Extrusion bulking device of wet bulking machine

Abstract

The utility model relates to the technical field of bulking machines, in particular to an extrusion bulking device of a wet bulking machine, which comprises a machine body, the machine body comprises a rack, and the upper surface of the rack is fixedly connected with an extrusion cylinder. According to the device, the threaded rod rotates to drive the first moving block to move, then the housing can drive the extrusion screw rod and the first motor to move along with the first moving block under the action of the first moving block, and then butt joint and separation of the housing and the extrusion cylinder can be achieved; the cover shell and the extrusion cylinder are convenient to install, the extrusion screw can be moved out of the inner side of the extrusion cylinder through separation of the cover shell and the extrusion cylinder, then the extrusion screw can be conveniently cleaned, repaired and maintained, the cover shell does not need to be removed with the help of a tool when maintenance is needed, and therefore the use effect of the extrusion screw can be guaranteed; and the extrusion screw can be used for better extruding and puffing the materials.

Description

Technical Field

[0001] The utility model relates to the technical field of puffing machines, in particular to an extrusion puffing device of a wet puffing machine. Background Art

[0002] Wet extruder is a kind of mechanical equipment specially used for producing extruded food or feed. Extrusion technology expands the volume rapidly and forms a porous structure by subjecting the raw materials to instant high temperature and high pressure. Wet extrusion is different from dry extrusion. It adds a certain amount of water or steam during the extrusion process to achieve better extrusion effect. The extrusion device is the core part of the wet extruder, which is mainly responsible for extruding, shearing and puffing the wet material. The device usually includes one or more extrusion screws and an extrusion chamber. The screw rotates under the drive of the motor to push the wet material from the feed port to the discharge port. During the extrusion process, the material is subjected to strong shear force and friction between the screw and the wall of the extrusion chamber, as well as high temperature and high pressure, thereby achieving the expansion of the material.

[0003] In the prior art, when materials are extruded and puffed by an extrusion puffing device, after long-term use, there may be accumulation and residue of materials on the surface of the extrusion screw, so it is necessary to clean it. In addition, the extrusion screw will have certain wear and tear during long-term use, so it is necessary to repair and maintain it. After the extrusion screw is installed inside the extrusion barrel, bolts and other tools are usually used to install and fix the cover of the extrusion barrel. When the extrusion screw needs to be cleaned, repaired or maintained, the cover needs to be removed with the help of tools, which makes the cleaning and maintenance of the extrusion screw inconvenient and cannot well ensure the extrusion screw for extrusion and puffing of materials. Therefore, in order to solve the above problems, an extrusion puffing device of a wet extruder is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide an extrusion puffing device of a wet extruder to solve the problem mentioned in the above background technology that when the extrusion screw needs to be cleaned, repaired or maintained, the cover shell needs to be removed with the help of tools, which makes the cleaning and maintenance of the extrusion screw inconvenient and cannot well ensure the extrusion puffing of the material by the extrusion screw.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an extrusion puffing device of a wet puffing machine, comprising a machine body, the machine body comprising a frame, an extrusion barrel is fixedly connected to the upper surface of the frame, a feed port is fixedly connected to the top of the extrusion barrel, a cover shell is arranged on the surface of the frame, an extrusion screw is movably connected to the inner side of the cover shell, a first motor is fixedly installed on the surface of the cover shell, the extrusion screw is fixedly connected to the output end of the first motor, and a discharge port is arranged on the inner side of the extrusion barrel;

[0006] A docking mechanism is provided on the surface of the cover shell, and the docking mechanism includes a movable groove, which is opened on the inner side of the frame, and a threaded rod is movably connected to the inner side of the movable groove. A second motor is fixedly installed on the surface of the frame, and a first moving block is threadedly connected to the surface of the threaded rod, and the cover shell is fixedly connected to the inner side of the first moving block.

[0007] Preferably, the docking mechanism also includes a limit block, which is fixedly connected to the surface of the first movable block, the inner wall of the movable groove is provided with a limit groove, the surface of the extrusion cylinder is fixedly connected with a fixing ring, and the inner surface of the cover shell is provided with a circular groove.

[0008] Preferably, the threaded rod is movably connected to the frame, and the threaded rod is fixedly connected to the output end of the second motor.

[0009] Preferably, one end of the limit block is fixedly connected to the first movable block, and the other end of the limit block is movably connected to the limit groove, and the circular groove is annularly opened on the inner surface of the cover shell.

[0010] Preferably, a scraping mechanism is provided on the inner side of the extrusion cylinder, and the scraping mechanism includes a connecting plate, the connecting plate is fixedly connected to the surface of the extrusion cylinder, the inner side of the connecting plate is movably connected with a reciprocating screw, a third motor is fixedly installed on the surface of the connecting plate, the reciprocating screw and the output end of the third motor are fixedly connected, the surface of the reciprocating screw is movably connected with a second moving block, the surface of the second moving block is fixedly connected with a scraper, the surface of the second moving block is fixedly connected with a slider, and a sliding groove is provided on the inner wall of the connecting plate.

[0011] Preferably, one end of the sliding block is fixedly connected to an end of the second moving block away from the scraper, and the other end of the sliding block is movably connected to the sliding groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The first moving block can be driven to move by the rotation of the threaded rod, and then the cover shell will drive the extrusion screw and the first motor to move under the action of the first moving block, so that the cover shell and the extrusion barrel can be docked and separated. The docking of the cover shell and the extrusion barrel makes the installation of the cover shell and the extrusion barrel more convenient. The separation of the cover shell and the extrusion barrel can move the extrusion screw out of the inner side of the extrusion barrel, which is convenient for cleaning, repair and maintenance. When maintenance is required, there is no need to remove the cover shell with the help of tools, thereby ensuring the use effect of the extrusion screw and facilitating the extrusion screw to extrude and expand the material better.

[0014] 2. Through the rotation of the reciprocating screw, the second moving block can move back and forth on the inner side of the connecting plate, and then the scraper will move accordingly. The movement of the scraper can scrape the inner wall of the extrusion barrel, thereby avoiding the adhesion and accumulation of materials, facilitating the removal of materials, ensuring the smooth flow of the extrusion barrel, allowing the materials to pass evenly and continuously, thereby better ensuring the extrusion and puffing effect of the materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic cross-sectional front view of the structure of the utility model;

[0016] Figure 2 It is a schematic side cross-sectional view of the structure of the first moving block and the cover shell of the utility model;

[0017] Figure 3 It is a schematic top view and cross-sectional view of the structure of the reciprocating screw rod and the scraper of the utility model;

[0018] Figure 4 It is a schematic side cross-sectional view of the structure of the reciprocating screw rod and the scraper of the utility model.

[0019] In the figure: 1. frame; 11. extrusion cylinder; 12. feed port; 13. cover shell; 14. extrusion screw; 15. first motor; 16. discharge port; 2. movable groove; 21. threaded rod; 22. second motor; 23. first moving block; 24. limit block; 25. limit groove; 26. fixing ring; 27. circular groove; 3. connecting plate; 31. reciprocating screw; 32. third motor; 33. second moving block; 34. scraper; 35. slider; 36. slide groove. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 , an embodiment provided by the utility model:

[0022] The first motor 15, the second motor 22 and the third motor 32 used in the present application are products that can be directly purchased on the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be described in detail here.

[0023] A wet extruder extrusion device comprises a machine body, which comprises a frame 1, an extrusion barrel 11 is fixedly connected to the upper surface of the frame 1, a feed port 12 is fixedly connected to the top of the extrusion barrel 11, a cover shell 13 is arranged on the surface of the frame 1, an extrusion screw 14 is movably connected to the inner side of the cover shell 13, a first motor 15 is fixedly installed on the surface of the cover shell 13, the extrusion screw 14 is fixedly connected to the output end of the first motor 15, a discharge port 16 is arranged on the inner side of the extrusion barrel 11, wet materials are put into the inner side of the feed port 12, so that the materials can enter the extrusion barrel 11 for heating, and the extrusion screw 14 is driven to rotate by the operation of the first motor 15, so that the extrusion screw 14 can extrude and shear the materials, and the materials are pushed to the discharge port 16 under the action of the extrusion screw 14, and in the extrusion process, the materials are subjected to the strong shear force and friction force between the extrusion screw 14 and the cavity wall of the extrusion barrel 11, as well as the action of high temperature and high pressure, so that the materials can be expanded;

[0024] A docking mechanism is provided on the surface of the cover shell 13, and the docking mechanism includes a movable groove 2, which is opened on the inner side of the frame 1, and a threaded rod 21 is movably connected to the inner side of the movable groove 2. A second motor 22 is fixedly installed on the surface of the frame 1, and a first moving block 23 is threadedly connected to the surface of the threaded rod 21. The cover shell 13 is fixedly connected to the inner side of the first moving block 23. Through the movement of the first moving block 23, the cover shell 13 can drive the extrusion screw 14 and the first motor 15 to move accordingly. By driving the extrusion screw 14 to move left through the cover shell 13, the extrusion screw 14 can be moved out of the inner side of the extrusion barrel 11, and the extrusion screw 14 can be cleaned and maintained without the need to remove the cover shell 13 with the help of tools such as bolts, so that the extrusion screw 14 can better extrude and expand the material.

[0025] Furthermore, the docking mechanism also includes a limit block 24, which is fixedly connected to the surface of the first movable block 23, a limit groove 25 is provided on the inner wall of the movable groove 2, a fixing ring 26 is fixedly connected to the surface of the extrusion cylinder 11, and a circular groove 27 is provided on the inner surface of the cover shell 13. Through the setting of the fixing ring 26 and the circular groove 27, the docking of the frame 1 and the cover shell 13 can be positioned, thereby ensuring the accuracy of the docking.

[0026] Furthermore, the threaded rod 21 is movably connected to the frame 1, and the threaded rod 21 is fixedly connected to the output end of the second motor 22. The rotation of the threaded rod 21 can drive the first moving block 23 to move, and then the cover shell 13 can drive the extrusion screw 14 to move accordingly, so that the cover shell 13 and the frame 1 can be easily docked or disassembled, thereby facilitating the use and maintenance of the extrusion screw 14.

[0027] Furthermore, one end of the limit block 24 is fixedly connected to the first movable block 23, and the other end of the limit block 24 is movably connected to the limit groove 25. The circular groove 27 is annularly arranged on the inner surface of the cover shell 13. By setting the limit block 24 and the limit groove 25, the movement of the first movable block 23 can be limited, and the first movable block 23 can be prevented from being offset under the action of the threaded rod 21, so that the first movable block 23 can stably drive the cover shell 13 to move.

[0028] Furthermore, a scraping mechanism is provided on the inner side of the extrusion cylinder 11, and the scraping mechanism includes a connecting plate 3, which is fixedly connected to the surface of the extrusion cylinder 11, and a reciprocating screw 31 is movably connected to the inner side of the connecting plate 3, and a third motor 32 is fixedly installed on the surface of the connecting plate 3, and the output ends of the reciprocating screw 31 and the third motor 32 are fixedly connected, and a second moving block 33 is movably connected to the surface of the reciprocating screw 31, and a scraper 34 is fixedly connected to the surface of the second moving block 33, and a slider 35 is fixedly connected to the surface of the second moving block 33, and a slide groove 36 is provided on the inner wall of the connecting plate 3, and the rotation of the reciprocating screw 31 can drive the second moving block 33 to move, and then the scraper 34 can be moved back and forth, so that the scraper 34 can scrape the wall of the extrusion cylinder 11, which can avoid the accumulation of materials and remove the residual materials, which is conducive to ensuring the smooth flow of the extrusion cylinder 11.

[0029] Furthermore, one end of the slider 35 is fixedly connected to an end of the second movable block 33 away from the scraper 34, and the other end of the slider 35 is movably connected to the slide groove 36. Through the cooperation of the slide groove 36 and the slide groove 36, the movement of the second movable block 33 can be limited, so that the scraper 34 can move stably under the action of the second movable block 33.

[0030] Working principle: When in use, the second motor 22 is electrically connected to an external power source, and the staff starts the second motor 22 by pressing the switch. The second motor 22 drives the threaded rod 21 to rotate, and the first moving block 23 is limited by the limit block 24 and the limit groove 25. Under the action of the threaded rod 21, it will move on the inner side of the movable groove 2, so that the limit block 24 slides on the surface of the limit groove 25, and then the cover shell 13 can drive the extrusion screw 14 and the first motor 15 to move accordingly under the action of the first moving block 23. The cover shell 13 is driven to move right by the first moving block 23, and the fixing ring 26 enters the inner side of the circular groove 27, so that the extrusion cylinder 11 and the cover shell 13 can be connected, and then the extrusion screw 14 can be used, and the cover shell 13 is driven to move left by the first moving block 23, so that the extrusion screw 14 can be moved out of the inner side of the extrusion cylinder 11, so as to facilitate the cleaning, repair and maintenance of the extrusion screw 14;

[0031] The third motor 32 is electrically connected to an external power source. The staff starts the third motor 32 by pressing the switch. The operation of the third motor 32 drives the reciprocating screw 31 to rotate. The second moving block 33 is limited by the slider 35 and the slide groove 36, and will move back and forth during the rotation of the reciprocating screw 31, so that the slider 35 slides on the surface of the slide groove 36, and then the scraper 34 moves accordingly, so that the inner wall of the extrusion cylinder 11 can be scraped.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. An extrusion puffing device of a wet puffing machine, comprising a machine body, the machine body comprising a frame (1), an extrusion barrel (11) is fixedly connected to the upper surface of the frame (1), a feed port (12) is fixedly connected to the top of the extrusion barrel (11), a cover shell (13) is arranged on the surface of the frame (1), an extrusion screw (14) is movably connected to the inner side of the cover shell (13), a first motor (15) is fixedly installed on the surface of the cover shell (13), the extrusion screw (14) and the output end of the first motor (15) are fixedly connected, and a discharge port (16) is arranged on the inner side of the extrusion barrel (11); It is characterized in that The surface of the cover shell (13) is provided with a docking mechanism, the docking mechanism comprising a movable groove (2), the movable groove (2) is opened on the inner side of the frame (1), the inner side of the movable groove (2) is movably connected to a threaded rod (21), a second motor (22) is fixedly mounted on the surface of the frame (1), the surface of the threaded rod (21) is threadedly connected to a first moving block (23), and the cover shell (13) is fixedly connected to the inner side of the first moving block (23).

2. The wet extruder extrusion puffing device according to claim 1, characterized in that: The docking mechanism also includes a limit block (24), the limit block (24) is fixedly connected to the surface of the first movable block (23), the inner wall of the movable groove (2) is provided with a limit groove (25), the surface of the extrusion cylinder (11) is fixedly connected with a fixing ring (26), and the inner surface of the cover shell (13) is provided with a circular groove (27).

3. The wet extruder extrusion puffing device according to claim 1, characterized in that: The threaded rod (21) is movably connected to the frame (1), and the threaded rod (21) is fixedly connected to the output end of the second motor (22).

4. The wet extruder extrusion puffing device according to claim 2, characterized in that: One end of the limit block (24) is fixedly connected to the first moving block (23), and the other end of the limit block (24) is movably connected to the limit groove (25). The circular groove (27) is annularly formed on the inner surface of the cover shell (13).

5. The wet extruder extrusion puffing device according to claim 1, characterized in that: A wall scraping mechanism is arranged on the inner side of the extrusion cylinder (11), and the wall scraping mechanism comprises a connecting plate (3), the connecting plate (3) is fixedly connected to the surface of the extrusion cylinder (11), the inner side of the connecting plate (3) is movably connected to a reciprocating screw (31), the surface of the connecting plate (3) is fixedly mounted with a third motor (32), the reciprocating screw (31) and the output end of the third motor (32) are fixedly connected, the surface of the reciprocating screw (31) is movably connected to a second moving block (33), the surface of the second moving block (33) is fixedly connected to a scraper (34), the surface of the second moving block (33) is fixedly connected to a slider (35), and the inner wall of the connecting plate (3) is provided with a sliding groove (36).

6. The wet extruder extrusion puffing device according to claim 5, characterized in that: One end of the slider (35) is fixedly connected to an end of the second moving block (33) away from the scraper (34), and the other end of the slider (35) is movably connected to the slide groove (36).

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