CN216860566U - Rotary plastic suction type mold - Google Patents
Rotary plastic suction type mold Download PDFInfo
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- CN216860566U CN216860566U CN202122614983.6U CN202122614983U CN216860566U CN 216860566 U CN216860566 U CN 216860566U CN 202122614983 U CN202122614983 U CN 202122614983U CN 216860566 U CN216860566 U CN 216860566U
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Abstract
The utility model provides a rotary plastic suction type die, which comprises a central shaft, and is characterized in that a ventilating forming die, an intermediate die and a die holder are sleeved on the central shaft from top to bottom, wherein: the air-permeable forming die is a first disc with an upward bulge in the middle, a plurality of upward-bulge radial ribs are arranged on the disc surface of the first disc at intervals, a plurality of upward-concave air grooves are arranged on the outer side of the disc bottom at intervals, and the inner side of each air groove is communicated with an air suction pipe arranged in the middle shaft through a corresponding radial upper air passage; the middle die is set as a second disc, a plurality of radial lower air passages matched with the radial air passages on the air-permeable forming die are arranged on the disc surface of the second disc at intervals, the upper air passages are set as long strip-shaped grooves with downward notches, the lower air passages are set as long strip-shaped grooves with upward notches, the corresponding upper air passages and the corresponding lower air passages are matched to form a circular air passage, the inner end of the circular air passage is communicated with the inner end of an air suction pipe arranged in the middle shaft, and the outer end of the circular air passage is communicated with an air groove at the bottom of the air-permeable forming die disc. Is convenient for molding.
Description
Technical Field
The utility model relates to a mold, in particular to a rotary plastic suction type mold which can be used for processing plastic products such as rubber tapping rain caps and the like of rubber trees, and belongs to the technical field of mold design and manufacture.
Background
When processing plastic products with annular structures, such as rubber tapping rain caps, and the like, a circular mold is mainly used for injection molding, and the plastic products are molded by pressing an upper mold and a lower mold. Traditional upper and lower mould need have a large amount of spare parts to match with it for normal operating, and these spare parts are not only complicated in structure, and whole post assembling is bulky moreover, need occupy a large amount of factory building spaces. In addition, the complex structure also causes the reliability of the equipment to be reduced, the repair rate and the maintenance difficulty are increased along with the time, and the investment and the burden are increased for enterprises. There is therefore a need for improvements in the prior art.
Disclosure of Invention
The utility model provides a rotary plastic suction type mold, which aims to solve the problems that the existing injection mold is complex in structure, poor in reliability, numerous in parts, large in occupied space and the like due to the fact that an upper mold structure and a lower mold structure are adopted.
The utility model is completed by the following technical scheme: the utility model provides a rotatory plastic uptake formula mould, it includes the axis, its characterized in that axis is last from top to bottom to be equipped with ventilative moulded die, intermediate die and die holder, wherein: the air-permeable forming die is a first disc with an upward bulge in the middle, a plurality of upward-bulge radial ribs are arranged on the disc surface of the first disc at intervals, a plurality of upward-concave air grooves are arranged on the outer side of the disc bottom at intervals, and the inner side of each air groove is communicated with an air suction pipe arranged in the middle shaft through a corresponding radial upper air passage; the middle mold is set as the second disc, several radial lower air passages matched with the radial air passages in the air permeable mold are set separately in the disc surface of the second disc, the upper air passages are set as long grooves with downward notches and the lower air passages are set as long grooves with upward notches, corresponding upper and lower air passages are matched to form circular air passages, the inner ends of the circular air passages are communicated with the inner end of the air sucking pipe inside the central shaft, the outer ends of the air sucking pipe are communicated with the air grooves in the bottom of the air permeable mold disc, and the outer end of the air sucking pipe is communicated with outer negative pressure air source.
A plurality of circles of upper half water channels are wound on the outer side of the bottom of the middle die along the circumferential direction of the disc, and water inlets of the upper half water channels are communicated with an upper water inlet channel arranged in the middle; the mold base is a third disc with a downward bulge at the center, a lower semi-water channel matched with the upper semi-water channel on the middle mold is arranged on the outer side of the disc surface of the third disc, a water inlet of the lower semi-water channel is communicated with a lower water inlet groove arranged in the middle, the corresponding upper semi-water channel is matched with the lower semi-water channel to form a circular water channel, the upper water inlet groove and the lower water inlet groove form a circular water inlet groove, a water inlet of the circular water channel is communicated with the circular water inlet groove, the circular water inlet groove is communicated with a water inlet pipe arranged in the middle shaft, a water outlet of the circular water channel is communicated with a circular water outlet groove positioned below the circular water inlet groove through an inner short pipe, and the circular water outlet groove is communicated with a water outlet pipe arranged in the middle shaft so as to convey cooling water into the circular water channel to cool the molded molten plastic product, the middle mold and the mold base.
The middle shaft is a vertical fixed shaft, the upper part and the lower part of the middle shaft are respectively sleeved with an upper bearing and a lower bearing, the air-permeable forming die, the middle die and the die holder are respectively provided with a vertical shaft hole matched with the middle shaft, and an upward bulge at the middle upper part of the air-permeable forming die and a downward bulge at the middle lower part of the die holder are respectively connected with the middle shaft through the upper bearing, the upper bearing seat, the lower bearing and the lower bearing seat so as to ensure that the air-permeable forming die, the middle die and the die holder can rotate along the middle shaft.
The utility model has the following advantages and effects: by adopting the scheme, the air passage and the air groove between the air-permeable forming die and the middle die generate negative pressure through the air suction pipe on the middle shaft, the molten plastic laid on the disk surface of the air-permeable forming die is adsorbed through the negative pressure suction force, meanwhile, the disk product with the convex ribs is formed, and in the forming process, cooling water is conveyed into the water groove and the water passage through the water inlet pipe and the water outlet pipe, so that the formed plastic product can be cooled and shaped through cooling the middle die and the die holder. The device has simplified traditional concave mould, terrace die structure, uses single mould just can accomplish the shaping of plastic products, has improved device reliability, practicality and shaping efficiency. Is an ideal plastic uptake device.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a longitudinal cross-sectional view of FIG. 1;
FIG. 4 is a view A-A of FIG. 1;
fig. 5 is a view B-B of fig. 1.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The utility model provides a rotary plastic-absorbing mold, which comprises a central shaft 6, wherein a breathable forming mold 2, a middle mold 3 and a mold seat 1 are sleeved on the central shaft 6 from top to bottom, as shown in figure 1, wherein:
the air-permeable forming die 2 is a first disc with an upward bulge 5 in the middle, a plurality of upward-bulged radial ribs 4 are arranged on the disc surface of the first disc at intervals, a plurality of upward-concave air grooves 14 are arranged on the outer side of the disc bottom at intervals, the inner side of each air groove 14 is communicated with an air suction pipe 10 arranged in a middle shaft 6 through a corresponding radial upper air passage 12, and the air-permeable forming die 2 is made of a common bakelite plate; the middle die 3 is a second disc, and a plurality of radial lower air passages 13 matched with the radial upper air passages 12 on the breathable forming die 2 are arranged on the disc surface of the second disc at intervals;
the upper air passage 12 is a long-strip-shaped groove with a downward notch, the lower air passage 13 is a long-strip-shaped groove with an upward notch, the corresponding upper air passage 12 and lower air passage 13 are matched and connected to form a circular air passage, the inner end of the circular air passage is communicated with the inner end of an air suction pipe 10 arranged in the middle shaft 6, and the outer end of the circular air passage is communicated with an air groove 14 at the bottom of the breathable forming die 2, as shown in fig. 3 and 4;
the outer end of the air suction pipe 10 is communicated with an external negative pressure air source, namely an air compressor, so that when the air permeable forming die 2, the middle layer 3 and the base 1 rotate along the central shaft 6 for a circle, the air suction pipe 10 is sequentially butted with a plurality of radial air passages 12, negative pressure can be generated through the corresponding radial air passages 12 and the air grooves 14, and then molten plastic objects laid on the first disc surface of the air permeable forming die 2 are subjected to adsorption forming.
A plurality of circles of upper half water channels 15 are wound on the outer side of the bottom of the middle die 3 along the circumferential direction of the disc, and water inlets of the upper half water channels 15 are communicated with an upper water inlet tank 8 arranged in the middle; the die holder 1 is a third disc with a downward bulge 7 at the center, a lower half water channel 16 matched with an upper half water channel 15 on the middle die 3 is arranged at the outer side of the disc surface of the third disc, a water inlet of the lower half water channel 16 is communicated with a lower water inlet channel 17 arranged at the middle part, a circular water channel is formed after the corresponding upper half water channel 15 is matched with the lower half water channel 16, the upper water inlet channel 8 and the lower water inlet channel 17 form a circular water inlet channel, the water inlet of the circular water channel is communicated with the circular water inlet channel, the circular water inlet channel is communicated with a water inlet pipe 19 arranged in the middle shaft 6, the water outlet of the circular water channel is communicated with a circular water outlet channel 22 arranged below the circular water inlet channel through an inner short pipe, the circular water outlet channel 22 is communicated with a water outlet pipe 20 arranged in the middle shaft 6, as shown in figure 3, so as to convey cooling water to the circular water channels 15 and 16 to cool the formed molten plastic product, the middle die 3 and the die holder 1.
The middle shaft 6 is a vertical fixed shaft, the upper part and the lower part of the middle shaft are respectively sleeved with an upper bearing 9 and a lower bearing 21, the air-permeable forming die 2, the middle die 3 and the die holder 1 are respectively provided with a vertical shaft hole matched with the middle shaft 6, and an upward bulge at the middle upper part of the air-permeable forming die 2 and a downward bulge at the middle lower part of the die holder 1 are respectively connected with the middle shaft 6 through the upper bearing 9, the upper bearing seat 11, the lower bearing 21 and the lower bearing seat 18, so that the air-permeable forming die 2, the middle die 3 and the die holder 1 can rotate along the middle shaft 6, as shown in fig. 3.
When the mold works, in the process of manually or mechanically driving the air-permeable forming mold 2, the intermediate mold 3 and the mold base 1 to rotate around the central shaft 6, the molten plastic strip C is flatly laid on the disk surface of the air-permeable forming mold 2, the air compressor is operated to enable the air suction pipe 10 in the central shaft 6, the upper air passage 12, the lower air passage 13 and the air groove 14 at the disk bottom of the air-permeable forming mold 2 to generate negative pressure, so that the flatly laid molten plastic strip C is tightly attached to the disk surface under the action of suction force and is formed into a disk with convex ribs, and meanwhile, cooling water is conveyed into the circular water channels 15 and 16 through the water inlet pipe 19, the water outlet pipe 20, the water inlet grooves 8 and 17 and the water outlet groove 22, so that the formed molten plastic product, the intermediate mold 3 and the mold base 1 are cooled and shaped finally.
Claims (4)
1. The utility model provides a rotatory plastic uptake formula mould, it includes the axis, its characterized in that axis is last from top to bottom to be equipped with ventilative moulded die, intermediate die and die holder, wherein: the air-permeable forming die is a first disc with an upward bulge in the middle, a plurality of upward-bulge radial ribs are arranged on the disc surface of the first disc at intervals, a plurality of upward-concave air grooves are arranged on the outer side of the disc bottom at intervals, and the inner side of each air groove is communicated with an air suction pipe arranged in the middle shaft through a corresponding radial upper air passage; the middle die is set as a second disc, a plurality of radial lower air passages matched with the radial air passages on the air-permeable forming die are arranged on the disc surface of the second disc at intervals, the upper air passages are set as long strip-shaped grooves with downward notches, the lower air passages are set as long strip-shaped grooves with upward notches, the corresponding upper air passages and the corresponding lower air passages are matched to form a circular air passage, the inner end of the circular air passage is communicated with the inner end of an air suction pipe arranged in the middle shaft, and the outer end of the circular air passage is communicated with an air groove at the bottom of the air-permeable forming die disc.
2. The rotary suction mold as recited in claim 1, wherein an outer end of said suction tube is in communication with an external source of suction.
3. The rotary plastic-absorbing mold according to claim 1, wherein a plurality of upper half water channels are wound around the outer side of the bottom of the middle mold along the circumferential direction of the circular disk, and water inlets of the upper half water channels are communicated with an upper water inlet tank arranged in the middle; the die holder is set as a third disc with a downward bulge at the center, a lower semi-water channel matched with the upper semi-water channel on the middle die is arranged on the outer side of the disc surface of the third disc, the water inlet of the lower semi-water channel is communicated with a lower water inlet groove arranged in the middle, the corresponding upper semi-water channel is matched with the lower semi-water channel to form a circular water channel, the upper water inlet groove and the lower water inlet groove form a circular water inlet groove, the water inlet of the circular water channel is communicated with the circular water inlet groove, the circular water inlet groove is communicated with a water inlet pipe arranged in the middle shaft, the water outlet of the circular water channel is communicated with a circular water outlet groove arranged below the circular water inlet groove through an inner short pipe, and the circular water outlet groove is communicated with a water outlet pipe arranged in the middle shaft.
4. The rotary plastic suction mold as claimed in claim 3, wherein the central shaft is a vertical fixed shaft, the upper and lower parts of the central shaft are respectively sleeved with an upper bearing and a lower bearing, the air-permeable forming mold, the intermediate mold and the mold base are respectively provided with vertical shaft holes matching with the central shaft, and an upward protrusion at the upper middle part of the air-permeable forming mold and a downward protrusion at the lower middle part of the mold base are respectively connected with the central shaft through the upper bearing, the upper bearing seat, the lower bearing and the lower bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122614983.6U CN216860566U (en) | 2021-10-28 | 2021-10-28 | Rotary plastic suction type mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122614983.6U CN216860566U (en) | 2021-10-28 | 2021-10-28 | Rotary plastic suction type mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216860566U true CN216860566U (en) | 2022-07-01 |
Family
ID=82125411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122614983.6U Active CN216860566U (en) | 2021-10-28 | 2021-10-28 | Rotary plastic suction type mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216860566U (en) |
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2021
- 2021-10-28 CN CN202122614983.6U patent/CN216860566U/en active Active
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