CN219171476U

CN219171476U - Three-color injection mold with cross-axis water transporting structure

Info

Publication number: CN219171476U
Application number: CN202222873952.7U
Authority: CN
Inventors: 李凤山; 李棠明; 欧永星
Original assignee: Zhongshan Pacific Master Precision Injection Ltd
Current assignee: Zhongshan Pacific Master Precision Injection Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-06-13
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to the technical field of injection molds, in particular to a three-color injection mold with a cross-shaft water conveying structure, which comprises a fixed mold group, a movable mold group and a molding mold group, wherein the molding mold group comprises an upper mold core, a lower mold core and a cross-shaft water conveying mechanism arranged on the lower mold core, the cross-shaft water conveying mechanism is combined with the upper mold core and the lower mold core to form a cavity, the cross-shaft water conveying mechanism comprises a first driving arm and a second driving arm which are arranged in a cross manner, an insert, one end of which is hinged with the first driving arm, a rotating clamp, one end of which is hinged with the second driving arm, and a water outlet pipe, one end of which is connected with the rotating clamp, and the water outlet pipe is arranged on one side of the rotating clamp, which faces the first driving arm and the second driving arm. The application provides a three-color injection mold with crossing axle fortune water structure, it has prolonged the life of outlet pipe, need not frequent change outlet pipe, has reduced the manpower and materials cost of later maintenance.

Description

Three-color injection mold with cross-axis water transporting structure

[ field of technology ]

The utility model relates to the technical field of injection molds, in particular to a three-color injection mold with a cross-shaft water conveying structure.

[ background Art ]

The mold is a variety of molds and tools used in industrial production for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping, etc. to obtain the desired product, and in short, the mold is a tool used for making molded articles. The injection mold is equipment for producing plastic products with various shapes by using a plastic molding mold for thermoplastic plastics or thermosetting materials, is widely used in compression molding or injection molding of engineering plastics, rubber, ceramics and other products, has a specific contour or inner cavity shape, and can enable blanks to obtain corresponding three-dimensional shapes by using the inner cavity shape. The existing injection molding technology is that firstly, plastics are added into a heating charging barrel of an injection machine, the plastics are heated and melted, and then enter 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 are hardened and shaped into injection molding products due to physical and chemical actions.

The adoption of the crossing axle intercommunication outlet pipe among the current three-colour injection mold carries out water-cooling design to the injection molding, among the prior art, the outlet pipe usually sets up in the upper end of crossing axle to in order to rotate the degree of freedom of pincers when rotating, often the outlet pipe can reserve one section length, consequently the outlet pipe buckles for a long time, leads to damaging, and later maintenance cost is higher, and the maintenance needs wholly to demolish the mould, and the maintenance degree of difficulty is great.

[ utility model ]

The utility model aims to provide a three-color injection mold with a cross-shaft 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 comprises a fixed mold group, a movable mold group and a molding mold group arranged between the fixed mold group and the movable mold group, wherein the molding mold group comprises an upper mold core, a lower mold core and a cross-shaft water conveying mechanism arranged on the lower mold core, the cross-shaft water conveying mechanism is combined with the upper mold core and the lower mold core to form a mold cavity, the cross-shaft water conveying mechanism comprises a first driving arm, a second driving arm, an insert, a rotating clamp and a water outlet pipe, the first driving arm and the second driving arm are arranged in a crossing manner, one end of the insert is hinged with the first driving arm, one end of the insert is hinged with the second driving arm, one end of the rotating clamp is connected with the water outlet pipe on the rotating clamp, the water outlet pipe is arranged in the rotating clamp faces one side of the first driving arm and the second driving arm, and when the second driving arm drives the rotating clamp to rotate, and 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-axis water conveying structure comprises the lower mold core, wherein the lower mold core is provided with the annular accommodating cavity for placing the rotating clamp and the insert therein, the cross-axis water conveying mechanism further comprises a first driving device hinged with the first driving arm and a second driving device hinged with the second driving arm, the water outlet pipe is connected to the second driving device, when the second driving device moves far away from the first driving device, the water outlet pipe is driven to move with one end connected with the second driving device, and the second driving arm is synchronously driven to move so as to link the rotating clamp to rotate, so that the water outlet pipe is stretched into a straight state from an initial bending state.

The three-color injection mold with the cross-shaft water conveying structure comprises the fixed seat connected with the fixed mold group, the sliding block connected with the fixed seat in a sliding manner, and the driving group connected with the sliding block, wherein the second driving arm is hinged with the sliding block, the water outlet pipe is connected with the sliding block, and the driving group drives the sliding block to move along the direction close to/far away from the first driving device.

The three-color injection mold with the cross-shaft water conveying structure comprises a fixed column connected and fixed with the sliding block, a driving piece fixed on the fixed module, and a transmission rod connected with the driving piece and the fixed column, wherein a groove is formed in one side, far away from the sliding block, of the fixed column, an opening is formed in one side, facing the transmission rod, of the groove, and the transmission rod penetrates through the opening and is clamped in the groove.

As described above, the three-color injection mold with the cross-axis water transporting structure is characterized in that the two sides of the sliding block are provided with the fixing grooves, and the fixing seat is convexly provided with the flanges corresponding to the fixing grooves.

The three-color injection mold with the cross-shaft water conveying structure, as described above, the second driving device further comprises a pressure sensor arranged on the fixing seat and a guide rod fixed on the sliding block and corresponding to the pressure sensor, a sleeve is sleeved on the guide rod, the two sides of the sleeve form are protruded towards the middle in an inclined mode, a roller is arranged on one side of the guide rod, the sliding block drives the guide rod to move, and the sleeve extrudes the roller to trigger the pressure sensor to respond.

The three-color injection mold with the cross shaft water conveying structure comprises the forming mold, and further comprises the rotation stopping mechanism arranged corresponding to the cross shaft water conveying mechanism, wherein the rotation stopping mechanism comprises a driving seat and a rotation stopping rod connected with the driving seat, and when the movable mold set faces the fixed mold combined mold, the driving seat pushes the rotation stopping rod to extend into the cross shaft water conveying mechanism so as to lock the cross shaft water conveying mechanism.

The three-color injection mold with the cross-shaft water conveying structure comprises a base fixed on the fixed mold set, a movable seat connected with the base in a sliding mode, a pushing piece fixed on the movable mold plate, and a guide post fixed on the movable mold plate and obliquely penetrating the movable seat, wherein the rotating stopping rod is fixed on the movable seat, an inclined surface is arranged on one side, opposite to the movable seat, of the pushing piece, the base and the movable seat are correspondingly provided with clamping grooves, and when the movable mold set faces the fixed mold combination mold, the pushing piece pushes the movable seat to move towards one side of the cross-shaft water conveying mechanism.

The three-color injection mold with the cross-shaft water conveying structure is characterized in that the base is provided with the limiting groove, and the pushing piece is provided with the protruding portion corresponding to the limiting groove, so that when the movable module faces the fixed mold combined mold, the protruding portion is clamped in the limiting groove to limit the movement of the pushing piece.

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

the three-color injection mold with the cross-shaft water conveying structure comprises a fixed mold group, a movable mold group and a molding mold group arranged between the fixed mold group and the movable mold group, wherein the molding mold group comprises an upper mold core, a lower mold core and a cross-shaft water conveying mechanism arranged on the lower mold core, the cross-shaft water conveying mechanism is combined with the upper mold core and the lower mold core to form a mold cavity, the cross-shaft water conveying mechanism comprises a first driving arm and a second driving arm which are arranged in a cross manner, an insert, one end of which is hinged with the first driving arm, a rotating clamp, one end of which is hinged with the second driving arm, and a water outlet pipe, one end of which is connected with 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, so that the service life of the water outlet pipe is prolonged, the water outlet pipe is not required to be replaced frequently, and the cost of manpower and material resources of later maintenance is reduced.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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 molding die 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 view 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 view of another angle of the second driving device according to the embodiment of the present application.

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

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

[ detailed description ] of the utility model

In order to make the technical problems, technical schemes and beneficial effects solved by the application more clear, the 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 for purposes of illustration only and are not intended to limit the present application.

As shown in fig. 1-9, the embodiment of the application proposes a three-color injection mold with a cross-axis water transporting structure, comprising a fixed mold set 1, a movable mold set 2, and a molding mold set 3 installed between the fixed mold set 1 and the movable mold set 2, wherein the molding mold set 3 comprises an upper core 31, a lower core 32, and a cross-axis water transporting mechanism 33 installed on the lower core 32, the cross-axis water transporting mechanism 33 is combined with the upper core 31 and the lower core 32 to form a cavity, the cross-axis water transporting mechanism 33 comprises a first driving arm 331 and a second driving arm 332 which are arranged in a cross 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, 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 clamping to a straightening state during opening, the water outlet pipe is mainly arranged above the rotating clamp, and the rotating direction of the rotating clamp rotates towards a direction away from the water outlet pipe, so that the water outlet pipe tends to reserve a length, when the water outlet pipe is in a bending state for a long time and drives the water outlet pipe to bend during rotating the rotating clamp, the service life of the water outlet pipe is greatly reduced, the water outlet pipe 335 is arranged below the rotating clamp 334, so that the bending degree of the water outlet pipe 335 and the required bending degree of the water outlet pipe are lower in the whole use process, the service life of the water outlet pipe is prolonged, the water outlet pipe does not need to be replaced frequently, and the cost of manpower and material resources for later maintenance is reduced.

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 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, when the second driving device 337 moves away from the first driving device 336, one end of the water outlet pipe 335 connected with the second driving device 337 is driven to move, and synchronously the second driving arm 332 is driven to move so as to link the rotating clamp 334 to enable the water outlet pipe 335 to be stretched from an initial bending state to a straight state, when the second driving device 337 moves, one end of the water outlet pipe connected with 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 as to drive the rotating clamp 334 to rotate around the annular accommodating cavity 321, and the water outlet pipe 335 is driven to be stretched from the initial bending state to the second bending state, and the service life of the water outlet pipe 335 is reduced.

The second driving device 337 comprises a fixed seat 3371 connected with the fixed module 1, a sliding block 3372 connected with the fixed seat 3371 in a sliding manner, and a driving group 3373 connected with the sliding block 3372, the second driving arm 332 is hinged with the sliding block 3372, the water outlet pipe 335 is connected with the sliding block 3372, the driving group 3373 drives the sliding block 3372 to move along the direction close to/far away from the first driving device 336, the driving group 3373 comprises a fixed column 3374 connected and fixed with the sliding block 3372, a driving piece 3375 fixed on the fixed module 1, and a transmission rod 3376 connected with the driving piece 3375 and the fixed column 3374, an opening 3378 is arranged on one side of the fixed column 3374 far away from the sliding block 3372, the transmission rod 3377 passes through the opening 3378 and is clamped in the groove 3377, the driving group 3373 drives the sliding block 3372 to move along the direction of the sliding block 3372, and the fixed seat 3372 is provided with a flange 3371, and the fixed seat 3372 is provided with a high rigidity and a high fixing groove 3379.

The second driving device 337 further comprises a pressure sensor 338 installed on the fixed seat 3374, and a guide rod 339 fixed on the sleeve 3372 and arranged corresponding to the pressure sensor 338, wherein the guide rod 339 is sleeved with a sleeve 3391, the sleeve 3391 is inclined and protruded towards the middle from both sides, a roller 3381 is arranged on one side of the pressure sensor 338, which faces the guide rod 339, the sleeve 3372 drives the guide rod 339 to move, the sleeve 3391 presses the roller 3381 to trigger the pressure sensor 338 to respond, and the sleeve 3391 is inclined and protruded towards the middle from both sides of the sleeve 3391, so that the moving speed of the sleeve 3372 can be slowed down to a certain extent on the premise of ensuring the detection precision of the pressure sensor 338 on the premise of ensuring the roller 3381, and the relative speeds of the sleeve 3372 and the rotating clamp 334 are prevented from being different, so that the water outlet pipe 335 is damaged by stretching.

The molding die 3 further comprises a rotation stopping mechanism 34 arranged corresponding to the cross-axis water transporting mechanism 33, the rotation stopping mechanism 34 comprises a driving seat 341 and a rotation stopping rod 342 connected with the driving seat 341, when the movable die set 2 is clamped towards 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 so as to lock the cross-axis water transporting mechanism 33, wherein the driving seat 341 comprises a base 3411 fixed on the fixed die set 1, a movable seat 3411 connected with the base 3411 in a sliding manner, a pushing piece 3413 fixed on the movable die set 2 and a guide post 3415 fixed on the movable die set 2 and obliquely penetrating the movable die set 3412, when the movable die set 2 is clamped towards the fixed die set 3412, an inclined face 3416 is arranged on one side opposite to the movable die set 3413, the base 3411 and the movable die set 3412 are correspondingly arranged, when the movable die set 3411 is pushed towards the movable die set 3411, the movable die set 3411 is pushed towards the fixed die set 3411, and the movable die set 3411 is pushed towards the movable die set 3411, and the movable die set 3411 is moved towards the fixed die set 3411, and the fixed die set 3411 is moved towards the fixed 3415, and is moved towards the fixed die set 3411, and is moved towards the fixed on the fixed guide column 3434is moved towards the fixed die set 34is moved, and is fixed on the movable die and is moved, and is fixed on the movable die set 34frame 34and is moved.

The base 3411 is provided with a limit groove 3418, and the pushing member 3413 is provided with a protrusion 3419 corresponding to the limit groove 3418, so that when the moving module 2 is closed towards the fixed module 1, the protrusion 3419 is clamped in the limit groove 3418 to limit the movement of the pushing member 3413.

In summary, the present application has, but is not limited to, the following benefits:

the three-color injection mold with the cross-shaft water conveying structure comprises a fixed mold group 1, a movable mold group 2 and a molding mold group 3 arranged between the fixed mold group 1 and the movable mold group 2, wherein the molding mold group 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-shaft water conveying mechanism 33 is combined with the upper mold core 31 and the lower mold core 32 to form a cavity, the cross-shaft water conveying mechanism 33 comprises a first driving arm 331 and a second driving arm 332 which are arranged in a cross 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, when the second driving arm 332 drives the rotating clamp 334 to rotate, the water outlet pipe is switched from a bending state when the bending state in the mold clamping to a straight state when the mold is opened, the water outlet pipe is frequently replaced to a bending state when the bending state in the bending state, the water outlet pipe is usually long-shaped when the water outlet pipe is in the bending state, the water outlet pipe is usually long-kept in the bending state, the water outlet pipe is frequently long-termed in the service life, and the service life is greatly prolonged, and the service life is prolonged when the water outlet pipe is required to be rotated, and the water outlet pipe is frequently rotates in the bending state and the bending state is greatly longer.

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

The foregoing description of one or more embodiments provided in connection with the specific disclosure is not intended to limit the practice of this application to such description. Any approximation, or substitution of techniques for the methods, structures, etc. of the present application or for the purposes of making a number of technological deductions based on the concepts of the present application should be considered as the scope of protection of the present application.

Claims

1. Three-colour injection mold with cross axle fortune water structure, its characterized in that includes fixed module (1), moves module (2), and install in fixed module (1) with move shaping module (3) between module (2), shaping module (3) include last core (31), lower core (32), and install in cross axle fortune water mechanism (33) on lower core (32), cross axle fortune water mechanism (33) with go up core (31) with lower core (32) combination is in order to form the die cavity, cross axle fortune water mechanism (33) including first actuating arm (331) and second actuating arm (332) that cross set up, one end with first actuating arm (331) articulated mold insert, one end with second actuating arm (332) articulated rotation pincers (334), and one end connect in outlet pipe (335) on rotation pincers (334), outlet pipe (335) set up in rotation pincers (334) towards first actuating arm (331) with second actuating arm (332) are in when bending state when straight driving (332) by the die-sinking state of turning.

2. The three-color injection mold with the cross-axis water transporting structure according to claim 1, wherein the lower mold core (32) is provided with an annular accommodating cavity (321) for placing the rotating clamp (334) and the insert (333) therein, the cross-axis water transporting mechanism (33) further comprises a first driving device (336) hinged with the first driving arm (331) and a second driving device (337) hinged with 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 towards an end connected with the second driving device (337), the water outlet pipe (335) is driven to move towards the end far away from the first driving device (336), and the second driving arm (332) is synchronously driven to move so as to link the rotating clamp (334) to stretch the water outlet pipe (335) from an initial bent state to a straight state.

3. The three-color injection mold with the cross-axis water transporting structure according to claim 2, wherein the second driving device (337) comprises a fixed seat (3371) connected with the fixed mold set (1), a sliding block (3372) connected with the fixed seat (3371) in a sliding manner, and a driving group (3373) connected with the sliding block (3372), the second driving arm (332) is hinged with the sliding block (3372), the water outlet pipe (335) is connected with the sliding block (3372), and the driving group (3373) drives the sliding block (3372) to move along the direction approaching/separating from the first driving device (336).

4. A three-color injection mold with a cross-axis water transporting structure according to claim 3, characterized in that the driving set (3373) comprises a fixed column (3374) fixedly connected with the sliding block (3372), a driving piece (3375) fixedly arranged on the fixed set (1), and a transmission rod (3376) connecting the driving piece (3375) and the fixed column (3374), a groove (3377) is arranged on one side, far away from the sliding block (3372), of the fixed column (3374), an opening (3378) is arranged on one side, facing the transmission rod (3376), of the groove (3377), and the transmission rod (3376) penetrates through the opening (3378) and is clamped in the groove (3377).

5. The three-color injection mold with the cross-axis water transporting structure according to claim 3, wherein fixing grooves (3379) are formed in two sides of the sliding block (3372), and flanges (3370) are arranged on the fixing base (3371) in a protruding mode corresponding to the fixing grooves (3379).

6. A trichromatic injection mold with a cross-axis water transporting structure according to claim 3, wherein the second driving device (337) further comprises a pressure sensor (338) installed on the fixed seat (3371), and a guide rod (339) fixed on the sliding block (3372) and arranged corresponding to the pressure sensor (338), the guide rod (339) is sleeved with a sleeve (3391), the sleeve (3391) protrudes obliquely towards the middle from two sides, a roller (3381) is arranged on one side of the pressure sensor (338) towards the guide rod (339), the sliding block (3372) drives the guide rod (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 transporting structure according to claim 1, wherein the molding module (3) further comprises a rotation stopping mechanism (34) arranged corresponding to the cross-axis water transporting 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) is clamped towards the fixed mold set (1), the driving seat (341) pushes the rotation stopping rod (342) to extend into the cross-axis water transporting mechanism (33) so as to lock the cross-axis water transporting mechanism (33).

8. The three-color injection mold with the cross-axis water transporting structure according to claim 7, wherein the driving seat (341) comprises a base (3411) fixed on the fixed mold set (1), a moving seat (3412) slidably connected with the base (3411), a pushing member (3413) fixed on the moving mold set (2), and a guide post (3415) fixed on the moving mold set (2) and obliquely penetrating through the moving seat (3412), the stop rod (342) is fixed on the moving seat (3412), an inclined surface (3416) is arranged on the opposite side of the pushing member (3413) and the moving seat (3412), a clamping groove (3417) is correspondingly arranged on the base (3411) and the moving seat (3412), and the pushing member (3413) pushes the moving seat (3412) to move towards the cross-axis water transporting mechanism (33) when the moving mold set (2) is closed towards the fixed mold set (1).

9. The three-color injection mold with the cross-axis water transporting structure according to claim 8, wherein a limiting groove (3418) is formed in 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 mold set (2) is closed towards the fixed mold set (1), the protrusion (3419) is clamped in the limiting groove (3418) to limit the movement of the pushing member (3413).