Winding mechanism for packaging bag

Abstract

The utility model provides a winding mechanism for a packaging bag, which belongs to the technical field of packaging bag production and is provided with a base, a support frame A fixedly connected and a support frame B slidably connected are arranged on the base, and a winding roller for winding the packaging bag is rotatably connected between the support frame A and the support frame B; the winding roller is fixedly installed on the rotating shaft, a deviation rectifying assembly for preventing the packaging bag from deviating is arranged below the winding roller, and the deviation rectifying assembly comprises a U-shaped plate abutting against the side face of the packaging bag and a pressing rod abutting against the outer surface of the packaging bag; the deviation rectifying assembly comprises two supporting plates fixedly installed on the base, a double-end lead screw is jointly and rotationally connected between the two supporting plates, two lead screw nuts are connected to the double-end lead screw, and U-shaped plates are fixedly installed on the top walls of the lead screw nuts; the utility model is used for solving the technical problem that the two side surfaces of a packaging bag roll are uneven due to the lack of a component for preventing the packaging bag from deviating.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of packaging bag production, and concretely relates to a winding mechanism for packaging bag. BACKGROUND

[0002] In the production process of packaging bags, a winding device is generally needed to wind them so as to facilitate subsequent processing or use.

[0003] The utility model discloses a kind of food packaging bag winding machines of application number: CN202122765304.5 (publication number: CN216037636U), including base, fixedly installed with fixed rod on base, and fixedly installed with motor on the side wall of fixed rod, fixed rod is opened with rotation hole, rotation hole is rotatably connected with rotating rod one, and rotating rod one is fixedly connected with the output end of motor, fixedly installed with fixed plate one on rotating rod one, base is installed with mounting plate by sliding mechanism, and mounting plate is rotatably connected with rotating rod two, rotating rod two is fixedly installed with fixed plate two, fixed plate one and fixed plate two are clamped with winding roller between;

[0004] Due to the rotation of machinery in the winding process, it can cause the packaging bag to deviate to both sides during winding. The above patent lacks a component to avoid the deviation of the packaging bag, which can cause unevenness on both sides of the packaging bag roll. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a winding mechanism for packaging bag, which solves the technical problem that there is no component to avoid the deviation of the packaging bag, which can cause unevenness on both sides of the packaging bag roll.

[0006] The utility model is implemented as follows:

[0007] The utility model provides a winding mechanism for packaging bag, which has a base, wherein the base is provided with a fixedly connected support frame A and a slidingly connected support frame B, a winding roller for winding packaging bags is rotatably connected between the support frame A and the support frame B.

[0008] The winding roller is fixedly installed on a rotating shaft, a deviation correcting component for preventing the deviation of the packaging bag is arranged below the winding roller, and the deviation correcting component includes a U-shaped plate abutting against the side surface of the packaging bag and a pressing rod abutting against the outer surface of the packaging bag.

[0009] On the basis of the above technical solution, the winding mechanism for packaging bag of the utility model can also be improved as follows:

[0010] Further, an installation groove is formed in the left wall of the support frame A, a driving motor A is fixedly installed in the installation groove, the output shaft of the driving motor A extends to the left, and the end is connected with the rotating shaft through a shaft coupling.

[0011] Further, a rotating groove is formed in the right wall of the support frame B, and the left end of the rotating shaft is rotatably connected in the rotating groove.

[0012] A sliding groove is formed in the top wall of the base and located at the support frame B, and the support frame B is slidably connected in the sliding groove.

[0013] Further, the deviation rectifying assembly comprises two support plates fixedly installed on the base and symmetric about the middle part of the winding roller, a double-end screw rod is rotatably connected between the two support plates, and two screw rod nuts are connected on the double-end screw rod.

[0014] The top wall of each screw rod nut is fixedly installed with the U-shaped plate, and the bottom wall of the screw rod nut abuts against the base.

[0015] Further, an arc-shaped groove is formed in the top wall of the U-shaped plate, the top end of the U-shaped plate abuts against the outer circumferential surface of the winding roller, and the pressure rod is slidably connected in the U-shaped plate.

[0016] Further, a vertically arranged sliding channel is formed in the support plate, a sliding rod is fixedly installed in the sliding channel, a sliding block in sliding connection with the sliding rod is sleeved on the outer circumferential surface of the sliding rod, and the two ends of the pressure rod are rotatably connected on the sliding blocks on the same side.

[0017] Further, a compression spring is sleeved on the sliding rod and located below the sliding block, and the two ends of the compression spring are fixedly installed on the bottom wall of the sliding channel and the bottom wall of the sliding block.

[0018] Compared with the prior art, the winding mechanism for packaging bags provided by the utility model has the beneficial effects that the deviation rectifying assembly is arranged below the winding roller, so that space is saved.

[0019] The double-end screw rod and the screw rod nut are arranged, so that the two U-shaped plates can move synchronously, the packaging bag can be wound in the middle part according to the width of the packaging bag, and deviation of the packaging bag during winding is avoided.

[0020] The pressure rod and the compression spring are arranged, so that the pressure rod can move downward according to the thickness of the packaging bag after winding, the pressure rod can always abut against the outermost packaging bag, and the packaging bag can be prevented from falling off. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Fig. 1 It is an overall front view of a winding mechanism for packaging bags;

[0023] Fig. 2 It is a support plate side view of a winding mechanism for packaging bags;

[0024] Fig. 3 It is a U-shaped plate side view of a winding mechanism for packaging bags;

[0025] In the drawings, the component list represented by each reference numeral is as follows:

[0026] 1, base; 10, sliding groove; 11, support frame A; 12, support frame B; 13, mounting groove; 14, drive motor A; 15, rotating groove; 16, telescopic cylinder; 2, winding roller; 21, rotating shaft; 3, deviation rectifying assembly; 30, drive motor B; 31, support plate; 32, double-head screw; 33, screw nut; 34, U-shaped plate; 35, arc-shaped groove; 36, pressing rod; 41, slide; 42, slide rod; 43, sliding block; 44, compression spring. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0028] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0029] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0030] In the description of the utility model, it is understood that the orientation or positional relationship indicated by 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 is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0031] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited. Embodiment 1

[0032] As shown in Figs. 1-3 The utility model provides a kind of winding mechanism for packaging bag, with base 1, wherein, base 1 is equipped with fixedly connected support frame A11 and slidingly connected support frame B12, support frame A11 and support frame B12 are rotatably connected with winding roller 2 for winding packaging bag between them;

[0033] Winding roller 2 is fixedly installed on rotating shaft 21, and deviation correction assembly 3 for preventing packaging bag deviation is arranged below winding roller 2, deviation correction assembly 3 includes U-shaped plate 34 abutting with packaging bag side and pressing rod 36 abutting with packaging bag outer surface.

[0034] Optionally, in the above technical solution, mounting groove 13 is formed in the left wall of support frame A11, and driving motor A14 is fixedly installed in mounting groove 13, the output shaft of driving motor A14 extends to left, and the end is connected with rotating shaft 21 through coupling.

[0035] Optionally, in the above technical solution, rotating groove 15 is formed in the right wall of support frame B12, and the left end of rotating shaft 21 is rotatably connected in rotating groove 15.

[0036] Sliding slot 10 is formed in the top wall of base 1 and located at support frame B12, and support frame B12 is slidingly connected in sliding slot 10.

[0037] Optionally, in the above technical scheme, the deviation rectifying assembly 3 comprises two support plates 31 fixedly installed on the base 1 and symmetrical about the middle part of the winding roller 2, a double-headed screw rod 32 is connected in common rotation between the two support plates 31, and two screw rod nuts 33 are connected to the double-headed screw rod 32.

[0038] The top wall of each screw rod nut 33 is fixedly installed with a U-shaped plate 34, and the bottom wall of the screw rod nut 33 abuts against the base 1.

[0039] Optionally, in the above technical scheme, an arc-shaped groove 35 is formed in the top wall of the U-shaped plate 34, the top end of the U-shaped plate 34 abuts against the outer circumferential surface of the winding roller 2, and a pressing rod 36 is vertically and slidably connected in the U-shaped plate 34.

[0040] Optionally, in the above technical scheme, a slide 41 is vertically formed in the support plate 31, a slide rod 42 is fixedly installed in the slide 41, a sliding block 43 is slidably sleeved on the outer circumferential surface of the slide rod 42, and the two ends of the pressing rod 36 are rotatably connected to the sliding blocks 43 on the same side.

[0041] Optionally, in the above technical scheme, a compression spring 44 is sleeved on the slide rod 42 below the sliding block 43, and the two ends of the compression spring 44 are fixedly installed on the bottom wall of the slide 41 and the bottom wall of the sliding block 43.

[0042] Further, the telescopic cylinder 16 is fixedly installed in the slide groove 10, the movable end of the telescopic cylinder 16 extends to the left, and the end is fixedly connected with the support frame B12, for driving the support frame B12 to move left and right;

[0043] Further, the driving motor B30 is fixedly installed on the base 1, the output shaft of the driving motor B30 extends to the left, penetrates the deviation rectifying assembly 3 on the left side, and is connected with the left end of the double-headed screw rod 32 through a shaft coupling, for driving the double-headed screw rod 32 to rotate;

[0044] Further, the output shaft of the driving motor A14 is detachably connected with the right rotating shaft 21.

[0045] Among them, the driving motor B30 and the driving motor A14 can be forward rotated and reverse rotated (producing clockwise rotation and counterclockwise rotation);

[0046] Among them, the two screw rod nuts 33 are opposite in internal rotation direction, and are matched with the double-headed screw rod 32 on the same side;

[0047] Among them, the elasticity of the compression spring 44 can make the pressing rod 36 always abut against the outer surface of the packaging bag.

[0048] Among them, the rotating groove 15 is a cylindrical groove matched with the rotating shaft 21, and the slide rod 42 is a square rod to prevent the sliding block 43 from rotating.

[0049] The packaging bag is located between the two U-shaped plates 34 for winding, that is, the two sides of the packaging bag are respectively in abutment with one side of the two U-shaped plates 34 which are close to each other during winding.

[0050] Working principle:

[0051] During use, the end of the packaging bag to be wound is fixed on the winding roller 2, the driving motor A 14 is started to drive the rotating shaft 21 to rotate the winding roller 2 clockwise (the left rotating shaft 21 rotates in the rotating groove 15), and the packaging bag is wound.

[0052] Before winding, the distance between the two U-shaped plates 34 is adjusted according to the width of the packaging bag, specifically, the driving motor B 30 is started to rotate the double-end screw rod 32 clockwise, the two screw rod nuts 33 are close to each other, and the width between the two U-shaped plates 34 is adapted to the width of the packaging bag, and since the arc-shaped groove 35 is arranged, the U-shaped plate 34 can abut on the outer circumferential surface of the winding roller 2, and the packaging bag is wound on the winding roller 2 and located between the two U-shaped plates 34.

[0053] During the winding of the packaging bag, the thickness of the packaging bag on the winding roller 2 gradually increases, and the two sides of the packaging bag are limited by the two U-shaped plates 34, and since the pressing rod 36 can move up and down along the slide rod 42 through the slide block 43 and the compression spring 44, the pressing rod 36 is always in abutment with the outermost bottom end of the packaging bag, so as to avoid the packaging bag from being scattered during winding.

[0054] After winding is completed, the telescopic cylinder 16 is started to make the movable end thereof elongate, drive the support frame B 12 to move left, until the left end of the rotating shaft 21 is completely separated from the rotating groove 15, then the right rotating shaft 21 is disassembled from the output shaft of the driving motor A 14, and the winding roller 2 and the rotating shaft 21 are taken out from the mechanism together with the wound packaging bag, at this time, the wound packaging bag can be taken out from the right side or the left side of the winding roller 2.

[0055] The above only describes preferred embodiments of the present application and is not used to limit the present application, and for those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A winding mechanism for packaging bags, having a base (1), characterized in that, The base (1) is provided with a fixedly connected support frame A (11) and a slidingly connected support frame B (12), and a winding roller (2) for winding the packaging bag is rotatably connected between the support frame A (11) and the support frame B (12). The winding roller (2) is fixedly installed on a rotating shaft (21), and a deviation correcting assembly (3) for preventing the packaging bag from deviating is arranged below the winding roller (2), wherein the deviation correcting assembly (3) comprises a U-shaped plate (34) abutting against the side of the packaging bag and a pressing rod (36) abutting against the outer surface of the packaging bag.

2. The winding mechanism for packaging bags according to claim 1, characterized in that A mounting groove (13) is formed in the left wall of the support frame A (11), and a driving motor A (14) is fixedly installed in the mounting groove (13), wherein the output shaft of the driving motor A (14) extends to the left and is connected to the rotating shaft (21) through a shaft coupling.

3. The winding mechanism for a packaging bag according to claim 2, wherein A rotating groove (15) is formed in the right wall of the support frame B (12), and the left end of the rotating shaft (21) is rotatably connected in the rotating groove (15). A sliding groove (10) is formed in the top wall of the base (1) and located at the support frame B (12), and the support frame B (12) is slidingly connected in the sliding groove (10).

4. The winding mechanism for packaging bags according to claim 1, wherein The deviation correcting assembly (3) comprises two support plates (31) fixedly installed on the base (1) and symmetrically arranged about the middle part of the winding roller (2), and a double-head screw rod (32) is rotatably connected between the two support plates (31), wherein two screw rod nuts (33) are connected to the double-head screw rod (32). The top wall of each screw rod nut (33) is fixedly installed with the U-shaped plate (34), and the bottom wall of the screw rod nut (33) abuts against the base (1).

5. The roll-up mechanism for packaging bags according to claim 4, wherein An arc-shaped groove (35) is formed in the top wall of the U-shaped plate (34), the top end of the U-shaped plate (34) abuts against the outer circumferential surface of the winding roller (2), and the pressing rod (36) is vertically slidingly connected in the U-shaped plate (34).

6. The roll-up mechanism for packaging bags according to claim 4, wherein A vertical sliding channel (41) is formed in the support plate (31), a sliding rod (42) is fixedly installed in the sliding channel (41), a sliding block (43) is sleeved on the outer circumferential surface of the sliding rod (42) in a sliding manner, and the two ends of the pressing rod (36) are rotatably connected to the sliding blocks (43) on the same side.

7. The roll-up mechanism for packaging bags according to claim 6, characterized in that A compression spring (44) is sleeved on the sliding rod (42) below the sliding block (43), and the two ends of the compression spring (44) are fixedly installed on the bottom wall of the sliding channel (41) and the bottom wall of the sliding block (43).

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