Process for the production of aerated concrete blocks

Abstract

This application relates to the field of concrete blocks, and in particular to a production process for expanded clay aerated concrete blocks, which includes the following steps: raw material preparation, where fly ash, slag, and coal ash are ground separately and then weighed according to the formula; mixing, where the weighed cement, fly ash, expanded clay, slag, coal ash, and water-reducing agent are added to a mixer for pre-mixing; foaming, where the weighed foaming agent, activator, setting and hardening accelerator, and water are added to the mixer for thorough mixing to form a viscous mixture; preparing block molds; pouring; hardening; demolding to obtain the green body; cutting; curing; and testing to check the product's quality. Adding expanded clay to the block material gives the blocks lightweight, heat-insulating, fire-resistant, sound-insulating, and environmentally friendly characteristics, improving the material properties of the wall. Pre-grinding the fly ash, slag, and coal ash increases the surface area of ​​the raw materials, making the mixture easier to mix evenly and improving the quality of the blocks.

Description

Technical Field

[0001] This application relates to the field of concrete blocks, and more particularly to a production process for expanded clay aerated concrete blocks. Background Technology

[0002] Autoclaved aerated concrete (AAC) is a lightweight porous silicate product made from siliceous materials (sand, fly ash, and silicon-containing tailings, etc.) and calcareous materials (lime, cement) as the main raw materials, with the addition of a foaming agent (aluminum powder), through processes such as batching, mixing, pouring, pre-curing, cutting, autoclaving, and curing.

[0003] Currently, there are many types and models of building wall blocks on the market, each with its own advantages and disadvantages. For example, fly ash aerated concrete blocks and quartz sand aerated concrete blocks, although their raw materials are readily available, their manufacturing process is simple, and their cost is low, have low compressive strength and disadvantages such as moisture absorption, susceptibility to dampness, easy peeling of the finish, and inability to be hung. Therefore, they can only be used as materials for interior walls, not exterior walls. Existing exterior wall materials mostly use clay bricks. Although they have high strength, their heat insulation, sound insulation, and moisture-proof properties do not meet the requirements of modern living environments. Moreover, they damage the ecology and waste land resources, and their use is being gradually prohibited by policy. Summary of the Invention

[0004] In order to improve the material properties of the wall, this application provides a production process for ceramsite aerated concrete blocks.

[0005] The production process of expanded clay aerated concrete blocks provided in this application adopts the following technical solution:

[0006] A production process for expanded clay aerated concrete blocks includes the following steps:

[0007] Raw material preparation: Grind fly ash, slag and coal ash separately, and then weigh the raw materials according to the formula;

[0008] Mixing: Add the weighed cement, fly ash, ceramsite, slag, coal ash and water-reducing agent into the mixer for pre-mixing;

[0009] For foaming, add the weighed foaming agent, activator, coagulation and hardening accelerator and water into a mixer and mix thoroughly to form a viscous mixture.

[0010] Prepare the block mold and apply oil to the inner wall of the block mold;

[0011] Pouring involves pouring the mixture into the block mold and then smoothing the surface.

[0012] Hardening involves placing the mixture in a mold to allow it to foam, initially set, and solidify.

[0013] Demolding: After the mixture is formed in the mold, it is demolded to obtain the blank.

[0014] Cutting: cutting the blank into blocks of a predetermined shape;

[0015] Curing involves placing the blocks into a steam curing autoclave for steam curing.

[0016] Testing, checking whether the product is qualified.

[0017] By adopting the above technical solution, adding ceramsite to the block material makes the block lightweight, heat-insulating, fireproof, sound-insulating, and environmentally friendly, thus improving the material performance of the wall. Pre-grinding fly ash, slag, and coal ash increases the surface area of ​​the raw materials, making the mixture easier to mix evenly and improving the quality of the blocks.

[0018] Preferably, the mixture inside the block mold is vibrated during pouring.

[0019] By adopting the above technical solution, the mixture in the block mold is mixed evenly, thereby improving the quality of the blocks.

[0020] Preferably, the block mold includes a mold box and a smoothing roller. The upper end of the mold box is provided with a receiving groove. The bottom of the receiving groove is provided with a forming groove and a collecting groove. The groove wall of the receiving groove is provided with a guide hole. The guide hole is located above the forming groove and the collecting groove. The end of the smoothing roller is coaxially fixedly connected to a guide post. The guide post is slidably connected to the inner wall of the guide hole. The sliding direction of the guide post is along the extension direction of the guide hole. The smoothing roller is used to smooth the upper surface of the mixture.

[0021] By adopting the above technical solution, the guide column slides to drive the smoothing roller to slide, and the smoothing roller smooths the upper surface of the mixture, making the upper surface of the mixture flat. If the upper surface of the mixture is not flat, the upper part of the blank needs to be cut, which can easily lead to material waste.

[0022] Preferably, it also includes a scraper ring, which is sleeved on the outer periphery of the smoothing roller, and the inner wall of the scraper ring is slidably connected to the outer wall of the smoothing roller. The scraper ring is used to scrape off waste material on the smoothing roller.

[0023] By adopting the above technical solution, the scraper ring slides to clean the concrete adhering to the outer wall of the smoothing roller, making it easier for the smoothing roller to smooth the new mixture. If the smoothing roller is not cleaned, the concrete adhering to the outer wall of the smoothing roller will make the outer wall of the smoothing roller uneven, and it will be impossible to smooth the surface of the mixture when it is used again.

[0024] Preferably, it further includes an oiling ring, which is sleeved on the outer periphery of the smoothing roller, and the inner wall of the oiling ring is slidably connected to the outer wall of the smoothing roller. The oiling ring is used to apply oil to the outer wall of the smoothing roller.

[0025] By adopting the above technical solution, the oiling ring applies oil to the outer wall of the smoothing roller after scraping off the waste material, making it less likely for concrete to adhere to the outer wall of the smoothing roller during the process of smoothing concrete, and the adhered concrete is easy to fall off when scraped off, thereby improving the cleaning efficiency of the smoothing roller.

[0026] Preferably, the device further includes a guide rod and a fixing member. The guide rod is connected to the wall of the receiving groove, and the length direction of the guide rod is parallel to the axis of the smoothing roller. The guide rod is located above the collecting groove. The fixing member is slidably connected to the guide rod, and the sliding direction of the fixing member is parallel to the length direction of the guide rod. The scraper ring and the oiling ring are both connected to the fixing member. The oiling ring is made of sponge, and the oiling ring has a seam. The scraper ring has a notch, and both the seam and the notch are used to allow the guide column to pass through.

[0027] By adopting the above technical solution, both the seam and the notch are provided for the guide column to pass through, so that the scraper ring and the oiling ring are located on the outer periphery of the smoothing roller. The guide rod guides the sliding of the scraper ring and the oiling ring, so that the scraper ring can stably clean the waste material on the outer wall of the smoothing roller, and the oiling ring can stably apply oil to the outer wall of the smoothing roller, thereby improving the cleaning efficiency.

[0028] Preferably, it further includes a sliding block and a first spring. The inner wall of the notch is provided with a sliding groove. The sliding block is slidably embedded in the sliding groove. One end of the first spring is fixedly connected to the bottom of the sliding groove, and the other end of the first spring is fixedly connected to the sliding block. The end of the sliding block away from the scraper ring axis is provided with a guide surface. The guide surface is used for the guide column to abut. The end of the sliding block facing the scraper ring axis is used to abut against the outer wall of the smoothing roller.

[0029] By adopting the above technical solution, the guide post abuts against the guide surface, causing the first spring to contract. The sliding block slides to open the gap for the guide post to pass through. After the guide post passes through, the first spring returns to its original deformation, causing the sliding block to slide out. Both the sliding block and the scraper ring abut against the outer wall of the smoothing roller, thereby achieving all-round scraping of waste on the outer wall of the smoothing roller and improving the cleaning quality.

[0030] Preferably, the device further includes an oil pipe, the wall of the receiving groove is provided with a placement groove, the placement groove is located above the collecting groove, the placement groove is used for embedding the oiling ring and the scraping ring, the distance from the oiling ring to the bottom of the placement groove is less than the distance from the scraping ring to the bottom of the placement groove, the mold box is provided with an oil cavity, the oil cavity is located below the collecting groove, one end of the oil pipe is connected to the oil cavity, and the other end of the oil pipe is connected to the placement groove.

[0031] By adopting the above technical solution, both the oiling ring and the scraper ring are embedded in the placement groove. During the demolding process, the mold box needs to be flipped over. The oil in the oil cavity enters the placement groove through the oil pipe under the action of gravity, so as to apply oil to the oiling ring and facilitate the subsequent application of oil to the surface of the smoothing roller.

[0032] Preferably, it further includes a lead screw and a connector. The lead screw is rotatably connected to the wall of the receiving groove about its own axis. The rotation axis of the lead screw is parallel to the rotation axis of the guide rod. The connector is provided with a threaded opening. The lead screw is threaded to the inner wall of the threaded opening. The connector is connected to the scraper ring and the oiling ring.

[0033] By adopting the above technical solution, the rotation of the lead screw drives the scraper ring and the oiling ring to slide, which makes it easier to control the position of the scraper ring and the oiling ring.

[0034] Preferably, the scraper ring further includes a pin and a second spring. The scraper ring includes a first half-ring and a second half-ring. The end of the first half-ring away from the notch is connected to a protrusion. The end of the second half-ring away from the notch is provided with a groove for the protrusion to be inserted. The end of the groove opposite to the scraper ring axis is provided with a slot. The protrusion is provided with a through-hole. The pin passes through the through-hole and is inserted into the slot. The end of the pin opposite to the scraper ring axis is coaxially fixedly connected to an abutment plate. One end of the second spring is fixedly connected to the end of the protrusion opposite to the scraper ring axis. The other end of the second spring is fixedly connected to the abutment plate. The connector is slidably connected to the second half-ring, and the fixing member is slidably connected to the first half-ring.

[0035] By adopting the above technical solution, the pin slides out, causing the first half ring and the second half ring to separate, making it less likely to scrape away the oil applied by the oiling ring to the outer wall of the smoothing roller when the scraper ring is reset.

[0036] In summary, this application includes at least one of the following beneficial technical effects:

[0037] 1. Adding expanded clay to the block material gives the blocks lightweight, heat insulation, fire resistance, sound insulation and environmental protection characteristics, improving the material performance of the wall. Pre-grinding fly ash, slag and coal ash increases the surface area of ​​the raw materials, making the mixture easier to mix evenly and improving the quality of the blocks.

[0038] 2. The guide post abuts against the guide surface, causing the first spring to contract. The sliding block slides to open the notch for the guide post to pass through. After the guide post passes through, the first spring returns to its original deformation, causing the sliding block to slide out. Both the sliding block and the scraper ring abut against the outer wall of the smoothing roller, thereby achieving all-round scraping of the waste material on the outer wall of the smoothing roller and improving the cleaning quality.

[0039] 3. Both the oiling ring and the scraper ring are embedded in the placement groove. During the demolding process, the mold box needs to be flipped over. The oil in the oil cavity enters the placement groove through the oil pipe under the action of gravity, so as to apply oil to the oiling ring and facilitate the subsequent application of oil to the surface of the smoothing roller. Attached Figure Description

[0040] Figure 1 This is a schematic diagram of the overall structure of the block mold.

[0041] Figure 2 This is an exploded view of the cleanup components.

[0042] Figure 3 This is a schematic diagram of the overall structure of the smoothing roller, separating block, and auxiliary components.

[0043] Figure 4 This is a schematic diagram of the overall structure of the smoothing roller, cleaning assembly, control assembly, and auxiliary assembly.

[0044] Explanation of reference numerals in the attached drawings: 1. Mold box; 11. Receiving groove; 111. Forming groove; 112. Collecting groove; 113. Guide hole; 114. Placement groove; 12. Oil cavity; 13. Mounting port; 2. Smoothing roller; 21. Guide post; 3. Sliding assembly; 31. Driving wheel; 32. Driven wheel; 33. First guide wheel; 34. Second guide wheel; 35. Transmission belt; 36. Bracket; 37. First drive motor; 38. Cover; 39. Connecting block; 4. Cleaning assembly; 41. Scraper ring; 411. Notch; 4111. Sliding groove; 412. First half-ring; 4121. Protrusion; 4122. Through hole; 4123. First connecting groove; 413. Second half-ring; 4131. Groove; 413 2. Groove; 4133. Second connecting groove; 42. Oiling ring; 421. Joint; 43. Sliding block; 431. Guide surface; 44. First spring; 45. Pin; 451. Abutting plate; 452. Abutting surface; 46. Second spring; 47. Separating block; 471. Inclined surface; 5. Control component; 51. Guide rod; 52. Fixing component; 521. First fixing plate; 522. Second fixing plate; 53. Lead screw; 54. Connecting component; 541. First connecting plate; 5411. Threaded opening; 542. Second connecting plate; 5421. Connection port; 55. Second drive motor; 6. Auxiliary component; 61. Oil pipe; 62. Collection box; 63. Cover plate; 64. Gear; 65. Rack. Detailed Implementation

[0045] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0046] This application discloses a production process for expanded clay aerated concrete blocks. The production process for expanded clay aerated concrete blocks includes the following steps:

[0047] Raw material preparation: Grind fly ash, slag and coal ash separately, and then weigh the raw materials according to the formula;

[0048] Mixing: Add the weighed cement, fly ash, ceramsite, slag, coal ash and water-reducing agent into the mixer for pre-mixing;

[0049] For foaming, add the weighed foaming agent, activator, coagulation and hardening accelerator and water into a mixer and mix thoroughly to form a viscous mixture.

[0050] Prepare the block mold and apply oil to the inner wall of the block mold;

[0051] Pouring involves pouring the mixture into the block mold, vibrating the mixture inside the mold, and smoothing the surface.

[0052] Hardening involves placing the mixture in a mold to allow it to foam, initially set, and solidify.

[0053] Demolding: After the mixture is formed in the mold, it is demolded to obtain the blank.

[0054] Cutting: cutting the blank into blocks of a predetermined shape;

[0055] Curing involves placing the blocks into a steam curing autoclave for steam curing.

[0056] Testing, checking whether the product is qualified.

[0057] Reference Figure 1 The block mold includes a mold box 1, a smoothing roller 2, a sliding component 3, a cleaning component 4, a control component 5, and an auxiliary component 6. The upper end of the mold box 1 is provided with a receiving groove 11, and the bottom of the receiving groove 11 is provided with a forming groove 111 and a collecting groove 112. The forming groove 111 and the collecting groove 112 are respectively located near the two ends of the mold box 1 along the length direction.

[0058] The wall of the receiving groove 11 is provided with guide holes 113. There are two guide holes 113, which are arranged opposite each other. The guide holes 113 are divided into three sections. The first section of the guide hole 113 is located above the forming groove 111, and the length direction of the first section of the guide hole 113 is parallel to the length direction of the mold box 1. The second section of the guide hole 113 is located above the collecting groove 112, and the length direction of the second section of the guide hole 113 is parallel to the length direction of the mold box 1. The height of the second section of the guide hole 113 is greater than the height of the first section of the guide hole 113. The two ends of the third section of the guide hole 113 are respectively connected to the first section of the guide hole 113 and the second section of the guide hole 113. The third section of the guide hole 113 is inclined.

[0059] Reference Figure 1 Both ends of the smoothing roller 2 are coaxially fixedly connected to guide posts 21. The guide posts 21 are slidably connected to the inner wall of the guide hole 113. The sliding direction of the guide posts 21 is along the extension direction of the guide hole 113. The axis of the smoothing roller 2 is parallel to the width direction of the mold box 1. The smoothing roller 2 is used to smooth the upper surface of the mixture.

[0060] Reference Figure 1The sliding assembly 3 includes a driving wheel 31, a driven wheel 32, a first guide wheel 33, a second guide wheel 34, a transmission belt 35, a bracket 36, a first drive motor 37, a cover 38, and a connecting block 39. Both the driving wheel 31 and the driven wheel 32 are rotatably connected to the outer wall of the mold box 1 around their own axes. The rotation axes of both the driving wheel 31 and the driven wheel 32 are parallel to the width direction of the mold box 1. The driving wheel 31 and the driven wheel 32 are respectively located near the two ends of the guide hole 113. The driving wheel 31 is positioned above the first section of the guide hole 113, and the driven wheel 32 is positioned above the second section of the guide hole 113. The first guide wheel 33 is positioned above the junction of the first and third sections of the guide hole 113, and the second guide wheel 34 is positioned above the junction of the second and third sections of the guide hole 113. The transmission belt 35 is sleeved around the outer periphery of the driving wheel 31 and the driven wheel 32.

[0061] Two first guide wheels 33 are provided, one first guide wheel 33 is located inside the transmission belt 35, and the other first guide wheel 33 is located above the transmission belt 35. Two second guide wheels 34 are provided, one second guide wheel 34 is located inside the transmission belt 35, and the other second guide wheel 34 is located below the transmission belt 35. The first guide wheels 33 and the second guide wheels 34 are used to change the direction of the transmission belt 35 and make the transmission belt 35 taut.

[0062] Reference Figure 1 The bracket 36 is fixedly connected to the outer wall of the mold box 1. The bracket 36 is located close to the drive wheel 31. The motor housing of the first drive motor 37 is fixedly connected to the bracket 36. The motor shaft of the first drive motor 37 passes through the bracket 36 and is coaxially fixedly connected to the drive wheel 31. The cover 38 is coaxially rotatably sleeved on the outer periphery of the guide post 21. One end of the connecting block 39 is fixedly connected to the outer wall of the cover 38, and the other end of the connecting block 39 is fixedly connected to the transmission belt 35.

[0063] Reference Figure 2 and Figure 3 The cleaning component 4 includes a scraper ring 41, an oiling ring 42, a sliding block 43, a first spring 44, a pin 45, a second spring 46, and a separating block 47.

[0064] Reference Figure 1 and Figure 2The wall of the receiving groove 11 is provided with a placement groove 114, which is connected to the second guide hole 113. The placement groove 114 is located above the collecting groove 112. The placement groove 114 is used for embedding the scraper ring 41 and the oiling ring 42. The distance from the oiling ring 42 to the bottom of the placement groove 114 is less than the distance from the scraper ring 41 to the bottom of the placement groove 114. The scraper ring 41 and the oiling ring 42 are both sleeved on the outer periphery of the smoothing roller 2. The inner wall of the scraper ring 41 is slidably connected to the outer wall of the smoothing roller 2. The scraper ring 41 is used to scrape off the waste material on the smoothing roller 2. The inner wall of the oiling ring 42 is slidably connected to the outer wall of the smoothing roller 2. The oiling ring 42 is used to apply oil to the outer wall of the smoothing roller 2.

[0065] The oiling ring 42 is made of sponge. A seam 421 is provided at one end of the oiling ring 42 facing the third guide hole 113. A notch 411 is provided at one end of the scraper ring 41 facing the third guide hole 113. Both the seam 421 and the notch 411 are for the guide post 21 to pass through. A sliding groove 4111 is provided on the inner wall of the notch 411. A sliding block 43 is slidably embedded in the sliding groove 4111. One end of the first spring 44 is fixedly connected to the bottom of the sliding groove 4111, and the other end of the first spring 44 is fixedly connected to the sliding block 43. A guide surface 431 is provided at the end of the sliding block 43 facing away from the axis of the scraper ring 41. The guide surface 431 is for the guide post 21 to abut against. The end of the sliding block 43 facing the axis of the scraper ring 41 abuts against the outer wall of the smoothing roller 2.

[0066] Reference Figure 1 and Figure 2 The scraper ring 41 includes a first half-ring 412 and a second half-ring 413. The first half-ring 412 is located above the second half-ring 413. A protrusion 4121 is fixedly connected to the end of the first half-ring 412 away from the notch 411. A groove 4131 is provided at the end of the second half-ring 413 away from the notch 411 for the protrusion 4121 to be inserted. A groove 4132 is provided at the end of the groove 4131 away from the axis of the scraper ring 41. The protrusion 4121 is provided with a through-hole 4122 through the protrusion 4121. 21. The through-hole 4122 is directly opposite the groove 4132. The pin 45 passes through the through-hole 4122 and is embedded in the groove 4132. The end of the pin 45 facing away from the axis of the scraper ring 41 is coaxially fixedly connected to the abutment plate 451. One end of the second spring 46 is fixedly connected to the end of the protrusion 4121 facing away from the axis of the scraper ring 41, and the other end of the second spring 46 is fixedly connected to the abutment plate 451. The end of the pin 45 facing the second half-ring 413 has an abutment surface 452, which is used for the end of the second half-ring 413 to abut. The outer wall of the scraper ring 41 facing the placement groove 114 has a chamfer.

[0067] Reference Figure 1 and Figure 2The separating block 47 is fixedly connected to the wall of the receiving groove 11 facing the placement groove 114. The separating block 47 is located on the outer periphery of the scraper ring 41. The end of the separating block 47 away from the axis of the scraper ring 41 is provided with an inclined surface 471. The distance from the inclined surface 471 to the axis of the scraper ring 41 decreases as it approaches the placement groove 114.

[0068] Reference Figure 2 and Figure 3 The separating block 47 is used to insert between the first half-ring 412 and the abutting plate 451, and the inclined surface 471 is used to abut the abutting plate 451.

[0069] Reference Figure 1 and Figure 4 The control component 5 includes a guide rod 51, a fixing member 52, a lead screw 53, a connecting member 54, and a second drive motor 55. The guide rod 51 is fixedly connected to the wall of the receiving groove 11. The length direction of the guide rod 51 is parallel to the axis of the smoothing roller 2. The guide rod 51 is located above the collecting groove 112 and on the side of the smoothing roller 2 away from the forming groove 111.

[0070] Reference Figure 2 and Figure 4 The fastener 52 includes a first fixing plate 521 and a second fixing plate 522. Both the first fixing plate 521 and the second fixing plate 522 are slidably connected to the guide rod 51. The sliding direction of the first fixing plate 521 and the sliding direction of the second fixing plate 522 are parallel to the axial direction of the guide rod 51. The first half ring 412 is provided with a first connecting groove 4123 at one end facing the guide rod 51. The first fixing plate 521 is slidably embedded in the first connecting groove 4123. The second fixing plate 522 is fixedly connected to the outer wall of the oiling ring 42.

[0071] Reference Figure 1 and Figure 4 The lead screw 53 is rotatably connected to the wall of the receiving groove 11 around its own axis. The rotation axis of the lead screw 53 is parallel to the rotation axis of the guide rod 51. The lead screw 53 is located above the collecting groove 112.

[0072] Reference Figure 2 and Figure 4 The lead screw 53 is located below the oiling ring 42. The connecting member 54 includes a first connecting plate 541 and a second connecting plate 542. The first connecting plate 541 has a threaded opening 5411, and the lead screw 53 is threaded to the inner wall of the threaded opening 5411. The second connecting plate 542 has a connecting opening 5421, and the lead screw 53 is threaded to the inner wall of the connecting opening 5421. The second half-ring 413 has a second connecting groove 4133 facing the outer wall of the lead screw 53. The first connecting plate 541 is slidably embedded in the second connecting groove 4133, and the second connecting plate 542 is fixedly connected to the outer wall of the oiling ring 42.

[0073] The motor housing of the second drive motor 55 is fixedly connected to the outer wall of the mold box 1, and the motor shaft of the second drive motor 55 is coaxially fixedly connected to the lead screw 53.

[0074] Reference Figure 4 The auxiliary component 6 includes an oil pipe 61, a collection box 62, a cover plate 63, a gear 64, and a rack 65. The mold box 1 is provided with an oil cavity 12, which is located below the collection tank 112. The oil cavity 12 stores oil, and one end of the oil pipe 61 is connected to the top of the oil cavity 12, while the other end of the oil pipe 61 is connected to the top of the placement tank 114.

[0075] Reference Figure 1 and Figure 4 The collection box 62 is embedded in the collection groove 112. The mold box 1 has an installation port 13 at the end away from the molding groove 111. The installation port 13 is connected to the collection groove 112. The collection box 62 is slidably embedded in the collection groove 112 from the installation port 13. The collection box 62 is used to collect the waste material scraped off by the scraper ring 41. The cover plate 63 is slidably connected to the upper end of the collection box 62 and to the inner wall of the installation port 13. The sliding direction of the cover plate 63 is parallel to the length direction of the second guide hole 113. The cover plate 63 is used to cover the upper end of the collection box 62 to prevent the waste material from leaving the collection box 62 during demolding. The gear 64 is coaxially fixedly connected to the outer wall of the lead screw 53. The rack 65 is fixedly connected to the upper end of the cover plate 63. The gear 64 meshes with the rack 65.

[0076] The implementation principle of the production process of ceramsite aerated concrete blocks in this application embodiment is as follows: After pouring, the sliding component 3 drives the smoothing roller 2 to smooth the surface of the mixture along the extension direction of the guide hole 113. After smoothing, the guide column 21 passes through the joint 421 and the notch 411 and is placed in the scraper ring 41 and the oiling ring 42. After hardening, the concrete adhering to the surface of the smoothing roller 2 is simultaneously hardened. When demolding, the mold box 1 is flipped, and the oil in the oil cavity 12 enters the placement groove 114 through the oil pipe 61 to apply oil to the oiling ring 42. After demolding, the operator starts the process while applying oil to the forming groove 111. The second drive motor 55 is activated, and the scraper ring 41 moves to clean the smoothing roller 2. The screw 53 rotates, causing the cover plate 63 to move and expose the opening of the collection box 62. Waste material falls into the collection box 62. The oiling ring 42 applies oil to the outer wall of the smoothing roller 2. When the oiling ring 42 and the scraper ring 41 are reset, in order to prevent the scraper ring 41 from scraping off the oil from the outer wall of the smoothing roller 2, the separating block 47 abuts against the abutment plate 451, causing the pin 45 to move. The first half ring 412 and the second half ring 413 separate. The chamfering allows the first half ring 412 and the second half ring 413 to be embedded in the placement groove 114 and then merged, making it convenient for the next scraping.

[0077] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A production mold for expanded clay aerated concrete blocks, characterized in that: The device includes a mold box (1) and a smoothing roller (2). The upper end of the mold box (1) is provided with a receiving groove (11). The bottom of the receiving groove (11) is provided with a forming groove (111) and a collecting groove (112). The groove wall of the receiving groove (11) is provided with a guide hole (113). The guide hole (113) is located above the forming groove (111) and the collecting groove (112). The end of the smoothing roller (2) is coaxially fixedly connected with a guide post (21). The guide post (21) is slidably connected to the inner wall of the guide hole (113). The sliding direction of the guide post (21) is along the extension direction of the guide hole (113). The smoothing roller (2) is used to smooth the upper surface of the mixture. It also includes a scraper ring (41), which is sleeved on the outer periphery of the smoothing roller (2), and the inner wall of the scraper ring (41) is slidably connected to the outer wall of the smoothing roller (2). The scraper ring (41) is used to scrape off waste material on the smoothing roller (2). It also includes an oiling ring (42), which is sleeved on the outer periphery of the smoothing roller (2), and the inner wall of the oiling ring (42) is slidably connected to the outer wall of the smoothing roller (2). The oiling ring (42) is used to apply oil to the outer wall of the smoothing roller (2). It also includes a guide rod (51) and a fixing member (52), which are connected to the groove wall of the receiving groove (11). The length direction of the rod (51) is parallel to the axis of the smoothing roller (2). The guide rod (51) is located above the collection trough (112). The fixing member (52) is slidably connected to the guide rod (51). The sliding direction of the fixing member (52) is parallel to the length direction of the guide rod (51). The scraper ring (41) and the oiling ring (42) are both connected to the fixing member (52). The material of the oiling ring (42) is sponge. The oiling ring (42) has a seam (421). The scraper ring (41) has a notch (411). The seam (421) and the notch (411) are both used for the guide column (21) to pass through.

2. The production mold for expanded clay aerated concrete blocks according to claim 1, characterized in that: It also includes a sliding block (43) and a first spring (44). The inner wall of the notch (411) is provided with a sliding groove (4111). The sliding block (43) is slidably embedded in the sliding groove (4111). One end of the first spring (44) is fixedly connected to the bottom of the sliding groove (4111), and the other end of the first spring (44) is fixedly connected to the sliding block (43). The end of the sliding block (43) facing away from the axis of the scraper ring (41) is provided with a guide surface (431). The guide surface (431) is used for the guide post (21) to abut. The end of the sliding block (43) facing the axis of the scraper ring (41) is used to abut against the outer wall of the smoothing roller (2).

3. The production mold for expanded clay aerated concrete blocks according to claim 1, characterized in that: It also includes an oil pipe (61), and the wall of the receiving groove (11) is provided with a placement groove (114). The placement groove (114) is located above the collection groove (112). The placement groove (114) is used for the oiling ring (42) and the scraper ring (41) to be embedded. The distance from the oiling ring (42) to the bottom of the placement groove (114) is less than the distance from the scraper ring (41) to the bottom of the placement groove (114). The mold box (1) is provided with an oil cavity (12). The oil cavity (12) is located below the collection groove (112). One end of the oil pipe (61) is connected to the oil cavity (12), and the other end of the oil pipe (61) is connected to the placement groove (114).

4. The production mold for expanded clay aerated concrete blocks according to claim 1, characterized in that: It also includes a lead screw (53) and a connector (54). The lead screw (53) is rotatably connected to the wall of the receiving groove (11) around its own axis. The rotation axis of the lead screw (53) is parallel to the rotation axis of the guide rod (51). The connector (54) is provided with a threaded opening (5411). The lead screw (53) is threaded to the inner wall of the threaded opening (5411). The connector (54) is connected to the scraper ring (41) and the oiling ring (42).

5. The production mold for expanded clay aerated concrete blocks according to claim 4, characterized in that: It also includes a pin (45) and a second spring (46). The scraper ring (41) includes a first half-ring (412) and a second half-ring (413). The first half-ring (412) has a protrusion (4121) connected to one end away from the notch (411). The second half-ring (413) has a groove (4131) at one end away from the notch (411). The groove (4131) is used for the protrusion (4121) to be inserted. The groove (4131) has a slot (4132) at one end away from the axis of the scraper ring (41). The protrusion (4121) has a through hole. (4122), the pin (45) passes through the through hole (4122) and is embedded in the groove (4132). The end of the pin (45) away from the axis of the scraper ring (41) is coaxially fixedly connected to the abutment plate (451). One end of the second spring (46) is fixedly connected to the end of the protrusion (4121) away from the axis of the scraper ring (41). The other end of the second spring (46) is fixedly connected to the abutment plate (451). The connector (54) is slidably connected to the second half ring (413). The fixing member (52) is slidably connected to the first half ring (412).

Images