CN112536622B - Universal clamping mechanism of automatic locking of milling cutter material stick - Google Patents
Universal clamping mechanism of automatic locking of milling cutter material stick Download PDFInfo
- Publication number
- CN112536622B CN112536622B CN202011376918.8A CN202011376918A CN112536622B CN 112536622 B CN112536622 B CN 112536622B CN 202011376918 A CN202011376918 A CN 202011376918A CN 112536622 B CN112536622 B CN 112536622B
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- China
- Prior art keywords
- milling cutter
- piece
- collet chuck
- moving part
- mounting hole
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- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Abstract
The invention relates to the technical field of cutter processing equipment, in particular to an automatic locking universal material clamping mechanism for a milling cutter material rod, which comprises a central fixed block, a first movable piece and a second movable piece, wherein the first movable piece and the second movable piece are respectively rotatably arranged at two ends of the central fixed block, the first movable piece and the second movable piece are all of hollow structures, an accommodating space is formed by the first movable piece and the second movable piece in an enclosing manner, the central fixed block is limited in the accommodating space, a collet chuck sleeve piece is arranged on the first movable piece, the collet chuck sleeve piece is of a hollow structure, a collet chuck is movably arranged in the collet chuck sleeve piece, an elastic pull rod piece is arranged in the first movable piece, one end of the elastic pull rod piece is elastically abutted against the first movable piece, the other end of the elastic pull rod piece is connected with the collet chuck, and the collet chuck is used for clamping the milling cutter material rod. The milling cutter material bar clamped and installed in the invention can swing, the precision requirement on machine debugging is lower, the milling cutter material bar is effectively prevented from being scratched when the milling cutter material bar is pressed, and the precision and the yield of the finished milling cutter are high.
Description
Technical Field
The invention relates to the technical field of cutter processing equipment, in particular to an automatic locking universal material clamping mechanism for a milling cutter material rod.
Background
The milling cutter is a rotary cutter which is used for milling and has one or more cutter teeth, the cutter teeth cut off the allowance of a workpiece intermittently in sequence during working, the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine, and the milling cutter is widely applied to modern processing production.
The milling cutter material rod is fixedly inserted into the material clamping mechanism in the milling process, the material clamping mechanism is provided with a collet chuck for clamping the milling cutter material rod, the traditional material clamping mechanism adopts a rigid clamping mode as a milling cutter material rod clamping mode, namely the clamped milling cutter material rod is not allowed to swing, the milling cutter material rod is installed and then is pressed by the pressing mechanism, the rigid clamping mode has high precision requirement on machine debugging, the position error between the allowed milling cutter material rod and the pressing mechanism is very small, otherwise, the milling cutter material rod is easy to scratch when the milling cutter material rod is pressed, the abrasion of the collet chuck is serious, or the machining precision does not reach the standard due to the large position error, the precision of the finished milling cutter is further low, the yield is low, and the modern production requirement cannot be met.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an automatic locking universal material clamping mechanism for a milling cutter material rod, the milling cutter material rod clamped and installed can swing, the precision requirement on machine debugging is low, the milling cutter material rod is effectively prevented from being scratched when being pressed tightly, the abrasion of a collet chuck is reduced, and the precision and the yield of a finished milling cutter are high.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an automatic universal clamping mechanism of locking of milling cutter stub bar, it includes central fixed block, rotate first moving part and the second moving part of installing in central fixed block both ends respectively, central fixed block, first moving part and second moving part are hollow structure, first moving part and second moving part enclose to establish and form the accommodation space, the central fixed block is spacing in the accommodation space, the collet chuck external member is installed to first moving part, the collet chuck external member is hollow structure, movable mounting has the collet chuck in the collet chuck external member, install the elastic pull rod spare in the first moving part, the one end and the first moving part elasticity of elastic pull rod spare are contradicted, the other end and the collet chuck of elastic pull rod spare are connected, the collet chuck is used for pressing from both sides tight milling cutter stub bar.
Furthermore, the elastic pull rod piece comprises a pull rod body movably mounted on the first movable piece and a flexible corrugated part fixedly mounted at one end of the pull rod body, the flexible corrugated part is abutted against the first movable piece, and one end, far away from the flexible corrugated part, of the pull rod body is connected with the collet.
Further, the flexible corrugated part comprises a flexible corrugated pipe and a locking ring connected to the flexible corrugated pipe, the locking ring is fixedly connected with the pull rod body, and one end of the flexible corrugated pipe, which is far away from the locking ring, is abutted against the first movable part.
Furthermore, the pull rod body is provided with a positioning rod mounting hole and a locking hole, the positioning rod mounting hole is provided with a rear positioning rod, the locking hole is movably provided with a locking piece, the locking piece is used for locking the rear positioning rod in the positioning rod mounting hole, the collet chuck is provided with a mounting hole, and one end, away from the locking piece, of the rear positioning rod extends into the mounting hole in a protruding manner; when the milling cutter charge bar and the collet chuck are clamped and mounted, one end of the milling cutter charge bar is inserted into the mounting hole and abutted against the rear positioning rod, and the radial length of the milling cutter charge bar in the mounting hole is adjusted by adjusting the radial length of the rear positioning rod in the mounting hole.
Furthermore, the second moving part is movably provided with a push rod piece, and the push rod piece and the elastic pull rod piece are arranged correspondingly.
Furthermore, the first moving part is connected with the central fixed block through a first connecting bolt, a first bearing is arranged between the first connecting bolt and the first moving part, the second moving part is connected with the central fixed block through a second connecting bolt, and a second bearing is arranged between the second connecting bolt and the second moving part.
Further, the collet chuck is provided with a mounting hole and a plurality of grooves, the grooves are communicated with the mounting hole, and the grooves are in an annular array along the axial center line of the mounting hole.
The invention has the beneficial effects that:
1. according to the invention, the first movable member and the second movable member are respectively rotatably arranged at two ends of the central fixed block, so that the collet chuck can slightly swing in multiple directions to press the milling cutter material rod to the C point at the specified position of the pressing and holding mechanism, even if the position error between the position of the collet chuck and the C point is large, the milling cutter material rod can be directly pressed to the C point at the specified position of the pressing and holding mechanism, and the clamped and installed milling cutter material rod can swing properly, so that the milling cutter material rod cannot be damaged during pressing, the milling cutter material rod is effectively protected, and the precision and the yield of a finished milling cutter are high;
2. the error between the position of the collet chuck and the position of the C point at the designated position of the pressing mechanism is allowed to be larger, so that the precision requirement on machine debugging is lower, the debugging operation is simple, the efficiency is high, the abrasion of the collet chuck can be reduced, and the service life of the collet chuck is prolonged.
Drawings
Fig. 1 is a schematic overall perspective structure of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic cross-sectional view taken along the direction B-B in fig. 2.
Fig. 4 is a schematic structural diagram of the milling cutter charge bar, the pressing mechanism and the collet chuck of the invention.
Fig. 5 is a partial perspective view of the present invention.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1 to 5, the automatic locking universal material clamping mechanism for milling cutter material rods provided by the present invention includes a central fixing block 58, a first movable member 59 and a second movable member 60 respectively rotatably mounted at two ends of the central fixing block 58, the first movable member 59 and the second movable member 60 are all hollow structures, the first movable member 59 and the second movable member 60 enclose to form an accommodating space 61, the central fixing block 58 is limited in the accommodating space 61, the first movable member 59 is mounted with a collet sleeve 62, the collet sleeve 62 is a hollow structure, the movable member 62 is movably mounted with a collet 56 therein, the first movable member 59 is mounted with an elastic pull rod 64 therein, one end of the elastic pull rod 64 elastically abuts against the first movable member 59, the other end of the elastic pull rod 64 is connected with the collet 56, and the collet 56 is used for clamping the milling cutter material rod 1.
In practical application, when the milling cutter material rod 1 is replaced, the elastic pull member 64 is pressed to drive the mounting end of the collet 56 to be exposed out of the collet sleeve 62, so that the mounting hole 57 of the collet 56 is expanded, the milling cutter material rod 1 is inserted into the mounting hole 57 of the collet 56, and the collet 56 is pulled back into the collet sleeve 62 under the elastic pull force of the elastic pull member 64, thereby realizing the fixed mounting of the milling cutter material rod 1.
The first movable piece 59 and the second movable piece 60 are respectively rotatably mounted at two ends of the central fixed block 58, so that the collet 56 can slightly swing in multiple directions, as shown in fig. 4, the milling cutter material rod can be pressed on a designated position C point of the pressing and holding mechanism 03, even if the position error between the position of the collet 56 and the position C point is large, the milling cutter material rod can be directly pressed on the designated position C point of the pressing and holding mechanism 03, and the milling cutter material rod 1 after clamping and mounting can swing properly, so that the milling cutter material rod 1 cannot be damaged during pressing, the requirement on the precision of machine debugging is low due to the fact that the position error between the position of the collet 56 and the position C point is allowed to be large, and the abrasion of the collet 56 can be reduced; the mechanism effectively prevents the milling cutter material rod from being scratched when being compressed, reduces the abrasion of the collet 56, and ensures high precision and yield of finished milling cutters.
In this embodiment, the resilient pull rod 64 includes a pull rod body 65 movably mounted on the first movable member 59, and a flexible corrugated member 66 fixedly mounted on an end of the pull rod body 65, wherein the flexible corrugated member 66 abuts against the first movable member 59, and an end of the pull rod body 65 away from the flexible corrugated member 66 is connected to the collet 56. Specifically, the drawbar body 65 and the collet 56 are coaxially arranged, and the drawbar body 65 and the collet 56 are engaged.
In this embodiment, the flexible corrugated member 66 includes a flexible corrugated tube 67 and a locking ring 68 connected to the flexible corrugated tube 67, the locking ring 68 is fixedly connected to the pull rod body 65, and an end of the flexible corrugated tube 67 away from the locking ring 68 abuts against the first movable member 59. Specifically, due to the fact that the elastic force of the common spring is insufficient, the elastic tensile force of the flexible corrugated pipe 67 is extremely strong, and the collet chuck 56 can be tightly pulled by the flexible corrugated pipe 67, the milling cutter charge bar 1 is firmly installed, and the stability and the reliability of installation of the milling cutter charge bar 1 are improved.
In this embodiment, the drawbar rod body 65 is provided with a positioning rod mounting hole 69 and a locking hole 70, the rear positioning rod 71 is mounted in the positioning rod mounting hole 69, a locking member 72 is movably mounted in the locking hole 70, the locking member 72 is used for locking the rear positioning rod 71 in the positioning rod mounting hole 69, the collet 56 is provided with a mounting hole 57, and one end of the rear positioning rod 71, which is far away from the locking member 72, protrudes into the mounting hole 57; when the milling cutter material rod 1 is clamped and mounted with the collet 56, one end of the milling cutter material rod 1 is inserted into the mounting hole 57 and is abutted against the rear positioning rod 71, and the radial length of the milling cutter material rod 1 in the mounting hole 57 is adjusted by adjusting the radial length of the rear positioning rod 71 in the mounting hole 57. Specifically, the positioning and mounting modes of the milling cutter material bar 1 and the collet 56 can adopt a front positioning mode and a rear positioning mode, the rear positioning rod 71 is used for realizing the rear positioning mode, the radial length of the milling cutter material bar 1 in the mounting hole 57 is further adjusted by adjusting the radial length of the rear positioning rod 71 in the mounting hole 57, so that the radial length of the milling cutter material bar 1 exposed outside the mounting hole 57 is kept consistent, when the lengths of the milling cutter material bars 1 in different batches are different, the radial length of the milling cutter material bar 1 exposed outside the mounting hole 57 is kept consistent by adjusting the rear positioning rod 71, and the precision and the yield of the finished milling cutter are high.
In this embodiment, the second movable member 60 is movably provided with a push rod member 73, and the push rod member 73 and the elastic pull rod member 64 are disposed correspondingly. Specifically, the ejector rod 73 is arranged corresponding to the locking ring 68, the ejector rod 73 is used for pressing the flexible corrugated tube 67, so that the collet 56 is exposed out of the collet sleeve 62, the mounting hole 57 of the collet 56 is expanded, the milling cutter material rod 1 is inserted into the mounting hole 57 of the collet 56, and the collet 56 is pulled back to the collet sleeve 62 under the elastic tension of the flexible corrugated tube 67, so that the fixed mounting of the milling cutter material rod 1 is realized.
In this embodiment, the first movable member 59 is connected to the central fixed block 58 by a first connecting bolt 74, a first bearing 75 is disposed between the first connecting bolt 74 and the first movable member 59, the second movable member 60 is connected to the central fixed block 58 by a second connecting bolt 76, and a second bearing 77 is disposed between the second connecting bolt 76 and the second movable member 60. Specifically, the first bearing 75 and the second bearing 77 are provided for realizing the universal swing of the first movable member 59, the second movable member 60, and the center fixed block 58.
In this embodiment, the collet 56 is provided with a mounting hole 57 and a plurality of grooves 79, the plurality of grooves 79 each communicating with the mounting hole 57, the plurality of grooves 79 being in an annular array along an axial centerline of the mounting hole 57. The groove 79 is designed to allow expansion and contraction of the mounting hole 57.
All technical features in the embodiment can be freely combined according to actual needs.
The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.
Claims (5)
1. The utility model provides an automatic universal clamping mechanism of locking of milling cutter charge bar, includes central fixed block, its characterized in that: the milling cutter comprises a central fixing block, a first moving part, a second moving part, a collet chuck external member, a collet chuck, an elastic pull rod piece, a first moving part, a second moving part, a first moving part and a second moving part, wherein the first moving part and the second moving part are respectively rotatably arranged at two ends of the central fixing block, the first moving part and the second moving part are all hollow structures, the first moving part and the second moving part are surrounded to form an accommodating space, the central fixing block is limited in the accommodating space, the first moving part is provided with the collet chuck external member, the collet chuck external member is a hollow structure, the collet chuck external member is movably arranged in the collet chuck external member, the elastic pull rod piece is arranged in the first moving part, one end of the elastic pull rod piece is elastically butted with the first moving part, the other end of the elastic pull rod piece is connected with the collet chuck, the collet chuck is used for clamping a milling cutter material rod, the first movable piece is connected with the central fixed block through a first connecting bolt, a first bearing is arranged between the first connecting bolt and the first movable piece, the second movable piece is connected with the central fixed block through a second connecting bolt, and a second bearing is arranged between the second connecting bolt and the second movable piece; the elastic pull rod piece comprises a pull rod body movably arranged on the first movable piece; the pull rod body is provided with a positioning rod mounting hole and a locking hole, the positioning rod mounting hole is provided with a rear positioning rod, the locking hole is movably provided with a locking piece, the locking piece is used for locking the rear positioning rod in the positioning rod mounting hole, the collet chuck is provided with a mounting hole, and one end of the rear positioning rod, far away from the locking piece, extends into the mounting hole; when the milling cutter charge bar and the collet chuck are clamped and mounted, one end of the milling cutter charge bar is inserted into the mounting hole and abutted against the rear positioning rod, and the radial length of the milling cutter charge bar in the mounting hole is adjusted by adjusting the radial length of the rear positioning rod in the mounting hole.
2. The automatic locking universal clamping mechanism for the milling cutter material rod as claimed in claim 1, wherein: the elastic pull rod piece comprises a flexible corrugated part fixedly arranged at one end of the pull rod body, the flexible corrugated part is abutted against the first movable part, and one end, far away from the flexible corrugated part, of the pull rod body is connected with the collet chuck.
3. The automatic locking universal clamping mechanism for the milling cutter material rod as claimed in claim 2, wherein: the flexible corrugated part comprises a flexible corrugated pipe and a locking ring connected with the flexible corrugated pipe, the locking ring is fixedly connected with the pull rod body, and one end, far away from the locking ring, of the flexible corrugated pipe is abutted against the first movable part.
4. The automatic locking universal clamping mechanism for the milling cutter material rod as claimed in claim 1, wherein: the second moving part is movably provided with a push rod piece, and the push rod piece and the elastic pull rod piece are arranged correspondingly.
5. The automatic locking universal clamping mechanism for the milling cutter material rod as claimed in claim 1, wherein: the collet chuck is provided with a mounting hole and a plurality of grooves, the grooves are communicated with the mounting hole, and the grooves are in an annular array along the axial center line of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011376918.8A CN112536622B (en) | 2020-11-30 | 2020-11-30 | Universal clamping mechanism of automatic locking of milling cutter material stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011376918.8A CN112536622B (en) | 2020-11-30 | 2020-11-30 | Universal clamping mechanism of automatic locking of milling cutter material stick |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112536622A CN112536622A (en) | 2021-03-23 |
| CN112536622B true CN112536622B (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011376918.8A Active CN112536622B (en) | 2020-11-30 | 2020-11-30 | Universal clamping mechanism of automatic locking of milling cutter material stick |
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| Country | Link |
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| CN (1) | CN112536622B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207414862U (en) * | 2017-10-24 | 2018-05-29 | 浙江震环数控机床有限公司 | A kind of location structure |
| CN110539216A (en) * | 2019-09-17 | 2019-12-06 | 深圳市友创智能设备有限公司 | Bar grinds cutting and uses tool head |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2116714A5 (en) * | 1970-12-04 | 1972-07-21 | Peugeot & Renault | |
| TW201103689A (en) * | 2009-07-24 | 2011-02-01 | Dar Harnq Industry Co Ltd | Miniaturized spindle unit capable of changing tools and main axle device |
| CN204123173U (en) * | 2014-09-15 | 2015-01-28 | 北京海普瑞森科技发展有限公司 | A kind of lathe automatic clamping device |
| CN105583643A (en) * | 2014-10-23 | 2016-05-18 | 富鼎电子科技(嘉善)有限公司 | Tool clamping device and elastic collet chuck adopted by tool clamping device |
| CN108161084A (en) * | 2017-12-24 | 2018-06-15 | 芜湖洪金机床有限公司 | The guide frame of high-precision adjustable eccentric blade clamping apparatus |
| CN109773219A (en) * | 2018-12-25 | 2019-05-21 | 陕西科技大学 | Cutter single shaft driving mechanism |
-
2020
- 2020-11-30 CN CN202011376918.8A patent/CN112536622B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207414862U (en) * | 2017-10-24 | 2018-05-29 | 浙江震环数控机床有限公司 | A kind of location structure |
| CN110539216A (en) * | 2019-09-17 | 2019-12-06 | 深圳市友创智能设备有限公司 | Bar grinds cutting and uses tool head |
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| Publication number | Publication date |
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| CN112536622A (en) | 2021-03-23 |
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