CN114012988A - Mold for processing injection molding piece and pouring method thereof - Google Patents
Mold for processing injection molding piece and pouring method thereof Download PDFInfo
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- CN114012988A CN114012988A CN202111295058.XA CN202111295058A CN114012988A CN 114012988 A CN114012988 A CN 114012988A CN 202111295058 A CN202111295058 A CN 202111295058A CN 114012988 A CN114012988 A CN 114012988A
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- injection molding
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 82
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 239000003292 glue Substances 0.000 claims description 37
- 238000002347 injection Methods 0.000 claims description 37
- 239000007924 injection Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000000498 cooling water Substances 0.000 claims description 23
- 239000000084 colloidal system Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a mould for processing injection molding parts and a pouring method thereof, the mould for processing injection molding parts comprises a heat insulation plate, a drawing mechanism and a mould core, and is characterized in that the drawing mechanism is arranged at the top of the heat insulation plate, a pressing plate is arranged at the top of the drawing mechanism, a top plate II is arranged at the top of the pressing plate, the mould core is arranged between the drawing mechanism and the pressing plate, a hoisting device is used, a movable column moves upwards under the driving of the pressing plate, the movable column drives a top block to move outwards, the top block pushes a limiting block to move outwards, the top blocks at two sides pull a side core plate I and a side core plate I at two sides to move towards two sides simultaneously to expose the injection molding parts, a push rod penetrates through round holes in the heat insulation plate and a bottom plate to abut against the bottom of a connecting plate, the top of the push rod is clamped in a gap between the bottom plate and the connecting plate, the push rod moves upwards to push the connecting plate, the push rod moves upwards under the pushing of the movable block, the top of thimble and the bottom butt of injection molding push out the die cavity with the injection molding.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a mold for processing an injection molding piece and a pouring method thereof.
Background
Injection molding is a method of molding by injection and molding. The injection molding material is injected into the injection mold, so that the injection molding part conforming to the injection mold is formed in the cooling process, and the manufacture of complex products can be efficiently and quickly realized.
The invention patent with the patent number CN108202453A discloses an injection mold, which comprises a lower die holder, an upper die holder arranged above the lower die holder, a slide block arranged on the lower die holder in a sliding manner, a driving mechanism arranged between the upper die holder and the slide block, an inclined top accommodated in the slide block, a power bearing part arranged on the inclined top, a power transmission part arranged on the slide block, and a guide part arranged on the lower die holder. The injection mold can form the back-off structure of the side surface of the workpiece when the mold is closed and injected, the power for the inclined top movement is provided by the upper mold base, the mold structure can be simplified, the stability of the mold can be improved, and meanwhile, the smooth demolding of the workpiece can be ensured through the arrangement of the guide part.
However, in the device of the injection mold without the top mold, after the oblique top guide demolding, the ejector pin arranged at the bottom of the injection mold can eject the mold.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a mold for processing an injection molding part and a pouring method thereof.
The purpose of the invention can be realized by the following technical scheme:
a mold for processing injection molding parts and a pouring method thereof comprise a heat insulation plate, a mold drawing mechanism, a pressing plate, a top plate II and a mold core, and are characterized in that the mold drawing mechanism comprises a bottom plate, a first fixing block, a first limiting sleeve, a connecting column, a first limiting column, a supporting column, a second limiting column, a third limiting column, a pre-tightening bolt, a connecting plate, a first limiting hole, a mounting hole, a connecting hole, a pre-tightening hole, a through hole and a thimble slide way, the top of the heat insulation plate is fixedly connected with the mold drawing mechanism, the top of the mold drawing mechanism is fixedly connected with the pressing plate, the mold core is arranged between the mold drawing mechanism and the pressing plate, the top of the heat insulation plate is connected with the bottom plate, the first fixing block is fixedly connected with the connecting plate at a position between the first fixing blocks at the top of the bottom plate, the first limiting sleeves are fixedly connected with the tops at two sides of the first fixing blocks, the first limiting columns are installed in the limiting sleeves, the position fixedly connected with spliced pole that is located the connecting plate four corners on the bottom plate, the spliced pole runs through the connecting plate, the position that is located the connecting plate top on the spliced pole has cup jointed the spring, the bottom plate top is by the spacing post two of the inboard position fixedly connected with of spliced pole, spacing post two runs through the connecting plate, the position fixedly connected with pretension bolt that the bottom plate top is located between two spliced poles, pretension bolt runs through in the connecting plate, lean on middle both sides position in the bottom plate to have seted up the spout, four support columns of bottom plate top intermediate position fixedly connected with, four the support column becomes the rhombus and distributes.
As a further scheme of the invention: the first fixing block is fixedly connected with the first top plate, the first limiting holes are formed in the positions of the four corners of the first top plate, the limiting sleeve is installed inside the first limiting holes, the first limiting columns extend to the top of the first top plate, connecting holes are formed in the positions, close to the inner sides of the four first limiting holes, of the first top plate, the second limiting columns extend into the connecting holes, mounting holes are formed in the positions, located between the first limiting holes and the connecting holes, of the first top plate, the mounting holes penetrate through the first top plate, the connecting columns are installed in the mounting holes, the springs extend into the mounting holes, through holes are formed in the positions, close to the middle, of the first top plate, pre-tightening holes are formed in the positions of the two sides of the first top plate, and the pre-tightening bolts extend into the pre-tightening holes.
As a further scheme of the invention: the device comprises a top plate I, a top plate II, a bottom plate I, a core die I, a flow channel, a movable block, a plurality of ejector pins, a limiting groove, a connecting block, a through groove, a mounting groove, a pressing strip I, a pressing block, a lower core block, a core die, a flow channel and a limiting pressing strip, wherein the limiting groove is formed in the two sides of the top plate I, the connecting block is arranged at the top of the limiting groove, the through groove is formed in the center of the connecting block, the mounting groove is formed in the middle of the top plate I, the pressing strip I is fixedly connected to the two side edges of the mounting groove, the pressing block is fixedly connected to the middle of the two pressing strips I, the lower core block is fixedly connected to the middle of the two pressing blocks, the lower core block is fixedly connected to the two sides of the lower core block, the two side core plates II and the two side core plates I are respectively mounted to the two sides of the lower core block, the core plates are provided with the core die, the top of the lower core block is provided with the flow channel, the flow channel is S-shaped, the movable block is mounted in the ejector pin slide channel and the sliding groove, the bottom both sides fixedly connected with fixed block two of spacing layering, it is a plurality of the thimble runs through in fixed block two, it is a plurality of the top of thimble and the bottom looks butt of mandrel, it is a plurality of sliding connection between thimble and the fixed block two, the stopper is all installed to the both sides position of mounting groove, the kicking block is installed to the inboard that the mounting groove is located the stopper, looks joint between stopper and the kicking block, both sides the kicking block respectively with side core plate one with side core plate two-phase joint, sliding connection between the top of stopper and kicking block and mounting groove, spacing hole two has been seted up to the centre department of kicking block, install the activity post in spacing hole two, logical groove is run through to the lower part of activity post, the bottom of activity post is butt mutually with the bottom in spacing groove.
As a further scheme of the invention: the top of stopper and kicking block is installed the clamp plate, the intermediate position fixedly connected with holding down plate of clamp plate, the bottom of holding down plate and the top looks butt of briquetting and side core board one, department fixedly connected with layering two in the middle of the top of holding down plate, install the injecting glue mouth in the holding down plate, the injecting glue mouth runs through layering two and holding down plate, just the injecting glue mouth is linked together with the runner, clamp plate top fixedly connected with roof two, the department has seted up the injecting glue mouth in the middle of the top of roof two, injecting glue mouth and injecting glue mouth are linked together.
As a further scheme of the invention: the water inlet and the water outlet are formed in one side of the first top plate, the water inlet and the water outlet are communicated with each other through a water channel, the water channel extends to the middle of the first top plate from the water inlet, then extends upwards to the inside of the lower pressing plate, and extends downwards to the middle of the first top plate after surrounding a circle along the lower pressing plate, and then water is discharged through the water outlet.
As a further scheme of the invention: round holes are formed in the bottoms of the heat insulation plate and the bottom plate, and a sensor is mounted in the middle of one side of the bottom plate.
As a further scheme of the invention: the pouring method comprises the following steps:
step one, after an injection mold is cleaned, connecting a top plate II with hoisting equipment, screwing a pre-tightening bolt, so that a certain pre-tightening force is formed between a connecting plate and the top plate I, and a spring is in a compressed state;
heating and melting plastic particles to obtain molten colloid, filling the molten colloid into a glue injection port, enabling the molten colloid to enter a mold cavity along a glue injection nozzle and a flow channel, enabling cooling water to enter a water channel from a water inlet, enabling the cooling water to flow to the middle of a top plate I, enabling the cooling water to flow upwards to the inside of a lower pressing plate, enabling the cooling water to flow downwards to the middle of the top plate I after surrounding a circle along the water channel in the lower pressing plate, discharging the cooling water from a water outlet, and cooling and molding the molten colloid in the mold cavity;
and step three, starting the hoisting equipment, driving the pressing plate, the top plate II, the glue injection nozzle and the lower pressing plate to move upwards, driving the movable column to move upwards by the pressing plate, driving the ejector block to move outwards by the movable column, pushing the limiting block to move outwards by the ejector block, and pulling the side core plates I and the side core plates II on two sides to move towards two sides by the ejector blocks on two sides so as to expose the injection molding piece.
And fourthly, enabling the ejector rod to penetrate through circular holes in the heat insulation plate and the bottom plate and abut against the bottom of the connecting plate, clamping the top of the ejector rod in a gap between the bottom plate and the connecting plate, enabling the ejector rod to move upwards to push the connecting plate to move upwards, enabling the ejector pin to move upwards under the pushing of the movable block, enabling the top of the ejector pin to abut against the bottom of the injection molding piece, and pushing the injection molding piece out of the mold cavity.
And step five, after the injection molding piece is ejected, the ejector rod moves downwards, the sensor detects the descending height of the ejector rod, when the connecting plate descends to the initial position, the ejector rod stops moving, the hoisting equipment drives the pressing plate, the top plate II, the glue injection nozzle and the lower pressing plate to move downwards, the movable column vertically moves downwards, and the side core plate I and the side core plate II on the two sides are pushed to reset.
The invention has the beneficial effects that:
1. after the injection molding piece is ejected, the ejector rod moves downwards, the sensor detects the descending height of the ejector rod, and when the connecting plate descends to the initial position, the ejector rod stops moving, so that the round hole in the center of the bottom plate is prevented from being impacted to damage the bottom plate.
2. The cooling water enters the water channel from the water inlet, flows to the middle of the first top plate and then flows upwards to the inside of the lower pressing plate, and flows downwards to the middle of the first top plate after surrounding a circle along the water channel in the lower pressing plate, and the cooling water is discharged from the water outlet, so that the forming speed of the injection molding part is increased.
3. The hoisting equipment is started, the pressing plate is driven, the top plate II, the glue injection nozzle and the lower pressing plate move upwards, the movable column moves upwards under the driving of the pressing plate, the movable column drives the ejector block to move outwards, the ejector block pushes the limiting block to move outwards, meanwhile, the ejector blocks on two sides pull the side core plates I and the side core plates on two sides to move towards two sides, injection moldings are exposed, the ejector rods penetrate through round holes in the heat insulation plate and the bottom plate, the butt is arranged at the bottom of the connecting plate, the top of the ejector rods is clamped in a gap between the bottom plate and the connecting plate, the ejector rods move upwards, the connecting plate is pushed to move upwards, the ejector pins move upwards under the pushing of the movable blocks, the tops of the ejector pins are abutted to the bottoms of the injection moldings, the injection moldings are pushed out of the mold cavities, the side core plates I and the side core plates II are separated, the ejector pins push out the injection moldings, and the mold stripping speed is accelerated.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a top connection structure of the connection plate according to the present invention;
FIG. 3 is a bottom view of the platen of the present invention;
FIG. 4 is a schematic view of a core structure according to the present invention;
FIG. 5 is a cross-sectional view of the overall structure of the present invention;
FIG. 6 is a top view of the top plate of the present invention.
In the figure: 1. a heat insulation plate; 2. a die drawing mechanism; 201. a base plate; 202. a first fixed block; 203. a limiting sleeve; 204. connecting columns; 205. a first limiting column; 206. a support pillar; 207. a second limiting column; 208. a third limiting column; 209. pre-tightening the bolts; 210. a connecting plate; 211. a first limiting hole; 212. mounting holes; 213. connecting holes; 214. pre-tightening the hole; 215. a through hole; 216. a thimble slideway; 217. a chute; 218. a first top plate; 219. a sensor; 3. pressing a plate; 4. a second top plate; 401. a glue injection port; 5. a mold core; 501. connecting blocks; 502. layering a first layer; 503. briquetting; 504. limiting and pressing strips; 505. a second fixed block; 506. a thimble; 507. a movable block; 508. a lower core block; 509. a flow channel; 510. a first side core plate; 511. a second side core plate; 512. a limiting groove; 513. a through groove; 514. a limiting block; 515. a top block; 516. a movable post; 517. layering a second layer; 518. a glue injection nozzle; 519. a core mold; 520. a lower pressing plate; 6. a water inlet; 7. and (7) a water outlet.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the injection mold comprises a heat insulation plate 1, a mold drawing mechanism 2, a pressing plate 3, a top plate two 4 and a mold core 5, wherein the mold drawing mechanism 2 comprises a bottom plate 201, a first fixing block 202, a limiting sleeve 203, a connecting column 204, a first limiting column 205, a supporting column 206, a second limiting column 207, a third limiting column 208, a pre-tightening bolt 209, a connecting plate 210, a first limiting hole 211, a mounting hole 212, a connecting hole 213, a pre-tightening hole 214, a through hole 215 and an ejector pin slideway 216, the top of the heat insulation plate 1 is fixedly connected with the mold drawing mechanism 2, the top of the mold drawing mechanism 2 is fixedly connected with the pressing plate 3, the mold core 5 is arranged between the mold drawing mechanism 2 and the pressing plate 3, the top of the heat insulation plate 1 is connected with the bottom plate 201, the first fixing blocks 202 are fixedly connected to both sides of the bottom plate 201, the connecting plate 210 is fixedly connected to a position, which is positioned between the two first fixing blocks 202, of the top of the bottom plate 201, two both sides top fixedly connected with stop collar 203 of fixed block 202, install spacing post 205 in the stop collar 203, the position fixedly connected with spliced pole 204 that lies in connecting plate 210 four corners on the bottom plate 201, spliced pole 204 runs through connecting plate 210, the position that lies in the connecting plate 210 top on the spliced pole 204 has cup jointed the spring, the inboard spacing post of position fixedly connected with two 207 of spliced pole 204 is leaned on at bottom plate 201 top, spacing post two 207 runs through connecting plate 210, the position fixedly connected with pretension bolt 209 that lies in between two spliced poles 204 at bottom plate 201 top, pretension bolt 209 runs through in connecting plate 210, spout 217 has been seted up to both sides position by the centre in the bottom plate 201, four support columns 206 of bottom plate 201 top intermediate position fixedly connected with, four support columns 206 become the rhombus and distribute.
The tops of the two first fixing blocks 202 are fixedly connected with a first top plate 218, the four corners of the first top plate 218 are provided with first limit holes 211, the position-limiting sleeve 203 is arranged inside the position-limiting hole I211, the position-limiting column I205 extends to the top of the top plate I218, the first top plate 218 is provided with a connecting hole 213 at a position close to the inner side of the first four limiting holes 211, the second four limiting posts 207 extend into the connecting hole 213, the first top plate 218 is provided with a mounting hole 212 at a position between the first limiting hole 211 and the connecting hole 213, the mounting hole 212 penetrates through the first top plate 218, the connecting column 204 is mounted in the mounting hole 212, the spring extends into the mounting hole 212, the top plate 218 is provided with a through hole 215 near the middle, two sides of the first top plate 218 are provided with pre-tightening holes 214, and the pre-tightening bolts 209 extend into the pre-tightening holes 214.
The structure comprises a first top plate 218, a first connecting block 501, a through groove 513, a mounting groove, a first pressing strip 502, a pressing strip 503, a lower core block 508, a second side core plate 511 and a first side core plate 510, wherein the first top plate 218 is arranged at two sides of the top part of the first top plate 218, the first top plate 218 is arranged at the top of the limiting groove 512, the pressing strip 503 is fixedly connected at the middle of the two pressing strips 503, the lower core block 508 is fixedly connected at the middle of the two pressing strips 503, the two sides of the lower core block 508 are respectively provided with the two second side core plates 511 and the two first side core plates 510, a core mold 519 is arranged between the first side core plates 510 and the second side core plates 511, a flow channel 509 is arranged at the top of the lower core block 508, the flow channel 509 is S-shaped, the movable block 507 is arranged in a thimble slide way 216 and a slide way 217, and a plurality of thimbles 506 are fixedly connected at the top of the movable block 507, the middle of the bottom of the lower core block 508 is fixedly connected with a limiting pressing strip 504, two sides of the bottom of the limiting pressing strip 504 are fixedly connected with a second fixing block 505, a plurality of thimbles 506 penetrate through the second fixing block 505, the tops of the thimbles 506 are abutted against the bottom of the core mold 519, the thimbles 506 are in sliding connection with the second fixing block 505, the two sides of the mounting groove are respectively provided with a limiting block 514, the mounting groove is provided with a top block 515 at the inner side of the limiting block 514, the limiting block 514 and the top block 515 are clamped, the top blocks 515 at the two sides are respectively clamped with the first side core plate 510 and the second side core plate 511, the limiting block 514 and the top block 515 are connected with the top of the mounting groove in a sliding manner, a limiting hole II is formed in the middle of the top block 515, and a movable column 516 is arranged in the second limiting hole, the lower part of the movable column 516 penetrates through the through groove 513, and the bottom of the movable column 516 is abutted against the bottom of the limiting groove 512.
A water inlet 6 and a water outlet 7 are formed in one side of the first top plate 218, the water inlet 6 is communicated with the water outlet 7 through a water channel, the water channel extends to the middle of the first top plate 218 from the water inlet 6, then extends upwards to the inside of the lower pressing plate 520, surrounds the lower pressing plate 520 for a circle, then extends downwards to the middle of the first top plate 218, and finally is discharged through the water outlet 7.
Round holes are formed in the bottoms of the heat insulation plate 1 and the bottom plate 201, and a sensor 219 is installed in the middle of one side of the bottom plate 201.
The pouring method comprises the following steps:
step one, after cleaning the injection mold, connecting the top plate II 4 with hoisting equipment, screwing the pre-tightening bolt 209 to ensure that a certain pre-tightening force is formed between the connecting plate 210 and the top plate I218, and the spring is in a compressed state;
step two, heating and melting plastic particles to obtain molten colloid, filling the molten colloid into the glue injection port 401, enabling the molten colloid to enter the mold cavity along the glue injection nozzle 518 and the flow passage 509, enabling cooling water to enter a water channel from the water inlet 6, enabling the cooling water to flow to the middle of the top plate I218, enabling the cooling water to flow upwards to the inside of the lower pressing plate 520, enabling the cooling water to flow downwards to the middle of the top plate I218 after surrounding a circle along the water channel in the lower pressing plate 520, discharging the cooling water from the water outlet 7, and cooling and molding the molten colloid in the mold cavity;
and step three, starting the hoisting equipment, driving the pressing plate 3, the top plate II 4, the glue injection nozzle 518 and the lower pressing plate 520 to move upwards, driving the movable column 516 to move upwards under the driving of the pressing plate 3, driving the top block 515 to move outwards by the movable column 516, driving the limiting block 514 to move outwards by the top block 515, and simultaneously pulling the side core plates 510 and the side core plates 511 at the two sides to move towards the two sides by the top blocks 515 at the two sides so as to expose the injection molding piece.
And fourthly, enabling the ejector rod to penetrate through circular holes in the heat insulation plate 1 and the bottom plate 201 and abut against the bottom of the connecting plate 210, clamping the top of the ejector rod in a gap between the bottom plate 201 and the connecting plate 210, enabling the ejector rod to move upwards to push the connecting plate 210 to move upwards, enabling the ejector pin 506 to move upwards under the pushing of the movable block 507, enabling the top of the ejector pin 506 to abut against the bottom of the injection molding piece, and pushing the injection molding piece out of the mold cavity.
Step five, after the injection molding piece is ejected, the ejector rod moves downwards, the sensor 219 detects the descending height of the ejector rod, when the connecting plate 210 descends to the initial position, the ejector rod stops moving, the hoisting equipment drives the pressing plate 3, the top plate II 4, the glue injection nozzle 518 and the lower pressing plate 520 to move downwards, the movable column 516 is made to move vertically downwards, and the side core plate I510 and the side core plate II 511 on the two sides are pushed to reset.
The working principle of the invention is as follows:
the second top plate 4 is connected with hoisting equipment, and the pre-tightening bolt 209 is screwed, so that a certain pre-tightening force is formed between the connecting plate 210 and the first top plate 218, and the spring is in a compressed state; heating and melting plastic particles to obtain molten colloid, filling the molten colloid into the glue injection port 401, enabling the molten colloid to enter the mold cavity along the glue injection nozzle 518 and the flow passage 509, enabling cooling water to enter a water channel from the water inlet 6, enabling the cooling water to flow to the middle of the top plate I218, enabling the cooling water to flow upwards into the lower pressing plate 520, enabling the cooling water to flow downwards to the middle of the top plate I218 after surrounding a circle along the water channel in the lower pressing plate 520, fully cooling the whole mold cavity, discharging the cooling water through the water outlet 7, and cooling and molding the molten colloid in the mold cavity; starting the hoisting equipment to drive the pressing plate 3, the top plate II 4, the glue injection nozzle 518 and the lower pressing plate 520 to move upwards, simultaneously driving the movable column 516 to move upwards under the driving of the pressing plate 3, driving the top block 515 to move outwards by the movable column 516, driving the limiting block 514 to move outwards by the top block 515, and simultaneously pulling the side core plates I510 and the side core plates II 511 at the two sides to move towards the two sides by the top blocks 515 at the two sides so as to expose the injection molding piece; the ejector rod penetrates through circular holes in the heat insulation plate 1 and the bottom plate 201 and abuts against the bottom of the connecting plate 210, the top of the ejector rod is clamped in a gap between the bottom plate 201 and the connecting plate 210, the ejector rod moves upwards to push the connecting plate 210 to move upwards, the ejector pin 506 moves upwards under the pushing of the movable block 507, the top of the ejector pin 506 abuts against the bottom of the injection molding piece, and the injection molding piece is pushed out of the mold cavity; after the injection molding piece is ejected, the ejector rod moves downwards, the sensor 219 detects the descending height of the ejector rod, when the connecting plate 210 descends to the initial position, the ejector rod stops moving, the hoisting equipment drives the pressing plate 3, the second top plate 4, the glue injection nozzle 518 and the lower pressing plate 520 to move downwards, so that the movable column 516 moves vertically downwards, and the first side core plate 510 and the second side core plate 511 on the two sides are pushed to reset.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The utility model provides a mould is used in processing of injection molding, includes heat insulating board (1), drawing die mechanism (2), clamp plate (3), roof two (4), mold core (5), its characterized in that, drawing die mechanism (2) are installed at the top of heat insulating board (1), clamp plate (3) are installed at the top of drawing die mechanism (2), roof two (4) are installed at the top of clamp plate (3), install between drawing die mechanism (2) and clamp plate (3) mold core (5), drawing die mechanism (2) include bottom plate (201), fixed block one (202), stop collar (203), spliced pole (204), spacing post one (205), support column (206), spacing post two (207), spacing post three (208), pretension bolt (209), connecting plate (210), spacing hole one (211), mounting hole (212), connecting hole (213), pretension hole (214), The die comprises a through hole (215) and a thimble slide way (216), wherein the top of the heat insulation plate (1) is fixedly connected with a die drawing mechanism (2), the top of the die drawing mechanism (2) is fixedly connected with a pressing plate (3), a die core (5) is arranged between the die drawing mechanism (2) and the pressing plate (3), the top of the heat insulation plate (1) is connected with a bottom plate (201), two sides of the bottom plate (201) are fixedly connected with a first fixing block (202), the top of the bottom plate (201) is positioned between the two first fixing blocks (202) and is fixedly connected with a connecting plate (210), the tops of the two sides of the two first fixing blocks (202) are fixedly connected with a limiting sleeve (203), a first limiting column (205) is installed in the limiting sleeve (203), connecting columns (204) are fixedly connected with the positions of four corners of the connecting plate (210) on the bottom plate (201), and the connecting columns (204) run through the connecting plate (210), the spring has been cup jointed in the position that lies in connecting plate (210) top on spliced pole (204), bottom plate (201) top is by the spacing post two (207) of the position fixedly connected with of spliced pole (204) inboard, spacing post two (207) run through connecting plate (210), bottom plate (201) top is located the position fixedly connected with pretension bolt (209) between two spliced poles (204), pretension bolt (209) run through in connecting plate (210), spout (217) have been seted up to both sides position by the centre in bottom plate (201), four support columns (206), four of bottom plate (201) top intermediate position fixedly connected with support column (206) become the rhombus and distribute.
2. The mold for processing the injection molding part according to claim 1, wherein top portions of the first fixing blocks (202) are fixedly connected with first top plates (218), four corners of the first top plates (218) are provided with first limiting holes (211), the limiting sleeves (203) are installed inside the first limiting holes (211), the first limiting columns (205) extend to the top portions of the first top plates (218), the first top plates (218) are provided with connecting holes (213) at positions close to the inner sides of the four first limiting holes (211), the four second limiting columns (207) extend to the inside of the connecting holes (213), mounting holes (212) are formed in positions, located between the first limiting holes (211) and the connecting holes (213), of the first top plates (218), the mounting holes (212) penetrate through the first top plates (218), and the connecting columns (204) are installed in the mounting holes (212), the spring extends to the inside of the mounting hole (212), a through hole (215) is formed in the position, close to the middle, of the top plate I (218), pre-tightening holes (214) are formed in the positions of two sides of the top plate I (218), and the pre-tightening bolt (209) extends to the inside of the pre-tightening holes (214).
3. The mold for processing the injection molding part according to claim 2, wherein two limiting grooves (512) are formed in two sides of the top of the first top plate (218), the first top plate (218) is provided with a connecting block (501) at the top of the limiting grooves (512), a through groove (513) is formed in the center of the connecting block (501), a mounting groove is formed in the middle of the first top plate (218), two side edges of the mounting groove are fixedly connected with a first pressing strip (502), a pressing block (503) is fixedly connected to the middle of the two first pressing strips (502), a lower core block (508) is fixedly connected to the middle of the two pressing blocks (503), two side core plates two (511) and two side core plates one (510) are respectively mounted on two sides of the lower core block (508), and a core mold (519) is mounted between the first side core plate (510) and the second side core plate (511), the runner (509) has been seted up at the top of lower core piece (508), runner (509) is "S" shape, and movable block (507) is installed in thimble slide (216) and spout (217), the top fixedly connected with a plurality of thimbles (506) of movable block (507), the bottom centre department fixedly connected with spacing layering (504) of lower core piece (508), the bottom both sides fixedly connected with fixed block two (505) of spacing layering (504), a plurality of thimble (506) run through fixed block two (505), a plurality of the top of thimble (506) and the bottom butt of mandrel (519), a plurality of sliding connection between thimble (506) and fixed block two (505), stopper (514) is all installed to the both sides position of mounting groove, the mounting groove is located the inboard of stopper (514) and installs kicking block (515), looks joint between stopper (514) and kicking block (515), both sides kicking block (515) respectively with side core plate one (510) and side core plate two (511) looks joint, sliding connection between the top of stopper (514) and kicking block (515) and mounting groove, spacing hole two has been seted up to the centre department of kicking block (515), install movable post (516) in the spacing hole two, logical groove (513) are run through to the lower part of activity post (516), the bottom of activity post (516) and the bottom butt of spacing groove (512).
4. The mold for processing the injection molding part according to claim 3, wherein the top of the limiting block (514) and the top block (515) is provided with a pressing plate (3), a lower pressing plate (520) is fixedly connected to the middle position of the pressing plate (3), the bottom of the lower pressing plate (520) is abutted against the pressing block (503) and the top of the side core plate I (510), a second pressing strip (517) is fixedly connected at the middle of the top of the lower pressing plate (520), a glue injection nozzle (518) is installed in the lower pressing plate (520), the glue injection nozzle (518) penetrates through the second pressing strip (517) and the lower pressing plate (520), the glue injection nozzle (518) is communicated with the flow channel (509), the top of the pressure plate (3) is fixedly connected with a second top plate (4), and a glue injection port (401) is formed in the middle of the top of the second top plate (4), and the glue injection port (401) is communicated with a glue injection nozzle (518).
5. The mold for processing the injection molding part as claimed in claim 2, wherein a water inlet (6) and a water outlet (7) are formed in one side of the first top plate (218), the water inlet (6) and the water outlet (7) are communicated through a water channel, the water channel extends from the water inlet (6) to the middle of the first top plate (218), then extends upwards to the inside of the lower pressing plate (520), and extends downwards to the middle of the first top plate (218) after encircling around the lower pressing plate (520), and then water is discharged through the water outlet (7).
6. The mold for processing the injection molding part according to claim 2, wherein circular holes are formed in the bottoms of the heat insulation plate (1) and the bottom plate (201), and a sensor (219) is installed in the middle of one side of the bottom plate (201).
7. A pouring method of a mould for processing an injection molding part is characterized by comprising the following steps:
step one, after an injection mold is cleaned, connecting a second top plate (4) with hoisting equipment, screwing a pre-tightening bolt (209) to enable a certain pre-tightening force to be formed between a connecting plate (210) and the first top plate (218), and enabling a spring to be in a compressed state;
heating and melting plastic particles to obtain molten colloid, filling the molten colloid into a glue injection opening (401), enabling the molten colloid to enter a mold cavity along a glue injection nozzle (518) and a flow passage (509), enabling cooling water to enter a water channel from a water inlet (6), enabling the cooling water to flow to the middle of a top plate I (218), enabling the cooling water to flow upwards into a lower pressing plate (520), enabling the cooling water to flow downwards to the middle of the top plate I (218) after the cooling water surrounds a circle along the water channel in the lower pressing plate (520), discharging the cooling water from a water outlet (7), and cooling and molding the molten colloid in the mold cavity;
step three, starting hoisting equipment, driving the pressing plate (3), the top plate II (4), the glue injection nozzle (518) and the lower pressing plate (520) to move upwards, driving the movable column (516) to move upwards under the driving of the pressing plate (3), driving the top block (515) to move outwards by the movable column (516), driving the limiting block (514) to move outwards by the top block (515), and driving the side core plates I (510) and the side core plates II (511) at two sides to move towards two sides by the top blocks (515) at two sides so as to expose the injection molding piece;
fourthly, enabling an ejector rod to penetrate through circular holes in the heat insulation plate (1) and the bottom plate (201) and abut against the bottom of the connecting plate (210), clamping the top of the ejector rod in a gap between the bottom plate (201) and the connecting plate (210), enabling the ejector rod to move upwards to push the connecting plate (210) to move upwards, enabling the ejector pin (506) to move upwards under the pushing of the movable block (507), enabling the top of the ejector pin (506) to abut against the bottom of the injection molding piece, and pushing the injection molding piece out of the mold cavity;
and step five, after the injection molding piece is ejected, the ejector rod moves downwards, the sensor (219) detects the descending height of the ejector rod, when the connecting plate (210) descends to the initial position, the ejector rod stops moving, and the hoisting equipment drives the pressing plate (3), the top plate II (4), the glue injection nozzle (518) and the lower pressing plate (520) to move downwards, so that the movable column (516) moves vertically downwards to push the side core plates I (510) and the side core plates II (511) on the two sides to reset.
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| CN202111295058.XA CN114012988B (en) | 2021-11-03 | 2021-11-03 | Mold for processing injection molding part and pouring method thereof |
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| CN202111295058.XA CN114012988B (en) | 2021-11-03 | 2021-11-03 | Mold for processing injection molding part and pouring method thereof |
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| CN209381316U (en) * | 2019-01-22 | 2019-09-13 | 广东米沃科技有限公司 | A kind of one goes out the injection mold of two mobile phone protective covers |
| CN210082294U (en) * | 2019-05-31 | 2020-02-18 | 深圳市开薪科技有限公司 | Protective sleeve injection mold |
| CN211683267U (en) * | 2020-01-20 | 2020-10-16 | 苏州纳科华模具有限公司 | Plastic mold with push plate for ejecting |
| CN212124065U (en) * | 2020-03-24 | 2020-12-11 | 东莞领丰电子有限公司 | Mould structure of mould plastics die sinking automatic cutout runner is decorated to cell-phone TP |
| CN213198658U (en) * | 2020-09-21 | 2021-05-14 | 广东顺德舜致塑胶五金制品有限公司 | Injection mold with automatic demoulding mechanism |
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2021
- 2021-11-03 CN CN202111295058.XA patent/CN114012988B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209381316U (en) * | 2019-01-22 | 2019-09-13 | 广东米沃科技有限公司 | A kind of one goes out the injection mold of two mobile phone protective covers |
| CN210082294U (en) * | 2019-05-31 | 2020-02-18 | 深圳市开薪科技有限公司 | Protective sleeve injection mold |
| CN211683267U (en) * | 2020-01-20 | 2020-10-16 | 苏州纳科华模具有限公司 | Plastic mold with push plate for ejecting |
| CN212124065U (en) * | 2020-03-24 | 2020-12-11 | 东莞领丰电子有限公司 | Mould structure of mould plastics die sinking automatic cutout runner is decorated to cell-phone TP |
| CN213198658U (en) * | 2020-09-21 | 2021-05-14 | 广东顺德舜致塑胶五金制品有限公司 | Injection mold with automatic demoulding mechanism |
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| CN114012988B (en) | 2024-04-19 |
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