CN103722698A - Automatic knockout device for sprue and runner in die - Google Patents
Automatic knockout device for sprue and runner in die Download PDFInfo
- Publication number
- CN103722698A CN103722698A CN201310705516.1A CN201310705516A CN103722698A CN 103722698 A CN103722698 A CN 103722698A CN 201310705516 A CN201310705516 A CN 201310705516A CN 103722698 A CN103722698 A CN 103722698A
- Authority
- CN
- China
- Prior art keywords
- mold core
- runner
- chute
- lower mold
- pickoff
- 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.)
- Granted
Links
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 239000000084 colloidal system Substances 0.000 description 16
- 239000000047 product Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides an automatic knockout device for a sprue and a runner in a die, belongs to the technical field of machinery, and solves the problem that plastics in the sprue and the runner are inconvenient to remove at present. The automatic knockout device comprises a die frame, a die core, an oblique ejector pin and an ejector pin fixing plate, wherein a plastics-in runner is formed in the side wall of the die core, a vertical guide rail is arranged on the die frame, the die core comprises an upper die core and a lower die core which are abutted with each other up and down, the side wall of the upper die core is arranged in the vertical guide rail, and the upper die core can move up and down along the vertical guide rail; one end of the oblique ejector pin is obliquely connected with the lower die core, and the other end of the oblique ejector pin penetrates through the ejector pin fixing plate and can slide in the ejector pin fixing plate in the radial direction; a straight ejector pin is fixedly connected to the ejector pin fixing plate, and one end of the straight ejector pin is fixedly connected with a first slider; a first chute is formed in the lower end surface of the lower die core, the first slider is arranged in the first chute, and the plastics-in runner penetrates through the side wall of the first slider. The automatic knockout device has the advantages of simple structure and high knockout efficiency.
Description
Technical field
The invention belongs to field of mechanical technique, be specifically related to a kind of mould ingate and runner pickoff.
Background technology
Mould is for making under external force blank become, to have the instrument of the product of given shape and size, at present, for the production of the plastic structure that enters that uses of product mold normally on core rod sidewall, offer into solation road, after product approval, the colloid entering in solation road is called as cast gate, when needing to move horizontally core rod later, formed product removes the colloid connecting together with shaped article on core rod sidewall, existing most product can adopt the method for colloid in this simple removal cast gate and runner, but such method has the restriction of two places: 1, thereby cannot being made in cast gate and runner colloid remove by product back-off during core slide, the glue position that has muscle position or an other influences core slide when product head or rear portion cannot use such plastic structure that enters, 2, colloid cannot automatic demoulding in the cast gate on core rod and runner, needs the manual step of getting colloid in cast gate and runner that complete.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed a kind of simple in structure, mould ingate and runner pickoff that demoulding efficiency is high.
Object of the present invention can realize by following technical proposal: a kind of mould ingate and runner pickoff, comprise framed, core rod, angle ejector rod, with push rod fixed head, on core rod sidewall, offer into solation road, it is characterized in that, upright guide rail is installed on framed, described core rod comprise up and down against upper mold core and lower mold core, upper mold core sidewall is positioned at upright guide rail and upper mold core only can move up and down along upright guide rail, angle ejector rod one end tilts to be connected with lower mold core, the other end passes push rod fixed head and can in push rod fixed head, radially slide, on push rod fixed head, be fixed with push rod always, straight push rod one end is fixed with the first slide block, lower mold core lower surface has the first chute, the first above-mentioned slide block is positioned at the first chute and enters solation road through the first slider side wall.
In above-mentioned a kind of mould ingate and runner pickoff, the first slide block lower end horizontal direction has protrusion, and the first chute madial wall offers groove, on protrusion be positioned at groove.
In above-mentioned a kind of mould ingate and runner pickoff, upper mold core lower surface is inclined-plane, and lower mold core upper surface is inclined-plane, and two inclined-planes cooperation complementations and incline direction are identical with angle ejector rod incline direction.
In above-mentioned a kind of mould ingate and runner pickoff, upper mold core lower surface has two second chutes, is provided with the second slide block in chute, and lower mold core and the second slide block are connected.
In above-mentioned a kind of mould ingate and runner pickoff, two ends, lower mold core upper surface offer two recesses, and the upper mold core end corresponding with recess is provided with block.
In above-mentioned a kind of mould ingate and runner pickoff, on push rod fixed head, offer rectangle chute and angle ejector rod and be projected on chute axial line, angle ejector rod is through rectangle chute.
In above-mentioned a kind of mould ingate and runner pickoff, angle ejector rod has two and be arranged in parallel.
Compared with prior art, the present invention has following advantage:
1, when upwards promoting upper and lower core rod, angle ejector rod moves upward together, the first slide block of straight push rod end moves down relatively, be positioned at entering solation road and can relatively move down on slide block, thereby the colloid entering on solation road just can be pulled down the loosening convenient colloid in cast gate and runner of further removing after a while;
2, the first slide block lower end horizontal direction has protrusion, the first chute madial wall offers groove, above-mentioned protrusion is positioned at groove, during original state, lower mold core is stopped by the protrusion on the first slide block, cannot horizontal slip, when lower mold core is upwards ejected after a segment distance by angle ejector rod, lower mold core just can move horizontally;
3, upper mold core lower surface is inclined-plane, lower mold core upper surface is inclined-plane, two inclined-planes cooperation complementations and incline direction are identical with angle ejector rod incline direction, when upper mold core and lower mold core move up simultaneously, upper mold core can only be moved up by upright slide rail constraint, thereby lower mold core is taken advantage of a situation, adipping moves and reaches the object that disconnects the colloid in cast gate and runner;
4, upper mold core lower surface has two second chutes, is provided with the second slide block in chute, and lower mold core and the second slide block are connected, and the second slide block engages tighter with the second chute, guarantees that upper mold core and lower mold core can relative slidings when formed product or under inactive state.
Accompanying drawing explanation
Fig. 1 is the structural representation of carries product of the present invention.
Fig. 2 is explosive view of the present invention.
Fig. 3 is the structural representation of lower mold core of the present invention.
Fig. 4 is the structural representation of push rod fixed head of the present invention.
In figure, 10, upper mold core; 11, the second slide block; 12, the second chute; 13, block; 20, lower mold core; 21, recess; 22, enter solation road; 30, upright guide rail; 40, angle ejector rod; 50, push rod fixed head; 51, rectangle chute; 60, straight push rod; 61, the first slide block; 62, the first chute; 63, protrude; 64, groove.
The specific embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1, this mould ingate and runner pickoff, comprise framed (in figure, not marking), core rod, angle ejector rod 40, with push rod fixed head 50, on core rod sidewall, offer into solation road 22, it is characterized in that, upright guide rail 30 is installed on framed, described core rod comprise up and down against upper mold core 10 and lower mold core 20, upper mold core 10 sidewalls are positioned at upright guide rail 30 and upper mold core 10 only can move up and down along upright guide rail 30, angle ejector rod 40 one end tilt to be connected with lower mold core 20, the other end passes push rod fixed head 50 and can in push rod fixed head 50, radially slide, on push rod fixed head 50, be fixed with push rod 60 always, straight push rod 60 one end are fixed with the first slide block 61, lower mold core 20 lower surfaces have the first chute 62, the first above-mentioned slide block 61 is positioned at the first chute 62 and enters solation road 22 through the first slide block 61 sidewalls.
Upwards promote angle ejector rod 40, because angle ejector rod 40 is obliquely installed, so being subject to power that angle ejector rod 40 applies, lower mold core 20 is divided into power straight up and the power in horizontal direction, because upper mold core 10 is positioned at upright guide rail 30, upper mold core 10 can only move upward along upright guide rail 30, so lower mold core 20 is subject to power and the power in horizontal direction that power that angle ejector rod 40 applies is divided into straight up, can move in the horizontal direction on vertical direction.Starting stage, owing to entering solation road 22 parts, be positioned at the first slide block 61, the first slide block 61 of straight push rod 60 ends moves down relatively, be positioned at entering solation road 22 and can relatively move down on slide block, thereby the residue colloid entering in solation road 22 just can be pulled down the loosening convenient cast gate of further removing after a while.Lower mold core 20 moves horizontally, in movement, the colloid and the shaped article that are positioned at cast gate on core rod and runner are disconnected, thereby play the effect of removing colloid in cast gate and runner, now angle ejector rod 40 also moves radially when rising in push rod fixed head 50, thereby the stable firmly direction of motion of angle ejector rod 40, assurance angle ejector rod 40 can not vacillated now to the left, now to the right.
As shown in Figure 2, upper mold core 10 lower surfaces are inclined-plane, lower mold core 20 upper surfaces are inclined-plane, two inclined-planes cooperation complementations and incline direction are identical with angle ejector rod 40 incline directions, upper mold core 10 lower surfaces have two second chutes 12, in chute, be provided with the second slide block 11, lower mold core 20 and the second slide block 11 are connected, the second slide block 11 engages tighter with the second chute 12, guarantee that when formed product or under inactive state upper mold core 10 and lower mold core 20 can relative slidings, when when upper mold core 10 and lower mold core 20 move up simultaneously, upper mold core 10 can only be moved up by upright slide rail constraint, even and if thereby the smaller lower mold core 20 of component in the horizontal direction adipping of taking advantage of a situation moves and reaches the object that disconnects colloid in cast gate and runner.
Preferably, the number of angle ejector rod 40 is two and be arranged in parallel, two angle ejector rods 40 act in lower mold core 20 simultaneously and can make lower mold core 20 stressed evenly, lower mold core 20 is milder in the process of rising or translation, angle ejector rod 40 is 75 ° with the acute angle angle of lower mold core 20, guaranteed that lower mold core 20 is subject to thrust upwards and is greater than the thrust being subject in horizontal direction, thereby it is slower that lower mold core 20 is moved horizontally, can guarantee that colloid in cast gate and runner reasonably removes and there will not be the very lofty phenomenons such as fracture.
As shown in Figure 3, the first slide block 61 lower end horizontal directions have protrudes 63, preferably, the direction of protrusion 63 is vertical with the direction of the first chute 62, the first chute 62 madial walls offer groove 64, the direction of groove 64 is in like manner also vertical with the direction of the second chute 12, above-mentioned protrusion 63 is positioned at groove 64, during original state, lower mold core 20 is stopped by the protrusion 63 on the first slide block 61, cannot horizontal slip, when lower mold core 20 is upwards ejected after a segment distance by angle ejector rod 40, groove 64 is positioned at while protruding 63 upper end, lower mold core 20 just can move horizontally, such structure guarantees that lower mold core 20 does not have any movement when we cast product.
As shown in Figure 4, on push rod fixed head 50, offering rectangle chute 51 and angle ejector rod 40 is projected on chute axial line, angle ejector rod 40 is through rectangle chute 51, angle ejector rod 40 upwards promotes lower mold core 20, thereby lower mold core 20 horizontal directions move the colloid of removing in cast gate and runner, when recovering the position of lower mold core 20 and angle ejector rod 40, angle ejector rod 40 can be more convenient in the interior movement of rectangle chute 51.
The invention discloses a kind of mould ingate and runner pickoff, by core rod, be divided into upper mold core 10 and lower mold core 20, then the method for mobile lower mold core 20 is removed the colloid in cast gate and runner, and simple and practical, efficiency is high.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (7)
1. a mould ingate and runner pickoff, comprise framed, core rod, angle ejector rod, with push rod fixed head, on core rod sidewall, offer into solation road, it is characterized in that, upright guide rail is installed on framed, described core rod comprise up and down against upper mold core and lower mold core, upper mold core sidewall is positioned at upright guide rail and upper mold core only can move up and down along upright guide rail, angle ejector rod one end tilts to be connected with lower mold core, the other end passes push rod fixed head and can in push rod fixed head, radially slide, on push rod fixed head, be fixed with push rod always, straight push rod one end is fixed with the first slide block, lower mold core lower surface has the first chute, the first above-mentioned slide block is positioned at the first chute and enters solation road through the first slider side wall.
2. a kind of mould ingate according to claim 1 and runner pickoff, is characterized in that, the first described slide block lower end horizontal direction has protrusion, and the first chute madial wall offers groove, on protrusion be positioned at groove.
3. a kind of mould ingate according to claim 1 and 2 and runner pickoff, is characterized in that, described upper mold core lower surface is inclined-plane, and lower mold core upper surface is inclined-plane, and two inclined-planes cooperation complementations and incline direction are identical with angle ejector rod incline direction.
4. a kind of mould ingate according to claim 3 and runner pickoff, is characterized in that, described upper mold core lower surface has two second chutes, is provided with the second slide block in chute, and lower mold core and the second slide block are connected.
5. a kind of mould ingate according to claim 4 and runner pickoff, is characterized in that, described two ends, lower mold core upper surface offer two recesses, and the upper mold core end corresponding with recess is provided with block.
6. a kind of mould ingate and runner pickoff according to claim 1 or 5, is characterized in that, offers rectangle chute and angle ejector rod and be projected on chute axial line on described push rod fixed head, and angle ejector rod is through rectangle chute.
7. a kind of mould ingate according to claim 6 and runner pickoff, is characterized in that, described angle ejector rod has two and be arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705516.1A CN103722698B (en) | 2013-12-19 | 2013-12-19 | A kind of mould ingate and runner pickoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705516.1A CN103722698B (en) | 2013-12-19 | 2013-12-19 | A kind of mould ingate and runner pickoff |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103722698A true CN103722698A (en) | 2014-04-16 |
| CN103722698B CN103722698B (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310705516.1A Active CN103722698B (en) | 2013-12-19 | 2013-12-19 | A kind of mould ingate and runner pickoff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103722698B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0407797A1 (en) * | 1989-07-08 | 1991-01-16 | Bayer Ag | Method and apparatus for the automatic removal of sprues from cold runner moulds |
| JP3713452B2 (en) * | 2001-09-14 | 2005-11-09 | 高雄機械株式会社 | Injection mold |
| CN101462346A (en) * | 2009-01-13 | 2009-06-24 | 浙江工商职业技术学院 | Thin entry nozzle injection mold safety scrapped part removing mechanism |
| CN201325155Y (en) * | 2008-12-26 | 2009-10-14 | 深圳创维－Rgb电子有限公司 | An intramode automatic hot-cutting side watering mouth structure and injection mold |
| CN201371558Y (en) * | 2009-02-23 | 2009-12-30 | 福星塑胶模具(深圳)有限公司 | In-mold structure for automatically degating side gates and injection mold |
| CN201728804U (en) * | 2010-07-29 | 2011-02-02 | 宁波跃飞模具有限公司 | Automatic material pulling and breaking push rod device of injection mold |
| CN202129936U (en) * | 2011-06-08 | 2012-02-01 | 缪巍 | Needle valve type gating and oblique jacking demold mechanism for auto front grill mold |
| CN203665870U (en) * | 2013-12-19 | 2014-06-25 | 宁波南方塑料模具有限公司 | Automatic demoulding device for mould flow gate and runners |
-
2013
- 2013-12-19 CN CN201310705516.1A patent/CN103722698B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0407797A1 (en) * | 1989-07-08 | 1991-01-16 | Bayer Ag | Method and apparatus for the automatic removal of sprues from cold runner moulds |
| JP3713452B2 (en) * | 2001-09-14 | 2005-11-09 | 高雄機械株式会社 | Injection mold |
| CN201325155Y (en) * | 2008-12-26 | 2009-10-14 | 深圳创维－Rgb电子有限公司 | An intramode automatic hot-cutting side watering mouth structure and injection mold |
| CN101462346A (en) * | 2009-01-13 | 2009-06-24 | 浙江工商职业技术学院 | Thin entry nozzle injection mold safety scrapped part removing mechanism |
| CN201371558Y (en) * | 2009-02-23 | 2009-12-30 | 福星塑胶模具(深圳)有限公司 | In-mold structure for automatically degating side gates and injection mold |
| CN201728804U (en) * | 2010-07-29 | 2011-02-02 | 宁波跃飞模具有限公司 | Automatic material pulling and breaking push rod device of injection mold |
| CN202129936U (en) * | 2011-06-08 | 2012-02-01 | 缪巍 | Needle valve type gating and oblique jacking demold mechanism for auto front grill mold |
| CN203665870U (en) * | 2013-12-19 | 2014-06-25 | 宁波南方塑料模具有限公司 | Automatic demoulding device for mould flow gate and runners |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103722698B (en) | 2016-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Automatic knockout device for sprue and runner in die Effective date of registration: 20200720 Granted publication date: 20160210 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SOUTH MOLD & PLASTIC Co.,Ltd. Registration number: Y2020330000515 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210729 Granted publication date: 20160210 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SOUTH MOLD & PLASTIC Co.,Ltd. Registration number: Y2020330000515 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An automatic demoulding device for inner gate and runner of mold Effective date of registration: 20210729 Granted publication date: 20160210 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SOUTH MOLD & PLASTIC Co.,Ltd. Registration number: Y2021330001038 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220728 Granted publication date: 20160210 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SOUTH MOLD & PLASTIC Co.,Ltd. Registration number: Y2021330001038 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An automatic demolding device for gates and runners in a mold Effective date of registration: 20220729 Granted publication date: 20160210 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SOUTH MOLD & PLASTIC Co.,Ltd. Registration number: Y2022330001315 |