CN217291210U - Floating type bushing press-fitting equipment - Google Patents

Abstract

The utility model provides a floating bush pressure equipment, it includes that frame, coaxial line set up in the pressure head actuating mechanism of the pressure head motion of floating pressure head and supporting component and the drive pressure head of frame both ends. The floating pressure head comprises a base with a hollow structure, a floating seat movably arranged in the base, an extrusion assembly sliding relative to the floating seat and a floating assembly arranged between the inner wall of the base and the outer wall of the floating seat; the extrusion assembly comprises an extrusion seat and a positioning rod movably arranged on the floating seat in a penetrating way; the supporting component comprises a supporting seat, a fixed seat arranged on the rack and a guide rod movably arranged on the fixed seat in a penetrating way; and the floating seat and the fixed seat are provided with limiting blocks with spherical grooves, and the extrusion seat and the supporting seat are correspondingly provided with spherical supporting blocks matched with the limiting blocks. The floating type bushing press-fitting equipment ensures the alignment precision of the bushing and the press-fitting hole position in the press-fitting process through the arrangement of the floating component and the matching of the limiting block and the spherical supporting block, and improves the press-fitting efficiency.

Description

Floating type bushing press-fitting equipment

Technical Field

The utility model relates to an automation equipment technical field, concretely relates to floating bush pressure equipment.

Background

During installation of the bushing, the bushing needs to maintain good concentricity with the casing so that the bushing is not damaged by pressing into the casing. In the traditional bushing press-fitting equipment, a positioning mechanism is adopted to align the bushing with the sleeve once before press-fitting, and after alignment, the press-fitting equipment is started to press the bushing into the sleeve. However, due to the effect of the error, misalignment of the bushing and the casing may still occur at the time of initial contact, resulting in a situation where the bushing and the casing are damaged. Therefore, there is a need for a floating bushing press-fitting apparatus that can swing in three dimensions to allow the press-fitting apparatus to successfully achieve bushing and sleeve alignment.

Disclosure of Invention

The utility model provides a floating bush pressure equipment to bush and sleeve pipe misalignment cause the technical problem of damage in solving traditional bush pressure equipment.

In order to realize one of the above-mentioned utility model purposes, an embodiment of the utility model provides a floating bush pressure equipment, it includes the frame, co-axial locates the unsteady pressure head and the supporting component and the drive at frame both ends the pressure head actuating mechanism of unsteady pressure head motion. The floating pressure head comprises a base with a hollow structure, a floating seat which is movably arranged in the base and is of a hollow structure, an extrusion assembly which is in sliding connection with the floating seat, and a floating assembly which is arranged between the inner wall of the base and the outer wall of the floating seat, wherein the extrusion assembly comprises a positioning rod which is movably arranged on the floating seat in a penetrating way and an extrusion seat which is connected with the positioning rod. The supporting component comprises a fixed seat which is arranged on the frame and has a hollow structure, a guide rod which is movably arranged on the fixed seat in a penetrating way, and a supporting seat which is connected with the guide rod. The floating seat and the fixed seat are provided with limiting blocks with spherical grooves, and the extrusion seat and the supporting seat are provided with spherical supporting blocks matched with the limiting blocks.

As a further improvement of the above technology, a supporting surface for axially supporting the floating seat is formed in the base, a first groove is formed in the supporting surface, and the floating assembly comprises a roller placed in the first groove and a first elastic member arranged between an outer wall of the floating seat and an inner wall of the base.

As a further improvement of the above technology, the base includes an end plate connected to the ram driving mechanism, a sleeve segment having a hollow structure, and a side plate mounted on an outer side wall of the sleeve segment, wherein the side plate faces one side of the floating seat and is formed with a first flange, a second flange is formed on an outer wall of the floating seat, and the second flange is movably disposed between the sleeve segment and the first flange to form an axial limit for the floating seat.

As a further improvement of the technology, the extrusion assembly comprises a second elastic piece sleeved at one end of the positioning rod and a first limit stop connected with the positioning rod.

As a further improvement of the technology, the extrusion assembly further comprises a hanging pin which is arranged on the extrusion seat and is coaxial with the extrusion seat.

As a further improvement of the technology, the supporting component comprises a third elastic part sleeved on the guide rod and a second limit stop connected with the guide rod.

As a further improvement of the above technology, the floating press-fitting device further comprises a floating platform for mounting the frame, wherein the floating platform comprises a fixed plate, a connecting seat for connecting the frame, a first direction floating mechanism arranged between the connecting plate and the connecting seat, and a second direction floating mechanism arranged between the fixed plate and the connecting plate.

As a further improvement of the above technique, the first direction floating mechanism includes a first slide rail disposed along the first direction and a frame driving mechanism that drives the frame to slide along the first direction.

As a further improvement of the above technique, the second direction floating mechanism includes a self-resetting structure connected to the fixed plate and the connecting plate, and a second slide rail that slides the connecting plate in the second direction; the self-resetting structure comprises a limiting seat arranged on the connecting plate and a movable block arranged on the fixing plate, wherein the limiting seat is provided with a limiting space in the middle, the movable block can move in the limiting space, and a resetting piece along the second direction is arranged between the movable block and the limiting seat, so that the movable block is located in the middle of the limiting space.

As a further improvement of the technology, a limiting structure used for limiting the movement range of the rack is further arranged between the connecting plate and the rack.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a floating bush pressure equipment through set up in base inner wall and the unsteady subassembly between the seat outer wall that floats with stopper and spherical support piece's cooperation has realized treating the self-align of pressure equipment hole site relatively at pressure equipment in-process bush, has avoided damaging because of the bush with treating the misalignment of pressure equipment hole site, has improved pressure equipment efficiency.

Drawings

Fig. 1 is a perspective view of a floating bushing press-fitting apparatus according to an embodiment of the present invention.

Fig. 2 is a view of the internal structure of the floating bushing press-fitting apparatus shown in fig. 1.

Fig. 3 is a perspective view of the floating ram in the floating liner press-fitting apparatus of fig. 1.

Fig. 4 is a partially enlarged view of a portion a in fig. 2.

Fig. 5 is a perspective view of a support assembly in the floating bushing press-fitting apparatus shown in fig. 1.

Fig. 6 is a partially enlarged view at B in fig. 2.

Fig. 7 is a perspective view of a floating platform in the floating liner press-fitting apparatus of fig. 1.

Fig. 8 is a perspective view of the fixed plate, the second direction floating mechanism, and the connecting plate in the floating platform shown in fig. 7.

Fig. 9 is a perspective view of fig. 8 with the fixing plate removed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the utility model, for convenience of description, the axial direction of the bushing during press mounting is set as a first direction; setting a direction which is in the same horizontal plane with the first direction and is vertical to the first direction as a second direction; and setting the direction perpendicular to the horizontal plane in which the first direction and the second direction are positioned as a third direction. It should be further noted that the terms "center", "front", "back", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, an embodiment of the present invention provides a floating bushing press-fitting device, which includes a frame 10, a floating press head 30 and a supporting component 50 coaxially disposed at two ends of the frame 10, and a press head driving mechanism 70 for driving the floating press head 30 to move. The pressure head driving mechanism 70 is installed at one end of the machine frame 10, and the movable end of the pressure head driving mechanism 70 is connected with the floating pressure head 30 to push the floating pressure head 30 to realize the press fitting of the bushing.

In the present embodiment, as shown in fig. 2 to 4, the floating ram 30 includes a base 31 having a hollow structure, a floating seat 32 movably installed in the base 31 and having a hollow structure, a pressing member 33 slidably connected with respect to the floating seat 32, and a floating member 34 disposed between an inner wall 311 of the base and an outer wall 321 of the floating seat. The floating seat 32 is radially displaceable within the base 31 by a floating assembly 34, and the compression assembly 33 is axially angularly displaceable and axially movable relative to the floating seat 32.

Further, in order to facilitate the disassembly and assembly of the floating ram 30, the base 31 includes an end plate 314 connected to the ram driving mechanism 70, a sleeve section 315 having a hollow structure, and a side plate 316 mounted to an outer side wall of the sleeve section 315. And the ram drive mechanism 70 is bolted to the end plate 314, the end plate 314 to the sleeve segment 315, and the sleeve segment 315 to the side plate 316. In other embodiments of the present invention, the end plate 314, sleeve segment 315, and side plate 316 may be connected in other ways, or may be of a one-piece design.

In this embodiment, a first flange 3161 is formed on one side of the side plate 316 facing the floating seat 32, and a second flange 3211 is formed on the floating seat outer wall 321, and the second flange 3211 is movably disposed between the sleeve segment 315 and the first flange 3161 to form an axial limit to the floating seat 32. The design of the first and second flanges 3161 and 3211 ensures radial movement of the floating seat 32 within the base 31 while also limiting movement of the floating seat 32 in the axial direction.

Wherein the side plates 316 include a first side plate 316a and a second side plate 316b mounted to the outer side wall of the sleeve segment 315 in a third direction. In other embodiments of the present invention, the installation directions of the first side plate 316a and the second side plate 316b can be set as required, and any schemes that are the same as or similar to the present embodiment are all covered by the protection scope of the present invention.

In an embodiment of the present invention, a supporting surface 312 for axially supporting the floating seat 32 is formed in the base 31, and a first groove 313 is provided on the supporting surface 312. Wherein the bearing surface 312 may be an end surface of the sleeve segment 315, i.e. the first recess 313 may be provided on the end surface of the sleeve segment 315.

In this embodiment, in order to ensure the radial movement of the floating seat 32 relative to the base 31, the floating assembly 34 comprises a roller 341 arranged in the first groove 313 and a first elastic element 342 arranged between the outer wall 321 of the floating seat and the inner wall 311 of the base. And a stopper for preventing the roller 341 from being separated from the first groove 313 is further provided on the side plate 316. Wherein the number of the first elastic elements 342 can be set as required so that the floating seat 32 can move radially relative to the base 31.

Optionally, the first elastic element 342 may be disposed between the first side plate 316a and the second side plate 316b to adjust the position of the floating seat 32 relative to the base 31 in the third direction, so as to ensure the alignment accuracy of the bushing with the hole site to be press-fitted during the press-fitting process.

In this embodiment, the pressing assembly 33 includes a positioning rod 331 movably inserted into the floating seat 32, and a pressing seat 332 connected to the positioning rod 331. In other embodiments of the present invention, the positioning rod 331 and the pressing seat 332 can also be integrated, so the positioning rod 331 and the pressing seat 332 can be disposed as required, and all the schemes the same as or similar to the present embodiment are covered in the protection scope of the present invention.

Further, the extruding assembly 33 further includes a hanging pin 334 mounted on the extruding seat 332 and disposed coaxially with the extruding seat 332. The hanging pin 334 can have a guiding function in the press-fitting process, and meanwhile, the lining can be prevented from being separated from the extrusion seat 332.

The utility model discloses an embodiment, supporting component 50 also adopts floating design to increase pressure equipment in-process bush and the alignment degree of difficulty of treating the pressure equipment hole site, also can avoid treating simultaneously that the contact surface of pressure equipment work piece and supporting component 50 is uneven leads to the bush or treats that the pressure equipment work piece damages. Specifically, as shown in fig. 2, 5 and 6, the supporting assembly 50 includes a fixed seat 51 installed on the frame 10 and having a hollow structure, a guide rod 52 movably inserted into the fixed seat 51, and a supporting seat 53 connected to the guide rod 52. Wherein, an axial angle adjusting device which can make the extrusion seat 332 and the supporting seat 53 generate axial angle movement is arranged in the floating pressure head 30 and the supporting component 50.

Specifically, as shown in fig. 4 and 6, the floating seat 32 and the fixed seat 51 are provided with a limit block 351 having a spherical groove, and the floating seat 32 and the support seat 53 are provided with a spherical support block 352 engaged with the limit block 351. Therefore, the floating pressure head 30 and the supporting component 50 can realize the axial angle floating of the extrusion seat 332 and the supporting seat 53 through the spherical extrusion action of the limiting block 351 and the spherical supporting block 352, so that the extrusion seat 332 and the supporting seat 53 can realize self-centering in the press-fitting process, and the damage of a bushing or a hole position to be press-fitted in the press-fitting process is avoided.

Further, the pressing assembly 33 further includes a second elastic member 335 sleeved on one end of the positioning rod 331 and a first limit stopper 336 connected to the positioning rod 331. The support assembly 50 further includes a third elastic member 54 fitted around the guide rod 52, and a second limit stopper 55 coupled to the guide rod 52. In this embodiment, the pressing assembly 33 and the supporting assembly 50 can be reset after the axial angle of the pressing base 332 and the supporting base 53 is shifted by the arrangement of the second elastic element 335 and the third elastic element 54, so as to ensure the alignment of the bushing with the hole site to be press-fitted.

The utility model discloses an in the embodiment, in order to monitor the pressure and the displacement change of bush pressure equipment in-process, still be provided with displacement and pressure sensing module on the pressure head actuating mechanism 70 to monitoring pressure displacement curve in the pressure equipment process, the control state of impressing, and then guarantee that pressure equipment in-process bush atress is even reasonable.

The utility model discloses an in the embodiment, in order to make frame 10 can have bigger unsteady in the bush pressure equipment in-process, the pressure equipment in-process bush of being convenient for with treat the alignment of pressure equipment hole site. As shown in fig. 1, the floating bushing press-fitting apparatus further includes a floating platform 90 for mounting the frame 10. The floating platform 90 includes a fixing plate 91, a connecting plate 93, a connecting seat 95 for connecting the frame 10, a first direction floating mechanism 97 disposed between the connecting seat 95 and the connecting plate 93, and a second direction floating mechanism 99 disposed between the connecting plate 93 and the fixing plate 91.

Further, as shown in fig. 7, the connection seat 95 includes a first connection seat 951 and a second connection seat 952 disposed at both sides of the frame 10. Of course, the connecting seat 95 may also be configured to have a plate-like structure similar to the connecting plate 93, so that all the solutions same as or similar to the present embodiment are covered in the protection scope of the present invention.

In this embodiment, the first direction floating mechanism 97 includes a first slide rail 971 disposed along the first direction and a frame driving mechanism 972 for driving the frame 10 to slide along the first direction. When the workpiece to be press-fitted is placed in place, the frame driving mechanism 972 drives the frame 10 to move, so that the supporting component 50 abuts against the workpiece to be press-fitted. After the supporting component 50 abuts against the workpiece to be press-fitted, the driving mechanism 972 stops driving the machine frame 10, that is, the machine frame 10 is in a free state in the first direction.

Further, in order to prevent the frame 10 from being separated from the first slide rail 971, a limit structure 98 for limiting the movement of the frame 10 is further disposed between the connecting plate 93 and the frame 10. Optionally, the position limiting structure 98 can be adjusted according to the moving stroke of the frame 10.

Specifically, the limiting structure 98 includes a first limiting plate 981 mounted on the connecting plate, a second limiting plate 982 mounted on the rack 10, and a limiting adjustment rod 983 disposed on the first limiting plate 981. It will be appreciated by those skilled in the art that the position-limiting structure 98 can be disposed as required, and any solution similar or identical to the embodiment is covered by the protection scope of the present invention.

In the present embodiment, as shown in fig. 8 and 9, the second direction floating mechanism 99 includes a self-resetting structure 991 coupled to the fixing plate 91 and the connecting plate 93, and a second slide rail 993 that slides the connecting plate 93 in the second direction. The self-resetting structure 991 comprises a limiting seat 9911 arranged on the connecting plate 93 and a movable block 9913 arranged on the fixing plate 91. And a limiting space 9912 capable of enabling the movable block 9913 to move is formed in the limiting seat 9911, a reset piece 9915 along the second direction is further arranged between the movable block 9913 and the inner wall of the limiting seat 9911, so that the movable block 9913 can move and reset in the limiting space 9912.

Specifically, the limit seat 9911 includes a first baffle and a second baffle that are disposed opposite to each other. The movable block 9913 set up in between first baffle and the second baffle, just reset piece 9915 set up in the both sides of movable block 9913, in order to connect the movable block 9913 with first baffle or second baffle. The restoring members 9915 may be provided as elastic members, and the number of the restoring members 9915 may be set as needed. Optionally, two reset pieces 9915 are provided on both sides of the movable block 9193.

The utility model provides a floating bush pressure equipment's use: when the workpiece to be press-fitted is placed in place, the rack driving mechanism 972 drives the rack 10 to move, so that the supporting component 50 abuts against the workpiece to be press-fitted. At this time, the frame driving mechanism 972 stops driving the frame 10, and the ram driving mechanism 70 drives the floating ram 30 to move so as to press-fit the bushing.

In the press-fitting process, after the supporting assembly 50 abuts against the workpiece to be press-fitted, the frame driving mechanism 972 stops driving the frame 10, that is, the frame 10 is in a free state in the first direction at this time. Meanwhile, the frame 10 is also in a free state in the second direction due to the arrangement of the second-direction floating mechanism 99, so that the stress of the bushing in the press mounting process is prevented from being influenced by external factors, the pressure displacement curve in the press mounting process is prevented from being influenced, and the press mounting misjudgment reject ratio is reduced.

To sum up, the beneficial effects of the utility model reside in that: the utility model provides a floating bush pressure equipment through the floating subassembly 34 set up with stopper 351 and spherical support piece 352's cooperation has realized treating the self-align of pressure equipment hole site relatively at pressure equipment in-process bush, has avoided damaging because of the bush with treating the misalignment of pressure equipment hole site, has improved pressure equipment efficiency. And the setting of second direction floating mechanism 99 and through stopping the drive of frame actuating mechanism 972 to frame 10 in the pressure equipment process make frame 10 is in free state in first direction and second direction, has avoided influencing the pressure displacement curve in the pressure equipment process because of external factors influence pressure equipment in-process, reduces the pressure equipment misjudgement defective rate.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of detailed descriptions is only for the specific description of the feasible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention should be included within the scope of the present invention.

Claims (10)

1. A floating type bushing press-fitting device is characterized by comprising a rack, a floating pressure head and a support assembly which are coaxially arranged at two ends of the rack, and a pressure head driving mechanism for driving the floating pressure head to move;

the floating pressure head comprises a base with a hollow structure, a floating seat which is movably arranged in the base and has a hollow structure, an extrusion assembly which is in sliding connection with the floating seat, and a floating assembly which is arranged between the inner wall of the base and the outer wall of the floating seat, wherein the extrusion assembly comprises a positioning rod which is movably arranged on the floating seat in a penetrating way and an extrusion seat which is connected with the positioning rod;

the supporting component comprises a fixed seat which is arranged on the frame and has a hollow structure, a guide rod which is movably arranged on the fixed seat in a penetrating way, and a supporting seat which is connected with the guide rod;

the floating seat and the fixed seat are provided with limiting blocks with spherical grooves, and the extrusion seat and the supporting seat are provided with spherical supporting blocks matched with the limiting blocks.

2. A floating bushing press-fitting apparatus as claimed in claim 1, wherein said base has a bearing surface formed therein for axially supporting said floating seat and having a first recess formed therein, said floating assembly including a roller disposed in said first recess and a first resilient member disposed between an outer wall of said floating seat and an inner wall of said base.

3. The floating bushing press-fitting device according to claim 1, wherein said base includes an end plate for connecting said ram drive mechanism, a sleeve section having a hollow structure, and a side plate mounted to an outer side wall of said sleeve section, wherein a side of said side plate facing said floating seat is formed with a first flange, a second flange is formed on an outer wall of said floating seat, and said second flange is movably disposed between said sleeve section and said first flange to form an axial stop for said floating seat.

4. A floating bushing press-fitting apparatus as claimed in claim 1, wherein said pressing assembly includes a second resilient member fitted over an end of said positioning rod and a first limit stop coupled to the positioning rod.

5. A floating bushing press-fitting apparatus as claimed in claim 1, wherein said compression assembly further includes a hanger pin mounted to and disposed coaxially with said compression seat.

6. A floating bushing press-fitting apparatus as claimed in claim 1, wherein said support assembly includes a third resilient member fitted over said guide rod and a second limit stop coupled to the guide rod.

7. A floating bushing press-fitting apparatus as claimed in claim 1, further comprising a floating platform for mounting the housing, the floating platform including a fixed plate, a connecting seat for connecting the housing, a first direction floating mechanism disposed between the connecting plate and the connecting seat, and a second direction floating mechanism disposed between the fixed plate and the connecting plate.

8. A floating bushing press-fitting apparatus as claimed in claim 7, wherein said first direction floating mechanism includes a first slide rail disposed in a first direction and a housing drive mechanism for driving said housing to slide in the first direction.

9. A floating bushing press-fitting apparatus as claimed in claim 7, characterized in that said second direction floating mechanism includes a self-resetting structure connected to the fixed plate and the connecting plate and a second slide rail for sliding the connecting plate in the second direction; the self-resetting structure comprises a limiting seat arranged on the connecting plate and a movable block arranged on the fixing plate, wherein the limiting seat is provided with a limiting space in the middle, the movable block can move in the limiting space, and a resetting piece along the second direction is arranged between the movable block and the limiting seat, so that the movable block is located in the middle of the limiting space.

10. A floating bushing press-fitting apparatus as claimed in claim 7, wherein a limit structure is further provided between the connecting plate and the housing to limit the range of motion of the housing.

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