bottom end of the conveying pipe, the multiple groups of first nozzles are obliquely installed at the front end of the spray pipe, and the multiple groups of second nozzles are vertically installed at the bottom end of the spray pipe, and the multiple groups of first nozzles and the multiple groups of second nozzles are all provided with electric control valves; the spray pipe is extended into the interior of the bean sprout machine shell, so that the multiple groups of second nozzles spray polyurethane to the bottom of the bean sprout machine shell, and then the multiple groups of first nozzles are opened, and at the same time, the rotating table drives the bean sprout machine shell to rotate, so that the multiple groups of first nozzles evenly spray polyurethane onto the inner wall of the bean sprout machine shell, thereby improving the practicability of the equipment.
[0011] Preferably, the assembling mechanism comprises a support frame, a second rack, a third motor, a third gear, multiple sets of second cylinders, multiple sets of support seats, multiple sets of conveying wheels, multiple sets of third cylinders, lifting plates, multiple sets of electric screwdrivers, multiple sets of fourth cylinders and multiple sets of second clamping plates. The support frame is slidably mounted on the frame, and the middle part of the support frame and the left end of the support frame are both provided with reserved openings. The second rack is mounted on the top end of the support frame, the third motor is mounted on the frame, the third gear is mounted on the output shaft of the third motor, and the bottom end of the third gear is meshed and connected with the top end of the second rack. The cylinders are all installed on the left part of the support frame, the multiple groups of support seats are respectively installed on one end of the multiple groups of second cylinders, and the multiple groups of support seats are provided with driving motors, the multiple groups of conveying wheels are respectively rotatably installed on the multiple groups of support seats, and the driving motors on the multiple groups of support seats drive the multiple groups of conveying wheels respectively, the multiple groups of third cylinders are all installed on the right part of the support frame, the top of the lifting plate is connected to the bottom end of the multiple groups of third cylinders, the multiple groups of electric screwdrivers are all installed on the bottom end of the lifting plate, the multiple groups of fourth cylinders are all installed on the bottom end of the lifting plate, and the multiple groups of second clamping plates are respectively installed on one end of the multiple groups of fourth cylinders. ; Place the inner container of the bean sprout machine in the reserved opening on the left side of the support frame, extend multiple sets of second cylinders to clamp the inner container of the bean sprout machine, place the top cover of the bean sprout machine between multiple sets of second clamping plates, extend multiple sets of fourth cylinders to clamp the top cover of the bean sprout machine, place multiple sets of screws on multiple sets of electric screwdrivers, extend the spray pipe through the reserved opening in the middle of the support frame into the interior of the bean sprout machine shell, spray polyurethane, then reset the spray pipe, turn on the third motor, and drive the support frame to slide to the right through the meshing of the third gear and the second rack, and then open The driving motors on the multiple sets of support seats rotate the multiple sets of conveying wheels to deliver the bean sprout machine inner tank into the bean sprout machine inner tank, and then the third motor runs in the reverse direction to make the support frame slide to the left, and then the multiple sets of third cylinders are extended to put the bean sprout machine top cover on the top of the bean sprout machine shell and the bean sprout machine inner tank, and then the multiple sets of fourth cylinders are contracted to make the multiple sets of second clamps loosen the bean sprout machine top cover, and at the same time continue to extend through the multiple sets of third cylinders and run through the multiple sets of electric screwdrivers to make the multiple sets of screws install the bean sprout machine top cover on the top of the bean sprout machine top cover and the bean sprout machine inner tank, thereby improving the practicality of the equipment.
[0012] Preferably, the exhaust mechanism includes a filter box, multiple groups of activated carbon filter plates, an exhaust pump and an intake pipe. The filter box is installed at the top of the frame, the multiple groups of activated carbon filter plates are installed inside the filter box, the exhaust pump is installed at the top of the filter box, and the air intake of the exhaust pump is connected to the inside of the filter box, and the intake pipe is installed at the bottom of the filter box; turn on the exhaust pump to discharge the air in the filter box, and let the intake pipe discharge the air around the frame into the filter box, so that the multiple groups of activated carbon filter plates filter the air entering the filter box to remove harmful substances in the air, thereby improving the practicality of the equipment.
[0013] Preferably, the bottom ends of the multiple groups of electric screwdrivers are all made of magnetic material, which facilitates the electric screwdriver to absorb the screws to the bottom end of the electric screwdriver, thereby improving the practicability of the device.
[0014] Compared with the prior art, the utility model has the following beneficial effects: the outer shell of the bean sprout machine is placed on the fixing mechanism, and the fixing mechanism fixes the outer shell of the bean sprout machine, and then the polyurethane is sprayed into the outer shell of the bean sprout machine through the spraying mechanism, and then the inner shell of the bean sprout machine is placed in the outer shell through the assembling mechanism, and after the polyurethane foaming is stable, the top cover is installed on the top of the outer shell of the bean sprout machine and the inner shell of the bean sprout machine through the assembling mechanism to complete the assembly of the bean sprout machine, and in the assembly process, the harmful gas volatilized by the polyurethane is purified through the exhaust mechanism, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a first axonometric structural schematic diagram of the utility model;
[0016] Figure 2 It is a second axonometric structural schematic diagram of the utility model;
[0017] Figure 3 It is a front view structural schematic diagram of the utility model;
[0018] Figure 4 It is a front view cross-sectional structural schematic diagram of the utility model;
[0019] Figure 5 It is a right view structural schematic diagram of the utility model;
[0020] Figure 6 This utility model Figure 5 Schematic diagram of the enlarged structure of part A in FIG.
[0021] Markings in the attached drawings: 1. base; 2. frame; 3. rotating shaft; 4. rotating table; 5. first cylinder; 6. first clamping plate; 7. gear ring; 8. first motor; 9. first gear; 10. conveying pipe; 11. first rack; 12. second motor; 13. second gear; 14. spray pipe; 15. first nozzle; 16. second nozzle; 17. support frame; 18. second rack; 19. third motor; 20. third gear; 21. second cylinder; 22. support seat; 23. conveying wheel; 24. third cylinder; 25. lifting plate; 26. electric screw belt; 27. fourth cylinder; 28. second clamping plate; 29. filter box; 30. activated carbon filter plate; 31. exhaust pump; 32. suction pipe. DETAILED DESCRIPTION
[0022] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0023] like Figure 1-6 As shown, a bean sprout machine assembly device,
[0024] It includes a fixing mechanism; it also includes a spraying mechanism, an assembling mechanism and an exhaust mechanism, and the spraying mechanism, the assembling mechanism and the exhaust mechanism are all installed on the fixing mechanism;
[0025] The fixing mechanism fixes the bean sprout machine shell, the spraying mechanism sprays polyurethane, the assembling mechanism assembles the bean sprout machine inner container and the top cover, and the exhaust mechanism purifies the air;
[0026] The fixing mechanism includes a base 1, a frame 2, a rotating shaft 3, a rotating table 4, multiple groups of first cylinders 5, multiple groups of first clamping plates 6, a gear ring 7, a first motor 8 and a first gear 9. The bottom end of the frame 2 is connected to the top of the base 1, the bottom end of the rotating shaft 3 is rotatably connected to the top of the base 1, the bottom end of the rotating table 4 is connected to the top of the rotating shaft 3, the multiple groups of first cylinders 5 are all installed on the top of the rotating table 4, the multiple groups of first clamping plates 6 are respectively installed on the multiple groups of first cylinders 5, the gear ring 7 is sleeved on the rotating shaft 3, the bottom end of the first motor 8 is connected to the top of the base 1, the bottom end of the first gear 9 is connected to the output shaft of the first motor 8, and the side end of the first gear 9 is meshedly connected with the side end of the gear ring 7;
[0027] The spraying mechanism includes a delivery pipe 10, a first rack 11, a second motor 12, a second gear 13 and a spraying mechanism, the delivery pipe 10 is slidably mounted on the top of the frame 2, the first rack 11 is mounted on the side end of the delivery pipe 10, the second motor 12 is fixedly mounted on the top of the frame 2, the second gear 13 is mounted on the output shaft of the second motor 12, and the side end of the second gear 13 is meshed and connected with the side end of the first rack 11, and the spraying mechanism is mounted on the bottom end of the delivery pipe 10;
[0028] The spraying mechanism includes a spray pipe 14, a plurality of first spray heads 15 and a plurality of second spray heads 16. The spray pipe 14 is installed at the bottom end of the delivery pipe 10. The plurality of first spray heads 15 are all installed obliquely at the front end of the spray pipe 14. The plurality of second spray heads 16 are all installed vertically at the bottom end of the spray pipe 14. The plurality of first spray heads 15 and the plurality of second spray heads 16 are all provided with electric control valves.
[0029] The assembly mechanism includes a support frame 17, a second rack 18, a third motor 19, a third gear 20, multiple groups of second cylinders 21, multiple groups of support seats 22, multiple groups of conveying wheels 23, multiple groups of third cylinders 24, a lifting plate 25, multiple groups of electric screwdrivers 26, multiple groups of fourth cylinders 27 and multiple groups of second clamping plates 28. The support frame 17 is slidably mounted on the frame 2, and the middle part of the support frame 17 and the left end of the support frame 17 are both provided with reserved openings. The second rack 18 is mounted on the top of the support frame 17, the third motor 19 is mounted on the frame 2, the third gear 20 is mounted on the output shaft of the third motor 19, and the bottom end of the third gear 20 is meshed and connected with the top end of the second rack 18. The cylinders 21 are all installed on the left part of the support frame 17, the multiple groups of support seats 22 are respectively installed on one end of the multiple groups of second cylinders 21, and the multiple groups of support seats 22 are provided with driving motors, the multiple groups of conveying wheels 23 are respectively rotatably installed on the multiple groups of support seats 22, and the driving motors on the multiple groups of support seats 22 drive the multiple groups of conveying wheels 23 respectively, the multiple groups of third cylinders 24 are all installed on the right part of the support frame 17, the top of the lifting plate 25 is connected to the bottom end of the multiple groups of third cylinders 24, the multiple groups of electric screwdrivers 26 are all installed on the bottom end of the lifting plate 25, the multiple groups of fourth cylinders 27 are all installed on the bottom end of the lifting plate 25, and the multiple groups of second clamping plates 28 are respectively installed on one end of the multiple groups of fourth cylinders 27;
[0030] The exhaust mechanism includes a filter box 29, multiple groups of activated carbon filter plates 30, an exhaust pump 31 and an air intake pipe 32. The filter box 29 is installed at the top of the frame 2, and the multiple groups of activated carbon filter plates 30 are installed inside the filter box 29. The exhaust pump 31 is installed at the top of the filter box 29, and the air intake port of the exhaust pump 31 is connected to the inside of the filter box 29. The air intake pipe 32 is installed at the bottom of the filter box 29.
[0031] The bottom ends of the multiple sets of electric screwdrivers 26 are all made of magnetic material;
[0032] The bean sprout machine shell is placed on the top of the rotating table 4, and multiple groups of first cylinders 5 are extended to make multiple groups of first clamps 6 clamp the bean sprout machine shell, and the bean sprout machine inner tank is placed in the reserved opening on the left part of the support frame 17, and multiple groups of second cylinders 21 are extended to make multiple groups of conveying wheels 23 clamp the bean sprout machine inner tank, and the bean sprout machine top cover is placed between multiple groups of second clamps 28, and multiple groups of fourth cylinders 27 are extended to make multiple groups of second clamps 28 clamp the bean sprout machine top cover, and multiple groups of screws are placed on multiple groups of electric screwdrivers 26 respectively, and then the bean sprout machine shell is placed on the rotating table 4. The second motor 12 is turned on, and the second gear 13 is meshed with the first rack 11 to drive the conveying pipe 10 to slide upward or downward, and the spraying pipe 14 is extended into the interior of the bean sprout machine housing through the reserved opening in the middle of the support frame 17, so that the multiple groups of second nozzles 16 spray polyurethane to the bottom of the bean sprout machine housing, and then the multiple groups of first nozzles 15 are turned on, and the rotating table 4 drives the bean sprout machine housing to rotate, so that the multiple groups of first nozzles 15 evenly spray polyurethane onto the inner wall of the bean sprout machine housing, and the exhaust pump 31 is turned on to filter the filter box. The air in the frame 29 is discharged, so that the air intake pipe 32 discharges the air around the frame 2 into the filter box 29, so that the multiple groups of activated carbon filter plates 30 filter the air entering the filter box 29 to remove harmful substances in the air, and then the spray pipe 14 is reset, the third motor 19 is turned on, and the third gear 20 is meshed with the second rack 18 to drive the support frame 17 to slide to the right, and then the driving motors on the multiple groups of support seats 22 are turned on to rotate the multiple groups of conveying wheels 23 to deliver the bean sprout machine inner tank into the bean sprout machine inner tank In the process, the third motor 19 operates in the reverse direction to make the support frame 17 slide to the left, and then the multiple sets of third cylinders 24 are extended to put the top cover of the bean sprout machine on the top of the bean sprout machine shell and the inner tank of the bean sprout machine, and then the multiple sets of fourth cylinders 27 are contracted to make the multiple sets of second clamps 28 loosen the top cover of the bean sprout machine, and at the same time, the multiple sets of third cylinders 24 continue to extend and operate through the multiple sets of electric screwdrivers 26, so that the multiple sets of screws install the top cover of the bean sprout machine on the top of the bean sprout machine shell and the inner tank of the bean sprout machine, thereby improving the practicality of the equipment.
[0033] The first cylinder 5, the first motor 8, the second motor 12, the third motor 19, the second cylinder 21, the third cylinder 24, the electric screwdriver 26, the fourth cylinder 27 and the exhaust pump 31 of the bean sprout machine assembly device of the utility model are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.
[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A bean sprout machine assembly device, comprising a fixing mechanism; characterized in that: It also includes a spraying mechanism, an assembling mechanism and an exhaust mechanism, wherein the spraying mechanism, the assembling mechanism and the exhaust mechanism are all installed on the fixing mechanism; The spraying mechanism comprises a conveying pipe (10), a first rack (11), a second motor (12), a second gear (13) and a spraying mechanism, wherein the conveying pipe (10) is slidably mounted on the top end of a frame (2), the first rack (11) is mounted on the side end of the conveying pipe (10), the second motor (12) is fixedly mounted on the top end of the frame (2), the second gear (13) is mounted on the output shaft of the second motor (12), and the side end of the second gear (13) is meshedly connected with the side end of the first rack (11), and the spraying mechanism is mounted on the bottom end of the conveying pipe (10).
2. A bean sprout machine assembly device as claimed in claim 1, characterized in that: The fixing mechanism comprises a base (1), a frame (2), a rotating shaft (3), a rotating platform (4), a plurality of groups of first cylinders (5), a plurality of groups of first clamping plates (6), a gear ring (7), a first motor (8) and a first gear (9). The bottom end of the frame (2) is connected to the top end of the base (1), the bottom end of the rotating shaft (3) is rotatably connected to the top end of the base (1), the bottom end of the rotating platform (4) is connected to the top end of the rotating shaft (3), the plurality of groups of first cylinders (5) are all mounted on the top end of the rotating platform (4), the plurality of groups of first clamping plates (6) are respectively mounted on the plurality of groups of first cylinders (5), the gear ring (7) is sleeved on the rotating shaft (3), the bottom end of the first motor (8) is connected to the top end of the base (1), the bottom end of the first gear (9) is connected to the output shaft of the first motor (8), and the side end of the first gear (9) is meshingly connected to the side end of the gear ring (7).
3. A bean sprout machine assembly device as claimed in claim 2, characterized in that: The spraying mechanism comprises a spray pipe (14), a plurality of groups of first spray heads (15) and a plurality of groups of second spray heads (16); the spray pipe (14) is mounted at the bottom end of the delivery pipe (10); the plurality of groups of first spray heads (15) are all mounted obliquely at the front end of the spray pipe (14); the plurality of groups of second spray heads (16) are all mounted vertically at the bottom end of the spray pipe (14); and the plurality of groups of first spray heads (15) and the plurality of groups of second spray heads (16) are all provided with electric control valves.
4. A bean sprout machine assembly device as claimed in claim 3, characterized in that: The assembly mechanism comprises a support frame (17), a second rack (18), a third motor (19), a third gear (20), a plurality of second cylinders (21), a plurality of support seats (22), a plurality of conveying wheels (23), a plurality of third cylinders (24), a lifting plate (25), a plurality of electric screwdrivers (26), a plurality of fourth cylinders (27) and a plurality of second clamping plates (28); the support frame (17) is slidably mounted on the frame (2); a middle portion of the support frame (17) and a left end of the support frame (17) are both provided with reserved openings; the second rack (18) is mounted on the top end of the support frame (17); the third motor (19) is mounted on the frame (2); the third gear (20) is mounted on the output shaft of the third motor (19); and the bottom end of the third gear (20) is meshedly connected with the top end of the second rack (18). , multiple groups of second cylinders (21) are all installed on the left part of the support frame (17), multiple groups of support seats (22) are respectively installed on one end of the multiple groups of second cylinders (21), and the multiple groups of support seats (22) are all provided with driving motors, multiple groups of conveying wheels (23) are respectively rotatably installed on the multiple groups of support seats (22), and the driving motors on the multiple groups of support seats (22) respectively drive the multiple groups of conveying wheels (23), multiple groups of third cylinders (24) are all installed on the right part of the support frame (17), the top end of the lifting plate (25) is connected to the bottom end of the multiple groups of third cylinders (24), multiple groups of electric screwdrivers (26) are all installed on the bottom end of the lifting plate (25), multiple groups of fourth cylinders (27) are all installed on the bottom end of the lifting plate (25), and multiple groups of second clamping plates (28) are respectively installed on one end of the multiple groups of fourth cylinders (27).
5. A bean sprout machine assembly device as claimed in claim 4, characterized in that: The exhaust mechanism comprises a filter box (29), a plurality of groups of activated carbon filter plates (30), an exhaust pump (31) and an air intake pipe (32); the filter box (29) is mounted on the top of the frame (2); the plurality of groups of activated carbon filter plates (30) are mounted inside the filter box (29); the exhaust pump (31) is mounted on the top of the filter box (29); the air intake port of the exhaust pump (31) is communicated with the inside of the filter box (29); and the air intake pipe (32) is mounted on the bottom of the filter box (29).
6. A bean sprout machine assembly device as claimed in claim 4, characterized in that: The bottom ends of the multiple groups of electric screwdrivers (26) are all made of magnetic material.
Citation Information
Patent Citations
Marine fully automatic bean sprout culture machine
CN204070054U
Intelligent constant-temperature bean sprout growing machine
CN214316585U