Melt filtering device with multiple groups of filtering units

Abstract

The utility model discloses a melt filtering device with multiple groups of filtering units, which relates to the technical field of melt filters and comprises a body, a medium melt channel is arranged on the body, and a feed port and a discharge port are respectively arranged on the body corresponding to two ends of the medium melt channel. A plunger A and a plunger B are movably arranged on the body in the radial direction side by side at the positions corresponding to the medium melt channel, a plurality of independent filtering units are arranged on the plunger A and the plunger B at the positions corresponding to the medium melt channel, and a feeding channel and a discharging channel which are connected with the feeding port and the discharging port are formed in the plunger A and the plunger B respectively. The body is provided with a power execution element for driving the plunger A and the plunger B to telescopically move, double-station work and replacement of the plunger A and the plunger B are utilized, it can be ensured that gas cannot enter a melt flow channel, and it is ensured that production is not interrupted in the process of replacing or cleaning a filter element in the production process, the pressure of material flow is stable, and the continuity of produced products is ensured.

Description

Technical Field

[0001] The utility model relates to a melt filter, in particular to a melt filtering device with multiple groups of filtering units. Background Art

[0002] In the process of extrusion production and product molding of polymer materials such as plastics, chemical fibers, rubber, and melt adhesives, the degradation products and impurities that affect the quality of the products in the materials are filtered out through the filtering device. In order to ensure that the production is not interrupted when the filter is replaced or cleaned during the production process under high temperature, high flow, and high filtering accuracy, the continuity of production, the long-term and stability of filtration, the filter can be replaced without stopping the machine, the investment of manpower and material resources can be reduced, and the production efficiency can be improved. A multi-group filter unit melt filtration device is specially designed to solve this problem. Utility Model Content

[0003] The purpose of the utility model is to overcome the problems existing in the prior art and to provide a melt filtering device with multiple filter units. During use, two plunger filter unit assemblies are used to stagger the filter elements. After replacing the new filter elements, the gas in the filter assembly space can be emptied before entering the working position to ensure that the gas does not enter the melt flow channel, thereby ensuring that production is not interrupted during the replacement or cleaning of the filter elements during the production process, and that the material flow pressure is stable and the continuity of the produced products is ensured.

[0004] The utility model is realized through the following technical scheme: a multi-group filter unit melt filtering device, comprising a body, a medium melt channel is opened on the body, a feed port and a discharge port are respectively opened on the body corresponding to the two ends of the medium melt channel, plungers A and plungers B are movably arranged side by side in radial direction at the positions corresponding to the medium melt channel on the body, a plurality of independent filter units are arranged on the plungers A and plungers B at the positions corresponding to the medium melt channel, the plungers A and plungers B are respectively provided with feed and discharge channels connected to the feed port and the discharge port, and a power actuator for driving the plungers A and plungers B to telescopically move is arranged on the body.

[0005] In order to further optimize the utility model, the following technical solutions can be preferably used:

[0006] Preferably, there are two power actuators, which independently control plunger A and plunger B.

[0007] Preferably, the plunger A and plunger B can work simultaneously or individually, and the filter unit can be replaced by pushing and pulling the working position of the filter assembly through the power actuators independently connected to the plungers A and B.

[0008] Preferably, the medium melt channel is an X-shaped double flow channel.

[0009] Preferably, the filter unit includes a filter unit fixing plate and a filter unit body, the filter unit fixing plate is arranged on plungers A and B, the filter unit body is evenly distributed on the filter unit fixing plate along the axial direction of the main body, the filter unit body is hollow in design, and one end opening is connected to the discharge port, a hole is opened on the outer wall of the filter unit body, and a filter net is arranged on the outer wall of the filter unit body corresponding to the opening area.

[0010] Preferably, the filter unit body adopts an independent columnar or conical shape.

[0011] Preferably, a pressure measuring element is provided on the main body at a position corresponding to the inlet side, and a measuring end of the pressure measuring element extends into the medium melt channel.

[0012] Preferably, a heating element for heating the entire device is provided on the main body, and a temperature measuring element is provided on the main body at a position corresponding to the heating element.

[0013] The utility model has the following effects:

[0014] 1. The main body structure adopts a double-plunger "eight"-shaped x-shaped double-flow channel structure design. Each plunger is provided with multiple independent filter units to form an overall filter assembly. The filter work can be done simultaneously or individually by the overall assembly of the filter unit of the double AB plungers. The filter unit can be replaced by pushing and pulling the working position of the filter assembly through the hydraulic power actuator cylinder independently connected to each plunger. When replacing the filter unit, one plunger moves to the replacement position, and the filter unit assembly of the other plunger is still in working condition. The two plunger filter unit assemblies replace the filter element at the wrong time. After replacing the new filter element, the gas in the filter assembly space can be emptied before entering the working position to ensure that the gas does not enter the melt flow channel, and ensure that the production is not interrupted when replacing or cleaning the filter element during the production process, and the material flow pressure is stable and the continuity of the product is produced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the working state of the double plunger;

[0016] Figure 2 It is a schematic diagram of the internal structure of a melt filtration device with multiple groups of filtration units;

[0017] Figure 3 It is a schematic diagram of the structure of the filter unit;

[0018] Figure 4 Push the plunger A to change the filter unit state;

[0019] Figure 5 The plunger A is in the state of priming and exhausting;

[0020] Figure 6 The plunger A is replaced.

[0021] Wherein: 1. pressure measuring hole, 2. main body, 3. filter unit body, 4. filter screen, 5. filter unit fixing plate, 6. lifting ring, 7. plunger A, 8. plunger B, 9. temperature measuring hole, 10. heating element, 11. support rod, 12. fastener, 13. power actuator A, 14. power actuator B. DETAILED DESCRIPTION

[0022] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] like Figure 1-6As shown, a multi-group filter unit melt filtering device includes a body 2, which is the main body of the device; a medium melt channel is provided on the body, wherein the medium melt channel is an eight-shaped x-shaped double flow channel; a feed port and a discharge port are respectively provided at the two ends of the body corresponding to the medium melt channel, and plungers A and plungers B are movably installed side by side along the radial direction at the positions corresponding to the medium melt channels on the body, and multiple independent filter units are installed on plungers A and plungers B at the positions corresponding to the medium melt channels, and plungers A and plungers B are respectively provided with feed and discharge channels connected to the feed port and the discharge port, and a power actuator for driving the extension and extension movement of plungers A and plungers B is installed on the body, wherein the power actuator has two distributions as action actuator A13 and action actuator B14, and plungers A13 and plungers B14 are independently controlled; plungers A and plungers B can work simultaneously or individually, through the motion actuators independently connected on plungers A and plungers B. The force actuator pushes and pulls to switch the working position of the filter assembly to replace the filter unit; the filter unit includes a filter unit fixing plate 5 and a filter unit body 3, the filter unit fixing plate 5 is installed on the plunger A and the plunger B, the filter unit body is evenly installed on the filter unit fixing plate along the axial direction of the body, the filter unit body is hollow in design, and one end opening is connected to the discharge port, a hole is opened on the outer wall of the filter unit body, and a filter screen is installed on the corresponding hole area of ​​the outer wall of the filter unit body; the filter unit body 3 is a filter support for the filter screen; the filter screen 4 is a metal wire mesh group that blocks and filters out objects of a certain size and improves the melt mixing or plasticizing effect; the filter unit body fixing plate 5 is a part for fixing several filter units in order; the plunger A7 is a bearing functional part of the filter unit fixing plate, one end of which is connected to the action actuator A; the plunger B8 is a bearing functional part of the filter unit fixing plate, one end of which is connected to the action actuator B;

[0026] As a preferred embodiment, the filter unit 3 is in an independent columnar or conical shape.

[0027] As a preferred embodiment, a pressure measuring element is installed on the main body at the position corresponding to the inlet side, and the measuring end of the pressure measuring element extends into the medium melt channel; a pressure measuring hole is opened on the main body at the position corresponding to the pressure measuring element, and the pressure measuring hole 1 is a retention hole for installing the pressure measuring element; as a preferred embodiment, a heating element for heating the entire device is installed on the main body, a temperature measuring element is installed on the main body at the position corresponding to the heating element, and a temperature measuring hole is opened on the main body at the position corresponding to the temperature measuring element; the temperature measuring hole 9 is a retention hole for installing the temperature measuring element; the heating element 10 is installed on the upper and lower sides of the main body, and is used to heat the entire device to a certain temperature. In addition, a lifting ring 6 is also installed on the main body for equipment lifting; the support rod 11 in the figure is the middle connecting rigid member of the device; the fastener 12 is a connecting and fastening action actuator; the action actuator A13 and the action actuator B14 provide a reciprocating action output for the reciprocating plate 4. The main body structure adopts a double-plunger "eight"-shaped x-shaped double-flow channel structure design. Each plunger is installed with multiple independent filter units to form an overall filter assembly. The filtering work can be done simultaneously or individually by the overall assembly of the filter unit of the double AB plungers. The filter unit can be replaced by pushing and pulling the working position of the filter assembly through the hydraulic power actuator cylinder independently connected to each plunger. When replacing the filter unit, one plunger moves to the replacement position, and the filter unit assembly of the other plunger is still in working condition. The two plunger filter unit assemblies replace the filter element at the wrong time. After replacing the new filter element, the gas in the filter assembly space can be emptied before entering the working position to ensure that the gas does not enter the melt flow channel, ensuring that the production is not interrupted during the replacement or cleaning of the filter element during the production process, the material flow pressure is stable, and the continuity of the produced products is guaranteed.

[0028] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A melt filtration device with multiple filter units, Features: It includes a main body, which is provided with a medium melt channel, and a feed port and a discharge port are respectively provided at both ends of the main body corresponding to the medium melt channel. Plunger A and plunger B are movably arranged side by side in the radial direction at the position corresponding to the medium melt channel on the main body, and multiple independent filtering units are arranged on the plungers A and B at the positions corresponding to the medium melt channel. The plungers A and B are respectively provided with feed and discharge channels connected to the feed port and the discharge port, and a power actuator for driving the plungers A and B to telescopically move is arranged on the main body.

2. The multi-group filter unit melt filtration device according to claim 1, Features: There are two power actuators, which independently control plunger A and plunger B.

3. The multi-group filter unit melt filtration device according to claim 2, Features: The plunger A and plunger B can work simultaneously or individually, and the filter unit can be replaced by pushing and pulling the working position of the filter assembly through the power actuators independently connected to the plungers A and B.

4. The multi-group filter unit melt filtration device according to claim 1, Features: The medium melt channel is an X-shaped double flow channel.

5. The multi-group filter unit melt filtration device according to claim 1, Features: The filter unit includes a filter unit fixing plate and a filter unit body, wherein the filter unit fixing plate is arranged on plungers A and B, and the filter unit body is evenly distributed on the filter unit fixing plate along the axial direction of the main body. The filter unit body is hollow in design, and one end opening is connected to the discharge port. A hole is opened on the outer wall of the filter unit body, and a filter net is arranged on the outer wall of the filter unit body in the corresponding hole area.

6. The melt filtration device with multiple filter units according to claim 5, Features: The filter unit body adopts an independent columnar or conical shape.

7. The melt filtration device with multiple filter units according to claim 1, Features: A pressure measuring element is arranged on the main body at a position corresponding to the inlet side, and a measuring end of the pressure measuring element extends into the medium melt channel.

8. The multi-group filter unit melt filtration device according to claim 1, Features: The main body is provided with a heating element for heating the entire device, and the main body is provided with a temperature measuring element at a position corresponding to the heating element.

Images