CN209937528U - Injection mold is used in return bend production - Google Patents
Injection mold is used in return bend production Download PDFInfo
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- CN209937528U CN209937528U CN201920405071.8U CN201920405071U CN209937528U CN 209937528 U CN209937528 U CN 209937528U CN 201920405071 U CN201920405071 U CN 201920405071U CN 209937528 U CN209937528 U CN 209937528U
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Abstract
The utility model discloses an injection mold for producing bent pipes, which comprises an upper template, an upper mold core, a lower template, a lower mold core, a first core-pulling mechanism and a second core-pulling mechanism, wherein a cavity for forming the bent pipes is formed between the upper mold core and the lower mold core; the first core pulling mechanism comprises an inclined guide post arranged on the upper template and a first sliding block connected to the lower template in a sliding manner, and the first sliding block is provided with an flaring core and an inclined guide post hole; the second core pulling mechanism comprises a rotating shaft vertically penetrating through the lower template and a second sliding block connected to the lower template in a sliding mode, an arc-shaped main body core is arranged on the second sliding block, the second sliding block is fixedly connected with the rotating shaft, a toothed ring is arranged on the outer peripheral face of the lower end of the rotating shaft, a rack and a gear located between the rack and the toothed ring are arranged below the lower template, the gear is meshed with the toothed ring and the rack respectively, and a core pulling oil cylinder connected with the rack is arranged on the side portion of the lower template. The utility model relates to an injection mold is used in return bend spare production, its is rational in infrastructure to can make the product can the demolding smoothly after the shaping.
Description
Technical Field
The utility model relates to an injection mold is used in return bend spare production.
Background
At present, a bent pipe part is usually arranged between a dust suction head and a handle of the dust collector, the bent pipe part can connect the dust suction head and the handle together, and the bent pipe part is formed by injection molding through an injection mold. In injection molding, a core-pulling mechanism needs to be arranged according to the structure of the bent pipe fitting, and the mold core is taken out in a core-pulling mode after the bent pipe fitting is molded.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an injection mold is used in return bend spare production, its is rational in infrastructure, through setting up the first mechanism of loosing core and the mechanism of loosing core of second to make the product can the demolding smoothly after the shaping.
In order to achieve the purpose, the technical scheme of the utility model is to design an injection mold for producing a bent pipe fitting, wherein the bent pipe fitting comprises an arc-shaped main body and a flaring arranged at one end of the arc-shaped main body; the injection mold comprises an upper mold, a lower mold, a first core-pulling mechanism and a second core-pulling mechanism, wherein the upper mold comprises an upper template and an upper mold core arranged on the upper template, the lower mold comprises a lower template and a lower mold core arranged on the lower template, and a cavity for molding the bent pipe fitting is formed between the upper mold core and the lower mold core; the first core pulling mechanism comprises an inclined guide post arranged at the bottom of the upper template and a first sliding block connected to the top of the lower template in a sliding manner, a flaring core capable of extending into the cavity is arranged on the first sliding block, and the first sliding block is provided with an inclined guide post hole for inserting the inclined guide post; the second mechanism of loosing core is including wearing to locate the pivot of lower bolster and the second slider of sliding connection at the lower bolster top perpendicularly, be equipped with the arc main part core that can stretch into the die cavity on the second slider, this second slider passes through the upper end fixed connection of connecting block with the pivot, be equipped with the ring gear on the lower extreme outer peripheral face of pivot, the below of lower bolster is equipped with gear and rack, the gear is located between ring gear and the rack, and the gear meshes with ring gear and rack respectively mutually, the lateral part of lower bolster is equipped with the hydro-cylinder of loosing core, this hydro-cylinder's of loosing core piston rod and rack fixed connection.
Preferably, the center of the circle where the arc-shaped main body core is located is on the central axis of the rotating shaft.
Preferably, the core-pulling oil cylinder is installed on the side of the lower template through an oil cylinder fixing seat.
Preferably, a first mounting groove is formed in the inner side of the first sliding block, a first insert is arranged in the first mounting groove, and the flaring core is fixedly connected with the first insert; and a second mounting groove is formed in the inner side of the second sliding block, a second insert is arranged in the second mounting groove, and the arc-shaped main body core is fixedly connected with the second insert.
Preferably, the first insert and the second insert are both copper blocks.
The utility model has the advantages and the beneficial effects that: the first core-pulling mechanism and the second core-pulling mechanism are arranged, so that a product can be smoothly demoulded after being formed. When the mould is opened, first slider is to the direction motion of keeping away from the die cavity under the effect of oblique guide pillar, thereby drive the flaring core and take out from the flaring of product, treat that the flaring core takes out the back completely, the piston rod that starts the hydro-cylinder of loosing core stretches out, drive rack motion by the piston rod, the rack drives the counter-clockwise rotation of gear, the gear passes through the ring gear and drives pivot clockwise rotation, the pivot passes through the connecting block and drives the second slider to the direction rotation of keeping away from the die cavity, thereby it takes out from the arc main part of product to drive arc main part core, treat that the arc main part core takes out the back alright. In addition, the flaring core and the arc main body core are respectively connected to the first insert and the second insert, and the first insert and the second insert are both copper blocks with high heat conductivity, so that the cooling effect on the flaring core and the arc main body core is enhanced, and the injection molding period is favorably shortened.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the first slider in the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The utility model discloses the technical scheme who specifically implements is:
as shown in fig. 1 and 2, an injection mold for producing an elbow fitting includes an arc-shaped main body and a flare provided at one end of the arc-shaped main body; the injection mold comprises an upper mold, a lower mold, a first core-pulling mechanism and a second core-pulling mechanism, wherein the upper mold comprises an upper template and an upper mold core arranged on the upper template, the lower mold comprises a lower template 1 and a lower mold core arranged on the lower template 1, and a cavity for molding the bent pipe fitting is formed between the upper mold core and the lower mold core; the first core pulling mechanism comprises an inclined guide post arranged at the bottom of the upper template and a first sliding block 2 connected to the top of the lower template 1 in a sliding manner, a flaring core 3 capable of extending into the cavity is arranged on the first sliding block 2, and the first sliding block 3 is provided with an inclined guide post hole 4 for inserting the inclined guide post; the second mechanism of loosing core is including wearing to locate the pivot 5 of lower bolster 1 perpendicularly and the second slider 6 of sliding connection at 1 top of lower bolster, be equipped with the arc main part core 7 that can stretch into the die cavity on the second slider 6, this second slider 6 passes through the upper end fixed connection of connecting block 8 with pivot 5, be equipped with the ring gear on the lower extreme periphery of pivot 5, the below of lower bolster 1 is equipped with gear 9 and rack 10, gear 9 is located between ring gear 10 and the rack, and gear 9 meshes with ring gear and rack 10 respectively mutually, the lateral part of lower bolster 1 is equipped with the hydro-cylinder 11 of loosing core, this piston rod and the rack 10 fixed connection of hydro-cylinder 11 of loosing core.
The center of the circle of the arc-shaped main body core 7 is on the central axis of the rotating shaft 5.
The core-pulling oil cylinder 11 is installed on the side of the lower template 1 through an oil cylinder fixing seat 12.
A first mounting groove is formed in the inner side of the first sliding block 2, a first insert 13 is arranged in the first mounting groove, and the flaring core 3 is fixedly connected with the first insert 13; a second mounting groove is formed in the inner side of the second sliding block 6, a second insert is arranged in the second mounting groove, and the arc-shaped main body core 7 is fixedly connected with the second insert.
The first insert 13 and the second insert are both copper blocks.
The utility model has the advantages and the beneficial effects that: the first core-pulling mechanism and the second core-pulling mechanism are arranged, so that a product can be smoothly demoulded after being formed. When the mould is opened, first slider 2 is to the direction motion of keeping away from the die cavity under the effect of oblique guide pillar, thereby drive flaring core 3 and take out from the flaring of product, treat that flaring core 3 takes out the back completely, the piston rod that starts hydro-cylinder 11 of loosing core stretches out, drive rack 10 by the piston rod and move, rack 10 drives gear 9 anticlockwise rotation, gear 9 drives pivot 5 clockwise rotation through the ring gear, pivot 5 drives second slider 6 through connecting block 8 and rotates to the direction of keeping away from the die cavity, thereby drive arc main part core 7 and take out from the arc main part of product, treat that arc main part core 7 takes out the back alright take out the product completely. In addition, the flaring core 3 and the arc main body core 7 are respectively connected to the first insert block 13 and the second insert block, and the first insert block 13 and the second insert block are both copper blocks with high heat conductivity, so that the cooling effect on the flaring core 3 and the arc main body core 7 is enhanced, and the injection molding period is favorably shortened.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. An injection mold for producing a bent pipe fitting is characterized in that the bent pipe fitting comprises an arc-shaped main body and a flaring arranged at one end of the arc-shaped main body; the injection mold comprises an upper mold, a lower mold, a first core-pulling mechanism and a second core-pulling mechanism, wherein the upper mold comprises an upper template and an upper mold core arranged on the upper template, the lower mold comprises a lower template and a lower mold core arranged on the lower template, and a cavity for molding the bent pipe fitting is formed between the upper mold core and the lower mold core; the first core pulling mechanism comprises an inclined guide post arranged at the bottom of the upper template and a first sliding block connected to the top of the lower template in a sliding manner, a flaring core capable of extending into the cavity is arranged on the first sliding block, and the first sliding block is provided with an inclined guide post hole for inserting the inclined guide post; the second mechanism of loosing core is including wearing to locate the pivot of lower bolster and the second slider of sliding connection at the lower bolster top perpendicularly, be equipped with the arc main part core that can stretch into the die cavity on the second slider, this second slider passes through the upper end fixed connection of connecting block with the pivot, be equipped with the ring gear on the lower extreme outer peripheral face of pivot, the below of lower bolster is equipped with gear and rack, the gear is located between ring gear and the rack, and the gear meshes with ring gear and rack respectively mutually, the lateral part of lower bolster is equipped with the hydro-cylinder of loosing core, this hydro-cylinder's of loosing core piston rod and rack fixed connection.
2. The injection mold for producing a bent pipe fitting according to claim 1, wherein the center of the circle in which the arc-shaped main body core is located is on the central axis of the rotating shaft.
3. The injection mold for producing the bent pipe fitting according to claim 2, wherein the core-pulling oil cylinder is installed on the side portion of the lower template through an oil cylinder fixing seat.
4. The injection mold for producing the bent pipe fitting according to claim 3, wherein a first mounting groove is formed inside the first slide block, a first insert block is arranged in the first mounting groove, and the flaring core is fixedly connected with the first insert block; and a second mounting groove is formed in the inner side of the second sliding block, a second insert is arranged in the second mounting groove, and the arc-shaped main body core is fixedly connected with the second insert.
5. The injection mold for producing a bent pipe according to claim 4, wherein the first insert block and the second insert block are both copper blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920405071.8U CN209937528U (en) | 2019-03-28 | 2019-03-28 | Injection mold is used in return bend production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920405071.8U CN209937528U (en) | 2019-03-28 | 2019-03-28 | Injection mold is used in return bend production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209937528U true CN209937528U (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920405071.8U Active CN209937528U (en) | 2019-03-28 | 2019-03-28 | Injection mold is used in return bend production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209937528U (en) |
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2019
- 2019-03-28 CN CN201920405071.8U patent/CN209937528U/en active Active
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