Paper pulp fiber fixing device

Abstract

The utility model discloses a paper pulp fiber fixing device which comprises a cavity plate, the inner bottom end of the cavity plate is concentrically and fixedly connected with a first annular plate, the outer side of the first annular plate is provided with a second annular plate, the bottom end of the second annular plate is fixedly connected with the inner bottom end of the cavity plate, and a cover plate is arranged above the cavity plate. According to the paper pulp fiber fixing device, through cooperation of a cavity plate, a sealing ring, a cover plate, a bolt, a connector, a first vertical rod, a transverse plate, a second vertical rod and a heat supply mechanism, a second valve is closed after a proper amount of heat conduction oil is injected into a first annular plate; only the part with the heat conduction oil above the lower surface of the cavity plate can generate a large amount of heat energy, and the area without the heat conduction oil above the lower surface of the cavity plate cannot generate a large amount of heat energy; and the heat energy consumption waste at the outer side edge of the lower surface of the cavity plate is obviously reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pulp fiber fixing, in particular to a pulp fiber fixing device. Background Art

[0002] Pulp fiber, a fibrous material made from plant fibers through various processing methods, is a primary raw material in the papermaking industry. Pulp fibers need to be fixed because the bonding between them is crucial to the physical properties of paper. This bonding is achieved primarily through the following steps: Fiber processing: During the pulp production process, wood chips undergo steaming, washing, screening, and bleaching. These steps help separate the fibers and remove impurities while maintaining fiber strength and length, providing a foundation for subsequent paper forming. Fiber bonding: The fibers in the pulp need to be tightly bonded together to create paper with a certain strength and stability. This is usually achieved by adding adhesives or by leveraging the natural bonding between fibers. For example, insulating kraft paper is stronger than ordinary paper because its wood fibers are longer and the chemicals used during the steaming process are less detrimental to the fiber strength, allowing the fibers to cling tightly together. Moisture control: Controlling moisture content is crucial in the production of pulp molded products. An appropriate moisture content helps strengthen fiber bonding and prevents cracking caused by excessive moisture during the molding and transfer processes. Excessive moisture content can reduce fiber bonding and easily cause product tearing; while low moisture content can lead to overly dense fibers, affecting product formability and quality. Hot pressing is a crucial step in the production of paper or paper products. Heat and pressure are applied to rearrange and tightly bond the fibers in the pulp, forming a paper or paper product with a certain thickness and strength. In summary, pulp fiber fixation is primarily achieved through maintaining fiber length and strength, controlling moisture content, and hot pressing. These measures work together to ensure the physical properties and stability of the paper or paper product.

[0003] Among them, hot pressing of pulp fibers is one of the most important processes in the fixed forming of pulp fibers. During the hot pressing and fixing operation of pulp fibers, it is basically achieved by relying on the hot pressing plate device. The hot pressing plate device currently available on the market for pulp fiber fixing operations can hot-press and directionally fix pulp fibers. However, due to the daily production of enterprises, pulp fiber finished products of various sizes are produced. If the pulp fibers to be fixed by hot pressing are small in size, and the lower surface of the hot pressing plate is significantly larger than the pulp fibers to be fixed by hot pressing, the heat at the outer edge of the hot pressing plate is easily wasted during the period when the outer side of the lower surface of the hot pressing plate is not in contact with the pulp fibers, which is not conducive to the energy conservation and emission reduction needs of the enterprise. Utility Model Content

[0004] The purpose of the present utility model is to provide a pulp fiber fixing device to solve the problem raised in the above background technology that, during daily production, enterprises produce a variety of pulp fiber finished products of different sizes. If the pulp fibers to be fixed by hot pressing are small in size, and the lower surface of the hot pressing plate is obviously larger than the pulp fibers to be fixed by hot pressing, the heat at the outer edge of the hot pressing plate is easily wasted during the period when the outer side of the lower surface of the hot pressing plate is not in contact with the pulp fibers, which is not conducive to the energy conservation and emission reduction needs of the enterprise.

[0005] The lockhole that is formed on the upper surface of the second rim of the second rim is formed on the upper surface of the second rim of the second rim, and the lockhole that is formed on the upper surface of the second rim of the second rim is formed on the lower surface of the second rim of the second rim.

[0006] The heating mechanism includes a first valve, a rotating rod, a knob, an electric heating rod, a vertical pipe, a second valve, a housing, a push-pull plate, a rubber sleeve, a vertical rod, an electric telescopic rod and heat-conducting oil;

[0007] The cam is fixed on the upper side of the second annular plate, and the cam is fixed on the upper side of the second annular plate. The cam is fixed on the top of the first valve, and the cam is rotatably connected to the cover plate through a sealed bearing. The top of the cam is fixed on the top of the rotary knob. The two electric heating rods are respectively located on both sides of the interior of the first annular plate, a part of the electric heating rod passes through the cover plate, and the contact surface of the electric heating rod and the cover plate is fixedly connected. The vertical pipe is fixed on the center of the lower surface of the cover plate, the top of the vertical pipe is fixed on the second valve, and the top of the second valve is fixed on the shell. A push-pull plate is provided on the upper inner side of the shell, a rubber sleeve is fixedly sleeved on the outer wall of the push-pull plate, and the rubber sleeve is tightly abutted against the inner wall of the shell. A vertical rod is inserted into the center of the upper surface of the shell, and a part of the vertical rod passes through the shell and is fixedly connected to the contact surface of the push-pull plate. The top of the vertical rod is fixed on the electric telescopic rod, and the outer shell of the electric telescopic rod is fixedly connected to the contact surface of the horizontal plate. Heat transfer oil is provided inside the first annular plate and the shell.

[0008] Preferably, observation windows are embedded and fixed on both sides of the front surface of the shell.

[0009] Preferably, U-shaped plates are fixedly connected to both sides of the lower surface of the shell, and the top end of the U-shaped plate is fixedly connected to the lower surface of the horizontal plate.

[0010] Compared with the prior art, the beneficial effects of the present invention are: the pulp fiber fixing device has the following advantages over the traditional technology:

[0011] Through the cooperation between the cavity plate, sealing ring, cover plate, bolts, joints, first vertical rod, horizontal plate, second vertical rod and heating mechanism, the first valve and the second valve on both sides are opened and closed, and the electric telescopic rod is controlled to move the push-pull plate and the rubber sleeve upward, and a negative pressure state is generated at the lower part of the shell, so that the heat transfer oil inside the cavity plate can be extracted. At this time, the first valve is closed and the electric telescopic rod is controlled again to move the push-pull plate and the rubber sleeve downward. After an appropriate amount of heat transfer oil is injected into the first annular plate, the second valve is closed. In this way, during the operation of the electric heating rod, only the part with heat transfer oil above the lower surface of the cavity plate can generate a large amount of heat energy, while the area without heat transfer oil above the lower surface of the cavity plate will not generate a large amount of heat energy. In this way, when the smaller-sized pulp fibers are subsequently hot-pressed and fixed, the heat energy waste at the outer edge of the lower surface of the cavity plate is significantly reduced, which is beneficial for enterprises to meet the needs of energy conservation and emission reduction operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The above and other features, advantages, and aspects of the various embodiments of the present disclosure will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the originals and elements are not necessarily drawn to scale.

[0013] Figure 1 This is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 A partial enlarged view of

[0015] Figure 3 for Figure 1 A top cross-sectional view of the cavity plate, the first annular plate, and the second annular plate;

[0016] Figure 4 for Figure 2 A partial enlarged view of .

[0017] In the figure: 1. cavity plate, 2. sealing ring, 3. cover plate, 4. bolt, 5. joint, 6. first vertical rod, 7. horizontal plate, 8. second vertical rod, 9. first annular plate, 10. second annular plate, 11. first valve, 12. rotating rod, 13. knob, 14. electric heating rod, 15. vertical pipe, 16. second valve, 17. shell, 18. push-pull plate, 19. rubber sleeve, 20. vertical rod, 21. electric telescopic rod, 22. thermal oil, 23. observation window, 24. U-shaped plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Through the use of wires by those skilled in the art, all electrical components in this case are connected to their corresponding power supplies, and appropriate controllers and encoders should be selected according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the following working principle, in which the electrical components are electrically connected in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0020] See also Figure 1-4The utility model provides a technical solution: a pulp fiber fixing device, including a cavity plate 1, the cavity plate 1 is made of stainless steel metal material and has good thermal conductivity. The inner bottom end of the cavity plate 1 is concentrically fixed with a first annular plate 9, and a second annular plate 10 is provided on the outer side of the first annular plate 9. The bottom end of the second annular plate 10 is fixedly connected to the inner bottom end of the cavity plate 1. A cover plate 3 is provided above the cavity plate 1, and a plurality of sealing rings 2 are fixed to the lower surface of the cover plate 3 in sequence from the outside to the inside. The lower surfaces of the plurality of sealing rings 2 are respectively tightly pressed against the top ends of the cavity plate 1, the first annular plate 9 and the second annular plate 10. A plurality of bolts 4 are evenly inserted into the upper surface of the cover plate 3, and the plurality of bolts 4 pass through the cover plate 3 and the sealing ring 2 in sequence and are respectively fixed to the cavity plate 1 and the first annular plate 9 It is threadedly connected to the second annular plate 10, and a joint 5 is provided above the cover plate 3. The top of the joint 5 is connected to the output shaft of the external pulp fiber hot pressing and orienting device, and both ends of the lower surface of the joint 5 are fixed with a first vertical rod 6, and the bottom end of the first vertical rod 6 is fixed with a horizontal plate 7. Both ends of the lower surface of the horizontal plate 7 are fixed with a second vertical rod 8, and the bottom end of the second vertical rod 8 is fixedly connected to the contact surface of the cover plate 3. A heating mechanism is provided on the upper and lower sides of the cover plate 3, and the heating mechanism includes a first valve 11, a rotating rod 12, a knob 13, an electric heating rod 14, a vertical pipe 15, a second valve 16, a shell 17, a push-pull plate 18, a rubber sleeve 19, a vertical rod 20, an electric telescopic rod 21 and heat-conducting oil 22. A plurality of first valves 11 are respectively fixed to the first annular plate 9 and the second annular plate 10 At the bottom of both sides, a rotating rod 12 is fixed to the top of the first valve 11, and the regulating rod of the first valve 11 is fixedly connected to the rotating rod 12 concentrically. The rotating rod 12 is rotatably connected to the cover plate 3 through a sealed bearing. The outer walls of multiple rotating rods 12 are also rotatably connected to the first annular plate 9 and the second annular plate 10 respectively through multiple sealed bearings. A knob 13 is fixed to the top of the rotating rod 12. Two electric heating rods 14 are respectively located on both sides of the interior of the first annular plate 9. A part of the electric heating rod 14 passes through the cover plate 3. The electric heating rod 14 is fixedly connected to the through surface of the cover plate 3. The heating part of the electric heating rod 14 is located on both sides of the interior of the first annular plate 9. The non-heating part of the electric heating rod 14 is fixedly connected to the contact surface of the cover plate 3. The vertical pipe 15 is fixedly connected to the center of the lower surface of the cover plate 3. The top of the vertical pipe 15 A second valve 16 is fixedly connected. When the second valve 16 is opened and closed, the interior of the vertical pipe 15 and the shell 17 can be communicated with each other. The second valve 16 and the first valve 11 are both high-temperature resistant valves. The top of the second valve 16 is fixedly connected to the shell 17. A push-pull plate 18 is provided above the interior of the shell 17. The outer wall of the push-pull plate 18 is fixedly sleeved with a rubber sleeve 19. The rubber sleeve 19 and the sealing ring 2 are both made of rubber material and have a certain degree of flexibility. The rubber sleeve 19 is tightly pressed against the inner wall of the shell 17. A vertical rod 20 is inserted into the center of the upper surface of the shell 17. A part of the vertical rod 20 passes through the shell 17 and is fixedly connected to the contact surface of the push-pull plate 18. The outer wall of the vertical rod 20 is clearance-matched with the through-surface of the shell 17. The top of the vertical rod 20 is fixedly connected with an electric telescopic rod 21.The outer shell of the electric telescopic rod 21 is fixedly connected to the contact surface of the horizontal plate 7. The output shaft of the electric telescopic rod 21 is concentrically fixedly connected to the vertical rod 20. The power lines of the electric telescopic rod 21 and the electric heating rod 14 are connected to the external power supply device to provide the required power for their operation. The first annular plate 9 and the shell 17 are provided with heat-conducting oil 22. Heat-conducting oil, also known as heat-conducting oil, is a kind of oil specially used for indirect heat transfer. Because of its uniform heating, accurate temperature control, ability to generate high temperature under low vapor pressure, good heat transfer effect, energy saving, convenient transportation and operation, etc., the front surface of the shell 17 is embedded with observation windows 23 on both sides. The observation windows 23 are made of transparent high-temperature resistant tempered glass, which can facilitate external staff to observe the oil level of the heat-conducting oil 22 inside the shell 17. U-shaped plates 24 are fixedly connected to both sides of the lower surface of the shell 17. The top of the U-shaped plate 24 is fixedly connected to the lower surface of the horizontal plate 7. The U-shaped plate 24 can improve the stability of the shell 17.

[0021] During the use of the pulp fiber fixing device, first, the joint 5 is fixedly connected to the output shaft of the external pulp fiber hot pressing and orienting device to complete the installation of the cavity plate 1, and the electric heating rod 14 is powered to generate heat to heat the heat-conducting oil 22, so that the part containing the heat-conducting oil 22 above the lower surface of the cavity plate 1 can generate heat energy. At this time, the hot area of the lower surface of the cavity plate 1 can be pressed against the pulp fiber, and the pulp fiber can be hot-pressed and fixed. Before the operation, the operator can open and close the first valves 11 on both sides, and control the electric telescopic rod 21 to move the push-pull plate 18 and the rubber sleeve 19 upward, and a negative pressure state is generated below the inside of the shell 17, which can fix the cavity plate 1 The internal heat-conducting oil is extracted, and at this time, the first valve 16 is closed and the electric telescopic rod 21 is operated again to move the push-pull plate 18 and the rubber sleeve 19 downward, and an appropriate amount of heat-conducting oil 22 is injected into the first annular plate 9 and then the second valve 16 is closed. In this way, during the subsequent operation of the electric heating rod 14, only the portion above the lower surface of the cavity plate 1 with the heat-conducting oil 22 can generate a large amount of heat energy, while the area above the lower surface of the cavity plate 1 without the heat-conducting oil 22 will not generate a large amount of heat energy. In this way, when the smaller-sized pulp fibers are subsequently hot-pressed and fixed, the heat energy waste at the outer edge of the lower surface of the cavity plate 1 is significantly reduced, which is beneficial for enterprises to meet the needs of energy conservation and emission reduction operations.

[0022] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0024] It should also be noted that, for ease of description, only the parts related to the relevant disclosure are shown in the accompanying drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other; it should be noted that the concepts of "first", "second", etc. mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units; it should be noted that the modifications of "one" and "multiple" mentioned in the present disclosure are schematic and not restrictive. Those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more"; the names of the messages or information exchanged between the multiple devices in the embodiments of the present disclosure are only for illustrative purposes, and are not used to limit the scope of these messages or information.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pulp fiber fixing device, comprising a cavity plate (1), characterized in that: The inner bottom end of the cavity plate (1) is concentrically fixed with a first annular plate (9), the outer side of the first annular plate (9) is provided with a second annular plate (10), the bottom end of the second annular plate (10) is fixedly connected to the inner bottom end of the cavity plate (1), a cover plate (3) is provided above the cavity plate (1), the lower surface of the cover plate (3) is fixed with a plurality of sealing rings (2) in sequence from the outside to the inside, the lower surfaces of the plurality of sealing rings (2) are respectively tightly pressed against the top ends of the cavity plate (1), the first annular plate (9) and the second annular plate (10), and the upper surface of the cover plate (3) is uniformly inserted with a plurality of sealing rings (2). Bolts (4), a plurality of the bolts (4) sequentially penetrate the cover plate (3) and the sealing ring (2) and are respectively threadedly connected to the cavity plate (1), the first annular plate (9) and the second annular plate (10); a joint (5) is provided above the cover plate (3); both ends of the lower surface of the joint (5) are fixedly connected to a first vertical rod (6); the bottom end of the first vertical rod (6) is fixedly connected to a horizontal plate (7); both ends of the lower surface of the horizontal plate (7) are fixedly connected to a second vertical rod (8); the bottom end of the second vertical rod (8) is fixedly connected to the contact surface of the cover plate (3); and a heating mechanism is provided on the upper and lower sides of the cover plate (3); The heating mechanism comprises a first valve (11), a rotating rod (12), a knob (13), an electric heating rod (14), a vertical pipe (15), a second valve (16), a housing (17), a push-pull plate (18), a rubber sleeve (19), a vertical rod (20), an electric telescopic rod (21) and heat-conducting oil (22); The plurality of first valves (11) are respectively fixed to the lower sides of the first annular plate (9) and the second annular plate (10); the top end of the first valve (11) is fixed with a rotating rod (12); the rotating rod (12) is rotatably connected to the cover plate (3) through a sealed bearing; the top end of the rotating rod (12) is fixed with a knob (13); the two heating rods (14) are respectively located on both sides of the interior of the first annular plate (9); a portion of the heating rod (14) passes through the cover plate (3); the heating rod (14) is fixedly connected to the contact surface of the cover plate (3); the vertical pipe (15) is fixed to the center of the lower surface of the cover plate (3); the top end of the vertical pipe (15) is fixed with a second valve (16); the second The top end of the valve (16) is fixedly connected to a housing (17), a push-pull plate (18) is provided on the upper part of the interior of the housing (17), the outer wall of the push-pull plate (18) is fixedly sleeved with a rubber sleeve (19), the rubber sleeve (19) is tightly abutted against the inner wall of the housing (17), a vertical rod (20) is inserted into the center of the upper surface of the housing (17), the vertical rod (20) passes through a part of the housing (17) and is fixedly connected to the contact surface of the push-pull plate (18), the top end of the vertical rod (20) is fixedly connected to an electric telescopic rod (21), the outer shell of the electric telescopic rod (21) is fixedly connected to the contact surface of the horizontal plate (7), and heat transfer oil (22) is provided inside the first annular plate (9) and the housing (17).

2. The pulp fiber fixing device according to claim 1, characterized in that: Observation windows (23) are embedded and fixed on both sides of the front surface of the housing (17).

3. The pulp fiber fixing device according to claim 1, characterized in that: U-shaped plates (24) are fixedly connected to both sides of the lower surface of the shell (17), and the top end of the U-shaped plate (24) is fixedly connected to the lower surface of the transverse plate (7).

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