CN117245832B - Foam molding machine for foam production - Google Patents

Foam molding machine for foam production Download PDF

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Publication number
CN117245832B
CN117245832B CN202311421513.5A CN202311421513A CN117245832B CN 117245832 B CN117245832 B CN 117245832B CN 202311421513 A CN202311421513 A CN 202311421513A CN 117245832 B CN117245832 B CN 117245832B
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China
Prior art keywords
cavity
inner cavity
piston cylinder
die
fixedly connected
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CN202311421513.5A
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Chinese (zh)
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CN117245832A (en
Inventor
张开秀
谢红芳
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Suzhou Fuhe Chuangxing Automobile Technology Co ltd
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Suzhou Fuhe Chuangxing Automobile Technology Co ltd
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Priority to CN202311421513.5A priority Critical patent/CN117245832B/en
Publication of CN117245832A publication Critical patent/CN117245832A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02Shaping 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/56Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/58Applying the releasing agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/35Component parts; Details or accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/38Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/421Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum by plastizising the material into a shot cavity and injecting using a plunger
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/58Moulds

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention belongs to the technical field of foam production, and discloses a foam molding machine for foam production, which comprises an upper die, a lower die and a supporting frame, wherein four corners inside the upper die are movably connected with a piston cylinder and a first piston rod, an inner cavity at the top of the piston cylinder is movably connected with a hollow piston column, and the outer surface of the piston cylinder is sleeved with a first spring and a sealing corrugated sleeve. According to the invention, through the cooperation among the structures such as the piston cylinder, the first piston rod, the sealing ball, the hollow piston column and the like, the device has the effect of spraying the anti-sticking agent on the die rapidly, and the upper die is moved upwards by operating the electric hydraulic rod, so that the hollow piston column pushes the piston cylinder to move downwards, and meanwhile, the anti-sticking agent in the first cavity is extruded by the gas in the piston cylinder and the inner cavity of the first communication pipe and is sprayed out instantly through the bottom of the spraying pipe orifice, so that the side wall of the inner cavity of the upper die and the top of the inner cavity are sprayed.

Description

Foam molding machine for foam production
Technical Field
The invention belongs to the technical field of foam production, and particularly relates to a foam molding machine for foam production.
Background
The foam needs the processes of heating foaming, cooling shaping and the like in the production process, and has good stability, heat insulation, elasticity and wear resistance, so the foam is widely applied in life, such as various shoes, various exercise mats and the like.
At present, when people foam the foam, the foam is often put into a lower die, the upper die and the lower die are sealed by the lower upper die, the pressure is applied to the dies, and the temperature is increased to 130-150 ℃ at the same time, so that the foam molding effect is achieved.
The Chinese patent with the application number of CN202210019843.0 discloses a novel EVA foam foaming forming machine, which comprises a forming system, wherein the forming system comprises a bottom plate and a top plate, the bottom plate is connected with the top plate through a plurality of first supporting frames, a plurality of templates are arranged between the top plate and the bottom plate, each template comprises a plate body and a plurality of movable plates fixedly connected with the plate body, the bottom end template is fixedly connected with the bottom plate through a plurality of second supporting frames, a first hydraulic cylinder is arranged at the top plate, and a movable end of the first hydraulic cylinder is provided with a first pressing plate capable of driving the top end template to move downwards; a first guide rod is connected between each movable plate of the bottom end template and the top plate, the movable plates of the top end template and the movable plates of all the middle templates are penetrated by the first guide rod, and a first spring penetrated by the first guide rod is arranged between two adjacent movable plates on the same first guide rod; the plate body of the template is internally provided with a heating unit. The foaming shaping machine can well realize foaming shaping of EVA foam.
In order to prevent foam materials from adhering inside a mold, people often spray anti-sticking agents into the mold when foam is added every time, but such a mode can consume manpower to spray the anti-sticking agents on the mold independently, meanwhile, along with long-time work of people, the speed of spraying the anti-sticking agents can be reduced, and further, the foaming molding efficiency of the device on foam can be reduced while manpower waste is caused, so that the foaming molding machine for foam production is provided, and the problem in the background art is solved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a foaming molding machine for producing foam, which solves the problem that the efficiency of foaming is affected due to low efficiency of spraying an anti-sticking agent in a die.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a foam make-up machine for foam production, includes mould, bed die and support frame, the equal swing joint in four corners of going up the inside of mould has piston cylinder and first piston rod, the inner chamber swing joint at piston cylinder top has hollow piston cylinder, first spring and sealed ripple sleeve have been cup jointed to the surface of piston cylinder, first cavity has been seted up at the middle part of first piston rod, the inner chamber fixedly connected with extension spring of piston cylinder one side is kept away from to first piston rod, the equal swing joint of upper anti-sticking agent storage chamber one side has all been seted up in the inside four corners department of mould, the inner chamber swing joint connecting pipe of upper anti-sticking agent storage chamber one side is kept away from at piston cylinder top, first connecting pipe has been seted up to the middle part annular equiangular degree of piston cylinder, the top fixedly connected with second spring of piston cylinder middle part inner chamber, the bottom fixedly connected with sealing ball of second spring, the second cavity has been seted up at the middle part of piston cylinder, the bottom annular degree of second cavity has been seted up the jet orifice, the top fixedly connected with electronic hydraulic stem of support frame, the equal swing joint has auxiliary spraying mechanism of electric hydraulic stem in four corners of lower mould inner chamber, auxiliary spraying mechanism is kept away from the equal swing joint of side of auxiliary hydraulic stem one side of mould.
Preferably, the auxiliary spraying mechanism comprises a cylindrical barrel, a vertical pipeline and a third communicating pipe, wherein a limiting piston rod is movably connected to the inner cavity of the cylindrical barrel, a bending communicating pipe is arranged at the annular equal angle of the upper part of the inner cavity of the cylindrical barrel, a first corrugated pipe is fixedly connected to the annular equal angle of the top of the outer surface of the limiting piston rod, a third spring is sleeved on the outer surface of the limiting piston rod, a check valve and a second corrugated pipe are fixedly connected to two sides of the bottom of the inner cavity of the cylindrical barrel respectively, a lower anti-sticking agent storage cavity positioned in the lower die is arranged on one side, close to an electric hydraulic rod, of the cylindrical barrel, a worker-shaped sealing column positioned below the lower anti-sticking agent storage cavity is movably connected to the inner cavity of the lower die, a second communicating pipe and a fourth communicating pipe are respectively arranged at the top and the bottom of the worker-shaped sealing column, one side, away from the cylindrical barrel, of the worker-shaped sealing column is fixedly connected with a first elastic sheet, the inner cavity of the lower die is movably connected with a clamping block positioned between the cylindrical barrel and the worker-shaped sealing column, one side of the upper surface of the clamping block is fixedly connected with a second elastic sheet, and the inside of the lower die is fixedly connected with the elastic sheet.
Preferably, the connecting mechanism comprises a sleeve block, an inner rod is movably connected to an inner cavity of the sleeve block, a fourth spring is sleeved on the outer surface of the inner rod, a first contact block and a second contact block are sleeved on the top and the bottom of the outer surface of the sleeve block respectively, a fifth spring is fixedly connected to the bottom of the second contact block, and a connecting limiting rod is fixedly connected to the bottom of one side, close to the auxiliary spraying mechanism, of the sleeve block.
Preferably, the top and the bottom of first spring are respectively with piston cylinder and last mould fixed connection, the top of hollow piston post runs through the top of piston cylinder and with the cooperation extrusion of support frame, first piston rod is located the outside one side of piston cylinder, first cavity and the one end cooperation intercommunication of last anti-sticking agent storage cavity bottom, the one end and the last mould fixed connection of piston cylinder are kept away from to the extension spring, the one end and the inner chamber intercommunication of last mould of piston cylinder are kept away from to the connecting pipe, the bottom and the lower mould fixed connection of support frame.
Preferably, both ends of first connecting pipe respectively with the inner chamber and the second cavity intercommunication of last mould, sealed ball's lower surface is located the inside of second cavity, works as when the surface of first piston rod and the inner chamber cooperation joint of second cavity, the inner chamber intercommunication of the last mould that spray nozzle and piston tube place are located through first cavity and first connecting pipe, the both ends that spray nozzle kept away from each other are respectively towards horizontal direction and oblique ascending direction, sealed corrugated sleeve's top and bottom respectively with piston tube and last mould fixed connection, the one end of electronic hydraulic stem bottom runs through the support frame and with last mould top fixed connection, the top of lower mould cooperatees with the bottom of last mould, the diameter of first cavity is less than sealed ball, and the top and the bottom at both ends all are provided with the arch around the first cavity.
Preferably, the bottom and the bed die fixed connection of spacing piston rod, the top of spacing piston rod surface will buckle the one end of communicating pipe top and block up, the one end and the inner chamber intercommunication on cylinder upper portion of communicating pipe bottom buckle, the one end at first bellows top communicates with the one end of communicating pipe bottom buckling, the one end and the inner chamber intercommunication at spacing piston rod top of first bellows bottom, the one end and the inner chamber intercommunication of fourth communicating pipe place bed die of second bellows bottom, the top and the bottom of third spring respectively with spacing piston rod and cylinder fixed connection.
Preferably, the top of lower anti-sticking agent storage cavity inner chamber is provided with sealed lid, the one end and the second communicating pipe intercommunication of lower anti-sticking agent storage cavity bottom, the inside at the bed die is seted up to the vertical line, the top and the bottom of vertical line communicate with second communicating pipe bottom and the inner chamber of worker's shape seal post respectively, the one end and the bed die fixed connection of worker's shape seal post are kept away from to first shell fragment, the bottom and the inner chamber fixed connection of bed die of second bellows surface.
Preferably, the third communicating pipe is communicated with the vertical pipeline through the inner cavity at the bottom of the I-shaped sealing column, one end at the bottom of the fourth communicating pipe is matched with one end, close to the first elastic sheet, of the third communicating pipe, one end at the top of the fourth communicating pipe is communicated with the inner cavity below the cylindrical barrel through the second corrugated pipe, one end, far away from the first elastic sheet, of the third communicating pipe is communicated with the inner cavity at the bottom of the limiting piston rod, the top and the bottom of the one-way valve are respectively an output port and an input port, and one end at the bottom of the one-way valve is communicated with the outside through the inner cavity of the lower die.
Preferably, one end of the bottom of the clamping block is in an inclined plane shape, one end of the bottom of the clamping block is connected with the inner cavity of the top of the I-shaped sealing column in a clamping mode, a bulge is arranged on one side, close to the cylindrical barrel, of the top of the clamping block, a bulge is also arranged on the bottom, close to one side of the clamping block, of the cylindrical barrel, and the bulge are matched and extruded.
Preferably, one end and the last mould fixed connection at interior pole top, the top and the bottom of fourth spring are respectively with sleeve piece and interior pole fixed connection, the surface and the bed die fixed connection of first contact piece, the surface and the inner chamber cooperation joint of sleeve piece bottom of second contact piece, the one end and the sleeve piece fixed connection of fifth spring bottom, the inner chamber activity joint of connection gag lever post and bed die, the one end and one side fixed connection of cylinder barrel bottom of connecting the gag lever post and keeping away from the sleeve piece.
Compared with the prior art, the invention has the following beneficial effects:
According to the invention, through the cooperation among the structures such as the piston cylinder, the first piston rod, the sealing ball, the hollow piston column and the like, the device has the effect of rapidly spraying the anti-sticking agent on the die, the electric hydraulic rod is operated to enable the upper die to move upwards, so that the hollow piston column pushes the piston cylinder to move downwards, the pressure in the inner cavity of the first connecting pipe and the sealing ball is increased, when the second cavity is lowered to the same horizontal height of the first piston rod, the hollow piston column moves downwards to enable the pressure in the inner cavity of the connecting pipe to be reduced, the pressure in the second cavity 13 and the inner cavity of the upper die to be reduced, the first piston rod moves to a side far away from the tension spring, the second spring is extruded at one end of the top of the first cavity to exit the inner cavity, at the same time, the inner cavity of the piston cylinder is communicated with the injection pipe through the first cavity, and the anti-sticking agent in the inner cavity of the first cavity is extruded by the gas of the piston cylinder and the first connecting pipe and is instantaneously sprayed out through the bottom of the injection pipe, and the side wall of the inner cavity of the upper die is sprayed;
According to the invention, through the cooperation among the structures such as the cylindrical barrel, the bent communicating pipe, the I-shaped sealing column, the clamping block and the like, the device has the function of spraying the anti-sticking agent on the bottom of the piston barrel, the protrusion on the bottom of the cylindrical barrel contacts with the protrusion on the clamping block and extrudes the clamping block to move upwards, so that one end of the bottom of the clamping block is free from the clamping of the I-shaped sealing column, the I-shaped sealing column is pushed to move towards one side close to the first elastic piece, one end of the bottom of the fourth communicating pipe is communicated with one end of the third communicating pipe close to the first elastic piece, at the moment, the anti-sticking agent in the third communicating pipe enters the inner cavity of the limiting piston rod through one end of the third communicating pipe far from the first elastic piece and enters the inside of the bent communicating pipe through the first corrugated pipe, and finally the anti-sticking agent is sprayed obliquely upwards in a crossing way through the top of the bent communicating pipe, so that the anti-sticking agent is sprayed to the bottom of the lower die and the spraying operation of the anti-sticking agent at the bottom of the lower die is finished;
According to the invention, through the cooperation among the sleeve block, the inner rod, the connecting limiting rod, the fourth spring and other structures, the device has the effect of quickly jacking foam, the upper die drives the inner rod to move upwards by operating the electric hydraulic rod, at the moment, the sleeve block moves upwards under the action of the elastic force of the fourth spring, and further drives the connecting limiting rod and the cylindrical barrel to move upwards, when the second contact block moves upwards and contacts with the first contact block, the electric hydraulic rod stops operating at the moment, the upper die is in an open state, and the rising of the cylindrical barrel jacks foam placed above the lower die, so that an operator can take out the foam quickly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic elevational, cross-sectional view of the present invention at the release agent storage chamber;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is an enlarged view at C in FIG. 2;
FIG. 6 is an exploded view of the support of the present invention;
FIG. 7 is an external view of the internal structure of the present invention;
FIG. 8 is an exploded view of the piston cartridge of the present invention;
FIG. 9 is an exploded view of the present invention at the check piston rod;
fig. 10 is an exploded view of the sleeve block of the present invention.
In the figure: 1. an upper die; 2. a piston cylinder; 3. a hollow piston column; 4. a first spring; 5. a first piston rod; 6. a first cavity; 7. a tension spring; 8. an upper anti-sticking agent storage cavity; 9. a connecting pipe; 10. a first communication pipe; 11. a second spring; 12. sealing the ball; 13. a second cavity; 14. a jet pipe orifice; 15. a lower die; 16. an auxiliary spraying mechanism; 161. a cylindrical barrel; 162. limiting a piston rod; 163. bending the communicating pipe; 164. a first bellows; 165. a third spring; 166. a lower anti-sticking agent storage cavity; 167. an I-shaped sealing column; 168. a first elastic sheet; 169. a second communicating pipe; 1610. a clamping block; 1611. a second spring plate; 1612. a third communicating pipe; 1613. a fourth communicating pipe; 1614. a second bellows; 1615. a one-way valve; 1616. a vertical pipe; 17. a connecting mechanism; 171. a sleeve block; 172. an inner rod; 173. a fourth spring; 174. a first contact block; 175. a second contact block; 176. a fifth spring; 177. connecting a limiting rod; 18. a support frame; 19. an electric hydraulic rod; 20. sealing the corrugated sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 10, the invention provides a foam molding machine for foam production, which comprises an upper die 1, a lower die 15 and a supporting frame 18, wherein four corners in the upper die 1 are movably connected with a piston cylinder 2 and a first piston rod 5, the inner cavity at the top of the piston cylinder 2 is movably connected with a hollow piston column 3, the outer surface of the piston cylinder 2 is sleeved with a first spring 4 and a sealing corrugated sleeve 20, the middle part of the first piston rod 5 is provided with a first cavity 6, the inner cavity of one side of the first piston rod 5 far away from the piston cylinder 2 is fixedly connected with a tension spring 7, four corners in the upper die 1 are provided with an upper anti-adhesive storage cavity 8, the inner cavity at one side of the top of the piston cylinder 2 far away from the upper anti-adhesive storage cavity 8 is movably connected with a connecting pipe 9, the middle annular degree of the piston cylinder 2 is provided with a first connecting pipe 10, the top of the inner cavity at the middle of the piston cylinder 2 is fixedly connected with a second spring 11, the bottom of the second spring 11 is fixedly connected with a sealing ball 12, the middle of the piston cylinder 2 is provided with a second cavity 13, the bottom annular degree of the second cavity 13 is provided with a spraying pipe orifice 14, the top of the supporting frame 18 is fixedly connected with an electric hydraulic rod 15, the top of the supporting frame is far away from one side of the electric hydraulic rod 16 is movably connected with an auxiliary hydraulic rod 16 far from one side of the upper die 19, and the electric hydraulic rod is movably connected with an auxiliary mechanism 16 far away from one side of the lower die 15; by operating the electric hydraulic rod 19, the upper die 1 moves upwards, so that the hollow piston rod 3 pushes the piston cylinder 2 to move downwards, the pressure in the inner cavities of the first communication pipe 10 and the sealing ball 12 is increased, when the second cavity 13 descends to the same horizontal height as the first piston rod 5, the hollow piston rod 3 moves downwards, so that the pressure in the inner cavity of the connecting pipe 9 is reduced, the pressure in the second cavity 13 and the pressure in the inner cavity of the upper die 1 are reduced, so that the first piston rod 5 moves to a side far away from the tension spring 7, one end of the top of the first cavity 6 is extruded into the second cavity 13, at the moment, the inner cavity of the piston cylinder 2 is communicated with the injection pipe orifice 14 through the first cavity 6, and simultaneously, the anti-adhesive in the inner cavity of the first cavity 6 is extruded by the gas of the piston cylinder 2 and the first communication pipe 10 and is instantaneously sprayed out through the bottom of the injection pipe orifice 14, so that the side wall of the inner cavity of the upper die 1 and the top of the inner cavity are sprayed;
What should be explained here is: when the device sprays the anti-sticking agent in the die, the device is after the foam is taken out, so that the device needs to operate the electric hydraulic rod 19 to drive the piston cylinder 2 to finish the paint spraying operation upwards when the device operates for the first time, and then the foam to be foamed is placed.
As shown in fig. 2, fig. 4, fig. 7 and fig. 9, the auxiliary spraying mechanism 16 comprises a cylindrical barrel 161, a vertical pipeline 1616 and a third communicating pipe 1612, wherein a limiting piston rod 162 is movably connected to the inner cavity of the cylindrical barrel 161, a bending communicating pipe 163 is annularly and equiangularly arranged at the upper part of the inner cavity of the cylindrical barrel 161, a first corrugated pipe 164 is fixedly connected to the top annular equiangular part of the outer surface of the limiting piston rod 162, a third spring 165 is sleeved on the outer surface of the limiting piston rod 162, a one-way valve 1615 and a second corrugated pipe 1614 are fixedly connected to the two sides of the bottom of the inner cavity of the cylindrical barrel 161 respectively, a lower anti-sticking agent storage cavity 166 positioned in the lower die 15 is arranged at one side of the cylindrical barrel 161 close to the electric hydraulic rod 19, a second communicating pipe 169 and a fourth communicating pipe 1613 are respectively arranged at the top and the bottom of the inner cavity of the lower die 15, a first elastic piece 168 is fixedly connected to one side of the I-shaped sealing column 167 away from the cylindrical barrel 161, a second elastic piece 1610 is movably connected to one side of the upper surface of the clamping block 1610 positioned between the cylindrical barrel 161 and the I-shaped sealing column 167, and the second elastic piece 1611 is fixedly connected to the lower surface of the second elastic piece 1611;
The third communicating pipe 1612 is communicated with the vertical pipeline 1616 through the inner cavity at the bottom of the I-shaped sealing post 167, one end of the bottom of the fourth communicating pipe 1613, which is bent, is matched with one end of the third communicating pipe 1612, which is close to the first elastic piece 168, one end of the top of the fourth communicating pipe 1613 is communicated with the inner cavity below the cylindrical barrel 161 through the first corrugated pipe 164 of the second corrugated pipe 1614, one end of the third communicating pipe 1612, which is far away from the first elastic piece 168, is communicated with the inner cavity at the bottom of the limiting piston rod 162, the top and the bottom of the one-way valve 1615 are respectively an output port and an input port, and one end of the bottom of the one-way valve 1615 is communicated with the outside through the inner cavity of the lower die 15.
One end of the bottom of the clamping block 1610 is in an inclined plane shape, one end of the bottom of the clamping block 1610 is connected with the inner cavity of the top of the I-shaped sealing column 167 in a clamping mode, a protrusion is arranged on one side, close to the cylindrical barrel 161, of the top of the clamping block 1610, a protrusion is also arranged on the bottom, close to one side of the clamping block 1610, of the cylindrical barrel 161, and the protrusion are matched and extruded.
The protrusion at the bottom of the cylinder 161 contacts with the protrusion on the clamping block 1610 and extrudes the clamping block 1610 to move upwards, so that one end of the bottom of the clamping block 1610 releases the clamping connection to the I-shaped sealing column 167, and then the I-shaped sealing column 167 is pushed to move towards the direction close to one side of the first elastic sheet 168, so that one end of the bottom of the fourth communicating pipe 1613 is communicated with one end of the third communicating pipe 1612 close to the first elastic sheet 168, at the moment, the anti-sticking agent in the third communicating pipe 1612 enters the inner cavity of the limiting piston rod 162 through one end of the third communicating pipe 1612 far away from the first elastic sheet 168, and enters the inside of the bent communicating pipe 163 through the first corrugated pipe 164, and finally the anti-sticking agent is sprayed out obliquely upwards in a crossing manner through the top of the bent communicating pipe 163, so that the anti-sticking agent is sprayed to the bottom of the lower die 15 and the spraying operation of the anti-sticking agent at the bottom of the lower die 15 is completed.
As shown in fig. 2, 5, 7 and 10, the connection mechanism 17 comprises a sleeve block 171, an inner rod 172 is movably connected to an inner cavity of the sleeve block 171, a fourth spring 173 is sleeved on the outer surface of the inner rod 172, a first contact block 174 and a second contact block 175 are sleeved on the top and the bottom of the outer surface of the sleeve block 171 respectively, a fifth spring 176 is fixedly connected to the bottom of the second contact block 175, a connection limiting rod 177 is fixedly connected to the bottom of one side of the sleeve block 171 close to the auxiliary spraying mechanism 16, one end of the top of the inner rod 172 is fixedly connected with the upper die 1, the top and the bottom of the fourth spring 173 are fixedly connected with the sleeve block 171 and the inner rod 172 respectively, the outer surface of the first contact block 174 is fixedly connected with the lower die 15, the outer surface of the second contact block 175 is matched and clamped with the inner cavity of the bottom of the sleeve block 171, one end of the bottom of the fifth spring 176 is fixedly connected with the sleeve block 171, the connection limiting rod 177 is movably clamped with the inner cavity of the lower die 15, and one end of the connection limiting rod 177 far from the sleeve block 171 is fixedly connected with one side of the bottom of the cylindrical barrel 161; the upper die 1 drives the inner rod 172 to move upwards by operating the electric hydraulic rod 19, at the moment, the sleeve block 171 is also driven to move upwards due to the elastic force of the fourth spring 173, and then the connecting limiting rod 177 and the cylindrical barrel 161 are driven to move upwards, when the second contact block 175 moves upwards and contacts with the first contact block 174, the electric hydraulic rod 19 stops operating, the upper die 1 is in an open state, and meanwhile, the cylindrical barrel 161 rises to jack foam placed above the lower die 15 so as to facilitate quick extraction of operators;
Notably, are: the lifting of the upper mold 1 firstly drives the inner rod 172, the sleeve block 171, the connecting limiting rod 177 and the fifth spring 176 to move upwards, when the second contact block 175 is contacted with the first contact block 174, the foam is jacked up at the moment, but the bulge on the cylinder 161 and the bulge on the clamping block 1610 still keep a certain distance, the top of the hollow piston column 3 just begins to contact with the supporting frame 18, the operation of the electro-hydraulic rod 19 is stopped, and meanwhile, the mold is in an open state at the moment.
As shown in fig. 1, fig. 2, fig. 3, fig. 6, fig. 7 and fig. 8, the top and the bottom of the first spring 4 are fixedly connected with the piston cylinder 2 and the upper die 1 respectively, the top of the hollow piston cylinder 3 penetrates through the top of the piston cylinder 2 and is matched and extruded with the supporting frame 18, the first piston rod 5 is positioned on one side of the piston cylinder 2, which is far away from the piston cylinder 2, the first cavity 6 is matched and communicated with one end of the bottom of the upper anti-sticking agent storage cavity 8, one end of the tension spring 7, which is far away from the piston cylinder 2, is fixedly connected with the upper die 1, one end of the connecting pipe 9, which is far away from the piston cylinder 2, is communicated with the inner cavity of the upper die 1, the bottom of the supporting frame 18 is fixedly connected with the lower die 15, two ends of the first connecting pipe 10 are respectively communicated with the inner cavity of the upper die 1 and the second cavity 13, the lower surface of the sealing ball 12 is positioned in the second cavity 13, when the outer surface of the first piston rod 5 is matched and clamped with the inner cavity of the second cavity 13, the injection pipe orifice 14 is positioned on one side of the piston cylinder 2, two ends, which are far away from each other, respectively face the horizontal direction and the upper direction, the upper end 20 and the upper end 20 of the upper end of the electric sleeve 2 is respectively, which is in front of the diameter of the upper end of the sealing ball 12 is fixedly connected with the upper die 1 and the upper die 1, and the bottom of the upper die 1, and the upper end of the upper die 1 is respectively, and the bottom of the sealing ball 12, and the upper end is respectively, and the upper end is provided with the cavity and the lower end is respectively, and the lower end is respectively; by the design of the hollow piston column 3, when the hollow piston column 3 descends, the gas in the inner cavity of the piston cylinder 2 where the hollow piston column 3 is positioned is discharged through the inner cavity of the hollow piston column 3, and by the design of the sealing corrugated sleeve 20, the compressed gas in the inner cavity of the upper die 1 where the piston cylinder 2 is positioned is prevented from being discharged through the second cavity 13, and meanwhile, most of anti-sticking agent sprayed out from the spraying nozzle 14 is sprayed to the side wall of the inner cavity of the upper die 1 and the top of the inner cavity of the upper die 1, and still part of anti-sticking agent is scattered to the top of the lower die 15 due to the action of gravity;
Notably, are: the top end of the connecting tube 9 is corrugated so that the piston cylinder 2 and the hollow piston column 3 can still keep the piston cylinder 2 communicated with the inner cavity of the upper die 1 when moving downwards.
As shown in fig. 2, fig. 4, fig. 7 and fig. 9, the bottom of the limiting piston rod 162 is fixedly connected with the lower die 15, the top of the outer surface of the limiting piston rod 162 plugs one end of the top of the bent communicating tube 163, one end of the bottom of the bent communicating tube 163 is communicated with the inner cavity of the upper part of the cylindrical barrel 161, one end of the top of the first corrugated tube 164 is communicated with one end of the bottom of the bent communicating tube 163, one end of the bottom of the first corrugated tube 164 is communicated with the inner cavity of the top of the limiting piston rod 162, one end of the bottom of the second corrugated tube 1614 is communicated with the inner cavity of the lower die 15 where the fourth communicating tube 1613 is located, the top and the bottom of the third spring 165 are fixedly connected with the limiting piston rod 162 and the cylindrical barrel 161 respectively, the top of the inner cavity of the lower anti-sticking agent storage cavity 166 is provided with a sealing cover, one end of the bottom of the lower anti-sticking agent storage cavity 166 is communicated with the second communicating tube 169, a vertical tube 1616 is opened inside the lower die 15, the top and the bottom of the vertical tube 1616 are respectively communicated with the bottom of the second communicating tube 169 and the inner cavity of the square sealing column 167, one end of the first elastic sheet 168 is far from the square sealing column 15 is fixedly connected with the lower die 15, the bottom of the outer surface of the bottom of the corrugated tube 15 is fixedly connected with the inner cavity 15;
When the cylindrical barrel 161 moves upwards, the top of the limiting piston rod 162 releases the seal of one end of the top of the bent communicating pipe 163, so that the spraying operation of the follow-up anti-sticking agent is facilitated, meanwhile, the design of the first corrugated pipe 164 ensures that the first corrugated pipe 164 is communicated with the bent communicating pipe 163 and the limiting piston rod 162 when the cylindrical barrel 161 moves upwards, and the design of the second corrugated pipe 1614 also ensures the communication between the cylindrical barrel 161 and the inner cavity of the lower die 15;
noteworthy are: when the vertical pipe 1616 moves to the side close to the first elastic piece 168, the inner wall of the lower mold 15 seals the top and bottom ends of the second communicating pipe 169 to prevent the continuous feeding of the anti-sticking agent. The working principle and the using flow of the invention are as follows:
Firstly, an operator operates the electric hydraulic rod 19 to enable the upper die 1 to drive the inner rod 172 to move upwards, at the moment, the sleeve block 171 is enabled to move upwards due to the elastic force of the fourth spring 173, and then the connecting limiting rod 177 and the cylindrical barrel 161 are driven to move upwards, when the second contact block 175 moves upwards and contacts with the first contact block 174, the electric hydraulic rod 19 stops operating at the moment, the upper die 1 is in an open state, and meanwhile, foam cotton placed above the lower die 15 is jacked up due to the rising of the cylindrical barrel 161, so that the operator can take out the foam cotton quickly;
Then, the electric hydraulic rod 19 continues to operate so as to enable the upper die 1 to move upwards, at the moment, the top of the hollow piston rod 3 is contacted with the supporting frame 18, so that the hollow piston rod 3 pushes the piston cylinder 2 to move downwards, at the moment, gas in the inner cavity of the upper die 1 where the piston cylinder 2 is located is compressed, so that the pressure in the inner cavities of the first connecting pipe 10 and the sealing ball 12 is increased, when the second cavity 13 descends to the same level as the first piston rod 5, at the moment, the hollow piston rod 3 moves downwards, so that the pressure in the inner cavities of the connecting pipe 9 is reduced, the pressure in the second cavity 13 and the inner cavity of the upper die 1 is reduced, so that the first piston rod 5 moves towards the side far away from the tension spring 7, and then one end of the top of the first cavity 6 is extruded into the second spring 11 to be out of the inner cavity 13, at the moment, the inner cavities of the piston cylinder 2 are communicated with the injection pipe orifice 14 through the first cavity 6, and the anti-adhesive in the inner cavities of the first cavity 6 are extruded by the gas in the inner cavities of the piston cylinder 2 and the upper connecting pipe 10 and instantaneously sprayed out through the bottom of the injection pipe orifice 14, so that the side walls of the inner cavities of the upper cavity 1 and the top of the upper die 1 are sprayed;
When the electric hydraulic rod 19 continues to drive the upper die 1 to ascend, the cylindrical barrel 161 is further moved upwards, and when the protrusion at the bottom of the cylindrical barrel 161 is contacted with the protrusion on the clamping block 1610, the clamping block 1610 is extruded to move upwards, so that one end of the bottom of the clamping block 1610 is released from the clamping connection with the I-shaped sealing column 167, at this time, due to the pressure increase of the lower portion of the inner cavity of the cylindrical barrel 161, the I-shaped sealing column 167 is pushed to move towards the direction close to one side of the first elastic sheet 168, so that one end of the bottom of the fourth communicating pipe 1613 is communicated with one end of the third communicating pipe 1612 close to the first elastic sheet 168, at this time, the anti-adhesive agent inside the third communicating pipe 1612 enters into the inner cavity of the limiting piston rod 162 through one end of the third communicating pipe 1612 far away from the first elastic sheet 168, and enters into the inside of the bending communicating pipe 163 through the first corrugated pipe 164, and finally the anti-adhesive agent is sprayed obliquely upwards and is sprayed obliquely upwards through the top of the communicating pipe 163, so that the anti-adhesive agent is sprayed to the bottom of the lower die 15 and the lower die 15 is sprayed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Foam production is with foaming make-up machine, including last mould (1), bed die (15) and support frame (18), its characterized in that: the four corners inside the upper die (1) are movably connected with a piston cylinder (2) and a first piston rod (5), the inner cavity at the top of the piston cylinder (2) is movably connected with a hollow piston column (3), the outer surface of the piston cylinder (2) is sleeved with a first spring (4) and a sealing corrugated sleeve (20), a first cavity (6) is formed in the middle of the first piston rod (5), a tension spring (7) is fixedly connected with the inner cavity at one side of the first piston rod (5) far away from the piston cylinder (2), an upper anti-sticking agent storage cavity (8) is formed in the four corners inside the upper die (1), a connecting pipe (9) is fixedly connected with the inner cavity at one side of the top of the piston cylinder (2) far away from the upper anti-sticking agent storage cavity (8), one end of the connecting pipe (9) far away from the piston cylinder (2) is communicated with the inner cavity of the upper die (1), a first connecting pipe (10) is formed in the middle annular degree of the piston cylinder (2), a second spring (11) is fixedly connected with the top of the inner cavity at the middle of the piston cylinder (2), an equiangular cavity (13) is formed in the middle of the piston cylinder (2), a second cavity (13) is formed in the middle of the piston cylinder (12), the top of the support frame (18) is fixedly connected with an electric hydraulic rod (19), one end of the bottom of the electric hydraulic rod (19) penetrates through the support frame (18) and is fixedly connected with the top of the upper die (1), the top of the lower die (15) is matched with the bottom of the upper die (1), four corners of an inner cavity of the lower die (15) are movably connected with auxiliary spraying mechanisms (16), and one side, far away from the electric hydraulic rod (19), of each auxiliary spraying mechanism (16) is movably connected with a connecting mechanism (17) positioned inside the lower die (15);
the auxiliary spraying mechanism (16) comprises a cylindrical barrel (161), a vertical pipeline (1616) and a third communicating pipe (1612), a limiting piston rod (162) is movably connected to one side of the cylindrical barrel (161) close to an electric hydraulic rod (19), a bending communicating pipe (163) is arranged at the annular equal angle at the upper part of the inner cavity of the cylindrical barrel (161), a first corrugated pipe (164) is fixedly connected to the top annular equal angle of the outer surface of the limiting piston rod (162), a third spring (165) is sleeved on the outer surface of the limiting piston rod (162), a one-way valve (1615) and a second corrugated pipe (1614) are respectively and fixedly connected to the two sides of the bottom of the inner cavity of the cylindrical barrel (161), a lower anti-adhesion agent storage cavity (166) which is arranged in the lower die (15) is arranged on one side of the cylindrical barrel (161), an I-shaped sealing column (167) which is arranged below the lower die (166) is movably connected to the inner cavity of the lower die (15), a second communicating pipe (169) and a fourth communicating pipe (3) are respectively arranged at the top and the bottom of the I-shaped sealing column (167), one side of the I-shaped sealing column (167) is far away from the first communicating pipe (161) and is fixedly connected with the I die (168), a second elastic sheet (1611) is fixedly connected to one side of the upper surface of the clamping block (1610), and the second elastic sheet (1611) is fixedly connected with the inside of the lower die (15);
the connecting mechanism (17) comprises a sleeve block (171), an inner rod (172) is movably connected to an inner cavity of the sleeve block (171), a fourth spring (173) is sleeved on the outer surface of the inner rod (172), a first contact block (174) and a second contact block (175) are sleeved on the top and the bottom of the outer surface of the sleeve block (171) respectively, a fifth spring (176) is fixedly connected to the bottom of the second contact block (175), and a connecting limiting rod (177) is fixedly connected to the bottom of one side, close to the auxiliary spraying mechanism (16), of the sleeve block (171);
one end at interior pole (172) top and last mould (1) fixed connection, the top and the bottom of fourth spring (173) are respectively with sleeve piece (171) and interior pole (172) fixed connection, the surface and the bed die (15) fixed connection of first contact piece (174), the surface and the inner chamber cooperation joint of sleeve piece (171) bottom of second contact piece (175), the one end and sleeve piece (171) fixed connection of fifth spring (176) bottom, the inner chamber activity joint of connection gag lever post (177) and bed die (15), the one end and one side fixed connection of barrel (161) bottom of sleeve piece (171) are kept away from to connection gag lever post (177).
2. The foam molding machine for foam production according to claim 1, wherein: the top and the bottom of first spring (4) respectively with piston cylinder (2) and last mould (1) fixed connection, the top of hollow piston cylinder (3) runs through the top of piston cylinder (2) and with support frame (18) cooperation extrusion, first piston rod (5) are located one side outside piston cylinder (2), first cavity (6) and the one end cooperation intercommunication of last anti-sticking agent storage chamber (8) bottom, the one end and last mould (1) fixed connection of piston cylinder (2) are kept away from to extension spring (7), the bottom and lower mould (15) fixed connection of support frame (18).
3. The foam molding machine for foam production according to claim 1, wherein: the two ends of the first communication pipe (10) are respectively communicated with the inner cavity of the upper die (1) and the second cavity (13), the lower surface of the sealing ball (12) is positioned in the second cavity (13), when the outer surface of the first piston rod (5) is matched and clamped with the inner cavity of the second cavity (13), the injection pipe opening (14) is communicated with the inner cavity of the upper die (1) where the piston cylinder (2) is positioned through the first cavity (6) and the first communication pipe (10), two ends of the injection pipe opening (14) which are mutually separated face the horizontal direction and the inclined upward direction respectively, the top and the bottom of the sealing corrugated sleeve (20) are respectively fixedly connected with the piston cylinder (2) and the upper die (1), the diameter of the first cavity (6) is smaller than that of the sealing ball (12), and the top and the bottom of the front end and the back end of the first cavity (6) are provided with protrusions.
4. The foam molding machine for foam production according to claim 1, wherein: the bottom of spacing piston rod (162) and bed die (15) fixed connection, the top of spacing piston rod (162) surface will buckle the one end of communicating tube (163) top and block up, the one end of communicating tube (163) bottom and the inner chamber intercommunication on cylinder (161) upper portion buckle, the one end at first bellows (164) top and the one end intercommunication of communicating tube (163) bottom buckle, the one end at first bellows (164) bottom and the inner chamber intercommunication at spacing piston rod (162) top, the one end at second bellows (1614) bottom and the inner chamber intercommunication of fourth communicating tube (1613) place bed die (15), the top and the bottom of third spring (165) are with spacing piston rod (162) and cylinder (161) fixed connection respectively.
5. The foam molding machine for foam production according to claim 1, wherein: the top of cavity is stored to lower anti-sticking agent is provided with sealed lid, the one end and the second communicating pipe (169) of cavity (166) bottom are stored to lower anti-sticking agent, the inside at bed die (15) is seted up to riser (1616), the top and the bottom of riser (1616) respectively with the inner chamber intercommunication of second communicating pipe (169) bottom and worker's seal post (167), the one end and bed die (15) fixed connection of worker's seal post (167) are kept away from to first shell fragment (168), the bottom and the inner chamber fixed connection of bed die (15) of second bellows (1614) surface.
6. The foam molding machine for foam production according to claim 1, wherein: the third communicating pipe (1612) is communicated with the vertical pipeline (1616) through the inner cavity at the bottom of the I-shaped sealing column (167), one end at the bottom of the fourth communicating pipe (1613) is matched with one end, close to the first elastic sheet (168), of the third communicating pipe (1612), one end at the top of the fourth communicating pipe (1613) is communicated with the inner cavity below the cylindrical barrel (161) through the second corrugated pipe (1614), one end, far away from the first elastic sheet (168), of the third communicating pipe (1612) is communicated with the inner cavity at the bottom of the limiting piston rod (162), the top and the bottom of the one-way valve (1615) are respectively an output port and an input port, and one end at the bottom of the one-way valve (1615) is communicated with the outside through the inner cavity of the lower die (15).
7. The foam molding machine for foam production according to claim 1, wherein: one end of fixture block (1610) bottom is inclined plane form and the one end of fixture block (1610) bottom and the inner chamber joint at I shape sealing post (167) top, one side that is close to barrel (161) at fixture block (1610) top is provided with the arch, the bottom that barrel (161) is close to fixture block (1610) one side also is provided with the arch, and both protruding cooperations extrusion.
CN202311421513.5A 2023-10-31 2023-10-31 Foam molding machine for foam production Active CN117245832B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4738297A (en) * 1985-11-26 1988-04-19 Asmo Co., Ltd. Method of spray applying mold-release agent to a die casting mold
JPH08323456A (en) * 1995-05-30 1996-12-10 Ube Ind Ltd Spraying method for releasing agent
JP2001071096A (en) * 1999-08-31 2001-03-21 Ube Ind Ltd Method and device for spraying onto metallic mold
KR200299283Y1 (en) * 2002-09-25 2002-12-31 주식회사 대유에이텍 Mold release sprayer for mold manufacturing seat cushion of vehicle
CN208930635U (en) * 2018-11-09 2019-06-04 江西鼎晟精密模具有限公司 A kind of plastic mould demolding structure
CN115534201A (en) * 2022-09-29 2022-12-30 芜湖中科飞机制造有限公司 Combined forming die for skin of basic training plane
CN116587526A (en) * 2023-04-24 2023-08-15 浙江强力龙鞋业科技有限公司 Continuous injection molding, shaping and drying assembly line for soles and production method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4738297A (en) * 1985-11-26 1988-04-19 Asmo Co., Ltd. Method of spray applying mold-release agent to a die casting mold
JPH08323456A (en) * 1995-05-30 1996-12-10 Ube Ind Ltd Spraying method for releasing agent
JP2001071096A (en) * 1999-08-31 2001-03-21 Ube Ind Ltd Method and device for spraying onto metallic mold
KR200299283Y1 (en) * 2002-09-25 2002-12-31 주식회사 대유에이텍 Mold release sprayer for mold manufacturing seat cushion of vehicle
CN208930635U (en) * 2018-11-09 2019-06-04 江西鼎晟精密模具有限公司 A kind of plastic mould demolding structure
CN115534201A (en) * 2022-09-29 2022-12-30 芜湖中科飞机制造有限公司 Combined forming die for skin of basic training plane
CN116587526A (en) * 2023-04-24 2023-08-15 浙江强力龙鞋业科技有限公司 Continuous injection molding, shaping and drying assembly line for soles and production method

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