CN116872458A - Injection mold convenient to drawing of patterns - Google Patents
Injection mold convenient to drawing of patterns Download PDFInfo
- Publication number
- CN116872458A CN116872458A CN202310911817.3A CN202310911817A CN116872458A CN 116872458 A CN116872458 A CN 116872458A CN 202310911817 A CN202310911817 A CN 202310911817A CN 116872458 A CN116872458 A CN 116872458A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- die
- mold core
- fixedly connected
- mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 46
- 239000007924 injection Substances 0.000 title claims abstract description 46
- 238000000926 separation method Methods 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 38
- 210000001503 joint Anatomy 0.000 claims description 27
- 241000251468 Actinopterygii Species 0.000 claims description 23
- 239000003292 glue Substances 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims 2
- 238000004513 sizing Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/43—Removing or ejecting moulded articles using fluid under pressure
-
- 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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C2045/338—Mould parts with combined axial and transversal movements
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection molds, in particular to an injection mold convenient to demolding, which comprises the following components: a mold support for mounting the entire mold set; the adjusting base is arranged on the die support in a petal shape and comprises an internal adjusting part and a limiting part penetrating through the slideway, and the internal adjusting part is fixedly connected with the limiting part. The ejecting part is when the mold core is the state of accomodating, the ejecting part presents the state that offsets with the separation board of both sides, guaranteed that the separation board of both sides is complete state with the mold core cover, two are separated from the board like this and can be drawn in, and then can realize the state that part breaks away from with the shaping goods inner wall, and then in this condition, can be convenient for carry out the drawing of patterns operation, in addition, the die head piece can be with the product of shaping on the mold core being released when breaking away from, like this can make the product when the drawing of patterns, can not be because the dead material of inside fixed, cause the product to appear the condition of sizing when breaking away from, the speed of drawing of patterns has been improved.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to an injection mold convenient to demold.
Background
The mould is a variety of moulds and tools used for injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production to obtain the required products. The injection mold is a method of obtaining a molded product by injecting a plastic material, which is completely melted by stirring with a screw at a certain temperature, into a mold cavity by high pressure and cooling and solidifying.
When the existing injection mold is used for cooling and molding slurry, the slurry in the injection mold is gradually in a solid state, and forms change along with cold shrinkage, so that a finished product is adsorbed on a mold core, particularly a product molded by adopting a built-in mold core and a mold sleeve, the adsorption force is stronger, and a negative pressure state exists in the injection mold, so that the finished product is required to be manually pulled out from the mold core in the molding and blanking process, the hard pulling mode is difficult to operate, and the product is easy to damage.
Disclosure of Invention
In order to solve the technical problems, the invention provides an injection mold convenient to demolding.
The technical scheme of the invention is realized as follows:
an injection mold for facilitating demolding, comprising:
a mold support for mounting the entire mold set;
the adjusting base is arranged on the die support in a petal shape and comprises an internal adjusting part and a limiting part penetrating through the slideway, and the internal adjusting part is fixedly connected with the limiting part;
the bottom die sleeve is elastically arranged on the limiting part, the bottom die sleeve is contacted with the top die sleeve to form an injection cavity, the bottom die sleeve comprises a movable die sleeve, one side of the movable die sleeve is fixedly connected with a limiting slide block, the limiting slide block penetrates through the slide way, the outer top of the limiting slide block is fixedly connected with a pressing rod, the pressing rod penetrates through the top die sleeve, the top die sleeve comprises a fixed die sleeve, the bottom of the fixed die sleeve is provided with a heat-resistant silica gel rod, the bottom of the heat-resistant silica gel rod is provided with a guide rod penetrating through the die core and the bottom of the guide rod is inclined to the die support, and the top die sleeve further comprises a glue injection nozzle penetrating through the fixed die sleeve;
the mold core is arranged in the injection molding cavity, a molding space is reserved between the mold core and the inner walls of the bottom mold sleeve and the top mold sleeve, the mold core comprises a mold core sleeve, the mold core sleeve is hinged to one side of the inner wall of the top mold sleeve, one end of the mold core sleeve is sleeved with a separation sleeve, the separation sleeve is in contact with the inner walls of the bottom mold sleeve and the top mold sleeve, the other end of the mold core sleeve is provided with an ejection part, the ejection part extends outwards when the bottom mold sleeve and the top mold sleeve are separated, the mold core sleeve and the ejection part are provided with two separation plates in the height direction, when the ejection part extends outwards, the two separation plates are close, an elastic adjusting part is arranged in the inner cavity of the mold core sleeve along the length direction, the elastic adjusting part is used for enabling the ejection part to reciprocate in the length direction, the upper side and the lower side of the inner wall of the mold core sleeve are provided with air pressure balancing mechanisms, and the air pressure balancing mechanisms jump up and down in the process of the ejection part;
the operation arm mechanism comprises a butt joint glue supply mechanism and a telescopic cylinder pressing mechanism, wherein the butt joint glue supply mechanism is used for providing injection molding slurry, and the telescopic cylinder pressing mechanism is used for separating a bottom die sleeve and a top die sleeve.
Further, the adjusting part comprises a sliding disc, a sliding sheet is arranged at the position, close to the slideway, of the sliding disc, and the sliding disc is supported by an electric push rod arranged at the bottom of the inner wall of the die support.
Further, the limiting part comprises a sliding column fixedly connected to the outer side of the sliding sheet, the outer side of the sliding column is fixedly connected with a supporting plate through a sliding sleeve, a sliding rod penetrates through the supporting plate, the sliding rod is elastically arranged at the top of the supporting plate through a compression spring, and the top end of the sliding rod is in threaded connection with the bottom die sleeve.
Further, the mold core is sleeved with an operation cavity, the upper portion of the mold core is provided with an insertion opening, the operation cavity is internally provided with guide wheels, the upper side and the lower side of the mold core are respectively provided with a communication opening, both sides of the inner wall of the communication opening are respectively and movably provided with a seal, and one side, close to the separation plate, of the mold core is provided with a limiting slat.
Further, the ejecting part comprises a die head block which is abutted to one side of the separation plate, inner caulking grooves are formed in the upper side and the lower side of the die head block, U-shaped spring pieces are fixedly connected to the inner walls of the inner caulking grooves, wooden fish plates are fixedly connected to the outer sides of the U-shaped spring pieces, and the wooden fish plates are used for limiting the separation plate.
Further, the breaking away from the board includes the side direction board, the side direction board is close to the position of spacing slat is provided with the bayonet socket groove, the side direction inboard is provided with first elastic strip, the one end of first elastic strip is in the sliding tray that sets up on the mold core cover is interior to be removed, the upper and lower both sides of sliding tray all are provided with spacing, spacing with first elastic strip contact, one side of first elastic strip is provided with the second elastic strip through the elastic plate elasticity, the side direction inboard is provided with the dwang, be provided with on the dwang the second elastic strip, the one end of first elastic strip is provided with protruding strip, protruding strip chucking is in the caulking groove that second elastic strip one side was seted up, the side direction inboard is close to the position of wooden fish board is provided with the wooden fish groove.
Further, the air pressure balance mechanism comprises a connecting strip, the equal fixedly connected with carrier plate in both sides of connecting strip, carrier plate elastic connection is in one side of mold core cover inner wall, run through on the carrier plate and be provided with the pneumatic column, the top of pneumatic column runs through and is provided with fixed slat, fixes on the inner wall of mold core cover through the sealing frame around the fixed slat, the sealing frame has ductility, the equidistant fixedly connected with trapezoidal strip in top of fixed slat, two top movable rods of fixedly connected with in the middle part of the bottom of fixed slat, elastic connection is provided with L shape strip on the top movable rod, the one end fixed connection of L shape strip is in on the elastic adjustment part, fixedly connected with track change strip on the connecting strip, the right-hand member cover of track change strip is equipped with the track slide, be provided with the track groove on the track slide.
Further, the air pressure column comprises an air flow sleeve, a compression pipe is arranged at the top of the air flow sleeve, a plurality of elastic spaces are arranged on the outer surface of the compression pipe at equal intervals, a one-way air valve is arranged in the air flow sleeve, and an access sleeve is fixedly communicated with the top end of the compression pipe.
Further, the elasticity regulation part includes the release rope, the one end fixed connection of release rope is in one side of operation intracavity wall, the other end fixedly connected with pull rod of release rope, the pull rod passes through powerful spring elastic connection and is in on the mold core cover, the other end fixed connection of pull rod is in one side of die head piece, one side fixedly connected with of pull rod is undulant slide, undulant slide with the top moves the pole contact, the overlap joint of release rope is in on the leading wheel, just the release rope is pushed down by the guide bar.
Further, be provided with the injecting hole in the injecting nozzle, injecting nozzle top is provided with the butt joint, just the bottom both sides of butt joint are through spring and injecting nozzle inner wall connection, the discharge gate outer wall fixedly connected with connecting rod of butt joint, connecting rod end fixedly connected with locking stopper, the expansion hole has been seted up in the middle of the injecting hole, works as when the butt joint is unstressed, the expansion hole is plugged up to locking stopper and injecting hole top junction, works as when the butt joint is pushed down, the connecting rod drives the locking stopper and removes to the expansion downthehole, and makes the upper and lower injecting hole in expansion hole switches on.
The invention has the following beneficial effects:
1. through setting up the regulation base, when the drawing of patterns, the die block cover is when being pushed down, and when the die block cover is close to the regulation base, distance between the two diminishes, can be for the inside mold core can move down, and then can provide operating space for the drawing of patterns, adjusts the effect that the effect of base accessible electric putter realization was adjusted from top to bottom, when carrying out whole maintenance to the mould, the bottom die cover that the accessible electric putter made on the holistic mould group was revised earlier and is removed, and then can once only remove all die block covers, is convenient for overhaul and clear away inside dead material.
2. The lower pressure bar drives the movable die sleeve to move downwards, and then the movable die sleeve and the fixed die sleeve realize the state of separation, at this moment, spacing frame on the mold core moves downwards on the gag lever post, the mold core moves downwards from the inner chamber of the fixed die sleeve, and expose completely, the shaping space that shaping spare formed from bottom die sleeve and top die sleeve at this moment separates out, the mold core is in guide bar gliding in-process, by the state of guide bar direction to gradually inclining, and receive the mold core gravity effect down, the mold core makes heat-resisting silica gel stick crooked, the outer end of mold core presents the state of slope like this, can provide the state of unloading for the unloading like this.
3. When the mold core is in a storage state, the ejection part and the separation plates at the two sides are in a propped state, the separation plates at the two sides are in a complete state with the mold core sleeve, the wooden fish plates in the ejection part are positioned in the wooden fish groove, when the ejection part moves outwards, the width end of the wooden fish plate on the ejection part and the inner wall of the wooden fish groove form a propped state, so that the wooden fish plate in the moving-out direction cannot move, the wooden fish plate can drive the separation plates to move outwards for a certain distance, the limiting lath moves out of the bayonet groove, and meanwhile, the first elastic strip moves out of between the two limiting laths, so that the separation plates have a condition of outwards micro-motion, the mold head block is separated from the separation plates at the two sides, the two separation plates can be folded, and then the partial separation state with the inner wall of a molded product can be realized, and then in the condition, demolding operation can be conveniently carried out.
4. When the position slat moves out from the bayonet slot, under the condition of elastic rotation of the elastic plate, one end of the second elastic strip rotates, and then the lateral plate is driven to move inwards through the rotating rod, so that the lateral plate is separated from the inner wall of the finished product, and the lateral plates are slightly adjusted outwards due to the fact that the width ends of the wooden fish plates are separated from the inner wall of the wooden fish slot in the process, so that the lateral plates on two sides can be separated from the adsorption state between the part of the finished product and the lateral plates and the mold core sleeve, the adsorption state formed inside is conveniently switched into the separation state, the blanking speed is improved, and the quality of the finished product is also improved.
5. Through the use of air pressure balance mechanism, when the pull rod slides, the track change groove on the track change slide makes track change strip inwards displace from the outside, and then after the position of fixed slat is adjusted, when the fluctuation slide moves along with it, and then the fluctuation slide makes top movable rod reciprocate when moving, can make fixed slat vibrations from top to bottom like this, after fixed slat and mold core cover separation, the state that trapezoidal strip breaks away from the strip of offseting with the strip of both sides, and then there is the clearance between strip of paper used for sealing and the trapezoidal strip, originally fashioned goods is when cooling, shrinkage volume reduces, adsorb on the mold core cover, through the production of clearance, inside is the state of ordinary pressure from the state of negative pressure, and then make the inside effectual and the mold core cover separation of goods, and fixed slat can compress the air pressure post when vibrations, the air pressure post is carried outside to the outside of fixed slat, can be effectively with goods and mold core cover separation like this, realization drawing of patterns operation like this can be quick.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of a bottom and top mold sleeve of the present invention;
FIG. 3 is a bottom view of the adjustment base of the present invention;
FIG. 4 is a perspective view of a top view of the present invention;
FIG. 5 is a side view of the present invention;
FIG. 6 is a side perspective view of the adjustment base of the present invention;
FIG. 7 is a front cross-sectional view of a perspective view of the bottom and top mold sleeves of the present invention;
FIG. 8 is a front cross-sectional view of the bottom and top sleeves of the present invention;
FIG. 9 is a schematic view of a mold core of the present invention;
FIG. 10 is an enlarged view of FIG. 9A in accordance with the present invention;
FIG. 11 is a side perspective view of a mold core of the present invention;
FIG. 12 is an enlarged view of the invention at B in FIG. 11;
FIG. 13 is a perspective view of the air pressure balance mechanism and the elastic regulating portion of the present invention;
FIG. 14 is a schematic view of an elastic regulating portion in the present invention;
fig. 15 is an enlarged view of fig. 7 at C in accordance with the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments 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.
Referring to fig. 1 to 15, an injection mold for facilitating demolding, comprising:
a die support 1 for mounting the entire die set;
the adjusting base 2 is arranged on the die support 1 in a petal shape, the adjusting base 2 comprises an inner adjusting part and a limiting part penetrating through the slideway 101, and the inner adjusting part is fixedly connected with the limiting part; the adjusting part comprises a sliding disc 205, a sliding sheet 207 is arranged at the position, close to the slideway 101, of the sliding disc 205, and the sliding disc 205 is supported by an electric push rod 204 arranged at the bottom of the inner wall of the die support 1;
the limiting part comprises a sliding column 206 fixedly connected to the outer side of a sliding sheet 207, a supporting plate 201 is fixedly connected to the outer side of the sliding column 206 through a sliding sleeve 208, and a sliding rod 202 penetrates through the supporting plate 201. The slide bar 202 is elastically arranged at the top of the supporting plate 201 through the compression spring 203, and the top end of the slide bar 202 is connected with the bottom die sleeve 3 in a threaded manner.
Through setting up adjusting base 2, when the drawing of patterns, die block cover 3 is pushed down, and when die block cover 3 is close to adjusting base 2, distance between the two diminishes, can be for inside mold core 6 can down move, and then can provide operating space for the drawing of patterns, adjusts the effect that base 2 accessible electric putter 204 realized adjusting from top to bottom, when the mould is overhauld wholly, the bottom die cover 3 on the holistic mould group of accessible electric putter 204 makes the modification move earlier, and then can once only get off all bottom die cover 3, the maintenance of being convenient for and clear away inside dead material.
The bottom die sleeve 3 and the top die sleeve 4 are elastically arranged on the limiting part, the bottom die sleeve 3 and the top die sleeve 4 are contacted to form an injection cavity, the bottom die sleeve 3 comprises a movable die sleeve 31, one side of the movable die sleeve 31 is fixedly connected with a limiting slide block 32, the limiting slide block 32 penetrates through a slide way 101, the top outside the limiting slide block 32 is fixedly connected with a lower pressing rod 33, and the lower pressing rod penetrates through the top die sleeve 4;
the top die sleeve 4 comprises a fixed die sleeve 41, a heat-resistant silica gel rod 42 is arranged at the bottom of the fixed die sleeve 41, a guide rod 43 penetrating through a die core 6 and inclining towards the die support 1 at the bottom end is arranged at the bottom of the heat-resistant silica gel rod 42, the top die sleeve 4 further comprises a glue injection nozzle 47 penetrating through the fixed die sleeve 41, a glue injection hole 49 is arranged in the glue injection nozzle 47, a butt joint 44 is arranged above the glue injection nozzle 47, two sides of the bottom of the butt joint 44 are connected with the inner wall of the glue injection nozzle 47 through springs, a connecting rod 45 is fixedly connected with the outer wall of a discharge hole of the butt joint 44, a locking plug 46 is fixedly connected with the tail end of the connecting rod 45, an amplifying hole 48 is formed in the middle of the glue injection hole 49, when the butt joint 44 is not stressed, the locking plug 46 blocks the joint 48 and the joint above the glue injection hole 49, a closed state is further achieved, sundries are prevented from blocking the glue injection hole 49, when the butt joint 44 is pressed down, the connecting rod 45 drives the locking plug 46 to move into the amplifying hole 48, and the upper and lower glue injection hole 49 of the amplifying hole 48 is smoothly injected.
When the bottom die sleeve 3 and the top die sleeve 4 are in contact, an injection molding state is formed, when the butt joint glue supply mechanism on the operating arm mechanism 5 moves downwards, the butt joint glue supply mechanism is communicated with the external paste supply mechanism and is in up-down movement operation by an electric push rod arranged above, the butt joint glue supply mechanism contacts with the butt joint 44 and enables the butt joint 44 to move downwards, when the butt joint 44 moves downwards, the connecting rod 45 drives the locking plug 46 to move into the amplifying hole 48 and enables the upper and lower material injection holes 49 of the amplifying hole 48 to be communicated, so that the connection is completed, injection molding paste enters into a molding space 7 formed by the bottom die sleeve 3 and the top die sleeve 4, the molding operation is completed, and when the telescopic cylinder pressing mechanism on the operating arm mechanism 5 moves downwards, the telescopic cylinder pressing mechanism contacts with the pressing rod 33, the lower pressure rod 33 drives the movable die sleeve 31 to move downwards, so that the movable die sleeve 31 and the fixed die sleeve 41 are separated, at this time, the limit frame 67 on the die core 6 moves downwards on the limit rod 68, the die core 6 moves downwards from the inner cavity of the fixed die sleeve 41 and is completely exposed, at this time, the forming part is separated from the forming space 7 formed by the bottom die sleeve 3 and the top die sleeve 4, the die core 6 is guided to a gradually inclined state by the guide rod 43 in the sliding process of the guide rod 43 and is under the action of the gravity of the die core 6, the die core 6 makes the heat-resistant silica gel rod 42 bend, so that the outer end of the die core 6 presents an inclined state, thus providing a blanking state for blanking, and it is required to be stated that the guide rod 43 is still inserted on the die core 6 when the die core 6 is completely in the blanking state, thus when the bottom die sleeve 3 and the top die sleeve 4 are closed next time, the mold core 6 can be quickly brought to a horizontal state.
The mold core 6 is arranged in the injection molding cavity, a molding space 7 is reserved on the inner walls of the mold core 6, the bottom mold sleeve 3 and the top mold sleeve 4, the mold core 6 comprises a mold core sleeve 61, an operation cavity 612 is arranged on the mold core sleeve 61, an inserting port 611 is arranged on the operation cavity 612, guide wheels 613 are arranged on the upper side and the lower side of the mold core sleeve 61, communication ports are respectively arranged on the two sides of the inner wall of the communication ports, sealing strips 614 are movably arranged on the two sides of the inner wall of the communication ports, a limit slat 615 is arranged on one side, close to the release plate 64, of the mold core sleeve 61, the mold core sleeve 61 is hinged to one side of the inner wall of the top mold sleeve 4, a separation sleeve 62 is sleeved on one end of the mold core sleeve 61, the separation sleeve 62 is in contact with the inner walls of the bottom mold sleeve 3 and the top mold sleeve 4, an ejection part 63 is arranged on the other end of the mold core sleeve 61, the ejection part 63 comprises a mold head block 631 abutting against one side of the release plate 64, a built-in groove 632 is respectively arranged on the upper side and lower side of the mold block 631, a U-shaped spring mount 633 is fixedly connected to the inner wall of the built-in groove 632, a wooden fish 634 is fixedly connected to the outer side of the built-up in the U-shaped mount and is used for limiting the release plate 64;
when the ejection part 63 is in the storage state of the mold core 6, the ejection part 63 and the release plates 64 at the two sides are in the abutting state, the fact that the release plates 64 at the two sides are in the complete state with the mold core sleeve 61 is ensured, the wooden fish plate 634 in the ejection part 63 is located in the wooden fish groove 649, when the ejection part 63 moves outwards, the width end of the wooden fish plate 634 on the ejection part 63 and the inner wall of the wooden fish groove 649 form the abutting state, so that the wooden fish plate 634 in the moving-out direction cannot move, the wooden fish plate 634 can drive the release plates 64 to move outwards for a certain distance, the limiting strip 615 moves out of the bayonet groove 642, meanwhile, the first elastic strip 644 moves out from between the two limiting strips 643, so that the release plates 64 have the condition of outwards micro-movement, the die head block 631 is separated from the release plates 64 at the two sides, so that the two release plates 64 can be folded together, and can be in a local release state with the inner wall of a molded product, and in this condition, the demolding operation can be conveniently performed, in addition, when the die head block can push out a product molded on the mold 6, so that the product can be pushed out from the bayonet groove 642, and the product can not be released, and the demolding speed can not be fixed when the product is in the demolding situation, and the demolding speed is increased.
The ejector part 63 is outwards extended when the bottom die sleeve 3 and the top die sleeve 4 are separated, the die core sleeve 61 and the ejector part 63 are provided with two disengaging plates 64 in the height direction, when the ejector part 63 is outwards extended, the two disengaging plates 64 are close, the elastic adjusting part 66 is arranged in the inner cavity of the die core sleeve 61 along the length direction, the elastic adjusting part 66 is used for enabling the ejector part 63 to reciprocate in the length direction, the upper side and the lower side of the inner wall of the die core sleeve 61 are provided with air pressure balancing mechanisms 65, the air pressure balancing mechanisms 65 jump up and down in the process of outwards extending the ejector part 63, the disengaging plates 64 comprise lateral plates 641, bayonet grooves 642 are formed in positions of the lateral plates 641 close to the limiting plates 615, first elastic strips 644 are arranged on the inner sides of the lateral plates 641, one ends of the first elastic strips 644 move in sliding grooves formed in the die core sleeve 61, the upper side and lower side of the sliding grooves are respectively provided with limiting strips 643, one side of the first elastic strips 643 is contacted with the first elastic strips 644, one side of the first elastic strips 647 is elastically provided with second elastic strips 646, the inner sides of the lateral plates 641 are provided with rotating rods 645, the first elastic strips 646 are arranged on the inner sides of the first elastic strips 6474 are arranged close to the inner sides of the first elastic strips 646, and the first elastic strips are arranged on the inner sides of the protruding grooves 648 are arranged close to the inner sides of the side of the elastic strips 646.
In the above embodiment, in order to ensure that the molded product is separated from the mold core in the demolding process, after the positioning plate 615 moves out of the bayonet slot 642, under the condition of elastic rotation of the elastic plate 647, one end of the second elastic strip 646 rotates, and then drives the lateral plate 641 to move inwards through the rotating rod 645, so that the lateral plate 641 is separated from the inner wall of the finished product, and the lateral plate 641 is fine-tuned outwards when the width end of the wooden fish plate 634 is separated from the inner wall of the wooden fish slot 649 in the demolding process, so that the lateral plates 641 on both sides can separate the part of the finished product from the lateral plate 641 and the mold core sleeve 61 from an adsorption state, so that the adsorption state formed inside is conveniently switched to a separation state, further the blanking speed is improved, and the quality of the finished product is improved.
The air pressure balance mechanism 65 includes the connecting rod 651, the both sides of connecting rod 651 are all fixedly connected with carrier plate 652, carrier plate 652 elastic connection is in one side of mold core cover 61 inner wall, run through on carrier plate 652 and be provided with air pressure post 653, the top of air pressure post 653 runs through and is provided with fixed lath 654, fixed lath 654 is fixed on the inner wall of mold core cover 61 through the sealing frame all around, the sealing frame has ductility, the equidistant fixedly connected with trapezoidal strip 655 in top of fixed lath 654, the bottom middle part fixedly connected with two top movable rods 656 of fixed lath 654, elastic connection is provided with L shape strip 657 on the top movable rod 656, the one end fixed connection of L shape strip 657 is on elastic adjustment part 66, fixedly connected with track changing strip 6510 on the connecting rod 651, the right-hand member cover of track changing strip 6510 is equipped with track changing slide 658, be provided with track changing groove 659 on the track changing slide 658, the track groove 659 has the incline portion and the flat portion, the effect of horizontal portion is, when making track changing strip 6510 get into, the guide, and then change strip 6510 applys pressure to connecting strip 651, make it form the air pressure to the fixed position when the fixed displacement to the place of displacement 654, can be used for the fixed displacement to make the fixed position when the fixed displacement 654, when the fixed displacement is used for the fixed displacement place is changed to the fixed position to the place, the fixed position is changed to the displacement 654, and the displacement is used for the fixed position to the displacement to the place.
The air pressure column 653 comprises an air flow sleeve 6531, a compression pipe 6532 is arranged at the top of the air flow sleeve 6531, a plurality of elastic spaces 6533 are equidistantly arranged on the outer surface of the compression pipe 6532, a one-way air valve 6535 is arranged in the air flow sleeve 6531, and an access sleeve 6534 is fixedly communicated with the top end of the compression pipe 6532.
The elastic adjusting portion 66 includes a release rope 661, one end of the release rope 661 is fixedly connected to one side of the inner wall of the operation cavity 612, the other end of the release rope 661 is fixedly connected with a pull rod 662, the pull rod 662 is elastically connected to the die core sleeve 61 through a strong spring 664, the other end of the pull rod 662 is fixedly connected to one side of the die head block 631, one side of the pull rod 662 is fixedly connected with a fluctuation slideway 663, the fluctuation slideway 663 is in contact with the pushing rod 656, the release rope 661 is lapped on the guide wheel 613, and the release rope 661 is pressed down by the guide rod 43.
Through setting up elasticity adjustment part 66, when guide bar 43 runs through mold core cover 61 completely, guide bar 43 pushes down release rope 661 after, release rope 661 crooked will die head piece 631 back for ejecting part 63 presents the state that offsets with the separation plate 64 of both sides, forms complete state, and when guide bar 43 and mold core cover 61 when present the state of slope, powerful spring 664 makes pull rod 662 outside remove, and then can promote the goods of shaping on mold core 6, realizes the purpose of quick unloading like this.
Through the use of the air pressure balancing mechanism 65, when the pull rod 662 slides, the track changing groove 659 on the track changing slideway 658 enables the track changing bar 6510 to displace inwards from the outside, after the position of the fixed slat 654 is adjusted, when the fluctuation slideway 663 moves along with the track changing bar, the fluctuation slideway 663 enables the jacking rod 656 to move up and down during moving, so that the fixed slat 654 vibrates up and down, after the fixed slat 654 is separated from the mold core sleeve 61, the trapezoidal bar 655 is separated from the sealing strip 614 on two sides, a gap exists between the sealing strip 614 and the trapezoidal bar 655, the cold shrinkage volume of an originally molded product is reduced during cooling, the originally molded product is adsorbed on the mold core sleeve 61, the inside is in a normal pressure state through the generation of the gap, the inside of the product is effectively separated from the mold core sleeve 61, moreover, the fixed slat 654 can compress an air pressure column 653 during vibration, the air column 653 conveys outside air to the outer side of the fixed slat 654, so that the product and the mold core sleeve 61 can be effectively separated, and the demolding operation can be realized rapidly.
The operation arm mechanism 5, the operation arm mechanism 5 includes butt joint glue supply mechanism and flexible cylinder pushing down mechanism, and butt joint glue supply mechanism is used for providing the thick liquid that moulds plastics, and flexible cylinder pushing down mechanism is used for separating bottom die sleeve 3 and top die sleeve 4.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. An injection mold facilitating demolding, comprising:
a die support (1) for mounting the entire die set;
the adjusting base (2) is arranged on the die support (1) in a petal shape, the adjusting base (2) comprises an inner adjusting part and a limiting part penetrating through the slideway (101), and the inner adjusting part is fixedly connected with the limiting part;
the bottom die sleeve (3) and the top die sleeve (4), the bottom die sleeve (3) is elastically arranged on the limiting part, the bottom die sleeve (3) and the top die sleeve (4) are contacted to form an injection cavity, the bottom die sleeve (3) comprises a movable die sleeve (31), one side of the movable die sleeve (31) is fixedly connected with a limiting slide block (32), the limiting slide block (32) penetrates through the slide way (101), the outer top of the limiting slide block (32) is fixedly connected with a pressing rod (33), the pressing rod penetrates through the top die sleeve (4), the top die sleeve (4) comprises a fixed die sleeve (41), a heat-resistant silica gel rod (42) is arranged at the bottom of the fixed die sleeve (41), a guide rod (43) penetrating through the die core (6) and the bottom of the heat-resistant silica gel rod is obliquely arranged to the die support (1), and the top die sleeve (4) further comprises a glue injection nozzle (47) penetrating through the fixed die sleeve (41);
the mold core (6), mold core (6) set up in the intracavity of moulding plastics, just mold core (6) with die block cover (3) and top die cover (4) inner wall are reserved and are had shaping space (7), mold core (6) include mold core cover (61), mold core cover (61) are articulated one side of top die cover (4) inner wall, one end cover of mold core cover (61) is equipped with separation cover (62), just separation cover (62) with die block cover (3) and top die cover (4) inner wall contact, the other end of mold core cover (61) is provided with ejection part (63), ejection part (63) are outwards stretched out when die block cover (3) and top die cover (4) are separated, mold core cover (61) with ejection part (63) are provided with two release plates (64) in the direction of height, and when ejection part (63) are outwards stretched, two release plates (64) draw close, elasticity adjustment part (66) are along length direction setting up in mold core cover (61) inner wall (63) are provided with air pressure balance mechanism (65) on both sides, mold core (61) are provided with the upward in the direction of the reciprocal mechanism (65), the air pressure balance mechanism (65) jumps up and down in the process of extending the ejection part (63);
the operation arm mechanism (5), the operation arm mechanism (5) comprises a butt joint glue supply mechanism and a telescopic cylinder pressing mechanism, the butt joint glue supply mechanism is used for providing injection slurry, and the telescopic cylinder pressing mechanism is used for separating a bottom die sleeve (3) and a top die sleeve (4).
2. An injection mould according to claim 1, characterized in that the adjusting part comprises a sliding disc (205), the sliding disc (205) is provided with a sliding sheet (207) close to the slideway (101), and the sliding disc (205) is supported by an electric push rod (204) arranged at the bottom of the inner wall of the mould support (1).
3. The injection mold convenient to demolding according to claim 2, wherein the limiting portion comprises a sliding column (206) fixedly connected to the outer side of the sliding sheet (207), the outer side of the sliding column (206) is fixedly connected with a supporting plate (201) through a sliding sleeve (208), a sliding rod (202) penetrates through the supporting plate (201), the sliding rod (202) is elastically arranged at the top of the supporting plate (201) through a compression spring (203), and the top end of the sliding rod (202) is in threaded connection with the bottom mold sleeve (3).
4. An injection mould convenient for demoulding according to claim 3, characterized in that the mould core sleeve (61) is provided with an operation cavity (612), the operation cavity (612) is provided with an insertion port (611), guide wheels (613) are arranged in the operation cavity (612), the upper side and the lower side of the mould core sleeve (61) are respectively provided with a communication port, both sides of the inner wall of the communication port are respectively movably provided with a seal (614), and one side, close to the separation plate (64), of the mould core sleeve (61) is provided with a limit slat (615).
5. The injection mold convenient for demolding according to claim 4, wherein the ejection portion (63) comprises a die block (631) abutted against one side of the detachment plate (64), inner slots (632) are formed in the upper side and the lower side of the die block (631), a U-shaped spring piece (633) is fixedly connected to the inner wall of each inner slot (632), a wooden fish plate (634) is fixedly connected to the outer side of each U-shaped spring piece (633), and the wooden fish plate (634) is used for limiting the detachment plate (64).
6. The injection mold with convenient demolding according to claim 5, wherein the release plate (64) comprises a lateral plate (641), a bayonet groove (642) is formed in a position, close to the limit plate (615), of the lateral plate (641), a first elastic strip (644) is formed in the inner side of the lateral plate (641), one end of the first elastic strip (644) moves in a sliding groove formed in the mold core sleeve (61), limit strips (643) are formed in the upper side and the lower side of the sliding groove, the limit strips (643) are in contact with the first elastic strip (644), a second elastic strip (646) is elastically formed in one side of the first elastic strip (644) through an elastic plate (647), a rotating rod (645) is arranged in the inner side of the lateral plate (641), a second elastic strip (646) is arranged on the rotating rod (645), one end of the first elastic strip (644) moves in a sliding groove formed in the mold core sleeve (61), the protruding strip (648) is in the second elastic strip (644), and a position, close to the wood groove (649) is formed in the side, close to the wood groove (649) of the lateral plate (649).
7. The injection mold convenient to demolding according to claim 6, wherein the air pressure balancing mechanism (65) comprises a connecting bar (651), two sides of the connecting bar (651) are fixedly connected with a carrier plate (652), the carrier plate (652) is elastically connected to one side of the inner wall of the mold core sleeve (61), an air pressure column (653) is arranged on the carrier plate (652) in a penetrating manner, a fixing bar plate (654) is arranged on the top end of the air pressure column (653) in a penetrating manner, the periphery of the fixing bar plate (654) is fixed on the inner wall of the mold core sleeve (61) through a sealing frame, the sealing frame has ductility, trapezoidal bars (655) are fixedly connected to the top of the fixing bar plate (654) at equal distance, two top moving bars (656) are fixedly connected to the bottom middle of the fixing bar (654), L-shaped bars (657) are elastically arranged on the top moving bars (656), one end of the L-shaped bars (657) is fixedly connected to the elastic adjusting portion (66), a fixing bar (6510) is fixedly connected to the inner wall of the mold core sleeve (61), and a sliding rail end of the fixing bar (6510) is provided with a sliding rail groove (659).
8. The injection mold convenient to demolding according to claim 7, wherein the air pressure column (653) comprises an air flow sleeve (6531), compression pipes (6532) are arranged at the top of the air flow sleeve (6531), a plurality of elastic spaces (6533) are equidistantly arranged on the outer surfaces of the compression pipes (6532), a one-way air valve (6535) is arranged in the air flow sleeve (6531), and an access sleeve (6534) is fixedly communicated with the top end of the compression pipe (6532).
9. The injection mold with convenient demolding according to claim 8, wherein the elastic adjusting portion (66) comprises a release rope (661), one end of the release rope (661) is fixedly connected to one side of the inner wall of the operation cavity (612), the other end of the release rope (661) is fixedly connected with a pull rod (662), the pull rod (662) is elastically connected to the mold core sleeve (61) through a strong spring (664), the other end of the pull rod (662) is fixedly connected to one side of the mold head block (631), one side of the pull rod (662) is fixedly connected with a fluctuation slideway (663), the fluctuation slideway (663) is in contact with the pushing rod (656), the release rope (661) is lapped on the guide wheel (613), and the release rope (661) is pressed down by the guide rod (43).
10. The injection mold convenient for demolding according to claim 1, wherein a material injection hole (49) is formed in the glue injection nozzle (47), a butt joint (44) is arranged above the glue injection nozzle (47), two sides of the bottom of the butt joint (44) are connected with the inner wall of the glue injection nozzle (47) through springs, a connecting rod (45) is fixedly connected to the outer wall of a discharge hole of the butt joint (44), a locking plug (46) is fixedly connected to the tail end of the connecting rod (45), an expansion hole (48) is formed in the middle of the material injection hole (49), when the butt joint (44) is not stressed, the locking plug (46) blocks the joint between the expansion hole (48) and the upper part of the material injection hole (49), and when the butt joint (44) is pressed down, the connecting rod (45) drives the locking plug (46) to move into the expansion hole (48) and enables the upper and lower material injection holes (49) of the expansion hole (48) to be conducted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310911817.3A CN116872458A (en) | 2023-07-24 | 2023-07-24 | Injection mold convenient to drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310911817.3A CN116872458A (en) | 2023-07-24 | 2023-07-24 | Injection mold convenient to drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116872458A true CN116872458A (en) | 2023-10-13 |
Family
ID=88261923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310911817.3A Pending CN116872458A (en) | 2023-07-24 | 2023-07-24 | Injection mold convenient to drawing of patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116872458A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146955A (en) * | 2021-04-15 | 2021-07-23 | 刘超 | Continuous injection molding system based on rapid cooling and injection molding method thereof |
| CN116352989A (en) * | 2023-05-22 | 2023-06-30 | 广东晟泰科技有限公司 | Split injection mold |
-
2023
- 2023-07-24 CN CN202310911817.3A patent/CN116872458A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146955A (en) * | 2021-04-15 | 2021-07-23 | 刘超 | Continuous injection molding system based on rapid cooling and injection molding method thereof |
| CN116352989A (en) * | 2023-05-22 | 2023-06-30 | 广东晟泰科技有限公司 | Split injection mold |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220482290U (en) | Sole mould convenient to form removal | |
| CN116872458A (en) | Injection mold convenient to drawing of patterns | |
| CN219294614U (en) | Drinking water packaging bottle injection mold convenient to drawing of patterns | |
| CN109262990B (en) | Automobile heater shell injection mold | |
| CN216635260U (en) | Plastic mold structure capable of simultaneously performing core pulling and parting inside and outside | |
| CN216267413U (en) | Elastic demolding structure of injection molding mold | |
| CN213891118U (en) | Movable cooling die type mechanical drive horizontal injection molding machine die | |
| CN209465673U (en) | A kind of die casting for facilitating bearing plate to remove | |
| CN107901360B (en) | Automatic ejection device with time delay function and mold with same | |
| CN206475382U (en) | Water dividing gap injection moulding apparatus in a kind of mould | |
| CN220095390U (en) | Electric motor car lamp body mould core side internal disengaging mechanism | |
| CN220661631U (en) | Quick ejection mechanism | |
| CN218535394U (en) | Double-color mold based on instrument lamp box | |
| CN215550547U (en) | Toy plastic mold | |
| CN218785745U (en) | Injection mold easy to demold | |
| CN217993322U (en) | Flowerpot injection moulding mould | |
| CN219727052U (en) | General position driving arc core-pulling injection mold | |
| CN219153631U (en) | Ejection mechanism for injection mold | |
| CN220373701U (en) | Plastic mold anti-channeling inclined ejection device | |
| CN220331896U (en) | Injection mold with limit structure | |
| CN117341123B (en) | Electric motor car accessory plastic products processing forming device | |
| CN212860247U (en) | Injection mold | |
| CN217834533U (en) | Injection mold for automobile rear cover plate | |
| CN219786514U (en) | Bicycle part die casting die convenient to drawing of patterns | |
| CN117021484B (en) | Injection mold of interior parting injection molding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |