Glue injection assembly and injection mold

Abstract

The utility model provides a glue injection assembly and an injection mold, the glue injection assembly comprises: a runner plate, one side of which is provided with a second accommodating groove, and the runner plate is used for being accommodated in a first accommodating groove and detachably connected with a liquid inlet plate; one end of the cold nozzle is contained in the second containing groove, and the cold nozzle is used for being assembled on the liquid inlet plate in a sliding mode; and the glue injection plate is detachably connected to the side, away from the cold nozzle, of the runner plate, and the glue injection plate is used for being contained in the containing cavity. In the disassembly process of the cold nozzle, the whole first module does not need to be disassembled, the cold nozzle does not need to be disassembled from the mold core of the first module, only the glue injection plate and the runner plate need to be disassembled, and then the cold nozzle is taken out in a sliding mode, so that the disassembly mode of the cold nozzle is relatively simple, and the cold nozzle is convenient to replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially relates to a glue injection subassembly and injection mold. BACKGROUND

[0002] In the related art, for the mold using needle valve type cold nozzle, the cold nozzle is fixed on the front mold, and the cold water plate and the top plate of the front mold are fixedly connected through the flange plate. When the cold nozzle is disassembled, the cold water plate and the top plate need to be disassembled, so the whole front mold must be disassembled, which leads to a relatively complex disassembly and replacement mode of the cold nozzle. SUMMARY

[0003] The utility model wants to solve the technical problem of providing a glue injection subassembly and injection mold, aiming at solving the problem of the relatively complex disassembly and replacement mode of the cold nozzle of the injection mold in the related art.

[0004] To solve the above technical problems, the utility model provides a glue injection subassembly for installing on the first mold group of the injection mold, the first mold group includes the top plate and the liquid inlet plate arranged on one side of the top plate, the liquid inlet plate is equipped with the first containing groove, the top plate is equipped with the containing cavity in communication with the first containing groove, and the glue injection subassembly includes:

[0005] The flow channel plate is equipped with the second containing groove on one side, and the flow channel plate is used for being accommodated in the first containing groove and being detachably connected with the liquid inlet plate.

[0006] The cold nozzle is accommodated in the second containing groove on one end, and the cold nozzle is used for being slidably assembled on the liquid inlet plate.

[0007] The glue injection plate is detachably connected on the side of the flow channel plate away from the cold nozzle, and the glue injection plate is used for being accommodated in the containing cavity.

[0008] Optionally, the glue injection subassembly further includes:

[0009] The first locking member is assembled on the flow channel plate and connected with the liquid inlet plate, and the first locking member is used for locking the flow channel plate on the liquid inlet plate.

[0010] The second locking member is assembled on the glue injection plate and connected with the flow channel plate, and the second locking member is used for locking the glue injection plate on the flow channel plate.

[0011] Optionally, the flow channel plate is further used for being detachably connected with the liquid inlet plate.

[0012] Optionally, the glue injection subassembly further includes a third locking member, the third locking member is assembled on the glue injection plate and connected with the liquid inlet plate through the flow channel plate, and the third locking member is used for locking the glue injection plate on the liquid inlet plate.

[0013] Optionally, the cold nozzle comprises:

[0014] a sleeve, slidingly assembled on the liquid inlet plate; and,

[0015] an inner core, slidingly assembled in the sleeve, the inner core and the sleeve enclosing a cooling channel, one end of the inner core being outside the sleeve and accommodated in the second accommodating groove.

[0016] Optionally, the sleeve is provided with a liquid inlet and a liquid outlet, both of which are in communication with the cooling channel.

[0017] The outer side of the sleeve is sleeved with a first sealing member and a second sealing member, the first sealing member and the second sealing member being distributed on opposite sides of the liquid inlet and the liquid outlet, and the first sealing member and the second sealing member being used for sealing contact with the liquid inlet plate.

[0018] Optionally, the end of the inner core away from the runner plate is provided with a third sealing member, the third sealing member being sleeved on the outer side of the inner core and sealingly contacting the inner wall of the sleeve.

[0019] Optionally, the end of the inner core away from the runner plate is provided with a first step, the first step being sleeved on the outer side of the inner core and abutting against the inner wall of the sleeve, the inner core, the first step and the sleeve collectively enclosing the cooling channel.

[0020] Optionally, the glue injection plate is provided with a glue injection hole, the runner plate is provided with a glue passing groove and a glue passing channel, the glue passing groove is in communication with the glue injection hole, the glue passing channel is in communication with the glue passing groove, and the cold nozzle is provided with a sprue, the sprue being in communication with the glue passing channel.

[0021] The second aspect of the utility model provides a injection mold, comprising the glue injection assembly, first mold group and second mold group that any one of the above is described, the first mold group is slidingly assembled in one end of the second mold group, the glue injection assembly is detachably connected to the first mold group.

[0022] Compared with the related art, the glue injection assembly and the injection mold have the beneficial effects that in the dismounting process of the cold nozzle, the whole first mold group does not need to be dismounted, and the cold nozzle also does not need to be dismounted from the mold core of the first mold group, only the glue injection plate and the runner plate need to be dismounted, and then the cold nozzle is slidingly taken out, so that the dismounting mode of the cold nozzle is relatively simple, and the cold nozzle is convenient to replace. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related art, the drawings needed to be used in the embodiments or the related art description will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0024] Figure 1 is a structural schematic view of the injection mold provided by the embodiment of the present application;

[0025] Figure 2 is a sectional view of the injection mold in one direction provided by the embodiment of the present application;

[0026] Figure 3 is Figure 2 is an enlarged view of detail A in the above figure;

[0027] Figure 4 is a sectional view of the injection mold in another direction provided by the embodiment of the present application;

[0028] Figure 5 is a structural schematic view of the injection glue assembly provided by the embodiment of the present application;

[0029] Figure 6 is a structural schematic view of the flow channel plate provided by the embodiment of the present application;

[0030] Figure 7 is a structural schematic view of the cold nozzle provided by the embodiment of the present application;

[0031] Figure 8 is a sectional view of the cold nozzle provided by the embodiment of the present application.

[0032] In the drawings, the reference signs represent: 1, flow channel plate; 11, second accommodating groove; 12, glue passing groove; 13, glue passing channel; 2, cold nozzle; 21, outer sleeve; 211, liquid inlet; 212, liquid outlet; 213, third step; 2131, first positioning groove; 2132, second positioning groove; 22, inner core; 221, first step; 2211, third positioning groove; 222, runner; 223, second step; 23, cooling channel; 3, injection glue plate; 31, injection glue hole; 4, first locking member; 5, second locking member; 6, third locking member; 7, first sealing member; 8, second sealing member; 10, injection glue assembly; 20, first mold group; 201, top plate; 202, liquid inlet plate; 30, second mold group. DETAILED DESCRIPTION

[0033] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application, and all other embodiments obtained by those skilled in the art without creative labor on the basis of the embodiments in the present application are within the scope of protection of the present application.

[0034] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0035] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple", "several" is two or more, unless otherwise explicitly specified.

[0036] Embodiment:

[0037] Please refer to Figure 1 , Figure 2 and Figure 4 The injection mold provided by the embodiments of the present application comprises an injection assembly 10, a first mold assembly 20 and a second mold assembly 30, the first mold assembly 20 is slidingly assembled at one end of the second mold assembly 30, and the injection assembly 10 is detachably connected to the first mold assembly 20. When the mold is closed, the first mold assembly 20 slides to be attached to the second mold assembly 30, and the first mold assembly 20 and the second mold assembly 30 jointly enclose a forming cavity, and the injection assembly 10 is used for injecting glue into the forming cavity.

[0038] Please refer to Figures 1 to 8The glue injection assembly 10 is used for being mounted on a first mold set 20 of an injection mold, the first mold set 20 includes a top plate 201 and a liquid inlet plate 202 arranged on one side of the top plate 201, the liquid inlet plate 202 is provided with a first accommodating groove, the top plate 201 is provided with an accommodating cavity in communication with the first accommodating groove, the glue injection assembly 10 includes a runner plate 1, a cold nozzle 2 and a glue injection plate 3, one side of the runner plate 1 is provided with a second accommodating groove 11, the runner plate 1 is used for being accommodated in the first accommodating groove and being detachably connected with the liquid inlet plate 202, one end of the cold nozzle 2 is accommodated in the second accommodating groove 11, the cold nozzle 2 is used for being slidingly assembled on the liquid inlet plate 202, and the glue injection plate 3 is detachably connected to one side of the runner plate 1 away from the cold nozzle 2, and the glue injection plate 3 is used for being accommodated in the accommodating cavity.

[0039] Since the runner plate 1 is detachably connected with the liquid inlet plate 202, the glue injection plate 3 is detachably connected with the runner plate 1, and the cold nozzle 2 is slidingly assembled on the liquid inlet plate 202 and one end of the cold nozzle 2 is located in the second accommodating groove 11, so that after the glue injection plate 3 and the runner plate 1 are detached, the cold nozzle 2 is exposed in the first accommodating groove and the accommodating cavity, at this time, the cold nozzle 2 can be directly taken out, and the detachment of the cold nozzle 2 is completed.

[0040] During the detachment of the cold nozzle 2, the whole first mold set 20 does not need to be detached, the liquid inlet plate 202 and the top plate 201 do not need to be detached and separated, only the glue injection plate 3 and the runner plate 1 need to be detached, and then the cold nozzle 2 is slidingly taken out, so that the detachment mode of the cold nozzle 2 is relatively simple, and the cold nozzle 2 is convenient to replace.

[0041] Please refer to Figure 2 , Figure 3 and Figure 5 , the glue injection assembly 10 further includes a first locking member 4 and a second locking member 5, the first locking member 4 is assembled on the runner plate 1 and connected with the liquid inlet plate 202, and the first locking member 4 is used for locking the runner plate 1 on the liquid inlet plate 202; wherein the first locking member 4 can be a screw, the liquid inlet plate 202 is provided with a screw hole, and the screw is connected in the screw hole, so as to realize the detachable connection between the runner plate 1 and the liquid inlet plate 202. The second locking member 5 is assembled on the glue injection plate 3 and connected with the runner plate 1, and the second locking member 5 is used for locking the glue injection plate 3 on the runner plate 1; wherein the second locking member 5 can be a screw, the runner plate 1 is provided with a screw hole, and the screw is connected in the screw hole, so as to realize the detachable connection between the glue injection plate 3 and the runner plate 1.

[0042] According to actual needs, the first locking member 4 and the second locking member 5 are both provided with a plurality of ones, so as to improve the connection firmness between the runner plate 1 and the liquid inlet plate 202 and between the glue injection plate 3 and the liquid inlet plate 202.

[0043] In some embodiments, the runner plate 1 is further used for being detachably connected with the liquid inlet plate 202, so that not only the runner plate 1 can be fixed on the liquid inlet plate 202, but also the glue injection plate 3 and the runner plate 1 can be detachably connected with the liquid inlet plate 202 as a whole.

[0044] Referring to Figure 4 , the glue injection assembly 10 further comprises a third locking member 6, which is assembled on the glue injection plate 3 and connected with the liquid inlet plate 202 through the runner plate 1, and is used for locking the glue injection plate 3 on the liquid inlet plate 202; wherein the third locking member 6 can be a screw, the runner plate 1 is provided with a through hole, the liquid inlet plate 202 is provided with a screw hole, and the screw passes through the through hole and is connected in the screw hole, so as to realize the detachable connection between the glue injection plate 3 and the liquid inlet plate 202.

[0045] According to actual needs, the third locking member 6 can be provided with multiple ones, so as to improve the connection firmness between the glue injection plate 3 and the liquid inlet plate 202.

[0046] Referring to Figure 3 , Figure 5 , Figure 7 and Figure 8 , the cold nozzle 2 comprises an outer sleeve 21 and an inner core 22, the outer sleeve 21 is used for being slidingly assembled on the liquid inlet plate 202; the inner core 22 is slidingly assembled in the outer sleeve 21, the inner core 22 and the outer sleeve 21 jointly form a cooling channel 23, one end of the inner core 22 is arranged outside the outer sleeve 21 and accommodated in the second accommodating groove 11, so that after the glue injection plate 3 and the runner plate 1 are disassembled, the inner core 22 is exposed in the first accommodating groove, and thus the inner core 22 can be taken out.

[0047] Referring to Figure 2 and Figure 8 , one end of the inner core 22 away from the runner plate 1 is provided with a first step 221, the first step 221 is sleeved on the outer side of the inner core 22 and abuts against the inner wall of the outer sleeve 21, and the inner core 22, the first step 221 and the outer sleeve 21 jointly form the cooling channel 23.

[0048] Referring to Figure 3 and Figure 8 , in some embodiments, one end of the inner core 22 located in the second accommodating groove 11 is provided with a second step 223, the inner core 22 can be taken out by holding the second step 223, so as to facilitate the taking out of the inner core 22.

[0049] Referring to Figure 3 , Figure 7 and Figure 8The outer sleeve 21 is provided with a liquid inlet 211 and a liquid outlet 212, both of which are communicated with the cooling channel 23. The cooling liquid flows into the cooling channel 23 through the liquid inlet 211 and flows out of the cooling channel 23 through the liquid outlet 212. The outer side of the outer sleeve 21 is sleeved with a first sealing member 7 and a second sealing member 8, which are distributed on opposite sides of the liquid inlet 211 and the liquid outlet 212 and are used to be in sealing contact with the liquid inlet plate 202. The first sealing member 7 and the second sealing member 8 can prevent the leakage of the cooling liquid around the liquid inlet 211 or the liquid outlet 212, thereby improving the sealing performance of the cooling system. The first sealing member 7 and the second sealing member 8 can be sealing rings.

[0050] Please refer to Figure 3 , Figure 5 and Figure 7 In some embodiments, the outer sleeve 21 is provided with a third step 213 near one end of the flow channel plate 1. The liquid inlet plate 202 is provided with a stepped groove, and the third step 213 is accommodated in the stepped groove. The third step 213 and the stepped groove cooperate with each other to prevent the outer sleeve 21 from continuing to slide away from the flow channel plate 1. The liquid inlet 211 and the liquid outlet 212 are arranged on the third step 213. The third step 213 is provided with a first positioning groove 2131 and a second positioning groove 2132 in the form of a ring. The first positioning groove 2131 and the second positioning groove 2132 are respectively located on opposite sides of the liquid outlet 212 and the liquid inlet 211. The first sealing member 7 and the second sealing member 8 are respectively assembled in the first positioning groove 2131 and the second positioning groove 2132.

[0051] Please refer to Figure 2 and Figure 8 The inner core 22 is provided with a third sealing member at one end away from the flow channel plate 1. The third sealing member is sleeved on the outer side of the inner core 22 and is in sealing contact with the inner wall of the outer sleeve 21, thereby preventing the cooling liquid in the cooling channel 23 from leaking at the end of the cooling nozzle 2 away from the flow channel plate 1. The third sealing member can be a sealing ring. The first step 221 is provided with a third positioning groove 2211 in the form of a ring. The third sealing member is assembled in the third positioning groove 2211.

[0052] Please refer to Figure 3 , Figure 4 and Figure 6 The glue injection plate 3 is provided with a glue injection hole 31. The flow channel plate 1 is provided with a glue passing groove 12 and a glue passing channel 13. The glue passing groove 12 is communicated with the glue injection hole 31. The glue passing channel 13 is communicated with the glue passing groove 12. The cooling nozzle 2 is provided with a runner 222, which is communicated with the glue passing channel 13. The glue can be injected from the glue injection hole 31, and then flow into the molding cavity through the glue passing groove 12, the glue passing channel 13 and the runner 222.

[0053] Please refer to Figure 6In some embodiments, the glue channel 12 can be a symmetrical channel, and the glue channel 12 is in the shape of an I as a whole, and the glue injection hole 31 is arranged opposite to the middle part of the glue channel 12, so that the glue can flow to the left and right ends of the glue channel 12 uniformly. The number of the cold nozzles 2 is set according to actual needs, for example:

[0054] Please refer to Figure 5 and Figure 6 In a specific example, the cold nozzles 2 can be provided with eight, and the eight cold nozzles 2 are arranged in two rows, each row is provided with four cold nozzles 2, and then the glue channel 13 is provided with eight, and the eight glue channels 13 are arranged in two rows, each row is provided with four glue channels 13.

[0055] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A glue injection assembly for mounting on a first module of an injection mold, the first module comprising a top plate and a liquid inlet plate disposed on one side of the top plate, the liquid inlet plate having a first receiving groove, and the top plate having a receiving cavity communicating with the first receiving groove, characterized in that, The dispensing assembly includes: The flow channel plate has a second receiving groove on one side, and the flow channel plate is used to be received in the first receiving groove and is detachably connected to the liquid inlet plate. A cooling nozzle, one end of which is housed within the second receiving groove, the cooling nozzle being slidably fitted onto the liquid inlet plate; and... The glue-injection plate is detachably connected to the side of the flow channel plate away from the cold nozzle, and the glue-injection plate is used to be housed in the receiving cavity.

2. The dispensing assembly according to claim 1, characterized in that, The dispensing assembly also includes: A first locking member, assembled on the flow channel plate and connected to the inlet plate, is used to lock the flow channel plate onto the inlet plate; and... The second locking member is assembled on the injection plate and connected to the flow channel plate. The second locking member is used to lock the injection plate onto the flow channel plate.

3. The dispensing assembly according to claim 1, characterized in that, The flow channel plate is also used for detachable connection with the liquid inlet plate.

4. The dispensing assembly according to claim 3, characterized in that, The dispensing assembly further includes a third locking member, which is assembled on the dispensing plate and passes through the flow channel plate to be connected to the liquid inlet plate. The third locking member is used to lock the dispensing plate to the liquid inlet plate.

5. The dispensing assembly according to claim 1, characterized in that, The cold nozzle includes: An outer casing for slidingly fitting onto the inlet plate; and, The inner core is slidably assembled inside the outer jacket, and the inner core and the outer jacket together form a cooling channel. One end of the inner core is located outside the outer jacket and is housed in the second receiving groove.

6. The dispensing assembly according to claim 5, characterized in that, The outer casing is provided with a liquid inlet and a liquid outlet, both of which are connected to the cooling channel; The outer side of the outer casing is provided with a first seal and a second seal. The first seal and the second seal are distributed on opposite sides of the liquid inlet and the liquid outlet, and the first seal and the second seal are used to make sealing contact with the liquid inlet plate.

7. The dispensing assembly according to claim 5, characterized in that, A third sealing element is provided at the end of the inner core away from the flow channel plate. The third sealing element is sleeved on the outside of the inner core and makes sealing contact with the inner wall of the outer sleeve.

8. The dispensing assembly according to claim 5, characterized in that, The inner core has a first step at the end away from the flow channel plate. The first step is sleeved on the outside of the inner core and abuts against the inner wall of the outer sleeve. The inner core, the first step and the outer sleeve together form the cooling channel.

9. The dispensing assembly according to claim 1, characterized in that, The glue injection plate is provided with a glue injection hole, the flow channel plate is provided with a glue channel and a glue channel, the glue channel is connected to the glue injection hole, the glue channel is connected to the glue channel, the cold nozzle is provided with a gating system, and the gating system is connected to the glue channel.

10. An injection mold, characterized in that, The assembly includes a dispensing component as described in any one of claims 1-9, a first module, and a second module, wherein the first module is slidably mounted on one end of the second module, and the dispensing component is detachably connected to the first module.

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