CN204528854U - A kind of reel plastic bag taking device - Google Patents

Abstract

The utility model relates to a reel plastic bag taking device, the structural feature of which is that the side plate, the back plate and the bottom plate are fastened to form a support base, and the first rotating shaft and the second rotating shaft are respectively locked in the first group and the second In the U-shaped slot of the group, the reel plastic bag is placed between the first rotating shaft and the second rotating shaft; the support plate formed by the upper part of the back plate and the pressing plate on the supporting plate form the cutting unit of the present utility model, and one end of the pressing plate is The pin shaft is positioned and connected with the support plate at the bottom, a return spring is provided between the handle at the other end of the pressure plate and the support plate at the bottom, a sliding cutting blade is provided between the pressure plate and the support plate, and the sliding cutting blade moves along the pressure plate and the support The guide grooves slide between the plates. The utility model has the advantages of simple structure, small and stable volume, and can conveniently cut roll plastic bags of different specifications to required lengths to realize taking.

Description

A reel plastic bag taking device

technical field

The utility model relates to a reel plastic bag taking device, in particular to a reel plastic bag taking device which can conveniently draw and cut the reel plastic bag.

Background technique

Roll plastic bags are widely used as packaging materials in production, life and scientific experiments. For example, in the research of heavy metals in environmental samples, in order to reduce the pollution of samples by heavy metals, sample bottles and other experimental instruments are generally packed in reel plastic bags of different specifications. The reel plastic bag is generally blown continuously by a blown bag machine, and then the coherent bag body is wound on a hollow reel to form finished products with different width specifications and different weights. When in use, the shaft of the fixed or movable support usually passes through the reel of the reel plastic bag, and the reel of the reel plastic bag is rotated on the support shaft by pulling, and then the plastic bag of a certain length is cut with scissors to realize taking . This way of taking is very easy because the reel rotates on the support shaft, and there is no stop device. When a pulling force is applied, the entire reel plastic bag will freely roll many times in the direction of the force, which is often more than required. The length of the plastic bag needs to be rolled back on the reel like this, causing inconvenience and trouble. In addition, it will be more troublesome to change roll plastic bags of different width specifications on the fixed support, and it is not convenient to move and use in different laboratories or different areas of the laboratory; When it is large and heavy, it may cause the stand to be unstable and bring inconvenience to use.

Contents of the invention

In view of the above, the purpose of this utility model is to provide a reel plastic bag taking device, which is simple in structure, small in size and stable, suitable for a variety of reel plastic bags with different specifications, volumes and weights, and effectively solves the problem of reel plastic bags. When the plastic bag is taken, it is rotated too much, and it is difficult to control the length of the plastic bag. It can also cut the plastic bag while extracting a certain length of plastic bag, which is convenient for the taking of the reel plastic bag.

The purpose of this utility model is achieved in that:

A reel plastic bag taking device is mainly composed of a bottom plate, a side plate, a back plate, a first rotating shaft, a second rotating shaft, a support plate, a pressing plate, a slider, a triangular blade and a guide groove. The plate and the bottom plate are fastened to form a supporting base. There are U-shaped slots on the upper ends of the side plates on both sides. The first rotating shaft and the second rotating shaft are cylinders. In the card slot and the second group of U-shaped card slots, one end of the pressure plate is positioned and connected with the support plate at the bottom through the pin shaft, and the other end of the pressure plate is the handle of the pressure plate, and a return spring is arranged between the handle and the support plate at the bottom. There is a sliding cutting blade between the support plates. The sliding cutting blade includes a slider and a triangular blade. The upper part of the triangular blade is stuck in the slot of the slider. The two sides of the triangular blade are blades. The groove in the center corresponds to the groove in the axial center of the support plate up and down to form a sliding guide groove for the sliding cutting blade. Pull it out through the gap between the support plate and the pressure plate.

Advantage of the utility model and the beneficial effect that produce are:

1. The contact area between the surface of the reel plastic bag and the first and second rotating shafts is relatively large, plus the friction between the shaft ends of the first and second rotating shafts and the U-shaped slot, so the reel When the plastic bag and the rotating shaft move relatively, the frictional force is also large. When the plastic bag is pulled horizontally from one side to a certain length, the force is stopped, and the rotation of the reel plastic bag stops immediately, thereby avoiding the rotation of the reel plastic bag. Too many problems, can effectively control the length of the plastic bag to meet the demand.

2. The first rotating shaft and the second rotating shaft are horizontally arranged in parallel, and its upper part is basically flush with the top of the base, forming an open space, and the reel plastic bag is placed directly on the two rotating shafts, so it can meet various specifications The use of reel plastic bags is very convenient for replacement.

3. The reel plastic bag taking device of the utility model is mainly composed of a stable base. Mobile usage in different regions. If the diameter of the reel plastic bag is larger and the center of gravity is higher and the reel plastic bag taking device is unstable, the second rotating shaft can be moved to the position of the third set of spare U-shaped slots, and the first rotating shaft and the second rotating shaft can be increased. The distance between the rotating shafts increases the stability of the device.

4. The reel plastic bag taking device of the utility model is provided with a plastic bag cutting unit, which can conveniently realize cutting while taking a certain length of plastic bag, which increases the versatility of the device.

5. As a preference, the base of the device, the rotating shaft and the pressure plate of the cutting unit are made of plastic, which reduces the heavy metal pollution of the device itself to the plastic bag and further reduces the pollution of the research samples.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the utility model.

Fig. 2 is a schematic diagram of the structure of the sliding cutting blade in Fig. 1.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the technical scheme of the present utility model is further described:

As shown in Figure 1-2, a reel plastic bag taking device is mainly composed of a bottom plate 1, a side plate 2, a back plate 3, a first rotating shaft 6, a second rotating shaft 7, a supporting plate 9, and a pressing plate 10. , slide block 14, triangular blade 16 and guide groove 18 form. The side plate 2, the back plate 3 and the bottom plate 1 are fastened to form a support base, and the upper ends of the side plates 2 on both sides are provided with three sets of corresponding U-shaped slots. The distance between the centers of the first group of U-shaped card slots 4 and the second group of U-shaped card slots 5 is about 10 cm, which are used to support the first rotating shaft 6 and the second rotating shaft 7 respectively, and the third group of U-shaped card slots is used as a spare . The first rotating shaft 6 and the second rotating shaft 7 are cylinders, and the shaft ends 8 on both sides are respectively stuck in the first group of U-shaped card slots 4 and the second group of U-shaped card slots 5. The support on the top of the back plate 3 There is a pressure plate 10 on the plate 9, and one end of the pressure plate 10 is positioned and connected with the support plate 9 at the bottom through a pin shaft 11. The pin shaft 11 is the rotation axis when the pressure plate 10 is lifted, and the other end of the pressure plate 10 is the handle 12 of the pressure plate. A return spring 13 is arranged between the supporting plates 9, and a sliding cutting blade is arranged between the pressing plate 10 and the supporting plates 9. The sliding cutting blade includes a slider 14 and a triangular blade 16, the upper part of the triangular blade 16 is stuck in the draw-in groove 15 of the slider 14, the two sides of the triangular blade 16 are blades 17, and the pressing plate 10 penetrates the center of the pressing plate 10 along the axial direction. The groove and the groove of the axial center of the support plate 9 correspond up and down to form a sliding guide groove 18 for the sliding cutting blade. The reel plastic bag 19 is placed on the first rotating shaft 6 and the second rotating shaft 7, and its end The pocket 20 is drawn out through the gap between the supporting plate 9 and the pressing plate 10 .

In actual application, first place the reel plastic bag taking device on the table top of the workbench, and the pressure plate 10 is lifted up by itself under the action of the return spring 13, so that a gap is formed between the pressure plate 10 and the support plate 9, and the sliding type is moved. The slider 14 of the blade moves the sliding cutting blade to one side of the guide groove 18, then the reel plastic bag 19 is placed on the first rotating shaft 6 and the second rotating shaft 7 and the end of the reel plastic bag 19 The pocket 20 is drawn out from the gap formed between the pressing plate 10 and the supporting plate 9 . Grab the end pocket 20 of the plastic bag 19 with one hand and pull it horizontally, the reel plastic bag 19 starts to rotate on the first rotating shaft 6 and the second rotating shaft 7, and the end pocket 20 passes through the support plate 9 Stop applying force when the gap between the pressing plate 10 and the pressing plate 10 is drawn to the required length, and the reel plastic bag 19 stops rotating; Press the handle 12, let the pressure plate 10 press the plastic bag on the support plate 9 and keep it still, then move the slider 14 of the sliding blade with the other hand to slide from the side of the guide groove 18 and pass the plastic bag to the guide groove 18 The other side of the slide block 14 slides and drives the blade 17 of the triangular blade 16 to cut the plastic bag. After the cutting is completed, the handle 12 is released, and the cut plastic bag can be extracted. After cutting, one end of the plastic bag is sealed by a separate sealing machine as required, and the other end is sealed after packaging to complete the production of a plastic bag.

Claims (1)

1. a reel plastic bag taking device, mainly by base plate (1), side plate (2), backboard (3), first turning cylinder (6), second turning cylinder (7), stay bearing plate (9), pressing plate (10), slide block (14), triangular blade (16) and guide groove (18) composition, side plate (2), backboard (3) and the fastening composition supporting base of base plate (1), the upper end of both sides side plate (2) has U-shaped draw-in groove, first turning cylinder (6) and the second turning cylinder (7) are cylinder, the axle head (8) of its both sides is stuck in first group of U-shaped draw-in groove (4) and second group of U-shaped draw-in groove (5), it is characterized in that one end of pressing plate (10) is located by connecting by the stay bearing plate (9) of bearing pin (11) with bottom, pressing plate (10) other end is the handle (12) of pressing plate, pull back spring (13) is provided with between the stay bearing plate (9) of handle (12) and bottom, sliding type cutting blade is provided with between pressing plate (10) and stay bearing plate (9), sliding type cutting blade comprises slide block (14) and triangular blade (16), the draw-in groove (15) that the top of triangular blade (16) is stuck in slide block (14) is inner, the both sides of triangular blade (16) are blade (17), pressing plate (10) vertically and penetrate the groove at pressing plate (10) center and the corresponding guide groove (18) that be combined into sliding type cutting blade slide upper and lower with the groove of stay bearing plate (9) axial centre, reel plastic bag (19) is seated on the first turning cylinder (6) and the second turning cylinder (7), its end sack (20) is extracted out through the gap between stay bearing plate (9) and pressing plate (10).