Material spreading mechanism of plastic spreading machine

Abstract

The utility model discloses a spreading mechanism of a plastic spreading machine, which comprises a hot pressing plate and is characterized in that the hot pressing plate is mounted on a liftable frame and positioned on one side of a discharge port of the plastic spreading machine, a striker plate is further mounted on the liftable frame and positioned between the hot pressing plate and the discharge port of the plastic spreading machine, and the striker plate is arranged on the liftable frame and positioned on the side of the discharge port of the plastic spreading machine. The material blocking plate is close to one side of the hot pressing plate to the degree that plastic particles can be prevented from entering the upper surface of the hot pressing plate. The paving structure can quickly adjust the ground clearance of the pre-paving plate and the flattening plate required by the thickness of the target plastic layer, can quickly perform thermoplastic processing after leveling, and is convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of plastic paving, in particular to a material paving mechanism of a plastic paving machine. Background Art

[0002] Now many venues need to pave plastic floors or plastic tracks. The plastic particles are spread and flattened and then heated and shaped to form a plastic surface. Manual paving operations are time-consuming, labor-intensive, and inefficient. Utility model patent CN 217499861U discloses a plastic floor paving device, including a storage box, a discharge port and a baffle plate for controlling the discharge amount are provided on the storage box, a stirring mechanism is provided in the storage box, and a horizontal pre-paving plate, a primary pressing plate, a secondary pressing plate and a vibration motor are provided on one side of the discharge port. When working, the plastic particles flow out from the discharge port after stirring, and are first basically smoothed by the pre-paving plate, then compacted and leveled by the primary pressing plate, and finally finely leveled and heated and shaped by the secondary pressing plate. However, in the above scheme, the distance between the two pressing plates of the paving structure is relatively large. After being flattened by the primary pressing plate, the plastic particles rebound and bulge again, affecting the fine leveling effect of the secondary pressing plate, and even causing pits on the plastic surface. At the same time, it was found during use that the thickness of the final compacted plastic layer is related to the ground clearance of the lower end of the pre-laid board and the ground clearance of the lower end of the compacting plate. Currently, the ground clearance of the pre-laid board and the ground clearance of the compacting plate need to be adjusted separately. To match the two to the thickness of the final compacted plastic layer, repeated adjustments are required, which is cumbersome and inconvenient to use. Utility Model Content

[0003] The utility model aims to provide a paving structure of a plastic paving machine, which can quickly adjust the ground clearance of the pre-paving plate and the pressing plate required for the thickness of the target plastic layer, and can quickly heat and plasticize after leveling, and is easy to use.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A material spreading mechanism of a plastic paving machine includes a hot pressing plate, characterized in that the hot pressing plate is installed on a liftable frame and is located on one side of a material discharge port of the plastic paving machine, and a material baffle plate is also installed on the liftable frame, the material baffle plate is located between the hot pressing plate and the material discharge port of the plastic paving machine, and the material baffle plate is close to one side of the hot pressing plate to an extent that plastic particles can be prevented from entering the upper surface of the hot pressing plate.

[0006] In the above technical solution, the baffle plate and the hot pressing plate are lifted and lowered together, and the baffle plate is close to the hot pressing plate to a degree sufficient to prevent the plastic particles from rolling onto the upper surface of the hot pressing plate. In this way, when using, it is only necessary to adjust the lifting frame to lift the baffle plate and the hot pressing plate together, and it is easy to adjust the expected size of the final plastic layer, which is very convenient to use. At the same time, the baffle plate has a pre-leveling function. After the baffle plate is just scraped and laid, the hot pressing plate is heated and plasticized, which effectively avoids the problem of plastic particles rebounding and bulging again.

[0007] Optionally, the lower end of the baffle plate is not higher than the upper edge of the ironing plate, and the distance between the baffle plate and the ironing plate in the horizontal direction does not exceed 2 cm. This can better prevent plastic particles from entering the upper surface of the ironing plate, thereby avoiding construction inconvenience.

[0008] Optionally, the ironing plate has a curling edge on one side close to the baffle plate, and the distance between the baffle plate and the curling edge does not exceed 1 cm. The curling edge can make the edge of the ironing plate contact the plastic particles gently, which helps to flatten them better. The overlap of the curling edge and the baffle plate can make the gap between the baffle plate and the ironing plate oblique, thereby effectively preventing the plastic particles from getting on the ironing plate.

[0009] Optionally, the lifting frame includes a horizontal plate, both ends of which are connected to a connecting rod, the connecting rod is connected to a screw sleeve, the screw sleeve is mounted on a screw rod, and the screw rod is rotatably mounted on the plastic paving machine.

[0010] Optionally, the ironing plate is rotatably mounted under the horizontal plate through a plurality of connecting plates and can swing along the length direction of the horizontal plate. A motor is provided on the horizontal plate, and the motor is connected to the ironing plate through an eccentric shaft and a transmission rod and drives the ironing plate to swing. This structure allows the screws on both sides to be adjusted without synchronization, which helps to improve the convenience of adjusting the height of the ironing plate.

[0011] Preferably, the ironing plate comprises a bottom plate, a heating plate is laid on the bottom plate, and a temperature sensor is also provided to monitor the temperature of the ironing plate.

[0012] The utility model has a simple overall structure, a simple and quick adjustment method and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 This is the front view of the utility model installed on a paving machine;

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model installed on a paving machine;

[0016] Figure 4It is a side view of the utility model installed on a paving machine (without a paving machine side plate);

[0017] Figure 5 yes Figure 4 A partial enlarged view of part A. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings by way of specific embodiments:

[0019] like Figures 1 to 5 As shown, a material laying mechanism of a plastic paving machine includes a hot pressing plate 1, which is installed on a lifting frame 2 and is located on one side of a discharge port 4 of a plastic paving machine 3. A material blocking plate 5 is also installed on the lifting frame 2, and the material blocking plate 5 is located between the hot pressing plate 1 and the discharge port 4 of the plastic paving machine. The lifting frame 2 drives the hot pressing plate 1 and the material blocking plate 5 to perform lifting and lowering movements together, so as to achieve the purpose of simultaneously adjusting the matching relationship between the pre-paving plate and the ground clearance of the hot pressing plate, so that it is easy to adjust the pressure to produce the expected plastic layer thickness and smoothly meet the construction requirements. The material blocking plate 5 is close to one side of the hot pressing plate 1 to a degree that can prevent plastic particles from entering the upper surface of the hot pressing plate 1. Specifically, the lower end of the material blocking plate 5 is not higher than the upper edge of the hot pressing plate 1, so as to avoid leaving a gap between the material blocking plate 5 and the hot pressing plate 1 in the vertical direction, and can prevent the material blocking plate 5 from rolling onto the hot pressing plate 1 during the flattening and pre-paving process, causing the hot pressing plate to adhere due to heat. The distance between the baffle plate 5 and the hot pressing plate 1 in the horizontal direction does not exceed 2 cm, so that the distance between the hot pressing plate 1 and the baffle plate 5 is relatively close. After the baffle plate 5 flattens the plastic particles to play a pre-paving role, the hot pressing plate 1 promptly hot presses and plasticizes the flattened and pre-paved plastic particles, thereby avoiding that when the distance between the baffle plate 5 and the hot pressing plate 1 is too large, the plastic particles flattened by the baffle plate 5 will rebound and bulge again, thereby affecting the flatness of the plastic layer or the hot pressing plasticity of the hot pressing plate 1. At the same time, it can also prevent the plastic particles that rebound again from entering the upper surface of the hot pressing plate 1 and flowing backwards, causing plastic particles to fall on the hot pressed plastic surface. It can also prevent the plastic particles from entering the top of the hot pressing plate 1, causing the plastic particles to melt due to heat, resulting in adhesion and difficulty in cleaning.

[0020] In a preferred embodiment, a curling edge 11 is left upward on one side of the ironing plate 1 close to the baffle plate 5. The curling plate 11 extends obliquely upward in an arc. The curling edge 11 can make the edge of the ironing plate 1 gently transition to the plastic particles, avoiding the edge of the ironing plate 1 from damaging and scratching the pre-laid plastic particles, which helps to better flatten the plastic layer. The distance between the baffle plate 5 and the curling edge 11 does not exceed 1 cm, so that the overlap gap between the curling edge 11 and the baffle plate 5 is oblique, thereby further preventing the plastic particles from getting on the ironing plate 1. And the overall paving structure is simple, small in size, and easy to transport.

[0021] In a preferred embodiment, the lifting frame 2 includes a horizontal plate 21, the two ends of the horizontal plate 21 are connected to the connecting rod 6, the connecting rod 6 is connected to the screw sleeve 7, the screw sleeve 7 is sleeved on the screw 8, the screw 8 is rotatably mounted on the plastic paving machine 3, and the screw sleeve 7 is moved up and down along the screw 8 by rotating the screw 8, thereby driving the lifting frame 2 to move up and down through the connecting rod 6. Specifically, the two ends of the horizontal plate 21 extend upward to form a vertical plate 22, and two first bearings 23 are installed on the vertical plate 22. The connecting rod 6 is sleeved in the first bearing 23, and the screw 8 is rotatably mounted on the plastic paving machine 3 through a group of second bearings 24. A knob 81 is installed on the upper part of the screw 8 for convenient rotation operation. The ironing plate 1 is rotatably mounted below the horizontal plate 21 through a plurality of connecting plates 9 and can swing along the length direction of the horizontal plate 21, thereby having a greater pressure on the plastic particles. Furthermore, a motor 10 is provided on the horizontal plate 21, and the motor 10 passes through the horizontal plate 21 downward through the transmission shaft of the reducer 101 and is connected to the eccentric shaft 102, and the eccentric shaft 102 is connected to the transmission rod 103, and the transmission rod 103 is hinged to the hot pressing plate 1, so that the motor 10 can drive the hot pressing plate 1 to swing left and right, and compact and hot-scald the plastic particles below. In one embodiment, the hot pressing plate 1 includes a bottom plate 12, and a heating plate 13 is laid on the bottom plate 12, and a temperature sensor is also provided to monitor the temperature, and the temperature of the hot pressing plate can be set.

[0022] In the above embodiment, according to the thickness of the plastic layer to be laid, the screw rod 8 is rotated by the knob 81 to drive the lifting frame 2 to move up and down, and the hot pressing plate 1 and the material blocking plate 5 will follow the lifting frame 2 to move up and down at the same time, and adjust their clearance from the ground, and then the plastic layer can be laid and hot pressed. During the process, the material blocking plate 5 pre-flattens the plastic particles flowing out of the discharge port 4, and at the same time avoids blocking them from the hot pressing plate 1, preventing them from melting and sticking after contacting the hot pressing plate 1; and there is a very small gap between the material blocking plate 5 and the hot pressing plate 1, that is, the hot pressing can be performed after the plastic particles are pre-flattened, preventing the plastic particles from rebounding and bulging again, which affects the flatness of the plastic layer.

[0023] The above embodiments are only some descriptions of the concept and implementation of the utility model, and are not intended to limit the concept and implementation of the utility model. Under the concept of the utility model, technical solutions that have not been substantially changed are still within the scope of protection.

Claims

1. A material laying mechanism of a plastic laying machine, comprising a hot pressing plate, characterized in that: The ironing plate is installed on a liftable frame and is located on one side of the discharge port of the plastic paving machine. A material baffle plate is also installed on the liftable frame. The material baffle plate is located between the ironing plate and the discharge port of the plastic paving machine. The material baffle plate is close to one side of the ironing plate to a degree that can prevent plastic particles from entering the upper surface of the ironing plate.

2. The material spreading mechanism of the plastic paving machine as claimed in claim 1, characterized in that: The lower end of the baffle plate is not higher than the upper edge of the ironing plate, and the distance between the baffle plate and the ironing plate in the horizontal direction does not exceed 2 cm.

3. The material spreading mechanism of the plastic paving machine according to claim 1, characterized in that: A curling edge is left upward on one side of the ironing plate close to the material baffle plate, and the distance between the material baffle plate and the curling edge does not exceed 1 cm.

4. The material spreading mechanism of the plastic paving machine according to claim 1, characterized in that: The lifting frame comprises a horizontal plate, both ends of which are connected to a connecting rod, the connecting rod is connected to a screw sleeve, the screw sleeve is sleeved on a screw rod, and the screw rod is rotatably installed on the plastic paving machine.

5. The material spreading mechanism of the plastic paving machine according to claim 4, characterized in that: The ironing plate is rotatably mounted under the horizontal plate through a plurality of connecting plates and can swing along the length direction of the horizontal plate. A motor is arranged on the horizontal plate, and the motor is connected to the ironing plate through an eccentric shaft and a transmission rod and drives the ironing plate to swing.

6. The material spreading mechanism of the plastic paving machine according to claim 1, characterized in that: The ironing plate comprises a bottom plate, a heating plate is laid on the bottom plate, and a temperature sensor is also provided to monitor the temperature of the ironing plate.

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