CN214982933U - Ejection mechanism of headlamp injection mold - Google Patents
Ejection mechanism of headlamp injection mold Download PDFInfo
- Publication number
- CN214982933U CN214982933U CN202121251748.0U CN202121251748U CN214982933U CN 214982933 U CN214982933 U CN 214982933U CN 202121251748 U CN202121251748 U CN 202121251748U CN 214982933 U CN214982933 U CN 214982933U
- Authority
- CN
- China
- Prior art keywords
- ejector rod
- ejector
- injection mold
- ejection mechanism
- column
- 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)
Abstract
The utility model discloses an ejection mechanism of a headlamp injection mold, which comprises an ejection device, wherein the ejection device drives an ejection plate to move vertically, a plurality of ejector rod columns are arranged at the top of the ejection plate, an ejector rod is arranged at the top of each ejector rod column, and the ejector rod can rotate at the top of the ejector rod column; ejector pin upper portion is equipped with rather than axle vertically branch, the utility model discloses after the completion of moulding plastics, promote the ejector pin by the cylinder and shift up, the ejector pin can be rotatory state that rises in the heliciform spout of die block owing to the existence of upper portion branch and the rotatable design in bottom, with the ejecting die block of headlamp finished product, has avoided the ejecting in-process of material to produce rupture, adhesion scheduling problem, has improved production security and yields.
Description
Technical Field
The utility model belongs to the mould processing field, concretely relates to an ejection mechanism for headlamp injection mold.
Background
In the automotive industry, the production of automotive interiors and automotive panels has largely adopted various molds, such as stamping molds, injection molds, forging molds, casting wax molds, glass molds, and the like. The car lamp mask is manufactured through an injection molding process, and an injection molding mold is used.
An injection molding die is generally composed of two parts, a movable die mounted on a movable platen of an injection molding machine and a stationary die mounted on a stationary platen of the injection molding machine. During injection molding, the movable mold and the fixed mold are assembled to form a pouring system and a cavity, the movable mold and the fixed mold are separated during mold opening, and a product is separated from the mold through the ejection mechanism.
For example, chinese patents [ application No. 201020260816.5; the license bulletin No. CN201755900U discloses a secondary ejection mechanism of an automobile lampshade mould, which comprises an upper mould plate and a lower mould plate, wherein the upper mould plate is connected with a fixed mould plate, a mould pin is arranged on the lower mould plate, an ejector pin plate and an ejector pin compound plate are arranged in the mould pin, ejector pins are connected on the ejector pin plate and the ejector pin compound plate, a movable mould plate is arranged on the mould pin, a bevel insert is arranged in the movable mould plate, a mould cavity is formed between the bevel insert, the movable mould plate and the fixed mould plate, a formed automobile binding cover is arranged in the mould cavity, the ejector pins penetrate through the movable mould plate and the bevel insert to be contacted with the automobile binding cover, an ejector rod plate and an ejector pin compound plate are arranged in the mould pin, ejector rods are connected on the ejector rod plate and the ejector pin compound plate, the ejector pin compound plate and the movable mould plate are connected with the bevel insert, and limit screws are arranged between the ejector rod plate and the ejector pin compound plate.
The secondary ejection mechanism of the automobile lampshade mold firstly ejects the bevel insert and the automobile lampshade out of the movable mold plate through the ejector rods, and then forcibly ejects the automobile lampshade from the bevel insert through the ejector pins. Such an ejection mechanism has problems in that: 1. the acting force of the thimble on the automobile lamp shade is concentrated on one point, so that the surface of the automobile lamp shade is easily damaged, and the quality of the automobile lamp shade is influenced; 2. the thimble forces the automobile lamp shade to be ejected out from the bevel insert, the stress at the bevel is larger, the automobile lamp shade is easily broken at the bevel, and the product is scrapped.
Disclosure of Invention
For solving the above-mentioned problem that prior art exists, the utility model provides a headlamp injection mold ejection mechanism: the device comprises a pushing device, wherein the pushing device drives a pushing plate to vertically move, a plurality of ejector rod columns are arranged at the top of the pushing plate, an ejector rod is arranged at the top of each ejector rod column, and the ejector rods can rotate at the tops of the ejector rod columns; the upper part of the ejector rod is provided with a supporting rod vertical to the shaft of the ejector rod.
Preferably, the ejection device is an air cylinder.
Preferably, the diameter of the bottom of the ejector rod is larger than that of the ejector rod main body, and the top of the ejector rod column is provided with a through hole for the ejector rod main body to pass through and an inner concave part with the same shape and size as the bottom of the ejector rod.
Preferably, the top of the ejector rod column comprises an inherent part which is integrally formed with the main body of the ejector rod column and a splicing block which is spliced with the inherent part to form the annular top, the inherent part and the splicing block are both in a semicircular ring shape, and the periphery of the splicing block is also provided with a cylindrical surface part which extends downwards.
Preferably, the splicing parts of the fixed part and the splicing block are provided with mounting pieces extending towards the outer side of the ejector rod column, screw holes are formed in the mounting pieces, the splicing block is fixed on one side of the fixed part through bolts, and the bottom of the ejector rod is limited in an inward concave part at the top of the ejector rod column.
Preferably, the two support rods are positioned on the same straight line and clamped in the spiral sliding groove of the bottom die.
The utility model discloses after the completion of moulding plastics, promote the ejector pin by the cylinder and shift up, the ejector pin can be the rotatory state that rises in the heliciform spout of die block owing to the existence of upper portion branch and the rotatable design in bottom, with the ejecting die block of headlamp finished product, has avoided the ejecting in-process of material to produce rupture, adhesion scheduling problem, has improved production security and yields.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a perspective view of the stem post and the stem.
Fig. 3 is a top view of the stem post and stem.
Fig. 4 is a longitudinal sectional view of the carrier rod column.
Fig. 5 is a longitudinal sectional view of the jack.
In the figure: 1. a pushing device; 2. pushing the top plate; 3. a jack post; 4. a top rod; 31. a fixed part; 32. splicing blocks; 33. Mounting a sheet; 34. a through hole; 35. a concave portion; 41. a strut; 42. the bottom of the top rod.
Detailed Description
Example 1
As shown in fig. 1-5, an embodiment of the present invention comprises: the ejection device 1 drives the ejection plate 2 to vertically move, a plurality of ejector rod columns 3 are arranged at the top of the ejection plate 2, an ejector rod 4 is arranged at the top of each ejector rod column 3, and the ejector rod 4 can rotate at the top of the ejector rod column 3; the upper part of the mandril 4 is provided with a supporting rod 41 vertical to the axis thereof.
More specifically, the ejector 1 is a cylinder.
More specifically, the diameter of the ejector rod bottom 42 is larger than that of the main body of the ejector rod 4, and the top of the ejector rod column 3 is provided with a through hole 34 for the main body of the ejector rod 4 to pass through and an inner concave part 35 with the same shape and size as the ejector rod bottom 42.
More specifically, the top of the ejector rod column 3 comprises an intrinsic part 31 integrally formed with the main body of the ejector rod column and a split block 32 split with the intrinsic part 31 to form an annular top, the intrinsic part 31 and the split block 32 are both semi-circular, and the periphery of the split block 32 is also provided with a cylindrical surface part extending downwards.
More specifically, the splicing parts of the inherent part 31 and the splicing block 32 both have a mounting piece 33 extending to the outer side of the post rod 3, the mounting piece 33 is provided with a screw hole, the splicing block 32 is fixed on one side of the inherent part 31 through a bolt, and the bottom 42 of the post rod is limited in an inner concave part 35 at the top of the post rod 3.
Example 2
As shown in fig. 1-5, another embodiment of the present invention comprises: the ejection device 1 drives the ejection plate 2 to vertically move, a plurality of ejector rod columns 3 are arranged at the top of the ejection plate 2, an ejector rod 4 is arranged at the top of each ejector rod column 3, and the ejector rod 4 can rotate at the top of the ejector rod column 3; the upper part of the mandril 4 is provided with a supporting rod 41 vertical to the axis thereof.
More specifically, the ejector 1 is a cylinder.
More specifically, the diameter of the ejector rod bottom 42 is larger than that of the main body of the ejector rod 4, and the top of the ejector rod column 3 is provided with a through hole 34 for the main body of the ejector rod 4 to pass through and an inner concave part 35 with the same shape and size as the ejector rod bottom 42.
More specifically, the top of the ejector rod column 3 comprises an intrinsic part 31 integrally formed with the main body of the ejector rod column and a split block 32 split with the intrinsic part 31 to form an annular top, the intrinsic part 31 and the split block 32 are both semi-circular, and the periphery of the split block 32 is also provided with a cylindrical surface part extending downwards.
More specifically, the splicing parts of the inherent part 31 and the splicing block 32 both have a mounting piece 33 extending to the outer side of the post rod 3, the mounting piece 33 is provided with a screw hole, the splicing block 32 is fixed on one side of the inherent part 31 through a bolt, and the bottom 42 of the post rod is limited in an inner concave part 35 at the top of the post rod 3.
More specifically, the two support rods 41 are aligned and are engaged in the helical groove of the bottom mold.
The utility model discloses a design point lies in becoming the spiral rising movement track by conventional linear motion orbit the ejector pin that will be used for ejecting material, for realizing this kind of change, the push rod structure has been improved, divide into two parts with it and be the ejection post of lower part promptly and can limit to at the rotatory ejector pin in its top, be equipped with two at least branches that are 180 symmetries on the ejector pin, its card is gone into in the spiral helicine spout of die block, when the cylinder drives its rising, can realize that spiral rising motion is ejecting with the material, material and die block adhesion can be avoided to this kind of ejecting mode, the risk of losing when also having reduced ejecting, production efficiency and yields have been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Headlamp injection mold's ejection mechanism, its characterized in that: the device comprises a pushing device, wherein the pushing device drives a pushing plate to vertically move, a plurality of ejector rod columns are arranged at the top of the pushing plate, an ejector rod is arranged at the top of each ejector rod column, and the ejector rods can rotate at the tops of the ejector rod columns; the upper part of the ejector rod is provided with a supporting rod vertical to the shaft of the ejector rod.
2. The ejection mechanism of the injection mold for a headlamp according to claim 1, characterized in that: the ejection device is a cylinder.
3. The ejection mechanism of the injection mold for a headlamp according to claim 2, characterized in that: the diameter of the bottom of the ejector rod is larger than that of the ejector rod main body, and the top of the ejector rod column is provided with a through hole for the ejector rod main body to pass through and an inward concave part with the same shape and size as the bottom of the ejector rod.
4. The ejection mechanism of the injection mold for a headlamp according to claim 3, characterized in that: the top of the ejector rod column comprises an inherent part and a splicing block, wherein the inherent part is integrally formed with the main body of the ejector rod column, the splicing block is spliced with the inherent part to form the annular top, the inherent part and the splicing block are both in a semicircular ring shape, and the periphery of the splicing block is also provided with a cylindrical surface part extending downwards.
5. The ejection mechanism of the injection mold for a headlamp according to claim 4, characterized in that: the splicing parts of the inherent part and the splicing blocks are provided with mounting pieces extending towards the outer side of the ejector rod column, screw holes are formed in the mounting pieces, the splicing blocks are fixed on one side of the inherent part through bolts, and the bottom of the ejector rod is limited in the concave part at the top of the ejector rod column.
6. The ejection mechanism of the injection mold for a headlamp according to claim 5, characterized in that: the two support rods are positioned on the same straight line and clamped in the spiral chute of the bottom die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251748.0U CN214982933U (en) | 2021-06-07 | 2021-06-07 | Ejection mechanism of headlamp injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251748.0U CN214982933U (en) | 2021-06-07 | 2021-06-07 | Ejection mechanism of headlamp injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214982933U true CN214982933U (en) | 2021-12-03 |
Family
ID=79086966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121251748.0U Active CN214982933U (en) | 2021-06-07 | 2021-06-07 | Ejection mechanism of headlamp injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214982933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116394474A (en) * | 2023-05-06 | 2023-07-07 | 无锡万华机械有限公司 | Mould is used in production of car central channel processing |
-
2021
- 2021-06-07 CN CN202121251748.0U patent/CN214982933U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116394474A (en) * | 2023-05-06 | 2023-07-07 | 无锡万华机械有限公司 | Mould is used in production of car central channel processing |
| CN116394474B (en) * | 2023-05-06 | 2023-11-24 | 无锡万华机械有限公司 | Mould is used in production of car central channel processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102248114B (en) | Process and die for forming automobile hub by integrally forging and extruding light alloy | |
| CN102101350B (en) | Precision mold for small-spiral-angle duplex gear | |
| CN110842128A (en) | Hub direct forging die and forging process thereof | |
| CN113000761B (en) | Multi-station forging device for automobile aluminum alloy hub | |
| CN110976733A (en) | Hub direct forging die and forging process thereof | |
| CN214982933U (en) | Ejection mechanism of headlamp injection mold | |
| CN201275857Y (en) | Injection mold for anti-theft bottle cap | |
| CN110732618A (en) | Die for upsetting hexagon flange bolt | |
| CN215396652U (en) | Headlamp injection mold | |
| CN215203295U (en) | Ejection mechanism of car lamp mask forming die | |
| CN215703608U (en) | Car light face guard forming die | |
| CN210011233U (en) | Precise injection molding device for plastic mold processing | |
| CN110014126B (en) | Convenient ejecting ring flange mould | |
| CN203792632U (en) | Plastic injection mold of ventilation opening of vehicle-mounted air conditioner. | |
| CN213891041U (en) | Automatic drawing of patterns and safe mould of drawing of patterns process | |
| CN108858910A (en) | A kind of production method of automobile shock air bag | |
| CN212602812U (en) | Make things convenient for car light mould of drawing of patterns | |
| CN210758924U (en) | Rotary demolding mold | |
| CN113680968A (en) | Mounting bearing forming die of industrial caster | |
| CN218252482U (en) | Molding device for automobile instrument cross beam support | |
| CN215825856U (en) | Inner and outer slide block matched demoulding structure | |
| CN111002532A (en) | Automatic demoulding injection mold | |
| CN218191963U (en) | Spinning lower die and hub spinning die applied by same | |
| CN216780203U (en) | Rapid forming die for large titanium alloy complex forge piece | |
| CN219443061U (en) | Hub double-sided spinning die capable of rapidly demolding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |