Calendering device for protective film production

Abstract

The utility model discloses a calendering device for protective film production, which structurally comprises a mounting frame, an unwinding roller and a connecting roller, the unwinding roller is rotatably arranged on one side in the mounting frame, and the connecting roller is rotatably arranged at the upper position of the middle of the inner side of the mounting frame. The two groups of rolling and pressing assemblies are arranged on the inner side of the mounting frame and are respectively positioned at the lower positions of the two sides of the connecting roller; the limiting mechanism is arranged between the unwinding roller and the extending and pressing assembly and comprises a material blocking plate, and the material blocking plate is movably arranged on the inner side of the mounting frame; the slitting mechanism is arranged in the mounting frame right above the connecting roller and is matched with the connecting roller; the winding mechanism is located on the other side, away from the unwinding roller, in the mounting frame. The utility model belongs to the field of protective film production devices, and particularly relates to a calendering device for protective film production.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the production device field of protection film, specifically point to a kind of calendering device for protection film production. BACKGROUND

[0002] At present, in plastic film and other flexible material processing industry, calendering is a common production process. The traditional calendering machine is usually composed of a series of parallel arranged rollers, and the material is extruded into the required shape or thickness when passing between these rollers. With the growth of market demand and the progress of technology, the requirement for calendering quality is also constantly improved, especially in high-precision products such as protection film.

[0003] Some manufacturers try to improve the calendering accuracy by adding additional rollers, but this method not only increases the mechanical complexity and cost, but also fails to effectively solve the problem of protection film raw material deviation. Another common practice is to add a simple guide rail or baffle at the entrance to limit the material position, but this method is difficult to adapt to different width size changes and has poor flexibility. Finally, due to the lack of special design to handle the edge leftovers, many factories have to resort to manual cutting method to remove the excess part, which is not only labor-intensive but also not environmentally friendly. SUMMARY

[0004] The technical problem to be solved by the utility model is that the protection film raw material feeding process is prone to deviation, which affects the efficiency and regularity of subsequent calendering, and the cutting edge leftovers are difficult to collect and easy to waste.

[0005] To solve the above problems, the technical scheme adopted by the utility model is as follows: the calendering device for protection film production provided by the utility model comprises a mounting frame, an unwinding roller and a connecting roller. The unwinding roller is rotatably arranged on one side of the mounting frame, and the connecting roller is rotatably arranged on the upper side of the middle part of the mounting frame. The device further comprises a limiting mechanism, a calendering assembly, a slitting mechanism and a winding mechanism.

[0006] The calendering assembly is composed of two groups of components arranged on the inner side of the mounting frame and located on the lower side of the connecting roller on both sides.

[0007] The limiting mechanism is arranged between the unwinding roller and the calendering assembly, and comprises a material blocking plate movably arranged on the inner side of the mounting frame.

[0008] The slitting mechanism is arranged above the connecting roller in the inner part of the mounting frame and cooperates with the connecting roller.

[0009] The winding mechanism is located on the other side of the mounting frame away from the unwinding roller.

[0010] Further, the limiting mechanism further comprises a first motor, a first screw rod and a first guide rod, the first motor is fixed outside the mounting frame, the first screw rod is rotatably penetrated through the inside of the mounting frame and is connected with the shaft of the first motor, the first screw rod is vertically screwed through the material blocking plate, the first guide rod is fixed inside the mounting frame, and the first guide rod is vertically slidably penetrated through the material blocking plate.

[0011] Further, the material blocking plate is provided with two groups, the first screw rod adopts a double-end screw rod structure, and the two groups of material blocking plates are symmetrically arranged on the two sides of the first screw rod.

[0012] Further, the stretching assembly comprises a stretching motor, a lower stretching roller, an upper stretching roller, a driving gear and a driven gear, the stretching motor is fixed outside the mounting frame, the lower stretching roller and the upper stretching roller are rotatably penetrated through the inside of the mounting frame, the driving gear and the driven gear are rotatably arranged outside the mounting frame and are in meshing connection, one end of the lower stretching roller is connected with the stretching motor, the other end of the lower stretching roller is fixedly connected with the driving gear, and one end of the upper stretching roller is fixedly connected with the driven gear.

[0013] Further, the slitting mechanism comprises a second motor, a second screw rod, a moving block and a second guide rod, the second motor is fixed outside the mounting frame, the second screw rod is rotatably penetrated through the inside of the mounting frame and is connected with the shaft of the second motor, the second screw rod is vertically screwed through the moving block to control the movement of the moving block, the inside of the mounting frame is fixedly provided with the second guide rod, and the second guide rod is vertically slidably penetrated through the moving block to limit the moving direction of the moving block.

[0014] Further, the moving block is fixedly provided with a slitting cutter at the lower part, and the lower end of the slitting cutter is in sliding fit connection with the upper part of the connecting roller.

[0015] Further, the winding mechanism comprises a winding motor, a main winding roller, an auxiliary winding roller, a driving sprocket, a chain and a driven sprocket, the main winding roller and the auxiliary winding roller are rotatably arranged inside the mounting frame and penetrate through the mounting frame, the winding motor is fixed outside the mounting frame and is connected with one end of the main winding roller, the driving sprocket and the driven sprocket are rotatably arranged outside the mounting frame, the driving sprocket is fixedly connected with the other end of the main winding roller, the driven sprocket is fixedly connected with one end of the auxiliary winding roller, and the driving sprocket and the driven sprocket are drivingly connected through the chain.

[0016] The beneficial effects achieved by the above structure are as follows:

[0017] 1. The calendering device for protective film production is provided, and the adjustable limiting mechanism is arranged between the unwinding roller and the stretching assembly, so that the different size specifications of the protective film raw material can be guided before the stretching operation of the stretching assembly, the deviation of the protective film raw material is avoided, and the subsequent stretching regularity is affected.

[0018] 2. The calendering device for protective film production has a slitting mechanism arranged on the upper part of the connecting roller, and the protective film is slit according to requirements, which is suitable for the production requirements of different specifications of protective film.

[0019] 3. The calendering device for protective film production has a slitting mechanism arranged on the upper part of the connecting roller, and the protective film is slit according to requirements, which is suitable for the production requirements of different specifications of protective film. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a first overall structure schematic view of the utility model;

[0021] Figure 2 It is Figure 1 It is a first overall structure schematic view of the utility model;

[0022] Figure 3 It is a second overall structure schematic view of the utility model;

[0023] Figure 4 It is a first overall structure schematic view of the utility model;

[0024] 1, mounting frame, 2, unwinding roller, 3, limiting mechanism, 301, first motor, 302, first screw, 303, first guide rod, 304, baffle plate, 4, extension pressure component, 401, extension pressure motor, 402, lower extension pressure roller, 403, upper extension pressure roller, 404, driving gear, 405, driven gear, 5, slitting mechanism, 501, second motor, 502, second screw, 503, moving block, 504, second guide rod, 505, slitting cutter, 6, connecting roller, 7, winding mechanism, 701, winding motor, 702, main winding roller, 703, auxiliary winding roller, 704, driving sprocket, 705, chain, 706, driven sprocket.

[0025] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation of the utility model. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.

[0027] As Figures 1-4The utility model provides a kind of calendering device for protective film production, including mounting bracket 1, unwinding roller 2 and connecting roller 6, unwinding roller 2 is rotatably arranged in the inside one side of mounting bracket 1, connecting roller 6 is rotatably arranged in the inside middle upper position of mounting bracket 1, further including limiting mechanism 3, extension pressure assembly 4, slitting mechanism 5 and winding mechanism 7: limiting mechanism 3 is arranged between unwinding roller 2 and extension pressure assembly 4, limiting mechanism 3 includes baffle plate 304, baffle plate 304 is movably arranged in the inside of mounting bracket 1;Limiting mechanism 3 further includes first motor 301, first screw rod 302 and first guide rod 303, first motor 301 is fixedly arranged in the outside of mounting bracket 1, first screw rod 302 is rotatably penetrated and arranged in the inside of mounting bracket 1 and the shaft of first motor 301, first screw rod 302 is vertically threaded and penetrates baffle plate 304, controls baffle plate 304 to move, first guide rod 303 is fixedly arranged in the inside of mounting bracket 1, first guide rod 303 is vertically slidably penetrated baffle plate 304, and the moving direction of baffle plate 304 is limited. Baffle plate 304 is provided with two groups, first screw rod 302 adopts double-end screw structure, and two groups of baffle plate 304 are symmetrically arranged on the two sides of first screw rod 302.

[0028] As shown, Figures 1-4 Extension pressure assembly 4 is provided with two groups in the inside of mounting bracket 1, and is respectively located at the lower position of the two sides of connecting roller 6;Extension pressure assembly 4 includes extension pressure motor 401, lower extension pressure roller 402, upper extension pressure roller 403, driving gear 404 and driven gear 405, extension pressure motor 401 is fixedly arranged in the outside of mounting bracket 1, lower extension pressure roller 402 and upper extension pressure roller 403 are rotatably penetrated and arranged in the inside of mounting bracket 1, driving gear 404 and driven gear 405 are rotatably arranged in the outside of mounting bracket 1 and are engaged with each other, one end of lower extension pressure roller 402 is connected with extension pressure motor 401, the other end of lower extension pressure roller 402 is fixedly connected with driving gear 404, one end of upper extension pressure roller 403 is fixedly connected with driven gear 405, and the relative rolling of upper extension pressure roller 403 and lower extension pressure roller 402 is controlled to complete the extension pressure operation of protective film.

[0029] According to the width of protective film production material required for extension pressure, first motor 301 is started to rotate first screw rod 302, baffle plate 304 is controlled to move under the limiting guide of first guide rod 303 until it is adjusted to the required position, the feeding position of protective film raw material of different size specifications is limited and guided, the deviation of protective film raw material during movement is avoided, the problems such as stacking and accumulation during extension pressure are avoided, the extension pressure effect of protective film is affected, and at the same time, extension pressure motor 401 is started to rotate lower extension pressure roller 402, lower extension pressure roller 402 and upper extension pressure roller 403 are controlled to rotate extension pressure under the meshing transmission of driven gear 405 and driving gear 404.

[0030] As shown, Figures 2-3The cutting mechanism 5 is arranged in the inner part of the connecting roller 6 and cooperates with the connecting roller 6. The cutting mechanism 5 comprises a second motor 501, a second screw rod 502, a moving block 503 and a second guide rod 504. The second motor 501 is fixedly arranged on the outer side of the mounting frame 1. The second screw rod 502 is rotatably arranged through the inner side of the mounting frame 1 and is connected with the shaft of the second motor 501. The second screw rod 502 is vertically screwed through the moving block 503 to control the movement of the moving block 503. The second guide rod 504 is fixedly arranged on the inner side of the mounting frame 1 and is vertically slidably arranged through the moving block 503 to limit the moving direction of the moving block 503. The moving block 503 is fixedly arranged on the lower part of the moving block 503. The lower end of the cutting knife 505 is slidably connected with the upper part of the connecting roller 6 to cut the protective film.

[0031] As shown in the drawings, Figures 1-4 The winding mechanism 7 is arranged in the inner part of the mounting frame 1 and is away from the other side of the unwinding roller 2. The winding mechanism 7 comprises a winding motor 701, a main winding roller 702, an auxiliary winding roller 703, a driving sprocket 704, a chain 705 and a driven sprocket 706. The main winding roller 702 and the auxiliary winding roller 703 are rotatably arranged in the inner side of the mounting frame 1 and pass through the mounting frame 1. The winding motor 701 is fixedly arranged on the outer side of the mounting frame 1 and is connected with one end of the main winding roller 702. The driving sprocket 704 and the driven sprocket 706 are rotatably arranged on the outer side of the mounting frame 1. The driving sprocket 704 is fixedly connected with the other end of the main winding roller 702. The driven sprocket 706 is fixedly connected with one end of the auxiliary winding roller 703. The driving sprocket 704 and the driven sprocket 706 are drivingly connected through the chain 705 to realize synchronous and same direction winding operation.

[0032] According to the production specification of the protective film, the second motor 501 is started to rotate the second screw rod 502. The moving block 503 is controlled to move under the limiting and guiding of the second guide rod 504. The cutting knife 505 is cooperated with the connecting roller 6 to cut the protective film after the stretching and pressing to the required specification. The cut protective film passes between the second group of lower and upper stretching and pressing rollers 402 and 403 to play a role of auxiliary flattening, so as to avoid the occurrence of burrs at the cutting part and affect the flatness of the subsequent winding. Then, the protective film meeting the specification is wound on the main winding roller 702, and the edge scraps are wound on the auxiliary winding roller 703. The winding motor 701 is started to rotate the main winding roller 702 and the driving sprocket 704. The driven sprocket 706 drives the auxiliary winding roller 703 and the main winding roller 702 to synchronously and same direction rotate under the transmission of the chain 705. The edge scraps are collected while the protective film is avoided to be pulled, so as to reduce the processing waste.

[0033] In the specific production, the protective film production material on the unwinding roller 2 is stretched out from the unwinding roller 2, passes between the blocking plates 304, between the first group of lower and upper stretching and pressing rollers 402 and 403, above the connecting roller 6 and between the second group of lower and upper stretching and pressing rollers 402 and 403, and is finally wound by the winding mechanism 7.

[0034] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A calender device for protecting film production, comprising a mounting frame, a pay-off roll and a connecting roll, the pay-off roll being rotatably arranged at one side inside the mounting frame, and the connecting roll being rotatably arranged at an upper position in the middle inside the mounting frame, characterized in that, It also includes limiting mechanism, pressure assembly, cutting mechanism and winding mechanism: The pressure assembly is provided with two groups on the inner side of the mounting frame and is located at the lower position on both sides of the connecting roller; The limiting mechanism is provided between the unwinding roller and the pressure assembly, and the limiting mechanism comprises a material blocking plate movably provided on the inner side of the mounting frame; The cutting mechanism is provided on the inner side of the mounting frame above the connecting roller and cooperates with the connecting roller; The winding mechanism is located on the other side of the mounting frame away from the unwinding roller.

2. The calendering device for the production of protective films according to claim 1, characterized in that: The limiting mechanism further comprises a first motor, a first screw rod and a first guide rod, the first motor is fixedly provided on the outer side of the mounting frame, the first screw rod is rotatably provided through the inner side of the mounting frame and is connected with the shaft of the first motor, the first screw rod is vertically screwed through the material blocking plate, the first guide rod is fixedly provided on the inner side of the mounting frame and is vertically slidably provided through the material blocking plate.

3. The calendering device for the production of protective films according to claim 2, characterized in that: The material blocking plate is provided with two groups, the first screw rod adopts a double-end screw rod structure, and the two groups of material blocking plates are symmetrically arranged on both sides of the first screw rod.

4. The calendering device for the production of protective films according to claim 1, characterized in that: The pressure assembly comprises a pressure motor, a lower pressure roller, an upper pressure roller, a driving gear and a driven gear, the pressure motor is fixedly provided on the outer side of the mounting frame, the lower pressure roller and the upper pressure roller are rotatably provided through the inner side of the mounting frame, the driving gear and the driven gear are rotatably provided on the outer side of the mounting frame and are meshed with each other, one end of the lower pressure roller is connected with the pressure motor, the other end of the lower pressure roller is fixedly connected with the driving gear, and one end of the upper pressure roller is fixedly connected with the driven gear.

5. The calendering device for the production of protective films according to claim 1, characterized in that: The cutting mechanism comprises a second motor, a second screw rod, a moving block and a second guide rod, the second motor is fixedly provided on the outer side of the mounting frame, the second screw rod is rotatably provided through the inner side of the mounting frame and is connected with the shaft of the second motor, the second screw rod is vertically screwed through the moving block to control the movement of the moving block, the inner side of the mounting frame is fixedly provided with the second guide rod, and the second guide rod is vertically slidably provided through the moving block to limit the moving direction of the moving block.

6. The calendering device for the production of protective films according to claim 5, characterized in that: The moving block is fixedly provided with a cutting knife at the lower part, and the lower end of the cutting knife is slidably connected with the upper part of the connecting roller.

7. The calendering device for the production of protective films according to claim 1, characterized in that: The winding mechanism comprises a winding motor, a main winding roller, a secondary winding roller, a driving sprocket, a chain and a driven sprocket, the main winding roller and the secondary winding roller are rotatably provided in the inner side of the mounting frame and penetrate the mounting frame, the winding motor is fixedly provided on the outer side of the mounting frame and is connected with one end of the main winding roller, the driving sprocket and the driven sprocket are rotatably provided on the outer side of the mounting frame, the driving sprocket is fixedly connected with the other end of the main winding roller, the driven sprocket is fixedly connected with one end of the secondary winding roller, and the driving sprocket and the driven sprocket are drivingly connected through the chain.

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