Concentrated feeding system for bottle blank injection molding

Abstract

The utility model belongs to the technical field of feeding systems, and particularly relates to a centralized feeding system for bottle blank injection molding. The device comprises an injection molding machine and a loading barrel, a feeding tank is arranged above the injection molding machine, a supporting plate is arranged in the middle of the interior of the feeding tank, limiting blocks are arranged below the supporting plate, two baffles are connected between the limiting blocks in a sliding mode, and a first pin column and a second pin column are arranged on the supporting plate and the baffles respectively; the first pin column and the second pin column are connected with the auxiliary rod, the first guide rod, the second guide rod and the driving rod correspondingly, meanwhile, a first tooth face arranged at one end of the first guide rod is meshed with a second tooth face arranged at one end of the second guide rod, and the outer end of the driving rod is connected with a connecting block and an electric telescopic rod. According to the utility model, external centralized feeding and good mixing in the feeding tank are utilized, so that the metering distribution of fed materials can be ensured, the working procedures are reduced, and the labor capacity of workers is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of feeding systems, and relates to a centralized feeding system for bottle preform injection molding. Background Technique

[0002] Common plastic bottles in life are made by the process of blowing bottle preforms. The previous process was to first melt plastic particles, then obtain bottle preforms through extrusion equipment, and then blow the bottle preforms into plastic bottles. This process has low efficiency. The improved process is to first inject a large number of bottle preforms in an injection mold using an injection molding machine, and then perform blow molding on the bottle preforms.

[0003] When the existing bottle preforms are injection molded, multiple materials need to be mixed and injected before molding. Currently, multiple materials are injected into the injection molding machine through separate loading barrels in batches, which will cause unstable metering and distribution, and at the same time cause cumbersome processes and increase the labor intensity of workers. Therefore, a centralized feeding system for bottle preform injection molding is proposed for the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a centralized feeding system for bottle preform injection molding for the above problems.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A centralized feeding system for bottle preform injection molding includes an injection molding machine and loading barrels. There are multiple loading barrels on one side of the injection molding machine, and a feeding tank is arranged above one side of the injection molding machine. At the same time, a feeding pipe is connected between the feeding tank and the multiple loading barrels. A stirring component is arranged in the feeding tank, and a support plate is arranged below the inner part of the feeding tank. Limiting blocks are arranged on both sides below the support plate, and a baffle is arranged between the limiting blocks. A first pin column and a second pin column are respectively arranged on one side of the support plate and the middle part of the baffle. The other end of the first pin column is respectively inserted into one end of a sub-bar, a first guide rod, a second guide rod and the middle part of a driving rod. At the same time, the other end of the second pin column is respectively inserted into one end of the sub-bar, the first guide rod, the second guide rod and the other end of the driving rod. The outer end of the driving rod is inserted into an adapter block, and an electric telescopic rod is arranged at the outer end of the adapter block. The driving rod and the electric telescopic rod are placed in a housing body, and one side of the housing body is placed on the outer wall of the feeding tank.

[0007] In the above-mentioned centralized feeding system for bottle preform injection molding, the lower part of the feeding tank is fixedly connected by being inserted above one side of the injection molding machine, and the inside of the feeding tank is communicated with the inside of the injection molding machine. The middle part of the feeding tank is fixedly connected with the support plate, and feeding ports are opened in the middle of the feeding tank and the support plate. Both sides of the bottom of the support plate are fixedly connected with limiting blocks, and the two limiting blocks are symmetrical and are arranged outside the feeding port.

[0008] In the above-mentioned centralized feeding system for bottle blank injection molding, a slide portion is opened in the limit block, and the two ends of the sliding connecting baffle are inserted into the slide portion, and the baffle is two pieces. At the same time, the two baffles are merged below the feed port, and the side walls on both sides of the feed tank are respectively opened with a first opening portion and a second opening portion.

[0009] In the above-mentioned centralized feeding system for preform injection molding, the first opening and the second opening are both placed below the support plate, and a baffle is slidably connected between the first opening and the second opening, a plurality of first pins are fixedly connected to one side below the support plate, and there is a spacing between the first pins and the limit block, and the plurality of first pins are in a row.

[0010] In the above-mentioned centralized feeding system for preform injection molding, a plurality of second pins are fixedly connected to the middle portion below the baffle, and the second pins are arranged in a row, and the second pins below the two baffles are symmetrical.

[0011] In the above-mentioned centralized feeding system for bottle blank injection molding, the other end of the first pin is respectively inserted into the rotatably connected auxiliary rod, the first guide rod, and one end of the second guide rod, and the other end of the first pin is inserted into the middle part of the rotatably connected driving rod, and the outer end of the driving rod passes through the first opening.

[0012] In the above-mentioned centralized feeding system for bottle blank injection molding, the other end of the second pin is respectively inserted into the other end of the rotationally connected auxiliary rod, the first guide rod, the second guide rod and the driving rod, and the auxiliary rod, the first guide rod, the second guide rod and the driving rod are respectively placed on two baffles.

[0013] In the above-mentioned centralized feeding system for preform injection molding, one end side of the first guide rod is fixedly connected to the first tooth surface, and one end side of the second guide rod is fixedly connected to the second tooth surface, and the second tooth surface bites the first tooth surface.

[0014] In the above-mentioned centralized feeding system for preform injection molding, the protruding end of the driving rod is inserted into an opening at one end of the rotating connecting block, and the other end of the connecting block is fixedly connected to the electric telescopic rod, and the lower part of the electric telescopic rod is fixedly connected to the inner bottom of the outer shell, and at the same time, one side of the outer shell is fixedly connected to the outer wall of the feed tank.

[0015] In the above-mentioned centralized feeding system for preform injection molding, a one-way valve assembly is provided on the front side of the loading barrel.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] In the utility model, a feed tank is arranged above an injection molding machine, a support plate is arranged in the middle of the feed tank, a limiting block is arranged below the support plate, and two baffle plates are slidably connected between the limiting blocks. A first pin and a second pin are respectively arranged on the support plate and the baffle plate, and the first pin and the second pin are respectively connected to a secondary rod, a first guide rod, a second guide rod and a driving rod. At the same time, a first tooth surface arranged at one end of the first guide rod engages with a second tooth surface arranged at one end of the second guide rod. An adapter block and an electric telescopic rod are connected to the outer end of the driving rod. By using external centralized feeding and mixing well in the feed tank, the metering and distribution of the feed can be guaranteed, the working procedures are reduced, and the labor intensity of workers is reduced.

[0018] Other advantages, objectives and features of the utility model will be partially reflected by the following description and partially understood by those skilled in the art through the research and practice of the utility model. Brief Description of the Drawings

[0019] Figure 1 is the overall schematic diagram of the utility model;

[0020] Figure 2 is the enlarged schematic diagram at A of the utility model;

[0021] Figure 3 is the internal top view schematic diagram of the feed tank of the utility model;

[0022] Figure 4 is the bottom upward view schematic diagram of the feed tank of the utility model;

[0023] Figure 5 is the schematic diagram of the loading bucket of the utility model.

[0024] In the figure: 1. Injection molding machine; 2. Loading bucket; 3. Feed pipe; 4. Feed tank; 401. Feed inlet; 402. First opening part; 403. Second opening part; 5. Stirring assembly; 6. Support plate; 7. Limiting block; 701. Slideway part; 8. Baffle plate; 9. First pin; 10. Second pin; 11. Secondary rod; 12. First guide rod; 1201. First tooth surface; 13. Driving rod; 14. Second guide rod; 1401. Second tooth surface; 15. Electric telescopic rod; 16. Adapter block; 17. Outer housing; 18. Check valve assembly. Detailed Description of the Embodiment

[0025] The utility model will be further described below with reference to the accompanying drawings.

[0026] Such as Figures 1-5As shown in the figure, a centralized feeding system for preform injection molding includes an injection molding machine 1 and a loading barrel 2. There are multiple loading barrels 2 on one side of the injection molding machine 1, and a feeding tank 4 is provided above one side of the injection molding machine 1. Meanwhile, a feeding pipe 3 is connected between the feeding tank 4 and the multiple loading barrels 2. A stirring assembly 5 is provided inside the feeding tank 4, and a support plate 6 is provided below the interior of the feeding tank 4. Limiting blocks 7 are provided on both sides below the support plate 6, and a baffle 8 is provided between the limiting blocks 7. A first pin 9 and a second pin 10 are respectively provided in the middle of one side of the support plate 6 and the baffle 8. The other end of the first pin 9 is respectively inserted into one end of a sub-bar 11, a first guide rod 12, and a second guide rod 14 and the middle of a driving rod 13. Meanwhile, the other end of the second pin 10 is respectively inserted into one end of the sub-bar 11, the first guide rod 12, the second guide rod 14, and the other end of the driving rod 13. The outer end of the driving rod 13 is inserted into an adapter block 16, and an electric telescopic rod 15 is provided at the outer end of the adapter block 16. The driving rod 13 and the electric telescopic rod 15 are placed inside a housing 17, and one side of the housing 17 is placed on the outer wall of the feeding tank 4.

[0027] The feeding tank 4 is fixedly connected below by inserting through the upper side of one side of the injection molding machine 1, and the inside of the feeding tank 4 is communicated with the inside of the injection molding machine 1. The support plate 6 is fixedly connected to the middle of the feeding tank 4, and a feeding port 401 is opened in the middle of both the feeding tank 4 and the support plate 6. Limiting blocks 7 are fixedly connected to both sides of the bottom of the support plate 6, and the two limiting blocks 7 are symmetrical. Meanwhile, the limiting blocks 7 are provided outside the feeding port 401.

[0028] The concentrated material is placed in the feeding tank 4 provided above the injection molding machine 1, and then it enters the injection molding machine 1 through the lower feeding port 401 for work.

[0029] Furthermore, a slideway part 701 is opened in the limiting block 7, and both ends of the baffle 8 are inserted and slidably connected inside the slideway part 701. The baffle 8 is composed of two parts, and the two parts of the baffle 8 are combined below the feeding port 401. First opening parts 402 and second opening parts 403 are respectively opened on both side walls of the feeding tank 4.

[0030] The first opening parts 402 and the second opening parts 403 are provided on both sides of the feeding tank 4. In this way, after the baffle 8 is driven to separate by the lower structure, a part can be moved out from the first opening parts 402 and the second opening parts 403.

[0031] Furthermore, both the first opening parts 402 and the second opening parts 403 are placed below the support plate 6, and the baffle 8 is slidably connected inside the first opening parts 402 and the second opening parts 403. A plurality of first pins 9 are fixedly connected to one side below the support plate 6, and there is a distance between the first pins 9 and the limiting blocks 7. Meanwhile, the plurality of first pins 9 are arranged in a row.

[0032] Furthermore, a plurality of second pins 10 are fixedly connected to the middle below the baffle 8, and the plurality of second pins 10 are arranged in a row. Meanwhile, the second pins 10 below the two baffles 8 are symmetrical.

[0033] Further, the other ends of the first pin columns 9 are respectively inserted into one ends of the rotating connection sub-rods 11, the first guide rods 12, and the second guide rods 14, and the other ends of the first pin columns 9 are inserted into the middle parts of the rotating connection driving rods 13. At the same time, the outer ends of the driving rods 13 penetrate through the first opening parts 402.

[0034] The first pin columns 9 and the second pin columns 10 are respectively arranged on the support plate 6 and the baffle plate 8, and both ends of the first pin columns 9 and the second pin columns 10 are respectively connected to both ends of the sub-rods 11, the first guide rods 12, and the second guide rods 14 and the middle parts of the driving rods 13, so that the sub-rods 11, the first guide rods 12, the second guide rods 14, and the driving rods 13 support the two baffle plates 8, and the two baffle plates 8 can also be combined or separated.

[0035] Further, the other ends of the second pin columns 10 are respectively inserted into the other ends of the rotating connection sub-rods 11, the first guide rods 12, the second guide rods 14, and the driving rods 13, and the sub-rods 11, the first guide rods 12, the second guide rods 14, and the driving rods 13 are respectively arranged on the two baffle plates 8.

[0036] Further, a first tooth surface 1201 is fixedly connected to the side surface of one end of the first guide rod 12, a second tooth surface 1401 is fixedly connected to the side surface of one end of the second guide rod 14, and the second tooth surface 1401 meshes with the first tooth surface 1201.

[0037] Among them, by using the meshing of the first tooth surface 1201 and the second tooth surface 1401, and after the driving rod 13 is driven, the first guide rod 12 and the second guide rod 14 can be combined or separated with the first pin column 9 as the base point.

[0038] Further, the penetrating end of the driving rod 13 is inserted into the opening at one end of the rotating connection connecting block 16, the other end of the connecting block 16 is fixedly connected to the electric telescopic rod 15, the lower part of the electric telescopic rod 15 is fixedly connected to the inner bottom of the outer shell 17, and one side of the outer shell 17 is fixedly connected to the outer side wall of the feeding tank 4.

[0039] After the connecting block 16 and the electric telescopic rod 15 are connected to the outer end of the driving rod 13, starting the electric telescopic rod 15 can push or pull the driving rod 13.

[0040] A one-way valve assembly 18 is arranged on the front surface of the loading bucket 2.

[0041] The one-way valve assembly 18 can be used to adjust the discharge, and can also prevent other materials from entering the loading bucket 2 when passing through this place.

[0042] Working principle:

[0043] Above the injection molding machine 1, there is a feed tank 4. In the middle of the feed tank 4, there is a support plate 6. Below the support plate 6, there are limit blocks 7. Between the limit blocks 7, two baffle plates 8 are slidably connected. In this way, the two baffle plates 8 block the feed inlet 401. On the support plate 6 and the baffle plates 8, there are a first pin 9 and a second pin 10 respectively. The auxiliary rod 11, the first guide rod 12, the second guide rod 14 and the driving rod 13 are connected by using the first pin 9 and the second pin 10 respectively. And the first tooth surface 1201 provided at one end of the first guide rod 12 engages with the second tooth surface 1401 provided at one end of the second guide rod 14. At the outer end of the driving rod 13, an adapter block 16 and an electric telescopic rod 15 are connected. After the prepared material enters the feed tank 4 through the feed pipe 3, the stirring assembly 5 is started to mix the material well. At this time, the two baffle plates 8 are combined. After the material is stirred well, the electric telescopic rod 15 is started, so that the driving rod 13 rotates with the first pin 9 as the base point. At the same time, the second tooth surface 1401 engages with the first tooth surface 1201. In this way, the two baffle plates 8 are separated, and finally enter the injection molding machine 1 through the feed inlet 401.

[0044] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present invention.

[0045] Although terms such as 1, injection molding machine; 2, loading bucket; 3, feed pipe; 4, feed tank; 401, feed inlet; 402, first opening part; 403, second opening part; 5, stirring assembly; 6, support plate; 7, limit block; 701, slideway part; 8, baffle plate; 9, first pin; 10, second pin; 11, auxiliary rod; 12, first guide rod; 1201, first tooth surface; 13, driving rod; 14, second guide rod; 1401, second tooth surface; 15, electric telescopic rod; 16, adapter block; 17, outer housing; 18, one-way valve assembly are used more frequently in this article, the possibility of using other terms is not excluded. Using these terms is only for more conveniently describing and explaining the essence of the present invention. Interpreting them as any kind of additional restriction is contrary to the spirit of the present invention.

Claims

1. A centralized feeding system for bottle preform injection molding, comprising an injection molding machine (1) and a loading barrel (2), characterized in that: On one side of the injection molding machine (1), there are multiple loading barrels (2). Above one side of the injection molding machine (1), there is a feed tank (4). Meanwhile, a feed pipe (3) is connected between the feed tank (4) and the multiple loading barrels (2). A stirring assembly (5) is provided inside the feed tank (4). Below the interior of the feed tank (4), there is a support plate (6). On both sides below the support plate (6), there are limit blocks (7). Between the limit blocks (7), there is a baffle (8). On one side of the support plate (6) and in the middle of the baffle (8), there are a first pin (9) and a second pin (10) respectively. The other end of the first pin (9) is respectively inserted into one end of a sub-bar (11), a first guide rod (12), a second guide rod (14), and the middle of a driving rod (13). Meanwhile, the other end of the second pin (10) is respectively inserted into one end of the sub-bar (11), the first guide rod (12), the second guide rod (14), and the other end of the driving rod (13). The outer end of the driving rod (13) is inserted into an adapter block (16). The outer end of the adapter block (16) is provided with an electric telescopic rod (15). The driving rod (13) and the electric telescopic rod (15) are placed inside a housing (17), and one side of the housing (17) is placed on the outer wall of the feed tank (4).

2. The centralized feeding system for preform injection molding according to claim 1, wherein: Below the upper side of one side of the injection molding machine (1), it is fixedly connected by insertion to the lower part of the feed tank (4), and the inside of the feed tank (4) is in communication with the inside of the injection molding machine (1). In the middle of the feed tank (4), there is a fixedly connected support plate (6). Feed openings (401) are respectively formed in the middle of the feed tank (4) and the support plate (6). On both sides of the bottom of the support plate (6), there are fixedly connected limit blocks (7). The two limit blocks (7) are symmetrical and are arranged outside the feed opening (401).

3. The centralized feeding system for preform injection molding according to claim 2, wherein: A slideway part (701) is formed inside the limit block (7). The two ends of the baffle (8) are inserted and slidably connected inside the slideway part (701). There are two baffle plates (8), and the two baffle plates (8) are combined below the feed opening (401). On both side walls of the feed tank (4), there are respectively a first opening part (402) and a second opening part (403).

4. The centralized feeding system for preform injection molding according to claim 3, wherein: Both the first opening part (402) and the second opening part (403) are located below the support plate (6). The baffle (8) is slidably connected inside the first opening part (402) and the second opening part (403). On one side below the support plate (6), there are fixedly connected multiple first pins (9). There is a distance between the first pins (9) and the limit blocks (7). Meanwhile, the multiple first pins (9) are arranged in a row.

5. The centralized feeding system for preform injection molding according to claim 4, characterized in that: In the middle below the baffle (8), there are fixedly connected multiple second pins (10). The second pins (10) are arranged in a row. Meanwhile, the second pins (10) below the two baffle plates (8) are symmetrical.

6. The centralized feeding system for preform injection molding according to claim 5, characterized in that: The other end of the first pin (9) is respectively inserted and rotatably connected to one end of a sub-bar (11), a first guide rod (12), and a second guide rod (14). The other end of the first pin (9) is inserted and rotatably connected to the middle of a driving rod (13). Meanwhile, the outer end of the driving rod (13) passes through the first opening part (402).

7. The centralized feeding system for preform injection molding according to claim 6, characterized in that: The other ends of the second pin posts (10) are respectively inserted into the inner parts of the other ends of the rotationally connected sub-rods (11), the first guide rods (12), the second guide rods (14) and the driving rods (13), and the sub-rods (11), the first guide rods (12), the second guide rods (14) and the driving rods (13) are respectively placed on two baffles (8).

8. The centralized feeding system for preform injection molding according to claim 7, characterized in that: One side of one end of the first guide rod (12) is fixedly connected with a first tooth surface (1201), one side of one end of the second guide rod (14) is fixedly connected with a second tooth surface (1401), and the second tooth surface (1401) engages with the first tooth surface (1201).

9. The centralized feeding system for preform injection molding according to claim 8, characterized in that: The penetrating end of the driving rod (13) is inserted into the opening at one end of the rotationally connected connecting block (16), the other end of the connecting block (16) is fixedly connected with an electric telescopic rod (15), the electric telescopic rod (15) is fixedly connected with the inner bottom of the outer shell (17) below, and one side of the outer shell (17) is fixedly connected with the outer side wall of the feeding tank (4).

10. The centralized feeding system for preform injection molding according to claim 1, characterized in that: A one-way valve assembly (18) is arranged on the front surface of the loading bucket (2).

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