Film impurity separating device suitable for residual film recycling machine and residual film recycling machine

Abstract

The utility model provides a film impurity separating device suitable for a residual film recycling machine and the residual film recycling machine. The film impurity separating device comprises a film blowing fan mechanism, a film sucking fan mechanism, a film collecting mechanism, a rack, a detecting device, a wind speed adjusting executing mechanism, a walking mechanism and a controller. The film blowing fan mechanism is located below a screening mechanism of the residual film recycling machine, an air suction opening of the film suction fan mechanism is located above the screening mechanism of the residual film recycling machine, and an air outlet of the film suction fan mechanism is communicated with the film collecting mechanism. The walking mechanism is mounted at the bottom of the rack; the detection device is used for detecting the rotating speed and sound signals of the film blowing fan mechanism and the film sucking fan mechanism and transmitting the rotating speed and sound signals to the controller; the air speed adjusting executing mechanism is connected with the film blowing fan mechanism and the film sucking fan mechanism. The controller is connected with the detection device and the wind speed adjustment executing mechanism. The film-soil separating device is used for solving the problem that in the prior art, film and soil cannot be effectively separated, and the film-soil separating efficiency is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of residual film recovery of agricultural machinery, and in particular relates to a film-impurity separation device suitable for a residual film recovery machine. Background Art

[0002] The residual film recycling machine is a machine used to clean and recycle the residual film in the farmland. If the residual film in the field is not recycled, it will cause environmental pollution. The current residual film recycling machine has a poor effect in separating film from impurities. There are often a lot of stubble and other debris in the recycled residual film, which cannot achieve effective separation of film and soil, and the separation efficiency is low. Utility Model Content

[0003] In view of the above technical problems, the utility model provides a film-impurity separation device and a residual film recovery machine suitable for a residual film recovery machine, so as to solve the problem that the film and soil cannot be effectively separated in the prior art, and effectively improve the film-soil separation efficiency.

[0004] Note that the description of these purposes does not prevent the existence of other purposes. One mode of the present invention does not need to achieve all of the above purposes. Purposes other than the above purposes can be extracted from the description of the specification, drawings, and claims.

[0005] The utility model achieves the above technical purpose through the following technical means.

[0006] A film-impurity separation device suitable for a residual film recovery machine comprises a film blowing fan mechanism, a film suction fan mechanism, a film collecting mechanism, a frame, a detection device, a wind speed regulating actuator, a walking mechanism and a controller; the film blowing fan mechanism, the film suction fan mechanism and the film collecting mechanism are all installed on the frame; the film blowing fan mechanism is located below the screening mechanism of the residual film recovery machine, the air suction port of the film suction fan mechanism is located above the screening mechanism of the residual film recovery machine, and the air outlet of the film suction fan mechanism is connected with the film collecting mechanism; the walking mechanism is installed at the bottom of the frame; the detection device is used to detect the rotation speed and sound signal of the film blowing fan mechanism and the film suction fan mechanism and transmit them to the controller; the wind speed regulating actuator is respectively connected to the film blowing fan mechanism and the film suction fan mechanism; the controller is respectively connected to the detection device and the wind speed regulating actuator; the controller compares the rotation speed and sound signal detected by the detection device with the preset value, and when the preset value is exceeded, controls the wind speed regulating actuator to adjust the rotation speed of the film blowing fan mechanism and the film suction fan mechanism.

[0007] In the above scheme, the wind speed adjustment actuator includes a fan speed regulating mechanism and a speed regulating motor; the fan speed regulating mechanism is connected to the film blowing fan mechanism; the speed regulating motor is connected to the film suction fan mechanism; the controller is connected to the fan speed regulating mechanism and the speed regulating motor respectively;

[0008] The controller compares the rotation speed and sound signal detected by the detection device with the preset value. When the preset value is exceeded, the fan speed regulating mechanism is controlled to adjust the rotation speed of the film blowing fan mechanism, and the speed regulating motor is controlled to adjust the rotation speed of the film suction fan mechanism.

[0009] In the above solution, the controller is connected to the fan speed regulating mechanism through the first relay; the controller is connected to the speed regulating motor through the second relay.

[0010] In the above scheme, the film blowing fan mechanism includes a film blowing fan casing, a first impeller blade, a first fan shaft, an impeller plate, and a first square bearing seat; the first impeller blade is installed on the impeller plate, the impeller plate is installed on the first fan shaft, the first fan shaft is installed in the film blowing fan casing, and both ends of the first fan shaft pass through the film blowing fan casing and are installed on the first square bearing seat through bearings, and the first square bearing seat is installed on the side panel of the frame.

[0011] In the above scheme, the film suction fan mechanism includes a film suction fan casing, a second impeller, a second fan shaft, a screen, a film suction box and a second square bearing seat; the second impeller is located in the film suction fan casing and is installed on the second fan shaft, and the second fan shaft is installed on the frame through the second square bearing seat; the film suction box is located below the inlet of the film suction fan casing, and the screen is located between the film suction box and the inlet of the film suction fan casing; the outlet of the film suction fan casing is connected to the film collecting mechanism.

[0012] In the above scheme, the film collecting mechanism includes a film collector, a film collecting box, a receiving plate and a film collecting pipe; the film collecting box is installed on the receiving plate, one end of the film collecting pipe is connected to the outlet of the film suction fan housing, and the other end is connected to the inlet of the film collector, and the outlet of the film collector is connected to the film collecting box; the residual film enters the film collector through the film collecting pipe, and finally enters the film collecting box due to wind pressure.

[0013] In the above scheme, the detection device includes a Hall sensor and a sound sensor; the Hall sensor is installed on the first square bearing seat; the Hall sensor is connected to the controller; the sound sensor is installed on the film blowing fan casing and the film suction fan casing, and the sound sensor is connected to the controller.

[0014] In the above scheme, the fan speed regulating mechanism includes a driving wheel, a driven wheel, a tensioning wheel, a support plate, an electric push rod, a fixing bolt and a gasket; the driving wheel and the driven wheel are connected by a transmission belt, the tensioning wheel is in contact with the transmission belt, the support plate is mounted on the side plate, the support plate is mounted on the side plate, the electric push rod is mounted on the lower side of the support plate, the tensioning wheel is mounted on the lower side of the electric push rod and is connected to the support plate; the driving wheel is connected to the power source, the driven wheel is connected to the film blowing fan mechanism, and the speed of the film blowing fan mechanism is adjusted by adjusting the pressing force of the electric push rod on the tensioning wheel.

[0015] The above scheme also includes a hydraulic cylinder mechanism; hydraulic cylinder mechanisms are respectively provided on both sides of the side plate of the frame; the hydraulic cylinder mechanism includes a hydraulic cylinder mounting plate, a hydraulic cylinder fixing pin and a hydraulic cylinder; the upper side of the hydraulic cylinder is connected to the side plate through the hydraulic cylinder mounting plate and the hydraulic cylinder fixing pin, and the lower side of the hydraulic cylinder is connected to the walking mechanism.

[0016] A residual film recovery machine comprises the film impurity separation device suitable for the residual film recovery machine.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The film blowing fan mechanism of the film-impurity separation device of the utility model enables the residual film and impurities to achieve the first film-impurity separation, and the film suction fan mechanism enables the residual film and impurities to achieve the second film-soil separation; the hydraulic cylinder mechanism can adjust the operating height of the film-impurity separation device; the film collecting mechanism is used to collect the residual film; the fan speed regulating mechanism controls the speed of the film blowing fan mechanism by controlling the electric push rod to compress the tension wheel, thereby improving the effect of film-impurity separation. This utility model patent can effectively achieve film-impurity separation, effectively solves the problem that the residual film recovery machine cannot separate the film and impurities, and cannot control the fan speed in real time, and improves the efficiency of film-impurity separation. It is used to solve the problems of the inability to effectively separate film and soil, the residual film carrying stubble, and the low efficiency of film-soil separation in the prior art.

[0019] Note that the description of these effects does not prevent the existence of other effects. One mode of the present invention does not necessarily have all of the above effects. Effects other than the above can be clearly seen and extracted from the description of the specification, drawings, claims, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of a membrane impurity separation device suitable for a residual membrane recovery machine according to one embodiment of the utility model. Figure 1 ;

[0021] Figure 2 This is a schematic diagram of the structure of a membrane impurity separation device suitable for a residual membrane recovery machine according to one embodiment of the utility model. Figure 2 ;

[0022] Figure 3 This is a schematic diagram of the structure of a membrane impurity separation device suitable for a residual membrane recovery machine according to one embodiment of the utility model. Figure 3 ;

[0023] Figure 4 This is a schematic diagram of the internal structure of a membrane impurity separation device suitable for a residual membrane recovery machine according to one embodiment of the utility model;

[0024] Figure 5 It is an enlarged schematic diagram of a film blowing blower mechanism according to one embodiment of the utility model;

[0025] Figure 6 It is an enlarged schematic diagram of a film suction fan mechanism according to one embodiment of the utility model;

[0026] Figure 7 This is an enlarged schematic diagram of the installation of a hydraulic cylinder mechanism according to one embodiment of the utility model;

[0027] Figure 8 It is an enlarged schematic diagram of a film collecting mechanism according to one embodiment of the utility model;

[0028] Fig. 9 It is an enlarged schematic diagram of a fan speed regulating mechanism according to one embodiment of the utility model;

[0029] Fig.10 This is a flow chart of a control system according to one embodiment of the present invention.

[0030] In the figure: 1. Film blowing fan mechanism; 101. Film blowing fan housing; 102. First impeller blade; 103. First fan shaft; 104. Impeller plate; 105. First square bearing seat; 2. Film suction fan mechanism; 201. Film suction fan housing; 202. Second impeller blade; 203. Second fan shaft; 204. Screen; 205. Film suction box; 206. Second square bearing seat; 3. Hydraulic cylinder mechanism; 301. Hydraulic cylinder mounting plate; 302. Hydraulic cylinder fixing pin; 303. Hydraulic cylinder; 4. Film collecting mechanism; 401. Film collector; 402. Film collecting box; 403. Receiver plate; 404. Film collecting pipe; 5. Frame; 6. Detection device; 601. Hall sensor; 602. Sound sensor; 7. Fan speed regulating mechanism; 701. Driving wheel; 702. Driven wheel; 703. Tensioning wheel; 704. Support plate; 705. Electric push rod; 706. Fixing bolt; 707. Gasket; 8. Traveling wheel mechanism; 801. Wheel hub; 802. Wheel axle; 803. Traveling wheel bracket; 9. Side plate; 10. Speed ​​regulating motor; 11. Commutator; 12. Screening mechanism. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "front", "back", "left", "right", "up", "down", "axial", "radial", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Example 1

[0034] Figure 1-4 The figure shows a preferred embodiment of the film impurity separation device suitable for the residual film recovery machine of the utility model, which comprises a film blowing fan mechanism 1, a film suction fan mechanism 2, a film collecting mechanism 4, a frame 5, a detection device 6, a wind speed adjustment actuator, a walking mechanism and a controller;

[0035] The film blowing fan mechanism 1, the film suction fan mechanism 2, and the film collecting mechanism 4 are all installed on the frame 5; the film blowing fan mechanism 1 is located below the screening mechanism 12 of the residual film recovery machine, the suction port of the film suction fan mechanism 2 is located above the screening mechanism 12 of the residual film recovery machine, and the air outlet of the film suction fan mechanism 2 is connected with the film collecting mechanism 4; the walking mechanism is installed at the bottom of the frame 5; the detection device 6 is used to detect the rotation speed and sound signal of the film blowing fan mechanism 1 and the film suction fan mechanism 2 and transmit them to the controller; the wind speed adjustment actuator is respectively connected to the film blowing fan mechanism 1 and the film suction fan mechanism 2; the controller is respectively connected to the detection device 6 and the wind speed adjustment actuator; the controller compares the rotation speed and sound signal detected by the detection device 6 with the preset value, and when it exceeds the preset value, controls the wind speed adjustment actuator to adjust the rotation speed of the film blowing fan mechanism 1 and the film suction fan mechanism 2.

[0036] Preferably, the wind speed regulation actuator includes a fan speed regulation mechanism 7 and a speed regulation motor 10; the fan speed regulation mechanism 7 is connected to the film blowing fan mechanism 1; the speed regulation motor 10 is connected to the film suction fan mechanism 2; the controller is respectively connected to the fan speed regulation mechanism 7 and the speed regulation motor 10; the controller compares the rotation speed and sound signal detected by the detection device 6 with the preset value, and when it exceeds the preset value, controls the fan speed regulation mechanism 7 to adjust the rotation speed of the film blowing fan mechanism 1, and controls the speed regulation motor 10 to adjust the rotation speed of the film suction fan mechanism 2, so as to better achieve the purpose of film impurity separation.

[0037] Preferably, the controller is connected to the fan speed regulating mechanism 7 through a first relay; the controller is connected to the speed regulating motor 10 through a second relay. The speed regulating motor 10 is connected to the controller input port, and the controller sends a control signal to control the speed of the speed regulating motor 10 through the relay, thereby controlling the speed of the film suction fan mechanism 2 and controlling the effect of film impurity separation.

[0038] like Figure 4 and 5 As shown, preferably, the film blowing fan mechanism 1 includes a film blowing fan casing 101, a first impeller blade 102, a first fan shaft 103, an impeller plate 104, and a first square bearing seat 105; the first impeller blade 102, the first impeller blade 102 is installed on the impeller plate 104, the impeller plate 104 is installed on the first fan shaft 103, the first fan shaft 103 is installed in the film blowing fan casing 101, and both ends of the first fan shaft 103 pass through the film blowing fan casing 101 and are installed on the first square bearing seat 105 through bearings, and the first square bearing seat 105 is installed on the side plate 9 of the frame 5.

[0039] In a specific embodiment of the utility model, the film blowing fan mechanism 1 is placed at an angle of 45 degrees upward with the side plate 9 below the screening mechanism 12 of the recycling machine, the film blowing fan housing 101 is a bent sheet metal part, the film blowing fan housing 101 is connected to the side plate 9 by bolts, the fan speed regulating mechanism 7 is connected to the film blowing fan mechanism 1 by a belt, and then the first impeller blade 102 and the impeller plate 104 are driven to rotate through the first fan shaft 103 to achieve the first film impurity separation. Preferably, the film blowing fan mechanism 1 is a low-pressure axial flow fan with large air volume and low air pressure.

[0040] like Figure 4 and 6As shown, preferably, the film suction fan mechanism 2 includes a film suction fan casing 201, a second impeller blade 202, a second fan shaft 203, a screen 204, a film suction box 205 and a second square bearing seat 206; the second impeller blade 202 is located in the film suction fan casing 201 and is installed on the second fan shaft 203, and the second fan shaft 203 is installed on the frame 5 through the second square bearing seat 206.

[0041] The film suction box 205 is located below the inlet of the film suction fan housing 201 , and the screen 204 is located between the film suction box 205 and the inlet of the film suction fan housing 201 ; the outlet of the film suction fan housing 201 is connected to the film collecting mechanism 4 .

[0042] Preferably, the film suction fan mechanism 2 has multiple ones. In a specific embodiment of the present utility model, the film suction fan mechanism 2 has three ones, such as Figure 2 , 3 As shown in Figures 4 and 5, the film suction fan housing 201 is placed horizontally and equidistantly above the film suction box 205, and is placed parallel to the side plate 9 of the residual film recovery machine. The controller controls the speed regulating motor 10 and transmits it to the second fan shaft 203 through the commutator 11, and the second impeller blade 202 rotates to realize the second film-impurity separation.

[0043] Specifically, the second fan shafts 203 are connected by belts, and the three second fan shafts 203 can achieve synchronous rotation. Using the same power source, the second fan shaft 203 and the second impeller blade 202 are connected by welding. The controller can control the rotation of the pulley by controlling the speed regulating motor 10 and transmit the power to the second film-absorbing fan shaft 203 through the commutator 11. When the second impeller blade 202 rotates, the fan speed can be adjusted to absorb the residual film. Preferably, the film-absorbing fan mechanism 2 is a high-pressure centrifugal fan, which is characterized by high wind pressure and small air volume. Figure 8 As shown, preferably, it also includes a hydraulic cylinder mechanism 3; the hydraulic cylinder mechanism 3 is respectively installed on both sides of the side plate 9 of the frame 5; the hydraulic cylinder mechanism 3 includes a hydraulic cylinder mounting plate 301, a hydraulic cylinder fixing pin 302 and a hydraulic cylinder 303; the upper side of the hydraulic cylinder 303 is connected to the side plate 9 through the hydraulic cylinder mounting plate 301 and the hydraulic cylinder fixing pin 302, and the lower side of the hydraulic cylinder 303 is connected to the walking mechanism. The hydraulic cylinder 303 can adjust the forward height of the residual film recovery machine according to the working conditions.

[0044] like Figure 8As shown, preferably, the film collecting mechanism 4 includes a film collector 401, a film collecting box 402, a receiving plate 403 and a film collecting pipe 404; the film collecting box 402 is installed on the receiving plate 403, one end of the film collecting pipe 404 is connected to the outlet of the film suction fan housing 201, and the other end is connected to the inlet of the film collector 401, and the outlet of the film collector 401 is connected to the film collecting box 402; the residual film enters the film collector 401 through the film collecting pipe 404, and after reaching a certain mass in the film collector 401, it is discharged from the lower end through wind pressure to reach the film collecting box 402.

[0045] Preferably, the detection device 6 includes a Hall sensor 601 and a sound sensor 602; the Hall sensor 601 is installed on the first square bearing seat 105, and is used to detect the rotation speed of the film blowing fan mechanism 1 and transmit it to the controller; the sound sensor is installed on the film blowing fan casing 101 and the film suction fan casing 201, and is used to detect whether there is foreign matter entering the film blowing fan casing 101 and the film suction fan casing 201.

[0046] like Fig. 9 As shown, preferably, the fan speed regulating device 7 includes a driving wheel 701, a driven wheel 702, a tensioning wheel 703, a support plate 704, an electric push rod 705, a fixing bolt 706 and a gasket 707; the driving wheel 701 and the driven wheel 702 are connected by a transmission belt, the tensioning wheel 703 is in contact with the transmission belt, the support plate 704 is mounted on the side plate 9, the support plate 704 is mounted on the side plate 9 by welding, the electric push rod 705 is mounted on the lower side of the support plate 704, the tensioning wheel 703 is mounted on the lower side of the electric push rod 705, and is connected to the support plate 704 by fixing bolts 706 and gaskets 707. The electric push rod 705 can move up and down, and the controller can send a control signal to cooperate with the first relay to push the electric push rod 705 to press the tensioning wheel 703. The controller controls the speed of the film blowing fan mechanism 1 by controlling the electric push rod 705 to control the tensioning wheel 703. The driven wheel 701 of the fan speed regulating mechanism 7 is connected to the first fan shaft 103 of the film blowing fan mechanism 1 through a key, and the tractor output shaft is connected to the driving wheel 701, and the power is output to the driving wheel 701 to drive the driven wheel 702 to rotate and compress the tensioning wheel 703 through the electric push rod 705 to achieve the purpose of controlling the rotation speed of the film blowing fan mechanism 1.

[0047] Preferably, the traveling mechanism is a traveling wheel mechanism 8 ; the lower side of the hydraulic cylinder 303 is connected to the traveling wheel support frame 803 of the traveling wheel mechanism 8 via a hydraulic cylinder fixing pin 302 .

[0048] like Fig.10As shown, it also includes an industrial display screen, which is connected to the controller to display data for real-time acquisition of parameters such as fan speed. Then the operator can make adjustments. The detection device 6 is connected to the controller; the controller is connected to the fan speed regulating mechanism 7 through the first relay, and the controller is connected to the speed regulating motor 10 through the second relay.

[0049] The detection device 6 detects the rotational speeds of the film blowing fan mechanism 1 and the film suction fan mechanism 2, as well as the sound signals, and transmits them to the controller; the controller compares the rotational speed and sound signals detected by the detection device 6 with the preset values. When the preset values ​​are exceeded, the controller controls the electric push rod 705 to adjust the rotational speed of the film blowing fan mechanism 1, and adjusts the rotational speed of the film suction fan mechanism 2 through the speed regulating motor 10.

[0050] In a specific embodiment of the present utility model, the film blowing fan mechanism 1 is connected to the side plate 9 of the residual film recovery machine as a whole, and is placed at an angle of 45 degrees relative to the horizontal plane. One end of the film suction fan mechanism 1 is the air inlet, and the other end is the air outlet. Specifically, the air outlet is 2000mm long and 400mm wide. The film blowing fan housing 101 is fixed to the side plate 9 of the residual film recovery machine by bolts and the first square bearing seat 405. The first fan shaft 103 is connected to the fan speed regulating mechanism 7. The film suction fan mechanism 2 is located above the film blowing fan mechanism 1. The film impurity mixture screened by the screening mechanism 12 of the residual film recovery machine reaches the bottom of the film suction fan mechanism 2, and the film and some impurities enter the film suction fan mechanism 2 through the stirring of the film blowing fan mechanism 1 below. The hydraulic cylinder mechanism 3 is placed on the upper side of the walking wheel mechanism 8, and is connected to the walking wheel axle through the walking wheel support frame 803 to adjust the working height. The film collecting mechanism 4 is placed above the frame 5.

[0051] Example 2

[0052] A residual film recovery machine includes the film impurity separation device suitable for the residual film recovery machine described in Example 1, so it has the beneficial effects of Example 1 and will not be repeated here.

[0053] It should be understood that although this specification is described according to various embodiments, not every embodiment contains only one independent technical solution. This narrative method 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 methods that can be understood by those skilled in the art.

[0054] The series of detailed descriptions listed above are only specific descriptions of feasible embodiments of the present invention. They are not intended to limit the protection scope of the present invention. All equivalent embodiments or changes that do not deviate from the technical spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A membrane impurity separation device suitable for a residual membrane recovery machine, characterized in that: It comprises a film blowing fan mechanism (1), a film suction fan mechanism (2), a film collecting mechanism (4), a frame (5), a detection device (6), a wind speed adjustment actuator, a walking mechanism and a controller; The film blowing fan mechanism (1), the film suction fan mechanism (2), and the film collecting mechanism (4) are all mounted on a frame (5); the film blowing fan mechanism (1) is located below the screening mechanism (12) of the residual film recovery machine, the air suction port of the film suction fan mechanism (2) is located above the screening mechanism (12) of the residual film recovery machine, and the air outlet of the film suction fan mechanism (2) is connected to the film collecting mechanism (4); the walking mechanism is mounted at the bottom of the frame (5); The detection device (6) is used to detect the rotation speed and sound signal of the film blowing fan mechanism (1) and the film suction fan mechanism (2) and transmit the same to the controller; The wind speed adjustment actuator is connected to the film blowing fan mechanism (1) and the film suction fan mechanism (2) respectively; The controller is connected to the detection device (6) and the wind speed adjustment actuator respectively.

2. The membrane impurity separation device suitable for a residual membrane recovery machine according to claim 1, characterized in that: The wind speed regulating actuator comprises a fan speed regulating mechanism (7) and a speed regulating motor (10); The fan speed regulating mechanism (7) is connected to the film blowing fan mechanism (1); The speed regulating motor (10) is connected to the film suction fan mechanism (2); The controller is connected to the fan speed regulating mechanism (7) and the speed regulating motor (10) respectively.

3. The membrane impurity separation device suitable for a residual membrane recovery machine according to claim 1, characterized in that: The controller is connected to the fan speed regulating mechanism (7) via a first relay; and the controller is connected to the speed regulating motor (10) via a second relay.

4. The membrane impurity separation device suitable for a residual membrane recovery machine according to claim 1, characterized in that: The film blowing fan mechanism (1) comprises a film blowing fan housing (101), a first impeller blade (102), a first fan shaft (103), an impeller plate (104), and a first square bearing seat (105); The first impeller blade (102) is mounted on an impeller plate (104), the impeller plate (104) is mounted on a first fan shaft (103), the first fan shaft (103) is mounted in a film blowing fan housing (101), and both ends of the first fan shaft (103) pass through the film blowing fan housing (101) and are mounted on a first square bearing seat (105) via bearings, and the first square bearing seat (105) is mounted on a side plate (9) of the frame (5).

5. The membrane impurity separation device suitable for a residual membrane recovery machine according to claim 1, characterized in that: The film suction fan mechanism (2) comprises a film suction fan casing (201), a second impeller blade (202), a second fan shaft (203), a screen (204), a film suction box (205) and a second square bearing seat (206); The second impeller blade (202) is located in the film suction fan housing (201) and is mounted on a second fan shaft (203); the second fan shaft (203) is mounted on the frame (5) via a second square bearing seat (206); The film suction box (205) is located below the inlet of the film suction fan housing (201), and the screen (204) is located between the film suction box (205) and the inlet of the film suction fan housing (201); the outlet of the film suction fan housing (201) is connected to the film collecting mechanism (4).

6. The membrane impurity separation device suitable for a residual membrane recovery machine according to claim 1, characterized in that: The film collecting mechanism (4) comprises a film collecting device (401), a film collecting box (402), a receiving plate (403) and a film collecting pipeline (404); The film collecting box (402) is installed on the receiving plate (403), one end of the film collecting pipe (404) is connected to the outlet of the film suction fan housing (201), and the other end is connected to the inlet of the film collector (401), and the outlet of the film collector (401) is connected to the film collecting box (402); the residual film enters the film collector (401) through the film collecting pipe (404), and finally enters the film collecting box (402) due to wind pressure.

7. The membrane impurity separation device suitable for a residual membrane recovery machine according to claim 1, characterized in that: The detection device (6) comprises a Hall sensor (601) and a sound sensor (602); The Hall sensor (601) is installed on the first square bearing seat (105); the Hall sensor (601) is connected to the controller; the sound sensor (602) is installed on the film blowing fan housing (101) and the film suction fan housing (201), and the sound sensor (602) is connected to the controller.

8. The membrane impurity separation device suitable for a residual membrane recovery machine according to claim 2, characterized in that: The fan speed regulating mechanism (7) comprises a driving wheel (701), a driven wheel (702), a tensioning wheel (703), a support plate (704), an electric push rod (705), a fixing bolt (706) and a gasket (707); The driving wheel (701) and the driven wheel (702) are connected via a transmission belt, the tensioning wheel (703) is in contact with the transmission belt, the support plate (704) is mounted on the side plate (9), the electric push rod (705) is mounted on the lower side of the support plate (704), the tensioning wheel (703) is mounted on the lower side of the electric push rod (705) and is connected to the support plate (704); the driving wheel (701) is connected to a power source, the driven wheel (702) is connected to a film blowing fan mechanism (1), and the rotation speed of the film blowing fan mechanism (1) is adjusted by adjusting the pressing force of the electric push rod (705) on the tensioning wheel (703).

9. The membrane impurity separation device suitable for a residual membrane recovery machine according to claim 1, characterized in that: It also includes a hydraulic cylinder mechanism (3); Hydraulic cylinder mechanisms (3) are respectively provided on both sides of the side plate (9) of the frame (5); The hydraulic cylinder mechanism (3) comprises a hydraulic cylinder mounting plate (301), a hydraulic cylinder fixing pin (302) and a hydraulic cylinder (303); the upper side of the hydraulic cylinder (303) is connected to the side plate (9) via the hydraulic cylinder mounting plate (301) and the hydraulic cylinder fixing pin (302), and the lower side of the hydraulic cylinder (303) is connected to the walking mechanism.

10. A residual film recycling machine, characterized in that: It comprises the membrane impurity separation device suitable for a residual film recovery machine as described in any one of claims 1-9.

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