CN219789120U - Injection mold and injection system - Google Patents
Injection mold and injection system Download PDFInfo
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- CN219789120U CN219789120U CN202320969252.XU CN202320969252U CN219789120U CN 219789120 U CN219789120 U CN 219789120U CN 202320969252 U CN202320969252 U CN 202320969252U CN 219789120 U CN219789120 U CN 219789120U
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- bevel gear
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- injection molding
- injection
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- 238000002347 injection Methods 0.000 title claims abstract description 53
- 239000007924 injection Substances 0.000 title claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 238000001746 injection moulding Methods 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The disclosure relates to the technical field of injection molding equipment, in particular to an injection mold and an injection molding system. The injection mold comprises a transmission mechanism and a threaded core; the transmission mechanism comprises a first bevel gear, a second bevel gear, a central gear and a plurality of sub gears, wherein the first bevel gear is used for being in transmission connection with a hydraulic system of the injection molding machine, the second bevel gear is meshed with the first bevel gear, the central gear and the second bevel gear are coaxially arranged, the plurality of sub gears are arranged at intervals along the circumferential direction of the central gear, and the plurality of sub gears are respectively meshed with the central gear; the injection mold can reduce the transmission level, reduce the structural complexity of the injection mold and shorten the injection molding period; simultaneously, can drive a plurality of screw thread cores and rotate together, realize taking the drawing of patterns of internal thread product.
Description
Technical Field
The disclosure relates to the technical field of injection molding equipment, in particular to an injection mold and an injection molding system.
Background
When the existing injection mold processes products with internal threads, the products are taken out in a rotary thread removing mode, the existing implementation mode is to convert the linear motion of a movable mold or the rotation of a motor and other power sources into the rotation of a threaded mold core during mold opening by using a chain, a gear, a rack, a screw rod and the like, the transmission stage number is more, if a plurality of products are required to be molded at one time, the integral height of the injection mold is higher, the structure is complex, and the injection molding period is long.
Disclosure of Invention
The present disclosure provides an injection mold and an injection system to alleviate the technical problems of complex structure and long injection cycle of the injection mold caused by the need of one-step molding of a plurality of products in the prior art.
In view of the above, the present disclosure provides an injection mold comprising a transmission mechanism and a threaded core; the transmission mechanism comprises a first bevel gear, a second bevel gear, a central gear and a plurality of sub gears, wherein the first bevel gear is used for being in transmission connection with a hydraulic system of the injection molding machine, the second bevel gear is meshed with the first bevel gear, the central gear and the second bevel gear are coaxially arranged, the plurality of sub gears are arranged at intervals along the circumferential direction of the central gear, and the plurality of sub gears are respectively meshed with the central gear; the threaded cores are connected with the sub-gears, the threaded cores are multiple in number, and the threaded cores are in one-to-one correspondence with the sub-gears.
In one embodiment of the present disclosure, the injection mold further comprises a panel, an upper cavity plate, a lower cavity plate, a first pallet, a second pallet, a third pallet, a fourth pallet, and a bottom plate disposed from top to bottom; the bottom plate and the panel are fixedly connected with the injection molding machine;
an upper cavity is arranged in the upper cavity plate, a lower cavity is arranged in the lower cavity plate, an outer core plate and an outer core are arranged on the first supporting plate, the sun gear and the sub-gear are arranged on the second supporting plate, and the threaded core is arranged on the fourth supporting plate;
the transmission mechanism further comprises a first transmission shaft, and the first transmission shaft penetrates through the second supporting plate, the third supporting plate and the fourth supporting plate;
the first bevel gear and the second bevel gear are both arranged between the fourth supporting plate and the bottom plate.
In one embodiment of the present disclosure, the outer core is provided with a limit portion for limiting rotation of the injection molded product.
In one embodiment of the present disclosure, the limiting portion includes a plurality of protrusions, and the plurality of protrusions are disposed at intervals along a circumferential direction of the outer core.
In one embodiment of the present disclosure, the mold further comprises mold legs and an ejector plate, wherein the mold legs are installed between the fourth supporting plate and the bottom plate, so that a space for installing the first bevel gear, the second bevel gear and the ejector plate is formed between the fourth supporting plate and the bottom plate;
the ejector plate is located above the bottom plate, an ejector pin is installed on the ejector plate, and the ejector pin is used for ejecting an injection molding product.
In one embodiment of the present disclosure, the transmission mechanism further includes a first spur gear, a second spur gear, and a second transmission shaft, the first spur gear is used for being in transmission connection with a hydraulic system of the injection molding machine, the second spur gear is meshed with the first spur gear, and the second spur gear is connected with the first bevel gear through the second transmission shaft.
In one embodiment of the present disclosure, the first bevel gear and the second bevel gear are both spur bevel gears.
Based on the above object, the present disclosure further provides an injection molding system, including the injection mold.
In one embodiment of the present disclosure, the injection molding system further comprises a hydraulic system for providing power to the transmission mechanism.
In one embodiment of the present disclosure, the injection molding system further comprises a manipulator for gripping the take-off handle.
The beneficial effects of the present disclosure mainly lie in:
the injection mold comprises a transmission mechanism and a threaded mold core; the transmission mechanism comprises a first bevel gear, a second bevel gear, a central gear and a plurality of sub gears, wherein the first bevel gear is used for being in transmission connection with a hydraulic system of the injection molding machine, the second bevel gear is meshed with the first bevel gear, the central gear and the second bevel gear are coaxially arranged, the plurality of sub gears are arranged at intervals along the circumferential direction of the central gear, and the plurality of sub gears are respectively meshed with the central gear; the threaded cores are connected with the sub-gears, the threaded cores are multiple in number, and the threaded cores are in one-to-one correspondence with the sub-gears.
Based on the structure, the injection mold provided by the disclosure adopts the first bevel gear and the second bevel gear to replace chain transmission, so that the transmission stage number can be reduced, the structural complexity of the injection mold is reduced, and the injection molding period is shortened; simultaneously, through setting up the sun gear, can drive a plurality of pinion rotation simultaneously on same height, because a plurality of screw thread cores and a plurality of pinion one-to-one to can drive a plurality of screw thread cores simultaneously and rotate together, realize taking the drawing of patterns of internal thread product.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required in the detailed description or the prior art will be briefly described, it will be apparent that the drawings in the following description are some embodiments of the present disclosure, and other drawings may be obtained according to the drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic structural view of an injection mold provided in an embodiment of the present disclosure;
fig. 2 is a schematic diagram of an internal structure of an injection mold according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of an internal structure of an injection mold according to another view angle provided by an embodiment of the present disclosure;
FIG. 4 is a top view of a sun gear and a sub-gear in an injection mold provided by an embodiment of the present disclosure;
fig. 5 is a schematic structural view of an outer core in an injection mold according to an embodiment of the present disclosure.
The reference numerals are explained as follows:
1-a threaded core; 2-a first bevel gear; 3-a second bevel gear; 4-sun gear; 5-sub-gears; 6-panel; 7-an upper cavity plate; 8-a lower cavity plate; 9-a first pallet; 10-a second pallet; 11-a third pallet; 12-a fourth pallet; 13-a bottom plate; 14-an upper cavity; 15-a lower cavity; 16-an outer core plate; 17-an outer core; 18-a first drive shaft; 19-a first spur gear; 20-a second spur gear; 21-a second drive shaft; 22-mold legs; 23-ejector plate; 24-thimble; 25-limit part.
Detailed Description
The technical solutions of the present disclosure will be clearly and completely described below in connection with embodiments, and it is apparent that the described embodiments are some embodiments of the present disclosure, but not all embodiments. Based on the embodiments in this disclosure, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
In the description of the present disclosure, it should be noted that, as terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, their indicated orientations or positional relationships are based on those shown in the drawings, merely to facilitate description of the present disclosure and simplify the description, and do not indicate or imply that the devices or elements 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 disclosure. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In the description of the present disclosure, it should be noted that unless explicitly specified and limited otherwise, terms "mounted," "connected," and "connected" as used herein are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art in the specific context.
Referring to fig. 1 to 5, the present embodiment provides an injection mold including a transmission mechanism and a screw core 1; the transmission mechanism comprises a first bevel gear 2, a second bevel gear 3, a central gear 4 and a plurality of sub gears 5, wherein the first bevel gear 2 is used for being in transmission connection with a hydraulic system of the injection molding machine, the second bevel gear 3 is meshed with the first bevel gear 2, the central gear 4 is coaxially arranged with the second bevel gear 3, the plurality of sub gears 5 are arranged at intervals along the circumferential direction of the central gear 4, and the plurality of sub gears 5 are respectively meshed with the central gear 4; the threaded cores 1 are connected with the sub-gears 5, the number of the threaded cores 1 is multiple, and the threaded cores 1 are in one-to-one correspondence with the sub-gears 5.
According to the injection mold provided by the embodiment, the first bevel gear 2 and the second bevel gear 3 are adopted to replace chain transmission, so that the transmission stage number can be reduced, the structural complexity of the injection mold is reduced, and the injection molding period is shortened; simultaneously, through setting up sun gear 4, can drive a plurality of pinion 5 rotation simultaneously on same height, because a plurality of screw thread cores 1 and a plurality of pinion 5 one-to-one to can drive a plurality of screw thread cores 1 simultaneously and rotate together, realize taking the drawing of patterns of internal thread product.
In one embodiment, referring to fig. 2 and 3, the first bevel gear 2 and the second bevel gear 3 are both straight bevel gears.
In one embodiment, referring to fig. 1, the injection mold further includes a panel 6, an upper cavity plate 7, a lower cavity plate 8, a first pallet 9, a second pallet 10, a third pallet 11, a fourth pallet 12, and a bottom plate 13 disposed from top to bottom; the bottom plate 13 and the panel 6 are used for fixedly connecting with an injection molding machine; an upper cavity 14 is arranged in the upper cavity plate 7, a lower cavity 15 is arranged in the lower cavity plate 8, an outer core plate 16 is arranged on the first supporting plate 9, an outer core 17 is arranged on the outer core plate 16, the sun gear 4 and the sub gear 5 are arranged on the second supporting plate 10, and the threaded core 1 is arranged on the fourth supporting plate 12; the transmission mechanism further comprises a first transmission shaft 18, and the first transmission shaft 18 penetrates through the second supporting plate 10, the third supporting plate 11 and the fourth supporting plate 12; the first bevel gear 2 and the second bevel gear 3 are both mounted between the fourth pallet 12 and the bottom plate 13.
In this embodiment, the upper cavity 14, the lower cavity 15, the outer core 17 and the threaded core 1 together form a product cavity for forming an internally threaded product. It should be noted that, for one product cavity, the installation positional relationship of the upper cavity 14, the lower cavity 15, the outer core 17 and the threaded core 1 is the prior art, and will not be described herein.
In use, the face plate 6 and the bottom plate 13 are fixedly mounted to the injection molding machine, thereby achieving the mounting of the injection mold. Illustratively, the injection mold further includes a nozzle, and the top end of the panel 6 is provided with a glue inlet for feeding material into the nozzle, which communicates with the product cavity for feeding material into the product cavity.
In this embodiment, the number of the threaded cores 1 is plural, so the number of the product cavities is plural, the number of the nozzles is plural, and the nozzles and the product cavities can be in one-to-one correspondence, thereby being capable of simultaneously producing plural products with internal threads and improving the production efficiency.
Illustratively, referring to fig. 4, the number of the sub-gears 5 is eight, and the eight sub-gears 5 are arranged at regular intervals in the circumferential direction of the sun gear 4.
It should be noted that the panel 6 and the nozzle are both of the prior art, and the structure thereof will not be described in detail.
Referring to fig. 2, the first transmission shaft 18 is disposed through the second support plate 10, the third support plate 11 and the fourth support plate 12, one end of the first transmission shaft 18 is connected with the second bevel gear 3, the other end of the first transmission shaft 18 is connected with the sun gear 4, and the second support plate 10 and the fourth support plate 12 are both provided with bearings for connecting with the first transmission shaft 18, so that the first transmission shaft 18 can rotate around its own axis relative to the second support plate 10, the third support plate 11 and the fourth support plate 12. The first bevel gear 2 and the second bevel gear 3 are both mounted between the fourth pallet 12 and the bottom plate 13.
In this embodiment, the third support plate 11 is provided with bearings for connection with the sub-gears 5, ensuring that the sub-gears 5 can rotate about their own axes with respect to the third support plate 11.
In one embodiment, referring to fig. 1, the transmission mechanism further comprises a first spur gear 19, a second spur gear 20 and a second transmission shaft 21, wherein the first spur gear 19 is used for transmission connection with a hydraulic system of the injection molding machine, the second spur gear 20 is meshed with the first spur gear 19, and the second spur gear 20 is connected with the first bevel gear 2 through the second transmission shaft 21.
When the injection molding machine is used, the hydraulic system of the injection molding machine drives the first straight gear 19 to rotate, the first straight gear 19 drives the second straight gear 20 to rotate, the second straight gear 20 drives the first bevel gear 2 to rotate through the second transmission shaft 21, the first bevel gear 2 drives the sun gear 4 to rotate through the first transmission shaft 18, the sun gear 4 drives the plurality of sub-gears 5 to rotate, and the plurality of sub-gears 5 simultaneously drive the plurality of threaded cores 1 to rotate, so that demolding of the internally threaded product is realized.
In one embodiment, referring to fig. 1, the injection mold further includes a mold foot 22 and an ejector plate 23, the mold foot 22 being installed between the fourth pallet 12 and the bottom plate 13 such that a space for installing the first bevel gear 2, the second bevel gear 3 and the ejector plate 23 is formed between the fourth pallet 12 and the bottom plate 13; the ejector plate 23 is located above the bottom plate 13, and the ejector plate 23 is provided with ejector pins 24, and the ejector pins 24 are used for ejecting injection products.
By providing the mold feet 22, the mold can be flattened and the space required for bevel gear fit and thimble plates and thimbles supported. After the product is demolded, ejector pins 24 eject the injection molded product from the product cavity.
In one embodiment, the outer core 17 is provided with a limit stop 25, the limit stop 25 being used to limit rotation of the injection molded product. Illustratively, after injection molding, the injection product is formed with a limit mating portion, and the limit portion 25 mates with the limit mating portion to limit the injection product from rotating along with the threaded core 1 when the threaded core 1 rotates.
In one embodiment, referring to fig. 5, the stopper 25 includes a plurality of projections which are disposed at intervals in the circumferential direction of the outer core 17.
The outer core 17 is illustratively of a tubular construction having one end with a smaller diameter than the other end, and the projections are provided at the small diameter end. After the injection molding is finished, the injection molding product is formed with a recess matched with the protrusion, and the protrusion and the recess are mutually limited to prevent the injection molding product from rotating.
It should be noted that the limiting portion 25 may be a recess, and correspondingly, a protrusion is formed on the injection molding product.
It should be noted that the structures and the linkage relations of the panel 6, the upper cavity plate 7, the lower cavity plate 8, the first supporting plate 9, the second supporting plate 10, the third supporting plate 11, the fourth supporting plate 12, the mold leg 22, the ejector pin plate 23 and the bottom plate 13 of the injection mold and the working principle of the injection mold are all in the prior art, and are not described herein.
The embodiment also provides an injection molding system, which comprises the injection mold provided by the embodiment.
The injection molding system that this embodiment provided owing to used the injection mold that this embodiment provided, not only can reduce transmission series, reduces injection molding system's overall structure complexity, can drive a plurality of screw thread cores 1 simultaneously and rotate together moreover, realizes the drawing of patterns of a plurality of in-band screw thread products, has shortened the cycle of moulding plastics, has improved production efficiency.
In one embodiment, the injection molding system further comprises a hydraulic system for providing power to the transmission mechanism.
The hydraulic system which is arranged on the injection molding system and used for driving the tooth twisting mechanism is used for providing power for the transmission mechanism, so that the traditional motor driving mode can be replaced, the structure is further simplified, and the cost is reduced. Wherein, the tooth twisting mechanism is the prior art, and its structure is not described in detail.
In one embodiment, the injection molding system further comprises a manipulator for gripping the take-off handle.
After injection molding, the material handle is separated from the injection molding product, and the manipulator is used for taking away the material handle so that the injection mold can be reused, and the next injection molding process is performed, so that the production efficiency is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present disclosure, and not for limiting the same; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present disclosure.
Claims (10)
1. An injection mold is characterized by comprising a transmission mechanism and a threaded mold core; the transmission mechanism comprises a first bevel gear, a second bevel gear, a central gear and a plurality of sub gears, wherein the first bevel gear is used for being in transmission connection with a hydraulic system of the injection molding machine, the second bevel gear is meshed with the first bevel gear, the central gear and the second bevel gear are coaxially arranged, the plurality of sub gears are arranged at intervals along the circumferential direction of the central gear, and the plurality of sub gears are respectively meshed with the central gear; the threaded cores are connected with the sub-gears, the threaded cores are multiple in number, and the threaded cores are in one-to-one correspondence with the sub-gears.
2. The injection mold of claim 1, further comprising a top-down positioned panel, an upper cavity plate, a lower cavity plate, a first pallet, a second pallet, a third pallet, a fourth pallet, and a bottom plate; the bottom plate and the panel are fixedly connected with the injection molding machine;
an upper cavity is arranged in the upper cavity plate, a lower cavity is arranged in the lower cavity plate, an outer core plate and an outer core are arranged on the first supporting plate, the sun gear and the sub-gear are arranged on the second supporting plate, and the threaded core is arranged on the fourth supporting plate;
the transmission mechanism further comprises a first transmission shaft, and the first transmission shaft penetrates through the second supporting plate, the third supporting plate and the fourth supporting plate;
the first bevel gear and the second bevel gear are both arranged between the fourth supporting plate and the bottom plate.
3. Injection mold according to claim 2, characterized in that the outer core is provided with a limit for limiting the rotation of the injection product.
4. The injection mold of claim 3, wherein the limit portion comprises a plurality of protrusions, the plurality of protrusions being disposed at intervals along a circumferential direction of the outer core.
5. The injection mold of claim 2, further comprising mold pins and an ejector plate, the mold pins being mounted between the fourth pallet and the bottom plate such that a space for mounting the first bevel gear, the second bevel gear, and the ejector plate is formed between the fourth pallet and the bottom plate;
the ejector plate is located above the bottom plate, an ejector pin is installed on the ejector plate, and the ejector pin is used for ejecting an injection molding product.
6. The injection mold of any of claims 1-5, wherein the drive mechanism further comprises a first spur gear for driving connection with a hydraulic system of an injection molding machine, a second spur gear engaged with the first spur gear, and a second drive shaft through which the second spur gear is connected with the first bevel gear.
7. The injection mold of any of claims 1-5, wherein the first bevel gear and the second bevel gear are both spur bevel gears.
8. An injection molding system comprising the injection mold of any one of claims 1 to 7.
9. The injection molding system of claim 8, further comprising a hydraulic system for providing power to the transmission.
10. The injection molding system of claim 8, further comprising a manipulator for gripping the take-off handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320969252.XU CN219789120U (en) | 2023-04-25 | 2023-04-25 | Injection mold and injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320969252.XU CN219789120U (en) | 2023-04-25 | 2023-04-25 | Injection mold and injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219789120U true CN219789120U (en) | 2023-10-03 |
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ID=88177698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320969252.XU Active CN219789120U (en) | 2023-04-25 | 2023-04-25 | Injection mold and injection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219789120U (en) |
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2023
- 2023-04-25 CN CN202320969252.XU patent/CN219789120U/en active Active
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