CN204222085U - A kind of injection mold that accurately can control screw thread starting point - Google Patents
A kind of injection mold that accurately can control screw thread starting point Download PDFInfo
- Publication number
- CN204222085U CN204222085U CN201420169627.5U CN201420169627U CN204222085U CN 204222085 U CN204222085 U CN 204222085U CN 201420169627 U CN201420169627 U CN 201420169627U CN 204222085 U CN204222085 U CN 204222085U
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- CN
- China
- Prior art keywords
- synchronous
- gear
- thread core
- screw rod
- moving platen
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of injection mold that accurately can control screw thread starting point, it comprises moving platen, Bottom clamp plate, mold insert fixed head, backing plate, and moving platen is equipped with thread core, and thread core comprises threaded portion, outer gear portion; Backing plate is equipped with reducing motor, backing plate installing rotating shaft, reducing motor drive shaft is rotated, the first gear is installed in the upper end of rotating shaft, the synchronous nut of moving platen inlay card, synchronous nut is equipped with synchronous screw rod, and synchronous screw rod comprises threaded shank, driving section, the second gear is installed in the driving section of synchronous screw rod, and the first gear, the second gear engage with the outer gear portion of thread core respectively.During matched moulds, reducing motor drives thread core, synchronous bolt rotary by rotating shaft, and threaded portion is inserted in shaping mold cavity, and threaded shank is inserted in synchronous nut, final threaded shank is strained synchronous nut and is accurately located to make thread core and moving platen, and then accurately controls screw thread starting point; So the utility model has novel in structural design and reliable and stable advantage.
Description
Technical field
The utility model relates to injection mold technical field, particularly relates to a kind of injection mold that accurately can control screw thread starting point.
Background technology
For the shaping plasthetics with helicitic texture, injection mold generally carrys out the helicitic texture of forming plastic product by corresponding thread core; In the process of mold-closing injection, due to the effect of shaping mold cavity internal pressure, often there is skew in the position of thread core, and then cause the screw thread start position of the helicitic texture of batch plasthetics to differ.
For the product that the required precision of screw thread start position is high, existing injection mold structure is difficult to be suitable for.
Utility model content
The purpose of this utility model is to provide a kind of injection mold that accurately can control screw thread starting point for the deficiencies in the prior art, and this injection mold that accurately can control screw thread starting point can ensure accurately to control screw thread start position, and Stability Analysis of Structures is reliable.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of injection mold that accurately can control screw thread starting point, include the moving platen, Bottom clamp plate, mold insert fixed head and the backing plate that stack gradually layout from top to bottom, moving platen is fitted with thread core, and thread core includes the outer gear portion of the threaded portion extended in shaping mold cavity and the lower end side being positioned at threaded portion; Backing plate is fitted with reducing motor, the power output shaft of reducing motor is equiped with drive pulley, backing plate is equiped with rotating shaft rotatably, the bottom of rotating shaft is equiped with driven pulley, installed around Timing Belt between drive pulley and driven pulley, the upper end of rotating shaft is not equiped with the first gear rotatably; Moving platen inlay card has synchronous nut, synchronous nut is fitted with synchronous screw rod, synchronous screw rod includes threaded shank and is positioned at the driving section of lower end side of threaded shank, threaded shank and the synchronous nut screw connection of synchronous screw rod, driving section is not equiped with the second gear rotatably, the outer gear portion of thread core, the first gear and the second gear are installed between Bottom clamp plate and mold insert fixed head respectively rotatably, and the first gear and the second gear engage with the outer gear portion of thread core respectively.
Wherein, described reducing motor includes servomotor and decelerator, and the power input shaft of decelerator is connected with the power output shaft of servomotor, and described drive pulley is installed in the power output shaft of decelerator.
The beneficial effects of the utility model are: a kind of injection mold that accurately can control screw thread starting point described in the utility model, it comprises moving platen, Bottom clamp plate, mold insert fixed head and backing plate, moving platen is equipped with thread core, and thread core comprises threaded portion and outer gear portion; Backing plate is fitted with reducing motor, backing plate installing rotating shaft, reducing motor is rotated by synchronous belt drive mechanism drive shaft, the first gear is installed in the upper end of rotating shaft, the synchronous nut of moving platen inlay card, synchronous nut is equipped with synchronous screw rod, and synchronous screw rod comprises threaded shank and driving section, the second gear is installed in the driving section of synchronous screw rod, and the first gear and the second gear engage with the outer gear portion of thread core respectively.During matched moulds, reducing motor drives thread core and synchronous bolt rotary by rotating shaft, the threaded portion of thread core is inserted in shaping mold cavity, the threaded shank of synchronous screw rod is also inserted in synchronous nut, wherein, when complete matched moulds, the threaded shank of synchronous screw rod can strain synchronous nut, to make thread core and moving platen locate accurately, and then screw thread start position can be controlled exactly.Comprehensive above-mentioned situation is known, and the utility model can ensure accurately to control screw thread start position, and Stability Analysis of Structures is reliable.
Accompanying drawing explanation
Utilize accompanying drawing to be further detailed the utility model below, but the embodiment in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation at another visual angle of the utility model.
Fig. 3 is generalized section of the present utility model.
Fig. 4 is the enlarged diagram of Fig. 3 local location.
Include in Fig. 1 to Fig. 4:
1---moving platen 2---Bottom clamp plate
3---mold insert fixed head 4---backing plate
5---thread core 5a---threaded portion
5b---outer gear portion 6---reducing motor
6a---servomotor 6b---decelerator
7---drive pulley 8---rotating shaft
9---driven pulley 10---Timing Belt
The synchronous nut of 11---first gears 12---
13---synchronous screw rod 13a---threaded shank
13b---driving section 14---the second gear.
Detailed description of the invention
Below in conjunction with concrete embodiment, the utility model is described.
As shown in Figures 1 to 4, a kind of injection mold that accurately can control screw thread starting point, include the moving platen 1, Bottom clamp plate 2, mold insert fixed head 3 and the backing plate 4 that stack gradually layout from top to bottom, moving platen 1 is fitted with thread core 5, and thread core 5 includes the outer gear portion 5b of the threaded portion 5a extended in shaping mold cavity and the lower end side being positioned at threaded portion 5a; Backing plate 4 is fitted with reducing motor 6, the power output shaft of reducing motor 6 is equiped with drive pulley 7, backing plate 4 is equiped with rotating shaft 8 rotatably, the bottom of rotating shaft 8 is equiped with driven pulley 9, installed around Timing Belt 10 between drive pulley 7 and driven pulley 9, the upper end of rotating shaft 8 is not equiped with the first gear 11 rotatably; Moving platen 1 inlay card has synchronous nut 12, synchronous nut 12 is fitted with synchronous screw rod 13, synchronous screw rod 13 includes threaded shank 13a and is positioned at the driving section 13b of lower end side of threaded shank 13a, the threaded shank 13a of synchronous screw rod 13 coordinates with synchronous nut 12, driving section 13b is not equiped with the second gear 14 rotatably, the outer gear portion 5b of thread core 5, the first gear 11 and the second gear 14 are installed between Bottom clamp plate 2 and mold insert fixed head 3 respectively rotatably, and the first gear 11 and the second gear 14 engage with the outer gear portion 5b of thread core 5 respectively.
Further, reducing motor 6 includes servomotor 6a and decelerator 6b, and the power input shaft of decelerator 6b is connected with the power output shaft of servomotor 6a, and drive pulley 7 is installed in the power output shaft of decelerator 6b.
Below in conjunction with concrete course of action, the utility model is described in detail, be specially: reducing motor 6 action also drives drive pulley 7 to rotate, drive pulley 7 drives driven pulley 9 to rotate by Timing Belt 10, driven pulley 9 drive shaft 8 is rotated, and rotating shaft 8 drives the first gear 11 to rotate again; Rotating shaft 8 drives the outer gear portion 5b of thread core 5 to rotate by the first gear 11 and drives whole thread core 5 to rotate, and the outer gear portion 5b of thread core 5 finally drives the second gear 14 to rotate again, and the second gear 14 drives whole synchronous screw rod 13 to rotate again.In die sinking process, reducing motor 6 drives thread core 5 and synchronous screw rod 13 to rotate, and makes the threaded portion 5a of thread core 5 recess the helicitic texture of plasthetics and make the threaded shank 13a of synchronous screw rod 13 little by little recess synchronous nut 12; In the process of matched moulds, reducing motor 6 drives thread core 5 and synchronous screw rod 13 to rotate, the threaded portion 5a of thread core 5 is inserted in shaping mold cavity, the threaded shank 13a of synchronous screw rod 13 is also inserted in synchronous nut 12, wherein, coordinated with synchronous nut 12 by the threaded shank 13a of synchronous screw rod 13, when complete matched moulds, the threaded shank 13a of synchronous screw rod 13 can strain synchronous nut 12, to make thread core 5 and moving platen 1 locate accurately, and then screw thread start position can be controlled exactly.
Comprehensive above-mentioned situation is known, and the utility model can ensure accurately to control screw thread start position, and Stability Analysis of Structures is reliable.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (2)
1. one kind accurately can control the injection mold of screw thread starting point, it is characterized in that: include the moving platen (1), Bottom clamp plate (2), mold insert fixed head (3) and the backing plate (4) that stack gradually layout from top to bottom, moving platen (1) is fitted with thread core (5), and thread core (5) includes the outer gear portion (5b) of the threaded portion (5a) extended in shaping mold cavity and the lower end side being positioned at threaded portion (5a), backing plate (4) is fitted with reducing motor (6), the power output shaft of reducing motor (6) is equiped with drive pulley (7), backing plate (4) is equiped with rotating shaft (8) rotatably, the bottom of rotating shaft (8) is equiped with driven pulley (9), installed around Timing Belt (10) between drive pulley (7) and driven pulley (9), the upper end of rotating shaft (8) is not equiped with the first gear (11) rotatably, moving platen (1) inlay card has synchronous nut (12), synchronous nut (12) is fitted with synchronous screw rod (13), synchronous screw rod (13) includes threaded shank (13a) and is positioned at the driving section (13b) of lower end side of threaded shank (13a), the threaded shank (13a) of synchronous screw rod (13) coordinates with synchronous nut (12), driving section (13b) is not equiped with the second gear (14) rotatably, the outer gear portion (5b) of thread core (5), first gear (11) and the second gear (14) are installed between Bottom clamp plate (2) and mold insert fixed head (3) respectively rotatably, first gear (11) and the second gear (14) engage with the outer gear portion (5b) of thread core (5) respectively.
2. a kind of injection mold that accurately can control screw thread starting point according to claim 1, it is characterized in that: described reducing motor (6) includes servomotor (6a) and decelerator (6b), the power input shaft of decelerator (6b) is connected with the power output shaft of servomotor (6a), and described drive pulley (7) is installed in the power output shaft of decelerator (6b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169627.5U CN204222085U (en) | 2014-04-04 | 2014-04-04 | A kind of injection mold that accurately can control screw thread starting point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169627.5U CN204222085U (en) | 2014-04-04 | 2014-04-04 | A kind of injection mold that accurately can control screw thread starting point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204222085U true CN204222085U (en) | 2015-03-25 |
Family
ID=52920222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420169627.5U Expired - Fee Related CN204222085U (en) | 2014-04-04 | 2014-04-04 | A kind of injection mold that accurately can control screw thread starting point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204222085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827417A (en) * | 2017-04-14 | 2017-06-13 | 青岛英联精密模具有限公司 | A kind of complicated plastics internal screw forming device |
-
2014
- 2014-04-04 CN CN201420169627.5U patent/CN204222085U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827417A (en) * | 2017-04-14 | 2017-06-13 | 青岛英联精密模具有限公司 | A kind of complicated plastics internal screw forming device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20160404 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |