CN213764281U - High-precision reaming device - Google Patents
High-precision reaming device Download PDFInfo
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- CN213764281U CN213764281U CN202022899114.8U CN202022899114U CN213764281U CN 213764281 U CN213764281 U CN 213764281U CN 202022899114 U CN202022899114 U CN 202022899114U CN 213764281 U CN213764281 U CN 213764281U
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Abstract
The application relates to a high-precision reaming device, which belongs to the field of reaming devices and comprises a drilling machine, wherein the drilling machine comprises a workbench, the upper surface of the workbench is provided with a first sliding chute, and a first clamping block is slidably connected in the first sliding chute; the first sliding groove and the first clamping block are symmetrically arranged on the workbench; the workbench is rotatably connected with a first bidirectional screw rod which is horizontally arranged, and two sections of threads of the first bidirectional screw rod are respectively in threaded connection with the two first clamping blocks. This application has the effect that improves the machining precision.
Description
Technical Field
The application relates to the field of reaming devices, in particular to a high-precision reaming device.
Background
In the existing machining process, the surface roughness of the hole of a workpiece processed by a drilling machine and a boring machine is low, the factors mainly influencing the surface roughness of the hole comprise accumulated burrs and scale thorns, and in order to further improve the precision of the hole, the surface of the inner wall of the hole is generally processed once again by using a reamer, and a layer of the surface of the inner wall of the processed hole is cut off, so that the height of the accumulated burrs or the scale thorns is reduced or cut off, and the size precision and the surface precision of the hole are more precise.
In the related art: drilling machine centre gripping reamer, the work piece is placed on the workstation of drilling machine, through external power supply start-up drilling machine, the drilling machine drives the reamer and rotates, descends the cutter of drilling machine, and the reamer gets into the downthehole of work piece, processes the work piece, improves the roughness in the hole of work piece.
In view of the above-mentioned related art, the inventor believes that there is a defect that the work piece may move during machining due to the fact that the table of the drilling machine is a flat plate on which the work piece is placed, resulting in low machining accuracy.
SUMMERY OF THE UTILITY MODEL
In order to improve the machining precision, the application provides a high accuracy reaming device.
The application provides a high accuracy reaming device adopts following technical scheme:
a high-precision reaming device comprises a drilling machine, wherein the drilling machine comprises a workbench, the upper surface of the workbench is provided with a first sliding chute, and a first clamping block is slidably connected in the first sliding chute; the first sliding groove and the first clamping block are symmetrically arranged on the workbench; the workbench is rotatably connected with a first bidirectional screw rod which is horizontally arranged, and two sections of threads of the first bidirectional screw rod are respectively in threaded connection with the two first clamping blocks.
By adopting the technical scheme, the first bidirectional screw rod is rotated, the first bidirectional screw rod is in threaded connection with the first clamping block, the two first clamping blocks are driven to be close to each other, a workpiece placed on the workbench is clamped, and clamping is achieved. The two first clamping blocks clamp the workpiece, so that the workpiece cannot move during machining, and the machining precision is improved.
Optionally, a second sliding groove is further formed in the upper surface of the workbench, and the horizontal length direction of the second sliding groove is perpendicular to the horizontal length direction of the first sliding groove; a second clamping block is connected in the second sliding groove in a sliding manner; and a second bidirectional screw rod which is horizontally arranged is further rotatably connected in the workbench, and the second bidirectional screw rod and the first bidirectional screw rod are arranged in a staggered manner.
Through adopting above-mentioned technical scheme, rotate the two-way lead screw of second, two-way lead screw and second fixture block threaded connection drive two second fixture blocks and are close to each other, will place the work piece chucking on the workstation, and two first fixture blocks press from both sides tight work piece with two second fixture blocks simultaneously, and fixed effect is better, further improves the machining precision.
Optionally, a worm is coaxially fixed on the second bidirectional screw rod, a worm wheel is coaxially fixed on the first bidirectional screw rod, and the worm wheel and the worm are meshed with each other.
By adopting the technical scheme, the second bidirectional screw rod is rotated, the second bidirectional screw rod drives the worm to synchronously rotate, the worm drives the worm wheel and the first bidirectional screw rod to synchronously rotate through the meshing of the worm and the worm wheel, and the two second clamping blocks and the two first clamping blocks on the second bidirectional screw rod and the first bidirectional screw rod synchronously move. The second bidirectional screw rod and the first bidirectional screw rod are connected through a worm wheel and a worm.
Optionally, one end of the second bidirectional screw rod extends to the outside of the workbench, and one end of the second bidirectional screw rod, which is located outside the workbench, is coaxially connected with a handle.
Through adopting above-mentioned technical scheme, the twist grip, the handle drives the synchronous motion of the two-way lead screw of second, makes things convenient for manual operation.
Optionally, one end of the second bidirectional screw rod, which extends out of the workbench, is coaxially connected with a ratchet wheel, one side of the workbench, which is close to the ratchet wheel, is rotatably connected with a pawl clamped with the ratchet wheel, and the pawl is located above the ratchet wheel; when the pawl is clamped in the tooth groove of the ratchet wheel, the first clamping block and the second clamping block cannot move towards the edge direction of the workbench.
By adopting the technical scheme, the workpiece is placed in the center of the workbench, the handle is rotated, the handle drives the second bidirectional screw rod to rotate, and the second bidirectional screw rod drives the first bidirectional screw rod to rotate through the meshing of the worm gear and the worm; the two first clamping blocks and the second clamping block are close to each other, and the ratchet wheel is not limited by the pawl at the moment. After the first clamping block and the second clamping block clamp the workpiece, the pawl is clamped in a tooth groove of the ratchet wheel, and the ratchet wheel and the second bidirectional screw rod cannot rotate reversely at the moment, so that the positions of the first clamping block and the second clamping block are fixed. When the workpiece is taken down, the pawl is pulled to separate the pawl from the ratchet wheel, the handle is rotated reversely, the first clamping block and the second clamping block are far away from each other, and the workpiece is taken down. Through ratchet and pawl spacing, reduce the possibility that first fixture block and second fixture block kept away from each other, the structure is more stable.
Optionally, a compression spring is arranged on one side of the pawl far away from the ratchet wheel, one end of the compression spring is connected with the pawl, and the other end of the compression spring is connected with the workbench.
By adopting the technical scheme, the pawl is always clamped in the tooth groove of the ratchet wheel under the action of the compression spring in a natural state; the possibility that the vibration during the working process causes the pawl to be disengaged from the ratchet wheel is reduced.
Optionally, the upper surfaces of the first clamping block and the second clamping block are respectively and vertically provided with a first clamping groove and a second clamping groove, and clamping plates are clamped in the first clamping groove and the second clamping groove.
Through adopting above-mentioned technical scheme, first fixture block and second fixture block pass through splint centre gripping work piece, when splint damaged, can take off splint from first fixture block or second fixture block, change at any time, need not change first fixture block and second fixture block, convenient operation.
Optionally, a rubber pad is attached to one side, away from the first fixture block or the second fixture block, of the clamping plate.
Through adopting above-mentioned technical scheme, rubber pad and work piece contact improve frictional force to the protection work piece is not pressed from both sides bad.
In summary, the present application includes at least one of the following beneficial technical effects:
1. a first clamping block and a first bidirectional screw rod are arranged on the workbench, the first bidirectional screw rod is rotated, the first bidirectional screw rod is in threaded connection with the first clamping block, the two first clamping blocks are driven to be close to each other, a workpiece placed on the workbench is clamped, and clamping is achieved. The two first clamping blocks clamp the workpiece, so that the workpiece cannot move during machining, and the machining precision is improved;
2. the workbench is also provided with a second fixture block and a second bidirectional screw rod, the second bidirectional screw rod is rotated and is in threaded connection with the second fixture block to drive the two second fixture blocks to approach each other and tightly clamp a workpiece placed on the workbench, the two first fixture blocks and the two second fixture blocks simultaneously clamp the workpiece, the fixing effect is better, and the machining precision is further improved;
3. the worm gear and the worm rotate, the second bidirectional screw rod drives the worm to synchronously rotate, the worm drives the worm wheel and the first bidirectional screw rod to synchronously rotate through the meshing of the worm and the worm wheel, and the second bidirectional screw rod and the two second clamping blocks and the two first clamping blocks on the first bidirectional screw rod synchronously move. The second bidirectional screw rod and the first bidirectional screw rod are connected through a worm wheel and a worm.
Drawings
Fig. 1 is a schematic view of the entire structure of a high precision reaming apparatus according to embodiment 1 of the present application;
FIG. 2 is a schematic structural view of the table portion shown in FIG. 1;
fig. 3 is a schematic structural view of a table portion in embodiment 2 of the present application.
Description of reference numerals: 1. a work table; 2. a first chute; 3. a first clamping block; 4. a first bidirectional screw; 5. a second chute; 6. a second fixture block; 7. a second bidirectional screw rod; 8. a placement groove; 9. a worm gear; 10. a worm; 11. a ratchet wheel; 12. a rotating shaft; 13. a pawl; 14. a fixed block; 15. a compression spring; 16. a handle; 17. a first card slot; 18. a second card slot; 19. a splint; 20. a rubber pad; 21. a transmission case; 22. a base; 23. a support bar; 24. a reamer.
Detailed Description
The embodiment of the application discloses high accuracy reaming device.
Example 1
Referring to fig. 1 and 2, the drilling machine comprises a workbench 1, a first sliding chute 2 horizontally arranged is arranged above the workbench 1, and a first clamping block 3 is connected in the first sliding chute 2 in a sliding manner along the length direction of the first sliding chute; the first sliding groove 2 and the first clamping block 3 are symmetrically arranged on the workbench 1; a first bidirectional screw rod 4 which is horizontally arranged is rotationally connected in the workbench 1, and two sections of threads of the first bidirectional screw rod 4 are respectively in threaded connection with the two first clamping blocks 3. And when the first bidirectional screw rod 4 is rotated, the first bidirectional screw rod 4 drives the two first clamping blocks 3 to approach each other.
The drilling machine further comprises a transmission case 21, a base 22 and a support rod 23, the support rod 23 is vertically welded on the base 22, the transmission case 21 is welded at one end, away from the base 22, of the support rod, the reamer 24 is connected to the lower portion of the transmission case 21 in a rotating mode, and the reamer 24 can move in the vertical direction. The workbench 1 is horizontally welded on the support rod, and the reamer 24 is positioned right above the workbench 1. The external power supply starts the drilling machine, and the transmission case 21 drives the reamer 24 to rotate so as to process the workpiece on the workbench 1.
The first sliding groove 2 is a T-shaped groove, so that the possibility that the first clamping block 3 is separated from the first sliding groove 2 is reduced.
The upper surface of the workbench 1 is also provided with a second sliding chute 5, the horizontal length direction of the second sliding chute 5 is vertical to the horizontal length direction of the first sliding chute 2, and the second sliding chute 5 is a T-shaped groove; a second clamping block 6 is connected in the second sliding groove 5 in a sliding manner. The second fixture block 6 slides along the second sliding groove 5, and the second sliding groove 5 and the second fixture block 6 are symmetrically arranged on the workbench 1.
The lower surfaces of the second block 6 and the second runner 5 are lower than the lower surface of the first runner 2. A second bidirectional screw rod 7 is horizontally arranged in the workbench 1, and the second bidirectional screw rod 7 is positioned below the first bidirectional screw rod 4 and is vertical to the first bidirectional screw rod 4. The second bidirectional screw 7 penetrates through the two second fixture blocks 6, and the second fixture blocks 6 are respectively in threaded connection with the two threaded sections of the second bidirectional screw 7. And the second bidirectional screw rod 7 is rotated, and the second bidirectional screw rod 7 drives the two second clamping blocks 6 to approach each other.
A placing groove 8 is formed in the workbench 1, and the first bidirectional screw rod 4 and the second bidirectional screw rod 7 both penetrate through the placing groove 8 of the workbench 1. A worm wheel 9 and a worm 10 are arranged in the placing groove 8, the worm wheel 9 is coaxially welded with the first bidirectional screw rod 4, the worm 10 is coaxially welded with the second bidirectional screw rod 7, and the worm wheel 9 is meshed with the worm 10. The second bidirectional screw rod 7 is rotated, and is meshed with the worm 10 through the worm wheel 9, and the second bidirectional screw rod 7 drives the first bidirectional screw rod 4 to synchronously rotate.
When the second bidirectional screw 7 is rotated, the first fixture block 3 and the second fixture block 6 move by the same distance.
One end of the second bidirectional screw rod 7 extends to the outside of the workbench 1, a ratchet wheel 11 is coaxially welded at one end of the second bidirectional screw rod 7 extending out, and one side of the ratchet wheel 11 is attached to the side wall of the workbench 1. A rotating shaft 12 is vertically welded on one side of the workbench 1 close to the ratchet wheel 11, a pawl 13 is sleeved on the rotating shaft 12 and is rotatably connected with the rotating shaft, and the pawl 13 is positioned above the ratchet wheel 11 and is meshed with the ratchet wheel 11. The pawl 13 is clamped in the tooth groove of the ratchet wheel 11 under the action of gravity, and the first fixture block 3 and the second fixture block 6 cannot be far away from each other at the moment.
A fixing block 14 is welded on one side, close to the pawl 13, of the workbench 1, and the fixing block 14 is located above the pawl 13. A compression spring 15 is arranged between the fixed block 14 and the pawl 13, one end of the compression spring 15 is welded with one side of the fixed block 14 facing the pawl 13, and the other end of the compression spring is welded with the pawl 13. Under the action of the compression spring 15, the pawl 13 is always located in the tooth slot of the ratchet wheel 11.
A handle 16 is coaxially welded at one end of the second bidirectional screw rod 7 close to the ratchet wheel 11, and the handle 16 is rotated to drive the second bidirectional screw rod 7 to coaxially rotate.
The upper surfaces of the first fixture block 3 and the second fixture block 6 are respectively provided with a first clamping groove 17 and a second clamping groove 18, the first clamping groove 17 and the second clamping groove 18 are dovetail grooves, and the length directions of the first clamping groove 17 and the second clamping groove 18 are vertically arranged. Clamping plates 19 are clamped in the first clamping groove 17 and the second clamping groove 18. The clamping plate 19 is vertically taken out of or mounted on the first fixture 3 or the second fixture 6.
The cross section of the clamping plate 19 is arranged in a circular arc shape, and the opening of the clamping plate 19 faces the center of the workbench 1. The clamping plate 19 clamps the workpiece.
The inner arc surface of the clamping plate 19 is bonded with a rubber pad 20, and the rubber pad 20 contacts with a workpiece to clamp the workpiece.
The first runner 2 and the second runner 5 have the same length in the horizontal direction. The distance between the first runner 2 and the second runner 5 is the same. The first latch 3 and the second latch 6 are movable by the same distance.
Example 2
Referring to fig. 3, the present embodiment is different from embodiment 1 in that the clamping plate 19 is a flat plate, and the clamping plate 19 is a flat plate, so that the clamping is more stable when the workpiece is rectangular.
The implementation principle of the high-precision reaming device in the embodiment of the application is as follows: a workpiece is placed between clamping plates 19 above the workbench 1, a handle 16 is rotated, the handle 16 drives the second bidirectional screw rod 7 to rotate, and the second bidirectional screw rod 7 drives the first bidirectional screw rod 4 to rotate through the meshing of the worm wheel 9 and the worm 10. The first bidirectional screw rod 4 and the second bidirectional screw rod 7 respectively drive the first fixture block 3 and the second fixture block 6 to approach each other, and the clamping plates 19 on the first fixture block 3 and the second fixture block 6 clamp the workpiece. The drilling machine is started through the external power supply, the transmission case 21 of the drilling machine drives the reamer to rotate, and the reamer is lowered to process the workpiece.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a high accuracy reaming device, includes the drilling machine, and the drilling machine includes workstation (1), its characterized in that: a first sliding groove (2) is formed in the upper surface of the workbench (1), and a first clamping block (3) is connected in the first sliding groove (2) in a sliding manner; the first sliding groove (2) and the first clamping block (3) are symmetrically arranged on the workbench (1); the workbench (1) is rotatably connected with a first bidirectional screw rod (4) which is horizontally arranged, and two sections of threads of the first bidirectional screw rod (4) are respectively in threaded connection with the two first clamping blocks (3).
2. A high-precision reaming device according to claim 1, characterized in that: the upper surface of the workbench (1) is also provided with a second sliding chute (5), and the horizontal length direction of the second sliding chute (5) is vertical to the horizontal length direction of the first sliding chute (2); a second clamping block (6) is connected in the second sliding groove (5) in a sliding manner; a second bidirectional screw rod (7) which is horizontally arranged is further rotatably connected in the workbench (1), and the second bidirectional screw rod (7) and the first bidirectional screw rod (4) are arranged in a staggered mode.
3. A high precision reaming device according to claim 2, characterized in that: a worm (10) is coaxially fixed on the second bidirectional screw rod (7), a worm wheel (9) is coaxially fixed on the first bidirectional screw rod (4), and the worm wheel (9) and the worm (10) are meshed with each other.
4. A high precision reaming device according to claim 3, characterized in that: one end of the second bidirectional screw rod (7) extends out of the workbench (1), and one end, located out of the workbench (1), of the second bidirectional screw rod (7) is coaxially connected with a handle (16).
5. A high precision reaming device according to claim 4, characterized in that: one end of the second bidirectional screw rod (7) extending out of the workbench (1) is coaxially connected with a ratchet wheel (11), one side of the workbench (1) close to the ratchet wheel (11) is rotatably connected with a pawl (13) clamped with the ratchet wheel (11), and the pawl (13) is positioned above the ratchet wheel (11); when the pawl (13) is clamped in the tooth groove of the ratchet wheel (11), the first fixture block (3) and the second fixture block (6) cannot move towards the edge direction of the workbench (1).
6. A high precision reaming device according to claim 5, characterized in that: one side of the pawl (13) far away from the ratchet wheel (11) is provided with a compression spring (15), one end of the compression spring (15) is connected with the pawl (13), and the other end of the compression spring (15) is connected with the workbench (1).
7. A high precision reaming device according to claim 2, characterized in that: first draw-in groove (17) and second draw-in groove (18) have been seted up perpendicularly respectively to the upper surface of first fixture block (3) and second fixture block (6), all joint has splint (19) in first draw-in groove (17) and second draw-in groove (18).
8. A high precision reaming device according to claim 7, characterized in that: one side of the clamping plate (19) far away from the first clamping block (3) or the second clamping block (6) is provided with a rubber pad (20) in a fitting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022899114.8U CN213764281U (en) | 2020-12-04 | 2020-12-04 | High-precision reaming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022899114.8U CN213764281U (en) | 2020-12-04 | 2020-12-04 | High-precision reaming device |
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| Publication Number | Publication Date |
|---|---|
| CN213764281U true CN213764281U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022899114.8U Active CN213764281U (en) | 2020-12-04 | 2020-12-04 | High-precision reaming device |
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| CN (1) | CN213764281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475061A (en) * | 2022-03-08 | 2022-05-13 | 温州医科大学 | Student's physique test is with record board that has fixture |
-
2020
- 2020-12-04 CN CN202022899114.8U patent/CN213764281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475061A (en) * | 2022-03-08 | 2022-05-13 | 温州医科大学 | Student's physique test is with record board that has fixture |
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