CN106624101B - Wedge block with initial positioning function and adjustable cutter - Google Patents
Wedge block with initial positioning function and adjustable cutter Download PDFInfo
- Publication number
- CN106624101B CN106624101B CN201611081902.8A CN201611081902A CN106624101B CN 106624101 B CN106624101 B CN 106624101B CN 201611081902 A CN201611081902 A CN 201611081902A CN 106624101 B CN106624101 B CN 106624101B
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- adjusting
- positioning
- wedge block
- hole
- wedge
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/24—Securing arrangements for bits or teeth or cutting inserts adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/2265—Securing arrangements for bits or teeth or cutting inserts by means of a wedge
Abstract
The invention discloses a wedge block with an initial positioning function, which comprises a wedge block body, wherein the wedge block body comprises an adjusting part and a positioning part integrated with the adjusting part, an adjusting gap for the adjusting part to move towards the positioning part is arranged between the adjusting part and the positioning part, an adjusting hole for driving the adjusting part to move in a manner of being matched with a fastener is arranged on the wedge block body, the adjusting hole penetrates through the adjusting part and the positioning part, an adjusting inclined surface for abutting against an adjusted piece and driving the adjusted piece to move is arranged on the adjusting part, a positioning bulge protruding in the axial direction of the adjusting hole and abutting against the installation base of the adjusted piece is arranged on the end surface of the positioning part, and the positioning bulge and the adjusting inclined. The adjustable cutter comprises the wedge block with the initial positioning function and has the technical effect which can be achieved by the wedge block. The invention has the advantages of simple structure and capability of realizing the functions of initial positioning and adjustment.
Description
Technical Field
The invention relates to the field of metal cutting, in particular to a wedge block with an initial positioning function and an adjustable cutter.
Background
In order to improve the quality of the machined surface of the face milling cutter, the cutter is often designed to be adjustable, thereby improving the accuracy of the cutter. The prior art mode of adjustment of the structure by a wedge mounted in a wedge pocket has found widespread use, with wedges often comprising cylindrical sides and front and rear faces. The columnar side surface comprises a columnar side surface and an inclined surface which is axially inclined with the columnar side surface, and a through hole is arranged in a direction parallel to the axial direction of the columnar side surface and penetrates through the front end surface and the rear end surface. During adjustment, the wedge block is driven by a screw penetrating through the through hole, the wedge block moves along the axial direction of the cylindrical side surface, and the inclined surface of the wedge block is in contact with an adjusted piece (an insert or a tool holder) and inclines with the moving direction of the wedge block, so that the adjusted piece (the insert or the tool holder) is pushed to move in the axial direction or the radial direction of the tool, and the purpose of adjustment is achieved. In order to enable the wedge block to axially move in the wedge block groove, a certain distance exists between the rear end surface of the wedge block and the end surface of the wedge block groove, and the size of the distance is changed at any time due to different positions of the wedge block in the wedge block groove. There are disadvantages in that: 1. the initial position of the wedge block is uncertain, so the position of the inclined plane is uncertain, the position of an adjusted piece (an insert or a tool holder) contacted with the wedge block is also uncertain, the difference value range of the height values of each adjusted piece is not controlled, and when the difference value range is larger, the adjustment time is prolonged; 2. axial clearance exists between the thread of the driving screw and the thread of the threaded hole matched with the driving screw, and poor contact is easily caused during adjustment to influence the unstable and discontinuous condition of the numerical value change of the adjustment height; and the axial clearance enables the screw to be more easily loosened under the influence of vibration during cutting, so that the positioning of the wedge block is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a wedge block and an adjustable cutter which have simple structures and initial positioning functions.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a voussoir with initial positioning function, includes the voussoir body, the voussoir body includes adjustment portion and the integrative location portion of adjustment portion, set up the adjustment clearance that is used for adjustment portion to location portion direction removal between adjustment portion and the location portion, set up the regulation hole that is used for driving adjustment portion removal with the fastener cooperation on the voussoir body, the regulation hole runs through adjustment portion and location portion, be equipped with on the adjustment portion and be used for and offset and order about its adjustment inclined plane that removes by the adjustment piece, the terminal surface of location portion is equipped with the location arch that is outstanding and offset with the installation basis of adjustment piece in adjustment hole axial direction, the location arch is located same one side with the adjustment inclined plane.
As a further improvement of the invention:
the positioning bulge is positioned at the opposite side of the joint of the adjusting part and the positioning part.
The width of the adjusting gap is L1, and the thickness of the positioning projection is L2, L1 > L2.
The adjustment hole includes a threaded hole located in the adjustment portion.
The adjusting hole further comprises an avoiding hole, and the avoiding hole is located in the positioning portion.
An adjustable cutter comprises a cutter body, a blade, a driving piece and a wedge block with an initial positioning function, wherein the cutter body is provided with a cutter groove, a wedge block groove communicated with the cutter groove is formed in the lower portion of the cutter groove of the cutter body, a positioning protrusion of a wedge block body is abutted to the bottom surface of the wedge block groove, the driving piece is connected with an adjusting hole and the cutter body, the side surface of the blade is abutted to a cutter groove positioning surface, the bottom surface of the blade is abutted to an adjusting inclined surface, and when the driving piece is adjusted, the adjusting portion moves to enable the adjusting inclined surface to drive the blade to move along the positioning surface.
The driving piece is set as a double-head screw, the thread sections at two ends of the driving piece are respectively in threaded connection with the adjusting hole in the adjusting part and the cutter body, and the middle of the driving piece is positioned in the adjusting hole in the positioning part.
Compared with the prior art, the invention has the advantages that:
according to the wedge block with the initial positioning function, when the wedge block is installed in the installation base of the adjusted piece, the positioning protrusion on the end face of the wedge block positioning part is always abutted against the installation base of the adjusted piece, so that the initial position of the wedge block is fixed, the initial position of the adjusted piece is determined, the purpose of the initial positioning function is achieved, meanwhile, the wedge block is simple in structure, and the initial positioning function can be achieved without modifying the adjusted piece and the installation base; during adjustment, the wedge adjusting part is driven by the fastener and moves along the axial direction of the adjusting hole, an adjusted part which is abutted to the wedge adjusting inclined plane is pushed to move, the purpose of adjustment is achieved, meanwhile, the adjusting gap is compressed to generate a reaction force, the axial gap between the thread of the fastener and the thread of the threaded hole in the adjusting hole is eliminated, the axial movement of the wedge is stable during adjustment, and the influence of vibration on screw looseness during cutting is restrained. The adjustable cutter comprises the wedge block with the initial positioning function, has the technical effect which can be achieved by the wedge block, and can realize the initial positioning function on the blade or the cutter holder.
Drawings
FIG. 1 is a schematic view of the wedge of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a side view of fig. 1.
Fig. 4 is a schematic perspective view of the adjustable tool of the present invention.
FIG. 5 is an exploded view of the adjustable tool of the present invention.
Fig. 6 is a sectional view a-a of fig. 4.
The reference numerals in the figures denote:
1. a wedge body; 11. an adjustment part; 111. adjusting the inclined plane; 12. a positioning part; 121. positioning the projection; 13. adjusting the clearance; 14. an adjustment hole; 141. a threaded hole; 142. avoiding holes; 2. a cutter body; 21. A cutter groove; 211. a cutter groove positioning surface; 22. a wedge groove; 221. the bottom surface of the wedge block groove; 3. A blade; 4. a drive member.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
Fig. 1 to 3 show an embodiment of a wedge with an initial positioning function according to the present invention, the wedge includes a wedge body 1, the wedge body 1 includes an adjusting portion 11 and a positioning portion 12 integrated with the adjusting portion 11, an adjusting gap 13 for the adjusting portion 11 to move toward the positioning portion 12 is disposed between the adjusting portion 11 and the positioning portion 12, an adjusting hole 14 for driving the adjusting portion 11 to move in cooperation with a fastener is disposed on the wedge body 1, the adjusting hole 14 penetrates through the adjusting portion 11 and the positioning portion 12, an adjusting inclined surface 111 for abutting against an adjusted member and driving the adjusted member to move is disposed on the adjusting portion 11, a positioning protrusion 121 protruding in an axial direction of the adjusting hole 14 and abutting against an installation base of the adjusted member is disposed on an end surface of the positioning portion 12, and the positioning protrusion 121 and the adjusting inclined surface 111 are located on the same side. When the wedge block body 1 is installed in the installation foundation of the adjusted piece, the positioning bulge 121 on the end face of the wedge block positioning part 12 always abuts against the installation foundation of the adjusted piece, so that the initial position of the wedge block body 1 is fixed, the initial position of the adjusted piece is determined, the purpose of an initial positioning function is achieved, meanwhile, the wedge block is simple in structure, and the initial positioning function can be achieved without modifying the adjusted piece and the installation foundation; in the adjusting process, the positioning bulge 121 always offsets with the installation foundation of the adjusted piece, when the adjusting part 11 of the wedge block body 1 is driven by a fastener and moves along the axial direction of the adjusting hole 14, because the adjusting part 11 and the positioning part 12 are provided with the adjusting gap 13, the positioning part 12 generates elastic deformation to the adjusting gap 13 when the positioning bulge 121 is extruded by the installation foundation of the adjusted piece, the adjusting part 11 of the wedge block body 1 can move along the axial direction of the adjusting hole 14 under the driving of the fastener, the adjusted piece abutting against the adjusting inclined plane 111 of the wedge block body 1 is pushed to move, meanwhile, the adjusting gap 13 is compressed to generate a reaction force, the axial gap between the thread of the fastener and the thread of the threaded hole in the adjusting hole 14 is eliminated, the axial movement stability of the wedge block body 1 during adjusting is ensured, and meanwhile, the influence of vibration on the loosening.
In this embodiment, the positioning protrusion 121 is located on the opposite side of the joint of the adjusting part 11 and the positioning part 12. When the positioning protrusion 121 is located on the opposite side of the joint of the adjusting portion 11 and the positioning portion 12, and when the adjusting portion 11 of the wedge body 1 moves, the deformation of the positioning portion 12 to the adjusting gap 13 may be maximized, so that the adjusting distance of the adjusting portion 11 is maximized.
In this embodiment, the width of the adjusting gap 13 is L1, the thickness of the positioning protrusion 121 is L2, L1 > L2. during adjustment, the adjusting gap 13 is compressed, the adjusting part 11 of the wedge body 1 moves along the axial direction of the adjusting hole 14 until the non-protruding part on the end surface of the positioning part 12 contacts with the mounting base of the adjusted piece and stops, the width L1 of the adjusting gap 13 is larger than the thickness L2 of the positioning protrusion 121, and the adjusting gap 13 can be prevented from being compressed without limit to generate plastic deformation of the wedge body 1.
In this embodiment, the adjustment hole 14 includes a screw hole 141, and the screw hole 141 is located in the adjustment portion 11. The adjusting hole 14 is used for adjusting the position of the wedge body 1 by matching with a fastener, so as to push the adjusted piece against the adjusting inclined surface 111 to adjust, the adjusting hole 14 in the adjusting part 11 is set to be a threaded hole 141, so that the fastener can be adjusted in the threaded hole 141 conveniently, and in the embodiment, the fastener is a stud screw.
The adjustment hole 14 further includes a relief hole 142, and the relief hole 142 is located in the positioning portion 12. The adjusting hole 14 in the positioning portion 12 is provided as an avoiding hole 142, and when the fastener adjusts the wedge block body 1 in the adjusting hole 14, the fastening member has a connection relationship with the threaded hole 141 in the adjusting portion 11, the relief hole 142 in the positioning portion 12, and the installation base of the adjusted member, because the relief hole 142 in the positioning portion 12 only allows the fastening member to pass through the positioning portion 12, therefore, the wedge block can be designed into a through hole, and simultaneously, when the adjusting part 11 of the wedge block body 1 moves along the axial direction of the adjusting hole 14, when the non-protruding portion on the end surface of the positioning portion 12 comes into contact with the mounting base of the adjusted member, the deformation of the positioning portion 12 is the largest, in order to avoid interference of the wedge body 1 with the fastener due to deformation of the relief hole 142 in the positioning portion 12, the relief hole 142 is designed as a through hole, and making the aperture of the avoiding hole 142 larger than that of the threaded hole 141 can avoid the avoiding hole 142 from interfering with the fastener.
Fig. 4 to 6 show an embodiment of the adjustable cutting tool of the present invention, which includes a cutting tool body 2, a cutting blade 3, a driving member 4, and the wedge body 1 with the initial positioning function, wherein the cutting tool body 2 is provided with a cutting groove 21, the cutting tool body 2 is provided with a wedge groove 22 communicated with the cutting groove 21 below the cutting groove 21, a positioning protrusion 121 of the wedge body 1 abuts against a bottom surface 221 of the wedge groove, the driving member 4 is connected with the adjusting hole 14 and the cutting tool body 2, and a bottom surface of the cutting blade 3 abuts against an adjusting inclined surface 111, when the driving member 4 is adjusted, the adjusting portion 11 moves to make the adjusting inclined surface 111 drive the cutting blade 3 to move along the cutting groove positioning surface 211. The wedge block body 1 with the initial positioning function is used for carrying out position adjustment on the blade 3 of an adjusted piece, the side surface of the blade 3 is abutted against the cutter groove positioning surface 211, the bottom surface of the blade 3 is abutted against the adjusting inclined surface 111, and the positioning bulge 121 of the wedge block body 1 is always abutted against the wedge block groove bottom surface 221, so that the initial position of the wedge block body 1 is fixed, the initial position of the blade 3 is determined, and the purpose of the initial positioning function is achieved; in the adjustment process, the positioning protrusion 121 is always abutted against the bottom surface 221 of the wedge block groove, when the adjusting portion 11 of the wedge block body 1 is driven by the driving piece 4 and moves along the axial direction of the adjusting hole 14, the blade 3 abutted against the adjusting inclined surface 111 of the wedge block body 1 is pushed to move along the cutter groove positioning surface 211, meanwhile, the adjusting gap 13 is compressed to generate a reaction force, the axial gap between the thread of the driving piece 4 and the thread of the threaded hole in the adjusting hole 14 is eliminated, the axial movement stability of the wedge block body 1 during adjustment is ensured, and the influence of vibration on screw looseness during cutting of a cutter is inhibited.
In this embodiment, the driving member 4 is a double-head screw, the thread sections at both ends of the driving member are respectively in threaded connection with the adjusting hole 14 in the adjusting portion 11 and the cutter body 2, and the middle of the driving member is located in the adjusting hole 14 in the positioning portion 12. The driving piece 4 is a double-head screw, the double-head screw is connected with the adjusting part 11, the positioning part 12 and the cutter body 2, one end of the double-head screw thread section is in threaded connection with the adjusting hole 14 in the adjusting part 11, the adjusting part 11 of the wedge block body 1 can be driven to move during adjustment, the middle part of the double-head screw is located in the adjusting hole 14 in the positioning part 12, the other end of the double-head screw thread section is in threaded connection with the cutter body 2, and when the blade 3 is adjusted in place, the wedge block body 1 is fixed.
The inclined plane 111 of adjusting with the voussoir body 1 that has the locate function also can be the cutter holder, and the blade 3 dress is in the cutter holder, adjusts the bottom surface of inclined plane 111 and cutter holder and offsets, and when adjusting portion 11 of voussoir body 1 along adjusting hole 14 axial motion, adjustment inclined plane 111 promoted the cutter holder, and then adjusted the cutter holder position.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (6)
1. A wedge with initial positioning function, comprising a wedge body (1), characterized in that: the wedge block body (1) comprises an adjusting portion (11) and a positioning portion (12) integrated with the adjusting portion (11), an adjusting gap (13) used for the adjusting portion (11) to move towards the positioning portion (12) is formed between the adjusting portion (11) and the positioning portion (12), an adjusting hole (14) used for being matched with a fastener to drive the adjusting portion (11) to move is formed in the wedge block body (1), the adjusting hole (14) penetrates through the adjusting portion (11) and the positioning portion (12), an adjusting inclined surface (111) used for being abutted against an adjusted piece and driving the adjusted piece to move is formed in the adjusting portion (11), a positioning protrusion (121) protruding in the axial direction of the adjusting hole (14) and abutted against an installation base of the adjusted piece is arranged on the end face of the positioning portion (12), and the positioning protrusion (121) is located on the opposite side of the joint of the adjusting portion (11) and the positioning portion (, the positioning protrusion (121) and the adjusting inclined surface (111) are located on the same side, the positioning protrusion (121) is arranged between the adjusting inclined surface (111) and the adjusting hole (14), and the top surface of the positioning portion (12) is an inclined surface corresponding to the adjusting inclined surface (111).
2. A wedge with initial positioning function according to claim 1, wherein the width of the adjustment gap (13) is L1, and the thickness of the positioning protrusion (121) is L2, L1 > L2.
3. A wedge with initial positioning function according to claim 2, wherein: the adjusting hole (14) comprises a threaded hole (141), and the threaded hole (141) is located in the adjusting part (11).
4. A wedge with initial positioning function according to claim 3, wherein: the adjusting hole (14) further comprises an avoiding hole (142), and the avoiding hole (142) is located in the positioning portion (12).
5. An adjustable cutting tool, characterized in that: the wedge block with the initial positioning function comprises a cutter body (2), a blade (3), a driving part (4) and the wedge block with the initial positioning function as claimed in any one of claims 1 to 4, wherein a cutter groove (21) is formed in the cutter body (2), a wedge block groove (22) communicated with the cutter groove (21) is formed below the cutter body (2), a positioning protrusion (121) of the wedge block body (1) abuts against the bottom surface (221) of the wedge block groove, the driving part (4) is connected with an adjusting hole (14) and the cutter body (2), the side surface of the blade (3) abuts against a cutter groove positioning surface (211), the bottom surface of the blade (3) abuts against an adjusting inclined surface (111), and when the driving part (4) is adjusted, the adjusting part (11) moves to enable the adjusting inclined surface (111) to drive the blade (3) to move along the cutter groove positioning surface (211).
6. An adjustable tool according to claim 5, wherein: the driving piece (4) is set to be a double-head screw, the thread sections at two ends of the driving piece are respectively in threaded connection with the adjusting hole (14) in the adjusting part (11) and the cutter body (2), and the middle of the driving piece is positioned in the adjusting hole (14) in the positioning part (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081902.8A CN106624101B (en) | 2016-11-30 | 2016-11-30 | Wedge block with initial positioning function and adjustable cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081902.8A CN106624101B (en) | 2016-11-30 | 2016-11-30 | Wedge block with initial positioning function and adjustable cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106624101A CN106624101A (en) | 2017-05-10 |
| CN106624101B true CN106624101B (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611081902.8A Active CN106624101B (en) | 2016-11-30 | 2016-11-30 | Wedge block with initial positioning function and adjustable cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106624101B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1836737A (en) * | 1929-02-01 | 1931-12-15 | Walker Herbert Stuart | Rotary milling cutter and like tool |
| US5975811A (en) * | 1997-07-31 | 1999-11-02 | Briese Industrial Technologies, Inc. | Cutting insert cartridge arrangement |
| CN101992305A (en) * | 2010-11-05 | 2011-03-30 | 株洲钻石切削刀具股份有限公司 | Balance adjustable cutting tool |
| CN103624309A (en) * | 2012-08-28 | 2014-03-12 | 株洲钻石切削刀具股份有限公司 | Milling cutter having fly-off prevention structure |
| CN103658701A (en) * | 2013-12-03 | 2014-03-26 | 株洲钻石切削刀具股份有限公司 | Adjustable boring tool for finishing work |
| CN204248059U (en) * | 2014-11-25 | 2015-04-08 | 株洲钻石切削刀具股份有限公司 | A kind of rotary cutter |
| CN104646744A (en) * | 2015-02-03 | 2015-05-27 | 株洲钻石切削刀具股份有限公司 | Cutting tool |
-
2016
- 2016-11-30 CN CN201611081902.8A patent/CN106624101B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1836737A (en) * | 1929-02-01 | 1931-12-15 | Walker Herbert Stuart | Rotary milling cutter and like tool |
| US5975811A (en) * | 1997-07-31 | 1999-11-02 | Briese Industrial Technologies, Inc. | Cutting insert cartridge arrangement |
| CN101992305A (en) * | 2010-11-05 | 2011-03-30 | 株洲钻石切削刀具股份有限公司 | Balance adjustable cutting tool |
| CN103624309A (en) * | 2012-08-28 | 2014-03-12 | 株洲钻石切削刀具股份有限公司 | Milling cutter having fly-off prevention structure |
| CN103658701A (en) * | 2013-12-03 | 2014-03-26 | 株洲钻石切削刀具股份有限公司 | Adjustable boring tool for finishing work |
| CN204248059U (en) * | 2014-11-25 | 2015-04-08 | 株洲钻石切削刀具股份有限公司 | A kind of rotary cutter |
| CN104646744A (en) * | 2015-02-03 | 2015-05-27 | 株洲钻石切削刀具股份有限公司 | Cutting tool |
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| Publication number | Publication date |
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| CN106624101A (en) | 2017-05-10 |
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