CN211868509U - Demoulding device and processing mould - Google Patents
Demoulding device and processing mould Download PDFInfo
- Publication number
- CN211868509U CN211868509U CN201922276071.5U CN201922276071U CN211868509U CN 211868509 U CN211868509 U CN 211868509U CN 201922276071 U CN201922276071 U CN 201922276071U CN 211868509 U CN211868509 U CN 211868509U
- Authority
- CN
- China
- Prior art keywords
- thimble
- ejector pin
- needle
- bottom plate
- limiting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a product drawing of patterns technical field provides a shedder and mold processing, include: the needle plate is provided with a needle hole and is used for moving close to and away from the die; the bottom plate is arranged on one side of the needle plate, which is far away from the mold; the first thimble is arranged on the bottom plate and can telescopically penetrate through the pinhole, and the first thimble is used for abutting against the lamp cup of the lens to be demoulded; the second ejector pin is arranged on the needle plate and used for abutting against the connecting body of the lens to be demoulded; the utility model provides a shedder and mold processing have following advantage: by arranging the first ejector pin and the second ejector pin, the stress of the lens can be uniform during demolding, and the damage of a product is avoided; in addition, first thimble telescopically passes the pinhole setting for relative displacement can take place for first thimble and second thimble, and after successfully demolding the product, first thimble and second thimble can misplace, only need the second thimble can be with the jacking of product to preset the position, the process operation on next step of being convenient for.
Description
Technical Field
The utility model relates to a product drawing of patterns technical field, more specifically says, relates to a shedder and mold processing.
Background
The prior flat street lamp lens has the following problems in the demoulding process in the production process:
(1) due to the limitation of the overall dimension and the optical requirement of the lens of the flat street lamp, the lamp cup on the lens of the flat street lamp is designed at the edge of the lens of the flat street lamp, so that an ejection mechanism cannot be designed at the edge of the lens of the flat street lamp;
(2) the flat street lamp lens is a thick-wall product, and the pressure is required to be maintained to be high, so that the die bonding force is high, and the ejection is difficult to some extent;
(3) due to structural limitations of the flat street lamp lens, the ejection positions are located at four corners of the product, which leads to unbalanced ejection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shedder and mold processing to solve the technical problem that dull and stereotyped street lamp lens that exists among the prior art damaged easily at the drawing of patterns process.
In order to achieve the above object, the utility model discloses a technical scheme be a shedder, include:
the needle plate is provided with a needle hole and is used for moving close to and away from the die;
the bottom plate is arranged on one side of the needle plate, which is far away from the mold;
the first thimble is arranged on the bottom plate and used for penetrating through the pinhole under the driving of the bottom plate to be propped against the lamp cup of the lens to be demoulded; and
and the second ejector pin is arranged on the needle plate and used for abutting against the connector of the lens to be demoulded.
In one embodiment, the first thimble is parallel to the second thimble.
In one embodiment, an elastic member is connected between the first thimble and the bottom plate, and an elastic direction of the elastic member is parallel to a length direction of the first thimble.
In one embodiment, the bottom plate is provided with a limiting cover, one end of the first thimble, which is close to the bottom plate, is provided with a limiting part, one end of the limiting part is limited in the limiting cover, and two opposite ends of the elastic part respectively abut against the bottom of the limiting cover and one end, accommodated in the limiting cover, of the limiting part.
In one embodiment, an end of the first thimble, which is used for abutting against the lamp cup, is of an arc-shaped structure.
In one embodiment, an end of the second thimble, which is used for abutting against the connecting body, is a planar structure.
In one embodiment, a first limiting groove is formed on the hole wall of one end, far away from the needle plate, of the needle hole, the radius of the first limiting groove is larger than that of the needle hole, and a limiting portion matched with the first limiting groove is formed at one end, close to the bottom plate, of the first ejector pin.
In one embodiment, the needle plate is provided with a needle groove, and one end of the second thimble is fixed in the needle groove.
In one embodiment, the first needles and the second needles are arranged in an array.
Another object of the utility model is to provide a processing mold, include shedder as above.
The utility model provides a shedder's beneficial effect lies in:
the first thimble is arranged on the lamp cup, and the second thimble is arranged on the connecting body between the adjacent lamp cups, so that the lamp cup and the connecting body are stressed when the lens is demoulded, and the damage of a product caused by uneven stress is avoided; in addition, first thimble telescopically passes the pinhole setting for first thimble and second thimble can take place relative displacement, and after successfully demolding the product, first thimble and second thimble can misplace, only need the second thimble can be with the jacking of product to preset position, its simple structure and be convenient for next step process operation.
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 embodiments will be briefly described 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 that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a three-dimensional structure diagram of a demolding device provided in an embodiment of the present invention;
fig. 2 is an exploded view of a demolding device provided in an embodiment of the present invention;
fig. 3 is a cross-sectional view of a demolding device provided in an embodiment of the present invention;
FIG. 4 is an enlarged view at "A" of FIG. 3;
fig. 5 is an enlarged view of fig. 3 "B".
The figures are numbered:
a needle plate-1; pinhole-11; a first limit groove-12; a needle groove-13; a second limit groove-14;
a bottom plate-2;
a first thimble-3; cambered surface structure-31; a limiting part-32;
a second thimble-4; planar structure-41;
a lamp cup-5;
linker-6;
an elastic member-7;
a limiting cover-8;
a lens-9;
a stopper-10.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention, and are not intended to indicate that a device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as indicating a number of technical features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The following describes the specific implementation of the present invention in more detail with reference to specific embodiments:
as shown in fig. 1 to fig. 3, an embodiment of the present invention provides a demolding device for detaching a product in a mold from the mold.
The demolding device comprises: the needle plate 1, the bottom plate 2, the first thimble 3 and the second thimble 4; the needle plate 1 is provided with a needle hole 11 in a penetrating way, and the needle plate 1 is used for moving close to and away from the die; the bottom plate 2 is arranged on one side of the needle plate 1 far away from the mold, and the bottom plate 2 can move close to or far away from the mold; the first thimble 3 is arranged on the bottom plate 2 and can telescopically penetrate through the pinhole 11 along with the relative movement of the needle plate 1 and the bottom plate 2, and the first thimble 3 is used for abutting against the lamp cup 5 of the lens 9 to be demoulded; the second thimble 4 is arranged on the needle plate 1, and the second thimble 4 is used for abutting against the connecting body 6 between the adjacent lamp cups 5 of the lens 9 to be demoulded.
One of the working principles of the demolding device provided by the embodiment is as follows:
the mould is provided with a cavity, a lens 9 is injection molded in the cavity, the formed lens 9 comprises lamp cups 5 arranged in an array manner and a connecting body 6 positioned between the adjacent lamp cups 5, a first thimble 3 penetrates through the cavity and is abutted against the bottom surface of the lamp cup 5, a second thimble 4 penetrates through the cavity and is abutted against the bottom surface of the connecting body 6, when the lens 9 is ejected for the first time, the bottom plate 2 and the needle plate 1 are driven simultaneously to enable the first thimble 3 and the second thimble 4 to move synchronously, the lamp cup 5 and the connecting body 6 are ejected simultaneously, namely, the whole lens 9 is ejected out of the cavity, then the movement of the first thimble 3 is stopped, the second thimble 4 is enabled to continue to move, the lamp cup 5 and the first thimble 3 are driven to be separated, and the second thimble 4 continues to lift the lens 9 to a preset position, and the next working procedure processing is.
It should be further noted that, in the above operating principle of the demolding device, since the first thimble 3 and the second thimble 4 need to be relatively moved, the needle plate 1 and the bottom plate 2 need to be driven by a driving device, which may be an air cylinder or an oil cylinder.
The beneficial effect of the shedder that this embodiment provided lies in:
the first ejector pin 3 is arranged at the lamp cup 5, and the second ejector pin 4 is arranged on the connecting body 6 between the adjacent lamp cups 5, so that the connecting bodies 6 between the lamp cups 5 and the lamp cups 5 are stressed when the lens 9 is demoulded, and the damage to products caused by uneven stress is avoided; in addition, first thimble 3 passes pinhole 11 setting telescopically for first thimble 3 and second thimble 4 can take place relative displacement, and after successfully demolding the product, first thimble 3 and second thimble 4 can misplace, only need second thimble 4 can be with the jacking of product to preset position, its simple structure and be convenient for next step process operation.
In one embodiment, the first thimble 3 passes through the pinhole 11 and protrudes toward the mold, the second thimble 4 protrudes toward the mold, and the first thimble 3 is parallel to the second thimble 4. Specifically, the mold is provided with a cavity and a first sliding hole communicated with the cavity, the first ejector pin 3 is inserted into the first sliding hole, and after the glue material in the cavity is fixed to form the lens 9, the first ejector pin 3 ejects out the lens 9, so that the lens 9 is separated from the cavity; certainly, the mold is further provided with a second sliding hole communicated with the cavity, the second ejector pin 4 is used for being inserted into the second sliding hole, and after the glue material in the cavity is fixed to form the lens 9, the second ejector pin 4 ejects out the lens 9, so that the lens 9 is separated from the cavity.
Referring to fig. 3 to 5, in an embodiment, an elastic element 7 is connected between the first needle 3 and the bottom plate 2, and an elastic direction of the elastic element 7 is parallel to a length direction of the first needle 3. It will be appreciated that in this embodiment, the base plate 2 does not require a drive means and is simple in construction.
In this embodiment, the operation principle of the ejector is different from that of the above-described embodiment: the bottom plate 2 can be fixedly arranged below the needle plate 1, when the lens 9 needs to be demoulded, the needle plate 1 moves towards the mould, the second ejector pin 4 is driven to eject the connecting body 6, and meanwhile, the first ejector pin 3 also ejects the lamp cup 5 under the elastic action of the elastic piece 7. When the needle plate 1 continues to move upward until the elastic member 7 is restored to the original length and the elastic member 7 is elongated by the adhesive force of the lamp cup 5, the elastic force direction of the elastic member 7 is reversed and the lamp cup 5 is separated from the first thimble 3 when the elastic force is greater than the adhesive force of the lamp cup 5.
In one embodiment, the bottom plate 2 is provided with a limiting cover 8, one end of the first thimble 3 close to the bottom plate 2 is provided with a limiting member 10, one end of the limiting member 10 is limited and contained in the limiting cover 8, and two ends of the elastic member 7 respectively abut against the bottom of the limiting cover 8 and one end of the limiting member 10 contained in the limiting cover 8. Specifically, the limiting member 10 is movable along a height direction of the limiting cover 8, which is parallel to the extending and retracting direction of the first thimble 3, and the limiting cover 8 limits the moving distance of the limiting member 10. The ejection distance of the first ejector pin 3 is limited through the matching of the limiting cover 8 and the limiting part 10, and the damage to the die caused by the overlong ejection distance of the first ejector pin 3 is avoided.
In one embodiment, the end of the first thimble 3 for abutting against the lamp cup 5 is a cambered surface structure 31. It will be appreciated that the arc-shaped structure 31 is adapted to the shape of the lamp cup 5.
In the process of producing the lens 9, the first ejector pin 3 penetrates through the first sliding hole communicated with the cavity, the end part of the first ejector pin 3 just serves as a part of the cavity, namely when injection molding is performed in the cavity, the injection molded rubber material is filled in the cavity and covers the end part of the first ejector pin 3, namely covers the arc-shaped surface structure 31. After the injection molding glue is fixed, the shape of the cambered surface structure 31 is the partial shape of the lamp cup 5.
In one embodiment, the end of the second thimble 4 for abutting against the connecting body 6 of the adjacent lamp cup 5 is a planar structure 41. It will be appreciated that the planar structure 41 is adapted to the shape of the connecting body 6.
In the process of producing the lens 9, the second ejector pin 4 penetrates through the second sliding hole communicated with the cavity, and the end part of the second ejector pin 4 just serves as a part of the cavity, namely when injection molding is performed in the cavity, the injection molded rubber material is filled in the cavity and simultaneously covers the end part of the second ejector pin 4, namely covers the planar structure 41. After the injection-molded plastic material is fixed, the shape of the planar structure 41 is a partial shape of the connecting body 6.
In one embodiment, the hole wall of the end of the needle hole 11 far away from the needle plate 1 is formed with a first limiting groove 12, the radius of the first limiting groove 12 is larger than that of the needle hole 11, and the end of the first thimble 3 near the bottom plate 2 is formed with a limiting part 32 adapted to the first limiting groove 12. It can be understood that, by providing the first limiting groove 12 and the limiting portion 32, the moving direction of the first thimble 3 can be limited, and the damage to the mold caused by too much moving distance of the first thimble 3 towards the mold can be avoided.
In one embodiment, the needle plate 1 is provided with a needle groove 13, and one end of the second thimble 4 is fixed in the needle groove 13. Specifically, the bottom of the needle groove 13 is provided with a second limit groove 14, and the radius of the second limit groove 14 is larger than that of the needle groove 13. It can be understood that the second thimble 4 can be fixed on the needle plate 1 by providing the second limit groove 14, and the structure is simple.
In one embodiment, the first pins 3 and the second pins 4 are arranged in an array. It can be understood that a plurality of lenses 9 can be ejected simultaneously by the above design, and the efficiency of demolding is improved. Specifically, 16 first ejector pins 3 and second ejector pins 4 are included, the first ejector pins 3 and the second ejector pins 4 are arranged in an array of 4 by 4, or in an array of 2 by 8, and the arrangement of the cavity 4 is determined by the shape of a product to be produced or the requirements of a jig.
Another object of the utility model is to provide a processing mold, include shedder as above.
The processing mold provided with the demolding device has the advantage of good product protection in the demolding process.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A demolding device, characterized by comprising:
the needle plate is provided with a needle hole and is used for moving close to and away from the die;
the bottom plate is arranged on one side of the needle plate, which is far away from the mold;
the first thimble is arranged on the bottom plate and used for penetrating through the pinhole under the driving of the bottom plate to be propped against the lamp cup of the lens to be demoulded; and
and the second ejector pin is arranged on the needle plate and used for abutting against the connector of the lens to be demoulded.
2. The demolding device as claimed in claim 1, wherein said first ejector pin is parallel to said second ejector pin.
3. The demolding device as claimed in claim 1, wherein an elastic member is connected between the first ejector pin and the bottom plate, and an elastic direction of the elastic member is parallel to a length direction of the first ejector pin.
4. The demolding device as claimed in claim 3, wherein a limiting cover is disposed on the bottom plate, a limiting member is disposed at an end of the first ejector pin close to the bottom plate, one end of the limiting member is limited in the limiting cover, and opposite ends of the elastic member respectively abut against a bottom of the limiting cover and an end of the limiting member accommodated in the limiting cover.
5. The demolding device as claimed in claim 1, wherein an end portion of the first ejector pin for abutting against the lamp cup is of a cambered surface structure.
6. The demolding device as claimed in claim 1, wherein an end portion of the second ejector pin for abutting against the connecting body is of a planar structure.
7. The demolding device as claimed in claim 1, wherein a hole wall of one end of the needle hole, which is far away from the needle plate, is formed with a first limiting groove, the radius of the first limiting groove is larger than that of the needle hole, and one end of the first ejector pin, which is close to the bottom plate, is formed with a limiting portion adapted to the first limiting groove.
8. The demolding device as claimed in claim 1, wherein the needle plate is provided with a needle groove, and one end of the second ejector pin is fixed in the needle groove.
9. The demolding device as claimed in any one of claims 1 to 8, wherein said first ejector pins and said second ejector pins are arranged in an array.
10. A working mold comprising the demolding device as claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922276071.5U CN211868509U (en) | 2019-12-17 | 2019-12-17 | Demoulding device and processing mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922276071.5U CN211868509U (en) | 2019-12-17 | 2019-12-17 | Demoulding device and processing mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211868509U true CN211868509U (en) | 2020-11-06 |
Family
ID=73244977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922276071.5U Active CN211868509U (en) | 2019-12-17 | 2019-12-17 | Demoulding device and processing mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211868509U (en) |
-
2019
- 2019-12-17 CN CN201922276071.5U patent/CN211868509U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211868509U (en) | Demoulding device and processing mould | |
| CN205889772U (en) | Injection mold | |
| CN216465985U (en) | Novel mould ejection mechanism with higher speed | |
| CN216139340U (en) | Injection mold of cube casing with concave outer surface | |
| CN216465959U (en) | Core pulling mechanism of plastic mold | |
| CN213564064U (en) | Vice instrument body mould of car convenient to drawing of patterns | |
| CN210791932U (en) | Conveniently-disassembled plastic mold | |
| CN212979125U (en) | A ejecting structure for injection mold | |
| CN212795721U (en) | Automatic automobile plastic part injection mold of drawing of patterns | |
| CN209832480U (en) | Electric vehicle plastic part injection mold with inclined top built-in thimble demoulding mechanism | |
| CN211389852U (en) | Double-color die for game rocking bar | |
| CN209851469U (en) | Injection mold for processing refrigerator drawer face mask with complex structure | |
| CN210061842U (en) | Plastic mold structure for electronic water pump | |
| CN215242619U (en) | Bicycle basket injection mold with multiple demoulding blocks | |
| CN213440875U (en) | Injection mold with high-performance ejection mechanism | |
| CN214027009U (en) | Demoulding structure for plastic mould | |
| CN216001304U (en) | High-end electric motor car plastic construction spare injection moulding mould | |
| CN211891817U (en) | Injection mold with secondary ejection mechanism | |
| CN217226530U (en) | A mould for processing ultrasonic therapy appearance casing | |
| CN214562703U (en) | Injection mold with small-sized back-off demolding mechanism | |
| CN112976496B (en) | Injection molding mould of high quality drawing of patterns | |
| CN213353402U (en) | Eccentric oblique ejection mechanism of car light mould | |
| CN219095808U (en) | Injection molding device for automobile glass support | |
| CN220864667U (en) | Device for assisting injection molding machine in demolding injection products | |
| CN218876109U (en) | Machining device with hollow cylinder part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |