CN115648550A - Three-color injection mold with crossed-shaft water conveying structure - Google Patents

Abstract

The invention relates to the technical field of injection molds, in particular to a three-color injection mold with a crossed-axis water conveying structure, which comprises a fixed mold group, a movable mold group and a forming mold group, wherein the forming mold group comprises an upper mold core, a lower mold core and a crossed-axis water conveying mechanism, the crossed-axis water conveying mechanism comprises a first driving arm and a second driving arm which are arranged in a crossed manner, an insert with one end hinged to the first driving arm, a rotating clamp with one end hinged to the second driving arm and a water outlet pipe with one end connected to the rotating clamp, the water outlet pipe is arranged on one side, facing the first driving arm and the second driving arm, of the rotating clamp, and a protection piece fixed on the fixed mold group is arranged on one side of the water outlet pipe. The application provides a three-colour injection mold with crossing axle fortune water structure, it has prolonged the life of outlet pipe, need not frequently to change the outlet pipe, has reduced the manpower and materials cost of later maintenance.

Description

Three-color injection mold with crossed-shaft water conveying structure

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of injection molds, in particular to a three-color injection mold with a crossed-axis water conveying structure.

[ background ] A method for producing a semiconductor device

The mold is a variety of molds and tools for obtaining a desired product by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping, etc. in industrial production, and in short, the mold is a tool for manufacturing a molded article. The injection mold is a device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by utilizing a plastic forming mold, the injection mold is widely used in the molding processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like, the injection mold has a specific outline or an inner cavity shape, and the blank can obtain a corresponding three-dimensional shape by applying the inner cavity shape. The existing injection molding process is that plastic is added into a heating charging barrel of an injection machine, the plastic is heated and melted, enters a mold cavity through a nozzle and a mold pouring system under the pushing of a screw rod or a plunger of the injection machine, and is hardened and molded into an injection molding product due to physical and chemical actions.

Adopt the crossing shaft intercommunication outlet pipe among the current three-colour injection mold, carry out the water-cooling to the injection molding and finalize the design, among the prior art, the outlet pipe sets up in the upper end of crossing shaft usually to in order to rotate the degree of freedom of pincers when rotating, one section length can often be reserved to the outlet pipe, therefore the outlet pipe is buckled for a long time, leads to damaging, and the maintenance cost in later stage is higher, and the maintenance needs wholly demolish the mould, and the maintenance degree of difficulty is great.

[ summary of the invention ]

The invention aims to provide a three-color injection mold with a crossed-axis water conveying structure, which prolongs the service life of a water outlet pipe, does not need to frequently replace the water outlet pipe, and reduces the cost of manpower and material resources for later maintenance.

The application is realized by the following technical scheme: the three-color injection mold with the crossed-shaft water conveying structure comprises a fixed mold group, a movable mold group and a forming mold group arranged between the fixed mold group and the movable mold group, wherein the forming mold group comprises an upper mold core, a lower mold core and a crossed-shaft water conveying mechanism arranged on the lower mold core, the crossed-shaft water conveying mechanism is combined with the upper mold core and the lower mold core to form a mold cavity, the crossed-shaft water conveying mechanism comprises a first driving arm and a second driving arm which are arranged in a crossed mode, an insert with one end hinged to the first driving arm, a rotating clamp with one end hinged to the second driving arm and a water outlet pipe with one end connected to the rotating clamp, the water outlet pipe is arranged on one side, facing the first driving arm and the second driving arm, of the water outlet pipe, a protection piece fixed on the fixed mold group is arranged on one side of the water outlet pipe, and when the second driving arm drives the rotating clamp to rotate, the water outlet pipe is switched from a bending state during mold closing to a straightening state during mold opening.

The three-color injection mold with the cross-shaft water conveying structure is characterized in that the lower core is provided with an annular accommodating cavity for the rotary clamp and the insert to be placed in, the cross-shaft water conveying mechanism further comprises a first driving device hinged to the first driving arm and a second driving device hinged to the second driving arm, the water outlet pipe is connected to the second driving device, the second driving device faces away from the first driving device and drives one end of the water outlet pipe connected with the second driving device to move when moving, and the second driving device is driven to move to link the rotary clamp to rotate so that the water outlet pipe is stretched to be in a straight state from an initial bending state.

As above three-colour injection mold with crossing axle fortune water structure, second drive arrangement include with the fixing base that the cover half unit connection, sliding connection in slider on the fixing base and with the drive group that the slider is connected, the second actuating arm with the slider is articulated, the outlet pipe with the slider is connected, drive group drives the slider is along being close to/keeping away from first drive arrangement direction removes.

As above three-colour injection mold with crossing axle fortune water structure, the drive group include with the slider connect fixed column fixed, be fixed in on the cover half group driving piece and connect the driving piece with the transfer line of fixed column, the fixed column is kept away from be equipped with the recess on one side of slider, the recess orientation be equipped with the opening on one side of transfer line, the transfer line passes opening and joint in the recess.

As above three-colour injection mold with crossing axle fortune water structure, be equipped with the fixed slot on the slider both sides, correspond on the fixing base the protruding flange that is equipped with of fixed slot.

As above three-colour injection mold with crossing axle fortune water structure, second drive arrangement still including install in pressure sensor on the fixing base and be fixed in on the slider and correspond the guide bar that pressure sensor set up, the cover is equipped with the sleeve on the guide bar, the sleeve shape is both sides towards middle slope protrusion, pressure sensor orientation be equipped with the gyro wheel on one side of guide bar, the slider drives the guide bar removes, the sleeve extrusion the gyro wheel is in order to trigger pressure sensor responds.

As above three-colour injection mold with crossing axle fortune water structure, forming die is still including corresponding the mechanism that splines that crossing axle fortune water mechanism set up, the mechanism that splines including drive seat and with the rotation stopping rod that the drive seat is connected the movable mould group orientation during the cover half composite mold, drive seat promotes the rotation stopping rod stretches into crossing axle fortune water mechanism, it is right with crossing axle fortune water mechanism locks.

The three-color injection mold with the cross-shaft water conveying structure comprises a driving seat, a stop rod, a fixed mold assembly, a movable mold plate and a guide post, wherein the driving seat comprises a base fixed on the fixed mold assembly, a movable seat connected with the base in a sliding mode, a pushing part fixed on the movable mold plate and a guide post fixed on the movable mold assembly and obliquely arranged on the movable seat in a penetrating mode, the stop rod is fixed on the movable seat, an inclined surface is arranged on one side, opposite to the pushing part and the movable seat, of the pushing part, a clamping groove is correspondingly formed in the base and the movable seat, and when the movable mold assembly faces the fixed mold assembly, the pushing part pushes the movable seat to move towards one side of the cross-shaft water conveying mechanism.

According to the three-color injection mold with the cross-shaft water conveying structure, the base is provided with the limiting groove, the pushing piece is provided with the protruding part corresponding to the limiting groove, so that when the movable mold unit faces the fixed mold combined mold, the protruding part is clamped in the limiting groove to limit the pushing piece to move.

Compared with the prior art, the method has the following advantages:

the invention discloses a three-color injection mold with a crossed-axis water conveying structure, which comprises a fixed mold group, a movable mold group and a forming mold group arranged between the fixed mold group and the movable mold group, wherein the forming mold group comprises an upper mold core, a lower mold core and a crossed-axis water conveying mechanism arranged on the lower mold core, the crossed-axis water conveying mechanism is combined with the upper mold core and the lower mold core to form a mold cavity, the crossed-axis water conveying mechanism comprises a first driving arm and a second driving arm which are arranged in a crossed mode, an insert with one end hinged to the first driving arm, a rotating clamp with one end hinged to the second driving arm and a water outlet pipe with one end connected to the rotating clamp, the water outlet pipe is arranged on one side, facing the first driving arm and the second driving arm, of the rotating clamp, a protection part fixed on the fixed mold group is arranged on one side of the water outlet pipe, the service life of the water outlet pipe is prolonged, frequent replacement of the water outlet pipe is not needed, and the manpower and material costs of later maintenance are reduced.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a three-color injection mold according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a forming mold according to an embodiment of the present application.

Fig. 3 is an exploded view of a molding die according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a cross-axis water transport mechanism according to an embodiment of the present application.

Fig. 5 is an exploded view of another angle of the cross axis water transport mechanism of an embodiment of the present application.

Fig. 6 is a schematic structural diagram of a second driving device according to an embodiment of the present application.

Fig. 7 is a schematic structural diagram of another angle of the second driving device according to the embodiment of the present application.

Fig. 8 is a schematic structural diagram of a rotation stop mechanism according to an embodiment of the present application.

Fig. 9 is an exploded view of the rotation stop mechanism according to the embodiment of the present application.

[ detailed description ] embodiments

In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

As shown in fig. 1-9, the embodiment of the present invention provides a three-color injection mold having a cross-axis water transport structure, comprising a fixed mold unit 1, a movable mold unit 2, and a forming mold unit 3 installed between the fixed mold unit 1 and the movable mold unit 2, wherein the forming mold unit 3 comprises an upper core 31, a lower core 32, and a cross-axis water transport mechanism 33 installed on the lower core 32, the cross-axis water transport mechanism 33 is combined with the upper core 31 and the lower core 32 to form a cavity, the cross-axis water transport mechanism 33 comprises a first driving arm 331 and a second driving arm 332 arranged in a cross manner, an insert 333 hinged to the first driving arm 331 at one end, a rotating clamp 334 hinged to the second driving arm 332 at one end, and a water outlet pipe 335 connected to the rotating clamp 334 at one end, the water outlet pipe 335 is arranged on a side of the rotating clamp 334 facing the first driving arm 331 and the second driving arm 332, the water outlet pipe 335 is provided with a protection element 4 fixed on the fixed to the fixed mold unit 1, when the second driving arm 332 rotates, the rotating clamp is switched from a state to a state facing the first driving arm 331 and the second driving arm 335, and the water outlet pipe 335 is bent in a long-axis bending state, so that the water outlet pipe bending clamp is bent when the rotating clamp is bent, and the water outlet pipe is bent, the water outlet pipe is bent state, and the water outlet pipe is bent state, the water outlet pipe is greatly reduced in a long-bent state, its life who has prolonged the outlet pipe need not frequent change outlet pipe, has reduced the manpower and materials cost of later maintenance.

The lower core 32 is provided with an annular accommodating cavity 321 in which the rotating clamp 334 and the insert 333 are placed, the cross shaft water conveying mechanism 33 further includes a first driving device 336 hinged to the first driving arm 331 and a second driving device 337 hinged to the second driving arm 332, the water outlet pipe 335 is connected to the second driving device 337, when the second driving device 337 moves away from the first driving device 336, the end of the water outlet pipe 335 connected to the second driving device 337 is driven to move, and the second driving arm 332 is driven to move synchronously to link the rotating clamp 334 to rotate, so that the water outlet pipe 335 is stretched from an initial bent state to a straight state, when the second driving device 337 moves, the end of the water outlet pipe 335 connected to the second driving device 337 moves backwards along with the second driving device 337, and the second driving device 337 drives the second driving arm 332 to move backwards, so that the rotating clamp 334 is driven to rotate around the annular accommodating cavity 321, and the end of the water outlet pipe 335 connected to the lower driving device 337 tilts towards the second driving device 337, so that the water outlet pipe 335 is bent state that the life of the water outlet pipe 335 is reduced.

The second driving unit 337 includes a fixed base 3371 connected to the fixed module 1, a sliding block 3372 slidably connected to the fixed base 3371, and a driving unit 3373 connected to the sliding block 3372, the second driving arm 332 is hinged to the sliding block 3372, the water outlet pipe 335 is connected to the sliding block 3372, the driving unit 3373 drives the sliding block 3372 to move toward/away from the first driving unit 336, the driving unit 3373 includes a fixed post 3374 fixedly connected to the sliding block 3372, a driving member 3375 fixed to the fixed module 1, and a transmission rod 3376 connecting the driving member 3375 and the fixed post 3374, a groove 3377 is formed on a side of the fixed post 3374 away from the sliding block 3372, an opening 3378 is formed on a side of the groove 3377 facing the transmission rod 3376, the transmission rod 3376 passes through the opening 3378 and is engaged in the groove 3377, the sliding block 3372 is driven by the driving unit 3373 to move along a length direction of the fixed base 3371, wherein the sliding block 3372 is provided with fixing grooves 3379, a corresponding flange 3370 is formed on both sides of the fixed base 3371, and a high stability of the fixed groove 3379 is convenient for manufacturing process.

The second driving device 337 further includes a pressure sensor 338 mounted on the fixed seat 3374, and a guide bar 339 fixed on the sliding block 3372 and disposed corresponding to the pressure sensor 338, wherein a sleeve 3391 is sleeved on the guide bar 339, the sleeve 3391 is shaped to have two sides obliquely protruding toward the middle, a roller 3381 is disposed on one side of the pressure sensor 338 facing the guide bar 339, the sliding block 3372 drives the guide bar 339 to move, the sleeve 3391 presses the roller 3381 to trigger the pressure sensor 338 to respond, and when the sleeve 3391 contacts the roller 3381 on the pressure sensor 338, the moving speed of the sliding block 3372 can be slowed down to a certain extent on the premise of ensuring the detection accuracy of the pressure sensor 338, so as to avoid tensile damage to the water outlet pipe 335 due to mismatch between the relative speeds of the sliding block 3372 and the rotary clamp 334.

The forming die set 3 further includes a rotation stopping mechanism 34 corresponding to the cross axis water transporting mechanism 33, the rotation stopping mechanism 34 includes a driving seat 341 and a rotation stopping rod 342 connected to the driving seat 341, when the movable die set 2 is closed toward the fixed die set 1, the driving seat 341 pushes the rotation stopping rod 342 to extend into the cross axis water transporting mechanism 33 to lock the cross axis water transporting mechanism 33, wherein the driving seat 341 includes a base 3411 fixed to the fixed die set 1, a movable seat 3412 slidably connected to the base 3411, a pushing member 3413 fixed to the movable die plate 2, and a guide post 3415 fixed to the movable die plate 2 and obliquely penetrating the movable seat 3412, the rotation stopping rod is fixed to the movable seat 3412, the pushing member 3413 and the movable seat 3412 are provided with an inclined surface 3416 on the side opposite to each other, the base 3411 and the movable seat 3412 are provided with a catching groove 3417, when the movable die set 2 is pushed toward the fixed die set 1, the movable seat 3412 is moved toward the cross axis water transporting mechanism 3412 to remove the water transporting mechanism from the water transporting mechanism 33, and the movable seat 3412 is moved toward the water transporting mechanism 33 when the movable die set 2 is closed, the movable die set 3412 is moved toward the mold set 3412, the side of the movable die set 3412 is moved toward the mold set 3412, and the movable seat 3412 is moved away from the water transporting mechanism, the mold set 3412, and the water transporting mechanism is moved toward the side of the mold set.

A limiting groove 3418 is formed on the base 3411, and a protrusion 3419 is formed on the pushing member 3413 corresponding to the limiting groove 3418, so that when the movable die set 2 is closed toward the stationary die set 1, the protrusion 3419 is engaged with the limiting groove 3418 to limit the movement of the pushing member 3413.

In summary, the present application has the following beneficial effects, but not limited to:

the invention relates to a three-color injection mold with a crossed-axis water conveying structure, which comprises a fixed mold group 1, a movable mold group 2 and a forming mold group 3 arranged between the fixed mold group 1 and the movable mold group 2, wherein the forming mold group 3 comprises an upper mold core 31, a lower mold core 32 and a crossed-axis water conveying mechanism 33 arranged on the lower mold core 32, the crossed-axis water conveying mechanism 33 is combined with the upper mold core 31 and the lower mold core 32 to form a mold cavity, the crossed-axis water conveying mechanism 33 comprises a first driving arm 331 and a second driving arm 332 which are arranged in a crossed manner, an insert 333 with one end hinged with the first driving arm 331, a rotating clamp 334 with one end hinged with the second driving arm 332 and a water outlet pipe 335 with one end connected to the rotating clamp 334, the water outlet pipe 335 is arranged at one side of the rotating clamp 334 facing to the first driving arm 331 and the second driving arm 332, one side of the water outlet pipe 335 is provided with a protection part 4 fixed on the fixed module 1, when the second driving arm 332 drives the rotating clamp 334 to rotate, the water outlet pipe 335 is switched from a bending state when the dies are closed to a straightening state when the dies are opened, the existing crossed-shaft water transporting mechanism mainly arranges the water outlet pipe above the rotating clamp, and the rotating direction of the rotating clamp is towards a direction far away from the water outlet pipe, so the water outlet pipe always reserves a length, when in use, the water outlet pipe is in the bending state for a long time and drives the water outlet pipe to bend when the rotating clamp rotates, the service life of the water outlet pipe is greatly reduced, and by arranging the water outlet pipe 335 below the rotating clamp 334, the bending degree and the required bending degree of the water outlet pipe 335 are lower in the whole use process, and the service life of the water outlet pipe is prolonged, the water outlet pipe does not need to be frequently replaced, and the manpower and material resource cost of later maintenance is reduced.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus, should not be construed as limiting the present application.

The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures and the like, or several technical deductions or substitutions made on the premise of the conception of the application, should be regarded as the protection scope of the application.

Claims (9)

1. The three-color injection mold with a cross-axis water conveying structure is characterized by comprising a fixed mold set (1), a movable mold set (2) and a forming mold set (3) arranged between the fixed mold set (1) and the movable mold set (2), the molding module (3) comprises an upper mold core (31), a lower mold core (32) and a cross shaft water conveying mechanism (33) arranged on the lower mold core (32), the cross-axis water-carrying mechanism (33) is combined with the upper core (31) and the lower core (32) to form a cavity, the crossed shaft water conveying mechanism (33) comprises a first driving arm (331) and a second driving arm (332) which are arranged in a crossed manner, an insert (333) with one end hinged with the first driving arm (331), a rotating clamp (334) with one end hinged with the second driving arm (332), and a water outlet pipe (335) with one end connected with the rotating clamp (334), the water outlet pipe (335) is arranged on one side of the rotating clamp (334) facing the first driving arm (331) and the second driving arm (332), a protection piece (4) fixed on the fixed module (1) is arranged on one side of the water outlet pipe (335), when the second driving arm (332) drives the rotating clamp (334) to rotate, the water outlet pipe (335) is switched from a bending state during mold closing to a straightening state during mold opening.

2. The three-color injection mold with the cross-axis water conveying structure according to claim 1, wherein the lower core (32) is provided with an annular accommodating cavity (321) for the rotating clamp (334) and the insert (333) to be placed therein, the cross-axis water conveying mechanism (33) further comprises a first driving device (336) hinged to the first driving arm (331) and a second driving device (337) hinged to the second driving arm (332), the water outlet pipe (335) is connected to the second driving device (337), and when the second driving device (337) moves away from the first driving device (336), the second driving device (332) is driven to move to drive one end of the water outlet pipe (335) connected to the second driving device (337), and the second driving arm (332) is driven to move synchronously to link the rotating clamp (334) to rotate, so that the water outlet pipe (335) is stretched from an initial bending state to a straight state.

3. The three-color injection mold with cross-axis water transport structure as claimed in claim 2, wherein the second driving device (337) comprises a fixed base (3371) connected to the fixed mold block (1), a sliding block (3372) slidably connected to the fixed base (3371), and a driving group (3373) connected to the sliding block (3372), the second driving arm (332) is hinged to the sliding block (3372), the water outlet pipe (335) is connected to the sliding block (3372), and the driving group (3373) drives the sliding block (3372) to move toward/away from the first driving device (336).

4. The three-color injection mold with a cross-axis water transport structure according to claim 3, wherein the driving assembly (3373) comprises a fixed post (3374) fixedly connected with the sliding block (3372), a driving member (3375) fixed on the fixed mold assembly (1), and a transmission rod (3376) connecting the driving member (3375) and the fixed post (3374), a groove (3377) is formed on one side of the fixed post (3374) far away from the sliding block (3372), an opening (3378) is formed on one side of the groove (3377) facing the transmission rod (3376), and the transmission rod (3376) passes through the opening (3378) and is clamped in the groove (3377).

5. The three-color injection mold with a cross-axis water transport structure as claimed in claim 3, wherein fixing grooves (3379) are formed on both sides of the sliding block (3372), and a flange (3370) is protruded on the fixing seat (3371) corresponding to the fixing grooves (3379).

6. The three-color injection mold with a cross-axis water transport structure as claimed in claim 3, wherein the second driving device (337) further comprises a pressure sensor (338) mounted on the fixing seat (3371) and a guide bar (339) fixed on the sliding block (3372) and corresponding to the pressure sensor (338), the guide bar (339) is sleeved with a sleeve (3391), the sleeve (3391) is shaped to have two sides obliquely protruding toward the middle, a roller (3381) is disposed on one side of the pressure sensor (338) facing the guide bar (339), the sliding block (3372) drives the guide bar (339) to move, and the sleeve (3391) presses the roller (3381) to trigger the pressure sensor (338) to respond.

7. The three-color injection mold with the cross-axis water transport structure according to claim 1, wherein the molding module (3) further comprises a rotation stopping mechanism (34) arranged corresponding to the cross-axis water transport mechanism (33), the rotation stopping mechanism (34) comprises a driving seat (341) and a rotation stopping rod (342) connected with the driving seat (341), and when the movable module (2) closes the mold towards the fixed module (1), the driving seat (341) pushes the rotation stopping rod (342) to extend into the cross-axis water transport mechanism (33) so as to lock the cross-axis water transport mechanism (33).

8. The three-color injection mold with a cross-axis water transport structure according to claim 7, wherein the driving seat (341) comprises a base (3411) fixed to the fixed mold block (1), a movable seat (3412) slidably connected to the base (3411), a pushing member (3413) fixed to the movable mold block (2), and a guiding post (3415) fixed to the movable mold block (2) and obliquely penetrating through the movable seat (3412), the rotation stopping rod (342) is fixed to the movable seat (3412), an inclined surface (3416) is provided on a side of the pushing member (3413) opposite to the movable seat (3412), a catching groove (3417) is correspondingly provided on the base (3411) and the movable seat (3412), and the pushing member (3413) pushes the movable seat (3412) to move toward the cross-axis water transport mechanism (33) when the movable mold block (2) closes toward the fixed mold block (1).

9. The three-color injection mold with cross-axis water transport structure according to claim 8, wherein the base (3411) is provided with a limiting groove (3418), and the pushing member (3413) is provided with a protrusion (3419) corresponding to the limiting groove (3418), so that when the movable mold block (2) is closed towards the fixed mold block (1), the protrusion (3419) is engaged in the limiting groove (3418) to limit the movement of the pushing member (3413).

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