Front mold of die set of metal piece

Abstract

The utility model provides a front mold for sleeving a metal piece, which relates to the technical field of injection molding equipment and comprises a body, an accommodating cavity is arranged on the body, an air hole is arranged at the bottom of the accommodating cavity, an air cap component is arranged in the air hole and comprises a plug and a first connecting section, a first through hole penetrating through the first connecting section is arranged on the first connecting section, and a second through hole penetrating through the first connecting section is arranged on the first connecting section. The plug is installed in the first through hole, the end, close to the containing cavity, of the first through hole is arranged to be a conical section, namely, the plug is installed at the position of the conical section, and when the plug is in a closed state, the circumferential face of the plug abuts against the conical section, so that gas can be prevented from passing through; the peripheral face of the plug is separated from the conical section to form a gap, gas can conveniently penetrate through the gap, the injection molding part can be jacked up under the common action of plugging of the gas and the gas jacking assembly, the injection molding part is prevented from being opened manually, and damage to the injection molding part is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding equipment technical field especially a kind of front mould of metal piece sleeve. BACKGROUND

[0002] Metal piece sleeve is injection molding product, after injection molding, metal piece sleeve needs to be taken out manually, which can cause product deformation or damage metal part, and can cause defective product. INVENTION CONTENTS

[0003] The utility model discloses a kind of front mould of metal piece sleeve, to solve the technical problem that defective piece can be easily appeared in prior art when metal piece sleeve injection molding is completed and needs to be taken out manually.The preferred technical solution in the many technical solutions provided by the utility model can produce many technical effects, which are described below.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] The utility model provides a kind of front mould of metal piece sleeve, including body, the body is provided with containing cavity, the bottom of containing cavity is provided with air hole, air top subassembly is provided in the air hole, the air top subassembly includes first connecting section and plugging, the first connecting section is fixed in the air hole, first connecting section is provided with the first through-hole that passes through the first connecting section, the plugging is installed in the first through-hole, and the first through-hole is set as conical section close to one end of containing cavity, the air hole is used for gas subassembly intercommunication, the plugging moves upward under the action of gas to make gas pass, under the joint action of gas and the plugging, workpiece is lifted.

[0006] Preferably, the side surface of the plugging is a conical surface, and the cross-sectional area of the plugging close to the containing cavity is greater than the cross-sectional area of the other end of the plugging.

[0007] Preferably, the air top subassembly further includes a connecting rod and a second connecting section, the plugging, the connecting rod and the second connecting section are connected in sequence, wherein the first connecting section is fixed in the air hole, and the second connecting section is arranged at one end of the first connecting section.

[0008] Preferably, an elastic body is arranged between the second connecting section and the first connecting section, and the elastic body is sleeved on the connecting rod.

[0009] Preferably, the air hole includes a third connecting section and a fourth connecting section, a stepped surface is formed between the third connecting section and the fourth connecting section, the first connecting section abuts against the stepped surface, the first connecting section is installed on the third connecting section, and the diameter of the second connecting section is smaller than the diameter of the fourth connecting section.

[0010] Preferably, a second through hole is further arranged on the body, the second through hole extends to the bottom of the accommodating cavity, the supporting leg is installed in the second through hole, and the supporting leg blocks one end of the second through hole close to the accommodating cavity, and one end of the supporting leg is provided with a protrusion installed to extend into the accommodating cavity.

[0011] Preferably, a glue inlet is arranged on the side wall of the accommodating cavity, and the glue inlet is arranged in an inclined manner.

[0012] Preferably, the first through hole is arranged as a straight section away from one end of the accommodating cavity, and the diameter of the second connecting section is greater than the diameter of the straight section.

[0013] The technical scheme provided in the application file has the following beneficial effects:

[0014] The utility model provides a kind of front mould of metal piece cover beer, including body, accommodating cavity is arranged on body, wherein, accommodating cavity is used to injection moulding metal piece cover beer, the bottom of accommodating cavity is provided with air hole, air tip assembly is arranged in air hole, wherein, air tip assembly includes plugging, first connecting section, first connecting section is provided with first through hole penetrating first connecting section, plugging is installed in first through hole, and the end of first through hole close to accommodating cavity is arranged as taper section, i.e. plugging is installed in the position of taper section, when plugging is in closed state, the peripheral surface of plugging is in contact with taper section, so as to prevent gas passing, when plugging moves upward, the peripheral surface of plugging is separated from taper section to form gap, facilitate gas passing, simultaneously, when air tip assembly is in closed state, the upper end surface of air tip assembly is flush with the bottom surface of accommodating cavity, so as to facilitate injection moulding in accommodating cavity, when injection moulding is completed, since air hole is used to communicate with gas supply assembly, air tip assembly moves upward under the driving of gas, and plugging lifts injection moulding part to realize opening state, simultaneously, when plugging moves upward, gap is formed between the peripheral surface of plugging and first connecting section on air tip assembly, wherein, plugging is installed in first connecting section, and gas can enter the space formed by injection moulding part and accommodating cavity along the gap formed between plugging and first connecting section, so, under the joint action of gas and plugging of air tip assembly, injection moulding part can be lifted, avoid manual opening of injection moulding part, and reduce damage to injection moulding part. ACCURATE DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0016] Figure 1 is a structural schematic view of a front mold of a metal piece injection molding provided by an embodiment of the present utility model.

[0017] Figure 2 is a front view of a front mold of a metal piece injection molding according to an exemplary embodiment;

[0018] Figure 3 is Figure 2 a sectional view of A-A in the middle;

[0019] Figure 4 is a local enlarged view of B

[0020] Figure 5 is Figure 4 a structural schematic view of the middle removing the air top assembly;

[0021] Figure 6 a structural schematic view of the air top assembly is shown according to an exemplary embodiment.

[0022] In the figure: 1, the body; 2, the accommodating cavity; 3, the air hole; 31, the third connecting section; 32, the fourth connecting section; 4, the air top assembly; 41, the first connecting section; 42, the second connecting section; 43, the plugging; 44, the connecting rod; 45, the first through hole; 451, the conical section; 452, the straight section; 5, the elastic body; 6, the support leg; 61, the protrusion; 7, the glue inlet. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantages of the present utility model clearer, the technical scheme of the present utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the present utility model.

[0024] The specific embodiment provides a front mold of a metal piece injection molding, which solves the technical problem that the existing technology needs manual removal after the metal piece injection molding is completed, which is easy to appear defective parts.

[0025] Hereinafter, the embodiments will be described with reference to the drawings. In addition, the embodiments shown below do not have any limiting effect on the utility model content recited in the claims. In addition, the entire content of the constitution represented in the following embodiments is not limited to be necessary as a solution to the utility model recited in the claims.

[0026] Reference Figures 1-6The utility model provides a kind of front mould of metal piece sleeve beer, including body 1, body 1 is provided with containing cavity 2, wherein, containing cavity 2 is used to injection molding metal piece sleeve beer, the bottom of containing cavity 2 is provided with air hole 3, air hole 3 is provided with air top subassembly 4, wherein, air top subassembly 4 includes plugging 43, first connecting section 41, first connecting section 41 is provided with the first through-hole 45 that passes through first connecting section 41, plugging 43 is arranged in first through-hole 45, and the end of first through-hole 45 close to containing cavity 2 is set as conical section 451, i.e. plugging 43 is installed in the position of conical section 451, when plugging 43 is in closed state, the circumferential surface of plugging 43 is in contact with conical section 451, so as to prevent gas passing, when plugging 43 moves upward, the circumferential surface of plugging 43 is separated from conical section 451 and forms gap, facilitate gas passing, simultaneously, when air top subassembly 4 is in closed state, the upper end surface of air top subassembly 4 is flush with the bottom surface of containing cavity 2, so as to facilitate injection molding in containing cavity 2, when injection molding is completed, since air hole 3 is used for gas supply assembly intercommunication, air top subassembly 4 is driven by gas, plugging 43 moves upward and lifts injection molding part, to realize opening state, simultaneously, when plugging 43 moves upward, the circumferential surface of plugging 43 and the first connecting section 41 on air top subassembly form gap, wherein, plugging 43 is installed in first connecting section 41, gas can enter the space surrounded by injection molding part and containing cavity 2 along the gap formed between plugging 43 and first connecting section 42, in this way, under the joint action of gas and plugging 43 of air top subassembly, injection molding part can be lifted, avoid manual opening injection molding part, reduce the damage to injection molding part.

[0027] In this way, the air type ejection can effectively prevent the product from being deformed or damaged by corresponding the same type of sleeve beer product, ensure that the product does not stick to the mold, prevent the mold from being damaged, improve the stability of production, effectively solve the problem that the metal sheet is not easy to be stuck in the front mold and the product is damaged, greatly reduce the defective rate.

[0028] Further optimization scheme, in order to ensure the contact area between plugging 43 and conical section 451, the side surface of plugging 43 is conical surface, and the cross-sectional area of the end of plugging 43 close to containing cavity 2 is greater than the cross-sectional area of the other end of plugging 43, so that the gap between the end surface of plugging 43 and the bottom of containing cavity 2 is reduced, and liquid is prevented from entering the gap between plugging 43 and conical section 451.

[0029] Further optimization scheme, air top subassembly 4 further includes connecting rod 44 and second connecting section 42, wherein, first connecting section 41 is fixed in air hole 3, in order to facilitate people to install, wherein, plugging 43, connecting rod 44 and second connecting section 42 are connected in sequence, and second connecting section 42 is arranged outside first through-hole 45, connecting rod 44 is arranged in first through-hole 45 to connect plugging 43 and second connecting section 42, so that plugging 43 can also be prevented from being lost.

[0030] Further optimization scheme, in order to facilitate the sealing 43 can be lowered, the sealing 43 back to the first connecting section 41, the second connecting section 42 and the first connecting section 41 is provided with elastic body 5, elastic body 5 set on the connecting rod 44, so that, when the sealing 43 rises, the elastic member 5 accumulates elastic force, when there is no gas filling, the second connecting section 42 under the elastic force of elastic member 5 to the direction away from the containing cavity movement, and then the first through hole sealing.

[0031] Further optimization scheme, in order to facilitate the installation of gas top assembly 4, gas hole 3 includes a third connecting section 31, fourth connecting section 32, wherein the diameter of the fourth connecting section 32 is less than the diameter of the third connecting section 31, and then the third connecting section 31 and the fourth connecting section 32 form a step surface, the first connecting section 41 is installed on the third connecting section 31, and the first connecting section 41 is on the step surface, so as to prevent the first connecting section 41 from falling down, in order to ensure that the gas can pass through, the diameter of the second connecting section 42 is less than the diameter of the fourth connecting section 32, and the gas can pass through the gap between the second connecting section 42 and the fourth connecting section 32.

[0032] Further optimization scheme, because the metal piece is provided with a groove, the body 1 is also provided with a second through hole, the second through hole extends to the bottom of the containing cavity, the support leg 6 is installed in the second through hole, and the support leg 6 blocks the second through hole close to the containing cavity, and one end of the support leg is provided with a protrusion 61, the protrusion 61 is installed to extend into the containing cavity, because of the setting of the protrusion, the recess can be formed during injection molding, which is convenient for subsequent processing.

[0033] Further optimization scheme, in order to facilitate the glue into the containing cavity, the side wall of the containing cavity is provided with a glue inlet 7, wherein the glue inlet 7 is inclined, which is convenient for the flow of liquid glue.

[0034] Further optimization scheme, in order to facilitate the flow of gas, the first through hole 45 away from the containing cavity 2 is provided with a straight section 452, which can ensure enough space for air circulation, wherein the diameter of the second connecting section 42 is greater than the diameter of the straight section 452, to avoid the second connecting into the first through hole.

[0035] It should be noted that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicated in the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, are only for the convenience of 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 constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0036] In the description herein, it should also be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

[0038] It can be understood that the same or similar parts in the above embodiments can be mutually referred to, and the contents not described in detail in some embodiments can be referred to the same or similar contents in other embodiments. The multiple schemes provided by the present application contain the basic scheme itself, which are independent of each other and do not restrict each other, but they can also be combined with each other without conflict to achieve multiple effects together.

[0039] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A front die for a metal sleeve, characterized in that, The utility model provides a kind of gas lift assembly, including body (1), the bottom of accommodating cavity (2) is provided with air hole (3) on the body (1), air hole (3) is provided with gas top component (4) in, gas top component (4) includes first connecting section (41) and stopper (43), first connecting section (41) is fixed in air hole (3), first connecting section (41) is provided with first through-hole (45) passing through first connecting section (41), stopper (43) is installed in first through-hole (45), and first through-hole (45) is tapered section (451) close to one end of accommodating cavity (2) and is set, air hole (3) is used for gas assembly intercommunication, stopper (43) moves upward under the action of gas to make gas pass, and under the joint action of gas and stopper (43), workpiece is lifted up.

2. The metal sleeve of the front die according to claim 1, characterized in that, The side of the stopper (43) is a conical surface, and the cross-sectional area of the end of the stopper (43) close to the accommodating cavity (2) is greater than the cross-sectional area of the other end of the stopper (43).

3. The metal sleeve of the front die according to claim 1, characterized in that, The gas top component (4) further includes a connecting rod (44) and a second connecting section (42), the stopper (43), the connecting rod (44), and the second connecting section (42) are connected in sequence, wherein the first connecting section (41) is fixed in the air hole (3), and the second connecting section (42) is arranged at one end of the first connecting section (41).

4. The metal part sleeve according to claim 3, characterized in that An elastic body (5) is arranged between the second connecting section (42) and the first connecting section (41), and the elastic body (5) is sleeved on the connecting rod (44).

5. The metal part sleeve according to claim 3, wherein, The air hole (3) includes a third connecting section (31) and a fourth connecting section (32), and a stepped surface is formed between the third connecting section (31) and the fourth connecting section (32), the first connecting section (41) abuts against the stepped surface, the first connecting section (41) is installed on the third connecting section (31), and the diameter of the second connecting section (42) is smaller than the diameter of the fourth connecting section (32).

6. The metal part sleeve according to claim 1, wherein, A second through-hole is further arranged on the body (1), the second through-hole extends to the bottom of the accommodating cavity, a supporting leg (6) is installed in the second through-hole, the supporting leg (6) blocks the stopper (43) close to one end of the second through-hole, and one end of the supporting leg is provided with a protrusion (61) installed into the accommodating cavity.

7. The metal part sleeve according to claim 1, wherein, An adhesive inlet (7) is arranged on the side wall of the accommodating cavity, and the adhesive inlet (7) is arranged obliquely.

8. The metal part sleeve according to claim 3, wherein, The first through-hole (45) is arranged as a straight section (452) away from one end of the accommodating cavity (2), and the diameter of the second connecting section (42) is greater than the diameter of the straight section (452).

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