CN110919435B - Cutter clamping structure of cutter changing mechanism - Google Patents
Cutter clamping structure of cutter changing mechanism Download PDFInfo
- Publication number
- CN110919435B CN110919435B CN201811100835.9A CN201811100835A CN110919435B CN 110919435 B CN110919435 B CN 110919435B CN 201811100835 A CN201811100835 A CN 201811100835A CN 110919435 B CN110919435 B CN 110919435B
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- China
- Prior art keywords
- clamping
- tool
- section
- arms
- cutter
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Classifications
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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
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
A tool clamping structure of a tool changing mechanism comprises a base, a driving mechanism and two clamping arms. The driving mechanism is composed of a driving unit and a telescopic rod and is arranged on the seat body, and can drive the clamping arms arranged on the telescopic rod to move through the driving unit, the two clamping arms are provided with a first clamping part and a second clamping part, the second clamping part is respectively composed of a clamping block and an elastic piece, and the clamping block can move towards the direction far away from the first clamping part through the elastic piece, so that the two clamping arms can clamp the tool on the clamping arms more stably through the first clamping part and the clamping block, and the elastic piece can be propped towards the clamping block.
Description
Technical Field
The present invention relates to a tool clamping device of a tool changing mechanism, and more particularly, to an improved tool clamping structure.
Background
The conventional tool clamping device of the tool changing mechanism mainly clamps and fixes the tool through a clamping arm composed of two clamping arms, and swings the clamping arm to an appointed position through a driving device to exchange the tool. However, the above-mentioned tool clamping device mainly clamps and fixes the tool by the two clamping arms having a tool clamping section corresponding to the tool shape, but the tool shape is all in the shape of the oblique cone, so the tool clamping device clamps and fixes the tool by the tool clamping section in the shape of the oblique cone, when the tool clamping device swings in the pivot, the tool is easy to separate from the clamping arms along the tool clamping section due to centrifugal force generated by swinging of the pivot, and the tool exchange work cannot be performed smoothly.
Therefore, how to solve the above problems is the primary subject to be solved by the present invention.
Disclosure of Invention
The invention aims to provide a cutter clamping structure of a cutter changing mechanism, which has the effect of stably clamping a cutter on a clamping arm.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a cutter clamping structure of a cutter changing mechanism, which comprises:
a base body;
the driving mechanism is arranged on the seat body and consists of a driving unit and at least one telescopic rod;
and the two clamping arms are combined on the telescopic rod and respectively provided with a first clamping part and a second clamping part, the two first clamping parts are respectively provided with a clamping edge section, the two second clamping parts are respectively composed of a clamping block and an elastic piece, the two clamping blocks can be respectively propped by the two elastic pieces and move along the clamping arms towards the direction far away from the two first clamping parts, and the two clamping arms can drive the telescopic rods to move towards each other through the driving unit and clamp a cutter through the two clamping blocks and the two clamping edge sections.
Preferably, the two clamping arms are respectively provided with a mounting groove in a lateral direction, the two clamping blocks are respectively arranged in the two mounting grooves, and the inner diameters of the two mounting grooves are slightly larger than the outer diameters of the two clamping blocks to form a margin space for the two clamping blocks to move slightly; the two mounting grooves are respectively provided with a notch, and the two notches are respectively provided with the elastic piece, so that two ends of the two elastic pieces can respectively prop against the notches and the clamping blocks.
Preferably, the cutter comprises a tapered cutter bar, a neck and a slider, and the slider has a tapered diameter section opposite to the tapered direction of the cutter bar; the cross sections of the two clamping edge sections are respectively gradually enlarged towards one end far away from the two second clamping parts to form an inclined cone shape, and when the two clamping arms clamp the cutter, the two clamping edge sections are tightly matched with the outer edge of the cutter bar.
Preferably, the two clamping blocks have a guiding section and a clamping section respectively, and the cross sections of the two guiding sections are tapered toward one end far away from the first clamping portion, when the two clamping arms clamp the tool, the two clamping blocks can be clamped by the clamping sections corresponding to the neck of the tool, and the two guiding sections are clamped by the radial sections corresponding to the puller, and the clamping blocks are pushed by the two elastic members toward the direction far away from the two first clamping portions.
The invention has the beneficial effects that: the cutter clamping structure of the cutter changing mechanism has the effect of stably clamping the cutter on the clamping arm.
The above objects and advantages of the present invention will be readily understood by the following detailed description of the selected embodiments and the accompanying drawings.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is a schematic view of the present invention showing the state of the elastic member when it is pressed against the clamping block.
FIG. 3 is a schematic view of the present invention showing the state of the clamping block when the tool is to be clamped.
FIG. 4 is a schematic view of the present invention showing the clamping of the tool by the clamping block through the clamping section and the guiding section.
Fig. 5 is a schematic view of a use state of the present invention, showing a state of the clamping block pushed by the elastic member in a direction away from the first clamping portion.
Fig. 6 is a schematic view of the present invention showing the state of the clamping arm clamping the tool.
Reference numerals: 11: a base body; 21: a drive mechanism; 22: a drive unit; 23: a telescopic rod; 31: clamping arms; 33: a first clamping part; 331: a flange section; 34: a second clamping part; 341: a clamping block; 342: an elastic member; 343: mounting grooves; 344: notching; 345: a guide section; 346: a clamping section; 40: a cutter; 41: a cutter bar; 42: a slider; 43: a diameter section; 44: a neck portion; a: a clamping position.
Detailed Description
Referring to fig. 1-6, preferred embodiments of the present invention are shown for illustrative purposes only and are not limited thereto.
As shown in fig. 1 to 3, the present invention provides a tool clamping structure, which is mainly composed of a set of seat 11 disposed on a tool changing mechanism, a driving mechanism 21 and two clamping arms 31, wherein:
the driving mechanism 21 is disposed on the base 11, and the driving mechanism 21 is composed of a driving unit 22 and at least one telescopic rod 23.
Two clamping arms 31, which are combined on the telescopic rod 23, and can drive the telescopic rod 23 to drive the clamping arms 31 thereof through the driving unit 22, so that the two clamping arms 31 can move towards each other to be at a clamping position a; the two clamping arms 31 respectively have a first clamping portion 33 and a second clamping portion 34, and the two first clamping portions 33 are located outside the two second clamping portions 34, the two first clamping portions 33 respectively form a clamping edge section 331, the two second clamping portions 33 respectively comprise a clamping block 341 and an elastic member 342 formed by a compression spring, the two clamping blocks 341 can be respectively abutted by the two elastic members 342 and move along the clamping arms 31 in a direction away from the two first clamping portions 33, and when the two clamping arms 31 are located at the clamping position a, the two clamping arms 31 can clamp a tool 40 through the clamping blocks 341 and the two clamping edge sections 331.
In this embodiment, the two clamping arms 31 are respectively laterally provided with a mounting groove 343 disposed opposite to each other, and the two mounting grooves 343 are respectively provided with the clamping blocks 341 therein, and the inner diameters of the two mounting grooves 343 are slightly larger than the outer diameters of the two clamping blocks 341 to form a margin space for the two clamping blocks 341 to move slightly; the two mounting grooves 343 have a slot 344 for the elastic member 342 to be received therein, so that two ends of the elastic member 342 can be respectively abutted against the slot 344 and the clamping block 341.
The tool 40 of the present embodiment is a tool of a known specification, which has a tapered shank 41, a neck 44 and a slider 42, the slider 42 has a tapered radial section 43 opposite to the tapered direction of the shank 41, the cross sections of the two clamping edge sections 331 are tapered toward one end away from the two second clamping portions 34 and correspond to the outer edge of the shank 41, the two clamping blocks 341 have a guiding section 345 and a clamping section 346, respectively, the cross sections of the two guiding sections 345 are tapered toward one end away from the first clamping portion 33 and correspond to the radial section 43 of the slider 42, and when the two clamping arms 31 clamp the tool 40 at the clamping position a, the two clamping blocks 341 can be clamped by the clamping section 346 corresponding to the neck 44 of the tool 40, and the two guiding sections 345 correspond to the radial section 43 of the slider 42 and move the clamping blocks 341 away from the first clamping portion 33, the cutter 40 is more firmly fixed on the two clamping arms 31.
In practical use of the present invention composed of the above-mentioned structure, as shown in fig. 4 to 6, the tool 40 to be installed is moved between the two clamping arms 31, and the driving unit 22 drives the telescopic rod 23, so that when the telescopic rod 23 drives the clamping arms 31 to move toward the tool 40, the clamping edge sections 331 of the two first clamping portions 33 will be clamped by the tool bar 41 of the tool 40, and the clamping sections 346 and the guiding sections 345 of the two clamping blocks 341 will be clamped by the neck 44 of the tool 40 and the radial section 43 of the slider 42, respectively, and at the same time of clamping, the guiding sections 345 of the two clamping blocks 341 will further contact the radial section 43 of the slider 42, and force the two clamping blocks 341 to move toward the first clamping portion 33 along the radial section 43 of the slider 42 by the guiding sections 345 thereof, so as to compress the elastic members 342 thereof, when the two clamping arms 31 move to the clamping position a, the two clamping blocks 342 will receive the restoring elastic force of the elastic members 341, and is pushed along the mounting groove 343 in a direction away from the first clamping portion 33 through the margin space, so that the tool 40 can be further secured to the two clamping arms 31.
As can be seen from the foregoing description, the present invention has the advantages that the two clamping arms 31 can clamp the tool 40 through the clamping edge sections 331 of the first clamping portions 33 and the clamping sections 346 of the clamping blocks 341, and when the two clamping arms 31 clamp the tool 40 at the clamping position a, the slider 42 of the tool 40 is further pushed by the elastic member 342 in a direction away from the first clamping portions 33, so that the tool 40 can be clamped more stably, thereby greatly increasing the stability of the tool 40 clamped in the two clamping arms 31.
It should be noted that the above-mentioned embodiments are only for illustrating the present invention, and are not to be construed as limiting the present invention, so that the replacement of equivalent elements is within the scope of the present invention.
In view of the above, it will be apparent to those skilled in the art that the foregoing objects can be achieved and that the invention complies with the requirements of the patent statutes and is accordingly applied by law.
Claims (4)
1. A cutter clamping structure of a cutter changing mechanism is characterized by comprising:
a base body;
the driving mechanism is arranged on the seat body and consists of a driving unit and at least one telescopic rod;
and the two clamping arms are combined on the telescopic rod and respectively provided with a first clamping part and a second clamping part, the first clamping parts are respectively provided with a clamping edge section, the second clamping parts are respectively composed of a clamping block and an elastic piece, the clamping blocks can be respectively propped by the elastic piece and move along the clamping arms towards the direction far away from the first clamping parts, and the two clamping arms can drive the telescopic rods thereof to move towards each other through the driving unit and clamp a cutter with the clamping edge sections through the clamping blocks.
2. The tool holding structure of claim 1, wherein the two arms are respectively laterally provided with a mounting groove disposed oppositely, and the clamping blocks are respectively disposed in the mounting grooves, and the inner diameter of the mounting groove is larger than the outer diameter of the clamping block to form a margin space for the clamping block to move slightly; the mounting grooves are respectively provided with a notch, and the elastic pieces are respectively arranged in the notches, so that two ends of each elastic piece can respectively abut against the notch and the clamping block.
3. The tool holding structure according to claim 1, wherein said tool is composed of a tapered and tapered shank, a neck portion and a slider having a tapered diameter section in a direction opposite to the direction of the tapered shank; the cross section of the clamping edge section is gradually enlarged towards one end far away from the second clamping part and is in an oblique cone shape, and when the two clamping arms clamp the cutter, the clamping edge section is tightly matched with the outer edge of the cutter bar.
4. The tool holding structure of claim 3, wherein the clamping blocks have a guiding section and a clamping section, respectively, and the cross section of the guiding section is tapered toward an end away from the first clamping portion, when the two clamping arms clamp the tool, the clamping blocks can be clamped by the clamping section corresponding to the neck of the tool, and the guiding section clamps the tool corresponding to the radial section of the slider, and the elastic member pushes the clamping blocks away from the first clamping portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100835.9A CN110919435B (en) | 2018-09-20 | 2018-09-20 | Cutter clamping structure of cutter changing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100835.9A CN110919435B (en) | 2018-09-20 | 2018-09-20 | Cutter clamping structure of cutter changing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110919435A CN110919435A (en) | 2020-03-27 |
| CN110919435B true CN110919435B (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811100835.9A Expired - Fee Related CN110919435B (en) | 2018-09-20 | 2018-09-20 | Cutter clamping structure of cutter changing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110919435B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1085751A1 (en) * | 1982-10-20 | 1984-04-15 | Ульяновское Головное Специальное Конструкторское Бюро Тяжелых И Фрезерных Станков | Arrangement for securing mandrel in tool carrier |
| CN101327566A (en) * | 2007-06-21 | 2008-12-24 | 费希尔股份公司 | Centrifugal force assisted tool clamping system |
| CN104816169A (en) * | 2015-05-12 | 2015-08-05 | 浙江海洋学院 | Manipulator arm |
| CN107000146A (en) * | 2014-09-19 | 2017-08-01 | 豪迈股份公司 | Chucking device, stocking system and method for process tool |
| CN207522160U (en) * | 2017-11-10 | 2018-06-22 | 惠州市速锋科技有限公司 | A kind of tool-broaching mechanism applied to high-speed electric main shaft |
| CN209062645U (en) * | 2018-09-20 | 2019-07-05 | 吉辅企业有限公司 | The tool holding structure of cutter-exchange mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10058927B2 (en) * | 2016-02-04 | 2018-08-28 | Mince Master Inc. | Spindle clamp for tool holder |
-
2018
- 2018-09-20 CN CN201811100835.9A patent/CN110919435B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1085751A1 (en) * | 1982-10-20 | 1984-04-15 | Ульяновское Головное Специальное Конструкторское Бюро Тяжелых И Фрезерных Станков | Arrangement for securing mandrel in tool carrier |
| CN101327566A (en) * | 2007-06-21 | 2008-12-24 | 费希尔股份公司 | Centrifugal force assisted tool clamping system |
| CN107000146A (en) * | 2014-09-19 | 2017-08-01 | 豪迈股份公司 | Chucking device, stocking system and method for process tool |
| CN104816169A (en) * | 2015-05-12 | 2015-08-05 | 浙江海洋学院 | Manipulator arm |
| CN207522160U (en) * | 2017-11-10 | 2018-06-22 | 惠州市速锋科技有限公司 | A kind of tool-broaching mechanism applied to high-speed electric main shaft |
| CN209062645U (en) * | 2018-09-20 | 2019-07-05 | 吉辅企业有限公司 | The tool holding structure of cutter-exchange mechanism |
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| Publication number | Publication date |
|---|---|
| CN110919435A (en) | 2020-03-27 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |
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| CF01 | Termination of patent right due to non-payment of annual fee |