CN212126947U

CN212126947U - Film splitter loading attachment

Info

Publication number: CN212126947U
Application number: CN202020629682.3U
Authority: CN
Inventors: 蹇刚; 秦家发; 王�忠
Original assignee: Chongqing Hetai Runjia Co ltd
Current assignee: Chongqing Hetai Runjia Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-11
Anticipated expiration: 2030-04-23

Abstract

The utility model provides a feeding device of a film splitting machine, which relates to the field of film splitting machines and comprises a base, a discharging mechanism and a feeding mechanism; the discharging mechanism comprises a first screw rod, a first sliding rail and a rotating motor, the first screw rod is rotationally connected to the base, two nuts are connected to the first screw rod in a threaded mode, the rotating directions of the two nuts are opposite, and the rotating motor is fixedly connected to the two nuts respectively; the feeding mechanism comprises a second lead screw, a second slide rail and a first clamping arm, the second lead screw is perpendicular to the first lead screw, a third nut is in threaded connection with the second lead screw, the clamping arms are symmetrically arranged on two sides of the second lead screw, a clamping jaw is fixedly connected to the end, close to the discharging mechanism, of each clamping arm, and the other end of each clamping arm is fixedly connected to the third nut; the slide rail is used for limiting the nut, the central lines of the clamping jaws are respectively positioned on the same horizontal plane with the central lines of the rotating motors and are parallel to each other, and the clamping jaws are positioned between the two rotating motors. The utility model provides an adopt artifical material loading work efficiency low among the prior art, technical problem that workman intensity of labour is big.

Description

Film splitter loading attachment

Technical Field

The utility model belongs to the technical field of the film splitter technique and specifically relates to a film splitter loading attachment is related to.

Background

The film splitter can be used for splitting: the film cutting machine can cut polyester film, aluminized film, BOPP, LDPE, HDPE, LLDPE, PP and other films, also can cut mica tape and PE into different sizes, and is widely applied to packaging and other film-covering industries. The film splitting machine consists of an unwinding mechanism, a cutting mechanism, a winding mechanism, functional rollers and a tension control deviation rectifying control and detection device. The working principle is as follows: the film coil discharged from the unwinding mechanism passes through the flattening roller, the tension detection roller, the energizing roller and the deviation correction system and enters the cutting mechanism, and the raw material is respectively wound into film rolls meeting the standard by the winding mechanism after being cut. In prior art, the rotary shaft of unwinding mechanism is pulled down earlier to the material loading of film coil stock mostly to the manual work, then the film coil stock is established to the cover, installs the rotation axis that the cover has the film coil stock at last and then accomplishes the material loading to the film coil stock, adopts above-mentioned scheme material loading, and inefficiency has just increaseed workman's the amount of labour.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a film splitter loading attachment, when it has solved the artifical material loading of adoption among the prior art, inefficiency and the big problem of workman's amount of labour.

According to the embodiment of the utility model, the feeding device of the film splitting machine comprises a base, a discharging mechanism and a feeding mechanism; the discharging mechanism comprises a first slide rail, a rotating motor and a first screw rod driven by the first motor to rotate, the first screw rod is rotationally connected to the base, the first slide rail is parallel to the first screw rod and is fixedly connected to the base, a first nut and a second nut are connected to the first screw rod in a threaded mode, the rotating directions of the two nuts are opposite, the first nut and the second nut are connected to the first slide rail in a sliding mode, and the two rotating motors are fixedly connected to the first nut and the second nut respectively; the feeding mechanism comprises a second slide rail, a first clamping arm and a second screw rod driven by a second motor to rotate, the second screw rod is perpendicular to the first screw rod, the second slide rail is parallel to the second screw rod, a third nut is connected to the second screw rod in a threaded manner and is connected to the second slide rail in a sliding manner, two clamping arms are arranged on two sides of the second screw rod and are symmetrically arranged on two sides of the second screw rod, one end of each clamping arm is close to the discharging mechanism, the end part of each clamping arm is fixedly connected with a clamping jaw, and the other end of each clamping arm is fixedly connected to the third nut; the center line of each clamping jaw is located on the same horizontal plane with the center line of each rotating motor respectively and is parallel to each other, and the two clamping jaws are located between the two rotating motors.

The technical principle of the utility model is that: when the film is fed, the first clamping arms clamp two ends of a scroll of the film coil, the second lead screw rotates forwards under the action of the first motor, the third nut is connected to the second slide rail in a sliding manner, the second lead screw rotates to drive the third nut to move linearly on the second lead screw and approach the rotating motor, and the third nut drives the film coil clamped by the first clamping arms to move; when the reel of the film coil stock moves to be coaxial with the rotating motor, the film coil stock stops moving; at the moment, the first screw rod rotates forwards under the action of the second motor, and the first nut and the second nut are connected to the first slide rail in a sliding manner, so that the rotary motors positioned on the first nut and the second nut are driven to move in opposite directions until the rotary motors axially clamp two ends of a reel of the film coil stock; and finally, driving the second screw rod to rotate reversely by a second motor, driving the first clamping arm to move on the second screw rod and keep away from the rotating motor by a third nut until the first clamping arm returns to the initial position, and discharging the film coiled material under the driving of the rotating motor. After the film coil stock is discharged, the first motor drives the first screw rod to rotate reversely, the first nut and the second nut move on the first screw rod in a deviating way so as to drive the rotating motor to move in a deviating way, and when the rotating motor is far away from and loses the clamping effect on the scroll of the film coil stock, the scroll of the film coil stock falls under the action of self weight; the motors are externally connected with a PLC controller and are logically controlled by the PLC controller.

Compared with the prior art, the utility model discloses following beneficial effect has: the first slide rail and the second slide rail are arranged, the first nut and the second nut are connected to the first slide rail in a sliding mode, the third nut is connected to the second slide rail in a sliding mode, and the first nut, the second nut and the third nut are guided and limited respectively, so that the nuts cannot rotate around the circumferential direction of the screw rod; the first motor is arranged to drive the first screw rod to rotate, the first nut and the second nut with different rotation directions are in threaded connection with the first screw rod, and the two rotating motors are respectively fixed on the first nut and the second nut, so that the function of axially clamping a scroll of a film coil stock and further driving the scroll to rotate to complete discharging of the film coil stock is realized; a second motor is arranged to drive a second screw rod to rotate, a third nut is connected to the screw rod in a threaded mode, the first clamping arm is fixedly connected to the third nut, and the feeding function of the film coil stock is achieved through cooperation with the first screw rod; above-mentioned scheme has reduced the required time of film material loading, has improved the work efficiency of film coil stock and has reduced workman's amount of labour.

Furthermore, the feeding mechanism further comprises a feeding disc and a second clamping arm, the bottom of the feeding disc is rotatably connected to the base, the second lead screw is rotatably connected to the feeding disc, a fourth nut is connected to the second lead screw in a threaded manner, the fourth nut is slidably connected to the second sliding rail, the fourth nut and the third nut are opposite in rotating direction, the second clamping arm is fixedly connected to the fourth nut, and the second clamping arm and the first clamping arm are identical in structure and are symmetrically arranged on the second lead screw.

Furthermore, the clamping jaw is C-shaped, and a guide oblique angle is arranged at the opening of the clamping jaw; the opening of the clamping jaw faces to the first screw rod.

Furthermore, a collecting box is arranged on the base and is positioned under the rotating motor.

Drawings

Fig. 1 is a schematic structural view of a feeding device of a film splitter according to an embodiment of the present invention;

FIG. 2 is a top view of a film slitting machine according to an embodiment of the present invention;

fig. 3 is a sectional view taken along direction a of the embodiment of the present invention;

fig. 4 is a C-direction sectional view of the embodiment of the present invention.

In the above drawings: 1. a base; 2. a mounting seat; 3. a first lead screw; 4. a rotating electric machine; 5. a first nut; 6. a second nut; 7. a second lead screw; 8. a third nut; 9. a first clamp arm; 10. a clamping jaw; 11. a feed tray; 12. a fourth nut; 13. a collection box; 14. a reel; 15. mounting blocks; 16. a first slide rail; 17. a first slider; 18. a second slide rail; 19. a second slider; 20. and a second clamping arm.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 4, an embodiment of the present invention provides a feeding device for a film splitter, including a base 1, a discharging mechanism and a feeding mechanism; the base 1 is fixedly connected with a mounting seat 2; the mounting seat 2 is perpendicular to the base 1. The discharging mechanism comprises a first screw rod 3 driven by a first motor to rotate (namely, the tail end of the first screw rod 3 is connected with a first motor for driving the first screw rod 3 through a coupler and a bearing), a first slide rail 16 and a rotating motor 4, the first screw rod 3 is rotationally connected to the mounting base 2 through the bearing, the first slide rail 16 is parallel to the first screw rod 3 and is fixedly connected to the mounting base 2, and the first slide rail 16 is positioned above the first screw rod 3; a first nut 5 and a second nut 6 are connected to the first lead screw 3 in a threaded manner, the rotation directions of the two nuts are opposite, the first nut 5 and the second nut 6 are symmetrically arranged on the first lead screw 3, the first nut 5 and the second nut 6 are both connected with the first slide rail 16 in a sliding manner through a first slide block 17, namely, the first slide block 17 matched with the first slide rail 16 is fixedly connected to the first nut 5 and the second nut 6, and two rotating motors 4 are arranged and are respectively fixedly connected to the first nut 5 and the second nut 6; the diameter of the output shaft of the rotating motor 4 is slightly smaller than the inner diameter of the reel 14, the feeding mechanism comprises a second screw rod 7 driven by a second motor to rotate (namely, the tail end of the second screw rod 7 is connected with the second motor for driving the second screw rod 7 through a coupler and a bearing), a second slide rail 18 and a first clamping arm 9, the second screw rod 7 is vertical to the first screw rod 3, the second slide rail 18 is parallel to the second screw rod 7 and is positioned below the second screw rod 7, a third nut 8 is connected to the second screw rod 7 through a thread, the third nut 8 is connected with the second slide rail 18 through a second slide block 19 in a sliding manner, two first clamping arms 9 are arranged on two sides of the second screw rod 7 symmetrically, one end of each first clamping arm 9 is close to the material placing mechanism, the end part of the end is fixedly connected with a clamping jaw 10, and the other end of each first clamping arm 9 is fixedly connected to the third nut 8; the central line of each clamping jaw 10 is respectively positioned on the same horizontal plane with the central line of each rotating motor 4 and is parallel to each other, and the two clamping jaws 10 are positioned between the two rotating motors 4; the motors are externally connected with a PLC, and the PLC realizes logic control on the motors.

The detailed working process of the embodiment is as follows: when feeding, the first clamping arm 9 clamps two ends of a reel 14 of a film coil stock, the second lead screw 7 rotates forwards under the action of the first motor, the second lead screw 7 rotates so as to drive the third nut 8 to move on the second lead screw 7 and approach the rotating motor 4, and the third nut 8 drives the film coil stock on the first clamping arm 9 to move; when the reel 14 of the film coil stock moves to be coaxial with the rotating motor 4, the film coil stock stops moving, and at the moment, the first screw rod 3 rotates forwards under the action of the first motor, so that the rotating motors 4 on the first nut 5 and the second nut 6 are driven to move oppositely until the rotating motors 4 axially clamp two ends of the reel 14 of the film coil stock; finally, a second motor positioned at the tail end of the second screw rod 7 drives the second screw rod 7 to rotate reversely, and a third nut 8 drives the first clamping arm 9 to move on the second screw rod 7 and to be far away from the clamping part until the initial position; the rotary motor 4 rotates to drive the reel 14 of the film coiled material to discharge. After the film coil stock blowing is completed, the first motor at the tail end of the first screw rod 3 drives the first screw rod 3 to rotate reversely, the first nut 5 and the second nut 6 move away from the first screw rod 3 to drive the two rotating motors 4 to move away from the first screw rod, and when the two rotating motors 4 are far away from the clamping action of the reel 14 of the film coil stock, the reel 14 of the film coil stock falls under the action of the dead weight.

The feeding mechanism realizes axial clamping on the film coiled material so as to provide rotating force, so that the film coiled material can rotate stably under the driving of the rotating motor 4 to realize feeding; feeding mechanism cooperates drop feed mechanism to realize the automation of material loading, improves material loading efficiency and reduces workman's work amount of labour.

Further, as shown in fig. 1 and fig. 2, the feeding mechanism further includes a feeding tray 11 and a second clamping arm 20, the bottom of the feeding tray 11 is rotatably connected to the base 1 through a bearing and can rotate around its own axis, and the feeding tray 11 is perpendicular to the base 1 and externally connected with a driving motor; the second screw rod 7 is rotatably connected to the feeding tray 11 through an installation block 15, the second screw rod 7 can rotate along with the feeding tray 11, a fourth nut 12 is connected to the second screw rod 7 through a thread, the fourth nut 12 is slidably connected to the second slide rail 18 through a second slider 19, the fourth nut 12 and the third nut 8 are opposite in rotating direction, the second clamping arm 20 is fixedly connected to the fourth nut 12, and the second clamping arm 20 and the first clamping arm 9 are identical in structure and are symmetrically arranged on the second screw rod 7.

Because the feeding plate 11 is connected to the base 1 in a rotating mode, the feeding plate 11 can rotate along the axis of the feeding plate 11, the second screw rod 7 is connected to the mounting block 15 located on the feeding plate 11 in a rotating mode, the first clamping arm 9 and the second clamping arm 20 are symmetrically arranged on the second screw rod 7, the third nut 8 and the fourth nut 12 are matched to move back and forth along the second screw rod 7 in a matching mode (before the feeding plate 11 rotates, the second motor located at the tail end of the second screw rod 7 drives the screw rod to rotate reversely, the third nut 8 and the fourth nut 12 drive the first clamping arm 9 and the second clamping arm 20 to move oppositely until the feeding mechanism is withdrawn, so that the feeding mechanism is prevented from rotating and interfering), feeding can be completed once when the feeding plate 11 rotates 180 degrees, feeding time is saved, and working efficiency is further improved.

Further, as shown in fig. 1, the clamping jaw 10 is C-shaped, and a guide bevel is provided at an opening of the clamping jaw 10 and is preferably made of an elastic material; the opening of the clamping jaw 10 faces the first screw rod 3.

When feeding, the reels 14 at two ends of the film coiled material can be pressed into the clamping jaws 10 manually or mechanically, and because the clamping jaws 10 are arranged to be C-shaped, the openings of the clamping jaws 10 are provided with guide oblique angles and are preferably made of elastic materials, and the openings of the clamping jaws are arranged towards the first screw rod 3, the reels 14 of the film coiled material can slide into the clamping jaws 10 more easily and cannot slide out of the clamping jaws 10 easily, and the clamping jaws 10 achieve a better clamping effect on the reels 14 of the film coiled material; after the feeding is finished, the second screw rod 7 drives the clamping jaw 10 on the nut to be far away from the discharging mechanism under the driving rotation of the second motor, at the moment, the rotating motor 4 already axially clamps the scroll 14 of the film coiled material, and the clamping jaw 10 can be smoothly taken out of the scroll 14.

Further, as shown in fig. 1, a collecting box 13 is arranged on the base 1, and the collecting box 13 is located right below the rotating motor 4; the length of the collecting chamber 13 in the direction of the first screw 3 is greater than the length of the reel 14 of film web.

By providing the collecting bin 13 directly below the rotary motor 4, a collecting effect on the film web roll 14 is achieved.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a film splitter loading attachment which characterized in that: comprises a base (1), a material discharging mechanism and a material feeding mechanism;

the discharging mechanism comprises a first sliding rail (16), a rotating motor (4) and a first screw rod (3), the first screw rod (3) is rotatably connected to the base (1) and is driven to rotate by the first motor, the first sliding rail (16) is parallel to the first screw rod (3) and is fixedly connected to the base (1), a first nut (5) and a second nut (6) are connected to the first screw rod (3) in a threaded mode, the rotating directions of the two nuts are opposite, the first nut (5) and the second nut (6) are both in sliding connection with the first sliding rail (16), and the two rotating motors (4) are fixedly connected to the first nut (5) and the second nut (6) respectively;

the feeding mechanism comprises a second slide rail (18), a first clamping arm (9) and a second screw rod (7) driven by a second motor to rotate, the second screw rod (7) is rotatably connected to the base (1) and perpendicular to the first screw rod (3), the second slide rail (18) is parallel to the second screw rod (7), a third nut (8) is connected to the second screw rod (7) in a threaded manner, the third nut (8) is slidably connected with the second slide rail (18), the first clamping arm (9) is provided with two clamping arms which are symmetrically arranged on two sides of the second screw rod (7), one end of each first clamping arm (9) is close to the discharging mechanism, the end part of each first clamping arm is fixedly connected with a clamping jaw (10), and the other end of each first clamping arm is fixedly connected to the third nut (8); the central line of each clamping jaw (10) and the central line of each rotating motor (4) are located on the same horizontal plane and are parallel to each other, and the two clamping jaws (10) are located between the two rotating motors (4).

2. The loading device of the film splitter as claimed in claim 1, wherein: the feeding mechanism further comprises a feeding disc (11) and a second clamping arm (20), the bottom of the feeding disc (11) is rotatably connected onto the base (1), the second lead screw (7) is rotatably connected onto the feeding disc (11), a fourth nut (12) is connected onto the second lead screw (7) in a threaded manner, the fourth nut (12) is slidably connected with the second sliding rail (18), the fourth nut (12) is opposite to the third nut (8) in the rotating direction, the second clamping arm (20) is fixedly connected onto the fourth nut (12), and the second clamping arm (20) and the first clamping arm (9) are identical in structure and are symmetrically arranged on the second lead screw (7).

3. The loading device of the film splitter as claimed in claim 1, wherein: the clamping jaw (10) is C-shaped, a guide oblique angle is arranged at the opening of the clamping jaw (10), and the opening of the clamping jaw (10) faces towards the first screw rod (3).

4. The loading device of the film splitter as claimed in claim 1, wherein: the base (1) is provided with a collecting box (13), and the collecting box (13) is located under the rotating motor (4).