A polycarbonate film edge material recovery device

Abstract

The present invention provides a polycarbonate film edge material recovery device, which relates to the technical field of film edge material recovery devices, including: a butt plug is welded on the clamping ring on the rear side; a push ring is slidably installed on the butt plug, and the push ring is located on the front side of the conveying hose and is used to push and drive the conveying hose to be pulled out and separated from the butt plug; a semi-circular top ring that slides straight forward and backward is installed on the top of the upper recovery cylinder, and the semi-circular top ring slides backward and contacts with the push ring; a driving handle is rotatably installed above the top of the upper recovery cylinder, and the head end of the driving handle is connected to an L-shaped swing rod, and a connecting rod is rotatably connected between the L-shaped swing rod and the semi-circular top ring. The driving handle and the L-shaped swing rod actually form a labor-saving lever mechanism, which can multiply the thrust applied by the hand to the semi-circular top ring, so that the hand can easily and easily separate and disassemble the conveying hose from the butt plug with the help of the labor-saving lever mechanism.

Description

Technical Field

[0001] The invention relates to the technical field of film edge material recovery devices, in particular to a polycarbonate film edge material recovery device. Background Art

[0002] Film scraps refer to the edge parts of plastic film produced after cutting during the production process, which are usually discarded. However, these film scraps still have certain value because they can be used again to produce plastic products, thereby reducing waste and costs. Film scrap recycling equipment or devices are used to recycle film scraps.

[0003] The film edge material recovery device of the negative pressure suction conveying type generally has a soft air duct at the tail end of the negative pressure suction conveying pipeline that conveys the collected film to the subsequent crushing process. In order to ensure the sealing and stability of the sleeve connection, the soft conveying air duct and the negative pressure suction conveying pipeline are mostly interference-fitted, which leads to a large friction resistance between the soft conveying air duct and the negative pressure suction conveying pipeline.

[0004] Most of the existing film edge material recovery devices lack a mechanism that can assist in the extraction and disassembly of the soft conveying air duct. Generally, the pipe needs to be directly pulled out and disassembled by hand. However, the torque directly output by the hand is limited after all, which makes it difficult to overcome the above large friction resistance. The successful extraction and disassembly of the soft conveying air duct is relatively troublesome and laborious.

[0005] Furthermore, when the soft transmission air duct is manually pulled out, the inertial force acting on the hand that is not removed in time may cause the hand or the entire body to quickly move back in the direction of the pulling force, causing collision injuries, resulting in poor safety of the soft transmission air duct removal operation. Summary of the invention

[0006] In view of this, the present invention provides a polycarbonate film edge material recovery device to solve the problem that there is a lack of a mechanism that can assist in the extraction and disassembly of soft transmission air ducts, and generally the pipes need to be directly pulled out and disassembled manually, which is troublesome and laborious to operate.

[0007] The technical solution proposed by the present invention is: a polycarbonate film edge material recovery device, specifically comprising a centrifugal fan and a recovery cylinder; a vertical air outlet pipe is welded to the top part of the circumferential shell wall of the centrifugal fan, and a recovery cylinder is welded to the top of the vertical air outlet pipe;

[0008] Two clamping rings are symmetrically installed on the vertical air outlet pipe in a sliding manner; the recovery cylinder as a whole is composed of two upper and lower semi-cylinders connected together, and semi-conical covers are welded on the front and rear ends of the semi-cylinder. Under normal conditions, the clamping ring and the semi-conical cover are in sliding contact to press the two semi-cylinders together; a docking plug is welded on the rear clamping ring, and a delivery hose is connected to the docking plug;

[0009] A push ring is slidably installed on the docking plug, and the push ring is located at the front side of the conveying hose and is used for pushing and driving the conveying hose to be separated from the docking plug; a semi-circular top ring that slides straight forward and backward is installed on the top of the recovery cylinder on the upper side, and the semi-circular top ring slides backward and comes into contact with the push ring; a driving handle is rotatably installed above the top of the recovery cylinder on the upper side, and the head end of the driving handle is connected to an L-shaped rocker rod, and a connecting rod is rotatably connected between the L-shaped rocker rod and the semi-circular top ring.

[0010] Furthermore, a circle of pushing blocks is welded around the inner circle of the pushing ring, and a circle of sliding grooves with strip structures is arranged around the circumferential outer wall of the docking plug, and the pushing blocks are slidably matched with the sliding grooves.

[0011] Furthermore, a sliding square rod supporting forward is welded at the middle position of the top of the semi-dome ring, and a positioning square sleeve is welded at the top of the upper semi-cylinder. The sliding square rod and the positioning square sleeve are slidably matched, the head end of the connecting rod is rotatably connected to the head end of the L-shaped rocker arm, and the tail end is rotatably connected to the head end of the sliding square rod.

[0012] Furthermore, a U-shaped vertical support frame is welded at the middle position of the top end of the recovery cylinder on the upper side, and the vertical support part of the L-shaped swing rod is rotatably matched with the middle part of the U-shaped vertical support frame.

[0013] Furthermore, the head end of the driving handle is directly welded and fixedly connected to the vertical support portion of the L-shaped swing arm.

[0014] Furthermore, two square rod sleeves are symmetrically welded on the front and rear sides of the vertical air outlet duct, and two square sliding rods are welded facing each other at the middle positions of the bottoms of the two clamping rings, and the two square sliding rods are correspondingly slidably matched with the two square rod sleeves;

[0015] Two driving rods supporting each other front and back are welded at the middle positions of the bottoms of the two clamping rings.

[0016] Furthermore, a transversely arranged double-rotation threaded shaft is rotatably mounted on the right side wall of the vertical air outlet duct, and the reverse threaded sections of the double-rotation threaded shaft correspond to the rear end portions of the two driving rods and are screwed together.

[0017] Furthermore, a semicircular clamping ring is welded at the head end of the semiconical cover, and a circular plugging plate is welded in the semicircular clamping ring at the front end of the lower side, and two film feed pipes supporting forward are symmetrically welded through the circular plugging plate;

[0018] When the two semi-cylinders are butted and pressed together, the semi-circular clamping ring at the front end of the upper side slides down and the clamping sleeve is sealed on the circular blocking plate;

[0019] An air guide plate arranged tilted forward is welded inside the lower semi-cylinder at a through opening between the vertical air outlet pipe and the semi-cylinder.

[0020] Furthermore, a sliding sleeve is welded to the head end of the driving handle, and a driving ring is welded to the top end of the vertical support part of the L-shaped swing arm, and the sliding sleeve is slidably matched with the driving ring by pulling with a tension spring;

[0021] The outer circumference of the driving ring is welded with a force block, and the top of the driving ring is welded with a limit stopper, and the angle between the force block and the limit stopper is greater than 90°;

[0022] The driving handle and the sliding sleeve are swung and slid to the right to abut against the force block, so as to impact and drive the semi-dome ring.

[0023] The invention provides a polycarbonate film edge material recovery device, which has the following beneficial effects:

[0024] The driving handle and the L-shaped rocker arm of the present invention substantially form a labor-saving lever mechanism, wherein the driving handle is a power arm and the L-shaped rocker arm is a resistance arm. The length of the driving handle is much greater than the length of the L-shaped rocker arm, which can multiply the thrust applied by the hand to the semi-dome ring, so that the hand can more easily and easily separate and disassemble the delivery hose from the docking tube with the help of the labor-saving lever mechanism. Compared with the existing technology of directly manually pulling out and disassembling the delivery hose which lacks an auxiliary extraction and disassembly mechanism, the operation is more convenient and labor-saving, and there is no safety hazard of the hand or the entire body being injured by the inertial force of extraction, which helps to improve the safety of the separation and disassembly operation of the delivery hose.

[0025] In addition, a circle of push blocks is inserted in a circle of slide grooves and protrudes from the front side of the internal space of the pipe mouth at the head end of the conveying hose, which can block and limit the conveying hose to prevent the conveying hose from being stuck in the gap between the push rings during the process of being pushed, squeezed and disassembled by the push ring, thereby hindering the continuous sliding of the push ring and affecting the normal and effective implementation of the thrust disassembly operation.

[0026] In addition, the docking pipe is directly welded to the clamping ring on the rear side, which enables the double-rotation threaded shaft to drive the delivery hose and the recovery barrel to dock, assemble and disassemble when driving the rear clamping ring to slide back and forth to loosen or tighten. This eliminates the need for additional manual disassembly and assembly of the delivery hose every time the recovery barrel is disassembled and unblocked, helping to simplify the overall unblocking operation steps of the recovery barrel and improve the efficiency of unblocking operations.

[0027] In addition, through the sliding sleeve, the driving handle can quickly slide around the driving circle, and the impact drives the force block, the driving circle and the L-shaped rocker arm to swing to the left, and implements a force-added push drive on the semi-dome circle, further increasing the thrust applied to the semi-dome circle by the hand, making the separation and disassembly of the conveying hose and the docking tube easier and calmer, and the operation is more convenient and labor-saving; the angle between the force block and the limit block is greater than 90°, which can ensure that there is enough travel between the force block and the limit block for the sliding and impact movement of the sliding sleeve and the driving handle, ensuring the normal and effective implementation of the impact force-added drive function. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0029] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0030] In the attached picture:

[0031] Figure 1 A schematic diagram of the overall rear structure of the first embodiment of the present invention is shown;

[0032] Figure 2 A schematic diagram of the overall front structure of the first embodiment of the present invention is shown;

[0033] Figure 3 A schematic diagram of the right side structure of the recovery drum in the first embodiment of the present invention is shown;

[0034] Figure 4 A schematic diagram showing the separation and disassembly state of the recovery tube in the first embodiment of the present invention is shown;

[0035] Figure 5 A schematic diagram of the structure of the air guide plate according to the first embodiment of the present invention is shown;

[0036] Figure 6 A schematic diagram of the bottom structure of the vertical air outlet duct according to the first embodiment of the present invention is shown;

[0037] Figure 7 A schematic diagram of the docking and splicing structure of the first embodiment of the present invention is shown;

[0038] Figure 8 A schematic diagram of the structure of a driving handle bar according to a first embodiment of the present invention is shown;

[0039] Fig. 9 A schematic diagram showing the installation position of the driving handle bar according to the second embodiment of the present invention is shown;

[0040] Fig.10 A schematic diagram of the structure of a driving handle bar according to a second embodiment of the present invention is shown;

[0041] Reference numerals list

[0042] 1. Centrifugal fan; 101. Vertical air outlet duct; 102. Double-rotation threaded shaft; 103. Square rod sleeve;

[0043] 2. Recovery cylinder; 201. Circular blocking plate; 202. Film feeding pipe; 203. U-shaped vertical support frame; 204. Positioning square sleeve; 205. Butt joint plate; 206. Air guide plate; 207. Semi-conical cover; 2071. Semi-circular clamping ring;

[0044] 3. Clamping ring; 301. Docking tube; 3011. Slide groove; 302. Push ring; 3021. Push block; 303. Square slide rod; 304. Drive rod;

[0045] 4. Delivery hose;

[0046] 5. Semi-circular top ring; 501. Sliding square rod;

[0047] 6. Driving handle; 601. L-shaped rocker; 602. Connecting rod; 603. Driving ring; 6031. Force block; 6032. Limit stop block; 604. Sliding sleeve. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0049] Please refer to Figures 1 to 8 , Embodiment 1:

[0050] For the convenience of description, the two sides where the film feed pipe 202 and the conveying hose 4 are installed are marked as the front-to-back direction, and the side where the driving rod 304 is installed is marked as the right direction:

[0051] The present invention provides a polycarbonate film edge material recovery device, comprising a centrifugal fan 1 and a recovery drum 2; a vertical air outlet pipe 101 is welded to the top portion of the circumferential shell wall of the centrifugal fan 1, and a recovery drum 2 is welded to the top end of the vertical air outlet pipe 101;

[0052] Among them, two clamping rings 3 are symmetrically installed on the vertical air outlet 101 in a sliding manner; the recovery cylinder 2 is composed of two upper and lower semi-cylinders connected together. When the recovery cylinder 2 is blocked, the upper and lower semi-cylinders can be separated and opened to clear the blockage, and semi-conical covers 207 are welded at the front and rear ends of the semi-cylinder. Under normal circumstances, the clamping ring 3 and the semi-conical cover 207 are slidably abutted to press the two semi-cylinders together; a docking plug 301 is welded on the rear clamping ring 3, and a delivery hose 4 is inserted and connected to the docking plug 301;

[0053] A push ring 302 is slidably installed on the docking plug 301, and the push ring 302 is located at the front side of the conveying hose 4 and is used for pushing and driving the conveying hose 4 to be pulled out and separated from the docking plug 301; a semi-circular top ring 5 that slides straight back and forth is installed on the top of the upper semi-cylinder, and the semi-circular top ring 5 slides backward to contact with the push ring 302; a driving handle 6 is rotatably installed above the top of the upper semi-cylinder, and the head end of the driving handle 6 is connected to an L-shaped rocker 601, and a connecting rod 602 is rotatably connected between the L-shaped rocker 601 and the semi-circular top ring 5. The driving handle 6, the L-shaped rocker 601, the connecting rod 602 and the semi-circular top ring 5 are connected together to form a crank slider mechanism, through which the driving handle 6 can be swung rightward to drive the semi-circular top ring 5 to slide backward. The delivery hose 4 is pushed and pulled out, and the driving handle 6 and the L-shaped swing rod 601 actually form a labor-saving lever mechanism, wherein the driving handle 6 is a power arm, and the L-shaped swing rod 601 is a resistance arm. The length of the driving handle 6 is much greater than the length of the L-shaped swing rod 601, which can multiply the thrust applied by the hand to the semi-circular top ring 5, so that the hand can easily and easily separate and disassemble the delivery hose 4 from the docking plug 301 with the help of the labor-saving lever mechanism. Compared with the existing technology of directly manually pulling out and disassembling the delivery hose 4 without an auxiliary extraction and disassembly mechanism, the operation is more convenient and labor-saving, and there is no safety hazard of the hand or the whole body being injured by the inertial force of the extraction, which helps to improve the safety of the separation and disassembly operation of the delivery hose 4;

[0054] Under normal conditions, the delivery hose 4 can push the push ring 302 and the semi-circular top ring 5 against the initial state of forward sliding (refer to Figure 3 ), driving the control driving handle bar 6, L-shaped rocker arm 601 and connecting rod 602 to swing back and maintain a state of being aligned vertically and horizontally with the sliding square rod 501 and aligned front to back, avoiding the driving handle bar 6, L-shaped rocker arm 601 and connecting rod 602 from swinging out of the support for a long time, which helps to reduce the occupation of the support space and reduce the probability of collision injury to the staff.

[0055] Preferably, a circle of pushing blocks 3021 is welded around the inner circle of the pushing ring 302, and a circle of strip-shaped sliding grooves 3011 are arranged around the circumferential outer wall of the docking tube 301. The pushing blocks 3021 slide in cooperation with the sliding grooves 3011. A circle of pushing blocks 3021 is used to slide along with the pushing ring 302 to assist in pushing and disassembling the delivery hose 4. A circle of pushing blocks 3021 is inserted into a circle of sliding grooves 3011 and protrudes from the front side of the internal space of the pipe mouth at the head end of the delivery hose 4, which can block and limit the delivery hose 4 to prevent the delivery hose 4 from being stuck in the gap between the pushing ring 302 and the pushing ring 302 during the process of being pushed, squeezed and disassembled by the pushing ring 302, thereby hindering the continuous sliding of the pushing ring 302 and affecting the normal and effective implementation of the thrust disassembly operation.

[0056] Preferably, a forward-supporting sliding square rod 501 is welded at the middle position of the top of the semi-dome ring 5, and a positioning square sleeve 204 is welded at the top of the upper semi-cylinder, the sliding square rod 501 and the positioning square sleeve 204 are slidably fitted through them, the head end of the connecting rod 602 is rotatably connected to the head end of the L-shaped rocker arm 601, and the tail end is rotatably connected to the head end of the sliding square rod 501.

[0057] Preferably, a U-shaped vertical support frame 203 is welded at the middle position of the top end of the upper semi-cylinder, and the vertical support portion of the L-shaped swing arm 601 penetrates and rotates with the middle portion of the U-shaped vertical support frame 203 .

[0058] Preferably, the head end of the driving handle 6 is directly welded and fixedly connected to the vertical support portion of the L-shaped rocker arm 601 .

[0059] Preferably, two square rod sleeves 103 are symmetrically welded on the front and rear sides of the vertical air outlet 101, and two square sliding rods 303 are welded facing each other at the middle position of the bottom of the two clamping rings 3, and the two square sliding rods 303 are correspondingly slidably matched with the two square rod sleeves 103;

[0060] Two driving rods 304 supporting each other front and back are welded at the middle position of the bottom of the two clamping rings 3. The driving rods 304 are in a continuous vertical bending structure, and the inner ring of the clamping ring 3 is in an oblique section structure.

[0061] Preferably, a transversely arranged double-rotational threaded shaft 102 is rotatably installed on the right side wall of the vertical air outlet 101, and the reverse threaded section of the double-rotational threaded shaft 102 corresponds to the tail end portion of the two driving rods 304, and is screwed through and cooperates with it. Through the inclined guiding principle of the semi-conical cover 207 and the clamping ring 3, the double-rotational threaded shaft 102 can rotate forward and reverse to drive the two driving rods 304 and the two clamping rings 3 to slide back and forth toward each other, and the two semi-cylinders are loosened and disassembled, and the docking plug 301 is directly welded to the clamping ring 3 on the rear side. This allows the double-rotational threaded shaft 102 to drive the rear clamping ring 3 to slide back and forth to loosen and tighten, which can drive the delivery hose 4 to dock, assemble and disassemble with the recovery cylinder 2, eliminating the trouble of manually disassembling and assembling the delivery hose 4 every time the recovery cylinder 2 is disassembled and unblocked, which helps to simplify the overall unblocking operation steps of the recovery cylinder 2 and improve the unblocking operation efficiency.

[0062] Preferably, a semicircular clamping ring 2071 is welded at the head end of the semiconical cover 207, and a circular plugging plate 201 is welded in the semicircular clamping ring 2071 at the front end of the lower side, and two film feed pipes 202 supporting forward are symmetrically welded through the circular plugging plate 201;

[0063] When the two semi-cylinders are butted and pressed together, the semi-circular clamping ring 2071 at the front end of the upper side slides down and seals on the circular blocking plate 201;

[0064] Inside the lower semi-cylinder, a wind guide plate 206 arranged forward and tilted is welded at the through-opening of the vertical air outlet pipe 101 and the semi-cylinder. The wind guide plate 206 is used to guide the airflow blown out of the vertical air outlet pipe 101 backward. The airflow guided backward is ejected at high speed through the docking plug 301. According to the Bernoulli principle, the airflow ejected backward at high speed can form a negative pressure suction effect inside the recovery cylinder 2. The recovery cylinder 2 collects the film edge material through the negative pressure suction effect and transmits it to the subsequent process.

[0065] Two docking plates 205 are symmetrically welded on the left and right sides of the circular blocking plate 201, and two positioning pins are symmetrically welded upward on the lower docking plate 205. When the two semi-cylinders are docked and pressed together, the upper docking plate 205 and the lower docking plate 205 are abutted and fit, and the positioning pins are inserted and matched with the upper docking plate 205.

[0066] Based on Example 1, please refer to Example 2. Figures 9 and 10 :

[0067] A sleeve 604 is welded to the head end of the driving handle 6, and a driving ring 603 is welded to the top end of the vertical support part of the L-shaped rocker arm 601. The sleeve 604 is slidably matched with the driving ring 603 by pulling with a tension spring. A force block 6031 is welded to the circumferential outer ring of the driving ring 603, and a limit stop block 6032 is welded to the top end of the driving ring 603. The tension spring is used to pull back and reset the driving handle 6 after use. The limit stop block 6032 can abut against the limit sleeve 604 to keep the driving handle 6 in an idle state parallel to and aligned with the sliding square rod 501.

[0068] Through the sliding sleeve 604, the driving handle 6 can quickly slide around the driving circle 603, and the impact drives the force block 6031, the driving circle 603 and the L-shaped swing rod 601 to swing to the left, and implements a force-added push drive on the semi-dome circle 5, further increasing the thrust applied by the hand to the semi-dome circle 5, making the separation and disassembly operation of the delivery hose 4 and the docking plug 301 easier and calmer, and the operation is more convenient and labor-saving; the angle between the force block 6031 and the limit block 6032 is greater than 90°, which can ensure that there is enough travel between the force block 6031 and the limit block 6032 for the sliding and impact movement of the sliding sleeve 604 and the driving handle 6, ensuring the normal and effective implementation of the impact force-added drive function.

[0069] Working principle: the air guide plate 206 is used to guide the airflow blown out from the vertical air outlet pipe 101 backwards, and the airflow guided backwards is ejected at high speed through the docking plug 301. According to the Bernoulli principle, the airflow ejected backwards at high speed can form a negative pressure suction effect inside the recovery cylinder 2. The recovery cylinder 2 collects the film edge material through the negative pressure suction effect and transmits it to the subsequent process. When the recovery cylinder 2 is blocked, the upper and lower semi-cylinders can be separated and opened to clear the blockage. Under normal conditions, the clamping ring 3 and the semi-conical cover 207 are in sliding contact to press the two semi-cylinders together;

[0070] Through the guiding principle of the inclined plane of the semi-conical cover 207 and the clamping ring 3, the double-rotation threaded shaft 102 can rotate forward and reverse to drive the two driving rods 304 and the two clamping rings 3 to slide back and forth toward each other, and the two semi-cylinders can be loosened and disassembled, and the docking plug 301 is directly welded to the clamping ring 3 on the rear side, so that the double-rotation threaded shaft 102 can drive the delivery hose 4 to dock, assemble, disassemble and separate from the recovery cylinder 2 when driving the rear clamping ring 3 to slide back and forth to loosen and tighten;

[0071] The driving handle 6, the L-shaped swing rod 601, the connecting rod 602 and the semicircular top ring 5 are connected together to form a crank slider mechanism. Through this crank slider mechanism, the driving handle 6 can be swung rightward to drive the semicircular top ring 5 to slide backward to push and pull out the delivery hose 4. The one-circle push block 3021 is used to slide with the push ring 302 to assist in pushing and disassembling the delivery hose 4. The one-circle push block 3021 is inserted into the one-circle slide groove 3011 and protrudes at the front side of the internal space of the first end of the delivery hose 4. The delivery hose 4 can be blocked and limited to prevent the delivery hose 4 from being stuck in the gap between the push ring 302 and the push ring 302 during the process of being pushed, squeezed and disassembled by the push ring 302, thereby hindering the continuous sliding of the push ring 302 and affecting the normal and effective implementation of the thrust disassembly operation.

[0072] Through the sliding sleeve 604 , the driving handle 6 can quickly slide around the driving circle 603 , impacting and driving the force block 6031 , the driving circle 603 and the L-shaped swing rod 601 to swing to the left, thereby applying force to push the semi-dome circle 5 .

[0073] In this article, there are a few points to note:

[0074] 1. The drawings of the embodiments of the present invention only involve structures related to the embodiments of the present invention, and other structures can refer to the general design.

[0075] 2. In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0076] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A polycarbonate film edge material recovery device, comprising: A centrifugal fan (1) and a recovery tube (2); a vertical air outlet pipe (101) is welded to the top end of the circumferential shell wall of the centrifugal fan (1), and a recovery tube (2) is welded to the top end of the vertical air outlet pipe (101); The invention is characterized in that two clamping rings (3) are symmetrically installed on the vertical air outlet pipe (101) for sliding; the recovery cylinder (2) as a whole is composed of two upper and lower semi-cylinders connected together, and semi-conical covers (207) are welded at the front and rear ends of the semi-cylinders. Under normal conditions, the clamping ring (3) and the semi-conical cover (207) are in sliding contact with each other to press the two semi-cylinders together; a docking plug (301) is welded on the rear side of the clamping ring (3), and a delivery hose (4) is inserted and connected to the docking plug (301); A push ring (302) is slidably mounted on the docking plug (301), and the push ring (302) is located at the front side of the delivery hose (4) and is used for pushing and driving the delivery hose (4) to be pulled out and separated from the docking plug (301); a semi-circular top ring (5) that slides straight forward and backward is mounted on the top of the upper recovery cylinder (2), and the semi-circular top ring (5) slides backward and abuts against the push ring (302); a driving handle (6) is rotatably mounted above the top of the upper recovery cylinder (2), and the head end of the driving handle (6) is connected to an L-shaped swing rod (601), and a connecting rod (602) is rotatably connected between the L-shaped swing rod (601) and the semi-circular top ring (5); A U-shaped vertical support frame (203) is welded at the middle position of the top end of the recovery cylinder (2) on the upper side, and the vertical support part of the L-shaped swing rod (601) penetrates and rotates with the middle part of the U-shaped vertical support frame (203); The head end of the driving handle (6) is directly welded and fixedly connected to the vertical support portion of the L-shaped swing rod (601); An air guide plate (206) arranged tilted forward is welded inside the lower semi-cylinder at a through opening between the vertical air outlet pipe (101) and the semi-cylinder.

2. A polycarbonate film edge material recovery device according to claim 1, characterized in that: A circle of pushing blocks (3021) is welded around the inner circle of the pushing ring (302), and a circle of strip-shaped sliding grooves (3011) are arranged around the circumferential outer wall of the docking plug (301), and the pushing blocks (3021) are slidably matched with the sliding grooves (3011).

3. A polycarbonate film edge material recovery device according to claim 2, characterized in that: A sliding square rod (501) supporting forward is welded at the middle position of the top end of the semi-dome ring (5), and a positioning square sleeve (204) is welded at the top end of the upper semi-cylinder. The sliding square rod (501) and the positioning square sleeve (204) are slidably matched with each other. The head end of the connecting rod (602) is rotatably connected to the head end of the L-shaped swing rod (601), and the tail end is rotatably connected to the head end of the sliding square rod (501).

4. A polycarbonate film edge material recovery device according to claim 1, characterized in that: Two square rod sleeves (103) are symmetrically welded on the front and rear sides of the vertical air outlet pipe (101), and two square sliding rods (303) are welded facing each other at the middle positions of the bottoms of the two clamping rings (3), and the two square sliding rods (303) are correspondingly slidably matched with the two square rod sleeves (103); Two driving rods (304) supporting each other in a front-to-back direction are welded at the middle positions of the bottoms of the two clamping rings (3); The inner ring of the clamping ring (3) is in an oblique section structure.

5. A polycarbonate film edge material recovery device according to claim 4, characterized in that: A transversely arranged double-rotation threaded shaft (102) is rotatably mounted on the right side wall of the vertical air outlet pipe (101), and the reverse threaded sections of the double-rotation threaded shaft (102) are correspondingly threadedly engaged with the tail ends of the two driving rods (304) at two locations.

6. A polycarbonate film edge material recovery device according to claim 1, characterized in that: A semicircular clamping ring (2071) is welded to the head end of the semiconical cover (207), and a circular plugging plate (201) is welded in the semicircular clamping ring (2071) at the front end of the lower side, and two film feed pipes (202) supporting forward are symmetrically welded through the circular plugging plate (201); When the two semi-cylinders are butted and pressed together, the semi-circular clamping ring (2071) at the front end of the upper side slides down and seals on the circular blocking plate (201); Two docking plates (205) are symmetrically welded on the left and right sides of the circular blocking plate (201), and two positioning pins are symmetrically welded upward on the lower docking plate (205). When the two semi-cylinders are docked and pressed together, the upper docking plate (205) and the lower docking plate (205) are pressed against each other, and the positioning pins are inserted and matched with the upper docking plate (205).

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