CN215033695U - Telescopic lengthened boring cutter - Google Patents
Telescopic lengthened boring cutter Download PDFInfo
- Publication number
- CN215033695U CN215033695U CN202120161117.3U CN202120161117U CN215033695U CN 215033695 U CN215033695 U CN 215033695U CN 202120161117 U CN202120161117 U CN 202120161117U CN 215033695 U CN215033695 U CN 215033695U
- Authority
- CN
- China
- Prior art keywords
- groove
- wall
- mounting
- sliding
- threaded
- 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.)
- Active
Links
Images
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a scalable extension boring cutter belongs to processing cutter technical field, including basic handle, installation cover, regulation pole, blade holder and fixing bolt, the mounting groove has been seted up to the inside of basic handle, logical groove has been seted up on one side inner wall of mounting groove, install the axis of rotation through the rotation of installation bearing on one side outer wall of basic handle, the one end of axis of rotation passes through logical groove and extends to the inside fixed mounting of mounting groove and drives bevel gear, install the transmission shaft through the rotation of rotation bearing on the upper surface of mounting groove inner wall, the one end of transmission shaft is provided with the lug; the utility model discloses in, through the drive bevel gear that sets up and adjust the pole, the boring cutter can highly adjust the position of tool bit according to the actual conditions of processing in the use, adjusts comparatively simply, is favorable to efficient processing reaming, does not need frequent more tool changing, has saved a large amount of manpowers and material resources, and efficiency is higher.
Description
Technical Field
The utility model belongs to the technical field of the processing cutter, especially, relate to a scalable extension boring cutter.
Background
The boring cutter is one kind of boring cutter, generally a round handle, and a square cutter rod is also used for a larger workpiece, and the most common occasions are inner hole processing, hole expanding, profiling and the like. Tools with one or two cutting parts, specially adapted for roughing, semi-finishing or finishing existing holes. The boring tool may be used on a boring machine, a lathe, or a milling machine, and a boring tool is described herein.
The existing boring cutter is not provided with a mechanism for quickly stretching and adjusting the boring cutter, the boring cutter is usually required to be adjusted in position height of a cutter head according to the actual condition of machining in the use process, the existing boring cutter is complex to adjust and not beneficial to efficient machining and reaming, the cutter head of the existing boring cutter is required to be frequently replaced, a large amount of manpower and material resources are wasted, the efficiency is low, the cutter head of the existing boring cutter can generate large abrasion in long-time use and needs to be replaced, the operation is complex, the stability is low, and the boring machining precision is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the problem of current boring cutter do not set up the mechanism that carries out quick flexible regulation to the boring cutter in order to solve, the boring cutter is in the use, generally need according to the actual conditions of processing, highly adjust the position of tool bit, current boring cutter adjusts comparatively complicacy, be unfavorable for efficient processing reaming, and need frequently change the tool, a large amount of manpower and material resources have been wasted, efficiency is lower, current boring cutter tool bit can produce great wearing and tearing under long-time use, need change, the operation is comparatively complicated, and stability is lower, bore hole machining precision is lower is solved, and the scalable extension boring cutter that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a scalable extension boring cutter, includes basic handle, installation cover, adjusts pole, blade holder and fixing bolt, the mounting groove has been seted up to the inside of basic handle, logical groove has been seted up on one side inner wall of mounting groove, rotate through the installation bearing on one side outer wall of basic handle and install the axis of rotation, the one end of axis of rotation is passed logical groove and is extended to the inside fixed mounting of mounting groove and is driven bevel gear, rotate through rolling bearing on the upper surface of mounting groove inner wall and install the transmission shaft, the one end of transmission shaft is provided with the lug, the one end fixed mounting of transmission shaft has driven bevel gear, intermeshing between driven bevel gear and the drive bevel gear.
As a further description of the above technical solution:
a fixed groove is formed on the inner wall of one side of the mounting groove, a first thread groove is formed on the outer wall of one side of the basic handle, a first thread column is installed on the inner thread of the first thread groove, a fixed part is rotatably installed at one end of the first thread column through a rotating bearing, the other end of the first thread column is located outside the basic handle and is fixedly provided with an adjusting knob, sliding blocks are fixedly installed on the upper surface and the lower surface of the fixed part respectively, inner sliding grooves are formed on the upper surface and the lower surface of the inner wall of the fixed groove, the sliding blocks are slidably installed inside the inner sliding grooves, a limiting groove is formed on the outer surface of the mounting sleeve, the fixed part is inserted inside the limiting groove, a thread inner groove is formed inside the mounting sleeve, the adjusting rod is installed inside the thread inner groove through a first thread arranged on the outer surface, and a connecting groove is formed inside the adjusting rod, the transmission shaft and the lug are inserted in the connecting groove.
As a further description of the above technical solution:
the adjustable screwdriver is characterized in that a second threaded column is fixedly mounted on the lower surface of the adjusting rod, the second threaded column is mounted in the screwdriver head in a threaded mode, a sliding groove is formed in the adjusting rod, and a sliding rail is fixedly mounted on the inner wall of one side of the sliding groove.
As a further description of the above technical solution:
the novel adjustable cutting tool is characterized in that a through hole is formed in the inner wall of one side of the sliding groove, an extrusion spring is fixedly mounted on the upper surface of the inner wall of the sliding groove, an insertion pin shaft is fixedly mounted at the other end of the extrusion spring, an inner groove is formed in the outer wall of one side of the insertion pin shaft, the sliding rail is slidably mounted in the inner groove, a shifting piece is arranged on the outer wall of one side of the insertion pin shaft, the shifting piece penetrates through the through hole and extends to the outside of the adjusting rod, an insertion groove is formed in the tool bit, and one end of the insertion pin shaft is inserted in the insertion groove.
As a further description of the above technical solution:
the tool rest is characterized in that a balancing weight and a connecting seat are fixedly mounted on the outer wall of one side of the tool rest through a fixing piece, a mounting plate is fixedly mounted on the outer wall of one side of the basic handle, a moving groove is formed in the middle of the mounting plate, and a fixing circular groove is formed in the outer wall of one side of the mounting plate.
As a further description of the above technical solution:
one end of the fixing bolt penetrates through the moving groove and is installed in a bolt groove formed in the outer wall of one side of the connecting seat in a threaded mode.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. in the utility model, the knob is rotated to drive the rotating shaft to rotate on the mounting bearing, the rotating shaft rotates to drive the driving bevel gear to rotate, the driven bevel gear is driven to rotate due to the meshing relationship between the driving bevel gear and the driven bevel gear, so as to drive the driving shaft and the lug arranged on the driving shaft to rotate, the driving shaft and the lug are inserted into the connecting groove in the adjusting rod when the mounting sleeve is inserted into the basic handle, the driving shaft and the lug rotate to drive the adjusting rod to rotate, the adjusting rod is arranged in the thread internal groove in the mounting sleeve through the first thread arranged on the outer surface, the adjusting rod is driven to rotate in the mounting sleeve, the adjusting rod moves downwards, the position height of the cutter head is well adjusted, and the boring cutter is used, can highly adjust the position of tool bit according to the actual conditions of processing, adjust comparatively simply, be favorable to efficient processing reaming, need not frequently change the tool, saved a large amount of manpowers and material resources, efficiency is higher.
2. The utility model discloses in, through the grafting round pin axle that sets up, drive the grafting round pin axle through removing the plectrum under extrusion spring's elastic action, to the inside removal of sliding tray, shift out the inserting groove with the grafting round pin axle simultaneously, rotate the tool bit and change, can be fast to long-time use under, can produce the boring cutter of great wearing and tearing, change easy operation, and stability is higher, and the bore hole precision of processing is higher.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the main-view internal structure of the basic handle of the present invention;
FIG. 3 is an enlarged top view of the mounting sleeve and the adjustment rod of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A of the present invention;
fig. 5 is an enlarged schematic view of the structure at B of the present invention;
illustration of the drawings:
1. a base handle; 2. mounting grooves; 3. a drive shaft; 4. a driven bevel gear; 5. a drive bevel gear; 6. a rotating shaft; 7. a through groove; 8. mounting a bearing; 9. a fixing member; 10. a first thread groove; 11. a first threaded post; 12. fixing grooves; 13. inserting a pin shaft; 14. inserting grooves; 15. a cutter head; 16. a second threaded post; 17. installing a sleeve; 18. a first thread; 19. adjusting a rod; 20. a bump; 21. connecting grooves; 22. a threaded inner groove; 23. a slider; 24. a limiting groove; 25. a sliding groove; 26. a through hole; 27. a shifting sheet; 28. a slide rail; 29. a compression spring; 30. mounting a plate; 31. a moving groove; 32. fixing the circular groove; 33. a tool apron; 34. a balancing weight; 35. a connecting seat; 36. and (5) fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a telescopic lengthened boring cutter comprises a basic handle 1, an installation sleeve 17, an adjusting rod 19, a cutter holder 33 and a fixing bolt 36, wherein an installation groove 2 is formed in the basic handle 1, a through groove 7 is formed in the inner wall of one side of the installation groove 2, a rotating shaft 6 is rotatably installed on the outer wall of one side of the basic handle 1 through an installation bearing 8, one end of the rotating shaft 6 penetrates through the through groove 7 and extends to the inside of the installation groove 2 to be fixedly provided with a driving bevel gear 5, a transmission shaft 3 is rotatably installed on the upper surface of the inner wall of the installation groove 2 through a rotating bearing, a convex block 20 is arranged at one end of the transmission shaft 3, a driven bevel gear 4 is fixedly installed at one end of the transmission shaft 3, the driven bevel gear 4 is meshed with the driving bevel gear 5, and the knob is rotated through the arranged driving bevel gear 5 and drives the rotating shaft 6 to rotate on the installation bearing 8, the rotating shaft 6 rotates to drive the driving bevel gear 5 to rotate, the driven bevel gear 4 is driven due to the meshing relationship between the driving bevel gear 5 and the driven bevel gear 4, so that the driving shaft 3 and the lug 20 arranged on the driving shaft 3 are driven to rotate, the driving shaft 3 and the lug 20 are inserted into the connecting groove 21 in the adjusting rod 19 when the mounting sleeve 17 is inserted into the basic handle 1, the driving shaft 3 and the lug 20 rotate to drive the adjusting rod 19 to rotate, the adjusting rod 19 is installed in the threaded inner groove 22 in the mounting sleeve 17 through the first threads 18 arranged on the outer surface in a threaded manner, the adjusting rod 19 is driven to rotate in the mounting sleeve 17, the adjusting rod 19 moves downwards, and the position height of the cutter head 15 is well adjusted;
a fixing groove 12 is formed on the inner wall of one side of the mounting groove 2, a first thread groove 10 is formed on the outer wall of one side of the base handle 1, a first thread post 11 is installed on the inner thread of the first thread groove 10, a fixing member 9 is rotatably installed at one end of the first thread post 11 through a rotating bearing, the other end of the first thread post 11 is located outside the base handle 1 and is fixedly installed with an adjusting knob, sliders 23 are fixedly installed on the upper and lower surfaces of the fixing member 9, inner sliding grooves are formed on the upper and lower surfaces of the inner wall of the fixing groove 12, the sliders 23 are slidably installed inside the inner sliding grooves, a limiting groove 24 is formed on the outer surface of the mounting sleeve 17, the fixing member 9 is inserted into the limiting groove 24, a thread 22 is formed inside the mounting sleeve 17, and the adjusting rod 19 is installed inside the thread inner groove 22 through a first thread 18 arranged on the outer surface, a connecting groove 21 is formed in the adjusting rod 19, the transmission shaft 3 and the projection 20 are inserted in the connecting groove 21, the first threaded column 11 is rotated through the adjusting knob through the arranged first threaded column 11, the first threaded column 11 rotates in the first threaded groove 10, the first threaded column 11 moves towards the inside of the fixed groove 12, the fixing piece 9 is driven to move through the rotating bearing, the sliding blocks 23 arranged on the upper surface and the lower surface of the fixing piece 9 slide on the sliding grooves formed in the inside of the fixed groove 12, the two fixing pieces 9 are inserted in the limiting grooves 24 on the outer wall of the mounting sleeve 17, the mounting sleeve 17 is fixed in the base handle 1, and the tool bit 15 is mounted;
the lower surface of the adjusting rod 19 is fixedly provided with a second threaded column 16, the second threaded column 16 is installed inside the cutter head 15 in a threaded manner, the inside of the adjusting rod 19 is provided with a sliding groove 25, the inner wall of one side of the sliding groove 25 is fixedly provided with a sliding rail 28, and the cutter head 15 is installed on the adjusting rod 19 in a threaded manner through the second threaded column 16 and the second threaded column 16 installed at the bottom of the adjusting rod 19;
a through hole 26 is formed in the inner wall of one side of the sliding groove 25, an extrusion spring 29 is fixedly mounted on the upper surface of the inner wall of the sliding groove 25, an insertion pin shaft 13 is fixedly mounted at the other end of the extrusion spring 29, an inner groove is formed in the outer wall of one side of the insertion pin shaft 13, the sliding rail 28 is slidably mounted in the inner groove, a shifting piece 27 is arranged on the outer wall of one side of the insertion pin shaft 13, the shifting piece 27 penetrates through the through hole 26 and extends to the outside of the adjusting rod 19, an insertion groove 14 is formed in the cutter head 15, one end of the insertion pin shaft 13 is inserted in the insertion groove 14, and the insertion pin shaft 13 is driven by the shifting piece 27 to move towards the inside of the sliding groove 25 under the elastic force of the extrusion spring 29 and move out of the insertion groove 14;
a balancing weight 34 and a connecting seat 35 are fixedly mounted on the outer wall of one side of the tool apron 33 through a fixing piece, a mounting plate 30 is fixedly mounted on the outer wall of one side of the basic handle 1, a moving groove 31 is formed in the middle of the mounting plate 30, a fixed circular groove 32 is formed in the outer wall of one side of the mounting plate 30, the tool apron 33 is mounted through the balancing weight 34 and the connecting seat 35, and then the balancing weight 34 and the connecting seat 35 are mounted on the tool apron 33 through the fixing piece;
one end of the fixing bolt 36 passes through the moving slot 31 and is installed in a bolt slot formed on the outer wall of one side of the connecting base 35 through threads, the moving slot 31 formed on the mounting plate 30 installed on one side of the basic handle 1 is aligned with the bolt slot formed on the connecting base 35 through the arranged fixing bolt 36, and the mounting plate 30 is installed on the connecting base 35 through the fixing bolt 36.
The working principle is as follows: when the tool is used, the tool apron 33 is installed, the balancing weight 34 and the connecting seat 35 are installed on the tool apron 33 through the fixing part, the moving groove 31 formed in the installing plate 30 installed on one side of the basic handle 1 is aligned to the bolt groove formed in the connecting seat 35, the installing plate 30 is installed on the connecting seat 35 through the fixing bolt 36, the moving groove 31 in the installing plate 30 slides on the fixing bolt 36 by moving the basic handle 1, the position of the tool bit 15 is adjusted, after the adjustment is completed, the basic handle 1 is fixed on the connecting seat 35 through the fixing bolt 36, the installing sleeve 17 is inserted into the installing groove 2 in the basic handle 1, the first threaded column 11 is rotated in the first threaded groove 10 by rotating the adjusting knob, the first threaded column 11 moves towards the inside of the fixing groove 12, the fixing part 9 is driven to move through the rotating bearing, the upper and lower surface of the fixed part 9 sets up the slide block 23 to slide on the concrete chute that the inside of the fixed slot 12 offers, two fixed parts 9 are inserted in the spacing groove 24 on the outer wall of the mounting sleeve 17, fix the mounting sleeve 17 in the inside of the basic handle 1, mount the cutter head 15, through the second threaded post 16 mounted on bottom of the adjusting lever 19, mount the threaded mounting of the cutter head 15 on the adjusting lever 19, the inserting groove 14 in the cutter head 15 corresponds to the sliding groove 25, under the elastic force of the squeezing spring 29, the inserting pin 13 is inserted in the inside of the inserting groove 14, fix the cutter head 15, the internal groove that the inserting pin 13 offers slides on the slide rail 28 that the inner wall of one side of the sliding groove 25 slides, adjust according to the length of the required adjusting lever 19 and position height to the cutter head 15, rotate the knob, the turning axis 6 rotates on the mounting bearing 8 of the drive shaft, the turning axis 6 rotates and drives the bevel gear 5 to rotate, because the meshing relation between drive bevel gear 5 and the driven bevel gear 4, drive driven bevel gear 4, thereby drive transmission shaft 3 and install the lug 20 on transmission shaft 3 and rotate, because when the installation cover 17 is pegged graft at basic handle 1, transmission shaft 3 and lug 20 just peg graft in the spread groove 21 in adjusting pole 19, transmission shaft 3 and lug 20 rotate and drive and adjust pole 19 and rotate, because adjust pole 19 through the first screw thread 18 screw thread installation that sets up on the surface in the inside screw thread inside groove 22 of installation cover 17, drive and adjust pole 19 and rotate in installation cover 17, adjust pole 19 moves down, carry out good regulation to the position height of tool bit 15.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a scalable extension boring cutter, includes basic handle (1), installation cover (17), adjusts pole (19), blade holder (33) and fixing bolt (36), its characterized in that: mounting groove (2) have been seted up to the inside of basic handle (1), logical groove (7) have been seted up on the one side inner wall of mounting groove (2), rotate through installation bearing (8) on the outer wall of one side of basic handle (1) and install axis of rotation (6), the inside fixed mounting that leads to groove (7) and extend to mounting groove (2) is passed to the one end of axis of rotation (6) has drive bevel gear (5), rotate through rolling bearing on the upper surface of mounting groove (2) inner wall and install transmission shaft (3), the one end of transmission shaft (3) is provided with lug (20), the one end fixed mounting of transmission shaft (3) has driven bevel gear (4), intermeshing between driven bevel gear (4) and the drive bevel gear (5).
2. The retractable elongated boring tool as set forth in claim 1, wherein: a fixing groove (12) is formed in the inner wall of one side of the mounting groove (2), a first threaded groove (10) is formed in the outer wall of one side of the base handle (1), a first threaded column (11) is installed on the inner thread of the first threaded groove (10), a fixing piece (9) is installed at one end of the first threaded column (11) in a rotating mode through a rotating bearing, the other end of the first threaded column (11) is located outside the base handle (1) and is fixedly provided with an adjusting knob, sliding blocks (23) are fixedly installed on the upper surface and the lower surface of the fixing piece (9), inner sliding grooves are formed in the upper surface and the lower surface of the inner wall of the fixing groove (12), the sliding blocks (23) are installed inside the inner sliding grooves in a sliding mode, a limiting groove (24) is formed in the outer surface of the mounting sleeve (17), and the fixing piece (9) is inserted into the limiting groove (24), threaded inner grooves (22) are formed in the mounting sleeve (17), the adjusting rod (19) is installed inside the threaded inner grooves (22) through first threads (18) arranged on the outer surface in a threaded mode, connecting grooves (21) are formed in the adjusting rod (19), and the transmission shaft (3) and the protruding block (20) are connected inside the connecting grooves (21) in an inserting mode.
3. The retractable elongated boring tool as set forth in claim 1, wherein: the adjustable screwdriver is characterized in that a second threaded column (16) is fixedly mounted on the lower surface of the adjusting rod (19), the second threaded column (16) is mounted inside the screwdriver head (15) in a threaded mode, a sliding groove (25) is formed in the adjusting rod (19), and a sliding rail (28) is fixedly mounted on the inner wall of one side of the sliding groove (25).
4. The retractable elongated boring tool as set forth in claim 3, wherein: the novel adjustable sliding block is characterized in that a through hole (26) is formed in the inner wall of one side of the sliding groove (25), an extrusion spring (29) is fixedly mounted on the upper surface of the inner wall of the sliding groove (25), an insertion pin shaft (13) is fixedly mounted at the other end of the extrusion spring (29), an inner groove is formed in the outer wall of one side of the insertion pin shaft (13), a sliding rail (28) is slidably mounted in the inner groove, a shifting piece (27) is arranged on the outer wall of one side of the insertion pin shaft (13), the shifting piece (27) penetrates through the through hole (26) and extends to the outside of the adjusting rod (19), an insertion groove (14) is formed in the tool bit (15), and one end of the insertion pin shaft (13) is inserted into the insertion groove (14).
5. The retractable elongated boring tool as set forth in claim 1, wherein: there are balancing weight (34) and connecting seat (35) through mounting fixed mounting on the outer wall of one side of blade holder (33), fixed mounting has mounting panel (30) on the outer wall of one side of basis handle (1), shifting chute (31) have been seted up at the middle part of mounting panel (30), fixed circular slot (32) have been seted up on the outer wall of one side of mounting panel (30).
6. The retractable elongated boring tool as set forth in claim 5, wherein: one end of the fixing bolt (36) penetrates through the moving groove (31) and is installed in a bolt groove formed in the outer wall of one side of the connecting seat (35) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120161117.3U CN215033695U (en) | 2021-01-21 | 2021-01-21 | Telescopic lengthened boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120161117.3U CN215033695U (en) | 2021-01-21 | 2021-01-21 | Telescopic lengthened boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215033695U true CN215033695U (en) | 2021-12-07 |
Family
ID=79251868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120161117.3U Active CN215033695U (en) | 2021-01-21 | 2021-01-21 | Telescopic lengthened boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215033695U (en) |
-
2021
- 2021-01-21 CN CN202120161117.3U patent/CN215033695U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215033695U (en) | Telescopic lengthened boring cutter | |
| CN210208719U (en) | Novel drilling machine for machining hardware sheet metal parts | |
| CN210010506U (en) | Drilling, boring and chamfering combined tool | |
| CN201224128Y (en) | Adjustable broach | |
| CN215238009U (en) | Boring feed device of horizontal lathe | |
| CN213317750U (en) | Boring cutter with adjustable depth for precision hole machining | |
| CN221249389U (en) | Electric drill stretching countersunk hole tool | |
| CN110293267B (en) | Gear chamfering machine tool | |
| CN208895559U (en) | A kind of utility knife holder structure | |
| CN216801730U (en) | Adjustable numerical control cutting tool | |
| CN215315805U (en) | Semi-mounted adjustable drilling machine | |
| CN212496435U (en) | Cutting and milling device of vertical milling frame for processing carbon felt cylinder port | |
| CN214977815U (en) | Cutter walking control mechanism of lathe | |
| CN220739704U (en) | Tapping mechanism for metal cutting | |
| CN213496576U (en) | Adjustable frame for drilling machine | |
| CN219747210U (en) | Stable feeding device of numerical control lathe | |
| CN213944945U (en) | Novel drilling machine for machining | |
| CN221270353U (en) | Positioning mechanism of flat drilling machine | |
| CN212822904U (en) | Clamping device for drilling machine | |
| CN220462349U (en) | Wheel groove finish milling cutter for machining engine flywheel | |
| CN222020714U (en) | Drilling tool for stepped machining | |
| CN213857206U (en) | Four-axis double-table-board machining center | |
| CN217372685U (en) | Perforating device for wood processing | |
| CN220560881U (en) | Novel milling sand roller helical groove and ventilation hole machine tool | |
| CN215787031U (en) | Side milling head mounting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |