CN220145879U - Mechanical and electrical positioning device - Google Patents
Mechanical and electrical positioning device Download PDFInfo
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- CN220145879U CN220145879U CN202321062367.7U CN202321062367U CN220145879U CN 220145879 U CN220145879 U CN 220145879U CN 202321062367 U CN202321062367 U CN 202321062367U CN 220145879 U CN220145879 U CN 220145879U
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- 238000004804 winding Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a mechanical and electrical positioning device, which comprises a positioning table and a plurality of groups of positioning clamping blocks arranged at the top of the positioning table, wherein sliding grooves for guiding sliding tracks of the plurality of groups of positioning clamping blocks are symmetrically arranged at the top of the positioning table, a driving assembly for driving the plurality of groups of positioning clamping blocks to synchronously move centrally is arranged at the bottom of the positioning table, and a plurality of groups of bullnose bearings are embedded in the top of the positioning table. This mechanical electric positioner through set up multiunit location clamp splice on the locating bench symmetry to utilize drive assembly drive, but quick clamping and the location work piece placed in the middle, the setting of two round apex angles in location clamp splice side, only a little centre gripping when being planar clamp splice and work piece cambered surface contact for current terminal surface, it has increased the grip point, and the centre gripping is more stable, and sets up the protection pad and also can protect the work piece surface, and this positioner still can realize the measurement to work piece adjustment angle simultaneously, is convenient for more accurate clamping.
Description
Technical Field
The utility model relates to the technical field of positioning devices, in particular to a mechanical and electrical positioning device.
Background
When some existing workpieces are machined, clamping and positioning are needed by using an electric positioning structure, for example, a mechanical electric positioning device disclosed in China patent CN217168184U drives four movable disks to rotate together through a gear, and the centering of a positioning clamping plate is driven to clamp by utilizing a guide groove on the positioning clamping plate, but the moving range of the positioning clamping plate depends on the sizes of the gear and the movable disks, when a large adjusting range is needed, the sizes of the gear and the movable disks are required to be increased, so that the overall cost is increased, the clamping surface of the existing positioning and clamping structure is basically a plane, and when an arc surface structure is clamped, the actual contact surface is only a line, the stress is more concentrated, so that the problem of unstable clamping is easy to occur, and the surface of the workpiece is easy to damage.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the mechanical and electrical positioning device, which solves the problems that the clamping and positioning structure of the existing workpiece is unstable and the surface of the workpiece is easy to damage due to the fact that the clamping surface of the existing positioning and clamping structure is basically a plane and the clamping surface of the existing positioning and clamping structure is not only easy to clamp and unstable, but also all structural dimensions are required to be increased integrally if a larger clamping range is required.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the mechanical and electrical positioning device comprises a positioning table and a plurality of groups of positioning clamping blocks arranged at the top of the positioning table, wherein sliding grooves for guiding sliding tracks of the plurality of groups of positioning clamping blocks are symmetrically formed in the top of the positioning table, a driving assembly for driving the plurality of groups of positioning clamping blocks to synchronously move centrally is arranged at the bottom of the positioning table, a plurality of groups of bullnose bearings are embedded in the top of the positioning table, and a measuring assembly for detecting the rotation angle of a workpiece is arranged at the periphery of the top of the positioning table;
the both sides of the one side of location clamp splice towards the location platform center all set up to the face apex angle of circle, and this face of location clamp splice is pasted and is had the protection pad.
Preferably, the driving assembly comprises a winding wheel which is rotationally connected to the center of the bottom of the positioning table, a plurality of groups of steel wires are wound on the surface of the winding wheel in the same direction, a sliding block penetrating through the sliding groove is fixedly connected to the bottom of the positioning clamping block, and one end of each steel wire is fixedly connected with the sliding block.
Preferably, the rubber band is bound to the bottom of slider, and the other end fixedly connected with link of rubber band, locating bench bottom just is located the one end fixedly connected with string post that the rolling wheel was kept away from to the spout, and the link can overlap and establish on string post.
Preferably, the positioning table bottom is fixedly connected with a bottom plate, the edge of the positioning table bottom is provided with a frame for supporting the bottom plate, the center of the positioning table bottom is fixedly connected with a servo motor, and an output shaft of the servo motor is fixedly connected with the center of the winding wheel through a torque sensor.
Preferably, the positioning table is circular, the measuring assembly comprises annular scale marks printed on the periphery of the top of the positioning table, and further comprises a sliding seat arranged at the edge of the top of the positioning table, and a laser pointing to the center of the positioning table is clamped at the top of the sliding seat through an elastic buckle.
Preferably, the sliding seat comprises a flat plate at the top and an arc plate at the outer side of the side laminating positioning table, an arc sliding bar is arranged at the bottom of the flat plate, and an annular groove matched with the arc sliding bar is formed in the edge of the top of the positioning table.
Advantageous effects
The utility model provides a mechanical and electrical positioning device. Compared with the prior art, the method has the following beneficial effects:
(1) This mechanical electric positioner through set up multiunit location clamp splice on the locating bench symmetry to utilize drive assembly drive, but quick clamping and the location work piece placed in the middle, the setting of two places round apex angles of location clamp splice side, only a little centre gripping when being planar clamp splice and work piece cambered surface contact for current terminal surface, it has increased the grip point, and the centre gripping is more stable, and sets up the protection pad and also can protect the work piece surface, and this positioner still can realize the measurement to work piece adjustment angle simultaneously, is convenient for more accurate clamping.
(2) This mechanical electric positioner draws the mode that the location clamp splice was drawn close through setting up the rolling wheel rolling steel wire to hold the work piece, simple structure is with low costs, and the adjustable range of location clamp splice removal centre gripping is bigger, and the commonality is stronger, adopts the rubber band to be connected with the outside, still can realize quick automatic expansion effect that resets, and the rubber band is also convenient for change, convenient to use.
(3) According to the mechanical electric positioning device, the sliding seat capable of sliding along the edge of the positioning table in the circumferential direction is arranged, the laser arranged on the sliding seat is matched with the circumferential scale mark on the positioning table, the angle of the front deflection angle and the rear deflection angle of the appointed mark point on the rotating workpiece can be detected relatively accurately, the circumferential scale mark is printed on the outermost periphery and cannot be covered by the workpiece, the lines can be densely marked without being marked, the peripheral scale mark can be prolonged to the edge of the workpiece by laser irradiation, the influence of the size of the workpiece is avoided, and the mechanical electric positioning device is convenient to use.
Drawings
FIG. 1 is a top view of the structure of the present utility model;
FIG. 2 is a top view of a positioning clamp block of the present utility model;
FIG. 3 is a bottom view of the inside structure of the positioning table of the present utility model;
FIG. 4 is an enlarged view of a portion of the utility model at A in FIG. 3;
fig. 5 is a front view of the sliding seat and the structure thereon according to the present utility model.
In the figure: 1-positioning table, 2-positioning clamp splice, 21-round top angle, 22-protection pad, 3-spout, 4-drive assembly, 41-reel, 42-steel wire, 43-slider, 44-rubber band, 45-link, 46-hanging post, 47-servo motor, 5-bull's eye bearing, 6-measuring assembly, 61-circumferential scale mark, 62-sliding seat, 63-elastic buckle, 64-laser, 65-arc slide bar, 66-annular groove, 7-bottom plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides three technical schemes:
fig. 1-2 show a first embodiment: the mechanical and electrical positioning device comprises a positioning table 1 and a plurality of groups of positioning clamping blocks 2 arranged at the top of the positioning table, wherein sliding grooves 3 for guiding sliding tracks of the plurality of groups of positioning clamping blocks 2 are symmetrically formed in the top of the positioning table 1, a driving assembly 4 for driving the plurality of groups of positioning clamping blocks 2 to synchronously move centrally is arranged at the bottom of the positioning table 1, a plurality of groups of bullnose bearings 5 are embedded in the top of the positioning table 1, and a measuring assembly 6 for detecting the rotation angle of a workpiece is arranged at the periphery of the top of the positioning table 1;
both sides of one surface of the positioning clamping block 2 facing the center of the positioning table are provided with round top angles 21, and a protection pad 22 is stuck to the surface of the positioning clamping block 2.
Through set up multiunit location clamp splice 2 on locating bench 1 symmetry to utilize drive assembly 4 drive, but quick clamping and the location work piece placed in the middle, the setting of two round apex angles 21 in location clamp splice 2 side, only a little centre gripping when being planar clamp splice and work piece cambered surface contact for current terminal surface, it has increased the clamping point, and the centre gripping is more stable, and sets up protection pad 22 and also can protect the work piece surface, and this positioner still can realize the measurement to work piece adjustment angle simultaneously, is convenient for more accurate clamping.
Fig. 3-4 show a second embodiment, which differs from the first embodiment mainly in that: the driving assembly 4 comprises a winding wheel 41 which is rotationally connected to the center of the bottom of the positioning table 1, a plurality of groups of steel wires 42 are wound on the surface of the winding wheel 41 in the same direction, a sliding block 43 penetrating through the sliding groove 3 is fixedly connected to the bottom of the positioning clamp block 2, and one end of each steel wire 42 is fixedly connected with the sliding block 43.
The rubber band 44 is bound at the bottom of the sliding block 43, the hanging ring 45 is fixedly connected to the other end of the rubber band 44, the hanging column 46 is fixedly connected to the bottom of the positioning table 1 and at one end, far away from the winding wheel 41, of the sliding groove 3, and the hanging ring 45 can be sleeved on the hanging column 46.
The bottom of the positioning table 1 is fixedly connected with a bottom plate 7, the edge of the bottom of the positioning table 1 is provided with a frame for supporting the bottom plate 7, the center of the bottom of the positioning table 1 is fixedly connected with a servo motor 47, and an output shaft of the servo motor 47 is fixedly connected with the center of the winding wheel 41 through a torque sensor.
The workpiece is clamped by the mode that the winding wheel 41 is used for winding the steel wire 42 to pull the positioning clamping blocks 2 to be close, the structure is simple, the cost is low, the adjustable range of the movable clamping of the positioning clamping blocks 2 is larger, the universality is stronger, the elastic band 44 is connected with the outer side, the effect of quick automatic unfolding and resetting can be realized, and the elastic band 44 is convenient to replace and convenient to use.
Fig. 1 and 5 show a third embodiment, which differs from the second embodiment mainly in that: the positioning table 1 is circular, the measuring assembly 6 comprises circumferential scale marks 61 printed on the periphery of the top of the positioning table 1, and further comprises a sliding seat 62 arranged on the edge of the top of the positioning table 1, and a laser 64 pointing to the center of the positioning table 1 is clamped on the top of the sliding seat 62 through an elastic buckle 63.
The sliding seat 62 comprises a flat plate at the top and an arc plate attached to the outer side of the positioning table 1 from the side, an arc sliding bar 65 is arranged at the bottom of the flat plate, and an annular groove 66 matched with the arc sliding bar 65 is formed in the edge of the top of the positioning table 1.
Through setting up the sliding seat 62 that can slide along the annular of locating bench 1 edge, utilize the laser instrument 64 that installs on it to cooperate annular scale mark 61 on the locating bench 1, can carry out the relatively accurate detection to the angle of the front and back deflection angle of appointed mark point on the pivoted work piece, and with annular scale mark 61 seal in outermost periphery, can not be covered by the work piece, the line also can not need the more intensive of carving, adopts laser irradiation then can prolong peripheral scale mark to work piece edge, does not receive the influence of work piece size, convenient to use.
Meanwhile, the contents which are not described in detail in the specification belong to the prior art known to the person skilled in the art, and model parameters of each electric appliance are not particularly limited and conventional equipment can be used.
When the clamping device is used, a workpiece is placed on the bullseye bearing 5 on the positioning table 1, then the servo motor 47 is started to drive the winding wheel 41 to rotate, the steel wire 42 is wound, the positioning clamping block 2 is pulled to be close, the workpiece is clamped, centering is achieved, and the torque of the servo motor 47 is controlled by utilizing the numerical value output by the torque sensor, so that the clamping force is controlled.
When the angle of the workpiece needs to be adjusted for processing, the sliding seat 62 is firstly slid to enable the workpiece to move to the position of the laser 64 corresponding to the zero point of the annular scale mark 61, then the laser irradiation point on the side face of the workpiece is marked, the control servo motor 47 is turned over, the steel wire 42 is loosened to enable the positioning clamp block 2, the positioning clamp block 2 is expanded under the outward pulling force of the rubber band 44, then the sliding seat 62 is slid to a specified rotation angle, then the workpiece is rotated, the mark is moved to the laser irradiation point again, the angle adjustment can be completed, and then the servo motor 47 is started to rotate forward to clamp again.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mechanical electric positioner, includes the multiunit location clamp splice that location platform and top set up, its characterized in that: the top of the positioning table is symmetrically provided with sliding grooves for guiding sliding tracks of a plurality of groups of positioning clamping blocks, the bottom of the positioning table is provided with a driving assembly for driving the plurality of groups of positioning clamping blocks to synchronously move centrally, a plurality of groups of bullseye bearings are embedded and installed at the top of the positioning table, and the periphery of the top of the positioning table is provided with a measuring assembly for detecting the rotation angle of a workpiece;
the both sides of the one side of location clamp splice towards the location platform center all set up to the face apex angle of circle, and this face of location clamp splice is pasted and is had the protection pad.
2. A mechano-electric positioning device as claimed in claim 1, wherein: the driving assembly comprises a winding wheel which is rotationally connected to the center of the bottom of the positioning table, a plurality of groups of steel wires are wound on the surface of the winding wheel in the same direction, a sliding block penetrating through the sliding groove is fixedly connected to the bottom of the positioning clamping block, and one end of each steel wire is fixedly connected with the sliding block.
3. A mechano-electric positioning device as claimed in claim 2, wherein: the bottom of slider is bound up has the rubber band, and the other end fixedly connected with link of rubber band, locating bench bottom just is located the one end fixedly connected with string post that the rolling wheel was kept away from to the spout, and the link can overlap and establish on string post.
4. A mechano-electric positioning device as claimed in claim 1, wherein: the positioning table bottom is fixedly connected with a bottom plate, the edge of the positioning table bottom is provided with a frame supporting the bottom plate, the center of the positioning table bottom is fixedly connected with a servo motor, and an output shaft of the servo motor is fixedly connected with the center of the winding wheel through a torque sensor.
5. A mechano-electric positioning device as claimed in claim 1, wherein: the positioning table is circular, the measuring assembly comprises annular scale marks printed on the periphery of the top of the positioning table, and further comprises a sliding seat arranged at the edge of the top of the positioning table, and a laser pointing to the center of the positioning table is clamped at the top of the sliding seat through an elastic buckle.
6. A mechano-electrical positioning device as defined in claim 5, wherein: the sliding seat comprises a flat plate at the top and an arc plate at the outer side of the side laminating positioning table, an arc sliding strip is arranged at the bottom of the flat plate, and an annular groove matched with the arc sliding strip is formed in the edge of the top of the positioning table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321062367.7U CN220145879U (en) | 2023-05-06 | 2023-05-06 | Mechanical and electrical positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321062367.7U CN220145879U (en) | 2023-05-06 | 2023-05-06 | Mechanical and electrical positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220145879U true CN220145879U (en) | 2023-12-08 |
Family
ID=89019274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321062367.7U Active CN220145879U (en) | 2023-05-06 | 2023-05-06 | Mechanical and electrical positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220145879U (en) |
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2023
- 2023-05-06 CN CN202321062367.7U patent/CN220145879U/en active Active
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