CN210816032U - Double-sided layer gluing equipment for plastic floor substrate - Google Patents
Double-sided layer gluing equipment for plastic floor substrate Download PDFInfo
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- CN210816032U CN210816032U CN201921731039.5U CN201921731039U CN210816032U CN 210816032 U CN210816032 U CN 210816032U CN 201921731039 U CN201921731039 U CN 201921731039U CN 210816032 U CN210816032 U CN 210816032U
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Abstract
The utility model discloses a double-side-layer gluing device for plastic floor base materials, which comprises a box body, wherein a first motor is fixed on the side wall of the front side of the box body, an active material conveying roller is fixed on an output shaft of the first motor, a clamping mechanism is arranged above the active material conveying roller, a driven material conveying roller is rotatably connected on the clamping mechanism, a guide material conveying roller is rotatably connected in the middle of the box body, two clapboards are fixed in the middle of the box body, a polishing mechanism is arranged between the two clapboards, a glue storage box is fixed at the upper end of the box body, the glue storage box is communicated with a glue pump, the output end of the glue pump is communicated with a first glue conveying pipe, the lower end of the first glue conveying pipe is communicated with two second glue conveying pipes, the upper and lower opposite ends of the two second glue conveying pipes are communicated with an atomizing nozzle, a glue leveling mechanism is arranged at the rear end of the atomizing nozzle, high working efficiency, low equipment cost and good gluing quality.
Description
Technical Field
The utility model belongs to the technical field of the plastic floor processing equipment, concretely relates to two-sided layer rubber coating equipment of plastic floor substrate.
Background
Plastic flooring is another name for PVC flooring. The main component is polyvinyl chloride material, and the PVC floor can be made into two kinds, one kind is homogeneous and transparent, namely the pattern material from bottom to top is the same.
The other is a composite type, namely, the top layer is a pure PVC transparent layer, and a printing layer and a foaming layer are added below the pure PVC transparent layer. The PVC flooring is widely used in various aspects of homes and businesses due to its rich color and variety of colors.
Need scribble glue on the two sides of substrate during processing on the plastic floor, then paste stamp layer etc. toward the substrate by glue, because the substrate produces and to have a lot of pits on the surface, the granule etc. leads to the substrate not smooth, thereby lead to glue to paste the object insecure, so will polish the substrate and grind the mill paper, now polishing and the rubber coating of substrate divide two steps to go on mostly, distribute processing on two lathe, work efficiency is low, equipment cost is high, and the rubber coating generally is the single face rubber coating, increase the rubber coating process, work efficiency is low. Therefore, the polishing and double-sided glue coating equipment for processing the plastic floor substrate is provided to solve the problems in the prior art.
Disclosure of Invention
An object of the utility model is to provide a plastic floor substrate double-sided layer rubber coating equipment to the polishing that appears the substrate in solving above-mentioned background art is divided two steps with the rubber coating and is gone on mostly, distributes processing on two lathe, and work efficiency is low, and equipment cost is high, and the rubber coating generally is the single face rubber coating moreover, increases the rubber coating process, problem that work efficiency is low.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the double-side-layer gluing equipment for the plastic floor base material comprises a box body, wherein a first motor is fixed at the outer end of the side wall of the front side of the box body, a driving material conveying roller is fixed at the end part of an output shaft of the first motor, the driving material conveying roller is positioned in the box body and is rotationally connected with the side wall of the box body, clamping mechanisms are arranged on two sides above the driving material conveying roller, a driven material conveying roller is rotationally connected onto the clamping mechanisms, the plastic floor base material is clamped between the driven material conveying roller and the driving material conveying roller, a guide material conveying roller is rotationally connected to the middle of the box body, two partition plates are fixed in the middle of the box body, and a polishing mechanism is arranged;
the utility model discloses a glue storage box, including box, glue storage box, glue pump, first glue conveying pipe, atomizing nozzle, plastic floor substrate, glue pump, first glue conveying pipe, two glue conveying pipes, two atomizing nozzle, plastic floor substrate, glue storage box, glue pump's output intercommunication has first glue conveying pipe, the lower extreme intercommunication of first glue conveying pipe has two second glue conveying pipes, two glue conveying pipe extends to the inside of box, two glue conveying pipe's the even intercommunication of upper and lower relative one end has atomizing nozzle, and plastic floor substrate follows two pass between the second glue conveying pipe, atomizing nozzle's rear end is provided with the mechanism of floating of glue.
Preferably, clamping mechanism includes the mounting panel, the front side upper end at the box is fixed to the mounting panel, the downside in close contact with of mounting panel has the spring, the lower extreme in close contact with of spring has the tight piece of clamp, driven defeated material roller rotates with the tight piece of clamp to be connected, the both sides of pressing from both sides tight piece all are provided with the slider, the slider slides in the spout, the spout is seted up on the lateral wall of box.
Preferably, a limiting hole is formed in the middle of the upper end of the clamping block, the bottom end of the spring is located in the limiting hole, a limiting pin is sleeved on the end portion of the upper end of the spring, and the limiting pin is fixed at the lower end of the mounting plate.
Preferably, the polishing mechanism comprises a second motor, the second motor is fixed on the side wall of the outer side of the box body, a driving polishing roller is fixed at the end part of an output shaft of the second motor, a first gear is fixed at the end part, far away from the second motor, of the driving polishing roller, the upper end of the first gear is in meshing transmission connection with a second gear, the first gear and the second gear are located on the outer side of the box body, the second gear is fixed at the end of a driven polishing roller, the driving polishing roller and the driving and driven polishing roller are located in the box body and are in rotating connection with the side wall of the box body, the driving polishing roller and the driving and driven polishing roller are in close contact with the plastic floor base material, a first isolation cover is arranged on the outer sides of the first gear and the second gear, and the first isolation cover is fixed on the side wall of the box body.
Preferably, a dust collector is fixed in the middle of the top end of the box body, the input end of the dust collector is communicated with an air pipe, and the air pipe is communicated with the upper end and the lower end of a space formed between the two partition plates and the box body.
Preferably, the glue leveling mechanism comprises a third motor, the third motor is fixed on the outer side wall of the box body, a driving smoothing roller is fixed at the end part of an output shaft of the third motor, a first belt pulley is fixed at one end of the driving smoothing roller far away from the third motor, the rear side and the upper side of the first belt pulley are respectively connected with a second belt pulley and a third belt pulley in a transmission way through a transmission belt, the rear side of the third belt pulley is connected with a fourth belt pulley through a transmission belt, the first belt pulley, the second belt pulley, the third belt pulley and the fourth belt pulley are all positioned on the outer side of the box body, and the outside is provided with the second cage, the second cage is fixed on the lateral wall of box, second belt pulley, third belt pulley and fourth belt pulley all are fixed with driven smoothing roller, driven smoothing roller is located the inside of box and is connected with the lateral wall rotation of box.
Preferably, the front side of box is provided with the support frame, plastic floor substrate has been placed on the support frame, the bottom of support frame and the bottom of box all weld have the stainless steel base.
Preferably, an observation window is embedded in the side wall of the glue storage box.
The utility model discloses a technological effect and advantage: the utility model provides a two-sided layer rubber coating equipment of plastic floor substrate compares with prior art, has following advantage:
1. the utility model discloses a second motor drives initiative grinding roller rotatory, and initiative grinding roller drives driven grinding roller rotatory through gear drive, and then initiative grinding roller and driven grinding roller all polish the mill flat to the upper and lower two sides of substrate, then the dust catcher through the trachea suction box of the dust that produces of polishing, avoid polluting the substrate, realize automatic polishing, it is firm to improve follow-up part of pasting, and the rubber coating device sets up on a device, improves work efficiency, practices thrift equipment cost;
2. the utility model discloses a glue pump is carried first rubber transmission pipe to the glue of glue storage incasement, then first rubber transmission pipe carries the second rubber transmission pipe to glue, last glue is spouted to the upper and lower two sides of substrate from atomizer, then the third motor drives the roller of initiatively floating rotatory, the transmission that initiatively floating the roller and pass through the belt pulley drives driven floating the roller rotatory, and then paint evenly to the glue that coats on the substrate under the cooperation of initiatively floating the roller and driven floating the roller, the rubber coating is simultaneously done on the substrate two sides, and paint evenly automatically, improve rubber coating quality and work efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a first internal structure diagram of the case of the present invention;
FIG. 4 is an enlarged view of the point A of the present invention;
FIG. 5 is an enlarged view of the point B of the present invention;
fig. 6 is a second internal structure diagram of the case of the present invention.
Reference numerals: 1. a box body; 2. a first motor; 3. an active delivery roller; 4. a clamping mechanism; 401. mounting a plate; 402. a spring; 403. a clamping block; 404. a slider; 405. a chute; 406. a limiting hole; 407. a spacing pin; 5. a driven delivery roller; 6. a material conveying roller is guided; 7. a partition plate; 8. a polishing mechanism; 801. a second motor; 802. actively grinding the roller; 803. a first gear; 804. a second gear; 805. a driven grinding roller; 806. a vacuum cleaner; 807. an air tube; 808. a first cage; 9. a glue storage box; 10. a glue pump; 11. a first rubber delivery pipe; 12. a second rubber delivery pipe; 13. an atomizing spray head; 14. a glue leveling mechanism; 141. a third motor; 142. an active smoothing roller; 143. a first pulley; 144. a second pulley; 145. a third belt pulley; 146. a fourth belt pulley; 147. a driven smoothing roller; 148. a second cage; 15. a support frame; 16. a stainless steel base; 17. and (4) an observation window.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a double-sided layer rubber coating equipment of plastic floor substrate, including box 1, for the convenience of supporting the substrate that does not get into in box 1, be provided with support frame 15 in the front side of box 1, the substrate is placed on support frame 15, in order to improve the stability and the fastness of support frame 15 and box 1, stainless steel base 16 has all been welded at the bottom of support frame 15 and the bottom of box 1, the front side of box 1 is provided with the front side lateral wall outer end of box 1 and is fixed with first motor 2, the output shaft tip of first motor 2 is fixed with initiative conveying roller 3, initiative conveying roller 3 is located the inside of box 1 and is connected with the lateral wall rotation of box 1;
as shown in fig. 1, 3 and 4, clamping mechanisms 4 are arranged on two sides above a driving material delivery roller 3, each clamping mechanism 4 comprises a mounting plate 401, the mounting plate 401 is fixed on the upper end of the front side of a box body 1, a spring 402 is closely contacted with the lower side of the mounting plate 401, clamping blocks 403 are closely contacted with the lower end of the spring 402, a driven material delivery roller 5 is rotatably connected between the two clamping blocks 403, a plastic floor substrate is clamped between the driven material delivery roller 5 and the driving material delivery roller 3, a guide material delivery roller 6 is rotatably connected in the middle of the box body 1, sliding blocks 404 are arranged on two sides of each clamping block 403, each sliding block 404 slides in a sliding groove 405, and the sliding grooves 405 are arranged on the side;
as shown in fig. 3 and 4, in order to prevent the spring 402 from moving and popping out, a limiting hole 406 is formed in the middle of the upper end of the clamping block 403, the bottom end of the spring 402 is located in the limiting hole 406, a limiting pin 407 is sleeved on the end portion of the upper end of the spring 402, and the limiting pin 407 is fixed at the lower end of the mounting plate 401 to play a role in limiting and protecting;
as shown in fig. 2, 3 and 6, two partition plates 7 are fixed in the middle of the box body 1, a polishing mechanism 8 is arranged between the two partition plates 7, the polishing mechanism 8 includes a second motor 801, the second motor 801 is fixed on the outer side wall of the box body 1, an output shaft end of the second motor 801 is fixed with a driving polishing roller 802, one end of the driving polishing roller 802 far away from the second motor 801 is fixed with a first gear 803, an upper end of the first gear 803 is connected with a second gear 804 in a meshing transmission manner, the first gear 803 and the second gear 804 are located on the outer side of the box body 1, the second gear 804 is fixed on an end of a driven polishing roller 805, the driving polishing roller 802 and the driven polishing roller 805 are both located in the box body 1 and are rotatably connected with the side wall of the box body 1, a plastic floor base material is tightly contacted between the driving polishing roller 802 and the driven polishing roller 805, both the driving polishing roller 802 and the driven polishing roller 805 are steel wire polishing rollers, the polishing strength is improved, a first isolation cover 808 is arranged on the outer sides of the first gear 803 and the second gear 804, and the first isolation cover 808 is fixed on the side wall of the box body 1, so that the isolation and protection effects are achieved, and the upper surface and the lower surface of the base material are polished;
as shown in fig. 1, 3 and 6, a dust collector 806 is fixed in the middle of the top end of the box body 1, the input end of the dust collector 806 is communicated with an air pipe 807, the air pipe 807 is communicated with the upper end and the lower end of the space formed between the two partition plates 7 and the box body 1, and dust generated by polishing is discharged out of the box body 1, so that the cleaning effect is achieved, the cleanliness of the base material is further improved, and subsequent gluing is facilitated;
as shown in fig. 3, 5 and 6, a glue storage tank 9 is fixed at the upper end of the rear side of a box body 1, in order to observe the storage amount of glue in the glue storage tank 9 conveniently, an observation window 17 is embedded on the side wall of the glue storage tank 9, the bottom end of one side of the glue storage tank 9 is communicated with a glue pump 10, the glue pump 10 is fixed at the top end of the box body 1, the output end of the glue pump 10 is communicated with a first glue delivery pipe 11, the lower end of the first glue delivery pipe 11 is communicated with two second glue delivery pipes 12, the two second glue delivery pipes 12 extend into the box body 1, the upper and lower opposite ends of the two second glue delivery pipes 12 are uniformly communicated with atomizing nozzles 13, a plastic floor base material passes through the space between the two second glue delivery pipes 12, so that glue can be sprayed on the upper and lower surfaces of the base material;
as shown in fig. 1, 3 and 6, a glue leveling mechanism 14 is disposed at a rear end of the atomizer 13, the glue leveling mechanism 14 includes a third motor 141, the third motor 141 is fixed on an outer sidewall of the housing 1, an output shaft end of the third motor 141 is fixed with a driving leveling roller 142, one end of the driving leveling roller 142 away from the third motor 141 is fixed with a first belt pulley 143, a rear side and an upper side of the first belt pulley 143 are respectively connected with a second belt pulley 144 and a third belt pulley 145 through a transmission belt, a rear side of the third belt pulley 145 is connected with a fourth belt pulley 146 through a transmission belt, the first belt pulley 143, the second belt pulley 144, the third belt pulley 145 and the fourth belt pulley 146 are all located at an outer side of the housing 1, and a second isolation cover 148 is disposed outside, the second isolation cover 148 is fixed on a sidewall of the housing 1 to perform isolation and protection functions, the second belt pulley 144, the third belt pulley 141, and the, The third belt pulley 145 and the fourth belt pulley 146 are both fixed with a driven smoothing roller 147, the driven smoothing roller is located inside the box body 1 and is rotationally connected with the side wall of the box body 1, so that the glue spraying on the base material is uniform, the gluing quality is improved, and the subsequent parts can be conveniently pasted.
The working principle is as follows: firstly, a substrate is placed on a support frame 15, then the substrate is pushed forwards by hands until the front end of the substrate is inserted between a driving material conveying roller 3 and a driven material conveying roller 5, a first motor 2 drives the driving material conveying roller 3 to rotate clockwise, the driven material conveying roller 5 presses the substrate downwards under the action of the elastic force of a spring 402, and then the substrate moves forwards under the matching of the driven material conveying roller 5 and the driving material conveying roller 3;
when a substrate enters the box body 1, the second motor 801 drives the driving grinding roller 802 to rotate anticlockwise, so that the driving grinding roller 802 grinds the lower surface of the substrate, meanwhile, the driving grinding roller 802 drives the first gear 803 to rotate, so that the first gear 803 drives the second gear 804 meshed with the first gear to rotate clockwise, so that the second gear 804 drives the driven grinding roller 805 to rotate clockwise, and further, the driven grinding roller 805 grinds the upper surface of the substrate;
then the dust collector 806 works, the dust generated by polishing the middle of the box body 1 is sucked out of the box body 1 by the dust collector 806 through the air pipe 807 to play a role of cleaning and purifying, then the glue pump 10 conveys the glue in the glue storage box 9 to the first glue conveying pipe 11, the first glue conveying pipe 11 conveys the glue to the second glue conveying pipe 12, and finally the glue is sprayed to the upper surface and the lower surface of the base material by the atomizing spray nozzle 13;
then the third motor 141 drives the driving smoothing roller 142 to rotate, the driving smoothing roller 142 drives the first belt pulley 143 to rotate, the first belt pulley 143 drives the second belt pulley 144 and the third belt pulley 145 to rotate through the transmission belt, the third belt pulley 145 drives the fourth belt pulley 146 to rotate through the transmission belt, and then the second belt pulley 144, the third belt pulley 145 and the fourth belt pulley 146 drive the driven smoothing roller 147 to rotate, and then the glue sprayed on the substrate is smoothed under the cooperation of the driving smoothing roller 142 and the driven smoothing roller 147, so that the gluing quality is improved, then the substrate is conveyed out of the box 1 to perform the next step of work, and the whole process is finished;
finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. Two-sided layer rubber coating equipment of plastic floor substrate, including box (1), its characterized in that: a first motor (2) is fixed at the outer end of the side wall of the front side of the box body (1), a driving material conveying roller (3) is fixed at the end part of an output shaft of the first motor (2), the driving material conveying roller (3) is positioned inside the box body (1) and is rotatably connected with the side wall of the box body (1), clamping mechanisms (4) are arranged on two sides above the driving material conveying roller (3), a driven material conveying roller (5) is rotatably connected onto the clamping mechanisms (4), a plastic floor substrate is clamped between the driven material conveying roller (5) and the driving material conveying roller (3), a guiding material conveying roller (6) is rotatably connected to the middle of the box body (1), two partition plates (7) are fixed inside the middle of the box body (1), and a polishing mechanism (8) is arranged between the two partition plates (7);
the glue storage box (9) is fixed to the rear side upper end of the box body (1), one side bottom intercommunication of glue storage box (9) has glue pump (10), the top at box body (1) is fixed in glue pump (10), the output intercommunication of glue pump (10) has first glue delivery pipe (11), the lower extreme intercommunication of first glue delivery pipe (11) has two second glue delivery pipes (12), two the inside of second glue delivery pipe (12) extension to box body (1), two the even intercommunication of one end relative from top to bottom of second glue delivery pipe (12) has atomizer (13), and the plastic floor substrate is followed two pass between second glue delivery pipe (12), the rear end of atomizer (13) is provided with glue floating mechanism (14).
2. The apparatus for coating adhesive on both surfaces of a plastic floor substrate according to claim 1, wherein: clamping mechanism (4) include mounting panel (401), front side upper end at box (1) is fixed in mounting panel (401), the downside in close contact with of mounting panel (401) has spring (402), the lower extreme in close contact with of spring (402) has tight piece (403), driven defeated material roller (5) rotate with pressing from both sides tight piece (403) and be connected, the both sides of pressing from both sides tight piece (403) all are provided with slider (404), slider (404) slide in spout (405), spout (405) are seted up on the lateral wall of box (1).
3. The apparatus for coating adhesive on both surfaces of a plastic floor substrate according to claim 2, wherein: the middle of the upper end of the clamping block (403) is provided with a limiting hole (406), the bottom end of the spring (402) is located in the limiting hole (406), the end part of the upper end of the spring (402) is sleeved with a limiting pin (407), and the limiting pin (407) is fixed at the lower end of the mounting plate (401).
4. The apparatus for coating adhesive on both surfaces of a plastic floor substrate according to claim 1, wherein: the grinding mechanism (8) comprises a second motor (801), the second motor (801) is fixed on the outer side wall of the box body (1), an active grinding roller (802) is fixed at the end part of an output shaft of the second motor (801), a first gear (803) is fixed at the end part, far away from the second motor (801), of the active grinding roller (802), the upper end of the first gear (803) is connected with a second gear (804) in a meshing transmission manner, the first gear (803) and the second gear (804) are located on the outer side of the box body (1), the second gear (804) is fixed at the end of a driven grinding roller (805), the active grinding roller (802) and the main driven grinding roller (805) are both located in the box body (1) and are rotatably connected with the side wall of the box body (1), and the active grinding roller (802) and the main driven grinding roller (805) are in close contact with the plastic floor, and a first isolation cover (808) is arranged on the outer sides of the first gear (803) and the second gear (804), and the first isolation cover (808) is fixed on the side wall of the box body (1).
5. The apparatus for coating adhesive on both surfaces of a plastic floor substrate according to claim 4, wherein: a dust collector (806) is fixed in the middle of the top end of the box body (1), the input end of the dust collector (806) is communicated with an air pipe (807), and the air pipe (807) is communicated with the upper end and the lower end of a space formed between the two partition plates (7) and the box body (1).
6. The apparatus for coating adhesive on both surfaces of a plastic floor substrate according to claim 1, wherein: the glue leveling mechanism (14) comprises a third motor (141), the third motor (141) is fixed on the outer side wall of the box body (1), a driving leveling roller (142) is fixed at the end part of an output shaft of the third motor (141), one end, far away from the third motor (141), of the driving leveling roller (142) is fixed with a first belt pulley (143), the rear side and the upper side of the first belt pulley (143) are respectively in transmission connection with a second belt pulley (144) and a third belt pulley (145) through a transmission belt, the rear side of the third belt pulley (145) is connected with a fourth belt pulley (146) through a transmission belt, the first belt pulley (143), the second belt pulley (144), the third belt pulley (145) and the fourth belt pulley (146) are all located on the outer side of the box body (1), a second isolation cover (148) is arranged outside, and the second isolation cover (148) is fixed on the side wall of the box body (1), and the second belt pulley (144), the third belt pulley (145) and the fourth belt pulley (146) are all fixed with driven troweling rollers (147), and the driven troweling rollers are positioned inside the box body (1) and are rotationally connected with the side wall of the box body (1).
7. The apparatus for coating adhesive on both surfaces of a plastic floor substrate according to claim 1, wherein: the front side of box (1) is provided with support frame (15), plastic floor substrate has been placed on support frame (15), stainless steel base (16) have all been welded to the bottom of support frame (15) and the bottom of box (1).
8. The apparatus for coating adhesive on both surfaces of a plastic floor substrate according to claim 1, wherein: an observation window (17) is embedded in the side wall of the glue storage box (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921731039.5U CN210816032U (en) | 2019-10-16 | 2019-10-16 | Double-sided layer gluing equipment for plastic floor substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921731039.5U CN210816032U (en) | 2019-10-16 | 2019-10-16 | Double-sided layer gluing equipment for plastic floor substrate |
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| CN210816032U true CN210816032U (en) | 2020-06-23 |
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| CN201921731039.5U Active CN210816032U (en) | 2019-10-16 | 2019-10-16 | Double-sided layer gluing equipment for plastic floor substrate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112427224A (en) * | 2020-11-17 | 2021-03-02 | 东台艺新科技有限公司 | Saw blade machining rust prevention equipment |
| CN112439650A (en) * | 2020-11-16 | 2021-03-05 | 姚宏揆 | A panel bonding rubber coating mechanism for building decoration usefulness |
-
2019
- 2019-10-16 CN CN201921731039.5U patent/CN210816032U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439650A (en) * | 2020-11-16 | 2021-03-05 | 姚宏揆 | A panel bonding rubber coating mechanism for building decoration usefulness |
| CN112439650B (en) * | 2020-11-16 | 2021-09-21 | 刘春燕 | A panel bonding rubber coating mechanism for building decoration usefulness |
| CN112427224A (en) * | 2020-11-17 | 2021-03-02 | 东台艺新科技有限公司 | Saw blade machining rust prevention equipment |
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