Shearing device for plastic bag production

Abstract

The shearing device for plastic bag production comprises a base, the base is of a concentric-square-shaped structure, connecting plates of L-shaped structures are fixedly connected to the four corners of the lower surface of the base respectively, threaded holes are formed in the middles of the lower side arms of the connecting plates, and adjusting foot cups are in threaded connection with the interiors of the threaded holes formed in the lower side arms of the connecting plates. A fixing frame of a U-shaped structure is fixedly connected to the middle of the upper surface of the base, a sliding groove is formed in the middle of the upper surface of the fixing frame, two movable frames are slidably connected to the front end and the rear end of the outer ring side of an upper side arm of the fixing frame respectively, the two movable frames are arranged in a mirror image mode, and penetrating holes corresponding to the upper side arms of the fixing frame are formed in the middles of the upper ends of the movable frames. According to the plastic bag cutting device, the position of the blade can be adjusted and fixed, the device can be adjusted according to the width of a plastic bag needing to be produced, then the effect of cutting the plastic bags of different sizes is achieved, and the plastic bags are more convenient to machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic bag production equipment technical field, concretely is a kind of shearing device for plastic bag production. BACKGROUND

[0002] Plastic bag is the indispensable article in people's daily life, often be used to pack other articles;Because its cheap, weight extremely light, capacity, it is widely used with the advantage of being convenient to store, wherein, the film of production plastic bag is generally wound on reel, according to the film of plastic bag specification is slitting cutting, to prepare subsequent plastic bag production use.

[0003] The existing plastic bag cutting device, the blade on it is fixed, the distance between the blade cannot be adjusted, so that different specifications of plastic bag cannot be cut, which brings inconvenience to cutting operation, therefore, we propose a kind of shearing device for plastic bag production. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a kind of shearing device for plastic bag production, the device can adjust and fix the position of blade, so that the equipment can be adjusted according to the width of plastic bag to be produced, and then the effect of cutting plastic bags of different sizes is achieved, so that the processing of plastic bag is more convenient, and the problems in the background art can be effectively solved.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of shearing device for plastic bag production, including base, the base is back-shaped structure, the lower surface of base four corners is respectively fixedly connected with the connecting plate of L-shaped structure, the lower side arm middle part of connecting plate is equipped with screw hole, and the inside thread of screw hole of the lower side arm of connecting plate is connected with the adjusting foot cup of the lower side arm, the upper surface middle part of base is fixedly connected with the fixed frame of U-shaped structure, the upper surface middle part of fixed frame is equipped with sliding slot, and the upper side arm outer ring side front and rear ends of fixed frame are respectively slidably connected with two movable frames, two movable frames are mirror image, the upper end middle part of movable frame is equipped with the through hole corresponding to the upper side arm of fixed frame, and the upper side of through hole middle part is fixedly connected with the sliding block corresponding to sliding slot, the upper surface front and rear ends of movable frame are respectively equipped with screw hole, and the inside thread of screw hole is connected with the positioning bolt, the lower end surface of positioning bolt and the upper end sliding slot bottom surface of fixed frame are in contact, the inner side opposite surface upper end of two movable frames is rotatably connected with cutter, and lower end is rotatably connected with the auxiliary wheel corresponding to cutter.

[0006] Further, the supporting plate is arranged to assist in supporting the plastic bag, avoiding the plastic bag from sagging during cutting, avoiding deformation of the plastic bag during cutting, and thus making the shearing device more stable during use.

[0007] Further, the supporting frame is arranged to install the external winding disc, thus making the shearing device more convenient to use.

[0008] Further, the scraper is arranged to scrape off the surface impurities of the plastic bag, avoiding damage to the cutter during shearing, and thus making the shearing device more safe to use.

[0009] Further, the throttle valve and the air pipe are arranged to blow off the surface dust of the plastic bag, avoiding the surface dust from affecting the subsequent processing of the plastic bag.

[0010] Further, the connecting piece and the auxiliary roller are arranged to assist in fixing the two ends of the sheared plastic bag, preventing the plastic bag from winding during shearing, and thus making the shearing device more safe and convenient to use.

[0011] Compared with the prior art, the shearing device for plastic bag production has the following advantages:

[0012] 1. The device can adjust and fix the position of the blade, allowing the device to adjust the width of the plastic bag produced as needed, thus achieving the effect of cutting plastic bags of different sizes and making the processing of plastic bags more convenient.

[0013] 2、The supporting plate is arranged, can assist in supporting the plastic bag, avoids the plastic bag from appearing the slack down situation when cutting, avoids the plastic bag from deforming when cutting, and then makes the stability of the shearing device when using stronger.

[0014] 3、The scraper is arranged, can scrape the sundries on the plastic bag surface, avoids the sundries on the plastic bag surface from damaging the cutter when shearing, and the throttle valve and the air pipe are arranged, can blow the dust on the plastic bag surface, avoids the dust or other sundries on the plastic bag surface from affecting the cutting and subsequent processing of the plastic bag. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is structure schematic diagram of the utility model;

[0016] Fig. 2 It is structure schematic diagram of the utility model A place.

[0017] In the drawing: 1 base, 2 fixed frame, 3 connecting plate, 4 adjusting foot cup, 5 supporting plate, 6 support frame, 7 movable frame, 8 cutter, 9 positioning bolt, 10 scraper, 11 throttle valve, 12 air pipe, 13 connecting sheet, 14 auxiliary roller. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] Please refer to Figs. 1-2 The utility model provides a kind of technical scheme: a kind of shearing device for plastic bag production, including base 1, base 1 is back shape structure, the lower surface of base 1 four corners is respectively fixedly connected with the connecting plate 3 of L-shaped structure, the lower side arm of connecting plate 3 is opened with screw hole, and the inside thread of the screw hole opened by the lower side arm of connecting plate 3 is connected with adjusting foot cup 4, the upper surface of base 1 middle part is fixedly connected with the fixed frame 2 of U-shaped structure, the upper surface of fixed frame 2 middle part is opened with sliding slot, and the upper side arm outer ring side of fixed frame 2 is slidably connected with two movable frames 7 at front and back two ends, two movable frames 7 are mirror image setting, the upper end of movable frame 7 middle part is opened with the through hole corresponding with the upper side arm of fixed frame 2, and the upper side of through hole middle part is fixedly connected with the sliding block corresponding with sliding slot, the upper surface of movable frame 7 front and back two ends is opened with screw hole, and the inside thread of screw hole is connected with positioning bolt 9, the lower end surface of positioning bolt 9 is in contact with the bottom surface of the upper end sliding slot of fixed frame 2, the inner side opposite surface upper end of two movable frames 7 is rotatably connected with cutter 8, and lower end is rotatably connected with auxiliary wheel corresponding with cutter 8.

[0020] In this embodiment, the supporting plate 5 is also included, which is a U-shaped structure, and is fixedly connected to the right side between the front and rear two sides of the base 1. The upper side of the supporting plate 5 is upward, and the corners of the supporting plate 5 are all round corner structures. The supporting plate 5 can assist in supporting the plastic bag, avoiding the plastic bag from being loose and drooping during cutting, avoiding the plastic bag from being deformed during cutting, and thus making the stability of the shearing device stronger.

[0021] In this embodiment, the supporting frame 6 is also included, which is provided with two, and is respectively installed on the upper surface of the base 1. The upper end of the supporting frame 6 is provided with a circular groove, and the upper end of the supporting frame 6 is fixedly connected with a clamping ring corresponding to the circular groove. The supporting frame 6 can be installed on the outside of the winding material disc, and thus the use of the shearing device is more convenient.

[0022] In this embodiment, the scraper 10 is also included, the front and rear ends of which are respectively fixedly connected with triangular structure connectors, and the lower surfaces of the connectors are respectively fixedly connected with the upper surfaces of the base 1. The scraper 10 is provided on the upper right side of the supporting plate 5, and is an inclined structure. The scraper 10 can scrape off the surface impurities of the plastic bag, avoiding the surface impurities of the plastic bag from damaging the cutter 8 during shearing, and thus making the use of the shearing device more secure.

[0023] In this embodiment, the throttle valve 11 and the air pipe 12 are also included. The throttle valve 11 is fixedly connected to the upper surface of the base 1. The outlet end of the throttle valve 11 is fixedly connected with a U-shaped air pipe 12. The rear end of the air pipe 12 is fixedly connected with the upper surface of the base 1. The U-shaped inner side of the air pipe 12 is provided with a linear array of air outlets. The inlet end of the throttle valve 11 is in communication with the outlet end of the external air source. The throttle valve 11 and the air pipe 12 can blow off the dust on the surface of the plastic bag, avoiding the dust on the surface of the plastic bag from affecting the subsequent processing of the plastic bag.

[0024] In this embodiment, the connecting piece 13 and the auxiliary roller 14 are also included. The connecting piece 13 is provided with four groups, and the auxiliary roller 14 is rotatably connected between the corresponding connecting pieces 13. The auxiliary roller 14 can assist in fixing the two ends of the sheared plastic bag, preventing the plastic bag from being wound during shearing, and thus making the use of the shearing device more secure and convenient.

[0025] The working principle of the shearing device for plastic bag production is as follows: the movable frame 7 is adjusted according to the size of the plastic bag to be produced, the position of the movable frame 7 is adjusted in place, then the movable frame 7 is fixed through the positioning bolt 9, then the plastic bag raw material film is firstly threaded between the auxiliary rollers 14 on the right side, then the plastic bag film is threaded between the cutter 8 and the corresponding auxiliary wheel, finally the plastic bag film is threaded between the auxiliary rollers 14 on the left side, when the external winding material disc needs to be used, the external winding material disc can be fixed to the upper end of the supporting frame 6, and the plastic bag film is wound on the winding material disc, and the plastic bag film can be cut.

[0026] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A shearing device for producing plastic bags, characterized in that: Includes a base (1), which is a U-shaped structure. L-shaped connecting plates (3) are fixedly connected to the four corners of the lower surface of the base (1). A threaded hole is provided in the middle of the lower arm of the connecting plate (3), and an adjusting foot cup (4) is threaded into the threaded hole in the lower arm of the connecting plate (3). A U-shaped fixing frame (2) is fixedly connected to the middle of the upper surface of the base (1). A sliding groove is provided in the middle of the upper surface of the fixing frame (2), and two movable frames (7) are slidably connected to the front and rear ends of the outer ring side of the upper arm of the fixing frame (2). The frame (7) is mirrored. The upper middle part of the movable frame (7) is provided with a through hole corresponding to the upper arm of the fixed frame (2). The upper side of the through hole is fixedly connected with a slider corresponding to the slide groove. The upper surface of the movable frame (7) is provided with threaded holes at the front and rear ends respectively. The threaded holes are connected with positioning bolts (9) by threads. The lower end face of the positioning bolts (9) is in contact with the bottom surface of the upper slide groove of the fixed frame (2). The upper end of the inner opposite surfaces of the two movable frames (7) is rotatably connected with cutters (8), and the lower end is rotatably connected with auxiliary wheels corresponding to cutters (8).

2. The shearing device for producing plastic bags according to claim 1, characterized in that: It also includes a tray (5), which is a U-shaped structure. The tray (5) is fixedly connected to the right side between the front and rear arms of the base (1). The upper arm of the tray (5) is upward, and the corners of the tray (5) are all rounded.

3. The shearing device for producing plastic bags according to claim 1, characterized in that: It also includes a support frame (6), of which two support frames (6) are provided. The two support frames (6) are respectively installed on the front and rear ends of the left side of the upper surface of the base (1), and the upper end of the support frame (6) is provided with a circular groove, and the upper end of the support frame (6) is fixedly connected with a retaining ring corresponding to the circular groove.

4. The shearing device for producing plastic bags according to claim 1, characterized in that: It also includes a scraper (10), with a triangular connector fixedly connected to the front and rear ends of the scraper (10), and the lower surface of the connector is fixedly connected to the front and rear ends of the upper surface of the base (1). The scraper (10) is located on the upper right side of the support plate (5), and the scraper (10) is an inclined structure.

5. A shearing device for producing plastic bags according to claim 1, characterized in that: It also includes a throttle valve (11) and an air pipe (12). The throttle valve (11) is fixedly connected to the right side of the front end of the upper surface of the base (1). The outlet end of the throttle valve (11) is fixedly connected to the U-shaped air pipe (12). The rear end of the air pipe (12) is fixedly connected to the rear side of the upper surface of the base (1). The inner side of the U-shape of the air pipe (12) is provided with air outlet holes in a linear array. The inlet end of the throttle valve (11) is connected to the outlet end of the external air source.

6. The shearing device for producing plastic bags according to claim 1, characterized in that: It also includes connecting pieces (13) and auxiliary rollers (14). The connecting pieces (13) are arranged in groups of two, and there are four groups of connecting pieces (13). The four groups of connecting pieces (13) are fixedly connected to the right side and the front and rear ends of the middle part of the base (1), respectively. The corresponding connecting pieces (13) are rotatably connected to the auxiliary rollers (14).

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