Impact-resistant plastic particle detection device

Abstract

The invention discloses an impact-resistant plastic particle detection device, and belongs to the technical field of plastic particle production. The plastic particle detection device comprises a shell, a detection assembly is installed in the shell, a control assembly for plastic particles to be detected is installed on the shell, the control assembly comprises two fixing plates, fixing rods are fixedly connected to the two sides of the two fixing plates, a square sliding cylinder is slidably connected to the outer side of each fixing rod, and the square sliding cylinders are fixedly connected to the two sides of each fixing plate. The side wall of the square sliding cylinder is fixedly connected with a first connecting rod, and the outer side of the first connecting rod is slidably connected with a connecting sleeve. In the detection process, the detection pressing plate can drive the moving plate to move, in the moving process of the moving plate, the moving plate abuts against plastic particles located on the upper side of the conveying equipment, the plastic particles are unfolded, the plastic particles are kept flat as much as possible, and then the accuracy of the detection result is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of plastic particle production, and in particular to an impact-resistant plastic particle detection device. Background Art

[0002] Impact-resistant plastic particles refer to those plastic particles that can withstand greater forces when impacted. Common impact-resistant plastic particles mainly include polypropylene, ABS plastics, etc. These plastic particles can be further improved in impact resistance and applicability through different processing techniques and the use of additives. These plastic particles are widely used in various fields, mainly including electronic equipment casings, fitness equipment, automotive and household appliance parts, etc.

[0003] During the production process of impact-resistant plastic particles, it is necessary to sample and test the plastic particles to test their impact resistance. The plastic particles to be tested are placed on the platform, and the hydraulic equipment is used to drive the pressure plate to move, applying a certain pressure to the plastic particles. Then the hydraulic equipment is turned off and a judgment is made based on the signal sent by the sensor. The overall structure is simple and the degree of intelligence is high.

[0004] However, in the actual detection process, it is necessary to manually flatten the plastic particles as much as possible, which is time-consuming and labor-intensive. After the detection is completed, it is sometimes necessary to manually turn the plastic particles over to check the status of the plastic particles. In addition, in the actual detection process, the pressure applied to the plastic particles is sometimes too great, which is likely to cause certain damage to the plastic particles. The plastic particles splash around under the action of huge pressure and may also cause harm to nearby workers. Therefore, an impact-resistant plastic particle detection device is provided. Summary of the Invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an impact-resistant plastic particle detection device.

[0006] The present invention adopts the following technical solutions:

[0007] A device for detecting impact-resistant plastic particles, comprising a shell, a detection assembly installed in the shell, and a control assembly for plastic particles to be detected installed in the shell, the control assembly comprising two fixed plates, both sides of the two fixed plates are fixedly connected to fixed rods, the outer side of each fixed rod is slidably connected to a square slide, the side wall of the square slide is fixedly connected to a first connecting rod, the outer side of the first connecting rod is slidably connected to a connecting sleeve, a second spring is fixedly connected between the connecting sleeve and the first connecting rod, and a movable plate is fixedly connected to the lower side of the connecting sleeve, two second connecting rods are fixedly connected to the upper side of the shell, the lower sides of the two second connecting rods are fixedly connected to the second connecting plate, a threaded rod is threadedly connected to the inner side of the second connecting plate, four third connecting rods are rotatably connected to the upper side of the detection pressure plate, the upper sides of the four third connecting rods are fixedly connected to a first gear, the first gears are meshed with each other, the threaded rods are fixedly connected to two of the first gears, and the outer sides of the four third connecting rods are also fixedly connected to a ratchet, the side wall of the square slide is slidably connected to a step plate, and a first spring is fixedly connected between the step plate and the square slide.

[0008] Preferably, the control assembly also includes two second connecting rods fixedly mounted on the upper side of the shell, the lower sides of the two second connecting rods are fixedly connected to a second connecting plate, the second connecting plate is internally threaded with a threaded rod, the upper side of the detection pressure plate is rotatably connected to four third connecting rods, the upper sides of the four third connecting rods are fixedly connected to a first gear, the first gears are meshed with each other, the threaded rod and two of the first gears are fixedly connected, the outer sides of the four third connecting rods are also fixedly connected to a ratchet, the side wall of the square slide is slidably connected to a step plate, and a first spring is fixedly connected between the step plate and the square slide.

[0009] Preferably, a moving component for the plastic particles to be detected is installed in the moving plate, and the moving component includes a plurality of deep grooves on the upper and lower sides of the moving plate, and a moving ring is slidably connected in the plurality of deep grooves, and a third spring is fixedly connected between the moving ring and the deep groove, and a rotating cylinder is rotatably connected in the moving ring, and a connecting cylinder is rotatably connected to the outer side of the rotating cylinder, and a third connecting plate is fixedly connected to the outer side of the connecting cylinder.

[0010] Preferably, a cavity is opened in the movable plate, and a plurality of fourth connecting rods are rotatably connected in the cavity, and both ends of the plurality of fourth connecting rods extend into the connecting cylinder and are slidably connected to the connecting cylinder, and the outer sides of the plurality of fourth connecting rods are fixedly connected to the third gear, and a plurality of transmission rods are rotatably connected in the cavity, and the outer sides of the plurality of transmission rods are fixedly connected to the fourth gear, and the fourth gear and the third gear are meshed. A rotating shaft is also rotatably connected in the cavity, and a fifth gear is fixedly connected to the outer side of the rotating shaft, and the fifth gear is meshed with the fourth gear. One end of the rotating shaft passes through the cavity, and the end of the rotating shaft away from the cavity is fixedly connected to the gear cylinder, and four racks are fixedly connected to the outer side of the detection pressure plate, and the gear cylinder and the rack are meshed.

[0011] Preferably, a torsion spring is fixedly connected between the rotating cylinder and the connecting cylinder, and a sensor is also fixedly connected between the rotating cylinder and the connecting cylinder.

[0012] Preferably, a protective component is installed on the outer side of the movable plate, and the protective component includes a fourth connecting plate fixedly installed on the upper side of the movable plate, a baffle is slidably connected to the outer side of the movable plate, a fifth connecting rod is fixedly connected to the upper side of the baffle, a fourth spring is fixedly connected between the fifth connecting rod and the fourth connecting plate, two groups of telescopic sleeves are fixedly connected to the outer side of the fifth connecting rod, and triangular plates are fixedly connected to the outer sides of the two groups of telescopic sleeves, and the triangular plates are slidably connected to the movable plate.

[0013] Preferably, the side walls of the triangular plate and the movable plate are both smoothly arranged.

[0014] Preferably, the detection component includes a hydraulic device fixedly installed in an inner shell, a feed funnel is fixedly connected to the upper side of the shell, a display screen is fixedly connected to the upper side of the shell, a transmission device is installed in the shell, the output end of the hydraulic equipment is fixedly connected to a detection pressure plate, and two first connecting plates are symmetrically fixedly connected in the shell.

[0015] The beneficial effects of the present invention are:

[0016] 1. During the testing process, the testing plate will drive the moving plate to move. During the movement of the moving plate, the moving plate and the plastic particles on the upper side of the transmission equipment will be offset to spread the plastic particles and keep them as flat as possible, thereby improving the accuracy of the test results.

[0017] 2. As the rotating drum follows the moving plate, it also rotates. When the rotating third connecting plate and the plastic particles collide with each other, the plastic particles are moved. When multiple inspections are performed on the plastic particles, the plastic particles can be automatically moved without manual intervention. When the rotating third connecting plate collides with the plastic particles, the plastic particles may also roll over, thereby better performing the inspection of the plastic particles.

[0018] 3. When the movable plate returns to its original position relative to the detection platen, the distance between the third connecting plate and the lower side of the detection platen is small, thereby preventing the possibility of plastic particles sticking to the detection platen, thereby forming a simple cleaning effect on the lower side of the detection platen;

[0019] 4. When the third connecting plate and the plastic particles collide with each other, if there are a large number of plastic particles and they are large in size, the plastic particles will hinder the rotation of the third connecting plate, thereby activating the sensor. During the back-and-forth movement of the moving plate, the frequency and magnitude of the sensor signals can be compared. If the frequency and magnitude of the sensor signals differ greatly, it means that the plastic particles have been severely damaged after passing through the pressure of the detection plate, and the detection pressure needs to be adjusted.

[0020] 5. When the detection platen applies pressure, if the plastic particles are squeezed and damaged, the baffle will form an obstruction to reduce the possibility of the plastic particles "flying" out from between the detection platen and the transmission equipment due to squeezing, thereby improving safety to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of an impact-resistant plastic particle detection device proposed by the present invention;

[0022] Figure 2 This is a schematic diagram of the connection between the hydraulic equipment and the detection pressure plate in the impact-resistant plastic particle detection device proposed by the present invention;

[0023] Figure 3 This is a schematic diagram of the connection between the square slide and the stepped plate in the impact-resistant plastic particle detection device proposed by the present invention;

[0024] Figure 4 This is a schematic structural diagram of a movable plate in an impact-resistant plastic particle detection device proposed by the present invention;

[0025] Figure 5 This is a top view of the connection diagram of the cavity in the impact-resistant plastic particle detection device proposed by the present invention;

[0026] Figure 6This is a schematic diagram of the connection between the fourth connecting rod and the rotating cylinder in the impact-resistant plastic particle detection device proposed by the present invention;

[0027] Figure 7 This is a cross-sectional connection diagram of the fourth connecting rod and the rotating cylinder in the impact-resistant plastic particle detection device proposed by the present invention;

[0028] Figure 8 This is a schematic diagram of the partial connection between the triangular plate and the baffle in the impact-resistant plastic particle detection device proposed by the present invention.

[0029] In the figure: 1 housing, 2 feeding funnel, 3 hydraulic equipment, 4 detection pressure plate, 5 transmission equipment, 6 first connecting plate, 7 fixed plate, 8 fixed rod, 9 square slide, 10 first connecting rod, 11 connecting sleeve, 12 moving plate, 13 second connecting rod, 14 second connecting plate, 15 threaded rod, 16 first gear, 17 rack, 18 third connecting rod, 19 ratchet, 20 fourth spring, 21 step plate, 22 first spring, 23 second spring, 24 gear cylinder, 25 rotating shaft, 26 telescopic sleeve, 27 deep groove, 28 cavity, 29 fourth connecting rod, 30 third gear, 31 transmission rod, 32 fourth gear, 33 fifth gear, 34 moving ring, 35 third spring, 36 rotating cylinder, 37 connecting cylinder, 38 third connecting plate, 39 torsion spring, 40 sensor, 41 triangular plate, 42 fifth connecting rod, 43 baffle, 44 fourth connecting plate. DETAILED DESCRIPTION

[0030] See Figures 1-8 A device for detecting impact-resistant plastic particles includes a housing 1, a detection assembly is installed in the housing 1, the detection assembly includes a hydraulic device 3 fixedly installed in the inner housing 1, a feed funnel 2 is fixedly connected to the upper side of the housing 1, a display screen is fixedly connected to the upper side of the housing 1, a transmission device 5 is installed in the housing 1, a detection pressure plate 4 is fixedly connected to the output end of the hydraulic device 3, and two first connecting plates 6 are symmetrically fixedly connected in the housing 1, and the two first connecting plates 6 are located on both sides of the transmission device 5;

[0031] First, a pressure sensor 40 is fixedly connected between the detection platen 4 and the hydraulic equipment 3. The plastic particles to be tested are poured into the feed funnel 2. The plastic particles fall onto the transmission device 5 through the feed funnel 2. The transmission device 5 is started and the plastic particles are scattered on the transmission device 5. When the plastic particles move to the lower side of the detection platen 4, the transmission device 5 is closed and the hydraulic equipment 3 is started. The hydraulic equipment 3 drives the detection platen 4 to move downward through the pressure sensor 40. The detection platen 4 and the plastic particles are offset and form an extrusion operation on the plastic particles. The pressure sensor 40 sends a corresponding electrical signal and transmits this electrical signal to the display screen. The display screen can display the specific value of the electrical signal sent by the pressure sensor 40. After a period of time, the hydraulic equipment 3 is turned off. At this time, the plastic particles move in the direction of restoring their original state. The plastic particles will exert a certain force on the detection platen 4. In this process, the detection platen 4 will transmit the pressure it receives to the pressure sensor 40, resulting in the pressure sensor 40 sending an electrical signal. The signal changes, and the size of the change between the two electrical signals of the pressure sensor 40 is used to obtain the size of the impact resistance of the plastic particles, thereby completing the detection operation of the plastic particles. The transmission device 5 includes an active roller and a driven roller, a transmission belt wound between the two, a motor, and the motor is fixedly installed in the shell 1. The output end of the motor is fixedly connected to the active roller. When the transmission device 5 needs to work, the motor is started, and the motor drives the active roller to rotate, thereby driving the plastic particles on the upper side thereof to move through the transmission belt. Then, a load-bearing plate is fixedly installed between the active roller and the driven roller. The load-bearing plate is located at the lower side of the transmission belt and is against the transmission belt. At the same time, the load-bearing plate is also located at the lower side of the detection pressure plate 4, and the load-bearing plate is fixedly connected to the shell 1. When the hydraulic device 3 is started to detect the plastic particles, the detection pressure plate 4 and the plastic particles are against each other, driving the plastic particles to move downward, causing the plastic particles, the transmission belt, and the load-bearing plate to be tightly against each other, and then performing corresponding detection. The above are all existing technologies and no unnecessary details are given.

[0032] like Figure 2 、 Figure 3, the shell is equipped with a control component for the plastic particles to be detected, the control component includes two fixed plates 7, both sides of the two fixed plates 7 are fixedly connected to fixed rods 8, each fixed rod 8 is slidably connected to the outside of a square slide 9, the side wall of the square slide 9 is fixedly connected to a first connecting rod 10, the outside of the first connecting rod 10 is slidably connected to a connecting sleeve 11, a second spring 23 is fixedly connected between the connecting sleeve 11 and the first connecting rod 10, the lower side of the connecting sleeve 11 is fixedly connected to a movable plate 12, the upper side of the shell 1 is fixedly connected to two second connecting rods 13, the two first connecting rods 13 are fixedly connected to the inside of the shell 1. The lower side of the second connecting rod 13 is fixedly connected to the second connecting plate 14, and the second connecting plate 14 is internally threaded with a threaded rod 15. The upper side of the detection pressure plate 4 is rotatably connected to four third connecting rods 18. The upper sides of the four third connecting rods 18 are all fixedly connected to the first gear 16. The first gears 16 are meshed with each other. The threaded rod 15 is fixedly connected to two of the first gears 16. The outer sides of the four third connecting rods 18 are also fixedly connected to ratchets 19. The side wall of the square slide 9 is slidably connected to a step plate 21, and a first spring 22 is fixedly connected between the step plate 21 and the square slide 9.

[0033] First, two fixing plates 7 are fixedly mounted on the upper side of the detection platen 4, and then, refer to the attached Figure 2 The tooth directions of the two ratchets 19 on the same side are opposite. The same side here means that the tooth directions of the ratchets 19 on the same side in the horizontal direction and the same side in the vertical direction are opposite, that is, the tooth directions of the two ratchets 19 on the diagonal side are the same. Figure 3 , the left ratchet 19 rotates counterclockwise to drive the left step plate 21 to move downward, and the right ratchet 19 rotates clockwise to drive the right step plate 21 to move downward. Secondly, in the initial state, the distance between the two moving plates 12 is small. After the hydraulic equipment 3 is started, the hydraulic equipment 3 drives the detection pressure plate 4 to move downward, and the detection pressure plate 4 drives the moving plate 12 to move downward through the square slide 9 and the first connecting rod 10. When the moving plate 12 moves to the upper side of the first connecting plate 6, the moving plate 12 and the first connecting plate 6 are against each other. At this time, under the obstruction of the first connecting plate 6, the moving plate 12 will not follow the detection pressure plate 4 to move downward, thereby compressing the second spring 23. At the same time, the threaded area on the outer side of the threaded rod 15 enters the second connecting plate 14. Since the second connecting plate 14 is in a fixed state, the downward moving threaded rod 15 will rotate. Figure 2 , wherein the threaded rod 15 on the right rotates counterclockwise, and the threaded rod 15 on the left rotates clockwise (the threads of the two threaded rods 15 rotate in opposite directions), so the movement of the threaded rod 15 on the right is described. Figure 3Based on the direction of rotation, the counterclockwise rotating threaded rod 15 drives the first gear 16 on the left to rotate counterclockwise, the first gear 16 on the left drives the ratchet 19 to rotate counterclockwise through the third connecting rod 18, the ratchet 19 drives the step plate 21 to move, the step plate 21 drives the square slide 9 to move, the square slide 9 drives the moving plate 12 to move through the first connecting rod 10 and the connecting sleeve 11. At the same time, the first gear 16 on the left drives the first gear 16 on the right to rotate clockwise, the first gear 16 on the right drives the ratchet 19 to rotate clockwise through the third connecting rod 18, the ratchet 19 drives the step plate 21 to move, and the step plates 21 on the left and right sides move in the same direction. Figure 2 The direction is based on the left and right sides of the movable plates 12. At this time, the movable plates 12 on the left and right sides move away from each other. During the movement of the movable plates 12, the movable plates 12 and the plastic particles located on the upper side of the transmission device 5 are offset, so that the plastic particles are spread out and kept as flat as possible, thereby improving the accuracy of the detection results.

[0034] like Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 , a moving assembly for the plastic particles to be detected is installed in the moving plate 12, and the moving assembly includes a plurality of deep grooves 27 on the upper and lower sides of the moving plate 12, and a moving ring 34 is slidably connected in the plurality of deep grooves 27, and a third spring 35 is fixedly connected between the moving ring 34 and the deep groove 27, and a rotating cylinder 36 is rotatably connected in the moving ring 34, and a connecting cylinder 37 is rotatably connected to the outer side of the rotating cylinder 36, and a third connecting plate 38 is fixedly connected to the outer side of the connecting cylinder 37, and a cavity 28 is opened in the moving plate 12, and a plurality of deep grooves 27 are symmetrically arranged on the upper and lower sides of the moving plate 12, and the cavity 28 is located between the deep grooves 27 on the upper and lower sides, and a plurality of fourth connecting rods 29 are rotatably connected in the cavity 28, and both ends of the plurality of fourth connecting rods 29 extend into the connecting cylinder 37 and are slidably connected to the connecting cylinder 37, The outer sides of the plurality of fourth connecting rods 29 are fixedly connected with the third gear 30, and the cavity 28 is rotatably connected with the plurality of transmission rods 31. The outer sides of the plurality of transmission rods 31 are fixedly connected with the fourth gear 32, and the fourth gear 32 and the third gear 30 are meshed. The cavity 28 is also rotatably connected with the rotating shaft 25, and the outer side of the rotating shaft 25 is fixedly connected with the fifth gear 33, and the fifth gear 33 and the fourth gear 32 are meshed. One end of the rotating shaft 25 passes through the cavity 28, and the end of the rotating shaft 25 away from the cavity 28 is fixedly connected with the gear cylinder 24. The outer side of the detection pressure plate 4 is fixedly connected with four racks 17, and the gear cylinder 24 and the rack 17 are meshed. A torsion spring 39 is fixedly connected between the rotating cylinder 36 and the connecting cylinder 37, and a sensor 40 is also fixedly connected between the rotating cylinder 36 and the connecting cylinder 37.

[0035] First, the sensor 40 is a torque sensor. The torque sensor is a detector of the torsional moment on various rotating or non-rotating mechanical parts. The torque sensor converts the physical change of the torque into an accurate electrical signal. Secondly, when the movable plate 12 moves to the right relative to the detection pressure plate 4, the rack 17 is in a stationary state. Therefore, the gear cylinder 24 that moves with the movable plate 12 will rotate relative to the movable plate 12 (in this process, the gear cylinder 24 and the rack 17 are always in a meshing state). Therefore, the rotating gear cylinder 24 and the rotating shaft 25 drive the fifth gear 33 to rotate, and the fifth gear 33 drives all the fourth connecting rods 2 through the transmission of the fourth gear 32 and the third gear 30. 9 is rotated, and since the fourth connecting rod 29 and the rotating cylinder 36 are connected for vertical sliding, the rotating fourth connecting rod 29 will drive the rotating cylinder 36 to rotate, and the rotating cylinder 36 will drive the connecting cylinder 37 and the third connecting plate 38 to rotate, that is, the rotating cylinder 36 will also rotate in the process of following the movement of the movable plate 12. When the rotating third connecting plate 38 and the plastic particles collide with each other, the plastic particles will be moved. When multiple detection operations are performed on the plastic particles, the plastic particles can be automatically moved without manual means, and when the rotating third connecting plate 38 collides with the plastic particles, it may also cause the plastic particles to roll, thereby better forming the plastic particles. Detection operation, and when the detection pressure plate 4 applies pressure to the plastic particles, the movable plate 12 has moved to both ends of the detection pressure plate 4, and the movable plate 12 does not affect the normal detection of the detection pressure plate 4, and after the detection pressure plate 4 completes the detection, the hydraulic device 3 is started again to drive the detection pressure plate 4 to move upward. At this time, the ratchet 19 will not drive the step plate 21 to move, but at this time, under the action of the compressed second spring 23, the movable plate 12 will move as a whole in the opposite direction of the previous movement, thereby causing the movable plate 12 to return to its original position relative to the detection pressure plate 4. During this process, the distance between the third connecting plate 38 and the lower side of the detection pressure plate 4 is small to prevent plastic particles from sticking to the detection pressure plate 4 is likely to occur, thereby forming a simple cleaning effect on the lower side of the detection pressure plate 4, and in the above working process, when the third connecting plate 38 and the plastic particles are against each other, if the number of plastic particles is large and the size is large, then during the rotation of the third connecting plate 38, the plastic particles will cause a certain obstruction to the rotation of the third connecting plate 38, thereby causing the sensor 40 to be activated. During the back and forth movement of the movable plate 12, the frequency and size of the signal emitted by the sensor 40 can be compared. If the frequency and size of the signal emitted by the sensor 40 are greatly different, it means that the plastic particles are severely damaged after passing through the pressure of the detection pressure plate 4, and the detection pressure needs to be adjusted.

[0036] like Figure 8, a protective assembly is installed on the outside of the movable plate 12, and the protective assembly includes a fourth connecting plate 44 fixedly installed on the upper side of the movable plate 12, a baffle 43 is slidably connected to the outside of the movable plate 12, and a fifth connecting rod 42 is fixedly connected to the upper side of the baffle 43, and a fourth spring 20 is fixedly connected between the fifth connecting rod 42 and the fourth connecting plate 44, and two groups of connecting tubes 37 are fixedly connected to the outside of the fifth connecting rod 42, and the telescopic sleeve 26 is fixedly connected to the outside of the two groups of connecting tubes 37, and the telescopic sleeve 26 is slidably connected to the movable plate 12, and the side walls of the triangular plate 41 and the movable plate 12 are both smoothly set;

[0037] First, the movable plate 12 is arranged in a trapezoidal shape. During the movement of the movable plate 12, when the movable plate 12 moves to the end of the detection pressure plate 4, the detection pressure plate 4 will be against the hypotenuse of the movable plate 12. During the continued movement of the movable plate 12, the detection pressure plate 4 and the triangular plate 41 will be against each other, causing the triangular plate 41 to move along the movable plate 12. The triangular plate 41 drives the fifth connecting rod 42 to move downward through the telescopic sleeve 26. While the fifth connecting rod 42 stretches the fourth spring 20, it drives the baffle 43 to move downward. During the process of applying pressure on the detection pressure plate 4, if the plastic particles are squeezed and damaged, the baffle 43 will form an obstruction, reducing the possibility of the plastic particles "flying" out from between the detection pressure plate 4 and the transmission equipment 5 due to squeezing, thereby improving a certain degree of safety.

[0038] In the present invention, the plastic particles to be tested are poured into the feeding funnel 2, and the plastic particles fall onto the transmission device 5 through the feeding funnel 2. The transmission device 5 is started, and the plastic particles are scattered on the transmission device 5. When the plastic particles move to the lower side of the detection pressure plate 4, the transmission device 5 is closed, and the hydraulic device 3 is started. The hydraulic device 3 drives the detection pressure plate 4 to move downward through the pressure sensor 40. The detection pressure plate 4 and the plastic particles are pressed against each other and form an extrusion operation on the plastic particles. The pressure sensor 40 sends a corresponding electrical signal and transmits this electrical signal to the display screen. The display screen can display the specific value of the electrical signal sent by the pressure sensor 40. After a period of time, the hydraulic device 3 is turned off. At this time, the plastic particles move in the direction of restoring their original state. The plastic particles will exert a certain force on the detection pressure plate 4. In this process, the detection pressure plate 4 transmits the pressure received to the pressure sensor 40, causing the electrical signal sent by the pressure sensor 40 to change. According to the size of the change between the two electrical signals of the pressure sensor 40, the size of the impact resistance of the plastic particles is obtained, and the detection operation of the plastic particles is completed. The above are all existing technologies and will not be repeated in detail.

[0039] In the initial state, the distance between the two movable plates 12 is small. After the hydraulic equipment 3 is started, the hydraulic equipment 3 drives the detection pressure plate 4 to move downward, and the detection pressure plate 4 drives the movable plate 12 to move downward through the square slide 9 and the first connecting rod 10. When the movable plate 12 moves to the upper side of the first connecting plate 6, the movable plate 12 and the first connecting plate 6 are against each other. At this time, under the obstruction of the first connecting plate 6, the movable plate 12 will not move downward with the detection pressure plate 4, thereby compressing the second spring 23. At the same time, the threaded area on the outside of the threaded rod 15 enters the second connecting plate 14. Since the second connecting plate 14 is in a fixed state, the threaded rod 15 that moves downward will rotate. Figure 2 , wherein the threaded rod 15 on the right rotates counterclockwise, and the threaded rod 15 on the left rotates clockwise (the threads of the two threaded rods 15 rotate in opposite directions), so the movement of the threaded rod 15 on the right is described. Figure 3 Based on the direction of rotation, the counterclockwise rotating threaded rod 15 drives the first gear 16 on the left to rotate counterclockwise, the first gear 16 on the left drives the ratchet 19 to rotate counterclockwise through the third connecting rod 18, the ratchet 19 drives the step plate 21 to move, the step plate 21 drives the square slide 9 to move, the square slide 9 drives the moving plate 12 to move through the first connecting rod 10 and the connecting sleeve 11. At the same time, the first gear 16 on the left drives the first gear 16 on the right to rotate clockwise, the first gear 16 on the right drives the ratchet 19 to rotate clockwise through the third connecting rod 18, the ratchet 19 drives the step plate 21 to move, and the step plates 21 on the left and right sides move in the same direction. Figure 2 Based on the direction, the movable plates 12 on the left and right sides move away from each other. During the movement of the movable plates 12, the movable plates 12 and the plastic particles located on the upper side of the transmission device 5 are offset, so that the plastic particles are spread out and kept as flat as possible, thereby improving the accuracy of the detection results.

[0040] During the process of the movable plate 12 moving rightward relative to the detection pressure plate 4, the rack 17 is in a stationary state, so the gear cylinder 24 moving with the movable plate 12 will rotate relative to the movable plate 12 (in this process, the gear cylinder 24 and the rack 17 are always in a meshing state), so the rotating gear cylinder 24 and the rotating shaft 25 drive the fifth gear 33 to rotate, and the fifth gear 33 drives all the fourth connecting rods 29 to rotate through the transmission of the fourth gear 32 and the third gear 30. Since the fourth connecting rod 29 and the rotating cylinder 36 are connected in an up and down sliding manner, the rotating fourth connecting rod 29 will drive the rotating cylinder 36 to rotate. The rotating cylinder 36 drives the connecting cylinder 37 and the third connecting plate 38 to rotate, that is, the rotating cylinder 36 will also rotate in the process of following the movement of the movable plate 12. When the rotating third connecting plate 38 and the plastic particles collide with each other, the plastic particles will be moved. When multiple detection operations are performed on the plastic particles, the plastic particles can be automatically moved without manual means, and when the rotating third connecting plate 38 collides with the plastic particles, it may also cause the plastic particles to roll, thereby better forming the detection operation of the plastic particles, and when the detection pressure plate 4 applies pressure to the plastic particles, the movable plate 12 has moved to the detection pressure plate 4. At both ends of the pressure plate 4, the movable plate 12 does not affect the normal detection of the detection pressure plate 4, and after the detection pressure plate 4 completes the detection, the hydraulic device 3 is started again to drive the detection pressure plate 4 to move upward. At this time, the ratchet 19 will not drive the step plate 21 to move, but at this time, under the action of the compressed second spring 23, the movable plate 12 will move in the opposite direction of the previous movement as a whole, thereby causing the movable plate 12 to return to its original position relative to the detection pressure plate 4. In this process, the distance between the third connecting plate 38 and the lower side of the detection pressure plate 4 is small, which prevents the possibility of plastic particles sticking to the detection pressure plate 4, thereby forming a pressure on the detection pressure plate 4. The simple cleaning effect of the lower side is achieved, and in the above working process, when the third connecting plate 38 and the plastic particles are against each other, if the number of plastic particles is large and the size is large, the plastic particles will cause a certain obstruction to the rotation of the third connecting plate 38 during the rotation of the third connecting plate 38, thereby causing the sensor 40 to be activated. In the process of the moving plate 12 moving back and forth, the frequency and size of the signal emitted by the sensor 40 can be compared. If the frequency and size of the signal emitted by the sensor 40 differ greatly, it means that the plastic particles are seriously damaged after passing through the pressure of the detection plate 4, and the detection pressure needs to be adjusted;

[0041] The movable plate 12 is arranged in a trapezoidal shape. During the movement of the movable plate 12, when the movable plate 12 moves to the end of the detection pressure plate 4, the detection pressure plate 4 will be against the hypotenuse of the movable plate 12. During the continued movement of the movable plate 12, the detection pressure plate 4 and the triangular plate 41 will be against each other, causing the triangular plate 41 to move along the movable plate 12. The triangular plate 41 drives the fifth connecting rod 42 to move downward through the telescopic sleeve 26. The fifth connecting rod 42 stretches the fourth spring 20 while driving the baffle 43 to move downward. During the process of applying pressure on the detection pressure plate 4, if the plastic particles are squeezed and damaged, the baffle 43 will form an obstruction, reducing the possibility of the plastic particles "flying" out from between the detection pressure plate 4 and the transmission equipment 5 due to squeezing, thereby improving a certain degree of safety.

Claims

1. An impact-resistant plastic particle detection device, comprising a housing (1), characterized in that: A detection component is installed in the shell (1), and a control component for the plastic particles to be detected is installed in the shell (1), and the control component includes two fixed plates (7), and both sides of the two fixed plates (7) are fixedly connected to fixed rods (8), and each of the fixed rods (8) is slidably connected to a square slide (9), and the square slide (9) is fixedly connected to a first connecting rod (10), and the first connecting rod (10) is slidably connected to a connecting sleeve (11), and a second spring (23) is fixedly connected between the connecting sleeve (11) and the first connecting rod (10), and the connecting sleeve (11) is fixedly connected to a movable plate (12). The shell (1) is fixedly connected to two second connecting rods (13), two of the second connecting rods (13) are fixedly connected to the second connecting plate (14), the second connecting plate (14) is internally threadedly connected to the threaded rod (15), the detection pressure plate (4) is rotatably connected to four third connecting rods (18), the four third connecting rods (18) are all fixedly connected to the first gear (16), the first gears (16) are engaged with each other, the threaded rod (15) and two of the first gears (16) are fixedly connected, the four third connecting rods (18) are also fixedly connected to the ratchet (19), the square slide (9) is slidably connected to the step plate (21), and a first spring (22) is fixedly connected between the step plate (21) and the square slide (9).

2. The impact-resistant plastic particle detection device according to claim 1, characterized in that: A moving assembly for the plastic particles to be detected is installed in the moving plate (12), and the moving assembly includes a plurality of deep grooves (27) opened on the upper and lower sides of the moving plate (12), the plurality of deep grooves (27) are slidably connected to a moving ring (34), a third spring (35) is fixedly connected between the moving ring (34) and the deep groove (27), the moving ring (34) is rotatably connected to a rotating cylinder (36), the rotating cylinder (36) is rotatably connected to a connecting cylinder (37), and the connecting cylinder (37) is fixedly connected to a third connecting plate (38).

3. The impact-resistant plastic particle detection device according to claim 2, characterized in that: A cavity (28) is opened in the movable plate (12), and a plurality of fourth connecting rods (29) are rotatably connected to the cavity (28), and both ends of the plurality of fourth connecting rods (29) extend into the connecting cylinder (37) and are slidably connected to the connecting cylinder (37), and the plurality of fourth connecting rods (29) are fixedly connected to the third gear (30), and a plurality of transmission rods (31) are rotatably connected in the cavity (28), and the plurality of transmission rods (31) are fixedly connected to the fourth gear (32), and the fourth gear (32) and the third gear (30) are fixedly connected to the fourth gear (32). The three gears (30) are meshed with each other. The cavity (28) is also rotatably connected to a rotating shaft (25). The rotating shaft (25) is fixedly connected to a fifth gear (33). The fifth gear (33) is meshed with a fourth gear (32). One end of the rotating shaft (25) passes through the cavity (28), and the end of the rotating shaft (25) away from the cavity (28) is fixedly connected to a gear cylinder (24). The detection pressure plate (4) is fixedly connected to four racks (17). The gear cylinder (24) and the racks (17) are meshed with each other.

4. The impact-resistant plastic particle detection device according to claim 3, characterized in that: A torsion spring (39) is fixedly connected between the rotating cylinder (36) and the connecting cylinder (37), and a sensor (40) is also fixedly connected between the rotating cylinder (36) and the connecting cylinder (37).

5. The impact-resistant plastic particle detection device according to claim 4, characterized in that: A protective assembly is installed on the outer side of the movable plate (12), and the protective assembly includes a fourth connecting plate (44) fixedly installed on the movable plate (12); the movable plate (12) is slidably connected to a baffle (43); the baffle (43) is fixedly connected to a fifth connecting rod (42); a fourth spring (20) is fixedly connected between the fifth connecting rod (42) and the fourth connecting plate (44); the fifth connecting rod (42) is fixedly connected to two groups of telescopic sleeves (26); the two groups of telescopic sleeves (26) are fixedly connected to a triangular plate (41); and the triangular plate (41) and the movable plate (12) are slidably connected.

6. The impact-resistant plastic particle detection device according to claim 1, characterized in that: The side walls of the triangular plate (41) and the movable plate (12) are both smoothly arranged.

7. The impact-resistant plastic particle detection device according to claim 1, characterized in that: The detection assembly comprises a hydraulic device (3) fixedly installed in an inner shell (1), the shell (1) is fixedly connected to a feed funnel (2), the shell (1) is fixedly connected to a display screen, a transmission device (5) is installed in the shell (1), the output end of the hydraulic device (3) is fixedly connected to a detection pressure plate (4), and two first connecting plates (6) are symmetrically fixedly connected in the shell (1).

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