CN111645282A - Static mould pre-core-pulling mould structure - Google Patents
Static mould pre-core-pulling mould structure Download PDFInfo
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- CN111645282A CN111645282A CN202010603436.5A CN202010603436A CN111645282A CN 111645282 A CN111645282 A CN 111645282A CN 202010603436 A CN202010603436 A CN 202010603436A CN 111645282 A CN111645282 A CN 111645282A
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- core
- mold
- static
- hole forming
- mould
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- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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- 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
- B29C45/2602—Mould construction elements
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- 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
- B29L2031/3005—Body finishings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a static mould pre-pulling core mould structure which comprises a movable mould plate, a static mould plate, a movable mould core arranged on the movable mould plate and a static mould core arranged on the static mould plate and opposite to the movable mould core, wherein a power device is also arranged on the static mould plate, a first hole forming mould core is fixed on the movable mould core, a movable second hole forming mould core is arranged on the static mould core, and one end, far away from the movable mould core, of the second hole forming mould core is linked with the power device. The static mold pre-core-pulling mold structure disclosed by the invention can reduce the demolding difficulty of products with similar structures, such as a cylinder starter hole cover plate and the like, so that the products are easier to demold.
Description
Technical Field
The invention belongs to the technical field of molds, and particularly relates to a static mold pre-core-pulling mold structure.
Background
The cylinder body starter hole cover plate is a common automobile part, and is structurally shown in figure 1, two bosses are arranged on the cylinder body starter hole cover plate, and each boss is provided with a longitudinal through hole penetrating through the boss. At present, in the production process of products with the characteristics of a plurality of longitudinal through holes, such as a cylinder starter hole cover plate and the like, a die-casting die or an injection mould is often adopted for production, wherein, in the existing mould structure for forming products with a plurality of longitudinal through holes, such as a cylinder starter hole cover plate and the like, the mold cores for forming the through holes are all arranged on the movable mold, after the mold of the product is opened, the product stays on the movable mold, the ejection mechanism arranged on the movable mold ejects the product to complete the demolding, however, because the fashioned in-process of product cooling can take place to shrink and hold the core tightly, consequently to the product that has a plurality of longitudinal through-hole characteristics (especially when the hole depth of longitudinal through-hole is great), if the core that will be used for a plurality of longitudinal through-holes of shaping all sets up on the movable mould, can make the product to the whole power increase of hugging closely of core, and then can increase the degree of difficulty of product drawing of patterns.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a static die pre-core-pulling die structure, which aims to reduce the demolding difficulty of products with similar structures, such as a cylinder starter hole cover plate and the like, and enable the products to be easily demolded.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a quiet mould is loose core mould structure in advance, includes movable mould board, quiet template, installs movable mould benevolence on the movable mould board and install on quiet template and with the relative quiet mould benevolence that sets up of movable mould benevolence, still install power device on the quiet template, be fixed with first pore-forming core on the movable mould benevolence, install mobilizable second pore-forming core on the quiet mould benevolence, just second pore-forming core is kept away from the one end of movable mould benevolence with power device links mutually.
Further, the static mold pre-pulling core mold structure further comprises a linkage assembly, wherein the linkage assembly comprises a sliding block arranged perpendicular to the second hole forming core and a return spring arranged on the static mold core, one end of the sliding block is connected with the power device, the other end of the sliding block is provided with a notch arranged towards one end of the second hole forming core, and a first inclined surface arranged in an inclined manner along a direction far away from one end of the second hole forming core is formed in the notch; the end surface of one end of the second hole forming core, which is far away from the movable die core, is provided with a second inclined surface, wherein the first inclined surface is in sliding contact with the second inclined surface; the reset spring is used for pushing the second hole forming core to move along the direction away from the movable die core when the sliding block moves along the direction away from one end of the second hole forming core.
Furthermore, a mounting groove is formed in the stationary mold core, the second hole forming core comprises a mold core body penetrating through the stationary mold core and a mold core fixing block in sliding fit with the mounting groove, one end of the mold core fixing block is fixedly connected with one end, far away from the moving mold core, of the mold core body, the other end of the mold core fixing block extends out of the mounting groove, and a second inclined surface in sliding contact with the first inclined surface is formed in the end surface of the mold core fixing block, the reset spring is arranged in the mounting groove, one end of the reset spring is in contact with the end surface of the mold core fixing block, and the other end of the reset spring is in contact with the inner wall of the mounting groove.
Further, the linkage assembly further comprises a connecting block, the second hole forming cores are arranged in pairs, the sliding blocks are arranged in pairs and correspond to the second hole forming cores one to one, one ends of the sliding blocks arranged in pairs are connected with the power device through the connecting block, and the other ends of the sliding blocks are in sliding contact with the corresponding second hole forming cores.
Further, the power device is a hydraulic cylinder or an air cylinder.
Further, the static mold pre-core-pulling mold structure further comprises a push rod pushing mechanism, and the push rod pushing mechanism is arranged on one side, away from the static mold plate, of the movable mold plate.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a static mold pre-pulling core mold structure, which is characterized in that a first hole forming core for forming one through hole on a cylinder body starter hole cover plate is arranged on a movable mold core, a second hole forming core for forming the other through hole on the cylinder body starter hole cover plate is movably arranged on the static mold core, and a power device for driving a second hole forming core to move in the direction close to or far away from the movable mold core is arranged on a static mold plate, so that before a product is formed and the mold is ready to be opened, the second hole forming core can be driven by the power device to be partially or completely extracted from the product, the holding force of the product on the second hole forming core can be reduced or eliminated, the product after the mold is opened only has the holding force on the first hole forming core, and compared with the traditional mold structure in which the mold cores for forming two through holes on the cylinder body starter hole cover plate are arranged on the movable mold, the number of the mold cores held tightly by the product is reduced, so that the overall holding force of the product on the mold cores is effectively reduced, and the demolding of the product can be smoother.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a conventional cylinder starter hole cover plate;
fig. 2 is an overall structural schematic diagram of a static mold pre-core-pulling mold structure in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of the static mold pre-core-pulling mold structure in which the static mold plate is removed according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of FIG. 3 with the cavity removed;
FIG. 5 is a schematic view of the product of FIG. 4 with the product removed;
FIG. 6 is a schematic structural diagram of a slider according to an embodiment of the present invention;
FIG. 7 is a schematic view showing a position of the second holed core before being drawn out in one embodiment of the present invention;
fig. 8 is a schematic view showing a position state after the second hole forming core is extracted in one embodiment of the present invention.
Description of reference numerals:
1-movable mould plate, 2-static mould plate, 3-movable mould core, 4-static mould core, 41-mounting groove, 5-power device, 6-first hole-forming mould core, 7-second hole-forming mould core, 71-mould core body, 72-mould core fixing block, 721-second inclined plane, 81-sliding block, 811-notch, 8111-first inclined plane, 82-reset spring, 83-connecting block, 9-push rod pushing-out mechanism, 91-push plate, 92-guide column and 93-push rod.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The embodiment of the invention provides a static mold pre-core-pulling mold structure which can be used for molding products with two or more than two longitudinal through holes (particularly when the hole depth of the longitudinal through hole in the product is larger) such as a cylinder starter hole cover plate, and for convenience of explanation, the embodiment of the invention takes molding of the cylinder starter hole cover plate as an example for explanation. Referring to fig. 1, 2, 3, 5, 6, 7 and 8, the static pre-core-pulling mold structure includes a movable mold plate 1, a static mold plate 2, a movable mold core 3 installed on the movable mold plate 1, and a static mold core 4 installed on the static mold plate 2 and opposite to the movable mold core 3, wherein a power device 5 is further installed on the static mold plate 2, a first hole forming core 6 is fixed on the movable mold core 3, a movable second hole forming core 7 is installed on the static mold core 4, and one end of the second hole forming core 7 far away from the movable mold core 3 is linked with the power device 5.
In the static mold pre-pulling core mold structure provided by the embodiment of the invention, the first hole forming core 6 for forming one through hole on the cylinder body starter hole cover plate is arranged on the movable mold core 3, the second hole forming core 7 for forming the other through hole on the cylinder body starter hole cover plate is movably arranged on the static mold core 4, and the power device 5 for driving the second hole forming core 7 to move along the direction close to or far away from the movable mold core 3 is arranged on the static mold plate 2, so that before a product is formed and ready to be opened, the power device 5 can drive the second hole forming core 7 to be firstly drawn out from the upper part or all of the product, therefore, the holding force of the product on the second hole forming core 7 can be reduced or eliminated, and therefore, the product after being opened only has the holding force on the first hole forming core 6, compared with the traditional mold structure in which the cores for forming two through holes on the cylinder body starter hole cover plate are arranged on the movable mold, the number of the mold cores held tightly by the product is reduced, so that the overall holding force of the product on the mold cores is effectively reduced, and the demolding of the product can be smoother.
Further, referring to fig. 3, 4, 6, 7 and 8, in an exemplary embodiment, the static mold pre-pulling mold structure further includes a linkage assembly, the linkage assembly includes a sliding block 81 disposed perpendicular to the second hole forming core 7 and a return spring 82 mounted on the static mold core 4, wherein one end of the sliding block 81 is connected to the power device 5, the other end of the sliding block 81 has a notch 811 disposed toward one end of the second hole forming core 7, and a first inclined surface 8111 disposed in the notch 811 and inclined in a direction away from one end of the second hole forming core 7; the end surface of the second hole forming core 7, which is far away from the movable die core 3, is provided with a second inclined surface 721, wherein the first inclined surface 8111 is in sliding contact with the second inclined surface 721; the return spring 82 is used for pushing the second hole-forming core 7 to move in the direction away from the movable die core 3 when the sliding block 81 moves in the direction away from one end of the second hole-forming core 7.
In this embodiment, the working principle of the static pre-core-pulling mold structure is as follows:
after the die is closed, the power device 5 drives the sliding block 81 to move along the direction close to the second hole forming core 7, and under the interaction of the first inclined surface 8111 and the second inclined surface 721, the sliding block 81 drives the second hole forming core 7 to move along the direction close to the movable die core 3 and reach a specified position so as to form one through hole on the cylinder starter hole cover plate; before a product is cooled and formed and is ready to be opened, the power device 5 drives the sliding block 81 to move in the direction away from the second hole-forming core 7, and the second hole-forming core 7 is partially or completely drawn out of a through hole of the product under the action of the return spring 82, so that the holding force of the product on the second hole-forming core 7 can be reduced or eliminated, and the product can be more smoothly demolded after the product is opened.
Further, referring to fig. 3, 4, 6, 7 and 8, in an exemplary embodiment, the stationary mold core 4 is provided with an installation groove 41, the second hole-forming core 7 includes a core body 71 inserted into the stationary mold core 4 and a core fixing block 72 slidably fitted into the installation groove 41, one end of the core fixing block 72 is fixedly connected to one end of the core body 71 away from the moving mold core 3, the other end of the core fixing block 72 extends out of the installation groove 41 and has a second inclined surface 721 slidably contacting the first inclined surface 8111 on the end surface thereof, wherein the return spring 82 is disposed in the installation groove 41, one end of the return spring 82 contacts with the end surface of the core fixing block 72, and the other end contacts with the inner wall of the installation groove 41.
In this embodiment, the working principle of the static pre-core-pulling mold structure is as follows:
after the mold is closed, the power device 5 drives the sliding block 81 to move along the direction close to the core fixing block 72, under the interaction of the first inclined surface 8111 and the second inclined surface 721, the sliding block 81 drives the core fixing block 72 to move along the direction close to the movable mold core 3 together with the whole core body 71 and reach a specified position, and meanwhile, the return spring 82 is gradually compressed; before the product is cooled and molded and ready for mold opening, the power device 5 drives the sliding block 81 to move along the direction away from the core fixing block 72, and the core body 71 is partially or completely drawn out of the through hole of the product under the action of the elastic restoring force of the return spring 82, so that the holding force of the product on the core body 71 can be reduced or eliminated, and the product can be smoothly demolded after the mold opening. Preferably, the inclination angle of the first inclined surface 8111 is 10 to 20 °, and at this time, when the power device 5 drives the sliding block 81 to move in a direction away from the core fixing block 72, the core body 71 is partially withdrawn from the through hole of the product under the elastic restoring force of the return spring 82, wherein the withdrawal distance of the core body 71 from the through hole of the product is 2 to 3 mm.
Further, referring to fig. 4, 5, 7 and 8, in an exemplary embodiment, the linkage assembly further includes a connecting block 83, the second hole-forming cores 7 are arranged in pairs, and the sliding blocks 81 are arranged in pairs and correspond to the second hole-forming cores 7 one by one, wherein one end of the sliding block 81 arranged in pairs is connected to the power unit 5 through the connecting block 83, and the other end is in sliding contact with the corresponding second hole-forming core 7. Preferably, the power device 5 is a hydraulic cylinder or an air cylinder, and more preferably, the power device 5 is a hydraulic cylinder, and in this case, illustratively, one end of each of the two sliding blocks 81 is fixedly connected to both ends of the connecting block 83, and the middle part of the connecting block 83 is fixedly connected to a piston rod of the hydraulic cylinder.
In this embodiment, based on above-mentioned structural design, applicable in the quiet mould of a mould two chambeies mould structure of loosing core in advance, so, not only can guarantee the smooth drawing of patterns of product, can improve the production efficiency of product moreover, simultaneously, only need a pneumatic cylinder or cylinder can accomplish the shaping of loosing core of two products to be favorable to reduction in production cost.
Further, referring to fig. 1, 4 and 5, in an exemplary embodiment, the foregoing structure of the static mold pre-core-pulling mold further includes a push rod 93 and an ejecting mechanism 99, where the push rod 93 and the ejecting mechanism 99 are disposed on a side of the movable mold plate 1 facing away from the static mold plate 2. Illustratively, the push rod 93 pushing mechanism 99 includes a push plate 91, a plurality of guide posts 92 for guiding the push plate 91, and a plurality of push rods 93 disposed on the push plate 91, wherein the number of the guide posts 92 is four, and the four guide posts 92 are respectively disposed at four corners of the push plate 91; one end of each of the push rods 93 is fixed to the push plate 91, and the other end thereof is disposed corresponding to the cavity and the flow channel in the core 3.
In this embodiment, based on the above structure design, after the mold is opened, the push plate 91 can be pushed by the top roller of the injection molding machine or the die casting machine, and the product and the condensed material are ejected from the movable mold core 3 integrally by the push rod 93, so as to realize the demolding.
For the structure of the static mold pre-core-pulling mold according to the above embodiment of the present invention, it should be noted that, in some embodiments, the second hole-forming core 7 may also be directly connected to a piston rod of a hydraulic cylinder or an air cylinder, so that before a product is formed and ready to be opened, the hydraulic cylinder or the air cylinder may drive the second hole-forming core 7 to be completely pulled out from the product, so as to achieve an effect of eliminating an enclasping force of the product on the second hole-forming core 7.
In addition, it should be noted that other contents of the static mold pre-core-pulling mold structure disclosed by the present invention may be referred to in the prior art, and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a quiet mould is loose core mould structure in advance, includes movable mould board, quiet template, installs movable mould benevolence on the movable mould board and install on quiet template and with the relative quiet mould benevolence that sets up of movable mould benevolence, a serial communication port, still install power device on the quiet template, be fixed with first pore-forming core on the movable mould benevolence, install mobilizable second pore-forming core on the quiet mould benevolence, just second pore-forming core is kept away from the one end of movable mould benevolence with power device links mutually.
2. The static mold pre-pulling core mold structure according to claim 1, further comprising a linkage assembly, wherein the linkage assembly comprises a sliding block arranged perpendicular to the second hole forming core and a return spring arranged on the static mold core, one end of the sliding block is connected with the power device, the other end of the sliding block is provided with a notch arranged towards one end of the second hole forming core, and a first inclined surface arranged in an inclined manner along a direction away from one end of the second hole forming core is formed in the notch; the end surface of one end of the second hole forming core, which is far away from the movable die core, is provided with a second inclined surface, wherein the first inclined surface is in sliding contact with the second inclined surface; the reset spring is used for pushing the second hole forming core to move along the direction away from the movable die core when the sliding block moves along the direction away from one end of the second hole forming core.
3. The structure of the static mold pre-pulling core mold according to claim 2, wherein a mounting groove is formed in the static mold core, the second pore-forming core comprises a core body penetrating through the static mold core and a core fixing block in sliding fit with the mounting groove, one end of the core fixing block is fixedly connected with one end, away from the moving mold core, of the core body, the other end of the core fixing block extends out of the mounting groove, and a second inclined surface in sliding contact with the first inclined surface is formed in the end surface of the core fixing block, wherein the return spring is arranged in the mounting groove, one end of the return spring is in contact with the end surface of the core fixing block, and the other end of the return spring is in contact with the inner wall of the mounting groove.
4. The static mold pre-pulling core mold structure according to claim 2, wherein the linkage assembly further comprises connecting blocks, the second hole forming cores are arranged in pairs, the sliding blocks are arranged in pairs and correspond to the second hole forming cores one to one, one ends of the sliding blocks arranged in pairs are connected with the power device through the connecting blocks, and the other ends of the sliding blocks are in sliding contact with the corresponding second hole forming cores.
5. The structure of any one of claims 1 to 4, wherein the power device is a hydraulic cylinder or an air cylinder.
6. The structure of the static mold pre-core-pulling mold according to any one of claims 1 to 4, further comprising a push rod pushing mechanism, wherein the push rod pushing mechanism is arranged on one side of the movable mold plate, which is far away from the static mold plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010603436.5A CN111645282B (en) | 2020-06-29 | 2020-06-29 | Static mould pre-core-pulling mould structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010603436.5A CN111645282B (en) | 2020-06-29 | 2020-06-29 | Static mould pre-core-pulling mould structure |
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| CN111645282A true CN111645282A (en) | 2020-09-11 |
| CN111645282B CN111645282B (en) | 2022-03-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734564A (en) * | 2022-03-17 | 2022-07-12 | 江西理工大学 | Mechanical automatic core pulling mechanism |
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| JPH05253978A (en) * | 1992-03-16 | 1993-10-05 | Sekisui Chem Co Ltd | Injection mold |
| CN201989297U (en) * | 2010-12-27 | 2011-09-28 | 牟维军 | Mould mechanism with effect of pulling inside oblique core by spring and oblique press block |
| CN104339587A (en) * | 2014-09-30 | 2015-02-11 | 珀尔曼机电(昆山)有限公司 | Safety ejection mechanism for injection mould |
| CN204487980U (en) * | 2015-03-05 | 2015-07-22 | 浙江黄岩红旗塑料模具厂 | A kind of injection mold for side forming through holes |
| JP2015145098A (en) * | 2014-02-03 | 2015-08-13 | 国立大学法人九州工業大学 | Discharge method of gas in die, and discharge method-applied molding die |
| CN106994765A (en) * | 2017-06-02 | 2017-08-01 | 思柏精密模具注塑（无锡）有限公司 | The precision die and its forming method of electromobile battery moulding |
| CN208068751U (en) * | 2018-02-09 | 2018-11-09 | 武汉燎原模塑有限公司 | It is a kind of to be used to produce the mold with poroid torque product |
| CN111300766A (en) * | 2018-12-12 | 2020-06-19 | 宁波市北仑区地平线机械有限公司 | A mould for producing vapour vehicle support |
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2020
- 2020-06-29 CN CN202010603436.5A patent/CN111645282B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05253978A (en) * | 1992-03-16 | 1993-10-05 | Sekisui Chem Co Ltd | Injection mold |
| CN201989297U (en) * | 2010-12-27 | 2011-09-28 | 牟维军 | Mould mechanism with effect of pulling inside oblique core by spring and oblique press block |
| JP2015145098A (en) * | 2014-02-03 | 2015-08-13 | 国立大学法人九州工業大学 | Discharge method of gas in die, and discharge method-applied molding die |
| CN104339587A (en) * | 2014-09-30 | 2015-02-11 | 珀尔曼机电(昆山)有限公司 | Safety ejection mechanism for injection mould |
| CN204487980U (en) * | 2015-03-05 | 2015-07-22 | 浙江黄岩红旗塑料模具厂 | A kind of injection mold for side forming through holes |
| CN106994765A (en) * | 2017-06-02 | 2017-08-01 | 思柏精密模具注塑（无锡）有限公司 | The precision die and its forming method of electromobile battery moulding |
| CN208068751U (en) * | 2018-02-09 | 2018-11-09 | 武汉燎原模塑有限公司 | It is a kind of to be used to produce the mold with poroid torque product |
| CN111300766A (en) * | 2018-12-12 | 2020-06-19 | 宁波市北仑区地平线机械有限公司 | A mould for producing vapour vehicle support |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734564A (en) * | 2022-03-17 | 2022-07-12 | 江西理工大学 | Mechanical automatic core pulling mechanism |
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| Publication number | Publication date |
|---|---|
| CN111645282B (en) | 2022-03-22 |
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