A dosing arm mechanism

Abstract

The utility model is specifically related to a kind of feeding arm mechanism, belong to cooking machine technical field.The feeding arm mechanism is used for cooking robot, and cooking robot includes workbench, and the feeding arm mechanism includes fixed base, transmission component and rotating arm.Fixed base is set to table top, and transmission component includes main shaft and driven shaft, and main shaft and driven shaft are rotatably connected to fixed base, and the rotation axis of main shaft and driven shaft is perpendicular, and main shaft is equipped with first bevel gear, and driven shaft is equipped with second bevel gear, and first bevel gear and second bevel gear are engaged.Rotating arm is connected to driven shaft, and it is used to move feeding box.The feeding arm mechanism has the advantages of high transmission accuracy, compact structure and stable operation.

Description

Technical Field

[0001] This utility model belongs to the technical field of cooking machines, specifically relating to a feeding arm mechanism. Background Technology

[0002] The cooking machine simulates the processes of stir-frying, heating, and seasoning in manual cooking, making the cooking process standardized and automated. It is particularly suitable for places that require large-scale cooking, such as restaurants or pre-prepared food companies.

[0003] The automatic feeding system is one of the key links in realizing fully automatic cooking. As the core component that performs the feeding action, the accuracy, stability and reliability of the feeding arm directly determine whether the ingredients can be put into the pot at the right time and in the right amount, thus affecting the final taste and cooking effect of the dish.

[0004] Commonly, the feeding arm is rotatably connected to the base of the cooking machine. During feeding, the feeding arm clamps or suctions the feeding box, then rotates to flip the box, completing the feeding process. The drawback of existing feeding arms is that their rotation drive mechanism often uses direct motor drive or a synchronous belt, worm gear, or similar structure. While direct motor drive ensures feeding accuracy, its structure requires the motor's rotation axis and the feeding arm's rotation axis to be coaxial, which restricts the motor's placement and, consequently, the layout flexibility of the motor and other components. As for synchronous belt or worm gear transmission structures, synchronous belts are prone to aging and loosening in high-temperature, oily environments, naturally reducing transmission accuracy. Worm gear structures have lower transmission efficiency and wear faster; in feeding operations requiring frequent starts and stops and rapid responses, their backlash and transmission delay affect control accuracy.

[0005] In summary, the technical problem that needs to be solved is how to provide a feeding arm with high transmission accuracy, compact structure, and stable operation. Utility Model Content

[0006] The purpose of this invention is to provide a feeding arm mechanism that has the advantages of high transmission accuracy, compact structure and stable operation.

[0007] To achieve the aforementioned objectives, the technical solution adopted by this utility model is as follows: This application provides a feeding arm mechanism for a cooking robot. The cooking robot includes a worktable, a fixed base, a transmission assembly, and a rotating arm. The fixed base is disposed on the worktable. The transmission assembly includes a main shaft and a driven shaft, which are rotatably connected to the fixed base. The rotation axes of the main shaft and the driven shaft are perpendicular. A first bevel gear is sleeved on the main shaft, and a second bevel gear is sleeved on the driven shaft. The first and second bevel gears mesh. The rotating arm is connected to the driven shaft and is used to move the feeding box.

[0008] In some embodiments, the rotating arm is provided with a magnetic attraction component.

[0009] In some embodiments, the magnetic assembly includes a mounting base and a magnetic suction part. The mounting base is connected to the rotating arm and has a positioning recess, into which the magnetic suction part is received.

[0010] In some embodiments, two positioning recesses are provided, and the opposite sides of the two positioning recesses are connected.

[0011] In some embodiments, the mounting base is provided with a first screw hole, and the rotating arm is provided with a first bolt, the first bolt being threaded into the first screw hole.

[0012] In some embodiments, the end face of the driven shaft is provided with a second threaded hole, and the rotating arm is provided with a second bolt, which is threadedly connected to the second threaded hole.

[0013] In some embodiments, the rotating arm is hollow inside, and an opening is provided on the side of the rotating arm facing the driven shaft.

[0014] In some embodiments, the driven shaft has a notch at its end, the transmission assembly further includes a limiting block with a limiting hole, the driven shaft end is inserted into the limiting hole, the rotating arm has a limiting cavity, and the limiting block is accommodated in the limiting cavity.

[0015] In some embodiments, the fixed base is hollow and includes a first housing and a second housing that are engaged. The transmission assembly also includes a bearing, and the driven shaft passes through the bearing. The first housing and the second housing are respectively provided with bearing half cavities. When the first housing and the second housing are configured such that the first housing and the second housing are engaged, the two bearing half cavities are engaged and the bearing is accommodated in the bearing half cavity.

[0016] In some embodiments, the peripheral wall of the driven shaft is provided with two retaining rings spaced apart, and the first housing and the second housing are respectively provided with locking parts. When the first housing and the second housing are configured such that the locking parts are disposed between the two retaining rings.

[0017] This utility model has the following beneficial effects:

[0018] 1. The transmission structure formed by the first and second bevel gears features high transmission efficiency, low wear, and minimal backlash, enabling rapid and precise start-stop and response. It adapts to the frequent and rapid feeding actions of the cooking machine, ensuring precise control of the feeding timing and angle. Furthermore, this transmission structure offers the advantage of stable and reliable operation.

[0019] 2. The rotation axes of the main spindle and the driven spindle are perpendicular. The axis of the main spindle can be perpendicular to the worktable surface, and the rotation axis of the driven spindle can be parallel to the worktable surface. This allows the drive structure of the main spindle to be set inside the shell of the cooking robot, improving the integration of the device. Furthermore, the setting position of the drive structure can be more flexible, not limited to the two sides of the driven shaft, saving more space and further improving the integration of the device, making the overall structure more compact.

[0020] 3. By placing the drive structure inside the shell of the cooking robot, the drive structure can be isolated from the external environment of high temperature, oil fumes and water vapor, which increases the service life and reliability of the drive structure. Attached Figure Description

[0021] Figure 1 This is a structural schematic diagram of the cooking robot of this utility model;

[0022] Figure 2 This is a schematic diagram of the feeding arm mechanism of this utility model;

[0023] Figure 3 This is a schematic diagram of the bottom structure of the feeding arm mechanism of this utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the magnetic suction assembly of this utility model (with one magnetic suction part removed);

[0025] Figure 5 This is a schematic diagram of the internal structure of the feeding arm mechanism of this utility model;

[0026] Figure 6 for Figure 5 Enlarged view of point A;

[0027] Figure 7 for Figure 5 Enlarged view of point B;

[0028] Figure 8 This is a schematic diagram showing the connection between the feeding arm mechanism and the motor of this utility model;

[0029] Figure 9 This is a schematic diagram of the structure of the rotating arm of this utility model;

[0030] Figure 10 This is a schematic diagram of the driven shaft of this utility model.

[0031] Icon labels:

[0032] 1-Cooking robot, 2-Workbench, 3-Feeding arm mechanism, 4-Feeding box, 5-First housing, 6-Second housing, 7-Fixed seat, 8-Rotating arm, 9-First bolt, 10-Second bolt, 11-Mounting seat, 12-Magnetic suction part, 13-Magnetic suction assembly, 14-Main shaft, 15-Positioning recess, 16-Driven shaft, 17-Limiting block, 18-First bevel gear, 19-Second bevel gear, 20-Retaining ring, 21-Clocking part, 22-Limiting cavity, 23-Positioning hole, 24-Bearing, 25-Bearing half cavity, 26-Motor, 27-Rib plate, 27-Notch part, 28-Second screw hole. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Unless otherwise specified, the technical means used in the embodiments are conventional means well known to those skilled in the art.

[0034] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] This application provides a feeding arm mechanism 3 for a cooking robot 1. The cooking robot 1 includes a worktable 2, a fixed base 7, a transmission assembly, and a rotating arm 8. The fixed base 7 is disposed on the worktable. The transmission assembly includes a main shaft 14 and a driven shaft 16, which are rotatably connected to the fixed base 7. The rotation axes of the main shaft 14 and the driven shaft 16 are perpendicular. A first bevel gear 18 is sleeved on the main shaft 14, and a second bevel gear 19 is sleeved on the driven shaft 16. The first bevel gear 18 and the second bevel gear 19 mesh. The rotating arm 8 is connected to the driven shaft 16 and is used to move the feeding box 4.

[0036] The work surface 2 is used to place the wok and the ingredient container 4, etc.

[0037] The connection method between the fixed base 7 and the worktable 2 can refer to the existing technology. For example, the fixed base 7 can be connected to the worktable 2 by bolts.

[0038] The work surface 2 can be the top surface of the outer shell of the cooking robot 1, that is, below the work surface 2 is the internal space of the outer shell of the cooking robot 1.

[0039] The specific structure of the main shaft 14 and the driven shaft 16 rotatably connected to the fixed base 7 can be referred to in the prior art.

[0040] The spindle 14 can be driven to rotate by a motor 26 or a drive structure combining a motor 26 and a transmission structure, and the specific choice can be made from existing technologies.

[0041] The rotation axes of the main shaft 14 and the driven shaft 16 are perpendicular. The axis of the main shaft 14 can be perpendicular to the worktable 2, and the rotation axis of the driven shaft 16 can be parallel to the worktable 2. This allows the drive structure of the main shaft 14 to be set inside the housing of the cooking robot 1, improving the integration of the device. Furthermore, the setting position of the drive structure can be more flexible, not limited to the two sides of the axis of the driven shaft 16, saving more space and further improving the integration of the device, making the overall structure more compact.

[0042] When the main shaft 14 rotates, the first bevel gear 18 rotates, and then the first bevel gear 18 drives the second bevel gear 19 to rotate, so that the driven shaft 16 can be driven to rotate through the main shaft 14. The transmission structure formed by the first bevel gear 18 and the second bevel gear 19 has the characteristics of high transmission efficiency, low wear and minimal backlash, which can achieve fast and precise start-stop and response. It can adapt to the frequent and fast feeding action of the cooking machine and ensure precise control of feeding timing and angle.

[0043] By placing the drive structure inside the shell of the cooking robot 1, the drive structure can be isolated from the external environment of high temperature, oil fumes and water vapor, which increases the service life and reliability of the drive structure.

[0044] In some embodiments, the rotating arm 8 is provided with a magnetic attraction component 13.

[0045] The magnetic suction component 13 is used to attract the feeding box 4. The worktable 2 may be provided with a movable structure for moving the designated feeding box 4 toward the magnetic suction component 13. The movable structure is known to those skilled in the art, and those skilled in the art can choose the appropriate type as needed, which will not be described in detail here.

[0046] The feeding box 4 may be provided with a magnetic part 12 that matches the magnetic component 13, and the magnetic component 13 may be attracted to the magnetic part 12.

[0047] The magnetic component 13 can be an electromagnetic device. When powered on, the magnetic component 13 can attract the magnetic part 12.

[0048] The advantages of using the magnetic component 13 to attract and move the feeding box 4 are as follows: Firstly, the structure is simple and reliable with minimal wear. Secondly, it allows for rapid attraction and release, improving efficiency. Furthermore, the attraction and release process is quiet. Finally, it reduces the accuracy requirements for alignment, eliminating the need for precise docking between the feeding box 4 and the magnetic component 13 to achieve the attraction process.

[0049] In some embodiments, the magnetic assembly 13 includes a mounting base 11 and a magnetic part 12. The mounting base 11 is connected to the rotating arm 8 and is provided with a positioning recess 15, in which the magnetic part 12 is accommodated.

[0050] The magnetic attraction part 12 can be an electromagnet. The specific structure and working principle of the electromagnet, as well as the power supply and other auxiliary components required for the operation of the electromagnet, are well known to those skilled in the art and will not be described in detail here.

[0051] The positioning recess 15 is used for mounting and positioning the magnetic part 12.

[0052] When the magnetic part 12 is accommodated in the positioning recess 15, the magnetic part 12 can be connected to the mounting base 11 by bolts.

[0053] In some embodiments, two positioning recesses 15 are provided, and the opposite sides of the two positioning recesses 15 are connected.

[0054] Two magnetic suction parts 12 are respectively accommodated in the two positioning recesses 15.

[0055] The two positioning recesses 15 are connected on opposite sides, which ensures that the two positioning recesses 15 can respectively play the role of installing and positioning the magnetic suction part 12, while allowing the cable connecting the two magnetic suction parts 12 to be set at the connection point.

[0056] In some embodiments, the mounting base 11 is provided with a first screw hole, and the rotating arm 8 is provided with a first bolt 9, which is threaded into the first screw hole.

[0057] Specifically, the rotating arm 8 may be provided with a through hole, through which the first bolt 9 passes and is threaded into the first screw hole. The head of the first bolt 9 is located on the side of the rotating arm 8 away from the mounting base 11 and abuts against the rotating arm 8, so that the rotating arm 8 can be connected to the mounting base 11. Connecting the mounting base 11 and the rotating arm 8 with the first bolt 9 improves the reliability of their connection.

[0058] To reduce the risk of relative rotation between the mounting base 11 and the rotating arm 8, the mounting base 11 may be provided with a positioning part, and correspondingly, the rotating arm 8 may be provided with a positioning hole 23. When the rotating arm 8 and the mounting base 11 are connected, the positioning part is inserted into the positioning hole 23.

[0059] In some embodiments, the end face of the driven shaft 16 is provided with a second screw hole 28, and the rotating arm 8 is provided with a second bolt 10, which is threadedly connected to the second screw hole 28.

[0060] Specifically, the rotating arm 8 may be provided with a through hole, through which the second bolt 10 passes and is threaded into the second screw hole 28. The head of the first bolt 9 is located on the side of the rotating arm 8 away from the driven shaft 16, abutting against the rotating arm 8, allowing the rotating arm 8 to be connected to the driven shaft 16. Connecting the driven shaft 16 and the rotating arm 8 with the second bolt 10 improves the reliability of their connection. Furthermore, the direct connection between the rotating arm 8 and the driven shaft 16 improves the accuracy of the driven shaft 16 driving the rotating arm 8 to move.

[0061] In some embodiments, the rotating arm 8 is hollow inside, and an opening is provided on the side of the rotating arm 8 facing the driven shaft 16.

[0062] The rotating arm 8 has an opening on the side facing the driven shaft 16, so that the side facing the driven shaft 16 of the rotating arm 8 is in an open state.

[0063] The rotating arm 8 may have ribs 27 inside. Some ribs 27 are used to strengthen the structural strength of the rotating arm 8, and some ribs 27 can be used to form a cavity structure of the rotating arm 8 for accommodating other components, such as the positioning hole 23 for accommodating the positioning part, or the limiting cavity 22 in the following embodiment. Some ribs 27 can also be used to form a channel structure. For example, two oppositely arranged ribs 27 can form a channel structure, so that the interior of the rotating arm 8 can be used to run cables. For example, the cable for supplying power to the magnetic suction part 12 can be arranged inside the rotating arm 8.

[0064] The hollow structure of the rotating arm 8 reduces its weight, allowing it to move quickly, and also allows for cable routing, improving the overall integration of the mechanism.

[0065] In some embodiments, the driven shaft 16 has a notch 27 at its end, and the transmission assembly further includes a limiting block 17 with a limiting hole. The end of the driven shaft 16 is inserted into the limiting hole, and the rotating arm 8 has a limiting cavity 22, in which the limiting block 17 is accommodated.

[0066] The notch 27 can be set one or more.

[0067] The notch 27 makes the end of the driven shaft 16 form a polygonal structure, and the limiting hole of the limiting block 17 is adapted to the end profile of the driven shaft 16, so that when the end of the driven shaft 16 is inserted into the limiting hole, it is difficult for relative rotation to occur between the driven shaft 16 and the limiting block 17.

[0068] The peripheral wall contour of the limiting block 17 can also be polygonal, so that when the limiting block 17 is accommodated in the limiting cavity 22, the limiting block 17 and the limiting cavity 22 are difficult to rotate relative to each other.

[0069] When the driven shaft 16 and the rotating arm 8 are connected by the second bolt 10, the distance between the driven shaft 16 and the rotating arm 8 is reduced, and the limiting block 17 is pushed into the limiting cavity 22. This prevents the driven shaft 16 and the rotating arm 8 from rotating relative to each other, thus improving the transmission efficiency.

[0070] In some embodiments, two rotating arms 8 are provided, and the two rotating arms 8 are respectively provided on both sides of the driven shaft 16.

[0071] Two rotating arms 8 are provided, which improves the stability of the movement of the magnetic suction component 13 on the one hand, and the fixed seat 7 is set between the two rotating arms 8. The two rotating arms 8 can work together to axially limit the driven shaft 16, thereby improving the matching accuracy between the driven shaft 16 and the fixed seat 7.

[0072] In some embodiments, the fixed base 7 is hollow and includes a first housing 5 and a second housing 6 that are engaged. The transmission assembly also includes a bearing 24. The driven shaft 16 passes through the bearing 24. The first housing 5 and the second housing 6 are respectively provided with bearing half cavities 25. When the first housing 5 and the second housing 6 are configured such that the two bearing half cavities 25 are engaged, the bearing 24 is accommodated in the bearing half cavity 25.

[0073] The first housing 5 and the second housing 6 may each be provided with a half-shaft hole. When the two are engaged, they form a shaft hole structure, so that the driven shaft 16 can extend out of the first housing 5 and the second housing 6 from the shaft hole.

[0074] The driven shaft 16 can be interference-fitted with the inner ring of the bearing 24, or the driven shaft 16 and the inner ring of the bearing 24 can be fitted by a key and a keyway to prevent relative rotation between them. The arrangement of the key and keyway can refer to the existing structure.

[0075] When the first housing 5 and the second housing 6 are engaged, they can be connected and limited by common structural methods such as bolts or clips.

[0076] The openings of the two bearing half-cavities 25 are arranged opposite each other. When the first housing 5 and the second housing 6 are engaged, the two bearing half-cavities 25 can form a cavity structure with an inner circumferential wall. The inner circumferential walls of the two bearing half-cavities 25 are tightly clamped to the outer ring of the bearing 24, so that the bearing 24 can be fixed.

[0077] When the driven shaft 16 rotates, the inner ring of the bearing 24 rotates together with the driven shaft 16, thereby reducing the rotational resistance of the driven shaft 16 through the bearing 24.

[0078] By using two bearing half-cavities 25 to fix the bearing 24, it has the advantage of easy disassembly and assembly. Furthermore, the two bearing half-cavities 25 fix the bearing 24 to the outer ring of the bearing 24 by clamping. Even if the bearing 24 is damaged, the inner and outer rings of the bearing 24 cannot rotate relative to each other. At this time, the outer ring can slide relative to the bearing half-cavities 25, so that the driven shaft 16 will not be completely jammed, thus protecting the driven shaft 16 and the fixed seat 7.

[0079] In some embodiments, the peripheral wall of the driven shaft 16 is provided with two retaining rings 20 spaced apart, and the first housing 5 and the second housing 6 are respectively provided with locking parts 21. When the first housing 5 and the second housing 6 are configured to mate, the locking parts 21 are disposed between the two retaining rings 20.

[0080] The retaining ring 20 can be integrally formed with the driven shaft 16, or it can be fixed to the driven shaft 16 by welding or bonding.

[0081] The locking part 21 and the retaining ring 20 cooperate to provide axial limiting for the driven shaft 16. When the first housing 5 and the second housing 6 are separated, the limiting effect of the locking part 21 on the driven shaft 16 disappears, making it easier to disassemble and assemble the driven shaft 16.

[0082] Furthermore, the retaining ring 20 can be used to position the second bevel gear 19.

[0083] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Any modifications, alterations, alterations, or substitutions made by those skilled in the art to the technical solutions of the present utility model without departing from the spirit of the present utility model shall fall within the protection scope defined by the claims of the present utility model.

Claims

1. A feeding arm mechanism for a cooking robot (1), the cooking robot (1) comprising a worktable (2), characterized in that, include: A fixed base (7) is provided on the platform; The transmission assembly includes a main shaft (14) and a driven shaft (16), the main shaft (14) and the driven shaft (16) being rotatably connected to the fixed base (7), the rotation axes of the main shaft (14) and the driven shaft (16) being perpendicular, the main shaft (14) being fitted with a first bevel gear (18), the driven shaft (16) being fitted with a second bevel gear (19), and the first bevel gear (18) and the second bevel gear (19) meshing. A rotating arm (8), connected to the driven shaft (16), is used to move the feeding box (4).

2. The feeding arm mechanism according to claim 1, characterized in that, The rotating arm (8) is equipped with a magnetic suction component (13).

3. The feeding arm mechanism according to claim 2, characterized in that, The magnetic attraction component (13) includes: Mounting base (11) is connected to the rotating arm (8), and the mounting base (11) is provided with a positioning recess (15); The magnetic suction part (12) is accommodated in the positioning recess (15).

4. The feeding arm mechanism according to claim 3, characterized in that, The positioning recess (15) is configured as two, and the opposite sides of the two positioning recesses (15) are connected.

5. The feeding arm mechanism according to claim 3, characterized in that, The mounting base (11) is provided with a first screw hole, and the rotating arm (8) is provided with a first bolt (9), which is threaded into the first screw hole.

6. The feeding arm mechanism according to claim 1, characterized in that, The driven shaft (16) has a second screw hole (28) on its end face, and the rotating arm (8) has a second bolt (10) which is threaded into the second screw hole (28).

7. The feeding arm mechanism according to claim 1, characterized in that, The rotating arm (8) is hollow inside, and an opening is provided on the side of the rotating arm (8) facing the driven shaft (16).

8. The feeding arm mechanism according to claim 1, characterized in that, The driven shaft (16) has a notch (27) at its end. The transmission assembly also includes a limiting block (17), which has a limiting hole. The end of the driven shaft (16) is inserted into the limiting hole. The rotating arm (8) has a limiting cavity (22), and the limiting block (17) is accommodated in the limiting cavity (22).

9. The feeding arm mechanism according to claim 1, characterized in that, The fixed base (7) is hollow and includes a first housing (5) and a second housing (6) that are engaged. The transmission assembly also includes a bearing (24). The driven shaft (16) passes through the bearing (24). The first housing (5) and the second housing (6) are respectively provided with bearing half cavities (25). The first housing (5) and the second housing (6) are configured such that when the first housing (5) and the second housing (6) are engaged, the two bearing half cavities (25) are engaged, and the bearing (24) is accommodated in the bearing half cavity (25).

10. The feeding arm mechanism according to claim 9, characterized in that, The driven shaft (16) has two retaining rings (20) spaced apart on its peripheral wall. The first housing (5) and the second housing (6) are respectively provided with locking parts (21). When the first housing (5) and the second housing (6) are configured to mate, the locking parts (21) are located between the two retaining rings (20).

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