CN201140504Y

CN201140504Y - Mold structure with quickly removing scrapped part

Info

Publication number: CN201140504Y
Application number: CNU2007201757264U
Authority: CN
Inventors: 苏宝堂
Original assignee: Megaforce Co Ltd
Current assignee: Megaforce Co Ltd
Priority date: 2007-09-28
Filing date: 2007-09-28
Publication date: 2008-10-29
Anticipated expiration: 2017-09-28

Abstract

The utility model discloses a mould structure which can wipe off stub bars rapidly. The mould structure is that a support mould is arranged among base plates in a male mould of the mould, a first support body and a second support body are respectively arranged in the support mould, wherein the first support body is provided with at least an elastic part which can be inserted into the male mould and at least a centre which can be inserted into the male mould cavity, one plane of the second support body is provided with at least an elastic body which props up the first support body and at least a cutting knife which can be inserted into the male mould cavity and a boundary position of an injecting passage for materials. The unnecessary stub bars of a shaping product can be wiped off and the shaping product is liftouted when the first and the second support bodies are pushed by a push bar, thereby effectively improving shortages deriven from utilizing manual operation in prior.

Description

Tool is removed the mould structure of stub bar fast

Technical field

The utility model is removed the mould structure of stub bar fast for a kind of tool is provided, especially refer to a kind of at least one elastic parts set on one first base body and at least one thimble of passing through, and by set at least one cutting knife on one second base body, can remove the unnecessary stub bar of curing molding product apace, and described moulding product are ejected operator outside the male model cave.

Background technology

Ejection forming technique has rapid with the economic advantage of processing, therefore, is widely used in a large amount of production plastic processing goods, and its Jet forming machine is configured with two main assemblies, and the one, injection unit, another is a sandwich mold unit; General Jet forming machine is horizontal, and utilizes reciprocating screw heating and jet-out plastic raw material in a mould; Again, Jet forming machine is suitable for use in the processing plastic material very much, and application is very extensive, therefore, as long as the thermoplastic of tool plastic working scope can both be processed.

Existing plastics Jet forming machine (Plastic Injection Machine) is to utilize electric heater that one plastic raw materials is melted, and the plastics that melt is injected in the ready mould again, after supercooling, more described mould is opened, and takes out the moulding product.

Only, aforementioned existing plastics Jet forming machine is after opening described mould taking-up moulding product, still twine on the described moulding product and leave unnecessary unnecessary stub bar, therefore, still must be by the manual mode of operation to remove the unnecessary stub bar of described moulding product, this process then has following listed shortcoming:

, utilize the manual mode of operation to remove the unnecessary stub bar of described moulding product, obviously do not have an economic benefit, increase operating cost simultaneously, can't effectively reduce production costs.

Two, utilize the manual mode of operation to remove the unnecessary stub bar of described moulding product, easily because of human factor influences the progress in man-hour, and the yield of moulding product also is difficult for effectively control.

Therefore, existing plastics Jet forming machine is being opened taking-up with described mould, and remove in the process of unnecessary stub bar of described moulding product, not only reckon without and utilize the manually-operated meeting to increase operating cost, influence the progress in man-hour, cause the yield of described moulding product to be difficult for problems such as effectively control simultaneously.

The real necessity that improvement is arranged of above-described plastics Jet forming machine design is so there is the application of this case.

Because after above-mentioned existing moulding product finish in mould, still must remove the unnecessary stub bar of described moulding product by the manual mode of operation, and then cause and increase operating cost, influence the progress in man-hour, and many shortcomings such as the difficult effective control of moulding product yield; Therefore, utility model designer is through the permanent research and experiment of making great efforts, and cooperates relevant scientific principle, and development and Design goes out the mould structure that a kind of tool of the present utility model is removed stub bar fast finally.

Summary of the invention

Main purpose of the present utility model is: the mould structure that provides a kind of tool to remove stub bar fast, reduce operating cost, and effectively reduce production costs, and improve the yield of moulding product.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of tool is removed the mould structure of stub bar fast, it includes a master tooling and a male mould, wherein said master tooling is provided with a female land area, described female land area is provided with at least one master mold cave, and described male mould also is provided with a deciliter die face, also be provided with on the described deciliter die face just can with corresponding at least one male model cave, described master mold cave, having a raw material between each described male model cave and each the described master mold cave injects, opposite face place in the described deciliter die face of described male mould is provided with a substrate, described substrate is provided with at least one guide rod, make described male mould and described master tooling form blocking, it is characterized in that: also comprise:

One first base body, be located between described substrate and the described male mould, be respectively equipped with at least one elastic parts that can stretch into described male mould on described first base body and can stretch at least one thimble in each described male model cave, described first base body also is provided with a groove;

One second base body, be located in the described groove of described first base body, the one side of described second base body is provided with at least one elastomer of replacing described first base body and can stretches into each described male model cave and described raw material is injected at least one cutting knife of boundary; And

One push rod pushes against the another side of described second base body.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:

One, owing to the unnecessary stub bar of mould structure of the present utility model at removal moulding product, be direct, and need not utilize the manual mode of operation, so obviously have economic benefit by at least one cutting knife and thimble set on the described holder mould, reduce operating cost simultaneously, effectively reduce production costs.

Two, because the utility model is directly by at least one cutting knife and thimble set on the described holder mould, finish the action that ejects of the unnecessary stub bar of removing the moulding product and described moulding product, therefore, can be because of human factor does not influence the progress in man-hour, and the yield of moulding product also can effectively be controlled.

Description of drawings

Fig. 1 is the schematic appearance of the utility model mould structure;

Fig. 2 is an ejection formation action schematic diagram one of the present utility model;

Fig. 3 is an ejection formation action schematic diagram two of the present utility model;

Fig. 4 is an ejection formation action schematic diagram three of the present utility model;

Fig. 5 is an ejection formation action schematic diagram four of the present utility model;

Fig. 6 is an ejection formation action schematic diagram five of the present utility model;

Another is provided with schematic diagram to Fig. 7 for groove of the present utility model.

The specific embodiment

The utility model is the mould structure that a kind of tool is removed stub bar fast, it is applied to have a master tooling and a male mould that has corresponding at least one male model cave in described master mold cave at least one master mold cave, see also Fig. 1, shown in Figure 2, it is the schematic appearance and the ejection formation action schematic diagram one of the utility model mould 1 structure, find out by knowing among the figure, described mould 1 includes a master tooling 11 and a male mould 12, wherein said master tooling 11 is provided with a female land area 111, and described female land area 111 is provided with at least one master mold cave 112; And described male mould 12 also is provided with a deciliter die face 121, also be provided with on the described deciliter die face 121 just can with 112 corresponding at least one male model caves 122, described master mold cave, have a raw material between each described male model cave 122 and each the described master mold cave 112 and inject 120; Again, opposite face place in the described deciliter die face 121 of described male mould 12 is provided with a substrate 123, described substrate 123 is provided with at least one guide rod 124, relies on the guiding of described guide rod 124 to form blocking with described male mould 12 toward described master tooling 11 direction closures.

Rely on above-mentioned basic building block to be able to implement technical characterictic of the present utility model as follows:

See also Fig. 1, shown in Figure 2 again, between described substrate 123, be provided with a holder mould 13 (in the present embodiment described male mould 12 Jie, described holder mould 13 is U word shape), described holder mould 13 connects with the substrate 123 of described male mould 12, (being the hollow part) is provided with one first base body 132 between described substrate 123 and described male mould 12, is respectively equipped with at least one elastic parts 133 (as: spring pressure bar) that stretches into described male mould 12 on described first base body 132 and can stretches at least one thimble 134 in each described male model cave 122; Again, one side (promptly being provided with the opposite face of described elastic parts 133 and described thimble 134) at described first base body 132 is provided with a groove 135 (in the utility model, described groove 135 also can be located at the inside of first base body 132, please read shown in Figure 7), be provided with one second base body 136 in the described groove 135, the one side of described second base body 136 is provided with at least one elastomer 137 (as: elastic gel) of replacing described first base body 132, and can stretch at least one cutting knife 138 that each described male model cave 122 and described raw material are injected 120 boundaries (meaning is unnecessary stub bar place, each described male model cave 122), the another side of described second base body 136 then can be accepted the pushing and pressing of a push rod 139.

So, please see also Fig. 2～shown in Figure 6 simultaneously, it is to be respectively ejection formation action schematic diagram one of the present utility model, two, three, four and five, find out by knowing among the figure, ejection formation sequence of movement of the present utility model is to rely on the guiding of described guide rod 124 with described male mould 12 past described master tooling 11 direction closures, behind the formation blocking (as shown in Figure 2), one raw material 14 is injected 120 through described raw material inject public affairs, master mold cave 122, in 112 and after solidifying (as shown in Figure 3), promote the described elastomer 137 of described second base body, 136 compressions through described push rod 139, making described cutting knife 138 stretch into each described male model cave 122 and raw material injects 120 boundary (as shown in Figure 4) and cuts, succeed, rely on the guiding of described guide rod 124 that described male mould 12 is separated (as shown in Figure 5) with described master tooling 11, and promote described second base body, 136 described elastomers 137 of compression and the described elastic parts 133 of described first base body, 132 compressions through described push rod 139 again, described thimble 134 is stretched in the described male model cave 122, and because of injecting 120 boundary with raw material in each described male model cave 122 of previous cutting, and be able to unnecessary stub bar 141 is removed, and moulding product 142 that will solidify eject (as shown in Figure 6), so continuous circulation aforementioned activities smoothly.

In the present embodiment, aforementioned described push rod 139 promotes the described elastomer 137 of described second base body, 136 compressions, make described cutting knife 138 stretch into each described male model cave 122 and inject the 120 boundaries stage of (as shown in Figure 4) with raw material, because of described female land area 111 and described deciliter die face 121 closures, described elastic parts 133 pushes up described female land area 111, therefore can't promote described first base body 132, so the time can form a gap 130 (as shown in Figure 4) between described male mould 12 and described first base body 132, after treating that described female land area 111 is opened with described deciliter die face 121, because of having had, described elastic parts 133 do not replace, and crack 130 between this moment 132 of described male mould 12 and described first base bodies, promptly disappear because of reclining, described thimble 134 is stretched in the described male model cave 122, and moulding product 142 are ejected (as shown in Figure 6) smoothly, and after push rod 139 is return, rely on the elastic restoring force of described elastic parts 133 that described first base body 132 is return, crack 130 produces once more between 132 of described male mould 12 and described first base bodies and make.

Rely on the above as can be known, mould 1 structure of the present utility model can effectively be improved traditional shortcoming, and has following advantage:

One, owing to the unnecessary stub bar 141 of mould 1 structure of the present utility model at removal products formed 142, is Directly by at least one cutting knife set on the described holder mould 13 138 and thimble 134, and need not utilize artificial Mode of operation so obviously have economic benefit, reduces operating cost simultaneously, effectively reduces production costs.

Two, because the utility model is directly by at least one cutting knife 138 set on the described holder mould 13 With thimble 134, finish the unnecessary stub bar 141 of removal products formed 142 and ejecting of described products formed 142 Action, therefore, can be because human factor affect the progress in man-hour, and the yield of products formed also can effectively be controlled.

More than explanation is just illustrative for the utility model, and nonrestrictive, ordinary skill Personnel understand, in the situation that does not break away from the spirit and scope that claim limits, can make many modifications, Change or equivalence, but but all will fall within the claim restricted portion of the present utility model.

Claims

1, a kind of tool is removed the mould structure of stub bar fast, it includes a master tooling and a male mould, wherein said master tooling is provided with a female land area, described female land area is provided with at least one master mold cave, and described male mould also is provided with a deciliter die face, also be provided with on the described deciliter die face just can with corresponding at least one male model cave, described master mold cave, having a raw material between each described male model cave and each the described master mold cave injects, opposite face place in the described deciliter die face of described male mould is provided with a substrate, described substrate is provided with at least one guide rod, make described male mould and described master tooling form blocking, it is characterized in that: also comprise:

One push rod pushes against the another side of described second base body.

2, tool according to claim 1 is removed the mould structure of stub bar fast, it is characterized in that: more comprise a holder mould, be located between described male mould and described substrate.

3, tool according to claim 2 is removed the mould structure of stub bar fast, it is characterized in that: described holder mould and described substrate connect.

4, tool according to claim 2 is removed the mould structure of stub bar fast, it is characterized in that: described first base body is located between described holder mould and the described male mould.

5, tool according to claim 2 is removed the mould structure of stub bar fast, it is characterized in that: described holder mould is U word shape.

6, tool according to claim 5 is removed the mould structure of stub bar fast, it is characterized in that: described first base body is put the hollow part at described holder mould U word shape.

7, tool according to claim 1 is removed the mould structure of stub bar fast, it is characterized in that: described groove is located at the opposite face that described first base body is provided with described elastic parts and described thimble.

8, tool according to claim 1 is removed the mould structure of stub bar fast, it is characterized in that: described groove is located at the inside of described first base body.

9, tool according to claim 8 is removed the mould structure of stub bar fast, it is characterized in that: described push rod penetrates described substrate and described first base body pushes against described second base body.

10, tool according to claim 1 is removed the mould structure of stub bar fast, it is characterized in that: the another side of described second base body is the opposite face that is provided with described elastomer and described cutting knife.