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, a pot liner can be conveniently mounted or taken out for maintenance without manual operations such as mounting or dismounting screws, so that the efficiency is improved, meanwhile, manual participation is not needed, and the labor intensity is reduced. And 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 automatic intelligent information technology, the automation of cooking equipment has gradually become a hot topic of concern, and some cooking robots have appeared on the market. The service life of the chemical coating on the pot of the existing cooking robot does not exceed 700 times. Therefore, the pot needs to be re-sprayed with chemical coating after a certain period of use. Especially for commercial cooking robots, if they cook 100 dishes a day, the pot needs to be disassembled for maintenance in a week. The pot is generally fixed to the rotating shaft, stirring shaft and other rotating shafts by screws, threaded compression covers, etc., and needs to be removed manually, which is time-consuming and laborious. The installation process also requires manual participation, and manual disassembly and installation also increase the customer's usage cost and training cost. Summary of the invention

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

[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 driving assembly, comprising 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;

[0007] The shaft locking assembly comprises 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 the shaft locking motor can be driven to make the shaft locking ring lock the clamping shaft or separate from the clamping shaft.

[0008] The above-mentioned electric locking shaft mechanism, the bidirectional lead 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 both ends of the bidirectional lead 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 lead 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 lead screw further includes a mounting portion arranged between the first threaded portion and the second threaded portion.

[0010] The electric shaft locking mechanism, the shaft locking ring comprises a first connecting post, a second connecting post and a first half connecting ring and a second half connecting ring which are symmetrically arranged, the first half connecting ring is provided with a first connecting portion and a second connecting portion at both ends respectively, the first connecting portion is provided with a first connecting post guide hole which cooperates with the first connecting post, the second connecting portion is provided with a second connecting post guide hole which cooperates with the second connecting post and a first screw guide hole which cooperates with the bidirectional screw;

[0011] The second half connecting ring is provided with a third connecting part and a fourth connecting part at both ends respectively, the third connecting part is provided with a third connecting column guide hole cooperating with the first connecting column, the fourth connecting part is provided with a fourth connecting column guide hole cooperating with the second connecting column and a second screw guide hole cooperating with the bidirectional screw.

[0012] The above-mentioned electric shaft locking mechanism, the second connecting part includes a second upper connecting part and a second lower connecting part, and the second upper connecting part and the second lower connecting part 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 lead screw guide hole into two parts.

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

[0017] The above-mentioned electric shaft locking mechanism has a limiting step arranged 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 screw 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 make the shaft locking ring 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 lock the clamping shaft or separate from the clamping shaft, and the rotating shaft can be conveniently installed or removed without manual operations such as installing or removing screws, thereby removing the pot for maintenance, thereby improving efficiency. At the same time, since no manual participation is required, the customer's use cost and training cost are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0022] Figure 2 A schematic diagram of the structure of a bidirectional lead screw in one embodiment of the present application;

[0023] Figure 3 A schematic diagram of the structure of a bidirectional lead screw in another embodiment of the present application;

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

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

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

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

[0028] The present invention is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are for making the present application better understood. However, those skilled in the art can easily recognize that some features can be omitted in different situations, or can be replaced by other elements, materials, 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 part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations according to 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 can be combined in any appropriate manner to form various implementations. At the same time, the steps or actions in the method description can also be interchanged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the various sequences in the specification and the drawings are only for the purpose of clearly describing a certain embodiment and are not meant to be a required sequence, unless otherwise specified that a certain sequence must be followed.

[0030] The serial numbers assigned to the components in this article, 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 technical solutions described herein may be combined in any suitable manner in one or more embodiments. It is easy for a person skilled in the art to understand that the steps or operation sequence of the methods related to the embodiments provided herein may also be changed. Therefore, any sequence in the drawings and embodiments is only for illustrative purposes and does not imply a requirement to follow a certain sequence unless it is explicitly stated that a certain sequence is required.

[0032] Example:

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

[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 electrically connected;

[0035] The shaft locking assembly may include a shaft locking ring 210 and a clamping shaft 220. The clamping shaft 220 is sleeved on the outside of the rotating shaft, and the shaft locking ring 210 is sleeved on the clamping shaft 220. Driving the shaft locking motor 110 can lock the shaft or separate the shaft locking ring 210 from the clamping shaft 220. Driving the shaft locking motor 110 to rotate forward can lock the shaft locking ring 210 to the clamping shaft 220 or separate from the clamping shaft 220. Driving the shaft locking motor 110 to rotate reversely can separate the shaft 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 lead 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 both ends of the bidirectional lead 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 are respectively extended to the middle part of the bidirectional lead 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 lead screw 120 may also 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 column 230 , a second connecting column 240 , a first half connecting ring 211 and a second half connecting ring 212 , and the first half connecting ring 211 and the second half connecting ring 212 are symmetrically arranged.

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

[0039] The second half connecting ring 212 is respectively provided with a third connecting part 2121 and a fourth connecting part 2122 at both ends, 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 lead screw guide hole 2125, and the second lead screw guide hole 2125 cooperates with the bidirectional lead screw 120. In one embodiment, the second lead screw guide hole 2125 cooperates with the second threaded part 124 on the bidirectional lead screw 120.

[0040] The second connecting portion 2112 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 2115 into two parts. In one embodiment, a first positioning column can be provided on one side of the second upper connecting portion, and a first positioning hole can be provided at a corresponding position of the second lower connecting portion, or a first positioning hole can be provided on one side of the second upper connecting portion, and a first positioning column can be provided at a corresponding position of 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 of 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, and the fourth upper connecting portion and the fourth lower connecting portion divide the second lead 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 column can be provided at a corresponding position of the fourth lower connecting portion, or a second positioning column can be provided on one side of the fourth upper connecting portion, and a second positioning hole can be provided at a corresponding position of 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 of the fourth lower connecting portion. A second internal thread 2126 is provided in the second lead screw guide hole 2125 on the fourth lower connecting portion, and the second internal thread 2126 cooperates 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 the electric shaft locking mechanism provided in the embodiment of the present application, in one embodiment, a spring groove 222 may be provided in the clamping shaft 220, and the spring groove 222 cooperates with the rotating shaft, and may be specifically arranged at a position close to the top of the clamping shaft 220. In another embodiment, a limiting step 223 may be provided in the clamping shaft 220, and the limiting step 223 cooperates with the rotating shaft.

[0044] In one embodiment, the drive assembly may further include a first lead screw fixing block 126, a second lead screw fixing block 127 and a shaft locking motor lead screw fixing block 111, wherein the first lead screw fixing block 126 and the second lead screw fixing block 127 are respectively disposed at both ends of the bidirectional lead screw 120, and then the first lead screw fixing block 126 and the second lead screw fixing block 127 are mounted on a frame (not shown). The shaft locking motor fixing block 111 is disposed at the output end of the shaft locking motor 110, and specifically, the output shaft of the shaft locking motor 110 may 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 contents are further detailed descriptions of the present application in combination with specific implementation methods, and it cannot be determined that the specific implementation of the present application is 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 driving assembly, comprising 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; The shaft locking assembly comprises 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 the shaft locking motor can be driven to make the shaft locking ring lock the clamping shaft or separate from the clamping shaft.

2. The electric shaft locking mechanism according to claim 1, characterized in that: The bidirectional lead 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 both ends of the bidirectional lead 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 to the middle portion of the bidirectional lead 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, characterized in that: 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, characterized in that: The locking ring comprises a first connecting post, a second connecting post, and a first half connecting ring and a second half connecting ring which are symmetrically arranged, wherein the first half connecting ring has a first connecting portion and a second connecting portion at both ends respectively, the first connecting portion has a first connecting post guide hole which matches with the first connecting post, the second connecting portion has a second connecting post guide hole which matches with the second connecting post, and a first screw guide hole which matches with the bidirectional screw; The second half connecting ring is provided with a third connecting part and a fourth connecting part at both ends respectively, the third connecting part is provided with a third connecting column guide hole cooperating with the first connecting column, the fourth connecting part is provided with a fourth connecting column guide hole cooperating with the second connecting column and a second screw guide hole cooperating 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 lead screw guide hole into two parts.

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

7. The electric shaft locking mechanism according to claim 4, characterized in that: The first half connecting ring has a first convex strip on its inner wall, the second half connecting ring has a second convex strip on its inner wall, and the clamping shaft has an annular groove on its outer side that matches the first convex strip and the second convex strip respectively.

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

9. The electric shaft locking mechanism according to claim 7, characterized in that: A limiting step is arranged inside the clamping shaft.

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

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