CN204505637U - A kind of screw thread starting point location structure for mould - Google Patents
A kind of screw thread starting point location structure for mould Download PDFInfo
- Publication number
- CN204505637U CN204505637U CN201520165056.2U CN201520165056U CN204505637U CN 204505637 U CN204505637 U CN 204505637U CN 201520165056 U CN201520165056 U CN 201520165056U CN 204505637 U CN204505637 U CN 204505637U
- Authority
- CN
- China
- Prior art keywords
- screw thread
- profiled member
- mould
- gear
- driving cog
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a kind of screw thread starting point location structure for mould, include inside and be provided with the mould molding assembly of forming cavity and the screw thread formations of shaped article threaded portion, the thread forming portion of shaped article screw thread is provided with above described screw thread formations, after the below of described screw thread formations is provided with and is convenient to depanning, screw thread formations returns to the gear positioning device of original position.After depanning, as long as the position before gear bar is reverted to depanning can ensure the reduction of mould, accurate positioning, is convenient to regulate; This structure, can be used for the formed product depanning that there is back-off inside, comprises interior profiled member, the middle profiled member be enclosed within outside interior profiled member, the outer profiled member be enclosed within outside middle profiled member, and structure is relatively simple, can ensure that there is the smooth depanning of the product of back-off inside.
Description
[technical field]
The utility model relates to a kind of screw thread starting point location structure for mould.
[background technology]
Mould, in industrial production in order to injection moulding, blowing, extrude, various mould and instrument that the method such as die casting or forging forming, smelting, punching press obtains required product.In brief, mould is used to the instrument of formed article, and this instrument is made up of various part, and different moulds is made up of different parts.It realizes the processing of article profile mainly through the change of institute's moulding material physical state.Have the title of " mother of industry ".Blank is made to become the instrument of the product having given shape and size under external force.Be widely used in stamping-out, die forging, cold-heading, extruding, metallic sintered products compacting, compression casting, and in the compression moulding of goods such as engineering plastics, rubber, pottery or the formed machining of injection moulding.Mould has specific profile or cavity shape, and the contour shape that application has cutting edge can make blank occur to be separated stamping-out by outline line shape.Application cavity shape can make blank obtain corresponding three-dimensional shape.Mould generally comprises dynamic model and cover half two parts, the two partable.Take out product time separately, make blank inject mold cavity when closing up and be shaped.Existing mould after formed product depanning, because the position of dynamic model changes, upper once continue use time, need to return to initial position, for the mould making threaded product, the initial position of dynamic model is difficult to regulate accurately, causes the product size made to have error.
The utility model is exactly make in this context.
[utility model content]
The utility model object overcomes deficiency of the prior art and after providing one to be convenient to product depanning, mould returns to the screw thread starting point location structure of initial position.
The utility model is by the following technical solutions:
A kind of screw thread starting point location structure for mould, it is characterized in that: include inside and be provided with the mould molding assembly 1 of forming cavity 2 and the screw thread formations 3 of shaped article 7 threaded portion, the thread forming portion 31 of shaped article screw thread is provided with above described screw thread formations 3, after the below of described screw thread formations 3 is provided with and is convenient to depanning, screw thread formations 3 returns to the gear positioning device 4 of original position.
A kind of screw thread starting point location structure for mould as above, it is characterized in that: described gear positioning device 4 includes the first screw thread 41 being located at screw thread formations 3 lower end, driving cog gear member 42 is had in described screw thread formations 3 outer cover, described driving cog gear member 42 is provided with the second screw thread 421 matched with the first screw thread 41, described driving cog gear member 42 lower end is provided with gear part 422, is provided with to be meshed with gear part 422 and can the gear bar 43 that rotates of driven gear portion 422 on the side of driving cog gear member 42.
A kind of screw thread starting point location structure for mould as above, it is characterized in that: described mould molding assembly 1 includes the interior profiled member 11 coordinating shaped article bottom and inside together, be enclosed within the middle profiled member 12 outside interior profiled member 11, described screw thread formations 3 is enclosed within outside middle profiled member 12, described interior profiled member 11 upper end is provided with the compacted under groove 111 of shaped article bottom and the back-off forming tank 112 of the inner back-off of shaped article, have above back-off forming tank 112 and contact spacing lower limit portion 113 with middle profiled member 12, described middle profiled member 12 upper end is provided with the upper limit portion 121 contacted with lower limit portion 113, at interior profiled member 11, middle profiled member 12, the top of screw thread formations 3 is provided with the upper profiled member 5 of shaped article 7 top and outer shape.
A kind of screw thread starting point location structure for mould as above, it is characterized in that: the lower end of described interior profiled member 11 is provided with fixed part 114, fixed part 114 is provided with inwardly protruded spacer pin 115, the lower end of described middle profiled member 12 is provided with sliding tray 122 that is upper and lower in spacer pin 115 position and that rotate, described sliding tray 122 include middle profiled member 12 can be made to move up and down slide up and down groove 1221, and the rotational slide groove 1222 that middle profiled member 12 is rotated.
As above for a screw thread starting point location structure for mould, it is characterized in that: the lower end of described middle profiled member 12 is also provided with the pallet 123 held driving cog gear member 42 and driving cog gear member 42 is up moved with middle profiled member 12.
As above for a screw thread starting point location structure for mould, it is characterized in that: the tine length of described gear bar 43 is more than or equal to the ultimate range sum that the tine length of driving cog gear member 42 and driving cog gear member 42 are up moved.
The beneficial effects of the utility model are:
After depanning, as long as the position before gear bar is reverted to depanning can ensure the reduction of mould, accurate positioning, is convenient to regulate;
This structure, can be used for the formed product depanning that there is back-off inside, comprises interior profiled member, the middle profiled member be enclosed within outside interior profiled member, the outer profiled member be enclosed within outside middle profiled member, and structure is relatively simple, can ensure that there is the smooth depanning of the product of back-off inside;
The lower end of interior profiled member to be provided with in spacer pin position up and down and rotary motion slide up and down groove and rotational slide groove, can under external force upwards pushes up the effect of interior profiled member, realization slides up and down and rotational slide, ensures the depanning of back-off and the depanning at screw thread formations position;
Pallet can make that middle profiled member is synchronous with outer profiled member up to move, the setting of driving cog gear member, and in can ensureing, profiled member and outer profiled member can be movable relatively, and are convenient to the depanning at screw thread formations position;
This structure is simple, saves production cost, practical, simple to operate.
[accompanying drawing explanation]
Fig. 1 is the utility model using state schematic perspective view on mould.
Fig. 2 is product schematic perspective view.
Fig. 3 is the utility model using state structural blast figure on mould.
Fig. 4 is A place enlarged drawing in Fig. 3.
Fig. 5 is B place enlarged drawing in Fig. 3.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the utility model is described in detail:
As shown in the figure, a kind of screw thread starting point location structure for mould, include inside and be provided with the mould molding assembly 1 of forming cavity 2 and the screw thread formations 3 of shaped article 7 threaded portion, shaped article profile or other structure inner in forming cavity 2, after the below of described screw thread formations 3 is provided with and is convenient to product 7 depanning, screw thread formations 3 returns to the gear positioning device 4 of original position.
Described gear positioning device 4 includes the first screw thread 41 being located at screw thread formations 3 lower end, driving cog gear member 42 is had in described screw thread formations 3 outer cover, described driving cog gear member 42 is provided with the second screw thread 421 matched with the first screw thread 41, during rotary transmission gear part 42, driving cog gear member 42 can move up and down by line profiled member 3 relatively, described driving cog gear member 42 lower end is provided with gear part 422, is provided with to be meshed with gear part 422 and can the gear bar 43 that rotates of driven gear portion 422 on the side of driving cog gear member 42.Pull or promote gear bar 43, can rotating in driven gear portion 422, thus driving cog gear member 42 can be moved up and down by line profiled member 3 relatively.
The utility model can solve the inner back-off depanning of product 7, when insufficient space.Existing mold, can not depanning smoothly when interiors of products has back-off 71, namely can not make the product that there is back-off inside.
Described mould molding assembly 1 includes the interior profiled member 11 coordinating shaped article bottom and inside together, be enclosed within the middle profiled member 12 outside interior profiled member 11, described screw thread formations 3 is enclosed within outside middle profiled member 12, described interior profiled member 11 upper end is provided with the compacted under groove 111 of shaped article bottom and the back-off forming tank 112 of the inner back-off of shaped article, have above back-off forming tank 112 and contact spacing lower limit portion 113 with middle profiled member 12, described middle profiled member 12 upper end is provided with the upper limit portion 121 contacted with lower limit portion 113, at interior profiled member 11, middle profiled member 12, the top of screw thread formations 3 is provided with the upper profiled member 5 of shaped article 7 top and outer shape.
The lower end of described interior profiled member 11 is provided with fixed part 114, fixed part 114 is provided with inwardly protruded spacer pin 115, namely spacer pin 115 is inserted into fixed part 114 inside by the installing hole on fixed part 114, the lower end of described middle profiled member 12 is provided with sliding tray 122 that is upper and lower in spacer pin 115 position and that rotate, described sliding tray 122 include middle profiled member 12 can be made to move up and down slide up and down groove 1221, and the rotational slide groove 1222 that middle profiled member 12 is rotated.
The lower end of described middle profiled member 12 is also provided with the pallet 123 held driving cog gear member 42 and driving cog gear member 42 is up moved with middle profiled member 12.
After product 7 is shaping, dynamical system up push up in profiled member 12, the groove 1221 that slides up and down of middle profiled member 12 moves up and down along spacer pin 115, the pallet 123 of middle profiled member 12 also props up driving cog gear member 42 simultaneously, make it up move together, drive screw thread formations 3 up to move together, middle profiled member 12, screw thread formations 3 make product 7 up move and be separated with interior profiled member 11 simultaneously, now, the back-off forming tank 112 that the back-off 71 of limits product 7 rotates also is separated with product 7, then, dynamical system continue up top in profiled member 12, the rotational slide groove 1222 of middle profiled member 12 rotates along spacer pin 115 and moves up and down, gear bar 43 rotates to the direction of setting simultaneously, namely nutating gear part 42 is with to rotate on screw thread formations 3, driving cog gear member 42 opposite thread profiled member 3 is moved upward, make pallet 123 not be transmitted gear member 42 to limit, namely screw thread formations 3 can not move upward, realize the smooth depanning of screw thread formations 3 part on product 7, in this process, gear bar 43 is highly constant in vertical height, driving cog gear member 42 can move upward one end distance, should ensure that the tine length S of gear bar 6 is more than or equal to the tine length L of driving cog gear member 42 and the ultimate range sum of up moving, ensure that two gears can not landing.
After depanning, as long as the position before gear bar 43 is reverted to depanning can ensure the reduction of mould, accurate positioning, is convenient to regulate.Gear bar 43 only seesaws in the horizontal direction, gear bar 43 and other motionless contact positions in frame can be carried out mark, when the mark position of gear bar 43 arrives contact position, namely mould returns to initial position, i.e. next part product of pourable production.
Claims (6)
1. the screw thread starting point location structure for mould, it is characterized in that: include inside and be provided with the mould molding assembly (1) of forming cavity (2) and the screw thread formations (3) of shaped article (7) threaded portion, described screw thread formations (3) top is provided with the thread forming portion (31) of shaped article screw thread, after the below of described screw thread formations (3) is provided with and is convenient to depanning, screw thread formations (3) returns to the gear positioning device (4) of original position.
2. according to a kind of screw thread starting point location structure for mould according to claim 1, it is characterized in that: described gear positioning device (4) includes the first screw thread (41) being located at screw thread formations (3) lower end, driving cog gear member (42) is had in described screw thread formations (3) outer cover, described driving cog gear member (42) is provided with the second screw thread (421) matched with the first screw thread (41), described driving cog gear member (42) lower end is provided with gear part (422), be provided with on the side of driving cog gear member (42) and be meshed with gear part (422) and can the gear bar (43) that rotates of driven gear portion (422).
3. according to a kind of screw thread starting point location structure for mould according to claim 2, it is characterized in that: described mould molding assembly (1) includes the interior profiled member (11) coordinating shaped article bottom and inside together, be enclosed within interior profiled member (11) middle profiled member (12) outward, described screw thread formations (3) is enclosed within middle profiled member (12) outward, described interior profiled member (11) upper end is provided with the compacted under groove (111) of shaped article bottom and the back-off forming tank (112) of the inner back-off of shaped article, have in back-off forming tank (112) top and contact spacing lower limit portion (113) with middle profiled member (12), described middle profiled member (12) upper end is provided with the upper limit portion (121) contacted with lower limit portion (113), in interior profiled member (11), middle profiled member (12), the top of screw thread formations (3) is provided with the upper profiled member (5) of shaped article (7) top and outer shape.
4. according to a kind of screw thread starting point location structure for mould according to claim 3, it is characterized in that: the lower end of described interior profiled member (11) is provided with fixed part (114), fixed part (114) is provided with inwardly protruded spacer pin (115), the lower end of described middle profiled member (12) is provided with sliding tray (122) that is upper and lower in spacer pin (115) position and that rotate, described sliding tray (122) include middle profiled member (12) can be made to move up and down slide up and down groove (1221), and the rotational slide groove (1222) that middle profiled member (12) is rotated.
5. according to a kind of screw thread starting point location structure for mould according to claim 4, it is characterized in that: the lower end of described middle profiled member (12) is also provided with the pallet (123) held driving cog gear member (42) and driving cog gear member (42) is up moved with middle profiled member (12).
6. according to a kind of screw thread starting point location structure for mould according to claim 5, it is characterized in that: the tine length of described gear bar (43) is more than or equal to the ultimate range sum that the tine length of driving cog gear member (42) and driving cog gear member (42) are up moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165056.2U CN204505637U (en) | 2015-03-23 | 2015-03-23 | A kind of screw thread starting point location structure for mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165056.2U CN204505637U (en) | 2015-03-23 | 2015-03-23 | A kind of screw thread starting point location structure for mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204505637U true CN204505637U (en) | 2015-07-29 |
Family
ID=53703639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520165056.2U Withdrawn - After Issue CN204505637U (en) | 2015-03-23 | 2015-03-23 | A kind of screw thread starting point location structure for mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204505637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708745A (en) * | 2015-03-23 | 2015-06-17 | 中山兆鸿精密模具注塑有限公司 | Positioning structure for conveniently recovering mold to starting point |
-
2015
- 2015-03-23 CN CN201520165056.2U patent/CN204505637U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708745A (en) * | 2015-03-23 | 2015-06-17 | 中山兆鸿精密模具注塑有限公司 | Positioning structure for conveniently recovering mold to starting point |
| CN104708745B (en) * | 2015-03-23 | 2017-07-04 | 中山兆鸿精密模具注塑有限公司 | It is a kind of to be easy to mould to return to location structure a little |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202934767U (en) | Device for adjusting size of sub-channel in plastic injection mold with multiple cavities | |
| CN202556665U (en) | Vertical-type injection molding machine | |
| CN106363879A (en) | Telescopic helve | |
| CN204505637U (en) | A kind of screw thread starting point location structure for mould | |
| CN204505707U (en) | A kind ofly make the mould structure that interiors of products has back-off | |
| CN205463911U (en) | Bilateral fashioned slider device simultaneously | |
| CN104690913A (en) | Special die structure | |
| CN215703595U (en) | Demoulding device for plastic mould | |
| CN206217090U (en) | A kind of flexible Ke | |
| CN104708745A (en) | Positioning structure for conveniently recovering mold to starting point | |
| CN204220795U (en) | Mould automatic discharging structure | |
| CN203496324U (en) | Rotatable demoulding device | |
| CN203496163U (en) | Mold capable of being combined to use | |
| CN203818420U (en) | Compression molding die for improving forming rate of oil tank end covers of automobile | |
| CN206465391U (en) | A kind of plastic cement projects hardware dies | |
| CN105328872A (en) | Movable type pressure injection die | |
| CN203765943U (en) | Mounting structure for inclined slider of injection mold | |
| CN217257631U (en) | A mould for plastics processing | |
| CN203945623U (en) | Based on the adapted to injection system that improves injection moulding accuracy in mold injection | |
| CN103949491A (en) | Automobile aluminum piston workblank extrusion forming equipment | |
| CN205112257U (en) | Portable transfer mould of flat connecting plate | |
| CN203817073U (en) | Equipment for extrusion forming of aluminum piston blank of automobile | |
| CN204278420U (en) | Bent pipe injection die pulled core structure | |
| CN204820069U (en) | Mould pushes up slide to one side | |
| CN211566802U (en) | Rotary core-pulling mechanism for sliding block of mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20170704 |
|
| AV01 | Patent right actively abandoned |