Easily-cleaned double-screw extrusion impregnator for pulping and papermaking by using plant fibers

Abstract

The utility model provides an easy-to-clean type twin-screw extrusion impregnator for pulping and papermaking by plant fiber, which comprises a mounting machine box, a transmission mechanism is fixedly connected to the outer wall of the mounting machine box, two groups of limiting mechanisms are further fixedly connected to one end, far away from the transmission mechanism, of the mounting machine box, and two rotating shafts are further arranged in the mounting machine box. The outer wall of each rotating shaft is fixedly connected with a spiral piece, the transmission mechanism can drive the two rotating shafts and the spiral pieces to rotate in the opposite directions, the limiting mechanisms can quickly mount and dismount the rotating shafts, and mounting is simple and quick.

Description

TECHNICAL FIELD

[0001] The utility model relates to papermaking equipment technical field, concretely is a double screw extrusion impregnator. BACKGROUND

[0002] In the pulping and papermaking process of plant fiber, the double screw extrusion impregnator plays a key role. After long-term use of the traditional double screw extrusion impregnator, a large amount of fiber residues, chemical impregnating agents and other impurities will adhere to the rotating shaft and spiral blade. Due to the limitations of the structure design, it is extremely difficult to disassemble the rotating shaft and spiral blade, making it difficult to clean and maintain thoroughly.

[0003] Moreover, dirt is also likely to accumulate inside the installation box of the equipment, affecting the normal operation of the equipment and the impregnation effect. In addition, during equipment maintenance or replacement of parts, the installation process of the traditional model is complex and time-consuming, which seriously reduces production efficiency. Therefore, it is of great practical significance to develop a double screw extrusion impregnator that can easily disassemble the rotating shaft and spiral blade, facilitate cleaning of the installation box, rotating shaft and spiral blade, and achieve quick installation and fixation.

[0004] Chinese patent (authorized announcement number: CN 216193637 U) proposes an easy-to-clean double screw extrusion impregnator, which includes a double screw extrusion impregnator body, the double screw extrusion impregnator body includes a shell and a screw rod rotatingly installed on the shell, an opening and closing groove is formed on the outer surface of the shell and communicates with the inside of the shell. Compared with the prior art, when the double screw extrusion impregnator body is used, the spray head is started to spray water into the inside of the shell, and the double screw extrusion impregnator body is started to make the screw rod rotate in the inside of the shell, so that the inside of the shell and the surface of the screw rod can be effectively cleaned, avoiding corrosion of the screw rod by chemicals for a long time. When the double screw extrusion impregnator body is used and appears to be stuck, the opening and closing door is opened to clean the pulp stuck on the surface of the screw rod, which is convenient to clean.

[0005] Therefore, how to provide a double screw extrusion impregnator that can be more easily cleaned and more convenient is an urgent problem to be solved. Utility model content

[0006] In view of the deficiencies of the prior art, the utility model provides an easy-to-clean double screw extrusion impregnator for pulping and papermaking of plant fiber, which solves the problems in the background.

[0007] To achieve the above purpose, the utility model is implemented by the following technical solutions:

[0008] The utility model provides a double screw extrusion dipper for plant fiber pulping papermaking easy to clean, including installation machine box, the outer wall fixed connection of installation machine box has driving mechanism, the one end of installation machine box away from driving mechanism still fixed connection has two sets of limiting mechanism, still be provided with two rotating shafts in the inside of installation machine box,

[0009] The outer wall of each rotating shaft is fixedly connected with a helical blade, the driving mechanism can drive the two rotating shafts and the helical blades to rotate in opposite directions, and the limiting mechanism can quickly install and disassemble the rotating shafts.

[0010] Further to the utility model, the driving mechanism includes two cooperating tubes, the cooperating tubes are rotatably connected to the inner wall of the installation machine box, the one end of the rotating shaft close to the cooperating tube is fixedly connected with a first elastic expansion rod, and the one end of the first elastic expansion rod close to the cooperating tube is fixedly connected with an installation disc, and the one end of the installation disc close to the cooperating tube is fixedly connected with a plurality of clamping teeth on the inner wall of the cooperating tube.

[0011] Further to the utility model, the one end of each cooperating tube away from the installation disc is fixedly connected with a transmission gear, and the two transmission gears are meshed with each other, the one end of the installation machine box close to the transmission gear is also fixedly installed with a driving motor, and the output end of the driving motor is fixedly connected with the outer wall of one transmission gear.

[0012] Further to the utility model, the one end of the installation machine box away from the transmission gear is provided with two sliding grooves, the inner wall of the sliding groove is abutted with the outer wall of the rotating shaft, the outer wall of the rotating shaft is rotatably connected with a cooperating plate, and the cooperating plate is slidably connected in the inner wall of the sliding groove.

[0013] Further to the utility model, the limiting mechanism includes an extrusion block, the extrusion block is slidably connected to the outer wall of the installation machine box, a connecting plate is further arranged below the extrusion block, the connecting plate is fixedly connected to the outer wall of the installation machine box, a cooperating block is further slidably connected to the upper end of the connecting plate, the upper end of the cooperating block is abutted with the bottom of the extrusion block, a motorized telescopic rod is further fixedly connected to the upper end of the connecting plate, and the output end of the motorized telescopic rod is fixedly connected with the cooperating block.

[0014] Further to the utility model, the left and right sides of the extrusion block are both provided with abutment arms, the abutment arms are rotatably connected to the outer wall of the installation machine box, the two abutment arms are rotatably connected through a second elastic expansion rod, and the upper and lower ends of the abutment arms are both rotatably connected with first abutment wheels.

[0015] Further to the utility model, the upper end of the extrusion block is also rotatably connected with a second abutment wheel, and the upper end of the second abutment wheel is abutted with the outer wall of the rotating shaft.

[0016] Advantages

[0017] The utility model provides a double screw extrusion dipper for easy cleaning formula of plant fiber pulping papermaking, has the following beneficial effects compared with prior art: the double screw extrusion dipper for easy cleaning formula of plant fiber pulping papermaking, through the rotatable shaft and spiral piece structure of dismounting greatly facilitate the cleaning and maintenance of equipment, and still can easily take off and carry out the thorough cleaning, effectively remove the long -term accumulated fiber residue and chemical dipper and other impurities, guarantee the sanitary condition and dip effect of equipment, prolong the service life of equipment, and dismounting and installation are simple and swift. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the main body front view of the utility model;

[0019] Figure 2 It is the main body rear view of the utility model;

[0020] Figure 3 It is the main body installation round piece position structure schematic view of the utility model;

[0021] Figure 4 It is the main body installation machine box internal structure schematic view of the utility model;

[0022] Figure 5 It is the main body limiting mechanism structure schematic view of the utility model.

[0023] In the drawing: 1, installation machine box;2, rotatable shaft;3, spiral piece;4, feeding port;5, electric telescopic arm;6, installation bottom plate;7, discharging port;8, driving motor;9, transmission gear;10, cooperation pipe;11, first elastic telescopic rod;12, installation round piece;13, clamping tooth;14, cooperation plate;15, sliding slot;16, first abutment wheel;17, abutment arm;18, slide bar;19, connecting plate;20, electric telescopic rod;21, second elastic telescopic rod;22, second abutment wheel;23, cooperation block;24, extrusion block;101, limiting mechanism;201, transmission mechanism. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Embodiment one: please refer to Figure 1 - Figure 2The utility model provides a technical scheme: easy cleaning formula double screw extruding dipper for plant fiber pulping papermaking, including installation machine box 1, installation machine box 1 outer wall fixedly connected with transmission mechanism 201, installation machine box 1 away from transmission mechanism 201 one end still fixedly connected with two sets of limiting mechanism 101, two sets of limiting mechanism 101 are symmetrically distributed on the outer wall of installation machine box 1, installation machine box 1 inside still be provided with two rotating shafts 2, two rotating shafts 2 are symmetrically distributed in the inside of installation machine box 1, and the outer wall of every rotating shaft 2 is fixedly connected with spiral blade 3, and rotating shaft 2 and spiral blade 3 all adopt stainless steel material, and stainless steel material has good corrosion resistance and high temperature resistance characteristics, and is durable, transmission mechanism 201 can drive two rotating shafts 2 and spiral blade 3 rotate towards opposite direction, and limiting mechanism 101 can quickly install and disassemble rotating shaft 2, and the bottom of installation machine box 1 is fixedly connected with four free retractable electric telescopic arms 5, and every two electric telescopic arms 5 are fixedly connected through mounting bottom plate 6, and staff can drive installation machine box 1 to adjust height through electric telescopic arm 5, and the upper end of installation machine box 1 is provided with feeding port 4 for feeding material, and the bottom of installation machine box 1 is also provided with discharge port 7 for discharging material.

[0026] Example two: please refer to Figure 2 - Figure 3 As shown, transmission mechanism 201 includes two cooperation tubes 10, cooperation tube 10 is rotatably connected in the inner wall of installation machine box 1, and the end of rotating shaft 2 close to cooperation tube 10 is fixedly connected with first elastic expansion rod 11, and the end of first elastic expansion rod 11 close to cooperation tube 10 is fixedly connected with installation round piece 12, and the end of installation round piece 12 close to cooperation tube 10 is fixedly connected with a plurality of clamping teeth 13 in the inner wall of cooperation tube 10, when rotating shaft 2 drives first elastic expansion rod 11 to move to the inside of corresponding cooperation tube 10, first elastic expansion rod 11 will drive the clamping teeth 13 on the outer wall of installation round piece 12 and the clamping teeth 13 in the inner wall of cooperation tube 10 to rub and abut each other, and first elastic expansion rod 11 will tightly abut each other between installation round piece 12 and cooperation tube 10, and the end of every cooperation tube 10 away from installation round piece 12 is fixedly connected with transmission gear 9, and two transmission gears 9 are engaged with each other, and the end of installation machine box 1 close to transmission gear 9 is also fixedly installed with driving motor 8, and the output end of driving motor 8 is fixedly connected with the outer wall of one of transmission gear 9s;

[0027] The end of installation machine box 1 away from transmission gear 9 is provided with two sliding grooves 15, and the inner wall of sliding groove 15 abuts against the outer wall of rotating shaft 2, and the outer wall of rotating shaft 2 is rotatably connected with cooperation plate 14, and cooperation plate 14 is slidably connected in the inner wall of sliding groove 15;

[0028] Please refer to Figure 4 - Figure 5As shown, the limiting mechanism 101 includes an extrusion block 24 which is slidingly connected to the outer wall of the installation box 1, and a connecting plate 19 is further arranged below the extrusion block 24, the connecting plate 19 is fixedly connected to the outer wall of the installation box 1, and a matching block 23 is slidingly connected to the upper end of the connecting plate 19, specifically, the upper end of the connecting plate 19 is fixedly connected with a sliding strip 18, and the matching block 23 is slidingly connected in the inner wall of the sliding strip 18, and the outer wall of the matching block 23 and the inner wall of the sliding strip 18 are coated with lubricating oil, when the matching block 23 moves in the inner wall of the sliding strip 18, the sliding strip 18 can limit the matching block 23 and has a guiding effect, improves the stability of the matching block 23 when moving, the lubricating oil can also reduce the friction between the matching block 23 and the sliding strip 18, prolong the service life of the sliding strip 18 and the matching block 23, and the upper end of the matching block 23 and the bottom of the extrusion block 24 abut each other;

[0029] The upper end of the connecting plate 19 is also fixedly connected with an electric telescopic rod 20, and the output end of the electric telescopic rod 20 is fixedly connected with the matching block 23, and the left and right sides of the extrusion block 24 are provided with abutting arms 17 which are rotationally connected to the outer wall of the installation box 1, and the abutting arms 17 are in the shape of "V", and the two abutting arms 17 are rotationally connected by a second elastic telescopic rod 21, and the upper and lower ends of the abutting arms 17 are both rotationally connected with first abutting wheels 16 through rotating shafts, each first abutting wheel 16 abuts with the outer wall of the rotating shaft 2 and the outer wall of the extrusion block 24, and the upper end of the extrusion block 24 is also rotationally connected with a second abutting wheel 22 through a rotating shaft, and the upper end of the second abutting wheel 22 abuts with the outer wall of the rotating shaft 2.

[0030] Working principle: when in use, only need to pour the material into the installation box 1 through the feeding port 4, at this time, start the driving motor 8, the driving motor 8 will drive the two groups of transmission gears 9 to rotate, the transmission gears 9 will drive the installation disc 12 to rotate through the matching pipe 10, the installation disc 12 drives the first elastic telescopic rod 11 and the rotating shaft 2 to rotate, and the spiral blade 3 on the outer wall of the rotating shaft 2 will extrude and convey the material, and when it is needed to clean the inside of the installation box 1 and the rotating shaft 2 and the spiral blade 3, at this time, only need to start the electric telescopic rod 20, the electric telescopic rod 20 drives the matching block 23 to move, when the matching block 23 is separated from the bottom of the extrusion block 24, at this time, the extrusion block 24 will move downward, the second elastic telescopic rod 21 will contract, driving the two groups of abutting arms 17 to rotate, at this time, the first abutting wheel 16 on the upper end of the abutting arm 17 will be separated from the outer wall of the rotating shaft 2, and then the first elastic telescopic rod 11 is pulled to contract, when the installation disc 12 is separated from the inside of the matching pipe 10, the rotating shaft 2 can be moved upward, the rotating shaft 2 drives the matching plate 14 to be separated from the inner wall of the sliding groove 15, at this time, the inside wall of the installation box 1 and the rotating shaft 2 and the spiral blade 3 can be cleaned;

[0031] After cleaning, the rotating shaft 2 to be installed is moved to the inner wall of the installation box 1, the first elastic telescopic rod 11 is retracted, the first elastic telescopic rod 11 drives the installation disc 12 to retract, the installation disc 12 is abutted to the inner wall of the matching pipe 10, the matching plate 14 is slidably installed in the inner wall of the sliding groove 15, at this time, when the rotating shaft 2 is abutted to the second abutment wheel 22, the electric telescopic rod 20 drives the matching block 23 to reset, the matching block 23 drives the extrusion block 24 to reset, the extrusion block 24 moves upward, the outer wall of the extrusion block 24 is abutted to the corresponding two first abutment wheels 16, at this time, the two abutment arms 17 rotate, the abutment arm 17 drives the other two first abutment wheels 16 to abut to the outer wall of the rotating shaft 2, and the rotating shaft 2 can be positioned and fixed.

[0032] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying that there is any such relationship or order between these entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A twin-screw extrusion digester with easy cleaning for pulping of plant fibers for papermaking, comprising a mounting box (1), characterized in that: The outer wall of the mounting box (1) is fixedly connected with a transmission mechanism (201), and the end of the mounting box (1) away from the transmission mechanism (201) is also fixedly connected with two sets of limiting mechanisms (101); the inside of the mounting box (1) is also provided with two rotating shafts (2); The outer wall of each rotating shaft (2) is fixedly connected with a spiral blade (3); the transmission mechanism (201) can drive the two rotating shafts (2) and the spiral blades (3) to rotate in opposite directions, and the limiting mechanism (101) can quickly install and disassemble the rotating shaft (2).

2. The twin-screw extrusion digester for pulping of plant fiber with easy cleaning as claimed in claim 1 wherein: The transmission mechanism (201) comprises two matching tubes (10), which are rotationally connected to the inner wall of the mounting box (1); the end of the rotating shaft (2) close to the matching tube (10) is fixedly connected with a first elastic telescopic rod (11), and the end of the first elastic telescopic rod (11) close to the matching tube (10) is fixedly connected with a mounting disc (12); the end of the mounting disc (12) close to the matching tube (10) and the inner wall of the matching tube (10) are both fixedly connected with a plurality of clamping teeth (13).

3. The self-cleaning twin-screw extrusion digester for pulping of plant fibers according to claim 2, characterized in that: The end of each matching tube (10) away from the mounting disc (12) is fixedly connected with a transmission gear (9), and the two transmission gears (9) are meshed with each other; the end of the mounting box (1) close to the transmission gear (9) is also fixedly provided with a driving motor (8), and the output end of the driving motor (8) is fixedly connected with the outer wall of one of the transmission gears (9).

4. The twin-screw extrusion digester for pulping of plant fiber according to claim 1, wherein: The end of the mounting box (1) away from the transmission gear (9) is provided with two sliding grooves (15), and the inner wall of the sliding groove (15) is in abutment with the outer wall of the rotating shaft (2); the outer wall of the rotating shaft (2) is rotationally connected with a matching plate (14), and the matching plate (14) is slidingly connected in the inner wall of the sliding groove (15).

5. The twin-screw extrusion digester for pulping of plant fiber with easy cleaning as claimed in claim 1 wherein: The limiting mechanism (101) comprises an extrusion block (24), which is slidingly connected to the outer wall of the mounting box (1); the lower side of the extrusion block (24) is also provided with a connecting plate (19), which is fixedly connected to the outer wall of the mounting box (1); the upper end of the connecting plate (19) is also slidingly connected with a matching block (23), and the upper end of the matching block (23) is in abutment with the bottom of the extrusion block (24); the upper end of the connecting plate (19) is also fixedly connected with an electric telescopic rod (20), and the output end of the electric telescopic rod (20) is fixedly connected with the matching block (23).

6. The twin-screw extrusion digester for pulping of plant fiber according to claim 5, wherein: The left and right sides of the extrusion block (24) are both provided with abutment arms (17), which are rotationally connected to the outer wall of the mounting box (1); the two abutment arms (17) are rotationally connected through a second elastic telescopic rod (21); the upper and lower ends of the abutment arm (17) are both rotationally connected with a first abutment wheel (16).

7. The self-cleaning twin-screw extrusion digester for pulping of plant fibers according to claim 6, characterized in that: Each first abutment wheel (16) is in abutment with the outer wall of the rotating shaft (2) and the outer wall of the extrusion block (24), respectively; the upper end of the extrusion block (24) is also rotationally connected with a second abutment wheel (22), and the upper end of the second abutment wheel (22) is in abutment with the outer wall of the rotating shaft (2).

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