CN117532302A - Automatic replacement device for helium filling nozzle of helium detector - Google Patents

Automatic replacement device for helium filling nozzle of helium detector Download PDF

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Publication number
CN117532302A
CN117532302A CN202311319494.5A CN202311319494A CN117532302A CN 117532302 A CN117532302 A CN 117532302A CN 202311319494 A CN202311319494 A CN 202311319494A CN 117532302 A CN117532302 A CN 117532302A
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CN
China
Prior art keywords
helium
clamping
cylinder
nozzle
plate
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Application number
CN202311319494.5A
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Chinese (zh)
Inventor
焦毅
朱春林
张旭
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Gotion High Tech Co Ltd
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Gotion High Tech Co Ltd
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Priority to CN202311319494.5A priority Critical patent/CN117532302A/en
Publication of CN117532302A publication Critical patent/CN117532302A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/001Article feeders for assembling machines
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G01M3/202Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material using mass spectrometer detection systems
    • G01M3/205Accessories or associated equipment; Pump constructions

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention relates to an automatic replacement device for helium injection nozzles of a helium detector, which comprises a plurality of helium injection rods, wherein the helium injection nozzles are arranged at the end parts of the helium injection rods in an interference fit manner, and the automatic replacement device for the helium injection nozzles of the helium detector comprises a replacement mechanism and a feeding mechanism; the feeding mechanism is used for feeding a plurality of unused helium injection nozzles to the replacing mechanism; the replacing mechanism is used for removing and collecting used helium injecting nozzles on the helium injecting rods and inserting unused helium injecting nozzles into the helium injecting rods respectively. According to the invention, through the mutual matching of the replacement mechanism and the feeding mechanism, the used helium injection nozzle on the helium injection rod is firstly removed through the replacement mechanism, the removed used helium injection nozzle is collected, then the unused helium injection nozzle is fed to the replacement mechanism through the feeding mechanism, and then the unused helium injection nozzle is inserted into the helium injection rod through the replacement mechanism, so that the automatic replacement of the helium injection nozzle on the helium injection rod is realized.

Description

Automatic replacement device for helium filling nozzle of helium detector
Technical Field
The invention relates to the technical field of lithium battery production, in particular to an automatic helium nozzle replacing device of a helium detector.
Background
Automotive electrodynamic technology has become the dominant trend in the world's automotive industry, and the demand for power cells continues to increase, and the global lithium ion battery market scale will continue to expand. The market prospect of the battery industry is seen for a long time by the rapid development of the application market of the novel battery technology, enterprises are accelerating the multi-element layout, the track is crowded, and the clarion of the rapid development of the industry is blowing. Under the background, reducing the production cost of the battery is an important premise for realizing the mass production of enterprises. In the production cost of the existing lithium battery, the purchase and maintenance cost of equipment is relatively high, the design of the equipment is required to be optimized, the requirement on higher production process precision is responded, and the processing, installation, debugging and operation costs of the equipment are reduced.
In the battery helium test equipment, as shown in fig. 1, a plurality of helium injection rods are generally arranged on a cover plate of a helium test box, helium injection nozzles are arranged at the end parts of the helium injection rods, the helium injection nozzles are injection molding pieces and are in interference fit with the helium injection rods, and during helium test, the helium injection nozzles of the helium injection rods are in contact with a liquid injection port of a lithium battery in a pressing manner, and helium is injected into the battery through the helium injection rods and the helium injection nozzles to test the tightness of the battery. However, after the helium injection nozzle is used for a period of time, the phenomenon of damage can occur due to frequent contact with the battery, if the helium injection nozzle cannot be replaced in time, the damaged helium injection nozzle influences the tightness when injecting helium, and when injecting helium, the helium leakage from the helium injection nozzle is mistakenly leakage of the battery, so that the product is killed, and the qualification rate is influenced. At present, a mode of manually replacing the helium filling nozzle is mainly adopted, and the common problems of difficult operation, long time consumption, equipment damage and the like are caused by limited equipment operation space and irregular operation.
Disclosure of Invention
Based on the above, the automatic helium nozzle replacing device of the helium detector is provided for solving the common problems of difficult operation, long time consumption, equipment damage and the like existing in the prior art that the helium nozzle is replaced by manual replacement.
The invention provides an automatic replacement device for helium injection nozzles of a helium detector, which comprises a plurality of helium injection rods, wherein the helium injection nozzles are arranged at the end parts of the helium injection rods in an interference fit manner, and the automatic replacement device for the helium injection nozzles of the helium detector comprises a replacement mechanism and a feeding mechanism; the feeding mechanism is used for feeding a plurality of unused helium injection nozzles to the replacing mechanism; the replacing mechanism is used for collecting used helium injecting nozzles on the helium injecting rods and inserting unused helium injecting nozzles into the helium injecting rods respectively.
As a further improvement of the scheme, the helium detector also comprises a mounting frame and a cover plate arranged on the mounting frame, wherein a plurality of helium injecting rods are arranged on the cover plate; the replacing mechanism comprises a moving module, a moving plate, a lifting piece, a plurality of clamping pieces, a plurality of material taking pieces and a recycling box; wherein:
the moving module is used for driving the moving plate to move linearly;
the lifting piece and the recovery box are both arranged on the moving plate and can move along with the movement of the moving plate, the lifting piece is used for driving the plurality of clamping pieces to move up and down in the vertical direction, and the plurality of clamping pieces are respectively used for clamping the used helium injecting nozzles on the plurality of helium injecting rods or inserting the clamped plurality of unused helium injecting nozzles into the plurality of helium injecting rods;
the material taking pieces are arranged on the cover plate and are positioned on the moving path of the moving plate, and when the moving plate moves to the positions of the material taking pieces, the material taking pieces are respectively used for taking down the used helium injecting nozzles on the material clamping pieces and transferring the used helium injecting nozzles to the recovery box.
As a further improvement of the scheme, the material clamping piece comprises a parallel clamping jaw cylinder, the parallel clamping jaw cylinder is provided with two clamping jaws, clamping plates are arranged on the two clamping jaws, and a guide rod is arranged on the parallel clamping jaw cylinder and positioned between the two clamping plates.
As a further improvement of the above-mentioned aspect of the invention, the clamping plate has an arc-shaped cross section, and the diameter of the clamping plate gradually decreases from the end close to the parallel clamping jaw cylinder to the end far from the parallel clamping jaw cylinder.
As a further improvement of the scheme of the invention, the material taking part comprises a vacuum suction pipe and a vacuum pump, wherein the vacuum suction pipe is vertically arranged on the cover plate, the top end of the vacuum suction pipe is connected with an air pipe joint, the air pipe joint is connected with the vacuum pump through a pipeline, and the vacuum pump is used for vacuumizing the vacuum suction pipe to adsorb the helium filling nozzle.
As a further improvement of the scheme, a baffle is integrally formed in the vacuum suction pipe, a plurality of concentric circles are arranged at the upper outer edge of the baffle, and each circle comprises a plurality of small holes which are distributed circumferentially and uniformly.
As a further improvement of the scheme, the lifting piece comprises a lifting cylinder and a fixed plate, the lifting cylinder is arranged on the movable plate, the fixed plate is arranged at the telescopic end of the lifting cylinder, the plurality of clamping pieces are all arranged at the top end of the fixed plate, and the recovery box is arranged at the side edge of the fixed plate.
As a further improvement of the scheme, the feeding mechanism comprises a plurality of feeding pieces, and the feeding pieces are respectively arranged in one-to-one correspondence with the clamping pieces; each feeding part comprises a storage cylinder, a first telescopic cylinder and a second telescopic cylinder; the storage cylinder is vertically arranged on the cover plate, two ends of the storage cylinder are open, and a plurality of unused helium injecting nozzles which are stacked in the vertical direction are stored in the storage cylinder; the first telescopic cylinder and the second telescopic cylinder are both arranged on the cover plate, the first stop lever and the second stop lever are respectively arranged at the telescopic ends of the first telescopic cylinder and the second telescopic cylinder, one end of the first stop lever penetrates through and stretches into the storage cylinder to stop the helium injection nozzle, the first stop lever is in clearance fit with the storage cylinder, the second stop lever is arranged at the bottom end of the storage cylinder and is used for stopping the helium injection nozzle, one helium injection nozzle is arranged between the first stop lever and the second stop lever, the first telescopic cylinder and the second telescopic cylinder are respectively provided with a first telescopic cylinder and a second telescopic cylinder which are not in a telescopic state, and when the second telescopic cylinder is in a telescopic state, the bottommost helium injection nozzle in the storage cylinder is discharged from the bottom of the storage cylinder.
As a further improvement of the above scheme of the invention, the helium detector further comprises a helium detector box body and a jacking mechanism; the helium detection box body is provided with an open cavity with an opening at the top end and used for placing the lithium battery, the helium detection box body is borne by the moving plate and can move along with the movement of the moving plate, one end of the helium detection box body in the moving direction of the moving plate is provided with a mounting plate, and the lifting piece and the recovery box are mounted on the mounting plate; the jacking mechanism is arranged below the cover plate and used for jacking the helium detection box upwards to be connected with the cover plate in a matched mode so as to seal the open cavity.
As a further improvement of the scheme, the bottom of the cover plate is provided with a sealing cover, the shape of the sealing cover is matched with the shape of the helium detection box body, the end face of the opening end of the helium detection box body can be abutted and attached with the end face of the bottom end of the sealing cover, and the end face of the bottom end of the sealing cover or the end face of the top end of the helium detection box body is provided with a sealing ring.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the mutual matching of the replacement mechanism and the feeding mechanism, the used helium injection nozzle on the helium injection rod is firstly removed through the replacement mechanism, the removed used helium injection nozzle is collected, then the unused helium injection nozzle is fed to the replacement mechanism through the feeding mechanism, and then the unused helium injection nozzle is inserted into the helium injection rod through the replacement mechanism, so that the automatic replacement of the helium injection nozzle on the helium injection rod is realized, the working efficiency is effectively improved, the labor cost is saved, the equipment damage caused by manual operation errors is effectively avoided, and the stable and efficient production of the production line is ensured.
2. The clamping piece is used for removing the used helium injection nozzle from the helium injection rod, inserting the unused helium injection nozzle into the helium injection rod, and positioning the helium injection nozzle through the guide rod when the helium injection nozzle is taken or the unused helium injection nozzle is fed to the clamping piece by the feeding mechanism, so that the helium injection nozzle can be ensured to accurately fall between the two clamping plates, and then the helium injection nozzle is clamped through the two clamping plates, so that the helium injection nozzle is prevented from falling in the moving process.
3. The material taking piece is used for taking down the used helium injection nozzle on the material clamping piece and transferring the used helium injection nozzle into the recovery box, and comprises a vacuum suction pipe and a vacuum pump, wherein the vacuum suction pipe is vacuumized to generate negative pressure so as to absorb the helium injection nozzle, and the vacuum suction pipe is broken to remove the adsorption of the helium injection nozzle so that the helium injection nozzle falls into the recovery box, thereby facilitating the operation.
Drawings
FIG. 1 is a schematic diagram of an automatic helium nozzle replacement apparatus for helium detector according to embodiment 1 of the present invention;
FIG. 2 is another view of FIG. 1;
FIG. 3 is a partial construction diagram of an automatic helium nozzle replacement apparatus for helium detector according to embodiment 1 of the present invention;
FIG. 4 is a partial block diagram of a replacement mechanism in an automatic helium nozzle replacement apparatus for helium detector according to embodiment 1 of the present invention;
FIG. 5 is a schematic diagram of a fixture in an automatic helium nozzle replacement apparatus for helium detector according to embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of a material taking part and a material feeding part in an automatic helium nozzle replacement device for a helium detector according to embodiment 1 of the present invention;
FIG. 7 is a schematic view showing the structure of a vacuum suction tube in example 1 of the present invention;
FIG. 8 is a cross-sectional view of FIG. 7;
FIG. 9 is a schematic diagram of a helium detector according to embodiment 2 of the present invention;
fig. 10 is a side view of fig. 9.
Reference numerals: 1. helium injection rod; 2. a helium filling nozzle; 3. a replacement mechanism; 31. a mobile module; 32. a moving plate; 33. a recovery box; 34. a parallel clamping jaw cylinder; 35. a clamping plate; 36. a guide rod; 37. a vacuum suction tube; 38. an air pipe joint; 39. a partition plate; 310. a lifting cylinder; 311. a fixing plate; 4. a feeding mechanism; 41. a storage cylinder; 42. a telescopic cylinder I; 43. a telescopic cylinder II; 44. a stop lever I; 45. a second stop lever; 5. a mounting frame; 6. a cover plate; 7. a helium test tank; 8. a mounting plate; 9. a sealing cover; 10. jacking the air cylinder; 11. a support rod; 12. a lithium battery.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment provides an automatic helium nozzle replacing device of a helium detector, aiming at the common problems of difficult operation, long time consumption, equipment damage and the like existing in the prior art that the helium nozzle 2 is replaced manually. Referring to fig. 1 and 2, the helium detector includes a mounting frame 5, a cover plate 6 mounted on the mounting frame 5, and a plurality of helium injection rods 1 mounted on the cover plate 6 side by side, wherein helium injection nozzles 2 are mounted at the end parts of the helium injection rods 1 in an interference fit manner. The automatic helium nozzle replacing device of the helium detector comprises a replacing mechanism 3 and a feeding mechanism 4.
Referring to fig. 3, the replacing mechanism 3 of the present embodiment includes a moving module 31, a moving plate 32, a lifting member, a plurality of clamping members, a plurality of material taking members and a recycling box 33.
The moving module 31 is used for driving the moving plate 32 to move linearly. The moving module 31 includes a base on which the moving plate 32 is slidably mounted, and a driving unit for driving the moving plate 32 to linearly reciprocate on the base.
The lifter is mounted on the moving plate 32. In this embodiment, please refer to fig. 4, the lifting member includes a lifting cylinder 310 and a fixing plate 311, and the fixing plate 311 is mounted at the telescopic end of the lifting cylinder 310.
The lifting pieces drive the plurality of clamping pieces to move up and down in the vertical direction. In this embodiment, please refer to fig. 5, the clamping member includes a parallel clamping jaw cylinder 34, the parallel clamping jaw cylinders 34 of the plurality of clamping members are mounted on the top end of the fixing plate 311 side by side, the parallel clamping jaw cylinder 34 has two clamping jaws, clamping plates 35 are mounted on the two clamping jaws, and a guide rod 36 is further disposed on the parallel air jaw cylinder at a position between the two clamping plates 35. The two clamping plates 35 can be driven to be close to or far away from each other by the action of the parallel clamping jaw air cylinder 34, the clamping plates 35 are used for clamping the helium filling nozzle 2 when being close to each other, and the clamping plates 35 are used for loosening the helium filling nozzle 2 when being far away from each other. For convenient clamping of the helium filling nozzle 2, the clamping plate 35 is a plate body with an arc-shaped section. Simultaneously, in order to clamp helium injecting nozzles 2 with different sizes, the arc-shaped diameter of the clamping plate 35 gradually decreases from one end close to the parallel clamping jaw cylinder 34 to one end far from the parallel clamping jaw cylinder 34.
Through the above structure arrangement, when the helium injection nozzle 2 on the helium injection rod 1 needs to be replaced, the moving module 31 drives the moving plate 32 to move to the position of the helium injection rod 1, the plurality of clamping pieces are respectively in one-to-one correspondence with the plurality of helium injection rods 1, and at the moment, the two clamping plates 35 of the clamping pieces are in a loosening state; then, the lifting cylinder 310 is started to drive the parallel clamping jaw cylinders 34 to move upwards, so that the guide rods 36 of the clamping pieces extend into the helium filling nozzles 2 respectively, then the parallel clamping jaw cylinders 34 shrink to drive the two clamping plates 35 to clamp the helium filling nozzles 2, and at the moment, the lifting cylinder 310 drives the clamping pieces to move downwards to reset so as to take the helium filling nozzles 2 off the helium filling rod 1.
The recovery box 33 is used to collect the used helium nozzle 2 on the helium filling rod 1. In this embodiment, the recovery box 33 is mounted on the side of the fixing plate 311.
The plurality of material taking pieces are all installed on the cover plate 6 and are located on the moving path of the moving plate 32, and when the moving plate 32 moves to the position where the plurality of material taking pieces are located, the plurality of material taking pieces are respectively used for taking down the helium injection nozzles 2 used on the plurality of material clamping pieces and transferring the used helium injection nozzles 2 to the recovery box 33. Specifically, referring to fig. 6, the take-out member includes a vacuum suction tube 37 and a vacuum pump (not shown). The vacuum suction pipe 37 is vertically installed on the cover plate 6, the top end of the vacuum suction pipe 37 is connected with an air pipe joint 38, the air pipe joint 38 is connected with a vacuum pump through a pipeline, and the vacuum pump is used for vacuumizing the vacuum suction pipe 37 to adsorb the helium filling nozzle 2. In this embodiment, referring to fig. 7-8, a partition 39 is integrally formed in the vacuum suction tube 37, and a plurality of concentric circles are disposed on the outer edge of the partition 39, each circle including a plurality of holes distributed circumferentially in a uniform direction.
Through the above structure arrangement, after the helium injecting nozzles 2 on the helium injecting rods 1 are respectively taken down by the clamping pieces, the moving module 31 drives the moving plate 32 to move to the material taking piece position, so that the clamping pieces are respectively in one-to-one correspondence with the material taking pieces; then the lifting cylinder 310 drives the plurality of clamping pieces to move upwards, so that the tops of the plurality of helium injection nozzles 2 are respectively contacted with the plurality of vacuum suction pipes 37 correspondingly, then the parallel clamping jaw cylinder 34 acts to enable the clamping plate 35 to loosen the helium injection nozzles 2, and the vacuum pump starts to vacuumize the vacuum suction pipes 37 to adsorb the helium injection nozzles 2; then the lifting cylinder 310 drives the plurality of clamping pieces to move downwards for resetting, and the helium nozzle 2 stays on the vacuum suction pipe 37; the moving module 31 drives the moving plate 32 to move, so that the recovery box 33 moves below the plurality of material taking pieces, the vacuum suction pipe 37 breaks vacuum, and the helium filling nozzle 2 falls into the recovery box 33.
The feeding mechanism 4 of the embodiment comprises a plurality of feeding pieces, and the plurality of feeding pieces are respectively arranged in one-to-one correspondence with the plurality of clamping pieces; each feeding member comprises a storage cylinder 41, a first telescopic cylinder 42 and a second telescopic cylinder 43. The storage cylinder 41 is vertically installed on the cover plate 6 with both ends open, and a plurality of unused helium injecting nozzles 2 stacked in a vertical direction are stored in the storage cylinder 41. The first telescopic cylinder 42 and the second telescopic cylinder 43 are both arranged on the cover plate 6, the first stop rod 44 and the second stop rod 45 are respectively arranged at the telescopic ends of the first telescopic cylinder 42 and the second telescopic cylinder 43, one end of the first stop rod 44 penetrates through and stretches into the helium filling nozzle 2 in the storage cylinder 41, the first stop rod 44 is in clearance fit with the storage cylinder 41, the second stop rod 45 is arranged at the bottom end of the storage cylinder 41 and is used for blocking the helium filling nozzle 2, one helium filling nozzle 2 is arranged between the first stop rod 44 and the second stop rod 45, the first telescopic cylinder 42 and the second telescopic cylinder 43 are in a stretching and shrinking state, the first telescopic cylinder 42 and the second telescopic cylinder 43 are not in a shrinking state at the same time, and when the second telescopic cylinder 43 is in a shrinking state, the bottommost helium filling nozzle 2 in the storage cylinder 41 is discharged from the bottom of the storage cylinder 41.
Through the above structure arrangement, when the used helium injecting nozzles 2 on each helium injecting rod 1 are taken down by the clamping pieces, and after the material taking pieces transfer the used helium injecting nozzles 2 on the clamping pieces to the recovery box 33, the moving module 31 drives the plurality of clamping pieces to move to the position of the feeding mechanism 4, so that the plurality of clamping pieces are respectively arranged in one-to-one correspondence with the plurality of feeding pieces; then the lifting cylinder 310 drives the plurality of clamping pieces to move upwards so that the guide rods 36 of the plurality of parallel clamping jaw cylinders 34 are inserted into helium injection nozzles 2 at the bottommost parts of the plurality of storage cylinders 41 to play a role in guiding; then the second telescopic cylinder 43 is contracted to drive the second stop lever 45 to retract, so that the helium nozzle 2 falls between the two clamping plates 35 along the guide rod 36, and then the parallel clamping jaw cylinder 34 drives the two clamping plates 35 to clamp the helium nozzle 2. Then the lifting cylinder 310 drives the plurality of clamping pieces to move downwards, and the feeding of the helium injection nozzle can be completed. After the loading is completed, the telescopic cylinder two 43 is extended again, and the telescopic cylinder one 42 is contracted so that the helium nozzle 2 in the storage cylinder 41 moves downwards by one distance of the helium nozzle 2 to prepare for the next replacement of the helium nozzle 2.
When the second telescopic cylinder 43 is in the extended state, the length of the second stop rod 45 should not exceed the central through hole of the helium nozzle 2, so as to avoid the guide rod 36 from being inserted into the helium nozzle 2.
Next, the working process of this embodiment will be described by taking the example that the helium detector is provided with 2 helium injection rods 1, the replacement mechanism 3 is provided with 2 clamping members, the 2 material taking members, and the feeding mechanism 4 is provided with 2 feeding members.
When the helium injection nozzle 2 of the helium injection rod 1 is damaged due to long-time use and needs to be replaced, the automatic helium injection nozzle replacement device of the helium detector of the embodiment is moved to the position of the helium detector, the moving module 31 drives the moving plate 32 to move to the position of the helium injection rod 1, and 2 clamping pieces are respectively in one-to-one correspondence with the 2 helium injection rods 1, and at the moment, the two clamping plates 35 of the clamping pieces are in a loosening state; then, the lifting cylinder 310 starts to drive the 2 parallel clamping jaw cylinders 34 to move upwards, so that the guide rods 36 of the 2 clamping pieces extend into the helium injection nozzles 2 respectively, then the parallel clamping jaw cylinders 34 shrink to drive the two clamping plates 35 to clamp the helium injection nozzles 2, and at the moment, the lifting cylinder 310 drives the 2 clamping pieces to move downwards to reset so as to take the helium injection nozzles 2 off the helium injection rod 1;
then the moving module 31 drives the moving plate 32 to move to the material taking part position, so that 2 material clamping parts are respectively in one-to-one correspondence with 2 material taking parts; then the lifting cylinder 310 drives the 2 clamping pieces to move upwards, so that the tops of the 2 helium injection nozzles 2 are respectively contacted with the 2 vacuum suction pipes 37 correspondingly, then the parallel clamping jaw cylinder 34 acts to enable the clamping plate 35 to loosen the helium injection nozzles 2, and the vacuum pump starts to vacuumize the vacuum suction pipes 37 to adsorb the helium injection nozzles 2; then the lifting cylinder 310 drives the 2 clamping pieces to move downwards for resetting, and the helium filling nozzle 2 stays on the vacuum suction pipe 37; the moving module 31 drives the moving plate 32 to move, so that the recovery box 33 moves below 2 material taking pieces, the vacuum suction pipe 37 breaks vacuum, and the helium filling nozzle 2 falls into the recovery box 33;
the moving module 31 drives the 2 clamping pieces to move to the position of the feeding mechanism 4, so that the 2 clamping pieces are respectively arranged in one-to-one correspondence with the 2 feeding pieces; then the lifting cylinder 310 drives the 2 clamping pieces to move upwards so that the guide rods 36 of the 2 parallel clamping jaw cylinders 34 are inserted into helium injection nozzles 2 at the bottommost parts of the plurality of storage cylinders 41 to play a role in guiding; then the second telescopic cylinder 43 contracts to drive the second stop lever 45 to retract, so that the helium injection nozzle 2 falls between the two clamping plates 35 along the guide rod 36, and then the parallel clamping jaw cylinder 34 drives the two clamping plates 35 to clamp the helium injection nozzle 2; then lifting cylinder 310 drives 2 clamping pieces to move downwards, moving module 31 drives moving plate 32 to move to the position of helium injection rod 1, so that 2 clamping pieces are respectively in one-to-one correspondence with 2 helium injection rods 1, lifting cylinder 310 drives 2 clamping pieces to move upwards, when helium injection nozzle 2 is in contact with helium injection rod 1, parallel clamping jaw cylinder 34 drives clamping plate 35 to loosen helium injection nozzle 2, lifting cylinder 310 continues to lift upwards, so that helium injection nozzle 2 is completely inserted into helium injection rod 1, lifting cylinder 310 drives a plurality of clamping pieces to move downwards for resetting, and replacement of helium injection nozzle 2 can be completed.
Example 2
Referring to fig. 9, the present embodiment provides a helium detector capable of automatically replacing helium injecting nozzles, which comprises a mounting frame 5, a helium detecting box 7, a cover plate 6, a plurality of helium injecting rods 1, a jacking mechanism and a helium detector, and further comprises an automatic helium injecting nozzle replacing device of the helium detector.
The mounting bracket 5 is installed on equipment big board, and apron 6 is installed on mounting bracket 5, and sealed cowling 9 is installed to apron 6 bottom. The helium injecting rods 1 are all installed on the cover plate 6 in a penetrating mode, one ends of the helium injecting rods 1 extend into the sealing cover 9, and helium injecting nozzles 2 are installed at the end portions of the helium injecting rods 1 in an interference fit mode.
The automatic helium nozzle replacement device for a helium detector of the present embodiment has the same structure as the automatic helium nozzle replacement device for a helium detector of embodiment 1, except that: in this embodiment, the moving module is mounted on the large equipment board and drives the moving board to move back and forth below the cover board 6, the moving board 32 is used for carrying the helium detection case 7, and the helium detection case 7 can move linearly along with the moving board 32; the mounting plate 8 is installed to the one end of helium detection case 7 in the direction of movement of movable plate 32, and lifting piece, recovery box 33 are installed on mounting plate 8, and four bracing pieces 11 of vertical arrangement are installed in the slip run-through on mounting plate 8 and four bracing piece 11 tops all are connected with fixed plate 311.
The jacking mechanism is arranged below the cover plate 6 and is used for jacking the helium detection box body 7 upwards, so that the top end face of the helium detection box body 7 is attached to the bottom end face of the sealing cover 9 to seal the helium detection box body 7. In this embodiment, the jacking mechanism includes two jacking cylinders 10 disposed on both sides of the moving module 31. Of course, in other embodiments, the lifting mechanism may take other forms, such as lifting by a motor.
In this embodiment, the helium detecting box body structure is matched with the sealing cover structure, and the helium detecting box body structure and the sealing cover structure are square structures. Of course, in other embodiments, the helium test chamber and the sealing cover may have other structures, such as a cylindrical structure. In order to improve the tightness between the helium detection case 7 and the cover plate 6, a sealing ring is further arranged on the end face of the top end of the helium detection case 7 in the embodiment.
Next, the working process of this embodiment will be described by taking the example that the helium detector is provided with 2 helium injection rods 1, the replacement mechanism 3 is provided with 2 clamping members, the 2 material taking members, and the feeding mechanism 4 is provided with 2 feeding members.
1. Helium testing of lithium batteries
Two lithium batteries to be detected are fed into the helium detection box body 7 through a mechanical arm, the moving module 31 is started, and the driving moving plate 32 drives the helium detection box body 7 to move below the cover plate 6; the two jacking cylinders 10 are started simultaneously and jack up the helium detection box body 7 upwards to be connected with the sealing cover in a sealing fit manner, at the moment, the helium injection nozzle 2 of the helium injection rod 1 is pressed against the liquid injection port of the battery, the helium injection rod 1 is communicated with a helium source to inject helium into the battery, and a helium detector on the helium detection box body 7 is used for judging whether the battery has a leakage phenomenon; after the detection is finished, the jacking cylinder 10 drives the helium detection box body 7 to descend and reset, the helium detection box body 7 returns to the moving plate 32 again, the moving module 31 continues to drive the moving plate 32 to move, the moving module 31 stops when the moving plate 32 moves to the blanking station, and the battery in the helium detection cavity is transferred out through the manipulator; repeating the above actions to realize continuous detection of the battery.
2. Replacement helium filling nozzle 2
When the helium injection nozzle 2 of the helium injection rod 1 is damaged due to long-time use and needs to be replaced, the moving module 31 drives the moving plate 32 to move so that 2 clamping pieces are respectively in one-to-one correspondence with the 2 helium injection rods 1, and at the moment, the two clamping plates 35 of the clamping pieces are in a loosening state; then, the lifting cylinder 310 starts to drive the 2 parallel clamping jaw cylinders 34 to move upwards, so that the guide rods 36 of the 2 clamping pieces extend into the helium injection nozzles 2 respectively, then the parallel clamping jaw cylinders 34 shrink to drive the two clamping plates 35 to clamp the helium injection nozzles 2, and at the moment, the lifting cylinder 310 drives the 2 clamping pieces to move downwards to reset so as to take the helium injection nozzles 2 off the helium injection rod 1;
then the moving module 31 drives the moving plate 32 to move to the material taking part position, so that 2 material clamping parts are respectively in one-to-one correspondence with 2 material taking parts; then the lifting cylinder 310 drives the 2 clamping pieces to move upwards, so that the tops of the 2 helium injection nozzles 2 are respectively contacted with the 2 vacuum suction pipes 37 correspondingly, then the parallel clamping jaw cylinder 34 acts to enable the clamping plate 35 to loosen the helium injection nozzles 2, and the vacuum pump starts to vacuumize the vacuum suction pipes 37 to adsorb the helium injection nozzles 2; then the lifting cylinder 310 drives the 2 clamping pieces to move downwards for resetting, and the helium filling nozzle 2 stays on the vacuum suction pipe 37; the moving module 31 drives the moving plate 32 to move, so that the recovery box 33 moves below 2 material taking pieces, the vacuum suction pipe 37 breaks vacuum, and the helium filling nozzle 2 falls into the recovery box 33;
the moving module 31 drives the 2 clamping pieces to move to the position of the feeding mechanism 4, so that the 2 clamping pieces are respectively arranged in one-to-one correspondence with the 2 feeding pieces; then the lifting cylinder 310 drives the 2 clamping pieces to move upwards so that the guide rods 36 of the 2 parallel clamping jaw cylinders 34 are inserted into helium injection nozzles 2 at the bottommost parts of the plurality of storage cylinders 41 to play a role in guiding; then the second telescopic cylinder 43 contracts to drive the second stop lever 45 to retract, so that the helium injection nozzle 2 falls between the two clamping plates 35 along the guide rod 36, and then the parallel clamping jaw cylinder 34 drives the two clamping plates 35 to clamp the helium injection nozzle 2; then lifting cylinder 310 drives 2 clamping pieces to move downwards, moving module 31 drives moving plate 32 to move to the position of helium injection rod 1, so that 2 clamping pieces are respectively in one-to-one correspondence with 2 helium injection rods 1, lifting cylinder 310 drives 2 clamping pieces to move upwards, when helium injection nozzle 2 is in contact with helium injection rod 1, parallel clamping jaw cylinder 34 drives clamping plate 35 to loosen helium injection nozzle 2, lifting cylinder 310 continues to lift upwards, so that helium injection nozzle 2 is completely inserted into helium injection rod 1, lifting cylinder 310 drives a plurality of clamping pieces to move downwards for resetting, and replacement of helium injection nozzle 2 can be completed.
It is noted that when an element is referred to as being "mounted to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. The automatic helium nozzle replacing device of the helium detector comprises a plurality of helium injection rods (1), and helium injection nozzles (2) are arranged at the end parts of the helium injection rods (1) in an interference fit manner; the feeding mechanism (4) is used for feeding a plurality of unused helium injection nozzles (2) to the replacing mechanism (3); the replacing mechanism (3) is used for removing and collecting used helium injecting nozzles (2) on the plurality of helium injecting rods (1) and is also used for inserting a plurality of unused helium injecting nozzles (2) into the plurality of helium injecting rods (1) respectively.
2. The automatic helium nozzle replacement device of the helium detector according to claim 1, wherein the helium detector further comprises a mounting frame (5) and a cover plate (6) mounted on the mounting frame (5), and a plurality of helium injection rods (1) are mounted on the cover plate (6); the replacing mechanism (3) comprises a moving module (31), a moving plate (32), a lifting piece, a plurality of clamping pieces, a plurality of taking pieces and a recycling box (33); wherein:
the moving module (31) is used for driving the moving plate (32) to move linearly;
the lifting piece and the recovery box (33) are both arranged on the moving plate (32) and can move along with the movement of the moving plate (32), the lifting piece is used for driving the clamping pieces to move up and down in the vertical direction, and the clamping pieces are respectively used for clamping the used helium injection nozzles (2) on the helium injection rods (1) or inserting the clamped unused helium injection nozzles (2) into the helium injection rods (1);
the plurality of material taking parts are all arranged on the cover plate (6) and are positioned on the moving path of the moving plate (32), and when the moving plate (32) moves to the positions of the plurality of material taking parts, the plurality of material taking parts are respectively used for taking down the used helium injecting nozzles (2) on the plurality of material clamping parts and transferring the used helium injecting nozzles (2) to the recovery box (33).
3. The automatic helium nozzle replacing device of the helium detector according to claim 2, wherein the clamping piece comprises a parallel clamping jaw cylinder (34), the parallel clamping jaw cylinder (34) is provided with two clamping jaws, clamping plates (35) are arranged on the two clamping jaws, and a guide rod (36) is further arranged on the parallel clamping jaw cylinder (34) at a position between the two clamping plates (35).
4. A helium nozzle automatic exchange apparatus according to claim 3, wherein said clamping plate (35) has an arc-shaped cross section, and the diameter of said clamping plate (35) gradually decreases from an end near to the parallel jaw cylinder (34) to an end far from the parallel jaw cylinder (34).
5. The automatic helium nozzle replacement device of a helium detector according to claim 2, wherein the material taking part comprises a vacuum suction pipe (37) and a vacuum pump, the vacuum suction pipe (37) is vertically arranged on the cover plate (6), an air pipe joint (38) is connected to the top end of the vacuum suction pipe (37), the air pipe joint (38) is connected with the vacuum pump through a pipeline, and the vacuum pump is used for vacuumizing the vacuum suction pipe to adsorb the helium nozzle.
6. The automatic helium nozzle replacing device for helium detector according to claim 5, wherein a partition plate (39) is integrally formed in the vacuum suction pipe (37), a plurality of concentric circles are arranged on the upper outer edge of the partition plate (39), and each circle comprises a plurality of small holes distributed circumferentially in the same direction.
7. The automatic helium nozzle replacement device for the helium detector according to claim 2, wherein the lifting piece comprises a lifting cylinder (310) and a fixed plate (311), the lifting cylinder (310) is installed on the moving plate (32), the fixed plate (311) is installed at the telescopic end of the lifting cylinder (310), the plurality of clamping pieces are all installed at the top end of the fixed plate (311), and the recovery box (33) is installed at the side edge of the fixed plate (311).
8. The automatic helium nozzle replacement device of the helium detector according to claim 2, wherein the feeding mechanism (4) comprises a plurality of feeding pieces, and the feeding pieces are respectively arranged in one-to-one correspondence with the clamping pieces; each feeding part comprises a storage cylinder (41), a first telescopic cylinder (42) and a second telescopic cylinder (43); the storage cylinder (41) is vertically arranged on the cover plate (6) and is open at two ends, and a plurality of unused helium injecting nozzles (2) stacked in the vertical direction are stored in the storage cylinder (41); the first telescopic cylinder (42) and the second telescopic cylinder (43) are both arranged on the cover plate (6), the first telescopic cylinder (42) and the second telescopic cylinder (43) are respectively provided with a first stop rod (44) and a second stop rod (45), one end of the first stop rod (44) penetrates through and stretches into the storage cylinder (41) to stop the helium injection nozzle, the first stop rod (44) is in clearance fit with the storage cylinder (41), the second stop rod (45) is arranged at the bottom end of the storage cylinder (41) and is used for stopping the helium injection nozzle (2), a helium injection nozzle (2) is arranged between the first stop rod (44) and the second stop rod (45), the first telescopic cylinder (42) and the second telescopic cylinder (43) are in a stretching state and the first telescopic cylinder (42) and the second telescopic cylinder (43) are not in a shrinking state at the same time, and when the second telescopic cylinder (43) is in a shrinking state, the bottommost helium injection nozzle in the storage cylinder (41) is discharged from the bottom of the storage cylinder (41).
9. The automatic helium nozzle replacement device of a helium detector according to claim 2, wherein the helium detector further comprises a helium detector box (7) and a jacking mechanism; the helium detection box body (7) is provided with an open cavity with an opening at the top end and used for placing the lithium battery, the helium detection box body (7) is borne by the moving plate (32) and can move along with the movement of the moving plate (32), one end of the helium detection box body (7) in the moving direction of the moving plate (32) is provided with the mounting plate (8), and the lifting piece and the recovery box (33) are mounted on the mounting plate (8); the jacking mechanism is arranged below the cover plate (6) and is used for jacking the helium detection box body (7) upwards to be connected with the cover plate (6) in a matched mode so as to seal the open cavity.
10. The automatic helium nozzle replacement device for a helium detector according to claim 9, wherein a sealing cover (9) is arranged at the bottom of the cover plate (6), the shape of the sealing cover (9) is matched with the shape of the helium detector box (7), the end face of the opening end of the helium detector box (7) can be abutted to the end face of the bottom end of the sealing cover (9), and a sealing ring is arranged on the end face of the bottom end of the sealing cover (9) or the end face of the top end of the helium detector box (7).
CN202311319494.5A 2023-10-11 2023-10-11 Automatic replacement device for helium filling nozzle of helium detector Pending CN117532302A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311319494.5A CN117532302A (en) 2023-10-11 2023-10-11 Automatic replacement device for helium filling nozzle of helium detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311319494.5A CN117532302A (en) 2023-10-11 2023-10-11 Automatic replacement device for helium filling nozzle of helium detector

Publications (1)

Publication Number Publication Date
CN117532302A true CN117532302A (en) 2024-02-09

Family

ID=89792639

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311319494.5A Pending CN117532302A (en) 2023-10-11 2023-10-11 Automatic replacement device for helium filling nozzle of helium detector

Country Status (1)

Country Link
CN (1) CN117532302A (en)

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