CN119426012A - An injection system - Google Patents
An injection system Download PDFInfo
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- CN119426012A CN119426012A CN202411852264.XA CN202411852264A CN119426012A CN 119426012 A CN119426012 A CN 119426012A CN 202411852264 A CN202411852264 A CN 202411852264A CN 119426012 A CN119426012 A CN 119426012A
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Abstract
The invention relates to an injection system, belongs to the technical field of injection, and aims to solve the problems of coating and spray hole blockage caused by poor stirring effect of a workpiece surface coating in the prior art. The spray head device comprises a feeding module, a spray head module, a moving module and a workpiece positioning module, wherein the feeding module is used for feeding the spray head module and comprises a feed cylinder assembly, a mixing assembly and a feeding pipeline, the spray head module is arranged on the moving module and used for adjusting the position along with the movement of the moving module, the feeding pipeline is connected with the feed cylinder assembly and the spray head module, the workpiece positioning module is used for positioning a workpiece for spraying, and the feeding module, the spray head module, the moving module and the workpiece positioning module are electrically connected with a control module. The invention can improve the spraying quality and the spraying efficiency and lead the coating to be uniform.
Description
Technical Field
The invention relates to the technical field of injection, in particular to an injection system.
Background
In the prior art, when the surface of a workpiece is sprayed, the coating has poor stirring effect before entering a spray head, so that the coating has insufficient binding force with the surface of the workpiece, poor adhesive force and inconsistent spraying thickness, the coating has caking phenomenon to influence the use of the workpiece, and spray holes are blocked during spraying and the like.
Disclosure of Invention
In view of the above analysis, the present invention provides an injection system for solving the problems of coating and nozzle blockage caused by poor stirring effect of the coating on the surface of the workpiece in the prior art.
The aim of the invention is mainly realized by the following technical scheme:
an injection system comprises a feeding module, a spray head module, a movement module, a control module and a workpiece positioning module;
The feeding module is used for feeding the spray head module and comprises a feed cylinder assembly, a mixing assembly and a feeding pipeline;
The spray head module is arranged on the motion module, and position adjustment is carried out through the motion of the motion module;
the workpiece positioning module is used for positioning a workpiece to spray;
The feeding module, the spray head module, the movement module and the workpiece positioning module are electrically connected with the control module.
Further, the charging barrel assembly comprises a powder hopper, a liquid hopper and a storage bin;
The mixing assembly is arranged in the storage bin and is used for mixing and stirring materials in the storage bin.
Further, the feeding module further comprises a bin cleaning assembly, and the bin cleaning assembly is used for cleaning the bin after spraying.
Further, the feeding module further comprises an air compressor, the air compressor is arranged on one side of the storage bin, and the air compressor is used for feeding the spray head module through compressed air.
Further, the workpiece positioning module comprises a workbench, a rotating structure and a clamping structure.
Further, the rotating structure comprises a fourth motor and a third rotating shaft, the third rotating shaft is arranged in the middle of the workbench, the third rotating shaft is connected with an output shaft of the fourth motor, and the workbench can rotate under the drive of the rotating structure.
The clamping structure comprises a lifting column, clamping jaws and a fifth motor, wherein the lifting column can be lifted under the action of the fifth motor, and the clamping jaws can extend into the workpiece to clamp the workpiece.
Further, the device also comprises a stereoscopic scanning module, wherein the stereoscopic scanning module is used for scanning the appearance of the workpiece.
Further, the spraying device also comprises air detection equipment, wherein the air detection equipment is used for detecting the dust concentration in the spraying chamber, and when the dust concentration exceeds a set standard, an alarm is timely sent out.
Further, the dust removing device is electrically connected with the control module and used for adsorbing and discharging indoor dust during spraying.
Further, the mixing assembly comprises a first mixing assembly and a second mixing assembly, wherein the first mixing assembly is arranged at the lower part of the storage bin, and the second mixing assembly is arranged at the upper part of the storage bin.
Further, the first mixing assembly comprises a first motor, a screw, a central stirring part and a first bracket;
the central stirring part is sleeved on the screw rod, and the first motor drives the screw rod to drive the central stirring part to rotate and lift;
the first support is sleeved on the screw rod, and the first motor drives the screw rod to drive the first support to rotate and lift.
Further, the central stirring part is a vortex-shaped sheet.
The second mixing assembly comprises a second motor, a first rotating shaft and a second bracket, wherein the second bracket is sleeved on the first rotating shaft, the first rotating shaft is connected with an output shaft of the second motor, and the second motor drives the first rotating shaft to drive the second bracket to rotate;
the second bracket is rotated in a direction opposite to the first bracket.
Further, a plurality of first stirring rods are longitudinally arranged on the outer side of the first bracket, and a plurality of second stirring rods are longitudinally arranged on the inner side of the second bracket;
the first stirring rod and the second stirring rod are arranged near the wall surface of the storage bin.
Further, an exfoliating part is arranged on the outer side of the second bracket and used for exfoliating attachments on the wall surface of the storage bin.
Further, the peeling part is of a sawtooth structure, and an included angle between the upper side surface of the sawtooth structure and the wall surface of the stock bin is larger than that of the lower side surface.
Compared with the prior art, the invention has at least one of the following beneficial effects:
(1) According to the invention, the spray head module is conveyed in place through the movement module, the spray head module is fed through the feeding module, the workpiece positioning module positions the workpiece, and the operations of the feeding module, the movement module and the spray head module are uniformly controlled by the control module, so that automatic spraying is realized.
(2) The invention provides a workpiece positioning module for positioning a workpiece. The workbench in the workpiece positioning module can rotate so as to finish spraying of one workpiece and then continue spraying of the next workpiece. The clamping structure can extend into the workpiece to lift the workpiece so as to facilitate spraying.
(3) The three-dimensional scanning module is used for scanning the appearance of the workpiece and analyzing the complexity degree of different areas of the workpiece and the requirement on the paint. The air detection device is used for detecting dust concentration in the spraying chamber, and when the dust concentration exceeds a set standard, an alarm is timely sent out. The dust removing equipment is electrically connected with the control module and used for adsorbing and discharging indoor dust during spraying.
(4) Compared with the prior art, the stirring part with the constant height is arranged at the center of the feed bin, the height of the central stirring part is variable, so that materials with different heights are mixed, the vortex-shaped sheets are used, the materials at the center of the feed bin are circumferentially stirred, axially stirred, lifted and pulled down to be stirred, the multidimensional stirring of the materials is realized, the stirring efficiency and the stirring effect are improved, the good fluidity of the paint in the spraying process is ensured, the phenomenon that spray holes are blocked by caking and the phenomenon that the adhesive force and the thickness of the paint and the surface of a workpiece are different is prevented.
(5) Compared with the prior art, the bidirectional stirring rod structure with opposite rotation directions is arranged at the near wall surface, so that materials at the near wall surface are mutually collided and fully mixed by vortex formed by the stirring rod, a stirring dead zone is avoided, wall surface attachments and a mixture near the wall surface are washed with greater force, and the stirring effect of the mixture at the wall surface is improved. The center stirring part and the edge stirring part are used together, so that materials in the storage bin are sufficiently stirred and uniformly mixed, and the spraying quality is improved.
(6) Compared with the prior art, the peeling part is arranged near the wall surface, and the peeling part can peel off attachments on the wall surface to prevent the wall surface from remaining. The sawtooth structure is provided with two side surfaces, the included angle between the upper side surface and the wall surface is larger than that of the lower side surface, the upper side surface is used for stripping attachments, and the attachments roll down into the mixed liquid through the inclined surface of the lower side surface under the action of self gravity.
In the invention, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, like reference numerals being used to refer to like parts throughout the several views.
FIG. 1 is a schematic diagram of an exemplary embodiment of an injection system;
FIG. 2 is a schematic diagram of a feeding module according to an embodiment;
FIG. 3 is a schematic diagram of a hybrid assembly of an embodiment;
FIG. 4 is a schematic view of the structure of the peeling part according to the embodiment;
FIG. 5 is a schematic diagram of a showerhead module according to an embodiment;
FIG. 6 is a schematic view of a configuration of a spray head cleaning assembly according to an embodiment;
Fig. 7 is a schematic structural diagram of a workpiece positioning module according to an embodiment.
Reference numerals:
1-feeding module, 11-cartridge assembly, 111-powder hopper, 112-liquid hopper, 113-stock bin, 12-mixing assembly, 121-first mixing assembly, 1211-first motor, 1212-screw, 1213-central stirring section, 1214-first bracket, 1215-first stirring rod, 122-second mixing assembly, 1221-second motor, 1222-first spindle, 1223-second bracket, 1224-second stirring rod, 1225-peeling section, 13-air compressor, 14-stock bin cleaning assembly, 141-liquid inlet pipe, 142-liquid outlet pipe, 15-feeding pipe, 2-nozzle module, 21-nozzle assembly, 211-nozzle, 2111-first nozzle, 2112-second nozzle, 212-rotating member, 2121-feed port, 2122-discharge port, 213-connector, 214-fixture, 22-head cleaning assembly, 221-third motor, 222-second spindle, 223-first part, 224-second part, 2241-feed port, 2242-air-charging port, 225-third part, 2251-venturi structure, 2252-cone structure, 2253-dirt-removing structure, 23-positioning probe, 3-movement module, 31-dust cap, 4-stereoscopic scanning module, 5-control module, 6-workpiece positioning module, 61-base, 62-stand, 63-support block, 64-table, 65-hanging column, 66-clamping jaw, 67-third spindle, 68-fourth motor, 69-fifth motor, 7-air detection equipment and 8-dust removal equipment.
Detailed Description
The following detailed description of preferred embodiments of the invention is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the invention, are used to explain the principles of the invention and are not intended to limit the scope of the invention.
In one embodiment of the present invention, as shown in fig. 1, an injection system is disclosed that includes a feed module 1, a spray head module 2, a motion module 3, and a workpiece positioning module 6.
The feed module 1 is used to feed the spray head module 2, and as shown in fig. 2, includes a cartridge assembly 11, a mixing assembly 12, an air compressor 13, a bin cleaning assembly 14, and a feed conduit 15.
The charging barrel assembly 11 comprises a powder hopper 111, a liquid hopper 112 and a storage bin 113, wherein the powder in the powder hopper 111 and the liquid in the liquid hopper 112 are respectively conveyed into the storage bin 113 according to the proportion, stirred and then output from the storage bin 113. The hopper 111 has a hopper valve for controlling the flow rate of powder in the hopper 111, the hopper 112 has a hopper valve for controlling the flow rate of liquid in the hopper 112, and the bin 113 has a bin valve for controlling the flow rate of material in the bin 113 when it is fed to the nozzle module 2.
The mixing assembly 12 is disposed within the bin 113 for mixing and agitating the powder and liquid. As shown in fig. 3, to prevent non-uniformity of the paint sprayed outside the workpiece due to non-uniform mixing in the paint, and to affect the quality of the workpiece spray, the mixing assembly 12 includes a first mixing assembly 121 and a second mixing assembly 122 for center and edge agitation. The first mixing assembly 121 is disposed at a lower portion of the bin 113, and the second mixing assembly 122 is disposed at an upper portion of the bin 113.
First mixing assembly 121 includes a first motor 1211, a screw 1212, a central stirring portion 1213, a first bracket 1214, and a first stirring rod 1215.
The first motor 1211 is arranged at the lower part of the bin 113, the central stirring part 1213 is sleeved on the screw 1212, and the first motor 1211 drives the screw 1212 to drive the central stirring part 1213 to stir the material in the middle of the bin 113. The central stirring portion 1213 may be rotated and reciprocally lifted in accordance with the rotation of the screw 1212. When the central stirring part 1213 rotates, the materials at different positions at the same height are mixed and fully stirred by rotating the materials at the middle part of the stirring bin 113, and when the central stirring part 1213 lifts, the materials at different heights at the middle part of the stirring bin 113 are driven to be mixed and fully stirred.
Preferably, the central stirring portion 1213 is a vortex-shaped sheet, and the vortex-shaped sheet has a spiral structure, and has the effects of stirring materials at radial heights and stirring materials at different heights axially when rotating, namely, the effect of lifting the materials upwards and the effect of mixing in radial directions, and the lifting and driving of the screw 1212 are combined, so that the vortex-shaped sheet fully stirs and mixes the materials in the middle of the bin 113 in the horizontal direction and the vertical direction.
Further, in general, since the material near the wall is far from the stirring center, effective mixing cannot be obtained, and a stirring dead zone is generated, so that the performance of the mixed paint is inconsistent, and the use of the paint is affected. The first mixing assembly 121 of this embodiment is provided with a first rack 1214 and a first stirring rod 1215. The first bracket 1214 is sleeved on the screw 1212, and rotates with the screw 1212. The first stirring rod 1215 is disposed longitudinally outside the first bracket 1214. The first stirring rod 1215 has a plurality of first stirring rods 1215 arranged in parallel, and a plurality of stirring eddies are formed during stirring, and the plurality of stirring eddies collide with each other along with the lifting of the first bracket 1214 and the first stirring rod 1215, so that materials with different heights are fully mixed. Since the first stirring rod 1215 is provided at the near wall surface, the near wall material is stirred.
Further, a second mixing assembly 122 is provided at the proximal wall for mating agitation with the first stirring rod 1215. The second mixing assembly 122 includes a second motor 1221, a first shaft 1222, a second bracket 1223, and a second stirring rod 1224. The second support 1223 is sleeved on the first rotating shaft 1222, the first rotating shaft 1222 is connected with an output shaft of the second motor 1221, and the second motor 1221 drives the first rotating shaft 1222 to rotate the second support 1223. The second stirring bar 1224 is longitudinally disposed inside the second stand 1223. The second stirring rod 1224 has a plurality of second stirring rods 1224 arranged in parallel. The second stirring rod 1224 and the first stirring rod 1215 are disposed opposite to each other without touching, and the first holder 1214 and the second holder 1223 do not collide with each other when rotated. The second stirring rod 1224 is disposed near the wall surface, and forms a plurality of stirring vortices during stirring, so that the materials are fully mixed.
The first bracket 1214 is opposite to the direction of rotation of the second bracket 1223. The vortices formed by the first and second stirring rods 1215, 1224 collide and cooperatively mix with each other to more quickly and uniformly mix the materials together and to more forcefully flush the wall deposit and the mixture adjacent the wall to enhance the stirring effect of the mixture at the wall.
Further, the second holder 1223 is provided outside with a peeling part 1225. As shown in fig. 4, the peeling part 1225 is preferably in a saw tooth structure, and when the second support 1223 rotates, the peeling part 1225 can peel off the attached matter on the wall surface, and the material mixture entering the bin 113 is continuously stirred, so that caking is reduced to affect fluidity. Specifically, the sawtooth structure is provided with two side surfaces, the included angle between the upper side surface and the wall surface is larger than that of the lower side surface, the upper side surface is used for stripping attachments, and the attachments roll down into the mixed liquid through the inclined surface of the lower side surface under the action of self gravity.
Compared with the prior art, the stirring part with the unchanged height is arranged at the center of the bin 113, the height of the central stirring part 1213 is variable, materials with different heights are mixed, and vortex-shaped sheets are used, so that the materials at the center of the bin 113 are circumferentially stirred, axially stirred, lifted and pulled down to be stirred, multidimensional stirring of the materials is realized, stirring efficiency and stirring effect are improved, good fluidity of the paint in the spraying process is ensured, blocking of spray holes due to caking is prevented, and the phenomenon that adhesive force and thickness between the paint and the surface of a workpiece are different is reduced. . The near wall is provided with the bidirectional stirring rod structure, so that the materials near the wall are mutually collided and fully mixed by the vortex formed by the stirring rod, a stirring dead zone is avoided, the wall attachments and the mixture near the wall are washed with greater force, and the stirring effect of the mixture at the wall is improved. The central stirring part 1213 and the edge stirring part are used together, so that the materials in the bin 113 are fully and uniformly stirred, and the spraying quality is improved. The peeling part 1225 near the wall surface can peel off the attached matter on the wall surface, and the material mixture entering the bin 113 is continuously stirred.
The cartridge cleaning assembly 14 includes a liquid inlet tube 141 and a liquid outlet tube 142. The liquid inlet pipe 141 is disposed at the upper portion of the bin 113, and the liquid outlet pipe 142 is disposed at the lower portion of the bin 113. The liquid inlet pipe 141 and the liquid outlet pipe 142 are respectively provided with corresponding valves. When the spraying is finished, the cleaning liquid is injected into the liquid inlet pipe 141 to the storage bin 113, the storage bin 113 is cleaned by the mixing assembly 12, wall attachments are scraped off, and the cleaned liquid is discharged from the liquid outlet pipe 142.
The air compressor 13 is arranged at one side of the bin 113, is communicated with the bin 113, and is used for feeding the spray head module 2 through a compressed air method. The conveying pipe is a hose and is connected with the storage bin 113 and the spray head module 2 and used for conveying the stirred materials in the storage bin 113 to the spray head module 2 for spraying.
The spray head module 2 is arranged on the movement module 3. As shown in fig. 5, the head module 2 includes a head assembly 21 and a head cleaning assembly 22.
The head assembly 21 includes a head 211, a rotating member 212, a connecting member 213, and a fixing member 214. The rotating member 212 is used for installing the spray head 211, the connecting member 213 is used for connecting the fixing member 214 and the rotating member 212, and the fixing member 214 is arranged at the lower part of the Y-axis sliding block and used for driving other parts of the spray head assembly 21 to move together with the Y-axis sliding block. The rotary member 212 is externally provided with a feed port 2121 which interfaces with the feed conduit 15. On the other side of the feed port 2121 is a liquid outlet port 2122.
The heads 211 are provided in two, including a first head 2111 and a second head 2112. The diameter of the first showerhead 2111 is greater than the diameter of the second showerhead 2112. The first spray head 2111 is used for ordinary spraying, and the second spray head 2112 is an elongated spray head 211 used for spraying with an elongated deep cavity and narrow slit structure, and can penetrate into the interior during spraying. The first showerhead 2111 is provided at a lower portion of the rotary member 212, and the second showerhead 2112 is provided at a side portion of the rotary member 212. The rotary member 212 is rotatable about its own axis, and the directions of the two heads 211 are rotatable with the rotary member 212. The feed port 2121 is filled with the mixed paint during the spraying operation, and the cleaning liquid is filled into the feed port 2121 after the spraying operation.
As shown in fig. 6, the head cleaning assembly 22 is disposed inside the head assembly 21, and includes a third motor 221, a second rotation shaft 222, a first portion 223, a second portion 224, and a third portion 225. The second portion 224 and the third portion 225 are capable of collapsing onto the first portion 223. The first portion 223 is secured within the connector 213. When deployed, the second portion 224 is located inside the swivel 212 and the third portion 225 is located inside the spray head 211. The second portion 224 and the third portion 225 are retracted inside the first portion 223 when the spraying operation is performed, and the second portion 224 and the third portion 225 are extended from the first portion 223 when the cleaning of the spray head 211 is required after the spraying operation is completed.
The wall of the second portion 224 is provided with a fluid inlet 2241, a fluid outlet and an air plenum 2242. The inlet 2241 corresponds to the inlet 2121 of the wall of the rotating member 212, and the outlet is provided on a side facing away from the inlet 2241 and corresponds to the outlet 2122 of the wall of the rotating member 212. An inflation port 2242 is provided in the wall of the swivel 212 on the side facing away from the second nozzle 2112. Sealing during spraying and filling compressed air during cleaning to speed up the flow rate of the cleaning liquid, forming vortex and flushing the spray hole of the spray head 211.
The third portion 225 is provided with a venturi structure 2251 and a cone structure 2252. A lower portion of venturi structure 2251 is provided with a tapered tube structure 2252 that mates with the head of spray head 211. The venturi structure 2251 further accelerates the flow of the rinse liquid to enhance the rinse effect of the spray head 211 at the spray orifice.
Further, the third portion 225 is externally provided with a dirt removal structure 2253. Illustratively, the dirt removing structure 2253 of this embodiment is a brush. The brush is spirally provided on the outer circumferential wall surface of the third portion 225. When the third portion 225 is extended out of the second portion 224, it is rotated into the inside of the nozzle 211 by the third motor 221, and the inner wall surface of the nozzle 211 is brushed while rotating to unscrew the surplus substances.
Compared with the prior art, the spray head cleaning assembly 22 is provided with a telescopic structure, the first part 223 is retracted and fixed during spraying operation, interference with the spraying operation is prevented, and the first part 223 is extended after the spraying operation, so that the spray head 211 is cleaned. The third portion 225 is provided with a venturi structure 2251 and with an air charging hole 2242 for charging compressed air. The combined action of the venturi and compressed air allows the spray head 211 to be cleaned more thoroughly. The peripheral wall surface of the third portion 225 is provided with a hairbrush which is spirally arranged, and when the second rotating shaft 222 rotates, the hairbrush rotates down the paint which is not thoroughly flushed on the inner wall of the spray head 211, so that the spray head 211 is thoroughly cleaned.
Further, the spray head module 2 further comprises a positioning probe 23, and the positioning probe 23 is used for feeding back the position of the spray head to the control module 5.
The motion module 3 is a three-axis motion system including an X-axis, a Y-axis, and a Z-axis. The X axis is used for adjusting the horizontal X-direction position of the spray head 211, the Y axis is used for adjusting the horizontal Y-direction position of the spray head 211, and the Z axis is used for adjusting the vertical position of the spray head 211. The spray head module 2 is arranged on the Y-axis sliding block.
The triaxial motion system of the motion module 3 is the prior art, and will not be described in detail here.
The movement module 3 is provided with a dust cover 31 to prevent dust and paint dust particles from entering the moving parts and to prevent wear of the parts. The dust cover 31 is a flexible cover, is provided on the end portion and the slider, and can be contracted or expanded along with the movement of the slider.
The three-dimensional scanning module 4 is arranged on the Z axis and is used for scanning the appearance of the workpiece and analyzing the complexity degree of different areas of the workpiece and the requirement on the paint.
Further, a control module 5 is further provided, and the control module 5 is used for controlling the action of the spray head 211, the operation of the motion mechanism and the feeding of the feeding mechanism. The feeding module 1, the spray head module 2, the movement module 3 and the workpiece positioning module 6 are electrically connected with the control module 5.
As shown in fig. 7, the workpiece positioning module 6 includes a base 61, a column 62, a support block 63, a table 64, and a rotating structure and a clamping structure.
The upright post 62 is disposed between the base 61 and the support block 63, and a table 64 is provided on the upper portion of the support block 63.
The rotating structure includes a fourth motor 68 and a third rotating shaft 67. A third rotating shaft 67 is arranged between the supporting block 63 and the workbench 64, and the third rotating shaft 67 is connected with an output shaft of a fourth motor 68. The table 64 is rotatable under the drive of a rotating structure. When one workpiece is sprayed, the fourth motor 68 drives the third rotating shaft 67 to rotate the workbench 64, and spraying of the next workpiece is performed.
The clamping structure is disposed above the workpiece and includes a fifth motor 69, a suspension post 65 and a clamping jaw 66. The fifth motor 69 can drive the lifting column 65 to be lifted and lowered to adjust the height of the work. The clamping jaw 66 can extend into the interior of the workpiece to lift the workpiece for spray application.
Further, an air detection device 7 is provided for detecting the dust concentration in the spray booth, and when the dust concentration exceeds a set standard, an alarm is given in time.
Further, a dust removing device 8 is provided for adsorbing and discharging dust in the room at the time of spraying. The dust removing device 8 is electrically connected with the control module 5.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411852264.XA CN119426012A (en) | 2024-12-16 | 2024-12-16 | An injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411852264.XA CN119426012A (en) | 2024-12-16 | 2024-12-16 | An injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119426012A true CN119426012A (en) | 2025-02-14 |
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ID=94511733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411852264.XA Pending CN119426012A (en) | 2024-12-16 | 2024-12-16 | An injection system |
Country Status (1)
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| CN (1) | CN119426012A (en) |
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