Constant-temperature stirring chemical furnace for energy-saving building stone silicone weather-proof sealant

Abstract

The invention relates to the technical field of building stones, in particular to an energy-saving building stone silicone weather-proof sealant constant-temperature stirring chemical furnace which comprises a reaction furnace and a stirring device arranged in the reaction furnace, and a wall scraping device and a plurality of coating adding devices regularly arranged at the top end of the reaction furnace are further arranged on the outer side of the stirring device. According to the energy-saving constant-temperature stirring chemical furnace for the building stone silicone weather-proof sealant, in the process that a motor is started to drive stirring blades to stir the silicone weather-proof sealant, an annular scraping plate covering the full height of the tank body is driven to reciprocate up and down on the inner wall of the furnace body at the same time, and the silicone weather-proof sealant is uniformly stirred by uniformly distributing shearing force on the silicone weather-proof sealant; annular dead angles of a traditional rotary scraper blade are thoroughly eliminated, and the situation that glue is locally overheated and solidified unevenly is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of building stones, and more specifically, to a constant-temperature stirring chemical furnace for energy-saving building stone silicone weatherproof glue. Background Art

[0002] During the preparation of energy-saving building stone silicone weatherproof glue, constant-temperature stirring is a key link. By precisely controlling the stirring temperature, it can ensure the uniform mixing of each component of the glue, improve the performance stability and weather resistance of the product. Constant-temperature stirring helps to optimize the curing effect of the glue, making it more suitable for building sealing scenarios such as stone curtain walls, and providing a reliable sealing solution for buildings.

[0003] The patent with the application number CN202322784433.8 discloses a constant-temperature stirring reactor, including a cylinder body: a first heat exchange tube is vertically arranged in the middle of the inner part of the cylinder body, a rotating joint is fixedly installed in the middle of the inner walls at the top and bottom of the cylinder body, a hot oil pipe penetrates and is fixedly installed in the middle of the upper surface of the cylinder body, and an oil outlet pipe penetrates and is fixedly installed in the middle of the lower surface of the cylinder body. By controlling the operation of the motor, through the combination of the fixed rod, the first gear and the second gear, the first heat exchange tube and the second heat exchange tube can be driven to rotate, effectively stirring the materials in the cylinder body evenly. At the same time, the second heat exchange tube can drive the scraper to rotate, thereby effectively cleaning the materials adhered to the inner wall of the cylinder body, and the use effect is good.

[0004] Traditional stirring equipment mostly adopts a rotary scraper structure. Its fixed rotation radius results in a circular dead angle on the inner wall of the tank, making it easy for high-viscosity silicone glue to accumulate in the dead angle area, causing local overheating or uneven curing, seriously affecting the product quality. In addition, due to the high viscosity and thixotropy of silicone glue, it is easy to adhere to the tank wall, forming a thermal resistance layer, reducing the heat transfer efficiency, and requiring frequent shutdowns for cleaning, resulting in increased energy consumption and low production efficiency. In addition, in the prior art, the addition of anti-adhesion coatings mostly relies on manual or independent driving devices, with problems such as uneven spraying and out-of-sync with the stirring action, further exacerbating temperature fluctuations and raw material waste.

[0005] In view of this, we propose a constant-temperature stirring chemical furnace for energy-saving building stone silicone weatherproof glue. Summary of the Invention

[0006] The purpose of the present invention is to provide a constant-temperature stirring chemical furnace for energy-saving building stone silicone weatherproof glue to solve the problems raised in the above background art.

[0007] To achieve the above purpose, the present invention provides the following technical solutions:

[0008] A constant-temperature stirring chemical furnace for an energy-saving building stone silicone weatherproof sealant, comprising a reaction furnace and a stirring device arranged inside the reaction furnace. A scraping device and several coating adding devices regularly arranged at the top of the reaction furnace are further arranged outside the stirring device;

[0009] The reaction furnace includes a furnace body, a top plate arranged above the furnace body, and a top cover clamped on the top surface of the top plate;

[0010] The scraping device includes a pair of reciprocating lead screws, a cross plate sleeved outside the reciprocating lead screws, and an annular scraping plate moving together with the two cross plates. A communicating ring groove for storing anti-sticking coating is opened inside the annular scraping plate. When the reciprocating lead screws rotate, they will drive the cross plate to reciprocate up and down, and drive the annular scraping plate to reciprocate up and down inside the furnace body, avoiding the situation that the silicone weatherproof sealant forms an annular dead angle during stirring, resulting in local overheating and uneven curing;

[0011] The coating adding device includes a fixing block, a material blocking plate arranged inside the fixing block, and a spring arranged above the material blocking plate. A material passing channel is opened inside the fixing block;

[0012] When the annular scraping plate moves to the topmost position, it will drive the material blocking plate to move upward inside the fixing block, so that the anti-sticking coating can enter the inside of the communicating ring groove through the material passing channel, and then through the downward moving annular scraping plate, intermittently add the anti-sticking coating to the inner wall of the furnace body, so that the coating addition and the stirring action can be synchronized.

[0013] In the technical solution of the present invention, a liquid passing groove for storing heat-conducting liquid is opened inside the furnace body, several regularly distributed notches are opened at the top of the furnace body, and a through groove and a square groove communicating with the furnace body are opened inside the furnace body at the notches.

[0014] In the technical solution of the present invention, a lifting rod welded and fixed to the bottom surface of the top plate and fixedly connected to the furnace body by screws is provided. A bracket is fixedly connected to the outer bottom wall of the furnace body by bolts. A spherical valve is flange-connected to the bottom surface of the furnace body. A pair of liquid passing pipes communicating with the liquid passing groove are integrally formed on the outer side wall of the furnace body.

[0015] In the technical solution of the present invention, the stirring device includes a motor, a transmission shaft arranged on the output shaft of the motor, stirring blades rotating together with the transmission shaft, several scraping blades arranged at the bottom end of the central axis of the stirring blades, and a shaft end gear fixedly connected to the top end of the transmission shaft by a snap pin.

[0016] In the technical solution of the present invention, the motor is fixedly connected to the top surface of the top cover by bolts. The upper and lower ends of the transmission shaft are respectively rotatably connected to the top surface of the top plate and the top surface of the furnace body. The top end of the central shaft of the stirring blade is fixedly connected to the bottom end of the transmission shaft by clamping. The scraping blade is fixedly connected to the bottom end of the central shaft of the stirring blade by bolts, and the bottom surface of the scraping blade abuts against the inner bottom surface of the furnace body.

[0017] In the technical solution of the present invention, the upper and lower ends of the reciprocating lead screw are respectively rotatably connected to the top surface of the top plate and the top surface of the furnace body. The cross plate is sleeved outside the reciprocating lead screw, and a number of regularly distributed connecting rods are clamped on the bottom surface. The bottom end of the connecting rod is fixedly connected to the annular scraping plate by clamping.

[0018] In the technical solution of the present invention, the longitudinal section of the annular scraping plate is in the shape of an umbrella. A number of feeding grooves are formed on the outer circumferential wall of the annular scraping plate and are communicated with the communicating ring groove. An outlet ring groove communicated with the communicating ring groove is formed on the outer circumferential wall of the annular scraping plate below the feeding groove.

[0019] In the technical solution of the present invention, the top end of the reciprocating lead screw is fixedly connected with a rod end gear through a snap pin. A transmission gear is engaged with one side of the rod end gear. The transmission gear is rotatably connected to the top surface of the top plate and is engaged with the shaft end gear.

[0020] In the technical solution of the present invention, the fixing block is clamped in the notch at the top end of the furnace body. A limiting sliding groove communicated with the material passing channel is formed inside the fixing block. A placing hole for placing a spring is formed at the top end of the groove wall of the limiting sliding groove.

[0021] In the technical solution of the present invention, the longitudinal section of the material blocking plate is in the shape of an L. The material blocking plate is slidably connected to the inside of the limiting sliding groove. The end of the cross bar of the material blocking plate extends from the square groove to the inside of the furnace body. The upper and lower ends of the spring are respectively adhesively fixed to the top end of the hole wall of the placing hole and the top surface of the material blocking plate. The elastic force of the spring pushes the material blocking plate to move downward.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] 1. In the constant temperature stirring chemical furnace for the energy-saving building stone silicone weatherproof glue, when the motor starts and drives the stirring blade to stir the silicone weatherproof glue, it will simultaneously drive the annular scraping plate covering the full height of the tank body to reciprocate up and down on the inner wall of the furnace body. By evenly distributing the shearing force on the silicone weatherproof glue, the annular dead angle of the traditional rotary scraping plate is completely eliminated, and the situation of local overheating and uneven curing of the colloid is avoided.

[0024] 2. When the annular scraper moves to the top of the constant-temperature stirring chemical furnace for the energy-saving building stone silicone weatherproof sealant, it will drive the position of the material-blocking plate to change, allowing the anti-sticking coating to be automatically sprayed onto the tank wall through the connecting annular groove, and evenly scraped by the downward movement of the annular scraper, enabling the coating addition to be synchronized with the stirring action, thereby reducing manual intervention and the investment in additional driving equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 is a schematic sectional view of the overall structure of the present invention;

[0027] Figure 3 is a schematic sectional view of the structure of the reaction furnace in the present invention;

[0028] Figure 4 For the present invention Figure 3 is an enlarged schematic view of part A;

[0029] Figure 5 is a schematic diagram of the structure of the stirring device in the present invention;

[0030] Figure 6 is a schematic diagram of the structure of the wall scraping device in the present invention;

[0031] Figure 7 is a schematic sectional view of the structure of the annular scraper in the present invention;

[0032] Figure 8 is a schematic diagram of the structure of the coating adding device in the present invention;

[0033] Figure 9 is a schematic sectional view of the structure of the fixing block in the present invention;

[0034] Description of the reference numerals:

[0035] 100, reaction furnace; 110, furnace body; 111, liquid passage groove; 112, through groove; 113, square groove; 120, lifting rod; 130, top plate; 140, top cover; 150, bracket; 160, ball valve; 170, liquid passage pipe;

[0036] 200, stirring device; 210, motor; 220, transmission shaft; 230, stirring blade; 240, scraping blade; 250, shaft end gear;

[0037] 300, wall scraping device; 310, reciprocating lead screw; 320, cross plate; 330, annular scraper; 331, feed slot; 332, discharge annular groove; 333, connecting annular groove; 340, connecting rod; 350, rod end gear; 360, transmission gear;

[0038] 400. Coating adding device; 410. Fixed block; 411. Material passing channel; 412. Limit sliding groove; 413. Placing hole; 420. Material blocking plate; 430. Spring. Specific embodiments

[0039] Next, the technical solutions in the present invention will be clearly and completely described in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present invention.

[0040] Please refer to Figures 1-9 As shown, this embodiment provides a technical solution:

[0041] An energy-saving constant-temperature stirring chemical furnace for building stone silicone weatherproof glue includes a reaction furnace 100 and a stirring device 200 arranged inside the reaction furnace 100. A scraping wall device 300 and several coating adding devices 400 regularly arranged at the top of the reaction furnace 100 are also arranged outside the stirring device 200;

[0042] In this embodiment, as Figures 2-4 shown, the reaction furnace 100 includes a furnace body 110, a top plate 130 arranged above the furnace body 110, and a top cover 140 clamped on the top surface of the top plate 130.

[0043] Specifically, a liquid passing groove 111 for storing heat-conducting liquid is opened inside the furnace body 110. A number of regularly distributed notches are opened at the top of the furnace body 110. A through groove 112 and a square groove 113 communicating with the furnace body 110 are opened inside the furnace body 110 at the notches.

[0044] Furthermore, a lifting rod 120 fixedly welded to the bottom surface of the top plate 130 and fixedly connected to the furnace body 110 by screws is provided. A support 150 is fixedly connected to the outer bottom wall of the furnace body 110 by bolts. A spherical valve 160 is flange-connected to the bottom surface of the furnace body 110. A pair of liquid passing pipes 170 communicating with the liquid passing groove 111 are integrally formed on the outer side wall of the furnace body 110.

[0045] Furthermore, before stirring starts, the heat-conducting liquid can be sent into the liquid passing groove 111 through the liquid passing pipe 170 below the furnace body 110, and the heat-conducting liquid can be led out through the liquid passing pipe 170 located above. The through groove 112 is used to provide a passing space for the anti-sticking coating, and the square groove 113 is used to provide a moving interval for the structures in the coating adding device 400. The lifting rod 120 is used to ensure the stability of the top plate 130, and the top cover 140 is used to provide a fixed platform for the structures in the stirring device 200. After the spherical valve 160 is opened, the silicone weatherproof glue can be discharged into the furnace body 110.

[0046] In this embodiment, as Figure 5 shown, the stirring device 200 includes a motor 210, a transmission shaft 220 disposed on the output shaft of the motor 210, a stirring blade 230 that rotates together with the transmission shaft 220, a plurality of scraping blades 240 disposed at the bottom end of the central axis of the stirring blade 230, and a shaft-end gear 250 fixedly connected to the top end of the transmission shaft 220 by a snap pin.

[0047] Specifically, the motor 210 is fixedly connected to the top surface of the top cover 140 by bolts. The upper and lower ends of the transmission shaft 220 are respectively rotatably connected to the top surface of the top plate 130 and the top surface of the furnace body 110. The top end of the central axis of the stirring blade 230 is fixedly connected to the bottom end of the transmission shaft 220. The scraping blade 240 is fixedly connected to the bottom end of the central axis of the stirring blade 230 by bolts, and the bottom surface of the scraping blade 240 abuts against the inner bottom surface of the furnace body 110.

[0048] Further, after the motor 210 is started, the motor 210 drives the transmission shaft 220 to rotate, thereby driving the stirring blade 230 and a plurality of scraping blades 240 below it to rotate, so as to stir and mix the materials added into the furnace body 110.

[0049] In this embodiment, as Figures 6-7 shown, the scraping device 300 includes a pair of reciprocating lead screws 310, a cross plate 320 sleeved on the outside of the reciprocating lead screws 310, and an annular scraping plate 330 that moves together with the two cross plates 320. A communicating ring groove 333 for storing anti-sticking coating is formed inside the annular scraping plate 330. When the reciprocating lead screws 310 rotate, they will drive the cross plate 320 to move up and down reciprocally, and drive the annular scraping plate 330 to move up and down reciprocally inside the furnace body 110, so as to avoid the situation of local overheating and uneven curing caused by annular dead angles during the stirring of silicone weatherproof glue.

[0050] Specifically, the upper and lower ends of the reciprocating lead screws 310 are respectively rotatably connected to the top surface of the top plate 130 and the top surface of the furnace body 110. The cross plate 320 is sleeved on the outside of the reciprocating lead screws 310, and a plurality of regularly distributed connecting rods 340 are clamped to the bottom surface. The bottom ends of the connecting rods 340 are fixedly connected to the annular scraping plate 330.

[0051] Further, the longitudinal section of the annular scraping plate 330 is in an umbrella shape. A plurality of feed grooves 331 are formed on the outer circumferential wall of the annular scraping plate 330 and are communicated with the communicating ring groove 333. An outlet ring groove 332 communicated with the communicating ring groove 333 is formed on the outer circumferential wall of the annular scraping plate 330 below the feed groove 331.

[0052] Further, the top end of the reciprocating lead screw 310 is fixedly connected with a rod end gear 350 through a snap pin. One side of the rod end gear 350 meshes with a transmission gear 360. The transmission gear 360 is rotatably connected to the top surface of the top plate 130 and meshes with the shaft end gear 250.

[0053] Further, during the rotation of the transmission shaft 220, the shaft end gear 250 rotates accordingly. After contacting the transmission gear 360 in the scraping device 300, it drives the transmission gear 360 to rotate, and then drives the rod end gear 350 to rotate, so that the reciprocating lead screw 310 rotates accordingly. After the two reciprocating lead screws 310 rotate, they drive the two cross plates 320 to reciprocate up and down on the outside thereof. Through a plurality of connecting rods 340, the inside of the annular scraping plate 330 is driven to move up and down on the inner side wall of the furnace body 110, and a shearing force is applied to each component of the silicone weatherproof sealant to avoid local overheating and uneven curing of the colloid.

[0054] In this embodiment, as Figures 8-9 shown, the coating adding device 400 includes a fixing block 410, a material blocking plate 420 arranged inside the fixing block 410, and a spring 430 arranged above the material blocking plate 420. A material passing channel 411 is opened inside the fixing block 410.

[0055] Specifically, the fixing block 410 is clamped and fixed in the notch at the top end of the furnace body 110. A limiting sliding groove 412 communicating with the material passing channel 411 is opened inside the fixing block 410. A placing hole 413 for placing the spring 430 is opened at the top end of the groove wall of the limiting sliding groove 412.

[0056] Further, the longitudinal section of the material blocking plate 420 is L-shaped. The material blocking plate 420 is slidably connected inside the limiting sliding groove 412. The end of the cross bar of the material blocking plate 420 extends from the square groove 113 to the inside of the furnace body 110. The upper and lower ends of the spring 430 are respectively adhesively fixed to the top end of the hole wall of the placing hole 413 and the top surface of the material blocking plate 420. The elastic force of the spring 430 pushes the material blocking plate 420 to move downward.

[0057] Further, when the annular scraping plate 330 moves to the topmost position, it will drive the material blocking plate 420 to move upward inside the fixing block 410, so that the anti-sticking coating can enter the inside of the communicating annular groove 333 from the material passing channel 411. Then, through the downward-moving annular scraping plate 330, the anti-sticking coating is intermittently added to the inner wall of the furnace body 110, so that the coating addition and the stirring action can be synchronized. After the annular scraping plate 330 moves downward, the spring 430, through its own elastic force, pushes the material blocking plate 420 to move downward, so that the bottom of the material blocking plate 420 abuts against the inner bottom surface of the material passing channel 411.

[0058] Finally, it should be noted that the motor 210 involved in the present invention is a general standard part or a component known to those skilled in the art. Its structure and principle can be known by those skilled in the art through technical manuals or obtained through conventional experimental methods. In the idle space of the present device, the motor 210 is connected to an external power source through a wire. The specific connection means should refer to the working principle of the present invention, and the electrical connection between each electrical component is completed according to the sequence of work. The detailed connection means are all well-known technologies in the art.

[0059] When the energy-saving building stone silicone weatherproof glue constant-temperature stirring chemical furnace of the present invention is in use, first, the heat-conducting liquid is sent into the inside of the liquid passing groove 111 through the liquid passing pipe 170 located below the outer side wall of the furnace body 110, and the heat-conducting liquid is led out from the liquid passing pipe 170 above it.

[0060] After the temperature inside the furnace body 110 rises, each component of the silicone weatherproof glue is added into the furnace body 110, and then the motor 210 is started to drive the transmission shaft 220 to rotate, and then drive the stirring blades 230 and several scraping blades 240 below it to rotate, so as to stir and mix the materials added into the furnace body 110.

[0061] During the rotation of the transmission shaft 220, the shaft end gear 250 rotates accordingly. After contacting the transmission gear 360 in the scraping wall device 300, it drives the transmission gear 360 to rotate, and then drives the rod end gear 350 to rotate, so that the reciprocating lead screw 310 rotates together.

[0062] After the two reciprocating lead screws 310 rotate, they drive the two cross plates 320 to reciprocate up and down on the outside of them. Through several connecting rods 340, it drives the inside of the annular scraping plate 330 to move up and down on the inner side wall of the furnace body 110, and applies a shearing force to each component of the silicone weatherproof glue to prevent local overheating and uneven curing of the colloid.

[0063] When the annular scraping plate 330 moves to the topmost position, the annular scraping plate 330 contacts the cross plate of the material blocking plate 420, and drives the material blocking plate 420 to move upward inside the limit sliding groove 412, so that the bottom of the material blocking plate 420 leaves the inside of the material passing channel 411.

[0064] At this time, the external feeding device is started, and the anti-sticking coating is fed into the inside of the connecting ring groove 333 of the annular scraping plate 330 from the feeding groove 331. During the subsequent movement of the annular scraping plate 330, the anti-sticking coating is discharged from the discharging ring groove 332 and applied to the inner side wall of the furnace body 110.

[0065] Subsequently, after the silicone weatherproof glue is stirred and formed, the spherical valve 160 below the furnace body 110 is opened, and the silicone weatherproof glue is discharged from the inside of the furnace body 110.

[0066] The foregoing description of specific exemplary embodiments of the invention has been presented for purposes of illustration and example. These descriptions are not intended to limit the invention to the precise forms disclosed, and it is apparent that, according to the above teaching, many modifications and variations are possible. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the invention and its practical application, so that those skilled in the art can implement and utilize the various different exemplary embodiments of the invention, as well as various different selections and modifications. The scope of the invention is intended to be defined by the specification and its equivalents.

Claims

1. A constant-temperature stirring chemical furnace for an energy-saving building stone silicone weatherproof sealant, comprising a reaction furnace (100) and a stirring device (200) arranged inside the reaction furnace (100), characterized in that: On the outside of the stirring device (200), there is also a wall scraping device (300) and several coating adding devices (400) regularly arranged at the top of the reaction furnace (100); The reaction furnace (100) includes a furnace body (110), a top plate (130) arranged above the furnace body (110), and a top cover (140) clamped on the top surface of the top plate (130); The wall scraping device (300) includes a pair of reciprocating lead screws (310), a cross plate (320) sleeved on the outside of the reciprocating lead screws (310), and an annular scraping plate (330) moving together with the two cross plates (320). A communicating annular groove (333) for storing anti-sticking coating is opened inside the annular scraping plate (330). When the reciprocating lead screws (310) rotate, they will drive the cross plate (320) to move up and down reciprocally, and drive the annular scraping plate (330) to move up and down reciprocally inside the furnace body (110), avoiding the situation of local overheating and uneven curing caused by annular dead corners during the stirring of silicone weatherproof glue; The coating adding device (400) includes a fixing block (410), a material blocking plate (420) arranged inside the fixing block (410), and a spring (430) arranged above the material blocking plate (420). A material passing channel (411) is opened inside the fixing block (410); When the annular scraping plate (330) moves to the topmost position, it will drive the material blocking plate (420) to move upward inside the fixing block (410), so that the anti-sticking coating can enter the inside of the communicating annular groove (333) through the material passing channel (411), and then through the downward moving annular scraping plate (330), intermittently add the anti-sticking coating to the inner wall of the furnace body (110), so that the coating addition and the stirring action can be synchronized.

2. The constant temperature stirring chemical furnace for the energy-saving building stone silicone weatherproof sealant according to claim 1, characterized in that: A liquid passing groove (111) for storing heat-conducting liquid is opened inside the furnace body (110). Several regularly distributed notches are opened at the top of the furnace body (110). A through groove (112) and a square groove (113) communicating with the furnace body (110) are opened inside the furnace body (110) at the notches; 3. The constant-temperature stirring chemical furnace for the energy-saving building stone silicone weatherproof sealant according to claim 1, characterized in that: A lifting rod (120) welded and fixed to the bottom surface of the top plate (130) and fixedly connected to the furnace body (110) by screws is provided. A bracket (150) is fixedly connected to the outer bottom wall of the furnace body (110) by bolts. A spherical valve (160) is flange-connected to the bottom surface of the furnace body (110). A pair of liquid passing pipes (170) communicating with the liquid passing groove (111) are integrally formed on the outer wall of the furnace body (110); 4. The constant-temperature stirring chemical furnace for the energy-saving building stone silicone weatherproof sealant according to claim 1, characterized in that: The stirring device (200) includes a motor (210), a transmission shaft (220) arranged on the output shaft of the motor (210), stirring blades (230) rotating together with the transmission shaft (220), several scraping blades (240) arranged at the bottom end of the central axis of the stirring blades (230), and a shaft end gear (250) fixedly connected to the top end of the transmission shaft (220) by a snap pin.

5. The constant-temperature stirring chemical furnace for the energy-saving building stone silicone weatherproof sealant according to claim 4, characterized in that: The motor (210) is fixedly connected to the top surface of the top cover (140) by bolts. The upper and lower ends of the transmission shaft (220) are respectively rotatably connected to the top surface of the top plate (130) and the top surface of the furnace body (110). The top end of the central axis of the stirring blade (230) is fixedly clamped with the bottom end of the transmission shaft (220). The scraping blade (240) is fixedly connected to the bottom end of the central axis of the stirring blade (230) by bolts, and the bottom surface of the scraping blade (240) abuts against the inner bottom surface of the furnace body (110).

6. The constant-temperature stirring chemical furnace for the energy-saving building stone silicone weatherproof sealant according to claim 1, characterized in that: The upper and lower ends of the reciprocating lead screw (310) are respectively rotatably connected to the top surface of the top plate (130) and the top surface of the furnace body (110). The cross plate (320) is sleeved on the outer side of the reciprocating lead screw (310), and a number of regularly distributed connecting rods (340) are clamped on the bottom surface. The bottom ends of the connecting rods (340) are fixedly clamped with the annular scraping plate (330).

7. The constant-temperature stirring chemical furnace for the energy-saving building stone silicone weatherproof sealant according to claim 1, characterized in that: The longitudinal section of the annular scraping plate (330) is in an umbrella shape. A number of feeding grooves (331) are arranged and communicated with the communicating ring groove (333) on the outer circumferential wall of the annular scraping plate (330). An outlet ring groove (332) communicated with the communicating ring groove (333) is arranged on the outer circumferential wall of the annular scraping plate (330) below the feeding groove (331).

8. The constant-temperature stirring chemical furnace for the energy-saving building stone silicone weatherproof sealant according to claim 4, characterized in that: The top end of the reciprocating lead screw (310) is fixedly connected with an end gear (350) by a snap pin. A transmission gear (360) is engaged with one side of the end gear (350). The transmission gear (360) is rotatably connected to the top surface of the top plate (130) and meshes with the shaft end gear (250).

9. The constant-temperature stirring chemical furnace for the energy-saving building stone silicone weatherproof sealant according to claim 1, characterized in that: The fixing block (410) is fixedly clamped in the notch at the top end of the furnace body (110). A limiting sliding groove (412) communicated with the feeding channel (411) is arranged inside the fixing block (410). A placing hole (413) for placing the spring (430) is arranged at the top end of the groove wall of the limiting sliding groove (412).

10. The constant-temperature stirring chemical furnace for the energy-saving building stone silicone weatherproof sealant according to claim 9, characterized in that: The longitudinal section of the material blocking plate (420) is in an L shape. The material blocking plate (420) is slidably connected to the inside of the limiting sliding groove (412). The end of the cross bar of the material blocking plate (420) extends from the square groove (113) to the inside of the furnace body (110). The upper and lower ends of the spring (430) are respectively adhesively fixed to the top end of the hole wall of the placing hole (413) and the top surface of the material blocking plate (420). The elastic force of the spring (430) pushes the material blocking plate (420) to move downward.

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