CN213972400U - Back-off anti-sticking angle ejection mechanism and injection mold - Google Patents
Back-off anti-sticking angle ejection mechanism and injection mold Download PDFInfo
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- CN213972400U CN213972400U CN202022811756.8U CN202022811756U CN213972400U CN 213972400 U CN213972400 U CN 213972400U CN 202022811756 U CN202022811756 U CN 202022811756U CN 213972400 U CN213972400 U CN 213972400U
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Abstract
The utility model discloses an antiseized oblique top mechanism of back-off, including oblique footstock, oblique ejector pin and bullet needle mechanism, the lower extreme of oblique ejector pin with the footstock supports the top to one side with sliding, the upper end of oblique ejector pin has oblique kicking block, the kicking block is equipped with the holding hole to one side, bullet needle mechanism includes thimble assembly and elastic component, thimble assembly set up with sliding in the holding is downthehole, and press during wherein one end of thimble assembly, the other end can stretch out the outside of oblique kicking block, the elastic component provides one and makes the elastic force that thimble assembly resets. The utility model discloses antiseized oblique top mechanism of back-off pushes up the ejecting product to one side when, looks into the back-off that makes the product and breaks away from oblique top, guarantees that the drawing of patterns is smooth. In addition, this the utility model discloses still disclose an injection mold.
Description
Technical Field
The utility model relates to an injection mold especially relates to an antiseized oblique top mechanism of back-off.
Background
When an existing injection mold is used for injecting a product with an inverted buckle, an inclined ejection mechanism is generally used for ejecting the product. However, in some injection-molded parts with a reverse buckle, the reverse buckle may stick to the lifter when the injection-molded part is demolded, the lifter retreats along with the demolding, the reverse buckle deforms, and the reverse buckle may be broken or the demolding fails in severe cases, which affects the quality of injection molding.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a when ejecting product to one side, make the product back-off break away from to one side and push up the mechanism to one side, guarantee the smooth antiseized oblique top of back-off of drawing of patterns.
Another object of the utility model is to provide a can make product back-off break away from oblique top when ejecting product, guarantee that the drawing of patterns is smooth, improve the injection mold of the quality of moulding plastics.
In order to realize the above-mentioned purpose, the utility model provides an antiseized oblique top mechanism of back-off includes oblique footstock, oblique ejector pin and bullet needle mechanism, the lower extreme of oblique ejector pin with the footstock supports the top to one side with sliding, the upper end of oblique ejector pin has oblique kicking block, oblique kicking block is equipped with the holding hole, bullet needle mechanism includes thimble assembly and elastic component, thimble assembly set up with sliding in the holding hole, and press during wherein one end of thimble assembly, the other end can stretch out the outside of oblique kicking block, the elastic component provides one and makes the elastic force that thimble assembly resets.
Compared with the prior art, because the utility model discloses a design an bullet needle mechanism on oblique kicking block, when oblique kicking block rises and retreats and ejecting product, the action of utilizing the back mould promotes bullet needle mechanism makes bullet needle mechanism stretches out oblique kicking block to the back-off that pushes away the product makes the back-off break away from oblique kicking block, reaches the purpose of drawing of patterns smoothly, consequently, the utility model discloses can prevent that the back-off from adhering oblique kicking block and retreating along with oblique kicking block and taking place to warp, effectively guarantee the smooth drawing of patterns of product to improve the drawing of patterns quality of product.
Preferably, the ejector pin assembly comprises a limiting pin, a movable block and an insert pin, the movable block is slidably arranged in the accommodating hole, one end of the limiting pin is fixedly connected with the movable block, and the other end of the limiting pin can extend out of the inner side of the inclined ejector block; one end of the insert pin is fixedly connected with the movable block, and the other end of the insert pin can extend out of the outer side of the inclined ejector block.
Specifically, the accommodating hole comprises a first through hole, a second through hole and a third through hole which are sequentially communicated, the first through hole accommodates the limiting pin, the second through hole accommodates the movable block and the elastic piece, and the third through hole accommodates the insert pin.
Specifically, the oblique kicking block include the main part and detachably install in the briquetting of main part, first through-hole set up in the briquetting, second through-hole and third through-hole set up in the main part. Through setting up the briquetting both can make thimble assembly convenient and fast ground installs in oblique thimble, can conveniently process each through-hole again for the mould is produced and is assembled more easily, improves the convenience of using.
Preferably, the elastic member is a compression spring.
Preferably, the inclined ejector seat is provided with a sliding groove, and the lower end of the inclined ejector rod is slidably arranged in the sliding groove.
An injection mold comprises a front mold, a rear mold, an ejector pin panel and an inverted anti-sticking inclined ejection mechanism, wherein the front mold is arranged on the rear mold, the rear mold is provided with an accommodating cavity and an inclined through hole, the upper side of the accommodating cavity is communicated with a mold cavity and accommodates an inclined ejection block, the lower side of the accommodating cavity is communicated with the inclined through hole, an inclined ejector pin is slidably arranged in the inclined through hole, and an inclined ejection seat is fixed on the ejector pin panel; the inner wall of the containing cavity is provided with an ejection surface, and the ejection surface ejects one end of the ejector pin assembly when the inclined ejector seat ejects a product, so that the other end of the ejector pin assembly extends out and ejects the reverse buckle of the product.
Specifically, the rear die comprises a die core and a rear die plate arranged on the lower side of the die core, the rear die plate is provided with a containing hole, the inclined ejector rod penetrates through the containing hole, and a spring is arranged in the containing hole.
Specifically, the injection mold further comprises an ejector pin bottom plate, and the ejector pin bottom plate is fixed to the lower side of the ejector pin panel.
Drawings
Fig. 1 is a structural diagram of the injection mold of the present invention.
Fig. 2 is a diagram of an enlarged rear mold of a portion a of fig. 1.
Fig. 3 is a view showing an enlarged structure of a portion a of fig. 1.
Fig. 4 is an enlarged view of a portion a in fig. 1.
Detailed Description
In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
As shown in fig. 1 to 4, the injection mold 100 of the present invention includes a front mold 1, a rear mold 2, a thimble panel 3, a thimble base plate 4, and an inverted and anti-sticking angle ejector mechanism 5. The front mold 1 is arranged on the rear mold 2, and a mold cavity 101 is formed after the front mold and the rear mold are fully molded. The reverse-buckling anti-sticking oblique jacking mechanism 5 comprises an oblique jacking seat 51, an oblique jacking rod 52 and an elastic needle mechanism 53, wherein the oblique jacking seat 51 is provided with a sliding groove 511, the sliding groove 511 is horizontally arranged, and the lower end of the oblique jacking rod 52 is slidably abutted against the sliding groove 511. The upper end of the inclined ejector rod 52 is provided with an inclined ejector block 54, and the width of the inclined ejector block 54 is gradually reduced from top to bottom. The inclined ejecting block 54 is provided with an accommodating hole 541, and the accommodating hole 541 is horizontally arranged. The needle ejecting mechanism 53 is disposed in the accommodating hole 541. Specifically, the thimble mechanism 53 includes a thimble assembly 531 and an elastic member 532, the thimble assembly 531 is slidably disposed in the accommodating hole 541, and when one end of the thimble assembly 531 is pressed, the other end of the thimble assembly 531 may extend out of the outer side of the inclined ejector block 54, and two ends of the elastic member 532 respectively abut against between the inclined ejector block 54 and the thimble assembly 531 to provide an elastic force for resetting the thimble assembly 531; the elastic member 532 is a compression spring. The rear die 2 is provided with an accommodating cavity 21 and an inclined through hole 22, the upper side of the accommodating cavity 21 is communicated with the die cavity 101 and accommodates the inclined ejector block 54, the lower side of the accommodating cavity is communicated with the inclined through hole 22, the inclined ejector rod 52 is slidably arranged in the inclined through hole 22, and the inclined ejector seat 51 is fixed on the ejector panel 3; the thimble base plate 4 is fixed to the lower side of the thimble panel 3. The inner wall of the accommodating cavity 21 is provided with an ejection surface 23, the ejection surface 23 is a vertical plane, and the ejection surface 23 ejects one end of the ejector pin assembly 531 when the inclined ejector seat 51 ejects a product, so that the other end of the ejector pin assembly 531 extends out and ejects the reverse buckle 301 of the product 300.
As shown in fig. 2 to 4, the thimble assembly 531 includes a position-limiting needle 531a, a movable block 531b and an insert needle 531c, the movable block 531b is horizontally and slidably disposed in the accommodating hole 541, one end of the position-limiting needle 531a is fixedly connected to the movable block 531b, and the other end thereof can extend out of the inner side of the inclined top block 54; one end of the insert pin 531c is fixedly connected with the movable block 531b, and the other end thereof can extend out of the outer side of the inclined top block 54. The accommodating hole 541 includes a first through hole 541a, a second through hole 541b, and a third through hole 541c, which are sequentially communicated, the first through hole 541a accommodates the limit pin 531a, the second through hole 541b accommodates the movable block 531b and the elastic member 532, and the third through hole 541c accommodates the insert pin 531 c.
Referring to fig. 2 to 4, the inclined ejecting block 54 includes a main body 54a and a pressing block 54b detachably mounted on the main body 54a, the first through hole 541a is disposed on the pressing block 54b, and the second through hole 541b and the third through hole 541c are disposed on the main body 54 a. Through setting up briquetting 54b, both can make thimble assembly 531 convenient and fast ground installs in oblique kicking block 54, can conveniently process each through-hole again for the mould is produced and is assembled more easily, improves the convenience of using.
The rear die 2 comprises a die core 2a and a rear die plate 2b arranged on the lower side of the die core 2a, the rear die plate 2b is provided with a through hole 2c, the inclined ejector rod 52 penetrates through the through hole 2c, the diameter of the through hole 2c is larger than that of the inclined through hole 21 and is not smaller than the maximum distance of translation of the inclined ejector rod 52 during demolding, a spring 2d is arranged in the through hole 2c, and the spring 2d can limit the inclined ejector rod 52.
When the die is closed, the inclined ejector block 54 is accommodated in the accommodating cavity 21, the inclined ejector rod 52 is accommodated in the inclined through hole 22, one end of the limiting pin 531a extends out of the accommodating hole 541, and the insert pin 531c retracts into the third through hole 541 c. When the mold is opened, the rear mold 2 is withdrawn, and the inclined ejector rod 52 is abutted against the inclined ejector seat 51. At this time, the slanted ejecting rod 52 slides upwards along the slanted through hole 22 to drive the slanted ejecting block 54 to slide upwards. In the sliding process, the limit pin 531a is pushed by the pushing surface 23 to retract into the first through hole 541a, so that the movable block 531b compresses the elastic member 532, and the limit pin 531a drives the insert pin 531c to extend out of the inclined pushing block 54 and push the reverse buckle of the product, so that the reverse buckle is separated from the inclined pushing block 54. When the inclined ejecting block 54 completely extends out of the accommodating cavity 21, the product can be completely demoulded.
Compared with the prior art, because the utility model discloses a design an bullet needle mechanism 53 on oblique kicking block 54, when oblique kicking block 54 rises and retreats and ejecting product, utilize the action of back mould 2 to promote bullet needle mechanism 53 makes bullet needle mechanism 53 stretches out oblique kicking block 54 to the back-off of top pushing product makes the back-off break away from oblique kicking block 54, reaches the purpose of drawing of patterns smoothly, consequently, the utility model discloses can prevent that the back-off from adhering to oblique kicking block 54 and going back and take place to warp along with oblique kicking block 54, effectively guarantee the smooth drawing of patterns of product, thereby improve the drawing of patterns quality of product.
The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.
Claims (9)
1. The utility model provides an antiseized oblique top mechanism of back-off which characterized in that: the lower end of the inclined ejector rod is slidably abutted to the inclined ejector seat, an inclined ejector block is arranged at the upper end of the inclined ejector rod and provided with a containing hole, the elastic needle mechanism comprises an ejector pin assembly and an elastic piece, the ejector pin assembly is slidably arranged in the containing hole, when one end of the ejector pin assembly is pressed, the other end of the ejector pin assembly can extend out of the outer side of the inclined ejector block, and the elastic piece provides an elastic force for enabling the ejector pin assembly to reset.
2. The inverted anti-sticking pitched roof mechanism of claim 1, wherein: the ejector pin assembly comprises a limiting pin, a movable block and an insert pin, the movable block is slidably arranged in the accommodating hole, one end of the limiting pin is fixedly connected with the movable block, and the other end of the limiting pin can extend out of the inner side of the inclined ejector block; one end of the insert pin is fixedly connected with the movable block, and the other end of the insert pin can extend out of the outer side of the inclined ejector block.
3. The inverted anti-sticking pitched roof mechanism of claim 2, wherein: the accommodating hole comprises a first through hole, a second through hole and a third through hole which are sequentially communicated, the first through hole accommodates the limiting needle, the second through hole accommodates the movable block and the elastic piece, and the third through hole accommodates the insert needle.
4. The inverted anti-sticking pitched roof mechanism of claim 3, wherein: the oblique kicking block include main part and detachably install in the briquetting of main part, first through-hole set up in the briquetting, second through-hole and third through-hole set up in the main part.
5. The inverted anti-sticking pitched roof mechanism of claim 1, wherein: the elastic piece is a compression spring.
6. The inverted anti-sticking pitched roof mechanism of claim 1, wherein: the inclined ejector seat is provided with a sliding groove, and the lower end of the inclined ejector rod is slidably arranged in the sliding groove.
7. An injection mold, its characterized in that: the reverse-buckling anti-sticking oblique ejection mechanism comprises a front die, a rear die, an ejector pin panel and the oblique ejection mechanism as claimed in any one of claims 1 to 6, wherein the front die is arranged on the rear die, the rear die is provided with an accommodating cavity and an oblique through hole, the upper side of the accommodating cavity is communicated with a die cavity and is used for accommodating the oblique ejector block, the lower side of the accommodating cavity is communicated with the oblique through hole, the oblique ejector pin is slidably arranged in the oblique through hole, and the oblique ejector seat is fixed on the ejector pin panel; the inner wall of the containing cavity is provided with an ejection surface, and the ejection surface ejects one end of the ejector pin assembly when the inclined ejector seat ejects a product, so that the other end of the ejector pin assembly extends out and ejects the reverse buckle of the product.
8. The injection mold of claim 7, wherein: the rear die comprises a die core and a rear die plate arranged on the lower side of the die core, the rear die plate is provided with a containing hole, the inclined ejector rod penetrates through the containing hole, and a spring is arranged in the containing hole.
9. The injection mold of claim 7, wherein: the injection mold further comprises a thimble base plate, and the thimble base plate is fixed on the lower side of the thimble panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022811756.8U CN213972400U (en) | 2020-11-27 | 2020-11-27 | Back-off anti-sticking angle ejection mechanism and injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022811756.8U CN213972400U (en) | 2020-11-27 | 2020-11-27 | Back-off anti-sticking angle ejection mechanism and injection mold |
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| CN213972400U true CN213972400U (en) | 2021-08-17 |
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| CN202022811756.8U Active CN213972400U (en) | 2020-11-27 | 2020-11-27 | Back-off anti-sticking angle ejection mechanism and injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024295A1 (en) * | 2021-08-25 | 2023-03-02 | 浙江凯华模具有限公司 | Angle ejector and pogo pin linkage mechanism |
-
2020
- 2020-11-27 CN CN202022811756.8U patent/CN213972400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024295A1 (en) * | 2021-08-25 | 2023-03-02 | 浙江凯华模具有限公司 | Angle ejector and pogo pin linkage mechanism |
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