Film forming device

Abstract

The utility model relates to a thin film forming device, one end of the thin film forming device is a feeding end of a thin film to be formed, the other end of the thin film forming device is a discharging end, the direction from the feeding end to the discharging end is the discharging direction, the thin film forming device comprises a rack, a main cooling roller, an auxiliary cooling roller, a thickness gauge, a discharging roller and an edge cutting mechanism, and the main cooling roller, the auxiliary cooling roller, the thickness gauge, the discharging roller and the edge cutting mechanism are sequentially arranged in the discharging direction; the rack comprises side plates arranged on the two sides of the discharging direction, and the ends of the main cooling rollers are rotationally connected with the side plates. The end parts of the auxiliary cooling rollers are rotationally connected with the side plates; a detection port of the thickness gauge faces the discharging end, and the thickness gauge is connected with the rack; the discharging roller is arranged at the discharging end, and the end of the discharging roller is connected with the side plate. The edge cutting mechanism comprises a connecting piece and a cutter, and the end of the connecting piece in the length direction is connected with the side plate. The blade part of the cutter abuts against the discharging roller, and the part, away from the blade part, of the cutter is connected with the connecting piece; and through the arrangement of the thickness gauge, the thickness of the thin film can be detected in real time, and an alarm is given out in time to remind workers when the thickness is not uniform.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of film forming equipment, in particular to a film forming device. BACKGROUND

[0002] The forming part of the cast film production line is a particularly important part, which bears the film forming function, and the forming quality is crucial to the quality of the finished product.

[0003] Chinese patent CN217891597U discloses a cast film forming device, which comprises a mounting frame, a longitudinal slide rail assembly is arranged on the right side of the mounting frame, a lifting frame capable of moving up and down relative to the mounting frame is arranged on the longitudinal slide rail assembly, a cooling forming roller is installed on the lifting frame, a first lifting assembly for driving the lifting frame to move up and down relative to the mounting frame is arranged on the mounting frame, a second cooling roller is arranged on the mounting frame, a cooling liquid conveying device is arranged on any one side of the mounting frame and communicates with the inside of the cooling forming roller and the second cooling roller, a negative pressure assembly and a positive pressure air knife assembly are arranged above the cooling forming roller respectively, and the negative pressure assembly and the positive pressure air knife assembly are arranged on the left and right sides of the mold discharge port respectively.

[0004] When the cast film forming device of the above-mentioned patent is used, the film material is output from the mold to the cooling forming roller for cooling and forming. At the same time of forming, the negative pressure assembly is responsible for air extraction, and the positive pressure air knife assembly is responsible for air blowing, so that the film material is flatly attached to the cooling forming roller for cooling and forming, thereby effectively ensuring the flatness of the film material.

[0005] However, the above-mentioned patent still has the following defects:

[0006] Since the film material is long, the cooling and forming of the film material is segmented, that is, the film material is cooled and formed in segments according to the circumference of the cooling forming roller. The above-mentioned patent does not provide a thickness measuring instrument near the discharge end, so that although the film material can be flatly attached to the cooling forming roller for cooling and forming, thereby effectively ensuring the flatness of the film material, the above-mentioned patent can only ensure the flatness of the film material in the same segment, and cannot ensure the thickness uniformity of the film material in different segments. At the same time when the thickness uniformity of the film material in different segments cannot be ensured, the above-mentioned patent cannot timely remind the workers due to the absence of the thickness measuring instrument, thereby causing excessive waste film. Practical new type content

[0007] In order to solve the problems existing in the prior art, the present application aims to provide a film forming device to solve the technical problems that the prior art cannot timely remind the workers when the thickness is uneven, and is easy to cause excessive waste film.

[0008] The film forming device comprises a rack, and a main cooling roller, a secondary cooling roller, a thickness gauge, a discharging roller and a trimming mechanism arranged in sequence along a discharging direction.

[0009] The rack comprises side plates arranged on both sides of the discharging direction, and the end of the main cooling roller is rotationally connected with the side plates; the end of the secondary cooling roller is rotationally connected with the side plates; the detection port of the thickness gauge faces the discharging end, and the thickness gauge is connected with the rack; the discharging roller is arranged at the discharging end, and the end of the discharging roller is connected with the side plates; the trimming mechanism comprises a connecting piece and a cutter, and the end of the connecting piece in the length direction is connected with the side plates; the blade of the cutter is in abutment with the discharging roller, and a position away from the blade is connected with the connecting piece.

[0010] Preferably, the trimming mechanism further comprises a first guide rail formed on the connecting piece and extending along the length direction of the connecting piece, and the cutter is slidingly connected with the first guide rail.

[0011] Preferably, the film forming device further comprises an air knife assembly, and the air knife assembly comprises a plurality of air channels, and the air outlets of the plurality of air channels face the main cooling roller; and the arrangement direction of the plurality of air outlets is parallel to the axial direction of the main cooling roller.

[0012] Preferably, the film forming device further comprises at least one set of lifting mechanism, and the lifting mechanism is arranged at the bottom of the rack and connected with the rack; the lifting mechanism comprises a lifting base and a lifting piece, the lifting piece is movably connected with the lifting base, and the lifting piece is connected with the rack.

[0013] Preferably, the film forming device further comprises a second guide rail extending along the discharging direction; and the lifting base is slidingly connected with the second guide rail.

[0014] Preferably, the film forming device further comprises a guide wheel matched with the second guide rail, and a locking piece matched with the guide wheel.

[0015] The guide wheel is connected with the bottom of the lifting base and slidingly connected with the second guide rail; and the locking piece is movably connected with the guide wheel.

[0016] Preferably, the length of the second guide rail is 2900mm to 3100mm.

[0017] Preferably, the film forming device further comprises a chamfering wheel arranged below the cutting mechanism and connected to the frame.

[0018] The film forming device has the advantages that:

[0019] The film material is further cooled and shaped by the main cooling roller and the auxiliary cooling roller, and the flatness of the film material is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 is a structural schematic diagram of the film forming device;

[0021] Fig. 2 is a side view of the film forming device;

[0022] Fig. 3 is a front view of the film forming device.

[0023] Reference signs: 1-frame, 101-side plate, 2-main cooling roller, 3-auxiliary cooling roller, 4-thickness gauge, 5-discharge roller, 6-edge cutting mechanism, 601-connector, 602-cutter, 7-air knife assembly, 8-lifting mechanism, 9-second guide rail, 10-guide wheel, 11-locking part, 12-chamfering wheel. DETAILED DESCRIPTION

[0024] As shown in the drawings, the film forming device of the present application has one end as a feeding end of the film to be formed and the other end as a discharge end. Figs. 1-3 The film forming device comprises a frame 1 and a main cooling roller 2, an auxiliary cooling roller 3, a thickness gauge 4, a discharge roller 5 and an edge cutting mechanism 6 arranged in sequence along the discharge direction.

[0025] The frame 1 comprises side plates 101 arranged on both sides of the discharge direction, and the end of the main cooling roller 2 is rotatably connected to the side plates 101; the end of the auxiliary cooling roller 3 is rotatably connected to the side plates 101; the detection port of the thickness gauge 4 faces the discharge end, and the thickness gauge 4 is connected to the frame 1; the discharge roller 5 is arranged at the discharge end, and the end of the discharge roller 5 is connected to the side plates 101; the edge cutting mechanism 6 comprises a connector 601 and a cutter 602, and the length direction end of the connector 601 is connected to the side plates 101; the blade of the cutter 602 abuts against the discharge roller 5, and the part away from the blade is connected to the connector 601.

[0026] Specifically, the rack 1 comprises side plates 101 arranged on both sides of the discharging direction and a base frame connecting the side plates 101 arranged on both sides of the discharging direction. The axial direction of the main cooling roller 2 is perpendicular to the discharging direction, and the end of the main cooling roller 2 is rotationally connected to the side plate 101.

[0027] More specifically, one end of the main cooling roller 2 is electrically connected to a first driving member, which can be an electric motor or a gasoline engine or a diesel engine, and the first driving member is used to provide the main cooling roller 2 with rotating power.

[0028] Similarly, the setting mode of the auxiliary cooling roller 3 is similar to that of the main cooling roller 2, that is, the axial direction of the auxiliary cooling roller 3 is perpendicular to the discharging direction, and the end of the auxiliary cooling roller 3 is rotationally connected to the side plate 101.

[0029] More specifically, one end of the auxiliary cooling roller 3 is electrically connected to a second driving member, which can be an electric motor or a gasoline engine or a diesel engine, and the second driving member is used to provide the auxiliary cooling roller 3 with rotating power.

[0030] The setting mode of the discharging roller 5 is similar to that of the main cooling roller 2, that is, the axial direction of the discharging roller 5 is perpendicular to the discharging direction, and the end of the discharging roller 5 is rotationally connected to the side plate 101.

[0031] More specifically, one end of the discharging roller 5 is electrically connected to a third driving member, which can be an electric motor or a gasoline engine or a diesel engine, and the third driving member is used to provide the discharging roller 5 with rotating power.

[0032] In one embodiment of the present application, the thickness gauge 4 can be a GHY-300 thickness gauge 4 from Sicheng Instrument, which is arranged near the discharging end and has a detection port facing the discharging end. The thickness gauge 4 is connected to the side plate 101. For example, the side plate 101 is provided with an extension plate near the discharging end, and the thickness gauge 4 is connected to the extension plate.

[0033] After the film material is cooled and shaped by the main cooling roller 2 and the auxiliary cooling roller 3, it is conveyed to the thickness gauge 4 along the discharging direction. The thickness gauge 4 detects the film material in real time and issues an alarm when the thickness does not meet the standard, reminding the staff to check the film forming device in time.

[0034] Through the setting of the main cooling roller 2 and the auxiliary cooling roller 3, after the film material is cooled by the main cooling roller 2, the film material is further cooled and shaped by the auxiliary cooling roller 3, so that the flatness of the film material is ensured; at the same time, the film material is cooled and shaped by the main cooling roller 2 and the auxiliary cooling roller 3, and then passes through the thickness gauge 4 before discharging, and the thickness gauge 4 detects in real time before discharging, and when the thickness is uneven, an alarm is sent in time to remind the staff, thereby avoiding the generation of too much waste film.

[0035] After the detection of the thickness gauge 4, the film material is discharged through the discharge roller 5, and a trimming mechanism 6 is arranged above the discharge roller 5, the trimming mechanism 6 includes a connecting piece 601 and a cutter 602, the length direction of the connecting piece 601 is perpendicular to the discharging direction, and the end of the length direction of the connecting piece 601 is connected with the side plate 101, and in one embodiment of the present application, the connecting piece 601 is connected with the extension plate. The blade part of the cutter 602 abuts against the discharge roller 5 (not shown in the figure), and the part away from the blade part is connected with the connecting piece 601.

[0036] Further, in order to be able to cut film materials of different sizes, the trimming mechanism 6 further includes a first guide rail, the first guide rail is formed on the connecting piece 601 and extends along the length direction of the connecting piece 601, and the cutter 602 is slidingly connected with the first guide rail.

[0037] Specifically, the first guide rail is formed on the connecting piece 601, for example, a groove is formed on the connecting piece 601, the groove serves as the first guide rail, and the part away from the blade part of the cutter 602 is provided with a sliding block matched with the groove, and the sliding block cooperates with the groove to enable the cutter 602 to slide along the direction of the first guide rail.

[0038] Further, a through hole penetrating through the thickness direction of the sliding block is formed on the sliding block, and a bolt matched with the through hole is arranged, the bolt penetrates through the through hole to fix the relative position of the sliding block and the groove, thereby fixing the cutter 602, and ensuring the stability of the cutter 602 when cutting the film material; if it is necessary to adjust the size of the film material, the bolt can be loosened, the sliding block is slid along the direction of the first guide rail to the desired position, and then the bolt is tightened to fix the sliding block and the cutter 602.

[0039] More specifically, in one embodiment of the present application, the length of the first guide rail is 2100mm-2200mm.

[0040] Further, in order to improve the cooling efficiency of the main cooling roller 2 and to ensure the flatness of the film material covering the main cooling roller 2, the film forming device disclosed by the present application further includes an air knife assembly 7, the air knife assembly 7 includes a plurality of air channels, and the air outlets of the plurality of air channels are directed towards the main cooling roller 2; the arrangement direction of the plurality of air outlets is parallel to the axial direction of the main cooling roller 2.

[0041] Specifically, as shown inFig. 1 As shown, the air knife assembly 7 comprises several air channels, the air outlets of the air channels are directed towards the main cooling roller 2, the arrangement direction of the air outlets is parallel to the axial direction of the main cooling roller 2, that is, the several air channels are equidistantly arranged along the axial direction of the main cooling roller 2. Exemplarily, two adjacent air channels are closely arranged, and the two adjacent air channels are connected.

[0042] Further, the feeding end of the film forming device needs to be connected with the feeding roller in alignment, so that the film material to be cooled and formed passes through the main cooling roller 2, and the discharging end of the film forming device needs to be connected with the winding device in alignment. Therefore, the film forming device described in the present application further comprises at least one set of lifting mechanism 8, the lifting mechanism 8 is arranged at the bottom of the rack 1 and connected with the rack 1; the lifting mechanism 8 comprises a lifting base and a lifting piece, the lifting piece is movably connected with the lifting base; and the lifting piece is connected with the rack 1.

[0043] Exemplarily, the lifting piece can be a hydraulic lifting piece or an electric lifting piece, in one embodiment of the present application, an electric lifting piece is selected as the lifting piece.

[0044] Further, in order to conveniently adjust the distance between the main cooling roller 2 and the feeding roller, as shown, Fig. 1 The film forming device described in the present application further comprises a second guide rail 9, the second guide rail 9 extends along the discharging direction; the lifting base is slidably connected with the second guide rail 9.

[0045] Further, in order to ensure that the rack 1 and the second guide rail 9 slide more smoothly, the film forming device described in the present application further comprises a guide wheel 10 matched with the second guide rail 9, and a locking piece 11 matched with the guide wheel 10;

[0046] The guide wheel 10 is connected with the bottom of the lifting base and the guide wheel 10 is slidably connected with the second guide rail 9; the locking piece 11 is movably connected with the guide wheel 10. Exemplarily, the locking piece 11 can be a latch, when it is necessary to fix the guide wheel 10, the latch is inserted into the middle part of the guide wheel 10, one end of the latch is clamped with the second guide rail 9 to prevent the guide wheel 10 from sliding.

[0047] More specifically, in one embodiment of the present application, the length of the second guide rail 9 is 2900mm-3100mm.

[0048] Further, a bevel wheel 12 is further included, the bevel wheel 12 is arranged below the cutter 602 mechanism and connected with the rack 1.

[0049] Specifically, the edge trimming wheel 12 is used to process the edge of the film during the casting process to ensure that the edge of the film is flat and smooth, avoiding jagged or uneven edges. The edge trimming wheel 12 is usually located downstream of the casting roller, and by applying pressure to the edge of the film, it is curled inward to form a smooth edge.

[0050] Through the action of the edge trimming wheel 12, the edge of the film can be made more flat and smooth, reducing edge defects, reducing waste caused by edge defects, improving the overall quality of the film, and improving production efficiency.

[0051] The film forming device described in the present application, by the setting of the main cooling roller 2 and the auxiliary cooling roller 3, the film material is cooled after passing through the main cooling roller 2, and is further cooled and shaped by the auxiliary cooling roller 3, ensuring the flatness of the film material; at the same time, the present application sets the thickness gauge 4, the detection port of the thickness gauge 4 faces the discharge end, the film material is cooled and shaped after passing through the main cooling roller 2 and the auxiliary cooling roller 3, and is detected in real time by the thickness gauge 4 before discharging, and when the thickness is uneven, an alarm is sent in time to remind the staff, thereby avoiding the generation of too much waste film.

[0052] In the description of the present application, it should be understood that the orientation words such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal" and "top, bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, without making the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the scope of protection of the present application.

[0053] For those skilled in the art, based on the above described technical solutions and concepts, various corresponding changes and transformations can be made, and all of these changes and transformations should belong to the protection scope of the claims of the present application.

Claims

1. A film forming apparatus, wherein one end of the film forming apparatus is a feed end for the film to be formed, and the other end is a discharge end, and the direction from the feed end to the discharge end is the discharge direction, characterized in that, The film forming device comprises a frame (1), a main cooling roller (2), a secondary cooling roller (3), a thickness gauge (4), a discharge roller (5) and a trimming mechanism (6) arranged in sequence along the discharge direction; The frame (1) comprises side plates (101) arranged on both sides of the discharge direction, the end of the main cooling roller (2) is rotatably connected with the side plates (101), the end of the secondary cooling roller (3) is rotatably connected with the side plates (101), the detection port of the thickness gauge (4) faces the discharge end, the thickness gauge (4) is connected with the frame (1), the discharge roller (5) is arranged at the discharge end, the end of the discharge roller (5) is connected with the side plates (101), the trimming mechanism (6) comprises a connecting piece (601) and a cutter (602), the length direction end of the connecting piece (601) is connected with the side plates (101), the blade part of the cutter (602) abuts against the discharge roller (5), and the part away from the blade part is connected with the connecting piece (601).

2. The film forming apparatus according to claim 1, wherein The trimming mechanism (6) further comprises a first guide rail formed on the connecting piece (601) and extending along the length direction of the connecting piece (601), and the cutter (602) is slidably connected with the first guide rail.

3. The film forming apparatus of claim 1, wherein The device further comprises an air knife assembly (7) comprising a plurality of air channels, the air outlets of the plurality of air channels face the main cooling roller (2), and the arrangement direction of the air outlets is parallel to the axial direction of the main cooling roller (2).

4. The film forming apparatus according to claim 1, wherein The device further comprises at least one set of lifting mechanism (8) arranged at the bottom of the frame (1) and connected with the frame (1), the lifting mechanism (8) comprises a lifting base and a lifting piece, the lifting piece is movably connected with the lifting base, and the lifting piece is connected with the frame (1).

5. The film forming apparatus according to claim 4, wherein The device further comprises a second guide rail (9) extending along the discharge direction, the lifting base is slidably connected with the second guide rail (9).

6. The film forming apparatus according to claim 5, wherein The device further comprises a guide wheel (10) matched with the second guide rail (9) and a locking piece (11) matched with the guide wheel (10). The guide wheel (10) is connected with the bottom of the lifting base and slidably connected with the second guide rail (9), and the locking piece (11) is movably connected with the guide wheel (10).

7. The film forming apparatus according to claim 5, wherein The length of the second guide rail (9) is 2900mm-3100mm.

8. The film forming apparatus of claim 1, wherein The device further comprises an edge turning wheel (12) arranged below the cutter (602) mechanism and connected with the frame (1).

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