Auxiliary extruding machine for plastic film

Abstract

The utility model provides an auxiliary plastic film extruder which comprises a bottom plate, a supporting rod is fixedly connected to the rear side of the top of the bottom plate, an extrusion device is arranged at the bottom of the supporting rod, and the extrusion device comprises an air cylinder, a fixing plate, a first fixing block, a swing rod, a second fixing block, a carrying plate, a supporting plate and idler wheels. The fixing plate can be driven by the air cylinder to move downwards, the fixing plate can drive the swing rod on the outer side to move downwards together, the swing rod can drive the carrying plate and the rolling wheel to move downwards together, the rolling wheel can make contact with the plastic film firstly, then the air cylinder continues to extend, and the swing rod is unfolded outwards under the action of the hinge of the swing rod and the first fixing block. The distance between the rolling wheels can be adjusted according to films of different sizes, so that the rolling wheels can be attached to the bottom plate all the time, the rolling wheels can extrude the plastic film from the middle to the outer side, the plastic film located between the rolling wheels is in a tight state, and the film is effectively and axially flattened.

Description

Technical Field

[0001] The utility model relates to a plastic film auxiliary extruder and belongs to the technical field of plastic films. Background Art

[0002] Films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins are used for packaging and as coating layers. Plastic packaging and plastic packaging products occupy an increasingly larger share in the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical and other fields.

[0003] During the processing of plastic film, wrinkles of varying degrees often appear on the surface of the film. In order to eliminate the wrinkles generated during the film production process and effectively flatten the film axially, the film needs to be extruded. Most of the existing extrusion devices are fixed and cannot adjust the spacing and position of the extrusion components according to films of different sizes, which easily affects the extrusion effect of the film.

[0004] Therefore, a plastic film auxiliary extruder is proposed. Utility Model Content

[0005] In view of this, the utility model provides a plastic film auxiliary extruder to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the utility model is implemented as follows: a plastic film auxiliary extruder comprises a base plate, a support rod is fixedly connected to the rear side of the top of the base plate, an extrusion device is arranged at the bottom of the support rod, and the extrusion device comprises a cylinder, a fixed plate, a first fixed block, a swing rod, a second fixed block, a carrier plate, a support plate and a roller.

[0007] Further preferably, the cylinder is fixedly connected to the top of the support rod, the fixing plate is fixedly connected to the output end of the cylinder, and the first fixing block is fixedly connected to the front and rear sides of the left and right sides of the fixing plate.

[0008] Further preferably, the swing arm is movably connected to the inner side of the first fixed block through a bearing, the second fixed block is movably connected to the outer side of the lower end of the swing arm through a bearing, and the carrier plate is fixedly connected to the bottom of the second fixed block.

[0009] Further preferably, the support plate is fixedly connected to the bottom of the carrier plate, and the roller is movably connected to the inner side of the support plate via a bearing.

[0010] Further preferably, a cutting assembly is provided at the bottom of the base plate, the cutting assembly includes a slot, the slot is opened at the top of the base plate, the bottom of the base plate is fixedly connected to a shell, the rear side of the shell is fixedly connected to a servo motor, and the output end of the servo motor is fixedly connected to a threaded rod.

[0011] Further preferably, the outer surface of the threaded rod is threadedly connected to a threaded sleeve, the top of the threaded sleeve is fixedly connected to a fixed rod, the top of the fixed rod is fixedly connected to a blade, the bottom of the threaded sleeve is fixedly connected to a slider, the bottom of the inner cavity of the shell is provided with a sliding groove, and the bottom of the slider is slidably connected to the inner cavity of the sliding groove.

[0012] Further preferably, telescopic rods are fixedly connected to the four sides of the bottom of the base plate, a plurality of limiting holes are formed on the outer surface of the telescopic rods, and limiting rods are inserted into the inner cavities of the limiting holes.

[0013] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0014] 1. The utility model provides an extrusion device, and the cylinder can be used to drive the fixed plate to move downward, and the fixed plate can drive the outer swing rod to move downward together, and the swing rod can drive the carrier plate and the roller to move downward together, and the roller can first contact with the plastic film, and then continue to extend the cylinder, and the swing rod is hinged with the first fixed block to make the swing rod expand outward, and the spacing of the rollers can be adjusted according to films of different sizes, so that the rollers can always fit on the bottom plate, so that the rollers can squeeze the plastic film from the middle to the outside, so that the plastic film between the rollers is in a taut state, so that the film can be effectively flattened axially.

[0015] 2. The utility model can provide power for the extrusion device by arranging a cylinder, can cut the plastic film by arranging a cutting component, can drive the blade to move by arranging a threaded rod and a threaded sleeve, and can limit the telescopic rod by arranging a limiting hole and a limiting rod to prevent the telescopic rod from falling after being raised.

[0016] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the front structure of the main body of the utility model;

[0019] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the extrusion device of the utility model;

[0021] Figure 4 It is a schematic diagram of the cutting component structure of the utility model.

[0022] Attached figures: 1. bottom plate; 2. extrusion device; 201. cylinder; 202. fixed plate; 203. first fixed block; 204. swing rod; 205. second fixed block; 206. carrier plate; 207. support plate; 208. roller; 3. support rod; 4. cutting assembly; 401. notch; 402. housing; 403. servo motor; 404. threaded rod; 405. threaded sleeve; 406. fixed rod; 407. blade; 408. slider; 409. slide groove; 5. telescopic rod; 6. limit hole; 7. limit rod. DETAILED DESCRIPTION

[0023] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0024] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0025] Example 1

[0026] like Figure 1-4 As shown, an embodiment of the utility model provides a plastic film auxiliary extruder, wherein a support rod 3 is fixedly connected to the rear side of the top of a base plate 1, and an extrusion device 2 is arranged at the bottom of the support rod 3, and the extrusion device 2 includes a cylinder 201, a fixed plate 202, a first fixed block 203, a swing rod 204, a second fixed block 205, a carrier plate 206, a support plate 207 and a roller 208.

[0027] By setting up the extrusion device 2, the fixed plate 202 can be driven downward by the cylinder 201, and the fixed plate 202 can drive the outer swing rod 204 to move downward together, and the swing rod 204 can drive the carrier plate 206 and the roller 208 to move downward together, and the roller 208 can first contact the plastic film, and then continue to extend the cylinder 201, and the swing rod 204 is hinged with the first fixed block 203 to make the swing rod 204 expand outward, and the spacing of the rollers 208 can be adjusted according to films of different sizes, so that the rollers 208 can always fit on the bottom plate 1, so that the rollers 208 can squeeze the plastic film from the middle to the outside, so that the plastic film between the rollers 208 is in a taut state, so that the film can be effectively flattened axially.

[0028] Example 2

[0029] In one embodiment, Figure 3 As shown, the cylinder 201 is fixedly connected to the top of the support rod 3, the fixed plate 202 is fixedly connected to the output end of the cylinder 201, the first fixed block 203 is fixedly connected to the front and rear sides of the left and right sides of the fixed plate 202, the swing rod 204 is movably connected to the inner side of the first fixed block 203 through a bearing, the second fixed block 205 is movably connected to the outer side of the lower end of the swing rod 204 through a bearing, the carrier plate 206 is fixedly connected to the bottom of the second fixed block 205, the support plate 207 is fixedly connected to the bottom of the carrier plate 206, and the roller 208 is movably connected to the inner side of the support plate 207 through a bearing.

[0030] By setting the cylinder 201, power can be provided for the extrusion device 2. By setting the swing rod 204, the spacing of the rollers 208 can be adjusted by the swing of the swing rod 204. By setting the rollers 208, the plastic film can be squeezed from the middle to the outside through the rollers 208, so that the plastic film between the rollers 208 is in a taut state.

[0031] Example 3

[0032] In one embodiment, Figure 1 , Figure 2 and 4As shown, a cutting component 4 is provided at the bottom of the base plate 1, and the cutting component 4 includes a notch 401, which is opened at the top of the base plate 1, and a shell 402 is fixedly connected to the bottom of the base plate 1, and a servo motor 403 is fixedly connected to the rear side of the shell 402, and a threaded rod 404 is fixedly connected to the output end of the servo motor 403, and a threaded sleeve 405 is threadedly connected to the outer surface of the threaded rod 404, and a fixed rod 406 is fixedly connected to the top of the threaded sleeve 405, and a blade 407 is fixedly connected to the top of the fixed rod 406, and a slider 408 is fixedly connected to the bottom of the threaded sleeve 405, and a slide groove 409 is opened at the bottom of the inner cavity of the shell 402, and the bottom of the slider 408 is slidably connected to the inner cavity of the slide groove 409, and telescopic rods 5 are fixedly connected around the bottom of the base plate 1, and a plurality of limiting holes 6 are opened on the outer surface of the telescopic rod 5, and a limiting rod 7 is inserted in the inner cavity of the limiting hole 6.

[0033] By setting the cutting component 4, the plastic film can be cut, by setting the threaded rod 404 and the threaded sleeve 405, the blade 407 can be driven to move, and by setting the limiting hole 6 and the limiting rod 7, the telescopic rod 5 can be limited by the limiting rod 7 to prevent the telescopic rod 5 from falling after being raised.

[0034] When the utility model is working, first, the staff spreads the plastic film to be squeezed on the bottom plate 1, and drives the fixed plate 202 to move downward through the cylinder 201, and the fixed plate 202 can drive the outer swing rod 204 to move downward together with the first fixed block 203, and the swing rod 204 can drive the carrier plate 206, the support plate 207 and the roller 208 to move downward through the second fixed block 205, and the roller 208 can first contact with the plastic film, and then continue to extend the cylinder 201, and the swing rod 204 is hinged with the first fixed block 203 to make the swing rod 204 move downward. The outer side can be unfolded and the spacing of the rollers 208 can be adjusted according to the films of different sizes, so that the rollers 208 can always fit on the bottom plate 1, so that the rollers 208 can squeeze the plastic film from the middle to the outside, so that the plastic film between the rollers 208 is in a taut state, and then the threaded rod 404 is driven to rotate by the output end of the servo motor 403, and the threaded rod 404 drives the threaded sleeve 405 to move through the threaded connection, and drives the fixed rod 406 and the blade 407 to cut the plastic film, which brings convenience to the staff.

[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A plastic film auxiliary extruder, characterized in that: The invention comprises a bottom plate (1), the rear side of the top of the bottom plate (1) is fixedly connected to a support rod (3), the bottom of the support rod (3) is provided with an extrusion device (2), and the extrusion device (2) comprises a cylinder (201), a fixed plate (202), a first fixed block (203), a swing rod (204), a second fixed block (205), a carrier plate (206), a support plate (207) and a roller (208).

2. A plastic film auxiliary extruder according to claim 1, characterized in that: The cylinder (201) is fixedly connected to the top of the support rod (3), the fixing plate (202) is fixedly connected to the output end of the cylinder (201), and the first fixing block (203) is fixedly connected to the front and rear sides of the left and right sides of the fixing plate (202).

3. A plastic film auxiliary extruder according to claim 2, characterized in that: The swing rod (204) is movably connected to the inner side of the first fixed block (203) via a bearing, the second fixed block (205) is movably connected to the outer side of the lower end of the swing rod (204) via a bearing, and the carrier plate (206) is fixedly connected to the bottom of the second fixed block (205).

4. A plastic film auxiliary extruder according to claim 3, characterized in that: The support plate (207) is fixedly connected to the bottom of the carrier plate (206), and the roller (208) is movably connected to the inner side of the support plate (207) via a bearing.

5. A plastic film auxiliary extruder according to claim 4, characterized in that: A cutting assembly (4) is arranged at the bottom of the base plate (1), the cutting assembly (4) comprising a notch (401), the notch (401) being opened at the top of the base plate (1), the bottom of the base plate (1) being fixedly connected to a housing (402), the rear side of the housing (402) being fixedly connected to a servo motor (403), and the output end of the servo motor (403) being fixedly connected to a threaded rod (404).

6. A plastic film auxiliary extruder according to claim 5, characterized in that: The outer surface of the threaded rod (404) is threadedly connected to a threaded sleeve (405), the top of the threaded sleeve (405) is fixedly connected to a fixed rod (406), the top of the fixed rod (406) is fixedly connected to a blade (407), the bottom of the threaded sleeve (405) is fixedly connected to a slider (408), the bottom of the inner cavity of the shell (402) is provided with a slide groove (409), and the bottom of the slider (408) is slidably connected to the inner cavity of the slide groove (409).

7. A plastic film auxiliary extruder according to claim 1, characterized in that: Telescopic rods (5) are fixedly connected to the four sides of the bottom of the base plate (1); a plurality of limiting holes (6) are provided on the outer surface of the telescopic rod (5); and limiting rods (7) are inserted into the inner cavities of the limiting holes (6).

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