Coating machine capable of adjusting roller spacing

Abstract

The utility model relates to the technical field of coating machines, in particular to a coating machine capable of adjusting roller spacing, which comprises a machine body, a motor, a first roller and a second roller, the first roller and the second roller are arranged in parallel, a processing gap is reserved between the first roller and the second roller, the motor is mounted on the machine body, the motor is connected with the first roller, the motor can drive the first roller to rotate, and the second roller can drive the second roller to rotate. The device is characterized by further comprising a first shaft, a second shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear and an air cylinder, the first bevel gear is coaxially fixed to the first shaft, the second bevel gear is coaxially fixed to the second shaft, the third bevel gear is coaxially fixed to the first roller, the fourth bevel gear is coaxially fixed to the second roller, and the air cylinder is coaxially fixed to the second shaft. The first bevel gear is meshed with the third bevel gear, the second bevel gear is meshed with the fourth bevel gear, the end of the first shaft / the second shaft is provided with an embedding groove, the end of the second shaft / the first shaft is provided with an embedding block embedded into the embedding groove in a matched mode, and the embedding block can move in the embedding groove in the axial direction of the first shaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coating machine technical field especially relates to a coating machine of adjustable roll spacing. BACKGROUND

[0002] The coating machine is mainly used for the surface coating process production of film, paper and the like, which coats a specified function glue, paint or ink and the like on the base material in roll form and cuts or winds after drying.

[0003] The existing coating machine still has some defects in the process of use: firstly, in the process of coating the surface of the material, the coating machine cannot be adjusted according to the thickness of the material, so that when the material thickness is inconsistent with the roll spacing, the processed material will be uneven due to uneven stress when passing through the processing gap between the two rollers, even leading to the phenomenon of wrinkles or damage of the processed material due to uneven stress, affecting the quality and yield of the product, so further improvement is needed on this basis. TECHNICAL SOLUTION

[0004] To solve the technical problems in the background art, the utility model provides a coating machine with adjustable roll spacing.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A coating machine with adjustable roll spacing, comprising: a machine body, a motor, a first roller and a second roller, the first roller and the second roller are arranged in parallel, a processing gap is left between the first roller and the second roller, the motor is installed on the machine body, the motor is connected to the first roller, and the motor can drive the first roller to rotate, characterized in that it further comprises: a first shaft, a second shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear and an air cylinder, the first bevel gear is coaxially fixed on the first shaft, the second bevel gear is coaxially fixed on the second shaft, the third bevel gear is coaxially fixed on the first roller, the fourth bevel gear is coaxially fixed on the second roller, the first bevel gear is engaged with the third bevel gear, and the second bevel gear is engaged with the fourth bevel gear, the first shaft / second shaft end portion has an embedded groove, the second shaft / first shaft end portion has an embedded block adapted to be embedded in the embedded groove, the embedded block can move axially in the embedded groove, the first shaft and the second shaft are coaxially arranged, the air cylinder is installed on the machine body, and the air cylinder can drive the second shaft and the second roller to move up / down synchronously.

[0007] Preferably, it further comprises a connecting piece, the air cylinder is connected to the connecting piece, the air cylinder can drive the connecting piece to move up / down, one end of the second shaft has a ring groove, the connecting piece has a mounting hole, the inner wall of the mounting hole is adapted to abut against the bottom wall of the ring groove, and the connecting piece is rotationally connected to the second roller, so that when the air cylinder drives the connecting piece to move up / down, the connecting piece can drive the second shaft and the second roller to move up / down synchronously.

[0008] Preferably, the first shaft and the second shaft are arranged vertically, the first roller and the second roller are arranged horizontally, the first bevel gear and the third bevel gear are arranged at an angle of ninety degrees, and the second bevel gear and the fourth bevel gear are arranged at an angle of ninety degrees.

[0009] Preferably, the top end and the bottom end of the ring groove are flush with the top end and the bottom end of the mounting hole, respectively, and the mounting hole of the connecting piece penetrating the second roller is matched with the second roller.

[0010] Preferably, the driving shaft of the air cylinder is arranged in parallel with the first shaft and is arranged in a horizontal direction.

[0011] Compared with the prior art, the coating machine with adjustable roller spacing has the following beneficial effects:

[0012] Compared with the prior art, the air cylinder is arranged to adjust the spacing of the processing gap between the first roller and the second roller, the processing gap can be adjusted according to the thickness of the processing material, the application range of the coating machine as a whole is improved, the roller spacing can be adjusted according to the thickness and properties of the processing material to adapt to the pressure and tension between the processing material and the roller, thereby improving the uniformity of coating on the surface of the processing material, and the plurality of bevel gears are arranged to realize linkage between the first roller and the second roller, which can avoid problems such as stretching, twisting or wrinkling of the material caused by the difference in rotational speed of the rollers, and can also make the processing material bear force uniformly, thereby further improving the consistency of coating on the surface of the processing material. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A structure diagram of the coating machine with adjustable roller spacing according to the present application is shown in the figure.

[0014] Figure 2 A structure diagram of the second roller in the first state in the coating machine with adjustable roller spacing according to the present application is shown in the figure.

[0015] Figure 3 A structure diagram of the second roller in the second state in the coating machine with adjustable roller spacing according to the present application is shown in the figure.

[0016] Figure 4 An internal structure diagram of the connecting piece in the coating machine with adjustable roller spacing according to the present application is shown in the figure.

[0017] In the figure: 1 - machine body, 2 - first roller, 3 - second roller, 4 - motor, 5 - air cylinder, 6 - connecting piece, 7 - first bevel gear, 8 - second bevel gear, 9 - third bevel gear, 10 - fourth bevel gear, 11 - first shaft, 12 - second shaft. DETAILED DESCRIPTION

[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] As shown in Figures 1-4 The present embodiment provides a coating machine with adjustable roller spacing, comprising: a machine body 1, a motor 4, a first roller 2 and a second roller 3, the first roller 2 and the second roller 3 are arranged in parallel, a processing gap is left between the first roller 2 and the second roller 3, the motor 4 is installed on the machine body 1, the motor 4 is connected to the first roller 2, and the motor 4 can drive the first roller 2 to rotate, characterized in that it further comprises: a first shaft 11, a second shaft 12, a first bevel gear 7, a second bevel gear 8, a third bevel gear 9, a fourth bevel gear 10 and an air cylinder 5, the first bevel gear 7 is coaxially fixed on the first shaft 11, the second bevel gear 8 is coaxially fixed on the second shaft 12, the third bevel gear 9 is coaxially fixed on the first roller 2, the fourth bevel gear 10 is coaxially fixed on the second roller 3, the first bevel gear 7 meshes with the third bevel gear 9, the second bevel gear 8 meshes with the fourth bevel gear 10, the first shaft 11 / second shaft 12 end portion has an embedding groove, the second shaft 12 / first shaft 11 end portion has an embedding block adapted to be embedded in the embedding groove, the embedding block can move axially along the first shaft 11 in the embedding groove, the first shaft 11 and the second shaft 12 are coaxially arranged, the air cylinder 5 is installed on the machine body 1, and the air cylinder 5 can drive the second shaft 12 and the second roller 3 to move up / down synchronously.

[0020] Overall, when the surface of the processing material needs to be coated, the processing material is passed through the processing gap and the first roller 2 is driven to rotate by the motor 4. Since the third bevel gear 9 meshes with the first bevel gear 7, the first shaft 11 can be further driven to rotate, and the first shaft 11 in turn drives the second shaft 12 to rotate. Since the second bevel gear 8 meshes with the fourth bevel gear 10, the second roller 3 can be further driven to rotate. The first roller 2 and the second roller 3 have the same speed and opposite directions of rotation. The processing material is fed and extruded by the first roller 2 and the second roller 3, and the coating process on the surface of the processing material can be completed.

[0021] When the coating treatment is needed for the processing material with different thickness, the second roller 3 is moved along the thickness direction of the processing gap by controlling the cylinder 5, and the processing gap between the first roller 2 and the second roller 3 is adjusted according to the thickness of the processing material. During the adjustment of the processing gap between the first roller 2 and the second roller 3, the second shaft 12 / the first shaft 11 end block can move in the shaft direction of the first shaft 11 in the shaft slot. After the adjustment of the processing gap between the first roller 2 and the second roller 3 is completed, the first roller 2 is rotated again by controlling the motor 4. Since the third bevel gear 9 is engaged with the first bevel gear 7, the first shaft 11 can be further rotated, and the second shaft 12 is further rotated by the first shaft 11. Since the second bevel gear 8 is engaged with the fourth bevel gear 10, the second roller 3 can be further rotated, and the rotating speed of the first roller 2 is the same as that of the second roller 3 and the rotating directions are opposite. The feeding and extrusion of the processing material by the first roller 2 and the second roller 3 can realize the coating treatment on the surface of the processing material with different thickness.

[0022] Compared with the prior art, the adjustment of the processing gap between the first roller 2 and the second roller 3 is realized by the cylinder 5, the processing gap can be adjusted according to the thickness of the processing material, the application range of the coating machine is improved, the roller gap can be adjusted according to the thickness and properties of the processing material to adapt to the pressure and tension between the processing material and the roller, thereby improving the uniformity of the coating on the surface of the processing material. The linkage between the first roller 2 and the second roller 3 is realized by the plurality of bevel gears, which can avoid the problems of material stretching, twisting or wrinkling caused by the difference in rotating speed of the rollers, and can make the processing material bear force uniformly, thereby further improving the consistency of the coating on the surface of the processing material.

[0023] As shown in Figures 2-4 In one embodiment, a connecting piece 6 is further included, the cylinder 5 is connected to the connecting piece 6, the cylinder 5 can drive the connecting piece 6 to move upward / downward, one end of the second shaft 12 has a ring groove, the connecting piece 6 has a mounting hole, the inner wall of the mounting hole is adapted to abut against the bottom wall of the ring groove, and the connecting piece 6 is rotationally connected to the second roller 3, so that when the cylinder 5 drives the connecting piece 6 to move upward / downward, the connecting piece 6 can drive the second shaft 12 and the second roller 3 to move upward / downward synchronously.

[0024] Specifically, the connection between the cylinder 5 and the second roller 3 is realized by the connecting piece 6, and the connecting piece 6 has a mounting hole adapted to the ring groove, which can provide mounting space for the second bevel gear 8 and the fourth bevel gear 10, improve the stability between the second bevel gear 8 and the fourth bevel gear 10, and further improve the stability between the first roller 2 and the second roller 3.

[0025] As shown in Figures 3-4As shown in the drawings, in one embodiment, the first shaft 11 and the second shaft 12 are arranged vertically, the first roller 2 and the second roller 3 are arranged horizontally, the first bevel gear 7 and the third bevel gear 9 are arranged at an angle of ninety degrees, and the second bevel gear 8 and the fourth bevel gear 10 are arranged at an angle of ninety degrees.

[0026] Specifically, the first bevel gear 7 and the third bevel gear 9 are arranged at an angle of ninety degrees, and the second bevel gear 8 and the fourth bevel gear 10 are arranged at an angle of ninety degrees, which can facilitate force transmission, make the spatial layout of the machine body 1 more reasonable, and facilitate early installation and later maintenance.

[0027] As shown in the drawings, Figures 3-4 In one embodiment, the top end and the bottom end of the ring groove are flush with the top end and the bottom end of the mounting hole, and the mounting hole of the connecting piece 6 penetrates the second roller 3.

[0028] Specifically, by making the two ends of the ring groove and the mounting hole flush, the outer appearance of the connecting piece 6 can be more beautiful, and daily cleaning and maintenance can be facilitated. Similarly, the adaptation between the second roller 3 and the mounting hole can make the structure more stable while also having aesthetic properties.

[0029] As shown in the drawings, Figure 2 and Figure 4 In one embodiment, the drive shaft of the air cylinder 5 is arranged in parallel with the first shaft 11 and is arranged in a horizontal direction.

[0030] Specifically, by arranging the drive shaft of the air cylinder 5 in parallel with the first shaft 11, the layout of the air cylinder 5 and the first shaft 11 on the machine body 1 can be more reasonable, which can save space while making the overall structure more stable.

[0031] Of course, for those skilled in the art, the present application is not limited to the details of the above exemplary embodiments, but also includes the same or similar structures that can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0032] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0033] The utility model discloses the technology, shape, configuration part that are not detailed description are all known technology.

Claims

1. A coater with adjustable roll spacing, comprising: The machine body (1), the motor (4), the first roller (2) and the second roller (3), the first roller (2) and the second roller (3) are arranged in parallel, the first roller (2) and the second roller (3) are left with a processing gap, the motor (4) is installed on the machine body (1), the motor (4) is connected with the first roller (2), the motor (4) can drive the first roller (2) to rotate, characterized by further comprising: the first shaft (11), the second shaft (12), the first bevel gear (7), the second bevel gear (8), the third bevel gear (9), the fourth bevel gear (10) and the cylinder (5), the first bevel gear (7) is coaxially fixed on the first shaft (11), the second bevel gear (8) is coaxially fixed on the second shaft (12), the third bevel gear (9) is coaxially fixed on the first roller (2), the fourth bevel gear (10) is coaxially fixed on the second roller (3), the first bevel gear (7) is engaged with the third bevel gear (9), the second bevel gear (8) is engaged with the fourth bevel gear (10), the first shaft (11) / the second shaft (12) end has an embedded groove, the second shaft (12) / the first shaft (11) end has an embedded block matched with the embedded groove, the embedded block can move axially in the embedded groove, the first shaft (11) and the second shaft (12) are coaxially arranged, the cylinder (5) is installed on the machine body (1), the cylinder (5) can drive the second shaft (12) and the second roller (3) to go up / down synchronously.

2. The adjustable roll gap coater of claim 1, wherein, Further comprising a connecting piece (6), the cylinder (5) is connected with the connecting piece (6), the cylinder (5) can drive the connecting piece (6) to go up / down, one end of the second shaft (12) has a ring groove, the connecting piece (6) has a mounting hole, the inner wall of the mounting hole is matched with the bottom wall of the ring groove, the connecting piece (6) is rotatably connected with the second roller (3), so that when the cylinder (5) drives the connecting piece (6) to go up / down, the connecting piece (6) can drive the second shaft (12) and the second roller (3) to go up / down synchronously.

3. The adjustable roll gap coater of claim 2, wherein, The first shaft (11) and the second shaft (12) are vertically arranged, the first roller (2) and the second roller (3) are horizontally arranged, the shaft intersection angle of the first bevel gear (7) and the third bevel gear (9) is ninety degrees, the shaft intersection angle of the second bevel gear (8) and the fourth bevel gear (10) is ninety degrees.

4. The adjustable roll gap coater of claim 3, wherein, The top end and the bottom end of the ring groove are flush with the top end and the bottom end of the mounting hole, respectively, the mounting hole of the connecting piece (6) penetrating through the second roller (3) is matched with the second roller (3).

5. The adjustable roll spacing coater of claim 1, wherein The driving shaft of the cylinder (5) is arranged in parallel with the first shaft (11) and is arranged in horizontal direction.

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