A dry material mixing device for protein bar processing

Abstract

The utility model discloses a kind of dry material mixing devices of protein bar processing, including mixing tank, vertical fixed on bracket;Stirring mechanism, coaxial setting is in mixing tank and keeps one end with transmission mechanism connection to carry out rotation and realize the mixing of material and the scraping cleaning of mixing tank inner wall;Discharge baffle, movably set in the side of mixing tank below to realize the opening and closure of mixing tank discharge port;Feed hopper, setting is in the upper of mixing tank and movably set with feed cover plate;Cleaning pipe, setting is in the sidewall bottom of mixing tank to discharge positive pressure air in mixing tank interior.The mixing device can be convenient to stir and mix dry material (i.e. protein powder, oatmeal, nut fragments etc.) in the processing of protein bar, scrape mixing tank inner wall in the process of stirring using stirring mechanism, to ensure the uniform dispersion of dry material, avoid adhering on inner wall and affect mixing quality, simultaneously combined with cleaning pipe can be convenient subsequent mixed material discharge cleaning.

Description

Technical Field

[0001] This utility model relates to the field of egg-based convenience food technology, specifically a dry material mixing device for protein bar processing. Background Technology

[0002] As a high-protein, portable functional food, the mixing of dry ingredients is one of the core processes determining product quality in protein bars. Dry ingredient components typically include protein powder (whey protein, pea protein, etc.), cereals (oatmeal, cereal crisps), functional additives (xanthan gum, guar gum), and fillers (chopped nuts, dried fruit granules), each with significantly different physical properties. For example, xanthan gum is an ultrafine powder (10-100μm particle size), highly hygroscopic, and prone to agglomeration; protein powder has a certain viscosity and easily adheres to solid surfaces; oatmeal, chopped nuts, etc., are millimeter-sized coarse particles with a density of only 0.6-0.9 g / cm³, a significant density difference compared to xanthan gum (density 1.3-1.4 g / cm³) and protein powder (density 1.2-1.3 g / cm³). These characteristics lead to various technical problems during the dry ingredient mixing process, directly affecting the stability of subsequent wet-dry mixing and molding processes, as well as the quality of the finished protein bar.

[0003] In existing technologies, the dry material mixing devices commonly used in protein bar processing are mostly ordinary mixing tanks, spiral mixers, and other similar equipment. These devices mainly achieve material mixing through the rotation of a single mixing blade. While they can meet basic mixing requirements, they have the following prominent drawbacks in practical applications: Severe adhesion to the inner wall of the mixing tank: Due to their hygroscopic and viscous properties, components such as protein powder and xanthan gum in the dry materials easily adhere to the inner wall of the mixing tank during the mixing process under centrifugal force and molecular adsorption, forming stubborn deposits. These deposits not only cannot participate in subsequent mixing, resulting in material waste (especially since additives such as xanthan gum are used in small quantities, their adhesion directly affects the effective ratio of functional components), but also breed microorganisms due to long-term residue, leading to contamination of subsequent batches of products and posing a food safety risk. At the same time, the accumulation of deposits affects the smoothness of the inner wall of the tank, further aggravating the adhesion problem in subsequent production, creating a vicious cycle. Utility Model Content

[0004] Therefore, in order to overcome the above-mentioned shortcomings, this utility model provides a dry material mixing device for protein bar processing. This dry material mixing device can utilize the rotation of the stirring mechanism inside the mixing tank to not only mix the materials, but also scrape against the inner wall of the mixing tank during the rotation process. This avoids easily adhering materials from sticking to the inner wall of the tank, which would prevent the traditional stirring mechanism from making contact with the material and leaving residues that affect the mixing quality and subsequent cleaning.

[0005] This utility model is implemented as follows: a dry material mixing device for protein bar processing includes a mixing tank, which is vertically fixed on a support. The stirring mechanism is coaxially mounted inside the mixing tank and one end is connected to the transmission mechanism to rotate and achieve mixing of materials and scraping and cleaning of the inner wall of the mixing tank. The discharge baffle is movably installed on the lower side of the mixing tank to open and close the discharge port of the mixing tank; A feed hopper is located above the mixing tank and is equipped with a movable feed cover. A cleaning pipe is installed at the bottom of the side wall of the mixing tank to discharge positive pressure air into the mixing tank.

[0006] Preferably, grooved plates are provided on both sides of the outer end of the discharge port of the mixing tank, and the discharge baffle is engaged in the gap between the grooved plates and the outer wall of the mixing tank to slide up and down. A rotating frame is provided above the discharge port of the mixing tank. One end of the rotating frame is rotatably installed on the outer wall of the mixing tank, and the other end is rotatably connected to the discharge baffle so as to drive the discharge baffle to slide up and down by rotating.

[0007] Preferably, the discharge baffle is an arc-shaped plate that fits against the outer wall of the mixing tank.

[0008] Preferably, a cover is provided on the top opening end of the mixing tank, the feed hopper is installed on the cover, and one end of the feed cover plate is rotatably installed on the top of the feed hopper to realize the opening or closing of the feed hopper.

[0009] Preferably, the stirring mechanism specifically includes a central rod, which is coaxially disposed inside the mixing tank and maintains one end connected to the transmission mechanism, while the other end is rotated with the cover. The first stirring blade, arranged around the outside of the central rod, lifts and conveys the material to achieve mixing; The second stirring blades are circumferentially distributed on the outer end of the central rod and close to the inner bottom of the mixing tank; A connecting plate is circumferentially positioned on the outer end of the central rod, away from the bottom of the mixing tank, and is correspondingly positioned to the second stirring blade. Clean the drum and rotate it to the outside of the pre-set connecting rod located between the connecting plate and the second agitator blade.

[0010] Preferably, the transmission mechanism consists of a transmission rod and a drive motor. The transmission rod is rotatably mounted at the bottom of the mixing tank and remains coaxially aligned. The drive motor is mounted on a bracket and maintains a transmission connection with the transmission rod.

[0011] Preferably, the first stirring blade is a spiral blade, the second stirring blade is an arc-shaped blade, and the bottom and outer end of the second stirring blade are close to the inner wall of the mixing tank.

[0012] Preferably, the outer end of the cleaning roller is uniformly provided with soft brushes, which are in contact with the inner wall of the mixing tank.

[0013] Compared with the prior art, the present invention has the following advantages: This mixing device, through the reasonable design of the stirring mechanism, can achieve material mixing while maintaining continuous contact with the inner wall of the mixing tank during rotation. Simultaneously, the tank wall is cleaned during the stirring process, effectively scraping off the adhering substances of viscous components such as protein powder and xanthan gum, avoiding waste of raw materials due to adhesion (especially ensuring the effective proportion of key functional additives such as xanthan gum).

[0014] Meanwhile, the stirring mechanism in this mixing device, together with the positive pressure air introduced through the cleaning pipe, can facilitate rapid mixing of materials in the mixing tank and effectively clean the inner wall of the mixing tank, avoiding incomplete material discharge that could lead to the growth of microorganisms, thus ensuring food production safety from the source and preventing cross-contamination between batches.

[0015] The first stirring blade adopts a spiral structure, which can lift the material at the bottom of the tank upward when rotating, forming an axial material circulation; the second stirring blade has an arc-shaped structure and is close to the bottom of the tank, which can fully stir the material that is easy to accumulate at the bottom of the tank. The two work together to effectively improve the mixing quality and solve the problem of material accumulation at the bottom of the tank in traditional devices. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the specific embodiments of the present invention to explain the present invention, but do not constitute any limitation on the present invention. In the drawings: Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a frontal view of the present invention; Figure 3 This is a side view of the present invention. Figure 4 This is a schematic diagram of the structure of the present invention with the feed cover open; Figure 5 This is a schematic diagram of the structure of this utility model without the cover; Figure 6 This is a schematic diagram of the stirring mechanism of this utility model; In the diagram: 1. Mixing tank; 2. Support frame; 3. Drive motor; 4. Transmission rod; 5. Feeding hopper; 6. Slot plate; 7. Discharge baffle; 8. Rotating frame; 9. Cover; 10. Feeding hopper; 11. Feeding cover plate; 12. Cleaning pipe; 13. Center rod; 14. First stirring blade; 15. Connecting plate; 16. Cleaning drum; 17. Second stirring blade. Detailed Implementation

[0017] The technical solution of this utility model will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only for illustration and explanation of this utility model and are not intended to limit this utility model in any way. The accompanying drawings in this utility model are only for illustrative purposes and to facilitate understanding of the embodiments and are not intended to limit this utility model in any way.

[0018] It should be noted that the structures, proportions, sizes, etc. shown in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which the present invention can be implemented. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention.

[0019] As described in the background section, during the dry mixing of protein bar ingredients, due to the different densities of various ingredients, the traditional stirring blades will push the denser materials to the inner wall of the mixing tank during the stirring process, causing them to adhere and affecting the mixing of materials.

[0020] For the reasons stated above, please refer to the appendix for solutions to these problems. Figure 1 ~Appendix Figure 5 This utility model provides a dry material mixing device for protein bar processing, including a mixing tank 1, which is vertically fixed on a support 2; The stirring mechanism is coaxially disposed inside the mixing tank 1 and one end is connected to the transmission mechanism to rotate and achieve mixing of materials and scraping and cleaning of the inner wall of the mixing tank 1. The discharge baffle 7 is movably installed on the lower side of the mixing tank 1 to open and close the discharge port of the mixing tank 1; The feed hopper 10 is located above the mixing tank 1 and is movably equipped with a feed cover plate 11; A cleaning pipe 12 is installed at the bottom of the side wall of the mixing tank 1 to discharge positive pressure air into the mixing tank 1.

[0021] In this embodiment, groove plates 6 are provided on both sides of the outer end of the discharge port of the mixing tank 1. The discharge baffle 7 is engaged in the gap between the groove plate 6 and the outer wall of the mixing tank 1 and slides up and down. A rotating frame 8 is provided above the discharge port of the mixing tank 1. One end of the rotating frame 8 is rotatably installed on the outer wall of the mixing tank 1, and the other end is rotatably connected to the discharge baffle 7 so as to drive the discharge baffle 7 to slide up and down by rotation.

[0022] As described above, when the rotating frame rotates upward, it can drive the discharge baffle to slide upward, opening the discharge port for easy material discharge. When it rotates downward, it can block the discharge port, facilitating material mixing.

[0023] In this embodiment, the discharge baffle 7 is an arc-shaped plate that fits against the outer wall of the mixing tank 1, and a receiving hopper 5 is also provided below the discharge port of the mixing tank 1.

[0024] As mentioned above, the discharge baffle is an arc-shaped plate, which can easily block the discharge port and prevent material leakage.

[0025] In this embodiment, a cover 9 is provided on the top opening end of the mixing tank 1, the feed hopper 10 is installed on the cover 9, and one end of the feed cover plate 11 is rotatably installed on the top of the feed hopper 10 to realize the opening or closing of the feed hopper 10.

[0026] As mentioned above, the purpose of setting up the feed cover is to prevent air from being discharged from the feed hopper and carrying away some of the powder material when positive pressure air is being discharged into the hopper.

[0027] Please see the appendix Figure 6 In this embodiment, the stirring mechanism specifically includes a central rod 13, which is coaxially disposed inside the mixing tank 1 and maintains one end connected to the transmission mechanism, while the other end is rotated with the cover 9; The first stirring blade 14 is arranged around the outside of the central rod 13 to lift and convey the material to achieve mixing; The second stirring blade 17 is circumferentially distributed at the outer end of the central rod 13 and close to the inner bottom of the mixing tank 1; The connecting plate 15 is circumferentially arranged on the outer end of the central rod 13, away from the bottom of the mixing tank 1, and is correspondingly arranged to the second stirring blade 17. Cleaning drum 16, rotates outside the pre-set connecting rod between connecting plate 15 and second stirring blade 17.

[0028] In this embodiment, the transmission mechanism consists of a transmission rod 4 and a drive motor 3. The transmission rod 4 is rotatably mounted on the bottom of the mixing tank 1 and is coaxially aligned. The drive motor 3 is mounted on the bracket 2 and is connected to the transmission rod 4 in a transmission manner.

[0029] In this embodiment, the first stirring blade 14 is a spiral blade, the second stirring blade 17 is an arc-shaped blade, and the bottom and outer end of the second stirring blade 17 are close to the inner wall of the mixing tank 1.

[0030] As described above, the specific shape of the stirring blade can ensure the mixing of materials. The bottom and outer end of the second stirring blade can be provided with soft brushes that contact the inner wall of the mixing tank.

[0031] In this embodiment, the outer end of the cleaning roller 16 is uniformly provided with soft brushes, which are in contact with the inner wall of the mixing tank 1.

[0032] During the mixing process, the discharge baffle 7 is lowered by the rotation of the rotating frame 8 to block the discharge port of the mixing tank 1. Then, the feed cover 11 is opened to pour the various proportioned raw materials from the feed hopper 10 into the mixing tank 1. After all the raw materials are poured in, the feed cover 11 is closed to prevent some powder material from overflowing from the feed hopper during the mixing process. Then, the drive motor 3 is started to drive the stirring mechanism to rotate and achieve the mixing of materials. During the mixing process, both the second stirring blade 17 and the first stirring blade 14 achieve the mixing of materials, while the cleaning roller 16 scrapes the inner wall of the mixing tank 1 as the central rod 13 rotates to prevent materials from adhering to the inner wall and achieve full mixing of materials.

[0033] After mixing, the reverse rotating component 8 drives the discharge baffle 7 to rise to open the discharge port. Then, part of the material is discharged from the discharge port under the action of gravity, while another part of the material can also be continuously discharged from the discharge port under the action of the rotation of the second stirring blade 17 and the positive pressure air discharged from the cleaning pipe 12, so as to avoid material residue.

[0034] The above description is a detailed description of the preferred embodiments of the present utility model. However, the embodiments are not intended to limit the scope of the patent application of the present utility model. All equivalent changes or modifications made under the technical spirit of the present utility model should fall within the patent scope covered by the present utility model.

Claims

1. A dry material mixing device for protein bar processing, characterized in that: include, The mixing tank is vertically fixed on a support. The stirring mechanism is coaxially mounted inside the mixing tank and one end is connected to the transmission mechanism to rotate and achieve mixing of materials and scraping and cleaning of the inner wall of the mixing tank. The discharge baffle is movably installed on the lower side of the mixing tank to open and close the discharge port of the mixing tank; A feed hopper is located above the mixing tank and is equipped with a movable feed cover. A cleaning pipe is installed at the bottom of the side wall of the mixing tank to discharge positive pressure air into the mixing tank.

2. The dry material mixing device for protein bar processing according to claim 1, characterized in that: A groove plate is provided on both sides of the outer end of the discharge port of the mixing tank. The discharge baffle is engaged in the gap between the groove plate and the outer wall of the mixing tank and slides up and down. A rotating frame is provided above the discharge port of the mixing tank. One end of the rotating frame is rotatably installed on the outer wall of the mixing tank, and the other end is rotatably connected to the discharge baffle so as to drive the discharge baffle to slide up and down by rotating.

3. The dry material mixing device for protein bar processing according to claim 2, characterized in that: The discharge baffle is an arc-shaped plate that fits into the outer wall of the mixing tank.

4. The dry material mixing device for protein bar processing according to claim 1, characterized in that: The mixing tank has a cover at the top opening, the feed hopper is installed on the cover, and one end of the feed cover is rotatably installed on the top of the feed hopper to open or close the feed hopper.

5. The dry material mixing device for protein bar processing according to claim 4, characterized in that: The stirring mechanism specifically includes a central rod, which is coaxially disposed inside the mixing tank and maintains one end connected to the transmission mechanism, while the other end is rotated with the cover. The first stirring blade, arranged around the outside of the central rod, lifts and conveys the material to achieve mixing; The second stirring blades are circumferentially distributed on the outer end of the central rod and close to the inner bottom of the mixing tank; A connecting plate is circumferentially positioned on the outer end of the central rod, away from the bottom of the mixing tank, and is correspondingly positioned to the second stirring blade. Clean the drum and rotate it to the outside of the pre-set connecting rod located between the connecting plate and the second agitator blade.

6. The dry material mixing device for protein bar processing according to claim 5, characterized in that: The transmission mechanism consists of a transmission rod and a drive motor. The transmission rod is rotatably mounted at the bottom of the mixing tank and remains coaxial. The drive motor is mounted on a bracket and maintains a transmission connection with the transmission rod.

7. The dry material mixing device for protein bar processing according to claim 5, characterized in that: The first stirring blade is a spiral blade, and the second stirring blade is an arc-shaped blade. The bottom and outer end of the second stirring blade are close to the inner wall of the mixing tank.

8. The dry material mixing device for protein bar processing according to claim 5, characterized in that: The outer end of the cleaning roller is uniformly provided with soft brushes, which are in contact with the inner wall of the mixing tank.

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