CN107812920B - Battery cast-welding device and method based on negative pressure quantitative lead liquid suction and storage medium - Google Patents
Battery cast-welding device and method based on negative pressure quantitative lead liquid suction and storage medium Download PDFInfo
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- CN107812920B CN107812920B CN201711086531.7A CN201711086531A CN107812920B CN 107812920 B CN107812920 B CN 107812920B CN 201711086531 A CN201711086531 A CN 201711086531A CN 107812920 B CN107812920 B CN 107812920B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
- B22D25/04—Casting metal electric battery plates or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D39/00—Equipment for supplying molten metal in rations
- B22D39/06—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by controlling the pressure above the molten metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D47/00—Casting plants
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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 provides a battery cast-welding device based on negative pressure quantitative lead liquid suction, which comprises a heating system, a cast-welding system, a conveying structure and a cast-welding bottom die; the heating system is connected with the cast-weld system through a conveying structure; the conveying structure can drive the cast-weld bottom die to move between the heating system and the cast-weld system; the heating system comprises a heating furnace, the heating furnace comprises a box body and a heating device, a cavity is arranged in the box body, a heating space is formed in the cavity, and the heating device heats the heating space; the cast welding system comprises a liquid taking and placing device, the taking and placing device comprises a suction pipe and a liquid containing structure, a liquid containing space is formed inside the liquid containing structure, a heating pipe is arranged in the liquid containing structure, and the suction pipe can move in the up-down direction to enter or leave the liquid containing space. The invention also provides a battery cast-welding method based on negative pressure quantitative lead liquid suction and a readable storage medium. According to the invention, each cast-welding process is separated and operated in parallel, the cast-welding efficiency is improved, negative pressure is adopted to absorb lead, and the lead slag rate is reduced.
Description
Technical Field
The invention relates to the field of metal casting and cast welding, in particular to a battery cast welding device and method based on negative pressure quantitative lead liquid suction and a storage medium.
Background
In the production and manufacturing process of lead-acid batteries, battery grid casting (hereinafter grid casting), and battery electrode group busbar cast-weld (hereinafter referred to as battery cast-weld) connection are key procedures in the production process of the batteries, and are directly related to the production quality, efficiency, production cost, environmental protection and the like of the batteries. In this process, heating of the mold and injection of the lead liquid into the mold are two particularly important process steps.
At present, the bottom die and the grid die are mainly heated in the following modes, namely, the bottom die is completely immersed in lead liquid (hereinafter called immersion type) during the cast welding of the battery, and the bottom die is heated through heat transfer. In battery cast welding, the cooling of the die is also considered, so that the die has relatively large mass, long heating time, more heat taken away by the die during cooling and high energy consumption. The second mode is to adopt medium frequency induction heating, the structure of the mode is complex, the equipment cost is high, and the induction heating is easy to generate the phenomenon of uneven heating. And the third is flame heating, which can cause the local temperature of the die to be high, and the die is easy to crack. The two working modes are open type and series connection, the heat dissipation capacity is large, the energy consumption is high, only one die can be heated at a time by series connection heating, and the working efficiency is low.
At present, in the cast welding production process of grids, a non-quantitative mode of metal liquid immersing and pouring by a die is generally adopted, and the two modes have a plurality of defects, thus the method is a bottleneck problem puzzling the production of the current lead-acid battery. There are various ways to quantify the high temperature metal liquid, but most are based on die quantification. In the storage battery industry, high-temperature liquid lead is different from other high-temperature metal liquid, lead slag is easily formed by oxidation of the surface of the lead liquid, and the influence of the lead slag on the cast-weld quality is large, such as cold joint, off-weld and the like. Most cast-welding mainly adopts the cast-welding mould to sink into the lead liquid and then the liquid level is raised, but the lead liquid on the cast-welding mould brings up the lead slag on the surface of the lead liquid, so most of the lead slag can be scraped by adopting a slag scraping device, but the slag is limited by the quantity of the lead slag on the surface of the lead liquid, so that the lead slag of a lead pot must be fished out by a plurality of moulds, and a plurality of manufacturers must drag out every mould for ensuring the quality. Thus, the lead slag amount is large in the whole production process, and the production cost is greatly increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a battery cast-welding device, a battery cast-welding method and a storage medium based on negative pressure quantitative lead liquid suction.
The invention provides a battery cast-welding device based on negative pressure quantitative lead liquid suction, which comprises a heating system, a cast-welding system, a conveying structure and a cast-welding bottom die; the heating system is connected with the cast-weld system through a conveying structure; the conveying structure can drive the cast-weld bottom die to move between the heating system and the cast-weld system;
the heating system comprises a heating furnace, the heating furnace comprises a box body and a heating device, a cavity is arranged in the box body, a heating space is formed in the cavity, and the heating device heats the heating space;
the cast welding system comprises a liquid taking and placing device, the taking and placing device comprises a suction pipe and a liquid containing structure, a liquid containing space is formed in the inner space of the liquid containing structure, and the suction pipe can move into or out of the liquid containing space along the up-and-down direction.
Preferably, the cast-on-weld system further comprises a lead pan upper moving device; the conveying structure comprises a shifting fork mechanism;
the shifting fork mechanism can shift the cast-weld bottom die from the heating system to the moving device on the lead pan;
the upper moving device of the lead pot can move to the gap between the suction pipe and the liquid containing structure in the up-down direction after the suction pipe moves upwards to leave the liquid containing space.
Preferably, the cast-weld system further comprises a cooling mechanism, a mold clamping mechanism, a lead pan mold pushing mechanism and a mold clamping upper moving device; the cooling structure and the die clamping mechanism are oppositely arranged along the up-down direction;
the lead pot mold pushing mechanism can push the cast-weld bottom mold from the lead pot upper moving device to the mold closing upper moving device;
the mold closing upper moving device can move into a vertical gap between the cooling structure and the mold closing mechanism, and the cooling structure and the mold closing mechanism can move along the vertical direction to be contacted with the cast-welded bottom mold on the mold closing upper moving device.
Preferably, the conveying structure further comprises a mold recycling and conveying assembly, wherein the mold recycling and conveying assembly comprises a mold returning mechanism, a mold feeding mechanism after demolding and a mold lifting mechanism;
the die return mechanism comprises a motor assembly, a driving chain wheel assembly, a die recovery chain and a driven chain wheel assembly; the mold recovery chain is arranged on the driving chain wheel assembly and the driven chain wheel assembly in a penetrating way, and the motor assembly drives the driving chain wheel assembly to rotate;
the mold feeding mechanism and the mold jacking mechanism are respectively positioned at two ends along the conveying direction of the mold recovery chain after demolding;
the heating system further comprises a mold advancing mechanism; the mold propelling mechanism, the mold jacking mechanism and the heating furnace are sequentially arranged;
the mold pushing mechanism can push the cast-weld bottom mold on the mold lifting mechanism into the heating space.
Preferably, the cast-on-weld system further comprises a die scraping mechanism and a secondary box feeding mechanism;
the die scraping mechanism can scrape the cast-weld bottom die from the die closing upper moving device to the die line-feeding mechanism after die stripping;
the secondary box feeding mechanism is positioned at one side of the cooling mechanism.
Preferably, the end faces of the two ends of the box body along the length direction respectively form a first end face and a second end face; the cavity penetrates through the first end face and the second end face, and an inlet and an outlet are formed on the first end face and the second end face respectively;
the passing route of the cast-weld bottom die sequentially passes through the inlet, the heating space and the outlet, and a plurality of cast-weld bottom die arrangement positions are formed on the passing route section in the heating space along the passing direction;
the heating device is a heating pipe; the heating pipes form one or more pipe groups in the length extending direction of the box body; the device also comprises a thermocouple and a temperature controller; the thermocouples, the temperature controllers and the pipe groups are in one-to-one correspondence; the temperature of the individual tube sets can be individually adjusted; sequentially reducing the temperatures of a plurality of tube groups along the direction from an inlet to an outlet, and forming a temperature gradient in a heating space; or alternatively
The box body comprises two or more furnace chambers, a plurality of furnace chambers are provided with heating pipes, and the inner spaces of the furnace chambers are mutually communicated; the furnace chambers, the thermocouples and the temperature controllers are in one-to-one correspondence; along the direction from the inlet to the outlet, the temperature in the furnace chambers is reduced in sequence, and a temperature gradient is formed in the heating space;
the box body is provided with a mould passing channel; the mold passing channel comprises a guide rail which is fixedly connected with the box body; one end, close to the inlet, of the two ends of the guide rail along the length extension direction is provided with a guide opening; the guide rail forms the passing route, and the cast-weld bottom die which is positioned on the guide rail can be extruded from the heating space by the heated object which newly enters the heating space; or alternatively;
a conveying channel is arranged in the box body, and the upper surface of the conveying channel forms the passing route; the transfer passage is capable of transferring the cast on bottom die from the inlet to the outlet.
Preferably, the liquid taking and placing device comprises a liquid taking pipeline, a liquid taking lifting mechanism, a negative pressure pipeline and a protection pipeline;
the protection pipeline is connected with the negative pressure pipeline in parallel and then connected with the liquid taking pipeline; one or more suction pipes are arranged on the liquid taking pipeline, and the suction pipes are connected in parallel;
the protection pipeline is provided with a protection gas storage tank and a third valve, and the protection gas storage tank, the third valve and the liquid taking pipeline are connected in sequence;
the negative pressure pipeline is also provided with a negative pressure pump, a first valve, a negative pressure air storage tank and a second valve; the negative pressure pump, the first valve, the negative pressure air storage tank, the second valve and the liquid taking pipeline are connected in sequence;
the liquid taking lifting mechanism is connected with the suction pipe and comprises any one of the following structures:
-a pneumatic propulsion device;
-a hydraulic propulsion device;
-an electric propulsion device;
-an electromagnetic emission propulsion device.
Preferably, the cooling mechanism comprises a water spray port, a cooling water recovery box, a water inlet pipe, a water cooling lifting mechanism, a water outlet pipe and a cooling rack;
the cooling water recycling box, the water cooling lifting mechanism and the cooling rack are sequentially connected, the water inlet pipe is connected with the water spraying port, the water spraying port is positioned in the cooling water recycling box, and the inner space of the cooling water recycling box is communicated with the water outlet pipe.
The invention also provides a battery cast-welding method based on negative pressure quantitative lead liquid suction, which comprises the following steps:
and (3) lead liquid suction: utilizing negative pressure to enable the suction pipe to suck lead liquid from the lead pot;
a bottom die heating step: heating the cast-welded bottom die by using a heating furnace;
and (3) lead dropping: destroying the negative pressure in the suction pipe to drop the lead liquid in the suction pipe into the cast-weld bottom die;
and (3) mold closing, cooling and demolding: the battery and the cast-weld bottom die are combined together, the cast-weld bottom die is cooled, and then the cast-weld bottom die is demoulded;
and (3) a secondary box loading step: performing secondary box loading on the battery after demoulding;
the bottom die returns to the step: and (5) returning the cast-welded bottom die after demoulding to a heating furnace for heating.
The invention also provides a computer readable storage medium storing a computer program which, when executed by a processor, realizes the steps of the battery cast-on method based on negative pressure quantitative lead liquid suction.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention separates and parallelly works each cast-welding procedure, and greatly improves the cast-welding efficiency.
2. Because the negative pressure lead suction principle is adopted, the die does not need to sink into a lead pot, the lead slag rate is greatly reduced, the lead slag is not required to be fished in the cast welding process, and the loss and mess of lead are reduced.
3. The mold has no cooling water channel, has thin wall thickness and light weight, and greatly reduces the energy loss in the process of heating and cooling the mold.
4. The heating and cooling modes belong to uniformly distributed heating and cooling, the service life of the bottom die is greatly prolonged, and the invention can greatly save energy consumption under the same capacity.
5. The equipment is simple to maintain, the equipment has no potential safety hazard, and safety accidents caused by lead explosion can not occur.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a heating system and mold recycling transport assembly;
FIG. 3 is an elevation view of a cast on system;
FIG. 4 is a left side view of the cast on system;
FIG. 5 is a top view of the cast on system;
FIG. 6 is a flow chart illustrating the operation of the cast on system;
FIG. 7 is a front view of the heating furnace;
FIG. 8 is a front view A-A of the heating furnace in cross section;
FIG. 9 is a schematic diagram of a heating system mechanism;
FIG. 10 is a schematic diagram of the operation of the liquid handling device;
FIG. 11 is a perspective view of the suction pipe and the water-cooled lifting mechanism; FIG. 12 is a perspective view of a cooling mechanism;
FIG. 13 is a flow chart of the working principle of the liquid taking and placing device;
fig. 14 is a flow chart of the cooling mechanism operating principle.
The figure shows:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1, the battery cast-welding device based on negative pressure quantitative lead liquid suction provided by the invention comprises a heating system 1, a cast-welding system 2, a conveying structure and a cast-welding bottom die 3, wherein the heating system 1 is connected with the cast-welding system 2 through the conveying structure, the conveying structure comprises a shifting fork mechanism 203 and a die recycling conveying assembly, and the shifting fork mechanism 203 is used for shifting the cast-welding bottom die 3 from the heating system 1 to the cast-welding system 2; the mold recycling transmission assembly comprises a mold return mechanism 211, a mold feeding mechanism after demolding and a mold jacking mechanism 104, wherein the mold feeding mechanism after demolding and the mold jacking mechanism 104 are respectively positioned at two ends along the transmission direction of the mold return mechanism 211, the mold feeding mechanism after demolding can place the cast-weld bottom mold 3 on the mold return mechanism 211, the mold jacking mechanism 104 can eject the cast-weld bottom mold 3 from the mold return mechanism 211, and the mold recycling transmission assembly is used for conveying the cast-weld bottom mold 3 from the cast-weld system 2 to the heating system 1.
The heating system 1 includes a heating furnace 106, as shown in fig. 7 and 8, in the embodiment, the heating furnace 106 includes a box 115, a heating device, and a guide rail 118, a cavity is disposed in the box 115, and an internal space of the cavity forms a heating space, and the heating device is located in the heating space and can heat the heating space. The two end surfaces of the box 115 along the length direction respectively form a first end surface 131 and a second end surface 132, and the cavity penetrates through the first end surface 131 and the second end surface 132 and respectively forms an inlet and an outlet on the first end surface 131 and the second end surface 132. The heat insulation layer is arranged on the inner wall surface and/or the outer wall surface of the box body 115, the inlet and the outlet are of an open structure, the size of the inlet and the size of the outlet are matched with the size of the cast-weld mold 3, the inlet and the outlet pass through one cast-weld mold 3 at a time, and therefore, the box body 115 is in a closed state except for the inlet and the outlet, and the rest part is in a good heat insulation effect. The passage route of the cast-weld bottom die 3 sequentially passes through the inlet, the heating space and the outlet, a plurality of cast-weld bottom die 3 arrangement positions are formed on the passage route line section in the heating space along the passage direction, the cast-weld bottom die 3 arrangement positions are dynamic, for one cast-weld bottom die 3, when moving along with the heating route, a corresponding space is always provided for the cast-weld bottom die 3 on the guide rail 118, and the space forms the cast-weld bottom die 3 arrangement positions. The guide rail 118 is fixedly connected with the box 115; the guide rail 118 is provided with a guide opening at one of both ends in the length extending direction near the inlet, the guide rail 118 forms the passage route, and the cast-on bottom die 3 which has been located on the guide rail 118 can be extruded from the heating space by the cast-on bottom die 3 newly entered into the heating space. Preferably, the guide rail 118 is a guide plate or guide rail 118; preferably, not provided within the box 115 are stationary guide rails 118, but other mould passage channels, such as for example circumferentially moving transfer channels, the upper surfaces of which form said passage paths, which transfer channels are capable of transferring the cast on bottom mould 3 from the inlet to the outlet; further preferably, the conveying channel is a track structure or a chain structure. Preferably, no guide opening is provided on the guide rail 118, but when the cast on bottom die 3 is introduced, there may be a situation that the cast on bottom die 3 is not placed correctly and is blocked at the inlet. Preferably, the thermal insulation layer is paved, so that the box 115 has good thermal insulation performance, and heat dissipation of the box 115 is reduced.
In an embodiment, the box 115 is provided with a thermocouple and a temperature controller, the heating device is a heating pipe, the thermocouple extends from the heating space along the width direction of the box 115 to penetrate through the front end face and/or the rear end face of the box 115 to reach the external space of the box 115, and the temperature controller is mounted on the upper end face of the box 115. The heating tube axis extends in any one or more of the following directions: the length extending direction of the case 115, the width extending direction of the case 115, the oblique direction, and the arc direction. The plurality of heating pipes form one or more pipe groups in the length extending direction of the box 115, and the heating pipes further comprise thermocouples and temperature controllers, wherein the thermocouples, the temperature controllers and the pipe groups are in one-to-one correspondence; the temperature of the individual tube groups can be individually adjusted, and the temperatures of a plurality of the tube groups are sequentially reduced in the inlet-to-outlet direction, forming a temperature gradient in the heating space. Preferably, the temperature relationship between the tube sets can also be adjusted according to actual needs, for example, the temperatures of all the tube sets are equal, or the temperatures of a plurality of the tube sets sequentially rise along the direction from the inlet to the outlet, or the temperature distribution of the tube sets is irregular, etc., but these structures are not beneficial to the rapid heating of the heated member on one hand, and on the other hand, the defect of energy waste caused by higher temperature can also exist in the heat preservation process. Preferably, as shown in fig. 8, a first tube group 117 and a second tube group 116 are provided in the left-right extending direction, and the first tube group 117 is provided with a first thermocouple 113 and a first temperature controller 111, respectively; the second tube set 116 is provided with a second thermocouple 114 and a second temperature controller 112, the first temperature controller 111 controls the heating temperature of the first tube set 117 according to the temperature measured by the first thermocouple 113, and further adjusts the temperature of the left heating space, and the second temperature controller 112 controls the heating temperature of the second tube set 116 according to the temperature measured by the second thermocouple 114, and further adjusts the temperature of the right heating space, so that the box 115 can generate a temperature gradient in the left-right direction. In the operation process, the temperature of the heating space at the side where the inlet is positioned can be set at a higher value, the temperature of the heating space at the side where the outlet is positioned is set at a lower value, and the temperature of the heated piece is raised to the required temperature in a short time. In a preferred embodiment, the box 115 includes a plurality of furnace chambers, a plurality of furnace chambers are all provided with heating pipes, the inner spaces of the plurality of furnace chambers are mutually communicated, the furnace chambers, the thermocouples and the temperature controllers are in one-to-one correspondence, and by adjusting the temperature controllers, the temperatures in the plurality of furnace chambers are sequentially reduced along the direction from the inlet to the outlet, and a temperature gradient is formed in the heating space. Preferably, the guide rail 118 or the transfer passage is arranged in any one of the following ways along the height direction of the case 115: is positioned among the heating pipes; are positioned above all heating pipes; the guide rail 118 or the conveying channel is located below all heating pipes, and when the guide rail 118 or the conveying channel is located between a plurality of heating pipes, the heated member can be uniformly heated, and the effect is optimal.
The plurality of cast-weld bottom dies 3 can be stored in the heating space for turnover, and the plurality of cast-weld bottom dies 3 work in parallel, that is to say, the plurality of cast-weld bottom dies 3 can heat in the heating space simultaneously, and compared with a serial mode that only one cast-weld bottom die 3 can be heated at a time, the generating efficiency is effectively improved. To achieve the feeding operation of the cast-weld bottom die 3 from the outside to the heating space, as shown in fig. 2 and 9, the heating system 1 further includes a heating frame 109 and a die pushing mechanism 103, the heating frame 109 includes a heating support 120 and a feeding support, and the case 115 is fastened to the heating support 120 by a fixing member 121 such as a bolt, and the heating support 120 and the feeding support are integrally formed, fastened to each other, or separated from each other. The mold pushing mechanism 103 and the mold lifting mechanism 104 are mounted on the feeding support portion, the box 115, the mold lifting mechanism 104 and the mold pushing mechanism 103 are sequentially arranged along the length extending direction of the heating rack 109, the mold lifting mechanism 104 is slidably connected with the feeding support portion, and the mold lifting mechanism 104 can move in the up-down direction by adopting structures such as a pneumatic pushing device, a gear rack and the like. The mold advancing mechanism 103 comprises any one of the following structures: pneumatic propulsion means, hydraulic propulsion means, electric propulsion means, electromagnetic emission propulsion means. In a preferred embodiment, a temperature sensor is further disposed at the outlet of the box 115, and the temperature sensor is used for measuring the temperature of the cast-welded bottom die 3 coming out from the outlet, and the control device further comprises a propulsion control module: and receiving a temperature signal from a temperature measuring sensor, and controlling the pushing speed of the mold pushing mechanism 103. Thus, when the temperature of the cast-weld bottom die 3 is too high, the pushing speed of the die pushing mechanism 103 is increased, so that the heating time of the cast-weld bottom die 3 in the heating space is reduced, the die stripping temperature is reduced, and vice versa, the closed-loop control of the heating temperature of the cast-weld bottom die 3 is realized through the structure, and the heating quality and efficiency are further improved.
The cast-weld system 2 includes a liquid pick-and-place device 206, as shown in fig. 10, where the liquid quantitative pick-and-place device includes a liquid pick-up pipeline 221, a negative pressure pipeline 222, a protection pipeline 223, a liquid discharge bypass 224, and a liquid containing structure 204, where the negative pressure pipeline 222 and the protection pipeline 223 are connected in parallel and then connected to the liquid pick-up pipeline 221, one or more suction pipes 240 are disposed on the liquid pick-up pipeline 221, and the liquid discharge bypass 224 is disposed between the negative pressure pipeline 222 and the suction pipes 240. In an embodiment, the suction pipe 240 is connected with the negative pressure pipeline 222, the protection pipeline 223 and the liquid discharge bypass 224 through a bus bar; the liquid containing structure 204 forms a liquid containing space therein for containing liquid, and the suction pipe 240 can extend into or leave the liquid containing space when moving in the up-down direction. The protection pipeline 223 is provided with a protection gas storage tank 238 and a third valve 237, and the protection gas storage tank 238, the third valve 237 and the liquid taking pipeline 221 are sequentially connected. The negative pressure pipeline 222 is provided with a negative pressure pump 235, a first valve 234, a negative pressure air storage tank 233 and a second valve 236, and the negative pressure pump 235, the first valve 234, the negative pressure air storage tank 233, the second valve 236 and the liquid taking pipeline 221 are sequentially connected. The liquid discharge bypass 224 is communicated with an external air source or the atmosphere, and a fourth valve 239 is arranged on the liquid discharge bypass 224. The negative pressure air storage tank 233 is provided with a pressure sensor 232, the pressure sensor 232 is connected with the controller 231, the controller 231 comprises a valve control module, and the valve control module is used for controlling any one or more of the following valves: a first valve 234, a second valve 236, a third valve 237, a fourth valve 239. In addition, in the embodiment, the liquid containing structure 204 is a lead pot, and the lead pot contains lead liquid, and correspondingly, the suction pipe 240 is a lead suction rod, and the liquid taking and placing device 206 is a lead dropping mechanism; the negative pressure pump 235 is a vacuum pump; the first valve 234, the second valve 236, the third valve 237 and the fourth valve 239 are all electromagnetic valves; the inert gas is stored in the shielding gas storage tank 238. As shown in fig. 11, the liquid pick-and-place device 206 further includes a liquid pick-up and-place mechanism 260, where the liquid pick-up and-place mechanism 260 is connected to a lead suction rod, and an orifice of the lead suction rod for picking and placing lead liquid, that is, a lead dropping head 263 is located at the lower end of the lead suction rod. In the embodiment, the liquid taking and lifting mechanism 260 includes a liquid taking motor 261 and a liquid taking screw 262, and the up-and-down adjustment of the lead suction rod is realized by an electric propulsion device, and in a preferred embodiment, the liquid taking and lifting mechanism may further include any one of the following driving mechanisms: pneumatic propulsion unit, hydraulic propulsion unit, electromagnetic emission propulsion unit. Preferably, a heating mechanism is provided inside the liquid containing structure 204 for continuously heating the liquid, such as lead liquid, inside the liquid containing structure 204.
Of course, in a preferred embodiment, the lead pan may also contain other metal liquids such as zinc liquid, iron liquid, and the like. Preferably, the liquid containing structure 204 may also be a conventional container for containing mercury liquid. After the suction pipe 240 sucks the liquid and leaves the liquid containing space, the liquid in the suction pipe 240 can be dropped into the cast-weld bottom die 3 by continuing to move the suction pipe 240 or moving the cast-weld bottom die 3 to a set position. Preferably, there may be a common valve among the first, second, third, and fourth valves 234, 236, 237, and 239, which is opened or closed by a person, but this structure may result in an increase in labor cost. Preferably, the external air source is not external air, but a storage tank filled with protective gas, so that the metal liquid such as lead liquid is uniformly distributed without or with little contact with air in the whole sucking and discharging process, and oxidation of the metal liquid is avoided or reduced. Preferably, the shielding gas reservoir 238 is filled with other shielding gases such as carbon dioxide, nitrogen, and the like. Preferably, the suction pipes 240 of various specifications are provided, because the liquid suction amounts are different in different environments, the heights of the sucked liquid in the suction pipes 240 are uniform on the premise of the same negative pressure and the same liquid according to the fluid pressure formula p=pgh, and by using the suction pipes 240 of different specifications, on one hand, the liquid in the plurality of suction pipes 240 can be collected in the busbar, and on the other hand, the liquid of various volumes can be obtained efficiently and accurately, and the liquid of different volumes can be injected for different molds. In addition, when the suction pipe 240 is a lead suction rod, the inner diameter of the opening at the lower end of the lead suction rod is controlled to be 1.2mm, so that the tension of lead liquid can be ensured, when the lead suction rod leaves the lead liquid in the lead pot, the lead liquid in the lead suction rod is prevented from dripping out, and when the lead liquid is released, the lead suction pipe is smooth, if the opening at the lower end of the lead suction rod is designed to be smaller, the speed of the lead liquid flowing out is slower, and the efficiency is influenced; when the design of the opening hole is too large, the lead liquid is likely to drop out of the lead suction rod, so that the accuracy of the lead liquid taking amount is affected, and more lead liquid is oxidized; further preferably, when the lead suction rod is lifted to the level of the lead liquid, the second valve 236 (solenoid valve) is de-energized immediately after re-energization, preventing the lead liquid from dripping out of the lead suction rod. In a preferred embodiment, the liquid taking pipe 221 is further provided with an infrared sensor, where the infrared sensor is fixed relative to the suction pipe 240, and the infrared sensor is used for detecting the distance between the suction pipe 240 and the surface of the liquid in the liquid containing structure 204, and preferably, the infrared sensor may be another type of ranging sensor, such as an ultrasonic sensor.
As shown in fig. 13, the negative pressure pump 235 is a vacuum pump, and the negative pressure value that can be reached after the vacuum pump is evacuated is set to be more than 50 times of the negative pressure set value in operation. The first valve 234 connected with the vacuum pump is a direct-acting electromagnetic valve, the first valve 234 forms a first electromagnetic valve, when the first electromagnetic valve is electrified, the vacuum pump pumps vacuum for the negative pressure air storage tank 233, when the pressure sensor 232 detects that the negative pressure in the negative pressure air storage tank 233 reaches a set value, the first electromagnetic valve is powered off, the vacuum pump does not pump vacuum for the negative pressure air storage tank 233 any more, and the negative pressure in the negative pressure air storage tank 233 is kept at the set value. The pressure sensor 232 is connected with the controller 231, when the negative pressure is lower than a set value, the controller 231 controls the first electromagnetic valve to be electrified, the vacuum pump pumps the negative pressure of the negative pressure air storage tank 233 until the detected negative pressure value reaches the set value, and controls the first electromagnetic valve to be powered off. Operating in this cycle. The lead liquid sucked up is quantified by a stable negative pressure. The suction pipe 240 is a lead suction rod for sucking lead liquid; the liquid containing structure 204 is a lead pan and is used for containing lead liquid; the shielding gas is an inert gas. The lead suction rod is connected with three electromagnetic valves of a second valve 236, a third valve 237 and a fourth valve 239 through a bus, and the second valve 236, the third valve 237 and the fourth valve 239 respectively form a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve. The second electromagnetic valve is used for controlling the suction of lead, the fourth electromagnetic valve is used for controlling the release of lead liquid, the third electromagnetic valve is used for controlling the blowing of inert gas to residues and keeping the inert gas in the lead suction rod, so that the sucked lead liquid is prevented from being oxidized. When the lead suction rod is immersed into the lead liquid, the second electromagnetic valve is electrified and opened for about 4 seconds, the lead suction rod is stopped after the power is cut off, the lead suction rod is lifted to the liquid level, the second electromagnetic valve is immediately powered off after the power is electrified again, after the lead suction rod is lifted in place, the cast-weld bottom die 3 is in place, the fourth electromagnetic valve is electrified to release the lead liquid in the lead suction rod to the cast-weld bottom die 3, and then the cast-weld bottom die 3 is moved to the next station; after the lead liquid is released, the fourth electromagnetic valve is closed, the third electromagnetic valve is opened to blow inert gas into the lead suction rod, residues in the lead suction rod are blown out, the inert gas in the lead suction rod is kept, the lead liquid sucked next time is ensured not to be oxidized, and the circulating work is performed.
The cast-weld system 2 further comprises a cooling mechanism 208, as shown in fig. 12, wherein the cooling mechanism 208 comprises a water spray port 251, a cooling water recovery box 252, a water inlet pipe 253, a water cooling lifting mechanism 254, a water outlet pipe 255 and a cooling rack 256, the cooling water recovery box 252, the water cooling lifting mechanism 254 and the cooling rack 256 are sequentially connected, the water inlet pipe 253 is connected with the water spray port 251, the water spray port 251 is positioned in the cooling water recovery box 252, and the inner space of the cooling water recovery box 252 is communicated with the water outlet pipe 255. When the cooling mechanism 208 is applied to the field of cast welding, the cooling mechanism is used for cooling the cast welding bottom die 3, and the specific principle is as follows: the water cooling lifting mechanism 254 can move up and down to be adjusted, after the water cooling lifting mechanism 254 is lifted to a position, the cast-weld bottom die 3 is contacted with the water spraying port 251, the water inlet pipe 253 is connected with an external pump, cold cooling water is pumped, the cold cooling water is sprayed out through the water spraying port 251 through the water inlet pipe 253, the cast-weld bottom die 3 is cooled, at the moment, the cooling water is changed into hot cooling water, flows into the cooling water recovery box 252 from the flanges around the water spraying port 251, then flows out to the cooling water tower through the water outlet pipe 255, the hot cooling water is cooled in the cooling water tower and is changed into cold cooling water again, and the cold cooling water is continuously pumped to the water spraying port 251 to cool the cast-weld bottom die 3 under the action of the pump, so that the whole cooling process schematic diagram is shown in fig. 14. The cooling mechanism 208 is located at one side of the liquid containing structure 204, and in the actual use process, the cast-weld bottom die 3 receives the liquid discharged by the suction pipe 240 above the liquid containing structure 204 and then reaches the cooling mechanism 208 under the action of an external pushing mechanism; in a preferred embodiment, the suction pipe 240 can reciprocate between the cooling mechanism 208 and the liquid containing structure 204, so as to suck the lead liquid in the liquid containing structure 204 onto the cast-weld bottom die 3 on the cooling mechanism 208, thereby completing the whole process flow.
As shown in fig. 3 to 5, the cast-on-mold system 2 further includes a pot-up moving device 201, a mold clamping mechanism 209, a pot mold pushing mechanism 205, a mold-up moving device 207, a mold scraping mechanism 213, and a secondary box-in mechanism 212. The shifting fork mechanism 203 can shift the cast-weld bottom die 3 from the heating system 1 to the lead pot upper moving device 201, and the lead pot upper moving device 201 can move to a gap between the suction pipe 240 and the liquid containing structure 204 in the up-down direction after the suction pipe 240 moves upwards to leave the liquid containing space. The cooling structure and the clamping mechanism 209 are oppositely arranged in the vertical direction, the lead pot mold pushing mechanism 205 can push the cast-on bottom mold 3 from the lead pot upper moving device 201 to the clamping upper moving device 207, the clamping upper moving device 207 can move into a vertical gap between the cooling structure and the clamping mechanism 209, and the cooling structure and the clamping mechanism 209 can move in the vertical direction to be in contact with the cast-on bottom mold 3 on the clamping upper moving device 207. The die scraping mechanism 213 can scrape the cast-weld bottom die 3 from the die-closing moving device 207 to the die-up mechanism after the die is released, and the secondary box-in mechanism 212 is located at one side of the cooling mechanism 208. In a preferred embodiment, the mold return mechanism 211 comprises a motor assembly 101, a drive sprocket assembly 102, a mold recovery chain 107, and a driven sprocket assembly 108; the mold recovery chain 107 is arranged on the driving chain wheel assembly 102 and the driven chain wheel assembly 108 in a penetrating manner, the motor assembly 101 drives the driving chain wheel assembly 102 to rotate through a belt, a chain structure or a gear, the mold feeding mechanism and the mold jacking mechanism 104 are respectively located at two ends along the transmission direction of the mold recovery chain 107 after demolding, the mold feeding mechanism can place the cast-weld bottom mold 3 on the mold recovery chain 107 after demolding, and the mold jacking mechanism 104 can eject the cast-weld bottom mold 3 from the mold recovery chain 107.
As shown in fig. 6, the working principle of the invention is as follows: the suction pipe 240 sucks lead liquid from the lead pot, then ascends to leave the liquid containing space, and a space for placing the cast-weld bottom die 3 is reserved between the suction pipe 240 and the lead pot; the cast-weld bottom die 3 is pushed out from the heating furnace 106, the shifting fork mechanism 203 shifts the cast-weld bottom die 3 to the lead pot upper moving device 201, the lead pot upper moving device 201 drives the cast-weld bottom die 3 to reach between the suction pipe 240 and the lead pot, the lead liquid in the suction pipe 240 is discharged into the cast-weld bottom die 3 by destroying negative pressure, the lead pot mold pushing mechanism 205 pushes the cast-weld bottom die 3 to the mold closing upper moving device 207, the mold closing mechanism 209 descends to combine the battery with the cast-weld bottom die 3, the cooling mechanism 208 ascends from below to spray water for cooling the cast-weld bottom die 3, and after the lead liquid is cooled and solidified, the mold closing mechanism 209 ascends, and the cooling mechanism 208 descends. The welded battery is sent to a secondary box-entering mechanism 212, and the secondary box-entering mechanism 212 completely presses the inner electrode group of the battery into the battery box; the second mold closing upper moving device 207 moves forward to send the cast-weld bottom mold 3 to the lower part of the scraping mechanism 213, the scraping mechanism 213 pushes the cast-weld bottom mold 3 to the cutter bottom mold upper line mechanism, the bottom mold upper line mechanism descends to place the cast-weld bottom mold 3 on the mold return mechanism 211, the mold return mechanism 211 conveys the cast-weld bottom mold 3 back to the mold jacking mechanism 104, and the mold jacking mechanism 104 jacks the cast-weld bottom mold 3 to the inlet of the heating furnace 106, so that the cast-weld bottom mold 3 can be recycled.
The invention also provides a battery cast-welding method based on negative pressure quantitative lead liquid suction, which comprises the following steps: and (3) lead liquid suction: the suction pipe 240 sucks lead liquid from the lead pot by utilizing negative pressure; a bottom die heating step: heating the cast-weld bottom die 3 by using a heating furnace 106; and (3) lead dropping: destroying the negative pressure in the suction pipe 240 to drop the lead liquid in the suction pipe 240 into the cast-weld bottom die 3; and (3) mold closing, cooling and demolding: the battery and the cast-weld bottom die 3 are combined together, and after the cast-weld bottom die 3 is cooled, the cast-weld bottom die 3 is demolded; and (3) a secondary box loading step: performing secondary box loading on the battery after demoulding; the bottom die returns to the step: and sending the cast-welded bottom die 3 after demoulding back to the heating furnace 106 for heating. Correspondingly, the invention also provides a computer readable storage medium storing a computer program, wherein the computer program realizes the steps of the battery cast welding method based on negative pressure quantitative lead liquid suction when being executed by a processor.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (7)
1. The battery cast-welding device based on negative pressure quantitative lead liquid suction is characterized by comprising a heating system (1), a cast-welding system (2), a conveying structure and a cast-welding bottom die (3); the heating system (1) is connected with the cast-weld system (2) through a conveying structure; the conveying structure can drive the cast-weld bottom die (3) to move between the heating system (1) and the cast-weld system (2);
the heating system (1) comprises a heating furnace (106), the heating furnace (106) comprises a box body (115) and a heating device, a cavity is arranged in the box body (115), a heating space is formed in the cavity, and the heating device heats the heating space;
the cast-weld system (2) comprises a liquid taking and placing device (206), the liquid taking and placing device comprises a suction pipe (240) and a liquid containing structure (204), a liquid containing space is formed in the inner space of the liquid containing structure (204), an electric heating pipe is arranged in the liquid containing space and used for heating lead, and the suction pipe (240) can move up and down to enter or leave the liquid containing space under the driving of a power mechanism;
the cast-on-weld system (2) further comprises a moving device (201) on the lead pan; the conveying structure comprises a shifting fork mechanism (203);
the shifting fork mechanism (203) can shift the cast-weld bottom die (3) from the heating system (1) to the moving device (201) on the lead pan;
the lead pot upper moving device (201) can move to a gap in the up-down direction between the suction pipe (240) and the liquid containing structure (204) after the suction pipe is moved upwards to leave the liquid containing space;
the two end surfaces of the box body (115) along the length direction respectively form a first end surface (131) and a second end surface (132); the cavity penetrates through the first end face (131) and the second end face (132), and an inlet and an outlet are formed on the first end face (131) and the second end face (132) respectively;
the passing route of the cast-weld bottom die (3) sequentially passes through the inlet, the heating space and the outlet, and a plurality of arrangement positions of the cast-weld bottom die (3) are formed on the passing route section in the heating space along the passing direction;
the heating device is a heating pipe; a plurality of heating pipes form a plurality of pipe groups in the length extending direction of the box body (115); the device also comprises a thermocouple and a temperature controller; the thermocouples, the temperature controllers and the pipe groups are in one-to-one correspondence; the temperature of the individual tube sets can be individually adjusted; sequentially reducing the temperatures of a plurality of tube groups along the direction from an inlet to an outlet, and forming a temperature gradient in a heating space; or alternatively
The box body (115) comprises a plurality of furnace chambers, the furnace chambers are provided with heating pipes, and the inner spaces of the furnace chambers are mutually communicated; the furnace chambers, the thermocouples and the temperature controllers are in one-to-one correspondence; along the direction from the inlet to the outlet, the temperature in the furnace chambers is reduced in sequence, and a temperature gradient is formed in the heating space;
the box body (115) is provided with a mould passing channel; the mold passing channel comprises a guide rail (118), and the guide rail (118) is fixedly connected with the box body (115); one end, close to the inlet, of the two ends of the guide rail (118) along the length extension direction is provided with a guide opening; the guide rail (118) forms the passing route, and the cast-weld bottom die (3) which is positioned on the guide rail (118) can be extruded from the heating space by the heated object which is newly introduced into the heating space; or alternatively;
a conveying channel is arranged in the box body (115), and the upper surface of the conveying channel forms the passing route; the conveying channel can convey the cast-welded bottom die (3) from an inlet to an outlet;
the liquid taking and placing device (206) comprises a liquid taking pipeline (221), a liquid taking lifting mechanism, a negative pressure pipeline (222) and a protection pipeline (223);
the protection pipeline (223) is connected with the negative pressure pipeline (222) in parallel and then connected with the liquid taking pipeline (221); a plurality of suction pipes (240) are arranged on the liquid taking pipeline (221), and the suction pipes (240) are connected in parallel;
the protection pipeline (223) is provided with a protection gas storage tank (238) and a third valve (237), and the protection gas storage tank (238), the third valve (237) and the liquid taking pipeline (221) are connected in sequence;
the negative pressure pipeline (222) is also provided with a negative pressure pump (235), a first valve (234), a negative pressure air storage tank (233) and a second valve (236); the negative pressure pump (235), the first valve (234), the negative pressure air storage tank (233), the second valve (236) and the liquid taking pipeline (221) are sequentially connected;
the liquid taking lifting mechanism is connected with the suction pipe (240) and comprises any one of the following structures:
-a pneumatic propulsion device;
-a hydraulic propulsion device;
-an electric propulsion device;
-an electromagnetic emission propulsion device.
2. The battery cast-on-weld device based on negative pressure quantitative lead liquid suction according to claim 1, wherein the cast-on-weld system (2) further comprises a cooling mechanism (208), a clamping mechanism (209), a lead pan mold pushing mechanism (205) and a mold-on-mold moving device (207); the cooling mechanism (208) and the die clamping mechanism (209) are oppositely arranged along the up-down direction;
the lead pan mold pushing mechanism (205) can push the cast-weld bottom mold (3) from the lead pan upper moving device (201) to the mold closing upper moving device (207);
the mold-clamping moving device (207) can move into a vertical gap between the cooling mechanism (208) and the mold-clamping mechanism (209), and the cooling mechanism (208) and the mold-clamping mechanism (209) can move in the vertical direction to be in contact with the cast-weld bottom mold (3) on the mold-clamping moving device (207).
3. The negative pressure quantitative lead liquid suction-based battery cast-welding device according to claim 2, wherein the conveying structure further comprises a mold recycling and conveying assembly, and the mold recycling and conveying assembly comprises a mold returning mechanism (211), a mold on-line mechanism after demolding and a mold jacking mechanism (104);
the die return mechanism (211) comprises a motor assembly (101), a driving sprocket assembly (102), a die recovery chain (107) and a driven sprocket assembly (108); the mold recovery chain (107) is arranged on the driving chain wheel assembly (102) and the driven chain wheel assembly (108) in a penetrating way, and the motor assembly (101) drives the driving chain wheel assembly (102) to rotate;
the mold wire feeding mechanism and the mold jacking mechanism (104) are respectively positioned at two ends along the transmission direction of the mold recovery chain (107) after demolding;
the heating system (1) further comprises a mould advancing mechanism (103); the mold pushing mechanism (103), the mold jacking mechanism (104) and the heating furnace (106) are sequentially arranged;
the mold pushing mechanism (103) can push the cast-weld bottom mold (3) on the mold lifting mechanism (104) into the heating space.
4. The battery cast-on-weld device based on negative pressure quantitative lead liquid suction according to claim 3, wherein the cast-on-weld system (2) further comprises a mold scraping mechanism (213) and a secondary box-in mechanism (212);
the die scraping mechanism (213) can scrape the cast-weld bottom die (3) from the die closing upper moving device (207) to the die on-line mechanism after die stripping;
the secondary cassette loading mechanism (212) is located on one side of the cooling mechanism (208).
5. The negative pressure quantitative lead liquid suction-based battery cast-on device according to claim 2, wherein the cooling mechanism (208) comprises a water spray port (251), a cooling water recovery box (252), a water inlet pipe (253), a water cooling lifting mechanism (254), a water outlet pipe (255) and a cooling rack (256);
the cooling water recycling box (252), the water cooling lifting mechanism (254) and the cooling rack (256) are sequentially connected, the water inlet pipe (253) is connected with the water spraying port (251), the water spraying port (251) is positioned in the cooling water recycling box (252), and the inner space of the cooling water recycling box (252) is communicated with the water outlet pipe (255).
6. A battery cast-welding method based on negative pressure quantitative lead liquid suction, characterized in that the battery cast-welding device based on negative pressure quantitative lead liquid suction as set forth in any one of claims 1-5 is adopted, comprising the following steps:
and (3) lead liquid suction: using negative pressure to enable the suction pipe (240) to suck lead liquid from the lead pot;
a bottom die heating step: heating the cast-welded bottom die (3) by using a heating furnace (106);
and (3) lead dropping: destroying the negative pressure in the suction pipe (240) to drop the lead liquid in the suction pipe (240) into the cast-weld bottom die (3);
and (3) mold closing, cooling and demolding: the battery and the cast-weld bottom die (3) are combined together, the cast-weld bottom die (3) is cooled, and then the cast-weld bottom die (3) is demoulded;
and (3) a secondary box loading step: performing secondary box loading on the battery after demoulding;
the bottom die returns to the step: and (3) the cast-welded bottom die (3) after demoulding is sent back to a heating furnace (106) for heating.
7. A computer readable storage medium storing a computer program, characterized in that the computer program, when being executed by a processor, realizes the steps of the negative pressure quantitative lead liquid suction based battery cast-on method as claimed in claim 6.
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| CN201711086531.7A CN107812920B (en) | 2017-11-07 | 2017-11-07 | Battery cast-welding device and method based on negative pressure quantitative lead liquid suction and storage medium |
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| CN201711086531.7A CN107812920B (en) | 2017-11-07 | 2017-11-07 | Battery cast-welding device and method based on negative pressure quantitative lead liquid suction and storage medium |
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| CN114734023A (en) * | 2022-05-03 | 2022-07-12 | 浙江园润智能装备有限公司 | Bus bar cast-weld cooling method and cast-weld machine applying same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09182951A (en) * | 1995-12-28 | 1997-07-15 | Matsushita Electric Ind Co Ltd | Device for manufacturing lead storage battery and its manufacture |
| CN202357314U (en) * | 2011-11-24 | 2012-08-01 | 广州市博汇新材料科技有限公司 | Heating device capable of adjusting temperature gradient |
| GB2507485B (en) * | 2012-10-30 | 2015-08-05 | Tbs Eng Ltd | Lead delivery apparatus |
| CN103078146B (en) * | 2012-12-28 | 2015-11-18 | 上海素朴智能设备制造有限公司 | What after storage battery cast-welding, automatic short-circuit detected enters slot device and method |
| CN104534868B (en) * | 2014-10-31 | 2016-04-13 | 武汉钢铁(集团)公司 | Heat stamping and shaping plate heating furnace |
| CN204770600U (en) * | 2014-11-14 | 2015-11-18 | 刘凡 | Continuous cast joint equipment of lead acid battery busbar and utmost point post |
| CN205927072U (en) * | 2016-07-06 | 2017-02-08 | 重庆博雅电源科技有限公司 | Storage battery plant bars casting system |
| CN106077588B (en) * | 2016-08-30 | 2018-09-28 | 福建亚亨机械股份有限公司 | A kind of accumulator cell lead bus-bar casting device |
| CN207521689U (en) * | 2017-11-07 | 2018-06-22 | 上海素朴智能设备制造有限公司 | The battery cast welded device of lead liquid is quantitatively drawn based on negative pressure |
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Effective date of registration: 20200210 Address after: 200335 Shanghai city Changning District Xianxia Road No. 350 Applicant after: SHANGHAI University OF ENGINEERING SCIENCE Applicant after: Shanghai Supu Intelligent Equipment Manufacturing Co.,Ltd. Address before: 201104 Shanghai Huaning Minhang District Industrial Zone Xhenzhuang Road No. 3750 Building 1 Applicant before: Shanghai Supu Intelligent Equipment Manufacturing Co.,Ltd. |
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