Plasma corona spraying device and method for producing PVC foam material

Abstract

The present invention relates to the field of spraying technology. The present invention discloses a plasma corona spraying device and method for PVC foam material production. The problem to be solved by the present invention is that it is inconvenient to detect the specifications of the PVC foam material when the device performs plasma spraying on the PVC foam material. The present invention is composed of a plasma spraying mechanism, a length detection processing mechanism and a thickness detection mechanism. The plasma corona spraying device and method for PVC foam material production drives the inclined rod at the rear end of the cylinder to deflect counterclockwise after the L-shaped pressure column deflects counterclockwise, and squeezes the rectangular block inside the L-shaped push plate to move downward. At this time, the disc is driven to rotate by the rotating motor, so that the second hinged plate cooperates with the push block to push the L-shaped push plate forward, and then the rectangular block after moving downward resists the PVC foam material from moving forward, and the PVC foam material whose height does not meet the standard value is removed from the conveying platform.

Description

Technical Field

[0001] The invention relates to the technical field of spraying, in particular to a plasma corona spraying device and method for producing PVC foaming materials. Background Art

[0002] Plasma spraying is a technology for strengthening and modifying the surface of materials. It can make the substrate surface have the properties of wear resistance, corrosion resistance, high temperature oxidation resistance, electrical insulation, heat insulation, radiation protection, friction reduction and sealing. At present, the general plasma spraying technology uses plasma arc as the heat source and metal or non-metallic solid powder as the raw material. It is directly sprayed into the plasma flame through the powder nozzle and sprayed at high speed by the plasma spray gun onto the treated substrate surface to form a surface coating.

[0003] When the existing plasma corona spraying device performs plasma corona spraying on the surface of PVC foam material, it is inconvenient to detect the specifications of the PVC foam material, resulting in the device spraying some PVC foam materials that do not meet the size, causing waste of spraying materials. Summary of the invention

[0004] The purpose of the present invention is to provide a plasma corona spraying device and method for PVC foam material production, so as to solve the problem that it is inconvenient to detect the specifications of PVC foam material when the device proposed in the above background technology performs plasma spraying on PVC foam material. To achieve the above purpose, the present invention provides the following technical solutions: a plasma corona spraying device for PVC foam material production, comprising a conveying platform set on the ground, the conveying platform is used to convey PVC foam material, a conveyor belt is installed on the top surface of the conveying platform, a pressure roller is abutted on the top surface of the conveyor belt, a fixing plate is installed on the pressure roller, and the pressure roller is fixed to the conveying platform by the fixing plate;

[0005] A plasma spraying mechanism is installed on the conveying platform, and the PVC foaming material conveyed on the conveying belt is sprayed by the plasma spraying mechanism.

[0006] Preferably, the plasma spraying mechanism comprises a cover shell fixedly mounted on the middle part of the front of the conveying platform, a plasma generator is fixedly mounted in the cover shell, a circulation pump is also fixedly mounted in the cover shell, and the circulation pump is below the plasma generator, a liquid inlet pipe of the circulation pump is fixedly connected to a material storage box, and the material storage box is fixedly mounted on the bottom surface of the inner wall of the cover shell;

[0007] The liquid outlet pipe of the circulation pump is connected with a nozzle, and the nozzle is fixedly mounted on the plasma generator;

[0008] A corona lamp is also installed in the cover shell, and the corona lamp is on the upper side of the plasma generator.

[0009] Preferably, a length detection and processing mechanism is obliquely arranged on the right side of the conveyor belt, and the length detection and processing mechanism comprises a guide rail obliquely fixed on the right side of the conveyor platform, and a collection box is fixedly connected to the bottom surface of the guide rail, and the collection box is fixed on the right side of the conveyor platform;

[0010] The guide rail is provided with spring expansion blocks on both sides thereof, and the two spring expansion blocks are arranged facing each other. A socket is provided on one end of the spring expansion block away from the guide rail, a tilting rod is inserted in the socket of the spring expansion block, a connecting rod is hinged on the right side of the middle of the tilting rod, and the connecting rod is fixed on the outer side of the guide rail;

[0011] The left end of the tilting rod abuts against a blocking rod, and the blocking rod is inserted into a through opening opened on the outside of the guide slide rail, one end of the blocking rod is hinged on the top surface of the collection box, a first spring telescopic rod is hinged on the side of the blocking rod, and the end of the first spring telescopic rod away from the blocking rod is hinged on the top surface of the collection box, and a feeding port is opened on the top surface of the collection box.

[0012] Preferably, an opening is provided at the bottom of the inner wall of the guide rail, and the opening is communicated with the material discharge port, a cutting knife is also slidably arranged in the guide rail, an L-shaped baffle is fixedly connected to the cutting knife, a vertical plate of the L-shaped baffle passes through the guide rail and is movably inserted in the material discharge port, an inverted U-shaped plate is fixedly connected to one end of the L-shaped baffle, first hinge plates are hinged on both ends of the inverted U-shaped plate, and an end of the first hinge plate away from the inverted U-shaped plate abuts against a right-angle groove on the top surface of the blocking rod;

[0013] The L-shaped baffle is also fixedly connected with a cylinder, and the cylinder is fixedly connected with a thickness detection mechanism.

[0014] Preferably, the thickness detection mechanism comprises a rotating motor fixed on the right side of the top surface of the conveying platform, a disc is fixedly connected to the end of the rotating motor, a second hinged plate is rotatably connected to the edge of the end surface of the disc, a push block is fixedly connected to the end of the second hinged plate away from the disc, a limit slide rail is slidably arranged on the bottom of the push block, and the limit slide rail is fixed to the top surface of the conveying platform;

[0015] The front of the push block is against an L-shaped push plate, a rectangular block is fixedly connected at a right angle inside the L-shaped push plate, a second spring telescopic rod is also fixedly connected to the inside of the L-shaped push plate, and the second spring telescopic rod is directly below the rectangular block, and L-shaped vertical slide rails are overlapped on both sides of the L-shaped push plate, and the two L-shaped vertical slide rails are fixed on the top surface of the conveying platform;

[0016] A limiting frame is fixedly connected to the top surface of the L-shaped push plate, a third spring telescopic rod is slidably arranged on the inner side of the limiting frame, an inclined rod is fixedly connected to the rear end of the third spring telescopic rod, a cylinder is fixedly connected to the end of the inclined rod away from the third spring telescopic rod, and an L-shaped pressure column is fixedly connected to the front end of the cylinder;

[0017] The cylinder is rotatably connected to the inner side of the L-shaped fixing plate, and the L-shaped fixing plate is fixed on the right side of the top surface of the conveying platform. The top surface of the L-shaped fixing plate is fixedly connected to two connecting plates, and the two connecting plates are fixed on both sides of the front and rear of the cylinder;

[0018] A T-shaped guide groove is provided on the right side of the top surface of the conveying platform, a return spring telescopic rod is fixedly connected to the bottom surface of the inner wall of the T-shaped guide groove, a wedge block is fixedly connected to the top end of the return spring telescopic rod, and the wedge block slides in the T-shaped guide groove.

[0019] Preferably, a fourth spring telescopic rod is fixedly connected to the front end of the L-shaped fixing plate, the lower end of the fourth spring telescopic rod is an isosceles trapezoid, and the lower end of the fourth spring telescopic rod abuts against a slot opened on the side of the cylinder.

[0020] Preferably, a pushing mechanical arm is installed on the top surface of the conveying platform.

[0021] Preferably, the method for using the plasma corona spraying device for producing PVC foam material comprises the following steps:

[0022] S1: The PVC foam material to be sprayed is conveyed into the guide rail, and the inverted U-shaped plate is driven downward by the extension of the cylinder, so that the first hinged plate pushes the two blocking rods to deflect in opposite directions and squeezes the two tilting rods to deflect, thereby driving the two spring telescopic blocks to move in opposite directions to fix a PVC foam material between the two spring telescopic blocks, and then the cylinder continues to extend to push the two blocking rods to deflect in opposite directions, thereby releasing the obstruction to the PVC foam material in the guide rail. At this time, a PVC foam material on the lower side of the inverted U-shaped plate slides left inside the guide rail and contacts the inner side of the L-shaped baffle, and then the PVC foam material is cut with the help of the cutting knife as the cylinder continues to extend to prevent it from being too long;

[0023] S2: Then the cut PVC foam material is released by retracting and resetting the cylinder; when the trimmed PVC foam material slides to the right side of the top surface of the conveying platform, the PVC foam material is pushed to the left by the pushing mechanical arm, so that it moves to the left to the lower side of the L-shaped pressure column;

[0024] If it pushes the L-shaped pressure column to deflect, it means that its height is higher than the standard value. When the L-shaped pressure column deflects counterclockwise, it drives the inclined rod at the rear end of the cylinder to deflect counterclockwise, squeezing the rectangular block inside the L-shaped push plate to move downward. At this time, the rotary motor drives the disc to rotate, so that the second hinged plate and the push block cooperate to push the L-shaped push plate forward, and then the rectangular block after moving downward resists the PVC foam material to move forward, and the PVC foam material whose height does not meet the standard value is removed from the conveying platform;

[0025] S3: If the height of the PVC foam material meets the standard value, when it moves to the front side of the L-shaped push plate, the rotary motor drives the disc to rotate and drives the second spring telescopic rod in the L-shaped push plate to compress and squeeze the PVC foam material, so that the PVC foam material squeezes the wedge block downward, and the PVC foam material whose thickness does not meet the standard value is removed from the conveying platform;

[0026] S4: When the PVC foam material that meets the standard size is conveyed to the rear side of the corona lamp under the action of the conveyor belt, the PVC foam material is illuminated by the corona lamp, the plasma generator is running, and the raw materials in the storage box are extracted by the circulation pump and sprayed out through the nozzle, and the raw materials are sprayed onto the PVC foam material after passing through the plasma generator, thus completing the spraying of the PVC foam material by the device.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] In the present invention, the inverted U-shaped plate is driven downward by extending the cylinder, so that the first hinged plate pushes the two blocking rods to deflect away from each other and squeezes the two tilting rods to deflect, thereby driving the two spring telescopic blocks to move toward each other to fix a PVC foam material between the two spring telescopic blocks, and then the cylinder continues to extend to push the two blocking rods to deflect away from each other, thereby releasing the obstruction to the PVC foam material in the guide rail. At this time, a PVC foam material on the lower side of the inverted U-shaped plate slides left inside the guide rail and contacts the inner side of the L-shaped baffle, and then as the cylinder continues to extend, the PVC foam material is cut with the cutting knife to prevent it from being too long.

[0029] In the present invention, when the L-shaped pressure column deflects counterclockwise, it drives the inclined rod at the rear end of the cylinder to deflect counterclockwise, squeezing the rectangular block inside the L-shaped push plate to move downward. At this time, the disc is driven to rotate by the rotating motor, so that the second hinged plate and the push block cooperate to push the L-shaped push plate forward, and then the rectangular block that moves downward resists the PVC foam material to move forward, so that the PVC foam material whose height does not meet the standard value is removed from the conveying platform.

[0030] In the present invention, the rotary motor drives the disc to rotate and drives the second spring telescopic rod in the L-shaped push plate to compress and squeeze the PVC foam material, so that the PVC foam material squeezes the wedge block downward, and the PVC foam material whose thickness does not meet the standard value is removed from the conveying platform.

[0031] In the present invention, after the PVC foam material meeting the standard size is conveyed to the rear side of the corona lamp under the action of the conveyor belt, the PVC foam material is illuminated by the corona lamp, the plasma generator is operated, and the raw materials in the storage box are extracted by the circulation pump and sprayed out through the nozzle, and the raw materials are sprayed onto the PVC foam material after passing through the plasma generator, thus completing the spraying of the PVC foam material by the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0033] Figure 2 It is a three-dimensional structural schematic diagram of the plasma spraying mechanism of the present invention;

[0034] Figure 3 It is a schematic diagram of the three-dimensional structure of the guide rail and the spring expansion block of the present invention;

[0035] Figure 4 The three-dimensional structural section of the guide rail of the present invention is Figure 1 ;

[0036] Figure 5 The three-dimensional structure of the guide rail of the present invention is schematically shown in FIG. Figure 2 ;

[0037] Figure 6 For the present invention Figure 5 A magnified view of the structure at center;

[0038] Figure 7 It is a three-dimensional structural schematic diagram of the rotating motor and the disc of the present invention;

[0039] Figure 8 It is a schematic diagram of the three-dimensional structure of the L-shaped push plate and the rectangular block of the present invention;

[0040] Fig. 9 It is a schematic diagram of the three-dimensional unfolding structure of the fourth spring telescopic rod and the clamping slot of the present invention.

[0041] In the figure: 1, conveyor platform; 2, conveyor belt; 3, pressure roller; 4, plasma spraying mechanism; 41, cover; 42, plasma generator; 43, circulation pump; 44, storage box; 45, nozzle; 46, corona lamp; 5, length detection and processing mechanism; 51, guide rail; 52, spring telescopic block; 53, tilting rod; 54, connecting rod; 55, blocking rod; 56, through port; 57, first spring telescopic rod; 58, collecting box; 59, unloading port; 510, cutting knife; 511, L-shaped baffle; 512, inverted U-shaped plate; 513, first hinged plate; 514, cylinder; 6, Thickness detection mechanism; 61, rotating motor; 62, disc; 63, second hinged plate; 64, push block; 65, limit slide rail; 66, L-shaped push plate; 67, rectangular block; 68, L-shaped vertical slide rail; 69, limit frame; 610, third spring telescopic rod; 611, oblique rod; 612, cylinder; 613, L-shaped pressure column; 614, L-shaped fixed plate; 615, connecting plate; 616, second spring telescopic rod; 617, T-shaped guide groove; 618, reset spring telescopic rod; 619, wedge block; 620, fourth spring telescopic rod; 621, slot; 7, push robot arm. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.

[0043] See also Figures 1 to 9 The present invention provides a technical solution: a plasma corona spraying device for PVC foam material production, comprising a conveyor platform 1 arranged on the ground, the conveyor platform 1 is used to convey PVC foam material, a conveyor belt 2 is installed on the top surface of the conveyor platform 1, a pressure roller 3 is abutted on the top surface of the conveyor belt 2, a fixing plate is installed on the pressure roller 3, and the pressure roller 3 is fixed on the conveyor platform 1 through the fixing plate; the pressure roller 3 ensures that the conveyor belt 2 runs more stably on the conveyor platform 1.

[0044] A plasma spraying mechanism 4 is installed on the conveying platform 1 , and the PVC foaming material conveyed on the conveying belt 2 is sprayed by the plasma spraying mechanism 4 .

[0045] In this embodiment, Figure 1 , Figure 2 , Figure 3As shown, the plasma spraying mechanism 4 includes a cover shell 41 fixedly mounted on the middle of the front of the conveying platform 1, a plasma generator 42 is fixedly mounted in the cover shell 41, a circulating pump 43 is also fixedly mounted in the cover shell 41, and the circulating pump 43 is below the plasma generator 42, and a material storage box 44 is fixedly connected to the liquid inlet pipe of the circulating pump 43, and the material storage box 44 is fixedly mounted on the bottom surface of the inner wall of the cover shell 41;

[0046] The liquid outlet pipe of the circulation pump 43 is connected to a nozzle 45, and the nozzle 45 is fixedly mounted on the plasma generator 42;

[0047] A corona lamp 46 is also installed in the housing 41, and the corona lamp 46 is on the upper side of the plasma generator 42. After the raw material ejected from the circulation pump 43 passes through the ion generator 42, the corona lamp 46 illuminates the PVC foaming material to ensure that the raw material is better sprayed onto the PVC foaming material.

[0048] In this embodiment, Figure 1 , Figure 3 , Figure 4 , Figure 5 As shown, a length detection and processing mechanism 5 is obliquely arranged on the right side of the conveyor belt 2, and the length detection and processing mechanism 5 includes a guide rail 51 obliquely fixed on the right side of the conveyor platform 1, and a collection box 58 is fixedly connected to the bottom surface of the guide rail 51, and the collection box 58 is fixed on the right side of the conveyor platform 1;

[0049] Spring expansion blocks 52 are inserted on both sides of the front and rear of the guide rail 51, and the two spring expansion blocks 52 are arranged facing each other. A socket is opened on the end of the spring expansion block 52 away from the guide rail 51, and a tilting rod 53 is inserted in the socket of the spring expansion block 52. A connecting rod 54 is hinged on the right side of the middle of the tilting rod 53, and the connecting rod 54 is fixed on the outer side of the guide rail 51;

[0050] The left end of the tilting rod 53 is in contact with a blocking rod 55, which is composed of an L-shaped plate and a vertical plate, and is inserted into a through opening 56 opened on the outside of the guide rail 51. One end of the blocking rod 55 is hinged on the top surface of the collecting box 58, and a first spring telescopic rod 57 is hinged on the side of the blocking rod 55, and the end of the first spring telescopic rod 57 away from the blocking rod 55 is hinged on the top surface of the collecting box 58, and a discharge port 59 is opened on the top surface of the collecting box 58.

[0051] In this embodiment, Figure 1 , Figure 3 , Figure 4 , Figure 5As shown, an opening is provided at the bottom of the inner wall of the guide rail 51, and the opening is communicated with the discharge port 59. A cutting knife 510 is also slidably arranged in the guide rail 51, and an L-shaped baffle 511 is fixedly connected to the cutting knife 510. The vertical plate of the L-shaped baffle 511 passes through the rectangular groove provided on the guide rail 51 and is movably inserted in the discharge port 59 to ensure that the L-shaped baffle 511 can be withdrawn from the discharge port 59. An inverted U-shaped plate 512 is fixedly connected to one end of the L-shaped baffle 511, and first hinged plates 513 are hinged at both ends of the inverted U-shaped plate 512, and the end of the first hinged plate 513 away from the inverted U-shaped plate 512 is in contact with the right-angle groove on the top surface of the blocking rod 55; tension springs are connected between the two ends of the inverted U-shaped plate 512 and the two first hinged plates 513 to ensure that there is an obtuse angle between the inverted U-shaped plate 512 and the first hinged plate 513.

[0052] The L-shaped baffle 511 is also fixedly connected to a cylinder 514 , and the cylinder 514 is fixedly connected to a thickness detection mechanism 6 .

[0053] In this embodiment, Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, the thickness detection mechanism 6 includes a rotating motor 61 fixed on the right side of the top surface of the conveying platform 1, a disc 62 is fixedly connected to the end of the rotating motor 61, a second hinged plate 63 is rotatably connected to the edge of the end surface of the disc 62, a push block 64 is fixedly connected to the end of the second hinged plate 63 away from the disc 62, a limit slide rail 65 is slidably provided on the bottom of the push block 64, and the limit slide rail 65 is fixed to the top surface of the conveying platform 1;

[0054] The front of the push block 64 abuts against an L-shaped push plate 66, a rectangular block 67 is fixedly connected to the right angle of the inner side of the L-shaped push plate 66, a second spring telescopic rod 616 is also fixedly connected to the inner side of the L-shaped push plate 66, and the second spring telescopic rod 616 is directly below the rectangular block 67, and L-shaped vertical slide rails 68 are overlapped on both sides of the left and right sides of the L-shaped push plate 66, and the two L-shaped vertical slide rails 68 are fixed on the top surface of the conveying platform 1;

[0055] A limit frame 69 is fixedly connected to the top surface of the L-shaped push plate 66, and a third spring telescopic rod 610 is slidably arranged on the inner side of the limit frame 69, and two annular flanges are arranged on the outer sleeve of the third spring telescopic rod 610 to ensure that the limit frame 69 stably drives the third spring telescopic rod 610 to extend, and an inclined rod 611 is fixedly connected to the rear end of the third spring telescopic rod 610, and a cylinder 612 is fixedly connected to the end of the inclined rod 611 away from the third spring telescopic rod 610, and an L-shaped pressure column 613 is fixedly connected to the front end of the cylinder 612;

[0056] The cylinder 612 is rotatably connected to the inner side of the L-shaped fixing plate 614, and the L-shaped fixing plate 614 is fixed on the right side of the top surface of the conveying platform 1. The top surface of the L-shaped fixing plate 614 is fixedly connected to two connecting plates 615, and the two connecting plates 615 are fixed on both sides of the front and rear of the cylinder 514;

[0057] A T-shaped guide groove 617 is opened on the right side of the top surface of the conveyor platform 1, and a return spring telescopic rod 618 is fixedly connected to the bottom surface of the inner wall of the T-shaped guide groove 617. A wedge block 619 is fixedly connected to the top of the return spring telescopic rod 618, and the wedge block 619 slides in the T-shaped guide groove 617.

[0058] In this embodiment, Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, the front end of the L-shaped fixing plate 614 is fixedly connected with a fourth spring telescopic rod 620, the lower end of which is an isosceles trapezoid, and the lower end of which is in contact with a slot 621 provided on the side of the cylinder 612. The fourth spring telescopic rod 620 is in contact with the slot 621, thereby increasing the resistance to the deflection of the L-shaped pressure column 613.

[0059] In this embodiment, Figure 1 , Figure 3 , Figure 5 , Figure 6 , Figure 7 As shown, a pushing mechanical arm 7 is installed on the top surface of the conveying platform 1.

[0060] The use method and advantages of the present invention: The use method of the plasma corona spraying device for producing PVC foaming materials, the working process is as follows:

[0061] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown:

[0062] S1: The PVC foam material to be sprayed is conveyed into the guide rail 51, and the PVC foam material is blocked by the blocking rod 55. The cylinder 514 is extended to drive the L-shaped baffle plate 511 and the inverted U-shaped plate 512 to move downward, so that the first hinge plates 513 at both ends of the inverted U-shaped plate 512 move downward and respectively contact the two blocking rods 55, and then push the two blocking rods 55 to deflect in opposite directions; and when the two blocking rods 55 deflect in opposite directions, the two tilting rods 53 are squeezed to deflect, so that the two spring expansion blocks 52 move toward each other and contact a PVC foam material between the two spring expansion blocks 52. The PVC foam material is fixed on the guide rail 51, and after the PVC foam material is fixed, the cylinder 514 continues to extend to push the two blocking rods 55 to deflect in opposite directions, thereby releasing the blocking of the PVC foam material in the guide rail 51. At this time, a PVC foam material on the lower side of the inverted U-shaped plate 512 slides to the left along the inside of the guide rail 51 and contacts the inner side of the L-shaped baffle 511. Then, as the cylinder 514 continues to extend, the L-shaped baffle 511 and the cutting knife 510 continue to move downward to cut the PVC foam material to prevent it from being too long.

[0063] S2: The cylinder 514 is then retracted and reset, driving the L-shaped baffle plate 511 and the inverted U-shaped plate 512 to move upward, and the inverted U-shaped plate 512 moves upward to pull the two first hinged plates 513 and the two blocking rods 55 apart, prompting the first spring telescopic rod 57 to push the two blocking rods 55 to reset, thereby driving the two tilting rods 53 to deflect and pull the two spring telescopic blocks 52 to move in opposite directions, thereby releasing the clamping of the PVC foam material. The device reciprocates in this way to trim the length of the PVC foam material.

[0064] S3: After the trimmed PVC foam material slides to the right side of the top surface of the conveying platform 1, the PVC foam material is pushed to the left by the pushing mechanical arm 7. When the PVC foam material moves to the left to the lower side of the L-shaped pressure column 613, if it pushes the L-shaped pressure column 613 to deflect, it means that its height is higher than the standard value. When the L-shaped pressure column 613 deflects counterclockwise, it will drive the inclined rod 611 at the rear end of the cylinder 612 to deflect counterclockwise, squeezing the L-shaped push plate 66 and the rectangular block 67 inside it to slide downward between the two L-shaped vertical slide rails 68. At this time, the disc 62 is driven to rotate by the rotating motor 61, so that the second hinged plate 63 drives the push block 64 at its end to push the L-shaped push plate 66 forward, and then the rectangular block 67 after moving downward resists the PVC foam material to move forward, and squeezes the wedge block 619 to move downward, so that the PVC foam material whose height does not meet the standard value is removed from the conveying platform 1.

[0065] S4: If the height of the PVC foam material meets the standard value, when it moves to the front side of the L-shaped push plate 66, the rotary motor 61 drives the disc 62 to rotate and drives the second spring telescopic rod 616 in the L-shaped push plate 66 to compress and squeeze the PVC foam material, so that the PVC foam material squeezes the wedge block 619 downward, and the PVC foam material whose thickness does not meet the standard value is removed from the conveying platform 1;

[0066] S5: When the PVC foam material that meets the standard size is conveyed to the rear side of the corona lamp 46 under the action of the conveyor belt 2, the PVC foam material is illuminated by the corona lamp 46, the plasma generator 42 is running, and the raw materials in the storage box 44 are extracted by the circulation pump 43 and sprayed out through the nozzle 45, and the raw materials are sprayed onto the PVC foam material after passing through the plasma generator 42, thus completing the spraying of the PVC foam material by the device.

[0067] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A plasma corona spraying device for producing PVC foam material, comprising a conveying platform (1) arranged on the ground, the conveying platform (1) being used for conveying PVC foam material, characterized in that: A conveyor belt (2) is installed on the top surface of the conveyor platform (1), a pressure roller (3) is in contact with the top surface of the conveyor belt (2), a fixing plate is installed on the pressure roller (3), and the pressure roller (3) is fixed to the conveyor platform (1) via the fixing plate; The conveying platform (1) is provided with a plasma spraying mechanism (4), and the PVC foaming material conveyed on the conveying belt (2) is sprayed by the plasma spraying mechanism (4); The plasma spraying mechanism (4) comprises a cover shell (41) fixedly mounted on the middle part of the front face of the conveying platform (1), a plasma generator (42) fixedly mounted in the cover shell (41), a circulation pump (43) fixedly mounted in the cover shell (41), and the circulation pump (43) is located below the plasma generator (42), a material storage box (44) fixedly connected to a liquid inlet pipe of the circulation pump (43), and the material storage box (44) fixedly mounted on the bottom surface of the inner wall of the cover shell (41); A nozzle (45) is connected to the liquid outlet pipe of the circulation pump (43), and the nozzle (45) is fixedly mounted on the plasma generator (42); A corona lamp (46) is also installed in the housing (41), and the corona lamp (46) is located on the upper side of the plasma generator (42); A length detection and processing mechanism (5) is obliquely arranged on the right side of the conveyor belt (2), the length detection and processing mechanism (5) comprising a guide rail (51) obliquely fixed on the right side of the conveyor platform (1), a collecting box (58) is fixedly connected to the bottom surface of the guide rail (51), and the collecting box (58) is fixed on the right side of the conveyor platform (1), and a material discharge port (59) is provided on the top surface of the collecting box (58); An opening is provided at the bottom of the inner wall of the guide rail (51), and the opening is communicated with the material discharge port (59). A cutting knife (510) is slidably arranged in the guide rail (51). An L-shaped baffle (511) is fixedly connected to the cutting knife (510). The vertical plate of the L-shaped baffle (511) passes through the guide rail (51) and is movably inserted into the material discharge port (59). An inverted U-shaped plate (512) is fixedly connected to one end of the L-shaped baffle (511). Both ends of the inverted U-shaped plate (512) are hinged with a first hinge plate (513), and the end of the first hinge plate (513) away from the inverted U-shaped plate (512) abuts against a right-angle groove on the top surface of the blocking rod (55). The L-shaped baffle (511) is also fixedly connected to a cylinder (514), and the cylinder (514) is fixedly connected to a thickness detection mechanism (6); The thickness detection mechanism (6) comprises a rotating motor (61) fixed on the right side of the top surface of the conveying platform (1), a disc (62) is fixedly connected to the end of the rotating motor (61), a second hinged plate (63) is rotatably connected to the edge of the end surface of the disc (62), a push block (64) is fixedly connected to the end of the second hinged plate (63) away from the disc (62), a limit slide rail (65) is slidably arranged on the bottom of the push block (64), and the limit slide rail (65) is fixed to the top surface of the conveying platform (1); The front side of the push block (64) abuts against an L-shaped push plate (66), a rectangular block (67) is fixedly connected at a right angle inside the L-shaped push plate (66), a second spring telescopic rod (616) is also fixedly connected inside the L-shaped push plate (66), and the second spring telescopic rod (616) is directly below the rectangular block (67), and L-shaped vertical slide rails (68) are overlapped on both sides of the L-shaped push plate (66), and the two L-shaped vertical slide rails (68) are fixed on the top surface of the conveying platform (1); A limiting frame (69) is fixedly connected to the top surface of the L-shaped push plate (66), a third spring telescopic rod (610) is slidably arranged on the inner side of the limiting frame (69), an inclined rod (611) is fixedly connected to the rear end of the third spring telescopic rod (610), a cylinder (612) is fixedly connected to the end of the inclined rod (611) away from the third spring telescopic rod (610), and an L-shaped pressure column (613) is fixedly connected to the front end of the cylinder (612); The cylinder (612) is rotatably connected to the inner side of an L-shaped fixing plate (614), and the L-shaped fixing plate (614) is fixed to the right side of the top surface of the conveying platform (1), and the top surface of the L-shaped fixing plate (614) is fixedly connected to two connecting plates (615), and the two connecting plates (615) are fixed to the front and rear sides of the cylinder (514); A T-shaped guide groove (617) is provided on the right side of the top surface of the conveying platform (1); a return spring telescopic rod (618) is fixedly connected to the bottom surface of the inner wall of the T-shaped guide groove (617); a wedge block (619) is fixedly connected to the top end of the return spring telescopic rod (618), and the wedge block (619) slides in the T-shaped guide groove (617).

2. The plasma corona spraying device for producing PVC foam material according to claim 1, characterized in that: Spring expansion blocks (52) are inserted on both sides of the front and rear of the guide rail (51), and the two spring expansion blocks (52) are arranged opposite to each other. A socket is provided on one end of the spring expansion block (52) away from the guide rail (51), and a tilting rod (53) is inserted in the socket of the spring expansion block (52). A connecting rod (54) is hinged on the right side of the middle part of the tilting rod (53), and the connecting rod (54) is fixed on the outer side of the guide rail (51).

3. The plasma corona spraying device for producing PVC foam material according to claim 2, characterized in that: The left end of the tilting rod (53) abuts against a blocking rod (55), and the blocking rod (55) is inserted into a through hole (56) opened on the outside of the guide slide rail (51), one end of the blocking rod (55) is hinged to the top surface of the collection box (58), a first spring telescopic rod (57) is hinged to the side surface of the blocking rod (55), and the end of the first spring telescopic rod (57) away from the blocking rod (55) is hinged to the top surface of the collection box (58).

4. The plasma corona spraying device for producing PVC foam material according to claim 1, characterized in that: A fourth spring telescopic rod (620) is fixedly connected to the front end of the L-shaped fixing plate (614); the lower end of the fourth spring telescopic rod (620) is an isosceles trapezoid, and the lower end of the fourth spring telescopic rod (620) abuts against a slot (621) provided on the side of the cylinder (612).

5. The plasma corona spraying device for producing PVC foam material according to claim 1, characterized in that: A pushing mechanical arm (7) is installed on the top surface of the conveying platform (1).

6. A method for using a plasma corona spraying device for producing PVC foaming materials, using the plasma corona spraying device for producing PVC foaming materials as described in any one of claims 1 to 5, characterized in that: The steps include: S1: The PVC foam material to be sprayed is conveyed into the guide rail (51), and the cylinder (514) is extended to drive the inverted U-shaped plate (512) to move downward, so that the first hinged plate (513) pushes the two blocking rods (55) to deflect in opposite directions and squeezes the two tilting rods (53) to deflect, thereby driving the two spring telescopic blocks (52) to move in opposite directions to fix a PVC foam material between the two spring telescopic blocks (52), and then the cylinder (514) continues to extend to push the two blocking rods (55) to deflect in opposite directions, thereby releasing the obstruction of the PVC foam material in the guide rail (51), and at this time, a PVC foam material on the lower side of the inverted U-shaped plate (512) slides leftward inside the guide rail (51) and contacts the inner side of the L-shaped baffle (511), and then as the cylinder (514) continues to extend, the cutting knife (510) is used to cut the PVC foam material to prevent it from being too long; S2: The cylinder (514) is then retracted and reset to release the cut PVC foam material; when the trimmed PVC foam material slides to the right side of the top surface of the conveying platform (1), the pushing mechanical arm (7) pushes the PVC foam material to the left, so that it moves to the left to the lower side of the L-shaped pressure column (613); If it pushes the L-shaped pressure column (613) to deflect, it means that its height is higher than the standard value. When the L-shaped pressure column (613) deflects counterclockwise, it drives the inclined rod (611) at the rear end of the cylinder (612) to deflect counterclockwise, squeezing the rectangular block (67) inside the L-shaped push plate (66) to move downward. At this time, the disc (62) is driven to rotate by the rotating motor (61), so that the second hinged plate (63) and the push block (64) cooperate to push the L-shaped push plate (66) forward, and then the rectangular block (67) that has moved downward resists the PVC foam material to move forward, so that the PVC foam material whose height does not meet the standard value is removed from the conveying platform (1); S3: If the height of the PVC foam material meets the standard value, when it moves to the front side of the L-shaped push plate (66), the rotary motor (61) drives the disc (62) to rotate, driving the second spring telescopic rod (616) in the L-shaped push plate (66) to compress and squeeze the PVC foam material, so that the PVC foam material squeezes the wedge block (619) downward, and the PVC foam material whose thickness does not meet the standard value is removed from the conveying platform (1); S4: When the PVC foam material that meets the standard size is conveyed to the rear side of the corona lamp (46) under the action of the conveyor belt (2), the PVC foam material is illuminated by the corona lamp (46), the plasma generator (42) is operated, and the raw material in the storage box (44) is extracted by the circulation pump (43) and sprayed out through the nozzle (45), and the raw material passes through the plasma generator (42) and is sprayed onto the PVC foam material, so that the device completes the spraying of the PVC foam material.

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