Sand mold 3D printing adhesive production device

Abstract

The utility model relates to the technical field of adhesive production, in particular to a sand mold 3D printing adhesive production device which comprises a bottom plate, supporting plates are vertically fixed to the two sides of the upper end of the bottom plate, a mixing rotary drum is connected between the pair of supporting plates through bearings, and a first motor with the output end connected with one end of the mixing rotary drum is installed on the outer side of one supporting plate. A stirring mechanism opposite to the mixing rotary drum in rotating direction is arranged in the mixing rotary drum, a scraping plate in contact with the inner wall of the mixing rotary drum is arranged on the stirring mechanism, a positioning screw acting on the mixing rotary drum is in threaded connection with the supporting plate, and an air filtering assembly is arranged at the rear end of the mixing rotary drum. The device disclosed by the utility model has the advantages that the mixing drum is driven to rotate by the motor I, and the interior of the mixing drum is reversely stirred by the stirring mechanism, so that the stirring is uniform; the stirring mechanism drives the scraping plate to scrape off adhesive components adsorbed on the inner wall of the mixing drum, so that the adhesive is conveniently discharged, and waste is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of adhesive production, in particular to a production device for sand mold 3D printing adhesives. Background Art

[0002] The adhesive used in sand mold 3D printing is a special material, which is used to bond powdery materials together during the 3D printing process to form the cross-section of a part, and then the final product is constructed by layer-by-layer stacking.

[0003] During the production process of the adhesive, in order to improve the effect of the adhesive, a variety of components need to be added. When the existing sand mold 3D printing adhesive production device is used, various components are usually poured into a mixing barrel, and then a mixing rod is driven by a motor to stir and mix them. However, this mixing method is not uniform, and various components are prone to settle to the bottom, resulting in insufficient reaction, affecting the quality and production efficiency of the adhesive. Moreover, the adhesive is easily adhered to the inside of the mixing barrel, making it inconvenient to discharge, easily causing waste, and irritating gases are generated during the production of the adhesive, affecting the physical health of the staff. Content of the Utility Model

[0004] I. Technical Problems to be Solved

[0005] The technical problem to be solved by the utility model is that the existing sand mold 3D printing adhesive production device mixes various components unevenly, and the adhesive is not easy to discharge, and the irritating gases generated will affect the physical health of the staff.

[0006] II. Technical Solutions

[0007] To solve the above technical problems, the technical solution provided by the utility model is: a production device for sand mold 3D printing adhesives, including a bottom plate, two vertical support plates are fixedly arranged on both sides of the upper end of the bottom plate, a mixing drum is connected by bearings between a pair of the support plates, a first motor with an output end connected to one end of the mixing drum is installed outside one of the support plates, a stirring mechanism with a rotation direction opposite to that of the mixing drum is arranged in the mixing drum, a scraping plate in contact with the inner wall of the mixing drum is arranged on the stirring mechanism, a positioning screw rod acting on the mixing drum is threadedly connected to the support plate, and an air filtering component is arranged at the rear end of the mixing drum.

[0008] Furthermore, a sealing cylinder cover is bolted to one end of the mixing drum, a rotating shaft bearing-connected to the support plate is arranged at the center of the outer side of the sealing cylinder cover, a feed pipe and a discharge pipe are respectively arranged at the upper and lower parts of the middle of the mixing drum, a control valve is arranged on the discharge pipe, and a sealing cover is threadedly connected to the end of the feed pipe.

[0009] Furthermore, the stirring mechanism includes a bracket installed outside one of the support plates. A second motor is installed on the bracket. The output end of the second motor is connected to a second rotating shaft that passes through the rotating shaft and the sealing cylinder cover. A number of stirring rods are provided on the second rotating shaft, and the scraper is fixed to the number of stirring rods.

[0010] Furthermore, a turntable is fixed to the outer end of the positioning screw. A pair of positioning sleeves that cooperate with the inner end of the positioning screw are fixed to one end of the mixing drum. The pair of positioning sleeves are respectively in the same direction as the feed pipe and the discharge pipe.

[0011] Furthermore, the air filtration assembly includes a filtration box located at the rear end of the bottom plate. An air pump is installed at the upper end of the filtration box and is communicated with the filtration box. The input end of the air pump is connected to a collection hood that is fixed to the upper side of one side of the filtration box and faces the mixing drum.

[0012] Furthermore, a filter element is horizontally installed in the filtration box. A sealed box door is installed on one side of the filtration box. An exhaust port is provided at the lower end of one side of the filtration box, and a dust-proof net is installed outside the exhaust port.

[0013] III. Beneficial Effects

[0014] The advantages of the present utility model compared with the prior art are as follows:

[0015] 1. The mixing drum is driven to rotate by the first motor, and the inside of the mixing drum is reversely stirred by the stirring mechanism and the scraper, so that the various components of the adhesive in the mixing drum are stirred evenly, and the various components will not settle at the bottom of the mixing drum, resulting in insufficient reaction, thereby improving the quality and production efficiency of the adhesive.

[0016] 2. The scraper is driven by the stirring mechanism to scrape off the adhesive components adsorbed on the inner wall of the mixing drum, which is convenient for thorough reaction; and when the adhesive is discharged, it is convenient to scrape off the adhesive adsorbed on the inner wall of the mixing drum to prevent waste.

[0017] 3. The position of the mixing drum is fixed by the cooperation of the positioning screw and the positioning sleeve, so that the feed pipe and the discharge pipe are respectively located on the upper and lower sides, which is convenient for feeding and discharging respectively.

[0018] 4. The irritating gas around the mixing drum is extracted and filtered by the air filtration assembly to prevent it from affecting the physical health of the staff. Description of the Drawings

[0019] Figure 1 is the overall sectional structure diagram of the present utility model.

[0020] Figure 2 is the overall structure diagram of the present utility model.

[0021] Figure 3It is the structural diagram of the stirring mechanism of the present utility model.

[0022] Figure 4 It is the structural diagram of the mixing drum of the present utility model.

[0023] Figure 5 It is the structural diagram of the air filtration component of the present utility model.

[0024] As shown in the figure: 1. Bottom plate, 2. Support plate, 3. Mixing drum, 4. Motor 1, 5. Stirring mechanism, 6. Scraper, 7. Positioning screw, 8. Air filtration component; 9. Sealing cylinder cover, 10. Rotating shaft, 11. Feed pipe; 12. Discharge pipe, 13. Control valve, 14. Sealing cover; 15. Bracket, 16. Motor 2, 17. Rotating shaft 2, 1701. Stirring rod; 18. Turntable, 19. Positioning sleeve, 20. Filter box, 2001. Exhaust port, 21. Air pump, 22. Collection hood; 23. Filter element, 24. Sealing box door, 25. Dust-proof net. Specific implementation mode

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0026] Embodiment 1

[0027] Combined with the attached Figure 1 、attached Figure 2 A sand mold 3D printing adhesive production device includes a bottom plate 1. On both sides of the upper end of the bottom plate 1, support plates 2 are vertically fixed. Between a pair of the support plates 2, a mixing drum 3 is connected by bearings. Outside one of the support plates 2, a motor 1 with an output end connected to one end of the mixing drum 3 is installed. Inside the mixing drum 3, there is a stirring mechanism 5 rotating in the opposite direction to its rotation direction. On the stirring mechanism 5, there is a scraper 6 in contact with the inner wall of the mixing drum 3. On the support plate 2, a positioning screw 7 acting on the mixing drum 3 is threadedly connected. At the rear end of the mixing drum 3, there is an air filtration component 8.

[0028] Combined with the above structure, various components of the adhesive are put into the mixing drum 3. The mixing drum 3 is driven to rotate by the motor 1, and the inside of the mixing drum 3 is reversely stirred by the stirring mechanism 5, so that various components of the adhesive in the mixing drum 3 are stirred evenly, and various components will not settle at the bottom of the mixing drum 3, resulting in insufficient reaction, thereby improving the quality and production efficiency of the adhesive;

[0029] Combined with the attached Figure 4, one end of the mixing drum 3 is bolted with a sealing cover 9, which facilitates the removal and cleaning of the mixing drum 3; a rotating shaft 10 bearing-connected to the support plate 2 is provided at the center of the outer side of the sealing cover 9. The upper and lower parts of the middle of the mixing drum 3 are respectively provided with a feed pipe 11 and a discharge pipe 12. A control valve 13 is provided on the discharge pipe 12, and a sealing cover 14 is threadedly connected to the end of the feed pipe 11.

[0030] Combined with the above structure, various components of the adhesive are injected into the mixing drum 3 through the feed pipe 11 and sealed through the sealing cover 14; the adhesive is discharged from the discharge pipe 12 by opening the control valve 13.

[0031] Combined with the attached Figure 3 , the stirring mechanism 5 includes a bracket 15 installed outside one of the support plates 2. A second motor 16 is installed on the bracket 15. The output end of the second motor 16 is connected to a second rotating shaft 17 passing through the rotating shaft 10 and the sealing cover 9. A number of stirring rods 1701 are provided on the second rotating shaft 17, and the scraper 6 is fixed on a number of the stirring rods 1701.

[0032] Combined with the above structure, when the stirring mechanism 5 is in use, the second rotating shaft 17 is driven to rotate by the second motor 16, so that a number of stirring rods 1701 drive the scraper 6 to rotate around the second rotating shaft 17 as the axis, stirring the inside of the mixing drum 3. The adhesive components adsorbed on the inner wall of the mixing drum 3 are scraped off by the scraper 6, facilitating thorough reaction; and when the adhesive is discharged, the adhesive adsorbed on the inner wall of the mixing drum 3 is scraped off by the scraper 6 to prevent waste.

[0033] Combined with the attached Figure 3 、the attached Figure 4 , a turntable 18 is fixed at one end of the outer side of the positioning screw 7. A pair of positioning sleeves 19 cooperating with the inner ends of the positioning screw 7 are fixed at one end of the mixing drum 3. The pair of positioning sleeves 19 are respectively in the same direction as the feed pipe 11 and the discharge pipe 12.

[0034] Combined with the above mechanism, rotate the turntable 18 to horizontally move the positioning screw 7, so that the end of the positioning screw 7 enters the positioning sleeve 19, thereby fixing the position of the mixing drum 3, making the feed pipe 11 and the discharge pipe 12 located on the upper and lower sides respectively, facilitating feeding and discharging respectively.

[0035] Combined with the attached Figure 5, the air filtration assembly 8 includes a filtration box 20 located at the rear end of the bottom plate 1. An air pump 21 is installed at the upper end of the filtration box 20 and is connected to it. The input end of the air pump 21 is connected to a collection hood 22 fixed to the upper side of one side of the filtration box 20 and facing the mixing drum 3. A filter element 23 is horizontally installed in the filtration box 20. A sealed box door 24 is installed on one side of the filtration box 20. An exhaust port 2001 is provided at the lower end of one side of the filtration box 20. A dust-proof net 25 is installed outside the exhaust port 2001 to prevent dust from entering.

[0036] Combined with the above structure, when the air filtration assembly 8 is in use, the air pump 21 is started to extract the irritating gas around the mixing drum 3 by the collection hood 22 and transport it into the filtration box 20. After being filtered by the filter element 23, it is discharged through the exhaust port 2001 to prevent the irritating gas from affecting the health of the staff.

[0037] The specific usage method is as follows:

[0038] Various components of the adhesive are injected into the mixing drum 3 through the feed pipe 11 and sealed by the cover 14. The mixing drum 3 is driven to rotate by the first motor 4, and the second motor 16 of the stirring mechanism 5 drives the second rotating shaft 17 to rotate. Thus, a plurality of stirring rods 1701 drive the scraping plate 6 to rotate around the second rotating shaft 17 as the axis, stirring the inside of the mixing drum 3 to make the stirring uniform, so that various components will not settle at the bottom of the mixing drum 3, resulting in insufficient reaction, thereby improving the quality and production efficiency of the adhesive; the irritating gas around the filtration device is filtered by the air filtration assembly 8 to prevent it from affecting the health of the staff; and when the adhesive is discharged, it enters the positioning sleeve 19 through the end of the positioning screw 7, thereby fixing the position of the mixing drum 3 and making the discharge pipe 12 located on the lower side for discharging. The scraping plate 6 is driven by the stirring mechanism 5 to scrape off the adhesive adsorbed on the inner wall of the mixing drum 3 to prevent waste.

[0039] The above describes the present invention and its implementation manners. This description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design similar structural manners and embodiments without creative work without departing from the creative purpose of the present invention, they shall fall within the protection scope of the present invention.

Claims

1. A sand mold 3D printing adhesive production device, comprising a base plate (1), characterized in that: Support plates (2) are vertically fixed on both sides of the upper end of the bottom plate (1); a mixing drum (3) is connected to a pair of bearings between the support plates (2); a motor (4) whose output end is connected to one end of the mixing drum (3) is installed on the outer side of one of the support plates (2); a stirring mechanism (5) is provided in the mixing drum (3) in the opposite direction of its rotation; a scraper (6) is provided on the stirring mechanism (5) and contacts the inner wall of the mixing drum (3); a positioning screw (7) is threadedly connected to the support plate (2) and acts on the mixing drum (3); and an air filter assembly (8) is provided at the rear end of the mixing drum (3).

2. A sand mold 3D printing adhesive production device according to claim 1, characterized in that: A sealing cylinder cover (9) is bolted to one end of the mixing cylinder (3); a rotating shaft (10) connected to a bearing of the support plate (2) is provided at the center of the outer side of the sealing cylinder cover (9); a feed pipe (11) and a discharge pipe (12) are provided at the upper and lower parts of the middle of the mixing cylinder (3); a control valve (13) is provided on the discharge pipe (12); and a sealing cover (14) is threadedly connected to the end of the feed pipe (11).

3. A sand mold 3D printing adhesive production device according to claim 2, characterized in that: The stirring mechanism (5) comprises a bracket (15) mounted outside the support plate (2), a second motor (16) being mounted on the bracket (15), an output end of the second motor (16) being connected to a second rotating shaft (17) passing through a rotating shaft (10) and a sealing cylinder cover (9), a plurality of stirring rods (1701) being arranged on the second rotating shaft (17), and the scraper (6) being fixed on the plurality of stirring rods (1701).

4. A sand mold 3D printing adhesive production device according to claim 2, characterized in that: A turntable (18) is fixed to one end of the outer side of the positioning screw (7), and a pair of positioning sleeves (19) that cooperate with one end of the inner side of the positioning screw (7) are fixed to one end of the mixing drum (3), and the pair of positioning sleeves (19) are respectively aligned with the direction of the feed pipe (11) and the discharge pipe (12).

5. A sand mold 3D printing adhesive production device according to claim 1, characterized in that: The air filter assembly (8) comprises a filter box (20) located at the rear end of the base plate (1); an air pump (21) connected to the filter box (20) is installed at the upper end; the input end of the air pump (21) is connected to a collection cover (22) fixed at the upper end of one side of the filter box (20) and facing the mixing drum (3).

6. A sand mold 3D printing adhesive production device according to claim 5, characterized in that: A filter element (23) is horizontally installed in the filter box (20), a sealed box door (24) is installed on one side of the filter box (20), an exhaust port (2001) is provided at the lower end of one side of the filter box (20), and a dustproof net (25) is installed outside the exhaust port (2001).

Images