Automatic single-side adjustable coating machine

Abstract

The utility model relates to the technical field of coating machine equipment, in particular to an automatic unilateral adjustable coating machine which comprises a rack, a film placing device arranged on the rack and used for storing a film, a gluing device and a conveying device arranged on the rack. The gluing device comprises a support, a glue box, a first servo motor and an adjusting piece. The glue box is arranged on the support, a glue outlet is formed in the side edge of the glue box, and the end of the adjusting piece is connected with the inner wall of a glue feeding channel in the glue box in a sealed mode. The first servo motor drives the adjusting piece to move in the length direction of the glue outlet so as to adjust the length of the glue outlet of the glue box. According to the actual length of the wood board, the first servo motor automatically controls the depth of the adjusting part embedded in the glue box to control the length of the glue outlet, the cost can be saved, and the gluing efficiency is improved. The width of the conveying platform is adjusted through the driving assembly so that the conveying platform can rapidly adapt to wood boards of different sizes. The equipment is high in compatibility, quicker and more convenient to adjust and higher in production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of covering machines, in particular to an automatic single-side adjustable covering machine. Background Art

[0002] With the continuous improvement of people's living standards, the application of veneered wood strips is becoming more and more extensive. The so-called veneered wood strip is a product formed by using low-grade wood, such as Chinese fir, as the core material and covering a layer of high-grade precious wood veneer on the outer contour of the core material. This product solves the problems of high cost, resource waste in making wood strips with pure high-grade precious wood, and the grain and color differences of high-grade precious wood itself, and meets people's desire to obtain the best decorative effect at the lowest price.

[0003] In the process of wooden door production, the strip wood used in door frames and other parts needs to be veneered. Currently, the commonly used machine is a covering machine. When adjusting the machine for glue coating and covering in the traditional covering machine, the width of the conveying platform and the glue coating is fixed. Facing wooden doors of different sizes, it is troublesome to adjust the glue coating range of the glue gun and the covering film, the operation is cumbersome, and the compatibility of the covering machine is poor, resulting in low production efficiency. Content of the Utility Model

[0004] In order to solve the technical defects mentioned in the above background art, the purpose of the utility model is to provide an automatic single-side adjustable covering machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An automatic single-side adjustable covering machine includes a frame, a film feeding device arranged on the frame for storing films, a glue coating device, and a conveying device arranged on the frame; the glue coating device includes a bracket, a glue box, a first servo motor, and an adjusting part; the bracket is arranged on the frame, the glue box is arranged on the bracket, a glue outlet is arranged on the side of the glue box, one end of the adjusting part penetrates into the glue box, and the end of the adjusting part is hermetically connected to the inner wall of the glue feeding channel in the glue box. The output shaft of the first servo motor is fixedly connected to the other end of the adjusting part to drive the adjusting part to move along the length direction of the glue outlet, and the length of the glue outlet of the glue box is adjusted by adjusting the length of the adjusting part buried in the glue box; the side of the film is closely attached to the glue outlet; the conveying device includes a first film pressing roller, a conveying platform, and a driving component. The first film pressing roller is arranged above the conveying platform, a wooden board is placed on the conveying platform, and the first film pressing roller is used to cover the glue-coated film on the wooden board; the driving component is used to adjust the width of the conveying platform.

[0007] By adopting the above technical solution, according to the actual length of the wooden board, the first servo motor can automatically control the depth of the adjusting member buried in the glue box to control the length of the glue outlet, so that the width of the glue outlet matches the width of the film, which can save costs and improve the efficiency of glue application. The conveying platform can adjust the width of the conveying platform through the driving component to quickly adapt to wooden boards of different sizes. This equipment has high compatibility, faster and more convenient adjustment, and higher production efficiency.

[0008] Further, the glue delivery channel is arranged in a cylindrical structure, and the glue outlet is arranged on the side surface of the glue delivery channel along its length direction. The adjusting member is arranged in a round rod shape, and the circumferential side of the end of the adjusting member is in interference connection with the inner side wall of the glue delivery channel, with a simple structure, convenient and fast adjustment, and cost saving.

[0009] Further, the glue application device further includes a first guide rail, a first slider, a driving wheel, a driven wheel, a belt and a first lead screw. The first guide rail is fixed on the bracket and located on the side surface of one end of the glue box, and the first slider is slidably connected with the first guide rail. The driving wheel is fixedly connected with the output shaft of the first servo motor, the driven wheel is fixed at one end of the first lead screw, and the belt is connected between the driving wheel and the driven wheel, which is arranged in a staggered manner to make the structure more compact. The first slider is fixed on the first lead screw, and the other end of the adjusting member is fixed on the first slider. The first lead screw and the first guide rail cooperate with each other to drive the adjusting member by the first slider, with higher running stability and adjustment accuracy, which is beneficial to improving the quality of glue application.

[0010] Further, the first slider is slidably arranged on the lower side of the first guide rail, one end of the first slider is sleeved on the first lead screw, the first guide rail and the first lead screw are horizontally and vertically arranged in a staggered manner, and the adjusting member is fixed at the other end of the first slider, which is arranged in a staggered manner, with a more compact structure and reduced space occupied by the equipment.

[0011] Further, the glue application device further includes a plurality of first round rollers. The upper end of the bracket is sequentially and spaced apart and vertically arranged in a staggered manner with a plurality of the first round rollers. The film is sequentially wound around and passes through the circumferential sides of the first round rollers and extends to the glue box, which is convenient for making the film fit more closely with the glue box, improving the tension of the film, and thus making the glue application more uniform. The glue box is arranged below the plurality of first round rollers.

[0012] Further, the glue applying device further includes a base, a handwheel and a transmission rod. The base is fixedly arranged on the frame. A second guide rail is arranged above the base, and the bracket is slidably arranged on the second guide rail. One end of the transmission rod penetrates through the base and is fixedly connected to the bracket, and the other end of the transmission rod is fixedly connected to the handwheel. This facilitates adjusting the position of the glue box according to the position and width of the film, improving the compatibility of the equipment and the production efficiency.

[0013] Further, the glue applying device further includes a first connecting plate, a second connecting plate, a first pressing rod, a second pressing rod and two telescopic cylinders. One end of the first connecting plate is slidably connected to one side of the bracket, and one end of the second connecting plate is slidably connected to the other side of the bracket. A telescopic cylinder is fixedly connected to the side surfaces of the first connecting plate and the second connecting plate respectively, making the operation of both ends of the first pressing rod and the second pressing rod synchronous and more stable. The other ends of the first connecting plate and the second connecting plate are fixedly connected with the first pressing rod and the second pressing rod. The first pressing rod and the second pressing rod are arranged at an interval up and down. The glue outlet is located between the first pressing rod and the second pressing rod. The first pressing rod and the second pressing rod are used to press the film tightly against the glue outlet, improving the quality of glue application.

[0014] Further, the first connecting plate and the second connecting plate are arranged with the same structure. Both the first connecting plate and the second connecting plate are arranged in an L-shaped structure, and a corresponding groove is arranged on the side of the first connecting plate that fits the glue box. This enables the first pressing rod, the second pressing rod to fit more closely to the outer side surface of the glue box, preventing the film from wrinkling during glue application and uneven thickness of the applied glue, and improving the uniformity of glue application and the quality and efficiency of production.

[0015] Further, the conveying platform includes a first track and a second track. The first track is fixed to one side of the frame, and the second track is slidably arranged on the other side of the frame. The length directions of both the first track and the second track are consistent with the conveying direction. The driving assembly includes a second servo motor, a steering gear, a second lead screw, and a connecting rod. At least two steering gears and at least one connecting rod are provided. The multiple steering gears are spaced apart on the second track, and one connecting rod is arranged between two adjacent steering gears. Each steering gear is correspondingly provided with one second lead screw, and the length direction of the second lead screw is perpendicular to the length direction of the connecting rod. The output shaft of the second servo motor is connected to one side of a steering gear, and one end of the second lead screw is fixedly connected to the adjacent side of the side where the steering gear is connected to the second servo motor, and the other end of the second lead screw is fixedly connected to the second track. The distance between the second track and the first track is automatically adjusted unidirectionally to adapt to wooden boards of different sizes, facilitating the fixation of the wooden boards, enabling the film to be accurately aligned with the wooden boards, and improving the compatibility of the equipment as well as the production efficiency and yield.

[0016] In summary, the beneficial effects of the present utility model are as follows:

[0017] According to the actual length of the wooden board, the first servo motor can automatically control the depth of the adjusting part buried in the glue box to control the length of the glue outlet, so that the width of the glue outlet matches the width of the film, which can save costs and improve the efficiency of glue application. The conveying platform can adjust the width of the conveying platform through the driving assembly to quickly adapt to wooden boards of different sizes. This equipment has high compatibility, is more rapid and convenient to adjust, and has higher production efficiency. Description of the Drawings

[0018] Figure 1 is a schematic structural diagram of an embodiment of the automatic single-side adjustable wrapping machine of the present utility model.

[0019] Figure 2 is a side view of an embodiment of the automatic single-side adjustable wrapping machine of the present utility model.

[0020] Figure 3 is a schematic structural diagram of an embodiment of the glue application device of the automatic single-side adjustable wrapping machine of the present utility model.

[0021] Figure 4 is Figure 3 an enlarged schematic diagram of structure B in

[0022] Figure 5 is a rear view of an embodiment of the glue application device of the automatic single-side adjustable wrapping machine of the present utility model.

[0023] Figure 6 isFigure 1 Enlarged schematic diagram of structure A

[0024] Explanation of the reference numerals in the figure:

[0025] 1. Automatic single-side adjustable wrapping machine; 2. Frame; 3. Film feeding device; 4. Glue coating device; 41. Bracket; 42. Glue box; 421. Glue outlet; 43. First servo motor; 44. Adjusting member; 45. First guide rail; 46. First slider; 47. Driving wheel; 48. Driven wheel; 49. Belt; 410. First lead screw; 420. First round roller; 430. Base; 431. Second guide rail; 440. Handwheel; 450. Transmission rod; 460. First connecting plate; 470. Second connecting plate; 480. First pressing rod; 490. Second pressing rod; 4100. Telescopic cylinder; 4110. Groove; 5. Conveying device; 51. First film pressing roller; 52. Conveying platform; 521. First track; 522. Second track; 523. Support column; 524. Upright rod; 53. Driving assembly; 531. Second servo motor; 532. Steering gear; 533. Second lead screw; 534. Connecting rod; 54. Second film pressing roller; 6. Film; 7. Wood board. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art shall fall within the protection scope of the present invention.

[0027] Those skilled in the art should understand that in the disclosure of the present invention, the orientation or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limiting the present invention.

[0028] In the description of the present invention, if there are descriptions with words such as "several", its meaning is one or more, and the meaning of multiple is two or more. Understand that greater than, less than, exceeding, etc. do not include the present number, and above, below, within, etc. are understood to include the present number. If there are descriptions of first, second, third, etc., they are only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0029] The following will further elaborate on the embodiments of the present utility model in conjunction with the attached Figures 1-6 drawings.

[0030] An automatic single-sided adjustable wrapping machine 1, as Figure 1 shown in Figure 2 , Figure 3 , includes a frame 2, a film feeding device 3 disposed on the frame 2 for storing a film 6, a glue coating device 4, and a conveying device 5 disposed on the frame 2. The glue coating device 4 includes a bracket 41, a glue box 42, a first servo motor 43, and an adjusting member 44. The bracket 41 is disposed on the frame 2, the glue box 42 is disposed on the bracket 41, a glue outlet 421 is provided on a side of the glue box 42, one end of the adjusting member 44 penetrates into the glue box 42, and an end of the adjusting member 44 is hermetically connected to an inner wall of a glue feeding channel in the glue box 42. An output shaft of the first servo motor 43 is fixedly connected to the other end of the adjusting member 44 to drive the adjusting member 44 to move along the length direction of the glue outlet 421, and the length of the glue outlet 421 of the glue box 42 is adjusted by adjusting the length of the adjusting member 44 buried in the glue box 42. A side surface of the film 6 is in close contact with the glue outlet 421. The conveying device 5 includes a first film pressing roller 51, a conveying platform 52, and a driving assembly 53. The first film pressing roller 51 is disposed above the conveying platform 52, a wooden board 7 is placed on the conveying platform 52, and the first film pressing roller 51 is used to wrap the glue-coated film 6 around the wooden board 7. The driving assembly 53 is used to adjust the width of the conveying platform 52.

[0031] According to the actual length of the wooden board 7, the first servo motor 43 can automatically control the depth of the adjusting member 44 buried in the glue box 42 to control the length of the glue outlet 421, so that the glue outlet 421 matches the width of the film 6, which can save costs and improve the efficiency of glue coating. The conveying platform 52 can adjust the width of the conveying platform 52 through the driving assembly 53 to quickly adapt to wooden boards 7 of different sizes. This equipment has high compatibility, is more rapid and convenient to adjust, and has higher production efficiency.

[0032] In this embodiment, please refer to Figure 3 , Figure 4 , Figure 5 . The glue feeding channel is arranged in a cylindrical structure, and a glue outlet 421 is provided on a side surface of the glue feeding channel along its length direction. The adjusting member 44 is arranged in a round rod shape, and a circumferential side of an end of the adjusting member 44 is in interference connection with an inner side wall of the glue feeding channel, with a simple structure, convenient and rapid adjustment, and cost savings.

[0033] In this embodiment, the glue application device 4 further includes a first guide rail 45, a first slider 46, a driving wheel 47, a driven wheel 48, a belt 49 and a first lead screw 410. The first guide rail 45 is fixed to the bracket 41 and located on the side of one end of the glue box 42. The first slider 46 is slidably connected to the first guide rail 45. The driving wheel 47 is fixedly connected to the output shaft of the first servo motor 43. The driven wheel 48 is fixed to one end of the first lead screw 410. A belt 49 is connected between the driving wheel 47 and the driven wheel 48, and is arranged in a staggered manner, making the structure more compact. The first slider 46 is fixed to the first lead screw 410, and the other end of the adjusting member 44 is fixed to the first slider 46. The first lead screw 410 and the first guide rail 45 cooperate with each other to drive the adjusting member 44 by the first slider 46, with higher running stability and adjustment accuracy, which is beneficial to improving the quality of glue application.

[0034] Specifically, the first slider 46 is slidably arranged on the lower side of the first guide rail 45. One end of the first slider 46 is sleeved on the first lead screw 410. The first guide rail 45 and the first lead screw 410 are horizontally and vertically arranged in a staggered manner. The adjusting member 44 is fixed to the other end of the first slider 46. The staggered arrangement makes the structure more compact and reduces the occupied space of the equipment.

[0035] In this embodiment, the glue application device 4 further includes a plurality of first round rollers 420. A plurality of first round rollers 420 are sequentially arranged at intervals and vertically staggered on the upper end of the bracket 41. The film 6 is sequentially wound around and passes through the circumferences of the first round rollers 420 and extends to the glue box 42, which is convenient for making the film 6 fit more closely to the glue box 42, improving the tension of the film 6, and thus making the glue application more uniform. The glue box 42 is arranged below the plurality of first round rollers 420. After passing through the first round rollers 420, the film 6 is attached to the glue outlet 421 of the glue box 42, so that the surface of the film 6 is coated with glue.

[0036] In order to roughly adjust the relative positions of the glue box 42 and the film 6 and improve the adjustment efficiency, the glue application device 4 further includes a base 430, a handwheel 440 and a transmission rod 450. The base 430 is fixedly arranged on the frame 2. A second guide rail 431 is arranged above the base 430. The bracket 41 is slidably arranged on the second guide rail 431. One end of the transmission rod 450 passes through the base 430 and is fixedly connected to the bracket 41. The other end of the transmission rod 450 is fixedly connected to the handwheel 440. It is convenient to adjust the position of the glue box 42 according to the position and width of the film 6, improving the compatibility of the equipment and the production efficiency.

[0037] To make the glue application more uniform, the glue application device 4 further includes a first connecting plate 460, a second connecting plate 470, a first pressing rod 480, a second pressing rod 490 and two telescopic cylinders 4100. One end of the first connecting plate 460 is slidably connected to one side of the bracket 41, and one end of the second connecting plate 470 is slidably connected to the other side of the bracket 41. A telescopic cylinder 4100 is fixedly connected to the side surfaces of the first connecting plate 460 and the second connecting plate 470, so that the operations at both ends of the first pressing rod 480 and the second pressing rod 490 are synchronized and more stable. A first pressing rod 480 and a second pressing rod 490 are fixedly connected between the other end of the first connecting plate 460 and the other end of the second connecting plate 470. The first pressing rod 480 and the second pressing rod 490 are arranged at an interval up and down. The glue outlet 421 is located between the first pressing rod 480 and the second pressing rod 490. The first pressing rod 480 and the second pressing rod 490 are used to closely attach the film 6 to the glue outlet 421 to improve the quality of glue application.

[0038] Among them, the first connecting plate 460 and the second connecting plate 470 are arranged with the same structure. The first connecting plate 460 and the second connecting plate 470 are both arranged in an L-shaped structure. A corresponding groove 4110 is provided on the side of the first connecting plate 460 that fits the glue box 42. So that the first pressing rod 480, the second pressing rod 490 and the outer side surface of the glue box 42 fit more closely, preventing the film 6 from wrinkling during glue application and the glue application from being uneven in thickness, and improving the uniformity of glue application and the quality and efficiency of production.

[0039] In this embodiment, please refer to Figure 1 , Figure 6 , the conveying platform 52 includes a first track 521, a second track 522, multiple support columns 523 and multiple vertical rods 524. The multiple support columns 523 are arranged at intervals along the conveying direction of the wooden board 7, and the length direction of the support columns 523 is perpendicular to the conveying direction. The first track 521 is fixed to one side of the frame 2, and the second track 522 is slidably arranged on the other side of the frame 2. The length directions of the first track 521 and the second track 522 are both consistent with the conveying direction. Specifically, the second track 522 is slidably arranged on the multiple support columns 523. Multiple vertical rods 524 are fixedly arranged at intervals along the length directions above the first track 521 and the second track 522. The vertical rods 524 on both sides are used to fix the position of the wooden board 7 during the conveying process.

[0040] The driving assembly 53 includes a second servo motor 531, a steering gear 532, a second lead screw 533 and a connecting rod 534. There are at least two steering gears 532 and at least one connecting rod 534. A plurality of steering gears 532 are arranged at intervals on the second track 522, and one connecting rod 534 is arranged between two adjacent steering gears 532. Each steering gear 532 is correspondingly provided with a second lead screw 533, and the length direction of the second lead screw 533 is perpendicular to the length direction of the connecting rod 534. The output shaft of the second servo motor 531 is connected to one side of a steering gear 532, and one end of the second lead screw 533 is fixedly connected to the adjacent side of the side of the steering gear 532 connected to the second servo motor 531, and the other end of the second lead screw 533 is fixedly connected to the second track 522. The distance between the second track 522 and the first track 521 is unidirectionally and automatically adjusted to adapt to wooden boards 7 of different sizes, which is convenient for fixing the wooden boards 7, enabling the film 6 to be accurately aligned with the wooden boards 7, and improving the compatibility of the equipment and the production efficiency and yield.

[0041] The conveying device 5 further includes a second film pressing roller 54. The second film pressing roller 54 is arranged in front of the first film pressing roller 51 in the conveying direction. The second film pressing roller 54 is used to re-press the wooden board 7 with the film 6 pasted thereon after being pressed by the first film pressing roller 51, so that the film 6 and the wooden board 7 are better coated, improving the quality of film coating.

[0042] During use, according to the placement position of the film 6, the handwheel 440 can be manually rotated to adjust the position of the glue box 42, so that the glue box 42 and the film 6 are on the same axis, facilitating glue application. When the width of the film 6 is smaller than the width of the glue outlet 421, the corresponding width of the film 6 is set in the controller. The controller controls the first servo motor 43 and the second servo motor 531 to rotate to drive the corresponding adjusting member 44 and the second track 522 to adjust the corresponding distance. The automation operation has high efficiency and high adjustment accuracy. When the work is completed, the adjusting member 44 and the second track 522 automatically return to the initially set position, facilitating the adjustment for the next operation.

[0043] The embodiments of the present specific implementation manners are all preferred embodiments of the present application, and do not limit the protection scope of the present application accordingly. The same components are denoted by the same reference numerals. Therefore, all equivalent changes made according to the structure, shape and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. An automatic single-sided adjustable wrapping machine (1), characterized in that, It includes a frame (2), a film feeding device (3) arranged on the frame (2) for storing a film (6), a glue coating device (4), and a conveying device (5) arranged on the frame (2); The glue coating device (4) includes a bracket (41), a glue box (42), a first servo motor (43), and an adjusting member (44); the bracket (41) is arranged on the frame (2), the glue box (42) is arranged on the bracket (41), a glue outlet (421) is arranged on the side of the glue box (42), one end of the adjusting member (44) penetrates into the glue box (42), and the end of the adjusting member (44) is hermetically connected to the inner wall of the glue feeding channel in the glue box (42), the output shaft of the first servo motor (43) is fixedly connected to the other end of the adjusting member (44) to drive the adjusting member (44) to move along the length direction of the glue outlet (421), and the length of the glue outlet (421) of the glue box (42) is adjusted by adjusting the length of the adjusting member (44) buried in the glue box (42); the side of the film (6) is in close contact with the glue outlet (421); The conveying device (5) includes a first film pressing roller (51), a conveying platform (52), and a driving assembly (53), the first film pressing roller (51) is arranged above the conveying platform (52), a wooden board (7) is placed on the conveying platform (52), and the first film pressing roller (51) is used for covering the glue-coated film (6) on the wooden board (7); the driving assembly (53) is used for adjusting the width of the conveying platform (52).

2. The automatic single-sided adjustable covering machine (1) according to claim 1, characterized in that, The glue feeding channel is arranged as a cylindrical structure, and the glue outlet (421) is arranged on the side of the glue feeding channel along its length direction; the adjusting member (44) is arranged as a round rod structure, and the circumferential side of the end of the adjusting member (44) is in interference connection with the inner wall of the glue feeding channel.

3. The automatic single-sided adjustable covering machine (1) according to claim 1, wherein, The glue coating device (4) further includes a first guide rail (45), a first slider (46), a driving wheel (47), a driven wheel (48), a belt (49), and a first lead screw (410); the first guide rail (45) is fixed on the bracket (41) and located on the side of one end of the glue box (42), the first slider (46) is slidably connected to the first guide rail (45); the driving wheel (47) is fixedly connected to the output shaft of the first servo motor (43), the driven wheel (48) is fixed to one end of the first lead screw (410), and the belt (49) is connected between the driving wheel (47) and the driven wheel (48); the first slider (46) is fixed on the first lead screw (410), and the other end of the adjusting member (44) is fixed to the first slider (46).

4. The automatic single-side adjustable covering machine (1) according to claim 3, characterized in that, The first slider (46) is slidably arranged on the lower side of the first guide rail (45). One end of the first slider (46) is sleeved on the first lead screw (410). The first guide rail (45) and the first lead screw (410) are horizontally and vertically offset. The adjusting member (44) is fixed to the other end of the first slider (46).

5. The automatic single-side adjustable covering machine (1) according to claim 1, characterized in that, The glue application device (4) further includes a plurality of first round rollers (420). The upper end of the bracket (41) is provided with a plurality of the first round rollers (420) at intervals and vertically offset in sequence. The film (6) is wound around and passes through the circumferences of the first round rollers (420) in sequence and extends to the glue box (42). The glue box (42) is arranged below the plurality of first round rollers (420).

6. The automatic single-side adjustable covering machine (1) according to claim 1, characterized in that, The glue application device (4) further includes a base (430), a handwheel (440) and a transmission rod (450). The base (430) is fixedly arranged on the frame (2). A second guide rail (431) is arranged above the base (430). The bracket (41) is slidably arranged on the second guide rail (431). One end of the transmission rod (450) passes through the base (430) and is fixedly connected to the bracket (41). The other end of the transmission rod (450) is fixedly connected to the handwheel (440).

7. The automatic single-sided adjustable covering machine (1) according to claim 1, characterized in that, The glue application device (4) further includes a first connecting plate (460), a second connecting plate (470), a first pressing rod (480), a second pressing rod (490) and two telescopic cylinders (4100). One end of the first connecting plate (460) is slidably connected to one side of the bracket (41). One end of the second connecting plate (470) is slidably connected to the other side of the bracket (41). One telescopic cylinder (4100) is fixedly connected to the side surfaces of the first connecting plate (460) and the second connecting plate (470) respectively. A first pressing rod (480) and a second pressing rod (490) are fixedly connected between the other end of the first connecting plate (460) and the other end of the second connecting plate (470). The first pressing rod (480) and the second pressing rod (490) are arranged at intervals vertically. The glue outlet (421) is located between the first pressing rod (480) and the second pressing rod (490). The first pressing rod (480) and the second pressing rod (490) are used to closely attach the film (6) to the glue outlet (421).

8. The automatic single-sided adjustable covering machine (1) according to claim 7, characterized in that, The first connecting plate (460) and the second connecting plate (470) are arranged in the same structure. The first connecting plate (460) and the second connecting plate (470) are both arranged in an L-shaped structure. A corresponding groove (4110) is arranged on the side of the first connecting plate (460) that fits the glue box (42).

9. The automatic single-side adjustable covering machine (1) according to claim 1, characterized in that, The conveying platform (52) includes a first track (521) and a second track (522). The first track (521) is fixed to one side of the frame (2), and the second track (522) is slidably arranged on the other side of the frame (2). The length directions of the first track (521) and the second track (522) are both consistent with the conveying direction; the driving assembly (53) includes a second servo motor (531), a steering gear (532), a second lead screw (533) and a connecting rod (534); at least two steering gears (532) and the second lead screw (533) are provided, and at least one connecting rod (534) is provided; a plurality of the steering gears (532) are arranged at intervals on the second track (522), and one connecting rod (534) is arranged between two adjacent steering gears (532). Each steering gear (532) corresponds to a second lead screw (533), and the length direction of the second lead screw (533) is perpendicular to the length direction of the connecting rod (534); the output shaft of the second servo motor (531) is connected to one side of a steering gear (532), one end of the second lead screw (533) is fixedly connected to the adjacent side of the side of the steering gear (532) connected to the second servo motor (531), and the other end of the second lead screw (533) is fixedly connected to the second track (522).

Images