CN112757572A - Injection mold and injection molding method thereof - Google Patents
Injection mold and injection molding method thereof Download PDFInfo
- Publication number
- CN112757572A CN112757572A CN202011515627.2A CN202011515627A CN112757572A CN 112757572 A CN112757572 A CN 112757572A CN 202011515627 A CN202011515627 A CN 202011515627A CN 112757572 A CN112757572 A CN 112757572A
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- Prior art keywords
- pipe
- shell
- die
- move
- rod
- Prior art date
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- 238000001746 injection moulding Methods 0.000 title claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000002347 injection Methods 0.000 claims abstract description 41
- 239000007924 injection Substances 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 35
- 239000004065 semiconductor Substances 0.000 claims abstract description 18
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 238000005057 refrigeration Methods 0.000 claims description 47
- 238000007789 sealing Methods 0.000 claims description 10
- 229920001169 thermoplastic Polymers 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 241000463219 Epitheca Species 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
- B29C2045/4015—Ejector pins provided with sealing means
Abstract
The invention discloses an injection mold, which belongs to the technical field of injection molds and comprises a bottom plate, wherein a box body is fixedly arranged at the top of the bottom plate, an air cylinder is fixedly arranged at the top of an inner cavity of the box body, an upper shell is fixedly arranged at the telescopic end of the air cylinder, an upper mold is fixedly arranged at the top of the inner cavity of the upper shell, and a lower shell is fixedly arranged at the bottom of the inner cavity of the box body; according to the invention, through the arrangement of the cooling pipe and the ejector plate, the semiconductor refrigerating sheet works to refrigerate the refrigerating fluid in the refrigerating box, the cooled refrigerating fluid is injected into the cooling pipe through the connecting pipe and the first water distribution pipe under the driving of the water pump to cool the upper die and the lower die, the product forming is accelerated, the output shaft of the motor drives the threaded rod to rotate, the rotation of the threaded rod drives the sliding block to move, the movement of the sliding block drives the connecting rod to move, the movement of the connecting rod drives the ejector rod to move, and the movement of the ejector rod drives the ejector plate to move, so that the formed product is ejected out of the die cavity of the lower.
Description
Technical Field
The invention belongs to the technical field of injection molds, particularly relates to an injection mold, and further relates to an injection molding method of the injection mold.
Background
Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding, and the injection molding can be divided into injection molding method and die casting method, an injection molding machine (injection machine or injection molding machine for short) is the main molding equipment for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die.
However, in the prior art, the temperature of the surface of the product after injection molding is high, the product is still attached to the cavity of the mold during demolding, and the product is easily deformed by forced demolding, so that serious quality problems are caused, and the yield of production is affected.
Therefore, an injection mold is provided to solve the problems in the prior art, so that the product is convenient to demould after injection molding.
Disclosure of Invention
The invention aims to provide an injection mold, and aims to solve the problems that in the prior art, the surface temperature of a product is high after injection molding, the product is still attached to a cavity of the mold during demolding, the surface deformation of the product is easily caused by forced demolding, the serious quality problem is further caused, and the production yield is influenced.
In order to achieve the purpose, the invention adopts the following technical scheme:
an injection mold comprises a bottom plate, wherein a box body is fixedly mounted at the top of the bottom plate, an air cylinder is fixedly mounted at the top of an inner cavity of the box body, an upper shell is fixedly mounted at the telescopic end of the air cylinder, an upper mold is fixedly mounted at the top of the inner cavity of the upper shell, a lower shell is fixedly mounted at the bottom of the inner cavity of the box body, a shell is fixedly mounted at the inner cavity of the lower shell, a lower die is arranged in the inner cavity of the shell, an ejection plate is connected to the embedded of the lower die in a sliding manner, a motor is fixedly mounted at the bottom of one side of the inner cavity of the lower shell, a threaded rod is fixedly mounted at an output shaft of the motor, the threaded rod is far away from one end of the motor and extends to the outside of the shell and is supported by a bearing at the other side of the, the top of the ejector rod penetrates through the shell and extends to the inner cavity of the shell to be attached to the bottom of the ejector plate;
the inner chamber of epitheca and inferior valve just is located all being provided with the cooling tube of mould and casing, the top of bottom plate and the one side fixed mounting who is located the box have the refrigeration case, the front fixed mounting who is located the refrigeration case and at the top of bottom plate has the water pump, the end of intaking of water pump and the front intercommunication of refrigeration case, the drainage end intercommunication of water pump has the connecting pipe, the one end that the water pump was kept away from to the connecting pipe runs through the box and extends to the inner chamber intercommunication of box has first water diversion pipe, the quantity of first water diversion pipe has two, the one end that the connecting pipe was kept away from to first water diversion pipe runs through the surface intercommunication of epitheca and inferior valve and cooling tube respectively.
Preferably, the surface of the cooling pipe is communicated with two water distribution pipes, the number of the second water distribution pipes is two, one end, far away from the cooling pipe, of each second water distribution pipe penetrates through the upper shell and the lower shell respectively and extends to the outer portions of the upper shell and the lower shell to be communicated with a water return pipe, and one end of each water return pipe penetrates through the box body and extends to the outer portion of the box body to be communicated with the top of the refrigeration box.
Preferably, both sides of the top of the upper die are communicated with first filling pipes, the tops of the first filling pipes penetrate through the upper shell and extend to the outside of the upper shell, a threaded pipe is supported on an external bearing, located on the upper shell, of the surface of the first filling pipes, and a second filling pipe is connected to the tops of the threaded pipes in a threaded mode.
Preferably, a sealing gasket is fixedly mounted on the top of the first filling pipe, and the top of the sealing gasket is attached to the bottom of the second filling pipe.
Preferably, the surface of the water return pipe is clamped with a pipe clamp, and one side of the pipe clamp is fixedly installed on the surface of the box body.
Preferably, the fixed surface of lower mould installs the mounting panel, the top threaded connection of mounting panel has the installation pole, the bottom of installation pole runs through the mounting panel and extends to the below of mounting panel and the top threaded connection of casing.
Preferably, the surface of the ejector rod is connected with a sleeve in a sliding mode, the surface of the sleeve is fixedly provided with a supporting rod, and one end, far away from the sleeve, of the supporting rod is fixedly arranged on the inner wall of the shell.
Preferably, the threads on the surface of the threaded rod are arranged in opposite directions, the surface of the cooling pipe is sleeved with a supporting pipe, and the surface of the supporting pipe is fixedly installed with the inner walls of the upper shell and the lower shell.
Preferably, the bottom fixed mounting of refrigeration case inner chamber has the semiconductor refrigeration piece, the heat dissipation end of semiconductor refrigeration piece runs through the refrigeration case and extends to the outside of refrigeration case, the top intercommunication of refrigeration case has the water injection pipe, the top threaded connection of water injection pipe has the tube cap.
The invention also provides an injection molding method of the injection mold, which comprises the following steps:
s1, die assembly, wherein the telescopic end of the cylinder drives the upper shell to move, and the upper shell moves to drive the upper die to move to a position where the upper die is assembled with the lower die;
s2, injecting thermoplastic plastics, and injecting the thermoplastic plastics into a die cavity formed when the upper die and the lower die are closed through a first injection pipe by a second injection pipe;
s3, cooling, namely refrigerating the refrigerating fluid in the refrigerating box by the work of the semiconductor refrigerating sheet, injecting the cooled refrigerating fluid into the cooling pipe through the connecting pipe and the first water distribution pipe under the driving of the water pump, cooling the upper die and the lower die, and accelerating the product molding;
and S4, demolding, wherein after a product is molded, the telescopic end of the cylinder drives the upper shell to move, the upper shell drives the upper mold to move, the output shaft of the motor drives the threaded rod to rotate, the threaded rod rotates to drive the sliding block to move, the sliding block moves to drive the connecting rod to move, the connecting rod moves to drive the ejector rod to move, and the ejector rod moves to drive the ejector plate to move, so that the molded product is ejected out of the mold cavity of the lower mold.
The invention has the technical effects and advantages that: compared with the prior art, the injection mold provided by the invention has the following advantages:
1. according to the invention, through the arrangement of the cooling pipe and the ejector plate, the semiconductor refrigerating sheet works to refrigerate the refrigerating fluid in the refrigerating box, the cooled refrigerating fluid is injected into the cooling pipe through the connecting pipe and the first water distribution pipe under the driving of the water pump to cool the upper die and the lower die, the product molding is accelerated, the output shaft of the motor drives the threaded rod to rotate, the rotation of the threaded rod drives the sliding block to move, the movement of the sliding block drives the connecting rod to move, the movement of the connecting rod drives the ejector rod to move, and the movement of the ejector rod drives the ejector plate to move, so that the molded product is ejected out of the die cavity of the lower;
2. according to the invention, the first filling pipe and the second filling pipe can be connected together through the arrangement of the threaded pipe, thermoplastic plastics can be conveniently injected into a mold cavity formed when an upper mold and a lower mold are closed through the matching use of the first filling pipe, the second filling pipe and the threaded pipe, the arrangement of the sealing gasket can seal the joint of the first filling pipe and the second filling pipe, the lower mold and the shell can be fixed together through the matching use of the mounting plate and the mounting rod, the sliding block can be moved in opposite directions through the arrangement of the thread direction on the surface of the threaded rod, the arrangement of the sleeve and the supporting rod can play a limiting role on the ejector rod, the ejector rod is prevented from being deviated in the moving process, the surface of the ejector plate is fixedly provided with the sealing ring, and the mold cavity of the ejector plate and the lower mold can be sealed;
3. according to the invention, the cooling pipe can be fixed in the inner cavities of the upper shell and the lower shell through the arrangement of the supporting pipe, the semiconductor refrigeration piece can be arranged to refrigerate the refrigeration liquid in the refrigeration box, the heat dissipation end of the semiconductor refrigeration piece penetrates through the refrigeration box and extends to the outside of the refrigeration box, the heat generated by the work of the semiconductor refrigeration piece can be dissipated to the outside of the refrigeration box, the arrangement of the water injection pipe can facilitate the injection of the refrigeration liquid into the refrigeration box by a user, the arrangement of the pipe cover can prevent the external dust from entering the inner cavity of the refrigeration box through the water injection pipe, the arrangement of the second water distribution pipe and the water return pipe can facilitate the discharge of the warmed refrigeration liquid into the inner cavity of the refrigeration box for secondary cooling, and the arrangement of the pipe clamp can fix the water.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the interior of the case of the present invention;
FIG. 3 is a schematic illustration of the construction of the connection of a first fill pipe and a second fill pipe of the present invention;
fig. 4 is a schematic view of the internal structure of the refrigeration case of the present invention;
FIG. 5 is a schematic view of the structure of the cooling tube of the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 7 is an enlarged view of FIG. 1 taken at B in accordance with the present invention;
FIG. 8 is an enlarged view of the invention at C in FIG. 1.
In the figure: 1. a base plate; 2. a box body; 3. a cylinder; 4. an upper shell; 5. an upper die; 6. a lower case; 7. a housing; 8. a lower die; 9. ejecting the plate; 10. a motor; 11. a threaded rod; 12. a slider; 13. a connecting rod; 14. a top rod; 15. a cooling tube; 16. a refrigeration case; 17. a water pump; 18. a connecting pipe; 19. a first water diversion pipe; 20. a second water dividing pipe; 21. a water return pipe; 22. a first filler pipe; 23. a threaded pipe; 24. a second filler pipe; 25. a gasket; 26. a pipe clamp; 27. mounting a plate; 28. mounting a rod; 29. a sleeve; 30. a support bar; 31. supporting a tube; 32. a semiconductor refrigeration sheet; 33. a water injection pipe; 34. and (7) covering the tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. 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.
The invention provides an injection mold as shown in figures 1-8, which comprises a bottom plate 1, a box body 2 is fixedly arranged at the top of the bottom plate 1, a cylinder 3 is fixedly arranged at the top of an inner cavity of the box body 2, an upper shell 4 is fixedly arranged at the telescopic end of the cylinder 3, an upper mold 5 is fixedly arranged at the top of the inner cavity of the upper shell 4, first filling pipes 22 are communicated with two sides of the top of the upper mold 5, the top of each first filling pipe 22 penetrates through the upper shell 4 and extends to the outside of the upper shell 4, a threaded pipe 23 is supported on the surface of each first filling pipe 22 and positioned on an external bearing of the upper shell 4, a second filling pipe 24 is connected with the top of each threaded pipe 23 in a threaded manner, a sealing gasket 25 is fixedly arranged at the top of each first filling pipe 22, the top of each sealing gasket 25 is attached to the bottom of the second filling pipe 24, a lower shell 6 is fixedly arranged at the bottom of the inner cavity, a mounting plate 27 is fixedly mounted on the surface of the lower die 8, a mounting rod 28 is connected to the top of the mounting plate 27 through a thread, and the bottom of the mounting rod 28 penetrates through the mounting plate 27 and extends to the lower part of the mounting plate 27 to be connected with the top of the shell 7 through a thread;
the first filling pipe 22 and the second filling pipe 24 can be connected together through the arrangement of the threaded pipe 23, thermoplastic plastics can be conveniently injected into a mold cavity formed when the upper mold 5 and the lower mold 8 are clamped through the matching use of the first filling pipe 22, the second filling pipe 24 and the threaded pipe 23, the joint of the first filling pipe 22 and the second filling pipe 24 can be sealed through the arrangement of the sealing gasket 25, and the lower mold 8 and the shell 7 can be fixed together through the matching use of the mounting plate 27 and the mounting rod 28;
an ejector plate 9 is connected to the inner embedding of the lower die 8 in a sliding mode, a motor 10 is fixedly installed at the bottom of one side of an inner cavity of the lower shell 6, a threaded rod 11 is fixedly installed on an output shaft of the motor 10, threads on the surface of the threaded rod 11 are arranged in the opposite direction, one end, away from the motor 10, of the shell 7 of the threaded rod 11 extends to the outside of the shell 7 and is supported by a bearing on the other side of the inner cavity of the lower shell 6, sliders 12 are connected to two sides of the surface of the threaded rod 11 in a sliding mode, the top of each slider 12 is hinged to a connecting rod 13, one end, away from the corresponding slider 12, of each connecting rod 13 is hinged to a corresponding ejector rod 14, the surface of each ejector rod 14 is connected to a corresponding sleeve 29 in a sliding mode, a support rod 30 is fixedly installed on the surface of;
the slide block 12 can move in the opposite direction through the arrangement of the thread direction on the surface of the threaded rod 11, the arrangement of the sleeve 29 and the support rod 30 can limit the ejector rod 14, the ejector rod 14 is prevented from deviating in the moving process, a sealing ring is fixedly arranged on the surface of the ejector plate 9, and the ejector plate 9 and a die cavity of the lower die 8 can be sealed;
the inner cavities of the upper shell 4 and the lower shell 6 are provided with cooling pipes 15 respectively positioned on the upper die 5 and the shell 7, the surface of each cooling pipe 15 is sleeved with a supporting pipe 31, the surface of each supporting pipe 31 is fixedly installed with the inner walls of the upper shell 4 and the lower shell 6, the top of the bottom plate 1 is fixedly installed with a refrigeration box 16 positioned on one side of the box body 2, the bottom of the inner cavity of the refrigeration box 16 is fixedly installed with a semiconductor refrigeration sheet 32, the heat dissipation end of the semiconductor refrigeration sheet 32 penetrates through the refrigeration box 16 and extends to the outside of the refrigeration box 16, the top of the refrigeration box 16 is communicated with a water injection pipe 33, and the top of the water injection pipe 33 is;
through the arrangement of the supporting tube 31, the cooling tube 15 can be fixed in the inner cavities of the upper shell 4 and the lower shell 6, the semiconductor refrigerating sheet 32 can refrigerate the refrigerating fluid in the refrigerating box 16, the heat dissipation end of the semiconductor refrigerating sheet 32 penetrates through the refrigerating box 16 and extends to the outside of the refrigerating box 16, heat generated by the work of the semiconductor refrigerating sheet 32 can be dissipated to the outside of the refrigerating box 16, the arrangement of the water injection tube 33 can facilitate a user to inject the refrigerating fluid into the refrigerating box 16, and the arrangement of the tube cover 34 can prevent external dust from entering the inner cavity of the refrigerating box 16 through the water injection tube 33;
a water pump 17 is fixedly arranged on the top of the bottom plate 1 and positioned on the front of the refrigeration box 16, the water inlet end of the water pump 17 is communicated with the front of the refrigeration box 16, the water outlet end of the water pump 17 is communicated with a connecting pipe 18, one end of the connecting pipe 18 far away from the water pump 17 penetrates through the box 2 and extends to the inner cavity of the box 2 and is communicated with a first water distribution pipe 19, the number of the first water distribution pipe 19 is two, one end of the first water distribution pipe 19 far away from the connecting pipe 18 penetrates through the upper shell 4 and the lower shell 6 respectively and is communicated with the surface of the cooling pipe 15, the surface of the cooling pipe 15 is communicated with a second water distribution pipe 20, the number of the second water distribution pipe 20 is two, one end of the second water distribution pipe 20 far away from the cooling pipe 15 penetrates through the upper shell 4 and the lower shell 6 respectively and extends to the outer parts of the upper shell 4 and the lower shell 6 and is communicated with a water return pipe 21, one end, one side of the pipe clamp 26 is fixedly arranged on the surface of the box body 2;
through the setting of water pump 17, the work of water pump 17 passes through the inside that connecting pipe 18 and first water distribution pipe 19 pour into cooling tube 15 with the refrigerant liquid after the inside cooling of refrigeration case 16 into, cools off last mould 5 and lower mould 8, and product shaping accelerates, and the setting of second water distribution pipe 20 and wet return 21 can be conveniently cooled off once more with the inner chamber that the refrigerant liquid discharge refrigeration case 16 after heating up, and the setting of pipe strap 26 can be fixed wet return 21.
The invention relates to an injection molding method of an injection mold, which comprises the following steps:
s1, die assembly, wherein the telescopic end of the cylinder drives the upper shell to move, and the upper shell moves to drive the upper die to move to a position where the upper die is assembled with the lower die;
s2, injecting thermoplastic plastics, and injecting the thermoplastic plastics into a die cavity formed when the upper die and the lower die are closed through a first injection pipe by a second injection pipe;
s3, cooling, namely refrigerating the refrigerating fluid in the refrigerating box by the work of the semiconductor refrigerating sheet, injecting the cooled refrigerating fluid into the cooling pipe through the connecting pipe and the first water distribution pipe under the driving of the water pump, cooling the upper die and the lower die, and accelerating the product molding;
and S4, demolding, wherein after a product is molded, the telescopic end of the cylinder drives the upper shell to move, the upper shell drives the upper mold to move, the output shaft of the motor drives the threaded rod to rotate, the threaded rod rotates to drive the sliding block to move, the sliding block moves to drive the connecting rod to move, the connecting rod moves to drive the ejector rod to move, and the ejector rod moves to drive the ejector plate to move, so that the molded product is ejected out of the mold cavity of the lower mold.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. An injection mold, comprising a base plate (1), characterized in that: the top of the bottom plate (1) is fixedly provided with a box body (2), the top of the inner cavity of the box body (2) is fixedly provided with a cylinder (3), the telescopic end of the cylinder (3) is fixedly provided with an upper shell (4), the top of the inner cavity of the upper shell (4) is fixedly provided with an upper die (5), the bottom of the inner cavity of the box body (2) is fixedly provided with a lower shell (6), the inner cavity of the lower shell (6) is fixedly provided with a shell (7), the inner cavity of the shell (7) is provided with a lower die (8), the lower die (8) is embedded with an ejector plate (9) in a sliding connection manner, the bottom of one side of the inner cavity of the lower shell (6) is fixedly provided with a motor (10), the output shaft of the motor (10) is fixedly provided with a threaded rod (11), the threaded rod (11) is far away from the shell (7) at one, the two sides of the surface of the threaded rod (11) and the inner cavity of the shell (7) are both connected with sliding blocks (12) in a sliding mode, the top of each sliding block (12) is hinged with a connecting rod (13), one end, far away from the corresponding sliding block (12), of each connecting rod (13) is hinged with a push rod (14), and the top of each push rod (14) penetrates through the shell (7) and extends to the inner cavity of the shell (7) to be attached to the bottom of the ejector plate (9);
the inner cavities of the upper shell (4) and the lower shell (6) and the inner cavities of the upper die (5) and the shell (7) are both provided with cooling pipes (15), a refrigeration box (16) is fixedly arranged at the top of the bottom plate (1) and at one side of the box body (2), a water pump (17) is fixedly arranged on the top of the bottom plate (1) and positioned on the front surface of the refrigeration box (16), the water inlet end of the water pump (17) is communicated with the front surface of the refrigeration box (16), the water outlet end of the water pump (17) is communicated with a connecting pipe (18), one end of the connecting pipe (18) far away from the water pump (17) penetrates through the box body (2) and extends to the inner cavity of the box body (2) to be communicated with a first water dividing pipe (19), the number of the first water distributing pipes (19) is two, and one ends, far away from the connecting pipe (18), of the first water distributing pipes (19) penetrate through the surfaces of the upper shell (4) and the lower shell (6) and the cooling pipe (15) respectively.
2. An injection mold according to claim 1, wherein: the surface intercommunication of cooling tube (15) has second water diversion pipe (20), the quantity of second water diversion pipe (20) has two, the one end that cooling tube (15) were kept away from in second water diversion pipe (20) runs through epitheca (4) and inferior valve (6) respectively and extends to the outside intercommunication of epitheca (4) and inferior valve (6) has wet return (21), the one end of wet return (21) runs through box (2) and extends to the outside of box (2) and the top intercommunication of refrigeration case (16).
3. An injection mold according to claim 1, wherein: the two sides of the top of the upper die (5) are communicated with first filling pipes (22), the tops of the first filling pipes (22) penetrate through the upper shell (4) and extend to the outside of the upper shell (4), a threaded pipe (23) is supported on the surface of the first filling pipes (22) and an external bearing located on the upper shell (4), and the top of the threaded pipe (23) is in threaded connection with a second filling pipe (24).
4. An injection mould according to claim 3, characterized in that: the top of the first filling pipe (22) is fixedly provided with a sealing gasket (25), and the top of the sealing gasket (25) is attached to the bottom of the second filling pipe (24).
5. An injection mold according to claim 1, wherein: the surface joint of wet return (21) has pipe strap (26), the fixed surface mounting of one side and box (2) of pipe strap (26).
6. An injection mold according to claim 1, wherein: the fixed surface of lower mould (8) installs mounting panel (27), the top threaded connection of mounting panel (27) has installation pole (28), the bottom of installation pole (28) runs through mounting panel (27) and extends to the below of mounting panel (27) and the top threaded connection of casing (7).
7. An injection mold according to claim 1, wherein: the surface of the ejector rod (14) is connected with a sleeve (29) in a sliding mode, a supporting rod (30) is fixedly mounted on the surface of the sleeve (29), and one end, far away from the sleeve (29), of the supporting rod (30) is fixedly mounted on the inner wall of the shell (7).
8. An injection mold according to claim 1, wherein: the threads on the surface of the threaded rod (11) are arranged in the opposite direction, the surface of the cooling pipe (15) is sleeved with a supporting pipe (31), and the surface of the supporting pipe (31) is fixedly installed on the inner walls of the upper shell (4) and the lower shell (6).
9. An injection mold according to claim 1, wherein: the bottom fixed mounting of refrigeration case (16) inner chamber has semiconductor refrigeration piece (32), the heat dissipation end of semiconductor refrigeration piece (32) runs through refrigeration case (16) and extends to the outside of refrigeration case (16), the top intercommunication of refrigeration case (16) has water injection pipe (33), the top threaded connection of water injection pipe (33) has tube cap (34).
10. An injection molding method of an injection mold according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, die assembly, wherein the telescopic end of the cylinder drives the upper shell to move, and the upper shell moves to drive the upper die to move to a position where the upper die is assembled with the lower die;
s2, injecting thermoplastic plastics, and injecting the thermoplastic plastics into a die cavity formed when the upper die and the lower die are closed through a first injection pipe by a second injection pipe;
s3, cooling, namely refrigerating the refrigerating fluid in the refrigerating box by the work of the semiconductor refrigerating sheet, injecting the cooled refrigerating fluid into the cooling pipe through the connecting pipe and the first water distribution pipe under the driving of the water pump, cooling the upper die and the lower die, and accelerating the product molding;
and S4, demolding, wherein after a product is molded, the telescopic end of the cylinder drives the upper shell to move, the upper shell drives the upper mold to move, the output shaft of the motor drives the threaded rod to rotate, the threaded rod rotates to drive the sliding block to move, the sliding block moves to drive the connecting rod to move, the connecting rod moves to drive the ejector rod to move, and the ejector rod moves to drive the ejector plate to move, so that the molded product is ejected out of the mold cavity of the lower mold.
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| CN202011515627.2A CN112757572A (en) | 2020-12-21 | 2020-12-21 | Injection mold and injection molding method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113492500A (en) * | 2021-05-20 | 2021-10-12 | 全彩勤 | Garbage can and injection mold thereof |
| CN114131726A (en) * | 2021-11-22 | 2022-03-04 | 江西凯佳电瓷电器有限公司 | Electric insulator forming and processing equipment and forming and processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207889034U (en) * | 2017-12-23 | 2018-09-21 | 刘蓉蓉 | A kind of plastic injection moulding mould |
| CN209971444U (en) * | 2018-11-28 | 2020-01-21 | 温州市凤泰电器有限公司 | Lamp holder injection moulding equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207889034U (en) * | 2017-12-23 | 2018-09-21 | 刘蓉蓉 | A kind of plastic injection moulding mould |
| CN209971444U (en) * | 2018-11-28 | 2020-01-21 | 温州市凤泰电器有限公司 | Lamp holder injection moulding equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113492500A (en) * | 2021-05-20 | 2021-10-12 | 全彩勤 | Garbage can and injection mold thereof |
| CN114131726A (en) * | 2021-11-22 | 2022-03-04 | 江西凯佳电瓷电器有限公司 | Electric insulator forming and processing equipment and forming and processing method |
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Application publication date: 20210507 |