Coating machine with scraper adjusting assembly

Abstract

The utility model discloses a coating machine with a scraper adjusting assembly. The coating machine comprises a coating machine rack and a conveying assembly installed on the coating machine rack. Wherein two width adjusting structures are installed at the top of the coating machine rack, a discharging assembly, a scraper assembly and a thickness detecting structure are further installed on the coating machine rack, the scraper assembly is located between the discharging assembly and the thickness detecting structure, and the thickness detecting structure monitors the thickness of coating passing through the scraper assembly; and a PLC (Programmable Logic Controller) is also mounted on the coating machine frame. Through the arrangement of the scraper assembly and the thickness detection structure, the thickness of the coating flattened by the scraper can be monitored, the position of the scraper can be adjusted, and compared with an existing mode that the thickness of the coating is detected after the coating passes through a drying machine, waste of the coating can be reduced, and the production cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coating machines, in particular to a coating machine with a scraper adjustment component. Background Art

[0002] Coating machines are mainly used for surface coating production of materials such as Harima and paper. They mainly coat the rolled substrate with a layer of glue, paint or ink with specific functions. After coating the film material, it is usually necessary to use a scraper to scrape the paint flat so that the thickness of the paint meets the production requirements.

[0003] After the existing scraper has scraped the paint flat, the paint thickness needs to be measured after it has been dried in a dryer. If the measurement result does not meet the specified requirements, the height of the scraper needs to be adjusted. However, the distance between the scraper and the dryer is long, resulting in serious waste.

[0004] Therefore, how to reduce the waste during scraper adjustment is a problem that needs to be solved urgently. Utility Model Content

[0005] The purpose of the utility model is to provide a coating machine with a scraper adjustment component to solve the problem of serious waste caused by the existing scraper adjustment in the background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model proposes a coater with a scraper adjustment component, including a coater frame and a transmission component installed on the coater frame; wherein two sets of width adjustment structures are installed on the top of the coater frame, and a feeding component, a scraper component and a thickness detection structure are also installed on the coater frame, the scraper component is located between the feeding component and the thickness detection structure, and the thickness detection structure monitors the thickness of the coating after passing through the scraper component; a PLC controller is also installed on the coater frame.

[0007] Optionally, each set of the width adjustment structure includes two mounting seats installed on the top of the coater frame and located on both ends of the coater frame, and the unloading assembly, the scraper assembly and the thickness detection structure are all located between the two mounting seats.

[0008] Optionally, width adjustment structures are installed on both sides of the coater frame; the transmission assembly includes a motor installed on the outside of the coater frame, a driving shaft and a driven shaft movably installed on the inside of the coater frame and movably connected to the coater frame, a connecting sprocket installed on the driving shaft and the driven shaft, and a connecting chain for connecting the two connecting sprockets, and rollers are installed on the driving shaft and the driven shaft, and a conveyor belt is mounted on the rollers; the driving shaft is connected to the output shaft of the motor; the PLC controller calculates the thickness of the paint by the distance between the top surface of the paint and the top surface of the conveyor belt.

[0009] Optionally, each group of the width adjustment structures further includes a through hole provided on the mounting base, a moving rod passing through the through hole, a limiting plate mounted on the moving rod, and a sealing strip mounted on the bottom of the limiting plate and in contact with the conveyor belt.

[0010] Optionally, two limiting nuts are sleeved on the moving rod, and the two limiting nuts are respectively located on both sides of the mounting base; an infrared distance sensor facing the mounting base is mounted on the limiting plate.

[0011] Optionally, the blanking assembly includes a blanking frame mounted on the coating machine frame, a blanking main pipe mounted on the top of the blanking frame, blanking branch pipes equally spaced on the blanking main pipe and passing through the blanking frame, and solenoid valves mounted on the blanking branch pipes and connected to the PLC controller.

[0012] Optionally, the scraper assembly includes a scraper frame mounted on the coating machine frame, a lifting cylinder mounted on the top of the scraper frame and connected to the PLC controller, a scraper mounted on the lifting cylinder, and a scraper cleaning structure mounted on the side of the scraper frame and connected to the PLC controller.

[0013] Optionally, a first guiding hole is provided at the top of the scraper frame, a first guiding rod is penetrated through the first guiding hole, a U-shaped connecting block is mounted on one end of the first guiding rod, and the U-shaped connecting block is mounted on the top of the scraper.

[0014] Optionally, the scraper cleaning structure includes a telescopic cylinder mounted on the side of the scraper frame and connected to the PLC controller, a cleaning frame mounted on the telescopic cylinder, and a scraper blade movably mounted on the cleaning frame.

[0015] Optionally, a third guiding rod is mounted on one end of the scraper blade facing the cleaning frame, a spring is sleeved on the third guiding rod, a positioning nut located outside the cleaning frame is mounted on the end of the third guiding rod away from the scraper blade, and both ends of the spring are in contact with the scraper blade and the cleaning frame respectively.

[0016] Optionally, the thickness detection structure includes a detection mounting frame mounted on the coating machine frame, a plurality of laser rangefinders mounted on the detection mounting frame, and the laser rangefinders are connected to the PLC controller.

[0017] Optionally, the number of the laser rangefinders is three. One of the laser rangefinders is located at the middle position of the detection mounting frame, and the monitoring point is located between two width adjustment structures. The other two laser rangefinders are mounted at the side ends of the detection mounting frame, and the monitoring points are located outside the two width adjustment structures.

[0018] Compared with the prior art, the present utility model provides a coating machine with a scraper adjustment assembly, and has the following beneficial effects:

[0019] The coating machine with a scraper adjustment component can monitor the thickness of the coating after being leveled by the scraper and adjust the position of the scraper through the settings of the scraper component and the thickness detection structure. Compared with the existing method of detecting the coating thickness after passing through the dryer, this application can reduce the waste of the coating and lower the production cost. Description of the Drawings

[0020] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0021] Figure 2 It is a schematic diagram of the transmission component of the present utility model.

[0022] Figure 3 It is a schematic diagram of the cooperation between the chain and the driving sprocket in the transmission component of the present utility model.

[0023] Figure 4 It is a schematic diagram of the width adjustment structure of the present utility model.

[0024] Figure 5 It is the present utility model Figure 4 A partial enlarged view of part A in it.

[0025] Figure 6 It is a structural usage diagram of the blanking component of the present utility model.

[0026] Figure 7 It is a schematic diagram of the scraper component of the present utility model.

[0027] Figure 8 It is a schematic diagram of the guide rod and the C-shaped connecting block of the present utility model.

[0028] Fig. 9 It is a cross-sectional view of the scraper component of the present utility model.

[0029] Fig.10 It is a schematic diagram of the thickness detection structure of the present utility model.

[0030] Identifications in the figure: 1. Coating machine frame; 2. Conveyor assembly; 21. Motor; 22. Driving shaft; 23. Driven shaft; 24. Connecting chain; 25. Roller body; 26. Conveyor belt; 27. Sprocket; 3. Width adjustment structure; 31. Mounting seat; 32. Through hole; 33. Moving rod; 331. Limit nut; 34. Limit plate; 341. Infrared distance sensor; 35. Sealing strip; 4. Feeding assembly; 41. Feeding frame; 42. Main feeding pipe; 43. Branch feeding pipe; 44. Solenoid valve; 5. Scraper assembly; 51. Scraper frame; 511. First guiding hole; 512. First guiding rod; 513. C-shaped connecting block; 52. Lifting cylinder; 53. Scraper; 54. Cleaning structure; 541. Telescopic cylinder; 542. Cleaning frame; 543. Shovel; 544. Third guiding rod; 545. Spring; 546. Positioning nut; 6. Thickness detection structure; 61. Detection mounting frame; 62. Laser rangefinder; 7. PLC controller. Detailed implementation

[0031] The following is a detailed description in combination with the drawings and specific implementations. Many specific details are set forth in the following description in order to provide a thorough understanding of the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0032] A coating machine with a scraper adjustment assembly according to the present application can be applicable to occasions such as adjusting the coating thickness of a coating machine, and of course, it can also be used in other similar application scenarios. The following is a detailed description of a coating machine with a scraper adjustment assembly.

[0033] Refer to the attached Figure 1 — Fig.10 As shown in the figure, it shows a structural schematic diagram of a preferred embodiment of a coating machine with a scraper adjustment assembly according to the present application. The coating machine with a scraper adjustment assembly includes a coating machine frame 1 and a conveyor assembly 2 installed on the coating machine frame 1. Among them, two sets of width adjustment structures 3 are installed on the top of the coating machine frame 1, and a feeding assembly 4, a scraper assembly 5, and a thickness detection structure 6 are also installed on the coating machine frame 1. The scraper assembly 5 is located between the feeding assembly 4 and the thickness detection structure 6, and the thickness detection structure 6 monitors the coating thickness after passing through the scraper assembly 5. A PLC controller 7 is also installed on the coating machine frame 1. The feeding assembly 4, the scraper assembly 5, and the thickness detection structure 6 are all located between the two mounting seats 31.

[0034] The utility model transmits the coating by setting the conveying component 2; the coating width can be adjusted according to the demand by setting the width adjustment structure 3; the slurry, glue and other coatings can be discharged by setting the feeding component 4; the glue, slurry and other materials can be scraped and leveled by setting the scraper component 5; the thickness after scraping and leveling can be detected by setting the thickness detection structure 6, and there is no need to dry it in an oven before testing, thereby reducing the distance from the scraper to the detection and shortening the wasted time.

[0035] See attached Figure 2 and Figure 3 As shown, in the utility model, the transmission component 2 includes a motor 21 installed on the outside of the coater frame 1, a driving shaft 22 and a driven shaft 23 movably installed on the inside of the coater frame 1 and movably connected to the coater frame 1, a connecting sprocket 27 installed on the driving shaft 22 and the driven shaft 23, a connecting chain 24 for connecting the two connecting sprockets 27, a roller body 25 is installed on the driving shaft 22 and the driven shaft 23, a conveyor belt 26 is mounted on the roller body 25, and the driving shaft 22 is connected to the output shaft of the motor 21.

[0036] The utility model uses the motor 21 as the power source for the transmission component 2; the connecting sprocket 27 and the connecting chain 24 are used to enable the driving shaft 22 and the driven shaft 23 to move synchronously; and the conveyor belt 26 is used to transport materials.

[0037] See attached Figure 4 As shown, in the utility model, each set of width adjustment structure 3 includes two mounting seats 31 installed on the top of the coater frame 1 and located at both ends of the coater frame 1, a through hole 32 installed on the mounting seat 31, a moving rod 33 arranged through the through hole 32, a limiting plate 34 installed on the moving rod 33, and a sealing strip 35 installed at the bottom of the limiting plate 34 and in contact with the conveyor belt 26; two limiting nuts 331 are mounted on the moving rod 33, and the two limiting nuts 331 are respectively located on both sides of the mounting seat 31; an infrared ranging sensor 341 facing the mounting seat 31 is installed on the limiting plate 34.

[0038] The utility model supports the moving rod 33 by setting the mounting seat 31; provides a mounting position for the moving rod 33 by setting the through hole 32; drives the limit plate 34 to move in the axial direction along the moving rod 33 by setting the moving rod 33; fills the gap between the limit plate 34 and the conveyor belt 26 by setting the sealing strip 35 to prevent the material from slipping out of the gap, ensuring that the material and the paint are located between the two limit plates 34; sets the limit nut 331, and the two limit nuts 331 are respectively located on both sides of the mounting seat 31, so as to limit the moving rod 33 and prevent the moving rod 33 from moving when in use; sets the infrared ranging sensor 341, so as to detect the distance between the limit plate 34 and the mounting seat 31, ensuring that the moving distances of the two limit plates 34 are equal.

[0039] See attached Figure 5 As shown, in the utility model, the unloading assembly 4 includes a unloading rack 41 installed on the coating machine frame 1, a unloading main pipe 42 installed on the top of the unloading rack 41, unloading branch pipes 43 installed on the unloading main pipe 42 at equal intervals and penetrating the unloading rack 41, and a solenoid valve 44 installed on the unloading branch pipe 43 and connected to the PLC controller 7.

[0040] The utility model conveys materials by setting a material discharge main pipe 42; discharges materials at multiple points by setting a material discharge branch pipe 43 to prevent materials from piling up in one place and affecting the work of the subsequent scraper assembly 5; and controls the opening and closing of the material discharge branch pipe 43 by setting a solenoid valve 44, thereby controlling the discharge of materials.

[0041] See attached Figure 7 — Fig. 9 As shown, in the utility model, the scraper assembly 5 includes a scraper frame 51 installed on the coating machine frame 1, a lifting cylinder 52 installed on the top of the scraper frame 51 and connected to the PLC controller 7, a scraper 53 installed on the lifting cylinder 52, and a scraper cleaning structure 54 installed on the side of the scraper frame 51 and connected to the PLC controller 7.

[0042] The utility model provides a power source for the scraper 53 to move up and down through the setting of the lifting cylinder 52; through the setting of the scraper 53, the material is scraped flat, and the flatness and flatness of the scraped material are adjusted; through the setting of the scraper cleaning structure 54, the scraper 53 can be cleaned, and the residues such as glue remaining on the scraper can be clearly cleaned.

[0043] See attached Figure 7 — Fig. 9As shown, in the present utility model, a first guiding hole 511 is provided at the top of the scraper holder 51. A first guiding rod 512 is penetrated through the first guiding hole 511. A C-shaped connecting block 513 is installed at one end of the first guiding rod 512, and the C-shaped connecting block 513 is installed at the top of the scraper 53.

[0044] In the present utility model, through the arrangement of the first guiding hole 511 and the first guiding rod 512, the lifting of the scraper 53 is guided; through the arrangement of the C-shaped connecting block 513, the scraper 53 and the first guiding rod 512 are connected, so that the first guiding rod 512 can guide the lifting of the scraper 53.

[0045] Refer to the appendix Figure 7 — Fig. 9 As shown, in the present utility model, the scraper cleaning structure 54 includes a telescopic cylinder 541 installed on the side of the scraper holder 51 and connected to the PLC controller 7, a cleaning frame 542 installed on the telescopic cylinder 541, and a scraping knife 543 movably installed on the cleaning frame 542; wherein, a third guiding rod 544 is installed at one end of the scraping knife 543 facing the cleaning frame 542. A spring 545 is sleeved on the third guiding rod 544. A positioning nut 546 is installed at one end of the third guiding rod 544 away from the cleaning frame 542. Both ends of the spring 545 are in contact with the scraping knife 543 and the cleaning frame 542 respectively.

[0046] In the present utility model, through the arrangement of the telescopic cylinder 541, a power source is provided for the movement of the cleaning frame 542; through the arrangement of the scraping knife 543, the scraper 53 can be cleaned, and the residues on the surface of the scraper 53 can be scraped off; through the arrangement of the third guiding rod 544, the movement of the scraping knife 543 is guided; through the arrangement of the spring 545, the scraper 53 can pass through between the two scraping knives 543, and after the scraping knife 543 is separated from the scraper 53, the scraping knife 543 can automatically reset; through the arrangement of the positioning nut 546, the third guiding rod 544 is limited to prevent the third guiding rod 544 from separating from the cleaning frame 542.

[0047] Refer to the appendix Fig.10 As shown, in the present utility model, the thickness detection structure 6 includes a detection mounting frame 61 installed on the coating machine frame 1, and a plurality of laser rangefinders 62 installed on the detection mounting frame 61. The laser rangefinders 62 are connected to the PLC controller 7; wherein, the number of the laser rangefinders 62 is three. One of the laser rangefinders 62 is located at the middle position of the detection mounting frame 61, and the monitoring point is located between the two width adjustment structures 3. The other two laser rangefinders 62 are installed at the side ends of the detection mounting frame 61, and the monitoring points are located outside the two width adjustment structures 3.

[0048] The utility model monitors the distance between the laser rangefinder 62 and the conveyor belt 26 by setting a laser rangefinder 62. Three laser rangefinders 62 are set and installed at the middle position of the detection mounting frame 61 to align with the material after being scraped by the scraper 53 to monitor the distance between the material and the material. The remaining two laser rangefinders 62 are used to monitor the distance to the conveyor belt 26. The average value of the values ​​obtained by the two laser rangefinders 62 is taken, and the average value is subtracted from the result detected by the middle laser rangefinder 62 to obtain the thickness of the material on the conveyor belt 26 after scraping.

[0049] It should be particularly noted in the present invention that when the required width of the material changes, the required width of the material is limited by the width adjustment structure 3, and the scraper needs to be replaced.

[0050] See attached Figure 1 — Fig.10 As shown, the working process of the utility model is as follows:

[0051] First, the material is unloaded through the unloading component 4, then transported on the conveyor belt 26, and then scraped flat by the scraper 53. The scraped material passes through three laser rangefinders 62. The three laser rangefinders 62 cooperate with the PLC controller 7 to calculate the thickness of the material. When it is concluded that the material thickness is too large, the PLC controller 7 drives the scraper 53 to move downward a specified distance through the lifting cylinder 52; when it is concluded that the material thickness is too small, the PLC controller 7 drives the scraper 53 to move upward a specified distance through the lifting cylinder 52.

[0052] It should be particularly noted that in the present application, when the scraper 53 needs to be cleaned, the telescopic cylinder 541 will drive the cleaning frame 542 to extend, and the lifting cylinder 52 will descend by a specified distance to prevent the telescopic cylinder 541 from colliding with the scraper 543.

[0053] The above embodiments are intended to illustrate the present application, not to limit the present application. Any solution that is a simple transformation of the present application falls within the protection scope of the present application.

Claims

1. A coating machine with a scraper adjustment assembly, comprising a coating machine frame (1), and a transmission assembly (2) mounted on the coating machine frame (1); characterized in that: Two sets of width adjustment structures (3) are installed on the top of the coating machine frame (1); a material discharge assembly (4), a scraper assembly (5) and a thickness detection structure (6) are also installed on the coating machine frame (1); the scraper assembly (5) is located between the material discharge assembly (4) and the thickness detection structure (6); the thickness detection structure (6) monitors the thickness of the coating after passing through the scraper assembly (5); a PLC controller (7) is also installed on the coating machine frame (1); Each set of the width adjustment structures (3) comprises two mounting seats (31) mounted on the top of the coating machine frame (1) and located at both ends of the coating machine frame (1), and the blanking assembly (4), the scraper assembly (5) and the thickness detection structure (6) are all located between the two mounting seats (31).

2. The coating machine with a scraper adjustment assembly according to claim 1, characterized in that: A width adjustment structure (3) is installed on both sides of a coating machine frame (1); the transmission component (2) comprises a motor (21) installed on the outside of the coating machine frame (1), a driving shaft (22) and a driven shaft (23) movably installed on the inside of the coating machine frame (1) and movably connected to the coating machine frame (1), a connecting sprocket (27) installed on the driving shaft (22) and the driven shaft (23), and a connecting chain (24) for connecting the two connecting sprockets (27); a roller body (25) is installed on the driving shaft (22) and the driven shaft (23), and a conveyor belt (26) is mounted on the roller body (25); the driving shaft (22) is connected to the output shaft of the motor (21); and the PLC controller (7) calculates the thickness of the coating through the distance between the top surface of the coating and the top surface of the conveyor belt (26).

3. The coating machine with a scraper adjustment assembly according to claim 2, characterized in that: Each set of the width adjustment structures (3) further comprises a through hole (32) arranged on the mounting seat (31), a moving rod (33) arranged through the through hole (32), a limiting plate (34) installed on the moving rod (33), and a sealing strip (35) installed at the bottom of the limiting plate (34) and in contact with the conveyor belt (26); The moving rod (33) is sleeved with two limiting nuts (331), and the two limiting nuts (331) are respectively located on two sides of the mounting seat (31); An infrared distance measuring sensor (341) facing the mounting seat (31) is mounted on the limiting plate (34).

4. The coating machine with a scraper adjustment assembly according to claim 1, characterized in that: The material discharge assembly (4) comprises a material discharge rack (41) mounted on a coating machine frame (1), a material discharge main pipe (42) mounted on the top of the material discharge rack (41), material discharge branch pipes (43) mounted on the material discharge main pipe (42) at equal intervals and extending through the material discharge rack (41), and a solenoid valve (44) mounted on the material discharge branch pipe (43) and connected to a PLC controller (7).

5. The coating machine with a scraper adjustment assembly according to claim 1, characterized in that: The scraper assembly (5) comprises a scraper frame (51) mounted on a coating machine frame (1), a lifting cylinder (52) mounted on the top of the scraper frame (51) and connected to a PLC controller (7), a scraper (53) mounted on the lifting cylinder (52), and a scraper cleaning structure (54) mounted on the side of the scraper frame (51) and connected to the PLC controller (7).

6. The coating machine with a scraper adjustment assembly according to claim 5, characterized in that: The top of the scraper holder (51) is provided with a first guiding hole (511). A first guiding rod (512) is disposed through the first guiding hole (511). One end of the first guiding rod (512) is provided with a U-shaped connecting block (513), and the U-shaped connecting block (513) is mounted on the top of the scraper (53).

7. The coating machine with a scraper adjustment assembly according to claim 5, characterized in that: The scraper cleaning structure (54) includes a telescopic cylinder (541) mounted on the side of the scraper holder (51) and connected to the PLC controller (7), a cleaning frame (542) mounted on the telescopic cylinder (541), and a scraper blade (543) movably mounted on the cleaning frame (542).

8. The coating machine with a scraper adjustment assembly according to claim 7, characterized in that: One end of the scraper blade (543) facing the cleaning frame (542) is provided with a third guiding rod (544). A spring (545) is sleeved on the third guiding rod (544). A positioning nut (546) located outside the cleaning frame (542) is mounted on the end of the third guiding rod (544) away from the scraper blade (543). Two ends of the spring (545) are respectively in contact with the scraper blade (543) and the cleaning frame (542).

9. The coating machine with a scraper adjustment assembly according to claim 1, characterized in that: The thickness detection structure (6) includes a detection mounting frame (61) mounted on the coating machine frame (1), and a plurality of laser rangefinders (62) mounted on the detection mounting frame (61). The laser rangefinder (62) is connected to the PLC controller (7).

10. The coating machine with a scraper adjustment assembly according to claim 9, characterized in that: The number of the laser rangefinders (62) is three. One of the laser rangefinders (62) is located at the middle position of the detection mounting frame (61), and the monitoring point is located between the two width adjustment structures (3). The other two laser rangefinders (62) are mounted at the side ends of the detection mounting frame (61), and the monitoring points are located outside the two width adjustment structures (3).

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