CN220983324U - Quick-change type linear needle inserting structure - Google Patents
Quick-change type linear needle inserting structure Download PDFInfo
- Publication number
- CN220983324U CN220983324U CN202322199044.9U CN202322199044U CN220983324U CN 220983324 U CN220983324 U CN 220983324U CN 202322199044 U CN202322199044 U CN 202322199044U CN 220983324 U CN220983324 U CN 220983324U
- Authority
- CN
- China
- Prior art keywords
- transmission
- needle
- needling
- sleeve
- quick
- Prior art date
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 238000001467 acupuncture Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000009950 felting Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Finger-Pressure Massage (AREA)
Abstract
The utility model provides a quick-change type straight needle feeding structure which has good sealing performance, simple steps of changing needles and can quickly change the needles. The device comprises a needling shell, wherein one end of the needling shell stretches into testing equipment and is provided with a needling needle, the other end of the needling shell is connected with a driving mechanism, the driving mechanism comprises a transmission case, a speed reducer and a servo motor, a transmission hollow rotating shaft is arranged in the transmission case, one end of the transmission hollow rotating shaft is connected with the speed reducer, and a telescopic transmission shaft is arranged in the transmission hollow rotating shaft, and the device is characterized in that: the other end of the transmission hollow rotating shaft is connected with a rod sleeve, a transmission screw and a transmission nut matched with the transmission screw are arranged in the rod sleeve, one end of the transmission screw is fixedly connected with a telescopic transmission shaft, the other end of the transmission screw extends into the needling shell and is connected with a needling installation seat through a screw, the installation end of the needling installation seat is sleeved with a bullet sleeve quick-change connector, and the needling installation seat and the bullet sleeve quick-change connector are respectively connected with a needling needle and a bullet sleeve.
Description
Technical Field
The utility model relates to the technical field of lithium battery product detection, in particular to a quick-change type linear needle inserting structure.
Background
At present, most test equipment adopts a needle inserting mode, and an electric push rod stretches to drive a puncture needle to conduct linear motion. In the case of a lithium battery, a short-circuit explosion may occur in the battery when the battery is subjected to a needle punching failure test, and thus the test needs to be performed in a sealed pressure-resistant can. Considering the limited space inside the equipment and the durability of the electric push rod, the electric push rod needs to be arranged on the outer side of the test tank body. When the electric putter is moving in the long distance, because the atress is crooked, cause the leakage of moving sealed department easily, seal effective period is short, needs to change the sealing washer often, leads to sealing performance poor. For lithium batteries with different specifications, the puncture needles with different specifications are required to be used, and the conventional puncture detection equipment needs to disassemble a plurality of parts of the equipment when the puncture needles are replaced, so that the step of replacing the puncture needles is complicated, and the speed of replacing the puncture needles is low.
Disclosure of Invention
Aiming at the defects of poor sealing performance and low speed of replacing the puncture needle of the traditional linear needle feeding structure, the utility model provides the quick-change linear needle feeding structure which has good sealing performance and simple step of replacing the puncture needle, and can quickly replace the puncture needle.
The utility model provides a quick change formula straight line needle structure of advancing, its includes the acupuncture casing, acupuncture casing one end stretches into in the test equipment and installs the felting needle, actuating mechanism is connected to the acupuncture casing other end, actuating mechanism includes transmission case, speed reducer and servo motor, install the hollow rotation axis of transmission in the transmission case, the hollow rotation axis one end of transmission is connected the speed reducer, be equipped with telescopic transmission shaft in the hollow rotation axis of transmission, its characterized in that: the needle is characterized in that the other end of the hollow rotating shaft is connected with a rod sleeve, a driving screw and a driving nut matched with the driving screw are arranged in the rod sleeve, one end of the driving screw is fixedly connected with the telescopic driving shaft, the other end of the driving screw stretches into the needle casing and is connected with a needle mounting seat through a screw, a spring sleeve quick-change connector is sleeved at the mounting end of the needle mounting seat, the needle mounting seat and the spring sleeve quick-change connector are respectively connected with a needle and a spring sleeve, a first sealing ring and a positioning lubrication shaft sleeve are arranged at the joint of the driving hollow rotating shaft and the rod sleeve, and a second sealing ring is arranged at the joint of the rod sleeve and the needle casing.
It is further characterized by:
the joint of the transmission screw and the needling installation seat is provided with a bearing through a bearing installation assembly, and a guide sleeve is arranged outside the bearing installation assembly;
the first sealing ring is arranged on the inner wall of the rod sleeve, and the second sealing ring is arranged on the outer wall of the rod sleeve;
the battery to be tested is clamped on the positioning clamp, and the guide sleeve and the puncture needle extend into the positioning clamp.
Compared with the prior art, in the structure, the transmission screw rod cannot be stressed and bent in the process of puncturing the battery by the aid of the rod sleeve, so that the sealing performance is guaranteed; the arrangement of the first sealing ring at the joint of the hollow rotating shaft and the rod sleeve and the second sealing ring at the joint of the rod sleeve and the needling shell further ensures the sealing performance and improves the sealing effective period; the setting of acupuncture mount pad, bullet cover quick change joint and bullet cover makes only need pull out contact pin head and bullet cover and can accomplish the change when changing the acupuncture, has simplified the change step of acupuncture, has improved the speed of changing the acupuncture.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Detailed Description
See fig. 1, a quick change formula straight line advances needle structure, it includes acupuncture casing 1, acupuncture casing 1 one end stretches into in the test equipment 2 and installs the felting needle 3, actuating mechanism is connected to acupuncture casing 1 other end, actuating mechanism includes transmission case 4, speed reducer 5 and servo motor 6, install the hollow rotation axis 7 of transmission in the transmission case 4, the speed reducer 5 is connected to hollow rotation axis 7 one end, the other end is connected pole cover 9, be equipped with telescopic transmission shaft 8 in the hollow rotation axis 7 of transmission, be equipped with drive screw 10 and with drive screw 10 complex drive nut 17 in the hollow rotation axis 7 pole cover 9, pole cover 9 is driven screw 10 its protection and supporting role, guarantee that drive screw 10 can not buckle and warp. One end of the transmission screw 10 is fixedly connected with the telescopic transmission shaft 8, the other end of the transmission screw extends into the needling shell 1 and is connected with the needling installation seat 15 through a screw, the installation end of the needling installation seat 15 is sleeved with the elastic sleeve quick-change connector 13, the needling installation seat 15 and the elastic sleeve quick-change connector 13 are respectively connected with the puncture needle 3 and the elastic sleeve 14, the joint of the transmission hollow rotating shaft 7 and the rod sleeve 9 is provided with a first sealing ring 11 and a positioning lubrication shaft sleeve, the joint of the rod sleeve 9 and the needling shell 1 is provided with a second sealing ring 12, the first sealing ring 11 is arranged on the inner wall of the rod sleeve 9, the second sealing ring 12 is arranged on the outer wall of the rod sleeve 9, the joint of the hollow rotating shaft 7 and the rod sleeve 9 and the joint of the rod sleeve 9 with the needling shell 1 are respectively sealed, and the sealing position is comprehensive; the joint of the drive screw 10 and the needling mount 15 is provided with a bearing 22 through the bearing mounting assembly 16, so that the drive screw 10 and the needling mount 15 rotate more smoothly, and a guide sleeve 18 is arranged outside the bearing mounting assembly 16. The battery 21 to be tested is clamped on the positioning fixture 20, the guide sleeve 18 and the puncture needle 3 extend into the positioning fixture 20, and the guide sleeve 18 and the positioning fixture 20 play a role in guiding and positioning, so that the puncture position of the puncture needle 3 is accurate, and the operation is stable.
During needling, the servo motor 6 works, the hollow rotating shaft 7 is transmitted to the transmission through the speed reducer 5, the hollow rotating shaft 7 rotates synchronously, the hollow rotating shaft 7 drives the rod sleeve 9 to rotate, the transmission screw 10 also rotates under the cooperation of the transmission nut 17, and the transmission screw 10 and the telescopic transmission shaft 8 are fixedly connected, so that the transmission screw 10 and the telescopic transmission shaft 8 axially move and drive the needling 33 to move, and the needling 3 is guided by the guide sleeve 18 and the positioning clamp 20 to pierce the battery 21 to be tested to finish needling test operation.
Aiming at the batteries 21 to be tested with different types, the replacement can be completed by only pulling out the insertion needle 3 and the elastic sleeve 14 when the puncture needle 3 with different types is replaced, thereby being convenient and quick.
Claims (4)
1. The utility model provides a quick change formula straight line needle structure of advancing, its includes the acupuncture casing, acupuncture casing one end stretches into in the test equipment and installs the felting needle, actuating mechanism is connected to the acupuncture casing other end, actuating mechanism includes transmission case, speed reducer and servo motor, install the hollow rotation axis of transmission in the transmission case, the hollow rotation axis one end of transmission is connected the speed reducer, be equipped with telescopic transmission shaft in the hollow rotation axis of transmission, its characterized in that: the needle is characterized in that the other end of the hollow rotating shaft is connected with a rod sleeve, a driving screw and a driving nut matched with the driving screw are arranged in the rod sleeve, one end of the driving screw is fixedly connected with the telescopic driving shaft, the other end of the driving screw stretches into the needle casing and is connected with a needle mounting seat through a screw, a spring sleeve quick-change connector is sleeved at the mounting end of the needle mounting seat, the needle mounting seat and the spring sleeve quick-change connector are respectively connected with a needle and a spring sleeve, a first sealing ring and a positioning lubrication shaft sleeve are arranged at the joint of the hollow rotating shaft and the rod sleeve, and a second sealing ring is arranged at the joint of the rod sleeve and the needle casing.
2. The quick-change linear needle insertion structure according to claim 1, wherein: the connection part of the transmission screw and the needling installation seat is provided with a bearing through a bearing installation assembly, and a guide sleeve is arranged outside the bearing installation assembly.
3. A quick change linear needle insertion structure according to claim 1 or 2, characterized in that: the first sealing ring is arranged on the inner wall of the rod sleeve, and the second sealing ring is arranged on the outer wall of the rod sleeve.
4. A quick change linear needle insertion structure according to claim 2, wherein: the battery to be tested is clamped on the positioning clamp, and the guide sleeve and the puncture needle extend into the positioning clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322199044.9U CN220983324U (en) | 2023-08-16 | 2023-08-16 | Quick-change type linear needle inserting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322199044.9U CN220983324U (en) | 2023-08-16 | 2023-08-16 | Quick-change type linear needle inserting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220983324U true CN220983324U (en) | 2024-05-17 |
Family
ID=91061665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322199044.9U Active CN220983324U (en) | 2023-08-16 | 2023-08-16 | Quick-change type linear needle inserting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220983324U (en) |
-
2023
- 2023-08-16 CN CN202322199044.9U patent/CN220983324U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |