Feeding device of PS particle extruder

Abstract

The utility model is suitable for the technical field of PS particle processing, and provides a PS particle extruder feeding device which comprises a mounting frame, the feeding frame is fixedly mounted on the mounting frame, and the feeding frame is communicated with the extruder; the feeding screw rod is rotationally mounted on the feeding frame and is used for feeding PS particles into an extruder; the driving motor is fixedly mounted on the outer wall of one side of the feeding frame, and an output shaft of the driving motor is fixedly connected with one end of the feeding screw; the two screening boxes are fixedly installed on the installation frame, the two screening boxes communicate with each other and communicate with the feeding frame, and a plurality of connecting mechanisms are arranged in the screening boxes. According to the feeding device of the PS particle extruder, provided by the scheme, PS particles can be fed into the extruder and can be screened, so that the PS particles are more uniform, and the feeding uniformity of the PS particles is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of PS particle processing, in particular to a PS particle extruder feeding device. Background Art

[0002] PS particles, or polystyrene particles, are a type of thermoplastic material made from the polymerization of styrene monomers. Its full English name is Polystyrene, and it is widely used in various fields.

[0003] When processing PS particles, an extruder is required. When the extruder is operating, a corresponding feeding device is required. The PS particles can be placed in the extruder for processing through the feeding device. However, some existing feeding devices still have certain shortcomings when feeding PS particles. They cannot screen larger particles in the PS particles, resulting in uneven PS particles, which easily leads to uneven feeding. Utility Model Content

[0004] The utility model provides a feeding device for a PS particle extruder, aiming to solve the problem in the above background technology that the currently used feeding device cannot screen the PS particles.

[0005] To solve the above problems, the present invention is implemented as follows: a PS pellet extruder feeding device, comprising: a mounting frame; a feeding frame fixedly mounted on the mounting frame, the feeding frame being connected to the extruder; a feeding screw rotatably mounted on the feeding frame, the feeding screw being used to feed PS pellets into the extruder; a driving motor fixedly mounted on an outer wall of one side of the feeding frame, the output shaft of the driving motor being fixedly connected to one end of the feeding screw; two screening boxes fixedly mounted on the mounting frame, the two screening boxes being connected to each other and both of the screening boxes being connected to the feeding frame, a plurality of connecting mechanisms being provided in the screening box, a screening plate being provided on the connecting mechanism, the screening plate being used to screen the PS pellets; a discharge box fixedly mounted on the screening box, the discharge box being connected to the screening box, the discharge box being used to discharge PS pellets into the screening box; a screening mechanism assembled on the two screening boxes, the screening mechanism being used to drive the two screening plates to vibrate and screen the PS pellets.

[0006] Preferably, a first discharge pipe is fixedly installed on one of the screening boxes, the first discharge pipe is connected to the feeding rack, and the first discharge pipe is used to discharge the screened PS particles into the feeding rack; and a second discharge pipe is fixedly installed on the other screening box, and the second discharge pipe is connected to the first discharge pipe.

[0007] Preferably, the connecting mechanism includes: a sliding rod fixedly mounted on the inner wall of one side of the screening box; a slider slidably mounted on the sliding rod, the slider being fixedly connected to the screening plate; and a spring mounted on the slider.

[0008] Preferably, the screening mechanism includes: two mounting shafts rotatably mounted on the two screening boxes, each of the mounting shafts being fixedly sleeved with a cam, the two cams being respectively located below the two screening plates, and the cams being used to vibrate the screening plates; a servo motor fixedly mounted on the outer wall of one side of the screening boxes, the output shaft of the servo motor being fixedly connected to one end of one of the mounting shafts; and two first pulleys fixedly sleeved on the two mounting shafts, the two first pulleys being sleeved with a first belt.

[0009] Preferably, a mounting shell is fixedly installed in the discharge box, a placement shaft is rotatably installed on the mounting shell, a plurality of material moving rods are fixedly installed on the placement shaft, the material moving rods are used to move the PS particles in the discharge box, and a driving mechanism is provided on the discharge box, and the driving mechanism is used to drive the material moving rods on the placement shaft to rotate and move the PS particles.

[0010] Preferably, the driving mechanism includes: a rotating shaft rotatably mounted on the discharge box and the mounting shell, two bevel gears fixedly mounted on the rotating shaft and the placement shaft, and the two bevel gears are meshed with each other; two second pulleys fixedly mounted on the rotating shaft and one of the mounting shafts, and a second belt is mounted on the two second pulleys.

[0011] Preferably, one of the screening boxes is provided with a discharge pipe, and the discharge pipe is used to discharge the screened PS particles.

[0012] Compared with the related art, the PS pellet extruder feeding device provided by the present invention has the following beneficial effects:

[0013] Compared with the prior art, the PS pellet extruder feeding device provided in this solution can feed PS pellets into the extruder and can screen the PS pellets to make the PS pellets more uniform, thereby improving the uniformity of PS pellet feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a rear structural diagram of a PS pellet extruder feeding device provided by the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 3for Figure 2 Schematic diagram of the enlarged structure of part A shown in FIG;

[0017] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of part B shown in FIG;

[0018] Figure 5 for Figure 1 Schematic diagram of the enlarged structure of part C shown in ;

[0019] Figure 6 It is a schematic diagram of the three-dimensional structure of the first feeding pipe and the second feeding pipe in the present invention.

[0020] Figure markings: 1. Mounting frame; 2. Feeding frame; 3. Feeding screw; 4. Driving motor; 5. Screening box; 501. First discharge pipe; 502. Second discharge pipe; 6. Screening plate; 7. Discharge box; 8. Slide rod; 9. Slider; 10. Spring; 11. Mounting shaft; 12. Cam; 13. Servo motor; 14. First pulley; 15. First belt; 16. Mounting shell; 17. Placement shaft; 18. Feeding rod; 19. Rotating shaft; 20. Bevel gear; 21. Second pulley; 22. Second belt. DETAILED DESCRIPTION

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein in the specification of the application are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the description of the above-mentioned drawings, as well as any variations thereof, are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention.

[0022] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0023] The present invention provides a PS pellet extruder feeding device. Figure 1-6 As shown, the PS pellet extruder feeding device includes: a mounting frame 1; a feeding frame 2 fixedly mounted on the mounting frame 1, the feeding frame 2 being connected to the extruder; a feeding screw 3 rotatably mounted on the feeding frame 2, the feeding screw 3 being used to feed the PS pellets into the extruder; a driving motor 4 fixedly mounted on an outer wall of one side of the feeding frame 2, the output shaft of the driving motor 4 being fixedly connected to one end of the feeding screw 3; two screening boxes 5 fixedly mounted on the mounting frame 1, the two screening boxes 5 being connected to each other, and The two screening boxes 5 are both connected to the feeding rack 2. A plurality of connecting mechanisms are provided in the screening box 5. A screening plate 6 is provided on the connecting mechanism. The screening plate 6 is used to screen the PS particles; a discharge box 7 is fixedly mounted on the screening box 5. The discharge box 7 is connected to the screening box 5 and is used to discharge the PS particles into the screening box 5; a screening mechanism is mounted on the two screening boxes 5. The screening mechanism is used to drive the two screening plates 6 to vibrate and screen the PS particles.

[0024] In this embodiment, when processing PS particles, the feeding rack 2 and the extruder are connected, and the PS particles are discharged into the screening box 5 through the discharge box 7. The discharge box 7 is connected to the corresponding material pipeline. The controller starts the screening mechanism to drive the two screening plates 6 to vibrate and screen the PS particles, so that the larger particles in the PS particles can be screened, making the PS particles more uniform, thereby improving the uniformity of feeding to the extruder. The screened PS particles enter the feeding rack 2, and the controller starts the drive motor 4 to drive the feeding screw 3 to rotate, thereby feeding the PS particles into the extruder. The entire device can feed the PS particles into the extruder, and the PS particles can be screened to make the PS particles more uniform, thereby improving the uniformity of feeding the PS particles. At the same time, the number of screening boxes 5 and screening plates 6 can be set according to actual needs, and the mesh size of the two screening plates 6 is the same. The two sets of screening plates 6 can fully screen the PS particles of qualified size and reduce the PS particles of qualified size.

[0025] In a further preferred embodiment of the present invention, a first discharge pipe 501 is fixedly installed on one of the screening boxes 5, and the first discharge pipe 501 is connected to the feeding rack 2. The first discharge pipe 501 is used to discharge the screened PS particles into the feeding rack 2, and a second discharge pipe 502 is fixedly installed on the other screening box 5, and the second discharge pipe 502 is connected to the first discharge pipe 501.

[0026] In this embodiment, the first discharge pipe 501 and the second discharge pipe 502 cooperate with each other to facilitate the discharge of the screened PS particles into the feeding rack 2.

[0027] In a further preferred embodiment of the present invention, the connecting mechanism includes: a slide rod 8 fixedly mounted on the inner wall of one side of the screening box 5; a slider 9 slidably mounted on the slide rod 8, the slider 9 and the screening plate 6 are fixedly connected; and a spring 10 mounted on the slider 9.

[0028] In this embodiment, through the mutual cooperation of the slide rod 8, the slider 9 and the spring 10, the screening plate 6 can be displaced up and down and vibrated in the screening box 5 to screen the PS particles, and a damping pad is provided on the slide rod 8, which can absorb the deformation of the spring 10.

[0029] In a further preferred embodiment of the present utility model, the screening mechanism includes: two mounting shafts 11 rotatably mounted on the two screening boxes 5, each of the two mounting shafts 11 being fixedly sleeved with a cam 12, the two cams 12 being respectively located below the two screening plates 6, and the cams 12 being used to vibrate the screening plates 6; a servo motor 13 fixedly mounted on the outer wall of one side of the screening boxes 5, the output shaft of the servo motor 13 being fixedly connected to one end of one of the mounting shafts 11; two first pulleys 14 respectively fixedly sleeved on the two mounting shafts 11, and a first belt 15 being sleeved on the two first pulleys 14.

[0030] In this embodiment, when the screening mechanism is used, the servo motor 13 is started by the controller to drive one of the mounting shafts 11 to rotate. Under the interaction of the first pulley 14 and the first belt 15, the two cams 12 on the two mounting shafts 11 can be driven to rotate, and the two screening plates 6 are respectively struck and vibrated. The vibrating screening plates 6 screen the PS particles, thereby screening the larger particles in the PS particles, making the PS particles more uniform, thereby improving the uniformity of feeding to the extruder.

[0031] In a further preferred embodiment of the present invention, a mounting shell 16 is fixedly installed in the discharge box 7, a placement shaft 17 is rotatably installed on the mounting shell 16, a plurality of material shifting rods 18 are fixedly installed on the placement shaft 17, and the material shifting rods 18 are used to shift the PS particles in the discharge box 7. A driving mechanism is provided on the discharge box 7, and the driving mechanism is used to drive the material shifting rods 18 on the placement shaft 17 to rotate and shift the PS particles.

[0032] In this embodiment, when the mounting shaft 11 rotates, it drives the driving mechanism, which drives the material moving rod 18 on the placement shaft 17 to rotate and move the PS particles, thereby avoiding blockage in the discharge box 7.

[0033] In a further preferred embodiment of the present utility model, the driving mechanism includes: a rotating shaft 19 rotatably mounted on the discharge box 7 and the mounting shell 16, two bevel gears 20 fixedly mounted on the rotating shaft 19 and the placement shaft 17, and the two bevel gears 20 are engaged with each other; two second pulleys 21 fixedly mounted on the rotating shaft 19 and one of the mounting shafts 11, and a second belt 22 is mounted on the two second pulleys 21.

[0034] In this embodiment, when the mounting shaft 11 rotates, the second pulley 21 and the second belt 22 interact with each other to drive the rotating shaft 19 to rotate, and the bevel gear 20 drives the material moving rod 18 on the placement shaft 17 to rotate to move the PS particles.

[0035] In a further preferred embodiment of the present invention, one of the screening boxes 5 is provided with a discharge pipe, and the discharge pipe is used to discharge the screened PS particles.

[0036] In this embodiment, the screened PS particles are discharged through a discharge pipe.

[0037] In summary, compared with the relevant technology, the present device can feed PS particles into the extruder, and can screen the PS particles to make the PS particles more uniform, thereby improving the uniformity of PS particle feeding.

[0038] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0039] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.

Claims

1. A PS pellet extruder feeding device, characterized in that, include: Mounting rack; A feeding rack fixedly mounted on the mounting frame, the feeding rack being in communication with the extruder; Rotating a feeding screw mounted on the feeding frame, the feeding screw is used to feed PS particles into the extruder; A drive motor is fixedly mounted on an outer wall of one side of the feeding rack, wherein the output shaft of the drive motor is fixedly connected to one end of the feeding screw; Two screening boxes fixedly mounted on the mounting frame, the two screening boxes being interconnected and both being connected to the feeding frame, the screening boxes being provided with a plurality of connecting mechanisms, the connecting mechanisms being provided with screening plates, the screening plates being used to screen the PS particles; A discharge box fixedly mounted on the screening box, the discharge box being in communication with the screening box, and used for discharging PS particles into the screening box; The screening mechanism is assembled on the two screening boxes, and is used to drive the two screening plates to vibrate to screen the PS particles.

2. The PS pellet extruder feeding device according to claim 1, characterized in that, A first discharge pipe is fixedly installed on one of the screening boxes, and the first discharge pipe is connected to the feeding rack. The first discharge pipe is used to discharge the screened PS particles into the feeding rack. A second discharge pipe is fixedly installed on the other screening box, and the second discharge pipe is connected to the first discharge pipe.

3. The PS pellet extruder feeding device according to claim 1, characterized in that, The connecting mechanism comprises: A sliding rod fixedly mounted on an inner wall of one side of the screening box; A slider slidably sleeved on the slide rod, wherein the slider is fixedly connected to the screening plate; A spring is sleeved on the slider.

4. The PS pellet extruder feeding device according to claim 1, characterized in that, The screening mechanism comprises: Two mounting shafts are respectively rotatably mounted on the two screening boxes, and cams are fixedly sleeved on the two mounting shafts. The two cams are respectively located below the two screening plates, and the cams are used to vibrate the screening plates; A servo motor fixedly mounted on an outer wall of one side of the screening boxes, wherein an output shaft of the servo motor is fixedly connected to one end of one of the mounting shafts; Two first pulleys are respectively fixedly sleeved on the two mounting shafts, and a first belt is sleeved on the two first pulleys.

5. The PS pellet extruder feeding device according to claim 4, characterized in that, A mounting shell is fixedly installed in the discharge box, a placement shaft is rotatably installed on the mounting shell, a plurality of material shifting rods are fixedly installed on the placement shaft, the material shifting rods are used to shift the PS particles in the discharge box, and a driving mechanism is provided on the discharge box, the driving mechanism is used to drive the material shifting rods on the placement shaft to rotate and shift the PS particles.

6. The PS pellet extruder feeding device according to claim 5, characterized in that, The driving mechanism comprises: Rotate the rotating shaft installed on the blanking box and the mounting shell to fix two bevel gears respectively sleeved on the rotating shaft and the placement shaft, and the two bevel gears are meshed with each other; Two second pulleys are respectively fixedly sleeved on the rotating shaft and one of the mounting shafts, and a second belt is sleeved on the two second pulleys.

7. The PS pellet extruder feeding device according to claim 1, characterized in that, One of the screening boxes is provided with a discharge pipe, which is used to discharge the screened PS particles.

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