CN214562372U - Rotational molding die structure of fixed pre-buried mold insert of magnet absorption formula - Google Patents
Rotational molding die structure of fixed pre-buried mold insert of magnet absorption formula Download PDFInfo
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- CN214562372U CN214562372U CN202120598246.9U CN202120598246U CN214562372U CN 214562372 U CN214562372 U CN 214562372U CN 202120598246 U CN202120598246 U CN 202120598246U CN 214562372 U CN214562372 U CN 214562372U
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Abstract
The utility model belongs to the technical field of the mould, concretely relates to magnet adsorbs rotational moulding mould structure of fixed pre-buried mold insert of formula, including the mould body, still include pre-buried mold insert and be used for adsorbing the magnet that is fixed in on the mould body with pre-buried mold insert; magnet sets firmly in the mould body, 2 ~ 5mm in the interval between magnet and the pre-buried mold insert. The rotational molding die structure aims at iron or other magnetic metal embedded inserts, and the embedded inserts are adsorbed and fixed through magnets arranged in the die, so that quick installation and quick disassembly can be realized, and the operation time is reduced; the magnet and the embedded insert are not in direct adsorption contact by arranging the interval between the magnet and the embedded insert, so that the surface of the magnet is protected from being damaged, and the adsorption force between the magnet and the embedded insert can be adjusted to ensure moderate suction force; not only can ensure that the embedded insert is fixed and does not fall off in the rotational molding process, but also can ensure that the demolding and disassembling process of the product is not laborious.
Description
Technical Field
The utility model belongs to the technical field of the mould, concretely relates to fixed pre-buried mold insert's of magnet absorption formula rotational moulding mould structure.
Background
The rotational molding product belongs to a hollow plastic product, and the rotational molding product and other plastic products or metal products are connected and assembled and often need to be connected and fixed through an insert. Therefore, various metal inserts are required to be embedded in the rotational molding product, and various mold structures of the embedded inserts are required to be manufactured on the corresponding rotational molding mold.
In the rotational molding production technology at present, the embedded insert is generally fixed by threaded connection, in the process of installing or dismantling the embedded insert, a thread with a certain length needs to be screwed in or out completely by a hand or an electric wrench, the screwed-out threaded rod needs to be separated from the mold body and placed on an operation table, the threaded rod is placed into the mold body during installation, and the thread is screwed in the embedded insert and fixed. The installation and the dismantlement of the embedded mold insert of the existing rotational molding production process generally adopt manual operation, the operation process of workers is relatively complicated, the required time is long, the production efficiency is lower, and the labor intensity is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above-mentioned problem that exists among the prior art, provide a fixed pre-buried mold insert's of magnet absorption formula rotational moulding mould structure, to iron system or other pre-buried mold inserts that have magnetism, adopt the fixed pre-buried mold insert of magnet absorption's mode, realize that the quick installation of pre-buried mold insert is fixed and dismantle fast in the rotational moulding production technology to save operating time, improve production efficiency.
The technical scheme of the utility model is that:
a magnet adsorption type rotational molding die structure for fixing a pre-embedded insert comprises a die body, the pre-embedded insert and a magnet for adsorbing and fixing the pre-embedded insert on the die body; the magnet is fixedly arranged in the die body, and the interval between the magnet and the embedded insert is 2-5 mm. The magnet and the embedded insert do not need to be directly adsorbed and contacted, so that the surface of the magnet is protected from being damaged, and the adsorption force between the magnet and the embedded insert can be adjusted to ensure moderate attraction force; therefore, the embedded inserts are fixed and do not fall off in the rotational molding process, and the demolding and detaching process of the products is not laborious.
Furthermore, the magnet is of a magnet type which is high-temperature resistant, has strong magnetic force, has demagnetization no more than 15% within 3 years and is not easy to oxidize; further, the selected magnet can resist the high temperature of more than 300 ℃, and preferably, the magnet is a SmCo samarium cobalt magnet. The magnet selected in the technical scheme has to resist the high temperature of more than 300 ℃ so as to adapt to common gas type rotational molding equipment or electric heating rotational molding equipment; the magnet has strong magnetic force, and the demagnetization does not exceed 15% within 3 years and is not easy to oxidize and corrode for a long time; according to the two conditions, the magnet needs to be a SmCo samarium cobalt magnet or other magnets with higher performance than the SmCo samarium cobalt magnet.
Further, the embedded inserts are iron or other magnetic metal embedded inserts; a partition plate is arranged between the magnet and the embedded insert, and the thickness of the partition plate is 2-5 mm. The magnet and the embedded insert can be separated by aluminum or copper materials, and the distance between the magnet and the embedded insert is preferably 2-5 mm.
Further, the embedded insert comprises an embedded three-dimensional insert and an embedded sheet-type insert.
Further, the embedded three-dimensional insert comprises any one of an embedded threaded insert, an embedded square insert and an embedded circular insert.
Furthermore, the rotational molding die structure also comprises a central positioning column penetrating through the magnet and the die body; one end, located on the inner side of the die body, of the central positioning column is fixedly connected with the embedded insert, and one end, located on the outer side of the die body, of the central positioning column is provided with a nut; and a partition plate is arranged between the nut and the magnet.
Further, the embedded sheet type insert comprises an embedded iron gasket.
Further, the rotational molding die structure still includes first copper filler and second copper filler, magnet install in the second copper filler, pre-buried iron gasket fixed mounting be in on the second copper filler, 2 ~ 5mm in interval between magnet and the pre-buried iron gasket.
Furthermore, the material of the partition board is aluminum or copper.
The utility model has the advantages that:
(1) the utility model provides a fixed pre-buried mold insert's of magnet absorption formula rotational moulding mould structure utilizes magnet can adsorb the principle of iron system or other magnetizable materials, through setting up the magnet in the mould, adsorbs fixed pre-buried mold insert, is different from the mould structure that needs artifical installation or dismantle pre-buried mold insert among the current technology, can realize that the quick installation of pre-buried mold inserts such as iron system class is fixed and quick dismantlement in the rotational moulding production technology.
(2) The magnet and the embedded insert are not in direct adsorption contact by arranging the interval between the magnet and the embedded insert, so that the surface of the magnet is protected from being damaged, and the adsorption force between the magnet and the embedded insert can be adjusted to ensure moderate suction force; not only can ensure that the embedded insert is fixed and does not fall off in the rotational molding process, but also can ensure that the demolding and disassembling process of the product is not laborious.
(3) The utility model discloses to iron system or other metal embedded inserts that have magnetism, can realize quick installation, dismantle fast, reduce operating time, save the cost of labor when improving production efficiency, and then increased economic benefits.
Drawings
Fig. 1 is a sectional view of a structure of a rotational molding die for fixing a pre-buried threaded insert in a magnet adsorption manner, which is provided in embodiment 1 of the present invention;
fig. 2 is a sectional view of a rotational molding die structure of a magnet adsorption type filler neck pre-embedded iron gasket provided in embodiment 2 of the present invention;
fig. 3 is a structural view of a rotational molding die for a magnet adsorption type filler neck pre-embedded iron gasket provided in embodiment 2 of the present invention;
fig. 4 is a structural diagram of a pre-buried iron gasket provided in embodiment 2 of the present invention;
fig. 5 is a structural diagram of an arc-shaped magnet according to embodiment 2 of the present invention;
in the above figures, 1, a mold body; 2. a central positioning column; 3. pre-embedding a threaded insert; 4. a magnet; 5. an aluminum pressing plate; 6. a nut; 7. pre-burying an iron gasket; 8. an arc-shaped magnet; 9. a first copper filler port; 10. a second copper fill port.
Detailed Description
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and in the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "one end", "inner side", "outer side", etc. indicate the position or position relationship based on the drawings, and are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.
For a further understanding of the present invention, reference will be made to the following description taken in conjunction with the accompanying drawings and examples.
The structure and the installation steps in the drawings of the following embodiments are only two specific structure devices in the invention, and other structure schemes can also be adopted.
Example 1
The utility model relates to a magnet adsorption type rotational molding die structure for fixing a pre-embedded insert, which comprises a die body 1, a pre-embedded insert and a magnet 4 for adsorbing and fixing the pre-embedded insert on the die body 1; magnet 4 sets firmly in mould body 1, and 2 ~ 5mm are separated between magnet 4 and the pre-buried mold insert.
Among the above-mentioned rotational moulding mould structure, utilize the principle of magnet 4 absorption iron system or other magnetic material, through magnet 4 who sets up in the mould, adsorb and fix pre-buried mold insert, realize the quick installation of pre-buried mold insert fixed with dismantle fast. Meanwhile, a certain interval is arranged between the magnet 4 and the embedded insert, so that the magnet 4 and the embedded insert are not in direct adsorption contact, the surface of the magnet 4 is protected from being damaged, and the adsorption force between the magnet 4 and the embedded insert can be adjusted to ensure moderate suction force; not only can ensure that the embedded insert is fixed and does not fall off in the rotational molding process, but also can ensure that the demolding and disassembling process of the product is not laborious.
As shown in fig. 1, in this embodiment, the embedded insert is an embedded threaded insert 3, that is, the embodiment is a rotational molding mold structure of a magnet adsorption type fixed embedded threaded insert 3. The structure also comprises a central positioning column 2 which penetrates through the magnet 4 and the die body 1; the end of the central positioning column 2, which is positioned on the inner side of the die body 1, is fixedly connected with the embedded insert, and the end, which is positioned on the outer side of the die body 1, is provided with a nut 6.
It can be understood that, in order to fix the embedded threaded insert 3, the central positioning column 2 is adopted to fix the embedded threaded insert 3 in the embodiment; one end of the central positioning column 2 penetrates through the mold and a magnet 4 arranged in the mold and extends into the mold body 1 for a certain distance, one end of the central positioning column 2 extending into the mold body 1 is fixedly connected with the embedded thread insert 3, the embedded thread insert 3 is sleeved on the central positioning column 2, and the embedded thread insert 3 is fixed through the central positioning column 2, so that the embedded thread insert 3 can be prevented from shaking; the central positioning column 2 is arranged at one end of the outside of the die body 1, a nut 6 is arranged on the end, and the central positioning column 2 is fixed through the nut 6. The material for manufacturing the central positioning column 2 is copper material.
In order to prevent the magnet 4 from generating adsorption with objects outside the mold and causing interference to the production process, a partition plate for blocking magnetism is arranged between the nut 6 and the magnet 4; the material of the partition board is aluminum or copper. In this embodiment, the aluminum pressing plate 5 is used as a partition plate for blocking the magnetic force adsorption of the magnet 4.
In this embodiment, set up certain interval between pre-buried screw thread mold insert 3 and the magnet 4, the distance is 2 ~ 5 mm. This interval department can adopt baffle that material of nearly non-magnetism nature such as aluminium or copper made to carry out the interval, also can be when magnet 4 is put into the mould, through the separation of certain interval of mould body 1 self formation between magnet 4 and pre-buried screw thread mold insert 3.
It should be noted that, in the embodiment, an iron or other magnetic metal embedded insert is adopted; in the actual production process, the magnetic size of the magnet 4 for adsorbing and fixing the embedded insert and the adsorption force between the embedded insert and the magnet 4 are very important, so the type of the magnet 4 needs to be carefully selected, and the magnet 4 needs to be a type which can resist the high temperature of more than 300 ℃, has strong magnetic force, has demagnetization within 3 years of not more than 15 percent and is not easy to oxidize and corrode for a long time; preferably, the magnet 4 is a SmCo samarium cobalt magnet. Of course, one skilled in the art may select other magnets 4 having comparable or superior performance to SmCo samarium cobalt magnets, so long as they perform the same function.
The installation step of the fixed pre-buried screw thread mold insert's of magnet absorption formula that this embodiment provided rotational moulding mould structure is as follows:
(1) selecting a needed high-temperature resistant magnet 4, arranging a counter bore with the size and the shape consistent with those of the selected magnet 4 on the die body 1, and putting the magnet 4 into the die hole;
(2) pressing an aluminum pressing plate 5 with a certain thickness against the magnet 4, and fixedly welding the aluminum pressing plate 5 and the die body 1;
(3) the central positioning column 2 penetrates through the die body 1 and the magnet 4, then penetrates through the aluminum pressing plate 5 and is fixed by the nut 6;
(4) before production begins, the embedded thread insert 3 is clamped on the positioning column, and the embedded thread insert 3 is tightly attached to the surface of the mold under the action of the suction force of the magnet 4, so that fixation can be firm.
Example 2
The utility model relates to a magnet adsorption type rotational molding die structure for fixing a pre-embedded insert, which comprises a die body 1, the pre-embedded insert and a magnet for adsorbing and fixing the pre-embedded insert on the die body 1; magnet sets firmly in mould body 1, and the interval is 2 ~ 5mm between magnet and the pre-buried mold insert.
Among the above-mentioned rotational moulding mould structure, utilize the principle of magnet absorption iron system or other magnetic material, through the magnet that sets up in the mould, adsorb and fix pre-buried mold insert, realize the quick erection fixation and the quick dismantlement of pre-buried mold insert. Meanwhile, a certain interval is arranged between the magnet and the embedded insert, so that the magnet and the embedded insert are not in direct adsorption contact, the surface of the magnet is protected from being damaged, and the adsorption force between the magnet and the embedded insert can be adjusted to ensure moderate suction force; not only can ensure that the embedded insert is fixed and does not fall off in the rotational molding process, but also can ensure that the demolding and disassembling process of the product is not laborious.
As shown in fig. 2 to 5, in the present embodiment, the embedded insert is an embedded iron gasket 7, that is, the present embodiment is a rotational molding mold structure of the embedded iron gasket 7 of the magnet adsorption type filler neck.
In the embodiment, the rotational molding die structure further comprises a first copper filling port 9 and a second copper filling port 10, the magnet is installed in the second copper filling port 10, the embedded iron gasket 7 is fixedly installed on the second copper filling port 10, and the magnet and the embedded iron gasket 7 are spaced by 2-5 mm. The pre-buried iron gasket 7 in this embodiment sets up for the annular, because the utility model discloses the shape of well selected magnet is selected according to the shape of pre-buried mold insert, so corresponding, in this embodiment, the magnet of chooseing for use is arc magnet 8, according to production actual need, can adopt a plurality of arc magnet 8, and its quantity does not do the restriction here.
In practical application, according to the shape of the arc magnet 8, an arc-shaped groove which is consistent with the size and the shape of the arc magnet 8 is formed in the first copper filling port 9, the arc magnet 8 is installed in the arc-shaped groove, the arc magnet 8 is fixedly pressed by the first copper filling port 9 and the second copper filling port 10, the embedded iron gasket 7 is clamped on the second copper filling port 10, and the position of the embedded iron gasket is spaced from the arc magnet 8 by 2-5 mm.
It can be understood that, in this embodiment, set up 2 ~ 5 mm's interval between pre-buried iron gasket 7 and the arc magnet 8, this interval department can adopt baffle that nearly nonmagnetic material such as aluminium or copper was made to carry out the interval, also can be when magnet is put into the mould, through the separation of mould body 1 itself formation certain interval between magnet and pre-buried screw thread mold insert 3.
It should be noted that, in this embodiment, the embedded iron gasket 7 is adopted; in the actual production process, the magnetic size of the magnet for adsorbing and fixing the embedded iron gasket 7 and the adsorption force between the embedded iron gasket 7 and the magnet are very important, so the type of the arc magnet 8 needs to be carefully selected, and the arc magnet 8 needs to be a type which can resist the high temperature of more than 300 ℃, has strong magnetic force, has no more than 15% of demagnetization within 3 years and is not easy to oxidize and corrode for a long time; preferably, the arc magnet 8 is a SmCo samarium cobalt magnet. Of course, one skilled in the art may select other arc magnets 8 having comparable or superior performance to SmCo samarium cobalt magnets, so long as they perform the same function.
The installation steps of the rotational molding die structure of the embedded iron gasket 7 of the magnet adsorption type filler neck provided by the embodiment are as follows:
(1) selecting a needed high-temperature-resistant arc magnet 8, arranging an arc-shaped groove with the size and the shape consistent with those of the selected magnet on a second copper filling port 10 of the die body 1, and placing the magnet into the arc-shaped groove of the copper filling port;
(2) fixedly pressing the arc-shaped magnet 8 by utilizing a first copper filling port 9 and a second copper filling port 10;
(3) before production begins, the embedded iron gasket 7 is clamped on the second copper filling port 10 and clings to the surface of the copper block under the action of the attraction force of the magnet, and fixation can be firm.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or amendment made without departing from the spirit of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A magnet adsorption type rotational molding die structure for fixing a pre-embedded insert comprises a die body, and is characterized by also comprising a pre-embedded insert and a magnet for adsorbing and fixing the pre-embedded insert on the die body; the magnet is fixedly arranged in the die body, and the interval between the magnet and the embedded insert is 2-5 mm.
2. The rotational molding die structure of fixed pre-buried mold insert of a magnet absorption formula of claim 1, characterized in that, magnet chooses for use high temperature resistant, have stronger magnetic force and 3 years demagnetization and do not exceed 15%, difficult oxidation's magnet type.
3. The rotational molding die structure of the magnet adsorption type fixed embedded insert according to claim 2, wherein the magnet is selected to resist a high temperature of more than 300 ℃.
4. The rotational molding mold structure of fixed pre-buried mold insert of magnet absorption formula of claim 3, characterized in that, magnet is SmCo samarium cobalt magnet.
5. The rotational molding die structure for fixing the embedded inserts in a magnet adsorption manner according to claim 1, wherein the embedded inserts are iron or other magnetic metal embedded inserts; a partition plate is arranged between the magnet and the embedded insert, and the thickness of the partition plate is 2-5 mm.
6. The rotational molding mold structure for fixing the embedded insert in a magnet adsorption manner according to claim 1, wherein the embedded insert is of a shape type including an embedded three-dimensional insert and an embedded sheet-type insert.
7. The rotational molding die structure for fixing the embedded insert in a magnet adsorption manner according to claim 6, wherein the embedded three-dimensional insert comprises any one of an embedded threaded insert, an embedded square insert and an embedded circular insert; the embedded sheet type insert comprises an embedded iron gasket.
8. The rotational molding die structure for fixing the embedded insert in a magnet adsorption manner according to claim 7, further comprising a central positioning column penetrating through the magnet and the die body; one end, located on the inner side of the die body, of the central positioning column is fixedly connected with the embedded insert, and one end, located on the outer side of the die body, of the central positioning column is provided with a nut; and a partition plate is arranged between the nut and the magnet.
9. The rotational molding die structure of fixed pre-buried mold insert of magnet absorption formula of claim 7, characterized in that, the rotational molding die structure still includes first copper filler and second copper filler, magnet install in the second copper filler, pre-buried iron gasket fixed mounting is on the second copper filler, the interval between magnet and the pre-buried iron gasket is 2 ~ 5 mm.
10. The rotational molding mold structure with the magnet-adsorption type embedded insert fixed according to any one of claims 5 or 8, wherein the partition plate is made of aluminum or copper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120598246.9U CN214562372U (en) | 2021-03-24 | 2021-03-24 | Rotational molding die structure of fixed pre-buried mold insert of magnet absorption formula |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120598246.9U CN214562372U (en) | 2021-03-24 | 2021-03-24 | Rotational molding die structure of fixed pre-buried mold insert of magnet absorption formula |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008702A (en) * | 2022-06-27 | 2022-09-06 | 广州海天塑胶有限公司 | Die set |
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2021
- 2021-03-24 CN CN202120598246.9U patent/CN214562372U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008702A (en) * | 2022-06-27 | 2022-09-06 | 广州海天塑胶有限公司 | Die set |
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