CN211071872U - Adjustable boring cutter device - Google Patents
Adjustable boring cutter device Download PDFInfo
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- CN211071872U CN211071872U CN201921372969.6U CN201921372969U CN211071872U CN 211071872 U CN211071872 U CN 211071872U CN 201921372969 U CN201921372969 U CN 201921372969U CN 211071872 U CN211071872 U CN 211071872U
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Abstract
The utility model provides an adjustable boring cutter device, including basic handle of a knife, cutter holder, hilt, the cutter of fixed connection in proper order, be equipped with adjustment mechanism on the cutter holder, including coaxial special holding bolt and the gear that sets up on the adjustment mechanism, special holding bolt transversely runs through the cutter holder, and can be connected with the cutter holder relatively rotatably, the gear is connected with special holding bolt key; the end part of the tool holder, facing the tool holder, is provided with a rack and a long round hole, the rack is meshed with the gear, the long round hole is parallel to the rack, the tool holder is provided with a positioning bolt and a nut, the positioning bolt and a special fastening bolt are arranged in the same direction, and the positioning bolt penetrates through the long round holes in the tool holder and is matched with the nut. The utility model adds an adjusting mechanism which adjusts the diameter of the cutter by the mutual matching between the gear and the rack, has high adjusting precision, enables the cutter to work in a larger diameter range, and saves the cost; the assembly and disassembly are simple, and the service life and the cost of the cutter are well controlled.
Description
Technical Field
The utility model relates to a machining's technical field relates to all kinds of boring machines and planer-type milling machine processing aperture cutter system, concretely relates to adjustable boring cutter device.
Background
The boring cutter is a very common cutter for reaming, the boring cutter can be used for boring holes on a plurality of machines (such as lathes, milling machines, boring machines and the like), and the adjustable boring cutter is an important cutter for machining high-precision holes and directly influences the production benefit and the product quality. When the cutter bar is used for boring, large errors exist in actual processing through zero offset or manual tool knocking, boring is difficult when the hole is bored to be close to the size, the precision of the hole is greatly restricted, and when the boring cutter device with the fine adjustment boring cutter is used for boring, the size of the boring cutter is adjusted through clockwise or anticlockwise rotation of scales, so that the diameter tolerance of the hole is guaranteed. The device with the adjustable boring cutter can carry out rough boring, semi-fine boring and fine boring, can effectively meet the requirement on the aperture, improves the utilization rate of the cutter, improves the processing efficiency and effectively reduces the processing cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides an adjustable boring cutter device, aiming at the technical problems existing in the prior art, the adjustable boring cutter device is improved and installed on the basis of the original basic knife handle and knife handle, and a high-precision adjusting mechanism is added, thereby improving the utilization rate of the knife, increasing the adaptability of the knife, saving the cost, improving the adjusting precision, and also ensuring the precision of the aperture when processing the hole; the tool is simple and convenient to assemble and disassemble, high in positioning accuracy, capable of effectively guaranteeing the processing quality of the hole diameter, improving the processing efficiency, reducing the labor intensity and well controlling the service life and the cost of the tool.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
an adjustable boring tool device comprises a basic tool holder, a tool holder and a tool which are fixedly connected in sequence, wherein an adjusting mechanism is arranged on the tool holder, the adjusting mechanism comprises a special fastening bolt and a gear which are coaxially arranged, the special fastening bolt transversely penetrates through the tool holder and is rotatably connected with the tool holder relatively, and the gear is connected with the special fastening bolt in a key mode; the end part, facing the tool holder, of the tool holder is provided with a rack and a long round hole, the rack is meshed with the gear, the long round hole is parallel to the rack, the tool holder is provided with a positioning bolt and a nut, the positioning bolt and the special fastening bolt are arranged in the same direction, and the positioning bolt penetrates through the long round hole in the tool holder and is matched with the nut.
The utility model provides a pair of adjustable boring cutter device on the basis of former basis handle of a knife, hilt, improves and installs additional, thereby increased and mutually supported the adjustment mechanism who adjusts the cutter diameter between wheel and the rack, the regulation precision is confirmed according to the size of wheel and rack, and the quantity of tooth is more on each circle of wheel, then the regulation precision is higher. The utility model improves the utilization rate of the cutter, increases the adaptability of the cutter, enables the cutter to work in a larger diameter range, has simple operation, saves the cost, improves the adjustment precision, and also ensures the precision of the aperture when processing the hole; the tool is simple and convenient to assemble and disassemble, high in positioning accuracy, capable of effectively guaranteeing the processing quality of the hole diameter, improving the processing efficiency, reducing the labor intensity and well controlling the service life and the cost of the tool.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Preferably, one end of the special fastening bolt is arranged in a gradually expanding shape, the other end of the special fastening bolt is provided with a rotary adjusting head, the rotary adjusting head is provided with a dial, the dial is in interference fit with the special fastening bolt, when the rotary adjusting head is rotated, the dial and the rotary adjusting head synchronously rotate, and the adjusting amplitude is controlled according to the positions of scales on the dial after adjustment and before adjustment; the rotary adjusting head is also provided with a clamp spring groove, a clamp spring is mounted on the clamp spring groove and is abutted against the tool holder, the position of a special fastening bolt on the clamp is positioned, and a gear is prevented from being separated from the rack; the special fastening bolt is provided with a second key in the middle, the gear axis is provided with a through hole, the edge of the through hole is provided with a second key groove, and the second key groove is matched with the second key. Rotate through the rotation regulation head, driven the gear rotation, utilize gear drive's principle to turn into the regulation action: the tool holder moves linearly along the long edge of the long round hole to drive the tool to move in the radial direction, so that the diameter of the working area of the tool is adjusted, and the size of the boring hole is changed.
Preferably, the tool holder is hollow, a first through hole and a second through hole are formed in the tool holder, the special fastening bolt penetrates through the first through hole, the gear is arranged inside the tool holder, and the clamp spring, the dial and the rotary adjusting head are sequentially arranged outside the tool holder; the positioning bolt penetrates through the second through hole and the long round hole in the tool holder and is locked with the nut, and the rack is meshed with the gear in the tool holder. The gear and the rack are arranged inside the tool holder, so that flying chips in the boring process can be prevented from being embedded between the gear and the rack to cause difficulty in adjustment and damage to an adjusting mechanism.
Preferably, the tool holder surface is further provided with an indication arrow, which is arranged next to the dial. The indicating arrow facilitates the reading of the dial numerical value by an operator, and is favorable for controlling the adjusting accuracy.
Preferably, a slotted hole is formed in the basic tool holder, one end, close to the basic tool holder, of the tool holder is embedded into the slotted hole in the basic tool holder and is matched with the slotted hole, threaded holes which are coaxially formed in the end portions of the basic tool holder and the tool holder are formed in the end portions of the basic tool holder and the tool holder, and the basic tool holder and the tool holder are fixedly connected through a first screw; still be equipped with first key on the basis handle of a knife, the tip of cutter holder is provided with first keyway, first key with first keyway cooperation on the cutter holder. Threaded connection and key-type connection's dual connection make the connection between basic handle of a knife and the cutter holder more reliable, make the moment of torsion of basic handle of a knife transmit cutter holder, handle of a knife, cutter better, prevent that basic handle of a knife and cutter holder from carrying out relative rotation at the bore hole in-process, protect equipment.
Preferably, a cutter mounting groove is formed in the hilt, a threaded hole penetrating through the hilt is formed in the cutter mounting groove, the threaded hole in the hilt is perpendicular to the cutter mounting groove, a fourth screw is mounted in the threaded hole in the hilt, and the cutter is fixedly mounted in the cutter mounting groove through the fourth screw.
Preferably, at least two threaded holes are formed in the tool holder, and the fourth screw is mounted in each threaded hole in the tool holder. According to the principle of confirming one straight line at two points, the cutter is more reliably installed on the cutter handle by more than two fourth screws, and the relative rotation between the cutter and the cutter handle is prevented.
Preferably, two long sides of the long round hole are parallel to each other, and the long side of the long round hole is parallel to the rack. When the gear rotates, the gear is meshed with the rack, so that the rack drives the cutter handle to displace along the arrangement direction of the rack, two long edges of the long round hole are parallel to each other, the long round hole in the cutter handle is arranged in parallel to the rack, the movement direction of the cutter handle can be defined as linear movement along the long edges in the range of the long round hole, and the adjustment of the diameter of the working range of the cutter is facilitated.
The utility model has the advantages that: the utility model provides a pair of adjustable boring cutter device on the basis of former basis handle of a knife, hilt, improves and installs additional, thereby increased and mutually supported the adjustment mechanism who adjusts the cutter diameter between wheel and the rack, the regulation precision is confirmed according to the size of wheel and rack, and the quantity of tooth is more on each circle of wheel, then the regulation precision is higher. The utility model improves the utilization rate of the cutter, increases the adaptability of the cutter, enables the cutter to work in a larger diameter range, has simple operation, saves the cost, improves the adjustment precision, and also ensures the precision of the aperture when processing the hole; the tool is simple and convenient to assemble and disassemble, high in positioning accuracy, capable of effectively guaranteeing the processing quality of the hole diameter, improving the processing efficiency, reducing the labor intensity and well controlling the service life and the cost of the tool.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a rear view of the present invention;
FIG. 4 is a component view of the present invention;
FIG. 5 is a schematic view of the mounting structure of the adjusting mechanism of the present invention;
FIG. 6 is a schematic view of the tool holder of the present invention;
fig. 7 is a schematic view of the structure of the knife handle of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the tool comprises a basic tool handle, 101, a first screw, 102, a second screw, 103, a first key, 2, a tool holder, 201, a first through hole, 202, a second through hole, 203, a positioning bolt, 204, a nut, 205, an indicating arrow, 3, a tool holder, 301, a third screw, 302, a rack, 303, an elongated hole, 304, a fourth screw, 4, a tool, 401, a third through hole, 5, an adjusting mechanism, 501, a special fastening bolt, 5011, a clamp spring groove, 502, a second key, 503, a fifth screw, 504, a gear, 505, a clamp spring, 506 and a dial.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 7, an adjustable boring tool device includes a basic tool holder 1, a tool holder 2, a tool holder 3, and a tool 4, which are fixedly connected in sequence, wherein an adjusting mechanism 5 is disposed on the tool holder 2, the adjusting mechanism 5 includes a special fastening bolt 501 and a gear 504, which are coaxially disposed, the special fastening bolt 501 transversely penetrates through the tool holder 2 and is connected with the tool holder 2 in a relatively rotatable manner, and the gear 504 is connected with the special fastening bolt 501 in a key manner; the end part of the tool holder 3 facing the tool holder 2 is provided with a rack 302 and an elongated hole 303, the rack 302 is meshed with the gear 504, the elongated hole 303 is arranged in parallel with the rack 302, the tool holder 2 is provided with a positioning bolt 203 and a nut 204, the positioning bolt 203 and the special fastening bolt 501 are arranged in the same direction, and the positioning bolt 203 penetrates through the tool holder 2 and the elongated hole 303 on the tool holder 3 and is matched with the nut 204.
The adjustable boring cutter device provided by the embodiment is improved and additionally installed on the basis of the original basic tool holder 1 and the original basic tool holder 3, the adjusting mechanism 5 which is matched with the gear 504 and the rack 302 to adjust the diameter of the tool 4 is additionally arranged, the adjusting precision is determined according to the sizes of the gear 504 and the rack 302, and the more the number of teeth on each circle of gear 504 is, the higher the adjusting precision is. The embodiment improves the utilization rate of the cutter 4, increases the adaptability of the cutter 4, enables the cutter 4 to work in a larger diameter range, is simple to operate, saves the cost, improves the adjustment precision, and also ensures the precision of the aperture when a hole is machined; the tool 4 is simple and convenient to assemble and disassemble, high in positioning accuracy, capable of effectively guaranteeing the processing quality of the hole diameter, improving the processing efficiency, reducing the labor intensity and well controlling the service life and the cost of the tool 4.
On the basis of the above technical solution, the present embodiment can be further improved as follows.
In this embodiment, as shown in fig. 4 and 5, one end of the special fastening bolt 501 is provided in a gradually expanding shape, the other end thereof is provided with a rotation adjusting head, the end portion is provided in a gradually expanding shape, the holder 2 and the gear 504 are positioned at the end portion of the special fastening bolt 501, the rotation adjusting head is provided with a dial 506, and the dial 506 is in interference fit with the special fastening bolt 501, so that the dial 506 is effectively fixed to the special fastening bolt 501. When the rotary adjusting head is rotated, the dial 506 and the rotary adjusting head synchronously rotate, and the adjusted value is visually seen according to the positions of the scales on the dial 506 after adjustment and before adjustment, so that the adjustment amplitude is controlled; the rotary adjusting head is provided with an inward-sinking type hexagon socket, a special hexagon screwdriver is used for adjusting when the rotary adjusting head is adjusted, non-professional persons are prevented from using tools randomly for operation, and equipment safety is protected. The rotary adjusting head is also provided with a clamp spring slot 5011, a clamp spring 505 is mounted on the clamp spring slot 5011, the clamp spring 505 is abutted against the tool holder 2 to position the position of the special fastening bolt 501 on the clamp, and the gear 504 is prevented from being separated from the rack 302 to cause adjustment failure; the middle of the special fastening bolt 501 is provided with a second key 502, the second key 502 is mounted on the special fastening bolt 501 through a fifth screw 503, the axis of the gear 504 is provided with a through hole, the edge of the through hole is provided with a second key slot, and the second key slot is matched with the second key 502. The rotation of the rotation adjusting head drives the gear 504 to rotate, and the adjustment action is converted into the following actions by utilizing the principle of gear 504 transmission: the tool holder moves linearly along the long edge of the long circular hole 303 to drive the tool 4 to move in the radial direction, so that the diameter of the working area of the tool 4 is adjusted, and the size of a boring hole is changed.
As shown in fig. 6, the tool holder 2 is hollow, a first through hole 201 and a second through hole 202 are provided on the tool holder 2, the special fastening bolt 501 penetrates through the first through hole 201, the gear 504 is provided inside the tool holder 2, the clamp spring 505 and the dial 506 are sequentially provided outside the tool holder 2, and an end portion of the special fastening bolt 501, which is far away from the rotary adjusting head, is also provided outside the tool holder 2; the positioning bolt 203 passes through the second through hole 202 and the oblong hole 303 of the tool holder 3 and is locked with the nut 204, and the rack 302 and the gear 504 are engaged inside the tool holder 2. The gear 504 and the rack 302 are arranged inside the tool holder 2, so that flying chips generated in the boring process can be prevented from being embedded between the gear 504 and the rack 302, which causes difficulty in adjustment and damages to the adjusting mechanism 5.
In this embodiment, as shown in fig. 3, the surface of the tool holder 2 is further provided with an indication arrow 205, said indication arrow 205 being arranged next to said dial 506. The indication arrow 205 facilitates the operator's reading of the dial 506 value, which facilitates the controlled adjustment accuracy.
As shown in fig. 2 to 3, a slotted hole is formed in the basic tool holder 1, one end of the tool holder 2 close to the basic tool holder 1 is embedded into the slotted hole in the basic tool holder 1 and is matched with the slotted hole, threaded holes coaxially arranged are formed in the end portions of the basic tool holder 1 and the tool holder 2, and the basic tool holder 1 and the tool holder 2 are fixedly connected through a first screw 101; the basic knife handle 1 is also provided with a first key 103, and the first key 103 is arranged on the basic knife handle 1 through a second screw 102; the end of the holder 2 is provided with a first key slot and the first key 103 cooperates with the first key slot on the holder 2. Threaded connection and key-type connection's dual connection make the connection between basic handle of a knife 1 and the cutter holder 2 more reliable, make the moment of torsion of basic handle of a knife 1 transmit cutter holder 2, handle of a knife, cutter 4 better, prevent that basic handle of a knife 1 and cutter holder 2 from carrying out relative rotation at the bore hole in-process, protect equipment.
As shown in fig. 7, a rack 302 is mounted at one end of the handle 3, and a third screw 301 is respectively disposed at two ends of the rack 302 and fixedly mounted on the handle 3 through the third screw 301; the other end is equipped with cutter 4 mounting groove on the hilt 3, be equipped with on the cutter 4 mounting groove and run through the screw hole of hilt 3, on the hilt 3 the screw hole is perpendicular the setting of cutter 4 mounting groove, be provided with on the cutter 4 size with on the hilt 3 the screw hole size unanimous third through-hole 401, on the hilt 3 the threaded hole is downthehole to be installed the fourth screw 304, the fourth screw 304 pass third through-hole 401, with cutter 4 fixed mounting in the cutter 4 mounting groove. When the lower cutter 4 needs to be disassembled, the fourth screw 304 is unscrewed, and the installation and the disassembly are convenient.
In this embodiment, three threaded holes are formed in the hilt 3, and the fourth screw 304 is installed in each threaded hole of the hilt 3. Based on the principle of confirming a straight line at two points, the two or more fourth screws 304 more reliably attach the tool 4 to the holder 3, and prevent relative rotation between the tool 4 and the holder 3.
In this embodiment, two long sides of the long circular hole 303 are parallel to each other, and the long side of the long circular hole 303 is parallel to the rack 302. When the gear 504 rotates, the gear 504 is meshed with the rack 302, so that the rack 302 drives the cutter handle 3 to displace along the arrangement direction of the rack 302, two long edges of the long circular hole 303 are parallel to each other, the long circular hole 303 in the cutter handle 3 is arranged in parallel to the rack 302, the movement direction of the cutter handle 3 can be defined as linear movement along the long edges in the range of the long circular hole 303, and the diameter of the working range of the cutter 4 can be adjusted more conveniently.
The adjustable boring cutter device provided by the embodiment is improved and additionally installed on the basis of the original basic tool holder 1 and the original basic tool holder 3, the adjusting mechanism 5 which is matched with the gear 504 and the rack 302 to adjust the diameter of the tool 4 is additionally arranged, the adjusting precision is determined according to the sizes of the gear 504 and the rack 302, and the more the number of teeth on each circle of gear 504 is, the higher the adjusting precision is. The utility model improves the utilization rate of the cutter 4, increases the adaptability of the cutter 4, enables the cutter 4 to work in a larger diameter range, has simple operation, saves cost, improves the adjustment precision, and also ensures the precision of the aperture when processing the hole; the tool 4 is simple and convenient to assemble and disassemble, high in positioning accuracy, capable of effectively guaranteeing the processing quality of the hole diameter, improving the processing efficiency, reducing the labor intensity and well controlling the service life and the cost of the tool 4.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The adjustable boring tool device is characterized by comprising a basic tool holder (1), a tool holder (2), a tool holder (3) and a tool (4) which are fixedly connected in sequence, wherein an adjusting mechanism (5) is arranged on the tool holder (2), the adjusting mechanism (5) comprises a special fastening bolt (501) and a gear (504) which are coaxially arranged, the special fastening bolt (501) transversely penetrates through the tool holder (2) and is connected with the tool holder (2) in a relatively rotatable manner, and the gear (504) is connected with the special fastening bolt (501) in a key connection manner; the end part, facing the tool holder (2), of the tool holder (3) is provided with a rack (302) and a long round hole (303), the rack (302) is meshed with the gear (504), the long round hole (303) is parallel to the rack (302), a positioning bolt (203) and a nut (204) are arranged on the tool holder (2), the positioning bolt (203) and the special tightening bolt (501) are arranged in the same direction, and the positioning bolt (203) penetrates through the long round hole (303) in the tool holder (2) and the tool holder (3) and is matched with the nut (204).
2. The adjustable boring cutter device as claimed in claim 1, wherein one end of the special fastening bolt (501) is arranged in a gradually expanding shape, the other end of the special fastening bolt is provided with a rotary adjusting head, the rotary adjusting head is provided with a dial (506), and the dial (506) is in interference fit with the special fastening bolt (501); the rotary adjusting head is also provided with a clamp spring groove (5011), a clamp spring (505) is mounted on the clamp spring groove (5011), and the clamp spring (505) is tightly abutted to the cutter holder (2); special holding bolt (501) middle part is equipped with second key (502), gear (504) axle center is equipped with the through-hole, the through-hole border is equipped with the second keyway, the second keyway with second key (502) cooperation.
3. The adjustable boring tool device as claimed in claim 2, characterized in that the tool holder (2) is hollow, a first through hole (201) and a second through hole (202) are arranged on the tool holder (2), the special fastening bolt (501) penetrates through the first through hole (201), the gear (504) is arranged inside the tool holder (2), the clamp spring (505) and the dial (506) are arranged in sequence, and the rotary adjusting head is arranged outside the tool holder (2); the positioning bolt (203) penetrates through the second through hole (202) and the long round hole (303) in the tool holder (3) and is locked with the nut (204), and the rack (302) is meshed with the gear (504) in the tool holder (2).
4. The adjustable boring tool arrangement according to claim 2, characterized in that the tool holder (2) surface is further provided with an indication arrow (205), which indication arrow (205) is arranged in abutment with the dial (506).
5. The adjustable boring tool device as claimed in claim 1, wherein a slotted hole is formed in the basic tool shank (1), one end of the tool holder (2) close to the basic tool shank (1) is embedded in and matched with the slotted hole in the basic tool shank (1), a threaded hole which is coaxially arranged is formed in the end portions of the basic tool shank (1) and the tool holder (2), and the basic tool shank (1) and the tool holder (2) are fixedly connected through a first screw (101); still be equipped with first key (103) on the basis handle of a knife (1), the tip of cutter holder (2) is provided with first keyway, first key (103) with the first keyway cooperation on the cutter holder (2).
6. The adjustable boring tool device as claimed in claim 1, wherein the tool holder (3) is provided with a tool (4) mounting slot, the tool (4) mounting slot is provided with a threaded hole penetrating through the tool holder (3), the threaded hole in the tool holder (3) is arranged perpendicular to the tool (4) mounting slot, the threaded hole in the tool holder (3) is provided with a fourth screw (304), and the fourth screw (304) fixedly mounts the tool (4) in the tool (4) mounting slot.
7. The adjustable boring tool device as claimed in claim 6, wherein the tool holder (3) is provided with at least two threaded holes, and the fourth screw (304) is mounted in each threaded hole of the tool holder (3).
8. The adjustable boring tool device as claimed in claim 1, wherein the two long sides of the oblong hole (303) are parallel to each other and the long sides of the oblong hole (303) are arranged parallel to the rack (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921372969.6U CN211071872U (en) | 2019-08-22 | 2019-08-22 | Adjustable boring cutter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921372969.6U CN211071872U (en) | 2019-08-22 | 2019-08-22 | Adjustable boring cutter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211071872U true CN211071872U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921372969.6U Active CN211071872U (en) | 2019-08-22 | 2019-08-22 | Adjustable boring cutter device |
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| Country | Link |
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| CN (1) | CN211071872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101727A (en) * | 2021-12-24 | 2022-03-01 | 浙江菲尔特过滤科技股份有限公司 | Metal fiber machining tool and machining method |
-
2019
- 2019-08-22 CN CN201921372969.6U patent/CN211071872U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101727A (en) * | 2021-12-24 | 2022-03-01 | 浙江菲尔特过滤科技股份有限公司 | Metal fiber machining tool and machining method |
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