CN113478850A - High-efficiency hot melting riveting device for lithium ion power battery pack - Google Patents
High-efficiency hot melting riveting device for lithium ion power battery pack Download PDFInfo
- Publication number
- CN113478850A CN113478850A CN202110673899.3A CN202110673899A CN113478850A CN 113478850 A CN113478850 A CN 113478850A CN 202110673899 A CN202110673899 A CN 202110673899A CN 113478850 A CN113478850 A CN 113478850A
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- Prior art keywords
- hot
- melting
- power battery
- battery pack
- ion power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/60—Riveting or staking
- B29C65/601—Riveting or staking using extra riveting elements, i.e. the rivets being non-integral with the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/034—Thermal after-treatments
- B29C66/0342—Cooling, e.g. transporting through welding and cooling zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3468—Batteries, accumulators or fuel cells
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- 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
Abstract
The invention relates to the technical field of battery hot-melt connection, and discloses a high-efficiency hot-melt riveting device for a lithium ion power battery pack, which comprises an upper template, wherein guide pillars are arranged on four sides of the bottom end of the upper template, springs are arranged on the outer walls of the guide pillars, the lower parts of the springs are fixed on a push plate fixing seat, the guide pillars penetrate through the push plate fixing seat and extend to the lower part, a lower template is arranged below the middle part of the upper template, a graded preheating hot-melt mechanism is arranged at the bottom end of the lower template, and two sides of the graded preheating hot-melt mechanism extend to the bottom end of the push plate fixing seat. The invention realizes temperature control, graded preheating, heating baking and active heat dissipation and cooling through the arranged graded preheating hot melting mechanism, thus being capable of rapidly reducing the temperature of each hot melting point to solidify plastic when in hot melting riveting forming, avoiding the direct separation of the plastic hot melting column and the hot melting head when in a semi-melting state, and solving the problems of deformation, strain, fullness, no wrapping force and insufficient riveting strength of the hot melting point.
Description
Technical Field
The invention relates to the technical field of battery hot-melt connection, in particular to a high-efficiency hot-melt riveting device for a lithium ion power battery pack.
Background
Small household appliances and toy products generally use a plastic riveting process to fix a plurality of statically used products such as keys and PCB boards with small volume, and most of the products are single-point hot melting or hot melting riveting with less than 10 points.
The hot melting device that adopts generates heat board, plastic hot melt post and continuously keeps in the high temperature state, but under the plastic still is in the high temperature state of semi-fusion after the hot melt is accomplished, can cause hot melt face wire drawing, warp, scorch badly when separating with plastic hot melt post to hot melt parcel power is very little, can not satisfy the power battery group cylinder manifold that the vibration operating mode used and the fixed structural strength requirement of plastic.
Disclosure of Invention
The invention aims to provide a high-efficiency hot-melting riveting device for a lithium ion power battery pack, which realizes temperature control, graded preheating, heating baking and cooling through an arranged graded preheating hot-melting mechanism, so that a plastic hot-melting column can be graded preheated and the temperature of each hot-melting point can be rapidly reduced during hot-melting riveting forming to solidify plastic, the plastic is prevented from being directly separated from a hot-melting head in a semi-melting state, and the high-efficiency hot-melting riveting device aims to solve the problems that in the prior art, when hot melting is finished and the plastic is still in the semi-melting high-temperature state, the hot-melting surface is poor in wire drawing, deformation and scorching, the hot-melting wrapping force is small, and the structural strength requirement that a power battery pack collecting plate used under a vibration working condition is fixed with the plastic cannot be met.
The invention discloses a high-efficiency hot-melting riveting device for a lithium ion power battery pack, which comprises an upper template, wherein guide pillars are arranged on four sides of the bottom end of the upper template, springs are arranged on the outer walls of the guide pillars, the lower parts of the springs are fixed on a push plate fixing seat, the guide pillars penetrate through the push plate fixing seat and extend to the lower part, a lower template is arranged below the middle part of the upper template, a graded preheating hot-melting mechanism is arranged at the bottom end of the lower template, and two sides of the graded preheating hot-melting mechanism extend to the bottom end of the push plate fixing seat.
Furthermore, a sliding groove is formed in the push plate fixing seat, a guide sleeve is arranged in the sliding groove, and when the upper template moves downwards under external force, the guide pillar penetrates through the interior of the guide sleeve and slides relative to the guide sleeve.
Furthermore, the spring is fixed on the upper portion of the guide sleeve, the blocking piece is nested on the upper portion of the guide pillar, the blocking piece abuts against the top end of the spring, pressure is applied to the push plate fixing seat and the bus board pressing block through the spring, and the bus board needing hot melting riveting is fixed and positioned.
Furthermore, upper and lower die push rods are arranged on four sides of the top end of the lower die plate, and the upper ends of the upper and lower die push rods are connected with the upper die plate.
Furthermore, the grading preheating hot melting mechanism comprises a heat insulation plate arranged in the middle of the bottom end of the lower template, a heat conduction plate is arranged at the bottom end of the heat insulation plate, and a plurality of heating cores are arranged in the heat conduction plate in parallel and at even intervals.
Further, the bottom of heat-conducting plate is provided with the hot melt push pedal, the both sides of hot melt push pedal all extend to the downside middle part of push pedal fixing base the middle part of hot melt push pedal is provided with the installing port, be provided with hot melt hair hot plate in the installing port, the lower part of hot melt hair hot plate is provided with the cylinder manifold compact heap.
Furthermore, the middle part of cylinder manifold compact heap is provided with a plurality of hot melt heads, the lower part of hot melt head all extends to in the plastic support.
Furthermore, heat dissipation blowing seats are arranged on two sides of the heat conducting plate, air guide pipes are arranged at air outlet ends of the heat dissipation blowing seats, and tail ends of the air guide pipes extend to the interior of the airflow guide grooves on two sides of the bus bar pressing block.
Furthermore, the plastic support comprises an upper fixing seat and a lower base which are wedged and fixed mutually, a plurality of battery grooves are uniformly formed in the lower base, lithium ion power battery packs are arranged in the battery grooves, a bus bar is arranged in the upper fixing seat, and the plastic hot melting column acts on the bus bar to realize the riveting of the bus bar and the lithium ion power battery packs.
Furthermore, a plurality of plastic hot melting columns are uniformly arranged on the upper fixing seat, and the hot melting heads are coated on the plastic hot melting columns and act on the bus board to be riveted with the lithium ion power battery pack.
Compared with the prior art, the efficient hot-melting riveting device for the lithium ion power battery pack provided by the invention has the following beneficial effects:
1. the temperature control, the grading preheating, the heating baking and the cooling are realized through the arranged grading preheating hot melting mechanism, so that the plastic hot melting columns on the plastic can be graded preheated and the temperature of each plastic hot melting column is rapidly reduced during hot melting riveting forming to solidify the plastic, the direct separation of the plastic hot melting columns and the hot melting head in a semi-molten state is avoided, and the problems of hot melting deformation, strain, incompleteness, no wrapping force and insufficient riveting strength are solved;
2. through the hot melting riveting process of the plastic hot melting column and the bus board, the conventional connection mode of screwing the bus board with the strands tightly and the lithium ion power battery pack is replaced, the risk of loosening the screws after long-time use is avoided, and the screws are easy to fall into the lithium ion power battery pack after being loosened, so that short circuit damage is caused among the lithium ion power battery packs, and the cost of the screws is saved;
3. through increasing heat dissipation blowing seat and guide duct, can reduce the temperature of each plastic hot melt post when the hot melt is accomplished and make quick plastic solidification fast, effectively avoid the plastic adhesion under the semi-molten state in hot melt head, reduce and maintain the maintenance time, improve production efficiency and production quality.
Drawings
FIG. 1 is an exploded schematic view of the front structure of a high-efficiency hot-melt riveting device for a lithium ion power battery pack according to the present invention;
FIG. 2 is an exploded schematic view of the back structure of the efficient hot-melt riveting device for the lithium ion power battery pack according to the present invention;
FIG. 3 is a bottom view of the efficient hot-melt riveting device for the lithium ion power battery pack provided by the invention;
fig. 4 is an exploded top view of a plastic support in the efficient hot-melt riveting device for a lithium ion power battery pack according to the present invention.
In the figure: 1-upper mold plate, 2-upper and lower mold push rod, 3-lower mold plate, 4-heat insulation plate, 5-heat conduction plate, 6-heating core, 7-push plate fixing seat, 8-heat dissipation blowing seat, 9-guide post, 10-spring, 11-guide sleeve, 12-hot melting push plate, 13-hot melting hair hot plate, 14-confluence plate pressing block, 15-hot melting head, 16-plastic support, 17-upper fixing seat, 18-lower base, 19-battery jar, 20-plastic hot melting column and 21-confluence plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-4, preferred embodiments of the present invention are shown.
The efficient hot-melting riveting device for the lithium ion power battery pack comprises an upper template 1, guide pillars 9 are arranged on four sides of the bottom end of the upper template 1, springs 10 are arranged on the outer walls of the guide pillars 9, the lower portions of the springs 10 are fixed on a push plate fixing seat 7, the guide pillars 9 penetrate through the push plate fixing seat 7 and extend to the lower portions, a lower template 3 is arranged below the middle of the upper template 1, a graded preheating hot-melting mechanism is arranged at the bottom end of the lower template 3, two sides of the graded preheating hot-melting mechanism extend to the bottom end of the push plate fixing seat 7, so that external force acts on the upper template 1 to drive the upper template 1 to move downwards, when a confluence plate pressing block 14 contacts with the confluence plate 21, the guide pillars 9 move in guide sleeves 11 and compress the springs 10, and pressure is applied to the push plate fixing seat 7, the hot-melting push plate 12 and the confluence plate 21 to perform positioning and fixing before hot melting; the upper die plate 1 drives the device to continue descending, the upper die plate 1 pushes the upper die plate push rod 2 and the lower die plate 3 to drive the graded preheating hot melting mechanism to move downwards, graded preheating, heating baking and active cooling are carried out by controlling the distance and the holding time of the hot melting head 15 contacting the plastic hot melting columns in the plastic support 16, thus the temperature of each plastic hot melting column can be quickly reduced during hot melting riveting forming to solidify the plastic, and the problems of hot melting deformation, strain, non-fullness, no wrapping force and insufficient riveting strength are solved.
In this embodiment, the graded preheating hot melting mechanism comprises a heat insulation plate 4 arranged in the middle of the bottom end of a lower template 3, a heat conduction plate 5 is arranged at the bottom end of the heat insulation plate 4, a plurality of heating cores 6 are arranged in parallel and at even intervals in the heat conduction plate 5, a hot melting push plate 12 is arranged at the bottom end of the heat conduction plate 5, both sides of the hot melting push plate 12 extend to the middle of the lower side of a push plate fixing seat 7, a mounting opening is arranged in the middle of the hot melting push plate 12, a hot melting hair hot plate 13 is arranged in the mounting opening, a bus plate pressing block 14 is arranged at the lower part of the hot melting hair hot plate 13, a plurality of hot melting heads 15 are arranged at the middle part of the bus plate pressing block 14, the lower parts of the hot melting heads 15 extend into a plastic support 16, the heating cores 6 start to generate heat and keep constant temperature after the heat conduction plate 5 is heated to 190 ℃, an external motor pushes the upper template 1 to press the hot melting heads 15 to the plastic hot melting columns in the plastic support 16 for preheating and baking for 1.5mm, the secondary pushes down the plastic and toasts for X seconds of contact again, slowly carries out the hot melt riveting down again, has realized that the plastic preheats in grades, toasts and the hot melt, through the hot melt riveting technology of plastic hot melt post 20 and cylinder manifold 21, has replaced the connected mode of the tight thigh cylinder manifold 21 of conventional screw and lithium ion power battery group, avoids the not hard up risk of screw after the long-time use, and the screw is difficult to fall into inside the lithium ion power battery group after becoming flexible moreover to lead to lithium ion power battery inter block to take place the short circuit damage, and saved the cost of screw.
In this embodiment, all be provided with heat dissipation air blowing seat 8 in the both sides of heat-conducting plate 5, the air-out end of heat dissipation air blowing seat 8 is provided with the guide duct, the end of guide duct extends to the inside air current guide way that the cylinder manifold compresses tightly briquetting 14 both sides, after the hot melt is accomplished, toward heat dissipation air blowing seat 8 transport wind-force entering cylinder manifold compresses tightly briquetting 14 inside with higher speed the circulation of air, dissipate hot melt head 15 and plastic hot melt post fast, the heat of cylinder manifold 21, through increasing heat dissipation air blowing seat 8 and guide duct, heat dissipation air blowing seat 8 bloies and blows in the bonding department of hot melt head 15 and plastic hot melt post 20 through the guide duct, can reduce the temperature of each plastic post 20 fast when the hot melt is accomplished and make quick plastic hot melt solidification, effectively avoid the plastic adhesion under the semi-melting state in hot melt head 15, reduce the maintenance time, improve production efficiency and production quality.
In this embodiment, the plastic support 16 includes an upper fixing base 17 and a lower base 18 which are fixed in an engaged manner, a plurality of battery slots 19 are uniformly arranged in the lower base 18, a lithium ion power battery pack is arranged in the battery slots 19, a bus bar 21 is arranged in the upper fixing base 17, the heat fusion head 15 acts on the bus bar 21 to rivet the bus bar 21 and the lithium ion power battery pack, a plurality of plastic heat fusion posts 20 are uniformly arranged on the upper fixing base 17, the heat fusion head 15 acts on the plastic heat fusion posts 20 to rivet the bus bar 21, thus, the connection between the lithium ion power battery pack and the bus plate 21 is completed, the bus plate 21 and the lithium ion power battery pack are fixed to realize quick connection and fixation, the formed plastic is quickly solidified, the adhesion between the plastic hot melting column 20 and the hot melting head 15 is avoided, and the plastic support 16 of the lithium ion power battery after being molded and the bus board 21 are fixed into a whole.
Specifically, 1.5mm panel of lower part is exactly the cylinder manifold 21 in last fixing base 17, and hot melt head 15 carries out the hot melt riveting to the diameter 3mm plastic hot melt post on plastic support 16 top, and it is mainly acting on cylinder manifold 21, makes cylinder manifold 21 and battery plastic support 16 carry out the riveting fixed.
When the technical scheme is used, external force acts on an upper template 1, the upper template 1 firstly drives a guide post 9 to move and compress a spring 10, the spring 10 then drives a push plate fixing seat 7 to move downwards, the fixing seat 7 presses a bus plate pressing block 14 downwards, so that the bus plate pressing block 14 directly abuts against a plastic support 16, then a power supply of a heating core 6 is switched on, the heating core 6 starts to work to generate heat, a heat conducting plate 5 is heated to 190 ℃ and then keeps constant temperature, the heat is conveyed to a hot melting head 15 by using a hot melting push plate 12 and a heating plate 13, the upper template 1 drives an upper mold push rod 2 and a lower mold push rod 2 to move, so that a lower template 3 presses a hot melting head 15 downwards to a position 1.5mm of a plastic hot melting column in the plastic support 16 to be baked for several seconds, then presses the plastic melting column for baking for two times for X seconds, a heat dissipation blowing seat 8 acts on the interior of an airflow guide groove at two sides of the bus plate pressing block 14 through an air guide pipe, aim at hot melt head 15 rapid cooling solidification X second through the air current guide way, hot melt riveting work is accomplished to the cope match-plate pattern upper mounting, hot melt mechanism realizes preheating in grades, heat and toast and the cooling, can reduce each plastic hot melt post temperature fast after the hot melt riveting shaping and make the plastic solidification, avoid the plastic and hot melt head 15 direct separation when half melting state, solved the hot melt point and warp, strain, not full, no wrapping power, the problem that riveting strength is not enough, also effectively avoid the plastic adhesion under the half melting state in hot melt head 15 simultaneously, reduce and maintain the time, and the production efficiency is improved.
In this embodiment, the whole operation process can be controlled by a computer, and PLC and the like are added to realize automatic operation control, and in each operation link, signal feedback can be performed by setting a sensor to realize sequential execution of steps, which are conventional knowledge of the current automatic control, and are not repeated in this embodiment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The efficient hot-melting riveting device for the lithium ion power battery pack is characterized by comprising an upper template, guide pillars are arranged on four sides of the bottom end of the upper template, springs are arranged on the outer walls of the guide pillars, the lower portions of the springs are fixed on a push plate fixing seat, the guide pillars penetrate through the push plate fixing seat and extend to the lower portion, a lower template is arranged below the middle of the upper template, a graded preheating hot-melting mechanism is arranged at the bottom end of the lower template, and two sides of the graded preheating hot-melting mechanism extend to the bottom end of the push plate fixing seat.
2. The lithium ion power battery pack high-efficiency hot-melting riveting device as claimed in claim 1, wherein the push plate fixing seat is provided with a sliding groove, a guide sleeve is arranged in the sliding groove, and the guide post penetrates through the interior of the guide sleeve and realizes relative sliding in the guide sleeve.
3. The lithium ion power battery pack high-efficiency hot-melting riveting device as claimed in claim 2, wherein the spring is fixed on the upper part of the guide sleeve, and the upper part of the guide post is nested with a blocking piece which is abutted against the top end of the spring and applies pressure to the push plate fixing seat and the bus plate pressing block.
4. The efficient hot-melting riveting device for the lithium ion power battery pack as claimed in claim 3, wherein upper and lower die push rods are arranged on four sides of the top end of the lower template, and the upper ends of the upper and lower die push rods are connected with the upper template.
5. The high-efficiency hot-melting riveting device for the lithium ion power battery pack according to any one of claims 1 to 4, wherein the graded preheating and hot-melting mechanism comprises a heat insulation plate arranged in the middle of the bottom end of the lower template, a heat conduction plate is arranged at the bottom end of the heat insulation plate, and a plurality of heating cores are arranged in the heat conduction plate in parallel and at uniform intervals.
6. The lithium ion power battery pack high-efficiency hot-melting riveting device as claimed in claim 5, wherein the bottom end of the heat conducting plate is provided with a hot-melting push plate, both sides of the hot-melting push plate extend to the middle of the lower side of the push plate fixing seat, the middle of the hot-melting push plate is provided with a mounting opening, a hot-melting hair heating plate is arranged in the mounting opening, and the lower part of the hot-melting hair heating plate is provided with a bus plate pressing block.
7. The efficient hot-melting riveting device for the lithium ion power battery pack as claimed in claim 6, wherein a plurality of hot-melting heads are arranged in the middle of the bus plate pressing block, and the lower parts of the hot-melting heads extend to the upper side of the plastic support.
8. The lithium ion power battery pack high-efficiency hot-melting riveting device as claimed in claim 7, wherein heat dissipation blowing seats are arranged on two sides of the heat conduction plate, air guide pipes are arranged at air outlet ends of the heat dissipation blowing seats, and tail ends of the air guide pipes extend into air flow guide grooves on two sides of the bus bar pressing block.
9. The efficient hot-melting riveting device for the lithium-ion power battery pack as claimed in claim 8, wherein the plastic support comprises an upper fixing seat and a lower base which are fixed in a wedged manner, a plurality of battery slots are uniformly arranged in the lower base, the lithium-ion power battery pack is arranged in each battery slot, and a bus plate is arranged in the upper fixing seat.
10. The lithium ion power battery pack high-efficiency hot melting riveting device as claimed in claim 9, wherein a plurality of plastic hot melting columns are uniformly arranged on the upper fixing seat, and the hot melting heads are coated on the plastic hot melting columns and act on the bus plate to rivet with the lithium ion power battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110673899.3A CN113478850B (en) | 2021-06-17 | 2021-06-17 | High-efficient hot melt riveting set of lithium ion power group battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110673899.3A CN113478850B (en) | 2021-06-17 | 2021-06-17 | High-efficient hot melt riveting set of lithium ion power group battery |
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| Publication Number | Publication Date |
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| CN113478850A true CN113478850A (en) | 2021-10-08 |
| CN113478850B CN113478850B (en) | 2023-05-30 |
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Cited By (3)
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| CN114407375A (en) * | 2022-01-20 | 2022-04-29 | 苏州捷之诚自动化科技有限公司 | DTRO diaphragm welding heating mechanism and DTRO diaphragm welding machine |
| CN114536782A (en) * | 2022-04-24 | 2022-05-27 | 南通万亨新能源科技有限公司 | Hot melting process for battery shell of new energy automobile |
| CN114559675A (en) * | 2022-03-29 | 2022-05-31 | 广东得为科技有限公司 | Riveting equipment and riveting method |
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| CN114407375B (en) * | 2022-01-20 | 2023-09-29 | 苏州捷之诚自动化科技有限公司 | DTRO diaphragm welding heating mechanism and DTRO diaphragm welding machine |
| CN114559675A (en) * | 2022-03-29 | 2022-05-31 | 广东得为科技有限公司 | Riveting equipment and riveting method |
| CN114559675B (en) * | 2022-03-29 | 2023-07-14 | 广东得为科技有限公司 | Rivet equipment and rivet method |
| CN114536782A (en) * | 2022-04-24 | 2022-05-27 | 南通万亨新能源科技有限公司 | Hot melting process for battery shell of new energy automobile |
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|---|---|
| CN113478850B (en) | 2023-05-30 |
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