CN107963501B

CN107963501B - Film cutting equipment

Info

Publication number: CN107963501B
Application number: CN201711425648.3A
Authority: CN
Inventors: 瞿珠薇
Original assignee: Huizhou Ruishile Photoelectric Technology Co ltd
Current assignee: Huizhou Ruishile Photoelectric Technology Co ltd
Priority date: 2017-12-25
Filing date: 2017-12-25
Publication date: 2023-11-28
Anticipated expiration: 2037-12-25
Also published as: CN107963501A

Abstract

The utility model provides film cutting equipment, and belongs to the technical field of machining equipment. It has solved the lower problem of current film slitting efficiency. The film cutting equipment comprises a frame, a film cutting platform and a roll shaft, wherein a pull-out mechanism is arranged on the film cutting platform, a main shaft is rotationally connected to the frame, a tool rest is horizontally connected to the lower end of the main shaft, a plurality of film cutting tools are slidingly connected to the tool rest along the length direction, the cutting edges of the film cutting tools can be propped against the upper side surface of the film cutting platform, a transverse driving piece capable of driving the main shaft to transversely move along the film cutting platform and a longitudinal driving piece longitudinally move along the film cutting platform are respectively arranged on the frame, and an adjusting mechanism capable of synchronously adjusting the distance between two adjacent film cutting tools when the main shaft rotates is arranged between the frame and the tool rest. This cut membrane equipment can cut the film automatically, and efficiency is higher.

Description

Film cutting equipment

Technical Field

The utility model belongs to the technical field of machining equipment, and relates to film cutting equipment.

Background

When electronic products such as mobile phones and the like are packaged, flexible films are usually required to be adhered to a display screen, so that the display screen is protected in the packaging, transportation and selling processes, scratch is avoided, for example, chinese patent application No. 201320095641.0 discloses a pressure-controlled automatic film laminating machine which comprises an electric control device, a turnover plate platform, a turnover device, a moving platform, a linear displacement device and a pressurizing device, wherein the turnover plate platform and the moving platform are used for respectively providing carriers for bearing the display screen and a film, the turnover device and the linear displacement device are matched with each other in a driving manner so as to simulate the applying and pressing process in the film laminating process, the pressurizing device is used for providing pressure, the automatic film laminating is realized, the film which is not cut is usually large in size and wound into a cylinder shape, therefore, the film is required to be cut into films with the corresponding size of the mobile phones, then the films are adhered to the display screen of the mobile phones, and at present, the cutting of the film is usually cut manually through a knife switch, so that the efficiency is low.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a film cutting device which can automatically cut a film and has high efficiency.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a cut membrane equipment, includes frame, the level is fixed and is used for the roller of the film reel of cutting the membrane platform in the frame, and this roller is located one side of cutting the membrane platform, a serial communication port, it can pull out the epaxial film of roller and cover the pulling-out mechanism on cutting the membrane platform to cut the membrane platform to be equipped with on cutting the membrane platform, rotate in the frame and be connected with the main shaft, this main shaft can follow the horizontal and longitudinal movement of cutting the membrane platform, the lower extreme level of main shaft is connected with rectangular knife rest, and this knife rest is located the top of cutting the membrane platform, along length direction sliding connection there being a plurality of membrane cutters on the knife rest, this a plurality of membrane cutters all are along knife rest length direction evenly arranged, a plurality of the cutting edge of membrane cutter all can support on cutting the membrane platform upside, be equipped with respectively in the frame and can drive the main shaft along the horizontal driving piece of cutting membrane platform lateral movement and along the vertical driving piece of cutting membrane platform longitudinal movement, be equipped with between frame and the knife rest and can synchronous adjustment adjacent two when main shaft rotates between the knife rest.

The during operation film reel cover sets for to be located the roller, be connected with pulling out the mechanism with the outer end of film, pulling out the mechanism and can be automatic with the film pull out and cover on cutting the membrane platform, the cutting edge of cutting the membrane sword is supported and is pressed on the film this moment, vertical driving piece drives the knife rest and moves along vertical, make and cut the membrane sword along vertical slitting film, the film is cut into a plurality of rectangular shapes, and this a plurality of rectangular shapes' film is the same width, then the main shaft is rotatory, adjustment mechanism can adjust the distance between two adjacent cutting membrane sword, the interval between two arbitrary cutting membrane sword is the same simultaneously, then horizontal driving piece drives the knife rest and moves along the lateral shifting, make the cutting membrane sword cut the film along horizontal, the film is cut into the diaphragm of a plurality of rectangles, and the diaphragm can have different aspect ratio, the film that the pulling out on the mechanism can continue to pull out the film on the film after the film is cut is accomplished, the whole process need not manual operation, work efficiency is higher, wherein horizontal slitting and vertical needs to cut the interval of cutting between the membrane sword, and this cutting membrane equipment is adjusted through adjustment mechanism, namely cut through same group of cutting membrane sword can reduce the use amount of cutting membrane.

In the above-mentioned film cutting equipment, the knife rest is including being rectangular form and the knife frame that the level set up, have the installation cavity in the knife frame, it all includes the cutter arbor to cut the membrane sword, the lower extreme of cutter arbor rotates and is connected with the blade disc, has all linked firmly the regulating block in the upper end of cutter arbor, regulating block all follows knife frame length direction sliding connection at the installation intracavity, the knife frame is stretched out to the lower extreme of cutter arbor, and the outward flange of blade disc can support and lean on cutting the upside of membrane platform. The lower extreme of cutter arbor stretches out the knife frame and connects the blade disc, and the outer border of blade disc is the cutting edge, and the blade disc can support and press when the knife rest removes and roll on the film to cut the film, and the upper end of cutter arbor passes through the regulating block to be connected in the installation intracavity, realizes adjusting through the slip.

In the film cutting equipment, the adjusting mechanism comprises a plurality of connecting rods, the connecting rods are hinged to the opposite side surfaces of each adjusting block through connecting pins, the two connecting rods on the same adjusting block are arranged in a crossed mode, the connecting pins are located in the middle of the connecting rods, the end portions of the connecting rods on one side of the adjusting blocks are hinged to the end portions of the connecting rods on the other side of the adjacent adjusting blocks through connecting columns, the adjusting blocks located in the middle are fixedly connected with the cutter frame, transmission rods are fixedly connected to the adjusting blocks located at the two ends, the transmission rods upwards extend out of the cutter frame, and guide rods capable of driving the adjusting blocks to slide through the transmission rods when the main shafts rotate are arranged above the film cutting platform. The adjacent two regulating blocks are connected through the connecting rod, when the regulating block positioned at the most end part is subjected to acting force to move, the regulating blocks can synchronously move, the distance between every two adjacent regulating blocks is changed identically, one regulating block in the middle is fixed, the integral position of the regulating blocks can be limited, the regulating blocks at two sides can only synchronously close or disperse, and the regulating precision is higher.

In the above-mentioned film cutting equipment, the guide bar has two and the level links firmly in the top of cutting the membrane platform, the guide bar is the arc, and the one end of guide bar is located and cuts the longitudinal middle part of membrane platform and be close to the long border department of cutting the membrane platform, and the other end is located and cuts the horizontal middle part of membrane platform and be close to the minor face edge department of cutting the membrane platform, two the guide bar cuts the vertical central line central symmetry setting of membrane platform relatively, the upper end of transfer line links firmly the leading truck of U-shaped, and the opening of leading truck upwards, be equipped with on the main shaft and can drive the ascending lifter of knife rest upward movement and make the leading truck detain on the guide bar. When the error occurs in the movement of the regulating block at the most end part, the error can be equally distributed to a plurality of regulating blocks, so that each regulating block has the error, the influence on the film is larger, the regulating block at the most end part is driven by a fixed guide rod, namely, a lifting piece drives a knife frame to lift when the regulating block is required to be regulated, so that the guide frame is buckled on the guide rod, the guide frame can move along the guide rod when the knife frame rotates, the guide rod can push and pull the regulating block at the end part, when the guide frame moves to one end of the guide rod, which is positioned at the long edge of the film cutting platform, the knife rest is transversely arranged along the film cutting platform, at the moment, the distance between two adjacent film cutting knives is the smallest, then the lifting piece drives the knife frame to descend, so that the guide frame is separated from the guide rod, the knife rest can longitudinally move, and of course, when the guide frame moves to one end of the guide rod, which is positioned at the short edge of the film cutting platform, the knife rest is longitudinally arranged along the film cutting platform, and the distance between two adjacent film cutting knives is the largest, so that the regulating precision and stability are higher.

In the film cutting equipment, the lifting piece comprises two micro cylinders, the lower end of the main shaft is fixedly connected with the supporting disc, the cutter frame further comprises two long connecting plates and connecting discs fixedly connected between the end parts of the two connecting plates, a plurality of guide rails are vertically and fixedly connected on the lower side face of the supporting disc, a plurality of connecting feet are vertically and fixedly connected on the upper side face of the connecting discs, a plurality of connecting blocks are respectively arranged on the side faces of the connecting feet and are respectively and slidably connected in the guide rails, the two micro cylinders are respectively and fixedly connected in the two guide rails, the piston rods of the micro cylinders face downwards vertically and are fixedly connected with the connecting blocks, two guide posts are vertically and fixedly connected on the upper side face of the outer end of the connecting plate, two connecting sleeves are fixedly connected at the two ends of the cutter frame, the connecting sleeves are slidably sleeved on the guide posts, a compression spring is further sleeved on the guide posts, the lower ends of the compression spring are propped against the upper end faces of the connecting sleeves, and the upper ends of the guide posts are propped against the upper ends of the guide posts, and when the cutter frame descends, the cutter frame can prop against the film platform under the action of the compression spring. The main shaft drives the knife frame to rotate through the supporting plate, and the miniature cylinder in the guide rail drives the connecting disc to lift, so that the knife frame is driven to lift, when the knife rest descends, the knife disc is abutted against the film on the film cutting platform, then the knife frame can be separated from the supporting plate, namely, the knife disc can be fully pressed on the film by the pressing spring, and the film cutting quality is improved.

In the above-mentioned film cutting equipment, the film cutting equipment still includes a longitudinal movement board and two lateral movement boards, the frame has all linked firmly two lateral guide shafts along the transverse direction at the both ends of cutting the membrane platform, all linked firmly a plurality of lateral guide sleeves on the downside of lateral movement board, two lateral guide sleeves on the lateral movement board slide respectively and overlap and establish on the lateral guide shaft at cutting the membrane platform both ends, two between the lateral movement board have linked firmly two longitudinal guide shafts along vertically, link firmly a plurality of longitudinal guide sleeves on the longitudinal movement board downside, this a plurality of longitudinal guide sleeves sliding connection respectively is on two longitudinal guide shafts, the main shaft rotates and connects on the longitudinal movement board, has still linked firmly the rotating electrical machines on the longitudinal movement board, and the motor shaft and the main shaft upper end of this rotating electrical machines link firmly mutually. The sliding arrangement of the transverse moving plate and the longitudinal moving plate enables the movement of the tool rest to be stable.

In the above-mentioned film cutting equipment, the horizontal driving piece includes two horizontal motors, the frame has all rotated along the horizontal direction at the both ends of cutting the membrane platform and has been connected with horizontal screw rod, still link firmly horizontal swivel nut on the lateral shifting board downside, two horizontal swivel nut respectively the spiro union is on two horizontal screw rods, two horizontal motors link firmly in the frame, and the motor shaft of two horizontal motors links firmly with two horizontal screw rod tip respectively, the vertical driving piece includes longitudinal motor, two still rotate along vertical direction between the lateral shifting board and be connected with the longitudinal screw rod, have linked firmly vertical swivel nut on the longitudinal screw rod on the longitudinal shifting board downside, the longitudinal motor links firmly on the lateral shifting board, and the motor shaft of longitudinal motor links firmly with longitudinal screw rod one end. The transverse motor drives the transverse moving plate to move through the transverse screw rod to realize transverse cutting of the film cutting knife, and the longitudinal motor drives the longitudinal moving plate to move through the longitudinal screw rod to realize longitudinal cutting of the film cutting knife, so that the transverse cutting and the longitudinal cutting are relatively independent, and the film cutting is completed successively.

In the above-mentioned film cutting equipment, cut the membrane platform including rectangular frame form's support frame and a plurality of long banding backup pad, the support frame level links firmly in the frame, rotates on the support frame and is connected with a plurality of actuating levers, and the length direction of this a plurality of actuating levers sets up along the horizontal of support frame, and a plurality of actuating levers all along the longitudinal direction of support frame along arranging, and a plurality of the backup pad links firmly on a plurality of actuating levers along length direction respectively, and when a plurality of backup pads swing to the horizontality in the same horizontal plane, the long border in one side of backup pad downside has the guide inclined plane, works as the guide inclined plane is relative with the upside of adjacent backup pad when the backup pad swings to the inclination, still be equipped with in the frame and drive a plurality of actuating lever synchronous pivoted unloading cylinders. After slitting is completed, the blanking cylinder drives a plurality of support plates to swing synchronously, one side with a guide inclined plane swings upwards, the other side swings downwards, at the moment, the width direction of the support plates is inclined, films slit in the support plates can slide down the support plates in a homeotropic manner, edge parts of the films slit are likely to tilt, therefore, the guide section of one support plate is opposite to the upper side face of the adjacent support plate, the guide inclined plane enables a gap for the films to slide out to be enlarged, and a guide effect is achieved on the films, so that the films are prevented from being clamped on the support plates.

In the film cutting equipment, a strip-shaped groove is formed in the lower side face of the support frame along the longitudinal direction, one end of the driving rod extends into the strip-shaped groove, a transmission gear is fixedly connected to the extending end of the driving rod, a transmission rack is further connected to the lower side face of the support frame along the longitudinal direction in a sliding manner, the transmission rack is meshed with a plurality of transmission gears, and a piston rod of the blanking cylinder is fixedly connected with the transmission rack. The blanking cylinder drives the transmission rack to move, the transmission rack can drive a plurality of transmission gears to synchronously rotate, and then a plurality of support plates are driven to synchronously swing, so that the film on the film cutting platform is synchronously blanked.

In the above-mentioned film cutting equipment, all offered a plurality of gas pockets along length direction on the backup pad side, the actuating lever is tubulose, has linked firmly a plurality of fixed columns along length direction on the outer wall of actuating lever, the lower extreme of gas pocket is vertical section, and the upper end is the slope section, and a plurality of fixed columns are pegged graft and are linked firmly in the vertical section of gas pocket, the through-hole that links air vent and actuating lever hole has been offered along the axial on the fixed column, the upper end of slope section is all to the backup pad one side slope of keeping away from the guide inclined plane. The tip of actuating lever is connected with the air pump through the hose, when the film is pulled out by pulling out mechanism and cover on cutting the membrane platform, the air pump is taken out, the gas pocket is inhaled and is adsorbed the film on cutting the membrane platform, realize the location to the film, even the film also can not appear shifting after cutting in a direction, guarantee the quality of cutting in another direction, and when the backup pad swings to the slope, the air pump is to the gas pocket gassing, blowout air current in the gas pocket, because the slope section orientation of gas pocket is kept away from one side of guide inclined plane, consequently can produce the decurrent air current of slope to the film, supplementary film slides the backup pad down.

Compared with the prior art, the film cutting equipment has the following advantages:

1. because this cut membrane equipment is adjusted through adjustment mechanism for transversely cut and vertically cut and all go on through same group and cut the membrane sword, and can cut out the diaphragm of different aspect ratios, thereby reduce the use amount of cutting the membrane sword, improve the rate of utilization of cutting the membrane sword.

2. When the error occurs in the movement of the regulating block at the most end part, the error can be equally distributed to a plurality of regulating blocks, so that each regulating block has the error, the influence on the film is larger, and the regulating block at the most end part is driven through the fixed guide rod, so that the power source is reduced, and meanwhile, the regulating precision and the stability are higher.

3. Because the backup pad has the gas pocket, when the film is pulled out by pulling out mechanism and cover on cutting the membrane platform, the gas pocket is inhaled and is adsorbed the film on cutting the membrane platform, realize the location to the film, even the film also can not appear shifting after cutting in a direction, guarantee the quality of cutting in another direction, and when the backup pad swings to the slope, blowout air current in the gas pocket, because the slope section orientation of gas pocket is kept away from one side of guide inclined plane, consequently can produce slope decurrent air current to the film, supplementary film slides the backup pad down.

Drawings

Fig. 1 is a schematic perspective view of the film cutting apparatus.

Fig. 2 is an enlarged view of the structure at a in fig. 1.

Fig. 3 is a top view of the structure of the present film cutting apparatus.

Fig. 4 is a cross-sectional view of the structure at B-B in fig. 3.

Fig. 5 is a cross-sectional view of the structure at C-C in fig. 3.

Fig. 6 is an enlarged view of the structure at D in fig. 4.

Fig. 7 is an enlarged view of the structure at E in fig. 5.

Fig. 8 is an enlarged view of the structure at F in fig. 1.

Fig. 9 is an enlarged view of the structure at G in fig. 5.

Fig. 10 is an enlarged view of the structure at H in fig. 4.

Fig. 11 is a partial structural cross-sectional view of the support bracket.

Fig. 12 is an enlarged view of the structure at I in fig. 5.

Fig. 13 is an enlarged view of the structure at J in fig. 1.

Fig. 14 is a partial structural cross-sectional view of the tensioning assembly.

Fig. 15 is a partial structure enlarged view of the pull-out mechanism.

Fig. 16 is an enlarged view of the structure at K in fig. 3.

In the figure, 1, a rack; 11. a roll shaft; 12. a transverse guide shaft; 13. a transverse screw; 14. a transverse motor; 15. a slide rail; 2. cutting a film platform; 21. a support frame; 211. a bar-shaped groove; 22. a support plate; 221. a material guiding inclined plane; 222. air holes; 23. a driving rod; 231. a transmission gear; 232. fixing the column; 233. a through hole; 24. a blanking cylinder; 241. a drive rack; 3. a tool holder; 31. a knife frame; 311. a mounting cavity; 312. connecting sleeves; 32. a film cutting knife; 321. a cutter bar; 322. a cutterhead; 323. an adjusting block; 33. a connecting plate; 331. a guide post; 332. a compression spring; 34. a connecting disc; 341. a connecting pin; 342. a connecting block; 4. an adjusting mechanism; 41. a connecting rod; 42. a connecting pin; 43. a connecting column; 44. a transmission rod; 45. a guide frame; 46. a guide rod; 5. a main shaft; 51. a support plate; 511. a guide rail; 512. a micro cylinder; 6. a lateral moving plate; 61. a transverse guide sleeve; 62. a longitudinal guide shaft; 63. a longitudinally moving plate; 64. a longitudinal guide sleeve; 65. a rotating electric machine; 66. a transverse screw sleeve; 67. a longitudinal motor; 68. a longitudinal screw; 69. a longitudinal screw sleeve; 7. a pull-out mechanism; 71. a clamping seat; 711. clamping blocks; 712. a bar-shaped protrusion; 713. an electromagnetic valve; 714. a push plate; 715. a support column; 716. a sliding sleeve; 717. a roller; 72. a power member; 721. a power motor; 722. a drive gear; 723. a drive rack; 73. a tensioning assembly; 731. a tensioning wheel; 732. a rubber layer; 733. tensioning a spring; 734. a clamping rod; 735. a connecting frame; 736. a damping sheet; 737. wrapping edges; 738. pushing the column; 739. a shaft sleeve; 74. a movable seat; 741. a mounting groove; 742. a sliding shaft; 743. a return spring; 744. a slide block; 75. avoiding the guide rod; 751. avoiding the push rod.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 and 2, a film cutting device comprises a frame 1, a film cutting platform 2 horizontally fixed on the frame 1, and a roll shaft 11 for positioning a film winding drum, wherein the roll shaft 11 is positioned on one side of the film cutting platform 2, the film cutting platform 2 is rectangular, a pull-out mechanism 7 capable of pulling out a film on the roll shaft 11 and covering the film cutting platform 2 is arranged on the film cutting platform 2, a spindle 5 is rotatably connected to the frame 1, the spindle 5 can move transversely and longitudinally along the film cutting platform 2, the lower end of the spindle 5 is horizontally connected with a strip-shaped cutter rest 3, the cutter rest 3 is positioned above the film cutting platform 2, a plurality of film cutting cutters 32 are slidingly connected to the cutter rest 3 along the length direction, the cutting edges of the film cutting cutters 32 are uniformly arranged along the length direction of the cutter rest 3 and can be abutted against the upper side surface of the film cutting platform 2, a transverse driving piece capable of driving the spindle 5 to move transversely along the film cutting platform 2 and a longitudinal driving piece capable of driving the spindle 2 to move longitudinally along the film cutting platform 2 are respectively arranged on the frame 1, and a synchronous distance adjusting mechanism 4 capable of adjusting adjacent films when the spindle 5 rotates between the frame 1 and the cutter rest 3 is arranged. The during operation film reel cover is set up and is located on roller 11, be connected with pull-out mechanism 7 with the outer end of film, pull-out mechanism 7 can be automatic with the film pull-out and cover on cutting membrane platform 2, the cutting edge of cutting membrane sword 32 supports and presses on the film this moment, vertical driving piece drives knife rest 3 along vertical removal, make cutting membrane sword 32 cut the film along vertical, the film is cut into a plurality of long strips, and this a plurality of long strips's film is the same width, then main shaft 5 is rotatory, adjustment mechanism 4 can adjust the distance between two adjacent cutting membrane sword 32, the interval between arbitrary two adjacent cutting membrane sword 32 is the same simultaneously, then horizontal driving piece drives knife rest 3 along lateral shifting, make cutting membrane sword 32 cut into a plurality of rectangle's diaphragms along the lateral direction, and the diaphragm can have different aspect ratios, pull-out mechanism 7 can continue to pull out the film on 11 after the film is cut, whole process need not manual operation, wherein transversely cut and cut the longitudinal need cutting membrane 32 between the different intervals, and this cutting membrane equipment cuts membrane 32 through adjustment mechanism 4 carries out the cutting membrane 32 through adjustment mechanism, the use amount that cuts membrane 32 through the same group of knife 32.

Referring to fig. 3, 4 and 5, the tool rest 3 includes a tool frame 31 which is long and horizontally arranged, a mounting cavity 311 is formed in the tool frame 31, the film cutting tools 32 include tool bars 321, the lower ends of the tool bars 321 are rotationally connected with tool heads 322, adjusting blocks 323 are fixedly connected to the upper ends of the tool bars 321, the adjusting blocks 323 are slidably connected in the mounting cavity 311 along the length direction of the tool frame 31, the lower ends of the tool bars 321 extend out of the tool frame 31, and the outer edges of the tool heads 322 can abut against the upper side surfaces of the film cutting platforms 2. Referring to fig. 6, the adjusting mechanism 4 includes a plurality of connecting rods 41, two opposite sides of each adjusting block 323 are hinged with one connecting rod 41 through connecting pins 42, two connecting rods 41 on the same adjusting block 323 are arranged in a crossed manner, the connecting pins 42 are located in the middle of the connecting rods 41, the end of the connecting rod 41 on one side of the adjusting block 323 is hinged with the end of the connecting rod 41 on the other side of the adjacent adjusting block 323 through connecting posts 43, the adjusting block 323 located in the middle is fixedly connected with the knife frame 31, the adjusting blocks 323 located at two ends are fixedly connected with transmission rods 44, the transmission rods 44 extend upwards out of the knife frame 31, and a guide rod 46 capable of driving the adjusting blocks 323 to slide through the transmission rods 44 when the main shaft 5 rotates is arranged above the film cutting platform 2. The guide rods 46 are two and horizontally fixedly connected above the film cutting platform 2, the guide rods 46 are arc-shaped, one end of each guide rod 46 is located in the longitudinal middle of the film cutting platform 2 and close to the long edge of the film cutting platform 2, the other end of each guide rod 46 is located in the transverse middle of the film cutting platform 2 and close to the short edge of the film cutting platform 2, the two guide rods 46 are symmetrically arranged relative to the vertical center line of the film cutting platform 2, the upper ends of the transmission rods 44 are fixedly connected with U-shaped guide frames 45, the openings of the guide frames 45 face upwards, and lifting pieces capable of driving the cutter frame 31 to move upwards and enabling the guide frames 45 to be buckled on the guide rods 46 are arranged on the main shaft 5. The lifting member comprises two micro-cylinders 512, the lower end of the main shaft 5 is fixedly connected with a supporting disc 51, the tool rest 3 further comprises two long connecting plates 33 and a connecting disc 34 fixedly connected between the ends of the two connecting plates 33, a plurality of guide rails 511 are vertically and fixedly connected to the lower side surface of the supporting disc 51, a plurality of connecting pins 341 are vertically and fixedly connected to the upper side surface of the connecting disc 34, connecting blocks 342 are respectively arranged on the side surfaces of the connecting pins 341, the connecting blocks 342 are respectively and slidably connected to the guide rails 511, the two micro-cylinders 512 are respectively and fixedly connected to the two guide rails 511, the piston rods of the micro-cylinders 512 are vertically downward and fixedly connected with the connecting blocks 342, two guide posts 331 are vertically and fixedly connected to the upper side surface of the outer end of the connecting plate 33, two connecting sleeves 312 are fixedly connected to the two ends of the tool frame 31, the guide posts 331 are slidably sleeved with compression springs 332, the lower ends of the compression springs 332 are abutted against the upper end surfaces of the connecting sleeves 312, the upper ends of the guide posts 331 are abutted against the upper ends of the guide posts 331, and the tool rest 3 can be abutted against the cutter disc 2 when the tool rest 3 is lowered under the action of the compression springs.

Referring to fig. 9 and 10, the film cutting apparatus further includes a longitudinal moving plate 63 and two transverse moving plates 6, wherein two ends of the film cutting platform 2 of the frame 1 are respectively and fixedly connected with two transverse guide shafts 12 along a transverse direction, a plurality of transverse guide sleeves 61 are respectively and slidably sleeved on the transverse guide shafts 12 at two ends of the film cutting platform 2 on the lower side of the transverse moving plate 6, two longitudinal guide shafts 62 are respectively and fixedly connected between the two transverse moving plates 6 along a longitudinal direction, a plurality of longitudinal guide sleeves 64 are fixedly connected on the lower side of the longitudinal moving plate 63, the longitudinal guide sleeves 64 are respectively and slidably connected with the two longitudinal guide shafts 62, the spindle 5 is rotatably connected with the longitudinal moving plate 63, a rotating motor 65 is fixedly connected with the longitudinal moving plate 63, and a motor shaft of the rotating motor 65 is fixedly connected with the upper end of the spindle 5. The transverse driving piece comprises two transverse motors 14, the two ends of the film cutting platform 2 of the machine frame 1 are respectively connected with transverse screw rods 13 in a transverse rotating mode, the lower side face of the transverse moving plate 6 is fixedly connected with transverse screw sleeves 66, the two transverse screw sleeves 66 are respectively connected to the two transverse screw rods 13 in a screwed mode, the two transverse motors 14 are fixedly connected to the machine frame 1, motor shafts of the two transverse motors 14 are respectively connected with the end portions of the two transverse screw rods 13 in a fixed mode, the longitudinal driving piece comprises a longitudinal motor 67, the two transverse moving plate 6 is further connected with longitudinal screw rods 68 in a longitudinal rotating mode, the lower side face of the longitudinal moving plate 63 is fixedly connected with longitudinal screw sleeves 69 in a screwed mode, the longitudinal screw sleeves 69 are connected to the longitudinal screw rods 68 in a screwed mode, the longitudinal motor 67 is fixedly connected to the transverse moving plate 6, and the motor shaft of the longitudinal motor 67 is fixedly connected with one end of the longitudinal screw rods 68.

Referring to fig. 11 and 12, the film cutting platform 2 includes a rectangular frame-shaped support frame 21 and a plurality of long support plates 22, the support frame 21 is horizontally and fixedly connected to the frame 1, a plurality of driving rods 23 are rotatably connected to the support frame 21, the length directions of the driving rods 23 are arranged along the transverse direction of the support frame 21, the driving rods 23 are arranged along the longitudinal direction of the support frame 21, the support plates 22 are fixedly connected to the driving rods 23 along the length directions, the upper sides of the support plates 22 are in the same horizontal plane when the support plates 22 swing to a horizontal state, a material guiding inclined plane 221 is arranged on one long edge of the lower side of the support plate 22, the material guiding inclined plane 221 is opposite to the upper sides of the adjacent support plates 22 when the support plates 22 swing to an inclined state, and a material discharging cylinder 24 capable of driving the driving rods 23 to synchronously rotate is further arranged on the frame 1. The lower side of the supporting frame 21 is longitudinally provided with a bar-shaped groove 211, one end of the driving rod 23 extends into the bar-shaped groove 211, a transmission gear 231 is fixedly connected to the extending end of the driving rod 23, the lower side of the supporting frame 21 is also longitudinally and slidably connected with a transmission rack 241, the transmission rack 241 is meshed with a plurality of transmission gears 231, and a piston rod of the blanking cylinder 24 is fixedly connected with the transmission rack 241. A plurality of air holes 222 are formed in the upper side face of the supporting plate 22 along the length direction, the driving rod 23 is tubular, a plurality of fixing columns 232 are fixedly connected to the outer wall of the driving rod 23 along the length direction, the lower end of each air hole 222 is a vertical section, the upper end of each air hole is an inclined section, the fixing columns 232 are fixedly connected in the vertical section of each air hole 222 in a plugging mode, through holes 233 which are used for communicating the air holes 222 with the inner holes of the driving rod 23 are formed in the fixing columns 232 along the axial direction, and the upper ends of the inclined sections are inclined towards one side, far away from the guide inclined plane 221, of the supporting plate 22.

As shown in fig. 13, the pulling mechanism 7 includes two clamping seats 71, the two clamping seats 71 are respectively located at two sides of the film cutting platform 2, the clamping seats 71 are all connected to the frame 1 in a sliding manner along the longitudinal direction of the film cutting platform 2, a power piece 72 capable of driving the clamping seats 71 to reciprocate is provided on the frame 1, two groups of tensioning assemblies 73 are respectively provided at two sides of the film cutting platform 2 on the frame 1, the tensioning assemblies 73 are located at one end close to the roll shaft 11, the two tensioning assemblies 73 at the same side are arranged in a longitudinal direction, each tensioning assembly 73 includes two tensioning wheels 731 sliding vertically and two tensioning springs 733 respectively acting on the two tensioning wheels 731, the two tensioning wheels 731 have a tendency to abut against and clamp the edge of the film under the action of the two tensioning springs 733, two clamping blocks 711 capable of clamping the edge part of the film between the two tensioning assemblies 73 when the clamping seats 71 are located between the two tensioning assemblies 73 are provided on the clamping seats 71, pushing pieces capable of separating the two tensioning wheels 731 far away from the roll shaft 11 are further provided on the clamping seats 71, and when the two tensioning wheels 731 can be separated from the tensioning wheels 731. The film winding drum sleeve is set on the roll shaft 11, two groups of tensioning components 73 on two sides of the film cutting platform 2 are respectively penetrated at two edges after one end of the film is pulled out, specifically, the film edge penetrates between two opposite tensioning wheels 731, the two tensioning wheels 731 can clamp the film under the action of the tensioning springs 733, the film edge part between the two groups of tensioning components 73 can be tightened, the clamping seat 71 is positioned between the two tensioning components 73 and can clamp the part, then the power piece 72 drives the clamping seat 71 to move towards the direction far away from the roll shaft 11, the pushing piece can jack a pair of tensioning wheels 731 far away from the roll shaft 11, the two tensioning wheels 731 are separated relatively, the clamping seat 71 can clamp the film to penetrate through the diameters of the two tensioning wheels 731, the two separated tensioning wheels 731 clamp the film again after the clamping seat 71 penetrates, therefore, in the moving process of the clamping seat 71, the film can be tensioned and in a tight state, the film can be covered on the film cutting platform 2 smoothly, the film cutting quality is improved, after the film is cut, the clamping seat 71 is reset to the direction far away from the roll shaft 11, the tensioning components 73 are arranged, and the phenomenon that the film is not smoothly clamped between the two tensioning components 73 is not pulled out is avoided.

Referring to fig. 14, 15, and 16, the clamping assembly further includes two clamping rods 734, the two clamping rods 734 are slidably connected to the frame 1 along a vertical direction, ends of the two clamping rods 734 are opposite, opposite ends of the two clamping rods 734 are fixedly connected to a U-shaped connecting frame 735, two tensioning wheels 731 are respectively rotatably connected to the two connecting frames 735 through pins, two tensioning springs 733 are respectively sleeved on the two clamping rods 734, upper ends of the tensioning springs 733 act on the frame 1, lower ends of the tensioning springs 733 act on the clamping rods 734, and the two opposite tensioning rods are coaxially arranged, so that the two tensioning wheels 731 can stably clamp the film. Both ends of round pin axle all overlap and are equipped with and are toper and have elastic damping fin 736, and the interior border of damping fin 736 supports and leans on link 735 medial surface, and the outward border all wraps up and has bordures 737 that rubber material made, bordure 737 supports and leans on the terminal surface of take-up pulley 731, has linked firmly rubber layer 732 on the round face of take-up pulley 731, and rubber layer 732 produces certain frictional force with the film, can drive take-up pulley 731 and rotate when consequently the film draws out, and damping fin 736 has elasticity, tensioning is between gyro wheel 717 and link 735, and its bordure 737 can produce frictional resistance to gyro wheel 717's rotation, consequently can be in the state of tightening after the film is drawn out to even cover is on cutting membrane platform 2, improves the cutting membrane quality. The pushing piece comprises two strip-shaped pushing plates 714, the two pushing plates 714 are horizontally and fixedly connected to the clamping seat 71, the longitudinal direction of the film cutting platform 2 is arranged in the length direction of the two pushing plates 714, the pushing plates 714 are vertically distributed, one ends of the pushing plates 714 far away from the roll shaft 11 are relatively close to each other and obliquely bent, pushing posts 738 are vertically arranged on the two tensioning rods far away from the roll shaft 11, shaft sleeves 739 are rotatably sleeved on the pushing posts 738, when the clamping seat 71 moves far away from the roll shaft 11, the pushing plates 714 can push the shaft sleeves 739 and separate the two tensioning wheels 731, when the clamping seat 71 moves far away from the roll shaft 11, one end of the pushing plate 714 which is inclined downwards can act on the shaft sleeves 739, and one end of the shaft sleeves 739 which is inclined along the pushing plate 714 rolls to the horizontal, so that the two tensioning wheels 731 are separated, when the shaft sleeves 739 are separated from the pushing plates 714, the films can be clamped again under the action of tensioning springs 733, and the structure enables the separation of the two tensioning wheels 731 to be free of extra power sources, so that cost is reduced, and the structure is more stable. The clamping seat 71 is U-shaped, and the notch of clamping seat 71 is towards cutting membrane platform 2, all has linked firmly solenoid valve 713 on clamping seat 71's the upside and the downside, and the valve rod of two solenoid valve 713 all stretches into clamping seat 71, two clamp blocks 711 link firmly the valve rod tip at two solenoid valve 713 respectively, frame 1 has all along vertical sliding connection in the both sides of cutting membrane platform 2 to remove seat 74, clamping seat 71 is along the horizontal sliding connection of cutting membrane platform 2 on removing seat 74, and when removing seat 74 to the roller 11 direction remove between two tensioning assembly 73, clamping seat 71 can lateral shifting and detain on the film border. The clamp splice 711 all adopts rubber materials to make, and clamp splice 711 all is rectangular form, and the longitudinal direction of clamp splice 711 along cutting the longitudinal setting of membrane platform 2, all has a plurality of strip protruding 712 on the opposite side of two clamp splices 711, and this a plurality of strip protruding 712 are arranged along clamp splice 711 length direction, two strip protruding 712 on the clamp splice 711 are one-to-one, and the transversal arc of strip protruding 712 of personally submitting. The upper side of the movable seat 74 is provided with a mounting groove 741, two sliding shafts 742 are fixedly connected in the mounting groove 741 along the transverse direction, two support columns 715 are vertically and fixedly connected on the lower side of the clamping seat 71, the lower ends of the two support columns 715 are fixedly connected with sliding sleeves 716, the two sliding sleeves 716 are respectively sleeved on the two sliding shafts 742 in a sliding manner, the sliding shafts 742 are also sleeved with return springs 743, one ends of the return springs 743 act on the walls of the mounting groove 741, the other ends act on the end surfaces of the sliding sleeves 716, and the clamping seat 71 can be close to the film cutting platform 2 and buckled on the edges of films under the action of the return springs 743. The frame 1 is also fixedly connected with avoidance guide rods 75 on two sides of the film cutting platform 2, the avoidance guide rods 75 are longitudinally arranged and are positioned on the outer side of a tensioning wheel 731 far away from a roll shaft 11, one end of each avoidance guide rod 75 far away from the roll shaft 11 is hinged with an avoidance push rod 751, a reset torsion spring is further arranged on each avoidance guide rod 75, one end of each reset torsion spring acts on each avoidance guide rod 75, the other end of each reset torsion spring acts on each avoidance push rod 751 inclines towards one side of the film cutting platform 2, rollers 717 are rotationally connected to the lower side surface of each clamping seat 71, when the clamping seats 71 are far away from the roll shaft 11, the rollers 717 can pass through the inner side of each avoidance guide rod 75 and push the corresponding avoidance push rod 751 outwards, when the clamping seats 71 are close to the roll shaft 11 and roll to the outer side of each avoidance guide rod 75 along the corresponding avoidance push rod 751, and when the rollers 717 are separated from the avoidance guide rods 75, the clamping seats 71 can be buckled on the edges of films under the action of reset springs 743, when the clamping seat 71 clamps a film and moves in the direction away from the roll shaft 11, the roller 717 can pass through the inner side of the avoidance guide rod 75, then the roller 717 can push the inclined avoidance push rod 751 outwards, so that the clamping seat 71 cannot transversely move, when the clamping seat 71 is reset and moves, the inclined avoidance push rod 751 is positioned on the running path of the roller 717, so that the roller 717 can roll to the avoidance guide rod 75 along the avoidance push rod 751, at the moment, the clamping seat 71 can compress the return spring 743 to move away from the film cutting platform 2, namely, the clamping seat can move from the outer side of the avoidance guide rod 75 so as to bypass the tensioning assembly 73, when the clamping seat 71 moves between the two tensioning assemblies 73, the roller 717 is separated from the avoidance guide rod 75 and moves close to the film cutting platform 2 under the action of the return spring 743 so as to be buckled on the edge of the tensioned film, this structure also makes the movement of the clamping seat 71 unnecessary with an additional power source, thereby reducing the cost and making the operation more stable. The frame 1 is fixedly connected with two sliding rails 15 along the longitudinal direction on two sides of the film cutting platform 2, the lower side surface of the moving seat 74 is fixedly connected with two sliding blocks 744, the two sliding blocks 744 are respectively and slidably connected with the two sliding rails 15, the side part of one sliding rail 15 is fixedly connected with a driving rack 723 along the longitudinal direction, the power part 72 comprises a power motor 721 fixedly connected with the moving seat 74, a motor shaft of the power motor 721 is vertically downward, a driving gear 722 is fixedly connected with a motor shaft of the power motor 721, and the driving gear 722 is meshed with the driving rack 723.

Claims

1. The film cutting equipment comprises a frame (1), a film cutting platform (2) horizontally fixed on the frame (1) and a roll shaft (11) for positioning a film winding drum, wherein the roll shaft (11) is positioned on one side of the film cutting platform (2), the film cutting platform (2) is rectangular, a pulling mechanism (7) which can pull out a film on the roll shaft (11) and cover the film cutting platform (2) is arranged on the film cutting platform (2), a main shaft (5) is rotationally connected on the frame (1), the main shaft (5) can move along the transverse direction and the longitudinal direction of the film cutting platform (2), the lower end of the main shaft (5) is horizontally connected with a strip-shaped knife rest (3), the knife rest (3) is positioned above the film cutting platform (2), a plurality of film cutting knives (32) are connected on the knife rest (3) in a sliding manner along the length direction, the film cutting knives (32) are uniformly arranged along the length direction of the knife rest (3), the knife edges of the film cutting knives (32) can lean against the film cutting platform (2) and the main shaft (2) can be driven to move along the transverse direction and the longitudinal direction of the film cutting platform (2) respectively, an adjusting mechanism (4) capable of synchronously adjusting the interval between two adjacent film cutting knives (32) when the main shaft (5) rotates is arranged between the frame (1) and the knife rest (3); the pulling mechanism (7) comprises two clamping seats (71), the two clamping seats (71) are respectively positioned at two sides of the film cutting platform (2), the clamping seats (71) are longitudinally and slidably connected to the frame (1) along the film cutting platform (2), and a power piece (72) capable of driving the clamping seats (71) to reciprocate is arranged on the frame (1).

2. The film cutting equipment according to claim 1, wherein the knife rest (3) comprises a knife frame (31) which is strip-shaped and horizontally arranged, the knife frame (31) is internally provided with a mounting cavity (311), the film cutting knives (32) comprise knife bars (321), the lower ends of the knife bars (321) are rotationally connected with knife discs (322), the upper ends of the knife bars (321) are fixedly connected with adjusting blocks (323), the adjusting blocks (323) are all slidingly connected in the mounting cavity (311) along the length direction of the knife frame (31), the lower ends of the knife bars (321) extend out of the knife frame (31), and the outer edges of the knife discs (322) can be abutted against the upper side surface of the film cutting platform (2).

3. The film cutting equipment according to claim 2, wherein the adjusting mechanism (4) comprises a plurality of connecting rods (41), two connecting rods (41) are hinged on two opposite sides of each adjusting block (323) through connecting pins (42), the two connecting rods (41) on the same adjusting block (323) are arranged in a crossed mode, the connecting pins (42) are located in the middle of the connecting rods (41), the end portions of the connecting rods (41) on one side of each adjusting block (323) are hinged with the end portions of the connecting rods (41) on the other side of the adjacent adjusting block (323) through connecting columns (43), the adjusting blocks (323) located in the middle are fixedly connected with the cutter frame (31), transmission rods (44) are fixedly connected to the adjusting blocks (323) located at two ends, the transmission rods (44) upwards extend out of the cutter frame (31), and guide rods (46) capable of driving the adjusting blocks (323) to slide through the transmission rods (44) when the spindle (5) rotates are arranged above the film cutting platform (2).

4. A film cutting device according to claim 3, wherein the two guide rods (46) are horizontally and fixedly connected above the film cutting platform (2), the guide rods (46) are arc-shaped, one ends of the guide rods (46) are located at the longitudinal middle part of the film cutting platform (2) and close to the long edge of the film cutting platform (2), the other ends of the guide rods are located at the transverse middle part of the film cutting platform (2) and close to the short edge of the film cutting platform (2), the two guide rods (46) are symmetrically arranged relative to the vertical center line center of the film cutting platform (2), the upper ends of the transmission rods (44) are fixedly connected with U-shaped guide frames (45), the openings of the guide frames (45) face upwards, and lifting pieces capable of driving the cutter frames (31) to move upwards and enabling the guide frames (45) to be buckled on the guide rods (46) are arranged on the main shafts (5).

5. The film cutting device according to claim 4, wherein the lifting member comprises two micro-cylinders (512), the lower end of the main shaft (5) is fixedly connected with a supporting plate (51), the knife rest (3) further comprises two long connecting plates (33) and a connecting plate (34) fixedly connected between the ends of the two connecting plates (33), a plurality of guide posts (331) are vertically and fixedly connected on the lower side surface of the supporting plate (51), a plurality of connecting feet (341) are vertically and fixedly connected on the upper side surface of the connecting plate (34), connecting blocks (342) are respectively arranged on the side surfaces of the connecting feet (341), the connecting blocks (342) are respectively and slidably connected in the guide posts (511), the piston rods of the two micro-cylinders (512) are respectively and fixedly connected in the two guide posts (511), the upper side surfaces of the outer ends of the connecting plates (33) are respectively and vertically and fixedly connected with two guide posts (331), the two ends of the knife rest (31) are fixedly connected with two connecting sleeves (312), the upper ends of the guide posts (312) are respectively and the upper ends of the guide posts (331) are pressed against the upper ends of the connecting posts (332), under the action of the compression spring (332), when the tool rest (3) descends, the cutter head (322) can be abutted against the upper side surface of the film cutting platform (2).

6. The film cutting device according to claim 3, 4 or 5, further comprising a longitudinal moving plate (63) and two transverse moving plates (6), wherein the two ends of the frame (1) on the film cutting platform (2) are respectively and fixedly connected with two transverse guiding shafts (12) along the transverse direction, the lower side surfaces of the transverse moving plates (6) are respectively and fixedly connected with a plurality of transverse guiding sleeves (61), the transverse guiding sleeves (61) on the two transverse moving plates (6) are respectively and slidably sleeved on the transverse guiding shafts (12) on the two ends of the film cutting platform (2), the two longitudinal guiding shafts (62) are respectively and fixedly connected between the two transverse moving plates (6) along the longitudinal direction, the lower side surfaces of the longitudinal moving plates (63) are respectively and fixedly connected with a plurality of longitudinal guiding sleeves (64), the main shaft (5) is rotatably connected with the longitudinal moving plates (63), the longitudinal moving plates (63) are respectively and fixedly connected with a rotating motor (65), and the motor shaft (65) is fixedly connected with the main shaft (5).

7. The film cutting device according to claim 6, wherein the transverse driving member comprises two transverse motors (14), the two ends of the frame (1) of the film cutting platform (2) are respectively connected with transverse screws (13) in a transverse rotating manner, the lower side surface of the transverse moving plate (6) is fixedly connected with transverse threaded sleeves (66), the two transverse threaded sleeves (66) are respectively connected with the two transverse screws (13) in a threaded manner, the two transverse motors (14) are fixedly connected with the frame (1), motor shafts of the two transverse motors (14) are respectively connected with the end parts of the two transverse screws (13), the longitudinal driving member comprises a longitudinal motor (67), the two transverse moving plates (6) are further connected with longitudinal screws (68) in a longitudinal rotating manner, the lower side surface of the longitudinal moving plate (63) is fixedly connected with longitudinal threaded sleeves (69), the longitudinal threaded sleeves (69) are respectively connected with the longitudinal screws (68) in a threaded manner, the longitudinal motor (67) is fixedly connected with the transverse moving plate (6), and the motor shafts of the longitudinal motor (67) are respectively connected with one end of the longitudinal screw (68).

8. The film cutting device according to claim 2, 3 or 4, wherein the film cutting platform (2) comprises a rectangular frame-shaped supporting frame (21) and a plurality of long supporting plates (22), the supporting frame (21) is horizontally and fixedly connected to the frame (1), a plurality of driving rods (23) are rotatably connected to the supporting frame (21), the length directions of the driving rods (23) are transversely arranged along the supporting frame (21), the driving rods (23) are longitudinally arranged along the supporting frame (21), the supporting plates (22) are fixedly connected to the driving rods (23) along the length directions, the upper sides of the supporting plates (22) are in the same horizontal plane when the supporting plates (22) are swung to a horizontal state, one long edge of the lower side of each supporting plate (22) is provided with a material guiding inclined surface (221), the material guiding inclined surface (221) is opposite to the upper side of the adjacent supporting plate (22) when the supporting plates (22) are swung to the inclined state, and the frame (1) is further provided with a material discharging (24) capable of driving the driving rods (23) to synchronously rotate.

9. The film cutting device according to claim 8, wherein a bar-shaped groove (211) is longitudinally formed in the lower side surface of the supporting frame (21), one end of the driving rod (23) extends into the bar-shaped groove (211), a transmission gear (231) is fixedly connected to the extending end of the driving rod (23), a transmission rack (241) is further longitudinally and slidably connected to the lower side surface of the supporting frame (21), the transmission rack (241) is meshed with a plurality of transmission gears (231), and a piston rod of the blanking cylinder (24) is fixedly connected with the transmission rack (241).

10. The film cutting device according to claim 8, wherein a plurality of air holes (222) are formed in the upper side surface of the supporting plate (22) along the length direction, the driving rod (23) is tubular, a plurality of fixing columns (232) are formed in the outer wall of the driving rod (23) along the length direction, the lower end of each air hole (222) is a vertical section, the upper end of each fixing column (232) is an inclined section, the fixing columns (232) are fixedly connected in the vertical section of each air hole (222) in a plugging manner, through holes (233) for communicating the air holes (222) with the inner holes of the driving rod (23) are formed in the fixing columns (232) along the axial direction, and the upper ends of the inclined sections are inclined towards one side, far away from the guide inclined plane (221), of the supporting plate (22).