CN218315002U

CN218315002U - Automatic wax injection mold

Info

Publication number: CN218315002U
Application number: CN202222051384.2U
Authority: CN
Inventors: 李�浩; 何敬全; 侯争立; 江泽炯; 陈广荣
Original assignee: Zhaoqing Olin Metal Products Co ltd
Current assignee: Zhaoqing Olin Metal Products Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-17
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses an automatic penetrate wax mould, include: the mould assembly comprises an upper mould and a lower mould, wherein a plurality of cavities are formed between the upper mould and the lower mould and are used for forming wax moulds; the drawing assembly is arranged on the lower die and comprises a core pulling cylinder and a first air cylinder, the first air cylinder drives the core pulling cylinder to horizontally move, one core pulling cylinder is correspondingly arranged on one cavity, the core pulling cylinder is matched with the inner surface of the wax mold, the core pulling cylinder moves close to the cavity and is positioned in the cavity when the wax mold is closed, and the core pulling cylinder moves far away from the cavity and is positioned outside the cavity when the wax mold is released; the positioning assembly is installed on the lower die and comprises an insert and a positioning hole formed in the insert, the insert is located in the cavity and is far away from one side of the core pulling, the core pulling is provided with a positioning portion, and the positioning hole is matched with the positioning portion. The utility model discloses can improve the efficiency that the extraction was loosed core, guarantee that the position of loosing core in the mould is accurate.

Description

Automatic wax injection mold

Technical Field

The utility model relates to a technical field of mould, in particular to automatic penetrate wax mould.

Background

In the production of the hinge, the hinge is manufactured by using an investment casting or stamping forming process, wherein the investment casting process comprises a wax pattern production process, wax liquid is injected into a cavity of a mould, a wax model in the shape of the hinge is obtained after the wax liquid is cooled, and then the metal hinge is obtained through the processes of tree formation, slurry dipping, wax melting, metal casting and the like.

In the production mould of hinge, a mould is provided with a plurality of cavities, can produce a plurality of wax moulds at one time, and simultaneously, the mould is also provided with a loose core, wherein the loose core is positioned in the cavity and is used for forming the internal structure of the wax mould.

However, one cavity corresponds to one loose core, the loose core quantity is large, the extraction and loose core efficiency of operators is low, the loose core is easy to wear after being extracted for a long time, and the position of the loose core in a mold is easy to deviate, so that the size and the shape of the wax mold are not satisfactory, but poor distinguishing is not easy, and the large-batch poor quality is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an automatic penetrate wax mould can improve the efficiency of loosing core of extraction, guarantees that the position of loosing core in the mould is accurate.

According to the utility model discloses an automatic penetrate wax mould of first aspect embodiment, include: the mould assembly comprises an upper mould and a lower mould, wherein a plurality of cavities are formed between the upper mould and the lower mould and are used for forming wax moulds; the drawing assembly is arranged on the lower die and comprises a core pulling cylinder and a first air cylinder, the first air cylinder drives the core pulling cylinder to horizontally move, one core pulling cylinder is correspondingly arranged on one cavity, the core pulling cylinder is matched with the inner surface of the wax mold, the core pulling cylinder moves close to the cavity and is positioned in the cavity when the wax mold is closed, and the core pulling cylinder moves far away from the cavity and is positioned outside the cavity when the wax mold is released; the positioning assembly is installed on the lower die and comprises an insert and a positioning hole formed in the insert, the insert is located on the side, away from the core-pulling side, of the cavity, the core-pulling portion is arranged on the core-pulling portion, and the positioning hole is matched with the positioning portion.

According to the utility model discloses a some embodiments, the flexible end of first cylinder is provided with the slider, set up on the slider loose core, the lower mould is provided with the spout, the spout with slider sliding connection.

According to some embodiments of the utility model, first cylinder is provided with the mounting bracket, the mounting bracket install in lower mould one side, the mounting bracket is provided with first chamber, first chamber holding the slider.

According to the utility model discloses a some embodiments, the slider is provided with T type groove, the flexible end of first cylinder is provided with T type portion, T type position in T type inslot, T type portion with T type groove matches.

According to some embodiments of the utility model, the lower mould is provided with the first groove, first groove holding the mold insert, the mold insert both sides are provided with protruding edge, the lower mould is provided with the briquetting, the bottom of briquetting with protruding butt of following, the briquetting with through first bolt fastening between the lower mould.

According to the utility model discloses a some embodiments, the mold insert is provided with spacing portion, it is provided with the spacing groove to go up the mould, the spacing groove holding spacing portion.

According to some embodiments of the utility model, the lower mould is provided with the ejector pin, ejector pin liftable sets up, the ejector pin is used for ejecting wax matrix.

According to some embodiments of the utility model, go up the mould be provided with the feed inlet, with the material of feed inlet intercommunication is said, the material say with the die cavity intercommunication.

According to the utility model discloses penetrate wax mould automatically, following beneficial effect has at least:

1. the utility model discloses a set up and loose core and first cylinder, during the compound die, first cylinder can drive and loose core the removal for loose core and be located the die cavity, after the wax liquid pours into the die cavity into, loose core and can form the inner structure of wax matrix, during the drawing of patterns, first cylinder drives and looses core the removal, makes to loose core and keeps away from the die cavity, looses core rapidly with the wax matrix separation, makes things convenient for the wax matrix to break away from mould and lower mould, thereby has improved the efficiency of loosing core.

2. The utility model discloses a set up mold insert, locating hole and location portion, loose core and remove to the die cavity in, location portion and locating hole cooperation for it is accurate to loose core in the position of die cavity, guarantees that the size and the specification of wax matrix meet the requirements, if location portion can't cooperate with the locating hole, looses core in the position inaccuracy of die cavity, and the wax matrix shaping is bad, so fashioned wax matrix appearance has great difference with good wax matrix, and operating personnel meat distinguishable bad wax matrix avoids appearing bad wax matrix in batches.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an automatic wax injection mold according to an embodiment of the present invention;

FIG. 2 is a schematic view of an alternative view of the automatic wax injection mold of FIG. 1;

FIG. 3 is a schematic view of another perspective of the automatic wax injection mold shown in FIG. 1;

FIG. 4 is a schematic view of another perspective of the automatic wax injection mold shown in FIG. 1;

fig. 5 is a schematic structural view of another view angle of the automatic wax injection mold shown in fig. 1.

Reference numerals: 100-upper die, 110-lower die, 120-cavity, 130-wax die, 140-loose core, 150-first cylinder, 160-insert, 170-locating hole, 180-locating part, 190-slide block, 200-chute, 210-mounting rack, 220-first cavity, 230-T-shaped groove, 240-T-shaped part, 250-first groove, 260-convex edge, 270-pressing block, 280-limiting part, 290-limiting groove, 300-ejector rod, 310-feeding port and 320-material channel.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 as a specific case by those skilled in the art.

An automatic wax injection mold according to an embodiment of the present invention is described below with reference to the accompanying drawings.

Referring to fig. 1, an automatic wax injection mold 130 according to an embodiment of the present invention includes a mold assembly, an extraction assembly, and a positioning assembly.

The mold assembly comprises an upper mold 100 and a lower mold 110, wherein a plurality of cavities 120 are formed between the upper mold 100 and the lower mold 110, and the cavities 120 are used for forming wax molds 130.

Referring to fig. 3, in some embodiments of the present invention, the upper mold 100 is provided with a feed port 310 and a material channel 320 communicated with the feed port 310, and the material channel 320 is communicated with the cavity 120, so that the wax liquid can enter from the feed port 310 and enter into the cavity 120 through the material channel 320.

Referring to fig. 2, in some embodiments of the present invention, the lower mold 110 is provided with a top rod 300, the top rod 300 is disposed in a lifting manner, and the top rod 300 is used for ejecting the wax mold 130.

Through setting up ejector pin 300, can adopt the cylinder to drive ejector pin 300 and go up and down, when ejector pin 300 rose, can be ejecting with wax matrix 130 in the die cavity 120, need not personnel and breaks away from the die cavity 120 with wax matrix 130.

The extracting component is mounted on the lower die 110 and comprises a loose core 140 and a first air cylinder 150 driving the loose core 140 to horizontally move, the loose core 140 is correspondingly arranged in one cavity 120, the loose core 140 is matched with the inner surface of the wax mold 130, the loose core 140 moves close to the cavity 120 and is located in the cavity 120 during mold closing, and the loose core 140 moves away from the cavity 120 and is located outside the cavity 120 during mold releasing.

Therefore, during mold closing, the first cylinder 150 can drive the core pulling 140 to move, so that the core pulling 140 is located in the mold cavity 120, after the wax liquid is injected into the mold cavity 120, the core pulling 140 can form an internal structure of the wax mold 130, during demolding, the first cylinder 150 drives the core pulling 140 to move, so that the core pulling 140 is far away from the mold cavity 120, and the core pulling 140 is rapidly separated from the wax mold 130.

In some embodiments of the present invention, the telescopic end of the first cylinder 150 is provided with a slider 190, the slider 190 is provided with a loose core 140, the lower mold 110 is provided with a sliding groove 200, and the sliding groove 200 is slidably connected to the slider 190.

Through setting up slider 190 and spout 200, first cylinder 150 can drive slider 190 and slide in spout 200, can make 140 steady movement of loosing core, and simultaneously, slider 190 can drive a plurality of 140 removals of loosing core simultaneously, has improved 140 efficiency of loosing core greatly.

In some embodiments of the present invention, the first cylinder 150 is provided with a mounting frame 210, the mounting frame 210 is installed on one side of the lower mold 110, the mounting frame 210 is provided with a first cavity 220, and the first cavity 220 accommodates the sliding block 190.

By providing the mounting frame 210, the mounting frame 210 can mount the first cylinder 150 on the lower mold 110, and the first cavity 220 of the mounting frame 210 can accommodate the slider 190, so as to ensure that the moving position of the slider 190 is accurate.

Referring to fig. 1 and 4, in some embodiments of the present invention, the slider 190 is provided with a T-shaped groove 230, the telescopic end of the first cylinder 150 is provided with a T-shaped portion 240, the T-shaped portion 240 is located in the T-shaped groove 230, and the T-shaped portion 240 is matched with the T-shaped groove 230, so that the telescopic end of the first cylinder 150 is conveniently connected with the slider 190, thereby reducing the installation difficulty.

The positioning assembly is mounted on the lower die 110, and includes an insert 160 and a positioning hole 170 disposed on the insert 160, the insert 160 is located on one side of the cavity 120 away from the core back 140, the core back 140 is provided with a positioning portion 180, and the positioning hole 170 is matched with the positioning portion 180.

Therefore, the core 140 moves into the cavity 120, and the positioning portion 180 is matched with the positioning hole 170, so that the position of the core 140 in the cavity 120 is accurate, and the size and specification of the wax mold 130 are ensured to meet the requirements.

In some embodiments of the present invention, the lower mold 110 is provided with a first groove 250, the first groove 250 accommodates the mold insert 160, the two sides of the mold insert 160 are provided with a convex edge 260, the lower mold 110 is provided with a pressing block 270, the bottom of the pressing block 270 abuts against the convex edge 260, and the pressing block 270 is fixed to the lower mold 110 through a first bolt.

Referring to fig. 5, the position of the insert 160 in the lower mold 110 can be adjusted by providing the ledge 260 and the press block 270, and loosening the first bolt, and after the adjustment, the press block 270 can tightly press the ledge 260, so that the insert 160 is fixed to the lower mold 110.

The utility model discloses an in some embodiments, mold insert 160 is provided with spacing portion 280, goes up mould 100 and is provided with spacing groove 290, spacing groove 290 holding spacing portion 280, therefore, during the compound die, spacing groove 290 can guarantee that spacing portion 280's position is correct, prevents to use for a long time that first bolt is not hard up to lead to mold insert 160 skew position.

Thus, the present embodiment has the following effects:

1. the utility model discloses a 140 and first cylinder 150 are loosed core in the setting, during the compound die, first cylinder 150 can drive and loose core 140 and remove for 140 of loosing core is located die cavity 120, after wax liquid pours into

die cavity

120, 140 of loosing core can form the inner structure of wax matrix 130, during the drawing of patterns, first cylinder 150 drives and looses core 140 and removes, make 140 of loosing core keep away from die

cavity

120, 140 of loosing core rapidly with the separation of wax matrix 130, make things convenient for wax matrix 130 to break away from last mould 100 and lower mould 110, thereby, 140's the efficiency of loosing core has been improved.

2. The utility model discloses a set up mold insert 160, locating hole 170 and

location portion

180, 140 of loosing core remove to in the die cavity 120, location portion 180 and locating hole 170 cooperation, it is accurate to make 140 of loosing core in the position of die cavity 120, guarantee the size and the specification meet the requirements of wax matrix 130, if location portion 180 and locating hole 170 can't cooperate, 140 of loosing core is inaccurate in the position of die cavity 120, the shaping of wax matrix 130 is bad, so bad wax matrix 130 appearance and good wax matrix 130 have great difference, operation personnel meat can distinguish bad wax matrix 130, avoid appearing bad wax matrix 130 in batches.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An automatic wax injection mold, comprising:

the mould assembly comprises an upper mould (100) and a lower mould (110), wherein a plurality of cavities (120) are formed between the upper mould (100) and the lower mould (110), and the cavities (120) are used for forming wax moulds (130);

the extracting assembly is arranged on the lower die (110) and comprises a loose core (140) and a first air cylinder (150) for driving the loose core (140) to horizontally move, one loose core (140) is correspondingly arranged on one die cavity (120), the loose core (140) is matched with the inner surface of a wax mold (130), the loose core (140) moves close to the die cavity (120) and is positioned in the die cavity (120) during die assembly, and the loose core (140) moves away from the die cavity (120) and is positioned outside the die cavity (120) during die disassembly;

the positioning assembly is installed on the lower die (110), comprises an insert (160) and a positioning hole (170) formed in the insert (160), the insert (160) is located on one side, away from the core-pulling part (140), of the cavity (120), the core-pulling part (140) is provided with a positioning part (180), and the positioning hole (170) is matched with the positioning part (180).

2. The automatic wax injection mold according to claim 1, wherein a sliding block (190) is arranged at the telescopic end of the first cylinder (150), the core pulling (140) is arranged on the sliding block (190), the lower mold (110) is provided with a sliding groove (200), and the sliding groove (200) is in sliding connection with the sliding block (190).

3. An automatic wax injection mould according to claim 2, characterized in that the first cylinder (150) is provided with a mounting bracket (210), the mounting bracket (210) is mounted on one side of the lower mould (110), the mounting bracket (210) is provided with a first cavity (220), and the first cavity (220) accommodates the slide block (190).

4. The automatic wax injection mold according to claim 2, wherein the sliding block (190) is provided with a T-shaped groove (230), the telescopic end of the first cylinder (150) is provided with a T-shaped part (240), the T-shaped part (240) is positioned in the T-shaped groove (230), and the T-shaped part (240) is matched with the T-shaped groove (230).

5. The automatic wax injection mold according to claim 1, wherein the lower mold (110) is provided with a first groove (250), the first groove (250) receives the insert (160), both sides of the insert (160) are provided with convex edges (260), the lower mold (110) is provided with a pressing block (270), the bottom of the pressing block (270) is abutted against the convex edges (260), and the pressing block (270) and the lower mold (110) are fixed through first bolts.

6. The automatic wax injection mold according to claim 1, wherein the insert (160) is provided with a limiting portion (280), the upper mold (100) is provided with a limiting groove (290), and the limiting groove (290) receives the limiting portion (280).

7. The automatic wax injection mold according to claim 1, wherein the lower mold (110) is provided with a top bar (300), the top bar (300) is arranged in a lifting manner, and the top bar (300) is used for ejecting the wax mold (130).

8. The automatic wax injection mold according to claim 1, wherein the upper mold (100) is provided with a feed inlet (310) and a material channel (320) communicated with the feed inlet (310), and the material channel (320) is communicated with the cavity (120).