CN113650220A - Foaming mold for refrigerator production and processing technology thereof - Google Patents
Foaming mold for refrigerator production and processing technology thereof Download PDFInfo
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- CN113650220A CN113650220A CN202110922123.0A CN202110922123A CN113650220A CN 113650220 A CN113650220 A CN 113650220A CN 202110922123 A CN202110922123 A CN 202110922123A CN 113650220 A CN113650220 A CN 113650220A
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- die holder
- lower die
- foaming
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- 238000005187 foaming Methods 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 title claims abstract description 15
- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000006911 nucleation Effects 0.000 claims description 4
- 238000010899 nucleation Methods 0.000 claims description 4
- 239000012047 saturated solution Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000003892 spreading Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims 2
- 238000003466 welding Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/35—Component parts; Details or accessories
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/442—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with mechanical ejector or drive means therefor
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
- B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of refrigerator production, in particular to a foaming mold for refrigerator production and a processing technology thereof. After the foaming of the mold is finished, the third air cylinder is started under the control of the electric cabinet, so that the push plate pushes the plastic part on the jacking plate into the conveying belt, and subsequent workers can directly inject materials into the lower mold base, thereby realizing the continuity of the foaming of the mold and improving the production efficiency of the refrigerator.
Description
Technical Field
The invention relates to the technical field of refrigerator production, in particular to a foaming mold for refrigerator production and a processing technology thereof.
Background
The refrigerator is a refrigerating device for keeping constant low temperature, and is a civil product for keeping food or other articles in a constant low-temperature cold state. The refrigerator body is internally provided with a cabinet or a box frozen by a compressor and an ice maker and a storage box with a refrigerating device.
Chinese patent No. CN212736796U provides a foaming mold for producing a refrigerator flat plate, comprising a bottom plate, supporting legs, a mold assembly and a closing plate assembly, wherein, the mold assembly is arranged to push a push plate upwards after foaming is finished, and a top rod pushes a top plate to move upwards, so that a foamed product is ejected through the top plate, thereby facilitating the taking out of the foamed product, and the top plate is matched with the foamed product in size, thereby avoiding the damage of the top plate to the foamed product during ejection and improving the production quality of the foamed product; the setting of shrouding subassembly, the fixed plate is convenient for carry on being connected between shrouding and the template, and when the shrouding sealed the die cavity, the leak protection board inlayed the top in the die cavity is inside, forms good sealed in the junction of template and shrouding, and foaming resin appears leaking from the junction of template and shrouding when avoiding foaming phenomenon, prevents the waste of resource, reduces the manufacturing cost of foaming product.
At present, the production of current refrigerator foaming mould is discontinuous, influences the efficiency of refrigerator production, and simultaneously, current refrigerator foaming mould has received the inside influence of remaining air of mould when foaming for the quality of foaming plastic part receives the influence, consequently needs urgent research and development a refrigerator production is with foaming mould and processing technology thereof.
Disclosure of Invention
The invention aims to provide a foaming mold for refrigerator production and a processing technology thereof, and aims to solve the problems that the existing foaming mold for refrigerators in the background art is discontinuous in production and plastic parts are easily affected by residual air in the mold during foaming.
The technical scheme of the invention is as follows: a foaming mould for refrigerator production comprises a workbench, wherein supporting rods are arranged on the outer wall of the top of the workbench close to four corners through bolts, a top plate is arranged at the top ends of the supporting rods through bolts, wherein a supporting plate is arranged between two adjacent supporting rods through bolts, a groove is arranged on the outer wall of one side of the supporting plate, two slide rails are arranged on the outer wall of one side of the supporting plate close to the groove through bolts, a third cylinder is arranged on the outer wall of one side of the supporting plate through bolts, and the output end of the third cylinder is provided with a push plate which is connected with the outside of the slide rail and the inside of the groove in a sliding way through bolts, the two sides of the outer wall of the top part of the workbench are both provided with bracket plates through bolts, and a winding drum is arranged between the two support plates through bolts, a conveying belt is sleeved outside the winding drum, and a support plate is arranged between the other two support rods through a bolt, and an electric cabinet is arranged on the outer wall of one side of the support plate through a bolt.
Further, a cylinder is installed through the bolt in roof top outer wall center department, and the output of a cylinder installs the card lid through the bolt, the draw-in groove has been seted up on the one side outer wall that uncaps.
Furthermore, the center of the inner wall of the top of the clamping cover is welded with a pressing block, an installation groove is formed in one side of the outer wall of the bottom of the pressing block, and a slot communicated with the installation groove is formed in one side of the outer wall of the top of the clamping cover.
Furthermore, the inserting groove has all been seted up to mounting groove top inner wall both sides, and the inside electro-magnet of installing through the bolt of inserting groove, the spring of noose on the electro-magnet is all installed through the bolt in mounting groove top inner wall both sides, and the spring bottom installs the jet-propelled dish that contacts each other with the electro-magnet through the bolt.
Furthermore, a vacuum pump is installed on one side of the outer wall of the top plate through a bolt, a telescopic pipe inserted in the slot is installed on an air inlet of the vacuum pump through a bolt, and the bottom end of the telescopic pipe is inserted in the outer wall of the top of the air injection disc.
Further, the lower die holder is installed at the center of the outer wall of the top of the workbench through a bolt, a clamping groove is formed in the outer wall of the side face of the lower die holder close to the top, and the clamping cover is clamped inside the clamping groove.
Further, the inner wall of the side face of the lower die holder is close to the top and provided with a placing groove, the air bag cushion is bonded inside the placing groove, and an air inlet pipe extending to the inside of the air bag cushion is inserted into the inner wall of one side of the clamping groove.
Furthermore, a cold water cavity is formed in the lower die holder, two water pipes which are distributed in an up-down structure are inserted into the outer wall of one side of the lower die holder, and the water pipes are communicated with the cold water cavity.
Furthermore, a mounting groove is formed in the inner wall of the bottom of the lower die holder, a second cylinder is mounted on the outer wall of the bottom of the workbench through a bolt, and a jacking plate clamped inside the mounting groove is mounted at the output end of the second cylinder through a bolt.
A processing technology of a foaming mold for refrigerator production comprises the following steps:
s1, mixing materials: pouring foaming materials required by a refrigerator foaming mould into mixing equipment according to processing requirements in proportion, and then starting the mixing equipment to stir and mix the materials;
s2, pouring a mold: pouring the prepared foamable resin material into the lower die base, and flatly paving the material in the lower die base;
s3, buckling and exhausting: when materials are poured into the lower die holder and heated, the first air cylinder is started to enable the position of the clamping cover to be lowered, the pressing block can be inserted into the lower die holder, meanwhile, the clamping cover can be clamped in the clamping groove, meanwhile, after the clamping cover is clamped, the air pump connected with the air inlet pipe can be started, the air bag cushion is expanded, the sealing performance between the pressing block and the lower die holder is improved, and then the vacuum pump is started, so that air in the lower die holder flows out of the lower die holder through the air injection disc and the telescopic pipe;
s4, heating and foaming: when the last step of exhaust is finished, the electromagnet is started, so that the air injection disc is adsorbed by the electromagnet, the condition that the air injection disc influences the foaming of the mold is avoided, then the heating structure on the lower die base is started, the heating structure heats the material in the lower die base to be heated and melted to form a gas-liquid saturated solution, a large number of micro bubble nuclei are formed through the nucleation effect, the bubble nuclei are increased to form a foamed plastic part, after the material is heated to a set time, water can be added into the cold water cavity through one of the water pipes, the foamed plastic part of the lower die base is cooled, and meanwhile, the water after heat exchange flows out of the lower die base through the other water pipe;
s5, demolding and conveying: after later moulding a foaming, start cylinder and No. two cylinders for the card lid rises with the jack-up board together, make the good piece of moulding of foaming can be pushed out the die holder by the jack-up board, then restart No. three cylinders, make the push pedal slide in the slide rail outside, make mould on the jack-up board to be pushed to the conveyer belt, then mould the piece and can be transported to next process along with the conveyer belt, this equipment repeats above-mentioned step foaming once more simultaneously.
The invention provides a foaming mould for refrigerator production and a processing technology thereof through improvement, compared with the prior art, the foaming mould has the following improvement and advantages:
(1) according to the push plate and the conveying belt designed by the invention, after the foaming of the mold is finished, the third air cylinder is started under the control of the electric cabinet, so that the push plate pushes the plastic part on the jacking plate into the conveying belt, and the follow-up workers can directly inject materials into the lower mold base, so that the continuity of the foaming of the mold is realized, and the production efficiency of the refrigerator is improved.
(2) When the vacuum pump designed by the invention is used, the vacuum pump pumps air in the lower die holder out of the lower die holder through the telescopic pipe and the air injection disc, and meanwhile, the vacuum pump continues to work during foaming, so that the air generated during foaming of the lower die holder can be discharged out of the lower die holder through the micro-pores at the bottom of the air injection disc clamped in the mounting groove.
(3) According to the second cylinder and the jacking plate designed by the invention, after the foaming of the foaming mold is finished, the second cylinder can be started, so that the jacking plate can eject the foamed plastic part in the lower mold base, the mold is convenient to demold, and the plastic part can be conveniently pushed into a conveying belt by a subsequent pushing plate.
(4) When the air bag cushion designed by the invention is foamed by using the foaming mould, a worker can connect the external air pump and the air inlet pipe together and then start the air pump to inflate the air bag cushion, so that the sealing property between the pressing block and the lower die seat is improved.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic view of a portion of the table of the present invention;
FIG. 3 is a schematic view of the back side of the inventive workbench;
FIG. 4 is a side view of the lower die holder of the present invention;
FIG. 5 is a cross-sectional view of the cartridge and compact configuration of the present invention;
FIG. 6 is a control flow diagram of the present invention;
FIG. 7 is a process flow diagram of the present invention.
Description of reference numerals:
1 workstation, 2 branch, 3 roof, 4 extension boards, 5 electric cabinets, No. 6 cylinders, 7 card covers, 8 draw-in grooves, 9 die holders, No. 10 cylinders, 11 vacuum pump, 12 fagging, 13 mounting panels, 14 conveyer belts, 15 reels, 16 resettlement groove, 17 gasbag pads, 18 intake pipe, 19 slide rails, 20 recesses, 21 push pedal, No. 22 cylinders, 23 cold water chamber, 24 water pipes, 25 mounting grooves, 26 jack-up plate, 27 briquetting, 28 slots, 29 resettlement groove, 30 flexible pipe, 31 inserting groove, 32 electro-magnet, 33 jet-propelled dish, 34 spring, 35 joint groove.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention provides a foaming mould for refrigerator production and a processing technology thereof by improvement, as shown in figures 1-6, the foaming mould comprises a workbench 1, supporting rods 2 are respectively arranged on the outer wall of the top of the workbench 1 close to four corners through bolts, the supporting rods 2 are convenient for mounting a top plate 3, the top ends of the supporting rods 2 are provided with the top plate 3 through bolts, a supporting plate 12 is arranged between two adjacent supporting rods 2 through bolts, a third cylinder 22 is convenient for mounting the supporting plate 12, a groove 20 is arranged on the outer wall of one side of the supporting plate 12, two sliding rails 19 are arranged on the outer wall of one side of the supporting plate 12 close to the groove 20 through bolts, the sliding rails 19 are convenient for guiding when a push plate 21 moves, the third cylinder 22 is arranged on the outer wall of one side of the supporting plate 12 through bolts, the type of the third cylinder 22 is preferably SC32, the power is convenient for providing power for the movement of the push plate 21, and the push plate 21 which is slidably connected with the outer part of the sliding rail 19 and the inner part of the groove 20 is arranged at the output end of the third cylinder 22 through bolts, push pedal 21 is convenient for push away conveyer belt 14 with moulding on the jacking plate 26, 1 top outer wall both sides of workstation all install mounting panel 13 through the bolt, and install reel 15 through the bolt between two mounting panel 13, reel 25 is convenient for install conveyer belt 14, reel 15 outside has cup jointed conveyer belt 14, conveyer belt 14 is convenient for carry by push pedal 21 propelling movement mould, install extension board 4 through the bolt between two other branch 2, and install electric cabinet 5 through the bolt on the outer wall of extension board 4 one side, electric cabinet 5 is convenient for control this equipment motion.
Further, a cylinder 6 is installed through the bolt in roof 3 top outer wall center department, and the preferred SC32 of a cylinder 6 model, and the card lid 7 motion of being convenient for position provides power, and a card lid 7 is installed through the bolt to cylinder 6's output, and card lid 7 cooperation joint groove 35 is convenient for improve the leakproofness between die holder 9 and the briquetting 27, uncaps and has seted up draw-in groove 8 on 7 one side outer wall.
Further, the center of the inner wall of the top of the clamping cover 7 is welded with a pressing block 27, the pressing block 27 is convenient to match with the lower die holder 9, so that materials can be foamed into corresponding shapes, an accommodating groove 29 is formed in one side of the outer wall of the bottom of the pressing block 27, an inserting groove 28 which is communicated with the accommodating groove 29 is formed in one side of the outer wall of the top of the clamping cover 7, and the inserting groove 28 is convenient for the telescopic pipe 30 to penetrate through the clamping cover 7 and the pressing block 27.
Further, inserting groove 31 has all been seted up to mounting groove 29 top inner wall both sides, and inserting groove 31 is inside installs electro-magnet 32 through the bolt, electro-magnet 32 is convenient for accomodate into inserting groove 31 with jet-propelled dish 33, spring 34 of noose on electro-magnet 32 is all installed through the bolt in mounting groove 29 top inner wall both sides, spring 34 is convenient for jet-propelled dish 33 when electro-magnet 32 cuts off the power supply and falls down from mounting groove 29 is inside, and spring 34 bottom is installed through the bolt and is taken out the jet-propelled dish 33 with electro-magnet 32 mutual contact, jet-propelled dish 33 is convenient for the air of vacuum pump 11 in with die holder 9 and is taken out, the micropore that is equidistant structure distribution is seted up to jet-propelled dish 33 bottom simultaneously, the gas flows out die holder 9 when being convenient for foaming.
Further, a vacuum pump 11 is installed on one side of the outer wall of the top plate 3 through a bolt, the type of the vacuum pump 11 is preferably EPDM + EPDM, so that gas in the lower die holder 9 can be conveniently pumped out, an air inlet of the vacuum pump 11 is provided with a telescopic pipe 30 inserted in the slot 28 through a bolt, the telescopic pipe 30 is convenient for communicating the vacuum pump 11 with an air injection disk 33, and the bottom end of the telescopic pipe 30 is inserted in the outer wall of the top of the air injection disk 33.
Further, 1 top outer wall center department of workstation installs die holder 9 through the bolt, and die holder 9 is convenient for cooperate briquetting 27 to provide the shape to moulding the foaming, and die holder 9 side outer wall is close to top department and has seted up joint groove 35, and joint groove 35 is convenient for 7 joints of card lid on die holder 9, and 7 joints of card lid are inside joint groove 35.
Further, the inner wall of the side of the lower die holder 9 is close to the top and is provided with a placing groove 16, the placing groove 16 is convenient for installing an airbag cushion 17, the airbag cushion 17 is bonded inside the placing groove 16, the airbag cushion 17 is inflated and expanded, the sealing performance between a pressing block and the 27 lower die holder 9 can be improved, an air inlet pipe 18 extending to the inside of the airbag cushion 17 is spliced on the inner wall of one side of the clamping groove 35, and the air inlet pipe 18 is convenient for connecting the airbag cushion 17 with an air pump.
Further, cold water chamber 23 has been seted up to die holder 9 inside, and cold water chamber 23 is convenient for dispel the heat after the shaping of moulding in the die holder 9, and it has two water pipes 24 that are upper and lower structure distribution to peg graft on the outer wall of die holder 9 one side, and water pipe 24 is convenient for rivers and gets into business turn over cold water chamber 23, and water pipe 24 link up each other with cold water chamber 23.
Further, mounting groove 25 has been seted up on the inner wall of die holder 9 bottom, mounting groove 25 is convenient for accomodate jacking board 26 in die holder 9, avoid jacking board 26 to influence and mould a foaming, install No. two cylinders 10 through the bolt on the outer wall of workstation 1 bottom, No. two cylinders 10 models are preferred SC32, it provides power to be convenient for a jacking board 26 lift, and No. two cylinders 10's output is installed the joint at the inside jacking board 26 of mounting groove 25 through the bolt, jacking board 26 is convenient for mould a liftout with in the die holder 9 under No. two cylinders 10 effects.
A processing technology of a foaming mold for refrigerator production is shown in figure 7 and comprises the following steps:
s1, mixing materials: pouring foaming materials required by a refrigerator foaming mould into mixing equipment according to processing requirements in proportion, and then starting the mixing equipment to stir and mix the materials;
s2, pouring a mold: pouring the prepared foamable resin material into the lower die base 9, and flatly spreading the material in the lower die base 9;
s3, buckling and exhausting: when the materials are poured into the lower die holder 9 and heated, the first air cylinder 6 is started to enable the position of the clamping cover 7 to descend, the pressing block 27 can be inserted into the lower die holder 9, meanwhile, the clamping cover 7 can be clamped in the clamping groove 35, meanwhile, after the clamping cover 7 is clamped, the air pump connected with the air inlet pipe 18 can be started, the air bag cushion 17 is expanded, the sealing performance between the pressing block 27 and the lower die holder 9 is improved, and then the vacuum pump 11 is started, so that the air in the lower die holder 9 flows out of the lower die holder 9 through the air injection disc 33 and the telescopic pipe 30;
s4, heating and foaming: when the last step of exhaust is finished, the electromagnet 32 is started, so that the air injection disc 33 is adsorbed by the electromagnet 32, the influence of the air injection disc 33 on the foaming of the mold is avoided, then the heating structure on the lower die holder 9 is started, the heating structure heats the material in the lower die holder 9, the material is heated and melted to form a gas-liquid saturated solution, a large number of micro bubble nuclei are formed through nucleation, the bubble nuclei grow to form a foamed plastic part, after the material is heated to a set time, water is added into the cold water cavity 23 through one of the water pipes 24, the foamed plastic part on the lower die holder 9 is cooled, and meanwhile, the water after heat exchange flows out of the lower die holder 9 through the other water pipe 24;
s5, demolding and conveying: after the plastic part is foamed, the first air cylinder 6 and the second air cylinder 10 are started, the clamping cover 7 and the jacking plate 26 are lifted together, the foamed plastic part can be ejected out of the lower die holder 9 by the jacking plate 26, then the third air cylinder 22 is started again, the push plate 21 slides outside the slide rail 19, the plastic part on the jacking plate 26 is pushed onto the conveying belt 14, then the plastic part can be conveyed to the next procedure along with the conveying belt 14, and meanwhile, the device repeats the steps for foaming again.
The working principle is as follows: s1, mixing materials: pouring foaming materials required by a refrigerator foaming mould into mixing equipment according to processing requirements in proportion, and then starting the mixing equipment to stir and mix the materials; s2, pouring a mold: pouring the prepared foamable resin material into the lower die base 9, and flatly spreading the material in the lower die base 9; s3, buckling and exhausting: when the materials are poured into the lower die holder 9 and heated, the first air cylinder 6 is started to enable the position of the clamping cover 7 to descend, the pressing block 27 can be inserted into the lower die holder 9, meanwhile, the clamping cover 7 can be clamped in the clamping groove 35, meanwhile, after the clamping cover 7 is clamped, the air pump connected with the air inlet pipe 18 can be started, the air bag cushion 17 is expanded, the sealing performance between the pressing block 27 and the lower die holder 9 is improved, and then the vacuum pump 11 is started, so that the air in the lower die holder 9 flows out of the lower die holder 9 through the air injection disc 33 and the telescopic pipe 30; s4, heating and foaming: when the last step of exhaust is finished, the electromagnet 32 is started, so that the air injection disc 33 is adsorbed by the electromagnet 32, the influence of the air injection disc 33 on the foaming of the mold is avoided, then the heating structure on the lower die holder 9 is started, the heating structure heats the material in the lower die holder 9, the material is heated and melted to form a gas-liquid saturated solution, a large number of micro bubble nuclei are formed through nucleation, the bubble nuclei grow to form a foamed plastic part, after the material is heated to a set time, water is added into the cold water cavity 23 through one of the water pipes 24, the foamed plastic part on the lower die holder 9 is cooled, and meanwhile, the water after heat exchange flows out of the lower die holder 9 through the other water pipe 24; s5, demolding and conveying: after the plastic part is foamed, the first air cylinder 6 and the second air cylinder 10 are started, the clamping cover 7 and the jacking plate 26 are lifted together, the foamed plastic part can be ejected out of the lower die holder 9 by the jacking plate 26, then the third air cylinder 22 is started again, the push plate 21 slides outside the slide rail 19, the plastic part on the jacking plate 26 is pushed onto the conveying belt 14, then the plastic part can be conveyed to the next procedure along with the conveying belt 14, and meanwhile, the device repeats the steps for foaming again.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a refrigerator production is with foaming mould which characterized in that: comprises a workbench (1), wherein the outer wall of the top of the workbench (1) close to four corners is provided with support rods (2) through bolts, the top ends of the support rods (2) are provided with a top plate (3) through bolts, a support plate (12) is arranged between two adjacent support rods (2) through bolts, a groove (20) is formed in the outer wall of one side of the support plate (12), two slide rails (19) are arranged at the position of the outer wall of one side of the support plate (12) close to the groove (20) through bolts, a third cylinder (22) is arranged on the outer wall of one side of the support plate (12) through bolts, the output end of the third cylinder (22) is provided with a push plate (21) which is connected with the outer part of the slide rail (19) and the inner part of the groove (20) in a sliding manner through bolts, support plates (13) are arranged on two sides of the outer wall of the top of the workbench (1) through bolts, and a winding drum (15) is arranged between the two support plates (13) through bolts, the conveying belt (14) is sleeved outside the winding drum (15), the supporting plates (4) are mounted between the supporting rods (2) through bolts, and the electric cabinet (5) is mounted on the outer wall of one side of each supporting plate (4) through bolts.
2. The foaming mold for producing the refrigerator according to claim 1, wherein: a cylinder (6) is installed through the bolt in roof (3) top outer wall center department, and the output of a cylinder (6) installs card lid (7) through the bolt, draw-in groove (8) have been seted up on uncapping (7) one side outer wall.
3. The foaming mold for producing the refrigerator according to claim 2, wherein: the welding of card lid (7) top inner wall center department has briquetting (27), mounting groove (29) have been seted up to briquetting (27) bottom outer wall one side, card lid (7) top outer wall one side is seted up slot (28) that link up each other with mounting groove (29).
4. The foaming mold for producing the refrigerator according to claim 3, wherein: inserting grooves (31) have all been seted up to mounting groove (29) top inner wall both sides, and electromagnet (32) are installed through the bolt to inserting grooves (31) inside, spring (34) of noose on electromagnet (32) are all installed through the bolt to mounting groove (29) top inner wall both sides, and spring (34) bottom installs through the bolt and has the jet-propelled dish (33) of contacting each other with electromagnet (32).
5. The foaming mold for producing the refrigerator according to claim 4, wherein: a vacuum pump (11) is installed on one side of the outer wall of the top plate (3) through a bolt, an expansion pipe (30) inserted in the slot (28) is installed on an air inlet of the vacuum pump (11) through a bolt, and the bottom end of the expansion pipe (30) is inserted in the outer wall of the top of the air injection disc (33).
6. The foaming mold for producing the refrigerator according to claim 2, wherein: the die holder (9) is installed through the bolt in workstation (1) top outer wall center department, and die holder (9) side outer wall is close to top department and has seted up joint groove (35), joint is inside in joint groove (35) in card lid (7).
7. The foaming mold for producing the refrigerator according to claim 6, wherein: lower die holder (9) side inner wall is close to top department and has seted up arrangement groove (16), and the inside gasbag pad (17) that bonds of arrangement groove (16), it has intake pipe (18) that extend to gasbag pad (17) inside to peg graft on joint groove (35) one side inner wall.
8. The foaming mold for producing the refrigerator according to claim 6, wherein: the cold water cavity (23) is formed in the lower die holder (9), two water pipes (24) which are distributed in an up-down structure are inserted into the outer wall of one side of the lower die holder (9), and the water pipes (24) are communicated with the cold water cavity (23).
9. The foaming mold for producing the refrigerator according to claim 6, wherein: mounting groove (25) have been seted up on die holder (9) bottom inner wall, install No. two cylinder (10) through the bolt on workstation (1) bottom outer wall, and the jack-up board (26) of joint in mounting groove (25) inside are installed through the bolt to the output of No. two cylinder (10).
10. A processing technology of a foaming mold for refrigerator production is characterized in that: the method comprises the following steps:
s1, mixing materials: pouring foaming materials required by a refrigerator foaming mould into mixing equipment according to processing requirements in proportion, and then starting the mixing equipment to stir and mix the materials;
s2, pouring a mold: pouring the prepared foamable resin material into the lower die base (9), and flatly spreading the material in the lower die base (9);
s3, buckling and exhausting: when the materials are poured into the interior of the lower die holder (9) and heated, the first air cylinder (6) is started to enable the position of the clamping cover (7) to descend, so that the pressing block (27) can be inserted into the interior of the lower die holder (9), meanwhile, the clamping cover (7) can be clamped in the clamping groove (35), and meanwhile, after the clamping cover (7) is clamped, the air pump connected with the air inlet pipe (18) can be started, so that the air bag cushion (17) expands, and therefore the sealing performance between the pressing block (27) and the lower die holder (9) is improved, and then the vacuum pump (11) is started, so that the air in the interior of the lower die holder (9) flows out of the lower die holder (9) through the air injection disc (33) and the telescopic pipe (30);
s4, heating and foaming: when the last step of exhaust is finished, the electromagnet (32) is started, so that the air injection disc (33) is adsorbed by the electromagnet (32), the condition that the air injection disc (33) influences the foaming of the mold is avoided, then the heating structure on the lower die holder (9) is started, the heating structure heats the material in the lower die holder (9), the material is heated and melted to form a gas-liquid saturated solution, a large number of micro bubble nuclei are formed through nucleation, the bubble nuclei grow to form a foam plastic part, after the material is heated to a set time, water is added into the cold water cavity (23) through one of the water pipes (24), so that the foam plastic part of the lower die holder (9) is cooled, and meanwhile, the water after heat exchange flows out of the lower die holder (9) through the other water pipe (24);
s5, demolding and conveying: after the plastic part is foamed, the first air cylinder (6) and the second air cylinder (10) are started, the clamping cover (7) and the jacking plate (26) are lifted together, the foamed plastic part can be ejected out of the lower die holder (9) by the jacking plate (26), then the third air cylinder (22) is started again, the pushing plate (21) slides outside the sliding rail (19), the plastic part on the jacking plate (26) is pushed onto the conveying belt (14), then the plastic part can be conveyed to the next procedure along with the conveying belt (14), and meanwhile the equipment repeats the steps for foaming again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110922123.0A CN113650220A (en) | 2021-08-12 | 2021-08-12 | Foaming mold for refrigerator production and processing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110922123.0A CN113650220A (en) | 2021-08-12 | 2021-08-12 | Foaming mold for refrigerator production and processing technology thereof |
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| CN113650220A true CN113650220A (en) | 2021-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117549476A (en) * | 2024-01-11 | 2024-02-13 | 烟台市永盛密封科技有限公司 | Polypropylene product foaming device and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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