Surface treatment device for low-temperature concrete brick preparation

Abstract

The surface treatment device for low-temperature concrete brick preparation comprises a conveyor and a treatment mechanism, the treatment mechanism comprises a rotating roller, the outer surface of the rotating roller is sleeved with two attached grinding shells, grinding lines are arranged on the surfaces of the grinding shells, a fixing sleeve and a ladder block are arranged on the two sides of the outer portion of the rotating roller correspondingly, and the fixing sleeve and the ladder block are fixedly connected with the conveyor. A fixing sleeve is fixedly connected to the outer surface of the conveyor, a spring pipe penetrates through and communicates with the interior of the fixing sleeve, a support is fixedly connected to the outer surface of the conveyor, a lifting rod is fixedly connected to the outer surface of the support, the outer surfaces of the fixing sleeve and the ladder block are both fixedly connected with the output end of the lifting rod, and the clamping assembly is arranged above the conveyor. The invention discloses a concrete brick surface treatment device which is used for guiding and clamping movement of concrete bricks, relates to the technical field of concrete brick processing, and solves the problems that when an existing surface treatment device is used, concrete brick surface sinking cannot be solved, treatment dead corners are prone to occurring, and the actual treatment capacity is poor.

Description

Technical Field

[0001] This invention relates to the field of concrete brick processing technology, specifically to a surface treatment device for the preparation of low-temperature concrete bricks. Background Technology

[0002] When using concrete bricks, a smooth surface is required. However, during the production of concrete bricks, defects such as protrusions and depressions on the surface are prone to occur. A surface treatment device for rebound testing of porous concrete bricks, with application number CN202322941440.4, includes a base plate with a side plate fixed to the top rear end. This device saves time and effort and is highly efficient in cleaning the surface of porous concrete bricks. Another surface treatment device, with application number CN202210422313.0, includes a workstation for fixing the object to be treated at the treatment position; this device can improve the efficiency and uniformity of surface treatment of microbial culture at the mouth of microbial culture bottles.

[0003] Although the above two sets of devices have surface treatment capabilities, they still have the following drawbacks in use: 1) Both sets of equipment can solve the protruding defects on the surface of concrete bricks by rotary cutting / rotary grinding, but cannot solve the concave defects, resulting in poor actual processing capacity; 2) The transportation methods and corresponding surface treatment methods of the two devices are not suitable for rectangular concrete bricks, and dead corners are easily encountered during surface treatment.

[0004] Therefore, it is necessary to address the shortcomings of existing surface treatment devices. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a surface treatment device for the preparation of low-temperature concrete bricks, which solves the problems that existing surface treatment devices cannot address surface depressions in concrete bricks and are prone to creating processing dead zones, resulting in poor actual processing capacity.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a surface treatment device for preparing low-temperature concrete bricks, comprising a conveyor and a treatment mechanism. The treatment mechanism includes a rotating roller, on the outer surface of which two closely fitting grinding shells are fitted. The surfaces of the grinding shells are provided with grinding patterns. Fixed sleeves and step blocks are respectively provided on both sides of the outer side of the rotating roller. A spring tube is passed through the interior of the fixed sleeve. A support is fixedly connected to the outer surface of the conveyor. A lifting rod is fixedly connected to the outer surface of the support. The outer surfaces of the fixed sleeves and the step blocks are both fixedly connected to the output end of the lifting rod. A clamping assembly, disposed above the conveyor, is used for guiding and clamping the concrete bricks. A grooving assembly, which is disposed on the body of a rotating roller, is used for roughening the surface of concrete bricks.

[0007] Preferably, key shafts are fixedly connected to both sides of the outer surface of the roller, a servo motor is fixedly connected to one end of the key shaft, the outer surface of the servo motor is fixedly connected to the output end of the lifting rod through a fixed base, two fitting sleeves are sleeved on the outer surface of the key shaft, the two sleeves are fixedly connected by bolts, and the outer surfaces of the two sleeves are respectively fixedly connected to the outer surfaces of the two grinding shells.

[0008] Preferably, the clamping assembly includes two clamping plates, and telescopic rods are fixedly connected to the outer surfaces of both clamping plates. The outer surfaces of the telescopic rods on both sides are fixedly connected to the outer surface of the bracket. Grooves are provided on the outer surfaces of both clamping plates, and a film is provided inside the grooves.

[0009] Preferably, a slide plate is slidably connected inside the groove, the outer surface of the slide plate is fixedly connected to the outer surface of the film, a slide rail is fixedly connected inside the groove, two linear motors are slidably connected to the outer surface of the slide rail, and rotating bars are rotatably connected to the outer surfaces of the two linear motors, with one end of each rotating bar rotatably connected to the outer surface of the slide plate.

[0010] Preferably, the grooving assembly includes a ring, the outer surface of which is fixedly connected to the interior of the rotating roller, the body of which has a through groove, and a sliding rod slidably connected inside the groove. One end of the sliding rod is slidably connected to both the rotating roller and the body of the grinding shell and extends to the outside of the grinding shell. One end of the sliding rod is threadedly connected to a lead screw.

[0011] Preferably, a worm gear is rotatably connected to the inside of the groove, and a gear is fixedly connected through the outer surface of the worm gear. The outer surface of the gear is rotatably connected to the inside of the groove and the inner ring of the annulus. A worm wheel meshes with the outer surface of the worm gear, and the body of the worm wheel is fixedly connected through the outer surface of the lead screw.

[0012] Preferably, a drive unit is provided on the outside of the worm gear, the drive unit includes a sliding sleeve, a rail groove is fixedly connected inside the sliding sleeve, the outer surface of the rail groove is fixedly connected to the inside of the rotating roller, and a rack is provided on the outside of the sliding sleeve, the outer surface of the rack meshing with the outer surface of the gear.

[0013] Preferably, a magnetic block is fixedly connected inside the sliding sleeve, and the outer surface of the magnetic block is slidably connected to the inside of the rail groove. Electromagnets are provided on both sides inside the rail groove, and the magnetic block slides inside the rail groove by magnetic interaction with the electromagnets.

[0014] Preferably, an adjustment module is provided on the outside of the rack. The adjustment module includes an air chamber, which is formed on the body of the sliding sleeve. A sliding cylinder is connected through the air chamber. A piston rod is slidably connected inside the sliding cylinder. One end of the piston rod is slidably connected through the body of the sliding cylinder and fixedly connected to the outer surface of the rack. Two pressure plates are slidably connected inside the air chamber. Magnetic posts are fixedly connected to the outer surfaces of the two pressure plates. One end of each of the two magnetic posts is slidably connected through the body of the sliding sleeve.

[0015] Preferably, a fixed rod is fixedly connected inside the air chamber, and the outer surface of the fixed rod is slidably connected through the bodies of the two pressure plates respectively. A compression spring is sleeved on the outer surface of the fixed rod, and the two ends of the compression spring are fixedly connected to the outer surfaces of the two pressure plates respectively.

[0016] Beneficial effects This invention provides a surface treatment apparatus for the preparation of low-temperature concrete bricks. Compared with the prior art, it has the following advantages: (1) By setting up a processing mechanism, both the grinding shell and the step block can be used to process the protruding parts of the concrete brick surface. The cutting ability of the step block can improve the processing efficiency of the grinding shell. Grinding with the grinding shell can make the concrete brick surface smoother. The grinding shell is assembled in two parts, which facilitates quick replacement after wear. At the same time, the fixed cover and spring tube can be used to repair the defective parts of the concrete brick surface, thereby further improving the processing capacity of the device.

[0017] (2) By setting up a clamping assembly, the telescopic rod drives the clamping plates to move closer to each other to clamp the concrete bricks during transportation and to protect the concrete bricks from the side, thereby improving the stability of the concrete bricks during transportation. Furthermore, by utilizing the deformation / movement of the film and its contact with the concrete bricks, the friction of the clamping is increased to improve the stability of the clamping, while avoiding the problem of damage to the surface of the concrete bricks caused by rigid clamping.

[0018] (3) By setting up a grooving component, the extension of the slide bar and the rotation of the roller can be used to process a strip groove on the surface of the concrete brick defect, so as to increase the contact area when repairing the concrete brick surface, thereby enhancing the connection between the repair area and the concrete brick body.

[0019] (4) By setting up a drive unit, the magnetic repulsion between the electromagnet and the magnetic block is used to make the magnetic block drive the rack to reciprocate through the sliding sleeve. When the rack reciprocates, the extension and reset of the slide rod are controlled by the meshing of the rack and gear.

[0020] (5) By setting up an adjustment module, the increase of the magnetic force of the electromagnet makes the repulsive force between the magnetic column and the electromagnet greater than the elastic force of the compression spring, so that the pressure plate slides inside the air chamber to compress the gas, and the piston rod extends through the action of air pressure, thereby controlling whether the rack and gear mesh. Attached Figure Description

[0021] Figure 1 This is a perspective view of the external structure of the present invention; Figure 2 This is a perspective view of the internal structure of the grinding shell of the present invention; Figure 3 This is a perspective view of the internal structure of the ring of the present invention; Figure 4 This is a perspective view of the external structure of the track groove of the present invention; Figure 5 This is a three-dimensional view of the internal structure of the air cavity of the present invention; Figure 6 This is a three-dimensional view of the internal structure of the groove in this invention.

[0022] In the diagram: 1. Conveyor; 2. Rotary roller; 3. Clamping assembly; 31. Clamping plate; 32. Telescopic rod; 33. Groove; 34. Film; 35. Slide plate; 36. Slide rail; 37. Linear motor; 38. Rotary bar; 4. Slotting assembly; 41. Ring; 42. Slide groove; 43. Slide rod; 44. Lead screw; 45. Worm gear; 46. Drive unit; 461. Sliding sleeve; 462. Rail groove; 463. Rack; 464. Adjustment module; 4 641. Air chamber; 4642. Slide cylinder; 4643. Piston rod; 4644. Pressure plate; 4645. Magnetic column; 4646. Fixed rod; 4647. Compression spring; 465. Magnetic block; 466. Electromagnet; 47. Gear; 48. Worm gear; 5. Grinding shell; 6. Fixed sleeve; 7. Step block; 8. Bourdon tube; 9. Bracket; 10. Lifting rod; 11. Key shaft; 12. Servo motor; 13. Fixed base; 14. Compression sleeve; 15. Bolt. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Please see Figure 1-6 This invention provides a technical solution: a surface treatment device for preparing low-temperature concrete bricks. Example 1: Refer to the attached instruction manual Figure 1 Appendix Figure 2 ; The system includes a conveyor 1, with a processing mechanism on its exterior. This mechanism includes a rotating roller 2, whose outer surface is fitted with two closely fitting grinding shells 5. The grinding shells 5 have grinding grooves on their surfaces, which grind the concrete brick surface through rotation, making the surface smoother. Fixed sleeves 6 and step blocks 7 are respectively installed on both sides of the outer surface of the rotating roller 2. The bottom of the step block 7 has a sharpened edge corresponding to the inclined side, used for cutting protruding parts of the concrete brick surface. Preferably, the step block 7 can be replaced with a rotary cutting structure of an existing surface treatment device. A spring tube 8 is internally connected to the fixed sleeve 6, with one end of the spring tube 8 connected to a concrete slurry feeder. Preferably, another fixed sleeve 6 is installed outside the fixed sleeve 6, with a depth greater than that of the fixed sleeve 6 used for repair. This fixed sleeve 6 also has two spring tubes 8 internally connected for air circulation, enabling rapid drying and solidification of the repaired concrete slurry. A bracket 9 is fixedly connected to the outer surface of the conveyor 1, and the corresponding bracket of the step block 7... A laser scanning imaging device is installed on the surface of the frame 9 to automatically identify whether there are defects on the surface of the concrete brick. A lifting rod 10 is fixedly connected to the outer surface of the frame 9. The lifting rod 10 is made of hydraulic rod and is connected to the control circuit. One lifting rod 10 is fixedly connected to the outer surface of each side of the frame 9, and two lifting rods 10 are fixedly connected to the outer surface of the middle frame 9. The outer surfaces of the fixed sleeve 6 and the step block 7 are fixedly connected to the output end of the lifting rod 10. Key shafts 11 are fixedly connected to both sides of the outer surface of the roller 2. The key shafts 11 play a radial limiting role. A servo motor 12 is fixedly connected to one end of the key shaft 11. The servo motor 12 is connected to the control circuit wire. The outer surface of the servo motor 12 is fixedly connected to the output end of the lifting rod 10 through the fixed seat 13. Two fitting sleeves 14 are fitted on the outer surface of the key shaft 11. The cooperation between the sleeves 14 and the key shaft 11 improves the stability of the grinding shell 5 rotating synchronously with the roller 2. The sleeves 14 on both sides are fixedly connected by bolts 15. The outer surfaces of the sleeves 14 on both sides are fixedly connected to the outer surfaces of the two grinding shells 5 respectively.

[0025] In this embodiment, two grinding shells 5 are fitted onto the outside of the rotating roller 2, and the clamping sleeve 14 and the key shaft 11 are connected and fixed by bolts 15. At the same time, the concrete brick to be processed is placed on the conveyor 1 with the side facing upward. The concrete brick is moved by conveying. When the protruding part of the concrete brick surface is high, the lifting rod 10 on one side drives the step block 7 to descend and cut the part. Then the lifting rod 10 drives the grinding shell 5 to descend and grinds the concrete brick surface through the drive of the servo motor 12. When there are defects on the concrete brick surface, the lifting rod 10 drives the fixed sleeve 6 to descend and fit on the outside of the concrete brick. Then the external concrete slurry feeder pours it through the spring tube 8, and the fixed sleeve 6 acts as a mold, thereby realizing the repair function of the concrete brick surface.

[0026] Example 2: Based on Example 1, refer to the appendix of the instruction manual. Figure 1 Appendix Figure 6 ; A clamping assembly 3 is provided below the rotating roller 2. The clamping assembly 3 includes two clamping plates 31. When the two clamping plates 31 are closed, they form a Y-shape to guide the flow. The sharpness of the step block 7 ensures that its cutting force is less than the frictional force between the clamping plates 31 and the concrete brick. Telescopic rods 32 are fixedly connected to the outer surfaces of both clamping plates 31. The telescopic rods 32 are made of hydraulic rods and are connected to the control circuit. The outer surfaces of both telescopic rods 32 are fixedly connected to the outer surfaces of the bracket 9. Grooves 33 are provided on the outer surfaces of both clamping plates 31. A film 34 is provided inside the groove 33. 4. The device is clamped by contacting the concrete brick through movement / deformation. A slide plate 35 is slidably connected inside the groove 33. The outer surface of the slide plate 35 is fixedly connected to the outer surface of the film 34. A slide rail 36 is fixedly connected inside the groove 33. Two linear motors 37 are slidably connected to the outer surface of the slide rail 36. The linear motors 37 are electrically connected to the control circuit. By changing the distance difference between the two ends of the rotating bar 38 through movement, the slide plate 35 is driven to slide. The outer surfaces of the two linear motors 37 are rotatably connected to the rotating bar 38. One end of the two rotating bars 38 is rotatably connected to the outer surface of the slide plate 35.

[0027] In this embodiment, during surface treatment, the output end of the telescopic rod 32 extends and retracts to adjust the distance between the two clamping plates 31 to match the thickness or width of the concrete brick. When the concrete brick is being transported, it automatically guides the flow by contacting one end of the clamping plate 31. When the concrete brick needs to be clamped, the linear motor 37 slides along the slide rail 36 to adjust the distance between the two ends of the rotating bar 38, causing the rotating bar 38 to push the slide plate 35 to slide and causing the film 34 to move / deform synchronously, so that the film 34 protrudes outward and contacts the surface of the concrete brick, thereby clamping the concrete brick.

[0028] Example 3: Based on Example 2, refer to the appendix of the instruction manual. Figure 2 Appendix Figure 3 ; The main body of the rotating roller 2 is provided with a grooving assembly 4. Multiple sets of grooving assemblies 4 are arranged at equal intervals along the axis of the rotating roller 2. The grooving assembly 4 includes a ring 41. The outer surface of the ring 41 is fixedly connected to the inside of the rotating roller 2. The main body of the ring 41 has a through groove 42. The ring 41 and the groove 42 provide a range of motion and support. A sliding rod 43 is slidably connected inside the groove 42. One end of the sliding rod 43 is set into an arc shape with grinding texture and is adapted to the arc surface of the grinding shell 5. It extends to the outside of the grinding shell 5 through movement, so as to perform grooving treatment on the surface of the concrete brick. One end of the sliding rod 43 is slidably connected to the main body of the rotating roller 2 and the grinding shell 5 respectively and extends to the outside of the grinding shell 5. One end of the slide rod 43 is threadedly connected to a lead screw 44. The lead screw 44 drives the slide rod 43 to move axially and extend and retract through the threaded contact. One end of the lead screw 44 is mounted on the ring 41 through a support member. A worm gear 45 is rotatably connected inside the slide groove 42. A gear 47 is fixedly connected through the outer surface of the worm gear 45. The outer surface of the gear 47 is rotatably connected to the inside of the slide groove 42 and the inner ring of the ring 41. A worm wheel 48 meshes with the outer surface of the worm gear 45. The cooperation between the worm wheel 48 and the worm gear 45 not only plays a transmission role, but also improves the stability and force bearing capacity of the slide rod 43 through the combined self-locking function. The body of the worm wheel 48 is fixedly connected through the outer surface of the lead screw 44.

[0029] In this embodiment, gear 47 is driven to rotate worm 45. Through the meshing of worm 45 and worm wheel 48, worm wheel 48 drives screw 44 to rotate synchronously. Through the threaded connection between screw 44 and slide rod 43, slide rod 43 slides inside slide groove 42, and one end of slide rod 43 extends to the outside of grinding shell 5. Subsequently, roller 2 drives slide rod 43 to rotate synchronously through grinding shell 5 and ring 41. Through the contact between slide rod 43 and concrete brick, grooves are made on the surface of concrete brick, increasing the contact area and contact friction between the repair area and the concrete brick body, thereby improving the firmness of the repair area.

[0030] Example 4: Based on Example 3, refer to the appendix of the instruction manual. Figure 2 Appendix Figure 4 ; A drive unit 46 is externally mounted on the worm gear 45. The drive unit 46 includes a sliding sleeve 461. A rail groove 462 is fixedly connected inside the sliding sleeve 461. The rail groove 462 is made of a rectangular horizontal bar with transverse grooves, and its external dimensions are adapted to the internal dimensions of the sliding sleeve 461. The outer surface of the rail groove 462 is fixedly connected to the interior of the rotating roller 2. A rack 463 is externally mounted on the sliding sleeve 461. The rack 463 converts the kinetic energy of the sliding sleeve 461 into driving force through meshing with a gear 47. The outer surface of the rack 463 meshes with the outer surface of the gear 47. A magnetic block 465 is fixedly connected inside the sleeve 461. The magnetic block 465 is made of permanent magnet and provides power for the movement of the sliding sleeve 461 through magnetic force. The outer surface of the magnetic block 465 is slidably connected to the inside of the rail groove 462. Electromagnets 466 are provided on both sides inside the rail groove 462. The electromagnets 466 are electrically connected to the control circuit. The electromagnets 466 on both sides drive the sliding sleeve 461 to reciprocate by adjusting the relationship between the magnetic repulsion force between them and the magnetic block 465. The magnetic block 465 slides inside the rail groove 462 through the magnetic action with the electromagnets 466.

[0031] In this embodiment, when it is necessary to control the movement of the sliding sleeve 461, both electromagnets 466 on both sides are energized and magnetized, and the magnetic repulsion between them and the magnetic block 465 is greater than that of the magnetic block 465. This causes the magnetic block 465 to drive the sliding sleeve 461 to slide from the side with greater magnetic repulsion to the side with less magnetic repulsion, causing the rack 463 to follow the movement. During the movement, the rack 463 meshes with the gear 47, driving the gear 47 to drive the worm 45 to rotate. At the same time, when the sliding sleeve 461 moves in the opposite direction, it can drive the sliding rod 43 to reset. By driving in this way, multiple sets of sliding rods 43 in the axial direction can be driven separately.

[0032] Example 5: Based on Example 4, refer to the appendix of the instruction manual. Figure 4 Appendix Figure 5 ; An adjustment module 464 is externally provided on the rack 463. The adjustment module 464 includes an air chamber 4641 filled with high-pressure gas. The air chamber 4641 is located on the body of the sliding sleeve 461. A sliding cylinder 4642 is connected through the air chamber 4641. A piston rod 4643 is slidably connected inside the sliding cylinder 4642. The piston rod 4643 drives the rack 463 to adjust its position through the action of high-pressure gas, thereby controlling whether the rack 463 is in contact, thus controlling the movement distance of the sliding rod 43. One end of the piston rod 4643 is slidably connected through the body of the sliding cylinder 4642, and the other end is fixedly connected to the outer surface of the rack 463. Two pressure plates 4644 are slidably connected inside the air chamber 4641. The pressure plates 4644 are made of a pressure-resistant, wear-resistant, and well-sealing sealing material. Magnetic pillars 4645 are fixedly connected to the outer surface of each of the 644 plates. The magnetic pillars 4645 are made of permanent magnets and are used to drive the pressure plate 4644 to compress air by magnetic repulsion with the electromagnet 466. One end of each of the two magnetic pillars 4645 is slidably connected to the body of the sliding sleeve 461. A fixed rod 4646 is fixedly connected inside the air cavity 4641. The fixed rod 4646 guides the movement of the pressure plate 4644 and improves the stress stability of the pressure plate 4644. The outer surface of the fixed rod 4646 is slidably connected to the body of each of the two pressure plates 4644. A compression spring 4647 is sleeved on the outer surface of the fixed rod 4646. The compression spring 4647 can act as a damper, which can maintain the stability of the pressure plate 4644 and realize the reset of the pressure plate 4644. The two ends of the compression spring 4647 are fixedly connected to the outer surface of each of the two pressure plates 4644.

[0033] In this embodiment, when rack 463 position adjustment is not required, the repulsive force between electromagnet 466 and magnetic column 4645 is less than the elastic force of compression spring 4647 and air pressure. When rack 463 position adjustment is required, the magnetic force of electromagnet 466 is increased, which increases the repulsive force on magnetic column 4645, thereby pushing pressure plate 4644 to slide into air cavity 4641, thereby compressing the air inside air cavity 4641, increasing the air pressure inside slide cylinder 4642, and pushing piston rod 4643 to drive rack 463 to slide, so that rack 463 is in a radial position in contact with gear 47. Thus, when slide sleeve 461 moves, rack 463 and gear 47 come into contact, thereby driving lead screw 44 to rotate. By controlling the contact time between rack 463 and gear 47, the movement distance of slide rod 43 is controlled to control the depth of slotting.

[0034] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0035] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A surface treatment apparatus for preparing low-temperature concrete bricks, comprising a conveyor (1), characterized in that: The processing mechanism includes a rotating roller (2), on the outer surface of which two closely fitting grinding shells (5) are fitted. The surface of the grinding shells (5) is provided with grinding marks. On the two sides of the outside of the rotating roller (2), a fixed sleeve (6) and a step block (7) are respectively provided. A spring tube (8) is connected through the inside of the fixed sleeve (6). The step block (7) and the grinding shell (5) are used to remove the protruding parts on the surface of the concrete brick. The spring tube (8) and the fixed sleeve (6) are used to repair the depressions on the surface of the concrete brick. Clamping assembly (3), which is disposed above the conveyor (1), is used for guiding and clamping the concrete bricks. The grooving assembly (4) includes a ring (41), the outer surface of which is fixedly connected to the inside of the rotating roller (2). The body of the ring (41) has a through groove (42), and a sliding rod (43) is slidably connected inside the groove (42). One end of the sliding rod (43) is slidably connected to the rotating roller (2) and the body of the grinding shell (5) and extends to the outside of the grinding shell (5). The sliding rod (43) performs grooving on the surface of the concrete brick by sliding out and rotating with the rotating roller (2).

2. The surface treatment device for preparing low-temperature concrete bricks according to claim 1, characterized in that: The outer surface of the conveyor (1) is fixedly connected to a bracket (9), and the outer surface of the bracket (9) is fixedly connected to a lifting rod (10). The outer surfaces of the fixed sleeve (6) and the step block (7) are both fixedly connected to the output end of the lifting rod (10).

3. The surface treatment device for preparing low-temperature concrete bricks according to claim 2, characterized in that: Both sides of the outer surface of the roller (2) are fixedly connected to key shafts (11). One end of the key shaft (11) is fixedly connected to a servo motor (12). The outer surface of the servo motor (12) is fixedly connected to the output end of the lifting rod (10) through a fixed base (13). The outer surface of the key shaft (11) is fitted with two fitting sleeves (14). The sleeves (14) on both sides are fixedly connected by bolts (15). The outer surfaces of the sleeves (14) on both sides are fixedly connected to the outer surfaces of the two grinding shells (5) respectively.

4. The surface treatment device for preparing low-temperature concrete bricks according to claim 1, characterized in that: The clamping assembly (3) includes two clamping plates (31). The outer surfaces of the two clamping plates (31) are fixedly connected with telescopic rods (32). The outer surfaces of the telescopic rods (32) on both sides are fixedly connected through the outer surface of the bracket (9). The outer surfaces of the clamping plates (31) on both sides are provided with grooves (33). The inside of the grooves (33) is provided with films (34).

5. The surface treatment apparatus for preparing low-temperature concrete bricks according to claim 4, characterized in that: A slide plate (35) is slidably connected inside the groove (33). The outer surface of the slide plate (35) is fixedly connected to the outer surface of the film (34). A slide rail (36) is fixedly connected inside the groove (33). Two linear motors (37) are slidably connected to the outer surface of the slide rail (36). Rotary bars (38) are rotatably connected to the outer surfaces of the two linear motors (37). One end of each of the two rotary bars (38) is rotatably connected to the outer surface of the slide plate (35).

6. The surface treatment device for preparing low-temperature concrete bricks according to claim 1, characterized in that: One end of the slide rod (43) is threadedly connected to a lead screw (44). The outer surface of the lead screw (44) is rotatably connected to the inside of the slide groove (42). The inside of the slide groove (42) is rotatably connected to a worm (45). The outer surface of the worm (45) is fixedly connected to a gear (47). The outer surface of the gear (47) is rotatably connected to the inside of the slide groove (42) and the inner ring of the ring (41). The outer surface of the worm (45) is meshed with a worm wheel (48). The body of the worm wheel (48) is fixedly connected to the outer surface of the lead screw (44).

7. The surface treatment apparatus for preparing low-temperature concrete bricks according to claim 6, characterized in that: The worm (45) is provided with a drive unit (46) on its outside. The drive unit (46) includes a sliding sleeve (461). A rail groove (462) is fixedly connected inside the sliding sleeve (461). The outer surface of the rail groove (462) is fixedly connected to the inside of the rotating roller (2). A rack (463) is provided outside the sliding sleeve (461). The outer surface of the rack (463) meshes with the outer surface of the gear (47).

8. The surface treatment apparatus for preparing low-temperature concrete bricks according to claim 7, characterized in that: A magnetic block (465) is fixedly connected inside the sliding sleeve (461). The outer surface of the magnetic block (465) is slidably connected to the inside of the rail groove (462). Electromagnets (466) are provided on both sides inside the rail groove (462). The magnetic block (465) slides inside the rail groove (462) by magnetic interaction with the electromagnets (466).

9. The surface treatment apparatus for preparing low-temperature concrete bricks according to claim 7, characterized in that: An adjustment module (464) is provided on the outside of the rack (463). The adjustment module (464) includes an air chamber (4641). The air chamber (4641) is opened on the body of the sliding sleeve (461). A sliding cylinder (4642) is connected through the air chamber (4641). A piston rod (4643) is slidably connected inside the sliding cylinder (4642). One end of the piston rod (4643) is slidably connected through the body of the sliding cylinder (4642). One end of the piston rod (4643) is fixedly connected to the outer surface of the rack (463). Two pressure plates (4644) are slidably connected inside the air chamber (4641). Magnetic columns (4645) are fixedly connected to the outer surfaces of the two pressure plates (4644). One end of each of the two magnetic columns (4645) is slidably connected through the body of the sliding sleeve (461).

10. The surface treatment apparatus for preparing low-temperature concrete bricks according to claim 9, characterized in that: A fixed rod (4646) is fixedly connected inside the air chamber (4641). The outer surface of the fixed rod (4646) is slidably connected through the bodies of the two pressure plates (4644). A compression spring (4647) is sleeved on the outer surface of the fixed rod (4646). The two ends of the compression spring (4647) are fixedly connected to the outer surfaces of the two pressure plates (4644).

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