Raw material blending and mixing device for urea-formaldehyde glue production

Abstract

The utility model provides a raw material blending and mixing device for urea-formaldehyde glue production, which comprises a bottom plate, the top of the bottom plate is fixedly provided with a mounting rack, the top of the bottom plate is fixedly provided with a material mixing box, the left side and the right side of the top of the material mixing box are fixedly provided with feed valves, the front side of the material mixing box is fixedly provided with a discharge valve, and the discharge valve is fixedly provided with a discharge valve. A stirring mechanism is arranged on the surface of the mounting frame and comprises a servo motor, a moving block and connecting rods, the servo motor is fixedly mounted on the surface of the mounting frame, the four connecting rods are located on the left side and the right side of the inner side of the mounting frame, and lifting plates are movably connected to the outer sides of the four connecting rods; by arranging the stirring mechanism, raw materials at different heights in the inner cavity of the mixing box can be conveniently mixed, the phenomenon that the raw materials are layered in the mixing process, and consequently the forming effect of urea-formaldehyde glue is affected is effectively avoided, and the urea-formaldehyde glue mixing device is convenient for operators to use.

Description

Technical Field

[0001] The utility model relates to a raw material modulation and mixing device for producing urea-formaldehyde adhesive, belonging to the technical field of mixing devices. Background Art

[0002] Urea-formaldehyde (UF) adhesive is a high-performance synthetic resin derived from the polymerization of urea and formaldehyde. It possesses excellent heat and chemical resistance, as well as mechanical strength, and is often used as a base material for adhesives and coatings. UF adhesive is widely used in wood processing, manufacturing, and construction, particularly in the production of wear-resistant, weather-resistant, and waterproof composite materials and coatings. The production of UF adhesive requires the use of a mixing device.

[0003] Authorization announcement number (CN213966162U) discloses a raw material modulation and mixing device for urea-formaldehyde glue production, comprising a mixing tank, a feed pipe is provided above the mixing tank, a discharge pipe is provided at the bottom of the mixing tank, a heat insulation cover is laid below the outer wall of the mixing tank, a heat exchange chamber is formed between the heat insulation cover and the mixing tank, a liquid inlet pipe is provided above the side wall of the heat insulation cover, a liquid outlet pipe is provided at the lower end of the heat insulation cover, a stirring structure is installed in the mixing tank, the utility model relates to the technical field of urea-formaldehyde glue production, the device has a compact structure, the main rotating shaft is rotated by the motor, so that the gear assembly drives the auxiliary rotating shafts on both sides to rotate synchronously, thereby improving the stirring effect, thereby improving the mixing rate, and according to the actual working conditions, the refrigerant liquid or the heat medium liquid can be input through the liquid inlet pipe, thereby heating or cooling the raw materials in the mixing tank, further improving the reaction rate, and bringing convenience to people's use;

[0004] However, due to the different densities of different raw materials of urea-formaldehyde glue, urea-formaldehyde glue may be stratified during the stirring process. The existing mixing device cannot adjust the mixing height during use and cannot mix the raw materials at different positions, so the raw materials cannot be mixed evenly, which will affect the subsequent molding effect of the urea-formaldehyde glue and is inconvenient for operators to use.

[0005] Therefore, a raw material mixing device for producing urea-formaldehyde adhesive is proposed. Utility Model Content

[0006] In view of this, the utility model provides a raw material modulation and mixing device for urea-formaldehyde glue production to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0007] The technical solution of the present utility model is achieved as follows: a raw material modulation and mixing device for urea-formaldehyde glue production comprises a base plate, a mounting frame is fixedly installed on the top of the base plate, a mixing box is fixedly installed on the top of the base plate, feed valves are fixedly installed on the left and right sides of the top of the mixing box, a discharge valve is fixedly installed on the front side of the mixing box, a stirring mechanism is provided on the surface of the mounting frame, the stirring mechanism comprises a servo motor, a moving block and a connecting rod, the servo motor is fixedly installed on the surface of the mounting frame, the four connecting rods are located on the left and right sides of the inner side of the mounting frame, the outer sides of the four connecting rods are movably connected with a lifting plate, a stirring motor is fixedly installed on the top of the lifting plate, the output end of the stirring motor is fixedly connected to a stirring rod, and stirring blades are fixedly installed on the surface of the stirring rod.

[0008] Further preferably, the output end of the servo motor is fixedly connected to a special-shaped plate, the front and rear sides of the bottom of the special-shaped plate are movably connected to connecting plates, and the two moving blocks are movably connected to the bottoms of the two connecting plates.

[0009] Further preferably, connecting rods are fixedly installed on the front and rear sides of the two moving blocks, U-shaped clamps are fixedly installed on the bottoms of the four connecting rods, and the inner sides of the four connecting rods are movably connected to the inner sides of the four U-shaped clamps.

[0010] Further preferably, movable grooves are provided on both the left and right sides of the top of the mounting frame, and the two movable blocks are slidably connected in the inner cavities of the two movable grooves.

[0011] Further preferably, sliding grooves are provided on both the left and right sides of the inner side of the mounting frame, and both the left and right sides of the lifting plate are slidably connected to the inner cavities of the four sliding grooves.

[0012] Further preferably, a slot is provided on the top of the mixing box, and the stirring rod passes through the inner cavity of the slot and extends into the inner cavity of the mixing box.

[0013] Further preferably, scrapers are fixedly mounted on the outer sides of the three stirring blades, and the outer sides of the four scrapers are all in contact with the inner wall of the mixing box.

[0014] Further preferably, four sides of the top of the base plate are threadedly connected with anchor bolts, and the bottoms of the four anchor bolts are threadedly connected to the ground.

[0015] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0016] 1. The utility model sets a stirring mechanism. Through the output of the servo motor, the connecting plate moves outward, and the connecting rod drives the connecting rod to flip, and drives the stirring motor and the stirring blades to move up and down through the connecting rod. Then, through the output of the stirring motor, the stirring blades start to mix the raw materials in the inner cavity of the mixing box. By adjusting the height of the stirring blades, it is convenient to mix the raw materials at different heights in the inner cavity of the mixing box, effectively avoiding the stratification of the raw materials during the mixing process, thereby affecting the molding effect of urea-formaldehyde glue, and making it convenient for operators to use.

[0017] 2. The utility model can limit the movement of the moving block by providing a moving groove, so as to avoid deviation when the moving block moves, thereby affecting the lifting and lowering of the mixing blade. By providing a sliding groove, the movement of the lifting plate can be limited, so as to avoid deviation when the lifting plate moves, thereby affecting the adjustment of the height of the mixing blade. By providing a slot hole, the movement of the stirring rod can be limited, so as to avoid deviation when the stirring rod moves, thereby affecting the lifting and lowering effect of the stirring blade. By providing a scraper plate, the raw materials stuck to the inner wall of the mixing box can be scraped, so as to avoid the raw materials sticking to the inner wall of the mixing box and being unable to be discharged, resulting in waste of raw materials. By providing anchor bolts, the overall equipment can be stabilized to avoid accidental collision, thereby preventing the overall equipment from tipping over.

[0018] 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

[0019] 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 the description of the prior art. 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 any creative work.

[0020] Figure 1 This is a schematic diagram of the three-dimensional front view structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the stirring mechanism structure of the present utility model;

[0022] Figure 3 This is a schematic diagram of the servo motor structure of the utility model;

[0023] Figure 4This is a schematic diagram of the structure of the stirring motor of the present utility model;

[0024] Figure 5 This is a schematic diagram of the slot structure of the utility model.

[0025] Figure numerals: 1. Base plate; 2. Stirring mechanism; 201. Servo motor; 202. Special-shaped plate; 203. Connecting plate; 204. Moving block; 205. Connecting rod; 206. U-shaped clamp; 207. Connecting rod; 208. Lifting plate; 209. Stirring motor; 210. Stirring rod; 211. Stirring blade; 212. Scraper plate; 213. Moving groove; 214. Sliding groove; 215. Slot hole; 3. Mounting frame; 4. Mixing box; 5. Feed valve; 6. Discharge valve; 7. Anchor bolt. 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] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0028] Example 1

[0029] like Figure 1-5 As shown, the embodiment of the present invention provides a raw material modulation and mixing device for urea-formaldehyde glue production, including a bottom plate 1, a mounting frame 3 is fixedly installed on the top of the bottom plate 1, a mixing box 4 is fixedly installed on the top of the bottom plate 1, a feed valve 5 is fixedly installed on the left and right sides of the top of the mixing box 4, a discharge valve 6 is fixedly installed on the front side of the mixing box 4, a stirring mechanism 2 is provided on the surface of the mounting frame 3, the stirring mechanism 2 includes a servo motor 201, a moving block 204 and a connecting rod 207, the servo motor 201 is fixedly installed on the surface of the mounting frame 3, four connecting rods 207 are located on the left and right sides of the inner side of the mounting frame 3, the outer sides of the four connecting rods 207 are movably connected with a lifting plate 208, and the lifting plate A stirring motor 209 is fixedly installed on the top of 208, and a stirring rod 210 is fixedly connected to the output end of the stirring motor 209. A stirring blade 211 is fixedly installed on the surface of the stirring rod 210. The output end of the servo motor 201 is fixedly connected to the special-shaped plate 202, and the front and rear sides of the bottom of the special-shaped plate 202 are movably connected to the connecting plate 203. The two moving blocks 204 are movably connected to the bottom of the two connecting plates 203. The front and rear sides of the two moving blocks 204 are fixedly installed with connecting rods 205. The bottoms of the four connecting rods 205 are fixedly installed with U-shaped splints 206, and the inner sides of the four connecting rods 207 are movably connected to the inner sides of the four U-shaped splints 206.

[0030] By setting up a stirring mechanism 2, through the output of the servo motor 201, the connecting plate 203 moves outward, and the connecting rod 205 drives the connecting rod 207 to flip, and the connecting rod 207 drives the stirring motor 209 and the stirring blade 211 to move up and down, and then through the output of the stirring motor 209, the stirring blade 211 starts to mix the raw materials in the inner cavity of the mixing box 4. By adjusting the height of the stirring blade 211, it is convenient to mix the raw materials at different heights in the inner cavity of the mixing box 4, effectively avoiding the stratification of the raw materials during the mixing process, thereby affecting the molding effect of the urea-formaldehyde glue, and making it convenient for operators to use.

[0031] Example 2

[0032] like Figure 2-5 As shown, in one embodiment, movable grooves 213 are provided on the left and right sides of the top of the mounting frame 3, and the two movable blocks 204 are slidably connected in the inner cavities of the two movable grooves 213. Sliding grooves 214 are provided on the left and right sides of the inner side of the mounting frame 3, and the left and right sides of the lifting plate 208 are slidably connected in the inner cavities of the four sliding grooves 214. A slot hole 215 is provided on the top of the mixing box 4, and the stirring rod 210 passes through the inner cavity of the slot hole 215 and extends into the inner cavity of the mixing box 4. The outer sides of the three stirring blades 211 are fixedly installed with scrapers 212, and the outer sides of the four scrapers 212 are all in contact with the inner wall of the mixing box 4. The four anchor bolts 7 are threadedly connected to the ground on all sides of the top of the bottom plate 1, and the bottoms of the four anchor bolts 7 are threadedly connected to the ground.

[0033] By providing the movable groove 213, the movement of the movable block 204 can be limited to avoid deviation when the movable block 204 moves, thereby affecting the lifting and lowering of the stirring blade 211. By providing the sliding groove 214, the movement of the lifting plate 208 can be limited to avoid deviation when the lifting plate 208 moves, thereby affecting the adjustment of the height of the stirring blade 211. By providing the slot hole 215, the movement of the stirring rod 210 can be limited to avoid deviation when the stirring rod 210 moves, thereby affecting the lifting and lowering effect of the stirring blade 211. By providing the scraper plate 212, the raw materials stuck to the inner wall of the mixing box 4 can be scraped to avoid the raw materials sticking to the inner wall of the mixing box 4 and being unable to be discharged, resulting in waste of raw materials. By providing the anchor bolts 7, the overall equipment can be stabilized to avoid accidental collision, thereby preventing the overall equipment from tipping over.

[0034] When the utility model is working: the raw materials are injected into the inner cavity of the mixing box 4 through the feed valve 5, and then the stirring rod 210 drives the stirring blade 211 and the scraper plate 212 to rotate through the output of the stirring motor 209, and then the output of the servo motor 201 causes the special-shaped plate 202 to rotate back and forth. At this time, the connecting plate 203 drives the moving block 204 to move back and forth inside and outside, and the connecting rod 205 and the U-shaped clamping plate 206 move synchronously with the moving block 204, and cause the connecting rod 207 to flip over. As the connecting rod 207 flips over, the lifting plate 208 drives the stirring motor 209, the stirring rod 210 and the stirring blade 211 to move back and forth up and down, thereby completing the mixing of raw materials at different heights.

[0035] 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 raw material mixing device for urea-formaldehyde adhesive production, comprising a bottom plate (1), characterized in that: A mounting frame (3) is fixedly mounted on the top of the base plate (1), a mixing box (4) is fixedly mounted on the top of the base plate (1), a feed valve (5) is fixedly mounted on the left and right sides of the top of the mixing box (4), a discharge valve (6) is fixedly mounted on the front side of the mixing box (4), a stirring mechanism (2) is provided on the surface of the mounting frame (3), the stirring mechanism (2) comprises a servo motor (201), a moving block (204) and a connecting rod (207), the servo motor (201) is fixedly mounted on the surface of the mounting frame (3), four connecting rods (207) are located on the left and right sides of the inner side of the mounting frame (3), the outer sides of the four connecting rods (207) are movably connected to a lifting plate (208), a stirring motor (209) is fixedly mounted on the top of the lifting plate (208), an output end of the stirring motor (209) is fixedly connected to a stirring rod (210), and a stirring blade (211) is fixedly mounted on the surface of the stirring rod (210).

2. The raw material mixing device for urea-formaldehyde adhesive production according to claim 1, characterized in that: The output end of the servo motor (201) is fixedly connected to a special-shaped plate (202), the front and rear sides of the bottom of the special-shaped plate (202) are movably connected to connecting plates (203), and the two moving blocks (204) are movably connected to the bottoms of the two connecting plates (203).

3. The raw material mixing device for urea-formaldehyde adhesive production according to claim 1, characterized in that: Connecting rods (205) are fixedly installed on the front and rear sides of the two moving blocks (204), U-shaped clamping plates (206) are fixedly installed on the bottoms of the four connecting rods (205), and the inner sides of the four connecting rods (207) are movably connected to the inner sides of the four U-shaped clamping plates (206).

4. The raw material preparation and mixing device for urea-formaldehyde adhesive production according to claim 1, characterized in that: The left and right sides of the top of the mounting frame (3) are both provided with moving grooves (213), and the two moving blocks (204) are both slidably connected in the inner cavities of the two moving grooves (213).

5. The raw material preparation and mixing device for urea-formaldehyde adhesive production according to claim 1, characterized in that: Sliding grooves (214) are provided on both the left and right sides of the inner side of the mounting frame (3), and both the left and right sides of the lifting plate (208) are slidably connected to the inner cavities of the four sliding grooves (214).

6. The raw material preparation and mixing device for urea-formaldehyde adhesive production according to claim 1, characterized in that: A slot hole (215) is provided on the top of the mixing box (4), and the stirring rod (210) passes through the inner cavity of the slot hole (215) and extends into the inner cavity of the mixing box (4).

7. The raw material mixing device for urea-formaldehyde adhesive production according to claim 1, characterized in that: The outer sides of the three stirring blades (211) are all fixedly mounted with scraper plates (212), and the outer sides of the four scraper plates (212) are all in contact with the inner wall of the mixing box (4).

8. The raw material preparation and mixing device for urea-formaldehyde adhesive production according to claim 1, characterized in that: The four sides of the top of the base plate (1) are all threadedly connected with anchor bolts (7), and the bottoms of the four anchor bolts (7) are all threadedly connected to the ground.

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