CN203063160U - Coal core high-pressure forming device - Google Patents
Coal core high-pressure forming device Download PDFInfo
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- CN203063160U CN203063160U CN 201220719951 CN201220719951U CN203063160U CN 203063160 U CN203063160 U CN 203063160U CN 201220719951 CN201220719951 CN 201220719951 CN 201220719951 U CN201220719951 U CN 201220719951U CN 203063160 U CN203063160 U CN 203063160U
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- counterdie
- coal
- base
- holes
- groove
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Abstract
The utility model relates to a coal core high-pressure forming device which is characterized by comprising a base, a lower die, an upper die, two guide rods, two fixing columns and two compressed springs. The base comprises a circular truncated cone, wherein one side of the circular truncated cone is provided with a through groove in the radial direction, the front side and the back side of the through groove are symmetrically provided with concave bases, two sides of the two concave bases are symmetrically provided with four step through holes, and an insertion block with a handle is inserted into the through groove in a sliding mode. The bottom of the lower die is evenly provided with four thread holes, the lower die is provided with two through holes allowing the compressed springs to penetrate through, the center of the top face of the lower die is provided with a die cavity, and two sides of the die cavity are symmetrically provided with sliding holes. The upper die comprises a top plate, wherein the bottom of the top plate is connected with a supporting column, the bottom of the supporting column is connected with a connecting plate, two sides of the connecting plate are provided with a pair of locating holes and symmetrically provided with fixing holes connecting the two fixing columns, and the center of the bottom of the connecting plate is fixedly connected with a compression shaft. The device can be widely used in coal sample forming pressing in various experiments.
Description
Technical field
The utility model relates to a kind of shaped device, particularly about a kind of coal core high-pressure molding device for experiment.
Background technology
Coal body is the dual media that all relatively grow in a kind of hole, crack, and the two has constituted the infiltration lane of coal body jointly.The permeability coefficient of coal is the important parameter of research coal body gas seepage flow, water filling seepage flow etc.The permeability coefficient of laboratory tests coal generally need use cylindrical coal core.Outstanding weak seam is difficult to directly drill through cylinder coal core, and success rate is extremely low, particularly in weak seam almost is impossible obtain complete column coal core.And for hard coal, as some mines in areas such as Shandong, Ningxia, the coal seam is harder, can directly drill through the coal core, laboratory processing and fabricating standard specimen.Though also there are certain difference in moulding coal sample and former coal sample in pore volume, deformation extent and peak strength numerical values recited.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides and a kind ofly can make the pulverized coal particle moulding, and can meet the coal sample requirement of experiment, the coal core high-pressure molding device of simple operation.
For achieving the above object, the utility model is taked following technical scheme: a kind of coal core high-pressure molding device is characterized in that: it comprises a base, a counterdie, a patrix, two guide rods, two fixed legs and two stage clips composition;
Described base comprises a round platform, one side of described round platform radially offers one for the groove that extracts coal sample, be useful on two dimples that support described stage clip forward and backward being symmetrical arranged of described groove, described round platform is provided with four step through-holes that are used for connecting by bolt counterdie, sliding in described groove, it is one corresponding with described groove shape to be inserted with, and has the inserted block of pull handle;
Described counterdie bottom surface is provided with four screwed holes with the corresponding connection of step through-hole of described base, on the described counterdie with the corresponding through hole that wears two described stage clips that is provided with of dimple of described base, the end face center of described counterdie is provided with a die cavity, is provided with a slide opening that is used for wearing guide rod in the bilateral symmetry of described die cavity;
Described patrix comprises taking over a business, the described bottom center of taking over a business is fixedly connected with a support column, described support column bottom is fixedly connected with a terminal pad, described terminal pad end face both sides are provided with the locating hole of the corresponding fixedly connected two described guide rods of a pair of slide opening with described counterdie, be symmetrically arranged with a fixing hole that connects two described fixed legs on the described terminal pad end face, be fixedly connected with a pressuring shaft that is used for pressing coal in the bottom center of described terminal pad.
Described patrix and counterdie adopt two guide rods location to be slidingly connected.
Described guide pillar, base, counterdie and pressuring shaft all adopt stainless steel to be processed into.
The wall thickness of described base is set to 80mm.
The utility model is owing to take above technical scheme, and it has the following advantages: 1, the utility model is because two guide rods connect upper and lower mould, therefore guarantees vertically applying of power in the extrusion forming process.2, therefore the utility model can alleviate the labour intensity of die sinking work owing to adopt stage clip to open patrix, makes simple to operation.3, the utility model is owing to all adopt stainless steel to be processed into the pressuring shaft of guide rod, base, counterdie and patrix, therefore can avoid the damage that causes getting rusty of part and cause mould of separating out of moisture in the coal sample forming process.4, therefore the utility model makes mould more solid because the wall thickness of base is set to 80mm, more safe and reliable when the compacting coal sample simultaneously.5, therefore the utility model can provide the coal sample of plurality of specifications shaped coal core of different nature for experiment owing to adopt hydraulic press control to increase pressure, pressing speed, voltage stabilizing time.The utility model can be widely used in various experiments with among the making of moulding coal sample.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the side view of Fig. 1
Fig. 3 is the cross section schematic top plan view of Fig. 2
Fig. 4 is understructure schematic diagram of the present utility model
Fig. 5 is the schematic top plan view of Fig. 4
Fig. 6 is inserted block structural representation of the present utility model
Fig. 7 is the schematic top plan view of Fig. 6
Fig. 8 is counterdie structural representation of the present utility model
Fig. 9 is the elevational schematic view of Fig. 8
Figure 10 is patrix structural representation of the present utility model
Figure 11 is terminal pad structural representation of the present utility model
Figure 12 is guide rod structure schematic diagram of the present utility model
Figure 13 is fixed leg structural representation of the present utility model
The specific embodiment
Below in conjunction with accompanying drawing and enforcement the utility model is described in detail.
Shown in Fig. 1～3, the utility model comprises a base 1, a counterdie 2, a patrix 3, two guide rods 4, two fixed legs 5 and two stage clips, 6 compositions.
As Fig. 4, shown in Figure 5, base 1 of the present utility model comprises a round platform 11, one side of round platform 11 radially offers one for the groove 12 that extracts coal sample, be useful on two dimples 13 that support stage clip 6 groove 12 forward and backward being symmetrical arranged, round platform 11 is provided with four step through-holes 14 that are used for connecting by bolt counterdie 2, sliding in groove 12, it is one corresponding with groove 12 shapes to be inserted with, and has inserted block 16(such as Fig. 6, shown in Figure 7 of pull handle 15).
As Fig. 8, shown in Figure 9, counterdie of the present utility model 2 bottom surfaces are provided with four screwed holes 21 with the step through-hole 14 corresponding connections of base 1, on the counterdie 2 with the dimple 13 corresponding through holes 22 that wear two stage clips 6 that are provided with of base 1, the end face center of counterdie 2 is provided with a die cavity 23, is provided with a slide opening 24 that is used for wearing guide rod 4 in the bilateral symmetry of die cavity 23.
As Figure 10, shown in Figure 11, patrix 3 of the present utility model comprises taking over a business 31, take over a business 31 bottom center and be fixedly connected with a support column 32, support column 32 bottoms are fixedly connected with a terminal pad 33, terminal pad 33 end face both sides are provided with the locating hole 34 of slide opening 24 corresponding fixedly connected two guide rods 4 of a pair of and counterdie 2, be symmetrically arranged with a fixing hole 35 that connects two fixed legs 5 on the terminal pad 33, be fixedly connected with a pressuring shaft 36 that is used for pressing coal in the bottom center of terminal pad 33.
In above-described embodiment, guide rod 4 is provided with a pillow block 41 for fixedly connected terminal pad 33, also is provided with one on the fixed leg 5 for the pillow block 51 that connects terminal pad 33.
In above-described embodiment, for guaranteeing vertically applying of power in the extrusion forming process, adopt two guide pillars to be connected patrix and counterdie.
In above-described embodiment, avoid that separating out of moisture causes getting rusty of part in the coal sample forming process, all adopt stainless steels to be processed into the pressuring shaft 36 of guide pillar 4, base 1, counterdie 2 and patrix 3.
In above-described embodiment, from security consideration, the wall thickness of base 1 is set to 80mm.
In above-described embodiment, hydraulic press molding pressure 196KN, pressure-speed 50N/s, the time set that keep-ups pressure are 4～5h, each mould coal dust adds Weight control at 260g.
As shown in Figure 1 and Figure 2, the utility model using method may further comprise the steps:
1) the coal dust grinding screen is divided into＜200 order coal dusts earlier, with coal dust and a small amount of pure water and even, need add any binding agent;
2) screwed hole 21 of base 1 by step through-hole 14 and counterdie 2 is connected as a single entity by bolting after, to be placed on the hydraulic press table top together with base 1 and the counterdie 2 of one again, two stage clips 6 are inserted in respectively in the two through hole 22 of counterdie 2, stage clip 6 bottoms are seated on base 1 dimple 13;
3) pillow block 41 with two guide rods 4 is fastenedly connected respectively in two locating holes 34 of patrix 3 terminal pads 33 (as shown in figure 12), and the pillow block 51 with two fixed legs 5 is fastenedly connected respectively in two fixing holes 35 of patrix 3 terminal pads 33 (as shown in figure 13) again;
4) the patrix 3 difference correspondences that will be connected with two guide rods 4 are inserted in the slideway 24 of counterdie 2, and two fixed legs 5 that will connect simultaneously correspondence respectively are inserted in each stage clip 6, and inserted block 16 are plugged in the groove 12 of base 1;
5) top of 260g coal dust from counterdie 2 pushed the die cavity 23, be 196KN with hydraulic press molding pressure, pressure-speed is set at 50N/s, pressure hold time is set at 4～5h, open hydraulic press, the downward roof pressure patrix 3 of the output of hydraulic press take over a business 31, take over a business 31 and pressure is passed to pressuring shaft 36 by support column 32 make the coal sample that is placed in the die cavity 23 be pressed into the cylinder that coal column length is 100 ± 4mm.
6) when reaching the hydraulic press setting value, it is the hydraulic press output to be risen behind 4～5h that hydraulic press keeps setting-up time according to the pressure of setting, the stage clip 6 that is arranged between counterdie 2 and the patrix 3 is upspring naturally, drive to move on the patrix 3 and reset, by pull bar 15 inserted block 16 is outwards pulled out, in groove 12, take out the moulding coal sample, namely finish coal core high-pressure molding.
The various embodiments described above only are used for explanation the utility model; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents and improvement of carrying out on the basis of technical solutions of the utility model all should do not got rid of outside protection domain of the present utility model.
Claims (4)
1. coal core high-pressure molding device is characterized in that: it comprises that a base, a counterdie, a patrix, two guide rods, two fixed legs and two stage clips form;
Described base comprises a round platform, one side of described round platform radially offers one for the groove that extracts coal sample, be useful on two dimples that support described stage clip forward and backward being symmetrical arranged of described groove, described round platform is provided with four step through-holes that are used for connecting by bolt counterdie, sliding in described groove, it is one corresponding with described groove shape to be inserted with, and has the inserted block of pull handle;
Described counterdie bottom surface is provided with four screwed holes with the corresponding connection of step through-hole of described base, on the described counterdie with the corresponding through hole that wears two described stage clips that is provided with of dimple of described base, the end face center of described counterdie is provided with a die cavity, is provided with a slide opening that is used for wearing guide rod in the bilateral symmetry of described die cavity;
Described patrix comprises taking over a business, the described bottom center of taking over a business is fixedly connected with a support column, described support column bottom is fixedly connected with a terminal pad, described terminal pad end face both sides are provided with the locating hole of the corresponding fixedly connected two described guide rods of a pair of slide opening with described counterdie, be symmetrically arranged with a fixing hole that connects two described fixed legs on the described terminal pad end face, be fixedly connected with a pressuring shaft that is used for pressing coal in the bottom center of described terminal pad.
2. a kind of coal core high-pressure molding device as claimed in claim 1 is characterized in that: described patrix and counterdie adopt two guide rods location to be slidingly connected.
3. a kind of coal core high-pressure molding device as claimed in claim 1, it is characterized in that: described guide pillar, base, counterdie and pressuring shaft all adopt stainless steel to be processed into.
4. as claim 1 or 2 or 3 described a kind of coal core high-pressure molding devices, it is characterized in that: the wall thickness of described base is set to 80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220719951 CN203063160U (en) | 2012-12-24 | 2012-12-24 | Coal core high-pressure forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220719951 CN203063160U (en) | 2012-12-24 | 2012-12-24 | Coal core high-pressure forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203063160U true CN203063160U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220719951 Expired - Fee Related CN203063160U (en) | 2012-12-24 | 2012-12-24 | Coal core high-pressure forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203063160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166608A (en) * | 2021-12-31 | 2022-03-11 | 西南石油大学 | Device and method for preparing double-wetting shale reservoir core |
-
2012
- 2012-12-24 CN CN 201220719951 patent/CN203063160U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166608A (en) * | 2021-12-31 | 2022-03-11 | 西南石油大学 | Device and method for preparing double-wetting shale reservoir core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20151224 |
|
| EXPY | Termination of patent right or utility model |