CN220243610U - Mechanical claw bottle returning mechanism - Google Patents
Mechanical claw bottle returning mechanism Download PDFInfo
- Publication number
- CN220243610U CN220243610U CN202321906949.9U CN202321906949U CN220243610U CN 220243610 U CN220243610 U CN 220243610U CN 202321906949 U CN202321906949 U CN 202321906949U CN 220243610 U CN220243610 U CN 220243610U
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- Prior art keywords
- clamping
- needle
- frame
- assembly
- injection
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- 210000000078 claw Anatomy 0.000 title abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 68
- 239000007924 injection Substances 0.000 claims abstract description 68
- 238000012360 testing method Methods 0.000 claims abstract description 44
- 238000000605 extraction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 15
- 238000007599 discharging Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a mechanical claw bottle returning mechanism, which comprises: a frame; an injection assembly arranged on the frame, wherein the injection assembly comprises an injection needle and a first driving assembly for driving the injection needle to longitudinally move, and the injection needle device is arranged below the first driving assembly; the clamping assembly is arranged on the rack and comprises a group of symmetrically arranged clamping handles and a second driving assembly for driving the two clamping handles to synchronously clamp and move; according to the utility model, the clamping assembly is arranged, so that the closed test tube can be clamped before injection, and then the closed test tube is released after the injection needle is extracted, and when the injection needle is extracted by the needle mounting machine, the test tube can resist the friction force of the injection needle during extraction by the clamping assembly, so that the state of the test tube is stabilized.
Description
Technical Field
The utility model relates to a mechanical claw bottle returning mechanism, and belongs to the technical field of machinery.
Background
The needle loader is a device for injecting reagent liquid into a sealed test tube, and realizes accurate injection of the liquid through an injection needle. In the fields of scientific research, medical diagnosis, chemical experiments and the like, needle mounting machines are widely applied to the working procedures of liquid sample treatment, reagent preparation, reaction and the like.
Needle mounters typically consist of an injection needle and a liquid control system. During use, an operator places the test tube on the needle machine and sets parameters such as volume and speed of the injected liquid. Then, the injection needle is inserted into the sealing cap of the test tube, the liquid is injected into the test tube according to the set parameters, and the injection needle is pulled out after the injection is completed.
When the existing needle mounting machine pulls out the injection needle, the test tube is usually subjected to friction force of the injection needle, so that the test tube is subjected to uncontrolled displacement along with the movement of the injection needle.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a mechanical claw bottle returning mechanism so as to solve the problems in the prior art.
In order to achieve the above object, the present utility model is realized by the following technical scheme:
a gripper bottle-returning mechanism comprising: a frame;
an injection assembly arranged on the frame, wherein the injection assembly comprises an injection needle and a first driving assembly for driving the injection needle to longitudinally move, and the injection needle device is arranged below the first driving assembly;
the clamping assembly is arranged on the rack and comprises a group of symmetrically arranged clamping handles and a second driving assembly for driving the two clamping handles to synchronously clamp and move;
the injection needle is characterized in that a clamping part is arranged below the clamping handle, the injection needle is located at the middle position of the two clamping parts, a closed test tube is clamped between the two clamping parts, and the closed test tube is located under the injection needle.
The control module is electrically connected with the first driving assembly and the second driving assembly.
As a further improvement, the injection assembly comprises a needle frame for fixing the injection needle and a catheter inserted in the frame, and the lower part of the catheter is fixedly connected with the top of the needle frame.
As a further improvement, the first driving component comprises an electric push rod fixedly arranged on the frame, and the lower end of the electric push rod is fixedly connected with the top of the needle frame.
As a further improvement, the second driving assembly comprises a motor and a gear arranged at the output end of the motor, guide plates below the machine frame are symmetrically provided with a group of guide grooves below, the upper ends of the clamping handles are slidably inserted in the guide grooves, tooth grooves are formed in the inner sides above the clamping handles, and the tooth grooves of the two clamping handles are meshed with the gear.
As a further improvement, the inner side of the clamping part is internally provided with a V-shaped groove.
As a further improvement, the device further comprises a pressure sensor, wherein the pressure sensor is arranged on the inner side of the clamping part and is electrically connected with the control module.
The beneficial effects of the utility model are as follows:
the clamping assembly is arranged, so that the closed test tube can be clamped before injection, and the closed test tube is released after the injection needle is extracted, and the method specifically comprises the following steps: after the closed test tube is placed under the injection needle, a clamping signal is sent towards the second driving assembly through the output end of the control module, the second driving assembly controls the two clamping handles to synchronously approach towards the closed test tube until the closed test tube is clamped, and after the clamping is completed, the clamping completion signal is fed back to the control module through the output end of the second driving assembly, so that the clamping step is completed;
the output end of the control module sends a needle-discharging signal to the first control assembly, the first control assembly controls the injection needle to vertically move downwards until the liquid outlet part of the needle head is inserted into the middle part of the sealed test tube, and the output end of the first drive assembly feeds back the signal of needle-discharging completion to the control module to complete the needle-discharging step;
after the injection of the liquid is finished through the injection needle, the output end of the control module sends a needle retracting signal to the first control assembly, the first control assembly controls the injection needle to vertically move upwards until the liquid outlet part of the needle head is pulled out of the closed test tube and reset, and the signal of needle retracting completion is fed back to the control module through the output end of the first driving assembly to finish the needle retracting step;
and the output end of the control module sends a release signal to the second driving assembly, the second driving assembly controls the two clamping handles to be far away from the closed test tube until reset, and after release is finished, the release signal is fed back to the control module through the output end of the second driving assembly to finish the release step.
When the needle is pulled out, the needle loading machine enables the test tube to resist the friction force of the needle when the needle is pulled out by means of the clamping component, and then the state of the test tube is stabilized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a bottle returning mechanism with a mechanical claw.
Fig. 2 is a schematic view of a clamping state structure of a clamping assembly according to the present utility model.
Fig. 3 is a schematic view showing a released state structure of the clamping assembly according to the present utility model.
Fig. 4 is a schematic view of a partially enlarged structure at a in fig. 1.
Fig. 5 is a bottom view of a guide plate of the present utility model.
FIG. 6 is a control diagram of a gripper bottle returning mechanism module according to the present utility model.
1. A frame; 2. an injection assembly; 21. an injection needle; 3. the clamping assembly clamps the handle; 31. a clamping handle; 311. a clamping part; 4. closing the test tube; 5. a control module; 22. a needle holder; 23. a conduit; 24. an electric push rod; 32. a motor; 33. a gear 11, a guide plate; 111. a guide groove; 3111. a V-shaped groove; 6. a pressure sensor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Needle mounters typically consist of an injection needle and a liquid control system. During use, an operator places the test tube on the needle machine and sets parameters such as volume and speed of the injected liquid. Then, the injection needle is inserted into the sealing cap of the test tube, the liquid is injected into the test tube according to the set parameters, and the injection needle is pulled out after the injection is completed. When the existing needle mounting machine pulls out the injection needle, the test tube is usually subjected to friction force of the injection needle, so that the test tube is subjected to uncontrolled displacement along with the movement of the injection needle.
Referring to fig. 1-6, a gripper bottle-returning mechanism includes,
a frame 1;
an injection assembly 2 arranged on the frame 1, wherein the injection assembly 2 comprises an injection needle 21 and a first driving assembly for driving the injection needle 21 to longitudinally move, and the injection needle 21 is arranged below the first driving assembly;
the clamping assembly is arranged on the frame 1 and comprises a group of symmetrically arranged clamping handles 31 and a second driving assembly for driving the two clamping handles 31 to synchronously clamp and move;
the clamping handle 31 below is equipped with clamping part 311, injection needle 21 is located two clamping part 311 centre positions, two between the clamping part 311 clamp sealed test tube 4, sealed test tube 4 is located injection needle 21 directly under.
The control module 5 is electrically connected with the first driving assembly and the second driving assembly.
When the clamping device is used, after the closed test tube 4 is placed under the injection needle 21, the output end of the control module 5 sends a clamping signal to the second driving assembly, the second driving assembly controls the two clamping handles 31 to synchronously approach the closed test tube 4 until the closed test tube 4 is clamped, and after the clamping is finished, the output end of the second driving assembly feeds back the clamping signal to the control module 5 to finish the clamping step;
the output end of the control module 5 sends a needle-setting signal to the first control component, the first control component controls the injection needle 21 to vertically move downwards until the liquid outlet part of the needle head is inserted into the middle part of the sealed test tube 4, and the signal of needle-setting completion is fed back to the control module 5 through the output end of the first drive component to complete the needle-setting step;
after the injection of the liquid is finished through the injection needle 21, the output end of the control module 5 sends a needle retracting signal to the first control component, the first control component controls the injection needle 21 to vertically move upwards until the liquid outlet part of the needle head is pulled out of the closed test tube 4 and reset, and the signal of needle retracting completion is fed back to the control module 5 through the output end of the first driving component to finish the needle retracting step;
the output end of the control module 5 sends a release signal to the second driving assembly, the second driving assembly controls the two clamping handles 31 to be far away from the closed test tube 4 until reset, and after release is completed, the release completion signal is fed back to the control module 5 through the output end of the second driving assembly to complete the release step.
The injection assembly 2 comprises a needle frame 22 for fixing the injection needle 21 and a guide tube 23 inserted on the stand 1, wherein the lower part of the guide tube 23 is fixedly connected with the top of the needle frame 22. Wherein the conduit 23 is connected to an external reservoir for drawing external fluid into the needle 21 on the needle holder 22. Inside the needle holder 22 is also mounted a solenoid valve (not shown in the figures) for controlling the injection metering of the injection needle 21.
The first driving assembly comprises an electric push rod 24 fixedly arranged on the frame 1, and the lower end of the electric push rod 24 is fixedly connected with the top of the needle frame 22. The electric push rod 24 is electrically connected with the control module 5, and the electric push rod 24 is fixedly locked on the frame 1 through bolts.
In use, the needle holder 22 is driven by the electric push rod 24 to vertically lift and lower, so that the injection needle 21 can realize lifting and lowering movement.
The second driving assembly comprises a motor 32 and a gear 33 arranged at the output end of the motor 32, a guide plate 11 is arranged below the frame 1, a group of guide grooves 111 are symmetrically arranged below the guide plate 11, the upper end of the clamping handle 31 is slidably inserted into the guide grooves 111, tooth grooves are formed in the inner side above the clamping handle 31, and the tooth grooves of the two clamping handles 31 are meshed with the gear 33. Wherein the motor 32 is a reversible motor 32.
When the motor 32 rotates forward, the driving gear 33 rotates clockwise, and the two clamping handles 31 can move inwards and oppositely through the cooperation of the gear 33 and the tooth grooves on the inner side surfaces above the clamping handles 31, so that the clamping parts 311 below the clamping handles 31 are gradually close to each other to clamp the sealed test tube.
When the motor 32 rotates reversely, the driving gear 33 rotates anticlockwise, and the two clamping handles 31 can move outwards and oppositely by matching the gear 33 with the tooth slot on the inner side surface above the clamping handles 31, so that the clamping part 311 below the clamping handles 31 is gradually far away, and the sealed test tube is released.
Since the sealed test tube is generally cylindrical, sideslip is likely to occur during clamping, and a V-shaped groove 3111 is provided inward of the clamping portion 311. The V-shaped groove 3111 can be used for stably clamping a test tube when the test tube is sealed in a fitting manner.
And the pressure sensor 6 is arranged on the inner side of the clamping part 311, and the pressure sensor 6 is electrically connected with the control module 5. Since the sealing test tube is usually made of glass, the brittleness is high, and the clamping pressure can be precisely controlled by arranging the pressure sensor 6 inside the V-shaped groove 3111 on the clamping portion 311.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a gripper bottle returning mechanism which characterized in that includes:
a frame (1);
an injection assembly (2) arranged on the frame (1), wherein the injection assembly (2) comprises an injection needle (21) and a first driving assembly for driving the injection needle (21) to longitudinally move, and the injection needle (21) is arranged below the first driving assembly;
the clamping assembly is arranged on the frame (1) and comprises a group of symmetrically arranged clamping handles (31) and a second driving assembly for driving the two clamping handles (31) to synchronously clamp and move;
the utility model discloses a syringe, including syringe, syringe needle, clamping lever (31) below is equipped with clamping part (311), syringe needle (21) are located two clamping part (311) centre position, two the centre gripping has sealed test tube (4) between clamping part (311), sealed test tube (4) are located syringe needle (21) below.
2. The gripper bottle-returning mechanism of claim 1, wherein: the device further comprises a control module (5), wherein the control module (5) is electrically connected with the first driving assembly and the second driving assembly.
3. The gripper bottle-returning mechanism of claim 1, wherein: the injection assembly (2) comprises a needle frame (22) for fixing the injection needle (21) and a guide pipe (23) inserted on the frame (1), and the lower part of the guide pipe (23) is fixedly connected with the top of the needle frame (22).
4. The gripper bottle-returning mechanism of claim 1, wherein: the first driving assembly comprises an electric push rod (24) fixedly arranged on the frame (1), and the lower end of the electric push rod (24) is fixedly connected with the top of the needle frame (22).
5. The gripper bottle-returning mechanism of claim 1, wherein: the second driving assembly comprises a motor (32), a gear (33) arranged at the output end of the motor (32), a guide plate (11) arranged below the frame (1), a group of guide grooves (111) are symmetrically arranged below the guide plate (11), the upper end of the clamping handle (31) is slidably inserted into the guide grooves (111), tooth grooves are formed in the inner side of the upper part of the clamping handle (31), and the tooth grooves of the two clamping handles (31) are meshed with the gear (33).
6. The gripper bottle-returning mechanism of claim 1, wherein: a V-shaped groove (3111) is formed inward at the inner side of the clamping part (311).
7. The gripper bottle-returning mechanism of claim 1, wherein: the device further comprises a pressure sensor (6), wherein the pressure sensor (6) is arranged on the inner side of the clamping part (311), and the pressure sensor (6) is electrically connected with the control module (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321906949.9U CN220243610U (en) | 2023-07-19 | 2023-07-19 | Mechanical claw bottle returning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321906949.9U CN220243610U (en) | 2023-07-19 | 2023-07-19 | Mechanical claw bottle returning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220243610U true CN220243610U (en) | 2023-12-26 |
Family
ID=89226497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321906949.9U Active CN220243610U (en) | 2023-07-19 | 2023-07-19 | Mechanical claw bottle returning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220243610U (en) |
-
2023
- 2023-07-19 CN CN202321906949.9U patent/CN220243610U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |