CN210415394U - Ejection device - Google Patents
Ejection device Download PDFInfo
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- CN210415394U CN210415394U CN201921170536.2U CN201921170536U CN210415394U CN 210415394 U CN210415394 U CN 210415394U CN 201921170536 U CN201921170536 U CN 201921170536U CN 210415394 U CN210415394 U CN 210415394U
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- flat needle
- mounting groove
- fixing
- ejection device
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- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 238000005485 electric heating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000012778 molding material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The utility model discloses an ejecting device can be used for mould benevolence in order to incite somebody to action product on the mould benevolence is ejecting, ejecting device includes: one end of the flat needle rod is formed into a column shape which can extend into the mold core, and one end of the flat needle rod is provided with a mounting groove and a fixing part; one end of the flat thimble is detachably arranged in the mounting groove, and the other end of the flat thimble is formed into an ejection part which can extend into the mold core and eject the product; the fixing part is matched with the fixing part to fix and loosen the flat thimble. The ejection device can save the production and manufacturing cost of the die.
Description
Technical Field
The utility model belongs to the mould field, concretely relates to ejecting device.
Background
The mold is one of important manufacturing equipment in the manufacturing process of the automobile lamp. Whether the product produced by the die is qualified or not is one of factors which greatly affect the product, and the die affects more than 50% in the problems of product quality and qualification rate. Whether the mold structure design is successful or not directly influences the product quality, the labor cost and the like in the later-stage product production process.
Injection molds are known to consist of seven systems: (1) support (fixing) system: the parts (such as a fixed plate, a movable/fixed template, a supporting head, a supporting plate, a connecting screw and the like) are arranged to meet the structural requirements of the die. (2) Guidance (repositioning) system: the ejector plate is provided with a guide component, and the ejector plate is provided with a guide component. (3) A molding system: parts that impart shape, configuration, and dimensions to the molding material are typically made up of a core (punch), a cavity of a die, and a threaded core, insert, and the like. (4) A pouring system: it is a channel that guides the molten plastic from the injection machine nozzle to the closed mold cavity, usually consisting of a main runner, a sub-runner, a sprue and a cold well. (5) A temperature control system: in order to meet the requirements of the injection molding process on the mold, a mold temperature adjusting system (such as cooling water, hot oil, an electric heating system and the like) is required to adjust the temperature of the mold. (6) An ejection system: the device for realizing the demoulding of the plastic part and the pouring system has a plurality of structural forms, the most common demoulding mechanism comprises an ejector rod, an ejector pipe, an ejector plate, a pneumatic ejection mechanism and the like, and generally comprises an ejector rod, a reset rod, a slingshot, an ejector rod fixing plate, an ejector plate (ejector ring), an ejector plate guide column, a guide sleeve and the like. An exhaust system: in order to smoothly discharge the gas in the mold cavity, an exhaust groove is usually formed at the parting surface of the mold.
The ejector blocks of the ejection systems currently in use have the following drawbacks: 1. processing: the existing commonly used ejector rod, namely a dome rod, a flat ejector rod and a square ejector rod, is made into an integral structure. The defect that the ejector rod is difficult to process when the length of the ejector rod is more than 500mm, the rigidity of the ejector rod is directly influenced due to the slender ejector rod in the processing process, and the ejector rod is easy to deform in the processing process. 2. Use of: the ejector rod is frequently ejected in the using process, galling and deformation often occur, a new ejector rod needs to be replaced, and the whole ejector rod needs to be replaced, so that the waste of working hours and cost is caused. 3. The integral ejector rod is expensive.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model provides an ejecting device, this ejecting device convenient to use is convenient for change and the maintenance.
According to the utility model discloses ejecting device can be used for mould benevolence in order to incite somebody to action product on the mould benevolence is ejecting, ejecting device includes: one end of the flat needle rod is formed into a column shape which can extend into the mold core, and one end of the flat needle rod is provided with a mounting groove and a fixing part; one end of the flat thimble is detachably arranged in the mounting groove, and the other end of the flat thimble is formed into an ejection part which can extend into the mold core and eject the product; the fixing part is matched with the fixing part to fix and loosen the flat thimble.
According to the utility model discloses ejecting device is through improving current integral ejector pin for split type structure, adopts flat thimble and flat needle pole to cooperate, can eliminate in the production process because long-time ejecting, the ejector pin appears wearing and tearing and need the shortcoming of whole change. The ejection device is simple to manufacture and convenient to install, and can greatly save the production and manufacturing cost of the die.
According to the utility model discloses an embodiment, the one end of flat needle bar is formed to cylindricly, the mounting groove forms to follow the elongated groove of the axial extension of flat needle bar, the both sides of mounting groove extend to respectively the outer wall of flat needle bar opens.
According to the utility model discloses an embodiment, the fixed part form with the fixed orifices of mounting groove intercommunication, the mounting passes the fixed orifices will flat thimble is installed on the flat needle bar.
According to the utility model discloses an embodiment, the opening of mounting groove is formed to sharp the line and passes through the central point of flat needle bar puts, the width less than or equal to of flat thimble the width of mounting groove.
According to the utility model discloses an embodiment, the axis of fixed orifices is perpendicular to the mounting groove.
According to the utility model discloses an embodiment, flat thimble be equipped with the locating hole that the fixed orifices corresponds, the mounting passes the fixed orifices with the locating hole will flat thimble is installed on the flat needle bar.
According to the utility model discloses an embodiment, the fixed orifices is followed the thickness direction of the one end of flat needle bar link up, the mounting forms into dowel.
According to the utility model discloses an embodiment, the locating hole with the fixed orifices is two respectively, two the fixed orifices is followed the length direction interval distribution of flat needle bar.
According to the utility model discloses an embodiment, ejecting device still include: the ejector pin plate is formed into a plate shape, the ejector pin plate is arranged at the other end of the flat needle rod to stop abutting against the flat needle rod, a through groove which is communicated along the thickness direction of the ejector pin plate is arranged at the edge of the ejector pin plate, a first limiting part is arranged on the inner wall of the through groove, and a second limiting part which is inserted into the through groove and matched with the first limiting part is arranged at the lower end of the flat needle rod.
According to the utility model discloses an embodiment, first spacing portion forms to follow the recess that the inner wall extends, the spacing portion of second forms to spacing boss, at least some outer peripheral face of spacing boss forms to the plane.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an ejection device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
fig. 3 is a schematic view illustrating the cooperation between the ejection device and the mold core according to an embodiment of the present invention.
Reference numerals:
an ejector device 100;
a flat needle bar 10; a mounting groove 11; a fixed part 12; a second stopper 13;
a flat thimble 20; a positioning hole 21;
a fixing member 30;
an ejector plate 40; a through groove 41; a first stopper 42;
and a mold core 200.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, 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 otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following describes the ejection device 100 according to an embodiment of the present invention with reference to the drawings.
As shown in fig. 1 to 3, the ejection device 100 according to the embodiment of the present invention can be used for the mold core 200 to eject the product on the mold core 200, and the ejection device 100 includes: the flat needle rod comprises a flat needle rod 10, a flat thimble 20 and a fixing piece 30, wherein one end of the flat needle rod 10 is formed into a column shape capable of extending into a mold core 200, one end of the flat needle rod 10 is provided with a mounting groove 11 and a fixing part 12, one end of the flat thimble 20 is detachably mounted in the mounting groove 11, the other end of the flat thimble 20 is formed into an ejection part capable of extending into the mold core 200 and ejecting a product, and the fixing piece 30 is matched with the fixing part 12 to fix and loosen the flat thimble 20.
In other words, according to the utility model discloses ejector device 100 mainly comprises flat needle pole 10, flat thimble 20 and mounting 30, and the one end of flat needle pole 10 is equipped with mounting groove 11, and the one end of flat needle pole 20 is installed in mounting groove 11, and the one end of flat needle pole 10 still is equipped with fixed part 12, cooperatees through fixed part 12 and mounting 30, can realize quick installation and dismantlement between flat thimble 20 and the flat needle pole 10. The mold insert 200 may be a movable mold insert, and when in use, the other end of the flat needle rod 10 may move up and down to realize an ejection function, so that a product may be ejected from the movable mold insert.
From this, according to the utility model discloses ejection device 100 adopts the device that flat needle bar 10, flat thimble 20 and mounting 30 combined together, improves the flat thimble structure of original integral type into split type structure, mutually supports through flat needle bar 10 and flat thimble 20, and wherein flat needle bar 10 can regard as the guide part, and flat thimble 20 can regard as the shaping part, not only can realize its ejecting to the product, can also appear in the ejector pin shaping part under the condition that unusual unable use, and quick replacement practices thrift production manufacturing cycle and cost.
According to the utility model discloses an embodiment, the one end of flat needle bar 10 is formed to cylindricly, and mounting groove 11 forms to the microscler groove of axial extension along flat needle bar 10, and the both sides of mounting groove 11 extend to the outer wall of flat needle bar 10 respectively and open, when flat thimble 20 of installation, can peg graft the one end of flat thimble 20 to the mounting groove 11 in.
Furthermore, the fixing portion 12 is formed as a fixing hole communicated with the mounting groove 11, and the fixing member 30 passes through the fixing hole to mount the flat thimble 20 on the flat needle rod 10, so that the flat needle rod is convenient to use, convenient to operate and high in stability. It should be noted that the fixing member 30 can pass through the fixing hole to stop against the flat needle rod 10, so as to position the flat needle rod 10.
Alternatively, the opening of the mounting groove 11 is formed in a linear shape and passes through the central position of the flat needle rod 10, and the width of the flat thimble 20 is smaller than or equal to the width of the mounting groove 11, so as to facilitate ejecting the product.
According to the utility model discloses an embodiment, the axis perpendicular to mounting groove 11 of fixed orifices has improved positional stability.
In some embodiments of the present invention, the flat thimble 20 is provided with a positioning hole 21 corresponding to the fixing hole, and the fixing member 30 passes through the fixing hole and the positioning hole 21 to install the flat thimble 20 on the flat needle bar 10, that is, when installing, the flat thimble 20 can be inserted into the mounting groove 11, and then the fixing member 30 passes through the fixing hole and the positioning hole 21 in sequence, so as to improve the positioning effect for the flat thimble 20.
Further, the fixing hole is through along the thickness direction of one end of the flat needle bar 10, and the fixing member 30 is formed as a positioning pin, so that the installation and the disassembly are convenient, the source is wide, and the production cost is low.
According to the utility model discloses an embodiment, locating hole 21 and fixed orifices are two respectively, and two fixed orifices are along the spaced apart distribution of length direction of flat needle pole 10, can further improve positioning stability.
In some embodiments of the present invention, the ejection device 100 further includes an ejector plate 40, the ejector plate 40 is formed in a plate shape, the ejector plate 40 is disposed at the other end of the flat needle rod 10 to stop the flat needle rod 10, the edge of the ejector plate 40 is disposed with a through groove 41 penetrating along the thickness direction thereof, the inner wall of the through groove 41 is disposed with a first limit portion 42, and the lower end of the flat needle rod 10 is disposed with a second limit portion 13 inserted into the through groove 41 and engaged with the first limit portion 42. The flat needle rod 10 is connected with the ejector plate 40 to form closed loop connection, an ejection mechanism of the flat ejection mechanism is realized, and each ejection and reset of the ejector plate 40 form one ejection and reset motion in the injection molding process of the mold.
Further, the first limiting part 42 is formed as a groove extending along the inner wall, the second limiting part 13 is formed as a limiting boss, at least a part of the outer peripheral surface of the limiting boss is formed as a plane, and the plane can be flush with the outer side surface of the ejector plate 40, so that the interference of other parts can be prevented.
In summary, according to the ejection device 100 of the embodiment of the present invention, the device combining the flat needle rod 10 and the flat thimble 20 is adopted, so as to overcome the defects of the integral ejector rod in the prior art, such as easy deformation, easy fuzz, difficult replacement after damage, difficult processing after the length of the ejector rod is greater than a certain value, and the like. The ejection device 100 has the advantages of easy processing, strong rigidity, quick replacement after damage and the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An ejection device for a mold insert for ejecting a product from the mold insert, the ejection device comprising:
one end of the flat needle rod is formed into a column shape which can extend into the mold core, and one end of the flat needle rod is provided with a mounting groove and a fixing part;
one end of the flat thimble is detachably arranged in the mounting groove, and the other end of the flat thimble is formed into an ejection part which can extend into the mold core and eject the product;
the fixing part is matched with the fixing part to fix and loosen the flat thimble.
2. The ejection device according to claim 1, wherein one end of the flat needle bar is formed in a cylindrical shape, the mounting groove is formed as an elongated groove extending in an axial direction of the flat needle bar, and both sides of the mounting groove extend to an outer wall surface of the flat needle bar and are open, respectively.
3. The ejector device as claimed in claim 2, wherein the fixing portion is formed as a fixing hole communicating with the mounting groove, and the fixing member passes through the fixing hole to mount the flat ejector pin on the flat needle bar.
4. The ejection device according to claim 3, wherein the opening of the mounting groove is formed in a linear shape and passes through a central position of the flat needle bar, and a width of the flat needle is equal to or less than a width of the mounting groove.
5. The ejection device of claim 4, wherein an axis of the fixing hole is perpendicular to the mounting groove.
6. The ejection device as claimed in claim 3, wherein the thimble is provided with a positioning hole corresponding to the fixing hole, and the fixing member passes through the fixing hole and the positioning hole to mount the thimble on the needle bar.
7. The ejection device according to claim 6, wherein the fixing hole penetrates in a thickness direction of one end of the flat needle bar, and the fixing piece is formed as a positioning pin.
8. The ejection device as claimed in claim 6, wherein there are two positioning holes and two fixing holes, and the two fixing holes are spaced apart along the length of the flat needle bar.
9. The ejection device of claim 1, further comprising:
the ejector pin plate is formed into a plate shape, the ejector pin plate is arranged at the other end of the flat needle rod to stop abutting against the flat needle rod, a through groove which is communicated along the thickness direction of the ejector pin plate is arranged at the edge of the ejector pin plate, a first limiting part is arranged on the inner wall of the through groove, and a second limiting part which is inserted into the through groove and matched with the first limiting part is arranged at the lower end of the flat needle rod.
10. The ejection device according to claim 9, wherein the first stopper portion is formed as a groove extending along the inner wall, the second stopper portion is formed as a stopper boss, and at least a part of an outer peripheral surface of the stopper boss is formed as a flat surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921170536.2U CN210415394U (en) | 2019-07-24 | 2019-07-24 | Ejection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921170536.2U CN210415394U (en) | 2019-07-24 | 2019-07-24 | Ejection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210415394U true CN210415394U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921170536.2U Active CN210415394U (en) | 2019-07-24 | 2019-07-24 | Ejection device |
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| CN (1) | CN210415394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315709A (en) * | 2019-07-24 | 2019-10-11 | 常州星宇车灯股份有限公司 | Liftout attachment |
-
2019
- 2019-07-24 CN CN201921170536.2U patent/CN210415394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315709A (en) * | 2019-07-24 | 2019-10-11 | 常州星宇车灯股份有限公司 | Liftout attachment |
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