CN209649579U - A kind of big specification graphite crucible heat pressing and molding mold - Google Patents
A kind of big specification graphite crucible heat pressing and molding mold Download PDFInfo
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- CN209649579U CN209649579U CN201822171101.1U CN201822171101U CN209649579U CN 209649579 U CN209649579 U CN 209649579U CN 201822171101 U CN201822171101 U CN 201822171101U CN 209649579 U CN209649579 U CN 209649579U
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- lantern ring
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Abstract
The utility model discloses a kind of big specification graphite crucible heat pressing and molding molds, are related to technical field of mold.The mold includes external mold, internal model, pushing post mould, lantern ring and several elastic connecting elements, and the external mold lower end inner wall is equipped with annular protrusion, and the upper end of the pushing post mould is inserted into annular protrusion, and pushing post mould upper surface is concordant with annular protrusion upper surface；In the molding hole of the lower section columnar part insertion external mold；The lantern ring is sleeved on lower section cylinder, and the lantern ring is between upper section cylinder and external mold；The lantern ring is connect by elastic connecting element with upper section cylinder.When mold releasability described in the utility model, power part drives internal model to move up, since there are tension between lantern ring and internal model, lantern ring pushes down crucible green body and limits the movement of crucible green body, to overcome the cohesive force between internal model and crucible green body, destruction of the moulding/demoulding to crucible green body in during demoulding is avoided, structure is simple, and idiosome qualification rate is high.
Description
Technical field
The utility model relates to technical field of mold more particularly to a kind of big specification graphite crucible heat pressing and molding molds.
Background technique
In present graphitization negative electrode material industry, for crucible as a powder high temperature graphitization container, consumption is non-
Chang great.But in crucible manufacturing process, when producing crucible especially by the mode of compression moulding, the yield rate of crucible and each
Item performance indicator difficulty or ease reach expected, substandard products easily occur, one of principal element is that molding die, current industry technique
In, after crucible compression moulding, interior mold during demoulding, due to by mutual between interior mold and inner surface of crucible in compacting
Extruding force and the influence of frictional force generated, mold are easy to bond with crucible internal walls, demould unsmooth, the crucible finished product of compression moulding
Destructible, so make compacting quality it is not up to standard, have it is direct just damaged in depanning, some firing stage generate time
Product and waste product.
Summary of the invention
To solve the above-mentioned problems, it improves crucible compression moulding qualification rate and improves efficiency, the utility model proposes one
Kind big specification graphite crucible heat pressing and molding mold, the mold when interior mold rises and demoulds, the crucible green body of compression moulding with
The influence of cohesive force (frictional force) between interior mold is small, and the crucible green body of internal model and compression moulding can be demoulded smoothly, and structure is simple,
Qualification rate is high.
To achieve the goals above, the utility model is using once technical solution, including cylindric external mold, up big and down small
The columnar internal model of ladder circle and columned pushing post mould, the lower end of the internal model upper end and pushing post mould be connected separately with
Power part, the external mold lower end inner wall are equipped with annular protrusion, and the upper end of the pushing post mould is inserted into annular protrusion, the top
It is concordant with annular protrusion upper surface to push away column mould upper surface；The internal model includes upper section cylinder and lower section cylinder, the lower section cylinder
In the molding hole of partial insertion external mold；The central axis of the external mold, internal model and pushing post mould is identical；The mold further includes
Lantern ring and several elastic connecting elements, the lantern ring are sleeved on lower section cylinder, and the lantern ring is located at upper section cylinder and external mold
Between；The lantern ring is connect by elastic connecting element with upper section cylinder.In forming process, the lantern ring is located on external mold, institute
State before the upper section cylinder of lantern ring and internal model there are tension so that the crucible green body of compression moulding and internal model lower section cylinder it
Between frictional force it is small, convenient for demoulding.
Further, the lantern ring inner wall is close to the outer wall of internal model lower section cylinder, guarantees the upper of crucible green body after molding
The size of end face.
Further, the elastic connecting element includes spring and screw；Annular end face under the upper section cylinder of the internal model
On by even circumferential be provided with several tapped blind holes, be provided with several through-holes by even circumferential on the lantern ring, the tapped blind hole and
The position of through-hole corresponds；Projection of several through-holes on external mold is located at around molding hole；The upper end of the screw according to
It is secondary to pass through through-hole and spring, and be tightened in tapped blind hole.The lantern ring and upper section cylinder realize connection by screw, and lead to
It crosses spring and makes the presence of tension between the two.
Further, the tapped blind hole is ladder-like, and the tapped blind hole is followed successively by threaded hole and the from top to bottom
The upper end of one spring eye, the spring is located at the first spring eye, and the upper end of the screw is tightened in threaded hole.
Further, in the tapped blind hole, the diameter of the diameter of the threaded hole less than the first spring eye.
Further, the through-hole is ladder-like, and the through-hole is followed successively by second spring hole, intermediate throughholes from top to bottom
And limit hole；The lower end of the spring is located in second spring hole, and the screw passes through intermediate throughholes and spring, the screw
Head is stuck in limit hole.
Further, in the through-hole, the diameter in the second spring hole is greater than the diameter of intermediate throughholes, and described second
The position of spring eye limited spring lower end, while guaranteeing tension force of spring；The diameter of the limit hole is greater than the straight of intermediate throughholes
Diameter limits the position on the head of bolt.
When the demoulding of big specification graphite crucible heat pressing and molding mold described in the utility model, at interior moulding/demoulding initial stage,
Internal model is only contacted with the inner wall of crucible green body, and the lower end surface of upper section cylinder is close in the upper surface of lantern ring, and the lower end surface of lantern ring is close to
The upper surface of external mold and the upper surface of crucible green body, and there is also tension between lantern ring and internal model；Power part drives internal model
It moves up, lantern ring under tension, still push down crucible green body and limit the position of crucible green body, to overcome by lantern ring
Cohesive force between internal model and crucible green body avoids destruction of the moulding/demoulding to crucible green body in during demoulding.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of big specification graphite crucible heat pressing and molding mold described in the utility model.
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A.
Fig. 3 is structural representation of the big specification graphite crucible heat pressing and molding mold described in the utility model when crucible is suppressed
Figure.
Fig. 4 is the structural schematic diagram of lantern ring described in the utility model.
In figure: 1. external molds, 1-1. annular protrusion, 1-2. molding hole；2. internal model, 2-1. upper section cylinder, 2-2. lower section cylinder；
3. pushing post mould；4. lantern ring；5. spring；6. screw；7. tapped blind hole, 7-1. threaded hole, the first spring eye of 7-2.；8. through-hole,
8-1. second spring hole, 8-2. intermediate throughholes, 8-3. limit hole；9. raw material for crucible；10. crucible green body.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Unless otherwise defined, the technical term or scientific term used herein should be in disclosure fields and has
The ordinary meaning that the personage of general technical ability is understood.Used in disclosure patent application specification and claims
"upper", "lower", "left", "right", "front", "rear" etc. are only used for indicating relative positional relationship, when the absolute position for being described object
After change, then the relative positional relationship also correspondingly changes.
As shown in Figure 1, big specification graphite crucible heat pressing and molding mold described in the present embodiment, which includes cylindric
The columnar internal model 2 of external mold 1, up big and down small ladder circle and columned pushing post mould 3,2 upper end of internal model and pushing post
The lower end of mould 3 is connected separately with power part, and under the action of the power part of the two, internal model 2 can be moved up and down, pushing tow
Column mould 3 can also move up and down；1 lower end inner wall of external mold is equipped with annular protrusion 1-1, and the upper end of the pushing post mould 3 is inserted
Enter in annular protrusion 1-1,3 upper surface of pushing post mould is concordant with the upper surface annular protrusion 1-1,3 upper end of pushing post mould
The inner ring surface of outer ring surface abutting annular protrusion 1-1；The internal model 2 includes upper section cylinder 2-1 and lower section cylinder 2-2, the lower section
In the molding hole 1-2 of cylinder 2-2 partial insertion external mold 1；The central axis of the external mold 1, internal model 2 and pushing post mould 3 is identical；
The above-mentioned prior art part for crucible blank forming mold.
As illustrated in fig. 1 and 2, the present embodiment has made following improvement, and the mold further includes that lantern ring 4 and six elasticity connect
Relay part, the lantern ring 4 are sleeved on lower section cylinder 2-2, and the lantern ring 4 is between upper section cylinder 2-1 and external mold 1；It is described
4 inner wall of lantern ring is close to the outer wall of 2 lower section cylinder 2-2 of internal model, guarantees the size of the upper surface of crucible green body after molding；The set
The outer diameter of ring 4 is greater than the diameter of molding hole 1-2.
Further, as illustrated in fig. 1 and 2, it is opened on annular end face by even circumferential under the upper section cylinder 2-1 of the internal model 2
There are six tapped blind hole 7, the tapped blind hole 7 be it is ladder-like, each tapped blind hole 7 be followed successively by from top to bottom threaded hole 7-1 and
Diameter of the diameter less than the first spring eye 7-2 of first spring eye 7-2, the threaded hole 7-1；It is equal by circumference on the lantern ring 4
Even to open there are six through-hole 8, the through-hole 8 is located at around molding hole 1-2 in the projection on external mold 1, the through-hole 8 be it is ladder-like,
Each through-hole 8 is followed successively by second spring hole 8-1, intermediate throughholes 8-2 and limit hole 8-3 from top to bottom；The second spring hole 8-1
Diameter be greater than the diameter of intermediate throughholes 8-2, the diameter of the limit hole 8-3 is greater than the diameter of intermediate throughholes 8-2；It is described each
Elastic connecting element includes a spring 5 and a screw 6；The upper end of six springs 5 is respectively placed in six the first spring eyes
7-2, then the lower end of six springs 5 are respectively placed in six second spring hole 8-1；Then six 6 upper ends of screw are each passed through
Corresponding through-hole 8 and spring 5, into tapped blind hole 7, the upper end of six screws 6 passes through screw thread and is fastened on six respectively
In a threaded hole 7-1, to realize the connection of 2 upper section cylinder 2-1 of lantern ring 4 and internal model, the head of the screw 6 is stuck in limit hole
In 8-3, spring 5 then ensure that the elasticity tension between lantern ring 4 and internal model 2.
The improved mold of above-described embodiment is used for 10 compression moulding of crucible green body: as shown in Figure 1, mold is in original state
When, the lower section cylinder 2-2 of internal model 2 is partly interposed in molding hole, 3 upper surface of pushing post mould and the upper end annular protrusion 1-1
Face is concordant；Raw material for crucible 9 is added into molding hole 1-2, then starts the power part of internal model 2, internal model 2 and lantern ring 4 are to moving down
Dynamic, until the formation of crucible green body 10, the lower end surface of upper section cylinder 2-1, the lower end surface of lantern ring 4 are close in the upper surface of lantern ring 4 at this time
It is close to the upper surface of external mold 1 and the upper surface of crucible green body 10, internal model 2 is only contacted with the inner wall of crucible green body 10；Keep certain
It after time, is demoulded, drives internal model 2 to move up by the power part of internal model 2, opened due to existing between lantern ring 4 and internal model 2
Power, lantern ring under tension, still push down crucible green body 10 and limit the position of crucible green body 10 by lantern ring, thus in overcoming
Cohesive force between mould and crucible green body 10 avoids destruction of the moulding/demoulding to crucible green body 10 in during demoulding；Internal model 2
Power part work on, until internal model 2 do not contact crucible green body 10 completely, then remove internal model 2, start pushing post mould 3
Power part, pushing post mould 3 moves up, and crucible green body 10 is released to the molding hole 1-2 of external mold 1.Mold is restored into Fig. 1 institute
Show state, repeats aforesaid operations, carry out the compacting of next crucible green body 10.
When the projecting positioned at the upper surface of external mold 1 on external mold 1 of through-hole 8, and in pressing process, the upper surface of lantern ring 4
When being close to the lower end surface of upper section cylinder 2-1, the head of bolt 6 cannot stretch out through-hole 8.
Claims (7)
1. a kind of big specification graphite crucible heat pressing and molding mold, including cylindric external mold (1), up big and down small stepped cylindrical
The lower end of the internal model (2) and columned pushing post mould (3) of shape, internal model (2) upper end and pushing post mould (3) is separately connected
Dynamic component, external mold (1) lower end inner wall are equipped with annular protrusion (1-1), and annular is inserted into the upper end of the pushing post mould (3)
In raised (1-1), pushing post mould (3) upper surface is concordant with the annular protrusion upper surface (1-1)；The internal model (2) includes upper
The molding hole (1-2) of Duan Zhuti (2-1) and lower section cylinder (2-2), lower section cylinder (2-2) the partial insertion external mold (1) is interior；Institute
The central axis for stating external mold (1), internal model (2) and pushing post mould (3) is identical；It is characterized by: the mold further includes lantern ring
(4) and several elastic connecting elements, the lantern ring (4) are sleeved on lower section cylinder (2-2), and the lantern ring (4) is located at upper section
Between cylinder (2-1) and external mold (1)；The lantern ring (4) is connect by elastic connecting element with upper section cylinder (2-1).
2. big specification graphite crucible heat pressing and molding mold according to claim 1, it is characterised in that: in the lantern ring (4)
Wall is close to the outer wall of internal model (2) lower section cylinder (2-2).
3. big specification graphite crucible heat pressing and molding mold according to claim 1, it is characterised in that: the elastic joint part
Part includes spring (5) and screw (6)；The upper section cylinder (2-1) of the internal model (2) if under be provided with by even circumferential on annular end face
Dry tapped blind hole (7) is provided with several through-holes (8) on the lantern ring (4), the tapped blind hole (7) and through-hole (8) by even circumferential
Position correspond；Several through-holes (8) are located at around molding hole (1-2) in the projection on external mold (1)；The screw
(6) upper end sequentially passes through through-hole (8) and spring (5), and is tightened in tapped blind hole (7).
4. big specification graphite crucible heat pressing and molding mold according to claim 3, it is characterised in that: the tapped blind hole
(7) to be ladder-like, the tapped blind hole (7) is followed successively by threaded hole (7-1) and the first spring eye (7-2), the bullet from top to bottom
The upper end of spring (5) is located at the first spring eye (7-2), and the upper end of the screw (6) is tightened in threaded hole (7-1).
5. big specification graphite crucible heat pressing and molding mold according to claim 4, it is characterised in that: the tapped blind hole
(7) in, diameter of the diameter less than the first spring eye (7-2) of the threaded hole (7-1).
6. big specification graphite crucible heat pressing and molding mold according to claim 3, it is characterised in that: the through-hole (8) is
Ladder-like, the through-hole (8) is followed successively by second spring hole (8-1), intermediate throughholes (8-2) and limit hole (8-3) from top to bottom；Institute
The lower end for stating spring (5) is located in second spring hole (8-1), and the screw (6) passes through intermediate throughholes (8-2) and spring (5), institute
The head for stating screw (6) is stuck in limit hole (8-3).
7. big specification graphite crucible heat pressing and molding mold according to claim 6, it is characterised in that: in the through-hole (8),
The diameter of the second spring hole (8-1) is greater than the diameter of intermediate throughholes (8-2), during the diameter of the limit hole (8-3) is greater than
Between through-hole (8-2) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171101.1U CN209649579U (en) | 2018-12-24 | 2018-12-24 | A kind of big specification graphite crucible heat pressing and molding mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171101.1U CN209649579U (en) | 2018-12-24 | 2018-12-24 | A kind of big specification graphite crucible heat pressing and molding mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209649579U true CN209649579U (en) | 2019-11-19 |
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ID=68518515
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822171101.1U Active CN209649579U (en) | 2018-12-24 | 2018-12-24 | A kind of big specification graphite crucible heat pressing and molding mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209649579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483171A (en) * | 2020-04-22 | 2020-08-04 | 四川士达特种炭材有限公司 | Isostatic pressing graphite barrel material forming die and isostatic pressing cylindrical graphite processing method |
-
2018
- 2018-12-24 CN CN201822171101.1U patent/CN209649579U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483171A (en) * | 2020-04-22 | 2020-08-04 | 四川士达特种炭材有限公司 | Isostatic pressing graphite barrel material forming die and isostatic pressing cylindrical graphite processing method |
| CN111483171B (en) * | 2020-04-22 | 2021-04-23 | 四川士达特种炭材有限公司 | Processing method for producing isostatic pressing cylindrical graphite by using isostatic pressing graphite barrel material forming die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210629 Address after: 366103 Luofeng Industrial Park, Taihua Town, Datian County, Sanming City, Fujian Province Patentee after: Fujian Kehua graphite Technology Co.,Ltd. Address before: 243000 Dangtu Economic Development Zone, Ma'anshan City, Anhui Province Patentee before: Anhui Keda New Materials Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 366103 Luofeng Industrial Park, Taihua Town, Datian County, Sanming City, Fujian Province Patentee after: Fujian Keda New Energy Technology Co., Ltd. Address before: 366103 Luofeng Industrial Park, Taihua Town, Datian County, Sanming City, Fujian Province Patentee before: Fujian Kehua graphite Technology Co.,Ltd. |