CN215825858U - Speed change gear combined thread side core-pulling mechanism - Google Patents
Speed change gear combined thread side core-pulling mechanism Download PDFInfo
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- CN215825858U CN215825858U CN202121651078.1U CN202121651078U CN215825858U CN 215825858 U CN215825858 U CN 215825858U CN 202121651078 U CN202121651078 U CN 202121651078U CN 215825858 U CN215825858 U CN 215825858U
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- gear
- core
- rack
- thread
- pulling mechanism
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Abstract
The utility model discloses a speed change gear combined thread side core-pulling mechanism, which comprises: the thread core, a pair of mounting plates and the transmission assembly located between the mounting plates are paired, the transmission assembly comprises a rack, a first gear, a second gear and a gear shaft, the rack is inserted in the mounting plates in a sliding mode and meshed with the gear shaft, the first gear is fixedly connected with the gear shaft in a coaxial mode, the second gear is fixedly mounted at one end of the thread core and meshed with the first gear, a copper sleeve is fixedly mounted on the mounting plates, and the copper sleeve is sleeved on the thread core in a threaded mode. This change gear combination screw thread side mechanism of loosing core simple structure, reasonable in design is ingenious, shortens the stroke of rack greatly, reduces the mould volume, reduction in production cost to can improve the screw thread core rotational speed and then realize the purpose of quick drawing of patterns.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a speed change gear combined thread side core-pulling mechanism.
Background
With the development of the mold industry, the technology is continuously improved, the mold structure converts general manual operation into full mechanical motion, and uncertain factors caused by manual operation are overcome, so that the stability of the size of a product, the appearance requirement and long-time batch production are ensured. The injection mold is a common mold for molding plastic products, and the plastic products with various forms can be molded through the injection mold so as to meet various requirements of people.
For a product with a side thread structure, a thread side core-pulling mechanism needs to be designed on a die so as to form the side thread structure of the product and ensure smooth demolding. When the number of threads of the thread structure on the upper side of the product is large, especially for the product with a plurality of thread structures on all sides, the stroke of the existing thread side core-pulling mechanism is long when the thread side core-pulling mechanism acts, the structure is complex, the size of the mold is large, and the cost of the mold is increased. Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.
Disclosure of Invention
The utility model aims to solve the problem of providing a speed change gear combined thread side core-pulling mechanism so as to overcome the defects of complicated structure, long stroke, larger mold volume and increased mold cost of the conventional thread side core-pulling mechanism.
The technical scheme adopted by the utility model for solving the technical problem is as follows: a speed change gear combined thread side core-pulling mechanism comprises: the thread core, a pair of mounting plates and the transmission assembly located between the mounting plates are paired, the transmission assembly comprises a rack, a first gear, a second gear and a gear shaft, the rack is inserted in the mounting plates in a sliding mode and meshed with the gear shaft, the first gear is fixedly connected with the gear shaft in a coaxial mode, the second gear is fixedly mounted at one end of the thread core and meshed with the first gear, a copper sleeve is fixedly mounted on the mounting plates, and the copper sleeve is sleeved on the thread core in a threaded mode.
As a further improvement of the present invention, the number of teeth of the first gear is larger than the number of teeth of the second gear.
As a further improvement of the present invention, the number of teeth of the first gear is three times the number of teeth of the second gear.
As a further improvement of the utility model, the rack is arranged along the vertical direction, the top end of the rack is fixedly provided with a shovel base, and the shovel base is connected with the movable template.
As a further improvement of the utility model, bearings are sleeved between the second gear and the mounting plate and between the gear shaft and the mounting plate.
As a further improvement of the utility model, a containing groove is arranged on one of the mounting plates positioned at the inner side, the copper sleeve is fixed in the containing groove, a pressing block is assembled at the outer side of the containing groove, and one end of the threaded core sequentially penetrates through the mounting plate and the pressing block.
As a further improvement of the utility model, one mounting plate positioned at the outer side is provided with a position avoiding hole, and one end of the threaded core is positioned in the position avoiding hole and can slide relatively.
The utility model has the beneficial effects that: the utility model provides a speed change gear combined thread side core pulling mechanism which is provided with a thread core and a transmission assembly, wherein the transmission assembly is composed of a rack, a gear shaft, a first gear and a second gear which are sequentially connected for transmission, the rack can drive the gear shaft to rotate when moving, the thread core is driven to rotate by the first gear and the second gear, and the thread structure on a formed product is removed by horizontally moving the thread core to the right under the action of a copper sleeve; by setting the gear ratio of the first gear and the second gear, the stroke of the rack is greatly shortened, the size of a die is reduced, the production cost is reduced, and the rotating speed of the thread core can be increased so as to realize the purpose of quick demoulding; meanwhile, the number of the side core-pulling mechanisms can be increased, and the injection molding machine is suitable for injection molding of products with multi-side thread structures.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention with the outer mounting plate removed;
FIG. 3 is an exploded view of the present invention;
fig. 4 is a cross-sectional view of the present invention.
The following description is made with reference to the accompanying drawings:
1-a thread core; 2-mounting plate;
201-a receiving groove; 202-avoiding hole;
3-a rack; 4-first gear;
5-second gear; 6-gear shaft;
7-copper sheathing; 8-shovel base;
9-a bearing; 10-briquetting.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 4, the present invention provides a speed change gear combined thread side core pulling mechanism, installed in an injection mold, including: thread core 1, a pair of mounting panel 2 and drive assembly are provided with the mounting groove between two mounting panels 2, and drive assembly installs in the mounting groove. The left end of screw core 1 is provided with screw thread portion for the side thread structure of shaping product, the right-hand member of screw core 1 alternates on two mounting panels 2.
Referring to fig. 2 and 3, the transmission assembly includes a rack 3, a first gear 4, a second gear 5 and a gear shaft 6, the rack 3 is slidably inserted in the mounting plates 2 along a vertical direction, the gear shaft 6 is rotatably mounted between the two mounting plates 2, and the gear shaft 6 is engaged with the rack 3. The first gear 4 is coaxially and fixedly connected with a gear shaft 6, and the second gear 5 is fixedly arranged at one end part of the thread core 1 and meshed with the first gear 4. A copper sleeve 7 is fixedly mounted on the mounting plate 2 close to the inner side, an internal thread is arranged on the copper sleeve 7, an external thread is arranged on the thread core 1 corresponding to the copper sleeve 7, and the copper sleeve 7 is sleeved on the thread core 1 in a threaded mode. The rack 3 drives the gear shaft 6 and the first gear 4 to synchronously rotate in the upward sliding process, then the first gear 4 drives the thread core 1 to rotate through the second gear 5, and the thread core 1 horizontally moves rightwards under the action of the copper sleeve 7 to be separated from a thread structure on a formed product. The number of teeth of the first gear 4 is greater than that of the second gear 5, and the specific number of teeth of the first gear 4 is three times that of the second gear 5, so that the stroke of the rack 3 can be greatly shortened, the size of a die is reduced, and the production cost is reduced; meanwhile, the rack 3 drives the first gear 4 to rotate at a speed three times that of the threaded core 1, so that the purpose of rapid demoulding can be achieved.
Referring to fig. 1, the rack 3 is arranged in a vertical direction, a shovel base 8 is fixedly installed at the top end of the rack, and the shovel base 8 is connected with the movable template. When the mold is opened, the movable mold plate moves upwards to open the mold, the shovel base 8 and the rack 3 are synchronously driven to move upwards to complete the side core pulling action, and the driving power does not need to be independently increased.
Referring to fig. 3, bearings 9 are respectively sleeved between the second gear 5 and the mounting plate 2 and between the gear shaft 6 and the mounting plate 2, so that the stability of rotation of the second gear 5 and the gear shaft 6 is improved. An installation plate 2 positioned on the inner side is provided with a containing groove 201, a copper sleeve 7 is fixed in the containing groove 201, a pressing block 10 is assembled on the outer side of the containing groove 201, a bearing 9 is also arranged between the second gear 5 and the pressing block 10, and one end of the threaded core 1 sequentially penetrates through the installation plate 2 and the pressing block 10. Be located and be provided with on the mounting panel 2 in the outside and keep away a hole 202, the one end of screw core 1 is located keeps away and keeps away in hole 202 and slidable relatively, keeps away and keeps away the hole 202 and can dodge for screw core 1 when loosing core right.
The working principle of the embodiment is as follows: when the mold is opened, the movable mold plate moves upwards to drive the shovel base 8 and the rack 3 to move upwards synchronously, the rack 3 drives the gear shaft 6 and the first gear 4 to rotate synchronously, then the first gear 4 drives the thread core 1 to rotate through the second gear 5, and under the action of the copper sleeve 7, the thread core 1 moves horizontally and rightwards to be separated from a thread structure on a molded product.
Therefore, the speed change gear combined thread side core pulling mechanism is provided with the thread core and the transmission assembly, the transmission assembly is composed of the rack, the gear shaft, the first gear and the second gear which are sequentially connected for transmission, the gear shaft can be driven to rotate when the rack moves, the thread core is driven to rotate by the first gear and the second gear, and the thread structure on a formed product is removed by horizontally moving the thread core to the right under the action of the copper sleeve, so that the structure is simple, the design is reasonable and ingenious, and the smooth demolding of the product can be ensured; by setting the gear ratio of the first gear and the second gear, the stroke of the rack is greatly shortened, the size of a die is reduced, the production cost is reduced, and the rotating speed of the thread core can be increased so as to realize the purpose of quick demoulding; meanwhile, the number of the side core-pulling mechanisms can be increased, and the injection molding machine is suitable for injection molding of products with multi-side thread structures.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the utility model, which can be embodied in many different forms than described herein, and therefore the utility model is not limited to the specific embodiments disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a change gear combination screw thread side mechanism of loosing core which characterized in that includes: threaded core (1), a pair of mounting panel (2) and be located a pair of drive assembly between mounting panel (2), drive assembly includes rack (3), first gear (4), second gear (5) and gear shaft (6), rack (3) slide alternate on mounting panel (2) and with gear shaft (6) meshing, first gear (4) with the coaxial fixed connection of gear shaft (6), second gear (5) fixed mounting be in threaded core (1) a tip and with first gear (4) meshing, fixed mounting has copper sheathing (7) on mounting panel (2), copper sheathing (7) thread suit is in on threaded core (1).
2. The change gear combination thread side core pulling mechanism according to claim 1, characterized in that: the number of teeth of the first gear (4) is greater than that of the second gear (5).
3. The change gear combination thread side core pulling mechanism according to claim 2, characterized in that: the number of teeth of the first gear (4) is three times the number of teeth of the second gear (5).
4. The change gear combination thread side core pulling mechanism according to claim 1, characterized in that: the rack (3) is arranged along the vertical direction, a shovel base (8) is fixedly mounted at the top end of the rack, and the shovel base (8) is connected with the movable template.
5. The change gear combination thread side core pulling mechanism according to claim 1, characterized in that: and bearings (9) are sleeved between the second gear (5) and the gear shaft (6) and between the mounting plates (2).
6. The change gear combination thread side core pulling mechanism according to claim 1, characterized in that: be located inboard one be provided with storage tank (201) on mounting panel (2), copper sheathing (7) are fixed in storage tank (201), and storage tank (201) outside is equipped with briquetting (10), the one end of screw core (1) is run through in proper order mounting panel (2) with briquetting (10).
7. The change gear combination thread side core pulling mechanism according to claim 1, characterized in that: one of the mounting plates (2) positioned on the outer side is provided with a position avoiding hole (202), and one end of the thread core (1) is positioned in the position avoiding hole (202) and can slide relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121651078.1U CN215825858U (en) | 2021-07-20 | 2021-07-20 | Speed change gear combined thread side core-pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121651078.1U CN215825858U (en) | 2021-07-20 | 2021-07-20 | Speed change gear combined thread side core-pulling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215825858U true CN215825858U (en) | 2022-02-15 |
Family
ID=80192329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121651078.1U Expired - Fee Related CN215825858U (en) | 2021-07-20 | 2021-07-20 | Speed change gear combined thread side core-pulling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215825858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619638A (en) * | 2022-03-10 | 2022-06-14 | 深圳市众为精密科技有限公司 | 5G mobile phone precision structural part based on composite core-pulling mechanism inner wall demoulding |
| CN115042385A (en) * | 2022-06-10 | 2022-09-13 | 浙江金马泰科技有限公司 | A toy tire cover air cap structure injection mold |
-
2021
- 2021-07-20 CN CN202121651078.1U patent/CN215825858U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619638A (en) * | 2022-03-10 | 2022-06-14 | 深圳市众为精密科技有限公司 | 5G mobile phone precision structural part based on composite core-pulling mechanism inner wall demoulding |
| CN114619638B (en) * | 2022-03-10 | 2024-03-26 | 深圳市众为精密科技有限公司 | 5G mobile phone precise structural member based on inner wall demolding of composite core-pulling mechanism |
| CN115042385A (en) * | 2022-06-10 | 2022-09-13 | 浙江金马泰科技有限公司 | A toy tire cover air cap structure injection mold |
| CN115042385B (en) * | 2022-06-10 | 2022-12-09 | 浙江金马泰科技有限公司 | Injection mold for a toy tire cover air cap structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220215 |