CN113695773A - Automatic pressure welding equipment of block for lithium battery assembly - Google Patents
Automatic pressure welding equipment of block for lithium battery assembly Download PDFInfo
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- CN113695773A CN113695773A CN202111033467.2A CN202111033467A CN113695773A CN 113695773 A CN113695773 A CN 113695773A CN 202111033467 A CN202111033467 A CN 202111033467A CN 113695773 A CN113695773 A CN 113695773A
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- shell
- clamping
- pressure welding
- lithium battery
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 72
- 238000003466 welding Methods 0.000 title claims abstract description 66
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
- H01M50/169—Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to the technical field of lithium batteries, in particular to automatic pressure welding equipment for a cap for assembling a lithium battery, which is convenient for centering and clamping the lithium battery, saves fixing time, realizes continuous pressure welding and is beneficial to improving the pressure welding efficiency; the method comprises the following steps: the power equipment is fixedly provided with a first shell, the first shell is fixedly provided with a second shell, the first shell is provided with a linkage device, and a guide device is arranged in the second shell; the power equipment is used for driving the rotary disc to rotate along the axis of the power equipment; the plurality of groups of clamping stations are fixedly arranged on the rotary table in a circumferential array by taking the circle center of the rotary table as the circle center, and the clamping stations are used for centering, clamping and fixing the lithium battery; the support and the press-welding machine head are fixedly mounted on the linkage device, and the press-welding machine head is fixedly mounted on the support and used for sequentially press-welding the lithium batteries placed on the clamping station.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to automatic pressure welding equipment for a cap for lithium battery assembly.
Background
The lithium battery is widely applied to energy storage power systems such as hydraulic power, firepower, wind power and solar power stations, uninterrupted power supplies for post and telecommunications communication, and a plurality of fields such as electric tools, electric bicycles, electric motorcycles, electric automobiles, military equipment and aerospace, and the lithium battery is usually designed in a cylindrical shape, and a large number of lithium batteries form a lithium battery pack;
in the lithium battery production process, a cap needs to be pressure-welded at the top of a lithium battery, the existing pressure-welding equipment is poor in continuity in the using process, the lithium battery needs to be manually and frequently taken and placed by clamping on a welding station, and the production efficiency is seriously affected.
Disclosure of Invention
In order to solve the technical problems, the invention provides the automatic pressure welding equipment for the cap for lithium battery assembly, which is convenient for centering and clamping a lithium battery, saves fixing time, realizes continuous pressure welding and is beneficial to improving the pressure welding efficiency.
The invention discloses automatic pressure welding equipment for a cap for lithium battery assembly, which comprises:
the power equipment is fixedly provided with a first shell, the first shell is fixedly provided with a second shell, the first shell is provided with a linkage device, and a guide device is arranged in the second shell;
the power equipment is used for driving the turntable to rotate along the axis of the power equipment; the clamping stations are fixedly arranged on the rotary table in a circumferential array by taking the circle center of the rotary table as the circle center, and are used for centering, clamping and fixing the lithium batteries;
the support is fixedly arranged on the linkage device, and the press welding machine head is fixedly arranged on the support and used for sequentially press welding the lithium batteries placed on the clamping station;
the guide device is used for controlling the clamping stations to loosen and fix the lithium battery when any clamping station rotates to an appointed station along with the rotary table; the linkage device is used for controlling the pressure welding machine head to descend to pressure weld the lithium battery on the clamping station when any clamping station rotates to the position under the pressure welding machine head along with the turntable, and controlling the pressure welding machine head to ascend when the position under the pressure welding machine head is free of the clamping station.
Furthermore, the clamping station comprises an installation tube seat, a connecting shaft and a connecting rod which are fixedly installed on the rotary table, the top end of the installation tube seat is fixedly provided with a top plate, the middle part of the top plate is provided with an inner threaded hole in a coaxial penetrating manner, the outer wall of the circumference of the top part of the connecting shaft is provided with a guiding outer thread, the connecting shaft penetrates through the top plate by means of the guiding outer thread in a screw installation manner, the top end of the connecting shaft is rotatably provided with a material placing disc, and the bottom end of the connecting shaft movably penetrates through the rotary table and extends into the second shell;
the top plate takes the circle center of the top plate as an axis, four groups of strip-shaped grooves are arranged in a circumferential array in a penetrating mode, the four groups of strip-shaped grooves are all along the radial direction of the top plate, supporting arms are installed inside the four groups of strip-shaped grooves in a sliding mode, clamping jaws are arranged on the inner walls of the four groups of supporting arms in a protruding mode, one end, located inside an installation tube seat, of each group of supporting arms is fixedly provided with a connecting seat, and each group of connecting seats is provided with a universal joint; the transmission disc is coaxially and fixedly arranged on the circumferential outer wall of the connecting shaft positioned in the mounting tube seat, the transmission disc takes the axis of the connecting shaft as a shaft, and four groups of universal joints are arranged in a circumferential array in a penetrating manner; the four groups of universal joints on the connecting seats are respectively connected with the four groups of universal joints on the transmission disc through connecting rods;
a first spring is sleeved on the connecting shaft and located between the transmission disc and the top plate.
Furthermore, a driving shaft is arranged on the power equipment and is coaxially and fixedly connected with the turntable, the guide device comprises a guide ring, at least two groups of connecting lugs are arranged on the outer wall of the circumference of the guide ring, the guide ring is fixedly connected with the second shell through the connecting lugs, the guide ring is coaxial with the turntable, and an arc-shaped concave position is arranged at a designated station of the guide ring;
the end faces of the connecting shafts, which are positioned in the second shell, are in sliding contact with the guide ring and the top ends of the arc-shaped concave positions respectively.
Furthermore, each group of connecting shafts is provided with a spherical bulge on the end surface positioned in the second shell, and the top ends of the guide ring and the arc-shaped concave position are coaxially provided with sliding grooves for limiting the sliding path of the spherical bulge.
And furthermore, each group of the clamping jaws is provided with anti-skidding lines on the end faces of the clamping jaws contacting with the outer wall of the lithium battery, and chamfers are arranged at the top ends of the end faces of the clamping jaws contacting with the outer wall of the lithium battery.
Furthermore, the linkage device comprises a linkage disk and a support rod which are coaxially and fixedly sleeved on the driving shaft, the linkage disk is positioned in the first shell, a plurality of groups of positioning holes are formed in the linkage disk corresponding to a plurality of assembling clamp stations on the rotating disk, and an extension line of a connecting line between the circle center of the positioning holes and the circle center of the top plate is superposed with the circle center of the linkage disk;
a mounting pipe sleeve is vertically arranged at a step between the first shell and the second shell, the supporting rod movably penetrates through the mounting pipe sleeve and the first shell and extends into the first shell, the axis of the supporting rod is parallel to the axis of the driving shaft, and the distance between the axis of the supporting rod and the axis of the driving shaft is equal to the distance between the circle center of the positioning hole and the circle center of the linkage disc;
the supporting rod is characterized in that a convex edge is arranged on the outer wall of the circumference of the supporting rod and located inside the installation pipe sleeve, a second spring is sleeved on the supporting rod and located between the convex edge and the top end of the installation pipe sleeve, and a positioning protrusion is arranged at one end, extending into the first shell, of the supporting rod and corresponding to the positioning hole.
Furthermore, the positioning hole adopts a conical through hole with the diameter gradually reduced from top to bottom, and the positioning bulge adopts a frustum corresponding to the positioning hole.
Furthermore, the clamping stations are at least eight groups, and the designated stations are symmetrical to the press welding machine head.
Compared with the prior art, the invention has the beneficial effects that: insert the clamping station in by appointed station through the lithium cell that will carry out the pressure welding, the carousel drives the clamping station that the dress accompanies the lithium cell and rotates under the pressure welding machine head, simultaneously under linkage's transmission, make the pressure welding machine head descend and carry out the pressure welding to the lithium cell under it, after the pressure welding, the carousel continues the rotation, in rotatory process, linkage risees, lithium cell after the pressure welding rotates to appointed station, take off it, and the lithium cell clamping that will not pressure weld is on this clamping station, through setting up the clamping station, be convenient for carry out centering clamp to the lithium cell, save dead time, and through setting up multiunit clamping station, continuous pressure welding, be favorable to promoting pressure welding efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an isometric view of the structure of the present invention;
FIG. 3 is a structural cross-sectional view of the present invention;
FIG. 4 is an exploded view of the drive shaft and turntable configuration;
FIG. 5 is an enlarged schematic view of the structure of the clamping station;
FIG. 6 is a schematic structural view of the clamping station without a mounting tube seat;
FIG. 7 is a schematic structural view of the clamping station without the mounting tube seat and the top plate;
FIG. 8 is an enlarged schematic view of portion A of FIG. 3;
in the drawings, the reference numbers: 1. a power plant; 2. a first housing; 3. a second housing; 4. a turntable; 5. a clamping station; 6. a linkage device; 7. a support; 8. a press welder head; 9. installing a tube seat; 10. a top plate; 11. a strip-shaped groove; 12. a connecting shaft; 13. a guide external thread; 14. placing a material tray; 15. a support arm; 16. a clamping jaw; 17. a connecting seat; 18. a drive plate; 19. a connecting rod; 20. a first spring; 21. a drive shaft; 22. a guide ring; 23. connecting lugs; 24. an arc concave position; 25. a chute; 26. a spherical bulge; 27. anti-skid lines; 28. chamfering; 29. a linkage disk; 30. positioning holes; 31. installing a pipe sleeve; 32. a convex edge; 33. a support bar; 34. a second spring; 35. and a positioning projection.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.
As shown in fig. 1 to 2, an automatic pressure welding apparatus for a cap for lithium battery assembly according to the present invention includes:
the power equipment comprises power equipment 1, wherein a first shell 2 is fixedly arranged on the power equipment 1, a second shell 3 is fixedly arranged on the first shell 2, a linkage device 6 is arranged on the first shell 2, and a guide device is arranged in the second shell 3;
the power equipment 1 is used for driving the rotary table 4 to rotate along the axis of the power equipment 4; the plurality of groups of clamping stations 5 are fixedly arranged on the rotary table 4 in a circumferential array by taking the circle center of the rotary table 4 as the circle center, and the clamping stations 5 are used for centering, clamping and fixing the lithium batteries;
the lithium battery clamping device comprises a support 7 and a press welding head 8, wherein the support 7 is fixedly arranged on a linkage device 6, and the press welding head 8 is fixedly arranged on the support 7 and used for sequentially press welding lithium batteries placed on a clamping station 5;
the guide device is used for controlling the clamping station 5 to loosen and fix the lithium battery when any clamping station 5 rotates to an appointed station along with the rotary table 4; the linkage device 6 is used for controlling the press welding head 8 to descend to press weld the lithium battery on the clamping station 5 when any clamping station 5 rotates to the position under the press welding head 8 along with the turntable 4, and controlling the press welding head 8 to ascend when the clamping station 5 is not arranged under the press welding head 8;
in this embodiment, insert the clamping station 5 in by appointed station through the lithium cell that will carry out the pressure welding, carousel 4 drives the clamping station 5 that the clamping has the lithium cell and rotates under to pressure welding machine head 8, simultaneously under linkage 6's transmission effect, make pressure welding machine head 8 descend and carry out the pressure welding to the lithium cell under it, after the pressure welding, carousel 4 continues to rotate, in rotatory process, linkage 6 rises, until the lithium cell after the pressure welding changes to appointed station, take it down, and with the lithium cell clamping of not pressure welding on this clamping station 5, through setting up clamping station 5, be convenient for to center the clamp tightly to the lithium cell, save the dead time, and through setting up multiunit clamping station 5, continuous pressure welding, be favorable to promoting pressure welding efficiency.
Preferably, as shown in fig. 5 to 7, the clamping station 5 includes an installation tube seat 9 fixedly installed on the turntable 4, a connection shaft 12 and a connection rod 19, a top plate 10 is fixedly installed at the top end of the installation tube seat 9, an internal thread hole is coaxially arranged in the middle of the top plate 10 in a penetrating manner, a guiding external thread 13 is arranged on the outer wall of the circumference of the top of the connection shaft 12, the connection shaft 12 penetrates through the top plate 10 by means of the guiding external thread 13 in a threaded manner, a material placing disc 14 is rotatably installed at the top end of the connection shaft 12, and the bottom end of the connection shaft 12 movably penetrates through the turntable 4 and extends into the second housing 3;
the top plate 10 takes the circle center of the top plate 10 as an axis, four groups of strip-shaped grooves 11 are arranged in a circumferential array in a penetrating manner, the four groups of strip-shaped grooves 11 are all along the radial direction of the top plate 10, supporting arms 15 are slidably arranged in the four groups of strip-shaped grooves 11, clamping jaws 16 are arranged on the inner walls of the four groups of supporting arms 15 in a protruding manner, one end, positioned in the mounting tube seat 9, of each group of supporting arms 15 is fixedly provided with a connecting seat 17, and each group of connecting seats 17 is provided with a universal joint; the connecting shaft 12 is coaxially and fixedly provided with a transmission disc 18 on the circumferential outer wall inside the mounting tube seat 9, and the transmission disc 18 is provided with four groups of universal joints in a circumferential array by taking the axis of the connecting shaft 12 as a shaft; the four universal joints on the connecting seat 17 are respectively connected with the four universal joints on the transmission disc 18 through connecting rods 19;
a first spring 20 is sleeved on the connecting shaft 12, and the first spring 20 is positioned between the transmission disc 18 and the top plate 10;
in the embodiment, the connecting shaft 12 rotates along the axis of the connecting shaft 12 in the lifting process by arranging the internal thread hole and the guiding external thread 13, the connecting shaft 12 drives the driving disc 18 to be far away from the top plate 10 in a natural state by arranging the first spring 20, at the moment, under the connecting action of the plurality of groups of connecting rods 19, the four groups of supporting arms 15 respectively drive the four groups of clamping jaws 16 to synchronously move towards the outside, and at the moment, a lithium battery is taken and placed; the lithium battery is placed on the material placing disc 14, the connecting shaft 12 drives the transmission disc 18 to be close to the top plate 10 under the action of the guiding device, the four groups of supporting arms 15 are synchronously and relatively close to each other under the driving of the four groups of connecting rods 19, the four groups of clamping jaws 16 are synchronously clamped for the lithium battery on the material placing disc 14, the lithium battery and the top plate 10 are coaxially positioned, and the follow-up lithium battery and the nut cap are conveniently and accurately pressed and welded.
Preferably, as shown in fig. 4, the power device 1 is provided with a driving shaft 21, the driving shaft 21 is coaxially and fixedly connected with the turntable 4, the guiding device includes a guiding ring 22, at least two sets of connecting lugs 23 are arranged on the circumferential outer wall of the guiding ring 22, the guiding ring 22 is fixedly connected with the second housing 3 through the connecting lugs 23, the guiding ring 22 and the turntable 4 are coaxial, and the guiding ring 22 is provided with an arc-shaped concave position 24 at a designated station;
the end surfaces of a plurality of groups of the connecting shafts 12 positioned in the second shell 3 are respectively in sliding contact with the top ends of the guide ring 22 and the arc-shaped concave position 24;
in this embodiment, through above-mentioned setting, be convenient for drive when a plurality of equipment press from both sides station 5 and rotate at carousel 4, when clamping station 5 rotated to arc concave position 24 department, make connecting axle 12 make driving disc 18 keep away from with roof 10 under the spring action of first spring 20, be convenient for take off the lithium cell after the pressure welding to put into the lithium cell that does not pressure weld.
Preferably, as shown in fig. 4, a spherical protrusion 26 is disposed on an end surface of each set of the connecting shaft 12 inside the second housing 3, and a sliding groove 25 is coaxially disposed at a top end of the guide ring 22 and the arc-shaped concave portion 24 for defining a sliding path of the spherical protrusion 26;
in this embodiment, through the above arrangement, the sliding tracks of the groups of connecting shafts 12 on the guide ring 22 are limited, and the occurrence of the situation that the connecting shafts 12 slide out of the guide ring 22 is reduced.
Preferably, as shown in fig. 5 to 6, each group of the clamping jaws 16 has an anti-slip pattern 27 on the end surface contacting with the outer wall of the lithium battery, and the top end of the end surface contacting with the outer wall of the lithium battery of the clamping jaws 16 is provided with a chamfer 28;
in this embodiment, through setting up anti-skidding line 27, increase the frictional force between clamping jaw 16 and the lithium cell, through setting up chamfer 28, be favorable to putting into the lithium cell, avoid clamping jaw 16 right angle to take place the condition of lithium cell fish tail.
Preferably, as shown in fig. 4 and 8, the linkage device 6 includes a linkage disk 29 and a support rod 33 coaxially and fixedly sleeved on the driving shaft 21, the linkage disk 29 is located inside the first housing 2, a plurality of groups of positioning holes 30 are arranged on the linkage disk 29 corresponding to the plurality of assembly clamp stations 5 on the rotating disk 4, and an extension line of a connecting line between the circle center of the positioning hole 30 and the circle center of the top plate 10 coincides with the circle center of the linkage disk 29;
a mounting pipe sleeve 31 is vertically arranged at a step between the first shell 2 and the second shell 3, the support rod 33 movably penetrates through the mounting pipe sleeve 31 and the first shell 2 and extends into the first shell 2, the axis of the support rod 33 is parallel to the axis of the driving shaft 21, and the distance between the axis of the support rod 33 and the axis of the driving shaft 21 is equal to the distance between the circle center of the positioning hole 30 and the circle center of the linkage disc 29;
a convex edge 32 is arranged on the outer wall of the circumference of the supporting rod 33, the convex edge 32 is positioned inside the mounting pipe sleeve 31, a second spring 34 is sleeved on the supporting rod 33, the second spring 34 is positioned between the convex edge 32 and the top end of the mounting pipe sleeve 31, and a positioning protrusion 35 is arranged at one end of the supporting rod 33 extending into the first shell 2 corresponding to the positioning hole 30;
in this embodiment, with the above arrangement, when the clamping station 5 rotates to a position right below the press head 8, the positioning protrusion 35 is inserted into the corresponding positioning hole 30 under the action of the elastic force of the second spring 34, so as to control the press head 8 to descend and press-weld the lithium battery.
As a preferred mode of the above technical solution, as shown in fig. 8, the positioning hole 30 is a tapered through hole with a diameter gradually decreasing from top to bottom, and the positioning protrusion 35 is a frustum corresponding to the positioning hole 30;
in the present embodiment, the positioning protrusions 35 are configured to smoothly slide between the top end of the linkage disk 29 and the plurality of sets of positioning holes 30.
Preferably, as shown in fig. 3 to 4, the clamping stations 5 are at least eight groups, and the designated stations are symmetrical to the press welder head 8.
According to the automatic pressure welding equipment for the cap for the lithium battery assembly, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the equipment can be implemented as long as the beneficial effects of the equipment are achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a lithium cell equipment is with automatic pressure welding equipment of block which characterized in that includes:
the power equipment comprises power equipment (1), wherein a first shell (2) is fixedly arranged on the power equipment (1), a second shell (3) is fixedly arranged on the first shell (2), a linkage device (6) is arranged on the first shell (2), and a guide device is arranged in the second shell (3);
the clamping device comprises a rotary table (4) and a clamping station (5), wherein the rotary table (4) is rotatably arranged on a second shell (3), and the power equipment (1) is used for driving the rotary table (4) to rotate along the axis of the power equipment; the plurality of groups of clamping stations (5) are fixedly arranged on the rotary table (4) in a circumferential array by taking the circle center of the rotary table (4) as the circle center, and the clamping stations (5) are used for centering, clamping and fixing the lithium battery;
the lithium battery clamping device comprises a support (7) and a press welding head (8), wherein the support (7) is fixedly arranged on a linkage device (6), and the press welding head (8) is fixedly arranged on the support (7) and used for sequentially press-welding lithium batteries placed on a clamping station (5);
the guide device is used for controlling the clamping stations (5) to loosen and fix the lithium battery when any clamping station (5) rotates to an appointed station along with the rotary table (4); linkage (6) are used for when arbitrary clamping station (5) are changeed to under pressure welding head (8) along with carousel (4), control pressure welding head (8) descend and carry out the pressure welding to the lithium cell on clamping station (5) to when no clamping station (5) under pressure welding head (8), control pressure welding head (8) rise.
2. The automatic pressure welding equipment for the cap for the lithium battery assembly as recited in claim 1, wherein the clamping station (5) comprises a mounting tube seat (9) fixedly mounted on the turntable (4), a connecting shaft (12) and a connecting rod (19), a top plate (10) is fixedly arranged at the top end of the mounting tube seat (9), an internal thread hole is coaxially arranged in the middle of the top plate (10) in a penetrating manner, a guiding external thread (13) is arranged on the outer wall of the circumference of the top of the connecting shaft (12), the connecting shaft (12) penetrates through the top plate (10) in a threaded manner by means of the guiding external thread (13), a material placing plate (14) is rotatably mounted at the top end of the connecting shaft (12), and the bottom end of the connecting shaft (12) movably penetrates through the turntable (4) and extends into the second shell (3);
the top plate (10) is provided with four groups of strip-shaped grooves (11) in a circumferential array in a penetrating manner by taking the circle center of the top plate (10) as an axis, the four groups of strip-shaped grooves (11) are all along the radial direction of the top plate (10), supporting arms (15) are slidably mounted in the four groups of strip-shaped grooves (11), clamping jaws (16) are arranged on the inner walls of the four groups of supporting arms (15) in a protruding manner, one end, located in the mounting tube seat (9), of each group of supporting arms (15) is fixedly provided with a connecting seat (17), and each group of connecting seats (17) is provided with a universal joint; the transmission plate (18) is coaxially and fixedly arranged on the circumferential outer wall of the connecting shaft (12) positioned in the mounting tube seat (9), the transmission plate (18) takes the axis of the connecting shaft (12) as a shaft, and four groups of universal joints are arranged in a circumferential array in a penetrating manner; the four universal joints on the four connecting seats (17) are respectively connected with the four universal joints on the transmission disc (18) through connecting rods (19);
a first spring (20) is sleeved on the connecting shaft (12), and the first spring (20) is located between the transmission disc (18) and the top plate (10).
3. The automatic pressure welding equipment for the cap used for assembling the lithium battery as claimed in claim 2, characterized in that the power equipment (1) is provided with a driving shaft (21), the driving shaft (21) is coaxially and fixedly connected with the turntable (4), the guiding device comprises a guiding ring (22), at least two groups of connecting lugs (23) are arranged on the circumferential outer wall of the guiding ring (22), the guiding ring (22) is fixedly connected with the second shell (3) through the connecting lugs (23), the guiding ring (22) is coaxial with the turntable (4), and the guiding ring (22) is provided with an arc-shaped concave position (24) at a designated station;
the end surfaces of the connecting shafts (12) in a plurality of groups, which are positioned in the second shell (3), are in sliding contact with the guide ring (22) and the top ends of the arc-shaped concave positions (24) respectively.
4. An automatic pressure welding device for a cap used for assembling a lithium battery as claimed in claim 3, characterized in that each set of said connecting shafts (12) is provided with a spherical protrusion (26) on the end surface located inside the second housing (3), and the guide ring (22) and the top end of the arc-shaped recess (24) are provided with a sliding groove (25) coaxially for defining the sliding path of the spherical protrusion (26).
5. The automatic pressure welding equipment for the cap used for assembling the lithium battery as claimed in claim 2, characterized in that each group of the clamping jaws (16) is provided with an anti-slip line (27) on the end face contacting with the outer wall of the lithium battery, and the top end of the end face contacting with the outer wall of the lithium battery of the clamping jaws (16) is provided with a chamfer (28).
6. The automatic pressure welding equipment for the cap used for assembling the lithium battery as claimed in claim 3, characterized in that the linkage device (6) comprises a linkage disk (29) and a support rod (33) which are coaxially and fixedly sleeved on the driving shaft (21), the linkage disk (29) is positioned inside the first shell (2), a plurality of groups of positioning holes (30) are formed in the linkage disk (29) corresponding to a plurality of assembling clamp stations (5) on the rotating disk (4), and an extension line of a connecting line between the circle center of the positioning hole (30) and the circle center of the top plate (10) is superposed with the circle center of the linkage disk (29);
a mounting pipe sleeve (31) is vertically arranged at a step between the first shell (2) and the second shell (3), the supporting rod (33) movably penetrates through the mounting pipe sleeve (31) and the first shell (2) and extends into the first shell (2), the axis of the supporting rod (33) is parallel to the axis of the driving shaft (21), and the distance between the axis of the supporting rod (33) and the axis of the driving shaft (21) is equal to the distance between the circle center of the positioning hole (30) and the circle center of the linkage disc (29);
be provided with protruding edge (32) on the circumference outer wall of bracing piece (33), protruding edge (32) are located installation pipe box (31) inside, the cover is equipped with second spring (34) on bracing piece (33), second spring (34) are located between protruding edge (32) and installation pipe box (31) top, bracing piece (33) stretch into to first shell (2) inside one end correspond locating hole (30) and are provided with location arch (35).
7. The automatic pressure welding equipment for the cap used for assembling the lithium battery as claimed in claim 6, wherein the positioning hole (30) is a tapered through hole with a diameter gradually decreasing from top to bottom, and the positioning protrusion (35) is a frustum corresponding to the positioning hole (30).
8. The automatic pressure welding equipment for the cap for the lithium battery assembly as claimed in claim 1, characterized in that the clamping stations (5) are at least eight groups, and the designated stations are symmetrical to the pressure welding head (8).
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| CN202111033467.2A CN113695773B (en) | 2021-09-03 | 2021-09-03 | Automatic pressure welding equipment of block for lithium battery assembly |
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| CN202111033467.2A CN113695773B (en) | 2021-09-03 | 2021-09-03 | Automatic pressure welding equipment of block for lithium battery assembly |
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| CN113695773B CN113695773B (en) | 2022-09-20 |
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| CN114769779A (en) * | 2022-06-22 | 2022-07-22 | 苏州市华广自动化科技有限公司 | Metal element welding device for assembling semiconductor electronic element |
| CN115815775A (en) * | 2023-02-14 | 2023-03-21 | 河南东方新能源有限公司 | Automatic assembling machine for lithium battery caps |
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| CN113695773B (en) | 2022-09-20 |
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