Plastic film rewinding device

Abstract

The invention relates to the technical field of plastic film rewinding devices, in particular to a plastic film rewinding device which comprises a supporting seat, a winding roller rotationally arranged on the supporting seat, a roll material wound on the winding roller and a cutting knife arranged on the supporting seat in a sliding mode and further comprises a rotating shaft rotationally arranged on the supporting seat. The winding roller is arranged on the rotating shaft in a sliding manner; according to the plastic film rewinding device, the cutting knife is driven to cut roll materials through cutting, after cutting is completed, the roll materials wound on the winding roller are pushed to the position where workers can take the roll materials conveniently through cooperation of the cutting knife and the pushing-out assembly, and therefore the cutting efficiency of the plastic film rewinding device is improved. The winding device is simple in structure and convenient to use, a worker can take the winding device conveniently, through cooperation of the locking piece and the positioning piece, a roll material is wound on the winding roller in order, and the winding device is easy to operate and has high practicability in the actual using process.

Description

Technical Field

[0001] The invention relates to the technical field of plastic film rewinding devices, in particular to a plastic film rewinding device. Background Art

[0002] The working principle of the plastic film rewinding device is to unwind the plastic film from the roll, and finally roll the plastic film into the required specifications and length through a series of guiding, tension control and cutting devices.

[0003] When using a plastic film rewinding device, it is inconvenient to place the reel on or remove it from the bracket in each winding link of the plastic film production. Moreover, when winding the plastic film, since the plastic film is very smooth and relatively soft, the reel is prone to shaking, resulting in the plastic film not being rolled tightly on the reel, resulting in the subsequent plastic film being loose. For this reason, we propose a plastic film rewinding device. Summary of the invention

[0004] A technical problem to be solved by the present application is to design a plastic film rewinding device which is convenient to take.

[0005] To achieve the above object, the present invention provides the following technical solution: a plastic film rewinding device, comprising a support seat, a winding roller rotatably arranged on the support seat, a coil wound on the winding roller and a cutting knife slidably arranged on the support seat, and also comprising:

[0006] A rotating shaft is rotatably arranged on the support seat, and the winding roller is slidably arranged on the rotating shaft;

[0007] A cutting assembly is arranged on the support seat and connected to the cutting knife, so that the cutting assembly drives the cutting knife to cut the coil;

[0008] The push-out assembly is arranged on the supporting seat and connected with the cutting assembly. When the cutting assembly is working, the push-out assembly is used to drive the winding roller to slide.

[0009] The measures to further optimize this technical solution are:

[0010] In some embodiments, the cutting assembly includes a slide groove arranged on a support seat, a driving plate is slidably arranged on the slide groove, the cutting knife is arranged on the driving plate, and a driving member for driving the cutting knife to slide and cut the coil is arranged on the support seat.

[0011] In some embodiments, the driving member includes a cylinder disposed on a support seat, an output end of the cylinder is connected to a driving plate, and two positioning columns are disposed on the support seat.

[0012] In some embodiments, the ejection assembly includes a guide groove arranged on the rotating shaft, the winding roller is slidably arranged on the guide groove, and a positioning member for positioning the winding roller is arranged on the winding roller and the rotating shaft.

[0013] In some embodiments, the positioning member includes a plurality of cavities arranged on a rotating shaft, a spring 1 is arranged in the cavity, a positioning bead is slidably arranged in the cavity, the two ends of the spring 1 are respectively connected to the cavity and the positioning bead, a positioning groove is arranged on the winding roller, the positioning groove and the positioning bead cooperate with each other, and a locking member for fixing the coil is arranged on the winding roller.

[0014] In some embodiments, the locking member includes an extrusion plate rotatably disposed on the winding roller, a rubber block is disposed at the end of the extrusion plate, and a winding member for driving the winding roller to wind the coil is disposed on the support seat.

[0015] In some embodiments, the winding member includes a mounting plate arranged on a support seat, a motor is arranged on the mounting plate, the motor is arranged on the mounting plate, the output end of the motor is connected to a rotating shaft, a guide roller is rotatably arranged on the support seat, and a transmission member for driving the winding roller to slide is arranged on the support seat.

[0016] In some embodiments, the transmission member includes a pushing ring slidably arranged on a rotating shaft, a sliding column is arranged on the support seat, a connecting rod is slidably arranged on the sliding column, the connecting rod is connected to the pushing ring, a transmission shaft is rotatably arranged on the support seat, a gear is arranged on the transmission shaft, a rack is arranged on the driving plate, the gear and the rack are meshed with each other, a transmission roller is arranged on the transmission shaft, a thin rope is wound around the transmission roller, one end of the thin rope is wound around the transmission roller, and the other end of the thin rope is connected to the connecting rod, and a resetting member for driving the pushing ring to reset is arranged on the support seat.

[0017] In some embodiments, the reset member includes a second spring disposed on the outside of the sliding column, and two ends of the second spring are respectively connected to corresponding surfaces of the support seat and the connecting rod.

[0018] In some embodiments, an extrusion groove is provided on the support seat, an extrusion block is slidably provided on the extrusion groove, the positioning column is rotatably provided on the extrusion block, and a spring three is connected to the corresponding surfaces of the extrusion block and the extrusion groove.

[0019] The present invention has at least the following beneficial effects:

[0020] The cutting knife is driven to cut the coiled material by cutting. After the cutting is completed, the coiled material wound on the winding roller is pushed to a position convenient for the staff to take through cooperation with the pushing component, which is convenient for the staff to take. Through the cooperation of the locking part and the positioning part, the coiled material is neatly wound on the winding roller. The device is simple to operate and has high practicality in actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 For the present invention Figure 1 Another structural diagram;

[0023] Figure 3 For the present invention Figure 1 Schematic diagram of some structures;

[0024] Figure 4 For the present invention Figure 3 Schematic diagram of the local cross-section structure;

[0025] Figure 5 For the present invention Figure 4 Schematic diagram of some structures;

[0026] Figure 6 For the present invention Figure 5 Explosion diagram of some structures;

[0027] Figure 7 For the present invention Figure 6 Schematic diagram of the local cross-section structure;

[0028] Figure 8 This is a schematic diagram of the overall structure of Example 2 of the present invention.

[0029] In the figure: 1. support seat; 2. winding roller; 3. coil; 4. cutting knife; 5. rotating shaft; 6. cutting assembly; 61. slide groove; 62. driving plate; 7. driving member; 71. cylinder; 72. positioning column; 8. ejection assembly; 81. guide groove; 9. positioning member; 91. cavity; 92. spring one; 93. positioning bead; 94. positioning groove; 10. locking member; 101. extrusion plate; 102. rubber block; 11. winding member; 111. mounting plate; 112. motor; 113. guide roller; 12. transmission member; 121. push ring; 122. sliding column; 123. connecting rod; 124. transmission shaft; 125. gear; 126. rack; 127. transmission roller; 128. thin rope; 13. reset member; 131. spring two; 14. extrusion groove; 15. extrusion block; 16. spring three. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example 1

[0032] See also Figure 1-7 The present invention provides a technical solution: a plastic film rewinding device, comprising a support seat 1, a rewinding roller 2 rotatably arranged on the support seat 1, a coil 3 wound on the rewinding roller 2 and a cutting knife 4 slidably arranged on the support seat 1, and also comprising:

[0033] A rotating shaft 5 is rotatably arranged on the supporting seat 1, and a winding roller 2 is slidably arranged on the rotating shaft 5;

[0034] The cutting assembly 6 is arranged on the support base 1 and connected to the cutting knife 4, so that the cutting assembly 6 drives the cutting knife 4 to cut the coil 3;

[0035] The push-out assembly 8 is disposed on the support seat 1 and connected to the cutting assembly 6. When the cutting assembly 6 is working, the push-out assembly 8 is used to drive the winding roller 2 to slide.

[0036] The cutting assembly 6 includes a slide groove 61 arranged on the support base 1, a driving plate 62 is slidably arranged on the slide groove 61, the cutting knife 4 is arranged on the driving plate 62, and a driving member 7 is arranged on the support base 1 to drive the cutting knife 4 to slide and cut the coil 3.

[0037] The driving member 7 includes a cylinder 71 disposed on the support base 1 , an output end of the cylinder 71 is connected to the driving plate 62 , and two positioning posts 72 are disposed on the support base 1 .

[0038] The ejection assembly 8 includes a guide groove 81 arranged on the rotating shaft 5, the winding roller 2 is slidably arranged on the guide groove 81, and a positioning member 9 for positioning the winding roller 2 is arranged on the winding roller 2 and the rotating shaft 5.

[0039] The positioning member 9 includes a plurality of cavities 91 arranged on the rotating shaft 5, a spring 92 is arranged in the cavity 91, a positioning bead 93 is slidably arranged in the cavity 91, the two ends of the spring 92 are respectively connected to the cavity 91 and the positioning bead 93, a positioning groove 94 is arranged on the winding roller 2, the positioning groove 94 and the positioning bead 93 cooperate with each other, and a locking member 10 for fixing the coil 3 is arranged on the winding roller 2.

[0040] The locking member 10 comprises an extrusion plate 101 rotatably arranged on the winding roller 2 , a rubber block 102 is arranged at the end of the extrusion plate 101 , and a winding member 11 for driving the winding roller 2 to wind the coil 3 is arranged on the support seat 1 .

[0041] The winding member 11 includes a mounting plate 111 arranged on the support seat 1, a motor 112 is arranged on the mounting plate 111, the motor 112 is arranged on the mounting plate 111, the output end of the motor 112 is connected to the rotating shaft 5, a guide roller 113 is rotatably arranged on the support seat 1, and a transmission member 12 for driving the winding roller 2 to slide is arranged on the support seat 1.

[0042] The transmission member 12 includes a pushing ring 121 slidably arranged on the rotating shaft 5, a sliding column 122 is arranged on the support seat 1, a connecting rod 123 is slidably arranged on the sliding column 122, and the connecting rod 123 is connected to the pushing ring 121, a transmission shaft 124 is rotatably arranged on the support seat 1, a gear 125 is arranged on the transmission shaft 124, a rack 126 is arranged on the driving plate 62, the gear 125 and the rack 126 are meshed with each other, a transmission roller 127 is arranged on the transmission shaft 124, a thin rope 128 is wound around the transmission roller 127, one end of the thin rope 128 is wound around the transmission roller 127, and the other end of the thin rope 128 is connected to the connecting rod 123, and a reset member 130 for driving the pushing ring 121 to reset is arranged on the support seat 1.

[0043] The reset member 130 includes a second spring 131 disposed outside the sliding column 122 , and two ends of the second spring 131 are connected to corresponding surfaces of the support seat 1 and the connecting rod 123 , respectively.

[0044] When in use, the extrusion plate 101 is rotated to fit one end of the coil 3 onto the extrusion plate 101, and one end of the coil 3 is fixed on the winding roller 2 through the extrusion of the extrusion plate 101 and the rubber block 102, and the motor 112 is started, and the output end of the motor 112 drives the rotating shaft 5 to rotate, and the winding roller 2 rotates synchronously, and then cooperates with the guidance of the guide roller 113 to make the coil 3 neatly wound on the outside of the winding roller 2. When the winding work is completed, the motor 112 is turned off, and the cylinder 71 is started. The output end of the cylinder 71 drives the driving plate 62 to slide along the slide groove 61, and the driving plate 62 drives the cutting knife 4 to slide synchronously, and the cutting knife 4 and the positioning column 72 are matched. The coil 3 is cut, the rack 126 on the driving plate 62 slides synchronously, and drives the gear 125 to rotate, the gear 125 drives the transmission shaft 124 to rotate, the transmission shaft 124 drives the transmission roller 127 to rotate synchronously, the transmission roller 127 drives the thin rope 128 to wrap around the outside of the transmission roller 127, the thin rope 128 pulls the connecting rod 123, the connecting rod 123 and the pushing ring 121 slide synchronously along the sliding column 122, and squeeze the winding roller 2, driving the winding roller 2 to slide along the guide groove 81 on the rotating shaft 5, so that one end of the winding roller 2 slides out to half of the total length of the rotating shaft 5, and then the staff can easily take the winding roller 2 out of the rotating shaft 5;

[0045] When the next winding operation is required, the winding roller 2 is slid along the guide groove 81, and then the positioning groove 94 cooperates with the positioning bead 93 to position the winding roller 2 on the rotating shaft 5 to prevent the winding roller 2 from shifting during operation.

[0046] Example 2

[0047] See also Figure 8 , the present invention provides a technical solution:

[0048] What is different from Example 1 is that an extrusion groove 14 is provided on the support seat 1, an extrusion block 15 is slidably provided on the extrusion groove 14, a positioning column 72 is rotatably provided on the extrusion block 15, and a spring three 16 is connected to the corresponding surfaces of the extrusion block 15 and the extrusion groove 14. The extrusion block 15 is pushed by the spring three 16, and the positioning column 72 on the extrusion block 15 squeezes the coil 3. In this way, when the cutting knife 4 cuts the coil 3, it can prevent the situation where the cutting fails due to insufficient tension.

[0049] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic film rewinding device, comprising a support base (1), a rewinding roller (2) rotatably arranged on the support base (1), a coil (3) wound on the rewinding roller (2), and a cutting knife (4) slidably arranged on the support base (1), Features: Also included are: A rotating shaft (5) is rotatably arranged on the support seat (1), and the winding roller (2) is slidably arranged on the rotating shaft (5); A cutting assembly (6) is arranged on the support seat (1) and connected to the cutting knife (4), so that the cutting assembly (6) drives the cutting knife (4) to cut the coil (3); The push-out assembly (8) is arranged on the support seat (1) and connected to the cutting assembly (6). When the cutting assembly (6) is working, the push-out assembly (8) is used to drive the winding roller (2) to slide.

2. The plastic film rewinding device according to claim 1, Features: The cutting assembly (6) comprises a slide groove (61) arranged on the support seat (1), a driving plate (62) is slidably arranged on the slide groove (61), the cutting knife (4) is arranged on the driving plate (62), and a driving member (7) is arranged on the support seat (1) to drive the cutting knife (4) to slide and cut the coil (3).

3. The plastic film rewinding device according to claim 2, Features: The driving member (7) comprises a cylinder (71) arranged on a support seat (1), the output end of the cylinder (71) is connected to a driving plate (62), and two positioning columns (72) are arranged on the support seat (1).

4. The plastic film rewinding device according to claim 3, Features: The ejection assembly (8) comprises a guide groove (81) arranged on the rotating shaft (5), the winding roller (2) is slidably arranged on the guide groove (81), and a positioning member (9) for positioning the winding roller (2) is arranged on the winding roller (2) and the rotating shaft (5).

5. The plastic film rewinding device according to claim 4, Features: The positioning member (9) comprises a plurality of cavities (91) arranged on the rotating shaft (5), a spring (92) being arranged in the cavity (91), a positioning bead (93) being slidably arranged in the cavity (91), the two ends of the spring (92) being respectively connected to the cavity (91) and the positioning bead (93), a positioning groove (94) being arranged on the winding roller (2), the positioning groove (94) and the positioning bead (93) being matched with each other, and a locking member (10) for fixing the coil (3) being arranged on the winding roller (2).

6. The plastic film rewinding device according to claim 5, Features: The locking member (10) comprises an extrusion plate (101) rotatably arranged on a winding roller (2), a rubber block (102) being arranged at the end of the extrusion plate (101), and a winding member (11) for driving the winding roller (2) to wind the coil (3) being arranged on the support seat (1).

7. The plastic film rewinding device according to claim 6, Features: The winding member (11) comprises a mounting plate (111) arranged on a support seat (1), a motor (112) being arranged on the mounting plate (111), the motor (112) being arranged on the mounting plate (111), the output end of the motor (112) being connected to a rotating shaft (5), a guide roller (113) being rotatably arranged on the support seat (1), and a transmission member (12) for driving the winding roller (2) to slide being arranged on the support seat (1).

8. The plastic film rewinding device according to claim 7, Features: The transmission member (12) comprises a push ring (121) slidably arranged on the rotating shaft (5); a sliding column (122) is arranged on the support seat (1); a connecting rod (123) is slidably arranged on the sliding column (122); the connecting rod (123) is connected to the push ring (121); a transmission shaft (124) is rotatably arranged on the support seat (1); a gear (125) is arranged on the transmission shaft (124); and a gear (125) is arranged on the driving plate (62). A rack (126) is provided, the gear (125) and the rack (126) are meshed with each other, a transmission roller (127) is provided on the transmission shaft (124), a thin rope (128) is wound around the transmission roller (127), one end of the thin rope (128) is wound around the transmission roller (127), and the other end of the thin rope (128) is connected to the connecting rod (123), and a reset member (130) for driving the push ring (121) to reset is provided on the support seat (1).

9. The plastic film rewinding device according to claim 8, Features: The reset member (130) comprises a second spring (131) arranged outside the sliding column (122), and two ends of the second spring (131) are respectively connected to corresponding surfaces of the support seat (1) and the connecting rod (123).

10. The plastic film rewinding device according to claim 9, Features: The support seat (1) is provided with an extrusion groove (14), an extrusion block (15) is slidably provided on the extrusion groove (14), the positioning column (72) is rotatably provided on the extrusion block (15), and a spring three (16) is connected to the corresponding surfaces of the extrusion block (15) and the extrusion groove (14).

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