Film splitting machine

Abstract

The invention discloses a film splitting machine which comprises a workbench, a portal frame is fixedly arranged on the upper end face of the workbench, a lifting plate is arranged in the portal frame, an air cylinder is fixedly arranged at the top of the portal frame, a plurality of splitting distance adjusting mechanisms are arranged on the lifting plate, and each splitting distance adjusting mechanism comprises a linear driver, a vertical supporting frame and a positioning sliding block. A first guide through hole is formed in the upper end face of the lifting plate, a motor is fixedly arranged on the lower end opening section, exposed out of the first guide through hole, of the lower end of the vertical supporting frame, a rotating shaft is fixedly arranged on a main shaft of the motor, and a plurality of slitting circular blades sleeve the rotating shaft; a containing groove is formed in the position, under each slitting circular blade, of the upper end face of the workbench, a positioning guide rail is transversely arranged on the bottom face of each containing groove, and a cutter grinding device is arranged on each positioning guide rail. According to the technical scheme, the structural design is reasonable, the slitting width is convenient to adjust and operate, the film slitting efficiency can be improved, the slitting effect is good, and practicability is good.

Description

Technical Field

[0001] The invention relates to the technical field of film slitting, and in particular to a film slitting machine. Background Art

[0002] Film is a thin, soft, transparent sheet made of plastic, adhesive, rubber or other materials, which needs to be cut during film processing.

[0003] The existing patent with publication number CN210260585U discloses a high-speed plastic film slitting machine. When the width of the plastic film strip needs to be changed, the cutter can be placed in different cutter slots on the cutter plate, and the cutter can be fixed on the cutter plate through the second screw, the third screw hole and the fourth screw hole, so that the width of the plastic film strip can be easily changed, which is convenient for the staff to use and improves the practicality of the high-speed plastic film slitting machine. However, the above device needs to operate multiple sets of bolts when adjusting the cutter, which is complicated to disassemble, and the adjustment of the slitting width takes a long time, which is not conducive to improving the film slitting efficiency; and the cutter will be adhered with film debris after long-term use, which affects the slitting effect and leads to poor practicality. Summary of the invention

[0004] In view of the deficiencies in the prior art, the object of the present invention is to provide a film slitting machine with reasonable structural design, convenient slitting width adjustment operation, the ability to improve film slitting efficiency, good slitting effect and good practicality.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a film slitting machine, comprising a workbench, a gantry is fixedly arranged on the upper end surface of the workbench, a lifting plate is arranged in the gantry, a cylinder is fixedly arranged on the top of the gantry, the piston rod of the cylinder is arranged downward, and the lower end of the piston rod of the cylinder is connected to the lifting plate, and the lifting plate is driven to move up and down by the extension and retraction of the piston rod of the cylinder; a plurality of slitting and distance adjusting mechanisms are arranged on the lifting plate, each of which comprises a linear drive, a vertical support frame and a positioning slide block, and the linear drive A push rod is provided at one end, and the push rod is fixedly connected to the upper end of the vertical support frame at an end facing away from the linear drive. The upper end surface of the lifting plate is provided with a first guide through hole at a position aligned with the upper end surface of the vertical support frame, and a second guide through hole is provided on the front end surface of the lifting plate. The second guide through hole is communicated with the aligned first guide through hole. The lower end of the vertical support frame is arranged through the aligned first guide through hole, and a motor is fixedly provided at the lower end section of the lower end of the vertical support frame exposed from the first guide through hole, and a rotating shaft is fixedly provided on the main shaft of the motor, and a plurality of slitting circular blades are sleeved on the rotating shaft; The upper end surface of the workbench is provided with a storage groove directly below each slitting circular blade, and a positioning guide rail is horizontally arranged on the bottom surface of each storage groove. A sharpening device is arranged on the positioning guide rail, and the sharpening device includes a base, a reset spring assembly and a sharpening frame. The lower end of the base is installed on the positioning guide rail, the upper end of the base is fixedly connected to the lower end of the reset spring assembly, and the upper end of the reset spring assembly is fixedly connected to the lower end of the sharpening frame. A sharpening groove is arranged on the upper end surface of the sharpening frame, an elastic buffer layer is fixedly arranged in the sharpening groove, and a left grindstone and a right grindstone are fixedly arranged in the elastic buffer layer, a V-shaped groove is formed between the left grindstone and the right grindstone, and the V-shaped groove is arranged to align with the slitting circular blade directly above.

[0006] The present invention is further configured as follows: the piston of the cylinder extends to drive the lifting plate to move downward, the slitting circular blade is linked to the lifting plate, and the lower end of the slitting circular blade is inserted into the aligned V-groove, and the slitting circular blade is in contact with the left grindstone and the right grindstone.

[0007] The present invention is further configured as follows: the positioning slider is installed in the second guide through hole, and the positioning slider is fixed to the vertical support frame by bolts, the push rod of the linear drive is telescopic to drive the vertical support frame to move left and right along the first guide through hole, and the positioning slider is linked with the vertical support frame, and the positioning slider moves left and right along the second guide through hole.

[0008] The present invention is further configured as follows: the positioning guide rail is fixed to the inner bottom surface of the storage groove by screws, and the slide groove of the positioning guide rail is arranged upward; a positioning protrusion is integrally provided at the lower end of the base, and the positioning protrusion is inserted into the slide groove.

[0009] The present invention is further configured as follows: a collecting hood is fixedly provided on the lower end surface of the workbench, a plurality of debris through holes are provided on the workbench directly above the collecting hood, an exhaust pipe is provided at the lower end of the collecting hood, and a vacuum cleaner is fixedly provided on the end of the exhaust pipe away from the collecting hood.

[0010] The present invention is further configured as follows: a positioning plate is fixedly provided at a local position on the lower end surface of the lifting plate, the positioning plate is provided with a stepped through hole aligned with the position of the rotating shaft, a bearing is embedded in the stepped through hole, and the rotating shaft is arranged away from the motor end and penetrates into the inner hole of the aligned bearing.

[0011] The beneficial effects of the present invention are as follows: compared with the prior art, the present invention has a reasonable structural design, the slitting distance adjustment mechanism drives the vertical support frame to move left and right along the first guide through hole through the extension and contraction of the push rod of the linear drive, and the positioning slide block is linked with the vertical support frame, and the positioning slide block moves left and right along the second guide through hole. At this time, the motor, the rotating shaft and the slitting circular blade are linked with the vertical support frame, the slitting width adjustment operation is convenient, the time consumption is short, and it is beneficial to improve the film slitting efficiency; During slitting: the piston of the cylinder extends to drive the lifting plate to move downward, and the slitting circular blade is linked with the lifting plate. During the downward movement of the slitting circular blade, the existing film placed on the end surface of the workbench is cut, and while the slitting circular blade is slitting the film, the lower end of the slitting circular blade is inserted into the aligned V-groove, and the slitting circular blade contacts and rubs with the left grindstone and the right grindstone, which plays a role of sharpening, making the slitting circular blade sharper; and the slitting circular blade will grind away the film debris adhering to the blade edge of the slitting circular blade during the sharpening process, so that the slitting circular blade has a better slitting effect; In addition, after the vacuum cleaner is turned on, the debris generated by the cutting work is sucked into the collection cover through the debris through-hole on the workbench, and the debris in the collection cover is sucked into the vacuum cleaner through the exhaust pipe for collection, so that there are less film debris on the workbench and the practicality is good.

[0012] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of an embodiment of the present invention; Figure 2 It is a top view schematic diagram of a lifting plate according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the assembly of the positioning plate and the bearing according to an embodiment of the present invention; Figure 4 It is a schematic diagram of a local structure of an embodiment of the present invention; Figure 5 Schematic diagram of the structure of a knife sharpening device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0014] In the description of this embodiment, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore, cannot be understood as limiting the present invention. In addition, if the terms "first", "second", and "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0015] See also Figures 1 to 5A film slitting machine disclosed in the present invention comprises a workbench 1, a gantry 2 is fixedly arranged on the upper end surface of the workbench 1, a lifting plate 3 is arranged inside the gantry 2, a cylinder 4 is fixedly arranged on the top of the gantry 2, a piston rod of the cylinder 4 is arranged downward, and the lower end of the piston rod of the cylinder 4 is connected to the lifting plate 3, and the lifting plate 3 is driven up and down by the extension and contraction of the piston rod of the cylinder 4; a plurality of slitting and adjusting distance mechanisms are arranged on the lifting plate 3, each of which comprises a linear drive 51, a vertical support frame 52 and a positioning slide block 53, a push rod 511 is arranged at one end of the linear drive 51, and the lifting plate 3 is moved upward and downward by the extension and contraction of the piston rod of the cylinder 4. The end of the push rod 511 facing away from the linear drive is fixedly connected to the upper end of the vertical support frame 52, the upper end surface of the lifting plate 3 is provided with a first guide hole 31 aligned with the upper end surface of the vertical support frame 52, and the front end surface of the lifting plate 3 is provided with a second guide hole 32, which is communicated with the aligned first guide hole 31, the lower end of the vertical support frame 52 is arranged through the aligned first guide hole 31, and the lower end section of the vertical support frame 52 exposed from the first guide hole 31 is fixedly provided with a motor 6, and a rotating shaft 7 is fixedly provided on the main shaft of the motor 6, and a plurality of slitting circular blades 8 are sleeved on the rotating shaft 7; The upper end surface of the workbench 1 is provided with a storage groove 11 directly below each slitting circular blade 8, and a positioning guide rail 9 is horizontally arranged on the bottom surface of each storage groove 11. A sharpening device is arranged on the positioning guide rail 9, and the sharpening device includes a base 101, a reset spring assembly 102 and a sharpening frame 103. The lower end of the base 101 is installed on the positioning guide rail 9, the upper end of the base 101 is fixedly connected to the lower end of the reset spring assembly 102, and the upper end of the reset spring assembly 102 is fixedly connected to the lower end of the sharpening frame 103. A sharpening groove is arranged on the upper end surface of the sharpening frame 103, an elastic buffer layer 104 is fixedly arranged in the sharpening groove, a left grindstone 105 and a right grindstone 106 are fixedly arranged in the elastic buffer layer 104, a V-shaped groove 107 is formed between the left grindstone 105 and the right grindstone 106, and the V-shaped groove 107 is arranged to align with the slitting circular blade 8 directly above.

[0016] Preferably, the lower end of the gantry 2 is fixed to the upper end surface of the workbench 1 by welding or bolting; the cylinder 4 is fixed to the top of the gantry 2 by bolting, and the lower end of the piston rod of the cylinder 4 is fixed to the lifting plate 3 by threaded connection or bolting; 1-2 slitting and adjusting mechanisms are arranged on the lifting plate 3, and when 2 slitting and adjusting mechanisms are arranged, the 2 slitting and adjusting mechanisms are symmetrically arranged; the linear drive 51 is fixed to the lifting plate 3 by bolting; the push rod 511 is away from the linear drive end and is fixed to the vertical support frame 52 The upper end is fixed by welding or by bolt connection; the lower end section 31 of the vertical support frame 52 exposing the first guide through hole is fixed to the motor 6 by bolt connection, and the vertical support frame 52 is provided with a motor shaft through hole or the motor is arranged on one side of the vertical support frame 52, and the main shaft of the motor is fixed to one end of the rotating shaft 7 by welding or by coupling and bolt locking; the number of slitting circular blades 8 mounted on the rotating shaft 7 is 1-3, and each slitting circular blade 8 is fixed by bolts or screws after being mounted on the rotating shaft 7, and the slitting circular blades 8 are all rotated in conjunction with the rotating shaft 7. The base 101, the reset spring assembly 102 and the sharpening frame 103 are all made of stainless steel. The upper end of the base 101 is fixed to the lower end of the reset spring assembly 102 by welding, and the upper end of the reset spring assembly 102 is fixed to the lower end of the sharpening frame 103 by welding; the elastic buffer layer 104 is a silicone pad or a spring, and the elastic buffer layer 104 has a U-shaped structure. The elastic buffer layer and the inner wall surface of the storage groove 11 are bonded and fixed by glue; the left whetstone 105 and the left inner wall surface of the elastic buffer layer 104 are bonded and fixed by glue, and the right whetstone 106 and the right inner wall surface of the elastic buffer layer 104 are bonded and fixed by glue, or the left whetstone 105 and the right whetstone 106 are limited by a limit frame.

[0017] In order to make the structural design of the present invention more reasonable, as a preferred embodiment, the piston of the cylinder 4 described in this embodiment extends to drive the lifting plate 3 to move downward, the slitting circular blade 8 is linked with the lifting plate 3, and the lower end of the slitting circular blade 8 is inserted into the aligned V-groove 107, and the slitting circular blade 8 is in contact with the left whetstone 105 and the right whetstone 106.

[0018] The positioning slider 53 is installed in the second guide hole 32, and the positioning slider 53 is fixed to the vertical support frame 52 by bolts. The push rod 511 of the linear drive 51 is telescopic to drive the vertical support frame 52 to move left and right along the first guide hole 31, and the positioning slider 53 is linked with the vertical support frame 52, and the positioning slider 53 moves left and right along the second guide hole 32.

[0019] The positioning rail 9 is fixed to the inner bottom surface of the storage groove 11 by screws, and the slide groove of the positioning rail 9 is arranged upward; a positioning protrusion 1011 is integrally arranged at the lower end of the base 101, and the positioning protrusion 1011 is inserted into the slide groove. Preferably, after the position of the base 101 is adjusted, it is fixed to the positioning rail 9 or the inner bottom surface of the storage groove 11 by bolts.

[0020] A collecting hood 12 is fixedly provided on the lower end surface of the workbench 1. A plurality of debris through holes 13 are provided on the workbench 1 directly above the collecting hood 12. An exhaust pipe 14 is provided at the lower end of the collecting hood 12. A dust collector 15 is fixedly provided on the end of the exhaust pipe 14 facing away from the collecting hood. Preferably, the number of the debris through holes 13 is 2-12. The upper end of the collecting hood 12 is fixed to the lower end surface of the workbench 1 by bolts, the upper end of the exhaust pipe 14 is threadedly connected to the interface of the lower end of the collecting hood 12 or fixed by glue, and the lower end of the exhaust pipe 14 is threadedly connected to the air suction port of the dust collector 15.

[0021] A positioning plate 16 is fixedly provided at a local position on the lower end surface of the lifting plate 3. The positioning plate 16 is provided with a stepped through hole aligned with the position of the rotating shaft. A bearing 17 is embedded in the stepped through hole. The rotating shaft 7 is arranged away from the motor end and penetrates into the inner hole of the aligned bearing 17.

[0022] Preferably, the gantry 2 includes a left vertical bracket and a right vertical bracket, a left vertical slide groove is arranged on the right end surface of the left vertical bracket, a right vertical slide groove is arranged on the left end surface of the right vertical bracket, a left positioning slider is integrally arranged on the left end surface of the lifting plate 3, and the left end of the left positioning slider is inserted into the left vertical slide groove, and a right positioning slider is integrally arranged on the right end surface of the lifting plate, and the right end of the right positioning slider is inserted into the right vertical slide groove.

[0023] In actual application, the slitting distance adjustment mechanism drives the vertical support frame 52 to move left and right along the first guide hole 31 through the extension and contraction of the push rod 511 of the linear driver 51, and the positioning slider 53 is linked with the vertical support frame 52, and the positioning slider 53 moves left and right along the second guide hole 32. At this time, the motor 6, the rotating shaft 7 and the slitting circular blade 8 are linked with the vertical support frame 52, and the slitting width adjustment operation is convenient and time-consuming, which is conducive to improving the film slitting efficiency; During slitting operation: the piston of the cylinder 4 extends to drive the lifting plate 3 to move downward, and the slitting circular blade 8 is linked with the lifting plate 3. During the downward movement of the slitting circular blade 8, the existing film placed on the end surface of the workbench is cut, and while the slitting circular blade 8 is slitting the film, the lower end of the slitting circular blade 8 is inserted into the aligned V-shaped groove 107, and the slitting circular blade 8 is in contact and friction with the left grindstone 105 and the right grindstone 106, which plays a sharpening role, making the slitting circular blade 8 sharper; and the slitting circular blade 8 will grind away the film debris adhering to the blade of the slitting circular blade 8 during the sharpening process, so that the slitting circular blade 8 has a better slitting effect; In addition, after the vacuum cleaner 15 is turned on, the debris generated by the cutting work is sucked into the collection cover 12 through the debris through hole 13 on the workbench 1, and the debris in the collection cover 12 is sucked into the vacuum cleaner through the exhaust pipe 14 for collection, so that there are less film debris on the workbench and the practicality is good.

[0024] The specific description of the present invention in the above embodiments is only used to further illustrate the present invention and cannot be understood as limiting the scope of protection of the present invention. Technical engineers in this field may make some non-essential improvements and adjustments to the present invention based on the contents of the above invention, which fall within the scope of protection of the present invention.

Claims

1. A film slitting machine, comprising a workbench (1), a gantry (2) being fixedly arranged on the upper end surface of the workbench (1), a lifting plate (3) being arranged inside the gantry (2), a cylinder (4) being fixedly arranged on the top of the gantry (2), a piston rod of the cylinder (4) being arranged downward, and a lower end of the piston rod of the cylinder (4) being connected to the lifting plate (3), and the lifting plate (3) being driven to move up and down by the extension and retraction of the piston rod of the cylinder (4); characterized in that: The lifting plate (3) is provided with a plurality of slitting and adjusting distance mechanisms, each of which comprises a linear drive (51), a vertical support frame (52) and a positioning slide block (53); a push rod (511) is provided at one end of the linear drive (51); the push rod (511) is fixedly connected to the upper end of the vertical support frame (52) at an end facing away from the linear drive; a first guide through hole (31) is provided at a position where the upper end surface of the lifting plate (3) is aligned with the upper end surface of the vertical support frame (52); A second guide through hole (32) is provided on the front end surface of the vertical support frame (52), the second guide through hole (32) is communicated with the aligned first guide through hole (31), the lower end of the vertical support frame (52) is arranged through the aligned first guide through hole (31), and a motor (6) is fixedly provided on the lower end section of the vertical support frame (52) exposed from the first guide through hole (31), a rotating shaft (7) is fixedly provided on the main shaft of the motor (6), and a plurality of slitting circular blades (8) are sleeved on the rotating shaft (7); The upper end surface of the workbench (1) is provided with a storage groove (11) located directly below each circular slitting blade (8), and a positioning guide rail (9) is transversely provided on the bottom surface of each storage groove (11). A knife sharpening device is provided on the positioning guide rail (9), and the knife sharpening device comprises a base (101), a return spring assembly (102) and a knife sharpening frame (103). The lower end of the base (101) is mounted on the positioning guide rail (9), and the upper end of the base (101) is fixedly connected to the lower end of the return spring assembly (102). The upper end of the return spring assembly (102) is fixedly connected to the lower end of the sharpening frame (103); a sharpening groove is arranged on the upper end surface of the sharpening frame (103); an elastic buffer layer (104) is fixedly arranged in the sharpening groove; a left sharpening stone (105) and a right sharpening stone (106) are fixedly arranged in the elastic buffer layer (104); a V-shaped groove (107) is formed between the left sharpening stone (105) and the right sharpening stone (106); the V-shaped groove (107) is arranged to align with the slitting circular blade (8) directly above.

2. A film slitting machine according to claim 1, characterized in that: The piston of the cylinder (4) extends to drive the lifting plate (3) to move downward, and the slitting circular blade (8) is linked to the lifting plate (3), and the lower end of the slitting circular blade (8) is inserted into the aligned V-shaped groove (107), and the slitting circular blade (8) is in contact with the left grindstone (105) and the right grindstone (106).

3. A film slitting machine according to claim 2, characterized in that: The positioning slider (53) is installed in the second guide through hole (32), and the positioning slider (53) is fixed to the vertical support frame (52) by bolt connection, the push rod (511) of the linear drive (51) is extended and retracted to drive the vertical support frame (52) to move left and right along the first guide through hole (31), and the positioning slider (53) is linked with the vertical support frame (52), and the positioning slider (53) moves left and right along the second guide through hole (32).

4. A film slitting machine according to claim 1 or 3, characterized in that: The positioning guide rail (9) is fixed to the inner bottom surface of the storage groove (11) by means of screws, and the slide groove of the positioning guide rail (9) is arranged upwards; a positioning protrusion (1011) is integrally arranged at the lower end of the base (101), and the positioning protrusion (1011) is inserted into the slide groove.

5. A film slitting machine according to claim 1 or 3, characterized in that: A collecting hood (12) is fixedly arranged on the lower end surface of the workbench (1); a plurality of debris through holes (13) are arranged on the workbench (1) directly above the collecting hood (12); an exhaust pipe (14) is arranged at the lower end of the collecting hood (12); and a dust collector (15) is fixedly arranged on the end of the exhaust pipe (14) facing away from the collecting hood.

6. A film slitting machine according to claim 1 or 3, characterized in that: A positioning plate (16) is fixedly provided at a local position on the lower end surface of the lifting plate (3); a stepped through hole is provided on the positioning plate (16) in alignment with the position of the rotating shaft; a bearing (17) is embedded in the stepped through hole; the rotating shaft (7) is disposed away from the motor end and penetrates the inner hole of the aligned bearing (17).

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