Stirrer structure on ice cream machine

Abstract

The utility model provides a stirrer structure on an ice cream machine, and belongs to the technical field of ice cream machines. Comprising a spiral material guiding stirring piece, a spiral feeding disc and a plurality of positioning shafts, the spiral feeding disc is fixed to the front end of the spiral material guiding stirring piece, the positioning shafts are evenly distributed on the outer side of the inner refrigeration cylinder in the circumferential direction, the spiral material guiding stirring piece is fixedly connected with the positioning shafts, and a gap is formed between the spiral material guiding stirring piece and the outer wall of the inner refrigeration cylinder. Scrapers parallel to the positioning shaft are fixedly arranged on the positioning shaft, the scrapers are tightly attached to the outer wall of the refrigerating inner cylinder, the length of the scrapers is smaller than that of the refrigerating inner cylinder, the adjacent scrapers are distributed in a staggered mode, and the scraping area of all the scrapers on the refrigerating inner cylinder covers the whole peripheral wall face of the refrigerating inner cylinder. The utility model has the advantages of simple structure and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of ice cream machines and relates to a stirrer structure on an ice cream machine. Background Art

[0002] The parts of a commercial ice cream machine that need to be frequently cleaned are mainly the material cylinder and the freezing cylinder of the raw materials. The raw materials in the material cylinder are precooled and mixed under the control of the refrigeration system, and then are transported to the freezing cylinder through a conveying device, where they are mixed with air and further cooled to form ice cream. The stirrer needs to realize the stirring of the materials and the supply of the ice cream cake materials of the materials. In the prior art, the stirrer structure is complex, the stirring unit and the scraping unit are separately arranged, and in addition, a material pushing unit is also required. Therefore, its chamber is large, and because the residence time of the materials in the material chamber is irregular, the energy consumption is high and the shape of the ice cream cake materials is unstable. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a stirrer structure on an ice cream machine for the above problems existing in the prior art. The technical problem to be solved by the utility model is to simplify the stirrer structure of the ice cream machine.

[0004] The purpose of the utility model can be achieved by the following technical solutions: A stirrer structure on an ice cream machine, characterized in that it includes a spiral material guiding and stirring blade, a spiral material feeding disc and several positioning shafts. The spiral material feeding disc is fixed at the front end of the spiral material guiding and stirring blade. The positioning shafts are circumferentially and evenly distributed outside the refrigeration inner cylinder. The spiral material guiding and stirring blade is fixedly connected with the positioning shafts. There is a gap between the spiral material guiding and stirring blade and the outer wall of the refrigeration inner cylinder. A scraper parallel to the positioning shaft is fixedly arranged on the positioning shaft. The scraper is closely attached to the outer wall of the refrigeration inner cylinder. The length of the scraper is less than the length of the refrigeration inner cylinder. Adjacent scrapers are staggeredly distributed. The scraping areas of all the scrapers on the refrigeration inner cylinder cover the entire outer peripheral wall surface of the refrigeration inner cylinder.

[0005] The outer side of the spiral material guiding and stirring blade is close to the inner wall of the freezing cylinder barrel.

[0006] As another option, the length of a single scraper can be the same as the length of the refrigeration inner cylinder. Each scraper is symmetrically distributed outside the refrigeration inner cylinder. A scraper is arranged on each positioning shaft.

[0007] Furthermore, a pressing elastic piece is fixedly arranged on the scraper. The free end of the pressing elastic piece presses against the positioning shaft. The pressing elastic piece can drive the scraper to press against the outer wall surface of the refrigeration inner cylinder, thereby ensuring the scraping efficiency and scraping effect of the scraper. The pressing elastic piece is an elastic part, such as a plastic part, and can be integrally formed with the scraper. The free end of the pressing elastic piece presses against the positioning shaft or the connecting sleeve of the spiral material guiding and stirring blade and the positioning shaft, and has a pressing force for driving the scraper to press against the refrigeration inner cylinder.

[0008] The stirrer not only has a simple structure, but also can achieve material hanging on the inner wall of the freezing cylinder and the outer wall of the refrigeration inner cylinder. The principle is as follows: there is a gap between the spiral guiding and stirring blade and the outer wall of the refrigeration inner cylinder. The existence of this gap enables the spiral guiding and stirring blade to stir the material when rotating. While stirring, each scraper can scrape the outer wall surface of the refrigeration inner cylinder. The length of a single scraper is less than the length of the refrigeration inner cylinder, ensuring the existence of the stirring and leakage gap and realizing full coverage of material hanging on the outer wall surface of the refrigeration inner cylinder. The expanded ice cream cake material is extruded through the spiral feeding tray. The structure of the stirrer is simple and reliable, realizing multiple functions such as stirring, pushing, discharging, and material hanging. Description of the Drawings

[0009] Figure 1 is the front view of this ice cream machine.

[0010] Figure 2 is Figure 1 the sectional view taken along the A-A direction in

[0011] Figure 3 is the three-dimensional view of the stirrer.

[0012] Figure 4 is the three-dimensional view of the stirrer after removing the freezing cylinder.

[0013] In the figure, 1 is the spiral guiding and stirring blade; 2 is the spiral feeding tray; 3 is the positioning shaft; 4 is the refrigeration inner cylinder; 5 is the scraper; 6 is the freezing cylinder; 7 is the pressing spring piece. Detailed Embodiment

[0014] The following are specific embodiments of the present invention and in combination with the drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0015] As Figure 1 , Figure 2 and Figure 3 shown, the stirrer structure on the ice cream machine includes a spiral guiding and stirring blade 1, a spiral feeding tray 2, and several positioning shafts 3. The spiral feeding tray 2 is fixed at the front end of the spiral guiding and stirring blade 1. Each positioning shaft 3 is circumferentially and evenly distributed outside the refrigeration inner cylinder 4. The spiral guiding and stirring blade 1 is fixedly connected to the positioning shaft 3. There is a gap between the spiral guiding and stirring blade 1 and the outer wall of the refrigeration inner cylinder 4. A scraper 5 parallel to the positioning shaft 3 is fixedly arranged on the positioning shaft 3. The scraper 5 is close to the outer wall of the refrigeration inner cylinder 4. The length of the scraper 5 is less than the length of the refrigeration inner cylinder 4. Adjacent scrapers 5 are staggeredly distributed. The scraping areas of all the scrapers 5 on the refrigeration inner cylinder 4 cover the entire outer peripheral wall surface of the refrigeration inner cylinder 4. The outside of the spiral guiding and stirring blade 1 is close to the inner wall of the freezing cylinder 6.

[0016] The stirrer not only has a simple structure, but also can achieve material hanging on the inner wall of the freezing cylinder 6 and the outer wall of the refrigeration inner cylinder 4. The principle is as follows: There is a gap between the spiral feeding and stirring blade 1 and the outer wall of the refrigeration inner cylinder 4. The existence of this gap enables the spiral feeding and stirring blade 1 to stir the material when rotating. While stirring, each scraper 5 can scrape the outer wall surface of the refrigeration inner cylinder 4. The length of a single scraper 5 is less than the length of the refrigeration inner cylinder 4, ensuring the existence of the stirring and leakage gap and also achieving full coverage material hanging on the outer wall surface of the refrigeration inner cylinder 4. The expanded ice cream cake material is extruded through the spiral feeding tray 2. The structure of the stirrer is simple and reliable, realizing various functions such as stirring, pushing, discharging, and material hanging.

[0017] In addition, a pressing elastic piece 7 is fixedly arranged on the scraper 5, and the free end of the pressing elastic piece 7 abuts against the positioning shaft 3. The pressing elastic piece 7 can drive the scraper to press against the outer wall surface of the refrigeration inner cylinder 6, thereby ensuring the scraping efficiency and scraping effect of the scraper. The pressing elastic piece is an elastic part, such as a plastic part, and can be integrally formed with the scraper. The free end of the pressing elastic piece 7 abuts against the positioning shaft 3 or the connecting sleeve of the spiral feeding and stirring blade and the positioning shaft 3, and has a pressing force for driving the scraper 5 to press against the refrigeration inner cylinder 6.

[0018] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art of the present invention can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. The structure of a stirrer on an ice cream machine, characterized in that, It includes a spiral guiding and stirring blade (1), a spiral feeding disk (2) and several positioning shafts (3). The spiral feeding disk (2) is fixed at the front end of the spiral guiding and stirring blade (1). The positioning shafts (3) are circumferentially and evenly distributed outside the refrigeration inner cylinder (4). The spiral guiding and stirring blade (1) is fixedly connected to the positioning shafts (3). There is a gap between the spiral guiding and stirring blade (1) and the outer wall of the refrigeration inner cylinder (4). A scraper (5) parallel to the positioning shaft (3) is fixedly arranged on the positioning shaft (3), and the scraper (5) is in close contact with the outer wall of the refrigeration inner cylinder (4).

2. The structure of the stirrer on an ice cream machine according to claim 1, wherein, The length of the scraper (5) is less than the length of the refrigeration inner cylinder (4), and adjacent scrapers (5) are staggeredly distributed. The scraping areas of all the scrapers (5) on the refrigeration inner cylinder (4) cover the entire outer peripheral wall surface of the refrigeration inner cylinder (4).

3. The structure of the stirrer on an ice cream machine according to claim 1, characterized in that, The length of the scraper (5) corresponds to the length of the refrigeration inner cylinder (4), and one scraper (5) is arranged on each positioning shaft (3).

4. The stirrer structure on an ice cream machine according to claim 1 or 2 or 3, characterized in that, A pressing spring piece (7) is fixedly arranged on the scraper (5), and the free end of the pressing spring piece (7) presses against the positioning shaft (3).

5. The stirrer structure on an ice cream machine according to claim 1 or 2 or 3, characterized in that, The outside of the spiral guiding and stirring blade (1) is close to the inner wall of the freezing cylinder (6).

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