Automatic PVC spraying system for workshop production

Abstract

The invention relates to the field of automatic PVC spraying equipment, in particular to an automatic PVC spraying system for workshop production, which comprises a feeding device for guiding materials, and a PVC plate is clamped on the inner end surface of the feeding device in an elastic sliding manner. When the all-dimensional spraying device is used for all-dimensional spraying of a PVC plate, the area of the two sets of oppositely-arranged spraying guide seats is far larger than that of the side face of the PVC plate, the uniformity and efficiency of spraying of the outer portion of the PVC plate can be effectively improved, a material collecting box located at the bottom of a supporting clamping frame can receive and collect spraying liquid, filtering operation can be conducted through a filtering baffle, and therefore the spraying efficiency of the outer portion of the PVC plate can be effectively improved. And a follow-up water suction pump can circularly guide spraying liquid into the spraying guide seat through the material guide pipe, so that the spraying efficiency of the equipment on the PVC plates is effectively improved, and meanwhile, the spraying cost of the equipment on the PVC plates is also reduced.

Description

Technical Field

[0001] The invention relates to the technical field of PVC automatic spraying equipment, in particular to a PVC automatic spraying system for workshop production. Background Art

[0002] PVC automatic spraying equipment is a special equipment used for automatic spraying on the surface of PVC materials. PVC automatic spraying equipment atomizes the paint through high-pressure airflow, and sprays it evenly on the surface of PVC materials with the help of nozzles, realizing efficient and accurate spraying operations. This equipment is widely used in production lines of PVC pipes, plates, profiles, doors and windows, furniture and other products to improve production efficiency and product quality.

[0003] For example, the utility model patent disclosed in the publication number is CN218132822U, which is a production spraying device for PVC panels for intelligent spraying, belonging to the field of material processing technology, including a mechanical frame, a conveyor belt, and a spraying bin. A spraying bin is provided on the upper side of one side of the mechanical frame, and a conveyor belt is installed on the upper side of the mechanical frame, and the conveyor belt runs through the spraying bin. A mechanical bracket is fixedly connected to the upper part of one side of the mechanical frame, and a discharge rack base is provided on the outside of the mechanical frame. A lifting and feeding mechanism is provided on the upper side of the discharge rack base, an auxiliary pushing mechanism is provided on one side of the mechanical bracket, and a dust cleaning structure is provided on the lower side of the other side of the mechanical bracket. The utility model realizes that materials can be directly transported from a forklift to the machine through the lifting and feeding mechanism, which reduces manual handling and reduces production costs. The auxiliary pushing mechanism realizes semi-automatic loading, reduces labor and reduces production costs. The dust adhering to the material is cleaned by the dust cleaning structure, thereby improving product quality.

[0004] Although the above equipment can perform spraying operations on PVC sheets, the above equipment can only perform single-sided spraying on the PVC sheets, thereby reducing the efficiency of subsequent spraying of the PVC sheets and increasing the cost of spraying. At the same time, the efficiency of automatic feeding of the above equipment is also insufficient. Therefore, a PVC automatic spraying system for workshop production is needed to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a PVC automatic spraying system for workshop production to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a PVC automatic spraying system for workshop production, comprising a feeding device for guiding materials, wherein a PVC sheet is elastically slidably clamped on the inner end surface of the feeding device,

[0007] A material guiding device, the material guiding device is fixedly arranged at the rear of the front end surface of the PVC plate, and a spraying device for spraying is arranged at the front end surface of the feeding device opposite to the material guiding device;

[0008] A circulation device, wherein the circulation device is fixedly arranged at the center of the lower end surface of the spraying device, and a cover card is fixedly arranged at the center of the upper end surface of the spraying device;

[0009] The circulation device includes a material collection box for collecting materials. A filter baffle is arranged near the middle of the inner end surface of the material collection box, and a water pump is symmetrically arranged on the side end surface of the material collection box. A material guide pipe is fixedly arranged at the center of the upper end surface of the water pump.

[0010] Preferably, the material guiding device comprises a limiting guide seat for support, two groups of alignment clamping plates are arranged on the front end face of the limiting guide seat, and a motor clamping seat is fixedly arranged at the center of the rear end face of the limiting guide seat, a servo motor is arranged on the rear end face of the motor clamping seat, and a transmission clamping shaft is fixedly arranged at the output end of the servo motor, and a guide slide groove is opened on the outer end face of the transmission clamping shaft, the inner end face of the limiting guide seat is slidably clamped with a material guiding push plate through the guide slide groove, a fixed slip ring is fixedly arranged at the center of the rear end face of the material guiding push plate, and a fixed sliding shaft is arranged on the top of the inner end face of the fixed slip ring, and three groups of wedge-shaped alignment clamping plates are equidistantly arranged on the front end face of the material guiding push plate.

[0011] Preferably, the feeding device includes a material storage box for support, a material guide groove is provided on the inner end surface of the material storage box near the front, a material discharge slide is provided on the upper end surface of the material storage box near the rear, a limiting cover plate is fixedly provided at the center of the rear end surface of the material storage box, a limiting slide is slidably engaged with the inner end surface of the limiting cover plate, and a fixed push plate is fixedly provided at the center of the front end surface of the limiting slide, and the limiting slide is elastically fixedly connected to the outside of the limiting cover plate by the spring clamp.

[0012] Preferably, the spraying device includes a supporting bracket for support, the upper and lower parts of the inner end surface of the supporting bracket are equidistantly rotatably clamped with guide rollers, and the side end surfaces of the guide rollers are symmetrically arranged with alignment baffles, the bottom and top of the inner end surface of the supporting bracket are provided with sliding grooves, the two side surfaces of the supporting bracket are provided with spray guide seats, and a liquid storage guide box is fixedly arranged at the center of the side end surfaces of the two groups of spray guide seats, and a liquid inlet guide tank is fixedly arranged at the center of the side end surface of the liquid storage guide box.

[0013] Preferably, a positioning chamfer is provided inside the front end surface of the wedge-shaped alignment card plate, and the limiting guide seat is slidably connected to the inside of the material storage box through the material guide slot. The positioning chamfer at the front of the wedge-shaped alignment card plate can facilitate the subsequent wedge-shaped alignment card plate to block and separate multiple groups of PVC sheets, thereby quickly and accurately loading a single group of PVC sheets one by one.

[0014] Preferably, the fixed slide shaft is matched with the guide slide groove, and the material guide push plate is matched with the guide slide groove through the fixed slide shaft and then slidably engaged inside the limiting guide seat. The guide slide groove is arranged in a circular shape. The guide slide groove can drive the material guide push plate to move inside the limiting guide seat and the material guide slide groove through the circulation of the fixed slide shaft, which can effectively improve the efficiency of subsequent feeding and spraying of PVC sheets.

[0015] Preferably, the width of the PVC sheet is equal to the width of the material guide chute, and the material guide push plate is slidably engaged with the PVC sheet via the wedge-shaped alignment card plate. The material guide chute can not only provide a limiting basis for the material guide push plate to slide and move inside the material storage box, but also facilitate the subsequent rapid and accurate guidance and loading of the PVC sheet by the material guide push plate via the wedge-shaped alignment card plate.

[0016] Preferably, the guide roller is slidably connected to the side of the PVC sheet through the alignment baffle, the two groups of spray guide seats are directly opposite to the two side surfaces of the PVC sheet, and the area of ​​the spray guide seats is larger than the area of ​​the PVC sheet, the two groups of alignment baffles can limit the sides of the PVC sheet to prevent the PVC sheet from shifting sideways during loading and spraying, affecting the stability of subsequent loading, the areas of the two groups of spray guide seats are larger than the sides of the PVC sheet, the two groups of spray guide seats can perform all-round spraying operations on the outside of the PVC sheet, and improve the uniformity and efficiency of subsequent spraying.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. When the PVC sheet is sprayed in all directions, the area of ​​the two sets of spray guide seats arranged opposite to each other is much larger than the side surface of the PVC sheet, which can effectively improve the uniformity and efficiency of spraying the outside of the PVC sheet, and the collection box located at the bottom of the supporting bracket can receive and collect the spray liquid, and can filter it through the filter baffle, so that the subsequent water pump can circulate and guide the spray liquid to the inside of the spray guide seat through the guide pipe, which effectively improves the spraying efficiency of the equipment for the PVC sheet, and also reduces the spraying cost of the equipment for the PVC sheet.

[0019] 2. When the present invention performs cyclic feeding of PVC sheets, the servo motor can drive the guide slide to rotate through the transmission card shaft, so that the guide slide can pass through the sliding limit with the fixed slide shaft, and cyclically drive the wedge-shaped alignment card plate and the material guide push plate to move forward and backward inside the material guide slide, so that the wedge-shaped alignment card plate and the material guide push plate can cyclically reciprocate to perform clip feeding of the PVC sheets, so that the PVC sheets can be cyclically introduced into the support card frame for spraying, which effectively improves the efficiency of the equipment in feeding PVC sheets. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 A disassembled diagram of the main body of the present invention;

[0022] Figure 2 It is a structural schematic diagram of the main body of the present invention;

[0023] Figure 3 It is a disassembled diagram of the material guiding device of the present invention;

[0024] Figure 4 It is a structural schematic diagram of the material guiding device of the present invention;

[0025] Figure 5 It is a disassembled diagram of the feeding device of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the feeding device of the present invention;

[0027] Figure 7 It is a structural schematic diagram of the circulation device of the present invention;

[0028] Figure 8 It is a disassembled diagram of the spraying device of the present invention;

[0029] Fig. 9 It is a schematic structural diagram of the spraying device of the present invention.

[0030] In the figure: 1-PVC sheet, 2-material guide device, 3-feeding device, 4-circulation device, 5-spraying device, 6-capping card plate, 21-limiting guide seat, 22-motor card seat, 23-fixed slip ring, 24-fixed slide shaft, 25-servo motor, 26-guide slide groove, 27-transmission card shaft, 28-wedge-shaped alignment card plate, 29-material guide push plate, 210-alignment card plate, 31-material guide Slide, 32-storage box, 33-unloading slide, 34-limiting cover, 35-fixed push plate, 36-limiting slide, 37-spring clamp, 41-material guide pipe, 42-filter baffle, 43-collecting box, 44-water pump, 51-guide roller, 52-alignment baffle, 53-spraying guide seat, 54-liquid storage guide box, 55-liquid inlet guide tank, 56-support bracket, 57-sliding trough. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0033] The present invention is further described below in conjunction with the accompanying drawings.

[0034] Example 1

[0035] See also Figure 1-9 The present invention provides an embodiment: a PVC automatic spraying system for workshop production, comprising a feeding device 3 for guiding materials, and a PVC sheet 1 is elastically slidably clamped on the inner end surface of the feeding device 3,

[0036] A material guiding device 2 is fixedly arranged at the rear of the front end surface of the PVC plate 1, and a spraying device 5 for spraying is arranged at the front end surface of the feeding device 3 opposite to the material guiding device 2;

[0037] A circulation device 4, the circulation device 4 is fixedly arranged at the center of the lower end surface of the spraying device 5, and a cover card plate 6 is fixedly arranged at the center of the upper end surface of the spraying device 5;

[0038] The circulation device 4 includes a material collection box 43 for collecting materials. A filter baffle 42 is provided near the middle of the inner end surface of the material collection box 43, and a water pump 44 is symmetrically provided on the side end surface of the material collection box 43. A material guide pipe 41 is fixedly provided at the center of the upper end surface of the water pump 44.

[0039] The material guiding device 2 includes a limiting guide seat 21 for support, two groups of alignment clamping plates 210 are arranged on the front end face of the limiting guide seat 21, and a motor clamping seat 22 is fixedly arranged at the center of the rear end face of the limiting guide seat 21, a servo motor 25 is arranged on the rear end face of the motor clamping seat 22, and a transmission clamping shaft 27 is fixedly arranged at the output end of the servo motor 25, and a guide groove 26 is opened on the outer end face of the transmission clamping shaft 27, the inner end face of the limiting guide seat 21 is slidably clamped with a material guiding push plate 29 through the guide groove 26, a fixed slip ring 23 is fixedly arranged at the center of the rear end face of the material guiding push plate 29, and a fixed slide shaft 24 is arranged on the top of the inner end face of the fixed slip ring 23, and three groups of wedge-shaped alignment clamping plates 28 are equidistantly arranged on the front end face of the material guiding push plate 29.

[0040] The feeding device 3 includes a material storage box 32 for support, a material guide groove 31 is provided on the inner end surface of the material storage box 32 near the front, a material discharge slide 33 is provided on the upper end surface of the material storage box 32 near the rear, a limiting cover plate 34 is fixedly provided at the center of the rear end surface of the material storage box 32, a limiting slide seat 36 is slidably engaged with the inner end surface of the limiting cover plate 34, and a fixed push plate 35 is fixedly provided at the center of the front end surface of the limiting slide seat 36, and the limiting slide seat 36 is elastically fixedly connected to the outside of the limiting cover plate 34 through a spring retaining ring 37.

[0041] The spraying device 5 includes a supporting bracket 56 for support, and the upper and lower parts of the inner end surfaces of the supporting bracket 56 are equidistantly rotatably clamped with guide rollers 51, and the side end surfaces of the guide rollers 51 are symmetrically arranged with alignment baffles 52, and the bottom and top parts of the inner end surfaces of the supporting bracket 56 are provided with sliding grooves 57, and the two side surfaces of the supporting bracket 56 are provided with spray guide seats 53, and a liquid storage guide box 54 is fixedly arranged at the center of the side end surfaces of the two groups of spray guide seats 53, and a liquid inlet guide tank 55 is fixedly arranged at the center of the side end surface of the liquid storage guide box 54.

[0042] A positioning chamfer is provided inside the front end surface of the wedge-shaped alignment card plate 28, and the limiting guide seat 21 is slidably connected to the inside of the material storage box 32 through the material guide slot 31. The positioning chamfer at the front of the wedge-shaped alignment card plate 28 can facilitate the subsequent blocking and separation of multiple groups of PVC sheets 1 by the wedge-shaped alignment card plate 28, thereby quickly and accurately loading a single group of PVC sheets 1 one by one.

[0043] The fixed slide shaft 24 is adapted to the guide slot 26, and the material guide push plate 29 is adapted to the guide slot 26 through the fixed slide shaft 24 and then slidably engaged in the interior of the limiting guide seat 21. The guide slot 26 is arranged in a circular shape. The guide slot 26 can drive the material guide push plate 29 to move inside the limiting guide seat 21 and the material guide slot 31 through the fixed slide shaft 24 cycle, which can effectively improve the efficiency of subsequent feeding and spraying of the PVC sheet 1.

[0044] The width of the PVC sheet 1 is equal to the width of the material guide chute 31, and the material guide push plate 29 is slidably connected with the PVC sheet 1 through the wedge-shaped alignment card plate 28. The material guide chute 31 can not only provide a limiting basis for the material guide push plate 29 to slide and move inside the material storage box 32, but also facilitate the subsequent rapid and accurate guidance and loading of the PVC sheet 1 by the material guide push plate 29 through the wedge-shaped alignment card plate 28.

[0045] The guide roller 51 is slidably connected to the side of the PVC sheet 1 through the alignment baffle 52. The two groups of spray guide seats 53 are directly opposite to the two side surfaces of the PVC sheet 1, and the area of ​​the spray guide seats 53 is larger than the area of ​​the PVC sheet 1. The two groups of alignment baffles 52 can limit the side of the PVC sheet 1 to prevent the PVC sheet 1 from shifting sideways during loading and spraying, thereby affecting the stability of subsequent loading. The area of ​​the two groups of spray guide seats 53 is larger than the side of the PVC sheet 1, so that the two groups of spray guide seats 53 can perform a full range of spraying operations on the outside of the PVC sheet 1, thereby improving the uniformity and efficiency of subsequent spraying.

[0046] Working principle: Before spraying the PVC sheet 1, the user can use an external traction tool to pull the limiting slide 36 outward, and then introduce the PVC sheet 1 into the storage box 32 in batches through the unloading slide 33, and then separate the traction tool from the limiting slide 36. At this time, the limiting slide 36 can drive the fixed push plate 35 to press the multiple groups of PVC sheets 1 inside the storage box 32 under the elastic reset of the spring clamp ring 37, so that the PVC sheet 1 can be pressed to the position opposite to the guide chute 31, which is convenient for the subsequent circulation of the guide device 2. When the PVC sheet 1 is guided, the staff can start the servo motor 25, and the servo motor 25 can drive the internal transmission card shaft 27. When the transmission card shaft 27 rotates, the transmission card shaft 27 can synchronously drive the guide slide 26 to rotate. At this time, the guide slide 26 can pass through the sliding limit with the fixed slide shaft 24, and then cyclically drive the material guide push plate 29 to cyclically move back and forth inside the limiting guide seat 21 and the material storage box 32. When the material guide push plate 29 is in the initial state, the wedge-shaped alignment card plate 28 and the front part of the material guide push plate 29 are not in contact with the PVC sheet 1 inside the material guide slide 31. When the transmission card shaft 27 drives the guide slide 26 to rotate, the guide slide 26 can synchronously drive the wedge-shaped alignment card plate 28 and the material guide push plate 29 to move forward through the fixed slide shaft 24. When the wedge-shaped alignment card plate 28 and the material guide push plate 29 move forward, the wedge-shaped alignment card plate 28 and the material guide push plate 29 The positioning card plate 28 and the material guide push plate 29 can first be introduced into the material guide chute 31, and then the wedge-shaped positioning card plate 28 can be driven by the material guide push plate 29 to perform a stable limiting operation on the side and rear of the PVC sheet 1, so that the PVC sheet 1 can be introduced into the support bracket 56 along the material guide chute 31 under the push of the wedge-shaped positioning card plate 28 and the material guide push plate 29. At the same time, the multiple groups of wedge-shaped positioning card plates 28 on both sides can limit the next group of PVC sheets 1 to improve the accuracy of loading. When the wedge-shaped positioning card plate 28 and the material guide push plate 29 drive the PVC sheet 1 to be introduced into the support bracket 56, the multiple groups of guide rollers 51 inside the support bracket 56 can receive the PVC sheet 1, and at the same time, the guide rollers 51 The two groups of alignment baffles 52 on the side can limit the side wall of the PVC sheet 1. At this time, the wedge-shaped alignment card plate 28 and the material guide push plate 29 can continue to drive the PVC sheet 1 to move forward. When the PVC sheet 1 is moved to the middle of the supporting bracket 56, the wedge-shaped alignment card plate 28 and the material guide push plate 29 are moved to the limit. At the same time, the guide slide 26 begins to drive the wedge-shaped alignment card plate 28 and the material guide push plate 29 to reset through the fixed slide shaft 24. At this time, the two groups of spray guide seats 53 located on the side of the supporting bracket 56 can perform all-round spraying operations on the outside of the PVC sheet 1. At the same time, the collection box 43 can collect and filter the sprayed liquid through the filter baffle 42, thereby improving the spraying efficiency of the PVC sheet 1 and reducing the spraying cost.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PVC automatic spraying system for workshop production, comprising a feeding device (3) for guiding materials, a PVC sheet (1) being elastically slidably clamped on the inner end surface of the feeding device (3), characterized in that: A material guiding device (2), the material guiding device (2) being fixedly arranged at the rear of the front end surface of the PVC sheet (1), and a spraying device (5) for spraying being arranged at the front end surface of the feeding device (3) directly opposite to the material guiding device (2); A circulation device (4), wherein the circulation device (4) is fixedly arranged at the center of the lower end surface of the spraying device (5), and a cover card (6) is fixedly arranged at the center of the upper end surface of the spraying device (5); The circulation device (4) comprises a material collecting box (43) for collecting materials, a filtering baffle (42) is arranged near the middle of the inner end surface of the material collecting box (43), and a water pump (44) is symmetrically arranged on the side end surface of the material collecting box (43), and a material guide pipe (41) is fixedly arranged at the center of the upper end surface of the water pump (44).

2. The PVC automatic spraying system for workshop production according to claim 1 is characterized by: The material guiding device (2) comprises a position limiting guide seat (21) for supporting, two groups of alignment clamping plates (210) are arranged at the front end surface of the position limiting guide seat (21), and a motor clamping seat (22) is fixedly arranged at the center of the rear end surface of the position limiting guide seat (21), a servo motor (25) is arranged at the rear end surface of the motor clamping seat (22), and a transmission clamping shaft (27) is fixedly arranged at the output end of the servo motor (25), and a transmission clamping shaft (27) is fixedly arranged at the transmission clamping shaft The outer end surface of the guide seat (27) is provided with a guide groove (26), the inner end surface of the limit guide seat (21) is slidably connected with a material guide push plate (29) through the guide groove (26), a fixed slip ring (23) is fixedly arranged at the center of the rear end surface of the material guide push plate (29), and a fixed sliding shaft (24) is arranged at the top of the inner end surface of the fixed slip ring (23), and three groups of wedge-shaped alignment clamping plates (28) are equidistantly arranged on the front end surface of the material guide push plate (29).

3. The PVC automatic spraying system for workshop production according to claim 2 is characterized by: The feeding device (3) comprises a material storage box (32) for supporting, a material guide groove (31) is provided on the inner end surface of the material storage box (32) near the front, a material discharge slide plate (33) is provided on the upper end surface of the material storage box (32) near the rear, a limit cover plate (34) is fixedly provided at the center of the rear end surface of the material storage box (32), a limit slide seat (36) is slidably engaged with the inner end surface of the limit cover plate (34), and a fixed push plate (35) is fixedly provided at the center of the front end surface of the limit slide seat (36), and the limit slide seat (36) is elastically fixedly connected to the outside of the limit cover plate (34) through the spring retaining ring (37).

4. The PVC automatic spraying system for workshop production according to claim 3 is characterized by: The spraying device (5) comprises a supporting bracket (56) for supporting, the upper and lower parts of the inner end surface of the supporting bracket (56) are equidistantly rotatably connected with guide rollers (51), and a positioning baffle (52) is symmetrically arranged on the side end surface of the guide roller (51), the bottom and top of the inner end surface of the supporting bracket (56) are provided with sliding grooves (57), the two side surfaces of the supporting bracket (56) are provided with spraying guide seats (53), and a liquid storage guide box (54) is fixedly arranged at the center of the side end surface of the two groups of the spraying guide seats (53), and a liquid inlet guide tank (55) is fixedly arranged at the center of the side end surface of the liquid storage guide box (54).

5. The PVC automatic spraying system for workshop production according to claim 4 is characterized by: A positioning chamfer is provided inside the front end surface of the wedge-shaped alignment clamping plate (28), and the limiting guide seat (21) is slidably clamped inside the material storage box (32) through the material guide chute (31).

6. The PVC automatic spraying system for workshop production according to claim 4 is characterized by: The fixed slide shaft (24) is matched with the guide slide groove (26), and the material guide push plate (29) is matched with the guide slide groove (26) through the fixed slide shaft (24) and then slidably engaged in the interior of the limiting guide seat (21).

7. The PVC automatic spraying system for workshop production according to claim 4 is characterized by: The width of the PVC sheet (1) is equal to the width of the material guide chute (31), and the material guide push plate (29) is slidably engaged with the PVC sheet (1) via the wedge-shaped alignment clamping plate (28).

8. The PVC automatic spraying system for workshop production according to claim 4 is characterized by: The guide roller (51) is slidably connected to the side of the PVC sheet (1) via the alignment baffle (52); the two groups of spray guide seats (53) are directly opposite to the two side surfaces of the PVC sheet (1); and the area of ​​the spray guide seats (53) is larger than the area of ​​the PVC sheet (1).

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