CN209812454U - Rotatable tool rest for display screen brightness enhancement film cutting die - Google Patents

Abstract

The utility model relates to a cutting die technical field, and a rotatable knife rest for display screen membrane that adds lustre to cutting die is disclosed, including cutting the platform, the top that cuts the platform is equipped with the U-shaped fixed plate, the inside of U-shaped fixed plate is equipped with the sword that cuts of vertical setting, the equal fixedly connected with T shape slider in both ends comes from the front and back of cutting the sword, relative two lateral walls of U-shaped fixed plate all seted up with T shape slider assorted T shape spout, the bottom plate of U-shaped fixed plate still is equipped with elevating system and is connected with the sword that cuts through elevating system, the preceding lateral wall fixedly connected with connecting rod of U-shaped fixed plate, the fixed cup joint of rod wall of connecting rod has the ring, the lateral wall lower extreme fixedly connected with bull stick of ring, the lower extreme of bull stick runs through. The utility model discloses make the knife rest have rotation function to can adjust the cutting angle who cuts the sword, carry out different angles to the membrane that adds lustre to and cut, the people of being convenient for use.

Description

Rotatable tool rest for display screen brightness enhancement film cutting die

Technical Field

The utility model relates to a cutting die technical field especially relates to a rotatable knife rest is used to display screen membrane that adds lustre to cutting die.

Background

The brightness enhancement film, also called BEF, is an optical film formed by precisely forming a layer of uniform prism pattern on the surface of PET having excellent transparency by using acrylic resin, and assembling it in front of a backlight to concentrate light emitted from a light source toward a user of a display device, thereby improving the front luminance by about 100[% ] (in the case of two orthogonal sheets, there is a mold standing BEF), and light not used outside the viewing angle is recycled by the light re-reflection effect and is concentrated toward the user at an optimum angle.

At present, the membrane that adds lustre to needs to cut with cutting die when using, but among the prior art, fixed during the sword that cuts among the cutting die, unable rotation can not adjust the angle of cutting to lead to the membrane that adds lustre to can only cut perpendicularly, use inconvenient, consequently propose a rotatable knife rest for membrane that adds lustre to cutting die of display screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art cutting die during the sword fixed, unable rotation can not adjust the cutting angle in the cutting die to lead to the membrane of adding lustre to can only cut perpendicularly, use inconvenient problem, and the rotatable knife rest is used to the display screen membrane of adding lustre to cutting die who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotatable knife rest for a cutting die of a display screen brightness enhancement film comprises a cutting table, wherein a U-shaped fixed plate is arranged above the cutting table, a cutting knife which is longitudinally arranged is arranged inside the U-shaped fixed plate, T-shaped sliders are fixedly connected to the front end and the rear end of the cutting knife, T-shaped chutes matched with the T-shaped sliders are formed in two opposite side walls of the U-shaped fixed plate, a lifting mechanism is further arranged on a bottom plate of the U-shaped fixed plate and connected with the cutting knife through the lifting mechanism, a connecting rod is fixedly connected to the front side wall of the U-shaped fixed plate, a ring is fixedly sleeved on the rod wall of the connecting rod, a rotating rod is fixedly connected to the lower end of the side wall of the ring, a worm gear penetrates through the cutting table and is fixedly connected to the lower end of the rotating rod, the rod wall of the rotating rod is rotatably connected with the cutting table through a first rolling, the output of rotating electrical machines rotates through the shaft coupling and is connected with first pivot, the fixed cover of the axle wall of first pivot has connect the worm, the worm is connected with the worm wheel meshing, the fixed plate that two symmetries of fixedly connected with set up, two on the upper end right side of cutting the platform the equal fixedly connected with fixed block of two relative lateral walls of fixed plate and two relative lateral walls of U-shaped fixed plate, every group is two all be equipped with the guide bar of vertical setting between the fixed block, the pole wall of guide bar rotates through third antifriction bearing and is connected with the leading wheel that two symmetries set up, the both ends of guide bar all are connected with two fixed blocks through adjustment mechanism.

Preferably, elevating system includes that vertical fixed setting is cutting the U-shaped long slab at sword left side middle part, one of them inside wall of U-shaped long slab is fixed and is equipped with the rack, the bottom plate of U-shaped fixed plate seted up with U-shaped long slab assorted spout, the fixed elevator motor who corresponds with U-shaped long slab position that is equipped with of left side wall of U-shaped fixed plate, elevator motor's output is rotated through the second shaft coupling and is connected with the second pivot, elevator motor's one end is kept away from in the second pivot extends to the inside and the fixedly connected with gear of U-shaped long slab, gear and rack toothing, and the second pivot is passed through second antifriction bearing and is connected with the rotation of U-shaped fixed plate.

Preferably, adjustment mechanism is including fixed setting the stopper at the guide bar both ends, two the spacing logical groove that matches with the stopper is all seted up to two lateral walls that the fixed block is relative, two symmetries of upper end fixedly connected with of stopper set up the dead lever, two the common fixedly connected with diaphragm in upper end of dead lever, two the screw hole that corresponds with two spacing logical groove positions is all seted up to the upper end of diaphragm, two the equal threaded connection in inside of screw hole has the bolt, two the lower extreme of bolt all rotates through fourth antifriction bearing and is connected with clamp plate, two the equal fixedly connected with spring of lower extreme of clamp plate, the lower extreme of spring respectively with two stopper fixed connection.

Preferably, the upper end of the bolt is fixedly connected with a knob, and the surface of the knob is provided with anti-skid grains.

Preferably, the lower extreme rear side fixedly connected with of U-shaped fixed plate two the universal ball that the symmetry set up, two the distance of universal ball and bull stick equals, cut the upper end rear side of platform and open and be equipped with universal ball assorted arc spout.

Preferably, the upper end of the cutting table is fixedly connected with a transversely arranged base plate, and the base plate is arranged between the two fixing plates.

Compared with the prior art, the utility model provides a but display screen membrane that adds lustre to cutting die uses rotary knife rest possesses following beneficial effect:

1. this display screen membrane that adds lustre to cutting die is with rotatable knife rest, it is rotatory to drive first pivot through the rotating electrical machines that is equipped with, first pivot can drive the worm rotatory, the worm can drive the worm wheel rotatory, the worm wheel can drive the bull stick rotatory, the bull stick can drive the ring rotatory, the ring can drive the connecting rod rotatory, the connecting rod can drive the U-shaped fixed plate rotatory, the U-shaped fixed plate can drive through two T shape sliders and cut the sword rotatory, thereby adjust the angle of cutting the sword, it is rotatory to drive the second pivot through the elevator motor that is equipped with, the second pivot can drive the gear rotatory, the gear passes through the rack can U-shaped long slab downstream, the U-shaped long slab can drive and cut sword downstream, thereby can carry out cutting of different angles to the membrane that adds lustre to.

2. This display screen membrane that adds lustre to cutting die is with rotatable knife rest, it is rotatory to drive the bolt through the knob that is equipped with, the bolt rotation can drive the clamp plate downstream, the clamp plate can exert pressure to the spring, the spring can exert pressure to the stopper, the stopper can exert pressure to the leading wheel through the guide bar, thereby can adjust the pressure of leading wheel to the membrane that adds lustre to, it is more level and more smooth when being convenient for make the membrane that adds lustre to remove, be convenient for protect the platform that cuts through the backing plate that is equipped with, avoid cutting the sword and cause the damage to cutting the platform.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the knife rest have rotation function to can adjust the cutting angle who cuts the sword, carry out different angles to the membrane that adds lustre to and cut, the people of being convenient for use.

Drawings

Fig. 1 is a schematic view of a overlooking structure of a rotatable tool rest for a bright enhancement film cutting die of a display screen according to the present invention;

FIG. 2 is a schematic front view of the structure of FIG. 1;

fig. 3 is a schematic sectional view in the direction of a-a in fig. 1.

In the figure: 1 cutting table, 2U-shaped fixing plate, 3 cutting knife, 4T-shaped sliding block, 5 connecting rod, 6 circular ring, 7 worm wheel, 8 rotating motor, 9 worm, 10 fixing plate, 11 fixing block, 12 guide rod, 13 guide wheel, 14U-shaped long plate, 15 lifting motor, 16 gear, 17 limiting block, 18 fixing rod, 19 transverse plate, 20 bolt, 21 pressing plate, 22 spring, 23 knob and 24 backing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a rotatable knife rest for a cutting die of a brightness enhancement film of a display screen, comprising a cutting table 1, a U-shaped fixing plate 2 is arranged above the cutting table 1, a cutting knife 3 longitudinally arranged is arranged inside the U-shaped fixing plate 2, a T-shaped slider 4 is fixedly connected to both front and rear ends of the cutting knife 3, T-shaped chutes matched with the T-shaped slider 4 are respectively arranged on two opposite side walls of the U-shaped fixing plate 2, a lifting mechanism is further arranged on a bottom plate of the U-shaped fixing plate 2 and connected with the cutting knife 3 through the lifting mechanism, a connecting rod 5 is fixedly connected to the front side wall of the U-shaped fixing plate 2, a ring 6 is fixedly sleeved on a rod wall of the connecting rod 5, a rotating rod is fixedly connected to the lower end of the side wall of the ring 6, the lower end of the rotating rod penetrates through the cutting table 1 and is fixedly connected with a worm wheel 7, the rod wall of the rotating rod is rotatably, the output of rotating electrical machines 8 rotates through the shaft coupling and is connected with first pivot, the fixed worm 9 that has cup jointed of axle wall of first pivot, worm 9 is connected with the meshing of worm wheel 7, the fixed plate 10 that two symmetries of fixedly connected with set up is still gone back on the upper end right side of cutting platform 1, two relative lateral walls of fixed plate 10 and two equal fixedly connected with fixed blocks 11 of 2 relative lateral walls of U-shaped fixed plate, all be equipped with the guide bar 12 of vertical setting between two fixed blocks 11 of every group, the pole wall of guide bar 12 rotates through third antifriction bearing and is connected with the leading wheel 13 that two symmetries set up, the both ends of guide bar 12 all are connected with two fixed blocks 11 through.

Elevating system includes vertical fixed setting at the U-shaped long slab 14 who cuts 3 left sides middle parts of sword, one of them inside wall of U-shaped long slab 14 is fixed and is equipped with the rack, the bottom plate of U-shaped fixed plate 2 seted up with the long slab 14 assorted spout of U-shaped, the fixed elevator motor 15 that corresponds with the long slab 14 position of U-shaped that is equipped with of left side wall of U-shaped fixed plate 2, elevator motor 15's output is rotated through the second shaft coupling and is connected with the second pivot, the one end that elevator motor 15 was kept away from in the second pivot extends to the inside and the fixedly connected with gear 16 of U-shaped long slab 14, gear 16 and rack toothing, and the second pivot is passed through second antifriction bearing and is connected with the rotation of U-shaped fixed plate 2, can accomplish to the.

Adjustment mechanism is including fixed stopper 17 that sets up at guide bar 12 both ends, two relative lateral walls of two fixed blocks 11 all offer with the spacing logical groove of stopper 17 assorted, two symmetries of upper end fixedly connected with of stopper 17 set up dead lever 18, the common fixedly connected with diaphragm 19 in upper end of two dead levers 18, the screw hole that corresponds with two spacing logical groove positions is all offered to the upper end of two diaphragm 19, the equal threaded connection in inside of two screw holes has bolt 20, two bolt 20's lower extreme all is connected with clamp plate 21 through fourth antifriction bearing rotation, the equal fixedly connected with spring 22 of lower extreme of two clamp plates 21, spring 22's lower extreme respectively with two stopper 17 fixed connection, can adjust the pressure of leading wheel 13 to the membrane that adds lustre, make the membrane that adds lustre to remove more stably.

The upper end of the bolt 20 is fixedly connected with a knob 23, and anti-skid grains are arranged on the surface of the knob 23, so that people can rotate the bolt 20 conveniently.

The universal ball that two symmetries of lower extreme rear side fixedly connected with of U-shaped fixed plate 2 set up, and two universal balls equal with the distance of bull stick, cut the upper end rear side of platform 1 open be equipped with universal ball assorted arc spout, more stable when can making U-shaped fixed plate 2 rotatory.

The backing plate 24 that the upper end fixedly connected with of cutting platform 1 transversely set up, backing plate 24 lie in two fixed plates 10 between set up, are convenient for protect cutting platform 1, avoid cutting sword 3 to cause the damage to cutting platform 1.

In the utility model, when in use, the first rotating shaft is driven to rotate by the rotating motor 8, the worm 9 is driven to rotate by the first rotating shaft, the worm wheel 7 is driven to rotate by the worm 9, the rotating rod 7 is driven to rotate, the rotating rod is driven to rotate by the rotating ring 6, the connecting rod 5 is driven to rotate by the rotating ring 6, the U-shaped fixing plate 2 is driven to rotate by the connecting rod 5, the U-shaped fixing plate 2 drives the cutting knife 3 to rotate by the two T-shaped sliders 4, so as to adjust the angle of the cutting knife 3, the second rotating shaft is driven to rotate by the lifting motor 15, the gear 16 is driven to rotate by the second rotating shaft, the gear 16 moves downwards by the rack U-shaped long plate 14, the U-shaped long plate 14 drives the cutting knife 3 to move downwards, so as to cut the brightness enhancement film at different angles, the bolt 20 is driven to rotate by the knob 23, the bolt 20 rotates to drive the pressing, spring 22 exerts pressure to stopper 17, and stopper 17 can exert pressure to leading wheel 13 through guide bar 12 to adjust leading wheel 13 and to the pressure of membrane that adds lustre to, more level and more smooth when being convenient for make the membrane that adds lustre to remove, be convenient for protect cutting platform 1 through the backing plate 24 that is equipped with, avoid cutting sword 3 to cause the damage to cutting platform 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A rotatable knife rest for a cutting die of a display screen brightness enhancement film comprises a cutting table (1) and is characterized in that a U-shaped fixing plate (2) is arranged above the cutting table (1), a cutting knife (3) is longitudinally arranged inside the U-shaped fixing plate (2), T-shaped sliding blocks (4) are fixedly connected to the front end and the rear end of the cutting knife (3), T-shaped sliding grooves matched with the T-shaped sliding blocks (4) are formed in two opposite side walls of the U-shaped fixing plate (2), a bottom plate of the U-shaped fixing plate (2) is further provided with a lifting mechanism and is connected with the cutting knife (3) through the lifting mechanism, a connecting rod (5) is fixedly connected to the front side wall of the U-shaped fixing plate (2), a ring (6) is fixedly sleeved on the rod wall of the connecting rod (5), a rotating rod is fixedly connected to the lower end of the side wall of the ring (6), and a worm wheel (7) is fixedly connected to the lower end of the rotating rod and penetrates, and the rod wall of the rotating rod is rotatably connected with the cutting table (1) through a first rolling bearing, the lower end of the cutting table (1) is fixedly connected with a rotating motor (8), the output end of the rotating motor (8) is rotatably connected with a first rotating shaft through a coupler, the shaft wall of the first rotating shaft is fixedly sleeved with a worm (9), the worm (9) is meshed with a worm wheel (7) and is connected with two symmetrically arranged fixing plates (10), two opposite side walls of the fixing plates (10) and two opposite side walls of the U-shaped fixing plate (2) are fixedly connected with fixing blocks (11), a guide rod (12) which is longitudinally arranged is arranged between the two fixing blocks (11) in each group, and the rod wall of the guide rod (12) is rotatably connected with two guide wheels (13) which are symmetrically arranged through a third rolling bearing, and two ends of the guide rod (12) are connected with the two fixed blocks (11) through adjusting mechanisms.

2. The rotatable knife rest for the display screen brightness enhancement film cutting die according to claim 1, it is characterized in that the lifting mechanism comprises a U-shaped long plate (14) which is vertically and fixedly arranged at the middle part of the left side of the cutting knife (3), one inner side wall of the U-shaped long plate (14) is fixedly provided with a rack, a bottom plate of the U-shaped fixed plate (2) is provided with a sliding chute matched with the U-shaped long plate (14), a lifting motor (15) corresponding to the U-shaped long plate (14) is fixedly arranged on the left side wall of the U-shaped fixed plate (2), the output end of the lifting motor (15) is rotationally connected with a second rotating shaft through a second coupling, one end of the second rotating shaft, which is far away from the lifting motor (15), extends into the U-shaped long plate (14) and is fixedly connected with a gear (16), the gear (16) is meshed with the rack, and the second rotating shaft is rotatably connected with the U-shaped fixing plate (2) through a second rolling bearing.

3. The rotatable knife rest for the cutting die of the brightness enhancement film of the display screen according to claim 1, wherein the adjusting mechanism comprises limiting blocks (17) fixedly arranged at two ends of a guide rod (12), two opposite side walls of the two fixing blocks (11) are respectively provided with a limiting through groove matched with the limiting blocks (17), the upper end of each limiting block (17) is fixedly connected with two symmetrically arranged fixing rods (18), the upper ends of the two fixing rods (18) are jointly and fixedly connected with a transverse plate (19), the upper ends of the two transverse plates (19) are respectively provided with a threaded hole corresponding to the two limiting through grooves, the insides of the two threaded holes are respectively in threaded connection with a bolt (20), the lower ends of the two bolts (20) are respectively rotatably connected with a pressing plate (21) through a fourth rolling bearing, and the lower ends of the two pressing plates (21) are respectively and fixedly connected with a spring, the lower ends of the springs (22) are fixedly connected with the two limiting blocks (17) respectively.

4. The rotatable tool rest for the display screen brightness enhancement film cutting die according to claim 3, wherein a knob (23) is fixedly connected to the upper end of the bolt (20), and anti-skid grains are arranged on the surface of the knob (23).

5. The rotatable tool rest for the display screen brightness enhancement film cutting die according to claim 1, wherein two symmetrically arranged universal balls are fixedly connected to the rear side of the lower end of the U-shaped fixing plate (2), the distances between the two universal balls and the rotating rod are equal, and an arc-shaped sliding groove matched with the universal balls is formed in the rear side of the upper end of the cutting table (1).

6. The rotatable tool rest for the cutting die of the brightness enhancement film of the display screen is characterized in that a transversely arranged backing plate (24) is fixedly connected to the upper end of the cutting table (1), and the backing plate (24) is arranged between two fixing plates (10).