CN208020665U - Mold and mould undercut construction - Google Patents
Mold and mould undercut construction Download PDFInfo
- Publication number
- CN208020665U CN208020665U CN201820222334.7U CN201820222334U CN208020665U CN 208020665 U CN208020665 U CN 208020665U CN 201820222334 U CN201820222334 U CN 201820222334U CN 208020665 U CN208020665 U CN 208020665U
- Authority
- CN
- China
- Prior art keywords
- cutter
- oil cylinder
- miniature oil
- mouth
- river
- 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
Links
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
It includes cutter, cutter fixing piece, cutter locating piece, resetting spring, miniature oil cylinder and miniature oil cylinder fixing base that the utility model, which discloses a kind of mold and mould undercut construction, mould undercut construction,；It is provided with oil circuit in miniature oil cylinder fixing base, miniature oil cylinder passes through the oil communication high pressure sequence controller, one end of cutter is fixed on miniature oil cylinder by cutter fixing piece, the cutter other end cuts off the mouth of a river under the promotion of miniature oil cylinder, resetting spring is arranged on cutter fixing piece, limited block is arranged in rear mold, resetting spring is mobile to limited block under the drive of miniature oil cylinder and supports limited block, cutter locating piece is fixedly arranged at the mouth of a river, cutter locating piece has locating slot, and corresponding adaptation cutter, when cutter is moved to the mouth of a river, cutter penetrates locating slot, whole work process is smooth precisely quick, compared with traditional artificial cut-out mouth of a river, not only mouth of a river position is smooth, Quality advance, and mitigate labor intensity of operating staff, greatly increase production efficiency.
Description
Technical field
The utility model is related to the technical fields to mold, especially relate to mold and mould undercut construction.
Background technology
Current mold has many types, one of which mold being molded for manufacturing plastic material, i.e. moulding mold
After, when due to ejecting moulding, material head can be remained on moulding, needs manpower to be broken off at this time, fracture in this way point
From being easy tod produce after not only high labor cost, low production efficiency and artificial separation, burr is bad, causes product quality to reduce, especially
It is the high smooth product more demanding to appearance, this kind of product needs its appearance without any mark, in this way at the mouth of a river for carrying out workpiece
With regard to cumbersome and cumbersome when cutting, slightly misoperation is easy for that the shell of product is made to leave the marking, or even cause its surface
Damage.So with the demand in market, it would be highly desirable to need one kind that can reduce cost, improve production efficiency and product quality
Cut off moulding mouth of a river technology.
Utility model content
The main purpose of the utility model is to provide a kind of mold and mould undercut construction, it is intended to solve existing moulding water
Mouthful cut-out production efficiency and the low technical problem of product quality.
The utility model proposes a kind of mould undercut constructions, are set in the rear mold of mold, including cutter, cutter are fixed
Part, cutter locating piece, resetting spring, limited block, miniature oil cylinder and miniature oil cylinder fixing base；
The miniature oil cylinder is set on miniature oil cylinder fixing base, is provided with oil circuit in the miniature oil cylinder fixing base, institute
It states miniature oil cylinder and passes through the oil communication high pressure sequence controller；
The cutter fixing piece is arranged on the miniature oil cylinder, and the cutter fixing piece is fixed in one end of the cutter
On, cutter fixing piece described in the miniature oil cylinder pushing drives the cutter to be moved to the mouth of a river direction of the mold so that institute
State the cutter other end cut-out mouth of a river；
Described resetting spring one end is arranged on the cutter fixing piece, and the other end is arranged in the same direction with the cutter, described
Limited block is set between the resetting spring and the mouth of a river, and the cutter described in the miniature oil cylinder pushing is moved to the mouth of a river
When, the resetting spring is mobile to the limited block under the drive of the cutter fixing piece and supports the limited block；
The cutter locating piece is located at the mouth of a river, and the cutter locating piece has the locating slot for positioning the cutter,
The locating slot, which corresponds to, is adapted to the cutter, and when the cutter is moved to the mouth of a river, the cutter penetrates the locating slot.
Further, there is the cutter fixing piece screens slot, described cutter one end to be embedded in the screens slot with fixation
Its position.
Further, further include having cutter fixed pin, the cutter fixed pin is set to the side of the cutter fixing piece, institute
Stating cutter fixing piece has the through-hole communicated with the screens slot, and the cutter fixed pin passes through to be cut described in through-hole compression
Knife.
Further, the resetting spring is set to the side of the cutter, and one end fixation of the resetting spring is embedding
Enter the screens slot, the other end is arranged towards the mouth of a river direction.
Further, there are two the resetting spring settings, it is opposite that two resetting springs are respectively arranged at cutter
Both sides.
Further, the resetting spring is sheathed on cutter.
Further, further include having miniature oil cylinder pressing plate, an end edge of the miniature oil cylinder towards the cutter fixing piece
Edge setting is jagged, and the miniature oil cylinder pressing plate correspondence adapts to the notch.
Further, further include having sealing rubber ring, the miniature oil cylinder corresponds to the oil circuit setting grooved hole, the sealing
Cushion rubber was arranged along the slot inner wall one week.
The utility model additionally provides a kind of mold, including above-mentioned mould undercut construction.
Mold and film undercut construction provided by the utility model, by the way that cutter is arranged in the rear mold of mold, and by micro-
Type oil cylinder pushing cutter cuts off the moulding material head on the mouth of a river, then is resetted by resetting spring, and whole process is smooth precisely quick, with
Traditional artificial cut-out mouth of a river is compared, and not only mouth of a river position is smooth, and product quality improves, and it is strong to mitigate operating personnel's labour
Degree reduces cost of labor, also greatly increases production efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the utility model mould undercut construction；
Fig. 2 is the sectional view of one embodiment of the utility model mold.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
It is known to those skilled in the art that mold includes preceding mould and rear mold, there is forming cavity, injection molding on preceding mould and rear mold
Part is formed in forming cavity, and moulding needs before completing by processes such as injection, pressurize and coolings.
Referring to Fig.1-2, the film undercut construction that this practicality provides is set in the rear mold 8 of mold, includes cutter 1, cutter
Fixing piece 10, cutter locating piece 11, resetting spring 2, limited block 80, miniature oil cylinder 3 and miniature oil cylinder fixing base 30.
Wherein, oil circuit 4 is provided in miniature oil cylinder fixing base 30, miniature oil cylinder 3 is arranged on miniature oil cylinder fixing base 30,
And be connected to high pressure sequence controller by oil circuit 4, it is provided with electric shock switch on mold, triggers and touches when preceding mould 7 is closed with rear mold 8
Point switch, contact switch deliver a signal to high pressure sequential device, and moulding passes through oil circuit 4 in pressurize, cooling period, high pressure sequential device
High pressure oil is exported to drive miniature oil cylinder 3, and in preset time removes super high pressure oil so that miniature oil cylinder 3 is stopped, needle
To different molds, which can change.Such as preset time is directed to different molds, could be provided as 2s, 3s, 4s etc.,
In addition it can control the stroke that miniature oil cylinder 3 pushes cutter 1, similarly, for different molds, stroke, which can be arranged, to differ
Sample, in the present embodiment, the trip is set as 1mm.
Cutter fixing piece 10 is arranged on miniature oil cylinder 3, and one end of cutter 1 is fixed on cutter fixing piece 10, that is, cutter
One end (one end of handle of a knife) of cutter 1 is fixed on miniature oil cylinder 3 by fixing piece 10, the other end (one end of cutting) of cutter 1
It is arranged towards the mouth of a river, under the promotion of miniature oil cylinder 3, cutter fixing piece 10 drives cutter 1 to be moved to mouth of a river direction, until by water
Mouth cut-out.
2 one end of resetting spring is fixed on cutter fixing piece 10, and the other end is arranged towards mouth of a river direction, limited block 80
In dynamic model, and limited block 80 is arranged between resetting spring 2 and the mouth of a river, when miniature oil cylinder 3 pushes cutter 1 to be moved to the mouth of a river
When, resetting spring 2 moves under the drive of cutter fixing piece 10 to limited block 80, and supports limited block 80, when high pressure sequential control
When device processed removes super high pressure oil, miniature oil cylinder 3 is stopped, and cutter 1 arrives raw bits next time in the reply force effect of resetting spring 2
It sets.
Cutter locating piece 11 is located at the mouth of a river, can specifically be fixed by screw and rear mold 8.Cutter locating piece 11 has
The locating slot of cutter 1 is positioned, which corresponds to adaptation cutter 1, and when cutter 1 is moved to the mouth of a river, cutter 1 penetrates locating slot,
And in locating slot to the mouth of a river move so that cutter 1 cut off the mouth of a river position it is more accurate, in addition cutter 1 is also avoided to move repeatedly
It moves and wears mold and cutter 1, reduce since the cost of cutter 1 is replaced in damage.
In the present embodiment, there is cutter fixing piece 10 screens slot, one end of cutter 1 to be equipped with convex block, and convex block is embedded in screens
With the position of fixed cutting tool 1 in slot, above-mentioned mould undercut construction further includes having 1 fixed pin of cutter, and be arranged in cutter fixing piece 10
Side, be provided with the through-hole communicated with screens slot on cutter fixing piece 10,1 fixed pin of cutter, which is contacted and compressed across through-hole, to be cut
Knife 1, to further fix cutter 1.
In the present embodiment, the side in cutter 1 is arranged in resetting spring 2, and there are two the tools of resetting spring 2, is separately positioned on
The opposite both sides of cutter 1, wherein in the fixedly embedded screens slot in 2 one end of resetting spring, the other end is arranged towards mouth of a river direction, when cutting
When knife fixing piece 10 drives cutter 1 to move, also resetting spring 2 is driven to move simultaneously.
In another embodiment, it there are one the settings of resetting spring 2, and is set on cutter 1.The wherein one end of resetting spring 2
It can be together fixed on cutter fixing piece 10 with cutter 1, the other end is worn and mistake by cutter 1, alternatively, resetting spring 2 is direct
It is set on cutter 1, cutter fixing piece volume can be made to become smaller in this way, to make the volume of entire film undercut construction become smaller,
Save cost.
In another embodiment, clamping device is provided on above-mentioned cutter fixing piece 10, cutter 1 can be filled by the clamping
It sets and is fixed on cutter fixing piece 10, there are two clamping plates for clamping device setting, and are connected by elastic component, and the two is made to have phase
Interreaction force, cutter are arranged between two clamping plates, and are fixed to clamped by the active force of two clamping plates.In this way
Setting, cost can be reduced, when cutter damages, the cutter of direct dismounting and change damage is convenient and efficient.
Above-mentioned mould undercut construction further includes having miniature oil cylinder pressing plate 31, and miniature oil cylinder 3 is towards one end of cutter fixing piece 10
Edge setting is jagged, which can enclose along 3 tip edge one of miniature oil cylinder and be arranged, or be arranged at both sides of the edge,
Miniature oil cylinder pressing plate 31, which corresponds to, is adapted to the notch, and is placed in the top of the notch, when notch is enclosed along 3 tip edge one of miniature oil cylinder
And when being arranged, miniature oil cylinder pressing plate 31 is set as annular or blocky, is fixedly installed on above the outside of the notch, for fixed limit
The miniature oil cylinder 3 in position,.
For the preferably conveying of course of work mesohigh oil, miniature oil cylinder 3 corresponds to oil circuit 4 and grooved hole is arranged, set on slot
It is equipped with sealing rubber ring 5, sealing rubber ring 5 is arranged for one week along slot inner wall so that the course of work remains good high pressure shape
State, to drive miniature oil cylinder 3.
The utility model additionally provides a kind of mold, which includes above-mentioned mould undercut construction, and the mould undercut construction is set
It is placed in the rear mold 8 of mold.
In conclusion mold provided by the utility model and film undercut construction, are cut by being arranged in the rear mold 8 of mold
Knife 1, and push cutter 1 to cut off 6 material head of moulding on the mouth of a river by miniature oil cylinder 3, then resetted by resetting spring 2, whole process
Smooth precisely quick, compared with traditional artificial cut-out mouth of a river, not only mouth of a river position is smooth, and product quality improves, and mitigates
Labor intensity of operating staff reduces cost of labor, also greatly increases production efficiency, and be additionally provided with cutter locating piece 11,
So that the position that cutter 1 cuts off the mouth of a river is more accurate, burn failure rate is reduced.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (9)
1. a kind of mould undercut construction, is set in the rear mold of mold, which is characterized in that fixed including cutter, cutter fixing piece, cutter
Position part, resetting spring, limited block, miniature oil cylinder and miniature oil cylinder fixing base；
The miniature oil cylinder is set on miniature oil cylinder fixing base, and oil circuit is provided in the miniature oil cylinder fixing base, described micro-
Type oil cylinder passes through the oil communication high pressure sequence controller；
The cutter fixing piece is arranged on the miniature oil cylinder, and one end of the cutter is fixed on the cutter fixing piece,
Cutter fixing piece described in the miniature oil cylinder pushing drives the cutter to be moved to the mouth of a river direction of the mold so that described to cut
The knife other end cuts off the mouth of a river；
Described resetting spring one end is arranged on the cutter fixing piece, and the other end is arranged in the same direction with the cutter, the limit
Block is set between the resetting spring and the mouth of a river, when the cutter described in the miniature oil cylinder pushing is moved to the mouth of a river, institute
It is mobile to the limited block under the drive of the cutter fixing piece and support the limited block to state resetting spring；
The cutter locating piece is located at the mouth of a river, and the cutter locating piece has the locating slot for positioning the cutter, described
Locating slot, which corresponds to, is adapted to the cutter, and when the cutter is moved to the mouth of a river, the cutter penetrates the locating slot.
2. mould undercut construction as described in claim 1, which is characterized in that the cutter fixing piece has screens slot, described to cut
Knife one end is embedded in the screens slot to fix its position.
3. mould undercut construction as claimed in claim 2, which is characterized in that further include having cutter fixed pin, the cutter is fixed
Pin is set on the side of the cutter fixing piece, and the cutter fixing piece is with the through-hole communicated with the screens slot, the cutter
Fixed pin passes through the through-hole to compress the cutter.
4. mould undercut construction as claimed in claim 2, which is characterized in that the resetting spring is set to the side of the cutter
Side, and the fixedly embedded screens slot in one end of the resetting spring, the other end are arranged towards the mouth of a river direction.
5. mould undercut construction as claimed in claim 4, which is characterized in that there are two the resetting spring settings, described in two
Resetting spring is respectively arranged at the opposite both sides of cutter.
6. mould undercut construction as described in claim 1, which is characterized in that the resetting spring is sheathed on cutter.
7. mould undercut construction as described in claim 1, which is characterized in that further include having miniature oil cylinder pressing plate, the miniature oil
One end margin of cylinder towards the cutter fixing piece is provided with notch, and the miniature oil cylinder pressing plate correspondence adapts to the notch.
8. mould undercut construction as described in claim 1, which is characterized in that further include having sealing rubber ring, the miniature oil cylinder pair
Answer oil circuit setting grooved hole, the sealing rubber ring was arranged along the slot inner wall one week.
9. a kind of mold, which is characterized in that including such as claim 1-8 any one of them mould undercut construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222334.7U CN208020665U (en) | 2018-02-06 | 2018-02-06 | Mold and mould undercut construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222334.7U CN208020665U (en) | 2018-02-06 | 2018-02-06 | Mold and mould undercut construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208020665U true CN208020665U (en) | 2018-10-30 |
Family
ID=63902859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820222334.7U Expired - Fee Related CN208020665U (en) | 2018-02-06 | 2018-02-06 | Mold and mould undercut construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208020665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435182A (en) * | 2018-12-31 | 2019-03-08 | 大连銮艺精密模塑制造有限公司 | Mechanism of the control resin material cutting before die sinking |
| CN111113819A (en) * | 2019-12-04 | 2020-05-08 | 昆山新实达精密电子科技有限公司 | Mould ingate shearing device |
-
2018
- 2018-02-06 CN CN201820222334.7U patent/CN208020665U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435182A (en) * | 2018-12-31 | 2019-03-08 | 大连銮艺精密模塑制造有限公司 | Mechanism of the control resin material cutting before die sinking |
| CN111113819A (en) * | 2019-12-04 | 2020-05-08 | 昆山新实达精密电子科技有限公司 | Mould ingate shearing device |
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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: 20181030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |