CN209955073U

CN209955073U - Hot melt adhesive filter equipment

Info

Publication number: CN209955073U
Application number: CN201920649015.9U
Authority: CN
Inventors: 李建村
Original assignee: Shandong Fuerkang New Material Technology Co Ltd
Current assignee: Shandong Fuerkang New Material Technology Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-01-17
Anticipated expiration: 2029-05-07

Abstract

The utility model discloses a hot melt adhesive filter equipment, hot melt adhesive filter equipment includes: the shell is provided with an accommodating cavity, and a feed inlet and a discharge outlet which are communicated with the accommodating cavity are formed in the shell; the two filter screen frames are arranged in the accommodating cavity at intervals along the direction from the feed port to the discharge port; and at least two filter screens, one the filter screen is installed in one the screen frame, and is close to the aperture of the filtration pore of the filter screen of feed inlet is greater than the aperture of the filtration pore of the filter screen of the discharge gate. The technical scheme of the utility model can promote its filter effect to improve the quality of hot melt adhesive.

Description

Hot melt adhesive filter equipment

Technical Field

The utility model relates to a hot melt adhesive technical field, in particular to hot melt adhesive filter equipment.

Background

The hot melt adhesive is a plastic adhesive, the physical state of which changes along with the change of temperature within a certain range, and the chemical property of which is unchanged, is nontoxic and tasteless, and belongs to an environmental-friendly chemical product.

At present, in the production process of hot melt adhesives, there are some small particles in the adhesive compound due to some unavoidable factors, and the particles can affect the product quality. Usually, the impurities existing in the hot melt adhesive are removed by adopting a filtering device, but the existing filtering device has a too simple structure and a poor filtering effect, so that the quality of the hot melt adhesive is influenced.

The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hot melt adhesive filter equipment aims at promoting its filter effect to improve the quality of hot melt adhesive.

In order to achieve the above object, the utility model provides a hot melt adhesive filter equipment, include: the shell is provided with an accommodating cavity, and a feed inlet and a discharge outlet which are communicated with the accommodating cavity are formed in the shell; the two filter screen frames are arranged in the accommodating cavity at intervals along the direction from the feed port to the discharge port; and at least two filter screens, one the filter screen is installed in one the screen frame, and is close to the aperture of the filtration pore of the filter screen of feed inlet is greater than the aperture of the filtration pore of the filter screen of the discharge gate.

Optionally, the strainer holder includes first go-between, second go-between and a plurality of connecting rod, first go-between detachably connect in the inner wall in holding chamber, the second go-between is located relatively first go-between orientation one side of discharge gate, it is a plurality of the connecting rod is followed the circumference interval distribution in holding chamber, and the one end of each connecting rod connect in first go-between, the other end connect in the second go-between.

Optionally, each connecting rod sets up in the slope, and each the connecting rod is towards the tip of feed inlet is close to the inner wall setting in holding chamber.

Optionally, the strainer is removably mounted to the strainer tray; and/or the outer surface of the shell is also provided with a heating layer.

Optionally, the housing includes a housing and a cover covering the housing, the cover and the housing enclose the accommodating cavity, the feed inlet is provided in the cover, and the discharge outlet is provided in the housing.

Optionally, the lid has still been seted up and has been washd the mouth, hot melt adhesive filter equipment is still including washing the mechanism, wash the structure and wear to locate wash the mouth, and stretch into to the holding intracavity, the outer end of washing the mechanism is used for communicateing the water source.

Optionally, wash the mechanism and include scavenge pipe, control valve and shower nozzle, the scavenge pipe wear to locate wash the mouth, and stretch into to the holding intracavity, the outer end of scavenge pipe is used for communicating the water source, the control valve is located the scavenge pipe is located one side outside the holding chamber, the shower nozzle is located the scavenge pipe is located the tip of holding intracavity.

Optionally, a sealing element is further disposed at a covering position of the cover body and the housing.

Optionally, a limiting groove is formed in an end portion of the housing facing the cover, and the sealing element is mounted in the limiting groove and abuts against the cover.

Optionally, the seal is an annular structure.

The technical scheme of the utility model, the hot melt adhesive filtering device comprises a shell, at least two filter screen frames and at least two filter screens, wherein the shell forms a holding cavity, and the shell is also provided with a feed inlet and a discharge outlet which are communicated with the holding cavity; the two filter screen frames are arranged in the accommodating cavity at intervals along the direction from the feed inlet to the discharge outlet; a filter screen is mounted to a screen frame. And the aperture of the filtering hole of the filter screen adjacent to the feeding hole is larger than that of the filtering hole of the filter screen adjacent to the discharging hole. So setting, the sizing material that flows into the holding intracavity by the feed inlet passes through the filtration operation of a plurality of filter screens in proper order, because its aperture of flow direction of a plurality of filter screens along the sizing material reduces gradually, and not unidimensional impurity is effectively held back to on the filter screen, and final comparatively pure sizing material is flowed by the discharge gate. This hot melt adhesive filter equipment has multiple filterable effect, and the filter effect is better, and the hot melt adhesive quality that finally obtains improves greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of an embodiment of the hot melt adhesive filtration device of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the screen frame of FIG. 1;

fig. 4 is a schematic view of another perspective of the screen frame.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Hot melt adhesive filter equipment	17	Heating layer
10	Outer casing	30	Filter screen frame
				10a	Containing cavity		31	First connecting ring
11	Cover body	33	Second connecting ring
				111	Feed inlet	35	Connecting rod
113	Cleaning mouth	50	Filter screen
				13	Shell body	70	Flushing mechanism
131	Discharge port	71	Cleaning tube
				133	Limiting groove	73	Control valve
15	Sealing element	75	Spray head

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a hot melt adhesive filter equipment 100.

Referring to the drawings, in an embodiment of the hot melt adhesive filter device 100 of the present invention, the hot melt adhesive filter device 100 comprises: the shell 10, the shell 10 forms the holding cavity 10a, the shell 10 also offers feed inlet 111 and discharge gate 131 communicating the holding cavity 10 a; at least two filter screen frames 30, the two filter screen frames 30 are arranged in the accommodating cavity 10a at intervals along the direction from the feed port 111 to the discharge port 131; and at least two filters 50, one filter 50 is installed on one filter rack 30, and the aperture of the filter 50 near the inlet 111 is larger than that of the filter 50 near the outlet 131.

Specifically, the upper portion of the housing 10 is substantially cylindrical, the bottom portion is an arc-shaped bottom portion, and the middle portion thereof is formed with an accommodating chamber 10 a. The feed inlet 111 is generally opened at the upper part of the housing 10 and communicated with the accommodating chamber 10 a; the feed opening is generally formed at a lower portion of the housing 10 and communicates with the receiving chamber 10 a. The heating layer 17 is coated on the outer wall surface of the housing 10, so that the glue material flowing into the accommodating cavity 10a is always in a hot melting state, the probability of generating particles is reduced, and the doped medium is conveniently filtered and removed. The general metal material of strainer holder 30's material, for example can form by the reinforcing bar preparation, the structure is comparatively firm, but the lug weld is in the inner wall in holding chamber 10a, also can connect in the inner wall in holding chamber 10a through the buckle to in the dismantlement slope maintenance operation. The number of the filter screen frames 30 may be two, three, or more than three, and the plurality of filter screen frames 30 are arranged at intervals along the flow direction of the hot melt adhesive. A filter screen 50 is installed to each screen frame 30, and filter screen 50 accessible buckle is fixed, the fix with screw or other fixed mode is fixed in screen frame 30, and along the flow direction of hot melt adhesive, the aperture of filter screen 50 is and reduces in proper order. Typically, the plurality of screen frames 30 are approximately the same size and have a larger aperture than each screen 50. Thus, the strainer tray 30 is easy to manufacture in large quantities. When hot melt adhesive needs to be filtered, the hot melt adhesive is generally conveyed to the feeding hole 111 through a pressure pump and enters the accommodating cavity 10a, impurities are intercepted on the filter screen 50 through the filtering action of the plurality of filter screens 50 in sequence, and pure glue materials flow out from the discharging hole 131. Because the aperture of the filter screens 50 is gradually reduced along the flowing direction of the glue material, the filter effect is better through multiple filtering effects, and impurities in the glue material can be better removed, so that the quality of the hot melt adhesive is greatly improved.

It should be noted that, generally, the hot melt adhesive is delivered into the casing 10 by a pressure pump, and the casing 10 is a pressure-resistant container, so that the adhesive can smoothly flow into the feeding and discharging device.

Therefore, it can be understood that, in the technical solution of the present invention, the hot melt adhesive filtering device 100 comprises a housing 10, at least two screen frames 30 and at least two screens 50, the housing 10 forms an accommodating chamber 10a, and the housing 10 is further provided with a feed port 111 and a discharge port 131 communicating with the accommodating chamber 10 a; the two filter screen frames 30 are arranged in the accommodating cavity 10a at intervals along the direction from the feed port 111 to the discharge port 131; a strainer 50 is installed on a strainer holder 30, and the aperture of the strainer 50 adjacent to the inlet 111 is larger than the aperture of the strainer 50 adjacent to the outlet 131. So setting, the sizing material that flows into in the holding chamber 10a by feed inlet 111 passes through a plurality of filter screens 50's filtration operation in proper order, because its aperture of flow direction of a plurality of filter screens 50 along the sizing material reduces gradually, not unidimensional impurity is effectively held back to filter screen 50 on, and final comparatively pure sizing material is flowed out by discharge gate 131. The hot melt adhesive filtering device 100 has the function of multiple filtration, the filtering effect is good, and the quality of the finally obtained hot melt adhesive is greatly improved.

The strainer holder 30 includes a first connection ring 31, a second connection ring 33 and a plurality of connection rods 35, the first connection ring 31 is detachably connected to the inner wall of the accommodating chamber 10a, the second connection ring 33 is oppositely disposed on one side of the first connection ring 31 facing the discharge hole 131, the plurality of connection rods 35 are circumferentially spaced apart along the accommodating chamber 10a, and one end of each connection rod 35 is connected to the first connection ring 31, and the other end is connected to the second connection ring 33.

Specifically, the first connection ring 31 and the second connection ring 33 are both ring-shaped structures, and the size of the first connection ring 31 is not smaller than that of the second connection ring 33, and the first connection ring 31 is detachably connected to the inner wall of the accommodating cavity 10a, for example, the first connection ring 31 is connected to the inner wall of the accommodating cavity 10a by a snap. The plurality of connecting rods 35 are circumferentially spaced apart from each other, and one end of each connecting rod 35 is connected to the first connecting ring 31, and the other end is connected to the second connecting ring 33, so that the first connecting ring 31, the second connecting ring 33 and the plurality of connecting rods 35 together enclose and form the strainer holder 30 for supporting the strainer 50.

Alternatively, the connecting rod 35 is disposed obliquely, and the end of the connecting rod 35 facing the feeding port 111 is disposed close to the accommodating chamber 10 a.

Specifically, the outline shape of the screen frame 30 is substantially a circular truncated cone, and the connecting rod 35 is obliquely arranged, so that a flow guiding effect can be achieved, and the rubber can smoothly enter the screen 50 for filtering.

In an embodiment of the present invention, the filter screen 50 is detachably installed in the screen frame 30, and the detachable manner can be a snap connection, a screw connection or other reasonable connection. Thus, when the filter screen 50 is seriously blocked, the filter screen 50 can be detached and replaced to ensure the smooth operation of the filtering operation.

Referring to the drawings, the housing 10 includes a casing 13 and a cover 11 covering the casing 13, the cover 11 and the casing 13 enclose to form an accommodating cavity 10a, the feed port 111 is disposed on the cover 11, and the discharge port 131 is disposed on the casing 13. The middle part of the cover body 11 is generally opened at the feeding port 111, and the bottom of the shell body 13 is generally opened at the discharging port 131, so that the rubber material can be ensured to smoothly flow out from the discharging port 131.

In an embodiment of the present invention, the cover 11 has also been provided with a cleaning opening 113, and the hot melt adhesive filtering device 100 further includes a washing mechanism 70, the washing mechanism is disposed through the cleaning opening 113, and part of the washing structure is accommodated in the accommodating cavity 10a, and the outer end of the washing mechanism 70 is used for communicating with a water source. The flushing mechanism 70 is disposed on the cover 11, and can spray the filter screen 50 in the accommodating cavity 10a, especially when the filter screen 50 is slightly blocked, the flushing mechanism 70 can flush the filter screen 50, so as to effectively prevent the filter screen 50 from being blocked by glue or impurities, and ensure that the filtering operation is performed smoothly. If the holes of the screen 50 are clogged more seriously and the flushing mechanism 70 cannot unblock the holes, the screen 50 may be removed to clean the hole or replace the hole with a new one of the screens 50.

Optionally, the washing mechanism 70 includes a washing pipe 71, a control valve 73 and a nozzle 75, the control valve 73 is disposed on one side of the washing pipe 71 outside the accommodating cavity 10a, the nozzle 75 is disposed on an end portion of the washing pipe 71 inside the accommodating cavity 10a, the washing pipe 71 is inserted into the washing opening 113, and an outer end of the washing pipe 71 is used for communicating with a water source.

Generally, the cleaning pipe 71 is inserted into the cleaning opening 113, and has an outer end connected to a water source and an inner end provided with a nozzle 75 for spraying water to the filter 50 to clean the filter 50 to prevent clogging. A transfer pump is typically provided in a conduit communicating with a water source and disposed adjacent to the water source, the transfer pump transferring water from the cleaning tube 71 to the spray head 75 for cleaning the filter screen 50. In addition, a control valve 73 is disposed on the cleaning pipe 71, and the control valve 73 is generally an electromagnetic valve for controlling the water flow or blocking the water flow in the cleaning pipe 71. When it is necessary to clean the screen 50, the control valve 73 is manually opened to allow the water in the cleaning pipe 71 to circulate and be sprayed from the spray head 75 to spray the screen 50. Of course, the control valve 73 may also be electrically connected to the controller to achieve automatic control of the switching operation.

Since the casing 10 is a pressure vessel, a sealing member 15 is further provided at a covering position of the lid 11 and the case 13 in order to ensure the sealing property of the casing 10. Therefore, the rubber material can smoothly flow into the feeding and discharging device, and the filtering operation can be smoothly carried out.

Alternatively, the sealing member 15 may be provided on the cover 11 or the case 13, and the sealing member 15 seals a gap at a covering position between the cover 11 and the case 13. The sealing member 15 may be fixed to the cover 11 or the housing 13 by gluing, injection molding, or other reasonable means.

Referring to fig. 1, in an embodiment of the present invention, a limit groove 133 is formed at an end of the housing 13 facing the cover 11, and the sealing element 15 is installed in the limit groove 133 and abuts against the cover 11.

In this embodiment, the sealing element 15 is disposed on the casing 13, and the upper outer surface of the casing 13 is provided with a limiting groove 133 for limiting and fixing the sealing element 15, so as to ensure the installation stability of the sealing element 15, thereby effectively ensuring the sealing performance of the whole housing 10. Simultaneously, such setting, the operation is comparatively simple and effective, is convenient for change moreover.

Preferably, the sealing member 15 may be an elastic member, such as silicone, rubber or other elastic material. Therefore, no matter the fixing mode of the sealing element 15 is adopted, or the sealing of the sealing element 15 to the gap is waterproof, the interference fit mode can be adopted, and the setting stability and the sealing performance of the sealing element 15 are further improved.

Moreover, it can be understood that, after the hot melt adhesive filtering device 100 is used for a long time, when the gap at the covering position of the cover body 11 and the housing 13 is enlarged due to the loosening and/or abrasion of the structural fit, the sealing member 15 with elasticity still has good sealing performance because the interference fit can be adopted in the earlier stage, that is, the gap at the covering position of the cover body 11 and the housing 13 can still be effectively sealed, and the rubber material can be effectively ensured to smoothly flow into the feeding, discharging and filtering operations. Meanwhile, the replacement frequency of the sealing element 15 is reduced, resources are saved, and the practicability of the hot melt adhesive filtering device 100 is further improved.

Optionally, the seal 15 is of annular configuration. The sealing element 15 with an annular structure can effectively seal the circumferential direction of the shell 10, so that the sealing performance of the whole shell 10 is further ensured, and the rubber material can be effectively ensured to smoothly flow into the feeding, discharging and filtering operations.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A hot melt adhesive filter device, comprising:

the shell is provided with an accommodating cavity, and a feed inlet and a discharge outlet which are communicated with the accommodating cavity are formed in the shell;

the two filter screen frames are arranged in the accommodating cavity at intervals along the direction from the feed port to the discharge port; and

at least two filter screens, one the filter screen install in one the screen frame, and be close to the aperture of the filtration pore of the filter screen of feed inlet is greater than the aperture of the filtration pore of the filter screen of discharge gate.

2. The hot melt adhesive filter apparatus of claim 1, wherein the screen frame includes a first connection ring, a second connection ring and a plurality of connection rods, the first connection ring is detachably connected to the inner wall of the accommodating chamber, the second connection ring is disposed at a side of the first connection ring facing the discharge port, the plurality of connection rods are circumferentially spaced apart along the accommodating chamber, and one end of each connection rod is connected to the first connection ring while the other end is connected to the second connection ring.

3. The hot melt adhesive filter apparatus as recited in claim 2, wherein each of said tie bars is disposed at an angle, and wherein an end of each of said tie bars facing said inlet opening is disposed adjacent an inner wall of said receiving chamber.

4. The hot melt adhesive filter apparatus as recited in claim 1, wherein said filter screen is removably mounted to said filter screen frame; and/or the presence of a gas in the atmosphere,

the outer surface of the shell is also provided with a heating layer.

5. The hot melt adhesive filter device according to any one of claims 1 to 4, wherein said housing comprises a casing and a cover body covering said casing, said cover body and said casing enclosing said housing cavity, said inlet opening being provided in said cover body, said outlet opening being provided in said casing.

6. The hot melt adhesive filter device according to claim 5, wherein said cover body further defines a cleaning opening, said hot melt adhesive filter device further comprises a flushing mechanism, said flushing mechanism is disposed through said cleaning opening and extends into said accommodating chamber, and an outer end of said flushing mechanism is used for communicating with a water source.

7. The hot melt adhesive filter device according to claim 6, wherein said flushing mechanism comprises a cleaning tube, a control valve and a nozzle, said cleaning tube is inserted through said cleaning opening and extends into said accommodating chamber, an outer end of said cleaning tube is used for communicating a water source, said control valve is disposed on a side of said cleaning tube located outside said accommodating chamber, and said nozzle is disposed on an end portion of said cleaning tube located inside said accommodating chamber.

8. The hot melt adhesive filter apparatus of claim 5, wherein a seal is further provided at the location where said cover body is closed with said housing.

9. The hot melt adhesive filter device according to claim 8, wherein a limiting groove is formed in an end portion of the housing facing the cover, and the sealing member is mounted in the limiting groove and abuts against the cover.

10. The hot melt adhesive filter apparatus of claim 8, wherein said seal is an annular structure.