CN211168856U - Freezing tube taking and placing mechanism - Google Patents
Freezing tube taking and placing mechanism Download PDFInfo
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- CN211168856U CN211168856U CN201922030008.3U CN201922030008U CN211168856U CN 211168856 U CN211168856 U CN 211168856U CN 201922030008 U CN201922030008 U CN 201922030008U CN 211168856 U CN211168856 U CN 211168856U
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- pipe
- screw rod
- base
- speed reducer
- cold
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Abstract
The utility model discloses a frozen pipe taking and placing mechanism, which comprises a driving mechanism, a cold guide pipe, a liquid storage cylinder and a base; the driving mechanism is used for taking out and transferring the freezing and storing tube; the cold guide pipe is sleeved on an actuator of the driving mechanism, and the liquid storage cylinder is sleeved on the cold guide pipe; wherein, one end of the cold guide pipe is fixed on the base. The utility model discloses a mechanism is got to cryopreserved pipe when using, bleeds from the lead screw in through the aspirating hole to cryopreserved pipe in the liquid nitrogen container is adsorbed on the suction head of lead screw bottom, then deposits the liquid storage cylinder and leads the cryopreserved pipe of lead screw below with air conditioning through leading the cold pipe, realizes whole cold chain to the cold insulation function of cryopreserved pipe.
Description
Technical Field
The utility model relates to a freeze and deposit pipe and get and put mechanism belongs to dark low temperature and freezes and deposits pipe access technical field.
Background
Many samples in the biological and medical fields require cryopreservation in liquid nitrogen tanks via cryopreservation tubes. When the freezing tube needs to be stored and taken from the liquid nitrogen tank, the suction head mechanism in the prior art cannot ensure that the moving freezing tube is in a low-temperature environment, so that the transferred freezing tube can be damaged.
Moreover, in the conventional suction head mechanism, it is not easy to control the lifting device of the suction head mechanism, i.e. the lifting device in the prior art is easy to frost during the process of transferring the freezing tube, so that the lifting movement becomes difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a frozen pipe is got and is put mechanism, it has solved one among the above-mentioned technical problem at least.
The utility model provides a technical problem adopt following technical scheme: a frozen tube taking and placing mechanism comprises a driving mechanism, a cold guide tube, a liquid storage cylinder and a base;
the driving mechanism is used for taking out and transferring the freezing and storing tube; the cold guide pipe is sleeved on an actuator of the driving mechanism, and the liquid storage cylinder is sleeved on the cold guide pipe;
wherein, one end of the cold guide pipe is fixed on the base.
Optionally, the driving mechanism comprises a driving device and an actuator; the driving device is used for driving the actuator to move linearly.
Optionally, the actuator is a hollow screw rod, and a suction head is formed at one end of the screw rod.
Optionally, the driving mechanism further comprises a hollow speed reducer and a nut;
the nut is sleeved on the screw rod, and the internal thread of the nut is matched with the external thread of the screw rod; the nut is fixed on an output shaft of the hollow speed reducer through a pin;
the hollow speed reducer is fixed on the base, and an output shaft of the hollow speed reducer is sleeved on the screw rod;
the driving device is fixed on the hollow speed reducer and is in transmission connection with an input shaft of the hollow speed reducer.
Optionally, the driving mechanism further comprises a guide block joint and a guide rail;
one end of the guide rail is arranged on the base, and the guide rail is arranged in parallel with the screw rod;
the guide block joint is slidably arranged on the guide rail, and the other end of the screw rod is fixed on the guide block joint; and an air exhaust hole is formed in the guide block joint and communicated with the hollow part of the screw rod.
Optionally, the axes of the output shaft of the hollow speed reducer, the lead screw and the nut are overlapped.
Optionally, an accommodating space is formed inside the base, the hollow speed reducer and the nut are both located in the accommodating space, a through hole is formed in one side wall of the base, and one end of the screw rod penetrates through the through hole.
Optionally, the frozen vial taking and placing mechanism further comprises a fixing plate, and the fixing plate is fixed on the base and covers the driving mechanism.
Optionally, the frozen vial taking and placing mechanism further comprises a sensor, and the sensor is mounted on the base and used for detecting the position of an actuator of the driving mechanism.
Optionally, a fixing piece is formed on the inner wall of the through hole, the other end of the fixing piece is a free end, an accommodating hole is formed between the fixing piece and the inner wall of the through hole, and one end of the cold conducting pipe is fixed in the inner wall of the through hole and the accommodating hole formed between the fixing pieces.
The utility model discloses following beneficial effect has: the utility model discloses a mechanism is got to cryopreserved pipe when using, bleeds from the lead screw in through the aspirating hole to cryopreserved pipe in the liquid nitrogen container is adsorbed on the suction head of lead screw bottom, then deposits the liquid storage cylinder and leads the cryopreserved pipe of lead screw below with air conditioning through leading the cold pipe, realizes whole cold chain to the cold insulation function of cryopreserved pipe.
Drawings
Fig. 1 is a schematic perspective view of a freezing tube picking and placing mechanism of the present invention;
fig. 2 is an explosion structure diagram of the freezing tube taking and placing mechanism of the present invention;
fig. 3 is a schematic structural diagram of the driving mechanism of the present invention;
fig. 4 is a schematic structural diagram of the base of the present invention;
the notation in the figures means: 1-a drive mechanism; 11-a motor; 12-a screw rod; 13-hollow speed reducer; 14-a guide rail; 15-guide block joint; 16-a nut; 17-a sensor; 18-a pin; 19-a fixing sheet; 2-a cold guide pipe; 3-a liquid storage cylinder; 4-a base; and 5, fixing a plate.
Detailed Description
The technical solution of the present invention will be further explained with reference to the following embodiments and accompanying drawings.
Example 1
This embodiment provides a frozen pipe pick and place mechanism, and it includes: the device comprises a driving mechanism 1, a cold guide pipe 2, a liquid storage cylinder 3 and a base 4.
The driving mechanism 1 is used for taking out and transferring the freezing and storing tube; the cold guide pipe 2 is sleeved on an actuator of the driving mechanism 1, and the liquid storage cylinder 3 is sleeved on the cold guide pipe 2; wherein, one end of the cold guide pipe 2 is fixed on the base 4.
In this embodiment, the driving mechanism 1 includes a motor 11, an actuator, a hollow speed reducer 13, a nut 16, and a guide block joint; the actuator is a hollow screw rod 12, and a suction head is formed at one end of the screw rod 12, so that when negative pressure is applied to the hollow screw rod 12, the suction head of the screw rod 12 can suck the cryopreserved pipe.
The nut 16 is sleeved on the screw rod 12, and the inner thread of the nut is matched with the outer thread of the screw rod 12; in this embodiment, the nut 16 is fixed to the output shaft of the hollow speed reducer 13 through a pin 18, and at this time, the output shaft of the hollow speed reducer 13 is also sleeved on the screw rod 12; preferably, the axes of the output shaft of the hollow speed reducer 13, the screw 12 and the nut 16 coincide.
The hollow speed reducer 13 is fixed on the base 4, and the motor 11 is fixed on the hollow speed reducer 13 and is in transmission connection with an input shaft of the hollow speed reducer 13.
One end of the guide rail 14 is disposed on the base 4, and the guide rail 14 is disposed in parallel with the lead screw 12, for example, the guide rail 14 and the lead screw 12 are both disposed vertically.
The guide block joint 15 is slidably arranged on the guide rail 14, and the other end of the screw rod 12 is fixed on the guide block joint 15; the guide block joint 15 is provided with an air suction hole which communicates with the hollow portion of the screw rod 12 so that air can be sucked from the hollow screw rod 12 when an air suction machine is connected to the air suction hole.
An accommodating space is formed inside the base 4, the hollow speed reducer 13 and the nut 16 are both located in the accommodating space, a through hole is formed in one side wall of the base 4, and one end of the screw rod 12 penetrates through the through hole.
In this embodiment, the mechanism further includes a fixing plate 5, and the fixing plate 5 is fixed on the base 4 and covers the driving mechanism 1, so that the mechanism can be fixed on other devices (for example, a three-axis motion platform) by mounting the fixing plate 5 on other devices when in use.
Preferably, the frozen pipe taking and placing mechanism further comprises a sensor 17, wherein the sensor 17 is mounted on the base 4 and used for detecting the position of the screw rod 12; in this embodiment, the sensor 17 may be a travel switch to control the motor to stop rotating when the guide block connector 15 on the lead screw 12 contacts the travel switch.
In this embodiment, a cavity is arranged in the liquid storage cylinder 3 and used for storing liquid nitrogen; and the cold guide pipe 2 can guide the liquid nitrogen cold air in the liquid storage cylinder to the circumferential direction of the screw rod 12, thereby ensuring that the screw rod 12 is also in a low-temperature environment.
In order to fix the cold guide pipe 2, a fixing piece 19 is formed on the inner wall of the through hole, the other end of the fixing piece 19 is a free end, a containing hole is formed between the fixing piece 19 and the inner wall of the through hole, and one end of the cold guide pipe 2 is fixed in the inner wall of the through hole and the containing hole formed between the fixing pieces 19.
The utility model discloses a mechanism is got to cryopreserved pipe when using, on being fixed in triaxial motion platform, and the action through triaxial motion platform will cryopreserved pipe and get the mechanism and remove to the liquid nitrogen tank directly over, control motor rotates this moment, thereby motor drive cavity speed reducer rotates and drives the nut through the pin and rotate, because nut and lead screw 12 threaded connection, lead screw 12 moves down along guide rail 14, when the guide block connects 15 and touches sensor 17, motor 11 stops, the start-up of outside air compressor, bleed from lead screw 12 in through the aspirating hole, thereby cryopreserved pipe in the liquid nitrogen tank is adsorbed on the suction head of lead screw 12 bottom, then deposit stock solution section of thick bamboo 3 through the cryopreserved pipe of cold pipe 2 with air conditioning direction lead screw below, realize the cold preservation function to cryopreserved pipe, realize whole cold chain.
Moreover, for realizing the quick lifting screw rod, the setting of speed reducer is convenient for control the lifting height, improves the work efficiency of the storing and taking pipe, and guarantees the full cold chain of the storing and taking process.
The sequence of the above embodiments is only for convenience of description and does not represent the advantages and disadvantages of the embodiments.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A frozen tube taking and placing mechanism is characterized by comprising a driving mechanism, a cold guide tube, a liquid storage cylinder and a base;
the driving mechanism is used for taking out and transferring the freezing and storing tube; the cold guide pipe is sleeved on an actuator of the driving mechanism, and the liquid storage cylinder is sleeved on the cold guide pipe;
wherein, one end of the cold guide pipe is fixed on the base.
2. The frozen pipe pick and place mechanism of claim 1, wherein the drive mechanism comprises a drive device and an actuator; the driving device is used for driving the actuator to move linearly.
3. The frozen pipe pick and place mechanism of claim 2, wherein the actuator is a hollow screw rod, and a suction head is formed at one end of the screw rod.
4. The frozen pipe pick and place mechanism of claim 3, wherein the drive mechanism further comprises a hollow speed reducer and a nut;
the nut is sleeved on the screw rod, and the internal thread of the nut is matched with the external thread of the screw rod; the nut is fixed on an output shaft of the hollow speed reducer through a pin;
the hollow speed reducer is fixed on the base, and an output shaft of the hollow speed reducer is sleeved on the screw rod;
the driving device is fixed on the hollow speed reducer and is in transmission connection with an input shaft of the hollow speed reducer.
5. The frozen pipe pick and place mechanism of claim 4, wherein the drive mechanism further comprises a guide block joint and a guide rail;
one end of the guide rail is arranged on the base, and the guide rail is arranged in parallel with the screw rod;
the guide block joint is slidably arranged on the guide rail, and the other end of the screw rod is fixed on the guide block joint; and an air exhaust hole is formed in the guide block joint and communicated with the hollow part of the screw rod.
6. The frozen pipe picking and placing mechanism according to claim 4, wherein the axes of the output shaft of the hollow speed reducer, the lead screw and the nut coincide.
7. The mechanism as claimed in claim 4, wherein the base has a receiving space formed therein, the hollow speed reducer and the nut are both located in the receiving space, and a through hole is formed on one side wall of the base, and one end of the screw rod passes through the through hole.
8. The vial retrieval and placement mechanism of claim 1, further comprising a retaining plate secured to the base and encasing the drive mechanism.
9. The mechanism of claim 1, further comprising a sensor mounted on said base for detecting the position of an actuator of the drive mechanism.
10. The mechanism as claimed in claim 7, wherein a fixing piece is formed on an inner wall of the through hole, the other end of the fixing piece is a free end, a receiving hole is formed between the fixing piece and the inner wall of the through hole, and one end of the cold conduction pipe is fixed in the receiving hole formed between the inner wall of the through hole and the fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030008.3U CN211168856U (en) | 2019-11-22 | 2019-11-22 | Freezing tube taking and placing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030008.3U CN211168856U (en) | 2019-11-22 | 2019-11-22 | Freezing tube taking and placing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211168856U true CN211168856U (en) | 2020-08-04 |
Family
ID=71821343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922030008.3U Active CN211168856U (en) | 2019-11-22 | 2019-11-22 | Freezing tube taking and placing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211168856U (en) |
-
2019
- 2019-11-22 CN CN201922030008.3U patent/CN211168856U/en active Active
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