A torsion mechanism of a coating machine

Abstract

The present application relates to the technical field of glass plate coating, in particular to a torsion mechanism of a coating machine, which comprises a mounting frame, a suction plate arranged on the mounting frame, and a viscous suction plate arranged on the suction plate, a mounting seat is arranged on the mounting frame, a first air cylinder is fixedly arranged on the mounting seat, a connecting plate is fixedly arranged on the rotating shaft of the first air cylinder, a rotating cylinder is rotatably arranged on the connecting plate, a telescopic rod is insertedly arranged in the rotating cylinder, clamping rods are fixedly arranged on the telescopic rod, the mounting seat is provided with a first driving motor, a first gear is arranged on the rotating cylinder, a second gear is arranged on the rotating shaft of the first driving motor, a rotating block is arranged on the viscous suction plate, a rotating rod is fixedly arranged on the rotating block, and the rotating rod is located between the two clamping rods, the present application has the effects of reducing the wear of the rotating block and prolonging the service life of the viscous suction plate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of glass plate coating, in particular to a torsion mechanism of a coating machine. BACKGROUND

[0002] Glass plates such as automobile windshields need to be coated after production, thereby increasing the aesthetics of the glass panel while protecting the glass. Now it is common to coat through a glass coating machine.

[0003] A common glass coating machine is equipped with a product carrier, which includes a mounting frame, a mounting plate arranged on the mounting frame, and an adhesive suction cup arranged on the mounting plate. When the glass is placed on the mounting plate, the adhesive suction cup firmly adsorbs the glass plate. When it needs to be loosened, the torsion mechanism for rotating the rotating block of the adhesive suction cup includes a torsion cylinder and a lifting device. The lifting device is arranged on the mounting frame, and a motor is arranged on the lifting device. The torsion cylinder is arranged on the rotating shaft of the motor, and the cylinder opening of the torsion cylinder is matched with the rotating block of the adhesive suction cup. The lifting device is driven to allow the torsion cylinder to be sleeved on the rotating block of the adhesive suction cup, and then the motor is driven to allow the torsion cylinder to drive the rotating block to rotate, thereby allowing the adhesive suction cup to rotate and separate from the glass plate.

[0004] In the case of severe deformation or inaccurate positioning of the carrier, the adhesive suction cup and the lower torsion mechanism cannot be centered, thereby causing wear of the torsion mechanism and the rotating block, resulting in a shorter service life.

[0005] Therefore, the present application designs a torsion mechanism of a coating machine to solve the above problems. SUMMARY

[0006] The present application aims to provide a torsion mechanism of a coating machine to solve the above technical problems.

[0007] In order to achieve the above object, the present application provides the following technical scheme: a torsion mechanism of a coating machine, comprising a mounting frame, a suction plate arranged on the mounting frame, and a viscous suction disc arranged on the suction plate, a mounting seat is arranged on the mounting frame, a first air cylinder is fixedly arranged on the mounting seat, a connecting plate is fixedly arranged on the rotating shaft of the first air cylinder, a rotating cylinder is rotatably arranged on the connecting plate, a telescopic rod is insertedly arranged in the rotating cylinder, a clamping rod is fixedly arranged on the telescopic rod, the mounting seat is provided with a first driving motor, a first gear is arranged on the rotating cylinder, a second gear coaxially fixedly arranged on the rotating shaft of the first driving motor is engaged with the first gear, a rotating block is arranged on the viscous suction disc, a rotating rod is fixedly arranged on the rotating block, when the connecting plate rises, the rotating rod is located between the two clamping rods, a limiting slot is formed in the rotating cylinder, and a limiting rod is fixedly arranged on the telescopic rod and located in the limiting slot.

[0008] By adopting the above technical scheme, when the glass plate needs to be separated from the viscous suction disc, the first driving motor is driven to drive the second gear to rotate the first gear, thereby driving the rotating cylinder to rotate, the telescopic rod moves towards the side of the rotating block, the rotating rod is located between the two clamping rods, the first driving motor is driven to drive the two clamping rods to rotate, thereby driving the rotating rod to rotate, the rotating block drives the viscous suction disc to rotate, thereby separating the viscous suction disc from the glass plate, and the effect of reducing the wear of the rotating block is achieved.

[0009] Preferably, the rotating cylinder is provided with a telescopic spring, and the lower end of the telescopic rod abuts against the telescopic spring.

[0010] By adopting the above technical scheme, when the clamping rod moves towards the side of the rotating rod and abuts against the rotating rod, the telescopic spring can buffer the connecting rod at this time, and when the rotating cylinder rotates, the rotating rod is located between the two clamping rods after the clamping rod rotates, thereby achieving the effect of protecting the rotating rod.

[0011] Preferably, the rotating cylinder is provided with two on the connecting plate, one of the rotating cylinders is provided with a third gear, a fourth gear is rotatably arranged on the connecting plate, the fourth gear is engaged with the second gear, the third gear is engaged with the fourth gear, and the rotating directions of the first gear and the fourth gear are opposite.

[0012] By adopting the above technical scheme, the rotating directions of the first gear and the fourth gear are opposite, the rotating forces generated when the two viscous suction discs are separated from each other are offset, thereby avoiding driving the glass plate to move.

[0013] Preferably, a moving frame is arranged on the mounting frame, and the mounting seat is fixedly arranged on the moving frame.

[0014] Through the above technical scheme, the mobile frame drives the clamping rod to move, so that the position of the clamping rod is conveniently adjusted.

[0015] Preferably, the mounting frame is rotationally provided with a second cylinder, the mounting frame is rotationally provided with a placing frame, the suction plate is arranged on the placing frame, the placing frame is fixedly provided with a connecting rod, the connecting ring is fixedly arranged on the extension shaft of the second cylinder, and the connecting ring is rotationally arranged on the connecting rod.

[0016] Through the above technical scheme, the second cylinder is driven to rotate the connecting rod and drive the entire placing frame to move, so that the angle of the placing frame is adjusted.

[0017] Preferably, the placing frame is provided with a first guide cylinder, a plurality of first guide cylinders are arranged, the mounting frame is fixedly provided with a standby rack, the standby rack is provided with a second guide cylinder, the suction plate is placed on the first guide cylinder, and the suction plate is placed on the second guide cylinder when standby materials are prepared.

[0018] Through the above technical scheme, when the suction plate is placed on the standby rack, the suction plate on the standby rack is allowed to enter the placing frame to separate the glass plate after the glass plate on the placing frame is separated from the suction plate, so that the working efficiency is improved.

[0019] Preferably, the placing frame is fixedly provided with a fixing seat, the fixing seat is fixedly provided with a third cylinder, the fixing plate is fixedly arranged on the extension shaft of the third cylinder, the second driving motor is fixedly arranged on the fixing plate, the positioning rod is fixedly arranged on the rotating shaft of the second driving motor, the placing frame is fixedly provided with a positioning block, and the suction plate is located between the positioning rod and the positioning block.

[0020] Through the above technical scheme, the third cylinder is driven to retract the positioning rod, so that the positioning rod abuts against the suction plate, the glass plate is located between the positioning rod and the positioning block, and the placement of the suction plate is stabilized.

[0021] Preferably, the placing frame is fixedly provided with a fourth cylinder, the pushing block is fixedly arranged on the extension shaft of the fourth cylinder, the pushing block abuts against the suction plate, and the extension direction of the fourth cylinder is perpendicular to the extension direction of the third cylinder.

[0022] Through the above technical scheme, the fourth cylinder is driven to abut against the suction plate, so that the position of the suction plate is adjusted.

[0023] In summary, the application has the following beneficial technical effects: when the glass plate needs to be separated from the sticky suction cup, the first driving motor is driven to drive the second gear to rotate the first gear, thereby driving the rotating cylinder to rotate, the connecting rod moves towards the rotating block side, the rotating rod is located between the two clamping rods, the first driving motor is driven to drive the two clamping rods to rotate, thereby driving the rotating rod to rotate, the rotating block drives the sticky suction cup to rotate, thereby separating the sticky suction cup from the glass plate, and the effect of reducing the wear of the rotating block is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0025] Figure 1 The overall structure of the mounting frame in the present embodiment is shown in the schematic diagram.

[0026] Figure 2 The structure schematic diagram of the suction cup plate placed on the placing rack in the present embodiment is shown in the schematic diagram.

[0027] Figure 3 The structure schematic diagram of the placing rack in the present embodiment is shown in the schematic diagram.

[0028] Figure 4 The installation schematic diagram of the second cylinder in the present embodiment is shown in the schematic diagram.

[0029] Figure 5 The position schematic diagram of the positioning rod in the present embodiment is shown in the schematic diagram.

[0030] Figure 6 The structure schematic diagram of the second driving motor in the present embodiment is shown in the schematic diagram.

[0031] Figure 7 The structure schematic diagram of the moving frame in the present embodiment is shown in the schematic diagram.

[0032] Figure 8 The installation schematic diagram of the mounting cylinder in the present embodiment is shown in the schematic diagram.

[0033] Figure 9 The installation schematic diagram of the first gear in the present embodiment is shown in the schematic diagram.

[0034] Figure 10 The structure schematic diagram of the suction cup plate in the present embodiment is shown in the schematic diagram.

[0035] Figure 11 The Figure 10 enlarged schematic diagram of A in the present embodiment is shown in the schematic diagram.

[0036] In the drawings, the components represented by each reference numeral are listed as follows:

[0037] 1, mounting frame; 2, suction plate; 3, adhesive suction cup; 4, left placement part; 5, middle placement part; 6, right placement part; 7, placement frame; 8, vertical plate; 9, first guide cylinder; 10, standby frame; 11, second guide cylinder; 12, positioning block; 13, fixed seat; 14, fourth cylinder; 15, fixed plate; 16, rotating rod; 17, positioning rod; 18, fourth cylinder; 19, push block; 20, connecting seat; 21, second cylinder; 22, connecting rod; 23, connecting ring; 24, moving frame; 25, moving plate; 26, guide plate; 27, moving device; 28, mounting seat; 29, first cylinder; 30, sliding seat; 31, connecting plate; 32, mounting cylinder; 33, bearing; 34, rotating column; 35, rotating cylinder; 36, telescopic rod; 37, clamping rod; 38, telescopic spring; 39, limiting groove; 40, limiting rod; 41, cross plate; 42, first drive motor; 43, first gear; 44, second gear; 45, third gear; 46, fourth gear; 47, rotating block; 48, second drive motor. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application. Figures 1-11 The present application is further described in detail.

[0040] Reference Figures 1-6 A torsion mechanism of a coating machine, comprising a mounting frame 1, a suction plate 2 arranged on the mounting frame 1, and an adhesive suction cup 3 arranged on the suction plate 2. The suction plate 2 comprises a left placement part 4, a middle placement part 5, and a right placement part 6, and the left placement part 4, the middle placement part 5, and the right placement part 6 are all provided with the adhesive suction cup 3. A placement frame 7 is rotatably arranged on the mounting frame 1, a vertical plate 8 is fixedly arranged on the placement frame 7, a first guide cylinder 9 is rotatably arranged on the vertical plate 8, and two vertical plates 8 are correspondingly arranged on the placement frame 7, and a tray plate is placed on the first guide cylinder 9. A standby frame 10 is fixedly arranged on the mounting frame 1, a second guide cylinder 11 is arranged on the standby frame 10, the first guide cylinder 9 and the second guide cylinder 11 are at the same horizontal height, a positioning block 12 is fixedly arranged on the placement frame 7, and the positioning block 12 is in contact with the side of the suction plate 2 away from the standby frame 10.

[0041] Reference Figures 1-6The fixing seat 13 is fixedly arranged on the placing rack 7, the third cylinder 14 is fixedly arranged on the fixing seat 13, the third cylinder 14 is located below the suction plate 2, the fixing plate 15 is fixedly arranged on the extension shaft of the third cylinder 14, the second driving motor 48 is fixedly arranged on the fixing plate 15, and the positioning rod 17 is fixedly arranged on the rotating shaft of the second driving motor 48. The suction plate 2 is located between the positioning rod 17 and the positioning block 12, the third cylinder 14 is driven, the positioning rod 17 is abutted on the suction plate 2, and the position of the suction plate 2 is adjusted. The fourth cylinder 18 is fixedly arranged on the placing rack 7, the push block 19 is fixedly arranged on the extension shaft of the fourth cylinder 18, and the fourth cylinder 18 is correspondingly arranged on the placing rack 7. The two push blocks 19 are abutted on the suction plate 2 respectively, the extension direction of the fourth cylinder 18 is perpendicular to the extension direction of the third cylinder 14, the position of the suction plate 2 is further adjusted, and the suction plate is moved to a required position.

[0042] With reference to Figures 3-4 The connecting seat 20 is fixedly arranged on the mounting rack 1, the second cylinder 21 is rotatably arranged on the connecting seat 20, the connecting rod 22 is fixedly arranged on the placing rack 7, the connecting ring 23 is fixedly arranged on the extension shaft of the second cylinder 21, and the connecting ring 23 is rotatably arranged on the connecting rod 22. When the second cylinder 21 is driven to work, the connecting ring 23 drives the connecting rod 22 to rotate, so that the placing rack 7 is rotated, and the angle of the suction plate 2 is adjusted.

[0043] With reference to Figures 7-11 The moving rack 24 is arranged on the mounting rack 1, the moving plate 25 is fixedly arranged on the moving rack 24, the guide plate 26 is fixedly arranged on the mounting rack 1, the moving plate 25 is placed on the guide plate 26, the guide plate 26 is correspondingly arranged on the mounting rack 1, the moving device 27 for moving the moving rack 24 is arranged on the mounting rack 1, and the moving device 27 in the embodiment is a tank belt. The mounting seat 28 is fixedly arranged on the moving rack 24, the first cylinder 29 is fixedly arranged on the mounting seat 28, the sliding seat 30 is vertically and fixedly connected to the rotating shaft of the first cylinder 29, and the connecting plate 31 is fixedly arranged on the sliding seat 30.

[0044] With reference to Figures 7-11The rotating column 34 is fixedly provided with a rotating cylinder 35, the rotating cylinder 35 is provided with a telescopic rod 36 in a plug-in manner, the telescopic rod 36 is fixedly provided with a clamping rod 37, the clamping rod 37 is provided with two, the lower side of the rotating cylinder 35 is closed, the rotating cylinder 35 is provided with a telescopic spring 38, the upper end of the telescopic spring 38 abuts against the lower end of the telescopic rod 36, and the lower end of the telescopic spring 38 abuts against the bottom of the rotating cylinder 35. The rotating cylinder 35 is provided with a limiting groove 39, the telescopic rod 36 is fixedly provided with a limiting rod 40, the limiting rod 40 is located in the limiting groove 39, and the telescopic rod 36 can be prevented from being separated from the rotating cylinder 35.

[0045] With reference to Figures 7-11 The sliding seat 30 is fixedly provided with a cross plate 41, the cross plate 41 is fixedly provided with a first driving motor 42, and the mounting cylinder 32 is provided with two on the connecting plate 31, one of which is coaxially and fixedly provided with a first gear 43 on the rotating column 34, and the other is coaxially and fixedly provided with a fourth gear 46 on the rotating column 34. The connecting plate 31 is rotatably provided with a third gear 45, the third gear 45 is engaged with the fourth gear 46, the rotating shaft of the first driving motor 42 is coaxially and fixedly provided with a second gear 44 engaged with the first gear 43, the second gear 44 is engaged with the third gear 45, and the rotating directions of the first gear 43 and the fourth gear 46 are opposite.

[0046] With reference to Figures 7-11 The rotating block 47 is provided on the viscous suction disc 3, and in the prior art, the rotating block 47 is used to drive the viscous suction disc 3 to rotate. The rotating block 47 is fixedly provided with a rotating rod 16. When the glass panel needs to be separated from the suction disc plate 2, the glass panel is placed on the placing rack 7, the third cylinder 14 and the fourth cylinder 18 are driven, and the position of the suction disc plate 2 is adjusted. After the position of the rotating cylinder 35 is adjusted by driving the first driving motor 42, the rotating cylinder 35 is moved towards the side of the viscous suction disc 3, the rotating rod 16 is located between the two clamping rods 37, the first driving motor 42 is driven, the two clamping rods 37 abut against the rotating rod 16, and when the clamping rod 37 rotates with the rotating shaft of the first driving motor 42, the rotating rod 16 is driven to rotate, thereby driving the viscous suction disc 3 to rotate, so that the viscous suction disc 3 is separated from the glass plate, and damage to the rotating block 47 caused by misalignment is avoided, thereby achieving the effect of reducing damage to the rotating block 47.

[0047] With reference to Figures 1-4The glass plate after coating is separated on the placing rack 7, the suction plate 2 of the glass plate to be separated can be placed on the standby rack 10 in advance, after the glass plate on the placing rack 7 is separated, the second guide cylinder 11 is rotated, and the suction plate 2 of the glass plate not separated is sent to the first guide cylinder 9. When the suction plate 2 moves between the standby rack 10 and the placing rack 7, the positioning rod 17 at this time is rotated to below the suction plate 2, so as to prevent the positioning rod 17 from interfering with the suction plate 2, when the suction plate 2 is positioned, the second motor is driven, the orientation of the positioning rod 17 is adjusted, and the positioning rod 17 is abutted on the side wall of the suction plate 2.

[0048] With reference to Figures 1-5 The orientations of the adhesive suction plates 3 on the left placing part 4, the middle placing part 5 and the right placing part 6 are different, after the suction plate 2 is placed on the placing rack 7 and positioned, the rotating rod 16 on the adhesive suction plate 3 on the middle placing part is perpendicular to the clamping rod 37, so that the clamping rod 37 can be directly lifted to abut against the rotating rod 16 to rotate; the rotating rod 16 on the adhesive suction plate 3 on the left placing part 4 and the right placing part 6 is not perpendicular to the clamping rod 37, so that the second cylinder 21 needs to be driven, the connecting ring 23 drives the connecting rod 22 to rotate, so as to drive the whole placing rack 7 to rotate, the orientation of the left placing part 4 and the orientation of the adhesive suction plate 3 on the right placing part 6 are adjusted, so that the clamping rod 37 can be perpendicular to the rotating rod 16, and the effect that the angle of the placing rack 7 is conveniently adjusted is achieved.

[0049] The implementation principle of the embodiment is that when the glass panel needs to be separated from the suction plate 2, the glass panel is placed on the placing rack 7, the third cylinder 14 and the fourth cylinder 18 are driven to adjust the position of the suction plate 2, then the second cylinder 21 is driven to adjust the angle of the suction plate 2, so that one of the three regions of the left placing part 4, the middle placing part 5 and the right placing part 6 is separated from the glass panel first; the moving device 27 is driven, the rotating cylinder 35 is moved to the required position, then the first cylinder 29 is driven to move the rotating cylinder 35 to the side of the adhesive suction plate 3, so that the rotating rod 16 is located between the two clamping rods 37, the first driving motor 42 is driven, the two clamping rods 37 abut against the rotating rod 16, when the clamping rod 37 rotates around the rotating shaft of the first driving motor 42, the rotating rod 16 is driven to rotate, so as to drive the adhesive suction plate 3 to rotate, the adhesive suction plate 3 is separated from the glass plate, the damage of the rotating block 47 caused by misalignment is avoided, and the effect that the damage of the rotating block 47 is reduced is achieved.

[0050] After the adhesive suction plate 3 in one region of the suction plate 2 is separated from the glass plate, the angle of the suction plate 2 is adjusted, and the position of the rotating cylinder 35 is adjusted at the same time, so as to separate the glass plate in the next region.

[0051] In the description of the application, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0052] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screwed" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning in the specific circumstances by those skilled in the art.

[0053] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A torsion mechanism of a coating machine, comprising a mounting frame (1), a suction cup plate (2) arranged on the mounting frame (1), and a sticky suction cup (3) arranged on the suction cup plate (2), characterized in that: The mounting frame (1) is provided with a mounting seat (28), a first cylinder (29) is fixedly provided on the mounting seat (28), a connecting plate (31) is fixedly provided on the rotating shaft of the first cylinder (29), a rotating cylinder (35) is rotatably provided on the connecting plate (31), a telescopic rod (36) is inserted in the rotating cylinder (35), a clamping rod (37) is fixedly provided on the telescopic rod (36), and two clamping rods (37) are provided. A first driving motor (42) is provided on the mounting seat (28), and a first driving motor (42) is provided on the rotating cylinder (35). A gear (43) is coaxially fixed on the rotating shaft of the first driving motor (42) and is meshed with the first gear (43). The sticky suction cup (3) is provided with a rotating block (47). A rotating rod (16) is fixed on the rotating block (47). When the connecting plate (31) rises, the rotating rod (16) is located between the two clamping rods (37). A limiting groove (39) is provided on the rotating cylinder (35). A limiting rod (40) is fixed on the telescopic rod (36). The limiting rod (40) is located in the limiting groove (39).

2. The torsion mechanism of a coating machine according to claim 1, characterized in that: A telescopic spring (38) is provided in the rotating cylinder (35), and the lower end of the telescopic rod (36) abuts against the telescopic spring (38).

3. The torsion mechanism of a coating machine according to claim 2, characterized in that: Two rotating cylinders (35) are provided on the connecting plate (31), one of the rotating cylinders (35) is provided with a third gear (45), and a fourth gear (46) is rotatably provided on the connecting plate (31), the fourth gear (46) is meshed with the second gear (44), and the third gear (45) is meshed with the fourth gear (46), and the first gear (43) and the fourth gear (46) rotate in opposite directions.

4. The torsion mechanism of a coating machine according to claim 1, characterized in that: A movable frame (24) is provided on the mounting frame (1), and the mounting seat (28) is fixedly provided on the movable frame (24).

5. The torsion mechanism of a coating machine according to claim 1, characterized in that: A second cylinder (21) is rotatably provided on the mounting frame (1), a placement frame (7) is rotatably provided on the mounting frame (1), the suction cup plate (2) is provided on the placement frame (7), a connecting rod (22) is fixedly provided on the placement frame (7), a connecting ring (23) is fixedly provided on the telescopic shaft of the second cylinder (21), and the connecting ring (23) is rotatably provided on the connecting rod (22).

6. The torsion mechanism of a coating machine according to claim 5, characterized in that: The placement rack (7) is provided with a first guide cylinder (9), and a plurality of the first guide cylinders (9) are provided. The mounting rack (1) is fixedly provided with a material preparation rack (10), and the material preparation rack (10) is provided with a second guide cylinder (11). The suction cup plate (2) is placed on the first guide cylinder (9), and the suction cup plate (2) is placed on the second guide cylinder (11) when preparing materials.

7. The torsion mechanism of a coating machine according to claim 5, characterized in that: A fixing seat (13) is fixedly provided on the placement rack (7), a third cylinder (14) is fixedly provided on the fixing seat (13), a fixing plate (15) is fixedly provided on the telescopic shaft of the third cylinder (14), a second driving motor (48) is fixedly provided on the fixing plate (15), a positioning rod (17) is fixedly provided on the rotating shaft of the second driving motor (48), a positioning block (12) is fixedly provided on the placement rack (7), and the suction cup plate (2) is located between the positioning rod (17) and the positioning block (12).

8. The torsion mechanism of a coating machine according to claim 7, characterized in that: A fourth cylinder (18) is fixedly provided on the placement rack (7), a push block (19) is fixedly provided on the telescopic shaft of the fourth cylinder (18), the push block (19) abuts against the suction cup plate (2), and the telescopic direction of the fourth cylinder (18) is perpendicular to the telescopic direction of the third cylinder (14).

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