CN221734837U - Double-end edge machine clamp turning tool device - Google Patents
Double-end edge machine clamp turning tool device Download PDFInfo
- Publication number
- CN221734837U CN221734837U CN202323461880.6U CN202323461880U CN221734837U CN 221734837 U CN221734837 U CN 221734837U CN 202323461880 U CN202323461880 U CN 202323461880U CN 221734837 U CN221734837 U CN 221734837U
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- CN
- China
- Prior art keywords
- cutter
- turning tool
- cutter head
- blade
- double
- Prior art date
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Links
- 238000003754 machining Methods 0.000 claims abstract description 15
- 238000007790 scraping Methods 0.000 claims abstract description 11
- 230000001154 acute effect Effects 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1614—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
- B23B29/244—Toolposts, i.e. clamping quick-change toolholders, without description of the angular positioning device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model relates to a machine clamping lathe tool device, which aims to solve the problems of low machining efficiency, troublesome reference alignment and large deviation of size and roughness in the bottom scraping machining of the inner cavity of a lower box body of an existing gearbox; the turning tool comprises cutter bars, cutter heads and blades, wherein the number of the blades is two, the cutter bars and the cutter rest are perpendicular to each other, and the cutter heads are detachably connected with the cutter bars; the cutter blade is detachably connected with the cutter head, and the cutter head has the characteristics of high machining efficiency, simplicity in reference alignment and small deviation of size and roughness.
Description
Technical Field
The utility model relates to a machine clamping turning tool device, in particular to a double-end blade machine clamping turning tool device.
Background
In order to prevent the gear from interfering with the gear box, the bottom of the inner cavity of the lower box body of the gear box is required to be scraped. Because the cutter arbor has the interference phenomenon with the box inner chamber, so need to use two kinds of welding lathe tools to process respectively, need carry out the benchmark alignment again after the cutter is changed, not only reduce machining efficiency, have great influence to size and roughness moreover. The common welding lathe tool is easy to produce the phenomenon of burning or collapsing in the use process, so that the cutter is scrapped, and the production cost is increased. The cutter bar cross section area of the common welding lathe tool is smaller and is 22mm square, the cutter is easy to shake in the processing process, the size requirement cannot be met, and reworking is often required. And the roughness of the processed surface can not meet the requirement, and the processed surface can be delivered to a customer after being manually polished. Therefore, improving the bottom scraping processing quality of the lower box body of the gear box, improving the production efficiency and reducing the production cost become a problem to be solved urgently.
Disclosure of utility model
The utility model aims to solve the technical problems that: in order to solve the problems of low machining efficiency, trouble in reference alignment and large deviation of size and roughness existing in bottom scraping machining of the bottom of the inner cavity of the lower box body of the existing gearbox, the double-end blade machine clamping turning tool device is provided.
The technical scheme adopted for solving the technical problems is as follows: the double-head asymmetric machine clamp turning tool device comprises a tool rest and a turning tool, wherein one side of the tool rest is connected with a boring machine, and the other side of the tool rest is used for installing the turning tool; the turning tool comprises cutter bars, cutter heads and blades, wherein the number of the blades is two, the cutter bars and the cutter rest are perpendicular to each other, and the cutter heads are detachably connected with the cutter bars; the blade is detachably connected with the cutter head.
Further, two counter bores are formed in the cutter head, and the bolts are connected with the cutter bar through the counter bores; the blade is provided with a through hole, and a screw is used for connecting the blade with the cutter head through the through hole.
Further, the cross section of the cutter bar is square, the size of the cross section of the cutter bar is (L/3) 2, and L is the total length of the cutter.
Further, the center line of the tool bit is not coincident with the center line of the tool bar, the width of the machining interference area is a, and the offset distance isThe length of the cutter head is L1mm, the width of the processing area is L2mm, and the length of the cutter is
Tool bit height h=r-R-Ksin α+5mm, R is the bottom scraping radius, R is the hole axis radius, and K is the bevel width.
Further, the center line of the cutter head is parallel to the center line of the cutter bar, the left side and the right side of the cutter head protrude out of the cutter bar for a certain distance, and the protruding distance of one side of the cutter head is larger than that of the other side of the cutter head.
Further, the distance between the center line of the cutter head and the center line of the cutter bar is more than 6.5mm, the right side of the cutter head protrudes out of the cutter bar by more than 2mm, and the left side of the cutter head protrudes out of the cutter bar by 11mm; the length of the cutter head is less than or equal to 53mm, the width is less than or equal to 20mm, and the height of the main body is more than 20mm.
Further, the blade is diamond-shaped, and the acute angle part of the blade is a cutting part.
Further, the thickness of the blade is 3-5 mm, and the diagonal length is not more than 30mm and not less than 9.4mm respectively.
Further, after the blades are installed with the cutter head, the heights of the two blades are the same.
Further, the two acute angles of the blade are used in a switching manner.
The double-end edge machine clamp turning tool device has the beneficial effects that the cross section area of the cutter bar is increased, the cutter vibration phenomenon is effectively eliminated, the dimensional accuracy and the surface roughness of a product are improved, the labor waste and the cost waste caused by reworking are avoided, the quality of a product object is improved, and customer complaints are reduced. The double-end cutting edge avoids the secondary reference alignment after the tool changing process and remarkably improves the machining efficiency. The blade with strong interchangeability is adopted to replace a welding lathe tool, and two ends of the diamond blade can be used, so that the downtime caused by damage or excessive abrasion of the cutter is reduced, the material cost is reduced, and the diamond-shaped blade has strong practical value.
In conclusion, the utility model has the characteristics of high processing efficiency, simple reference alignment and small deviation of size and roughness.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 to 4 are schematic structural views of the present utility model.
Fig. 5 and 6 are sectional views of the bottom of the inner cavity of the lower case of the conventional gear case.
FIG. 7 is a reference view of an arrangement for configuring a tool bit shank in accordance with a work piece being machined.
In the figure: 1. knife rest, 2 cutter arbor, 3 tool bit, 4 blade.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and a preferred embodiment. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
A double-ended blade mechanically clamped turning tool assembly as shown in figures 1 to 7, comprising: the tool rest 1 and the turning tool, one side of the tool rest 1 is connected with the boring machine, the other side is used for installing a turning tool.
The lathe tool is divided into three parts of cutter arbor 2, tool bit 3 and blade 4, after the installation, cutter arbor 2 is perpendicular form or cross form with cutter arbor 1, the cross section side length of cutter arbor 2 is 2 ~ 3 times the square of tool bit diameter that is the size of cutter arbor 2 cross section (L/3) 2, L is the cutter total length, cutter arbor 2 cross-sectional area increases, effectively increase the cutter rigidity, shake the sword phenomenon effectively to eliminate in the course of working, lathe tool stability promotes by a wide margin, the dimensional accuracy of scraping the bottom surface is showing and improving, processing reworking and manual polishing are avoided, the bottom surface appearance quality of scraping is showing and is promoted, the bottom surface flatness of scraping is improved by Ra6.3, be close to Ra3.2.
Two counter bores are formed in the cutter head 3 and are fixedly connected with the cutter bar 2 through the bolt counter bores, in order to facilitate machining of the negative angle position on the wheel side of the inner cavity, the center line of the cutter head 3 is not coincident (parallel) with the center line of the cutter bar 2, the distance between the center line of the cutter head 3 and the center line of the cutter bar 2 is not less than 6.5mm, the cutter bar is protruded from the right side of the cutter head to be more than 2mm, the cutter bar is protruded from the left side of the cutter head, and the empirical data are preferably more than 10mm, and 11mm is taken; meanwhile, the length of the cutter head is less than or equal to 53mm, the width is less than or equal to 20mm, and the height of the main body is more than 20mm; taking fig. 7 as an example, the distance between the center line of the tool bit 3 and the center line of the tool bar 2 is not coincident, and the offset distance is a according to the arrangement of the machined workpiece, the width of the machining interference area is aThe length of the cutter head is L1mm, the width of the processing area is L2mm, and the length of the cutterTool bit height h=r-R-Ksin α+5mm, R is the bottom scraping radius, R is the hole axis radius, and K is the bevel width.
The blades 4 are diamond-shaped, the acute angle part of the blades is a cutting part, the thickness of the blades 4 is 3-5 mm, the diagonal length is not more than 30mm and not less than 9.4mm, the heights of the two blades are the same after the blades 4 are installed with the cutter head 3, a through hole is formed in each blade 4, the blades 4 are connected with the cutter head 3 through screws, and the blades are convenient to install and replace and have good interchangeability; the number of the blades 4 is two, so that the cutter can be clamped by a numerical control machine, and the specific size can change the structure of the mounting position according to the blades; after the blades 4 are installed with the tool bit 3, the heights of the two blades 4 are the same, both tool tips of the blades 4 can be used for machining a workpiece, and when one side is worn greatly, the blades 4 can be rotated 180 degrees to use the other tool tip for continuous machining; the blade 4 has a principal deflection angle of approximately 180 ° after installation.
Examples: when the gearbox is subjected to bottom scraping processing (comprising a negative angle area)
The inner scraping bottom machining surface is an arc groove with the radial dimension of R315mm and the axial width of 115mm, the radial dimension of the box blank is R312mm, the width is limited by the box structure, the conventional cutter can interfere with the gear opening position in the wheel side shaft hole, and the cutter can avoid interference and is used for one-time machining in place.
Step 1: and assembling the turning tool, fixing a cutter bar through a cutter rest notch and a locking screw, enabling the right turning tool to be close to a boring machine, enabling the left turning tool to be close to a workpiece, and finishing installation.
Step 2: after aligning the center of the shaft hole, the inner diameter and the end face of the shaft hole are used for respectively carrying out tool setting on the radial diameter and the axial displacement, and after the tool setting is finished, the workpiece is machined from the right side to the left side. f is 0.26mm/r, spindle speed is 185 revolutions/minute, feed speed is calculated by vf=n·fz·z, n is tool or work piece speed, fz is feed per tooth, z is number of teeth of the tool, i.e., vf=48.1 mm/min, axial movement is axial width minus tool bit length, i.e., 115-53=62 mm. The main deflection angle of the cutter approaches 90 degrees, and the cutting depth theory is (R315-R312), namely 3mm, and the cutter can be processed by 2-3 cutters.
Due to the two blades 4, the processing area with the total length of 115mm can be processed at one time, the direction of a cutter is not required to be changed, multiple tool setting is avoided, the processing efficiency is improved, meanwhile, secondary tool receiving is avoided, and the surface quality is improved.
The foregoing description is merely illustrative of specific embodiments of the utility model, and the utility model is not limited to the details shown, since modifications and variations of the foregoing embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (10)
1. The double-end edge machine tool clamping turning tool device comprises a tool rest and a turning tool, wherein one side of the tool rest is connected with a boring machine, and the other side of the tool rest is used for installing the turning tool; the method is characterized in that: the turning tool comprises cutter bars, cutter heads and blades, wherein the number of the blades is two, the cutter bars and the cutter rest are perpendicular to each other, and the cutter heads are detachably connected with the cutter bars; the blade is detachably connected with the cutter head.
2. The double-ended blade mechanically clamped turning tool device of claim 1, wherein: two counter bores are formed in the cutter head, and bolts are connected with the cutter bar through the counter bores; the blade is provided with a through hole, and a screw is used for connecting the blade with the cutter head through the through hole.
3. The double-ended blade mechanically clamped turning tool device of claim 1, wherein: the cross section of the cutter bar is square, the size of the cross section of the cutter bar is (L/3) 2, and L is the total length of the cutter.
4. The double-ended blade mechanically clamped turning tool device of claim 1, wherein: the center line of the cutter head is not overlapped with the center line of the cutter bar, the width of the machining interference area is a, and the offset distance is (a+The length of the cutter head is L1mm, the width of the processing area is L2mm, and the length of the cutter is
Tool bit height h=r-R-Ksin α+5mm, R is the bottom scraping radius, R is the hole axis radius, and K is the bevel width.
5. The double-ended blade mechanically clamped turning tool assembly of claim 4, wherein: the center line of the cutter head is parallel to the center line of the cutter bar, the left side and the right side of the cutter head protrude out of the cutter bar by a certain distance, and the protruding distance of one side of the cutter head is larger than that of the other side of the cutter head.
6. The double-ended blade mechanically clamped turning tool assembly of claim 5, wherein: the distance between the center line of the cutter head and the center line of the cutter bar is more than 6.5mm, the right side of the cutter head protrudes out of the cutter bar by more than 2mm, and the left side of the cutter head protrudes out of the cutter bar by 11mm; the length of the cutter head is less than or equal to 53mm, the width is less than or equal to 20mm, and the height of the main body is more than 20mm.
7. The double-ended blade mechanically clamped turning tool device of claim 1, wherein: the blade is diamond-shaped, and the acute angle part of the blade is a cutting part.
8. The double-ended blade mechanically clamped turning tool device of claim 7, wherein: the thickness of the blade is 3-5 mm, and the diagonal length is not more than 30mm and not less than 9.4mm respectively.
9. The double-ended blade mechanically clamped turning tool device of claim 1, wherein: after the blades and the cutter head are installed, the heights of the two blades are the same.
10. The double-ended blade mechanically clamped turning tool device of claim 7, wherein: the two acute angles of the blade are used in a switching manner.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310790130 | 2023-06-30 | ||
| CN2023107901309 | 2023-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221734837U true CN221734837U (en) | 2024-09-20 |
Family
ID=89672886
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323461880.6U Active CN221734837U (en) | 2023-06-30 | 2023-12-19 | Double-end edge machine clamp turning tool device |
| CN202311748728.8A Pending CN117483826A (en) | 2023-06-30 | 2023-12-19 | Double-end sword machine presss from both sides lathe tool device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311748728.8A Pending CN117483826A (en) | 2023-06-30 | 2023-12-19 | Double-end sword machine presss from both sides lathe tool device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN221734837U (en) |
-
2023
- 2023-12-19 CN CN202323461880.6U patent/CN221734837U/en active Active
- 2023-12-19 CN CN202311748728.8A patent/CN117483826A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN117483826A (en) | 2024-02-02 |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |