Packaging plastic film single-face gluing device

Abstract

The utility model relates to the technical field of packaging plastic films, in particular to a packaging plastic film single-face gluing device which comprises a supporting frame, a product guiding and stretching mechanism with a certain width is arranged on the supporting frame, and a gluing mechanism capable of transversely moving in a reciprocating mode at the uniform speed is arranged in the middle of the top of the product guiding and stretching mechanism. According to the glue spreading device, the glue is prevented from overflowing from the two sides and adhering to the other side while the glue spreading uniformity is guaranteed, the glue waste is reduced, the single-side glue spreading accuracy is guaranteed, the glue spreading efficiency is improved, and the production cost is reduced. And the subsequent edge cutting width is further shortened until the subsequent edge cutting operation is directly canceled.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing plastic film technical field, concretely is a packing plastic film single side gluing device. BACKGROUND

[0002] In the processing of packing plastic bag, in order to guarantee the thickness of plastic bag, sometimes the raw material plastic film needs to be processed by single side gluing and then adhered to another plastic film, and in the process of guaranteeing the single side gluing of plastic film, the existing technology generally adopts a glue roller to adhere and coat glue, and in the process of coating glue by the glue roller, the glue is prone to be missed, meanwhile, the glue is prone to be coated too much in some local parts, and the glue is also prone to overflow from both sides of the plastic bag and adhere to the other side, so that subsequent edge cutting operation is needed, therefore, the utility model provides a packing plastic film single side gluing device which can guarantee uniformity of coating glue, avoid glue overflow from both sides and adhere to the other side, reduce waste of glue, guarantee accuracy of single side gluing and further shorten the subsequent edge cutting width to directly cancel the subsequent edge cutting operation. SUMMARY

[0003] (I) technical problem solved

[0004] In view of the defects of the prior art, the utility model provides a packing plastic film single side gluing device which can guarantee uniformity of coating glue, avoid glue overflow from both sides and adhere to the other side, reduce waste of glue, guarantee accuracy of single side gluing and further shorten the subsequent edge cutting width to directly cancel the subsequent edge cutting operation.

[0005] (II) technical scheme

[0006] To achieve the above object, the utility model provides the following technical scheme: a packing plastic film single side gluing device, comprising a support frame, the support frame is provided with a guide flattening mechanism with a certain width, the top middle position of the guide flattening mechanism is provided with a gluing mechanism that can move laterally and uniformly, and the side of the guide flattening mechanism is provided with a glue pressing mechanism.

[0007] Preferably, the guide flattening mechanism is inclined towards the glue pressing mechanism.

[0008] Preferably, the guiding and flattening mechanism comprises two symmetrically arranged hinged strips, left and right upper guide rollers are rotatably connected to the two sides between the two hinged strips, the right upper guide roller side is close to the glue applying mechanism side, one side of the two hinged strips close to the left upper guide roller is rotatably connected to a support frame, and an elastic jacking assembly mounted on the support frame is arranged below the right upper guide roller side of the bottom of the two hinged strips, and the glue pressing and flattening mechanism comprises a flattening roller rotatably connected to the support frame, and the flattening roller is located above the right upper guide roller.

[0009] Preferably, the elastic jacking assembly comprises a vertical sliding strip vertically and slidingly fitted on the support frame, top sliding blocks in sliding contact with the bottom of the same side hinged strip are fixedly connected to the two sides of the vertical sliding strip, a support platform fixedly connected with the support frame is arranged below the vertical sliding strip, a guide vertical rod with the top fixedly connected with the vertical sliding strip is vertically and slidingly fitted on the support platform, a compression spring is sleeved on the guide vertical rod, and the two ends of the compression spring are fixedly connected with the vertical sliding strip and the support platform.

[0010] Preferably, the glue applying mechanism comprises a feeding pipe horizontally and slidingly arranged on the top of the support frame, a valve is mounted on the feeding pipe, a moving assembly driving the feeding pipe to horizontally and uniformly reciprocate is further arranged, a glue tank and a pressure pump fixedly installed on the top of the support frame are further arranged, the input end of the pressure pump is fixedly communicated with the bottom of the glue tank, and the output end of the pressure pump is fixedly communicated with the feeding pipe through a glue conveying hose.

[0011] Preferably, the moving assembly comprises a hanging frame fixedly installed on the top of the support frame, a guide sliding ring is horizontally and slidingly fitted on the outside of the hanging frame, a gear rotatably connected to the uniform speed reciprocating drive motor is arranged at the middle position of the hanging frame and extends into the middle part of the guide sliding ring, a rack fixedly installed on the two sides of the middle part of the guide sliding ring is arranged and can be engaged with the gear, and the feeding pipe is fixedly installed at the bottom of the guide sliding ring.

[0012] Preferably, a left lower guide roller is rotatably connected to the position below the left upper guide roller of the support frame.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the packaging plastic film single-sided glue applying device has the following beneficial effects:

[0015] The packaging plastic film single-side gluing device, through the guiding flattening mechanism with a certain width, facilitates the flattening of the plastic film, through the gluing mechanism above the guiding flattening mechanism, which can move laterally and uniformly, facilitates the continuous S-shaped falling of the glue on the plastic film while continuously guiding, and then through the glue flattening mechanism, the glue falling on the single side of the packaging plastic film is flattened, so that the single side is evenly glued, avoiding the overflow of the glue from the two sides, thereby reducing the waste of the glue while ensuring the accuracy of the single-side gluing, and further shortening the subsequent edge cutting width to directly cancel the subsequent edge cutting operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the wrapping packaging plastic film of the utility model;

[0017] Figure 2 It is a whole other view structure schematic view of the wrapping packaging plastic film of the utility model;

[0018] Figure 3 It is a whole structure schematic view of the non-wrapping packaging plastic film of the utility model;

[0019] Figure 4 It is a whole other view structure schematic view of the non-wrapping packaging plastic film of the utility model;

[0020] Figure 5 It is a whole other view structure schematic view of the non-wrapping packaging plastic film of the utility model.

[0021] Markings in the drawings: 1, support frame; 2, left upper guide roller; 3, right upper guide roller; 4, flattening roller; 5, left lower guide roller; 6, hinged strip; 7, top sliding block; 8, feeding pipe; 9, valve; 10, hanging bracket; 11, gear; 12, guide slip ring; 13, uniform speed reciprocating drive motor; 14, glue tank; 15, pressure pump; 16, glue conveying hose; 17, vertical sliding strip; 18, support platform; 19, guide vertical rod; 20, compression spring; 21, flattening drive motor; 22, handle. DETAILED DESCRIPTION

[0022] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment:

[0024] Please refer to Figures 1-5 A packaging plastic film single-sided gluing device, comprising a support frame 1, the support frame 1 is provided with a guide flattening mechanism with a certain width, the top middle position of the guide flattening mechanism is provided with an upper gluing mechanism which can move laterally and uniformly, one side of the guide flattening mechanism is provided with a glue flattening mechanism.

[0025] Specifically, the guide flattening mechanism is inclined upward to the side of the glue flattening mechanism, so as to avoid the glue blocking the side of the glue flattening mechanism and ensure the flattening stability of the glue flattening mechanism.

[0026] Specifically, the guide flattening mechanism comprises two symmetrically arranged hinged strips 6, the two sides between the two hinged strips 6 are respectively rotationally connected with a left upper guide roller 2 and a right upper guide roller 3, the side of the right upper guide roller 3 is close to the side of the upper gluing mechanism, one side of the two hinged strips 6 close to the left upper guide roller 2 is rotationally connected with the support frame 1, the bottom of the two hinged strips 6 is below the side of the right upper guide roller 3 and is provided with an elastic jacking assembly mounted on the support frame 1, the glue flattening mechanism comprises a flattening roller 4 rotationally connected with the support frame 1, the flattening roller 4 is above the right upper guide roller 3, the left upper guide roller 2 and the right upper guide roller 3 facilitate guiding the plastic film, the elastic jacking mechanism facilitates jacking the side of the hinged strip 6 close to the right upper guide roller 3 upward, further comprising a flattening drive motor 21 driving the flattening roller 4 to rotate, the flattening drive motor 21 is fixedly installed on the support frame 1, the flattening drive motor 21 is started to facilitate rotating the flattening roller 4, under the cooperation of the right upper guide roller 3, the plastic film is pulled and the glue is flattened at the same time.

[0027] Specifically, the elastic jacking assembly comprises a vertical sliding strip 17 vertically slidingly fitted on the support frame 1, the two sides of the vertical sliding strip 17 are fixedly connected with top sliding blocks 7 respectively in sliding contact with the bottom of the same side hinged strip 6, the lower side of the vertical sliding strip 17 is provided with a support platform 18 fixedly connected with the support frame 1, the support platform 18 is vertically slidingly fitted with a guide vertical rod 19 fixedly connected with the vertical sliding strip 17 at the top, the guide vertical rod 19 is sleeved with a compression spring 20, the two ends of the compression spring 20 are respectively fixedly connected with the vertical sliding strip 17 and the support platform 18, further, the bottom of the vertical sliding strip 17 is further fixedly connected with a handle 22, the handle 22 facilitates pulling the vertical sliding strip 17 downward, so that the compression spring 20 is further compressed, then the top sliding block 7 is facilitated to descend, and then the hinged strip 6 can rotate downward, so that the right upper guide roller 3 and the flattening roller 4 are pulled apart, thereby facilitating the penetration of the plastic film.

[0028] Specifically, the gluing mechanism comprises a feeding pipe 8 sliding transversely on the top of the support frame 1, a valve 9 is installed on the feeding pipe 8, further comprising a moving assembly driving the feeding pipe 8 to move transversely and uniformly, a glue tank 14 and a pressurizing pump 15 are fixedly installed on the top of the support frame 1, the input end of the pressurizing pump 15 is fixedly communicated with the bottom of the glue tank 14, the output end of the pressurizing pump 15 is fixedly communicated with the feeding pipe 8 through a glue conveying hose 16, by opening the valve 9 and the pressurizing pump 15, the glue in the glue tank 14 can be pressurized and pumped out, and then introduced into the feeding pipe 8 through the glue conveying hose 16, and then guided out of the feeding pipe 8 and fall on the packaging plastic film on the guiding and flattening mechanism.

[0029] Specifically, the moving assembly comprises a hanging bracket 10 fixedly installed on the top of the support frame 1, a guide sliding ring 12 is slidingly fitted on the outside of the hanging bracket 10, a gear 11 extending into the middle of the guide sliding ring 12 is rotatably connected to the hanging bracket 10 at the middle position, a rack meshable with the gear 11 is fixedly installed on both sides of the middle of the guide sliding ring 12, the feeding pipe 8 is fixedly installed on the bottom of the guide sliding ring 12, further, half of the gear 11 is provided with teeth meshable with the rack, facilitating reciprocating meshing, and further driving the guide sliding ring 12 to move transversely along the hanging bracket 10, starting the uniform reciprocating driving motor 13 to drive the gear 11 to rotate, so that the gear 11 is intermittently meshed with the racks on both sides, further driving the guide sliding ring 12 to move transversely and reciprocally, and further driving the feeding pipe 8 to move transversely and reciprocally.

[0030] Specifically, the support frame 1 is rotatably connected with a lower left guide roller 5 below the upper left guide roller 2, by the arrangement of the lower left guide roller 5, the plastic film is guided, and the flattening stability on the guiding and flattening mechanism is improved.

[0031] In use, the packaging plastic film is introduced into the guiding and flattening mechanism from the side away from the glue flattening mechanism, and then passes out from the side of the glue flattening mechanism, in the process, the packaging plastic film continuously passes through, and the glue is applied to the packaging plastic film on the guiding and flattening mechanism by the gluing mechanism, so that the glue is S-shapedly laid on the packaging plastic film, and then the glue on the packaging plastic film is flattened by the glue flattening mechanism.

[0032] It should be noted that the "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like mentioned in the specification represent that the described embodiment can include a particular feature, structure or characteristic, but not necessarily every embodiment. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when a particular feature, structure or characteristic is described in connection with an embodiment, it is within the knowledge of those skilled in the art to implement such a feature, structure or characteristic in connection with other embodiments whether explicitly described or not.

[0033] It should be readily understood that "on," "over," and "above" in the present disclosure are to be interpreted in the broadest context, such that "on" means not only "directly on" but also includes the meaning of "on" with intermediate features or layers therebetween, and "over" or "above" includes not only the meaning of "over" or "above" but also the meaning of "over" or "above" with no intermediate features or layers therebetween (i.e., directly on).

[0034] In addition, spatially relative terms, such as "beneath", "below", "lower", "above", "upper", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0035] It should be noted that, in the present document, the terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Also, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the phrase "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0036] Finally, it should be noted that the above embodiments are merely used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some or all of the technical features; and such modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for gluing one side of a packaging plastic film, characterized by: Including support frame (1), be provided with the guide flat mechanism with certain width on support frame (1), the top middle position of guide flat mechanism is provided with the upper glue mechanism that can move reciprocatingly at even speed transversely, one side of guide flat mechanism is provided with glue pressure flat mechanism.

2. The apparatus according to claim 1, wherein: The guide flat mechanism is inclined and arranged upward to the side of glue pressure flat mechanism.

3. The apparatus according to claim 2, wherein: The guide flat mechanism includes two symmetrical hinge strips (6), the two sides between two hinge strips (6) are rotatably connected with left upper guide roller (2) and right upper guide roller (3) respectively, the side of right upper guide roller (3) is close to the side of upper glue mechanism, the side of two hinge strips (6) close to left upper guide roller (2) is rotatably connected with support frame (1), the bottom of two hinge strips (6) is below right upper guide roller (3) side and is provided with elastic jacking assembly mounted on support frame (1), the glue pressure flat mechanism includes pressure roller (4) rotatably connected on support frame (1), and the pressure roller (4) is above right upper guide roller (3).

4. The apparatus according to claim 3, wherein: The elastic jacking assembly includes vertical sliding strip (17) vertically sliding on support frame (1), the two sides of vertical sliding strip (17) are fixedly connected with top sliding block (7) sliding contact with the bottom of the same side hinge strip (6) respectively, the bottom of vertical sliding strip (17) is provided with support platform (18) fixedly connected with support frame (1), the support platform (18) is vertically slidingly matched with guide vertical rod (19) fixedly connected with the top of vertical sliding strip (17), the guide vertical rod (19) is sleeved with compression spring (20), and the two ends of compression spring (20) are fixedly connected with vertical sliding strip (17) and support platform (18) respectively.

5. The apparatus according to claim 4, wherein: The upper glue mechanism includes feeding pipe (8) transversely sliding on the top of support frame (1), the valve (9) is installed on the feeding pipe (8), further includes moving assembly for driving the transversely even-speed reciprocating movement of feeding pipe (8), further includes glue tank (14) and pressure pump (15) fixedly installed on the top of support frame (1), the input end of pressure pump (15) is fixedly communicated with the bottom of glue tank (14), and the output end of pressure pump (15) and feeding pipe (8) are fixedly communicated through glue conveying hose (16).

6. The apparatus according to claim 5, wherein: The moving assembly includes hanger (10) fixedly installed on the top of support frame (1), the outer portion of hanger (10) is transversely slidingly matched with guide sliding ring (12), the middle position of hanger (10) is rotatably connected with gear (11) extending into the middle part of guide sliding ring (12) through even-speed reciprocating drive motor (13), the middle part of guide sliding ring (12) is fixedly installed with rack meshable with gear (11) on both sides, and the feeding pipe (8) is fixedly installed on the bottom of guide sliding ring (12).

7. The apparatus according to claim 6, wherein: The left lower guide roller (5) is rotatably connected on the position below left upper guide roller (2) on support frame (1).

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