Injection system

Abstract

The invention relates to an injection system, belongs to the technical field of injection, and aims to solve the problem of blockage of a coating and an injection hole caused by poor stirring effect of a coating on the surface of a workpiece in the prior art. The device comprises a feeding module, a spray head module, a movement module and a workpiece positioning module, the feeding module is used for supplying materials to the spray head module and comprises a charging barrel assembly, a mixing assembly and a feeding pipeline; the nozzle module is arranged on the movement module and performs position adjustment along with the movement of the movement module; the feeding pipeline is connected with the charging barrel 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 movement module and the workpiece positioning module are electrically connected with the control module. The spraying quality and the spraying efficiency can be improved, and a coating is uniform.

Description

Technical Field

[0001] The present invention relates to the field of injection technology, and in particular to an injection system. Background Art

[0002] In the prior art, when spraying on the surface of a workpiece, the coating is not stirred well before entering the nozzle, resulting in insufficient bonding between the coating and the workpiece surface, poor adhesion, inconsistent spraying thickness, agglomeration of the coating that affects the use of the workpiece, and blockage of the spray hole during spraying. Summary of the invention

[0003] In view of the above analysis, an embodiment of the present invention aims to provide a spray system to solve the problem of coating and spray hole blockage caused by poor stirring effect of workpiece surface coating in the prior art.

[0004] The purpose of the present invention is mainly achieved through the following technical solutions:

[0005] A spraying system includes a feeding module, a spray head module, a motion module, a control module and a workpiece positioning module;

[0006] The feeding module is used to feed the nozzle module, and includes a barrel assembly, a mixing assembly and a feeding pipeline;

[0007] The nozzle module is arranged on the motion module, and the position is adjusted by the motion of the motion module; the feeding pipeline connects the barrel assembly and the nozzle module;

[0008] The workpiece positioning module is used to position the workpiece for spraying;

[0009] The feeding module, the nozzle module, the motion module and the workpiece positioning module are electrically connected to the control module.

[0010] Further, the barrel assembly includes a powder hopper, a liquid hopper and a silo;

[0011] The mixing component is arranged inside the silo; the mixing component is used to mix and stir the materials in the silo.

[0012] Furthermore, the feeding module also includes a silo cleaning component; the silo cleaning component is used for cleaning the silo after spraying.

[0013] Furthermore, the feeding module also includes an air compressor, which is arranged at one side of the silo and is used to feed the nozzle module through compressed air.

[0014] Furthermore, the workpiece positioning module includes a workbench, a rotating structure and a clamping structure.

[0015] Furthermore, the rotating structure includes a fourth motor and a third rotating shaft; the third rotating shaft is arranged in the middle of the workbench, and the third rotating shaft is connected to the output shaft of the fourth motor; the workbench can rotate under the drive of the rotating structure.

[0016] Furthermore, the clamping structure includes a hanging column, a clamping claw and a fifth motor; the hanging column can be raised and lowered under the action of the fifth motor, and the clamping claw can extend into the workpiece to clamp the workpiece.

[0017] Furthermore, it also includes a three-dimensional scanning module, which is used to scan the shape of the workpiece.

[0018] Furthermore, it also includes an air detection device, which is used to detect the dust concentration in the spraying room and issue an alarm in time when the dust concentration exceeds a set standard.

[0019] Furthermore, it also includes a dust removal device, which is electrically connected to the control module and is used for adsorbing and discharging indoor dust during spraying.

[0020] Furthermore, the mixing assembly includes a first mixing assembly and a second mixing assembly, the first mixing assembly is arranged at the lower part of the silo, and the second mixing assembly is arranged at the upper part of the silo.

[0021] Further, the first mixing assembly includes a first motor, a screw, a central stirring portion and a first bracket;

[0022] The central stirring part is sleeved on the screw, and the first motor drives the screw to drive the central stirring part to rotate and rise and fall;

[0023] The first bracket is sleeved on the screw rod, and the first motor drives the screw rod to drive the first bracket to rotate and rise and fall.

[0024] Furthermore, the central stirring portion is a vortex sheet.

[0025] Furthermore, the second mixing assembly includes a second motor, a first rotating shaft and a second bracket; the second bracket is sleeved on the first rotating shaft, the first rotating shaft is connected to the output shaft of the second motor, and the second motor drives the first rotating shaft to drive the second bracket to rotate;

[0026] The second bracket rotates in a direction opposite to that of the first bracket.

[0027] Furthermore, a plurality of first stirring rods are longitudinally arranged on the outer side of the first bracket; a plurality of second stirring rods are longitudinally arranged on the inner side of the second bracket; the first stirring rods and the second stirring rods are arranged opposite to each other;

[0028] The first stirring rod and the second stirring rod are arranged near the wall surface of the silo.

[0029] Furthermore, a peeling portion is provided on the outer side of the second bracket, and the peeling portion is used to peel off the attachments on the wall surface of the silo.

[0030] Furthermore, the peeling portion is a sawtooth structure, and the angle between the upper side surface of the sawtooth structure and the silo wall surface is greater than that between the lower side surface.

[0031] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0032] (1) The present invention transports the nozzle module to the position through the motion module, feeds the nozzle module through the feeding module, and positions the workpiece by the workpiece positioning module. The operations of the feeding module, the motion module and the nozzle module are uniformly controlled by the control module to realize automatic spraying.

[0033] (2) The present invention provides a workpiece positioning module for positioning the workpiece. The worktable in the workpiece positioning module can rotate so that after spraying one workpiece, the next workpiece can be sprayed. The clamping structure can extend into the workpiece to lift the workpiece for spraying.

[0034] (3) The three-dimensional scanning module in the present invention is used to scan the shape of the workpiece and analyze the complexity of different areas of the workpiece and the demand for coatings. The air detection device is used to detect the dust concentration in the spray room and issue an alarm in time when the dust concentration exceeds the set standard. The dust removal device is electrically connected to the control module and is used to absorb and discharge indoor dust during spraying.

[0035] (4) Compared with the prior art in which only a stirring section with a constant height is set at the center of the silo, the present invention sets a central stirring section with a variable height so that materials at different heights can be mixed. In addition, the use of vortex sheets allows the materials at the center of the silo to be stirred circumferentially, axially, and by lifting and pulling down, thereby achieving multi-dimensional stirring of the materials, improving the stirring efficiency and stirring effect, ensuring good fluidity of the coating during the spraying process, preventing agglomeration from clogging the spray hole, and reducing the adhesion and thickness unevenness between the coating and the workpiece surface.

[0036] (5) Compared with the prior art, the present invention sets a bidirectional stirring rod structure with opposite rotation directions near the wall surface, so that the materials near the wall surface are collided and fully mixed by the vortex formed by the stirring rod, avoiding the dead zone of stirring, and washing the wall attachments and the mixture near the wall surface with greater force, thereby improving the stirring effect of the mixture at the wall surface. The use of the central stirring part and the edge stirring part together can make the materials in the silo fully stirred and mixed evenly, thereby improving the spraying quality.

[0037] (6) Compared with the prior art, the present invention has a peeling portion near the wall surface, which can peel off the attached objects on the wall surface to prevent the wall surface from remaining. The sawtooth structure has two side surfaces, and the angle between the upper side surface and the wall surface is greater than that between the lower side surface. The upper side surface is used to peel off the attached objects, and the attached objects roll down into the mixed liquid through the inclined surface of the lower side surface under the action of their own gravity.

[0038] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the following content, and some advantages can be obvious from the description or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the contents particularly pointed out in the text and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The drawings are only for the purpose of illustrating particular embodiments and are not to be considered limiting of the present invention. Like reference symbols denote like components throughout the drawings.

[0040] Figure 1 is a schematic structural diagram of an injection system of a specific embodiment;

[0041] Figure 2 It is a structural schematic diagram of a feeding module in a specific embodiment;

[0042] Figure 3 is a schematic structural diagram of a mixing assembly of a specific embodiment;

[0043] Figure 4 It is a structural schematic diagram of a peeling portion of a specific embodiment;

[0044] Figure 5 is a structural schematic diagram of a nozzle module in a specific embodiment;

[0045] Figure 6 It is a structural schematic diagram of a nozzle cleaning assembly of a specific embodiment;

[0046] Figure 7 It is a structural schematic diagram of a workpiece positioning module of a specific embodiment.

[0047] Reference numerals:

[0048] 1-feeding module, 11-barrel assembly, 111-powder hopper, 112-liquid hopper, 113-silo, 12-mixing assembly, 121-first mixing assembly, 1211-first motor, 1212-screw, 1213-central stirring part, 1214-first bracket, 1215-first stirring rod, 122-second mixing assembly, 1221-second motor, 1222-first rotating shaft, 1223-second bracket, 1224-second stirring rod, 1225-peeling part, 13-air compressor, 14-silo cleaning assembly, 141-liquid inlet pipe, 142-liquid outlet pipe, 15-feeding pipeline, 2-spray head module, 21-spray head assembly, 211-spray head, 2111-first spray head, 2112-second spray head, 212-rotating part, 212 1-feeding interface, 2122-liquid outlet interface, 213-connecting part, 214-fixing part, 22-nozzle cleaning assembly, 221-third motor, 222-second rotating shaft, 223-first part, 224-second part, 2241-liquid inlet hole, 2242-inflating hole, 225-third part, 2251-Venturi tube structure, 2252-conical structure, 2253-pollution removal structure, 23-positioning probe, 3-motion module, 31-dust cover, 4-stereoscopic scanning module, 5-control module, 6-workpiece positioning module, 61-base, 62-column, 63-support block, 64-workbench, 65-hanging column, 66-gripper, 67-third rotating shaft, 68-fourth motor, 69-fifth motor, 7-air detection equipment, 8-dust removal equipment. DETAILED DESCRIPTION

[0049] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0050] A specific embodiment of the present invention, as Figure 1 As shown, a spraying system is disclosed, including a feeding module 1, a spray head module 2, a motion module 3 and a workpiece positioning module 6.

[0051] The feeding module 1 is used to feed the nozzle module 2. Figure 2 As shown, it includes a barrel assembly 11, a mixing assembly 12, an air compressor 13, a silo cleaning assembly 14 and a feeding pipeline 15.

[0052] The barrel assembly 11 includes a powder hopper 111, a liquid hopper 112 and a silo 113. The powder in the powder hopper 111 and the liquid in the liquid hopper 112 are respectively transported to the silo 113 in proportion for mixing and then output from the silo 113. The powder hopper 111 has a powder hopper valve for controlling the flow rate of the powder in the powder hopper 111; the liquid hopper 112 has a liquid hopper valve for controlling the flow rate of the liquid in the liquid hopper 112; and the silo 113 has a silo valve for controlling the flow rate of the material in the silo 113 when being transported to the nozzle module 2.

[0053] The mixing assembly 12 is disposed inside the silo 113 and is used for mixing the powder and the liquid. Figure 3 As shown, in order to prevent uneven mixing in the paint from causing inconsistency in the paint sprayed on the outside of the workpiece, affecting the workpiece spraying quality, the mixing assembly 12 includes a first mixing assembly 121 and a second mixing assembly 122 for center stirring and edge stirring. The first mixing assembly 121 is arranged at the lower part of the silo 113, and the second mixing assembly 122 is arranged at the upper part of the silo 113.

[0054] The 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 .

[0055] The first motor 1211 is disposed at the lower part of the silo 113, and the central stirring part 1213 is sleeved on the screw 1212. The first motor 1211 drives the screw 1212 to drive the central stirring part 1213 to stir the material in the middle of the silo 113. The central stirring part 1213 can rotate and reciprocate with the rotation of the screw 1212. When the central stirring part 1213 rotates, the materials in the middle of the silo 113 are mixed and fully stirred by rotating and stirring the materials at different positions at the same height; when the central stirring part 1213 is lifted and lowered, the materials at different heights in the middle of the silo 113 are mixed and fully stirred.

[0056] Preferably, the central stirring portion 1213 is a vortex sheet having a spiral structure. When rotating, it has the effect of stirring materials at the same height radially and stirring materials at different heights axially, that is, it has the function of lifting the materials upward and mixing them in the radial direction. Combined with the lifting and lowering drive of the screw 1212, the vortex sheet can fully stir and mix the materials in the middle of the silo 113 in the horizontal and vertical directions.

[0057] Furthermore, in general, since the materials near the wall are far from the stirring center and cannot be effectively mixed, a stirring dead zone will be generated, resulting in inconsistent performance of the mixed coating, which affects the use of the coating. In this embodiment, a first bracket 1214 and a first stirring rod 1215 are arranged in the first mixing component 121. The first bracket 1214 is sleeved on the screw 1212 and rotates with the screw 1212. The first stirring rod 1215 is longitudinally arranged on the outside of the first bracket 1214. There are multiple first stirring rods 1215, and multiple first stirring rods 1215 are arranged in parallel. During stirring, multiple stirring vortices are formed. As the first bracket 1214 and the first stirring rod 1215 rise and fall, multiple stirring vortices collide with each other, and materials at different heights are fully mixed. Since the first stirring rod 1215 is arranged near the wall, the material near the wall is stirred.

[0058] Further, a second mixing assembly 122 is provided near the wall surface for cooperating with the first stirring rod 1215 for stirring. The second mixing assembly 122 includes a second motor 1221, a first rotating shaft 1222, a second bracket 1223 and a second stirring rod 1224. The second bracket 1223 is sleeved on the first rotating shaft 1222, the first rotating shaft 1222 is connected to the output shaft of the second motor 1221, and the second motor 1221 drives the first rotating shaft 1222 to drive the second bracket 1223 to rotate. The second stirring rod 1224 is longitudinally arranged inside the second bracket 1223. There are multiple second stirring rods 1224, and multiple second stirring rods 1224 are arranged in parallel. The second stirring rod 1224 and the first stirring rod 1215 are arranged relative to each other and do not contact each other. When the first bracket 1214 and the second bracket 1223 rotate, they will not collide with each other. The second stirring rod 1224 is arranged near the wall surface, and multiple stirring vortices are formed during stirring to fully mix the materials.

[0059] The first bracket 1214 rotates in opposite directions to the second bracket 1223. The vortices formed by the first stirring rod 1215 and the second stirring rod 1224 collide with each other and mix in coordination, so that the materials are mixed together faster and more evenly, and the wall attachments and the mixture near the wall are washed more vigorously, thereby improving the stirring effect of the mixture at the wall.

[0060] Furthermore, a peeling portion 1225 is provided on the outer side of the second bracket 1223. Figure 4 As shown, preferably, the peeling portion 1225 is a sawtooth structure. When the second bracket 1223 rotates, the peeling portion 1225 can peel off the attachments on the wall surface and enter the material mixture in the silo 113 to continue stirring, thereby reducing agglomeration to affect fluidity. Specifically, the sawtooth structure has two side surfaces, and the angle between the upper side surface and the wall surface is greater than that between the lower side surface. The upper side surface is used to peel off the attachments, and the attachments roll down into the mixture through the inclined surface of the lower side surface under the action of their own gravity.

[0061] Compared with the prior art, in which only a stirring part with a constant height is set at the center of the silo 113, the central stirring part 1213 of the embodiment is set with a variable height, so that materials at different heights can be mixed, and the use of the vortex sheet allows the materials in the center of the silo 113 to be stirred circumferentially, axially, lifted and pulled down, so as to achieve multi-dimensional stirring of the materials, improve stirring efficiency and stirring effect, ensure good fluidity of the coating during spraying, prevent agglomeration from blocking the spray hole, and reduce the adhesion and thickness of the coating to the surface of the workpiece. . A bidirectional stirring rod structure is set near the wall surface, so that the materials near the wall surface are collided and fully mixed by the vortex formed by the stirring rod, avoiding the dead zone of stirring, and washing the wall attachments and the mixture near the wall surface with greater force, so as to improve the stirring effect of the mixture at the wall surface. The joint use of the central stirring part 1213 and the edge stirring part allows the materials in the silo 113 to be fully stirred and mixed evenly, thereby improving the spraying quality. The peeling part 1225 near the wall surface can peel off the attachments on the wall surface and enter the material mixture in the silo 113 to continue stirring.

[0062] The silo cleaning assembly 14 includes a liquid inlet pipe 141 and a liquid outlet pipe 142. The liquid inlet pipe 141 is arranged at the upper part of the silo 113, and the liquid outlet pipe 142 is arranged at the lower part of the silo 113. The liquid inlet pipe 141 and the liquid outlet pipe 142 are both provided with corresponding valves. When the spraying is finished, the cleaning liquid is injected into the silo 113 through the liquid inlet pipe 141, and the silo 113 is cleaned and the wall attachments are scraped off by the mixing assembly 12, and the cleaned liquid is discharged from the liquid outlet pipe 142.

[0063] The air compressor 13 is arranged on one side of the silo 113 and communicated with the silo 113 for feeding the nozzle module 2 by compressed air. The feeding pipe is a hose connecting the silo 113 and the nozzle module 2 for conveying the stirred material in the silo 113 to the nozzle module 2 for spraying.

[0064] The nozzle module 2 is arranged on the motion module 3. Figure 5 As shown, the nozzle module 2 includes a nozzle assembly 21 and a nozzle cleaning assembly 22 .

[0065] The nozzle assembly 21 includes a nozzle 211, a rotating member 212, a connecting member 213 and a fixing member 214. The rotating member 212 is used to install the nozzle 211; the connecting member 213 connects the fixing member 214 and the rotating member 212; the fixing member 214 is arranged at the lower part of the Y-axis slider, and is used to drive other parts of the nozzle assembly 21 and the Y-axis slider to move together. A feed interface 2121 is arranged outside the rotating member 212, and is connected to the feeding pipe 15. The other side of the feed interface 2121 is a liquid outlet interface 2122.

[0066] There are two nozzles 211, including a first nozzle 2111 and a second nozzle 2112. The diameter of the first nozzle 2111 is larger than the diameter of the second nozzle 2112. The first nozzle 2111 is used for ordinary spraying; the second nozzle 2112 is an elongated nozzle 211, which is used for spraying elongated deep cavities and narrow slit structures, and can penetrate deep into the interior during spraying. The first nozzle 2111 is arranged at the lower part of the rotating member 212, and the second nozzle 2112 is arranged at the side of the rotating member 212. The rotating member 212 can rotate around its own axis, and the directions of the two nozzles 211 can rotate with the rotating member 212. During the spraying operation, the mixed paint is injected into the feed interface 2121; after the spraying operation, the cleaning liquid is injected into the feed interface 2121.

[0067] like Figure 6 As shown, the nozzle cleaning assembly 22 is arranged inside the nozzle assembly 21, and includes a third motor 221, a second rotating shaft 222, a first part 223, a second part 224 and a third part 225. The second part 224 and the third part 225 can be retracted in the first part 223. The first part 223 is fixed inside the connecting member 213. When unfolded, the second part 224 is located inside the rotating member 212, and the third part 225 is located inside the nozzle 211. When the spraying operation is in progress, the second part 224 and the third part 225 are retracted inside the first part 223; when the nozzle 211 needs to be cleaned after the spraying operation is completed, the second part 224 and the third part 225 extend out of the first part 223.

[0068] The wall surface of the second part 224 is provided with a liquid inlet hole 2241, a liquid outlet hole and an air filling hole 2242. The liquid inlet hole 2241 corresponds to the position of the feed interface 2121 on the wall surface of the rotating member 212, and the liquid outlet hole is arranged on the side away from the liquid inlet hole 2241, corresponding to the liquid outlet interface 2122 on the wall surface of the rotating member 212. The air filling hole 2242 is correspondingly arranged on the side of the wall surface of the rotating member 212 away from the second nozzle 2112. It is sealed during spraying, and compressed air is filled in during cleaning to accelerate the flow rate of the cleaning liquid, form a vortex, and flush the nozzle hole of the nozzle 211.

[0069] The third part 225 is provided with a venturi tube structure 2251 and a conical structure 2252. The conical tube structure 2252 matching the head of the nozzle 211 is provided below the venturi tube structure 2251. The venturi tube structure 2251 further accelerates the flushing cleaning liquid flow to improve the flushing effect of the nozzle 211 at the nozzle hole.

[0070] Further, a dirt removal structure 2253 is disposed outside the third part 225. Exemplarily, the dirt removal structure 2253 of this embodiment is a brush. The brush is spirally disposed on the outer peripheral wall surface of the third part 225. When the third part 225 extends out of the second part 224, it rotates into the inside of the nozzle 211 under the drive of the third motor 221, and brushes the inner wall surface of the nozzle 211 while rotating to remove excess matter.

[0071] Compared with the prior art, the nozzle cleaning assembly 22 of this embodiment is configured as a telescopic structure. During the spraying operation, the fixed first part 223 is retracted to prevent interference with the spraying operation; after the spraying operation, the first part 223 is extended to clean the nozzle 211. The third part 225 is provided with a venturi tube structure 2251 and an air filling hole 2242 for filling with compressed air. The combined action of the venturi tube and compressed air allows the nozzle 211 to be cleaned more thoroughly. The outer peripheral wall of the third part 225 is provided with a spirally arranged brush. When the second rotating shaft 222 rotates, the brush unscrews the paint that has not been thoroughly washed off the inner wall of the nozzle 211, so that the nozzle 211 is cleaned more thoroughly.

[0072] Furthermore, the nozzle module 2 also includes a positioning probe 23 , and the positioning probe 23 is used to feed back the position of the nozzle to the control module 5 .

[0073] 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 to adjust the horizontal X-axis position of the nozzle 211, the Y-axis is used to adjust the horizontal Y-axis position of the nozzle 211, and the Z-axis is used to adjust the vertical position of the nozzle 211. The nozzle module 2 is set on the Y-axis slider.

[0074] The three-axis motion system of the motion module 3 is a prior art and will not be described in detail here.

[0075] The motion module 3 is provided with a dust cover 31 to prevent dust and paint dust particles from entering the moving parts and prevent the parts from being worn. The dust cover 31 is a flexible cover, which is provided on the end and the slider and can be retracted or expanded with the movement of the slider.

[0076] The three-dimensional scanning module 4 is arranged on the Z axis, and is used to scan the shape of the workpiece, and analyze the complexity of different areas of the workpiece and the demand for coatings.

[0077] Furthermore, a control module 5 is provided, which is used to control the movement of the nozzle 211, the operation of the motion mechanism and the feeding of the feeding mechanism. The feeding module 1, the nozzle module 2, the motion module 3 and the workpiece positioning module 6 are electrically connected to the control module 5.

[0078] like Figure 7 As shown, the workpiece positioning module 6 includes a base 61, a column 62, a support block 63, a workbench 64, a rotating structure and a clamping structure.

[0079] The column 62 is disposed between the base 61 and the support block 63 , and a workbench 64 is disposed on the upper portion of the support block 63 .

[0080] The rotating structure includes a fourth motor 68 and a third rotating shaft 67. The third rotating shaft 67 is arranged between the support block 63 and the workbench 64, and the third rotating shaft 67 is connected to the output shaft of the fourth motor 68. The workbench 64 can rotate under the drive of the rotating structure. When one workpiece is sprayed, the fourth motor 68 drives the third rotating shaft 67 to rotate the workbench 64 to spray the next workpiece.

[0081] The clamping structure is arranged above the workpiece, and includes a fifth motor 69, a hanging column 65 and a clamping jaw 66. The fifth motor 69 can drive the hanging column 65 to rise and fall to adjust the height of the workpiece. The clamping jaw 66 can extend into the workpiece to lift the workpiece for spraying.

[0082] Furthermore, an air detection device 7 is provided to detect the dust concentration in the spraying room, and to promptly issue an alarm when the dust concentration exceeds a set standard.

[0083] Furthermore, a dust removal device 8 is provided for absorbing and discharging indoor dust during spraying. The dust removal device 8 is electrically connected to the control module 5 .

[0084] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. An injection system, characterized in that: It comprises a feeding module (1), a nozzle module (2), a motion module (3), a control module (5) and a workpiece positioning module (6); The feeding module (1) is used to feed the nozzle module (2), and comprises a barrel assembly (11), a mixing assembly (12) and a feeding pipeline (15); The nozzle module (2) is arranged on the motion module (3), and its position is adjusted by the motion of the motion module (3); the feeding pipe (15) connects the barrel assembly (11) and the nozzle module (2); The workpiece positioning module (6) is used to position the workpiece for spraying; The feeding module (1), the nozzle module (2), the motion module (3) and the workpiece positioning module (6) are electrically connected to the control module (5).

2. The injection system according to claim 1, characterized in that The barrel assembly (11) comprises a powder hopper (111), a liquid hopper (112) and a silo (113); The mixing component (12) is arranged inside the silo (113); the mixing component (12) is used to mix and stir the materials in the silo (113).

3. The injection system according to claim 2, characterized in that The feeding module (1) further comprises a silo cleaning component (14); the silo cleaning component (14) is used for cleaning the silo (113) after spraying.

4. The injection system according to claim 2, characterized in that The feeding module (1) further comprises an air compressor (13), wherein the air compressor (13) is arranged on one side of the material bin (113), and the air compressor (13) is used to feed the nozzle module (2) by means of compressed air.

5. The injection system according to claim 1, characterized in that The workpiece positioning module (6) comprises a workbench (64), a rotating structure and a clamping structure.

6. The injection system according to claim 5, characterized in that The rotating structure comprises a fourth motor (68) and a third rotating shaft (67); the third rotating shaft (67) is arranged in the middle of the workbench (64), and the third rotating shaft (67) is connected to the output shaft of the fourth motor (68); the workbench (64) can rotate under the drive of the rotating structure.

7. The injection system according to claim 5, characterized in that The clamping structure comprises a hanging column (65), a clamping claw (66) and a fifth motor (69); the hanging column (65) can be raised and lowered under the action of the fifth motor (69), and the clamping claw (66) can extend into the interior of a workpiece to clamp the workpiece.

8. The injection system according to claim 1, characterized in that It also comprises a three-dimensional scanning module (4), wherein the three-dimensional scanning module (4) is used to scan the shape of a workpiece.

9. The injection system according to claim 1, characterized in that It also includes an air detection device (7), which is used to detect the dust concentration in the spraying room and issue an alarm in time when the dust concentration exceeds a set standard.

10. The injection system according to claim 1, characterized in that It also includes a dust removal device (8), which is electrically connected to the control module (5) and is used for absorbing and discharging indoor dust during spraying.

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