KR101757983B1 - Nut insert apparatus - Google Patents
Nut insert apparatus Download PDFInfo
- Publication number
- KR101757983B1 KR101757983B1 KR1020150138379A KR20150138379A KR101757983B1 KR 101757983 B1 KR101757983 B1 KR 101757983B1 KR 1020150138379 A KR1020150138379 A KR 1020150138379A KR 20150138379 A KR20150138379 A KR 20150138379A KR 101757983 B1 KR101757983 B1 KR 101757983B1
- Authority
- KR
- South Korea
- Prior art keywords
- rod
- nut
- pair
- cam
- cylinder
- Prior art date
Links
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
- B29C45/14008—Inserting articles into the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J11/00—Manipulators not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/02—Gripping heads and other end effectors servo-actuated
- B25J15/0253—Gripping heads and other end effectors servo-actuated comprising parallel grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/02—Gripping heads and other end effectors servo-actuated
- B25J15/0253—Gripping heads and other end effectors servo-actuated comprising parallel grippers
- B25J15/028—Gripping heads and other end effectors servo-actuated comprising parallel grippers actuated by cams
-
- 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
- B29C45/14008—Inserting articles into the mould
- B29C2045/14049—Inserting articles into the mould feeding inserts by a swing arm
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to a nut inserting apparatus for a take-out robot for injection molding, and more particularly to a nut inserting apparatus for a take-out robot which is provided on a jig provided on an arm end of a take- To an injection molding robot take-out insert apparatus in which the injection mold is charged into a cavity at a predetermined position inside the cavity of the injection mold.
The rod (120) is moved forward and backward by the selective injection action of the compressed air to attach the nut (N) to the jig provided at the arm end of the take-out robot for injection molding. A cylinder (100) for loading into the cavity of the injection mold; The rod 120 is fastened to the front end of the cylinder 100 by a hinge pivotal structure and one end of the front surface of the rod 120 is in surface contact with the inner surface of the rod 120 when the rod 120 is moved forward and backward, A pair of tongues for fixing and releasing the nut (N) to the rod (120) by performing an action of pushing outwardly from an arbitrary section through an operation of interlocking with the transferring action, (200).
Description
The present invention relates to a nut insert device, more particularly, to a nut insertion device provided on a jig provided at an arm end of a take-out robot to take out a nut from a nut supply device located adjacent to an injection molding machine, To the nut insert device.
In general, injection molding is a process of injecting a resin into a mold to produce various injection molded articles. In the case where an insert object such as a nut, a bolt, or a screw, which is made of a material such as a metal, is inserted into a cavity of an injection mold before molding Injection molding is called insert injection molding in which the resin for injection and the insert object are integrated with each other.
In the injection molding according to the present invention, a nut insert device is used for taking out a nut, preferably from the insert object, and automatically inserting the extracted nut into the cavity of the injection mold.
For example, among the conventional nut insert devices, in the registration practice 20-0407135, a pushing pin hole into which a pushing pin into which a guide fastening pin is inserted, and an insert member hole into which the insert member can be inserted, At least one slit formed at a side end portion of the housing, and a plate spring inserted and fixed to the slit.
In addition, among the conventional insert apparatuses, a registration apparatus for a registraion 20-0435094 includes a tubular body having an installation hole formed therein, an insert member holder tip provided at a front end of the installation hole of the body, A guide pin fastening portion provided at an end of the insert member holder tip, a pushing pin actuating portion provided between the insert member holder tip and the guide fastening portion adjusting portion, and a guide fastening portion extending from the insert member holder tip to the guide fastening portion, And a guide pin extending from the insert member holder tip to the pushing pin actuating part so as to be linearly reciprocable in the longitudinal direction by the pushing pin actuating part. And a pushing pin.
In this background, a variety of injection molding take-out robots have been developed for injection molding. However, the conventional prior art documents described below are exposed to technical problems to be improved.
In the conventional case, in the process of taking out the nut from the nut supply aligning device, since the outer peripheral surface of the nut is rubbed against the inner peripheral surface of the clamp member for fixing the extracted nut, There is a possibility that device breakage such as loss of fixation force to the nut is caused due to minute wear of the nut pressing surface of the member, or minute flour is generated due to the abrasion due to the friction, minute flour is injected in the injection molding process, There were problems causing surface defects of the object.
The present invention provides a structure for fixing and releasing a nut inserted in a rod by a pair of clamps which are opened or closed by a rod in a process of moving the rod forward and backward from the front of the cylinder It is possible to prevent friction from occurring on the surface of the nut in the process of taking out and loading the nut so that the nut fixing portion of the insert is not worn so that the device can be used for a long time, To reduce the surface defects of the substrate.
Further, according to the present invention, since the elastic repulsive force by the two springs is configured to act on the rod, when the rod is retreated, the pair of clamps is held in the opened state while the pair of clamps is stopped in the outward- So that there is no interference of the grippers in the state where the grippers are fitted to the ends of the rods.
According to an aspect of the present invention,
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A cylinder for loading a nut into the cavity of the injection mold after the rod is moved forward and backward by a selective injection action of compressed air, and a nut;
The rod is fixed to the front end of the cylinder with a hinge rotation structure. When the rod is moved forward and backward, one end of the front surface of the rod is in surface contact with the inner surface of the clamp, A pair of jaws for locking and unlocking the nut to the rod by acting to push or pull out of the outwardly pushed section;
The rod is coupled to the rod so as to support the rod in a direction in which the two front and rear springs having different elastic moduli are opposed to each other so that the rod is retracted to the rear spring by the elastic repulsive force by the front spring And a rod elastic member for temporarily stopping the pair of clamps in a section where the pair of clamps are pushed outwardly,
Wherein the pair of clamps further comprises a clamping action by a clamp spring which is elastically supported upwardly from the rear of the clamp when the rod is fully retracted,
Wherein the pair of clamps further comprises an action of being twisted by a clamp ring which is wrapped around the front side of the clamp and is resiliently supported inwardly inward, Further comprising ring forming grooves around which the gripper rings can be seated, respectively,
The cylinder and the pair of clamps;
A driven cam formed to protrude inwardly of the clamp and a cam formed in an inclined manner around the rod, wherein during the cam movement in which the driven cam and the driven cam contact each other in the forward and backward movement of the rod, Further comprising a cam portion that provides a section in which the pair of clamps is pushed outwardly and the pair of clamps is broken when the cam action between the driven cam and the cam is not performed,
The cylinder comprising:
A cylinder body having first and second nipples connected to the front and rear sides of the operation space formed therein and injecting selective air to the front and rear sides of the operation space using the first and second nipples;
And a rod having a nut guide inserted partially into the operating space and having a nut inserted thereinto and moving and moving forward and backward by the selective air injection action by the first and second nipples, And,
The tongue spring has a structure in which an inner surface of the tongue is elastically supported outwardly in a state where a part of the tongue spring is inserted into a front side of the cylinder, And a pivoting action is performed,
The cam portion is integrally formed with an inclined surface on one side of the end portion of the driven cam while projecting a driven cam on the inside of the gripper while a cam of the cam is integrally protruded on the outer periphery of the central portion of the rod, Further,
The rod elastic member further comprises causing the rod to stop at a point where the cam action of the cam portion starts without being completely retreated in the process of the rod of the cylinder being retreated by the action of the compressed air.
According to the present invention, since no friction occurs on the surface of the nut during the take-out and loading operation of the nut, the nut fixing portion of the insert is not worn so that the apparatus can be used for a long time, The surface defect of the injection product can be remarkably reduced.
FIG. 1 is a perspective view of a nut insert device according to a first embodiment of the present invention; FIG.
FIGS. 3 to 5 are operational views of a nut insert according to a first embodiment of the present invention; FIG.
FIG. 6 is a structural view and operating state diagram of a nut insert device according to a second embodiment; FIG.
7 is a structural view of each part of the nut insert device according to the third embodiment.
The nut insert device according to the present invention will be understood by those skilled in the art with reference to the accompanying drawings.
In the following description of the exemplary embodiments of the present invention, a detailed description of components that are widely known and used in the art to which the present invention belongs is omitted, and unnecessary explanations thereof are omitted. It is to communicate the point more clearly.
1 to 7 are views illustrating a nut insert according to each embodiment of the present invention.
The
Hereinafter, as a basic structure of the present invention, the structure of each part of the nut insert device according to the first embodiment will be described in detail with reference to FIG. 1 to FIG. FIG. 1 is a perspective view of a nut insert device according to a first embodiment, and FIG. 2 is a side view of a nut insert device according to the first embodiment.
First, the
The
The
The
At this time, the first and
The
The
The
When the compressed air is injected into the
The pair of
The pair of
At this time, two frames, one of which is formed by bending the front side of the
In addition, a groove corresponding to the outer periphery of the nut N may be formed on the front inner side of the
When the
The
At this time, the pair of
Here, the
The
In this case, when the
Therefore, in the course of the movement of the
3 to 5 are views showing operation states of the nut insert according to the present invention.
3, the
When the compressed air is injected into the
The
4, when the
As described above, in order to retract the
5, compressed air is injected into the
At this time, when the
As another embodiment of the present invention, the construction and operation of the nut insert according to the second embodiment will be described in detail with reference to FIG. 6 is a side view and operational state view of the nut insert device according to the second embodiment.
According to this structure, the
Meanwhile, the
Here, the rod
The rod
At this time, the rod
Meanwhile, the operating state of the
6 (a), the
6 (b), when the nut N is attached as described above, compressed air is injected through the
6 (c), when the nut N is fixed by the pair of
At this time, when the
As another embodiment of the present invention, the construction of each part of the nut insert according to the third embodiment will be described in detail with reference to FIG. 7 is a side view of the nut insert device according to the third embodiment.
The pair of
The
At this time, the pair of
As described above. While the present invention has been particularly shown and described with reference to certain preferred embodiments thereof, it is to be understood that the terminology used herein is for the purpose of describing the present invention only and is not intended to limit the scope of the claims. But is not intended to,
It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It will be easy for anyone to know.
1, an
110, a
200; a pair of
220 < / RTI >
310 < / RTI >
400, a rod elastic member N, a nut
Claims (6)
The rod 120 is fastened to the front end of the cylinder 100 by a hinge pivotal structure and one end of the front surface of the rod 120 is in surface contact with the inner surface of the rod 120 when the rod 120 is moved forward and backward, A pair of tongues for fixing and releasing the nut (N) to the rod (120) by performing an action of pushing outwardly from an arbitrary section through an operation of interlocking with the transferring action, (200);
Two front and rear springs 410 and 420 having different elastic moduli are coupled to the rod 120 so as to support the rod 120 in the direction opposite to each other, The rod 120 is retracted to the rear spring 420 by the resilient repulsive force of the spring 200. At the same time, the pair of tongues 200 is firstly stopped in the initial section where the pair of tongues 200 is pushed outwardly, And a rod elastic member (400) for holding the rod elastic member
The pair of clamps 200 further includes a clamping operation by a clamp spring 210 elastically supported upward from the rear of the clamp 200 when the rod 120 is fully retracted,
The pair of jaws 200 may further include an operation of twisting around the front side of the pair of jaws 200 by a jaw ring 220 elastically supported inwardly, Further comprising a ring fixing groove (221) formed on a front side of the pair of grippers (200) on which the grip ring (220) is seated,
The cylinder (100) and the pair of clamps (200)
A driven cam 320 protruding from the inside of the tongue 200 and a driving cam 310 inclined around the rod 120. In the course of moving the rod 120 forward and backward, The pair of jaws 200 is pushed outwardly during a cam action in which the cam 320 and the movable cam 310 are in contact with each other, Further comprising a cam part (300) for providing an interval during which the pair of grippers (200)
The cylinder (100) comprises:
The first and second nipples 111 and 112 are connected to the front and rear sides of the working space formed inside, A body 110;
A nut guide 121 in which a part of the nut is inserted into the operating space and in which a nut N is inserted is provided and the cylinder body 110 is opened by selective air injection action by the first and second nipples 111 and 112. [ Further comprising a rod (120) that moves forward and backward,
The tongue spring 210 has a structure in which an inner surface of the tongue 200 is elastically supported outwardly while a part of the tongue spring 210 is inserted into a front side of the cylinder 100, Further comprising a pivoting action that causes the tongue (200) to collapse or flare to the rod (120) side with the hinge pointed by the elastic support action,
The cam portion 300 is formed integrally with an inner surface of the grip 200 so as to have an inclined surface on one side of the end portion of the follower cam 320 while projecting the follower cam 320, Further comprising a prismatic cam (310) integrally protruding from the outer periphery and having an inclined surface forwardly,
The rod elastic member 400 is configured such that the rod 120 is not completely retreated in the process of the rod 120 of the cylinder 100 retracting due to the action of the compressed air, The nut insert device further comprising stopping.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020150138379A KR101757983B1 (en) | 2015-10-01 | 2015-10-01 | Nut insert apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150138379A KR101757983B1 (en) | 2015-10-01 | 2015-10-01 | Nut insert apparatus |
Publications (2)
Publication Number | Publication Date |
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KR20170039358A KR20170039358A (en) | 2017-04-11 |
KR101757983B1 true KR101757983B1 (en) | 2017-07-13 |
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KR1020150138379A KR101757983B1 (en) | 2015-10-01 | 2015-10-01 | Nut insert apparatus |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109262649A (en) * | 2017-10-18 | 2019-01-25 | 中日龙(襄阳)机电技术开发有限公司 | A kind of automatic cleft hand without gas supply |
WO2019090675A1 (en) * | 2017-11-10 | 2019-05-16 | 贺碧先 | Pneumatic gripper device |
CN109129247B (en) * | 2018-09-30 | 2024-01-16 | 中船海为高科技有限公司 | Special fixture based on thin-wall pipe fitting |
KR102225004B1 (en) * | 2019-08-13 | 2021-03-09 | 노치현 | Metal nut insert in plastic molding for automobile engine parts |
CN115431466B (en) * | 2022-09-29 | 2023-05-23 | 广东格林精密部件股份有限公司 | Automatic implantation device for injection molding in special-shaped blind hole screw female die |
KR102536288B1 (en) * | 2022-11-18 | 2023-05-30 | 주식회사 유일로보틱스 | Nut insert device for electrode case of electric vehicle battery |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR200435094Y1 (en) * | 2006-09-04 | 2007-01-09 | (주)신영프레시젼 | Integrated insert member holder |
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DE10030234C2 (en) | 2000-06-20 | 2003-03-27 | Infineon Technologies Ag | Integrated memory with memory cells with magnetoresistive memory effect |
KR100452730B1 (en) | 2002-07-16 | 2004-10-14 | 현대모비스 주식회사 | Device for warning overspeed of a car |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200435094Y1 (en) * | 2006-09-04 | 2007-01-09 | (주)신영프레시젼 | Integrated insert member holder |
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