CN206920457U - A kind of new automatic micro-sampling arm - Google Patents
A kind of new automatic micro-sampling arm Download PDFInfo
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- CN206920457U CN206920457U CN201720567412.2U CN201720567412U CN206920457U CN 206920457 U CN206920457 U CN 206920457U CN 201720567412 U CN201720567412 U CN 201720567412U CN 206920457 U CN206920457 U CN 206920457U
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- needle
- plate
- withdraw
- new automatic
- sampling arm
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Abstract
The utility model discloses a kind of new automatic micro-sampling arm, including rectangle fixed plate, the fixed plate upper surface is provided with controller equipped with suction mechanism, withdraw of the needle mechanism, the fixed plate rear side surface.The beneficial effects of the utility model are, simple in construction, practical.
Description
Technical field
Biochemistry detection instrument is the utility model is related to, particularly a kind of new automatic micro sampling arm.
Background technology
Realize the automation of biochemical analysis field, it is possible to increase accuracy of detection and the manual labor for reducing people, it is currently more next
More products has the characteristics of reusable edible, multipurpose uses, and biochemical instrument is had extensive versatility.
Utility model content
The purpose of this utility model is to solve the above problems, and devises a kind of new automatic micro-sampling arm.
Realize that above-mentioned purpose the technical solution of the utility model is, a kind of new automatic micro-sampling arm, including it is rectangular
Shape fixed plate, the fixed plate upper surface is equipped with suction mechanism, withdraw of the needle mechanism, and the suction mechanism is by the table before fixed plate
The installing plate in face, at fixed plate one end motor fixing plate parallel with installing plate, installing plate upper surface center and motor
One group of flange bearing of the relative setting-in of installing plate, the on a mounting board leading screw that is inserted on one group of flange bearing, the installation on surface
High-precision sample introduction needle cavity, installed in the installing plate lower surface needle holder corresponding with high-precision sample introduction needle cavity, compress syringe needle
The clamping plate of seat, one end are inlaid in multiple piston rods, the transmission that the other end in high-precision sample introduction needle cavity is arranged on push handle bar
Mechanism collectively forms, and the withdraw of the needle mechanism is from being symmetrically embedded in one group installed with one group of guide pin bushing and guide pin bushing on a mounting board
Guide pillar, the connection of guide pillar one end are provided with the withdraw of the needle block to match with needle holder and collectively formed equipped with withdraw of the needle plate, withdraw of the needle plate center, institute
Syringe needle detection is stated by being fixedly mounted on circuit board, the welding common structure of margin microswich on circuit boards of clamping plate side surface
Into the fixed plate rear side surface is provided with controller.
The timing belt that the transmission mechanism is installed by the stepper motor on motor fixing plate, stepper motor round end
Take turns A, the synchronous pulley B of leading screw one end connection, collectively formed with synchronous pulley A and synchronous pulley the B timing belt to match.
The push handle bar side surface of the suction mechanism is equipped with one group of movement sliding block, the mobile sliding block with one group in fixed plate
Slide rail is used cooperatively.
The push handle bar center of the suction mechanism is equipped with the feed screw nut being engaged with leading screw.
Compression spring is provided between the guide pillar and guide pin bushing of the withdraw of the needle mechanism.
The withdraw of the needle block of the withdraw of the needle mechanism is sleeved in the through hole of withdraw of the needle plate.
The sample introduction needle cavity connection end of the suction mechanism is provided with seal pipe threaded female, and installing plate upper surface is provided with sealing spiral shell
Pit, seal pipe threaded female coordinate with sealing screwed hole, and installing plate lower surface is provided with recess hole, and needle holder matches with recess hole
Close, gasket seal is provided between the sample introduction needle cavity and needle holder.
The margin microswich is located at directly over withdraw of the needle block.
The controller is made up of control chip, driving chip and driving power.
The controller is electrical connected respectively at stepper motor, margin microswich.
The new automatic micro-sampling arm made using the technical solution of the utility model, it is a kind of new automatic micro
Sample introduction arm, sample introduction cavity can be changed, and can realize that the withdraw of the needle detects with syringe needle, meanwhile, it is capable to recycle, convenient disassembly, enter
Sample precision is higher, has a wide range of application.
Brief description of the drawings
Fig. 1 is the structural front view of new automatic micro-sampling arm described in the utility model；
Fig. 2 is the withdraw of the needle block partial enlarged drawing of new automatic micro-sampling arm described in the utility model；
Fig. 3 is the right view of new automatic micro-sampling arm described in the utility model；
Fig. 4 is the structure chart of new automatic micro-sampling arm described in the utility model；
In figure, 1, fixed plate；2nd, installing plate；3rd, motor fixing plate；4th, flange bearing；5th, leading screw；6th, sample introduction needle cavity；7、
Needle holder；8th, clamping plate；9th, push handle bar；10th, piston rod；11st, guide pin bushing；12nd, guide pillar；13rd, withdraw of the needle plate；14th, withdraw of the needle block；15th, it is electric
Road plate；16th, margin microswich；17th, synchronous pulley A；18th, synchronous pulley B；19th, timing belt；20th, mobile sliding block；21st, it is sliding
Rail；22nd, feed screw nut；23rd, compression spring；24th, through hole；25th, seal pipe threaded female；26th, screwed hole is sealed；27th, recess hole；
28th, gasket seal；29th, control chip；30th, driving chip；31st, driving power；32nd, stepper motor.
Embodiment
The utility model is specifically described below in conjunction with the accompanying drawings, as Figure 1-4, it is a kind of it is new automatic it is micro enter
Sample arm, the fixed plate upper surface is equipped with suction mechanism, withdraw of the needle mechanism, and the suction mechanism is by installed in the preceding surface of fixed plate
Installing plate, installed at fixed plate one end motor fixing plate parallel with installing plate, installing plate upper surface center with motor
One group of flange bearing of the relative setting-in of plate, the leading screw being inserted on one group of flange bearing, the installation on surface is high-precision on a mounting board
Spend sample introduction needle cavity, installed in the installing plate lower surface needle holder corresponding with high-precision sample introduction needle cavity, compression needle holder
Clamping plate, one end are inlaid in multiple piston rods, the transmission mechanism that the other end in high-precision sample introduction needle cavity is arranged on push handle bar
Collectively form, the withdraw of the needle mechanism from be symmetrically embedded in one group of guide pin bushing on a mounting board, coordinate with guide pin bushing installation one group of guide pillar,
The connection of guide pillar one end is provided with the withdraw of the needle block to match with needle holder and collectively formed equipped with withdraw of the needle plate, withdraw of the needle plate center, the pin
Head detection is by being fixedly mounted on the circuit board of clamping plate side surface, the margin microswich of welding on circuit boards collectively forms,
The fixed plate rear side surface is provided with controller；The transmission mechanism is by the stepper motor on motor fixing plate, stepping
Motor round end installation synchronous pulley A, leading screw one end connection synchronous pulley B, with synchronous pulley A and synchronous pulley B phases
The timing belt matched somebody with somebody collectively forms；The push handle bar side surface of the suction mechanism is equipped with one group of movement sliding block, the mobile sliding block with
One group of slide rail is used cooperatively in fixed plate；The push handle bar center of the suction mechanism is equipped with the leading screw spiral shell being engaged with leading screw
It is female；Compression spring is provided between the guide pillar and guide pin bushing of the withdraw of the needle mechanism；The withdraw of the needle block of the withdraw of the needle mechanism is sleeved on withdraw of the needle plate
Through hole in；The sample introduction needle cavity connection end of the suction mechanism is provided with seal pipe threaded female, and installing plate upper surface is provided with sealing
Screwed hole, seal pipe threaded female coordinate with sealing screwed hole, and installing plate lower surface is provided with recess hole, and needle holder matches with recess hole
Close, gasket seal is provided between the sample introduction needle cavity and needle holder；The margin microswich is located at directly over withdraw of the needle block；Institute
Controller is stated to be made up of control chip, driving chip and driving power；The controller is respectively at stepper motor, miniature spacing
Switch is electrical connected.
The characteristics of the present embodiment is, fixed plate upper surface equipped with suction mechanism, withdraw of the needle mechanism, suction mechanism by installed in
Installing plate, the installing plate installed in the preceding surface of fixed plate, the installing plate on the preceding surface of fixed plate be provided with high-precision sampling needle cavity body,
One end is inlaid in multiple piston rods that the other end in high-precision sample introduction needle cavity is arranged on push handle bar, installed in fixed plate one end
At the motor fixing plate parallel with installing plate, installing plate upper surface center with one group of flange bearing of the relative setting-in of motor mounting plate,
It is inserted into leading screw on one group of flange bearing, installed in the installing plate lower surface syringe needle corresponding with high-precision sample introduction needle cavity
Seat, clamping plate, the transmission mechanism of compression needle holder are collectively formed, and withdraw of the needle mechanism is led by one group be symmetrically embedded on a mounting board
Set, the one group of guide pillar installed with guide pin bushing cooperation, guide pillar one end are connected and are provided with and needle holder phase equipped with withdraw of the needle plate, withdraw of the needle plate center
The withdraw of the needle block of matching collectively forms, and syringe needle detection is by being fixedly mounted on the circuit board of clamping plate side surface, welding on circuit boards
Margin microswich collectively form, fixed plate rear side surface is provided with controller, a kind of new automatic micro-sampling arm, sample introduction
Cavity can be changed, and can realize that the withdraw of the needle detects with syringe needle, meanwhile, it is capable to recycle, convenient disassembly, sample introduction precision is higher,
Have a wide range of application.
In the present embodiment, synchronous motor is housed in the motor mounting plate of dead plate upper end, motor round end is equipped with same
Belt wheel A is walked, leading screw is arranged between installing plate and motor fixing plate by flange bearing, and leading screw one end is equipped with synchronous pulley B, together
Step belt wheel A is driven with synchronous pulley B by synchronous band connection, and push handle bar, push handle bar are connected with the feed screw nut that screw mandrel is engaged
Equipped with mobile sliding block, mobile sliding block is used cooperatively with the slide rail in fixed plate, so as to ensure that push handle bar is put down under the drive of leading screw
Steady mobile, installing plate is connected with high-precision sample introduction needle cavity by pipe screw thread, and installing plate is equipped with needle holder, needle holder and sample introduction needle
Cavity ensures connection sealing by gasket seal, and clamping plate is used to clamp needle holder, and there is needle holder installation disposable aspiration needle to make
With sample introduction needle cavity is equipped with piston rod, and piston rod one end is connected with push handle bar, realizes system suction function.
In the present embodiment, withdraw of the needle plate is connected by guide pillars and bushes, and push handle bar is moved so as to promote guide pillar, guide pillar band
Withdraw of the needle plate is moved, through hole is provided with withdraw of the needle plate, activity withdraw of the needle block is installed so as to realize withdraw of the needle function, the withdraw of the needle is completed, spring
Resilience drives guide pillar to return to original position.
In the present embodiment, during sample-adding, the meeting when disposable aspiration needle installs, withdraw of the needle block can touch spacing hold upwards
Close, limit switch is arranged in clamping plate, and system is with regard to that can detect syringe needle installation situation.
In the present embodiment, driving power is connected with peripheral circuit, driving chip control port 1 and stepper motor phase
Even, control port 2 is connected by electric wire feedback control chip, limit switch feedback end with control chip by electric wire, is formed
Whole control system.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel embody principle of the present utility model to some variations that some of which part may be made, and belong to the utility model
Protection domain within.
Claims (10)
1. a kind of new automatic micro-sampling arm, including rectangle fixed plate (1), it is characterised in that on the fixed plate (1)
Surface is equipped with suction mechanism, withdraw of the needle mechanism, and the suction mechanism is by the installing plate (2) installed in fixed plate (1) preceding surface, installation
Installed at fixed plate (1) one end motor fixing plate (3) parallel with installing plate (2), installing plate (2) upper surface center with motor
Plate is relative to be embedded in one group of flange bearing (4), the leading screw (5) being inserted on one group of flange bearing (4), in installing plate (2) upper surface
Installation high-precision sample introduction needle cavity (6), corresponding with high-precision sample introduction needle cavity (6) installed in installing plate (2) lower surface
Needle holder (7), the clamping plate (8) that compresses needle holder (7), one end be inlaid in high-precision sample introduction needle cavity (6) interior other end peace
Multiple piston rods (10), transmission mechanism on push handle bar (9) collectively form, and the withdraw of the needle mechanism is by being symmetrically inlaid in installation
One group of guide pin bushing (11) on plate (2), one group of guide pillar (12) of installation, guide pillar (12) one end is coordinated with guide pin bushing (11) be connecteds to be equipped with and move back
Needle plate (13), withdraw of the needle plate (13) center are provided with the withdraw of the needle block (14) to match with needle holder (7) and collectively formed, the syringe needle inspection
Survey circuit board (15), the margin microswich being welded on circuit board (15) by being fixedly mounted on clamping plate (8) side surface
(16) collectively form, fixed plate (1) rear side surface is provided with controller.
2. a kind of new automatic micro-sampling arm according to claim 1, it is characterised in that the transmission mechanism is by pacifying
Stepper motor (32), synchronous pulley A (17), the leading screw of the installation of stepper motor (32) round end on motor fixing plate (3)
The synchronous pulley B (18) of one end connection, the timing belt (19) to match with synchronous pulley A (17) and synchronous pulley B (18) are jointly
Form.
3. a kind of new automatic micro-sampling arm according to claim 1, it is characterised in that the suction mechanism pushes away
Handle bar (9) side surface is equipped with one group of movement sliding block (20), and the mobile sliding block (20) is matched somebody with somebody with the upper one group of slide rail (21) of fixed plate (1)
Close and use.
4. a kind of new automatic micro-sampling arm according to claim 1, it is characterised in that the suction mechanism pushes away
Handle bar (9) center is equipped with the feed screw nut (22) being engaged with leading screw (5).
5. a kind of new automatic micro-sampling arm according to claim 1, it is characterised in that the withdraw of the needle mechanism is led
Compression spring (23) is provided between post (12) and guide pin bushing (11).
6. a kind of new automatic micro-sampling arm according to claim 1, it is characterised in that the withdraw of the needle mechanism is moved back
Pin block (14) is sleeved in the through hole (24) of withdraw of the needle plate (13).
7. a kind of new automatic micro-sampling arm according to claim 1, it is characterised in that the suction mechanism is entered
Sample needle cavity body (6) connection end is provided with seal pipe threaded female (25), and installing plate (2) upper surface is provided with sealing screwed hole (26), sealing
Pipe screw thread mother (25) coordinates with sealing screwed hole (26), and installing plate (2) lower surface is provided with recess hole (27), needle holder (7) with it is recessed
Slotted eye (27) is engaged, and gasket seal (28) is provided between the sample introduction needle cavity (6) and needle holder (7).
A kind of 8. new automatic micro-sampling arm according to claim 1, it is characterised in that the margin microswich
(16) directly over withdraw of the needle block (14).
9. a kind of new automatic micro-sampling arm according to claim 1, it is characterised in that the controller is by controlling
Coremaking piece (29), driving chip (30) and driving power (31) composition.
A kind of 10. new automatic micro-sampling arm according to claim 1, it is characterised in that the controller difference
It is electrical connected in stepper motor (32), margin microswich (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720567412.2U CN206920457U (en) | 2017-05-17 | 2017-05-17 | A kind of new automatic micro-sampling arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720567412.2U CN206920457U (en) | 2017-05-17 | 2017-05-17 | A kind of new automatic micro-sampling arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920457U true CN206920457U (en) | 2018-01-23 |
Family
ID=61308242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720567412.2U Active CN206920457U (en) | 2017-05-17 | 2017-05-17 | A kind of new automatic micro-sampling arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957019A (en) * | 2017-05-17 | 2018-12-07 | 天津工业大学 | A kind of new automatic micro-sampling arm |
| CN110031645A (en) * | 2019-04-29 | 2019-07-19 | 中国科学院植物研究所 | A kind of sample introduction mechanism |
-
2017
- 2017-05-17 CN CN201720567412.2U patent/CN206920457U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957019A (en) * | 2017-05-17 | 2018-12-07 | 天津工业大学 | A kind of new automatic micro-sampling arm |
| CN110031645A (en) * | 2019-04-29 | 2019-07-19 | 中国科学院植物研究所 | A kind of sample introduction mechanism |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 300457 Tianjin City Development Zone Fourth Avenue Tian Da Science and Technology Park 80, C8 three. Co-patentee after: Tianjin Polytechnic University Patentee after: Tianjin one Rui biological Polytron Technologies Inc Address before: No. 399 Bingshui Road, Xiqing District, Tianjin, Tianjin Co-patentee before: Tianjin Yirui Biological Engineering Co., Ltd. Patentee before: Tianjin Polytechnic University |