CN206085559U - Sun three -way pipe injection mold - Google Patents

Abstract

The utility model discloses a sun three -way pipe injection mold, including the cover half that can close the relatively body and the movable mould body, close in the face of the axial die cavity that closes two three -way pipes of component at the mould in two semicolumn grooves of the cover half body and two semicolumn grooves of the movable mould body, install on the movable mould is personally experienced sth. Part of the body two with axial die cavity clearance fit's principal mode core, respectively establish the radial die cavity of a three -way pipe in two semicolumn grooves on the cover half body, install a side core in each radial die cavity, side core circumference and radial die cavity clearance fit, during the compound die, the side core tip is T with the laminating of principal mode core and appears. The realization is two three -way pipes of coproduction in same set of mould to two removable bypass mold cores make it can coproduction screw thread mouth or the tee pipe coupling of socket, do not need frequently to carry out the dismouting to a whole set of mould again and change, with the production efficiency who improves the tee pipe coupling widely, reduce the production cost.

Description

A kind of positive three-way pipe injection mold

Technical field

The utility model is related to joint for plastic tube injection mold, particularly can use one kind of production screw thread mouth or/and socket Positive three-way pipe injection mold.

Background technology

The tee pipe coupling bypass interface of PE or PVC plastic expects pipe mainly has two kinds of interface shapes of screw thread mouth or socket, is molded Factory needs that tee pipe coupling of a set of particular manufacturing craft for producing screw thread mouth is used alone, and if desired produces the three-way pipe of socket Joint then needs independent using the injection of another set of particular manufacturing craft；Therefore during the tee pipe coupling of production distinct interface, it is necessary to Mould is changed and debugged on injection machine equipment, and the dismounting and debugging of mould are wasted time and energy, and largely effect on plant produced progress, Yu Qi Industry improve production efficiency is unhelpful, needs to carry out structure of modification to existing mould for this.

Utility model content

To solve the above problems, the utility model aims to provide a kind of positive three-way pipe injection mold, in same mold Change two bypass core rods so as to can simultaneously produce the tee pipe coupling of screw thread mouth or/and socket, it is not necessary to again frequently to whole Mold carries out disassembling, assembling and replacing, greatly to improve the production efficiency of tee pipe coupling, reduces the cost of production.

It is a kind of positive three-way pipe injection mold provided up to above-mentioned purpose, the utility model, including the cover half that can be involutory Body and dynamic model body, it is characterised in that：Two semicolumn grooves of cover half body and two semicolumn grooves of dynamic model body are closed in the face of closing in mould The axial die cavity of two three-way pipes is constituted, two main cores coordinated with axialmode cavity gap are installed on dynamic model body；It is described fixed The radial direction die cavity of a three-way pipe is respectively set in two semicolumn grooves on die body, a side core, side are installed in each radial direction die cavity Core is circumferential to be coordinated with radial mode cavity gap, and during matched moulds, side core end is fitted and T-shaped with main core.

There are four positioning shaft holes, described dynamic model body is provided with four locating shafts, and locating shaft is complete on described cover half body When being fully inserted into positioning shaft hole, cover half body and dynamic model body matched moulds；When cover half body and the dynamic model body demoulding, locating shaft divides with positioning shaft hole From.

Described side core has the smooth cylindrical core in externally threaded thread core or surface, thread core and radial mode for surface Gap between the cavity wall of chamber be used for be molded three-way pipe bypass female union, between cylindrical core and radial direction die cavity cavity wall between Gap is used to be molded the straight socket connector of three-way pipe bypass.

Described thread core includes that one is placed on the location-plate in radial mode chamber and an external thread column being socketed with location-plate, institute A special-shaped axis is fixed at the location-plate center stated, and described external thread column center is provided with the jack fixed with special-shaped axis grafting；Pass through Special-shaped axis is capable of achieving the assembling of thread core with jack grafting.

Described dynamic model body top is fixed with a support, and support includes that two longitudinally align with the semicolumn groove on dynamic model body Arc shaped tile, arc shaped tile bottom is connected with dynamic model body, and two arc shaped tile tops are connected by a fixed plate；On described support One core-pulling mechanism is installed, core-pulling mechanism includes described main core.

Described core-pulling mechanism also includes the traveller that each main core top is slidably matched with arc shaped tile, is also connected to including one The linkage board on two traveller tops and one it is fixed in fixed plate and is used to drive the hydraulic jack that linkage board moves up and down, it is described The expansion link bottom of hydraulic jack be connected with linkage board；When hydraulic jack drives expansion link to push down on, linkage board In driving two main core insertion axial direction die cavities, main core is set to be used to be molded the supervisor of three-way pipe with the gap of axial die cavity, instead It, expansion link is moved up, and linkage board drives two main cores to exit axial die cavity, you can realization is entered in type three-way pipe The row demoulding.

The edge of arc shaped tile be fixed with slide rail, described traveller edge is provided with the chute being slidably matched with slide rail；It is logical The cooperation of slide rail and chute is crossed, the axial centre for making main core never deviates axial die cavity axis, it is ensured that be molded Three-way pipe pipe thickness is uniformly without deforming.

The beneficial effects of the utility model are：Realize producing two three-way pipes simultaneously in same mold, and it is replaceable Two bypass core rods so as to can simultaneously produce the tee pipe coupling of screw thread mouth or/and socket, it is not necessary to again frequently to a whole set of mould Tool carries out disassembling, assembling and replacing, greatly to improve the production efficiency of tee pipe coupling, reduces the cost of production.

Description of the drawings

Fig. 1 is three-dimensional assembling structure decomposing schematic representation of the present utility model.

Fig. 2 is the structural perspective that core-pulling mechanism of the present utility model is arranged on dynamic model body by support.

Structural perspective when Fig. 3 is the core-pulling mechanism actuating main core demoulding of the present utility model.

Fig. 4 is the stereochemical structure decomposing schematic representation of two side cores of the present utility model and the assembling of cover half body.

Fig. 5 is the dimensional structure diagram that two side cores of the present utility model are arranged in cover half body.

Stereochemical structure decomposing schematic representation when Fig. 6 is cover half body of the present utility model and the dynamic model body demoulding.

Structural perspective when Fig. 7 is cover half body of the present utility model and dynamic model body matched moulds.

Fig. 8 is the structure sectional view of the three-way pipe of production bypass screw thread mouth of the present utility model.

Fig. 9 is the structure sectional view of the three-way pipe of production bypass straight cutting mouth of the present utility model.

Accompanying drawing is designated in figure：10. cover half body；11. positioning shaft holes；20. dynamic model bodies；21. locating shafts；30. semicolumn grooves； 31. radial direction die cavities；40. core-pulling mechanisms；41. main cores；42. travellers；421. chute；43. linkage boards；44. hydraulic jacks；441. Expansion link；50. supports；51. arc shaped tiles；511. slide rail；52. fixed plates；60. cylindrical cores；70. thread cores；71. location-plates； 711. special-shaped axis；72. external thread columns；721. jack.

Specific embodiment

The utility model is further illustrated with reference to the accompanying drawings and examples.

A kind of positive three-way pipe injection mold as shown in Fig. 1, Fig. 6 and Fig. 7, including the cover half body 10 and dynamic model that can be involutory Body 20, has four positioning shaft holes 11 on cover half body 10, dynamic model body 20 is provided with four locating shafts 21, and locating shaft 21 is fully-inserted During positioning shaft hole 11, cover half body 10 and the matched moulds of dynamic model body 20；Two semicolumn grooves 30 of cover half body 10 and two of dynamic model body 20 Semicolumn groove 30 is closed in the face of closing the axial die cavity for constituting two three-way pipes in mould.

As shown in FIG. 1 to 3, two masters coordinated with axialmode cavity gap are installed on dynamic model body 20 of the present utility model Core 41；The top of dynamic model body 20 is fixed with a support 50, and support 50 is longitudinal with the semicolumn groove 30 on dynamic model body 20 including two The arc shaped tile 51 of contraposition, the bottom of arc shaped tile 51 is connected with dynamic model body 20, and the top of two arc shaped tile 51 is connected by a fixed plate 52 Connect；One core-pulling mechanism 40 is installed, core-pulling mechanism 40 includes described main core 41 on support 50；Core-pulling mechanism of the present utility model 40 also include the traveller 42 that the top of each main core 41 is slidably matched with arc shaped tile 51, are also connected to two tops of traveller 42 including one Linkage board 43 and be fixed in fixed plate 52 and be used to drive the hydraulic jack 44 that linkage board 43 moves up and down, hydraulic jack 44 bottom of expansion link 441 is connected with linkage board 43；The edge of arc shaped tile 51 is fixed with slide rail 511, and the edge of traveller 42 sets There is the chute 421 being slidably matched with slide rail 511；Extended downwardly from by starting the expansion link 441 of hydraulic jack 44 during injection, driven Two main cores 41 under linkage board 43 move downward axial die cavity during insertion matched moulds, or after the completion of injection, by starting liquid The expansion link 441 of compressing cylinder 44 is moved upwards, is made linkage board 43 drive two main cores 41 to move up simultaneously and is extracted axialmode Chamber, makes main core 41 exit the three-way pipe of shaping.

As shown in Fig. 1, Fig. 4～Fig. 6, in two semicolumn grooves 30 on cover half body 10 of the present utility model one three is respectively set The radial direction die cavity 31 of siphunculus, installs a side core in each radial direction die cavity 31, side core is circumferential to be coordinated with the gap of radial direction die cavity 31, During matched moulds, side core end is fitted and T-shaped with main core 41；As shown in Figure 8 and Figure 9, in the present embodiment, side core has two Individual, one is the smooth cylindrical core 60 in surface, and another is that surface has an externally threaded thread core 70, and the utility model screw thread Core 70 includes an external thread column 72 for being placed on the location-plate 71 and in radial mode chamber 31 and the socket of location-plate 71, in location-plate 71 The heart fixes a special-shaped axis 711, and jack 721 and the grafting of special-shaped axis 711 at the center of external thread column 72 are fixed.

As shown in Fig. 6, Fig. 7 and Fig. 2, cover half body 10 and the matched moulds of dynamic model body 20, two semicolumn grooves 30 of cover half body 10 Close in the face of closing the axial die cavity for constituting two three-way pipes in mould with the two of dynamic model body 20 semicolumn grooves 30, then start hydraulic oil Cylinder 44 drives two main cores 41 to insert respectively in corresponding two axial die cavities, as shown in Figure 8 and Figure 9, makes a radial mode The end of thread core 70 in chamber 31 is fitted with a wherein main core 41, constitutes the T-shaped inner core of one three-way pipe of shaping, another footpath Fit with another main core 41 to the end of cylindrical core 60 in die cavity 31, constitute the T-shaped inner core of another three-way pipe of shaping；Molten The plastics pressurization for melting state is injected in each radial direction die cavity 31 and each semicolumn groove 30, makes main core 41 and thread core 70 peripheral Radial direction die cavity 31 and semicolumn groove 30 in plastics connection, you can shaping one have bypass internal orifice screw thread mouth three-way pipe；Together When make in the radial direction die cavity 31 and semicolumn groove 30 of main core 41 and the periphery of cylindrical core 60 peripheral radial direction die cavity 31 and semicolumn Plastics connection in groove 30, you can shaping one has the three-way pipe of bypass straight cutting mouth.Deng plastics cool sizing after, start liquid Compressing cylinder 44 drives two main cores 41 to exit axial die cavity, i.e. main core 41 and the disengaging of three-way pipe main tube cavity, then cover half body 10 separate with the demoulding of dynamic model body 20, cylindrical core 60 and thread core 70 is departed from three-way pipe supervisor's bypass tube chamber, you can to obtain two The individual tee pipe fitting with different bypass connectors.

As shown in figure 4, two radial direction die cavities 31 of the utility model cover half body 10 also can all install cylindrical core 60, so that this Utility model production simultaneously two can have the three-way pipe for bypassing straight cutting mouth in same mould；Can also be the two of cover half body 10 Individual radial direction die cavity 31 all installs thread core 70, you can realize that production simultaneously two has bypass inner thread mouth in one set of die Three-way pipe.

Above example is only for illustration of the utility model, rather than to restriction of the present utility model, the art Those of ordinary skill, in the case of without departing from spirit and scope of the present utility model, can also make various conversion or change. Therefore, the technical scheme of all equivalents should also belong to category of the present utility model, should be limited by each claim.

Claims (7)

1. a kind of positive three-way pipe injection mold, including the cover half body that can be involutory（10）With dynamic model body（20）, it is characterised in that：It is fixed Die body（10）Two semicolumn grooves（30）With dynamic model body（20）Two semicolumn grooves（30）Close in the face of closing composition two in mould The axial die cavity of three-way pipe, dynamic model body（20）On the main cores that two and axialmode cavity gap coordinate are installed（41）；It is described fixed Die body（10）On two semicolumn grooves（30）In respectively set the radial direction die cavity of a three-way pipe（31）, each radial direction die cavity（31）In One side core, side core circumference and radial direction die cavity are installed（31）Gap coordinates, during matched moulds, side core end and main core（41）Patch Merge T-shaped.

2. a kind of positive three-way pipe injection mold as claimed in claim 1, it is characterised in that：Described cover half body（10）On have Four positioning shaft holes（11）, described dynamic model body（20）It is provided with four locating shafts（21）, locating shaft（21）Fully-inserted positioning Axis hole（11）When, cover half body（10）With dynamic model body（20）Matched moulds.

3. a kind of positive three-way pipe injection mold as claimed in claim 1, it is characterised in that：Described side core has for surface Externally threaded thread core（70）Or the cylindrical core that surface is smooth（60）.

4. a kind of positive three-way pipe injection mold as claimed in claim 3, it is characterised in that：Described thread core（70）Including one It is placed on radial direction die cavity（31）In location-plate（71）With one and location-plate（71）The external thread column of socket（72）, described location-plate （71）A special-shaped axis is fixed at center（711）, described external thread column（72）Center is provided with and special-shaped axis（711）What grafting was fixed inserts Hole（721）.

5. a kind of positive three-way pipe injection mold as claimed in claim 1, it is characterised in that：Described dynamic model body（20）Top is solid Surely there is a support（50）, support（50）Including two and dynamic model body（20）On semicolumn groove（30）The arc shaped tile of longitudinal direction contraposition （51）, arc shaped tile（51）Bottom and dynamic model body（20）It is connected, two arc shaped tiles（51）Top passes through a fixed plate（52）Connection； Described support（50）One core-pulling mechanism of upper installation（40）, core-pulling mechanism（40）Including described main core（41）.

6. a kind of positive three-way pipe injection mold as claimed in claim 5, it is characterised in that：Described core-pulling mechanism（40）Also wrap Include each main core（41）Top and arc shaped tile（51）The traveller being slidably matched（42）, also it is connected to two travellers including one（42）Top The linkage board at end（43）And one be fixed on fixed plate（52）It is upper to be used to drive linkage board（43）The hydraulic jack for moving up and down （44）, described hydraulic jack（44）Expansion link（441）Bottom and linkage board（43）It is connected.

7. a kind of positive three-way pipe injection mold as claimed in claim 6, it is characterised in that：Arc shaped tile（51）Edge consolidate Surely there is slide rail（511）, described traveller（42）Edge is provided with and slide rail（511）The chute being slidably matched（421）.