CN209028088U - A kind of sampling needle dual-axis driving device - Google Patents
A kind of sampling needle dual-axis driving device Download PDFInfo
- Publication number
- CN209028088U CN209028088U CN201821822906.1U CN201821822906U CN209028088U CN 209028088 U CN209028088 U CN 209028088U CN 201821822906 U CN201821822906 U CN 201821822906U CN 209028088 U CN209028088 U CN 209028088U
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- China
- Prior art keywords
- axis
- mounting plate
- sampling needle
- drive module
- sampling
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005070 sampling Methods 0.000 title claims abstract description 52
- 230000001360 synchronised effect Effects 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000005693 optoelectronics Effects 0.000 claims description 22
- 230000033001 locomotion Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 102000004169 proteins and genes Human genes 0.000 description 4
- 108090000623 proteins and genes Proteins 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 210000000601 blood cell Anatomy 0.000 description 3
- 229910001344 5052 aluminium alloy Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
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- 239000004568 cement Substances 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
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- 108090000790 Enzymes Proteins 0.000 description 1
- 102000001554 Hemoglobins Human genes 0.000 description 1
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- 210000001124 body fluid Anatomy 0.000 description 1
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- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000012000 cholesterol Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of sampling needle dual-axis driving devices, including Y-direction drive module, Z-direction drive module and sampling module；Y-direction drive module includes Y-direction mounting plate (1), Y-direction slide rail (4) and Y-direction synchronous drive mechanism；Z-direction drive module is mounted on along the vertical direction on the Y-direction slide rail, and the Y-direction synchronous drive mechanism can drive Z-direction drive module to translate along Y-direction；Sampling module includes the sampling needle (18) in sampling needle fixing seat (5) and installation sampling needle fixing seat；Sampling module is arranged in Z-direction drive module, is driven by the Z-direction synchronization mechanism in Z-direction drive module；Y-direction mounting plate is equipped at least two Y-axis position sensor；Z-direction drive module is equipped at least one Z axis position sensor.The sampling needle dual-axis driving device integrated level is high, compact-sized.
Description
Technical field
The utility model relates to a kind of sampling needle dual-axis driving devices, analyze particularly suitable for blood cell, specific protein
In instrument.
Background technique
Full-automatic blood cell, specific protein analyzer are the important analysis instruments being commonly used in clinical examination, it by pair
The analysis of blood or other body fluid measures various biochemical indicators: such as hemoglobin, albumin, total protein, cholesterol, starch
Enzyme etc..In conjunction with other clinical datas, comprehensive analysis is carried out, evaluation can be made to organ dysfunction with assisted diagnosis disease, determined modern
Benchmark etc. is treated afterwards.
It is full-automatic blood cell, specific protein by the sampled part that " vertical movement+horizontal rectilinear motion " is sampled
One of critical component in analyzer, it is responsible for blood sample to be detected, reagent, and cleaning solution is sent into reaction cup by the program of setting
In.Current existing sampled part is all by guide supporting seat, two guide rails, and linear bearing or sliding bearing etc. form, this
Kind scenario-frame is complicated, and components are more, and parts machining process requires height, requires height, Material Cost height etc. to assembly crewman.
Therefore, it is necessary to design a kind of sampling needle dual-axis driving device.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of sampling needle dual-axis driving device, the sampling needle twin shafts
Driving device integrated level is high, compact-sized.
The technical solution of utility model is as follows:
A kind of sampling needle dual-axis driving device, including Y-direction drive module, Z-direction drive module and sampling module；
Y-direction drive module includes Y-direction mounting plate (1), Y-direction slide rail (4) and Y-direction synchronous drive mechanism；Y-direction sliding is led
Rail (4) and Y-direction synchronous drive mechanism are installed on Y-direction mounting plate, and Y-direction synchronous drive mechanism includes Y-direction timing belt (10), Y
Axis driving wheel (2) and Y-axis idle pulley (11)；Y-direction timing belt is located on Y-axis driving wheel and Y-axis idle pulley；It is also set on Y-direction mounting plate
There is the first stepper motor (3) for driving Y-direction synchronization mechanism；
Z-direction drive module is mounted on along the vertical direction on the Y-direction slide rail, the Y-direction synchronous drive mechanism
Z-direction drive module can be driven to translate along Y-direction；
Sampling module includes the sampling needle (18) in sampling needle fixing seat (5) and installation sampling needle fixing seat；Sampling module
It is arranged in Z-direction drive module, is driven by the Z-direction synchronization mechanism in Z-direction drive module；
Y-direction mounting plate is equipped at least two Y-axis position sensor；
Z-direction drive module is equipped at least one Z axis position sensor, preferably one, is specifically located at Z-direction mounting plate
Upper end.
Z-direction drive module includes Z axis fixing seat (21), Z-direction mounting plate (7), Z-direction synchronous drive mechanism and slide-and-guide block
(22)；
Z axis fixing seat is arranged on Y-direction slide rail, can slide along Y-direction slide rail；
Z-direction mounting plate is fixed in Z axis fixing seat；
Z-direction synchronization mechanism and slide-and-guide block are installed on Z-direction mounting plate；It is additionally provided on Z-direction mounting plate for driving Z
To the second stepper motor (6) of synchronization mechanism；
Z-direction synchronization mechanism includes Z axis driving wheel (8), Z axis synchronous belt (14), Z axis driven wheel (15), and Z axis synchronous belt is set
Between Z axis driving wheel and Z axis driven wheel.
Z-direction mounting plate is equipped with for the guide edge (24) for sampling needle fixing seat (5) guiding, and guide edge is properly termed as again
Z-direction gib block or Z-direction guide plate can actually be a flangings of Z-direction mounting plate.
The Y-axis position sensor is Y-axis optoelectronic switch (13), and Z axis position sensor is Z axis optoelectronic switch (9).
Y-axis optoelectronic switch is 5, and 5 Y-axis optoelectronic switches are arranged in straight line.
The lower end of Z-direction mounting plate is fixed with needle developing room (17)；The lower end of sampling needle vertically passes through the needle developing room.
Z-direction mounting plate is equipped with baffle, i.e. optoelectronic switch baffle causes light when baffle blocks the optical path of Y-axis optoelectronic switch
The signal intensity of electric switch.Similarly, sampling needle fixing seat is equipped with baffle and causes when baffle blocks the optical path of Z axis optoelectronic switch
The signal intensity of optoelectronic switch realizes position detection；
Optoelectronic switch is connected with MCU.
The utility model has the advantages that
The sampling needle dual-axis driving device of the utility model is fixed by horizontal frames and upright frame, using Y-axis stepping
Motor and Z axis stepper motor realize position detection using optoelectronic switch baffle and optoelectronic switch, using synchronous belt as driver
Structure runs smoothly；Positioned by optoelectronic switch, mechanical position limitation is protected, have it is compact-sized, convenient for assembly, and
Part is easy to process, advantage at low cost.
The utility model is designed by reasonable structure, in the Y-axis direction, is allowed on Y-direction slide rail and Y-direction mounting plate
Guide edge replaces traditional guide shaft, Lai Jinhang positioning and guiding movement；In the Z-axis direction, the up and down motion of synchronous belt, Z are utilized
Guide shaft is replaced to carry out guide-localization to the guide edge of mounting plate, while sampling needle also has centainly with the clearance fit of needle developing room
Guiding role.Structure after optimization reduces part, simplifies structure, simplifies production technology and reduces Material Cost,
It is also able to satisfy the precision of movement and the stability requirement of movement simultaneously.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram (forward direction perspective view) of sampling needle dual-axis driving device；
Fig. 2 is the general structure schematic diagram (side isometric view) of sampling needle dual-axis driving device；
Label declaration: 1-Y is sampled to mounting plate, 2-Y axis driving wheel, the first stepper motor of 3-, 4-Y to slide rail, 5-
Needle fixing seat, 6- second stepper motor, 7-Z is to mounting plate, 8-Z axis driving wheel, 9-Z axis optoelectronic switch, 10-Y to synchronous belt,
11-Y axis idle pulley, 12-Y pivot pin axis, 13-Y axis optoelectronic switch, 14-Z is to synchronous belt, 15-Z axis driven wheel, 16-Z axle suspension arm pin
Axis, 17- needle developing room, 18- sampling needle, 19- sampling needle briquetting, 20-Z are slided to optoelectronic switch baffle, 21-Z axis fixing seat, 22-
Action-oriented block, 23-Y is to optoelectronic switch baffle.
Specific embodiment
The utility model is described in further details below with reference to the drawings and specific embodiments:
Embodiment 1: such as Fig. 1~2, a kind of sampling needle dual-axis driving device is equipped with Y-direction slide rail on Y-direction mounting plate 1
4,21 one end of Z axis fixing seat is fixed on Y-direction slide rail, and the other end is connected with Y-direction timing belt 10, in the first stepper motor 3
Drive under carry out transverse reciprocating movement, on Y-direction mounting plate 1 folding have a rib, carry out the protection of mechanical limit position.Another
On one direction, slide-and-guide block 22 is matched with the guide edge on Y-direction mounting plate 1, under the drive of the first stepper motor, edge
Guide edge laterally do gliding motility, play guiding and circumferentially positioned effect.Guiding movement and positioning on the two directions
Guide shaft is added to add the motor pattern of linear bearing instead of existing guide shaft fixing seat.Y-axis optoelectronic switch 13 is fixed on Y-direction mounting plate
On 1, the accurate positioning of specific position is carried out using optoelectronic switch.
Second stepper motor 6 is housed on Z-direction mounting plate 7, Z axis driving wheel 8 is housed on output shaft.Z axis cantilever pin shaft
16 are fixed on the other end, and Z axis driven wheel 15 is housed thereon.Z axis synchronous belt 14 is around mounted in Z axis driving wheel 8 and Z axis driven wheel 15
On.5 one end of sampling needle fixing seat is directly connected with Z axis synchronous belt 14, and the other end is matched with the guide edge of Z-direction mounting plate 7,
Under the drive of motor, move up and down along guide edge.Sampling needle 18 is loaded in sampling needle fixing seat 5, with 17 phase of needle developing room
Even, needle developing room 17 is directly anchored on Z-direction mounting plate 7, forms a guiding role.Such structure is instead of traditional Z-direction
On add guide shaft to add the motion mode of linear bearing with guide shaft fixing seat, keep structure more terse and compact, stability is strong, and cost is more
It is low.
First stepper motor 3 is fixed on one end of Y-direction mounting plate 1, and Y-axis driving wheel 2 is housed on output shaft, uses clamp screw
Nail locking.Y-axis pin shaft 12 is fixed on the other end, and Y-axis idle pulley 11 is housed thereon, is locked with holding screw.Y-direction timing belt 10 installs around
On Y-axis driving wheel 2 and Y-axis idle pulley 11.Y-direction slide rail 4 is mounted on Y-direction mounting plate 1, is fixed with M3 screw.Z axis is fixed
21 one end of seat are fixed with M3 screw with 4 phase of Y-direction slide rail, and the open slot of the other end sticks into Y-direction timing belt 10, solid with M3 screw
It is fixed.Slide-and-guide block 22 is fixed on Z-direction mounting plate 7, and open slot cooperates with the guide edge of Y-direction mounting plate 1.Z-direction mounting plate 7
It is fixed in Z axis fixing seat 21 by M4 screw, with Z axis fixing seat horizontal movement.Second stepper motor 6 is fixed on Z-direction
Z axis driving wheel 8 is fixed with holding screw on output shaft in one end of mounting plate 7.Z axis cantilever pin shaft 16 is fixed on the other end,
Z axis driven wheel 15 is fixed with holding screw thereon.Simultaneously with M4*16 hexagon socket head cap screw from the M4 screw thread of 7 side of Z-direction mounting plate
Across Z axis cantilever pin shaft 16 is held, play tensioning synchronous belt.Z axis synchronous belt 14 is around mounted in Z axis driving wheel 8 and Z axis driven wheel
On 15.The slot open at one end of sampling needle fixing seat 5 sticks into Z axis synchronous belt 14, is fixed with M3 screw, and other end open slot is pacified with Z-direction
The guide edge of loading board 7 cooperates, and moves up and down under the drive of Z axis synchronous belt 14.Sampling needle 18 is loaded in sampling needle fixing seat 5
On, it is connected with needle developing room 17.
The material of the Y-direction mounting plate is 5052 aluminium sheets of 2.0mm, is bent with guide edge thereon and places Y-direction sliding and leads
The platform edges of rail, guide edge straightness are 0.02mm.
The material of the slide-and-guide block is that slide coefficient is small and the plastic cement of high abrasion.
The material of the Z-direction mounting plate is 5052 aluminium sheets of 2.0mm, is bent with guide edge thereon, guide edge straightness is
0.02mm。
The material of the sampling needle fixing seat is that slide coefficient is small and the plastic cement of high abrasion.
Claims (6)
1. a kind of sampling needle dual-axis driving device, which is characterized in that including Y-direction drive module, Z-direction drive module and sampling mould
Block；
Y-direction drive module includes Y-direction mounting plate (1), Y-direction slide rail (4) and Y-direction synchronous drive mechanism；Y-direction slide rail
(4) it is installed on Y-direction mounting plate with Y-direction synchronous drive mechanism, Y-direction synchronous drive mechanism includes Y-direction timing belt (10), Y-axis
Driving wheel (2) and Y-axis idle pulley (11)；Y-direction timing belt is located on Y-axis driving wheel and Y-axis idle pulley；It is additionally provided on Y-direction mounting plate
For driving the first stepper motor (3) of Y-direction synchronization mechanism；
Z-direction drive module is mounted on along the vertical direction on the Y-direction slide rail, and the Y-direction synchronous drive mechanism can drive
Dynamic Z-direction drive module is translated along Y-direction；
Sampling module includes the sampling needle (18) in sampling needle fixing seat (5) and installation sampling needle fixing seat；Sampling module setting
In Z-direction drive module, driven by the Z-direction synchronization mechanism in Z-direction drive module；
Y-direction mounting plate is equipped at least two Y-axis position sensor；
Z-direction drive module is equipped at least one Z axis position sensor.
2. sampling needle dual-axis driving device according to claim 1, which is characterized in that Z-direction drive module includes that Z axis is fixed
Seat (21), Z-direction mounting plate (7), Z-direction synchronous drive mechanism and slide-and-guide block (22)；
Z axis fixing seat is arranged on Y-direction slide rail, can slide along Y-direction slide rail；
Z-direction mounting plate is fixed in Z axis fixing seat；
Z-direction synchronization mechanism and slide-and-guide block are installed on Z-direction mounting plate；It is additionally provided on Z-direction mounting plate for driving Z-direction same
Walk the second stepper motor (6) of mechanism；
Z-direction synchronization mechanism includes Z axis driving wheel (8), Z axis synchronous belt (14), Z axis driven wheel (15), and Z axis synchronous belt is located at Z
Between axis driving wheel and Z axis driven wheel.
3. sampling needle dual-axis driving device according to claim 2, which is characterized in that Z-direction mounting plate be equipped with for for
The guide edge (24) of sampling needle fixing seat (5) guiding.
4. sampling needle dual-axis driving device according to claim 1, which is characterized in that the Y-axis position sensor is Y
Axis optoelectronic switch (13), Z axis position sensor are Z axis optoelectronic switch (9).
5. sampling needle dual-axis driving device according to claim 1, which is characterized in that Y-axis optoelectronic switch is 5,5 Y
Axis optoelectronic switch is arranged in straight line.
6. sampling needle dual-axis driving device according to claim 2, which is characterized in that the lower end of Z-direction mounting plate is fixed with
Needle developing room (17)；The lower end of sampling needle vertically passes through the needle developing room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821822906.1U CN209028088U (en) | 2018-11-06 | 2018-11-06 | A kind of sampling needle dual-axis driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821822906.1U CN209028088U (en) | 2018-11-06 | 2018-11-06 | A kind of sampling needle dual-axis driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209028088U true CN209028088U (en) | 2019-06-25 |
Family
ID=66910233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821822906.1U Expired - Fee Related CN209028088U (en) | 2018-11-06 | 2018-11-06 | A kind of sampling needle dual-axis driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209028088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254168A (en) * | 2018-11-06 | 2019-01-22 | 深圳市库贝尔生物科技股份有限公司 | A kind of sampling needle dual-axis driving device, analyzer and driving method |
-
2018
- 2018-11-06 CN CN201821822906.1U patent/CN209028088U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254168A (en) * | 2018-11-06 | 2019-01-22 | 深圳市库贝尔生物科技股份有限公司 | A kind of sampling needle dual-axis driving device, analyzer and driving method |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 |