A PET centralized feeding mechanism

Abstract

The present invention relates to the field of PET feeding technology, specifically to a PET centralized feeding mechanism, including a feeding pipe for feeding, a discharging pipe for discharging, a PET material guiding mechanism arranged between the feeding pipe and the discharging pipe, a dirt removing mechanism arranged outside the PET material guiding mechanism, a pressurizing mechanism arranged on the PET material guiding mechanism, and a vibrating screening mechanism arranged on the dirt removing mechanism. By arranging a PET material guiding mechanism on the path of the PET material feeding after transportation, and arranging a pressurizing mechanism on the PET material guiding mechanism, when the material is centrally transferred by the PET material guiding mechanism, the pressurizing mechanism is used to transfer factors such as hot steam flow, washing liquid or dry air flow to the PET material guiding mechanism, and the continuously supplied material can be fully cleaned, and an effective chamber is provided for pre-wetting, pre-stabilization or further drying of the material according to demand.

Description

Technical Field

[0001] The invention relates to the technical field of PET feeding, in particular to a PET centralized feeding mechanism. Background Art

[0002] PET is a milky white or light yellow, highly crystalline polymer with a smooth and glossy surface. It has excellent physical and mechanical properties over a wide temperature range and an operating temperature of up to 120°C. It has excellent electrical insulation properties and its electrical properties are still good even at high temperature and high frequency.

[0003] After PET is prepared, it needs to be unloaded and transported. During this process, it is easily affected by the equipment or external environment and generates a certain amount of airflow. Under the interference of the airflow, dust and other particles on the bottom surface will be raised. As the workers walk back and forth, the raised dust and other particles will be transferred to the PET material after unloading. In this process, a certain amount of dirt will accumulate in the PET material. When the material is transferred and needs to be used in proportion, the conventional feeding device will also concentrate the dirt in the air and the material. When a certain amount of dirt accumulates, the production of the raw materials that need to be supplied will be affected.

[0004] In view of this, a PET centralized feeding mechanism is designed to solve the above problems. Summary of the invention

[0005] The present invention aims to solve one of the technical problems existing in the prior art or related technology.

[0006] To this end, the technical solution adopted in the present invention is:

[0007] A PET centralized feeding mechanism comprises a feeding pipe for feeding, a discharging pipe for discharging, a PET material guiding mechanism arranged between the feeding pipe and the discharging pipe, a dirt removing mechanism arranged outside the PET material guiding mechanism, a pressurizing mechanism arranged on the PET material guiding mechanism, a vibrating screening mechanism arranged on the dirt removing mechanism, and a linkage mechanism arranged on the vibrating screening mechanism; the dirt removing mechanism comprises a collecting cover for centralized storage; the pressurizing mechanism comprises an outer box; the PET material guiding mechanism comprises a beam tube, a ring cover installed at one end of the beam tube, and a protective sleeve installed at the other end of the ring cover; a plurality of evenly distributed thinning blades are arranged in the ring cover, a guide end mounted on the plurality of thinning blades, and an extruding piece arranged in the protective sleeve and used for extruding PET.

[0008] In a preferred example, the present invention can be further configured as follows: the bottom of the beam tube is provided with evenly distributed notches, and the middle of the top surface of the beam tube is provided with an arc-shaped notch, and the arc-shaped notch is communicated with the inner cavity of the outer box;

[0009] A filter is provided in the port at the bottom of the outer box, and an external hose is provided on the top of the outer box;

[0010] Four auxiliary pads are installed on the outside of the beam tube and the protective sleeve, and compression springs are installed on the auxiliary pads;

[0011] The feed pipe is installed on the end of the protective sleeve away from the ring cover;

[0012] The discharge pipe is installed on the end of the beam pipe away from the ring cover.

[0013] In a preferred example, the present invention can be further configured as follows: the dirt-removing mechanism further includes two second sleeves arranged outside the beam tube, two first sleeves arranged outside the protective sleeve, second gaskets installed in the two second sleeves, and first gaskets installed in the two first sleeves;

[0014] The inner walls of the first sleeve and the second sleeve are both provided with main pads;

[0015] The other end of the compression spring is connected to the main pad foot;

[0016] The beam tube, the ring cover and the protective sleeve are located in the middle of the inner cavities of the two first sleeves and the two second sleeves.

[0017] In a preferred example, the present invention can be further configured as follows: the vibrating screening mechanism includes a clamping seat mounted on the first sleeve and the second sleeve, a clamping head mounted on the bottom end of the clamping seat, a limiting rod movably mounted in the two clamping heads, a shaft sleeve disposed in the two clamping seats, and a striker movably mounted in the shaft sleeve;

[0018] The top end of the sleeve is adapted to penetrate into the collecting cover, and the column head at the top of the striker is adapted to fit the bottom of the beam tube;

[0019] The outsides of the two clamp seats are provided with a first clamp and a driving component installed in the first clamp.

[0020] In a preferred example, the present invention can be further configured as follows: the striker is composed of a T-shaped ejector pin and an elliptical pad, and a slideway is provided inside the elliptical pad, and two springs are provided inside the slideway, and a positioning rod is provided in the middle of the slideway;

[0021] The limit rod is movably mounted outside the positioning rod, and two springs are respectively arranged at the top and bottom of the limit rod;

[0022] A clamping rod is arranged outside the elliptical pad, and a connecting rod is movably installed on the clamping rod.

[0023] In a preferred example, the present invention can be further configured as follows: the driving assembly is composed of a motor, a first deflection wheel, and an extended gear rod, and the top end of the connecting rod is movably mounted on a column away from the center of the first deflection wheel.

[0024] In a preferred example, the present invention can be further configured as follows: the linkage mechanism includes a second clamp installed on the first clamp, a reducer installed in the second clamp, an output member installed on the top output shaft of the reducer, an input member installed on the bottom input shaft of the reducer, a column fixedly installed on the outer end of the second clamp, an auxiliary member movably installed on the column, a first pull rod connected to the output member and the auxiliary member, and a second pull rod movably installed at the bottom end of the auxiliary member.

[0025] In a preferred example, the present invention can be further configured as follows: the thinning blade is in an L-shaped structure as a whole, and a blade edge is formed at one end of the thinning blade away from the ring cover;

[0026] The guiding end head is in a truncated cone-shaped structure as a whole, and one end of the guiding end head away from the cutting edges of the plurality of thinning blades is in a gradually changing inclined surface.

[0027] In a preferred example, the present invention can be further configured as follows: the extrusion member is composed of a barrel-shaped booster column and a support rod;

[0028] A slide groove is provided at the bottom of the protective sleeve near one end of the feed pipe, and the support rod is movably installed in the slide groove, and the top end of the second pull rod is movably installed on the bottom end of the support rod.

[0029] In a preferred example, the present invention can be further configured as follows: the filter screen is an overall semi-cylindrical structure, and fine grooves are opened inside the filter screen, and the inner wall of the filter screen is aligned with the inner wall of the beam tube.

[0030] By adopting the above technical solution, the beneficial effects achieved by the present invention are as follows:

[0031] 1. The present invention sets a PET material guiding mechanism on the path of the PET material feeding after the transfer, and sets a pressurizing mechanism on the PET material guiding mechanism. After the material is centrally transferred by the PET material guiding mechanism, the pressurizing mechanism is used to transfer factors such as hot steam flow, washing liquid or dry air flow to the PET material guiding mechanism, so that the continuously supplied material can be fully cleaned, and an effective chamber is provided for pre-wetting, pre-stabilization or further drying of the material according to needs.

[0032] 2. The present invention uses a plurality of compression springs to install the beam tube in two first sleeves and two second sleeves. When the vibration screening mechanism provides high-frequency impact vibration force to the beam tube, the elastically supported beam tube can shake off dirt such as gravel attached to the PET, thereby effectively ensuring the cleanliness of the centrally supplied PET materials.

[0033] 3. The present invention arranges a plurality of circumferentially evenly distributed thinning blades in a protective sleeve, and arranges an extrusion piece at the other end of the inner cavity of the protective sleeve, which is driven by a linkage mechanism. Finally, the extrusion piece can squeeze the input PET material into the gaps between the plurality of thinning blades, thereby independently dividing the agglomerated materials, thereby preventing the device from being clogged by the agglomerated materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the present invention when used;

[0035] Figure 2 It is a partial schematic diagram of the present invention;

[0036] Figure 3 is a schematic diagram of the linkage mechanism of the present invention;

[0037] Figure 4 is a schematic diagram of the vibrating screening mechanism of the present invention;

[0038] Figure 5 For the present invention Figure 4 The enlarged schematic diagram of point A in the middle;

[0039] Figure 6 Schematic diagram of the dirt removal mechanism of the present invention;

[0040] Figure 7 It is a schematic diagram of the pressurizing mechanism and the PET material guiding mechanism of the present invention;

[0041] Figure 8 For the present invention Figure 7 Schematic diagram of a local explosion.

[0042] Reference numerals:

[0043] 100, vibrating screening mechanism; 110, clamping seat; 120, clamping head; 130, limiting rod; 140, bushing; 150, striker; 151, T-shaped ejector pin; 152, elliptical pad; 1521, positioning rod; 160, spring; 170, first clamp; 180, driving assembly; 190, connecting rod;

[0044] 200, linkage mechanism; 210, second fixture; 220, reducer; 230, output member; 240, input member; 250, column; 260, auxiliary member; 270, first pull rod; 280, second pull rod;

[0045] 300, dirt removal mechanism; 310, first sleeve; 320, second sleeve; 330, main pad; 340, first gasket; 350, second gasket; 360, collection cover; 370, dirt discharge pipe;

[0046] 400, pressurizing mechanism; 410, outer box; 420, filter screen; 430, external hose;

[0047] 500, feed pipe;

[0048] 600, discharge pipe;

[0049] 700, PET material guiding mechanism; 710, beam tube; 720, auxiliary pad; 730, compression spring; 740, ring cover; 750, thinning blade; 760, guide end; 770, protective sleeve; 780, extrusion part. DETAILED DESCRIPTION

[0050] To make the purpose, technical solution and advantages of the present invention more clear, the present invention is further described in detail below in combination with specific implementations and with reference to the accompanying drawings. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0051] It is to be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention.

[0052] A PET centralized feeding mechanism provided by some embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0053] Embodiment 1:

[0054] Combination Figure 1-Figure 8 As shown, a PET centralized feeding mechanism provided by the present invention includes a feeding pipe 500 for feeding, a discharging pipe 600 for discharging, a PET guiding mechanism 700 arranged between the feeding pipe 500 and the discharging pipe 600, a dirt removal mechanism 300 arranged outside the PET guiding mechanism 700, a pressurizing mechanism 400 arranged on the PET guiding mechanism 700, a vibrating screening mechanism 100 arranged on the dirt removal mechanism 300, and a linkage mechanism 200 arranged on the vibrating screening mechanism 100, the vibrating screening mechanism 100 and the linkage mechanism 200 are used to provide kinetic energy for the vibration of the PET guiding mechanism 700, the dirt removal mechanism 300 is used to provide vibrating clamping for the PET guiding mechanism 700, and the pressurizing mechanism 400 is used to input hot steam flow, dry air flow or washing liquid, etc.

[0055] The vibrating screening mechanism 100 includes a clamping seat 110 mounted on a first sleeve 310 and a second sleeve 320, a clamping head 120 mounted at the bottom of the clamping seat 110, a limiting rod 130 movably mounted in the two clamping heads 120, a shaft sleeve 140 disposed in the two clamping seats 110, and a striker 150 movably mounted in the shaft sleeve 140;

[0056] The linkage mechanism 200 includes a second fixture 210 mounted on the first fixture 170, a reducer 220 mounted in the second fixture 210, an output member 230 mounted on the output shaft at the top of the reducer 220, an input member 240 mounted on the input shaft at the bottom of the reducer 220, a column 250 fixedly mounted on the outer end of the second fixture 210, an auxiliary member 260 movably mounted on the column 250, a first pull rod 270 connected to the output member 230 and the auxiliary member 260, and a second pull rod 280 movably mounted on the bottom end of the auxiliary member 260;

[0057] The dirt removal mechanism 300 includes a collecting cover 360 for centralized storage, two second sleeves 320 arranged outside the beam tube 710, two first sleeves 310 arranged outside the protective sleeve 770, a second gasket 350 installed in the two second sleeves 320, and a first gasket 340 installed in the two first sleeves 310;

[0058] The inner walls of the two first sleeves 310 and the second sleeve 320 are both installed with main pads 330;

[0059] The boost mechanism 400 includes an outer box 410 , a filter screen 420 is disposed in a port at the bottom of the outer box 410 , and an external hose 430 is disposed at the top of the outer box 410 ;

[0060] The PET material guiding mechanism 700 includes a beam tube 710, a ring cover 740 installed at one end of the beam tube 710, and a protective sleeve 770 installed at the other end of the ring cover 740;

[0061] A plurality of evenly distributed thinning blades 750 , a guide end 760 mounted on the plurality of thinning blades 750 , and an extrusion member 780 disposed in the protective sleeve 770 and used for extruding PET are arranged in the ring cover 740 .

[0062] PET is a milky white or light yellow highly crystalline polymer with a smooth and shiny surface. It has good creep resistance, fatigue resistance, abrasion resistance and dimensional stability, low wear and high hardness, and has the greatest toughness among thermoplastics. Due to the high glass transition temperature of PET resin, slow crystallization speed, long molding cycle, long molding cycle, large molding shrinkage, and poor dimensional stability, the finished product has problems such as abnormal shape or agglomeration. During the unloading process, the transfer of materials and the equipment for preparing materials will stimulate airflow in the factory, and eventually the airflow will lift up dust and other particles on the ground, and the lifted particles or dust will eventually be entrained into the material. When the material is transported and the material to be added is added, the centralized supply device will gather dust and other impurities in the air into the material in turn.

[0063] Therefore, the mechanism is arranged on the path for supplying PET materials. After the materials are input into the inner cavity of the protective sleeve 770 through the feed pipe 500, the materials will enter the gaps of the plurality of thinning blades 750 under the guidance of the inclined surface of the guide end 760 under the action of the airflow. As the driving component 180 is started, the gear on the extended gear rod in the driving component 180 is meshed with the tooth mouth of the driving input member 240. At this time, the rotation of the extended gear rod will drive the driving input member 240 to rotate. The other end of the extended gear rod cooperates with the first deflection wheel and the column to drive the connecting rod 190 to extend back and forth, and finally output from the output member 230, thereby obtaining the first gear pulled by the output member 230. The first pull rod 270 will pull the second pull rod 280 under the stretching action of the auxiliary member 260, and finally the extrusion member 780 will reciprocate and extend along the inner cavity of the protective sleeve 770, and finally the irregular or agglomerated materials can be squeezed by the extrusion member 780 and cut by the cutting ends of multiple thinning blades 750, and finally the cut materials will enter the beam tube 710 under the action of airflow, and with the impact of the striker 150, the materials will be shaken and dispersed by the vibrating beam tube 710, and with the action of the airflow gushing out of the outer box 410, the dust or gravel on the materials can be shaken off and finally discharged from the slot at the bottom of the beam tube 710, thereby effectively ensuring the cleanliness of the PET materials.

[0064] Embodiment 2:

[0065] Combination Figure 6-Figure 8 As shown, on the basis of Example 1, the bottom of the beam tube 710 is provided with evenly distributed notches, and the middle of the top surface of the beam tube 710 is provided with an arc-shaped notch, and the arc-shaped notch is communicated with the inner cavity of the outer box 410;

[0066] Four auxiliary pads 720 are installed on the outside of the beam tube 710 and the protective sleeve 770, and compression springs 730 are installed on the auxiliary pads 720;

[0067] The feed pipe 500 is installed on the end of the protective sleeve 770 away from the ring cover 740;

[0068] The discharge pipe 600 is installed on the end of the beam pipe 710 away from the ring cover 740.

[0069] Preferably, the size of the notch at the bottom of the beam tube 710 needs to be pre-set according to the volume of the PET material after crystallization. After the beam tube 710, the ring cover 740 and the protective sleeve 770 are welded, the beam tube 710, the ring cover 740 and the protective sleeve 770 struck by the striker 150 can be subjected to high-frequency vibration as a whole, which can eventually shake off the dirt on the PET material and prevent the material from clogging up in the inner cavity of the mechanism.

[0070] The other end of the compression spring 730 is connected to the main pad foot 330;

[0071] The beam tube 710 , the ring cover 740 and the protective sleeve 770 are located in the middle of the inner cavities of the two first sleeves 310 and the two second sleeves 320 .

[0072] Preferably, the shells of the two first sleeves 310 and the two second sleeves 320 are made of stainless steel, aluminum alloy, etc., and the first sleeve 310 and the second sleeve 320 are used to provide a suspended support platform for the beam tube 710, the ring cover 740 and the protective sleeve 770. After the external hose 430 inputs the hot steam flow or the dry air flow into the outer box 410 and the beam tube 710, the vibrated material can be cleansed twice or multiple times under the action of the above-mentioned airflow.

[0073] Embodiment 3:

[0074] Combination Figure 2-Figure 7 As shown, based on Example 1, the top end of the sleeve 140 is adapted to penetrate into the collecting cover 360, and the column head at the top of the striker 150 is adapted to fit the bottom of the beam tube 710;

[0075] A first clamp 170 and a driving assembly 180 installed in the first clamp 170 are installed outside the two clamp seats 110 .

[0076] Preferably, the mechanism adopts an independent source supply system, and the drive assembly 180 is slowed down by the reducer 220. At this time, the vibration speed of the striker 150 and the extension speed of the extruder 780 can be effectively regulated. At this time, the PET material input into the inner cavity of the protective sleeve 770 and the beam tube 710 can be pushed forward at a uniform speed during the supply period, and at the same time, the mechanism can be effectively prevented from being blocked by special-shaped or agglomerated materials.

[0077] The striker 150 is composed of a T-shaped ejector pin 151 and an elliptical pad 152, and a slideway is provided inside the elliptical pad, and two springs 160 are provided inside the slideway, and a positioning rod 1521 is provided in the middle of the slideway;

[0078] The limiting rod 130 is movably mounted outside the positioning rod 1521, and two springs 160 are respectively arranged at the top and bottom of the limiting rod 130;

[0079] A clamping rod is arranged outside the elliptical pad, and a connecting rod 190 is movably mounted on the clamping rod.

[0080] Preferably, the two springs 160 are used to provide a bidirectional reset force for the limit rod 130, and the sleeves 140 disposed in the two clamping seats 110 are used to reduce the vibration of the striker 150 during vibration.

[0081] The driving assembly 180 is composed of a motor, a first deflection wheel and an extended gear rod. The top end of the connecting rod 190 is movably mounted on a column away from the center of the first deflection wheel.

[0082] Embodiment 4:

[0083] Combination Figure 2 and Figure 7 As shown, in the above embodiment, the thinning blade 750 is in an L-shaped structure as a whole, and a blade edge is formed at one end of the thinning blade 750 away from the ring cover 740;

[0084] The guide end 760 is in a truncated cone shape as a whole, and one end of the guide end 760 away from the cutting edges of the plurality of thinning blades 750 is in a gradually changing slope, wherein the guide end 760 is in a truncated cone shape.

[0085] Preferably, the inclined surface of the guide end 760 away from the thinning blade 750 is located at the port at the inner end of the extrusion piece 780, and the right inclined surface of the guide end 760 is used to provide a buffer for the material after being input through the extrusion piece 780, and the guide end 760 and the multiple thinning blades 750 are all made of stainless steel.

[0086] The extrusion member 780 is composed of a barrel-shaped booster column and a support rod, wherein the outer end of the support rod is movably mounted on the second pull rod 280;

[0087] A slide groove is provided at the bottom of the protective sleeve 770 near one end of the feed pipe 500, and the support rod is movably installed in the slide groove, and the top end of the second pull rod 280 is movably installed on the bottom end of the support rod.

[0088] Preferably, when the second pull rod 280 is pulled by the reciprocatingly extending auxiliary member 260, the support rod movably installed on the second pull rod 280 will drive the boost column to move back and forth horizontally. At this time, the extrusion member 780 can be extended at high frequency under constant pressure. The auxiliary member 260, the first pull rod 270 and the second pull rod 280 are only a linkage method for pulling the extrusion member 780 to reciprocate. According to the speed requirement of the reciprocating extension of the extrusion member 780, the speed regulation ratio of the reducer 220 can be adjusted according to actual needs.

[0089] The filter screen 420 is in a semi-cylindrical structure as a whole, and fine grooves are opened inside the filter screen 420 , and the inner wall of the filter screen 420 is aligned with the inner wall of the beam tube 710 .

[0090] Preferably, the inner cavity of the beam tube 710 near one end of the discharge pipe 600 can be set as a funnel-shaped structure to provide a platform for rapid discharge of materials input into the inner cavity of the beam tube 710. In addition, the aperture shell inside the discharge pipe 600 is set according to the actual amount of input material until the aperture of the inner cavity of the discharge pipe 600 is consistent with the aperture of the beam tube 710.

[0091] The working principle and use process of the present invention: PET polyethylene terephthalate is a high polymer obtained by dehydration condensation reaction of ethylene terephthalate. PET is a milky white or light yellow, highly crystalline polymer with a smooth and glossy surface. It has excellent physical and mechanical properties in a wide temperature range, and the long-term use temperature can reach 120°C. It has excellent electrical insulation, and even at high temperature and high frequency, its electrical properties are still good, but its corona resistance is poor, and its creep resistance, fatigue resistance, friction resistance and dimensional stability are all very good.

[0092] PET materials are affected by the preparation environment and human factors. The airflow caused by the production equipment will lift up the particles in the factory. The lifted particles will be entrained by the airflow and adsorbed on the PET materials with static electricity. After the feeding device transfers the materials, the impurities attached to the particles and the particles will be adsorbed on the inner wall of the feeding device under the action of static electricity. At the same time, impurities such as gravel accumulated in the PET will also have a serious impact on its thermal melting.

[0093] After the feed pipe 500 transfers the PET material to the inner cavity of the protective sleeve 770 in coordination with the airflow, the PET particles are transferred to the gaps between the plurality of sparse blades 750 under the guidance of the inclined surface of the guide end 760, and then the drive assembly 180 is started. As the transmission in the drive assembly 180 rotates at a high speed, an eccentric wheel installed at one end of the transmission shaft will drive the connecting rod 190 to move up and down. At this time, the striker 150 movably installed at the bottom end of the connecting rod 190 will vibrate at a high frequency under the constraint of the shaft sleeve 140. At this time, the column head at the top of the striker 150 will apply an impact force to the beam tube 710. Under the support of the plurality of compression springs 730, the impacted beam tube 710 can continuously shake the PET apart, and the gravel and attached impurities in the material will be discharged from the mesh at the bottom of the beam tube 710 under the action of vibration, and finally gathered in the collecting cover 360, and the gathered dirt can be discharged from the dirt discharge pipe 370.

[0094] At the same time, the gear at the other end of the transmission shaft in the driving component 180 will transmit the input member 240, and finally the output member 230 will drive the first pull rod 270 to stretch back and forth, and finally drive the second pull rod 280 to move under the linkage of the auxiliary member 260, and the extrusion member 780 movably installed on the top of the second pull rod 280 will move along the inner cavity of the protective sleeve 770 under the action of the reciprocating traction force. At this time, the transferred PET particles can be transferred to the inner cavity of the beam tube 710 from the gaps between the multiple thinning blades 750 under the auxiliary extrusion of the extrusion member 780. This process can cut off the agglomerated PET particles, and finally make each particle independent;

[0095] According to the needs of centralized transfer of independent PET particles, hot steam flow, washing liquid or dry air flow can be input into the outer box 410 through the external hose 430, and finally flow into the particles inside the beam tube 710 through the filter 420. At this time, the PET particles can be efficiently and neatly centralized and transferred.

[0096] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A PET centralized feeding mechanism, comprising a feeding pipe (500) for feeding and a discharging pipe (600) for discharging, characterized in that: It also includes a PET material guiding mechanism (700) arranged between a material feeding pipe (500) and a material discharging pipe (600), a dirt removing mechanism (300) arranged outside the PET material guiding mechanism (700), a pressurizing mechanism (400) arranged on the PET material guiding mechanism (700), a vibration screening mechanism (100) arranged on the dirt removing mechanism (300), and a linkage mechanism (200) arranged on the vibration screening mechanism (100); The vibrating screening mechanism (100) comprises a clamping seat (110) mounted on a first sleeve (310) and a second sleeve (320), a clamping head (120) mounted at the bottom end of the clamping seat (110), a limiting rod (130) movably mounted in the two clamping heads (120), a shaft sleeve (140) disposed in the two clamping seats (110), and a striker (150) movably mounted in the shaft sleeve (140); The top end of the shaft sleeve (140) is adapted to penetrate into the material collecting cover (360), and the column head at the top of the striker (150) is adapted to fit the bottom of the beam tube (710); A first clamp (170) and a driving assembly (180) installed in the first clamp (170) are installed outside the two clamp seats (110); The striker (150) is composed of a T-shaped ejector pin (151) and an elliptical pad (152), wherein a slideway is provided inside the elliptical pad, two springs (160) are provided inside the slideway, and a positioning rod (1521) is provided in the middle of the slideway; The limiting rod (130) is movably mounted outside the positioning rod (1521), and the two sub-springs are respectively arranged at the top and bottom of the limiting rod (130); A clamping rod is arranged outside the elliptical pad, and a connecting rod (190) is movably mounted on the clamping rod; The PET material guiding mechanism (700) comprises a beam tube (710), a ring cover (740) installed at one end of the beam tube (710), and a protective sleeve (770) installed at the other end of the ring cover (740); The ring cover (740) is provided with a plurality of evenly distributed thinning blades (750), a guide end head (760) mounted on the plurality of thinning blades (750), and an extrusion piece (780) provided in the protective sleeve (770) and used for extruding PET; The bottom of the beam tube (710) is provided with evenly distributed notches, and the middle of the top surface of the beam tube (710) is provided with an arc-shaped notch, and the arc-shaped notch is communicated with the inner cavity of the outer box (410); Four auxiliary pads (720) are installed on the outside of the beam tube (710) and the protective sleeve (770), and compression springs (730) are installed on the auxiliary pads (720); The feed pipe (500) is installed on the end of the protective sleeve (770) away from the ring cover (740); The discharge pipe (600) is installed on the end of the beam pipe (710) away from the ring cover (740); The dirt-removing mechanism (300) comprises a collecting cover (360) for centralized storage, two second sleeves (320) arranged outside the beam tube (710), two first sleeves (310) arranged outside the protective sleeve (770), a second gasket (350) installed in the two second sleeves (320), and a first gasket (340) installed in the two first sleeves (310); The inner walls of the first sleeve (310) and the second sleeve (320) are both provided with main pads (330); The other end of the compression spring (730) is connected to the main pad foot (330); The beam tube (710), the ring cover (740) and the protective sleeve (770) are located in the middle of the inner cavities of the two first sleeves (310) and the two second sleeves (320).

2. A PET centralized feeding mechanism according to claim 1, characterized in that: The driving assembly (180) is composed of a motor, a first deflection wheel, and an extended gear rod, and the top end of the connecting rod (190) is movably mounted on a column away from the center of the first deflection wheel.

3. A PET centralized feeding mechanism according to claim 1, characterized in that: The linkage mechanism (200) comprises a second clamp (210) mounted on the first clamp (170), a reducer (220) mounted in the second clamp (210), an output member (230) mounted on the top output shaft of the reducer (220), an input member (240) mounted on the bottom input shaft of the reducer (220), a column (250) fixedly mounted on the outer end of the second clamp (210), an auxiliary member (260) movably mounted on the column (250), a first pull rod (270) connected to the output member (230) and the auxiliary member (260), and a second pull rod (280) movably mounted on the bottom end of the auxiliary member (260).

4. A PET centralized feeding mechanism according to claim 1, characterized in that: The thinning blade (750) is in an L-shaped structure as a whole, and a blade edge is provided at one end of the thinning blade (750) away from the ring cover (740); The guide end head (760) is in the form of a truncated cone as a whole, and one end of the guide end head (760) away from the blade edges of the plurality of thinning blades (750) is in the form of a gradually changing slope.

5. A PET centralized feeding mechanism according to claim 3, characterized in that: The extrusion member (780) is composed of a barrel-shaped booster column and a support rod; A slide groove is provided at the bottom of the protective sleeve (770) near one end of the feed pipe (500), and the support rod is movably installed in the slide groove, and the top end of the second pull rod (280) is movably installed on the bottom end of the support rod.

6. A PET centralized feeding mechanism according to claim 1, characterized in that: A filter screen (420) is arranged in a port at the bottom of the outer box (410), an external hose (430) is arranged at the top of the outer box (410), the filter screen (420) is an overall semi-cylindrical structure, and fine notches are provided inside the filter screen (420), and the inner side wall of the filter screen (420) is aligned with the inner wall of the beam tube (710).

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