Sprinkler device for PVC coated fabric

Abstract

The invention discloses a nozzle device for PVC coated cloth, comprising a bottom plate, mounting plates welded at both ends of the top of the bottom plate, sliding bearings fixed at the tops of the front and rear ends of the two mounting plates, sliding shafts slidingly arranged in the two sliding shafts on the same side, a number of nozzles arranged at equal intervals fixed on the sliding shafts through positioning seats, a liquid inlet pipe fixing ring welded and fixed in the middle of the two mounting plates, an axial hole is provided in the middle of the liquid inlet pipe fixing ring and a liquid inlet pipe is fixed, a liquid outlet screw port is correspondingly welded and connected at the front and rear ends of the liquid inlet pipe, the liquid inlet end of the nozzle is connected to the liquid outlet screw port hose, and the air inlet end of the nozzle is inhaled through a series of air inlet pipeline structures; the same end side of the two sliding shafts is rotatably connected to a swing connection mechanism, and the other end side of one of the sliding shafts is rotatably connected to a swing mechanism to drive the two sliding shafts to swing horizontally. The nozzle device for PVC coated cloth of the invention can swing for spraying, so that the spraying is more uniform.

Description

Technical Field

[0001] The invention relates to the technical field of PVC coated cloth, in particular to a nozzle device with a swingable nozzle for PVC coated cloth. Background Art

[0002] Coated cloth uses solvent to dissolve the required coating rubber particles (PU glue, A / C glue, PVC, PE glue) into a drooling state and then evenly applies it to the cloth with a scraper. It is then fixed at a high temperature in an oven to form a uniform layer of covering rubber on the surface of the fabric, thereby achieving waterproof, windproof, breathable and other functions.

[0003] At present, PVC coated cloth is often directly coated on the base cloth with a scraper. The surface style is relatively simple and mostly solid colors. Therefore, it is necessary to give the coated cloth special colors and lines to increase the richness of the color lines. Conventional sprayers obviously cannot meet production requirements. Summary of the invention

[0004] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, one purpose of the present invention is to provide a nozzle device for PVC coated cloth, which can swing for spraying, so that the spraying is more uniform and the spraying reliability is higher, and it can replace the traditional nozzle.

[0005] The technical solution of the present invention is as follows:

[0006] A nozzle device for PVC coated cloth comprises a base plate, mounting plates are welded at both ends of the top of the base plate, sliding bearings are fixed at the tops of the front and rear ends of the two mounting plates, sliding shafts are slidably arranged in the two sliding shafts on the same side, a number of nozzles arranged at equal intervals are fixed on the sliding shafts through positioning seats, a liquid inlet pipe fixing ring is welded and fixed in the middle of the two mounting plates, an axial hole is opened in the middle of the liquid inlet pipe fixing ring and a liquid inlet pipe is fixed, liquid outlet screw ports are correspondingly welded and connected at the front and rear ends of the liquid inlet pipe, the liquid inlet end of the nozzle is connected to the liquid outlet screw hose, and the air inlet end of the nozzle is inhaled through a series of air inlet pipeline structures; the same end side of the two sliding shafts is rotatably connected to a swing connection mechanism, and the other end side of one of the sliding shafts is rotatably connected to a swing mechanism to drive the two sliding shafts to swing horizontally.

[0007] Furthermore, a fastening bolt is screwed on the top of the fixing ring to fix the liquid inlet pipe.

[0008] Furthermore, fixing mechanisms are fixed at both ends of the base plate for installing and fixing the nozzle device, and the fixing mechanism includes a connecting side plate welded and fixed to both ends of the base plate, and two screw holes are provided on the connecting side plate. The outer sides of the two connecting side plates are screwed with mounting side plates, and the upper part of the mounting side plate is also provided with a plurality of mounting holes for fixing it on the frame.

[0009] Furthermore, two through adjustment slots are provided at the lower portion of the mounting side plate, and the mounting side plate is screwed to the connecting side plate via positioning bolts passing through the adjustment slots.

[0010] Furthermore, the swing mechanism includes a reducer, which is bolted to a reducer mounting base welded to a base plate, the input shaft of the reducer is connected to an input wheel and is connected to the motor through a belt drive, the output shaft of the reducer is connected to an output wheel, a screw hole is eccentrically opened at the top of the output wheel, a pin is screwed on the screw hole, and a connecting ring is rotatably connected to the pin, one end of the connecting ring has a rotating connecting through hole hinged to the pin, and the other end of the connecting ring has an internal threaded hole and is screwed to a connecting screw, the other end of the connecting screw is also screwed to a connecting ring, the other end of the connecting ring is hinged to a connecting block, and the end side of the connecting block is screwed and fixed to the end side of the sliding shaft.

[0011] Furthermore, four support screws are fixed on the reducer mounting base through nuts, and a motor mounting seat is fixed on the upper part of the support screw for mounting the motor, which is used to connect the drive reducer.

[0012] Furthermore, the swing connection mechanism includes a rotating base welded to the middle part of the base plate, a screw hole is provided in the middle part of the top end of the rotating base, a rotating rod is hinged on the top of the rotating base, a fine-tuning slot is provided on the end side of the rotating rod, a connecting block is hinged in the fine-tuning slot through a pin shaft, and the end side of the connecting block is screwed to the sliding shaft.

[0013] Furthermore, the fine-tuning slot is a rectangular through slot with an arc-shaped limiting protrusion on the inner side.

[0014] Furthermore, a fixing opening is provided in the middle of the positioning seat, and an opening is provided at one end of the positioning seat, a threaded countersunk hole is provided at the open end of the positioning seat, a threaded hole is provided below the threaded countersunk hole, a fixing block is welded and fixed on the side of the positioning seat away from the open end, two clamping rings are provided on both sides of the positioning seat, the nozzle is provided in the two clamping rings, screw holes are also provided on the clamping ring, and the nozzle is firmly fixed by tightening screws.

[0015] Furthermore, an adjustable support plate is fixed above the sliding bearing near the swinging mechanism through four adjusting screws, and correspondingly, a support block is fixed on the sliding shaft through a positioning seat, a support plate is fixed on the top of the adjustable support plate and the support block, and a sliding through hole is correspondingly opened on the top of the two support plates, and a positioning sliding shaft is slidably arranged in the sliding through hole, and one end of the positioning sliding shaft is fixed to the support plate on the left side.

[0016] Furthermore, the air intake pipeline structure includes a plurality of T-shaped tees connected in series through a hose, the two ends of the T-shaped tee are respectively connected to the hose, and the T-shaped output end of the T-shaped tee is connected to the air intake end of the nozzle through the hose.

[0017] The beneficial effects of the present invention are as follows: by setting a swingable sliding shaft, the nozzle on the sliding shaft is driven to swing, so that the spraying is more uniform, which can replace the traditional coating type scraping; a fixing mechanism is set, and the height of the mounting side plate in the fixing mechanism can be adjusted, so as to adjust the horizontality of the bottom plate and ensure the uniformity of the spraying; by setting a swinging connection mechanism to drive the two sliding shafts to swing back and forth, and setting a rectangular fine-tuning groove with an arc-shaped limiting protrusion on the inner side on the rotating rod, it is convenient for the rotating shaft of the pin shaft to slide and rotate in the fine-tuning groove, so as to ensure that the two sliding shafts can swing smoothly, avoid excessive force at the hinge, and have a certain buffer margin; an adjustable support plate is set on the sliding bearing, and the horizontality can be adjusted by adjusting the screw at the bottom of the adjustable support plate, so as to ensure that the positioning sliding shaft can slide and position in the sliding through hole in the support plate, ensure that the reducer drives the sliding shaft to swing more stably, and ensure stability during spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the top view of the nozzle device for PVC coated cloth proposed by the present invention (the motor mounting structure of the driving reducer is omitted);

[0020] Figure 2 for Figure 1 The main structural view after adding the positioning and stabilization device;

[0021] Figure 3 for Figure 2 A schematic diagram of a top view structure;

[0022] Figure 4 It is a structural schematic diagram of the positioning seat;

[0023] Figure 5 It is a structural schematic diagram of the nozzle fixing mechanism;

[0024] Figure 6 A schematic diagram of the structure of the liquid inlet pipe fixing ring;

[0025] Figure 7 The schematic diagram of the structure for installing the side panel is shown below;

[0026] Figure 8 is a structural schematic diagram of a connecting ring;

[0027] Fig. 9 It is a schematic diagram of the structure of the intake pipe.

[0028] In the figure: 1-base plate; 2-mounting plate; 3-sliding bearing; 31-adjustable support plate; 32-support block; 33-support plate; 34-positioning slide shaft; 35-adjusting screw; 4-slide shaft; 5-spray head; 6-positioning seat; 61-fixing port; 62-threaded countersunk hole; 7-fixing block; 71-clamping ring; 72-fastening screw; 8-liquid inlet pipe fixing ring; 81-liquid inlet pipe; 82-liquid outlet screw port; 83-fastening bolt; 9-fixing mechanism; 91-connecting side plate; 92-installation Install the side plate; 921-adjustment slot; 922-mounting hole; 93-positioning bolt; 10-reducer; 101-reducer mounting base; 102-input wheel; 103-output wheel; 104-support screw; 105-motor mounting seat; 11-connecting ring; 111-connecting screw; 112-rotating connecting hole; 12-rotating base; 121-rotating rod; 122-fine-tuning slot; 13-connecting block; 14-pin shaft; 15-T-type tee; 151-hose. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] Reference Figure 1 A nozzle device for PVC coated cloth comprises a bottom plate 1, mounting plates 2 are welded at both ends of the top of the bottom plate 1, sliding bearings 3 are correspondingly installed at both ends of the two mounting plates 2 (front and back), sliding shafts 4 are slidably arranged in the two corresponding sliding shafts 3 on the same side, and a plurality of nozzles 5 arranged at equal intervals are fixed on the sliding shafts 4 through positioning seats 6, and the nozzles 5 are commercially available gas-liquid mixing nozzles (such as models ST-5 / ST-6), and a liquid inlet pipe fixing ring 8 is correspondingly welded and fixed at the middle of the two mounting plates 2, an axial hole is opened in the middle of the liquid inlet pipe fixing ring 8 and a liquid inlet pipe 81 is fixed (the liquid inlet pipe 81 is a water pipe with one end open and the other end sealed), and a fastening bolt 83 is screwed on the top of the fixing ring 8 for fixing the liquid inlet pipe 81 (such as Figure 6As shown), the two ends of the liquid inlet pipe 81 (front and back) are correspondingly welded to each other with a liquid outlet screw port 82, the liquid inlet end of the nozzle 5 is connected to the liquid outlet screw port 82 via a (single-pass quick connector and) a hose, and the air inlet end of the nozzle 5 is inhaled through a series air inlet pipeline structure; the same end side of the two sliding shafts 4 is rotatably connected to a swing connection mechanism, and the other end side of one of the sliding shafts 4 is rotatably connected to a swing mechanism to drive the two sliding shafts 4 to swing horizontally, thereby driving the nozzle 5 thereon to swing, so that the spraying is more uniform, which can replace the traditional coating-type scraping.

[0032] Reference Figure 1 , Figure 2 and Figure 7 A fixing mechanism 9 is fixed at both ends of the bottom plate 1 for installing and fixing the nozzle device. The fixing mechanism 9 includes a connecting side plate 91 welded and fixed to both ends of the bottom plate 1. Two screw holes are opened on the connecting side plate 91. The outer sides of the two connecting side plates 91 are screwed with mounting side plates 92. Figure 7 Two through adjustment slots 921 are provided at the lower part of the mounting side plate 92. The mounting side plate 92 is screwed to the connecting side plate 91 through positioning bolts 93 (with gaskets) passing through the adjustment slots 921. The height of the mounting side plate 92 can be adjusted to adjust the horizontality of the base plate 1. In addition, a plurality of mounting holes 922 are provided at the upper part of the mounting side plate 92 for fixed installation on the rack.

[0033] Reference Figure 1 , Figure 8 The swing mechanism includes a reducer 10, which is a commercially available worm gear reducer. The reducer 10 is bolted to a reducer mounting base 101 welded on the base plate 1. The input shaft of the reducer 10 is connected to an input wheel 102 and is connected by a motor (not shown) through a belt drive. The output shaft of the reducer 10 is connected to an output wheel 103. An eccentric screw hole is provided at the top of the output wheel 103. A pin is screwed on the screw hole. A connecting ring 11 is rotatably connected to the connecting ring 11 through the pin. A rotatable connecting through hole 112 is provided at one end of the connecting ring 11 and is hinged to the pin (obviously the rotatable connecting through hole The inner diameter of 112 matches the inner diameter of the pin shaft), and the other end of the connecting ring 11 is provided with an internal threaded hole and is screwed with a connecting screw 111 (a nut can be screwed on the connecting screw 111 for position fixing), and the other end of the connecting screw 111 is also screwed with a connecting ring 11, and the other end of the connecting ring 11 is hinged with a connecting block 13, wherein a screw hole is also provided on the top of the connecting block 13, and the rotating connecting through hole 112 of the connecting ring 11 is hingedly connected with the connecting block 13 through the pin shaft, and the end side of the connecting block 13 is screwed and fixed with the end side of the sliding shaft 4, thereby realizing the connection between the sliding shaft 4 and the swing mechanism. For further reference Figure 2 Four support screws 104 are fixed on the reducer mounting base 101 through nuts, and a motor mounting seat 105 is fixed on the upper part of the support screw 104 for mounting the motor, which is used to connect the drive reducer 10.

[0034] Reference Figure 1 and Figure 2 The swing connection mechanism includes a rotating base 12 welded to the middle part of the base plate 1, a screw hole is opened in the middle part of the top of the rotating base 12, a rotating rod 121 is hinged on the top of the rotating base 12 (a pin is screwed on the screw hole), a fine-tuning slot 122 is opened on the end side of the rotating rod 121, and a connecting block 13 is hinged in the fine-tuning slot 122 through a pin 14 (a screw hole is opened on the top of the connecting block 13, and the fine-tuning slot 122 of the rotating rod 121 is hingedly connected to the connecting block 13 through the pin 14), and the end side of the connecting block 13 is screwed to the sliding shaft 4. Among them, the fine-tuning slot 122 is a rectangular through slot with an arc-shaped limiting protrusion on the inner side (the width of the rectangular part of the fine-tuning slot 122 is slightly larger than the axial diameter of the pin 14, and the arc-shaped limiting protrusion can limit the pin 14 to prevent the pin 14 from sliding too far during the swinging process). It is convenient for the rotating shaft of the pin 14 to slide and rotate in the fine-tuning slot 122, ensuring that the two sliding shafts 4 can swing smoothly, avoiding excessive force at the hinge, and having a certain buffer margin.

[0035] Reference Figure 4 and Figure 5 A fixing opening 61 is provided in the middle of the positioning seat 6, and one end of the positioning seat 6 is open, a threaded countersunk hole 62 is provided at the open end of the positioning seat 6, and a threaded hole is provided below the threaded countersunk hole 62 for bolts to pass through the open end for screwing and fixing, a fixing block 7 is welded and fixed on the side of the positioning seat 6 away from the open end, and two retaining rings 71 are provided on both sides of the positioning seat 6 for the fixing block 7, the nozzle 5 is arranged in the two retaining rings 71, and screw holes are also provided on the retaining rings 71, and the nozzle 5 is firmly fixed by tightening screws 72.

[0036] Further references Figure 2 and Figure 3 An adjustable support plate 31 is fixed above the sliding bearing 3 near the swing mechanism through four adjusting screws 35 (matching nuts). Correspondingly, a support block 32 is fixed on the sliding shaft 4 through a positioning seat 6 (welding). A support plate 33 is fixed on the top of each of the adjustable support plate 31 and the support block 32. A sliding through hole is correspondingly provided on the top of the two support plates 33. A positioning sliding shaft 34 is slidingly arranged in the sliding through hole. One end of the positioning sliding shaft 34 is fixed to the left support plate 33 (near the swing mechanism) through a nut. The bottom of the right support plate 33 is threaded and fixed to the middle of the adjustable support plate 31 through a nut. The bottom of the adjustable support plate 31 can be adjusted to a horizontal degree through an adjusting screw 35, thereby ensuring that the positioning sliding shaft 34 can slide and position in the sliding through hole, ensuring that the reducer 10 in the swing mechanism drives the sliding shaft 4 to swing stably, and ensuring stability during spraying.

[0037] like Fig. 9The air intake pipeline structure includes a plurality of T-shaped tees 15 connected in series through a hose 151. The T-shaped tee 15 is a conventional T-shaped tee quick connector available on the market. The two ends of the straight line of the T-shaped tee 15 are respectively connected to the hose 151, and the output end of the T-shaped tee is connected to the air intake end of the nozzle 5 through the hose. When actually used, the air intake pipeline structure is fixed to the top of the liquid inlet pipe 81 (tied on the T-shaped tee) by a strapping tape.

[0038] When in use, it is only necessary to first install and fix the device on the frame through the fixing mechanism 9 to ensure that the nozzle 5 sprays the PVC coating material vertically downward, connect the feed pipe through the liquid inlet pipe 81 port, connect the liquid outlet screw 82 to the valve and connect the liquid inlet end of the nozzle 5 through a hose (the liquid inlet end of the nozzle 5 is also equipped with a quick connector), and the series air intake pipeline structure is connected to the air intake end hose of the nozzle 5 (the first and second ends of the air intake pipeline structure are provided with valves for controlling and adjusting the air intake). When in use, a better spraying effect can be achieved by adjusting the appropriate air intake and liquid intake pressures; in addition, after starting the motor, the reducer 10 can be driven to operate, and then the output wheel 103 (eccentric rotation) drives the connecting screw 111 connected to one of the sliding shafts 4 to swing back and forth, and the other ends of the two sliding shafts 4 are rotated and connected through the swing connection mechanism to achieve the simultaneous back and forth swing of the two sliding shafts 4.

[0039] In this application, structures and connection relationships that are not described in detail are all prior arts, and their structures and principles are well-known technologies and will not be described in detail here.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A nozzle device for PVC coated cloth, characterized in that: It includes a bottom plate, mounting plates are welded at both ends of the top of the bottom plate, sliding bearings are fixed on the tops of the front and rear ends of the two mounting plates, sliding shafts are slidably arranged in the two sliding bearings on the same side, and a number of nozzles arranged at equal intervals are fixed on the sliding shafts through positioning seats, and a liquid inlet pipe fixing ring is welded and fixed in the middle of the two mounting plates, an axial hole is opened in the middle of the liquid inlet pipe fixing ring and a liquid inlet pipe is fixed, a fastening bolt is screwed on the top of the fixing ring to fix the liquid inlet pipe, and the front and rear ends of the liquid inlet pipe are correspondingly welded and connected with liquid outlet screw ports , the liquid inlet end of the nozzle is connected to the liquid outlet screw hose, and the air inlet end of the nozzle is inhaled through a series of air inlet pipeline structures, the air inlet pipeline structure includes a plurality of T-shaped tees connected in series through hoses, the two ends of the T-shaped tees are respectively connected to the hoses, and the T-shaped output end of the T-shaped tee is connected to the air inlet end of the nozzle through the hose; the same end side of the two sliding shafts is rotatably connected to a swing connection mechanism, and the other end side of one of the sliding shafts is rotatably connected to a swing mechanism to drive the two sliding shafts to swing horizontally; A fixing mechanism is fixed at both ends of the bottom plate for installing and fixing the nozzle device, and the fixing mechanism includes a connecting side plate welded and fixed to both ends of the bottom plate, and two screw holes are provided on the connecting side plate, and the outer sides of the two connecting side plates are screwed with mounting side plates, and the upper part of the mounting side plate is also provided with a plurality of mounting holes for fixing on the frame; the lower part of the mounting side plate is provided with two through adjustment slots, and the mounting side plate is screwed with the connecting side plate through the positioning bolts passing through the adjustment slots; The swing connection mechanism includes a rotating base welded to the middle part of the bottom plate, a screw hole is provided in the middle part of the top of the rotating base, a rotating rod is hinged on the top of the rotating base, a fine-tuning slot is provided on the end side of the rotating rod, a connecting block is hinged in the fine-tuning slot through a pin shaft, the end side of the connecting block is screwed to the sliding shaft, and the fine-tuning slot is a rectangular through slot with an arc-shaped limiting protrusion on the inner side.

2. The nozzle device for PVC coated cloth according to claim 1, characterized in that: The swing mechanism includes a reducer, which is bolted to a reducer mounting base welded on a base plate, an input shaft of the reducer is connected to an input wheel and is connected by a motor through a belt drive, an output shaft of the reducer is connected to an output wheel, an eccentric screw hole is provided at the top of the output wheel, a pin is screwed on the screw hole, a connecting ring is rotatably connected through the pin, a rotating connecting through hole is provided at one end of the connecting ring and is hinged to the pin, and an internal threaded hole is provided at the other end of the connecting ring and is screwed to a connecting screw, the other end of the connecting screw is also screwed to a connecting ring, the other end of the connecting ring is hinged to a connecting block, and the end side of the connecting block is screwed and fixed to the end side of the sliding shaft.

3. The nozzle device for PVC coated cloth according to claim 2, characterized in that: Four support screws are fixed on the reducer mounting base through nuts, and a motor mounting seat is fixed on the upper part of the support screw for mounting the motor, which is used for connecting the drive reducer.

4. The nozzle device for PVC coated cloth according to any one of claims 1 to 3, characterized in that: A fixing opening is provided in the middle of the positioning seat, and an opening is provided at one end of the positioning seat, a threaded countersunk hole is provided at the open end of the positioning seat, a threaded hole is provided below the threaded countersunk hole, a fixing block is welded and fixed on the side of the positioning seat away from the open end, two clamping rings are provided on both sides of the positioning seat, the nozzle is provided in the two clamping rings, screw holes are also provided on the clamping ring, and the nozzle is firmly fixed by tightening screws.

5. The nozzle device for PVC coated cloth according to claim 4, characterized in that: An adjustable support plate is fixed above the sliding bearing near the swinging mechanism through four adjusting screws. Correspondingly, a support block is fixed on the sliding shaft through a positioning seat. A support plate is fixed on the top of the adjustable support plate and the support block. A sliding through hole is correspondingly opened on the top of the two support plates. A positioning sliding shaft is slidably arranged in the sliding through hole, and one end of the positioning sliding shaft is fixed to the support plate on the left side.

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