CN216400467U - Be used for novel extruder of BOPP membrane - Google Patents

Abstract

The utility model provides a novel extruder for a BOPP film, which belongs to the technical field of extruders and comprises a rack, wherein the upper surface of the rack is fixedly connected with an installation block, the upper surface of the installation block is fixedly connected with a cooling layer, the surface of the cooling layer close to the right is fixedly connected with a fixing ring, and the surface of the fixing ring close to the rear is fixedly connected with a connecting block. This an extruder for BOPP membrane, through rotating the fixed block, pull the extrusion door, rotate and open under the drive of dwang and connecting block, then through pressing down the promotion connecting rod, release the position of extrusion door with the stirring roller, the aspect is dismantled and is taken out clean-up, avoid influencing the inhomogeneous quality problems that appear of next material stirring, then put into the material jar with the stirring roller, will extrude door rotation normal position through the rotation of dwang, then the rotatory fixed block that lives reaches the unable pivoted purpose of extrusion door, the installation playback finishes, simple structure installs very conveniently, work burden has been alleviateed.

Description

Be used for novel extruder of BOPP membrane

Technical Field

The utility model belongs to the technical field of extruders, and particularly relates to a novel extruder for a BOPP film.

Background

BOPP is a abbreviation for "biaxialy organized Polypropylene", i.e. Biaxially Oriented Polypropylene film, and is produced by first forming a sheet or a thick film from a melt of high molecular Polypropylene by means of a narrow and long machine head, then stretching the film in two perpendicular directions (longitudinal and transverse directions) simultaneously or stepwise in a special stretching machine at a certain temperature and a set speed, and subjecting the film to appropriate cooling or heat treatment or special processing (e.g. corona, coating, etc.).

When the BOPP film is produced, extruder equipment is needed to extrude and mold the BOPP film, after the existing extruder stirs and discharges materials, a stirring roller is inconvenient to clean inside, and the extrusion of the next round of BOPP film is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel extruder for BOPP films, and aims to solve the problem that in the prior art, a stirring roller is difficult to disassemble and clean, and the extrusion quality of the next BOPP film is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel extruder for BOPP films comprises a frame, wherein the upper surface of the frame is fixedly connected with an installation block, the upper surface of the mounting block is fixedly connected with a cooling layer, the surface close to the right of the cooling layer is fixedly connected with a fixing ring, the surface of the fixing ring close to the back is fixedly connected with a connecting block, the surface of the connecting block is fixedly connected with a supporting rod, the surface of the middle part of the supporting rod is rotatably connected with a rotating rod, the upper surface and the lower surface of the rotating rod are symmetrically provided with fixed blocks, the fixed block is connected with the supporting rod through threads, one end of the rotating rod is fixedly connected with an extrusion door, the surface of the extrusion door is clamped with a material tank which is fixedly connected with the inner surface of the cooling layer, the inside mounting of material jar has the stirring roller, the left surface fixedly connected with connecting rod of stirring roller, the left surface of material jar is run through to the one end of connecting rod.

In order to achieve the purpose of controllable extrusion or sealing of the novel extruder for the BOPP film, as a preferable mode of the utility model, the extrusion door comprises an outer door, an inner door is movably connected inside the outer door, a sliding groove is formed in the side surface of the outer door close to the upper side, a wrench is fixedly connected to the surface of the inner door close to the sliding groove, and extrusion ports are formed in the surfaces of the inner door and the outer door.

In order to enable the novel extruder for the BOPP film to achieve the purpose of conveniently cutting the extruded BOPP film, as a preferred choice of the novel extruder for the BOPP film, a material receiving groove is formed in the lower right corner of the rack, a first guide groove is formed in the upper surface, close to the material receiving groove, of the rack, a first sliding block is movably connected inside the first guide groove, a sliding plate is fixedly connected to the upper surface of the first sliding block, a first motor is installed on the left side surface of the sliding plate, a rotating disc is fixedly connected to one end of the first motor, the output end of the first motor penetrates through the rotating disc, a cutter disc is fixedly connected to the output end of the first motor, cutters are fixedly connected to the surface of the cutter disc, and the cutters are arrayed in an annular array form.

In order to enable the novel extruder for the BOPP film to achieve the purpose of providing power for stirring, as an optimization of the utility model, a second guide groove is formed in the upper surface of the machine frame close to the left, a second sliding block is movably connected inside the second guide groove, a fixed base is fixedly connected to the upper surface of the second sliding block, a second motor is installed on the surface of the fixed base, and a speed reducer is fixedly connected to the surface of the output end of the second motor.

In order to enable the novel extruder for the BOPP film to achieve the purpose of connecting the second motor with the stirring roller, as a preferable mode of the utility model, the surface, close to the speed reducer, of the output end of the second motor is in threaded connection with a fixed sleeve, and the inner diameter of the fixed sleeve is matched with the inner diameter of the connecting rod.

In order to achieve the purposes of convenient feeding, dust prevention and high stirring quality, the novel extruder for the BOPP film is preferably characterized in that the cooling layer and the outer surface of the material pipe close to the upper portion are fixedly connected with a feeding pipe, one end of the feeding pipe is fixedly connected with a feeding hopper, a control rod is fixedly connected with the connection portion of the feeding pipe and the feeding hopper, the surface of the control rod is fixedly connected with a turnover door, one end of the control rod is fixedly connected with a cross-shaped turning button, and the upper surface of the turnover door is provided with an electronic induction scale.

In order to enable the novel extruder for the BOPP film to achieve the purpose of conveniently storing water, cooling and dissipating heat, as a preferable mode of the utility model, a water tank is arranged on the upper surface of the rack close to the right, a water pump is arranged on the upper surface of the water tank close to the right, a water injection pipe is arranged on the upper surface of the water tank close to the left, and a water cover is clamped at one end of the water injection pipe.

In order to enable the novel extruder for the BOPP film to achieve the purpose of water recycling, as a preferable mode of the utility model, a first water inlet and a first water outlet are formed in the surface of the water tank, a second water inlet and a second water outlet are formed in the surface of the cooling layer, and water pipes are connected between the first water inlet and the first water outlet and between the second water inlet and the second water outlet.

In order to enable the novel extruder for the BOPP film to achieve the purpose of controlling the whole device to be closed, as a preferable mode of the utility model, a fixing table is fixedly connected to the upper surface of the left side of the rack, a control center is installed on the upper surface of the fixing table, and a display screen is installed on the front surface of the control center.

In order to enable the novel extruder for the BOPP film to achieve the purpose of providing electric power for the whole device, as a preferable mode of the utility model, an electric cabinet is arranged on the front surface, close to the fixed table, of the machine frame, an electric box is installed inside the electric cabinet, and a cabinet door is arranged on the front surface of the electric cabinet.

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

1. this an extruder for BOPP membrane, through the retainer plate, the connecting block, the dwang and the setting of extruding the door, both fixed sealing the material pipe, make things convenient for the inside material of high temperature treatment material jar simultaneously, the fixed block can be rotated, then pull the extrusion door, rotate under the drive of dwang and connecting block and open, then promote the connecting rod through pressing down, release the stirring roller from the position of extruding the door, the aspect is dismantled and is taken out the sanitization, avoid influencing the inhomogeneous quality problems that appears of next material stirring, then put into the material jar with the stirring roller, the door that will extrude through the rotation of dwang returns the normal position, then the rotatory fixed block reaches the unable pivoted purpose of extruding the door, the installation returns the position and finishes, simple structure installs very conveniently, work burden has been alleviateed.

2. This an extruder for BOPP membrane, through connecing the silo, first motor, the setting of carousel and cutter, the BOPP membrane that the help was extruded is cut, and conveniently connect the material, the volume of throwing the material is conveniently controlled in setting up through the electronic induction balance, so that the stirring is more even, the BOPP membrane thickness that makes the extrusion is even always, the quality is improved, setting through cooling layer and water tank, conveniently reach the whole even refrigerated purpose of material jar through water, can realize the hydrologic cycle simultaneously and do benefit to, resources are saved, avoid extravagant.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic view of an extrusion door according to the present invention;

FIG. 4 is a schematic view of the cutter head of the present invention;

FIG. 5 is a schematic view of the structure of the material tank of the present invention;

FIG. 6 is a schematic view of the structure of the water tank and the cooling layer in the present invention;

fig. 7 is a schematic structural view of an open electric cabinet in the present invention.

In the figure: 1. a frame; 2. mounting blocks; 3. a cooling layer; 4. a stationary ring; 5. connecting blocks; 6. a support bar; 7. rotating the rod; 8. a fixed block; 9. an extrusion door; 901. an outer door; 902. an inner door; 903. a chute; 904. a wrench; 905. an extrusion port; 10. a material tank; 11. a stirring roller; 12. a connecting rod; 13. a material receiving groove; 14. a first guide groove; 15. a first slider; 16. a slide plate; 17. a first motor; 18. a turntable; 19. a cutter head; 20. a cutter; 21. a second guide groove; 22. a second slider; 23. a fixed base; 24. a second motor; 25. a speed reducer; 26. fixing a sleeve; 27. a feed pipe; 28. a feed hopper; 29. a control lever; 30. turning over the door; 31. a cross knob; 32. an electronic induction scale; 33. a water tank; 34. a water pump; 35. a water injection pipe; 36. a water cover; 37. a first water inlet; 38. a first water outlet; 39. a second water inlet; 40. a second water outlet; 41. a water pipe; 42. a fixed table; 43. a control center; 44. a display screen; 45. an electric cabinet; 46. an electric box; 47. a cabinet door.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a be used for novel extruder of BOPP membrane, which comprises a frame 1, the last fixed surface of frame 1 is connected with installation piece 2, the last fixed surface of installation piece 2 is connected with cooling layer 3, cooling layer 3 leans on fixed surface on the right side to be connected with retainer plate 4, retainer plate 4 leans on fixed surface behind to be connected with connecting block 5, the fixed surface of connecting block 5 is connected with bracing piece 6, the surperficial rotation at bracing piece 6 middle part is connected with dwang 7, the upper and lower surface symmetry of dwang 7 is provided with fixed block 8, fixed block 8 passes through threaded connection with bracing piece 6, the one end fixedly connected with of dwang 7 extrudes door 9, the surperficial joint of extruding door 9 has material jar 10, material jar 10 fixed connection is at the internal surface of cooling layer 3, the internally mounted of material jar 10 has stirring roller 11, stirring roller 11's left surface fixedly connected with connecting rod 12, the left surface of connecting rod 12 runs through the left surface of material jar 10.

In the embodiment of the utility model, the fixing block 8 is rotated, the extrusion door 9 is pulled, the extrusion door is rotated to be opened under the driving of the rotating rod 7 and the connecting block 5, then the connecting rod 12 is pushed through pressing, the stirring roller 11 is pushed out from the position of the extrusion door 9, the extrusion door is disassembled and cleaned in an aspect, the quality problem caused by the fact that the next material is not uniformly stirred is avoided, then the stirring roller 11 is placed into the material tank 10, the extrusion door 9 is rotated to the original position through the rotation of the rotating rod 7, then the fixing block 8 is rotationally fixed to enable the extrusion door 9 not to rotate, the installation and the homing are finished, the structure is simple, the installation is very convenient, and the work load is lightened.

Specifically, the extrusion door 9 includes an outer door 901, an inner door 902 is movably connected inside the outer door 901, a sliding groove 903 is formed in a side surface of the outer door 901, a wrench 904 is fixedly connected to a surface of the inner door 902 close to the sliding groove 903, and extrusion ports 905 are formed in surfaces of the inner door 902 and the outer door 901.

In this embodiment: slide in spout 903 through stirring spanner 904, make interior door 902 and outer door 901 dislocation, accomplish the closure of extruding mouth 905, make things convenient for the inside heating stirring of material jar 10 like this, through stirring spanner 904, make interior door 902 and outer door 901 dislocation, extrude mouthful 905 and open, accomplish extrusion work.

Specifically, the lower right corner of frame 1 has been seted up and has been connect silo 13, frame 1 has been close to the upper surface that connects silo 13 and has been seted up first guide way 14, the inside swing joint of first guide way 14 has first slider 15, the last fixed surface of first slider 15 is connected with slide 16, first motor 17 is installed to slide 16's left surface, the one end fixedly connected with carousel 18 of first motor 17, carousel 18 is run through to first motor 17's output, first motor 17's output fixedly connected with blade disc 19, blade disc 19's fixed surface is connected with cutter 20, cutter 20 is with annular array's form array.

In this embodiment: when the material is extruded, need cut, promote slide 16, slide 16 slides along first guide way 14 under the drive of first slider 15, is close to extrusion door 9, then first motor 17 rotates, drives blade disc 19 and cutter 20 on the carousel 18 and rotates, cuts the material on extrusion door 9, and is quick convenient, save time, when not required, pushes away slide 16 along first guide way 14.

Specifically, the upper surface of frame 1 that leans on the left side has seted up second guide way 21, and the inside swing joint of second guide way 21 has second slider 22, and the last fixed surface of second slider 22 is connected with solid fixed baseplate 23, and the surface mounting of solid fixed baseplate 23 has second motor 24, and the fixed surface of second motor 24 output is connected with reduction gear 25.

In this embodiment: when stirring roller 11 is started to stir, fixed base 23 is pulled to the position relative to material tank 10 under the drive of second slider 22 through second guide way 21, and speed reducer 25 helps to reduce the speed, reaches the even stability of rotational speed, makes stirring quality and effect higher better.

Specifically, the output end of the second motor 24 is connected with a fixing sleeve 26 by a thread on the surface close to the speed reducer 25, and the inner diameter of the fixing sleeve 26 is matched with the inner diameter of the connecting rod 12.

In this embodiment: fix second motor 24 and connecting rod 12 together through fixed cover 26, second motor 24 drives stirring roller 11 and stirs, when dismantling, through rotatory fixed cover 26, dismantles connecting rod 12 and second motor 24, convenient operation.

Specifically, the cooling layer 3 and the material tank 10 are fixedly connected with an inlet pipe 27 on the outer surface, one end of the inlet pipe 27 is fixedly connected with a feed hopper 28, a control rod 29 is fixedly connected with the joint of the inlet pipe 27 and the feed hopper 28, the surface of the control rod 29 is fixedly connected with a turnover door 30, one end of the control rod 29 is fixedly connected with a cross-shaped turn button 31, and an electronic induction scale 32 is arranged on the upper surface of the turnover door 30.

In this embodiment: the feeding pipe 27 and the feeding hopper 28 are convenient to feed, the electronic induction scale 32 is convenient to stir uniformly by weighing the weight of the fed materials, the extruded materials are uniform in thickness, the cross-shaped rotating button 31 is rotated to drive the control rod 29 and the turnover door 30 to rotate, the materials are poured into the material tank 10, the turnover door 30 is turned over through the cross-shaped rotating button 31 to be closed, dust and other impurities are prevented from entering the material tank 10, and the quality of the materials is ensured.

Specifically, the upper surface of the frame 1 close to the right is provided with a water tank 33, the upper surface of the water tank 33 close to the right is provided with a water pump 34, the upper surface of the water tank 33 close to the left is provided with a water injection pipe 35, and one end of the water injection pipe 35 is clamped with a water cover 36.

In this embodiment: the water cap 36 is opened, and water is injected into the water tank 33 through the water injection pipe 35, so that the water tank 33 stores a large amount of water, the cooling and heat dissipation of the device are facilitated, and the service life is prolonged.

Specifically, a first water inlet 37 and a first water outlet 38 are formed in the surface of the water tank 33, a second water inlet 39 and a second water outlet 40 are formed in the surface of the cooling layer 3, and water pipes 41 are connected between the first water inlet 37 and the first water outlet 38 and between the second water inlet 39 and the second water outlet 40.

In this embodiment: through the connection of the first water inlet 37 and the second water inlet 39 and the connection of the first water outlet 38 and the second water outlet 40, water in the water tank 33 is injected into the cooling layer 3 with the help of the water pump 34 through the water pipe 41, so that the material tank 10 achieves the cooling purpose, and meanwhile, the water resource is recycled.

Specifically, a fixed table 42 is fixedly connected to the upper surface of the left side of the rack 1, a control center 43 is installed on the upper surface of the fixed table 42, and a display screen 44 is installed on the front surface of the control center 43.

In this embodiment: through the display screen 44, the specific data of each item of the device is known with high readability, and the control of the whole device is completed with the help of the control center 43.

Specifically, the front surface of the frame 1 close to the fixed table 42 is provided with an electric cabinet 45, an electric cabinet 46 is mounted inside the electric cabinet 45, and a cabinet door 47 is arranged on the front surface of the electric cabinet 45.

In this embodiment: through the setting of cabinet door 47, conveniently open cabinet door 47, look over the storage situation of inside electronic box 46 at any time, in time maintain the clearance, increase of service life, electronic box cabinet 45 provides electric power for whole device.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle and the using process of the utility model are as follows: when the novel BOPP film extruder is used, materials are put into the extruder through the feed hopper 28, the electronic induction scale 32 senses the feeding weight, then the Zhuandong cross turn button 31 feeds the materials into the material tank 10 through the feed pipe 27, the Zhuandong cross turn button 31 closes the feeding port, then the fixed base 23 is pulled to the position opposite to the material tank 10 under the driving of the second sliding block 22 through the second guide groove 21, the speed reducer 25 helps to reduce the speed to achieve uniform and stable rotating speed, the fixed sleeve 26 fixes the second motor 24 and the connecting rod 12 together, the second motor 24 drives the stirring roller 11 to stir, when the materials are extruded, the inner door 902 and the outer door 901 are staggered by shifting the wrench 904 to slide in the sliding groove 903, the sealing of the extrusion port 905 is completed, the heating and stirring inside the material tank 10 are convenient, the inner door 902 and the outer door 901 are staggered by shifting the wrench 904 is opened, the extrusion port 905 is opened, finishing the extrusion work, then pushing the sliding plate 16, sliding the sliding plate 16 along the first guide groove 14 under the driving of the first sliding block 15, approaching the extrusion door 9, then rotating the first motor 17 to drive the cutter disc 19 and the cutter 20 on the rotary disc 18 to rotate, cutting off the material on the extrusion door 9, being fast and convenient, saving time, when not needed, pushing the sliding plate 16 along the first guide groove 14, collecting the material through the material receiving groove 13, when cooling is needed, the water in the water tank 33 is injected into the cooling layer 3 with the help of the water pump 34 through the water pipe 41, so that the material tank 10 achieves the cooling purpose, meanwhile, realizing the recycling of water resources, then detaching the stirring roller 11 for cleaning, pulling the extrusion door 9 by rotating the fixed block 8, rotating to open under the driving of the rotating rod 7 and the connecting block 5, then pushing the connecting rod 12 by pressing, pushing the stirring roller 11 out of the extrusion door 9, the aspect is dismantled and is taken out the sanitization, avoids influencing the inhomogeneous quality problems that appear of next material stirring, then puts into material jar 10 with stirring roller 11, will extrude door 9 through the rotation of dwang 7 and turn back the normal position, then the rotatory fixed block 8 reaches and extrudes door 9 and can't rotate, and the installation playback finishes, and simple structure installation is very convenient, has alleviateed work burden.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A novel extruder for BOPP films, comprising a frame (1), and is characterized in that: the upper surface of frame (1) is fixedly connected with installation piece (2), the upper surface of installation piece (2) is fixedly connected with cooling layer (3), cooling layer (3) leans on fixed surface on the right to be connected with retainer plate (4), fixed surface after retainer plate (4) leans on is connected with connecting block (5), the fixed surface of connecting block (5) is connected with bracing piece (6), the surface rotation at bracing piece (6) middle part is connected with dwang (7), the upper and lower surface symmetry of dwang (7) is provided with fixed block (8), fixed block (8) pass through threaded connection with bracing piece (6), the one end fixedly connected with of dwang (7) extrudes door (9), the surface joint of extruding door (9) has material jar (10), material jar (10) fixed connection is at the internal surface of cooling layer (3), the material tank is characterized in that a stirring roller (11) is installed inside the material tank (10), a connecting rod (12) is fixedly connected to the left side face of the stirring roller (11), and one end of the connecting rod (12) penetrates through the left side face of the material tank (10).

2. The new extruder for BOPP films according to claim 1, characterized in that: the extrusion door (9) comprises an outer door (901), an inner door (902) is movably connected inside the outer door (901), a sliding groove (903) is formed in the side surface, close to the upper side, of the outer door (901), a wrench (904) is fixedly connected to the surface, close to the sliding groove (903), of the inner door (902), and extrusion openings (905) are formed in the surfaces of the inner door (902) and the outer door (901).

3. The new extruder for BOPP films according to claim 1, characterized in that: the utility model discloses a cutting machine, including frame (1), the lower right corner of frame (1) has been seted up and has been connect silo (13), frame (1) is close to the upper surface that connects silo (13) and has been seted up first guide way (14), the inside swing joint of first guide way (14) has first slider (15), the last fixed surface of first slider (15) is connected with slide (16), first motor (17) are installed to the left surface of slide (16), the one end fixedly connected with carousel (18) of first motor (17), carousel (18) are run through to the output of first motor (17), the output fixedly connected with blade disc (19) of first motor (17), the fixed surface of blade disc (19) is connected with cutter (20), cutter (20) are with the form array of annular array.

4. The new extruder for BOPP films according to claim 1, characterized in that: frame (1) leans on the upper surface on a left side to seted up second guide way (21), the inside swing joint of second guide way (21) has second slider (22), the last fixed surface of second slider (22) is connected with stationary base (23), the surface mounting of stationary base (23) has second motor (24), the fixed surface of second motor (24) output is connected with reduction gear (25).

5. The novel extruder for BOPP films according to claim 4, wherein: the surface thread of the output end of the second motor (24) close to the speed reducer (25) is connected with a fixed sleeve (26), and the inner diameter of the fixed sleeve (26) is matched with the inner diameter of the connecting rod (12).

6. The new extruder for BOPP films according to claim 1, characterized in that: the utility model discloses a material tank, including the outer fixed surface who leans on of cooling layer (3) and material jar (10) is connected with inlet pipe (27), the one end fixedly connected with feeder hopper (28) of inlet pipe (27), junction fixedly connected with control lever (29) of inlet pipe (27) and feeder hopper (28), the fixed surface of control lever (29) is connected with upset door (30), the one end fixedly connected with cross turn button (31) of control lever (29), the last surface mounting of upset door (30) has electronic induction to call (32).

7. The new extruder for BOPP films according to claim 1, characterized in that: frame (1) leans on the upper surface on the right side to install water tank (33), water tank (33) leans on the upper surface on the right side to install water pump (34), water tank (33) leans on the upper surface on a left side to seted up water injection pipe (35), the one end joint of water injection pipe (35) has water cover (36).

8. The new extruder for BOPP films according to claim 7, characterized in that: first water inlet (37) and first delivery port (38) have been seted up on the surface of water tank (33), second water inlet (39) and second delivery port (40) have been seted up on the surface of cooling layer (3), all be connected with water pipe (41) between first water inlet (37) and first delivery port (38) and second water inlet (39) and second delivery port (40).

9. The new extruder for BOPP films according to claim 1, characterized in that: frame (1) is leaned on last fixed surface on the left and is connected with fixed station (42), the last surface mounting of fixed station (42) has control center (43), the preceding surface mounting of control center (43) has display screen (44).

10. The new extruder for BOPP films according to claim 9, characterized in that: an electric cabinet (45) is arranged on the front surface, close to the fixed table (42), of the rack (1), an electric box (46) is installed inside the electric cabinet (45), and a cabinet door (47) is arranged on the front surface of the electric cabinet (45).

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