CN210684002U - A solution tank that is used for silicon chip system fine hair's push away piece blend stop device and silicon chip system fine hair - Google Patents
A solution tank that is used for silicon chip system fine hair's push away piece blend stop device and silicon chip system fine hair Download PDFInfo
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- CN210684002U CN210684002U CN201921584288.6U CN201921584288U CN210684002U CN 210684002 U CN210684002 U CN 210684002U CN 201921584288 U CN201921584288 U CN 201921584288U CN 210684002 U CN210684002 U CN 210684002U
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Abstract
The utility model discloses a push jack blend stop device for silicon chip making herbs into wool, the bottom that is used for soaking the solution tank of silicon chip is located to push jack blend stop device, include: the support is arranged at the bottom of the solution tank; the barrier strip is used for pushing the silicon wafers in the flower basket; one end of the connecting piece is hinged with the support, and the other end of the connecting piece is fixedly connected with the barrier strip; one end of the cross rod is movably connected with the support, the cross rod is fixedly connected with one end of the connecting piece, which is connected with the support, and the side pull piece is connected with one side of the connecting piece, which deviates from the cross rod. The blend stop that will promote the silicon chip in this application sets up in solution tank bottom, forms V type structure between connecting piece and the horizontal pole, is pushed down by the basket of flowers when the horizontal pole, and the connecting piece can drive the blend stop and bulldoze to the basket of flowers side to reach the purpose that promotes the silicon chip. Therefore, the wafer pushing and blocking strip device in the application can reduce the problem of fragments of the silicon wafer in the soaking process to a great extent and reduce the loss of the silicon wafer. The application also provides a solution tank for texturing silicon wafers, and the solution tank has the beneficial effects.
Description
Technical Field
The utility model relates to a production technical field of solar wafer especially relates to a solution tank that is used for pushing away piece blend stop device and silicon chip system fine hair of silicon chip system fine hair.
Background
During solar cell production and manufacturing, silicon wafer texturing is an indispensable part, and specifically, the silicon wafer is required to be placed in a hollowed-out flower basket, is placed in a solution tank together with the flower basket, is soaked, is pulled up by the flower basket, and is cleaned in other solution tanks.
In the process that the silicon wafer sinks along with the flower basket, the silicon wafer and the solution react chemically to generate bubbles for floating the silicon wafer, and in addition, the silicon wafer can float and drift due to the buoyancy effect of the solution on the silicon wafer. And then make the side blend stop of silicon chip and flower basket bump for the silicon chip piece is comparatively serious.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solution tank that is used for silicon chip making herbs into wool's push away piece blend stop device and silicon chip making herbs into wool has reduced the piece rate when silicon chip making herbs into wool.
In order to solve the technical problem, the utility model provides a push jack blend stop device for silicon chip making herbs into wool, the bottom that is used for soaking the solution tank of silicon chip is located to the push jack blend stop device, include:
the support is arranged at the bottom of the solution tank; the barrier strip component is used for pushing the silicon wafers in the flower basket; one end of the connecting piece is hinged with the support, and the other end of the connecting piece is fixedly connected with the barrier strip part; one end of the cross rod is movably connected with the support, the cross rod is fixedly connected with one end of the connecting piece, which is connected with the support, and the side pulling piece is connected with one side of the connecting piece, which is far away from the cross rod; a V-shaped structure with an included angle not larger than 90 degrees is formed between the cross rod and the connecting piece;
the side pulling piece can pull the connecting piece to drive the barrier strip part and the cross rod to rotate towards one side of the connecting piece departing from the cross rod by taking the support as a fulcrum, and a rotating central shaft is parallel to the length direction of the barrier strip part; and the rotation angle is less than 90 degrees;
when the flower basket sinks towards the bottom of the solution tank, one end, away from the support, of the cross rod can be pressed downwards, and the connecting piece drives the barrier strip component to rotate to the side, which is attached to the flower basket and is not provided with the barrier rod, so that the barrier strip component can push the silicon wafer in the flower basket.
The side pulling piece is an elastic telescopic piece, one end of the elastic telescopic piece is connected with the connecting piece, the other end of the elastic telescopic piece is arranged on one side of the support, which is far away from the cross rod, and the elastic telescopic piece is connected with the bottom of the solution tank;
when the flower basket presses the cross rod down to be attached to the bottom of the solution tank, the elastic expansion piece is in a stretching state.
The side pulling piece is a part with the gravity greater than the sum of the gravity of the cross rod, the barrier strip and the connecting piece;
when the flower basket presses the cross rod down to be attached to the bottom of the solution tank, the gravity center of the side pull rod is located on one side, deviating from the cross rod, of the support.
Wherein, the side pulling piece is a steel material part with an anti-corrosion protective sleeve on the surface.
Wherein, the protective sheath is a PVDF protective sheath.
The number of the support is two, each support is connected with one of the transverse rods and one of the strip-shaped connecting rods, and one end of each support is fixedly connected with two ends of the corresponding barrier strip component.
Wherein, the length of connecting rod is adjustable.
Wherein, the horizontal pole with the connecting piece and the blend stop is the PVDF part.
The length of the barrier strip structure is equal to the distance between two opposite inner side walls of the flower basket.
The application also provides a solution tank for silicon wafer texturing, the tank bottom of the solution tank is provided with the push sheet barrier strip device for silicon wafer texturing, and the push sheet barrier strip device is provided with the push sheet barrier strip device.
The utility model provides a push jack blend stop device for silicon chip making herbs into wool, push jack blend stop device locate the bottom that is used for soaking the solution tank of silicon chip, include: the support is arranged at the bottom of the solution tank; the barrier strip is used for pushing the silicon wafers in the flower basket; one end of the connecting piece is hinged with the support, and the other end of the connecting piece is fixedly connected with the barrier strip; one end of the cross rod is movably connected with the support, the cross rod is fixedly connected with one end of the connecting piece, which is connected with the support, and the side pull piece is connected with one side of the connecting piece, which is far away from the cross rod; wherein a V-shaped structure with an included angle not greater than 90 degrees is formed between the cross rod and the connecting piece; the side pulling piece can pull the connecting piece to drive the barrier strip and the cross rod to rotate towards one side of the connecting piece departing from the cross rod by taking the support as a fulcrum, and the rotating central shaft is parallel to the length direction of the barrier strip; when the flower basket sinks towards the bottom of the solution tank, one end of the cross rod, which is far away from the support, can be pressed downwards, and the connecting piece drives the barrier strip to rotate to one side, which is not provided with the barrier rod, of the attached flower basket, so that the barrier strip pushes the silicon wafer in the flower basket.
The blend stop that will promote the silicon chip in this application sets up in solution tank bottom, and is connected because connecting piece and horizontal pole are certain angle for form V type structure between connecting piece and the horizontal pole, when the horizontal pole by the basket of flowers pushes down, the connecting piece can drive the blend stop and bulldoze to the basket of flowers side, in order to reach the purpose that promotes the silicon chip. With the drift of the mode restriction silicon chip of current fixed blend stop on the basket of flowers, it just bulldozes the playback to the silicon chip that drifts after the basket of flowers sinking in this application, has avoided the silicon chip to take place the problem of piece with the separation blade collision at the in-process that drifts.
Therefore, the wafer pushing and blocking strip device in the application can reduce the problem of fragments of the silicon wafer in the soaking process to a great extent and reduce the loss of the silicon wafer.
The application also provides a solution tank for texturing silicon wafers, and the solution tank has the beneficial effects.
Drawings
In order to clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described 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 creative efforts.
FIG. 1 is a schematic structural diagram of a basket for holding silicon wafers in the prior art;
fig. 2 is a schematic structural diagram of a wafer pushing barrier strip device for silicon wafer texturing according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of the flower basket sinking into the solution tank according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of the flower basket sinking into the bottom of the solution tank according to the embodiment of the present invention;
fig. 5 is a schematic side view of a blade pushing barrier device according to an embodiment of the present invention;
fig. 6 is a schematic side view of a blade pushing barrier device according to another embodiment of the present invention.
Detailed Description
As for the flower basket for bearing the silicon wafers, as shown in fig. 1, fig. 1 is a schematic structural diagram of a flower basket for bearing the silicon wafers in the prior art; the basket 10 is a substantially rectangular frame structure, and the silicon wafer 2 is put in from the open upper end of the basket 10. The conventional flower basket 10 structure is provided with barrier strips 11 on both sides, so that the silicon wafers 2 are prevented from drifting out when the flower basket 10 is immersed in a solution tank. However, the practical practice shows that the barrier strips 11 are arranged on both sides of the flower basket 10, and when the silicon wafer 2 is immersed in the solution tank, the silicon wafer 2 collides with the barrier strips 11 on both sides of the flower basket 10, so that the breakage probability of the silicon wafer 2 is greatly improved.
In order to reduce the collision between the silicon wafer 2 and the flower basket 10, the barrier strip 11 on one side of the flower basket 10 is removed, and the barrier strip 11 is only arranged on one side of the flower basket 10, so that the probability that the silicon wafer 2 collides with the barrier strip 11 is reduced to a certain extent, but another problem is also brought at the same time: when the silicon wafer 2 is immersed in the solution tank, the silicon wafer drifts to the side of the flower basket 10 where the barrier strips 11 are not arranged; the silicon wafer 2 needs to be sequentially immersed, lifted, immersed and lifted in the solution tanks, and the process is repeated, so that the drift distance of the silicon wafer 2 is accumulated, and even the silicon wafer 2 completely drifts out of the basket 10, so that fragments are generated.
Therefore, the silicon wafer pushing and blocking device for silicon wafer texturing is provided, the problem that silicon wafers drift in a flower basket without the blocking strips arranged on the side edges can be effectively solved, and the specific technical scheme is explained by specific embodiments below.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 2, fig. 2 is a schematic structural diagram of a push-piece bar device for silicon wafer texturing provided by the embodiment of the present invention, the push-piece bar device is disposed at the bottom of a solution tank for soaking a silicon wafer, and specifically may include:
a support 31 arranged at the bottom of the solution tank; a barrier strip part 32 for pushing the silicon wafer 2 in the flower basket 10; a connecting piece 33 with one end hinged with the support 31 and the other end fixedly connected with the barrier strip part 32; a cross bar 34 with one end movably connected with the support 31 and one end fixedly connected with the connecting piece 33 and connected with the support 31, and a side pulling piece 35 connected with one side of the connecting piece 33 departing from the cross bar 34; wherein, a V-shaped structure with an included angle not larger than 90 degrees is formed between the cross bar 34 and the connecting piece 33;
the side pulling piece 35 can pull the connecting piece 33 to drive the barrier strip part 32 and the cross rod 34 to rotate towards one side of the connecting piece 33 departing from the cross rod 34 by taking the support 31 as a fulcrum, and the rotating central shaft is parallel to the length direction of the barrier strip part 32; and the rotation angle is less than 90 degrees;
when the flower basket 10 sinks towards the bottom of the solution tank, one end of the cross rod 34, which is far away from the support 31, can be pressed downwards, and the connecting piece 33 drives the barrier strip part 32 to rotate to the side, which is attached to the flower basket 10 and is not provided with the barrier rod, so that the barrier strip part 32 pushes the silicon wafers 2 in the flower basket 10.
As shown in fig. 2, the connecting member 33 is fixedly connected to the cross bar 34 and the bar member 32 to form a V-shaped linkage member therebetween. As shown in fig. 3 and fig. 4, fig. 3 is a schematic structural view of the flower basket sinking into the solution tank after the embodiment of the present invention is provided, and fig. 4 is a schematic structural view of the flower basket sinking into the bottom of the solution tank provided by the embodiment of the present invention. When the cross rod 34 is pressed downwards by the bottom of the flower basket 10 and moves towards the bottom of the solution tank 4, the barrier strip part 32 can be driven to move towards the side of the flower basket 10 where no barrier strip is arranged, so that the purpose that the barrier strip part 32 pushes the silicon wafer 2 towards the inside of the flower basket 10 is achieved; when the flower basket 10 is pulled up, the pressure action of the flower basket 10 on the cross bar 34 disappears, and the connecting piece 33 rotates to the side away from the cross bar 34 under the pulling force of the side pulling piece 35, namely, the rotating direction is opposite to the rotating direction when the flower basket 10 falls, so that the barrier strip part 32 is prevented from colliding with the side edge of the silicon slice 2 drifting in the flower basket 10 when the next flower basket 10 falls.
In addition, the rotation angle of the parts such as the cross rod 34, the connecting piece 33 and the baffle part 32 pulled by the side pulling piece 35 is smaller than 90 degrees, so that the cross rod 34 cannot be pressed downwards towards one side of the connecting piece 33 departing from the side pulling piece 35 at the bottom of the flower basket 10 when the flower basket 10 falls down is avoided.
It should be noted that when the flower basket 10 is completely dropped into the bottom of the solution tank 4, the end of the cross bar 34 facing away from the support 31 should be pressed against the bottom of the flower basket 10. In addition, the pulling force generated by the side pulling members 35 should be able to completely overcome the weight of the cross bar 34 and the bar elements 32, so as to rotate the cross bar 34 and the bar elements 32, but not enough to overcome the pressure of the flower basket 10 on the cross bar 34.
To sum up, the blade pushing barrier strip device in this application, when basket of flowers 10 whereabouts immerges in solution tank 4, horizontal bar 34 receives basket of flowers 10 pressure effect for horizontal bar 34, connecting piece 33 and barrier strip part 32 linkage are rotatory, realize barrier strip part 32 at basket of flowers 10 whereabouts in-process gradually, promote silicon chip 2's effect gradually, have both avoided the strong collision of silicon chip 2 and barrier strip part 32, have avoided silicon chip 2 to appear the problem of drift by a wide margin again. And the silicon wafers in the flower basket are pushed once when the flower basket 10 is immersed in the solution tank 4 once, so that the drifting distance of the silicon wafers is prevented from being accumulated in the solution tanks 4 one by one, and the problem that the silicon wafers 2 fall off and are broken is further avoided.
The application provides a blade pushing barrier strip device, the problem of solution silicon chip drift that can be fine reduces the percentage of damage of silicon chip at to a great extent to reduce photovoltaic module manufacturing cost, promote production efficiency.
Based on above-mentioned embodiment, to the side structure sketch map that draws the piece to have multiple different structures, fig. 5 is the utility model discloses the side structure sketch map of the push jack blend stop device that the embodiment provided. As shown in fig. 5, in an embodiment of the present invention, the side pulling member 35 may be an elastic expansion member having one end connected to the connecting member 33 and the other end disposed on a side of the support 31 away from the cross bar 34 and connected to the bottom of the solution tank 4;
when the basket 10 presses the cross bar 34 down to fit the bottom of the solution tank 4, the elastic expansion piece is in a stretched state.
Specifically, in the present embodiment, an elastic expansion member is used as the side pulling member 35, and the tensile force applied to the connecting member 33 is exerted by the elastic force of the side pulling member 35. The line with the arrow in fig. 5 is the telescopic direction of the side pull, and the arc with the arrow is the rotating direction of the cross bar 34. When the cross bar 34 is pressed down at the bottom of the flower basket 10, the cross bar 34 drives the connecting piece 33 and the barrier strip part 32 to rotate towards one side of the flower basket 10, the side pulling piece 35 is pulled, and the pulling force of the side pulling piece 35 is increased. When the flower basket 10 is pulled upwards, the pressure of the flower basket 10 on the cross bar 34 is gradually released and reduced, and the pulling force of the side pull rod 35 on the connecting piece 33 pulls the connecting piece 33, the barrier strip part 32 and the like to rotate.
The concrete form of the side pulling member 35 can be similar to a spring or elastic plastic, etc., however, the side pulling member 35, whatever the form of the side pulling member 35, should have a corrosion-resistant surface structure to prevent the side pulling member 35 from being corroded by the solution in the solution tank 4.
Other non-elastic members may be used for the side pull members 35, in addition to being elastic. Fig. 6 is a schematic side view of a blade pushing barrier device according to another embodiment of the present invention. As shown in fig. 6, in another embodiment of the present invention, the side pulling member 35 may be a member having a gravity greater than the sum of the gravity of the cross bar 34, the barrier strip member 32 and the connecting member 33;
when the basket 10 presses the cross bar 34 down to fit the bottom of the solution tank 4, the center of gravity of the side pull 35 is located on the side of the support 31 facing away from the cross bar 34.
In fig. 6, the arcs with arrows respectively show the rotation directions of the cross bar 34 and the side pulling member 35, in this embodiment, the pulling force generated by the side pulling member 35 on the connecting member 33 is derived from the gravity action of the side pulling member 35, so that the gravity of the side pulling member 35 generates a moment about the pivot on the cross bar 34, the connecting member 33 and the barrier strip member 32, and the direction of the moment is opposite to the direction of the moment generated by the resultant force of the gravity of the cross bar 34, the connecting member and the barrier strip, so that when the cross bar 34 is not pressed down by the flower basket 10, the side pulling member 35 can drive the cross bar 34, the connecting member 33 and the barrier strip member 32 to rotate to the side away from the cross bar.
For the side pulling piece 35, the side pulling piece 35 can be arranged at one end of the connecting piece 33 close to the support 31, and after the side pulling piece 35 pulls the connecting piece 33 to rotate for a certain angle, the side pulling piece 35 can be close to the bottom of the solution tank 4, so that the purpose of preventing the connecting piece 33 from continuing to rotate is achieved, and the problem that the connecting piece 33 drives the cross rod 34 to rotate for an overlarge angle is avoided.
In order to reduce the complexity between the individual parts, resulting in a gap angle between the individual parts, which is not conducive to cleaning, the cross bar and the connecting piece as well as the bar parts may further be provided in the present application as a one-piece construction, in particular as a PVDF one-piece construction. PVDF is used to ensure that the various components are not corroded.
As described above, the side pull member 35 needs to have a surface layer for corrosion prevention, and therefore, a protective sheath having a corrosion prevention effect may be provided on the surface of the side pull member 35, and specifically, the protective sheath may be a PVDF protective sheath. Of course, protective sheath of other materials also can be adopted in this application, as long as can acidproof alkali-proof can, do not specifically limit in this application.
Based on any of the above embodiments, in another specific embodiment of the present invention, the method may further include:
the quantity of support 31 is two, and every all is connected with a horizontal pole 34 and a bar connecting piece, two bar connecting rods deviate from the one end of support 31 respectively with blend stop part 32 both ends fixed connection.
Specifically, as shown in fig. 2, a straight rod is disposed between the two supports 31, the cross rod 34 and the connecting member 33 are fixedly connected to the straight rod, and both ends of the straight rod are hinged to the two supports 31. The connecting rod in this application is the connecting piece 33, and in particular, reference can be made to the structure of the connecting piece 33 in fig. 5. Of course, the straight rod may not be provided in the present application, and the connecting member 33, the cross bar 34 and the support 31 may be directly and fixedly connected, but this may reduce the stability of the whole structure to some extent.
Further, considering that there are differences in the heights at which the barrier strip structure 32 pushes the silicon wafer for different sizes of silicon wafers, in another embodiment of the present invention, the barrier strip structure may further include:
the length of the connecting rod is adjustable.
Optionally, in another specific embodiment of the present invention, the method may further include:
the length of the barrier member 32 is equal to the distance between the two opposite inner side walls of the flower basket 10.
In order to ensure that the barrier strip part 32 can extend into the flower basket 10 to push the silicon wafers 2 and avoid the silicon wafers 2 positioned at the end part of the flower basket 10 from being pushed by leakage, the length of the barrier strip part 32 can be just equal to the distance between the plate-shaped structures at the two ends of the flower basket 10.
The utility model also provides a solution tank of silicon chip making herbs into wool, the tank bottom of this solution tank is provided with as above arbitrary the push jack blend stop device that is used for silicon chip making herbs into wool.
The wafer pushing barrier strip device arranged at the bottom of the solution tank in the embodiment can push the silicon wafer when the flower basket falls, so that the problem that the silicon wafer falls off from the flower basket due to the fact that the silicon wafer is soaked in a plurality of solution tanks for many times and the drift distance is overlapped is avoided, the wafer breaking rate of the silicon wafer in the solution tank is reduced, and the extension cost of the solar cell is reduced.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
Claims (10)
1. The utility model provides a push away piece blend stop device for silicon chip system herbs into wool which characterized in that, the bottom that is used for soaking the solution tank of silicon chip is located to push away piece blend stop device includes:
the support is arranged at the bottom of the solution tank; the barrier strip component is used for pushing the silicon wafers in the flower basket; one end of the connecting piece is hinged with the support, and the other end of the connecting piece is fixedly connected with the barrier strip part; one end of the cross rod is movably connected with the support, the cross rod is fixedly connected with one end of the connecting piece, which is connected with the support, and the side pulling piece is connected with one side of the connecting piece, which is far away from the cross rod; a V-shaped structure with an included angle not larger than 90 degrees is formed between the cross rod and the connecting piece;
the side pulling piece can pull the connecting piece to drive the barrier strip part and the cross rod to rotate towards one side of the connecting piece departing from the cross rod by taking the support as a fulcrum, and a rotating central shaft is parallel to the length direction of the barrier strip part; and the rotation angle is less than 90 degrees;
when the flower basket sinks towards the bottom of the solution tank, one end, away from the support, of the cross rod can be pressed downwards, and the connecting piece drives the barrier strip component to rotate to the side, which is attached to the flower basket and is not provided with the barrier rod, so that the barrier strip component can push the silicon wafer in the flower basket.
2. The wafer pushing bar device for silicon wafer texturing as claimed in claim 1, wherein the side pulling member is an elastic expansion member having one end connected to the connecting member and the other end disposed on a side of the support base facing away from the cross bar and connected to the bottom of the solution tank;
when the flower basket presses the cross rod down to be attached to the bottom of the solution tank, the elastic expansion piece is in a stretching state.
3. The wafer pushing bar device for silicon wafer texturing according to claim 1, wherein the side pulling member is a member having a gravity greater than the sum of the gravity of the cross bar, the bar member and the connecting member;
when the flower basket presses the cross rod downwards to be attached to the bottom of the solution tank, the gravity center of the side pulling piece is located on one side, deviating from the cross rod, of the support.
4. The wafer pushing bar device for silicon wafer texturing according to claim 3 wherein the side pulling member is a steel member having a protective coating on the surface for preventing corrosion.
5. The blade pushing bar device for silicon wafer texturing of claim 4 wherein the protective sheath is a PVDF protective sheath.
6. The wafer pushing bar device for silicon wafer texturing as claimed in claim 3, wherein the number of the support is two, each of the support is connected with one of the cross bars and one of the bar-shaped connecting rods, and one end of each of the two bar-shaped connecting rods facing away from the support is fixedly connected with both ends of the bar-shaped member.
7. The blade pushing bar apparatus for silicon wafer texturing as claimed in claim 6, wherein the length of said connecting rod is adjustable.
8. The wafer pushing bar device according to any of claims 1 to 7, wherein the cross bar and the connecting member and the bar member are PVDF members.
9. The wafer pushing bar device for silicon wafer texturing according to claim 8, wherein the length of the bar member is equal to the distance between the two opposite inner side walls of the flower basket.
10. A solution tank for silicon wafer texturing, wherein the bottom of the solution tank is provided with the push plate barrier strip device for silicon wafer texturing according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921584288.6U CN210684002U (en) | 2019-09-23 | 2019-09-23 | A solution tank that is used for silicon chip system fine hair's push away piece blend stop device and silicon chip system fine hair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921584288.6U CN210684002U (en) | 2019-09-23 | 2019-09-23 | A solution tank that is used for silicon chip system fine hair's push away piece blend stop device and silicon chip system fine hair |
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| Publication Number | Publication Date |
|---|---|
| CN210684002U true CN210684002U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921584288.6U Active CN210684002U (en) | 2019-09-23 | 2019-09-23 | A solution tank that is used for silicon chip system fine hair's push away piece blend stop device and silicon chip system fine hair |
Country Status (1)
| Country | Link |
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| CN (1) | CN210684002U (en) |
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