CN219767964U - Floating clamping device - Google Patents
Floating clamping device Download PDFInfo
- Publication number
- CN219767964U CN219767964U CN202320068717.4U CN202320068717U CN219767964U CN 219767964 U CN219767964 U CN 219767964U CN 202320068717 U CN202320068717 U CN 202320068717U CN 219767964 U CN219767964 U CN 219767964U
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- Prior art keywords
- clamping
- screw rod
- floating
- block
- guide rail
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- 230000008878 coupling Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 claims abstract description 14
- 230000003028 elevating effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a floating clamping device. Based on the clamping base, the clamping floating guide rail base is fixed on the clamping base, and the clamping plate is arranged on the clamping floating guide rail base in a sliding and locking manner; the screw rod is rotatably supported and installed on the clamping plate, the output shaft of the motor is horizontally parallel to the screw rod, and the output shaft of the motor is synchronously connected with one end of the screw rod through a universal coupling; the screw rod is provided with two sections of thread sections which are oppositely and symmetrically arranged in the rotation direction, each section of thread section is provided with a nut sliding block through a thread sleeve, two clamping block mounting plates are fixed on the two nut sliding blocks and simultaneously slidably mounted on the clamping plate, and clamping jaws are fixed on each clamping block mounting plate. The utility model solves the problem of center offset when clamping workpieces, can realize automatic centering by utilizing the sliding guide rail, is adjustable, has strong universality, does not need frequent manual adjustment, improves the working efficiency and reduces errors.
Description
Technical Field
The utility model relates to a clamping structure of a rotor, in particular to a floating clamping device.
Background
In the manufacturing process of the motor rotor, the machine tool spindle, the fan impeller, the steam turbine rotor, the automobile parts, the air conditioner fan blades and other rotating parts, the rotating parts can be stably and normally operated through balancing. The unbalance amount of the rotor is corrected according to the data measured by the balancing machine, so that the mass distribution of the rotor relative to the axis can be improved, and the vibration generated when the rotor rotates or the vibration force acting on the bearing is reduced to be within an allowable range. Thus, balancing machines are indispensable devices for reducing vibrations, improving performance and improving quality. Typically, the balancing of the rotor includes two steps of measuring and correcting the amount of unbalance. During correction of the automatic balancing machine, workpieces need to be clamped in both drilling and welding, and accuracy is seriously affected if the center of the clamp is not aligned with the center of the workpiece.
In a typical clamping mechanism, a workpiece is required to be placed on a base fixing platform. The rotation axis position of the rotor is fixed, the clamp base is required to be continuously adjusted in actual clamping, the center of the clamp base is centered with the center of a workpiece, if the scheme is adopted, the workload is additionally increased, the whole beat is prolonged, the efficiency is reduced, and a plurality of inconveniences are caused.
Disclosure of Invention
In order to solve the problems in the background art, the utility model provides a practical floating clamping device, and the centering can be automatically completed without manual adjustment during clamping of a clamp.
The technical scheme adopted by the utility model is as follows:
the device is based on a clamping base, the clamping floating guide rail base is fixed on the clamping base through clamping elevating blocks at two sides, and a clamping plate is arranged on the clamping floating guide rail base in a sliding and locking manner; the screw rod is horizontally rotatably supported and installed on the clamping plate through a clamping screw rod supporting side support and a clamping screw rod fixing side support, the clamping screw rod fixing side support is fixedly connected with a clamping screw rod motor installation block through a clamping screw rod motor equal-height block, a motor is installed on the clamping screw rod motor installation block, an output shaft of the motor is horizontally parallel to the screw rod, and an output shaft of the motor is synchronously connected with one end of the screw rod through a universal coupling;
the screw rod is provided with two sections of thread sections which are oppositely and symmetrically arranged in the rotation direction, each section of thread section is provided with a nut sliding block through a thread sleeve, two clamping block mounting plates are respectively fixed on the two nut sliding blocks of the two sections of thread section, meanwhile, the two clamping block mounting plates are respectively and slidingly mounted on the clamping plate, and each clamping block mounting plate is fixedly provided with a clamping jaw for clamping a workpiece.
A pair of clamping elevating blocks are symmetrically and vertically arranged on two sides of the upper surface of the clamping base, and a sliding groove is reserved on the bottom surface of the clamping floating guide rail base and is locked on the pair of clamping elevating blocks by screws.
The clamping floating guide rail base is fixedly provided with a floating bottom plate guide rail, and a floating bottom plate sliding block which is embedded in a matched manner with the floating bottom plate guide rail is fixedly arranged on the bottom surface of the clamping plate.
The floating bottom plate sliding block is provided with a pneumatic locking block, and the pneumatic locking block is used for locking the movement of the floating bottom plate sliding block on the floating bottom plate guide rail.
The screw rod is sleeved with the clamping screw rod supporting side support and the clamping screw rod fixing side support through rolling bearings, and the clamping screw rod supporting side support and the clamping screw rod fixing side support are fixed on the clamping plate.
The clamping screw motor mounting block and the clamping screw fixing side support are provided with a universal coupling, an output shaft of the motor penetrates through the clamping screw motor mounting block and then is connected with one end of the universal coupling, and one end of the screw penetrates through the clamping screw fixing side support and then is connected with the other end of the universal coupling.
The clamping plate on the side of the screw rod is fixedly provided with a clamping guide rail, the clamping slide block is slidably embedded on the clamping guide rail, and the clamping slide block is fixed on the bottom surface of the clamping block mounting plate.
The beneficial effects of the utility model are as follows:
the utility model solves the problem of center offset when clamping workpieces, can realize automatic centering by utilizing the sliding guide rail, can automatically adjust in a certain guide rail travel range when measuring different workpieces, has strong universality, does not need frequent manual adjustment, improves the working efficiency and reduces errors.
Drawings
FIG. 1 is a schematic view of a floating clamp device of the present utility model.
Fig. 2 is an exploded view of the floating clamp device of the present utility model.
In the figure: clamping base (1), clamping block (2), clamping floating guide rail base (3), floating bottom plate guide rail (4), floating bottom plate slider (5), pneumatic locking block (6), grip block (7), clamping guide rail (8), clamping slider (9), clamping screw support side support (10), antifriction bearing (11), screw (12), clamping screw fixed side support (13), clamping screw motor equal altitude block (14), universal joint (15), clamping screw motor installation block (16), motor (17), grip block installation plate (18), left (right) clamping jaw (19).
Detailed Description
The utility model will be described in further detail with reference to the accompanying drawings and specific examples.
The utility model comprises a clamping part and a clamping platform floating balance device, wherein the clamping platform floating balance device is mainly realized by clamping a floating guide rail at the bottom.
As shown in fig. 1 and 2, based on a clamping base 1, a clamping floating guide rail base 3 is fixed on the clamping base 1 through clamping elevating blocks 2 on two sides, and a clamping plate 7 is arranged on the clamping floating guide rail base 3 in a sliding and locking manner;
the screw rod 12 is horizontally rotatably supported and installed on the clamping plate 7 through a clamping screw rod supporting side support 10 and a clamping screw rod fixing side support 13, the clamping screw rod fixing side support 13 is fixedly connected with a clamping screw rod motor installation block 16 through a clamping screw rod motor equal-height block 14, a motor 17 is installed on the clamping screw rod motor installation block 16, an output shaft of the motor 17 is horizontally parallel to the screw rod 12, and an output shaft of the motor 17 is synchronously connected with one end of the screw rod 12 through a universal coupling 15;
the screw rod 12 is provided with two sections of thread sections which are oppositely and symmetrically arranged in the rotation direction, each section of thread section is provided with a nut sliding block through a thread sleeve, two clamping block mounting plates 18 are respectively fixed on the two nut sliding blocks of the two sections of thread section, meanwhile, the two clamping block mounting plates 18 are respectively and slidingly mounted on the clamping plate 7, and a clamping jaw 19 for clamping a workpiece is respectively fixed on each clamping block mounting plate 18.
A pair of clamping elevating blocks 2 are symmetrically and vertically arranged on two sides of the upper surface of the clamping base 1, and a chute is reserved on the bottom surface of the clamping floating guide rail base 3 and is locked on the pair of clamping elevating blocks 2 by screws.
Two floating bottom plate guide rails 4 are fixedly arranged on the clamping floating guide rail base 3, a floating bottom plate sliding block 5 which is matched with the floating bottom plate guide rails 4 in an embedded mode is fixedly arranged on the bottom surface of the clamping plate 7, and the clamping plate 7 can move along the floating bottom plate guide rails 4 in a certain stroke through the cooperation of the floating bottom plate guide rails 4 and the floating bottom plate sliding block 5.
Meanwhile, a pneumatic locking block 6 is arranged on the floating bottom plate sliding block 5, and the pneumatic locking block 6 is used for locking the floating bottom plate sliding block 5 to move on the floating bottom plate guide rail 4.
The pneumatic locking block 6 is fixedly connected with the bottom surface of the clamping plate 7, the pneumatic locking block 6 is also movably embedded on the floating bottom plate guide rail 4, a bolt is arranged on the pneumatic locking block 6, and the bolt can be screwed and connected to the side surface of the floating bottom plate guide rail 4 so as to be relatively fixed.
The screw rod 12 is respectively sleeved with a clamping screw rod supporting side support 10 and a clamping screw rod fixing side support 13 through rolling bearings 11, and the clamping screw rod supporting side support 10 and the clamping screw rod fixing side support 13 are fixed on the clamping plate 7.
A universal coupling 15 is arranged between the clamping screw motor mounting block 16 and the clamping screw fixing side support 13, an output shaft of the motor 17 passes through the clamping screw motor mounting block 16 and then is connected with one end of the universal coupling 15, and one end of the screw 12 passes through the clamping screw fixing side support 13 and then is connected with the other end of the universal coupling 15.
Clamping guide rails 8 are fixedly arranged on clamping plates 7 on two side sides of the screw rod 12, clamping sliding blocks 9 are slidably embedded on the clamping guide rails 8, and the clamping sliding blocks 9 are fixed on the bottom surface of a clamping block mounting plate 18. The two clamping block mounting plates 18 are slidably mounted on the clamping rail 8 by means of a respective clamping slide 9.
The lower surface of the clamping plate 7 is fixed with a floating slide block, two groups of clamping guide rails 8 are symmetrically arranged on the upper surface of the clamping plate, a clamping slide block 9, a clamping screw supporting side support 10 and a clamping screw fixing side support 13 are used for supporting a screw 12, two ends of the screw are respectively provided with a rolling bearing 11, the right end of the illustrated screw is sequentially provided with a clamping screw motor equal-height block 14, a universal coupling 15, a clamping screw motor mounting block 16, a motor 17, a clamping block mounting plate 18 and left and right clamping jaws 19 which are symmetrically arranged on the slide block.
The screw rod 12 is provided with opposite thread sections, the motor is matched with the screw rod, the screw rod can rotate in a forward and reverse direction, the two clamping block mounting plates 18 are driven to move in opposite directions or to move in a separating mode, the left clamping jaw and the right clamping jaw are driven to move synchronously, the strokes are the same, and the directions are opposite, so that the clamping and releasing of the device can be realized.
The implementation working process of the utility model is as follows:
t1: in this example implementation, the frame may be mounted to other stations by suitable connection means, and the center of the floating platform is adjusted so that the left and right strokes of the floating floor slider 5 are substantially the same.
T2: before the mechanism clamps, the left clamping jaw and the right clamping jaw are in an open state, so that interference with a workpiece to be processed or other parts of a balancing machine, which are abbreviated as workpieces below, is avoided when the mechanism does not work.
T3: when clamping work is needed, the motor 17 drives the screw rod to rotate, the left clamping jaw and the right clamping jaw move in opposite directions, and when the mechanism is not clamped, the whole floating platform does not act.
T4: the center of the workpiece is fixed, and when the clamping jaw starts to clamp the workpiece, taking a left clamping jaw as an example:
if the left clamping jaw is contacted with the workpiece, the center of the workpiece is locked and fixed, the clamping floating platform shifts leftwards to clamp the workpiece, at the moment, the center of the floating platform is collinear with the center of the workpiece, and the pneumatic locking block 6 is used for locking the guide rail to fix the floating platform, so that the clamping action is completed.
The right clamping jaw is similar, and clamping of all workpieces in the travel range of the floating guide rail sliding block can be met through the mode, and manual participation in adjustment is not needed.
Claims (7)
1. A floating clamping device, characterized in that: the device is based on a clamping base (1), a clamping floating guide rail base (3) is fixed on the clamping base (1) through clamping elevating blocks (2) at two sides, and a clamping plate (7) is arranged on the clamping floating guide rail base (3) in a sliding and locking manner; the screw rod (12) is horizontally rotatably supported and installed on the clamping plate (7) through the clamping screw rod supporting side support (10) and the clamping screw rod fixing side support (13), the clamping screw rod fixing side support (13) is fixedly connected with the clamping screw rod motor installation block (16) through the clamping screw rod motor equal-height block (14), the motor (17) is installed on the clamping screw rod motor installation block (16), the output shaft of the motor (17) is horizontally parallel to the screw rod (12), and the output shaft of the motor (17) is synchronously connected with one end of the screw rod (12) through the universal coupling (15);
two sections of thread sections which are oppositely and symmetrically arranged in the rotation direction are arranged on the screw rod (12), each section of thread section is provided with a nut sliding block through a thread sleeve, two clamping block mounting plates (18) are respectively fixed on the two nut sliding blocks of the two sections of thread section, meanwhile, the two clamping block mounting plates (18) are respectively and slidingly mounted on the clamping plate (7), and a clamping jaw (19) for clamping a workpiece is respectively fixed on each clamping block mounting plate (18).
2. A floating clamp device according to claim 1, wherein:
a pair of clamping elevating blocks (2) are symmetrically and vertically arranged on two sides of the upper surface of the clamping base (1), and a chute is reserved on the bottom surface of the clamping floating guide rail base (3) and is locked on the pair of clamping elevating blocks (2) by screws.
3. A floating clamp device according to claim 1, wherein:
the floating bottom plate guide rail (4) is fixedly arranged on the clamping floating guide rail base (3), and the floating bottom plate sliding block (5) which is matched with the floating bottom plate guide rail (4) and is embedded is fixedly arranged on the bottom surface of the clamping plate (7).
4. A floating clamp device according to claim 3, wherein:
the floating bottom plate sliding block (5) is provided with a pneumatic locking block (6), and the pneumatic locking block (6) is used for locking the movement of the floating bottom plate sliding block (5) on the floating bottom plate guide rail (4).
5. A floating clamp device according to claim 1, wherein:
the screw rod (12) is sleeved with the clamping screw rod supporting side support (10) and the clamping screw rod fixing side support (13) through rolling bearings (11), and the clamping screw rod supporting side support (10) and the clamping screw rod fixing side support (13) are fixed on the clamping plate (7).
6. A floating clamp device according to claim 1, wherein:
the universal coupling (15) is arranged between the clamping screw motor mounting block (16) and the clamping screw fixing side support (13), an output shaft of the motor (17) penetrates through the clamping screw motor mounting block (16) and then is connected with one end of the universal coupling (15), and one end of the screw (12) penetrates through the clamping screw fixing side support (13) and then is connected with the other end of the universal coupling (15).
7. A floating clamp device according to claim 1, wherein:
the clamping guide rail (8) is fixedly arranged on the clamping plate (7) at the side of the screw rod (12), the clamping slide block (9) is slidably embedded on the clamping guide rail (8), and the clamping slide block (9) is fixed on the bottom surface of the clamping block mounting plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320068717.4U CN219767964U (en) | 2023-01-10 | 2023-01-10 | Floating clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320068717.4U CN219767964U (en) | 2023-01-10 | 2023-01-10 | Floating clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219767964U true CN219767964U (en) | 2023-09-29 |
Family
ID=88130295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320068717.4U Active CN219767964U (en) | 2023-01-10 | 2023-01-10 | Floating clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219767964U (en) |
-
2023
- 2023-01-10 CN CN202320068717.4U patent/CN219767964U/en active Active
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