CN115122587A - Deep tooth product mould hank tooth drive mechanism - Google Patents
Deep tooth product mould hank tooth drive mechanism Download PDFInfo
- Publication number
- CN115122587A CN115122587A CN202110326149.9A CN202110326149A CN115122587A CN 115122587 A CN115122587 A CN 115122587A CN 202110326149 A CN202110326149 A CN 202110326149A CN 115122587 A CN115122587 A CN 115122587A
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- China
- Prior art keywords
- gear
- tooth
- twisting
- thread
- transmission mechanism
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Classifications
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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
- B29C45/2618—Moulds having screw-threaded mould walls
- B29C45/262—Moulds having screw-threaded mould walls provided with unscrewing drive means
-
- 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
- B29L2001/00—Articles provided with screw threads
Abstract
The invention discloses a deep-tooth product mold thread-twisting transmission mechanism, which relates to the field of injection molding. The rear die is provided with an independent hydraulic transmission mechanism, and when the rack drives the gear shaft and the thread twisting shaft to rotate, the thread twisting gear can move up and down relative to the second gear, so that the technical problems of unsmooth transmission and short transmission service life of products with large depth of the processed thread gauge are thoroughly solved.
Description
Technical Field
The invention relates to the field of injection molding, in particular to a deep-tooth product mold twisting transmission mechanism.
Background
The threading die is mainly used for machining threads with specific sizes on products according to specific requirements. The threads of the product machined by the threading die need to have high dimensional accuracy so that the product can be adapted to the corresponding part. When the injection mold is opened, the tooth core connected with the product tooth pattern is difficult to withdraw and separate from the product. At present, for a deep tooth product, the product has high technical difficulty on a die tooth twisting transmission mechanism due to the fact that the depth of a tooth gauge is larger than 2mm, the deep tooth product with high density and strong holding force is required to be realized, the problems of unsmooth transmission and short transmission service life are solved, and the processing of an injection molding product with large depth of the tooth gauge cannot be met.
Disclosure of Invention
The invention aims to provide a deep-tooth product mold twisting transmission mechanism to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme: the deep-tooth product die is provided with a thread twisting transmission mechanism, the rear die is provided with the thread twisting transmission mechanism, the thread twisting transmission mechanism comprises a cycloid hydraulic motor, a gear shaft, a driving gear, a first gear, a second gear, a rack, a fixed seat, a thread twisting shaft and a thread twisting gear, the side surface of the rear die is provided with the cycloid hydraulic motor, the rear die is rotatably provided with the gear shaft, a transmission shaft of the cycloid hydraulic motor is connected with the driving gear, the gear shaft is provided with the first gear and the second gear, the driving gear is connected with the first gear through the rack, one side of the gear shaft, which is far away from the rack, is fixedly provided with a plurality of fixed seats, each fixed seat is connected with the thread twisting shaft, each twisting shaft is fixedly provided with a thread twisting gear meshed with the second gear, one end of the thread twisting shaft, which is far away from the fixed seats, is provided with a thread section, one end of the twisting shaft, which is close to the fixed seats, is provided with an external thread section, each fixing base is provided with a thread through hole in threaded connection with the external thread section, and the second gear moves axially along the twisted tooth gear when the second gear is in meshing transmission with the twisted tooth gear. Be equipped with independent hydraulic drive mechanism on the back mould, when the rack drove gear shaft and hank tooth axle rotatory, hank tooth gear can reciprocate relatively the second gear, makes the shaping screw thread of hank tooth axle upper end can be followed the product and unscrewed out, thoroughly improves the not smooth and short-lived technological problem processing of transmission of the great product of processing tooth gauge degree of depth.
Furthermore, a first guide block and a second guide block are embedded on the rack at intervals, a first sliding groove corresponding to the first guide block is formed in the rear die, and a second sliding groove corresponding to the second guide block is formed in the rear die.
Further, the thread twisting transmission mechanism further comprises a limiting seat, the limiting seat is embedded in the rear die, a round table-shaped through hole is formed in the middle of the limiting seat, a limiting portion is arranged on the thread twisting shaft and arranged between the thread twisting threads and the thread twisting gear, and the radius of one end, close to the thread twisting threads, of the limiting portion is gradually decreased and is attached to the hole wall of the round table-shaped through hole.
Furthermore, the tooth twisting transmission mechanism further comprises a supporting plate, the supporting plate is arranged on the side face of the rear die, and the cycloid hydraulic motor is arranged on the supporting plate.
Furthermore, a limiting groove is formed in the surface, far away from the cycloid hydraulic motor, of the supporting plate, a guide plane is arranged in the limiting groove, and the surface, far away from the tooth profile, of the rack is a smooth plane in contact with the guide plane.
Further, the effective thread length of the external thread section is equal to the tooth width of the second gear.
Furthermore, hank tooth drive mechanism still includes the stopper, one side that the gear shaft was kept away from to the rack is equipped with a plurality of stoppers, the stopper sets up along the direction array of rack length, the stopper is the cuboid, the stopper side all contacts with smooth plane.
Further, the transmission ratio of the second gear to the first gear is 2.5-3.0.
Furthermore, the fixing seat is embedded on the rear die, a rotary groove corresponding to the fixing seat is formed in the rear die, and the axial section of the rotary groove is in a convex shape.
The invention has the beneficial effects that: be equipped with independent hydraulic drive mechanism on the back mould, the rack passes through first gear drive gear shaft, sets up the second gear on the gear shaft, set up on the hank tooth axle can with the hank tooth gear of second gear meshing, hank tooth gear reciprocates relatively the second gear when the hank tooth axle is rotatory, makes the shaping screw thread of hank tooth epaxial end can follow the product and unscrews, thoroughly improves the transmission of the great product of processing tooth gauge degree of depth and does not follow in order and the technological problem processing of transmission short-lived.
Drawings
The figures further illustrate the invention, but the examples in the figures do not constitute any limitation of the invention.
FIG. 1 is a top view of an embodiment of the present invention;
FIG. 2 is a bottom view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of one embodiment of the present invention;
fig. 4 is a cross-sectional view B-B provided in accordance with an embodiment of the present invention.
The labels in the figure are: the hydraulic motor comprises a cycloid hydraulic motor 1, a gear shaft 2, a driving gear 3, a first gear 4, a second gear 5, a rack 6, a fixed seat 7, a twisted-tooth shaft 8, a twisted-tooth gear 9 and twisted-tooth threads 10.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower, left, right" used herein generally refer to the upper, lower, left, and right directions as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal" and "proximal" refer to distal and proximal with respect to a component.
Example 1
As shown in fig. 1-4, a deep tooth product mold tooth twisting transmission mechanism provided in an embodiment of the present invention includes a tooth twisting transmission mechanism disposed on a rear mold, the tooth twisting transmission mechanism includes a cycloid hydraulic motor 1, a gear shaft 2, a driving gear 3, a first gear 4, a second gear 5, a rack 6, a fixed seat 7, a tooth twisting shaft 8 and a tooth twisting gear 9, the cycloid hydraulic motor 1 is disposed on a side surface of the rear mold, the gear shaft 2 is rotatably disposed on the rear mold, a transmission shaft of the cycloid hydraulic motor 1 is connected with the driving gear 3, the gear shaft 2 is disposed with the first gear 4 and the second gear 5, the driving gear 3 is connected with the first gear 4 through the rack 6, a plurality of fixed seats 7 are fixedly disposed on a side of the gear shaft 2 away from the rack 6, each of the fixed seats 7 is connected with the tooth twisting shaft 8, each tooth twisting shaft 8 is fixedly disposed with a tooth twisting gear 9 engaged with the second gear 5, one end of the twisted tooth shaft 8, which is far away from the fixed seat 7, is provided with twisted tooth threads 10, one end of the twisted tooth shaft 8, which is close to the fixed seat 7, is provided with external thread sections, each of the fixed seat 7 is provided with a thread through hole in threaded connection with the external thread sections, and the second gear 5 moves along the shaft 2 direction of the twisted tooth gear 9 when the second gear 5 is in meshing transmission with the twisted tooth gear 9.
The rack 6 is embedded with a first guide block and a second guide block at intervals, the rear die is provided with a first sliding groove corresponding to the first guide block, and the rear die is provided with a second sliding groove corresponding to the second guide block.
The thread twisting transmission mechanism further comprises a limiting seat, the limiting seat is embedded in the rear die, a round table-shaped through hole is formed in the middle of the limiting seat, a limiting portion is arranged on the thread twisting shaft 8 and arranged between the thread twisting thread 10 and the thread twisting gear 9, and the radius of one end, close to the thread twisting thread 10, of the limiting portion is gradually decreased and is attached to the hole wall of the round table-shaped through hole.
The tooth twisting transmission mechanism further comprises a supporting plate, the supporting plate is fixed on the side face of the rear die through a screw, and the cycloid hydraulic motor 1 is arranged on the supporting plate.
The surface of the supporting plate, which is far away from the cycloid hydraulic motor 1, is provided with a limiting groove, a guide plane is arranged in the limiting groove, and the surface, which is far away from the tooth profile, of the rack 6 is a smooth plane which is in contact with the guide plane.
The effective thread length of the male thread section is equal to the tooth width of the second gear wheel 5.
Hank tooth drive mechanism still includes the stopper, the one side that gear shaft 2 was kept away from to rack 6 is equipped with a plurality of stoppers, the stopper sets up along the direction array of 6 lengths of rack, the stopper is the cuboid, the stopper side all contacts with smooth plane.
The first gear 4 is connected with the gear shaft 2 in an integral molding way. The transmission ratio of the second gear 5 and the first gear 4 is 2.7.
The fixing seat 7 is embedded on the rear die, a rotary groove corresponding to the fixing seat 7 is formed in the rear die, and the axial section of the rotary groove is in a convex shape.
Example 2
The transmission ratio of the second gear 5 and the first gear 4 is 2.5.
Example 3
The transmission ratio of the second gear 5 and the first gear 4 is 3.0.
Example 4
The transmission ratio of the second gear 5 and the first gear 4 is 2.8.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. Dark tooth product mould hank tooth drive mechanism, its characterized in that: the rear die is provided with a twisting tooth transmission mechanism, the twisting tooth transmission mechanism comprises a cycloid hydraulic motor, a gear shaft, a driving gear, a first gear, a second gear, a rack, fixing seats, a twisting tooth shaft and a twisting tooth gear, the side surface of the rear die is provided with the cycloid hydraulic motor, the rear die is rotatably provided with the gear shaft, the transmission shaft of the cycloid hydraulic motor is connected with the driving gear, the gear shaft is provided with the first gear and the second gear, the driving gear is connected with the first gear through the rack, one side of the gear shaft, which is far away from the rack, is fixedly provided with a plurality of fixing seats, each fixing seat is connected with the twisting tooth shaft, each twisting tooth shaft is fixedly provided with the twisting tooth gear meshed with the second gear, one end of the twisting tooth shaft, which is far away from the fixing seats, is provided with a twisting tooth thread, one end of the twisting tooth shaft, which is close to the fixing seats, is provided with an external thread section, each fixing seat is provided with a thread through hole in threaded connection with the external thread section, and when the second gear is in meshing transmission with the thread gear, the second gear moves along the axial direction of the thread gear.
2. The deep-tooth product mold threading transmission mechanism of claim 1, characterized in that: the rack is embedded with a first guide block and a second guide block at intervals, the rear die is provided with a first sliding groove corresponding to the first guide block, and the rear die is provided with a second sliding groove corresponding to the second guide block.
3. The deep tooth product mold threading transmission mechanism of claim 1, characterized in that: the thread twisting transmission mechanism further comprises a limiting seat, the limiting seat is embedded in the rear die, a round table-shaped through hole is formed in the middle of the limiting seat, a limiting portion is arranged on the thread twisting shaft and arranged between the thread twisting thread and the thread twisting gear, and the radius of one end, close to the thread twisting thread, of the limiting portion is gradually decreased and is attached to the hole wall of the round table-shaped through hole.
4. The deep tooth product mold threading transmission mechanism of claim 1, characterized in that: the tooth twisting transmission mechanism further comprises a supporting plate, the supporting plate is arranged on the side face of the rear die, and the cycloid hydraulic motor is arranged on the supporting plate.
5. The deep-tooth product mold threading transmission mechanism of claim 4, wherein: the surface of the supporting plate, which is far away from the cycloid hydraulic motor, is provided with a limiting groove, a guide plane is arranged in the limiting groove, and the surface, which is far away from the tooth profile, of the rack is a smooth plane which is in contact with the guide plane.
6. The deep-tooth product mold threading transmission mechanism of claim 1, characterized in that: the effective thread length of the external thread section is equal to the tooth width of the second gear.
7. The deep-tooth product mold threading transmission mechanism of claim 1, characterized in that: the tooth twisting transmission mechanism further comprises a limiting block, a plurality of limiting blocks are arranged on one side, away from the gear shaft, of the rack, the limiting blocks are arranged along the direction of the length of the rack in an array mode, the limiting blocks are cuboid, and the side faces of the limiting blocks are all in contact with the smooth plane.
8. The deep-tooth product mold threading transmission mechanism of claim 1, characterized in that: the transmission ratio of the second gear to the first gear is 2.5-3.0.
9. The deep-tooth product mold threading transmission mechanism of claim 1, characterized in that: the fixing seat is embedded on the rear die, a rotary groove corresponding to the fixing seat is formed in the rear die, and the axial section of the rotary groove is in a convex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110326149.9A CN115122587A (en) | 2021-03-26 | 2021-03-26 | Deep tooth product mould hank tooth drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110326149.9A CN115122587A (en) | 2021-03-26 | 2021-03-26 | Deep tooth product mould hank tooth drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115122587A true CN115122587A (en) | 2022-09-30 |
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ID=83373902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110326149.9A Pending CN115122587A (en) | 2021-03-26 | 2021-03-26 | Deep tooth product mould hank tooth drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115122587A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873836A (en) * | 2012-09-19 | 2013-01-16 | 宁波双林模具有限公司 | Threaded core start angle device with precise resetting function |
| CN205238442U (en) * | 2015-12-15 | 2016-05-18 | 厦门开捷塑胶制品有限公司 | Injection mold's hank tooth mechanism |
| CN106079297A (en) * | 2016-07-27 | 2016-11-09 | 厦门唯科模塑科技有限公司 | Compound demolding structure |
| CN205969749U (en) * | 2016-07-25 | 2017-02-22 | 广东百事泰电子商务股份有限公司 | Automatic take off injection mold of screw thread |
| CN210211172U (en) * | 2019-05-15 | 2020-03-31 | 厦门诚胜鑫模具有限公司 | Threading slider die structure |
| CN210651720U (en) * | 2019-09-12 | 2020-06-02 | 厦门精卫模具有限公司 | Internal thread automatic core-pulling die |
| CN111300758A (en) * | 2020-03-20 | 2020-06-19 | 广东博智林智能制造有限公司 | Screw thread core-pulling mechanism and injection mold |
| CN111497154A (en) * | 2020-05-27 | 2020-08-07 | 上海应用技术大学 | Internal threaded shedder of injection mold and injection production line |
| CN211542163U (en) * | 2019-12-04 | 2020-09-22 | 昆山咏联电子塑胶有限公司 | High-precision tooth twisting mold |
-
2021
- 2021-03-26 CN CN202110326149.9A patent/CN115122587A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873836A (en) * | 2012-09-19 | 2013-01-16 | 宁波双林模具有限公司 | Threaded core start angle device with precise resetting function |
| CN205238442U (en) * | 2015-12-15 | 2016-05-18 | 厦门开捷塑胶制品有限公司 | Injection mold's hank tooth mechanism |
| CN205969749U (en) * | 2016-07-25 | 2017-02-22 | 广东百事泰电子商务股份有限公司 | Automatic take off injection mold of screw thread |
| CN106079297A (en) * | 2016-07-27 | 2016-11-09 | 厦门唯科模塑科技有限公司 | Compound demolding structure |
| CN210211172U (en) * | 2019-05-15 | 2020-03-31 | 厦门诚胜鑫模具有限公司 | Threading slider die structure |
| CN210651720U (en) * | 2019-09-12 | 2020-06-02 | 厦门精卫模具有限公司 | Internal thread automatic core-pulling die |
| CN211542163U (en) * | 2019-12-04 | 2020-09-22 | 昆山咏联电子塑胶有限公司 | High-precision tooth twisting mold |
| CN111300758A (en) * | 2020-03-20 | 2020-06-19 | 广东博智林智能制造有限公司 | Screw thread core-pulling mechanism and injection mold |
| CN111497154A (en) * | 2020-05-27 | 2020-08-07 | 上海应用技术大学 | Internal threaded shedder of injection mold and injection production line |
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