CN223821025U - An injection mold for forming composite groove structures - Google Patents

Abstract

This utility model relates to an injection mold capable of forming a composite groove structure, including an upper mold base and a lower mold base opposite to each other, as well as an upper mold core and a lower mold core; the upper surface of the lower mold core is provided with a movable groove penetrating its outer side wall, and the inner wall of the movable groove near the lower injection molding groove is provided with a connecting groove that directly communicates with the lower injection molding groove; a plug seat is slidably disposed in the movable groove to block the connecting groove, and the plug seat is provided with an extension extending into the lower injection molding groove, and an inner cavity forming rod is provided on the extension; the inner wall of the lower injection molding groove is provided with protrusions on both sides of the extension; the upper surface of the lower mold base is provided with a sliding groove for the movable groove, and a slide seat is provided in the sliding groove to drive the plug seat to slide left and right; the upper mold base is provided with a pushing module to push the slide seat toward or away from the lower mold core; during injection molding, through the cooperation of the slide seat, the extension, the plug seat and the inner cavity forming rod, two superimposed cavities can be formed on the side wall of the injection molded part.

Description

Injection mold of formable composite groove body structure

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold capable of forming a composite groove body structure.

Background

The mould is a variety of moulds and tools used for injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production to obtain the required products. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The processing of the appearance of the article is realized mainly by changing the physical state of the formed material. Among them, the industrial mother is named.

In the daily injection molding production process, a certain panel product needs to be formed with a horizontally recessed groove part on the side wall of the panel product, and a second cavity groove needs to be continuously formed on the side wall of the groove part, and for the product with the composite groove body structure, the conventional mold with the up-down opening and closing mode can not be used for realizing the forming process for producing the second cavity groove, so that a new mold is needed to be specially designed for the product to meet the daily production requirement.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide an injection mold with a formable composite groove body structure, which can well solve the problems.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

The injection mold comprises an upper mold seat, a lower mold seat, an upper mold core and a lower mold core, wherein the upper mold seat and the lower mold seat are opposite to each other, the upper mold core and the lower mold core are respectively embedded on opposite side walls of the upper mold seat and the lower mold core, an upper injection molding groove and a lower injection molding groove are respectively arranged on opposite side walls of the upper mold core and the lower mold core, a movable groove penetrating through the outer side walls of the upper mold core is arranged on the upper surface of the lower mold core, a communicating groove which is directly communicated with the lower injection molding groove is arranged on the inner wall of the movable groove, a plug seat for plugging the communicating groove is arranged in the movable groove in a left-right sliding manner, an extending part which is matched with the communicating groove and extends into the lower injection molding groove is arranged on the plug seat, inner cavity molding rods in the left-right direction are detachably arranged on the extending part, protruding parts are respectively arranged on two sides of the extending part, a sliding seat is arranged on the upper surface of the lower mold seat, a sliding seat is arranged on the movable groove, and a sliding seat is arranged on the upper surface of the lower mold seat, and drives the sliding seat to move towards the sliding seat.

The injection mold of the formable composite groove body structure comprises two convex parts, wherein the opposite side walls of the two convex parts are tightly attached to the side walls of the extending part, the bottom surface of the communicating groove is lower than the bottom surface of the lower injection molding groove, and when the injection mold is assembled in place, the convex parts and the extending part are flush with one end surface of the sliding seat.

The injection mold of the formable composite groove body structure comprises an extension part, wherein the longitudinal section of the extension part is square, the end face of one end of the extension part extending into the lower injection molding groove is a vertical plane, the upper surface and the lower surface of the extension part are respectively flush with the upper surface and the lower surface of the plugging seat, and the inner cavity forming rod is vertically arranged on the vertical plane.

The injection mold with the formable composite groove body structure comprises a lower mold core, wherein the front side and the rear side of the plug seat, which are close to one end of the lower mold core, are respectively provided with an arc chamfer, and the connection part of the movable groove, which is close to one side wall of the lower mold core and the front side wall and the rear side wall of the movable groove, is provided with an arc concave part which is matched with the arc chamfer.

The injection mold of the formable composite groove body structure provided by the utility model has the advantages that the upper surface of the plug seat is higher than the upper surface of the lower mold core, and the lower surface of the upper mold core is provided with the avoidance groove corresponding to the plug seat and the upper end of the extension part.

The injection mold of the formable composite groove body structure of the utility model, wherein, the plug seat is cuboid and is arranged along the left and right direction, the upper surface of the sliding seat is provided with a positioning step in a recessed manner corresponding to one end of the plug seat, which is away from the die core, and the plug seat is detachably arranged on the positioning step.

The injection mold with the formable composite groove body structure comprises a plug seat, a lower mold core, an inner cavity forming rod, a fixing hole, an annular counter bore, an annular positioning table, a positioning step and a positioning step, wherein the fixing hole is horizontally penetrated through one end face of the plug seat, which is away from the lower mold core, and is matched with the inner cavity forming rod, the annular counter bore is arranged on the plug seat around the fixing hole, the annular positioning table is arranged on the inner cavity forming rod corresponding to the annular counter bore, and when the injection mold is assembled in place, the bottom surface of the annular counter bore, the annular positioning table and the longitudinal side wall of the positioning step are horizontally abutted against each other.

The injection mold of the formable composite groove body structure comprises a plug seat, wherein a positioning rib is arranged on the lower surface of one end of the plug seat, which is away from the lower mold core, in the front-rear direction, and a positioning groove matched with the positioning rib is arranged on the upper surface of the positioning step.

The injection mold of the formable composite groove body structure comprises an inclined guide post arranged on the lower surface of an upper mold base, wherein the lower end of the inclined guide post is inclined towards one side away from a lower mold core, and an inclined guide hole matched with the inclined guide post is arranged on a sliding seat.

The injection mold with the formable composite groove body structure comprises a mold seat, wherein the mold seat is provided with a mounting groove for fixing the mold seat, the lower surface of an upper mold seat is provided with a positioning lug which is arranged downwards on the lower surface of the mold seat and is positioned at one side of the inclined guide pillar, which is away from an upper mold core, the side wall of the positioning lug, which is towards the upper mold core, is provided with an upper inclined surface, the lower end of the upper inclined surface is inclined towards one side, which is away from the upper mold core, the lower inclined surface which is parallel to the upper inclined surface, is arranged on the slide seat corresponding to the upper inclined surface, and when mold closing is in place, the upper inclined surface abuts against the lower inclined surface.

The injection molding device has the advantages that during injection molding, the sliding seat pushes the plug seat to extend the extension part and the inner cavity molding groove into the lower injection molding groove, the plug seat is used for synchronously sealing the communication groove, after molten glue is injected into the upper injection molding groove and the lower injection molding groove, the groove part and the second cavity groove positioned on the side wall of the groove part are molded on the side wall of a workpiece, during demolding, the sliding seat and the plug seat can be horizontally moved to open the lower die core through the cooperation of the pushing die set and the upper die base, so that the inner cavity molding rod is moved out of the second cavity groove of the workpiece, the workpiece is moved out of the lower injection molding groove conveniently, and the composite groove body structure can be molded on the workpiece, thereby meeting daily production requirements.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:

fig. 1 is an exploded view of the present utility model.

Fig. 2 is an enlarged view of a partial structure at a in fig. 1.

Fig. 3 is an exploded view of the slider and the plug base of fig. 1.

Fig. 4 is another view of fig. 3.

Fig. 5 is a bottom view of the upper die holder of fig. 1.

Fig. 6 is a view showing the structure of the work piece after the molding of the present utility model.

Detailed Description

The terms "first," "second," "third," and "fourth" and the like in the description and in the claims and drawings are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

"Plurality" means two or more. "and/or" describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate that there are three cases of a alone, a and B together, and B alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

Moreover, the terms "upper, lower, left, right, upper end, lower end, longitudinal" and the like that represent the orientation are all referred to with reference to the attitude position of the apparatus or device described in this scheme when in normal use.

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

The injection mold of the formable composite groove structure of the preferred embodiment of the present utility model, as shown in fig. 1-5, comprises an upper mold base 10 and a lower mold base 20, and an upper mold core 30 and a lower mold core 40, which are opposite from each other; the upper die core 30 and the lower die core 40 are respectively embedded on opposite side walls of the upper die base 10 and the lower die core 40, an upper injection molding type 31 groove and a lower injection molding type groove 41 are respectively arranged on opposite side walls of the upper die core 30 and the lower die core 40, an injection molding cavity is formed by surrounding the upper injection molding type 31 groove and the lower injection molding type groove 41 when the dies are assembled, further, an inner cavity forming rod 80 communicated with the upper injection molding type 31 groove is arranged on the upper die base 10, a movable groove 50 penetrating through the outer side wall of the lower die core 40 is arranged on the upper surface of the lower die core 40, a communicating groove 60 which is directly communicated with the lower injection molding type groove 41 is arranged on the inner wall of the movable groove 50 close to the lower injection molding type groove 41, the movable groove 50 and the communicating groove 60 are respectively arranged in a long strip shape and are respectively arranged along the left and right directions, a plug seat 70 for plugging the communicating groove 60 is arranged in the movable groove 50 in the left and right directions, an extending part 71 which is matched with the communicating groove 60 and stretches into the lower injection molding type groove 41 is arranged on the plug seat 70, further, inner cavity forming rods 80 are detachably arranged on the extending part 71 along the left and right directions, movable grooves are arranged on the inner walls of the extending part 71, movable grooves 50 are respectively, movable grooves 50 are arranged on the inner walls of the extending parts, the inner walls of the sliding seat and the upper die seat 40 are provided with the two side walls, the extending parts and the sliding seat 110 are respectively, the sliding seat 110, the movable sliding seat 90 is further arranged in the sliding seat and the sliding seat 90, and the plug seat 90 is driven by the sliding seat and the upper die base and the sliding seat 90.

When injection molding, the sliding seat 110 pushes the plug seat 70 to extend the extension part 71 and the inner cavity forming groove into the lower injection molding groove 41, the communicating groove 60 is synchronously sealed through the plug seat 70, after molten glue is injected into the upper injection molding groove 41 and the lower injection molding groove 41, the groove part 201 and the second cavity groove 202 positioned on the side wall of the groove part can be formed on the side wall of the workpiece 200, and when demolding, the sliding seat 110 and the plug seat 70 can be horizontally moved away from the lower die core 40 through the cooperation of the pushing die set 120 and the upper die base 10, so that the inner cavity forming rod 80 is moved out of the second cavity groove of the workpiece, the workpiece is moved out of the lower injection molding groove 41 conveniently, the rapid demolding is realized, and the composite groove body structure can be formed on the workpiece 200, so that the daily production requirement is met.

In this embodiment, the opposite side walls of the two protruding portions 410 are tightly attached to the side walls of the extending portion 71, the bottom surface of the communicating groove 60 is lower than the bottom surface of the lower injection molding groove 41, and when the assembly is in place, the protruding portions 410 and the extending portion 71 are flush with one end surface facing away from the sliding seat 110, and the tightness of the two sides of the extending portion 71 can be further improved by tightly attaching the two protruding portions 410 to the extending portion 71, so that glue leakage can be effectively prevented, and the protruding portions 410 can be matched with the extending portion 71 to form a groove on the side wall of the workpiece.

In this embodiment, the longitudinal section of the extension portion 71 is square, and the end face of one end of the extension portion 71 extending into the lower injection molding groove 41 is a vertical plane, the upper and lower surfaces of the extension portion 71 are respectively flush with the upper and lower surfaces of the plug seat 70, the cavity forming rod 80 is vertically disposed on the vertical plane, further, the front and rear sides of one end of the plug seat 70, which is close to the lower mold core 40, are respectively provided with arc chamfers 72, the connection part of the movable groove 50, which is close to one side wall of the lower mold core 40 and the front and rear side walls thereof, is provided with arc recesses 51 adapted to the arc chamfers 72, and after the mold is closed in place, the arc chamfers 72 on the plug seat 70 are tightly attached to the arc recesses 51 on the inner wall of the movable groove 50, thereby ensuring the communication groove 60 and the sealing effect.

In this embodiment, the upper surface of the plugging seat 70 is higher than the upper surface of the lower mold insert 40, and the lower surface of the upper mold insert 30 corresponding to the plugging seat 70 and the upper end of the extension portion 71 is provided with the avoidance groove 32, when the mold is closed in place, the bottom surfaces of the avoidance groove 32 and the movable groove 50 are abutted against the plugging seat 70, so as to play a role in enhancing the stability of the plugging seat 70, and avoid the sealing failure of the communication groove 60 caused by outward movement of the plugging seat 70.

In this embodiment, the plugging seat 70 is formed into a rectangular shape and is arranged along the left-right direction, one end of the upper surface of the sliding seat 110, which corresponds to the plugging seat 70 and is away from the mold core, is concavely provided with a positioning step 1101, the plugging seat 70 is detachably arranged on the positioning step 1101, further, a fixing hole 73 which is matched with the cavity forming rod 80 is horizontally penetrated and arranged on one end surface of the plugging seat 70, which is away from the lower mold core 40, an annular counter bore 74 is arranged on the plugging seat 70 around the fixing hole 73, an annular positioning table 81 is arranged on the cavity forming rod 80 corresponding to the annular counter bore 74, when the assembly is in place, the bottom surface of the annular counter bore 74, the annular positioning table 81 and the longitudinal side wall of the positioning step 1101 are horizontally abutted against each other to ensure the sealing of the fixing hole 73, and further, the diameter of one end of the cavity forming rod 80, which extends into the lower molding groove 41, is smaller than the diameter of the other end, can be abutted against the inner wall of the fixing hole 73 when the sliding seat 110 abuts against the annular positioning table 81, so that the cavity forming rod 80 is tightly matched with the inner wall of the fixing hole 73, and the surface of a workpiece is avoided.

In this embodiment, a positioning rib 75 is disposed on the lower surface of one end of the plugging seat 70 facing away from the lower mold core 40 along the front-rear direction, a positioning groove 1102 adapted to the positioning rib 75 is disposed on the upper surface of the positioning step 1101 to further strengthen the plugging seat 70, specifically, the plugging seat 70 is fixed on the upper surface of the positioning step 1101 by a bolt 130, the bolt 130 and the fixing hole 73 are arranged in a front-rear staggered manner, further, a groove 111 is disposed on the end surface of the slider 110 facing one end of the lower mold core 40 along the left-right direction, and the groove 111 is directly communicated with a screw hole 131 adapted to the bolt 130, thereby providing an installation space for the connector of the electric heating element on the side wall of the lower mold core 40.

In this embodiment, the pushing module 120 includes an inclined guide post 121 disposed on the lower surface of the upper die holder 10, the lower end of the inclined guide post 121 is inclined towards one side facing away from the lower die core 40, an inclined guide hole 150 adapted to the inclined guide post 121 is disposed on the sliding base 110, during processing, the upper die holder 10 descends to enable the lower end of the inclined guide post 121 to be inserted into the inclined guide hole 150, further the sliding base 110 slides towards the lower die core 40 under the action of the inclined guide post 121, when the die is closed, the sliding base 110 abuts the plug seat 70 against the side wall of the movable groove 50 under the action of the inclined guide post 121, further the pushing module 120 further includes a fixed base 122, a mounting groove 101 for fixing the fixed base 122 is disposed on the lower surface of the upper die holder 10, the inclined guide post 121 penetrates through the mounting groove 101 and the fixed base 122, a positioning bump 160 is disposed on one side facing away from the upper die core 30 on the lower surface of the fixed base 122, an upper inclined surface 161 is disposed towards one side facing the upper inclined surface 161, the lower end of the upper inclined surface 161 is inclined towards one side facing away from the upper die core 30, and a lower inclined surface 161 parallel to the upper inclined surface is disposed on the sliding base 110, when the upper inclined surface 161 is disposed on the corresponding to the upper inclined surface 161, the lower inclined surface and abuts the lower inclined surface 170 against the side 170, and the lower inclined surface 170 abuts the movable base 70 against the movable groove 50.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims (10)

1. The injection mold with the composite groove body structure is characterized by comprising an upper mold seat, a lower mold seat, an upper mold core and a lower mold core, wherein the upper mold seat and the lower mold seat are opposite to each other, the upper mold core and the lower mold core are respectively embedded on opposite side walls of the upper mold seat and the lower mold core, an upper injection molding groove and a lower injection molding groove are respectively arranged on opposite side walls of the upper mold core and the lower mold core, a movable groove penetrating through the outer side wall of the lower mold core is arranged on the upper surface of the lower mold core, a communicating groove which is directly communicated with the lower injection molding groove is arranged on the inner wall of the movable groove, a plug seat for plugging the communicating groove is arranged in the movable groove in a left-right sliding manner, an inner cavity forming rod which is matched with the communicating groove and stretches into the lower injection molding groove is detachably arranged on the extending part, protruding parts are respectively arranged on two sides of the extending part, a sliding seat which is arranged on the upper surface of the lower mold seat, a sliding seat which is far away from the upper mold seat is driven by the movable mold seat, and the sliding seat which is arranged on the sliding seat which is driven by the sliding seat.

2. The injection mold of claim 1, wherein the opposing sidewalls of the two bosses are in close engagement with the sidewalls of the extension, the bottom surface of the communication channel is lower than the bottom surface of the lower injection channel, and wherein the bosses and the extension are flush with one end surface facing away from the slide when assembled in place.

3. The injection mold of the moldable composite groove structure of claim 2, wherein the longitudinal section of the extension part is square, the end face of one end extending into the lower injection molding groove is a vertical plane, the upper surface and the lower surface of the extension part are respectively flush with the upper surface and the lower surface of the plugging seat, and the cavity molding rod is vertically arranged on the vertical plane.

4. The injection mold of claim 3, wherein the front and rear sides of the plug seat near the end of the lower mold core are respectively provided with an arc chamfer, and the connection part of the movable groove near a side wall of the lower mold core and the front and rear side walls of the movable groove is provided with an arc concave part matched with the arc chamfer.

5. The injection mold of claim 3, wherein the upper surface of the plug seat is higher than the upper surface of the lower mold insert, and the lower surface of the upper mold insert is provided with a recess corresponding to the plug seat and the upper end of the extension portion.

6. The injection mold of the formable composite groove body structure according to claim 1, wherein the plug seat is rectangular and is arranged along the left-right direction, a positioning step is concavely arranged on the upper surface of the sliding seat corresponding to one end of the plug seat, which is away from the mold core, and the plug seat is detachably arranged on the positioning step.

7. The injection mold of a formable composite groove structure according to claim 6, wherein a fixing hole adapted to the cavity forming rod is horizontally penetrated through an end face of the plug seat facing away from the lower mold core, an annular counter bore is arranged around the fixing hole on the plug seat, an annular positioning table is arranged on the cavity forming rod corresponding to the annular counter bore, and when the injection mold is assembled in place, the bottom surface of the annular counter bore, the annular positioning table and the longitudinal side wall of the positioning step are horizontally abutted against each other.

8. The injection mold of claim 7, wherein a positioning rib is provided on a lower surface of one end of the plug seat facing away from the lower mold core in a front-rear direction, and a positioning groove adapted to the positioning rib is provided on an upper surface of the positioning step.

9. The injection mold of claim 1, wherein the pushing module comprises an inclined guide post arranged on the lower surface of the upper mold base, the lower end of the inclined guide post is inclined towards one side away from the lower mold core, and the slide seat is provided with an inclined guide hole matched with the inclined guide post.

10. The injection mold of claim 9, wherein the pushing module further comprises a fixing seat, a mounting groove for fixing the fixing seat is formed in the lower surface of the upper mold base, the inclined guide pillar penetrates through the mounting groove and the fixing seat, a positioning protruding block is arranged downwards on the lower surface of the fixing seat, the side, facing away from the upper mold core, of the inclined guide pillar, an upper inclined surface is arranged on the positioning protruding block, facing towards a side wall of the upper mold core, the lower end of the upper inclined surface is inclined towards the side, facing away from the upper mold core, of the sliding seat, a lower inclined surface parallel to the upper inclined surface is arranged on the sliding seat, and when mold clamping is carried out, the upper inclined surface abuts against the lower inclined surface.