CN109367113A - A kind of pressure sensing mechanism of hydraulic press - Google Patents
A kind of pressure sensing mechanism of hydraulic press Download PDFInfo
- Publication number
- CN109367113A CN109367113A CN201811579066.5A CN201811579066A CN109367113A CN 109367113 A CN109367113 A CN 109367113A CN 201811579066 A CN201811579066 A CN 201811579066A CN 109367113 A CN109367113 A CN 109367113A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- guide post
- hydraulic press
- pressure head
- holes
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000000930 thermomechanical effect Effects 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0094—Press load monitoring means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The present invention relates to a kind of hydraulic thermomechanical components, the specifically pressure sensing mechanism of hydraulic press.It includes the pressure head of hydraulic press and the piston rod of hydraulic press driving cylinder.Pressing plate is provided with above pressure head, pressing plate has centre bore, and the centre bore that the lower end of piston rod passes through pressing plate reaches under pressing plate, and the lower end of piston rod is fixed with driving head, has pressure sensor on the pressure head below driving head.Its main feature is that pressure head is uniformly distributed on peripheries with guide post, there are vertical through holes on the corresponding pressing plate of guide post, the upper end of guide post passes through vertical through holes and reaches on pressing plate, the upper end of guide post is machined with external screw thread, and the upper end of guide post is set with adjusting nut, the outer diameter of adjusting nut is greater than the aperture of vertical through holes, has floating spring in that section of guide post between pressing plate and pressure head.The pressure sensing mechanism is lower to the requirement on machining accuracy of part, and the process for adjusting the depth of parallelism is simpler.
Description
Technical field
The present invention relates to a kind of hydraulic thermomechanical components, the hydraulic press being specifically monitored for the press power to hydraulic press
Pressure sensing mechanism.
Background technique
It is both known about in press fitting industry, in the hydraulic press for being pressed certain workpiece needs that pressure sensing mechanism is installed.
Currently, the pressure sensing mechanism of hydraulic press includes the pressure head of hydraulic press and the piston rod of hydraulic press driving cylinder.It is described
Horizontally disposed pressing plate is provided with above pressure head, pressing plate has centre bore, and the lower end of the piston rod passes through the centre bore of pressing plate
It reaches under pressing plate, the lower end of piston rod is fixed with driving head, and the upper surface of driving head and the lower face of pressing plate offset, power transmission
There is pressure sensor on the pressure head of head lower section.There is connecting plate between the pressure head and pressing plate of pressure sensor two sides.In order to guarantee precision,
The preferable depth of parallelism is needed between the lower plane of pressure head and the work top of hydraulic press.The pressure head and pressure of this pressure sensing mechanism
It is connected between plate by connecting plate, it is higher to the requirement on machining accuracy of connecting plate.Moreover, the pressure sensing mechanism of this hydraulic press exists
After being installed, the depth of parallelism between pressure head lower plane and worktable panel guarantees by machining accuracy completely, once machining accuracy
There is error, can only tear that plate reconditioning is again assembled open, the process for adjusting the depth of parallelism is cumbersome.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of pressure sensing mechanism of hydraulic press, the pressure sensing mechanisms pair
The requirement on machining accuracy of part is lower, and the process for adjusting the depth of parallelism is simpler.
To solve the above problems, the following technical schemes are provided:
A kind of pressure sensing mechanism of hydraulic press of the invention includes the pressure head of hydraulic press and the piston rod of hydraulic press driving cylinder.Institute
It states and is provided with horizontally disposed pressing plate above pressure head, pressing plate has centre bore, and the lower end of the piston rod passes through the center of pressing plate
Hole reaches under pressing plate, and the lower end of piston rod is fixed with driving head, and the upper surface of driving head and the lower face of pressing plate offset, and passes
There is pressure sensor on pressure head below power head.Its main feature is that the pressure head is uniformly distributed on peripheries with the guide post arranged vertically, lead
Have vertical through holes on the corresponding pressing plate of column, the upper end of guide post passes through vertical through holes and reaches on pressing plate, guide post with it is right
In sliding shape cooperation between the vertical through holes answered, the upper end of guide post is machined with external screw thread, and the upper end of guide post is set with adjustment
Nut, the outer diameter of adjusting nut are greater than the aperture of vertical through holes, have floating in that section of guide post between pressing plate and pressure head
Spring.
Wherein, the adjusting nut includes acorn nut and slim nut, acorn nut and slim nut successively from upper and
Under be sleeved in guide post.
There is guide sleeve between the guide post and vertical through holes.
The upper end of the guide sleeve is stretched out from the upper end of vertical through holes, and has annular flanging on the overhanging end of guide sleeve,
The lower surface of annular flanging offsets with pressing plate；Annular flange, ring are fixed on the pressing plate upper face of the vertical through holes surrounding
Shape flange is pressed on the annular flanging of guide sleeve on the inside of lower end surface, and annular flange covers in corresponding guide post, and ring
There is dustband between the inner ring surface of shape flange and the lateral wall of guide post, in sliding shape cooperation between guide post and dustband.The ring
There is spacer between shape flange and corresponding adjusting nut.
There is pit on the upper surface of the pressure head, is evenly equipped with the water being connected with pit along its circumferential direction on the lateral wall of pressure head
Flat thread hole, the piston rod are located in pit, there is Top fastening screw in the horizontal threaded bore, and Top fastening screw is and piston rod
Side wall offset.
The pressure head is square ram, and there are four the guide posts, they are located on four angles of pressure head.
The above scheme has the following advantages:
Since the pressure head of the pressure sensing mechanism of hydraulic press of the invention is uniformly distributed on peripheries with guide post, on the corresponding pressing plate of guide post
There are vertical through holes, the upper end of guide post passes through vertical through holes and reaches on pressing plate, is between guide post and corresponding vertical through holes
Slide shape cooperation, the upper end of guide post is machined with external screw thread, and the upper end of guide post is set with adjusting nut, adjusting nut it is outer
Diameter is greater than the aperture of vertical through holes, has floating spring in that section of guide post between pressing plate and pressure head.In use, passing through tune
The depth of parallelism between pressure head lower plane and worktable panel can be adjusted in whole nut, so as to reduce the machining accuracy of column, greatly
The process of the adjustment depth of parallelism is simplified greatly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the pressure sensing mechanism of hydraulic press of the invention；
Fig. 2 is the portion the A enlarged drawing of Fig. 1；
Fig. 3 is the portion the B enlarged drawing of Fig. 1；
Fig. 4 is the stereoscopic schematic diagram of the pressure sensing mechanism of hydraulic press of the invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings.
As shown in Fig. 1 ~ 4, a kind of pressure sensing mechanism of hydraulic press of the invention includes the pressure head 1 and hydraulic press of hydraulic press
The piston rod 7 of driving cylinder.The top of the pressure head 1 is provided with horizontally disposed pressing plate 4, and pressing plate 4 has centre bore, the piston rod
The centre bore that 7 lower end passes through pressing plate 4 reaches under pressing plate 4, and the lower end of piston rod 7 is fixed with driving head 9, driving head 9
Upper surface and the lower face of pressing plate 4 offset, and have pressure sensor 10 on the pressure head 1 of 9 lower section of driving head.Its main feature is that the pressure head
1 is uniformly distributed on peripheries with the guide post 2 arranged vertically, has vertical through holes, the upper end of guide post 2 on the corresponding pressing plate 4 of guide post 2
It is reached on pressing plate 4 across vertical through holes, in sliding shape cooperation, the upper end of guide post 2 between guide post 2 and corresponding vertical through holes
It being machined with external screw thread, and the upper end of guide post 2 is set with adjusting nut, the outer diameter of adjusting nut is greater than the aperture of vertical through holes,
There is floating spring 3 in that section of guide post 2 between pressing plate 4 and pressure head 1.
The adjusting nut includes acorn nut 6 and slim nut 5, and acorn nut 6 and slim nut 5 are successively from top to bottom
It is sleeved in guide post 2.It is that relaxation effect is good using the advantages of double-deck nut, so that compacting precision is high.
There is guide sleeve 14 between the guide post 2 and vertical through holes.The upper end of the guide sleeve 14 is from the upper of vertical through holes
End is stretched out, and has annular flanging 14-1 on the overhanging end of guide sleeve 14, lower surface and 4 phase of pressing plate of annular flanging 14-1
It supports；Annular flange 12 is fixed on 4 upper face of pressing plate of the vertical through holes surrounding, annular flange is pressed on the inside of 12 lower end surface
On the annular flanging 14-1 of guide sleeve 14, annular flange 12 covers in corresponding guide post 2, and the inner ring of annular flange 12
There is dustband 13 between face and the lateral wall of guide post 2, in sliding shape cooperation between guide post 2 and dustband 13.The annular flange
There is spacer 11 between 12 and corresponding adjusting nut.
There is pit 16 on the upper surface of the pressure head 1, is evenly equipped on the lateral wall of pressure head 1 along its circumferential direction and is connected with pit 16
Logical horizontal threaded bore 15, the piston rod 7 are located in pit 16, have Top fastening screw 8 in the horizontal threaded bore 15, hold out against
Side wall of the screw 8 with piston rod 7 offsets.The advantages of designing in this way is spliced to the frame of pressure head 1, pressing plate 4 and guide post 2
Afterwards, when then removing installation driving head 9, since driving head 9 is in such a way that horizontal Top fastening screw 8 is held out against, and 9 surrounding of driving head is
Guide post 2, space is wide, and tightening Top fastening screw 8 will not be interfered, convenient for the installation of driving head 9.
The pressure head 1 is square ram 1, and there are four the guide posts 2, they are located on four angles of pressure head 1.
In the present embodiment, lock guide post 2 is formed from steel, and the guide sleeve 14 is copper sheathing.The advantages of improving in this way is two kinds
When different materials slides up and down for a long time, it is not easy to plucking, long service life.
The pressure sensing mechanism of this hydraulic press makes that 1 lower plane of pressure head and worktable panel can be adjusted by adjusting nut
Between the depth of parallelism, so as to reduce the machining accuracy of column, enormously simplify adjustment the depth of parallelism process.Moreover, using leading
The connecting plate that the prior art is replaced to column 2, so that the simplicity that the installation process of driving head 9 becomes.Meanwhile utilizing the guide post of steel
2, guide sleeve 14 made of copper cooperates, so that the two is not easy to fluff in sliding process, substantially prolongs their service life.
Claims (6)
1. a kind of pressure sensing mechanism of hydraulic press, the piston rod (7) of pressure head (1) and hydraulic press driving cylinder including hydraulic press；
It is provided with horizontally disposed pressing plate (4) above the pressure head (1), pressing plate (4) has centre bore, the lower end of the piston rod (7)
Centre bore across pressing plate (4) reaches under pressing plate (4), and the lower end of piston rod (7) is fixed with driving head (9), driving head (9)
Upper surface and the lower face of pressing plate (4) offset, have pressure sensor (10) on the pressure head (1) below driving head (9)；Its feature
It is the guide post (2) arranged vertically that is uniformly distributed on peripheries with of the pressure head (1), has on the corresponding pressing plate (4) of guide post (2) perpendicular
To through-hole, the upper end of guide post (2) passes through vertical through holes and reaches on pressing plate (4), guide post (2) between corresponding vertical through holes
In sliding shape cooperation, the upper end of guide post (2) is machined with external screw thread, and the upper end of guide post (2) is set with adjusting nut, adjustment
The outer diameter of nut is greater than the aperture of vertical through holes, has floating in that section of guide post (2) between pressing plate (4) and pressure head (1)
Spring (3).
2. the pressure sensing mechanism of hydraulic press as described in claim 1, it is characterised in that the adjusting nut includes lid shape spiral shell
Female (6) and slim nut (5), acorn nut (6) and slim nut (5) are successively sleeved on from top to bottom on guide post (2).
3. the pressure sensing mechanism of hydraulic press as described in claim 1, it is characterised in that the guide post (2) and vertical through holes
Between have guide sleeve (14).
4. the pressure sensing mechanism of hydraulic press as claimed in claim 3, it is characterised in that the upper end of the guide sleeve (14) from
The upper end of vertical through holes is stretched out, and has annular flanging (14-1) on the overhanging end of guide sleeve (14), annular flanging (14-1)
Lower surface offset with pressing plate (4)；Annular flange (12), ring are fixed on pressing plate (4) upper face of the vertical through holes surrounding
It is pressed on the annular flanging (14-1) of guide sleeve (14) on the inside of shape flange (12) lower end surface, annular flange (12) is covered right
In the guide post (2) answered, and there are dustband (13) between the inner ring surface of annular flange (12) and the lateral wall of guide post (2), is oriented to
In sliding shape cooperation between column (2) and dustband (13)；There is spacer between the annular flange (12) and corresponding adjusting nut
(11).
5. the pressure sensing mechanism of hydraulic press as described in claim 1, it is characterised in that have on the upper surface of the pressure head (1)
Pit (16) is evenly equipped with the horizontal threaded bore (15) being connected with pit (16) along its circumferential direction on the lateral wall of pressure head (1), described
Piston rod (7) is located in pit (16), has Top fastening screw (8) in the horizontal threaded bore (15), Top fastening screw (8) with work
The side wall of stopper rod (7) offsets.
6. the pressure sensing mechanism of the hydraulic press as described in any one of claim 1 ~ 4, it is characterised in that the pressure head (1) is
Square ram (1), there are four the guide posts (2), they are located on four angles of pressure head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811579066.5A CN109367113A (en) | 2018-12-24 | 2018-12-24 | A kind of pressure sensing mechanism of hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811579066.5A CN109367113A (en) | 2018-12-24 | 2018-12-24 | A kind of pressure sensing mechanism of hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109367113A true CN109367113A (en) | 2019-02-22 |
Family
ID=65371370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811579066.5A Pending CN109367113A (en) | 2018-12-24 | 2018-12-24 | A kind of pressure sensing mechanism of hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109367113A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454260A (en) * | 2020-10-30 | 2021-03-09 | 广西玉柴机器股份有限公司 | Online press fitting tool for rear oil seal of engine |
| US11292047B2 (en) | 2019-05-03 | 2022-04-05 | Ford Global Technologies | Mechanical die pressure monitoring system |
| CN117359359A (en) * | 2023-12-05 | 2024-01-09 | 无锡瑞真精机股份有限公司 | End face self-positioning pressing mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386216A (en) * | 2008-10-24 | 2009-03-18 | 扬州捷迈锻压机械有限公司 | Press head of movable rotary press head portal shaped hydraulic press |
| CN204222247U (en) * | 2014-11-07 | 2015-03-25 | 重庆麦斯特精密机械有限公司 | For the fluid pressure type high-mechanic rotating material-pressing machine of material forming |
| US20160334287A1 (en) * | 2013-12-20 | 2016-11-17 | Kistler Holding Ag | Force sensor for manually operated or pneumatic presses |
| US20170008062A1 (en) * | 2015-07-06 | 2017-01-12 | Feintool International Holding Ag | Precision blanking press |
| CN106392585A (en) * | 2016-11-29 | 2017-02-15 | 合肥长源液压股份有限公司 | Lining press-fitting tool |
| CN106862901A (en) * | 2016-12-26 | 2017-06-20 | 深圳市金岷江智能装备有限公司 | Press-loading device and its press-loading device |
| CN209479052U (en) * | 2018-12-24 | 2019-10-11 | 无锡蓝力智能装备有限公司 | A kind of pressure sensing mechanism of hydraulic press |
-
2018
- 2018-12-24 CN CN201811579066.5A patent/CN109367113A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386216A (en) * | 2008-10-24 | 2009-03-18 | 扬州捷迈锻压机械有限公司 | Press head of movable rotary press head portal shaped hydraulic press |
| US20160334287A1 (en) * | 2013-12-20 | 2016-11-17 | Kistler Holding Ag | Force sensor for manually operated or pneumatic presses |
| CN204222247U (en) * | 2014-11-07 | 2015-03-25 | 重庆麦斯特精密机械有限公司 | For the fluid pressure type high-mechanic rotating material-pressing machine of material forming |
| US20170008062A1 (en) * | 2015-07-06 | 2017-01-12 | Feintool International Holding Ag | Precision blanking press |
| CN106392585A (en) * | 2016-11-29 | 2017-02-15 | 合肥长源液压股份有限公司 | Lining press-fitting tool |
| CN106862901A (en) * | 2016-12-26 | 2017-06-20 | 深圳市金岷江智能装备有限公司 | Press-loading device and its press-loading device |
| CN209479052U (en) * | 2018-12-24 | 2019-10-11 | 无锡蓝力智能装备有限公司 | A kind of pressure sensing mechanism of hydraulic press |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11292047B2 (en) | 2019-05-03 | 2022-04-05 | Ford Global Technologies | Mechanical die pressure monitoring system |
| CN112454260A (en) * | 2020-10-30 | 2021-03-09 | 广西玉柴机器股份有限公司 | Online press fitting tool for rear oil seal of engine |
| CN117359359A (en) * | 2023-12-05 | 2024-01-09 | 无锡瑞真精机股份有限公司 | End face self-positioning pressing mechanism |
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