CN206011620U - A kind of inclined-ejection core pulling mechanism of injection mold - Google Patents
A kind of inclined-ejection core pulling mechanism of injection mold Download PDFInfo
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- CN206011620U CN206011620U CN201620863657.5U CN201620863657U CN206011620U CN 206011620 U CN206011620 U CN 206011620U CN 201620863657 U CN201620863657 U CN 201620863657U CN 206011620 U CN206011620 U CN 206011620U
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- oblique top
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- plane
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Abstract
This utility model is related to a kind of inclined-ejection core pulling mechanism of injection mold, including being symmetricly set in two oblique top push rods and two oblique top mold inserts of molding die both sides, oblique top push rod and oblique top mold insert are corresponded and are arranged, two oblique top push rods are vertically arranged and are spaced apart, and its upper end all extends to molding die both sides, oblique top mold insert is covered at the top of corresponding oblique top push rod, and it is located at molding die both sides, and which is respectively provided with the back-off type face that mates with shaped article towards the one side of molding die, inclined-plane is disposed as at the top of oblique top push rod, and the inclined-plane is inclined upwardly towards two relative inner sides of oblique top push rod, oblique top mold insert bottom is set to and the inclined-plane coincideing at the top of corresponding oblique top push rod.Advantage：Simple structure, easy to use, core pulling is convenient, and oblique top push rod intensity is high, long service life.
Description
Technical field
This utility model is related to injection mold technical field, more particularly to a kind of inclined-ejection core pulling mechanism of injection mold.
Background technology
Inclined-tip core mechanism is common mechanism in manufacture auto parts injection forming mold molding, and oblique top only make by core pulling
With, moreover it is possible to play ejection effect.Because of the limitation that product structure overall dimensions are required, cause the release space chi of mould structure oblique top
Very little limited, the usual way of oblique top is very thin, and processing easily deforms, and normal mould structure oblique top makes becomes tiny relatively, intensity
Can also die down relatively, it is difficult to tackle the high-frequency normal injection production of high intensity.
In traditional inclined-tip core mechanism, oblique top push rod is mostly and is obliquely installed, and causes and is obliquely installed, in the vertical direction
Bearing capacity is less, in injection molded pressure load function influence, the situation of oblique top deformation fracture often occurs, causes often to keep in repair mould
Tool, oblique top of reforming, processing and manufacturing operation is more, complex process, and elapsed time is long, and maintenance cost is at a relatively high, and economic benefit can only band
Carry out negative growth, and affect follow-up normal production.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of inclined-ejection core pulling mechanism of injection mold, effectively solves
The defect of prior art of having determined.
The technical scheme that this utility model solves above-mentioned technical problem is as follows：A kind of inclined-ejection core pulling mechanism of injection mold,
Including being symmetricly set in two oblique top push rods and two oblique top mold inserts of molding die both sides, above-mentioned oblique top push rod and oblique top mold insert
Correspond and arrange, two above-mentioned oblique top push rods are vertically arranged and are spaced apart, and its upper end all extends to molding die two
Side, above-mentioned oblique top mold insert are covered at the top of corresponding above-mentioned oblique top push rod, and are located at molding die both sides, and which is towards shaping mould
The one side of core is respectively provided with the back-off type face that mates with shaped article, is disposed as inclined-plane, and the inclined-plane at the top of above-mentioned oblique top push rod
Be inclined upwardly towards two relative inner sides of oblique top push rod, above-mentioned oblique top mold insert bottom be set to at the top of corresponding oblique top push rod
Identical inclined-plane, during die sinking, two above-mentioned oblique top push rods are synchronously moved up, and drive corresponding oblique top mold insert to move up,
And in moving process, oblique top mold insert is slid in and out along corresponding oblique top push rod top bevel so that produce with molding in back-off type face
Pint from.
The beneficial effects of the utility model are：Simple structure, easy to use, core pulling is convenient, and oblique top push rod intensity is high, uses
Life-span length.
On the basis of above-mentioned technical proposal, this utility model can also do following improvement.
Further, the both sides in front and back of each above-mentioned oblique top push rod upper end are arranged with breach, and above-mentioned breach bottom surface is arranged
For inclined-plane, the inclined-plane is parallel with the inclined-plane at the top of corresponding above-mentioned oblique top push rod, two before and after corresponding above-mentioned oblique top mold insert bottom
Side is provided with the abutting sliding part for extending downwardly and mating with above-mentioned breach, and above-mentioned abutting sliding part bottom abuts corresponding above-mentioned scarce
On the bottom surface of mouth, and can slide along the bottom surface of above-mentioned breach.
It is that oblique top push rod is compact with the cooperation of oblique top mold insert using the beneficial effect of above-mentioned further scheme, design is closed
Reason, dexterous, during oblique top push rod vertical shift, can be achieved with the purpose that the outside side shifting of oblique top mold insert is opened.
Further, above-mentioned oblique top mold insert is integrally formed with sliding part is abutted.
It is that its structural strength is higher using the beneficial effect of above-mentioned further scheme.
Further, above-mentioned abutting sliding part is the wedge structure that plane of structure section is gradually reduced from top to bottom.
It is reasonable in design using the beneficial effect of above-mentioned further scheme, slides while being easy to oblique top mold insert vertically movable
Open.
Further, cunning is arranged with the both sides side wall of the corresponding indentation, there in both sides before and after each above-mentioned oblique top push rod upper end
Groove, above-mentioned chute are obliquely installed, and parallel with the top bevel of corresponding above-mentioned oblique top push rod, set on the inside of above-mentioned abutting sliding part
There are the slide block mated with above-mentioned chute, above-mentioned slide block to be located in corresponding chute, and can be along slide.
The reasonable in design using the beneficial effect of above-mentioned further scheme, it is to avoid oblique top mold insert open when with oblique
Depart between propulsion arm, affect normal core pulling operation.
Further, also include strengthening cage plate, above-mentioned reinforcing sleeve plate level is arranged, two above-mentioned oblique top push rods both pass through above-mentioned
Strengthen cage plate, and can move up and down relative to cage plate is strengthened.
It is that oblique top push rod is strengthened using the beneficial effect of above-mentioned further scheme so as to will not affected by external force
The larger lateral stress of lower generation, it is to avoid which occurs the situations such as bending.
Further, above-mentioned oblique top push rod bottom is removably provided with fixed block.
Oblique top push rod is easy for using the beneficial effect of above-mentioned further scheme to be arranged in mould by fixed block, dismounting
More convenient, beneficial to maintenance, change.
Description of the drawings
Fig. 1 is the cross-sectional view of the inclined-ejection core pulling mechanism of injection mold of the present utility model；
Fig. 2 is cross-sectional view of the inclined-ejection core pulling mechanism of injection mold of the present utility model during core pulling；
Fig. 3 be injection mold of the present utility model inclined-ejection core pulling mechanism in the assembling of oblique top push rod and oblique top mold insert illustrate
Figure；
Fig. 4 be injection mold of the present utility model inclined-ejection core pulling mechanism in oblique top push rod structural representation；
Fig. 5 be injection mold of the present utility model inclined-ejection core pulling mechanism in oblique top mold insert structural representation.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, oblique top push rod, 2, oblique top mold insert, 3, molding die, 4, strengthen cage plate, 5, fixed block, 11, chute, 21, back-off
Type face, 22, abut sliding part, 221, slide block.
Specific embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
New, it is not intended to limit scope of the present utility model.
Embodiment：As illustrated in fig. 1 and 2, the inclined-ejection core pulling mechanism of the injection mold of the present embodiment includes being symmetrical arranged
In two oblique top push rods 1 and two oblique top mold inserts 2 of 3 both sides of molding die, 2 one a pair of above-mentioned oblique top push rod 1 and oblique top mold insert
Should arrange, two above-mentioned oblique top push rods 1 are vertically arranged and are spaced apart, and its upper end all extends to 3 both sides of molding die, on
State oblique top mold insert 2 to cover at the top of corresponding above-mentioned oblique top push rod 1, and be located at 3 both sides of molding die, and which is towards molding die
3 one side is respectively provided with the back-off type face 21 that mates with shaped article, is disposed as inclined-plane, and this is oblique at the top of above-mentioned oblique top push rod 1
It is inclined upwardly facing to two relative inner sides of oblique top push rod 1, above-mentioned 2 bottom of oblique top mold insert is set to and corresponding oblique top push rod
The inclined-plane coincideing at the top of 1, during die sinking, two above-mentioned oblique top push rods 1 are synchronous to move up, and drive corresponding oblique top mold insert 2 to
Upper movement, and in moving process, oblique top mold insert 2 is slid in and out along corresponding 1 top bevel of oblique top push rod so that back-off type face
21 are departed from shaped article.
In injection moulding process, molding in top die cavity of the product in molding die 3, die cavity both sides are respectively close to oblique top mold insert
2 sides are open, and the back-off type face 21 of oblique top mold insert 2 forms product with common injection of die cavity at the top of molding die 3, produces after molding
In back-off type face 21, during die sinking, two oblique top push rods 1 are moved up by jack-up in the back-off face of product, synchronous drive oblique top edge
Part 2 moves up ejection shaped article, and during oblique top mold insert 2 is moved up, oblique top mold insert 2 is pushed up along oblique top push rod 1 simultaneously
The inclined-plane in portion slides in and out so that back-off type face 21 is departed from shaped article, and so far, shaped article completes to inlay with die cavity and oblique top
The disengaging of part 2, take out shaped article, because oblique top push rod 1 is vertically arranged, its in the vertical direction can bearing stress larger,
So that its more difficult fracture, increases the service life.
In certain embodiments, as shown in Fig. 3 to 5, before and after each above-mentioned 1 upper end of oblique top push rod, both sides are arranged with
Breach, above-mentioned breach bottom surface are set to inclined-plane, and the inclined-plane is parallel with the inclined-plane at the top of corresponding above-mentioned oblique top push rod 1, corresponding
Before and after above-mentioned 2 bottom of oblique top mold insert, both sides are provided with the abutting sliding part 22 for extending downwardly and mating with above-mentioned breach, above-mentioned abutting
22 bottom of sliding part is abutted on the bottom surface of corresponding above-mentioned breach, and can be slided along the bottom surface of above-mentioned breach, and this allows for oblique top
In the state for engaging between mold insert 2 and oblique top push rod 1, in moving process, both are not susceptible to depart from, it is ensured that shaped article is suitable
Profit ejection.
Preferably, above-mentioned oblique top mold insert 2 is integrally formed with sliding part 22 is abutted so that 2 overall construction intensity of oblique top mold insert
Higher.
Preferably, above-mentioned abutting sliding part 22 is the wedge structure that plane of structure section is gradually reduced from top to bottom so that abut
Sliding part 22 is synchronously slid in and out when can realize well moving up in limited mobile space.
Preferably, it is arranged with the both sides side wall of the corresponding indentation, there in both sides before and after each above-mentioned 1 upper end of oblique top push rod
Chute 11, above-mentioned chute 11 are obliquely installed, and parallel with the top bevel of corresponding above-mentioned oblique top push rod 1, and above-mentioned abutting slides
The slide block 221 mated with above-mentioned chute 11 is provided with the inside of portion 22, and above-mentioned slide block 221 is located in corresponding chute 11, and can be along cunning
Groove 11 slides so that between oblique top push rod 1 and oblique top mold insert 2, match ratio is tightr, is not easily disconnected from or occurs angle displacement change,
Ensure that the shaped article demoulding is smooth, it is ensured that the quality of shaped article.
Preferably, also include strengthening cage plate 4, above-mentioned reinforcement cage plate 4 is horizontally disposed with, and two above-mentioned oblique top push rods 1 are both passed through
Above-mentioned reinforcement cage plate 4, and can move up and down relative to cage plate 4 is strengthened so that oblique top push rod 1 during vertically movable and is carried
Horizontal bending situation is not susceptible under external force, improves its structural strength and bearing stress.
Preferably, above-mentioned 1 bottom of oblique top push rod is removably provided with fixed block 5, and fixed block 5 is installed in mould,
Oblique top push rod 1 is being assembled on fixed block 5, and dismounting is more convenient, easily which is torn open when oblique top push rod 1 is damaged or ruptured
Except maintenance or replacing.
Preferred embodiment of the present utility model is the foregoing is only, not in order to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements that is made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (7)
1. a kind of inclined-ejection core pulling mechanism of injection mold, it is characterised in that：Including being symmetricly set in the two of molding die (3) both sides
Individual oblique top push rod (1) and two oblique top mold inserts (2), oblique top push rod (1) and oblique top mold insert (2) correspond and arrange, two
Oblique top push rod (1) is vertically arranged and is spaced apart, and its upper end all extends to molding die (3) both sides, the oblique top
Mold insert (2) is covered at the top of corresponding oblique top push rod (1), and is located at molding die (3) both sides, and which is towards molding die
(3) one side is respectively provided with the back-off type face (21) that mates with shaped article, is disposed as inclined-plane at the top of oblique top push rod (1),
And the inclined-plane is inclined upwardly towards two relative inner sides of oblique top push rod (1), oblique top mold insert (2) bottom be set to corresponding
Oblique top push rod (1) at the top of the inclined-plane that coincide, during die sinking, two described oblique top push rod (1) synchronously moves up, and drives corresponding
Oblique top mold insert (2) move up, and in moving process, oblique top mold insert (2) along corresponding oblique top push rod (1) top bevel to
Outer slip so that back-off type face (21) is departed from shaped article.
2. the inclined-ejection core pulling mechanism of a kind of injection mold according to claim 1, it is characterised in that：Each described oblique top is pushed away
Before and after bar (1) upper end, both sides are arranged with breach, and the breach bottom surface is set to inclined-plane, and the inclined-plane is described oblique with corresponding
Inclined-plane at the top of propulsion arm (1) is parallel, before and after corresponding oblique top mold insert (2) bottom both sides be provided with extend downwardly and with described
The abutting sliding part (22) of breach coupling, sliding part (22) bottom that abuts are abutted on the bottom surface of the corresponding breach, and
Can slide along the bottom surface of the breach.
3. the inclined-ejection core pulling mechanism of a kind of injection mold according to claim 2, it is characterised in that：The oblique top mold insert
(2) with abut sliding part (22) and be integrally formed.
4. the inclined-ejection core pulling mechanism of a kind of injection mold according to claim 3, it is characterised in that：The abutting sliding part
(22) wedge structure being gradually reduced for plane of structure section from top to bottom.
5. the inclined-ejection core pulling mechanism of a kind of injection mold according to claim 4, it is characterised in that：Each described oblique top is pushed away
Chute (11) is arranged with the both sides side wall of the corresponding indentation, there in both sides before and after bar (1) upper end, and described chute (11) incline and set
Put, and parallel with the top bevel of corresponding oblique top push rod (1), it is provided with and the cunning on the inside of abutting sliding part (22)
The slide block (221) that groove (11) mates, described slide block (221) are located in corresponding chute (11), and can be slided along chute (11).
6. the inclined-ejection core pulling mechanism of a kind of injection mold according to any one of claim 1 to 5, it is characterised in that：Also wrap
Reinforcement cage plate (4) is included, reinforcement cage plate (4) is horizontally disposed with, and two oblique top push rod (1) both pass through the reinforcement cage plate
(4), and can relative to strengthen cage plate (4) move up and down.
7. the inclined-ejection core pulling mechanism of a kind of injection mold according to any one of claim 1 to 5, it is characterised in that：Described
Oblique top push rod (1) bottom is removably provided with fixed block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620863657.5U CN206011620U (en) | 2016-08-10 | 2016-08-10 | A kind of inclined-ejection core pulling mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620863657.5U CN206011620U (en) | 2016-08-10 | 2016-08-10 | A kind of inclined-ejection core pulling mechanism of injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN206011620U true CN206011620U (en) | 2017-03-15 |
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ID=58248665
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620863657.5U Active CN206011620U (en) | 2016-08-10 | 2016-08-10 | A kind of inclined-ejection core pulling mechanism of injection mold |
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| CN (1) | CN206011620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076317A (en) * | 2019-05-26 | 2019-08-02 | 深圳市宝田精工塑胶模具有限公司 | Ramp-roof structure and kirsite molding die including ramp-roof structure |
-
2016
- 2016-08-10 CN CN201620863657.5U patent/CN206011620U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076317A (en) * | 2019-05-26 | 2019-08-02 | 深圳市宝田精工塑胶模具有限公司 | Ramp-roof structure and kirsite molding die including ramp-roof structure |
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| GR01 | Patent grant |