CN201136274Y

CN201136274Y - Flow-passage-separating structure

Info

Publication number: CN201136274Y
Application number: CNU2007200589789U
Authority: CN
Inventors: 王国强
Original assignee: Mitac Precision Technology Shunde Ltd
Current assignee: Mitac Precision Technology Shunde Ltd
Priority date: 2007-10-31
Filing date: 2007-10-31
Publication date: 2008-10-22
Anticipated expiration: 2017-10-31

Abstract

The utility model discloses a flow channel separating structure which is used for separating a flow channel out from a cavity insert, so as to further prevent the phenomenon that the flow channel is bound with the cavity insert. The flow channel separating structure is characterized in that a through hole is arranged on the cavity insert, a top block is arranged in the through hole, the through hole is composed of a first punch hole and a second punch hole, the inner diameters of the first punch hole and the second punch hole are different, but the circle centers thereof are in the same straight line, the top block is fitted in the through hole, and is provided with a hanging end and a top part, the hanging end passes through the first punch hole of the through hole, and the top part passes through the second punch hole of the through hole to reach the upper side of the flow channel and to be tightly clung to a slide insert, besides, the hanging end is connected with a cavity plate through an elastic component, during mould opening, the elastic force of the elastic component is utilized to push the top block connected with the elastic component to move towards a male die, thus, the top block further holds the flow channel, so as to enable the flow channel to be left on the male die, but not to bound on the cavity insert, thereby smoothly separating out the flow channel from the cavity insert. The flow channel separating structure has the advantages of simple structure, convenient assembly and great practical value.

Description

The runner isolating construction

Technical field

The utility model relates to a kind of mould structure, and particularly a kind of runner that prevents clings mother module core runner is carried out and the mother module core separated structures when die sinking.

Background technology

At present; for some runners is the situation that is in slide block top in the mould; because being complete moulding, its runner gives on the master mold; to such an extent as under this kind situation; when mold injection finishes and need die sinking, runner bonding usually can occur and give situation on the mother module core, therefore; for next injection moulding bring unfavorable greatly, influenced production efficiency largely.

Summary of the invention

In view of above-mentioned, main purpose of the present utility model is to provide a kind of separating flow tract and template to prevent to cling when the die sinking runner isolating construction of mother module core.

In order to achieve the above object, the utility model has adopted following technical proposals:

Described runner isolating construction comprises that slide block goes into son, be connected with at one caster and mother module core and be positioned at slide block and go into runner between son and mother module core, in addition, this structure is also also offered a through hole and at the mid-jacking block that is provided with of this through hole on above-mentioned mother module core, wherein, first perforation and second of described through hole inconsistent and center one straight line by two internal diameters is bored a hole and is formed, and described top is complementary soon and gives this through hole, and described jacking block has one and hangs end and hang end top touching portion connected vertically with this, and this hangs end for putting first perforated portion that gives through hole, and top touching portion then passes second perforation of this through hole and goes into sub-breaking as for the runner top and with described slide block; Again, described jacking block one end connects by an elastic parts and gives on the caster, and the other end is then put and given the runner top and go into sub-breaking with described slide block for passing above-mentioned through hole.

Pass through said structure, when making die sinking, utilize the elastic force of above-mentioned elastic parts and go into sub-direction toward slide block and move described top is fast, thereby make this jacking block be withstood runner, promptly allow runner stay on the male model and inadhesion is given mother module core and then separated to mother module core smoothly, this is simple in structure, and is easy to assembly, has practical value.

Description of drawings

Fig. 1 is the schematic diagram that described runner isolating construction uses under the matched moulds state;

Figure 1A is the enlarged diagram of the movement travel of next jacking block of matched moulds state;

Fig. 2 is the schematic diagram that described runner isolating construction uses under the die opening state;

Fig. 2 A is the enlarged diagram of the movement travel of next jacking block of die opening state.

The specific embodiment

Below in conjunction with accompanying drawing and the concrete described runner isolating construction of detailed description of implementing.

Runner isolating construction described in the utility model is for being under the situation about being in above the slide block at runner, to separating when the die sinking between runner and the master mold.

Shown in figure 1, this described runner isolating construction includes slide block and goes into son 12, is connected with caster 10 and mother module core 11 at one, and be positioned at the runner 23 that slide block is gone into

son

12 and 11 of mother module cores, in addition, shown in goodbye Fig. 1, this structure is offered a through hole 22 and a jacking block 21 on above-mentioned mother module core 11.

Wherein, described through hole 22 is that first perforation, 220 and second perforation 221 of and center one straight line inconsistent by two internal diameters forms, and its first perforation, 220 internal diameters near caster 10 are greater than the internal diameter from second perforation 221 of giving caster 10, and this described through hole 22 can be a counter sink; Described jacking block 21 closes for being complementary to give this through hole 22 and have one and hangs end 211 and hang end 211 top touching portions 212 connected vertically with this, and this hangs end 211 for putting first perforation, 220 parts of giving through hole 22, this described jacking block 21 hangs end 211 and gives caster 10 for connecting by an elastic parts 24, again, this end and through hole 22 first perforation 220 empty avoidings one segment distance h, make during with matched moulds this end can give rational stroke with order in die sinking and realize that withstanding runner 23 makes it separate from mother module core 11, and also make runner 23 and this jacking block 21 after mother module core 11 separates hang first perforation, 220 parts of giving through hole 22 also to move and break away from runner 23 with master mold at described jacking block 21; Described jacking block 21 other ends, that is 212 of its top touching portions put for second perforation 221 of passing above-mentioned through hole 22 and give runner 23 tops and go into sub 12 breakings with described slide block, directly do not separate to contact with order this end when the matched moulds and give described runner 23 and do not influence the injection moulding of giving mould.

In addition, above-mentioned elastic parts 24 can be a spring, its matched moulds state following time for being in confined state, shown in Fig. 2, and this spring is along with caster 10 and mother module core 11 go into gradually to be the release shape when son 12 breaks away from gradually with slide block when die sinking, and then described jacking block 21 moved toward male model 14 direction places, thereby go into son 12 when breaking away from described caster 10 and mother module core 11 and described slide block, described jacking block 21 is withstood runner 23, promptly allows runner 23 stay on the male model 14 and inadhesion is given mother module core 11 and then broken away from smoothly and gives mother module core 11.

Shown in Fig. 1, Figure 1A and Fig. 2, Fig. 2 A, above-mentioned elastic parts 24 is that caster 10 is given in end installing, and the other end gives described jacking block 21 for connecting, and hanging of wherein said jacking block 21 holds 211 for putting in first perforation 220 of giving through hole 22, during matched moulds, this hangs end 211 for keeping away hole one end distance from h with above-mentioned first perforation 220, and the top touching portion 212 of described jacking block 21 is then put for second perforation 221 of passing through hole 22 and given runner 23 tops and go into sub 12 breakings with described slide block; After treating that injection moulding finishes, during die sinking, along with slide block among caster 10 and mother module core 11 and the figure is gone into separating of son 12, above-mentioned spring is released gradually, and promoting described jacking block 21 moves toward male model 14 direction places, this jacking block 21 withstands described runner 23 and makes it to bond to give above-mentioned mother module core 11, hang

end

211 and 22 first perforation 220 of described through hole when touching when this described jacking block 21, be that it moves an end distance behind h, mother module core 11 separates fully with runner 23, at this moment, 21 of this described jacking blocks also can move with caster 10 and mother module core 11, and then also can break away from and give runner 23.

Claims

1. runner isolating construction, and this structure comprises that slide block goes into son, is connected with at one caster and mother module core and at slide block and goes into runner between son and the mother module core, it is characterized in that, also comprise a jacking block and offer the through hole that gives on the mother module core, wherein, described jacking block one end gives on the caster for connecting by an elastic parts, and its other end is then put and given runner top and go into sub-breaking with described slide block for passing above-mentioned through hole.

2. runner isolating construction as claimed in claim 1 is characterized in that, and first, second perforation center one straight line inconsistent by internal diameter of described through hole formed.

3. runner isolating construction as claimed in claim 1 or 2, it is characterized in that, described jacking block has one and hangs end and hang end top touching portion connected vertically with this, and this countersunk head gives in through hole first perforation for putting, and top touching portion then passes second perforation of this through hole and goes into sub-breaking as for the runner top and with described slide block.

4. runner isolating construction as claimed in claim 1 is characterized in that, described through hole is a counter sink.

5. runner isolating construction as claimed in claim 1 is characterized in that, described elastic parts is a spring.