CN108381837B - Small container structure, box body processing mold, system and method - Google Patents
Small container structure, box body processing mold, system and method Download PDFInfo
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- CN108381837B CN108381837B CN201810156312.XA CN201810156312A CN108381837B CN 108381837 B CN108381837 B CN 108381837B CN 201810156312 A CN201810156312 A CN 201810156312A CN 108381837 B CN108381837 B CN 108381837B
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- 238000003860 storage Methods 0.000 claims abstract description 94
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- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
- B29C41/06—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould about two or more axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/38—Moulds, cores or other substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/52—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/04—Linings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7126—Containers; Packaging elements or accessories, Packages large, e.g. for bulk storage
Abstract
The invention discloses a small container structure, a box body processing mold, a system and a method. The container structure comprises a container body and a container cover, wherein the container walls are respectively of a composite layer structure, and the composite layer structure comprises an impact resistant layer, a foaming layer and an inner liner layer which are sequentially arranged from outside to inside; the box body processing mold comprises an upper mold cover, a lower mold, a charging pipe, a foaming material storage barrel, an inner lining material storage barrel and a discharging control mechanism, wherein an inverted U-shaped flanging groove and a striker plate are arranged on the upper mold cover, and a cavity for processing the box body is formed between the lower mold and the upper mold cover; the processing system comprises the die, the rotating mechanism and the heating chamber; the processing method comprises the stages of feeding, heating, cooling and demolding. The container body of the container with the multilayer wall composite structure is realized at one time by loading materials at one time, heating at different time, feeding materials at different time, cooling and shaping and demoulding, and the processed container body has light weight, high strength, acid and alkali corrosion resistance, reduces the manufacturing cost of the container and prolongs the service life of the container.
Description
Technical Field
The invention relates to a small container structure, a container body processing mold, a system and a method, and belongs to the technical field of container processing.
Background
In the modern logistics transportation industry, the container is widely applied in the transportation industry as a standardized vehicle. General containers are classified into large containers and small containers according to their sizes. The length of the large container is 6-12 meters, the width is 2.4 meters, the height is 2.6-2.9 meters, and the large container is generally suitable for long-distance transportation due to large size and long matched vehicle type. The length of small container is 1.8 ~ 4.5 meters, the width is 1.2 ~ 2 meters, highly is 1 ~ 1.8 meters, because the size is small and exquisite, supporting motorcycle type is nimble, is fit for being arranged in the short distance transportation from goods collection and distribution center to customer's hand.
The small containers at the present stage mainly comprise steel containers, aluminum alloy containers and glass fiber reinforced plastic containers. Although the steel container has high strength and firm structure, the steel container has heavy weight and poor corrosion resistance; the aluminum alloy container is made of aluminum alloy materials, although the aluminum alloy container is light in weight, the manufacturing cost is high, and the welding performance is poor; the glass fiber reinforced plastic container is made of glass fiber reinforced plastic materials, has the advantages of high strength and good rigidity, but has heavy weight and easy aging, the strength of the screwed bolt is reduced, and simultaneously, the glass fiber reinforced plastic is not easy to recycle; in the steel container, the aluminum alloy container or the glass fiber reinforced plastic container, if the transported articles need to be insulated, an additional insulation measure is needed, so that the transportation cost is increased; above-mentioned container generally is that a plurality of panels form through assembling such as welding, bolt, then installs the chamber door, and this kind of box body simple to operate who can dismantle the container, and it is convenient to maintain, but compares with the box of whole processing, and its hookup location appears damaging easily, influences the use of container, if with the whole processing of the box of the container of above-mentioned material, it is not only that the processing mold structure is complicated, receives its material influence moreover often with high costs. Therefore, the problems of the prior containers bring much inconvenience to the purchasing, using, maintaining and the like of the containers in the modern logistics industry.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a small container structure, a box body processing mold, a system and a method which have high strength, good heat preservation and sound insulation effects and light weight.
The technical scheme for solving the technical problems is as follows: the utility model provides a small container structure, includes box and case lid, the tank wall of box and case lid is the composite bed structure respectively, the composite bed structure includes shock resistance, foaming layer and the inner liner that outside-in set gradually, shock resistance and inner liner adopt one or more of polyethylene, polypropylene respectively, the foaming layer adopts polyethylene foaming or polypropylene foaming.
The invention has the beneficial effects that: the wall of the container is compounded by an impact resistant layer, a foaming layer and an inner liner layer, the three-layer structural materials are high molecular polymers, the composite structure increases the strength of the container body, meanwhile, the container body of the container has better characteristics of heat preservation, sound insulation and the like due to the low heat conductivity coefficient of foaming bubbles, the use field of the container is widened, and the inner liner layer smoothes the uneven surface of the foaming layer, so that the cleaning and washing of the interior of the container body are facilitated; under the condition of meeting the use performance, the weight of each product is lighter than that of the traditional steel container by more than 45 percent; the foaming layer not only reduces the weight of the container, but also has the functions of heat preservation and sound insulation; the material of the impact-resistant layer adopts polyethylene or polypropylene, and the two materials have excellent impact resistance, so that the container is not damaged under the action of external force impact in the processes of stacking, carrying and the like; meanwhile, the container is resistant to acid and alkali corrosion, simple in structure, convenient to use and maintain, capable of reducing the manufacturing cost of the container and prolonging the service life of the container.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the thicknesses of the impact-resistant layer and the lining layer are respectively 1-20 mm.
The beneficial effect who adopts above-mentioned further scheme is, guarantees the support intensity of container wall.
Further, the thickness of the foaming layer is 5-100 mm.
Adopt above-mentioned further scheme's beneficial effect be, guaranteeing under the prerequisite of high strength, alleviate the weight of tank wall, make the container lightweight, still have the soundproof effect of heat preservation simultaneously.
Furthermore, a first transition layer is arranged between the impact-resistant layer and the foaming layer.
The further scheme has the advantages that in the specific processing process, because the melting temperatures of the raw materials of the shock-resistant layer and the foaming layer are relatively close, a transition layer formed by fusing the shock-resistant raw material and the foaming raw material exists between the shock-resistant layer and the foaming layer, the raw materials of the shock-resistant layer and the foaming layer are crosslinked in the transition layer, the bonding force between the shock-resistant layer and the foaming layer is increased through the crosslinking effect, and the layering or delaminating condition cannot occur.
Further, a second transition layer is arranged between the inner liner layer and the foaming layer.
The beneficial effect who adopts above-mentioned further scheme is that, because the melting temperature ratio of inner liner and foaming layer raw materials is close in specific course of working, can have the transition layer that inner liner raw materials and foaming raw materials fuse together between inner liner and foaming layer, the inner liner takes place the crosslinking with the foaming layer at the transition layer equally, through this kind of cross-linking effect, has increased the cohesion on inner liner and foaming layer, the layering or delaminating condition can not appear.
The invention also discloses a processing die of the small container body, which comprises an upper die cover, a lower die, a charging pipe, a foaming material storage barrel, a lining material storage barrel and a discharge control mechanism, wherein the charging pipe, the foaming material storage barrel and the lining material storage barrel are arranged on the upper die cover, the discharge control mechanism is respectively arranged inside the foaming material storage barrel and the lining material storage barrel, the upper die cover is provided with a baffle plate, a reverse U-shaped flanging groove is arranged at the joint part of the upper die cover and the lower die, a cavity for processing the container body is formed between the lower die and the upper die cover, the tops of the foaming material storage barrel and the lining material storage barrel are respectively provided with a barrel cover, the bottoms of the foaming material storage barrel and the lining material storage barrel are respectively provided with a discharge port, and the discharge port is provided with a connecting sleeve and a heat insulating sleeve; the discharging control mechanism comprises a plug and a lifting cylinder used for driving the plug to move, the plug is matched with the connecting sleeve in an inserting mode, the plug is connected with a piston rod of the lifting cylinder, and a cylinder body of the lifting cylinder is installed in the foaming material storage barrel and the lining material storage barrel through a connecting support.
The invention has the beneficial effects that: the foaming layer raw material is put into a foaming material storage barrel, and the lining layer raw material is put into a lining material storage barrel; the method comprises the following steps that the supply of raw materials of a foaming layer and raw materials of an inner liner realizes the opening and closing control of a discharge port through a discharge control mechanism in a storage barrel, the raw materials of an impact resistant layer are added into a cavity through a charging pipe, a mold is heated, the mold rotates around the center of the mold, the raw materials of the impact resistant layer are melted and formed in the cavity to form the impact resistant layer, the storage barrel of the foaming material is opened, the raw materials of the foaming layer are added onto the formed impact resistant layer, the mold is continuously heated, the raw materials of the foaming layer to be foamed are melted and formed to form the foaming layer, the storage barrel of the inner liner is opened, the raw materials of the inner liner are added onto the formed foaming layer, and the mold is continuously heated, so that the raw materials of the inner liner are melted and formed to form the inner liner; stopping heating, and solidifying to form the box body with the composite layer structure. The mould has the advantages of simple structure, convenient and quick operation, high safety, capability of processing the integrally formed container body, reduction of the manufacturing cost of the container body, improvement of the processing efficiency of the container body, light weight of the manufactured container body, high strength and long service life.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, a groove is formed in the upper mold cover, a heat insulation plate is arranged in the groove, one side of the upper mold cover is connected with the heat insulation plate through a hinge, and the other side of the upper mold cover is pressed tightly through a quick clamp installed on the heat insulation plate.
The beneficial effect of adopting above-mentioned further scheme is that, the heat insulating board of the upper surface of last mould is used for thermal-insulated, avoids mould heating process high temperature to damage other parts, and the bung opens and closed convenient and fast.
Further, the walls of the foaming material storage barrel and the lining material storage barrel are respectively provided with a heat insulation layer.
Adopt above-mentioned further scheme's beneficial effect is, the heating process is through the whole mould of heating chamber heating, and the storage vat has the insulating layer, and inside raw materials can not receive the influence, avoids the raw materials in the storage vat to receive mould heating temperature's influence to melt, influences the shaping effect of blanking effect and box.
Furthermore, the upper surface of the plug is an upper conical surface.
The adoption of the further scheme has the beneficial effects that the material is favorably divided and flows down from the plug, and the flowing of the raw material is not hindered; the smooth blanking of raw materials in the storage vat is guaranteed.
Furthermore, the inlet of the connecting sleeve is of a conical structure, and the lower surface of the plug is a lower conical surface matched with the inlet of the connecting sleeve.
The beneficial effect who adopts above-mentioned further scheme is, not only do benefit to end cap and adapter sleeve cartridge cooperation, has increased sealed area moreover.
Furthermore, the foaming material storage barrel and the lining material storage barrel are multiple and are uniformly distributed on the upper die cover.
Adopt the beneficial effect of above-mentioned further scheme to be gathered a plurality of storage barrels and multiple raw materials in a mould, once only accomplish the loading of all raw materials. Avoid when adding different raw materials, need stop heating to need to open the mould again and add the raw materials. By the production mode, the heating and feeding process is not required to be stopped, the production efficiency is improved, and the operation flow is simplified. In addition, the device can also store more raw materials with other performances to meet various functional requirements of products.
Furthermore, an annular base plate is arranged between the foaming material storage barrel and the lining layer storage barrel and the corresponding barrel cover respectively.
The beneficial effect of adopting the further scheme is that the annular backing plate is made of tetrafluoroethylene material. The mould rotates the process, increases the leakproofness of bung and storage vat, avoids the material to leak the material.
Furthermore, the plug is connected with a piston rod of the lifting cylinder through a lifting pull rod, and a return spring is sleeved outside the lifting pull rod.
Adopt above-mentioned further scheme's beneficial effect be, when promoting the pull rod can not move, reset spring will promote the pull rod ejecting, drive the airtight storage vat of reposition of redundant personnel end cap simultaneously.
The invention also discloses a processing system of the small container body, which comprises the processing mould of the small container body, a rotating mechanism for driving the mould to rotate and a heating chamber for heating the mould, wherein the rotating mechanism comprises a main shaft rotating mechanism and an auxiliary shaft rotating mechanism;
the main shaft rotating mechanism comprises a main shaft and a main shaft driving motor, the main shaft driving motor is installed in the control box, a main shaft transmission gear is arranged on an output shaft of the main shaft driving motor, a main shaft gear meshed with the main shaft transmission gear is arranged at one end of the main shaft, and the other end of the main shaft is connected with the lower die through a C-shaped support;
the auxiliary shaft rotating mechanism comprises a first transmission shaft, a second transmission shaft, a third transmission shaft and an auxiliary shaft driving motor, an auxiliary shaft transmission gear is arranged on an output shaft of the auxiliary shaft driving motor, an auxiliary shaft gear meshed with the auxiliary shaft transmission gear is arranged at the end of the first transmission shaft, the first transmission shaft is arranged inside the main shaft through a bearing, the second transmission shaft and the third transmission shaft are arranged inside the C-shaped support through a bearing, the first transmission shaft and the second transmission shaft are in transmission through a chain wheel and a chain, the second transmission shaft is connected with one end of the third transmission shaft through bevel gear transmission, and the other end of the third transmission shaft is connected with the lower die.
The invention has the advantages that when the mold needs to be heated, the control box carries the mold to enter the heating chamber through the matching of the pulley and the track to realize the heating of the mold, the rotation of the mold is realized through the rotating mechanism in the forming process of the composite structure, so that the raw material is uniformly covered on the cavity surface of the mold along the rotating track of the mold, and further the box body is formed, the wall thickness is uniform, when the composite structure of the box body in the mold is formed, the mold leaves the heating chamber to be cooled, the raw material is slowly solidified to form the box body, then the upper mold cover is opened to remove the box body, and the needed box body of the container is formed after shaping, trimming and cutting. In a word, the invention has simple structure and convenient operation, and can process the integrally formed box body by the box body processing system, the box wall of the processed box body has a three-layer composite structure, and the box body has light weight, high strength and heat and sound insulation performance.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the C-shaped support is connected with the lower die through a flange.
The beneficial effect of adopting above-mentioned further scheme is, installation maintenance convenient and fast.
The invention also discloses a processing method of the small container body, which adopts the processing system of the small container body and comprises the following specific processing steps:
1) a charging stage: adding an impact-resistant layer raw material into the lower die through a feeding pipe, opening a barrel cover to add the foaming layer raw material into a foaming material storage barrel, and opening the barrel cover to add an inner liner raw material into an inner liner storage barrel;
2) a heating stage: the method comprises the following steps that a mould enters a heating chamber, the mould is heated through the heating chamber and rotates under the action of a main shaft and auxiliary shaft rotating mechanism, when the internal temperature of the mould reaches 160-200 ℃, all shock-resistant layer raw materials entering a lower mould are melted, the melted shock-resistant layer raw materials are uniformly attached to the surface of a mould cavity under the action of the rotating mechanism, a discharging control mechanism of a foaming material storage barrel is opened, the foaming layer raw materials in the foaming material storage barrel flow into the lower mould, the temperature of the mould is reduced by 40-50 ℃, then the mould is continuously heated, when the internal temperature of the mould reaches 120-180 ℃, the foaming layer raw materials are attached to the surface of the formed shock-resistant layer, a foaming layer is formed by the foaming layer raw materials after the foaming process, the discharging control mechanism of an inner lining material storage barrel is opened, the inner lining layer raw materials in the inner lining material storage barrel flow into the lower mould, the temperature of the mould is reduced by 40-50 ℃, then, continuously heating the mold until the temperature in the mold reaches 120-160 ℃, and attaching the inner liner layer to the surface of the formed foaming layer to complete the forming of the inner liner layer;
3) and (3) a cooling stage: stopping heating the mold when the mold leaves the heating chamber, rotating the mold under the action of the rotating mechanism to slowly solidify the molten raw materials in the mold, and stopping cooling after the temperature in the mold is reduced to 90-120 ℃, so that a composite layer structure of an impact-resistant layer, a foaming layer and an inner liner layer from outside to inside is formed in the mold cavity;
4) and (3) demolding: and stopping the rotating mechanism, dismounting a locking nut between the locking upper die cover and the lower die, opening the upper die cover, taking out the formed box body from the lower die, and forming a box body structure through shaping, trimming and cutting.
The invention has the beneficial effects that: the heating temperature of the anti-impact layer is higher, so that the production efficiency is improved, and the heating time is reduced; the heating temperature of the lining layer is lower than that of the impact-resistant layer, so that the production process is controllable, and the formed impact-resistant layer and the formed foaming layer are influenced if the temperature is too high; in addition, the material of the impact resistant layer is the same as that of the lining layer, and although the material is the same, the material can be different in type. The impact resistant layer can be made of high-density materials, so that the strength is good, but the heating temperature is higher. The inner liner can adopt the material of low density, and toughness is good, but heating temperature is on the low side, and three different temperature intervals correspond three kinds of different processes of throwing the material, distinguishes the forming process of three-layer material through the heating condition of difference, realizes that every layer of material shaping can not receive the influence of other layer materials. In a word, the processing method of the container body realizes the container body of the container with the multilayer wall composite structure at one time by charging at one time, and performing the operations of heating at different time intervals, feeding at different time intervals, cooling and shaping and demoulding.
Drawings
FIG. 1 is a schematic view of the construction of the container of the present invention;
FIG. 2 is a schematic structural view of a container wall according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a wall of a container according to embodiment 2 of the present invention;
FIG. 4 is a schematic structural view of a container body processing mold of the present invention;
FIG. 5 is a schematic structural view of a foaming material storage vat according to the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a schematic view of the liner storage silo of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at B;
FIG. 9 is a schematic diagram of a processing system according to the present invention;
FIG. 10 is a schematic perspective view of a mold and a rotating mechanism of the processing system of the present invention;
FIG. 11 is a schematic view of a rotary mechanism of the processing system of the present invention;
FIG. 12 is a schematic view of the processing system of the present invention with the mold ready to enter the heating chamber;
FIG. 13 is a schematic view of the heating system of the present invention with the mold entering the heating chamber;
FIG. 14 is a schematic view of the gas path layout structure of the heating system of the present invention;
FIG. 15 is an enlarged view of a portion of FIG. 14 at C;
FIG. 16 is an enlarged view of a portion of FIG. 14 at D;
FIG. 17 is an enlarged view of a portion of FIG. 14 at E;
FIG. 18 is a schematic structural view of a gas circuit rotary joint of the heating system of the present invention;
FIG. 19 is a schematic structural view of a heating mold internal forming box of the present invention;
fig. 20 is a partial enlarged view at F in fig. 19.
In the figure, 1, a box body; 2. a box cover; 3. an impact resistant layer; 4. a foamed layer; 5. an inner liner layer; 6. a first transition layer; 7. a second transition layer; 8. a lower die; 9. putting a mold cover; 10. a foaming material storage barrel; 11. a lining material storage barrel; 12. a flanging groove; 13. a striker plate; 14. a heat insulating sleeve; 15. connecting sleeves; 16. a plug; 17. lifting the pull rod; 18. a return spring; 19. a lift cylinder; 20. connecting a bracket; 21. a feed tube; 22. a cavity; 23. a hinge; 24. quick clamping; 25. an upper conical surface; 26. a lower conical surface; 27. a heat insulation plate; 28. a thermal insulation layer; 29. a barrel cover; 30. an annular backing plate; 31. a gas circuit; 32. a heating chamber; 33. a main shaft; 34. a spindle drive motor; 35. a control box; 36. a main shaft transmission gear; 37. a main shaft gear; 38. a C-shaped bracket; 39. a flange; 40. a countershaft drive motor; 41. a first drive shaft; 42. a second drive shaft; 43. a third drive shaft; 44. a countershaft transfer gear; 45. a counter gear; 46. a bearing; 47. a sprocket; 48. a chain; 49. a bevel gear; 50. a gas circuit rotary joint; 51. a stationary housing; 52. rotating the mandrel; 53. an air inlet end; 54. an air outlet end; 55. an annular groove; 56. an airway; 57. a seal ring; 58. a pulley; 59. a track.
Detailed Description
The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
The thicknesses of the impact-resistant layer and the lining layer are respectively 1-20 mm. The supporting strength of the wall of the container is ensured.
The thickness of the foaming layer is 5-100 mm. On the premise of ensuring high strength, the weight of the box wall is reduced, so that the container is light in weight, and meanwhile, the container also has the effects of heat preservation and sound insulation.
In example 2, as shown in fig. 3, a first transition layer 6 is provided between the impact resistant layer and the foam layer. In the specific processing process, because the melting temperatures of the raw materials of the shock-resistant layer and the foaming layer are relatively close, a transition layer formed by fusing the shock-resistant raw material and the foaming raw material exists between the shock-resistant layer and the foaming layer, and the raw materials of the shock-resistant layer and the foaming layer are crosslinked in the transition layer, so that the binding force between the shock-resistant layer and the foaming layer is increased through the crosslinking action, and the layering or delaminating condition cannot occur.
And a second transition layer 7 is arranged between the inner liner layer and the foaming layer. Because the melting temperature of the inner liner layer and the foaming layer raw material is relatively close in the specific processing process, a transition layer which is formed by fusing the inner liner raw material and the foaming raw material can exist between the inner liner layer and the foaming layer, the inner liner layer and the foaming layer are also crosslinked in the transition layer, the binding force of the inner liner layer and the foaming layer is increased through the crosslinking effect, and the layering or delaminating condition can not occur.
As shown in fig. 4-8, the invention further discloses a processing mold for a small container body, which comprises an upper mold cover 9, a lower mold 8, a conical charging pipe 21, a foaming material storage barrel 10, a lining material storage barrel 11, and discharge control mechanisms respectively arranged inside the foaming material storage barrel and the lining material storage barrel, wherein the upper mold cover is provided with a baffle plate 13, a reverse U-shaped flanging groove 12 is arranged at the joint part of the upper mold cover and the lower mold, a cavity 22 for processing the container body is formed between the lower mold and the upper mold cover, the tops of the foaming material storage barrel and the lining material storage barrel are respectively provided with a barrel cover 29, the bottoms of the foaming material storage barrel and the lining material storage barrel are respectively provided with a discharge port, the discharge port is provided with a connecting sleeve 15 and a heat insulating sleeve 14, and the heat insulating sleeve is sleeved at the outlet position of the connecting sleeve; the discharging control mechanism comprises a plug 16 and a lifting cylinder 19 for driving the plug to move, the plug is matched with the connecting sleeve in a plug-in mounting manner, the plug is connected with a piston rod of the lifting cylinder, and a cylinder body of the lifting cylinder is installed in the foaming material storage barrel and the lining material storage barrel through a connecting support 20.
The upper mold cover is provided with a groove, a heat insulation plate 27 is arranged in the groove, one side of the cover is connected with the heat insulation plate through a hinge 23, and the other side of the cover is pressed tightly through a quick clamp 24 arranged on the heat insulation plate. The heat insulation plate on the upper surface of the upper die is used for heat insulation, so that other parts are prevented from being damaged by high temperature in the heating process of the die, and the opening and closing of the barrel cover are convenient and quick.
And the walls of the foaming material storage barrel and the lining material storage barrel are respectively provided with a heat insulation layer 28. The heating process is through the whole mould of heating chamber heating, and the storage vat has the insulating layer, and inside raw materials can not receive the influence, avoids the raw materials in the storage vat to melt by mould heating temperature's influence, influences the shaping effect of blanking effect and box.
The upper surface of the plug is an upper conical surface 25. The material can flow from the plug without obstructing the flow of the material; the smooth blanking of raw materials in the storage vat is guaranteed.
The inlet of the connecting sleeve is of a conical structure, and the lower surface of the plug is a lower conical surface 26 matched with the inlet of the connecting sleeve. The plug and the connecting sleeve are inserted and matched, and the sealing area is increased.
The foaming material storage barrel and the lining material storage barrel are multiple and are uniformly distributed on the upper die cover. And collecting a plurality of storage barrels and a plurality of raw materials in a mould, and loading all the raw materials at one time. Avoid when adding different raw materials, need stop heating to need to open the mould again and add the raw materials. By the production mode, the heating and feeding process is not required to be stopped, the production efficiency is improved, and the operation flow is simplified. In addition, the device can also store more raw materials with other performances to meet various functional requirements of products.
And annular base plates 30 are arranged between the foaming material storage barrel and the inner liner storage barrel and the corresponding barrel covers respectively. The annular base plate is made of tetrafluoroethylene material. The mould rotates the process, increases the leakproofness of bung and storage vat, avoids the material to leak the material.
The plug is connected with a piston rod of the lifting cylinder through a lifting pull rod 17, and a return spring 18 is sleeved on the outer side of the lifting pull rod. When the lifting pull rod can not act, the reset spring pushes out the lifting pull rod and drives the shunting plug to seal the storage barrel.
As shown in fig. 9-18, the present invention also discloses a processing system for a small container body, which comprises the processing mold for a small container body, a rotating mechanism for driving the mold to rotate, and a heating chamber 32 for heating the mold, wherein the rotating mechanism comprises a main shaft rotating mechanism and a secondary shaft rotating mechanism;
the main shaft rotating mechanism comprises a main shaft 33 and a main shaft driving motor 34, the main shaft driving motor is installed in a control box 35, a main shaft transmission gear 36 is arranged on an output shaft of the main shaft driving motor, a main shaft gear 37 meshed with the main shaft transmission gear is arranged at one end of the main shaft, and the other end of the main shaft is connected with the lower die through a C-shaped support 38;
the auxiliary shaft rotating mechanism comprises a first transmission shaft 41, a second transmission shaft 42, a third transmission shaft 43 and an auxiliary shaft driving motor 40, an auxiliary shaft transmission gear 44 is arranged on an output shaft of the auxiliary shaft driving motor, an auxiliary shaft gear 45 meshed with the auxiliary shaft transmission gear is arranged at the end of the first transmission shaft, the first transmission shaft is arranged inside the main shaft through a bearing 46, the second transmission shaft and the third transmission shaft are arranged inside the C-shaped support through a bearing, the first transmission shaft and the second transmission shaft are transmitted through a chain wheel 47 and a chain 48, the second transmission shaft is connected with one end of the third transmission shaft through a bevel gear 49, and the other end of the third transmission shaft is connected with the lower die.
The C-shaped bracket is connected to the lower die by a flange 39. The installation and maintenance are convenient and fast.
Because there is the lift cylinder among the ejection of compact control mechanism in the storage vat in the box system of processing, the event needs to be solved rotary mechanism and influences the problem of lift cylinder's gas circuit at rotatory in-process, the event designs gas circuit rotary joint 50 on the gas circuit, gas circuit rotary joint is including fixed casing 51 and rotation dabber 52, it installs in fixed casing to rotate the dabber, be equipped with inlet end 53 on the fixed casing, it is equipped with air outlet end 54 to rotate the spindle, the surface of rotating the dabber is equipped with the annular groove 55 that is used for communicateing the air flue, the inlet end corresponds the intercommunication through air flue 56 and annular groove and air outlet end. A plurality of sealing rings 57 are arranged between the fixed shell and the rotating mandrel. When the air inlet end is connected with the air inlet pipeline, the air outlet end is connected with the air outlet pipeline, the fixed shell is fixed through the locking bolt, and the rotating mandrel is connected with the transmission shaft and rotates along with the transmission shaft. The whole gas circuit is communicated through a gas passage on the gas circuit rotary joint and the annular groove. Specifically, as shown in fig. 14, a first-stage gas path rotary joint is arranged at a gas path inlet position, i.e., at position E, a rotating mandrel of the first-stage gas path rotary joint is connected with an input end of a first transmission shaft, and a fixed shell of the first-stage gas path rotary joint is fixedly mounted on a bracket; a second-stage gas circuit rotary joint is arranged at the output position of the first transmission shaft, namely the position D, a rotating mandrel of the second-stage gas circuit rotary joint is connected with the output end of the first transmission shaft, and a fixed shell of the second-stage gas circuit rotary joint is connected with the C-shaped support through a locking bolt; the third transmission shaft position, namely the C position, is provided with a third-level gas circuit rotary joint, a rotating mandrel of the third-level gas circuit rotary joint is connected with the third transmission shaft, and a fixed shell of the third-level gas circuit rotary joint is installed on the C-shaped support through a locking bolt, so that the problem of pipeline winding of a gas circuit of the lifting cylinder is solved through the three gas circuit rotary joints.
The bottom of the control box is provided with a pulley 58 which can walk on a track 59 leading to the heating chamber, when the mold needs to be heated, the control box carries the mold to enter the heating chamber through the matching of the pulley and the track, so as to realize the heating of the mold, the rotation of the mold is realized through a rotating mechanism in the forming process of the composite structure, so that the raw material is uniformly covered on the cavity surface of the mold along the rotating track of the mold, and further the box body is formed, and the wall thickness is uniform.
The conical feeding pipe is arranged in the center of the upper die cover. The height of the conical feed pipe extending into the die is half of the total height of the die. If the gas circuit trouble, the unable ejection of compact of ejection of compact control mechanism, the toper filling tube can regard as reinforced passageway to use, can directly add the raw materials that needs through the toper filling tube.
The invention also discloses a processing method of the small container body, which adopts the processing system of the small container body to install the die on the rotating mechanism, and comprises the following specific processing steps:
1) a charging stage: adding an impact-resistant layer raw material into the lower die through a feeding pipe, opening a barrel cover to add the foaming layer raw material into a foaming material storage barrel, and opening the barrel cover to add an inner liner raw material into an inner liner storage barrel;
2) a heating stage: the method comprises the following steps that a mould enters a heating chamber, the mould is heated through the heating chamber and rotates under the action of a main shaft and auxiliary shaft rotating mechanism, when the internal temperature of the mould reaches 160-200 ℃, all shock-resistant layer raw materials entering a lower mould are melted, the melted shock-resistant layer raw materials are uniformly attached to the surface of a mould cavity under the action of the rotating mechanism, a discharging control mechanism of a foaming material storage barrel is opened, the foaming layer raw materials in the foaming material storage barrel flow into the lower mould, the temperature of the mould is reduced by 40-50 ℃, then the mould is continuously heated, when the internal temperature of the mould reaches 120-180 ℃, the foaming layer raw materials are attached to the surface of the formed shock-resistant layer, a foaming layer is formed by the foaming layer raw materials after the foaming process, the discharging control mechanism of an inner lining material storage barrel is opened, the inner lining layer raw materials in the inner lining material storage barrel flow into the lower mould, the temperature of the mould is reduced by 40-50 ℃, then, continuously heating the mold until the temperature in the mold reaches 120-160 ℃, and attaching the inner liner layer to the surface of the formed foaming layer to complete the forming of the inner liner layer;
3) and (3) a cooling stage: stopping heating the mold when the mold leaves the heating chamber, rotating the mold under the action of the rotating mechanism to slowly solidify the molten raw materials in the mold, and stopping cooling after the temperature in the mold is reduced to 90-120 ℃, so that a composite layer structure of an impact-resistant layer, a foaming layer and an inner liner layer from outside to inside is formed in the mold cavity;
4) and (3) demolding: and stopping the rotating mechanism, dismounting a locking nut between the locking upper die cover and the lower die, opening the upper die cover, taking out the formed box body from the lower die, and forming a box body structure through shaping, trimming and cutting.
The cooling can be natural cooling, fan blowing cooling and/or spray cooling by a water pump.
The rotational molding operation of the box body is realized in the working process of the box body processing system, the mold continuously rotates along two vertical shafts and heats the mold, as shown in figures 19 and 20, raw materials in the mold are gradually and uniformly coated and fused and adhered to the surface of a mold cavity or a shaped layer structure under the action of gravity and heat energy, the materials cannot be discharged from the conical feed pipe in the whole rotational molding process, and if the materials are leaked, the materials can be covered on the pipe opening of the conical feed pipe; raw materials are not easy to adhere to the wall of the storage barrels in the processing process, and the upper die cover with a small amount of raw materials adhered between the storage barrels can be processed through subsequent trimming to obtain the required container body.
The heating temperature of the anti-impact layer is higher, so that the production efficiency is improved, and the heating time is reduced; the heating temperature of the lining layer is lower than that of the impact-resistant layer, so that the production process is controllable, and the formed impact-resistant layer and the formed foaming layer are influenced if the temperature is too high; although the material of the impact-resistant layer is the same as that of the inner liner layer, the material of different types can be adopted, for example, the impact-resistant layer can be made of a high-density material, so that the strength is good, and the heating temperature is required to be higher; the inner liner can adopt the material of low density, and toughness is good, but heating temperature is on the low side, and three different temperature intervals correspond three kinds of different processes of throwing the material, distinguishes the forming process of three-layer material through the heating condition of difference, realizes that every layer of material shaping can not receive the influence of other layer materials.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A processing system of a small container body is characterized by comprising a processing mould of the small container body, a rotating mechanism for driving the mould to rotate and a heating chamber for heating the mould, wherein the rotating mechanism comprises a main shaft rotating mechanism and an auxiliary shaft rotating mechanism;
the processing mould of the small container box body comprises an upper mould cover, a lower mould, a charging pipe, a foaming material storage barrel, an inner lining material storage barrel and a discharge control mechanism, wherein the charging pipe, the foaming material storage barrel and the inner lining material storage barrel are arranged on the upper mould cover, the discharge control mechanism is respectively arranged inside the foaming material storage barrel and the inner lining material storage barrel, the upper mould cover is provided with a baffle plate, the joint part of the upper mould cover and the lower mould is provided with an inverted U-shaped flanging groove, a cavity for processing the box body is formed between the lower mould and the upper mould cover, the tops of the foaming material storage barrel and the inner lining material storage barrel are respectively provided with a barrel cover, the bottoms of the foaming material storage barrel and the inner lining material storage barrel are respectively provided with a discharge port, and the discharge port is provided with a connecting sleeve and a heat insulation sleeve;
the discharging control mechanism comprises a plug matched with the connecting sleeve and a lifting cylinder for driving the plug to act, the plug is connected with a piston rod of the lifting cylinder, and a cylinder body of the lifting cylinder is arranged in the foaming material storage barrel and the lining material storage barrel through a connecting support;
the main shaft rotating mechanism comprises a main shaft and a main shaft driving motor, the main shaft driving motor is installed in the control box, a main shaft transmission gear is arranged on an output shaft of the main shaft driving motor, a main shaft gear meshed with the main shaft transmission gear is arranged at one end of the main shaft, and the other end of the main shaft is connected with the lower die through a C-shaped support;
the auxiliary shaft rotating mechanism comprises a first transmission shaft, a second transmission shaft, a third transmission shaft and an auxiliary shaft driving motor, the first transmission shaft is arranged inside the main shaft through a bearing, the second transmission shaft and the third transmission shaft are arranged inside the C-shaped support through a bearing, an auxiliary shaft transmission gear is arranged on an output shaft of the auxiliary shaft driving motor, an auxiliary shaft gear meshed with the auxiliary shaft transmission gear is arranged at the end of the first transmission shaft, the first transmission shaft and the second transmission shaft are in transmission through a chain wheel and a chain, the second transmission shaft and one end of the third transmission shaft are in transmission through a bevel gear, and the other end of the third transmission shaft is connected with the lower die.
2. The system for processing the small container body as claimed in claim 1, wherein the upper mold cover is provided with a groove, a heat insulation plate is arranged in the groove, one side of the cover is connected with the heat insulation plate through a hinge, and the other side of the cover is pressed tightly through a quick clamp installed on the heat insulation plate.
3. The system for processing the small container body as claimed in claim 1 or 2, wherein the walls of the foam material storage barrel and the lining material storage barrel are respectively provided with a thermal insulation layer.
4. The processing system of the small container body as claimed in claim 1, wherein the plug is connected with the piston rod of the lifting cylinder through a lifting pull rod, and a return spring is sleeved outside the lifting pull rod.
5. The system for processing the small container body as claimed in claim 1, wherein the inlet of the connecting sleeve is a tapered structure, and the lower surface of the plug is a lower tapered surface adapted to the inlet of the connecting sleeve.
6. The system as claimed in claim 1, wherein the foaming material storage tank and the lining material storage tank are respectively provided in plural numbers and are uniformly distributed on the upper mold cover.
7. A system for manufacturing a compact container body as claimed in claim 1, wherein said C-shaped bracket is connected to said lower mold by a flange.
8. A method for processing a small container body, which is characterized in that the processing system of the small container body as claimed in any one of claims 1 to 7 is adopted, and the processing steps are as follows:
1) a charging stage: adding an impact-resistant layer raw material into the lower die through a feeding pipe, opening a barrel cover to add the foaming layer raw material into a foaming material storage barrel, and opening the barrel cover to add an inner liner raw material into an inner liner storage barrel;
2) a heating stage: the method comprises the following steps that a mould enters a heating chamber, the mould is heated through the heating chamber and rotates under the action of a main shaft and auxiliary shaft rotating mechanism, when the temperature inside the mould reaches 160-200 ℃, shock-resistant layer raw materials entering a lower mould are all melted, the melted shock-resistant layer raw materials are uniformly attached to the surface of a mould cavity under the action of the rotating mechanism, a discharging control mechanism of a foaming material storage barrel is opened, the foaming layer raw materials in the foaming material storage barrel flow into the lower mould, the temperature of the mould is reduced by 40-50 ℃, then the heating chamber continuously heats the mould, when the temperature inside the mould reaches 120-180 ℃, the foaming layer is attached to the surface of the formed shock-resistant layer, the foaming layer raw materials finish a foaming process to form a foaming layer, the discharging control mechanism of an inner lining material storage barrel is opened, an inner lining layer raw material in the inner lining material storage barrel flows into the lower mould, the temperature of the mould is reduced by 40-50 ℃, then, continuously heating the mold until the temperature in the mold reaches 120-160 ℃, and attaching the inner liner layer to the surface of the formed foaming layer to complete the forming of the inner liner layer;
3) and (3) a cooling stage: stopping heating the mold when the mold leaves the heating chamber, rotating the mold under the action of the rotating mechanism to slowly solidify the molten raw materials in the mold, and stopping cooling after the temperature in the mold is reduced to 90-120 ℃, so that a composite layer structure of an impact-resistant layer, a foaming layer and an inner liner layer from outside to inside is formed in the mold cavity;
4) and (3) demolding: and stopping the rotating mechanism, dismounting a locking nut between the locking upper die cover and the lower die, opening the upper die cover, taking out the formed box body from the lower die, and forming a box body structure through shaping, trimming and cutting.
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| CN201810156312.XA CN108381837B (en) | 2018-02-24 | 2018-02-24 | Small container structure, box body processing mold, system and method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762684A (en) * | 2004-10-20 | 2006-04-26 | 广东科龙电器股份有限公司 | Refrigerator chamber production method |
| CN102601905A (en) * | 2012-03-29 | 2012-07-25 | 温岭市旭日滚塑科技有限公司 | Three-layer plastic automobile shell and rotational molding process of three-layer plastic automobile shell |
| CN104802354A (en) * | 2015-05-18 | 2015-07-29 | 温岭市旭日滚塑科技有限公司 | Rotational molding secondary feeding device and rotational molding die |
| CN107323878A (en) * | 2017-06-29 | 2017-11-07 | 福建赛特新材股份有限公司 | A kind of manufacture method of cold chain heat insulation box and cold chain heat insulation box |
-
2018
- 2018-02-24 CN CN201810156312.XA patent/CN108381837B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762684A (en) * | 2004-10-20 | 2006-04-26 | 广东科龙电器股份有限公司 | Refrigerator chamber production method |
| CN102601905A (en) * | 2012-03-29 | 2012-07-25 | 温岭市旭日滚塑科技有限公司 | Three-layer plastic automobile shell and rotational molding process of three-layer plastic automobile shell |
| CN104802354A (en) * | 2015-05-18 | 2015-07-29 | 温岭市旭日滚塑科技有限公司 | Rotational molding secondary feeding device and rotational molding die |
| CN107323878A (en) * | 2017-06-29 | 2017-11-07 | 福建赛特新材股份有限公司 | A kind of manufacture method of cold chain heat insulation box and cold chain heat insulation box |
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Denomination of invention: A small container structure, box processing mold, system, and method Effective date of registration: 20231114 Granted publication date: 20210720 Pledgee: Bank of China Limited Yantai Laishan sub branch Pledgor: YANTAI FANGDA ROTATIONAL MOLDING Co.,Ltd. Registration number: Y2023980065699 |
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