CN103707462A

CN103707462A - Molding die, method for producing molded plastic products and molded plastic products

Info

Publication number: CN103707462A
Application number: CN201310454888.1A
Authority: CN
Inventors: 浅田信
Original assignee: Hosiden Corp
Current assignee: Hosiden Corp
Priority date: 2012-10-05
Filing date: 2013-09-29
Publication date: 2014-04-09
Anticipated expiration: 2033-09-29
Also published as: CN103707462B

Abstract

The invention provides a molding die which facilitates positioning terminal sections, makes the molded plastic products smaller and is retained in a cavity of a first die and a second die. The invention further provides a method for producing molded plastic products with the molding die and molded plastic products produced with the molding die. A molding die comprises a first die (10) and a second die (20) for receiving a cavity (C1) of at least one section (220a) of a terminal (200a). The first die (10) has a protruding portion (11) contacting with a first surface (221a) of the section (220a), and a boss (13a) spaced away from the protruding portion (11) at a certain distance. The boss (13a) comprises a first edge (13a1), a second edge (13a2) and an inclined surface (13a3), wherein the first edge (13a1) is arranged base side of the boss (13a) and contacts with a second surface (222a) opposite to the first surface (221a) on the section (220a).

Description

Method and the molded plastic product of molding die, manufacture molded plastic product

Technical field

The present invention relates to molding die, and utilize this molding die to manufacture method and the molded plastic product of molded plastic product.

Background technology

Japanese unexamined patent publication No.07-099016 discloses a kind of molded plastic product that comprises main body and terminal.Main body has base portion, is arranged on the annular sidewall on this base portion and is arranged on the distance piece on this base portion.This distance piece is divided into the first space and second space by the inner space of sidewall.Terminal have first, second, third with the 4th sections and be connected this first, second, third and the framework of the 4th sections.The distal portion of the first sections is embedded in distance piece its end face is exposed in the first space.The distal portion of the second sections is embedded in distance piece its end face is exposed in second space.The 3rd sections is embedded in sidewall its end face is exposed in the first space.The 4th sections is embedded in sidewall its end face is exposed in second space.

Above-mentioned molded plastic product is made as follows.The basal part of the first sections is maintained between the inner surface of the first protuberance and the protuberance of the second mould of the first mould, the base end of the second sections is maintained between the inner surface of the second protuberance and the protuberance of the second mould of the first mould, and the distal portion of the first sections and the second sections and the 3rd sections and the 4th sections is placed in the cavity of the first mould and the second mould.After this, ambroin is injected to cavity and sclerosis.Ambroin forms main body, and the first protuberance of the first mould and the other provider's of the second projection the first space and second space.The first sections of terminal and the distal portion of the second sections are embedded in the distance piece of main body, and the 3rd sections of terminal and the 4th sections are embedded in the sidewall of main body.After this, the first, second, third and the 4th sections cuts off framework.

Summary of the invention

Technical problem

It should be noted, the 3rd sections and the 4th sections are by keeping the first mould and second mould of the basal part of the first sections and the basal part of the second sections to locate and remain in cavity.In other words, the 3rd sections and the 4th sections can not be positioned and remain in cavity in the situation that there is no the first sections and the second sections, thereby cause the size of terminal to increase.Therefore, be difficult to reduce the size of molded plastic product.

In view of the foregoing designed the present invention.The invention provides a kind of molding die of the sections of terminal being located and remain in the cavity of the first mould and the second mould and contributing to make molded plastic product miniaturization be convenient to.The present invention also provides a kind of method of molding die manufacture molded plastic product and molded plastic product that utilizes molding die to make of utilizing.

The scheme of dealing with problems

Molding die of the present invention comprises the first mould and second mould of the cavity with the sections that is configured at least to take in terminal.Described the first mould comprise the protuberance that can contact with the first surface of described sections and with the projection of the spaced apart setting of this protuberance.Described projection comprises the first edge being positioned in its base side, is positioned at the second edge of its distal side, and inclination or curved surface.Described the first edge can contact with the second surface of described sections, and described second surface is positioned at the opposition side of described first surface.Described inclination or curved surface extend to described the second edge from described the first edge, and the distance between described protuberance and described inclination or curved surface is increased gradually.

The described molding die of this aspect of the present invention can be convenient to the described sections of described terminal to locate and remain in the described cavity of described the first mould and described the second mould.Particularly, the described protuberance of described the first mould contacts with the described first surface of the described sections of described terminal, and described first edge of the described projection of described the first mould contacts with the described second surface of described sections.Therefore described sections is securely held between the described protuberance of described the first mould and described first edge of described projection.Further advantageously, the firm maintenance of sections can reduce the motion and deformation of the described terminal that caused by injection pressure when plastic material is injected to cavity.And this aspect of the present invention makes to eliminate and adds terminal sections is located and to be remained in the cavity of the first mould and the second mould a part.For this reason, terminal can be minimized, thereby causes the miniaturization of molded plastic product.In addition, inclination or curved surface guide the sections between the protuberance of the first mould and the first edge of projection, thereby are convenient to this sections to insert between the protuberance of the first mould and the first edge of projection.In addition, projection is provided with or curved surface, and this inclination or curved surface increase the distance between protuberance and this inclination or curved surface gradually.In other words, between the second surface of sections and the inclination of projection or curved surface, provide space, this space forms a part for cavity and allows plastic material to flow into wherein.This layout makes when the second surface of sections and the projection of the first mould are contacted, this second surface to be embedded in plastic material.

The cavity of the first mould and the second mould can be configured to take in terminal bodies and the sections of terminal.This sections can be continuous and crooked with respect to this terminal bodies with terminal bodies.

The sections with respect to terminal bodies bending of terminal is subject to injection pressure and destroys when plastic material is injected to cavity.Yet, the motion and deformation of the sections that this aspect of the present invention can reduce to be caused by injection pressure, this is because sections is maintained between the protuberance of the first mould and the first edge of projection.

The first mould and the second mould can be configured to terminal bodies to be accommodated in its cavity and by this terminal bodies and partly to remain between them.

In the molding die aspect this, the first mould and the second mould remain on the terminal bodies between them in cavity securely.Therefore, this aspect of the present invention can further reduce the motion and deformation of the terminal that caused by injection pressure when plastic material is injected to cavity.

The manufacture method of molded plastic product of the present invention comprises to be inserted the sections of terminal between the protuberance and projection of the first mould, thereby the first surface that makes this sections contacts protuberance and makes the first edge of second surface contact protrusion, thereby sections is remained between protuberance and the first edge; When being placed in the cavity of the first mould and the second mould, the sections to major general's terminal seals this first mould and the second mould; And ambroin is injected to cavity and make ambroin sclerosis sections is embedded in to this ambroin.

The manufacture method of this aspect is simply by inserting the sections of terminal between the protuberance of the first mould and projection and this sections being firmly held between this protuberance and this projection and can being convenient to the sections of terminal to locate and remain in the cavity of the first mould and the second mould thus.Further advantageously, the firm maintenance of sections can reduce the motion and deformation of the terminal that caused by injection pressure when plastic material is injected to cavity.And this aspect of the present invention makes to eliminate to terminal and adds for sections being located and remained on the part of the cavity of the first mould and the second mould.For this reason, terminal can be minimized, thereby causes molded plastic product miniaturization.In addition, inject the ambroin inflow second surface of sections of cavity and the space between the inclination of projection or curved surface.Therefore, the manufacture method of this aspect makes when the second surface of sections and the projection of the first mould are contacted, this second surface to be embedded in plastic material.

The sections of terminal is placed in cavity and can comprises the terminal bodies of terminal and sections are placed in cavity.This sections can be continuous and crooked with respect to this terminal bodies with terminal bodies.

The sections with respect to terminal bodies bending of terminal is subject to the damage of injection pressure when plastic material is injected to cavity.Yet, the motion and deformation of the sections that this aspect of the present invention can reduce to be caused by injection pressure, this is because sections is maintained between the protuberance of the first mould and the first edge of projection.

The sections of terminal is placed in cavity and can comprises terminal bodies is partly remained between the first mould and the second mould.

In the manufacture method aspect this, the terminal bodies in cavity is securely held between the first mould and the second mould.Therefore, this aspect of the present invention can also reduce the motion and deformation of the terminal that caused by injection pressure when plastic material is injected to cavity.

Molded plastic product of the present invention comprises terminal and main body.Terminal comprises sections, and this sections has first surface and is positioned at the second surface in a side contrary to this first surface.Main body comprises base portion, stands still for a long while the sidewall on this base portion, and is arranged on the recess in this sidewall.Sidewall comprises wall surface.The sections of terminal is embedded in sidewall its first surface is exposed from the wall surface of sidewall.Recess comprises the first edge being positioned in its open side, is positioned at the second edge on its bottom side, and inclination or curved surface.The second surface of the first EDGE CONTACT sections.Inclination or curved surface extend to the second edge from the first edge, and the distance between sections and inclination or curved surface is increased gradually.

In the molded plastic product aspect this, be easy to the sections of terminal to locate and remain in the cavity of the first mould and the second mould.Particularly, the first surface of the sections of terminal exposes from the wall surface of the sidewall of main body, and the first EDGE CONTACT of the second surface of sections and the recess of main body.When manufacturing molded plastic product, the first surface of the sections of terminal contacts with the protuberance of the first mould, and the first EDGE CONTACT of the projection of the second surface of sections and the first mould.In other words, sections is configured to be securely held between the protuberance of the first mould and the first edge of projection, is firmly held in the cavity of the first mould and the second mould.Further advantageously, this aspect of the present invention can reduce the motion and deformation of the terminal that caused by injection pressure when plastic material is injected to cavity, and this is because its sections is maintained between the protuberance of the first mould and the first edge of projection.The firm maintenance of the sections of terminal also makes to eliminate to terminal and adds for sections being located and remained on the part of the cavity of the first mould and the second mould.For this reason, terminal can be minimized, thereby causes molded plastic product miniaturization.In addition, main body is provided with inclination or the curved surface that extends to the second edge from the first edge, and the distance between sections and inclination or curved surface is increased gradually.This layout makes can when the second surface of sections and the projection of the first mould are contacted, this second surface be embedded in main body when manufacturing molded plastic product.

Terminal can also comprise the terminal bodies being embedded in base portion.Sections can be continuous and crooked with respect to this terminal bodies with terminal bodies.

Main body can also comprise the accommodation space being limited by sidewall.This wall surface can be arranged in the side of accommodation space.

Accompanying drawing explanation

Figure 1A is the facing of molded plastic product according to the embodiment of the present invention, overlook, right perspective view.

Figure 1B be molded plastic product backsight, look up, right perspective view.

Fig. 2 A is the upward view of molded plastic product.

Fig. 2 B is the upward view of molded plastic product, is wherein shown in dotted line the part in main body that is embedded in of terminal.

Fig. 2 C is the main body of molded plastic product and the upward view of terminal, is wherein shown in dotted line the part in main body that is embedded in of terminal.

Fig. 3 A is the cutaway view along the molded plastic product of the 3A-3A intercepting in Figure 1A.

Fig. 3 B is the cutaway view along the molded plastic product of the 3B-3B intercepting in Fig. 2 A.

Fig. 3 C is the cutaway view along the molded plastic product of the 3C-3C intercepting in Figure 1A.

Fig. 4 be molded plastic product the facing of terminal, overlook, right perspective view.

Fig. 5 be molded plastic product the facing of sealant, overlook, right perspective view.

Fig. 6 A provides the cutaway view corresponding to Fig. 3 A, shows the step of the manufacture method of molded plastic product.

Fig. 6 B provides the cutaway view corresponding to Fig. 3 B, shows the step of the manufacture method of molded plastic product.

Fig. 6 C provides the cutaway view corresponding to Fig. 3 C, shows the step of the manufacture method of molded plastic product.

Reference numerals list

100: main body

110: base portion

111: first surface

112: second surface

120: sidewall

121: wall surface

122: wall surface

130a: recess

131a: the first edge

132a: the second edge

133a: inclined surface

130b: recess

131b: the first edge

132b: the second edge

133b: inclined surface

130c: recess

131c: the first edge

132c: the second edge

133c: inclined surface

140: recess

141: central portion

142: branching portion

200a: terminal

210a: terminal bodies

211a: first surface

212a: second surface

220a: sections

221a: first surface

222a: second surface

230a: sections

231a: first surface

232a: second surface

240a: sections

241a: first surface

242a: second surface

250a: connecting portion

260a: connecting portion

200b: terminal

210b: terminal bodies

211b: first surface

212b: second surface

220b: connecting portion

200c: terminal

210c: terminal bodies

211c: first surface

212c: second surface

220c: connecting portion

300: sealant

310: central portion

320: branching portion

Y: first direction

X: second direction

Z: third direction

10: the first moulds

11: protuberance

12: recess

13a: projection

13a1: the first edge

13a2: the second edge

13a3: inclined surface

13b: projection

13b1: the first edge

13b2: the second edge

13b3: inclined surface

13c: projection

13c1: the first edge

13c2: the second edge

13c3: inclined surface

14: cast gate

20: the second moulds

21: recess

22: projection

22a: central portion

22b: branching portion

30: the three moulds

31: protuberance

32: recess

33a: projection

33b: projection

33c: projection

40: the second moulds

41: recess

42: cast gate

R1: the first ambroin

R2: the second ambroin

The specific embodiment

Below with reference to Figure 1A to Fig. 6 C, molded plastic product is according to the embodiment of the present invention described.Molded plastic product shown in Figure 1A and Figure 1B comprises main body 100, terminal 200a, 200b and 200c, and sealant 300.Each composition of molded plastic product will be described in detail belows.As shown in FIG. 1A and 1B, first direction Y is the longitudinal direction of molded plastic product, and second direction X is the horizontal direction of molded plastic product, and third direction Z is the thickness direction of molded plastic product.Second direction X is orthogonal to first direction Y, and third direction Z is orthogonal to first direction Y and second direction X.

As shown in Figure 1A to Fig. 3 C, main body 100 is molded products that insulating plastics material is made.Main body 100 comprises base portion 110, sidewall 120,

recess

130a, 130b and 130c(are corresponding to the recess of the main body in claim), recess 140 and protuberance 150.Base portion 110 has first surface 111 and is positioned at the second surface 112 in a side contrary to this first surface 111.Sidewall 120 vertically stands still for a long while in the ring of the periphery of the first surface 111 along base portion 110.The first surface 111 of base portion 110 has border circular areas, and at the center of this border circular areas, column protuberance 150 vertically extends.The recess that base portion 110, sidewall 120 and protuberance 150 limit as accommodation space S.Sidewall 120 comprises the wall surface 121 as the inner wall surface in a side of accommodation space S, and as the wall surface 122 that is positioned at the outer wall surface in a side contrary to wall surface 121.

As shown in Figure 1B to Fig. 3 C, the second surface 112 of base portion 110 is formed with recess 140.This recess 140 comprises central portion 141 and a plurality of branching portion 142.Central portion 141 is to be as shown in Figure 3 A and Figure 3 B the roughly recess of round truncated cone.Branching portion 142 is the microscler recesses that radially extend from central portion 141.Any branching portion in branching portion 142 all has that to be less than the terminal bodies 210a(of terminal 200a to be described) the longitudinal size of longitudinal size.Any branching portion in branching portion 142 all has the lateral dimension of the lateral dimension that is less than terminal bodies 210a.

Terminal 200a is embedded in base portion 110 and sidewall 120 as shown in Fig. 2 B to Fig. 3 C.Terminal 200b as shown in Fig. 2 B to Fig. 3 C, be embedded in base portion 110 terminal 200a along in a side of second direction X.Terminal 200c be embedded in terminal 200a along on the opposite side of second direction X.

Terminal 200a is the metallic plate as shown in Fig. 2 B to Fig. 4.Terminal 200a comprises terminal bodies 210a,

sections

220a, 230a and 240a, and connecting portion 250a and 260a.Terminal bodies 210a has first surface 211a and is positioned at the second surface 212a in a side contrary to this first surface 211a.Terminal bodies 210a is embedded in base portion 110 first surface 211a is partly exposed from the first surface 111 of base portion 110, and second surface 212a is partly exposed by the branching portion 142 of the recess 140 of base portion 110.The exposure portion of the first surface 211a of terminal bodies 210a surrounds protuberance 150.It should be understood that Fig. 2 C shows the molded plastic product that wherein sealant 300 is removed.

Sections 220a is that the plate continuous with longitudinal end of terminal bodies 210a and it bend to terminal bodies 210a and meets at right angles.Sections 220a has first surface 221a and is positioned at the second surface 222a in a side contrary to this first surface 221a.Sections 220a is embedded in sidewall 120 first surface 221a is exposed from the wall 121 of sidewall 120.Particularly, the end being arranged on first surface 221a distolateral along another of third direction is embedded in sidewall 120, and the remainder of first surface 221a exposes from the wall surface 121 of sidewall 120.The second surface 222a of sections 220a is fixed to sidewall 120.Sections 220a is positioned at accommodation space S and recess 130a(is to be described) between.

Sections 230a is that the plate continuous with longitudinal end of terminal bodies 210a and it bend to terminal bodies 210a and meets at right angles.Sections 230a has first surface 231a and is positioned at the second surface 232a in a side contrary to this first surface 231a.Sections 230a is embedded in sidewall 120 first surface 231a is exposed from the wall 121 of sidewall 120.Particularly, the end being arranged on first surface 231a distolateral along another of third direction is embedded in sidewall 120, and the remainder of first surface 231a exposes from the wall surface 121 of sidewall 120.The second surface 232a of sections 230a is fixed to sidewall 120.Sections 230a is positioned at accommodation space S and recess 130b(is to be described) between.

Sections 240a is that the plate continuous with longitudinal end of terminal bodies 210a and it bend to terminal bodies 210a and meets at right angles.Sections 240a has first surface 241a and is positioned at the second surface 242a in a side contrary to this first surface 241a.Sections 240a is embedded in sidewall 120 first surface 241a is exposed from the wall 121 of sidewall 120.Sections 240a is positioned at accommodation space S and recess 130c(is to be described) between.Particularly, the end being arranged on first surface 241a distolateral along another of third direction is embedded in sidewall 120, and the remainder of first surface 241a exposes from the wall surface 121 of sidewall 120.The second surface 242a of sections 240a is fixed to sidewall 120.Sections 230a and sections 240a mutually face and extend along the direction that is orthogonal to sections 220a.

Connecting portion 250a, from the transverse end of terminal bodies 210a, more specifically says from the partial continuous along a side of first direction Y of sections 230a and extends to the side along second direction X.Connecting portion 250a is embedded in base portion 110 except its distal portion.The distal portion of connecting portion 250a is outstanding from the outer surface of base portion 110.The distal portion of connecting portion 250a bends to its lower surface is flushed with the second surface 112 of base portion 110 substantially.Connecting portion 260a, from another transverse end of terminal bodies 210a, more specifically says from the part along a side of first direction Y of sections 240a and extends to continuously along the opposite side of second direction X.Connecting portion 260a is embedded in base portion 110 except its distal portion.The distal portion of connecting portion 260a is outstanding from the outer surface of base portion 110.The distal portion of connecting portion 260a bends to its lower surface is flushed with the second surface 112 of base portion 110 substantially.

Terminal 200b is metallic plate as shown in Fig. 2 B to Fig. 4.Terminal 200b comprises terminal bodies 210b and connecting portion 220b.Terminal bodies 210b has first surface 211b and is positioned at the second surface 212b in a side contrary to this first surface 211b.Terminal bodies 210b is embedded in base portion 110 first surface 211b is partly exposed from the first surface 111 of base portion 110, and the branching portion 142 of second surface 212b by the recess 140 in base portion 110 partly exposes.The exposure portion of the first surface 211b of terminal bodies 210b in protuberance 150 along in a side of second direction X.Connecting portion 220b extends along second direction X continuously from the end along first direction Y of terminal bodies 210b.Connecting portion 220b is embedded in base portion 110 except its distal portion.The distal portion of connecting portion 220b is outstanding from the outer surface of base portion 110.The distal portion of connecting portion 220b bends to its lower surface is flushed with the second surface 112 of base portion 110 substantially.

Terminal 200c is metallic plate as shown in Fig. 2 B to Fig. 4.Terminal 200c comprises terminal bodies 210c and connecting portion 220c.Terminal bodies 210c has first surface 211c and is positioned at the second surface 212c in a side contrary to this first surface 211c.Terminal bodies 210c is embedded in and in base portion 110, makes first surface 211c partly expose and the branching portion 142 of second surface 212c by the recess 140 base portion 110 partly exposes from the first surface 111 of base portion 110.The exposure portion of the first surface 211c of terminal bodies 210c in protuberance 150 along on the opposite side of second direction X.Connecting portion 220c extends along second direction X continuously from the end along first direction Y of terminal bodies 210c.Connecting portion 220c is embedded in base portion 110 except its distal portion.The distal portion of connecting portion 220c is outstanding from the outer surface of base portion 110.The distal portion of connecting portion 220c bends to its lower surface is flushed with the second surface 112 of base portion 110 substantially.

Recess 130a, recess 130b and recess 130c are arranged in sidewall 120.More specifically, recess 130a as shown in Figure 1A and Fig. 3 A, be positioned at terminal 200a sections 220a along in a side of first direction Y.Recess 130b as shown in Figure 1A and Fig. 3 C, be positioned at terminal 200a sections 230a along in a side of second direction X.Recess 130c as shown in Figure 1A and Fig. 3 C, be positioned at terminal 200a sections 240a along on the opposite side of second direction X.

As shown in Figure 1A, recess 130a is the microscler recess extending along second direction X.The size along second direction X of recess 130a is less than the size along second direction X of sections 220a.As shown in Figure 3A, recess 130a comprises the first edge 131a, the second edge 132a and inclined surface (slope) 133a.Inclined surface 133a is the inwall in a side that is positioned at sections 220a of recess 130a.The first edge 131a is the edge in the open side that is positioned at recess 130a (along a side of third direction Z) of inclined surface 133a.The first edge 131a contacts with the second surface 222a of sections 220a.The second edge 132a is the edge on the bottom side that is positioned at recess 130a (along the opposite side of third direction Z) of inclined surface 133a.Inclined surface 133a and sections 220a extend to the second edge 132a from the first edge 131a at angle, and the distance between sections 220a and inclined surface 133a is increased gradually.This layout allows the almost whole second surface 222a of sections 220a to be embedded in sidewall 120.

As shown in Figure 1A, recess 130b is the microscler recess extending along first direction Y.The size along first direction Y of recess 130b is less than the size along first direction Y of sections 230a.As shown in Figure 3 C, recess 130b comprises the first edge 131b, the second edge 132b and inclined surface (slope) 133b.Inclined surface 133b is the inwall of a side that is positioned at sections 230a of recess 130b.The first edge 131b is the edge in the open side that is positioned at recess 130b (along a side of third direction Z) of inclined surface 133b.The first edge 131b contacts with the second surface 232a of sections 230a.The second edge 132b is the edge on the bottom side that is positioned at recess 130b (along the opposite side of third direction Z) of inclined surface 133b.Inclined surface 133b and sections 230a extend to the second edge 132b from the first edge 131b at angle, and the distance between sections 230a and inclined surface 133b is increased gradually.This layout allows the almost whole second surface 232a of sections 230a to be embedded in sidewall 120.

As shown in Figure 1A, recess 130c is the microscler recess extending along first direction Y.The size along first direction Y of recess 130c is less than the size along first direction Y of sections 240a.As shown in Figure 3 C, recess 130c comprises the first edge 131c, the second edge 132c and inclined surface (slope) 133c.Inclined surface 133c is the inwall in a side that is positioned at sections 240a of recess 130c.The first edge 131c is the edge in the open side that is positioned at recess 130c (along a side of third direction Z) of inclined surface 133c.The first edge 131c contacts with the second surface 242a of sections 240a.The second edge 132c is the edge on the bottom side that is positioned at recess 130c (along the opposite side of third direction Z) of inclined surface 133c.Inclined surface 133c and sections 240a extend to the second edge 132c from the first edge 131c at angle, and the distance between sections 240a and inclined surface 133c is increased gradually.This layout allows the almost whole second surface 242a of sections 240a to be embedded in sidewall 120.

Sealant 300 is insulating plastics material, and as Figure 1B to Fig. 2 B, shown in Fig. 3 A to Fig. 3 C and Fig. 5, sealing agent is filled in recess 140 and is fixed to main body 100 and terminal 200a, 200b and 200c.Sealant 300 has central portion 310 and a plurality of branching portion 320.As shown in Figure 3 A and Figure 3 B, central portion 310 is central portions 141 truncated cone shape and that fill recess 140 roughly.Branching portion 320 is the microscler spines of radially extending from central portion 310, and they fill the branching portion 142 of recess 140.Some branching portions in branching portion 320 are fixed to the terminal bodies 210a of main body 100 and terminal 200a.Some other branching portions 320 are fixed to main body 100, the terminal bodies 210b of the terminal bodies 210a of terminal 200a and terminal 200b.Residue branching portion 320 is fixed to main body 100, the terminal bodies 210c of the terminal bodies 210a of terminal 200a and terminal 200c.

Above-mentioned molded plastic product can utilize the first molding die and the second molding die to manufacture as shown in Fig. 6 A to Fig. 6 C.The first molding die comprises the first mould 10 and the second mould 20.The second molding die comprises the 3rd mould 30 and the 4th mould 40.

The first mould 10 has protuberance 11, recess 12,

projection

13a, 13b and 13c and cast gate 14.Protuberance 11 has the shape of the accommodation space S in the main body 100 that adapts to molded plastic product.Recess 12 surrounds protuberance 11 and has the shape of the sidewall 120 that adapts to main body 100.Cast gate 14 is arranged on protuberance 11 places.

As shown in Figure 6A, projection 13a is arranged on the bottom of recess 12, and along first direction Y from protuberance 11 to the spaced apart certain distance of a side.Projection 13a has the shape of the recess 130a that adapts to main body 100.In other words, projection 13a is the microscler spine of extending along second direction X.Projection 13a comprises the first edge 13a1, the second edge 13a2 and inclined surface 13a3.Inclined surface 13a3 is towards protuberance 11.The first edge 13a1 is the basal edge of the inclined surface 13a3 of projection 13a.Distance between the first edge 13a1 and protuberance 11 is identical with the distance between second surface 222a with the first surface 221a of sections 220a (that is, identical with the gauge of sections 220a) substantially.The second edge 13a2 is the remote edge of the inclined surface 13a3 of projection 13a.Inclined surface 13a3 and protuberance 11 extend to the second edge 13a2 from the first edge 13a1 at angle, and the distance between protuberance 11 and inclined surface 13a3 is increased gradually.

As shown in Figure 6 C, projection 13b is arranged on the bottom of recess 12, and along second direction X from protuberance 11 to the spaced apart certain distance of a side.Projection 13b has the shape of the recess 130b that adapts to main body 100.In other words, projection 13b is the microscler spine of extending along first direction Y.Projection 13b comprises the first edge 13b1, the second edge 13b2 and inclined surface 13b3.Inclined surface 13b3 is towards protuberance 11.The first edge 13b1 is the basal edge of the inclined surface 13b3 of projection 13b.Distance between the first edge 13b1 and protuberance 11 is identical with the distance between second surface 232a with the first surface 231a of sections 230a (that is, identical with the gauge of sections 230a) substantially.The second edge 13b2 is the remote edge of the inclined surface 13b3 of projection 13b.Inclined surface 13b3 and protuberance 11 extend to the second edge 13b2 from the first edge 13b1 at angle, and the distance between protuberance 11 and inclined surface 13b3 is increased gradually.

As shown in Figure 6 C, projection 13c is arranged on the bottom of recess 12, and along second direction X from protuberance 11 to the spaced apart certain distance of opposite side.Projection 13c has the shape of the recess 130c that adapts to main body 100.In other words, projection 13c is the microscler spine of extending along first direction Y.Projection 13c comprises the first edge 13c1, the second edge 13c2 and inclined surface 13c3.Inclined surface 13c3 is towards protuberance 11.The first edge 13c1 is the basal edge of the inclined surface 13c3 of projection 13c.Distance between the first edge 13c1 and protuberance 11 is identical with the distance between second surface 242a with the first surface 241a of sections 240a (that is, identical with the gauge of sections 240a) substantially.The second edge 13c2 is the remote edge of the inclined surface 13c3 of projection 13c.Inclined surface 13c3 and protuberance 11 extend to the second edge 13c2 from the first edge 13c1 at angle, and the distance between protuberance 11 and inclined surface 13c3 is increased gradually.

The second mould 20 comprises recess 21 and projection 22.Recess 21 has the shape of the profile of the base portion 110 that adapts to main body 100.Projection 22 is arranged on the bottom of recess 21.Projection 22 has central portion 22a and a plurality of branching portion 22b.Central portion 22a has the shape of the central portion 141 of the recess 140 that adapts to main body 100.Branching portion 22b be adapt to main body 100 recess 140 branching portion 142 microscler spine and from central portion 22a, radially extend.Any branching portion in branching portion 22b all has the longitudinal size of the longitudinal size of the terminal bodies 210a that is less than terminal 200a.Any branching portion in branching portion 22b all has the lateral dimension of the lateral dimension that is less than terminal bodies 210a.

When the first mould 10 and the second mould 20 mutually combine, protuberance 11, recess 12,

projection

13a, 13b and 13c, recess 21 and projection 22 limit the cavity C 1 of the first moulds 10 and the second mould 20.This cavity C 1 has and adapts to the profile of main body 100 and from the shape of outstanding connecting

portion

250a, 260a, 220b and 220c of this main body 100.

The 3rd mould 30 is substantially identical with the shape of the first mould 10 except cast gate 14 is not set.The 4th mould 40 is except projection 22 not being set and being provided with cast gate 42 substantially identical with the shape of the second mould 20.When the 3rd mould 30 and the 4th mould 40 mutually combine, protuberance 31, recess 32,

projection

33a, 33b and 33c and recess 41 limit the cavity C 2 of the 3rd moulds 30 and the 4th mould 40.This cavity C 2 has the shape of the profile that adapts to molded plastic product.

Below with reference to Fig. 6 A to Fig. 6 C, describe by utilizing the first mould 10 and the second mould 20 and the 3rd mould 30 and the 4th mould 40 to manufacture the method for molded plastic product.First, the sections 220a of terminal 200a is inserted between protuberance 11 and projection 13a, the sections 230a of terminal 200a is inserted between protuberance 11 and projection 13b, the sections 240a of terminal 200a is inserted between protuberance 11 and projection 13c.In inserted sections 220a, its first surface 221a and protuberance 11 be butt partly, the first edge 13a1 butt of its second surface 221b and projection 13a.In other words, sections 220a is maintained between the first edge 13a1 of protuberance 11 and projection 13a (referring to Fig. 6 A).Here it should be noted, the second edge 13a2 of projection 13a does not contact with the second surface 222a of sections 220a with inclined surface 13a3.In inserted sections 230a, its first surface 231a and protuberance 11 be butt partly, and the first edge 13b1 butt of its second surface 232a and projection 13b.In other words, sections 230a is maintained between the first edge 13b1 of protuberance 11 and projection 13b (referring to Fig. 6 C).Here it should be noted, the second edge 13b2 of projection 13b does not contact with the second surface 232a of sections 230a with inclined surface 13b3.In inserted sections 240a, its first surface 241a and protuberance 11 be butt partly, and the first edge 13c1 butt of its second surface 242a and projection 13c.In other words, sections 240a is maintained between the first edge 13c1 of protuberance 11 and projection 13c (referring to Fig. 6 C).Here it should be noted, the second edge 13c2 of projection 13c does not contact with the second surface 242a of sections 240a with inclined surface 13c3.

Next step is sealing the first mould 10 and the second mould 20.Then, terminal 200a, 200b and 200c are accommodated in the cavity C 1 of the first mould 10 and the second mould 20, and the terminal bodies 210a of terminal 200a, 200b and 200c, 210b and 210c are remained between the protuberance 11 of the first mould 10 and the projection 22 of the second mould 20.More specifically, terminal bodies 210a is maintained between some branching portions in the branching portion 22b of protuberance 11 and projection 22.Terminal bodies 210a and terminal bodies 210b are maintained between other branching portions 22b of protuberance 11 and projection 22.Terminal bodies 210a and terminal bodies 210c are maintained between the residue branching portion 22b of protuberance 11 and projection 22.

Next step is that the first ambroin R1 is injected into the cavity C 1 of the first mould 10 and the second mould 20 to fill this cavity C 1 from cast gate 14.The the first ambroin R1 injecting is hardened.Therefore the first ambroin R1 is molded as the main body 100 with recess 140 and

recess

130a, 130b and 130c.The second surface 222a of main body 100 is formed with the recess 140 that adapts to projection 22.The sidewall 120 of main body 100 is formed with

recess

130a, 130b and the 130c that adapts to respectively

projection

13a, 13b and

13c.Terminal

200a, 200b and 200c embed and are molded in main body 100(the first ambroin R1 now) in.

More specifically, terminal 200a, 200b and 200c are arranged in main body as follows.Terminal bodies 210a, 210b and 210c are embedded in the base portion 110 of main body 100.First surface 211a, the 211b of the terminal bodies 210a burying underground, 210b and 210c and 211c partly expose from the first surface 111 of main body 100.Some branching portions 142 of recess 140 by main body 100, the second surface 212a of terminal bodies 210a partly exposes.Other branching portions 142 of recess 140 by main body 100, second surface 212a and the 212b of terminal bodies 210a and 210b partly expose.The residue branching portion 142 of the recess 140 by main body 100, second surface 212a and the 212c of terminal bodies 210a and 210c partly expose.Connecting portion 250a and 260a, 220b, 220c are embedded in the base portion 110 of main body 100 except their distal portion, and these distal portion are outstanding from main body 100.Sections 220a, 230a and 240a are embedded in the sidewall 120 of main body 100.Sections 220a, the 230a burying underground and first surface 221a, the 231a of 240a and 241a expose from the wall 121 of sidewall 120.The first edge 131a, 131b and the 131c of sections 220a, the 230a burying underground and second surface 222a, the 232a of 240a and 242a difference butt recess 130a, 130b and 130c, and they are covered by the plastic material of inclined surface 133a, the 133b of recess 130a, 130b and 130c, 133c inner side respectively.Then open the first mould 10 and the second mould 20 terminal 200a, 200b and the 200c to take out main body 100 and wherein to be buried underground.

Next step is main body 100 and terminal 200a, 200b and 200c to be put into the cavity C 2 of the 3rd mould 30 and the 4th mould 40.The recess 140 of the 4th mould 40 sealing main bodys 100 is to limit the space between the 4th mould 40 and recess 140.This space (recess 140) is filled with the second ambroin R2 injecting from cast gate 42.The the second ambroin R2 injecting is hardened to form sealant 300.Therefore sealant 300 is fixed to main body 100 and terminal 200a, 200b and 200c.Then open the 3rd mould 30 and the 4th mould 40 to take out main body 100, terminal 200a, 200b and 200c, and sealant 300.Above-mentioned is the method for manufacturing molded plastic product.

Above-mentioned molded plastic product at least has following technical characterictic.First, when molded body 100, sections 220a is maintained between the protuberance 11 of the first mould 10 and the first edge 13a1 of projection 13a; Sections 230a is maintained between the protuberance 11 of the first mould 10 and the first edge 13b1 of projection 13b; And sections 240a is maintained between the protuberance 11 of the first mould 10 and the first edge 13c1 of projection 13c.In addition, terminal bodies 210a, 210b and 210c are maintained between the protuberance 11 of the first mould 10 and the projection 22 of the second mould 20.This layout is convenient to terminal 200a to locate and remain in cavity C 1.Therefore, be provided with for keeping and compare with the situation of the extra section of location with terminal 200a wherein, so locate and the terminal 200a that keeps can be miniaturized, thereby whole molded plastic product can be minimized.Terminal 200a, 200b and 200c bend to substantially the damage that is subject to the injection pressure when the first ambroin R1 is injected to cavity C 1 with respect to the rectangular sections 220a of terminal bodies 210a, 230a and 240a.Yet sections 220a, 230a and 240a are unlikely because injection pressure moves or be out of shape, this is because they are maintained between the first edge of protuberance 11 and projection as mentioned above.In addition, be easy to sections 220a to be inserted between protuberance 11 and the first edge 13a1, this is to move with the inclined surface 13a3 along the first mould 10 because sections 220a is directed between the first edge 13a1 of protuberance 11 and projection 13a.This favorable characteristics is also applicable for sections 230a and 240a.

Further advantageously, the first mould 10 forms inclined surface 13a3, the 13b3 of

projection

13a, 13b and 13c and 13c3 and protuberance 11 is extended at angle, and the distance between protuberance 11 and each inclined surface is increased gradually.When

sections

220a, 230a and 240a are maintained between the first edge 13a1, the 13b1 of protuberance 11 and

projection

13a, 13b and 13c and 13c1, have such space, these spaces form second surface 222a, the 232a at inclined surface 13a3,13b3 and 13c3 and

sections

220a, 230a and 240a of cavity C 1, the part between 242a.These spaces will be filled with the first ambroin R1.Therefore, second surface 222a, the 232a of

sections

220a, 230a and 240a, 242a can suitably be embedded in the first edge 13a1,13b1 and the 13c1 butt that simultaneously makes

second surface

222a, 232a, 242a and

projection

13a, 13b and 13c in plastic material, so that

location sections

220a, 230a and 240a.

Further advantageously, when molded body 100, terminal 200a, 200b and 200c are maintained between the protuberance 11 of the first mould 10 and the projection 22 of the second mould 20.Projection 22 provides the recess 140 that adapts to projection 22 in the second surface 112 of main body 100.This recess 140 is filled with sealant 300, makes molded plastic product have improved insulation, waterproof and dustproof characteristic and can not increase the thickness of goods.And, be filled in recess 140 and be fixed to main body 100 and the sealant 300 of terminal 200a, 200b is difficult to separated.

Further advantageously, recess 140 is configured as and comprises central portion 141 and a plurality of branching portion 142, and branching portion 142 be microscler shape and from central portion 141, radially extend.This layout allows this second ambroin R2 to flow into branching portion 142 from central portion 141 by the second ambroin R2 being injected to central portion 141 with mold encapsulant 300.In other words, above-mentioned layout has been improved the mobility of the second ambroin R2, makes more easily by the second ambroin R2(sealant 300) injection recess 140.

But molded plastic product of the present invention, molding die and the method for manufacturing this molded plastic product are not limited to above-mentioned embodiment can improve by any way according to claim.Below by some modifications of describing in concrete modification.

The main body 100 of above-mentioned embodiment comprises base portion 110, sidewall 120, recess 130a, 130b and 130c, recess 140 and protuberance 150.Main body of the present invention can be modified as any main body, and this main body comprises: base portion; Sidewall, this sidewall stands still for a long while on base portion and comprises wall surface, and the sections of terminal is embedded in and in sidewall, makes the first surface of sections expose from the wall surface of sidewall; And recess, this recess is arranged in this sidewall, and as long as the recess of main body comprises the first edge in the open side that is positioned at this recess, the second surface of this first EDGE CONTACT sections; Be positioned at the second edge on the bottom side of this recess; And the inclination or the curved surface that from the first edge, extend to the second edge, the distance between sections and inclination or curved surface is increased gradually.Main body needs at least one recess.The longitudinal size of recess can be substantially equal to or be greater than or even be less than the longitudinal size of sections.The first edge can be the edge of (along in a side of third direction Z) in the open side that is positioned at recess of curved surface.The second edge can be the edge of (along on the opposite side of third direction Z) on the bottom side that is positioned at recess of curved surface.Recess 140 can be removed by province.

The sidewall 120 of above-mentioned embodiment is the annular wall of erectting along the periphery of base portion 110.Sidewall of the present invention can be any wall that stands still for a long while on base portion and have wall surface.For example, the plane of sidewall can be essentially rectangular, arch or U-shaped.In arbitrary situation in these situations, sidewall and base portion can limit a space.This space can be provided for any purposes.Above-mentioned accommodation space S also can be provided for any purposes.The wall surface of sidewall can stand still for a long while at angle with base portion.

The terminal 200a of above-mentioned embodiment has terminal bodies 210a,

sections

220a, 230a and 240a, and connecting portion 250a and 260a.The present invention needs at least one to be provided with the terminal of at least one sections.For example, each terminal all can have terminal bodies and sections, and sections can be continuous and crooked with respect to this terminal bodies with terminal bodies.Terminal bodies can be embedded in base portion to partly expose from the first surface of base portion and at least one second surface.Alternatively, terminal bodies can be embedded in base portion to partly expose by the recess being arranged in the first surface of base portion and at least one in second surface.At least one sections can be as in embodiment with respect to meet at right angles bending or can be with respect to terminal bodies with arbitrarily angled bending of terminal bodies.

The sections 220a of above-mentioned embodiment is embedded in sidewall 120, and first surface 221a is partly exposed from the wall surface 121 of sidewall 120.At least one sections of the present invention can be modified, as long as it has first surface, with being arranged in the second surface in a side contrary to this first surface and being embedded in sidewall, first surface is exposed and second surface contacts the first edge of the recess of sidewall from the wall surface of sidewall.For example, at least one sections can be embedded in sidewall whole first surface is exposed from the wall surface of

sidewall.Sections

230a and 240a can modify in a similar manner.Terminal 200b and 200c can be removed by province.

The terminal 200a of embodiment is configured so that the distal portion of its connecting

portion

250a and 260a is outstanding from the outer surface of the base portion 110 of main body 100.Terminal 200a needs at least one connecting portion.A connecting portion of terminal of the present invention or a plurality of connecting portion can be outstanding from the outer surface of main body.One or more connecting portions of terminal are not in the situation that pin, cable or other jockeys that they are connected in main body can be outstanding from main body.Terminal 200b and 200c can modify in a similar manner.

Sealant 300 can be removed by province.The sealant 300 of embodiment has the central portion 310 of the central portion 141 of filling recess 140, and a plurality of branching portions 320 of filling the branching portion 142 of recess 140.Sealant of the present invention can be modified, as long as its is filled the recess in the outer surface of main body and is fixed to main body and the part exposing by recess of terminal.In other words, sealant can be modified according to the shape of the recess in the outer surface of main body.

The first mould 10 of embodiment has protuberance 11, recess 12,

projection

13a, 13b and 13c, and cast gate 14.The first mould of the present invention can be modified by any way, as long as it comprise the protuberance that can contact with the first surface of sections and with the projection of this protuberance setting spaced apart, and as long as projection comprises: be positioned at the first edge in the base side of this projection, this first edge can contact with the second surface of sections, and this second surface is positioned at the opposition side of first surface; Be positioned at the second edge of the distal side of projection; And the inclination or the curved surface that from the first edge, extend to the second edge, the distance between protuberance and inclination or curved surface is increased gradually.For example, the first mould can have recess, is arranged on the protuberance in this recess, and is arranged in this recess and the projection spaced apart with protuberance.The first edge can be the edge of (along in a side of third direction Z) in the open side that is positioned at projection of curved surface.The second edge can be the edge of (along on the opposite side of third direction Z) in the base side that is positioned at projection of curved surface.

The projection 13a of embodiment, 13bHe13cShi spine.Yet the first mould of the present invention needs at least one projection, described at least one projection can be any protuberance or any microscler spine.The longitudinal size of at least one projection can be substantially equal to or be greater than or even be less than the longitudinal size of at least one sections.

The second mould 20 of embodiment comprises recess 21 and projection 22.The second mould of the present invention can be to be configured to be combined with the first mould to form any mould of cavity, and this cavity can be taken at least one sections of at least one terminal.

The above-mentioned manufacture method of molded plastic product can be modified as any method, described method comprises the sections of at least one terminal is inserted between the protuberance and projection of the first mould, and the first surface that makes sections contacts protuberance and makes the first edge of second surface contact protrusion, and thus sections is remained between protuberance and the first edge; Seal the first mould and the second mould and be placed in the cavity of the first mould and the second mould to the sections of major general's terminal; And ambroin is injected to cavity and this ambroin that hardens sections is embedded in to this ambroin.

In embodiment, when the first mould 10 and the second mould 20 are closed, terminal 200a is placed in the cavity C 1 of the first mould 10 and the second mould 20, and the terminal bodies 210a of terminal 200a is maintained between the protuberance 11 of the first mould 10 and the projection 22 of the second mould 20.This layout can be modified, as long as at least one sections of terminal is placed in the cavity of the first mould and the second mould when the first mould and the second mould are closed.For example, the terminal bodies of terminal can partly or entirely be remained between the first mould and the second mould, and at least one sections of terminal is maintained between the protuberance of the first mould and the first edge of projection simultaneously.Alternatively, can be by least one sections of terminal being remained in the cavity that between the protuberance of the first mould and the first edge of projection, the terminal bodies of terminal is arranged on to the first mould and the second mould in the air.

The manufacture method of embodiment comprises for utilizing the step of the 3rd mould 30 and the 4th mould 40 mold encapsulant 300.Manufacture method of the present invention is not to utilize the step of the 3rd mould and the 4th mould.

Only it should be understood that by example in upper embodiment and the modification described.The material of molded plastic product and shaping dies, shape, size, quantity, layout and other structure can be modified by any way, as long as they can carry out identity function.

Claims

1. a molding die, described molding die comprises the first mould and the second mould, described the first mould and described the second mould have the cavity of the sections that is configured at least to take in terminal, wherein,

Described the first mould comprises:

The protuberance that can contact with the first surface of described sections; With

With the projection of the spaced apart setting of described protuberance, and

Described projection comprises:

Be positioned at the first edge in the base side of described projection, described the first edge can contact with the second surface of described sections, and described second surface is positioned at the opposition side of described first surface;

Be positioned at the second edge on the distal side of described projection; And

Tilt or curved surface, this inclination or curved surface extend to described the second edge from described the first edge, and the distance between described protuberance and described inclination or curved surface is increased gradually.

2. molding die according to claim 1, wherein,

The described cavity of described the first mould and described the second mould is configured to take in terminal bodies and the described sections of described terminal, and described sections and described terminal bodies are continuous and crooked with respect to described terminal bodies.

3. molding die according to claim 2, wherein,

Described the first mould and described the second mould are configured to described terminal bodies be accommodated in the described cavity of described the first mould and described the second mould and described terminal bodies is partly remained between described the first mould and described the second mould.

4. utilize molding die according to claim 1 to manufacture a method for molded plastic product, described method comprises:

The described sections of described terminal is inserted between the described protuberance and described projection of described the first mould, make the described first surface of described sections contact and make described first EDGE CONTACT of described second surface and described projection with described protuberance, and thus described sections is remained between described protuberance and described the first edge;

When being placed in the described cavity of described the first mould and described the second mould, the described sections to terminal described in major general seals described the first mould and described the second mould; And

Ambroin is injected to described cavity and make this ambroin sclerosis so that described sections is embedded in to this ambroin.

5. the method for manufacture molded plastic product according to claim 4, wherein,

The described sections of described terminal is placed on to described cavity and comprises the terminal bodies of described terminal and described sections are placed in described cavity, described sections and described terminal bodies are continuously and crooked with respect to described terminal bodies.

6. the method for manufacture molded plastic product according to claim 5, wherein,

Described terminal bodies is placed on to described cavity to be comprised described terminal bodies is partly remained between described the first mould and described the second mould.

7. a molded plastic product, described molded plastic product comprises:

Terminal, described terminal comprises sections, described sections has first surface and is positioned at the second surface in a side contrary to this first surface; And

Main body, described main body comprises:

Base portion;

Stand still for a long while on described base portion and comprise the sidewall of wall surface, the described sections of described terminal is embedded in and in described sidewall, makes the described first surface of described sections expose from the described wall surface of described sidewall; And

Be arranged on the recess in described sidewall, described recess comprises:

Be positioned at the first edge in the open side of described recess, the described second surface of sections described in described the first EDGE CONTACT;

Be positioned at the second edge on the bottom side of described recess; And

Tilt or curved surface, this inclination or curved surface extend to described the second edge from described the first edge, and the distance between described sections and described inclination or curved surface is increased gradually.

8. molded plastic product according to claim 7, wherein,

Described terminal also comprises the terminal bodies being embedded in described base portion, and

Described sections and described terminal bodies are continuous and crooked with respect to described terminal bodies.

9. according to the molded plastic product described in claim 7 or 8, wherein,

Described main body also comprises the accommodation space being limited by described sidewall, and

Described wall surface is arranged on the side of described accommodation space.