CN210389885U - Suspension mould for rubber-coated plastic part - Google Patents
Suspension mould for rubber-coated plastic part Download PDFInfo
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- CN210389885U CN210389885U CN201920828019.3U CN201920828019U CN210389885U CN 210389885 U CN210389885 U CN 210389885U CN 201920828019 U CN201920828019 U CN 201920828019U CN 210389885 U CN210389885 U CN 210389885U
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Abstract
The utility model relates to a piece mould device field is moulded to the rubber coating, indicates a piece suspension mould is moulded to the rubber coating especially. The method comprises the following steps that a primary rubber coating insert, a secondary rubber coating die, a movable die pressing needle and a fixed die pressing needle are used; the primary rubber coating insert is erected in a secondary rubber coating die, and the secondary rubber coating die is positioned between a movable die pressing needle and a fixed die pressing needle; the movable mold pressing needles correspond to the fixed mold pressing needles one by one, a first driving mechanism for driving the movable mold pressing needles to move is arranged on the movable mold pressing needles, and a second driving mechanism for driving the fixed mold pressing needles to move is arranged on the fixed mold pressing needles; the primary rubber-coating insert is suspended in the secondary rubber-coating die to ensure that the primary rubber-coating insert is not exposed.
Description
Technical Field
The invention relates to the field of rubber-coated plastic part mould devices, in particular to a suspension mould for rubber-coated plastic parts.
Background
At present, in the production process of a die, some products have higher requirements, for example, when the products are encapsulated by metal pins, the products only allow terminals to be exposed to the outer side of the products (the first metal terminal encapsulation plays a role in connecting a plurality of terminals into a part); the product has the salt spray experiment waterproof requirement and can not leak water, once rubber coating inserts and plastic parts can not be exposed, and parts on the side can be conductive and cause parts to be scrapped. (for automobile door lock parts, the existing mold can not meet the requirements that the rest parts except the exposed part of the terminal can not be completely wrapped by secondary rubber-coated plastic, no gap can be ensured, great water seepage risk can be caused, and the risk of automobile door lock failure can be caused.)
Disclosure of Invention
The invention aims to provide a suspension mould for an encapsulated plastic part, which does not expose a primary encapsulated insert.
The technical scheme of the invention is as follows:
a suspension mould for rubber-coated plastic parts comprises a primary rubber-coated insert, a secondary rubber-coated mould, a movable mould pressing needle and a fixed mould pressing needle; the primary rubber coating insert is erected in a secondary rubber coating die, and the secondary rubber coating die is positioned between a movable die pressing needle and a fixed die pressing needle; the movable mould tucking is in one-to-one correspondence with the fixed mould tucking, a first driving mechanism for driving the movable mould tucking to move is arranged on the movable mould tucking, and a second driving mechanism for driving the fixed mould tucking to move is arranged on the fixed mould tucking.
The first driving mechanism and the second driving mechanism respectively comprise a needle pressing upper fixing plate, a needle pressing lower fixing plate, a guide pillar and a moving assembly; a plurality of pressing pins are uniformly distributed on the pressing pin upper fixing plate, and the bottom surface of the pressing pin upper fixing plate is connected with the pressing pin lower fixing plate; the center of the lower needle pressing fixing plate is provided with at least two guide posts, and the lower needle pressing fixing plate is connected with the moving assembly; the motion assembly comprises a supporting seat, a driving piece is arranged at one end of the supporting seat, a driving rod of the driving piece penetrates through and extends out of the other end of the supporting seat, the other end of the driving rod is connected with a U-shaped frame, and side rods on two sides of the U-shaped frame respectively extend into two ends of the bottom surface of the lower fixing plate of the pressing needle; all be equipped with the inserted block group on the side lever, the inserted block group all includes two oblique guide blocks of T type, the oblique guide slot of T type all is equipped with the oblique guide block of T type in the department that corresponds of tucking bottom plate bottom surface and T type. When the device is used, the driving rod is started, the driving rod reciprocates back and forth to drive the T-shaped inclined guide block to move towards one end in the T-shaped inclined guide groove, and the T-shaped inclined guide block inclines for a certain angle, so that the upper fixing plate of the pressing needle is indirectly driven to move towards the parting surface of the die cavity in the process of moving towards the guide groove, and the moving pressing needle and the fixed pressing needle which are positioned in the secondary rubber coating die and correspond downwards continue to move, so that the fixed pressing needle and the moving pressing needle interact to clamp the primary rubber coating insert; through the arrangement of the guide post, the upper needle pressing fixing plate and the lower needle pressing fixing plate can only move up and down along the direction of the guide post.
The driving piece is an oil cylinder. Simple structure and low cost.
The side lever below all is equipped with the slide rail, and the side lever below all is equipped with the spout that uses with the slide rail cooperation. Movement of the motion assembly is facilitated.
The primary rubber coating insert is connected with a pressure sensor. Whether the secondary encapsulation plastic flows to a desired position or not is detected through a pressure sensor in the die cavity (in this case, the plastic wraps part of the primary encapsulation insert to replace the clamping function of the pressing pin). And signals are transmitted to a neutron system of the injection molding machine, the neutron system controls hydraulic oil cylinders of the upper pressing needle fixing plate and the lower pressing needle fixing plate to be started, so that the upper and lower pressing needle systems drive the pressing needles to retreat to separate from the primary rubber-coated insert, and then the injection molding machine continues to fill plastics to other parts in the mold cavity. Meanwhile, the gap left after the pressing needle retreats can be filled through the pressure maintaining function of the injection molding machine. So that the secondary encapsulation of the product is not exposed.
The top surface of the secondary rubber coating mould is provided with a plurality of first mounting holes for the movable mould pressing needles to pass through, and the bottom surface of the secondary rubber coating mould is provided with a plurality of second mounting holes for the fixed mould pressing needles to pass through. The first mounting hole and the second mounting hole are arranged so that a movable die pressing needle and a fixed die pressing needle can conveniently penetrate through the first mounting hole and the second mounting hole to clamp a primary rubber coating insert in a secondary rubber coating die.
① the present invention has the beneficial effect that the primary encapsulated insert is suspended in the middle of the secondary encapsulated part in the secondary encapsulated mould, so that the primary encapsulated product is not exposed outside the secondary encapsulated product.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Wherein: FIG. 1 is a schematic view of a one-time encapsulated insert according to the present invention;
FIG. 2 is a schematic structural view of a secondary encapsulation mold of the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic view of the U-shaped frame structure of the present invention;
FIG. 5 is a schematic view of the T-shaped inclined guide groove of the present invention;
in the attached drawing, 1 is a primary rubber-coated insert, 2 is a secondary rubber-coated product, 3 is a movable mold press pin, 4 is a fixed mold press pin, 6 is a first mounting hole, 8 is a first driving mechanism, 9 is a second driving mechanism, 10 is a press pin upper fixing plate, 11 is a press pin lower fixing plate, 12 is a guide pillar, 13 is a press pin, 14 is a supporting seat, 15 is a hydraulic oil cylinder, 16 is an oil cylinder piston rod, 17 is a U-shaped frame, 18 is a T-shaped inclined guide block, 19 is a T-shaped inclined guide groove, 20 is a slide rail, 21 is a slide groove, and 22 is a pressure sensor.
Detailed Description
Referring to fig. 1, the suspension mold for the rubber-coated plastic part comprises a primary rubber-coated insert 1, a secondary rubber-coated mold 2, a movable mold pressing needle 3 and a fixed mold pressing needle 4; the primary rubber coating insert 1 is clamped through the interaction of a fixed die pressing needle 3 and a movable die pressing needle 4, the movable die pressing needles 3 correspond to the fixed die pressing needles 4 one by one, a first driving mechanism 8 for driving the movable die pressing needles to move is arranged on each movable die pressing needle, and a second driving mechanism 9 for driving the fixed die pressing needles to move is arranged on each fixed die pressing needle; the guide posts 12 are driven and arranged by two driving mechanisms respectively, so that the upper needle pressing fixing plate 10 and the lower needle pressing fixing plate 11 can only move up and down along the direction of the guide posts;
① the primary rubber-coating insert is put into the secondary rubber-coating mould ② the movable mould press needle presses the primary rubber-coating insert, leaving the filling gap of the secondary rubber-coating plastic, making the primary rubber-coating insert suspend in the secondary rubber-coating mould, ③ when the secondary rubber-coating plastic partly wraps the primary rubber-coating insert, the pressure sensor in the mould cavity transmits signal to the neutron system of the injection moulding machine, the pressure sensor in the mould cavity detects whether the secondary rubber-coating plastic flows to the expected position (at this time, the plastic wraps part of the primary rubber-coating insert to replace the clamping action of the press needle), and transmits the signal to the neutron system of the injection moulding machine, the neutron system controls the hydraulic oil cylinders of the upper and lower press needle fixing plates to start, thereby the upper and lower two sets of press needle systems drive the press needle to retreat and separate from the primary rubber-coating insert, ④ the injection moulding machine continues to fill the plastic to other parts in the mould cavity, meanwhile, the gap left after the press needle retreats can be filled by the pressure maintaining function of.
The first driving mechanism and the second driving mechanism respectively comprise a needle pressing upper fixing plate 10, a needle pressing lower fixing plate 11, a guide post 12 and a moving assembly; a plurality of jacks 13 for inserting the pressing needles are uniformly distributed on the upper pressing needle fixing plate, the bottom surface of the upper pressing needle fixing plate is connected with the lower pressing needle fixing plate, and the area of the upper pressing needle fixing plate is smaller than that of the lower pressing needle fixing plate; the center of the lower needle pressing fixing plate is provided with at least two guide posts, and the lower needle pressing fixing plate is connected with the moving assembly; the motion assembly comprises a supporting seat 14, a hydraulic oil cylinder 15 is installed at one end of the supporting seat, a piston rod 16 of the hydraulic oil cylinder penetrates through and extends out of the other end of the supporting seat, the other end of the driving rod is connected with a U-shaped frame 17, and side rods on two sides of the U-shaped frame respectively extend into two ends of the bottom surface of the lower fixing plate of the pressing needle; all be equipped with the inserted block group on the side lever, the inserted block group all includes two oblique guide blocks 18 of T type, the oblique guide slot 19 of T type all is equipped with the oblique guide block of T type in the position department that corresponds of tucking bottom plate bottom surface and T type. When the device is used, the hydraulic oil cylinder is started, the hydraulic oil cylinder carries out reciprocating motion back and forth so as to drive the T-shaped inclined guide block to move towards one end in the T-shaped inclined guide groove, and the T-shaped inclined guide block is inclined by a certain angle and indirectly drives the upper fixed plate of the pressing pin to move in the process of moving towards the guide groove, so that the moving and fixed pressing pins which are positioned in the secondary rubber coating die and correspond downwards continue to move, and the fixed pressing pin and the moving pressing pin interact with each other to clamp the primary rubber coating insert; by arranging the guide post 12, the upper needle pressing fixing plate and the lower needle pressing fixing plate can only move up and down along the direction of the guide post.
The hydraulic oil cylinder is arranged on the base. Simple structure and low cost.
The primary encapsulated insert is connected to a pressure sensor 22. Whether the secondary encapsulation plastic flows to a desired position or not is detected through a pressure sensor in the die cavity (in this case, the plastic wraps part of the primary encapsulation insert to replace the clamping function of the pressing pin).
The top surface of the secondary rubber coating mould is provided with a plurality of first mounting holes 6 for the movable mould pressing needles to pass through, and the bottom surface of the secondary rubber coating mould is provided with a plurality of second mounting holes for the fixed mould pressing needles to pass through. The first mounting hole and the second mounting hole are arranged so that a movable die pressing needle and a fixed die pressing needle can conveniently penetrate through the first mounting hole and the second mounting hole to clamp a primary rubber coating insert in a secondary rubber coating die.
Explanation of the operation: the piston rod of the oil cylinder moves back and forth to drive the moving component to move back and forth, and 4T-shaped inclined guide blocks on the moving component drive inclined guide block chutes on the needle pressing fixing plate to force the needle pressing fixing plate to move up and down only along the direction of the guide post under the action of the guide post, so that the effects of withdrawing and advancing the needle pressing are achieved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the present invention are within the scope of the present invention.
Claims (6)
1. A suspension mould for rubber-coated plastic parts is characterized by comprising a primary rubber-coated insert, a secondary rubber-coated mould, a movable mould pressing needle and a fixed mould pressing needle;
the primary rubber coating insert is erected in a secondary rubber coating die, and the secondary rubber coating die is positioned between a movable die pressing needle and a fixed die pressing needle;
the movable mould tucking is in one-to-one correspondence with the fixed mould tucking, a first driving mechanism for driving the movable mould tucking to move is arranged on the movable mould tucking, and a second driving mechanism for driving the fixed mould tucking to move is arranged on the fixed mould tucking.
2. The suspension mold for plastic-encapsulated parts according to claim 1, wherein the first driving mechanism and the second driving mechanism each comprise an upper fixing plate for pressing pins, a lower fixing plate for pressing pins, a guide post, and a moving assembly; a plurality of positioning holes are uniformly distributed on the upper pressing needle fixing plate, and the bottom surface of the upper pressing needle fixing plate is connected with the lower pressing needle fixing plate; the center of the lower needle pressing fixing plate is provided with at least two guide posts, and the lower needle pressing fixing plate is connected with the moving assembly; the motion assembly comprises a supporting seat, a driving piece is arranged at one end of the supporting seat, a driving rod of the driving piece penetrates through and extends out of the other end of the supporting seat, the other end of the driving rod is connected with a U-shaped frame, and side rods on two sides of the U-shaped frame respectively extend into two ends of the bottom surface of the lower fixing plate of the pressing needle; all be equipped with the inserted block group on the side lever, the inserted block group all includes two oblique guide blocks of T type, the oblique guide slot of T type all is equipped with the oblique guide block of T type in the department that corresponds of tucking bottom plate bottom surface and T type.
3. The suspension mold for plastic encapsulated parts as claimed in claim 2, wherein said driving member is an oil cylinder.
4. The suspension mould for the plastic-coated parts as claimed in claim 2, wherein the side rods are provided with slide rails therebelow, and the side rods are provided with slide grooves therebelow for matching with the slide rails.
5. The overmold suspension die of claim 1, wherein a pressure sensor is attached to the primary overmold insert.
6. The overmold suspension die of claim 1, wherein the top surface of the secondary overmold die defines a plurality of first mounting holes for the movable molding pins to pass through, and the bottom surface of the secondary overmold die defines a plurality of second mounting holes for the fixed molding pins to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828019.3U CN210389885U (en) | 2019-06-03 | 2019-06-03 | Suspension mould for rubber-coated plastic part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828019.3U CN210389885U (en) | 2019-06-03 | 2019-06-03 | Suspension mould for rubber-coated plastic part |
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| CN210389885U true CN210389885U (en) | 2020-04-24 |
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| CN201920828019.3U Active CN210389885U (en) | 2019-06-03 | 2019-06-03 | Suspension mould for rubber-coated plastic part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103395A (en) * | 2019-06-03 | 2019-08-09 | 常州密优精密模具有限公司 | A kind of encapsulated plastic suspension mold |
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2019
- 2019-06-03 CN CN201920828019.3U patent/CN210389885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103395A (en) * | 2019-06-03 | 2019-08-09 | 常州密优精密模具有限公司 | A kind of encapsulated plastic suspension mold |
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