CN212096009U - General type positioner that positioning accuracy is high - Google Patents
General type positioner that positioning accuracy is high Download PDFInfo
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- CN212096009U CN212096009U CN202020295029.8U CN202020295029U CN212096009U CN 212096009 U CN212096009 U CN 212096009U CN 202020295029 U CN202020295029 U CN 202020295029U CN 212096009 U CN212096009 U CN 212096009U
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- positioning
- driving device
- main shaft
- workbench
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Abstract
The utility model discloses a general positioning device with high positioning precision, which comprises a workbench, wherein a main shaft is arranged on the workbench, the main shaft is in transmission connection with a first driving device, and the first driving device can drive the workbench to rotate; the workbench is provided with a plurality of clamping grooves, positioning claws capable of sliding along the clamping grooves are arranged in the clamping grooves, the positioning claws are in transmission connection with a second transmission device, the second transmission device is in transmission connection with a second driving device, and the second driving device can pull the positioning claws to slide in the clamping grooves. The utility model fixes the workpiece by using the positioning claw with the clamping size capable of changing steplessly in a set range, realizes positioning the workpieces with different sizes, and has strong universality; the clamping force can be subjected to stepless regulation by arranging the second transmission device matched with the main shaft, so that the workpiece can be stably clamped to ensure the positioning precision; through setting up the base, can install this positioner in the place that needs, can match and can use in different processing places with different processing equipment, application scope is extensive.
Description
Technical Field
The utility model belongs to the technical field of the anchor clamps technique and specifically relates to a general type positioner that positioning accuracy is high.
Background
In modern industrial production, the position precision of products or workpieces and the stability of the products or workpieces in the machining process directly influence the precision of machining production and the quality of the products, so that more and more products adopt the clamp as a positioning device in production to assist in improving the yield and the production efficiency of the products. In practical application, the clamps are designed for a product with a specific structure and size, one product has high positioning accuracy, but the clamps cannot be used commonly, once the structure or size of the product is changed, the clamps are often required to be manufactured or even designed again, the utilization degree of the clamps is not high, and the production apportionment cost is increased.
Therefore, there is a need for an improved fixture that can position a certain type of product and accommodate dimensional changes to improve fixture utilization and reduce manufacturing costs.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem of mentioning in the above-mentioned background art, provide a general type positioner that positioning accuracy is high, can fix a position not unidimensional product in the certain limit, it is stable to have the centre gripping, positioning accuracy height and simple structure, advantage that the commonality is strong etc.
In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:
a general positioning device with high positioning precision comprises a base, wherein an annular workbench is arranged on the base, a main shaft is arranged at the center of the workbench and is in transmission connection with a first driving device, and the first driving device can drive the workbench to rotate through the main shaft; the workbench is provided with a plurality of clamping grooves extending along the radial direction at equal intervals, each clamping groove is internally provided with a positioning claw capable of sliding along the clamping groove, one end of each positioning claw is in transmission connection with a second transmission device, the second transmission device is in transmission connection with a second driving device, and the second driving device can pull the positioning claws to slide in the clamping grooves through the second transmission device.
Preferably, the positioning claw is a step-shaped positioning claw.
Preferably, the second transmission device comprises a pull rod in transmission connection with the second driving device through a connecting rod and a material pulling block in transmission connection with the pull rod, the pull rod is sleeved in the main shaft and can rotate synchronously with the main shaft, and the material pulling block is in transmission connection with the positioning claws.
Preferably, the first driving device is a speed reduction motor, and the second driving device is an air cylinder.
Preferably, the base comprises a bottom plate and a pillar fixedly arranged on the bottom plate, the bottom plate is provided with a plurality of positioning holes for fixing the positioning device, the centers of the bottom plate and the pillar are provided with hole grooves, and the side wall of the pillar is provided with a clamping groove for a line to pass through.
Preferably, the side wall of the pillar is further provided with a lifting ring screw for auxiliary fixation.
Preferably, the main shaft and the second transmission device are both arranged in the strut.
Compared with the prior art, the beneficial effects of the utility model reside in that: the positioning claws with the clamping sizes capable of being steplessly changed within a set range are used for fixing the workpieces, so that the workpieces with different sizes can be fixed and positioned, and the universality is high; the clamping force can be adjusted steplessly by arranging the second transmission device matched with the main shaft, and a workpiece can be stably clamped to realize high-precision positioning; through setting up the base, can install this positioner in the place that needs, make it can match and can use in different processing places with different processing equipment, application scope is extensive.
Drawings
FIG. 1 is a schematic perspective view of the present embodiment;
fig. 2 is a schematic diagram of the transmission structure of the present embodiment.
In the figure:
1. a base; 2. a work table; 3. a main shaft; 4. a first driving device; 5. a card slot; 6. a positioning claw; 7. a second transmission device; 8. a second driving device; 9. a connecting rod; 10. a pull rod; 11. the material drawing is fast; 12. a base plate; 13. a pillar; 14. positioning holes; 15. a line slot; 16. a lifting ring screw; 17. and a bearing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-2.
The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
As shown in fig. 1-2, a general positioning device with high positioning accuracy comprises a base 1, wherein an annular workbench 2 is arranged on the base 1, a main shaft 3 is arranged at the center of the workbench 2, the main shaft 3 is in transmission connection with a first driving device 4, and the first driving device 4 can drive the workbench 2 to rotate through the main shaft 3; a plurality of clamping grooves 5 extending along the radial direction are formed in the workbench 2 at equal intervals, a positioning claw 6 capable of sliding along the clamping grooves is installed in each clamping groove 5, one end of each positioning claw 6 is in transmission connection with a second transmission device 7, the second transmission devices 7 are in transmission connection with a second driving device 8, and the second driving devices 8 can pull the positioning claws 6 to slide in the clamping grooves 5 through the second transmission devices 7.
Preferably, the positioning pawl 6 is a stepped positioning pawl.
In this embodiment, the positioning claws 6 with three stepped shapes are selected, and the bottom ends of the positioning claws 6 are provided with protrusions matched with the clamping grooves 5, so that the positioning claws 6 can be conveniently installed, fixed and clamped on workpieces.
Preferably, the second transmission device 7 comprises a pull rod 10 in transmission connection with the second driving device 8 through a connecting rod 9 and a material pulling block 11 in transmission connection with the pull rod 10, the pull rod 10 is sleeved in the spindle 3 and can rotate synchronously with the spindle 3, and the material pulling block 11 is in transmission connection with the positioning claws 6.
In the embodiment, the main shaft 3 is a hollow shaft, and the pull rod 10 is clamped in a synchronous groove in the main shaft 3 and synchronously rotates along with the main shaft 3; the connecting rod 9 is connected with the pull rod 10 through a ball bearing, and the material pulling block 11 is connected with the positioning claw 6 through the ball bearing, so that the tensioning driving force of the second driving device 8 is transmitted to the rotating positioning claw 6 and tensioned.
Preferably, the first driving device 4 is a speed reduction motor, and the second driving device 8 is a cylinder.
The utility model discloses when using, gear motor is convenient for control table and the rotation rate of work piece, and the cylinder can be more tightly taut the positioning claw in order to press from both sides tight work piece.
Preferably, the base 1 includes a bottom plate 12 and a pillar 13 fixedly mounted on the bottom plate 12, the bottom plate 1 is provided with a plurality of positioning holes 14 for fixing the positioning device, the centers of the bottom plate 12 and the pillar 13 are provided with a hole groove, and the side wall of the pillar 13 is provided with a circuit groove 15 for a circuit to pass through.
When the utility model is used, the positioning hole 14 on the bottom plate 12 can be used for fixing the device at a proper place, and when necessary, a circuit can pass through the circuit groove 15 so as to keep the electric connection of the inner part and the outer part of the base 1.
Preferably, the side wall of the pillar 13 is further provided with an eyebolt 16 for auxiliary fixation.
In this embodiment, the lifting eye screw 16 can assist in fixing the device to an external device, so as to further enhance the stability of the positioning device.
Preferably, the main shaft 3 and the second transmission 8 are both arranged inside the column 13.
In the present embodiment, the main shaft 3 and the transmission shaft are fixed to the inner wall of the column 13 by bearings.
When the utility model is used, firstly, a workpiece is placed at the step surface of the positioning claw 6, the second driving device 8 is started to pull in the tightening connecting rod 9, the connecting rod 9 drives the pull rod 10 and the pulling block 11 to move towards the direction deviating from the workbench 2, and the positioning claw 6 is pulled to slide in the clamping groove 5 until the workpiece is clamped; when a workpiece needs to rotate, the first driving device 4 is started to drive the hollow main shaft 3 to rotate, the workbench 2, the positioning claw 6, the pull rod 10 and the material pulling block 11 in transmission connection with the pull rod 10 are synchronously driven to rotate together, and the pull rod 10 is connected with the ball bearing between the connecting rods 9, so that the connecting rods 9 are not influenced by the rotating pull rods 10.
The above is not intended to limit the technical scope of the present invention, and all changes and modifications equivalent to any modification made to the above embodiments according to the technical spirit of the present invention all still belong to the scope of the technical solution of the present invention.
Claims (7)
1. A general type positioning device with high positioning accuracy is characterized by comprising a base, wherein an annular workbench is arranged on the base, a main shaft is arranged at the center of the workbench and is in transmission connection with a first driving device, and the first driving device can drive the workbench to rotate through the main shaft; the workbench is provided with a plurality of clamping grooves extending along the radial direction at equal intervals, each clamping groove is internally provided with a positioning claw capable of sliding along the clamping groove, one end of each positioning claw is in transmission connection with a second transmission device, the second transmission device is in transmission connection with a second driving device, and the second driving device can pull the positioning claws to slide in the clamping grooves through the second transmission device.
2. The general positioning device with high positioning accuracy as claimed in claim 1, wherein the positioning pawl is a step-shaped positioning pawl.
3. The general positioning device with high positioning accuracy as recited in claim 1, wherein the second transmission device comprises a pull rod in transmission connection with the second driving device through a connecting rod and a material pulling block in transmission connection with the pull rod, the pull rod is sleeved in the main shaft and can rotate synchronously with the main shaft, and the material pulling block is in transmission connection with the positioning claws.
4. The positioning device of claim 1, wherein the first driving device is a reduction motor, and the second driving device is a cylinder.
5. The general positioning device with high positioning accuracy as claimed in claim 1, wherein the base comprises a bottom plate and a pillar fixedly arranged on the bottom plate, the bottom plate is provided with a plurality of positioning holes for fixing the positioning device, the centers of the bottom plate and the pillar are provided with hole slots, and the side wall of the pillar is provided with a clamping groove for a circuit to pass through.
6. The positioning device of claim 5, wherein a lifting ring screw for auxiliary fixing is further disposed on the side wall of the pillar.
7. The positioning device of claim 5, wherein the main shaft and the second transmission device are disposed in the support column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020295029.8U CN212096009U (en) | 2020-03-11 | 2020-03-11 | General type positioner that positioning accuracy is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020295029.8U CN212096009U (en) | 2020-03-11 | 2020-03-11 | General type positioner that positioning accuracy is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212096009U true CN212096009U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020295029.8U Active CN212096009U (en) | 2020-03-11 | 2020-03-11 | General type positioner that positioning accuracy is high |
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| Country | Link |
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| CN (1) | CN212096009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793978A (en) * | 2021-02-04 | 2021-05-14 | 洛济化学技术(上海)有限公司 | Intelligent reagent storing and taking equipment and system |
-
2020
- 2020-03-11 CN CN202020295029.8U patent/CN212096009U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793978A (en) * | 2021-02-04 | 2021-05-14 | 洛济化学技术(上海)有限公司 | Intelligent reagent storing and taking equipment and system |
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