CN216578484U - Heat-preservation disassembly-free integrated plate protection mortar forming device - Google Patents
Heat-preservation disassembly-free integrated plate protection mortar forming device Download PDFInfo
- Publication number
- CN216578484U CN216578484U CN202122664464.0U CN202122664464U CN216578484U CN 216578484 U CN216578484 U CN 216578484U CN 202122664464 U CN202122664464 U CN 202122664464U CN 216578484 U CN216578484 U CN 216578484U
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- scraping
- mortar
- plate
- forming device
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 88
- 238000004321 preservation Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 66
- 238000007790 scraping Methods 0.000 claims abstract description 62
- 238000003860 storage Methods 0.000 claims abstract description 33
- 238000003892 spreading Methods 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims description 29
- 238000003756 stirring Methods 0.000 claims description 27
- 230000001681 protective effect Effects 0.000 claims description 18
- 238000007493 shaping process Methods 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012792 core layer Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a thermal insulation disassembly-free integrated plate protection mortar forming device, relates to the technical field of equipment for producing thermal insulation disassembly-free integrated plates, and aims to solve the technical problem of poor forming effect of protection mortar; the heat-preservation disassembly-free integrated plate protection mortar forming device comprises a support, a material plate conveying part, a mortar storage part, a forming assembly and a scraping plate, wherein the forming assembly comprises a plurality of forming rollers, the forming rollers are positioned below the mortar storage part along the conveying direction of the material plate and are sequentially arranged at intervals, and gaps are respectively arranged between each forming roller and the material plate conveying part; the scraping plate is arranged on the bracket and corresponds to each forming roller, and comprises a scraping section and a spreading section; one end of the material scraping section is abutted with the lower side and the rear side of the forming roller, the other end of the material scraping section is inclined backwards and extends upwards, one end of the material spreading section is abutted with the material scraping section, and the other end of the material spreading section is inclined backwards and extends downwards. The heat-preservation disassembly-free integrated plate protection mortar forming device can enable protection mortar to have a good forming effect.
Description
Technical Field
The utility model belongs to the technical field of heat-preservation disassembly-free integrated plate forming equipment, and particularly relates to a heat-preservation disassembly-free integrated plate protection mortar forming device.
Background
The heat-preservation disassembly-free integrated plate can well meet the requirements of building energy-saving reconstruction in some areas, and improves the living comfort and the indoor thermal stability of residents.
The heat-preservation disassembly-free integrated plate generally comprises a core layer, a protective mortar layer and a protective mortar layer, wherein the protective mortar layer and the protective mortar layer are covered on the outer side of the core layer; at present, the heat-preservation disassembly-free integrated plate is produced through a production line, a core plate is conveyed to protective mortar coating equipment by conveying equipment for coating the protective mortar, and then the core plate is conveyed to the protective mortar coating equipment for coating the protective mortar; at present, with protection mortar coating on protection mortar, place the mortar storage box in the top of flitch generally, when the flitch passes through, the mortar falls on the flitch in the storage box, because protection mortar is usually thinner, generally by pressing the mortar on the protection mortar of flitch at flitch top pivoted roller.
However, when the material plate passes through the roll shaft, mortar may be adhered to the roll shaft, so that the protective mortar on the material plate may have a phenomenon of partial material shortage, and the protective mortar has a poor molding effect.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a thermal insulation disassembly-free integrated plate protection mortar forming device, which can improve the forming effect of protection mortar.
The technical scheme of the utility model is as follows:
the utility model provides a heat preservation is exempted from to tear open integration board protection mortar forming device, includes the support, locates flitch conveying part and mortar storage portion on the support, mortar storage portion has storage chamber and discharge gate, the discharge gate is located the top on flitch removal route still includes:
the molding assembly comprises a plurality of molding rollers, the molding rollers are positioned at the downstream of the mortar storage part along the conveying direction of the flitch conveying part to the flitch and are sequentially arranged at intervals, and gaps are respectively arranged between the molding rollers and the flitch conveying part;
the scraping plate is arranged corresponding to at least one of the forming rollers and arranged on the bracket, and comprises a scraping section and a spreading section; the one end of scraping the material section with the downside of shaping roller, and the shaping roller is followed flitch direction of delivery's rear side butt, the other end of scraping the material section is followed the direction of delivery slope of flitch upwards extends, the one end of material spreading section with scrape the material section and meet, the other end is followed the direction of delivery slope downwardly extending of flitch.
Further, the scraping plate is rotatably arranged on the bracket;
and an elastic part is arranged between the scraping plate and the support, the elastic part applies elastic force to the scraping plate, and the elastic force pushes the scraping section to rotate in the direction of abutting against the forming roller.
Furthermore, a rotating shaft is arranged on the scraping plate, a rotating shaft hole is arranged on the support, and the rotating shaft is rotatably arranged in the rotating shaft hole in a penetrating manner;
the elastic piece is a torsion spring sleeved on the rotating shaft.
Furthermore, a mounting plate is arranged on the support and is positioned on one side of the scraping section, which is far away from the material spreading section;
the elastic part is a tension spring connected between the mounting plate and the scraping section.
Furthermore, an adjusting component is arranged between each forming roller and the support, and the adjusting component is provided with an adjusting piece which is connected with the forming rollers and can be arranged on the support in a lifting manner.
Furthermore, the support is provided with two slide blocks in a lifting manner, and two ends of a rotating shaft of the forming roller are respectively rotatably arranged on the slide blocks;
the adjusting assembly comprises an adjusting shaft and two worm gears, the adjusting shaft is rotatably arranged on the bracket and comprises two worm sections which are arranged at intervals; the two worm wheels are respectively rotatably arranged on the bracket and meshed with the corresponding worm sections;
the worm wheel is provided with a threaded hole, the adjusting piece is a screw rod, and the screw rod is in threaded connection with the threaded hole and is rotatably connected with the sliding block.
Furthermore, the device also comprises a hand wheel, wherein the hand wheel is arranged at one end of the adjusting shaft.
Further, still include the stirring subassembly, the stirring subassembly includes power device and stirring piece, the stirring piece is located the storage intracavity, with power device connects to can accept power device orders about and rotates.
Further, the mortar storage unit comprises a box body; the box body comprises a square section positioned above and an arc section positioned below and connected with the square section.
Further, the stirring piece comprises a central shaft and stirring blades arranged on the central shaft; the axis of the arc-shaped section is coaxial with the axis of the central shaft.
The working principle and the beneficial effects of the utility model are as follows:
according to the heat-preservation disassembly-free integrated plate protection mortar forming device provided by the utility model, the scraping plate is arranged and comprises the scraping section and the spreading section; one end of the scraping section is abutted against the lower side of the forming roller and the rear side of the forming roller along the conveying direction of the material plate, and the other end of the scraping section extends upwards along the conveying direction of the material plate in an inclined mode, so that the scraping plate can better scrape off the adhesive materials on the forming roller; and one end of the material spreading section is connected with the material scraping section, and the other end of the material spreading section extends downwards along the conveying direction of the material plate in an inclined mode, so that the sticky materials scraped by the material scraping section can be spread by the material spreading section, and the forming effect of the protective mortar on the material plate can be improved.
Drawings
The utility model is described in further detail below with reference to the drawings and the detailed description.
FIG. 1 is an isometric view of a thermal insulation disassembly-free integrated plate protection mortar forming device provided by the embodiment of the utility model;
FIG. 2 is a front view of a molding assembly of an embodiment of the present invention mounted on a support;
fig. 3 is a sectional view of a case provided in an embodiment of the present invention.
In the figure: 100-a scaffold; 200-material plate conveying part, 300-mortar storage part, 310-box body, 311-square section, 312-arc section, 320-power device, 400-forming component, 410-forming roller, 420-adjusting component, 421-screw, 422-slide block, 423-adjusting shaft, 4231-worm section, 424-worm wheel, 500-material scraping plate, 510-material scraping section, 520-material spreading section and 530-rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall relate to the scope of protection of the present invention.
The present embodiment provides a thermal insulation and disassembly-free integrated plate protection mortar forming device, which is shown in fig. 1 and fig. 2, and includes a bracket 100, a material plate conveying portion 200 and a mortar storage portion 300, which are disposed on the bracket 100, wherein the mortar storage portion 300 has a storage cavity and a discharge hole, and the discharge hole is located above a moving path of the material plate; the molding device further comprises a molding assembly 400 and a scraper plate 500, wherein the molding assembly 400 comprises a plurality of molding rollers 410, each molding roller 410 is positioned below the mortar storage part 300 along the conveying direction of the material plate by the material plate conveying part 200 and is sequentially arranged at intervals, and gaps are respectively arranged between each molding roller 410 and the material plate conveying part 200. The scraping plate 500 is at least arranged corresponding to one of the forming rollers 410, and the scraping plate 500 is arranged on the bracket 100 and comprises a scraping section 510 and a spreading section 520; one end of the scraping section 510 abuts against the lower side of the forming roller 410 and the rear side of the forming roller 410 along the material plate conveying direction, the other end of the scraping section 510 extends obliquely upward along the material plate conveying direction, one end of the spreading section 520 is connected with the scraping section 510, and the other end extends obliquely downward along the material plate conveying direction.
That is, in the molding apparatus of the present embodiment, the flitch is conveyed by the flitch conveying part 200 so as to move in the X direction in fig. 1, the mortar storage part 300 is disposed on the moving path of the flitch and above the flitch, when the flitch passes through the mortar storage part 300, the protection mortar stored in the mortar storage part 300 can fall on the flitch, after the protection mortar falls on the flitch, the flitch will pass through the gap between the molding roller 410 and the flitch conveying part 200 along with the continuous conveyance of the flitch, and the molding roller 410 will press and spread the protection mortar on the flitch by the rotation of the molding roller 410; and finishing the molding of the protective mortar on the material plate.
However, when the molding roller 410 presses the mortar on the material plate and the mortar is discharged from the material plate, the protective mortar may stick to the surface of the molding roller 410, which may cause a material shortage phenomenon at a position on the material plate and affect the molding effect of the material plate. In this embodiment, by providing the scraper plate 500, since one end of the scraper section 510 abuts against the lower side of the forming roller 410 and the rear side of the forming roller 410 in the conveying direction of the scraper plate, when the forming roller 410 rotates out of the scraper plate, if mortar adheres to the surface of the forming roller 410, the mortar can be scraped by the scraper section 510, and the scraper section 510 is inclined upward and extended, so that the scraping effect of the scraper section 510 on the mortar can be improved.
On this basis, this embodiment is still through setting up the stand material section 520 that meets with scraping material section 510, because the downward sloping of stand material section 520 extends, scrapes off the mortar back from shaping roller 410 when scraping material section 510, and the mortar can also fill the scarce material part on the flitch under the scraping of stand material section 520 to can improve the shaping effect of flitch.
Referring to fig. 1, the specific structures of the bracket 100 and the flitch conveying portion 200 can refer to the prior art, and the structure of the bracket is not described in detail in this embodiment, wherein the flitch conveying portion 200 includes a conveying roller and a conveying belt, and after the flitch is placed on the conveying belt, the conveying belt can drive the flitch to move.
The present embodiment provides a mortar storing part 300 with a better structure, and referring to fig. 1 and fig. 3, the mortar storing part 300 specifically includes a box 310, and the box 310 includes a square section 311 located above and an arc section 312 located below, and the arc section 312 is connected to the square section 311. Or, the section of the box body 310 of the embodiment, which is perpendicular to the length direction of the box body, comprises an "Contraband" section which is positioned above and has a downward opening, and a truncated circular section which is connected with the "Contraband" section, and two ends of the truncated circular section are connected with two ends of the "Contraband" section.
By providing the box body 310 in this shape, on the one hand, by providing the square section 311 located above, the volume of the storage chamber can be increased compared to the case body 310 which is integrally provided in a circular shape; on the other hand, compared with the case 310 which is integrally arranged in a square shape, the present embodiment can facilitate the following stirring part by arranging the arc-shaped section 312, and prevent the protection mortar from being condensed in the case 310 due to the difficulty in stirring the part.
In some embodiments, the housing 310 may be configured to be round, square, or other shape.
In order to make the protection mortar smoothly fall from the mortar storage unit, referring to fig. 1, the molding apparatus of this embodiment further includes a stirring assembly, the stirring assembly includes a power device 320 and a stirring member, wherein the stirring member is disposed in the storage cavity and connected to the power device 320 so as to be driven by the power device 320 to rotate.
That is, in this embodiment, a stirring member is disposed in the mortar storage unit, and the stirring member can be driven by the power device 320 to rotate in the mortar storage unit so as to stir the protective mortar in the mortar storage unit, thereby preventing the protective mortar from coagulating, so that the protective mortar can smoothly fall on the material plate from the inside of the mortar storage unit.
In this embodiment, referring to fig. 1, the power device 320 is specifically a motor, and the stirring member specifically includes a central shaft and a stirring blade disposed on the central shaft; and the axis of the central shaft is coaxial with the axis of the arc-shaped section 312, wherein the motor shaft of the motor is connected with the central shaft, so that the motor shaft of the motor can drive the central shaft and the stirring blades thereon to rotate, thereby stirring the heat-preservation mortar in the box body 310. It should be noted that the motor and the stirring blade may be any available product, and the connection structure therebetween may also refer to the existing mature technology, and the specific structure of the stirring member is not shown in the drawings of this embodiment since it does not affect understanding.
In some embodiments, the power device 320 may further include a speed reducer connected to the motor; the power device 320 may also be a hydraulic motor or a pneumatic motor, which has the same principle as the solution of the present embodiment and is not described herein again.
In this embodiment, each forming roller 410 of this embodiment is located downstream of the mortar storage unit along the conveying direction of the material plate, and an adjusting component 420 is respectively arranged between each forming roller 410 and the bracket 100, and the adjusting component 420 has an adjusting piece which is connected with the forming roller 410 and is arranged on the bracket 100 in a lifting manner.
That is, in the molding apparatus of the present embodiment, the clearance between the molding roller 410 and the material plate conveying portion 200, that is, the distance between the material plate and the molding roller 410 when the material plate passes through the molding roller 410, that is, the thickness of the protective mortar on the material plate can be adjusted by adjusting the elevation of the adjusting member. By arranging the adjusting assembly 420, the height of the forming roller 410 can be adjusted, so that the forming device can conveniently produce flitches with different thicknesses.
In a specific structure, referring to fig. 2, the support 100 of this embodiment is provided with two sliding blocks 422 capable of lifting, and two ends of the rotating shaft of the forming roller 410 are respectively rotatably provided on the sliding blocks 422;
the adjusting assembly 420 includes an adjusting shaft 423 and two worm wheels 424, the adjusting shaft 423 is rotatably disposed on the bracket 100, and the adjusting shaft 423 includes two spaced worm segments 4231; the two worm gears 424 are respectively rotatably arranged on the bracket 100 and are meshed with the corresponding worm sections 4231; the worm wheel 424 is provided with a threaded hole, and the aforementioned adjusting member is specifically a screw 421, and the thread is screwed with the threaded hole of the ear on the worm wheel 424 and is rotatably connected with the sliding block 422.
That is, in the present embodiment, two worm segments 4231 are provided on the adjusting shaft 423, worm wheels 424 are provided on the bracket 100 corresponding to the two sliders 422, and the two worm wheels 424 are respectively engaged with the corresponding worm segments 4231; a screw hole is provided through the worm wheel 424 in the axial direction of the worm wheel 424, and the screw 421 is screwed to the screw hole; and one end of the bottom of the screw 421 is rotatably connected with the slider 422. The bottom of the screw 421 is rotatably connected to the slider 422, which means that the screw 421 can rotate on the slider 422 but does not axially move relative to the slider 422.
Thus, when the adjusting shaft 423 rotates, the worm segment 4231 rotates to drive the worm wheel 424 to rotate, the worm wheel 424 rotates to drive the screw 421 to rotate, and the screw 421 moves axially at the same time, so as to drive the sliding block 422 and the forming roller 410 to move up and down.
In order to rotate the adjusting shaft 423 conveniently, in the embodiment, referring to fig. 1, a hand wheel is provided at one end of the adjusting shaft 423 to rotate the adjusting shaft 423 through the hand wheel.
In some embodiments, the adjusting member may be a rack, and a gear engaged with the rack may be sleeved on the adjusting shaft 423, so that the rotation of the adjusting shaft 423 drives the gear to rotate, and drives the corresponding rack and the forming roller 410 to ascend or descend.
In this embodiment, the scraping plate 500 is rotatably disposed on the bracket 100, and an elastic member is disposed between the scraping plate 500 and the bracket 100, and the elastic member applies an elastic force to the scraping plate 500, so that the elastic force pushes the scraping section 510 to rotate in a direction of abutting against the forming roller 410.
That is to say, in this embodiment, the elastic member capable of pushing the scraping section 510 to rotate is disposed on the bracket 100, and the elastic member can drive the scraping section 510 to abut against the forming roller 410, so that the scraping section 510 can better scrape off the adhesive on the forming roller 410, and the scraping effect of the scraping section 510 on the forming roller 410 due to abrasion or deformation is avoided.
In this embodiment, referring to fig. 1 and fig. 2, a rotating shaft 530 is disposed on the scraping plate 500, a rotating shaft hole is disposed on the bracket 100, and the rotating shaft 530 is rotatably disposed in the rotating shaft hole; the elastic member is a torsion spring sleeved on the rotating shaft 530, one end of the torsion spring abuts against the scraping section 510, and the other end of the torsion spring abuts against the bracket 100, so that the scraping plate 500 can be driven to rotate. Further, since the scraping section 510 is rotated in the direction of abutting against the forming roller 410 and the spreading section 520 is also rotated in the direction of the material plate, the spreading section 520 can be provided with a good use effect, and it should be noted that the torsion spring is not shown in the drawings of the present embodiment because it does not affect understanding.
In some embodiments, a mounting plate may also be provided on the support 100, and the mounting plate is located on a side of the scraper section 510 facing away from the spreader section 520; the elastic member is specifically a tension spring connected between the mounting plate and the scraping section 510, so that the tension spring can pull the scraping section 510 in a direction of abutting the scraping section 510 with the forming roller 410, and it should be noted that the tension spring is not shown in the drawings of the present embodiment since it does not affect understanding.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a heat preservation exempts from to tear open integration board protection mortar forming device, includes the support, locates flitch conveying part and mortar storage portion on the support, mortar storage portion has storage chamber and discharge gate, the discharge gate is located the top on flitch removal route, its characterized in that still includes:
the molding assembly comprises a plurality of molding rollers, the molding rollers are positioned at the downstream of the mortar storage part along the conveying direction of the material plate conveying part to the material plate and are sequentially arranged at intervals, and gaps are respectively arranged between the molding rollers and the material plate conveying part;
the scraping plate is arranged corresponding to at least one of the forming rollers and arranged on the bracket, and comprises a scraping section and a spreading section; the one end of scraping the material section with the downside of shaping roller, and the shaping roller is followed flitch direction of delivery's rear side butt, the other end of scraping the material section is followed the direction of delivery slope of flitch upwards extends, the one end of material spreading section with scrape the material section and meet, the other end is followed the direction of delivery slope downwardly extending of flitch.
2. The thermal insulation disassembly-free integrated plate protective mortar forming device as claimed in claim 1, wherein the scraper plate is rotatably arranged on the bracket;
and an elastic part is arranged between the scraping plate and the support, the elastic part applies elastic force to the scraping plate, and the elastic force pushes the scraping section to rotate in the direction of abutting against the forming roller.
3. The thermal insulation disassembly-free integrated plate protection mortar forming device as claimed in claim 2, wherein a rotating shaft is arranged on the scraping plate, a rotating shaft hole is arranged on the support, and the rotating shaft is rotatably arranged in the rotating shaft hole in a penetrating manner;
the elastic piece is a torsion spring sleeved on the rotating shaft.
4. The thermal insulation disassembly-free integrated plate protection mortar forming device as claimed in claim 2, wherein a mounting plate is arranged on the support, and the mounting plate is positioned on one side of the scraping section, which is far away from the material spreading section;
the elastic part is a tension spring connected between the mounting plate and the scraping section.
5. The thermal insulation disassembly-free integrated plate protection mortar forming device as claimed in any one of claims 1 to 4, wherein an adjusting component is arranged between each forming roller and the support, and the adjusting component is provided with an adjusting piece which is connected with the forming roller and can be arranged on the support in a lifting mode.
6. The thermal insulation disassembly-free integrated plate protection mortar forming device according to claim 5, wherein two sliding blocks are arranged on the support in a lifting manner, and two ends of a rotating shaft of the forming roller are respectively rotatably arranged on the sliding blocks;
the adjusting component comprises an adjusting shaft and two worm gears, the adjusting shaft is rotatably arranged on the bracket and comprises two worm sections which are arranged at intervals; the two worm wheels are respectively rotatably arranged on the bracket and meshed with the corresponding worm sections;
the worm wheel is provided with a threaded hole, the adjusting piece is a screw rod, and the screw rod is in threaded connection with the threaded hole and is rotatably connected with the sliding block.
7. The thermal insulation disassembly-free integrated plate protection mortar forming device according to claim 6, further comprising a hand wheel, wherein the hand wheel is arranged on one end of the adjusting shaft.
8. The thermal insulation disassembly-free integrated plate protection mortar forming device according to any one of claims 1 to 4, further comprising a stirring assembly, wherein the stirring assembly comprises a power device and a stirring piece, and the stirring piece is arranged in the storage cavity, connected with the power device and capable of being driven by the power device to rotate.
9. The thermal insulation disassembly-free integrated plate protection mortar forming device as claimed in claim 8, further comprising a mortar storage unit, wherein the mortar storage unit comprises a box body; the box body comprises a square section positioned above and an arc section positioned below and connected with the square section.
10. The thermal insulation disassembly-free integrated plate protection mortar forming device as claimed in claim 9, wherein the stirring piece comprises a central shaft and stirring blades arranged on the central shaft; the axis of the arc-shaped section is coaxial with the axis of the central shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122664464.0U CN216578484U (en) | 2021-11-01 | 2021-11-01 | Heat-preservation disassembly-free integrated plate protection mortar forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122664464.0U CN216578484U (en) | 2021-11-01 | 2021-11-01 | Heat-preservation disassembly-free integrated plate protection mortar forming device |
Publications (1)
Publication Number | Publication Date |
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CN216578484U true CN216578484U (en) | 2022-05-24 |
Family
ID=81643745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202122664464.0U Expired - Fee Related CN216578484U (en) | 2021-11-01 | 2021-11-01 | Heat-preservation disassembly-free integrated plate protection mortar forming device |
Country Status (1)
Country | Link |
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CN (1) | CN216578484U (en) |
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2021
- 2021-11-01 CN CN202122664464.0U patent/CN216578484U/en not_active Expired - Fee Related
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220524 |
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