CN223656771U - A positioning fixture for an external cylindrical grinding machine - Google Patents
A positioning fixture for an external cylindrical grinding machineInfo
- Publication number
- CN223656771U CN223656771U CN202423311577.2U CN202423311577U CN223656771U CN 223656771 U CN223656771 U CN 223656771U CN 202423311577 U CN202423311577 U CN 202423311577U CN 223656771 U CN223656771 U CN 223656771U
- Authority
- CN
- China
- Prior art keywords
- cylindrical grinding
- grinding machine
- block
- worm
- positioning fixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model relates to the field of cylindrical grinding machines, in particular to a positioning tool of a cylindrical grinding machine, which comprises a workbench, wherein a first supporting component and a second supporting component are arranged on the workbench, the first supporting component comprises a supporting block, a lifting plate is arranged on the supporting block in a sliding manner, a roller is arranged at the upper end of the lifting plate, the positioning tool is provided with a driving rod, a worm, a screw rod, a worm wheel and the like, and the driving rod is adjusted to rotate in the working process, the driving rod drives the worm to rotate along with the worm, and drives the screw to rotate through the mutual cooperation between the worm and the worm wheel, the screw drives the lifting plate to slide on the supporting block, so that the height of the roller is adjusted, the dead weight of the workpiece is shared, the bending deformation is reduced, the upper part of the workpiece is limited through the mutual cooperation between the arc-shaped plate part, the pressing plate part and the pressing roller, the workpiece is prevented from shaking, the labor intensity of workers is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of cylindrical grinding machines, in particular to a positioning tool of a cylindrical grinding machine.
Background
The cylindrical grinding machine positioning tool is a key device for ensuring the accurate position and the stable state of a workpiece in the grinding process, the rationality of the design directly influences the machining precision, the production efficiency and the product quality, and the requirements of the manufacturing industry on high-precision and high-efficiency machining are continuously improved.
Through searching, the technical key point of the positioning tool of the cylindrical grinding machine disclosed in the Chinese patent with the publication number of CN220994099U is that a main electric shaft workpiece is placed on the upper side of a placing groove, a motor drives a threaded shaft to rotate, a first moving block and a second moving block are driven to move close to each other through the threaded shaft, a first arc positioning frame and a second arc positioning frame are driven to move close to each other, a mounting plate is driven to move downwards, the first arc positioning frame and the second arc positioning frame are enabled to move downwards simultaneously, the main electric shaft workpiece is positioned in three directions through the cooperation of the first arc positioning frame, the second arc positioning frame and the placing groove, the threaded shaft is controlled by the motor, and the threaded shaft cannot rotate in the direction during grinding, so that the stability of the main electric shaft workpiece is ensured.
But current frock general clamping mode is comparatively single, when processing longer work piece, carries out the centre gripping to the both ends of work piece generally and fixes for the work piece middle part appears crooked easily, and appears rocking the phenomenon in work piece processing, needs the staff to adjust the work piece repeatedly, influences the efficiency of processing and has certain potential safety hazard, consequently needs to propose a new scheme to solve this problem.
Disclosure of utility model
Aiming at the problems that in the prior art, the middle part of a workpiece is easy to bend, and the workpiece is easy to shake during processing, the processing efficiency is affected, and certain potential safety hazard improvement is insufficient and defective.
The utility model discloses a positioning tool for a cylindrical grinding machine, which comprises a workbench, wherein a first supporting component and a second supporting component are arranged on the workbench, the first supporting component comprises a supporting block, a lifting plate is arranged on the supporting block in a sliding mode, a roller is arranged at the upper end of the lifting plate, the first supporting component has the same structure as the second supporting component, and a driving component is arranged between the two lifting plates.
Further, a sliding groove is formed in the workbench, and the first supporting block of the first supporting component is arranged in a sliding mode with the sliding groove.
Further, the drive assembly comprises a drive rod, the drive rod is rotatably mounted on the workbench, a worm is slidably mounted on the drive rod, the worm is rotatably mounted on the support block, a worm wheel is meshed with one side of the worm, a screw is mounted on the worm wheel, the screw is rotatably mounted on the support block, and the screw is in threaded connection with the lifting plate.
Further, the workstation top is provided with the arc, the arc both ends with be provided with the fixed block between the workstation, the fixed block with pass through the gag lever post between the arc, the arc below is provided with the clamp plate, install the compression roller on the clamp plate, the clamp plate with be provided with hydraulic telescoping rod between the arc.
Further, a plurality of fixing holes are formed in the workbench, and fixing bolts are arranged between the fixing blocks and the supporting blocks and between the fixing blocks and the fixing holes.
Further, a limiting block is arranged on the supporting block and is in sliding connection with the lifting plate.
Further, the first supporting component and the second supporting component are respectively provided with a thimble and a fixed chuck at the end far away from each other, and the thimble are coaxially arranged.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the driving rod, the worm, the screw rod, the worm wheel and other components are arranged, in the working process, the driving rod drives the worm to rotate in a following way through adjusting the driving rod, the screw rod is driven to rotate through the mutual matching between the worm and the worm wheel, the screw rod drives the lifting plate to slide on the supporting block, so that the height of the roller is adjusted, the effects of sharing the dead weight of a workpiece and reducing bending deformation are realized, the upper part of the workpiece is limited through the mutual matching among the arc-shaped plate component, the pressing plate component and the pressing roller, the workpiece is prevented from shaking, the labor intensity of workers is reduced, and the working efficiency is improved.
2. The utility model can adjust the positions of the fixed block and the supporting block by the mutual matching between the fixed bolt component and the fixed hole in the working process, indirectly adjust the positions of the roller and the compression roller, thereby using workpieces with different lengths, increasing the application range of the device, connecting the arc plate and the fixed block by the mutual matching between the limiting rod component and the fixed block, and separating the arc plate and the fixed block by removing the limiting rod.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the bottom structure of the present utility model;
FIG. 3 is an enlarged schematic view of the utility model at A in FIG. 2;
FIG. 4 is a cross-sectional view of a support block of the present utility model;
FIG. 5 shows the present utility model the arc plate is schematically shown.
In the figure, a workbench, a supporting component I, a supporting block I, a lifting plate 202, a lifting plate 203, a roller, a 204, a limiting block, a supporting component 3, a supporting component II, a sliding groove 4, a driving rod 5, a driving rod 6, a worm wheel 7, a worm wheel 8, a screw rod 9, a thimble 10, a fixing hole 11, a fixing bolt 12, an arc-shaped plate 13, a pressing plate 14, a pressing roller 15, a limiting rod 16 and a fixing block.
Detailed Description
Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.
Referring to fig. 1 and 4, the positioning tool for the cylindrical grinding machine of the utility model comprises a workbench 1, wherein a first supporting component 2 and a second supporting component 3 are arranged on the workbench 1, the first supporting component 2 comprises a supporting block 201, a lifting plate 202 is slidably arranged on the supporting block 201, a roller 203 is arranged at the upper end of the lifting plate 202, the first supporting component 2 and the second supporting component 3 have the same structure, a driving component is arranged between the two lifting plates 202, a thimble 9 and a fixed chuck are respectively arranged at the end, away from each other, of the first supporting component 2 and the second supporting component 3, and the thimble 9 are coaxially arranged.
When processing longer workpieces, firstly, one end of the workpiece is clamped and preloaded through the fixed chuck, the other end of the workpiece is propped against through the thimble 9, then the lifting plate 202 is controlled to slide on the supporting block 201 through the driving component, the lifting plate 202 drives the roller 203 to move along with the roller 203 and support the workpiece through the roller 203, and then the fixed chuck is driven again to clamp the workpiece and keep the roller 203 to support the workpiece, so that the bending of the workpiece is avoided
As shown in fig. 1, 2 and 4, a sliding groove 4 is formed in the workbench 1, a supporting block 201 of the first supporting component 2 is slidably arranged with the sliding groove 4, and the position of the supporting block 201 can be adjusted through the sliding groove 4, so that the supporting position of the roller 203 on a workpiece is changed, workpieces with different lengths are suitable, and the application range of the device is increased.
As shown in fig. 2 and 3, the driving assembly comprises a driving rod 5, the driving rod 5 is rotatably mounted on the workbench 1, a worm 6 is slidably mounted on the driving rod 5, the worm 6 is rotatably mounted on the supporting block 201, one side of the worm 6 is meshed with a worm wheel 7, a screw rod 8 is mounted on the worm wheel 7, the screw rod 8 is rotatably mounted on the supporting block 201, the screw rod 8 is in threaded connection with a lifting plate 202, the driving rod 5 is driven to rotate by a servo motor, the driving rod 5 drives the worm 6 to rotate, the worm 6 drives the worm wheel 7 to rotate, the worm wheel 7 drives the screw rod 8 to rotate, the lifting plate 202 is driven to move on the supporting block 201, the rotation direction of the servo motor is controlled, and accordingly the lifting plate 202 is controlled to ascend or descend, and the servo motor is stopped after the supporting block 201 reaches a preset height.
As shown in fig. 1 and 5, an arc plate 12 is arranged above the workbench 1, a fixed block 16 is arranged between two ends of the arc plate 12 and the workbench 1, a pressing plate 13 is arranged below the arc plate 12 through a limiting rod 15 between the fixed block 16 and the arc plate 12, a pressing roller 14 is arranged on the pressing plate 13, a hydraulic telescopic rod is arranged between the pressing plate 13 and the arc plate 12, after the workpiece is supported by a roller 203, a worker controls the hydraulic telescopic rod to work, the hydraulic telescopic rod drives the pressing plate 13 to move, the pressing plate 13 drives the pressing roller 14 to move along with the workpiece, and the pressing roller 14 compresses the workpiece, so that the stability of the workpiece is improved, and shaking in the processing process is prevented.
The workbench 1 is provided with a plurality of fixing holes 10, fixing bolts 11 are arranged between the fixing blocks 16 and the supporting blocks 201 and the fixing holes 10, the positions of the fixing blocks 16 and the supporting blocks 201 are limited by mutual matching between the fixing holes 10 and the fixing bolts 11, and the positions of the fixing blocks 16 and the supporting blocks 201 are adjusted by matching the fixing bolts 11 on the fixing blocks 16 and the supporting blocks 201 with different fixing holes 10.
As shown in fig. 1 and 4, a stopper 204 is provided on the supporting block 201, the stopper 204 is slidably connected with the lifting plate 202, and the position of the lifting plate 202 is limited by the stopper 204 while the lifting plate 202 moves, so that the stability of the lifting plate 202 during movement is improved.
The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423311577.2U CN223656771U (en) | 2024-12-31 | 2024-12-31 | A positioning fixture for an external cylindrical grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423311577.2U CN223656771U (en) | 2024-12-31 | 2024-12-31 | A positioning fixture for an external cylindrical grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223656771U true CN223656771U (en) | 2025-12-12 |
Family
ID=97923318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423311577.2U Active CN223656771U (en) | 2024-12-31 | 2024-12-31 | A positioning fixture for an external cylindrical grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223656771U (en) |
-
2024
- 2024-12-31 CN CN202423311577.2U patent/CN223656771U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |