CN110605827A - Mould capable of automatically cutting excess material of glue inlet - Google Patents
Mould capable of automatically cutting excess material of glue inlet Download PDFInfo
- Publication number
- CN110605827A CN110605827A CN201910998797.1A CN201910998797A CN110605827A CN 110605827 A CN110605827 A CN 110605827A CN 201910998797 A CN201910998797 A CN 201910998797A CN 110605827 A CN110605827 A CN 110605827A
- Authority
- CN
- China
- Prior art keywords
- cutter
- die
- push rod
- cutting
- holder
- 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
- 239000000463 material Substances 0.000 title claims abstract description 32
- 239000003292 glue Substances 0.000 title claims abstract description 18
- 238000010008 shearing Methods 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 abstract description 12
- 239000004033 plastic Substances 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 8
- 238000004026 adhesive bonding Methods 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000009966 trimming Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a die capable of automatically cutting excess material of a glue opening, which comprises a die holder with a glue opening; a shearing device for cutting off excess materials is arranged on the die holder and is arranged in an installation groove below the glue opening; the shearing device comprises a cutter, a cutter holder for mounting the cutter and a driving device for driving the cutter holder to move vertically; the rear end of the cutter is provided with a bulge towards one side, and the bulge is embedded into a transverse groove matched with the cutter holder. Adopt the technical scheme of this application, through setting up shearing mechanism below gluing mouthful, after working of plastics injection moulding, it is not completely cooled off when, utilizes drive arrangement to promote the blade holder and shifts up, utilizes the cutter to cut off the clout at working of plastics edge. Before the plastic part is demoulded, the excess material is sheared by controlling the shearing device, so that the profile of the product is smooth, the quality is controllable, and the consistency is good. And the excess materials are cut off before demoulding, so that demoulding is facilitated. And the bulge at the rear end of the cutter can be directly arranged on the cutter holder from the end part of the transverse groove, so that the installation is simple and convenient.
Description
Technical Field
The invention relates to the field of injection molds, in particular to a mold capable of automatically cutting excess materials of a glue inlet.
Background
A large number of plastic parts are injection molded on an automobile, and excess material cooled in a glue inlet is left at the edge of the outline of the plastic part in the molding process. After the formed plastic part is taken down, the edge of the plastic part needs to be manually trimmed, and the excess materials are cut off.
But the cooled residual material has higher hardness, so the trimming process is time-consuming and labor-consuming and is troublesome to process; and after the excess material is sheared manually, the flatness of the outline of the plastic part is uncontrollable, the consistency is poor, and the quality of the product can be influenced. In addition, the plastic part with the residual materials is inconvenient to demould and affects the working efficiency.
Disclosure of Invention
In order to solve the problems, the invention provides the die capable of automatically cutting the excess material of the glue opening.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
a mould capable of automatically cutting excess material of a glue opening comprises a mould base with a glue opening; a shearing device for cutting off excess materials is arranged on the die holder and is arranged in an installation groove below the glue opening; the shearing device comprises a cutter, a cutter holder for mounting the cutter and a driving device for driving the cutter holder to move vertically; the rear end of the cutter is provided with a bulge towards one side, and the bulge is embedded into a transverse groove matched with the cutter holder.
Adopt the technical scheme of this application, through setting up shearing mechanism below gluing mouthful, after working of plastics injection moulding, it is not completely cooled off when, utilizes drive arrangement to promote the blade holder and shifts up, utilizes the cutter to cut off the clout at working of plastics edge. Before the plastic part is demoulded, the excess material is sheared by controlling the shearing device, so that the profile of the product is smooth, the quality is controllable, and the consistency is good. And the excess materials are cut off before demoulding, so that demoulding is facilitated. And the bulge at the rear end of the cutter can be directly arranged on the cutter holder from the end part of the transverse groove, so that the installation is simple and convenient.
Preferably, the shearing device further comprises a seat body for mounting the tool apron; the bottom of the seat body is provided with an accommodating cavity for accommodating the tool apron; the top of holding the chamber is seted up and is supplied the guiding hole that the cutter stretched out.
When in installation, the cutter is firstly installed on the cutter holder; then the tool apron is arranged in the accommodating cavity from the bottom of the seat body; and finally, fixing the seat body in the mounting groove. The operation is simple, and the installation is convenient.
Preferably, the tool apron is provided with a return spring; the upper end of the return spring is propped against the top of the containing cavity.
When the excess material is sheared, the tool apron moves upwards, so that the return spring is pressed and deformed; after the excess material is sheared, the reset spring can push the cutter holder to move downwards to help the cutter holder reset.
Preferably, a push rod hole for penetrating a push rod is formed in the bottom of the accommodating cavity; the driving device is propped against the bottom of the tool apron through the top of the push rod.
The driving device is abutted against the bottom of the tool apron through the push rod, the driving device is not required to be directly installed on the tool apron, and the position of the driving device can be reasonably arranged according to the structure of the die holder.
Preferably, the side wall of the lower part of the mounting groove is inwards recessed to form a limiting notch; the limiting notch is positioned above the push rod hole and used for limiting the moving distance of the push rod; one part of the top of the push rod is abutted against the cutter holder, and the other part of the top of the push rod is arranged in the limiting notch.
When the push rod pushes the seat body to move upwards to the right position, the top of the push rod is arranged on the position limiting notch, and the part of the top of the push rod, which is arranged on the position limiting notch, can be abutted against the top of the position limiting notch; thereby the displacement of restriction push rod can avoid the cutter on the blade holder to stretch out the overlength, guarantees that the cutter can not damage the spare part of mould.
Preferably, the push rod and the cutter are located on the same side of the cutter holder.
Because cutter and push rod are in the homonymy of blade holder, the push rod is located the cutter under, and the push rod can steadily promote the cutter through the blade holder and shift up.
Preferably, the seat body is provided with an avoiding notch for avoiding the push rod; the avoiding gap corresponds to the limiting gap.
The gap of dodging that sets up can guarantee that the pedestal can not interfere the push rod and remove.
Preferably, the die holder comprises a bottom plate, a die leg for supporting and a die core supported by the die leg; the driving device is arranged on the bottom plate; the mounting groove is formed in the mold core.
The driving device is fixed on the bottom plate, and the hot runner of the injection mold is arranged on the mold core, so that the layout is reasonable.
Preferably, the mounting groove is formed in the mold core; the push rod hole penetrates through the mold core from the bottom of the mounting groove.
The push rod of the driving device stretches into the mounting groove from the bottom of the mold core to push the cutter holder to move, and the layout is reasonable.
Preferably, the driving device is an oil cylinder; and the oil circuit of the oil cylinder is arranged on the bottom plate. The interference between the oil way and the hot runner can be avoided.
The automatic shearing machine has the beneficial effects that excess materials of the glue opening can be automatically sheared, the smooth contour of a product can be ensured, the quality is controllable, and the consistency is good; the installation is simple and convenient, and the design is reasonable; the work is smooth; the parts of the mould are not damaged.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Fig. 2 is a schematic view of an assembly structure of the base.
Fig. 3 is an enlarged view of a point a in fig. 1.
FIG. 4 is a partial cross-sectional view of the mandrel.
Fig. 5 is a sectional view of the holder body.
Fig. 6 is a schematic structural view of the tool holder.
The reference numerals and components referred to in the drawings are as follows:
the die holder comprises a die holder 1, a mounting groove 2, a cutter 3, a tool apron 4, a driving device 5, a protrusion 6, a transverse groove 7, a die holder body 8, a containing cavity 9, a guide hole 10, a return spring 11, a push rod 12, a push rod hole 13, a limiting notch 14, an avoiding notch 15, a bottom plate 16, a die pin 17, a die core 18, a positioning groove 19 and a positioning block 20.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
As shown in fig. 1 to 5, a die capable of cutting excess material of a glue opening comprises a die holder 1 with a glue opening; a shearing device for cutting off excess materials is arranged on the die holder 1 and is arranged in the mounting groove 2 below the glue opening; the shearing device comprises a cutter 3, a cutter holder 4 for mounting the cutter 3 and a driving device 5 for driving the cutter holder 4 to vertically move; the rear end of the cutter 3 is provided with a bulge 6 towards one side, and the bulge 6 is embedded into a transverse groove 7 matched with the cutter holder 4.
The shearing device also comprises a seat body 8 for mounting the cutter seat 4; the top of the base body 8 is matched with the profile of the top of the die holder 1, and the bottom of the base body 8 is provided with an accommodating cavity 9 for accommodating the tool apron 4; the top of the accommodating cavity 9 is provided with a guide hole 10 for the cutter 3 to extend out. The seat body 8 is screwed in the mounting groove 2 by screws.
In order to facilitate resetting, a reset spring 11 is arranged on the tool apron 4; the upper end of the return spring 11 is pressed against the top of the accommodating cavity 9. For convenience of installation, a push rod hole 13 for penetrating a push rod 12 is formed at the bottom of the accommodating cavity 9; the driving device 5 is pressed against the bottom of the tool apron 4 through the top of the push rod 12.
In order to limit the moving distance of the push rod 12, the side wall of the lower part of the mounting groove 2 is inwards sunken to form a limiting notch 14; the limiting notch 14 is positioned above the push rod hole 13 and used for limiting the moving distance of the push rod 12; one part of the top of the push rod 12 abuts against the tool holder 4 and the other part is placed in the limit notch 14. The push rod 12 and the cutter 3 are positioned at the same side of the cutter holder 4. An avoiding gap 15 for avoiding the push rod 12 is arranged on the seat body 8; the avoidance gap 15 corresponds to the limit gap 14.
Wherein, the die holder 1 comprises a bottom plate 16, a die leg 17 for supporting and a die core 18 supported by the die leg 17; the driving device 5 is arranged on the bottom plate 16; the mounting groove 2 opens onto the core 18. The mounting groove 2 is formed in the mold core 18; the push rod hole 13 penetrates through the core 18 from the bottom of the mounting groove 2. The driving device 5 is an oil cylinder; the oil passages of the oil cylinders are arranged on the bottom plate 16. The interference between the oil way and the hot runner can be avoided.
As shown in fig. 6, for positioning convenience, an arc-shaped positioning slot 19 is formed on one side of the tool apron 4, and a cylindrical positioning block 20 is further arranged in the accommodating cavity 9; the positioning block 20 is fixed in the mounting groove 2 through screws, and the side wall of the positioning block 20 is abutted against the positioning groove 19.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended as illustrations of the principles of the invention, and that other variations and modifications may be made without departing from the spirit and scope of the invention, which variations and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A die capable of automatically cutting excess material of a glue opening, which comprises a die holder (1) with a glue opening; the die holder (1) is provided with a shearing device for cutting off excess materials, and the shearing device is characterized in that the shearing device is arranged in the mounting groove (2) below the glue opening; the shearing device comprises a cutter (3), a cutter holder (4) for mounting the cutter (3), and a driving device (5) for driving the cutter holder (4) to move vertically; the rear end of the cutter (3) is provided with a bulge (6) towards one side, and the bulge (6) is embedded into a transverse groove (7) matched with the cutter holder (4).
2. The die capable of self-cutting a gate excess material according to claim 1, wherein: the shearing device also comprises a seat body (8) for mounting the cutter seat (4); the bottom of the seat body (8) is provided with an accommodating cavity (9) for accommodating the tool apron (4); the top of the accommodating cavity (9) is provided with a guide hole (10) for the cutter (3) to extend out.
3. The die capable of self-cutting a gate excess material according to claim 2, wherein: a return spring (11) is arranged on the cutter holder (4); the upper end of the return spring (11) is propped against the top of the containing cavity (9).
4. The die capable of self-cutting a gate excess material according to claim 3, wherein: a push rod hole (13) for penetrating a push rod (12) is formed in the bottom of the accommodating cavity (9); the driving device (5) is propped against the bottom of the tool apron (4) through the top of the push rod (12).
5. The die capable of self-cutting a gate excess material according to claim 4, wherein: the side wall of the lower part of the mounting groove (2) is inwards sunken to form a limiting notch (14); the limiting notch (14) is positioned above the push rod hole (13) and is used for limiting the moving distance of the push rod (12); one part of the top of the push rod (12) is abutted against the cutter holder (4), and the other part is arranged in the limiting notch (14).
6. The die capable of self-cutting a gate excess material according to claim 5, wherein: the push rod (12) and the cutter (3) are positioned at the same side of the cutter holder (4).
7. The die capable of self-cutting a gate excess material according to claim 6, wherein: an avoidance notch (15) for avoiding the push rod (12) is formed in the base body (8); the avoiding gap (15) corresponds to the limiting gap (14).
8. The die capable of self-cutting a gate scrap according to any one of claims 1 to 6, wherein: the die holder (1) comprises a bottom plate (16), a die leg (17) for supporting and a die core (18) supported by the die leg (17); the driving device (5) is arranged on the bottom plate (16); the mounting groove (2) is formed in the mold core (18).
9. The die capable of self-cutting a gate excess material as claimed in claim 8, wherein: the mounting groove (2) is formed in the mold core (18); the push rod hole (13) penetrates through the mold core (18) from the bottom of the mounting groove (2).
10. The die capable of self-cutting a gate excess material as claimed in claim 9, wherein: the driving device (5) is an oil cylinder; the oil path of the oil cylinder is arranged on the bottom plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910998797.1A CN110605827A (en) | 2019-10-21 | 2019-10-21 | Mould capable of automatically cutting excess material of glue inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910998797.1A CN110605827A (en) | 2019-10-21 | 2019-10-21 | Mould capable of automatically cutting excess material of glue inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110605827A true CN110605827A (en) | 2019-12-24 |
Family
ID=68893324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910998797.1A Pending CN110605827A (en) | 2019-10-21 | 2019-10-21 | Mould capable of automatically cutting excess material of glue inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110605827A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619075A (en) * | 2020-06-04 | 2020-09-04 | 陈辉 | Injection mold convenient to take off material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205668374U (en) * | 2016-06-03 | 2016-11-02 | 南通天腾机械模具有限公司 | Automatic shearing stub bar device in mould |
| CN211640832U (en) * | 2019-10-21 | 2020-10-09 | 华晨鑫源重庆汽车有限公司 | Mould capable of automatically cutting excess material of glue inlet |
-
2019
- 2019-10-21 CN CN201910998797.1A patent/CN110605827A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205668374U (en) * | 2016-06-03 | 2016-11-02 | 南通天腾机械模具有限公司 | Automatic shearing stub bar device in mould |
| CN211640832U (en) * | 2019-10-21 | 2020-10-09 | 华晨鑫源重庆汽车有限公司 | Mould capable of automatically cutting excess material of glue inlet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619075A (en) * | 2020-06-04 | 2020-09-04 | 陈辉 | Injection mold convenient to take off material |
| CN111619075B (en) * | 2020-06-04 | 2021-11-19 | 佛山市雅航精密注塑有限公司 | Injection mold convenient to take off material |
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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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 408000 111 Xinyuan Avenue, Xincheng District, Fuling District, Chongqing Applicant after: Xinyuan Automobile Co.,Ltd. Address before: 408000 111 Xinyuan Avenue, Xincheng District, Fuling District, Chongqing Applicant before: HUACHEN XINYUAN CHONGQING AUTOMOBILE Co.,Ltd. |