CN208324341U - A kind of electrically heated rod and the working cylinder with the electrically heated rod - Google Patents
A kind of electrically heated rod and the working cylinder with the electrically heated rod Download PDFInfo
- Publication number
- CN208324341U CN208324341U CN201820911886.9U CN201820911886U CN208324341U CN 208324341 U CN208324341 U CN 208324341U CN 201820911886 U CN201820911886 U CN 201820911886U CN 208324341 U CN208324341 U CN 208324341U
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- China
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- electrically heated
- guiding axis
- flange
- cylinder body
- lower cover
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Abstract
The utility model belongs to warm isostatic pressing machine technical field, discloses a kind of electrically heated rod, including heating rod ontology and the flange being socketed on the heating rod ontology；The periphery of one end of the heating rod ontology is equipped with external screw thread；The end face of the flange towards externally threaded one end offers the annular groove for accommodating sealing ring.The utility model additionally provides a kind of working cylinder with the electrically heated rod.The utility model passes through setting flange and external screw thread, to which electrically heated rod is detachably connected on lower cover, it is directly protruding into electrically heated rod in cylinder body, the intracorporal liquid of cylinder is directly heated, heating efficiency is greatly improved, and by the temperature of control electrically heated rod, the temperature of liquid in cylinder body can be directly controlled, temperature controlled precision is greatly improved, to improve product quality.
Description
Technical field
The utility model belongs to warm isostatic pressing machine technical field, and in particular to a kind of electrically heated rod and has the electric heating
The working cylinder of stick.
Background technique
Isostatic pressing machine is the molding equipment to work under superelevation pressure condition.Isostatic pressing is that processed object is placed
In a kind of specific mold, then the mold equipped with workpiece is put into the closed container for filling with liquid, gradually by pressure charging system
Pressurization, by liquid pressure transmission, so that each surface of object receives equal pressure, and under mold limitation, molding mistake
Journey.In compression process, the intermolecular distance of workpiece is to reduce, and density increases, so that downtrodden article is physical
Matter or even chemical property change.In magnetic material, ceramics, hard alloy, high-temperature refractory, rare earth permanent magnet, carbon material
The industries such as material and rare metal powder are used widely.
Unlike cold isostatic press, warm isostatic pressing machine is that high-pressure carries out dusty material at a certain temperature
Densification preferably eliminates the micropore of powder, obtains consistency more better than cold isostatic press and physical property.Temperature etc. is quiet
Press is mainly made of host system, pressure charging system, depressurized system, heating fill-drain syctem and control system etc..Warm isostatic pressing machine
When work, before product compacting, working cylinder is preheated: will be conveyed by the liquid of heating system heats using pump
It in working cylinder, is kept for certain time, so that absorbing the heat of liquid in cylinder, then liquid is drawn back in heating fill-drain syctem and is added
Heat, it is repeated multiple times, so that cylinder body preheating is uniform.The mode of existing this warm operation cylinder is due to being added in the outside of working cylinder
The liquid of heating is pumped into working cylinder by hot liquid again, and on the one hand due to the thermal loss of heat transfer process, heating time is long, is added
The thermal efficiency is low；On the other hand since the liquid temperature in working cylinder can only be controlled by the heating of the heating system outside control
Degree, therefore the control precision of temperature is low.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim be to provide a kind of electrically heated rod and
Working cylinder with the electrically heated rod.The utility model is by setting flange and external screw thread, thus removably by electrically heated rod
It is connected on lower cover, is directly protruding into electrically heated rod in cylinder body, the intracorporal liquid of cylinder is directly heated, greatly improve
Heating efficiency, and by the temperature of control electrically heated rod, it the temperature of the intracorporal liquid of cylinder can be directly controlled, greatly mentions
High temperature controlled precision, to improve product quality.
The technology employed by the present utility model is
A kind of electrically heated rod, including heating rod ontology and the flange being socketed on the heating rod ontology；The heating rod
The periphery of one end of ontology is equipped with external screw thread, is provided with heating wire in heating rod ontology；The flange is towards externally threaded
The end face of one end offers the annular groove for accommodating sealing ring.
Further, the heating rod ontology includes the sequentially connected first perpendicular section, crosspiece and the second perpendicular section；First perpendicular section
One end and one end of the second perpendicular section be integrally formed respectively with the both ends of crosspiece, the other end of the first perpendicular section is to far from the second perpendicular section
Direction extend, the other end of the second perpendicular section extends to the direction far from the first perpendicular section；The external screw thread is arranged in the first perpendicular section
One end far from crosspiece, the flange are socketed in the first perpendicular section close to one end of crosspiece.
Further, the described first perpendicular section is parallel with the second perpendicular section, and perpendicular with crosspiece.
Further, the heating rod ontology cold drawing molding.
A kind of working cylinder, including any of the above-described kind of electrically heated rod.
Further, the working cylinder further includes cylinder body, muff, upper end cover, lower cover, guiding axis, bushing and driving
Device；The cylinder body is hollow and both ends open；The muff covers outside the cylinder body；The upper end cover and lower cover seal respectively
It covers at the both ends open of the cylinder body；One end of the electrically heated rod is fixed on lower cover by flange and external screw thread, separately
One end is protruded into cylinder body；Sealing ring is provided between the flange and lower cover, sealing ring is arranged in a ring groove；The bushing
It is fixedly connected with the muff, the inner wall of bushing is equipped with track groove；The track groove includes sequentially connected straightway and spiral shell
Section is revolved, straightway is parallel to the central axes of bushing；The guiding axis is threaded through in bushing, is fixed with pin on the periphery of guiding axis
Nail；The pin is arranged in the track groove；The top of guiding axis is fixedly connected with the upper end cover, the bottom end of guiding axis with
The driving end of the driving device is fixedly connected；Driving device is fixed on the outer wall of muff, drives the guiding axis or more
Sliding.
Further, the working cylinder further includes cylinder body, muff, upper end cover, lower cover, guiding axis, bushing and driving
Device；The cylinder body is hollow and both ends open；The muff covers outside the cylinder body；The upper end cover and lower cover seal respectively
It covers at the both ends open of the cylinder body；One end of the electrically heated rod is fixed on lower cover by flange and external screw thread, separately
One end is protruded into cylinder body；Sealing ring is provided between the flange and lower cover, sealing ring is arranged in a ring groove；The bushing
It is fixedly connected with the muff, the inner wall of bushing is fixed with pin；The guiding axis is threaded through in bushing, the outer circle of guiding axis
Track groove is offered on face；The track groove includes sequentially connected straightway and spiral section, and straightway is parallel to guiding axis
Central axes；The pin is arranged in the track groove；The top of guiding axis is fixedly connected with the upper end cover, the bottom of guiding axis
End is fixedly connected with the driving end of the driving device；Driving device is fixed on the outer wall of muff, drives the guiding axis
It slides up and down.
Further, ceramic wafer is fixedly connected on the bottom face of the upper end cover and the top end face of lower cover.
Further, the working cylinder further includes guide rod and Rectangular Spring；It is convexly equipped on the periphery of the lower cover
Ring flange；The guide rod is threaded through on the ring flange, and one of one end of guide rod and both muff and cylinder body are solid
Fixed connection, the other end are threaded with nut；The both ends of Rectangular Spring are born against on the ring flange and nut.
Further, the working cylinder further includes high pressure thermal resistance；The high pressure thermal resistance is fixedly connected with lower cover.
The utility model has the following beneficial effects:
The utility model is by setting flange and external screw thread, so that electrically heated rod is detachably connected on lower cover,
It is directly protruding into electrically heated rod in cylinder body, the intracorporal liquid of cylinder is directly heated, heating efficiency is greatly improved, and
By controlling the temperature of electrically heated rod, the temperature of the intracorporal liquid of cylinder can be directly controlled, is greatly improved temperature controlled
Precision, to improve product quality；Secondly, sealing ring is installed in a ring groove by setting annular groove, to realize that electricity adds
Sealing between hot pin and lower cover；Also, by the way that sequentially connected first perpendicular section, crosspiece and the second perpendicular section is arranged, convenient
While electrically heated rod is installed, the space that cylinder interior places workpiece is increased.
The utility model is by setting bushing, guiding axis, pin, track groove and driving device, in the bottom surface of upper end cover
Higher than cylinder body top surface when rotate automatically, so as to shorten the distance for promoting upper end cover, improve production efficiency, and make operator
Member does not operate in the underface of upper end cover, to improve safety；Secondly, by setting ring flange, guide rod and Rectangular Spring,
In the intracorporal pressure rise of cylinder, lower cover compression Rectangular Spring is slid down against in the rack of warm isostatic pressing machine, thus
Rack is set to bear the axial force that cylinder body internal cause high pressure generates.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of electrically heated rod of the utility model；
Fig. 2 is a kind of structural schematic diagram of working cylinder of the utility model；
Fig. 3 be in Fig. 2 A to partial view；
Fig. 4 is B area enlarged structure schematic diagram in Fig. 2.
In figure: 1- heating rod ontology；1a- external screw thread；2- flange；2a- annular groove；3- upper end cover；4- bushing；4a- straight line
Section；4b- spiral section；5- cylinder body；6- muff；7- guiding axis；7a- pin；8- driving device；9- Rectangular Spring；10- guiding
Bar；11- potsherd；12- high pressure thermal resistance；13- lower cover.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
Embodiment 1:
As shown in Figs 1-4, the present embodiment provides a kind of electrically heated rod, including heating rod ontology 1 and it is socketed in the heating
Flange 2 on stick ontology 1；The periphery of one end of the heating rod ontology 1 is equipped with external screw thread 1a, sets in heating rod ontology 1
It is equipped with heating wire；The end face of the one end of the flange 2 towards external screw thread 1a offers the annular groove 2a for accommodating sealing ring.
By setting flange 2 and external screw thread, when this electrically heated rod being made to can be good at being fixed on lower cover 13, facilitate this
Electrically heated rod directly heats the liquid in cylinder body 5.Simultaneously by the way that annular groove 2a is arranged on flange 2, thus convenient solid
Determine sealing ring, guarantees the leakproofness between this electrically heated rod and lower cover 13.Can by opened up on lower cover 13 with it is described
The threaded hole or the modes such as set connected nut realize this electrically heated rod and lower cover on external screw thread 1a that external screw thread 1a is threadedly engaged
Being fixedly connected between 13.Due to directly opening up threaded hole on lower cover 13, when tightening heating rod ontology 1, annular groove 2a
Interior sealing ring also can and then rub with lower cover 13 in rotation, be easily damaged sealing ring, for this purpose, in the present embodiment, such as Fig. 4 institute
Show, be threaded with nut on external screw thread 1a, the connection of this electrically heated rod is realized by flange 2 and nut.
Heating rod ontology 1 includes the heating wire of shell and setting inside the shell；It is provided between outer casing inner wall and heating wire
Magnesia powder.In order to make electrically heated rod under the high pressure in cylinder body 5, service life extends, in the present embodiment, the heating rod sheet
The shell of body 1 is by 316L stainless steel cold drawing molding.
If heating rod ontology 1 is in " 1 " font, it is contemplated that in the case where the operating spaces such as spanner space, then heating rod
Ontology 1 can be far from the inner wall of cylinder body 5, to reduce the space for placing workpiece inside cylinder body 5, there are space wastes.For this purpose, this
In embodiment, as shown in Figure 1, the heating rod ontology 1 includes the sequentially connected first perpendicular section, crosspiece and the second perpendicular section；First
One end of perpendicular section and one end of the second perpendicular section are integrally formed with the both ends of crosspiece respectively, and the other end of the first perpendicular section is to far from second
The direction of perpendicular section extends, and the other end of the second perpendicular section extends to the direction far from the first perpendicular section；External screw thread 1a setting is the
One one end of perpendicular section far from crosspiece, the flange 2 are socketed in the first perpendicular section close to one end of crosspiece.Also, the first perpendicular section
It is parallel with the second perpendicular section and perpendicular with crosspiece.Therefore after heating rod ontology 1 is fixed, the second perpendicular section can be close to cylinder body 5
Inner wall, to reduce space waste.
Embodiment 2:
As shown in Figs 1-4, the present embodiment provides a kind of working cylinders, including the electrically heated rod in embodiment 1.
Due to existing temperature isostatic pressing machine, opens upper end cover 3 and mainly promoted upper end cover 3 to certain by hoisting mechanism
Highly, upper end cover 3 is made not interfere operator to operate, but this mode on the one hand need for upper end cover 3 to be promoted to it is very high
Highly, increase the time for promoting upper end cover 3；On the other hand, it is operated due to operator in the underface of upper end cover 3, is easy hair
It is raw dangerous.For this purpose, as in Figure 2-4, the working cylinder further includes cylinder body 5, muff 6, upper end cover 3, lower end in the present embodiment
Lid 13, guiding axis 7, bushing 4 and driving device 8；The cylinder body 5 is hollow and both ends open；6 sets of the muff is in the cylinder body
Outside 5；The upper end cover 3 and lower cover 13 are sealed at the both ends open of the cylinder body 5；One end of the electrically heated rod is logical
It crosses flange 2 and external screw thread 1a is fixed on lower cover 13, the other end protrudes into cylinder body 5；It is set between the flange 2 and lower cover 13
It is equipped with sealing ring, sealing ring is arranged in annular groove 2a；The bushing 4 is fixedly connected with the muff 6, the inner wall of bushing 4
Equipped with track groove；The track groove includes sequentially connected straightway 4a and spiral section 4b, and straightway 4a is parallel in bushing 4
Axis；The guiding axis 7 is threaded through in bushing 4, and pin 7a is fixed on the periphery of guiding axis 7；The pin 7a setting exists
In the track groove；It is readily apparent that being also possible to open up the track groove on the periphery of guiding axis 7, in bushing 4
Inner wall is fixedly connected with the pin 7a；The top of guiding axis 7 is fixedly connected with the upper end cover 3, the bottom end of guiding axis 7 with it is described
The driving end of driving device 8 is fixedly connected；Driving device 8 is fixed on the outer wall of muff 6, drives about 7 guiding axis
Sliding.Driving device 8 can be realized using existing straight-line mechanism, such as cylinder, oil cylinder or electric cylinders etc., in the present embodiment, be driven
Dynamic device 8 realizes that the cylinder body of oil cylinder is fixed on muff 6 using oil cylinder, and it is remote that the piston rod of oil cylinder is fixedly connected on guiding axis 7
One end from upper end cover 3.
When needing to open upper end cover 3, driving device 8 pushes guiding axis 7 to move upwards, and the pin 7a on guiding axis 7 can edge
The track movement of track groove, therefore when the bottom surface of upper end cover 3 is higher than the top surface of cylinder body 5, upper end cover 3 can in guiding axis 7
Drive lower automatic rotation.On the one hand on the other hand reducing the hoisting depth of upper end cover 3 makes operator will not be in upper end cover 3
Underface operation, promoted safety.
Embodiment 3:
Since muff 6 only covers outside the excircle of cylinder body 5, the partial heat in cylinder body 5 can be from upper end cover 3
It is distributed at lower cover 13, leads to thermal loss, therefore, as shown in Figures 2 and 4, in the present embodiment, in the base of embodiment 2
On plinth, ceramic wafer 11 is fixedly connected on the bottom face of the upper end cover 3 and the top end face of lower cover 13.Pass through ceramic wafer
11 is heat-insulated, so that the heat in cylinder body 5 be avoided to be diffused into the outside of cylinder body 5 from upper end cover 3 and lower cover 13, improves this work
The heat insulation effect of cylinder.
Embodiment 4:
In the present embodiment, in order to make in the axial force transmission to the rack of warm isostatic pressing machine generated by the high pressure in cylinder body 5,
On the basis of embodiment 2 or 3, as shown in figure 4, the working cylinder further includes guide rod 10 and Rectangular Spring 9；The lower cover
Ring flange is convexly equipped on 13 periphery；The guide rod 10 is threaded through on the ring flange, one end of guide rod 10 and heat preservation
It covers one of both 6 and cylinder body 5 to be fixedly connected, the other end is threaded with nut；The both ends of Rectangular Spring 9 are born against
On the ring flange and nut.
Embodiment 5:
In order to further increase the temperature control precision of liquid in cylinder body 5, in the present embodiment, in embodiment 2 or 3 or 4
On the basis of, as shown in figure 4, the working cylinder further includes high pressure thermal resistance 12；The high pressure thermal resistance 12 and lower cover 13 are fixed
Connection.By the way that high pressure thermal resistance 12 is arranged, the temperature of liquid in cylinder body 5 can be monitored in real time, the inspection according to high pressure thermal resistance 12
Measured value controls the heating power of electrically heated rod, forms closed-loop control, improves temperature control precision.
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, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (10)
1. a kind of electrically heated rod, it is characterised in that: including heating rod ontology (1) and be socketed on the heating rod ontology (1)
Flange (2)；The periphery of one end of the heating rod ontology (1) is equipped with external screw thread (1a), is provided in heating rod ontology (1)
Heating wire；The end face of the one end of the flange (2) towards external screw thread (1a) offers the annular groove (2a) for accommodating sealing ring.
2. a kind of electrically heated rod according to claim 1, it is characterised in that: the heating rod ontology (1) includes successively connecting
The perpendicular section of first connect, crosspiece and the second perpendicular section；One end of first perpendicular section and one end of the second perpendicular section respectively with the both ends of crosspiece one
Body formed, the other end of the first perpendicular section extends to the direction far from the second perpendicular section, and the other end of the second perpendicular section is erected to far from first
The direction of section extends；First one end of perpendicular section far from crosspiece is arranged in the external screw thread (1a), and the flange (2) is socketed in first
Section is erected close to one end of crosspiece.
3. a kind of electrically heated rod according to claim 2, it is characterised in that: the first perpendicular section is equal with the second perpendicular section
Row, and it is perpendicular with crosspiece.
4. a kind of electrically heated rod according to claim 1 to 3, it is characterised in that: heating rod ontology (1) cold drawing
Molding.
5. a kind of working cylinder, it is characterised in that: including electrically heated rod as claimed in claim 4.
6. a kind of working cylinder according to claim 5, it is characterised in that: the working cylinder further includes cylinder body (5), muff
(6), upper end cover (3), lower cover (13), guiding axis (7), bushing (4) and driving device (8)；The cylinder body (5) is hollow and both ends
Opening；The muff (6) cover the cylinder body (5) outside；The upper end cover (3) and lower cover (13) are sealed in the cylinder
At the both ends open of body (5)；One end of the electrically heated rod is fixed on lower cover (13) by flange (2) and external screw thread (1a)
On, the other end protrudes into cylinder body (5)；Sealing ring is provided between the flange (2) and lower cover (13), sealing ring is arranged in ring
In shape slot (2a)；The bushing (4) is fixedly connected with the muff (6), and the inner wall of bushing (4) is equipped with track groove；The rail
Mark slot includes sequentially connected straightway (4a) and spiral section (4b), and straightway (4a) is parallel to the central axes of bushing (4)；It is described
Guiding axis (7) is threaded through in bushing (4), and pin (7a) is fixed on the periphery of guiding axis (7)；Pin (7a) setting exists
In the track groove；The top of guiding axis (7) is fixedly connected with the upper end cover (3), the bottom end of guiding axis (7) and the driving
The driving end of device (8) is fixedly connected；Driving device (8) is fixed on the outer wall of muff (6), drives the guiding axis (7)
It slides up and down.
7. a kind of working cylinder according to claim 5, it is characterised in that: the working cylinder further includes cylinder body (5), muff
(6), upper end cover (3), lower cover (13), guiding axis (7), bushing (4) and driving device (8)；The cylinder body (5) is hollow and both ends
Opening；The muff (6) cover the cylinder body (5) outside；The upper end cover (3) and lower cover (13) are sealed in the cylinder
At the both ends open of body (5)；One end of the electrically heated rod is fixed on lower cover (13) by flange (2) and external screw thread (1a)
On, the other end protrudes into cylinder body (5)；Sealing ring is provided between the flange (2) and lower cover (13), sealing ring is arranged in ring
In shape slot (2a)；The bushing (4) is fixedly connected with the muff (6), and the inner wall of bushing (4) is fixed with pin (7a)；Institute
It states guiding axis (7) to be threaded through in bushing (4), offers track groove on the periphery of guiding axis (7)；The track groove includes successively
The straightway (4a) and spiral section (4b) of connection, straightway (4a) are parallel to the central axes of guiding axis (7)；The pin (7a) sets
It sets in the track groove；The top of guiding axis (7) is fixedly connected with the upper end cover (3), the bottom end of guiding axis (7) with it is described
The driving end of driving device (8) is fixedly connected；Driving device (8) is fixed on the outer wall of muff (6), drives the guiding axis
(7) it slides up and down.
8. a kind of working cylinder according to claim 6 or 7, it is characterised in that: the bottom face of the upper end cover (3) and under
Ceramic wafer (11) are fixedly connected on the top end face of end cap (13).
9. a kind of working cylinder according to claim 6 or 7, it is characterised in that: the working cylinder further includes guide rod (10)
With Rectangular Spring (9)；Ring flange is convexly equipped on the periphery of the lower cover (13)；The guide rod (10) is threaded through the method
On blue disk, one end of guide rod (10) is fixedly connected with one of muff (6) and cylinder body (5) the two, and other end screw thread connects
It is connected to nut；The both ends of Rectangular Spring (9) are born against on the ring flange and nut.
10. a kind of working cylinder according to claim 6 or 7, it is characterised in that: the working cylinder further includes high pressure thermal resistance
(12)；The high pressure thermal resistance (12) is fixedly connected with lower cover (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820911886.9U CN208324341U (en) | 2018-06-12 | 2018-06-12 | A kind of electrically heated rod and the working cylinder with the electrically heated rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820911886.9U CN208324341U (en) | 2018-06-12 | 2018-06-12 | A kind of electrically heated rod and the working cylinder with the electrically heated rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208324341U true CN208324341U (en) | 2019-01-04 |
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ID=64770593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820911886.9U Active CN208324341U (en) | 2018-06-12 | 2018-06-12 | A kind of electrically heated rod and the working cylinder with the electrically heated rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208324341U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117067665A (en) * | 2023-09-18 | 2023-11-17 | 浙江德龙科技有限公司 | Temperature isostatic pressing machine |
| CN117345729A (en) * | 2023-12-04 | 2024-01-05 | 四川力能超高压设备有限公司 | Cylinder body and warm isostatic pressing machine |
-
2018
- 2018-06-12 CN CN201820911886.9U patent/CN208324341U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117067665A (en) * | 2023-09-18 | 2023-11-17 | 浙江德龙科技有限公司 | Temperature isostatic pressing machine |
| CN117067665B (en) * | 2023-09-18 | 2024-03-15 | 浙江德龙科技有限公司 | Temperature isostatic pressing machine |
| CN117345729A (en) * | 2023-12-04 | 2024-01-05 | 四川力能超高压设备有限公司 | Cylinder body and warm isostatic pressing machine |
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