CN114559235A - Axial deflection guide device for press fitting - Google Patents
Axial deflection guide device for press fitting Download PDFInfo
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- CN114559235A CN114559235A CN202210370337.6A CN202210370337A CN114559235A CN 114559235 A CN114559235 A CN 114559235A CN 202210370337 A CN202210370337 A CN 202210370337A CN 114559235 A CN114559235 A CN 114559235A
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- seat
- rolling element
- rolling
- pressure head
- press
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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
Abstract
The invention discloses an axial deflection guide device for press mounting, which comprises a press connecting plate, a fixed base, an upper rolling body seat, a floating connecting block, a limiting sleeve, a lower rolling body seat and a pressure head mounting plate, wherein the lower end of the press connecting plate is connected with the fixed base; the support rolling element upper seat and the rolling element lower seat are externally sleeved with a floating connecting block, the lower end of the floating connecting block is connected with a pressure head mounting plate, and the upper end and the lower end of the floating connecting block are respectively provided with a third elastic body and a second elastic body. The invention can deflect and guide the axial angle of the workpiece and the tool, so that the direction of the press mounting force coincides with the axial line, the one-time assembly qualification rate is improved, the adjustment period of the equipment is shortened, and the service lives of the equipment and the tool are prolonged.
Description
Technical Field
The invention relates to the technical field of precision press-fitting auxiliary devices, in particular to an axial deflection guide device for press fitting.
Background
In the precision press-fitting industry, the fit between the workpieces is mostly interference fit, and the assembly process is required to be completed by applying certain pressure. The processing precision of the positioning surface of the product is improved due to the consistency of the product; equipment design, processing and assembly precision; due to the influence of factors such as tool design, machining precision and the like, the parts are difficult to ensure to be coaxial with the center of the press-in hole, so that the phenomena of workpiece scratching, extrusion deformation, abrasion and the like are easy to occur in the press-fitting process.
Through massive search, the prior art is found, and the publication number is as follows: CN214134770U, a floating pressure head and pressure equipment machine is disclosed, this floating pressure head includes the positioning core axle, the connecting axle, the clamp plate, first floating structure and second floating structure, be provided with first floating structure between connecting axle and the positioning core axle, second floating structure can with by the cooperation of pressure work piece circumference, the pressure equipment deviation of work piece is pressed in first floating structure and the common adjustment of second floating structure, make the pressure equipment power obviously reduce through can first floating structure and the combined action of second floating structure, the pressure equipment precision has been improved, the damage of work piece and mounting hole or installation axle has effectively been prevented being pressed, realize multidirectional floating, and the production efficiency and the product quality are improved.
In summary, the existing axial deflection guide device has a relatively complex structure, needs to be designed by matching with the size of a pressed product, has low universality and limited adjustment deviation range, and is inconvenient to use.
Disclosure of Invention
The invention aims to provide an axial deflection guiding device for press fitting, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an axial deflection guide device for press mounting comprises a press connecting plate, a fixed base, an upper rolling body seat, a floating connecting block, a limiting sleeve, a lower rolling body seat and a pressure head mounting plate, wherein the lower end of the press connecting plate is connected with the fixed base, the lower end of the fixed base is connected with the limiting sleeve, the upper rolling body seat is mounted inside the fixed base, the lower rolling body seat is arranged on one side of the upper rolling body seat, the center of the bottom of the upper rolling body seat and the center of the top of the lower rolling body seat are both designed in a hemispherical surface structure, and a spherical rolling body is arranged between the upper rolling body seat and the lower rolling body seat;
support the rolling element seat of honour and rolling element seat outside and cup jointed the connecting block that floats down, the connecting block lower extreme that floats is connected with the pressure head mounting panel, the floating body of floating connection block, rolling element seat and pressure head mounting panel constitution down, both ends are provided with third elastomer and second elastomer respectively about the connecting block that floats, floating connection block, third elastomer and second elastomer all are located stop collar and fixed baseplate inside.
Preferably, a groove matched with the rolling element upper seat is formed in the center of the lower end of the fixed base, and the top surface of the rolling element upper seat is of a planar structure.
Preferably, a cavity is formed between the rolling body upper seat and the rolling body lower seat, and the spherical rolling body is movably arranged in the cavity;
the bottom edge of the upper rolling body seat and the top edge of the lower rolling body seat are both of a plane structure, the spherical rolling body is used for supporting the upper rolling body seat and the lower rolling body seat, and a gap is formed on the surface of one side, opposite to the upper rolling body seat and the lower rolling body seat, of the upper rolling body seat;
the upper support rolling body seat and the lower support rolling body seat are made of wear-resistant materials and used for reducing wear and prolonging service life.
Preferably, the center of the upper surface of the pressure head mounting plate is provided with a groove matched with the lower rolling element seat, and the lower surface of the lower rolling element seat is of a planar structure.
Preferably, the second elastic body and the third elastic body are in a pre-pressing state and used for maintaining the position of the floating connecting block, and the floating connecting block can deflect along the axis when being stressed.
Preferably, a first elastic body is arranged between the upper end of the pressure head mounting plate and the limiting sleeve and used for auxiliary support and position keeping.
Compared with the prior art, the invention has the beneficial effects that: the invention can deflect and guide the axial angle of the workpiece and the tool, so that the direction of the press mounting force is superposed with the axis, the qualification rate of one-time assembly is improved, the adjustment period of the equipment is shortened, and the service lives of the equipment and the tool are prolonged; and the press-fitting device is not dependent on the design of pressed parts, has strong universality and is convenient to use. And the range of the pilot angle is larger, and the application range is wider.
Drawings
FIG. 1 is a main sectional structural view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic structural view of the present invention in an axial deflection correcting state;
fig. 5 is an enlarged structural diagram of the elastomer in the axial deflection correcting state according to the present invention.
In the figure: 1. a press connecting plate; 2. a fixed base; 3. a rolling body upper seat; 4. a rolling body; 5. a floating connecting block; 6. a position limiting sleeve; 7. a rolling body lower seat; 8. a pressure head mounting plate; 9. a first elastic body; 10. a second elastomer; 11. a third elastomer; 12. correcting the rear axis; 13. axis of the initial state.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, two embodiments of the present invention are provided:
the first embodiment is as follows:
an axial deflection guide device for press mounting comprises a press connecting plate 1, a fixed base 2, a rolling element upper seat 3, a floating connecting block 5, a limiting sleeve 6, a rolling element lower seat 7 and a pressure head mounting plate 8, wherein the lower end of the press connecting plate 1 is connected with the fixed base 2, the lower end of the fixed base 2 is connected with the limiting sleeve 6, a groove matched with the rolling element upper seat 3 is formed in the center of the lower end of the fixed base 2, and the top surface of the rolling element upper seat 3 is of a planar structure;
rolling element seat of honour 3 installs inside fixed baseplate 2, 3 one side of rolling element seat of honour is provided with rolling element seat of honour 7, 3 bottom centers of rolling element seat of honour all adopt the design of hemisphere face structure with 7 top centers of rolling element seat of honour 7, be provided with spherical rolling element 4 between rolling element seat of honour 3 and the rolling element seat of honour 7, the recess with 7 looks adaptations of rolling element seat of honour is seted up at pressure head mounting panel 8 upper surface center, and 7 lower surfaces of rolling element seat of honour are planar structure, in the time of the in-service use, fix the device to the depression bar of press through press connecting plate 1, the pressure head is fixed to on the pressure head mounting panel 8 of bottom, pressure head mounting panel 8 bottom is equipped with the tang, can guarantee the pressure head and press equipment with the axial deflection and lead the device concentric.
Constitute the cavity between rolling element seat 3 and the rolling element seat 7, and spherical rolling element 4 movable mounting is inside the cavity, and rolling element seat 3 bottom edge and rolling element seat 7 top edge are planar structure down, and spherical rolling element 4 is used for supporting rolling element seat 3 and rolling element seat 7 down, and supports rolling element seat 3 and rolling element seat 7 relative side surface and have the clearance down, supports rolling element seat 3 and rolling element seat 7 and all adopts wear-resistant material preparation down for reduce wearing and tearing, increase of service life.
When the axis of the press-fitting part is not coincident with the axis of the axial deflection guide device for press fitting, the pressure head can apply a lateral force to the pressure head mounting plate 8, and the pressure head mounting plate 8 drives the rolling body lower seat 7 and the floating connecting block 5 to deflect along the center of the rolling body 4.
Example two:
the supporting rolling element upper seat 3 and the rolling element lower seat 7 are externally sleeved with a floating connecting block 5, the lower end of the floating connecting block 5 is connected with a pressure head mounting plate 8, the floating connecting block 5, the rolling element lower seat 7 and the pressure head mounting plate 8 form a floating body, the upper end and the lower end of the floating connecting block 5 are respectively provided with a third elastic body 11 and a second elastic body 10, the floating connecting block 5, the third elastic body 11 and the second elastic body 10 are respectively positioned in a limiting sleeve 6 and a fixed base 2, the second elastic body 10 and the third elastic body 11 are both in a prepressing state and are used for keeping the position of the floating connecting block 5, the floating connecting block 5 can deflect along the axial line when being stressed, a first elastic body 9 is arranged between the upper end of the pressure head mounting plate 8 and the limiting sleeve 6 and is used for auxiliary support and position keeping, the first elastic body 9, the second elastic body 10 and the third elastic body 11 are compressed when deflecting, until the axial line of a press-mounting part coincides with the axial deflection guiding device for press mounting, the axis of the guide device is changed into a state of a guide rear axis 12, after press fitting is completed, the first elastic body 9, the second elastic body 10 and the third elastic body 11 are reset, so that the pressure head mounting plate 8, the rolling body lower seat 7 and the floating connecting block 5 return to the original positions, and the axis of the guide device is reset to an axis 13 in an initial state.
The working principle is as follows: when in actual use, the device is fixed on a pressure rod of a press through a press connecting plate 1, a pressure head is fixed on a pressure head mounting plate 8 at the bottom, and a spigot is arranged at the bottom of the pressure head mounting plate 8, so that the pressure head and the axial deflection guide device for press mounting can be concentric. When the axis of the press-fitting part is not coincident with the axis of the axial deflection guide device for press-fitting, the pressure head can apply a lateral force to the pressure head mounting plate 8, the pressure head mounting plate 8 drives the rolling body lower seat 7 and the floating connecting block 5 to deflect along the center of the rolling body 4, the first elastic body 9, the second elastic body 10 and the third elastic body 11 are compressed while deflecting until the axis of the press-fitting part is coincident with the axis of the axial deflection guide device for press-fitting, and the axis of the guide device is changed into a state of guiding the rear axis 12. After the press fitting is completed, the first elastic body 9, the second elastic body 10 and the third elastic body 11 are reset, so that the pressure head mounting plate 8, the rolling body lower seat 7 and the floating connecting block 5 return to the original positions, and the axis of the pilot device is reset to the axis 13 in the initial state.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a pressure equipment is with positive device is led in axial deflection, includes press connection board (1), fixed baseplate (2), rolling element seat of honour (3), floating connection block (5), stop collar (6), rolling element seat (7) and pressure head mounting panel (8) down, its characterized in that: the lower end of the press connecting plate (1) is connected with a fixed base (2), the lower end of the fixed base (2) is connected with a limiting sleeve (6), the rolling element upper seat (3) is installed inside the fixed base (2), a rolling element lower seat (7) is arranged on one side of the rolling element upper seat (3), the center of the bottom of the rolling element upper seat (3) and the center of the top of the rolling element lower seat (7) are both designed in a hemispherical structure, and a spherical rolling element (4) is arranged between the rolling element upper seat (3) and the rolling element lower seat (7);
support floating connection piece (5) of having cup jointed under rolling element seat (7) outside on rolling element seat (3), floating connection piece (5) lower extreme is connected with pressure head mounting panel (8), floating connection piece (5), rolling element seat (7) constitute the floating body with pressure head mounting panel (8) down, both ends are provided with third elastomer (11) and second elastomer (10) respectively about floating connection piece (5), third elastomer (11) and second elastomer (10) all are located stop collar (6) and fixed baseplate (2) inside.
2. The axial deflection guide device for press fitting according to claim 1, wherein: the center of the lower end of the fixed base (2) is provided with a groove matched with the rolling element upper seat (3), and the top surface of the rolling element upper seat (3) is of a plane structure.
3. The axial deflection guide device for press fitting according to claim 1, wherein: a cavity is formed between the rolling body upper seat (3) and the rolling body lower seat (7), and the spherical rolling body (4) is movably arranged in the cavity;
the bottom edge of the rolling element upper seat (3) and the top edge of the rolling element lower seat (7) are both of a plane structure, the spherical rolling element (4) is used for supporting the rolling element upper seat (3) and the rolling element lower seat (7), and a gap exists between the surfaces of the opposite sides of the rolling element upper seat (3) and the rolling element lower seat (7);
the supporting rolling body upper seat (3) and the rolling body lower seat (7) are both made of wear-resistant materials and used for reducing wear and prolonging service life.
4. The axial deflection guiding device for press fitting according to claim 1, wherein: the pressure head mounting panel (8) upper surface center offer with rolling element seat (7) looks adaptation's recess down, and rolling element seat (7) lower surface is planar structure down.
5. The axial deflection guiding device for press fitting according to claim 1, wherein: the second elastic body (10) and the third elastic body (11) are both in a pre-pressing state and used for keeping the position of the floating connecting block (5), and the floating connecting block (5) can deflect along the axis when stressed.
6. The axial deflection guide device for press fitting according to claim 1, wherein: be provided with first elastomer (9) between pressure head mounting panel (8) upper end and stop collar (6) for auxiliary stay and position hold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210370337.6A CN114559235A (en) | 2022-04-09 | 2022-04-09 | Axial deflection guide device for press fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210370337.6A CN114559235A (en) | 2022-04-09 | 2022-04-09 | Axial deflection guide device for press fitting |
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| Publication Number | Publication Date |
|---|---|
| CN114559235A true CN114559235A (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210370337.6A Pending CN114559235A (en) | 2022-04-09 | 2022-04-09 | Axial deflection guide device for press fitting |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202240378U (en) * | 2011-08-25 | 2012-05-30 | 上海新松机器人自动化有限公司 | Self-adaptive centering floating pressure head device |
| JP5981602B1 (en) * | 2015-04-16 | 2016-08-31 | 株式会社エイテック | Floating unit |
| CN107598528A (en) * | 2017-10-19 | 2018-01-19 | 武汉联航机电有限公司 | A kind of floating type pressing machine |
| CN211916014U (en) * | 2020-03-27 | 2020-11-13 | 上海新松机器人有限公司 | Floating press-fitting mechanism |
| CN214134770U (en) * | 2020-12-21 | 2021-09-07 | 上海骄成超声波技术股份有限公司 | Floating pressure head and press-mounting machine |
-
2022
- 2022-04-09 CN CN202210370337.6A patent/CN114559235A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202240378U (en) * | 2011-08-25 | 2012-05-30 | 上海新松机器人自动化有限公司 | Self-adaptive centering floating pressure head device |
| JP5981602B1 (en) * | 2015-04-16 | 2016-08-31 | 株式会社エイテック | Floating unit |
| CN107598528A (en) * | 2017-10-19 | 2018-01-19 | 武汉联航机电有限公司 | A kind of floating type pressing machine |
| CN211916014U (en) * | 2020-03-27 | 2020-11-13 | 上海新松机器人有限公司 | Floating press-fitting mechanism |
| CN214134770U (en) * | 2020-12-21 | 2021-09-07 | 上海骄成超声波技术股份有限公司 | Floating pressure head and press-mounting machine |
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