CN221016783U - Plastic spraying device for high-speed guardrail production - Google Patents
Plastic spraying device for high-speed guardrail production Download PDFInfo
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- CN221016783U CN221016783U CN202322635897.2U CN202322635897U CN221016783U CN 221016783 U CN221016783 U CN 221016783U CN 202322635897 U CN202322635897 U CN 202322635897U CN 221016783 U CN221016783 U CN 221016783U
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- 238000005507 spraying Methods 0.000 title claims abstract description 58
- 229920003023 plastic Polymers 0.000 title claims abstract description 24
- 239000004033 plastic Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 43
- 239000007921 spray Substances 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims description 29
- 230000002457 bidirectional effect Effects 0.000 claims description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 20
- 239000011521 glass Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Spray Control Apparatus (AREA)
Abstract
The utility model relates to the technical field of plastic spraying technology, in particular to a plastic spraying device for producing high-speed guardrails, which enables equipment to carry out surrounding spraying on a workpiece through a rotating platform, reduces spraying dead angles and enables the surface spraying distribution of the workpiece to be uniform; the distance between the spray head and the workpiece is changed through the distance adjusting device, the spray head is driven to move up and down through the lifting device, the spray head is driven to shake up and down through the direction adjusting device, the spraying effect is improved, and the influence of powder on the operation environment in the production process is reduced through the dust-proof device; dust in the equipment is collected through the dust collecting device, so that the practicability of the device is improved; the device comprises a frame, a conveying chain and hooks, wherein a plurality of groups of supporting legs are arranged on the lower end surface of the frame, the conveying chain is arranged on the inner top end surface of the frame, and a plurality of groups of hooks are connected to the conveying chain; comprises a rotary platform, a distance adjusting device, a lifting device, a direction adjusting device, a dust-proof device and a dust collecting device.
Description
Technical Field
The utility model relates to the technical field of plastic spraying technology, in particular to a plastic spraying device for producing high-speed guardrails.
Background
The plastic spraying is a surface treatment method for spraying plastic powder on parts, and compared with the common spray painting surface treatment, the technology has the advantages of advanced process, energy conservation, high efficiency, safety, reliability, gorgeous color and the like. Therefore, the method is often applied to the fields of light industry and household decoration. The working principle of the method is that plastic powder is charged through high-voltage electrostatic equipment, the paint is sprayed on the surface of a workpiece under the action of an electric field, and the powder is uniformly adsorbed on the surface of the workpiece to form a powdery coating; the powder coating is subjected to leveling and solidification after being baked at high temperature, and plastic particles can be melted into a layer of compact final protective coating with different effects; firmly attached to the surface of the workpiece; the high-speed guardrail main body is divided into two parts, namely a corrugated steel plate and a support column; the highway guardrail is bent, so that the attractiveness is improved, meanwhile, the strength of the guardrail plate is improved, and the highway guardrail and the guardrail plate are both achieved.
The utility model patent of China with the application number of CN201721807531.7 in the prior art relates to a guardrail plastic spraying device, which comprises a base, a plastic spraying chamber, a conveyor belt, a hook and a spray head, and solves the problem of plastic spraying efficiency reduction caused by plastic spraying time increase in the guardrail plastic spraying process.
However, the above device has the following problems in practical use: firstly, the spraying position of the device can only move up and down, and uneven surface spraying is easily caused when the corrugated plate is sprayed; secondly, in the spraying process, the sprayed dust can overflow from the window, so that the pollution to the operation environment is caused.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a device which can carry out surrounding spraying on a workpiece through a rotary platform, so that the spraying dead angle is reduced, and the surface of the workpiece is uniformly sprayed; the distance between the spray head and the workpiece is changed through the distance adjusting device, the spray head is driven to move up and down through the lifting device, the spray head is driven to shake up and down through the direction adjusting device, the spraying effect is improved, and the influence of powder on the operation environment in the production process is reduced through the dust-proof device; dust inside the equipment is collected through the dust collecting device, and the plastic spraying device for high-speed guardrail production improves the practicability of the device.
The utility model relates to a plastic spraying device for producing high-speed guardrails, which comprises a frame, a conveying chain and hooks, wherein a plurality of groups of supporting legs are arranged on the lower end surface of the frame, the conveying chain is arranged on the inner top end surface of the frame, and a plurality of groups of hooks are connected on the conveying chain; the device comprises a rotating platform, a distance adjusting device, a lifting device, a direction adjusting device, a dust preventing device and a dust collecting device, wherein the rotating platform is arranged on a frame; the equipment can carry out surrounding spraying on the workpiece through the rotary platform, so that the spraying dead angle is reduced, and the surface of the workpiece is uniformly sprayed; the distance between the spray head and the workpiece is changed through the distance adjusting device, the spray head is driven to move up and down through the lifting device, the spray coating is driven to shake up and down through the direction adjusting device, the spraying effect is improved, and the influence of powder on the operation environment in the production process is reduced through the dust-proof device; dust inside the device is collected through the dust collecting device, and the practicability of the device is improved.
Preferably, the rotary platform comprises a speed reducer, a first motor and the rotary platform, the front part of the lower end surface of the frame is provided with the speed reducer, the speed reducer is provided with the first motor, and the output end of the speed reducer penetrates through the lower end surface of the frame and extends into the frame to be connected with the rotary platform; the first motor is started to transmit power to the rotary platform through the speed reducer to drive the rotary platform to rotate, so that the spray head is driven to rotate around the workpiece, the spraying of equipment is uniform, and the practicability of the device is improved.
Preferably, the distance adjusting device comprises an adjusting groove, limiting slide rails, a bidirectional screw rod, a second motor and a transverse moving platform, wherein the adjusting groove is formed in the upper end face of the rotating platform, a group of limiting slide rails are respectively arranged on the left side face and the right side face in the adjusting groove, the bidirectional screw rod is horizontally arranged in the adjusting groove, the two groups of transverse moving platforms of the transverse moving platform are symmetrically arranged in the adjusting groove and are connected with the bidirectional screw rod through nuts, the second motor is arranged on the side face of the rotating platform, and the output end of the second motor penetrates through the side face of the rotating platform to be connected with the bidirectional screw rod; the second motor is started to transmit power to the bidirectional screw rod to drive the bidirectional screw rod to rotate, the bidirectional screw rod and the transverse moving platform are driven to drive the two groups of transverse moving platforms to move in opposite directions or back to adjust the distance between the spray head and the workpiece, the two groups of limiting slide rails limit the movement of the transverse moving platforms, the vibration of the transverse moving platforms in the moving process is reduced, and the practicability of the device is improved.
Preferably, the lifting device comprises a supporting rod, a third motor, a reciprocating screw and a lifting platform, wherein the supporting rod is arranged on the upper end face of the transverse moving platform, the third motor is arranged on the upper end face of the supporting rod, the output end of the third motor is connected with the reciprocating screw, the lower end face of the reciprocating screw is connected with the upper end face of the transverse moving platform, two groups of rectangular holes are vertically formed in the side face of the supporting rod, and the first motor is connected with the speed reducer through a nut; and the third motor is started to transmit power to the reciprocating screw rod to drive the reciprocating screw rod to rotate, so that the lifting platform is driven to continuously reciprocate up and down on the supporting rod, the spray head is driven to change the spraying height, the whole spraying process of the workpiece is automatically completed, and the spraying dead angle is reduced.
Preferably, the direction adjusting device comprises a fourth motor, a spray head and a quick connector, wherein the side surface of the lifting platform is connected with a bracket, the bracket penetrates through a rectangular hole of the supporting rod to extend to the inner side of the supporting rod, the lifting platform is arranged on the side surface of the bracket, the output end of the lifting platform is connected with the spray head, and the quick connector is arranged on the input end of the spray head; and the fourth motor is started to drive the spray head to shake up and down, so that the effective spraying area at the same height is increased, and the spraying effect of the equipment is improved.
Preferably, the dustproof device comprises a sealing plate and a glass window, the front part of the frame is provided with the sealing plate, and the glass window is arranged on the front end surface of the sealing plate; the diffusion of dust in the spraying process is reduced through the sealing plate, an operator can observe the internal spraying process through the glass window conveniently, and the operator can control the spraying process conveniently.
Preferably, a sealing box is arranged on the upper end face of the frame, a fan is arranged on the front end face of the sealing box, a group of dust collection heads are vertically arranged at the left end opening and the right end opening of the sealing plate at the left end and the right end of the frame respectively, the output ends of the dust collection heads are communicated with the inside of the sealing box through air pipes, and dust collection bags are sleeved at the communicating parts in the sealing box; the fan is started to pump out the air in the sealed box to enable the sealed box to be in a negative pressure state, so that the two groups of dust collection heads suck the air and dust on the left side and the right side of the sealing plate into the dust collection bag to collect, the influence of dust overflow on the working environment is reduced, and the practicability of the device is improved
Compared with the prior art, the utility model has the beneficial effects that: the equipment can carry out surrounding spraying on the workpiece through the rotary platform, so that the spraying dead angle is reduced, and the surface of the workpiece is uniformly sprayed; the distance between the spray head and the workpiece is changed through the distance adjusting device, the spray head is driven to move up and down through the lifting device, the spray head is driven to shake up and down through the direction adjusting device, the spraying effect is improved, and the influence of powder on the operation environment in the production process is reduced through the dust-proof device; dust inside the device is collected through the dust collecting device, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic view of a first axial structure of the present utility model;
FIG. 2 is a schematic view of a second axial structure of the present utility model;
FIG. 3 is a schematic view of a first cross-sectional structure of the present utility model;
FIG. 4 is a schematic view of a second cross-sectional structure of the present utility model;
FIG. 5 is a schematic view of a partially enlarged construction of the distance adjusting device;
The reference numerals in the drawings: 1. a frame; 2. a conveyor chain; 3. a hook; 4. a speed reducer; 5. a first motor; 6. rotating the platform; 7. an adjustment tank; 8. a limit sliding rail; 9. a bidirectional screw rod; 10. a second motor; 11. a traversing platform; 12. a support rod; 13. a third motor; 14. a reciprocating screw; 15. a lifting platform; 16. a fourth motor; 17. a spray head; 18. a quick connector; 19. a sealing plate; 20. a glazing; 21. a seal box; 22. a blower; 23. a dust collecting bag; 24. a dust collection head.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1, 2, 3, 4 and 5, the rotating platform is mounted on the frame 1, the distance adjusting device is mounted on the rotating device, the lifting device is mounted on the distance adjusting device, the direction adjusting device is mounted on the lifting device, and the dust-proof device is mounted on the frame 1;
Firstly, hanging a workpiece on a hook 3, starting a conveying chain 2 to drive the workpiece to move to the upper side of a rotary platform 6, starting a spray head 17 to spray the workpiece, simultaneously starting a first motor 5 to transmit power to the rotary platform 6 through a speed reducer 4 to drive the rotary platform 6 to rotate, starting a second motor 10 to transmit power to a bidirectional screw 9 to drive the bidirectional screw 9 to rotate according to production requirements, driving two groups of traversing platforms 11 to move oppositely or back to move through the transmission of the bidirectional screw 9 and a traversing platform 11, thereby adjusting the distance between the spray head and the workpiece, then starting a third motor 13 to transmit power to a reciprocating screw 14 to drive the reciprocating screw 14 to rotate, thereby driving a lifting platform 15 to continuously reciprocate up and down on a support rod 12, and driving the spray head to change the spraying height to start a fourth motor 16 to drive the spray head 17 to shake up and down, thereby increasing the effective spraying area on the same height;
The rotary platform comprises a speed reducer 4, a first motor 5 and a rotary platform 6, the front part of the lower end surface of the frame 1 is provided with the speed reducer 4, the speed reducer 4 is provided with the first motor 5, and the output end of the speed reducer 4 passes through the lower end surface of the frame 1 and extends into the frame 1 to be connected with the rotary platform 6;
the distance adjusting device comprises an adjusting groove 7, limiting slide rails 8, a bidirectional screw rod 9, a second motor 10 and a transverse moving platform 11, wherein the adjusting groove 7 is formed in the upper end face of the rotating platform 6, a group of limiting slide rails 8 are respectively arranged on the left side face and the right side face in the adjusting groove 7, the bidirectional screw rod 9 is horizontally arranged in the adjusting groove 7, two groups of transverse moving platforms 11 of the transverse moving platform 11 are symmetrically arranged in the adjusting groove 7 and are connected with the bidirectional screw rod 9 through nuts, the second motor 10 is arranged on the side face of the rotating platform 6, and the output end of the second motor 10 penetrates through the side face of the rotating platform 6 to be connected with the bidirectional screw rod 9;
the lifting device comprises a supporting rod 12, a third motor 13, a reciprocating screw rod 14 and a lifting platform 15, wherein the supporting rod 12 is arranged on the upper end surface of the transverse moving platform 11, the third motor 13 is arranged on the upper end surface of the supporting rod 12, the output end of the third motor 13 is connected with the reciprocating screw rod 14, the lower end surface of the reciprocating screw rod 14 is connected with the upper end surface of the transverse moving platform 11, two groups of rectangular holes are vertically formed in the side surface of the supporting rod 12, and the first motor 5 is connected with the speed reducer 4 through a nut;
The direction adjusting device comprises a fourth motor 16, a spray head 17 and a quick connector 18, wherein the side surface of the lifting platform 15 is connected with a bracket, the bracket penetrates through a rectangular hole of the supporting rod 12 to extend to the inner side of the supporting rod 12, the lifting platform 15 is arranged on the side surface of the bracket, the spray head 17 is connected to the output end of the lifting platform 15, and the quick connector 18 is arranged at the input end of the spray head 17;
The dustproof device comprises a sealing plate 19 and a glass window 20, the front part of the frame 1 is provided with the sealing plate 19, and the front end surface of the sealing plate 19 is provided with the glass window 20;
The equipment can carry out surrounding spraying on the workpiece through the rotary platform, so that the spraying dead angle is reduced, and the surface of the workpiece is uniformly sprayed; the distance between the spray head and the workpiece is changed through the distance adjusting device, the spray head is driven to move up and down through the lifting device, the spray coating is driven to shake up and down through the direction adjusting device, the spraying effect is improved, and the influence of powder on the operation environment in the production process is reduced through the dust-proof device.
Example 2
The improvement on the first embodiment comprises a dust collecting device which is arranged on the frame;
Dust in the equipment is collected through the dust collecting device, so that the practicability of the device is improved;
the blower 22 is started to pump out the air in the sealed box 21 to enable the sealed box 21 to be in a negative pressure state, so that the two groups of dust collection heads 24 suck the air and dust on the left side and the right side of the sealing plate 19 into the dust collection bag 23 for collection, the influence of dust overflow on the working environment is reduced, and the practicability of the device is improved;
The upper end face of the frame 1 is provided with a sealing box 21, the front end face of the sealing box 21 is provided with a fan 22, the left and right ends of the frame 1 are respectively and vertically provided with a group of dust collection heads 24 at the left and right end openings of the sealing plate 19, the output end of the dust collection heads 24 is communicated with the inside of the sealing box 21 through an air pipe, and a dust collection bag 23 is sleeved at the inner communication position of the sealing box 21.
As shown in fig. 1 to 5, in the spraying device for producing a high-speed guardrail, when the spraying device is in operation, firstly, a fan 22 is started to pump air in a sealed box 21 to enable the sealed box 21 to be in a negative pressure state, so that two groups of dust collection heads 24 suck air and dust on the left side and the right side of a sealing plate 19 into a dust collection bag 23 to collect the air and dust, then a workpiece is hung on a hook 3, a conveying chain 2 is started to drive the workpiece to move to the upper side of a rotating platform 6, then a spray head 17 is started to spray the workpiece, meanwhile, a first motor 5 is started to transmit power to the rotating platform 6 through a speed reducer 4 to drive the rotating platform 6 to rotate, a second motor 10 is started to transmit power to a bidirectional screw 9 to drive the bidirectional screw 9 to rotate according to production requirements, the bidirectional screw 9 and a transverse moving platform 11 drive the two groups of platforms 11 to move oppositely or reversely, and accordingly the distance between the spray head and the workpiece is adjusted, and then a third motor 13 is started to transmit power to a reciprocating screw 14 to drive the reciprocating screw 14 to rotate, so that the lifting platform 15 is driven to continuously reciprocate up and down on a support rod 12 to drive the spray head 16 to change the spraying height, and the spray head 16 is driven to move up and down, and the spray head is moved up and the same in a high-efficient manner.
The blower 22, the fourth motor 16, the third motor 13, the second motor 10, the speed reducer 4 and the first motor 5 of the spraying device for high-speed guardrail production of the present utility model are commercially available, and those skilled in the art can only install and operate according to the attached instructions without the need for creative efforts of those skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. A plastic spraying device for producing high-speed guardrails comprises a frame (1), a conveying chain (2) and hooks (3), wherein a plurality of groups of supporting legs are arranged on the lower end face of the frame (1), the conveying chain (2) is arranged on the inner top end face of the frame (1), and a plurality of groups of hooks (3) are connected to the conveying chain (2); the dust collector is characterized by further comprising a rotating platform, a distance adjusting device, a lifting device, a direction adjusting device, a dust collector and a dust collector, wherein the rotating platform is arranged on the frame (1), the distance adjusting device is arranged on the rotating platform, the lifting device is arranged on the distance adjusting device, the direction adjusting device is arranged on the lifting device, and the dust collector are arranged on the frame (1).
2. A plastics spraying device for high speed rail production according to claim 1, characterized in that the rotating platform comprises a speed reducer (4), a first motor (5) and a rotating platform (6), the speed reducer (4) is arranged in front of the lower end face of the frame (1), the first motor (5) is arranged on the speed reducer (4), and the output end of the speed reducer (4) extends into the frame (1) through the lower end face of the frame (1) and is connected with the rotating platform (6).
3. The plastic spraying device for producing the high-speed guardrails according to claim 2, wherein the distance adjusting device comprises an adjusting groove (7), a limiting sliding rail (8), a bidirectional screw rod (9), a second motor (10) and a transverse moving platform (11), the adjusting groove (7) is formed in the upper end face of the rotating platform (6), a group of limiting sliding rails (8) are respectively arranged on the left side face and the right side face in the adjusting groove (7), the bidirectional screw rod (9) is horizontally arranged in the adjusting groove (7), the two groups of transverse moving platforms (11) of the transverse moving platform (11) are symmetrically arranged in the adjusting groove (7) and are connected with the bidirectional screw rod (9) through nuts, a second motor (10) is arranged on the side face of the rotating platform (6), and the output end of the second motor (10) penetrates through the side face of the rotating platform (6) to be connected with the bidirectional screw rod (9).
4. A plastics spraying device for high-speed guardrail production according to claim 3, characterized in that the lifting device comprises a supporting rod (12), a third motor (13), a reciprocating screw (14) and a lifting platform (15), wherein the supporting rod (12) is arranged on the upper end face of the transverse moving platform (11), the third motor (13) is arranged on the upper end face of the supporting rod (12), the reciprocating screw (14) is connected to the output end of the third motor (13), the lower end face of the reciprocating screw (14) is connected with the upper end face of the transverse moving platform (11), two groups of rectangular holes are vertically formed in the side face of the supporting rod (12), and the first motor (5) is connected with the speed reducer (4) through nuts.
5. The plastic spraying device for producing the high-speed guardrail according to claim 4, characterized in that the direction adjusting device comprises a fourth motor (16), a spray head (17) and a quick connector (18), a bracket is connected to the side surface of the lifting platform (15), the bracket extends to the inner side of the supporting rod (12) through a rectangular hole of the supporting rod (12), the lifting platform (15) is arranged on the side surface of the bracket, the spray head (17) is connected to the output end of the lifting platform (15), and the quick connector (18) is arranged on the input end of the spray head (17).
6. A plastic spraying device for high-speed guardrail production as claimed in claim 1, characterized in that the dust-proof device comprises a sealing plate (19) and a glass window (20), the sealing plate (19) is arranged at the front part of the frame (1), and the glass window (20) is arranged on the front end surface of the sealing plate (19).
7. The plastic spraying device for producing the high-speed guardrails according to claim 1, wherein a sealing box (21) is arranged on the upper end face of the frame (1), a fan (22) is arranged on the front end face of the sealing box (21), a group of dust collection heads (24) are vertically arranged at the left end opening and the right end opening of the sealing plate (19) at the left end and the right end of the frame (1), the output ends of the dust collection heads (24) are communicated with the inside of the sealing box (21) through air pipes, and dust collection bags (23) are sleeved at the inner communicating parts of the sealing box (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322635897.2U CN221016783U (en) | 2023-09-27 | 2023-09-27 | Plastic spraying device for high-speed guardrail production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322635897.2U CN221016783U (en) | 2023-09-27 | 2023-09-27 | Plastic spraying device for high-speed guardrail production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221016783U true CN221016783U (en) | 2024-05-28 |
Family
ID=91179030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322635897.2U Active CN221016783U (en) | 2023-09-27 | 2023-09-27 | Plastic spraying device for high-speed guardrail production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221016783U (en) |
-
2023
- 2023-09-27 CN CN202322635897.2U patent/CN221016783U/en active Active
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