CN212498801U - Quick ejection mechanism of injection mold - Google Patents
Quick ejection mechanism of injection mold Download PDFInfo
- Publication number
- CN212498801U CN212498801U CN202020491777.3U CN202020491777U CN212498801U CN 212498801 U CN212498801 U CN 212498801U CN 202020491777 U CN202020491777 U CN 202020491777U CN 212498801 U CN212498801 U CN 212498801U
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- fixing plate
- plate
- fixedly connected
- fixed plate
- guide pillar
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- 238000002347 injection Methods 0.000 title claims abstract description 19
- 239000007924 injection Substances 0.000 title claims abstract description 19
- 240000004282 Grewia occidentalis Species 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000001429 stepping Effects 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
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Abstract
The utility model relates to a quick ejection mechanism of injection mold, including lower bolster and lower mould benevolence, lower bolster lower part fixedly connected with cushion, open both sides around the cushion has the rectangular channel, cushion lower part fixedly connected with bottom plate, the first guide pillar of fixedly connected with on the bottom plate, from supreme first fixed plate that has set gradually down on the guide pillar, the second fixed plate, third fixed plate and fourth fixed plate, the groove of stepping down has all been opened in the four corners of second fixed plate and third fixed plate, every of second fixed plate steps down the inslot and all is provided with quick kicking block, quick kicking block includes the commentaries on classics board, pulley and fixed block, the first ejector pin of fixedly connected with on the first fixed plate, fixedly connected with second ejector pin on the fourth fixed plate. The utility model has the advantages that: through the cooperation of quick kicking block and rectangular channel use, can carry out ejecting fast to the more, the complicated product of structure of corner, improve ejecting product yield and production efficiency.
Description
Technical Field
The utility model relates to a mould ejection mechanism field, concretely relates to quick ejection mechanism of injection mold.
Background
Plastic injection molding is a method of producing plastic products by injecting molten plastic into a plastic product mold under pressure, and cooling and molding the plastic product to obtain various plastic parts. There are mechanical injection molding machines that are specifically used for injection molding. The plastic most commonly used today is polystyrene.
When the injection mold is used for demolding, for complex injection products with more corners and longer protruding parts, the situation that the adhesion force is larger due to the fact that the more corners and the longer protrusions are deeply molded in the lower mold core (the deeper grooves are formed in the lower mold core) after the injection molding is finished is adopted, a general ejection mechanism is adopted, the ejection speed is slow, the products are difficult to eject, the ejection yield is low, and the production efficiency is low, so that the injection mold quick ejection mechanism is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides a quick ejection mechanism of injection mold of mechanism, can carry out ejecting fast to the injection product that the corner is more and have longer bulge, improve ejecting product yield and production efficiency.
In order to achieve the above object, the present invention provides the following technical solutions: a quick ejection mechanism of an injection mold comprises a lower template and a lower mold core, wherein cushion blocks are fixedly connected to the lower portion of the lower template, rectangular grooves are formed in the front side and the rear side of each cushion block, a bottom plate is fixedly connected to the lower portion of each cushion block, a circular through hole is formed in the middle of each bottom plate, a first guide pillar is fixedly connected to each bottom plate, the other end of each first guide pillar is fixedly connected to the lower template, a first fixing plate, a second fixing plate, a third fixing plate and a fourth fixing plate are sequentially arranged on each guide pillar from bottom to top, abdicating grooves are formed in the four corners of each second fixing plate and the corresponding third fixing plate, a quick ejection block is arranged in each abdicating groove of each second fixing plate and comprises a rotating plate, a pulley and a fixing block, a first ejection rod is fixedly connected to each first fixing plate, a second ejection rod is fixedly connected to each fourth fixing plate, and a second guide, the first fixing plate is in threaded connection with the second fixing plate, and the third fixing plate is in threaded connection with the fourth fixing plate.
Furthermore, the first fixing plate, the second fixing plate, the third fixing plate and the fourth fixing plate are located between the lower die plate and the bottom plate, the first fixing plate, the second fixing plate, the third fixing plate and the fourth fixing plate are all connected with the first guide pillar in a vertically sliding mode, and the second guide pillar penetrates through the fourth fixing plate and is connected with the lower die plate in a vertically sliding mode.
Further, the fixed block is in threaded connection with the second fixed plate; one section of the rotating plate inclines upwards, the other end of the rotating plate is a horizontal section, and the upwards inclined end of the rotating plate is positioned in the rectangular groove; the commentaries on classics board specifically has two, and the middle part of two commentaries on classics boards is articulated with the left and right sides of fixed block respectively, the both ends of pulley are articulated with two commentaries on classics boards respectively, the pulley specifically has two, and two pulleys are located the front and back both ends of changeing the board respectively.
Furthermore, the first ejector rod penetrates through the second fixing plate, the third fixing plate, the fourth fixing plate and the lower die plate to be connected with the lower die core in a vertically sliding mode; the second ejector rod passes through the fourth fixing plate and the lower die plate and is connected with the lower die core in a vertically sliding mode.
The utility model has the advantages that: through the cooperation of quick kicking block and rectangular channel use, can carry out ejecting fast to the more, the complicated product of structure of corner, improve ejecting product yield and production efficiency.
Drawings
Fig. 1 is a schematic view of an axis measurement of a rapid ejection mechanism of an injection mold according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic view of a first ejector rod and a second ejector rod of the rapid ejection mechanism of the injection mold of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a view from B-B in FIG. 4;
fig. 6 is a schematic view of a fast ejecting block of the fast ejecting mechanism of the injection mold of the present invention;
fig. 7 is the utility model relates to a lower mould benevolence sketch map of quick ejection mechanism of injection mold.
In the figure: 1. a lower template; 2. a lower die core; 3. cushion blocks; 301. a rectangular groove; 4. rapidly ejecting the block; 401. rotating the plate; a pulley 402; 403. a fixed block; 404. a torsion spring; 5. a first guide post; 6. a first fixing plate; 601. a first ejector rod; a second fixing plate; 8. a third fixing plate; 9. a fourth fixing plate; 901. a second ejector rod; 10. a base plate; 11. and a second guide post.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-7, the injection mold rapid ejection mechanism includes a lower template 1 and a lower mold core 2, wherein a cushion block 3 is fixedly connected to the lower portion of the lower template 1, rectangular grooves 301 are formed on the front and rear sides of the cushion block 3, a bottom plate 10 is fixedly connected to the lower portion of the cushion block 3, a circular through hole is formed in the middle of the bottom plate 10, a first guide pillar 5 is fixedly connected to the bottom plate 10, the other end of the first guide pillar 5 is fixedly connected to the lower template 1, a first fixing plate 6, a second fixing plate 7, a third fixing plate 8 and a fourth fixing plate 9 are sequentially arranged on the guide pillar 5 from bottom to top, a abdicating groove is formed in each of four corners of the second fixing plate 7 and the third fixing plate 8, a rapid ejection block 4 is arranged in each abdicating groove of the second fixing plate 7, the rapid ejection block 4 includes a rotating plate 401, a pulley 402 and a fixing block 403, a first ejection rod 601 is fixedly connected to, the fourth fixing plate 9 is fixedly connected with a second ejector rod 901, the third fixing plate 8 is fixedly connected with a second guide post 11, the first fixing plate 6 is in threaded connection with the second fixing plate 7, and the third fixing plate 8 is in threaded connection with the fourth fixing plate 9.
The first fixing plate 6, the second fixing plate 7, the third fixing plate 8 and the fourth fixing plate 9 are located between the lower die plate 1 and the bottom plate 10, the first fixing plate 6, the second fixing plate 7, the third fixing plate 8 and the fourth fixing plate 9 are connected with the first guide pillar 5 in a vertically sliding mode, and the second guide pillar 11 penetrates through the fourth fixing plate 9 and is connected with the lower die plate 1 in a vertically sliding mode.
The fixing block 403 is in threaded connection with the second fixing plate 7; one section of the rotating plate 401 inclines upwards, the other end of the rotating plate 401 is a horizontal section, and the upwards inclined end of the rotating plate 401 is positioned in the rectangular groove 301; the rotating plates 401 are specifically two, the middle portions of the two rotating plates 401 are hinged to the left side and the right side of the fixing block 403 respectively, two ends of each pulley 402 are hinged to the two rotating plates 401 respectively, the pulleys 402 are specifically two, and the two pulleys 402 are located at the front end and the rear end of each rotating plate 401 respectively.
The first ejector rod 601 penetrates through the second fixing plate 7, the third fixing plate 8, the fourth fixing plate 9 and the lower die plate 1 to be connected with the lower die core 2 in a vertically sliding mode; the second ejector rod 901 passes through the fourth fixing plate 9 and the lower die plate 1 to be connected with the lower die core 2 in a vertically sliding mode.
The utility model discloses a theory of operation is: the utility model discloses when using, pass the circular through-hole of bottom plate 1. The first fixing plate 6 is pushed upwards, so that the first fixing plate 6, the second fixing plate 7, the third fixing plate 8 and the fourth fixing plate 9 start to rise along the first guide pillar 5, the first ejector rod 601 and the second ejector rod 901 also rise in the lower mold core 2, when the end, inclined upwards, of the rapid ejector block 4 contacts with the upper end of the rectangular groove 301 and then continues to move upwards, the end, inclined upwards, of the rotating plate 401 turns downwards, the horizontal section of the rotating plate 401 turns upwards to quickly jack up the third fixing plate 8 and the fourth fixing plate 9, and the second ejector rod 901 also rises quickly to separate the injection molding finished product from the lower mold core 2.
The above examples are provided for further illustration of the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood as being within the protection scope of the present invention.
Claims (4)
1. The utility model provides a quick ejection mechanism of injection mold, includes lower bolster (1) and lower mould benevolence (2), its characterized in that: the lower die plate is characterized in that cushion blocks (3) are fixedly connected to the lower portion of the lower die plate (1), rectangular grooves (301) are formed in the front side and the rear side of each cushion block (3), a bottom plate (10) is fixedly connected to the lower portion of each cushion block (3), a circular through hole is formed in the middle of each bottom plate (10), a first guide pillar (5) is fixedly connected to each bottom plate (10), the other end of each first guide pillar (5) is fixedly connected with the lower die plate (1), a first fixing plate (6), a second fixing plate (7), a third fixing plate (8) and a fourth fixing plate (9) are sequentially arranged on each guide pillar (5) from bottom to top, abdicating grooves are formed in the four corners of the second fixing plate (7) and the third fixing plate (8), a quick ejecting block (4) is arranged in each abdicating groove of the second fixing plate (7), each quick ejecting block (4) comprises a rotating plate (401), a pulley, the first fixing plate (6) is fixedly connected with a first ejector rod (601), the fourth fixing plate (9) is fixedly connected with a second ejector rod (901), the third fixing plate (8) is fixedly connected with a second guide pillar (11), the first fixing plate (6) is in threaded connection with the second fixing plate (7), and the third fixing plate (8) is in threaded connection with the fourth fixing plate (9).
2. The injection mold rapid ejection mechanism of claim 1, wherein: the first fixing plate (6), the second fixing plate (7), the third fixing plate (8) and the fourth fixing plate (9) are located between the lower die plate (1) and the bottom plate (10), the first fixing plate (6), the second fixing plate (7), the third fixing plate (8) and the fourth fixing plate (9) are connected with the first guide pillar (5) in a vertically sliding mode, and the second guide pillar (11) penetrates through the fourth fixing plate (9) and is connected with the lower die plate (1) in a vertically sliding mode.
3. The injection mold rapid ejection mechanism of claim 1, wherein: the fixing block (403) is in threaded connection with the second fixing plate (7); one section of the rotating plate (401) inclines upwards, the other end of the rotating plate is a horizontal section, and the upwards inclined end of the rotating plate (401) is positioned in the rectangular groove (301); the rotary plate is characterized in that the number of the rotary plates (401) is two, the middle portions of the two rotary plates (401) are hinged to the left side and the right side of the fixing block (403) respectively, the two ends of the pulleys (402) are hinged to the two rotary plates (401) respectively, the pulleys (402) are two, and the two pulleys (402) are located at the front end and the rear end of each rotary plate (401) respectively.
4. The injection mold rapid ejection mechanism of claim 1, wherein: the first ejector rod (601) penetrates through the second fixing plate (7), the third fixing plate (8), the fourth fixing plate (9) and the lower die plate (1) and is connected with the lower die core (2) in a vertically sliding mode; the second ejector rod (901) passes through the fourth fixing plate (9) and the lower template (1) and is connected with the lower mold core (2) in a vertically sliding manner; the first ejector rods (601) are multiple in number, and the multiple first ejector rods (601) are arranged on the first fixing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020491777.3U CN212498801U (en) | 2020-04-07 | 2020-04-07 | Quick ejection mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020491777.3U CN212498801U (en) | 2020-04-07 | 2020-04-07 | Quick ejection mechanism of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212498801U true CN212498801U (en) | 2021-02-09 |
Family
ID=74430649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020491777.3U Active CN212498801U (en) | 2020-04-07 | 2020-04-07 | Quick ejection mechanism of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212498801U (en) |
-
2020
- 2020-04-07 CN CN202020491777.3U patent/CN212498801U/en active Active
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