CN207825376U - A kind of injection mold taking off structure by force with straight top gate - Google Patents
A kind of injection mold taking off structure by force with straight top gate Download PDFInfo
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- CN207825376U CN207825376U CN201820056844.1U CN201820056844U CN207825376U CN 207825376 U CN207825376 U CN 207825376U CN 201820056844 U CN201820056844 U CN 201820056844U CN 207825376 U CN207825376 U CN 207825376U
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Abstract
The utility model discloses a kind of injection mold taking off structure by force with straight top gate, including dynamic model, Zhi Ding mechanisms, Double-ejection plate and pedestal, Zhi Ding mechanisms have multiple, it includes straight top and mandril, straight top is embedded in the installation position on dynamic model top, and Double-ejection plate can be deviate from straight top by mandril out of dynamic model installation position.The top directly pushed up is the cavity surface to match with dynamic model, and the side directly pushed up is provided with cast gate.It is each directly push up be internally provided with bullet needle, play one end of needle towards cast gate.Each Zhi Ding mechanisms are each equipped with an acceleration mechanism, and the corresponding bullet needle cooperation of each acceleration mechanism realizes that play needle moves to cast gate.Pedestal is located at the lower section of Double-ejection plate, and both sides are connected by a secondary ejecting mechanism with Double-ejection plate respectively.The utility model is by the way that by cast gate setting, on directly top, injection die cavities many places enter hot fluid, quick with type is filled, Forming Quality height, and the material in cast gate finally realizes that finished parts are smoothly ejected out of dynamic model being convenient for detaching with straight push up.
Description
Technical field
The utility model is related to injection mold technologies, and in particular to a kind of injection molding taking off structure by force with straight top gate
Mold.
Background technology
The air grid ontology of automobile is manufactured using injection mold, since the planform muscle position of air grid is close
Collection, and narrower width, the injection die cavities presentation formed after cover half is molded with dynamic model is cellular, if the situation that cast gate is less
Under, molding cycle is long, low production efficiency, and hot fluid has just solidified when being completely filled with injection die cavities not yet, causes to produce
The molding of product part is imperfect, leads to product rejection.Therefore it needs to increase multiple cast gates, in the case where cast gate is more, formed product
Afterwards, material handle and the product piece formed in feeding-passage links together, and causes product piece that cannot be ejected out of dynamic model.Ensureing
The multiple cast gates of injection die cavities are into hot fluid, in the case of capable of being rapidly filled with injection die cavities, need to design a kind of cast gate and take off knot by force
The injection mold of structure is realized that product piece can facilitate and is ejected out of dynamic model.
Utility model content
In view of the above shortcomings of the prior art, the purpose of this utility model is that proposing that a kind of taken off by force with straight top gate is tied
The injection mold of structure solves in the case that multiple cast gates ensure that injection die cavities are rapidly filled with to injection die cavities into hot fluid, cast gate
The problem of molding material handle connect with product piece, causes finished parts that cannot be ejected out of dynamic model.
In order to solve the above-mentioned technical problem, technical solution used by the utility model is：
A kind of injection mold taking off structure by force with straight top gate, including dynamic model, Zhi Ding mechanisms, Double-ejection plate and bottom
Seat, the Zhi Ding mechanisms have multiple comprising straight top and mandril, straight top are embedded in the installation position on dynamic model top, Double-ejection
Plate can be deviate from straight top by mandril out of dynamic model installation position.The top directly pushed up is the cavity surface to match with dynamic model, straight to push up
Side be provided with cast gate.It is each directly push up be internally provided with bullet needle, play one end of needle towards cast gate.Each Zhi Ding mechanisms match
It sets there are one acceleration mechanism, the corresponding bullet needle cooperation of each acceleration mechanism realizes that play needle moves to cast gate.Pedestal is located at secondary
The lower section of liftout plate, both sides are connected by a secondary ejecting mechanism with Double-ejection plate respectively.
Preferably, the mandril of each Zhi Ding mechanisms is two, and two mandrils are vertically arranged in parallel.The upper end of each mandril with
The corresponding bottom directly pushed up is fixedly linked, and lower end is fixedly linked with Double-ejection plate.
Preferably, the acceleration mechanism includes accelerating block, accelerator rod and frizzen, and block is accelerated to pass through shaft and Double-ejection
Plate is rotatablely connected.The lower end of accelerator rod is connected with the side of block is accelerated, and the upper end can be with the other end sliding contact of bullet needle.
Preferably, the frizzen is fixedly mounted in dynamic model, the top face of lower end and the other side for accelerating block.Work
Make under state, frizzen is contacted with block is accelerated, and block is accelerated to be rotated around its shaft, and block driving accelerator rod is accelerated to accelerate.
Preferably, described to play in the bullet pin hole that needle is mounted on inside straight top, each needle that plays is each equipped with a resetting spring.
Preferably, further include needle plate and liftout plate, needle plate, liftout plate, Double-ejection plate are sequentially arranged from top to bottom, needle plate
It is fixedly linked with liftout plate.The both sides of the liftout plate are connected respectively at corresponding secondary ejecting mechanism, and needle plate is provided with several
The upper end of a thimble, all thimbles is matched with the centre hole of dynamic model.
Preferably, the cast gate is trench structure, matches to form feeding-passage with the installation position madial wall of dynamic model.
Preferably, the outside of each mandril is cased with sliding sleeve, and the sliding sleeve is fixedly linked with dynamic model.
By using above-mentioned technical proposal, the advantageous effects of the utility model are：The utility model is by by cast gate
It is arranged in the side directly pushed up, it can be achieved that multiple mouthfuls of injection die cavities enter hot fluid, solves the problems, such as material short shot, generation bubble,
Have the characteristics that fill that type is quick and Forming Quality is high, molding material is the bullet needle that may be disposed in straight top in straight top side face cast gate
Ejection, realize material with the separation directly pushed up, so that finished parts is completely ejected out of dynamic model, obtain qualified product.
Description of the drawings
Fig. 1 is a kind of external structure schematic diagram for the injection mold taking off structure by force with straight top gate of the utility model.
Fig. 2 is a kind of principle schematic diagram for the injection mold taking off structure by force with straight top gate of the utility model.
Fig. 3 is the structural schematic diagram of certain part in Fig. 1, thus it is shown that dynamic model.
Fig. 4 is the principle schematic diagram of Tu2Zhong Zhiding mechanisms and a certain visual angle of acceleration mechanism.
Fig. 5 is the principle schematic diagram of Tu2Zhong Zhiding mechanisms and another visual angle of acceleration mechanism.
Fig. 6 is the matching relationship schematic diagram under another part use state in Fig. 2, thus it is shown that plays needle and pin.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings：
In conjunction with Fig. 1 to Fig. 6, it is a kind of with straight top gate by force take off structure injection mold, including dynamic model 1, Zhi Ding mechanisms 2,
Double-ejection plate 3 and pedestal 8, there are six the Zhi Ding mechanisms 2, and each Zhi Ding mechanisms 2 include straight top 21 and mandril 22, straight top
21 are embedded in the installation position 11 on 1 top of dynamic model.The mandril 22 of each Zhi Ding mechanisms 2 is two, and two mandrils 22 are vertically flat
Row setting, the upper end of each mandril 22 are fixedly linked with the bottom on corresponding straight top 21, lower end and 3 stationary phase of Double-ejection plate
Even.The outside of each mandril 22 is cased with sliding sleeve 23, and the sliding sleeve 23 is fixedly linked with dynamic model 1, and mandril 22 passes through
The realization of sliding sleeve 23 is slidably matched with dynamic model 1, and Double-ejection plate 3 is taken off on straight top 21 by mandril 22 out of dynamic model 1 installation position
Go out.The top on straight top 21 be the cavity surface to match with dynamic model 1, the cavity surface of the cavity surface and dynamic model 1 on straight top 21, together with determine
The cavity surface of mould cooperatively forms injection die cavities.
The side on each straight top 21 is provided with cast gate 24, and the cast gate 24 is the open groove profile knot in side to straight top 21
Structure, cast gate 24 match to form feeding-passage with 11 madial wall of installation position of dynamic model 1, the end of the feeding-passage and injection molding
Chamber communicates, can the cast gate 24 by six straight tops 21 while the heated fluid injection into injection die cavities in injection molding.It is each described straight
The equal lateral arrangement in inside on top 21, which has, plays needle 7, plays one end of needle 7 towards its corresponding cast gate 24, playing needle 7 can be relative to straight top 21
It slides laterally, it can be by molding material in cast gate 24 ejection.
Each Zhi Ding mechanisms 2 are each equipped with an acceleration mechanism 4, and the acceleration mechanism 4 includes accelerating block 41, accelerator rod 42
And frizzen 43, accelerate block 41 to be rotatablely connected with fixed block 44 by the shaft 411 in the middle part of it, the fixed block 44 and secondary top
Ejecting plate 3 is fixedly linked together, accelerates the both sides of block 41 can 411 rotation around the shaft.The lower end of accelerator rod 42 and acceleration block 41
Side is connected, and top and the dynamic model 1 of accelerator rod 42 are slidably matched, and accelerates block 41 that can drive accelerator rod 42 around the rotation of its shaft 411
It moves up and down.The upper end of the accelerator rod 42 is inclined-plane by the side of short round needle 7, plays lower part of the needle 7 close to 42 one end of accelerator rod
Also be inclined-plane, the inclined-plane of accelerator rod 42 is contacted with the inclined-plane for playing needle 7 for face, accelerator rod 42 under bullet 7 contact condition of needle, continue to
Upper movement can drive bullet needle 7 to be moved to the direction of cast gate 24.It is described to play in the bullet pin hole that needle 7 is mounted on inside straight top 21, each
It plays needle 7 and is each equipped with a resetting spring, under bullet 7 contact condition of needle, accelerator rod 42 moves downward accelerator rod 42, plays needle 7 and exists
It is moved to away from the direction of cast gate 24 under the action of resetting spring.
The frizzen 43 is fixedly mounted in dynamic model 1, and frizzen 43 is located at the top for accelerating block 41, lower end and acceleration
The top forward direction of the other side of block 41 is opposite.Under working condition, block 41 is accelerated to synchronize upward fortune relative to dynamic model 1 with mandril 22
It is dynamic, after the side contacts corresponding with block 41 is accelerated of the lower end of frizzen 43, accelerates block 41 to continue up, accelerate block 41 around it
Shaft 411 rotates, and accelerates block 41 that accelerator rod 42 is driven to realize and accelerates.The corresponding bullet needle 7 of accelerator rod 42 coordinates, and realizes and plays needle
7 move to cast gate, by molding material the ejection out of cast gate 24, realize material the separation with straight top 21.
The pedestal 8 is located at the lower section of Double-ejection plate 3, both sides respectively by a secondary ejecting mechanism 9 with it is secondary
The respective side of liftout plate 3 is connected, and lifting of the Double-ejection plate 3 relative to pedestal 8, the bottom are realized by secondary ejecting mechanism 9
Seat 8 is also fixedly linked by the installation riser positioned at 3 outside of Double-ejection plate with dynamic model 1.There is one kind straight top gate to take off knot by force
The injection mold of structure further includes needle plate 5 and liftout plate 5, and needle plate 5, liftout plate 6, Double-ejection plate 3 are sequentially arranged from top to bottom,
Needle plate 5 and liftout plate 6 are fixedly linked.The both sides of the liftout plate 6 are connected respectively at corresponding secondary ejecting mechanism 9, secondary top
Going out mechanism 9 drives liftout plate 6 to realize the lifting relative to pedestal 8, and the top of the needle plate 5 is provided with several thimbles 51, institute
There is the upper end of thimble 51 to be matched with the centre hole of dynamic model 1, each thimble 51 can eject the product piece in dynamic model 1.
A kind of operation principle for the injection mold taking off structure by force with straight top gate is as follows：The first step, in the initial state,
Each straight top 21 is respectively positioned in the corresponding installation position 11 of dynamic model 1, and the side wall of installation position 11 and the cast gate 24 of 21 sides of straight top are matched
Conjunction forms feeding-passage.The injection die cavities formed are molded to cover half and dynamic model 1 simultaneously from the cast gate 24 on all straight tops 21 and inject heat
Fluid forms product piece after hot fluid cooling in injection die cavities, and material handle is formed in cast gate 24.Second step, cover half and dynamic model
1 die sinking, secondary ejecting mechanism 9 drive needle plate 5, liftout plate 6, Double-ejection plate 3 to move upwardly together, Zhi Ding mechanisms 2 and acceleration
Mechanism 4 is moved upwardly together with Double-ejection plate 3, and mandril 22 will directly push up 21 and be ejected upwards out of dynamic model 1, while being arranged in needle plate
The ejection out of dynamic model 1 by product piece of thimble 51 on 5.
Third walks, and when directly 21 cast gates of top are located at the outside of dynamic model 1, Zhi Ding mechanisms 2 and acceleration mechanism 4 continue up
While, accelerate after block 41 touches with the lower end of frizzen 43, block 41 to be accelerated to rotate around its shaft 411, realization accelerator rod 42 to
Upper accelerated motion, the upper end of accelerator rod 42 are contacted with needle 7 is played, and bullet needle 7 is driven to be moved to 24 direction of cast gate, and handle will be expected from cast gate
Ejection, 3 stop motion of Double-ejection plate in 24.4th step, secondary ejecting mechanism 9 drive liftout plate 6 and needle plate 5 to continue up fortune
Dynamic, the ejection out of dynamic model 1 by product piece of thimble 51 on needle plate 5 realizes that material completely out out of straight top 1, will carry material handle
Product piece take out out of dynamic model 1.5th step, secondary ejecting mechanism 9 drive needle plate 5, liftout plate 6, Double-ejection plate 3 to reset,
Each straight top 21 is fallen after rise to its corresponding installation position 11, and Double-ejection plate 3 drives accelerator rod 42 to move downward and detached with bullet needle 7,
Needle 7 is played to reset under the action of resetting spring.
The utility model by cast gate being arranged in the side directly pushed up, it can be achieved that multiple mouthfuls of injection die cavities enter hot fluid,
It solves the problems, such as material short shot, generate bubble, have the characteristics that fill that type is quick and Forming Quality is high, is molded in straight top side face cast gate
Material the bullet needle that may be disposed in straight top is ejected, realize material with the separation directly pushed up, finally make finished parts completely from dynamic model
Interior ejection obtains qualified product.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the scope of protection of the utility model.
Claims (8)
1. a kind of injection mold taking off structure by force with straight top gate, including dynamic model, Zhi Ding mechanisms, Double-ejection plate and pedestal,
It is characterized in that, the Zhi Ding mechanisms have it is multiple comprising straight top and mandril, straight top are embedded in the installation position on dynamic model top,
Double-ejection plate can be deviate from straight top by mandril out of dynamic model installation position；The top directly pushed up is the cavity to match with dynamic model
Face, the side directly pushed up are provided with cast gate；It is each directly push up be internally provided with bullet needle, play one end of needle towards cast gate；Each straight top
Mechanism is each equipped with an acceleration mechanism, and the corresponding bullet needle cooperation of each acceleration mechanism realizes that play needle moves to cast gate；Pedestal
Positioned at the lower section of Double-ejection plate, both sides are connected by a secondary ejecting mechanism with Double-ejection plate respectively.
2. a kind of injection mold taking off structure by force with straight top gate according to claim 1, which is characterized in that Mei Gezhi
The mandril for pushing up mechanism is two, and two mandrils are vertically arranged in parallel；The upper end of each mandril is fixed with the corresponding bottom directly pushed up
It is connected, lower end is fixedly linked with Double-ejection plate.
3. a kind of injection mold taking off structure by force with straight top gate according to claim 1, which is characterized in that described to add
Fast mechanism includes accelerating block, accelerator rod and frizzen, and block is accelerated to be rotatablely connected by shaft and Double-ejection plate；Under accelerator rod
It holds and is connected with the side of block is accelerated, the upper end can be with the other end sliding contact of bullet needle.
4. a kind of injection mold taking off structure by force with straight top gate according to claim 3, which is characterized in that described to touch
Hair bar is fixedly mounted in dynamic model, the top face of lower end and the other side for accelerating block；Under working condition, frizzen and acceleration
Block contacts, and block is accelerated to be rotated around its shaft, and block driving accelerator rod is accelerated to accelerate.
5. a kind of injection mold taking off structure by force with straight top gate according to claim 1, which is characterized in that the bullet
Needle is mounted in the bullet pin hole inside straight top, and each needle that plays is each equipped with a resetting spring.
6. a kind of injection mold taking off structure by force with straight top gate according to claim 1, which is characterized in that further include
Needle plate and liftout plate, needle plate, liftout plate, Double-ejection plate are sequentially arranged from top to bottom, and needle plate and liftout plate are fixedly linked；It is described
The both sides of liftout plate are connected respectively at corresponding secondary ejecting mechanism, and needle plate is provided with several thimbles, the upper end of all thimbles
Matched with the centre hole of dynamic model.
7. a kind of injection mold taking off structure by force with straight top gate according to claim 1, which is characterized in that described to pour
Mouth is trench structure, matches to form feeding-passage with the installation position madial wall of dynamic model.
8. a kind of injection mold taking off structure by force with straight top gate according to claim 1, which is characterized in that Mei Geding
The outside of bar is cased with sliding sleeve, and the sliding sleeve is fixedly linked with dynamic model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056844.1U CN207825376U (en) | 2018-01-15 | 2018-01-15 | A kind of injection mold taking off structure by force with straight top gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056844.1U CN207825376U (en) | 2018-01-15 | 2018-01-15 | A kind of injection mold taking off structure by force with straight top gate |
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| CN207825376U true CN207825376U (en) | 2018-09-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247954A (en) * | 2018-01-15 | 2018-07-06 | 青岛海泰科模具有限公司 | A kind of injection mold for taking off structure by force with straight top gate |
| CN114407246A (en) * | 2022-01-26 | 2022-04-29 | 青岛海泰科模具有限公司 | Mould with secondary ejection mechanism |
-
2018
- 2018-01-15 CN CN201820056844.1U patent/CN207825376U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247954A (en) * | 2018-01-15 | 2018-07-06 | 青岛海泰科模具有限公司 | A kind of injection mold for taking off structure by force with straight top gate |
| CN114407246A (en) * | 2022-01-26 | 2022-04-29 | 青岛海泰科模具有限公司 | Mould with secondary ejection mechanism |
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