CN206230826U - Back-off draws material delayed ejection structure - Google Patents
Back-off draws material delayed ejection structure Download PDFInfo
- Publication number
- CN206230826U CN206230826U CN201621116647.1U CN201621116647U CN206230826U CN 206230826 U CN206230826 U CN 206230826U CN 201621116647 U CN201621116647 U CN 201621116647U CN 206230826 U CN206230826 U CN 206230826U
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- CN
- China
- Prior art keywords
- retainner plate
- ejector retainner
- draws material
- sprue
- delayed ejection
- 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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Abstract
The utility model discloses back-off and draws material delayed ejection structure, including mother module core, male die core, upper ejector retainner plate and lower ejector retainner plate, the die cavity that some workpiece are formed between the male die core and the mother module core and the injecting glue runner for connecting each die cavity；The upper ejector retainner plate is connected with ejector sleeve, the top of the ejector sleeve is abutted to the bottom of the workpiece, the injecting glue runner includes sprue, it is communicated in each branch flow passage of the sprue, the end of each branch flow passage is provided with symmetrical injecting glue point, the lower end of the sprue is provided with back-off structure, the back-off structure includes elastic component, and it is connected to the push rod of the upper ejector retainner plate, the pole for being connected to the sprue is arranged with the elastic component, the pole is oppositely arranged with the push rod, thimble is provided with below the branch flow passage, the bottom of the thimble is provided with delay structure.The utility model realizes workpiece automated production, is automatically separated material head while removing waste material.
Description
Technical field
The utility model belongs to technical field of mold, more particularly to a kind of back-off draws material delayed ejection structure.
Background technology
Product is the sealing ring of POM materials on high-grade bicycle, its surface requirements polishing, the surface requirements of appearance member
The defect such as intact material, shrink, flash, bubble, top be white.Because the wall thickness of product is relatively thin, the ejecting structure of existing sealing ring is used
Ejector sleeve is directly ejected, and material head part cannot be automatically separated, and needs to eliminate injecting glue defective material after ejection, meanwhile, it is residual in injecting glue runner
Glue also needs to be purged again, and workload is big, and production efficiency is not high.
Utility model content
The purpose of this utility model is in order to solve the above-mentioned technical problem, and to provide a kind of back-off and draw material delayed ejection knot
Structure, so as to realize workpiece automated production, is automatically separated material head while removing waste material.In order to achieve the above object, this practicality is new
Type technical scheme is as follows：
Back-off draws material delayed ejection structure, including mother module core, male die core, upper ejector retainner plate and lower ejector retainner plate, the male die core
The die cavity that some workpiece are formed and the mother module core between and the injecting glue runner for connecting each die cavity；The upper ejector retainner plate
Ejector sleeve is connected with, the top of the ejector sleeve is abutted to the bottom of the workpiece, and the injecting glue runner includes sprue, is communicated in institute
Each branch flow passage of sprue is stated, the end of each branch flow passage is provided with symmetrical injecting glue point, the lower end of the sprue
Back-off structure is provided with, the back-off structure includes elastic component and is connected to the push rod of the upper ejector retainner plate, in the elastic component
The pole for being connected to the sprue is arranged with, the pole is oppositely arranged with the push rod, is set below the branch flow passage
The bottom for having thimble, the thimble is provided with delay structure.
Specifically, the workpiece include annular body, located at the first circumferentially upward flange of the body inner ring and
Located at the second flange that the body lower surface is circumferentially downward.
Specifically, the injecting glue point is located at the outer peripheral end points of the body.
Specifically, the bottom of the upper ejector retainner plate and the lower ejector retainner plate is provided with bottom plate.
Specifically, being provided with push rod in the ejector sleeve, the push rod is connected to the bottom plate.
Specifically, the elastic component is spring.
Specifically, the branch flow passage is four and is respectively symmetrically located at the both sides of the sprue.
Specifically, the diameter with diameter greater than the inner ring of second flange.
Specifically, in the empty avoiding cavity that is placed in the upper ejector retainner plate and the lower ejector retainner plate of the delay structure.
Specifically, the delay structure includes being connected to the limited block of the thimble and is connected to the branch of the bottom plate
Post, pillar abutting corresponding with the limited block.
Compared with prior art, the utility model back-off draws the beneficial effect of material delayed ejection structure to be mainly reflected in：It is public
After template and caster die sinking, upper ejector retainner plate and lower ejector retainner plate are moved upwards, ejector sleeve jack-up workpiece at first, now due to back-off knot
The elastic component of structure pulls the glue position on sprue so that the injecting glue point of workpiece disconnects branch flow passage, completes the ejection of workpiece, finally
Pole in back-off structure is abutted with push rod, and the thimble in delay structure is abutted with branch flow passage, completes useless in injecting glue runner
Material ejection；The present embodiment realizes that workpiece material head is automatically separated, while removing waste material, improve production efficiency.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is one of part-structure schematic diagram of the present embodiment；
Fig. 3 is the two of the part-structure schematic diagram of the present embodiment；
Fig. 4 is the structural representation of the workpiece of the present embodiment；
Fig. 5 is the three of the part-structure schematic diagram of the present embodiment；
Fig. 6 is the structural representation of the present embodiment injecting glue runner and workpiece；
Numeral is represented in figure：
1 upper mounted plate, 11 casters, 12 mother module cores, 13 male templates, 14 male die cores, 15 support blocks, 16 bottom plates, 2 works
Part, 21 bodies, 22 first flange, 23 second flange, 3 injecting glue runners, 31 sprues, 32 branch flow passages, 33 injecting glue points, 4 times tops
Needle plate, ejector retainner plate, 42 ejector sleeves, 43 push rods, 5 back-off structures, 51 elastic components, 52 push rods, 53 poles, 54 thimbles, 6 postpone knot on 41
Structure, 61 empty avoiding cavitys, 62 limited blocks, 63 pillars.
Specific embodiment
Clear, complete description will be carried out to the technical scheme in the utility model embodiment below in conjunction with the accompanying drawings, it is clear that
Described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.
Embodiment：
Shown in reference picture 1-6, the present embodiment be back-off draw material delayed ejection structure, including set gradually upper mounted plate 1,
Caster 11, the mother module core 12 in caster 11, male template 13, the male die core 14 in male template 13, the and of support block 15
Bottom plate 16, forms the die cavity of four workpiece 2 and connects the injecting glue stream of each die cavity between male die core 14 and mother module core 12
Road 3.
Workpiece 2 is including annular body 21, located at the first circumferentially upward flange 22 of the inner ring of body 21 and located at body
Circumferential second flange 23 of 21 lower surfaces more than inner ring；Bottom plate 16 is provided with lower ejector retainner plate 4 and upper ejector retainner plate 41, upper top
Needle plate 41 is fixedly connected with ejector sleeve 42, and the top of ejector sleeve 42 is abutted to the periphery of the second flange 23, and support work is provided with ejector sleeve 42
The push rod 43 of part 2, push rod 43 is fixedly connected on bottom plate 16.
Injecting glue runner 3 includes sprue 31, is communicated in four branch flow passages 32 of 31 to four die cavities of sprue, affluent-dividing
Road 32 is respectively symmetrically located at the both sides of sprue 31.The end of each branch flow passage 32 is provided with two symmetrical injecting glue points 33, injecting glue
Point 33 is located at the outer peripheral end points of body 21.
The center lower end of sprue 31 is provided with back-off structure 5, and back-off structure 5 includes elastic component 51 and is fixedly connected on
The push rod 52 of upper ejector retainner plate 41, the optional spring of elastic component 51.The one end of elastic component 51 is fixedly connected on the bottom of sprue 31, elastic component
51 other end is fixedly connected in male template 13, and the pole 53 for being connected to sprue 31, pole 53 are arranged with elastic component 51
Corresponding with push rod 52 and leave distance, the end lower section of branch flow passage 32 is provided with thimble 54, and the bottom of thimble 54 is provided with delay
Structure 6, delay structure 6 is placed in the empty avoiding cavity 61 of lower ejector retainner plate 4 and upper ejector retainner plate 41, and delay structure 6 includes fixed company
The limited block 62 of thimble 54 is connected to, the bottom of empty avoiding cavity 61 is additionally provided with the pillar 63 for being fixedly connected on bottom plate 16, pillar
63 with the corresponding abutting of limited block 62.When upper ejector retainner plate 41 is moved, after limited block 62 postpones a segment distance in empty avoiding cavity 61,
After limited block 62 contacts the bottom to empty avoiding cavity 61, lower ejector retainner plate 4 is followed to depart from pillar 63 therewith, and then thimble 54 postpones
Eject to the end of branch flow passage 32.
During using the present embodiment, after male template 13 and the die sinking of caster 11, upper ejector retainner plate 41 and lower ejector retainner plate 4 are transported upwards
Dynamic, the jack-up workpiece 2 at first of ejector sleeve 42 now pulls the glue position on sprue 31 so that work due to the elastic component 51 of back-off structure 5
The injecting glue point 33 of part 2 disconnects branch flow passage 32, completes the ejection of workpiece 2, and the pole 53 in last back-off structure 5 is supported with push rod 52
Connect, the thimble 54 in delay structure 6 is abutted with branch flow passage 32, complete the waste material ejection in injecting glue runner 3.The present embodiment is realized
Workpiece material head is automatically separated, while removing waste material, improve production efficiency.
Fixed form and move mode are using the structure commonly used in Tool and Die Technology, such as upper and lower thimble in the utility model
Plate attachment screw is fixed, is welded and fixed；Guide groove movement etc..These Tool and Die Technology have been well known to those skilled in the art,
Therefore repeat no more.
Above-described is only some implementation methods of the present utility model.For the person of ordinary skill of the art,
On the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (10)
1. back-off draws material delayed ejection structure, including mother module core, male die core, upper ejector retainner plate and lower ejector retainner plate, it is characterised in that：Institute
State the die cavity that some workpiece are formed between male die core and the mother module core and the injecting glue runner for connecting each die cavity；It is described
Upper ejector retainner plate is connected with ejector sleeve, and the top of the ejector sleeve is abutted to the bottom of the workpiece, the injecting glue runner include sprue,
Each branch flow passage of the sprue is communicated in, the end of each branch flow passage is provided with symmetrical injecting glue point, the main flow
The lower end in road is provided with back-off structure, and the back-off structure includes elastic component and is connected to the push rod of the upper ejector retainner plate, described
The pole for being connected to the sprue is arranged with elastic component, the pole is oppositely arranged with the push rod, the branch flow passage
Lower section be provided with thimble, the bottom of the thimble is provided with delay structure.
2. back-off according to claim 1 draws material delayed ejection structure, it is characterised in that：The workpiece includes the sheet of annular
Body, second turned over located at the first circumferentially upward flange of the body inner ring and located at the body lower surface is circumferentially downward
Side.
3. back-off according to claim 2 draws material delayed ejection structure, it is characterised in that：The injecting glue point is located at described
The outer peripheral end points of body.
4. back-off according to claim 1 draws material delayed ejection structure, it is characterised in that：The upper ejector retainner plate and it is described under
The bottom of ejector retainner plate is provided with bottom plate.
5. back-off according to claim 4 draws material delayed ejection structure, it is characterised in that：Push rod is provided with the ejector sleeve,
The push rod is connected to the bottom plate.
6. back-off according to claim 1 draws material delayed ejection structure, it is characterised in that：The elastic component is spring.
7. back-off according to claim 1 draws material delayed ejection structure, it is characterised in that：The branch flow passage be four and
It is respectively symmetrically located at the both sides of the sprue.
8. back-off according to claim 2 draws material delayed ejection structure, it is characterised in that：The diameter of second flange is big
In the diameter of the inner ring.
9. back-off according to claim 1 draws material delayed ejection structure, it is characterised in that：The delay structure is placed in described
In empty avoiding cavity in upper ejector retainner plate and the lower ejector retainner plate.
10. back-off according to claim 4 draws material delayed ejection structure, it is characterised in that：The delay structure includes connecting
The limited block for being connected to the thimble and the pillar for being connected to the bottom plate, the pillar is corresponding with the limited block to be supported
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621116647.1U CN206230826U (en) | 2016-10-12 | 2016-10-12 | Back-off draws material delayed ejection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621116647.1U CN206230826U (en) | 2016-10-12 | 2016-10-12 | Back-off draws material delayed ejection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206230826U true CN206230826U (en) | 2017-06-09 |
Family
ID=58983377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621116647.1U Expired - Fee Related CN206230826U (en) | 2016-10-12 | 2016-10-12 | Back-off draws material delayed ejection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206230826U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099114A (en) * | 2017-12-22 | 2018-06-01 | 台州市黄岩宇亚模具有限公司 | A kind of multi-time injection mould and its application method |
| CN108943621A (en) * | 2018-07-25 | 2018-12-07 | 上海亨诺模塑科技股份有限公司 | A kind of automatic ejection degumming mechanism |
| CN110142931A (en) * | 2019-06-04 | 2019-08-20 | 东莞广泽汽车饰件有限公司 | A kind of automobile plastic decoration injection forming mold |
| CN113858558A (en) * | 2021-09-29 | 2021-12-31 | 厦门华晔精密模具有限公司 | Intelligent notching device and method for soft rubber product |
-
2016
- 2016-10-12 CN CN201621116647.1U patent/CN206230826U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099114A (en) * | 2017-12-22 | 2018-06-01 | 台州市黄岩宇亚模具有限公司 | A kind of multi-time injection mould and its application method |
| CN108943621A (en) * | 2018-07-25 | 2018-12-07 | 上海亨诺模塑科技股份有限公司 | A kind of automatic ejection degumming mechanism |
| CN110142931A (en) * | 2019-06-04 | 2019-08-20 | 东莞广泽汽车饰件有限公司 | A kind of automobile plastic decoration injection forming mold |
| CN113858558A (en) * | 2021-09-29 | 2021-12-31 | 厦门华晔精密模具有限公司 | Intelligent notching device and method for soft rubber product |
| CN113858558B (en) * | 2021-09-29 | 2024-05-07 | 厦门华晔精密科技有限公司 | Intelligent cutting device and method for soft rubber products |
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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 |
Granted publication date: 20170609 Termination date: 20201012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |