Impurity removal device for plastic straw processing

Abstract

The utility model discloses an impurity removal device for processing a plastic straw, which comprises a positioning seat, an impurity removal device and a driving device, wherein the positioning seat is arranged between a discharge hole of an extruder and a die head; mounting grooves matched with the movable seat and the positioning seat are formed in the upper ends of the movable seat and the positioning seat, the two side walls of each mounting groove are each provided with two first channels connected with a discharge port and a die head of the extruder, the movable seat is provided with second channels corresponding to the first channels, and a filter screen is arranged in each second channel; and the driving mechanism is arranged on the positioning base and connected with the moving base, the driving mechanism drives the moving base to move downwards into the mounting groove to be connected with the positioning base in a sealed mode, and meanwhile the second channel communicates with the two first channels. The utility model provides an impurity removal device for plastic straw processing, which is arranged between an extruder and a die head and is used for filtering a plastic melt entering the die head and blocking impurities in the plastic melt, so that the impurities are prevented from being mixed into the plastic melt entering the die head.

Description

Technical Field

[0001] The utility model relates to the field of plastic product processing. More specifically, the utility model relates to a impurity removing device for plastic straw processing. Background Art

[0002] When processing disposable plastic straws, the plastic raw materials are placed in an extruder, heated, melted, plasticized, and then extruded from the die head to form a shape, and then enter a cooling device for cooling. Since impurities are easily mixed in the plastic raw materials, the impurities will enter the die head and finally remain in the extruded plastic straws, affecting the quality of the final products. In the later stage, in order to remove the plastic straws containing impurities, a special detection device needs to be set up, and after detection, they are packaged. Although the probability of impurities appearing in the finished products can be effectively controlled, the additional detection process prolongs the processing time of the plastic straws and also increases the production cost. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an impurity removing device for plastic straw processing, which is arranged between the extruder and the die head, filters the plastic melt entering the die head, blocks the impurities inside it, and prevents impurities from mixing into the plastic melt entering the die head.

[0004] The technical solution for the utility model to solve the above technical problems is as follows: An impurity removing device for plastic straw processing, comprising:

[0005] A positioning seat, which is arranged between the discharge port of the extruder and the die head;

[0006] A moving seat, the upper end of the positioning seat is provided with a matching installation groove, both side walls of the installation groove are provided with two first channels respectively connected to the discharge port of the extruder and the die head, the moving seat is provided with a second channel corresponding to the first channels, and a filter screen is arranged in the second channel;

[0007] A driving mechanism, which is arranged on the positioning seat and connected to the moving seat, the driving mechanism drives the moving seat to move downward into the installation groove to be hermetically connected to the positioning seat, and at the same time the second channel is communicated with the two first channels.

[0008] Further, in the impurity removing device for plastic straw processing, the moving seat comprises:

[0009] A moving block, whose shape matches the installation groove, the upper end of which is connected to the driving mechanism, and the middle part of the moving block is provided with the second channel;

[0010] A filter plate, the middle part of which is provided with the filter screen, and the filter plate is detachably connected to one end of the moving block close to the die head.

[0011] Further, in the impurity removal device for plastic straw processing, a first positioning groove corresponding to the filter plate is provided on the moving block.

[0012] Further, in the impurity removal device for plastic straw processing, a receiving groove is provided at the lower end of the inner wall of the second channel.

[0013] Further, in the impurity removal device for plastic straw processing, the moving seat further includes:

[0014] A baffle plate, which is detachably connected to one end of the moving block close to the extruder;

[0015] A plurality of flared openings penetrating through the baffle plate and communicating with the second channel are provided on the baffle plate, and the end with a larger opening of the flared opening faces the extruder.

[0016] Further, in the impurity removal device for plastic straw processing, a second positioning groove corresponding to the baffle plate is provided on the moving block.

[0017] Further, in the impurity removal device for plastic straw processing, the driving mechanism includes:

[0018] A bracket, which is arranged on the positioning seat;

[0019] A telescopic cylinder, which is arranged on the bracket, and its telescopic rod is vertically downward and connected to the moving seat.

[0020] The beneficial effects of the present utility model are as follows:

[0021] 1. The impurity removal device of the present utility model is arranged between the extruder and the die head, filters the plastic melt entering the die head, blocks the impurities inside it, and avoids impurities from mixing into the plastic melt entering the die head. Thus, during the plastic straw processing, the probability of impurities in the plastic straw is reduced, and the processing quality and efficiency of the plastic straw are improved.

[0022] 2. In the impurity removal device of the present utility model, the moving seat is driven by the driving mechanism to move up and down, and the accumulated impurities in the impurity removal device are timely cleaned to ensure the effect when the impurity removal device works.

[0023] Other advantages, objectives, and features of the present utility model will be partially reflected by the following description, and partially will also be understood by those skilled in the art through the research and practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic structural diagram of the impurity removal device described in the present utility model;

[0025] Figure 2 Schematic connection diagram between the positioning seat and the moving seat of the present utility model;

[0026] Figure 3 Schematic connection diagram between the moving block and the filter plate of the present utility model;

[0027] Figure 4 Schematic connection diagram between the moving block and the baffle of the present utility model. Specific embodiments

[0028] The following further describes the present utility model in detail with reference to the drawings, so that those skilled in the art can implement it according to the description in the specification.

[0029] It should be noted that in the description of the present utility model, the orientation or positional relationship indicated by the terms "horizontal", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0030] Figure 1 - Figure 2 An impurity removal device for plastic straw processing provided by an embodiment of the present utility model includes:

[0031] A positioning seat 1, which is arranged between the discharge port of the extruder 2 and the die head 3;

[0032] A moving seat 4, an installation groove matching with it is arranged at the upper end of the positioning seat 1. Two first channels 5 respectively connected to the discharge port of the extruder 2 and the die head 3 are arranged on both side walls of the installation groove. A second channel 6 corresponding to the first channel 5 is arranged on the moving seat 4, and a filter screen is arranged in the second channel 6;

[0033] A driving mechanism, which is arranged on the positioning seat 1 and connected to the moving seat 4. The driving mechanism drives the moving seat 4 to move downward into the installation groove to be hermetically connected with the positioning seat 1. At the same time, the second channel 6 is communicated with the two first channels 5.

[0034] In this embodiment, the positioning seat 1 is arranged between the discharge port of the extruder 2 and the die head 3 and fixed to both of them. The driving mechanism drives the moving seat 4 to move downward, so that the moving seat 4 can be embedded in the installation groove of the moving seat 4. At this time, the second channel 6 is communicated with the two first channels 5, so that the plastic melt at the discharge port of the extruder 2 enters the die head 3 through the impurity removal device. During this process, the plastic melt is filtered by the filter screen, and the impurities in the plastic melt are left in the moving seat 4 to prevent them from entering the die head 3. When the impurity removal device needs to be cleaned after being used for a period of time, the driving mechanism drives the moving seat 4 to move upward, so that the moving seat 4 is separated from the positioning seat 1. At this time, the moving seat 4 can be cleaned.

[0035] Preferably, as another embodiment of the present invention, as Figure 2 - Figure 4 shown, the moving seat 4 includes:

[0036] A moving block 7, whose shape matches the installation groove, the upper end of which is connected to the driving mechanism, and the middle part of the moving block 7 is provided with the second channel 6;

[0037] A filter plate 8, the middle part of which is provided with a filter screen, and the filter plate 8 is detachably connected to one end of the moving block 7 close to the die head 3.

[0038] In this embodiment, by detachably connecting the filter plate 8 to the moving block 7, it is convenient to remove the filter plate 8 from the moving block 7 for cleaning. In order to facilitate the connection between the filter plate 8 and the moving block 7, a first positioning groove corresponding to the filter plate 8 is provided on the moving block 7, a plurality of threaded holes are arranged in the first positioning groove, corresponding mounting holes are arranged on the filter plate 8, the filter plate 8 is embedded in the first positioning groove, and bolts are installed in the mounting holes and the corresponding threaded holes, and the bolts are tightened to connect and fix the filter plate 8 and the moving block 7.

[0039] Preferably, as another embodiment of the present invention, a receiving groove 9 is provided at the lower end of the inner wall of the second channel 6.

[0040] In this embodiment, as Figure 2 shown, a receiving groove 9 is provided at the lower end of the inner wall of the second channel 6, and the receiving groove 9 can play a certain role in collecting impurities.

[0041] Preferably, as another embodiment of the present invention, the moving seat 4 further includes:

[0042] A baffle 10, which is detachably connected to one end of the moving block 7 close to the extruder 2;

[0043] A plurality of flare mouths 11 penetrating through the baffle 10 and communicating with the second channel 6 are provided on the baffle 10, and the end with the larger opening of the flare mouth 11 faces the extruder 2.

[0044] In this embodiment, a baffle 10 is provided on the moving block 7, and the plastic melt enters the second channel 6 through a plurality of flared openings 11 on the baffle 10. As Figure 2 shown, the end of the flared opening 11 with a larger opening faces the extruder 2, and the end with a smaller opening extends into the second channel 6. On the premise of ensuring the smooth entry of the plastic melt into the second channel 6, the baffle 10 can reduce the reverse flow of impurities and can play a certain blocking role on the impurities, keeping them in the second channel 6.

[0045] Preferably, as another embodiment of the present invention, a second positioning groove corresponding to the baffle 10 is provided on the moving block 7.

[0046] In this embodiment, in order to facilitate the connection between the baffle 10 and the moving block 7, a second positioning groove corresponding to the baffle 10 is provided on the moving block 7. A plurality of threaded holes are provided in the second positioning groove, and corresponding mounting holes are provided on the baffle 10. The baffle 10 is embedded in the second positioning groove, and bolts are installed in the mounting holes and the corresponding threaded holes. Tightening the bolts can connect and fix the baffle 10 and the moving block 7.

[0047] Preferably, as another embodiment of the present invention, the driving mechanism includes:

[0048] A bracket 12, which is provided on the positioning seat 1;

[0049] A telescopic cylinder 13, which is provided on the bracket 12, and its telescopic rod is vertically downward and connected to the moving seat 4.

[0050] In this embodiment, the moving seat 4 is driven to move up and down by the telescopic cylinder 13.

[0051] Although the embodiments of the present invention have been disclosed as above, it is not limited to the applications listed in the specification and embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the field, additional modifications can be easily made. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present invention is not limited to the specific details and the embodiments shown and described here.

Claims

1. An impurity removal device for plastic straw processing, characterized in that, Comprising: A positioning seat (1), which is arranged between the discharge port of the extruder (2) and the die head (3); A moving seat (4), a mounting groove matching with it is arranged at the upper end of the positioning seat (1), two first channels (5) respectively connected with the discharge port of the extruder (2) and the die head (3) are arranged on both side walls of the mounting groove, a second channel (6) corresponding to the first channel (5) is arranged on the moving seat (4), and a filter screen is arranged in the second channel (6); A driving mechanism, which is arranged on the positioning seat (1) and connected with the moving seat (4), the driving mechanism drives the moving seat (4) to move downward into the mounting groove to be hermetically connected with the positioning seat (1), and at the same time the second channel (6) is communicated with the two first channels (5).

2. The impurity removal device for plastic straw processing according to claim 1, wherein, The moving seat (4) includes: A moving block (7), whose shape matches that of the mounting groove, its upper end is connected with the driving mechanism, and the second channel (6) is arranged in the middle of the moving block (7); A filter plate (8), a filter screen is arranged in the middle of it, and the filter plate (8) is detachably connected with one end of the moving block (7) close to the die head (3).

3. The impurity removal device for plastic straw processing according to claim 2, characterized in that, A first positioning groove corresponding to the filter plate (8) is arranged on the moving block (7).

4. The impurity removal device for plastic straw processing according to claim 2, characterized in that, A receiving groove (9) is arranged at the lower end of the inner wall of the second channel (6).

5. The impurity removal device for plastic straw processing according to claim 2, wherein, The moving seat (4) further includes: A baffle plate (10), which is detachably connected with one end of the moving block (7) close to the extruder (2); A plurality of flared mouths (11) penetrating through it and communicated with the second channel (6) are arranged on the baffle plate (10), and the end with a larger opening of the flared mouth (11) faces the extruder (2).

6. The impurity removal device for plastic straw processing according to claim 5, wherein, A second positioning groove corresponding to the baffle plate (10) is arranged on the moving block (7).

7. An impurity removal device for plastic straw processing according to any one of claims 1-6, characterized in that, The driving mechanism includes: A bracket (12), which is arranged on the positioning seat (1); A telescopic cylinder (13), which is arranged on the bracket (12), and its telescopic rod is arranged vertically downward and connected with the moving seat (4).

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