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CN-224215810-U - Split carbon-carbon composite crucible for vacuum sintering

CN224215810UCN 224215810 UCN224215810 UCN 224215810UCN-224215810-U

Abstract

The utility model discloses a split carbon-carbon composite crucible for vacuum sintering, which comprises a bottom plate and further comprises first side plates symmetrically arranged on two sides of the top of the bottom plate, second side plates symmetrically arranged on the other two sides of the top of a base, a first step arranged at the bottom of the first side plate, and positioning holes symmetrically formed in a penetrating manner on two sides of the first side plate, wherein second steps are arranged below the two second side plates, the widths of the first steps and the second steps are 3mm, and limit holes are symmetrically formed in a penetrating manner on two sides of the second side plate, so that after sintering is completed, a crucible body can be easily separated from materials, the materials can be completely taken out, damage to the materials and the crucible due to forced material taking is avoided, the quality and the production efficiency of products are improved, when the crucible is damaged partially, only the damaged part is required to be replaced, the whole crucible is not required to be replaced, and the maintenance cost is greatly reduced.

Inventors

  • XIONG YUNHU
  • ZHANG ZHIBO
  • HUANG JIANMING
  • SASAKI SEISYU

Assignees

  • 上海东洋炭素有限公司

Dates

Publication Date
20260508
Application Date
20250715

Claims (7)

  1. 1. A split carbon-carbon composite crucible for vacuum sintering comprises a bottom plate (1); characterized by further comprising: the two sides of the top of the bottom plate (1) are symmetrically provided with first side plates (101), the other two sides of the top of the bottom plate (1) are symmetrically provided with second side plates (102), the bottom of the first side plates (101) is provided with first steps (103), and the two sides of the first side plates (101) are symmetrically penetrated with positioning holes (104); the two sides of the second side plates (102) are symmetrically penetrated by limiting holes (106), and positioning bolts (107) are arranged in the positioning holes (104) and the limiting holes (106); Wherein, two contained angle department of first curb plate (101) and two second curb plate (102) all is provided with spliced pole (109), and spliced groove (108) have all been seted up to four corners of bottom plate (1) to spliced pole (109) and spliced groove (108) adaptation are connected, and first screw hole (110) and second screw hole (111) have been seted up respectively to both sides that spliced pole (109) are close to first curb plate (101) and second curb plate (102), and positioning bolt (107) and first screw hole (110) and second screw hole (111) threaded connection.
  2. 2. The split carbon-carbon composite crucible for vacuum sintering according to claim 1, wherein the bottom of the connecting column (109) is fixedly provided with a supporting plate (112), the bottom of the supporting plate (112) is fixedly provided with a connecting block (113), the top of the connecting column (109) is provided with a placing groove (114), and the connecting block (113) is in adaptive connection with the placing groove (114).
  3. 3. The split carbon-carbon composite crucible for vacuum sintering as set forth in claim 1, wherein the support grooves (115) are formed in the bottoms of the two first side plates (101) and the two second side plates (102) in a penetrating manner, and positioning components (2) are arranged in the support grooves (115).
  4. 4. The split type carbon-carbon composite crucible for vacuum sintering, as set forth in claim 3, wherein the positioning assembly (2) comprises two groups of positioning blocks (201) fixedly installed on the outer side of the bottom plate (1), connecting holes (202) are symmetrically formed in the tops of the positioning blocks (201) in a penetrating mode, supporting frames (203) are fixedly installed above the positioning blocks (201) respectively on the two first side plates (101) and the two second side plates (102), inserting rods (204) are symmetrically arranged in the supporting frames (203) in a penetrating mode, connecting frames (205) are fixedly installed on the tops of the two inserting rods (204), and the inserting rods (204) are connected with the connecting holes (202) in an adapting mode.
  5. 5. The split carbon-carbon composite crucible for vacuum sintering of claim 4, wherein the bottom of the positioning block (201) is symmetrically provided with a fixed block (206) between two inserting rods (204), the inside of the fixed block (206) is slidably connected with a positioning rod (207), a positioning groove (210) is formed below one side of the inserting rod (204), and the positioning rod (207) is in clamping connection with the positioning groove (210).
  6. 6. The split carbon-carbon composite crucible for vacuum sintering according to claim 5, wherein the outer sides of the two positioning rods (207) are respectively sleeved with an extension spring (208), one end of each extension spring (208) is fixedly connected with the corresponding fixed block (206), the other end of each extension spring (208) is fixedly provided with a pushing block (209), and the pushing blocks (209) are fixedly connected with the positioning rods (207).
  7. 7. The split carbon-carbon composite crucible for vacuum sintering of claim 1, wherein the integral parts are all made of carbon-carbon composite.

Description

Split carbon-carbon composite crucible for vacuum sintering Technical Field The utility model relates to the technical field of vacuum sintering equipment accessories, in particular to a split carbon-carbon composite crucible for vacuum sintering. Background In the vacuum sintering process, the crucible is used as a key device for bearing materials, and the performance of the crucible plays a critical role in the sintering effect. At present, most of traditional crucibles are of an integrated structure, and various problems are exposed in the use process. For example, it is difficult to adapt to new technology demand through structural transformation, and the flexibility is lower, and after the sintering is accomplished, because the material probably takes place the adhesion with the crucible inner wall, integral type crucible is difficult to take out the material is complete, often need separate by force with the help of external force, and this not only damages the crucible easily, still can lead to the material impaired, influences product quality, moreover, integral type crucible is after long-term the use, if damage appears locally, whole crucible just needs to be changed, and the cost is higher. In addition, the existing crucible material (graphite) has certain limitation in terms of self weight and mechanical strength, and cannot meet the requirement of increasingly complex vacuum sintering technology. A split carbon-carbon composite crucible for vacuum sintering is proposed in order to solve the problems set forth above. Disclosure of utility model The utility model aims to provide a split carbon-carbon composite crucible for vacuum sintering, which solves the problems that the prior art is difficult to adapt to new process requirements through structural modification, the flexibility is low, after sintering is finished, the integral crucible is difficult to completely take out materials due to the fact that the materials are possibly adhered to the inner wall of the crucible, the integral crucible is often required to be forcibly separated by means of external force, the crucible is easy to damage, the materials are possibly damaged, the product quality is influenced, and the integral crucible is required to be replaced if the integral crucible is damaged locally after long-term use, and the cost is high. In order to achieve the aim, the utility model provides the technical scheme that the split carbon-carbon composite crucible for vacuum sintering comprises a bottom plate; Further comprises: The two sides of the top of the bottom plate are symmetrically provided with first side plates, the other two sides of the top of the base are symmetrically provided with second side plates, the bottom of the first side plates is provided with a first step, and the two sides of the first side plates are symmetrically penetrated with positioning holes; The two sides of the second side plate are symmetrically penetrated and provided with limiting holes, and positioning bolts are arranged in the positioning holes and the limiting holes; Wherein, two contained angle department of first curb plate and two second curb plates all is provided with the spliced pole, and the spread groove has all been seted up to four corners of bottom plate to the spliced pole is connected with the spread groove adaptation, and first screw hole and second screw hole have been seted up respectively to the both sides that the spliced pole is close to first curb plate and second curb plate moreover, and positioning bolt and first screw hole and second screw hole threaded connection. Preferably, the bottom fixed mounting of spliced pole has the backup pad, and the bottom fixed mounting of backup pad has the connecting block to the standing groove has been seted up at the top of spliced pole, and connecting block and standing groove adaptation are connected moreover. Preferably, the support grooves are formed in the lower portions of the first side plate and the second side plate in a penetrating mode, and positioning assemblies are arranged in the support grooves. Preferably, the positioning assembly comprises two groups of positioning blocks fixedly mounted on the outer side of the bottom plate, the tops of the positioning blocks symmetrically penetrate through and are provided with connecting holes, the two first side plates and the two second side plates are located above the positioning blocks and are fixedly provided with supporting frames, inserting rods are symmetrically arranged in the supporting frames in a penetrating mode, the tops of the two inserting rods are fixedly provided with connecting frames, and the inserting rods are connected with the connecting holes in an adapting mode. Preferably, the bottom of the positioning block is symmetrically provided with a fixing block between the two inserted bars, the inside of the fixing block is slidably connected with a positioning bar, a positioning groove is formed below one side o