CN116864602B - Glue pressing mechanism and glue pressing method for dry electrode sodium battery pole piece - Google Patents
Glue pressing mechanism and glue pressing method for dry electrode sodium battery pole piece Download PDFInfo
- Publication number
- CN116864602B CN116864602B CN202310797377.3A CN202310797377A CN116864602B CN 116864602 B CN116864602 B CN 116864602B CN 202310797377 A CN202310797377 A CN 202310797377A CN 116864602 B CN116864602 B CN 116864602B
- Authority
- CN
- China
- Prior art keywords
- pole piece
- frame
- roller
- rod
- adhesive tape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 79
- 238000003825 pressing Methods 0.000 title claims abstract description 29
- 239000003292 glue Substances 0.000 title claims abstract description 19
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 15
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 15
- 239000011734 sodium Substances 0.000 title claims abstract description 15
- 239000002390 adhesive tape Substances 0.000 claims abstract description 55
- 238000012544 monitoring process Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000004831 Hot glue Substances 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 10
- 230000000670 limiting effect Effects 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 28
- 230000009471 action Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 claims description 4
- 230000006866 deterioration Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- 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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
- B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
-
- 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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
- B29C65/5042—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like covering both elements to be joined
-
- 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
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to the technical field of battery production, in particular to a glue pressing mechanism of a dry electrode sodium battery pole piece, which comprises a base, a vertical plate, a frame, a motor, a roller, an alarm lamp, a preheating mechanism, a height adjusting mechanism and a concentricity monitoring mechanism; the bottom of the vertical plate is fixedly connected with the center of the upper surface of the base, the frame is fixedly connected to the left end of the front side of the vertical plate, the number of motors is two, the motors are respectively arranged at the upper end and the lower end of the rear side of the inner cavity of the frame, one end of the roller is arranged at the output end of the motor, the other end of the roller is connected with the front side of the frame through a bearing, so that the pole piece coiled material is conveyed from right to left, and the roller can roll the hot melt adhesive on the adhesive tape on the surface of the pole piece coiled material; the number of the alarm lamps is two, and the alarm lamps are arranged on the upper surface of the frame and correspond to the concentricity monitoring mechanisms one by one. The hot melt adhesive on the surface of the adhesive tape is fully heated and melted, the adhesive tape pasting effect of the pole piece coiled material is good, the roller concentricity monitoring function is realized, the roller can be maintained or replaced in time, and uneven adhesive tape pasting of the pole piece is prevented.
Description
Technical Field
The invention relates to the technical field of power supply production, in particular to a glue pressing mechanism and a glue pressing method for a dry electrode sodium battery pole piece.
Background
Sodium ion battery is a secondary battery (rechargeable battery) and mainly works by means of sodium ions moving between positive electrode and negative electrode, and is similar to the working principle and production procedure of lithium ion battery. The battery cell is formed by winding two pole pieces (a positive pole piece and a negative pole piece) and a diaphragm, and in the process of manufacturing the battery cell of the sodium battery, the rubberizing procedure of the pole piece is one of important factors of the manufacturing efficiency of the whole battery cell;
Aiming at the coil pole piece rubberizing, the invention patent with the application number 202010364523X discloses a rubberizing mechanism of a lithium battery pole piece, which is provided with two compaction driving devices and two rubberizing components; the two glue pressing assemblies are oppositely arranged, and the two pressing driving devices are respectively used for driving the two glue pressing assemblies; the glue pressing assembly comprises a mounting frame, a roller and a heating assembly, wherein the mounting frame is connected with the pressing driving device, and the roller is arranged on the mounting frame. The automatic rubberizing of pole piece has the advantage, and above-mentioned rubberizing mechanism utilizes the electric bar to heat first cylinder, and first cylinder and battery sticky tape area of contact are little, and first cylinder is limited to the hot melt adhesive heating capacity on the sticky tape, leads to the pole piece rubberizing effect unstable, moreover, along with first cylinder roll is to pole piece and hot melt adhesive roll-in, and first cylinder mechanical wear can make self concentricity worsen, and the interval can't keep invariable between two first cylinders, and the pole piece rubberizing is inhomogeneous.
Disclosure of Invention
The invention aims to overcome the defects that the hot melt adhesive in the prior art is poor in heating effect and the adhesive sticking quality cannot be monitored, and the technical problem to be solved by the invention is an adhesive pressing mechanism and an adhesive pressing method for a dry electrode sodium battery pole piece.
In order to achieve the above purpose, the present invention provides the following technical solutions: a glue pressing mechanism of a dry electrode sodium battery pole piece comprises a base, a vertical plate, a frame, a motor, a roller, an alarm lamp, a preheating mechanism, a height adjusting mechanism and a concentricity monitoring mechanism; the bottom of the vertical plate is fixedly connected with the center of the upper surface of the base, the frame is fixedly connected to the left end of the front side of the vertical plate, the number of motors is two, the motors are respectively arranged at the upper end and the lower end of the rear side of the inner cavity of the frame, one end of the roller is arranged at the output end of the motor, the other end of the roller is connected with the front side of the frame through a bearing, so that the pole piece coiled material is conveyed from right to left, and the roller can roll the hot melt adhesive on the adhesive tape on the surface of the pole piece coiled material; the number of the alarm lamps is two, and the alarm lamps are arranged on the upper surface of the frame and correspond to the concentricity monitoring mechanisms one by one, so that the concentricity of the roller is monitored and alarmed independently; the preheating mechanism is arranged on the front side of the vertical plate and positioned on the right side of the frame, and the adhesive tape is heated; the number of the height adjusting mechanisms is two, and the height adjusting mechanisms are symmetrically arranged on the right side of the front surface of the frame; the concentricity monitoring mechanism is arranged at the left end of the height adjusting mechanism and can monitor the concentricity of the rotary drum during rotation;
The preheating mechanism comprises a supporting plate, a frame, a positioning blind hole, a positioning bolt, a heating plate, an air pipe, a clamping groove, a cover cap and a sealing ring; wherein, the supporting plate is fixedly connected with the middle part of the front surface of the vertical plate; the frame is rotatably arranged at the left upper corner of the front surface of the supporting plate through a pin shaft, and positioning blind holes are formed in the right side of the front surface of the frame from top to bottom; the positioning bolt is in threaded connection with the top end of the right side wall of the frame, and the frame is positioned by being inserted into the positioning blind hole; the heating plate is arranged in the middle of the inner side of the frame, and is electrified to heat, so that the hot melt adhesive on the surface of the adhesive tape is heated and melted; the two air pipes are respectively arranged at the left end and the right end of the inner side of the frame, through holes are formed in the top of the air pipes from front to back, the air pipes are connected with the air blower through air pipes, the air blower is enabled to give suction to the air pipes, so that the adhesive tapes are attracted, the adhesive tapes are enabled to be contacted with the heating plates, and clamping grooves are formed in the inner walls of the through holes; the cap is inserted into the inner cavity of the air pipe through hole; the sealing ring is arranged on the outer wall of the cover cap, and when the sealing ring is inserted into the clamping groove, the cover cap seals the inner cavity of the air pipe through hole;
The positioning bolts are inserted into the positioning blind holes with different heights, so that the inclination angle of the frame can be adjusted, the heating plate is parallel to the conveyed adhesive tape, the adhesive tape can be fully contacted with the heating plate under the suction action of the air pipe, and the preheating effect is good.
Preferably, the plurality of positioning blind holes are distributed on the front surface of the supporting plate at equal intervals along the circumferential direction by taking the rotation center point of the frame as the center, and when the frame swings up and down, positioning bolts can be inserted into the positioning blind holes with different heights, so that the inclination angle of the frame is adjusted.
Preferably, the height adjusting mechanism comprises a supporting seat, a screw rod, a guide rod, a moving plate and a brake nut, and the supporting seat is arranged on the front surface of the frame; the screw rod and the guide rod are respectively arranged at the left side and the right side of the inner cavity of the supporting seat, the guide rod is parallel to the screw rod, the moving plate is limited by the guide rod, and both ends of the screw rod can rotate around the axis of the screw rod through bearings and are connected with the supporting seat; the moving plate is in threaded connection with the outer wall of the screw rod, and is sleeved on the outer wall of the guide rod, and when the screw rod rotates clockwise or anticlockwise, the screw rod thread rotating force can drive the moving plate to move up and down; the braking nut is in threaded connection with the bottom end of the outer wall of the screw rod, and screw rod braking can be realized when the braking nut is in contact with the outer wall of the supporting seat;
The position of the concentricity monitoring mechanism can be adjusted through the cooperation of the screw and the guide rod, and the concentricity monitoring mechanism is calibrated.
As a preferable scheme, the concentricity monitoring mechanism comprises a watchcase, a baffle plate, an electromagnet, a travel switch, a rotating shaft, a gear, a swinging rod, a permanent magnet, a limit cylinder, a limit rod, a rack and a spring, wherein the watchcase is provided with a circular cavity, and conditions are provided for the swinging rod and the permanent magnet to rotate; the baffle is arranged in the inner cavity of the watchcase; the number of electromagnets is two, and the electromagnets are symmetrically arranged at the bottom of the front side of the inner cavity of the watchcase; the number of the travel switches is two, the travel switches are symmetrically arranged at the bottom of the front side of the inner cavity of the watch case, the travel switches are positioned at the outer side of the electromagnet, the trigger points of the travel switches are positioned right above the electromagnet, the travel switches can be triggered only when the permanent magnets correspond to the electromagnet in position, and the travel switches are electrically connected with the electromagnet and the alarm lamp; the rotating shaft can rotate around the axis of the rotating shaft through a bearing and is arranged at the center of the partition plate; the gear is arranged at the rear end of the outer wall of the rotating shaft; one end of the swing rod is arranged on the outer wall of the rotating shaft, and the gear and the swing rod can synchronously rotate under the connection effect of the rotating shaft; the permanent magnet magnetic attraction is inserted into the other end of the swing rod; the limiting cylinder is vertically arranged at the top of the outer wall of the watchcase, the outer wall of the limiting cylinder is connected with the left end of the moving plate, and the inner wall of the limiting cylinder is rectangular in shape, so that the limiting rod is prevented from rotating; the limiting rod can be inserted into the inner cavity of the limiting cylinder in a vertically sliding manner, the top of the limiting rod is provided with a roller, and the rolling force of the roller can be reduced; the rack is arranged at the bottom end of the limiting rod and is in meshed connection with the gear; one end of the spring is arranged at the bottom of the rack, and the other end of the spring is connected with the inner wall of the watchcase.
A glue pressing method of a glue pressing mechanism of a dry electrode sodium battery pole piece comprises the following steps:
Step one, a pole piece coiled material and an adhesive tape pass through between two rollers, the adhesive tape is positioned at the bottom of the pole piece coiled material, a motor drives the rollers to rotate, and the rollers roll the pole piece coiled material and the adhesive tape from right to left so as to realize pole piece adhesive pressing;
Step two, screwing a positioning bolt according to the inclination angle of the adhesive tape, enabling the positioning bolt to be inserted into positioning blind holes with different heights, adjusting the inclination angle of the frame, enabling the heating plate to be parallel to the adhesive tape, enabling the air pipe to be connected with the air blower through an air pipe, giving suction force to the air pipe under the action of the air blower, sucking the air pipe through holes, thereby sucking the adhesive tape, enabling the adhesive tape to be attached to the heating plate for moving, enabling the heating plate to be electrified and heated, heating the adhesive tape, melting hot melt adhesive on the adhesive tape, and ensuring that the hot melt adhesive is fully attached to the surface of a pole piece coiled material;
Step three, the cap is inserted into the inner cavity of the air pipe through hole, the sealing ring enters the clamping groove, the cap can seal the air pipe through hole, the suction length of the air pipe is adjusted, the adhesive tapes with different widths can be sucked, and the adhesive tapes with different widths can be heated;
step four, screwing the brake nut away from the supporting seat, releasing the braking of the screw rod, driving the moving plate to drive the concentricity monitoring mechanism to move by the screw rod rotation under the limit action of the guide rod on the moving plate by the screw rod thread rotation force, and playing a role in calibrating the concentricity monitoring mechanism, wherein the screwing brake nut is contacted with the supporting seat, the screw rod realizes the braking, and the position adjustment of the concentricity monitoring mechanism is realized;
And fifthly, when the roller is just put into use, the limit rod is pushed by the rack under the action of spring force, the swing rod is positioned at the centers of the two electromagnets when the roller on the limit rod is contacted with the outer wall of the roller, the swing rod is calibrated, when the concentricity of the roller is gradually deteriorated, the roller is extruded to rotate, the limit rod is driven to move up and down on the limit cylinder, meanwhile, the rack drives the gear to rotate anticlockwise, the swing rod is further swung, along with the deterioration of the concentricity of the roller, the swing amplitude of the swing rod is larger, when the permanent magnet triggers the travel switch, the electromagnet and the alarm lamp are electrified, the electromagnet is electrified to generate a magnetic field, the permanent magnet is pulled down from the swing rod under the action of magnetic force, the permanent magnet continuously triggers the travel switch, the alarm lamp continuously alarms, and the concentricity of the roller is beyond the limit, and the pole piece glue pressing operation can not be carried out any more.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the inclination angle of the frame can be adjusted by matching the positioning bolts with the positioning blind holes, so that when the air pipe attracts the adhesive tape, the adhesive tape can be fully contacted with the heating plate, and the heating plate can heat the adhesive tape, so that the hot melt adhesive on the surface of the adhesive tape can be fully heated and melted, and the adhesive tape sticking effect of the pole piece coiled material is good;
2. According to the invention, the position of the concentricity monitoring mechanism can be changed through the cooperation of the screw rod and the guide rod, the concentricity is calibrated, the limiting rod can be pushed to move under the action of the spring force, the roller is always in contact with the roller, the limiting rod can drive the rack to move along with the roller extrusion of the roller, the gear drives the swing rod to swing, when the travel switch is triggered by the permanent magnet, the permanent magnet is electrified to generate a magnetic field, the permanent magnet is sucked away from the swing rod, the alarm lamp alarms, the roller exceeds the use limit, the roller concentricity monitoring function is realized, the roller can be maintained or replaced in time, and uneven rubberizing of the pole pieces is prevented.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a preheating mechanism according to the present invention;
FIG. 3 is a front cross-sectional view of the preheating mechanism of the present invention;
FIG. 4 is an enlarged view of the invention at A;
FIG. 5 is a schematic diagram of the height adjusting mechanism and concentricity monitoring mechanism according to the present invention;
FIG. 6 is a front cross-sectional view of the concentricity monitoring mechanism of the present invention;
FIG. 7 is a left side cross-sectional view of the concentricity monitoring mechanism of the present invention.
In the figure: 1. a base; 2. a vertical plate; 3. a frame; 4. a motor; 5. a roller; 6. an alarm lamp; 7. a preheating mechanism; 8. a height adjusting mechanism; 9. concentricity monitoring mechanism; 71. a support plate; 72. a frame; 73. positioning the blind hole; 74. positioning bolts; 75. a heating plate; 76. an air duct; 77. a clamping groove; 78. capping; 79. a seal ring; 81. a support base; 82. a screw; 83. a guide rod; 84. a moving plate; 85. a brake nut; 91. a watch case; 92. a partition plate; 93. an electromagnet; 94. a travel switch; 95. a rotating shaft; 96. a gear; 97. swing rod; 98. a permanent magnet; 99. a limiting cylinder; 910. a limit rod; 911. a rack; 912. and (3) a spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a technical scheme that: 1-7, the glue pressing mechanism of the dry electrode sodium battery pole piece comprises a base 1 and a vertical plate 2, wherein the bottom of the vertical plate 2 is fixedly connected with the central position of the upper surface of the base 1, the glue pressing mechanism also comprises a frame 3, a motor 4, a roller 5, an alarm lamp 6, a preheating mechanism 7, a height adjusting mechanism 8 and a concentricity monitoring mechanism 9, and the frame 3 is fixedly connected to the left end of the front side of the vertical plate 2; the number of the motors 4 is two, and the motors are respectively arranged at the upper end and the lower end of the rear side of the inner cavity of the frame 3; one end of each roller 5 is arranged at the output end of the motor 4, the other end of each roller is connected with the front side of the frame 3 through a bearing, the two rollers 5 are driven by the motor 4 to roll reversely, so that the pole piece coiled material is conveyed from right to left, and the rollers 5 can roll the hot melt adhesive on the adhesive tape on the surface of the pole piece coiled material; the number of the alarm lamps 6 is two, the alarm lamps 6 are all arranged on the upper surface of the frame 3, the two alarm lamps 6 are in one-to-one correspondence with the two concentricity monitoring mechanisms 9, and the alarm lamps 6 realize independent concentricity monitoring and alarming of the roller 5; the preheating mechanism 7 is arranged on the front side of the vertical plate 2, the preheating mechanism 7 is positioned on the right side of the frame 3, and the adhesive tape is heated by the preheating mechanism 7; the number of the height adjusting mechanisms 8 is two, and the height adjusting mechanisms are symmetrically arranged on the right side of the front surface of the frame 3; the concentricity monitoring mechanism 9 is arranged at the left end of the height adjusting mechanism 8, and the concentricity monitoring mechanism 9 can monitor the concentricity of the drum 5 during rotation;
the pole piece coiled material and the adhesive tape pass through the two rollers 5, the adhesive tape is positioned at the bottom of the pole piece coiled material, the motor 4 drives the rollers 5 to rotate, and the rollers 5 roll the pole piece coiled material and the adhesive tape from right to left so as to realize pole piece adhesive pressing;
The preheating mechanism 7 comprises a supporting plate 71, a frame 72, a positioning blind hole 73, a positioning bolt 74, a heating plate 75, an air pipe 76, a clamping groove 77, a cap 78 and a sealing ring 79, wherein the supporting plate 71 is fixedly connected to the front middle part of the vertical plate 2; the frame 72 is rotatably arranged at the left upper corner of the front surface of the supporting plate 71 through a pin shaft, and positioning blind holes 73 are formed in the right side of the front surface of the frame 72 from top to bottom; the positioning bolt 74 is screwed on the top end of the right side wall of the frame 72, and the positioning bolt 74 is inserted into the positioning blind hole 73 to position the frame 72; the heating plate 75 is arranged in the middle of the inner side of the frame 72, and the heating plate 75 is electrified to heat up so as to realize the heating and melting of the hot melt adhesive on the surface of the adhesive tape; the number of the air pipes 76 is two, the two air pipes 76 are respectively arranged at the left end and the right end of the inner side of the frame 72, through holes are formed in the top of the air pipe 76 from front to back, the air pipe 76 is connected with an air blower through the air pipe, the air blower is enabled to endow suction force to the air pipe 76, so that adhesive tapes can be attracted in the air suction process of the air pipe 76, the adhesive tapes are enabled to be contacted with the heating plate 75, and clamping grooves 77 are formed in the inner wall of the through holes; the cap 78 is inserted into the inner cavity of the through hole of the air pipe 76; the sealing ring 79 is arranged on the outer wall of the cap 78, and when the sealing ring 79 is inserted into the clamping groove 77, the cap 78 seals the inner cavity of the through hole of the air pipe 76;
According to the inclination angle of the adhesive tape, the positioning bolts 74 are screwed, the positioning bolts 74 are inserted into the positioning blind holes 73 with different heights, the inclination angle of the frame 72 can be adjusted, the heating plate 75 is parallel to the adhesive tape, the air pipe 76 is connected with the air blower through the air pipe, suction force is given to the air pipe 76 under the action of the air blower, the air pipe 76 is sucked through the through hole, so that the adhesive tape is sucked, the adhesive tape is attached to the heating plate 75 to move, the heating plate 75 is electrified to heat, the adhesive tape is heated, and the hot melt adhesive on the adhesive tape is melted, so that the hot melt adhesive is fully attached to the surface of the coiled material of the pole piece;
Through inserting the block 78 into the through hole inner cavity of the air pipe 76, the sealing ring 79 enters the clamping groove 77, the block 78 can seal the through hole of the air pipe 76, the suction length of the air pipe 76 is adjusted, the suction of adhesive tapes with different widths can be carried out, and the adhesive tapes with different widths can be heated.
As a preferred solution, the plurality of positioning blind holes 73 are circumferentially and equidistantly distributed on the front surface of the supporting plate 71 with the rotation center point of the frame 72 as a center, and when the frame 72 swings up and down, the positioning bolts 74 can be inserted into the positioning blind holes 73 with different heights, so as to realize the inclination angle adjustment of the frame 72.
As a preferable scheme, the height adjusting mechanism 8 comprises a supporting seat 81, a screw 82, a guide rod 83, a moving plate 84 and a brake nut 85, wherein the supporting seat 81 is arranged on the front surface of the frame 3; the screw rod 82 and the guide rod 83 are respectively arranged at the left side and the right side of the inner cavity of the supporting seat 81, the guide rod 83 is parallel to the screw rod 82, the moving plate 84 is limited by the guide rod 83, and two ends of the screw rod 82 can rotate around the axis of the screw rod 82 through bearings and are connected with the supporting seat 81; the moving plate 84 is screwed on the outer wall of the screw 82, and the moving plate 84 is sleeved on the outer wall of the guide rod 83, when the screw 82 rotates clockwise or anticlockwise, the screw 82 thread rotating force can drive the moving plate 84 to move up and down; the brake nut 85 is in threaded connection with the bottom end of the outer wall of the screw 82, so that the screw 82 can be braked when the brake nut 85 contacts with the outer wall of the supporting seat 81;
The screw-on braking nut 85 is far away from the supporting seat 81, the braking on the screw rod 82 is released, the screw rod 82 rotates, under the limiting effect of the guide rod 83 on the moving plate 84, the screw thread rotating force of the screw rod 82 can drive the moving plate 84 to drive the concentricity monitoring mechanism 9 to move, the effect of calibrating the concentricity monitoring mechanism 9 is achieved, the screw-on braking nut 85 is in contact with the supporting seat 81, the screw rod 82 realizes braking, and the position adjustment of the concentricity monitoring mechanism 9 is realized.
As a preferred scheme, the concentricity monitoring mechanism 9 comprises a watchcase 91, a partition 92, an electromagnet 93, a travel switch 94, a rotating shaft 95, a gear 96, a swinging rod 97, a permanent magnet 98, a limiting cylinder 99, a limiting rod 910, a rack 911 and a spring 912, wherein the watchcase 91 is provided with a circular cavity, and provides conditions for the swinging rod 97 and the permanent magnet 98 to rotate; the baffle 92 is installed in the inner cavity of the watchcase 91; the number of electromagnets 93 is two, and the electromagnets are symmetrically arranged at the bottom of the front side of the inner cavity of the watchcase 91; the number of the travel switches 94 is two, the travel switches 94 are symmetrically arranged at the bottom of the front side of the inner cavity of the watch case 91, the travel switches 94 are positioned at the outer side of the electromagnet 93, the trigger points of the travel switches 94 are positioned right above the electromagnet 93, the travel switches 94 can be triggered when the permanent magnets 98 correspond to the electromagnet 93 in position, and the travel switches 94 are electrically connected with the electromagnet 93 and the alarm lamp 6; the rotating shaft 95 is rotatably mounted at the center of the partition 92 around its own axis by a bearing; the gear 96 is arranged at the rear end of the outer wall of the rotating shaft 95; one end of the swing rod 97 is arranged on the outer wall of the rotating shaft 95, and the gear 96 and the swing rod 97 can synchronously rotate under the connection effect of the rotating shaft 95; the permanent magnet 98 is inserted into the other end of the swing rod 97 in a magnetic attraction way; the limiting cylinder 99 is vertically arranged at the top of the outer wall of the watchcase 91, the outer wall of the limiting cylinder 99 is connected with the left end of the moving plate 84, the inner wall of the limiting cylinder 99 is rectangular, and the limiting rod 910 is prevented from rotating; the limiting rod 910 can slide up and down and is inserted into the inner cavity of the limiting cylinder 99, the top of the limiting rod 910 is provided with a roller, and the roller rolling can reduce the friction force with the roller 5; the rack 911 is arranged at the bottom end of the limit rod 910, and the rack 911 is in meshed connection with the gear 96; one end of a spring 912 is arranged at the bottom end of the rack 911, the other end of the spring 912 is connected with the inner wall of the watchcase 91, and the limiting rod 910 is driven to move under the action of the elasticity of the spring 912, so that the roller is always contacted with the outer wall of the roller 5;
When the roller 5 is just put into use, the limiting rod 910 is pushed by the rack 911 under the action of the elasticity of the spring 912, so that the swinging rod 97 is positioned at the center of the two electromagnets 93 when the roller on the limiting rod 910 is contacted with the outer wall of the roller 5, the swinging rod 97 is calibrated, when the concentricity of the roller 5 is gradually deteriorated, the roller 5 can be extruded to rotate, the limiting rod 910 is driven to move up and down on the limiting cylinder 99, meanwhile, the gear 96 is driven by the rack 911 to rotate clockwise, the swinging rod 97 is further swung, along with the deterioration of the concentricity of the roller 5, the swinging amplitude of the swinging rod 97 is larger, when the permanent magnet 98 triggers the travel switch 94, the electromagnet 93 and the alarm lamp 6 are electrified, the electromagnet 93 generates a magnetic field under the action, the permanent magnet 98 is pulled down from the swinging rod 97 under the action of magnetic force, the permanent magnet 98 continuously triggers the travel switch 94, the alarm lamp 6 continuously alarms, the concentricity of the roller 5 is beyond the limit, and the pole piece pressing operation can not be performed any more.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a dry process electrode sodium battery pole piece's rubberizing mechanism, includes base (1) and riser (2), riser (2) bottom and base (1) upper surface central point put fixed connection, its characterized in that, dry process electrode sodium battery pole piece's rubberizing mechanism still includes:
The frame (3) is fixedly connected to the left end of the front side of the vertical plate (2);
The number of the motors (4) is two, and the motors are respectively arranged at the upper end and the lower end of the rear side of the inner cavity of the stand (3);
one end of each roller (5) is arranged at the output end of the motor (4), the other end of each roller is connected with the front side of the frame (3) through a bearing, and the two rollers (5) are driven by the motor (4) to reversely roll so as to realize the right-to-left conveying of pole piece coiled materials;
the number of the alarm lamps (6) is two, and the alarm lamps are both arranged on the upper surface of the frame (3);
The preheating mechanism (7) is arranged at the front side of the vertical plate (2), the preheating mechanism (7) is positioned at the right side of the frame (3), and the adhesive tape is heated through the preheating mechanism (7);
The number of the height adjusting mechanisms (8) is two, and the height adjusting mechanisms are symmetrically arranged on the right side of the front surface of the frame (3);
the concentricity monitoring mechanism (9) is arranged at the left end of the height adjusting mechanism (8), and the concentricity monitoring mechanism (9) can monitor the concentricity of the rotary drum (5) during rotation;
The preheating mechanism (7) comprises:
the supporting plate (71) is fixedly connected to the middle part of the front face of the vertical plate (2);
the frame (72) is rotatably arranged at the left upper corner of the front surface of the supporting plate (71) through a pin shaft, and positioning blind holes (73) are formed in the right side of the front surface of the frame (72) from top to bottom;
The positioning bolt (74) is in threaded connection with the top end of the right side wall of the frame (72), and the frame (72) is positioned by inserting the positioning bolt (74) into the positioning blind hole (73);
A heating plate (75) provided in the middle of the inner side of the frame (72);
the two air pipes (76) are respectively arranged at the left end and the right end of the inner side of the frame (72), through holes are formed in the top of the air pipes (76) from front to back, and clamping grooves (77) are formed in the inner walls of the through holes;
The cap (78) is inserted into the inner cavity of the through hole of the air pipe (76);
the sealing ring (79) is arranged on the outer wall of the cap (78), and when the sealing ring (79) is inserted into the clamping groove (77), the cap (78) is blocked off the inner cavity of the through hole of the air pipe (76);
The height adjustment mechanism (8) comprises:
the supporting seat (81) is arranged on the front surface of the frame (3);
The screw rod (82) and the guide rod (83) are respectively arranged at the left side and the right side of the inner cavity of the supporting seat (81), and two ends of the screw rod (82) can rotate around the axis of the screw rod through bearings and are connected with the supporting seat (81);
the moving plate (84) is in threaded connection with the outer wall of the screw rod (82), the moving plate (84) is sleeved on the outer wall of the guide rod (83), and when the screw rod (82) rotates clockwise or anticlockwise, the screw rod (82) can drive the moving plate (84) to move up and down by the aid of the screw thread rotating force;
the brake nut (85) is in threaded connection with the bottom end of the outer wall of the screw rod (82), and when the brake nut (85) is in contact with the outer wall of the supporting seat (81), the screw rod (82) can be braked;
the concentricity monitoring mechanism (9) comprises:
A watch case (91) having a circular cavity;
a diaphragm (92) mounted in the cavity of the watch case (91);
The number of electromagnets (93) is two, and the electromagnets are symmetrically arranged at the bottom of the front side of the inner cavity of the watchcase (91);
the number of the travel switches (94) is two, the travel switches (94) are symmetrically arranged at the bottom of the front side of the inner cavity of the watchcase (91), the travel switches (94) are positioned on the outer side of the electromagnet (93), and the travel switches (94) are electrically connected with the electromagnet (93) and the alarm lamp (6);
a rotating shaft (95) rotatably mounted on the center of the partition plate (92) around its own axis by a bearing;
a gear (96) mounted at the rear end of the outer wall of the rotating shaft (95);
one end of the swing rod (97) is arranged on the outer wall of the rotating shaft (95), and the gear (96) and the swing rod (97) can synchronously rotate under the connection effect of the rotating shaft (95);
The permanent magnet (98) is inserted into the other end of the swing rod (97) in a magnetic attraction way;
the limiting cylinder (99) is vertically arranged at the top of the outer wall of the watchcase (91), and the outer wall of the limiting cylinder (99) is connected with the left end of the moving plate (84);
The limiting rod (910) can be inserted into the inner cavity of the limiting cylinder (99) in a vertically sliding manner, and a roller is arranged at the top of the limiting rod (910);
The rack (911) is arranged at the bottom end of the limiting rod (910), and the rack (911) is in meshed connection with the gear (96);
One end of the spring (912) is arranged at the bottom end of the rack (911), the other end of the spring (912) is connected with the inner wall of the watchcase (91), and the limiting rod (910) is driven to move under the action of the elasticity of the spring (912), so that the roller is always in contact with the outer wall of the roller (5).
2. The glue pressing mechanism of the dry electrode sodium battery pole piece according to claim 1, wherein the positioning blind holes (73) are circumferentially and equidistantly distributed on the front surface of the supporting plate (71) by taking the rotation center point of the frame (72) as the center.
3. The dry electrode sodium battery pole piece glue pressing mechanism according to claim 2, wherein the trigger point of the travel switch (94) is directly above the electromagnet (93).
4. A dry method electrode sodium battery pole piece glue pressing mechanism according to claim 3, wherein the inner wall of the limit cylinder (99) is rectangular.
5. The method for pressing the dry-process electrode sodium battery pole piece pressing mechanism according to claim 4, comprising the following steps:
Step one, a pole piece coiled material and an adhesive tape pass through between two rollers (5), the adhesive tape is positioned at the bottom of the pole piece coiled material, a motor (4) drives the rollers (5) to rotate, and the rollers (5) roll the pole piece coiled material and the adhesive tape from right to left so as to realize pole piece adhesive pressing;
Step two, screwing a positioning bolt (74) according to the inclination angle of the adhesive tape, enabling the positioning bolt (74) to be inserted into positioning blind holes (73) with different heights, adjusting the inclination angle of a frame (72), enabling a heating plate (75) to be parallel to the adhesive tape, enabling an air pipe (76) to be connected with an air blower through an air pipe, giving suction force to the air pipe (76) under the action of the air blower, sucking air in a through hole of the air pipe (76), thereby sucking the adhesive tape, enabling the adhesive tape to be attached to the heating plate (75) for moving, enabling the heating plate (75) to be electrified and heating the adhesive tape, and enabling hot melt adhesive on the adhesive tape to be melted, so as to ensure that the hot melt adhesive is fully attached to the surface of a coiled material of a pole piece;
step three, the cap (78) is inserted into the inner cavity of the through hole of the air pipe (76), the sealing ring (79) enters the clamping groove (77), the cap (78) can seal the through hole of the air pipe (76), the suction length of the air pipe (76) is adjusted, the suction of adhesive tapes with different widths can be carried out, and the adhesive tapes with different widths can be heated;
Step four, screwing a brake nut (85) away from the supporting seat (81), releasing braking of the screw (82), rotating through the screw (82), driving the moving plate (84) to move by the screw thread rotating force of the screw (82) under the limit action of the guide rod (83) on the moving plate (84), and achieving the effect of calibrating the concentricity monitoring mechanism (9), wherein the screwing brake nut (85) is in contact with the supporting seat (81), and the screw (82) realizes braking and position adjustment of the concentricity monitoring mechanism (9);
and fifthly, when the roller (5) is just put into use, the limit rod (910) is pushed by the rack (911) under the action of the elasticity of the spring (912), so that when the roller on the limit rod (910) is contacted with the outer wall of the roller (5), the swinging rod (97) is positioned at the centers of the two electromagnets (93), the swinging rod (97) is calibrated, when the concentricity of the roller (5) is gradually deteriorated, the roller (5) can be extruded when rotating, the limit rod (910) is driven to move up and down on the limit cylinder (99), meanwhile, the rack (911) drives the gear (96) to rotate clockwise, the swinging rod (97) swings, the swinging amplitude of the swinging rod (97) is larger along with the deterioration of the concentricity of the roller (5), when the permanent magnet (98) triggers the travel switch (94), the electromagnet (93) and the alarm lamp (6) are electrified, the electromagnet (93) generates a magnetic field, the electromagnet (93) pulls down the permanent magnet (98) from the upper part of the electromagnet (97) under the action of magnetic force, the alarm lamp (98) is continuously triggered, and the alarm lamp (6) continuously triggers the travel switch (94), so that the roller (5) continuously stops beyond the concentricity, and the alarm voltage of the pole piece cannot exceed the limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310797377.3A CN116864602B (en) | 2023-07-03 | 2023-07-03 | Glue pressing mechanism and glue pressing method for dry electrode sodium battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310797377.3A CN116864602B (en) | 2023-07-03 | 2023-07-03 | Glue pressing mechanism and glue pressing method for dry electrode sodium battery pole piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116864602A CN116864602A (en) | 2023-10-10 |
| CN116864602B true CN116864602B (en) | 2024-05-17 |
Family
ID=88222764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310797377.3A Active CN116864602B (en) | 2023-07-03 | 2023-07-03 | Glue pressing mechanism and glue pressing method for dry electrode sodium battery pole piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116864602B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118151022B (en) * | 2024-05-10 | 2024-07-05 | 上海兆钠新能源科技有限公司 | Sodium battery fault detector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101766340B1 (en) * | 2016-11-28 | 2017-08-09 | 주식회사 엠티에스이 | Servo cylinder for improved concentricity and long stroke deflection provention |
| CN111156951A (en) * | 2020-02-24 | 2020-05-15 | 东阳阿语机械科技有限公司 | Bearing concentricity measuring device |
| CN212422498U (en) * | 2020-05-29 | 2021-01-29 | 江苏金旺新材料科技有限公司 | Insulating tape transfer device |
| CN215731835U (en) * | 2021-06-15 | 2022-02-01 | 安脉时代智能制造(宁德)有限公司 | Lithium battery composite process winding machine |
| CN115284621A (en) * | 2022-10-09 | 2022-11-04 | 常州都铂高分子有限公司 | Pressure-sensitive adhesive laminating device and process |
-
2023
- 2023-07-03 CN CN202310797377.3A patent/CN116864602B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101766340B1 (en) * | 2016-11-28 | 2017-08-09 | 주식회사 엠티에스이 | Servo cylinder for improved concentricity and long stroke deflection provention |
| CN111156951A (en) * | 2020-02-24 | 2020-05-15 | 东阳阿语机械科技有限公司 | Bearing concentricity measuring device |
| CN212422498U (en) * | 2020-05-29 | 2021-01-29 | 江苏金旺新材料科技有限公司 | Insulating tape transfer device |
| CN215731835U (en) * | 2021-06-15 | 2022-02-01 | 安脉时代智能制造(宁德)有限公司 | Lithium battery composite process winding machine |
| CN115284621A (en) * | 2022-10-09 | 2022-11-04 | 常州都铂高分子有限公司 | Pressure-sensitive adhesive laminating device and process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116864602A (en) | 2023-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116864602B (en) | Glue pressing mechanism and glue pressing method for dry electrode sodium battery pole piece | |
| CN112518858A (en) | Scrap treatment device for cutting plastic shell of telephone | |
| CN211496184U (en) | A collection device for collecting trade mark cloth | |
| CN209209993U (en) | A kind of home textile cloth devices for taking-up | |
| CN207548894U (en) | A kind of receipts rim charge component of lithium electric separator cutting machine | |
| CN212863342U (en) | Aluminizer roll-up device | |
| CN211545329U (en) | Positioning mechanism of paper winding machine | |
| CN115284621B (en) | Pressure-sensitive adhesive laminating device and process | |
| CN218828687U (en) | Power distribution cabinet capable of adjusting internal space | |
| CN218122779U (en) | Powder concentration alarm device | |
| CN109305583A (en) | A kind of home textile cloth devices for taking-up | |
| CN114986866A (en) | Laser film production corona treatment device | |
| CN115043248A (en) | Shaping conveying mechanism for machining aluminum foil products | |
| CN112228793A (en) | Explosion-proof industrial LED lamp | |
| CN106992323B (en) | A kind of battery group intelligence failure shunting device | |
| CN111559083A (en) | Full-automatic rotating disc type ear line spot welding machine for mask production | |
| CN111351011A (en) | Electric shock system is prevented in fluorescent lamp installation | |
| CN117303081B (en) | Preparation process and device of high-viscosity double-sided adhesive tape | |
| CN218402877U (en) | Winding equipment for preparing raw material belt | |
| CN107971722B (en) | Stop device and stop method for non-power assembly production line of high-voltage switch cabinet | |
| CN110696219A (en) | Novel drying equipment is used in production of polymer water-absorbent resin | |
| CN214045840U (en) | Range-adjustable high-altitude parabolic monitoring equipment | |
| CN220534155U (en) | Manufacturing clamp for sodium ion battery | |
| CN216770029U (en) | Automatic drying device capable of remotely monitoring Chinese prickly ash | |
| CN221587530U (en) | Spinning equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |