Raw material metering feeder for light stabilizer production

Abstract

The utility model belongs to the technical field of raw material feeding, and particularly relates to a raw material metering feeder for light stabilizer production, which comprises a support, a bearing component is arranged on the support, a plurality of storage boxes are arranged on the bearing component through weighing components, and a discharging pipe provided with a valve is fixedly mounted at the bottom end of each storage box. A feeding pipe of the reaction kettle is arranged under the group of discharging pipes, and the scraping assembly is used for scraping light stabilizer raw materials attached to the inner surface of the storage box and is arranged in the storage box. According to the light stabilizer production device, by arranging the scraping assembly, residual raw materials attached to the interior of the storage box can be scraped when a light stabilizer is produced, waste of the raw materials can be avoided, in addition, subsequent cleaning operation of workers on the storage box can be facilitated to a certain extent, and convenience is improved.

Description

Technical Field

[0001] This utility model relates to the field of raw material feeding technology, specifically a raw material metering feeder for light stabilizer production. Background Technology

[0002] Light stabilizers are additives that can inhibit or slow down the photoaging of polymer materials. They are mainly used in polymer products such as plastics, rubber, coatings, and synthetic fibers to improve the light resistance and service life of these materials. Currently, in the production of light stabilizers, a raw material metering feeder is usually used to place the raw materials of the light stabilizer into the reaction vessel; the raw material metering feeder is a device used to measure the weight of the raw materials and control the feeding speed.

[0003] However, existing raw material metering feeders may have residual material inside their cavities, which would lead to material waste if not cleaned. Therefore, a raw material metering feeder for light stabilizer production is invented. Utility Model Content

[0004] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0005] A raw material metering and feeding device for light stabilizer production includes a support frame with a bearing assembly, a plurality of storage tanks mounted on the bearing assembly via a weighing assembly, a discharge pipe with a valve fixedly mounted on the bottom of each storage tank, and a feed pipe for a reaction vessel located directly below a set of discharge pipes. The device also includes:

[0006] A scraping assembly for scraping off light stabilizer material adhering to the inner surface of a storage tank, wherein the scraping assembly is located inside the storage tank.

[0007] In a preferred embodiment of the raw material metering and feeding device for light stabilizer production described in this utility model, the supporting component includes:

[0008] A rotating shaft is rotatably connected to the top of the bracket via bearings;

[0009] A circular plate, which is fixedly mounted on the top of the rotating shaft.

[0010] In a preferred embodiment of the raw material metering and feeding device for light stabilizer production described in this utility model, the supporting component further includes:

[0011] The first servo motor is fixedly mounted on the top of the bracket, and the output shaft of the first servo motor is fixedly connected to the rotating shaft.

[0012] An annular plate is fixedly installed on the top of the bracket, and the annular plate is in contact with the circular plate.

[0013] In a preferred embodiment of the raw material metering and feeding device for light stabilizer production described in this utility model, the weighing component includes:

[0014] The first annular plate, wherein a plurality of first annular plates are fixedly installed in a ring arrangement on the top of the circular plate;

[0015] A ring-shaped weight sensor is fixedly mounted on the top of the first ring plate;

[0016] The second annular plate is fixedly installed on the top of the annular weight sensor. A storage box is fixedly installed on the top of the second annular plate, and the bottom end of the feed pipe passes through the second annular plate, the annular weight sensor, and the first annular plate.

[0017] In a preferred embodiment of the raw material metering and feeding device for light stabilizer production described in this utility model, the scraping component includes:

[0018] The first hollow tube is rotatably connected to the top of the storage box via a bearing;

[0019] A second hollow tube is fixedly installed on one side wall of the first hollow tube;

[0020] A first solid rod is slidably connected in a second hollow tube;

[0021] The first scraper is fixedly installed at one end of the first solid rod, and the first scraper is in contact with the inner cavity side wall of the storage box.

[0022] In a preferred embodiment of the raw material metering and feeding device for light stabilizer production described in this utility model, the scraping assembly further includes:

[0023] The third hollow tube is fixedly installed on the other side wall of the first hollow tube;

[0024] A fourth hollow tube, wherein several fourth hollow tubes are fixedly installed at the bottom end of the third hollow tube;

[0025] The second solid rod is slidably connected in the fourth hollow tube;

[0026] The second scraper is fixedly installed at the bottom of the second solid rod, and the second scraper is in contact with the inner cavity side wall of the storage box.

[0027] In a preferred embodiment of the raw material metering and feeding device for light stabilizer production described in this utility model, the scraping assembly further includes:

[0028] The second servo motor is fixedly installed on the top of the storage box;

[0029] The first gear is fixedly mounted on the output shaft of the second servo motor via a connecting shaft;

[0030] The second gear is fixedly mounted on the first hollow tube, and the first gear and the second gear are meshed together.

[0031] In a preferred embodiment of the raw material metering and feeding device for light stabilizer production described in this utility model, the scraping assembly further includes:

[0032] A rigid tube is rotatably connected to the top of the inner cavity of the first hollow tube via a bearing;

[0033] The rigid pipe is equipped with an air inlet pipe with a valve, and one end of the rigid pipe is fixedly connected to the air inlet pipe through a tee connector;

[0034] The exhaust pipe is equipped with a valve, and one end of the rigid pipe is fixedly connected to the exhaust pipe through a tee connector.

[0035] Compared with existing technologies:

[0036] By incorporating a scraping component, residual raw materials adhering to the storage tank can be scraped off during the production of light stabilizers, thereby preventing material waste. In addition, it also facilitates subsequent cleaning operations of the storage tank, improving convenience. Attached Figure Description

[0037] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0038] Figure 2 This is a front view schematic diagram of a partial structure of this utility model;

[0039] Figure 3 This utility model Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0040] Figure 4 This is a front view schematic diagram of a partial structure of the scraping component of this utility model;

[0041] Figure 5 This is a schematic diagram of the support structure of this utility model;

[0042] Figure 6 This is a top view of the circular plate of this utility model;

[0043] Figure 7 This is a schematic diagram of the first scraper structure of this utility model.

[0044] In the diagram: bracket 10, rotating shaft 20, circular plate 21, first servo motor 22, annular plate 23, first annular plate 30, annular weight sensor 31, second annular plate 32, storage box 40, feeding pipe 41, first hollow tube 50, second hollow tube 51, first solid rod 52, first scraper 53, third hollow tube 54, fourth hollow tube 55, second solid rod 56, second scraper 57, second servo motor 58, first gear 59, second gear 591, rigid tube 592, air inlet pipe 593, exhaust pipe 594. Detailed Implementation

[0045] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0046] This utility model provides a raw material metering and feeding device for the production of light stabilizers. Please refer to [link / reference]. Figures 1-7 The system includes a support 10, on which a load-bearing component is mounted. Several storage tanks 40 are mounted on the load-bearing component via a weighing component. A discharge pipe 41 with a valve is fixedly installed at the bottom of each storage tank 40. A battery for powering the valve can be installed on the storage tank 40 according to new requirements. The feed pipe of the reactor is located directly below a set of discharge pipes 41. The material of the support 10 can be iron according to requirements. The dimensions of the discharge pipes 41 and the support 10 can be designed according to the dimensions of the reactor.

[0047] The supporting components include: a rotating shaft 20, a circular plate 21, a first servo motor 22, and an annular plate 23;

[0048] The rotating shaft 20 is rotatably connected to the top of the bracket 10 via a bearing. The circular plate 21 is fixedly installed on the top of the rotating shaft 20. The first servo motor 22 is fixedly installed on the top of the bracket 10, and the output shaft of the first servo motor 22 is fixedly connected to the rotating shaft 20. The annular plate 23 is fixedly installed on the top of the bracket 10, and the annular plate 23 is in contact with the circular plate 21.

[0049] The weighing assembly includes: a first annular plate 30, an annular weight sensor 31, and a second annular plate 32;

[0050] A number of first annular plates 30 are fixedly installed in a ring arrangement on the top of the circular plate 21. An annular weight sensor 31 is fixedly installed on the top of the first annular plate 30. A second annular plate 32 is fixedly installed on the top of the annular weight sensor 31. A storage box 40 is fixedly installed on the top of the second annular plate 32. The bottom end of the feed pipe 41 passes through the second annular plate 32, the annular weight sensor 31 and the first annular plate 30. A battery for powering the annular weight sensor 31 can be provided on the circular plate 21 as needed.

[0051] It also includes: a scraping assembly for scraping off the light stabilizer material adhering to the inner surface of the storage tank 40, and the scraping assembly is disposed in the storage tank 40;

[0052] The scraping assembly includes: a first hollow tube 50, a second hollow tube 51, a first solid rod 52, a first scraper 53, a third hollow tube 54, a fourth hollow tube 55, a second solid rod 56, a second scraper 57, a second servo motor 58, a first gear 59, a second gear 591, a rigid tube 592, an air inlet pipe 593 with a valve thereon, and an exhaust pipe 594 with a valve thereon;

[0053] A first hollow tube 50 is rotatably connected to the top of the storage box 40 via a bearing. Several second hollow tubes 51 are fixedly installed on one side wall of the first hollow tube 50. A first solid rod 52 is slidably connected within the second hollow tubes 51. A sealing ring can be provided between the first solid rod 52 and the second hollow tubes 51 as needed. A first scraper 53 is fixedly installed at one end of the first solid rod 52, and the first scraper 53 contacts the inner wall of the storage box 40. A third hollow tube 54 is fixedly installed on the other side wall of the first hollow tube 50. Several fourth hollow tubes 55 are fixedly installed at the bottom end of the third hollow tube 54. A second solid rod 56 is slidably connected within the fourth hollow tubes 55. A sealing ring can be provided between the second solid rod 56 and the fourth hollow tubes 55 as needed. A second scraper 57 is fixedly installed at the bottom of the second solid rod 56. The second scraper 57 contacts the inner cavity side wall of the storage box 40. The second servo motor 58 is fixedly installed on the top of the storage box 40. A battery for powering the second servo motor 58 can be installed on the storage box 40 according to new requirements. The output shaft of the second servo motor 58 is fixedly installed on the first gear 59 through the connecting shaft. The second gear 591 is fixedly installed on the first hollow tube 50, and the first gear 59 and the second gear 591 are meshed. The top of the inner cavity of the first hollow tube 50 is rotatably connected to the rigid tube 592 through a bearing. The bearing is preferably the bearing in patent CN217736027U. One end of the rigid tube 592 is fixedly connected to the air intake pipe 593 through a three-way connector. The air intake pipe 593 is connected to an external air pump. One end of the rigid tube 592 is fixedly connected to the exhaust pipe 594 through a three-way connector.

[0054] In practical use, the specific operating steps for those skilled in the art are as follows:

[0055] First, move the support 10 to a suitable position, ensuring that the feed pipe of the reactor is located directly below a set of feed pipes 41. Then, place the light stabilizer raw material into the storage tank 40 through the injection pipe located at the top of the storage tank 40. Next, use the first servo motor 22 to position the corresponding storage tank 40 directly above the feed pipe of the reactor. At this point, the light stabilizer raw material in the storage tank 40 can fall into the reactor until the annular weight sensor 31 is within the set value. Thus, the light stabilizer can be controlled. The light stabilizer raw materials are metered and fed. After the raw materials in the storage tank 40 are finished, air is injected into the first hollow tube 50 by an external air pump until the first scraper 53 and the second scraper 57 come into contact with the inner wall of the storage tank 40. At this time, the first scraper 53 and the second scraper 57 are rotated around the first hollow tube 50 by the second servo motor 58. When the first scraper 53 and the second scraper 57 rotate, the light stabilizer raw materials attached to the storage tank 40 are scraped off.

[0056] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A raw material metering and feeding device for light stabilizer production, comprising a support (10), a bearing assembly on the support (10), a plurality of storage tanks (40) on the bearing assembly via a weighing assembly, a discharge pipe (41) with a valve fixedly installed at the bottom end of the storage tank (40), and a feed pipe for a reaction vessel is provided directly below a set of discharge pipes (41), characterized in that, Also include: The scraping assembly is arranged in the storage box (40) and is used for scraping the light stabilizer raw material adhered to the inner surface of the storage box (40).

2. The raw material metering feeder for light stabilizer production according to claim 1, characterized in that, The bearing assembly comprises: A rotating shaft (20) is rotatably connected to the top of the support (10) through a bearing; A circular plate (21) is fixedly installed on the top of the rotating shaft (20).

3. The raw material metering feeder for light stabilizer production according to claim 2, characterized in that, The bearing assembly further comprises: A first servo motor (22) is fixedly installed on the top end of the support (10), and the output shaft of the first servo motor (22) is fixedly connected with the rotating shaft (20); An annular plate (23) is fixedly installed on the top of the support (10) and is in contact with the circular plate (21).

4. The raw material metering feeder for light stabilizer production according to claim 2, characterized in that, The weighing assembly comprises: A plurality of first annular plates (30) are fixedly installed on the top of the circular plate (21) in an annular arrangement; An annular weight sensor (31) is fixedly installed on the top of the first annular plate (30); A second annular plate (32) is fixedly installed on the top of the annular weight sensor (31), the top of the second annular plate (32) is fixedly installed with the storage box (40), and the bottom end of the blanking pipe (41) penetrates through the second annular plate (32), the annular weight sensor (31) and the first annular plate (30).

5. The raw material metering feeder for light stabilizer production according to claim 1, characterized in that, The scraping assembly comprises: A first hollow pipe (50) is rotatably connected to the top end of the storage box (40) through a bearing; A plurality of second hollow pipes (51) are fixedly installed on one side wall of the first hollow pipe (50); A first solid rod (52) is slidingly connected in the second hollow pipe (51); A first scraper (53) is fixedly installed on one end of the first solid rod (52) and is in contact with the inner cavity side wall of the storage box (40).

6. The raw material metering feeder for light stabilizer production according to claim 5, characterized in that, The scraping assembly further comprises: A third hollow pipe (54) is fixedly installed on the other side wall of the first hollow pipe (50); A plurality of fourth hollow pipes (55) are fixedly installed on the bottom end of the third hollow pipe (54); A second solid rod (56) is slidingly connected in the fourth hollow pipe (55); A second scraper (57) is fixedly installed on the bottom of the second solid rod (56) and is in contact with the inner cavity side wall of the storage box (40).

7. The raw material metering feeder for light stabilizer production according to claim 6, characterized in that, The scraping assembly further comprises: A second servo motor (58) is fixedly installed on the top of the storage box (40); A first gear (59) is fixedly installed on the output shaft of the second servo motor (58) through a connecting shaft; A second gear (591) is fixedly installed on the first hollow pipe (50), and the first gear (59) and the second gear (591) are meshingly connected.

8. The raw material metering feeder for light stabilizer production according to claim 7, characterized in that, The scraping assembly further comprises: a hard pipe (592), the inner cavity top end of the first hollow pipe (50) is rotatably connected with the hard pipe (592) through a bearing; an air inlet pipe (593) with a valve, one end of the hard pipe (592) is fixedly connected with the air inlet pipe (593) through a three-way joint; an air outlet pipe (594) with a valve, one end of the hard pipe (592) is fixedly connected with the air outlet pipe (594) through a three-way joint.

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