CN219469160U - Packaging bag film rolling and conveying mechanism - Google Patents

Abstract

The utility model discloses a packaging bag film rolling and feeding mechanism which comprises two sliding seats arranged side by side, wherein a wind-up roller is rotatably arranged on each sliding seat, a movable driving structure capable of driving the two sliding seats to move relatively or oppositely is arranged at the rear of each sliding seat, each movable driving structure comprises a mounting table, a bidirectional screw rod, a second motor and nuts, the mounting tables are arranged on the outer sides of the sliding seats in a rotating mode, the bidirectional screw rods are rotatably arranged on the mounting tables, the second motor is used for driving the bidirectional screw rods to rotate, the nuts are symmetrically connected onto the bidirectional screw rods in a threaded mode, and the nuts are fixed with the corresponding sliding seats. The utility model discloses in be equipped with the removal drive structure that can drive two slides relative or opposite movement at the rear of slide, and then distance between two wind-up rolls of adjustable, the total thickness of wind-up roll rolling membrane equals the general of distance between two wind-up rolls, promptly when the volume of two wind-up roll rolling membranes reached can contact each other, the rolling is ended promptly, the rolling is quick and can ensure the total thickness of rolling membrane.

Description

Packaging bag film rolling and conveying mechanism

Technical Field

The utility model relates to the technical field of film winding, in particular to a packaging bag film winding and conveying mechanism.

Background

The membrane material is a composite material formed by a high-strength fabric substrate and a polymer coating, and is a material used in membrane structural engineering. The coating protects the substrate and forms a seal for the film material.

The medical packaging bag film is generally rolled by adopting a single rolling roller when being rolled, and a guide roller is arranged in front for guiding; when the winding mechanism is used, the total winding thickness of a side film is inconvenient to know, and the single-roller winding efficiency is low, so that the film winding and conveying mechanism for the packaging bags is provided.

Disclosure of Invention

The utility model aims to provide a packaging bag film rolling and feeding mechanism which solves the problems that the total rolling thickness of a side film is inconvenient to know and the rolling efficiency of a single roller is low in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wrapping bag membrane rolls up mechanism, includes two slides that set up side by side, rotate on the slide and install the wind-up roll, the rear of slide is equipped with the removal drive structure that can drive two slides relative or opposite movement.

Preferably, the movable driving structure comprises a mounting table positioned at the outer side of the sliding seat, a bidirectional screw rod rotatably mounted on the mounting table, a second motor for driving the bidirectional screw rod to rotate and nuts symmetrically connected with the bidirectional screw rod in a threaded mode, and the nuts are fixed with the corresponding sliding seat.

Preferably, a guide rod which can be parallel to the bidirectional screw rod is fixed between the two mounting tables, and passes through the nut.

Preferably, a worm wheel is fixed at one end of the wind-up roll, which is close to the sliding seat, a hollow worm is meshed below the worm wheel, a rotary convex ring is fixed at one end of the hollow worm, the rotary convex rings are rotatably installed on the sliding seat, a center shaft penetrates through the two hollow worm, two ends of the center shaft are rotatably installed on the installation table through bearings, and a rotary driving structure capable of driving the center shaft to rotate is arranged in the middle of the center shaft.

Preferably, the rotary driving structure comprises a positioning table arranged in the middle of the middle shaft, the middle shaft is rotationally connected with the positioning table through a bearing, a driven umbrella wheel is fixed in the middle of the middle shaft, a driving umbrella wheel is meshed above the driven umbrella wheel, a first motor capable of driving the driving umbrella wheel to rotate is arranged above the driving umbrella wheel, and the first motor is fixed on the positioning table through a support.

Preferably, the outer surface of the center shaft is provided with a convex rib, and the inner surface of the hollow worm is provided with a groove matched with the convex rib.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model discloses in be equipped with the removal drive structure that can drive two slides relative or opposite movement at the rear of slide, and then distance between two wind-up rolls of adjustable, the total thickness of wind-up roll rolling membrane equals the general of distance between two wind-up rolls, promptly when the volume of two wind-up roll rolling membranes reached can contact each other, the rolling is ended promptly, the rolling is quick and can ensure the total thickness of rolling membrane.

2. The two winding rollers can be driven by one motor, so that the saving is embodied.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view illustrating an inner structure of the sliding seat in FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model from the rear perspective;

FIG. 4 is a schematic view of the structure of FIG. 3 without the right slider;

FIG. 5 is a schematic view of the installation of the hollow worm of the present utility model

Fig. 6 is a schematic structural view of the hollow worm of the present utility model.

In the figure: 1. a wind-up roll; 2. a slide; 3. a worm wheel; 4. a center shaft; 5. a rib; 6. a rotary driving structure; 61. a first motor; 62. a driving umbrella wheel; 63. driven umbrella wheel; 7. a hollow worm; 71. a groove; 72. rotating the convex ring; 8. a movement driving structure; 81. a second motor; 82. a two-way screw rod; 83. a nut; 84. a guide rod; 9. a motor; 10. a mounting table; 11. and a positioning table.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, in the embodiment of the utility model, a film rolling and feeding mechanism for a packaging bag comprises two sliding seats 2 arranged side by side, a rolling roller 1 is rotatably installed on the sliding seats 2, the two rolling rollers 1 can roll simultaneously, a movable driving structure 8 capable of driving the two sliding seats 2 to move relatively or oppositely is arranged behind the sliding seats 2, and then the distance between the two rolling rollers 1 can be adjusted, wherein the total thickness of a rolling film of the rolling rollers 1 is equal to the general distance between the two rolling rollers 1, namely, when the quantity of the rolling film of the two rolling rollers 1 reaches the contact of each other, the rolling is finished;

referring to fig. 3 and 4, in the present embodiment, preferably, the moving driving structure 8 includes a mounting table 10 located at the outer side of the sliding seat 2, a bi-directional screw 82 rotatably mounted on the mounting table 10, a second motor 81 for driving the bi-directional screw 82 to rotate, and a nut 83 symmetrically screwed on the bi-directional screw 82, the nut 83 is fixed to the corresponding sliding seat 2, that is, the second motor 81 drives the bi-directional screw 82 to rotate so that the nuts 83 at both sides are close to or far away from each other to adjust the distance between the two sliding seats 2, and further, a guide bar 84 capable of being parallel to the bi-directional screw 82 is fixed between the two mounting tables 10, and the guide bar 84 passes through the nut 83, so that the guide bar 84 can guide the nut 83 to prevent the nut 83 from rotating;

in this embodiment, in order to achieve synchronous winding and unwinding of the two wind-up rolls 1, as shown in fig. 2, fig. 4, fig. 5 and fig. 6, a worm wheel 3 is fixed at one end of the wind-up roll 1 near the sliding seat 2, a hollow worm 7 is meshed below the worm wheel 3, so that when the hollow worm 7 rotates, the worm wheel 3 rotates synchronously, (and a rotating convex ring 72 is fixed at one end of the hollow worm 7, the rotating convex ring 72 is rotatably mounted on the sliding seat 2, so that when the two sliding seats 5 approach each other or separate from each other, the two hollow worm 7 can be driven to approach each other or separate from each other through the action of the rotating convex ring 72), a central shaft 4 passes through the inside of the two hollow worm 7, both ends of the central shaft 4 are rotatably mounted on the mounting table 10 through bearings, and a rotating driving structure 6 capable of driving the central shaft 4 to rotate is arranged at the middle of the central shaft 4, that is, the driving structure 6 drives the central shaft 4 to rotate, thereby rotating to drive the hollow worm 7 to rotate

As shown in fig. 4, further, in order to avoid that the hollow worm 7 cannot rotate due to slipping between the hollow worm 7 and the central shaft 4, a rib 5 is arranged on the outer surface of the central shaft 4, and a groove 71 matched with the rib 5 is arranged on the inner surface of the hollow worm 7 so as to play a role in radial positioning;

as shown in fig. 2 and 4, the rotary driving structure 6 includes a positioning table 11 disposed in the middle of the central shaft 4, and the central shaft 4 is rotatably connected with the positioning table 11 through a bearing, a driven umbrella wheel 63 is fixed in the middle of the central shaft 4, a driving umbrella wheel 62 is engaged above the driven umbrella wheel 63, a first motor 61 capable of driving the driving umbrella wheel 62 to rotate is disposed above the driving umbrella wheel 62, the first motor 61 is fixed on the positioning table 11 through a bracket, that is, the driving umbrella wheel 62 is rotated under the action of the first motor 61, and then the central shaft 4 is driven to rotate by the driven umbrella wheel 63.

The working principle and the using flow of the utility model are as follows: when the device is used, the first motor 61 is fixed on the positioning table 11 through the support, namely the active umbrella wheel 62 is rotated under the action of the first motor 61, so that the rotation of the central shaft 4 is driven by the umbrella wheel 63, the central shaft 4 is matched with the grooves 71 through the convex edges 5, so that the hollow worm 7 is rotated, the worm wheel 3 is driven to rotate, the synchronous rolling of the two rolling rolls 1 is realized, the movable driving structure 8 capable of driving the two sliding seats 2 to move relatively or oppositely is arranged behind the sliding seats 2, the distance between the two rolling rolls 1 can be adjusted, the total thickness of rolling films of the rolling rolls 1 is equal to the common distance between the two rolling rolls 1, namely when the quantity of the rolling films of the two rolling rolls 1 can be contacted with each other, the rolling is finished;

specifically, the second motor 81 drives the bidirectional screw rod 82 to rotate, so that nuts 83 on two sides are close to or far away from each other to adjust the distance between the two sliding seats 2, further, one end of the hollow worm 7 is fixed with a rotary convex ring 72, the rotary convex ring 72 is rotatably installed on the sliding seat 2, and then when the two sliding seats 5 are close to or far away from each other, the two hollow worm 7 are driven to be close to or far away from each other through the action of the rotary convex ring 72, and the hollow worm 7 moves along the direction of the central shaft 4.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a wrapping bag membrane rolls up and send mechanism which characterized in that: including two slide bases (2) that set up side by side, rotate on slide base (2) and install wind-up roll (1), the rear of slide base (2) is equipped with the removal drive structure (8) that can drive two slide bases (2) relative or opposite movement.

2. The packaging bag film rolling and feeding mechanism according to claim 1, wherein: the movable driving structure (8) comprises a mounting table (10) positioned on the outer side of the sliding seat (2), a bidirectional screw rod (82) rotatably mounted on the mounting table (10), a second motor (81) for driving the bidirectional screw rod (82) to rotate, and nuts (83) symmetrically connected to the bidirectional screw rod (82) in a threaded mode, wherein the nuts (83) are fixed with the corresponding sliding seat (2).

3. The packaging bag film rolling and feeding mechanism according to claim 2, wherein: a guide rod (84) which can be parallel to the bidirectional screw rod (82) is fixed between the two mounting tables (10), and the guide rod (84) passes through the nut (83).

4. The packaging bag film rolling and feeding mechanism according to claim 2, wherein: the wind-up roll (1) is close to one end of slide (2) and is fixed with worm wheel (3), the below meshing of worm wheel (3) has hollow worm (7), the one end of hollow worm (7) is fixed with rotatory bulge loop (72), rotatory bulge loop (72) rotate and install on slide (2), two the inside of hollow worm (7) is passed there is axis (4), the both ends of axis (4) are installed on mount table (10) through the bearing rotation, and the middle part of axis (4) is equipped with rotary drive structure (6) that can drive axis (4) rotatory.

5. The packaging bag film rolling and feeding mechanism according to claim 4, wherein: the rotary driving structure (6) comprises a positioning table (11) arranged in the middle of a center shaft (4), the center shaft (4) is rotatably connected with the positioning table (11) through a bearing, a driven umbrella wheel (63) is fixed in the middle of the center shaft (4), a driving umbrella wheel (62) is meshed with the upper side of the driven umbrella wheel (63), a first motor (61) capable of driving the driving umbrella wheel (62) to rotate is arranged above the driving umbrella wheel (62), and the first motor (61) is fixed on the positioning table (11) through a support.

6. The packaging bag film rolling and feeding mechanism according to claim 5, wherein: the outer surface of the center shaft (4) is provided with a convex rib (5), and the inner surface of the hollow worm (7) is provided with a groove (71) matched with the convex rib (5).