CN113320104A - Injection mold quick ejection mechanism based on efficient demolding - Google Patents
Injection mold quick ejection mechanism based on efficient demolding Download PDFInfo
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- CN113320104A CN113320104A CN202110765620.4A CN202110765620A CN113320104A CN 113320104 A CN113320104 A CN 113320104A CN 202110765620 A CN202110765620 A CN 202110765620A CN 113320104 A CN113320104 A CN 113320104A
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- 238000002347 injection Methods 0.000 title claims abstract description 32
- 239000007924 injection Substances 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 238000001746 injection moulding Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 12
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 abstract 5
- 230000006872 improvement Effects 0.000 description 9
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection molds, in particular to a quick ejection mechanism of an injection mold based on efficient demolding. The injection mold comprises a base, the top fixedly connected with matrix fixing plate of base, matrix fixing plate's upper surface center department is provided with the die board, the die slot has been seted up to the upper surface center department of die board, the ejecting hole that runs through the die board has been seted up to the upper surface center department of die slot, the last wall surface of following at both ends has seted up the second hole that stretches out and draws back about the die board, movable chamber has been seted up to the inside of matrix fixing plate, through the first spring that sets up on the ejecting portion, by the compression resilience characteristic of first spring, when the lower wall of following of last mould separates with the last wall of matrix board, first spring kick-backs, make fly leaf rebound, drive ejector pin rebound through the fly leaf, ejector pin rebound and ejecting with the material in the matrix board, quick, efficient to injection mold has been realized.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a quick ejection mechanism of an injection mold based on efficient demolding.
Background
Injection molding is a method for producing and molding industrial products, the products generally adopt rubber injection molding and plastic injection molding, and the injection molding can also be divided into injection molding and die pressing methods, an injection molding machine is main molding equipment for manufacturing thermoplastic plastics or thermosetting materials into plastic products with various shapes by utilizing a plastic molding die, the injection molding is realized by an injection molding machine and a die, and the injection molding die is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.
In the injection molding process, an injection mold is required to shape raw materials, but in the production process of the existing mold, a rapid ejection mechanism of the injection mold capable of efficiently demolding is required to improve the ejection efficiency of finished materials, but in the process of ejecting the materials, the existing rapid ejection mechanism is easy to damage the finished materials and further influence the finished quality of the materials, so that the invention aims to improve the ejection efficiency of the materials and ensure the finished quality of the injection mold.
Disclosure of Invention
The invention aims to provide a high-efficiency demoulding-based injection mould rapid ejection mechanism to solve the problems in the background technology.
In order to achieve the above object, an object of the present invention is to provide a rapid ejection mechanism for an injection mold based on efficient demolding, including an upper mold and a lower mold arranged at the bottom of the upper mold, wherein the lower mold at least includes:
the base, first through-hole has been seted up to the upper surface center department of base, the left and right sides of first through-hole is close to the upper surface edge of base has all seted up first flexible hole, seted up in the base with the movable groove of first through-hole intercommunication, the one end of movable groove with base lateral wall intercommunication, the fixed cover of fixedly connected with in the movable groove, the top fixedly connected with die fixing plate of base, die fixing plate's upper surface center department is provided with the die board, the die groove has been seted up to the upper surface center department of die board, the upper surface center department of die groove has seted up and has run through the ejecting hole of die board, the last flexible hole of second has been seted up along the wall surface at both ends about the die board, movable chamber has been seted up to the inside of die fixing plate.
The ejection part is installed in the movable cavity and at least comprises a movable plate, an ejection rod is fixedly connected to the center of the upper surface of the movable plate, second through holes are formed in the left side and the right side of the ejection rod, close to the edge of the upper surface of the movable plate, a telescopic column is movably connected in each second through hole, a limiting ring is fixedly connected to the center of the outer wall of the telescopic column, a first spring is nested at the bottom end of the telescopic column, a connecting rod is fixedly connected to the center of the lower surface of the movable plate, and an upper wedge block is fixedly connected to the bottom end of the connecting rod;
the utility model provides an ejecting portion is when specifically using, the first locating hole that will go up the mould moves down along the guide pillar, make convex die board and die groove peg graft, and simultaneously, the lower wall of following of going up the mould is laminated gradually along the wall on with the die board, the lower wall of following of going up the mould pushes down flexible post, when flexible post moves down, the spacing collar oppresses the fly leaf and moves down together, and is further, ejector pin moves down along with the fly leaf together, when the fly leaf moves down, make first spring compression energy storage, when the lower wall of following of last mould separates along the wall on with the die board, first spring kick-backs, make the fly leaf move up, drive ejector pin rebound through the fly leaf, ejector pin rebound and ejecting with the material in the die board.
The limiting switch at least comprises a limiting rod, one end of the limiting rod is fixedly connected with a lower wedge block, the other end of the limiting rod is fixedly connected with an adjusting cap, a fixing ring is fixedly connected to the position, close to the left side of the adjusting cap, of the limiting rod, and a third spring is nested between the fixing ring and the adjusting cap on the limiting rod;
when the limit switch of the embodiment is used specifically, when the lower edge wall of the upper die is gradually attached to the upper edge wall of the cavity plate, the connecting rod moves downwards along with the movable plate, the inclined edges of the upper wedge block and the lower wedge block slide while the connecting rod moves downwards, the upper wedge block pushes the lower wedge block to move rightwards while moving downwards, the lower wedge block compresses the third spring while moving rightwards, when the lower edge wall of the upper die is completely attached to the upper edge wall of the cavity plate, the lower wedge block moves to the top of the upper wedge block, the third spring rebounds, the upper wedge block plays a role in limiting and fixing the lower wedge block so as to prevent the movable plate from moving upwards due to the rebounds of the first spring, the movable plate and the ejection rod play a role in limiting and fixing, the movable plate is self-locked and controlled by the limit switch, the manual control of ejection opportunity is realized, the upper wedge block can move upwards by pulling the adjusting cap and compressing the third spring for one step, the ejector rod moves upwards, and then the materials in the concave die plate 5 can be ejected out.
As a further improvement of the technical scheme, a convex template is fixedly connected to the center of the lower surface of the upper die, first positioning holes are formed in the upper surface of the upper die, which is close to the edges of the four corners, and injection molding holes penetrating through the upper die are formed in the center of the lower surface of the convex template.
As a further improvement of the technical solution, the upper surface of the lower mold is provided with second positioning holes near the edges of the four corners, the second positioning holes penetrate through the die fixing plate, the first positioning holes and the second positioning holes are aligned up and down, the lower mold is fixedly connected with guide pillars, the guide pillars penetrate through the second positioning holes and are fixedly connected with the base, and the upper mold is slidably connected with the guide pillars through the first positioning holes.
As a further improvement of the technical scheme, the telescopic column penetrates through one end of the second through hole and extends into the first telescopic hole, the other end of the telescopic column extends out of the second telescopic hole, and the limiting ring is attached to the upper surface of the movable plate.
As a further improvement of the technical scheme, fixing seats are arranged at the lower surface edge of the second through hole and the upper surface edge of the first telescopic hole, the first spring is embedded between the two fixing seats, and the telescopic column is embedded and fixed with the first spring.
As a further improvement of the technical scheme, the limit switch is movably connected with the movable groove through the limit rod and the fixed sleeve, the fixed ring is attached to the outer side wall of the base, and the outer diameter of the fixed ring is larger than the aperture of the movable groove.
As a further improvement of the technical scheme, the ejection rod is movably connected with the ejection hole, and a second spring is nested between the side wall of the ejection rod, which is positioned on the lower surface of the ejection hole, and the movable plate.
As a further improvement of the technical scheme, the upper wedge block and the lower wedge block are the same in size, the upper wedge block and the lower wedge block are arranged in the first through hole, and the inner diameter of the first through hole is larger than the size of the upper wedge block.
As a further improvement of the technical scheme, the height of the telescopic column extending out of the second telescopic hole is matched with the heights of the upper wedge block and the lower wedge block, and the height of the telescopic column extending out of the second telescopic hole is matched with the height of the first telescopic hole.
As a further improvement of the technical scheme, the size of the male die plate is matched with that of the female die groove, and the height of the side wall of the female die plate is larger than that of the male die plate.
Compared with the prior art, the invention has the beneficial effects that:
1. in this quick ejection mechanism of injection mold based on high-efficient drawing of patterns, through setting up ejecting portion, through the first spring that sets up on the ejecting portion, by the compression resilience characteristic of first spring, when the lower edge wall of last mould separates along the wall on with the die board, first spring kick-backs, makes the fly leaf rebound, drives ejector pin rebound through the fly leaf, and ejector pin rebound is ejecting with the material in the die board, has realized ejecting quick, the efficient to injection mold.
2. In this quick ejection mechanism of injection mold based on high-efficient drawing of patterns, through setting up limit switch, through last wedge that sets up on the limit switch and to lower wedge, play spacing fixed effect to the fly leaf to prevent the fly leaf because the rebound upwards, play spacing fixed effect to fly leaf and knockout rod, can control the liftout state through limit switch, realized the ejecting opportunity of efficient manual control, further ensure the security performance in the injection mold use.
3. In this quick ejection mechanism of injection mold based on high-efficient drawing of patterns, through setting up the guide pillar, through the effect of the location direction of guide pillar, the mould slides on the guide pillar that makes that go up the mould can be stable, makes the high-efficient quick opening and shutting of mould and bed die, aligns about guaranteeing die block and die groove, has improved injection mold finished product quality.
4. In this quick ejection mechanism of injection mold based on high-efficient drawing of patterns, through setting up the second spring, can effectively slow down the fly leaf because the too big resilience force that first spring kick-backed caused through the second spring, can effectively prevent that the mould from damaging.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a partial cross-sectional view of the female die holder according to embodiment 1;
FIG. 3 is a second partial sectional view of the female die fixing plate according to embodiment 1;
FIG. 4 is a schematic view showing the connection of the structure of the ejection part in embodiment 1;
FIG. 5 is an exploded view of the ejector part of embodiment 1;
FIG. 6 is a partial structural view of a base according to embodiment 1;
FIG. 7 is a partial sectional view of the base in embodiment 1;
FIG. 8 is a schematic view of the transmission structure of the ejecting part and the limit switch in embodiment 1;
FIG. 9 is a schematic view of the upper mold structure of example 1;
FIG. 10 is a schematic view of the structure of a lower mold in example 1;
FIG. 11 is a plan view schematically showing the whole structure of embodiment 1;
fig. 12 is a schematic plan sectional view of a die holder plate according to example 1.
The various reference numbers in the figures mean:
1. an upper die; 101. a first positioning hole;
2. a convex template; 201. injection molding holes;
3. a base; 301. a guide post; 302. a first telescopic hole; 3021. a telescopic column; 3022. a limiting ring; 3023. a first spring; 303. a first through hole; 304. a movable groove; 305. fixing a sleeve; 306. fixing a female die plate;
4. a lower die; 401. a second positioning hole; 402. a movable cavity;
5. a cavity plate; 501. a second telescopic hole; 502. a die cavity; 5021. an ejection aperture;
6. a push-out part; 601. a movable plate; 602. ejecting the rod; 6021. a second spring; 603. a second through hole; 604. a fixed seat; 605. a connecting rod; 6051. an upper wedge block;
7. a limit switch; 701. a limiting rod; 7011. a stationary ring; 7012. a third spring; 702. a lower wedge block; 703. and adjusting the cap.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" 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 specifically defined otherwise.
Example 1
Referring to fig. 1 to 12, an object of the present embodiment is to provide a fast ejection mechanism for an injection mold based on efficient mold release, including an upper mold 1 and a lower mold 4 disposed at the bottom of the upper mold 1, where the lower mold 4 at least includes:
the base 3, a first through hole 303 is formed in the center of the upper surface of the base 3, first telescopic holes 302 are formed in the left side and the right side of the first through hole 303 close to the edges of the upper surface of the base 3, a movable groove 304 communicated with the first through hole 303 is formed in the base 3, one end of the movable groove 304 is communicated with the side wall of the base 3, a fixed sleeve 305 is fixedly connected in the movable groove 304, a female die fixing plate 306 is fixedly connected to the top of the base 3, a female die plate 5 is arranged at the center of the upper surface of the female die fixing plate 306, a female die groove 502 is formed in the center of the upper surface of the female die plate 5, a push-out hole 5021 penetrating through the female die plate 5 is formed in the center of the upper surface of the left end and the right end of the female die plate 5, second telescopic holes 501 are formed in the wall surfaces of the upper edges of the left end and the right end of the female die fixing plate 306, and the movable cavity 402 is formed in the female die fixing plate 306;
the ejection part 6 is installed in the movable cavity 402, the ejection part 6 at least comprises a movable plate 601, the center of the upper surface of the movable plate 601 is fixedly connected with an ejection rod 602, the edges of the left side and the right side of the ejection rod 602, which are close to the upper surface of the movable plate 601, are respectively provided with a second through hole 603, a telescopic column 3021 is movably connected in the second through hole 603, the center of the outer wall of the telescopic column 3021 is fixedly connected with a limiting ring 3022, the bottom end of the telescopic column 3021 is nested with a first spring 3023, the center of the lower surface of the movable plate 601 is fixedly connected with a connecting rod 605, and the bottom end of the connecting rod 605 is fixedly connected with an upper wedge 6051;
when the ejector part 6 of the embodiment is used specifically, the first positioning hole 101 of the upper die 1 moves downward along the guide post 301, so that the male die plate 2 is inserted into the female die cavity 502, meanwhile, the lower edge wall of the upper die 1 is gradually attached to the upper edge wall of the female die plate 5, the lower edge wall of the upper die 1 presses the telescopic column 3021 downward, while the telescopic column 3021 moves downward, the limiting ring 3022 presses the movable plate 601 to move downward together, further, the ejector rod 602 moves downward along with the movable plate 601, when the movable plate 601 moves downward, the first spring 3023 is compressed to store energy, when the lower edge wall of the upper die 1 is separated from the upper edge wall of the female die plate 5, the first spring 3023 rebounds, so that the movable plate 601 moves upward, the ejector rod 602 is driven by the movable plate 601 to move upward, and the ejector rod 602 moves upward and ejects the material in the female die plate 5.
The limiting switch 7 at least comprises a limiting rod 701 in the limiting switch 7, one end of the limiting rod 701 is fixedly connected with a lower wedge block 702, the other end of the limiting rod 701 is fixedly connected with an adjusting cap 703, a fixing ring 7011 is fixedly connected to the position, close to the left side of the adjusting cap 703, of the limiting rod 701, and a third spring 7012 is nested between the fixing ring 7011 and the adjusting cap 703 on the limiting rod 701.
When the limit switch 7 of the embodiment is used specifically, when the lower edge wall of the upper mold 1 is gradually attached to the upper edge wall of the cavity plate 5, the connecting rod 605 moves downward along with the movable plate 601, while the connecting rod 605 moves downward, the upper wedge 6051 slides along the inclined edge of the lower wedge 702, while the upper wedge 6051 moves downward, the lower wedge 702 is pushed to move rightward, while the lower wedge 702 moves rightward, the third spring 7012 is compressed, when the lower edge wall of the upper mold 1 is completely attached to the upper edge wall of the cavity plate 5, the lower wedge 702 moves to the top of the upper wedge 6051, the third spring 7012 rebounds, the upper wedge 6051 plays a role in limiting and fixing the lower wedge 702, so as to prevent the movable plate 601 from moving upward due to the rebounding of the first spring 3023, play a role in limiting and fixing the movable plate 601 and the ejector rod 602, play a role in self-locking control for the movable plate 601 through the limit switch 7, realize a manual control opportunity, by pulling the adjusting cap 703, the third spring 7012 is compressed, the upper wedge 6051 can move upwards, and the ejection rod 602 moves upwards in one step, so that the material in the cavity plate 5 can be ejected.
Further, the center of the lower surface of the upper mold 1 is fixedly connected with a convex mold plate 2, the upper surface of the upper mold 1 is close to the edges of the four corners, a first positioning hole 101 is formed in the edge of the four corners, an injection molding hole 201 penetrating through the upper mold 1 is formed in the center of the lower surface of the convex mold plate 2, and injection molding operation is performed through the injection molding hole 201.
In addition, the upper surface of the lower die 4 is close to the edges of four corners and is provided with a second positioning hole 401, the second positioning hole 401 penetrates through the die fixing plate 306, the first positioning hole 101 is aligned with the second positioning hole 401 up and down, the lower die 4 is fixedly connected with a guide pillar 301, the guide pillar 301 penetrates through the second positioning hole 401 and is fixedly connected with the base 3, the upper die 1 is slidably connected with the guide pillar 301 through the first positioning hole 101, and under the action of the positioning guide of the guide pillar 301, the upper die 1 can stably slide on the guide pillar 301, the up-and-down alignment of the convex die plate 2 and the die groove 502 is guaranteed, and the quality of finished injection molds is improved.
In addition, the telescopic column 3021 penetrates through one end of the second through hole 603 and extends into the first telescopic hole 302, the other end of the telescopic column 3021 extends out of the second telescopic hole 501, and in an initial state of the telescopic column 3021, the limiting ring 3022 is attached to the upper surface of the movable plate 601, so that it is ensured that when the telescopic column 3021 is forced to move downward, the movable plate 601 is synchronously moved downward by the limiting ring 3022, and further, the first spring 3023 and the third spring 7012 which are matched with each other should be selected.
Wherein, second through-hole 603 lower surface edge all is provided with fixing base 604 with first flexible hole 302 upper surface edge, inlays between two fixing bases 604 and is equipped with first spring 3023, makes first spring 3023 fixed mounting in fixing base 604, ensures first spring 3023's stability through fixing base 604, and flexible post 3021 is nested fixed with first spring 3023, and flexible post 3021 passes first spring 3023 and first flexible hole 302 swing joint.
Still further, limit switch 7 is through gag lever post 701 and fixed cover 305 and activity groove 304 swing joint, and when third spring 7012 was in the relaxed state, retainer plate 7011 and the laminating of base 3 lateral wall, and retainer plate 7011 external diameter is greater than activity groove 304 aperture, and when making gag lever post 701 atress remove, third spring 7012 received the thrust compression of retainer plate 7011 in step.
In addition, the ejection rod 602 is movably connected with the ejection hole 5021, the second spring 6021 is nested between the lower surface of the ejection hole 5021 and the movable plate 601 on the side wall of the ejection rod 602, and the second spring 6021 can effectively reduce the excessive resilience force of the movable plate 601 caused by the resilience of the first spring 3023, thereby effectively preventing the damage of the mold.
In addition, the upper wedge 6051 and the lower wedge 702 are the same size, the upper wedge 6051 and the lower wedge 702 are disposed within the first bore 303, and the inner diameter of the first bore 303 is larger than the size of the upper wedge 6051 to allow the upper wedge 6051 to move up and down within the first bore 303.
Specifically, the height of the telescopic column 3021 extending out of the second telescopic hole 501 is matched with the heights of the upper wedge 6051 and the lower wedge 702, the height of the telescopic column 3021 extending out of the second telescopic hole 501 is matched with the height of the first telescopic hole 302, when the lower edge wall of the upper mold 1 is completely attached to the upper edge wall of the cavity plate 5, the lower wedge 702 moves to the top of the upper wedge 6051, and the upper wedge 6051 is limited and fixed through the lower wedge 702.
Furthermore, the size of the convex mold plate 2 is matched with the size of the concave mold groove 502, and the height of the side wall of the concave mold plate 5 is larger than that of the convex mold plate 2, so that an injection molding space is reserved between the concave mold groove 502 and the convex mold plate 2.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Quick ejection mechanism of injection mold based on high-efficient drawing of patterns, its characterized in that: including last mould (1) and setting up lower mould (4) in last mould (1) bottom, include at least in lower mould (4):
a base (3), a first through hole (303) is formed in the center of the upper surface of the base (3), first telescopic holes (302) are formed in the edges of the upper surface of the base (3) close to the left side and the right side of the first through hole (303), a movable groove (304) communicated with the first through hole (303) is formed in the base (3), one end of the movable groove (304) is communicated with the side wall of the base (3), a fixed sleeve (305) is fixedly connected in the movable groove (304), a female die fixing plate (306) is fixedly connected to the top of the base (3), a female die plate (5) is arranged in the center of the upper surface of the female die fixing plate (306), a female die groove (502) is formed in the center of the upper surface of the female die plate (5), an ejection hole (5021) penetrating through the female die plate (5) is formed in the center of the upper surface of the female die groove (502), the upper edge wall surfaces of the left end and the right end of the female die plate (5) are provided with second telescopic holes (501), and the inside of the female die fixing plate (306) is provided with a movable cavity (402);
the ejection part (6) is installed in the movable cavity (402), the ejection part (6) at least comprises a movable plate (601), an ejection rod (602) is fixedly connected to the center of the upper surface of the movable plate (601), second through holes (603) are formed in the edges, close to the upper surface of the movable plate (601), of the left side and the right side of the ejection rod (602), telescopic columns (3021) are movably connected in the second through holes (603), limiting rings (3022) are fixedly connected to the centers of the outer walls of the telescopic columns (3021), first springs (3023) are nested at the bottom ends of the telescopic columns (3021), a connecting rod (605) is fixedly connected to the center of the lower surface of the movable plate (601), and an upper wedge block (6051) is fixedly connected to the bottom ends of the connecting rod (605);
limit switch (7), at least including gag lever post (701) in limit switch (7), wedge (702) under the one end fixedly connected with of gag lever post (701), cap (703) are adjusted to the other end fixedly connected with of gag lever post (701), be close to on gag lever post (701) adjust left position fixedly connected with retainer plate (7011) of cap (703), lie in on gag lever post (701) retainer plate (7011) with it has third spring (7012) to nest between adjusting cap (703).
2. The injection mold rapid ejection mechanism based on efficient demolding according to claim 1, characterized in that: the lower surface center department fixedly connected with convex die board (2) of going up mould (1), it has seted up first locating hole (101) to go up mould (1) upper surface and be close to four corners edge, convex die board (2) lower surface center department sets up and runs through injection molding hole (201) of going up mould (2).
3. The injection mold rapid ejection mechanism based on efficient demolding according to claim 2, characterized in that: the upper surface of the lower die (4) is provided with second positioning holes (401) close to edges of four corners, the second positioning holes (401) penetrate through the die fixing plate (306), the first positioning holes (101) are vertically aligned with the second positioning holes (401), the lower die (4) is fixedly connected with guide pillars (301), the guide pillars (301) penetrate through the second positioning holes (401) to be fixedly connected with the base (3), and the upper die (1) is in sliding connection with the guide pillars (301) through the first positioning holes (101).
4. The injection mold rapid ejection mechanism based on efficient demolding according to claim 1, characterized in that: the telescopic column (3021) penetrates through one end of the second through hole (603) and extends into the first telescopic hole (302), the other end of the telescopic column (3021) extends out of the second telescopic hole (501), and the limiting ring (3022) is attached to the upper surface of the movable plate (601).
5. The injection mold rapid ejection mechanism based on efficient demolding according to claim 1, characterized in that: the edge of the lower surface of the second through hole (603) and the edge of the upper surface of the first telescopic hole (302) are both provided with a fixed seat (604), two first springs (3023) are embedded between the fixed seats (604), and the telescopic column (3021) and the first springs (3023) are fixed in a nested manner.
6. The injection mold rapid ejection mechanism based on efficient demolding according to claim 1, characterized in that: limit switch (7) pass through gag lever post (701) with fixed cover (305) with activity groove (304) swing joint, retainer plate (7011) with the laminating of base (3) lateral wall, just retainer plate (7011) external diameter is greater than activity groove (304) aperture.
7. The injection mold rapid ejection mechanism based on efficient demolding according to claim 1, characterized in that: the ejection rod (602) is movably connected with the ejection hole (5021), and a second spring (6021) is nested between the side wall of the ejection rod (602) and the lower surface of the ejection hole (5021) and the movable plate (601).
8. The injection mold rapid ejection mechanism based on efficient demolding according to claim 1, characterized in that: the upper wedge block (6051) and the lower wedge block (702) are the same in size, the upper wedge block (6051) and the lower wedge block (702) are arranged in the first through hole (303), and the inner diameter of the first through hole (303) is larger than the size of the upper wedge block (6051).
9. The injection mold rapid ejection mechanism based on efficient demolding according to claim 1, characterized in that: the height that flexible post (3021) stretches out second flexible hole (501) with go up wedge (6051) and the height looks adaptation of wedge (702) down, flexible post (3021) stretch out the height that second flexible hole (501) with first flexible hole (302) height looks adaptation.
10. The injection mold rapid ejection mechanism based on efficient demolding according to claim 2, characterized in that: the size of the male die plate (2) is matched with that of the female die groove (502), and the height of the side wall of the female die plate (5) is larger than that of the male die plate (2).
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| CN202110765620.4A CN113320104A (en) | 2021-07-07 | 2021-07-07 | Injection mold quick ejection mechanism based on efficient demolding |
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| CN113733494A (en) * | 2021-09-15 | 2021-12-03 | 张鲁峰 | Injection mold with automatic excess material cutting mechanism |
| CN114103007A (en) * | 2021-11-12 | 2022-03-01 | 天长市富实安全防护用品有限公司 | Forming die is used in production of formula of pouring safety helmet shell |
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Application publication date: 20210831 |