Reclaimed rubber filtering device
By introducing a piston-driven filter pressure cylinder and metal filter ball structure into the hot melt adhesive filter device, the problems of slow discharge speed and easy clogging in traditional filtration methods are solved, achieving a high-efficiency and easy-to-clean filtration effect.
Patent Information
- Application Number
- CN202520489517.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Traditional hot melt adhesive filtration methods have slow discharge speeds and are prone to clogging. Setting the air pressure too high can break the mesh, making it difficult to achieve efficient filtration.
It adopts a piston push rod drive system inside the filter pressure cylinder, combined with a one-way valve and metal filter ball structure, to achieve negative pressure suction and positive pressure filtration, increase the upper limit of filtration pressure, and is equipped with an easy-to-clean filter element design.
It improves filtration speed and quality, reduces pressure on the feed hose, and the filter element is easy to replace and clean.
Smart Images

Figure CN223814436U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of regenerated rubber filtering device technical field, especially a kind of regenerated rubber filtering device. BACKGROUND
[0002] Hot melt adhesive is a plasticity adhesive, which needs to be filtered after stirring in reaction kettle before use. The traditional hot melt adhesive filtering method is to wrap filter screen at the discharge port. Since the discharge port is small, the discharge speed is generally too slow, and the discharge port is easily blocked once there are too many impurities. In order to speed up the flow rate, pressure should be applied during discharge. With this filtering method, the air pressure can only be set below 0.2MPA, otherwise the screen will be broken.
[0003] Therefore, it is necessary to provide a regenerated rubber filtering device that improves filtering speed and filtering quality. SUMMARY
[0004] The technical problem to be solved by the utility model is to overcome the above problems, and a regenerated rubber filtering device is provided to solve the above problems.
[0005] The utility model solves the technical problem by adopting the following technical scheme:
[0006] A regenerated rubber filtering device includes a filter pressure cylinder. A piston is slidably arranged in the filter pressure cylinder. The upper end of the piston is fixedly connected to a piston push rod. The piston push rod is driven by an electric push rod to realize linear reciprocating mechanical action. A pipe joint is arranged on the lower end side wall of the filter pressure cylinder and communicates with the inside of the filter pressure cylinder. A one-way valve is arranged in the pipe joint. A feeding hose is connected to the pipe joint to allow hot melt adhesive material to be added to the filter pressure cylinder through the feeding hose. A threaded joint filter tip is threadedly connected to the lower end of the filter pressure cylinder. A filter core is arranged in the threaded joint filter tip.
[0007] Preferably, a threaded pipe joint is arranged at the lower end of the filter pressure cylinder to threadedly connect with the threaded joint filter tip.
[0008] Preferably, a stepped hole is arranged in the threaded joint filter tip. A metal filter ball made of metal is arranged in the stepped hole of the threaded joint filter tip. Filter holes are arranged on the metal filter ball at intervals. This facilitates installation and the spherical structure can resist pressure and is not easily deformed, facilitating removal and cleaning.
[0009] Preferably, a tab is symmetrically fixed on the side of the threaded joint filter tip to facilitate manual rotation of the threaded joint filter tip for disassembly and assembly.
[0010] Preferably, a one-way valve is arranged in the threaded pipe joint, the one-way valve in the threaded pipe joint is closed when the piston push rod is pulled up, the one-way valve in the threaded pipe joint is opened under the action of negative pressure, and the hot melt adhesive is sucked into the filter pressure cylinder; after the piston push rod is pressed down under the action of the electric push rod, the one-way valve in the threaded pipe joint is closed, and the one-way valve in the threaded pipe joint is opened, and the hot melt adhesive is filtered through the metal filter ball.
[0011] Preferably, an electric push rod fixing plate is fixedly arranged at the lower end surface of the electric push rod, the electric push rod fixing plate is fixed through bolts, and a filter pressure cylinder fixing plate is fixedly arranged at the lower end surface of the filter pressure cylinder.
[0012] The utility model discloses the advantages and positive effect are: through the filter structure of spherical structure greatly improved the upper limit of filter pressure, effectively improved the filter quality and efficiency, and reduced the pressure of the pipe joint of the feed supply hose of feed supply, in addition, the metal filter ball is convenient to clean and replace. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model is further illustrated below in connection with the drawings and examples.
[0014] Fig. 1 It is the structure schematic drawing of the utility model;
[0015] Fig. 2 It is the structure schematic drawing of the utility model;
[0016] Fig. 3 It is the structure schematic drawing of the utility model. DETAILED DESCRIPTION
[0017] The utility model will be further explained in detail in connection with the drawings. These drawings are all simplified schematic drawings, and only schematically show the basic structure of the utility model, so they only show the components related to the utility model.
[0018] The utility model embodiment will be further explained in detail in connection with the drawings as follows:
[0019] As Figs. 1-3As shown, the reclaimed rubber filtration device of this utility model includes a filtration pressure cylinder 12. A piston is slidably disposed inside the filtration pressure cylinder 12. A piston push rod 13 is fixedly connected to the upper end of the piston. The piston push rod 13 is driven by an electric push rod 10 to achieve linear reciprocating mechanical action. In addition, a pipe joint 19 communicating with the interior is provided on the lower side wall of the filtration pressure cylinder 12. A one-way valve is provided inside the pipe joint 19. A feed hose 20 is connected to the pipe joint 19 so that hot melt adhesive material is added into the filtration pressure cylinder 12 through the feed hose 20. A threaded joint filter nozzle 17 is threadedly connected to the lower end of the filtration pressure cylinder 12. A filter element is disposed inside the threaded joint filter nozzle 17.
[0020] Preferably, the lower end of the filter pressure cylinder 12 is provided with a threaded pipe joint 15 for threaded connection with the threaded joint filter nozzle 17.
[0021] Preferably, the threaded connector filter 17 has a stepped hole, and a metal filter ball 16 made of metal is inserted into the stepped hole of the threaded connector filter 17. The metal filter ball 16 has through filter holes spaced apart, which facilitates installation and the spherical structure is more resistant to pressure and less prone to deformation, and is easy to remove and clean.
[0022] Preferably, a lever 18 is symmetrically fixed on the side of the threaded connector filter 17 to facilitate manual rotation of the threaded connector filter 17 for disassembly and assembly.
[0023] Preferably, a one-way valve is provided in the threaded pipe joint 15. When the piston push rod 13 is pulled upward, the one-way valve in the threaded pipe joint 15 is closed, and the one-way valve in the pipe joint 19 is open. Under negative pressure, the hot melt adhesive is drawn into the filter pressure cylinder 12. When the piston push rod 13 is pressed down by the electric push rod 10, the one-way valve in the pipe joint 19 is closed, and the one-way valve in the threaded pipe joint 15 is open. The hot melt adhesive is filtered through the metal filter ball 16.
[0024] Preferably, an electric push rod fixing plate 11 is fixedly provided on the lower end face of the electric push rod 10, and the electric push rod fixing plate 11 is fixed by bolts. A filter pressure cylinder fixing plate 14 is fixedly provided on the lower end face of the filter pressure cylinder 12, and the filter pressure cylinder fixing plate 14 is fixed by bolts.
[0025] It should be emphasized that the embodiments described in this utility model are illustrative rather than limiting. Therefore, this utility model is not limited to the embodiments described in the specific implementation. Any other implementation methods derived by those skilled in the art based on the technical solutions of this utility model are also within the scope of protection of this utility model.
Claims
1. A recycled rubber filtration device, characterized in that: The filter includes a filter pressure cylinder (12), in which a piston is slidably disposed. The upper end of the piston is fixedly connected to a piston push rod (13), which is driven by an electric push rod (10) to achieve linear reciprocating mechanical action. In addition, a pipe joint (19) communicating with the interior is provided on the lower side wall of the filter pressure cylinder (12). A one-way valve is provided in the pipe joint (19). A feeding hose (20) is connected to the pipe joint (19) so that hot melt adhesive material is added into the filter pressure cylinder (12) through the feeding hose (20). A threaded joint filter nozzle (17) is threadedly connected to the lower end of the filter pressure cylinder (12), and a filter element is provided in the threaded joint filter nozzle (17).
2. The reclaimed rubber filtration device according to claim 1, characterized in that: The lower end of the filter pressure cylinder (12) is provided with a threaded pipe joint (15) for threaded connection with the threaded joint filter nozzle (17).
3. The reclaimed rubber filtration device according to claim 2, characterized in that: The threaded connector filter (17) has a stepped hole inside, and a metal filter ball (16) made of metal is inserted into the stepped hole of the threaded connector filter (17). The metal filter ball (16) has through filter holes spaced apart, which makes it easy to install, and the spherical structure is more resistant to pressure and less prone to deformation, and is easy to remove and clean.
4. A reclaimed rubber filtration device according to claim 3, characterized in that: A lever (18) is symmetrically fixed on the side of the threaded connector filter (17) to facilitate manual rotation of the threaded connector filter (17) for disassembly and assembly.
5. A reclaimed rubber filtration device according to claim 4, characterized in that: A one-way valve is provided inside the threaded pipe joint (15). When the piston push rod (13) is pulled upward, the one-way valve inside the threaded pipe joint (15) is closed, and the one-way valve inside the pipe joint (19) is open. Under the action of negative pressure, the hot melt adhesive is drawn into the filter pressure cylinder (12). When the piston push rod (13) is pressed down under the action of the electric push rod (10), the one-way valve inside the pipe joint (19) is closed, and the one-way valve inside the threaded pipe joint (15) is open. The hot melt adhesive is filtered through the metal filter ball (16).
6. A reclaimed rubber filtration device according to claim 5, characterized in that: An electric push rod fixing plate (11) is fixedly provided on the lower end face of the electric push rod (10), and the electric push rod fixing plate (11) is fixed by bolts. A filter pressure cylinder fixing plate (14) is fixedly provided on the lower end face of the filter pressure cylinder (12), and the filter pressure cylinder fixing plate (14) is fixed by bolts.