High speed extrusion laminating coater

Abstract

The application discloses a high-speed extrusion composite laminating film machine, and relates to the technical field of laminating film machines, which comprises a main placing frame, a first extruder set, a double-sided corona treatment machine set and a second extruder set, wherein the main placing frame, the first extruder set, the double-sided corona treatment machine set and the second extruder set are sequentially arranged from front to back, and a unwinding roller is arranged on the main placing frame; the first extruder set and the second extruder set are respectively used for laminating the front and back surfaces of a processing material; the first extruder set comprises a first frame body and a first extruding mechanism, the first extruding mechanism is arranged in the first frame body; the second extruder set comprises a second frame body and a second extruding mechanism, the second extruding mechanism is arranged in the second frame body; and the double-sided corona treatment machine set is used for simultaneously performing corona treatment on the front and back surfaces of the processing material. According to the application, the front and back surfaces of the material can be simultaneously laminated by the double-sided corona treatment machine set, so that one corona generator can be omitted, resources are saved, efficiency is improved, the size of the equipment is reduced, and space is saved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of film laminating machines, in particular to a high-speed extrusion composite film laminating machine. BACKGROUND

[0002] The extrusion composite film laminating machine is a device for compounding plastic film with other materials such as paper, aluminum foil, etc. It is widely used in the packaging industry, especially in the fields of food, medicine, daily necessities, etc. Through the film laminating process, the moisture-proof, oil-proof, oxidation-proof performance of the product can be enhanced, and the overall quality and service life of the packaging material can be improved.

[0003] The disclosure No. CN217777857U discloses an integrated multifunctional multi-layer coating composite film laminating machine, which comprises a first unwinding device, a multi-layer film laminating composite system and a winding system arranged in sequence. Between the first unwinding device and the multi-layer film laminating composite system, there are also a gluing device, a drying system and a first corona device arranged in sequence. Between the multi-layer film laminating composite system and the winding system, there is also a printing system arranged in sequence.

[0004] The composite film laminating machine in the above technical solution completes the film laminating and corona treatment of the front and back surfaces of the material in sequence, so it needs to use two groups of film laminating and corona devices, which has high energy consumption, and uneven film laminating is prone to occur. SUMMARY

[0005] The purpose of the present application is to provide a high-speed extrusion composite film laminating machine, which solves the problem that the composite film laminating machine completes the film laminating and corona treatment of the front and back surfaces of the material in sequence, so it needs to use two groups of film laminating and corona devices, which has high energy consumption, and uneven film laminating is prone to occur.

[0006] The present application solves the above technical problems by the following technical solutions. The present application comprises a main rack, a first extruder group, a double-sided corona treatment machine group and a second extruder group. The main rack, the first extruder group, the double-sided corona treatment machine group and the second extruder group are arranged in sequence from front to back. The main rack is provided with an unwinding roller;

[0007] The first extruder group and the second extruder group respectively perform film laminating on the front and back surfaces of the treated material. The first extruder group comprises a first rack body and a first extrusion mechanism. The first extrusion mechanism is arranged in the first rack body. The second extruder group comprises a second rack body and a second extrusion mechanism. The second extrusion mechanism is arranged in the second rack body.

[0008] The double-sided corona treatment machine set is used for simultaneously performing corona treatment on the front and back surfaces of a treatment material, and comprises a machine body, a corona generator and a limiting roller set.

[0009] Preferably, the limiting roller set comprises a front surface treatment roller, a first limiting roller, a second limiting roller, a back surface treatment roller, a third limiting roller and a fourth limiting roller, the front surface treatment roller and the back surface treatment roller are vertically arranged on one side of the corona generator, the front surface treatment roller and the back surface treatment roller are mirror arranged about the corona output end of the corona generator and are located within the output range of the corona output end of the corona generator, the first limiting roller is arranged on the front side below the front surface treatment roller, the second limiting roller is arranged on the front side above the back surface treatment roller, the third limiting roller is located above the back side of the back surface treatment roller and above the corona generator, the fourth limiting roller is located below the back side of the third limiting roller, the front side of the rear stand is provided with an import roller and an export roller on the upper part and the lower part respectively, a winding roller is arranged at the center position of the rear stand, a plurality of through slots for the treatment material to enter and exit are formed on the front side and the rear side of the machine body, and the treatment material moves along the path of the unwinding roller-the first roller body-the front surface treatment roller-the first limiting roller-the export roller-the second roller body-the import roller-the second limiting roller-the back surface treatment roller-the third limiting roller-the fourth limiting roller-the winding roller.

[0010] Preferably, the first extrusion mechanism and the second extrusion mechanism each comprise a bidirectional screw driving assembly, a first machine cylinder, a second machine cylinder and a film shower pipe, the bidirectional screw driving assembly is fixedly arranged in the front stand and the rear stand, the first machine cylinder and the second machine cylinder are arranged on the two sides of the bidirectional screw driving assembly respectively, the film shower pipe is arranged in the front stand and the rear stand through a connecting pipe, the first machine cylinder and the second machine cylinder are connected with the two ends of the film shower pipe through a discharge pipe, and a discharge groove is formed in the bottom of the film shower pipe.

[0011] Preferably, the bidirectional screw driving assembly comprises a housing, a driving motor, a rotating gear, a first driven gear, a second driven gear, a first feeding screw and a second feeding screw, the housing is installed in the front and rear racks through mounting rods, the driving motor is installed outside the housing, the rotating gear is arranged in the housing and is installed on the output end of the driving motor, the first driven gear and the second driven gear are rotatably installed on the two sides of the inner wall of the housing respectively, the first driven gear and the second driven gear are located on the two sides of the top of the rotating gear respectively, and the first driven gear and the second driven gear are in engagement with the rotating gear, the first feeding screw and the second feeding screw are installed on the first driven gear and the second driven gear respectively, and the first feeding screw and the second feeding screw are arranged in the first barrel and the second barrel respectively.

[0012] Preferably, heating elements are installed at the bottom of the first barrel and the second barrel.

[0013] Preferably, a plurality of feeding hoppers are installed at the position close to the housing at the top of the first barrel and the position close to the housing at the top of the second barrel.

[0014] Preferably, a placing groove is formed in the front and rear racks, the unwinding roller and the winding roller are clamped in the placing groove, control gears are fixedly installed at the end of the unwinding roller and the winding roller, mounting rack plates are installed on one side of the front rack and one side of the rear rack, a motor is installed on the mounting rack plate, a driving gear is installed at the output end of the motor, and the control gears are located above the driving gears and are in engagement with the driving gears.

[0015] Preferably, observation openings are formed in the two sides of the machine body.

[0016] Compared with the prior art, the application has the following beneficial effects:

[0017] 1. The double-sided corona treatment machine set can simultaneously perform film coating on the front and back surfaces of the material, so that one corona generator can be saved, resources are saved, efficiency is improved, the equipment size is reduced, and space is saved.

[0018] 2. The bidirectional screw driving assembly can simultaneously introduce molten plastic liquid from the two ends of the film coating pipe, so that the plastic liquid is uniformly and sufficiently distributed, the film coating is smooth, and the film coating effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view of the structure of the application;

[0020] Figure 2 It is a side view of the structure of the application;

[0021] Figure 3Structure view of the double-sided corona treatment machine set of the present application;

[0022] Figure 4 Structure view of the double-sided corona treatment machine set of the present application;

[0023] Figure 5 Structure view of the second extruder set of the present application;

[0024] Figure 6 Structure view of the second extruder set of the present application;

[0025] Figure 7 Structure view of the second extruder set of the present application;

[0026] Figure 8 Structure view of the double-sided corona treatment machine set of the present application;

[0027] Figure 9 Structure view of the double-sided corona treatment machine set of the present application;

[0028] Figure numbers represent:

[0029] Main rack; 2, first extruder set; 201, first rack body; 202, first extruding mechanism; 3, double-sided corona treatment machine set; 301, machine body; 302, corona generator; 303, limiting roller set; 3031, front treatment roller; 3032, first limiting roller; 3033, second limiting roller; 3034, back treatment roller; 3035, third limiting roller; 3036, fourth limiting roller; 4, second extruder set; 401, second rack body; 402, second extruding mechanism; 5, unwinding roller; 6, pre-rack; 7, post-rack; 8, first roller body; 9, second roller body; 10, leading-in roller; 11, leading-out roller; 12, winding roller; 13, double-sided screw drive assembly; 1301, housing; 1302, drive motor; 1303, rotating gear; 1304, first driven gear; 1305, second driven gear; 1306, first material conveying screw; 1307, second material conveying screw; 14, first machine cylinder; 15, second machine cylinder; 16, film coating tube; 17, discharge groove; 18, heating element; 19, feeding hopper; 20, control gear; 21, mounting rack plate; 22, motor; 23, drive gear; 24, observation port; 25, discharge pipe. DETAILED DESCRIPTION

[0030] The above and other technical features and advantages of the present application will be described in more detail below with reference to the accompanying drawings. Figures 1-9 The above and other technical features and advantages of the present application will be described in more detail below with reference to the accompanying drawings. Example 1

[0031] The present embodiment provides a technical solution: a high-speed extrusion composite film coating machine, which comprises a first extruder set, a double-sided corona treatment machine set, a second extruder set, a double-sided screw drive assembly, a first machine cylinder, a second machine cylinder, a film coating tube, a discharge groove, a heating element, a feeding hopper, a control gear, a mounting rack plate, a motor, a drive gear, an observation port, and a discharge pipe. Figures 1-9As shown, the present application comprises a main rack 1, a first extruder set 2, a double-sided corona treatment set 3 and a second extruder set 4, which are arranged in sequence from front to back, and the main rack 1 is provided with a pay-off roller 5, through which the material to be treated can be placed.

[0032] In a specific implementation, as shown in Figure 1 and Figure 2 , the first extruder set 2 and the second extruder set 4 respectively perform film coating on the front and back of the treated material, the first extruder set 2 comprises a first rack body 201 and a first extruder mechanism 202, the first extruder mechanism 202 is arranged in the first rack body 201, the second extruder set 4 comprises a second rack body 401 and a second extruder mechanism 402, the second extruder mechanism 402 is arranged in the second rack body 401, and the first extruder set 2 and the second extruder set 4 can sequentially perform film coating treatment on the front and back of the treated material.

[0033] In a specific implementation, as shown in Figure 3 and Figure 4 , the double-sided corona treatment set 3 is used to simultaneously perform corona treatment on the front and back of the treated material, the double-sided corona treatment set 3 comprises a machine body 301, a corona generator 302 and a limiting roller set 303, the corona generator 302 is installed at the middle position of the machine body 301, the limiting roller set 303 is distributedly installed in the machine body 301, the front and back sides of the corona treatment set are respectively provided with a front stand 6 and a rear stand 7, the end of the front stand 6 is provided with a first roller body 8, the first roller body 8 is located below the first extruder mechanism 202, the end of the rear stand 7 is provided with a second roller body 9, the second roller body 9 is located below the second extruder mechanism 402, so that the treated material can be treated by the corona generator 302 after being coated on the front, and can be treated by the corona generator 302 again after being coated on the back, so that one corona generator 302 can be saved, not only saving resources, but also reducing the size of the equipment and saving space.

[0034] The limiting roller set 303 comprises a front treatment roller 3031, a first limiting roller 3032, a second limiting roller 3033, a back treatment roller 3034, a third limiting roller 3035 and a fourth limiting roller 3036, the front treatment roller 3031 and the back treatment roller 3034 are vertically arranged on one side of the corona generator 302, the front treatment roller 3031 and the back treatment roller 3034 are mirror image arranged about the corona output end of the corona generator 302, and the front treatment roller 3031 and the back treatment roller 3034 are located within the output range of the corona output end of the corona generator 302, so that the corona generator 302 can simultaneously perform corona treatment on the front and back of the treated material, and the specific arrangement state of the limiting roller set 303 is as shown in Figure 9As shown, the first limiting roller 3032 is arranged at the front side below the front treatment roller 3031, the second limiting roller 3033 is arranged at the front side above the back treatment roller 3034, the third limiting roller 3035 is arranged above the back treatment roller 3034 at the rear side, the third limiting roller 3035 is arranged above the corona generator 302, the fourth limiting roller 3036 is arranged below the third limiting roller 3035 at the rear side, the upper part and the lower part of the front side of the rear frame 7 are respectively provided with the leading roller 10 and the discharging roller 11, the center of the rear frame 7 is provided with the winding roller 12, the front side and the rear side of the machine body 301 are respectively provided with a plurality of through slots for the treatment material to enter and exit, the treatment material moves along the path of the winding roller 5-the first roller body 8-the front treatment roller 3031-the first limiting roller 3032-the discharging roller 11-the second roller body 9-the leading roller 10-the second limiting roller 3033-the back treatment roller 3034-the third limiting roller 3035-the fourth limiting roller 3036-the winding roller 12, so that the design is compact and reasonable, and it should be noted that the first roller body 8 is located below the front treatment roller 3031 in the horizontal direction, the second roller body 9 is located between the leading roller 10 and the discharging roller 11 in the horizontal direction, and it should be noted that the winding position of the laminating machine is not at the end, but between the double-sided corona treatment machine group 3 and the second extruder group 4.

[0035] In a specific implementation, as shown in Figure 1 and Figure 2 The main frame 1 and the rear frame 7 are both provided with a placing slot, the winding roller 5 and the winding roller 12 are clamped in the placing slot, the winding roller 5 and the winding roller 12 are both fixedly installed with a control gear 20, one side of the main frame 1 and one side of the rear frame 7 are both installed with a mounting plate 21, the mounting plate 21 is installed with a motor 22, the output end of the motor 22 is installed with a driving gear 23, the control gear 20 is located above the driving gear 23 and is engaged with the driving gear 23, the motor 22 drives the control gear 20 to rotate during the laminating treatment, and the winding roller 5 and the winding roller 12 are driven to rotate by the control gear 20 to complete the unwinding and winding of the treatment material.

[0036] Further, the machine body 301 is provided with an observation hole 24 at both sides, so that the working condition of the corona generator 302 can be observed through the observation hole 24.

[0037] In this embodiment, first, the treatment material is placed on the winding roller 5, and then the treatment material moves along the path of the winding roller 5-the first roller body 8-the front treatment roller 3031-the first limiting roller 3032-the discharging roller 11-the second roller body 9-the leading roller 10-the second limiting roller 3033-the back treatment roller 3034-the third limiting roller 3035-the fourth limiting roller 3036-the winding roller 12. Figure 9As shown in the state of placement, one end of the processing material is fixed to the winding roller 12, then each electrical appliance is connected with an external power supply and started by the controller, the first extrusion mechanism 202 can perform film coating on the front surface of the material passing through the first roller body 8, then the material can be treated by the corona output end of the corona generator 302 when passing through the front surface treatment roller 3031 to complete the front surface treatment, then the material passes through the first limiting roller 3032- the lead-out roller 11-the second roller body 9-the lead-in roller 10-the second limiting roller 3033-the back surface treatment roller 3034, the back surface of the material faces the corona generator 302 when passing through the back surface treatment roller 3034, so the material can be treated by the corona output end of the corona generator 302 when passing through the back surface to complete the back surface treatment, and finally the processed material can be wound by the winding roller 12 after passing through the third limiting roller 3035 and the fourth limiting roller 3036. Example two

[0038] This embodiment is further optimized on the basis of the above-mentioned embodiment, and the same parts as the foregoing technical solutions will not be repeated here. Further, in order to better achieve the present application, the following setting mode is adopted:

[0039] In specific implementation, as shown in Figures 5-8 The first extrusion mechanism 202 and the second extrusion mechanism 402 each include a bidirectional screw driving assembly 13, a first machine cylinder 14, a second machine cylinder 15 and a film coating pipe 16, the bidirectional screw driving assembly 13 is fixedly arranged in the front bracket 6 and the rear bracket 7, the first machine cylinder 14 and the second machine cylinder 15 are arranged on both sides of the bidirectional screw driving assembly 13 respectively, the film coating pipe 16 is installed in the front bracket 6 and the rear bracket 7 through a connecting pipe, the first machine cylinder 14 and the second machine cylinder 15 are connected with both ends of the film coating pipe 16 through a discharge pipe 25, and a discharge groove 17 is arranged at the bottom of the film coating pipe 16, so that the molten plastic liquid can be simultaneously introduced from both ends of the film coating pipe 16 through the bidirectional screw driving assembly 13, thereby ensuring that the plastic liquid is uniformly and sufficiently distributed, the film coating is smooth, and the film coating effect is good.

[0040] The bidirectional screw driving assembly 13 comprises a shell 1301, a driving motor 1302, a rotating gear 1303, a first driven gear 1304, a second driven gear 1305, a first feeding screw 1306 and a second feeding screw 1307, the shell 1301 is installed in the front frame 6 and the rear frame 7 through the mounting rod, the driving motor 1302 is installed outside the shell 1301, the rotating gear 1303 is arranged in the shell 1301 and the rotating gear 1303 is installed at the output end of the driving motor 1302, the first driven gear 1304 and the second driven gear 1305 are rotatably installed on the inner walls of the shell 1301 respectively, the first driven gear 1304 and the second driven gear 1305 are located on the two sides of the top of the rotating gear 1303 respectively and the first driven gear 1304 and the second driven gear 1305 are both meshed with the rotating gear 1303, the driving motor 1302 can drive the rotating gear 1303 to rotate, so the first driven gear 1304 and the second driven gear 1305 can be driven to rotate, thereby the first feeding screw 1306 and the second feeding screw 1307 on the two sides can be driven, the first feeding screw 1306 and the second feeding screw 1307 are installed on the first driven gear 1304 and the second driven gear 1305 respectively, the first feeding screw 1306 and the second feeding screw 1307 are arranged in the first barrel 14 and the second barrel 15 respectively, the first barrel 14 and the second barrel 15 are both installed with the heating element 18 at the bottom, the first feeding screw 1306 and the second feeding screw 1307 can extrude the plastic material, under the effect of extrusion and the heating element 18, the plastic material can be melted and finally discharged from the end of the first barrel 14 and the second barrel 15 into the film shower pipe 16, then the plastic in the molten state can be sprayed onto the material surface.

[0041] Further, the first barrel 14 and the second barrel 15 are both installed with a plurality of feeding hoppers 19 at the top near the shell 1301, through the plurality of feeding hoppers 19, the plastic material can be conveniently added into the first barrel 14 and the second barrel 15.

[0042] In the embodiment, the molten plastic liquid can be simultaneously introduced from both ends of the shower pipe 16 through the bidirectional screw driving assembly 13, so that the plastic liquid can be uniformly and sufficiently distributed. The plastic material can be continuously fed into the feeding hopper 19 through the external feeding device, and then enter the first cylinder 14 and the second cylinder 15. The driving motor 1302 can drive the rotating gear 1303 to rotate, so as to drive the first driven gear 1304 and the second driven gear 1305 to rotate, thereby driving the first feeding screw 1306 and the second feeding screw 1307 on both sides to rotate. The plastic material can be extruded by the first feeding screw 1306 and the second feeding screw 1307, and then melt under the effect of the extruding and heating element 18, and finally discharged from the ends of the first cylinder 14 and the second cylinder 15 into the shower pipe 16. Then, the molten plastic can be sprayed onto the material surface.

[0043] The above merely describes the preferred embodiments of the present application, which are only illustrative but not restrictive. It is understood by those skilled in the art that many changes, modifications, and even equivalents can be made to the present application within the spirit and scope of the present application defined by the claims, and all of them shall fall within the protection scope of the present application.

Claims

1. A high speed extrusion coating lamination machine characterized by, Including main rack (1), first extruder set (2), double-sided corona treatment machine set (3) and second extruder set (4), the main rack (1), first extruder set (2), double-sided corona treatment machine set (3) and second extruder set (4) are sequentially arranged from front to back, the main rack (1) is provided with unwinding roller (5); The first extruder set (2) and the second extruder set (4) respectively carry out film coating to the front and back of the processing material, the first extruder set (2) includes first frame body (201) and first extrusion mechanism (202), the first extrusion mechanism (202) is arranged in the first frame body (201), the second extruder set (4) includes second frame body (401) and second extrusion mechanism (402), the second extrusion mechanism (402) is arranged in the second frame body (401); The double-sided corona treatment machine set (3) is used for simultaneously carrying out corona treatment to the front and back of the processing material, the double-sided corona treatment machine set (3) includes machine body (301), corona generator (302) and limiting roller group (303), the corona generator (302) is installed in the middle position in the machine body (301), the limiting roller group (303) is distributedly installed in the machine body (301), the front and rear sides of the corona treatment machine set are respectively provided with front support frame (6) and rear support frame (7), the first roller body (8) is installed at the end of the front support frame (6), the first roller body (8) is located below the first extrusion mechanism (202), the second roller body (9) is installed at the end of the rear support frame (7), and the second roller body (9) is located below the second extrusion mechanism (402); The limiting roller group (303) comprises a front treatment roller (3031), a first limiting roller (3032), a second limiting roller (3033), a back treatment roller (3034), a third limiting roller (3035) and a fourth limiting roller (3036), the front treatment roller (3031) and the back treatment roller (3034) are vertically arranged on one side of the corona generator (302), the front treatment roller (3031) and the back treatment roller (3034) are mirror arranged about the corona output end of the corona generator (302) and are located in the output range of the corona output end of the corona generator (302), the first limiting roller (3032) is arranged on the front side below the front treatment roller (3031), the second limiting roller (3033) is arranged on the front side above the back treatment roller (3034), the third limiting roller (3035) is located above the back side of the back treatment roller (3034) and above the corona generator (302), and the fourth limiting roller (3036) is located below the back side of the third limiting roller (3035), the front side upper part and the lower part of the rear frame (7) are respectively provided with the lead-in roller (10) and the lead-out roller (11), the center of the rear frame (7) is provided with the winding roller (12), and the front side and the back side of the machine body (301) are both provided with a plurality of through slots for the treatment material to enter and exit, and the treatment material moves along the path of the unwinding roller (5)-the first roller body (8)-the front treatment roller (3031)-the first limiting roller (3032)-the lead-out roller (11)-the second roller body (9)-the lead-in roller (10)-the second limiting roller (3033)-the back treatment roller (3034)-the third limiting roller (3035)-the fourth limiting roller (3036)-the winding roller (12).

2. The high speed extrusion coating lamination machine of claim 1, wherein, The first extrusion mechanism (202) and the second extrusion mechanism (402) both comprise a bidirectional screw driving assembly (13), a first machine cylinder (14), a second machine cylinder (15) and a film shower pipe (16), the bidirectional screw driving assembly (13) is fixedly arranged in the front frame (6) and the rear frame (7), the first machine cylinder (14) and the second machine cylinder (15) are arranged on the two sides of the bidirectional screw driving assembly (13) respectively, the film shower pipe (16) is installed in the front frame (6) and the rear frame (7) through a connecting pipe, the first machine cylinder (14) and the second machine cylinder (15) are connected with the two ends of the film shower pipe (16) through a discharge pipe (25), and a discharge groove (17) is formed in the bottom of the film shower pipe (16).

3. The high speed extrusion coating die machine of claim 2, wherein, The bidirectional screw driving assembly (13) comprises a shell (1301), a driving motor (1302), a rotating gear (1303), a first driven gear (1304), a second driven gear (1305), a first feeding screw (1306) and a second feeding screw (1307), the shell (1301) is installed in the front stand (6) and the rear stand (7) through a mounting rod, the driving motor (1302) is installed outside the shell (1301), the rotating gear (1303) is arranged in the shell (1301) and the rotating gear (1303) is installed at the output end of the driving motor (1302), the first driven gear (1304) and the second driven gear (1305) are rotatably installed on the inner walls of the shell (1301) on both sides respectively, the first driven gear (1304) and the second driven gear (1305) are located on both sides of the top of the rotating gear (1303) respectively, and the first driven gear (1304) and the second driven gear (1305) are in engagement with the rotating gear (1303), the first feeding screw (1306) and the second feeding screw (1307) are installed on the first driven gear (1304) and the second driven gear (1305) respectively, and the first feeding screw (1306) and the second feeding screw (1307) are arranged in the first cylinder (14) and the second cylinder (15) respectively.

4. The high speed extrusion coating die machine of claim 3, wherein, The first cylinder (14) and the second cylinder (15) are provided with heating elements (18) at the bottom.

5. The high speed extrusion coating die machine of claim 3 wherein, A plurality of feeding hoppers (19) are installed at the top of the first cylinder (14) and the top of the second cylinder (15) close to the shell (1301).

6. The high speed extrusion coating die machine of claim 1 wherein, The main stand (1) and the rear stand (7) are provided with placing grooves, the unwinding roller (5) and the winding roller (12) are clamped in the placing grooves, control gears (20) are fixedly installed at the ends of the unwinding roller (5) and the winding roller (12), mounting rack plates (21) are installed on one side of the main stand (1) and one side of the rear stand (7), electric motors (22) are installed on the mounting rack plates (21), driving gears (23) are installed at the output ends of the electric motors (22), and the control gears (20) are located above the driving gears (23) and are in engagement with the driving gears (23).

7. The high speed extrusion coating die machine of claim 1 wherein, Observation openings (24) are formed in the two sides of the machine body (301).

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