CN208133533U - The long-service die of low abrasion - Google Patents
The long-service die of low abrasion Download PDFInfo
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- CN208133533U CN208133533U CN201820496610.9U CN201820496610U CN208133533U CN 208133533 U CN208133533 U CN 208133533U CN 201820496610 U CN201820496610 U CN 201820496610U CN 208133533 U CN208133533 U CN 208133533U
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- compressive plane
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Abstract
The utility model provides a kind of long-service die of low abrasion comprising moving template, solid plate and the side core-drawing mechanism being arranged between moving template and solid plate, side core-drawing mechanism include the first sliding block.Second sliding block, wedge block and inclined guide pillar, wherein be provided with the first piecemeal on the first sliding block, the second piecemeal is provided on the second sliding block, the first piecemeal and the second piecemeal docking composition are used to form the pellet of the lateral hole slot of product.The long-service die of the low abrasion of the utility model passes through the first sliding block of setting and the second sliding block, when die sinking, inclined guide pillar first squeezes the first sliding block the first piecemeal is made to carry out a degree of core pulling, then squeezing the second sliding block again makes the second piecemeal carry out core pulling, so that casting gradually decomposes the package power of pellet, it wears and reduces when core pulling, so that side core-pulling is more smooth, more efficiently, while but also inclined guide pillar has longer service life.
Description
Technical field
The utility model relates to mould applications, in particular to a kind of long-service die of low abrasion.
Background technique
With the continuous improvement of industrial automatization, mold using more and more extensive；Injection mould in the prior art
Has only one die sinking direction, but much plastic products are since side wall is with through-hole, groove or boss, so that needing on mold
Multiple core pulling directions, prior art means are usually to reach this by the way that undercut and side core-drawing mechanism are arranged on mold
A purpose (side core-pulling is extract the pellet on mold from the interiors of products after solidification out the course of work)；
Wherein, inclined guide pillar side core-drawing mechanism is a kind of widely used side core-pulling structure, but when casting is to lateral type
When the package power of core is larger, the friction between inclined guide pillar and side core-pulling sliding block is also larger, is easy so that inclined guide pillar wear-out failure,
The risk even to fracture with bending, the damage of side core-drawing mechanism not only influence working efficiency, also the manufacture of increase mold at
This.
Therefore need to provide a kind of long-service die of low abrasion to solve above-mentioned technical problem.
Utility model content
The utility model provides a kind of long-service die of low abrasion, by the way that the first sliding block and the second sliding block is arranged,
It is provided with the first piecemeal on first sliding block, the second piecemeal, the first piecemeal and the second piecemeal docking group are provided on the second sliding block
At the pellet for being used to form the lateral hole slot of product, to solve mold in the prior art since casting is to the package power of side core_pulling
It is larger, the problem of be easy to causeing inclined guide pillar to fracture or wear-out failure, and then influence working efficiency, increase the cost of mold manufacture.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of long-service die of low abrasion, packet
Include moving template, solid plate and the side core-drawing mechanism being arranged between the moving template and the solid plate, the moving template
Die cavity is formed when with solid plate molding, wherein the side core-drawing mechanism includes：
First sliding block is slidably arranged in the one side of the opposite moving template of the solid plate, in first sliding block
Side is provided with the first piecemeal, includes the first compressive plane and the second compressive plane on first sliding block；
Second sliding block is slidably arranged in the one side of the opposite moving template of the solid plate, in second sliding block
Side is provided with the second piecemeal, and first piecemeal and second piecemeal docking composition are used to form the core of the lateral hole slot of product
Block includes third compressive plane and the 4th compressive plane on second sliding block；
Wedge block is fixed on the moving template, the wedge block for when molding with the moving template it is mobile with
Squeezing first compressive plane slides first sliding block, and squeezes the third compressive plane and make second sliding block
Sliding, so that the pellet extends in the die cavity；
Inclined guide pillar is fixed on the moving template, the inclined guide pillar for when being opened with the moving template it is mobile with
Squeezing second compressive plane slides first sliding block, and squeezes the 4th compressive plane and make second sliding block
Sliding, so that the pellet slides out to except the die cavity；
Wherein, described when the wedge block is contacted with first compressive plane and third compressive plane extruding simultaneously
First piecemeal and second piecemeal docking form the pellet；
When first piecemeal and second piecemeal docking form the pellet, second compressive plane is oblique from described
The minimum range of guide post is less than the minimum range of the 4th compressive plane from the inclined guide pillar.
In the present invention, the cross-sectional area of the one end of first piecemeal far from first sliding block is less than close to institute
One end cross-sectional area of the first sliding block is stated, in favor of the first piecemeal side core-pulling.
In the present invention, second compressive plane and the 4th compressive plane are parallel to each other, when first piecemeal
When docking the composition pellet with second piecemeal, the distance between second compressive plane and the 4th compressive plane are 1
~3mm.
In the present invention, the wedge block is made of main body block and crushing block, and the main body block is used to move with described
Template is fixedly connected, and for the crushing block for squeezing first sliding block and second sliding block, the hardness of the crushing block is big
In the hardness of the main body block.
In the present invention, the inclined guide pillar is embedded is fixedly connected on the wedge block, and the wedge block includes using
In the inclined-plane for squeezing first sliding block and second sliding block, the inclination side of the inclined direction of the inclined guide pillar and the inclined-plane
To consistent.
In the present invention, the cross section of the inclined guide pillar is ellipticity, first sliding block and second sliding block
Combination forms oblique through hole corresponding with the inclined guide pillar, and second compressive plane and the 4th compressive plane are the oblique through hole
Inner wall.
In the present invention, the limit for limiting the second sliding block sliding position is additionally provided on the solid plate
Position block, is provided through the guide rod being fixedly connected with second sliding block on the limited block, separate in the guide rod
One end of second sliding block is provided with end, and the end and second sliding block are located at the two of the limited block
Side is arranged with spring on the guide rod, and the spring is between the limited block and the end, when second cunning
When block and the limited block contact, the spring is in compressive state.
Further, be provided with convex block on second sliding block, be provided on first sliding block for it is described
The groove that convex block is correspondingly connected with, the convex block are used to drive first sliding block when the spring pulls second sliding block
It is contacted with the limited block, the groove is greater than the convex block, when first piecemeal and second piecemeal docking composition
When the pellet, the side in the convex block and the groove close to first piecemeal is at a distance of set distance.
In the present invention, the pellet is cylindric or square.
In the present invention, it is located by connecting between the solid plate and the moving template by guide post, in the cover half
The sprue puller of product is fixed when being additionally provided on plate for being opened and separates product with the solid plate for releasing product
Push rod.
Compared to the prior art, its advantages are the utility model：The long-service die of the low abrasion of the utility model
By setting the first sliding block and the second sliding block, when die sinking, inclined guide pillar first squeezes the first sliding block the first piecemeal is made to carry out certain journey
Then the core pulling of degree squeezes the second sliding block and the second piecemeal is made to carry out core pulling, again so that package power quilt of the casting to pellet
It gradually decomposes, abrasion reduces when core pulling, so that side core-pulling is more smooth, more efficiently, while but also inclined guide pillar has more
Long service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below in embodiment
Required attached drawing is briefly described, and the accompanying drawings in the following description is only that the section Example of the utility model is corresponding
Attached drawing.
Fig. 1 is the structural schematic diagram of the preferred embodiment of the long-service die of the low abrasion of the utility model.
Structure when the first piecemeal and the second piecemeal that Fig. 2 is the long-service die of the low abrasion of the utility model separate is shown
It is intended to.
Fig. 3 is the first piecemeal and the second piecemeal pair of the preferred embodiment of the long-service die of the low abrasion of the utility model
Connect structural schematic diagram when combination.
Specific embodiment
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, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
When mold in the prior art is larger due to package power of the casting to side core_pulling, inclined guide pillar and side core-pulling sliding block
Between friction it is also larger, be easy so that inclined guide pillar wear-out failure, or even the risk to fracture with bending, side core-drawing mechanism
Damage not only influences working efficiency, the also cost of increase mold manufacture.
It the following is a kind of the excellent of the long-service die of low abrasion that can solve the above technical problem provided by the utility model
Select embodiment.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, wherein Fig. 1 is the preferred implementation of the long-service die of the low abrasion of the utility model
The structural schematic diagram of example, when Fig. 2 is the first piecemeal and the separation of the second piecemeal of the long-service die of the low abrasion of the utility model
Structural schematic diagram, Fig. 3 be the utility model low abrasion long-service die preferred embodiment the first piecemeal and second
Structural schematic diagram when piecemeal docking combination.
The similar unit of structure is to be given the same reference numerals in the figure.
The preferred embodiment of the long-service die of low abrasion provided by the utility model is：A kind of long-life mould of low abrasion
Tool comprising moving template 11, solid plate 12 and the side core-drawing mechanism being arranged between moving template 11 and solid plate 12, dynamic model
Plate 11 and solid plate 12 form the die cavity for being used for injection product 13 when molding；
Wherein side core-drawing mechanism includes：
First sliding block 21 is slidably arranged in the one side of the opposite moving template 11 of solid plate 12, in the side of the first sliding block 21
It is provided with the first piecemeal 231, includes the first compressive plane 211 and the second compressive plane on the first sliding block 21；
Second sliding block 22 is slidably arranged in the one side of the opposite moving template 11 of solid plate 12, in the side of the second sliding block 22
It is provided with the second piecemeal 232, the first piecemeal 231 and the second piecemeal 232 docking composition are used to form core of 13 side of product to hole slot
Block 23 includes third compressive plane 221 and the 4th compressive plane on second sliding block 22；
Wedge block 15 is fixed on moving template 11, and wedge block 15 is for mobile to squeeze with moving template 11 when molding
First compressive plane 211 slides the first sliding block 21, and squeezes third compressive plane 221 and second sliding block 22 is slided, in turn
So that pellet 23 extends in die cavity；
Inclined guide pillar 16 is fixed on moving template 11, and inclined guide pillar 16 is for mobile to squeeze with moving template 11 when being opened
Second compressive plane slides the first sliding block 21, and squeezes the 4th compressive plane and the second sliding block 22 is slided, so that core
Block 23 slides out to except die cavity, and the second compressive plane and the 4th compressive plane can refer to the inside bottom surface of the oblique through hole 24 in Fig. 2；
Wherein, when wedge block 15 is contacted with the first compressive plane 211 and the extruding of third compressive plane 221 simultaneously, the first piecemeal
231 and second piecemeal 232 docking composition pellet 23；
When the first piecemeal 231 and the second piecemeal 232 docking composition pellet 23, minimum of second compressive plane from inclined guide pillar 16
Distance is less than the 4th minimum range of the compressive plane from inclined guide pillar 16, so that when inclined guide pillar 16 can first squeeze the first sliding block 21, in turn
So that the first piecemeal 231 carries out a degree of core pulling, until the second compressive plane and the 4th compressive plane are in the same plane, shape
At state shown in Fig. 2；
Later, inclined guide pillar 16 just can generate extruding force to the second sliding block 22, take out the second piecemeal 232
Core gradually decomposes casting by twice core pulling to the package power of pellet, so that core pulling is more smooth, wears smaller.
Preferably, the cross-sectional area of the one end of the first piecemeal 231 far from the first sliding block 21 is less than close to the first sliding block 21
One end cross-sectional area, in favor of 231 side core-pulling of the first piecemeal.
In addition, the second compressive plane and the 4th compressive plane are parallel to each other, when 232 docking group of the first piecemeal 231 and the second piecemeal
When at pellet 23, the distance between the second compressive plane and the 4th compressive plane are 1~3mm, and inclined guide pillar 16 need to squeeze the first sliding block
21 1~3mm of sliding can make the second compressive plane and the 4th compressive plane pumping in the same plane to carry out entire pellet 23
Core.
In the preferred embodiment, wedge block 15 is made of main body block 151 and crushing block 152, and main body block 151 is used for and moves
Template 11 is fixedly connected, and crushing block 152 is greater than master for squeezing the first sliding block 21 and the second sliding block 22, the hardness of crushing block 152
The hardness of body block 151, biggish 152 wearability of crushing block of hardness is stronger, and the working life for squeezing it is longer, by main body
Block 151 and crushing block 152 collectively constitute wedge block and make more reasonable structure, and cost is lower.
Inclined guide pillar 16 is embedded to be fixedly connected on wedge block 15, and wedge block 15 includes for squeezing the first sliding block 21 and second
The inclined-plane of sliding block 22, the inclined direction of inclined guide pillar 16 and the inclined direction on inclined-plane are consistent.
In addition, the cross section of inclined guide pillar 16 is ellipticity, the first sliding block 21 and the second sliding block 22 combination formation and inclined guide pillar
16 corresponding oblique through holes 24, the second compressive plane and the 4th compressive plane are the inner wall of oblique through hole 24.
In the preferred embodiment, the limit for limiting 22 sliding position of the second sliding block is additionally provided on solid plate 12
Block 17 is provided through the guide rod 18 being fixedly connected with the second sliding block 22 on limited block 17, in guide rod 18 far from second
One end of sliding block 22 is provided with end, and end and the second sliding block 22 are located at the two sides of limited block 17, cover on guide rod 18
Equipped with spring 19, spring 19 is between limited block 17 and end；
When the second sliding block 22 is contacted with limited block 17, spring 19 is in compressive state, is guaranteed out by talk 19
The second sliding block 22 is always positioned at fixed initial bit after mould, so that the extruding of the second sliding block 22 and wedge block 15 when molding is matched
It closes.
Meanwhile it being provided with convex block 222 on the second sliding block 22, it is provided on the first sliding block 21 for right with convex block 222
The groove that should be connected, convex block 222 are used to drive the first sliding block 21 to connect with limited block 17 when spring 19 pulls the second sliding block 22
Touching guarantees that the first sliding block 21 is also always positioned at fixed initial bit by convex block 222；
Wherein, groove is greater than convex block 222, when the first piecemeal 231 and the second piecemeal 232 docking composition pellet 23, convex block
222 with the side in groove close to the first piecemeal 231 at a distance of set distance so that can squeeze under the first sliding block 21 when inclined guide pillar 16
The second sliding block 22 will not be driven to glide by convex block 222 when sliding.
Pellet 23 can be cylindric or square.
In the preferred embodiment, it is located by connecting between solid plate 12 and moving template 11 by guide post 1A, in solid plate 12
On the sprue puller 1B of fixed product 13 and make product 13 and solid plate 12 for releasing product 13 when being additionally provided with for being opened
Isolated push rod 1C.
The working principle of the utility model：When molding, the first sliding block 21 and the second sliding block 22 are located under the pulling of guide rod
In initial position shown in Fig. 3, moving template 11 is molded by injector drive, and wedge block 15 and inclined guide pillar 16 are with moving template 11
Gradually close to solid plate 12, inclined guide pillar 16 can be slided first with the first sliding block 21 of driving and the second sliding block 22, slide into a setting
The inclined-plane that will pass through on wedge block 15 when position forms extruding to the first compressive plane 211 and third compressive plane 221, so that core
Block 23 is gradually inserted in die cavity, and the back segment stroke of the first sliding block 21 and the sliding of the second sliding block 22 is driven by wedge block 15, can be protected
Card finally holds out against the first sliding block 21 and the second sliding block 22 by wedge block 15, and the pellet being inserted into die cavity 23 is preferably held
By injection pressure；
After product 13 is injection moulded and is solidified, moving template 11 is opened by injector drive, and inclined guide pillar 16 is with dynamic model
Right of the plate 11 into Fig. 1 is mobile, and inclined guide pillar 16 first squeezes the sliding of the first sliding block 21, so that the first piecemeal 231 carries out one
The core pulling for determining degree, when the second compressive plane on the first sliding block 21 is concordant with the fourth face on the second sliding block 22, inclined guide pillar 16
The first sliding block 21 and the sliding of the second sliding block 22 are squeezed simultaneously, so that entire pellet 23 is gradually pulled out from cured interiors of products
Come.
The side core-pulling process of the long-service die of the low abrasion of this preferred embodiment is completed in this way.
The long-service die of the low abrasion of this preferred embodiment is oblique when die sinking by the first sliding block of setting and the second sliding block
Guide post first squeezes the first sliding block and the first piecemeal is made to carry out a degree of core pulling, then squeezes the second sliding block again and makes second point
Block carries out core pulling, so that casting gradually decomposes the package power of pellet, abrasion reduces when core pulling, so that side core-pulling is more
Add smoothly, more efficiently, while but also inclined guide pillar has longer service life.
Although above preferred embodiment is not used in conclusion the utility model is disclosed above with preferred embodiment
To limit the utility model, those skilled in the art can make without departing from the spirit and scope of the utility model
It is various to change and retouch, therefore the protection scope of the utility model subjects to the scope of the claims.
Claims (10)
1. a kind of long-service die of low abrasion, which is characterized in that including moving template, solid plate and be arranged in the moving template
Side core-drawing mechanism between the solid plate, the moving template and the solid plate form die cavity when molding, wherein described
Side core-drawing mechanism includes：
First sliding block is slidably arranged in the one side of the opposite moving template of the solid plate, in the side of first sliding block
It is provided with the first piecemeal, includes the first compressive plane and the second compressive plane on first sliding block；
Second sliding block is slidably arranged in the one side of the opposite moving template of the solid plate, in the side of second sliding block
It is provided with the second piecemeal, first piecemeal and second piecemeal docking composition are used to form the pellet of the lateral hole slot of product,
It include third compressive plane and the 4th compressive plane on second sliding block；
Wedge block is fixed on the moving template, and the wedge block is for mobile to squeeze with the moving template when molding
First compressive plane slides first sliding block, and squeezes the third compressive plane and make second sliding block sliding
It is dynamic, so that the pellet extends in the die cavity；
Inclined guide pillar is fixed on the moving template, and the inclined guide pillar is for mobile to squeeze with the moving template when being opened
Second compressive plane slides first sliding block, and squeezes the 4th compressive plane and make second sliding block sliding
It is dynamic, so that the pellet slides out to except the die cavity；
Wherein, when the wedge block is contacted with first compressive plane and third compressive plane extruding simultaneously, described first
Piecemeal and second piecemeal docking form the pellet；
When first piecemeal and second piecemeal docking form the pellet, second compressive plane is from the inclined guide pillar
Minimum range be less than the minimum range of the 4th compressive plane from the inclined guide pillar.
2. the long-service die of low abrasion according to claim 1, which is characterized in that first piecemeal is far from described
The cross-sectional area of one end of one sliding block is less than one end cross-sectional area close to first sliding block, in favor of first piecemeal side
To core pulling.
3. the long-service die of low abrasion according to claim 1, which is characterized in that second compressive plane and described
Four compressive planes are parallel to each other, and when first piecemeal and second piecemeal docking composition pellet, described second is squeezed
The distance between face and the 4th compressive plane are 1~3mm.
4. the long-service die of low abrasion according to claim 1, which is characterized in that the wedge block is by main body block and squeezes
Briquetting composition, the main body block for being fixedly connected with the moving template, the crushing block for squeeze first sliding block and
Second sliding block, the hardness of the crushing block are greater than the hardness of the main body block.
5. the long-service die of low abrasion according to claim 1, which is characterized in that the inclined guide pillar is embedded to be fixedly connected
On the wedge block, the wedge block includes the inclined-plane for squeezing first sliding block and second sliding block, described oblique
The inclined direction of guide post is consistent with the inclined direction on the inclined-plane.
6. the long-service die of low abrasion according to claim 1, which is characterized in that the cross section of the inclined guide pillar is ellipse
Round shape, first sliding block and second sliding block combine to form oblique through hole corresponding with the inclined guide pillar, and described second squeezes
Pressure surface and the 4th compressive plane are the inner wall of the oblique through hole.
7. the long-service die of low abrasion according to claim 1, which is characterized in that be additionally provided on the solid plate
For limiting the limited block of the second sliding block sliding position, it is provided through on the limited block and is slided with described second
The guide rod that block is fixedly connected is provided with end, the end and described far from one end of second sliding block in the guide rod
Two sliding blocks are located at the two sides of the limited block, and spring is arranged on the guide rod, and the spring is located at the limit
Between block and the end, when second sliding block is contacted with the limited block, the spring is in compressive state.
8. the long-service die of low abrasion according to claim 7, which is characterized in that be provided on second sliding block
Convex block, is provided with the groove for being correspondingly connected with the convex block on first sliding block, and the convex block is used in the bullet
When spring pulls second sliding block, first sliding block is driven to contact with the limited block, the groove is greater than the convex block,
When first piecemeal and second piecemeal docking form the pellet, close to described the in the convex block and the groove
The side of one piecemeal is at a distance of set distance.
9. the long-service die of low abrasion according to claim 1, which is characterized in that the pellet is cylindric or square
Shape.
10. the long-service die of low abrasion according to claim 1, which is characterized in that the solid plate and the dynamic model
It is located by connecting between plate by guide post, the sprue puller and use of fixed product when being additionally provided on the solid plate for being opened
In the push rod that release product separates product with the solid plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820496610.9U CN208133533U (en) | 2018-04-09 | 2018-04-09 | The long-service die of low abrasion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820496610.9U CN208133533U (en) | 2018-04-09 | 2018-04-09 | The long-service die of low abrasion |
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| CN208133533U true CN208133533U (en) | 2018-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110962391A (en) * | 2019-12-30 | 2020-04-07 | 东莞市嘉宏机电科技有限公司 | Ejection mechanism of bidirectional combined die |
-
2018
- 2018-04-09 CN CN201820496610.9U patent/CN208133533U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110962391A (en) * | 2019-12-30 | 2020-04-07 | 东莞市嘉宏机电科技有限公司 | Ejection mechanism of bidirectional combined die |
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