CN211254623U

CN211254623U - Mother roll changing mechanism

Info

Publication number: CN211254623U
Application number: CN201922033214.XU
Authority: CN
Inventors: 陈坚
Original assignee: Tangyan Industrial Shanghai Co ltd
Current assignee: Tangyan Industrial Shanghai Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-14
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a mother roll reel changing mechanism, which relates to the technical field of preservative film rewinder equipment and comprises a case and a reel changing mechanism, wherein the reel changing mechanism is arranged on the case, and an unreeling roller is arranged on the case; a conveying belt is arranged below the reel changing mechanism; the case is provided with an inductor through a connecting frame, and a controller is arranged in the case. The utility model discloses have and carry mother through setting up the conveyer belt and construct to the mechanism of reprinting automatically to by the automatic feeding of the mechanism of reprinting, with the automatic work of reprinting that realizes mother's book, realized the continuity work that mother traded the book, thereby guaranteed the continuity work of whole rewinding machine, improved work efficiency, saved the cost of labor simultaneously, and then saved manufacturing cost's effect.

Description

Mother roll changing mechanism

Technical Field

The utility model relates to a plastic wrap rewinding machine equipment technical field, more specifically says, it relates to female roll change mechanism.

Background

The preservative film has proper oxygen permeability and moisture permeability, so that the content of oxygen and moisture around the preserved food can be adjusted, and dust can be blocked, thereby prolonging the preservation period of the food. The preservative film is very popular with people due to the characteristics of convenience, economy and beautiful appearance. At present, when a factory produces preservative films, a preservative film rewinder can be used for production, and the preservative film rewinder is equipment for rewinding large paper tube preservative films onto small paper tubes through the processes of unreeling, conveying, rolling, slitting, changing rolls and the like. The small-size plastic film paper tube manufactured by the method is widely applied to various fields such as food and the like according to different materials and characteristics.

However, when the existing preservative film rewinding machine is used, after the primary roll on the machine is used up, the new primary roll needs to be manually placed on the roll changing mechanism to realize roll changing of the primary roll.

Based on the above problems, it is necessary to provide a parent roll changing mechanism capable of automatically changing a parent roll to improve the working efficiency and reduce the production cost.

SUMMERY OF THE UTILITY MODEL

To this problem in the practical application, the utility model aims to provide a female roll change of lap mechanism, concrete scheme is as follows:

the parent roll changing mechanism comprises a case and a roll changing mechanism, the roll changing mechanism is arranged on the case, an unreeling roller is arranged on the case, wherein,

the roll changing mechanism comprises a mother roll turning shaft, swing arms and mounting shafts, the mother roll turning shaft is rotationally connected to the case and driven by a turning motor, the mother roll turning shaft is provided with two swing arms, one ends of the two swing arms, far away from the mother roll turning shaft, are rotationally connected with the mounting shafts, and one of the mounting shafts is driven by a first cylinder;

a conveying belt is arranged below the reel changing mechanism and used for conveying the parent reel to the reel changing mechanism;

the machine case is provided with an inductor through a connecting frame, a controller is arranged in the machine case, the output end of the inductor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the turning motor and the input end of the first air cylinder.

Further, the scrolling motor is positioned on the inner side of the case body;

the worm wheel is arranged at one end, far away from the roll turning motor, of the primary roll turning shaft, a worm is connected to one side of the worm wheel in a meshed mode and driven by a control motor, and the worm wheel, the worm and the control motor are located on the other inner side of the case body.

Furthermore, the case is further provided with a positioning mechanism, the positioning mechanism comprises a positioning block and a second cylinder, the second cylinder is installed on the connecting frame, the positioning block is installed on an output shaft of the second cylinder, and the positioning mechanism is used for positioning the primary coil conveyed to the coil changing mechanism.

Furthermore, two positioning mechanisms are arranged and are symmetrical about a vertical central line of the case;

the output shafts of the two second air cylinders are oppositely arranged so as to drive the positioning blocks to extend towards the central position of the primary coil changing mechanism.

Further, the outer diameter of the mounting shaft is equal to the inner diameter of the mother roll.

Furthermore, a contact type sensor is arranged on the positioning block.

Compared with the prior art, the beneficial effects of the utility model are as follows: in the utility model, the mother roll is automatically conveyed to the roll changing mechanism by the conveyer belt, and is automatically fed by the roll changing mechanism, so that the automatic roll changing work of the mother roll is realized, and the continuous work of the mother roll changing is realized, thereby ensuring the continuous work of the whole rewinder, improving the work efficiency, saving the labor cost and further saving the production cost;

and, set up positioning mechanism in reel change mechanism department, carry the female book of reel change mechanism department to the conveyer belt and fix a position to guarantee reel change mechanism material loading accuracy, help preventing that the condition of deviation from appearing in the female book, thereby help further improving work efficiency, guarantee material loading quality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the working state of the present invention;

FIG. 3 is a schematic structural view of an inner side of the middle casing of the present invention;

fig. 4 is a schematic structural view of another inner side of the middle case of the present invention.

Reference numerals: 1. a chassis; 2. a roll changing mechanism; 21. a parent roll turning roll shaft; 22. swinging arms; 23. installing a shaft; 24. a roll-over motor; 25. a first cylinder; 3. unwinding the roller; 4. a conveyor belt; 5. a connecting frame; 6. an inductor; 7. a controller; 8. a worm gear; 9. a worm; 10. controlling the motor; 11. a positioning mechanism; 111. positioning blocks; 112. a second cylinder.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1 to 4, the parent roll changing mechanism includes a chassis 1 and a roll changing mechanism 2, the roll changing mechanism 2 is mounted on the chassis 1, and the chassis 1 is provided with an unwinding roller 3, wherein the roll changing mechanism 2 includes a parent roll turning shaft 21, swing arms 22 and mounting shafts 23, the parent roll turning shaft 21 is rotatably connected to the chassis 1 and driven by a turning motor 24, the parent roll turning shaft 21 is provided with two swing arms 22, one ends of the two swing arms 22 far away from the parent roll turning shaft 21 are rotatably connected to the mounting shafts 23, and one of the mounting shafts 23 is driven by a first cylinder 25; a conveyer belt 4 is arranged below the reel changing mechanism 2, and the conveyer belt 4 is used for conveying the mother reel to the reel changing mechanism 2; the machine case 1 is provided with an inductor 6 through a connecting frame 5, the machine case 1 is internally provided with a controller 7, the output end of the inductor 6 is electrically connected with the input end of the controller 7, and the output end of the controller 7 is electrically connected with the input ends of a turning motor 24 and a first air cylinder 25. Alternatively, the sensor 6 is configured as a non-contact thickness sensor 6, and the controller 7 is configured as a PLC controller 7. Thus, the working process of the primary coil changing mechanism 2 of the present invention is that, after the primary coil on the coil changing mechanism 2 is used up, the coil turning motor 24 drives the swing arm 22 to swing to the upper coil position, at this time, the sensor 6 senses the signal that the primary coil at the coil changing mechanism 2 is used up, and transmits the signal to the controller 7, the controller 7 controls the first cylinder 25 to work, and withdraws the installation shaft 23 inserted into the primary coil paper tube, the controller 7 controls the conveyer belt 4 to convey the empty primary coil that is used up to the outside, then the controller 7 controls the conveyer belt 4 to convey the new primary coil to the coil changing mechanism 2, so that the center of the primary coil paper tube corresponds to the axis of the installation shaft 23, then the first cylinder 25 drives the installation shaft 23 to insert into the primary coil paper tube, and clamps the primary coil, then the coil turning motor 24 works, and drives the swing arm 22 to swing to the primary coil to contact with the unwinding roller 3, and then the new primary coil changing work can be completed, the roll changing process can ensure the continuity of roll changing work, thereby ensuring the continuity work of the whole rewinding machine, greatly improving the work efficiency, simultaneously needing no manual roll changing, greatly saving the labor cost and having strong practicability.

The outer diameter of the mounting shaft 23 is equal to the inner diameter of the parent roll. Like this, help guaranteeing that the installation axle 23 can be stable fix female roll paper section of thick bamboo, the stability of plastic wrap when guaranteeing to change the roll.

The scrolling motor 24 is positioned at the inner side of the box body of the case 1; a worm wheel 8 is arranged at one end of the primary winding and rewinding shaft 21, which is far away from the rewinding motor 24, a worm 9 is meshed and connected with one side of the worm wheel 8, the worm 9 is driven by a control motor 10, and the worm wheel 8, the worm 9 and the control motor 10 are positioned at the other inner side of the box body of the case 1. Like this, if find the plastic wrap and have the off normal when the rewinding, usable control motor 10 drives worm 9 and rotates, and worm 9 drives worm wheel 8 and rotates and makes female book turn-up axle 21 remove along the length direction of quick-witted case 1 to the adjustment female roll position helps preventing the condition that the off normal appears in female book.

The case 1 is further provided with a positioning mechanism 11, the positioning mechanism 11 comprises a positioning block 111 and a second cylinder 112, the second cylinder 112 is installed on the connecting frame 5, the positioning block 111 is installed on an output shaft of the second cylinder 112, and the positioning mechanism 11 is used for positioning the primary coil conveyed to the coil changing mechanism 2. Two positioning mechanisms 11 are arranged, and the two positioning mechanisms 11 are symmetrical about the vertical central line of the case 1; the output shafts of the two second cylinders 112 are oppositely arranged to drive the positioning block 111 to extend towards the center of the primary reel changing mechanism 2. The positioning block 111 is provided with a touch sensor. An alternative touch sensor is provided as a pressure sensor. Thus, when the mother roll is conveyed to the roll changing mechanism 2 by the conveyor belt 4 to wait for roll changing, in order to ensure that the center of the mother roll corresponds to the axis of the mounting shaft 23, after the old mother roll is conveyed out, and in the middle time before the new mother roll is conveyed to the roll changing mechanism 2, the controller 7 controls the second air cylinder 112 to work to drive the positioning block 111 to extend towards the center position of the roll changing mechanism 2, and after the new mother roll is conveyed to be in contact with the positioning block 111, the controller 7 controls the conveyor belt 4 to stop working, so that the center of the new mother roll just corresponds to the axis of the mounting shaft 23, thereby ensuring accurate roll changing of the roll changing mechanism 2 and being beneficial to further improving the working efficiency.

The utility model discloses a concrete implementation principle does: when the mother roll on the roll changing mechanism 2 is used up, the roll turning motor 24 drives the swing arm 22 to swing to the roll feeding position, at this time, the sensor 6 senses a signal that the mother roll on the roll changing mechanism 2 is used up, the signal is transmitted to the controller 7, the controller 7 controls the first air cylinder 25 to work, the mounting shaft 23 inserted into the mother roll paper tube is retracted, the controller 7 controls the conveyer belt 4 to convey the used empty mother roll outwards, then the controller 7 controls the conveyer belt 4 to convey a new mother roll to the roll changing mechanism 2, in the middle time period, the controller 7 controls the second air cylinder 112 to work, the positioning block 111 is driven to extend towards the central position of the roll changing mechanism 2, after the new mother roll is conveyed to be in contact with the positioning block 111, the controller 7 controls the conveyer belt 4 to stop working, the center of the new mother roll just corresponds to the axis of the mounting shaft 23, and accurate roll changing of the roll changing mechanism 2 can be ensured, first cylinder 25 drives installation axle 23 and inserts the inside to female stock form section of thick bamboo after that, carries out the centre gripping to female book, turns over the work of rolling motor 24 after that, drives swing arm 22 and swings to female book and unreel cylinder 3 and contact, can accomplish new female book roll change work, the roll change in-process, can guarantee the continuity of roll change work to guarantee the continuity work of whole rewinding machine, improved work efficiency greatly, do not need artifical roll change simultaneously, the cost of labor has been saved greatly, therefore, the clothes hanger is strong in practicability.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The parent roll changing mechanism comprises a case (1) and a roll changing mechanism (2), and is characterized in that the roll changing mechanism (2) is arranged on the case (1), an unreeling roller (3) is arranged on the case (1), wherein,

the coil changing mechanism (2) comprises a mother coil turning shaft (21), swing arms (22) and a mounting shaft (23), the mother coil turning shaft (21) is rotationally connected to the case (1) and driven by a turning motor (24), the mother coil turning shaft (21) is provided with two swing arms (22), one ends of the two swing arms (22) far away from the mother coil turning shaft (21) are rotationally connected with the mounting shaft (23), and one mounting shaft (23) is driven by a first air cylinder (25);

a conveying belt (4) is arranged below the reel changing mechanism (2), and the conveying belt (4) is used for conveying the parent reel to the reel changing mechanism (2);

the novel rolling machine is characterized in that an inductor (6) is arranged on the machine case (1) through a connecting frame (5), a controller (7) is arranged in the machine case (1), the output end of the inductor (6) is electrically connected with the input end of the controller (7), and the output end of the controller (7) is electrically connected with the input ends of the rolling motor (24) and the first air cylinder (25).

2. Parent roll change mechanism according to claim 1, characterized in that the roll-up motor (24) is located inside the cabinet (1) cabinet;

keep away from on female book turning roll axle (21) the one end of turning roll motor (24) is provided with worm wheel (8), one side meshing of worm wheel (8) is connected with worm (9), worm (9) are driven by control motor (10), worm wheel (8) worm (9) with control motor (10) are located another inboard of quick-witted case (1) box.

3. The parent roll changing mechanism according to claim 1, wherein a positioning mechanism (11) is further disposed on the chassis (1), the positioning mechanism (11) includes a positioning block (111) and a second cylinder (112), the second cylinder (112) is mounted on the connecting frame (5), the positioning block (111) is mounted on an output shaft of the second cylinder (112), and the positioning mechanism (11) is configured to position the parent roll conveyed to the roll changing mechanism (2).

4. Parent roll change mechanism according to claim 3, characterized in that the positioning means (11) are provided in two, two positioning means (11) being symmetrical with respect to a vertical centre line of the cabinet (1);

the output shafts of the two second air cylinders (112) are oppositely arranged so as to drive the positioning block (111) to extend towards the central position of the primary coil changing mechanism (2).

5. Parent roll change mechanism according to claim 1, characterized in that the outer diameter of the mounting shaft (23) is of equal size to the inner diameter of the parent roll.