CN209978609U

CN209978609U - Special graphite crucible

Info

Publication number: CN209978609U
Application number: CN201920539638.0U
Authority: CN
Inventors: 周尚银; 陈远洲; 宁忠平
Original assignee: Chengdu Haicheng Womcon Technology Co Ltd
Current assignee: Chengdu Haicheng Womcon Technology Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-01-21
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a purpose-built graphite crucible relates to graphite crucible technical field, and the built-up connection mode of having solved current combination formula crucible is too simple and lead to the problem of collapsing easily, the utility model discloses a graphite barrel of two at least upper and lower combinations, the graphite barrel bottom of below is sealed, all be provided with connection structure on every graphite barrel top face, connection structure includes the arc wall, all set up the draw-in groove of L shape on the inner wall of arc wall both sides, the draw-in groove includes that the top notch is located the vertical section on the graphite barrel top face and connects the horizontal segment in vertical section lower part, the graphite barrel bottom of top is provided with the connecting block that can insert below graphite barrel top arc wall, the degree of depth of arc wall is not less than the height of connecting block, the connecting block both sides be provided with can with draw-in groove complex fixture block, the length of arc wall is greater than.

Description

Special graphite crucible

Technical Field

The utility model relates to a graphite crucible technical field, more specifically relate to a purpose-built graphite crucible.

Background

The graphite crucible is a kind of crucible fired by graphite, clay and other raw materials, and has the characteristics of high temperature resistance, strong heat conductivity, good corrosion resistance, long service life and the like. In the high-temperature use process, the thermal expansion coefficient is small, and the high-temperature heat-resistant steel has certain strain resistance to rapid cooling and rapid heating. Has strong corrosion resistance to acid and alkaline solutions, has excellent chemical stability, and does not participate in any chemical reaction in the smelting process. The graphite crucible has smooth inner wall, and the molten metal is not easy to leak and adhere to the inner wall of the crucible, so that the metal has good fluidity and castability, and is widely used for alloy tool steel smelting and smelting of non-ferrous metals and alloys thereof.

The existing graphite crucible is generally low in height, which results in a limited capacity of the graphite crucible, because it is difficult to process a graphite crucible having a large height due to the strength limit of the raw material itself. The diameter of the graphite crucible must be increased to enlarge the capacity, which increases the space occupation in the horizontal direction, and the inability to enlarge the capacity of the graphite crucible from the vertical direction limits the use of the graphite crucible.

The utility model with application number 2018207070352 provides a graphite crucible with adjustable utilize the graphite barrel of different quantity to make up in vertical direction to obtain the graphite crucible of different capacity. However, the graphite cylinder in the patent is too simple to assemble, and only depends on gravity and a clamping groove structure with a very shallow depth. The graphite crucible after assembly has a good stability in the vertical state, and once it is slightly inclined or is very easy to collapse under the action of external force, for example, when it is operated by crucible tongs. Therefore, the graphite crucible in the patent has poor stability after being combined, and is easy to collapse accidentally during use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the combination connection mode of the existing combined crucible is too simple and easily leads to collapse, the utility model provides a purpose-made graphite crucible.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a purpose-built graphite crucible, including the graphite barrel of two at least upper and lower combinations, the graphite barrel bottom of below is sealed, all be provided with connection structure on every graphite barrel top face, connection structure includes the arc wall, the draw-in groove of L shape all has been seted up on the inner wall of arc wall both sides, the draw-in groove includes that the top notch is located the vertical section on graphite barrel top face and connects the horizontal segment in vertical section lower part, the graphite barrel bottom of top is provided with the connecting block that can insert below graphite barrel top arc wall, the degree of depth of arc wall is not less than the height of connecting block, the connecting block both sides be provided with can with draw-in groove complex fixture block, the length of arc wall is greater than the length.

Furthermore, a groove is formed in the bottom of the arc-shaped groove below the tail end of the horizontal section, the width of the groove is the same as that of the connecting block, a vertical limiting groove communicated with the tail end of the horizontal section is formed in the inner wall of the arc-shaped groove, the limiting groove extends downwards into the groove, and the height of the connecting block is not larger than the sum of the depth of the arc-shaped groove and the depth of the limiting groove.

Further, the vertical section and the horizontal section of the clamping groove are the same as the width of the limiting groove.

Furthermore, each top end face of each graphite cylinder body is provided with a raised arc-shaped strip on the rest part except the arc-shaped groove, and the bottom end face of each graphite cylinder body is provided with an arc-shaped fixing groove matched with the arc-shaped strips on the rest part except the connecting block.

Furthermore, the cross sections of the arc-shaped strips and the fixing grooves are semicircular.

Furthermore, the connecting structures are evenly provided with a plurality of connecting blocks on the top end face of the graphite cylinder body, and the bottom of the graphite cylinder body is provided with a plurality of connecting blocks which are in one-to-one correspondence with the arc-shaped grooves in the connecting structures.

The utility model has the advantages as follows:

1. the utility model discloses improve on prior art, remain its advantage that can make up in a flexible way and realize adjusting capacity, solved its graphite barrel combination mode simultaneously and too simple and easily take place the problem of collapsing, utilize the dual cooperation of connecting block and arc wall, fixture block and draw-in groove, the stability of effectual improvement graphite barrel combination. Simultaneously the utility model discloses the combination operation of well graphite barrel is also very simple and convenient, only need insert, rotatory two steps can.

2. The limiting function of the groove on the connecting block and the limiting function of the limiting groove on the clamping block are utilized, so that the upper graphite cylinder and the lower graphite cylinder cannot be easily rotated in a normal combination state, the graphite cylinder above the upper graphite cylinder needs to be lifted to rotate, and the working stability of the graphite crucible combination is improved.

3. When the graphite crucible is in a combined state, the arc-shaped strips on the upper graphite cylinder body and the lower graphite cylinder body are matched with the fixing grooves, so that the combination stability is further improved, and meanwhile, the sealing performance of the mutual contact position of the upper graphite cylinder body and the lower graphite cylinder body is also realized to a certain extent.

4. A plurality of connection structure mutually support, further improve the stability of combination and use between the graphite barrel from top to bottom.

Drawings

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

FIG. 2 is a top view of the graphite cylinder of FIG. 1;

reference numerals: 1-graphite cylinder, 2-fixed groove, 3-arc bar, 4-connecting block, 5-clamping block, 6-arc groove, 7-clamping groove, 7.1-vertical section, 7.2-horizontal section, 8-limiting groove, and 9-groove.

Detailed Description

For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.

Example 1

The utility model provides a purpose-built graphite crucible, including two at least graphite barrel 1 that can make up from top to bottom, 1 bottom of graphite barrel of below is sealed, all be provided with connection structure on every graphite barrel 1 top face, connection structure includes arc wall 6, all set up the draw-in groove 7 of L shape on the inner wall of 6 both sides of arc wall, draw-in groove 7 includes that the top notch is located vertical section 7.1 on 1 top face of graphite barrel and connects horizontal segment 7.2 in vertical section 7.1 lower part, 1 bottom of graphite barrel of top is provided with the connecting block 4 that can insert 1 top arc wall 6 of graphite barrel of below, the degree of depth of arc wall 6 is not less than the height of connecting block 4, connecting block 4 both sides are provided with can with draw-in groove 7 complex fixture block 5, the length of arc wall 6 is greater than the length.

The working principle is as follows: when graphite barrel 1 combination is carried out at graphite crucible, at first aim at the arc 6 at 1 top of below graphite barrel with the connecting block 4 of 1 bottom of graphite barrel of top, more specifically say, let the fixture block 5 of connecting block 4 both sides aim at the vertical section 7.1 in the draw-in groove 7 of arc 6 both sides simultaneously, then make connecting block 4 insert in the arc 6 downwards, and then the fixture block 5 of connecting block 4 both sides also enters into draw-in groove 7 by vertical section 7.1, when connecting block 4 inserts certain degree of depth, graphite barrel 1 contaction from top to bottom, fixture block 5 is located vertical section 7.1 bottom and corresponds with horizontal segment 7.2 this moment, the graphite barrel 1 of rotatory top afterwards, make connecting block 4 along arc 6, fixture block 5 remove along horizontal segment 7.2, it can to move to the fixture block 5 and the certain distance that staggers of vertical section 7.1.

It should be noted that the shape of the connecting block 4 is an arc shape with the same arc-shaped groove 6, and the thickness of the connecting block 4 is the same as the thickness of the arc-shaped groove 6.

The utility model discloses improve on prior art, remain its advantage that can make up in a flexible way and realize adjusting capacity, solved its graphite barrel combination mode simultaneously and too simple and easily take place the problem of collapsing, utilize the dual cooperation of connecting block and arc wall, fixture block and draw-in groove, the stability of effectual improvement graphite barrel combination. Simultaneously the utility model discloses the combination operation of well graphite barrel is also very simple and convenient, only need insert, rotatory two steps can.

Example 2

The embodiment is improved on the basis of embodiment 1:

recess 9 has been seted up to 6 tank bottoms of arc wall of 7.2 terminal below of horizontal segment, and the recess 9 width is the same with connecting block 4 width, offers vertical spacing groove 8 with 7.2 terminal intercommunications of horizontal segment on the 6 inner walls of arc wall, and during spacing groove 8 downwardly extending to recess 9, connecting block 4 highly be not more than the degree of depth sum of the degree of depth of arc wall 6 and spacing groove 8.

Make at graphite barrel 1 combination, connecting block 4 can fall into to recess 9 after 1 rotation along with graphite barrel, fixture block 5 can enter into spacing groove 8, utilizes recess 9 to connecting block 4's limiting displacement, spacing groove 8 to fixture block 5's limiting displacement, makes graphite barrel 1 unable counter rotation when normal combined state. When the combination state needs to be released, the graphite cylinder 1 above the graphite cylinder is lifted, so that the connecting block 4 moves upwards to be separated from the groove 9, and the graphite cylinder 1 can be rotated reversely to complete the release of the combination.

The limiting function of the groove on the connecting block and the limiting function of the limiting groove on the clamping block are utilized, so that the upper graphite cylinder and the lower graphite cylinder cannot be easily rotated in a normal combination state, the graphite cylinder above the upper graphite cylinder needs to be lifted to rotate, and the working stability of the graphite crucible combination is improved.

Example 3

The embodiment is improved on the basis of embodiment 1:

the vertical section 7.1 and the horizontal section 7.2 of the clamping groove 7 and the limiting groove 8 are the same in width.

Example 4

The embodiment is improved on the basis of the above embodiment:

every 1 top end of graphite barrel all is provided with bellied arc strip 3 on the rest except that

arc groove

6, and 1 bottom end of graphite barrel all is provided with the curved fixed slot 2 that can cooperate with arc strip 3 on the rest except that connecting block 4.

When the graphite crucible is in a combined state, the arc-shaped strips on the upper graphite cylinder body and the lower graphite cylinder body are matched with the fixing grooves, so that the combination stability is further improved, and meanwhile, the sealing performance of the mutual contact position of the upper graphite cylinder body and the lower graphite cylinder body is also realized to a certain extent.

Example 5

The embodiment is improved on the basis of the above embodiment:

the cross sections of the arc-shaped strips 3 and the fixing grooves 2 are semicircular.

Example 6

The embodiment is improved on the basis of the above embodiment:

the connecting structures are uniformly provided with a plurality of connecting blocks 4 which are in one-to-one correspondence with the arc-shaped grooves 6 in the connecting structures on the top end face of the graphite cylinder body 1, and the bottom of the graphite cylinder body 1 is provided with a plurality of connecting blocks 4.

A plurality of connection structure mutually support, further improve the stability of combination and use between the graphite barrel from top to bottom.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. A purpose-made graphite crucible, includes at least two graphite barrel (1) that can make up from top to bottom, and graphite barrel (1) bottom below is sealed, its characterized in that: all be provided with connection structure on every graphite barrel (1) top face, connection structure includes arc wall (6), draw-in groove (7) of L shape have all been seted up on the inner wall of arc wall (6) both sides, draw-in groove (7) include that top notch is located vertical section (7.1) on graphite barrel (1) top face and connect horizontal segment (7.2) in vertical section (7.1) lower part, graphite barrel (1) bottom of top is provided with connecting block (4) that can insert below graphite barrel (1) top arc wall (6), the degree of depth of arc wall (6) is not less than the height of connecting block (4), connecting block (4) both sides are provided with can with draw-in groove (7) complex fixture block (5), the length of arc wall (6) is greater than the length of connecting block (4).

2. The tailored graphite crucible as recited in claim 1, wherein: recess (9) have been seted up to arc wall (6) tank bottom of horizontal segment (7.2) terminal below, and recess (9) width is the same with connecting block (4) width, offers vertical spacing groove (8) with horizontal segment (7.2) terminal intercommunication on arc wall (6) inner wall, and during spacing groove (8) downwardly extending to recess (9), the degree of depth that highly is not more than arc wall (6) of connecting block (4) and the degree of depth sum of spacing groove (8).

3. The special graphite crucible as set forth in claim 2, wherein: the vertical section (7.1) of the clamping groove (7) is the same as the horizontal section (7.2) and the limiting groove (8) in width.

4. The tailored graphite crucible as recited in claim 1, wherein: the top end face of each graphite cylinder (1) is provided with a raised arc-shaped strip (3) on the rest part except the arc-shaped groove (6), and the bottom end face of each graphite cylinder (1) is provided with an arc-shaped fixing groove (2) which can be matched with the arc-shaped strip (3) on the rest part except the connecting block (4).

5. The special graphite crucible as claimed in claim 4, wherein: the cross sections of the arc-shaped strips (3) and the fixing grooves (2) are semicircular.

6. The tailored graphite crucible as recited in claim 1, wherein: the connecting structure is characterized in that a plurality of connecting blocks (4) which correspond to the arc-shaped grooves (6) in the connecting structure one by one are uniformly arranged on the top end face of the graphite cylinder body (1), and the bottom of the graphite cylinder body (1) is provided with a plurality of connecting blocks (4).