Automatic feeding device for heat preservation plate core material processing

Abstract

The invention discloses an automatic feeding device for heat preservation plate core material processing, and relates to the technical field of heat preservation plate core material processing, the automatic feeding device comprises a conveying pipeline, and the conveying pipeline comprises a straight pipe section and a bent pipe section; a rotating shaft coaxial with the straight pipe section is movably installed on the conveying pipeline through a support, and spiral blades are installed on the rotating shaft. One end of the straight pipe section is provided with an end cover, and the end cover is provided with a circular groove coaxial with the rotating shaft. According to the feeding device, the water channel is formed in the rotating shaft, the multiple water outlet holes are formed in the tail end of the rotating shaft, when the rotating shaft drives the spiral blade to rotate to convey powder, water in the rotating shaft can be discharged from the water outlet holes, the powder about to leave the circular groove is wetted, and the phenomenon that the powder escapes after leaving the feeding device is greatly reduced; and the water outlet quantity at the water outlet holes is kept relatively balanced, and the flow of the material powder penetrating through the circular groove is also relatively balanced, so that the uniformity after the material powder and the water are mixed is relatively consistent.

Description

Technical Field

[0001] The invention relates to the technical field of thermal insulation board core material processing, in particular to an automatic feeding device for thermal insulation board core material processing. Background Art

[0002] The core material of the insulation board is the core part of the insulation board, and its main function is to provide thermal insulation performance. Common types of insulation board core materials include polystyrene, foamed glass, polyurethane, rock wool, glass wool and phenolic foam. There are two types of foamed glass manufacturing: dry forming and wet forming. If dry pressing is used, the raw materials are directly mixed and pressed without adding water; if wet forming is used, a small amount of water needs to be added to the raw materials to assist in forming. During processing, the broken glass and auxiliary materials such as foaming agent are first ground together and mixed into a uniform powder, and then water is added to the powder to form a paste. The paste is then added to a heat-resistant mold. After preheating, sintering, foaming and other processes, the batch material is melted and foamed to expand and fill the mold.

[0003] The Chinese invention patent application with the publication number CN118723442A discloses a powder feeding conveyor for foam glass production, including a mounting base, a powder feeding component, and a supporting component between the mounting base and the powder feeding component. The application drives a screw conveyor driven by a driving motor to convey powder for foam glass production. When powder is discharged from a feeding pipe and scattered, the scattered powder is collected and dried by a scattered powder collecting component, a connecting pipe, and a scattered powder collecting and drying component, and the collected powder is conveyed to the inside of a conveying bin, thereby preventing the scattered powder from escaping into the external environment and falling onto the ground, and by drying the collected powder, moisture in a high humidity environment can be prevented from entering the collected powder.

[0004] In the prior art including the above patents, the powder is basically fed into the material tank through a feeding device and then water is added and stirred to form a paste. The powder is prone to flying away during the falling process after leaving the feeding device and during the subsequent water addition process, which seriously affects the air quality of the production site, and uneven stirring is prone to occur during the water addition and stirring process. Based on this, how to reduce the flying of powder during the feeding process and improve the uniformity of the powder after adding water and stirring are problems that technicians in this field need to solve. Summary of the invention

[0005] The object of the present invention is to provide an automatic feeding device for processing core materials of thermal insulation boards to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic feeding device for processing core materials of insulation boards, comprising a conveying pipeline, wherein the conveying pipeline comprises a straight pipe section and a curved pipe section; a rotating shaft coaxial with the straight pipe section is movably mounted on the conveying pipeline through a bracket, and a spiral blade is mounted on the rotating shaft; an end cover is mounted at one end of the straight pipe section, and a circular groove coaxial with the rotating shaft is opened on the end cover.

[0007] The rotating shaft is a hollow shaft, and a plurality of water outlet holes are provided at positions on the rotating shaft extending to the outside of the end cover. The water outlet holes are evenly arranged around the rotating shaft and are all connected to the inside of the rotating shaft.

[0008] As a preferred technical solution of the present invention, the water outlet is strip-shaped and parallel to the axis of the rotating shaft, and a water retaining sleeve coaxial with the rotating shaft is fixedly installed on the groove wall of the circular groove through a support arm. The water retaining sleeve fits the rotating shaft and corresponds to the position of the water outlet.

[0009] As a preferred technical solution of the present invention, a sleeve that movably cooperates with the rotating shaft is fixedly installed on the conveying pipeline, a protrusion is provided on the fixed sleeve outside the rotating shaft, a telescopic spring sleeved on the rotating shaft is fixedly installed on one end of the protrusion, a mounting ring is rotatably installed on one end of the sleeve, and one end of the telescopic spring is fixedly connected to the mounting ring.

[0010] As a preferred technical solution of the present invention, the top end of the conveying pipeline is fixedly connected to the mounting seat, a motor is fixedly installed below the mounting seat through a mounting frame, a driving gear is fixedly installed on the output section of the motor, and a driven gear meshing with the driving gear is fixedly sleeved on the rotating shaft; a water pipe is fixedly installed on the mounting frame, and the top end of the rotating shaft extends into the interior of the water pipe and cooperates with the water pipe.

[0011] As a preferred technical solution of the present invention, a spiral groove is provided inside the spiral blade, and a first through hole connected to one end of the spiral groove and a second through hole connected to the other end of the spiral groove are provided on the rotating shaft.

[0012] As a preferred technical solution of the present invention, a water retaining ring is fixedly installed at a position inside the rotating shaft between the first through hole and the second through hole, a rigid shaft coaxial with the rotating shaft is fixedly installed on the groove wall of the circular groove through a support arm, the rigid shaft extends into the interior of the rotating shaft and movably cooperates with the rotating shaft, and a water retaining block cooperating with the water retaining ring is installed at one end of the rigid shaft; when the water retaining ring and the water retaining block are in a fit state, they play a sealing role on the inside of the rotating shaft.

[0013] As a preferred technical solution of the present invention, the water retaining ring is made of magnetic material, the water retaining block is made of iron, and the surfaces of the water retaining ring and the water retaining block are coated with a waterproof layer.

[0014] As a preferred technical solution of the present invention, a plurality of stirring arms are installed on the rotating shaft between the spiral blade and the circular groove, and the stirring arms are evenly arranged along the circumference of the rotating shaft.

[0015] In the above technical scheme, the present invention provides an automatic feeding device for processing the core material of the insulation board, a water channel is opened in the rotating shaft, and a plurality of water outlet holes are opened at the end of the rotating shaft. When the rotating shaft drives the spiral blades to rotate to transport the powder, the water in the rotating shaft will also be discharged from the water outlet holes to moisten the powder that is about to leave the circular groove, thereby greatly reducing the phenomenon of the powder flying away after leaving the feeding device; and since the water output at the water outlet holes remains relatively balanced, the powder flow rate passing through the circular groove is also relatively balanced, so the uniformity of the powder and water after mixing is relatively consistent.

[0016] In addition, the present invention not only cools the rotating shaft but also the spiral blades through water, which greatly reduces the temperature increase of the rotating shaft and the spiral blades due to friction with the material powder during the conveying process and increases the service life of the rotating shaft and the spiral blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a first stereoscopic view of the automatic feeding device for processing the core material of the thermal insulation board in the embodiment;

[0019] Figure 2 for Figure 1 The enlarged schematic diagram of point A in the middle;

[0020] Figure 3 for Figure 1 The enlarged schematic diagram of point B in the middle;

[0021] Figure 4 for Figure 1 The enlarged schematic diagram of the center C;

[0022] Figure 5 It is a second stereoscopic view of the automatic feeding device for processing the core material of the thermal insulation board in the embodiment;

[0023] Figure 6 for Figure 5 Enlarged schematic diagram of point D in the middle.

[0024] Description of reference numerals:

[0025] 1. Conveying pipeline; 101. Straight pipe section; 102. Bend pipe section; 2. Bracket; 3. Rotating shaft; 301. Water outlet hole; 302. First through hole; 303. Second through hole; 4. Spiral blade; 401. Spiral groove; 5. End cover; 501. Circular groove; 6. Water retaining sleeve; 7. Bushing; 8. Bump; 9. Telescopic spring; 10. Mounting seat; 11. Motor; 12. Driving gear; 13. Driven gear; 14. Water pipe; 15. Water retaining ring; 16. Rigid shaft; 17. Water retaining block; 18. Agitator arm. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] like Figure 1 and Figure 2 As shown, the present embodiment provides an automatic feeding device for processing core materials of thermal insulation boards, which is used for conveying a mixed powder of broken glass and a foaming agent, and specifically comprises a conveying pipeline 1, wherein the conveying pipeline 1 comprises a straight pipe section 101 and a curved pipe section 102, wherein the top end of the straight pipe section 101 is fixedly connected to the bottom end of the curved pipe section 102; a rotating shaft 3 coaxial with the straight pipe section 101 is movably mounted inside the conveying pipeline 1 through a bracket 2, wherein one end of the rotating shaft 3 passes through the curved pipe section 102 and extends to the outside of the rotating shaft 3, and a spiral blade 4 located inside the straight pipe section 101 is mounted on the rotating shaft 3; an end cover 5 is detachably mounted on the bottom end of the straight pipe section 101, and a circular groove 501 coaxial with the rotating shaft 3 is formed on the end cover 5; the rotating shaft 3 is a hollow shaft, and a plurality of water outlet holes 301 are formed on the rotating shaft 3 at a position extending to the outside of the end cover 5, and the water outlet holes 301 are evenly arranged around the rotating shaft 3 and are all connected to the inside of the rotating shaft 3.

[0028] like Figure 3 and Figure 5As shown, the top end of the conveying pipeline 1 is fixedly connected to the mounting seat 10, and a motor 11 is fixedly installed below the mounting seat 10 through a mounting frame. A driving gear 12 is fixedly installed on the output section of the motor 11, and a driven gear 13 meshing with the driving gear 12 is fixedly sleeved on the rotating shaft 3; a water pipe 14 is fixedly installed on the mounting frame, and the top end of the rotating shaft 3 extends into the water pipe 14 and movably cooperates with the water pipe 14, and one end of the water pipe 14 is connected to an external water pump through a hose. When the external water pump is turned on, water flows into the water pipe 14 through the hose, then into the inside of the rotating shaft 3, and finally sprays out through the water outlet 301; during specific operation, the powder enters the straight pipe section 101 through the curved pipe section 102, and when the motor 11 is started, it drives the driving gear 12 to rotate, and the driving gear 12 drives the driven gear 13 meshing with it to rotate, and the driven gear 13 drives the rotating shaft 3 and the spiral blade 4 to rotate; the spiral blade 4 plays a role in conveying the powder in the straight pipe section 101, and the conveying direction is along the axial direction of the straight pipe section 101 toward the end cover 5, and at the same time, the spiral blade 4 as a whole is subjected to a reaction force along the straight pipe section 101 away from the end cover 5. After being conveyed to the end cover 5, the powder leaves the feeding device from the circular groove 501, and the water sprayed from the water outlet 301 contacts the powder at the circular groove 501, which plays a role in wetting the powder. In this way, the phenomenon of powder flying away from the feeding device is greatly reduced, and as long as the rotation speed of the driving gear 12 remains unchanged, the powder flow rate at the circular groove 501 remains relatively constant, and the powder can be evenly mixed with water.

[0029] It should be noted that friction will be generated between the powder and the rotating shaft 3 during the powder conveying process, causing the temperature of the rotating shaft 3 to rise, affecting the service life of the rotating shaft 3. In this embodiment, water is passed through the rotating shaft 3 to cool the rotating shaft 3 by the water flow, thereby increasing the service life of the rotating shaft 3.

[0030] like Figure 1 As shown, a plurality of stirring arms 18 are installed on the rotating shaft 3 between the spiral blade 4 and the circular groove 501, and the stirring arms 18 are evenly arranged along the circumference of the rotating shaft 3; when the rotating shaft 3 rotates, the stirring arms 18 will be driven to rotate synchronously, and the stirring arms 18 will stir and disperse the powder in the end cover 5 to prevent the powder from being blocked in the end cover 5 due to extrusion and unable to be removed.

[0031] like Figure 4 and Figure 6As shown, a spiral groove 401 is provided inside the spiral blade 4, and a first through hole 302 connected to one end of the spiral groove 401 and a second through hole 303 connected to the other end of the spiral groove 401 are provided on the rotating shaft 3. In this way, water flows not only inside the rotating shaft 3, but also inside the spiral groove 401, so that the temperature of the spiral blade 4 increased due to friction with the material powder can be reduced by the water flow, thereby increasing the service life of the spiral blade 4. However, in actual use, due to the complex structure of the spiral groove 401, the water flow inside it is not obvious, and the cooling effect on the spiral blade 4 is not obvious; based on this, the following design is also made in this embodiment.

[0032] like Figure 2 and Figure 3 As shown, the water outlet hole 301 is strip-shaped and parallel to the axis of the rotating shaft 3. A water retaining sleeve 6 coaxial with the rotating shaft 3 is fixedly installed on the groove wall of the circular groove 501 through a support arm. The width of the water retaining sleeve 6 is smaller than the length of the water outlet hole 301. The water retaining sleeve 6 fits the rotating shaft 3 and corresponds to the position of the water outlet hole 301. A shaft sleeve 7 that movably cooperates with the rotating shaft 3 is fixedly installed on the conveying pipeline 1. A protrusion 8 is fixedly sleeved outside the rotating shaft 3. A telescopic spring 9 sleeved on the rotating shaft 3 is fixedly installed on one end of the protrusion 8. A mounting ring is rotatably installed on one end of the shaft sleeve 7. One end of the telescopic spring 9 is fixedly connected to the mounting ring. When the rotating shaft 3 rotates, the protrusion 8, the telescopic spring 9 and the mounting ring on the shaft sleeve 7 are driven to rotate synchronously.

[0033] Specifically, in the initial state, the edge of the water retaining sleeve 6 close to the circular groove 501 is flush with the edge of the water outlet 301 close to the circular groove 501; at this time, the actual water flow area of ​​the water outlet 301 is the smallest; when the rotating shaft 3 and the spiral blade 4 reach a predetermined speed under the drive of an external force, since the spiral blade 4 is subjected to a reaction force from the powder while conveying the powder, the spiral blade 4 will exert a force on the rotating shaft 3 along the axial direction of the rotating shaft 3 away from the circular groove 501, and the rotating shaft 3 will drive the protrusion 8 to overcome the telescopic spring 9 The pulling force causes a slight displacement relative to the conveying pipe 1, and the actual water flow area of ​​the water outlet 301 increases. When the rotation speed of the rotating shaft 3 and the spiral blade 4 increases under the drive of the external force, the reaction force of the spiral blade 4 from the material powder will also increase, and the displacement of the rotating shaft 3 and the protrusion 8 relative to the conveying pipe 1 will continue to increase, and the actual water flow area of ​​the water outlet 301 will further increase. In this way, when the flow rate of the conveying material powder increases, the water output of the water outlet 301 will also increase synchronously, thereby ensuring the uniformity of the mixing of the material powder and water.

[0034] like Figure 2 and Figure 4As shown, a water retaining ring 15 is fixedly installed at a position between the first through hole 302 and the second through hole 303 inside the rotating shaft 3, a rigid shaft 16 coaxial with the rotating shaft 3 is fixedly installed on the groove wall of the circular groove 501 through a support arm, the rigid shaft 16 extends into the interior of the rotating shaft 3 and movably cooperates with the rotating shaft 3, and a water retaining block 17 cooperating with the water retaining ring 15 is installed at one end of the rigid shaft 16; when the water retaining ring 15 and the water retaining block 17 are in a state of being fitted, the interior of the rotating shaft 3 is blocked. The water retaining ring 15 is made of magnetic material, the water retaining block 17 is made of iron, and the surfaces of the water retaining ring 15 and the water retaining block 17 are coated with a waterproof layer.

[0035] In the initial state, the water retaining ring 15 and the water retaining block 17 are in a separated state, and most of the water will flow through the gap between the water retaining ring 15 and the water retaining block 17, that is, the water flow in the rotating shaft 3 is large, while the water flow in the spiral groove 401 is not obvious. In this state, the water flow has a more obvious cooling effect on the rotating shaft 3, and has an obvious cooling effect on the spiral blade 4; when the rotating shaft 3 reaches a certain rotation speed, its displacement relative to the conveying pipeline 1 will reach a certain value, and the rotating shaft 3 will drive the water retaining ring 15 inside it to fit with the water retaining block 17, thereby sealing the inside of the rotating shaft 3, and the water flow has to enter the spiral groove 401 from the first through hole 302 and flow out from the second through hole 303; in this state, the water flow in the spiral groove 401 has an obvious effect, and the water flow has an obvious cooling effect on the spiral blade 4. To summarize, in this embodiment, the displacement of the rotating shaft 3 relative to the conveying pipe 1 can be controlled only by controlling the rotation speed of the rotating shaft 3 and the spiral blades 4 through the motor 11, thereby controlling the direction of the water flow, ensuring that the water flow can cool down both the rotating shaft 3 and the spiral blades 4.

[0036] In addition, during the later maintenance process, the operator removes the end cover 5 and translates along the axial direction of the straight pipe section 101, and the water retaining sleeve 6 and the rigid shaft 16 can be removed as a whole. During the translation of the rigid shaft 16, the water retaining block 17 is translated. As the water retaining block 17 fits with the water retaining ring 15, the two are attracted, and the water retaining block 17 is separated from the rigid shaft 16. When installing again, the rigid shaft 16 will be inserted into the water retaining block 17.

[0037] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An automatic feeding device for processing core materials of thermal insulation boards, comprising a conveying pipeline (1), characterized in that: The delivery pipeline (1) comprises a straight pipe section (101) and a curved pipe section (102); a rotating shaft (3) coaxial with the straight pipe section (101) is movably mounted on the delivery pipeline (1) via a bracket (2), and a spiral blade (4) is mounted on the rotating shaft (3); an end cover (5) is mounted on one end of the straight pipe section (101), and a circular groove (501) coaxial with the rotating shaft (3) is formed on the end cover (5); The rotating shaft (3) is a hollow shaft. A plurality of water outlet holes (301) are provided on the rotating shaft (3) at positions extending to the outside of the end cover (5). The water outlet holes (301) are evenly arranged around the rotating shaft (3) and are all connected to the inside of the rotating shaft (3).

2. The automatic feeding device for processing core material of thermal insulation board according to claim 1, characterized in that: The water outlet hole (301) is strip-shaped and parallel to the axis of the rotating shaft (3); a water retaining sleeve (6) coaxial with the rotating shaft (3) is fixedly mounted on the groove wall of the circular groove (501) via a support arm; the water retaining sleeve (6) fits the rotating shaft (3) and corresponds to the position of the water outlet hole (301).

3. The automatic feeding device for processing core material of thermal insulation board according to claim 2, characterized in that: The conveying pipeline (1) is fixedly mounted with a shaft sleeve (7) that movably cooperates with the rotating shaft (3); a protrusion (8) is fixedly mounted outside the rotating shaft (3); a telescopic spring (9) sleeved on the rotating shaft (3) is fixedly mounted on one end of the protrusion (8); a mounting ring is rotatably mounted on one end of the shaft sleeve (7); and one end of the telescopic spring (9) is fixedly connected to the mounting ring.

4. The automatic feeding device for processing core material of thermal insulation board according to claim 3, characterized in that: The top end of the conveying pipeline (1) is fixedly connected to the mounting seat (10); a motor (11) is fixedly mounted below the mounting seat (10) via a mounting frame; a driving gear (12) is fixedly mounted on the output section of the motor (11); a driven gear (13) meshing with the driving gear (12) is fixedly sleeved on the rotating shaft (3); a water pipe (14) is fixedly mounted on the mounting frame; the top end of the rotating shaft (3) extends into the water pipe (14) and movably cooperates with the water pipe (14).

5. The automatic feeding device for processing core material of thermal insulation board according to claim 4, characterized in that: The spiral blade (4) is provided with a spiral groove (401) inside, and the rotating shaft (3) is provided with a first through hole (302) connected to one end of the spiral groove (401) and a second through hole (303) connected to the other end of the spiral groove (401).

6. The automatic feeding device for processing core material of thermal insulation board according to claim 5, characterized in that: A water retaining ring (15) is fixedly installed at a position between the first through hole (302) and the second through hole (303) inside the rotating shaft (3); a rigid shaft (16) coaxial with the rotating shaft (3) is fixedly installed on the groove wall of the circular groove (501) via a support arm; the rigid shaft (16) extends into the interior of the rotating shaft (3) and is movably matched with the rotating shaft (3); a water retaining block (17) matched with the water retaining ring (15) is installed at one end of the rigid shaft (16); when the water retaining ring (15) and the water retaining block (17) are in a state of being in contact with each other, the interior of the rotating shaft (3) is blocked.

7. The automatic feeding device for processing core material of thermal insulation board according to claim 6, characterized in that: The water retaining ring (15) is made of magnetic material, the water retaining block (17) is made of iron, and the surfaces of the water retaining ring (15) and the water retaining block (17) are both coated with a waterproof layer.

8. The automatic feeding device for processing core material of thermal insulation board according to claim 7, characterized in that: A plurality of stirring arms (18) are installed on the rotating shaft (3) at a position between the spiral blade (4) and the circular groove (501), and the stirring arms (18) are evenly arranged along the circumference of the rotating shaft (3).

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