Powder stirring device

Abstract

The utility model belongs to the technical field of powder stirring devices, and particularly relates to a powder stirring device which comprises a stirring box, an auxiliary stirring device is mounted in the stirring cavity; a rotating shaft is mounted in the center of the bottom end surface of the inner wall of the stirring cavity; stirring frames are mounted on the two sides of the rotating shaft; the rotating end part of the stirring frame is fixedly connected with a scraping plate; sliding grooves are symmetrically formed in the cambered surface of the rotating shaft; a turning plate is rotationally mounted at the bottom of the end surface of the sliding block through a pin shaft; a cleaning brush is mounted on the circumferential arc surface of the turning plate; the top end face of the turning plate is fixedly connected with a connecting piece close to the sliding block. Inserting rods are inserted into the fixing holes and the limiting grooves. A lifting device is mounted at the top of the rotating shaft; under the action of the auxiliary stirring device, a large amount of powder is prevented from flying out of the stirring space, waste of raw materials is reduced, and the health of workshop workers is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of powder stirring devices, in particular to a powder stirring device. Background Art

[0002] In the production process of solid tablets such as caustic soda hydrochloride, it is necessary to mix and stir the specified different powdered raw materials in proportion to facilitate the subsequent finalization of the drug production;

[0003] A Chinese patent with publication number CN212881990U discloses a powder stirring device. The powder stirring device comprises: a stirring box; a first rotating rod, the first rotating rod is rotatably mounted on the bottom inner wall of the stirring box, and the bottom end of the first rotating rod extends to the bottom of the stirring box; a first stirring rod and a plurality of second stirring rods. The powder stirring device provided by the utility model is provided with a first stirring rod, a plurality of second stirring rods and a first spiral blade, so that two kinds of powders can be fully mixed when entering the stirring box, and the first spiral blade can play the purpose of turning the powder upward, and at the same time, the reverse rotation of the first spiral blade can transport the mixed powder in the stirring box downward, so that the powder can be discharged from the discharge pipe more quickly and conveniently; two feeding mechanisms are provided, so that the two kinds of powders can enter the stirring box simultaneously and evenly, so that the powders are mixed faster;

[0004] After the above-mentioned powder stirring device is used, when the stirring box is opened, powdered raw materials will fly out, which not only causes waste of raw materials and increases production costs, but also endangers the health of workers in the processing workshop; therefore, a powder stirring device is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems of powder stirring devices, the utility model provides a powder stirring device.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: a powder stirring device described in the utility model comprises a stirring box; a support rod is fixedly connected to the bottom of the stirring box; a stirring chamber is opened inside the stirring box; an auxiliary stirring device is installed inside the stirring chamber; the auxiliary stirring device comprises a rotating shaft; a rotating shaft is installed at the center of the bottom end surface of the inner wall of the stirring chamber; stirring frames are installed on both sides of the rotating shaft; a scraper is fixedly connected to the rotating end of the stirring frame; the rotating trajectory of the scraper contacts the arc surface of the inner wall of the stirring chamber;

[0007] Sliding grooves are symmetrically provided on the arc surface of the rotating shaft; a sliding block is arranged inside the sliding groove; a flip plate is rotatably installed on the bottom of the end surface of the sliding block through a pin shaft; the horizontal cross-section of the flip plate is semicircular; a cleaning brush is installed on the circumferential arc surface of the flip plate; the operating trajectory of the cleaning brush is in contact with the arc surface of the inner wall of the stirring chamber; the powder adhered to the arc surface of the inner wall of the stirring chamber is swept off, and at the same time, the phenomenon of a large amount of powder inside the stirring chamber flying to the outside is reduced.

[0008] Preferably, the opening position of the sliding groove is at a right angle to the installation position of the stirring frame; the height of the stirring frame is the same as the height of the scraper, so that the scraper can operate smoothly.

[0009] Preferably, a connecting piece is fixedly connected to the top end surface of the flip plate near the sliding block; a limiting groove is provided on the top of the connecting piece; a fixing hole is provided on the side of the sliding block; an insertion rod is inserted into the fixing hole and the limiting groove; a connecting rod is fixedly connected to the end of the insertion rod; so that the flip plate can operate stably.

[0010] Preferably, a driving device is installed at the bottom of the stirring box; the action end of the output shaft of the driving device is inserted into the stirring chamber and connected to the rotating shaft; thus, the smooth operation of the stirring frame is ensured.

[0011] Preferably, a lifting device is installed on the top of the rotating shaft; a lifting rod is installed on the bottom of the lifting device; the active end of the lifting rod is located inside the sliding groove and connected to the sliding block; thus providing power for the lifting and lowering of the flip plate.

[0012] Preferably, a cover plate is installed on the top of the mixing box; when the cover plate is in operation, the bottom end surface thereof does not contact the structural member of the lifting device; so that the mixing box can operate smoothly.

[0013] The utility model is beneficial in that:

[0014] The utility model adopts the structural design of the auxiliary stirring device, utilizes the connecting rod to pull out the plug rod from the inside of the limiting groove and the fixing hole, so that the flip plate drives the cleaning brush to rotate downward to the vertical position. After the powder raw material is added, a force is applied to the flip plate so that the connecting piece is tightly attached to the top end surface of the sliding block, and utilizes the connecting rod to insert the plug rod into the inside of the limiting groove and the fixing hole, and covers the cover plate, then starts the driving device, and the rotating shaft drives the stirring frame to rotate to realize the stirring operation. Under the cooperation of the scraper, the phenomenon of powder accumulation on the side of the stirring chamber and inability to stir is avoided. After the stirring operation is completed, the lifting device is started, and the lifting rod pushes the sliding block and the flip plate to move downward along the sliding groove. Under the action of the cleaning brush, the powder adhered to the inner wall of the stirring chamber is swept off, and then the cover plate is opened. Under the cooperation of the flip plate and the cleaning brush, a large amount of powder is prevented from flying out of the stirring space, thereby reducing the waste of raw materials and ensuring the health of the workshop staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is an isometric structural diagram;

[0017] Figure 2 It is a structural schematic diagram of the flip plate;

[0018] Figure 3 It is a structural schematic diagram of the stirring frame;

[0019] Figure 4 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0020] In the figure: 1, mixing box; 2, support rod; 3, mixing chamber; 401, rotating shaft; 402, mixing frame; 403, scraper; 404, driving device; 405, sliding groove; 406, sliding block; 407, flip plate; 408, cleaning brush; 409, connecting piece; 410, limiting groove; 411, fixing hole; 412, plug rod; 413, connecting rod; 414, lifting device; 415, lifting rod; 416, cover plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 As shown, a powder stirring device comprises a stirring box 1; a support rod 2 is fixedly connected to the bottom of the stirring box 1; a stirring chamber 3 is opened inside the stirring box 1; an auxiliary stirring device is installed inside the stirring chamber 3; the auxiliary stirring device comprises a rotating shaft 401; the rotating shaft 401 is installed at the center of the bottom end surface of the inner wall of the stirring chamber 3; stirring frames 402 are installed on both sides of the rotating shaft 401; a scraper 403 is fixedly connected to the rotating end of the stirring frame 402; the rotating track of the scraper 403 contacts the arc surface of the inner wall of the stirring chamber 3;

[0023] Sliding grooves 405 are symmetrically provided on the arc surface of the rotating shaft 401; a sliding block 406 is provided inside the sliding groove 405; a flip plate 407 is rotatably installed on the bottom of the end surface of the sliding block 406 through a pin; the horizontal cross section of the flip plate 407 is semicircular; a cleaning brush 408 is installed on the circumferential arc surface of the flip plate 407; the operation track of the cleaning brush 408 contacts the arc surface of the inner wall of the stirring chamber 3; the opening position of the sliding groove 405 is at a right angle to the installation position of the stirring frame 402; the height of the stirring frame 402 is equal to the height of the scraper 403 have the same height; a connecting piece 409 is fixedly connected to the top end surface of the flip plate 407 near the sliding block 406; a limiting groove 410 is provided on the top of the connecting piece 409; a fixing hole 411 is provided on the side of the sliding block 406; an insert rod 412 is inserted into the fixing hole 411 and the limiting groove 410; a connecting rod 413 is fixedly connected to the end of the insert rod 412; a driving device 404 is installed at the bottom of the mixing box 1; the active end of the output shaft of the driving device 404 is inserted into the mixing chamber 3 and connected to the rotating shaft 401;

[0024] During operation, in the process of producing solid tablets such as hydrochloric acid, it is necessary to mix and stir the specified different powdered raw materials in proportion so as to facilitate the subsequent finalized production of the medicine; after the above-mentioned powder stirring device is used, when the stirring box is opened, the powdered raw materials will fly out, which not only causes the waste of raw materials and increases the production cost, but also endangers the health of the workers in the processing workshop. The present application uses the auxiliary stirring device to work, and uses the connecting rod 413 to pull out the plug rod 412 from the inside of the limit groove 410 and the fixing hole 411, so that the flip plate 4 07 drives the cleaning brush 408 to rotate downward to a vertical position. After adding the powder raw material, a force is applied to the flip plate 407 so that the connecting piece 409 is tightly attached to the top end face of the sliding block 406, and the connecting rod 413 is used to insert the insertion rod 412 into the interior of the limiting groove 410 and the fixing hole 411, and the cover plate 416 is covered. Then the driving device 404 is started, and the rotating shaft 401 drives the stirring frame 402 to rotate to realize the stirring operation. With the cooperation of the scraper 403, the phenomenon of powder accumulation on the side of the stirring chamber 3 and the inability to stir is avoided.

[0025] A lifting device 414 is installed on the top of the rotating shaft 401; a lifting rod 415 is installed on the bottom of the lifting device 414; the action end of the lifting rod 415 is located inside the sliding groove 405 and connected to the sliding block 406; a cover plate 416 is installed on the top of the mixing box 1; when the cover plate 416 is in operation, its bottom end surface does not contact the structural parts of the lifting device 414;

[0026] During operation, after the stirring operation is completed, the lifting device 414 is started, and the lifting rod 415 pushes the sliding block 406 and the flip plate 407 to move downward along the sliding groove 405. Under the action of the cleaning brush 408, the powder adhering to the inner wall of the stirring chamber 3 is swept off, and then, the cover plate 416 is opened, and the flip plate 407 and the cleaning brush 408 cooperate to block a large amount of powder from flying out of the stirring space.

[0027] Working principle: In the production process of solid tablets such as caustic soda lye, it is necessary to mix and stir the specified different powdered raw materials in proportion so as to facilitate the subsequent finalized production of the medicine; after the above-mentioned powder stirring device is used, when the stirring box is opened, the powdered raw materials will fly out, which not only causes waste of raw materials and increases production costs, but also endangers the health of the workers in the processing workshop. The present application works through an auxiliary stirring device, and uses a connecting rod 413 to pull out the plug rod 412 from the inside of the limiting groove 410 and the fixing hole 411, so that the flip plate 407 drives the cleaning brush 408 to rotate downward to a vertical position. After adding the powdered raw materials, a force is applied to the flip plate 407, so that the connecting piece 409 is tightly attached to the top end face of the sliding block 406, and the connecting rod 413 is used. , insert the insertion rod 412 into the limiting groove 410 and the fixing hole 411, and cover the cover plate 416, then start the driving device 404, the rotating shaft 401 drives the stirring frame 402 to rotate to realize the stirring operation, and with the cooperation of the scraper 403, the phenomenon of powder accumulation on the side of the stirring chamber 3 and inability to stir is avoided. After the stirring operation is completed, start the lifting device 414, and the lifting rod 415 pushes the sliding block 406 and the flip plate 407 to move downward along the sliding groove 405. Under the action of the cleaning brush 408, the powder adhering to the inner wall of the stirring chamber 3 is swept off, and then, open the cover plate 416, and with the cooperation of the flip plate 407 and the cleaning brush 408, a large amount of powder is prevented from flying out of the stirring space, thereby reducing the waste of raw materials and ensuring the health of the workshop staff.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A powder stirring device, comprising a stirring box (1); a support rod (2) is fixedly connected to the bottom of the stirring box (1); a stirring chamber (3) is provided inside the stirring box (1); an auxiliary stirring device is installed inside the stirring chamber (3); the characteristics are: The auxiliary stirring device comprises a rotating shaft (401); the rotating shaft (401) is installed at the center of the bottom end surface of the inner wall of the stirring chamber (3); stirring racks (402) are installed on both sides of the rotating shaft (401); a scraper (403) is fixedly connected to the rotating end of the stirring rack (402); the rotating track of the scraper (403) is in contact with the arc surface of the inner wall of the stirring chamber (3); The arc surface of the rotating shaft (401) is symmetrically provided with sliding grooves (405); a sliding block (406) is arranged inside the sliding groove (405); a flip plate (407) is rotatably mounted on the bottom of the end surface of the sliding block (406) via a pin; the horizontal cross-section of the flip plate (407) is semicircular; a cleaning brush (408) is mounted on the circumferential arc surface of the flip plate (407); the operating trajectory of the cleaning brush (408) contacts the arc surface of the inner wall of the stirring chamber (3).

2. A powder stirring device according to claim 1, characterized in that: The opening position of the sliding groove (405) is at a right angle to the installation position of the stirring frame (402); the height of the stirring frame (402) is the same as the height of the scraper (403).

3. A powder stirring device according to claim 2, characterized in that: A connecting piece (409) is fixedly connected to the top end surface of the flip plate (407) near the sliding block (406); a limiting groove (410) is provided on the top of the connecting piece (409); a fixing hole (411) is provided on the side of the sliding block (406); an insertion rod (412) is inserted into the fixing hole (411) and the limiting groove (410); and a connecting rod (413) is fixedly connected to the end of the insertion rod (412).

4. A powder stirring device according to claim 3, characterized in that: A driving device (404) is installed at the bottom of the stirring box (1); the active end of the output shaft of the driving device (404) is inserted into the stirring chamber (3) and connected to the rotating shaft (401).

5. A powder stirring device according to claim 4, characterized in that: A lifting device (414) is installed on the top of the rotating shaft (401); a lifting rod (415) is installed on the bottom of the lifting device (414); the action end of the lifting rod (415) is located inside the sliding groove (405) and is connected to the sliding block (406).

6. A powder stirring device according to claim 5, characterized in that: A cover plate (416) is installed on the top of the mixing box (1); when the cover plate (416) is in operation, its bottom end surface does not contact the structural parts of the lifting device (414).

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