CN214000304U - Injection mold for preventing large-area metal part from being deformed in rubber coating process and rubber coating product - Google Patents
Injection mold for preventing large-area metal part from being deformed in rubber coating process and rubber coating product Download PDFInfo
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- CN214000304U CN214000304U CN202022988146.5U CN202022988146U CN214000304U CN 214000304 U CN214000304 U CN 214000304U CN 202022988146 U CN202022988146 U CN 202022988146U CN 214000304 U CN214000304 U CN 214000304U
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Abstract
The utility model belongs to the technical field of injection mold, especially, disclose an injection mold and rubber coating product for preventing large tracts of land metalwork rubber coating deformation, injection mold includes movable mould and cover half, movable mould with the cover half compound die forms the die cavity that is used for accommodating the metalwork and the rubber coating of moulding plastics, be equipped with the support positioning mechanism in the movable mould, the support positioning mechanism includes a plurality of support columns that the interval set up, a plurality of the support column activity extends to in the die cavity and butt the reverse side of the atress region of the metal part in the die cavity; and when the plastic injection action on the fixed die is finished and the injection molding pressure maintaining is carried out, the support column is far away from the metal piece to form a support vacancy, and the support vacancy is filled with the molten plastic in the cavity. The utility model discloses a set up the regional support column of atress that can support the metalwork in the mould, prevent that the large tracts of land metalwork from moulding plastics the in-process and warping.
Description
Technical Field
The utility model belongs to the technical field of injection mold, especially, relate to an injection mold and rubber coating product that prevent large tracts of land metalwork rubber coating deformation.
Background
Insert molding is a molding method in which a previously prepared insert of a different material is placed in a mold, and then a molten material is injected, and the molten material and the insert are joined and solidified to form an integrated product.
Most of the in-mold insert products in the injection molding industry are hardware, nuts and cylindrical hardware. Because the hardware materials such as copper materials, aluminum materials and the like are soft, the plastic-coated rubber in the die cavity is easy to deform, particularly large-area hardware with the area exceeding 600 square millimeters and the thickness of about 2.5mm is subjected to severe deformation during injection molding in the die, so that the thickness of the rubber coating of the product after injection molding is uneven, the assembly of the finished product is influenced, and the electrical properties of the product, such as electrical insulation, voltage resistance and the like, can not reach the customer standard directly.
Therefore, the inventors have endeavored to design an injection mold and a metal part encapsulated product to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a prevent injection mold that large tracts of land metalwork rubber coating warp, through set up the regional support column of atress that can support the metalwork in the mould, prevent that large tracts of land metalwork from moulding plastics the in-process and warping.
Another object of the utility model is to: the utility model provides a large tracts of land metalwork rubber coating product, through set up the through-hole that is used for the dispersion pressure of moulding plastics on the atress region at the metalwork, reduce the hardware rubber coating and warp.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
an injection mold for preventing large-area metal piece encapsulation deformation comprises a movable mold and a fixed mold, wherein the movable mold and the fixed mold are assembled to form a cavity for accommodating a metal piece and injecting encapsulation rubber, a supporting and positioning mechanism is arranged in the movable mold and comprises a plurality of supporting columns arranged at intervals, and the supporting columns movably extend into the cavity and abut against the reverse side of a stress area of the metal piece in the cavity;
and when the plastic injection action on the fixed die is finished and the injection molding pressure maintaining is carried out, the support column is far away from the metal piece to form a support vacancy, and the support vacancy is filled with the molten plastic in the cavity.
The metalwork is because the area is great, and its in-process atress of moulding plastics is mainly concentrated on the atress region of metalwork, and the metalwork in-process of moulding plastics promptly, and the atress region of metalwork can be at the effect indent deformation under pressure of moulding plastics and high temperature, consequently, the utility model discloses a support column supports the regional reverse side of atress, can prevent effectively that the metalwork from warping.
The utility model discloses the in-process of moulding plastics, the flow of removal speed (ejection speed) control melting plastic through control screw rod in the mould, when reaching certain screw rod position or certain ejection pressure, then follow speed control and switch into pressure control, the empty position of support is filled with the fused plastic of pressurize control promptly, prevent that the support column from leaving the breach on the rubber coating product and the vestige of moulding plastics, consequently, the support column need be withdrawed at the pressurize in-process of moulding plastics, so that in time supply the support column and withdraw the empty position of support that produces.
The support column not only can support the metal piece, but also can support the metal piece, and prevents the metal piece from shifting in the injection molding and encapsulation process.
As an improvement of the injection mold for preventing the rubber coating deformation of the large-area metal piece, the supporting and positioning mechanism further comprises a plurality of positioning columns which are arranged at intervals, and the plurality of positioning columns movably extend into a plurality of positioning holes in the stress area of the metal piece;
when the plastic injection action on the fixed die is finished and the injection molding pressure maintaining is carried out, the positioning column is far away from the metal piece to form a positioning vacancy, and the positioning vacancy is filled with the molten plastic in the cavity.
The utility model discloses in, the locating hole not only can be used for fixing a position the metalwork, still possesses and cross the same effect in gluey hole, and the metalwork can follow locating hole department dispersed pressure when moulding plastics promptly, reduces the hardware and warp, and the locating hole cooperates with the support column jointly, prevents that large tracts of land metalwork from moulding plastics and warping, in order to prevent that support column and reference column from leaving the breach on the rubber coating product and moulding plastics the vestige, support column and reference column need be withdrawed at mould pressurize in-process, and simultaneously, utilize moulding plastics to protect that pressure filling supports vacant position and location vacant position.
As the utility model discloses prevent the improvement of the injection mold of large tracts of land metalwork rubber coating deformation, the ejection mechanism of movable mould with be equipped with a push pedal subassembly between the movable mould board of movable mould, it is a plurality of the support column is with a plurality of the reference column set up perpendicularly in go up and the activity passes the movable mould board and the movable mould benevolence of movable mould on the push pedal subassembly.
As the utility model discloses prevent the improvement of the injection mold of large tracts of land metalwork rubber coating deformation, the movable mould board bottom is equipped with a recess, the push pedal subassembly is located in the recess.
As the utility model discloses prevent the improvement of the injection mold of large tracts of land metalwork rubber coating deformation, be equipped with a plurality of hydro-cylinders, it is a plurality of on the movable die holder of movable mould perpendicularly the hydro-cylinder clearance passes ejection mechanism and with the transmission of push pedal subassembly is connected.
As the utility model discloses prevent the injection mold's of large tracts of land metalwork rubber coating deformation improvement, movable mould seat side be equipped with a plurality ofly with the hydro-cylinder corresponds the oil feed way of butt joint, and is a plurality of through connecting the oil duct intercommunication between the oil feed way.
As the utility model discloses prevent the improvement of the injection mold of large tracts of land metalwork rubber coating deformation, be equipped with the owner in the cover half and water, the owner water through a plurality of horizontal runners with the die cavity intercommunication forms a plurality of mouthful of glue of advancing, and is a plurality of it sets up and is close to advance the mouth interval the atress region of metalwork.
As the utility model discloses prevent the improvement of the injection mold of large tracts of land metalwork rubber coating deformation, sliding connection has a plurality of sides slider of loosing core on the movable mould, and is a plurality of the side core on the slider of loosing core of side encloses and locates the last portion of bending side of metalwork, one of them side core butt the metalwork.
In order to achieve the other purpose, the utility model adopts the technical scheme that:
the large-area metal part rubber coating product comprises a metal part and a plastic body, wherein a plurality of through holes are formed in a stress area of the metal part at intervals, the plastic body at least covers the stress area of the metal part and fills the through holes, and the plastic body and the metal part are molded through rubber coating of an injection mold.
As the utility model discloses an improvement of large tracts of land metalwork rubber coating product, it is a plurality of the through-hole includes a plurality of locating holes of gluing hole and a plurality of interval setting, and is a plurality of cross the gluey hole along the marginal interval setting in the stress area of metalwork.
When the area of metalwork exceeded 1800 square millimeters, and support column quantity has reached the upper limit, increase the controller and can increase the cost by a wide margin, under the limited circumstances in mould space, separate between the stress area of metalwork and establish gluey hole, the in-process of moulding plastics, a plurality ofly cross gluey holes are directly filled to the molten plastic, make the metalwork in gluey hole department dispersed pressure of crossing when moulding plastics, reduce the hardware deformation, cross gluey hole and support column and cooperate jointly, prevent that large tracts of land metalwork from moulding plastics and warping.
Compared with the prior art, the utility model discloses prevent the injection mold of large tracts of land metalwork rubber coating deformation, through set up the regional support column of atress that can support the metalwork in the mould, prevent that large tracts of land metalwork from moulding plastics the in-process and warping, improve the resistance to point pressure performance of rubber coating product (the measurable maximum voltage of equipment can reach 6000VDC), reduce the leakage current performance (be less than or equal to 1m A).
Compared with the prior art, the utility model discloses large tracts of land metalwork rubber coating product sets up a plurality of through-holes that are used for dispersion injection pressure through the interval on the stress area of metalwork, pack the plastic in the through-hole simultaneously, not only reduce the hardware rubber coating in-process of moulding plastics and warp, it is inhomogeneous to prevent that the rubber coating meat is thick, can also increase the fixing power of metalwork and plastic body, improve the electrical properties of rubber coating product, especially, the compressive property can reach 6000VDC (the measurable maximum voltage of equipment), duration 60S leaks the current and is less than or equal to 1m A.
Description of the drawings:
fig. 1 is a sectional view of the injection mold of the present invention;
FIG. 2 is a sectional view of the fixed mold of the present invention;
FIG. 3 is a perspective view of the movable mold of the present invention;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is an exploded perspective view of three side core-pulling mechanisms on the movable mold of the present invention;
FIG. 6 is an enlarged view at B in FIG. 5;
FIG. 7 is a sectional view of the movable mold base of the present invention;
fig. 8 is a partially cut-away enlarged perspective view of the encapsulated product of the present invention.
Illustration of the drawings:
1. the plastic core pulling device comprises a fixed die, 11, a fixed die base, 12, a fixed die plate, 121, an inclined guide post, 13, a fixed die core, 131, a main pouring channel, 2, a movable die, 21, a movable die base, 211, an oil inlet channel, 212, a connecting oil channel, 22, an ejection mechanism, 23, a movable die plate, 24, a movable die core, 241, a first cross channel, 2411, a first glue inlet, 242, a second cross channel, 2421, a second glue inlet, 25, a supporting and positioning mechanism, 251, an oil cylinder, 252, a push plate assembly, 253, a supporting column, 254, a positioning column, 26, a first side core pulling slider, 261, a first side core, 27, a second side core pulling slider, 271, a second side core, 28, a third side core pulling slider, 281, a third side core, 3, a die cavity, 4, an encapsulated product, 41, a metal piece, 411, a stress area, 412, a glue passing hole, 413, a positioning hole, 42 and a plastic body.
Detailed Description
The following embodiments of the present invention will be specifically explained with reference to the accompanying drawings, which are only used for reference and illustration, and do not limit the scope of the present invention.
Referring to fig. 1 to 8, an injection mold for preventing deformation of large-area metal part during encapsulation, which forms an encapsulated product 4 by the above injection molding method, comprises a movable mold 2 and a fixed mold 1, wherein the movable mold 2 and the fixed mold 1 are matched to form a cavity 3 for accommodating a metal part 41 and performing injection encapsulation.
Referring to fig. 1 and 2, the fixed mold 1 includes a fixed mold base 11, a fixed mold plate 12 and a fixed mold core 13, a main runner 131 vertically penetrates through the fixed mold base 11, the fixed mold plate 12 is stacked below the fixed mold base 11, a plurality of inclined guide pillars 121 are fixed on the fixed mold plate 12, the fixed mold core 13 is located at the bottom of the fixed mold plate 12, and the main runner 131 sequentially penetrates through the fixed mold base 11, the fixed mold plate 12 and the fixed mold core 13 from top to bottom.
Referring to fig. 1, 5 and 6, the movable mold 2 includes a movable mold base 21, an ejection mechanism 22, two support plates (not labeled), a movable mold plate 23 and a movable mold core 24, the movable mold base 21 is fixed on the injection molding machine, the two support plates are respectively fixed at two ends of the upper surface of the movable mold base 21, the movable mold plate 23 is fixed on the two support plates in an overlapping manner, the ejection mechanism 22 is located between the two support plates, the ejection mechanism 22 includes a thimble push plate (not labeled), a thimble fixing plate (not labeled) and a plurality of thimbles (not shown), the thimble fixing plate and the thimble push plate are arranged between the movable mold plate 23 and the movable mold base 21 in an overlapping manner, the thimbles are fixed on the thimble push plate and sequentially pass through the thimble fixing plate, the movable mold plate 23 and the movable mold core 24, the thimbles are used for pushing out the injection molded encapsulated product 4, the movable mold core 24 is embedded on the mold clamping surface of the movable mold plate 23, the movable mold core 24 is provided with a plurality of cross runners, in this embodiment, two cross runners are preferably selected, namely a first cross runner 241 and a second cross runner 242, the first cross runner 241 is linear, one end of the first cross runner 241 is in butt communication with the main runner 131, the other end of the first cross runner 241 is in butt communication with the cavity 3 to form a first glue inlet 2411, the second cross runner 242 is arc-shaped, one end of the second cross runner 242 is in butt communication with the first cross runner 241, the other end of the second cross runner 242 is in butt communication with the cavity 3 to form a second glue inlet 2421, and as the area of the stress area 411 of the metal part 41 is large and difficult to encapsulate, the first glue inlet 2411 and the second glue inlet 2421 are arranged at an interval and close to the stress area 411 of the metal part 41, so as to ensure that the entire metal part 41 is encapsulated uniformly.
Referring to fig. 1, 5 and 6, the movable mold 2 further includes a supporting and positioning mechanism 25, the supporting and positioning mechanism 25 is located inside the movable mold 2, the supporting and positioning mechanism 25 includes a plurality of oil cylinders 251, a plurality of supporting columns 253, a plurality of positioning columns 254 and a push plate assembly 252, in order to save cost and make the two ends of the push plate assembly 252 uniformly bear force, preferably two oil cylinders 251 are provided in this embodiment, the two oil cylinders 251 are fixed on the movable mold base 21 at intervals, the push plate assembly 252 is located between the movable mold plate 23 and the thimble fixing plate, specifically, the push plate assembly 252 is located in a groove at the bottom of the movable mold plate 23, a thimble penetrates through the push plate assembly 252 through a gap, the push plate assembly 252 is formed by overlapping two plates for fixing the supporting columns 253 and the positioning columns 254, the two oil cylinders 251 vertically penetrate through the thimble push plate and the thimble fixing plate through a gap, output shafts of the two oil cylinders 251 are respectively in transmission connection with the two ends of the push plate assembly 252, the supporting columns 253 and the positioning columns 254 are vertically arranged on the push plate assembly 252, the supporting columns 253 penetrate through the movable mold plate 23 and the movable mold core 24 in a clearance mode and extend to the reverse side, abutted to the stress area 411, of the mold cavity 3, the positioning columns 254 penetrate through the movable mold plate 23 and the movable mold core 24 in a clearance mode and extend into the positioning holes 413 of the stress area 411 in a one-to-one mode, when the plastic injection action on the fixed mold 1 is completed and the pressure maintaining for injection molding is carried out, the two oil cylinders 251 drive the supporting columns 253 and the positioning columns 254 to be far away from the metal piece 41 through the push plate assembly 252, the supporting columns 253 form supporting vacant positions (not shown) on the metal piece 41, the positioning columns 254 form the positioning vacant positions on the metal piece 41, and the molten plastic in the mold cavity 3 is filled with the supporting vacant positions and the positioning vacant positions under the action of the pressure maintaining for injection molding.
Referring to fig. 7, in order to supply oil to the two oil cylinders 251 sufficiently, two oil inlet passages 211 are provided on the side surface of the movable die holder 21, the two oil inlet passages 211 are respectively communicated with oil inlets of the two oil cylinders 251, and the two oil inlet passages 211 are communicated with each other through a connecting oil passage 212.
Referring to fig. 2 to 5, the moving die 2 further includes a plurality of side core-pulling mechanisms (not shown), and since two encapsulated products 4 are preferably formed at a time in this embodiment, the structure of the side core-pulling mechanism of this embodiment is symmetrical, which will be described by taking the left encapsulated product 4 in fig. 3 as an example, three sides of the left cavity 3 are respectively provided with a first side core-pulling mechanism (not shown), a second side core-pulling mechanism (not shown), and a third side core-pulling mechanism (not shown), the first side core-pulling mechanism is located at the left side of the left cavity 3, the first side core-pulling mechanism includes a first side core-pulling slider 26 and a first side core 261, the first side core 261 is fixed on the first side core-pulling slider 26, the second side core-pulling mechanism is located at the front side of the left cavity 3, the second side core-pulling mechanism includes a second side core-pulling slider 27 and a second side core 271, the second side core 271 is fixed on the second side core-pulling slider 27, the third side core pulling mechanism is located at the rear side of the left cavity 3, the third side core pulling mechanism includes a third side core pulling slider 28 and a third side core 281, the third side core 281 is fixed on the third side core pulling slider 28, in this embodiment, both ends are bent from top to bottom of the metal piece 41, the lower bending portion of the metal piece 41 extends into the movable mold core 24, the first side core 261, the second side core 271 and the third side core 281 are located on the upper bending portion side of the corresponding metal piece 41, wherein the third side core 281 is abutted to the metal piece 41, so as to prevent the electrical contact surface of the metal piece 41 from being encapsulated, the first side core pulling slider 26, the second side core pulling slider 27 and the third side core pulling slider 28 are all slidably arranged on the movable mold plate 23, and the three are all correspondingly matched with the plurality of inclined guide pillars.
Referring to fig. 1 to 8, the injection molding method of the injection mold for preventing the deformation of the large-area metal piece during encapsulation comprises the following steps:
step 1, determining a stress area 411 of a metal piece 41 through mold flow analysis;
step 4, the oil cylinder 251 on the movable die holder 21 controls a plurality of support columns 253 and a plurality of positioning columns 254 of the injection die to move through the push plate assembly 252, so that the support columns 253 extend into the cavity 3 of the injection die and prop against the reverse side of the stress area 411 of the metal piece 41;
step 5, feeding the plastic raw material into a heated charging barrel (not shown) from a hopper (not shown) of the injection molding machine, heating and plasticizing the plastic raw material to be in a molten state, rotating a screw to apply pressure to inject the molten plastic in the charging barrel into the cavity 3 from a nozzle, and filling the whole cavity 3 and the glue passing hole 412;
step 6, maintaining pressure during injection molding, wherein the oil cylinder 251 retracts all the supporting columns 253 and the positioning columns 254 through the push plate assembly 252, so that the supporting columns 253 are far away from the metal part 41 to form supporting vacant positions (not shown), the positioning columns 254 are far away from the metal part 41 to form positioning vacant positions (not shown), and the supporting vacant positions and the positioning vacant positions are supplemented by injection molding pressure maintaining to prevent the supporting columns 253 and the positioning columns 254 from leaving gaps and injection molding marks on the encapsulated product 4;
and 7, cooling to form the encapsulated product 4, opening the movable mold 2 and the fixed mold 1, driving the side core-pulling slider to slide (namely, the first side core-pulling slider 26 drives the first side core 261 to slide, the second side core-pulling slider 27 drives the second side core 271 to slide, and the third side core-pulling slider 28 drives the third side core 281 to slide) and keep away from the encapsulated product, and ejecting the whole encapsulated product 4 by the ejection mechanism 22 to take out the formed encapsulated product 4.
The utility model discloses prevent injection mold that large tracts of land metalwork rubber coating warp, through set up the regional support column 253 of atress that can support the metalwork in the mould, prevent that large tracts of land metalwork from moulding plastics the in-process and warping, improve the withstand voltage performance of rubber coating product 4 (the measurable maximum voltage of equipment can reach 6000VDC), reduce leakage current performance (be less than or equal to 1m A), and simultaneously, utilize the pressurize of moulding plastics to fill the vacancy that the support was withdrawed, prevent that support column 253 from leaving the breach on rubber coating product 4 and the vestige of moulding plastics, influence the electrical property and the outward appearance of rubber coating product 4.
Referring to fig. 8, a large-area metal part encapsulated product 4, the encapsulated product 4 is formed by encapsulating and molding the injection mold, the encapsulated product 4 includes a metal part 41 and a plastic body 42, both upper and lower ends of the metal part 41 are vertically bent, a stress area 411 of the metal part 41 is located between the bent portions of the upper and lower ends of the metal part 41, a plurality of through holes (not labeled) are arranged at intervals on the stress area, the plurality of through holes include a plurality of glue passing holes 412 arranged at intervals and a plurality of positioning holes 413 arranged at intervals, the plurality of glue passing holes 412 are arranged along the edge of the stress area 411 in an arc shape at intervals, the plastic body 42 at least covers the stress area 411 of the metal part 41 and fills up the plurality of glue passing holes 412 and the plurality of positioning holes 413, the back side of the upper bending portion of the metal part 41 and the lower bending portion of the metal part 41 are exposed out of the plastic body 42, so that conductive electrical contact areas are formed at two ends of the metal part 41.
The utility model discloses large tracts of land metalwork rubber coating product sets up a plurality of through-holes that are used for dispersion injection pressure through the interval on the atress region 411 of metalwork 41, pack the plastic in the through-hole simultaneously, not only reduce the hardware and mould plastics the rubber coating in-process and warp, it is inhomogeneous to prevent that rubber coating meat is thick, can also increase the fixing power of metalwork 41 and plastic body 42, improve the electrical property of rubber coating product 4, especially, the compressive property can reach 6000VDC (the measurable maximum voltage of equipment), duration 60S leaks the current and is less than or equal to 1m A.
The above disclosure is only for the preferred embodiment of the present invention, and the scope of the right protection of the present invention cannot be limited thereby, and therefore, the equivalent changes made in the claims of the present invention still belong to the scope covered by the present invention.
Claims (10)
1. An injection mold for preventing large-area metal piece encapsulation deformation comprises a movable mold and a fixed mold, and is characterized in that the movable mold and the fixed mold are assembled to form a cavity for accommodating a metal piece and injecting encapsulation, a supporting and positioning mechanism is arranged in the movable mold, the supporting and positioning mechanism comprises a plurality of supporting columns which are arranged at intervals, and the plurality of supporting columns movably extend into the cavity and abut against the reverse side of a stress area of the metal piece in the cavity;
and when the plastic injection action on the fixed die is finished and the injection molding pressure maintaining is carried out, the support column is far away from the metal piece to form a support vacancy, and the support vacancy is filled with the molten plastic in the cavity.
2. The injection mold for preventing the large-area metal part from being deformed by encapsulation as claimed in claim 1, wherein the supporting and positioning mechanism further comprises a plurality of positioning pillars arranged at intervals, and the plurality of positioning pillars movably extend into a plurality of positioning holes on a stress area of the metal part;
when the plastic injection action on the fixed die is finished and the injection molding pressure maintaining is carried out, the positioning column is far away from the metal piece to form a positioning vacancy, and the positioning vacancy is filled with the molten plastic in the cavity.
3. The injection mold of claim 2, wherein a push plate assembly is disposed between the ejection mechanism of the movable mold and the movable mold plate of the movable mold, and the plurality of support pillars and the plurality of positioning pillars are vertically disposed on the push plate assembly and movably pass through the movable mold plate and the movable mold core of the movable mold.
4. The injection mold for preventing the deformation of large area metal parts by encapsulation according to claim 3, wherein the bottom of the movable mold plate is provided with a groove, and the push plate assembly is positioned in the groove.
5. The injection mold for preventing the large-area metal part from being encapsulated and deformed as claimed in claim 3, wherein a plurality of oil cylinders are vertically arranged on the movable mold base of the movable mold, and a plurality of oil cylinder gaps penetrate through the ejection mechanism and are in transmission connection with the push plate assembly.
6. The injection mold for preventing the large-area metal part from being encapsulated and deformed as claimed in claim 5, wherein a plurality of oil inlet channels correspondingly butted with the oil cylinder are arranged on the side surface of the movable mold base, and the oil inlet channels are communicated with each other through connecting oil channels.
7. The injection mold for preventing the large-area metal part from being encapsulated and deformed as claimed in claim 1, wherein a main pouring gate is arranged in the fixed mold, the main pouring gate is communicated with the cavity through a plurality of cross pouring gates to form a plurality of glue inlets, and the glue inlets are arranged at intervals and close to the stress area of the metal part.
8. The injection mold for preventing the rubber coating deformation of the large-area metal part as claimed in claim 1, wherein the movable mold is slidably connected with a plurality of side core-pulling sliders, side cores on the side core-pulling sliders are arranged around the side surface of the upper bending part of the metal part, and one of the side cores abuts against the metal part.
9. The large-area metal part rubber coating product is characterized by comprising a metal part and a plastic body, wherein a plurality of through holes are formed in a stress area of the metal part at intervals, the plastic body at least covers the stress area of the metal part and fills the through holes, and the plastic body and the metal part are molded through rubber coating of an injection mold.
10. The large area metal part encapsulated product of claim 9, wherein the plurality of through holes comprises a plurality of glue holes and a plurality of spaced positioning holes, the plurality of glue holes being spaced along the edge of the force bearing area of the metal part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022988146.5U CN214000304U (en) | 2020-12-10 | 2020-12-10 | Injection mold for preventing large-area metal part from being deformed in rubber coating process and rubber coating product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022988146.5U CN214000304U (en) | 2020-12-10 | 2020-12-10 | Injection mold for preventing large-area metal part from being deformed in rubber coating process and rubber coating product |
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| CN214000304U true CN214000304U (en) | 2021-08-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721025A (en) * | 2020-12-10 | 2021-04-30 | 瑞晟新能源科技(广东)有限公司 | Injection molding method and injection mold for preventing large-area metal part from being encapsulated and deformed and large-area metal part encapsulated product |
| CN114102976A (en) * | 2021-11-25 | 2022-03-01 | 无锡韵茨泵业有限公司 | Integrated rubber coating method and device |
-
2020
- 2020-12-10 CN CN202022988146.5U patent/CN214000304U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721025A (en) * | 2020-12-10 | 2021-04-30 | 瑞晟新能源科技(广东)有限公司 | Injection molding method and injection mold for preventing large-area metal part from being encapsulated and deformed and large-area metal part encapsulated product |
| CN114102976A (en) * | 2021-11-25 | 2022-03-01 | 无锡韵茨泵业有限公司 | Integrated rubber coating method and device |
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