CN202123627U - Demoulding mechanism of periphery inward back-off type - Google Patents

Demoulding mechanism of periphery inward back-off type Download PDF

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Publication number
CN202123627U
CN202123627U CN2011200430660U CN201120043066U CN202123627U CN 202123627 U CN202123627 U CN 202123627U CN 2011200430660 U CN2011200430660 U CN 2011200430660U CN 201120043066 U CN201120043066 U CN 201120043066U CN 202123627 U CN202123627 U CN 202123627U
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CN
China
Prior art keywords
plate
ejector
ejector retainner
jacking block
auxiliary
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 - Lifetime
Application number
CN2011200430660U
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Chinese (zh)
Inventor
黄福胜
高国利
黄清刚
张飞武
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Shenzhen Silver Basis Technology Co Ltd
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Shenzhen Silver Basis Technology Co Ltd
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Publication date
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Priority to CN2011200430660U priority Critical patent/CN202123627U/en
Application granted granted Critical
Publication of CN202123627U publication Critical patent/CN202123627U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a demoulding mechanism of periphery inward back-off type, which comprises an upper fixing plate, a cavity fixing plate, a cavity, a core, a core fixing plate, an upper ejector retainer plate, a lower ejector retainer plate, a support post, a lower fixing plate, an ejector block, an ejector block connecting rod, an ejector pin of an injection molding machine, an auxiliary ejector retainer plate which is connected with the ejector pin of the injection molding machine, a secondary ejector mechanism which is mainly arranged between the auxiliary ejector retainer plate and the lower ejector retainer plate, and product separating mechanisms which are arranged between the upper ejector retainer plate and the ejector block, and between the lower ejector retainer plate and the ejector block. The demoulding mechanism of periphery inward back-off type pushes the upper ejector retainer plate and the lower ejector retainer plate to move upwards through the secondary ejector mechanism, and then separates products from the ejector block through the product separating mechanism; the demoulding mechanism of periphery inward back-off type can separate the products from the ejector block automatically, thus realizing automatic production of moulds, saving labor cost, and increasing production efficiency and yield of the products.

Description

Interior all around back-off mould emptier
Technical field
The application relates to the mould emptier technical field, interior back-off mould emptier around particularly relating to.
Background technology
Back-off mould emptier in around of the prior art; As shown in Figure 1, this mould emptier comprises: upper mounted plate 1, impression bolster 2, die cavity 3, core 4, core fixing plate 5, last ejector retainner plate 6, following ejector retainner plate 7, bottom plate 8, jacking block 9, jacking block connecting rod 10, injection machine push rod 11 and support column 12.In around said during the demoulding of back-off mould emptier; Moulds open, injection machine push rod 11 move upward, and ejector retainner plate 6 is gone up in promotion and following ejector retainner plate 7 moves upward, and moves upward thereby drive the jacking block connecting rod 10 that fixes with said upward ejector retainner plate 6 and said ejector retainner plate 7 down; And then the jacking block 9 that drive and jacking block connecting rod 10 fix moves upward; Drive product 100 moved upward and leaves core 4 when jacking block 9 moved upward, and at this moment, the state of interior back-off mould emptier is as shown in Figure 2 all around.But this moment, product 100 still was coated on the jacking block 9, needed the staff manually product 100 to be broken off with the fingers and thumb from jacking block 9.This mould emptier belongs to semi-automatic mould emptier, and the production cycle is long, efficient is low, increased cost of labor and artificial very easily cause the product distortion that the fraction defective of product is improved when taking off product, has further increased production cost.
The utility model content
For solving the problems of the technologies described above, the application embodiment provides a kind of interior back-off mould emptier all around, and to solve the existing interior problem that back-off mould emptier production efficiency is low, cost is high, the product fraction defective is high all around, technical scheme is following:
Back-off mould emptier in around a kind of comprises: upper mounted plate, impression bolster, die cavity, core, core fixing plate, last ejector retainner plate, following ejector retainner plate, support column, bottom plate, jacking block, jacking block connecting rod and injection machine push rod also comprise:
The auxiliary top needle plate that is connected with said injection machine push rod;
Mainly be arranged on said auxiliary top needle plate and said secondary ejecting mechanism between the ejector retainner plate down;
Be arranged on the said product releasing mechanism of going up between ejector retainner plate and said ejector retainner plate down and the said jacking block.
Preferably, said secondary ejecting mechanism comprises:
Be fixed on the wedge on the said core fixing plate;
Be fixed on the secondary jacking block on the said auxiliary top needle plate;
Be fixed on said down ejector retainner plate edge through elastomeric element, and with the contacted sliding shoe in the upper end of said secondary jacking block.
Preferably, said product releasing mechanism comprises:
Be fixed on down ejector retainner plate and the said firm banking of going up on the ejector retainner plate;
One end is fixed on the said firm banking, the other end is movably arranged on the said jacking block, and all has first angle ejector rod and second angle ejector rod of preset angle with vertical direction;
One end is fixed on the said auxiliary top needle plate, the contacted thimble of upper surface of the other end and said jacking block.
Preferably, said elastomeric element is a spring.
Preferably, said thimble is fixed on the said auxiliary top needle plate through briquetting.
Preferably, also comprise: be arranged on said auxiliary top needle plate and said ejector retainner plate and the said limit pull rod between the ejector retainner plate down gone up.
Preferably, said support column comprises first support column and second support column, and the diameter of first support column is greater than the diameter of second support column.
Technical scheme by above the application embodiment provides is visible, and said interior back-off mould emptier has all around been set up auxiliary top needle plate, secondary ejecting mechanism, product releasing mechanism.The injection machine push rod moves upward and drives the auxiliary top needle plate and move upward; Simultaneously, last ejector retainner plate moves upward under the effect of secondary ejecting mechanism with following ejector retainner plate synchronously, simultaneously; The product releasing mechanism moves upward synchronously, forces the product distortion that is coated on the jacking block to break away from jacking block.After last ejector retainner plate and following ejector retainner plate are run into core fixing plate, stop to move upward, simultaneously, the secondary ejecting mechanism is thrown off.After this, the injection machine push rod continues to move upward, and promotes the auxiliary top needle plate and moves upward, and the thimble that is fixed on the auxiliary top needle plate moves upward synchronously, and then drives product and move upward and leave jacking block fully.With existing around in the back-off mould emptier compare, should around in the back-off mould emptier can make product break away from jacking block automatically, realized the automated production of mould, saved cost of labor, improved the qualification rate of production efficiency and product.
Description of drawings
Fig. 1 is a kind of structural representation of interior back-off mould emptier all around in the prior art;
Fig. 2 be in the prior art around in view during the demoulding of back-off mould emptier;
Fig. 3 is a kind of structural representation of interior back-off mould emptier all around of the application embodiment;
Fig. 4 is the structural representation of interior back-off mould emptier around the application embodiment another kind;
Fig. 5 is the structural representation of interior back-off mould emptier around the application embodiment another kind;
View when Fig. 6 is the disengagement of the application embodiment secondary ejecting mechanism;
View when Fig. 7 is the application embodiment interior back-off mould emptier demoulding all around;
Fig. 8 be around the application embodiment product breaks away from view during the back-off mould emptier.
The specific embodiment
The interior back-off mould emptier all around that the utility model embodiment provides comprises: upper mounted plate, impression bolster, die cavity, core, core fixing plate, last ejector retainner plate, following ejector retainner plate, bottom plate, jacking block, jacking block connecting rod and injection machine push rod also comprise: auxiliary top needle plate, secondary ejecting mechanism, product releasing mechanism.The back-off mould emptier is when carrying out the demoulding in around said; The injection machine push rod moves upward and drives the auxiliary top needle plate and move upward; Simultaneously, last ejector retainner plate moves upward under the effect of secondary ejecting mechanism with following ejector retainner plate synchronously, simultaneously; The product releasing mechanism moves upward synchronously, forces the product distortion that is coated on the jacking block to break away from jacking block.After last ejector retainner plate and following ejector retainner plate are run into core fixing plate, stop to move upward, simultaneously, the secondary ejecting mechanism is thrown off.After this, the injection machine push rod continues to move upward, and promotes the auxiliary top needle plate and moves upward, and the thimble that is fixed on the auxiliary top needle plate moves upward synchronously, and then drives product and move upward and leave jacking block fully.
In order to make those skilled in the art person understand the technical scheme among the application better; To combine the accompanying drawing among the application embodiment below; Technical scheme among the application embodiment is carried out clear, intactly description; Obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
Referring to Fig. 3; Fig. 3 is a kind of structural representation of interior back-off mould emptier all around of the application embodiment; This mould emptier comprises: upper mounted plate 101, impression bolster 102, die cavity 103, core 104, core fixing plate 105, last ejector retainner plate 106, following ejector retainner plate 107, bottom plate 108, jacking block 109, jacking block connecting rod 110, injection machine push rod 111, the auxiliary top needle plate 112, secondary ejecting mechanism, the product releasing mechanism that are connected with said injection machine push rod 111.
Referring to Fig. 4; Fig. 4 is the structural representation of interior back-off mould emptier around the application embodiment another kind, and as shown in the figure, the secondary ejecting mechanism comprises: wedge 113, secondary jacking block 114, sliding shoe 115, elastomeric element 116; Said elastomeric element can adopt spring to realize, wherein:
Wedge 113 is fixed on the core fixing plate 105; Secondary jacking block 114 is fixed on the auxiliary top needle plate 112; Sliding shoe 115 is fixed on down on the ejector retainner plate 107 through elastomeric element 116, and an end that is not connected with following ejector retainner plate 107 of this sliding shoe 115 contacts with secondary jacking block 114.When the injection machine push rod moved upward, this secondary ejecting mechanism can make ejector retainner plate 106 and following ejector retainner plate 107 move upward synchronously.
In conjunction with Fig. 3 and Fig. 5, Fig. 5 is the structural representation of interior back-off mould emptier around the application embodiment another kind.
As shown in the figure, the product releasing mechanism comprises: be fixed on down the firm banking 117 on ejector retainner plate 107 and the last ejector retainner plate 106; One end is fixed on the said firm banking 117, the other end is movably arranged on first angle ejector rod 118 and second angle ejector rod 119 on the jacking block 109; And first angle ejector rod 118 and second angle ejector rod 119 have preset angle with vertical direction, this preset angle can be acute angle.One end is fixed on the contacted thimble 120 of upper surface of auxiliary top needle plate 112, the other end and jacking block 109, and this thimble can be fixed on the auxiliary top needle plate 112 through briquetting 121, and this product releasing mechanism is used to make product to break away from jacking block 109.
Specify the said course of work of interior back-off mould emptier all around below:
During the demoulding; Moulds open, injection machine push rod 111 moves upward, and drives auxiliary top needle plate 112 and moves upward synchronously; At this moment; Because secondary jacking block 114 withstands sliding shoe 115, when auxiliary top needle plate 112 moves upward, drive ejector retainner plate 106 and move upward synchronously with following ejector retainner plate 107,, last ejector retainner plate 106 stops to move upward when running into core fixing plate 105.
Meanwhile; The wedge 113 that is fixed on the core fixing plate 105 contacts with sliding shoe 115; And make the direction motion compresses elastomeric element 116 of sliding shoe 115 to elastomeric element; The side of wedge 113 is contacted with the end face of sliding shoe 115, and promptly wedge 113 separates with sliding shoe 115, and the secondary ejecting mechanism is accomplished the process that ejects.State when at this moment, said secondary ejecting mechanism is thrown off is as shown in Figure 6.
When last ejector retainner plate 106 and following ejector retainner plate 107 move upward, drive first angle ejector rod 118, second angle ejector rod 119 moves upward, and then promote jacking block 109 and move upward and break away from core 104, stop to move upward up to last ejector retainner plate 106 and following ejector retainner plate 107.And; When first angle ejector rod 118 and second angle ejector rod 119 moved upward, the product 200 on both sides are done lateral movement and are coated on jacking block 109 contacted respectively, and forced product 200 distortion to throw off jacking block 109; At this moment, the state of said mould emptier is as shown in Figure 7.
After this, injection machine push rod 111 continues to move upward, and promotes auxiliary top needle plate 112 and continues to move upward; Run into ejector retainner plate 107 stop motions down up to auxiliary top needle plate 112, when auxiliary top needle plate 112 moved upward, the thimble 120 that is fixed on the auxiliary top needle plate 112 moved upward; And then eject product 200 and finally make product 200 break away from jacking block 109 fully; At last, product falls automatically or takes off with manipulator, and mould closes continues the production of next product.
Because; Said secondary jacking block 114 and wedge 113 not on a plumb line, therefore, at the supporting role downslide motion block 115 of wedge 113 elasticity of compression parts 116 all the time; And then making that secondary jacking block 114 can continue to move upward, the state of said mould emptier is as shown in Figure 8.
In sum, present embodiment provide around in the back-off mould emptier realized automated production, saved cost of labor, improved the qualification rate of production efficiency and product, simultaneously, help safety in production.
Preferably; Structural representation referring to interior back-off mould emptier around shown in Figure 4; Said auxiliary top needle plate 112, on be provided with limit pull rod 122 between ejector retainner plate 106 and the following ejector retainner plate 107, these limit pull rod 122 1 ends are fixed on the ejector retainner plate 106, the other end is made step-like; And utilize this step to hang on the auxiliary top needle plate 112; When injection machine push rod 111 drove auxiliary top needle plate 112 returns, this limit pull rod can drive ejector retainner plate 106 and following ejector retainner plate 107 synchronous returns, and then realized the production of next product.
Preferably; Should around in the back-off mould emptier support column that is used to locate ejector retainner plate, time ejector retainner plate and auxiliary top needle plate can be divided into two sections, i.e. first support column 123 and second support column 124, and the diameter of first support column 123 is greater than the diameter of second support column 124; Like this; Ejector retainner plate can only move on second support column 124 up and down, and keeps predeterminable range with the auxiliary top needle plate that is set on first support column 123, and this predeterminable range is preferably the height of jacking block.
The above only is the application's the specific embodiment; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the application's principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the application's protection domain.

Claims (7)

1. back-off mould emptier in around a kind; Comprise: upper mounted plate, impression bolster, die cavity, core, core fixing plate, last ejector retainner plate, following ejector retainner plate, support column, bottom plate, jacking block, jacking block connecting rod and injection machine push rod; It is characterized in that, also comprise:
The auxiliary top needle plate that is connected with said injection machine push rod;
Mainly be arranged on said auxiliary top needle plate and said secondary ejecting mechanism between the ejector retainner plate down;
Be arranged on the said product releasing mechanism of going up between ejector retainner plate and said ejector retainner plate down and the said jacking block.
2. back-off mould emptier in around according to claim 1 is characterized in that said secondary ejecting mechanism comprises:
Be fixed on the wedge on the said core fixing plate;
Be fixed on the secondary jacking block on the said auxiliary top needle plate;
Be fixed on said down ejector retainner plate edge through elastomeric element, and with the contacted sliding shoe in the upper end of said secondary jacking block.
3. back-off mould emptier in around according to claim 1 and 2 is characterized in that said product releasing mechanism comprises:
Be fixed on down ejector retainner plate and the said firm banking of going up on the ejector retainner plate;
One end is fixed on the said firm banking, the other end is movably arranged on the said jacking block, and all has first angle ejector rod and second angle ejector rod of preset angle with vertical direction;
One end is fixed on the said auxiliary top needle plate, the contacted thimble of upper surface of the other end and said jacking block.
4. back-off mould emptier in around according to claim 2 is characterized in that said elastomeric element is a spring.
5. back-off mould emptier in around according to claim 3 is characterized in that said thimble is fixed on the said auxiliary top needle plate through briquetting.
6. according to claim 4 or 5 described interior back-off mould emptiers all around, it is characterized in that, also comprise: be arranged on said auxiliary top needle plate and said ejector retainner plate and the said limit pull rod between the ejector retainner plate down gone up.
7. back-off mould emptier in around according to claim 6 is characterized in that said support column comprises first support column and second support column, and the diameter of first support column is greater than the diameter of second support column.
CN2011200430660U 2011-02-21 2011-02-21 Demoulding mechanism of periphery inward back-off type Expired - Lifetime CN202123627U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200430660U CN202123627U (en) 2011-02-21 2011-02-21 Demoulding mechanism of periphery inward back-off type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200430660U CN202123627U (en) 2011-02-21 2011-02-21 Demoulding mechanism of periphery inward back-off type

Publications (1)

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CN202123627U true CN202123627U (en) 2012-01-25

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102133782A (en) * 2011-02-21 2011-07-27 深圳市银宝山新科技股份有限公司 All-round internal back-off demoulding mechanism
CN103009581A (en) * 2012-12-21 2013-04-03 台州市凯华塑业有限公司 Ejection mechanism for internal inverted buckle in injection mould
CN104227976A (en) * 2014-08-29 2014-12-24 宁波南方塑料模具有限公司 Injection mold for processing product with reversing button
CN105014891A (en) * 2014-04-21 2015-11-04 群达模具(深圳)有限公司 Pentroof assembly and die comprising pentroof assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102133782A (en) * 2011-02-21 2011-07-27 深圳市银宝山新科技股份有限公司 All-round internal back-off demoulding mechanism
CN103009581A (en) * 2012-12-21 2013-04-03 台州市凯华塑业有限公司 Ejection mechanism for internal inverted buckle in injection mould
CN103009581B (en) * 2012-12-21 2015-01-14 台州市凯华塑业有限公司 Ejection mechanism for internal inverted buckle in injection mould
CN105014891A (en) * 2014-04-21 2015-11-04 群达模具(深圳)有限公司 Pentroof assembly and die comprising pentroof assembly
CN104227976A (en) * 2014-08-29 2014-12-24 宁波南方塑料模具有限公司 Injection mold for processing product with reversing button

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20120125

Effective date of abandoning: 20130821

RGAV Abandon patent right to avoid regrant