A device for manufacturing bricks from recycled construction waste
By adopting a liftable brick mold and a high-pressure jet pipe design in the brick-making device made from recycled construction waste, the problem of brick jamming was solved, enabling smooth demolding and efficient production, simplifying equipment maintenance, and improving brick-making efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN KUNPENG ENVIRONMENTAL PROTECTION CONSTR WASTE TREATMENT CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-06-19
AI Technical Summary
In existing brick-making equipment made from recycled construction waste, the bricks are prone to jamming at the contact point between the formed bricks and the brick-making box during the high-pressure pressing process, making them difficult to remove. In addition, the traditional equipment has a complicated process and low brick-making efficiency.
The design features a liftable brick mold with openings at both the top and bottom of the mold cavity. Combined with a hydraulic lifting system and a high-pressure jet pipe, it enables smooth demolding of bricks. The detachable mold cavity and forming pressure plate design facilitate equipment maintenance and cleaning.
This avoids bricks getting stuck and falling during the demolding process, simplifies equipment maintenance procedures, and improves brick-making efficiency and equipment operational stability.
Smart Images

Figure CN224374395U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of recycled brick manufacturing technology, specifically a brick-making device made from recycled construction waste. Background Technology
[0002] The booming development of the construction industry has also generated a large amount of construction waste. This waste mainly includes waste concrete, brick and tile fragments, stone scraps, metal waste, and other construction and decoration waste. Traditional disposal methods primarily involve open-air dumping or landfilling, which not only occupies a large amount of valuable land resources but also brings a series of serious environmental problems. Processing this waste into recycled bricks can achieve resource recycling, reduce dependence on natural aggregates, lower energy consumption and carbon emissions, and achieve both environmental and economic benefits. Traditional brick-making methods are insufficient to meet the production demands of recycled bricks; therefore, production using brick-making equipment is necessary.
[0003] A utility model patent with patent number CN202222990046.5 discloses a brick-making device for recycled construction waste, including a support frame. A driving device is fixedly connected to the top of the support frame, and a pressing device is fixedly connected to the output end of the driving device. This brick-making device, through the coordinated arrangement of a brick-making box, a movable plate, gears, a first motor, and a transmission belt, allows the user to start the first motor after the construction waste is pressed into shape inside the brick-making box. The user then starts the first motor to drive the gears to rotate, and the movable plate is pulled out from the bottom of the brick-making box through the transmission action of the gear teeth. At this time, the bricks inside the brick-making box, due to the loss of the support of the movable plate, slide from the bottom of the brick-making box to the conveyor belt under their own gravity. The conveyor belt moves the bricks to the appropriate position, thus avoiding the problem of low brick-making efficiency caused by the need for external machinery to transfer the bricks to the conveyor device after they are fed into the box, which is a complicated process. The brick-making device provided by the aforementioned patent can transport the produced bricks to the appropriate position in a timely manner by setting a conveyor belt; however, during the brick-making process, since the raw materials in the brick-making box need to be pressed under high pressure by a pressing device, the contact point between the formed bricks and the brick-making box is easily jammed, making it difficult to remove the bricks, which needs further improvement. Utility Model Content
[0004] The purpose of this utility model is to provide a brick-making device for recycled construction waste, which aims to improve the existing brick-making device by using a pressing device to press the raw materials in the brick-making box under high pressure. As a result, the bricks are easily jammed at the contact point with the brick-making box after being formed, which makes it difficult to remove the bricks.
[0005] This utility model is implemented as follows: A brick-making device made from recycled construction waste includes a base and a conveyor belt. The base is mounted on the conveyor belt, and a feeding ramp is provided at one end of the base, extending onto the conveyor belt. The device also includes a mounting frame, on both sides of which a pair of lead screws are symmetrically arranged. A brick mold is raised and lowered on the pair of lead screws, and multiple mold cavities are sequentially installed on the brick mold along its length. A pressing device is raised and lowered on the mounting frame above the brick mold, and a forming pressure plate corresponding to each mold cavity is provided below the pressing device.
[0006] Preferably, it also includes a pushing device, which includes a push plate and a hydraulic telescopic rod; the upper end of the base away from the unloading slope is provided with the pushing device, and the pushing device is provided with a push plate that is pushed toward the unloading slope by the hydraulic telescopic rod.
[0007] Preferably, the ejection device further includes a high-pressure jet pipe and a high-pressure air pump; the push plate has a groove at one end facing the material feeding slope, and multiple high-pressure jet pipes are arranged sequentially along the length of the groove; the air outlet of the high-pressure air pump is connected to an air supply hose, and the end of the air supply hose away from the high-pressure air pump is simultaneously connected to multiple high-pressure jet pipes.
[0008] Preferably, the lead screw shaft includes a first gear, the lead screw shaft is vertically rotatably mounted on the mounting frame, and the upper end of the lead screw shaft is provided with the first gear through the mounting frame; a motor is provided inside the upper surface of the mounting frame at a position between a pair of lead screw shafts, and the output shaft of the motor is provided with a second gear through the mounting frame, the second gear meshing with the first gear.
[0009] Preferably, the brick mold includes threaded holes, and both ends of the brick mold are provided with threaded holes that are compatible with the lead screw shaft. Both ends of the brick mold are threadedly mounted on the corresponding lead screw shaft through the threaded holes.
[0010] Preferably, the mold cavity includes a first mounting bolt, the mold cavity is a cavity with openings at both the top and bottom, and the mold cavity is fitted onto the brick mold by the first mounting bolt.
[0011] Preferably, the molding device includes connecting grooves, and a pair of connecting grooves are symmetrically arranged on the upper end face of the molding device. A second mounting bolt is provided in the connecting groove. A hydraulic lifting column is provided on the upper end face of the mounting frame corresponding to the position of each connecting groove. The telescopic end of the hydraulic lifting column is detachably installed in the connecting groove by means of the second mounting bolt. A forming pressure plate corresponding to the mold cavity is detachably provided on the lower end face of the molding device.
[0012] Preferably, the forming plate includes a mounting rod, the upper end face of the forming plate is provided with the mounting rod, the upper end of the mounting rod is provided with a third mounting bolt, and the lower end face of the pressing device is detachably mounted on the mounting rod through the third mounting bolt.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. This utility model sets a mold cavity with openings at both the top and bottom in a brick mold that can be raised and lowered, so that the mold cavity can abut against the base to make bricks. After the bricks are made, the bricks can be demolded by raising the brick mold first, avoiding jamming at the contact position between the formed bricks and the brick box, and the bricks will not fall during the demolding process, thus preventing the bricks from bumping and hitting each other.
[0015] 2. This utility model, by detachably setting the mold cavity in the brick mold and detachably setting the forming pressure plate on the pressing device, allows for convenient replacement of the mold cavity and forming pressure plate when they wear out, without the need to disassemble the entire equipment for maintenance. 3. This utility model, by setting a high-pressure air jet pipe in the ejection device, allows for timely cleaning of the upper surface of the base, preventing raw material debris from spilling onto the base and affecting subsequent batches. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of the brick mold of this utility model on the base;
[0017] Figure 2 This is a schematic diagram of the structure of the brick mold rising according to this utility model;
[0018] Figure 3 This is a schematic diagram of the assembly structure of the lead screw shaft on the mounting bracket of this utility model;
[0019] Figure 4 This is a three-dimensional structural diagram of the brick mold and mold cavity of this utility model;
[0020] Figure 5 This is a three-dimensional structural diagram of the molding device and forming plate of this utility model;
[0021] Figure 6 This is a cross-sectional structural diagram of the molding device and forming plate of this utility model;
[0022] Figure 7This is a three-dimensional structural diagram of the ejection device of this utility model. In the diagram: 1. Base; 101. Feeding inclined surface; 2. Conveyor belt; 3. Mounting frame; 4. Lead screw shaft; 401. First gear; 5. Brick mold; 501. Threaded hole; 6. Mold cavity; 601. First mounting bolt; 7. Pressing device; 701. Connecting groove; 702. Second mounting bolt; 8. Forming pressure plate; 801. Mounting rod; 802. Third mounting bolt; 9. Hydraulic lifting column; 10. Motor; 1001. Second gear; 11. Ejection device; 1101. Push plate; 1102. Hydraulic telescopic rod; 1103. Groove; 1104. High-pressure jet pipe; 1105. High-pressure air pump; 1106. Air delivery hose. Detailed Implementation
[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0024] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details:
[0025] Example 1
[0026] like Figures 1-4As shown, a brick-making device made from recycled construction waste includes a base 1 and a conveyor belt 2. The base 1 is mounted on the conveyor belt 2, and a feeding ramp 101 is provided at one end of the base 1, extending onto the conveyor belt 2. By providing the feeding ramp 101, bricks can be smoothly moved onto the conveyor belt 2, thus preventing brick collision damage. It also includes a mounting frame 3, on both sides of which a pair of lead screw shafts 4 are symmetrically arranged. Each lead screw shaft 4 includes a first gear 401, which is vertically rotatably mounted on the mounting frame 3, with the first gear 401 extending through the upper end of the mounting frame 3. A motor 10 is located inside the mounting frame 3, between the pair of lead screw shafts 4. The output shaft of the motor 10 extends through the mounting frame 3 and has a second gear 1001, which meshes with the first gear 401. The motor 10 rotates, driving the lead screw shafts 4 to rotate via the second gear 1001 and the first gear 401. A pair of lead screw shafts 4 are equipped with brick molds 5 that are raised and lowered. Multiple mold cavities 6 are sequentially installed along the length of each brick mold 5. Each brick mold 5 includes a threaded hole 501, and both ends of the brick mold 5 have threaded holes 501 that are compatible with the lead screw shafts 4. Both ends of the brick mold 5 are threaded onto the corresponding lead screw shafts 4 through the threaded holes 501. Each mold cavity 6 includes a first mounting bolt 601 and is an open cavity at both the top and bottom. The mold cavity 6 is fitted onto the brick mold 5 by the first mounting bolt 601. During rotation, the lead screw shafts 4 can drive the brick mold 5 to rise and fall through the threaded holes. Multiple experiments have ensured that the brick mold 5 is set horizontally, allowing it to move onto the base 1. The base 1 then seals the lower end of the mold cavity 6, enabling brick making. After brick making is complete, the brick mold 5 can be raised to facilitate brick demolding.
[0027] like Figure 1 , Figure 5 and Figure 6As shown, a pressing device 7 is mounted on the mounting frame 3 above the brick mold 5, and a forming plate 8 corresponding to the mold cavity 6 is provided below the pressing device 7. The pressing device 7 includes a connecting groove 701, and a pair of connecting grooves 701 are symmetrically arranged on the upper end face of the pressing device 7. A second mounting bolt 702 is provided in the connecting groove 701. A hydraulic lifting column 9 is provided on the upper end face of the mounting frame 3 corresponding to each connecting groove 701. The telescopic end of the hydraulic lifting column 9 is detachably installed in the connecting groove 701 through the second mounting bolt 702. A forming plate 8 corresponding to the mold cavity 6 is detachably installed on the lower end face of the pressing device 7. The forming plate 8 includes a mounting rod 801, and a mounting rod 801 is provided on the upper end face of the forming plate 8. A third mounting bolt 802 is provided on the upper end of the mounting rod 801. The mounting rod 801 is detachably installed on the lower end face of the pressing device 7 through the third mounting bolt 802. By setting up the molding device 7 and the forming plate 8, the raw materials for brick making can be squeezed to complete the brick making work. After the brick making work is completed, the brick mold 5 can be lifted up to allow the bricks to detach from the brick mold 5, thus preventing the bricks from getting stuck in the brick mold 5.
[0028] like Figure 2 and Figure 7 As shown, the device also includes a push-out device 11, which includes a push plate 1101 and a hydraulic telescopic rod 1102. The push-out device 11 is provided at the end of the upper surface of the base 1 away from the unloading slope 101. The push-out device 11 includes a push plate 1101 that is pushed towards the unloading slope 101 by the hydraulic telescopic rod 1102. The push-out device 11 also includes a high-pressure jet pipe 1104 and a high-pressure air pump 1105. A groove 1103 is provided at the end of the push plate 1101 facing the unloading slope 101. Multiple high-pressure jet pipes 1104 are arranged sequentially along the length of the groove 1103. The air outlet of the high-pressure air pump 1105 is connected to an air supply hose 1106. The end of the air supply hose 1106 away from the high-pressure air pump 1105 is connected to multiple high-pressure jet pipes 1104. By setting up the ejection device 11, the demolded bricks can be pushed onto the conveyor belt 2. During the pushing process, the upper surface of the base 1 is cleaned by the high-pressure air pump 1105 and the high-pressure air jet pipe 1104 to avoid affecting the next batch of brick making.
[0029] Example 2
[0030] like Figures 1-4As shown, a brick-making device made from recycled construction waste includes a base 1 and a conveyor belt 2. The base 1 is mounted on the conveyor belt 2. One end of the base 1 is provided with a feeding ramp 101, which extends onto the conveyor belt 2. The device also includes a mounting frame 3. A pair of lead screw shafts 4 are symmetrically arranged on both sides of the mounting frame 3. Each lead screw shaft 4 includes a first gear 401. The lead screw shaft 4 is vertically rotatably mounted on the mounting frame 3, and the first gear 401 is provided through the upper end of the mounting frame 3. A motor 10 is provided inside the upper surface of the mounting frame 3 at a position between the pair of lead screw shafts 4. The output shaft of the motor 10 is provided through the mounting frame 3 and a second gear 1001 is provided. The second gear 1001 meshes with the first gear 401. A brick mold 5 is mounted on a pair of lead screw shafts 4. Multiple mold cavities 6 are sequentially installed on the brick mold 5 along its length. Each brick mold 5 includes a threaded hole 501, and both ends of the brick mold 5 have threaded holes 501 that are compatible with the lead screw shafts 4. Both ends of the brick mold 5 are threaded onto the corresponding lead screw shafts 4 through the threaded holes 501. Each mold cavity 6 includes a first mounting bolt 601. The mold cavity 6 is a cavity open at both the top and bottom, and is fitted onto the brick mold 5 by the first mounting bolt 601.
[0031] like Figure 1 , Figure 5 and Figure 6 As shown, a pressing device 7 is mounted on the mounting frame 3 above the brick mold 5, and a forming plate 8 corresponding to the mold cavity 6 is provided below the pressing device 7. The pressing device 7 includes a connecting groove 701, and a pair of connecting grooves 701 are symmetrically arranged on the upper end face of the pressing device 7. A second mounting bolt 702 is provided in the connecting groove 701. A hydraulic lifting column 9 is provided on the upper end face of the mounting frame 3 corresponding to each connecting groove 701. The telescopic end of the hydraulic lifting column 9 is detachably installed in the connecting groove 701 through the second mounting bolt 702. A forming plate 8 corresponding to the mold cavity 6 is detachably installed on the lower end face of the pressing device 7. The forming plate 8 includes a mounting rod 801, and a mounting rod 801 is provided on the upper end face of the forming plate 8. A third mounting bolt 802 is provided on the upper end of the mounting rod 801. The mounting rod 801 is detachably installed on the lower end face of the pressing device 7 through the third mounting bolt 802.
[0032] like Figure 2 and Figure 7As shown, the device also includes a push-out device 11, which includes a push plate 1101 and a hydraulic telescopic rod 1102. The push-out device 11 is provided at the end of the upper surface of the base 1 away from the unloading slope 101. The push-out device 11 includes a push plate 1101 that is pushed towards the unloading slope 101 by the hydraulic telescopic rod 1102. The push-out device 11 also includes a high-pressure jet pipe 1104 and a high-pressure air pump 1105. A groove 1103 is provided at the end of the push plate 1101 facing the unloading slope 101. Multiple high-pressure jet pipes 1104 are arranged sequentially along the length of the groove 1103. The air outlet of the high-pressure air pump 1105 is connected to an air supply hose 1106. The end of the air supply hose 1106 away from the high-pressure air pump 1105 is connected to multiple high-pressure jet pipes 1104.
[0033] The working principle of this utility model is as follows: In use, the brick mold 5 is moved to the upper surface of the base 1, and the lower port of the mold cavity 6 is sealed by the base 1. The raw materials are put into the mold cavity 6, and then the hydraulic lifting column 9 drives the pressing device 7 and the forming plate 8 to press the bricks down. After the bricks are made, the brick mold 5 is first controlled to rise so that the bricks are separated from the brick mold 5. Then the pressing device 7 and the forming plate 8 are controlled to rise. Finally, the hydraulic telescopic rod 1102 controls the push plate 1101 to push the bricks to the conveyor belt 2. During the pushing process, the high-pressure air pump 1105 and the high-pressure air jet pipe 1104 clean the upper surface of the base 1 to avoid affecting the next batch of brick making.
[0034] In summary, this utility model, by setting a mold cavity 6 with openings at both the top and bottom in a height-adjustable brick mold 5, allows the mold cavity 6 to abut against the base 1 during brick making. After brick making, the brick can be demolded by first raising the brick mold 5, avoiding jamming at the contact point between the formed brick and the brick making box, and preventing the brick from falling during demolding, thus preventing brick collisions. The detachable mold cavity 6 in the brick mold 5 and the detachable forming pressure plate 8 on the pressing device 7 facilitate direct replacement of the mold cavity 6 and forming pressure plate 8 when they wear out, without requiring disassembly and maintenance of the entire equipment. The high-pressure air jet pipe 1104 in the ejection device 11 allows for timely cleaning of the upper surface of the base 1, preventing raw material debris from spilling onto the base 1 and affecting subsequent batches. The above are merely preferred embodiments of this utility model and are not intended to limit the scope of the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model shall be included within the protection scope of this utility model.
Claims
1. A building waste recycling brick making device, comprising a base (1) and a conveyor belt (2), the base (1) is erected on the conveyor belt (2), one end of the base (1) is provided with a discharging inclined surface (101), the discharging inclined surface (101) extends to the conveyor belt (2), characterized in that, It also includes a mounting frame (3), on which a pair of lead screw shafts (4) are symmetrically arranged on both sides. A brick mold (5) is raised and lowered on the pair of lead screw shafts (4). Multiple mold cavities (6) are installed sequentially on the brick mold (5) along its length direction. A pressing device (7) located above the brick mold (5) is raised and lowered on the mounting frame (3). A forming plate (8) corresponding to the mold cavity (6) is arranged below the pressing device (7).
2. A device for manufacturing bricks from recycled construction waste according to claim 1, characterized in that, It also includes a push-out device (11), which includes a push plate (1101) and a hydraulic telescopic rod (1102); the upper end of the base (1) away from the feeding slope (101) is provided with a push-out device (11), and the push-out device (11) is provided with a push plate (1101) that is pushed toward the feeding slope (101) by the hydraulic telescopic rod (1102).
3. A device for manufacturing bricks from recycled construction waste according to claim 2, characterized in that, The ejection device (11) further includes a high-pressure jet pipe (1104) and a high-pressure air pump (1105); the push plate (1101) has a groove (1103) at one end facing the feeding slope (101), and multiple high-pressure jet pipes (1104) are arranged sequentially along the length of the groove (1103); the outlet of the high-pressure air pump (1105) is connected to an air supply hose (1106), and the end of the air supply hose (1106) away from the high-pressure air pump (1105) is simultaneously connected to multiple high-pressure jet pipes (1104).
4. The apparatus for manufacturing bricks from recycled construction waste bricks as claimed in claim 1 wherein, The lead screw shaft (4) includes a first gear (401). The lead screw shaft (4) is vertically rotatably mounted on the mounting frame (3), and the first gear (401) is provided through the mounting frame (3) at its upper end. A motor (10) is provided on the upper surface inside the mounting frame (3) at a position between a pair of lead screw shafts (4). The output shaft of the motor (10) is provided through the mounting frame (3) and a second gear (1001) is provided. The second gear (1001) and the first gear (401) mesh with each other.
5. The apparatus for manufacturing bricks from recycled construction waste bricks as claimed in claim 1 wherein, The brick mold (5) includes a threaded hole (501). Both ends of the brick mold (5) are provided with threaded holes (501) that are compatible with the lead screw shaft (4). Both ends of the brick mold (5) are threaded onto the corresponding lead screw shaft (4) through the threaded holes (501).
6. The apparatus for manufacturing bricks from recycled construction waste bricks as claimed in claim 1 wherein, The mold cavity (6) includes a first mounting bolt (601). The mold cavity (6) is a cavity with openings at both the top and bottom ends. The mold cavity (6) is fitted onto the brick mold (5) by the first mounting bolt (601).
7. The apparatus for manufacturing bricks from recycled construction waste bricks as claimed in claim 1 wherein, The molding device (7) includes a connecting groove (701). A pair of connecting grooves (701) are symmetrically arranged on the upper end face of the molding device (7). A second mounting bolt (702) is provided in the connecting groove (701). A hydraulic lifting column (9) is provided on the upper end face of the mounting bracket (3) corresponding to each connecting groove (701). The telescopic end of the hydraulic lifting column (9) is detachably installed in the connecting groove (701) by means of the second mounting bolt (702). A forming plate (8) corresponding to the mold cavity (6) is detachably provided on the lower end face of the molding device (7).
8. A device for manufacturing bricks from recycled construction waste according to claim 7, characterized in that, The forming presser plate (8) comprises a mounting rod (801), the upper end face of the forming presser plate (8) is provided with the mounting rod (801), the upper end of the mounting rod (801) is provided with a third mounting bolt (802), and the lower end face of the press mold device (7) is detachably mounted on the mounting rod (801) through the third mounting bolt (802).
Citation Information
Patent Citations
Building waste regeneration brick making device
CN218614621U