CN215703760U

CN215703760U - Electrician's instrument handle demoulding structure of moulding plastics

Info

Publication number: CN215703760U
Application number: CN202121740871.9U
Authority: CN
Inventors: 郁浩枫; 郁石
Original assignee: Taicang Tongyu Plastic Electronic Technology Co ltd
Current assignee: Nantong Lifeng Artificial Intelligence Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-02-01
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses an electrician tool injection handle demoulding structure, which comprises a lower mould, wherein an upper mould is arranged at the upper end of the lower mould, a locking mechanism is arranged at the lower end of the lower mould, a servo motor is arranged at the upper end of the locking mechanism, a transmission rod is sleeved on the outer wall of a driving square rod, a thimble rod is sleeved on the outer wall of the transmission rod, an ejector plate is fixedly connected to the upper end of the thimble rod, and a push ring is fixedly connected to the outer wall of the lower end of an inner sleeve, so that the demoulding structure is convenient to replace.

Description

Electrician's instrument handle demoulding structure of moulding plastics

Technical Field

The utility model belongs to the technical field of electrical tools, and particularly relates to a demoulding structure of an injection molding handle of an electrical tool.

Background

The common tools include electricians ' pliers, wire strippers, electric irons, electrician's knives, various electric meters, etc. since plastics have excellent insulation and low price, the handle of the electrician's tool is generally made of plastics, the manufacturing process is usually injection molding, and the handle needs to be separated from the mold by using a demolding structure after the injection molding is completed.

It should be noted that the existing injection molding handle demoulding structure of the electrical tool has the following problems, because of the size of part of the handle, the problem that the stroke of the demoulding structure is insufficient when the handle is demoulded is caused, so that the demoulding mechanism is required to be convenient for secondary ejection, the existing injection molding handle demoulding structure of the electrical tool is not easy to perform secondary ejection, the demoulding of the injection molding handle is influenced, meanwhile, the damage of the demoulding structure can influence the normal use of the mould, so that the demoulding mechanism is required to be convenient to disassemble and replace, the existing injection molding handle demoulding structure of the electrical tool is not easy to disassemble and replace, the damage of the demoulding mechanism can influence the normal use of the mould easily, and the contents belong to the technical cognition category of an inventor and do not necessarily form the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a demoulding structure of an injection molding handle of an electrical tool.

In order to achieve the purpose, the utility model provides an injection molding handle demolding structure of an electrician tool, which comprises a lower mold, wherein an upper mold is installed at the upper end of the lower mold, a locking mechanism is installed at the lower end of the lower mold, a servo motor is arranged at the upper end of the locking mechanism, an outer sleeve is fixedly connected to the edge of the upper end face of the servo motor, a driving square rod is fixedly connected to the end portion of an output shaft of the servo motor, a transmission rod is sleeved on the outer wall of the driving square rod, an ejector pin rod is sleeved on the outer wall of the transmission rod, an ejector disc is fixedly connected to the upper end of the ejector pin rod, an inner sleeve is movably connected to the outer wall of the ejector pin rod, a limiting piece is fixedly installed on the inner wall of the inner sleeve, and a pushing ring is fixedly connected to the outer wall of the lower end of the inner sleeve.

In one example: the locking mechanism comprises a base, a locking rod and a positioning spring, the base is slidably mounted at the lower end of the lower die, the locking rod is embedded into the base, the positioning spring is fixedly connected to the end of the locking rod, and the top plate can be conveniently stably positioned in the lower die to be used or replaced.

In one example: the locking rods are symmetrically distributed with 2 locking rods in the base, and 2 locking rods are connected through positioning springs and are connected with the lower die in a clamping mode, so that the locking rods can be conveniently moved to be separated from the lower die, the base and the lower die can be moved to be separated, the demolding structure can be replaced, the positioning springs can be conveniently pushed to stably insert the locking rods into the lower die, and the demolding structure can be stably used.

In one example: the ejector plate is characterized in that the driving square rod is connected with the transmission rod in a sliding mode, the transmission rod is connected with the ejector rod in a threaded mode, the ejector plate and the lower die on the ejector rod are arranged in a sliding mode, the driving square rod is convenient to drive the transmission rod to rotate, the ejector rod moves along the transmission rod to push the ejector plate to be ejected out of the lower die, the handle is convenient to demould, and the transmission rod is convenient to move along the driving square rod.

In one example: interior sleeve pipe and outer tube are sliding connection, and the push ring and the outer tube threaded connection of interior sleeve pipe lower extreme, and the lower extreme and the thimble rod laminating back of the spacing piece of being convenient for, the thimble rod is not at vertical removal and rotatory along with the transfer line for interior sleeve pipe is rotatory, and it is rotatory to drive the push ring, makes interior sleeve pipe remove along the outer tube, further promotes the overhead tray, makes the overhead tray secondary ejecting, promotes the drawing of patterns stroke.

In one example: the limiting pieces are symmetrically distributed about the longitudinal central axis of the inner sleeve, the limiting pieces and the inner sleeve form a sliding structure with the ejector pin rod respectively, the transmission rod is convenient to rotate, the ejector pin rod moves relative to the limiting pieces and the inner sleeve, and when the lower ends of the ejector pin rod and the limiting pieces are attached, the ejector pin rod does not move any more and drives the inner sleeve to rotate simultaneously.

The injection molding handle demolding structure for the electrical tool has the following beneficial effects that: through the rotation of drive square bar, make the transfer line rotatory drive thimble bar promotion top dish move along interior sleeve pipe, promote the top dish, after spacing piece and thimble bar laminating, the thimble bar drives interior sleeve pipe and the push ring above that is rotatory along the outer tube, let interior sleeve pipe remove and continue to promote the top dish, make the top dish secondary ejecting, increase demoulding structure's stroke, make things convenient for the handle drawing of patterns, remove simultaneously through the locking lever and break away from with the bed die, conveniently remove the base and drive the top dish and the bed die breaks away from, make demoulding structure conveniently change, avoid the impaired normal use who influences the mould of demoulding structure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection structure of the driving square bar and the transmission bar of the present invention;

fig. 4 is a schematic view of the connection structure of the base and the locking lever according to the present invention.

In the figure: 1. a lower die; 2. an upper die; 3. a locking mechanism; 301. a base; 302. a locking lever; 303. a positioning spring; 4. a servo motor; 5. an outer sleeve; 6. driving the square bar; 7. a transmission rod; 8. a thimble rod; 9. a top tray; 10. an inner sleeve; 11. a limiting sheet; 12. the ring is pushed.

Detailed Description

In order to more clearly explain the overall concept of the utility model, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description of the present specification, reference to the description of the terms "one aspect," "some aspects," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 4, an embodiment of the present invention provides an injection molding handle demolding structure for an electrical tool, including a lower mold 1, an upper mold 2 is installed at an upper end of the lower mold 1, a locking mechanism 3 is installed at a lower end of the lower mold 1, a servo motor 4 is installed at an upper end of the locking mechanism 3, an outer sleeve 5 is fixedly connected to an edge of an upper end face of the servo motor 4, a driving square rod 6 is fixedly connected to an end portion of an output shaft of the servo motor 4, a transmission rod 7 is sleeved on an outer wall of the driving square rod 6, an ejector rod 8 is sleeved on an outer wall of the transmission rod 7, an ejector disk 9 is fixedly connected to an upper end of the ejector rod 8, an inner sleeve 10 is movably connected to an outer wall of the ejector rod 8, a limiting piece 11 is fixedly installed on an inner wall of the inner sleeve 10, and a pushing ring 12 is fixedly connected to an outer wall of a lower end of the inner sleeve 10.

Specifically, the locking mechanism 3 includes a base 301, a locking rod 302 and a positioning spring 303, wherein the base 301 is slidably mounted at the lower end of the lower die 1, the locking rod 302 is embedded in the base 301, and the positioning spring 303 is fixedly connected to the end of the locking rod 302, so that the top plate 9 is stably positioned in the lower die 1 for use, or the top plate 9 is conveniently replaced.

Specifically, locking lever 302 has 2 in base 301 symmetric distribution, and is connected through positioning spring 303 between 2 locking levers 302 to locking

lever

302 and 1 block connection of bed die are convenient for remove

locking lever

302 and 1 break away from of bed die, remove

base

301 and 1 break away from of bed die again, change demoulding structure to and make things convenient for positioning spring 303 to promote locking lever 302 and stably insert in 1 bed die, let demoulding structure stable use.

Specifically, drive square bar 6 and transfer line 7 sliding connection, and transfer line 7 and thimble 8 threaded connection to the overhead pan 9 and the bed die 1 on the thimble 8 set up that slide, and the drive square bar 6 of being convenient for drives transfer line 7 rotation, makes the thimble 8 remove along transfer line 7 and promotes overhead pan 9 ejecting from the bed die 1, makes the handle drawing of patterns, and makes things convenient for transfer line 7 to remove along drive square bar 6.

Specifically, interior sleeve pipe 10 and outer tube 5 are sliding connection, and the propelling ring 12 and the outer tube 5 threaded connection of interior sleeve pipe 10 lower extreme, the lower extreme and the thimble rod 8 laminating back of the spacing piece 11 of being convenient for, thimble rod 8 is not at vertical removal and rotatory along with transfer line 7 for interior sleeve pipe 10 is rotatory, drives propelling ring 12 and rotates, makes interior sleeve pipe 10 remove along outer tube 5, further promotes the overhead tray 9, makes the overhead tray 9 secondary ejecting, promotes the drawing of patterns stroke.

Specifically, the limiting pieces 11 are symmetrically distributed about the longitudinal central axis of the inner sleeve 10, the limiting pieces 11 and the inner sleeve 10 respectively form a sliding structure with the ejector pin rod 8, so that the transmission rod 7 can rotate conveniently, the ejector pin rod 8 moves relative to the limiting pieces 11 and the inner sleeve 10, and when the lower ends of the ejector pin rod 8 and the limiting pieces 11 are attached, the ejector pin rod 8 does not move any more and drives the inner sleeve 10 to rotate simultaneously.

The working principle is as follows: during demoulding, the servo motor 4 is started to drive the driving square rod 6 to rotate, so that the transmission rod 7 rotates, the ejector pin rod 8 vertically moves to push the top disc 9 to be ejected out of the lower die 1, when the ejector pin rod 8 is attached to the lower end of the limiting piece 11, the ejector pin rod 8 does not continuously move, but drives the inner sleeve 10 to rotate along with the transmission rod 7, so that the pushing ring 12 in threaded connection with the outer sleeve 5 rotates, the transmission rod 7 is in sliding connection with the driving square rod 6, the inner sleeve 10 is driven to vertically move along the outer sleeve 5, the top disc 9 is continuously pushed, the top disc 9 is ejected for the second time, the stroke of a demoulding structure is strengthened, and the demoulding of the handle is avoided being influenced;

when the demoulding structure is replaced, the movable locking rod 302 retracts into the base 301 to be separated from the lower die 1, then the movable base 301 is separated from the lower die 1, a new demoulding structure is replaced, the locking rod 302 is pressed to retract into the base 301 and compress the positioning spring 303, then the new base 301 is inserted into the lower die 1, the locking rod 302 is loosened, the positioning spring 303 resets to push the locking rod 302 to be stably inserted into the lower die 1, and therefore stable use of the demoulding structure is facilitated, and normal use of the die due to damage of the demoulding structure is avoided.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an electrician's instrument handle demoulding structure of moulding plastics, a serial communication port, including the bed die, the mould is installed to the upper end of bed die, and the lower extreme of bed die installs locking mechanical system to locking mechanical system's upper end is provided with servo motor, and servo motor's up end edge fixedly connected with outer tube, servo motor's output shaft tip fixedly connected with drive square bar simultaneously, the outer wall cover of drive square bar is equipped with the transfer line, and the outer wall cover of transfer line is equipped with the thimble bar to the upper end fixedly connected with top disk of thimble bar, and the outer wall swing joint of thimble bar has interior sleeve pipe simultaneously, and interior sheathed tube inner wall fixed mounting has spacing piece, interior sheathed tube lower extreme outer wall fixedly connected with pushes away the ring.

2. The electrical tool injection molded handle de-molding structure of claim 1, wherein: the locking mechanism comprises a base, a locking rod and a positioning spring, the base is slidably mounted at the lower end of the lower die, the locking rod is embedded into the base, and the end part of the locking rod is fixedly connected with the positioning spring.

3. The electrical tool injection molded handle release structure of claim 2, wherein: the locking rods are symmetrically distributed in the base in 2 numbers, the 2 locking rods are connected through positioning springs, and the locking rods are connected with the lower die in a clamping mode.

4. The electrical tool injection molded handle de-molding structure of claim 1, wherein: the driving square rod is connected with the transmission rod in a sliding mode, the transmission rod is connected with the ejector rob rod in a threaded mode, and the ejector disk on the ejector rob rod is arranged with the lower die in a sliding mode.

5. The electrical tool injection molded handle de-molding structure of claim 1, wherein: the inner sleeve and the outer sleeve are in sliding connection, and the pushing ring at the lower end of the inner sleeve is in threaded connection with the outer sleeve.

6. The electrical tool injection molded handle de-molding structure of claim 1, wherein: the limiting pieces are symmetrically distributed about the longitudinal central axis of the inner sleeve, and the limiting pieces and the inner sleeve form a sliding structure with the thimble rod respectively.