CN213733224U - Positioning mechanism for injection molding of injection molding machine - Google Patents
Positioning mechanism for injection molding of injection molding machine Download PDFInfo
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- CN213733224U CN213733224U CN202021866015.3U CN202021866015U CN213733224U CN 213733224 U CN213733224 U CN 213733224U CN 202021866015 U CN202021866015 U CN 202021866015U CN 213733224 U CN213733224 U CN 213733224U
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- positioning mechanism
- injection molding
- mold
- molding machine
- rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 238000001746 injection moulding Methods 0.000 title claims abstract description 33
- 239000002991 molded plastic Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000012938 design process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of injection molding machines, in particular to a positioning mechanism for injection molding of an injection molding machine, which comprises a left mold, a right mold, a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism comprises a first fixed block, and the first positioning mechanism is arranged, so that the left mold and the right mold always move under the guidance of the first positioning mechanism in the process of repeated mold opening and mold closing, therefore, even after long-time use, the accuracy of mold closing of the left mold and the right mold can be still ensured, thereby avoiding the condition that the product reject ratio is increased due to mold closing dislocation, improving the production efficiency, reducing the production cost, playing the role of auxiliary positioning by arranging the second positioning mechanism, ensuring the accuracy of the first positioning mechanism, being more beneficial to improving the accuracy of mold closing of the left mold and the right mold, and by arranging a spring, therefore, the mold opening of the left mold and the right mold is facilitated, and the use is more convenient.
Description
Technical Field
The utility model relates to an injection molding machine technical field, in particular to injection molding machine is moulded plastics and is used positioning mechanism.
Background
The forming process of a common screw injection molding machine comprises the following steps: granular or powdery plastic is firstly added into a machine barrel, the plastic is made into a molten state through the rotation of a screw and the heating of the outer wall of the machine barrel, then the machine carries out die assembly and the forward movement of an injection seat, a nozzle is made to be attached to a sprue channel of a die, then pressure oil is introduced into an injection cylinder, the screw is made to advance, so that molten materials are injected into a closed die with lower temperature at a higher pressure and a higher speed, and the closed die is kept under a certain time and pressure (also called pressure maintaining) and cooled to be solidified and molded, so that a product can be taken out after die opening (the pressure maintaining aims at preventing the molten materials in a die cavity from flowing backwards, supplementing the materials into the die cavity and ensuring that the product has certain density and dimensional tolerance). The basic requirements of injection molding are plasticization, injection and molding. Plasticization is a prerequisite for achieving and ensuring the quality of the molded product, and in order to meet the molding requirements, sufficient pressure and speed must be ensured for injection. Meanwhile, because the injection pressure is high, correspondingly high pressure is generated in the die cavity (the average pressure in the die cavity is generally between 20 and 45 MPa), and therefore, a sufficient mold clamping force is required. It follows that the injection unit and the clamping unit are key components of the injection molding machine.
When the existing injection molding machine is used for injection molding, the left mold and the right mold of the existing injection molding machine are used for a long time, so that the accuracy of mold closing is easily reduced, the quality of a product is greatly influenced, the reject ratio is increased, and the development of enterprises is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an injection molding machine is moulded plastics and is used positioning mechanism to the accuracy nature of the compound die that provides reduces and leads to the defective rate to increase in solving above-mentioned background art, thereby is unfavorable for the problem of enterprise's development.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection molding machine is moulded plastics and is used positioning mechanism, includes left mould, right mould, first positioning mechanism and second positioning mechanism, first positioning mechanism includes first fixed block, first fixed block fixed connection be in the both sides of left side mould, one side fixedly connected with telescopic link of first fixed block, the fixed second fixed block that is provided with in both sides of right side mould, one side of second fixed block is provided with the recess, fixedly connected with pipe in the recess, be provided with the spout on the inner wall of pipe, and pass through spout slip joint the telescopic link, second positioning mechanism includes the gag lever post, the gag lever post is fixed to be set up the both sides of first fixed block, the spacing groove has all been seted up to the both sides of second fixed block, the spacing inslot is provided with the spring.
Preferably, the telescopic link includes movable rod and dead lever, the tip fixed connection of movable rod is in one side of first fixed block, the tip slip joint of dead lever is in the pipe in the spout.
Preferably, the two sides of the fixed rod are provided with protrusions, and the guide pipe is slidably clamped in the sliding groove through the protrusions.
Preferably, the conduit is of a square configuration.
Preferably, the position of the limiting rod corresponds to the position of the limiting groove.
Preferably, the end of the spring is fixedly provided with a buffer gasket.
Preferably, one side of the buffer gasket is provided with anti-skid lines.
The utility model discloses a technological effect and advantage:
1. through being provided with first positioning mechanism to make left mould and right mould move under first positioning mechanism's guide at the in-process of a lot of die sinking and compound die always, consequently even long-time the back of using, still can guarantee the accuracy nature of the compound die of left mould and right mould, consequently avoid appearing the compound die dislocation and lead to the condition that the product defective rate increases, improved production efficiency, reduced manufacturing cost.
2. Through being provided with second positioning mechanism to can play the effect of assistance-localization real-time, guarantee the accuracy nature of first positioning mechanism, thus be favorable to improving the accuracy nature of the compound die of left mould and right mould more, and through being provided with the spring, consequently help the die sinking of left mould and right mould, consequently convenient to use more.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is a schematic view of the connection between the fixing rod and the guide tube according to the structure of the present invention;
fig. 3 is a partially enlarged view of fig. 1.
In the figure: 1. a left mold; 2. a right mold; 3. a first fixed block; 4. a telescopic rod; 5. a second fixed block; 6. a conduit; 7. a chute; 8. a limiting rod; 9. a limiting groove; 10. a spring; 11. a movable rod; 12. fixing the rod; 13. a protrusion; 14. and a buffer gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides an injection molding machine is moulded plastics and is used positioning mechanism, including left mould 1, right mould 2, first positioning mechanism and second positioning mechanism, first positioning mechanism includes first fixed block 3, 3 fixed connection of first fixed block are in the both sides of left mould 1, one side fixedly connected with telescopic link 4 of first fixed block 3, the fixed second fixed block 5 that is provided with in both sides of right mould 2, one side of second fixed block 5 is provided with the recess, fixedly connected with pipe 6 in the recess, be provided with spout 7 on the inner wall of pipe 6, and slide joint telescopic link 4 through spout 7, second positioning mechanism includes gag lever post 8, the fixed both sides that set up at first fixed block 3 of gag lever post 8, spacing groove 9 has all been seted up to the both sides of second fixed block 5, be provided with spring 10 in the spacing groove 9.
As shown in fig. 1, in the specific design process, the telescopic rod 4 includes a movable rod 11 and a fixed rod 12, an end of the movable rod 11 is fixedly connected to one side of the first fixed block 3, and an end of the fixed rod 12 is slidably engaged in the chute 7 of the guide tube 6.
It should be added that, through the sliding action of the movable rod 11 and the fixed rod 12, the left mold 1 and the right mold 2 always move under the guidance of the first positioning mechanism in the process of opening and closing the molds for many times, so that the accuracy of closing the molds of the left mold 1 and the right mold 2 can be still ensured even after the molds are used for a long time, the condition that the reject ratio of products is increased due to the dislocation of the closed molds is avoided, the production efficiency is improved, and the production cost is reduced.
As shown in fig. 3, in the present embodiment, the fixing rod 12 is provided with protrusions 13 at both sides thereof, and is slidably engaged in the sliding groove 7 of the guide tube 6 through the protrusions 13.
It is worth noting that it is thereby facilitated to slide the fixation rod 12 within the catheter 6.
As shown in fig. 2, in the present embodiment, the guide tube 6 has a square structure, the position of the limiting rod 8 corresponds to the position of the limiting groove 9, the end of the spring 10 is fixedly provided with a buffer pad 14, and one side of the buffer pad 14 is provided with an anti-skid thread.
In the specific design process, the buffer gasket 14 is arranged, so that the spring 10 is protected from being deformed due to overlarge impact, the service life of the spring 10 is prolonged, and one side of the buffer gasket 14 is provided with the anti-slip lines, so that the spring 10 is prevented from being lost due to extrusion deviation in the extrusion process.
This practical theory of operation: the positioning mechanism for injection molding of the injection molding machine of the embodiment is used, in the mold closing process, the left mold 1 drives the first fixed block 3 to move, thereby driving the movable rod 11 of the telescopic rod 4 to move towards the right mold 2, thereby the telescopic rod 4 is in the contraction state, the left mold 1 continues to move to the mold closing process with the right mold 2, the limiting rod 8 in the second positioning mechanism enters into the limiting groove 9 of the second fixed block 5, thereby the common positioning through the first positioning mechanism and the second positioning mechanism ensures the accuracy of the mold closing of the left mold 1 and the right mold 2, when the left mold 1 and the right mold 2 are completely closed, the limiting rod 8 extrudes the spring 10 through the buffer gasket 14, thereby in the mold opening process, the effect of assisting the mold opening can be achieved, the use is more convenient, after the mold opening, the left mold 1 moves towards the left, at this moment, the telescopic rod 4 is in the stretching state, therefore, the left mold 1 and the right mold 2 are always in the first positioning mechanism in the process of mold opening and closing for a plurality of the mold The guide moves down, so that even after the guide is used for a long time, the accuracy of die assembly of the left die 1 and the right die 2 can be still ensured, the condition that the reject ratio of products is increased due to die assembly dislocation is avoided, the production efficiency is improved, and the production cost is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (7)
1. The utility model provides an injection molding machine is moulded plastics and is used positioning mechanism, includes left mould (1), right mould (2), first positioning mechanism and second positioning mechanism, its characterized in that: the first positioning mechanism comprises a first fixed block (3), the first fixed block (3) is fixedly connected with two sides of the left die (1), one side of the first fixing block (3) is fixedly connected with a telescopic rod (4), two sides of the right die (2) are fixedly provided with second fixing blocks (5), a groove is arranged at one side of the second fixing block (5), a conduit (6) is fixedly connected in the groove, a chute (7) is arranged on the inner wall of the conduit (6), the telescopic rod (4) is clamped and connected in a sliding way through the sliding chute (7), the second positioning mechanism comprises a limiting rod (8), the limiting rods (8) are fixedly arranged at two sides of the first fixing block (3), limiting grooves (9) are formed in the two sides of the second fixing block (5), and springs (10) are arranged in the limiting grooves (9).
2. The positioning mechanism for injection molding of an injection molding machine according to claim 1, characterized in that: telescopic link (4) include movable rod (11) and dead lever (12), the tip fixed connection of movable rod (11) is in one side of first fixed block (3), the tip slip joint of dead lever (12) is in pipe (6) in spout (7).
3. The positioning mechanism for injection molding of an injection molding machine according to claim 2, characterized in that: bulges (13) are arranged on two sides of the fixed rod (12), and the bulges (13) are slidably clamped in the sliding grooves (7) of the guide pipe (6).
4. The positioning mechanism for injection molding of an injection molding machine according to claim 1, characterized in that: the guide pipe (6) is of a square structure.
5. The positioning mechanism for injection molding of an injection molding machine according to claim 1, characterized in that: the position of the limiting rod (8) corresponds to that of the limiting groove (9).
6. The positioning mechanism for injection molding of an injection molding machine according to claim 1, characterized in that: and a buffer gasket (14) is fixedly arranged at the end part of the spring (10).
7. The positioning mechanism for injection molding of an injection molding machine according to claim 6, wherein: and one side of the buffer gasket (14) is provided with anti-skid lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866015.3U CN213733224U (en) | 2020-09-01 | 2020-09-01 | Positioning mechanism for injection molding of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866015.3U CN213733224U (en) | 2020-09-01 | 2020-09-01 | Positioning mechanism for injection molding of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213733224U true CN213733224U (en) | 2021-07-20 |
Family
ID=76841368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021866015.3U Expired - Fee Related CN213733224U (en) | 2020-09-01 | 2020-09-01 | Positioning mechanism for injection molding of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213733224U (en) |
-
2020
- 2020-09-01 CN CN202021866015.3U patent/CN213733224U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |