Quantitative winding device for polymer plastic film production

Abstract

The utility model relates to the technical field of plastic film production, and discloses a quantitative winding device for polymer plastic film production, which comprises a winding frame, a plurality of mounting rollers are rotatably arranged on the left side and the right side of the inside of the winding frame, one end of each mounting roller extends to one side of the outside of the winding frame, and a plurality of winding motors are fixed on the right side of the winding frame. A roller changing assembly is arranged on one side of the winding frame and comprises a first mounting groove formed in one side of the winding frame, and a roller changing box is fixed to one side of the connecting plate. According to the utility model, through the arrangement and use of the guide roller and the cutting roller, after the previous winding roller completes quantitative winding, the plastic film is cut through the cutting blade on the cutting roller, and then the end part of the plastic film is dragged to the next winding roller through the guide roller to be continuously wound, so that the cutting of the plastic film after quantitative winding is realized; and after cutting, the winding roller is automatically replaced to continue winding and then cutting, manual operation is not needed in the whole process, and the winding speed is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic film production, in particular to a quantitative winding device for polymer plastic film production. Background Art

[0002] Plastic film winding is the process of continuously winding the plastic film produced on the production line onto a winding core to form a film roll. Generally, the winding operation is required after the plastic film processing is completed or after the cutting process. In recent years, the plastic film production technology has developed rapidly. While the production speed is continuously improved during the production process, the requirements for the winding quality of the plastic film are also getting higher and higher.

[0003] There is a plastic film winding device (Announcement No.: CN218707664U) which has the following defects: the device adopts motor A to drive the dynamic winding roller to rotate to realize quantitative winding of the plastic film, but after quantitative winding of the plastic film, it is necessary to manually cut the plastic film and replace the winding roller, and then fix the plastic film to the winding roller before continuing to wind it, which makes the winding speed of the plastic film slow. For this reason, the utility model is proposed. Utility Model Content

[0004] The utility model aims to solve the problems existing in the prior art and proposes a quantitative winding device for producing polymer plastic films.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A quantitative winding device for the production of polymer plastic film comprises a winding frame, wherein a plurality of mounting rollers are rotatably arranged on both left and right sides of the interior of the winding frame, one end of the mounting roller extends to the outside of the winding frame, a plurality of winding motors are fixed to the right side of the winding frame, the output shaft of the winding motor is fixed to one end of the mounting roller on the right side of the winding frame, two parallel mounting rollers form a group, a winding roller is arranged between the two mounting rollers of each group, a roller changing assembly is arranged on one side of the winding frame, the roller changing mechanism comprises a first mounting groove opened on one side of the winding frame, a first rodless cylinder is fixed inside the first mounting groove, a connecting plate is fixed to one side of the movable plate of the first rodless cylinder, and a roller changing box is fixed to one side of the connecting plate.

[0007] Preferably, two guide rollers are provided for internal rotation of the roller changing box, the two guide rollers are parallel to each other and their outer walls are in contact with each other, both ends of the guide rollers extend to the left and right sides of the outer wall of the roller changing box respectively, a first motor is fixed to the left side of the roller changing box, the output shaft of the first motor is fixed to the left end of the guide roller close to the front side of the roller changing box, a gear is fixed to the right end of the guide roller, and the gears of the two guide rollers are meshed with each other.

[0008] Preferably, two cutting rollers are arranged for rotation inside the roller changing box, the two cutting rollers are parallel to each other and one centimeter apart from each other, the two ends of the cutting roller extend to the left and right sides of the outer wall of the roller changing box, the cutting roller is located directly below the guide roller, and a second motor is fixed to the left side of the roller changing box, the output shaft of the second motor is fixed to the left end of the cutting roller near the front side of the roller changing box, a gear is fixed to the right end of the cutting roller, the gears of the two cutting rollers are meshed with each other, and a cutting blade is fixed to the outer wall of the cutting roller near the rear side of the roller changing box, and the length of the cutting blade is one centimeter.

[0009] Preferably, two sliding grooves are provided on the right end face of the winding roller, a fixing plate is arranged in front of the winding roller, a rubber pad is fixed to the inner wall of the fixing plate, two connecting strips are also fixed to the inner wall of the fixing plate, a magnetic block is fixed to one side of the connecting strip, the magnetic block and the inside of the sliding groove are slidably arranged, a second mounting groove is provided on one side of the winding frame, a second rodless cylinder is fixed inside the second mounting groove, a bracket is fixed to one side of the sliding plate of the second rodless cylinder, the bracket is an L-shaped structure, a pushing cylinder is fixed to one side of the bracket, one end of the telescopic rod of the pushing cylinder passes through one side of the bracket and extends to the other side of the bracket.

[0010] Preferably, a positioning roller is rotatably connected to the interior of the winding frame, and positioning rings are fixed to the outer wall of the positioning roller near both left and right ends.

[0011] Preferably, the outer wall of the winding roller is provided with two mounting holes, bolts are inserted into the mounting holes, and one end of the bolts is threadedly connected to the top surface of the mounting roller.

[0012] The beneficial effects of the utility model are:

[0013] Through the setting and use of guide rollers and cutting rollers, after the previous winding roller completes quantitative winding, the plastic film is cut by the cutting blade on the cutting roller, and then the end of the plastic film is pulled to the next winding roller for continued winding through the guide roller, thereby realizing the cutting of the plastic film after quantitative winding, and automatically replacing the winding roller after cutting to continue winding and cutting. No manual operation is required throughout the process, which increases the winding speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional split structure proposed by the utility model;

[0016] Figure 3 This is a three-dimensional structural schematic diagram of the winding roller proposed by the utility model;

[0017] Figure 4 This is a schematic cross-sectional structural diagram of the roll changing box proposed in the utility model.

[0018] In the figure: 1. Winding frame; 101. First mounting slot; 102. First rodless cylinder; 103. Connecting plate; 104. Roll changing box; 105. Guide roller; 106. First motor; 107. Cutting roller; 108. Second motor; 109. Cutting blade; 110. Second mounting slot; 111. Second rodless cylinder; 112. Bracket; 113. Pushing cylinder; 2. Mounting roller; 201. Winding roller; 202. Sliding slot; 203. Fixing plate; 204. Connecting strip; 205. Magnetic block; 206. Mounting hole; 207. Bolt; 3. Winding motor; 4. Positioning roller; 401. Positioning ring. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the production process of plastic film, a quantitative winding device is needed. The quantitative winding device provided by the utility model can realize automatic quantitative winding and cutting of the plastic film, and automatically replace the winding roller to continue winding after cutting. The winding process does not require manual operation, which increases the winding speed of the plastic film.

[0022] Please see attached Figure 1 -Attached Figure 4 A quantitative winding device for the production of polymer plastic film comprises a winding frame 1, wherein a plurality of mounting rollers 2 are rotatably arranged on the left and right sides of the winding frame 1, one end of the mounting roller 2 extends to the outer side of the winding frame 1, and a plurality of winding motors 3 are fixed to the right side of the winding frame 1, and the winding motor 3 has a self-locking function. The output shaft of the winding motor 3 is fixed to one end of the mounting roller 2 on the right side of the winding frame 1, and two parallel mounting rollers 2 form a group, and a winding roller 201 is arranged between the two mounting rollers 2 in each group, and a roller changing assembly is arranged on one side of the winding frame 1, and a roller changing mechanism comprises a first mounting groove 101 opened on one side of the winding frame 1, and a first rodless cylinder 102 is fixed inside the first mounting groove 101, and the first rodless cylinder 102 is a prior art, and a connecting plate 103 is fixed to one side of the movable plate of the first rodless cylinder 102, and a roller changing box 104 is fixed to one side of the connecting plate 103.

[0023] In the embodiment, two guide rollers 105 are provided for internal rotation of the roller changing box 104. The two guide rollers 105 are parallel to each other and their outer walls are in contact with each other. Both ends of the guide roller 105 extend to the left and right sides of the outer wall of the roller changing box 104 respectively. A first motor 106 is fixed to the left side of the roller changing box 104. The first motor 106 has a self-locking function. The output shaft of the first motor 106 is fixed to the left end of the guide roller 105 close to the front side of the roller changing box 104. A gear is fixed to the right end of the guide roller 105. The gears of the two guide rollers 105 are meshed with each other.

[0024] In the embodiment, two cutting rollers 107 are arranged for rotation inside the roller changing box 104. The two cutting rollers 107 are parallel to each other and spaced one centimeter apart from each other. Both ends of the cutting rollers 107 extend to the left and right sides of the outer wall of the roller changing box 104. The cutting rollers 107 are located directly below the guide roller 105. A second motor 108 is fixed to the left side of the roller changing box 104. The second motor 108 has a self-locking function. The output shaft of the second motor 108 is fixed to the left end of the cutting roller 107 near the front side of the roller changing box 104. A gear is fixed to the right end of the cutting roller 107. The gears of the two cutting rollers 107 are meshed with each other. A cutting blade 109 is fixed to the outer wall of the cutting roller 107 on the rear side of the roller box 104. The cutting blade 109 is one centimeter long. Through the setting and use of the guide roller 105 and the cutting roller 107, after the previous winding roller 201 completes quantitative winding, the plastic film is cut by the cutting blade 109 on the cutting roller 107, and then the end of the plastic film is pulled to the next winding roller 201 for continued winding through the guide roller 105, thereby realizing the cutting of the plastic film after quantitative winding, and automatically replacing the winding roller 201 after cutting to continue winding and cutting. No manual operation is required throughout the process, which increases the winding speed.

[0025] In the embodiment, two sliding grooves 202 are provided on the right end face of the winding roller 201, a fixed plate 203 is arranged in front of the winding roller 201, a rubber pad is fixed to the inner wall of the fixed plate 203, and two connecting strips 204 are also fixed to the inner wall of the fixed plate 203, a magnetic block 205 is fixed on one side of the connecting strip 204, the magnetic block 205 is a magnet, and the magnetic block 205 is slidably arranged inside the sliding groove 202, a second mounting groove 110 is provided on one side of the winding frame 1, a second rodless cylinder 111 is fixed inside the second mounting groove 110, a bracket 112 is fixed on one side of the sliding plate of the second rodless cylinder 111, and the bracket 112 is L shaped structure, a pushing cylinder 113 is fixed on one side of the bracket 112, the pushing cylinder 113 is the prior art, one end of the telescopic rod of the pushing cylinder 113 passes through one side of the bracket 112 and extends to the other side of the bracket 112, and the pushing cylinder 113 is driven by the second rodless cylinder 111 to move to one side of the fixed plate 203 of the winding roller 201, and then the pushing cylinder 113 is started to push the fixed plate 203, at this time, the magnetic block 205 slides inside the sliding groove 202, so that the fixed plate 203 fits with the outer wall of the winding roller 201, and the fixed plate 203 clamps the plastic film through the adsorption of the magnetic block 205 and the inside of the sliding groove 202.

[0026] In the embodiment, the winding frame 1 is internally rotatably connected with a positioning roller 4, and the outer wall of the positioning roller 4 is fixed with a positioning ring 401 near the left and right ends. The positioning roller 4 and the positioning ring 401 can be used to position the plastic film being wound to prevent the position of the plastic film from shifting when it is wound.

[0027] In the embodiment, two mounting holes 206 are provided on the outer wall of the winding roller 201, and bolts 207 are inserted into the mounting holes 206. One end of the bolt 207 is threadedly connected to the top surface of the mounting roller 2, so as to facilitate the disassembly and replacement of the winding roller 201 after the winding roller 201 has wound up a certain amount of plastic film.

[0028] Working principle: When in use, first start the first rodless cylinder 102 and drive the roller changing box 104 to move to the top of the winding roller 201 closest to the top surface of the winding frame 1, then place the plastic film to be rolled up into the roller changing box 104 and pass it through the two guide rollers 105 and the two cutting rollers 107 respectively, then pull the plastic film to the outer wall of the winding roller 201 close to the top surface of the winding frame 1, and start the second rodless cylinder 111 to drive the pushing cylinder 113 to move to one side of the fixed plate 203 of this winding roller 201, then start the pushing cylinder 113 to push the fixed plate 203, at this time the magnetic block 205 slides inside the sliding groove 202, so that the fixed plate 203 fits with the outer wall of the winding roller 201, and the fixed plate 203 clamps the plastic film through the adsorption of the magnetic block 205 and the inside of the sliding groove 202, and then the plastic film that needs to be rolled up one time as needed. The number of rotations of the winding motor 3 is set and the winding motor 3 is started to drive the winding roller 201 to rotate, and the first motor 106 is started synchronously to drive the two guide rollers 105 to rotate to achieve quantitative winding of the plastic film. When the winding motor 3 rotates to a predetermined number of turns and quantitatively winds up the plastic film, the second motor 108 drives the cutting roller 107 to rotate, so that the cutting blade 109 is attached to the outer wall of the cutting roller 107 and cuts the plastic film. Subsequently, the first rodless cylinder 102 is started and drives the roller changing box 104 to move to the top of the second winding roller 201. At this time, the first motor 106 is started again to drive the two guide rollers 105 to rotate so that the end of the plastic film extends to the outer wall of the second winding roller 201. At this time, the plastic film can continue to be tightened through the fixed plate 203 to achieve winding on the second winding roller 201, thereby completing the plastic film winding operation of multiple winding rollers 201.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A quantitative winding device for producing polymer plastic film, comprising a winding frame (1), characterized in that: A plurality of mounting rollers (2) are rotatably arranged on both left and right sides of the interior of the winding frame (1), one end of the mounting roller (2) extends to the outside of the winding frame (1), a plurality of winding motors (3) are fixed on the right side of the winding frame (1), the output shaft of the winding motor (3) is fixed to one end of the mounting roller (2) on the right side of the winding frame (1), two parallel mounting rollers (2) form a group, a winding roller (201) is arranged between the two mounting rollers (2) in each group, a roller changing assembly is arranged on one side of the winding frame (1), the roller changing assembly comprises a first mounting groove (101) opened on one side of the winding frame (1), a first rodless cylinder (102) is fixed inside the first mounting groove (101), a connecting plate (103) is fixed on one side of the movable plate of the first rodless cylinder (102), and a roller changing box (104) is fixed on one side of the connecting plate (103).

2. A quantitative winding device for polymer plastic film production according to claim 1, characterized in that: Two guide rollers (105) are rotatably arranged inside the roller changing box (104), the two guide rollers (105) are parallel to each other and their outer walls are in contact with each other, the two ends of the guide roller (105) respectively extend to the left and right sides of the outer wall of the roller changing box (104), a first motor (106) is fixed on the left side of the roller changing box (104), the output shaft of the first motor (106) is fixed to the left end of the guide roller (105) close to the front side of the roller changing box (104), a gear is fixed to the right end of the guide roller (105), and the gears of the two guide rollers (105) are meshed with each other.

3. A quantitative winding device for producing polymer plastic film according to claim 2, characterized in that: The roller changing box (104) is provided with two cutting rollers (107) for rotation inside. The two cutting rollers (107) are parallel to each other and spaced one centimeter apart from each other. Two ends of the cutting rollers (107) extend to the left and right sides of the outer wall of the roller changing box (104). The cutting rollers (107) are located directly below the guide roller (105). A second motor (108) is fixed on the left side of the roller changing box (104). The output shaft of the second motor (108) is fixed to the left end of the cutting roller (107) near the front side of the roller changing box (104). A gear is fixed to the right end of the cutting roller (107). The gears of the two cutting rollers (107) are meshed with each other. A cutting blade (109) is fixed to the outer wall of the cutting roller (107) near the rear side of the roller changing box (104). The length of the cutting blade (109) is one centimeter.

4. A quantitative winding device for polymer plastic film production according to claim 3, characterized in that: The right end face of the winding roller (201) is provided with two sliding grooves (202), a fixing plate (203) is arranged in front of the winding roller (201), a rubber pad is fixed to the inner wall of the fixing plate (203), two connecting strips (204) are also fixed to the inner wall of the fixing plate (203), a magnetic block (205) is fixed to one side of the connecting strip (204), the magnetic block (205) and the inside of the sliding groove (202) are slidably arranged, a second installation groove (110) is opened on one side of the winding frame (1), a second rodless cylinder (111) is fixed inside the second installation groove (110), a bracket (112) is fixed to one side of the sliding plate of the second rodless cylinder (111), the bracket (112) is an L-shaped structure, a pushing cylinder (113) is fixed to one side of the bracket (112), one end of the telescopic rod of the pushing cylinder (113) passes through one side of the bracket (112) and extends to the other side of the bracket (112).

5. A quantitative winding device for producing polymer plastic film according to claim 4, characterized in that: The interior of the winding frame (1) is rotatably connected to a positioning roller (4), and positioning rings (401) are fixed to the outer wall of the positioning roller (4) near both left and right ends.

6. A quantitative winding device for producing polymer plastic film according to claim 5, characterized in that: The outer wall of the winding roller (201) is provided with two mounting holes (206), a bolt (207) is inserted into the mounting hole (206), and one end of the bolt (207) is threadedly connected to the top surface of the mounting roller (2).

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