Quantitative feeding mechanism of plastic granulator

Abstract

The utility model discloses a plastic pelletizer quantitative feeding mechanism which comprises a pelletizer body, a supporting column is arranged on the surface of the pelletizer body, a feeding cylinder is arranged on the inner side of the upper end of the supporting column, a stirring assembly is arranged on the inner side of the feeding cylinder, a connecting pipe is arranged at the bottom end of the feeding cylinder, and a quantitative box is installed at the bottom end of the connecting pipe. A quantifying part is arranged in the quantifying box, and a control panel is arranged at the bottom end of the quantifying box. When a user uses the quantitative feeding device, more time is saved in the material feeding process and efficiency is improved through arrangement of a corresponding structure and arrangement of the gear-shaped quantitative part, the quantitative part can be taken out of the quantitative box at any time to be replaced according to requirements, meanwhile, the stirring assembly on the inner side of the feeding barrel is provided with a stirring scraping rod to clean the feeding barrel, and the stirring efficiency is improved. And the quantifying piece can be taken out at any time to clean the inner side.

Description

Technical Field

[0001] The utility model relates to the field of plastic granulators, and specifically relates to a quantitative feeding mechanism for a plastic granulator. Background Technique

[0002] A plastic granulator is composed of an extrusion system, a transmission system, and a heating and cooling system. Its main function is to use a special screw design and different configurations to be suitable for the recycling and color mixing granulation of various plastics such as PP, PE, PS, ABS, PA, PVC, PC, POM, EVA, LCP, PET, and PMMA. When using a plastic granulator for granulation work, the weight of various plastic raw materials added into the plastic granulator needs to be strictly controlled to ensure the correct proportion of various raw materials and prevent the quality of the processed plastic particles from not meeting the standards due to unbalanced proportions. Therefore, when transporting raw materials to the feeding mechanism of the plastic granulator, a quantitative feeding method is adopted to ensure the normal proportion of raw materials.

[0003] In a Chinese patent, a quantitative feeding mechanism for a plastic granulator is disclosed, with the patent number CN213595449U. In this quantitative feeding mechanism for a plastic granulator, it includes a plastic granulator, a fixed platform, and a quantitative mechanism. A fixed platform is provided on one side of the top of the plastic granulator, and a quantitative mechanism is installed above the fixed platform. The quantitative mechanism includes a driving motor, a rotating disk, through holes, a storage hopper, and a discharge valve. The center of the top of the fixed platform is connected to the driving motor, and the output shaft at the top of the driving motor is connected to the center of the bottom of the rotating disk. The top surface of the rotating disk is circular, and a sliding groove is opened around the center of the top of the rotating disk. Three through holes are opened at the bottom of the sliding groove, and all three through holes penetrate the rotating disk. Three storage hoppers are connected to the bottom of the rotating disk. Through the setting of the quantitative mechanism, when the plastic granulator needs to feed, quantitative feeding can be carried out for the plastic granulator, ensuring the stability of the plastic granulator during use and making its service life longer.

[0004] The above-mentioned disclosed patent has the following disadvantages:

[0005] (1) In the prior art, in the quantitative feeding mechanism, the material can enter the plastic granulator quantitatively through the internally set quantitative mechanism. However, in the existing quantitative method, the rotating disk needs to stop rotating to wait for the discharge pipe to align with the through hole, making the feeding efficiency low during the whole process.

[0006] (2) In the prior art, under different requirements of the plastic granulator, the quantity of each quantitative entry into the inner side of the granulator by the quantitative mechanism is always the same, which may result in the feeding quantity being unable to supply the granulation work of the granulator.

[0007] (3) In the prior art, during the feeding process of a plastic granulator, due to the properties of the material itself, some materials will remain inside the feeding mechanism, making it difficult to clean the inside of the feeding mechanism. The long-term residue will affect the normal feeding of the feeding mechanism. Summary of the Invention

[0008] The technical problem to be solved by the present utility model is to overcome the above technical defects and provide a quantitative feeding mechanism for a plastic granulator.

[0009] To solve the above problems, the present utility model proposes the following technical solutions:

[0010] A quantitative feeding mechanism for a plastic granulator, comprising: a granulator body, on the surface of which support columns are installed;

[0011] A feeding cylinder, which is fixedly connected to the inner side of the upper end of the support column, and a feeding port is provided on the upper surface of the feeding cylinder;

[0012] A stirring assembly, which is located inside the feeding cylinder. The stirring assembly includes a driving motor, a driving rod is installed at the output end of the driving motor, and stirring scraping rods are installed on the surface of the driving rod;

[0013] A connecting pipe, which is fixedly connected to the bottom surface of the feeding cylinder;

[0014] A quantitative box, which is located at the bottom end of the connecting pipe. A stepping motor is installed on one side of the surface of the quantitative box, a rotating rod is installed at the output end of the stepping motor, and a connecting disc is installed at one end of the rotating rod;

[0015] A quantitative member, which is located inside the quantitative box. One end of the quantitative member is fixedly connected with an outer cover, and a first limiting block is installed on the surface of the other end of the quantitative member, and the first limiting block is clamped on the surface of the connecting disc;

[0016] An operation panel, which is located below the quantitative box, and the operation panel is signal-connected to the driving motor and the stepping motor.

[0017] Furthermore, flow equalizing vanes are installed on the surface of the driving rod, and the flow equalizing vanes are of a spiral structure.

[0018] Furthermore, a first limiting ring is installed on the surface of the connecting disc, a fixing ring is installed inside the quantitative box, and a second limiting ring is installed on the surface of the fixing ring. Both the first limiting ring and the second limiting ring are rotatably connected inside the quantitative box.

[0019] Furthermore, clamping rings are installed at both ends of the surface of the outer cover, the clamping rings are fixedly connected to the surface of the quantitative box, the outer cover is clamped inside the clamping rings, and inserting rods are inserted inside the clamping rings, and the inserting rods pass through the outer cover and the clamping rings.

[0020] Further, a rotating member is rotatably connected to the inner side of the outer cover. The rotating member is fixedly connected to one end of the metering member. A connecting ring is installed on the surface of the metering member, and a second limiting block is installed on the surface of the connecting ring. The second limiting block is inserted into the inner side of the fixed ring.

[0021] Compared with the prior art, the beneficial effects achieved by the present utility model are as follows:

[0022] (1) The metering box provided by the present utility model drives the connecting disk to rotate by means of a stepping motor provided on one side through a rotating rod, so that the gear-shaped metering member can rotate, enabling the material to enter the inner side of the groove of the metering member, and performing metering feeding work through rotation, making the entire feeding efficiency higher.

[0023] (2) The metering member provided by the present utility model can be placed inside the metering box through the connection of the insertion rod, enabling it to be connected to the connecting disk. When facing different requirements for metering quantities, it can be taken out from the inside of the metering box through the insertion rod to replace a suitable metering member.

[0024] (3) The stirring and scraping rod driven by a driving motor is provided inside the feeding cylinder of the present utility model, which can scrape the adhered material while stirring, and the metering member that can be taken out at any time makes it more convenient to clean the inside of the metering box. Description of the Drawings

[0025] Figure 1 is a three-dimensional view of a metering feeding mechanism of a plastic granulator of the present utility model.

[0026] Figure 2 is another three-dimensional view of a metering feeding mechanism of a plastic granulator of the present utility model from a different angle.

[0027] Figure 3 is a sectional three-dimensional view of a metering feeding mechanism of a plastic granulator of the present utility model.

[0028] Figure 4 is a metering feeding mechanism of a plastic granulator of the present utility model.

[0029] Figure 5 is a structural diagram of the inside of the metering box of a metering feeding mechanism of a plastic granulator of the present utility model.

[0030] As shown in the figure: 1. Granulator body; 2. Support column; 3. Feeding cylinder; 4. Stirring assembly; 5. Connecting pipe; 6. Quantitative box; 7. Quantitative part; 8. Control panel; 301. Feeding port; 401. Driving motor; 402. Driving rod; 403. Flow equalizing blade; 404. Stirring scraping rod; 601. Stepper motor; 602. Rotating rod; 603. Connecting disk; 631. First limiting ring; 604. Fixed ring; 641. Second limiting ring; 701. Outer cover; 702. Rotating part; 721. Snap ring; 722. Insertion rod; 703. First limiting block; 704. Connecting ring; 705. Second limiting block. Detailed implementation mode

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present invention.

[0032] As Figures 1 to 5 shown, a quantitative feeding mechanism for a plastic granulator includes a granulator body 1. The granulator body 1 supports the feeding cylinder 3 through the support column 2 provided on its surface. The feeding port 301 opened on the upper surface of the feeding cylinder 3 can facilitate the feeding of materials into the feeding cylinder 3 from its inner side. A driving motor 401 is provided for the stirring assembly 4 inside the feeding cylinder 3. The driving rod 402 at its driving output end drives the stirring scraping rod 404 to rotate, so as to stir the inner materials and scrape the materials adhered to the inner wall of the feeding cylinder 3 at the same time. The connecting pipe 5 fixed to the bottom surface of the feeding cylinder 3 is connected to the quantitative box 6, so that the materials inside the feeding cylinder 3 can enter the quantitative box 6 through it. A stepper motor 601 is provided on one side of the surface of the quantitative box 6. The rotating rod 602 at the output end of the stepper motor 601 drives the connecting disk 603 inside the quantitative box 6 to rotate, so as to drive the quantitative part 7 to rotate. The outer cover 701 at one end of the quantitative part 7 facilitates the extraction of the quantitative part 7 from the inside of the quantitative box 6, and a first limiting block 703 is provided on the surface of the other end of the quantitative part 7 to be clamped on the surface of the connecting disk 603 to realize the linkage between the two. The control panel 8 located below the quantitative box 6 is signal-connected to the driving motor 401 and the stepper motor 601, which is convenient for controlling the operation of the two.

[0033] The surface of the driving rod 402 is provided with a spiral-shaped flow equalizing blade 403.

[0034] Through the above technical solution, under the rotation of the driving rod 402, the flow equalizing blade 403 is driven to rotate accordingly, so that the materials inside the feeding cylinder 3 can smoothly enter the inside of the quantitative box 6 through the spiral-shaped flow equalizing blade 403.

[0035] The first limiting ring 631 provided on the surface of the connecting plate 603 and the second limiting ring 641 connected to the surface of the fixed ring 604 inside the metering box 6 both rotate inside the metering box 6.

[0036] Through the above technical solution, under the limitation of the first limiting ring 631 and the second limiting ring 641, the rotation of the connecting plate 603 and the rotation of the fixed ring 604 can be made smoother, so as to ensure that the metering member 7 can rotate stably with the assistance of the two.

[0037] Clamping rings 721 fixed to the surface of the metering box 6 are provided at both ends of the surface of the outer cover 701, so that the outer cover 701 can be clamped inside the clamping rings 721, and a plug rod 722 is inserted through the outer cover 701 inside the clamping rings 721.

[0038] Through the above technical solution, under the limitation of the plug rod 722, the outer cover 701 can be fixed inside the clamping rings 721, and the outer cover 701 further limits the metering member 7.

[0039] A rotating member 702 rotatably connected inside the outer cover 701 is connected to the metering member 7, and a connecting ring 704 on the surface of the metering member 7 is inserted inside the fixed ring 604 through a second limiting block 705 mounted on the surface.

[0040] Through the above technical solution, under the connection of the second limiting block 705, one end of the metering member 7 can be connected to the metering box 6 through the rotating member 702, so as to ensure that the metering member 7 can rotate more stably when rotating.

[0041] When in use, when the user uses the metering feeding mechanism of the plastic granulator, the material to be processed is put into the feeding cylinder 3 through the feeding port 301. Driven by the driving motor 401, the driving rod 402 can drive the flow equalizing blade 403 and the stirring scraping rod 404 to rotate, so that the material can smoothly enter the inside of the metering box 6 through the connecting pipe 5. Under the control of the control panel 8, the stepping motor 601 can drive the connecting plate 603 to rotate through the rotating rod 602, so that the metering member 7 clamped by the first limiting block 703 can rotate, and the material enters the groove by using the tooth-shaped structure on the surface, and then falls inside the granulator body 1 when rotating to the lower part, realizing metering feeding. At the same time, when it is necessary to adjust the feeding quantity subsequently, the plug rod 722 is taken out from the inside of the outer cover 701 and the clamping rings 721, so that the metering member 7 can be taken out through the outer cover 701 for replacement.

[0042] The electrical components appearing in this article are all electrically connected to the external main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer for control. The detailed descriptions of known functions and known components are omitted in the specific implementation manners of the present disclosure. To ensure the compatibility of the device, the operating means adopted are consistent with the parameters of market instruments.

[0043] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

[0044] The above describes the present utility model and its embodiments. Such a description is not restrictive. What is shown in the drawings is only one of the embodiments of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the creation of the present utility model, design similar structural modes and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.

Claims

1. A quantitative feeding mechanism for a plastic granulator, characterized in that ,include: A granulator body (1), wherein a support column (2) is installed on the surface of the granulator body (1); A feed barrel (3), the feed barrel (3) being fixedly connected to the inner side of the upper end of the support column (2), and a feed inlet (301) is provided on the upper surface of the feed barrel (3); A stirring assembly (4), the stirring assembly (4) being located inside the feeding barrel (3), the stirring assembly (4) comprising a driving motor (401), a driving rod (402) being mounted on the output end of the driving motor (401), and a stirring scraper (404) being mounted on the surface of the driving rod (402); A connecting pipe (5), wherein the connecting pipe (5) is fixedly connected to the bottom surface of the feed barrel (3); A quantitative box (6), the quantitative box (6) is located at the bottom end of the connecting tube (5), a stepping motor (601) is installed on one side of the surface of the quantitative box (6), a rotating rod (602) is installed at the output end of the stepping motor (601), and a connecting plate (603) is installed at one end of the rotating rod (602); A quantitative member (7), the quantitative member (7) being located inside the quantitative box (6), one end of the quantitative member (7) being fixedly connected to an outer cover (701), and a limiting block (703) being installed on the surface of the other end of the quantitative member (7), the limiting block (703) being clamped on the surface of the connection plate (603); A control panel (8), wherein the control panel (8) is located below the quantitative box (6), and the control panel (8) is connected to the drive motor (401) and the stepping motor (601) by signals.

2. A quantitative feeding mechanism for a plastic granulator according to claim 1, characterized in that: A flow balancing blade (403) is installed on the surface of the driving rod (402), and the flow balancing blade (403) is a spiral structure.

3. A quantitative feeding mechanism for a plastic granulator according to claim 1, characterized in that: A first limiting ring (631) is installed on the surface of the connection disk (603), a fixing ring (604) is installed on the inner side of the quantitative box (6), a second limiting ring (641) is installed on the surface of the fixing ring (604), and both the first limiting ring (631) and the second limiting ring (641) are rotatably connected to the inner side of the quantitative box (6).

4. A quantitative feeding mechanism for a plastic granulator according to claim 1, characterized in that: Snap rings (721) are installed at both ends of the surface of the outer cover (701); the snap rings (721) are fixedly connected to the surface of the quantitative box (6); the outer cover (701) is snapped onto the inner side of the snap rings (721); an insertion rod (722) is inserted into the inner side of the snap rings (721); and the insertion rod (722) passes through the outer cover (701) and the snap rings (721).

5. A quantitative feeding mechanism for a plastic granulator according to claim 3, characterized in that: A rotating member (702) is rotatably connected to the inner side of the outer cover (701); the rotating member (702) is fixedly connected to one end of the quantitative member (7); a connecting ring (704) is mounted on the surface of the quantitative member (7); a second limit block (705) is mounted on the surface of the connecting ring (704); and the second limit block (705) is plugged into the inner side of the fixed ring (604).

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