Pattern pressing device for pavement brick production

Abstract

The utility model relates to the technical field of pavement brick production, in particular to a pattern pressing device for pavement brick production. Comprising a base, vertical rods are fixedly arranged at the positions, close to the four corners, of the upper side wall of the base, and a top plate is fixedly arranged at the upper ends of the four vertical rods. According to the utility model, after patterns are pressed on the corresponding concrete bricks by the bumps, the lifting plate is driven by the electric telescopic rod to move upwards and reset, and after the end plate is in contact with the lower side wall of the top plate, the grating plate moves downwards relative to the bumps, and concrete adhered in gaps among the bumps is scraped by the downwards-moving grating plate, so that the concrete bricks are scraped. When the lower side wall of the grating plate and the lower side wall of the protruding block are located on the same plane, concrete adhering to the grating plate and the lower side wall of the protruding block is gathered on the same plane, at the moment, the concrete adhering to the protruding block and the grating plate can be cleaned in a centralized mode through the cleaning mechanism, and the cleaning quality of the concrete adhering to the protruding block is improved; and the quality of patterns pressed on the concrete bricks by the convex blocks is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to road brick production technical field, concretely relates to a pattern pressing device for road brick production. BACKGROUND

[0002] The road brick is usually made of concrete, has solid structure and compression resistance, can bear the heavy pressure of the pedestrian, is not easy to break or deform, the pressing processing of the concrete road brick is the processing of the concrete raw material through the mold under certain pressure, and the road brick with specific shape is made, the pressing equipment of the existing road brick has concrete residues more or less on the bottom of the pressing mold after multiple pressing processing, has certain shaping influence on the later concrete pressing, especially for the road brick with the brick surface needing to be pressed to have the pattern, the residues adhered on the surface of the pressing mold influence the pressing effect of the pattern.

[0003] The utility model with publication number CN221416945U provides a kind of concrete road brick processing device, by the cleaning of upper pressing mold bottom, it is helpful to the pattern of the top of brick surface after road brick pressing, present effect is better, solve the pressing processing mechanism of the road brick needing to be pressed pattern, because there is no cleaning maintenance mechanism to the surface of pressing mold, leading to the residues of concrete or foreign matter adhered on the bottom of pressing mold, leading to the pattern of road brick pressing molding is influenced.

[0004] However, there are multiple narrow and deep grooves on the upper pressing mold in the above-mentioned patent. When the upper pressing mold presses the pattern on the concrete brick, the deep part of the inner wall of the groove is easy to adhere to the concrete. Part of the concrete particles is also easy to be stuck in the groove. The bristles of the roller brush are difficult to enter the inside of the groove to completely clean out the remaining concrete. When the upper pressing mold stamps the concrete brick, the upper pressing mold will be blocked by the remaining concrete, which will reduce the quality of the pattern pressed on the concrete brick by the upper pressing mold. SUMMARY

[0005] The utility model aims at providing a pattern pressing device for road brick production to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides a pattern pressing device for road brick production, including the base, the base upper side wall near the position of four corners is fixedly provided with the stand, the upper end of four stand is fixedly provided with the top plate, the upper side wall of top plate is fixedly installed with the cylinder, the lower end of cylinder piston rod is slid through the top plate and is provided with the baffle assembly, the baffle assembly includes the lifter fixed in the lower end of cylinder piston rod, the lifter is slid and is set on four stand, the lower side wall of lifter is fixedly provided with the base plate, the lower side wall of base plate is fixedly provided with a plurality of protruding pieces, and the lower side of base plate is provided with the grating plate, a plurality of through slots are formed in the grating plate, a plurality of through slots are slid and are set on a plurality of protruding pieces respectively, and both sides of grating plate are fixedly connected with two side ears, the upper side wall of side ear is fixedly connected with the slide rod, the upper end of slide rod is slid through the lifter and is fixed with the end plate, the spring is set on the slide rod between the lower side wall of end plate and the upper side wall of lifter, the spring pushes away the end plate from the lifter, one side of lifter is provided with the cleaning mechanism, and the cleaning mechanism is used for cleaning the concrete adhered to the lower side wall of grating plate and protruding piece.

[0007] As a further improvement of the technical solution, the cleaning mechanism includes a C-shaped bracket fixed between the base and the top plate near one side, an electric telescopic rod is fixedly installed on the side of the C-shaped bracket away from the base, one end of the piston rod of the electric telescopic rod is slid through one side of the C-shaped bracket and is provided with a collection box, a connecting assembly is provided on the collection box, and the connecting assembly is used to fixedly connect the collection box and the piston rod of the electric telescopic rod.

[0008] As a further improvement of the technical solution, the cleaning mechanism further includes a brush roller rotatably arranged on the upper side wall of the collection box, one end of the brush roller is fixedly provided with a motor for driving the brush roller to rotate, and the motor is fixedly installed on the collection box. When the lower side wall of the grating plate and the lower side wall of the protruding piece are located on the same plane, the collection box moves to the lower side of the lifter, and the brush roller is in contact with the lower side walls of the grating plate and the protruding piece.

[0009] As a further improvement of the technical solution, the connecting assembly includes a butt joint column fixed on one side of the collection box close to the C-shaped bracket, the butt joint column and the axis of the piston rod of the electric telescopic rod are on the same straight line, a tilted T-shaped groove is formed in one end of the butt joint column and the piston rod of the electric telescopic rod close to each other, the T-shaped grooves on one end of the butt joint column and the piston rod of the electric telescopic rod close to each other form an H-shaped groove, and an I-beam is slidably arranged in the H-shaped groove.

[0010] As a further improvement of the technical solution, the connecting assembly further comprises two pre-positioning rods symmetrically fixed on the side of the collecting box close to the C-shaped frame, a blocking ring is coaxially fixed on the pre-positioning rod, two insertion holes are formed on one side of the C-shaped frame, the two pre-positioning rods are movably inserted into the two insertion holes respectively, the blocking ring is in contact with the side of the C-shaped frame close to the collecting box, a I-shaped groove is formed on the side wall of the pre-positioning rod, the I-shaped groove is located between the blocking ring and the collecting box, and the I-shaped steel is slidably arranged in the two I-shaped grooves close to the two ends.

[0011] As a further improvement of the technical solution, the top plate is fixedly provided with a pressure sensor, the pressure sensor is located on the upper side of one of the end plates, and the bottom surface of the pressure sensor is on the same plane as the lower side wall of the top plate, and when the lifting plate moves upward, the top end of one of the end plates is in contact with the bottom of the pressure sensor.

[0012] As a further improvement of the technical solution, the upper side wall of the base is provided with a placing disc, a plurality of shaped cavities are formed in the upper side wall of the placing disc, the positions of the plurality of shaped cavities correspond to the positions of the plurality of protrusions one by one, the upper side wall of the base is fixedly provided with a U-shaped frame, and the side wall of the placing disc is in contact with the inner wall of the U-shaped frame.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1、The pattern pressing device for road brick production, after the protrusions press the corresponding concrete bricks to form patterns, the lifting plate is driven by the electric telescopic rod to move upward and reset, the lifting plate moves upward, and after the end plate contacts the lower side wall of the top plate, the grid plate moves downward relative to the protrusions, the concrete adhered to the gaps between the plurality of protrusions is scraped off by the downward moving grid plate, the concrete between the protrusions is removed, the concrete between the protrusions is prevented from blocking the protrusions from moving downward to stamp the concrete bricks, and when the lower side wall of the grid plate and the lower side wall of the protrusions are on the same plane, the concrete adhered to the lower side walls of the grid plate and the protrusions is gathered on the same plane, the concrete adhered to the protrusions and the grid plate can be concentratedly cleaned by the cleaning mechanism, the cleaning quality of the concrete adhered to the protrusions is improved, and the quality of the patterns pressed on the concrete bricks by the protrusions is ensured.

[0015] 2、The pattern pressing device for road brick production, when the rotating brush roller cleans the concrete adhered to the lower wall of the grid plate and the protruding block, the concrete brushed off by the brush roller can be collected by the collection box, so that the amount of concrete debris falling on the base is reduced, the cleaning pressure of the operator on the base is reduced, then the I-shaped steel is pulled out from the H-shaped groove composed of the butt joint column and the piston rod of the electric telescopic rod, the collection box and the C-shaped frame are separated, so that the concrete in the collection box is poured out, the situation that the collection box is full of debris and falls is prevented, the debris receiving capacity of the device is improved, and the normal printing of the road brick is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a sectional view of the whole structure of the utility model;

[0018] Figure 3 It is a structure schematic view of the pressing plate assembly of the utility model;

[0019] Figure 4 It is an explosion drawing of the pressing plate assembly of the utility model;

[0020] Figure 5 It is a structure schematic view of the cleaning mechanism of the utility model;

[0021] Figure 6 It is an explosion drawing of the cleaning mechanism of the utility model;

[0022] Figure 7 It is a part structure schematic view of the cleaning mechanism of the utility model;

[0023] Figure 8 It is a part structure explosion drawing of the cleaning mechanism of the utility model.

[0024] The meanings of various reference numerals in the drawing are as follows:

[0025] 1, base; 11, U-shaped frame; 12, placing disc; 13, forming cavity;

[0026] 2, vertical rod;

[0027] 3, top plate; 31, air cylinder; 32, pressure sensor;

[0028] 4, pressing plate assembly; 41, lifting plate; 42, base plate; 43, protruding block; 44, grid plate; 45, side ear; 46, sliding rod; 47, end plate; 48, spring;

[0029] 5, cleaning mechanism; 51, C-shaped frame; 511, jack; 52, electric telescopic rod; 53, collection box; 54, brush roller; 55, connecting assembly; 551, pre-positioning rod; 552, blocking ring; 553, I-beam; 554, I-shaped groove; 555, butt joint column; 56, motor. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0031] Please refer to Figures 1-8The embodiment shown, one of the purposes is to provide a pattern pressing device for pavement brick production, including the base 1, the upper side wall of the base 1 is provided with a placing disc 12, the upper side wall of the placing disc 12 is provided with a plurality of forming cavities 13, the inside of the forming cavity 13 is used for placing the not completely solidified concrete brick, the upper side wall of the base 1 near the four corners is fixedly provided with a vertical rod 2, the vertical rod 2 is vertically arranged, the upper end of the four vertical rods 2 is fixedly provided with a top plate 3, the base 1 and the top plate 3 form a working space for pressing pavement bricks, the upper side wall of the top plate 3 is fixedly installed with a cylinder 31, the cylinder 31 is installed at the middle position of the upper side wall of the top plate 3, the lower end of the piston rod of the cylinder 31 is slidably penetrated through the top plate 3 and is provided with a pressing plate assembly 4, the pressing plate assembly 4 is used for pressing pavement bricks, the pressing plate assembly 4 includes a lifting plate 41 fixed at the lower end of the piston rod of the cylinder 31, the lifting plate 41 is vertically moved up and down when the piston rod of the cylinder 31 is retracted and expanded, the lifting plate 41 is slidably sleeved on the four vertical rods 2, the four vertical rods 2 guide the moving lifting plate 41 to ensure the stability of the lifting plate 41 during vertical movement, the lower side wall of the lifting plate 41 is fixedly provided with a base plate 42, the lower side wall of the base plate 42 is fixedly provided with a plurality of protrusions 43, the lower side wall of the protrusion 43 is provided with a pattern, and at the same time, the upper side wall of the base 1 is fixedly provided with a U-shaped frame 11, the side wall of the placing disc 12 is in contact with the inner wall of the U-shaped frame 11, that is, the placing disc 12 is placed in the U-shaped frame 11, the U-shaped frame 11 limits the position of the placing disc 12 on the base 1, and the positions of the plurality of forming cavities 13 and the plurality of protrusions 43 are one-to-one corresponding, when the piston rod of the cylinder 31 is extended to drive the lifting plate 41 to move vertically downward, the lifting plate 41 drives the base plate 42 and the protrusion 43 to move synchronously, so that the plurality of protrusions 43 move into the corresponding forming cavities 13 to press the concrete bricks, in the process of pressing the concrete bricks by the protrusions 43, the patterns on the protrusions 43 will press the predetermined patterns on the concrete bricks, and the plurality of protrusions 43 are used for uniformly pressing the patterns of the plurality of concrete bricks, thereby improving the efficiency of producing concrete bricks with patterns.

[0032] When the several convex blocks 43 are pressed on the corresponding concrete bricks to imprint the patterns, the operator controls the piston rod of the cylinder 31 to retract, so that the piston rod drives the lifting plate 41 to move upward. During the movement of the lifting plate 41, the convex blocks 43 are removed from the forming cavity 13. After the convex blocks 43 are removed from the forming cavity 13, the placing plate 12 is pulled out from the U-shaped frame 11. Then, the placing plate 12 of the concrete bricks without the pressed patterns is placed in the U-shaped frame 11. Then, the above steps are repeated to obtain the concrete bricks with the patterns. However, after the convex blocks 43 with the pressed patterns are removed from the forming cavity 13, some concrete is easily left on the convex blocks 43. In addition, there are narrow and deep gaps between the several convex blocks 43, and the gaps also easily adhere to the concrete. The convex blocks 43 with the adhered concrete will damage the integrity of the patterns when the convex blocks 43 are pressed on the concrete bricks to imprint the patterns, and the quality of the produced road bricks with the patterns is reduced.

[0033] To solve the above problems, the lower side of the substrate 42 is provided with a grid plate 44, a plurality of through slots are formed on the grid plate 44, a plurality of through slots are respectively sleeved on a plurality of protrusions 43, that is, the part of the grid plate 44 except the through slots is arranged around the protrusions 43, and the grid plate 44 is arranged in the gap between the protrusions 43, and two side ears 45 are symmetrically and fixedly connected on both sides of the grid plate 44, the upper side wall of the side ear 45 is fixedly connected with a slide rod 46, the upper end of the slide rod 46 is slidably penetrated through the lifting plate 41 and fixedly connected with an end plate 47, the lower side wall of the end plate 47 and the upper side wall of the lifting plate 41 are provided with a spring 48 sleeved on the slide rod 46, the spring 48 pushes the end plate 47 away from the lifting plate 41, so that the grid plate 44 can stably contact with the substrate 42, and the stability of the grid plate 44 on the protrusions 43 is also ensured. When the lifting plate 41 moves upward, the upper side wall of the grid plate 44 contacts with the lower side wall of the substrate 42, at this time, the grid plate 44 is located at the uppermost side of the gap between the protrusions 43, that is, the position closest to the substrate 42 of the protrusions 43, when the lifting plate 41 continues to move upward, the protrusions 43 are removed from the corresponding forming cavity 13, and the concrete adhered in the gap is located below the grid plate 44, when the top end of one of the end plates 47 contacts with the lower side wall of the top plate 3, the top plate 3 limits the end plate 47 to continue to move upward, and the lifting plate 41 is driven by the piston rod of the air cylinder 31 to continue to move upward, at this time, the relative movement between the end plate 47 and the lifting plate 41 occurs, when the lifting plate 41 and the protrusions 43 continue to move upward, the end plate 47, the slide rod 46 and the grid plate 44 remain stationary, so that the grid plate 44 moves downward relative to the protrusions 43, the moving grid plate 44 scrapes off the concrete adhered in the gap, and the concrete scraped off by the grid plate 44 adheres to the lower side wall of the grid plate 44, after the protrusions 43 come out of the forming cavity 13, the operator pulls out the placing disc 12 from the U-shaped frame 11, the concrete scraped off by the grid plate 44 falls onto the U-shaped frame 11, and the worker cleans up the concrete falling into the U-shaped frame 11, when the lower side wall of the grid plate 44 and the lower side wall of the protrusions 43 are located on the same plane, the lifting plate 41 and the protrusions 43 stop moving, at this time, the concrete adhered to the lower side walls of the grid plate 44 and the protrusions 43 is gathered on the same plane, so that the concrete is convenient to be concentrated and cleaned up.

[0034] When the operator scrapes the concrete adhered to the lower side walls of the grid plate 44 and the protrusion 43, the scraped concrete will fall onto the base 1. When the concrete on the base 1 accumulates too much, the concrete bricks with embossed patterns cannot be placed stably on the base 1, which causes the quality of the embossed patterns of the bricks to decrease. To avoid the concrete on the base 1 affecting the pressing work of the brick patterns, the operator needs to clean the concrete on the base 1. The concrete on the base 1 accumulates too fast, which increases the frequency of the operator cleaning the concrete and increases the cleaning pressure of the operator. To solve this problem, a cleaning mechanism 5 is arranged on one side of the lifting plate 41. The cleaning mechanism 5 is used to clean the concrete adhered to the lower side walls of the grid plate 44 and the protrusion 43, and simultaneously collects and processes the concrete on the protrusion 43 and the grid plate 44, thereby reducing the amount of concrete falling onto the base 1.

[0035] The structure of the cleaning mechanism 5 is described below. Referring to Figure 5 , the cleaning mechanism 5 includes a C-shaped frame 51 fixed between the base 1 and the top plate 3 near one side. An electric telescopic rod 52 is fixedly installed on the side of the C-shaped frame 51 away from the base 1. The electric telescopic rod 52 is arranged horizontally. One end of the piston rod of the electric telescopic rod 52 slides through one side of the C-shaped frame 51 and is provided with a collection box 53. A connecting assembly 55 is arranged on the collection box 53. The connecting assembly 55 is used to fixedly connect the collection box 53 and the piston rod of the electric telescopic rod 52. When the piston rod of the electric telescopic rod 52 is retracted, the piston rod of the electric telescopic rod 52 can drive the collection box 53 to move horizontally. The cleaning mechanism 5 also includes a brush roller 54 rotatably arranged on the upper side wall of the collection box 53. One end of the brush roller 54 is fixedly connected with a motor 56 used to drive the brush roller 54 to rotate. The motor 56 is fixedly installed on the collection box 53. When the lower side walls of the grid plate 44 and the protrusion 43 are located on the same plane, the grid plate 44 is higher than the brush roller 54. The piston rod of the electric telescopic rod 52 is extended to drive the collection box 53 to move away from the C-shaped frame 51. When the collection box 53 moves to the lower side of the lifting plate 41, the brush roller 54 contacts the lower side walls of the grid plate 44 and the protrusion 43. Then the output shaft of the motor 56 drives the brush roller 54 to rotate slowly. The rotating brush roller 54 brushes off the concrete adhered to the lower side walls of the grid plate 44 and the protrusion 43. The concrete brushed off by the brush roller 54 falls into the collection box 53 for centralized cleaning, thereby reducing the amount of concrete falling onto the base 1 and reducing the cleaning pressure of the operator on the base 1. When the electric telescopic rod 52 drives the rotating brush roller 54 to move back and forth on the lower side of the grid plate 44 once, the brush roller 54 fully contacts the lower side walls of the grid plate 44 and the protrusion 43. Then the brush roller 54 can completely clean the concrete adhered to the lower side walls of the grid plate 44 and the protrusion 43, thereby ensuring the quality of the embossed patterns of the protrusion 43 on the concrete bricks.

[0036] Meanwhile, the pressure sensor 32 is fixedly installed on the top plate 3, the pressure sensor 32 is located on the upper side of one of the end plates 47, and the bottom surface of the pressure sensor 32 is in the same plane as the lower side wall of the top plate 3, the electric telescopic rod 52 and the motor 56 are electrically connected with the pressure sensor 32, when the lifting plate 41 moves upward, the top end of one of the end plates 47 contacts the lower side wall of the top plate 3, and the top end of the other end plate 47 contacts the bottom of the pressure sensor 32, the end plate 47 applies pressure to the pressure sensor 32, when the lifting plate 41 moves upward and the spring 48 continuously elastically contracts, the rebound force of the spring 48 increases the pressure of the end plate 47 on the pressure sensor 32, when the lower side wall of the grid plate 44 and the lower side wall of the protrusion 43 are in the same plane, the pressure applied by the end plate 47 to the pressure sensor 32 reaches a preset value, at this time, the pressure sensor 32 sends an electrical signal to the electric telescopic rod 52 and the motor 56 to control the electric telescopic rod 52 and the motor 56 to start, so that the cleaning mechanism 5 cleans the concrete on the lower side wall of the grid plate 44 and the protrusion 43, without the need for the operator to manually start the electric telescopic rod 52 and the motor 56, which saves the labor of the operator and shortens the time required for cleaning the concrete, and improves the cleaning efficiency of the cleaning mechanism 5 on the residual concrete.

[0037] The structure of the connecting assembly 55 is refined as follows, with reference to Figures 6-8The connecting assembly 55 includes a docking post 555 fixed to the side of the collection box 53 near the C-frame 51. The axis of the docking post 555 is on the same straight line as the piston rod of the electric telescopic rod 52. Both the docking post 555 and the piston rod of the electric telescopic rod 52 have tilting T-slots at their adjacent ends, and these T-slots form an H-slot. An I-beam 553 is slidably installed inside the H-slot, restricting the separation of the two T-slots and thus fixing the docking post 555 and the piston rod of the electric telescopic rod 52 together. This allows the piston rod of the electric telescopic rod 52 to drive the collection box 53 to move laterally. The connecting assembly 55 also includes two pre-positioning rods 551 symmetrically fixed to the side of the collection box 53 near the C-frame 51. The side walls of the pre-positioning rods 551 have... There is an I-shaped groove 554, which is located between the retaining ring 552 and the collection box 53. The I-beam 553 is slidably installed inside the two I-shaped grooves 554 near both ends. The two I-shaped grooves 554 support the I-beam 553 and prevent it from bending. When the cleaning mechanism 5 is idle and the operator needs to clean the concrete inside the collection box 53, the operator holds one end of the I-beam 553 and pulls it out of the H-shaped groove. This separates the piston rod of the connecting column 555 and the electric telescopic rod 52, and removes the collection box 53 from the C-shaped frame 51. This makes it easy to pour out the concrete inside the collection box 53, preventing the collection box 53 from being overfilled and falling out. This improves the device's ability to receive concrete debris and ensures the normal printing of paving bricks.

[0038] To facilitate the operator in re-fixing the collection box 53 to the piston rod of the electric telescopic rod 52, a retaining ring 552 is coaxially fixed on the pre-positioning rod 551. Two insertion holes 511 are opened on one side of the C-shaped frame 51. When the piston rod of the electric telescopic rod 52 is retracted to its shortest state, the operator inserts the two pre-positioning rods 551 into the two insertion holes 511 respectively until the retaining ring 552 contacts the side of the C-shaped frame 51 near the collection box 53, thus completing the pre-fixing of the collection box 53. At this time, the T-slot on the docking post 555 and the T-slot on the piston rod of the electric telescopic rod 52 accurately form an H-shaped groove. The operator inserts the I-beam 553 into the H-shaped groove again to fix the collection box 53 to the piston rod of the electric telescopic rod 52 again.

[0039] The device collects the concrete brushed off by the brush roller 54 by setting up a collection box 53, which reduces the amount of concrete debris falling from the protrusion 43 onto the base 1, thereby slowing down the accumulation rate of concrete debris on the base 1 and reducing the frequency of cleaning concrete debris on the base 1 by the operator, thus reducing the pressure on the operator to clean concrete debris.

[0040] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A pattern pressing device for pavement brick production comprising a base (1), characterized in that: The bottom (1) upper side wall near the position of the four corners is fixedly provided with a vertical rod (2), the upper end of the four vertical rods (2) is fixedly provided with a top plate (3), the upper side wall of the top plate (3) is fixedly installed with a gas cylinder (31), the lower end of the piston rod of the gas cylinder (31) is slidably penetrated through the top plate (3) and is provided with a pressing plate assembly (4), the pressing plate assembly (4) comprises a lifting plate (41) fixed at the lower end of the piston rod of the gas cylinder (31), the lifting plate (41) is slidably sleeved on the four vertical rods (2), the lower side wall of the lifting plate (41) is fixedly provided with a base plate (42), the lower side wall of the base plate (42) is fixedly provided with a plurality of protrusions (43), and the lower side of the base plate (42) is provided with a grating plate (44), a plurality of through grooves are formed in the grating plate (44), a plurality of through grooves are slidably sleeved on a plurality of protrusions (43), and the two sides of the grating plate (44) are symmetrically and fixedly connected with two side ears (45), the upper side wall of the side ear (45) is fixedly connected with a sliding rod (46), the upper end of the sliding rod (46) is slidably penetrated through the lifting plate (41) and is fixedly provided with an end plate (47), the spring (48) is arranged on the sliding rod (46) between the lower side wall of the end plate (47) and the upper side wall of the lifting plate (41), the spring (48) pushes the end plate (47) away from the lifting plate (41), one side of the lifting plate (41) is provided with a cleaning mechanism (5), and the cleaning mechanism (5) is used for cleaning the concrete adhered to the lower side wall of the grating plate (44) and the protrusion (43).

2. The pattern pressing device for the pavement block production according to claim 1, characterized in that: The cleaning mechanism (5) comprises a C-shaped frame (51) fixed between the bottom (1) and the top plate (3) near one side, the side of the C-shaped frame (51) away from the bottom (1) is fixedly installed with an electric telescopic rod (52), one end of the piston rod of the electric telescopic rod (52) is slidably penetrated through one side of the C-shaped frame (51) and is provided with a collecting box (53), the collecting box (53) is provided with a connecting assembly (55), and the connecting assembly (55) is used for fixedly connecting the collecting box (53) and the piston rod of the electric telescopic rod (52).

3. The pattern pressing device for the pavement block production according to claim 2, characterized in that: The cleaning mechanism (5) further comprises a brush roller (54) rotatably arranged on the upper side wall of the collecting box (53), one end of the brush roller (54) is fixedly provided with a motor (56) for driving the brush roller (54) to rotate, the motor (56) is fixedly installed on the collecting box (53), when the lower side wall of the grating plate (44) and the lower side wall of the protrusion (43) are located on the same plane, the collecting box (53) moves to the lower side of the lifting plate (41), and the brush roller (54) is in contact with the lower side wall of the grating plate (44) and the protrusion (43).

4. The pattern pressing device for the pavement tile production according to claim 2, characterized in that: The connecting assembly (55) comprises a butt joint column (555) fixed on the collecting box (53) near the side of the C-shaped frame (51), the butt joint column (555) is coaxial with the axis of the piston rod of the electric telescopic rod (52), the end of the butt joint column (555) and the piston rod of the electric telescopic rod (52) close to each other is provided with a tilted T-shaped groove, and the T-shaped grooves on the end of the butt joint column (555) and the piston rod of the electric telescopic rod (52) close to each other form an H-shaped groove, and the H-shaped groove is slidably provided with an I-shaped steel (553).

5. The pattern pressing device for the pavement block production according to claim 4, characterized in that: The connecting assembly (55) further comprises two pre-positioning rods (551) symmetrically fixed on the collecting box (53) near the side of the C-shaped frame (51), coaxially fixed with a blocking ring (552) on the pre-positioning rod (551), and two insertion holes (511) are formed on the side of the C-shaped frame (51), the two pre-positioning rods (551) are movably inserted into the two insertion holes (511) respectively, the blocking ring (552) is in contact with the side of the C-shaped frame (51) close to the collecting box (53), a I-shaped groove (554) is formed on the side wall of the pre-positioning rod (551), the I-shaped groove (554) is located between the blocking ring (552) and the collecting box (53), and the I-shaped steel (553) is slidably arranged in the two I-shaped grooves (554) close to the two ends.

6. The pattern pressing device for the pavement tile production according to claim 1, characterized in that: The top plate (3) is fixedly provided with a pressure sensor (32), the pressure sensor (32) is located on the upper side of one of the end plates (47), and the bottom surface of the pressure sensor (32) is on the same plane as the lower side wall of the top plate (3), when the lifting plate (41) moves upward, the top end of the end plate (47) is in contact with the bottom of the pressure sensor (32).

7. The pattern pressing device for the pavement block production according to claim 1, characterized in that: The upper side wall of the base (1) is provided with a placing disc (12), a plurality of forming cavities (13) are formed in the upper side wall of the placing disc (12), the positions of the plurality of forming cavities (13) correspond to the positions of the plurality of protrusions (43) one by one, and the upper side wall of the base (1) is fixedly provided with a U-shaped frame (11), and the side wall of the placing disc (12) is in contact with the inner wall of the U-shaped frame (11).

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