CN217704473U - Safe and leak-proof injection mold - Google Patents
Safe and leak-proof injection mold Download PDFInfo
- Publication number
- CN217704473U CN217704473U CN202221668978.1U CN202221668978U CN217704473U CN 217704473 U CN217704473 U CN 217704473U CN 202221668978 U CN202221668978 U CN 202221668978U CN 217704473 U CN217704473 U CN 217704473U
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- mould
- fixedly connected
- die base
- upper die
- injection mold
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- 238000002347 injection Methods 0.000 title claims abstract description 31
- 239000007924 injection Substances 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims description 17
- 239000004033 plastic Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 8
- 238000001746 injection moulding Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to an injection mold field discloses a safe injection mold who prevents leaking, including the upper die base, the equal fixedly connected with electric putter in middle part both sides of upper die base, two the equal fixedly connected with ejector pin of electric putter's output, two the outside sliding connection of ejector pin is in the inside of last mould, go up the top fixedly connected with in the mould outside and go up high temperature resistant seal circle, the bottom of going up high temperature resistant seal circle is provided with the seal groove, go up the top surface of mould with the equal fixed connection of top surface of going up high temperature resistant seal circle is in the bottom surface of upper die base, be provided with the lower mould under going up the mould, high temperature resistant seal circle under the top fixedly connected with of lower mould. The utility model discloses in, can accomplish the compound die through the electronic hydraulic pump of drive, also make simultaneously down high temperature resistant sealing washer and seal groove tightly laminate, the raw materials of avoiding going up between mould and the lower mould can outwards not reveal, has also ensured staff's personal safety in the time of reduction in production cost.
Description
Technical Field
The utility model relates to an injection mold field especially relates to a safe injection mold who prevents leaking.
Background
The injection mold is a forming device for quickly producing products, the main raw materials are rubber and plastic, the injection mold is utilized to prepare plastic products with various shapes, specifically, the plastic or the rubber which is melted by heating is injected into a mold cavity by an injection molding machine at high pressure, and after cooling and solidification, a formed product is obtained, and the injection molded product is widely applied in daily life of people.
The existing injection mold has the advantages that in production, molten plastic liquid can leak in gaps of an upper mold and a lower mold due to high temperature and high pressure, waste is caused, the utilization rate of raw materials is low, the production cost is increased, meanwhile, the precision requirement of the mold is high, and the precision can be damaged when the mold is subjected to large collision or pressure, so that the service life is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a safe and leak-proof injection mold.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a safe injection mold who prevents leaking, includes the upper die base, the equal sliding connection in four corners of upper die base has the guide post, the upper die base middle part is provided with the mouth of moulding plastics, the equal fixedly connected with electric putter in middle part both sides of upper die base, two the equal fixedly connected with ejector pin of electric putter's output, two the outside sliding connection of ejector pin is in the inside of last mould, go up high temperature resistant sealing washer on the top fixedly connected with in the mould outside, the bottom of going up high temperature resistant sealing washer is provided with the seal groove, go up the top surface of mould with the equal fixed connection in top surface of last high temperature resistant sealing washer is in the bottom surface of upper die base, be provided with the lower mould under going up the mould, high temperature resistant sealing washer under the top fixedly connected with of lower mould, the bottom of lower mould is provided with the cooling tube way, the one end fixedly connected with water inlet of cooling tube way, the other end pipe connection of cooling tube way has the delivery port, the bottom surface pipe connection of lower mould has the die holder.
As a further description of the above technical solution:
four the top of guide post is fixed connection respectively in the bottom surface four corners of roof, four the bottom of guide post is fixed connection respectively in the top surface four corners of bottom plate, the equal fixedly connected with electric hydraulic pump in bottom surface middle part both sides of roof, two the output of electric hydraulic pump is fixed connection respectively in the top surface middle part both sides of upper die base, the outside sliding connection of going up the mould is at the inner wall of lower mould.
As a further description of the above technical solution:
four corners of the upper die base are provided with first through holes, and the outer sides of the four guide columns are respectively connected into the four first through holes in a sliding mode.
As a further description of the above technical solution:
second through holes are formed in two sides of the middle of the upper die base, and the two electric push rods are fixedly connected into the two second through holes respectively.
As a further description of the above technical solution:
and third through holes are formed in two sides of the middle of the upper die, and the outer sides of the two ejector rods are respectively connected into the two third through holes in a sliding manner.
As a further description of the above technical solution:
the middle part of going up the mould is provided with the fourth through-hole, the fourth through-hole link up each other with the mouth of moulding plastics.
As a further description of the above technical solution:
four corners of the bottom plate are provided with first grooves, and four guide rods are connected inside the first grooves in a sliding mode.
As a further description of the above technical solution:
the four guide rods are fixedly connected to four corners of the bottom surface of the lower die base respectively, springs are connected to the outer sides of the four guide rods in a sliding mode, and the springs are arranged between the bottom surface of the lower die base and the top surface of the bottom plate.
The utility model discloses following beneficial effect has:
1. the utility model discloses in, stretch out the output through drive electric hydraulic pump and can drive the upper die base and move down, make the outside sliding connection of going up the mould in the inboard of lower mould to accomplish the compound die, also make simultaneously down high temperature resistant sealing washer and seal groove and tightly laminate, avoid going up the raw materials between mould and the lower mould and can outwards not reveal, also ensured staff's personal safety when reduction in production cost.
2. The utility model discloses in, when stretching out carrying out the compound die of output through the drive electric hydraulic pump, through the overdraft compression spring that the electric hydraulic pump produced, it is tighter with the laminating of seal groove to utilize the elasticity of spring self to make down high temperature resistant sealing washer, thereby also avoids pressure too big to lead to the mould precision to be influenced through the buffering of spring simultaneously, makes the life extension of mould.
Drawings
Fig. 1 is a front sectional view of a safe and leak-proof injection mold provided by the present invention;
fig. 2 is a right side view of the safe and leak-proof injection mold according to the present invention;
FIG. 3 is a top sectional view of a cooling pipe of a safe and leak-proof injection mold according to the present invention;
fig. 4 is a front cross-sectional view of a guide rod of a safe and leak-proof injection mold according to the present invention;
fig. 5 is a schematic view of a lower high temperature-resistant sealing ring of the injection mold of the present invention.
Illustration of the drawings:
1. a top plate; 2. an electrically-driven hydraulic pump; 3. a guide post; 4. an electric push rod; 5. an injection molding port; 6. an upper die holder; 7. an upper die; 8. an upper high-temperature resistant sealing ring; 9. a sealing groove; 10. a top rod; 11. a lower high temperature resistant seal ring; 12. a lower die; 13. a lower die holder; 14. a water inlet; 15. a water outlet; 16. a cooling duct; 17. a guide bar; 18. a spring; 19. a base plate.
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. 1-5, the present invention provides an embodiment: a safe and leak-proof injection mold comprises an upper mold base 6, four corners of the upper mold base 6 are all slidably connected with guide columns 3, an injection port 5 is arranged in the middle of the upper mold base 6, electric push rods 4 are fixedly connected to two sides of the middle of the upper mold base 6, the output ends of the two electric push rods 4 are all fixedly connected with ejector rods 10, the outer sides of the two ejector rods 10 are slidably connected inside an upper mold 7, an upper high-temperature-resistant sealing ring 8 is fixedly connected to the top of the outer side of the upper mold 7, a sealing groove 9 is arranged at the bottom of the upper high-temperature-resistant sealing ring 8, the top surface of the upper mold 7 and the top surface of the upper high-temperature-resistant sealing ring 8 are both fixedly connected to the bottom surface of the upper mold base 6, a lower mold 12 is arranged right below the upper mold 7, a lower high-temperature-resistant sealing ring 11 is fixedly connected to the top of the lower mold 12, a cooling pipeline 16 is arranged at the bottom of the lower mold 12, and a water inlet 14 is fixedly connected to one end of the cooling pipeline 16, the other end of the cooling pipeline 16 is connected with a water outlet 15 through a pipeline, the bottom surface of the lower die 12 is connected with a lower die base 13 through a pipeline, when the cooling pipeline works, the two electric hydraulic pumps 2 are simultaneously driven to extend out of an output end to drive the upper die base 6 to move downwards along the guide post 3, so that the outer side of the upper die 7 is connected to the inner wall of the lower die 12 in a sliding manner, thus the die assembly is completed, the lower high-temperature-resistant sealing ring 11 is attached to a sealing groove 9 arranged at the bottom of the upper high-temperature-resistant sealing ring 8 while the die assembly is carried out, then hot-melt plastic liquid enters the space between the upper die 7 and the lower die 12 from the injection port 5 through a fourth through hole, cooling water is injected into the cooling pipeline 16 from a water inlet 14 after the injection is finished, then is discharged from the water outlet 15, the lower die 12 is cooled through the circulating flow in the cooling pipeline 16, the electric hydraulic pumps 2 are driven to withdraw the output end after the product is formed, due to the thermal expansion of the object, the product after the shaping can overlap on the surface of last mould 7, drive electric putter 4 this moment stretches out the output and releases ejector pin 10, make the product and go up mould 7 separately, reach the purpose of drawing of patterns, through the laminating of last high temperature resistant sealing washer 8 with seal groove 9, can avoid when injection moulding product raw materials reveal from the gap, the utilization ratio of raw materials has been improved, the manufacturing cost of enterprise has been reduced, and the molten plastics liquid temperature is very high when injection moulding product, staff's personal safety has also been ensured.
The tops of the four guide columns 3 are respectively and fixedly connected with the four corners of the bottom surface of the top plate 1, the bottoms of the four guide columns 3 are respectively and fixedly connected with the four corners of the top surface of the bottom plate 19, the two sides of the middle part of the bottom surface of the top plate 1 are respectively and fixedly connected with the electric hydraulic pumps 2, the output ends of the two electric hydraulic pumps 2 are respectively and fixedly connected with the two sides of the middle part of the top surface of the upper die base 6, the outer side of the upper die 7 is in sliding connection with the inner wall of the lower die 12, the four corners of the upper die base 6 are respectively provided with a first through hole, the outer sides of the four guide columns 3 are respectively in sliding connection with the four first through holes, the two sides of the middle part of the upper die base 6 are respectively and fixedly connected with the two second through holes, the two sides of the middle part of the upper die 7 are respectively provided with third through holes, the outer sides of the two ejector rods 10 are respectively and slidably connected with the fourth through holes, and are communicated with the injection molding port 5, four corners of a bottom plate 19 are respectively provided with first grooves, guide rods 17 are connected inside the four first grooves in a sliding manner, tops of the four guide rods 17 are respectively and fixedly connected with four corners of the bottom surface of a lower die base 13, springs 18 are connected outside the four guide rods 17 in a sliding manner, and the springs 18 are arranged between the bottom surface of the lower die base 13 and the top surface of the bottom plate 19, when die assembly is carried out through an electric hydraulic pump 2, the springs 18 can be contracted by generated downward pressure, the lower high-temperature-resistant sealing rings 11 and the sealing grooves 9 can be attached more tightly by utilizing the self elasticity of the springs 18, so that the leakage-proof effect is better, when the pressure is overlarge, the springs 18 can also play a role in buffering the pressure, meanwhile, the pressure is fed back to the upper high-temperature-resistant sealing rings 8, the lower high-temperature-resistant sealing rings 11 and the bottom plate 19, and the precision of the upper die 7 and the lower die 12 is prevented from being influenced due to overlarge pressure, so that the service life of the upper die 7 and the lower die 12 is prolonged.
The working principle is as follows: when the electric injection molding machine works, the two electric hydraulic pumps 2 are simultaneously driven to extend out of the output ends to drive the upper die base 6 to move downwards along the guide columns 3, the outer side of the upper die 7 is connected to the inner wall of the lower die 12 in a sliding mode, die assembly is completed, the lower high-temperature-resistant sealing ring 11 is attached to the sealing groove 9 formed in the bottom of the upper high-temperature-resistant sealing ring 8 when die assembly is performed, then hot-melt plastic liquid is injected into the space between the upper die 7 and the lower die 12 through the fourth through hole through the injection port 5, cooling water is injected into the cooling pipeline 16 from the water inlet 14 after injection is completed, the cooling water is discharged from the water outlet 15, the lower die 12 is cooled through circulating flow of the cooling water in the cooling pipeline 16, the electric hydraulic pumps 2 are driven to retract into the output ends after product molding, the molded product can be sleeved on the surface of the upper die 7 due to heat and cold shrinkage of the object, the electric push rods 4 are driven to extend out of the output ends to push the ejector rods 10, so that the product is separated from the upper die 7, the purpose of demolding is achieved, and the high-temperature plastic liquid melting safety of injection molding personnel is guaranteed. When carrying out the compound die through electronic hydraulic pump 2, the lower pressure that produces can make spring 18 contract, through utilizing the elasticity of spring 18 self, can make down high temperature resistant sealing washer 11 and seal groove 9 laminate tighter, make the effect of preventing leaking better, when pressure is too big, also can play the effect of buffering to pressure through spring 18, feed back pressure on last high temperature resistant sealing washer 8 and lower high temperature resistant sealing washer 11 and bottom plate 19 simultaneously, prevent to go up mould 7 and lower mould 12 because of the too big precision that leads to of pressure receives the influence, make the life extension of going up mould 7 and lower mould 12.
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 scope of the invention.
Claims (8)
1. The utility model provides a safe injection mold who prevents leaking, includes upper die base (6), its characterized in that: the equal sliding connection in four corners of upper die base (6) has guide post (3), upper die base (6) middle part is provided with the mouth of moulding plastics (5), the equal fixedly connected with electric putter (4) in middle part both sides of upper die base (6), two the equal fixedly connected with ejector pin (10) of output of electric putter (4), two the outside sliding connection of ejector pin (10) is in the inside of last mould (7), go up high temperature resistant sealing washer (8) on the top fixedly connected with in the mould (7) outside, the bottom of going up high temperature resistant sealing washer (8) is provided with seal groove (9), the top surface of going up mould (7) with the equal fixedly connected with in top surface of going up high temperature resistant sealing washer (8) is in the bottom surface of upper die base (6), be provided with lower mould (12) under going up mould (7), high temperature resistant sealing washer (11) under the top fixedly connected with of lower mould (12), the bottom of lower mould (12) is provided with cooling tube (16), the one end fixedly connected with water inlet (14) of cooling tube (16), the other end pipeline of cooling tube (16) is connected with delivery port (15), the bottom surface (13) of lower mould (12) is connected with lower die base (13).
2. A safe and leak-proof injection mold as defined in claim 1, wherein: four the top of guide post (3) is fixed connection respectively in the bottom surface four corners of roof (1), four the bottom of guide post (3) is fixed connection respectively in the top surface four corners of bottom plate (19), the equal fixedly connected with electric hydraulic pump (2) in bottom surface middle part both sides of roof (1), two the output of electric hydraulic pump (2) is fixed connection respectively in the top surface middle part both sides of upper die base (6), the outside sliding connection of going up mould (7) is at the inner wall of lower mould (12).
3. A safe, leak-proof injection mold, as defined in claim 1, wherein: four corners of the upper die base (6) are provided with first through holes, and the outer sides of the four guide columns (3) are respectively connected into the four first through holes in a sliding mode.
4. A safe and leak-proof injection mold as defined in claim 1, wherein: second through holes are formed in two sides of the middle of the upper die base (6), and the two electric push rods (4) are fixedly connected into the two second through holes respectively.
5. A safe and leak-proof injection mold as defined in claim 1, wherein: and third through holes are formed in two sides of the middle of the upper die (7), and the outer sides of the two ejector rods (10) are respectively connected into the two third through holes in a sliding manner.
6. A safe and leak-proof injection mold as defined in claim 1, wherein: the middle part of going up mould (7) is provided with the fourth through-hole, the fourth through-hole link up each other with mouth (5) of moulding plastics.
7. A safe, leak-proof injection mold, as defined in claim 2, wherein: four corners of the bottom plate (19) are provided with first grooves, and guide rods (17) are connected inside the four first grooves in a sliding mode.
8. A safe, leak-proof injection mold, as defined in claim 7, wherein: the four guide rods (17) are fixedly connected to four corners of the bottom surface of the lower die base (13) respectively, springs (18) are connected to the outer sides of the four guide rods (17) in a sliding mode, and the springs (18) are arranged between the bottom surface of the lower die base (13) and the top surface of the bottom plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221668978.1U CN217704473U (en) | 2022-06-29 | 2022-06-29 | Safe and leak-proof injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221668978.1U CN217704473U (en) | 2022-06-29 | 2022-06-29 | Safe and leak-proof injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217704473U true CN217704473U (en) | 2022-11-01 |
Family
ID=83775261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221668978.1U Active CN217704473U (en) | 2022-06-29 | 2022-06-29 | Safe and leak-proof injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217704473U (en) |
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2022
- 2022-06-29 CN CN202221668978.1U patent/CN217704473U/en active Active
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