CN114474596A - But injection mold of fast demoulding - Google Patents
But injection mold of fast demoulding Download PDFInfo
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- CN114474596A CN114474596A CN202210170088.6A CN202210170088A CN114474596A CN 114474596 A CN114474596 A CN 114474596A CN 202210170088 A CN202210170088 A CN 202210170088A CN 114474596 A CN114474596 A CN 114474596A
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- 238000002347 injection Methods 0.000 title claims abstract description 34
- 239000007924 injection Substances 0.000 title claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000000110 cooling liquid Substances 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 11
- 208000015943 Coeliac disease Diseases 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- B29C45/2602—Mould construction elements
-
- 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
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/66—Mould opening, closing or clamping devices mechanical
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold capable of realizing rapid demolding, and relates to the technical field of injection molds, wherein the injection mold comprises an installation frame, a movable mold, a reversing assembly and a cooling demolding assembly, the installation frame is of a rectangular frame structure, one side of the installation frame is fixedly provided with a fixed mold, and the other side of the installation frame is fixedly provided with a cylinder; a plurality of cavities are formed in the side surface of the movable die, and cooling cavities corresponding to the cavities are formed in the movable die; the switching-over subassembly sets up the guide block on the mounting bracket including sliding, the fixed pivot of being connected with the guide block rotation that is provided with on the movable mould, be equipped with one-way slewing mechanism in the pivot, the flexible end connection of guide block and cylinder makes the cylinder accomplishes once flexible back, the movable mould rotates the die cavity that makes and the cover half corresponds and takes place the replacement. The invention can accelerate the production efficiency, reduce the time used in the injection molding process and improve the production continuity and the production efficiency.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to an injection mold capable of realizing rapid demolding.
Background
An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. The injection mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to the molding characteristics.
Traditional injection mold is used for producing plastic goods more, generally adopt a set of fixed, the movable mould cooperates production, the injection moulding raw materials that injection mold production and processing used has stronger adhesion more, difficult drawing of patterns after the die sinking, current solution is, carry out rapid cooling to the product through letting in the cooling water in the mould, accomplish the drawing of patterns in propping out the mould with the product through the push rod, however, at the compound die, mould plastics, the die sinking, cooling and this a series of flows of drawing of patterns get off, the cooling generally occupies longer time, in-process at the product cooling, can't carry out the next time and mould plastics, make the production efficiency of product low, and dwell time overlength easily leads to the runner cooling of injection molding machine to block up under the die sinking state, influence the production quality of product.
Disclosure of Invention
The invention aims to solve the problems that the existing injection mold is low in production efficiency, a sprue of an injection molding machine is easily cooled and blocked, and the production quality of a product is influenced, and provides an injection mold capable of quickly demolding.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rapid-demold injection mold comprising:
the mounting rack is of a rectangular frame structure, a fixed die is fixedly arranged on one side of the mounting rack, and an air cylinder is fixedly arranged on the other side of the mounting rack;
the side surface of the movable die is provided with a plurality of cavities, and a cooling cavity corresponding to the cavities is formed in the movable die;
the reversing assembly comprises a guide block which is arranged on the mounting frame in a sliding mode, a rotating shaft which is connected with the guide block in a rotating mode is fixedly arranged on the movable die, a one-way rotating mechanism is arranged on the rotating shaft, and the guide block is fixedly connected with the telescopic end of the air cylinder, so that after the air cylinder completes one-time stretching, the movable die rotates to enable the cavity corresponding to the fixed die to be replaced;
cooling drawing of patterns subassembly, cooling drawing of patterns subassembly is including fixed the sealed dish that sets up on the guide block, sealed dish and the coaxial rotation setting of pivot, be connected with the coolant liquid pipe on the sealed dish, sealed dish offsets tightly with the movable mould, makes coolant liquid pipe and the cooling chamber intercommunication that corresponds the cover half make all the other the cooling chamber is sealed, still be equipped with loading system and ejecting mechanism on the movable mould, when making the compound die, the product that will mould plastics last time is released the die cavity.
Preferably, the horizontal section of the movable mold is a regular polygon, and the cavity is located in the contour center of the side surface of the movable mold.
Preferably, the guide block is provided with the gib block both sides, set up the guide way with gib block looks adaptation installation on the mounting bracket.
Preferably, the one-way slewing mechanism is including the epaxial gear of cover locating, be equipped with the rack with gear engaged with on the mounting bracket, make the movable mould is when removing, rack drive gear rotates, be equipped with one-way bearing between gear and the pivot, make the gear can only one-way drive pivot rotate.
Preferably, a damper is arranged between the rotating shaft and the guide block, so that the rotating shaft is kept in an original state under the action of no external force.
Preferably, the cooling cavity is in accordance with the shape of the die cavity, so that the cooling liquid in the cooling cavity acts on each inner wall of the die cavity.
Preferably, the material of the inner wall of the cavity is copper or aluminum.
Preferably, the pressurizing mechanism comprises a pressure supporting column, a sliding hole communicated with the adjacent cooling cavity is formed in the side wall of the movable mold, the pressure supporting column is connected with the sliding hole in a sealing and sliding mode, and a return spring is arranged between the pressure supporting column and the sliding hole.
Preferably, the push-out mechanism comprises a plurality of communicating pipes for communicating the cavity with the cooling cavity, a push rod is arranged in the communicating pipes in a sealing and sliding manner, and when the pressurizing mechanism pressurizes the cooling cavity, the push rod is enabled to extend out of the cavity.
Preferably, the top end of the push rod is provided with a limiting piece, and a limiting opening matched with the limiting piece is formed in the pipe opening of the communicating pipe, so that when the push rod is at the limit position, the limiting piece is flush with the inner wall of the cavity.
Compared with the prior art, the invention has the following advantages:
the invention improves the production efficiency of products by arranging the movable die with a plurality of cavities, arranging the gear, the rack and the one-way bearing, when the cylinder drives the guide block to move the movable die to open and close the die, engaging the gear with the rack, driving the movable die to rotate by the gear, matching with the sealing disc, leading the cooling cavity corresponding to the cavity to be closed to be filled with cooling liquid, leading the rest cooling cavities to be in a sealed state, leading the product in cooling to change positions along with the cavity, leading the idle cavity and the fixed die to carry out injection molding again, meanwhile, leading the fixed die to be propped against the propping column when closing the die, leading the propping column to be propped against the cooling cavity corresponding to the cavity to be released, leading the pressure in the cooling cavity to be increased, leading the push rod to stretch out to prop the product, completing the die release when completing the die closing and injection molding, improving the production efficiency, and being beneficial to reducing the risk of cooling and blocking of a pouring gate due to high-frequency die opening and closing, the injection molding quality of the product is improved.
Drawings
FIG. 1 is a schematic three-dimensional structure diagram of an injection mold capable of being rapidly demolded according to the present invention;
FIG. 2 is a schematic structural diagram of a movable mold of an injection mold capable of being rapidly demolded according to the present invention;
FIG. 3 is a schematic structural diagram of a mounting frame in an injection mold capable of being rapidly demolded according to the present invention;
FIG. 4 is a schematic structural view of an operating state of an injection mold capable of rapidly demolding according to the present invention;
FIG. 5 is a partial sectional view of a movable mold of an injection mold capable of being rapidly demolded according to the present invention;
FIG. 6 is a second partial sectional view of a movable mold of the injection mold capable of being rapidly demolded according to the present invention;
FIG. 7 is a schematic structural diagram of a push rod of an injection mold capable of being rapidly demolded according to the present invention;
FIG. 8 is a schematic structural diagram of the connection relationship between the guide block and the sealing disc in the injection mold capable of rapid demolding according to the present invention.
In the figure: 1. a mounting frame; 2. moving the mold; 3. a commutation assembly; 4. cooling the demoulding component; 5. fixing a mold; 6. a cylinder; 7. a cavity; 8. a cooling chamber; 9. a guide block; 10. a rotating shaft; 11. sealing the disc; 12. a coolant tube; 13. a guide strip; 14. a guide groove; 15. a gear; 16. a rack; 17. a slide hole; 18. a return spring; 19. a communicating pipe; 20. a push rod; 21. a limiting sheet; 22. a limiting port; 23. and pressing the column.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, an injection mold capable of rapidly demolding comprises an installation frame 1, a movable mold 2, a reversing assembly 3 and a cooling demolding assembly 4, wherein the installation frame 1 is of a rectangular frame structure, fixing holes for installation and fixation are preset at two ends of the installation frame 1, the mold is conveniently installed and matched with injection molding machine equipment, a fixed mold 5 is fixedly arranged on one side of the installation frame 1, an air cylinder 6 is fixedly arranged on the other side of the installation frame 1, the fixed mold 5 is connected with a sprue of the injection molding machine, the movable mold 2 is controlled to move through the air cylinder 6 to realize mold opening and closing, and when the mold is closed, the injection molding machine can extrude molten raw materials into the mold;
the side surface of the movable mold 2 is provided with a plurality of cavities 7, when the movable mold is used, the cavities 7 are sequentially matched with the fixed mold 5, so that after one-time injection molding is finished, the next-time mold closing and injection molding can be continuously carried out without cooling and demolding a product, the injection molding efficiency is improved, the idle time of a sprue of an injection molding machine is reduced due to the improvement of injection molding frequency, under the same condition, the risk of sprue cooling agglomeration is reduced, the sprue of the injection molding machine is not easy to block, the production quality of the product is improved, a cooling cavity 8 corresponding to the cavity 7 is formed in the movable mold 2, and the interior of the mold can be cooled through cooling liquid in the cooling cavity 8, so that the molding and demolding of the product are facilitated;
referring to fig. 4, switching-over subassembly 3 sets up guide block 9 on mounting bracket 1 including sliding, fixed being provided with on the movable mould 2 rotates pivot 10 of being connected with guide block 9, removal through guide block 9, drive movable mould 2 and remove, realize opening and shutting of the cover half 5 of movable mould 2, be equipped with one-way slewing mechanism on the pivot 10, guide block 9 and the flexible end fixed connection of cylinder 6, when cylinder 6 extends, it is close to cover half 5 to drive guide block 9, make movable mould 2 be close to cover half 5 and accomplish the compound die, when cylinder 6 contracts, it keeps away from cover half 5 to drive guide block 9, make movable mould 2 keep away from cover half 5 and accomplish the die sinking, and accomplish once flexible back at cylinder 6, pivot 10 drives movable mould 2 through one-way slewing mechanism and rotates the die cavity 7 that makes and cover half 5 correspond and take place the replacement, be favorable to carrying out the injection molding of next time at once, and the production efficiency is improved.
Cooling drawing of patterns subassembly 4 is including fixed setting up sealed dish 11 on guide block 9, sealed dish 11 and the coaxial rotation setting of pivot 10, when pivot 10 rotates, sealed dish 11 changes with movable mould 2's relative position, be connected with coolant liquid pipe 12 on the sealed dish 11, coolant liquid pipe 12 external cryogenic cooling liquid, because sealed dish 11 position is unchangeable, movable mould 2 is when taking place to rotate, sealed dish 11 offsets tightly with movable mould 2, make coolant liquid pipe 12 communicate with the cooling chamber 8 that corresponds cover half 5 all the time, make the cooling chamber 8 of all the other positions be in encapsulated situation, still be equipped with on the movable mould 2 and add forcing mechanism and ejecting mechanism, when making the compound die, the product that will mould plastics last time pushes out die cavity 7.
In the above, referring to fig. 4, by providing the sealing disk 11 and the cooling liquid pipe 12, the low-temperature cooling liquid in the cooling liquid pipe 12 is always applied to the cooling cavity 8 corresponding to the cavity 7 of the fixed mold 5, so that the cooling liquid is always in an effective working state, thereby reducing the waste of the cooling liquid, and at the same time, the rest of the cooling cavities 8 are in a sealed state, when the mold is closed, the pressurizing mechanism is convenient to drive the pushing mechanism to release the mold from the product, and at the same time, the moving mold 2 is not rotated by the unidirectional rotating mechanism when the mold is opened, so that the cooling liquid pipe 12 continuously cools the cavity 7 of the injection molded product, when the mold is closed, the moving mold 2 is rotated by a certain angle, thereby changing the cavity 7, so that the product is in a sealed state in the cooling cavity 8 corresponding to the cavity 7, thereby facilitating the pressurization of the cooling cavity 8, thereby pushing the product out of the mold, and switching the position of the cavity 7 when the mold is opened and closed each time, the production continuity is improved.
Referring to fig. 2-3, the unidirectional rotation mechanism includes a gear 15 sleeved on the rotating shaft 10, a rack 16 engaged with the gear 15 is arranged on the mounting rack 1, the starting end of the rack 16 is at least half of the diagonal length of the moving mold 2 from the fixed mold 5, so that the moving mold 2 has enough space when rotating along with the gear 15, the effective tooth ratio of the gear 15 to the rack 16 is equal to the number of the cavities 7, so that the rack 16 drives the gear 15 to rotate to complete the replacement of the cavities 7, when the moving mold 2 moves, the rack 16 drives the gear 15 to rotate, a unidirectional bearing is arranged between the gear 15 and the rotating shaft 10, so that the gear 15 can only drive the rotating shaft 10 to rotate in a unidirectional manner, after the gear 15 drives the rotating shaft 10 to rotate, and when the gear 15 moves in a reverse direction, the rotation of the gear 15 can not affect the rotating shaft 10 any more.
The damping is arranged between the rotating shaft 10 and the guide block 9, so that the rotating shaft 10 is kept in an original state under the action of non-external force, the risk that the rotating shaft 10 drives the movable mold 2 to deflect under the action of the non-external force is reduced, and the accuracy of mold closing of the movable mold 2 is improved.
Referring to fig. 5, the pressurizing mechanism includes a pressing column 23, a sliding hole 17 communicated with the adjacent cooling cavity 8 is formed in the side wall of the movable mold 2, the pressing column 23 is connected with the sliding hole 17 in a sealing and sliding manner, a part of the pressing column 23 extends out of the sliding hole 17, so that the pressing column 23 is pressed against the fixed mold 5 during mold closing, the pressing column 23 moves towards the inside of the sliding hole 17, the pressure inside the cooling cavity 8 is increased, a return spring 18 is arranged between the pressing column 23 and the sliding hole 17, the return spring 18 is compressed when the pressing column 23 is pressed by the fixed mold 5, and the return spring 18 is reset during mold opening to help the pressing column 23 reset, so that the pressure inside the cooling cavity 8 resets to an initial value.
Referring to fig. 6, the pushing mechanism includes a plurality of communicating pipes 19 communicating the cavity 7 and the cooling cavity 8, a push rod 20 is hermetically and slidably disposed in the communicating pipes 19, in an initial state, the push rod 20 is completely located in the communicating pipes 19, and when the pressurizing mechanism pressurizes the cooling cavity 8, the push rod 20 is extended into the cavity 7 to balance the internal pressure of the cooling cavity 8, and simultaneously, the product is pushed out to realize demolding.
Referring to fig. 7, push rod 20 top is provided with spacing piece 21, and 19 mouth of pipe departments of communicating pipe set up with spacing mouthful 22 of spacing piece 21 looks adaptation, through spacing piece 21 and spacing mouthful 22 cooperation, make push rod 20 can not remove to cooling chamber 8 when extreme position again, make push rod 20 when extreme position, spacing piece 21 flushes with die cavity 7 inner wall, when being favorable to the product to mould plastics, die cavity 7 is inside to keep leveling, improves the quality of moulding plastics of product.
Referring to fig. 2, the horizontal cross section of the movable mold 2 is a regular polygon, and the cavity 7 is located at the center of the profile of the side surface of the movable mold 2, so that after the movable mold 2 rotates by the same angle each time, the cavity 7 and the fixed mold 5 can be kept in a corresponding state, and the mold closing is facilitated.
Referring to fig. 3 and 8, guide strips 13 are arranged on two sides of the guide block 9, guide grooves 14 matched with the guide strips 13 are formed in the mounting frame 1, the guide grooves 14 are parallel to the horizontal axis of the fixed die 5, so that the moving direction of the movable die 2 is located on the horizontal axis of the fixed die 5, and the accuracy of die opening and closing is facilitated.
Referring to the figure, the shape of the cooling cavity 8 is consistent with that of the cavity 7, so that the cooling liquid in the cooling cavity 8 acts on each inner wall of the cavity 7, and the cooling rate and the cooling effect are improved.
Wherein, the inner wall material of die cavity 7 is copper or aluminium, and copper and aluminium have higher heat conductivity, do benefit to heat transfer more, are convenient for cool off.
The specific working principle of the invention is as follows:
when the injection molding machine is used, all cooling cavities 8 are filled with cooling liquid, the fixed mold 5 is connected with a sprue of the injection molding machine, the air cylinder 6 is started firstly, the air cylinder 6 drives the guide block 9 to move towards the fixed mold 5 to carry out mold closing, after the mold closing is finished, the injection molding machine is started to inject molten raw materials into the mold, the cooling liquid pipe 12 is introduced into the cooling cavity 8 close to the fixed mold 5 to carry out cooling, then the mold opening is carried out, the movable mold 2 leaves the fixed mold 5 along with the guide block 9 along with the contraction of the air cylinder 6, and due to the action of the one-way bearing, when the gear 15 on the rotating shaft 10 is in contact with the rack 16 on the mounting frame 1, effective rotation does not occur;
then, the vertical horse is subjected to secondary die assembly, when the die assembly is carried out again, the gear 15 and the rack 16 effectively rotate, the rotating shaft 10 drives the movable die 2 to rotate, the position of the cavity 7 which is over against the fixed die 5 is changed, and the cooling cavity 8 corresponding to the cavity 7 with the product is changed into a sealed state.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. An injection mold capable of being rapidly demolded, comprising:
the mounting frame (1) is of a rectangular frame structure, a fixed die (5) is fixedly arranged on one side of the mounting frame (1), and an air cylinder (6) is fixedly arranged on the other side of the mounting frame;
the side surface of the movable die (2) is provided with a plurality of cavities (7), and a cooling cavity (8) corresponding to the cavities (7) is formed in the movable die (2);
the reversing assembly (3) comprises a guide block (9) which is arranged on the mounting frame (1) in a sliding mode, a rotating shaft (10) which is rotatably connected with the guide block (9) is fixedly arranged on the movable die (2), a one-way rotating mechanism is arranged on the rotating shaft (10), the guide block (9) is fixedly connected with the telescopic end of the cylinder (6), and after the cylinder (6) is stretched for one time, the movable die (2) rotates to enable the cavity (7) corresponding to the fixed die (5) to be replaced;
cooling drawing of patterns subassembly (4), cooling drawing of patterns subassembly (4) are including fixed sealed dish (11) that sets up on guide block (9), sealed dish (11) set up with pivot (10) coaxial rotation, be connected with coolant liquid pipe (12) on sealed dish (11), sealed dish (11) are inconsistent tight with movable mould (2), make coolant liquid pipe (12) and cooling chamber (8) intercommunication that corresponds cover half (5), make all the other cooling chamber (8) are sealed, still be equipped with loading system and ejecting mechanism on movable mould (2), when making the compound die, the product that will mould plastics last time is released die cavity (7).
2. An injection mould capable of realizing rapid demoulding according to claim 1, wherein the horizontal section of the movable mould (2) is a regular polygon, and the cavity (7) is positioned at the contour center of the side surface of the movable mould (2).
3. The injection mold capable of realizing rapid demolding according to claim 1, wherein guide strips (13) are arranged on two sides of the guide block (9), and guide grooves (14) matched with the guide strips (13) are formed in the mounting frame (1).
4. The injection mold capable of realizing rapid demolding according to claim 1, wherein the unidirectional rotating mechanism comprises a gear (15) sleeved on the rotating shaft (10), a rack (16) meshed with the gear (15) is arranged on the mounting frame (1), so that when the movable mold (2) moves, the rack (16) drives the gear (15) to rotate, and a unidirectional bearing is arranged between the gear (15) and the rotating shaft (10), so that the gear (15) can only drive the rotating shaft (10) to rotate in a unidirectional manner.
5. An injection mould capable of being demolded quickly according to claim 4, characterized in that a damper is provided between the rotating shaft (10) and the guide block (9) to keep the rotating shaft (10) in its original state without external force.
6. An injection mould capable of being rapidly demoulded according to claim 1, characterised in that the cooling cavity (8) is shaped to conform to the shape of the mould cavity (7) so that the cooling liquid in the cooling cavity (8) acts on the respective inner walls of the mould cavity (7).
7. A rapid-release injection mold according to claim 6, wherein the material of the inner wall of the cavity (7) is copper or aluminum.
8. The injection mold capable of realizing rapid demolding according to claim 1, wherein the pressurizing mechanism comprises a pressing column (23), a sliding hole (17) communicated with the adjacent cooling cavity (8) is formed in the side wall of the movable mold (2), the pressing column (23) is connected with the sliding hole (17) in a sealing and sliding manner, and a return spring (18) is arranged between the pressing column (23) and the sliding hole (17).
9. An injection mold capable of demoulding quickly as claimed in claim 8, wherein the ejecting mechanism comprises a plurality of communicating pipes (19) communicating the mold cavity (7) with the cooling cavity (8), a push rod (20) is arranged in the communicating pipes (19) in a sealing and sliding manner, and when the pressurizing mechanism pressurizes the cooling cavity (8), the push rod (20) is made to extend into the mold cavity (7).
10. The injection mold capable of rapidly demolding according to claim 9, wherein a limiting piece (21) is arranged at the top end of the push rod (20), a limiting opening (22) matched with the limiting piece (21) is formed in the pipe opening of the communication pipe (19), and when the push rod (20) is at the limit position, the limiting piece (21) is flush with the inner wall of the cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210170088.6A CN114474596A (en) | 2022-02-24 | 2022-02-24 | But injection mold of fast demoulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210170088.6A CN114474596A (en) | 2022-02-24 | 2022-02-24 | But injection mold of fast demoulding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114474596A true CN114474596A (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210170088.6A Withdrawn CN114474596A (en) | 2022-02-24 | 2022-02-24 | But injection mold of fast demoulding |
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| CN (1) | CN114474596A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320020A (en) * | 2022-05-18 | 2022-11-11 | 浙江钧圣能源科技有限公司 | An environmentally friendly anti-crack oval flip forming mold |
| CN115352004A (en) * | 2022-09-19 | 2022-11-18 | 浙江天能精工科技有限公司 | Demoulding mechanism for battery plastic shell mould and control method |
| CN116476310A (en) * | 2023-04-18 | 2023-07-25 | 磐纳精密模塑(南通)有限公司 | A plastic rapid prototyping mold |
| CN117047969A (en) * | 2023-08-03 | 2023-11-14 | 太仓意欣智能科技有限公司 | Household electrical appliances mould a injection molding machine |
| CN118342718A (en) * | 2024-04-24 | 2024-07-16 | 迈道装备集团有限公司 | Two trigger with to mould protection |
| CN119369615A (en) * | 2024-12-09 | 2025-01-28 | 深圳市众为精密科技有限公司 | Injection mold and precision injection molding process thereof |
| CN119734401A (en) * | 2025-03-05 | 2025-04-01 | 深圳市亿能科技有限公司 | An injection mold assembly for producing drone wings |
-
2022
- 2022-02-24 CN CN202210170088.6A patent/CN114474596A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320020A (en) * | 2022-05-18 | 2022-11-11 | 浙江钧圣能源科技有限公司 | An environmentally friendly anti-crack oval flip forming mold |
| CN115320020B (en) * | 2022-05-18 | 2025-06-20 | 浙江钧圣能源科技有限公司 | An environmentally friendly, crack-resistant elliptical flip-cover forming mold |
| CN115352004A (en) * | 2022-09-19 | 2022-11-18 | 浙江天能精工科技有限公司 | Demoulding mechanism for battery plastic shell mould and control method |
| CN116476310A (en) * | 2023-04-18 | 2023-07-25 | 磐纳精密模塑(南通)有限公司 | A plastic rapid prototyping mold |
| CN117047969A (en) * | 2023-08-03 | 2023-11-14 | 太仓意欣智能科技有限公司 | Household electrical appliances mould a injection molding machine |
| CN118342718A (en) * | 2024-04-24 | 2024-07-16 | 迈道装备集团有限公司 | Two trigger with to mould protection |
| CN118342718B (en) * | 2024-04-24 | 2024-09-10 | 迈道装备集团有限公司 | Two trigger with to mould protection |
| CN119369615A (en) * | 2024-12-09 | 2025-01-28 | 深圳市众为精密科技有限公司 | Injection mold and precision injection molding process thereof |
| CN119734401A (en) * | 2025-03-05 | 2025-04-01 | 深圳市亿能科技有限公司 | An injection mold assembly for producing drone wings |
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Application publication date: 20220513 |
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