Compression roller mechanism and film drying device using same

Abstract

The utility model discloses a compression roller mechanism and a film drying device using the compression roller mechanism, and the compression roller mechanism comprises a first compression roller assembly which comprises a first compression roller and a fixed supporting seat which is used for forming autorotation support for the first compression roller; the second compression roller assembly comprises a second compression roller and a movable supporting seat used for forming autorotation support for the second compression roller; the tension adjusting assembly at least comprises a pre-tightening elastic piece arranged between the movable supporting seat and the fixed supporting seat; the pre-tightening elastic piece is suitable for changing the pre-tightening force of the pre-tightening elastic piece to drive the movable supporting seat to move synchronously, so that the tension of the material belt is kept stable when the material belt is conveyed between the first pressing roller and the second pressing roller. According to the utility model, the problem that the thin film may be wrinkled due to tension change in the thin film drying process can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of film processing equipment, in particular to a pressing roller mechanism and a film drying device using the pressing roller mechanism. Background Art

[0002] In the production process of film products, an air-drying device is generally required to air-dry the film. In the prior art, a high-pressure air knife is often used to dry the film. It has been found in actual use that in the above-mentioned drying process, firstly, the change in tension can easily cause the film to shake, which in turn leads to poor water blowing effect. Secondly, when the drying equipment is shut down or needs to be replaced, there is a certain time difference between the pressing roller and the shutdown moment. Within this time difference, the film will become loose due to the instantaneous loss of tension. For the loose film, it will become straight from loose at the moment the drying equipment is restarted. This process will directly damage the film and cause wrinkles.

[0003] Therefore, in view of the problem that some existing drying equipment may cause wrinkles in the film due to tension changes during the film drying process, it is necessary to further optimize the structure of the drying equipment to improve the quality of the film drying process. Utility Model Content

[0004] The first purpose of the utility model is to provide a pressing roller mechanism to solve the technical problem of facilitating the adjustment of the tension formed by the pressing roller mechanism on the film.

[0005] The second purpose of the utility model is to provide a thin film drying device to solve the technical problem of improving the quality of thin film drying processing.

[0006] The pressing roller mechanism of the utility model is realized as follows:

[0007] A pressure roller mechanism, comprising:

[0008] A first pressing roller assembly, comprising a first pressing roller and a fixed support seat for forming a self-rotating support for the first pressing roller;

[0009] A second pressing roller assembly, comprising a second pressing roller and a movable bearing seat for forming a self-rotating support for the second pressing roller;

[0010] A tension adjustment assembly, which at least includes a pre-tightening elastic member disposed between a movable support seat and a fixed support seat;

[0011] The preload elastic member is suitable for changing its preload force to drive the movable support seat to move synchronously, so that the tension of the material strip is kept stable during the process of being conveyed between the first pressure roller and the second pressure roller.

[0012] In an optional implementation of the present invention, the axis of the second pressing roller is parallel to the axis of the first pressing roller; and

[0013] When the movable support seat moves under the action of the preload elastic member, it is suitable for adjusting the distance between the axes of the first pressing roller and the second pressing roller.

[0014] In an optional implementation of the present invention, the fixed support seat and the movable support seat are both mounted on the same support plate; or

[0015] The fixed supporting seat and the movable supporting seat are respectively assembled on a supporting plate.

[0016] In an optional implementation of the present invention, the fixed support seat includes a pair of fixed seats fixedly mounted on the support plate and respectively matched with two axial side ends of the first pressure roller.

[0017] In an optional implementation of the utility model, the movable support seat includes a pair of connecting seats fixedly connected to the support plate, and a pair of movable seats movably matched with the pair of connecting seats and respectively matched with the two axial side ends of the second pressure roller; wherein

[0018] Each of the engaging seats cooperates with each of the movable seats; and

[0019] Each of the movable seats is connected to a fixed seat via a pre-tightening elastic member.

[0020] In an optional implementation of the present invention, the tension adjustment assembly further includes connecting ears disposed at both ends of the pre-tightening elastic member and used for respectively connecting the fixed seat and the movable seat.

[0021] In an optional implementation of the present invention, the movable seat adopts an L-shaped structure; and

[0022] One end of the movable seat is movably matched with the connecting seat; and the other end of the movable seat is connected to the pre-tightening elastic member.

[0023] The thin film drying device of the utility model is realized as follows:

[0024] A film drying device comprises: a frame, a guide roller mechanism, a wind knife mechanism and the pressure roller mechanism which are arranged on the frame and sequentially arranged along the film conveying direction.

[0025] In an optional implementation of the utility model, the wind knife mechanism includes two wind knife components arranged opposite to each other and used to form a film conveying channel;

[0026] Each of the wind knife assemblies at least comprises a wind knife main body and a blowing knife body connected to the wind knife main body;

[0027] The air blowing knife body is provided with an air outlet.

[0028] In an optional implementation of the utility model, the blowing knife body and the wind knife main body are movably matched to adjust the wind outlet angle of the blowing knife body relative to the wind knife main body; and

[0029] The air blowing knife body is rotatably matched with the air knife main body through a pin shaft;

[0030] The wind knife main body is also formed with an arc-shaped limiting groove for limiting the rotation angle of the blowing knife body, and the blowing knife body is also equipped with a limiting column suitable for moving along the arc-shaped limiting groove.

[0031] By adopting the above technical scheme, the utility model has the following beneficial effects: the pressure roller mechanism of the utility model and the film drying device using the pressure roller mechanism, by designing a tension adjustment component between the second pressure roller assembly and the first pressure roller assembly, the preload elastic member in the tension adjustment component can drive the movable support seat to move synchronously by changing its preload force, so that the tension of the material belt is kept stable during the process of being conveyed between the first pressure roller and the second pressure roller, thereby avoiding the problem of wrinkles in the film caused by tension changes during the film drying process. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a schematic structural diagram of a pressure roller mechanism according to an embodiment of the present application from a first perspective;

[0033] Figure 2 is a schematic structural diagram of a pressure roller mechanism according to an embodiment of the present application from a first perspective;

[0034] Figure 3 is a schematic structural diagram of a thin film drying device according to an embodiment of the present application from a first perspective;

[0035] Figure 4 It is a schematic structural diagram of the thin film drying device from a second perspective according to an embodiment of the present application.

[0036] In the figure: support plate 1, fixed seat 2, first pressure roller 3, connecting seat 4, movable seat 5, preload elastic member 6, second pressure roller 7, third pressure roller 8, connecting ear 9, frame body 10, guide roller body 11, wind knife main body 12, blowing knife body 13, arc-shaped limit groove 14, pin shaft 15, limit column 16, material belt 100. DETAILED DESCRIPTION

[0037] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0038] Example 1: Please refer to Figure 1 and Figure 2As shown, this embodiment provides a pressure roller mechanism, including: a first pressure roller assembly, a second pressure roller assembly and a tension adjustment assembly used in conjunction with each other.

[0039] Next, we will explain it in detail with the attached drawings:

[0040] First, the first pressing roller assembly includes at least a first pressing roller 3 and a fixed support seat for forming a self-rotation support for the first pressing roller 3. The fixed support seat includes a pair of fixed seats 2 fixedly assembled on a support plate 1 and respectively matched with two axial side ends of the first pressing roller 3. The two axial side ends of the first pressing roller 3 here form a rotational matching relationship with the pair of fixed seats 2, so that the first pressing roller 3 itself can perform smooth self-rotation motion relative to the pair of fixed seats 2.

[0041] Next is the second pressure roller assembly, which includes a second pressure roller 7 and a movable support seat for forming a self-rotation support for the second pressure roller 7. The movable support seat used in this embodiment includes a pair of connecting seats 4 fixedly connected to a support plate 1, and a pair of movable seats 5 that are movably matched with the pair of connecting seats 4 and respectively matched with the two axial side ends of the second pressure roller 7. Each connecting seat 4 is matched with each movable seat 5, and the movable seat 5 can be optionally hingedly connected to the connecting seat 4 through a pin; and each movable seat 5 is connected to a fixed seat 2 through a preloaded elastic member 6. It should be noted here that the two axial side ends of the second pressure roller 7 and the pair of movable seats 5 form a rotational matching relationship, so that the second pressure roller 7 itself can perform smooth self-rotation movement relative to the pair of movable seats 5.

[0042] On the basis of the above structure, it needs to be further explained that the support plate 1 connected to the connecting seat 4 can be the same support plate 1 as the support plate 1 matched with the fixing seat 2, or can be two independent support plates 1, and this embodiment does not make an absolute limitation on this.

[0043] For example, an optional implementation situation is used, the movable seat 5 adopts an L-shaped structure; one end of the movable seat 5 is movably matched with the connecting seat 4; and the other end of the movable seat 5 is connected to the preload elastic member 6. Under this structure, the connecting seat 4 and the fixed seat 2 can be arranged in parallel on the support plate 1, and through the design of the L-shaped structure, a third pressure roller 8 arranged opposite to the first pressure roller 3 can be connected between the pair of connecting seats 4, and there will be no interference between the second pressure roller 7 and the third pressure roller 8, and they can operate relatively independently. In this way, a channel for conveying the material belt is formed by the relative arrangement of the first pressure roller 3 and the third pressure roller 8, and the second pressure roller 7 is used to adjust the tension of the material belt. For this embodiment, the material belt here can be a film or other film materials, and this embodiment does not make an absolute limitation.

[0044] Furthermore, the tension adjustment assembly at least includes a preload elastic member 6 disposed between the movable support seat and the fixed support seat. More specifically, considering the convenience of installation, the tension adjustment assembly here also includes connecting ears 9 disposed at both ends of the preload elastic member 6 for connecting the fixed seat 2 and the movable seat 5 respectively.

[0045] Based on the above situation, the preload elastic member 6 here is suitable for changing its preload force to drive the movable support seat to move synchronously, so that the material strip maintains a stable tension during the process of being conveyed between the first pressure roller 3 and the second pressure roller 7. The preload elastic member 6 here can be selected to adopt, for example but not limited to, a spring, and its preload force is adjusted by its expansion and contraction deformation. In combination with the specific material strip processing process, when its tension changes, the spring is deformed appropriately, thereby driving the second pressure roller 7 to move, thereby maintaining the tension of the material strip stable.

[0046] What needs to be specifically explained in conjunction with the accompanying drawings is that the axis of the second pressure roller 7 is parallel to the axis of the first pressure roller 3; and when the movable support seat moves under the action of the preload elastic member 6, it is suitable for adjusting the distance between the axes of the first pressure roller 3 and the second pressure roller 7, that is, by adjusting the distance between the axes of the first pressure roller 3 and the second pressure roller 7, the tension of the material strip transmitted by the first pressure roller 3 and the second pressure roller 7 is kept stable.

[0047] In summary, for the pressure roller mechanism of this embodiment, the tension adjustment component can not only meet the adjustment requirements of the second pressure roller 7 during use, but the overall tension adjustment component is an external structure, which is not only easy to install, but also convenient to disassemble and replace parts.

[0048] Example 2: Please refer to Figures 1 to 4 As shown, based on the pressure roller mechanism of Example 1, this embodiment provides a film drying device, including: a frame 10, a guide roller mechanism, a wind knife mechanism, and the pressure roller mechanism of Example 1, which are arranged on the frame 10 and are arranged in sequence along the film conveying direction.

[0049] Based on the above situation, it should be noted that the guide roller mechanism here can optionally adopt any mature means in the prior art, and this embodiment does not make an absolute limitation on this. Generally speaking, the guide roller mechanism includes two guide roller bodies 11 that are relatively arranged and suitable for self-rotation for forming a film conveying channel.

[0050] In addition, the wind knife mechanism can also adopt mature means in the prior art, and this embodiment does not make an absolute limitation on this. Here, an optional method is given in conjunction with the accompanying drawings. The wind knife mechanism includes two wind knife components arranged opposite to each other to form a film conveying channel; each wind knife component at least includes a wind knife main body 12 and a blowing knife body 13 connected to the wind knife main body 12.

[0051] The air blowing blade body 13 is provided with an air outlet.

[0052] On the basis of the above structure, further, the blowing knife body 13 and the wind knife main body 12 are movably matched to adjust the air outlet angle of the blowing knife body 13 relative to the wind knife main body 12; and the blowing knife body 13 is rotatably matched with the wind knife main body 12 through the pin 15; in this regard, in order to meet the above use requirements, an arc-shaped limiting groove 14 for limiting the rotation angle of the blowing knife body 13 is also formed on the wind knife main body 12, and the blowing knife body 13 is also equipped with a limiting column 16 suitable for moving along the arc-shaped limiting groove 14. Under this structure, combined with the actual use requirements of the material strip drying, the blowing knife body 13 can be manually rotated to rotate a certain angle relative to the wind knife main body 12, thereby improving the flexibility of the use of the wind knife mechanism.

[0053] The above specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0054] In the description of the present invention, it is necessary to understand that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are 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, and therefore cannot be understood as a limitation on the present invention.

[0055] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0057] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0058] In the present utility model, unless otherwise clearly specified and limited, the first feature being above or below the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being above, above, and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being below, below, and below the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

Claims

1. A pressing roller mechanism, characterized in that: include: A first pressing roller assembly, comprising a first pressing roller and a fixed support seat for forming a self-rotating support for the first pressing roller; A second pressing roller assembly, comprising a second pressing roller and a movable bearing seat for forming a self-rotating support for the second pressing roller; A tension adjustment assembly, which at least includes a pre-tightening elastic member disposed between a movable support seat and a fixed support seat; The preload elastic member is suitable for changing its preload force to drive the movable support seat to move synchronously, so that the tension of the material strip is kept stable during the process of being conveyed between the first pressure roller and the second pressure roller.

2. The pressing roller mechanism according to claim 1, characterized in that: The axis of the second pressing roller is parallel to the axis of the first pressing roller; and When the movable support seat moves under the action of the preload elastic member, it is suitable for adjusting the distance between the axes of the first pressing roller and the second pressing roller.

3. The pressing roller mechanism according to claim 1 or 2, characterized in that: The fixed support seat and the movable support seat are both mounted on the same support plate; or The fixed supporting seat and the movable supporting seat are respectively assembled on a supporting plate.

4. The pressing roller mechanism according to claim 3, characterized in that: The fixed support seat comprises a pair of fixed seats which are fixedly assembled on the support plate and respectively matched with two axial side ends of the first pressing roller.

5. The pressing roller mechanism according to claim 3, characterized in that: The movable support seat comprises a pair of connecting seats fixedly connected to the support plate, and a pair of movable seats movably matched with the pair of connecting seats and respectively matched with two axial side ends of the second pressing roller; in Each of the engaging seats cooperates with each of the movable seats; and Each of the movable seats is connected to a fixed seat via a pre-tightening elastic member.

6. The pressing roller mechanism according to claim 5, characterized in that: The tension adjustment assembly also includes connecting ears arranged at both ends of the pre-tightening elastic member and used for respectively connecting the fixed seat and the movable seat.

7. The pressing roller mechanism according to claim 5, characterized in that: The movable seat adopts an L-shaped structure; and One end of the movable seat is movably matched with the connecting seat; and the other end of the movable seat is connected to the pre-tightening elastic member.

8. A thin film drying device, characterized in that: include: A frame, a guide roller mechanism and a wind knife mechanism which are arranged on the frame and in sequence along the film conveying direction, and a pressing roller mechanism as claimed in any one of claims 1 to 7.

9. The thin film drying device according to claim 8, characterized in that: The wind knife mechanism comprises two wind knife assemblies arranged opposite to each other and used to form a film conveying channel; Each of the wind knife assemblies at least comprises a wind knife main body and a blowing knife body connected to the wind knife main body; The air blowing knife body is provided with an air outlet.

10. The thin film drying device according to claim 9, characterized in that: The air blowing blade body and the air knife main body are movably matched to adjust the air outlet angle of the air blowing blade body relative to the air knife main body; and The air blowing knife body is rotatably matched with the air knife main body through a pin shaft; The wind knife main body is also formed with an arc-shaped limiting groove for limiting the rotation angle of the blowing knife body, and the blowing knife body is also equipped with a limiting column suitable for moving along the arc-shaped limiting groove.

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