CN109676871A - The Rotary core puller of injection mold - Google Patents
The Rotary core puller of injection mold Download PDFInfo
- Publication number
- CN109676871A CN109676871A CN201910016777.XA CN201910016777A CN109676871A CN 109676871 A CN109676871 A CN 109676871A CN 201910016777 A CN201910016777 A CN 201910016777A CN 109676871 A CN109676871 A CN 109676871A
- Authority
- CN
- China
- Prior art keywords
- hole
- rotary core
- dynamic model
- clamp plate
- spring
- 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.)
- Pending
Links
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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of Rotary core pullers of injection mold, including dynamic model, cover half, the dynamic model includes moving template, Bottom clamp plate, rotating core-pulling mechanism is installed on the dynamic model, the rotating core-pulling mechanism includes sliding axle, slider guide, rotary core pulling block, fixing axle, the slider guide is fixed on Bottom clamp plate, strip-shaped hole is formed in the slider guide, one end of the rotary core pulling block, which is formed with, can make concave arc in product be buckled to molding rotary hook, the other end is installed in strip-shaped hole by the sliding axle, the rotary core pulling block is mounted on the moving template by fixing axle, spring cavity is also formed in the dynamic model, spring is provided in spring cavity, the both ends of the spring are connected with moving template and Bottom clamp plate respectively.Compared with prior art, the present invention is directed to the product with the back-off of interior concave arc, makes its stable core pulling using rotating core-pulling mechanism, structure is simple, and at low cost, registration is reliable, not easy to wear.
Description
Technical field
The present invention relates to the Rotary core pullers of injection mold, belong to injection mold technology.
Background technique
Section is the concave handle (handle) of circular shape since its is handsome in appearance, practical, meets ergonomic
The advantages that require is widely used in every field.But its special structure also has one to the demoulding core pulling technology after injection molding
Fixed requirement.The handle concave arc core pulling structure as shown in patent CN108115901A, it drives pull rod by oil cylinder,
Since the rack gear on pull rod is meshed with the arc-shaped gear on arc-shaped core pulling block, so that arc-shaped core pulling block is also driven rotation, directly
Arc shaped hook on to arc-shaped core pulling block is detached from the female parts of handle, completes core pulling.The technical method that the patent provides has several points
Disadvantage: 1, the cooperation of rack gear and arc-shaped gear is easy to cause component wear, and service life is short, needs to be replaced frequently；2, rack gear and arc
Shape tooth is high to the required precision of component, at high cost, is easy to appear unsuccessfully product；3, mechanism is complicated, assembling trouble.
Summary of the invention
The purpose of the invention is to overcome prior art, provide a kind of for interior concave arc torque product
Injection mold Rotary core puller.
For realize purpose the technical solution adopted by the present invention is that:
The Rotary core puller of injection mold, including dynamic model, cover half, the dynamic model include moving template, Bottom clamp plate, described
Rotating core-pulling mechanism is installed on dynamic model, the rotating core-pulling mechanism includes sliding axle, slider guide, rotary core pulling block, fixing axle,
The slider guide is fixed on the Bottom clamp plate, and strip-shaped hole, one end system of the rotary core pulling block are formed in the slider guide
Having can make concave arc in product be buckled to molding rotary hook, and the other end is installed in the strip-shaped hole by the sliding axle, institute
It states rotary core pulling block to be mounted on the moving template by the fixing axle, the rotary core pulling block can be done around the fixing axle to be revolved
Transhipment is dynamic, and spring cavity is also formed in the dynamic model, is provided with spring in spring cavity, the both ends of the spring respectively with the dynamic model
Plate is connected with the Bottom clamp plate, and when mold clamping, the spring was in compressive state.
It is advanced optimized as to above-mentioned technical proposal: being provided with moving die insert, dynamic model height pad on the moving template
Block and controlled interval pull rod are formed with limiting slot in the dynamic model height cushion block, and the limiting slot is made of large through-hole and small through hole, described
Small through hole is located at the top of the large through-hole, and one end of the controlled interval pull rod is fixed on the Bottom clamp plate, and the other end passes through
It is located in the large through-hole after the small through hole, the end that the controlled interval pull rod is located in the large through-hole is formed with limited block, institute
The step formed when limited block moves to the top with large and small through-hole is stated to touch.
Advanced optimize as to above-mentioned technical proposal: the cover half includes top clamping plate and fixed die insert, described dynamic
Mould insert, fixed die insert and rotary core pulling block form die cavity in mold clamping.
Compared with prior art, the present invention is directed to the product with the back-off of interior concave arc, makes it using rotating core-pulling mechanism
Stablize core pulling, structure is simple, and at low cost, registration is reliable, and it is not easy to wear, it effectively prevent product the appearances such as burr occur
Defect.
Detailed description of the invention
Structural schematic diagram when Fig. 1 is present invention molding.
Fig. 2 is the structural schematic diagram in knockout course of the present invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments.As shown in Figs. 1-2, injection mold
Rotary core puller, including dynamic model, cover half, the dynamic model include moving template 3, Bottom clamp plate 5, are equipped with rotation on the dynamic model
Core-pulling mechanism, the rotating core-pulling mechanism include sliding axle 6, slider guide 7, rotary core pulling block 8, fixing axle 9, the slider guide 7
It is fixed on the Bottom clamp plate 5, strip-shaped hole 71 is formed in the slider guide 7, one end of the rotary core pulling block 8 is formed with and can make
Concave arc is buckled to molding rotary hook 81 in product, and the other end is installed in the strip-shaped hole 71 by the sliding axle 6, described
Sliding axle 6 can horizontally slip in the strip-shaped hole 71, and the rotary core pulling block 8 is mounted on described dynamic by the fixing axle 9
In template 3, the rotary core pulling block 8 can make rotating motion around the fixing axle 9, and spring cavity 13, bullet are also formed in the dynamic model
Spring 4 is provided in spring chamber 13, the both ends of the spring 4 are connected with the moving template 3 and the Bottom clamp plate 5 respectively, mould
The spring 4 is in compressive state when tool molding.
In above-mentioned technical proposal: being provided with moving die insert 2, dynamic model height cushion block 10 and controlled interval pull rod on the moving template 3
11, limiting slot is formed in the dynamic model height cushion block 10, and the limiting slot is made of large through-hole 101 and small through hole 102, described small
Through-hole 102 is located at the top of the large through-hole 101, and one end of the controlled interval pull rod 11 is fixed on the Bottom clamp plate 5, another
End is located in the large through-hole 101 after the small through hole 102, and the controlled interval pull rod 11 is located in the large through-hole 101
End is formed with limited block 111, and the step formed when the limited block 111 moves to the top with large and small through-hole 101,102 touches
Touching plays position-limiting action with this.
In above-mentioned technical proposal: the cover half includes top clamping plate 1 and fixed die insert 12, the moving die insert 2, cover half edge
Block 12 and rotary core pulling block 8 form die cavity in mold clamping, that is, rotary core pulling block 8 is closely locked in injection molding machine when molding
It is interior, so that rotary core pulling block 8 has obtained very reliable positioning.This clamp force by injection molding machine itself is come position rotating core pulling
Block 8, simple and accurate reliable, the rotary core pulling for efficiently avoiding generating by injection pressure retreats phenomenon, can protect for a long time
Demonstrate,prove the open defects such as rotary core pulling position non-trimming burr.
In above-mentioned technical proposal: the position that the fixing axle 9 is installed is the rotation center of the rotary core pulling block 8, described
There are eccentricity, the experiences of the eccentricity in the center of circle of concave arc back-off in the rotation center of rotary core pulling block 8 and the product
Data are that the direction x is equal to 4mm, and the direction y is equal to 2~4mm, which can not only guarantee concave arc in rotary hook 81 and product
It can smoothly be demoulded between back-off, moreover it is possible to make product that there is preferable rigidity.
The course of work of the invention is as follows, and after injection mold die sinking, injection molding machine driving Bottom clamp plate 5 is moved up, Bottom clamp plate 5
It drives slider guide 7 to synchronize to move up, since spring 4 is compressed in clamping process, the elastic force release of spring 4, the elastic force pair after die sinking
Moving template 3 generates active force down, prevent moving template 3 is as Bottom clamp plate 5 synchronizes from moving up, i.e. Bottom clamp plate 5 and dynamic
Template 3 separates.Since rotary core pulling block 8 is installed on moving template 3, moved up so can not synchronize.Slider guide 7 gradually moves up
During, sliding axle 6 makees relative motion from left to right in strip-shaped hole 71, while rotary core pulling block 8 is driven around solid
Dead axle 9 rotates clockwise, and rotary hook 81 slowly produces the interior concave arc back-off of product.When moving clamping plate 5 has moved up certain distance
Afterwards, the step that the limited block 111 of controlled interval pull rod 11 is formed by large and small through-hole 101,102 limits, and the elastic force of spring 4 has been released at this time
Discharge it is complete, and rotary hook 81 also completely disengaged product interior concave arc back-off, moving template 3 start by 11 band of controlled interval pull rod
It moves and moves up, moving die insert 2 is initially separated with fixed die insert 12.When dynamic, cover half separation distance allows manipulator from mold enough
In take out product when, injection molding machine stop driving Bottom clamp plate 5 move up.The oil cylinder being fixed on top clamping plate 1 at this time drives push plate
With mandril ejecting product, the separation of product and cover half is realized, last manipulator completes pickup.
When reset, the oil cylinder being fixed on top clamping plate 1 drives push plate and mandril to reset in advance in place, and then injection molding machine pushes away
Dynamic Bottom clamp plate 5 and entire dynamic model part move down up to moving die insert 2 is contacted with fixed die insert 12, and moving template 3 stops
Mobile, then Bottom clamp plate 5 continues to move down, compressed spring 4, at the same sliding axle 6 makees in strip-shaped hole 71 from it is right turn left it is opposite
Movement, so that rotary core pulling block 8 be driven to rotate counterclockwise, until Bottom clamp plate 5 is contacted with moving template 3, mold clamping is finished.
Rotary core pulling block 8 resets in place at this time, and is closely locked in injection molding machine, collectively forms with moving die insert 2, fixed die insert 12
Die cavity.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution should all be fallen within the scope of protection of the present invention.
Claims (3)
1. the Rotary core puller of injection mold, including dynamic model, cover half, the dynamic model includes moving template (3), Bottom clamp plate (5),
Rotating core-pulling mechanism is installed on the dynamic model, it is characterised in that the rotating core-pulling mechanism includes sliding axle (6), slider guide
(7), rotary core pulling block (8), fixing axle (9), the slider guide (7) are fixed on the Bottom clamp plate (5), the slider guide
(7) it is formed with strip-shaped hole (71) in, one end of the rotary core pulling block (8), which is formed with, can make concave arc in product be buckled to molding rotation
Hook (81), the other end are installed on the strip-shaped hole (71) by the sliding axle (6), and the rotary core pulling block (8) passes through institute
It states fixing axle (9) to be mounted on the moving template (3), the rotary core pulling block (8) can do rotation fortune around the fixing axle (9)
It is dynamic, it is also formed in the dynamic model spring cavity (13), is provided with spring (4) in spring cavity (13), the both ends difference of the spring (4)
It is connected with the moving template (3) and the Bottom clamp plate (5), when mold clamping, the spring (4) was in compressive state.
2. the Rotary core puller of injection mold according to claim 1, it is characterised in that be arranged on the moving template (3)
There are moving die insert (2), dynamic model height cushion block (10) and controlled interval pull rod (11), is formed with limit on the dynamic model height cushion block (10)
Slot, the limiting slot are made of large through-hole (101) and small through hole (102), and the small through hole (102) is located at the large through-hole
(101) one end on top, the controlled interval pull rod (11) is fixed on the Bottom clamp plate (5), and the other end passes through described small logical
Hole (102) is located in the large through-hole (101) afterwards, and the controlled interval pull rod (11) is located at the end system in the large through-hole (101)
Have limited block (111), the step formed when the limited block (111) moves to the top with large and small through-hole (101,102) touches
Touching.
3. the Rotary core puller of injection mold according to claim 2, it is characterised in that the cover half includes cover half seat
Plate (1) and fixed die insert (12), the moving die insert (2), fixed die insert (12) and rotary core pulling block (8) shape in mold clamping
At die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016777.XA CN109676871A (en) | 2019-01-08 | 2019-01-08 | The Rotary core puller of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016777.XA CN109676871A (en) | 2019-01-08 | 2019-01-08 | The Rotary core puller of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109676871A true CN109676871A (en) | 2019-04-26 |
Family
ID=66192885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910016777.XA Pending CN109676871A (en) | 2019-01-08 | 2019-01-08 | The Rotary core puller of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109676871A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910249A (en) * | 2019-05-06 | 2019-06-21 | 常州工学院 | A kind of mold arc-shaped core pulling structure |
| CN114654676A (en) * | 2022-03-17 | 2022-06-24 | 日善电脑配件(嘉善)有限公司 | Inclined core-pulling injection mold and disassembling method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904678A (en) * | 2016-06-30 | 2016-08-31 | 浙江台州美多模具有限公司 | Rotational core pulling mechanism for injection mould |
-
2019
- 2019-01-08 CN CN201910016777.XA patent/CN109676871A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904678A (en) * | 2016-06-30 | 2016-08-31 | 浙江台州美多模具有限公司 | Rotational core pulling mechanism for injection mould |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910249A (en) * | 2019-05-06 | 2019-06-21 | 常州工学院 | A kind of mold arc-shaped core pulling structure |
| CN114654676A (en) * | 2022-03-17 | 2022-06-24 | 日善电脑配件(嘉善)有限公司 | Inclined core-pulling injection mold and disassembling method |
| CN114654676B (en) * | 2022-03-17 | 2023-09-05 | 日善电脑配件(嘉善)有限公司 | Oblique core-pulling injection mold and disassembly method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203281758U (en) | Taking-out device of punching die | |
| CN102717491B (en) | Secondary slide block core pulling mechanism | |
| CN109676871A (en) | The Rotary core puller of injection mold | |
| CN114918383B (en) | Flywheel casing casting die utensil | |
| CN202668909U (en) | Secondary sliding block core pulling mechanism | |
| CN113478758B (en) | Utilize slider to take off car injection molding mould and injection molding machine of back-off | |
| CN208131816U (en) | A kind of stamping die with automatic material blanking mechanism | |
| CN102672856A (en) | Secondary core-pulling mechanism with slider for male moulds | |
| CN110435095B (en) | Automobile elbow pipe core-pulling mechanism | |
| CN202367909U (en) | Bevel gear die and resetting mechanism thereof | |
| CN218134523U (en) | Positioning tool for die manufacturing | |
| CN207240743U (en) | For the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different pitch | |
| CN207447161U (en) | Car Change-speed Gear Box Binding Gear decompressor | |
| CN105983638A (en) | Spiral bevel gear forging device | |
| CN108015982A (en) | Dynamic model pulling plate drives the injection mold of angled-lift splits core pulling | |
| CN210333910U (en) | Flash-free forming device for automobile sliding fork | |
| CN207463929U (en) | Car Change-speed Gear Box Binding Gear decompressor | |
| CN207273759U (en) | Front fog lamp rear shell injection mold | |
| CN213006363U (en) | Injection mold with secondary ejection mechanism | |
| CN210174011U (en) | Twice-ejecting mold | |
| CN110103412A (en) | A kind of sliding block band internal loose core injection mold | |
| CN205914609U (en) | Mould positioner is cut to protruding key essence in synchronous zhonghuan of car | |
| CN211221635U (en) | Automatic demoulding mechanism for radiator | |
| CN203254623U (en) | Slide-out mechanism of die sliding block | |
| CN214026680U (en) | Mould with sectional type taper pin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190426 |