Cutting device for PVC foam board production

Abstract

The utility model relates to the technical field of PVC (polyvinyl chloride) foam board production, in particular to a cutting device for PVC foam board production, which comprises a first conveying belt, a scrap recovery component and a connecting plate, a second conveying belt is horizontally arranged on one side of the first conveying belt, and side plates are symmetrically arranged at two ends of the outer sides of the first conveying belt and the second conveying belt. A gap space is formed in the connecting end of the first conveying belt and the second conveying belt, a chipping recycling assembly is installed at the bottom of the connecting end of the first conveying belt and the second conveying belt and comprises an embedded bottom plate, a dust attachment net and a dust suction fan, and the embedded bottom plate is embedded in the inner side of the side plate; dust attachment nets are arranged on the inner side of the bottom of the embedded bottom plate; the PVC foam board cutting device solves the problems that in the prior art, when an existing device conducts pressurized cutting on a PVC foam board, the tilting condition is prone to occurring, and during cutting, chippings can fall off from the cutting face of the PVC foam board, the chippings can be sputtered, and collection is inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC foam board production, in particular to a cutting device used for PVC foam board production. Background Art

[0002] PVC foam board is also called Chevron board and Andy board. Its chemical composition is polyvinyl chloride. The application field of PVC foam board is very wide. With the continuous development of the construction, home appliances, automobile and other industries, the market demand for PVC foam board is expected to continue to grow.

[0003] The production process of PVC foam board mainly includes the steps of raw material preparation, batching and mixing, extrusion molding, cooling and shaping, surface treatment and cutting. Among them, the selection of suitable raw materials such as PVC resin, foaming agent, additives, as well as key technologies such as optimized formula design, extruder selection and debugging, and foaming process optimization are crucial to improving the quality and performance of PVC foam board.

[0004] When the existing device is pressurized to cut the PVC foam board, it is easy to warp up, and when cutting, the cut surface of the PVC foam board will drop debris, and the debris will splash, which is not convenient to collect.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a cutting device for PVC foam board production is proposed, in order to achieve a more practical purpose. Utility Model Content

[0006] The purpose of the utility model is to provide a cutting device for producing PVC foam boards to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting device for PVC foam board production, comprising a first conveyor belt, a debris recovery component and a connecting plate, a second conveyor belt is horizontally arranged on one side of the first conveyor belt, and side plates are symmetrically arranged at both ends of the outer sides of the first conveyor belt and the second conveyor belt, a gap space is arranged at the connecting end of the first conveyor belt and the second conveyor belt, and a debris recovery component is installed at the bottom of the connecting end of the first conveyor belt and the second conveyor belt, the debris recovery component comprises an embedded bottom plate, a dust attachment net and a dust suction fan, the inner side of the side plate is embedded with an embedded bottom plate, and the inner side of the bottom of the embedded bottom plate is arranged with a dust attachment net, and the lower end of the bottom of the embedded bottom plate is installed with a dust suction fan;

[0008] Hydraulic cylinders are installed at both outer ends of the side plates, and lifting rods are installed at the tops of the hydraulic cylinders. Connecting plates are arranged inside the two groups of lifting rods. Side connecting rods are installed on both outer sides of the connecting plates, and traction springs are installed at the other ends of the side connecting rods. The traction springs are sleeved on the outer sides of the lifting rods, and the traction springs are fixedly connected to the surfaces of the hydraulic cylinders. Inner connecting rods are arranged inside the side connecting rods, limit springs are installed at one ends inside the inner connecting rods, and a limit cylinder is pivotally connected to the inner sides of the two groups of inner connecting rods. A cutting knife is installed at the bottom inside of the connecting plate.

[0009] Furthermore, cushion blocks are installed on both sides of the bottom of the side plates.

[0010] Furthermore, indicating laser lights are symmetrically installed inside the side plates. There are four groups of indicating laser lights, and the four groups of indicating laser lights are arranged in a rectangular shape.

[0011] Furthermore, the side plates and the fitting bottom plate are fitted and installed, and the fitting bottom plate and multiple groups of dust adhesion nets are wrapped and connected, and there are multiple groups of dust adhesion nets.

[0012] Furthermore, a spring rod-shaped structure is formed between the inner connecting rod and the limit spring, and the bottom of the inner connecting rod and the limit cylinder are pivotally connected.

[0013] Furthermore, the hydraulic cylinder forms a hydraulic lifting structure through the lifting rod and the side connecting rod, and a detachable structure is formed among the side connecting rod, the inner connecting rod and the connecting plate.

[0014] Furthermore, a traction spring is sleeved on the outer side of the lifting rod.

[0015] The utility model provides a cutting device for PVC foam board production, which has the following beneficial effects:

[0016] 1. In the utility model, the first conveyor belt and the second conveyor belt are used as the cutting surfaces of the PVC foam board, and the adjacent gaps are used as the cutting free spaces. A fitting bottom plate is arranged at the bottom of the gap to carry the debris generated during the cutting of the PVC foam board. Cooperating with the dust suction fan at the bottom of the fitting bottom plate, the debris can be extracted into the space of the fitting bottom plate and adsorbed into the dust adhesion net along the air flow, avoiding the situation of debris splashing during cutting.

[0017] 2. In the utility model, the cutting knife fixed on the connecting plate is used as the cutting part of the foam board. The lifting rod of the outer hydraulic cylinder is used to horizontally cut the foam board with the cutting knife. The traction spring sleeved on the lifting rod will cause the traction spring to be compressed when the cutting knife descends. When the maximum compression limit is reached, it will block the downward pressure of the cutting knife, thereby controlling the downward pressure depth and ensuring the cutting accuracy.

[0018] 3. In the present utility model, an inner connecting rod is installed on the connecting plate, and it forms a spring rod-like structure through a limiting spring. The bottom of the inner connecting rod is axially connected with a limiting cylinder, which can make the limiting cylinder utilize the limiting spring to fit on PVC foam boards with different thicknesses, thereby realizing the limitation of the PVC foam boards and ensuring its stability during cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Referring to the accompanying drawings, the disclosed content of the present utility model will become easier to understand. It is easy for those skilled in the art to understand that these drawings are only used to illustrate the technical solutions of the present utility model and are not intended to limit the protection scope of the present utility model. In the figures:

[0020] Figure 1 is a three-dimensional structural schematic diagram of a cutting device for PVC foam board production according to the present utility model;

[0021] Figure 2 is a partial enlarged structural schematic diagram of the connecting plate of a cutting device for PVC foam board production according to the present utility model;

[0022] Figure 3 is a three-dimensional structural schematic diagram of a debris recovery component of a cutting device for PVC foam board production according to the present utility model.

[0023] In the figures: 1. First conveyor belt; 2. Second conveyor belt; 3. Side plate; 4. Debris recovery component; 401. Fitting bottom plate; 402. Dust adhesion net; 403. Dust suction fan; 5. Pad; 6. Hydraulic cylinder; 601. Lifting rod; 7. Cutting knife; 8. Connecting plate; 801. Side connecting rod; 802. Inner connecting rod; 803. Limiting cylinder; 804. Limiting spring; 805. Traction spring; 9. Indicating laser lamp. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-3, the present utility model provides a technical solution: a cutting device for PVC foam board production, including a first conveyor belt 1, a debris recovery component 4 and a connecting plate 8. A second conveyor belt 2 is horizontally arranged on one side of the first conveyor belt 1, and side plates 3 are symmetrically arranged at both outer ends of the first conveyor belt 1 and the second conveyor belt 2. There is a clearance space at the connection end of the first conveyor belt 1 and the second conveyor belt 2, and a debris recovery component 4 is installed at the bottom of the connection end of the first conveyor belt 1 and the second conveyor belt 2. The debris recovery component 4 includes a fitting bottom plate 401, a dust adhesion net 402 and a dust suction fan 403. The fitting bottom plate 401 is embedded in the inner side of the side plate 3, and the dust adhesion net 402 is arranged at the inner bottom of the fitting bottom plate 401, and the dust suction fan 403 is installed at the lower end of the bottom of the fitting bottom plate 401;

[0026] Hydraulic cylinders 6 are installed at both outer ends of the side plate 3, and a lifting rod 601 is installed at the top of the hydraulic cylinder 6. A connecting plate 8 is arranged inside the two lifting rods 601. Side connecting rods 801 are installed on both outer sides of the connecting plate 8, and a traction spring 805 is installed at the other end of the side connecting rod 801. The traction spring 805 is sleeved on the outer side of the lifting rod 601, and the traction spring 805 is fixedly connected to the surface of the hydraulic cylinder 6. An inner connecting rod 802 is arranged inside the side connecting rod 801, and a limiting spring 804 is installed at one end inside the inner connecting rod 802, and a limiting cylinder 803 is axially connected inside the two inner connecting rods 802. A cutting knife 7 is installed at the inner bottom of the connecting plate 8; cushion blocks 5 are installed at both sides of the bottom of the side plate 3; indicating laser lights 9 are symmetrically installed inside the side plate 3, and there are four groups of indicating laser lights 9, and the four groups of indicating laser lights 9 are arranged in a rectangular shape; The side plate 3 and the fitting bottom plate 401 are fitted and installed, and the fitting bottom plate 401 and multiple dust adhesion nets 402 form a wrapped connection, and multiple dust adhesion nets 402 are provided; A spring rod structure is formed between the inner connecting rod 802 and the limiting spring 804, and the bottom of the inner connecting rod 802 and the limiting cylinder 803 form a movable axial connection; The hydraulic cylinder 6 forms a hydraulic lifting structure through the lifting rod 601 and the side connecting rod 801, and a detachable structure is formed among the side connecting rod 801, the inner connecting rod 802 and the connecting plate 8; The traction spring 805 is sleeved on the outer side of the lifting rod 601;

[0027] Taking the first conveyor belt 1 and the second conveyor belt 2 as the cutting surfaces of the PVC foam board, the adjacent clearance is used as the cutting free space, and a fitting bottom plate 401 is arranged at the bottom of the clearance to carry the debris generated during the cutting of the PVC foam board, and cooperate with the dust suction fan 403 at the bottom of the fitting bottom plate 401, which can extract the debris into the space of the fitting bottom plate 401 and adsorb it into the dust adhesion net 402 along the air flow, avoiding the situation of debris splashing during cutting;

[0028] The cutting knife 7 fixed on the connecting plate 8, as the cutting part of the foaming board, uses the lifting rod 601 of the outer hydraulic cylinder 6 to horizontally cut the foaming board with the cutting knife 7. The traction spring 805 sleeved on the lifting rod 601 can cause the traction spring 805 to be compressed when the cutting knife 7 descends. When the maximum compression limit is reached, it will block the downward pressure of the cutting knife 7, thereby controlling the downward pressure depth and ensuring the accuracy of cutting.

[0029] An inner connecting rod 802 is installed on the connecting plate 8. It forms a spring rod-like structure through the limiting spring 804. The bottom of the inner connecting rod 802 is pivotally connected to a limiting cylinder 803, which can make the limiting cylinder 803 fit on PVC foaming boards of different thicknesses by using the limiting spring 804, thereby realizing the limitation of the PVC foaming board and ensuring its stability during cutting.

[0030] The indicating laser lights 9 symmetrically arranged inside the side plate 3. The four groups of indicating laser lights 9 can emit laser light and form a rectangular light curtain with each other, which can form a light curtain protection for the cutting area of the cutting knife 7, perform fixed-point protection on the cutting area, and increase the safety protection function.

[0031] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be thought of by those skilled in the art within the technical scope disclosed by the present invention without creative labor should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A cutting device for PVC foam board production, comprising a first conveyor belt (1), a debris recovery component (4) and a connecting plate (8), characterized in that: On one side of the first conveyor belt (1), a second conveyor belt (2) is horizontally arranged, and side plates (3) are symmetrically arranged at both outer ends of the first conveyor belt (1) and the second conveyor belt (2). A gap space is provided at the connection end of the first conveyor belt (1) and the second conveyor belt (2), and a debris recovery component (4) is installed at the bottom of the connection end of the first conveyor belt (1) and the second conveyor belt (2). The debris recovery component (4) includes a fitting bottom plate (401), a dust adhesion net (402), and a suction fan (403). The fitting bottom plate (401) is embedded on the inner side of the side plate (3), and the dust adhesion net (402) is arranged in a row at the inner bottom of the fitting bottom plate (401), and the suction fan (403) is installed at the lower end of the bottom of the fitting bottom plate (401). Hydraulic cylinders (6) are installed at both outer ends of the side plate (3), and lifting rods (601) are installed at the tops of the hydraulic cylinders (6). A connecting plate (8) is arranged inside the two lifting rods (601). Side connecting rods (801) are installed on both outer sides of the connecting plate (8), and a traction spring (805) is installed at the other end of the side connecting rod (801). The traction spring (805) is sleeved on the outer side of the lifting rod (601), and the traction spring (805) is fixedly connected to the surface of the hydraulic cylinder (6). An inner connecting rod (802) is arranged inside the side connecting rod (801), and a limiting spring (804) is installed at one inner end of the inner connecting rod (802), and a limiting cylinder (803) is axially connected to the inside of the two inner connecting rods (802). A cutting knife (7) is installed at the inner bottom of the connecting plate (8).

2. A cutting device for PVC foam board production according to claim 1, characterized in that, Blocks (5) are installed on both sides of the bottom of the side plate (3).

3. A cutting device for PVC foam board production according to claim 1, characterized in that, Indicator laser lights (9) are symmetrically installed on the inner side of the side plate (3), and there are four groups of the indicator laser lights (9), and the four groups of the indicator laser lights (9) are arranged in a rectangular shape.

4. A cutting device for PVC foam board production according to claim 1, characterized in that, The side plate (3) and the fitting bottom plate (401) are fitted and installed, and the fitting bottom plate (401) and multiple dust adhesion nets (402) are connected in a wrapped manner, and there are multiple dust adhesion nets (402).

5. A cutting device for PVC foam board production according to claim 1, characterized in that, A spring rod-shaped structure is formed between the inner connecting rod (802) and the limiting spring (804), and the bottom of the inner connecting rod (802) is axially connected to the limiting cylinder (803) in a movable manner.

6. A cutting device for PVC foam board production according to claim 1, characterized in that, The hydraulic cylinder (6) forms a hydraulic lifting structure through the lifting rod (601) and the side connecting rod (801), and a detachable structure is formed among the side connecting rod (801), the inner connecting rod (802), and the connecting plate (8).

7. A cutting device for PVC foam board production according to claim 1, characterized in that, The traction spring (805) is sleeved on the outer side of the lifting rod (601).

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