CN106270216A - A kind of floating junction and apply the punch press of this floating junction - Google Patents
A kind of floating junction and apply the punch press of this floating junction Download PDFInfo
- Publication number
- CN106270216A CN106270216A CN201610887063.2A CN201610887063A CN106270216A CN 106270216 A CN106270216 A CN 106270216A CN 201610887063 A CN201610887063 A CN 201610887063A CN 106270216 A CN106270216 A CN 106270216A
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- China
- Prior art keywords
- floating junction
- male joint
- stage portion
- cover plate
- joint
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a kind of floating junction and apply the punch press of this floating junction, including male joint, female joint and cover plate, the upper end of described male joint is for connecting end, and card dress in lower end is fixed on cover plate and is connected with female joint in the cavity formed, and described female joint lower end is provided with attachment structure.Rational in infrastructure, punching on each parts, jet-bedding, can very easily realize high accuracy and be prone to processing, it is possible to correction radial error, axial error and angular error within the specific limits, it is possible to regulation axial length, strong adaptability.Abandon traditional floating junction and there is the feature of bearing, spring or other elastic constructions, used new flexible connecting structure, while eliminating rigging error, bigger pressure can have been born, there is abrasion little, service life is long, and structure is reliable, the advantages such as tension, compressive property are good.
Description
Technical field
The invention belongs to machined components technical field, relate to a kind of mechanical connecting device.
Background technology
The effect of floating junction, one is used to couple two axles in different institutions, driving shaft and driven shaft, is allowed to common
Rotate to transmit moment of torsion.Two are used to eliminate error, and especially under the use environment of some high-speed overloads, actuating unit is exerted oneself
Being bigger, if the direction of actuating unit power when stretching out and stress point are the most on one wire, mandrel rod is easily deformed, and floats
Joint has one to be to float, and can be used to absorb or correct cross force, it is achieved flexibly connect, even if having some dimensional discrepancys also
Less problematic, protection associated components also makes equipment operate steadily, the service life of extension device.
Traditional floating junction, inside has bearing, spring or other elastic components, can't stand big pressure, easily
Abrasion, service life is short, and structure is complicated, and machining accuracy and assembly precision require high and be difficult to ensure that, causes cost to occupy height
Under not.
Summary of the invention
In order to fill up the blank of prior art, the present invention provides a kind of floating junction and applies the punch press of this floating junction,
Rational in infrastructure, precision is high, weares and teares little, and service life is long, and can bear bigger active force, it is possible to eliminate a range of footpath
To error, axial error and rotation error, make transmission more reliable and more stable.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of floating junction, including male joint, female joint and cover plate, the upper end of described male joint is for connecting end, lower end card
Dress is fixed on cover plate and is connected with female joint in the cavity formed, and described female joint lower end is provided with attachment structure.
Getting loose easily to prevent from connecting, the connection end of described male joint is bolt structure, the connection end of described male joint
It is additionally provided with set screw.
In order to realize floating junction function, the upper end of described male joint is for connecting end, and lower end is provided with stage portion, described
The outside dimension in rank portion is more than the outside dimension connecting end.
Further, endless groove and transition shoulder, institute also it are disposed with between connection end and the stage portion of described male joint
The outside dimension stating stage portion is more than the outside dimension connecting end more than the outside dimension of transition shoulder.
Further, the both sides of described transition shoulder are provided with relative cutting face.
In order to realize the function of floating junction, described cover plate is circumferential butt, and centre was provided with for leading to that male joint passes
Hole, described female joint upper end is provided with the blind hole accommodating male joint stage portion, and the internal diameter size of described blind hole is more than stage portion
Outside dimension is more than the outside dimension of transition shoulder more than the outside dimension connecting end more than the through hole internal diameter size of cover plate.
Preferably, including male joint, female joint and cover plate, the upper end of described male joint is threaded ends, and lower end is arranged
There is stage portion；Described cover plate is circumferential butt, and centre is provided with the through hole passed for male joint, is circumferentially provided with and connects with described mother
The connecting hole that head connects；Described female joint upper end is provided with the blind hole accommodating male joint stage portion, is circumferentially provided with and connecting hole
The fixing hole coordinated, described female joint lower end is provided with bindiny mechanism；It is additionally provided with and coordinates with connecting hole and fixing hole for solid
Determine the bolt of cover plate and female joint；The stage portion card dress of described male joint is fixed on cover plate and is connected the cavity formed with female joint
In, the threaded ends of described male joint is connected through through hole with external structure.
In order to realize float function, described stage portion card dress be fixed on cover plate be connected with female joint formation cavity in time,
The medial surface of stage portion lateral surface and blind hole forms the radial clearance of 0-8mm, and the end face of stage portion and the end face of cover plate have 0-
The axial gap of 5mm.
In order to improve structural strength, described male joint and/or female joint and/or cover plate are for through Quenching Treatment hardness to be
The rigid member of 58-62HRC.
A kind of punch press applying above-mentioned floating junction.
The invention has the beneficial effects as follows: rational in infrastructure, punching on each parts, jet-bedding, can very easily realize height
Precision and be prone to processing, it is possible to correction radial error, axial error and angular error within the specific limits, it is possible to regulation axle
To length, strong adaptability.
Abandon traditional floating junction and there is the feature of bearing, spring or other elastic constructions, use new flexibility
Attachment structure, can bear bigger pressure while eliminating rigging error, has abrasion little, and service life is long, and structure is reliable, anti-
The advantage such as draw, compressive property is good.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of floating junction provided by the present invention；
Fig. 2 is the structural representation of male joint in the present invention；
Fig. 3 is the structural representation of cover plate of the present invention；
Fig. 4 is the structural representation of female joint in the present invention；
Fig. 5 is the structure broken away view of floating junction provided by the present invention；
Fig. 6 is an alternative embodiment of the invention structure broken away view in a state of use.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Below in conjunction with Fig. 1-Fig. 5, the preferred embodiments of the present invention are described in further detail.
Present embodiments provide a kind of floating junction, including male joint 1, female joint 4 and cover plate 3, described male joint 1 upper
End is for connecting end 11, and card dress in lower end is fixed on cover plate 3 and is connected with female joint 4 in the cavity formed, and described female joint 4 lower end is arranged
There is attachment structure, realized the conduction of power by male joint 1, cover plate 3 and female joint 4, owing to actively setting between male joint 1 and cavity
The reason put and the impact of machining accuracy, so there is gap, by coordinating of male joint 1 and cavity, realize the most by mistake
Difference, axial error and the adjustment of angular error and elimination.
Getting loose easily to prevent from connecting, the connection end 11 of described male joint 1 is bolt structure, the company of described male joint 1
Connect end and 11 be additionally provided with set screw 2, locked by set screw 2, prevent from connecting and get loose in the axial direction.
In order to realize floating junction function, the upper end of described male joint 1 is for connecting end 11, and lower end is provided with stage portion 14,
The outside dimension of described stage portion 14 is more than the outside dimension of connection end 11, thus facilitates cover plate 3 and female joint 4 to limit described public affairs
The lower end stage portion 14 of joint 1, by coordinating of stage portion 14 and female joint 4 and cover plate 3, realizes radial error, axially misses
Difference and the elimination of angular error.
Further, endless groove 12 and transition also it are disposed with between connection end 11 and the stage portion 14 of described male joint 1
Step 13, described endless groove 12 can be used as technology groove, facilitates polish, transition shoulder 13 to play a transition role, further, described
The both sides of transition shoulder 13 are provided with relative cutting face 15, thus convenience spanner turns male joint 1, by male joint 1 with upper
Portion's structure is reliably connected, and meanwhile, when floating junction is used for eliminating angular error, floating junction can rotate in cavity, turn round
Turning an angle, now this rotation space can be vacateed in cutting face 15.Preferably, the outside dimension of described stage portion 14 is more than
The outside dimension of transition shoulder 13 is more than the outside dimension connecting end 11.As optional embodiment, described floating junction
Centrage can not be straight line, and described floating junction is bending floating junction, and the bending part of described floating junction is ring-type
At groove 12 and transition shoulder 13, thus meet the floating junction needs at special occasions.
As optional embodiment, the edge of described stage portion 14 uses fillet to process, and is provided with circle in cavity simultaneously
Angle transition, it is preferred that the edge circular arc transition of stage portion 14, the edge of cavity is and the circular arc of stage portion 14 edge mate
Face, thus when floating junction has angular error, can have between stage portion 14 and the blind hole 41 of female joint 4 of male joint 1
There is more contact area.
In order to realize the function of floating junction, described cover plate 3 is circumferential butt, and centre is provided with and supplies male joint 1 to pass
Through hole 22, described female joint 4 upper end is provided with the blind hole 41 accommodating male joint 1 stage portion 14, the internal diameter size of described blind hole 41
It is more than even more than the outside dimension of transition shoulder 13 more than through hole 22 internal diameter size of cover plate 3 more than the outside dimension of stage portion 14
Connect the outside dimension of end 11, so that the stage portion 14 of male joint 1 can move radially in the cavity that blind hole 41 is formed, with
Time will not deviate from from cavity due to the cooperation of cover plate 3, stage portion 14.Described female joint 4 circumference be respectively arranged with cover plate 3 and
The attachment structure that lower end structure connects, attachment structure is evenly distributed on the axial of female joint 4, comes with blind hole 41 dislocation, and mother connects
The 4 mainly pressure born, its stress is mainly ensured by material and structure.
Preferably, including male joint 1, female joint 4 and cover plate 3, the upper end of described male joint 1 is threaded ends 11, under
End is provided with stage portion 14；Described cover plate 3 is circumferential butt, and centre is provided with the through hole 22 passed for male joint 1, circumferentially disposed
There is the connecting hole 21 being connected with described female joint 4；Described female joint 4 upper end is provided with the blind hole accommodating male joint 1 stage portion 14
41, it is circumferentially provided with the fixing hole coordinated with connecting hole 21, described female joint 4 lower end is provided with bindiny mechanism；Be additionally provided with
Connecting hole 21 and fixing hole coordinate the bolt for securing cover plate 3 with female joint 4；The stage portion 14 card dress of described male joint 1 is solid
Being scheduled on cover plate 3 to be connected with female joint 4 in the cavity formed, the threaded ends 11 of described male joint 1 is through through hole 22 and outside
Structure connects.
In order to realize float function, described stage portion 14 card dress is fixed on cover plate 3 and is connected with female joint 4 in the cavity formed
Time, the medial surface of stage portion 14 lateral surface and blind hole 41 forms the radial clearance of 0-8mm, the end face of stage portion 14 and cover plate 3
End face has the axial gap of 0-5mm.If excesssive gap, floating junction can lose floating action, if gap is too small, floats
The effect that joint undertakes is the most too small, thus can cause abrasion, it is preferred that radially maximal clearance is 2mm, and axial maximal clearance is
0.1mm, i.e. when the stage portion 14 of floating junction is placed on cavity middle, the edge of stage portion 14 is far from inside cavities distance
1mm, when fitting with cavity in the side of stage portion 14, the opposite side of stage portion 14 and the distance of cavity inner wall are 2mm；Stage portion
14 lower surface laminating cavity bottom surface time, the lower surface distance of the upper surface of stage portion 14 and cover plate 3 is 1mm.
In order to improve structural strength, described male joint 1 and/or female joint 4 and/or cover plate 3 are through Quenching Treatment hardness
Rigid member for 58-62HRC.
As optional embodiment, described floating junction includes organizing male joint 1, female joint 4 and cover plate 3 more, often organizes public affairs
Joint 1, female joint 4 and cover plate 3 connect formation floating junction unit, and many group floating junction unit are sequentially connected in series from top to bottom, i.e.
Upper end female joint 4 is indirectly connected with by bridgeware or is directly connected to lower end male joint 1, thus realizes eliminating the mesh of bigger error
's.
With reference to Fig. 6, as another embodiment optional, described floating junction also includes guide rod 7, guide pin bushing 6 and guide pin bushing
Fixed plate 5, owing to floating junction has floating action, therefore ensures that the direction of power is important, so having also needed to guiding
Structure such as guide rod 7, guide pin bushing 6 and guide pin bushing fixed plate 5.
In this embodiment, described frame is installed with parallel with the Impact direction of described floating junction
More than one guide post, described guide post is arranged with guide pin bushing 6, and described guide pin bushing 6 is fixed in guide pin bushing fixed plate 5, described floating
One end of dynamic joint connects the piston of drive mechanism such as hydraulic cylinder, other end connection guide pin bushing fixed plate 5, pass through the most again described in lead
Set fixed plate 5 is connected female joint 4 lower end of other structures, such as floating junction and is connected with guide pin bushing fixed plate 5 by bolt fixing,
Guide pin bushing fixed plate 5 reconnects other structures.
Or, described frame is installed with more than one guide pin bushing 6, described guide pin bushing 6 is arranged with described in being parallel to
The guide post of the Impact direction of floating junction, described guide post is fixed in guide pin bushing fixed plate 5, and one end of described floating junction is even
Connecing the piston driving structure such as hydraulic cylinder, other end female joint 4 connects guide pin bushing fixed plate 5, and described guide pin bushing fixed plate 5 reconnects
Other structures.
Further, optionally, mould draw bar, the centrage of described mould draw bar it are provided with below described guide pin bushing fixed plate 5
Being located along the same line with the piston of upper end hydraulic cylinder, the centrage of floating junction, described mould draw bar is threaded connection solid
Being scheduled on guide pin bushing fixed edge 5, mould draw bar lower end is provided with force step, and force step is connected in the upper mold of mould, passes through
Force step is connected with mould conductance.Thus improve the ability eliminating error further.Further, in described mould draw bar
It is additionally provided with cooperation nut, coordinates nut to rotatably compress and the connection between mould draw bar and upper mould is kept as more
Firm.
A kind of punch press applying above-mentioned floating junction, hydraulic cylinder (piston), floating junction, guide pin bushing fixed plate 5, mould draw
Bar and mould (set of blades) are sequentially connected with setting from top to bottom, it is achieved the conduction of power, and floating junction connects the piston of hydraulic cylinder,
Coordinate the guide rod structure parallel with the piston of hydraulic cylinder, it is ensured that the transmission of power on centerline, thus realizes Precision Machining, extend
The service life of equipment.
Finally illustrating, above example is only limited in order to technical scheme to be described, to the greatest extent
The present invention has been described in detail by pipe with reference to preferred embodiment, it should be appreciated by those of ordinary skill in the art that can be right
Technical scheme is modified or equivalent, and without deviating from objective and the scope of the technical program, it all should be contained
Cover in scope of the presently claimed invention.
Claims (10)
1. a floating junction, it is characterised in that: include male joint (1), female joint (4) and cover plate (3), described male joint (1)
Upper end for connect end (11), lower end card dress be fixed on cover plate (3) be connected with female joint (4) formation cavity in, described mother connects
Head (4) lower end is provided with attachment structure.
A kind of floating junction the most according to claim 1, it is characterised in that: the connection end (11) of described male joint (1) is
Bolt structure, the connection end (11) of described male joint (1) is additionally provided with set screw (2).
A kind of floating junction the most according to claim 1, it is characterised in that: the upper end of described male joint (1) is for connecting end
(11), lower end is provided with stage portion (14), and the outside dimension of described stage portion (14) is more than the outside dimension connecting end (11).
A kind of floating junction the most according to claim 3, it is characterised in that: the connection end (11) of described male joint (1) with
Also being disposed with endless groove (12) and transition shoulder (13) between stage portion (14), the outside dimension of described stage portion (14) is big
Outside dimension in transition shoulder (13) is more than the outside dimension connecting end (11).
A kind of floating junction the most according to claim 4, it is characterised in that: the both sides of described transition shoulder (13) are provided with
Relative cutting face (15).
6. according to a kind of floating junction described in claim 4 or 5, it is characterised in that: described cover plate (3) is circumferential butt, in
Between be provided with for male joint (1) through hole (22) that passes, described female joint (4) upper end is provided with receiving male joint (1) stage portion
(14) blind hole (41), the internal diameter size of described blind hole (41) is more than outside dimension the leading to more than cover plate (3) of stage portion (14)
Hole (22) internal diameter size is more than the outside dimension connecting end (11) more than the outside dimension of transition shoulder (13).
A kind of floating junction the most according to claim 1, it is characterised in that: include male joint (1), female joint (4) and lid
Plate (3), the upper end of described male joint (1) is threaded ends (11), and lower end is provided with stage portion (14)；Described cover plate (3) is
Circumferential butt, centre is provided with for male joint (1) through hole (22) that passes, is circumferentially provided with and is connected with described female joint (4)
Connecting hole (21)；Described female joint (4) upper end is provided with the blind hole (41) accommodating male joint (1) stage portion (14), circumferentially disposed
The fixing hole coordinated with connecting hole (21), described female joint (4) lower end is had to be provided with bindiny mechanism；It is additionally provided with and connecting hole
And fixing hole coordinates the bolt for securing cover plate (3) and female joint (4) (21)；Stage portion (14) card of described male joint (1)
Dress is fixed on cover plate (3) and is connected with female joint (4) in the cavity formed, and the threaded ends (11) of described male joint (1) passes
Through hole (22) is connected with external structure.
A kind of floating junction the most according to claim 7, it is characterised in that: described stage portion (14) card dress is fixed on cover plate
(3), when being connected with female joint (4) in the cavity formed, stage portion (14) lateral surface forms 0-8mm with the medial surface of blind hole (41)
Radial clearance, the end face of the end face of stage portion (14) and cover plate (3) has the axial gap of 0-5mm.
A kind of floating junction the most according to claim 1, it is characterised in that: described male joint (1) and/or female joint (4)
And/or cover plate (3) for through Quenching Treatment hardness be the rigid member of 58-62HRC.
10. the punch press of floating junction according to any one of application claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610887063.2A CN106270216A (en) | 2016-10-11 | 2016-10-11 | A kind of floating junction and apply the punch press of this floating junction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610887063.2A CN106270216A (en) | 2016-10-11 | 2016-10-11 | A kind of floating junction and apply the punch press of this floating junction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106270216A true CN106270216A (en) | 2017-01-04 |
Family
ID=57718477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610887063.2A Pending CN106270216A (en) | 2016-10-11 | 2016-10-11 | A kind of floating junction and apply the punch press of this floating junction |
Country Status (1)
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| CN (1) | CN106270216A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645110A (en) * | 2020-07-01 | 2020-09-11 | 无锡盈连科技有限公司 | Radial floating device |
| CN113700962A (en) * | 2021-09-24 | 2021-11-26 | 江苏徐工工程机械研究院有限公司 | Quick-operation joint interfacing apparatus and engineering machine tool |
| CN114412901A (en) * | 2022-02-09 | 2022-04-29 | 北京无线电测量研究所 | Connecting device and connecting method for connecting two connecting objects |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111645110A (en) * | 2020-07-01 | 2020-09-11 | 无锡盈连科技有限公司 | Radial floating device |
| CN111645110B (en) * | 2020-07-01 | 2024-05-03 | 无锡盈连科技有限公司 | Radial floating device |
| CN113700962A (en) * | 2021-09-24 | 2021-11-26 | 江苏徐工工程机械研究院有限公司 | Quick-operation joint interfacing apparatus and engineering machine tool |
| CN114412901A (en) * | 2022-02-09 | 2022-04-29 | 北京无线电测量研究所 | Connecting device and connecting method for connecting two connecting objects |
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Application publication date: 20170104 |