CN213257104U

CN213257104U - Supplementary shedder of accurate metal injection moulding

Info

Publication number: CN213257104U
Application number: CN202022220958.5U
Authority: CN
Inventors: 胡志勇
Original assignee: Suzhou Xinshengqi Precision Mould Co ltd
Current assignee: Suzhou Xinshengqi Precision Mould Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-05-25
Anticipated expiration: 2030-10-09

Abstract

The utility model relates to the technical field of metal injection molding, in particular to an auxiliary demoulding device for precise metal injection molding, which comprises a push plate, wherein the push plate is arranged in a die core groove of a fixed die seat; the fixed die base is integrally of a concave structure, a die core groove is formed in the fixed die base, a counter sink is formed in the die core groove, the push plate is arranged in the counter sink, and the push plate and the die core groove are parallel and level to each other; the side of the mold core groove is open, a movable plate is arranged on the opening side, and a first positioning pin is arranged on the groove wall of the mold core groove on one side opposite to the movable plate; a connecting rod is arranged on one side of the movable plate and connected with the lifting structure through a switching rod, and a second positioning pin is arranged on the other side of the movable plate; the first positioning pin and the second positioning pin are mutually clamped with the mold core in the mold core groove; an electric push rod is arranged in the sinking groove, the push plate is connected with the electric push rod, and the electric push rod is connected with a controller; the utility model discloses simple structure, convenient to use.

Description

Supplementary shedder of accurate metal injection moulding

Technical Field

The utility model relates to a metal injection moulding technical field specifically is an accurate metal injection moulding assists shedder.

Background

Metal injection molding is a new powder metallurgy near-net-shape molding technology which is derived from the plastic injection molding industry, and as is well known, the plastic injection molding technology is low in price and can produce various products with complex shapes, but the strength of the plastic products is not high, and metal or ceramic powder can be added into plastic to obtain products with higher strength and good wear resistance in order to improve the performance of the plastic products. In recent years, this idea has evolved to maximize the content of solid particles and to completely remove the binder and densify the shaped body during the subsequent sintering process; this new powder metallurgy forming method is called metal injection molding.

The existing metal injection molding has the condition of inconvenient demolding, the mold has singleness, one group of molds can only process one metal piece, a plurality of groups of molds need to be purchased in factory processing, the cost investment is large, and the actual production needs are not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate metal injection moulding assists shedder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an auxiliary demoulding device for precise metal injection moulding comprises a push plate, wherein the push plate is arranged in a mould core groove of a fixed mould base; the fixed die base is integrally of a concave structure, a die core groove is formed in the fixed die base, a counter sink is formed in the die core groove, the push plate is arranged in the counter sink, and the push plate and the die core groove are parallel and level to each other; the side of the mold core groove is open, a movable plate is arranged on the opening side, and a first positioning pin is arranged on the groove wall of the mold core groove on one side opposite to the movable plate; a connecting rod is arranged on one side of the movable plate and connected with the lifting structure through a switching rod, and a second positioning pin is arranged on the other side of the movable plate; the first positioning pin and the second positioning pin are mutually clamped with the mold core in the mold core groove; an electric push rod is arranged in the sinking groove, the push plate is connected with the electric push rod, and the electric push rod is connected with a controller.

Preferably, the number of the sinking grooves in the die core groove is provided with a plurality of groups, and the plurality of groups of sinking grooves are uniformly distributed in the die core groove.

Preferably, the push plate is of a square structure integrally, the square corners are arranged to be rounded structures, and the push plate is tightly attached to the sinking groove.

Preferably, the first positioning pin and the second positioning pin are symmetrically provided with two groups, the two groups have the same size, and the positions of the two groups are aligned with each other.

Preferably, the top ends of the first positioning pin and the second positioning pin are both provided with semicircular structures.

Preferably, a sealing gasket is arranged on the joint surface of the fixed die base and the movable die base, the shape of the sealing gasket is the same as that of the edge of the fixed die base, and the sealing gasket is made of a rubber material.

Preferably, a guide rod is arranged on the joint surface of the fixed die holder and the movable die holder, and a guide groove is correspondingly arranged on the movable die holder; four guide rods are arranged and are respectively positioned at four corner positions of the concave-shaped structure of the fixed die holder.

Preferably, the whole guide rod is of a cylindrical structure, and the top end of the guide rod is in a round table shape.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a fixed die holder, wherein the fixed die holder clamps a die core through a movable plate, and the injection molding of metal pieces with different shapes is realized by replacing the die core; the push plates at different positions are arranged according to different demoulding positions of the models with different shapes, and the push plates move under the driving of the electric push rods, so that the demoulding of the formed metal piece is facilitated; the device has simple integral structure and convenient use, and is suitable for large-scale popularization.

Drawings

Fig. 1 is a schematic structural view of the present invention;

reference numbers in the figures: 1. fixing a die holder; 11. a die core groove; 12. a gasket; 13. a first positioning pin; 14. a guide bar; 15. sinking a groove; 2. a movable plate; 21. a connecting rod; 22. a transfer lever; 23. a second positioning pin; 3. a push plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: an auxiliary demoulding device for precise metal injection moulding comprises a push plate 3, wherein the push plate 3 is arranged in a mould core groove 11 of a fixed mould base 1; the die comprises a fixed die holder 1, a die core groove 11, a counter sink 15, a push plate 3 and a die core groove 11, wherein the fixed die holder 1 is integrally of a concave structure, the die core groove 11 is arranged in the fixed die holder 1, the counter sink 15 is arranged in the die core groove 11, and the push plate 3 is arranged in the counter sink 15 and is parallel to the die core groove 11; one side of the mold core groove 11 is opened, the movable plate 2 is arranged on the opening side, and a first positioning pin 13 is arranged on the groove wall of the mold core groove 11 on the side opposite to the movable plate 2; a connecting rod 21 is arranged on one side of the movable plate 2, the connecting rod 21 is connected with the lifting structure through a switching rod 22, and a second positioning pin 23 is arranged on the other side of the movable plate 2; the first positioning pin 13 and the second positioning pin 23 are mutually clamped with the mold core in the mold core groove 11; an electric push rod is arranged in the sinking groove 15, the push plate 3 is connected with the electric push rod, and the electric push rod is connected with a controller.

Furthermore, a plurality of groups of sinking grooves 15 are arranged in the mold core groove 11, and the groups of sinking grooves 15 are uniformly distributed in the mold core groove 11.

Further, the push plate 3 is integrally of a square structure, the square corners are arranged to be of a fillet structure, and the push plate 3 is tightly attached to the sink groove 15.

Further, the first positioning pin 13 and the second positioning pin 23 are symmetrically provided with two sets, and the two sets have the same size and are aligned with each other.

Further, the top ends of the first positioning pin 13 and the second positioning pin 23 are both provided with a semicircular structure.

Further, a sealing gasket 12 is arranged on the joint surface of the fixed die holder 1 and the movable die holder, the shape of the sealing gasket 12 is the same as that of the edge of the fixed die holder 1, and the sealing gasket 12 is made of rubber materials.

Further, a guide rod 14 is arranged on the joint surface of the fixed die holder 1 and the movable die holder, and a guide groove is correspondingly arranged on the movable die holder; four guide rods 14 are arranged and are respectively positioned at four corner positions of the concave structure of the fixed die holder 1.

Further, the whole guide rod 14 is of a cylindrical structure, and the top end of the guide rod is in a circular truncated cone shape.

The working principle is as follows: in the actual processing process, a square frame-shaped mold core is arranged in a mold core groove 11, corresponding limiting grooves are respectively arranged on the upper surface and the lower surface of the mold core, the limiting groove on the lower side is clamped on a first limiting pin 13, the limiting groove on the upper side is clamped in a second limiting pin 23 by adjusting the height of a movable plate 2, and the installation of the mold core is completed; the positions of the metal pieces corresponding to the push plate 3 are naturally different due to different shapes of the mold cores of different metal pieces; through setting up polylith push pedal 3, through the electric putter work that the push pedal 3 that the controller control corresponds is connected, make push pedal 3 release the metalwork after shaping in with the mold core to the drawing of patterns.

The push plate 3 is arranged in the sink groove 15, is tightly attached to the wall of the sink groove 15 and is parallel and level to the mold core groove 11, so that the injection molding process is prevented from being influenced. A sealing gasket 12 is arranged on the joint surface of the fixed die holder 1 and the movable die holder, and the sealing gasket 12 is arranged, so that the movable die holder and the fixed die holder 1 can be tightly attached conveniently, and the sealing property between the die core and the movable die holder is increased to a certain extent; the guide rods 14 are arranged on the joint surfaces of the fixed die base 1 and the movable die base, and the guide rods 14 are arranged to facilitate the movable die base to play a limiting role when moving towards the fixed die base 1, facilitate the mutual alignment of the movable die base and the fixed die base, enable the movable die base to be attached to the die core, and further facilitate the injection of metal powder into the forming holes in the die core. And a corresponding sealing ring is also arranged on the side surface of the mold core so as to ensure the sealing between the mold core and the movable mold base.

The lifting structure connected on the adapter rod 22 can be a motor, a cylinder or a driving device for moving up and down, and the corresponding technical content does not belong to the key point of the scheme and is widely applied in the actual life, so that the scheme is not repeated.

It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a supplementary shedder of accurate metal injection moulding which characterized in that: the die comprises a push plate (3), wherein the push plate (3) is arranged in a die core groove (11) of a fixed die base (1); the die comprises a fixed die holder (1), a die core groove (11) is formed in the fixed die holder (1), a counter sink (15) is formed in the die core groove (11), a push plate (3) is arranged in the counter sink (15), and the push plate (3) and the die core groove (11) are parallel and level to each other; one side of the mold core groove (11) is opened, the movable plate (2) is arranged at the opening side, and a first positioning pin (13) is arranged on the groove wall of one side of the mold core groove (11) opposite to the movable plate (2); a connecting rod (21) is arranged on one side of the movable plate (2), the connecting rod (21) is connected with the lifting structure through a switching rod (22), and a second positioning pin (23) is arranged on the other side of the movable plate (2); the first positioning pin (13) and the second positioning pin (23) are mutually clamped with the mold core in the mold core groove (11); an electric push rod is arranged in the sinking groove (15), the push plate (3) is connected with the electric push rod, and the electric push rod is connected with a controller.

2. The precision metal injection molding auxiliary stripping device according to claim 1, characterized in that: the number of the sinking grooves (15) in the mold core groove (11) is provided with a plurality of groups, and the groups of the sinking grooves (15) are uniformly distributed in the mold core groove (11).

3. The precision metal injection molding auxiliary stripping device according to claim 1, characterized in that: the push plate (3) is integrally of a square structure, the square corners are arranged to be of a fillet structure, and the push plate (3) is tightly attached to the sink groove (15).

4. The precision metal injection molding auxiliary stripping device according to claim 1, characterized in that: the first positioning pin (13) and the second positioning pin (23) are symmetrically provided with two groups, the sizes of the two groups are the same, and the positions of the two groups are aligned with each other.

5. The precision metal injection molding auxiliary stripping device according to claim 1, characterized in that: the top ends of the first positioning pin (13) and the second positioning pin (23) are both arranged to be semicircular structures.

6. The precision metal injection molding auxiliary stripping device according to claim 1, characterized in that: and a sealing gasket (12) is arranged on the joint surface of the fixed die holder (1) and the movable die holder, the shape of the sealing gasket (12) is the same as that of the edge of the fixed die holder (1), and the sealing gasket (12) is made of rubber materials.

7. The precision metal injection molding auxiliary stripping device according to claim 1, characterized in that: a guide rod (14) is arranged on the joint surface of the fixed die holder (1) and the movable die holder, and a guide groove is correspondingly arranged on the movable die holder; four guide rods (14) are arranged and are respectively positioned at four corner positions of the concave-shaped structure of the fixed die holder (1).

8. The precision metal injection molding auxiliary stripping device according to claim 7, characterized in that: the whole guide rod (14) is of a cylindrical structure, and the top end of the guide rod is in a round table shape.