CN118107122A - Injection mold for automobile bumper - Google Patents
Injection mold for automobile bumper Download PDFInfo
- Publication number
- CN118107122A CN118107122A CN202410386800.5A CN202410386800A CN118107122A CN 118107122 A CN118107122 A CN 118107122A CN 202410386800 A CN202410386800 A CN 202410386800A CN 118107122 A CN118107122 A CN 118107122A
- Authority
- CN
- China
- Prior art keywords
- cooling
- liquid
- level sensor
- cavity
- injection mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 17
- 239000007924 injection Substances 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 220
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 239000000110 cooling liquid Substances 0.000 claims abstract description 44
- 239000002826 coolant Substances 0.000 claims abstract description 39
- 238000000605 extraction Methods 0.000 claims description 24
- 230000008602 contraction Effects 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 11
- 239000002994 raw material Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
- B29C45/26—Moulds
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3044—Bumpers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of dies, in particular to an injection die for an automobile bumper, which comprises a main body, wherein an upper die and a lower die are arranged on the main body, the upper die and the lower die are used for forming a cavity, and a driving piece for driving the upper die to be combined with the lower die is also arranged on the main body, and the injection die is characterized in that: the downside of lower mould is provided with the cooling plate, and the cooling plate is provided with the cooling runner that is used for injecting into the coolant liquid in the cooling plate butt, and the cooling runner end to end, cooling runner set up in the one side that is close to the lower mould, are provided with circulating pump and cooling piece in the cooling runner, and the circulating pump is used for driving the coolant liquid circulation in the cooling runner, and the cooling piece is then used for reducing the temperature of coolant liquid. The cooling liquid can constantly exchange heat with the lower mould, and the temperature of cooling liquid is reduced through the cooling piece simultaneously for the lower mould can be with heat transfer to the cooling plate on, and the cooling plate then cools down through the cooling liquid in the cooling runner again, reduces the unable absorption product heat of lower mould and influences production efficiency's condition.
Description
Technical Field
The invention relates to the technical field of molds, in particular to an injection mold for an automobile bumper.
Background
In the production process of plastic products, a cavity corresponding to the shape of the product is formed after the corresponding upper die and lower die are pressed together, then injection molding raw materials are injected into the cavity to form the shape of the corresponding product, after the injection molding raw materials form the shape of the corresponding product in the cavity, the product can be molded after the product is cooled, and then the product can be demoulded to finish production.
The automobile bumper injection mold under the prior art usually waits for the product after the injection molding to cool down naturally, so after the injection molding, the product needs to be produced after waiting for a period of time, but because the heat can be transmitted from the product to the mold, and then when the product is produced immediately, the mold is difficult to absorb the heat of the product again due to the fact that the mold absorbs the heat before, the temperature is similar to that of the product, the injection molding is performed again at the moment, the cooling time of the product can be further prolonged, and therefore the production efficiency is reduced.
Disclosure of Invention
In order to solve the problems that heat of a product cannot be dissipated when injection molding is performed after heat absorption of a lower die in the prior art, the heat of the product is difficult to be absorbed again by the die, the cooling time of the product is further prolonged, and accordingly production efficiency is reduced, the application provides an injection die for an automobile bumper.
The utility model provides an automobile bumper injection mold, includes the main part, be provided with mould and lower mould in the main part, go up mould and lower mould and be used for forming the die cavity, still be provided with the driving piece that is used for driving mould and lower mould to close in the main part, its characterized in that: the cooling device is characterized in that a cooling plate is arranged on the lower side of the lower die and is in butt joint with the lower die, a cooling flow passage for injecting cooling liquid is formed in the cooling plate, the cooling flow passages are connected end to end, the cooling flow passage is arranged on one side close to the lower die, a circulating pump and a cooling piece are arranged in the cooling flow passage, the circulating pump is used for driving the cooling liquid in the cooling flow passage to circulate, and the cooling piece is used for reducing the temperature of the cooling liquid.
Through adopting above-mentioned technical scheme, set up the cooling plate in the downside of lower mould, and set up the cooling runner that corresponds in the cooling plate, circulate through the coolant liquid in the circulating pump drive cooling runner, the coolant liquid can constantly exchange heat with the lower mould heat at the circulation in-process, still reduce the temperature of coolant liquid through the cooling piece simultaneously, make the lower mould can with heat transfer to the cooling plate on, the cooling plate then cools down through the coolant liquid in the cooling runner again, thereby make the lower mould can reduce to required temperature, reduce the unable absorption product heat of lower mould and influence the condition of production efficiency.
Optionally, still be provided with the cooling chamber in the cooling plate, the both ends in cooling chamber all communicate with the cooling runner, cooling member has been laid to the cooling intracavity, the one end in cooling chamber is used for letting in the coolant liquid, the other end in cooling chamber is then used for discharging the coolant liquid.
Through adopting above-mentioned technical scheme, set up the cooling chamber in the cooling plate, the coolant liquid in the cooling runner can let in the cooling intracavity, improve area of contact, and cool down through the cooling piece of laying, further improve the cooling effect, can further reduce the temperature of coolant liquid this moment, make the coolant liquid can last to reduce the temperature of cooling plate, when making follow-up carrying out moulding plastics, the coolant liquid all can be in lower temperature, further improve the cooling effect to the lower mould, improve the cooling effect to the lower mould in order to reduce waiting for the time of lower mould natural cooling, improve production efficiency.
Optionally, one end that the cooling chamber is used for letting in the coolant liquid is provided with the check valve, the check valve is used for stopping the liquid backward flow in the cooling chamber to the cooling runner, the one end that the cooling chamber is used for discharging the coolant liquid then is provided with the pump, one side that the pump is close to the cooling chamber is used for intaking, one side that the pump is close to the cooling runner is used for the play water.
Through adopting above-mentioned technical scheme, set up the check valve in one side of cooling chamber, reduce coolant liquid from cooling intracavity refluence and influence the circumstances of cooling liquid circulation in the cooling runner, and set up the pump then can let in the cooling runner again with the coolant liquid after cooling in the cooling chamber in, the coolant liquid after the cooling reenter cooling runner, can further improve the cooling effect of coolant liquid to the lower mould in the cooling runner, further improve production efficiency.
Optionally, the cooling runner is provided with many, each cooling runner is not mutually communicated, the cooling chamber corresponds each cooling runner and all is provided with check valve and pump, the cooling runner is with the cooling panel shop.
Through adopting above-mentioned technical scheme, set up many cooling runners that are not continuous each other, the cooling runner can cool down to the lower mould of corresponding position respectively, reduces the regional overheated coolant temperature that leads to in the cooling runner and rises and lead to holistic radiating effect to reduce, and regional cooling to the lower mould to further improve the cooling effect to the lower mould, and set up many cooling runners, can cover the position of more lower moulds, thereby further improve the radiating cooling effect to the lower mould.
Optionally, still be provided with thimble and driving piece on the cooling plate, thimble swing joint just is used for stretching into the lower mould in jack-up product on the cooling plate, driving piece then is used for driving the thimble motion.
Through adopting above-mentioned technical scheme, set up thimble and driving piece, can jack up to the mould in the cooling plate through the top, can be in the product cooling solidification back with ejecting from the lower mould under the assistance of thimble to improve the efficiency of drawing of patterns, further improve production efficiency.
Optionally, a thermal expansion and contraction part is arranged at one side of the cooling flow passage close to the one-way valve, and the thermal expansion and contraction part is used for shielding a passage between the one-way valve and the cooling flow passage.
Through adopting above-mentioned technical scheme, expend with heat and contract with cold spare can expand when the coolant liquid intensifies, because expend with heat and contract with cold spare and coolant liquid contact, consequently, when expend with heat and contract with cold spare is heated, alright judge that the coolant liquid is in higher temperature, lower mould is also in higher temperature this moment, expend with heat and contract with cold spare shelter from the coolant liquid this moment, reduce coolant liquid inflow cooling intracavity and appear cooling flow channel interior coolant liquid vacancy and reduce the condition of radiating effect, and after the coolant liquid temperature reduces, can regard as the lower mould temperature to have reduced, the product has also accomplished the solidification this moment, can carry out the drawing of patterns action this moment, expend with heat and contract with cold spare opens again, can let in the coolant liquid in the cooling chamber and further cool down, thereby make the coolant liquid can be in lower temperature when moulding plastics afterwards.
Optionally, be provided with level sensor in the cooling chamber, level sensor includes drive level sensor, drive level sensor sets up in the top and all just can trigger after the coolant liquid in the cooling runner lets in, drive level sensor is connected and is used for controlling the driving piece work with the driving piece electricity of thimble.
Through adopting above-mentioned technical scheme, set up drive liquid level sensor at the top of cooling chamber, when all cooling fluid in the cooling runner all reduce to the temperature that can let in the cooling intracavity, the cooling fluid just can trigger drive liquid level sensor, and the lower mould has accomplished the cooling completely this moment, can judge that the product has also solidified the shaping completely this moment, and the thimble is driven this moment, deviate from the product, and the temperature of lower mould also is fit for carrying out the next time very much to mould plastics.
Optionally, the liquid level sensor still includes extraction liquid level sensor, extraction liquid level sensor all sets up in drive liquid level sensor's downside, extraction liquid level sensor is provided with a plurality of and sets up along the equidistant interval of the vertical direction in cooling chamber, extraction liquid level sensor is connected with the extraction pump electricity and is used for triggering the control extraction pump work.
Through adopting above-mentioned technical scheme, still set up extraction level sensor, coolant liquid in the cooling runner is when preliminary heat transfer, coolant liquid can not heat up to the temperature that triggers the piece that moves with heat and contract with cold, coolant liquid still can enter into the cooling chamber this moment, extraction level sensor in the cooling chamber triggers this moment, then can re-extract coolant liquid in each cooling runner, when the coolant liquid in all cooling runners all intensifies to can trigger the piece that expands with heat and contract with cold, the remaining part coolant liquid in the cooling chamber then can continue to flow in the middle of the cooling runner that is not fully filled through the pump, reduce the condition that the coolant liquid remains in the cooling chamber, improve the utilization ratio of coolant liquid.
In summary, the application has at least the following advantages:
1. The application solves the problems that the heat of a product cannot be dissipated when the lower die absorbs heat and then performs injection molding in the prior art, the die is difficult to absorb the heat of the product again, the injection molding is performed at the moment, the cooling time of the product is further prolonged, and the production efficiency is reduced.
2. According to the application, the cooling cavity is arranged to further cool the cooling liquid, and the expansion and contraction piece is used to limit the circulation of the cooling liquid, so that the condition that no cooling liquid flows in the cooling flow channel to influence heat dissipation and cooling is reduced, and the cooling effect is further improved.
Drawings
Fig. 1 is a perspective view of the present embodiment.
Fig. 2 is a sectional view of the cooling plate in the present embodiment.
Fig. 3 is a sectional view of the cooling plate in the present embodiment.
Reference numerals illustrate:
1. a main body; 11. an upper die; 12. a lower die;
2. a cooling plate; 21. a cooling flow passage; 211. a heat expansion and cold contraction member; 212. a circulation pump; 213. a cooling member; 22. a cooling chamber; 221. a one-way valve; 222. a pump; 223. driving a liquid level sensor; 224. extracting a liquid level sensor; 23. a thimble;
3. A driving member.
Detailed Description
The application will be further described in detail by means of specific examples in connection with the accompanying drawings.
An automobile bumper injection mold is shown in fig. 1 and 2, and comprises a main body 1, wherein an upper mold 11 and a lower mold 12 are arranged on the main body 1, the upper mold 11 and the lower mold 12 are used for forming a cavity, and a driving piece 3 used for driving the upper mold 11 and the lower mold 12 to be pressed together is further arranged on the main body 1. In specific implementation, the driving piece 3 comprises an oil cylinder or an air cylinder, the driving piece 3 is fixedly arranged on the main body 1, and a piston rod of the driving piece 3 is fixedly connected with the upper die 11, so that the upper die 11 is pushed to press the lower die 12 to form a cavity. In other embodiments, the lower die 12 may be pushed by the driving member 3 toward the upper die 11 to form a cavity.
As shown in fig. 1 and 2, a cooling plate 2 is disposed at the lower side of the lower die 12, the cooling plate 2 is abutted against the lower die 12, a cooling runner 21 for injecting cooling liquid is formed in the cooling plate 2, and the cooling runners 21 are connected end to end. The cooling runner 21 is disposed at a side close to the lower die 12, a circulation pump 212 and a cooling member 213 are disposed in the cooling runner 21, the circulation pump 212 is used for driving the cooling liquid in the cooling runner 21 to circulate, and the cooling member 213 is used for reducing the temperature of the cooling liquid. In particular, the cooling liquid includes oil and water, the cooling effect of oil is better, the cost of water is lower, the cooling member 213 includes blue ice cube, and the blue ice cube can be dismantled and connect with in the cooling runner 21, and the blue ice cube does not influence the flow of the cooling liquid in the cooling runner 21, when needs to carry out the injection molding, need to lift down the blue ice cube and cool down the back and put into again.
As shown in fig. 2 and 3, a cooling cavity 22 is further provided in the cooling plate 2, both ends of the cooling cavity 22 are communicated with the cooling flow channel 21, a cooling member 213 is laid in the cooling cavity 22, one end of the cooling cavity 22 is used for introducing cooling liquid, and the other end of the cooling cavity 22 is used for discharging the cooling liquid. In particular, one end of the cooling chamber 22 for introducing the cooling liquid is provided with a one-way valve 221, and the one-way valve 221 is used for blocking the liquid in the cooling chamber 22 from flowing back to the cooling flow channel 21. One end of the cooling chamber 22 for discharging cooling liquid is provided with a pump 222, one side of the pump 222 close to the cooling chamber 22 is used for water inlet, one side of the pump 222 close to the cooling flow channel 21 is used for water outlet, cooling liquid enters the cooling chamber 22 from one side of the one-way valve 221, cooling liquid is discharged from the pump 222 and is circulated into the cooling flow channel 21 again, the cooling piece 213 in the cooling chamber 22 comprises a blue ice plate, and the blue ice plate is filled with blue ice, so that large-area cooling of the cooling chamber 22 is realized.
As shown in fig. 2 and 3, a plurality of cooling flow passages 21 are provided, the cooling flow passages 21 are not communicated with each other, a check valve 221 and a pump 222 are provided in the cooling chamber 22 corresponding to each cooling flow passage 21, and the cooling flow passages 21 are filled with the cooling plate 2. In specific implementation, the cooling runner 21 is fully paved with the cooling runner 21, and different positions of the lower die 12 can be corresponding, so that the lower die 12 is cooled. In other embodiments, the cooling plate 2 may be further provided with a heat conducting block corresponding to the cooling runner 21, and the heat conducting block can conduct heat of the lower die 12 to the cooling plate 2.
As shown in fig. 2 and 3, the cooling plate 2 is further provided with a thimble 23 and a driving member 3, the thimble 23 is movably connected to the cooling plate 2 and is used for extending into the lower die 12 to jack up a product, and the driving member 3 is used for driving the thimble 23 to move. In specific implementation, the driving piece 3 of the ejector pin 23 comprises an oil cylinder and an air cylinder, and the ejector pin 23 can eject a product in the lower die 12 to assist in demolding of the product.
As shown in fig. 2 and 3, the cooling flow passage 21 is provided with an expansion and contraction member 211 at a side thereof close to the check valve 221, the expansion and contraction member 211 serving to block a passage between the check valve 221 and the cooling flow passage 21. The cooling cavity 22 is internally provided with a liquid level sensor, the liquid level sensor comprises a driving liquid level sensor 223, the driving liquid level sensor 223 is arranged at the top, and the driving liquid level sensor 223 is electrically connected with the driving piece 3 of the thimble 23 and is used for controlling the driving piece 3 to work when triggered. In particular, when the expansion and contraction member 211 is heated, it can be determined that the cooling liquid is at a higher temperature, at this time, the lower mold 12 is also at a higher temperature, at this time, the expansion and contraction member 211 shields the cooling liquid, so that the cooling liquid flows into the cooling cavity 22 to reduce the cooling liquid gap in the cooling channel 21 and reduce the heat dissipation effect, and when the cooling liquid temperature is reduced, it can be regarded that the temperatures of the lower mold 12 and the product have been reduced, at this time, the demolding operation can be performed, the expansion and contraction member 211 is heated and opened, so that the cooling liquid can be introduced into the cooling cavity 22 to further cool down, so that the cooling liquid can be at a lower temperature when the injection molding is performed subsequently, and as all the cooling liquid in the cooling channels 21 enters the cooling cavity 22, the cooling liquid can trigger and drive the liquid level sensor 223, so as to start the driving member 3, thereby enabling the ejector pins 23 to release the product.
As shown in fig. 2 and 3, the liquid level sensor further includes an extraction liquid level sensor 224, the extraction liquid level sensor 224 is disposed at the lower side of the driving liquid level sensor 223, the extraction liquid level sensor 224 is disposed in a plurality of positions and is disposed at equal intervals along the vertical direction of the cooling cavity 22, and the extraction liquid level sensor 224 is electrically connected to the extraction pump 222 and is used for controlling the operation of the extraction pump 222 when triggered. In particular, during implementation, the three extraction level sensors 224 are disposed at the bottom of the cooling cavity 22, when the cooling liquid in the cooling channels 21 is subjected to preliminary heat exchange, the cooling liquid cannot be heated up to the temperature for triggering the heat expansion and cold contraction member, at this time, the cooling liquid still can enter the cooling cavity 22, at this time, the extraction level sensors 224 in the cooling cavity 22 trigger, so that the cooling liquid can be re-extracted into each cooling channel 21, and when the cooling liquid in all the cooling channels 21 is heated up to the temperature for triggering the heat expansion and cold contraction member 211, the residual part of the cooling liquid in the cooling cavity 22 can continue to flow into the unfilled cooling channels 21 through the extraction pump 222.
Working principle: before injection molding, the cooling piece 213 needs to be cooled and installed, meanwhile, cooling liquid is injected, the upper die 11 and the lower die 12 are pressed together to form a cavity in the injection molding process, then injection molding raw materials are injected, in the solidification process of the injection molding raw materials, the injection molding raw materials can release heat, and the lower die 12 absorbs the heat and then is cooled through the cooling plate 2, so that the lower die 12 can be at a lower temperature in the subsequent injection molding process.
The above is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. The utility model provides an automobile bumper injection mold, includes main part (1), be provided with on main part (1) mould (11) and lower mould (12), go up mould (11) and lower mould (12) and be used for forming the die cavity, still be provided with on main part (1) and be used for driving piece (3) of mould (11) and lower mould (12) pressfitting, its characterized in that: the cooling device is characterized in that a cooling plate (2) is arranged on the lower side of the lower die (12), the cooling plate (2) is in butt joint with the lower die (12), a cooling flow passage (21) for injecting cooling liquid is formed in the cooling plate (2), the cooling flow passages (21) are connected end to end, the cooling flow passage (21) is arranged on one side close to the lower die (12), a circulating pump (212) and a cooling piece (213) are arranged in the cooling flow passage (21), the circulating pump (212) is used for driving the cooling liquid in the cooling flow passage (21) to circulate, and the cooling piece (213) is used for reducing the temperature of the cooling liquid.
2. The automobile bumper injection mold of claim 1, wherein: the cooling plate (2) is internally provided with a cooling cavity (22), two ends of the cooling cavity (22) are communicated with the cooling flow channel (21), a cooling piece (213) is paved in the cooling cavity (22), one end of the cooling cavity (22) is used for introducing cooling liquid, and the other end of the cooling cavity (22) is used for discharging the cooling liquid.
3. The automobile bumper injection mold of claim 2, wherein: one end of the cooling cavity (22) for introducing cooling liquid is provided with a one-way valve (221), the one-way valve (221) is used for blocking liquid in the cooling cavity (22) from flowing back to the cooling flow channel (21), one end of the cooling cavity (22) for discharging the cooling liquid is provided with a pumping pump (222), one side of the pumping pump (222) close to the cooling cavity (22) is used for water inflow, and one side of the pumping pump (222) close to the cooling flow channel (21) is used for water outflow.
4. An injection mold for an automobile bumper according to claim 3, wherein: the cooling flow channels (21) are provided with a plurality of cooling flow channels (21) which are not communicated with each other, the cooling cavity (22) is provided with one-way valves (221) and a pumping pump (222) corresponding to the cooling flow channels (21), and the cooling flow channels (21) are fully paved with the cooling plates (2).
5. The injection mold for an automobile bumper of claim 4, wherein: the cooling plate (2) is further provided with a thimble (23) and a driving piece (3), the thimble (23) is movably connected to the cooling plate (2) and used for extending into the lower die (12) to jack up a product, and the driving piece (3) is used for driving the thimble (23) to move.
6. The injection mold of an automobile bumper according to claim 5, wherein: a thermal expansion and contraction member (211) is arranged at one side of the cooling flow passage (21) close to the one-way valve (221), and the thermal expansion and contraction member (211) is used for shielding a passage between the one-way valve (221) and the cooling flow passage (21).
7. The injection mold of an automobile bumper of claim 6, wherein: be provided with level sensor in cooling chamber (22), level sensor includes drive level sensor (223), drive level sensor (223) set up in the top and all just can trigger after the coolant liquid in cooling runner (21) lets in, drive level sensor (223) are connected with driver (3) electricity of thimble (23) and are used for controlling driver (3) work when triggering.
8. The injection mold of an automobile bumper of claim 7, wherein: the liquid level sensor further comprises an extraction liquid level sensor (224), the extraction liquid level sensor (224) is arranged on the lower side of the driving liquid level sensor (223), the extraction liquid level sensor (224) is provided with a plurality of extraction liquid level sensors and is arranged at intervals along the vertical direction of the cooling cavity (22), and the extraction liquid level sensor (224) is electrically connected with the extraction pump (222) and is used for controlling the operation of the extraction pump (222) when triggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410386800.5A CN118107122A (en) | 2024-04-01 | 2024-04-01 | Injection mold for automobile bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410386800.5A CN118107122A (en) | 2024-04-01 | 2024-04-01 | Injection mold for automobile bumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118107122A true CN118107122A (en) | 2024-05-31 |
Family
ID=91214202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410386800.5A Pending CN118107122A (en) | 2024-04-01 | 2024-04-01 | Injection mold for automobile bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118107122A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119526717A (en) * | 2024-11-15 | 2025-02-28 | 青岛华涛汽车模具有限公司 | Bumper injection molding device and process |
-
2024
- 2024-04-01 CN CN202410386800.5A patent/CN118107122A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119526717A (en) * | 2024-11-15 | 2025-02-28 | 青岛华涛汽车模具有限公司 | Bumper injection molding device and process |
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