CN215849357U

CN215849357U - An integrated injection molding and cutting mold

Info

Publication number: CN215849357U
Application number: CN202121850044.5U
Authority: CN
Inventors: 吴国荣; 皮琳
Original assignee: Dongguan Immense Electronics Technology Co ltd
Current assignee: Dongguan Immense Electronics Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-02-18
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses an integrated mold for injection molding and cutting, wherein a fixed mold core is arranged on an upper fixed part, a movable mold core used for cooperating with the fixed mold core to form a molding cavity is arranged on a lower fixed part, and the upper fixed part corresponds to The position above the scrap is fixed with a cutter, and the fixed die core can move vertically up and down relative to the cutter seat. During the mold clamping process, the fixed die core and the movable die core collide to form a molding cavity in which the semi-finished product is fixed. The waste on the back side of the semi-finished product Then it is exposed and opposite to the cutting edge of the cutter. At the same time, the fixed mold core is moved upward relative to the cutting knife by the force when the mold is closed. During the movement, the scrap is cut off with the cutting knife. And the external injection molding mechanism cooperates to perform injection molding on the semi-finished product in the molding cavity. Compared with the traditional one, the utility model can cut off the redundant connecting part during the process of mold clamping and injection molding, and does not need to carry out additional cutting after injection molding. Cut work, improve work efficiency and reduce production costs.

Description

Injection molding and cutting integrated mold

Technical Field

The utility model relates to the technical field of molds, in particular to an injection molding and cutting integrated mold.

Background

As shown in fig. 1, the semi-finished schematic diagram of a plurality of five metals terminals after one shot forming, the rear end of a plurality of five metals terminals after the shaping is connected with the waste material jointly, the effect of waste material lies in that the staff can once only put into the shaping chamber with a plurality of five metals terminals when carrying out the secondary and moulding plastics, in order to improve work efficiency, after accomplishing the secondary and moulding plastics, need to amputate the waste material, form the finished product as shown in fig. 2, in the conventional art, the work of excision waste material is divided into two steps with secondary injection moulding work, wait for the semi-finished product cooling back of secondary injection moulding earlier, the waste material excision of semi-finished product rear end is rethreaded by manual work or equipment, there are the problem that work efficiency is low, high in production cost.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an injection and cutting integrated mold, and aims to improve the work efficiency of secondary injection molding of a semi-finished product and reduce the production cost.

In order to achieve the purpose, the utility model provides an injection and cutting integrated die which comprises a fixed die and a movable die, wherein the fixed die comprises an upper fixing part and a fixed die core, the movable die comprises a lower fixing part and a movable die core used for being matched with the fixed die core to form a forming cavity, a cutter with a downward cutting edge is vertically fixed at a position, corresponding to the upper part of a waste material, of the upper fixing part, the fixed die core is movably arranged on the upper fixing part and can vertically move up and down relative to the cutter, when the die is closed, the movable die moves towards the fixed die to fix a semi-finished product in the forming cavity, the fixed die core is stressed to move up relative to the cutter to enable the cutter to move down relative to the waste material and cut off the waste material, and the injection nozzle and a flow channel communicated with the injection nozzle are further arranged and are used for being matched with an external injection mechanism to perform injection molding on the semi-finished product in the forming cavity after the die is closed.

The utility model has movably set up the core die on the upper fixed part of the stationary die, set up the movable mould kernel used for cooperating with core die to form the shaping cavity in the lower fixed part of the movable mould, the position that corresponds to above the waste material on the upper fixed part sets up the cutter fixedly, the core die can move up and down vertically relative to cutter seat, in the course of closing the mould, core die and movable mould kernel cooperate and form the shaping cavity to fix the semifinished material therein against, the waste material of the rear side of semifinished material is exposed outside and opposite to cutting edge of the cutter, the core die is acted on the force when closing the mould and made the up-going movement relative to the cutter at the same time, cooperate with the cutter to cut off the waste material in the course of moving, then cooperate and carry on the injection moulding to the semifinished material in the shaping cavity through the pouring nozzle, runner and injection moulding mechanism that are set up in the stationary die, compared with the tradition, the utility model can cut off the surplus connecting portion in the course of closing the mould, needn't carry on the extra cutting work after the injection moulding, the working efficiency is improved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic perspective view of a blank;

FIG. 2 is a perspective view of the finished product;

FIG. 3 is a perspective view of the present invention;

FIG. 4 is a first perspective view of the filling nozzle, the cutting knife, the cavity block, the upper runner, the lower runner, the ejector pin and the driving member after assembly;

FIG. 5 is a second perspective view of the filling nozzle, the cutting knife, the cavity block, the upper runner, the lower runner, the ejector pin and the driving member after assembly;

FIG. 6 is a first cross-sectional view of the present invention;

FIG. 7 is a second cross-sectional view of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 6;

fig. 9 is a partially enlarged view of fig. 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that if directional indications (such as … …, which is up, down, left, right, front, back, top, bottom, inner, outer, vertical, transverse, longitudinal, counterclockwise, clockwise, circumferential, radial, axial) are provided in the embodiments of the present invention, the directional indications are only used for explaining the relative position relationship, motion condition, etc. of the components at a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an injection molding and cutting integrated mold.

In the embodiment of the utility model, as shown in fig. 1 to 9, the injection mold comprises a fixed mold and a movable mold, the fixed mold comprises an upper fixed part 12 and a fixed mold core 11, the movable mold comprises a lower fixed part 22 and a movable mold core 21 which is used for forming a molding cavity by matching with the fixed mold core, a cutter 3 with a downward blade is vertically fixed at a position above the upper fixed part 12 corresponding to the waste, the fixed mold core 11 is movably arranged on the upper fixed part 12 and can vertically move up and down relative to the cutter 3, when the mold is closed, the movable mold moves towards the fixed mold to fix the semi-finished product 100 in the molding cavity, and the fixed mold core 11 is forced to move up relative to the cutter to make the cutter 3 move down relative to the waste and cut off the waste 101, and the pouring nozzle 4 and a flow passage communicated with the pouring nozzle 4 are further arranged for performing injection molding on the semi-finished product 100 in the molding cavity by matching with an external injection molding mechanism (not shown in the figure) after the mold is closed.

Specifically, the nozzle 4 is arranged on the upper fixing part 12, the flow channel comprises an upper flow channel 131 and a lower flow channel 231, an upper flow channel piece 13 is arranged on one side of the fixed die core 11, a lower flow channel piece 23 is arranged at the position, corresponding to the upper flow channel piece, of the movable die, the upper flow channel 131 is arranged on the bottom wall of the upper flow channel piece 13, the lower flow channel 231 is arranged on the top wall of the lower flow channel piece 23, the upper flow channel 131 and the lower flow channel 231 are matched to form the flow channel after die assembly, the feeding end of the flow channel is connected with the discharging end of the nozzle 4, and the discharging end of the flow channel is connected with the forming cavity.

Specifically, the cover half still includes that the activity locates the last mounting panel 14 of upper mounting spare downside, and the middle part of going up mounting panel 14 is equipped with first mounting groove 141, cover half mould benevolence 11 and last runner piece 13 are about the counterbalance state and install in first mounting groove 141, go up mounting panel 14 and can drive cover half mould benevolence 11 and go up runner piece 1 and do perpendicular reciprocating relative cutter. When the die is closed, the movable die pushes the upper mounting plate 14 to drive the fixed die core 11 and the upper runner piece 13 to vertically move upwards relative to the cutter, the waste 101 is cut off by matching with the cutter 3 in the process, and then the secondary injection molding is carried out on the semi-finished product in the corresponding molding cavity through the filling nozzle 4, the runner and the injection molding mechanism; after the mold is opened, the upper mounting plate 14 drives the fixed mold core and the upper runner piece 13 to move vertically downwards relative to the cutter.

Further, a top spring 15 is further arranged, the upper end of the top spring 15 is connected with the bottom wall of the upper fixing part 12, the lower end of the top spring 15 is connected with the upper mounting plate 14, when the mold is closed, the movable mold pushes the upper mounting plate 14 to drive the fixed mold core 11 and the upper runner part 13 to vertically move upwards so as to compress the top spring 15, and after the mold is opened, the top spring 15 releases the compression state to release the elastic force so that the upper mounting plate 14 drives the fixed mold core 11 and the upper runner part 13 to vertically move downwards.

Specifically, in order to enhance the stability of the upper mounting plate 14 in moving vertically up and down, a supporting screw 16 is further provided, the supporting screw 16 is movably inserted into the upper mounting plate 14, a rod portion of the supporting screw 16 penetrates through the upper mounting plate 14 and then is fixedly connected with the upper fixing member 12, and the top spring 15 is sleeved on a portion of the rod portion, which is correspondingly located between the upper fixing member 12 and the upper mounting plate 14.

Specifically, the positions of the upper runner component 13 and the lower runner component 23 corresponding to the cutting knife 3 are provided with avoidance positions 17 through which the cutting knife 3 can pass.

Specifically, the movable mold further includes a lower mounting plate 25 fixed to the upper side of the lower fixing member 22, a second mounting groove 251 is formed in the middle of the lower mounting plate 25, and the movable mold core 21 and the lower runner member 23 are mounted in the second mounting groove 251 in a left-right abutting state.

Specifically, the movable mold is further provided with an ejector pin 26 and a driving mechanism (not shown) for driving the ejector pin, a through hole 212 through which the ejector pin can pass is formed in the position of the movable mold core 21 corresponding to the ejector pin 26, the ejector pin 26 is movably inserted into the through hole 212, and after the mold is opened, the ejector pin 26 can be driven by the driving mechanism (not shown) to jack up the finished product 200 after the injection molding is completed from the movable mold core, so that the finished product 200 can be taken away conveniently.

Furthermore, the number of the ejector pins is multiple, a driving element 27 connected with the driving end of the driving mechanism is movably arranged below the lower fixing element 22, the lower end of the ejector pin is connected with one side of the driving element far away from the driving mechanism, and the driving mechanism can drive the multiple ejector pins to jack up or retract the injection-molded finished product 200 into the through hole 212.

Specifically, the driving mechanism (not shown) may be an air cylinder, an electric cylinder, or a linear motor.

Specifically, the movable mould still is equipped with the guiding groove 28 of slope, and the entry and the waste material of guiding groove 28 are relative from top to bottom, and the export of guiding groove 28 is located one side of movable mould, and the waste material after being amputated by cutter 3 falls into guiding groove 28 back and slides to the export roll-off along guiding groove 28, and the waste material 101 that is amputated after the compound die is automatic to be followed the export roll-off to the staff need not take out the waste material from the mould after the die sinking, has improved work efficiency.

Specifically, the number of the fixed mold cores 11 is one or more, the number of the movable mold cores 21, the number of the cutters 3 and the number of the guide grooves 28 are the same as the number of the fixed mold cores 11, and when the fixed mold cores 11 and the movable mold cores 21 are multiple, the flow channel has discharge ends the same as the number of the fixed mold cores 11, and each discharge end is correspondingly connected with one molding cavity, that is, the utility model may have one molding cavity or multiple molding cavities, the multiple molding cavities may be formed by matching one fixed mold core 11 with one movable mold core 21 or matching multiple fixed mold cores 11 with multiple movable mold cores 21, when the fixed mold cores and the movable mold cores are multiple, the multiple fixed mold cores may be installed in one first installation groove together, or multiple first installation grooves may be installed with at least one fixed mold core respectively, and for the same reason, the multiple movable mold cores may be installed in one second installation groove together, and at least one movable mold core can be arranged in the second mounting grooves respectively, and all movable molds can be driven simultaneously through the lower mounting plate during mold closing.

It should be noted that, when the mold is closed, the mold is driven by an external driving device, such as a motor, a cylinder, etc., which is common knowledge, and the principle structure of closing the mold is not described herein again.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An integrated mold for injection molding and cutting, comprising a fixed mold and a movable mold, the fixed mold includes an upper fixing member (12) and a fixed mold core (11), and the movable mold includes a lower fixing member (22) and a fixed mold for connecting with the fixed mold. The movable mold core (21) which is matched with the core to form the molding cavity, is characterized in that: the upper fixing member (12) is vertically fixed with a cutting knife (3) with the blade facing downward at a position above the waste material, and the fixed mold core (11) is movably installed. On the upper fixing piece (12), it can move vertically up and down relative to the cutter (3). When the mold is closed, the movable mold moves toward the fixed mold to fix the semi-finished product (100) in the molding cavity, and at the same time the fixed mold core (11) ) moves upward relative to the cutting knife by force, so that the cutting knife (3) moves downward relative to the waste material and cuts off the waste material (101), and a filling nozzle (4) and a flow channel communicating with the filling nozzle (4) are also provided for the purpose of After the mold is closed, injection molding is performed on the semi-finished product (100) in the molding cavity by cooperating with an external injection molding mechanism.

2. An integrated injection molding and cutting mold according to claim 1, characterized in that: the filling nozzle (4) is arranged on the upper fixing member (12), and the flow channel comprises an upper flow channel groove (131). ) and a lower runner slot (231), an upper runner part (13) is provided on one side of the fixed die core (11), and a lower runner part (23) is provided at the position of the movable die corresponding to the upper runner part, and the upper runner slot ( 131) is arranged on the bottom wall of the upper runner (13), the lower runner slot (231) is arranged on the top wall of the lower runner (23), after the mold is closed, the upper runner slot (131) and the lower runner slot (231) ) cooperate to form the flow channel, the feed end of the flow channel is connected with the discharge end of the filling nozzle (4), and the discharge end of the flow channel is connected with the molding cavity.

3. An integrated injection molding and cutting mold according to claim 2, characterized in that: the fixed mold further comprises an upper mounting plate (14) movably arranged on the lower side of the upper fixing member, and a middle part of the upper mounting plate (14) is provided There is a first installation groove (141), the fixed die core (11) and the upper runner part (13) are installed in the first installation groove (141) in a left-right abutment state, and the upper installation plate can drive the fixed die core and the upper runner part. Move vertically up and down relative to the cutter.

4. An integrated mold for injection molding and cutting according to claim 3, characterized in that: a top spring (15) is also provided, and the upper end of the top spring (15) is connected with the bottom wall of the upper fixing member (12), The lower end is connected to the upper mounting plate (14), and when the mold is closed, the movable mold pushes the upper mounting plate (14) to drive the fixed mold core (11) and the upper runner piece (13) to vertically ascend, so as to move the top spring (15) upward. After the mold is opened, the top spring (15) is released from the compressed state to release the elastic force, so that the upper mounting plate (14) drives the fixed mold core (11) and the upper flow channel member (13) to move vertically downward.

5. An integrated mold for injection molding and cutting according to claim 3, characterized in that: the upper runner part (13) and the lower runner part (23) are provided with available cutting tools at the positions corresponding to the cutter (3). The avoidance position (17) through which the knife (3) passes.

6. An integrated mold for injection molding and cutting according to claim 2, characterized in that: the movable mold further comprises a lower mounting plate (25) fixed on the upper side of the lower fixing member (22), and the lower mounting plate ( 25) is provided with a second installation groove (251) in the middle, and the movable mold core (21) and the lower runner member (23) are installed in the second installation groove (251) in a state where they are in a state of abutting left and right.

7. An integrated injection molding and cutting mold as claimed in claim 6, characterized in that: the movable mold is further provided with an ejector pin (26) and a drive mechanism for driving the ejector pin, and the movable mold core (21) corresponds to the ejector pin The position of (26) is provided with a hole (212) through which the thimble (26) can be movably inserted into the hole (212). The finished product (200) is then lifted from the movable mold core.

8. An integrated injection molding and cutting mold according to claim 7, characterized in that: the thimble has a plurality of thimbles, and a drive connected to the drive end of the drive mechanism is movably provided below the lower fixing member (22). The lower end of the ejector pin is connected to the side of the driving element away from the driving mechanism, and the driving mechanism can drive a plurality of ejector pins through the driving element to push up or retract the injection molded product (200) into the through hole (212).

9. An integrated injection molding and cutting mold according to claim 1, characterized in that: the movable mold is further provided with an inclined guide groove (28), and the entrance of the guide groove (28) is opposite to the waste material up and down to guide the The outlet of the groove (28) is located on one side of the movable die, and the scrap cut by the cutter (3) falls into the guide groove (28) and slides along the guide groove (28) until the outlet slides out.

10. An integrated injection molding and cutting mold according to any one of claims 1 to 9, characterized in that: the number of the fixed mold cores (11) is one or more, and the movable mold cores (11). 21), the number of cutters (3) and guide grooves (28) is the same as the number of fixed mold cores (11). There are the same number of discharge ends as the fixed die cores (11), and each discharge end is correspondingly connected to one of the molding cavities.