Mixing equipment for preparing dry powder coating

Abstract

The utility model discloses mixing equipment for preparing dry powder coating, which comprises a support frame and a stirring shell, the support frame is mounted on external equipment, the stirring shell is mounted on the support frame, and an anti-overload mechanism is arranged on the stirring shell. The anti-overload mechanism comprises a spiral blade, a transmission shaft, a driven wheel, a hexagonal sleeve, a middle rod, a telescopic mechanism, a contraction table, a contraction block, an insertion rod, a clamping head and a transmission mechanism, the transmission shaft is rotationally connected to the stirring shell, the spiral blade is installed on the transmission shaft, and the middle rod is installed on the transmission shaft; the anti-overload mechanism can effectively prevent the motor from being damaged due to overlarge rotating torque, so that the safety and the reliability of equipment are improved, and through the interaction of the spiral blade, the transmission shaft, the driven wheel, the hexagonal sleeve, the middle rod, the clamping head and the compensation spring, the mechanism can be automatically disconnected when the torque exceeds a set threshold value, so that the motor is protected from being influenced by overload.

Description

Technical Field

[0001] The utility model relates to the technical field of mixing materials for preparing dry powder coatings, and more specifically, to mixing equipment for preparing dry powder coatings. Background Art

[0002] In the existing technology, mixing equipment for preparing dry powder coatings needs to be stirred with great force when in use. The existing equipment is rigidly connected. If the stirring blade is heavily loaded, it will cause damage to the motor, thus affecting the safety of use. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the problems existing in the prior art, the utility model provides a mixing device for preparing dry powder coatings to solve the technical problems mentioned in the background technology.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mixing device for preparing dry powder coating, comprising a support frame and a stirring shell, the support frame is installed on an external device, the stirring shell is installed on the support frame, an anti-overload mechanism is arranged on the stirring shell, the anti-overload mechanism comprises a spiral blade, a transmission shaft, a driven wheel, a hexagonal sleeve, an intermediate rod, a telescopic mechanism, a contraction platform, a contraction block, an insertion rod, a clamping joint and a transmission mechanism, the transmission shaft is rotatably connected to the stirring shell, the spiral blade is installed on the transmission shaft, the intermediate rod is installed on the transmission shaft, a hexagonal groove is provided on the driven wheel, a hexagonal sleeve is clamped in the hexagonal groove, a contraction platform is installed on the inner wall of the hexagonal sleeve, the contraction platform is slidably connected to the contraction block, the insertion rod is installed on the contraction block, the clamping joint is installed on the insertion rod, a lateral groove is provided on the side wall of the intermediate rod, the clamping joint is clamped in the lateral groove, and the transmission mechanism is installed on the support frame.

[0007] The utility model is further configured that a plurality of the clamping joints are provided, each of the clamping joints is provided with a compensation spring, and the design of the compensation spring ensures the continuity of the adjustment.

[0008] The utility model is further configured that the telescopic mechanism includes a push plate and a threaded sleeve, the threaded sleeve is threadedly connected in the hexagonal sleeve, the push plate is coaxially mounted on the threaded sleeve, and the design of the telescopic mechanism ensures the adjustment of the clamping force.

[0009] The utility model is further configured that a push sleeve is fitted on the shrink block, a thrust bearing is rotatably provided on the push sleeve, the threaded sleeve abuts against the thrust bearing, and the design of the thrust bearing ensures the vertical transmission of thrust.

[0010] The utility model is further configured that a plurality of push springs are arranged on the side wall of the push plate, and the plurality of push springs respectively abut against the side wall of the driven wheel, and the design of the push springs ensures the stability of the driven wheel.

[0011] The utility model is further configured such that the transmission mechanism includes a transmission motor, a driving wheel and a belt, which are click-mounted on a support frame, a driven wheel is mounted on the protruding end of the transmission motor, and the belt is respectively connected to the driving wheel and the driven wheel. The design of the transmission mechanism ensures the continuity of the transmission.

[0012] The utility model is further configured that a plurality of receiving springs are arranged on the stirring shell, and a screening frame is arranged on the plurality of receiving springs, and the design of the receiving springs ensures the continuity of screening.

[0013] The utility model is further configured that a vibration motor is provided on the screening frame.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a mixing device for preparing dry powder coatings, which has the following beneficial effects:

[0016] 1. The anti-overload mechanism can effectively prevent the motor from being damaged due to excessive torque, thereby improving the safety and reliability of the equipment. Through the interaction of the spiral blade, transmission shaft, driven wheel, hexagonal sleeve, intermediate rod, card joint and compensation spring, the mechanism can automatically disconnect when the torque exceeds the set threshold, thereby protecting the motor from overload. This automatic disconnection function not only reduces maintenance costs, but also increases production efficiency and prevents production interruptions caused by mechanical failures.

[0017] 2. The telescopic mechanism can adjust the spacing between mechanical parts, increasing the flexibility and precision of mechanical operation. Through the coordinated work of components such as the push plate, threaded sleeve, shrink block, push sleeve and thrust bearing, the telescopic mechanism allows the user to change the clamping force through simple adjustments. Such adjustments enable the equipment to better adapt to different working conditions and material requirements, thereby improving the overall operability and efficiency.

[0018] 3. The transmission mechanism provides stable and continuous power output for the entire mixing equipment, ensuring the uniformity and effectiveness of the mixing process. The mechanism includes a transmission motor, a driving wheel and a belt. Through the organic coordination of these components, the power can be smoothly transmitted to the spiral blades in the mixing shell, ensuring the uniformity of the mixed materials and the high-quality output of the final product, while reducing the possibility of mechanical failure and enhancing the reliability of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a mixing device for preparing dry powder coatings in the utility model;

[0020] Figure 2 It is a structural schematic diagram of the anti-overload mechanism in the utility model;

[0021] Figure 3 It is a cross-sectional structural schematic diagram of the hexagonal sleeve in the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the middle rod and the contraction block in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the hexagonal sleeve and the push plate in the utility model.

[0024] In the figure: 1. support frame; 2. stirring shell; 3. spiral blade; 4. transmission shaft; 5. driven wheel; 6. hexagonal sleeve; 7. intermediate rod; 8. contraction table; 9. contraction block; 10. insertion rod; 11. card joint; 12. hexagonal groove; 13. lateral groove; 14. compensation spring; 15. push plate; 16. threaded sleeve; 17. push sleeve; 18. thrust bearing; 19. push spring; 20. transmission motor; 21. driving wheel; 22. belt; 23. receiving spring; 24. screening frame; 25. vibration motor. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0027] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0028] See also Figure 1-5A mixing device for preparing dry powder coating comprises a support frame 1 and a stirring shell 2, the support frame 1 is mounted on an external device, the stirring shell 2 is mounted on the support frame 1, an anti-overload mechanism is arranged on the stirring shell 2, the anti-overload mechanism comprises a spiral blade 3, a transmission shaft 4, a driven wheel 5, a hexagonal sleeve 6, an intermediate rod 7, a telescopic mechanism, a contraction platform 8, a contraction block 9, an insertion rod 10, a clamping joint 11 and a transmission mechanism, the transmission shaft 4 is rotatably connected to the stirring shell 2, the spiral blade 3 is mounted on the transmission shaft 4, the intermediate rod 7 is mounted on the transmission shaft 4, a hexagonal groove 12 is provided on the driven wheel 5, a hexagonal sleeve 6 is clamped in the hexagonal groove 12, a contraction platform 8 is mounted on the inner wall of the hexagonal sleeve 6, a contraction block 9 is slidably connected to the contraction platform 8, the insertion rod 10 is mounted on the contraction block 9, the clamping joint 11 is mounted on the insertion rod 10, and a side wall of the intermediate rod 7 is provided with The lateral groove 13, the card joint 11 is stuck in the lateral groove 13, the transmission mechanism is installed on the support frame 1, and a plurality of card joints 11 are provided, each card joint 11 is provided with a compensation spring 14, the telescopic mechanism includes a push plate 15 and a threaded sleeve 16, the threaded sleeve 16 is threadedly connected in the hexagonal sleeve 6, the push plate 15 is coaxially installed on the threaded sleeve 16, the contraction block 9 is fitted with a push sleeve 17, the push sleeve 17 is rotatably provided with a thrust bearing 18, the threaded sleeve 16 abuts against the thrust bearing 18, a plurality of push springs 19 are provided on the side wall of the push plate 15, and the plurality of push springs 19 respectively abut against the side wall of the driven wheel 5, the transmission mechanism includes a transmission motor 20, a driving wheel 21 and a belt 22, which are click-installed on the support frame 1, and a driven wheel 5 is installed on the protruding end of the transmission motor 20, and the belt 22 is respectively connected to the driving wheel 21 and the driven wheel 5.

[0029] In this embodiment, when transmission is performed, the driven wheel 5 is driven to rotate under the action of the transmission motor 20, the driving wheel 21 and the belt 22, and the hexagonal sleeve 6 is clamped in the hexagonal groove 12, and then the rotation of the push plate 15 can drive the rotation of the threaded sleeve 16, and then the shrinking block 9 is driven to slide along the shrinking platform 8 under the action of the thrust bearing 18 and the pushing sleeve 17, so that the clamping joint 11 is abutted in the lateral groove 13, so that the intermediate rod 7 and the driven wheel 5 are in a clamped state, and when the rotational torque is greater than the elastic force of the compensation spring 14, the clamping joint 11 and the lateral groove 13 will be released, thereby avoiding damage to the motor, and when it is necessary to adjust the clamping force, the position of the shrinking block 9 can be adjusted by rotating the threaded sleeve 16, thereby changing the clamping force, and then changing the overload protection force.

[0030] See also Figure 1 A plurality of receiving springs 23 are provided on the stirring shell 2 , a screening frame 24 is provided on the plurality of receiving springs 23 , and a vibration motor 25 is provided on the screening frame 24 .

[0031] More specifically, when mixing is required, the raw materials are placed in the vibration frame, and then flow into the stirring shell 2 for stirring after screening. The raw materials are then fully stirred by the rotation of the spiral blades 3, thereby completing the mixing process, and then discharged through the discharge port at the lower end, thereby completing the discharge process.

[0032] In summary, when the overall equipment is in use or running: when transmitting, the driven wheel 5 is driven to rotate under the action of the transmission motor 20, the driving wheel 21 and the belt 22, and the hexagonal sleeve 6 is clamped in the hexagonal groove 12, and then the rotation of the push plate 15 can drive the rotation of the threaded sleeve 16, and then the shrinkage block 9 is driven to slide along the shrinkage table 8 under the action of the thrust bearing 18 and the pushing sleeve 17, so that the clamping joint 11 is abutted in the lateral groove 13, so that the intermediate rod 7 and the driven wheel 5 are in a clamped state, and when the rotational torque is greater than the elastic force of the compensation spring 14, the clamping joint 11 and the lateral groove 13 will be released, thereby avoiding damage to the motor, and when the clamping force needs to be adjusted, the position of the shrinkage block 9 can be adjusted by rotating the threaded sleeve 16, thereby changing the clamping force, and then changing the anti-overload force.

[0033] When mixing is required, the raw materials are placed in the vibration frame, and then flow into the stirring shell 2 for stirring after screening. The raw materials are then fully stirred by the rotation of the spiral blades 3, thereby completing the mixing process, and then discharged through the discharge port at the lower end, thereby completing the discharge process.

[0034] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A mixing device for preparing dry powder coating, comprising a support frame (1) and a stirring shell (2), wherein the support frame (1) is mounted on an external device and the stirring shell (2) is mounted on the support frame (1), wherein: The stirring shell (2) is provided with an anti-overload mechanism, which comprises a spiral blade (3), a transmission shaft (4), a driven wheel (5), a hexagonal sleeve (6), an intermediate rod (7), a telescopic mechanism, a contraction platform (8), a contraction block (9), an insertion rod (10), a clamping joint (11) and a transmission mechanism, wherein the transmission shaft (4) is rotatably connected to the stirring shell (2), the spiral blade (3) is mounted on the transmission shaft (4), the intermediate rod (7) is mounted on the transmission shaft (4), and the driven wheel (5) is ) is provided with a hexagonal groove (12), a hexagonal sleeve (6) is clamped in the hexagonal groove (12), a contraction platform (8) is installed on the inner wall of the hexagonal sleeve (6), a contraction block (9) is slidably connected on the contraction platform (8), an insertion rod (10) is installed on the contraction block (9), a clamping joint (11) is installed on the insertion rod (10), a lateral groove (13) is provided on the side wall of the intermediate rod (7), the clamping joint (11) is clamped in the lateral groove (13), and the transmission mechanism is installed on the support frame (1).

2. A mixing device for preparing dry powder coating according to claim 1, characterized in that: A plurality of the card joints (11) are provided, and each of the card joints (11) is provided with a compensation spring (14).

3. A mixing device for preparing dry powder coating according to claim 2, characterized in that: The telescopic mechanism comprises a push plate (15) and a threaded sleeve (16), wherein the threaded sleeve (16) is threadedly connected in the hexagonal sleeve (6), and the push plate (15) is coaxially mounted on the threaded sleeve (16).

4. A mixing device for preparing dry powder coating according to claim 3, characterized in that: The shrink block (9) is fitted with a push sleeve (17), a thrust bearing (18) is rotatably provided on the push sleeve (17), and the threaded sleeve (16) abuts against the thrust bearing (18).

5. A mixing device for preparing dry powder coating according to claim 4, characterized in that: A plurality of push springs (19) are arranged on the side wall of the push plate (15), and the plurality of push springs (19) respectively abut against the side wall of the driven wheel (5).

6. A mixing device for preparing dry powder coating according to claim 1, characterized in that: The transmission mechanism comprises a transmission motor (20), a driving wheel (21) and a belt (22), which are mounted on a support frame (1); a driven wheel (5) is mounted on the protruding end of the transmission motor (20), and the belt (22) is connected to the driving wheel (21) and the driven wheel (5) respectively.

7. A mixing device for preparing dry powder coating according to claim 1, characterized in that: The stirring shell (2) is provided with a plurality of receiving springs (23), and a screening frame (24) is provided on the plurality of receiving springs (23).

8. A mixing device for preparing dry powder coating according to claim 7, characterized in that: The screening frame (24) is provided with a vibration motor (25).

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