A stirring shaft interlocking device and a stirring pot

Abstract

The utility model relates to the technical field of stirring pot provides a kind of stirring shaft interlocking device and stirring pot, interlocking device includes stirring shaft, interlocking structure and linkage shaft, interlocking structure includes clamping block, linkage column, fixed sleeve, transmission sleeve and locking piece, clamping block one end is connected with linkage shaft, the other end is connected with linkage column, the end of linkage column away from clamping block inserts stirring shaft, fixed sleeve is sleeved on stirring shaft, transmission sleeve is sleeved on linkage column, locking piece connects fixed sleeve with transmission sleeve, locking piece drives transmission sleeve to move and makes clamping block and linkage shaft joint or separate, stirring pot, still include bottom plate, stirring bin and drive structure, the top of bottom plate is provided stirring bin, stirring bin is rotatably installed stirring shaft, the outer wall of stirring shaft is provided with stirring blade, the outer wall one side of stirring bin is provided with the drive structure of the drive stirring shaft rotation. Through interlocking structure makes between speed reducer and stirring shaft thoroughly release linkage state and separate, significantly improve the service life of equipment, improve security.

Description

Technical Field

[0001] This utility model relates to the field of mixing pot technology, and in particular to a mixing shaft interlocking device and a mixing pot. Background Technology

[0002] In civil engineering projects such as highways, railways, and municipal works, mixing tanks are widely used key equipment, and their core component, the mixing shaft, is usually driven by a motor for rotation and mixing. To ensure the safety of operators during equipment maintenance, cleaning, or troubleshooting, it is crucial to prevent accidental rotation of the mixing shaft.

[0003] The commonly used technical solution is to use a single mechanical locking structure (such as a pin or stop) on the outside of the mixing tank to limit the rotation of the mixing shaft. Relying on a single external locking structure to provide the limiting force, when the mixing bearing is subjected to a large reverse torque, this single locking structure may not be able to provide sufficient locking force. There is a risk of being forcibly driven, accidentally disengaging, or structural deformation and failure, causing the mixing shaft to rotate unexpectedly, posing a serious safety threat to on-site personnel. Furthermore, even if the torque on the mixing bearing is small, if the equipment is not completely powered off, or if there is a misoperation or control system failure causing the motor to start unexpectedly, the mixing shaft will be forcibly driven to rotate by the rigid resistance of the locking structure. This not only fails to guarantee safety but also generates a huge impact load instantly, damaging the locking structure itself, the transmission components of the mixing shaft, and even the drive motor.

[0004] Therefore, in order to address the above problems, a stirring shaft interlocking device and a stirring pot are proposed to solve the problems. Utility Model Content

[0005] This invention addresses the shortcomings of existing technologies by developing a stirring shaft interlocking device and a stirring pot. This invention can completely separate the drive structure from the stirring shaft, thereby improving safety.

[0006] The technical solution to the technical problem solved by this utility model is as follows: This utility model provides a stirring shaft interlocking device, including a stirring shaft, an interlocking structure, and a linkage shaft. The stirring shaft is mounted on the linkage shaft through the interlocking structure. The interlocking structure includes a locking block, a linkage column, a fixed sleeve, a transmission sleeve, and a locking element. One end of the locking block is engaged with the linkage shaft, and the other end is connected to the linkage column. The stirring shaft is inserted into the end of the linkage column away from the locking block. The fixed sleeve is fitted onto the stirring shaft, and the transmission sleeve is fitted onto the linkage column. The locking element connects the fixed sleeve and the transmission sleeve. The locking element drives the transmission sleeve to move, causing the locking block to engage or disengage from the linkage shaft.

[0007] As an optimization, the locking component includes a lead screw, a knob, and a T-shaped guide rod. Side blocks are integrally formed on both sides of the outer wall of the fixed sleeve and the transmission sleeve. The set of side blocks on one side of the fixed sleeve and the transmission sleeve are threaded to the lead screw, and the set of side blocks on the other side of the stirring shaft are slidably connected to the T-shaped guide rod. A knob is provided at the end of the lead screw away from the fixed sleeve.

[0008] As an optimization, the end of the linkage column near the stirring shaft is provided with a connecting hole for the stirring shaft to pass through. The inner wall of the connecting hole is provided with positioning protrusions at equal intervals. The end of the stirring shaft near the linkage shaft is provided with a guide groove that is adapted to the positioning protrusions. The positioning protrusions slide inside the guide groove.

[0009] As an optimization, a slot adapted to the card block is opened at the end of the linkage shaft near the card block.

[0010] A mixing tank includes the mixing shaft interlocking device described in any one of the above claims, and further includes a bottom plate, a mixing chamber, and a drive structure. The mixing chamber is provided on the top of the bottom plate, and a mixing shaft is rotatably installed inside the mixing chamber. Mixing blades are provided on the outer wall of the mixing shaft, and a drive structure for driving the mixing shaft to rotate is provided on one side of the outer wall of the mixing chamber.

[0011] As an optimization, the drive structure includes a reducer and a servo motor. The servo motor is mounted on the base plate via a mounting bracket. The output end of the servo motor is connected to the input end of the reducer, and the output end of the reducer is connected to the linkage shaft.

[0012] It also includes an equipment compartment for housing the interlocking structure, which is set on the base plate and located between the mixing chamber and the drive structure.

[0013] As an optimization, a feeding conveyor is also included. The feeding conveyor is located above the mixing chamber and at the end of the mixing chamber away from the drive structure. The discharge port of the feeding conveyor is connected to the feed port of the mixing chamber.

[0014] The effects provided in the utility model description are merely those of the embodiments, and not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:

[0015] 1. The interlocking structure decouples the reducer from the stirring shaft, ensuring that the stirring shaft will not rotate even if the motor starts unexpectedly or is powered on, thus providing safety for the operator. When the reducer and stirring shaft are decoupled, the servo motor may start unexpectedly, and the reducer will be in an idling state, avoiding damage to the locking structure caused by hard collision between the transmission locking structure and the rotating parts, and significantly improving the service life and reliability of the equipment.

[0016] 2. The internal engagement of the locking block into the slot and the threaded transmission allow for free control of the block's lateral movement, enabling linkage between the linkage shaft and the stirring shaft, making operation convenient and quick. Attached Figure Description

[0017] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0018] Figure 1 This is an overall structural diagram of the present invention;

[0019] Figure 2 This is a structural diagram of the drive structure of this utility model;

[0020] Figure 3 This is a structural diagram of the interlocking structure of this utility model.

[0021] In the diagram, 1. Base plate; 2. Feeding conveyor; 3. Mixing bin; 4. Mixing shaft; 41. Guide groove; 5. Mixing blade; 6. Drive structure; 7. Equipment bin; 8. Interlocking structure; 81. Fixed sleeve; 82. T-shaped guide rod; 83. Transmission sleeve; 84. Linkage column; 85. Positioning protrusion; 86. Side block; 87. Lead screw; 88. Knob; 9. Reducer; 10. Servo motor; 11. Linkage shaft; 12. Slot; 13. Locking block. Detailed Implementation

[0022] To clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different examples. This repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present invention omits descriptions of well-known components and processing techniques and processes to avoid unnecessarily limiting the present invention. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate orientation or positional relationships based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] like Figures 1 to 3 As shown, a stirring shaft interlocking device includes a stirring shaft 4, an interlocking structure 8, and a linkage shaft 11. The stirring shaft 4 is mounted on the linkage shaft 11 via the interlocking structure 8. The interlocking structure 8 includes a locking block 13, a linkage column 84, a fixing sleeve 81, a transmission sleeve 83, and a locking element. One end of the locking block 13 is engaged with the linkage shaft 11, and the other end is connected to the linkage column 84. The stirring shaft 4 is inserted into the end of the linkage column 84 away from the locking block 13. The fixing sleeve 81 is sleeved on the stirring shaft 4, and the transmission sleeve 83 is sleeved on the linkage column 84. The locking element connects the fixing sleeve 81 and the transmission sleeve 83. The locking element drives the transmission sleeve 83 to move, causing the locking block 13 to engage or disengage from the linkage shaft 11.

[0024] The locking mechanism includes a lead screw 87, a knob 88, and a T-shaped guide rod 82. Side blocks 86 are integrally formed on both sides of the outer wall of the fixing sleeve 81 and the transmission sleeve 83. A set of side blocks 86 on one side of the fixing sleeve 81 and the transmission sleeve 83 are threadedly connected to the lead screw 87, while a set of side blocks 86 on the other side of the stirring shaft 4 are slidably connected to the T-shaped guide rod 82. A knob 88 is located at the end of the lead screw 87 furthest from the fixing sleeve 81. Through threaded transmission, the locking block 13 can be freely controlled to move laterally, realizing the disengagement or linkage between the linkage shaft 11 and the stirring shaft 4, making operation convenient and quick.

[0025] The linkage column 84 has a connecting hole at one end near the stirring shaft 4 for the stirring shaft 4 to pass through. The inner wall of the connecting hole is provided with positioning protrusions 85 at equal intervals. The stirring shaft 4 has a guide groove 41 at one end near the linkage shaft 11 that is adapted to the positioning protrusions 85. The positioning protrusions 85 slide inside the guide groove 41.

[0026] A slot 12 adapted to the card block 13 is opened at one end of the linkage shaft 11 near the card block 13.

[0027] The usage process of interlocking structure 8 is as follows:

[0028] The knob 88 drives the lead screw 87 to rotate. Under the transverse thread transmission between the lead screw 87 and the threaded hole on the side block 86, the transmission sleeve 83 drives the linkage column 84 to move laterally. When the linkage column 84 moves towards the direction closer to the stirring shaft 4, the locking block 13 will disengage from the inside of the locking groove 12, releasing the linkage state between the linkage shaft 11 and the stirring shaft 4. When the linkage column 84 moves away from the stirring shaft 4, the locking block 13 will finally enter the inside of the locking groove 12 and engage. Since the positioning protrusion 85 slides inside the guide groove 41, the linkage state between the linkage shaft 11 and the stirring shaft 4 is realized.

[0029] In another embodiment, a mixing pot is provided, including the mixing shaft interlocking device described in any of the above claims, and further including a bottom plate 1, a mixing chamber 3 and a drive structure 6. The mixing chamber 3 is provided on the top of the bottom plate 1, and a mixing shaft 4 is rotatably installed inside the mixing chamber 3. Mixing blades 5 are provided on the outer wall of the mixing shaft 4, and a drive structure 6 for driving the mixing shaft 4 to rotate is provided on one side of the outer wall of the mixing chamber 3.

[0030] The drive structure 6 includes a reducer 9 and a servo motor 10. The servo motor 10 is mounted on the base plate 1 via a mounting bracket. The output end of the servo motor 10 is connected to the input end of the reducer 9, and the output end of the reducer 9 is connected to the linkage shaft 11.

[0031] It also includes an equipment compartment 7 for housing the interlocking structure 8, which is located on the base plate 1 and between the mixing chamber 3 and the drive structure 6.

[0032] It also includes a feeding conveyor 2, which is positioned above the mixing chamber 3 and at the end of the mixing chamber 3 furthest from the drive structure 6. The discharge port of the feeding conveyor 2 is connected to the feed port of the mixing chamber 3. Material is poured onto the conveying end of the feeding conveyor 2, which continuously transports the material into the mixing chamber 3, reducing the difficulty of feeding. The structure of the feeding conveyor 2 and its connection to the mixing chamber 3 are existing technologies and will not be described in detail.

[0033] The drive structure 6 drives the stirring blade 5 to rotate as follows:

[0034] When the locking block 13 is locked inside the slot 12, the servo motor 10 drives the linkage shaft 11 to rotate through the reducer 9. Since the slot 12 and the locking block 13 are locked together, the interlocking structure 8 will rotate with the linkage shaft 11, which in turn will cause the stirring shaft 4 to rotate with the linkage shaft 11, so that the stirring blade 5 will stir the material inside the stirring chamber 3.

[0035] When it is necessary to enter the mixing chamber 3 for operation, the interlocking structure 8 disengages the reducer 9 from the mixing shaft 4. Even if the motor is accidentally started or powered on, the mixing shaft 4 will not rotate at all. This fundamentally solves the core safety problem that the single external locking structure may be breached, providing the highest level of intrinsic safety for the operator. Furthermore, when the reducer 9 is disengaged from the mixing shaft 4, even if the servo motor 10 is accidentally started, the reducer 9 will only be in an idling state, avoiding the problem of damage to the locking structure caused by hard collision between the transmission locking structure and the rotating parts, and significantly improving the service life and reliability of the equipment.

[0036] Although the specific embodiments of the utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the utility model. Based on the technical solution of the utility model, various modifications or variations that can be made by those skilled in the art without creative effort are still within the scope of protection of the utility model.

Claims

1. An agitator shaft interlock, characterized by: The system includes a stirring shaft (4), an interlocking structure (8), and a linkage shaft (11). The stirring shaft (4) is mounted on the linkage shaft (11) via the interlocking structure (8). The interlocking structure (8) includes a locking block (13), a linkage column (84), a fixed sleeve (81), a transmission sleeve (83), and a locking element. One end of the locking block (13) is engaged with the linkage shaft (11), and the other end is connected to the linkage column (84). The stirring shaft (4) is inserted into the end of the linkage column (84) away from the locking block (13). The fixed sleeve (81) is fitted onto the stirring shaft (4), and the transmission sleeve (83) is fitted onto the linkage column (84). The locking element connects the fixed sleeve (81) and the transmission sleeve (83). The locking element drives the transmission sleeve (83) to move, causing the locking block (13) to engage or disengage from the linkage shaft (11).

2. The stirring shaft interlocking device according to claim 1, characterized in that: The locking components include a lead screw (87), a knob (88), and a T-shaped guide rod (82). The outer walls of the fixed sleeve (81) and the transmission sleeve (83) are integrally formed with side blocks (86). The fixed sleeve (81) and the transmission sleeve (83) are threadedly connected to the lead screw (87) on one side of the stirring shaft (4), and the side blocks (86) on the other side of the stirring shaft (4) are slidably connected to the T-shaped guide rod (82). The knob (88) is provided at the end of the lead screw (87) away from the fixed sleeve (81).

3. The stirring shaft interlocking device according to claim 1 or 2, characterized in that: The linkage column (84) has a connecting hole at one end near the stirring shaft (4) for the stirring shaft (4) to pass through. The inner wall of the connecting hole is provided with positioning protrusions (85) at equal intervals. The stirring shaft (4) has a guide groove (41) at one end near the linkage shaft (11) that is adapted to the positioning protrusions (85). The positioning protrusions (85) slide inside the guide groove (41).

4. The stirring shaft interlocking device according to claim 1 or 2, characterized in that: A slot (12) adapted to the card block (13) is opened at one end of the linkage shaft (11) near the card block (13).

5. A stirring vessel, comprising the stirring shaft interlocking device as described in any one of claims 1-4, characterized in that: It also includes a base plate (1), a mixing chamber (3) and a drive structure (6). The mixing chamber (3) is set on the top of the base plate (1). The mixing shaft (4) is rotatably installed inside the mixing chamber (3). The mixing blade (5) is set on the outer wall of the mixing shaft (4). The drive structure (6) that drives the mixing shaft (4) to rotate is set on one side of the outer wall of the mixing chamber (3).

6. The stirring vessel according to claim 5, characterized in that: The drive structure (6) includes a reducer (9) and a servo motor (10). The servo motor (10) is mounted on the base plate (1) via a mounting bracket. The output end of the servo motor (10) is connected to the input end of the reducer (9), and the output end of the reducer (9) is connected to the linkage shaft (11).

7. The stirring vessel according to claim 5, characterized in that: It also includes an equipment compartment (7) for placing the interlocking structure (8), the equipment compartment (7) being set on the base plate (1) and located between the mixing chamber (3) and the drive structure (6).

8. The stirring pot according to claim 5, characterized in that: It also includes a feeding conveyor (2), which is located above the mixing chamber (3) and at one end of the mixing chamber (3) away from the drive structure (6). The discharge port of the feeding conveyor (2) is connected to the feed port of the mixing chamber (3).

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