CN207259487U - A kind of culture medium punches workbench - Google Patents
A kind of culture medium punches workbench Download PDFInfo
- Publication number
- CN207259487U CN207259487U CN201720665114.7U CN201720665114U CN207259487U CN 207259487 U CN207259487 U CN 207259487U CN 201720665114 U CN201720665114 U CN 201720665114U CN 207259487 U CN207259487 U CN 207259487U
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- motor
- culture medium
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- out bar
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- 239000001963 growth medium Substances 0.000 title claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 96
- 230000003028 elevating effect Effects 0.000 claims abstract description 29
- 238000004080 punching Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000008450 motivation Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000009629 microbiological culture Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229920001817 Agar Polymers 0.000 description 2
- 239000008272 agar Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
It the utility model is related to field of microbial culture technology, specifically a kind of culture medium punching workbench, it includes base, sets and the objective table and card punch on base, the objective table is used to placing and clamping the culture dish filled with culture medium, the card punch is used to punch culture medium, elevating mechanism is equipped with the base, the objective table can be lifted periodically so that card punch is periodically inserted into culture medium to complete punch operation under the driving of elevating mechanism.The utility model has abandoned the culture medium hole knockout of the prior art completely, there is provided a kind of to be greatly lowered the punching workbench that probability is contaminated in culture medium drill process.
Description
Technical field
The present invention relates to field of microbial culture technology, is specially a kind of culture medium punching workbench.
Background technology
Solid-state agar is widely used as culture medium in microculture, and in general, it is all thing to prepare culture medium
First uniformly smear certain thickness solid-state agar in culture dish, when specific experiment needs to beat culture medium further according to experiment
Hole, any one step is contaminated all causing the inaccurate of final result or even runs counter to completely during being somebody's turn to do, therefore, culture
Base punching work is also the possibility for needing to reduce pollution as far as possible.
In current practice, culture medium punching is all by manual operation, is had plenty of by a hollow circular-tube to insert
Enter in culture medium to realize punching, have plenty of using the special-purpose punching device similar to syringe to punch, but either use
Which kind of instrument, it is finally required for top operation instrument of the human hand frequently in culture medium, the dirt that human body is brought during this
Dye is always the problem of a puzzlement biology and medical laboratory.
The content of the invention
To make up the deficiencies in the prior art, the present invention provides a kind of culture medium punching workbench, which can try one's best
Reduction even completely avoids culture medium in the punching contaminated problem of link.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of culture medium punches workbench, including
Base, set with the objective table and card punch on base, the objective table be used for place and clamp the culture dish filled with culture medium,
The card punch is used to punch culture medium, is equipped with elevating mechanism in the base, the objective table is in elevating mechanism
Can periodically it be lifted under driving so that card punch is periodically inserted into culture medium to complete punch operation.
Preferably, it is "T"-shaped to include circular cylinder body, the "T"-shaped cut-out bar in circular cylinder body and connection for the card punch
The cut-out bar driving mechanism of bar is cut off, the "T"-shaped cut-out bar can be around circular cylinder body under the driving of cut-out bar driving mechanism
Central axes rotate.
Preferably, the cut-out bar driving mechanism in the card punch links with elevating mechanism, when the elevating mechanism moves
During to top dead centre, the cut-out bar driving mechanism in card punch rotates the cut-out for completing culture medium immediately.
Preferably, the elevating mechanism vertically periodically pumps, and it moves to top dead centre
When keep minibreak, the dead time no less than it is "T"-shaped cut-out bar rotation 180 degree needed for time.
Further, be additionally provided with the base makes for the rotating rotating mechanism of driving objective table, the rotating mechanism
Objective table periodically rotates fixed angle, and the rotating mechanism links with elevating mechanism, when elevating mechanism completes a loading
When platform lifts, driving objective table rotates fixed angle to rotating mechanism immediately.
Preferably, the elevating mechanism includes the first motor of cam ejection pin mechanism and driving cam post rod mechanism, described
Rotating mechanism includes intermeshing driving gear, driven gear and the second motor for driving driving gear, the cut-out bar
Driving mechanism is the 3rd motor being fixedly connected with "T"-shaped cut-out bar, is fixedly connected at the top of the mandril of the cam ejection pin mechanism
Objective table, the driven gear are fixedly mounted in the middle part of mandril, first motor, the second motor and the 3rd motor with control
Device is connected, and the controller controls the rotation of the first motor, the second motor and the 3rd motor.
Preferably, first motor, the second motor, the 3rd motor are stepper motor.
Preferably, the elevating mechanism is crank slide way mechanism；The rotating mechanism is sheave lever body, the cut-out
Bar driving mechanism is driven for partial gear group and intermeshing more transmission shafts, the elevating mechanism by motor, the song
Handle slide way mechanism is driven with sheave lever body by the first pulley mechanism, the sheave lever body and partial gear group
It is driven by the second pulley mechanism.
The beneficial effects of the present invention are：The present invention proposes a kind of new culture medium punching workbench, the workbench energy
Pollution caused by human factor when enough avoiding punching culture medium, carries out not having moving component and human hand cultivating during punch operation
Base top carries out moving operation, greatly reduces the possibility for carrying out pollutant from culture medium upper belt.
Brief description of the drawings
Fig. 1 is the overall schematic of the embodiment of the present invention 1 and 2.
Fig. 2 is the profile of 1 internal structure of the embodiment of the present invention.
Fig. 3 is the card punch schematic diagram of the embodiment of the present invention 1.
Fig. 4 is the internal structure schematic diagram of the embodiment of the present invention 2.
Fig. 5 is the partial internal structure front view after the embodiment of the present invention 2 simplifies.
Fig. 6 is the partial schematic diagram of the crank slide way mechanism of the embodiment of the present invention 2.
In figure：
1- base 2- card punch 3- objective tables
"T"-shaped cut-out bar the first motors of 6- of 4- circular cylinder bodies 5-
7- driving gear 8- driven gears the second motors of 9-
The 3rd motor 11- mandril 12- cams of 10-
13- spring clip 14- strut 15- ball bearings
16- boss 17- springs 18- drives motor
19- sliding slot 20- Z-shaped crank 21- bindiny mechanisms
22- rotating cylinder 23- curve chute 24- driving levers
The full tooth driven gears of 26- partial gears 27-
The 3rd drive links of 28- the first drive link the second drive links of 29- 20-
31- disk 32- limiting slot 33- shafts
34- arc bars.
Embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
In the description of the present invention, it is to be understood that term " on ", " under ", " top ", " bottom ", " interior ", " outer ", " in "
Orientation or position relationship Deng instruction be based on orientation shown in the drawings or position relationship, be for only for ease of the description present invention and
Simplify description, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific azimuth configuration
And operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Term " multiple " refers to two and two or more, in retouching for the present invention
In stating, unless otherwise prescribed and limit, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be mechanical
Connection inside connection or electrical connection or two elements, can be directly connected, can also be indirect by intermediary
It is connected, for the ordinary skill in the art, can understands the concrete meaning of the term as the case may be.
Embodiment 1
As shown in Figs. 1-2, a kind of culture medium card punch, includes the base 1 that square hollow shell is formed, in the base 1
Equipped with cam ejection pin mechanism, driving gear 7, driven gear 8, the first motor 6 and the second motor 9, the cam ejection pin mechanism bag
Cam 12 and the mandril 11 above cam 12 are included, the cam 12 is driven by the first motor 6, and the driven gear 8 is fixed
On mandril 11, the driving gear 7 is fixedly mounted in the shaft of the second motor 9, the driving gear 7 and driven tooth
The intermeshing of wheel 8, the mandril 11 stretch out base 1 and are fixedly connected with objective table 3 straight up, and the objective table 3 is circle
Tablet, its upper part be equipped with it is multiple be used to clamp the spring clips 13 of culture dish, one is installed with the base 1 and is fallen " 7 "
The strut 14 of font, card punch 2 is installed with the strut 14, and the card punch 2 includes circular cylinder body 4, arranged on circle
"T"-shaped cut-out bar 5 in cylinder 4 and the 3rd motor 10 for being fixedly mounted on 4 top of circular cylinder body, the "T"-shaped cut-out bar 5 are
T-shape steel wire, the "T"-shaped steel wire one end connect the 3rd motor 10, and the other end is through circular cylinder body 4 and extends circular cylinder body 4
Bottom end face；It is additionally provided with the base 1 for controlling the first motor 6, the second motor 9 and the controller of the 3rd motor 10（It is attached
Not shown in figure）, 1 side of base is additionally provided with multiple control buttons of connection controller（Can also be one, specific cloth
Needs are put to be set according to the function of controller）.
It should be noted that to realize punch operation, the work schedule of the first motor 6, the second motor 9 and the 3rd motor 10
It should carry out in accordance with the following steps（Acquiescence original state mandril 11 is located at lower dead center）：
S1. the motor shaft of the first motor 6 rotates 180 ° and cam 12 is rotated 180 ° and promote mandril 11 to rise to top dead centre,
Objective table 3 rises with mandril 11 and card punch 2 is inserted into culture medium.
S2. the 3rd motor 10 drives "T"-shaped cut-out bar 5 to rotate 180 °, completes the cut-out of culture medium.
S3. the motor shaft of the first motor 6 rotates 180 °, and mandril 11 returns to lower dead center
S4. the second motor 9 rotates, and driving driven gear rotates fixed angle（The angle is preset by controller）
Hereafter the punching that abovementioned steps carry out other holes position is repeated.
Further, first motor 6, the second motor 9 and the 3rd motor 10 are stepper motor.
Using stepper motor the card punch 2 of whole device, objective table 3 can be made to keep its state, Bu Huiyin at work
Cause its position or rotational angle to change for factors such as external force or vibrations, finally improve the arriving for quality of punching.
Further, the height of the strut can adjust.
Further, the position on base 1 of first motor 6 can adjust up and down.
Adjust the height of strut and the height of the first motor 6 is for realizing the change of punching depth.Strut is designed
The change of strut height can be realized as the structure that can be stretched, and the height for adjusting the first motor 6 can then pass through increasing
If a motor cabinet, will allow between motor cabinet and base 1 and be connected by multiple screw rods, to those skilled in the art, this
It is easily achieved.
Further, the ball bearing rotated easy to mandril is equipped between the base 1 and mandril 11（15）.
Further, a circle boss 16 is additionally provided with the mandril 11, bullet is additionally provided between 1 top of boss 16 and base
Spring 17, the bottom of the mandril 11 can remain the profile contacts with cam 12 under the action of spring 17.
As long as it should be noted that the arrangement of spring 17 can realize mandril 11 bottom can all the time with cam profile
Contact is kept, to those skilled in the art, also has many other arrangements.
The application method and operation principle of the present embodiment be：Culture dish equipped with culture medium is placed on objective table 3, is made
Clamp culture dish with spring clip 13, button press, at this time the first motor 6 rotate 180 degree immediately, the cam 12 rotates 180 degree
Mandril 11 is run to top dead centre and keep the position, at this moment card punch 2 is actually already inserted into culture medium, then the 3rd motor
10 driving T-steel silks rotate at least 180 degree（Culture medium is cut off）, the 3rd motor 10 stops operating after the completion of cut-out,
First motor 6 rotates 180 degree and mandril 11 is run to lower dead center, the culture medium of cut-out again is pulled out culture medium, completes the
One punching, followed by the second motor 9 starts to rotate fixed angle under the control of the controller（This angle can pass through control
Device processed is preset）, repeat the punching that foregoing step carries out second hole；So repeat, until completing 360 degree of culture medium
Several holes position punching（Certainly, operator, which can also select to have beaten Arbitrary Digit metering-orifice, stops）.
It should be noted that the first motor 6, the second motor 9 and the 3rd motor 10 are to pass through controller in such scheme
Default program controls, and the design of program and improves and the innovation of non-invention, also, to realize above-mentioned motor work
The program of sequential is simultaneously uncomplicated, is fully able to realize as those skilled in the art, certainly, the first motor 6 in the present embodiment,
Second motor 9 and the 3rd motor 10 can not also be controlled by controller, can be worked by three switches come controller, nothing
By any mode is used, protection scope of the present invention should be all included in, creativeness of the invention is the provision of a kind of brand-new
Culture medium drilling method, avoid the pollution for any human hand being carried out above culture medium or equipment movement may be brought completely.
Embodiment 2
The objective table 3 of embodiment 2 and embodiment 1, the shape of base 1 are identical, and the objective table 3 is also fixedly mounted on mandril
On 11, it is main difference is that elevating mechanism, rotating mechanism and the construction difference for cutting off bar driving mechanism of embodiment 2.
Specifically, the elevating mechanism includes a driving motor 18 and the crank slide way mechanism driven by the driving motor 18, described
Driving motor 18 is fixedly mounted in base 1, and crank slide way mechanism includes sliding slot 19, is connected on driving 18 output shaft of motor
Z-shaped crank 20, the sliding slot 19 are semicircle, and the sliding slot 19 is fixedly mounted on 11 bottom of mandril, the Z-shaped crank 20
Radius is equal with 19 radius of sliding slot, and in its one end insertion sliding slot 19, the other end is fixedly connected with the motor shaft of driving motor 18, described
Mandril 11 is done under the driving of crank slide way mechanism periodically to move up and down；The mandril 11 is divided to for upper and lower two sections, and epimere is with
Intersegmental to be equipped with bindiny mechanism 21, the epimere and hypomere can relatively rotate around the axis of mandril 11；The rotating mechanism
By driving lever rotating cylinder, mechanism forms, and the driving lever rotating cylinder mechanism includes the cylindrical rotating cylinder 22 being movably arranged on mandril 11, institute
State 22 outer surface of rotating cylinder and be equipped with curve chute 23, the driving lever 24 is fixedly mounted in a shaft 34, the shaft 34 and rotating cylinder
22 axial space is vertical, and when rotating lever 24, the rotating cylinder 22 rotates therewith, when driving lever 24 skids off curve chute 23
When, the rotating cylinder 22 stops operating, and particularly, the mandril 11 and rotating cylinder 23 use key connection, and the mandril 11 can be
It is axially moveable in the endoporus of rotating cylinder 22, certainly, in order to ensure the connection between rotating cylinder 22 and driving lever 24, above and below rotating cylinder
It is equipped with limited block（Not shown in attached drawing）, limited block is restricted from moving up and down；The cut-out bar driving mechanism bag
An external toothing partial gear group and some intermeshing drive links are included, the external toothing partial gear group includes one
Partial gear 26 and a full tooth driven gear 27, the partial gear 26 and full tooth driven gear 27 are intermeshed, institute
The middle part for stating full tooth driven gear 27 is also installed with the first drive link 28 that a radicle is equipped with bevel gear, described "T"-shaped
Cut-out bar 5 top is fixedly mounted on the second drive link 29 of the end equipped with bevel gear, first drive link 28 and the
The 3rd drive link 30 for being equipped with bevel gear between two drive links 29 by a both ends connects.
Preferably, the upper and lower part of the rotating cylinder 22 is equipped with disk 31, is provided with the disk 31 and curve chute
23 limiting slots 32 to cooperate, the arc bar 34 that central angle is 90 ° are also installed with the shaft 33, when arc bar 34 slips into
During limiting slot 32, rotating cylinder 22 is rotated by limitation.
As described in Figure 3, passed between the elevating mechanism, rotating mechanism and cut-out bar rotating mechanism by belt pulley
Dynamic, its operation principle is, when being powered to driving motor 18, the elevating mechanism, rotating mechanism and cut-out bar rotating mechanism are
Start running, when the Z-shaped crank 20 of crank slide way mechanism goes to upper half, the mandril 11 is located at top dead centre, card punch 2
It is inserted into culture medium, the arc bar 34 of rotating mechanism is included in curve chute 23 at this time, and rotating cylinder 22 is rotated by limitation, and cuts off bar cut-out
The partial gear group of mechanism starts to engage, and drives "T"-shaped cut-out bar 5 to start to cut off culture medium.Drive motor 18
It is rotated further, "T"-shaped cut-out bar 5 persistently cuts off culture medium at this time, is run when driving motor 18 goes to Z-shaped crank 20
During to lower half, the mandril 11 starts to move down, while arc bar 34 is also in 23 inner slide of curve chute, when mandril 11 is run
To after bottom dead center, arc bar 34 marks curve chute 23 completely, and driving lever 24 starts to be included in curve chute 23, drives 22 turns of rotating cylinder immediately
Dynamic, when driving lever 24 marks curve chute 23 again, the Z-shaped crank 20 is run to upper half again, so continues to repeat
Aforementioned activities complete the punching of next hole position.
In order to realize the collaborative work between above-mentioned component, on partial gear group, belt pulley and rotating cylinder 22
The grade all parts of curve chute 23 are required for by corresponding specific design and calculate, to those skilled in the art, this
Should all be easy to implement, the design parameter for not just being directed to component herein makees excessive description.
It should be noted that attached drawing 2 illustrate only the specific thin of lifting structure, rotating mechanism and cut-out bar driving mechanism
Section, specific arrangement is not all done for installation the specification and drawings of its all parts on base 1, for allowing this specification
Literal succinct and protrusion emphasis consideration, the present invention does not just do this excessive description, but has to, these components
Arrangement is all easily achieved to those skilled in the art.
Above-mentioned two embodiment is the preferable implementation of the present invention, and in addition, the present invention can be real with other manner
It is existing, it is any on the premise of the technical program design is not departed from obviously to replace within protection scope of the present invention.
In order to allow those of ordinary skill in the art more easily to understand improvements of the present invention relative to the prior art, this
Some attached drawings of invention and description have been simplified, and for the sake of clarity, present specification is omitted some other members
Element, those of ordinary skill in the art should be aware that these elements omitted also may make up present disclosure.
Claims (10)
1. a kind of culture medium punches workbench, including base（1）, arranged on base（1）On objective table（3）And card punch（2）, institute
State objective table（3）For placing and clamping the culture dish filled with culture medium, the card punch（2）For beating culture medium
Hole, the base（1）It is interior to be equipped with elevating mechanism, the objective table（3）Can periodically it be lifted under the driving of elevating mechanism
So that card punch（2）Periodically it is inserted into culture medium to complete punch operation.
2. culture medium according to claim 1 punches workbench, it is characterised in that：The card punch（2）Including circular cylinder
Body（4）, arranged on circular cylinder body（4）Interior "T"-shaped cut-out bar（5）With the "T"-shaped cut-out bar of connection（5）Cut-out bar driving mechanism,
The "T"-shaped cut-out bar（5）Can be around circular cylinder body under the driving of cut-out bar driving mechanism（4）Central axes rotation.
3. culture medium according to claim 2 punches workbench, it is characterised in that：The card punch（2）Interior cut-out bar
Driving mechanism links with the elevating mechanism, when the elevating mechanism moves to top dead centre, card punch（2）Interior cut-out bar drives
Motivation structure rotates the cut-out for completing culture medium immediately.
A kind of 4. culture medium punching workbench according to Claims 2 or 3, it is characterised in that：The elevating mechanism edge is perpendicular
Nogata is to making periodically to pump, and when it moves to top dead centre keeps minibreak, which is no less than
"T"-shaped cut-out bar（5）Rotate the time needed for 180 degree.
A kind of 5. culture medium punching workbench according to claim 4, it is characterised in that：The base（1）Inside it is additionally provided with
For driving objective table（3）Rotating rotating mechanism, the rotating mechanism make objective table（3）Fixed angle is periodically rotated,
The rotating mechanism links with elevating mechanism, when elevating mechanism completes an objective table（3）During lifting, rotating mechanism drives immediately
Objective table（3）Rotate fixed angle.
6. the culture medium punching workbench according to Claims 2 or 3, it is characterised in that：The elevating mechanism includes cam
First motor of post rod mechanism and driving cam post rod mechanism（6）, the rotating mechanism includes intermeshing driving gear
（7）, driven gear（8）And driving driving gear（7）The second motor（9）, the cut-out bar driving mechanism is to be cut with "T"-shaped
Disconnected bar（5）The 3rd motor being fixedly connected（10）, the mandril of the cam ejection pin mechanism（11）Top is fixedly connected with objective table
（3）, the driven gear（8）It is fixedly mounted on mandril（11）Middle part, first motor（6）, the second motor（9）With the 3rd electricity
Machine（10）It is connected with controller, the controller controls the first motor（6）, the second motor（9）With the 3rd motor（10）Turn
It is dynamic.
7. culture medium according to claim 4 punches workbench, it is characterised in that：The elevating mechanism includes cam follower
First motor of mechanism and driving cam post rod mechanism（6）, the rotating mechanism includes intermeshing driving gear（7）, from
Moving gear（8）And driving driving gear（7）The second motor（9）, the cut-out bar driving mechanism is and "T"-shaped cut-out bar
（5）The 3rd motor being fixedly connected（10）, the mandril of the cam ejection pin mechanism（11）Top is fixedly connected with objective table（3）, institute
State driven gear（8）It is fixedly mounted on mandril（11）Middle part, first motor（6）, the second motor（9）With the 3rd motor（10）
It is connected with controller, the controller controls the first motor（6）, the second motor（9）With the 3rd motor（10）Rotation.
8. culture medium according to claim 6 punches workbench, it is characterised in that：First motor（6）, the second motor
（9）, the 3rd motor（10）It is stepper motor.
9. the culture medium punching workbench according to Claims 2 or 3, it is characterised in that：The elevating mechanism is slide crank
Groove mechanism；The rotating mechanism is sheave lever body, and the cut-out bar driving mechanism is partial gear group and intermeshing
More transmission shafts, the elevating mechanism is by driving motor（18）Driving, the crank slide way mechanism are led to sheave lever body
Pulley drive is crossed, the sheave lever body passes through another group of pulley drive with partial gear group.
10. culture medium according to claim 4 punches workbench, it is characterised in that：The elevating mechanism is crank sliding slot
Mechanism；The rotating mechanism is sheave lever body, and the cut-out bar driving mechanism is partial gear group and intermeshing
More transmission shafts, the elevating mechanism is by driving motor（18）Driving, the crank slide way mechanism pass through with sheave lever body
Pulley drive, the sheave lever body pass through another group of pulley drive with partial gear group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720665114.7U CN207259487U (en) | 2017-06-09 | 2017-06-09 | A kind of culture medium punches workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720665114.7U CN207259487U (en) | 2017-06-09 | 2017-06-09 | A kind of culture medium punches workbench |
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| Publication Number | Publication Date |
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| CN207259487U true CN207259487U (en) | 2018-04-20 |
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ID=61915267
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| CN201720665114.7U Expired - Fee Related CN207259487U (en) | 2017-06-09 | 2017-06-09 | A kind of culture medium punches workbench |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106995777A (en) * | 2017-06-09 | 2017-08-01 | 钟金凤 | A kind of culture medium punches workbench |
| CN108432551A (en) * | 2018-05-17 | 2018-08-24 | 福建成发农业开发有限公司 | A kind of automatic packaging machine of culture medium |
| CN111434883A (en) * | 2019-01-11 | 2020-07-21 | 中国石油天然气股份有限公司 | Oil pipe perforating device |
| CN111687929A (en) * | 2020-06-18 | 2020-09-22 | 曾头莲 | Textile hangtag perforating and threading device |
-
2017
- 2017-06-09 CN CN201720665114.7U patent/CN207259487U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106995777A (en) * | 2017-06-09 | 2017-08-01 | 钟金凤 | A kind of culture medium punches workbench |
| CN108432551A (en) * | 2018-05-17 | 2018-08-24 | 福建成发农业开发有限公司 | A kind of automatic packaging machine of culture medium |
| CN108432551B (en) * | 2018-05-17 | 2023-09-29 | 福建成发农业开发有限公司 | Automatic packagine machine of culture medium |
| CN111434883A (en) * | 2019-01-11 | 2020-07-21 | 中国石油天然气股份有限公司 | Oil pipe perforating device |
| CN111434883B (en) * | 2019-01-11 | 2022-05-10 | 中国石油天然气股份有限公司 | Oil pipe perforating device |
| CN111687929A (en) * | 2020-06-18 | 2020-09-22 | 曾头莲 | Textile hangtag perforating and threading device |
| CN111687929B (en) * | 2020-06-18 | 2022-04-08 | 淮北冬傲信息技术有限公司 | Textile hangtag perforating and threading device |
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