CN113306076A - Flexible positioning device for in-mold injection molding - Google Patents
Flexible positioning device for in-mold injection molding Download PDFInfo
- Publication number
- CN113306076A CN113306076A CN202110635258.9A CN202110635258A CN113306076A CN 113306076 A CN113306076 A CN 113306076A CN 202110635258 A CN202110635258 A CN 202110635258A CN 113306076 A CN113306076 A CN 113306076A
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- Prior art keywords
- piece
- driving part
- positioning
- male die
- positioning driving
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 47
- 229920003023 plastic Polymers 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- 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
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/36—Plugs, connectors, or parts thereof
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 injection molding flexible positioning device, and relates to the technical field of machining auxiliary devices. This flexible positioner of moulding plastics in mould includes: the cross section of the positioning driving part is in an isosceles trapezoid shape; the two male die sliding blocks are respectively arranged on the inclined planes at the two sides of the positioning driving part; the driving assembly is connected to the positioning driving part to drive the positioning driving part to move; one end of the first elastic piece is fixed, and the other end of the first elastic piece is connected to the male die sliding block; the metal piece is sleeved between the two male die slide blocks through a through hole on the metal piece; when the driving assembly drives the positioning driving part to move, the two male die sliding blocks move towards two sides of the positioning driving part and are tightly attached to the edge of the through hole. The invention can accurately position the metal piece to avoid generating burrs and accelerate the production efficiency of the metal piece.
Description
Technical Field
The invention relates to the technical field of machining auxiliary devices, in particular to an in-mold injection molding flexible positioning device.
Background
At present, the linker products such as the Type-C connector and the like adopt the technology of injection molding and encapsulation in a metal piece and an inner mold to seal the metal piece (shown in a figure 1 and a figure 2), the size of the product is relatively small, but the required precision is high, and the positioning during injection molding in the mold and the control of burrs generated by the matching gap between the mold and the iron piece are extremely strict.
The existing in-mold injection molding adopts metal inner wall positioning, after size classification, the unilateral positioning gap between a metal piece and a mold is 0.005-0.01mm, the requirement of implanting the metal piece into the mold is extremely high, the iron piece is easy to be placed in place and the mold is crushed, in addition, plastic burrs are reworked by adopting a blade or laser cutting, the sizes of the burrs are not consistent, the problems of product cutting damage or incomplete cutting and the like are easy to cause, and thus the production efficiency of the whole process is lower.
Disclosure of Invention
In order to solve the problems in the prior art, the embodiment of the invention provides an in-mold injection molding flexible positioning device. The technical scheme is as follows:
in a first aspect, an in-mold injection flexible positioning device is provided for positioning a metal member, comprising:
the cross section of the positioning driving part is in an isosceles trapezoid shape;
the two male die sliding blocks are respectively arranged on the inclined planes at the two sides of the positioning driving part;
the driving assembly is connected to the positioning driving part to drive the positioning driving part to move;
one end of the first elastic piece is fixed, and the other end of the first elastic piece is connected to the male die sliding block;
the metal piece is sleeved between the two male die slide blocks through a through hole on the metal piece;
when the driving assembly drives the positioning driving part to move, the two male die sliding blocks move towards two sides of the positioning driving part and are tightly attached to the edge of the through hole.
In one embodiment, the in-mold flexible positioning device further comprises:
the female die sliding blocks are arranged on two sides of the upper end part of the positioning driving part;
one end of the second elastic piece is relatively fixed, and the other end of the second elastic piece is connected to the female die sliding block;
when the metal piece is sleeved between the two male die sliding blocks and the positioning driving part and the male die sliding blocks are attached to the edge of the through hole of the metal piece, the end part of the female die sliding block abuts against the connecting plate of the metal piece, and one side of the female die sliding block is attached to the fixing rod of the metal piece.
In one embodiment, the first elastic member and the second elastic member are springs.
In one embodiment, the drive assembly comprises:
the movable piece is connected with the positioning driving part and is provided with a wedge-shaped slot hole;
the wedge piece is connected to the wedge groove hole of the movable piece in a matching mode;
the pushing piece is arranged on one side of the wedge piece, and the output end of the pushing piece is connected with the wedge piece.
In one embodiment, the pushing member is a micro cylinder, a micro oil cylinder or a micro electric push rod.
In one embodiment, a first balance block is connected to one end, close to the movable member, of the male die slide block, one end of the first elastic member is fixed to the first balance block, and a gap is formed between the first balance block and the movable member.
In one embodiment, a side wall of the movable member is provided with a holding portion.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, through the arrangement of the positioning driving part, the male die slide block and the driving component, when the metal part is positioned, the metal part can be sleeved between the two male die slide blocks, then the driving component is used for driving the positioning driving part to move, so that the male die slide block relatively moves towards two sides and is abutted against the edge of the through hole near the metal part, then the driving component is continuously used for driving the positioning driving part to move so as to drive the male die slide block to move, after the driving component reaches the set force, the male die slide block is completely attached to the through hole near the metal part, the gap between the metal part and the male die slide block is ensured to be close to 0mm in a wireless mode, the problems of burrs and the like in the subsequent processing can be relatively avoided, and meanwhile, the accurate positioning of the metal part is conveniently completed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a metal part provided in an embodiment of the present invention;
FIG. 2 is a schematic view of a metal part provided by an embodiment of the present invention after injection molding of an injection molding structure;
FIG. 3 is a schematic diagram of an overall structure of an in-mold injection molding flexible positioning device provided by an embodiment of the invention;
FIG. 4 is a schematic view of a portion of an in-mold injection molding flexible positioning device according to an embodiment of the present invention;
fig. 5 is a schematic side view of an in-mold injection molding flexible positioning device according to an embodiment of the present invention.
Description of reference numerals:
1. a positioning drive section; 2. a male mold slide block; 21. a first weight; 22. a first elastic member; 31. a movable member; 32. a wedge; 33. a pusher member; 4. a female die slide block; 41. a second weight; 42. a second elastic member; 5. a metal member; 51. fixing the rod; 52. a connecting plate; 53. and (5) injection molding structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Terms such as "upper," "above," "lower," "below," "first end," "second end," "one end," "another end," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Furthermore, the terms "mounted", "disposed", "provided", "connected", "slidably connected", "fixed" and "sleeved" are to be understood in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The embodiment of the invention provides an in-mold injection molding flexible positioning device which can be used for positioning a metal piece and placing the metal piece into a cavity of an injection molding machine for sealing glue through the in-mold injection molding flexible positioning device.
As shown in fig. 2 and fig. 3, the flexible positioning device for in-mold injection molding comprises a positioning driving portion 1, two male mold sliders 2, a driving assembly and a first elastic member 22, wherein the cross section of the positioning driving portion 1 is isosceles trapezoid, the two male mold sliders 2 are arranged, and the two male mold sliders 2 are respectively arranged on the inclined planes at two sides of the positioning driving portion 1. And one end of the first elastic element 22 is relatively fixed, and the other end is connected to the male die slide 2.
The driving assembly is connected to the positioning driving part 1 and used for driving the positioning driving part 1 to move along the axial direction of the positioning driving part, and when the positioning driving part 1 is driven to move, the positioning driving part 1 can push the two male die sliding blocks 2 to move towards two sides of the positioning driving part 1.
Referring to fig. 1 and 2, the metal member 5 includes two fixing rods 51 and a connecting plate 52 connected between the two fixing rods 51, the connecting plate 52 is relatively thin and has a thickness smaller than that of the fixing rods 51, the connecting plate 52 is connected to the middle of the fixing rods 51, a through hole is formed in the center of the connecting plate 52, the metal member 5 is sleeved between the male mold slider 2 and the positioning driving part 1 through the through hole on the connecting plate 52, and when the driving assembly drives the positioning driving part 1 to move, the male mold slider 2 can move towards two sides of the positioning driving part 1 and cling to the edge of the through hole.
So, when needing to seal glue and mould plastics to metalwork 5, can make metalwork 5 cover establish between public mould slider 2, utilize drive assembly drive location drive division 1 to remove after that, so that two public mould sliders 2 relative movement, in order to laminate to the through-hole edge, later after drive assembly reaches the drive dynamics of settlement, show that public mould slider 2 pastes completely to metalwork 5 through-hole edge on, thereby guarantee relatively that the clearance between metalwork 5 and public mould slider 2 is wireless approaches to 0mm, can make drive assembly stop motion this moment, in order to accomplish the accurate positioning in the metalwork 5 mould, and accomplish the mould plastics, in order to mould plastics and form injection structure 53 on metalwork 5 (see fig. 2). When the driving assembly drives the positioning driving part 1 to move back to the original position, the first elastic element 22 can push the male die slide 2 to move back to the original position.
In an embodiment, as shown in fig. 5, the flexible positioning device for in-mold injection further includes two female mold sliders 4 and two second elastic members 42, where the two female mold sliders 4 are respectively disposed on two sides of the upper end of the positioning driving portion 1, and one end of the second elastic member 42 is relatively fixed, and the other end is connected to the female mold slider 4. When the metal piece 5 is sleeved between the two male die sliders 2 and the positioning driving portion 1 and the male die sliders 2 are attached to the edges of the through holes of the metal piece 5, the end of the female die slider 4 abuts against the connecting plate 52 of the metal piece 5, and one side of the female die slider 4 is attached to the side wall of the fixing rod 51 of the metal piece 5.
In actual operation, can establish earlier with metalwork 5 cover between two public mould slider 2 and the location drive division 1, later set up two master model slider 4 respectively to location drive division 1 upper end to make 4 tip of master model slider stretch into in the through-hole, thereby when drive assembly drive location drive division 1 removes, can drive public mould slider 2 and master model slider 4 simultaneously and remove to both sides, make public mould slider 2 paste tightly to the edge of through-hole, and make master model slider 4 paste tightly to on the dead lever 51 of metalwork 5.
It should be noted that, the fixed end of the first elastic member 22 and the fixed end of the second elastic member 42 may be relatively fixed to a relatively fixed structure, for example, when the positioning device is placed on a workbench, a limiting plate may be disposed on the workbench, and the fixed end of the first elastic member 22 and the fixed end of the second elastic member 42 may be abutted to the limiting plate, so that the fixed end of the first elastic member 22 and the fixed end of the second elastic member 42 are relatively fixed. Of course, it can be set according to the setting, and it is only necessary to fix the first elastic member 22 and the second elastic member 42 relatively when in use.
The first elastic member 22 and the second elastic member 42 may be springs.
In one embodiment, as shown in fig. 5, the driving assembly includes a movable member 31, a wedge member 32, and a pushing member 33, wherein the movable member 31 is fixedly connected to the positioning driving portion 1, a wedge slot is provided on the movable member 31, and the wedge member 32 is connected to the wedge slot of the movable member 31 in a fitting manner. The pushing member 33 is disposed on one side of the wedge member 32, and an output end of the pushing member 33 is fixedly connected to the wedge member 32, so that, in a process of making the output end of the pushing member 33 push the wedge member 32 to move, the moving member 31 is driven to move, so as to drive the positioning driving portion 1 to move. Accordingly, when the wedge 32 is moved backward by the output end of the pushing member 33, the positioning driving portion 1 is moved backward, so that the male mold slider 2 and the female mold slider 4 can be moved in opposite directions.
The pushing member 33 may be any one of a micro cylinder, a micro oil cylinder, or a micro electric push rod, for example, the micro cylinder may be used as the pushing member 33, so that a piston rod of the micro cylinder and the wedge 32 are fixed to each other, and thus when the piston rod of the micro cylinder operates, the piston rod of the micro cylinder may relatively drive the movable member 31 to move, so as to realize movement of the driving portion 1, and in addition, after the micro cylinder reaches a set force, the micro cylinder stops moving, so as to realize accurate positioning in the mold of the metal piece 5.
In one embodiment, as shown in fig. 3, the first weight 21 is integrally connected to one end of the male die slide 2 close to the movable member 31, one end of the first elastic member 22 is fixedly connected to the first weight 21, a gap is formed between the first weight 21 and the movable member 31, and due to the gap between the first weight 21 and the movable member 31, when the positioning driving portion 1 moves upward, the movement of the male die slide 2 is not interfered by the movable member 31, and the first elastic member 22 is conveniently fixed. Accordingly, the female mold slider 4 is integrally connected to the second weight 41, and one end of the second elastic member 42 is fixedly connected to the second weight 41, so that the second elastic member 42 is connected.
The first weight 21 and the second weight 41 may be respectively provided with a limiting device to limit the moving direction of the first weight 21 and the second weight 41, so that the first weight 21 and the second weight 41 can only move towards two sides, thereby ensuring the moving direction of the male mold slider 2 and the female mold slider 4. For example, a stopper rod may be provided at the first weight 21 and the second weight 41 so that the first weight 21 and the second weight 41 can move only in the length direction of the first elastic member 22 or the second elastic member 42.
In one embodiment, a grip portion is fixedly connected to a sidewall of the movable member 31, and the grip portion may be a handle or a structure with relatively large friction force, so that the movable member can be manipulated through the grip portion when the movable member is manipulated.
According to the invention, through the arrangement of the positioning driving part 1, the male die slide block 2 and the driving component, when the metal piece 5 is positioned, the metal can be sleeved between the two male die slide blocks 2, then the driving component is used for driving the positioning driving part 1 to move, so that the male die slide blocks 2 move towards two sides relatively and abut against the edges of through holes near the metal, then the driving component is continuously used for driving the positioning driving part 1 to move so as to drive the male die slide blocks 2 to move, when the driving component reaches a set force, the male die slide blocks 2 are completely attached to the through holes near the metal, the gap between the metal piece 5 and the male die slide blocks 2 is ensured to be close to 0mm wirelessly, the problems of burrs and the like in subsequent processing can be relatively avoided, and meanwhile, the accurate positioning of the metal piece 5 is conveniently completed.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An in-mold injection molding flexible positioning device is used for positioning a metal piece and is characterized by comprising:
the cross section of the positioning driving part is in an isosceles trapezoid shape;
the two male die sliding blocks are respectively arranged on the inclined planes at the two sides of the positioning driving part;
the driving assembly is connected to the positioning driving part to drive the positioning driving part to move;
one end of the first elastic piece is fixed, and the other end of the first elastic piece is connected to the male die sliding block;
the metal piece is sleeved between the two male die slide blocks through a through hole on the metal piece;
when the driving assembly drives the positioning driving part to move, the two male die sliding blocks move towards two sides of the positioning driving part and are tightly attached to the edge of the through hole.
2. The in-mold flexible positioning device of claim 1, further comprising:
the female die sliding blocks are arranged on two sides of the upper end part of the positioning driving part;
one end of the second elastic piece is relatively fixed, and the other end of the second elastic piece is connected to the female die sliding block;
when the metal piece is sleeved between the two male die sliding blocks and the positioning driving part and the male die sliding blocks are attached to the edge of the through hole of the metal piece, the end part of the female die sliding block abuts against the connecting plate of the metal piece, and one side of the female die sliding block is attached to the fixing rod of the metal piece.
3. The in-mold flexible positioning device of claim 2, wherein the first and second elastic members are springs.
4. The in-mold flexible positioning device of claim 1 wherein the drive assembly comprises:
the movable piece is connected with the positioning driving part and is provided with a wedge-shaped slot hole;
the wedge piece is connected to the wedge groove hole of the movable piece in a matching mode;
the pushing piece is arranged on one side of the wedge piece, and the output end of the pushing piece is connected with the wedge piece.
5. The in-mold flexible positioning device of claim 4, wherein the pushing member is a micro cylinder, a micro cylinder or a micro electric push rod.
6. The in-mold injection molding flexible positioning device according to claim 4, wherein one end of the male mold slider, which is close to the movable member, is connected with a first weight, one end of the first elastic member is fixed on the first weight, and a gap is formed between the first weight and the movable member.
7. The in-mold flexible locating device of claim 4, wherein the sidewall of the movable member is provided with a gripping portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110635258.9A CN113306076A (en) | 2021-06-08 | 2021-06-08 | Flexible positioning device for in-mold injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110635258.9A CN113306076A (en) | 2021-06-08 | 2021-06-08 | Flexible positioning device for in-mold injection molding |
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| Publication Number | Publication Date |
|---|---|
| CN113306076A true CN113306076A (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110635258.9A Pending CN113306076A (en) | 2021-06-08 | 2021-06-08 | Flexible positioning device for in-mold injection molding |
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| CN (1) | CN113306076A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872277A (en) * | 2022-03-30 | 2022-08-09 | 郯城县泓邦塑柄有限公司 | Injection mold for outer layer of blank piece and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211843155U (en) * | 2020-01-13 | 2020-11-03 | 宁波方正汽车模具股份有限公司 | Insert positioning device of blow molding die |
-
2021
- 2021-06-08 CN CN202110635258.9A patent/CN113306076A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211843155U (en) * | 2020-01-13 | 2020-11-03 | 宁波方正汽车模具股份有限公司 | Insert positioning device of blow molding die |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872277A (en) * | 2022-03-30 | 2022-08-09 | 郯城县泓邦塑柄有限公司 | Injection mold for outer layer of blank piece and preparation method thereof |
| CN114872277B (en) * | 2022-03-30 | 2023-11-14 | 郯城县泓邦塑柄有限公司 | Injection mold for outer layer of blank and preparation method thereof |
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Application publication date: 20210827 |