CN216771263U - Daqu microorganism sample mixing device in wine - Google Patents
Daqu microorganism sample mixing device in wine Download PDFInfo
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- CN216771263U CN216771263U CN202220198312.8U CN202220198312U CN216771263U CN 216771263 U CN216771263 U CN 216771263U CN 202220198312 U CN202220198312 U CN 202220198312U CN 216771263 U CN216771263 U CN 216771263U
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Abstract
The utility model discloses a device for uniformly mixing yeast microorganism samples in wine, which comprises a shell, wherein supporting blocks are fixedly connected to the bottom of the shell close to four corners, a moving mechanism is arranged in the inner cavity of the shell close to the right side, and a vertical rod is fixedly connected to the top of the shell close to the left side. Thereby leading the uniform mixing effect of the sample to be better.
Description
Technical Field
The utility model relates to the technical field of sample mixing, in particular to a device for mixing yeast for making hard liquor with microorganism samples.
Background
The yeast for making hard liquor is made up by using wheat, barley and pea as raw material, breaking, adding water, mixing them and pressing them into brick-like yeast blank, and the yeast for making hard liquor contains several microbes of mould, yeast and bacteria, and is a multi-bacteria mixed preparation.
Because the yeast microorganism sample mixing device in traditional wine, at the in-process that uses, it is poor to the sample effect of gathering the mixing to lead to can influence the error and the progress of experiment, traditional device does not have simultaneously and can carry out ejecting mechanism to the test tube, thereby leads to the practicality of device poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a device for uniformly mixing the yeast microorganism samples in the wine.
One of the purposes of the utility model is realized by adopting the following technical scheme:
a yeast microorganism sample blending device in wine comprises a shell, wherein the bottom of the shell is close to four corners and is fixedly connected with supporting blocks, the inner cavity of the shell is close to the right side and is provided with a moving mechanism, the top of the shell is close to the left side and is fixedly connected with a vertical rod, the top end of the vertical rod is fixedly connected with a cam, the top of the shell is close to the upper part of the right side and is provided with a moving groove, the left side of the moving groove is provided with an opening, the upper part of the middle position of the inner cavity of the moving groove is provided with a moving groove, the right side of the moving groove is close to the top and the bottom and is fixedly connected with a cross rod, the right side of the moving groove is close to the top and the bottom and is provided with a through hole, the right ends of the two cross rods respectively penetrate through the inner cavities of the adjacent through holes and extend to the outer side of the moving groove, the outer sides of the two cross rods are respectively sleeved with first springs, and the left and right ends of the first springs are respectively and are fixedly connected with the right side walls of the inner cavities of the moving groove and the moving groove, a movable plate is arranged in the inner cavity of the movable groove and close to the bottom, first sliding blocks are fixedly connected to the left side and the right side of the movable groove, first sliding grooves are formed in the left side and the right side of the inner cavity of the movable groove, the two first sliding blocks are respectively movably connected to the inner cavities of the adjacent first sliding grooves, an ejection mechanism is arranged at the bottom of the movable plate, a plurality of arc-shaped placing grooves are formed in the top of the movable plate, straight rods are fixedly connected to the top of the movable plate and close to the left side and the right side of the top of the movable plate, a fixed plate is fixedly connected to the top ends of the two straight rods, a plurality of placing holes are formed in the fixed plate, two arc-shaped clamping plates are arranged in the inner cavity of the placing holes and are arranged in the front and back directions, a plurality of second springs are fixedly connected to the opposite sides of the two arc-shaped clamping plates, and one ends of the plurality of second springs, far away from the arc-shaped clamping plates, are fixedly connected to the inner cavities of the placing holes, adjacent a plurality of all be equipped with test tube body between the arc splint, and a plurality of test tube body's bottom is pegged graft respectively in the inner chamber of adjacent arc standing groove.
Furthermore, the bottom of the movable groove is fixedly connected with support rods close to the left side and the right side, the bottom end of each support rod is fixedly connected with a second sliding block, a second sliding groove is formed in the bottom of the inner cavity of the movable groove, and the two second sliding blocks are movably connected with the inner cavity of the second sliding groove.
Further, ejection mechanism includes the casing, the casing runs through the setting in activity tank bottom intermediate position department, just casing inner chamber left side department fixedly connected with servo motor, servo motor's output shaft fixedly connected with pivot, the right-hand member fixedly connected with carousel of pivot, the edge fixedly connected with dead lever that the right side of carousel is close to the bottom, the right side of carousel is close to bottom department and is equipped with the removal frame, the right-hand member of dead lever is pegged graft at the inner chamber that removes the frame.
Further, the equal fixedly connected with L shape pole of both sides department around the removal frame, two the equal fixedly connected with third slider of right-hand member of L shape pole, the third spout has all been seted up to both sides department around being close to on casing inner chamber right side, two the inner chamber of third slider swing joint at adjacent third spout respectively.
Further, the top middle position of the movable frame is fixedly connected with a vertical rod, the top of the shell is provided with a through hole, and the top end of the vertical rod penetrates through the inner cavity of the through hole and is fixedly connected with the bottom of the movable plate.
Further, moving mechanism includes the curb plate, curb plate fixed connection is close to intermediate position department in shell inner chamber bottom, just the right side fixedly connected with driving motor of curb plate, driving motor's output shaft fixedly connected with transfer line, the right-hand member fixedly connected with initiative conical gear of transfer line, the right side meshing of initiative conical gear has driven conical gear, driven conical gear's inner chamber runs through and is equipped with first loose axle, just the bottom and the shell inner chamber bottom swing joint of first loose axle, the first sprocket of the top fixedly connected with of first loose axle.
Further, the right side of first sprocket is equipped with the second sprocket, be equipped with the chain between first sprocket and the second sprocket, connect through chain drive between first sprocket and the second sprocket, just the bottom fixedly connected with second loose axle of second sprocket, the bottom and the shell inner chamber bottom swing joint of second loose axle.
Further, the top of chain is close to the rear side department swing joint on right side has the movable block, just the outside swing joint of movable block has the movable frame, the equal fixedly connected with limiting plate in both sides department around the movable frame, just spacing hole has been seted up on the limiting plate, two the inner chamber in spacing hole all runs through and is equipped with the gag lever post, two the right-hand member of gag lever post all with shell inner chamber right side fixed connection, the top fixedly connected with rectangular plate of movable frame, the top fixedly connected with carriage release lever of rectangular plate, the shell top is close to right side department and has seted up the rectangle opening, the top of carriage release lever passes rectangle open-ended inner chamber to with the bottom fixed connection of shifting chute.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the test tube body taking and placing device, the ejection mechanism is arranged, and the movable plate is conveniently ejected out through the mutual matching of the shell, the servo motor, the rotary table, the movable frame, the L-shaped rod and the vertical rod, so that the test tube body is conveniently taken and placed;
2. according to the utility model, through the arrangement of the moving mechanism, the driving motor, the driving conical gear, the driven conical gear, the moving rod, the limiting rod, the chain, the movable frame and the movable block are matched with one another, so that the moving groove is driven to move left and right back and forth, and meanwhile, the movable groove can be contacted with the cam and can swing through the first spring, so that the sample mixing effect is better.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a front sectional view of the present embodiment;
FIG. 2 is a partial top view of the chain of the present embodiment;
FIG. 3 is a partial top view of the fixing plate of the present embodiment;
FIG. 4 is an enlarged view of the embodiment at A in FIG. 1;
fig. 5 is an enlarged view of the embodiment at B in fig. 1.
In the figure: 1. a housing; 2. erecting a rod; 3. a cam; 4. a movable groove; 5. a test tube body; 6. a fixing plate; 7. a moving mechanism; 70. a drive motor; 71. a driving bevel gear; 72. a driven bevel gear; 73. a travel bar; 74. a limiting rod; 75. a chain; 76. a movable frame; 77. a movable block; 8. an ejection mechanism; 80. a housing; 81. a servo motor; 82. a turntable; 83. moving the frame; 84. an L-shaped rod; 85. a vertical rod; 9. a cross bar; 10. a first spring; 11. a moving groove; 12. a support block; 13. an arc-shaped splint; 14. a second spring; 15. a movable plate.
Detailed Description
The present invention is further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, as shown in fig. 1, the device for mixing microorganism samples of yeast for making hard liquor in wine of this embodiment includes a housing 1, supporting blocks 12 are fixedly connected to the bottom of the housing 1 near four corners, a moving mechanism 7 is arranged in the housing 1 near the right side, a vertical rod 2 is fixedly connected to the top of the housing 1 near the left side, a cam 3 is fixedly connected to the top of the vertical rod 2, a moving groove 11 is arranged above the top of the housing 1 near the right side, an opening is arranged at the left side of the moving groove 11, a moving groove 4 is arranged above the middle position of the inner cavity of the moving groove 11, supporting rods are fixedly connected to the bottom of the moving groove 4 near the left and right sides, second sliding blocks are fixedly connected to the bottom of the supporting rods, a second sliding groove is arranged at the bottom of the inner cavity of the moving groove 11, and both second sliding blocks are movably connected to the inner cavity of the second sliding groove for limiting the moving groove 4, the right side of the movable groove 4 is fixedly connected with cross rods 9 close to the top and the bottom, the right side of the movable groove 11 is provided with through holes close to the top and the bottom, the right ends of the two cross rods 9 respectively penetrate through inner cavities of adjacent through holes and extend to the outer side of the movable groove 11, the outer sides of the two cross rods 9 are respectively sleeved with a first spring 10, the left end and the right end of the first spring 10 are respectively fixedly connected with the right side walls of the inner cavities of the movable groove 4 and the movable groove 11, the inner cavity of the movable groove 4 is provided with a movable plate 15 close to the bottom, the left side and the right side of the movable plate 15 are respectively and fixedly connected with first sliding grooves, the left side and the right side of the inner cavity of the movable groove 4 are respectively and movably connected with the inner cavities of the adjacent first sliding grooves, the bottom of the movable plate 15 is provided with an ejection mechanism 8, the top of the movable plate 15 is provided with a plurality of arc-shaped placing grooves, the top of the movable plate 15 is fixedly connected with straight rods close to the left side and the right side, the common fixedly connected with fixed plate 6 in top of two straight-bars, it places the hole to have seted up a plurality of on the fixed plate 6, and place being equipped with two arc splint 13 of hole inner chamber, and two arc splint 13 set up around being, the equal fixedly connected with a plurality of second spring 14 in one side that two arc splint 13 are opposite, the one end that arc splint 13 was kept away from to a plurality of second spring 14 all with the inner chamber fixed connection who places the hole, all be equipped with test tube body 5 between the adjacent a plurality of arc splint 13, and the bottom of a plurality of test tube body 5 is pegged graft respectively in the inner chamber of adjacent arc standing groove.
The ejection mechanism 8 comprises a shell 80, the shell 80 is arranged at the middle position of the bottom of the movable groove 4 in a penetrating manner, a servo motor 81 is fixedly connected at the left side of the inner cavity of the shell 80, a rotating shaft is fixedly connected with an output shaft of the servo motor 81, a rotating disc 82 is fixedly connected at the right end of the rotating shaft, a fixed rod is fixedly connected at the edge of the right side of the rotating disc 82 close to the bottom, a movable frame 83 is arranged at the right side of the rotating disc 82 close to the bottom, the right end of the fixed rod is inserted into the inner cavity of the movable frame 83, a vertical rod 85 is fixedly connected at the middle position of the top of the movable frame 83, a through hole is formed in the top of the shell 80, the top end of the vertical rod 85 penetrates through the inner cavity of the through hole and is fixedly connected with the bottom of the movable plate 15, L-shaped rods 84 are fixedly connected at the front side and the rear side of the movable frame 83, third sliding blocks are fixedly connected at the right ends of the two L-shaped rods 84, third sliding grooves are formed at the right side of the inner cavity of the shell 80 close to the front side and rear sides, two third slider swing joint are respectively at the inner chamber of adjacent third spout, are convenient for drive fly leaf 15 rebound to conveniently take and place test tube body 5.
The moving mechanism 7 comprises a side plate, the side plate is fixedly connected to the bottom of the inner cavity of the shell 1 near the middle position, the right side of the side plate is fixedly connected with a driving motor 70, the output shaft of the driving motor 70 is fixedly connected with a transmission rod, the right end of the transmission rod is fixedly connected with a driving bevel gear 71, the right side of the driving bevel gear 71 is engaged with a driven bevel gear 72, the inner cavity of the driven bevel gear 72 is penetrated by a first movable shaft, the bottom end of the first movable shaft is movably connected with the bottom of the inner cavity of the shell 1, the top end of the first movable shaft is fixedly connected with a first chain wheel, the right side of the first chain wheel is provided with a second chain wheel, a chain 75 is arranged between the first chain wheel and the second chain wheel, the first chain wheel is in transmission connection with the second chain wheel through the chain 75, the rear side of the top of the chain 75 near the right side is movably connected with a movable block 77, and the outer side of the movable block 77 is movably connected with a movable frame 76, equal fixedly connected with limiting plate in both sides department around movable frame 76, and seted up spacing hole on the limiting plate, the inner chamber in two spacing holes all runs through and is equipped with gag lever post 74, the right-hand member of two gag lever posts 74 all with 1 inner chamber right side fixed connection of shell, the top fixedly connected with rectangular plate of movable frame 76, the top fixedly connected with carriage release lever 73 of rectangular plate, 1 top of shell is close to right side department and has seted up the rectangle opening, rectangle open-ended inner chamber is passed on carriage release lever 73's top, and with the bottom fixed connection of shifting chute 11, and the bottom fixedly connected with second loose axle of second sprocket, the bottom and the 1 inner chamber bottom swing joint of shell of second loose axle, be convenient for drive test tube body 5 round trip movement makes its inside sample mixing.
The working principle is as follows: firstly, in the using process, the servo motor 81 is started through an external power supply, when the servo motor 81 works, the output shaft of the servo motor drives the rotating shaft to rotate, the rotating shaft rotates to drive the rotating disc 82 to rotate, the rotating disc 82 rotates to drive the movable frame 83 to move upwards under the limit of the L-shaped rod 84, the third slider and the third sliding groove through the fixed rod, the movable frame 83 moves upwards to drive the movable plate 15 to move upwards under the limit of the first slider and the first sliding groove through the vertical rod 85, the movable plate 15 moves upwards to extend to the outer side of the movable groove 4, at this time, a worker can conveniently pass test tubes with samples through the placing holes and insert the test tubes into the inner cavities of the arc placing grooves, the adjacent two arc-shaped clamping plates 13 can clamp and fix the test tubes, meanwhile, the second springs 14 can clamp and fix the test tubes with different thicknesses, after the placing is completed, the servo motor 81 is started through the external power supply, the movable plate 15 is driven to move downwards to restore the original position by rotating in the opposite direction, then the motor 70 is driven by an external power supply, when the motor 70 works, the output shaft of the motor drives the transmission rod to rotate, the transmission rod rotates to drive the driving bevel gear 71 to rotate, the driving bevel gear 71 rotates to drive the driven bevel gear 72 engaged with the driving bevel gear to rotate, the driven bevel gear 72 rotates to drive the first movable shaft to rotate, the first movable shaft rotates to drive the second movable shaft to rotate through the chain 75, the chain 75 rotates along with the rotation, the chain 75 rotates to drive the movable frame 76 to move left and right in the limiting plate and the limiting plate of the limiting rod 74 through the movable block 77, when the movable frame 76 moves right, the movable groove 11 is driven to move right through the movable rod 73, when the movable frame 76 moves left, the movable groove 11 is driven to move left through the movable rod 73, the movable groove 11 can make the movable groove 4 contact with the cam 3 after moving a certain distance to the left, because the movable groove 11 is moving left continuously, at this time the cam 3 can extrude the movable groove 4, then drive the movable groove 4 to move right in the inner chamber of the movable groove 11 under the spacing of bracing piece, second slider and second spout, also can extrude two first springs 10 simultaneously, and can drive the movable groove 11 to move right when the movable groove 11 moves to the leftmost side, at this time the movable groove 4 can slowly lose the extrusion of cam 3, thereby can move left again and produce under the effect of first spring 10 power and rock, thereby can make the better mixing of the sample in the test tube body 5.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (8)
1. The utility model provides a yeast microorganism sample mixing device in wine, includes shell (1), its characterized in that: the bottom of the shell (1) is fixedly connected with supporting blocks (12) close to four corners, the inner cavity of the shell (1) is provided with a moving mechanism (7) close to the right side, the top of the shell (1) is fixedly connected with a vertical rod (2) close to the left side, the top end of the vertical rod (2) is fixedly connected with a cam (3), a moving groove (11) is arranged at the top of the shell (1) close to the right side, the left side of the moving groove (11) is provided with an opening, a moving groove (4) is arranged above the middle position of the inner cavity of the moving groove (11), the right side of the moving groove (4) is fixedly connected with cross rods (9) close to the top and the bottom, the right side of the moving groove (11) is provided with through holes close to the top and the bottom, and the right ends of the two cross rods (9) respectively penetrate through the inner cavities of adjacent through holes and extend to the outer side of the moving groove (11), the outer sides of the two cross rods (9) are respectively sleeved with a first spring (10), the left end and the right end of each first spring (10) are respectively fixedly connected with the movable groove (4) and the right side wall of the inner cavity of the movable groove (11), the movable plate (15) is arranged at the position, close to the bottom, of the inner cavity of the movable groove (4), first sliding blocks are respectively and fixedly connected to the left side and the right side of the inner cavity of the movable groove (15), first sliding grooves are respectively formed in the left side and the right side of the inner cavity of the movable groove (4), the two first sliding blocks are respectively and movably connected to the inner cavity of the adjacent first sliding grooves, an ejection mechanism (8) is arranged at the bottom of the movable plate (15), a plurality of arc-shaped placing grooves are formed in the top of the movable plate (15), straight rods are respectively and fixedly connected to the positions, close to the left side and the right side, of the top ends of the two straight rods are jointly and fixedly connected with a fixing plate (6), seted up a plurality of on fixed plate (6) and placed the hole, just place being equipped with two arc splint (13) of hole inner chamber, and two arc splint (13) set up around for, two the equal fixedly connected with a plurality of second spring (14), a plurality of one side that arc splint (13) are opposite second spring (14) the one end that arc splint (13) were kept away from in second spring (14) all with the inner chamber fixed connection who places the hole, adjacent a plurality of all be equipped with test tube body (5) between arc splint (13), and a plurality of the bottom of test tube body (5) is pegged graft respectively in the inner chamber of adjacent arc standing groove.
2. The device for uniformly mixing the yeast for making hard liquor with the microorganism sample as claimed in claim 1, which is characterized in that: the bottom of the movable groove (4) is close to the supporting rods fixedly connected with the left side and the right side, the bottom of each supporting rod is fixedly connected with a second sliding block, a second sliding groove is formed in the bottom of the inner cavity of the movable groove (11), and the second sliding blocks are movably connected with the inner cavity of the second sliding groove.
3. The device for uniformly mixing the yeast for making hard liquor with the microorganism sample as claimed in claim 1, which is characterized in that: the ejection mechanism (8) comprises a shell (80), the shell (80) penetrates through the middle of the bottom of the movable groove (4), a servo motor (81) is fixedly connected to the left side of the inner cavity of the shell (80), a rotating shaft is fixedly connected to an output shaft of the servo motor (81), a rotating disc (82) is fixedly connected to the right end of the rotating shaft, a fixed rod is fixedly connected to the edge of the right side of the rotating disc (82) close to the bottom, a movable frame (83) is arranged on the right side of the rotating disc (82) close to the bottom, and the right end of the fixed rod is inserted into the inner cavity of the movable frame (83).
4. The device for uniformly mixing the yeast for making hard liquor in the wine according to claim 3, which is characterized in that: remove the equal fixedly connected with L shape pole (84) of both sides department around frame (83), two the equal fixedly connected with third slider of right-hand member of L shape pole (84), casing (80) inner chamber right side is close to the front and back both sides department and has all seted up the third spout, two the inner chamber of third slider swing joint at adjacent third spout respectively.
5. The device for uniformly mixing the yeast for making hard liquor in the wine according to claim 3, which is characterized in that: remove frame (83) top intermediate position department fixedly connected with montant (85), the through-hole has been seted up at the top of casing (80), the inner chamber of through-hole is passed on the top of montant (85) to with the bottom fixed connection of fly leaf (15).
6. The device for uniformly mixing the yeast for making hard liquor and the microorganism sample as claimed in claim 1, which is characterized in that: moving mechanism (7) include the curb plate, curb plate fixed connection is close to intermediate position department in shell (1) inner chamber bottom, just the right side fixedly connected with driving motor (70) of curb plate, the output shaft fixedly connected with transfer line of driving motor (70), the right-hand member fixedly connected with initiative conical gear (71) of transfer line, the right side meshing of initiative conical gear (71) has driven conical gear (72), the inner chamber of driven conical gear (72) runs through and is equipped with first loose axle, just the bottom and shell (1) inner chamber bottom swing joint of first loose axle, the first sprocket of the top fixedly connected with of first loose axle.
7. The device for uniformly mixing the yeast for making hard liquor in the wine according to claim 6, which is characterized in that: the right side of first sprocket is equipped with the second sprocket, be equipped with chain (75) between first sprocket and the second sprocket, connect through chain (75) transmission between first sprocket and the second sprocket, just the bottom fixedly connected with second loose axle of second sprocket, the bottom and shell (1) inner chamber bottom swing joint of second loose axle.
8. The device for uniformly mixing the yeast for making hard liquor in the wine according to claim 7, which is characterized in that: the rear side department swing joint that the top of chain (75) is close to the right side has movable block (77), just the outside swing joint of movable block (77) has movable frame (76), the equal fixedly connected with limiting plate of both sides department around movable frame (76), just spacing hole has been seted up on the limiting plate, two the inner chamber in spacing hole all runs through and is equipped with gag lever post (74), two the right-hand member of gag lever post (74) all with shell (1) inner chamber right side fixed connection, the top fixedly connected with rectangular plate of movable frame (76), the top fixedly connected with carriage release lever (73) of rectangular plate, shell (1) top is close to right side department and has seted up the rectangle opening, the top of carriage release lever (73) passes rectangle open-ended inner chamber to with the bottom fixed connection of shifting chute (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198312.8U CN216771263U (en) | 2022-01-25 | 2022-01-25 | Daqu microorganism sample mixing device in wine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198312.8U CN216771263U (en) | 2022-01-25 | 2022-01-25 | Daqu microorganism sample mixing device in wine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216771263U true CN216771263U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220198312.8U Active CN216771263U (en) | 2022-01-25 | 2022-01-25 | Daqu microorganism sample mixing device in wine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216771263U (en) |
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2022
- 2022-01-25 CN CN202220198312.8U patent/CN216771263U/en active Active
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Address after: 646000 No. 733 Huguo Avenue, Naxi District, Luzhou City, Sichuan Province Patentee after: SICHUAN VOCATIONAL College OF CHEMICAL TECHNOLOGY Address before: No.62 wayaoba, Jiangyang District, Luzhou City, Sichuan Province Patentee before: SICHUAN VOCATIONAL College OF CHEMICAL TECHNOLOGY |
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