CN115489098A

CN115489098A - CPP film stretcher

Info

Publication number: CN115489098A
Application number: CN202211291346.2A
Authority: CN
Inventors: 谭尚荣; 刘学赞; 吕松佳; 刘湖; 陈为民; 周建锋
Original assignee: Foshan Gaoming Haineng Technology Co ltd
Current assignee: Foshan Gaoming Haineng Technology Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2022-12-20

Abstract

The invention provides a CPP film stretcher, which comprises a rack, wherein supporting seats are respectively installed at four corners of the bottom end of the rack, a feeding roller is rotatably connected to the inner side of the rack, a first heating roller is rotatably connected to the inner side bottom end of the rack, a second heating roller is rotatably connected to the inner side of the rack, a matching roller is rotatably connected to the inner side of the rack, a first pressurizing mechanism is arranged at the bottom end of the matching roller, a fixed roller is rotatably connected to the inner side of the rack, a tension degree adjusting mechanism is arranged at the inner side of the rack, the tension degree adjusting mechanism comprises an adjusting roller, first sliding grooves are formed in two inner sides of the rack, an infrared distance sensor is installed at the top end of a cross rod, the height of a CPP film is effectively detected, so that the tension degree is detected, conical teeth are respectively sleeved at the top end of the threaded rod and two ends of the transmission rod, one of the threaded rods can drive the other threaded rod to rotate through the transmission rod when rotating, so that the adjusting roller is lifted, and the tension degree is adjusted.

Description

CPP film stretcher

Technical Field

The invention relates to the technical field of material stretching, in particular to a CPP film stretcher.

Background

The CPP film is a casting polypropylene film, is a polypropylene film produced by adopting a casting process, and can be divided into a general CPP film, an aluminum-plated CPP film, a cooking CPP film and the like according to different purposes. The CPP film has the advantages of good transparency, high glossiness, strong moisture resistance, high heat resistance, easy heat sealing and the like, is widely applied in the market, and particularly mainly takes food packaging, and needs to be stretched by a stretcher during production.

When the existing CPP film stretcher is used, the film stretching process is long, wrinkles easily occur, the tension of the stretched film cannot be adjusted, and the film is easily caused to collapse during rolling, so that the quality of the film is influenced due to the wrinkles.

Disclosure of Invention

In view of the above problems, the technical solution proposed by the present invention is:

the utility model provides a CPP film stretcher, includes the frame, the supporting seat is all installed in the bottom four corners of frame, the inboard of frame is rotated and is connected with the feed roll, the inboard bottom of frame is rotated and is connected with first warming mill, the inboard of frame is rotated and is connected with the second warming mill, the inboard of frame is rotated and is connected with the cooperation roller, the bottom of cooperation roller is equipped with first loading system, the inboard of frame is rotated and is connected with the fixed roll, the inboard of frame is equipped with rate of tension adjustment mechanism, rate of tension adjustment mechanism includes the regulating roller, first spout has all been seted up to the inside both sides of frame, the inboard sliding connection of first spout has first slider, the both ends of regulating roller and the inboard rotation of first slider are connected, the inboard bottom of frame is equipped with second loading system, feed roll, first warming mill, second warming mill, cooperation roller, fixed roll, regulating roller and the inboard connection of frame, infrared distance sensor is installed on the top of horizontal pole, the inboard of frame is rotated and is connected with the wind-up roll, the bottom of wind-up roll is equipped with second loading system, feed roll, first warming mill, second warming mill, cooperation roller, fixed roll and the inside distribution of second are equipped with the heating wire.

As a preferable technical scheme of the invention, a first motor is installed on one side of the rack, and the output end of the first motor is connected with one end of the feeding roller.

As a preferable technical scheme of the present invention, the first pressurizing mechanism includes a first pressing roller, second sliding grooves are formed in both sides of the inside of the frame, a second sliding block is slidably connected to the inner side of each second sliding groove, both ends of the first pressing roller are rotatably connected to the inner side of each second sliding block, a first spring is mounted at the bottom end of each second sliding block, and the bottom end of each first spring is connected to the bottom end of the inner side of each second sliding groove.

As a preferable technical scheme of the present invention, the second pressurizing mechanism includes a second pressing roller, third sliding grooves are formed in both sides of the inside of the frame, a third slider is slidably connected to the inside of the third sliding groove, both ends of the second pressing roller are rotatably connected to the inside of the third slider, a second spring is mounted at the bottom end of the third slider, and the bottom end of the second spring is connected to the bottom end of the inside of the third sliding groove.

As a preferred technical scheme of the invention, the two sides of the rack are both provided with fixed frames, the inner sides of the fixed frames are rotatably connected with threaded rods, the outer sides of the threaded rods are sleeved with movable blocks, and one sides of the movable blocks are connected with one sides of the second sliding blocks.

As a preferable technical scheme of the invention, a transmission rod is arranged at the top end of the rack, two ends of the transmission rod are rotatably connected with holding seats, the bottom end of each holding seat is connected with the top end of the rack, conical teeth are sleeved at the top end of the threaded rod and the two ends of the transmission rod, and the threaded rod and the transmission rod are in transmission connection through the conical teeth.

As a preferable technical solution of the present invention, a second motor is installed at a bottom end of one of the fixing frames, and an output end of the second motor is connected to a bottom end of one of the threaded rods.

As a preferable technical scheme of the invention, a third motor is installed on one side of the rack, and the output end of the third motor is connected with one end of the winding roller.

As a preferable technical solution of the present invention, a control panel is installed at one side of the rack.

In another aspect, the present invention provides a stretching method of a CPP film stretching machine, including the steps of:

s1, placing materials: inserting the CPP film reel on a feeding roller, adjusting the position of the CPP film reel, and checking whether the CPP film reel is placed flatly;

s2, connecting a winding roller: one end of a CPP film winding drum sequentially penetrates through a feeding roller, a first heating roller, a second heating roller, a matching roller, a fixing roller and an adjusting roller, then the CPP film is wound at a winding roller, the CPP film is attached to the matching roller through the arrangement of the first pressing roller, wrinkles are prevented from occurring during tensioning, the CPP film is attached to the winding roller through the arrangement of the second pressing roller, and the wrinkles are prevented from occurring during winding;

s3, heating and stretching: the first heating roller and the second heating roller are controlled to operate through the control panel to heat the CPP film, the first motor is controlled to operate through the control panel to enable the feeding roller to rotate, and the CPP film is discharged;

s4, adjusting the tensity: the control panel controls the infrared distance sensor to operate to detect the height of the CPP film, and when the CPP film is detected to be low, the control panel controls the second motor to operate to rotate the threaded rod, so that the movable block moves, and the adjusting roller presses and tensions the CPP film;

s5, rolling materials: and the third motor is controlled by the control panel to operate, so that the winding roller rotates to stretch and wind the CPP film.

Compared with the prior art, the invention has the beneficial effects that: install infrared distance sensor through the top of horizontal pole, effectively detect the height of CPP film, thereby realize the degree of progress detection of opening, inside through first warming mill and the inside of second warming mill all are equipped with the heating wire, realize the heating of CPP film, conveniently stretch, the output through first motor is connected with the one end of feed roller, realize the feeding roller electrical rotation blowing, first spring is installed through the bottom of second slider, realize first compression roller from kick-backing, thereby realize that the CPP film compresses tightly when stretching, prevent that fold phenomenon from taking place when stretching, install the second spring through the bottom of third slider, realize that the CPP compression roller is from kick-backing, thereby realize compressing tightly of CPP film when the rolling, prevent that fold phenomenon from taking place when the rolling, all overlap the awl tooth through the top of threaded rod and the both ends of transfer line, realize that one of them threaded rod can drive another threaded rod rotatory through the transfer line when rotatory, thereby realize the regulating roller goes up and down, realize rate of tension regulation, output through the second motor is connected with the bottom of one of them threaded rod, realize that the threaded rod electrical rotation, install the third motor through one side of frame, realize the winding roller electrical rotation, thereby realize film and stretch CPP.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

FIG. 1 is a schematic perspective view of a CPP film stretching machine according to an embodiment of the present invention;

FIG. 2 is a schematic perspective development view of a CPP film stretching machine disclosed in an embodiment of the present invention;

FIG. 3 is a front view of a CPP film stretcher according to the embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 1 of a CPP film stretching machine disclosed in an embodiment of the present invention;

FIG. 5 is an enlarged schematic view of a structure B in FIG. 1 of a CPP film stretching machine disclosed in an embodiment of the present invention;

FIG. 6 is a block diagram of a method of a CPP film stretcher according to an embodiment of the present invention.

Reference numerals are as follows: 100. a frame; 101. a supporting seat; 102. a feed roll; 103. a first heating roller; 104. a second heating roller; 105. a mating roller; 106. a first pressurizing mechanism; 10601. a first press roll; 10602. a second chute; 10603. a second slider; 10604. a first spring; 107. a fixed roller; 108. a tension detection mechanism; 10801. a cross bar; 10802. an infrared distance sensor; 109. a tension adjusting mechanism; 10901. a regulating roller; 10902. a first chute; 10903. a first slider; 10904. a fixed mount; 10905. a movable block; 10906. a threaded rod; 10907. a transmission rod; 10908. a holder; 10909. conical teeth; 110. a wind-up roll; 111. a second pressurizing mechanism; 11101. a second press roll; 11102. a third chute; 11103. a third slider; 11104. a second spring; 112. a first motor; 113. a second motor; 114. a third motor; 115. a control panel.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

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

Example one

Referring to fig. 1-5, a CPP film stretcher comprises a frame 100, four corners of the bottom of the frame 100 are respectively provided with a support seat 101, the inner side of the frame 100 is rotatably connected with a feed roller 102, the inner side bottom of the frame 100 is rotatably connected with a first heating roller 103, the inner side of the frame 100 is rotatably connected with a second heating roller 104, the inner side of the frame 100 is rotatably connected with a matching roller 105, the bottom end of the matching roller 105 is provided with a first pressurizing mechanism 106, the inner side of the frame 100 is rotatably connected with a fixed roller 107, the inner side of the frame 100 is provided with a tension adjusting mechanism 109, the tension adjusting mechanism 109 comprises an adjusting roller 10901, two sides of the inner part of the frame 100 are respectively provided with a first chute 10902, the inner side of the first chute 10902 is slidably connected with a first slide block 10903, two ends of the adjusting roller 10901 are rotatably connected with the inner side of the first slide block 10903, the inner side bottom of the frame 100 is provided with a tension detecting mechanism 108, rate of tension detection mechanism 108 includes horizontal pole 10801, the both ends of horizontal pole 10801 and the inboard of frame 100 are connected, infrared distance sensor 10802 is installed on the top of horizontal pole 10801, infrared distance sensor 10802 is installed on the top through horizontal pole 10801, effectively detect the height of CPP film, thereby realize the degree of tension detection, the inboard rotation of frame 100 is connected with wind-up roll 110, the bottom of wind-up roll 110 is equipped with second presser device 111, feed roll 102, first warming mill roller 103, second warming mill roller 104, cooperation roller 105, fixed roll 107, distribute in proper order between regulating roll 10901 and the wind-up roll 110, the inside of first warming mill roller 103 and the inside of second warming mill roller 104 all are equipped with the heating wire, inside through first warming mill roller 103 and the inside of second warming mill roller 104 all are equipped with the heating wire, realize the heating of CPP film, conveniently stretch.

In an embodiment of the present invention, further, a first motor 112 is installed at one side of the frame 100, an output end of the first motor 112 is connected to one end of the feed roller 102, and the feeding roller 102 is electrically rotated to discharge material by connecting the output end of the first motor 112 to one end of the feed roller 102.

In an embodiment of the present invention, further, the first pressing mechanism 106 includes a first pressing roller 10601, second chutes 10602 are formed in both sides of the inside of the frame 100, a second slider 10603 is slidably connected to the inside of the second chute 10602, both ends of the first pressing roller 10601 are rotatably connected to the inside of the second slider 10603, a first spring 10604 is installed at the bottom end of the second slider 10603, the bottom end of the first spring 10604 is connected to the bottom end of the inside of the second chute 10602, and the first spring 10604 is installed at the bottom end of the second slider 10603, so that the first pressing roller 10601 is automatically rebounded, and thus the pressing of the CPP film during stretching is achieved, and the wrinkle phenomenon during stretching is prevented.

In an embodiment of the invention, further, the second pressing mechanism 111 includes a second pressing roller 11101, third sliding grooves 11102 are respectively formed in two sides of the inside of the frame 100, a third sliding block 11103 is slidably connected to the inside of the third sliding groove 11102, two ends of the second pressing roller 11101 are rotatably connected to the inside of the third sliding block 11103, a second spring 11104 is installed at the bottom end of the third sliding block 11103, the bottom end of the second spring 11104 is connected to the bottom end of the inside of the third sliding groove 11102, and the second spring 11104 is installed at the bottom end of the third sliding block 11103 to realize self-rebounding of the second pressing roller 11101, so that the CPP film is pressed during winding and prevented from wrinkling during winding.

In one embodiment of the present invention, further, a fixed frame 10904 is installed on both sides of the frame 100, a threaded rod 10906 is rotatably connected to the inner side of the fixed frame 10904, a movable block 10905 is sleeved on the outer side of the threaded rod 10906, and one side of the movable block 10905 is connected to one side of the second slider 10603.

The top end of the rack 100 is provided with a transmission rod 10907, two ends of the transmission rod 10907 are rotatably connected with a holding base 10908, the bottom end of the holding base 10908 is connected with the top end of the rack 100, the top end of the threaded rod 10906 and two ends of the transmission rod 10907 are respectively sleeved with a bevel tooth 10909, the threaded rod 10906 and the transmission rod 10907 are in transmission connection through the bevel teeth 10909, the top end of the threaded rod 10906 and two ends of the transmission rod 10907 are respectively sleeved with the bevel teeth 10909, and when one of the threaded rods 10906 rotates, the other threaded rod 10906 can be driven to rotate through the transmission rod 10907, so that the lifting of the adjusting roller 10901 is achieved, and the tension adjustment is achieved.

In an embodiment of the present invention, further, a second motor 113 is installed at a bottom end of one of the fixed frames 10904, an output end of the second motor 113 is connected to a bottom end of one of the threaded rods 10906, and the threaded rods 10906 are electrically rotated by connecting an output end of the second motor 113 to a bottom end of one of the threaded rods 10906.

In one embodiment of the invention, further, a third motor 114 is installed at one side of the frame 100, an output end of the third motor 114 is connected with one end of the take-up roll 110, and the third motor 114 is installed at one side of the frame 100, so that the electric rotation of the take-up roll 110 is realized, and the winding and stretching of the CPP film are realized.

Further, a control panel 115 is installed at one side of the rack 100, and the control panel 115 is installed at one side of the rack 100, so that the controllability of the equipment is realized, and the convenience in use of the product is improved.

Example two

Referring to fig. 6, another stretching method of a CPP film stretching machine according to an embodiment of the present invention includes the following steps:

s1, placing materials: inserting the CPP film roll on the feeding roller 102, adjusting the position of the CPP film roll, and checking whether the CPP film roll is placed flatly;

s2, connecting a winding roller: one end of a CPP film reel sequentially passes through a feeding roller 102, a first heating roller 103, a second heating roller 104, a matching roller 105, a fixing roller 107 and an adjusting roller 10901, then the CPP film is coiled at a coiling roller 110, the CPP film is attached to the matching roller 105 through the arrangement of a first compression roller 10601, wrinkles are prevented from being generated during tensioning, and the CPP film is attached to the coiling roller 110 through the arrangement of a second compression roller 11101, and wrinkles are prevented from being generated during coiling;

s3, heating and stretching: the first heating roller 103 and the second heating roller 104 are controlled to operate through the control panel 115 to heat the CPP film, the first motor 112 is controlled to operate through the control panel 115 to enable the feeding roller 102 to rotate, and the CPP film is discharged;

s4, adjusting the tensity: the operation of the infrared distance sensor 10802 is controlled through the control panel 115, the height of the CPP film is detected, when the CPP film is detected to be low, the second motor 113 is controlled through the control panel 115 to operate, the threaded rod 10906 rotates, the movable block 10905 moves, and the adjusting roller 10901 presses down and tensions the CPP film;

s5, rolling materials: the third motor 114 is controlled by the control panel 115 to operate, so that the winding roller 110 rotates to stretch and wind the CPP film.

It should be noted that the specific model specifications of the infrared distance sensor 10802, the first motor 112, the second motor 113, and the third motor 114 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A CPP film stretcher characterized by comprising: a frame (100), supporting seats (101) are installed at four corners of the bottom end of the frame (100), a feeding roller (102) is connected to the inner side of the frame (100) in a rotating mode, a first heating roller (103) is connected to the inner side of the frame (100) in a rotating mode, a second heating roller (104) is connected to the inner side of the frame (100) in a rotating mode, a matching roller (105) is connected to the inner side of the frame (100) in a rotating mode, a first pressurizing mechanism (106) is arranged at the bottom end of the matching roller (105), a fixed roller (107) is connected to the inner side of the frame (100) in a rotating mode, a tension adjusting mechanism (109) is arranged on the inner side of the frame (100) in a rotating mode, a first sliding groove (10902) is formed in each of the two inner sides of the frame (100), a first sliding block (10903) is connected to the inner side of the first sliding groove (10903) in a sliding mode, two ends of the adjusting roller (10901) are connected to the inner side of the first sliding block (10903) in a rotating mode, a tension detecting mechanism (108108) is arranged at the bottom end of the inner side of the frame (100), a tension detecting mechanism (108108108) is arranged on the bottom end of the frame (10801), a cross bar (100), a cross bar sensor and a cross bar (110) is connected to the cross bar (100), and a cross bar (100) and a cross bar distance between the cross bar (100) of the infrared sensor (100), the bottom of wind-up roll (110) is equipped with second pressurization mechanism (111), distribute in proper order between feed roller (102), first warming mill roller (103), second warming mill roller (104), cooperation roller (105), fixed roll (107), adjusting roller (10901) and wind-up roll (110), the inside of first warming mill roller (103) and the inside of second warming mill roller (104) all are equipped with the heating wire.

2. The CPP film stretcher of claim 1, characterized in that: a first motor (112) is installed on one side of the rack (100), and the output end of the first motor (112) is connected with one end of the feeding roller (102).

3. The CPP film stretcher of claim 1, characterized in that: the first pressurizing mechanism (106) comprises a first pressing roller (10601), second sliding grooves (10602) are formed in two sides of the inside of the rack (100), a second sliding block (10603) is connected to the inner side of each second sliding groove (10602) in a sliding mode, two ends of each first pressing roller (10601) are rotatably connected with the inner side of each second sliding block (10603), a first spring (10604) is installed at the bottom end of each second sliding block (10603), and the bottom end of each first spring (10604) is connected with the bottom end of the inner side of each second sliding groove (10602).

4. The CPP film stretcher of claim 1, characterized in that: the second pressurizing mechanism (111) comprises a second pressing roller (11101), third sliding grooves (11102) are formed in two sides of the inside of the rack (100), third sliding blocks (11103) are connected to the inner sides of the third sliding grooves (11102) in a sliding mode, two ends of the second pressing roller (11101) are rotatably connected with the inner sides of the third sliding blocks (11103), second springs (11104) are installed at the bottom ends of the third sliding blocks (11103), and the bottom ends of the second springs (11104) are connected with the inner sides of the third sliding grooves (11102).

5. A CPP film stretcher as claimed in claim 3, characterized in that: the fixed frame (10904) is installed on the two sides of the rack (100), a threaded rod (10906) is connected to the inner side of the fixed frame (10904) in a rotating mode, a movable block (10905) is sleeved on the outer side of the threaded rod (10906), and one side of the movable block (10905) is connected with one side of the second sliding block (10603).

6. A CPP film stretcher as claimed in claim 5, characterized in that: the top of frame (100) is equipped with transfer line (10907), the both ends of transfer line (10907) all rotate and are connected with and keep seat (10908), the bottom of keeping seat (10908) is connected with the top of frame (100), the top of threaded rod (10906) and the both ends of transfer line (10907) all overlap and are equipped with awl tooth (10909), threaded rod (10906) and transfer line (10907) are through awl tooth (10909) transmission connection.

7. A CPP film stretcher as claimed in claim 5, characterized in that: wherein one the bottom of mount (10904) is installed second motor (113), the output of second motor (113) and one of them the bottom of threaded rod (10906) is connected.

8. The CPP film stretcher of claim 1, characterized in that: and a third motor (114) is installed on one side of the rack (100), and the output end of the third motor (114) is connected with one end of the winding roller (110).

9. The CPP film stretcher of claim 1, characterized in that: a control panel (115) is installed on one side of the rack (100).

10. A stretching method applied to a CPP film stretching machine according to any one of claims 1 to 9, characterized by comprising the steps of:

s1, placing materials: inserting the CPP film reel on a feeding roller (102), adjusting the position of the CPP film reel, and checking whether the CPP film reel is placed flatly;

s2, connecting a winding roller: one end of a CPP film winding drum sequentially passes through a feeding roller (102), a first heating roller (103), a second heating roller (104), a matching roller (105), a fixing roller (107) and an adjusting roller (10901), then the CPP film is wound at a winding roller (110), the CPP film is attached to the matching roller (105) through the arrangement of a first pressing roller (10601), wrinkles are prevented from occurring during tensioning, and the CPP film is attached to the winding roller (110) through the arrangement of a second pressing roller (11101), and wrinkles are prevented from occurring during winding;

s3, heating and stretching: the operation of the first heating roller (103) and the second heating roller (104) is controlled through the control panel (115) to heat the CPP film, the operation of the first motor (112) is controlled through the control panel (115) to rotate the feeding roller (102), and the CPP film is discharged;

s4, adjusting the tensity: the control panel (115) is used for controlling the infrared distance sensor (10802) to operate to detect the height of the CPP film, and when the control panel (115) is used for controlling the second motor (113) to operate to rotate the threaded rod (10906) so as to move the movable block (10905) and press the adjusting roller (10901) to tension the CPP film;

s5, rolling materials: and the third motor (114) is controlled to operate by the control panel (115), so that the winding roller (110) rotates, and the CPP film is stretched and wound.