CN206855905U - A kind of injection mold - Google Patents
A kind of injection mold Download PDFInfo
- Publication number
- CN206855905U CN206855905U CN201720753923.3U CN201720753923U CN206855905U CN 206855905 U CN206855905 U CN 206855905U CN 201720753923 U CN201720753923 U CN 201720753923U CN 206855905 U CN206855905 U CN 206855905U
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- spring
- thimble
- needle shaft
- needle
- cavity
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Abstract
It the utility model is related to injection mold,It is especially a kind of can be with self-protection thimble and the injection mold of die,It is high in order to solve conventional thimble accident rate,It is also possible to the problem of damaging die in accident,A kind of injection mold is provided,Lower mould including upper mould and with Ccope closing machine,The bottom of the lower mould is movably installed with ejecting mechanism,The ejecting mechanism has thimble and guide rod,The thimble includes needle shaft,Spring,Spacing ring and needle stand,The needle stand has a cavity for being used to set spring,Inner ring on cavity top has the internal thread extended axially downward,Be engaged in this internal thread is that outer ring has the externally threaded spacing ring extended axially downward,The circle centre position of the spacing ring has a through hole,The needle shaft is " T " font needle shaft,The splaying of needle shaft one coordinates in through-holes,The bottom of " T " font is arranged in the cavity of needle stand,It is sitting on spring,The safety of the utility model energy maximum possible protection mould when accident occurs.
Description
Technical field
The utility model is related to injection mold, it is especially a kind of can be with self-protection thimble and the injection mold of die.
Background technology
Mould cost is high, at least thousands of at most million, where wherein die is the core of whole mould, die once by
Damage, reparation take time and effort, if can not repair so, loss will be bigger；Thimble plays pushing-off product in a mold, and it is counted
The more distributions of amount are close, and build is elongated, is affected by many factors, and existing thimble is formed in one mostly, so in a mold
Fault rate is very high, and thimble probably scratches, makes a mess of die in accident, while is also possible to meeting during thimble is changed
Die is damaged, die will face great loss once damaging enterprise.
Utility model content
The technical problems to be solved in the utility model is：Can in order to solve to also have in conventional thimble accident rate height, accident
The problem of die can be damaged, there is provided it is a kind of can be with self-protection thimble and the injection mold of die.
Technical scheme is used by the utility model solves its technical problem：A kind of injection mold, including upper mould and with
The lower mould of Ccope closing machine, the bottom of the lower mould are movably installed with the ejecting mechanism for pushing-off product, and the ejecting mechanism is put down
Row is set in lower mould bottom, and the ejecting mechanism includes inlaying thimble and guide rod in fixed plate, and is fixedly mounted
Fixed plate bottom, for encapsulating thimble and backing plate of the guide rod in fixed plate, the thimble includes needle shaft, spring, spacing
Ring and needle stand, the needle stand have a cavity for being used to set spring, and the inner ring on cavity top, which has, to be extended axially downward
Internal thread, be engaged in this internal thread is that outer ring has the externally threaded spacing ring that extends axially downward, the spacing ring
Circle centre position has a through hole, and the needle shaft is " T " font needle shaft, and the splaying of needle shaft one coordinates in through-holes, the bottom of " T " font
End is arranged in the cavity of needle stand, is sitting on spring.
In order to ensure that thimble has enough operating distances, the spring is vertically set on needle shaft bottom, and the two of the spring
End contacts with the bottom of needle shaft and the bottom of needle stand cavity respectively.
For the spring in localization cavity, the bottom of needle shaft " T " font has the projection for retaining spring, projection
It is arranged in the inner ring of spring.
For the spring in localization cavity, the bottom of the needle stand cavity has the projection for retaining spring, and projection is set
Put in the inner ring of spring.
The beneficial effects of the utility model are a kind of injection molds of the present utility model, by original integrally formed top
Pin, segmented is designed to, needle shaft is sitting on spring and is then fitted into the cavity of needle stand, the thrust of spring in normal production
For enough needle shafts by finished product ejection die, the thimble with spring is identical with integrally formed thimble length, does not interfere with thimble
Normal work, when meeting with an accidet such as cooling line incrustation causes the finished product in mould to be bonded on mould, and thimble arrives this portion on top
When stress is much larger than normal when being divided into product, just stress is pressed down against spring, and the power of needle shaft and finished product interphase interaction is also relative
Reduce, thimble is not easy to be damaged；For another example mechanical breakdown, upper mould hydraulic system fault, mold in die sinking be not complete
Open, finished product does not have enough spaces of dropping after releasing, finished product quality or structure are again durable, and conventional thimble is not pushing away
Be usually to stop in place, caused by result either finished product is scrapped or thimble damage, worst is exactly that thimble is becoming
Shape damages die when damage together, and when running into this kind of situation, thimble needle shaft stress becomes greatly to spring effect, spring to
Extruded in cavity, extrude safe space to needle shaft, needle shaft, which will not get finished product, to be scrapped, and most surfaces, which scratch, to be repaired with the later stage
Reduce loss, will not also damage thimble, be more not in thimble and the very stiff and demanding situation of die, the utility model normally production with
Traditional dies are no different, and when accident occurs, the safety of energy maximum possible protection molds and products, saves for enterprise and largely deal with problems arising from an accident
Time, the utility model also have the characteristics of simple in construction easy to maintenance.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is sectional view of the present utility model.
Fig. 2 is the sectional view of thimble in Fig. 1.
In figure:Mould on 1., 2. times moulds, 3. ejecting mechanisms, 4. thimbles, 5. guide rods, 6. fixed plates, 7. backing plates, 8. needle shafts, 9
Needle stand, 10. springs, 11. spacing rings.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
A kind of injection mold shown in Fig. 1 and Fig. 2, including upper mould 1 and the lower mould 2 with the upper matched moulds of mould 1, the lower mould 2
Bottom is movably installed with the ejecting mechanism 3 for pushing-off product, and the ejecting mechanism 3 is set parallel to the lower bottom of mould 2, the top
Going out mechanism 3 includes inlaying thimble 4 in fixed plate 6 and guide rod 5, and be fixedly mounted on the bottom of fixed plate 6, be used for
Thimble 4 and backing plate 7 of the guide rod 5 in fixed plate 6 are encapsulated, the thimble 4 includes needle shaft 8, spring 10, spacing ring 11 and needle stand 9,
The needle stand 9 has a cavity for being used to set spring 10, and the inner ring on cavity top has the interior spiral shell extended axially downward
Line, be engaged in this internal thread is that outer ring has the externally threaded spacing ring 11 extended axially downward, the circle of the spacing ring 11
There is a through hole, the needle shaft 8 is " T " font needle shaft, and the splaying of needle shaft 8 one coordinates in through-holes, the bottom of " T " font at the heart
End is arranged in the cavity of needle stand 9, is sitting on spring 10, and the bottom of needle shaft 8 and the cavity of needle stand 9 is respectively provided with one and is used to fix bullet
The projection of spring 10, the bottom of needle shaft 8 to the length that the ultimate range of the cavity bottom of needle stand 9 is exactly spring 10.
During actual use, spring 10 is put into the cavity of needle stand 9 first, spring 10 is enclosed on the cavity bottom of needle stand 9
Projection on, then by " T " font needle shaft 8 pass through spacing ring 11 in circular hole, then the projection of the bottom of needle shaft 8 fill in spring 10
Inner ring in, tighten spacing ring 11, Manual press needle shaft 8 see spring 10 whether can proper motion, after being verified, by needle shaft 8
Through fixed plate 6, the gap of needle stand 9 coordinates in the mounting hole in fixed plate 6, then guide rod 5 is arranged in fixed plate 6 in the lump,
Finally backing plate 7 and fixed plate 6 are fixedly installed togather with bolt, such ejecting mechanism 3 installs；Thimble in normal production
4 pushing-off product uniform forces are gentle, and the stress of spring 10 is small unchanged, identical with traditional dies working condition；When meeting with an accidet,
The finished product in mould is caused to be bonded on mould such as cooling line incrustation, the stress when this part finished product is arrived on top of thimble 4 is much larger than just
When normal, just stress is pressed down against spring 10, needle shaft 8 and the power of finished product interphase interaction is reduced into a part, such thimble 4 is not
Easily impaired, for another example during mechanical breakdown, the as above hydraulic system fault in die sinking of mould 1, upper mould 1 has not to be opened completely, finished product
There is no enough spaces of dropping after release, finished product quality or structure are again durable, and conventional mould is not shift position onto general
Will not stop, caused by result either finished product is scrapped or thimble 4 damages, worst is exactly thimble 4 in deformed damaged
When die is damaged together, when running into this kind of situation, the stress of needle shaft 8 of thimble 4 becomes to be acted on greatly to spring 10, spring 10
Extruded into cavity, extrude safe space to needle shaft 8, needle shaft 8, which will not get finished product, to be scrapped, and most surfaces scratch can be with the later stage
Repairing reduces loss, will not also damage thimble 4, is more not in thimble 4 and the very stiff and demanding thing of die, and the utility model is normal
Production is no different with traditional dies, and the cavity when accident occurs in needle stand 9 just becomes the place that needle shaft 8 lets out power.
The utility model eliminates the description to some prior arts in traditional dies, concrete structure such as upper and lower mould, opens
Power set and its operation principle used in matched moulds, and for example promote power unit and its operation principle that ejecting mechanism 3 works.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (4)
1. a kind of injection mold, including upper mould (1) and the lower mould (2) with upper mould (1) matched moulds, the bottom activity of the lower mould (2)
Ejecting mechanism (3) for pushing-off product is installed, the ejecting mechanism (3) is set parallel to lower mould (2) bottom, the ejection
Mechanism (3) includes inlaying thimble (4) and guide rod (5) in fixed plate (6), and is fixedly mounted on fixed plate (6) bottom
Portion, for encapsulating thimble (4) and backing plate (7) of the guide rod (5) in fixed plate (6), it is characterised in that：Thimble (4) bag
Needle shaft (8), spring (10), spacing ring (11) and needle stand (9) are included, there is the needle stand (9) one to be used to set spring (10)
Cavity, the inner ring on cavity top have the internal thread extended axially downward, and be engaged in this internal thread is that outer ring has axially
The externally threaded spacing ring (11) extended downwardly, the circle centre position of the spacing ring (11) have a through hole, and the needle shaft (8) is
" T " font needle shaft, the splaying of needle shaft (8) one coordinate in through-holes, and the bottom of " T " font is arranged in the cavity of needle stand (9), sat
On spring (10).
A kind of 2. injection mold according to claim 1, it is characterised in that：The spring (10) is perpendicular to being arranged on needle shaft
(8) bottom, the both ends of the spring (10) contact with the bottom of needle shaft (8) and the bottom of needle stand (9) cavity respectively.
A kind of 3. injection mold according to claim 1, it is characterised in that：The bottom of needle shaft (8) " T " font has
For the projection of retaining spring (10), projection is arranged in the inner ring of spring (10).
A kind of 4. injection mold according to claim 1, it is characterised in that：The bottom of needle stand (9) cavity, which has, to be used
Projection in retaining spring (10), projection are arranged in the inner ring of spring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720753923.3U CN206855905U (en) | 2017-06-26 | 2017-06-26 | A kind of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720753923.3U CN206855905U (en) | 2017-06-26 | 2017-06-26 | A kind of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206855905U true CN206855905U (en) | 2018-01-09 |
Family
ID=60828445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720753923.3U Active CN206855905U (en) | 2017-06-26 | 2017-06-26 | A kind of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206855905U (en) |
-
2017
- 2017-06-26 CN CN201720753923.3U patent/CN206855905U/en active Active
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| GR01 | Patent grant |