CN208247259U - A kind of ejector sleeve - Google Patents
A kind of ejector sleeve Download PDFInfo
- Publication number
- CN208247259U CN208247259U CN201721879472.4U CN201721879472U CN208247259U CN 208247259 U CN208247259 U CN 208247259U CN 201721879472 U CN201721879472 U CN 201721879472U CN 208247259 U CN208247259 U CN 208247259U
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- CN
- China
- Prior art keywords
- cylinder
- ejector sleeve
- tail portion
- pressing plate
- base
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Abstract
The utility model discloses a kind of ejector sleeves, including cylinder needle, first cylinder, second cylinder, cylinder base, connecting column, annular pressing plate, spring, fixing seat, cylinder set and composite lubricating film, coaxial sleeve is equipped with the first cylinder and the second cylinder on the outside of the cylinder needle, first cylinder side is coaxially fixedly welded with the second cylinder, first cylinder internal diameter is less than the second cylinder, first cylinder and the second cylinder outer, coaxial are arranged with cylinder set, cylinder set outside fixation is coated with composite lubricating film, cylinder set tail portion is provided with cylinder base, the cylinder base tail portion is fixedly connected with spring side, the affiliated spring other side is fixedly connected on annular pressing plate, the annular pressing plate is fixedly welded by connecting column and cylinder base tail portion, the annular pressing plate tail portion is fixedly welded with fixing seat.The utility model can efficiently solve ejector sleeve thimble bias, stuck phenomenon in use process, and greatly improve the working dynamics of ejector sleeve.
Description
Technical field
The utility model relates to mold ejector sleeve field, specially a kind of ejector sleeve.
Background technique
Ejector sleeve and thimble, which match, is called ejector sleeve needle assemblies, is one of plastic mould accessory.Ejector sleeve also cry push pipe,
Hollow thimble.It is to have circular through-hole or blind hole on product that ejector sleeve, which is divided into the ejector sleeves such as straight ejector sleeve, stepped ejector sleeve, and glue
Position must be provided with a kind of metal fittings of liftout attachment used by ejection again, and it forms ejector sleeve by ejector sleeve and ejector pin and is mounted in
On ejector retainner plate, ejector pin wraps the glue position ejector sleeve set on ejector pin by ejector sleeve ejection after die sinking on bottom plate, and hole or axis are made
For wearing or processing error, by original position stretching motion, then inlays and a set of be allowed to restore full size.The set is referred to as to take charge of set.Department
The fixture of cylinder.Some parts are put into the set and facilitate positioning and clamping, this metallic sheath is known as ejector sleeve.But department used at present
Cylinder, especially stepped ejector sleeve is internal because being equipped with step, thimble when mobile relative to ejector sleeve, if thimble not and
Ejector sleeve keeps the precision of enough concentricitys or thimble and ejector sleeve slightly to have deviation, will result in thimble axis deviation ejector sleeve
Axle center, to make ejector sleeve and thimble in relative movement, meeting outlet drilling is eccentric, rub the problems such as becoming larger, also, in the market
There is also the insufficient defects of elastic force for ejector sleeve.
Utility model content
The purpose of this utility model is to provide a kind of ejector sleeves, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of ejector sleeve, including cylinder needle, the first cylinder,
Second cylinder, cylinder base, connecting column, annular pressing plate, spring, fixing seat, cylinder set and composite lubricating film, the cylinder needle outside are coaxially arranged
There are first cylinder and second cylinder, first cylinder side is coaxially fixedly welded with the second cylinder, and described first
Cylinder internal diameter is arranged with the cylinder set less than the second cylinder, first cylinder and the second cylinder outer, coaxial, and the cylinder set is outer
Side is fixed to be coated with composite lubricating film, and cylinder set tail portion is provided with cylinder base, and the cylinder base tail portion is fixedly connected with spring side, institute
It states the spring other side to be fixedly connected on annular pressing plate, the annular pressing plate is fixedly welded by connecting column and cylinder base tail portion, institute
It states annular pressing plate tail portion and is fixedly welded with fixing seat.
Preferably, first cylinder and the second cylinder are equipped with guide groove, first cylinder and the second cylinder outer barrel
It covers same position and is equipped with guide groove.
Preferably, first cylinder and the second cylinder are equipped with heat release hole, outside first cylinder and the second cylinder
Cylinder set same position is equipped with heat release hole.
Preferably, first cylinder and the second cylinder inboard wall are equipped with several annular lubrication grooves, and the annular lubricant is recessed
Fixation holds solid lubrication liquid in slot.
Preferably, the cylinder base outer wall is all around provided with location hole in four orientation.
Compared with prior art, the utility model has the beneficial effects that
1, by the first cylinder internal diameter less than the second cylinder, the first cylinder, the second cylinder and cylinder put on and set the utility model
There are a heat release hole and guide groove, when use can reduce friction, prevent a needle stuck；The utility model passes through the first cylinder and second
Internal wall is equipped with several annular lubrication grooves, and cylinder set outside is fixed to be coated with composite lubricating film, and when use can play lubricating action,
Prevent thimble stuck.
2, the utility model passes through connecting spring between cylinder base and fixing seat, and spring can increase mold dynamics when use,
The utility model structure is simple, can efficiently solve ejector sleeve thimble bias, stuck phenomenon in use process, and greatly improve
The working dynamics of ejector sleeve.
Detailed description of the invention
Fig. 1 is a kind of ejector sleeve overall structure diagram of the utility model；
Fig. 2 is a kind of ejector sleeve shell mechanism schematic diagram of the utility model；
Fig. 3 is a kind of ejector sleeve top view of the utility model.
In figure: 1- needles；The first cylinder of 2-；The second cylinder of 3-；4- cylinder base；5- sets；6- spring；7- annular pressing plate；8-
Fixing seat；9- composite lubricating film；10- guide groove；11- heat release hole；12- annular lubrication groove；13- location hole；14- connecting column, 15- are solid
State lubricating fluid.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of ejector sleeve, including cylinder needle 1, the first cylinder 2,
Second cylinder 3, cylinder base 4, connecting column 14, annular pressing plate 7, spring 6, fixing seat 8, cylinder set 5 and composite lubricating film 9, outside the cylinder needle 1
Side coaxial sleeve is equipped with the first cylinder 2 and the second cylinder 3, and 1 side of the first cylinder is coaxially fixedly welded with the second cylinder 2, institute
1 internal diameter of the first cylinder is stated less than the second cylinder 2, can be effectively prevented 1 stuck phenomenon of a needle, first cylinder 1 and second
2 outer, coaxial of body is arranged with cylinder set 6, and the 6 outside fixation of cylinder set is coated with composite lubricating film 9, and playing lubrication prevents stuck work
With the cylinder covers 6 tail portions and is provided with cylinder base 4, and 4 tail portion of cylinder base is fixedly connected with 6 side of spring, 6 other side of spring
It is fixedly connected on annular pressing plate 7, the annular pressing plate 7 is fixedly welded by connecting column 14 with cylinder base 4, the annular pressing plate 7
Tail portion is fixedly welded with fixing seat 8, and device dynamics can be enhanced in 6 device of spring.
First cylinder 1 and the second cylinder 2 are equipped with guide groove 1, first cylinder 1 and 2 outer barrel of the second cylinder set 5
Same position is equipped with guide groove 10, can observe and prevent a needle 1 stuck；First cylinder 1 and the second cylinder 2, which are equipped with, to be dissipated
Hot hole 11, first cylinder 1 and 2 outer barrel of the second cylinder cover 5 same positions and are equipped with heat release hole 11, when device for dispensing uses
The amount of heat of generation；First cylinder 1 and 2 inner wall of the second cylinder are equipped with several annular lubrication grooves 12, the annular profit
The fixed solid lubrication liquid 15 held, can play lubricating action in sliding groove 12；4 outer wall of cylinder base all around four sides
It is provided with location hole 13 on position, device is facilitated to be accurately positioned.
Working principle: the utility model is positioned by the location hole 13 of cylinder base 4, and fixing seat 8 is fixed on mold,
7 device of spring can increase the dynamics of device, the different cylinder of internal diameter effectively prevent it is stuck, also, in annular lubrication groove 12
Solid lubrication liquid 15 be secreted, play lubricating action, the amount of heat that 11 device for dispensing of heat release hole generates, finally according to general
The workflow of logical ejector sleeve works.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of ejector sleeve, including cylinder needle (1), the first cylinder (2), the second cylinder (3), cylinder base (4), connecting column (14), annular pressure
Plate (7), spring (6), fixing seat (8), cylinder set (5) and composite lubricating film (9), it is characterised in that: coaxial sleeve on the outside of the cylinder needle (1)
Equipped with first cylinder (2) and second cylinder (3), the first cylinder (2) side is coaxial fixed with the second cylinder (3)
Welding, the first cylinder (2) internal diameter is less than the second cylinder (3), first cylinder (2) and the second cylinder (3) outer, coaxial
It is arranged with the cylinder set (5), fixation is coated with composite lubricating film (9) on the outside of the cylinder set (5), and cylinder set (5) tail portion is provided with
Cylinder base (4), cylinder base (4) tail portion are fixedly connected with spring (6) side, and spring (6) other side is fixedly connected on annular
On pressing plate (7), the annular pressing plate (7) is fixedly welded by connecting column (14) and cylinder base (4) tail portion, the annular pressing plate (7)
Tail portion is fixedly welded with fixing seat (8).
2. a kind of ejector sleeve according to claim 1, it is characterised in that: set on first cylinder (2) and the second cylinder (3)
Have guide groove (10), first cylinder (2) and the second cylinder (3) outer barrel set (5) same position are equipped with guide groove (10).
3. a kind of ejector sleeve according to claim 1, it is characterised in that: set on first cylinder (2) and the second cylinder (3)
Have heat release hole (11), first cylinder (2) and the second cylinder (3) outer barrel set (5) same position are equipped with heat release hole (11).
4. a kind of ejector sleeve according to claim 1, it is characterised in that: first cylinder (2) and the second cylinder (3) inner wall
Equipped with several annular lubrication grooves (12), fixation holds solid lubrication liquid (15) in the annular lubrication groove (12).
5. a kind of ejector sleeve according to claim 1, it is characterised in that: cylinder base (4) outer wall all around four orientation
On be provided with location hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879472.4U CN208247259U (en) | 2017-12-28 | 2017-12-28 | A kind of ejector sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879472.4U CN208247259U (en) | 2017-12-28 | 2017-12-28 | A kind of ejector sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208247259U true CN208247259U (en) | 2018-12-18 |
Family
ID=64619211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721879472.4U Active CN208247259U (en) | 2017-12-28 | 2017-12-28 | A kind of ejector sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208247259U (en) |
-
2017
- 2017-12-28 CN CN201721879472.4U patent/CN208247259U/en active Active
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