A production equipment for packaging bag film lamination

Abstract

The invention discloses a production device for packaging bag film composite, which relates to the technical field of film composite machinery, and comprises a first film supply device and a gluing device; the gluing device comprises a bracket, a glue groove, a glue application roller, a glue introduction roller and a glue adding tube; and also comprises a temperature control device; the temperature control device comprises a threading tube, a roller cavity, a spiral tube, a temperature supply component, and a temperature return component, the threading tube contacts the glue in the glue groove; the threading tube, the spiral tube, the glue application roller, the glue introduction roller and the glue adding tube are all made of heat-conducting materials; the invention has the advantages that a cold flow or a hot flow is introduced into the threading tube, the roller cavity and the spiral tube at the same time by the temperature supply component, and the temperature of the glue in the glue groove, the roller surface of the glue application roller, the roller surface of the glue introduction roller and the inside of the glue adding tube can be adjusted through temperature conduction, the adjustment aspects are more comprehensive, the temperature control effect of the glue to be applied is good, so as to improve the effect of the glue adhering to the first film; and the temperature adjustment method is simple.

Description

Technical Field

[0001] The present invention relates to the technical field of film composite machinery, and more specifically to a production device for composite packaging bag films. Background Art

[0002] Composite equipment for packaging bag film production generally refers to combining two or more film materials of different properties through certain process technologies (such as dry composite, wet composite, solvent-free composite, etc.) to improve the performance of a single material, thereby producing a composite film with better barrier properties, heat sealing properties, mechanical strength and other properties; The existing film composite equipment "such as application number: CN201821406951.9, a composite packaging bag making device" is shown in the operation of laminating a coded film with another film, wherein a "gluing device" is used to glue one of the films; The existing gluing device is as shown in "Application No.: CN201820217942.9, a gluing device for a protective film" and "Application No.: CN201720273656.X, a double-roller gluing device for a laminating machine"; the gluing device for the protective film, as described in: "The temperature control device includes a heating device and a cooling device. When the slurry temperature is too low in winter, the temperature control device can be controlled to heat the slurry, and production can be carried out when it is heated to a suitable temperature; when the slurry temperature is too high in summer and the viscosity is insufficient, the temperature control device can be operated to cool the slurry to increase the viscosity"; The gluing device for the protective film mentioned above improves the adhesion effect during gluing by adjusting the appropriate temperature, but this only adjusts the temperature of the position where the glue groove is placed. The process of adding glue liquid to the glue groove and guiding the glue liquid in the glue groove will change the temperature of the glue, and there is also the disadvantage of poor adhesion effect during gluing. Summary of the invention

[0003] The purpose of the present invention is to solve the above technical problems and provide a production equipment for packaging bag film compounding.

[0004] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions: The present invention provides a production device for packaging bag film lamination, comprising: A first film supply device for supplying a first film; A glue application device for applying glue to one side of the first film; The glue application equipment comprises a bracket, a glue tank fixed on the bracket, a glue application roller and a glue introduction roller rotatably mounted on the bracket, and a glue adding tube fixed to the glue tank, and the glue application roller partially extends into the glue tank; It also includes a temperature control device for adjusting the temperature of the glue in the glue tank, the roller surface of the glue application roller, the roller surface of the glue introduction roller and the glue filling pipe; The temperature control device includes a through-tube penetrating both sides of the glue tank, a roller cavity respectively connecting the two roller ends of the glue application roller and the glue introduction roller, a spiral tube attached to the outside of the glue adding tube, a temperature supply component connected to the through-tube, the roller cavity and one end of the spiral tube to provide cold flow or hot flow therein, and a temperature return component connected to the through-tube, the roller cavity and the other end of the spiral tube to discharge the cold flow or hot flow therein, and the through-tube contacts the glue in the glue tank; The threading tube, spiral tube, glue-applying roller, glue-guiding roller and glue-adding tube are all made of heat-conducting materials.

[0005] As a preferred technical solution of the present invention, the heating component includes a first branch pipe fixedly mounted on a bracket, a heating pipe, a cooling pipe, a first inlet pipe, a second inlet pipe and a third inlet pipe, one end of which is respectively connected to the outside of the first branch pipe, a first regulating valve respectively connected and installed between the heating pipe and the cooling pipe, and a first rotating joint installed at the other end of the first inlet pipe; The other end of the first inlet pipe is connected and fixed with one end of the spiral pipe, the first rotary joint is connected and fixed with one end of the roller cavity, and the other end of the third inlet pipe is connected and fixed with one end of the through pipe.

[0006] As a preferred technical solution of the present invention, the heating component also includes a second regulating valve installed in communication between the first inlet pipes.

[0007] As a preferred technical solution of the present invention, the temperature recovery component includes a second branch pipe fixedly mounted on the bracket, a heat recovery pipe having one end connected and fixed to the outside of the second branch pipe, a cold recovery pipe, a first outlet pipe, a second outlet pipe and a third outlet pipe, a third regulating valve connected and installed between the heat recovery pipe and the cold recovery pipe, and a second rotary joint installed at the other end of the first outlet pipe; The other end of the first outlet pipe is connected and fixed with the other end of the spiral pipe, the second rotary joint is connected and fixed with the other end of the roller cavity, and the other end of the third outlet pipe is connected and fixed with the other end of the through pipe.

[0008] As a preferred technical solution of the present invention, the glue application roller and the glue introduction roller have the same structural composition.

[0009] As a preferred technical solution of the present invention, the glue-applying roller includes an outer roller, an inlet roller tube and an outlet roller tube respectively connected and fixed at the two roller ends of the outer roller, an inner roller arranged inside the outer roller, a connecting block fixed between the inside of the outer roller and the outside of the inner roller, and a conical protrusion fixed in the center of the roller end of the inner roller, and an annular cavity connecting the inlet roller tube and the outlet roller tube is formed between the outer roller and the inner roller.

[0010] As a preferred technical solution of the present invention, the gluing device further comprises: A traction mechanism for guiding the first film to be transported and driving the first film to contact the rubber guiding roller; A driving mechanism used to drive the glue application roller and the glue guide roller to rotate in opposite directions.

[0011] As a preferred technical solution of the present invention, the gluing device further comprises a stirring mechanism fixedly mounted on the glue tank, the stirring mechanism is connected to the driving mechanism and operates to mix the glue in the glue tank.

[0012] As a preferred technical solution of the present invention, the stirring mechanism includes a rotating rod passing through the opposite sides of the glue groove, and multiple groups of stirring blades evenly fixed on the outside of the rotating rod. The rotating rod is rotatably connected to the glue groove, and one end of the rotating rod is fixed to the output end of the driving mechanism.

[0013] As a preferred technical solution of the present invention, it also includes: A drying device for drying the glue on the first film; A second film supply device for providing a second film, wherein the second film is arranged opposite to the side of the first film coated with the glue; A composite device is used for bonding the first film and the second film to form a composite film.

[0014] The beneficial effects of the present invention are as follows: By introducing cold flow or hot flow into the through-tube, roller cavity and spiral tube at the same time through the temperature supply component, the temperature of the glue in the glue groove, the roller surface of the glue application roller, the roller surface of the glue introduction roller and the inside of the glue adding tube can be adjusted through the temperature conduction. The adjustment is more comprehensive and the temperature of the glue to be applied is well controlled to improve the effect of glue adhering to the first film; and the temperature adjustment method is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a structural schematic diagram of the gluing device of the present invention; Figure 3 yes Figure 2 A schematic diagram of the cross-sectional structure of; Figure 4 yes Figure 3 A schematic diagram of a partial structure thereof; Figure 5 yes Figure 3 Another partial structural schematic diagram of .

[0016] Reference numerals: first film supply device-a, gluing device-b, drying device-c, second film supply device-d, compounding device-e, temperature control device-f; Bracket-b1, glue groove-b2, glue application roller-b3, glue guiding roller-b4, glue adding tube-b5, traction mechanism-b6, driving mechanism-b7, stirring mechanism-b8; Outer roller-b31, inlet roller tube-b32, outlet roller tube-b33, inner roller-b34, connecting block-b35, cone convex block-b36; Telescopic driver-b61, U-shaped rod-b62, movable plate-b63, movable cavity-b64, guide roller-b65, first rotary driver-b66, first support plate-b67, rolling element-b68; Backing plate-b71, second rotation driver-b72, first gear-b73, second gear-b74, third gear-b75; Rotating rod-b81, stirring blade-b82; Pipe threading-f1, roller cavity-f2, spiral tube-f3, heating component-f4, temperature return component-f5; The first branch pipe f41, the heating pipe f42, the cooling pipe f43, the first regulating valve f44, the first inlet pipe f45, the second inlet pipe f46, the first rotary joint f47, the third inlet pipe f48, the second regulating valve f49; The second branch pipe - f51, the heat return pipe - f52, the cold return pipe - f53, the third regulating valve - f54, the first outlet pipe - f55, the second outlet pipe - f56, the second rotary joint - f57, and the third outlet pipe - f58. DETAILED DESCRIPTION

[0017] like Figures 1 to 5 As shown, the present invention proposes: a production device for packaging bag film lamination, comprising: A first film supply device a for supplying a first film; A gluing device b for applying glue to one side of the first film; Also includes a drying device c for drying the glue on the first film; A second film supply device d for supplying a second film, wherein the second film is arranged opposite to the side of the first film coated with the glue; A composite device e for bonding the first film and the second film to form a composite film; It also includes a controller and a curing and maturing device (not shown in the figure). The controller is a PLC controller that is connected to an external power supply to power the electrical components. The resulting composite film needs to be processed through the curing and maturing device to ensure quality.

[0018] The specific structure of the gluing device b is as follows: The glue application device b comprises a bracket b1, a glue groove b2 fixedly mounted on the bracket b1, a glue application roller b3 and a glue introduction roller b4 rotatably mounted on the bracket b1, and a glue adding tube b5 fixedly connected to the glue groove b2, wherein the glue application roller b3 partially extends into the glue groove b2; the glue groove b2 is fixedly mounted at the bottom end of the inner side of the bracket b1, the glue application roller b3 and the glue introduction roller b4 are sequentially located directly above the glue groove b2, a glue adding tube b5 is connected and fixed to the side of the glue groove b2, one end of the glue adding tube b5 is connected to an external glue supply device (not shown in the figure), and the other end of the glue adding tube b5 extends into the glue groove b2, the glue supply device adds glue to the glue groove b2, the glue application roller b3 contacts the glue in the glue groove b2 and adheres to the glue introduction roller b4 by rotation; the glue supply device can be a pump (such as a diaphragm pump) that uses a tube to pump external glue into the glue adding tube b5; It also includes a temperature control device f for adjusting the temperature of the glue in the glue groove b2, the roller surface of the glue application roller b3, the roller surface of the glue introduction roller b4 and the glue adding tube b5; The temperature control device f includes a through pipe f1 penetrating through both sides of the glue groove b2, a roller cavity f2 respectively connected to the two roller ends of the glue application roller b3 and the glue introduction roller b4, a spiral tube f3 attached to the outside of the glue adding tube b5, a temperature supply component f4 connected to the through pipe f1, the roller cavity f2 and one end of the spiral tube f3 to provide cold flow or hot flow therein, and a temperature return component f5 connected to the through pipe f1, the roller cavity f2 and the other end of the spiral tube f3 to discharge the cold flow or hot flow therein, and the through pipe f1 contacts the glue in the glue groove b2; It also includes a device that generates a hot flow or a cold flow (not shown in the figure), the cold and hot flow can be cold and hot water or cold and hot air, the device that generates hot air can be a hot air blower, and the device that generates cold air can be a refrigeration component of a refrigerator or air conditioner; the above-mentioned heating component f4 is connected to the outlet of the device that generates cold and hot air, and the temperature return component f5 can also be connected to the air inlet of the device that generates cold and hot air to provide energy recycling or direct discharge; The threading tube f1, spiral tube f3, glue-applying roller b3, glue-leading roller b4 and glue-adding tube b5 are all made of heat-conducting materials, which can be stainless steel; The temperature supply component f4 simultaneously introduces cold flow or hot flow into the through-tube f1, roller cavity f2 and spiral tube f3. The temperature of the glue in the glue groove b2, the roller surface of the glue application roller b3, the roller surface of the glue introduction roller b4 and the inside of the glue adding tube b5 can be adjusted through temperature conduction. The adjustment is more comprehensive and the temperature of the glue to be applied is effectively controlled, so as to improve the effect of glue adhesion to the first film.

[0019] Furthermore, the specific structure of the heating component f4 is as follows: The heating assembly f4 includes a first branch pipe f41 fixedly mounted on the bracket b1, a heating pipe f42, a cooling pipe f43, a first inlet pipe f45, a second inlet pipe f46 and a third inlet pipe f48, a first regulating valve f44 respectively connected and installed between the heating pipe f42 and the cooling pipe f43, and a first rotating joint f47 installed at the other end of the first inlet pipe f45. The first regulating valve f44 can be an electric butterfly valve or an electric ball valve. The other end of the first inlet pipe f45 is connected and fixed to one end of the spiral pipe f3, the first rotary joint f47 is connected and fixed to one end of the roller cavity f2, and the other end of the third inlet pipe f48 is connected and fixed to one end of the through pipe f1; By installing a set of first regulating valves f44 between the heating pipe f42 and the cooling pipe f43, the heating pipe f42 and the cooling pipe f43 are respectively connected to the above-mentioned devices for generating heat flow or cold flow, and the cold flow or heat flow flows into the first branch pipe f41, respectively passes through the first inlet pipe f45, the second inlet pipe f46 and the third inlet pipe f48 for branching, and respectively enters the penetration pipe f1, the roller cavity f2 and the spiral pipe f3 for temperature transfer; The first rotary joint f47 (i.e., rotary joint) is a closed rotary connector for 360° rotating medium conveying; the first rotary joint f47 is connected to the rotating glue roller b3 and the glue guide roller b4 to provide a closed transfer of hot flow or cold flow to the roller cavity f2; The heating component f4 also includes a second regulating valve f49 connected and installed between the first inlet pipe f45. The second regulating valve f49 can be an electric butterfly valve or an electric ball valve. When glue does not need to be added, it can be closed to block the heat flow or cold flow transfer of the first inlet pipe f45 to reduce waste.

[0020] Furthermore, the specific structure of the temperature recovery component f5 is as follows: The temperature recovery component f5 includes a second branch pipe f51 fixedly mounted on the bracket b1, a heat recovery pipe f52 whose one end is respectively connected to the outside of the second branch pipe f51, a cold recovery pipe f53, a first outlet pipe f55, a second outlet pipe f56 and a third outlet pipe f58, a third regulating valve f54 respectively connected and installed between the heat recovery pipe f52 and the cold recovery pipe f53, and a second rotary joint f57 installed at the other end of the first outlet pipe f55; The other end of the first outlet pipe f55 is connected and fixed to the other end of the spiral pipe f3, the second rotary joint f57 is connected and fixed to the other end of the roller cavity f2, and the other end of the third outlet pipe f58 is connected and fixed to the other end of the through pipe f1; The second rotary joint f57 (i.e., rotary joint) is a closed rotary connector that can rotate 360° to convey the medium; the third regulating valve f54 can be an electric butterfly valve or an electric ball valve; The structure and use of the temperature recovery component f5 are the same as those of the above-mentioned heating component f4 except for the second regulating valve f49. The first outlet pipe f55 is connected to the discharge end of the spiral tube f3, the second outlet pipe f56 is connected to the discharge end of the roller chamber f2 via the second rotary joint f57, and the third outlet pipe f58 is connected to the discharge end of the through pipe f1, so that the water flows into the second branch pipe f51 for centralized flow, and then discharged collectively by the heat recovery pipe f52 and the cold recovery pipe f53 accordingly.

[0021] Furthermore, the specific structure of the glue roller b3 is as follows: The glue-applying roller b3 comprises an outer roller b31, an inlet roller tube b32 and an outlet roller tube b33 respectively connected and fixed at two roller ends of the outer roller, an inner roller b34 arranged inside the outer roller b31, a connecting block b35 fixed between the inside of the outer roller b31 and the outside of the inner roller b34, and a conical convex block b36 fixed at the center of the roller end of the inner roller b34. An annular cavity connected to the inlet roller tube b32 and the outlet roller tube b33 is formed between the outer roller b31 and the inner roller b34. The roller tubes b33 are symmetrically fixed at the two roller ends of the outer roller b31. The roller tubes b33 also serve as a rotating shaft and penetrate the bracket b1 through bearings and other rotating parts for rotational connection. An inner roller b34 is centrally arranged on the inner side of the outer roller b31 and multiple connecting blocks b35 are evenly distributed between them for connection and fixation. The annular cavity formed between the outer roller b31 and the inner roller b34 is connected with the roller tube b33 (this connecting cavity is the roller cavity f2 mentioned above). The two groups of roller tubes b33 are respectively fixed to the first rotary joint f47 and the second rotary joint f57 to provide a circulation effect of hot flow or cold flow. This structure allows the hot flow or cold flow to flow evenly and closely in contact with the inner side surface of the outer roller b31, so as to improve the efficiency and uniformity of temperature transfer. like Figures 3-5 As shown, the conical bump b36 is cone-shaped and centered at the roller end of the inner roller b34. When the hot flow or cold flow flows toward the roller end of the inner roller b34, an annular flow diversion and diffusion can be performed to reduce the impact and improve the uniformity of the annular flow.

[0022] like Figure 3 As shown, the structures of the glue-applying roller b3 and the glue-leading roller b4 are the same. Figure 2 As shown, the difference is that the glue application roller b3 is larger (but the sizes of the glue application roller b3 and the glue guiding roller b4 can also be the same).

[0023] In addition to the partial structure of the aforementioned gluing device b, another specific structure is also included as follows: It also includes a traction mechanism b6 for guiding the first film to be transported and driving the first film to contact the rubber guiding roller b4; The traction mechanism b6 includes a telescopic driver b61 fixed on the bracket b1, a U-shaped rod b62 fixed to the output end of the telescopic driver b61, two groups of movable plates b63 symmetrically fixed to the bottom ends of the U-shaped rod b62, an active cavity b64 provided on the bracket b1, a guide roller b65 rotatably installed between the two groups of movable plates b63, a first rotary driver b66 fixed to one roller end of the guide roller b65, a first support plate b67 fixed to the outside of the first rotary driver b66, and a rolling member b68 fixed to the movable plate b63, the movable plate b63 is provided with a guide groove in the active cavity b64, and the movable plate b63 moves in contact with the guide groove through the rolling member b68, and the first support plate b67 is fixed to the movable plate b63 outside; The telescopic driver b61 may be a cylinder or an electric push rod, the first rotary driver b66 may be a servo motor, and the rolling element b68 may be a universal ball bearing; The telescopic driver b61 is installed on the top of the bracket b1, and the output end of the telescopic driver b61 is fixedly connected to the U-shaped rod b62 vertically downward, and the front and rear bottom ends of the U-shaped rod b62 are respectively fixed with movable plates b63, and movable cavities b64 are symmetrically arranged at the front and rear positions of the bracket b1 for the movable plates b63 to be placed and moved. A guide roller b65 is arranged between the front and rear groups of movable plates b63, and the front and rear roller ends of the guide roller b65 respectively penetrate the movable plates b63 and are rotatably connected through rotating parts such as bearings. The operation of the telescopic driver b61 can drive the guide roller b65 to move up and down to adjust the upper and lower height positions. The first film is attached to the bottom end of the guide roller b65 for transmission. When adjusting the height, the first film is close to the top of the glue-leading roller b4 to adhere glue, and the rolling parts b68 symmetrically fixed at the left and right ends of the movable plate b63 are attached (such as Figures 4 and 5 ) is in the guide groove in the movable cavity b64, thereby providing guiding support and improving the stability of the movable plate b63.

[0024] It also includes a driving mechanism b7 for driving the glue application roller b3 and the glue guide roller b4 to rotate in opposite directions relative to each other; The driving mechanism b7 includes a backing plate b71 fixedly mounted on the bracket b1, a second rotary driver b72 fixedly mounted on the backing plate b71, a first gear b73 fixed to the output end of the second rotary driver b72, a second gear b74 meshing with the first gear b73, and a third gear b75 meshing with the second gear b74, the second gear b74 fixedly mounted on the roller end of the glue-applying roller b3, and the third gear b75 fixedly mounted on the roller end of the glue-drawing roller b4; The second rotary driver b72 may be a servo motor, the second gear b74 is fixed around the outlet roller tube b33 of the glue application roller b3, the third gear b75 is fixed around the outlet roller tube b33 of the glue drawing roller b4, when the second rotary driver b72 is running, it can drive the first gear b73 to rotate, and then drive the second gear b74 and the third gear b75 which are meshed with each other to rotate in the opposite direction, that is, drive the glue application roller b3 and the glue drawing roller b4 to rotate in the opposite direction relative to each other.

[0025] The gluing device b also includes a stirring mechanism b8 fixed on the glue tank b2, the stirring mechanism b8 is connected to the driving mechanism b7 and operates, and is used to mix the glue in the glue tank b2 and stir the glue with adjusted temperature, so as to improve the overall temperature uniformity, and the stirring mechanism b8 will not contact the penetration pipe f1 when operating; The stirring mechanism b8 includes a rotating rod b81 penetrating two opposite sides of the glue groove b2, and a plurality of stirring blades b82 evenly fixed on the outer side of the rotating rod b81. The rotating rod b81 is rotatably connected to the glue groove b2, and one end of the rotating rod b81 is fixed to the output end of the driving mechanism b7. like Figures 3-5 As shown, one end of the rotating rod b81 is fixed to the rotation center of the first gear b73, and the other end of the rotating rod b81 is inserted into the glue groove b2. Rotating parts such as bearings are used for rotation support at the penetration position, and mechanical seals and other components are used to seal the rotation position to prevent glue from escaping. When the first gear b73 rotates, the rotating rod b81 can be driven to rotate synchronously and the stirring blades b82 can rotate to stir the glue evenly, and the linkage is good.

[0026] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and wiring layout in detail.

[0027] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A production equipment for packaging bag film lamination, comprising: A first film supply device (a) for supplying a first film; A gluing device (b) for applying glue to one side of the first film; The glue application device (b) comprises a support (b1), a glue groove (b2) fixedly mounted on the support (b1), a glue application roller (b3) and a glue introduction roller (b4) rotatably mounted on the support (b1), and a glue adding tube (b5) fixedly connected to the glue groove (b2), wherein a portion of the glue application roller (b3) extends into the glue groove (b2); It is characterized in that It also includes a temperature control device (f) for adjusting the temperature of the glue in the glue groove (b2), the roller surface of the glue application roller (b3), the roller surface of the glue introduction roller (b4) and the glue adding tube (b5); The temperature control device (f) comprises a through pipe (f1) penetrating through both sides of the glue groove (b2), a roller cavity (f2) respectively connected to the two roller ends of the glue application roller (b3) and the glue introduction roller (b4), a spiral tube (f3) attached to the outside of the glue adding tube (b5), a heating component (f4) connected to the through pipe (f1), the roller cavity (f2) and one end of the spiral tube (f3) to provide cold flow or hot flow therein, and a temperature return component (f5) connected to the through pipe (f1), the roller cavity (f2) and the other end of the spiral tube (f3) to discharge the cold flow or hot flow therein, and the through pipe (f1) contacts the glue in the glue groove (b2); The threading tube (f1), spiral tube (f3), glue-applying roller (b3), glue-guiding roller (b4) and glue-adding tube (b5) are all made of heat-conducting materials.

2. The packaging bag film composite production equipment according to claim 1, characterized in that: The heating component (f4) comprises a first branch pipe (f41) fixedly mounted on a bracket (b1), a heating pipe (f42) whose one pipe end is respectively connected to the outside of the first branch pipe (f41), a cooling pipe (f43), a first inlet pipe (f45), a second inlet pipe (f46) and a third inlet pipe (f48), a first regulating valve (f44) respectively connected and installed between the heating pipe (f42) and the cooling pipe (f43), and a first rotating joint (f47) installed at the other pipe end of the first inlet pipe (f45); The other end of the first inlet pipe (f45) is connected and fixed to one end of the spiral pipe (f3), the first rotary joint (f47) is connected and fixed to one end of the roller cavity (f2), and the other end of the third inlet pipe (f48) is connected and fixed to one end of the through pipe (f1).

3. The packaging bag film composite production equipment according to claim 2, characterized in that: The heating component (f4) further includes a second regulating valve (f49) which is connected and installed between the first inlet pipe (f45).

4. The packaging bag film composite production equipment according to claim 3, characterized in that: The temperature recovery component (f5) comprises a second branch pipe (f51) fixedly mounted on the bracket (b1), a heat recovery pipe (f52) whose one pipe end is respectively connected to the outside of the second branch pipe (f51), a cold recovery pipe (f53), a first outlet pipe (f55), a second outlet pipe (f56) and a third outlet pipe (f58), a third regulating valve (f54) respectively connected and installed between the heat recovery pipe (f52) and the cold recovery pipe (f53), and a second rotary joint (f57) installed at the other pipe end of the first outlet pipe (f55); The other end of the first outlet pipe (f55) is connected and fixed to the other end of the spiral pipe (f3), the second rotary joint (f57) is connected and fixed to the other end of the roller cavity (f2), and the other end of the third outlet pipe (f58) is connected and fixed to the other end of the through pipe (f1).

5. The packaging bag film composite production equipment according to claim 1, characterized in that: The glue application roller (b3) and the glue guide roller (b4) have the same structural composition.

6. The packaging bag film composite production equipment according to claim 5, characterized in that: The glue-applying roller (b3) comprises an outer roller (b31), an inlet roller tube (b32) and an outlet roller tube (b33) respectively connected and fixed at the two roller ends of the outer roller, an inner roller (b34) arranged inside the outer roller (b31), a connecting block (b35) fixed between the inside of the outer roller (b31) and the outside of the inner roller (b34), and a conical protrusion (b36) fixed in the center of the roller end of the inner roller (b34); an annular cavity connecting the inlet roller tube (b32) and the outlet roller tube (b33) is formed between the outer roller (b31) and the inner roller (b34).

7. The packaging bag film composite production equipment according to claim 1, characterized in that: The gluing device (b) further comprises: A traction mechanism (b6) for guiding the first film to be transported and driving the first film to contact the rubber guiding roller (b4); A driving mechanism (b7) is used for driving the glue application roller (b3) and the glue guiding roller (b4) to rotate in opposite directions relative to each other.

8. The packaging bag film composite production equipment according to claim 7, characterized in that: The gluing device (b) also includes a stirring mechanism (b8) fixedly mounted on the glue tank (b2), and the stirring mechanism (b8) is connected to the driving mechanism (b7) and operates to mix the glue in the glue tank (b2).

9. The packaging bag film composite production equipment according to claim 1, characterized in that: The stirring mechanism (b8) comprises a rotating rod (b81) penetrating two opposite sides of the glue groove (b2), and a plurality of stirring blades (b82) evenly fixed on the outside of the rotating rod (b81); the rotating rod (b81) is rotationally connected to the glue groove (b2), and one end of the rotating rod (b81) is fixed to the output end of the driving mechanism (b7).

10. The packaging bag film composite production equipment according to claim 1, characterized in that: Also includes; A drying device (c) for drying the glue on the first film; a second film supply device (d) for supplying a second film, wherein the second film is arranged opposite to the side of the first film coated with the glue; A composite device (e) for bonding the first film and the second film to form a composite film.

Images