CN218053762U - Thread product forming structure - Google Patents
Thread product forming structure Download PDFInfo
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- CN218053762U CN218053762U CN202222468997.6U CN202222468997U CN218053762U CN 218053762 U CN218053762 U CN 218053762U CN 202222468997 U CN202222468997 U CN 202222468997U CN 218053762 U CN218053762 U CN 218053762U
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Abstract
The utility model belongs to the technical field of the shaping technique of screw tooth product and specifically relates to indicate a screw tooth product shaping structure, this screw tooth product shaping structure, include: the driving assembly, the transmission assembly and the die assembly; the transmission assembly is in transmission connection with the driving assembly, and the die assembly is movably connected with the transmission assembly; the mould assembly comprises a runner rod and a cavity mould; the runner rod and the cavity mold are movably connected with the transmission assembly, and the runner rod is communicated with an external injection molding machine and used for injecting glue to the cavity mold so as to mold a product. The utility model provides a back mould side do not have the thimble and arrange face and outside with the mould shaping structure requirement of preventing changeing the bone or preventing changeing a characteristic class product to compress overall structure thickness, reduced the board tonnage of moulding plastics, improved thread product appearance quality simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the shaping technique of screw tooth product and specifically relates to indicate a screw tooth product shaping structure.
Background
For products with screw tooth characteristics, one of the common injection mold forming structures with the screw tooth part characteristics is to rotate a gear mechanism by a hydraulic motor, then drive a screw tooth insert to rotate and retreat by the rotation of the gear mechanism until the screw tooth insert is separated from a product glue position, and then eject the product and a runner out of a back mold cavity by an ejection mechanism, which is a common plastic screw tooth characteristic forming mode. However, for a product without a needle-ejecting surface on a part of the rear mold side (the periphery of the product needs to be provided with a rotary stop bone or a stop plane), the molding structure obviously cannot meet the ejection requirement of the product and a runner.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a screw tooth product shaping structure.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a screw thread product shaping structure, include: the driving assembly, the transmission assembly and the die assembly; the transmission assembly is in transmission connection with the driving assembly, and the die assembly is movably connected with the transmission assembly; the mould assembly comprises a runner rod and a cavity mould; the runner rod and the cavity mold are movably connected with the transmission assembly, and the runner rod is communicated with an external injection molding machine and used for injecting glue to the cavity mold so as to form a product.
In one embodiment, the transmission assembly includes a left transmission portion, a middle transmission portion and a right transmission portion; the middle transmission part is in transmission connection with the driving assembly, and the left transmission part and the right transmission part are in transmission connection with the middle transmission part; the runner rod with middle transmission portion swing joint, the die cavity mould includes left die cavity mould and right die cavity mould, left side die cavity mould with left transmission portion swing joint, right side die cavity mould with right transmission portion swing joint, the runner rod with left die cavity mould and right die cavity mould cooperate.
In a specific embodiment, the left transmission part and the right transmission part are identical in structure, and the left cavity mold and the right cavity mold are identical in structure.
In one embodiment, the intermediate transmission part comprises a first chain wheel, a chain, a second chain wheel, a rotating shaft, an intermediate gear, an intermediate thread insert and a water gap insert; the first chain wheel is in transmission connection with the driving assembly, the second chain wheel is in transmission connection with the first chain wheel through the chain, the lower end of the rotating shaft is fixedly connected with the second chain wheel, the upper end of the rotating shaft is connected with the middle screw tooth insert, the middle gear is sleeved in the middle of the rotating shaft, and the left transmission part and the right transmission part are in transmission connection with the middle gear; the water gap insert is sleeved on the middle screw thread insert, and the lower end of the flow passage rod penetrates through the water gap insert and is movably connected with the middle screw thread insert.
In a specific embodiment, the upper end of the middle thread insert is provided with a middle thread, and the lower end of the runner rod penetrates through the water gap insert to be movably connected with the middle thread.
In a specific embodiment, the rotating shaft is further sleeved with two intermediate bearings respectively located on the upper surface and the lower surface of the intermediate gear.
In a specific embodiment, the left transmission part comprises a left gear and a left thread insert; the left gear is sleeved on the left thread insert, the left gear is meshed with the intermediate gear, and the left thread insert is movably connected with the left cavity mold.
In a specific embodiment, a left thread is arranged at the upper end of the left thread insert, and the left cavity mold is movably connected with the left thread.
In a specific embodiment, the left thread insert is further sleeved with three left bearings, two of the left bearings are respectively located on the upper surface and the lower surface of the left gear, and the other one of the left bearings is located below the left thread.
In a specific embodiment, the driving assembly includes a motor and a motor fixing plate, the motor is connected to the motor fixing plate, the motor is provided with an output shaft, and the output shaft is fixedly connected to the first chain wheel.
Compared with the prior art, the utility model beneficial effect be: the mold assembly comprises a runner rod and a cavity mold, the runner rod and the cavity mold are movably connected with the transmission assembly, and the runner rod is communicated with an external injection molding machine and used for injecting glue to the cavity mold so as to mold a product; the mould forming structure has the advantages that the mould forming structure requirements that no thimble is arranged on the rear mould side, and an anti-rotation bone or an anti-rotation surface characteristic product is attached to the outer side are met, the overall structure thickness is reduced, the tonnage of an injection molding machine table is reduced, and the appearance quality of a thread product is improved.
The invention is further described with reference to the accompanying drawings and specific embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a first schematic perspective view of a screw product molding structure provided by the present invention;
fig. 2 is a schematic perspective view of a screw product molding structure provided by the present invention;
fig. 3 is an exploded schematic view of the screw thread product molding structure provided by the present invention;
fig. 4 is a schematic cross-sectional view of a screw product molding structure provided by the present invention;
fig. 5 is a schematic structural view of the screw product provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to 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" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
Referring to fig. 1 to 5, the utility model discloses a specific embodiment of a thread product forming structure, including: a driving assembly 10, a transmission assembly 20 and a mould assembly 30; the transmission assembly 20 is in transmission connection with the driving assembly 10, and the mold assembly 30 is movably connected with the transmission assembly 20; the mold assembly 30 comprises a runner bar 31 and a cavity mold 32; the runner rod 31 and the cavity mold 32 are movably connected with the transmission assembly 20, and the runner rod 31 is communicated with an external injection molding machine (not shown in the figure) and used for injecting glue to the cavity mold 32 to mold a product.
Specifically, the outer side of a product applied to the forming of the thread product needs to be provided with an anti-rotation bone or anti-rotation surface characteristic structure, the mold forming structural requirement that the rear mold side is provided with no thimble arrangement surface and the outer side is provided with an anti-rotation bone or anti-rotation surface characteristic product is met, the overall structure thickness is reduced, the tonnage of an injection molding machine table is reduced, and the appearance quality of the thread product is improved.
Referring to fig. 1 to 4, the transmission assembly 20 includes a left transmission portion 21, a middle transmission portion 22 and a right transmission portion 23; the middle transmission part 22 is in transmission connection with the driving assembly 10, and the left transmission part 21 and the right transmission part 23 are in transmission connection with the middle transmission part 22; the runner rod 31 with middle transmission part 22 swing joint, the die cavity mould 32 includes left die cavity mould 31 and right die cavity mould 32, left die cavity mould 321 with left transmission part 21 swing joint, right die cavity mould 322 with right transmission part 23 swing joint, runner rod 31 with left die cavity mould 321 and right die cavity mould 322 cooperate.
Specifically, the middle transmission part 22 is in transmission connection with the driving assembly 10, and then the left transmission part 21 and the right transmission part 23 are driven to rotate, the runner rod 31 is of a T-shaped hollow structure and is used for injecting glue to the left cavity mold 321 and the right cavity mold 322 to form a product, and then the acting force generated by the original-place rotation of the left transmission part 21, the middle transmission part 22 and the right transmission part 23 is utilized to force the cavity mold 32 and the runner rod 31 to move upwards to separate from the left transmission part 21, the middle transmission part 22 and the right transmission part 23, so that a thread product is obtained, and the cavity mold 32 and the runner rod 31 can be used for the next production.
Referring to fig. 1 to 4, the left transmission part 21 and the right transmission part 23 have the same structure, and the left cavity mold 321 and the right cavity mold 322 have the same structure, so that the production cost is reduced, and the production speed of the product is increased.
Referring to fig. 1 to 4, the intermediate transmission part 22 includes a first sprocket 221, a chain 222, a second sprocket 223, a rotation shaft 224, an intermediate gear 225, an intermediate thread insert 226, and a nozzle insert 227; the first chain wheel 221 is in transmission connection with the driving assembly 10, the second chain wheel 223 is in transmission connection with the first chain wheel 221 through the chain 222, the lower end of the rotating shaft 224 is fixedly connected with the second chain wheel 223, the upper end of the rotating shaft is connected with the middle thread insert 226, the middle gear 225 is sleeved on the middle part of the rotating shaft 224, and the left transmission part 21 and the right transmission part 23 are in transmission connection with the middle gear 225; the water gap insert 227 is sleeved on the middle screw insert 226, and the lower end of the runner rod 31 penetrates through the water gap insert 227 and is movably connected with the middle screw insert 226.
Specifically, the first chain wheel 221 is in transmission connection with the driving assembly 10, the second chain wheel 223 is in transmission connection with the first chain wheel 221 through a chain 222, the lower end of a rotating shaft 224 is fixedly connected with the second chain wheel 223, the upper end of the rotating shaft is connected with an intermediate screw insert 226, the middle of the rotating shaft 224 is sleeved with an intermediate gear 225, the left transmission part 21 and the right transmission part 23 are in transmission connection with the intermediate gear 225, a water gap insert 227 is sleeved on the intermediate screw insert 226, the lower end of the runner rod 31 penetrates through the water gap insert 227 and is movably connected with the intermediate screw insert 226, the transmission is stable and efficient, the overall structure is compact, and the space is saved.
Referring to fig. 1 to 4, the intermediate screw threads 2261 are disposed at the upper end of the intermediate screw thread insert 226, and the lower end of the runner rod 31 penetrates through the gate insert 227 to be movably connected with the intermediate screw threads 2261.
Specifically, the middle screw threads 2261 are opposite to the left screw threads 2121, and have the same thread pitch, the middle screw threads 2261 drive the runner rod 31 to move upwards synchronously with the cavity mold 32 in the rotation process until the runner rod 31 is separated from the gate insert 227, and meanwhile, the runner rod 31 is driven to the gate insert 227 in the mold opening process, and the rotation shaft 224 drives the middle screw threads 2261 to rotate synchronously when rotating.
Referring to fig. 2 to 4, the rotating shaft 224 is further sleeved with two intermediate bearings 228 respectively disposed on the upper and lower surfaces of the intermediate gear 225.
Specifically, the intermediate gear 225 is connected to the rotating shaft 224 through a key, and the intermediate bearing 228 is used for positioning the intermediate gear 225 and the rotating shaft 224, so as to position the radial swing and the axial movement of the intermediate thread insert 226 and the rotating shaft 224 during the rotation process.
Referring to fig. 2 to 4, the left transmission portion 21 includes a left gear 211 and a left thread insert 212; the left gear 211 is sleeved on the left thread insert 212, the left gear 211 is meshed with the middle gear 225, and the left thread insert 212 is movably connected with the left cavity mold 321.
Specifically, the left gear 211 is engaged with the intermediate gear 225, and is used for transmitting the rotation power between the rotation shaft 224 and the left thread insert 212, so that the transmission is efficient and stable.
Referring to fig. 2 to 4, the left thread insert 212 is provided at an upper end thereof with a left thread 2121, and the left cavity mold 321 is movably connected to the left thread 2121.
Specifically, the left screw threads 2121 are used to drive the left cavity mold 321 upward during rotation until disengagement is achieved.
Referring to fig. 2 to 4, the left thread insert 212 is further sleeved with three left bearings 213, two of which are respectively located on the upper and lower surfaces of the left gear 211, and the other is located below the left thread 2121.
Specifically, the left bearing 213 is used for positioning the left gear 211 and the left threaded insert 212, and plays a role in positioning radial oscillation and axial movement of the left threaded insert 212 in the rotation process.
Referring to fig. 1 to 3, the driving assembly 10 includes a motor 11 and a motor fixing plate 12, the motor 11 is connected to the motor fixing plate 12, an output shaft 111 is disposed on the motor 11, and the output shaft 111 is fixedly connected to the first sprocket 221.
Specifically, the motor 11 is fixed on the motor fixing plate 12 by screws, and the output shaft 111 is fixedly connected with the first chain wheel 221 by a key, so that the transmission is stable and efficient.
Referring to fig. 1, the screw thread product molding structure further includes a supporting plate 40, a top plate 50 and a bottom plate 60; the motor fixing plate 12 is fixed on the supporting plate 40 through screws, the top plate 50 is located above the supporting plate 40 and connected through screws, and the bottom plate 60 is located below the supporting plate 40 and connected through screws, so that the connection is firm and the sealing effect is strong.
Specifically, a portion of the runner bar 31 and the cavity mold 32 protrudes from the top plate 50, so that the runner bar 31 and the cavity mold 32 can be separated from each other.
Referring to fig. 1 to 5, the molding structure of the thread product forces the runner rod 31 and the cavity mold 32 to move upward through the in-situ rotation motion of the middle thread insert 226, the left thread insert 226 and the right thread insert (the thread glue position is forced and extruded during the rotation of the thread insert, only the cavity mold 32 can be driven to move upward to be disengaged because the thread insert does not move axially, and then the thread product is taken out.
The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.
Claims (10)
1. A screw tooth product molding structure is characterized by comprising: the driving assembly, the transmission assembly and the die assembly; the transmission assembly is in transmission connection with the driving assembly, and the die assembly is movably connected with the transmission assembly; the mould assembly comprises a runner rod and a cavity mould; the runner rod and the cavity mold are movably connected with the transmission assembly, and the runner rod is communicated with an external injection molding machine and used for injecting glue to the cavity mold so as to form a product.
2. The screw thread product molding structure of claim 1, wherein the transmission assembly comprises a left transmission part, a middle transmission part and a right transmission part; the middle transmission part is in transmission connection with the driving assembly, and the left transmission part and the right transmission part are in transmission connection with the middle transmission part; the runner rod with middle transmission portion swing joint, the die cavity mould includes left die cavity mould and right die cavity mould, left side die cavity mould with left transmission portion swing joint, right side die cavity mould with right transmission portion swing joint, the runner rod with left die cavity mould and right die cavity mould cooperate.
3. The molding structure of a threaded product according to claim 2, wherein the left and right transmission portions are identical in structure, and the left and right cavity molds are identical in structure.
4. The structure according to claim 3, wherein the intermediate transmission part comprises a first sprocket, a chain, a second sprocket, a rotary shaft, an intermediate gear, an intermediate screw insert and a nozzle insert; the first chain wheel is in transmission connection with the driving assembly, the second chain wheel is in transmission connection with the first chain wheel through the chain, the lower end of the rotating shaft is fixedly connected with the second chain wheel, the upper end of the rotating shaft is connected with the middle screw tooth insert, the middle gear is sleeved in the middle of the rotating shaft, and the left transmission part and the right transmission part are in transmission connection with the middle gear; the water gap insert is sleeved on the middle screw thread insert, and the lower end of the flow passage rod penetrates through the water gap insert and is movably connected with the middle screw thread insert.
5. The molding structure of a threaded product according to claim 4, wherein the upper end of the middle thread insert is provided with a middle thread, and the lower end of the runner rod penetrates into the gate insert to be movably connected with the middle thread.
6. The structure as claimed in claim 4, wherein the rotary shaft further comprises two intermediate bearings respectively disposed on the upper and lower surfaces of the intermediate gear.
7. The molding structure for threaded products according to claim 4, wherein said left transmission portion comprises a left gear and a left threaded insert; the left gear is sleeved on the left thread insert, the left gear is meshed with the intermediate gear, and the left thread insert is movably connected with the left cavity mold.
8. The molding structure of a threaded product according to claim 7, wherein a left thread is provided at an upper end of the left thread insert, and the left cavity mold is movably connected to the left thread.
9. The molding structure of a threaded product according to claim 8, wherein three left bearings are further sleeved on the left threaded insert, two of the three left bearings are respectively located on the upper surface and the lower surface of the left gear, and the other left bearing is located below the left thread.
10. The screw product molding structure according to claim 4, wherein the driving assembly includes a motor and a motor fixing plate, the motor is connected to the motor fixing plate, the motor is provided with an output shaft, and the output shaft is fixedly connected to the first sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222468997.6U CN218053762U (en) | 2022-09-16 | 2022-09-16 | Thread product forming structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222468997.6U CN218053762U (en) | 2022-09-16 | 2022-09-16 | Thread product forming structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218053762U true CN218053762U (en) | 2022-12-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222468997.6U Active CN218053762U (en) | 2022-09-16 | 2022-09-16 | Thread product forming structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218053762U (en) |
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2022
- 2022-09-16 CN CN202222468997.6U patent/CN218053762U/en active Active
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