CN108268809B - Test tube rotary mechanism and test tube rotary code scanning device - Google Patents
Test tube rotary mechanism and test tube rotary code scanning device Download PDFInfo
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- CN108268809B CN108268809B CN201810129130.3A CN201810129130A CN108268809B CN 108268809 B CN108268809 B CN 108268809B CN 201810129130 A CN201810129130 A CN 201810129130A CN 108268809 B CN108268809 B CN 108268809B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10366—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications
- G06K7/10415—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM
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Abstract
The invention discloses a test tube rotating mechanism and a test tube rotating code scanning device, wherein the test tube rotating mechanism comprises: the device comprises a bracket, a driving part, a transmission part and a limiting part, wherein the driving part, the transmission part and the limiting part are respectively fixed on the bracket, and the axes of the driving part, the transmission part and the limiting part are all in the vertical direction; the limiting part and the test tube are tangent to two first tangent points, the transmission part and the test tube are tangent to a second tangent point, the second tangent point and the two first tangent points are positioned on the same horizontal plane and are connected to form an isosceles triangle, and the second tangent point is positioned at the vertex angle of the isosceles triangle; the transmission part is in the drive of drive division is rotated down, and second tangent point department friction test tube, the test tube passively rotates under the frictional force effect, and passes through first tangent point friction spacing portion drives spacing portion rotates. This test tube rotary mechanism convenient to use, simple structure not only, the fixed test tube of three tangential point forms certain clamping-force to the test tube moreover, has increased the frictional force between transmission portion and the test tube, has ensured that the test tube can rotate.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a test tube rotating mechanism and a test tube rotating code scanning device.
Background
At present, the bar codes of blood sampling test tubes in hospitals are mostly scanned by manual operation, so that the workload is high, and mistakes are easily made. In order to solve the above problems, researchers have developed some code scanning devices, which are mainly divided into two types: a bar code fixed position reading mode and a bar code moving reading mode. The fixed type is commonly used, and has the advantages of simple structure and low cost, and the defects of high requirement on bar code pasting and poor fault tolerance rate. The moving bar code reading method has the following disadvantages: the existing device has complex structure and poor reliability, and is usually driven by a cylinder, so that the manufacturing cost is high.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention aims to provide a test tube rotating mechanism and a test tube rotating code scanning device, which aims to solve the problems of inconvenient use, complex structure and high manufacturing cost of the existing blood sampling test tube code reading device.
The technical scheme of the invention is as follows:
a cuvette rotation mechanism, comprising: the device comprises a bracket, a driving part, a transmission part and a limiting part, wherein the driving part, the transmission part and the limiting part are respectively fixed on the bracket, and the axes of the driving part, the transmission part and the limiting part are all in the vertical direction; the limiting part and the test tube are tangent to two first tangent points, the transmission part and the test tube are tangent to a second tangent point, the second tangent point and the two first tangent points are positioned on the same horizontal plane and are connected to form an isosceles triangle, and the second tangent point is positioned at the vertex angle of the isosceles triangle;
the transmission part is in the drive of drive division is rotated down, and second tangent point department friction test tube, the test tube passively rotates under the frictional force effect, and passes through first tangent point friction spacing portion drives spacing portion rotates.
The test tube rotary mechanism, wherein, transmission portion includes: the test tube testing device comprises a cylindrical pin fixed on a bracket, an inertia shaft which is matched with the cylindrical pin and can swing towards a test tube by taking the cylindrical pin as a rotation center, and a driving wheel which is sleeved on the inertia shaft and can rotate freely, wherein a gap is formed between the driving wheel and the test tube; the drive wheel is in the drive of drive division is rotated down and is swung to test tube one side, tangent with the test tube in the second tangent point.
The test tube rotating mechanism is characterized in that a through hole is formed in the inert shaft in a direction perpendicular to the axis, and the cylindrical pin penetrates through the through hole and serves as a rotating center of the inert shaft in a swinging mode.
The test tube rotating mechanism is characterized in that the inert shaft is divided into an upper part and a lower part by the cylindrical pin, the upper part is provided with an elastic component, and the lower part is sleeved with the driving wheel;
the elastic component applies thrust to the upper part of the inert shaft towards the direction of the test tube, and the driving wheel is far away from the test tube under the lever action.
The test tube rotary mechanism, wherein, the drive section includes: the motor and with motor rotation axis one end complex cam, the motor drive the cam rotates, the drive wheel is in the drive of cam is down rotated and is swung to test tube one side, with the test tube tangent in the second tangent point.
Test tube rotary mechanism, wherein, still include sensing mechanism, sensing mechanism includes: the device comprises a blocking piece fixed with the other end of the motor rotating shaft and a transmitter fixed on a support and transmitting signals towards the blocking piece;
the blocking piece is driven by the motor to keep synchronous rotation with the cam, and periodically blocks signals transmitted by the transmitter.
Test tube rotary mechanism, wherein, spacing portion includes two bearings that are fixed in on the support, two the bearing is tangent in two with the test tube first tangent point.
The test tube rotating mechanism is characterized in that the distance between the two bearings is adjustable.
The utility model provides a sign indicating number device is swept in test tube rotation, include as above test tube rotary mechanism, with the fixed base of support to and fix the scanner on the base, the test tube side is aimed at to the scanning window of scanner for scan attached bar code on the test tube.
The rotatory yard device of sweeping of test tube, wherein, still be provided with the transmission track on the base for transmit the test tube to spacing department.
Has the advantages that: the invention provides a test tube rotating mechanism, wherein a transmission part, a limiting part and a test tube form three tangent points, and the test tube passively rotates under the friction action of the transmission part. This test tube rotary mechanism convenient to use not only, simple structure, the fixed test tube of three tangential point forms certain clamping-force to the test tube moreover, has increased the frictional force between transmission portion and the test tube, has ensured that the test tube can rotate, avoids frictional force too little, takes place to slide between test tube and the transmission portion and leads to the unable rotation of test tube.
Drawings
Fig. 1 is an assembly view of a test tube rotating mechanism according to a preferred embodiment of the present invention.
FIG. 2 is a diagram showing the positional relationship between the transmission part, the test tube and the stopper part when the test tube is rotated.
Fig. 3 is a perspective view of a preferred embodiment of the transmission portion.
FIG. 4 is a partial cross-sectional view of a preferred embodiment of the transmission.
FIG. 5 is a perspective view of a preferred embodiment of the spring assembly.
FIG. 6 is a perspective view of a preferred embodiment of the drive section and sensing device.
FIG. 7 is an exploded view of a preferred embodiment of the position limiting portion.
Detailed Description
The invention provides a test tube rotating mechanism and a test tube rotating code scanning device, and the invention is further described in detail below in order to make the purpose, technical scheme and effect of the invention clearer and more clear. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a preferred embodiment of a test tube rotating mechanism, which comprises a bracket 1, a driving part 2, a transmission part 3 and a limiting part 4, wherein the driving part 2, the transmission part 3 and the limiting part 4 are respectively fixed on the bracket, and the axes of the driving part, the transmission part and the limiting part are vertical; the limiting part and the test tube 5 are tangent to two first tangent points A and B, the transmission part and the test tube are tangent to a second tangent point C, the second tangent point and the two first tangent points are positioned on the same horizontal plane and are connected to form an isosceles triangle, and the second tangent point is positioned at the vertex angle of the isosceles triangle;
the transmission part is in the drive of drive division is rotated down, and second tangent point department friction test tube, the test tube passively rotates under the frictional force effect, and passes through first tangent point friction spacing portion drives spacing portion rotates.
In the test tube rotating mechanism, the transmission part and the limiting part can rotate and form three tangent points with the test tube, and the test tube passively rotates under the friction action of the transmission part. This test tube rotary mechanism convenient to use not only, simple structure, the fixed test tube of three tangential point forms certain clamping-force to the test tube moreover, has increased the frictional force between transmission portion and the test tube, has ensured that the test tube can rotate, avoids frictional force too little, takes place to slide between test tube and the transmission portion and leads to the unable rotation of test tube.
Preferably, the transmission portion is provided swingably so that loading and unloading of the test tube can be facilitated, the transmission portion including: a cylindrical pin 31 fixed on the bracket, an inertia shaft 32 which is matched with the cylindrical pin and can swing towards the test tube by taking the cylindrical pin as a rotation center, and a driving wheel 33 which is sleeved on the inertia shaft and can rotate freely, wherein a gap is formed between the driving wheel and the test tube; the drive wheel is in the drive of drive division is rotated down and is swung to test tube one side, tangent with the test tube in the second tangent point. The cylindrical pin and the inertia shaft can be connected in a pull ring mode, and the purpose that the inertia shaft can swing relative to the cylindrical pin is achieved. As shown in fig. 3 and 4, a through hole 321 is formed in the idle shaft 32 perpendicular to the axial direction, and the cylindrical pin 31 passes through the through hole (the cylindrical pin is in a disassembled state in fig. 3, and the cylindrical pin is in an assembled state in fig. 4) and serves as a rotation center of the idle shaft. Fig. 4 is a partial cross-sectional view of the manner in which the cylindrical pin is secured to the bracket. In this scheme, because drive wheel 33 one end can swing, made things convenient for packing into of test tube to take out.
In order to further facilitate the loading and unloading operations of the test tubes, the present invention preferably provides an elastic member 6, as shown in fig. 3 and 5. Specifically, the inert shaft is divided into an upper part and a lower part by the cylindrical pin, an elastic component is arranged on the upper part, the elastic component applies thrust to the upper part of the inert shaft towards the direction of the test tube, and the driving wheel is far away from the test tube under the lever action, so that the test tube is convenient to load and take out. The elastic component can be a compressed spring, after the test tube is rotated, compression constraint of the spring is removed, the spring applies thrust to the upper portion of the inert shaft, the driving wheel is far away from the test tube and then is replaced with a new test tube, after the replacement is completed, the compression constraint of the spring is recovered, the spring is retracted, the inert shaft is in a state capable of freely swinging, and the control method can be controlled through software.
For the driving part to drive the transmission part to rotate and swing, the driving part can be arranged according to the principle of a crank rocker mechanism, but the structure is complex. Preferably, the present invention provides a preferred embodiment of the driving part as shown in fig. 6, the driving part including: motor 21 and with motor rotation axis one end complex cam 22, the motor drive the cam rotates, the drive wheel is in the drive of cam rotates and swings to test tube one side, with the test tube tangent in the second tangent point.
When the convex surface of cam was towards the drive wheel, the drive wheel inclined towards the test tube side, and test tube rotary device was in the state of pressing from both sides tight test tube this moment, can't take out the test tube. Therefore, it is preferable that a sensing mechanism be provided to control the stop timing during the rotation of the cam. When the device stops, the concave surface of the cam is just opposite to the driving wheel. A preferred embodiment of a sensing mechanism provided by the present invention is shown in fig. 6, wherein the sensing mechanism 7 comprises: a baffle plate 71 fixed with the other end (the end far away from the cam) of the rotating shaft of the motor, and a transmitter 72 fixed on the bracket and transmitting signals towards the direction of the baffle plate, wherein the transmitter is fixed on the bracket through a fixing plate 73; the blocking piece is driven by the motor to synchronously rotate with the cam and periodically block signals transmitted by the transmitter. For example: the position of the baffle plate which just blocks the signal transmitted by the transmitter corresponds to the position of the concave surface of the cam which is just opposite to the driving wheel, and when the sensor records that the cam rotates for 2 circles, the motor is controlled to stop rotating through software. The specific number of the rotation cycles of the cam in one cycle is determined according to the structural design of the cam, so that the test tube can rotate for more than one cycle in one cycle of the rotation of the control cam.
Preferably, a preferred embodiment of the limiting part of the test tube rotating mechanism of the present invention is shown in fig. 7. Spacing portion includes two bearings 41 that are fixed in on the support, two the bearing is tangent in two with the test tube first tangent point. Specifically, two vertical shafts 42 are provided on the bracket, and then the bearings are fixed to the vertical shafts.
Preferably, the distance between two bearings is adjustable, specifically can set up a slide 11 on the support, and two vertical axes pass through the fix with screw in the slide, can be through adjusting the distance between the vertical axis like this, let this test tube rotary mechanism adapt to the test tube of different pipe diameters.
The invention also provides a preferred embodiment of the test tube rotating code scanning device, which is shown in fig. 1, and on the basis of the test tube rotating mechanism in any scheme, a base 8 fixed with the bracket and a scanner 9 fixed on the base are arranged, wherein a scanning window of the scanner is aligned with the side surface of the test tube and used for scanning a bar code attached to the test tube. This sign indicating number device is swept in rotation of test tube has not only realized sweeping the sign indicating number automatically, convenient to use, simple structure moreover, and test tube rotation reliability is high. Preferably, still be provided with transmission track 81 on the base for with the test tube transmission to spacing department. Specifically, each time one test tube is scanned, the test tube rack moves by the distance of one test tube position (the distance of the adjacent test tube axes) so as to perform scanning of the next test tube.
In conclusion, the test tube rotating mechanism and the test tube rotating code scanning device are provided by the invention, the test tube rotating mechanism is convenient to use and simple in structure, the test tube is fixed by the three tangent points, a certain clamping force is formed on the test tube, the friction force between the transmission part and the test tube is increased, the test tube can rotate, and the problem that the test tube cannot rotate due to the fact that the test tube slides with the transmission part due to too small friction force is avoided. Furthermore, the invention also provides a preferred embodiment of the transmission part, the driving part and the limiting part, so that the test tube rotating mechanism not only can facilitate the loading and the taking out of test tubes, but also can adapt to test tubes with different tube diameters. In addition, the invention also optimizes the working mechanism of the test tube rotating mechanism by arranging a sensor to control the rotation of the cam of the driving part. On the basis of the test tube rotating mechanism, the invention also provides a test tube rotating code scanning device, which realizes automatic rotation of the test tube and code scanning.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (9)
1. A test tube rotation mechanism, comprising: the device comprises a bracket, a driving part, a transmission part and a limiting part, wherein the driving part, the transmission part and the limiting part are respectively fixed on the bracket, and the axes of the driving part, the transmission part and the limiting part are all in the vertical direction; the limiting part and the test tube are tangent to two first tangent points, the transmission part and the test tube are tangent to a second tangent point, the second tangent point and the two first tangent points are positioned on the same horizontal plane and are connected to form an isosceles triangle, and the second tangent point is positioned at the vertex angle of the isosceles triangle;
the transmission part is driven by the driving part to rotate, the test tube is rubbed at the second tangent point, the test tube is driven to rotate under the action of friction force, and the limiting part is rubbed through the first tangent point to drive the limiting part to rotate;
the transmission part comprises a cylindrical pin fixed on the bracket, an inertia shaft which is matched with the cylindrical pin and can swing towards the test tube by taking the cylindrical pin as a rotation center, and a transmission wheel which is sleeved on the inertia shaft and can rotate freely, wherein a gap is formed between the transmission wheel and the test tube; the drive wheel is in the drive of drive division is rotated down and is swung to test tube one side, tangent with the test tube in the second tangent point.
2. The test tube rotating mechanism according to claim 1, wherein the inert shaft is provided with a through hole perpendicular to the axial direction, and the cylindrical pin passes through the through hole and serves as a rotation center of the inert shaft for swinging.
3. The test tube rotating mechanism according to claim 2, wherein the inert shaft is divided into an upper part and a lower part by the cylindrical pin, the upper part is provided with an elastic component, and the lower part is sleeved with the driving wheel;
the elastic component applies thrust to the upper part of the inert shaft towards the direction of the test tube, and the driving wheel is far away from the test tube under the lever action.
4. The test tube rotating mechanism according to claim 1, wherein the driving section comprises: the motor and with motor rotation axis one end complex cam, the motor drive the cam rotates, the drive wheel is in the drive of cam is down rotated and is swung to test tube one side, with the test tube tangent in the second tangent point.
5. The cuvette rotation mechanism according to claim 4, further comprising a sensing mechanism comprising: the device comprises a blocking piece fixed with the other end of the motor rotating shaft and a transmitter fixed on a support and transmitting signals towards the blocking piece;
the blocking piece is driven by the motor to keep synchronous rotation with the cam, and periodically blocks signals transmitted by the transmitter.
6. The test tube rotating mechanism according to claim 1, wherein the limiting portion comprises two bearings fixed on the bracket, and the two bearings and the test tube are tangent to the two first tangent points.
7. Test tube rotation mechanism according to claim 6, characterized in that the distance between the two bearings is adjustable.
8. A test tube rotary code scanning device is characterized by comprising the test tube rotary mechanism according to any one of claims 1 to 7, a base fixed with the support and a scanner fixed on the base, wherein a scanning window of the scanner is aligned with the side surface of a test tube and used for scanning a bar code attached to the test tube.
9. The test tube rotating code scanning device according to claim 8, wherein a conveying track is further arranged on the base for conveying the test tube to the limiting part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129130.3A CN108268809B (en) | 2018-02-08 | 2018-02-08 | Test tube rotary mechanism and test tube rotary code scanning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129130.3A CN108268809B (en) | 2018-02-08 | 2018-02-08 | Test tube rotary mechanism and test tube rotary code scanning device |
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| CN108268809A CN108268809A (en) | 2018-07-10 |
| CN108268809B true CN108268809B (en) | 2020-12-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682984A (en) * | 2018-12-29 | 2019-04-26 | 迈克医疗电子有限公司 | Flowing water line scanning device |
| CN109530248B (en) * | 2019-02-21 | 2019-05-31 | 烟台艾德康生物科技有限公司 | A kind of medical transmission equipment of achievable rotation barcode scanning |
| CN111667031A (en) * | 2019-03-06 | 2020-09-15 | 东软威特曼生物科技（沈阳）有限公司 | Test tube bar code reading device, in-vitro diagnosis equipment and bar code reading control method |
| CN112014271A (en) * | 2019-05-30 | 2020-12-01 | 深圳市帝迈生物技术有限公司 | Blood cell analysis equipment, automatic blood sample blending device and automatic blood sample blending method |
| CN112149437A (en) * | 2020-05-29 | 2020-12-29 | 宁波美康盛德生物科技有限公司 | Test tube rotary mechanism and test tube rotary code scanning device |
| CN113371463B (en) * | 2021-06-03 | 2022-11-11 | 北京慧荣和科技有限公司 | Test tube screw capping device |
| CN114955512B (en) * | 2022-05-27 | 2023-09-29 | 中元汇吉生物技术股份有限公司 | Test tube rotating mechanism and assembly line sample conveying system |
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| CN1680967A (en) * | 2004-04-05 | 2005-10-12 | 株式会社Ids | Bar code reading device |
| JP2005310050A (en) * | 2004-04-26 | 2005-11-04 | Ids Co Ltd | Bar-code reader for test tube |
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