CN211807291U

CN211807291U - Mold structure for manufacturing plastic part sealing rubber groove

Info

Publication number: CN211807291U
Application number: CN201922432971.4U
Authority: CN
Inventors: 陈阳
Original assignee: Ningbo Zhengqi Electronic Co ltd
Current assignee: Ningbo Zhengqi Electronic Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-30
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a mould structure for making working of plastics sealant groove, including last mold core, lower mold core, upward be equipped with mould capillary groove mold insert on the mold core, the lower extreme of going up the mould capillary groove mold insert is equipped with first boss, is equipped with a plurality of archs on the first boss side by side, is equipped with a plurality of lower mould capillary groove mold inserts that are inconsistent with the arch on the lower mold core. Through the setting of last mould capillary groove mold insert, a plurality of archs on the first boss are inconsistent with lower mould capillary groove mold insert, can carry out the shaping to the contact pin mouth on the working of plastics, first boss can make the working of plastics set up the glue sealing groove in one side of contact pin mouth, the glue sealing groove can lead to gluing when the contact pin is beaten to glue fixedly, make the waterproof glue flow in the glue sealing groove, and cover whole glue sealing groove, the fixed effect of waterproof glue to the contact pin has been guaranteed, cover whole glue sealing groove through making waterproof glue simultaneously, the sealed effect to the contact pin mouth has been played, just can guarantee the waterproof performance of this working of plastics.

Description

Mold structure for manufacturing plastic part sealing rubber groove

Technical Field

The utility model relates to a plastic mold's technical field specifically is a mould structure for making working of plastics sealant groove.

Background

With the development of science and technology, more and more plastic connecting pieces are used for connecting various electronic devices, and sometimes the plastic connecting pieces are required to have certain waterproof performance, for example, the plastic connecting pieces are used for a full-automatic air conditioning system of an automobile, an actuator is used as an important component of the air conditioning system, the service life of the air conditioning system is determined by the waterproof performance of the actuator, the waterproof performance of a shell of the actuator still has certain defects, and particularly, the waterproof performance of the shell of the actuator is still required to be improved at the position of a pin port of the actuator.

At present, when a plastic part similar to the pin port of the actuator is manufactured, the plastic part with a structure for increasing the waterproof performance of the plastic part cannot be manufactured through the existing mold for manufacturing the plastic part, and therefore, the mold structure for increasing the sealing rubber groove of the plastic part is designed to be very slow.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: the utility model provides a mould structure for making can make the working of plastics increase waterproof performance's sealed gluey groove of working of plastics.

The utility model adopts the technical proposal that: the utility model provides a mould structure for making working of plastics sealant groove, includes mold core, lower mold core, be equipped with mould capillary groove mold insert on going up the mold core, the lower extreme of going up the mould capillary groove mold insert is equipped with first boss, be equipped with a plurality of archs on the first boss side by side, be equipped with a plurality of with on the lower mold core protruding inconsistent lower mould capillary groove mold insert.

After the structure above adopting, the utility model discloses an automobile clutch master cylinder compares with prior art and has following advantage: firstly, through the setting of last mould capillary groove mold insert, a plurality of archs on the first boss are inconsistent with lower mould capillary groove mold insert, be used for carrying out the shaping to the contact pin mouth on the working of plastics, first boss can be used for seting up the glue sealing groove in one side of working of plastics contact pin mouth, the glue sealing groove can lead to gluing when the contact pin is beaten to glue fixedly, make the waterproof glue flow in the glue sealing groove, and cover whole glue sealing groove, the fixed effect of waterproof glue to the contact pin has been guaranteed, simultaneously through making whole glue sealing groove of waterproof glue cover, the sealed effect to the contact pin mouth has been played, just, the waterproof performance of this working of plastics can be guaranteed.

Preferably, the upper mold core is provided with a first hole, the upper mold waterproof groove insert penetrates through the first hole, the top surface of the upper mold core is provided with a first recessed step, the first step is arranged on the side surface of the first hole, the other end of the upper mold waterproof groove insert is provided with a second boss, and the second boss is abutted to the first step. The first step of the upper mold core is matched with the second boss of the upper mold waterproof groove insert, so that partial relative movement between the upper mold waterproof groove insert and the upper mold core is limited, the upper mold core can drive the upper mold waterproof groove insert to move together when moving upwards, and meanwhile, due to the arrangement, movement in one direction between the upper mold waterproof groove insert and the upper mold core is limited, so that the upper mold waterproof groove insert can be conveniently replaced when the upper mold waterproof groove insert needs to be replaced, and the upper mold fixing component and the upper mold core are separated, so that the upper mold waterproof groove insert can be taken out and replaced.

Preferably, the projection is a trapezoidal platform. Set up the arch into trapezoidal platform can be convenient for the drawing of patterns after the shaping is finished, moreover, by trapezoidal platform fashioned contact pin mouth, be the inclined plane all around, be convenient for lead to the waterproof glue, ensure that the waterproof glue can flow in the contact pin mouth.

Preferably, the periphery of the first boss is an inclined plane. The boss sets up all around to be the inclined plane can be convenient for the drawing of patterns after the shaping, and simultaneously, fashioned working of plastics also is the inclined plane all around, can lead to waterproof glue, makes waterproof glue in the sealant groove, can not flow to other positions, ensures sealed effect.

Preferably, the lower mold core is further provided with a plurality of second holes penetrating through the lower mold core, the number of the second holes is equal to that of the protrusions, the second holes are matched with the protrusions in position, and the lower mold waterproof groove insert is arranged in the second holes. The second hole is used for accommodating the lower die waterproof groove insert, so that the position of the lower die waterproof groove insert can be adjusted or replaced conveniently.

Preferably, the lower die waterproof groove insert is in a long strip shape, one end of the lower die waterproof groove insert is a working end, the other end of the lower die waterproof groove insert is a fixed end, the sectional area of the working end is smaller than that of the fixed end, and the working end is connected with the fixed end through an inclined surface. The setting on inclined plane makes the contact pin mouth shaping after, is the inclined plane at the one end that does not set up the capillary groove equally, can lead when the contact pin is beaten and is glued, can enough guarantee the stability of contact pin like this, also can guarantee its waterproof performance.

Preferably, the end face of the working end and the end face of the projection have the same shape and the same area. When last mold core and lower mold core compound die, the work end terminal surface of lower mould capillary groove mold insert alright with the protruding terminal surface coincidence of last mold capillary groove mold insert, can follow the shaping that is favorable to the contact pin mouth like this to make contact pin mouth both ends size equal, contact pin mouth inner wall is level and smooth, can be convenient for subsequent work of gluing.

Preferably, the lower mold core is provided with a plurality of thimble holes penetrating through the lower mold core, each thimble hole is internally provided with a thimble, the thimble is movably connected with the thimble hole, and the lower end of the thimble is connected with the thimble plate. The ejector pin drives the ejector pin to move together through the ejector pin plate, penetrates through the ejector pin hole in the lower die and acts on a formed plastic part, and demolding is facilitated.

Preferably, the upper end of the second hole is provided with a counter bore. The depth of the needle opening can be lengthened due to the arrangement of the counter bore, the needle is protected to a certain extent, more waterproof glue can be contained, and the waterproof performance is improved.

Drawings

Fig. 1 is a schematic sectional view showing the structure of a mold structure for manufacturing a sealant tank of a plastic part according to the present invention.

Fig. 2 is a schematic sectional structure view of the upper mold core and the lower mold core after the mold structure for manufacturing the plastic sealing groove of the utility model is closed.

Fig. 3 is a partially enlarged view of the region "a" in fig. 2.

Fig. 4 is a schematic sectional view of a formed workpiece in a mold structure for manufacturing a plastic sealant groove of the present invention.

Fig. 5 is a schematic view of a cross-sectional structure of an upper mold core of a mold structure for manufacturing a plastic sealant groove of the present invention.

Fig. 6 is a partially enlarged view of the region "B" in fig. 5.

Fig. 7 is a schematic view of a cross-sectional structure of a lower mold core of a mold structure for manufacturing a plastic sealant groove of the present invention.

Fig. 8 is a schematic cross-sectional view of the section "C-C" in fig. 2.

Wherein, 1, an upper mold core; 1.1, a first hole; 2. a lower mold core; 2.1, a second hole; 2.2, counter bores; 3. an upper mold waterproof groove insert; 3.1, a first boss; 3.2, protruding; 4. a lower die waterproof groove insert; 4.1, a working end; 4.2, fixing end; 5. a workpiece; 5.1, sealing a glue groove; 5.2, inserting a pin port; 6. an upper die fixing assembly; 7. a lower die fixing component; 8. an ejector plate; 9. and (4) a thimble.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The utility model provides a mould structure for making working of plastics sealant groove 5.1, it includes mold core 1, lower mold core 2, goes up and is equipped with mould water-proof groove mold insert 3 on the mold core 1, and the lower extreme of going up mould water-proof groove mold insert 3 is equipped with first boss 3.1, and first boss 3.1 is the inclined plane all around, is equipped with a plurality of archs 3.2 on the first boss 3.1 side by side, and the shape of arch 3.2 is trapezoidal platform. The lower mold core 2 is provided with a plurality of second holes 2.1 penetrating through the lower mold core 2, the number of the second holes 2.1 is equal to that of the bulges 3.2, the second holes 2.1 are matched with the bulges in position, a lower mold waterproof groove insert 4 is arranged in the second holes 2.1, and the upper end of each second hole 2.1 is provided with a counter bore 2.2; the lower die waterproof groove insert 4 is in a long strip shape, one end of the lower die waterproof groove insert 4 is a working end 4.1, the other end of the lower die waterproof groove insert 4 is a fixed end 4.2, the sectional area of the working end 4.1 is smaller than that of the fixed end 4.2, and the fixed end 4.2 is connected with the working end 4.1 through an inclined plane.

In this embodiment, the shape and the area of the working end 4.1 end face of the lower mold waterproof groove insert 4 are the same as the shape and the area of the end face of the upper mold waterproof groove insert 3 protrusion 3.2, when the upper mold core 1 and the lower mold core 2 are closed, the working end 4.1 end face of the lower mold waterproof groove insert 4 can coincide with the end face of the upper mold waterproof groove insert 3 protrusion 3.2, so that the molding of the pin port 5.2 can be facilitated, the sizes of the two ends of the pin port 5.2 are equal, the inner wall of the pin port 5.2 is smooth, and the subsequent glue filling work can be facilitated.

The upper die fixing component 6 is detachably connected above the upper die core 1 and between the upper die core 1, and the lower die fixing component 7 is detachably connected below the lower die core 2 and between the lower die core 2 and the upper die core 1. The upper mold core 1 is provided with a first hole 1.1, the first hole 1.1 penetrates through the upper mold core 1, the upper mold waterproof groove insert 3 is arranged in the first hole 1.1, the top surface of the upper mold core 1 is provided with a downward-concave first step, the first step is positioned on the side surface of the first hole 1.1, the side surface of the upper end of the upper mold waterproof groove insert 3 is provided with a second boss, and the second boss is abutted to the first step. When the upper die fixing assembly 6 is connected with the upper die core 1, the upper die fixing assembly 6 and the upper die core 1 limit the movement of the upper die waterproof groove insert 3, so that the upper die fixing assembly 6 and the upper die core 1 move together, and when the upper die fixing assembly 6 is separated from the upper die core 1, the upper die waterproof groove insert 3 can be taken out of the upper die core 1, so that the upper die waterproof groove insert is convenient to replace.

Be equipped with a plurality of thimble holes that run through lower mold core 2 on the lower mold core 2, be equipped with thimble 9 in the thimble hole, swing joint between thimble 9 and the thimble hole, the lower extreme of thimble 9 is connected with thimble board 8, can follow the motion of thimble board 8 and move, when thimble board 8 moves to the bottom, the up end of thimble 9 flushes with the working face that is used for the shaping on the lower mold core 2, ensures can not exert an influence to the shaping of working of plastics.

The working principle is that after the upper mold core 1 and the lower mold core 2 are closed, the working end 4.1 of the lower mold waterproof groove insert 4 is abutted to the bulge 3.2 of the upper mold waterproof groove insert 3, the end faces of the lower mold waterproof groove insert are overlapped, a pin opening 5.2 on a workpiece 5 can be formed between the bulge 3.2 of the upper mold waterproof groove insert 3 and the working end 4.1 of the lower mold waterproof groove insert 4, and due to the fact that the bulge 3.2 is arranged on the first boss 3.1 on the upper mold waterproof groove insert 3, a groove which is the same as the first boss 3.1 in shape is formed on the upper side face of the pin opening 5.2 when the workpiece 5 is formed under the action of the first boss 3.1, namely the sealing glue groove 5.1. Because the bulge 3.2 is in the shape of a trapezoid table, and the inclined plane between the working end 4.1 and the fixed end 4.2 of the lower die waterproof groove insert 4 is arranged, the inclined plane can also appear at the two ends of the pin port 5.2 during molding. After the workpiece 5 is formed, the upper die and the lower die are separated, the ejector plate 8 moves upwards, the formed workpiece 5 can be ejected through the ejector 9, and the workpiece 5 can be easily taken down.

After the workpiece 5 is taken down, a contact pin is placed into the contact pin opening 5.2 for gluing, waterproof glue is filled into the contact pin opening 5.2 and overflows into the sealing glue groove 5.1, the sealing glue groove 5.1 is filled, both sides of the contact pin opening 5.2 are inclined planes, the waterproof glue filled into the contact pin opening 5.2 can be guided, meanwhile, both sides of the contact pin opening 5.2 can be better sealed, the inclined edges around the sealing glue groove 5.1 can guide and block the waterproof glue, and the waterproof glue cannot easily flow out of the sealing glue groove 5.1; such mode of gluing not only guarantees to glue evenly pleasing to the eye, can strengthen the contact pin position that waterproof performance is weakest moreover, makes its waterproof performance promote greatly.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a mould structure for making working of plastics sealant groove, it includes mold core (1), lower mold core (2), goes up mold core (1) and is inconsistent with lower mold core (2), its characterized in that, it is equipped with mould capillary groove mold insert (3) on mold core (1) to go up, the lower extreme of going up mold capillary groove mold insert (3) is equipped with first boss (3.1), be equipped with a plurality of archs (3.2) on first boss (3.1) side by side, be equipped with on lower mold core (2) a plurality of with lower mold capillary groove mold insert (4) that arch (3.2) are inconsistent.

2. The mold structure for manufacturing a plastic part stripper rubber groove according to claim 1, wherein the upper mold core (1) is provided with a first hole (1.1), the upper mold stripper rubber insert (3) penetrates through the first hole (1.1), the top surface of the upper mold core (1) is provided with a first concave step (1.2), the first step (1.2) is arranged on the side surface of the first hole (1.1), the other end of the upper mold stripper rubber insert (3) is provided with a second boss (3.3), and the second boss (3.3) is abutted against the first step (1.2).

3. A mould structure for making a sealant groove of plastic parts according to claim 1, wherein the protrusion (3.2) is a trapezoidal platform.

4. The mold structure for manufacturing a sealant groove of a plastic part according to claim 1, wherein the periphery of the first boss (3.1) is a bevel.

5. The mold structure for manufacturing a plastic part stripper rubber groove according to claim 3, characterized in that the lower mold core (2) is further provided with a plurality of second holes (2.1) penetrating through the lower mold core (2), the number of the second holes (2.1) is equal to the number of the protrusions (3.2) and the positions of the second holes are matched, and the lower mold waterproof groove insert (4) is arranged in the second holes (2.1).

6. The mold structure for manufacturing a plastic part packing rubber groove according to claim 5, wherein the lower mold waterproof groove insert (4) is long, one end of the lower mold waterproof groove insert (4) is a working end (4.1), the other end of the lower mold waterproof groove insert (4) is a fixed end (4.2), the sectional area of the working end (4.1) is smaller than that of the fixed end (4.2), and the working end (4.1) is connected with the fixed end (4.2) through a slope.

7. A mould structure for making a sealant groove of plastic parts according to claim 6, wherein the end surface of the working end (4.1) and the end surface of the protrusion (3.2) have the same shape and the same area.

8. The mold structure for manufacturing the sealant groove of plastic parts according to claim 1, wherein the lower mold core (2) is provided with a plurality of thimble holes penetrating through the lower mold core (2), each thimble hole is provided with a thimble (9), the thimble (9) is movably connected with the thimble hole, and the lower end of the thimble (9) is connected with a thimble plate (8) located below the lower mold core (2).

9. The mold structure for manufacturing a sealant groove of a plastic part according to claim 5, wherein the upper end of the second hole (2.1) is provided with a counter bore (2.2).