CN215661613U - Sand prevention hole self-bleeding injection mold - Google Patents
Sand prevention hole self-bleeding injection mold Download PDFInfo
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- CN215661613U CN215661613U CN202122126828.XU CN202122126828U CN215661613U CN 215661613 U CN215661613 U CN 215661613U CN 202122126828 U CN202122126828 U CN 202122126828U CN 215661613 U CN215661613 U CN 215661613U
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Abstract
The utility model discloses an automatic air exhaust injection mold for sand prevention, which comprises a base, wherein a lower mold is arranged above the base, an upper mold matched with the lower mold is arranged above the lower mold, a lifting assembly for driving the upper mold to move is arranged at the top end of the upper mold, the automatic air exhaust injection mold also comprises a vibrating assembly and two air exhaust assemblies, the vibrating assembly is used for driving injection raw materials in the lower mold to vibrate and exhaust, the vibrating assembly is positioned at the bottom end of the lower mold, the air exhaust assemblies are used for exhausting redundant air in the lower mold, the two air exhaust assemblies are provided with two groups, and the two groups of air exhaust assemblies are symmetrically arranged at two sides above the upper mold. Is convenient for use.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an automatic sand hole prevention exhaust injection mold.
Background
An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the injection molding raw material which is melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.
The existing injection mold mostly utilizes the parting surface and the assembly clearance of inserts at other positions to exhaust, the exhaust treatment can not be carried out on the molten injection raw material, if the gas in the injection raw material cannot be discharged in time, the flow of the injection raw material is not uniform, the sand holes are easy to appear, the quality of a formed product is influenced, and the sand hole-preventing automatic exhaust injection mold is provided aiming at the problem.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide an automatic venting injection mold for preventing sand holes, so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the automatic sand-proof hole exhaust injection mold comprises a base, wherein a lower mold is arranged above the base, an upper mold matched with the lower mold is arranged above the lower mold, a lifting assembly used for driving the upper mold to move is arranged at the top end of the upper mold, and the automatic sand-proof hole exhaust injection mold also comprises a vibration assembly and an exhaust assembly;
the vibration component is used for driving injection molding raw materials in the lower die to vibrate and exhaust, and the vibration component is located at the bottom end of the lower die;
the exhaust assemblies are used for exhausting redundant gas inside the lower die and are arranged in two groups, and the two groups of exhaust assemblies are symmetrically arranged on two sides above the upper die.
As a further scheme of the utility model: the utility model discloses a vibrating assembly, including the perforation that is located the base intermediate position and runs through the base setting, fenestrate inside sliding connection has the slider, the top of slider is equipped with the impact pole that is used for knocking the bed die, the surface rotation of slider is connected with the bull stick, the bottom mounting of base has fixed box, the inside rotation of fixed box is connected with the carousel, one side of carousel is equipped with the arch, bellied fixed surface is connected with branch, the other end and the bull stick rotation of branch are connected, just the outside of fixed box is equipped with and is used for driving carousel pivoted motor, the bottom equidistance of bed die is equipped with the multiunit and is used for making the bed die produce the spring of vibration effect, the other end of spring all with base fixed connection.
As a further scheme of the utility model: the exhaust subassembly is including running through the gas outlet that the mould set up, the inside of gas outlet is equipped with the solenoid valve, the top of going up the mould is fixed with the sleeve pipe with the gas outlet intercommunication, sheathed tube inside seal sliding connection has sealed piece, the top of sealed piece is fixed with the connecting rod, the top of connecting rod is passed sleeve pipe and lifting unit fixed connection, just sheathed tube bottom one side is equipped with the blast pipe, be equipped with the valve on the blast pipe.
As a further scheme of the utility model: the spring is characterized in that a telescopic sleeve used for preventing the spring from inclining is arranged inside the spring, one end of the telescopic sleeve is fixedly connected with the lower die, and the other end of the telescopic sleeve is fixedly connected with the base.
As a further scheme of the utility model: the lifting assembly comprises a support fixed above the lower die, a cylinder is fixed at the bottom end of the support, the output end of the cylinder is fixedly connected with the upper die, and the top end of the connecting rod is fixedly connected with the support.
As a still further scheme of the utility model: the perforated both sides all are equipped with and are used for carrying out spacing groove to the slider, the inside sliding connection of spacing groove has the stopper, the one end of stopper all with slider fixed connection.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the lower die can be continuously knocked by the knocking rod through the vibrating assembly, and the lower die can produce a vibrating effect under the cooperation of the spring, so that bubbles in the injection molding raw materials can be broken by vibration, the injection molding raw materials can be better and uniformly distributed in the lower die, the sand hole condition is reduced, and the use is convenient.
According to the utility model, through the arrangement of the exhaust assembly, when the air pressure in the mold is too high, the plug can be extruded, the plug drives the sealing block to move upwards, the first spring is compressed at the moment, and the exhaust pipe can be opened when the sealing block moves upwards, so that the gas in the mold can be conveniently exhausted.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic bottom view of the present invention.
Fig. 3 is a schematic cross-sectional structure of the present invention.
Fig. 4 is an enlarged schematic view of part a of the present invention.
Fig. 5 is an enlarged schematic view of part B of the present invention.
Wherein: 1. a base; 2. an upper die; 3. a lower die; 4. a support; 5. a cylinder; 6. an air outlet; 7. an electromagnetic valve; 8. a sleeve; 9. a connecting rod; 10. a sealing block; 11. an exhaust pipe; 12. a spring; 13. a telescopic sleeve; 14. a striker bar; 15. perforating; 16. a slider; 17. a rotating rod; 18. a strut; 19. a protrusion; 20. a turntable; 21. a motor; 22. and (5) fixing the box.
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.
Example 1
Referring to fig. 1-5, in the embodiment of the present invention, an injection mold capable of automatically exhausting air for sand prevention includes a base 1, a lower mold 3 is disposed above the base 1, an upper mold 2 matched with the lower mold 3 is disposed above the lower mold 3, a lifting assembly for driving the upper mold 2 to move is disposed at a top end of the upper mold 2, the lifting assembly can drive the upper mold 2 to move downward, so that the upper mold 2 is buckled with the lower mold 3, and the injection mold further includes a vibration assembly and an exhaust assembly;
the vibrating assembly is used for driving injection molding raw materials in the lower die 3 to vibrate and exhaust, so that air bubbles in the injection molding raw materials are broken by vibration, the injection molding raw materials can be uniformly distributed in the lower die 3, the sand hole condition is reduced, and the vibrating assembly is located at the bottom end of the lower die 3;
the exhaust assembly is used for exhausting redundant gas inside the lower die 3, can automatically exhaust and is convenient to use, two sets of exhaust assemblies are arranged and are symmetrically arranged on two sides of the upper portion of the upper die 2.
The vibration component comprises a through hole 15 which is located in the middle of the base 1 and penetrates through the base 1, a slider 16 is connected inside the through hole 15 in a sliding manner, an impact rod 14 used for knocking the lower die 3 is arranged at the top end of the slider 16, a rotating rod 17 is connected on the surface of the slider 16 in a rotating manner, a fixed box 22 is fixed at the bottom end of the base 1, a rotary plate 20 is connected inside the fixed box 22 in a rotating manner, a protrusion 19 is arranged on one side of the rotary plate 20, a supporting rod 18 is fixedly connected on the surface of the protrusion 19, the other end of the supporting rod 18 is rotatably connected with the rotating rod 17, a motor 21 used for driving the rotary plate 20 to rotate is arranged on the outer side of the fixed box 22, a plurality of groups of springs 12 used for enabling the lower die 3 to generate a vibration effect are arranged on the bottom end of the lower die 3 in an equidistance manner, the other ends of the springs 12 are fixedly connected with the base 1, and during use, the motor 21 can drive the rotary plate 20 to rotate, thereby can drive protruding 19 and rotate, when protruding 19 rotates to the top of carousel 20, can drive slider 16 upwards to slide through branch 18 and bull stick 17, thereby drive impact pole 14 and upwards remove and strike lower mould 3, carousel 20 continues to rotate, under branch 18 and bull stick 17's drive, make slider 16 can drive impact pole 14 and downwards remove, thereby can be continuous strike lower mould 3, under spring 12's cooperation, make lower mould 3 can produce the effect of vibration, thereby can make the inside bubble of raw and other materials of moulding plastics broken by shaking, make the inside of equalling divide distribution at lower mould 3 that raw and other materials of moulding plastics can be better, the condition of sand eye is reduced.
The exhaust assembly comprises an air outlet 6 penetrating through the upper die 2, an electromagnetic valve 7 is arranged inside the air outlet 6, a sleeve 8 communicated with the air outlet 6 is fixed at the top end of the upper die 2, a sealing block 10 is connected inside the sleeve 8 in a sealing and sliding manner, a connecting rod 9 is fixed at the top end of the sealing block 10, the top end of the connecting rod 9 penetrates through the sleeve 8 and is fixedly connected with the lifting assembly, an exhaust pipe 11 is arranged on one side of the bottom end of the sleeve 8, a valve is arranged on the exhaust pipe 11, it needs to be noted that when the exhaust assembly is actually used, the connecting rod 9 is long enough, the upper die 2 cannot be buckled with the lower die 3, when the exhaust assembly is used, when the upper die 2 moves downwards, the upper die 2 can drive the sleeve 8 to move downwards, and because the position of the connecting rod 9 is fixed, when the sleeve 8 moves downwards, the sealing block 10 moves upwards relative to the sleeve 8, make sleeve pipe 8's inner chamber form the negative pressure, after last mould 2 and bed die 3 looks lock, open solenoid valve 7, the inside gas of bed die 3 can get into sleeve pipe 8's inside through gas outlet 6, accomplishes the inside gaseous exhaust of bed die 3, accessible blast pipe 11 is with the inside gaseous exhaust of sleeve pipe 8 afterwards.
The inside of spring 12 is equipped with the telescope tube 13 that is used for preventing spring 12 slope, the one end and the bed die 3 fixed connection of telescope tube 13, the other end and the base 1 fixed connection of telescope tube 13, telescope tube 13 can prevent that spring 12 from inclining to can prevent that bed die 3 from taking place the slope.
Lifting unit is including being fixed in support 4 above 3 lower moulds, the bottom mounting of support 4 has cylinder 5, the output of cylinder 5 and last mould 2 fixed connection, just the top and the support 4 fixed connection of connecting rod 9 can drive mould 2 downstream through cylinder 5 for go up mould 2 and 3 looks locks of lower mould.
Example 2
Referring to fig. 1-5, the difference from embodiment 1 is: both sides of perforation 15 all are equipped with and are used for carrying out spacing groove to slider 16, the inside sliding connection of spacing groove has the stopper, the one end of stopper all with 16 fixed connection of slider, the setting of spacing groove and stopper can prevent 16 roll-off perforation 15's of slider inside, has also increased the stability when slider 16 slides simultaneously, avoids the condition of blocking to take place.
The working principle of the utility model is as follows:
when the utility model is used, the upper die 2 can be driven to move downwards through the air cylinder 5, so that the upper die 2 is buckled with the lower die 3, then injection molding raw materials are introduced into the lower die 3, the motor 21 is started, the motor 21 can drive the turntable 20 to rotate, so that the protrusion 19 can be driven to rotate, when the protrusion 19 rotates to the top end of the turntable 20, the slide block 16 can be driven to slide upwards through the supporting rod 18 and the rotating rod 17, so that the impact rod 14 is driven to move upwards and the lower die 3 is knocked, the turntable 20 continues to rotate, the slide block 16 can drive the impact rod 14 to move downwards under the driving of the supporting rod 18 and the rotating rod 17, so that the lower die 3 can be knocked continuously, under the cooperation of the spring 12, the lower die 3 can produce the vibration effect, so that bubbles in the injection molding raw materials can be vibrated, and the injection molding raw materials can be uniformly distributed in the lower die 3, the condition of sand eye is reduced, when last mould 2 moves down, it can drive sleeve pipe 8 and move down to go up mould 2, because the position of connecting rod 9 is fixed, therefore when sleeve pipe 8 moves down, sealed piece 10 is for sleeve pipe 8 rebound, make the inner chamber of sleeve pipe 8 form the negative pressure, after last mould 2 and bed die 3 looks lock, open solenoid valve 7, the inside gas of bed die 3 can pass through gas outlet 6 and get into the inside of sleeve pipe 8, accomplish the exhaust of the inside gas of bed die 3, accessible blast pipe 11 is discharged the inside gas of sleeve pipe 8 afterwards.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (6)
1. The automatic sand-proof air exhaust injection mold comprises a base (1), wherein a lower mold (3) is arranged above the base (1), an upper mold (2) matched with the lower mold (3) is arranged above the lower mold (3), and a lifting assembly for driving the upper mold (2) to move is arranged at the top end of the upper mold (2), and is characterized by further comprising a vibration assembly and an exhaust assembly;
the vibration component is used for driving injection molding raw materials in the lower die (3) to vibrate and exhaust, and the vibration component is located at the bottom end of the lower die (3);
the exhaust assemblies are used for exhausting redundant gas inside the lower die (3), and are arranged in two groups, and the two groups of exhaust assemblies are symmetrically arranged on two sides above the upper die (2).
2. The automatic air exhaust injection mold for the sand prevention hole as recited in claim 1, wherein the vibration component comprises a through hole (15) located at the middle position of the base (1) and arranged through the base (1), a sliding block (16) is slidably connected inside the through hole (15), a striking rod (14) for striking the lower mold (3) is arranged at the top end of the sliding block (16), a rotating rod (17) is rotatably connected to the surface of the sliding block (16), a fixed box (22) is fixed at the bottom end of the base (1), a rotating disc (20) is rotatably connected inside the fixed box (22), a protrusion (19) is arranged at one side of the rotating disc (20), a supporting rod (18) is fixedly connected to the surface of the protrusion (19), the other end of the supporting rod (18) is rotatably connected with the rotating rod (17), and a motor (21) for driving the rotating disc (20) is arranged at the outer side of the fixed box (22), the bottom equidistance of bed die (3) is equipped with the spring (12) that the multiunit was used for making bed die (3) produce the vibration effect, the other end of spring (12) all with base (1) fixed connection.
3. The automatic air exhaust injection mold for the sand prevention hole as defined in claim 1, wherein the air exhaust assembly comprises an air outlet (6) penetrating through the upper mold (2), an electromagnetic valve (7) is arranged inside the air outlet (6), a sleeve (8) communicated with the air outlet (6) is fixed at the top end of the upper mold (2), a sealing block (10) is connected inside the sleeve (8) in a sealing and sliding manner, a connecting rod (9) is fixed at the top end of the sealing block (10), the top end of the connecting rod (9) penetrates through the sleeve (8) and is fixedly connected with the lifting assembly, an exhaust pipe (11) is arranged on one side of the bottom end of the sleeve (8), and a valve is arranged on the exhaust pipe (11).
4. The automatic air exhaust injection mold for the sand prevention hole as claimed in claim 2, wherein a telescopic sleeve (13) for preventing the spring (12) from inclining is arranged inside the spring (12), one end of the telescopic sleeve (13) is fixedly connected with the lower mold (3), and the other end of the telescopic sleeve (13) is fixedly connected with the base (1).
5. The automatic air exhaust injection mold for the sand prevention hole as claimed in claim 3, wherein the lifting assembly comprises a support (4) fixed above the lower mold (3), an air cylinder (5) is fixed at the bottom end of the support (4), the output end of the air cylinder (5) is fixedly connected with the upper mold (2), and the top end of the connecting rod (9) is fixedly connected with the support (4).
6. The automatic sand-proof hole exhaust injection mold according to claim 2, wherein both sides of the through hole (15) are provided with limiting grooves for limiting the sliding block (16), limiting blocks are slidably connected inside the limiting grooves, and one ends of the limiting blocks are fixedly connected with the sliding block (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122126828.XU CN215661613U (en) | 2021-09-06 | 2021-09-06 | Sand prevention hole self-bleeding injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122126828.XU CN215661613U (en) | 2021-09-06 | 2021-09-06 | Sand prevention hole self-bleeding injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN215661613U true CN215661613U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122126828.XU Active CN215661613U (en) | 2021-09-06 | 2021-09-06 | Sand prevention hole self-bleeding injection mold |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117464932A (en) * | 2023-12-28 | 2024-01-30 | 大地(山东)汽车零部件有限公司 | Injection mold is used in production of automobile parts |
| CN117656398A (en) * | 2024-01-31 | 2024-03-08 | 华东交通大学 | Helicopter composite material blade forming die and application method thereof |
| CN117841317A (en) * | 2024-01-29 | 2024-04-09 | 广州纯信科技有限公司 | Intelligent integrated injection molding system |
-
2021
- 2021-09-06 CN CN202122126828.XU patent/CN215661613U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117464932A (en) * | 2023-12-28 | 2024-01-30 | 大地(山东)汽车零部件有限公司 | Injection mold is used in production of automobile parts |
| CN117464932B (en) * | 2023-12-28 | 2024-03-15 | 大地(山东)汽车零部件有限公司 | Injection mold is used in production of automobile parts |
| CN117841317A (en) * | 2024-01-29 | 2024-04-09 | 广州纯信科技有限公司 | Intelligent integrated injection molding system |
| CN117656398A (en) * | 2024-01-31 | 2024-03-08 | 华东交通大学 | Helicopter composite material blade forming die and application method thereof |
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