CN212499349U - Calcium-plastic honeycomb plate continuous processing and forming equipment - Google Patents
Calcium-plastic honeycomb plate continuous processing and forming equipment Download PDFInfo
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- CN212499349U CN212499349U CN202020850419.7U CN202020850419U CN212499349U CN 212499349 U CN212499349 U CN 212499349U CN 202020850419 U CN202020850419 U CN 202020850419U CN 212499349 U CN212499349 U CN 212499349U
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Abstract
The utility model relates to a honeycomb panel former field specifically relates to a calcium moulds honeycomb panel continuous processing former, including blowing roller set, first guide roller set, second guide roller set, third guide roller set, heating blister roller set, compound roller set and material collecting device, blowing roller set is coiled and is installed three-layer calcium and moulds the sheet, heating blister roller set includes blister roll and negative pressure suction device, and the surface of blister roll is equipped with a plurality of honeycombed recesses, communicates through the air guide recess between the adjacent honeycombed recess, and lies in the honeycombed recess and the outside intercommunication of blister roll both sides outermost end. The utility model discloses sheet is moulded to fashioned calcium of plastics-absorbing roller set blister through heating, its fashioned honeycomb groove have with the air guide groove of external intercommunication for the shaping can be cooled off fast to the honeycomb panel is moulded to calcium, avoids surperficial pit or tympanic bulla.
Description
Technical Field
The utility model relates to a honeycomb panel former field specifically is to relate to a continuous processing former of calcium plastic honeycomb panel.
Background
The application of the once-formed honeycomb-shaped plastic board has been in history for more than ten years abroad, and the material has the characteristics of sound insulation, heat preservation, moisture resistance, cold resistance, heat resistance, light weight, high strength, impact resistance, ageing resistance, no water absorption, corrosion resistance, mildew resistance, shock absorption and shock absorption, and is a nontoxic, tasteless and harmless environment-friendly product. In recent years, such products have gradually come into the domestic market. Some domestic manufacturers are also constantly researching and developing the product, the process adopts a method divided into secondary processing, the problem of one-step forming honeycomb cannot be solved, the cost is quite high, and therefore, the wide application of the plastic plate is very difficult.
A method for molding a plastic plate refers to a process method for molding a polypropylene-ethylene honeycomb plate in one step disclosed in Chinese patent CN200610013581.8, and comprises the following steps: preparing materials: 73-79% of modified polypropylene ethylene, 6-10% of high-pressure polyethylene, 7-10% of gypsum powder, 0.01% of dispersant and 0.01-0.1% of anti-aging agent; plasticating, granulating and drying the prepared raw materials; extruding simultaneously by adopting two groups of single screw machines; forming honeycomb by plastic sucking and shaping by using a plastic sucking process; b, pasting and extruding, namely pasting and smelting the extruded sheet and the honeycomb into a honeycomb plate; vacuum shaping, namely shaping the extruded honeycomb plate by using a vacuum technology; heating the honeycomb plate subjected to vacuum forming for the second time; cooling the secondarily heated honeycomb plate by using cold water for cooling and shaping; cooling by using a fan, and carrying out the last shaping treatment on the honeycomb plate before the honeycomb plate is off-line; and (5) forming the product, and inspecting and warehousing the product.
According to the forming equipment for producing the plastic plate by the method, referring to the equipment for continuously extruding and vacuum forming the honeycomb plate and the production process disclosed by Chinese patent CN201210164123.X, the equipment comprises an extruding device, a forming roller and a sheet compounding device, wherein the forming roller comprises a core shaft and a forming roller sleeve fixedly sleeved on the core shaft; the outer surface of the forming roller sleeve is formed into a hexagonal honeycomb cavity; the forming roller sleeve is axially provided with a vacuum gas path main channel which is communicated with a vacuum gas path branch channel arranged on the forming roller sleeve; the other side of the vacuum gas circuit branch flow passage is communicated with the hexagonal honeycomb cavity.
The apparatus disclosed in this patent continuously extrudes a thermoplastic material through an extrusion die to form a hexagonal honeycomb structure layer in a continuous vacuum forming manner, and in the continuous forming process, the upper surface, the lower surface or the single surface of the honeycomb structure layer are compounded on line to form a sheet. The device disclosed in this patent has the obvious disadvantage that since the thermal expansion coefficient of air is different from that of plastic material, the thermal expansion coefficient of air is much larger than that of plastic material, and bubbles are easily generated during cooling process, so that the surface of the honeycomb panel is uneven.
The method for solving the defects in the prior art refers to an integrated composite honeycomb plate forming device disclosed in Chinese patent CN201521085397.5, and the integrated composite honeycomb plate forming device comprises an extruder head group and a traction roller arranged at the rear end of the extruder head group, wherein a cooling setting die is arranged between the extruder heads and the traction roller, the extruder head group is provided with two extruder heads which are respectively a first extruder head for forming an upper plate material and a second extruder head for forming a lower plate material and a middle plate material, and the first extruder head and the second extruder head extrude the upper plate material, the lower plate material and the middle plate material to be cooled and set through the cooling setting die. The former that this patent discloses cools off the design through the mode of distributing stepwise cooling and guarantees that panel surface is level and smooth, because panel needs slow cooling, leads to panel refrigerated speed very slow, causes the productivity of panel extremely low.
Therefore, a novel calcium-plastic honeycomb plate continuous processing and forming device is needed to solve the problem of low productivity of the existing forming device.
Disclosure of Invention
The utility model aims to solve the technical problem that a continuous processing former of honeycomb panel is moulded to calcium is provided, and among this technical scheme solved prior art, when the honeycomb panel is moulded to calcium cools off fast, the inside gaseous violent shrink of its honeycomb cavity causes pit or the tympanic bulla problem to appear on the panel surface.
In order to solve the technical problem, the utility model provides a following technical scheme:
a calcium-plastic cellular board continuous processing forming device is applied to processing three layers of calcium-plastic sheets into calcium-plastic cellular boards with cellular cavities and comprises a discharging roller set, a first guide roller set, a second guide roller set, a third guide roller set, a heating plastic-absorbing roller set, a composite roller set and a material receiving device, wherein the discharging roller set is wound with the three layers of calcium-plastic sheets, the first layer of calcium-plastic sheets are transmitted to the material receiving device from the discharging roller set through the first guide roller set and the composite roller set, the second layer of calcium-plastic sheets are transmitted to the material receiving device from the discharging roller set through the second guide roller set and the heating plastic-absorbing roller set, the third layer of calcium-plastic sheets are transmitted to the material receiving device from the discharging roller set through the third guide roller set and the composite roller set, the second layer of calcium-plastic sheets are positioned between the first layer of calcium-plastic sheets and the third layer of calcium-plastic-absorbing rollers after being heated and formed through the heating plastic-absorbing roller set, and the, the surface of the plastic suction roller is provided with a plurality of honeycomb-shaped grooves, adjacent honeycomb-shaped grooves are communicated through air guide grooves, and the honeycomb-shaped grooves positioned at the outermost ends of the two sides of the plastic suction roller are communicated with the outside; the inside of the plastic suction roller is provided with a suction air channel communicated with a negative pressure suction device, and the bottom of the honeycombed groove is provided with a through hole communicated with the suction air channel.
Preferably, the discharging roller set comprises a first discharging roller, a second discharging roller and a third discharging roller, the first layer of calcium plastic sheet is wound on the first discharging roller, the second layer of calcium plastic sheet is wound on the second discharging roller, and the third layer of calcium plastic sheet is wound on the third discharging roller; the first guide roller group comprises a first tensioning roller and a first guide roller, the second guide roller group comprises a second guide roller and a second tensioning roller, and the third guide roller group comprises a third tensioning roller and a third guide roller; the composite roller set comprises an upper sheet composite roller and a lower sheet composite roller.
Preferably, the blister roll is provided with a plurality of suction air channels penetrating through two ends of the blister roll, and the suction air channels are uniformly distributed in a circumferential manner parallel to the axis of the blister roll; the two sides of the suction plastic roller are provided with connecting covers which can rotate relative to the suction plastic roller, and the connecting covers are provided with suction cavities corresponding to partial suction air channels.
Preferably, the blister roll comprises an inner core and a plurality of coaxially arranged forming roll sleeves sleeved on the inner core, and each forming roll sleeve is provided with at least one circle of the honeycomb-shaped groove. Furthermore, the forming roller sleeve is connected with the inner core through a key, the two ends of the inner core are connected with nut rings, and the forming roller sleeve is tightly clamped between the two nut rings.
Preferably, the honeycomb-shaped groove is a hexagonal groove or a circular groove, the width of the upper end of the air guide groove is between 1 and 3mm, and the depth of the air guide groove is between 0.5 and 1 mm. Furthermore, the cross section of the air guide groove is in the shape of an inverted trapezoid, an inverted triangle or an inverted arc with a wide upper part and a narrow lower part.
Preferably, the honeycombed groove on the surface of the plastic suction roller is integrally formed by lathing.
Compared with the prior art, the utility model beneficial effect who has is:
when the calcium plastic board sheet of the utility model is formed by plastic suction through the plastic suction roller, the calcium plastic board sheet is absorbed on the surface of the plastic suction roller under the action of air negative pressure, and a honeycomb-shaped board core structure is formed by honeycomb-shaped grooves on the surface of the plastic suction roller; in the prior art, each honeycomb-shaped groove of the blister roll is an independent groove body, so that each honeycomb groove on a honeycomb plate core after blister forming is also an independent groove body, and the shape of the independent honeycomb groove cannot be ventilated during the cooling forming process step after compounding surface layer sheets, so that the problems of pits, bubbles and the like occur at the position of the honeycomb plate corresponding to the honeycomb groove; the honeycomb plate core formed by plastic suction through the plastic suction roller is characterized in that the adjacent honeycomb grooves are synchronously formed with the air guide grooves on the surface of the plastic suction roller, the outermost honeycomb groove is also formed with the air guide groove communicated with the outside, and each honeycomb groove of the honeycomb plate core can be communicated with the outside through the air guide groove, so that the honeycomb plate core formed by plastic suction can always keep the air pressure balance between the honeycomb groove and the outside in the cooling forming process step after the surface layer sheet is compounded, the temperature can be quickly reduced, the cooling forming can be realized, the problem of pits or bubbles on the surface of the honeycomb plate can be avoided, and the processing efficiency and the quality of products are improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a perspective view of the plastic suction roller of the present invention.
Figure 3 is the view of the plastic uptake roller shaft of the utility model.
Fig. 4 is a radial view of the plastic uptake roller of the utility model.
Fig. 5 is a sectional view at a section a-a of fig. 4.
Fig. 6 is a partially enlarged view of fig. 4 at B.
Fig. 7 is a partial enlarged view of fig. 5 at C.
Fig. 8 is a three-dimensional exploded view of the plastic suction roller of the present invention after the forming roller sleeve is removed.
Fig. 9 is a perspective view of the forming roller sleeve of the present invention.
The reference numbers in the figures are:
1 a-a first layer of a calcium plastic sheet; 1 b-a second layer of a calcium plastic sheet; 1 c-a third layer of a calcium plastic sheet;
2 a-a first discharge roller; 2 b-a second discharge roll; 2 c-a third discharge roll;
3 a-a first guide roll; 3 b-a second guide roll; 3 c-a third guide roll;
4 a-a first tensioning roller; 4 b-a second tensioning roller; 4 c-a third tensioning roller;
5 a-upper composite roll; 5 b-a lower layer composite roll;
6-a plastic suction roller; 6 a-inner core; 6 b-forming a roller sleeve; 6 c-a nut ring; a 6 d-bond;
61-honeycomb shaped grooves; 62-air guide groove; 63-through holes; 64-suction airway passage.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 9, a calcium-plastic honeycomb plate continuous processing and forming device is applied to processing three layers of calcium-plastic sheets into calcium-plastic honeycomb plates with honeycomb cavities, and comprises a discharging roller set, a first guide roller set, a second guide roller set, a third guide roller set, a heating blister roller set, a composite roller set and a receiving device, wherein the discharging roller set is wound with the three layers of calcium-plastic sheets, the first layer of calcium-plastic sheets are conveyed to the receiving device from the discharging roller set through the first guide roller set and the composite roller set, the second layer of calcium-plastic sheets are conveyed to the receiving device from the discharging roller set through the second guide roller set and the heating blister roller set, the third layer of calcium-plastic sheets are conveyed to the receiving device from the discharging roller set through the third guide roller set and the composite roller set, the second layer of calcium-plastic sheets are heated and blister by the heating blister roller set and formed and then are positioned between the first layer of calcium-plastic sheets and the third layer of calcium-plastic sheets, the heating blister roller set comprises a blister roller and a negative pressure suction device, a plurality of honeycomb-shaped grooves are formed in the surface of the blister roller, adjacent honeycomb-shaped grooves are communicated through air guide grooves, and the honeycomb-shaped grooves located at the outermost ends of the two sides of the blister roller are communicated with the outside; the inside of the plastic suction roller is provided with a suction air channel communicated with a negative pressure suction device, and the bottom of the honeycombed groove is provided with a through hole communicated with the suction air channel.
The first layer of calcium plastic sheet, the second layer of calcium plastic sheet and the third layer of calcium plastic sheet respectively pass through the first guide roller set, the second guide roller set and the third guide roller set, wherein the second layer of calcium plastic sheet also passes through the heating plastic uptake roller set, and is formed into a honeycomb plate core through plastic uptake. Each honeycomb groove of the honeycomb plate core is communicated with each other, and the outermost honeycomb groove of the honeycomb plate core is also communicated with the outside, so that the honeycomb grooves and the outside air pressure balance can be always kept in the cooling forming process step of the plastic uptake formed honeycomb plate core after the surface layer sheet is compounded, the cooling forming can be carried out at a high speed, the problem of pits or bubbles on the surface of the honeycomb plate is avoided, and the processing efficiency and the quality of the product are improved.
Specifically, as shown in fig. 1, the three calcium plastic sheets are a first calcium plastic sheet 1a, a second calcium plastic sheet 1b and a third calcium plastic sheet 1c, the discharging roller set comprises a first discharging roller 2a, a second discharging roller 2b and a third discharging roller 2c, the first calcium plastic sheet 1a is wound on the first discharging roller 2a, the second calcium plastic sheet 1b is wound on the second discharging roller 2b, and the third calcium plastic sheet 1c is wound on the third discharging roller 2 c; the first guide roller group comprises a first guide roller 3a and a first tensioning roller 4a, the second guide roller group comprises a second guide roller 3b and a second tensioning roller 4b, the third guide roller group comprises a third guide roller 3c and a third tensioning roller 4c, the composite roller group comprises an upper sheet composite roller 5a and a lower sheet composite roller 5c, and the heating blister roller group comprises a heating blister roller 6.
The first layer of calcium-plastic sheets 1a is conveyed to a material receiving device from a first discharging roller 2a through a first tensioning roller 4a, a first guide roller 3a and an upper layer sheet composite roller 5a, the third layer of calcium-plastic sheets 1c is conveyed to the material receiving device from a third discharging roller 2c through a third tensioning roller 4c, a third guide roller 3c and a lower layer sheet composite roller 5b, and the second layer of calcium-plastic sheets 1b is conveyed to a position between the upper layer sheet composite roller 5a and the lower layer sheet composite roller 5b from a second discharging roller 2b through a second guide roller 3b, a second tensioning roller 4b and a heating plastic suction roller 6. The material collecting device is not shown in the figure.
Specifically, the second layer of calcium plastic sheets 1b are positioned between the first layer of calcium plastic sheets 1a and the third layer of calcium plastic sheets 1c after being heated, molded and formed by a heating plastic suction roller set, the heating plastic suction roller set comprises a plastic suction roller 6 and a negative pressure suction device, a plurality of honeycomb-shaped grooves 61 are arranged on the surface of the plastic suction roller 6, adjacent honeycomb-shaped grooves 61 are communicated 62 through air guide grooves, and the honeycomb-shaped grooves 61 positioned at the outermost ends of two sides of the plastic suction roller 6 are communicated with the outside; the inside of the suction plastic roller 6 is provided with a suction air channel 64 communicated with a negative pressure suction device, and the bottom of the honeycombed groove 61 is provided with a through hole 63 communicated with the suction air channel 64.
In this embodiment, the honeycomb grooves on the surface of the blister roll 6 are linearly arranged along the axial direction of the blister roll 6, the blister roll 6 is provided with a plurality of suction gas channels 64 penetrating through two ends of the blister roll 6, the suction gas channels are parallel to the suction gas channels 64 and are circumferentially and uniformly distributed on the axis of the blister roll 6, and each suction gas channel 64 corresponds to each row of honeycomb grooves 61 on the surface of the blister roll 6. The suction plastic roller 6 is provided with connecting covers on both sides thereof which can rotate relative to the suction plastic roller 6, and the connecting covers are provided with suction cavities corresponding to part of the suction air passage channels 64. The second layer of calcium plastic sheet 1b is partially wound on the periphery of the blister roller 6 when passing through the blister roller 6, namely, the part of the second layer of calcium plastic sheet 1b contacted with the periphery of the blister roller 6 is an effective vacuum blister part, so that the negative pressure suction device only needs to perform vacuum suction on the suction gas channel 64 of the part. Wherein the connecting cover can rotate relative to the suction plastic roller 6, which is beneficial to adjusting the vacuum suction area of the suction negative pressure suction device corresponding to the suction air channel 64 at the two sides of the suction plastic roller 6 after the suction plastic roller 6 is installed.
Preferably, the honeycombed groove 61 on the surface of the blister roller 6 is integrally formed by lathing, the integrally formed blister roller has better processing precision, and the honeycombed groove 61 on the surface of the integrally formed blister roller has better sealing property during vacuum blister forming. Generally speaking, the cost of directly producing an integral blister roller mold fully distributed with honeycomb-shaped grooves is extremely high, so that the blister roller 6 can be processed and manufactured in a modularized mode to reduce the cost. Specifically, the blister roll 6 comprises an inner core 6a and a plurality of coaxially arranged forming roll sleeves 6b sleeved on the inner core 6a, the inner core 6a and the forming roll sleeves 6b can be provided with heating modules, so that the blister roll 6 has a heating function, and each forming roll sleeve 6b is provided with at least one circle of the honeycomb-shaped groove 61. Further, the forming roller sleeve 6b is connected with the inner core 6a through a key 6d, two ends of the inner core 6a are connected with nut rings 6c, and the forming roller sleeve 6b is tightly clamped between the two nut rings 6 c.
Preferably, the honeycomb-shaped groove 61 is a hexagonal groove or a circular groove, although the honeycomb-shaped groove 61 may have other shapes, the width of the upper end of the air guide groove 62 is between 1 and 3mm, and the depth of the air guide groove 62 is between 0.5 and 1 mm. Further, the cross-sectional shape of the air guide groove 62 is an inverted trapezoid, an inverted triangle or an inverted arc shape with a wide upper part and a narrow lower part, and the air guide groove 62 with a wide upper part and a narrow lower part is more beneficial to forming the air guide groove on the second layer of the calcium-plastic sheet 1 b.
A molding process of calcium plastic honeycomb plate continuous processing molding equipment comprises the following steps:
a molding process of calcium-plastic honeycomb plate continuous processing molding equipment is characterized by comprising the following steps:
the method comprises the following steps: the feeding roller group transmits the first layer of calcium-plastic sheet to the composite roller group through the first guide roller group;
step two: the discharging roller group transmits the third layer of calcium plastic sheets to the composite roller group through the third guide roller group;
step three: the discharging roller group transmits a second layer of calcium plastic sheets to the heating blister roller group through a second guide roller group, honeycomb grooves corresponding to the honeycomb grooves are formed in the second layer of calcium plastic sheets at the heating blister roller group, air guide grooves corresponding to the air guide grooves are further formed in the connecting wall between two adjacent honeycomb grooves, and the air guide grooves are used for communicating the two adjacent honeycomb grooves so that each honeycomb groove is communicated with the outside;
step four: the second layer of calcium plastic sheet is output between the first layer of calcium plastic sheet and the second layer of calcium plastic sheet through the heating plastic uptake roller set, and is respectively compounded with the first layer of calcium plastic sheet and the third layer of calcium plastic sheet through the compound roller set to form the calcium plastic honeycomb plate;
step five: the calcium plastic honeycomb plate is cooled and molded and then is sent to a material receiving device for shearing and storage.
And in the fifth step, the calcium-plastic honeycomb plate is directly cooled and formed in one step through an air cooling device.
Claims (8)
1. A calcium-plastic cellular board continuous processing forming device is applied to processing three layers of calcium-plastic sheets into calcium-plastic cellular boards with cellular cavities and comprises a discharging roller set, a first guide roller set, a second guide roller set, a third guide roller set, a heating blister roller set, a composite roller set and a material receiving device, wherein the discharging roller set is wound with the three layers of calcium-plastic sheets, the first layer of calcium-plastic sheets are transmitted to the material receiving device from the discharging roller set through the first guide roller set and the composite roller set, the second layer of calcium-plastic sheets are transmitted to the material receiving device from the discharging roller set through the second guide roller set and the heating blister roller set, the third layer of calcium-plastic sheets are transmitted to the material receiving device from the discharging roller set through the third guide roller set and the composite roller set, and the second layer of calcium-plastic sheets are positioned between the first layer of calcium-plastic sheets and the third layer of calcium-plastic sheets after being heated and blister by the heating blister roller set, the heating blister roller set comprises a blister roller and a negative pressure suction device, a plurality of honeycomb-shaped grooves are formed in the surface of the blister roller, adjacent honeycomb-shaped grooves are communicated through air guide grooves, and the honeycomb-shaped grooves located at the outermost ends of the two sides of the blister roller are communicated with the outside; the inside of the plastic suction roller is provided with a suction air channel communicated with a negative pressure suction device, and the bottom of the honeycombed groove is provided with a through hole communicated with the suction air channel.
2. The calcium-plastic honeycomb panel continuous processing and forming device of claim 1, wherein the discharging roller set comprises a first discharging roller, a second discharging roller and a third discharging roller, the first layer of calcium-plastic sheet is wound on the first discharging roller, the second layer of calcium-plastic sheet is wound on the second discharging roller, and the third layer of calcium-plastic sheet is wound on the third discharging roller; the first guide roller group comprises a first tensioning roller and a first guide roller, the second guide roller group comprises a second guide roller and a second tensioning roller, and the third guide roller group comprises a third tensioning roller and a third guide roller; the composite roller set comprises an upper sheet composite roller and a lower sheet composite roller.
3. The calcium-plastic honeycomb plate continuous processing and forming equipment as claimed in claim 1, wherein the blister roll is provided with a plurality of suction gas channels penetrating through two ends of the blister roll, and the suction gas channels are circumferentially and uniformly distributed in parallel with the axis of the blister roll; the two sides of the suction plastic roller are provided with connecting covers which can rotate relative to the suction plastic roller, and the connecting covers are provided with suction cavities corresponding to partial suction air channels.
4. The calcium-plastic honeycomb plate continuous processing and forming device as claimed in claim 1, wherein the plastic suction roller comprises an inner core and a plurality of coaxially arranged forming roller sleeves sleeved on the inner core, and each forming roller sleeve is sleeved with at least one circle of the honeycomb-shaped groove.
5. The calcium-plastic cellular board continuous processing and forming equipment as claimed in claim 4, wherein the forming roller sleeve is connected with the inner core through a key, both ends of the inner core are connected with nut rings, and the forming roller sleeve is tightly clamped between the two nut rings.
6. The calcium-plastic honeycomb plate continuous processing and forming device as claimed in claim 1, wherein the honeycomb-shaped groove is a hexagonal groove or a circular groove, the width of the upper end of the air guide groove is between 1 and 3mm, and the depth of the air guide groove is between 0.5 and 1 mm.
7. The calcium-plastic honeycomb plate continuous processing and forming device as claimed in claim 6, wherein the cross-sectional shape of the air guide groove is an inverted trapezoid, an inverted triangle or an inverted arc shape with a wide upper part and a narrow lower part.
8. The calcium-plastic honeycomb plate continuous processing and forming device as claimed in claim 1, wherein the honeycomb-shaped grooves on the surface of the plastic suction roller are integrally formed by lathing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020850419.7U CN212499349U (en) | 2020-05-20 | 2020-05-20 | Calcium-plastic honeycomb plate continuous processing and forming equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020850419.7U CN212499349U (en) | 2020-05-20 | 2020-05-20 | Calcium-plastic honeycomb plate continuous processing and forming equipment |
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| Publication Number | Publication Date |
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| CN212499349U true CN212499349U (en) | 2021-02-09 |
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| CN202020850419.7U Active CN212499349U (en) | 2020-05-20 | 2020-05-20 | Calcium-plastic honeycomb plate continuous processing and forming equipment |
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| CN (1) | CN212499349U (en) |
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