CN107931603A - A kind of dry powder product frame type hydraulic press is taken blame for others mechanism - Google Patents
A kind of dry powder product frame type hydraulic press is taken blame for others mechanism Download PDFInfo
- Publication number
- CN107931603A CN107931603A CN201711190341.XA CN201711190341A CN107931603A CN 107931603 A CN107931603 A CN 107931603A CN 201711190341 A CN201711190341 A CN 201711190341A CN 107931603 A CN107931603 A CN 107931603A
- Authority
- CN
- China
- Prior art keywords
- cavity
- piston bar
- outer cylinder
- cylinder assembly
- adjusting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000843 powder Substances 0.000 title claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 239000007853 buffer solution Substances 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/04—Compacting only by applying fluid pressure, e.g. by cold isostatic pressing [CIP]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Press Drives And Press Lines (AREA)
Abstract
Take blame for others mechanism the present invention relates to a kind of dry powder product frame type hydraulic press, it is characterised in that：Including outer cylinder assembly, built-in cylinder assembly and regulating device；The built-in cylinder is arranged on outer cylinder assembly in regulating device；First cavity and the second cavity are set in the present invention in First piston bar, the 3rd cavity is set on low head；Built-in cylinder assembly is formed using the first cavity, the second piston bar of the built-in cylinder assembly rushes piston rod as interior；The regulating device of adjustable First piston bar is formed using the second cavity and the 3rd cavity, is capable of the initial position of in the vertical direction control First piston bar consequently facilitating adjusting the initial position of second piston bar, degree of regulation is high, easy to adjust；In addition, rushing movement of the buffer solution limitation adjusting rod in hydraulic press operation type in the 3rd cavity, the security of whole mechanism working status of taking blame for others is added.
Description
Technical field
The present invention relates to hydraulic device field, more particularly to a kind of dry powder product frame type hydraulic press is taken blame for others mechanism.
Background technology
Powder metallurgy is to produce metal or use metal dust（Or the mixture of metal dust and non-metal powder）As original
Material, passes through sintering, manufacture metal material, compound and all kinds product technique skill again after having pressure or shaping without pressure
Art.PM technique possesses the series of advantages such as significantly energy saving, material saving, excellent performance, Product Precision are high and stability is good, non-
It is very suitable for producing in enormous quantities.At present, PM technique has been widely used in traffic, machinery, electronics, aerospace, soldier
The fields such as device, biology, new energy, information and nuclear industry, become in new material science most one of branch of development vitality.With
The rapid development of domestic powder technology, many metal materials use powder compacting technology, i.e., by powder shaping press by gold
Belong to powder and be pressed into pie, then metal product is made by sintering.
A kind of hydraulic press cylinder as shown in Chinese patent CN201520907276.8, including cylinder body and plunger, plunger
Cylinder body endoporus is movably arranged at, the hypomere of cylinder body endoporus is the seal section endoporus of small diameter, and seal section endoporus, which is equipped with down, to be opened
Mouthful load plunger, seal section endoporus and plunger it is cylindrical between form sealed friction surface, it is characterised in that：Sealed friction surface is from upper past
Under set gradually dustband in cylinder, upper sealing ring, lower seal and cylinder mouth dustband, dustband is located at seal section endoporus in cylinder
Topmost, cylinder mouth dustband is located at the bottom of seal section endoporus, and dustband, upper sealing ring, lower seal and cylinder mouth are prevented in cylinder
Konisphere is buckled in seal groove, and seal groove opens up on the hole wall of seal section endoporus.
At present, powder hydraulic press in rush piston rod and can not adjust, can only be taken blame for others rough control by hydraulic press
The stroke of piston rod is inside rushed, its precision is relatively low, and for the product of some high-precision requirements, the control accuracy that hydraulic press is taken blame for others is internal
The influence for rushing the Stroke Control precision of piston rod is very big, it is therefore desirable to a kind of accurately to control the interior mechanism of taking blame for others for rushing piston rod
To realize the interior convenient adjusting for rushing piston rod and accurate adjusting.
The content of the invention
Take blame for others mechanism, can solve the technical problem to be solved in the present invention is to provide a kind of dry powder product frame type hydraulic press
The problem of general dry powder product hydraulic press mechanism degree of regulation of taking blame for others is poor, and regulative mode is complicated, easy oil leakage and poor security.
In order to solve the above technical problems, the technical scheme is that：A kind of dry powder product frame type hydraulic press is taken blame for others machine
Structure, its innovative point are：Including outer cylinder assembly, built-in cylinder assembly and regulating device；The built-in cylinder assembly and regulating device are equal
It is arranged on outer cylinder assembly；
The outer cylinder assembly includes outer cylinder sheath, First piston bar, upper cover and low head；The outer cylinder sheath is in both ends conducting cylinder
Tubular, the First piston bar are co-axially located in outer cylinder sheath and are slided along the inner wall of outer cylinder sheath, the First piston bar along
Axis direction is provided with the first cavity and the second cavity at both ends respectively, and first cavity is coaxial with the second cavity and is not turned on,
First cavity is located at the top of the second cavity；
The upper cover, which is arranged on to be provided with the top and upper cover of outer cylinder sheath, accommodates the circular hole that First piston bar passes through, described outer
Limited block is provided between cylinder sleeve and First piston bar, the limited block is fixed on the inner wall of outer cylinder sheath and is close to upper cover
Lower face；The low head is arranged on the bottom of outer cylinder sheath, on low head in the axial direction on be provided with the 3rd empty of a conducting
Chamber；
The built-in cylinder assembly is located at the outside of outer cylinder sheath, and the built-in cylinder assembly includes the first cavity, upper plug head and second is lived
Stopper rod；Fluid guidance port is provided with first cavity；The second piston bar is co-axially located in the first cavity, second piston bar
It can be slided along the inner wall of the first cavity；The end that the upper plug head is arranged on the first cavity seals the first cavity；On
It is provided with plug and accommodates the through hole that second piston bar passes through；
The regulating device includes the second cavity, the 3rd cavity, lower end cap, adjusting rod, spring, spring retainer block and capping；Institute
The one end for stating adjusting rod is coaxially stretched into the second cavity, and the other end of adjusting rod is coaxially stretched into the 3rd cavity；The bullet
Spring is located at the interior of the second cavity, and spring retainer block is fixed on the outer wall of adjusting rod, the spring retainer on the adjusting rod
Block is by spring compression on the inner wall of the second cavity；The end that the lower end cap is arranged on the second cavity is close to the progress of the second cavity
Envelope；The capping, which is arranged on the 3rd cavity of low head, seals the 3rd cavity.
Further, step surface is provided with the 3rd cavity, the adjusting rod is arranged on the end in the 3rd cavity
The step surface limitation adjusting rod for being also equipped with coordinating the 3rd cavity moves up limit.
Further, conducting in an inlet and the 3rd cavity is provided with the capping, is filled in the 3rd cavity slow
Fliud flushing.
Further, between the First piston bar and outer cylinder sheath, between limited block and First piston bar, limited block with it is outer
Between cylinder sleeve, between upper cover and First piston bar, between low head and outer cylinder sheath, between low head and adjusting rod, upper plug head
It is respectively provided between second piston bar, between upper plug head and the first cavity inner wall, between second piston bar and the first cavity inner wall
There is gasket.
Further, fixation is tightened by bolt group between the upper plug head and the first cavity；The capping and the 3rd chamber
Fixation is tightened by bolt group between body.
The advantage of the invention is that：
1）First cavity and the second cavity are set in the present invention in First piston bar, the 3rd cavity is set on low head；Profit
Built-in cylinder assembly is formed with the first cavity, the second piston bar of the built-in cylinder assembly rushes piston rod as interior；Utilize the second cavity
The regulating device of adjustable First piston bar is formed with the 3rd cavity, is capable of the initial of in the vertical direction control First piston bar
Position is consequently facilitating adjust the initial position of second piston bar, degree of regulation is high, easy to adjust；In addition, rushed in the 3rd cavity
Buffer solution limits movement of the adjusting rod in hydraulic press operation type, adds the security of whole mechanism working status of taking blame for others.
Brief description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
A kind of dry powder product frame type hydraulic press that Fig. 1 is the present invention is taken blame for others mechanism structure figure.
Embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among the embodiment described scope.
A kind of dry powder product frame type hydraulic press as shown in Figure 1 is taken blame for others mechanism：Including outer cylinder assembly 1, built-in cylinder assembly 2
With regulating device 3；The built-in cylinder assembly 2 is arranged on outer cylinder assembly 1 with regulating device 3.
Outer cylinder assembly 1 includes outer cylinder sheath 11, First piston bar 12, upper cover 13 and low head 14；The outer cylinder sheath 11 is in
Both ends turn on cylindrical tube shape, and the First piston bar 12 is co-axially located in outer cylinder sheath 11 and is slided along the inner wall of outer cylinder sheath 11,
The First piston bar 12 is provided with the first cavity 15 and the second cavity 16, first cavity along axis direction at both ends respectively
15 is coaxial with the second cavity 16 and be not turned on, and the first cavity 15 is located at the top of the second cavity 16.
Upper cover 13, which is arranged on to be provided with the top of outer cylinder sheath 11 and upper cover 13, accommodates the circle that First piston bar 12 passes through
Hole, is provided with limited block 17 between the outer cylinder sheath 11 and First piston bar 12, the limited block 17 is fixed on outer cylinder sheath 11
On inner wall and it is close to the lower face of upper cover 13；The low head 14 is arranged on the bottom of outer cylinder sheath 11, edge on low head 14
The 3rd cavity 18 of a conducting is provided with axis direction.
Built-in cylinder assembly 2 is located at the outside of outer cylinder sheath 11, and the built-in cylinder assembly 2 includes the first cavity 15, upper plug head 21
With second piston bar 22；Fluid guidance port is provided with first cavity 15；The second piston bar 22 is co-axially located at the first chamber
In body 15, second piston bar 22 can be slided along the inner wall of the first cavity 15；The upper plug head 21 is arranged on the first cavity 15
End seals the first cavity 15；It is provided with upper plug head 21 and accommodates the through hole that second piston bar 22 passes through.
Regulating device 3 includes the second cavity 16, the 3rd cavity 18, lower end cap 31, adjusting rod 32, spring 33, spring retainer
Block 34 and capping 35；One end of the adjusting rod 32 is coaxially stretched into the second cavity 16, and the other end of adjusting rod 32 is coaxially stretched
Enter in the 3rd cavity 18；The spring 33 is located at the interior of the second cavity 16, and spring retainer block 34 is fixed at adjusting rod 32
Outer wall on, spring 33 is pressed on the inner wall of the second cavity 16 by the spring retainer block 34 on the adjusting rod 32；Under described
The end that plug 31 is arranged on the second cavity 16 seals the second cavity 16；The capping 35 is arranged on the of low head 14
The 3rd cavity 18 is sealed on three cavitys 18.
Step surface is provided with 3rd cavity 18, the end that the adjusting rod 32 is arranged in the 3rd cavity 18 is also equipped with
Coordinate the step surface limitation adjusting rod 32 of the 3rd cavity 18 moves up limit.
Conducting in an inlet and the 3rd cavity 18 is provided with capping 35, the filling buffer solution in the 3rd cavity 18.
Between First piston bar 12 and outer cylinder sheath 11, between limited block 17 and First piston bar 12, limited block 17 and outer shell
Between set 11, between upper cover 13 and First piston bar 12, between low head 14 and outer cylinder sheath 11, low head 14 and adjusting rod 32
Between, between upper plug head 21 and second piston bar 22, between 21 and first cavity of upper plug head, 15 inner wall, second piston bar 22 and
Gasket is both provided between one cavity, 15 inner wall.
Fixation is tightened by bolt group between 21 and first cavity 15 of upper plug head；Between 35 and the 3rd cavity 18 of capping
Fixation is tightened by bolt group.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also have
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (5)
- The mechanism 1. a kind of dry powder product frame type hydraulic press is taken blame for others, it is characterised in that：Including outer cylinder assembly, built-in cylinder assembly and tune Regulating device；The built-in cylinder assembly is arranged on outer cylinder assembly with regulating device；The outer cylinder assembly includes outer cylinder sheath, First piston bar, upper cover and low head；The outer cylinder sheath is in both ends conducting cylinder Tubular, the First piston bar are co-axially located in outer cylinder sheath and are slided along the inner wall of outer cylinder sheath, the First piston bar along Axis direction is provided with the first cavity and the second cavity at both ends respectively, and first cavity is coaxial with the second cavity and is not turned on, First cavity is located at the top of the second cavity；The upper cover, which is arranged on to be provided with the top and upper cover of outer cylinder sheath, accommodates the circular hole that First piston bar passes through, described outer Limited block is provided between cylinder sleeve and First piston bar, the limited block is fixed on the inner wall of outer cylinder sheath and is close to upper cover Lower face；The low head is arranged on the bottom of outer cylinder sheath, on low head in the axial direction on be provided with the 3rd empty of a conducting Chamber；The built-in cylinder assembly is located at the outside of outer cylinder sheath, and the built-in cylinder assembly includes the first cavity, upper plug head and second is lived Stopper rod；Fluid guidance port is provided with first cavity；The second piston bar is co-axially located in the first cavity, second piston bar It can be slided along the inner wall of the first cavity；The end that the upper plug head is arranged on the first cavity seals the first cavity；On It is provided with plug and accommodates the through hole that second piston bar passes through；The regulating device includes the second cavity, the 3rd cavity, lower end cap, adjusting rod, spring, spring retainer block and capping；Institute The one end for stating adjusting rod is coaxially stretched into the second cavity, and the other end of adjusting rod is coaxially stretched into the 3rd cavity；The bullet Spring is located at the interior of the second cavity, and spring retainer block is fixed on the outer wall of adjusting rod, the spring retainer on the adjusting rod Block is by spring compression on the inner wall of the second cavity；The end that the lower end cap is arranged on the second cavity is close to the progress of the second cavity Envelope；The capping, which is arranged on the 3rd cavity of low head, seals the 3rd cavity.
- The mechanism 2. a kind of dry powder product frame type hydraulic press according to claim 1 is taken blame for others, it is characterised in that：Described 3rd Step surface is provided with cavity, the end that the adjusting rod is arranged in the 3rd cavity is also equipped with the step for coordinating the 3rd cavity Limitation adjusting rod in face moves up limit.
- The mechanism 3. a kind of dry powder product frame type hydraulic press according to claim 1 is taken blame for others, it is characterised in that：The capping On be provided with conducting in an inlet and the 3rd cavity, fill buffer solution in the 3rd cavity.
- The mechanism 4. a kind of dry powder product frame type hydraulic press according to claim 1 is taken blame for others, it is characterised in that：Described first Between piston rod and outer cylinder sheath, between limited block and First piston bar, between limited block and outer cylinder sheath, upper cover and first piston Between bar, between low head and outer cylinder sheath, between low head and adjusting rod, between upper plug head and second piston bar, upper plug head with Gasket is both provided between first cavity inner wall, between second piston bar and the first cavity inner wall.
- The mechanism 5. a kind of dry powder product frame type hydraulic press according to claim 1 is taken blame for others, it is characterised in that：It is described stifled Fixation is tightened by bolt group between head and the first cavity；Fixation is tightened by bolt group between the capping and the 3rd cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190341.XA CN107931603B (en) | 2017-11-24 | 2017-11-24 | Top cylinder mechanism of frame type hydraulic press for dry powder products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190341.XA CN107931603B (en) | 2017-11-24 | 2017-11-24 | Top cylinder mechanism of frame type hydraulic press for dry powder products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107931603A true CN107931603A (en) | 2018-04-20 |
| CN107931603B CN107931603B (en) | 2023-12-29 |
Family
ID=61949647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711190341.XA Active CN107931603B (en) | 2017-11-24 | 2017-11-24 | Top cylinder mechanism of frame type hydraulic press for dry powder products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107931603B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1449971A (en) * | 1973-04-17 | 1976-09-15 | Jungheinricht Co Maschinenfabr | Telescopic cylinder-piston devices |
| CN2772808Y (en) * | 2005-02-26 | 2006-04-19 | 任胜利 | Hydraulic press of powdery product |
| CN201736449U (en) * | 2010-07-27 | 2011-02-09 | 宁波市北仑新港冶金机械有限公司 | Reset cylinder of powder mill |
| EP2722165A2 (en) * | 2012-10-22 | 2014-04-23 | Robert Bosch Gmbh | Hydraulic circuit for a hydraulic axle and a hydraulic axle |
| DE102013212560A1 (en) * | 2013-06-28 | 2014-12-31 | Robert Bosch Gmbh | Cylinder and cylinder arrangement with such a cylinder |
| DE102013218242A1 (en) * | 2013-09-12 | 2015-03-12 | Robert Bosch Gmbh | Hydraulic actuator with emergency function |
| CN207642289U (en) * | 2017-11-24 | 2018-07-24 | 南通巨能锻压机床有限公司 | A kind of dry powder product frame type hydraulic press is taken blame for others mechanism |
-
2017
- 2017-11-24 CN CN201711190341.XA patent/CN107931603B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1449971A (en) * | 1973-04-17 | 1976-09-15 | Jungheinricht Co Maschinenfabr | Telescopic cylinder-piston devices |
| CN2772808Y (en) * | 2005-02-26 | 2006-04-19 | 任胜利 | Hydraulic press of powdery product |
| CN201736449U (en) * | 2010-07-27 | 2011-02-09 | 宁波市北仑新港冶金机械有限公司 | Reset cylinder of powder mill |
| EP2722165A2 (en) * | 2012-10-22 | 2014-04-23 | Robert Bosch Gmbh | Hydraulic circuit for a hydraulic axle and a hydraulic axle |
| DE102013212560A1 (en) * | 2013-06-28 | 2014-12-31 | Robert Bosch Gmbh | Cylinder and cylinder arrangement with such a cylinder |
| DE102013218242A1 (en) * | 2013-09-12 | 2015-03-12 | Robert Bosch Gmbh | Hydraulic actuator with emergency function |
| CN207642289U (en) * | 2017-11-24 | 2018-07-24 | 南通巨能锻压机床有限公司 | A kind of dry powder product frame type hydraulic press is taken blame for others mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107931603B (en) | 2023-12-29 |
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