Conical double-screw extruder with detachable screw cylinder

Abstract

The utility model provides a conical twin-screw extruder with a detachable screw cylinder, which comprises a detachable component, the detachable component comprises a first U-shaped mounting rack, a feed bin, a screw cylinder, a moving mechanism, a movable block, a plurality of first balls, a hydraulic push rod, a second U-shaped mounting rack, a plurality of traveling wheels and two fixing mechanisms, the feeding bin is arranged on the upper surface of the first U-shaped mounting frame, and the screw cylinder is clamped to the inner wall of the feeding bin; the two fixing mechanisms are arranged on the first U-shaped mounting frame and the second U-shaped mounting frame; the screw cylinder is driven by the moving mechanism to be pulled out of the feeding bin, and then the movable block is driven by the hydraulic push rod to move downwards. The movable block drives the screw cylinder to move downwards, the screw cylinder can be conveniently overhauled and replaced, the screw cylinder can be installed through reverse operation, operation is convenient, the working efficiency is improved, and the working intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of conical twin-screw extruders, in particular to a conical twin-screw extruder with a detachable screw barrel. Background Art

[0002] The conical twin-screw extruder is a highly efficient mixing and extrusion equipment. It has the characteristics of low shear rate, difficult material decomposition, uniform plasticizing and mixing, stable quality, high output, wide application range and long service life.

[0003] During the use of a conical twin-screw extruder, the screw barrel needs to be disassembled, replaced or repaired. The screw barrel on the existing conical twin-screw extruder is usually not removable, which limits the flexibility of the use of the screw barrel. In addition, during maintenance, it is inconvenient for relevant personnel to repair it on the equipment, which increases the workload and reduces work efficiency. Therefore, a conical twin-screw extruder with a detachable screw barrel is proposed. Utility Model Content

[0004] In view of this, the embodiments of the present invention hope to provide a conical twin-screw extruder with a detachable screw barrel to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0005] The technical solution of the embodiment of the present utility model is implemented as follows: a conical twin-screw extruder with a detachable screw barrel, comprising a detachable component, wherein the detachable component comprises a first U-shaped mounting frame, a feed bin, a screw barrel, a moving mechanism, a movable block, a plurality of first balls, a hydraulic push rod, a second U-shaped mounting frame, a plurality of walking wheels and two fixing mechanisms, wherein the feed bin is arranged on the upper surface of the first U-shaped mounting frame, and the screw barrel is clamped to the inner wall of the feed bin; the two fixing mechanisms are both arranged on the first U-shaped mounting frame and the second U-shaped mounting frame, and a plurality of The walking wheel is evenly connected to the outer wall of the second U-shaped mounting frame; the movable block is slidably connected to the inner wall of the second U-shaped mounting frame, and the piston rod of the hydraulic push rod is arranged on the lower surface of the movable block, and the hydraulic push rod is arranged on the inner bottom wall of the second U-shaped mounting frame; an arc-shaped through groove is opened on the upper surface of the movable block, and a plurality of the first balls are evenly embedded in the inner wall of the arc-shaped through groove, and a plurality of the first balls are in contact with the screw barrel; the moving mechanism is threadedly connected to the second U-shaped mounting frame, and the moving mechanism and the screw barrel are clamped with each other.

[0006] In some embodiments, the moving mechanism includes a first turning handle, a first threaded rod, a limiting ring body, a conical block and a plurality of second steel balls, wherein the outer wall of the second U-shaped mounting frame is provided with a first threaded through hole, and the outer wall of the first threaded rod is threadedly connected to the inner wall of the first threaded through hole; the outer bottom wall of the screw barrel is provided with a movable through groove and a movable through hole, and the movable through groove and the movable through hole are connected, and the inner wall of the movable through groove is provided with a conical groove; the limiting ring body is arranged on the outer wall of the first threaded rod, and a plurality of second steel balls are evenly embedded in the outer wall of the limiting ring body, and a plurality of second steel balls are fitted with the movable through groove; the conical block is arranged at one end of the first threaded rod, and the outer wall of the conical block is fitted with the inner wall of the conical groove; the first turning handle is arranged at the other end of the first threaded rod.

[0007] In some embodiments, the fixing mechanism includes a fixing block, a second handle and a second threaded rod, wherein the fixing block is arranged on the lower surface of the second U-shaped mounting bracket, and the fixing block is fitted with the first U-shaped mounting bracket, and the outer wall of the fixing block is provided with a second threaded through hole; the outer wall of the first U-shaped mounting bracket is symmetrically provided with a limiting through groove, and the outer wall of the second threaded rod is fitted with the inner wall of the limiting through groove; the outer wall of the second threaded rod is threadedly connected to the inner wall of the second threaded through hole, and the second handle is arranged at one end of the second threaded rod.

[0008] In some embodiments, a circular through groove is provided on the inner wall of the feed bin, a rubber sealing ring is provided on the inner wall of the circular through groove, blocks are evenly provided on the inner wall of the circular through groove, and a card groove is evenly provided on the outer wall of the screw barrel, and the outer wall of the card block fits into the inner wall of the card groove.

[0009] In some embodiments, the inner side wall of the second U-shaped mounting frame is evenly provided with a sliding groove, the outer side wall of the movable block is evenly provided with a slider, and the outer wall of the slider is slidably connected to the inner wall of the sliding groove.

[0010] In some embodiments, a control panel is provided on an outer wall of the second U-shaped mounting frame, and the control panel is electrically connected to the hydraulic push rod via an electric wire.

[0011] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0012] The utility model uses a moving mechanism to pull the barrel out of the feed bin, and then a hydraulic push rod drives the movable block downward. The movable block drives the barrel downward, making it easy to inspect and replace the barrel. The barrel can be installed by reversing the operation, which is convenient to operate, improves work efficiency, and reduces work intensity.

[0013] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or technical descriptions. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a top view of the structure of the utility model;

[0017] Figure 3 For this utility model Figure 2 AA side cross-sectional structure diagram;

[0018] Figure 4 For this utility model Figure 3 A magnified structural diagram of area B;

[0019] Figure 5 For this utility model Figure 2 CC side cross-sectional structure diagram;

[0020] Figure 6 For this utility model Figure 5 A magnified structural diagram of the D region;

[0021] Figure 7 For this utility model Figure 5 A magnified structural diagram of the E region;

[0022] Figure 8 This is a front view structural diagram of the utility model;

[0023] Figure 9 For this utility model Figure 8 FF side cross-sectional structure diagram;

[0024] Figure 10 For this utility model Figure 9 Enlarged structure diagram of the G region.

[0025] Figure markings: 1. detachable component; 2. movable through groove; 3. movable through hole; 4. arc-shaped through groove; 5. control panel; 6. slider; 7. slide groove; 8. circular through groove; 9. rubber sealing ring; 10. first U-shaped mounting bracket; 11. feed bin; 12. screw barrel; 13. moving mechanism; 14. movable block; 15. first ball; 16. hydraulic push rod; 17. second U-shaped mounting bracket; 18. walking wheel; 19. fixing mechanism; 20. slot; 21. block; 22. first threaded through hole; 23. conical groove; 24. limiting through groove; 25. second threaded through hole; 130. first turning handle; 131. first threaded rod; 132. limiting ring; 133. conical block; 134. second steel ball; 190. fixing block; 191. second turning handle; 192. second threaded rod. DETAILED DESCRIPTION

[0026] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0027] It should be noted that the terms "first," "second," "symmetrical," "array," etc., are used only for the purpose of distinguishing descriptions and positional descriptions, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the technical features indicated. Therefore, limitations on features such as "first," "symmetrical," etc. may explicitly or implicitly include one or more of such features; similarly, when the quantity of certain features is not limited by words such as "two," "three," etc., it should be noted that such features also explicitly or implicitly include one or more of the number of features;

[0028] In the present invention, unless otherwise expressly specified or limited, terms such as "install," "connect," and "fix" should be interpreted broadly; for example, they may refer to fixed connections, detachable connections, or integral molding; they may refer to mechanical connections, direct connections, welding, or indirect connections via an intermediate medium; they may refer to internal communication between two components or the interaction between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention based on the specification and drawings in conjunction with specific circumstances.

[0029] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0030] like Figures 1-10As shown, the embodiment of the present invention provides a conical twin-screw extruder with a detachable screw barrel, including a detachable component 1, the detachable component 1 includes a first U-shaped mounting frame 10, a feed bin 11, a screw barrel 12, a moving mechanism 13, a movable block 14, a plurality of first balls 15, a hydraulic push rod 16, a second U-shaped mounting frame 17, a plurality of walking wheels 18 and two fixing mechanisms 19, wherein the feed bin 11 is arranged on the upper surface of the first U-shaped mounting frame 10, and the screw barrel 12 is clamped on the inner wall of the feed bin 11, and the two fixing mechanisms 19 are both arranged on the first U-shaped mounting frame 10 and the second U-shaped mounting frame 1 7, and several walking wheels 18 are evenly rotated and connected to the outer wall of the second U-shaped mounting frame 17, the movable block 14 is slidably connected to the inner wall of the second U-shaped mounting frame 17, and the piston rod of the hydraulic push rod 16 is arranged on the lower surface of the movable block 14, the hydraulic push rod 16 is arranged on the inner bottom wall of the second U-shaped mounting frame 17, the upper surface of the movable block 14 is provided with an arc-shaped through groove 4, and several first balls 15 are evenly embedded in the inner wall of the arc-shaped through groove 4, several first balls 15 are in contact with the screw barrel 12, the moving mechanism 13 is threadedly connected to the second U-shaped mounting frame 17, and the moving mechanism 13 and the screw barrel 12 are clamped with each other.

[0031] In this embodiment, specifically, the moving mechanism 13 includes a first turning handle 130, a first threaded rod 131, a limiting ring body 132, a conical block 133 and a plurality of second steel balls 134, wherein the outer wall of the second U-shaped mounting frame 17 is provided with a first threaded through hole 22, and the outer wall of the first threaded rod 131 is threadedly connected to the inner wall of the first threaded through hole 22, the outer bottom wall of the screw barrel 12 is provided with a movable through groove 2 and a movable through hole 3, and the movable through groove 2 and the movable through hole 3 are connected, the inner wall of the movable through groove 2 is provided with a conical groove 23, the limiting ring body 132 is provided on the outer wall of the first threaded rod 131, and the plurality of second steel balls 134 are evenly embedded in the outer wall of the limiting ring body 132, and the plurality of second steel balls 134 are in contact with the movable through groove 2 The conical block 133 is arranged at one end of the first threaded rod 131, and the outer wall of the conical block 133 is fitted with the inner wall of the conical groove 23. The first turning handle 130 is arranged at the other end of the first threaded rod 131. By the above arrangement, the first threaded rod 131 drives the limiting ring body 132 to move outward. After the limiting ring body 132 drives the conical block 133 to be taken out from the conical groove 23, the limiting ring body 132 drives the second steel ball 134 to fit with the inner wall of the movable through groove 2, so that the limiting ring body 132 rotates in the movable through groove 2. At the same time, the limiting ring body 132 pulls the screw barrel 12 out of the circular through groove 8 in the feed bin 11, wherein the conical block 133 is adapted to the conical groove 23, and is used to locate the center of the screw barrel 12, so as to facilitate pushing the screw barrel 12.

[0032] In this embodiment, specifically, the fixing mechanism 19 includes a fixing block 190, a second turning handle 191 and a second threaded rod 192, wherein the fixing block 190 is arranged on the lower surface of the second U-shaped mounting frame 17, and the fixing block 190 is in contact with the first U-shaped mounting frame 10, and the outer wall of the fixing block 190 is provided with a second threaded through hole 25, and the outer wall of the first U-shaped mounting frame 10 is symmetrically provided with a limiting through groove 24, and the outer wall of the second threaded rod 192 is in contact with the inner wall of the limiting through groove 24, and the outer wall of the second threaded rod 192 is threadedly connected to the inner wall of the second threaded through hole 25, and the second turning handle 191 is provided at one end of the second threaded rod 192. Through the above arrangement, the relevant personnel hold the second turning handle 191 to drive the second threaded rod 192 to rotate in the second threaded through hole 25, so that the second threaded rod 192 is taken out from the limiting through groove 24, which is used to release the position of the fixing block 190, thereby facilitating the relevant personnel to push the second U-shaped mounting frame 17 to move.

[0033] In this embodiment, specifically, a circular through groove 8 is provided on the inner wall of the feed bin 11, a rubber sealing ring 9 is provided on the inner wall of the circular through groove 8, a clamping block 21 is evenly provided on the inner wall of the circular through groove 8, and a clamping groove 20 is evenly provided on the outer wall of the screw barrel 12. The outer wall of the clamping block 21 fits into the inner wall of the clamping groove 20. By the above setting, the clamping block 21 moves in the clamping groove 20 to limit and fix the position of the screw barrel 12.

[0034] In this embodiment, specifically, the inner wall of the second U-shaped mounting frame 17 is evenly provided with a slide groove 7, and the outer wall of the movable block 14 is evenly provided with a slider 6. The outer wall of the slider 6 is slidably connected to the inner wall of the slide groove 7. Through the above setting, the slider 6 is slid in the slide groove 7, which can not only assist the movable block 14 to move, but also stabilize the position of the movable block 14.

[0035] In this embodiment, specifically, a control panel 5 is provided on the outer wall of the second U-shaped mounting frame 17 , and the control panel 5 is electrically connected to the hydraulic push rod 16 through an electric wire.

[0036] The present invention is in operation: when the screw barrel 12 needs to be taken out of the feed bin 11, the relevant personnel hold the first turning handle 130 to drive the first threaded rod 131 to rotate in the first threaded through hole 22, so that the first threaded rod 131 moves away from the feed bin 11, and the first threaded rod 131 drives the limiting ring body 132 to move outward. After the limiting ring body 132 drives the conical block 133 to be taken out from the conical groove 23, the limiting ring body 132 drives the second steel ball 134 to fit with the inner wall of the movable through groove 2, so that the limiting ring body 132 rotates in the movable through groove 2, and the limiting ring body 132 pulls the screw barrel 12 out of the feed bin. 11 is taken out from the circular through groove 8 in the screw barrel 11, so that the slot 20 on the screw barrel 12 slides out from the block 21, and the screw barrel 12 slides in the arc through groove 4 on the movable block 14 through the first ball 15. Thereafter, the relevant personnel control the hydraulic push rod 16 to start through the control panel 5, and the piston rod of the hydraulic push rod 16 drives the movable block 14 to move downward. When the movable block 14 drives the screw barrel 12 to move downward, the first threaded rod 131, the limiting ring 132, the conical block 133 and several second steel balls 134 are disengaged from the screw barrel 12 through the movable through groove 2 and the movable through hole 3. When the movable block 14 drives the screw barrel 12 to move to the specified position.

[0037] After that, the relevant personnel hold the second handle 191 to drive the second threaded rod 192 to rotate in the second threaded through hole 25, so that the second threaded rod 192 is taken out from the limiting groove 24, which is used to release the position of the fixed block 190, thereby facilitating the relevant personnel to push the second U-shaped mounting frame 17 to move. The second U-shaped mounting frame 17 assists in moving the screw barrel 12 for replacement and maintenance through the walking wheel 18. When the screw barrel 12 needs to be installed, only the above steps need to be reversed.

[0038] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of protection of the claims.

Claims

1. A conical twin-screw extruder with a detachable barrel, comprising a detachable component (1), characterized in that: The detachable assembly (1) comprises a first U-shaped mounting frame (10), a feed bin (11), a screw barrel (12), a moving mechanism (13), a movable block (14), a plurality of first balls (15), a hydraulic push rod (16), a second U-shaped mounting frame (17), a plurality of travel wheels (18) and two fixing mechanisms (19), wherein: The feed bin (11) is arranged on the upper surface of the first U-shaped mounting frame (10), and the screw barrel (12) is clamped on the inner wall of the feed bin (11); The two fixing mechanisms (19) are both arranged on the first U-shaped mounting frame (10) and the second U-shaped mounting frame (17), and a plurality of the running wheels (18) are evenly rotatably connected to the outer wall of the second U-shaped mounting frame (17); The movable block (14) is slidably connected to the inner wall of the second U-shaped mounting frame (17), and the piston rod of the hydraulic push rod (16) is arranged on the lower surface of the movable block (14), and the hydraulic push rod (16) is arranged on the inner bottom wall of the second U-shaped mounting frame (17); An arc-shaped through groove (4) is formed on the upper surface of the movable block (14), and a plurality of the first balls (15) are evenly embedded in the inner wall of the arc-shaped through groove (4), and a plurality of the first balls (15) are in contact with the screw barrel (12); The moving mechanism (13) is threadedly connected to the second U-shaped mounting frame (17), and the moving mechanism (13) and the screw barrel (12) are mutually clamped.

2. The conical twin-screw extruder with a detachable screw barrel according to claim 1, characterized in that: The moving mechanism (13) comprises a first turning handle (130), a first threaded rod (131), a limiting ring (132), a conical block (133) and a plurality of second steel balls (134), wherein: A first threaded through hole (22) is formed on the outer wall of the second U-shaped mounting frame (17), and the outer wall of the first threaded rod (131) is threadedly connected to the inner wall of the first threaded through hole (22); The outer bottom wall of the screw barrel (12) is provided with a movable through groove (2) and a movable through hole (3), and the movable through groove (2) and the movable through hole (3) are connected, and the inner wall of the movable through groove (2) is provided with a tapered groove (23); The limiting ring body (132) is arranged on the outer wall of the first threaded rod (131), and a plurality of the second steel balls (134) are evenly embedded in the outer wall of the limiting ring body (132), and a plurality of the second steel balls (134) are in contact with the movable through groove (2); The conical block (133) is arranged at one end of the first threaded rod (131), and the outer wall of the conical block (133) is in contact with the inner wall of the conical groove (23); The first turning handle (130) is arranged at the other end of the first threaded rod (131).

3. The conical twin-screw extruder with a detachable screw barrel according to claim 1, characterized in that: The fixing mechanism (19) comprises a fixing block (190), a second turning handle (191) and a second threaded rod (192), wherein: The fixing block (190) is arranged on the lower surface of the second U-shaped mounting frame (17), and the fixing block (190) is in contact with the first U-shaped mounting frame (10), and a second threaded through hole (25) is formed on the outer wall of the fixing block (190); The outer wall of the first U-shaped mounting frame (10) is symmetrically provided with a limiting slot (24), and the outer wall of the second threaded rod (192) is in contact with the inner wall of the limiting slot (24); The outer wall of the second threaded rod (192) is threadedly connected to the inner wall of the second threaded through hole (25), and the second turning handle (191) is arranged at one end of the second threaded rod (192).

4. The conical twin-screw extruder with a detachable barrel according to claim 1, characterized in that: The inner wall of the feed bin (11) is provided with a circular through groove (8), the inner wall of the circular through groove (8) is provided with a rubber sealing ring (9), the inner wall of the circular through groove (8) is evenly provided with a clamping block (21), the outer wall of the screw barrel (12) is evenly provided with a clamping groove (20), and the outer wall of the clamping block (21) is in contact with the inner wall of the clamping groove (20).

5. The conical twin-screw extruder with a detachable screw barrel according to claim 1, characterized in that: The inner side wall of the second U-shaped mounting frame (17) is evenly provided with a sliding groove (7), and the outer side wall of the movable block (14) is evenly provided with a slider (6), and the outer wall of the slider (6) is slidably connected to the inner wall of the sliding groove (7).

6. The conical twin-screw extruder with a detachable barrel according to claim 1, characterized in that: A control panel (5) is provided on the outer wall of the second U-shaped mounting frame (17), and the control panel (5) is electrically connected to the hydraulic push rod (16) via an electric wire.

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