CN219818067U - Hard alloy knife with looseness prevention function for numerical control lathe - Google Patents
Hard alloy knife with looseness prevention function for numerical control lathe Download PDFInfo
- Publication number
- CN219818067U CN219818067U CN202320525002.7U CN202320525002U CN219818067U CN 219818067 U CN219818067 U CN 219818067U CN 202320525002 U CN202320525002 U CN 202320525002U CN 219818067 U CN219818067 U CN 219818067U
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- groove
- sliding
- hard alloy
- block
- clamping block
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- 239000000956 alloy Substances 0.000 title claims abstract description 31
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 31
- 230000002265 prevention Effects 0.000 title claims description 12
- 238000003754 machining Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model discloses a hard alloy cutter for a numerical control lathe, which comprises a hard alloy cutter handle, a hard alloy cutter head and an anti-loosening assembly, wherein the hard alloy cutter head is arranged at the bottom end of the hard alloy cutter handle, the anti-loosening assembly is arranged at the upper end of the hard alloy cutter handle, the anti-loosening assembly comprises a groove formed in the side wall of the hard alloy cutter handle, a clamping block moving in the horizontal direction is arranged in the groove, springs are arranged on the clamping block and the inner wall of the groove, and a driving piece for driving the clamping block to retract into the groove is arranged at the bottom of the clamping block. According to the fixture, the groove, the clamping block, the spring and the driving piece are arranged, the driving piece drives the clamping block to translate to the groove to compress the spring, the clamping block moves into the groove, the top of the hard alloy cutter handle is inserted into the fixture, the clamping block is positioned in the fixture, the driving piece is loosened, the clamping block stretches out of the groove under the action of the spring, and therefore the lathe fixture is firmly connected with the hard alloy cutter handle, and the hard alloy cutter is prevented from falling off from the fixture.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a hard alloy cutter with an anti-loosening function for a numerical control lathe.
Background
A numerical control lathe is one of the numerical control lathes that are widely used. The cutting tool is mainly used for cutting machining of inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces of any cone angle, complex rotation inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can be used for grooving, drilling, reaming, boring and the like. The numerical control machine tool automatically processes the processed parts according to a processing program which is programmed in advance. When the numerical control lathe is used for processing the metal part, a hard alloy cutter is needed, and the part processed by the hard alloy cutter can obtain the required dimensional accuracy and surface quality, so that the method is the most basic processing method in the mechanical manufacturing industry.
The carbide tool for the numerical control lathe in the prior art does not have an anti-loosening structure, cannot be firmly connected with a lathe fixture, and when the connection is not in a fixed time, the carbide tool is easy to fall off from the fixture to cause the breakage of the tool bit, so that the machining of work is affected.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the hard alloy cutter for the numerical control lathe, which has the anti-loosening function, and can solve the problems that the hard alloy cutter in the prior art cannot be firmly connected with a lathe fixture, so that the hard alloy cutter is easy to fall off from the fixture and the like.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a carbide sword for numerical control lathe with anti-loosening, includes carbide handle of a knife, carbide tool bit and locking subassembly that takes off, the carbide tool bit sets up in carbide handle of a knife bottom, locking subassembly setting is in carbide handle of a knife upper end, locking subassembly that takes off is including seting up the recess at carbide handle of a knife lateral wall, be equipped with the fixture block that removes along the horizontal direction in the recess, fixture block and recess inner wall are equipped with the spring, the fixture block bottom is equipped with the driving piece that drives the fixture block and retract to in the recess.
As a further improvement of the above technical scheme:
the driving piece comprises a first inclined block, a second inclined block, a sliding sleeve, a first connecting rod, a second connecting rod and an upper lifting rod, wherein the first inclined block is fixedly arranged at the bottom of a clamping block, the first inclined block and the second inclined block are in sliding connection, the bottom of the second inclined block is connected with the first connecting rod, the bottom of the first connecting rod is in butt joint with the bottom of a groove, the sliding sleeve is arranged on the side wall of the groove through the second connecting rod, the sliding sleeve is sleeved outside the first connecting rod and is in sliding connection with the first connecting rod, a sliding column is arranged on the front surface of the first connecting rod, a first sliding groove matched with the sliding column is formed in the upper lifting rod, the sliding column is in sliding connection with the first sliding groove, one end of the upper lifting rod is hinged with the side wall of the groove, and the other end of the upper lifting rod is a free end.
The free end of the upper lifting rod is sleeved with a rubber anti-sleeve.
And a limiting clamping groove is formed in the upper side of the hard alloy knife handle.
The clamping block is characterized in that a positioning groove is formed in the inner side surface of the clamping block, one end of the spring is connected with the side wall of the positioning groove, and the other end of the spring is connected with the side wall of the groove.
One end of the clamping block, which is far away from the spring, is arc-shaped.
The length of the clamping block is not greater than the depth of the groove.
The second sliding groove is formed in the top wall of the groove, the sliding block is embedded in the second sliding groove, the second sliding groove is connected with the sliding block in a sliding mode, and the sliding block is connected with the clamping block.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the fixture, the groove is formed, the fixture block, the spring and the driving piece are arranged in the groove, the driving piece drives the fixture block to translate and compress the spring into the groove, the fixture block moves into the groove, the top of the hard alloy cutter handle is inserted into the lathe fixture, the fixture block is positioned in the fixture, the driving piece is loosened, the fixture block stretches out of the groove under the action of the spring, and therefore the lathe fixture is firmly connected with the hard alloy cutter handle, and the hard alloy cutter is prevented from falling off the fixture.
2. The driving piece comprises the first inclined block, the second inclined block, the first connecting rod, the second connecting rod, the sliding sleeve and the upper lifting rod, the upper lifting rod is upwards shifted to drive the first connecting rod and the second inclined block to move upwards, the second inclined block pushes the first inclined block and the clamping block to move into the groove, the operation is very simple, the clamping block is connected with the groove in a sliding mode, and the stability of horizontal movement of the clamping block is improved.
Drawings
FIG. 1 is a schematic view of the overall internal structure of the present utility model;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is a schematic view of the sliding connection of the second chute and the slider;
in the figure: 1. a hard alloy knife handle; 2. cemented carbide tool bit; 3. an anti-loosening assembly; 31. a groove; 311. a second chute; 32. a clamping block; 321. a positioning groove; 33. a spring; 34. a driving member; 341. a first sloping block; 342. a second sloping block; 343. a sliding sleeve; 344. a first link; 345. a second link; 346. an upper lifting rod; 347. a spool; 348. a first chute; 4. a limit clamping groove; 5. a sliding block.
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.
As shown in fig. 1 to 3, the carbide tool for a numerical control lathe with looseness prevention function of the embodiment comprises a carbide tool holder 1, a carbide tool bit 2 and a looseness prevention component 3, wherein the carbide tool bit 2 is arranged at the bottom end of the carbide tool holder 1, the looseness prevention component 3 is arranged at the upper end of the annular outer wall of the carbide tool holder 1, the looseness prevention component 3 comprises a groove 31 formed in the side wall of the carbide tool holder 1, a clamping block 32 moving along the horizontal direction is arranged in the groove 31, a spring 33 is arranged on the inner wall of the clamping block 32 and the inner wall of the groove 31, a driving piece 34 for driving the clamping block 32 to retract into the groove 31 is arranged at the bottom of the clamping block 32, the groove 31 is used for accommodating the clamping block 32, the carbide tool holder 1 is quickly inserted into a lathe fixture, and the clamping block 32 is tightly attached to the inner wall of the fixture under the action of the spring 33.
Specifically, the driving member 34 includes a first inclined block 341, a second inclined block 342, a sliding sleeve 343, a first connecting rod 344, a second connecting rod 345, an upper lifting rod 346, wherein the first inclined block 341 is fixedly arranged at the bottom of the clamping block 32, the first inclined block 341 and the second inclined block 342 are in sliding connection, the bottom of the second inclined block 342 is connected with the first connecting rod 344, the bottom end of the first connecting rod 344 is abutted to the bottom of the groove 31, the sliding sleeve 343 is arranged on the side wall of the groove 31 through the second connecting rod 345, the sliding sleeve 343 is sleeved outside the first connecting rod 344 and is in sliding connection with the first connecting rod 344, a sliding column 347 is arranged on the front surface of the first connecting rod 344, a first sliding groove 348 matched with the sliding column 347 is arranged on the upper lifting rod 346, the sliding column 347 is in sliding connection with the first sliding groove 348, one end of the upper lifting rod 346 is hinged with the side wall of the groove 31, the other end of the upper lifting rod 346 is a free end, and during installation, the upper lifting rod 346 drives the first connecting rod 344 and the second inclined block 342 to move upwards, so that the first inclined block 341 and the clamping block 32 are pushed to compress the spring 33, the clamping block 32 is accommodated in the groove 31, the upper end of the clamping rod 1 is inserted into the clamping tool holder, then the upper end of the clamping rod 1 is inserted into the clamping holder 1, the upper clamping rod 346 is released, the inner wall of the clamping holder 32 is closed, and the clamping fixture 32 is closed.
In this embodiment, the free end of the upper pole 346 is sleeved with a rubber boot.
In this embodiment, a limiting slot 4 is formed on the upper side of the cemented carbide knife handle 1.
In this embodiment, the inner side surface of the clamping block 32 is provided with a positioning groove 321, one end of the spring 33 is connected with the side wall of the positioning groove 321, and the other end of the spring 33 is connected with the side wall of the groove 31.
In this embodiment, an end of the latch 32 away from the spring 33 is arc-shaped.
In this embodiment, the length of the latch 32 is not greater than the depth of the recess 31, and the latch 32 can be completely moved into the recess 31.
In this embodiment, a second sliding groove 311 is formed on the top wall of the groove 31, a sliding block 5 is embedded in the second sliding groove 311, the second sliding groove 311 is slidably connected with the sliding block 5, and the sliding block 5 is connected with the clamping block 32.
The specific working principle is as follows: during installation, an operator holds the lower part of the hard alloy knife handle 1, inserts the upper end of the hard alloy knife handle 1 into the fixture, is connected with the fixture through the limiting clamping groove 4 in a clamping mode, pushes the upper lifting rod 346 upwards, the upper lifting rod 346 drives the first connecting rod 344 to move upwards along the sliding sleeve 343, the first connecting rod 344 drives the second inclined block 342 to move upwards, accordingly, the first inclined block 341 and the clamping block 32 are pushed to move left to compress the spring 33, the clamping block 32 is completely contained in the groove 31, the hard alloy knife handle 1 continues to move upwards, the clamping block 32 is located at the internal position of the fixture, then the upper lifting rod 346 is loosened, the spring 33 is reset, the clamping block 32 is pushed to extend out of the groove 31, and the clamping block 32 is tightly attached to the inner wall of the fixture.
Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit 55 and principles of the present utility model.
Claims (8)
1. The utility model provides a carbide sword for numerical control lathe with anti-loosening, includes carbide handle of a knife (1), carbide tool bit (2) and locking subassembly (3), carbide tool bit (2) set up in carbide handle of a knife (1) bottom, locking subassembly (3) set up in carbide handle of a knife (1) upper end, a serial communication port, locking subassembly (3) are including seting up recess (31) at carbide handle of a knife (1) lateral wall, be equipped with fixture block (32) along the horizontal direction removal in recess (31), fixture block (32) are equipped with spring (33) with recess (31) inner wall, fixture block (32) bottom is equipped with drive fixture block (32) and contracts driving piece (34) in recess (31).
2. The hard alloy cutter for a numerical control lathe with looseness prevention according to claim 1, wherein the driving piece (34) comprises a first inclined block (341), a second inclined block (342), a sliding sleeve (343), a first connecting rod (344), a second connecting rod (345) and an upper lifting rod (346), the first inclined block (341) is fixedly arranged at the bottom of the clamping block (32), the first inclined block (341) and the second inclined block (342) are in sliding connection, the bottom of the second inclined block (342) is connected with the first connecting rod (344), the bottom end of the first connecting rod (344) is abutted with the bottom of the groove (31), the sliding sleeve (343) is arranged on the side wall of the groove (31) through the second connecting rod (345), the sliding sleeve (343) is sleeved outside the first connecting rod (344) and is in sliding connection with the sliding rod, a sliding column (347) is arranged on the front surface of the first connecting rod (344), a first sliding groove (348) matched with the sliding column (347) is arranged on the upper lifting rod (346), and the bottom of the first connecting rod (344) is in sliding connection with the other end of the sliding rod (31), and the sliding rod (346) is hinged with the side wall of the free lifting rod (346).
3. The cemented carbide tool for a numerically controlled lathe with anti-loosening function according to claim 2, wherein the free end of the upper lifting rod (346) is sleeved with a rubber anti-sleeve.
4. The hard alloy cutter for the numerical control lathe with the looseness prevention function according to claim 1 is characterized in that a limiting clamping groove (4) is formed in the upper side of the hard alloy cutter handle (1).
5. The hard alloy cutter for the numerical control lathe with the looseness prevention function according to claim 1, wherein a positioning groove (321) is formed in the inner side surface of the clamping block (32), one end of the spring (33) is connected with the side wall of the positioning groove (321), and the other end of the spring (33) is connected with the side wall of the groove (31).
6. The cemented carbide tool for a numerically controlled lathe with the release prevention function according to claim 1, wherein one end of the clamping block (32) far away from the spring (33) is arc-shaped.
7. Cemented carbide insert for numerically controlled lathes with release prevention according to claim 1, characterized in that the length of the clamping block (32) is not greater than the depth of the groove (31).
8. The hard alloy cutter for a numerical control lathe with looseness prevention according to any of claims 1 to 7, wherein a second sliding groove (311) is formed in the top wall of the groove (31), a sliding block (5) is embedded in the second sliding groove (311), the second sliding groove (311) is in sliding connection with the sliding block (5), and the sliding block (5) is connected with a clamping block (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320525002.7U CN219818067U (en) | 2023-03-17 | 2023-03-17 | Hard alloy knife with looseness prevention function for numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320525002.7U CN219818067U (en) | 2023-03-17 | 2023-03-17 | Hard alloy knife with looseness prevention function for numerical control lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219818067U true CN219818067U (en) | 2023-10-13 |
Family
ID=88282970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320525002.7U Active CN219818067U (en) | 2023-03-17 | 2023-03-17 | Hard alloy knife with looseness prevention function for numerical control lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219818067U (en) |
-
2023
- 2023-03-17 CN CN202320525002.7U patent/CN219818067U/en active Active
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