A melt filter device for an injection molding machine

Abstract

The utility model relates to filter device technical field discloses a kind of injection molding machine melt filter devices, including main component, including melt filter, six filter elements are all arranged in melt filter inner wall, chuck is all set on the outer side of filter element, chuck outer side is set with sleeve;Clamping assembly is set to one end of melt filter, including clamping piece, clamping piece includes first clamping disc, two first sliding strips are all fixed on the surface of first clamping disc, first extruding block is all fixed in the one end of first sliding strip, two first clamping blocks are all fixed on the surface of first clamping disc.The utility model has beneficial effect as follows: filter and filter element are installed using clamping mode, and further fastening when device is integrated, can avoid the thread wear problem of bolt connection, facilitate quick dismounting to shorten downtime, reduce cost and improve production efficiency, while guaranteeing connection sealing property and stability.

Description

Technical Field

[0001] This utility model relates to the field of filtration device technology, and in particular to a melt filtration device for injection molding machines. Background Technology

[0002] Injection molding melt is a viscous polymer material melt formed by heating and melting plastic raw materials in an injection molding machine. When the melt contains impurities, high-precision products need to be produced, or recycled materials are used, it needs to be filtered through a melt filter. The core function of this filter is to intercept and remove impurities in the melt, thereby ensuring the purity of the melt, avoiding product appearance or performance defects, preventing equipment blockage or damage, and ensuring the stable operation of the injection molding process.

[0003] To improve filtration efficiency and capacity, melt filters incorporate multiple filter elements to collectively intercept impurities by increasing the filtration area, thus ensuring the purity of the melt. However, the filter elements are usually connected by bolts. When the filter elements become clogged and fail, need to be replaced with filter elements of different precision, or when equipment maintenance and impurity cleaning are required, the repeated disassembly and assembly of the bolts can easily lead to thread wear and stripping. This not only increases the cost of replacing parts but also prolongs equipment downtime due to the time-consuming and laborious disassembly and assembly process, thus affecting production efficiency. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] In view of the problems existing in the above and / or existing injection molding machine melt filtering devices, this utility model is proposed.

[0006] Therefore, the problem that this utility model aims to solve is that it is inconvenient to disassemble and assemble the filter element and the filter.

[0007] To solve the above technical problems, this utility model provides the following technical solution: a melt filtration device for injection molding machines, comprising a main component including a melt filter, wherein the inner wall of the melt filter is provided with six filter elements, and a chuck is sleeved on the outer side of each filter element, and a sleeve is sleeved on the outer side of the chuck. A snap-fit ​​assembly is disposed at one end of the melt filter and includes a snap-fit ​​member. The snap-fit ​​member includes a first snap-fit ​​plate. Two first slide bars are fixed on the surface of the first snap-fit ​​plate. A first pressing block is fixed at one end of each of the first slide bars. Two first snap-fit ​​blocks are fixed on the surface of the first snap-fit ​​plate.

[0008] As a preferred embodiment of the injection molding machine melt filtering device of the present invention, the snap-fit ​​assembly further includes a snap-fit ​​component, the snap-fit ​​component includes a second snap-fit ​​plate, and a filter element is fixed to one end of the second snap-fit ​​plate.

[0009] In a preferred embodiment of the injection molding machine melt filtering device of the present invention, two second sliding strips are fixed on the surface of each of the second clamping plates, and two second clamping blocks are fixed on the surface of each of the second clamping plates.

[0010] In a preferred embodiment of the injection molding machine melt filtering device of the present invention, a second extrusion block is fixed at one end of each of the second slide bars.

[0011] In a preferred embodiment of the injection molding machine melt filtering device of the present invention, the first extrusion block and the second extrusion block are inclined, and there are two of each.

[0012] In a preferred embodiment of the injection molding machine melt filtration device of this utility model, a connecting post is fixed at one end of each filter element.

[0013] In a preferred embodiment of the injection molding machine melt filtering device of the present invention, the snap-fit ​​assembly further includes fasteners, the fasteners include sleeves, and the other end of the sleeves is fixed to one end of the connecting post.

[0014] In a preferred embodiment of the injection molding machine melt filtering device of the present invention, the surface of each ferrule is fixed with a protective ring, and the surface of the ferrule is also fixed with a retaining ring.

[0015] As a preferred embodiment of the injection molding machine melt filtering device of this utility model, wherein: the inner wall of the sleeve is provided with a sliding groove, the inner wall of the sliding groove is provided with a slider, one end of the slider is fixed with a fixed shaft, and the other end of the fixed shaft is fixed with the inner wall of the sleeve.

[0016] In a preferred embodiment of the injection molding machine melt filtering device of the present invention, the chute is an inclined chute.

[0017] The advantages of this utility model are as follows: by using a snap-fit ​​method to install the filter and filter element, and further tightening them when the device is assembled, the problem of thread wear of bolted connections can be avoided, and quick disassembly and assembly can be facilitated to shorten downtime, reduce costs and improve production efficiency, while ensuring connection sealing and stability. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them: Figure 1 This is an overall structural diagram of the melt filtration device for an injection molding machine.

[0019] Figure 2 This is a structural diagram of the filter element in the melt filtration device of an injection molding machine.

[0020] Figure 3 This is a structural diagram of the protective ring of the melt filter device in an injection molding machine.

[0021] Figure 4 This is a structural diagram of the fixed shaft of the melt filtering device for an injection molding machine.

[0022] Figure 5 This is a structural diagram of the first clamping block of the melt filtering device for an injection molding machine.

[0023] Figure 6 This is a structural diagram of the second snap-fit ​​block of the melt filter device for an injection molding machine. Detailed Implementation

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0027] Example 1 Reference Figures 1-6 This is the first embodiment of the present invention. This embodiment provides a melt filter device for injection molding machines. The melt filter device for injection molding machines includes a main body component 1 and a snap-fit ​​component 2. The two work together to facilitate quick assembly and disassembly of the filter element and the melt filter.

[0028] The main component 1 includes a melt filter 11, with six filter elements 12 arranged on the inner wall of the melt filter 11. A chuck 13 is fitted on the outer side of each filter element 12, and a sleeve 14 is fitted on the outer side of the chuck 13.

[0029] The melt filter 11 is a crucial piece of equipment in the processing and production of polymer materials such as plastics and chemical fibers. Its main function is to filter impurities and foreign objects in molten polymer materials to ensure the quality of subsequent products and the stability of the production process. The filter element 12 in the melt filter 11 is the core component for realizing the filtration function. Its main function is to directly intercept and adsorb impurities in molten polymer materials through its own structure and material, ensuring the purity of the melt. The chuck 13 fitted on the bottom outer side of the filter element 12 is used to fix the position of the filter element 12, ensuring that it is installed firmly and reliably in the high temperature and high pressure melt environment, preventing the melt from leaking directly without filtration. The sleeve 14 can provide physical protection for the filter element 12, preventing the filter element 12 from being damaged by external mechanical impact or collision, and also preventing the filter element 12 from deforming due to uneven force, ensuring that its filtration performance is not affected.

[0030] The snap-fit ​​assembly 2 is disposed at one end of the melt filter 11 and includes a snap-fit ​​member 21. The snap-fit ​​member 21 includes a first snap-fit ​​plate 211. Two first slide bars 212 are fixed on the surface of the first snap-fit ​​plate 211. A first pressing block 213 is fixed at one end of each first slide bar 212. Two first snap-fit ​​blocks 214 are fixed on the surface of the first snap-fit ​​plate 211.

[0031] The other end of the first card receiving plate 211 is fixed to one end of the melt filter 11.

[0032] The first retaining plate 211 is used to support the first sliding bar 212 and the first retaining block 214. When it is necessary to install and connect the filter element 12 and the melt filter 11, the filter element 12 is rotated, and the rotation of the filter element 12 can squeeze the first pressing block 213. The first sliding bar 212 is used to support the first pressing block 213. By squeezing the first pressing block 213, the filter element 12 can be connected to the melt filter 11.

[0033] Example 2 Reference Figures 1-6 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0034] Specifically, the snap-fit ​​assembly 2 also includes a snap-fit ​​component 22, which includes a second snap-fit ​​plate 221, and a filter element 12 is fixed to one end of the second snap-fit ​​plate 221.

[0035] By rotating the filter element 12, the second retaining plate 221 rotates, which in turn rotates the second retaining block 223. When the second retaining block 223 rotates, it squeezes the first pressing block 213. At the same time, the second slide bar 222 at the other end also moves to the inner wall of the first retaining block 214 and engages with it. By using the two second retaining blocks 223 and the first retaining block 214 to squeeze and engage the second pressing block 224 and the first pressing block 213 respectively, the connection between the filter element 12 and the melt filter 11 can be completed without falling off. It can only be separated by manually unscrewing.

[0036] Specifically, two second sliding bars 222 are fixed on the surface of the second card receiving plate 221, and two second card receiving blocks 223 are fixed on the surface of the second card receiving plate 221.

[0037] Since the second slide bar 222 supports the second extrusion block 224, the rotation of the filter element 12 can cause the two second slide bars 222 to drive the second extrusion block 224 to be engaged in the inner wall of the first snap-fit ​​block 214.

[0038] Specifically, a second pressing block 224 is fixed to one end of each of the second slide bars 222.

[0039] By pressing the two compression blocks with two snap-fit ​​blocks respectively, the connection between the filter element 12 and the melt filter 11 can be completed.

[0040] Specifically, the first extrusion block 213 and the second extrusion block 224 are inclined, and there are two of each.

[0041] The first pressing block 213 and the second pressing block 224 are inclined so that the two snap-fit ​​blocks can enter their surfaces to press one end of the two pressing blocks, making the snap-fit ​​more secure.

[0042] Example 3 Reference Figure 5 and Figure 6 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0043] Specifically, each filter element 12 has a connecting post 225 fixed at one end.

[0044] The rotation of filter element 12 will drive the connecting column 225 to rotate.

[0045] Specifically, the snap-fit ​​assembly 2 also includes a fastener 23, which includes a retainer 231, the other end of which is fixed to one end of the connecting post 225.

[0046] By inserting the ferrule 231 into the inner wall of the chuck 13, the connection between the bottom of the filter element 12 and the chuck 13 is completed.

[0047] Specifically, a protective ring 232 is fixed to the surface of the card sleeve 231, and a retaining ring 233 is also fixed to the surface of the card sleeve 231.

[0048] By inserting the ferrule 231 into the inner wall of the chuck 13 from the bottom, the chuck 13 will squeeze the retaining ring 233 when it moves. At this time, the retaining ring 233 can easily engage the bottom of the chuck 13, thereby preventing the chuck 13 from falling off. When it is necessary to separate them, the chuck 13 and the filter element 12 can be pulled out directly.

[0049] The protective ring 232 protects the chuck 13, preventing it from forming unnecessary parts during movement, and also provides a fixing function for the chuck 13.

[0050] Specifically, the inner wall of the sleeve 231 is provided with a sliding groove 231-1, and the inner wall of the sliding groove 231-1 is provided with a slider 234. One end of the slider 234 is fixed with a fixing shaft 235, and the other end of the fixing shaft 235 is fixed to the inner wall of the sleeve 14.

[0051] After the melt filter 11 and filter element 12 are snapped together at the top, and the filter element 12 and chuck 13 are installed, when it is necessary to further tighten the filter element 12 and melt filter 11, the melt filter 11, filter element 12 and chuck 13 are placed into the inner wall of sleeve 14. At this time, the ferrule 231 first contacts the fixed shaft 235. The movement of the ferrule 231 drives the slide groove 231-1 to move. The movement of the slide groove 231-1 squeezes the slider 234. At this time, the guide of the slide groove 231-1 will cause the ferrule 231 to rotate. The rotation of the ferrule 231 drives the connecting column 225 to rotate. The rotation of the connecting column 225 can drive the filter element 12 to rotate, so that the filter element 12 drives the two snapping blocks to further squeeze and snap onto the two extrusion blocks, thus preventing them from loosening.

[0052] Specifically, the chute 231-1 is an inclined chute.

[0053] By setting the slide groove 231-1 as an inclined groove, the ferrule 231 can be rotated. In use, when it is necessary to connect the melt filter 11 to the filter element 12, the filter element 12 is rotated. This rotation causes the second clamping plate 221 to rotate, which in turn causes the second clamping block 223 to rotate. The rotation of the second clamping block 223 compresses the first pressing block 213. Simultaneously, the second sliding strip 222 at the other end moves to engage with the inner wall of the first clamping block 214. Through the two second clamping blocks 223 and the first clamping block 214 respectively compressing and engaging the second pressing block 224 and the first pressing block 213, the connection between the filter element 12 and the melt filter 11 is completed. When it is necessary to install the filter element 12 to the chuck 13, the clamping sleeve 231 is inserted into the inner wall of the chuck 13 from the bottom. As the chuck 13 moves, it compresses the retaining ring 233. At this time, the retaining ring 233 facilitates the bottom engagement of the chuck 13, thereby preventing the chuck 13 from falling off, and thus completing the connection between the filter element 12 and the chuck 13. This is achieved by engaging the melt filter 11 and the filter element 12 at the top. After the filter element 12 and the chuck 13 are installed, the melt filter 11, the filter element 12, and the chuck 13 are placed into the inner wall of the sleeve 14. At this time, the retaining sleeve 231 first contacts the fixed shaft 235. The movement of the retaining sleeve 231 drives the slide groove 231-1 to move. The movement of the slide groove 231-1 squeezes the slider 234. At this time, the guide of the slide groove 231-1 causes the retaining sleeve 231 to rotate. The rotation of the retaining sleeve 231 drives the connecting column 225 to rotate. The rotation of the connecting column 225 drives the filter element 12 to rotate, so that the filter element 12 drives the two retaining blocks to further squeeze and engage the two extrusion blocks, thus preventing them from loosening.

[0054] When it is necessary to separate them, simply pull out the chuck 13 and the filter element 12 directly. When the filter element 12 is removed, the ferrule 231 will rotate back to its original position. At this time, the filter element 12 will also rotate. The rotation of the filter element 12 will not cause the two locking blocks and the extrusion block at the top to loosen. When it is necessary to remove the top filter element 12 and the melt filter 11, simply reverse the filter element 12 to drive the two locking blocks and the extrusion block to separate.

[0055] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A melt filtering device for an injection molding machine, characterized in that: include, The main component (1) includes a melt filter (11), the inner wall of which is provided with six filter elements (12), the outer side of which is provided with a chuck (13), and the outer side of which is provided with a sleeve (14). The snap-fit ​​assembly (2) is disposed at one end of the melt filter (11) and includes a snap-fit ​​member (21). The snap-fit ​​member (21) includes a first snap-fit ​​plate (211). Two first slide bars (212) are fixed on the surface of the first snap-fit ​​plate (211). A first pressing block (213) is fixed at one end of each of the first slide bars (212). Two first snap-fit ​​blocks (214) are fixed on the surface of the first snap-fit ​​plate (211).

2. The injection molding machine melt filtering device as described in claim 1, characterized in that: The snap-fit ​​assembly (2) also includes a snap-fit ​​component (22), which includes a second snap-fit ​​plate (221), and a filter element (12) is fixed to one end of the second snap-fit ​​plate (221).

3. The injection molding machine melt filtering device as described in claim 2, characterized in that: Two second slide bars (222) are fixed on the surface of the second card plate (221), and two second card blocks (223) are fixed on the surface of the second card plate (221).

4. The injection molding machine melt filtering device as described in claim 3, characterized in that: The second slide bar (222) has a second pressing block (224) fixed at one end.

5. The injection molding machine melt filtering device as described in claim 4, characterized in that: The first extrusion block (213) and the second extrusion block (224) are inclined, and there are two of each.

6. The injection molding machine melt filtering device as described in claim 5, characterized in that: Each filter element (12) has a connecting post (225) fixed at one end.

7. The injection molding machine melt filtering device as described in claim 6, characterized in that: The snap-fit ​​assembly (2) also includes a fastener (23), which includes a sleeve (231), the other end of which is fixed to one end of the connecting post (225).

8. The injection molding machine melt filtering device as described in claim 7, characterized in that: The surface of each sleeve (231) is fixed with a protective ring (232), and the surface of each sleeve (231) is also fixed with a retaining ring (233).

9. The injection molding machine melt filtering device as described in claim 8, characterized in that: The inner wall of each sleeve (231) is provided with a sliding groove (231-1), and a slider (234) is provided on the inner wall of the sliding groove (231-1). One end of each slider (234) is fixed with a fixing shaft (235), and the other end of each fixing shaft (235) is fixed to the inner wall of the sleeve (14).

10. The injection molding machine melt filtering device as described in claim 9, characterized in that: The groove (231-1) is an inclined groove.

Images