Electric lock shaft mechanism

Abstract

An electric lock shaft mechanism comprises a driving assembly which comprises a lock shaft motor and a bidirectional lead screw, and the bidirectional lead screw is arranged on an output shaft of the lock shaft motor; the locking shaft assembly comprises a locking shaft ring and a clamping shaft arranged outside the rotating shaft in a sleeving mode, the locking shaft ring is arranged on the clamping shaft in a sleeving mode, and the locking shaft ring can lock the clamping shaft or be separated from the clamping shaft by driving the locking shaft motor. According to the electric lock shaft mechanism, the lock shaft ring can lock the clamping shaft or be separated from the clamping shaft only by driving the lock shaft motor to rotate, the rotating shaft can be conveniently mounted or taken out without manual operations such as mounting or dismounting screws, so that a pot liner is taken out for maintenance, the efficiency is improved, and the labor intensity is reduced. And meanwhile, manual participation is not needed, so that the use cost and the training cost of customers are reduced.

Description

Technical Field

[0001] The present application relates to cooking equipment, and in particular to an electric shaft locking mechanism. Background Art

[0002] With the continuous development of automated, intelligent, and information-based technologies, the automation of cooking equipment has gradually become a hot topic, with several cooking robots appearing on the market. The chemical coating on the inner pot of existing cooking robots has a lifespan of no more than 700 cycles, requiring re-coating after a certain period of use. This is particularly true for commercial cooking robots, which, if they cook 100 dishes a day, will need to disassemble the inner pot for maintenance every week. The inner pot is typically secured to rotating shafts, such as the pot and stirring shaft, using screws or threaded compression caps. This requires manual disassembly, which is time-consuming and labor-intensive. Similarly, the installation process requires manual intervention, and manual disassembly and installation increase user and training costs. Summary of the Invention

[0003] The technical problem to be solved by the present application is to provide an electric shaft locking mechanism in response to the deficiencies of the existing technology.

[0004] The technical problem to be solved by this application is solved by the following technical solutions:

[0005] An electric shaft locking mechanism, comprising:

[0006] A drive assembly includes a shaft-locking motor and a bidirectional lead screw, wherein the bidirectional lead screw is arranged on an output shaft of the shaft-locking motor and is mechanically connected to the shaft-locking motor;

[0007] The locking shaft assembly includes a locking shaft ring and a clamping shaft sleeved on the outside of the rotating shaft. The locking shaft ring is sleeved on the clamping shaft. Driving the locking shaft motor can lock the locking shaft ring or separate it from the clamping shaft.

[0008] The above-mentioned electric locking shaft mechanism, the bidirectional screw includes a first limiting portion, a second limiting portion, a first threaded portion and a second threaded portion, the first limiting portion and the second limiting portion are respectively arranged at positions close to the two ends of the bidirectional screw, the first limiting portion is connected to the first threaded portion, the second limiting portion is connected to the second threaded portion, the first threaded portion and the second threaded portion respectively extend to the middle part of the bidirectional screw, and the thread directions of the first threaded portion and the second threaded portion are opposite.

[0009] In the above-mentioned electric shaft locking mechanism, the bidirectional screw further includes a mounting portion arranged between the first threaded portion and the second threaded portion.

[0010] The above-mentioned electric shaft locking mechanism, the shaft locking ring includes a first connecting post, a second connecting post, and a first half connecting ring and a second half connecting ring symmetrically arranged, the two ends of the first half connecting ring are respectively provided with a first connecting portion and a second connecting portion, the first connecting portion is provided with a first connecting post guide hole that cooperates with the first connecting post, the second connecting portion is provided with a second connecting post guide hole that cooperates with the second connecting post and a first screw guide hole that cooperates with the bidirectional screw;

[0011] The two ends of the second half connecting ring are respectively provided with a third connecting part and a fourth connecting part, the third connecting part is provided with a third connecting column guide hole that cooperates with the first connecting column, and the fourth connecting part is provided with a fourth connecting column guide hole that cooperates with the second connecting column and a second screw guide hole that cooperates with the bidirectional screw.

[0012] The above-mentioned electric shaft locking mechanism, the second connecting portion includes a second upper connecting portion and a second lower connecting portion, and the second upper connecting portion and the second lower connecting portion divide the first screw guide hole into two parts;

[0013] The fourth connection portion includes a fourth upper connection portion and a fourth lower connection portion, and the fourth upper connection portion and the fourth lower connection portion divide the second screw guide hole into two parts.

[0014] The above-mentioned electric locking shaft mechanism has a first internal thread that cooperates with the first threaded portion in the first screw guide hole arranged on the second lower connecting part, and a second internal thread that cooperates with the second threaded portion in the second screw guide hole arranged on the fourth lower connecting part.

[0015] In the above-mentioned electric shaft locking mechanism, the inner wall of the first half connecting ring is provided with a first convex strip, the inner wall of the second half connecting ring is provided with a second convex strip, and the outside of the clamping shaft is provided with an annular groove respectively cooperating with the first convex strip and the second convex strip.

[0016] In the above-mentioned electric shaft locking mechanism, a retaining spring groove is provided in the clamping shaft.

[0017] The above-mentioned electric locking shaft mechanism has a limiting step provided inside the clamping shaft.

[0018] The above-mentioned electric shaft locking mechanism also includes a first screw fixing block, a second screw fixing block and a shaft locking motor fixing block. The first screw fixing block and the second screw fixing block are respectively arranged at the two ends of the bidirectional screw, and the shaft locking motor fixing block is arranged at the output end of the shaft locking motor.

[0019] Due to the adoption of the above technical solution, the beneficial effects of this application are:

[0020] The electric shaft locking mechanism provided in the embodiment of the present application includes: a driving assembly including a shaft locking motor and a bidirectional screw, wherein the bidirectional screw is arranged on the output shaft of the shaft locking motor; a shaft locking assembly including a shaft locking ring and a clamping shaft sleeved on the outside of the rotating shaft, wherein the shaft locking ring is sleeved on the clamping shaft, and driving the shaft locking motor can cause the shaft locking ring to lock the clamping shaft or separate from the clamping shaft. Since the electric shaft locking mechanism of the present application only needs to drive the shaft locking motor to rotate, the shaft locking ring can be locked or separated from the clamping shaft, and the rotating shaft can be easily installed or removed without manual operations such as installing or removing screws, thereby removing the pot core for maintenance, thereby improving efficiency. At the same time, since no manual participation is required, the customer's usage cost and training cost are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic structural diagram of an electric shaft locking mechanism provided in an embodiment of the present application;

[0022] Figure 2 A schematic structural diagram of a bidirectional lead screw according to an embodiment of the present application;

[0023] Figure 3 A schematic structural diagram of a bidirectional lead screw according to another embodiment of the present application;

[0024] Figure 4 A schematic structural diagram of a locking ring provided in an embodiment of the present application in one embodiment;

[0025] Figure 5 A schematic diagram of the components of a locking ring provided in an embodiment of the present application in one embodiment;

[0026] Figure 6 A schematic structural diagram of a clamping shaft provided in an embodiment of the present application in one embodiment;

[0027] Figure 7 A schematic structural diagram of another embodiment of the electric shaft locking mechanism provided in an embodiment of the present application. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below by means of specific embodiments in conjunction with the accompanying drawings. Similar elements in different embodiments are numbered with associated similar elements. In the following embodiments, many detailed descriptions are provided to enable the present application to be better understood. However, those skilled in the art will readily appreciate that some of the features may be omitted in different circumstances, or may be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification. This is to avoid the core portion of the present application being overwhelmed by excessive descriptions, and for those skilled in the art, it is not necessary to describe these related operations in detail. They will fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0029] In addition, the features, operations, or characteristics described in the specification may be combined in any appropriate manner to form various embodiments. Furthermore, the steps or actions in the method description may be reordered or adjusted in a manner readily apparent to those skilled in the art. Therefore, the various sequences in the specification and drawings are provided solely for the purpose of clearly describing a particular embodiment and are not intended to be mandatory, unless otherwise specified.

[0030] The serial numbers assigned to the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning.

[0031] In addition, the technical features and solutions described herein may be combined in any suitable manner in one or more embodiments. It will be readily apparent to those skilled in the art that the order of steps or operations in the methods described in the embodiments herein may be varied. Therefore, any order in the drawings and embodiments is for illustrative purposes only and does not imply a requirement to follow a specific order unless a specific order is explicitly stated.

[0032] Example:

[0033] like Figures 1 to 7 As shown, the electric shaft locking mechanism provided in an embodiment of the present application, one implementation of which is used for the rotating shaft of a cooking robot, such as a pot shaft, a stirring shaft, etc., and the electric shaft locking mechanism may include a driving component and a shaft locking component.

[0034] The driving assembly may include a shaft-locking motor 110 and a bidirectional lead screw 120 , wherein the bidirectional lead screw 120 is disposed on an output shaft of the shaft-locking motor 110 , and the shaft-locking motor 110 and the bidirectional lead screw 120 are mechanically connected;

[0035] The shaft locking assembly may include a locking ring 210 and a clamping shaft 220. The clamping shaft 220 is sleeved on the outside of the rotating shaft, and the locking ring 210 is sleeved on the clamping shaft 220. Driving the shaft locking motor 110 can lock the shaft or separate the locking ring 210 from the clamping shaft 220. Driving the shaft locking motor 110 to rotate forward can lock the locking ring 210 to the clamping shaft 220 or separate from the clamping shaft 220. Driving the shaft locking motor 110 to rotate forward can separate the locking ring 210 from the clamping shaft 220 or lock the clamping shaft 220.

[0036] In the electric locking shaft mechanism provided in the embodiment of the present application, the bidirectional screw 120 may include a first limiting portion 121, a second limiting portion 122, a first threaded portion 123 and a second threaded portion 124. The first limiting portion 121 and the second limiting portion 122 are respectively arranged at positions close to the two ends of the bidirectional screw 120, the first limiting portion 121 is connected to the first threaded portion 123, the second limiting portion 122 is connected to the second threaded portion 124, the first threaded portion 123 and the second threaded portion 124 extend respectively to the middle part of the bidirectional screw 120, that is, the first limiting portion 121, the first threaded portion 123, the second threaded portion 124 and the second limiting portion 122 are arranged in sequence, and the thread directions of the first threaded portion 123 and the second threaded portion 124 are opposite. In one embodiment, the bidirectional screw 120 may further include a mounting portion 125, which is arranged between the first threaded portion 123 and the second threaded portion 124.

[0037] In one embodiment, the locking ring may include a first connecting post 230 , a second connecting post 240 , a first half connecting ring 211 and a second half connecting ring 212 , wherein the first half connecting ring 211 and the second half connecting ring 212 are symmetrically arranged.

[0038] The two ends of the first half connecting ring 211 are respectively provided with a first connecting part 2111 and a second connecting part 2112, that is, one end of the first half connecting ring 211 is provided with a first connecting part 2111, and the other end of the first half connecting ring 211 is provided with a second connecting part 2112. The first connecting part 2111 is provided with a first connecting column guide hole 2113, and the first connecting column guide hole 2113 cooperates with the first connecting column 230. The second connecting part 2112 is provided with a second connecting column guide hole 2114, and the second connecting column guide hole 2114 cooperates with the second connecting column 240. The second connecting part 2112 is also provided with a first screw guide hole 2115, and the first screw guide hole 2115 cooperates with the bidirectional screw 120. In one embodiment, the first screw guide hole 2115 cooperates with the first threaded part 123 on the bidirectional screw 120.

[0039] The two ends of the second half connecting ring 212 are respectively provided with a third connecting part 2121 and a fourth connecting part 2122, that is, one end of the second half connecting ring 212 is provided with a third connecting part 2121, and the other end of the second half connecting ring 212 is provided with a fourth connecting part 2122. The third connecting part 2121 is provided with a third connecting column guide hole 2123, and the third connecting column guide hole 2123 cooperates with the first connecting column 230. The fourth connecting part 2122 is provided with a fourth connecting column guide hole 2124, and the fourth connecting column guide hole 2124 cooperates with the fourth connecting column 240. The fourth connecting part 2122 is also provided with a second screw guide hole 2125, and the second screw guide hole 2125 cooperates with the bidirectional screw 120. In one embodiment, the second screw guide hole 2125 cooperates with the second threaded part 124 on the bidirectional screw 120.

[0040] The second connecting portion 2112 includes a second upper connecting portion and a second lower connecting portion, which divide the first screw guide hole 2115 into two parts. In one embodiment, a first positioning post can be provided on one side of the second upper connecting portion, and a first positioning hole can be provided at a corresponding position on the second lower connecting portion. Alternatively, a first positioning hole can be provided on one side of the second upper connecting portion, a first positioning post can be provided at a corresponding position on the second lower connecting portion, a first mounting hole can be provided on the other side of the second upper connecting portion, and a second mounting hole can be provided at a corresponding position on the second lower connecting portion. A first internal thread 2116 is provided in the first screw guide hole 2115 on the second lower connecting portion, and the first internal thread 2116 cooperates with the first threaded portion 123.

[0041] The fourth connecting portion 2122 includes a fourth upper connecting portion and a fourth lower connecting portion, which divide the second screw guide hole 2125 into two parts. In one embodiment, a second positioning hole can be provided on one side of the fourth upper connecting portion, and a second positioning post can be provided at a corresponding position on the fourth lower connecting portion. Alternatively, a second positioning post can be provided on one side of the fourth upper connecting portion, and a second positioning hole can be provided at a corresponding position on the fourth lower connecting portion. A third mounting hole can be provided on the other side of the fourth upper connecting portion, and a fourth mounting hole can be provided at a corresponding position on the fourth lower connecting portion. A second internal thread 2126 is provided in the second screw guide hole 2125 on the fourth lower connecting portion, and the second internal thread 2126 mates with the second threaded portion 124.

[0042] In one embodiment, a first ridge 2117 is provided on the inner wall of the first half connecting ring 211, a second ridge 2127 is provided on the inner wall of the second half connecting ring 212, and an annular groove 221 is provided on the outside of the clamping shaft 220, which cooperates with the first ridge 2117 and the second ridge 2127 respectively.

[0043] In one embodiment of the electric shaft locking mechanism provided in the present application, a retaining spring groove 222 may be provided in the clamping shaft 220, which cooperates with the rotating shaft and may be specifically located near the top of the clamping shaft 220. In another embodiment, a limiting step 223 may be provided in the clamping shaft 220, which cooperates with the rotating shaft.

[0044] In one embodiment, the drive assembly may further include a first screw fixing block 126, a second screw fixing block 127, and a shaft-locking motor fixing block 111. The first screw fixing block 126 and the second screw fixing block 127 are respectively arranged at both ends of the bidirectional screw 120, and then the first screw fixing block 126 and the second screw fixing block 127 are mounted on a frame (not shown). The shaft-locking motor fixing block 111 is arranged at the output end of the shaft-locking motor 110. Specifically, the output shaft of the shaft-locking motor 110 can be passed through the output shaft mounting hole on the shaft-locking motor fixing block 111, and then the shaft-locking motor fixing block 111 is mounted on the frame.

[0045] The above content is a further detailed description of the present application in conjunction with specific implementation methods, and the specific implementation of the present application cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present application belongs, several simple deductions or substitutions can be made without departing from the concept of the present application.

Claims

1. An electric shaft locking mechanism, characterized in that: include: A drive assembly includes a shaft-locking motor and a bidirectional lead screw, wherein the bidirectional lead screw is arranged on an output shaft of the shaft-locking motor and is mechanically connected to the shaft-locking motor; The locking shaft assembly includes a locking shaft ring and a clamping shaft sleeved on the outside of the rotating shaft. The locking shaft ring is sleeved on the clamping shaft. Driving the locking shaft motor can lock the locking shaft ring or separate it from the clamping shaft.

2. The electric shaft locking mechanism according to claim 1, wherein: The bidirectional screw includes a first limiting portion, a second limiting portion, a first threaded portion and a second threaded portion. The first limiting portion and the second limiting portion are respectively arranged at positions close to the two ends of the bidirectional screw. The first limiting portion is connected to the first threaded portion, and the second limiting portion is connected to the second threaded portion. The first threaded portion and the second threaded portion respectively extend toward the middle part of the bidirectional screw, and the thread directions of the first threaded portion and the second threaded portion are opposite.

3. The electric shaft locking mechanism according to claim 2, wherein: The bidirectional lead screw further includes a mounting portion disposed between the first threaded portion and the second threaded portion.

4. The electric shaft locking mechanism according to claim 2, wherein: The locking ring includes a first connecting post, a second connecting post, and a first half connecting ring and a second half connecting ring symmetrically arranged, wherein the first half connecting ring is provided with a first connecting portion and a second connecting portion at both ends, the first connecting portion is provided with a first connecting post guide hole matched with the first connecting post, and the second connecting portion is provided with a second connecting post guide hole matched with the second connecting post and a first screw guide hole matched with the bidirectional screw; The two ends of the second half connecting ring are respectively provided with a third connecting part and a fourth connecting part, the third connecting part is provided with a third connecting column guide hole that cooperates with the first connecting column, and the fourth connecting part is provided with a fourth connecting column guide hole that cooperates with the second connecting column and a second screw guide hole that cooperates with the bidirectional screw.

5. The electric shaft locking mechanism according to claim 4, characterized in that: The second connecting portion includes a second upper connecting portion and a second lower connecting portion, and the second upper connecting portion and the second lower connecting portion divide the first screw guide hole into two parts; The fourth connection portion includes a fourth upper connection portion and a fourth lower connection portion, and the fourth upper connection portion and the fourth lower connection portion divide the second screw guide hole into two parts.

6. The electric shaft locking mechanism according to claim 5, characterized in that: The first screw guide hole provided on the second lower connecting portion is provided with a first internal thread that cooperates with the first threaded portion, and the second screw guide hole provided on the fourth lower connecting portion is provided with a second internal thread that cooperates with the second threaded portion.

7. The electric shaft locking mechanism according to claim 4, wherein: The inner wall of the first half connecting ring is provided with a first convex strip, the inner wall of the second half connecting ring is provided with a second convex strip, and the outer side of the clamping shaft is provided with an annular groove respectively matched with the first convex strip and the second convex strip.

8. The electric shaft locking mechanism according to claim 7, wherein: A retaining ring groove is provided in the clamping shaft.

9. The electric shaft locking mechanism according to claim 7, wherein: A limiting step is provided in the clamping shaft.

10. The electric shaft locking mechanism according to any one of claims 1 to 9, characterized in that: It also includes a first screw fixing block, a second screw fixing block and a shaft locking motor fixing block, wherein the first screw fixing block and the second screw fixing block are respectively arranged at the two ends of the bidirectional screw, and the shaft locking motor fixing block is arranged at the output end of the shaft locking motor.

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