CN107415175B - Cutting device in injection mold glue feeding mold - Google Patents
Cutting device in injection mold glue feeding mold Download PDFInfo
- Publication number
- CN107415175B CN107415175B CN201710200735.2A CN201710200735A CN107415175B CN 107415175 B CN107415175 B CN 107415175B CN 201710200735 A CN201710200735 A CN 201710200735A CN 107415175 B CN107415175 B CN 107415175B
- Authority
- CN
- China
- Prior art keywords
- mold
- movable
- core
- semicircular groove
- gate insert
- 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.)
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- 238000005520 cutting process Methods 0.000 title claims abstract description 40
- 239000003292 glue Substances 0.000 title claims abstract description 22
- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 1
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 discloses an in-mold cutting device for glue feeding of an injection mold, which comprises the following components: the mold comprises a fixed mold core and a corresponding movable mold core, wherein the fixed mold core is internally provided with a fixed mold gate insert pointing to the movable mold core, the fixed mold core is internally provided with a movable mold gate insert corresponding to the fixed mold gate insert, the bottom of the fixed mold gate insert is provided with a first semicircular groove, the top of the movable mold gate insert is provided with a second semicircular groove corresponding to the first semicircular groove, the tail end of the first semicircular groove is inwards concave provided with a runner chute, the lower part of the movable mold core is provided with an inner mold cutting needle extending to the top of the movable mold gate insert, and the top of the inner mold cutting needle is provided with a chamfer corresponding to the runner chute. By the mode, the device for cutting the plastic inlet in the injection mold realizes automatic in-mold cutting of the plastic inlet, improves the production efficiency, is beneficial to improving the production efficiency by dividing holes, and realizes full-automatic production of products.
Description
Technical Field
The invention relates to the field of injection molds, in particular to an in-mold cutting device for glue feeding of an injection mold.
Background
In the existing injection mold, the plastic injection mold has two glue feeding modes of a large water gap and a fine water gap, and the large water gap is quick in glue feeding, small in pressure, strong in feeding capability, suitable for plastic with high viscosity and poor fluidity, low in pressure loss and commonly used for producing large plastic products.
When the large water gap glue inlet point is adopted for small products, the problem that glue inlet cannot be normally cut off easily occurs, the influence on plastic parts is large, automatic production is difficult to realize, the production efficiency is influenced, and improvement is needed.
Disclosure of Invention
The invention mainly solves the technical problem of providing the in-mold cutting device for the glue feeding of the injection mold, which realizes automatic in-mold cutting of a glue port and improves the production efficiency.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides an injection mold advances to glue in-mold cutting device, include: the mold comprises a fixed mold core and a corresponding movable mold core, wherein the fixed mold core is internally provided with a fixed mold gate insert pointing to the movable mold core, the fixed mold core is internally provided with a movable mold gate insert corresponding to the fixed mold gate insert, the bottom of the fixed mold gate insert is provided with a first semicircular groove, the top of the movable mold gate insert is provided with a second semicircular groove corresponding to the first semicircular groove, the tail end of the first semicircular groove is inwards concave provided with a runner chute, the lower part of the movable mold core is provided with an inner mold cutting needle extending to the top of the movable mold gate insert, and the top of the inner mold cutting needle is provided with a chamfer corresponding to the runner chute.
In a preferred embodiment of the present invention, the chamfer is provided with a square groove in a concave manner.
In a preferred embodiment of the present invention, the end of the second semicircular groove is provided with a sliding groove corresponding to the in-mold cutting needle.
In a preferred embodiment of the invention, the fixed die core is provided with a mounting hole corresponding to the fixed die sprue insert.
In a preferred embodiment of the present invention, the movable mold core is provided with an insert groove corresponding to the movable mold gate insert.
In a preferred embodiment of the present invention, a plurality of demolding ejector pins are disposed below the movable mold core.
The beneficial effects of the invention are as follows: according to the in-mold cutting device for the glue inlet of the injection mold, the fixed mold gate insert is arranged on the fixed mold core, the runner chute is utilized to form the runner convex hull at the glue inlet, after the injection molding of a product is finished, the in-mold cutting needle is firstly enabled to eject out of 0.5mm, the in-mold cutting action is finished in the runner convex hull, then the mold is opened to eject out the product, the automatic in-mold cutting of the glue inlet is realized, the production efficiency is improved, the improvement of the production efficiency is facilitated, the glue inlet point of the large water inlet is realized, and the full-automatic production of a small product is realized.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of an in-mold cutting device for molding an injection mold according to a preferred embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
an in-mold cutting device for an injection mold glue feeding process, comprising: the mold comprises a fixed mold core 1 and a corresponding movable mold core 4, wherein the fixed mold core 1 is internally provided with a fixed mold gate insert 2 pointing to the movable mold core 4, the movable mold core 4 is internally provided with a movable mold gate insert 3 corresponding to the fixed mold gate insert 2, the bottom of the fixed mold gate insert 2 is provided with a first semicircular groove 21, the top of the movable mold gate insert 3 is provided with a second semicircular groove 31 corresponding to the first semicircular groove 21, the tail end of the first semicircular groove 21 is internally provided with a runner chute, the lower part of the movable mold core 4 is provided with an inner mold cutting needle 6 extending to the top of the movable mold gate insert 3, and the top of the inner mold cutting needle 6 is provided with a chamfer 61 corresponding to the runner chute. After the injection molding of the product is finished, the in-mold cutting needle 6 is firstly enabled to eject out by 0.5mm, the in-mold cutting action of the glue opening is finished in the in-mold cutting convex hull 81, and then the product 7 is ejected out by opening the mold, so that the automatic in-mold cutting of the glue opening is realized, and the production efficiency is improved.
The first semicircular groove 21 and the second semicircular groove 31 form a round hole channel when the dies are assembled, and correspond to the runner 8 of the die, so that the die is extended, the hole separation is facilitated, the production efficiency is improved, and the full-automatic production of products is realized. The square groove 62 is concavely arranged on the chamfer 61, and during injection molding, sizing materials can quickly enter the cavity through the square groove 62, so that the filling molding efficiency is improved, and the cutting of a sizing opening is facilitated.
The end of the second semicircular groove 31 is provided with a sliding groove corresponding to the in-mold cutting needle 6, so that the in-mold cutting needle 6 can conveniently move up and down. The movable mould core 4 is provided with an embedded groove 41 corresponding to the movable mould pouring gate insert 3, so that the movable mould pouring gate insert 3 is convenient to install, and the structure is firm.
The fixed die core 1 is internally provided with the mounting hole 11 corresponding to the fixed die sprue insert 2, so that the mounting is convenient, and the structure is more compact.
A plurality of demoulding ejector pins 5 are arranged below the movable mould core 4. After the die is opened, the demolding ejector pins 5 eject out, so that the product 7 is demolded, and the degree of automation is high.
In summary, the in-mold cutting device for the glue feeding of the injection mold is arranged on the mold plate, so that in-mold cutting of a glue port is realized, the degree of automation is high, the hole separation is facilitated, the production efficiency is improved, the glue feeding point of the large water port is adopted to realize production of small products, and the problem of difficult cutting is avoided.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (6)
1. An in-mold cutting device for an injection mold glue feeding process, comprising: the mold is characterized in that a fixed mold sprue insert pointing to the movable mold core is arranged in the fixed mold core, a movable mold sprue insert corresponding to the fixed mold sprue insert is arranged in the movable mold core, a first semicircular groove is formed in the bottom of the fixed mold sprue insert, a second semicircular groove corresponding to the first semicircular groove is formed in the top of the movable mold sprue insert, a runner chute is arranged at the tail end of the first semicircular groove in a concave mode, an in-mold cutting needle extending to the top of the movable mold sprue insert is arranged below the movable mold core, and a chamfer corresponding to the runner chute is arranged at the top of the in-mold cutting needle.
2. The cutting device in the plastic feeding mold of the injection mold according to claim 1, wherein a square groove is concavely arranged on the chamfer.
3. The cutting device in the plastic feeding mold of the injection mold according to claim 1, wherein the second semicircular groove is provided with a sliding groove corresponding to the in-mold cutting needle at the tail end.
4. The in-mold cutoff device for molding an injection mold according to claim 1, wherein the stationary mold core has a mounting hole therein corresponding to the stationary mold gate insert.
5. The cutting device in the injection mold according to claim 1, wherein the movable mold core is provided with an insert groove corresponding to the movable mold gate insert.
6. The cutting device in the plastic feeding mold of the injection mold according to claim 1, wherein a plurality of demolding ejector pins are arranged below the movable mold core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710200735.2A CN107415175B (en) | 2017-03-30 | 2017-03-30 | Cutting device in injection mold glue feeding mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710200735.2A CN107415175B (en) | 2017-03-30 | 2017-03-30 | Cutting device in injection mold glue feeding mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107415175A CN107415175A (en) | 2017-12-01 |
| CN107415175B true CN107415175B (en) | 2023-10-27 |
Family
ID=60423197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710200735.2A Active CN107415175B (en) | 2017-03-30 | 2017-03-30 | Cutting device in injection mold glue feeding mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107415175B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11198195A (en) * | 1998-01-20 | 1999-07-27 | Honda Motor Co Ltd | Gate cutting method for injection molding die |
| CN201304707Y (en) * | 2008-12-09 | 2009-09-09 | 杭州嘉力讯电子科技有限公司 | Submarine hooked sprue component for small-sized products |
| CN102336001A (en) * | 2011-07-15 | 2012-02-01 | 凡嘉科技（无锡）有限公司 | Mosaic structure of submarine gate |
| CN102873832A (en) * | 2012-08-06 | 2013-01-16 | 昆山市浩坤机械有限公司 | Sprue insert structure |
| CN202702535U (en) * | 2012-08-22 | 2013-01-30 | 珠海格力大金精密模具有限公司 | Mold gate cut pouring gate device and injection mold with mold gate cut pouring gate device |
| CN105415608A (en) * | 2015-12-23 | 2016-03-23 | 平江县职业技术学校 | Automatic sprue cut-off device |
| CN105563767A (en) * | 2014-10-17 | 2016-05-11 | 彩丽电子（深圳）有限公司 | Automatic nozzle cutting device |
| CN206690488U (en) * | 2017-03-30 | 2017-12-01 | 苏州华科精密模具有限公司 | A kind of injection mold enters rubber moulding internal cutting off device |
-
2017
- 2017-03-30 CN CN201710200735.2A patent/CN107415175B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11198195A (en) * | 1998-01-20 | 1999-07-27 | Honda Motor Co Ltd | Gate cutting method for injection molding die |
| CN201304707Y (en) * | 2008-12-09 | 2009-09-09 | 杭州嘉力讯电子科技有限公司 | Submarine hooked sprue component for small-sized products |
| CN102336001A (en) * | 2011-07-15 | 2012-02-01 | 凡嘉科技（无锡）有限公司 | Mosaic structure of submarine gate |
| CN102873832A (en) * | 2012-08-06 | 2013-01-16 | 昆山市浩坤机械有限公司 | Sprue insert structure |
| CN202702535U (en) * | 2012-08-22 | 2013-01-30 | 珠海格力大金精密模具有限公司 | Mold gate cut pouring gate device and injection mold with mold gate cut pouring gate device |
| CN105563767A (en) * | 2014-10-17 | 2016-05-11 | 彩丽电子（深圳）有限公司 | Automatic nozzle cutting device |
| CN105415608A (en) * | 2015-12-23 | 2016-03-23 | 平江县职业技术学校 | Automatic sprue cut-off device |
| CN206690488U (en) * | 2017-03-30 | 2017-12-01 | 苏州华科精密模具有限公司 | A kind of injection mold enters rubber moulding internal cutting off device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107415175A (en) | 2017-12-01 |
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