CN209599918U - A kind of molding machine of graphite-pipe - Google Patents
A kind of molding machine of graphite-pipe Download PDFInfo
- Publication number
- CN209599918U CN209599918U CN201821730929.XU CN201821730929U CN209599918U CN 209599918 U CN209599918 U CN 209599918U CN 201821730929 U CN201821730929 U CN 201821730929U CN 209599918 U CN209599918 U CN 209599918U
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- cavity plate
- mold core
- core set
- plate mold
- graphite
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Abstract
A kind of molding machine of graphite-pipe, including hydraulic press, hydraulic press are mounted on cradle top center, hydraulic press is connect with compression bar, and compression bar is connect with punch-pin, and cylinder is equipped with below punch-pin, cylindrical exterior is cased with cavity plate mold core set, and cylinder is provided with heating sheet, and cavity plate mold core set is external to be cased with cavity plate external mold；On cylinder, cavity plate mold core set and cavity plate external mold are each attached to and present a theatrical performance as the last item on a programme；The central axes of compression bar, punch-pin and cavity plate external mold are overlapped；Cavity plate mold core set is made of the first cavity plate mold core set and the second cavity plate mold core set, and the outer diameter of the second cavity plate mold core set is greater than the outer diameter of the first cavity plate mold core set, and the internal diameter of the second cavity plate mold core set is equal with the internal diameter that the first cavity plate mold core covers.The present apparatus ensures that graphite-pipe has certain first base intensity, prevents from that fracture or damaged occurs in post-processing or use process, while realizing the fast demoulding of graphite-pipe green body, easy to operate.
Description
Technical field
The utility model belongs to graphite-pipe manufacturing field, in particular to a kind of molding machine of graphite-pipe.
Background technique
Composite polycrystal-diamond (PDC) is for manufacturing high-performance cutting tool, drilling bit and other wear resistant tools
Ideal material.Preparation method is to utilize cubic hinge press at present, under ultra high pressure and high temperature conditions (1300 DEG C ~ 1600 DEG C, 5 ~
6Gpa) diadust is compounded on cement carbide substrate, thus obtain both with the high rigidity of diamond, high-wearing feature with
Thermal conductivity, and a kind of high-performance composite materials of the intensity with hard alloy and toughness.In order to obtain microstructure
Uniformly, physical and chemical performance and the excellent product of composite performance, the control of cubic hinge press internal temperature field is particularly important, cubic pressure
In machine the temperature field of reaction chamber be by top hammer by give heating element apply high current, heating element according to resistance heating principle
And generate high temperature.
For graphite-pipe as the heating element being widely used in PDC production process, it is passed through by artificial synthesized graphite round bar at present
Machining forms, but the graphite-pipe for PDC production, as a kind of thin-walled workpiece, mechanical processing difficulty is higher, existing
Machine-tooled method obtained by yield rate it is lower, stock utilization is low.And it is poor by the graphite-pipe intensity after machining, it is assembling
The damage of graphite-pipe is easily caused when graphite-pipe heating element.So being mesh for the molding machine used in graphite-pipe manufacture
Preceding urgent problem.
Utility model content
In view of technical problem present in background technique, a kind of molding machine of graphite-pipe provided by the utility model,
Device ensures that graphite-pipe has certain first base intensity, prevents from that fracture or damaged occurs in post-processing or use process, simultaneously
Realize the fast demoulding of graphite-pipe green body, it is easy to operate.
In order to solve the above-mentioned technical problem, the utility model takes following technical solution to realize:
A kind of molding machine of graphite-pipe, including hydraulic press, hydraulic press are mounted on cradle top center, hydraulic press with
Compression bar connection, compression bar are connect with punch-pin, and cylinder is equipped with below punch-pin, and cylindrical exterior is cased with cavity plate mold core set, and cylinder, which is provided with, to be added
Backing, cavity plate mold core set is external to be cased with cavity plate external mold；Cylinder and cavity plate external mold are each attached to present a theatrical performance as the last item on a programme on；Compression bar, punch-pin, cavity plate mould
The central axes of core retainer plate and cavity plate external mold are overlapped；Cavity plate mold core set is made of the first cavity plate mold core set and the second cavity plate mold core set, the
One cavity plate mold core set and the second cavity plate mold core set are circular tube structures, and the outer diameter of the second cavity plate mold core set is greater than the first cavity plate mold core
The internal diameter of the outer diameter of set, the second cavity plate mold core set is equal with the internal diameter that the first cavity plate mold core covers.
In preferred scheme, the punch-pin is cylindrical structure, and lower ending opening, upper end closure, upper end is connect with compression bar；It is convex
Mould and cavity plate mold core cover and cavity plate external mold cooperates.
It is feed inlet, the width of feed inlet between the cavity plate external mold and the first cavity plate mold core set in preferred scheme
Equal to the difference of the outer diameter of the outer diameter and the first cavity plate mold core set of the second cavity plate mold core set, the width of feed inlet is equal to the wall of punch-pin again
It is thick.
In preferred scheme, the height of the punch-pin is greater than the difference of cylinder height and the second cavity plate mold core set height.
In preferred scheme, the bracket is the support construction that three supporting legs are constituted.
This patent can reach it is following the utility model has the advantages that
1, the present apparatus will complete raw material needed for graphite-pipe forms and be placed on feed zone, using hot-forming principle into
The first one-step forming of row, substantially increases stock utilization, and shaping speed is fast, easy to operate；
2, heating sheet and hydraulic press accurately control cavity plate internal temperature and punch-pin pressure, so that in hot-forming process tune
The molding physical reaction process of whole raw material, it is ensured that graphite-pipe has certain first base intensity, prevents from post-processing or using
Fracture or damaged occurs in journey；
3 cavity plate external molds and cavity plate mold core nested structure, can be after graphite-pipe forming process, and can hold cavity plate mold core set will
Cavity plate directly proposes that cavity plate mold core set holds in the palm graphite-pipe from positioning cylinder upwards, ensure that the fast demoulding of graphite-pipe green body, behaviour
Make convenient and efficient, prevents from causing unnecessary breakage when graphite depanning.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the utility model internal anatomy；
Fig. 2 is the utility model cavity plate mold core noose composition；
Fig. 3 is the utility model cavity plate cast outer mold structure figure.
In figure: hydraulic press 1, compression bar 2, bracket 3, punch-pin 4, cylinder 5, heating sheet 6, cavity plate external mold 7, cavity plate mold core set 8, the
One cavity plate mold core covers the 801, second cavity plate mold core and covers 802,9, feed inlet 10 of presenting a theatrical performance as the last item on a programme.
Specific embodiment
Preferred scheme is as shown in Figure 1, a kind of molding machine of graphite-pipe, including hydraulic press 1, hydraulic press 1 are mounted on branch
3 top center of frame, hydraulic press 1 are connect with compression bar 2, and compression bar 2 is connect with punch-pin 4, and cylinder 5, cylinder 5 are equipped with below punch-pin 4
Outside is cased with cavity plate mold core set 8, and cylinder 5 is provided with heating sheet 6, is cased with cavity plate external mold 7 outside cavity plate mold core set 8；
Cylinder 5 and cavity plate external mold 7, which are each attached to, presents a theatrical performance as the last item on a programme on 9；
The central axes coincidence of compression bar 2, punch-pin 4, cavity plate mold core set 8 and cavity plate external mold 7；
The hydraulic press 1 is YTC series single armed open type hydraulic press, has pressure controller with digital display and pressure sensor,
Controllable hydraulic press single shaft moves back and forth and controls the size of briquetting pressure；
The heating sheet 6 is silica gel heating sheet, is using high temperature resistant, the silicon rubber that high thermal conductivity, insulation performance is good, intensity is good
Soft electric heating film element made of glue, fibre reinforced materials resistant to high temperature and metal heating film circuit set, since it is
Thin sheet products (standard thickness is 1.5 mm) make it have good flexibility, can closely connect completely with heating object
Touching；In the technical program, heating sheet 6 can be connect with temperature control device, adjust the temperature to 150 degrees centigrades.
Preferred scheme is as shown in Figure 1, punch-pin 4 is cylindrical structure, and lower ending opening, upper end closure, upper end and compression bar 2 connect
It connects；Punch-pin 4 cooperates with cavity plate mold core set 8 and cavity plate external mold 7.
Preferred scheme is as depicted in figs. 1 and 2, and cavity plate mold core set 8 is by the first cavity plate mold core set 801 and the second cavity plate mold core
802 composition of set, the first cavity plate mold core set 801 and the second cavity plate mold core set 802 are circular tube structure, the second cavity plate mold core set 802
Outer diameter be greater than the first cavity plate mold core set 801 outer diameter, the second cavity plate mold core set 802 internal diameter and the first cavity plate mold core cover 801
Internal diameter it is equal.
Preferred scheme is as shown in Figure 1, be feed inlet 10, feed inlet between cavity plate external mold 7 and the first cavity plate mold core set 801
10 width is equal to the difference of the outer diameter of the second cavity plate mold core set 802 and the outer diameter of the first cavity plate mold core set 801, the width of feed inlet 10
Degree is equal to the wall thickness of punch-pin 4 again.
Preferred scheme covers 802 height with the second cavity plate mold core as shown in Figure 1, the height of punch-pin 4 is greater than 5 height of cylinder
Difference, this design guarantee that the present apparatus in the case where graphite powder is less, avoids cylinder 5 and punch-pin 4 inconsistent, influences graphite-pipe
Forming Quality.
Punch-pin 4, cavity plate mold core set 8 and the cavity plate external mold 7 is all made of 3Cr2Mo mould steel and is made, and is able to satisfy the present apparatus
Intensity requirement, it is cheap.
For preferred scheme as shown in Figure 1, bracket 3 is the support construction that three supporting legs are constituted, this structure both ensure that device
Stability, and do not interfere technical staff to operate, allowed a technician to biggish space and carried out blowing and depanning.
The work step of whole device is as follows:
1, graphite powder needed for forming a graphite-pipe is put into from feed inlet 10, can be along ring during pouring into
The feed inlet 10 of shape uniformly pours into；
2, graphite powder is subjected to the pre-heat treatment using heating sheet 6；
3, starting hydraulic press 1 moves downward punch-pin 4, and punch-pin 4 squeezes raw material into feed inlet 10, when setting
When pressure value reaches threshold value, stop hydraulic press 1, then punch-pin 4 is withdrawn upwards, graphite-pipe is molded at this time；
4, heating sheet 6 is deactivated, is cooled to room temperature to graphite-pipe temperature, takes out cavity plate mold core set 8, graphite-pipe will be in company with cavity plate
Mold core set 8 takes out together, and operation terminates.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim
The equivalents of middle technical characteristic are protection scope.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection scope within.
Claims (5)
1. a kind of molding machine of graphite-pipe, including hydraulic press (1), it is characterised in that: hydraulic press (1) is mounted on bracket (3) top
Portion center, hydraulic press (1) are connect with compression bar (2), and compression bar (2) is connect with punch-pin (4), and cylinder is equipped with below punch-pin (4)
(5), it is cased with cavity plate mold core set (8) outside cylinder (5), cylinder (5) is provided with heating sheet (6), is cased with outside cavity plate mold core set (8)
Cavity plate external mold (7)；
Cylinder (5) and cavity plate external mold (7) are each attached to and present a theatrical performance as the last item on a programme on (9)；
The central axes coincidence of compression bar (2), punch-pin (4), cavity plate mold core set (8) and cavity plate external mold (7)；
Cavity plate mold core set (8) is made of the first cavity plate mold core set (801) and the second cavity plate mold core set (802), the first cavity plate mold core
Set (801) and the second cavity plate mold core set (802) are circular tube structures, and it is recessed that the outer diameter of the second cavity plate mold core set (802) is greater than first
The outer diameter of mould mold core set (801), the internal diameter of the second cavity plate mold core set (802) are equal with the internal diameter of the first cavity plate mold core set (801).
2. a kind of molding machine of graphite-pipe according to claim 1, it is characterised in that: punch-pin (4) is cylindrical structure, under
End opening, upper end closure, upper end are connect with compression bar (2)；Punch-pin (4) and cavity plate mold core set (8) and cavity plate external mold (7) cooperate.
3. a kind of molding machine of graphite-pipe according to claim 1 or 2, it is characterised in that: cavity plate external mold (7) and first
It is feed inlet (10) between cavity plate mold core set (801), the width of feed inlet (10) is equal to the outer diameter of the second cavity plate mold core set (802)
And the width of the difference of the outer diameter of the first cavity plate mold core set (801), feed inlet (10) is equal to the wall thickness of punch-pin (4) again.
4. a kind of molding machine of graphite-pipe according to claim 1, it is characterised in that: the height of punch-pin (4) is greater than circle
Column (5) highly and the second cavity plate mold core set (802) height difference.
5. a kind of molding machine of graphite-pipe according to claim 1, it is characterised in that: bracket (3) is three supporting leg structures
At support construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730929.XU CN209599918U (en) | 2018-10-24 | 2018-10-24 | A kind of molding machine of graphite-pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730929.XU CN209599918U (en) | 2018-10-24 | 2018-10-24 | A kind of molding machine of graphite-pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209599918U true CN209599918U (en) | 2019-11-08 |
Family
ID=68393823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821730929.XU Expired - Fee Related CN209599918U (en) | 2018-10-24 | 2018-10-24 | A kind of molding machine of graphite-pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209599918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228197A (en) * | 2021-11-11 | 2022-03-25 | 三峡大学 | Forming device and method for thin-wall graphite heating pipe |
| CN114228196A (en) * | 2021-11-11 | 2022-03-25 | 三峡大学 | Efficient forming method of thin-wall graphite heating pipe |
-
2018
- 2018-10-24 CN CN201821730929.XU patent/CN209599918U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228197A (en) * | 2021-11-11 | 2022-03-25 | 三峡大学 | Forming device and method for thin-wall graphite heating pipe |
| CN114228196A (en) * | 2021-11-11 | 2022-03-25 | 三峡大学 | Efficient forming method of thin-wall graphite heating pipe |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 Termination date: 20201024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |