CN208060079U - A kind of pressure-detecting device of isostatic pressing machine - Google Patents
A kind of pressure-detecting device of isostatic pressing machine Download PDFInfo
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- CN208060079U CN208060079U CN201820680905.1U CN201820680905U CN208060079U CN 208060079 U CN208060079 U CN 208060079U CN 201820680905 U CN201820680905 U CN 201820680905U CN 208060079 U CN208060079 U CN 208060079U
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- pressure
- isostatic pressing
- pressing machine
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- working chamber
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Abstract
The utility model belongs to isostatic pressing machine technical field, discloses a kind of pressure-detecting device of fluid pressure in the working chamber that can detect isostatic pressing machine, including TCH test channel, adapter assembly, relief valve and pressure gauge；TCH test channel is arranged in working cylinder to be measured and is connected to the working chamber in working cylinder；TCH test channel includes instrument connection and is arranged connection screw thread hole in the one end of instrument connection far from working chamber；The one end of instrument connection far from working chamber is equipped with the first taper surface；Adapter assembly includes locking nut, connecting tube and fittings body；The threaded one end of locking nut is connected in connection screw thread hole；One end of connecting tube is equipped with the second taper surface being adapted to the first taper surface, and the other end of connecting tube and the entrance of relief valve connect；Fittings body is threaded in the one end of connecting tube close to instrument connection, and the one end of fittings body far from instrument connection is resisted against on locking nut；Pressure gauge is connected in connecting tube.
Description
Technical field
The utility model belongs to isostatic pressing machine technical field, and in particular to a kind of pressure-detecting device of isostatic pressing machine.
Background technology
Isostatic pressing is that processed object is placed in a kind of specific mold of the pressure-detecting device of isostatic pressing machine,
The mold equipped with workpiece is put into the working cylinder for filling with liquid again, working cylinder is goed deep by the piston rod band dynamic head of pressurized cylinder
In working chamber gradually pressurize, pass through liquid pressure transmission so that each surface of object receives equal pressure, and is limited in mold
The lower molding of system.Existing isostatic pressing machine mainly according to the pressure of liquid in the cylinder diameter evaluation work chamber of oil pressure and pressurized cylinder, due to
With the increase of the operating pressure in working chamber, the frictional force of pressure head and liquid in working chamber also will increase, so as to cause calculating
The pressure of the liquid gone out and the pressure of actual liquid are quite different, and there is no in detection working chamber in existing isostatic pressing machine
The device of fluid pressure.
Utility model content
In order to solve the above problem of the existing technology, the utility model aim be to provide one kind can detect etc. it is quiet
The pressure-detecting device of fluid pressure in the working chamber of press.
Technical solution used by the utility model is：
A kind of pressure-detecting device of isostatic pressing machine, including TCH test channel, adapter assembly, relief valve and pressure gauge；It is described
TCH test channel is arranged in working cylinder to be measured and is connected to the working chamber in working cylinder；TCH test channel includes instrument connection and sets
Set the connection screw thread hole in the one end of instrument connection far from working chamber；The one end of instrument connection far from working chamber is equipped with the first taper surface；
The adapter assembly includes locking nut, connecting tube and fittings body；The threaded one end of locking nut is connected to described
In connection screw thread hole；One end of connecting tube is equipped with the second taper surface being adapted to first taper surface, the other end of connecting tube
It is connect with the entrance of the relief valve；Fittings body is threaded in the one end of connecting tube close to instrument connection, and fittings body is far from test
The one end in hole is resisted against on the locking nut；Pressure gauge is connected in the connecting tube.
Further, the working cylinder includes cylinder body, block head and sealing ring；The end face of one end of cylinder body offers perforation
Hole；Block head is blocked in one end of the through hole；Block head and the through hole form the working chamber；Sealing ring setting exists
Between the block head and the working chamber；TCH test channel is arranged in the block head.
Further, the block head is equipped with baffle close to one end of working chamber；It is respectively equipped with connecting hole on the baffle
With the leak for being connected to the TCH test channel；One of both described baffle and the block head are equipped with and are set in the sealing ring
Interior support end；The thickness of support end is less than the thickness of sealing ring；Screw is equipped in the connecting hole；The block head is equipped with
The threaded hole being connect with the screw thread.
Further, the block head is equipped with the relief hole for being connected to the instrument connection.
Further, the working cylinder further includes the connection end cap being connected to the cylinder body on isostatic pressing machine；The company
The one end for connecing end cap is respectively equipped with the first positioning spigot being located by connecting with the block head and is located by connecting with the cylinder body
The second positioning spigot, the other end of connection end cap is equipped with the third positioning spigot being located by connecting with the isostatic pressing machine；Connection
End cap is equipped with the avoid holes for avoiding the adapter assembly；Connection end cap is detachably connected with the cylinder body.
Further, it is connected with pressure sensor in the connecting tube.
Further, the locking nut is equipped with the mounting hole with the receiving fittings body close to one end of instrument connection.
The beneficial effects of the utility model are：
The utility model realizes the reality of detection work intracavity liquid by the way that TCH test channel, adapter assembly and pressure gauge is arranged
Pressure provides important evidence for the type selection calculation of pressurized cylinder, while can monitor the actual pressure of work intracavity liquid in real time；
Secondly, pressure release is carried out to working chamber by the way that relief valve is arranged, it is safer；Also, it is close by the way that baffle and support end extruding is arranged
Seal keeps the sealing between working chamber and block head relatively reliable, while facilitating installation.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the pressure-detecting device of isostatic pressing machine of the utility model；
Fig. 2 is a-quadrant enlarged structure schematic diagram in Fig. 1；
Fig. 3 is a kind of structural schematic diagram of the pressure-detecting device center tap component of isostatic pressing machine shown in FIG. 1；
Fig. 4 is a kind of structural schematic diagram of the pressure-detecting device kind block head of isostatic pressing machine shown in FIG. 1；
Fig. 5 be a kind of isostatic pressing machine shown in FIG. 1 pressure-detecting device in connection end cap structural schematic diagram；
In figure：1- cylinder bodies；1a- working chambers；2- connection end caps；The first positioning spigots of 2a-；2b- third positioning spigots；2c-
Avoid holes；The second positioning spigots of 2d-；3- pressure gauges；4- pressure sensors；5- relief valves；6- baffles；6a- leak；7- is sealed
Circle；8- block heads；8a- instrument connections；8b- relief holes；8c- connection screw thread holes；The first taper surfaces of 8d-；8e- support ends；9- is locked
Nut；10- connecting tubes；The second taper surfaces of 10a-；11- fittings bodies.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is further elaborated the utility model.
As shown in Figs. 1-5, the pressure-detecting device of a kind of isostatic pressing machine of the present embodiment, including TCH test channel, connector group
Part, relief valve 5 and pressure gauge 3；The TCH test channel is arranged in working cylinder to be measured and connects with the working chamber 1a in working cylinder
It is logical；TCH test channel includes instrument connection 8a and is arranged connection screw thread hole 8c in the one end of instrument connection 8a far from working chamber 1a；It surveys
The one end of prospect hole 8a far from working chamber 1a is equipped with the first taper surface 8d；
The adapter assembly includes locking nut 9, connecting tube 10 and fittings body 11；The threaded one end of locking nut 9 connects
In the connection screw thread hole 8c；One end of connecting tube 10 is equipped with the second taper surface 10a being adapted to the first taper surface 8d,
The other end of connecting tube 10 is connect with the entrance of the relief valve 5；Fittings body 11 is threaded in connecting tube 10 close to instrument connection
One end of 8a, the one end of fittings body 11 far from instrument connection 8a are resisted against on the locking nut 9；Pressure gauge 3 is connected to the company
On take over 10.If connecting tube 10 is directly integrally formed connection or is fixedly connected with locking nut 9, in rotation locking screw
When mother 9, on the one hand, connecting tube 10 can rotate, it has not been convenient to install；On the other hand, the second taper surface 10a in connecting tube 10 can be with
First taper surface 8d frictions, to destroy the sealing between connecting tube 10 and instrument connection 8a, cause danger.Therefore, the present embodiment
In, connecting tube 10 and locking nut 9 are made separate structure can avoid the above problem well.Preferably, in the present embodiment,
In order to prevent when dismounting joint component, the highly pressurised liquid in working chamber 1a, which is directly gone out from connection screw thread hole 8c, causes danger, this
In embodiment, as shown in figure 4, the block head 8 is equipped with the relief hole 8b for being connected to the instrument connection 8a.To in dismounting joint
When component, the highly pressurised liquid in working chamber 1a is released from relief hole 8b.In order to reduce the volume of adapter assembly, in the present embodiment,
As shown in figure 3, the locking nut 9 is equipped with and the mounting hole that accommodates the fittings body 11 close to one end of instrument connection 8a.
In the present embodiment, in order to reduce the difficulty of processing of working cylinder, the working cylinder includes cylinder body 1, block head 8 and sealing
Circle 7；The end face of one end of cylinder body 1 offers through hole；Block head 8 is blocked in one end of the through hole；Block head 8 and described
Through hole forms the working chamber 1a；Sealing ring 7 is arranged between the block head 8 and the working chamber 1a；TCH test channel is set
It sets in the block head 8.Preferably, in the present embodiment, in order to facilitate the installation and replacement of sealing ring 7, as shown in Figs. 1-2,
The block head 8 is equipped with baffle 6 close to one end of working chamber 1a；It is respectively equipped with connecting hole on the baffle 6 and is connected to the survey
The leak 6a pinged；One of both described baffle 6 and the block head 8 are equipped with the branch being set in the sealing ring 7
Support end 8e；The thickness of support end 8e is less than the thickness of sealing ring 7；Screw is equipped in the connecting hole；The block head 8 is equipped with
The threaded hole being connect with the screw thread.In the present embodiment, as shown in Fig. 2, outer diameter when 7 non-tight state of sealing ring is smaller
In the internal diameter of working chamber 1a, to facilitate sealing ring 7 to enter working chamber 1a, and will not when sealing ring 7 enters working chamber 1a
Rolling torsion, improves the service life of sealing ring 7, by tightening the screw on baffle 6, baffle 6 is made to be moved to block head 8, from
And crush seal circle 7, so that sealing ring 7 is close to block head 8 and working chamber 1a, realizes sealing.It should be noted that working as support end 8e
It is arranged when on baffle 6, connecting hole runs through baffle 6 and support end 8e；When support end 8e is fixed on block head 8, spiral shell
Pit is arranged on support end 8e.In the present embodiment, connected as shown in figure 4, support end 8e is integrally formed with block head 8；Screw thread
Hole is arranged on support end 8e.
It in the present embodiment, is positioned on isostatic pressing machine in order to facilitate cylinder body 1, as described in figures 1 and 5, the working cylinder also wraps
Include the connection end cap 2 cylinder body 1 being connected on isostatic pressing machine；One end of the connection end cap 2 is respectively equipped with and the envelope
The the first positioning spigot 2a being located by connecting of plug 8 and the second positioning spigot 2d being located by connecting with the cylinder body 1, connection end cap
2 other end is equipped with the third positioning spigot 2b being located by connecting with the isostatic pressing machine；Connection end cap 2 is equipped with described in evacuation and connects
The avoid holes 2c of head assembly；Connection end cap 2 is detachably connected with the cylinder body 1.
In the present embodiment, isostatic pressing machine is carried out automatically controlling for convenience, as shown in Figure 1, connecting in the connecting tube 10
It is connected to pressure sensor 4.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, every the utility model right that falls into is wanted
The technical solution in confining spectrum is sought, is all fallen within the scope of protection of the utility model.
Claims (7)
1. a kind of pressure-detecting device of isostatic pressing machine, it is characterised in that：Including TCH test channel, adapter assembly, relief valve (5) and
Pressure gauge (3)；The TCH test channel is arranged in working cylinder to be measured and is connected to the working chamber (1a) in working cylinder；Test is logical
Road includes the connection screw thread hole (8c) of instrument connection (8a) and setting in the one end of instrument connection (8a) far from working chamber (1a)；Test
The one end of hole (8a) far from working chamber (1a) is equipped with the first taper surface (8d)；
The adapter assembly includes locking nut (9), connecting tube (10) and fittings body (11)；The threaded one end of locking nut (9)
It is connected in the connection screw thread hole (8c)；One end of connecting tube (10) is equipped with second be adapted to first taper surface (8d)
The other end of taper surface (10a), connecting tube (10) is connect with the entrance of the relief valve (5)；Fittings body (11) is threaded in
Connecting tube (10) is resisted against the locking screw close to one end of instrument connection (8a), the one end of fittings body (11) far from instrument connection (8a)
On female (9)；Pressure gauge (3) is connected in the connecting tube (10).
2. a kind of pressure-detecting device of isostatic pressing machine according to claim 1, it is characterised in that：The working cylinder includes
Cylinder body (1), block head (8) and sealing ring (7)；The end face of one end of cylinder body (1) offers through hole；Block head (8) blocks
One end of the through hole；Block head (8) and the through hole form the working chamber (1a)；Sealing ring (7) is arranged described
Between block head (8) and the working chamber (1a)；TCH test channel setting is in the block head (8).
3. a kind of pressure-detecting device of isostatic pressing machine according to claim 2, it is characterised in that：The block head (8)
It is equipped with baffle (6) close to one end of working chamber (1a)；It is respectively equipped with connecting hole on the baffle (6) and is connected to the TCH test channel
Leak (6a)；One of both described baffle (6) and the block head (8) are equipped with and are set in the sealing ring (7)
Support end (8e)；The thickness of support end (8e) is less than the thickness of sealing ring (7)；Screw is equipped in the connecting hole；The closure
Head (8) is equipped with the threaded hole being connect with the screw thread.
4. a kind of pressure-detecting device of isostatic pressing machine according to claim 2, it is characterised in that：The block head (8)
It is equipped with the relief hole (8b) for being connected to the instrument connection (8a).
5. a kind of pressure-detecting device of isostatic pressing machine according to claim 2, it is characterised in that：The working cylinder also wraps
Include the connection end cap (2) cylinder body (1) being connected on isostatic pressing machine；One end of the connection end cap (2) be respectively equipped with
The first positioning spigot (2a) that the block head (8) is located by connecting and the second positioning being located by connecting with the cylinder body (1) stop
Mouth (2d), the other end of connection end cap (2) are equipped with the third positioning spigot (2b) being located by connecting with the isostatic pressing machine；Connecting pin
It covers (2) and is equipped with the avoid holes (2c) for avoiding the adapter assembly；Connection end cap (2) is detachably connected with the cylinder body (1).
6. a kind of pressure-detecting device of isostatic pressing machine according to claim 1, it is characterised in that：The connecting tube (10)
On be connected with pressure sensor (4).
7. a kind of pressure-detecting device of isostatic pressing machine according to claim 1, it is characterised in that：The locking nut
(9) mounting hole with the receiving fittings body (11) is equipped with close to one end of instrument connection (8a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820680905.1U CN208060079U (en) | 2018-05-08 | 2018-05-08 | A kind of pressure-detecting device of isostatic pressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820680905.1U CN208060079U (en) | 2018-05-08 | 2018-05-08 | A kind of pressure-detecting device of isostatic pressing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208060079U true CN208060079U (en) | 2018-11-06 |
Family
ID=63981888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820680905.1U Active CN208060079U (en) | 2018-05-08 | 2018-05-08 | A kind of pressure-detecting device of isostatic pressing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208060079U (en) |
-
2018
- 2018-05-08 CN CN201820680905.1U patent/CN208060079U/en active Active
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