CN219634380U - Injection mold with novel cooling device - Google Patents
Injection mold with novel cooling device Download PDFInfo
- Publication number
- CN219634380U CN219634380U CN202320307826.7U CN202320307826U CN219634380U CN 219634380 U CN219634380 U CN 219634380U CN 202320307826 U CN202320307826 U CN 202320307826U CN 219634380 U CN219634380 U CN 219634380U
- Authority
- CN
- China
- Prior art keywords
- mold
- water cooling
- cooling module
- static
- injection molding
- 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.)
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- 238000001816 cooling Methods 0.000 title claims abstract description 86
- 238000002347 injection Methods 0.000 title claims abstract description 14
- 239000007924 injection Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 230000003068 static effect Effects 0.000 claims abstract description 51
- 238000001746 injection moulding Methods 0.000 claims abstract description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005461 lubrication 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
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to an injection mold with a novel cooling device. The injection molding machine comprises an injection molding head and a mold clamping device, wherein the mold clamping device comprises a static mold, a movable mold and a guide rod, the guide rod is arranged to penetrate through the static mold, a positioning plate is fixed on one side of the guide rod, which is close to the injection molding head, a water cooling module is sleeved on the guide rod between the positioning plate and the static mold in a sliding manner, and a feeding device for controlling the water cooling module to slide back and forth along the guide rod is arranged on the positioning plate. After injection molding is finished, the feeding device controls the water cooling module to be attached to the static mold, and at the moment, the water cooling module can cool the static mold; and after the injection molding piece is completely solidified, the feeding device controls the water cooling module to be separated from the static mold, so that the static mold can instantly lose the cooling effect, thereby being beneficial to precisely controlling the waiting interval between two injection molding and ensuring that the static mold returns to the required temperature within the limited time. And the static mold can be replaced at will, and the static mold does not need to be processed with a runner, thereby being beneficial to improving the production efficiency of the mold and reducing the production cost.
Description
Technical Field
The utility model relates to an injection molding device, in particular to an injection mold with a novel cooling device.
Background
The injection molding machine consists of an injection system, a mold closing system, a hydraulic transmission system, an electric control system, a lubrication system, a heating and cooling system and the like, and the working principle is that plastic in a plasticized molten state (namely viscous state) is injected into a closed mold cavity by means of the thrust of a screw rod, and the technical process of a product is obtained after solidification and shaping. After the plastic is injected into the closed die cavity, the plastic is kept for a certain time and pressure (also called pressure maintaining) and cooled to be solidified and molded, and then the die is opened to take out the product. This cooling process is extremely important, both the rate of cooling and the time of cooling can affect the shaping of the final product.
At present, a cooling device generally comprises a cold water circulation system and a water cooling flow passage, wherein the water cooling flow passage is integrally arranged with a die (generally a static die of the die), namely a passage capable of circulating water is dug on the die through a rotary hole or other processes. The cooling device has high cooling efficiency, but because the water cooling flow channel is integrated with the die, when the plastic part is cooled, even if the cold water circulation system stops water circulation, the water left in the water cooling flow channel can still absorb some heat. Therefore, the mold is possibly supercooled, the temperature is difficult to return to a sufficient temperature before the next injection molding, the cooling speed of the plastic melt in the runner is too high, the flow resistance is increased, the flow speed is slowed down, and even the subsequent feeding is blocked by solidification in the mold filling, so that the defects of plastic part material shortage, sinking, welding seams and the like are caused.
Disclosure of Invention
The utility model provides an injection mold with a novel cooling device; the problem that the cooling effect of the cooling device on the die cannot be stopped in time in the prior art is solved.
The technical problems of the utility model are mainly solved by the following technical proposal: the utility model provides an injection mold that possesses novel heat sink, includes injection molding head and closing die set, closing die set includes quiet mould, movable mould and guide arm, injection molding head with quiet mould relatively fixed, quiet mould is relative the guide arm is fixed, just the guide arm is for running through quiet mould setting, be close to on the guide arm injection molding head one side is fixed with the locating plate, the locating plate with slip cap is equipped with water cooling module on the guide arm between the quiet mould, the water cooling module is external to have water cooling system, be equipped with the control on the locating plate water cooling module is followed gliding feeding device around the guide arm needs the interval to set up between water cooling module and the injection molding head. According to the utility model, the water cooling module and the static mold are arranged in a split way, and the relative position relationship between the water cooling module and the static mold is controlled through the feeding device. After injection molding is finished, the feeding device controls the water cooling module to be attached to the static mold, and at the moment, the water cooling module can cool the static mold; and after the injection molding piece is completely solidified, the feeding device controls the water cooling module to be separated from the static mold, so that the static mold can instantly lose the cooling effect, thereby being beneficial to precisely controlling the waiting interval between two injection molding and ensuring that the static mold returns to the required temperature within the limited time. In addition, in the injection molding process, the water cooling system can cool the water cooling module in advance. The static mold can be replaced at will, and the static mold does not need to be processed with a runner, thereby being beneficial to improving the production efficiency of the mold and reducing the production cost.
Further, a heat conducting block is attached to one side, close to the water cooling module, of the static mold. The heat conducting block is used for installing and positioning the static mold, the heat conducting block is fixedly connected with the guide rod, and the static mold is sleeved on the guide rod and can be assembled with the heat conducting block in a detachable mode.
Further, a heat-conducting silica gel is arranged between the heat-conducting block and the static mold, and one side, close to the heat-conducting block, of the water-cooling module is also attached with the heat-conducting silica gel. The heat-conducting silica gel has the functions of ensuring good contact between two hard parts, increasing the contact area and improving the heat-conducting efficiency; meanwhile, the heat-conducting silica gel also has a certain buffering and damping effect.
Furthermore, a waterway is arranged in the water cooling module, the water cooling system comprises a water pump and a heat exchanger, and an input pipe and an output pipe are connected between the heat exchanger and the waterway. The heat exchanger can cool the hot water generated in the water cooling system again, and the surplus heat is taken away by the heat exchanger.
Therefore, compared with the prior art, the utility model has the following characteristics: 1. according to the utility model, the water cooling module and the static mold are split, the relative position relation between the water cooling module and the static mold is controlled through the feeding device, and after the water cooling module and the static mold are separated, the static mold can lose the cooling effect instantly, so that the waiting interval between two injection molding processes can be controlled accurately, and the static mold is ensured to return to the required temperature within the limited time; 2. the static mold can be replaced at will, and the static mold does not need to be processed with a runner, thereby being beneficial to improving the production efficiency of the mold and reducing the production cost.
Drawings
FIG. 1 is a schematic illustration of a construction of the present utility model;
fig. 2 is a schematic diagram of a water cooling module and a water cooling system.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1: see fig. 1 and 2, an injection mold with novel heat sink, including injection molding head 10 and closing die device, closing die device includes stationary mold 20, movable mold 30 and four piece at least guide arms 40, injection molding head and stationary mold are fixed relatively, injection molding head is just right with runner mouth on the stationary mold, stationary mold is fixed relative guide arm, and the guide arm is for running through stationary mold setting, be close to injection molding head one side on the guide arm and be fixed with locating plate 50, locating plate and injection molding machine fixed fit, the cover is equipped with water cooling module 60 on the guide arm between locating plate and the stationary mold, the external water cooling system 70 that has of water cooling module, be equipped with the feed arrangement 80 that control water cooling module slided around the guide arm on the locating plate, the through-hole 61 that the external diameter is greater than the injection molding head has been seted up at the water cooling module middle part. In the embodiment, the water cooling module and the static mold are arranged in a split mode, and the relative position relation between the water cooling module and the static mold is controlled through the feeding device. After injection molding is finished, the feeding device controls the water cooling module to be attached to the static mold, and at the moment, the water cooling module can cool the static mold; and after the injection molding piece is completely solidified, the feeding device controls the water cooling module to be separated from the static mold, so that the static mold can instantly lose the cooling effect, thereby being beneficial to precisely controlling the waiting interval between two injection molding and ensuring that the static mold returns to the required temperature within the limited time. In addition, in the injection molding process, the water cooling system can cool the water cooling module in advance. In addition, the static mold in the embodiment can be replaced at will, and the static mold does not need to be processed with a runner, so that the production efficiency of the mold is improved, and the production cost is reduced.
Referring to fig. 1, a heat conducting block 90 is attached to one side of the static mold close to the water cooling module, and a plurality of countersunk head screws 91 are screwed between the heat conducting block 90 and the static mold. The heat conducting block is used for installing and positioning the static mold, the stud 92 is screwed between the heat conducting block and the guide rod, so that the heat conducting block and the guide rod form fixed connection, and the static mold is sleeved on the guide rod and can be detachably assembled with the heat conducting block.
See fig. 1, a heat-conducting silica gel 100 is arranged between the heat-conducting block and the static mold, and the heat-conducting silica gel is attached to one side of the water-cooling module, which is close to the heat-conducting block, and the thickness of the heat-conducting silica gel is between 1 and 3 millimeters. The heat-conducting silica gel has the functions of ensuring good contact between two hard parts, increasing the contact area and improving the heat-conducting efficiency; meanwhile, the heat-conducting silica gel also has a certain buffering and damping effect.
Referring to fig. 1, the feeding device is a linear cylinder, the cylinder body of the linear cylinder is fixed on the positioning plate, the push rod of the linear cylinder is fixedly connected with the water cooling module, and a limiting block 81 which can be abutted with the water cooling module is arranged on the positioning plate. When the push rod extends outwards, the water cooling module is pushed to be abutted against the heat conducting block, and when the push rod retracts outwards, the water cooling module is pulled to be separated from the heat conducting block until the water cooling module is abutted against the limiting block.
Referring to fig. 2, a water channel 62 is arranged in the water cooling module, the water cooling system comprises a water pump 71 and a heat exchanger 72, and an input pipe 73 and an output pipe 74 are connected between the heat exchanger and the water channel. The heat exchanger can cool the hot water generated in the water cooling system again, and the surplus heat is taken away by the heat exchanger.
It will be obvious to those skilled in the art that the present utility model may be varied in a number of ways without departing from the scope of the utility model. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claims.
Claims (6)
1. The utility model provides an injection mold that possesses novel heat sink, includes injection molding head and closing die device, closing die device includes quiet mould, movable mould and guide arm, injection molding head with quiet mould relatively fixed, its characterized in that: the static mold is fixed relative to the guide rod, the guide rod penetrates through the static mold, a positioning plate is fixed on one side of the guide rod, which is close to the injection molding head, a water cooling module is sleeved on the guide rod between the positioning plate and the static mold in a sliding manner, a water cooling system is externally connected with the water cooling module, and a feeding device for controlling the water cooling module to slide back and forth along the guide rod is arranged on the positioning plate.
2. The injection mold with a novel cooling device according to claim 1, wherein: and a heat conducting block is attached to one side of the static mold, which is close to the water cooling module.
3. The injection mold with a novel cooling device according to claim 2, wherein: and heat conduction silica gel is arranged between the heat conduction block and the static mold, and one side, close to the heat conduction block, of the water cooling module is also attached with the heat conduction silica gel.
4. The injection mold with a novel cooling device according to claim 1, wherein: the feeding device is a linear cylinder, the cylinder body of the linear cylinder is fixed on the positioning plate, the push rod of the linear cylinder is fixedly connected with the water cooling module, and meanwhile, the positioning plate is provided with a limiting block which can be abutted with the water cooling module.
5. The injection mold with a novel cooling device according to claim 3, wherein: and a plurality of countersunk head screws are fixedly connected between the static die and the heat conducting block.
6. The injection mold with a novel cooling device according to claim 1, wherein: the water cooling system comprises a water pump and a heat exchanger, and an input pipe and an output pipe are connected between the heat exchanger and the water channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320307826.7U CN219634380U (en) | 2023-02-23 | 2023-02-23 | Injection mold with novel cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320307826.7U CN219634380U (en) | 2023-02-23 | 2023-02-23 | Injection mold with novel cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219634380U true CN219634380U (en) | 2023-09-05 |
Family
ID=87808931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320307826.7U Active CN219634380U (en) | 2023-02-23 | 2023-02-23 | Injection mold with novel cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219634380U (en) |
-
2023
- 2023-02-23 CN CN202320307826.7U patent/CN219634380U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |