CN210616679U

CN210616679U - Automatic cutting device for PET protective film

Info

Publication number: CN210616679U
Application number: CN201921039606.0U
Authority: CN
Inventors: 王忠文
Original assignee: Shenzhen Zhongkexiang Technology Co Ltd
Current assignee: Shenzhen Zhongkexiang Technology Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-05-26
Anticipated expiration: 2029-07-05

Abstract

The utility model relates to the technical field of cutting devices, in particular to an automatic cutting device for PET protective films, which comprises a U-shaped frame, wherein a stainless steel conveyer belt is horizontally arranged on the U-shaped frame, the left side wall and the right side wall of the U-shaped frame are both connected with lead screws through threads, the outer ends of the two lead screws are both extended to the outer side of the U-shaped frame and welded with hand wheels, the inner ends of the two lead screws are both extended to the inner side of the U-shaped frame and are connected with limiting plates through bearings in a rotating way, stepped groove positions are also arranged on the opposite sides of the two limiting plates, the corresponding lead screws are respectively rotated by the two hand wheels to move the two limiting plates to the inner side of the U-shaped frame according to the width of the PET protective film body to be cut, the PET protective film body with overlapped transmission surface is driven to move by the, thereby ensuring the cutting effectiveness.

Description

Automatic cutting device for PET protective film

Technical Field

The utility model relates to a tailor technical field, specific device is tailor to automatic formula of PET protection film that says so.

Background

The PET protective film has the advantages of light weight, high strength, good transparency and gas barrier property, no toxicity, no odor and the like, and is rapidly developed. At present in the production process of PET protection film, it is one important process to tailor the protection film, and present equipment can not be carried on spacingly in shearing transmission process to stack the PET protection film of waiting to tailor to very easily the skew of PET protection film in transmission process, and then the accuracy of influence tailorring, present equipment still can not adjust the cutting angle that needs the PET protection film of tailorring as required simultaneously, thereby the practicality is relatively poor, therefore still need to improve the processing.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a device is tailor to automatic formula of PET protection film to solve the problem in the above-mentioned background art.

The technical scheme of the utility model is that: an automatic cutting device for PET protective films comprises a U-shaped frame, wherein stainless steel conveyor belts are horizontally installed on the U-shaped frame, the left side wall and the right side wall of the U-shaped frame are connected with lead screws through threads, the outer ends of the two lead screws extend to the outer side of the U-shaped frame and are welded with hand wheels, the inner ends of the two lead screws extend to the inner side of the U-shaped frame and are connected with limiting plates through bearings in a rotating mode, stepped grooves are formed in the opposite sides of the two limiting plates, rolling shafts are evenly connected to the inner tops of the two stepped grooves through bearings in a rotating mode, the bottom faces of the rolling shafts are flush with the bottom faces of the limiting plates, the vertical distance between the bottom faces of the rolling shafts and the transmission surface of the stainless steel conveyor belts is 0.03MM, a slide way for transmitting the PET protective films is welded at the bottom of the front end of the U-shaped frame, an installation frame, the servo motor output installs the ball screw pair through the shaft coupling, the vice outer wall of ball screw has the ball nut vice certainly, the welding of the vice front end upper portion of ball nut has fixed cover, the welding of the vice front end lower part of ball nut has the bearing frame, just install the montant jointly between fixed cover and the bearing frame inner wall, there is the cylinder montant bottom through the mounting screw, there is T shape cutter mounting panel cylinder end through the mounting screw, T shape cutter mounting panel bottom equidistance set up screw hole, T shape cutter mounting panel has the cutter with the help of a plurality of screw hole fixation.

According to the arrangement, the width of the PET protective film body to be cut according to the requirement is set, firstly, two corresponding screw rods are respectively rotated by two hand wheels to enable two limiting plates to move towards the inner side of a U-shaped frame, and the PET protective film body overlapped on the transmission surface of the PET protective film body is driven to move by a stainless steel conveying belt, so that the PET protective film body in transmission cutting is limited by all rolling shafts, and the effectiveness of cutting is further ensured; it is vice rotatory to drive ball screw with the help of servo motor, thereby can rely on ball screw nut pair to make the cutter move down to suitable position according to the overall height of PET protection film body in the stack, simultaneously when the cutter position needs to be changed, adjust PET protection film body promptly and tailor when the position, adjust the position of fixed cutter with the help of mutually supporting of locking bolt and locating hole, PET protection film body height is cuted in can will overlapping with fixed flexible length with the help of the cylinder, thereby make the cutter not damage the stainless steel conveyer belt surface, tailer and shift out PET protection film body fast with the help of the slide after accomplishing.

Preferably, there is the interval between limiting plate front end and the mounting bracket rear end, vertical the slide rail of having seted up in the middle of the left wall in the mounting bracket, ball nut pair rear end horizontal welding has the slide bar, slide rail and slide bar slide and meet.

The arrangement can ensure the cutter to stably move up and down by means of the arrangement of the sliding rail and the sliding rod.

Preferably, the upper part of the fixed sleeve is in threaded connection with a locking bolt, and the outer wall of the fixed sleeve is also provided with positioning holes matched with the locking bolt at equal intervals.

This arrangement adjusts the position of the stationary cutter by means of the cooperation of the locking bolt and the positioning hole.

Preferably, the stainless steel conveyer belt is stacked with PET protective film bodies, and the left side and the right side of the PET protective film bodies are in rolling contact with all rolling shafts arranged left and right.

This setting relies on all rollers to carry out spacing to the PET protection film body in the transmission is tailor.

Preferably, the stainless steel conveyer belt front side and interior rear side tensioning respectively have driving roller and driven roller, driving roller and driven roller are connected with the U-shaped frame through the bearing respectively, the driving roller extends to the U-shaped frame outside and installs step motor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial cross-sectional view taken along line A-A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the overlooking connection structure between the ball screw nut pair and the fixing sleeve of the present invention;

FIG. 4 is a schematic view of a partial cross-sectional view taken along line B-B of FIG. 1 according to the present invention;

fig. 5 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention;

fig. 6 is a schematic diagram of a partial enlarged structure at B in fig. 4 according to the present invention.

Wherein the reference numerals are summarized as follows: 1. a U-shaped frame; 2. a stainless steel conveyor belt; 3. a screw rod; 4. a hand wheel; 5. a limiting plate; 6. a step slot position; 7. a roller; 8. a slideway; 9. a mounting frame; 10. a servo motor; 11. a ball screw pair; 1101. a ball screw nut pair; 12. fixing a sleeve; 1201. locking the bolt; 1202. positioning holes; 13. a bearing seat; 14. a vertical rod; 15. a cylinder; 16. a T-shaped cutter mounting plate; 1601. a threaded hole; 17. a cutter; 18. PET protection film body.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

Referring to fig. 1-6, the automatic cutting device for PET protective film of the present invention comprises a U-shaped frame 1, wherein a stainless steel belt 2 is horizontally installed on the U-shaped frame 1, the left and right side walls of the U-shaped frame 1 are connected with screw rods 3 through threads, the outer ends of the two screw rods 3 are extended to the outer side of the U-shaped frame 1 and welded with hand wheels 4, the inner ends of the two screw rods 3 are extended to the inner side of the U-shaped frame 1 and connected with a limiting plate 5 through bearings, stepped grooves 6 are formed on the opposite sides of the two limiting plates 5, the top portions of the two stepped grooves 6 are connected with a roller 7 through bearings, the bottom end surfaces of the roller 7 are flush with the bottom end surfaces of the limiting plates 5, the vertical distance between the bottom end surfaces of the roller 7 and the transmission surface of the stainless steel belt 2 is 0.03MM, the bottom of the front end of the U-shaped frame 1 is welded with, the utility model discloses a T-shaped cutter mounting panel, including U-shaped frame 1, ball screw nut, fixed cover, bearing frame 13, montant 14, there is

cylinder

15, 15 end has T-shaped cutter mounting panel 16 through the mounting bracket 9 that spanes it is welded to the left side wall of front end of U-shaped frame 1, install servo motor 10 in the middle of the mounting bracket 9 top, the vice 11 of ball screw is installed through the shaft coupling to servo motor 10 output, the vice 11 outer walls of ball screw have the vice 1101 of ball screw nut, the vice 1101 front end upper weld of ball screw nut has fixed cover 12, the vice 1101 front end sub-unit weld of ball screw nut has bearing frame 13, just install montant 14 between fixed cover 12 and the 13 inner walls of bearing frame jointly, there is cylinder 15 bottom through the mounting screw, there is T-shaped cutter mounting panel. There is the interval between limiting plate 5 front end and mounting bracket 9 rear end, vertical the slide rail of having seted up in the middle of the left wall in mounting bracket 9, the horizontal welding of ball nut pair 1101 rear end has the slide bar, slide rail and slide bar slide and meet. The upper part of the fixed sleeve 12 is in threaded connection with a locking bolt 1201, and the outer wall of the fixed sleeve 12 is also provided with positioning holes 1202 which are matched with the locking bolt 1201 at equal intervals. The PET protective film body 18 is stacked on the stainless steel conveying belt 2, and the left side and the right side of the PET protective film body 18 are in rolling contact with all the rolling shafts 7 arranged left and right. The stainless steel conveyer belt 2 is inside front side and inside rear side take-up respectively to have driving roller and driven roller, driving roller and driven roller are connected with U-shaped frame 1 through the bearing respectively, the driving roller extends to the U-shaped frame 1 outside and installs step motor.

In order to better understand the utility model by those skilled in the art, the working process of the utility model is briefly described with reference to the attached drawings: according to the width of the PET protective film body 18 to be cut, firstly, two hand wheels 4 are used for respectively rotating the corresponding screw rods 3 to enable two limiting plates 5 to move towards the inner side of the U-shaped frame 1, and the stainless steel conveying belt 2 is used for driving the PET protective film body 18 with the overlapped conveying surface to move, so that the PET protective film body 18 in the conveying cutting is limited by all the rolling shafts 7, and the cutting effectiveness is further ensured; the servo motor 10 is used for driving the ball screw pair 11 to rotate, so that the cutter 17 can move downwards to a proper position according to the total height of the PET protective film body 18 in superposition by means of the ball screw nut pair 1101, meanwhile, when the position of the cutter 17 needs to be changed, namely, when the cutting position of the PET protective film body 18 is adjusted, the position of the fixed cutter 17 is adjusted by means of mutual matching of the locking bolt 1201 and the positioning hole 1202, the PET protective film body 18 in superposition can be cut by means of the cylinder 15 by the fixed telescopic length, so that the surface of the stainless steel conveying belt 2 is not damaged by the cutter 17, and the PET protective film body 18 is quickly moved out by means of the slide rail 8 after cutting is completed.

It should be noted that the specific types of the stepping motors used for the air cylinder 15, the servo motor 10 and the stainless steel conveyor belt 2 need to be calculated according to the specific specification of the setting, and the corresponding calculation mode belongs to the prior art in the field, and therefore, the description is omitted.

The control method and the principle of the stepping motor used for the air cylinder 15, the servo motor 10 and the stainless steel conveyer belt 2 are clear to those skilled in the art, and will not be described in detail herein.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a device is tailor to PET protection film automatic formula, includes U-shaped frame (1), its characterized in that: the stainless steel conveying belt (2) is horizontally arranged on the U-shaped frame (1), the left side wall and the right side wall of the U-shaped frame (1) are connected with screw rods (3) through threads, the outer ends of the two screw rods (3) extend to the outer side of the U-shaped frame (1) and are welded with hand wheels (4), the inner ends of the two screw rods (3) extend to the inner side of the U-shaped frame (1) and are connected with limiting plates (5) through bearings in a rotating mode, stepped groove positions (6) are further formed in the opposite sides of the two limiting plates (5), the tops of the two stepped groove positions (6) are further connected with rolling shafts (7) through bearings in a rotating mode, the bottom end faces of the rolling shafts (7) are flush with the bottom end faces of the limiting plates (5), the vertical distance between the bottom end faces of the rolling shafts (7) and the conveying surface of the stainless steel conveying belt (2) is 0.MM 03, and the bottom, the U-shaped frame (1) front end left side wall is welded with mounting bracket (9) spanning the U-shaped frame (1), servo motor (10) is installed in the middle of the top of mounting bracket (9), ball screw pair (11) is installed at the output end of servo motor (10) through a coupler, the outer wall of ball screw pair (11) has ball screw nut pair (1101) by itself, fixed sleeve (12) is welded at the upper part of the front end of ball screw nut pair (1101), bearing seat (13) is welded at the lower part of the front end of ball screw nut pair (1101), vertical rod (14) is installed between the inner walls of fixed sleeve (12) and bearing seat (13) together, cylinder (15) is installed at the bottom end of vertical rod (14) through screws, T-shaped cutter mounting plate (16) is installed at the tail end of cylinder (15) through screws, equidistant threaded holes (1601) are opened, the T-shaped cutter mounting plate (16) is fixed with cutters (17) through a plurality of threaded holes (1601).

2. The automatic cutting device for the PET protective film according to claim 1, characterized in that: there is the interval between limiting plate (5) front end and mounting bracket (9) rear end, vertical slide rail of having seted up in the middle of the left wall in mounting bracket (9), the horizontal welding of ball screw nut pair (1101) rear end has the slide bar, slide rail and slide bar slip meet.

3. The automatic cutting device for the PET protective film according to claim 1, characterized in that: the upper part of the fixed sleeve (12) is in threaded connection with a locking bolt (1201), and positioning holes (1202) matched with the locking bolt (1201) are further formed in the outer wall of the fixed sleeve (12) at equal intervals.

4. The automatic cutting device for the PET protective film according to claim 1, characterized in that: PET protection film body (18) are stacked on the stainless steel conveying belt (2), and the left side and the right side of the PET protection film body (18) are in rolling contact with all the rolling shafts (7) arranged left and right.

5. The automatic cutting device for the PET protective film according to claim 1, characterized in that: front side and interior rear side tensioning respectively have driving roller and driven roller in stainless steel conveyer belt (2), driving roller and driven roller are connected with U-shaped frame (1) through the bearing respectively, the driving roller extends to the U-shaped frame (1) outside and installs step motor.