Multi-stage squeezing device

Abstract

The utility model discloses a multi-stage squeezing device which comprises a machine frame, a squeezing cage and a squeezing screw, and the machine frame is provided with a driving structure. One end of the pressing cage is connected with the rack, the other end of the pressing cage is provided with a slag discharging port, and the top of one side, close to the rack, of the pressing cage is provided with a feeding port; the pressing screw is rotatably arranged in the pressing cage and comprises a first-stage pressing section, a first-stage residue discharging section, a second-stage pressing section and a second-stage residue discharging section which are sequentially connected, a first water outlet and a second water outlet are formed in the bottom of the pressing cage and correspond to the first-stage pressing section and the second-stage pressing section respectively, the first-stage pressing section is connected with a driving structure, and the second-stage pressing section is connected with a second-stage residue discharging section. The outer surface of the first-stage residue discharging section is free of threads, the thread pitch of the second-stage residue discharging section is smaller than that of the first-stage residue discharging section, and the second-stage residue discharging section extends to the residue discharging opening. The multi-stage squeezing device provided by the embodiment of the utility model can improve the juice yield through multi-stage squeezing.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pressing device technical field, especially a kind of multistage pressing device. BACKGROUND

[0002] Most of the juicing equipment in the market currently adopts spiral juicer, when spiral juicer operates, the processed material enters the cage from the hopper, and the material is continuously pushed inwards by the rotation of the pressing screw, and the material is pressed. However, the spiral juicer in the prior art can usually only perform primary pressing on the material, the juice yield is low, and the material still contains a lot of moisture, causing resource waste. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides a multistage pressing device, which can improve the juice yield through multistage pressing.

[0004] According to the multistage pressing device provided by the utility model, the multistage pressing device comprises a rack, a cage and a pressing screw, the rack is provided with a driving structure, one end of the cage is connected to the rack, the other end of the cage is provided with a residue discharge port, and a feeding port is arranged on the top of the side of the cage close to the rack; the pressing screw is rotatably arranged in the cage, the pressing screw comprises a first pressing section, a first residue discharge section, a second pressing section and a second residue discharge section connected in sequence, the bottom of the cage is respectively provided with a first water outlet and a second water outlet corresponding to the first pressing section and the second pressing section, the first pressing section is connected to the driving structure to realize the rotation of the pressing screw, the outer surface of the first residue discharge section is threadless, the pitch of the second pressing section is smaller than that of the first pressing section, and the second residue discharge section extends to the residue discharge port.

[0005] According to the multistage pressing device provided by the utility model, the multistage pressing device comprises a rack, a cage and a pressing screw, the rack is provided with a driving structure, one end of the cage is connected to the rack, the other end of the cage is provided with a residue discharge port, and a feeding port is arranged on the top of the side of the cage close to the rack; the pressing screw is rotatably arranged in the cage, the pressing screw comprises a first pressing section, a first residue discharge section, a second pressing section and a second residue discharge section connected in sequence, the bottom of the cage is respectively provided with a first water outlet and a second water outlet corresponding to the first pressing section and the second pressing section, the first pressing section is connected to the driving structure to realize the rotation of the pressing screw, the outer surface of the first residue discharge section is threadless, the pitch of the second pressing section is smaller than that of the first pressing section, and the second residue discharge section extends to the residue discharge port.

[0006] The multistage pressing device provided by the utility model embodiment can improve the extraction efficiency of moisture by setting the first pressing section and the second pressing section with different pitches, so that the moisture in the material can be more completely separated out through the way of gradually increasing pressure, thereby reducing the moisture content in the residue. By setting the first residue discharge section with threadless surface, the smooth discharge of the material is facilitated, the operation interruption caused by material accumulation is reduced, the operation process is simplified, and the production efficiency is improved. By dividing the different stages of the pressing screw into zones and setting independent water outlets, the squeezed-out moisture can be discharged in time, the moisture is prevented from being retained in the cage, the quality of the product is improved, the internal structure of the equipment is more clear, the daily maintenance and cleaning work is facilitated, and the maintenance cost is reduced.

[0007] According to some embodiments of the present application, the major diameter of the pressing screw gradually decreases in a direction away from the driving structure, and the pitch of the pressing screw is fixedly unchanged.

[0008] According to some embodiments of the present application, the pitch of the first-stage pressing section gradually decreases in a direction close to the first-stage slagging section.

[0009] According to some embodiments of the present application, the first-stage pressing section comprises a straight section and an arc section connected in sequence, the pitch of the straight section is fixedly unchanged, the pitch of the arc section gradually decreases in a direction away from the straight section, and the minor diameter of the arc section gradually increases in a direction away from the straight section.

[0010] According to some embodiments of the present application, the diameter of the first-stage slagging section gradually decreases in a direction away from the first-stage pressing section.

[0011] According to some embodiments of the present application, the minor diameter of the second-stage pressing section gradually decreases in a direction away from the first-stage slagging section, and the pitch of the second-stage pressing section gradually decreases in a direction away from the first-stage slagging section.

[0012] According to some embodiments of the present application, the minor diameter of the second-stage slagging section gradually decreases in a direction away from the second-stage pressing section, and the pitch of the second-stage slagging section is smaller than the pitch of the second-stage pressing section.

[0013] According to some embodiments of the present application, the multi-stage pressing device further comprises a machine shell connected to the side surface of the machine frame, the cage is arranged in the machine shell, the top of the machine shell is provided with a feeding hopper communicating with the feeding port, the end of the machine shell away from the machine frame is provided with a slag blocking cover communicating with the slag discharging port, and the lower end of the slag blocking cover is open.

[0014] According to some embodiments of the present application, the feeding hopper comprises a feeding disc and a feeding pipeline, the transverse dimension of the feeding disc is greater than the radial dimension of the feeding pipeline, the bottom of the feeding disc is connected to the feeding port through the feeding pipeline, and the feeding pipeline is arranged in an inclined manner.

[0015] According to some embodiments of the present application, the first water outlet is provided with a filter screen, the second water outlet comprises a plurality of uniformly distributed filter holes, or the second water outlet is provided with a filter screen, and the bottom of the machine shell is provided with a discharging port communicating with the first water outlet and the second water outlet.

[0016] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described below in combination with the drawings and embodiments, in which:

[0018] Figure 1 Structure diagram of multistage squeezing device for some embodiments of the utility model;

[0019] Figure 2 Structure diagram of multistage squeezing device for some embodiments of the utility model;

[0020] Figure 3 Structure diagram of squeezing screw for some embodiments of the utility model.

[0021] Among them, the reference signs:

[0022] Frame 100; motor 110;

[0023] Squeezing cage 200; deslagging port 201; feed port 202; first water outlet 203; second water outlet 204;

[0024] Squeezing screw 300; primary squeezing section 310; flat section 311; arc section 312; primary deslagging section 320; secondary squeezing section 330; secondary deslagging section 340;

[0025] Machine shell 400; discharge port 401; deslagging cover 410; feed disc 420; feed pipeline 430; pressing rod 440. DETAILED DESCRIPTION

[0026] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0027] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship of up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as the limitation of the utility model.

[0028] In the description of the utility model, if several meanings are one or more, the meaning of multiple is two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number. If it is described to the first, the second is only used for distinguishing the purpose of technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0029] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood in a broad sense, and the person skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme. In the description of the utility model, the description of reference terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner. In the description of the present application, the description of reference terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0030] Referring to Figures 1 to 3The utility model provides a kind of multistage squeezing device, including rack 100, squeeze cage 200 and squeezing screw 300, rack 100 is equipped with driving structure;One end of squeeze cage 200 is connected rack 100, and the other end of squeeze cage 200 is provided with slag discharge port 201, and the top of the side of squeeze cage 200 close to rack 100 is provided with feed inlet 202;Squeezing screw 300 is rotatably set in squeeze cage 200, and squeezing screw 300 includes sequentially connected first stage squeezing section 310, first stage slag discharge section 320, second stage squeezing section 330 and second stage slag discharge section 340, and the bottom of squeeze cage 200 is provided with first water outlet 203 and second water outlet 204 respectively corresponding first stage squeezing section 310 and second stage squeezing section 330, first stage squeezing section 310 is connected driving structure, to realize the rotation of squeezing screw 300, the outer surface of first stage slag discharge section 320 is without thread, the pitch of second stage squeezing section 330 is less than the pitch of first stage squeezing section 310, and second stage slag discharge section 340 extends to slag discharge port 201.

[0031] Specifically, the multistage squeezing device provided by the utility model embodiment sets first stage squeezing section 310 and second stage squeezing section 330 with different pitches, so that the material is subjected to different degrees of pressure in different stages, the moisture in the material is separated more completely through the way of gradually increasing pressure, the extraction efficiency of moisture is improved, and the moisture content in residue is reduced. By setting first stage slag discharge section 320 without thread on the surface, the material is smoothly discharged, the operation interruption caused by material accumulation is reduced, the operation process is simplified, and the production efficiency is improved. By partitioning different stages of squeezing screw 300 and setting independent water outlets, the squeezed moisture is discharged in time, the moisture is prevented from remaining in squeeze cage 200, the quality of product is improved, the internal structure of equipment is more clear, daily maintenance and cleaning work are facilitated, and maintenance cost is reduced.

[0032] Further, referring to Figure 2 and Figure 3 According to some embodiments of the utility model, the major diameter of squeezing screw 300 gradually decreases in the direction away from driving structure, and the distance between the spiral of squeezing screw 300 and squeeze cage 200 is fixed, so that the space of material in squeeze cage 200 can be continuously compressed, so that the material is fully squeezed, and the juice yield is improved.

[0033] Further, referring to Figure 2 and Figure 3 The pitch of first stage squeezing section 310 gradually decreases in the direction close to first stage slag discharge section 320.

[0034] It can be understood that the gradually decreasing diameter of the pressing screw 300 can continuously increase the extrusion degree of the material in the longitudinal direction, and the gradually decreasing pitch of the first pressing section 310 can continuously increase the extrusion degree of the material in the transverse direction, so as to ensure that the material is fully extruded from all directions, so that the water in the material is continuously extruded out, thereby improving the juice yield and improving the juicing efficiency.

[0035] Further, referring to Figure 2 and Figure 3 According to some embodiments of the present application, the first pressing section 310 includes a straight section 311 and an arc section 312 connected in sequence, the pitch of the straight section 311 is fixed and unchanged, and the pitch of the arc section 312 gradually decreases in the direction away from the straight section 311, and the small diameter of the arc section 312 gradually increases in the direction away from the straight section 311.

[0036] It can be understood that the material is preliminarily pressed in the straight section 311, and after the material enters the arc section 312, the gradually decreasing pitch of the arc section 312 can continuously increase the extrusion degree of the material in the transverse direction, so as to ensure that the material is fully extruded from all directions, so that the water in the material is continuously extruded out, and at the same time, the gradually increasing small diameter of the arc section 312 can continuously compress the space of the material in the squeezer 200, so that the material is fully extruded, thereby improving the juice yield and improving the juicing efficiency.

[0037] Further, referring to Figure 2 and Figure 3 According to some embodiments of the present application, the diameter of the first discharge section 320 gradually decreases in the direction away from the first pressing section 310, which helps to prevent material blockage, simplifies the operation process, and improves the production efficiency.

[0038] Further, referring to Figure 2 and Figure 3 According to some embodiments of the present application, the small diameter of the second pressing section 330 gradually decreases in the direction away from the first discharge section 320, and the pitch of the second pressing section 330 gradually decreases in the direction away from the first discharge section 320.

[0039] It can be understood that the gradually decreasing pitch of the second pressing section 330 can continuously increase the extrusion degree of the material in the transverse direction, so as to ensure that the material is fully extruded from all directions, so that the water in the material is continuously extruded out, thereby improving the juice yield and improving the juicing efficiency.

[0040] It should be noted that, in the embodiments of the present application, the gradual decrease of the small diameter of the secondary squeezing section 330 is an adaptive change with the gradual decrease of the large diameter of the secondary squeezing section 330, that is, the difference between the large diameter and the small diameter of the secondary squeezing section 330 is constant, so that the space of the material in the squeezer cage 200 does not gradually increase when the material enters the secondary squeezing section 330, thereby ensuring the efficiency of juice extraction, but not limited thereto, and improvements can be made according to actual needs in actual application.

[0041] Further, referring to Figure 2 and Figure 3 , according to some embodiments of the present application, the small diameter of the secondary slagging section 340 gradually decreases away from the direction of the secondary squeezing section 330, and the pitch of the secondary slagging section 340 is smaller than the pitch of the secondary squeezing section 330, so that the material can be smoothly discharged, which helps to prevent material blockage, simplifies the operation process and improves production efficiency.

[0042] It should be noted that, in the embodiments of the present application, the outer surface of the secondary slagging section 340 can also not be provided with threads, which can be determined according to actual conditions, and will not be described here.

[0043] It should be noted that, in the embodiments of the present application, the gradual decrease of the small diameter of the secondary slagging section 340 is an adaptive change with the gradual decrease of the large diameter of the secondary slagging section 340, that is, the difference between the large diameter and the small diameter of the secondary slagging section 340 is constant, so that the space of the material in the squeezer cage 200 does not gradually increase when the material enters the secondary slagging section 340, thereby ensuring the efficiency of juice extraction, but not limited thereto, and improvements can be made according to actual needs in actual application.

[0044] Further, referring to Figure 2 , according to some embodiments of the present application, the driving structure includes a motor 110, the motor 110 is installed in the rack 100, and the output shaft of the motor 110 is connected to the primary squeezing section 310 to drive the squeezing screw 300 to rotate, but not limited thereto, the driving structure can also be in other structural forms, which can be determined according to actual conditions, and will not be described here.

[0045] Further, referring to Figure 3 and Figure 2 , according to some embodiments of the present application, the multi-stage squeezing device further comprises a machine shell 400 connected to the side surface of the rack 100, the squeezer cage 200 is arranged in the machine shell 400, the top of the machine shell 400 is provided with a feed hopper communicating with the feed inlet 202, and the end of the machine shell 400 away from the rack 100 is provided with a slag blocking cover 410 communicating with the slag discharge port 201, and the lower end of the slag blocking cover 410 is open.

[0046] Specifically, the material is put into the cage 200 through the feed hopper, and in actual use, a pressing rod 440 can be inserted into the feed hopper to press the material downward, so as to improve the feeding efficiency. The design of the slag baffle 410 makes it more convenient to discharge slag, which is conducive to centralized management and treatment of the slag.

[0047] Further, referring to Figure 1 and Figure 2 According to some embodiments of the present application, the feed hopper comprises a feed disc 420 and a feed pipe 430, the lateral dimension of the feed disc 420 is greater than the radial dimension of the feed pipe 430, the bottom of the feed disc 420 is connected to the feed port 202 through the feed pipe 430, and the feed pipe 430 is inclined, which helps the material to enter the cage 200 uniformly, improves the feeding conditions and improves the feeding efficiency.

[0048] Further, referring to Figure 1 Figure 2 Figure 2 According to some embodiments of the present application, the first water outlet 203 is provided with a filter screen, the second water outlet 204 comprises a plurality of uniformly distributed filter holes, or the second water outlet 204 is provided with a filter screen, which can effectively remove impurities in the water, improve product quality, and facilitate cleaning and maintenance of the equipment. The bottom of the casing 400 is provided with a discharge port 401 connected to the first water outlet 203 and the second water outlet 204, which helps to collect the water pressed by the first pressing section 310 and the second pressing section 330 respectively.

[0049] Further, according to some embodiments of the present application, the first water outlet 203 can also comprise a plurality of uniformly distributed filter holes, or the first water outlet 203 and the second water outlet 204 are both provided with filter screens or both comprise a plurality of uniformly distributed filter holes, which can be determined according to actual needs. Further, the filter holes can also be unevenly distributed, which can be determined according to actual needs.

[0050] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A multi-stage pressing device, characterized in that: include: a frame, wherein the frame is equipped with a drive structure; A pressing cage, one end of which is connected to the frame, a slag discharge port is provided at the other end of the pressing cage, and a feed port is provided at the top of the pressing cage on one side close to the frame; A pressing screw is rotatably arranged in the pressing cage, and the pressing screw includes a primary pressing section, a primary slag discharge section, a secondary pressing section and a secondary slag discharge section connected in sequence. The bottom of the pressing cage is respectively provided with a first water outlet and a second water outlet corresponding to the primary pressing section and the secondary pressing section. The primary pressing section is connected to the driving structure to realize the rotation of the pressing screw. The outer surface of the primary slag discharge section is not threaded, the pitch of the secondary pressing section is smaller than the pitch of the primary pressing section, and the secondary slag discharge section extends to the slag discharge port.

2. The multi-stage pressing device according to claim 1, characterized in that: The major diameter of the squeezing screw gradually decreases in a direction away from the driving structure, and the distance between the squeezing screw and the squeezing cage remains fixed.

3. The multi-stage pressing device according to claim 2, characterized in that: The pitch of the first-level pressing section decreases step by step toward the first-level slag discharge section.

4. The multi-stage pressing device according to claim 3, characterized in that: The primary pressing section includes a straight section and an arc section connected in sequence. The pitch of the straight section is fixed, the pitch of the arc section gradually decreases away from the straight section, and the diameter of the arc section gradually increases away from the straight section.

5. The multi-stage pressing device according to claim 4, characterized in that: The diameter of the first-stage slag discharge section gradually decreases in a direction away from the first-stage pressing section.

6. The multi-stage pressing device according to claim 5, characterized in that: The minor diameter of the secondary pressing section gradually decreases in the direction away from the primary slag discharge section, and the pitch of the secondary pressing section gradually decreases in the direction away from the primary slag discharge section.

7. The multi-stage pressing device according to claim 6, characterized in that: The minor diameter of the secondary slag discharge section gradually decreases in the direction away from the secondary pressing section, and the pitch of the secondary slag discharge section is smaller than the pitch of the secondary pressing section.

8. The multi-stage pressing device according to claim 1, characterized in that: The multi-stage pressing device also includes a casing, which is connected to the side of the frame. The pressing cage is arranged in the casing. A feed hopper connected to the feed port is provided on the top of the casing. A slag stop cover connected to the slag discharge port is provided at one end of the casing away from the frame, and the lower end of the slag stop cover is open.

9. The multi-stage pressing device according to claim 8, characterized in that: The feed hopper includes a feed tray and a feed pipe. The lateral dimension of the feed tray is larger than the radial dimension of the feed pipe. The bottom of the feed tray is connected to the feed port through the feed pipe. The feed pipe is arranged at an angle.

10. The multi-stage pressing device according to claim 9, characterized in that: The first water outlet is provided with a filter screen, the second water outlet includes a plurality of evenly distributed filter holes, or the second water outlet is provided with a filter screen, and the bottom of the housing is provided with a discharge port connecting the first water outlet and the second water outlet.

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