Preheating device of plastic bag printing machine

Abstract

The utility model relates to the technical field of plastic bag printing, in particular to a plastic bag printing machine preheating device which comprises a conveying frame, the top end of the conveying frame is fixedly connected with an upper conveying cover, the bottom end of the conveying frame is fixedly connected with a lower conveying cover, and a material guiding frame is arranged on the back face of the conveying frame. A printing machine body is arranged on the back of the material guiding frame, and one end of the conveying frame is fixedly connected with a feeding frame. According to the preheating device for the plastic bag printing machine, the conveying frame, the upper conveying cover, the lower conveying cover, the material guide frame, the printing machine body, the conveying groove, the driving unit, the conveying pressing belt and the electric heating resistance silk screen are arranged, so that the preheating operation of the plastic bag printing machine can be more stable and firmer; a worker firstly feeds a plastic bag needing to be printed from one end of the conveying frame, and then synchronously starts the driving units on the side faces of the upper conveying cover and the lower conveying cover on the upper portion and the lower portion of the conveying frame to drive the conveying pressing belts in the driving units.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic bag printing technical field, concretely is a plastic bag printing machine preheating device. BACKGROUND

[0002] Plastic printing is a kind of plastic product, can be used for packing, and fine patterns are printed on it, such as peach heart, English letters, animals, etc., to complete the finished product, which needs to go through many aspects of work, such as plating, edge folding, printing, bag making, shaking flower, packaging, plastic printing refers to a method of plastic decoration on plastic coiled material such as film, sheet, artificial leather, wallpaper, and is commonly used for flexographic printing and gravure printing, which has the same basic principle as paper printing.

[0003] For example, the patent document with the announcement number CN 215435575 U discloses a kind of fast heating's plastic bag printing machine preheating device, including base, the base is fixedly installed with support rod above, and the top of support rod and the bottom of top plate are integrally installed, and the middle position bearing of top plate is connected with rotating shaft, the outer side of driving gear is connected with blowing mechanism, and the bottom of blowing mechanism is provided with preheating mechanism, and preheating mechanism is set in the middle position of support rod, the middle of support rod is provided with fixed mechanism, the whole preheating device of this fast heating's plastic bag printing machine, in the process of working, rotating plate rotation will be up and down extrusion work to moving rod, cooperate with the setting of fixed plate in the bottom of moving rod, will make fixed plate intermittent up and down movement, complete extrusion fixed work to plastic bag, guarantee subsequent blowing heating work, and the phenomenon of plastic bag wrinkle deviation does not occur.

[0004] However, the structure in the actual use process, due to the limitation of its own structure, often only through hot air heating mode, to complete the preheating operation to plastic bag printing machine, but in the preheating process, plastic bag raw materials will appear abnormal jitter problem, which will lead to its final printing effect, at the same time, the equipment cannot fully stretch the plastic bag raw materials during preheating, it is easy to cause plastic bag to appear expansion problem due to heat, also affect the final printing effect, cannot satisfy daily use demand, therefore, it is urgent to design a kind of plastic bag printing machine preheating device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a plastic bag printing machine preheating device provides, to solve the structure in the above -mentioned background art in the actual use process, owing to the limitation of own structure, can only through the hot -blast heating mode, to complete the preheating operation to plastic bag printing machine, but in the preheating process, plastic bag raw materials will appear the problem of unusual shaking, thereby can cause its final printing effect, and the equipment cannot carry out the full stretch operation of plastic bag raw materials when preheating, and plastic bag appears telescopic problem extremely easily because of heat, also influence final printing effect, can not satisfy daily use demand problem.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a plastic bag printing machine preheating device, including conveying frame, the top of conveying frame is fixedly connected with upper conveying cover, the bottom of conveying frame is fixedly connected with lower conveying cover, the back of conveying frame is provided with guide frame, the back of guide frame is provided with printing machine body;

[0007] Feeding frame, one end of conveying frame is fixedly connected with feeding frame, the other end of conveying frame is fixedly connected with discharge frame, and the upper and lower ends of feeding frame and discharge frame are fixedly connected with contraction cover.

[0008] Preferably, one side of the feeding frame and the discharge frame is provided with a uniform gas pipe frame, and the side center of the uniform gas pipe frame is provided with a gas control pump.

[0009] Preferably, the feeding frame and the discharge frame are fixedly connected with a material conveying cone cover at the end away from each other, and the inner wall of the material conveying cone cover is provided with a limiting side slide rail on both sides.

[0010] Preferably, the inner wall of the material conveying cone cover is provided with a telescopic air bag up and down, and one end of the telescopic air bag is provided with a pressing roller.

[0011] Preferably, the inside of the conveying frame is provided with a conveying groove, and the side of the upper conveying cover and the lower conveying cover is provided with a drive unit.

[0012] Preferably, the inside of the upper conveying cover and the lower conveying cover is provided with a conveying pressure belt, and the surface of the conveying pressure belt is provided with an electric heating resistance wire mesh.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The plastic bag printing machine preheating device, through the setting of the conveying frame, the upper conveying cover, the lower conveying cover, the material guide frame, the printing machine body, the conveying groove, the drive unit, the conveying pressure belt and the electric heating resistance wire net, can make the equipment more stable and firm preheating operation of the plastic bag printing machine, in the actual use process, the staff first sends the plastic bag to be printed from one end of the conveying frame, then synchronously starts the drive unit on the side of the upper conveying cover and the lower conveying cover of the conveying frame, makes it drive the conveying pressure belt in each internal, then the conveying pressure belt carries out the inward conveying operation of the upper and lower compression of the plastic bag raw material in the conveying frame, so that the plastic bag raw material is conveyed to the material guide frame along the conveying frame, and finally enters the inside of the printing machine body to carry out the printing operation, and the electric heating resistance wire net on the surface of the conveying pressure belt can be started daily, so that the conveying pressure belt compresses the plastic bag raw material up and down, and provides more stable and sufficient preheating operation for the upper and lower surfaces of the plastic bag raw material, so that the abnormal shaking problem of the plastic bag raw material in the printing machine body is avoided, and the practicability of the equipment design is embodied.

[0015] The plastic bag printing machine preheating device, through the setting of the feeding frame, the discharging frame, the shrink cover, the air uniformizing pipe frame, the air control pump, the material conveying cone cover, the limiting side slide rail, the telescopic air bag and the compression roller, further improves the use effect of the equipment as a whole, in the daily use process, the staff can start the air control pump in the center of the air uniformizing pipe frame, so that it carries out the inflation and deflation operation in the inside of the upper and lower shrink covers of the feeding frame and the discharging frame through the air uniformizing pipe frame, so as to drive the telescopic air bag in the inside of the shrink cover, carry out the limiting sliding operation along the limiting side slide rail on the inner wall of the conveying frame, and make the compression roller at one end of the telescopic air bag abut the outlets at both ends along the material conveying cone cover, so that the subsequent preheating of the plastic bag raw material in the inside of the material conveying cone cover can keep a stable straightening state, so that the plastic bag raw material in the inside of the conveying frame can complete more uniform preheating and subsequent printing operation, and the comprehensiveness of the equipment design is embodied. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic view of the structure of the utility model;

[0017] Figure 2 It is a whole schematic view of the conveying frame structure of the utility model;

[0018] Figure 3 It is a whole schematic view of the air uniformizing pipe frame structure of the utility model;

[0019] Figure 4 It is an enlarged schematic view of the structure of A in the utility model Figure 1

[0020] ​In the figure: 1, conveying frame; 2, upper conveying cover; 3, lower conveying cover; 4, material guiding frame; 5, printing machine body; 6, feeding frame; 7, discharging frame; 8, shrink cover; 9, air uniformizing pipe frame; 10, air control pump machine; 11, material conveying cone cover; 12, limiting side slide rail; 13, telescopic air bag; 14, pressing roller; 15, conveying groove; 16, driving machine set; 17, conveying pressure belt; 18, electric heating resistance wire screen. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0022] Please refer to Figures 1-4 The present application provides an embodiment:

[0023] The plastic bag printing machine preheating device comprises a conveying frame 1, the top end of the conveying frame 1 is fixedly connected with an upper conveying cover 2, the bottom end of the conveying frame 1 is fixedly connected with a lower conveying cover 3, the back of the conveying frame 1 is provided with a material guiding frame 4, the back of the material guiding frame 4 is provided with a printing machine body 5, the inside of the conveying frame 1 is provided with a conveying groove 15, the side of the upper conveying cover 2 and the lower conveying cover 3 is provided with a driving machine set 16, the inside of the upper conveying cover 2 and the lower conveying cover 3 is provided with a conveying pressure belt 17, the surface of the conveying pressure belt 17 is provided with an electric heating resistance wire screen 18, the driving machine sets 16 on the side of the upper conveying cover 2 and the lower conveying cover 3 of the conveying frame 1 are synchronously started, so as to drive the conveying pressure belts 17 in the inside of the driving machine sets 16, then the conveying pressure belts 17 are pressed and combined to be inwardly conveyed in the upper and lower of the plastic bag raw materials in the inside of the conveying frame 1, so that the plastic bag raw materials are quickly conveyed along the conveying frame 1 to the material guiding frame 4, and finally enter the inside of the printing machine body 5 to perform printing operation.

[0024] The feeding frame 6 is fixedly connected to one end of the conveying frame 1, the other end of the conveying frame 1 is fixedly connected with a discharging frame 7, the upper and lower ends of the feeding frame 6 and the discharging frame 7 are fixedly connected with retractable covers 8, one side of the feeding frame 6 and the discharging frame 7 is provided with a uniform gas pipe frame 9, the center of the side of the uniform gas pipe frame 9 is provided with a gas control pump 10, the end of the feeding frame 6 and the discharging frame 7 away from each other is fixedly connected with a material conveying cone cover 11, the inner wall of the material conveying cone cover 11 is provided with limiting side sliding rails 12 on both sides, the inner wall of the material conveying cone cover 11 is provided with telescopic air bags 13 upwards and downwards, one end of the telescopic air bag 13 is provided with a pressing roller 14, the uniform gas pipe frame 9 is used for synchronously inflating and deflating the inside of the retractable cover 8 at the upper and lower ends of the feeding frame 6 and the discharging frame 7, so as to drive the telescopic air bag 13 in the retractable cover 8 to slide along the limiting side sliding rails 12 on the inner wall of the conveying frame 1, and the pressing roller 14 at one end of the telescopic air bag 13 is abutted to the outlet at both ends of the material conveying cone cover 11.

[0025] Working principle: in use, the user first sends the plastic bag to be printed from one end of the conveying frame 1, then synchronously starts the drive unit 16 on the side of the upper conveying cover 2 and the lower conveying cover 3 of the conveying frame 1, so as to drive the conveying pressure belt 17 in the conveying frame 1, then the conveying pressure belt 17 is used for pressing and conveying the plastic bag material in the conveying frame 1 upwards and downwards, so that the plastic bag material is quickly conveyed to the material guide frame 4 along the conveying frame 1, and finally enters the inside of the printing machine body 5 to perform printing operation, and the electric heating resistance wire screen 18 on the surface of the conveying pressure belt 17 can be started daily, so that the conveying pressure belt 17 can provide more stable and sufficient preheating operation for the upper and lower surfaces of the plastic bag material while pressing and conveying the plastic bag material, so as to ensure that the plastic bag material will not abnormally vibrate during printing in the printing machine body 5, and in the daily use process, the gas control pump 10 in the center of the uniform gas pipe frame 9 can be started, so as to synchronously inflate and deflate the inside of the retractable cover 8 at the upper and lower ends of the feeding frame 6 and the discharging frame 7 through the uniform gas pipe frame 9, so as to drive the telescopic air bag 13 in the retractable cover 8 to slide along the limiting side sliding rails 12 on the inner wall of the conveying frame 1, and the pressing roller 14 at one end of the telescopic air bag 13 is abutted to the outlet at both ends of the material conveying cone cover 11, so that the plastic bag material in the material conveying cone cover 11 can be kept in a stable straightening state during preheating and preheating, so that the plastic bag material in the conveying frame 1 can be preheated more uniformly and printed, and the above is all the working principle of the utility model.

[0026] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A preheating device for a plastic bag printing machine comprising a conveyor frame (1), characterized in that: The top end of the conveying frame (1) is fixedly connected with an upper conveying cover (2), the bottom end of the conveying frame (1) is fixedly connected with a lower conveying cover (3), the back of the conveying frame (1) is provided with a material guide frame (4), and the back of the material guide frame (4) is provided with a printing machine body (5). A feeding frame (6) is fixedly connected to one end of the conveying frame (1), a discharging frame (7) is fixedly connected to the other end of the conveying frame (1), and the upper and lower ends of the feeding frame (6) and the discharging frame (7) are fixedly connected with contraction covers (8).

2. A preheating device for a plastic bag printing machine according to claim 1, characterized in that: One side of the feeding frame (6) and the discharging frame (7) is provided with a uniform gas pipe frame (9), and the side center of the uniform gas pipe frame (9) is provided with a gas control pump (10).

3. A plastic bag printer preheating device as claimed in claim 1, wherein: The end of the feeding frame (6) and the discharging frame (7) away from each other is fixedly connected with a material conveying cone cover (11), and the inner walls of the material conveying cone cover (11) are provided with limiting side sliding rails (12) on both sides.

4. A preheating device for a plastic bag printing machine according to claim 3, characterized in that: The inner walls of the material conveying cone cover (11) are provided with telescopic air bags (13) upwards and downwards, and one end of the telescopic air bag (13) is provided with a pressing roller (14).

5. A plastic bag printer preheating apparatus as defined in claim 1, wherein: The conveying frame (1) is internally provided with a conveying groove (15), and the sides of the upper conveying cover (2) and the lower conveying cover (3) are provided with a drive unit (16).

6. A plastic bag printer preheater as defined in claim 1, wherein: The interiors of the upper conveying cover (2) and the lower conveying cover (3) are both provided with conveying pressure belts (17), and the surfaces of the conveying pressure belts (17) are provided with electric heating resistance wire meshes (18).

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