CN218928548U

CN218928548U - LVT floor production line

Info

Publication number: CN218928548U
Application number: CN202223197278.1U
Authority: CN
Inventors: 王帮好
Original assignee: Wuxi Haobang Machinery Manufacturing Co ltd
Current assignee: Wuxi Haobang Machinery Manufacturing Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-28
Anticipated expiration: 2032-11-30

Abstract

The application discloses an LVT floor production line, which relates to the field of floor production machinery and comprises a double-cone screw extruder, a plate die head, a two-roller calender, a heating system, a five-roller calender, a cooling conveying line, a tractor, a cutting machine and a mechanical arm; the output port of the double-cone screw extruder is connected with a plate die head, and the plate die head is used for conveying extruded raw materials into a two-roller calender; the output of the two-roller calender is connected with a heating system and is used for preserving heat after calendering; the five-roller calender is arranged at the rear stage of the heating system and is used for shaping the base material and attaching the color film; the cooling conveying line is connected to the output end of the five-roller calender and is used for cooling and transporting the substrate; the tractor, the cutting machine and the mechanical arm are used for carrying out traction, cutting and shipment on the cooled LVT plates.

Description

LVT floor production line

Technical Field

The embodiment of the application belongs to the field of floor production machinery, and particularly relates to an LVT floor production line.

Background

The LVT floor production line is mainly used for producing LVT floors, and is a plastic floor with high elasticity and softer texture, and good fireproof and impact resistance. The substrate layer of the existing LVT floor is usually made of mineral powder such as PVC and stone powder and other additives such as plasticizers.

In the related technology, the traditional LVT floor production line adopts a steam mould pressing composite technology, the design technology adopts a boiler to heat and generate steam for long-time mould pressing, so that the energy consumption is high, a large number of people are required to operate, the production efficiency is low, meanwhile, the occupied area of a machine is large, and the operation is complex.

Disclosure of Invention

The embodiment of the application provides an LVT floor production line, which solves the problems that the existing LVT floor steam mould pressing accords with huge process mechanical equipment and has lower production automation level. The device comprises a double-cone screw extruder, a plate die head, a two-roller calender, a heating system, a five-roller calender, a cooling conveying line, a tractor, a cutting machine and a mechanical arm; the output port of the double-cone screw extruder is connected with the plate die head, and the plate die head is used for feeding extruded raw materials into the two-roller calender; the output of the two-roller calender is connected with the heating system and is used for preserving heat after calendering;

the five-roller calender is arranged at the rear stage of the heating system and is used for shaping a base material and attaching a color film; the cooling conveying line is connected to the output end of the five-roller calender and is used for cooling and transporting the substrate; the tractor, the cutting machine and the mechanical arm are used for carrying out traction, cutting and shipment on the cooled LVT plates.

Specifically, a bottom film coating device is arranged below the heating system, and the upper surface and the lower surface of the substrate passing through the two-roller calender are respectively heated and insulated by the heating system and coated with an online bottom film.

Specifically, the cooling transfer chain includes the cooling bracket below is provided with the cooling water tank, just the cooling bracket with be provided with a plurality of axial fan between the cooling water tank for LVT panel cooling plasticity.

Specifically, the five-roller calender is also provided with a roller temperature machine and an auxiliary electric box below the joint of the cooling bracket.

Specifically, be close to five roll calender exit position still be provided with the side cut sword on the cooling bracket for LVT panel deburring.

Specifically, the roller temperature machine is further arranged above the two-roller calender and used for controlling the heating of the rollers.

Specifically, the double-cone screw extruder is also connected with a vacuum processing system and a host electric box.

The beneficial effects that this application provided technical scheme brought include at least: after the double-cone screw extruder extrudes and is output through a plate die head, firstly, the plastic is added for the first time through a two-roller calender and a roller temperature machine to form the shape of the substrate, then, the substrate is further coated and insulated through a heating system and a substrate coating device, hardening is avoided, and then, color film lamination and substrate shaping are carried out on the upper surface of the substrate under the action of a five-roller calender; the output LVT plate can be further cooled through a cooling conveying line, then a floor is obtained under the treatment of a tractor and a cutting machine, and the LVT plate is loaded through a mechanical arm. The steps of substrate forming, film pasting, plasticity, cooling cutting, loading and the like in the whole production process are all completed through an automatic production line, the traditional steam mould pressing composite process of the LVT floor is replaced, the occupied space and cost investment are reduced, the operation is convenient and fast, and the production efficiency is higher.

Drawings

FIG. 1 is a front view of an LVT flooring production line provided by an embodiment of the present application;

FIG. 2 is a top view of an LVT flooring production line provided by an embodiment of the present application;

FIG. 3 is an enlarged view of section A in the front view provided by the embodiments of the present application;

FIG. 4 is an enlarged view of section B in the front view provided by the embodiments of the present application;

FIG. 5 is an enlarged view of section C in the front view provided by the embodiments of the present application;

FIG. 6 is an enlarged view of segment D in the front view provided by the embodiments of the present application;

FIG. 7 is an enlarged view of section A in a top view provided by an embodiment of the present application;

FIG. 8 is an enlarged view of section B in a top view provided by an embodiment of the present application;

FIG. 9 is an enlarged view of section C in a top view provided by an embodiment of the present application;

fig. 10 is an enlarged view of segment D in a top view provided in an embodiment of the present application.

Reference numerals: 10-double cone screw extruder, 11-vacuum processing system, 12-main machine electric box, 20-bale breaker body, 21-blanking hopper, 30-two-roll calender, 40-heating system, 50-primer coating device, 60-five-roll calender, 61-trimming knife, 70-roller temperature machine, 80-cooling bracket, 90-cooling water tank, 100-axial flow fan, 110-tractor, 120-cutting machine, 130-mechanical arm.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

References herein to "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

Fig. 1-10 are front and top views of an LVT flooring production line according to an embodiment of the present application.

The production line comprises a double-cone screw extruder 10, a plate die head 20, a two-roll calender 30, a heating system 40, a five-roll calender 60, a cooling conveyor line, a tractor 110, a cutter 120 and a mechanical arm 130. The double-cone screw extruder 10 is used as an initial part, a main body part is connected with a vacuum processing system 11 and a main machine electric box 12, and the main body part conveys raw materials into the inside through a feeding hopper at the top and extrudes through the double-cone screw. The extrusion part is provided with a plate die head 20, and the outlet of the plate die head 20 is used for ejecting the thermoplastic raw material. The outlet of the plate die head 20 is aligned to the two-roller calender 30, the upper roller and the lower roller of the two-roller calender 30 are used for preliminary plasticity and extension of extrusion raw materials, meanwhile, the two-roller calender 30 is also connected with a warm roller machine 70, and the warm roller machine 70 can heat and preserve heat of the rollers to avoid solidification of materials. A heating system 40 is connected to the rear of the two-roll calender 30, and the heating system 40 is positioned above the conveying line roller to heat and preserve heat of the stretched substrate. Meanwhile, a primer coating device 50 is further provided directly under the heating system 40, and is mainly used for coating the bottom surface of the substrate with glue.

The substrate after passing through the heating system 40 completes the bottom surface coating work, and the five-roller calender 60 connected to the rear side is used for performing secondary rolling on the substrate, and simultaneously shaping and color film pasting on the substrate to make the surface of the substrate painted and colored.

The cooling transfer chain is connected at the output of five roll calender 60 for cool off and transport the base plate, specifically include cooling bracket 80 and the cooling water tank 90 that the below set up, be provided with low temperature circulation rivers in the cooling water tank 90, and be provided with a plurality of axial fan 100 between cooling bracket 80 and the cooling water tank 90, be used for LVT panel cooling plasticity. A trimming blade 61 is further provided on the cooling bracket 80 near the outlet of the five-roll calender 60, and the trimming blade 61 can trim the substrate according to the size requirement.

In particular, a warm-roll calender 70 is also arranged at the bottom of the cooling bracket 80 behind the five-roll calender, laterally with its auxiliary electric box 71, where the warm-roll calender 70 is used for heating the moving roll. The tail of the cooling bracket 80 is provided with a tractor 110, a cutting machine 120 is connected to the rear of the tractor 110, the tractor 110 and the cutting machine 120 are respectively used for drawing the LVT substrate and cutting the size, and the cutting machine 120 can be a servo plate shearing machine and is used for cutting according to design specifications.

The robot arm 130 is coupled to the rear of the cutter 120 for shipping and packaging the cut LVT sheet.

In summary, after the production line is extruded by a double-cone screw extruder and is output through a plate die head, firstly, plasticity is added for the first time through a two-roller calender and a roller temperature machine to form a substrate shape, then, the substrate is further coated and insulated through a heating system and a substrate coating device, hardening is avoided, and then, color film lamination and substrate shaping are carried out on the upper surface of the substrate under the action of a five-roller calender; the output LVT plate can be further cooled through a cooling conveying line, then a floor is obtained under the treatment of a tractor and a cutting machine, and the LVT plate is loaded through a mechanical arm. The steps of substrate forming, film pasting, plasticity, cooling cutting, loading and the like in the whole production process are all completed through an automatic production line, the traditional steam mould pressing of the LVT floor is replaced, the process is met, the occupied space and cost investment are reduced, the operation is convenient, and the production efficiency is higher.

The foregoing describes preferred embodiments of the present utility model; it is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art will make many possible variations and modifications, or adaptations to equivalent embodiments without departing from the technical solution of the present utility model, which do not affect the essential content of the present utility model; therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. The LVT floor production line is characterized by comprising a double-cone screw extruder (10), a plate die head (20), a two-roller calender (30), a heating system (40), a five-roller calender (60), a cooling conveying line, a tractor (110), a cutting machine (120) and a mechanical arm (130); wherein, the output port of the double-cone screw extruder (10) is connected with the plate die head (20), and the plate die head is used for feeding extruded raw materials into the two-roll calender (30); the output of the two-roll calender (30) is connected with the heating system (40) and is used for preserving heat after calendering;

the five-roller calender (60) is connected to the rear stage of the heating system (40) and is used for shaping a base material and attaching a color film; the cooling conveying line is connected to the output end of the five-roller calender (60) and is used for cooling and transporting the substrate; the tractor (110), the cutter (120) and the robotic arm (130) are used to pull, cut and ship the cooled LVT sheet material.

2. LVT floor production line according to claim 1, characterized in that a primer coating device (50) is arranged below the heating system (40), and the upper and lower surfaces of the substrate passing through the two-roll calender (30) are heated and insulated and coated with an online primer by the heating system (40) respectively.

3. LVT floor production line according to claim 1, characterized in that the cooling conveyor line comprises a cooling bracket (80), a cooling water tank (90) is arranged below the cooling bracket (80), and a plurality of axial fans (100) are arranged between the cooling bracket (80) and the cooling water tank (90) for cooling plasticity of the LVT plate.

4. A LVT floor production line according to claim 3, characterized in that a roller warming machine (70) and a secondary electric box (71) are also provided below the junction of the five-roller calender (60) and the cooling bracket (80).

5. LVT floor production line according to claim 4, characterized in that a trimming blade (61) is also provided on the cooling carrier (80) near the exit position of the five-roll calender (60) for trimming LVT boards.

6. LVT floor production line according to claim 1, characterized in that a roller temperature machine (70) is also provided above the two-roller calender (30) for heating control of the rollers.

7. LVT floor production line according to claim 1, characterized in that the twin-cone screw extruder (10) is further connected with a vacuum processing system (11) and a main machine electric box (12).