Novel material stirring device for preparing environment-friendly medium density fiberboard adhesive

Abstract

The utility model discloses a novel material stirring device for preparing an environment-friendly medium density fiberboard adhesive, which is characterized in that a stirring motor is arranged on a stirring tank, a stirring tank output pipe is arranged at the bottom of the stirring tank, an output control valve is arranged on the stirring tank output pipe, the stirring tank is respectively connected with a plurality of liquid-phase material input devices through pipelines, and the liquid-phase material input devices are connected with the stirring motor. According to the novel material stirring device for preparing the environment-friendly medium density fiberboard adhesive, the conditions that in the prior art, multi-component and multi-time feeding is needed in the actual using process, manual operation is adopted in the prior art, and the working intensity is large are improved, liquid-phase materials are input by arranging the liquid pump, powdery solid-phase materials are input in an air conveying mode, and the stirring efficiency is greatly improved. The automation degree of equipment can be effectively improved, materials can be added into the stirring tank regularly and quantitatively, the manual operation or charging frequency and the physical load of a worker are reduced, the matching stability of different batches is improved, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring equipment, in particular to a new material stirring device for preparing an environmentally friendly medium-density fiberboard adhesive. Background Art

[0002] Medium-density fiberboard is a kind of man-made board made of wood fiber or other plant fiber as raw materials. After crushing, fiber separation, drying, urea-formaldehyde resin or other suitable adhesives are applied, and then hot-pressed. Water-based glue is the most suitable for making hard packaging for medium-density fiberboard.

[0003] Patent No. CN201110200611.7 discloses a moisture-proof and environmentally friendly urea-formaldehyde resin adhesive for medium-density fiberboard and its composite additives. The adhesive is mainly made of the following raw materials in parts by weight: 50-60 parts of formaldehyde with a mass concentration of 37%, 35-40 parts of urea with a purity of 98%, and 4.5-7.5 parts of composite additives; the composite additives include the following components in parts by weight: 40-90 parts of melamine, 1-30 parts of modified starch, 1-30 parts of anti-swelling agent, and 1-30 parts of promoter. 1 to 5 parts of the agent are added. The use of renewable and cheap modified starch can improve the water resistance and bonding strength of urea-formaldehyde resin adhesive, reduce the formaldehyde release, reduce the amount of melamine used, and have stable product quality and low cost. The invention also discloses a production method of the adhesive: formaldehyde is added twice, the composite auxiliary agent is added three times and the three-time endpoint control is performed, and urea is added four times, so that less auxiliary agents can play a greater role, and the problems of too fast reaction caused by melamine and too long curing time of the adhesive can be avoided.

[0004] However, the existing technology requires multiple components and multiple feedings during actual use, and the existing technology is all manually operated, which has the problem of high work intensity. Utility Model Content

[0005] Therefore, in view of the above problems, the utility model proposes a new material stirring device for preparing environmentally friendly medium-density fiberboard adhesive, which solves the technical problems that the existing technology requires multiple components and multiple feedings during actual use, and the existing technology is all manually operated and has high work intensity.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a new material stirring device for preparing environmentally friendly medium-density fiberboard adhesive, whose structure includes a stirring tank, a stirring motor, an output control valve, a liquid material input device, and a solid material input device. The stirring tank is provided with a stirring motor, a stirring tank output pipe is provided at the bottom of the stirring tank, and an output control valve is provided on the stirring tank output pipe. The stirring tank is also connected to multiple liquid material input devices respectively through pipelines, and the stirring tank is also connected to multiple solid material input devices respectively through pipelines.

[0007] Furthermore, the liquid material input device includes a liquid tank, an output pump, a pipette, a flow detector, a liquid tank stirring motor, and a liquid tank stirring rod. The liquid tank is provided with an output pump, the output pump is connected to the pipette, the pipette is connected to the bottom of the liquid tank, the output pump is connected to the stirring tank through an output pipe, the output pipe is provided with a flow detector, the liquid tank is also provided with a liquid tank stirring motor, and the liquid tank stirring motor is connected to the liquid tank stirring rod.

[0008] Furthermore, a set of the liquid material input device can supply multiple stirring tanks through a branch pipe.

[0009] Furthermore, the solid-phase material input device includes a material tank, a blower, a quantitative unloading drive motor, a quantitative unloading screw, and an air delivery pipe. A material tank output pipe connected to the air delivery pipe is arranged at the lower end of the material tank, and the front end of the air delivery pipe is connected to the blower. A quantitative unloading screw is arranged inside the material tank output pipe, and the quantitative unloading screw is connected to the quantitative unloading drive motor.

[0010] Furthermore, the diameter of the portion of the quantitative feeding screw arranged in the feeding hopper is larger than the diameter of the output pipe of the material tank.

[0011] Furthermore, the set of solid-phase material input devices supplies multiple stirring tanks through a diversion pipe.

[0012] By adopting the above-mentioned technical scheme, the beneficial effect of the utility model is as follows: the new material stirring device for preparing the environmentally friendly medium-density fiberboard adhesive improves the existing technology which requires multiple components and multiple feedings during actual use. The existing technology is all manually operated and has high work intensity. By setting a liquid pump to input liquid materials and inputting powdered solid materials by air delivery, the automation degree of the equipment can be effectively improved, and materials can be added to the mixing tank at a regular and quantitative manner, reducing the number of manual operations or feeding times and the physical workload, improving the stability of different batch ratios, and improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the liquid material input device of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the solid-phase material input device of the utility model.

[0016] In the figure: 1. stirring tank; 2. stirring motor; 3. output control valve; 4. liquid material input device; 5. solid material input device; 11. liquid tank; 12. output pump; 13. suction tube; 14. flow detector; 15. stirring motor of liquid tank; 16. stirring rod of liquid tank; 21. material tank; 22. blower; 23. quantitative unloading drive motor; 24. quantitative unloading screw; 25. air delivery pipe. DETAILED DESCRIPTION

[0017] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0018] refer to Figure 1-Figure 3 The present embodiment provides a new material stirring device for preparing an environmentally friendly medium-density fiberboard adhesive, and its structure includes a stirring tank 1, a stirring motor 2, an output control valve 3, a liquid-phase material input device 4, and a solid-phase material input device 5. The stirring tank 1 is provided with a stirring motor 2, and a stirring tank 1 output pipe is provided at the bottom of the stirring tank 1. The output control valve 3 is provided on the stirring tank 1 output pipe. The stirring tank 1 is also connected to multiple liquid-phase material input devices 4 through pipelines, and the stirring tank 1 is also connected to multiple solid-phase material input devices 5 through pipelines.

[0019] The liquid material input device 4 includes a liquid tank 11, an output pump 12, a pipette 13, a flow detector 14, a liquid tank stirring motor 15, and a liquid tank stirring rod 16. The output pump 12 is arranged on the liquid tank 11, and the output pump 12 is connected to the pipette 13. The pipette 13 is connected to the bottom of the liquid tank 11. The output pump 12 is connected to the stirring tank 1 through an output pipe. The flow detector 14 is arranged on the output pipe. The liquid tank 11 is also provided with a liquid tank stirring motor 15, and the liquid tank stirring motor 15 is connected to the liquid tank stirring rod 16.

[0020] One set of the liquid material input device 4 can supply multiple stirring tanks 1 through the branch pipeline.

[0021] The solid-phase material input device 5 includes a material tank 21, a blower 22, a quantitative unloading drive motor 23, a quantitative unloading screw 24, and an air delivery pipe 25. The lower end of the material tank 21 is provided with a material tank 21 output pipe connected to the air delivery pipe 25, and the front end of the air delivery pipe 25 is connected to the blower 22. The quantitative unloading screw 24 is arranged inside the material tank 21 output pipe, and the quantitative unloading screw 24 is connected to the quantitative unloading drive motor 23.

[0022] A gas-solid separation mechanism is provided or an inlet pipe is directly extended below the liquid surface for filling.

[0023] The diameter of the portion of the quantitative feeding screw 24 disposed in the feeding hopper is larger than the diameter of the output pipe of the material tank 21 .

[0024] The set of solid-phase material input devices 5 supplies the plurality of stirring tanks 1 via a diversion pipe.

[0025] The new material stirring device for preparing environmentally friendly medium-density fiberboard adhesive improves the existing technology which requires multiple components and multiple feedings during actual use. The existing technology is all manually operated and has high work intensity. By setting a liquid pump to input liquid phase materials and inputting powdered solid phase materials by air delivery, the automation degree of the equipment can be effectively improved, and materials can be added to the mixing tank 1 at a regular and quantitative time, reducing the number of manual operations or feeding times and the physical workload, improving the stability of different batch ratios, and improving product quality.

[0026] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A new material stirring device for preparing environmentally friendly medium-density fiberboard adhesive, characterized by: Its structure includes a stirring tank, a stirring motor, an output control valve, a liquid-phase material input device, and a solid-phase material input device. The stirring tank is provided with a stirring motor, a stirring tank output pipe is provided at the bottom of the stirring tank, and an output control valve is provided on the stirring tank output pipe. The stirring tank is also connected to a plurality of liquid-phase material input devices through pipelines, and the stirring tank is also connected to a plurality of solid-phase material input devices through pipelines. The liquid-phase material input device comprises a liquid tank, an output pump, a liquid pipette, a flow detector, a liquid tank stirring motor, and a liquid tank stirring rod. The liquid tank is provided with an output pump, the output pump is connected to the liquid pipette, the liquid pipette is connected to the bottom of the liquid tank, the output pump is connected to the stirring tank through an output pipe, the output pipe is provided with a flow detector, the liquid tank is also provided with a liquid tank stirring motor, and the liquid tank stirring motor is connected to the liquid tank stirring rod; The solid-phase material input device includes a material tank, a blower, a quantitative unloading drive motor, a quantitative unloading screw, and an air delivery pipe. A material tank output pipe connected to the air delivery pipe is arranged at the lower end of the material tank, and the front end of the air delivery pipe is connected to the blower. A quantitative unloading screw is arranged inside the material tank output pipe, and the quantitative unloading screw is connected to the quantitative unloading drive motor.

2. The novel material stirring device for preparing an environmentally friendly medium-density fiberboard adhesive according to claim 1 is characterized by: One set of the liquid material input device can supply multiple stirring tanks through the branch pipeline.

3. The novel material stirring device for preparing an environmentally friendly medium-density fiberboard adhesive according to claim 1 is characterized by: The diameter of the portion of the quantitative feeding screw arranged in the feeding hopper is larger than the diameter of the output pipe of the material tank.

4. The novel material stirring device for preparing an environmentally friendly medium-density fiberboard adhesive according to claim 1 is characterized by: The set of solid-phase material input devices supplies multiple stirring tanks through a diversion pipe.

Images