CN211994363U

CN211994363U - Special fan-shaped mould of boat machine presses

Info

Publication number: CN211994363U
Application number: CN202020143799.0U
Authority: CN
Inventors: 郭慧清; 康菊平; 德志强; 皮志明; 伍庭军; 彭涛
Original assignee: Zhuzhou Cemented Carbide Group Co Ltd
Current assignee: Zhuzhou Cemented Carbide Group Co Ltd
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-11-24
Anticipated expiration: 2030-01-22

Abstract

The utility model provides a press special fan-shaped mould of boat machine, its mould pressure head links to each other with the lower air cylinder that presses the boat machine, the mould body is provided with the lower terrace die of activity bottom the die cavity, lower terrace die links to each other with the push-up cylinder that presses the boat machine, when using, through the W + C mixture piece of suppression, the shaping is the cylinder of similar sector, about 6-9 kilograms of single piece weight of material piece, complete cylinder can be pieced into to the cylinder of 7 similar sectors, put in intermediate frequency stove china ink boat, the complete boat space of utilizing, put during convenient operation, full play productivity. The formed W + C material block is tightly tamped, the side wall of a material block cylinder is not contacted with the graphite boat, graphite particles formed in the carbonization process are greatly reduced, and the input-output rate is improved. The later stage intensity of labour greatly reduced of unloading need not artifical the smashing, and 7 material pieces can directly be taken out and put into crushing equipment.

Description

Special fan-shaped mould of boat machine presses

Technical Field

The utility model relates to a tungsten carbide production technical field especially relates to a special fan-shaped mould of boat machine presses.

Background

In the production of tungsten carbide, after W + C is mixed, the next procedure of carbonization is carried out according to the technological process, an intermediate frequency carbonization furnace is one of main carbonization equipment, and due to the structure of the furnace, a boat for holding W + C mixed materials is a hollow cylindrical graphite boat with a bottom support. The carbonized material is changed into a whole block of cylindrical tungsten carbide along with the shape of the boat, the manual unloading of the boat material of the intermediate frequency furnace is the hardest working position in the whole tungsten carbide production, the whole block of material is required to be manually crushed by a chopper or a percussion drill in the operation, then the crushed material is taken out and loaded into a charging bucket, and then the next procedure is carried out for ball milling, and the crushing is continued. In the manual unloading process, on one hand, the labor intensity of operators is very high, on the other hand, the waste of materials is also high, and the ground materials formed in the crushing process can only be degraded.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a press special fan-shaped mould of boat machine, the artifical operation workman's of unloading that aims at solving intermediate frequency furnace boat material among the prior art intensity of labour is big very much, on the other hand, the also big technical problem of waste of material.

The technical scheme of the utility model as follows:

the utility model provides a press special fan-shaped mould of boat machine, includes mould body and mould pressure head, the mould pressure head links to each other with the air cylinder that pushes down of pressing the boat machine, and the air cylinder that pushes down is fixed in and presses boat machine upper portion frame, the die cavity of mould body is uncovered formula design, the mould body is provided with movable lower terrace die in the die cavity bottom, lower terrace die links to each other with the cylinder that pushes up of pressing the boat machine, it fixes in pressing boat machine lower part frame to push up the air cylinder.

The special fan-shaped die for the boat pressing machine is characterized in that the cross section of the die cavity is fan-shaped, and the shapes of the die pressure head and the lower male die are matched with the die cavity.

The special fan-shaped mold for the boat pressing machine is characterized in that the length of a fan-shaped outer arc of the mold cavity is about 130 mm, the length of a fan-shaped inner arc of the mold cavity is about 40 mm, the distance between the inner arc and the outer arc is about 120mm, and the height of the mold cavity is 190-200 mm.

The special fan-shaped mould for the boat pressing machine is characterized in that a mould base is formed by outwards extending the bottom of the mould body.

The special fan-shaped die for the boat pressing machine is characterized in that bolt fixing holes are formed in the edge of the die base at intervals.

The utility model has the advantages that:

1. the pressed W + C mixed material blocks are formed into cylinders similar to the sector surfaces, the weight of each material block is about 6-9 kilograms, and 7 cylinders similar to the sector surfaces can be spliced into a complete cylinder to be placed in the graphite boat of the intermediate frequency furnace, so that the space of the boat is completely utilized, the material blocks are placed in the process of convenient operation, and the productivity is fully exerted.

2. The formed W + C material block is tightly tamped, the side wall of a material block cylinder is not contacted with the graphite boat, graphite particles formed in the carbonization process are greatly reduced, and the input-output rate is improved.

3. The later stage intensity of labour greatly reduced of unloading need not artifical the smashing, and 7 material pieces can directly be taken out and put into crushing equipment.

Drawings

Fig. 1 is a schematic structural view of a die body according to an embodiment of the present invention.

Fig. 2 is the utility model discloses a structural schematic of mould indenter.

FIG. 3 is a schematic diagram of the present invention in which the molding material is placed in the intermediate frequency furnace graphite boat.

In the drawings: the die comprises a die body 1, a die pressure head 2, a graphite boat 3, a forming material 4, a die cavity 10, a die base 11 and bolt fixing holes 12.

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 accompanying 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The embodiment of the fan-shaped mold special for the boat pressing machine shown in fig. 1 to 3 comprises a mold body 1 and a mold pressure head 2, wherein the mold is arranged between a lower pressing cylinder and an upper pushing cylinder of the boat pressing machine, the mold pressure head 2 is connected with the lower pressing cylinder of the boat pressing machine, the lower pressing cylinder is fixed on an upper rack of the boat pressing machine, a mold cavity 10 of the mold body 1 is in an open design, a movable lower male die is arranged at the bottom of the mold cavity 10 of the mold body 1, the lower male die is connected with the upper pushing cylinder of the boat pressing machine, the upper pushing cylinder is fixed on a lower rack of the boat pressing machine, the fan-shaped mold special for the boat pressing machine is characterized in that a mold base 11 is formed at the bottom of the mold body 1 in an outward extending manner, bolt fixing holes 12 are arranged at the edge of the mold base 11 at intervals, the mold body 1 is fixed on the lower rack of the boat pressing machine through bolts arranged in a penetrating manner through the bolt fixing, and the bottom of the die cavity 10 of the die body 1 is matched with the lower punch on the push-up cylinder connected with the lower rack of the boat pressing machine.

In the embodiment, the cross section of the die cavity 10 is fan-shaped, the die head 2 and the lower punch are matched with the die cavity 10 in shape, the sector is specially designed for a graphite boat 3 used for a carbonization device intermediate frequency furnace, the graphite boat 3 of the intermediate frequency furnace is a hollow cylindrical container with a bottom, a furnace charge is loaded in three layers of boats, each layer is covered with a graphite disc cover and then stacked, the middle part of the boat passes through a graphite guide rod and then is put into the intermediate frequency furnace for carbonization, the sector surface of the die cavity 10 is based on the cross-sectional circle area of the graphite boat 3 of the intermediate frequency furnace, the circle area of the middle graphite guide rod and the operation space for taking and placing materials are reserved, and calculating the carrying bearing range of the single formed material 4 in manual operation (the weight of 4 formed materials is about 8 kilograms) through material density and compaction proportion, equally dividing the cross section circle into 7 similar fan-shaped surfaces, and taking the single similar fan-shaped surface as the section of the mould.

In this embodiment, the length of the outer arc of the sector of the mold cavity 10 is about 130 mm, the length of the inner arc of the sector is about 40 mm, the distance between the inner arc and the outer arc is about 120mm, the height of the mold cavity 10 is 190mm (in other embodiments, the height of the mold cavity 10 may be 200mm depending on the weight of the 4 pieces of molding material), therefore, under the condition that the pressure provided by the boat pressing machine is constant, the height and the weight of the press forming material 4 are determined by the value of the height of the mould, and through calculation, under the set pressure value, the material compression ratio is 2:1, and the most suitable specific mould height is calculated according to the height of the graphite boat 3 of the intermediate frequency furnace and the density of the material, so that the weight of 4 pieces of the press-formed material is 8 kilograms (in other embodiments, the weight of 4 pieces of the formed material can also be 6 kilograms, 7 kilograms or 9 kilograms, and the like), and the press-formed material is convenient to arrange in double layers and manually take.

In the present embodiment, the die body 1 and the die ram 2 are made of a die steel material.

Further, in other embodiments, the cross-sectional shape of the mold cavity 10 can be adjusted according to actual conditions to obtain the molding material 4 with different shapes.

Further, in other embodiments, the size of the mold cavity 10 can be adjusted according to actual conditions, so as to obtain the molding material 4 with different weights.

When the material pressing device is used, after a W + C mixed material is filled into the die cavity 10, the total height of the die cavity 10 is filled by the feeding amount, the die pressing head 2 is driven by the pressing cylinder to be pressed down and extend into the die cavity 10 through program setting control, the lower die at the bottom of the die cavity 10 is always in a closed state with the die cavity 10 in the material entering and pressing process, after the pressing action is completed, the die pressing head 2 rises to return to the original position, the lower die at the bottom of the die cavity 10 is driven by the pushing cylinder to be pushed up through program setting control, a material block which is subjected to pressing forming is pushed out of the fan-shaped female die, and the.

The utility model discloses a be applied to on W + C presses boat machine, beneficial effect has three points, 1, make W + C mixture material piece (the shaping material 4 promptly) through the suppression, and the shaping is the cylinder of similar sector, and about 6-9 kilograms of single material piece weight, the cylinder of 7 similar sector can be pieced into complete cylinder, puts in intermediate frequency furnace graphite boat 3, and the complete boat space of utilizing is put during convenient operation, full play productivity.

2. The formed W + C material block (namely the formed material 4) is compacted tightly, the side wall of the material block cylinder is not contacted with the graphite boat 3, the formation of graphite particles in the carbonization process is greatly reduced, and the input-output rate is improved.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, schematic representations of the above terms 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.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims

1. The utility model provides a press special fan-shaped mould of boat machine, its characterized in that, includes mould body (1) and mould pressure head (2), mould pressure head (2) link to each other with the lower air cylinder that presses the boat machine, and the lower air cylinder is fixed in and presses boat machine upper portion frame, die cavity (10) of mould body (1) are uncovered formula design, mould body (1) is provided with the lower terrace die of activity in die cavity (10) bottom, the terrace die links to each other with the push-up cylinder that presses the boat machine down, the push-up cylinder is fixed in pressing boat machine lower part frame.

2. The sector mould special for the boat pressing machine as claimed in claim 1, wherein the cross-sectional shape of the mould cavity (10) is a sector, and the shapes of the mould pressure head (2) and the lower convex mould are matched with the shape of the mould cavity (10).

3. The sector mold for the boat pressing machine as claimed in claim 2, wherein the length of the sector outer arc of the mold cavity (10) is 130 mm, the length of the sector inner arc is 40 mm, the distance between the inner arc and the outer arc is 120mm, and the height of the mold cavity (10) is 190mm and 200 mm.

4. The sector mold special for the boat pressing machine as claimed in claim 1, wherein the bottom of the mold body (1) is extended outwards to form a mold base (11).

5. The sector mold special for the boat pressing machine as claimed in claim 4, wherein the edge of the mold base (11) is provided with bolt fixing holes (12) at intervals.