CN205167446U - Slider takes off screw thread back -off mechanism - Google Patents
Slider takes off screw thread back -off mechanism Download PDFInfo
- Publication number
- CN205167446U CN205167446U CN201520834630.9U CN201520834630U CN205167446U CN 205167446 U CN205167446 U CN 205167446U CN 201520834630 U CN201520834630 U CN 201520834630U CN 205167446 U CN205167446 U CN 205167446U
- Authority
- CN
- China
- Prior art keywords
- slide block
- screw thread
- plate
- gripper shoe
- thread back
- 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.)
- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a slider takes off screw thread back -off mechanism, including an upper fixed plate, bottom plate, template and back template before an upper fixed plate lower part is equipped with are equipped with the merciful and peaceful back mould benevolence of front mould between preceding template and the back template, be equipped with the cave of moulding plastics between the merciful and peaceful back mould benevolence of front mould, and back template lower part is equipped with the backup pad, is equipped with a plurality of mould feet between backup pad and the bottom plate, is equipped with the thimble board on the bottom plate between the mould foot, is equipped with the thimble on the thimble board, be equipped with the screw thread back -off in the back mould benevolence of cave lower part of moulding plastics, in the thimble stretched into the screw thread back -off, the screw thread back -off outside was equipped with the slider mold insert, back mould benevolence lower part is equipped with two sliders, and the slider is connected with the slider mold insert, and this structure is passed through the shifting block and is promoted the slider and move to both sides, and for the screw thread back -off provides the space, the ejecting cave of moulding plastics of rethread thimble can not caused the screw thread and pulled, and having solved the little inside of mould simultaneously, small and comparatively difficult tunnel slider need not makeed, greatly reduced manufacturing cost to the problem of the unable drawing of patterns yet.
Description
Technical field
The utility model relates to technical field of mold, especially relates to a kind of slide block Leave out thread back-off mechanism.
Background technology
Injecting products its underpart as shown in Figure 1 has thread segment, and during injection moulding, thread segment is engaged by mold insert, when injection moulding is complete, need product to carry out the demoulding, the demoulding of thread segment is comparatively complicated, if take off by force, easily cause screw thread impaired, in existing technology, also have the method for Leave out thread back-off, generally need to make tunnel module and carry out the demoulding, produce this module comparatively complicated, and volume is comparatively large, adds the volume of whole mould, production cost is high, and inefficiency.
Utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of slide block Leave out thread back-off mechanism, comprise upper mounted plate, bottom plate, fixed plate bottom is provided with front template and rear pattern plate, front cavity and rear cavity is provided with between described front template and rear pattern plate, injection moulding cave is provided with between described front cavity and rear cavity, described rear pattern plate bottom is provided with gripper shoe, some mould pin are provided with between described gripper shoe and described bottom plate, bottom plate between described mould pin is provided with ejector retainner plate, and described ejector retainner plate is provided with thimble; Be provided with screw thread back-off in the rear cavity of bottom, described injection moulding cave, described thimble stretches in described screw thread back-off, is provided with slide block insert outside described screw thread back-off; Described rear cavity bottom is provided with two slide blocks, and described slide block is connected with described slide block insert; Described gripper shoe is fixed with two shifting blocks, described shifting block comprises vertical section and tilting section, and described tilting section is through described slide block, and the tilting section of two described shifting blocks forms inverted "eight" shape; Fixed structure is provided with between described front template and rear pattern plate.
Preferably, described fixed structure is nylon shutter.
Preferably, some first springs are provided with between described ejector retainner plate and described gripper shoe.
Preferably, also position limiting structure is provided with between described rear pattern plate and described gripper shoe, described position limiting structure comprises stop screw, spacing hole, and described spacing hole is positioned at described rear pattern plate, and described stop screw passes described spacing hole and stretches to described gripper shoe and be fixed in described gripper shoe; The body of rod of described stop screw is provided with lug, and on the body of rod of described lug bottom, cover has the second spring.
There is following beneficial effect in the slide block Leave out thread back-off mechanism that the utility model proposes: this structure promotes slide block to two lateral movements by shifting block, for screw thread back-off provides space, injection moulding cave is ejected again by thimble, double thread can not cause and pull, in addition, the large I of slide block is done little as far as possible, solves the little internal volume of mould little and cannot the problem of the demoulding, do not need to make the tunnel slide block of comparatively difficulty, greatly reduce production cost yet.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described.
Fig. 1 is the structural representation of injecting products in prior art;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the schematic diagram of position limiting structure of the present utility model;
Wherein, 1-upper mounted plate, 2-bottom plate, 3-front template, 4-rear pattern plate, 5-front cavity, 6-rear cavity, 7-gripper shoe, 8-mould pin, 9-ejector retainner plate, 10-thimble, 11-screw thread back-off, 12-slide block insert, 13-slide block, 14-shifting block, 15-nylon shutter, 16-first spring, 17-position limiting structure, 18-stop screw, 19-spacing hole, 20-lug, 21-second spring.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
Composition graphs 2, Fig. 3, the utility model proposes a kind of slide block Leave out thread back-off mechanism, comprise upper mounted plate 1, bottom plate 2, fixed plate 1 bottom is provided with front template 3 and rear pattern plate 4, front cavity 5 and rear cavity 6 is provided with between described front template 3 and rear pattern plate 4, injection moulding cave is provided with between described front cavity 5 and rear cavity 6, described rear pattern plate 4 bottom is provided with gripper shoe 7, some mould pin 8 are provided with between described gripper shoe 7 and described bottom plate 2, bottom plate 2 between described mould pin 8 is provided with ejector retainner plate 9, and described ejector retainner plate 9 is provided with thimble 10, be provided with screw thread back-off 11 in the rear cavity 6 of bottom, described injection moulding cave, described thimble 10 stretches in described screw thread back-off 11, is provided with slide block insert 12 outside described screw thread back-off 11, described rear cavity 6 bottom is provided with two slide blocks 13, and described slide block 13 is connected with described slide block insert 12, described gripper shoe 7 is fixed with two shifting blocks 14, described shifting block 14 comprises vertical section and tilting section, described tilting section is through described slide block 13, the tilting section of two described shifting blocks 14 forms inverted "eight" shape, slide block 13 and slide block insert 12 are fixed by screw, the through hole identical with described tilting section shape is had in slide block 13, when tilting section is downward, move along through hole, promote slide block 13 relative tilt block to move to the direction away from screw thread back-off 11 simultaneously, now slide block 13 mold insert 12 is separated with screw thread back-off 11, provide separated space, now open front template 3 and rear pattern plate 4, product ejects by thimble 10, fixed structure is provided with between described front template 3 and rear pattern plate 4.
Preferably, described fixed structure is nylon shutter 15, and front template 3 and rear pattern plate 4 are fixed by nylon shutter 15, the whole code module code that leans on of mould rear mold is on injection machine, when hydraulic control bottom pulls ejector retainner plate 9, first allow between front template 3 and gripper shoe 7 and be separated, carry out the action of slide block 13.
Preferably, be provided with some first spring 16, first springs 16 between described ejector retainner plate 9 and described gripper shoe 7 and provide pulling force downward further for gripper shoe 7, make gripper shoe 7 and rear pattern plate 4 quick separating.
Preferably, position limiting structure 17 is also provided with between described rear pattern plate 4 and described gripper shoe 7, described position limiting structure 17 comprises stop screw 18, spacing hole 19, described spacing hole 19 is positioned at described rear pattern plate 4, and described stop screw 18 passes described spacing hole 19 and stretches to described gripper shoe 7 and be fixed in described gripper shoe 7; The body of rod of described stop screw 18 is provided with lug 20, on the body of rod of described lug 20 bottom, cover has the second spring 21, the working method of position limiting structure 17 is, gripper shoe 7 declines and pulls stop screw 18 downward, by the head of stop screw 18 along downward in spacing hole 19, the distance of movement is the distance of moving between gripper shoe 7 and rear pattern plate 4, and during reset, caging bolt gets back to origin-location by spring reset.
Working method of the present utility model is: the whole code module code that leans on of injection machine mould rear mold is on injection machine, ejector retainner plate 9 is pulled downwards by hydraulic control push rod, coordinate the effect of the first spring 16, gripper shoe 7 is separated rapidly with rear pattern plate 4, shifting block 14 is driven to move downward, due to the tilting section of shifting block 14, slide block 13 can be promoted move to the direction away from shifting block 14, slide block 13 drives slide block insert 12 away from screw thread back-off 11, for screw thread back-off 11 demoulding provides space, due to position limiting structure 17, move distance between gripper shoe 7 and rear pattern plate 4 is fixed, no longer relative motion between the two, now cylinder advances again, and open nylon shutter 15, front template 3 is separated with rear pattern plate 4, screw thread back-off 11 ejects by thimble 10.
To be apparent for those skilled in the art to the multiple amendment of embodiment, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a slide block Leave out thread back-off mechanism, comprise upper mounted plate, bottom plate, fixed plate bottom is provided with front template and rear pattern plate, be provided with front cavity and rear cavity between described front template and rear pattern plate, be provided with injection moulding cave between described front cavity and rear cavity, it is characterized in that, described rear pattern plate bottom is provided with gripper shoe, be provided with some mould pin between described gripper shoe and described bottom plate, the bottom plate between described mould pin is provided with ejector retainner plate, and described ejector retainner plate is provided with thimble; Be provided with screw thread back-off in the rear cavity of bottom, described injection moulding cave, described thimble stretches in described screw thread back-off, is provided with slide block insert outside described screw thread back-off; Described rear cavity bottom is provided with two slide blocks, and described slide block is connected with described slide block insert; Described gripper shoe is fixed with two shifting blocks, described shifting block comprises vertical section and tilting section, and described tilting section is through described slide block, and the tilting section of two described shifting blocks forms inverted "eight" shape; Fixed structure is provided with between described front template and rear pattern plate.
2. slide block Leave out thread back-off mechanism according to claim 1, it is characterized in that, described fixed structure is nylon shutter.
3. slide block Leave out thread back-off mechanism according to claim 1, is characterized in that, be provided with some first springs between described ejector retainner plate and described gripper shoe.
4. slide block Leave out thread back-off mechanism according to claim 1, it is characterized in that, also position limiting structure is provided with between described rear pattern plate and described gripper shoe, described position limiting structure comprises stop screw, spacing hole, described spacing hole is positioned at described rear pattern plate, and described stop screw passes described spacing hole and stretches to described gripper shoe and be fixed in described gripper shoe; The body of rod of described stop screw is provided with lug, and on the body of rod of described lug bottom, cover has the second spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520834630.9U CN205167446U (en) | 2015-10-27 | 2015-10-27 | Slider takes off screw thread back -off mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520834630.9U CN205167446U (en) | 2015-10-27 | 2015-10-27 | Slider takes off screw thread back -off mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205167446U true CN205167446U (en) | 2016-04-20 |
Family
ID=55731475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520834630.9U Expired - Fee Related CN205167446U (en) | 2015-10-27 | 2015-10-27 | Slider takes off screw thread back -off mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205167446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426676A (en) * | 2016-10-19 | 2017-02-22 | 格力电器（武汉）有限公司 | Mold assembly and mold |
| CN110370510A (en) * | 2019-07-30 | 2019-10-25 | 泰德兴精密电子（昆山）有限公司 | Slipper block loose core with back-off structure product demoulds by force lamps structure |
-
2015
- 2015-10-27 CN CN201520834630.9U patent/CN205167446U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426676A (en) * | 2016-10-19 | 2017-02-22 | 格力电器（武汉）有限公司 | Mold assembly and mold |
| CN106426676B (en) * | 2016-10-19 | 2019-01-22 | 格力电器（武汉）有限公司 | Die assembly and mold |
| CN110370510A (en) * | 2019-07-30 | 2019-10-25 | 泰德兴精密电子（昆山）有限公司 | Slipper block loose core with back-off structure product demoulds by force lamps structure |
| CN110370510B (en) * | 2019-07-30 | 2024-03-26 | 泰德兴精密电子（昆山）有限公司 | Sliding block core-pulling strong demoulding tool structure of product with back-off structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20181027 |