CN104668942B - Harvester screen box rocking bar gum cover bearing press-fitting device - Google Patents
Harvester screen box rocking bar gum cover bearing press-fitting device Download PDFInfo
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- CN104668942B CN104668942B CN201510126669.XA CN201510126669A CN104668942B CN 104668942 B CN104668942 B CN 104668942B CN 201510126669 A CN201510126669 A CN 201510126669A CN 104668942 B CN104668942 B CN 104668942B
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- Prior art keywords
- rocking bar
- screen box
- gum cover
- cover bearing
- press
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses harvester screen box rocking bar gum cover bearing press-fitting devices, including being fixed on press bench to fix the positioning pedestal of screen box rocking bar (3) (2), for the assembly side of the screen box rocking bar (3) upwards perpendicular to workbench, the positioning pedestal (2) is equipped with the guide holder (4) covered in screen box rocking bar (3) assembly side；Gum cover bearing (6) is placed in the guide holder (4), and be pressed downward in the assembly side loaded on the screen box rocking bar (3) by being set on the pressure head right over it (7), the guide holder (4) is equipped with the float positioning device (5) of the contraction of floating of gum cover bearing (6) described in clamping position.The press-loading apparatus is easy to operate for being pressed screen box rocking bar gum cover bearing, and production efficiency is high, and labor intensity is low, ensures the consistency of press fitting, eliminates the hidden danger of quality of product, is suitble to large batch of Assembling Production.
Description
Technical field
The invention belongs to harvest machinery technical field, it is more particularly related to harvester screen box rocking bar gum cover axis
Pressure-bearing assembling device.
Background technology
Gum cover bearing is assembled on combine harvester screen box rocking bar, gum cover and axis matching allowance are larger, and unilateral interference is equal
In more than 2mm, so assembling is more difficult, efficiency is low.
Existing assembling means are substantially hammering method, and such assembly method drawback is more, and injuring part surface easy first applies
Layer or coating, influence overall mass；Secondly tapping may cause product to crack and be not easy to be found, and reduce assembling quality,
Influence service life；It is more serious product to be made directly to be broken during percussion, cause certain economic loss.
Invention content
Present invention aim to address problems of the prior art, provide it is a kind of simple in structure, it is easy to use, can drop
Low labor intensity improves efficiency, and can guarantee the consistency of press fitting, eliminates the harvester screen box rocking bar glue of the hidden danger of quality of product
Cover bearing press-fitting device.
To achieve these goals, the technical solution taken of the present invention is：This harvester screen box rocking bar glue provided
Bearing press-fitting device is covered, including being fixed on press bench to fix the positioning pedestal of screen box rocking bar, the screen box rocking bar
Assembly side upwards perpendicular to workbench, the positioning pedestal is equipped with the guide holder covered in the screen box rocking bar assembly side；
Gum cover bearing is placed in the guide holder, and is pressed downward the assembly side loaded on the screen box rocking bar by being set on the pressure head right over it
On, the guide holder is equipped with the float positioning device of the contraction of floating of gum cover bearing described in clamping position.
The float positioning device includes the multiple floating positioning pins being connected in the gum cover bearing periphery circumferential direction, described
Multiple floating positioning pins horizontally toward same center of circle clamping position.
The floating positioning pin includes floating seat and is contacted set on described floating seat one end with the gum cover bearing top circle week
Air supported head, the air supported head is by the collapsible support of the spring being placed in the floating seat.
The other end of the floating seat is equipped with the adjusting screw for adjusting the spring-compressed length.
The guide holder inner diameter is slightly larger than the diameter of the gum cover bearing, and the air supported head front end protrudes the guiding
Seat internal face.
The air supported head is spherical structure, and shown floating seat end is equipped with the circular hole that diameter is less than the air supported head.
The positioning pedestal is made of the locating piece of two separation, and two locating piece is equipped with and is located along the same line and opens
The opposite open slot of mouth.
The open slot is U-shaped structure slot, the opening width of the U-shaped structure slot and the screen box rocking bar diameter length phase
Together, the distance of the two U-shaped structures slot distalmost end is equal to the length of screen box rocking bar.
The guide holder be equipped with set on the opposite connectivity slot of the positioning pedestal upper opening slot.
The positioning pedestal upper surface is equipped with the limiting plane for limiting the gum cover bearing press mounting position.
The forcing press, which is set, there are two pressure head, to be respectively correspondingly arranged in right over two assembly sides of the screen box rocking bar.
Described two pressure head lower faces are acted on simultaneously on two gum cover bearings of both sides.
The positioning pedestal is connected to by the floor installation being set below on the press bench.
Set multigroup press-loading apparatus on the press bench in a row.
The present invention compared with prior art, has the following advantages：Using forcing press as operation power, during press fitting, by screen box
Rocking bar is located in as required in the positioning pedestal of tooling base part, then two gum cover bearings are placed in the guide holder of both sides, circle
Week is clamped by float positioning device, and pressure is uniform, can be accurately positioned, and centering ensures gum cover bearing axis vertical operation table top,
Upper surface is horizontal, and when assembling can shrink with the variation of gum cover bearing outside diameter, solve because outer diameter deflection is big before and after gum cover press fitting,
And the problem of being difficult to discharging, be conducive to smoothly assemble, assembling quality is high, and efficient and convenient.The press-loading apparatus sieves for being pressed
Case rocking bar gum cover bearing, easy to operate, production efficiency is high, and labor intensity is low, ensures the consistency of press fitting, eliminates the quality of product
Hidden danger is suitble to large batch of Assembling Production.
Description of the drawings
The content expressed by the attached drawing of this specification and the label in figure are briefly described below：
Fig. 1 is press-loading apparatus front view of the present invention；
Fig. 2 is press-loading apparatus vertical view of the present invention；
Fig. 3 is float positioning device structure diagram of the present invention；
In figure label for：1st, pedestal, 2, positioning pedestal, 3, screen box rocking bar, 4, guide holder, 5, float positioning device, 51, floating
Dynamic seat, 52, air supported head, 53, spring, 54, adjusting screw, 6, gum cover bearing, 7, pressure head, 8, open slot, 9, positioning pin, 10, peace
Fill bolt.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to the specific embodiment of the present invention further details of
Explanation.
Harvester screen box rocking bar gum cover bearing press-fitting device of the present invention, by the positioning pedestal 2 of positioning screen box rocking bar 3, to glue
Covering bearing 6, it installs the guide holder 4 of guiding role, and float positioning device 5 and pressure head 7 on guide holder 4 form.It will press fitting
Device is fixed on common mono column press, and screen box rocking bar 3 and both ends gum cover bearing 6 are located on the press-loading apparatus, by pressure
Machine band dynamic head 7, which is realized, to be once press-fit into place.
As shown in Figure 1, 2, which includes the positioning pedestal 2 being fixed on press bench, in positioning pedestal 2
It is equipped with the locating slot of fixed screen box rocking bar 3.The screen box rocking bar 3 of harvester is U-shaped structure, and there are two need assembling gum cover bearing for tool
6 assembly side positions the assembly side of screen box rocking bar 3 upwards perpendicular to workbench by locating slot.Guide holder 4 covers in screen box
In 3 assembly side of rocking bar, guide holder 4 is positioned by positioning pin 9, and installation bolt 10 is tightened against in positioning pedestal 2；By gum cover bearing 6
It is placed in guide holder 4, guide holder 4 is equipped with the float positioning device 5 of the contraction of floating of clamping position gum cover bearing 6, floats
Positioning device 5 clamps gum cover bearing 6, it is made to be aligned with assembly side, keeps horizontality, and by being set on right over guide holder 4
Pressure head 7 is pressed downward in the assembly side loaded on screen box rocking bar 3.
In the present invention, float positioning device 5 includes the multiple floating positioning pins being connected in 6 periphery circumferential direction of gum cover bearing,
Multiple floating positioning pins horizontally toward same center of circle clamping position positions the heart, and guarantee clamps level, in order to smoothly be pressed,
Avoid assembling deflection, it is difficult to remove.Selection is set there are three floating positioning pin in the present embodiment, and 6 circumference of gum cover bearing is respectively by three
A floating positioning pin is held tightly, is properly positioned state as 6 axis vertical operation table top of gum cover bearing, upper surface is horizontal.
As shown in Fig. 2, floating positioning pin includes floating seat 51, connect set on 51 one end of floating seat and 6 excircle of gum cover bearing
Tactile air supported head 52 and spring 53, spring 53 are placed in floating seat 51, for springing back and holding out against air supported head 52.It is excellent in the present invention
Choosing, adjusting screw 54 is equipped in the other end of floating seat 51, inside or outside turn adjustment screw 54 is adjustably controlled bullet
Spring 53 compresses length, to control the size of the screen resilience of spring, ensures that each positioning point pressure that floats is equal, it is accurately fixed to realize
Position, centering.
Since gum cover bearing 6 and 3 matching allowance of screen box rocking bar are larger, outer diameter expands after press fitting, for ease of press fitting, can incite somebody to action
4 inner diameter of guide holder is set as the diameter slightly larger than gum cover bearing 6, and 52 front end of air supported head protrudes 4 internal face of guide holder, Duo Gefu
The circle that dynamic head 52 surrounds is equal with 6 outer diameter of bearing in a free state, plays clamping position, certralizing ability.Gum cover bearing 6 is pressed
To after the assembly side of screen box rocking bar 3, gum cover outer diameter, which struts, to become larger, and air supported head 52 compresses automatically, due to uniform force, positioning of floating
Point also one circle on, before and after press fitting 6 position of gum cover bearing will not tilt variation, ensure its will not generate pressure bias split phenomenon.
Contractile air supported head 52 is solved simultaneously be pressed because of gum cover before and after outer diameter deflection it is big, and the problem of be difficult to discharging.
Preferably, air supported head 52 is spherical structure, and spherical structure point location is accurate；It is small that diameter is equipped in 51 end of floating seat
In the circular hole of air supported head 52, the size in hole causes air supported head 52 that can about have 1/3rd exposings after being packed into, and is optimum state, with
Ensure stable contraction rebound.
Gum cover bearing press-fitting device of the present invention connects as shown in Fig. 2, positioning pedestal 2 is installed by the pedestal 1 being set below
It is connected on press bench, easy to disassemble and protection workbench.Positioning pedestal 2 is made of the locating piece of two separation, locating piece
By positioning pin 9 and 10 location and installation of installation bolt on pedestal 1.The mounting groove being located in positioning pedestal 2 is is respectively provided at
Open slot 8 on two locating pieces, the open slot 8 are located along the same line and are open opposite.Open slot 8 is U-shaped structure slot, U-shaped
The opening width of structure grooves is identical with 3 diameter length of screen box rocking bar, and the distance of two U-shaped structure slot distalmost end is equal to screen box rocking bar
3 length ensures that screen box rocking bar 3 can just be installed and is positioned between two opposite open slots 8, realizes stable position, ensure
3 assembly side of screen box rocking bar is in vertical state, in order to be pressed gum cover bearing 6.Two locating pieces being spaced apart, such as institute in Fig. 1
Show, form step structure between lower section pedestal 1 among locating piece, be installed in place when by screen box rocking bar 3, guarantee and open slot
Spaced apart between intermediate and pedestal 1 after 8 bottoms come into full contact with, this structure arrangement is not only saved material but also is convenient for
It places or takes screen box rocking bar 3, simple operation.
As shown in Figure 2, because 3 shape of screen box rocking bar is U-shaped, easily to place and taking out screen box rocking bar 3, by locating slot
Style of opening is designed as, locating piece is connected on pedestal 1 by installation bolt 10 and positioning pin 9, ensures its relatively accurate position
Put relationship, the guide holder 4 of gum cover bearing 6 is also configured as one end open, i.e., on guide holder 4 be equipped with in positioning pedestal 2
The opposite connectivity slot of open slot 8, the shape size of preferably slot are designed as equally, and opening is opposite, symmetrical to assemble, 4 seam allowance of guide holder
Place is connected by installation bolt 10 and positioning pin 9, is realized and is accurately positioned.Design realization with respect to connectivity slot is not influencing guide holder
While 4 guide function, screen box rocking bar 3 can be installed positioning to positioning pedestal 2 directly through guide holder 4, be more convenient for
Positioning and taking-up screen box rocking bar 3.
In the present invention, there are two assembly sides for the tool of screen box rocking bar 3, to ensure primary press fitting molding, can be equipped on forcing press
Two pressure heads 7 are respectively correspondingly arranged in right over two assembly sides of screen box rocking bar 3.Since two assembly sides of screen box rocking bar 3 have
There is difference in height, corresponding locating piece or pressure head 7 can be designed corresponding height by workpiece size, to ensure two pressure heads 7
Lower face is acted on simultaneously on two gum cover bearings 6 of both sides so that both ends gum cover bearing 6 is pressed into simultaneously.In design height,
The mounting surface of pressure head 7 is corresponding with 4 height of guide holder, ensures to overlap with 4 upper surface of guide holder in 7 mounting surface of pressure head during press fitting
When, gum cover bearing 6 will be press-fit into place, and without correcting, complete press fitting.Correspondingly, limitation is equipped on 2 upper surface of positioning pedestal
Gum cover bearing 6 is pressed the limiting plane of position, after being pressed downward being filled to the limiting plane, that is, is press-fit into place, and realizes double limitation,
Ensure the accurate zero deflection of press fitting.
Preferably, it sets multigroup press-loading apparatus on press bench in a row, is such as arranged in parallel two or three, can pacify
On same pedestal 1, raising that can be larger while realizing equal function is pressed production efficiency.
Harvester screen box rocking bar gum cover bearing press-fitting device of the present invention is using common mono column press as operation power, base portion
Divide and be fixed on press bench by T-slot bolt, 7 combination of pressure head is fixed on T-slot bolt in the terminal pad of oil cylinder end.
During press fitting, screen box rocking bar 3 is located in as required in the positioning pedestal 2 of tooling base part, is ensured abundant with 8 bottom surface of open slot
Contact, then two gum cover bearings 6 are placed in both sides guide holder 4, lower face and 3 assembly side of screen box rocking bar of gum cover bearing 6
Upper surface is bonded, and circumference is clamped by float positioning device 5, ensures 6 axis vertical operation table top of gum cover bearing, and upper surface is horizontal.
After confirming that positioning is correct, start forcing press, step on foot pedal, the combination of oil cylinder pushing pressure head 7 moves down, 7 mounting surface of pressure head with
When 4 upper surface of guide holder overlaps, gum cover is pressed onto position, after pressurize 5 seconds, lifts foot pedal, oil cylinder is retracted, and takes out work
Part completes a press fitting cycle.
The cutting mill screen box rocking bar gum cover bearing press-fitting device is easy to operate for being pressed screen box rocking bar gum cover bearing, production
Efficient, labor intensity is low, ensures the consistency of press fitting, eliminates the hidden danger of quality of product, is suitble to large batch of Assembling Production.
The present invention is exemplarily described above in conjunction with attached drawing, but the present invention is not limited to aforesaid way, only
It wants the improvement of the various unsubstantialities of methodology and technical solution progress using the present invention or directly applies to other occasions
, it all falls in protection scope of the present invention.
Claims (5)
1. harvester screen box rocking bar gum cover bearing press-fitting device, it is characterised in that：Including being fixed on press bench with solid
Determine the positioning pedestal (2) of screen box rocking bar (3), the assembly side of the screen box rocking bar (3) is upwards perpendicular to workbench, the positioning base
Seat (2) is equipped with the guide holder (4) covered in screen box rocking bar (3) assembly side；Gum cover bearing (6) is placed in the guide holder
(4) it in, and is pressed downward in the assembly side loaded on the screen box rocking bar (3) by being set on the pressure head right over it (7), the guide holder
(4) it is equipped with the float positioning device (5) of the contraction of floating of gum cover bearing (6) described in clamping position；The positioning dress that floats
It puts (5) and includes the multiple floating positioning pins being connected in the circumferential direction of gum cover bearing (6) periphery, the multiple floating positioning pin water
It puts down towards same center of circle clamping position；The floating positioning pin include floating seat (51) and set on the floating seat (51) one end with
The air supported head (52) of gum cover bearing (6) the excircle contact, the air supported head (52) is by being placed in the floating seat (51)
Spring (53) collapsible support, the other end of the floating seat (51) are equipped with the adjusting spiral shell for adjusting spring (53) the compression length
It follows closely (54)；The positioning pedestal (2) by two separation locating piece form, two locating piece be equipped be located along the same line and
Be open opposite open slot (8), and the guide holder (4) is equipped with opposite with set on the positioning pedestal (2) upper opening slot (8)
Connectivity slot；The open slot (8) is U-shaped structure slot, the opening width of the U-shaped structure slot and screen box rocking bar (3) diameter
Length is identical, and the distance of the two U-shaped structures slot distalmost end is equal to the length of screen box rocking bar (3)；Positioning pedestal (2) upper end
Face is equipped with the limiting plane for limiting gum cover bearing (6) the press fitting position.
2. harvester screen box rocking bar gum cover bearing press-fitting device described in accordance with the claim 1, it is characterised in that：The guide holder
(4) inner diameter is slightly larger than the diameter of the gum cover bearing (6), and air supported head (52) front end is protruded in the guide holder (4)
Wall surface.
3. harvester screen box rocking bar gum cover bearing press-fitting device described in accordance with the claim 2, it is characterised in that：The air supported head
(52) it is spherical structure, shown floating seat (51) end is equipped with the circular hole that diameter is less than the air supported head (52).
4. harvester screen box rocking bar gum cover bearing press-fitting device described in accordance with the claim 3, it is characterised in that：The positioning base
Seat (2) is connected to by pedestal (1) installation being set below on the press bench.
5. according to the harvester screen box rocking bar gum cover bearing press-fitting device described in claim 4, it is characterised in that：The forcing press
Set multigroup press-loading apparatus on workbench in a row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510126669.XA CN104668942B (en) | 2015-03-21 | 2015-03-21 | Harvester screen box rocking bar gum cover bearing press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510126669.XA CN104668942B (en) | 2015-03-21 | 2015-03-21 | Harvester screen box rocking bar gum cover bearing press-fitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104668942A CN104668942A (en) | 2015-06-03 |
| CN104668942B true CN104668942B (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510126669.XA Active CN104668942B (en) | 2015-03-21 | 2015-03-21 | Harvester screen box rocking bar gum cover bearing press-fitting device |
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| CN (1) | CN104668942B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108863A (en) * | 2017-06-22 | 2019-01-01 | 襄阳联航动力技术有限公司 | The device of pressing bearing in a kind of axis hole |
| CN107627104B (en) * | 2017-10-11 | 2023-09-08 | 成都秦川物联网科技股份有限公司 | Press mounting equipment |
| CN109353065A (en) * | 2018-09-06 | 2019-02-19 | 浙江微宏物联科技有限公司 | Novel pressure heads mechanism with floating fine tuning effect |
| CN109016626A (en) * | 2018-09-06 | 2018-12-18 | 浙江微宏物联科技有限公司 | Improved floating pressure head |
| CN113561513B (en) * | 2021-09-22 | 2021-12-17 | 潍柴雷沃重工股份有限公司 | Automatic press fitting equipment for rubber sleeves |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5442854A (en) * | 1994-12-02 | 1995-08-22 | Deere & Company | Process and apparatus for assembling multiple rolling bearing and a rotating member onto a shaft |
| JP3844412B2 (en) * | 1999-08-06 | 2006-11-15 | 本田技研工業株式会社 | Press-fitting device |
| CN201950441U (en) * | 2011-01-18 | 2011-08-31 | 力帆实业(集团)股份有限公司 | Tooling seat for pressing sliding bearing |
| CN202684790U (en) * | 2012-04-26 | 2013-01-23 | 中煤第三建设（集团）有限责任公司 | Clamping tool |
| CN202846122U (en) * | 2012-10-08 | 2013-04-03 | 河南森源电气股份有限公司 | Rapid riveting device of bearing and rotating wheel |
| CN204035947U (en) * | 2013-12-27 | 2014-12-24 | 奇瑞重工股份有限公司 | A kind of assistant pressing tool press-fited for axle end bearing |
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2015
- 2015-03-21 CN CN201510126669.XA patent/CN104668942B/en active Active
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| CN104668942A (en) | 2015-06-03 |
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Address after: No.98, Songcheng Road, Kaifeng City, Henan Province Patentee after: Henan Zoomlion Intelligent Agricultural Machinery Co.,Ltd. Address before: No.98, Songcheng Road, Kaifeng, Henan, 475001 Patentee before: HENAN RICHUANG GENERAL MACHINERY MANUFACTURE Co.,Ltd. |
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