CN203092927U - Casting mold for mold frame on injection molding machine - Google Patents
Casting mold for mold frame on injection molding machine Download PDFInfo
- Publication number
- CN203092927U CN203092927U CN 201220748858 CN201220748858U CN203092927U CN 203092927 U CN203092927 U CN 203092927U CN 201220748858 CN201220748858 CN 201220748858 CN 201220748858 U CN201220748858 U CN 201220748858U CN 203092927 U CN203092927 U CN 203092927U
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- China
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- mold frame
- injection machine
- top mold
- movable panel
- machine top
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Abstract
The utility model provides a casting mold for a mold frame on an injection molding machine, belongs to the technical field of molds, and solves the technical problems that a conventional mold for the mold frame on the injection molding machine is non-uniformly heated, bubbles are easily generated in the mold frame and the mass distribution of the mold frame is non-uniform. The mold for the mold frame on the injection molding machine comprises a body, a heat-insulating plate which is connected to the body, a mobile panel which is detachably connected with the heat-insulating plate, an inner mold plate which abuts against the mobile panel, and a pouring gate, wherein a stirring structure which can shake in the inner mold plate is arranged at the pouring gate. The casting mold has the advantages of uniform heating, bubble elimination, uniform mass distribution and the like.
Description
Technical field
The utility model belongs to technical field of mold, relates to a kind of casting mould that is used for the injection machine top mold frame.
Background technology
Injection machine has another name called injection (mo(u)lding) machine or injector.It is to utilize mould for plastics to make the main former of the plastic products of different shape thermoplastic or thermosetting material.Injection machine can be divided into vertical, horizontal and upright combined type for sleeping in according to the arrangement mode of injection device and clamping apparatus.Injection machine is made up of injecting systems, matched moulds system, Hydraulic Power Transmission System, electric control system, lubricating system, heating and cooling system, safety monitoring system etc. usually.Injection machine is the processing equipment of use amount maximum in the plastic processing industry, not only has a large amount of products directly to produce with injection machine, but also is the key equipment of forming injection stretch blow moulding.China has become first big country that world's molding machine platform spare is produced, promotes Chinese injection machine equipment manufacture industry reasons of development to be: the one, carry out joint and technological cooperation with internationally famous enterprise; The 2nd, the international Bian that Chinese Enterprise has adapted to component of machine gradually purchases mode, has grasped Bian and has purchased channel.Simultaneously, the production of China's injection machine also presents very strong regional characteristic, and ground such as Zhejiang and Guangdong have become the important injection machine production base of the China and even the whole world.
Mould bases on the injection machine is to be used for fixing formation die core, the cooperation position of assurance injection mold, when die frame is to injection machine, the master mold side is fixed on the injection machine front panel, be Immobile, the male model side can be moved together along with injection machine, mould bases generally is connected by pressing plate and injection machine, when the injection machine injection mo(u)lding, bump and rapid movement can take place in mould bases when die sinking and matched moulds, Gu the uniformity of its Mass Distribution has higher requirement, this is one of important difficult problem in the injection machine manufacturing process always.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist at existing technology, a kind of casting mould that is used for the injection machine top mold frame is provided, technical problem to be solved in the utility model is to add stirring structure in the casting mould to mould bases, is heated evenly when making its moulding and can eliminates bubble.
The purpose of this utility model can realize by following technical proposal: a kind of casting mould that is used for the injection machine top mold frame, movable panel that comprises body, is connected thermal insulation board on the body, removably connects with thermal insulation board and the inner formword that reclines with movable panel, it is characterized in that, this mould also comprises a sprue gate, and place, described sprue gate is provided with a stirring structure that can rock in the cavity of being made up of inner formword.
Operation principle of the present utility model is: the shape of the cavity that inner formword forms is identical with the shape of mould bases, thermal insulation board is incubated cavity, after Workpiece shaping also cools off in cavity, remove movable panel, the stirring structure that is positioned at the place, sprue gate can stir at the cavity that inner formword is formed, be it to be stirred can be in time the temperature of metal liquid be stirred in metal liquid enters cavity, and the bubble that produces for cavity inner metal liquid body etc. is got rid of, can be heated evenly when moulding by fine assurance mould bases, Mass Distribution is even.
At above-mentioned a kind of casting mould that is used for the injection machine top mold frame, described stirring structure comprises a cylinder and the stirring piece that links to each other with cylinder piston rod, described stirring piece can be in the sprue gate extend into the cavity of being made up of inner formword.The stirring piece that is connected with cylinder is in metal liquid is poured into the cavity that inner formword forms the time, constantly you stir slowly at cavity, metal liquid in the cavity is stirred, it is heated evenly, but also can get rid of the interior bubble of metal liquid etc.
At above-mentioned a kind of casting mould that is used for the injection machine top mold frame, described stirring piece the inner is plane, and described cylinder piston rod is connected with the stirring piece.What the stirring piece was taken in casting process is stirring action, when cast draws to an end, stir piece and return to the place, sprue gate, only surplus next less opening is blocked at the sprue gate, the inner of stirring port is plane, can carry out moulding to the mould bases end face at place, sprue gate.
At above-mentioned a kind of casting mould that is used for the injection machine top mold frame, described stirring structure comprises a cylinder, and described cylinder piston cylinder and a stirring rod are connected, and described stirring rod can extend in the cavity of being made up of inner formword from the sprue gate.Stirring rod is compared and is stirred piece, stirs more light and slowly, does not worry that metal liquid spills in cavity.
At above-mentioned a kind of casting mould that is used for the injection machine top mold frame, place, described sprue gate is provided with wedge, and described stirring rod is located on the wedge and can moves in wedge.The effect of wedge is that the place, sprue gate is carried out moulding.
At above-mentioned a kind of casting mould that is used for the injection machine top mold frame, described movable panel is provided with heating arrangement.Because the volume of mould bases is bigger, and thickness is bigger, priority time difference during casting metal liquid is bigger, the liquid of entering earlier will inevitably be easy to cooling, if heating arrangement is not set on the movable panel, so, the reasons such as temperature difference in thermal insulation board, movable panel and outside and the cavity, can cause temperature inequality in the cavity, the quality when influencing mould bases moulding and mould bases moulding.
At above-mentioned a kind of casting mould that is used for the injection machine top mold frame, described heating arrangement comprises several oblique fire-bars that is arranged in the movable panel, and described fire-bar links to each other with external power source.Fire-bar in the movable panel can heat movable panel, add the heat-blocking action of the thermal insulation board of movable panel outer end, can guarantee that the temperature in the cavity remains in a certain scope, behind casting complete, slowly reduce heating-up temperature to movable panel, make the metal liquid cooling forming slowly in the cavity.
At above-mentioned a kind of casting mould that is used for the injection machine top mold frame, described heating arrangement comprises that complications are coiled in the heater strip in the movable panel, and described heater strip links to each other with external power source.Compare fire-bar, be easier to the heater strip hole of movable panel is processed, and have the better capacity of heat transmission.
Compared with prior art, the utlity model has following advantage:
1, adopt stirring structure in the casting mould of this injection machine top mold frame, metal liquid has been stirred slowly, not only can eliminate the bubble that produces in the metal liquid, and, also be very helpful for the temperature homogeneity of metal liquid.
2, adopt heating arrangement in the casting mould of this injection machine top mold frame, on movable panel, offer bar-shaped trough, and in these bar-shaped troughs, place fire-bar or heater strip, movable panel is heated, guarantee the constant of the interior temperature of cavity.
Description of drawings
Fig. 1 is the structural representation of this mould among the embodiment one.
Fig. 2 is the structural representation of this mould among the embodiment two.
Fig. 3 is the structural representation of heating arrangement among the embodiment one.
Fig. 4 is the structural representation of another kind of heating arrangement among the embodiment one.
Among the figure, 1, body; 2, thermal insulation board; 3, movable panel; 4, inner formword; 51, stir piece; 52, stirring rod; 6, sprue gate; 7, cylinder; 8, wedge; 91, fire-bar; 92, heater strip.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment one:
As shown in Figure 1, the casting mould of injection machine top mold frame comprises body 1, be connected the thermal insulation board 2 on the body 1, the movable panel 3 that removably connects with thermal insulation board 2, and the inner formword that reclines with movable panel 3, this mould also comprises a sprue gate 6,6 places, described sprue gate are provided with a stirring structure that can rock in the cavity of being made of inner formword, stirring structure comprises a cylinder 7 and the stirring piece 51 that links to each other with cylinder 7 piston rods, stir piece 51 can be in sprue gate 6 extend into the cavity of being made up of inner formword, the stirring piece 51 that is connected with cylinder 7 is in metal liquid is poured into the cavity that inner formword 4 forms the time, constantly you stir slowly at cavity, metal liquid in the cavity is stirred, it is heated evenly, but also can get rid of the interior bubble of metal liquid etc., stir piece 51 the inners and be plane, cylinder 7 piston rods are connected with stirring piece 51, what stirring piece 51 was taken in casting process is stirring action, when cast draws to an end, stir piece 51 and return to 6 places, sprue gate, only surplus next less opening is blocked at sprue gate 6, the inner of stirring port is plane, can carry out moulding to the mould bases end face at 6 places, sprue gate.
As depicted in figs. 1 and 2, movable panel 3 is provided with heating arrangement, because the volume of mould bases is bigger, priority time difference during casting metal liquid is bigger, the liquid of entering earlier will inevitably be easy to cooling, if heating arrangement is not set on the movable panel 3, so, reasons such as temperature difference in thermal insulation board 2, movable panel 3 and outside and the cavity, can cause temperature inequality in the cavity, quality when influencing mould bases moulding and mould bases moulding, heating arrangement comprise the oblique fire-bar 91 that is arranged in the movable panel 3, and fire-bar 91 links to each other with external power source.Fire-bar 91 in the movable panel 3 can heat movable panel 3, add the heat-blocking action of the thermal insulation board 2 of movable panel 3 outer ends, can guarantee that the temperature in the cavity remains in a certain scope, behind casting complete, slowly reduce heating-up temperature to movable panel 3, make the interior metal liquid of cavity cooling forming slowly, certainly, in actual production process, as shown in Figure 4, the heating arrangement heating arrangement can comprise that complications are coiled in the heater strip 92 in the movable panel 3, heater strip 92 links to each other with external power source, compare fire-bar 91, be easier to heater strip 92 holes of movable panel 3 are processed, and have the better capacity of heat transmission.
Embodiment two:
As shown in Figure 2, the content of present embodiment is roughly identical with embodiment one, different is: stirring structure comprises a cylinder 7, cylinder 7 piston cylinders and a stirring rod 52 are connected, described stirring rod 52 can extend in the cavity of being made up of inner formword from sprue gate 6, stirring rod 52 is compared and is stirred piece 51, stir more light and slow, do not worry that metal liquid spills in cavity, 6 places, sprue gate are provided with wedge 8, described stirring rod 52 is located on the wedge 8 and can moves in wedge 8, and the effect of wedge 8 is that 6 places, sprue gate are carried out moulding.
The operation principle of this mould is: the shape of the cavity that inner formword 4 forms is identical with the shape of injection machine top mold frame, 2 pairs of cavitys of thermal insulation board are incubated, after Workpiece shaping also cools off in cavity, remove movable panel 3, the stirring structure that is positioned at 6 places, sprue gate can stir at the cavity that inner formword is formed, be it to be stirred can be in time the temperature of metal liquid be stirred in metal liquid enters cavity, and the bubble that produces for cavity inner metal liquid body etc. is got rid of, can when moulding, be heated evenly by fine assurance mould bases, Mass Distribution is even, and on movable panel 3, also be provided with a heating arrangement, be very helpful for the insulation and the uniformity of metal liquid.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (8)
1. casting mould that is used for the injection machine top mold frame, movable panel (3) that comprises body (1), is connected thermal insulation board (2) on the body (1), removably connects with thermal insulation board (2) and the inner formword (4) that reclines with movable panel (3), it is characterized in that, this mould also comprises a sprue gate (6), and described sprue gate (6) locate to be provided with a stirring structure that can rock in the cavity of being made up of inner formword (4).
2. a kind of casting mould that is used for the injection machine top mold frame according to claim 1, it is characterized in that, described stirring structure comprises a cylinder (7) and the stirring piece (51) that links to each other with cylinder (7) piston rod, and described stirring piece (51) can be from sprue gate (6) extend in the cavity be made up of inner formword (4).
3. a kind of casting mould that is used for the injection machine top mold frame according to claim 2 is characterized in that described stirring piece (51) the inner is plane, and described cylinder (7) piston rod is connected with stirring piece (51).
4. a kind of casting mould that is used for the injection machine top mold frame according to claim 1, it is characterized in that, described stirring structure comprises a cylinder (7), described cylinder (a 7) piston cylinder and a stirring rod (52) are connected, and described stirring rod (52) can extend in the cavity of being made up of inner formword (4) from sprue gate (6).
5. a kind of casting mould that is used for the injection machine top mold frame according to claim 4, it is characterized in that, wedge (8) is located to be provided with in described sprue gate (6), and described stirring rod (52) is located in wedge (8) and goes up and can move in wedge (8).
6. according to claim 1 or 2 or 3 or 4 or 5 described a kind of casting moulds that are used for the injection machine top mold frame, it is characterized in that described movable panel (3) is provided with heating arrangement.
7. a kind of casting mould that is used for the injection machine top mold frame according to claim 6, it is characterized in that, described heating arrangement comprises several oblique fire-bars (91) that is arranged in the movable panel (3), and described fire-bar (91) links to each other with external power source.
8. a kind of casting mould that is used for the injection machine top mold frame according to claim 6, it is characterized in that, described heating arrangement comprises that complications are coiled in the heater strip (92) in the movable panel (3), and described heater strip (92) links to each other with external power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748858 CN203092927U (en) | 2012-12-29 | 2012-12-29 | Casting mold for mold frame on injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748858 CN203092927U (en) | 2012-12-29 | 2012-12-29 | Casting mold for mold frame on injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203092927U true CN203092927U (en) | 2013-07-31 |
Family
ID=48844366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748858 Expired - Fee Related CN203092927U (en) | 2012-12-29 | 2012-12-29 | Casting mold for mold frame on injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203092927U (en) |
-
2012
- 2012-12-29 CN CN 201220748858 patent/CN203092927U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20131229 |