A cotton module opening test bench with rotary positioning and adjustable cutting parameters

Abstract

The present application belongs to the technical field of cotton processing machinery, and discloses a cotton mold opening test bench with rotary positioning and adjustable cutting parameters, which comprises a rack and a set of rotary positioning devices symmetrically arranged on the rack. The rotary positioning device comprises a clamping arm, which is hinged to the rack. A hydraulic cylinder is hinged to the rack at the cylinder body, and the free end of the piston rod of the hydraulic cylinder is hinged to the clamping arm. A embossing roller is rotatably arranged at both ends of the clamping arm. A rubber-coated roller is rotatably arranged at both ends of the clamping arm. A chain transmission system is used to drive the embossing roller and the rubber-coated roller to rotate synchronously. The embossing roller and the rubber-coated roller provide sufficient friction and adhesion. The chain transmission system drives the embossing roller and the rubber-coated roller to rotate synchronously, ensuring that the cotton mold remains stable during rotation, thereby positioning and cutting the cotton mold. The present application solves the problem of cotton mold sliding when the existing mold opening device drives the cotton mold to rotate.

Description

Technical Field

[0001] This solution belongs to the field of cotton processing machinery technology, specifically involving a cotton mold opening test bench with adjustable rotary positioning and cutting parameters. Background Technology

[0002] Referring to the background technology published under CN113148356B, with technological advancements, mechanized operations are gradually replacing manual labor. For cotton harvesting, cotton harvesters are now commonly used instead of manual picking. Mainstream cotton harvesters have packaging mechanisms within their cotton boxes to package the harvested cotton according to a pre-defined packaging format, forming a roughly cylindrical package covered with a plastic film or similar material for easy transportation and storage. This type of packaging, where cotton is compressed into a specific shape under pressure, is called a cotton mold in the industry. The packaging material on the surface of the cotton mold is a packaging film, which is typically a plastic film.

[0003] Before cotton processing, the packaging film on the surface of the cotton molds needs to be removed. The cotton molds are roughly cylindrical, with a standard diameter of 2.3 meters, a length of 2.4 meters, and a weight of approximately 2.3 tons. Research shows that all cotton processing plants in China currently remove the packaging film manually. The common method involves using a loader to place the cotton molds in a relatively open space and stand them upright. The packaging film is then manually cut open, removed, and the cotton is dispersed using the loader. Another method involves using a loader to lift the cotton molds, manually cutting open the packaging film, peeling it off, setting it aside, and then lowering the molds to disperse them. Because the cotton molds are large and heavy, loaders with a loading capacity of over 3 tons are typically required. If the lifted molds are not securely fixed, they can easily fall from the loader's bucket, potentially causing injury. Furthermore, the relatively high lifting height makes cutting the film difficult for workers.

[0004] A cotton circular mold handling and opening device is disclosed in the existing publication (announcement) number CN115214951A, which includes fixed arms and movable arms symmetrically arranged at corresponding intervals. The upper ends of the fixed arms and movable arms are connected by a hinge shaft and the movable arms are driven to rotate under the action of a hydraulic drive device. A fixed arm frame, a cutting device and a rotating idler roller are provided between the fixed arms. The fixed arm frame is fixed between the front and rear fixed arms and is equipped with a loader connecting plate for connecting a loader. The cutting device includes a support frame fixed on the fixed arm, a chain conveyor device disposed on the support frame, and a cutting blade mounted on the chain conveyor device. The cutting blade moves back and forth under the drive of the chain conveyor device.

[0005] For example, the aforementioned mold-opening device uses a fixed arm and a movable arm to grasp and transport the circular mold. The rotation of the mold is achieved through the cooperation of rollers, spike rollers, and a barcode scanner, enabling automatic barcode scanning and cutting position identification. However, this device relies solely on the rotation of the rollers to drive the cotton mold. Because the cotton mold itself is highly flexible and heavy (approximately 2.3 tons), and the contact area of ​​the rollers is limited, it cannot provide sufficient friction to stably rotate the cotton mold. During rotation, the cotton mold slips, making precise cutting position positioning difficult and resulting in packaging film residue. Summary of the Invention

[0006] The purpose of this solution is to provide a cotton mold opening test bench with adjustable rotation positioning and cutting parameters to solve the problem of cotton mold slippage when the existing mold opening device drives the cotton mold to rotate.

[0007] To achieve the above objectives, this solution provides a cotton mold opening test bench with adjustable rotary positioning and cutting parameters, including a frame and a set of rotary positioning devices symmetrically arranged on the frame. The rotary positioning devices include:

[0008] Clamping arm, which is hinged to the frame;

[0009] A hydraulic cylinder, wherein the cylinder body is hinged to the frame and the free end of the piston rod is hinged to the clamping arm;

[0010] Embossing roller, the two ends of which are rotatably mounted on clamping arms;

[0011] A rubber-coated roller, the two ends of which are rotatably mounted on clamping arms;

[0012] A chain drive system is used to drive the embossing roller and the rubber coating roller to rotate synchronously.

[0013] The principle and effect of this solution are as follows: the embossing roller and the rubber-coated roller provide sufficient friction and adhesion. The chain drive system drives the embossing roller and the rubber-coated roller to rotate synchronously, ensuring that the cotton mold remains stable during rotation, thereby enabling the positioning and cutting of the cotton mold.

[0014] Furthermore, the top of the frame is provided with a clamping arm lug for connecting the clamping arm, and one end of the clamping arm is hinged to the clamping arm lug.

[0015] The principle and effect of this solution is to enable the clamping arm to be connected to the frame.

[0016] Furthermore, the embossing roller and the rubber-coating roller are arranged in parallel; a color mark sensor is provided on the clamping arm.

[0017] The principle and effect of this solution are as follows: the parallel arrangement provides uniform friction and adhesion; the color mark sensor is used to detect the color mark on the cotton mold packaging film, thereby locating the cutting position.

[0018] Furthermore, the chain drive system includes a stepper motor and a first sprocket. The stepper motor is fixedly mounted on the clamping arm. The first sprocket is fixedly connected to the output shaft of the stepper motor. The first sprocket is connected to a second sprocket via a first chain drive. The second sprocket is coaxially and fixedly connected to the rotating shaft of the rubber-coated roller. The second sprocket is connected to a third sprocket via a second chain drive. The third sprocket is coaxially and fixedly connected to the rotating shaft of the embossing roller.

[0019] The principle and effect of this solution are as follows: the first sprocket is driven to rotate by the stepper motor, which in turn drives the second and third sprockets to rotate in sequence through the first and second chains, thereby driving the rubber coating roller and the embossing roller to rotate synchronously.

[0020] Furthermore, it also includes a sliding cutting device located below the rotary positioning device. The sliding cutting device includes a sliding cutting system and a synchronous belt power system. The sliding cutting system includes a first servo motor and a circular cutter. The output shaft of the first servo motor is fixedly connected to the circular cutter. The synchronous belt power system includes a second servo motor, a synchronous belt, and a driven pulley. The output shaft of the second servo motor is fixedly connected to a synchronous pulley. The synchronous belt is connected to the driven pulley and the synchronous pulley for transmission. The synchronous belt is used to drive the first servo motor to move.

[0021] The principle and effect of this solution are as follows: The first servo motor drives the circular blade to rotate, providing cutting power. The second servo motor in the synchronous belt power system drives the entire sliding cutting system to move along the cutting direction through the synchronous belt and driven pulley, thereby cutting the cotton mold packaging film.

[0022] Furthermore, it also includes a lifting platform located below the frame, the lifting platform being located inside the frame, the lifting platform including a platform and a lifting platform frame, the sliding cutting device being located on the platform; the lifting platform frame is equipped with a screw jack, and the platform is located on the screw of the screw jack.

[0023] The principle and effect of this solution are as follows: when the cutting depth needs to be adjusted, the worm gear screw jack drives the screw to move in a straight line, thereby moving the platform up and down, thus controlling the distance between the sliding cutting device and the cotton mold, and thus controlling the cutting depth.

[0024] Furthermore, a slide table is slidably provided on the platform, the first servo motor is fixedly mounted on the slide table, and a fixing block for clamping the timing belt is provided on the slide table; the driven wheel and the second servo motor are both mounted on the slide table.

[0025] The principle and effect of this solution are as follows: the slide table drives the first servo motor to move, thereby cutting the cotton mold packaging film along the length direction of the cotton mold packaging film.

[0026] Furthermore, the platform is equipped with guide rails, and the slide is slidably connected to the guide rails.

[0027] The principle and effect of this solution are as follows: the guide rail is used to provide positioning and guidance for the movement of the slide table.

[0028] Furthermore, the fixed block is equipped with a sensing plate, and the platform is equipped with a limit sensor and an anti-collision block.

[0029] The principle and effect of this solution are as follows: the sensing plate is used to detect whether the fixing block clamps the timing belt; the limit sensor and the anti-collision block are used to provide buffering in case of accidental collision of the sliding cutting device.

[0030] Furthermore, a dynamic torque sensor is provided on the slide table. The dynamic torque sensor is used to measure the cutting torque of the cotton mold packaging film. The cutting force F is calculated using the following formula:

[0031]

[0032] In the formula: T is the cutting torque output by the dynamic torque sensor, ω is the rotational speed of the circular cutter, and υ is the feed speed of the circular cutter. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0034] Figure 2 This is a schematic diagram of the frame structure of the present invention;

[0035] Figure 3 This is a schematic diagram of the rotary positioning device of the present invention;

[0036] Figure 4 This is a schematic diagram of the lifting platform structure of the present invention;

[0037] Figure 5 This is a schematic diagram of the sliding cutting device of the present invention;

[0038] Figure 6 This is a schematic diagram of the structure of Embodiment 2 of the present invention;

[0039] Figure 7 for Figure 6 Enlarged view of point A in the middle Figure 1 ;

[0040] Figure 8 for Figure 6 Enlarged view of point A in the middle Figure 2 ;

[0041] Figure 9 This is a schematic diagram of the internal structure of the support plate.

[0042] The following are the names of the reference numerals in the instruction manual: 1-Frame, 2-Rotary positioning device, 3-Lifting platform, 4-Sliding cutting device, 5-Control system, 6-Cotton mold, 11-Column, 12-Crossbeam, 13-Hydraulic cylinder lifting lug, 14-Clamping arm lifting lug, 15-Cutting support plate, 21-Color mark sensor, 22-Chain drive system, 23-Embossing roller, 24-Rubber-coated roller, 25-Clamping arm, 26-Hydraulic cylinder, 31-Platform, 32-Turbine screw jack, 33-Lifting platform frame, 34-Hand crank, 35-Lifting platform drive shaft, 36-Lifting platform coupling, 37-Gear transmission box, 41-Sliding cutting system, 42-Synchronous belt power system, 2201-Second sprocket, 2202-Third sprocket, 2203-Chain drive bearing seat, 2204-Stepper motor base 2205-Stepper motor, 4101-Circular knife, 4102-Chuck, 4103-Cut table drive shaft, 4104-Cut table bearing seat, 4105-Cut table coupling, 4106-Dynamic torque sensor, 4107-Guide rail, 4108-Slider, 4109-Slide table, 4110-Cut table first servo motor base, 4111-First servo motor, 4112-Dynamic torque sensor base, 4113-Bearing seat base, 4201-Synchronous belt, 4202-Synchronous belt pulley, 4203-Synchronous belt pulley base, 4204-Coupling, 4205-Second servo motor, 4206-Synchronous belt first servo motor base, 4207-Sensing plate, 4208-Fixing block, 4209-Limit sensor, 4210-Anti-collision block;

[0043] Support component 7, nozzle 71, pressing plate 72, touch switch 73, spring 74, first magnet 75, support plate 76, tension spring 77, second magnet 78. Detailed Implementation

[0044] The following will describe the concept and technical effects of the present invention clearly and completely with reference to embodiments, so as to fully understand the purpose, features and effects of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are all within the scope of protection of the present invention.

[0045] Example 1:

[0046] Please see Figures 1-5A cotton mold opening test bench with adjustable rotary positioning and cutting parameters includes a frame 1, which is composed of several columns 11 and crossbeams 12. The frame 1 is equipped with hydraulic cylinder lifting lugs 13 and clamping arm lifting lugs 14. A set of symmetrically arranged rotary positioning devices 2 are provided on the frame 1. The rotary positioning devices 2 include clamping arms 25, hydraulic cylinders 26, embossing rollers 23, rubber-coated rollers 24, and a chain drive system 22. One end of the clamping arm 25 is hinged to the clamping arm lifting lug 14. The cylinder body of the hydraulic cylinder 26 is hinged to the frame 1 through the hydraulic cylinder lifting lug 13. The free end of the piston rod of the hydraulic cylinder 26 is hinged to the clamping arm 25. The two ends of the embossing roller 23 are rotatably mounted on the clamping arm 25. The outer wall of the embossing roller 23 is provided with anti-slip patterns. The two ends of the rubber-coated roller 24 are rotatably mounted on the clamping arm 25. The embossing roller 23 and the rubber-coated roller 24 are arranged in parallel. The clamping arm 25 is provided with a color mark sensor 21 for detecting the color mark on the packaging film of the cotton mold 6. The chain drive system 22 includes a stepper motor 2205 and a first sprocket. The stepper motor 2205 is fixedly mounted on the clamping arm 25, and a stepper motor base 2204 is provided on the stepper motor 2205. The first sprocket is fixedly connected to the output shaft of the stepper motor 2205. The first sprocket is connected to a second sprocket 2201 through a first chain drive. The second sprocket 2201 is coaxially fixedly connected to the rotating shaft of the rubber-coated roller 24. The second sprocket 2201 is connected to a third sprocket 2202 through a second chain drive. The third sprocket 2202 is coaxially fixedly connected to the rotating shaft of the embossing roller 23. Both the second sprocket 2201 and the third sprocket 2202 are provided with chain drive bearing seats 2203.

[0047] The specific working principle is as follows: The embossing roller 23 and the coating roller 24 provide sufficient friction and adhesion. The stepper motor 2205 drives the first sprocket to rotate, which in turn drives the second sprocket 2201 and the third sprocket 2202 to rotate in sequence through the first chain and the second chain. This, in turn, drives the coating roller 23 and the embossing roller 24 to rotate synchronously, ensuring that the cotton mold 6 remains stable during rotation. The color mark sensor 21 detects the color mark on the packaging film of the cotton mold 6, thereby positioning the cutting position.

[0048] It also includes a sliding cutting device 4 located below the rotary positioning device 2. The sliding cutting device 4 includes a sliding cutting system 41 and a synchronous belt power system 42. The sliding cutting system 41 includes a first servo motor 4111 and a circular blade 4101. The cutting table drive shaft 4103 and the circular blade 4101 are fixedly connected through the cutting table coupling 4105. The circular blade 4101 is fixedly connected to a chuck 4102. A bearing seat base 4113 and a cutting table bearing seat 4104 are provided below the circular blade 4101. A cutting support plate 15 is provided on the frame 1. The cotton mold 6 is placed on the cutting support plate 15. The cutting support plate 15 is provided with a groove. The circular blade 4101 passes through the cutting support plate 15 through the groove. The bottom of the first servo motor 4111 is equipped with a cutting table and a first servo motor base 4110. The bottom of the cutting table bearing seat 4104 is equipped with a slide table 4109. The platform 31 is equipped with a guide rail 4107. The bottom of the slide table 4109 is equipped with a slider 4108, which is slidably connected to the guide rail 4107. The slide table 4109 is equipped with a fixing block 4208 for clamping the timing belt 4201. The driven wheel and the second servo motor 4205 are both mounted on the slide table 4109. The slide table 4109 is equipped with a dynamic torque sensor base 4112, on which a dynamic torque sensor 4106 is mounted. The dynamic torque sensor 4106 is used to measure the cutting torque of the cotton mold 6 packaging film. The cutting force F is calculated using the following formula:

[0049]

[0050] In the formula: T is the cutting torque output by the dynamic torque sensor 4106, ω is the rotation speed of the circular cutter 4101, and υ is the feed speed of the circular cutter 4101.

[0051] The slide table 4109 is equipped with a fixing block 4208 for clamping the synchronous belt 4201, and a sensing plate 4207 is provided on the fixing block 4208. The driven pulley and the second servo motor 4205 are both located on the slide table 4109, and the platform 31 is equipped with a limit sensor 4209 and a collision avoidance block 4210. The synchronous belt power system 42 includes a second servo motor 4205, a synchronous belt 4201, and a driven pulley. A synchronous belt first servo motor base 4206 is provided below the second servo motor 4205. The output shaft of the second servo motor 4205 is fixedly connected to a synchronous pulley 4202 through a coupling 4204. A synchronous pulley base 4203 is provided below the synchronous pulley 4202. The synchronous belt 4201 is connected to the driven pulley and the synchronous pulley 4202 for transmission, and the synchronous belt 4201 is used to drive the first servo motor 4111 to move. It also includes a control system 5, and the rotary positioning device 2 and the sliding cutting device 4 are all electrically connected to the control system 5.

[0052] It also includes a lifting platform 3 located below the frame 1. The lifting platform 3 is located inside the frame 1 and includes a platform 31 and a lifting platform frame 33. The sliding cutting device 4 is located on the platform 31. A worm gear screw jack 32 is provided on the lifting platform frame 33. The platform 31 is located on the screw of the worm gear screw jack 32. The worm gear screw jack 32 includes a hand crank 34, a lifting platform drive shaft 35, a lifting platform coupling 36, and a gear transmission box 37. The connection relationships of these components are all prior art known to those skilled in the art.

[0053] Specific working principle: The first servo motor 4111 drives the circular cutter 4101 to rotate, providing cutting power. The second servo motor 4205, through the transmission of the synchronous belt 4201 and the driven wheel, drives the first servo motor 4111 and the circular cutter 4101 to move along the cutting direction, thereby cutting the packaging film of the cotton mold 6. Before cutting, if the cutting depth needs to be adjusted, the worm gear screw jack 32 drives the screw to make linear motion, thereby moving the platform 31 up and down, thus controlling the distance between the circular cutter 4101 and the cotton mold 6, and thus controlling the cutting depth.

[0054] Example 2:

[0055] The differences between this embodiment and the previous embodiment are as follows:

[0056] When cutting the cotton mold 6, because it is filled with cotton, the cotton easily falls off at the cut. Furthermore, since the circular blade 4101 needs to move along the cutting direction, its feed speed is relatively slow. This causes the cotton at the point just cut by the circular blade 4101 to easily fall onto the blade and be cut, potentially getting stuck in bearings or other components connected to the blade. More importantly, after cutting, the cotton seeds easily fall onto the cutting table, affecting cleaning and subsequent placement of the cotton mold. Secondly, because the cotton mold 6 is made of flexible foam, the pressure on the contact surface between the mold 6 and the cotton is uneven, meaning the contact surface is uneven. This results in some areas not being cut through, leaving uncut cotton mold 6 (cotton mold residue at the cut). Furthermore, since cotton and cotton molds are flammable, after the circular cutter 4101 cuts multiple cotton molds, the blade temperature of the cutter 4101 will rise. If it is used to cut the cotton mold 6, it is easy for both to ignite upon contact with the cotton mold 6 or cotton. Therefore, this embodiment makes further improvements to address the above-mentioned problems.

[0057] Please see Figure 6The rear end of the circular cutter 4101 is provided with a support assembly 7, which includes a bracket (not shown in the figure). The bracket is mounted on the slide table 4109 and is equipped with a nozzle 71, a pressing plate 72, and a touch switch 73. The nozzle 71 is connected to a high-pressure air source through a pipe, preferably high-pressure cold air. The nozzle 71 is located at the rear end of the circular cutter 4101, and the nozzle 81 is inclined towards the circular cutter 4101 at an angle of 30°, so that the gas ejected from the nozzle 71 is inclined towards the cutting position of the cotton mold 6. The direction and angle of the gas ejection can be referred to Figure 7 and Figure 8 The pressing plate 72 is located at the rear end of the nozzle 71 and to the left of the highest point of the circular blade 4101. Its position can be found in [reference needed]. Figure 7 and Figure 8 A spring 74 is connected to the pressing plate 72. The free end of the spring 74 is fixedly connected to the bracket. The touch switch 73 is located below the pressing plate 72. The pressing plate 72 is used to abut the touch switch 73. The touch switch 73 is electrically connected to the control system 5.

[0058] Please see Figure 9 The nozzle 71 is hinged to the bracket, and a torsion spring (not shown in the figure) for resetting the nozzle 71 is provided at the hinge point. The nozzle 71 is in a horizontal position in its natural state, and the ejected gas is directed toward the blade of the circular knife 4101. The nozzle 71 is provided with a first magnet 75. The circular knife 4101 is coaxially connected to a support plate 76 (the support plate 76 does not rotate with the circular knife 4101). The support plate 76 is a hollow support plate. The circular knife 4101 is connected to the shaft of the coupling, and a tension spring 77 is provided. The free end of the tension spring 77 is connected to a second magnet 78. The second magnet 78 and the first magnet 75 have the same magnetism and repel each other.

[0059] Specific working principle: During cutting, a high-pressure cold source is introduced into the nozzle 71, and the rotation speed of the circular blade 4101 is controlled to 1500 r / min. The circular blade 4101 rotates at a relatively high speed, and the second magnet 78 is subjected to a large centrifugal force, stretching the tension spring 77 and thus moving away from the center of rotation. This causes the second magnet 78 to be thrown to its extreme position, bringing it close to the first magnet 75. Due to the repulsion between the two, the second magnet 78 pushes the first magnet 75 to rotate, thereby causing the nozzle 71 to rotate to 30°, tilting it towards the cutting position of the cotton mold 6. After the circular blade 4101 cuts the cotton mold 6, the high-pressure cold air source at the cut position provides support for the cotton at the cut, preventing the cotton from falling off (see...). Figure 7 If the circular cutter 4101 does not cut through to the target position (see...). Figure 8When a high-pressure cold air source blows towards this location, the air source will not enter the cotton due to the obstruction of the uncut cotton mold 6. This causes the air source to be directed towards the pressing plate 72, which is then pressed downwards by the air source pressure. This compresses the spring 74 and contacts the touch switch 73, thus connecting the contacts of the touch switch 73. This sends a signal to the control system 5, triggering an alarm indicating that the cotton mold 6 at this location has not been cut through. The worker can then control the circular blade 4101 to rotate and perform a secondary cut at this location via the control system 5. After cutting a single cotton mold 6, the rotation speed of the circular blade 4101 is controlled to 20 r / min, making its rotation slower. The second magnet 78 experiences a smaller centrifugal force, moving away from the first magnet 75. After losing the repulsive force of the second magnet 78, the first magnet 75 returns to its initial position under the action of the torsion spring, i.e., the nozzle 71 is horizontal. This causes the cold source ejected from the nozzle 71 to face the circular blade 4101, and the circular blade 4101 also rotates circumferentially, thus uniformly cooling the cotton.

[0060] The above descriptions are merely embodiments of the present invention, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of the present invention, and these should also be considered within the scope of protection of the present invention. These modifications and improvements will not affect the effectiveness of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A cotton module opening test bench with rotary positioning and adjustable cutting parameters, comprising a rack (1) and a set of rotary positioning devices (2) symmetrically arranged on the rack (1), characterized in that, The rotary positioning device (2) comprises: a clamping arm (25) hinged to the frame (1); a hydraulic cylinder (26) whose cylinder body is hinged to the frame (1) and whose piston rod free end is hinged to the clamping arm (25); an embossing roller (23) rotatably arranged at both ends of the clamping arm (25); a rubber-coated roller (24) rotatably arranged at both ends of the clamping arm (25); a chain transmission system (22) for driving the embossing roller (23) and the rubber-coated roller (24) to rotate synchronously; a sliding cutting device (4) arranged below the rotary positioning device (2) and comprising a sliding cutting system (41) and a synchronous belt driving system (42), the sliding cutting system (41) comprising a first servo motor (4111) and a circular knife (4101), the output shaft of the first servo motor (4111) being fixedly connected with the circular knife (4101); the synchronous belt driving system (42) comprising a second servo motor (4205), a synchronous belt (4201) and a driven wheel, the output shaft of the second servo motor (4205) being fixedly connected with a synchronous pulley (4202), the synchronous belt (4201) being in transmission connection with the driven wheel and the synchronous pulley (4202), and the synchronous belt (4201) being used to drive the first servo motor (4111) to move; a lifting platform (3) arranged below the frame (1) and arranged in the frame (1), the lifting platform (3) comprising a platform (31) and a lifting platform frame (33), and the sliding cutting device (4) being arranged on the platform (31); the lifting platform frame (33) being provided with a turbine screw rod lifter (32), and the platform (31) being arranged on the screw rod of the turbine screw rod lifter (32); a supporting assembly (7) arranged at the rear end of the circular knife (4101), the supporting assembly (7) comprising a support, a nozzle (71), a pressing plate (72) and a touch switch (73) being arranged on the support, the nozzle (71) being connected with a high-pressure gas source through a pipeline, the nozzle (71) being arranged at the rear end of the circular knife (4101) and having a nozzle opening obliquely facing the circular knife (4101), so that the gas sprayed by the nozzle (71) is obliquely directed to the cutting position of the cotton mold (6), the pressing plate (72) being arranged at the rear end of the nozzle (71) and located at the left side of the highest point of the circular knife (4101), the pressing plate (72) being connected with a spring (74), the free end of the spring (74) being fixedly connected with the support, the touch switch (73) being arranged below the pressing plate (72), and the pressing plate (72) being used to abut against the touch switch (73), the touch switch (73) being electrically connected with a control system (5).

2. The cotton module opening test bench of claim 1, wherein: The top of the frame (1) is provided with a clamping arm lifting lug (14) for connecting the clamping arm (25), and one end of the clamping arm (25) is hinged to the clamping arm lifting lug (14).

3. The cotton module opening test bench of claim 1, wherein: The embossing roller (23) and the coating roller (24) are arranged in parallel; the color mark sensor (21) is arranged on the clamping arm (25).

4. The cotton module opening test bench of claim 1, wherein: The chain transmission system (22) comprises a stepping motor (2205) and a first sprocket, the stepping motor (2205) is fixedly arranged on the clamping arm (25), the first sprocket is fixedly connected with the output shaft of the stepping motor (2205), the first sprocket is connected with a second sprocket (2201) through a first chain, the second sprocket (2201) is coaxially fixedly connected with the rotating shaft of the coating roller (24), the second sprocket (2201) is connected with a third sprocket (2202) through a second chain, and the third sprocket (2202) is coaxially fixedly connected with the rotating shaft of the embossing roller (23).

5. The cotton module opening test bench of claim 1, wherein: The platform (31) is slidably provided with a sliding table (4109), the first servo motor (4111) is fixedly arranged on the sliding table (4109), and the sliding table (4109) is provided with a fixed block (4208) for clamping a synchronous belt (4201).

6. The rotary positioning and cutting parameter adjustable cotton module opening test bench according to claim 5, characterized in that: The platform (31) is provided with a guide rail (4107), and the sliding table (4109) is slidably connected with the guide rail (4107).

7. The rotary positioning and cutting parameter adjustable cotton module opening test bench according to claim 6, characterized in that: The fixed block (4208) is provided with an inductive sheet (4207), and the platform (31) is provided with a limit sensor (4209) and a bump stop (4210).

8. The rotary positioning and cutting parameter adjustable cotton module opening test bench according to claim 7, characterized in that: The sliding table (4109) is provided with a dynamic torque sensor (4106), the dynamic torque sensor (4106) is used for measuring the cutting torque of the cotton mold (6) packaging film, and the cutting force F is calculated according to the following formula: In the formula, T is the cutting torque output by the dynamic torque sensor (4106), ω is the rotating speed of the circular knife (4101), and υ is the feeding speed of the circular knife (4101).

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