CN213132088U - Filter equipment and slicer - Google Patents
Filter equipment and slicer Download PDFInfo
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- CN213132088U CN213132088U CN201922457162.9U CN201922457162U CN213132088U CN 213132088 U CN213132088 U CN 213132088U CN 201922457162 U CN201922457162 U CN 201922457162U CN 213132088 U CN213132088 U CN 213132088U
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Abstract
The embodiment of the utility model provides a filtering device and a slicing machine, wherein the filtering device comprises a filter screen plate, a filter frame and a confluence disc; the filter screen plate comprises a first filter screen and a first frame, and the first filter screen is fixedly connected with the first frame; the filter frame comprises a second frame and at least one second filter screen, and the second filter screen is fixedly connected with the second frame; the filter screen plate is embedded in the filter frame and is detachably connected with the filter frame; the filter frame with the dish that converges can dismantle the connection, the bottom surface of dish that converges is provided with first opening, the filter frame inlays to be located in the first opening. The utility model discloses filter equipment can effectively solve current filter equipment's subassembly in large quantity, be difficult to the problem of dismantling.
Description
Technical Field
The utility model relates to a solar monocrystalline silicon section technical field especially relates to a filter equipment and slicer.
Background
With the development of photovoltaic power generation technology, monocrystalline silicon wafers, which are one of the basic materials for photovoltaic power generation, have wide market demands. The single crystal silicon wafer is processed by a slicing machine, and thus, in order to meet the market demand of the single crystal silicon wafer, the productivity of the slicing machine must be increased. Cutting fluid is needed in the slicing machine processing process to reduce friction between the cutter and the surface of a workpiece and power consumption, reduce cutting temperature, reduce thermal deformation of the workpiece and the cutter, clean a machine tool, the workpiece and the cutter and the like. Therefore, impurities in the cutting fluid need to be filtered by the cutting fluid backflow filtering system, and the condition of wire mesh disconnection or wire jumping is prevented. It can be seen that the cutting fluid return filtration system is an important component of the microtome.
The existing cutting fluid filtering device comprises a frameless stainless steel filter screen and a plurality of filter screen plates distributed on two sides of the filter screen, wherein two filter screen plates are fixed on the stainless steel filter screen through strong magnet adsorption. When the cutting fluid is filtered, the cutting fluid sequentially passes through the filter screen plate, the stainless steel filter screen, the filter screen plate and the confluence disc. However, the number of components in the filter device is excessive, so that it takes a lot of time to clean the filter device after each time the cutting fluid is filtered, thereby seriously affecting the productivity of the slicer. In addition, the filter screen in the cutting device is difficult to be detached during cleaning, and the overall sealing performance of the cutting device is poor.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a filter equipment and slicer to solve current filter equipment's the too much, be difficult to the problem of dismouting of subassembly quantity.
In order to solve the above problem, the utility model discloses a realize like this:
in a first aspect, an embodiment of the present invention provides a filtering apparatus, which includes a filtering screen plate, a filtering frame, and a converging plate;
the filter screen plate comprises a first filter screen and a first frame, and the first filter screen is fixedly connected with the first frame;
the filter frame comprises a second frame and at least one second filter screen, and the second filter screen is fixedly connected with the second frame;
the filter screen plate is embedded in the filter frame and is detachably connected with the filter frame;
the filter frame with the dish that converges can dismantle the connection, the bottom surface of dish that converges is provided with first opening, the filter frame inlays to be located in the first opening.
Optionally, the second frame comprises a basket frame, and the basket frame is a rectangular parallelepiped frame structure;
the bottom and the side wall of the cuboid frame structure are both fixed with the second filter screen.
Optionally, the second frame further comprises a support frame;
the support frame is fixedly connected with the basket type frame, wherein the support frame is arranged on the surface of at least one second filter screen.
Optionally, a stepped hole is formed in the inner wall of the liquid inlet of the filter frame, a lap joint edge is formed on the outer wall of the liquid inlet of the filter frame, and the shape and size of the stepped hole are matched with those of the filter screen plate;
a first surface of the filter screen plate is flush with the surface of the lapping edge, and a second surface of the filter screen plate is in contact with the stepped hole, wherein the first surface is opposite to the second surface, and filtrate flows from the first surface to the second surface;
the lap joint edge is embedded in the first opening, and the surface of the lap joint edge is flush with the bottom surface of the confluence disc.
Optionally, the edge of the second screen is bent to form a bead, and the basket frame wraps the bead of the second screen.
Optionally, the first frame comprises a rim and a middle frame;
the middle frame is fixedly connected with the side frame;
the frame parcel the side of first filter screen, at least one surface of first filter screen is provided with the center.
Optionally, the confluence disc comprises a bottom surface and a side surface, the bottom surface and the side surface enclose to form a box body structure, the box body structure comprises a second opening, and a plane where the second opening is located and a plane where the bottom surface is located form a first preset angle;
the side surfaces comprise a first side surface, a second side surface and a third side surface which are oppositely arranged, the first side surface is connected between the second side surface and the third side surface, and the height of the second side surface is greater than that of the third side surface;
the first opening is arranged in the area of the bottom surface close to the second side surface.
Optionally, the filter screen plate is connected with the filter frame in a sealing manner through an elastomer, and the filter frame is connected with the confluence disc in a sealing manner through an elastomer.
Optionally, at least one of the first frame, the second frame and the confluence plate is fixed with a handle.
In a second aspect, the present invention provides a slicer, which includes the aforementioned filtering device.
The embodiment of the utility model provides an in, filter plate inlays and locates in the filter frame, and the bottom surface of converging the dish is provided with first opening, and the filter frame inlays and locates in the first opening. Filtrate flows into the confluence disc in a confluence mode and then is filtered by the first filter screen in the filter screen plate and the second filter screen in the filter frame in a double-layer mode, and therefore the filtering function is achieved. Including second frame and at least one second filter screen in the filter frame, compare traditional scheme, the embodiment of the utility model provides a plurality of second filter screens of filter frame integrateable to, can reduce the quantity of subassembly in the filter equipment under the prerequisite that does not reduce filter equipment's filtering quality. Moreover, the filter screen plate is detachably connected with the filter frame, and the filter frame is detachably connected with the confluence disc, so that the assembly and disassembly among the assemblies are facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and 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 these drawings without inventive labor.
Fig. 1 shows a schematic structural view of a filter device according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of a second frame according to an embodiment of the present invention;
FIG. 3 shows a cross-sectional view taken along the line A-A in FIG. 2;
fig. 4 is a schematic structural view of a confluence plate according to an embodiment of the present invention;
fig. 5 shows a side view along the direction B in fig. 4.
Description of reference numerals:
11-screen plate, 111-first screen, 112-first frame, 1121-frame, 1122-middle frame, 12-screen frame, 113-first surface, 121-second frame, 1211-basket frame, 1212-support frame, 122-second screen, 123-step hole, 124-lap edge, 13-confluence disc, 131-first opening, 132-bottom surface, 133-side surface, 1331-first side surface, 1332-second side surface, 1333-third side surface, 134-second opening, 14-handle.
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 some, not all, of the embodiments of the present invention. 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 appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Referring to fig. 1, a structural schematic of a filtering apparatus according to an embodiment of the present invention is shown, which may specifically include the following structure: the filter screen plate 11, the filter frame 12 and the confluence disc 13;
the screen plate 11 comprises a first screen 111 and a first frame 112, and the first screen 111 is fixedly connected with the first frame 112;
the filter frame 12 comprises a second frame 121 and at least one second filter screen 122, wherein the second filter screen 122 is fixedly connected with the second frame 121;
the filter screen plate 11 is embedded in the filter frame 12 and is detachably connected with the filter frame 12;
the filter frame 12 and the disc 13 that converges can dismantle the connection, the bottom surface of disc 13 that converges is provided with first opening 131, the filter frame 12 inlays to be located in the first opening 131.
Specifically, the filter device includes a screen plate 11, a filter frame 12, and a confluence plate 13. As shown in fig. 1, the screen plate 11 includes a first screen 111 and a first frame 112, and the first screen 111 is fixedly connected to the first frame 112, for example, by welding or clamping. The first filter screen 111 is used for filtering impurities in the liquid, wherein the first filter screen can be 80 meshes in specification, and in order to prevent the impurities from being corroded by the filtrate, the first filter screen and the first frame can be made of stainless steel materials or galvanized materials which are not easy to corrode, so that the service lives of the filter screen and the frame can be prolonged. The filter frame 12 includes a second frame 121 and at least one second filter screen 122, the second filter screen 122 is fixedly connected with the second frame 121, so that the second filter screen 122 and the second frame 121 form an integral structure, and the second filter screen 122 and the second frame 121 are not detachable during the use of the filter frame 12. It can be understood that the number of the second filter screens 122 in the filter frame 12 can be one, two or more, and the filter frame 12 can integrate a plurality of second filter screens 122 into an integrated structure, compare with the conventional scheme, the embodiment of the present invention provides a filter device which can effectively reduce the number of components on the premise of ensuring the filtering performance. Of course, the material of the second filter screen 122 may be the same as the first filter screen 111, and the embodiment of the present invention does not limit the specification, material, size, and other parameters of the first filter screen 111 and the second filter screen 122.
The filter screen plate 11 is embedded in the filter frame 12 and detachably connected with the filter frame 12, for example, clamped; the bottom surface of the disc 13 that converges is provided with first opening 131, and filter frame 12 inlays and locates in first opening 131 to can dismantle with disc 13 that converges and be connected, for example, the joint. Therefore, the embodiment of the utility model provides an in between the subassembly can install easily or dismantle, can effectively solve the problem that the subassembly is difficult to the dismantlement among the current filter equipment. It is understood that the structure of the filter frame 12 includes an opening for embedding the filter screen plate 11, at least one of the remaining surfaces is the second filter screen 122, and the projection of the side wall of the filter frame 12 along the depth direction of the filter frame 12 may be a circle or a polygon. The embodiment of the present invention does not specifically limit the structure of the second frame 121, and those skilled in the art can set the specific structure of the second frame 121 according to actual situations.
The embodiment of the utility model provides an in, filter plate inlays and locates in the filter frame, and the bottom surface of converging the dish is provided with first opening, and the filter frame inlays and locates in the first opening. Filtrate flows into the confluence disc in a confluence mode and then is filtered by the first filter screen in the filter screen plate and the second filter screen in the filter frame in a double-layer mode, and therefore the filtering function is achieved. Including second frame and at least one second filter screen in the filter frame, compare traditional scheme, the embodiment of the utility model provides a plurality of second filter screens of filter frame integrateable to, can reduce the quantity of subassembly in the filter equipment under the prerequisite that does not reduce filter equipment's filtering quality. Moreover, the filter screen plate is detachably connected with the filter frame, and the filter frame is detachably connected with the confluence disc, so that the assembly and disassembly among the assemblies are facilitated.
Optionally, referring to fig. 2, the second frame 121 includes a basket frame 1211, where the basket frame 1211 has a rectangular parallelepiped frame structure;
the second filter screen 122 is fixed to the bottom and the side wall of the rectangular frame structure.
Specifically, as shown in fig. 2, the second frame 121 includes a basket frame 1211, the basket frame 1211 is a rectangular parallelepiped frame structure, and the second screen 122 is fixed on the bottom and the side wall of the rectangular parallelepiped frame structure. The filter screen plate 11 is embedded in the filter frame 12, and the filtrate enters the filter frame 12 after being filtered by the filter screen plate 11 and flows out after being filtered by the second filter screen 122. Because the embodiment of the utility model provides an in, cuboid frame construction's bottom and lateral wall all are fixed with second filter screen 122, can increase the filter area of filter frame 12 to can increase the flow of filtration of allowwing in the unit interval, can increase filter equipment's filtration efficiency. Meanwhile, the second frame 121 can integrate a plurality of second filter screens 122 into one structure, so that the number of scattered components in the filtering device can be effectively reduced, and the device can be conveniently disassembled, assembled and cleaned.
Optionally, referring to fig. 2, the second frame 121 further includes a supporting frame 1212;
the support frame 1212 is fixedly connected to the basket frame 1211, wherein the support frame 1212 is disposed on a surface of at least one of the second screens 122.
Specifically, as shown in fig. 2, the second frame 121 further includes a support frame 1212, and the support frame 1212 is fixedly connected to the basket-type frame 1211, for example, by welding or by an integral structure. The surface of the at least one second filter screen 122 is provided with a support frame 1212, and the support frame 1212 is provided on the surface of the second filter screen 122, so that the second filter screen 122 can be supported when liquid is filtered, and the impact resistance of the second filter screen 122 is increased, thereby preventing the second filter screen 122 from being damaged by liquid impact. Thus, the service life of the second screen 122 can be increased. Of course, the supporting frame 1212 may be disposed on either side of the second filter screen 122, or on both sides of the second filter screen 122, and when the supporting frame 1212 is disposed on a single side and located inside the filter frame 12, the supporting frame 1212 needs to be fixedly connected to the second filter screen 122.
Optionally, referring to fig. 2 and 3, a stepped hole 123 is formed in an inner wall of the liquid inlet of the filter frame 12, an overlapping edge 124 is formed in an outer wall of the liquid inlet of the filter frame 12, and the shape and size of the stepped hole 123 are matched with those of the filter screen plate 11;
a first surface 113 of the screen plate 11 is flush with the surface of the lapping edge 124, and a second surface of the screen plate 11 is in contact with the stepped hole 123, wherein the first surface 113 is opposite to the second surface, and filtrate flows from the first surface 113 to the second surface;
the overlapping edge 124 is embedded in the first opening 131, and the surface of the overlapping edge 124 is flush with the bottom surface of the confluence disc 13.
Specifically, as shown in fig. 2, the inner wall of the liquid inlet of the filter frame 12 is provided with a stepped hole 123. The shape and size of the stepped hole 123 are matched with those of the filter screen plate 11, and the stepped hole 123 with the matched shape and size can be clamped with the filter screen plate 11. As shown in fig. 3, the screen plate 11 is embedded in the stepped hole 123, so that the screen plate 11 and the filter frame 12 are detachably connected. Certainly, the contact area between the filter screen plate 11 and the stepped hole 123 may be filled with a sealing ring, and the sealing ring may realize interference fit between the filter screen plate 11 and the stepped hole 123, so as to increase the clamping stability between the filter screen plate 11 and the filter frame 12, increase the sealing performance between the filter screen plate 11 and the filter frame 12, and prevent unfiltered liquid from permeating into the filter frame 12 from the gap between the filter screen plate 11 and the stepped hole 123.
As shown in fig. 3, the outer wall of the liquid inlet of the filter frame 12 is provided with a lapping edge 124, the filter screen plate 11 comprises a first surface 113 and a second surface, the first surface 113 of the filter screen plate 11 is flush with the surface of the lapping edge 124, and the second surface of the filter screen plate 11 is in contact with the stepped hole 123. Wherein the first surface 113 is opposite to the second surface, and filtrate flows from the first surface 113 to the second surface. It will be appreciated that some of the impurities in the filtrate adhere to the first surface 113 and the filtered filtrate flows out of the second surface of the screen plate 11. The filtrate flowing out of the second surface of the screen plate 11 enters the filter frame 12 through the liquid inlet, and then flows out of the second screen 122 of the filter frame 12, and the second screen 122 can further block impurities in the filtrate.
The overlapping edge 124 is embedded in the first opening 131, of course, the inner wall of the first opening 131 may also be provided with a step hole structure, and the overlapping edge 124 is clamped with the step hole of the first opening 131, so as to detachably connect the filter frame 12 with the confluence disc 13. Wherein, the first surface 113 of filter plate 11 flushes along the surface of 123 with the overlap joint, and the overlap joint is along the surface of 123 and the bottom surface of converging dish 13 flushes, can guarantee the planarization of the bottom surface of converging dish 13 after the assembly, more is favorable to promoting filter equipment's filtration efficiency.
Optionally, the edge of the second screen 122 is bent to form a bead, and the basket frame 1211 wraps around the bead of the second screen 122.
Specifically, the edge of the second screen 122 is bent to form a curled edge, and the basket frame 1211 wraps the curled edge of the second screen 122, so as to prevent the second screen 122 from being scratched due to the exposed side edge. The bent edges of the second screen 122 are wrapped within the basket 1211 to increase the surface integrity of the filter frame 12.
Optionally, referring to fig. 1, the first frame 112 includes a frame 1121 and a frame 1122;
the middle frame 1122 is fixedly connected with the frame 1121;
the frame 1121 wraps the side of the first filter screen 111, and at least one surface of the first filter screen 111 is provided with the middle frame 1122.
Specifically, as shown in fig. 1, the first frame 112 includes a frame 1121 and a middle frame 1122, the middle frame 1122 is fixedly connected to the frame 1121, and the frame 1121 wraps the side of the first filter screen 111, so as to prevent the edge of the first filter screen 111 from being exposed to cause a scratch, and to increase the structural integrity of the filter screen plate 11. At least one surface of the first screen 111 is provided with a middle frame 1122, and the middle frame 1122 can be used for supporting the first screen 111 to increase the shock resistance of the first screen 111, so that the first screen 111 can be prevented from being damaged by the impact of the filtrate. Therefore, the service life of the first screen 111 can be increased. Of course, the middle frame 1122 may be disposed on any side of the first filter screen 111, or on both sides of the first filter screen 111, and when the middle frame 1122 is disposed on a single side and is located on a side of the first filter screen 111 that contacts the filtrate first, the middle frame 1122 and the first filter screen 111 need to be fixedly connected.
Optionally, referring to fig. 4 and 5, the confluence plate 13 includes a bottom surface 132 and a side surface 133, the bottom surface 132 and the side surface 133 enclose a box structure, the box structure includes a second opening 134, and a plane of the second opening 134 and a plane of the bottom surface 132 form a first preset angle α;
the side surface 133 comprises a first side surface 1331, and a second side surface 1332 and a third side surface 1333 which are oppositely arranged, wherein the first side surface 1331 is connected between the second side surface 1332 and the third side surface 1333, and the height of the second side surface 1332 is greater than that of the third side surface 1333;
the first opening 131 is disposed on the bottom surface 132 near the second side surface 1332.
Specifically, as shown in fig. 4, the manifold 13 includes a bottom surface 132 and a side surface 133, and the bottom surface 132 and the side surface 133 enclose a box structure, which includes a second opening 134. Wherein the side 133 includes a first side 1331, and a second side 1332 and a third side 1333 that are disposed opposite to each other, as shown in fig. 4, the first side 1331 is connected between the second side 1332 and the third side 1333, and the height of the second side 1332 is greater than that of the third side 1333. Thus, the plane of the second opening 134 makes a first predetermined angle α with the plane of the bottom surface 132, as shown in fig. 5. The first opening 131 is disposed in a region of the bottom 132 close to the second side 1332, and because a certain inclination angle is generated between the bottom 132 and a plane of the second opening 134, when the filtrate flows into the confluence disc 13, the filtrate flows into the filter screen plate 11 in the first opening 131 along the inclined bottom 132, and then enters the filter frame 12 through the filter screen plate 11, thereby implementing double-layer filtration of the liquid. The inclined bottom surface 132 not only facilitates the smooth entering of the filtrate into the filter screen plate 11, but also increases the volume of the confluence disc 13, thereby avoiding the overflow of the unfiltered liquid.
Optionally, the filter screen plate 11 and the filter frame 12 are hermetically connected through an elastomer, and the filter frame 12 and the confluence disc 13 are hermetically connected through an elastomer.
Specifically, the filter screen plate 11 and the filter frame 12 are hermetically connected by an elastic body, and the filter frame 12 and the confluence plate 13 are hermetically connected by an elastic body, for example, a rubber strip or the like. Through elastomer sealing connection, can increase between filter screen board 11 and the filter frame 12, the leakproofness between filter frame 12 and the dish 13 that converges prevents that unfiltered liquid from flowing out from the subassembly clearance. Therefore, the problem of poor sealing performance of the conventional filtering device can be effectively solved.
Optionally, referring to fig. 1, a handle 14 is fixed to at least one of the first frame 112, the second frame 121, and the confluence plate 13.
Specifically, the handle 14 is fixed to at least one of the first frame 112, the second frame 121, and the bus bar 13. Fig. 1 shows a case that the handles 14 are disposed on the first frame 112, the second frame 121, and the confluence disc 13, and the handles 14 may make the first frame 112, the second frame 121, or the confluence disc 13 easy to take out during disassembly, which may increase the easy disassembly performance of the assembly to some extent. Of course, the handle 14 may be integrated with the assembly, so as to avoid the problem that the assembly is difficult to take out due to unstable assembly of the handle 14 and the assembly during disassembly. Fig. 1 shows an illustration that the handle 14 is a rectangular handle, of course, the handle 14 may also be a structure in which one end is fixed to the assembly and the other end is bent, the embodiment of the present invention does not limit parameters such as shape and specification of the handle 14, and those skilled in the art can set the shape and specification of the handle 14 according to actual requirements.
The embodiment of the utility model provides a still provide a slicer, the slicer includes aforementioned filter equipment.
Specifically, the slicing machine is mainly used for cutting a monocrystalline silicon wafer, and if a cutting fluid is required in the slicing machine, the cutting fluid can clean a machine tool, reduce the cutting temperature of a cutter, and the like, the cutting fluid needs to be filtered by a cutting fluid reflux filtering system to filter impurities in the cutting fluid. The embodiment of the utility model provides an in the slicer include aforementioned filter equipment, during cutting fluid converges and gets into converge dish 13, through filter plate 11 and filter frame 12's double-deck recycle after filtering. After filter equipment filtered the cutting fluid, remaining impurity need wash on the filter equipment, the embodiment of the utility model provides an in filter equipment's subassembly is small in quantity, and easily dismouting, be favorable to reducing the time of wasing the process to can increase the work efficiency of slicer. Moreover, the first frame 112 can wrap the side of the first filter screen 111, and the second frame 121 can wrap the side of the second filter screen 122, so that the situation that people scratch the filter screen due to the exposed edge of the filter screen can be effectively prevented in the cleaning process. In addition, sealing washer or rubber strip can be used when connecting between the subassembly, can increase the sealing performance between the subassembly, prevent that unfiltered cutting fluid from flowing out from the fit-up gap to filter equipment's filtration performance can be promoted.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (10)
1. The filtering device is characterized by comprising a filtering screen plate, a filtering frame and a confluence disc;
the filter screen plate comprises a first filter screen and a first frame, and the first filter screen is fixedly connected with the first frame;
the filter frame comprises a second frame and at least one second filter screen, and the second filter screen is fixedly connected with the second frame;
the filter screen plate is embedded in the filter frame and is detachably connected with the filter frame;
the filter frame with the dish that converges can dismantle the connection, the bottom surface of dish that converges is provided with first opening, the filter frame inlays to be located in the first opening.
2. The filtration device of claim 1, wherein the second frame comprises a basket frame having a rectangular parallelepiped frame structure;
the bottom and the side wall of the cuboid frame structure are both fixed with the second filter screen.
3. The filtration device of claim 2, wherein the second frame further comprises a support frame;
the support frame is fixedly connected with the basket type frame, wherein the support frame is arranged on the surface of at least one second filter screen.
4. The filtration device of claim 2,
the inner wall of the liquid inlet of the filter frame is provided with a step hole, the outer wall of the liquid inlet of the filter frame is provided with a lapping edge, and the shape and the size of the step hole are matched with those of the filter screen plate;
a first surface of the filter screen plate is flush with the surface of the lapping edge, and a second surface of the filter screen plate is in contact with the stepped hole, wherein the first surface is opposite to the second surface, and filtrate flows from the first surface to the second surface;
the lap joint edge is embedded in the first opening, and the surface of the lap joint edge is flush with the bottom surface of the confluence disc.
5. The filtration device of claim 2,
the edge of the second filter screen is bent to form a curled edge, and the basket type frame wraps the curled edge of the second filter screen.
6. The filter apparatus of claim 1, wherein the first frame comprises a border and a middle frame;
the middle frame is fixedly connected with the side frame;
the frame parcel the side of first filter screen, at least one surface of first filter screen is provided with the center.
7. The filtration device of claim 1,
the confluence disc comprises a bottom surface and a side surface, the bottom surface and the side surface are enclosed to form a box body structure, the box body structure comprises a second opening, and a first preset angle is formed between a plane where the second opening is located and a plane where the bottom surface is located;
the side surfaces comprise a first side surface, a second side surface and a third side surface which are oppositely arranged, the first side surface is connected between the second side surface and the third side surface, and the height of the second side surface is greater than that of the third side surface;
the first opening is arranged in the area of the bottom surface close to the second side surface.
8. The filtration device of claim 1,
the filter screen plate is connected with the filter frame in a sealing mode through an elastic body, and the filter frame is connected with the confluence disc in a sealing mode through the elastic body.
9. The filtration device of claim 1,
at least one of the first frame, the second frame and the confluence disc is fixed with a handle.
10. A microtome, comprising the filter device of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922457162.9U CN213132088U (en) | 2019-12-30 | 2019-12-30 | Filter equipment and slicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922457162.9U CN213132088U (en) | 2019-12-30 | 2019-12-30 | Filter equipment and slicer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213132088U true CN213132088U (en) | 2021-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922457162.9U Active CN213132088U (en) | 2019-12-30 | 2019-12-30 | Filter equipment and slicer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213132088U (en) |
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2019
- 2019-12-30 CN CN201922457162.9U patent/CN213132088U/en active Active
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