CN211683259U - Copper nut in-mold injection mold - Google Patents
Copper nut in-mold injection mold Download PDFInfo
- Publication number
- CN211683259U CN211683259U CN202020099901.1U CN202020099901U CN211683259U CN 211683259 U CN211683259 U CN 211683259U CN 202020099901 U CN202020099901 U CN 202020099901U CN 211683259 U CN211683259 U CN 211683259U
- Authority
- CN
- China
- Prior art keywords
- copper nut
- mounting hole
- bellying
- needle body
- inlay
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an injection mold in copper nut mould belongs to the automobile parts field of making. The utility model discloses a movable mould and cover half, form the cavity of moulding plastics between movable mould and the cover half, set up the mounting hole that supplies to inlay the needle installation at the bottom of the chamber of the cavity of moulding plastics, it includes the inlay needle body to inlay the needle, the one end that should inlay the needle body inserts in the above-mentioned mounting hole, and with the pre-buried magnet contact in the mounting hole, the other end that should inlay the needle body is provided with the bellying that is located outside the mounting hole, the axis of bellying coincides mutually with the axis of inlaying the needle body, the diameter of bellying is less than the diameter of inlaying the needle body, the surface of bellying is provided with the screw thread with copper nut matched with, copper nut's length equals with the length of this bellying, the one end of this copper nut is supported on the terminal surface of mounting hole, the other end. The utility model discloses a guarantee the product percent of pass when mainly used is adaptable batch production, improve production efficiency, reduction in production cost.
Description
Technical Field
The utility model belongs to the automobile parts field of making, more specifically say, relate to an injection mold in copper nut mould.
Background
In the automobile parts manufacturing industry at present, to the product of moulding plastics in the copper nut mould, use inlay needle external diameter and copper nut internal diameter tight fit to seal glue usually, do not have the rubber coating with the hole of inlaying needle external diameter cooperation part in order to guarantee copper nut, this kind of mode of sealing glue is high to inlaying needle external diameter and copper nut internal diameter required precision, the rubber coating phenomenon will appear in the error slightly, the disability rate is high, and increase along with the number of times of moulding plastics, inlay needle degree of wear increase, the disability rate can show to increase, and the product defective rate also can rise, so this kind of structure is unsuitable for batch injection moulding production, and to above-mentioned copper nut hole rubber coating phenomenon frequent, now mainly adopt artifical full inspection mode to guarantee the product qualification rate, the problem that exists is: on one hand, the efficiency is low, the cost is increased, and on the other hand, the product percent of pass can not be completely ensured.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved by the utility model
The utility model aims to overcome prior art's defect, provide an injection mold in copper nut mould, adopt the technical scheme of the utility model, guarantee the product percent of pass when adaptable batch production, improve production efficiency, reduction in production cost.
Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses an injection mold in copper nut mould, including movable mould and cover half with movable mould matched with, form the injection molding cavity between movable mould and the cover half, the mounting hole that supplies to inlay the needle installation is seted up at one chamber end of injection molding cavity, it includes inlays the needle body to inlay the needle, it is the cylinder structure to inlay the needle body, the one end of should inlaying the needle body inserts in the mounting hole, and with the pre-buried magnet contact in the mounting hole, the other end of should inlaying the needle body is provided with the bellying that is located outside the above-mentioned mounting hole and is the cylinder structure, the axis of this bellying coincides with the axis of inlaying the needle body, and the diameter of this bellying is less than the diameter of inlaying the needle body, the surface of bellying is provided with the screw thread that cooperates with the copper nut, the length of copper nut equals with the length of this bellying, the one end of this copper nut is supported on, the other end of the copper nut is not contacted with the other cavity bottom of the injection molding cavity.
Further, the length of the boss is equal to 3/4 the length of the copper nut.
Further, the insert pin is made of steel.
Further, the magnet is a neodymium iron boron magnet.
Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the utility model discloses an injection mold in copper nut mould guarantees the product percent of pass in the time of adaptable batch production, improves production efficiency, reduction in production cost.
(2) The utility model discloses an injection mold in copper nut mould, wherein, support on the terminal surface of mounting hole through the one end of copper nut to make this terminal surface can not wrapped by plastics, and then the bolt can cooperate with copper nut to screw up when making follow-up installation, simultaneously, through the other end of copper nut and the contactless at the bottom of another chamber of the cavity of moulding plastics, thereby make this terminal surface can be wrapped by plastics, and then can play insulating effect.
(3) The utility model discloses an injection mold in copper nut mould, wherein, the diameter through the bellying is less than this structural design of diameter of inlaying the needle body, can play spacing copper nut's effect for copper nut's installation location is convenient fast.
(4) The utility model discloses an injection mold in copper nut mould, wherein, this structural design of 3/4 that length through the bellying equals the length of copper nut can further improve insulating effect when guaranteeing that the length of bellying is not less than the effective thread length of copper nut, still makes the copper nut inseparabler with being connected of plastics product simultaneously.
(5) The utility model discloses an injection mold in copper nut mould, its structural design is reasonable, and the principle is simple, convenient to popularize and use.
Drawings
Fig. 1 is a schematic structural view of an in-mold injection mold for copper nuts of the present invention;
fig. 2 is a schematic structural view of the middle insert pin of the present invention.
The reference numerals in the schematic drawings illustrate:
01. a copper nut;
02. inserting a needle; 021. a needle body; 022. a boss portion;
03. mounting holes;
04. and (5) injection molding of the cavity.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example 1
Referring to fig. 1 and 2, the copper nut in-mold injection mold of the present embodiment includes a movable mold and a fixed mold matched with the movable mold, an injection cavity 04 is formed between the movable mold and the fixed mold, a mounting hole 03 for mounting an insert pin 02 is formed at a bottom of the injection cavity 04, the insert pin 02 includes an insert pin body 021, the insert pin body 021 is of a cylindrical structure, one end of the insert pin body 021 is inserted into the mounting hole 03 and contacts with a magnet embedded in the mounting hole 03, the other end of the insert pin body 021 is provided with a boss 022 located outside the mounting hole 03 and having a cylindrical structure, a central axis of the boss 022 coincides with a central axis of the insert pin body 021, a diameter of the boss 022 is smaller than a diameter of the insert pin body 021, an outer surface of the boss 022 is provided with a thread matched with the copper nut 01, a length of the copper nut 01 is equal to a length of the boss 022, one end of the copper nut 01 abuts against an end surface of the mounting hole 03, the other end of the copper nut 01 is not in contact with the other cavity bottom of the injection molding cavity 04.
It should be noted that: the outer surface of the convex part 022 of the utility model is provided with a thread which is matched with the copper nut 01, and the length of the protrusion 022 is consistent with that of the copper nut 01, so that the threads of the copper nut 01 can be completely screwed in, the encapsulation of the threads of the copper nut 01 is prevented, meanwhile, the phenomenon that the copper nut 01 falls off due to the fact that the copper nut 01 shakes on the convex part 022 can be avoided, in addition, the utility model can ensure that the end surface of the copper nut 01 is attached to the cavity surface and can be sealed by sealing glue by abutting one end of the copper nut 01 against the end surface of the mounting hole 03, thereby preventing the end surface from being covered by plastic, further, the bolt and the copper nut 01 can be matched and screwed up during subsequent installation, meanwhile, the other end of the copper nut 01 of the utility model is not contacted with the other cavity bottom of the injection molding cavity body 04, the end face of the copper nut 01 can be ensured not to be attached to the cavity surface, so that the end face can be wrapped by plastic, and an insulating effect can be achieved. It needs to be further explained that: the utility model discloses a diameter of bellying 022 is less than this structural design of diameter of inlaying needle body 021, can play spacing copper nut 01's effect for copper nut 01's installation location is convenient fast. It should be further noted that: the utility model discloses a fixed activity is inlayed needle 02 at the pre-buried magnet in bottom of mounting hole 03.
Specifically, in this embodiment: the length of the protrusion 022 is equal to 3/4 of the length of the copper nut 01. It should be noted that: the utility model discloses a this structural design of 3/4 that the length of bellying 022 equals the length of copper nut 01 can further improve insulating effect when guaranteeing that the length of bellying 022 is not less than the effective thread length of copper nut 01, still makes copper nut 01 inseparabler with being connected of plastic products simultaneously.
Specifically, in this embodiment: the insert pin 02 is made of steel, and the magnet is a neodymium iron boron magnet. It should be noted that: the utility model discloses a middle inlay pin 02 is made of steel material with higher magnetic conductivity, the magnet is made of neodymium iron boron magnet, the magnet is strong magnet, and the magnetism is high; the powerful magnetism of magnet passes through inlay needle body 021 and transmits boss 022, and the magnetic force that boss 022 produced adsorbs copper nut 01, further fixes copper nut 01, avoids it to appear the displacement deviation when moulding plastics.
Before injection molding, the copper nut 01 is firstly installed on the insert pin 02, specifically: screw up copper nut 01 on boss 022, and make the terminal surface of copper nut 01 support on the step face that boss 022 and inlay needle body 021 formed, then in installing the mounting hole 03 of needle 02 installation on the mould again, specifically do: the insert pin body 021 is inserted into the mounting hole 03 and contacts with a magnet pre-embedded in the mounting hole 03, and one end of the copper nut 01 is abutted to the end face of the mounting hole 03, namely, is attached to one cavity bottom of the injection molding cavity 04, and the other end of the copper nut 01 is not contacted with the other cavity bottom of the injection molding cavity 04, where it is explained that: the other cavity bottom of the injection molding cavity 04 is opposite to the mounting hole 03. And after the operation is finished, the injection molding is started, after the injection molding is finished, the insert pin 02 is removed from the mold together with the product, and finally the insert pin 02 is unscrewed from the copper nut 01.
The copper nut in-mold injection mold can adapt to batch production, meanwhile, the product percent of pass is guaranteed, the production efficiency is improved, the production cost is reduced, and the problems that in the prior art, the requirement of the original sealing adhesive structure on the size precision of the insert pin 02 and the copper nut 01 is strict, the service life is short, the product percent of pass cannot be guaranteed, and the like are solved. It should be added that: the utility model discloses can also detect whether qualified copper nut 01 thread production is whether through the cooperation of copper nut 01 thread and bellying 022 surface screw thread.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides an injection mold in copper nut mould which characterized in that: including the movable mould and with movable mould matched with cover half, form between movable mould and the cover half and mould plastics cavity (04), the mounting hole (03) that supplies to inlay needle (02) installation is seted up at the bottom of the chamber of cavity (04) of moulding plastics, inlay needle (02) including inlaying needle body (021), it is the cylinder structure to inlay needle body (021), the one end that should inlay needle body (021) inserts in above-mentioned mounting hole (03) to with the pre-buried magnet contact in mounting hole (03), the other end that should inlay needle body (021) is provided with and is located outside above-mentioned mounting hole (03) and be bellying (022) of cylinder structure, the axis of this bellying (022) coincides with the axis of inlaying needle body (021) mutually, and the diameter of this bellying (022) is less than the diameter of inlaying needle body (021), the surface of bellying (022) is provided with copper nut (01) matched with screw thread, the length of the copper nut (01) is equal to that of the bulge (022), one end of the copper nut (01) abuts against the end face of the mounting hole (03), and the other end of the copper nut (01) is not in contact with the other cavity bottom of the injection molding cavity (04).
2. The in-mold injection mold for the copper nut according to claim 1, characterized in that: the length of the projection (022) is equal to 3/4 of the length of the copper nut (01).
3. The in-mold injection mold for the copper nut according to claim 1, characterized in that: the insert pin (02) is made of steel.
4. The in-mold injection mold for the copper nut according to claim 1, characterized in that: the magnet is a neodymium iron boron magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020099901.1U CN211683259U (en) | 2020-01-17 | 2020-01-17 | Copper nut in-mold injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020099901.1U CN211683259U (en) | 2020-01-17 | 2020-01-17 | Copper nut in-mold injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211683259U true CN211683259U (en) | 2020-10-16 |
Family
ID=72772456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020099901.1U Expired - Fee Related CN211683259U (en) | 2020-01-17 | 2020-01-17 | Copper nut in-mold injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211683259U (en) |
-
2020
- 2020-01-17 CN CN202020099901.1U patent/CN211683259U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 Termination date: 20220117 |