CN117506515A - Tool clamping device with low failure rate and clamping method thereof - Google Patents
Tool clamping device with low failure rate and clamping method thereof Download PDFInfo
- Publication number
- CN117506515A CN117506515A CN202311580125.1A CN202311580125A CN117506515A CN 117506515 A CN117506515 A CN 117506515A CN 202311580125 A CN202311580125 A CN 202311580125A CN 117506515 A CN117506515 A CN 117506515A
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- CN
- China
- Prior art keywords
- cutter
- clamping
- conical
- clamping plates
- mounting bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 238000003801 milling Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
- Milling Processes (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a cutter clamping device with low failure rate, which comprises a mounting bracket and a clamping mechanism arranged on the mounting bracket, wherein the clamping mechanism comprises two clamping plates, a cutter loosening pressing handle and a conical limiting block which are symmetrically arranged, the middle parts of the two clamping plates are respectively and rotatably connected to the mounting bracket, the front ends of the two clamping plates form a semi-annular cutter clamping part, the front ends of the cutter clamping parts form an opening for a cutter to enter, and a clamping spring is connected between the tail ends of the two clamping plates; a conical groove is formed between opposite sides of the middle parts of the two clamping plates, the small end of the conical groove is upwards arranged, the conical limiting block is sleeved in the conical groove, the locating rod at the bottom of the conical limiting block is slidably sleeved in the corresponding locating hole of the mounting bracket and supported by the reset spring, the ejector rod at the top of the conical limiting block extends to the upper part of the clamping plates and abuts against one end of the loose knife pressing handle, and the other end of the loose knife pressing handle is rotationally connected to the top of the rotating seat on the mounting bracket. By adopting the structure, the cutter storing and taking processes of the machine tool can be reliably completed.
Description
The scheme is a divisional application taking a patent application with the application number of 201710900990.8, the application date of 2017-09-28 and the name of cutter clamping device as a mother application.
Technical Field
The invention relates to a tool clamping device with low failure rate and a clamping method thereof.
Background
The large planer type milling machine has wide processing application range and strong processing capability, and is a necessary general device for processing modern large and heavy parts.
The modern large planer type milling machine has reached quite high automation level, and continuous processing without human intervention can be carried out by automatically replacing the adaptive cutters through the cutter magazine according to different processing requirements. However, the general tool magazine has a certain limit on the size and weight of the tools (the weight of the general tools is limited to be within 25Kg, the length of the tools is limited to be within 550mm, and the diameter of the tools is limited to be within 250 mm), and special tools exceeding the limit cannot be stored in the tool magazine, so that the special tools are replaced manually in most cases. The manual tool changing speed is low, potential safety hazards exist, continuous operation of a machine tool machining program can be broken, machining efficiency of the machine tool is greatly reduced, and even some overweight tools are difficult to manually replace. Therefore, it is necessary to design a device suitable for automatically storing and taking special tools of a large planer type milling machine.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a tool clamping device with reliable work and low failure rate and a clamping method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the cutter clamping device with low failure rate comprises a mounting bracket and a clamping mechanism arranged on the mounting bracket, wherein the clamping mechanism comprises two clamping plates, a cutter loosening pressing handle and a conical limiting block which are symmetrically arranged, the middle parts of the two clamping plates are respectively and rotatably connected to the mounting bracket, the front ends of the two clamping plates form a semi-annular cutter clamping part, the front ends of the cutter clamping parts form an opening for a cutter to enter, and a clamping spring is connected between the tail ends of the two clamping plates; a conical groove is formed between opposite sides of the middle parts of the two clamping plates, the small end of the conical groove is upwards arranged, the conical limiting block is sleeved in the conical groove, the locating rod at the bottom of the conical limiting block is slidably sleeved in the corresponding locating hole of the mounting bracket and supported by the reset spring, the ejector rod at the top of the conical limiting block extends to the upper part of the clamping plates and abuts against one end of the loose knife pressing handle, and the other end of the loose knife pressing handle is rotationally connected to the top of the rotating seat on the mounting bracket.
The tail end of the cutter clamping part is provided with a positioning block which is used for being inserted into a positioning groove of the cutter handle, and the positioning block is fixedly connected with the mounting bracket.
The inner ring surface of the knife clamping part is provided with a wedge-shaped bulge matched with the wedge-shaped groove of the knife handle.
The mounting bracket is a box-shaped frame formed by welding a steel plate.
The clamping mechanism further comprises a limiting pressing plate fixed on the mounting support frame, and the limiting pressing plate is pressed at the tail ends of the two clamping plates.
The invention adopts the structure and has the following beneficial technical effects: the invention utilizes the motion coordination of the ram and the related mechanisms to complete all mechanical actions, does not use any hydraulic, pneumatic and electric executive components in the processes of storing and taking the tool of the machine tool, reduces the electric control links, eliminates the defect of high failure rate of the executive components, ensures the stable and accurate long-term operation of the whole mechanism, and also ensures that the machine tool achieves higher reliability in the use process of special tools.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic diagram of a knife depositing process.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
As shown in one of fig. 1 to 3, the invention comprises a mounting bracket 1 and a clamping mechanism 2 arranged on the mounting bracket 1, wherein the clamping mechanism 2 comprises two clamping plates 21, a cutter loosening pressing handle 22 and a conical limiting block 23 which are symmetrically arranged, the middle parts of the two clamping plates 21 are respectively and rotatably connected to the mounting bracket 1, the front ends of the two clamping plates 21 form a semi-annular cutter clamping part, the front ends of the cutter clamping parts form an opening for a cutter 4 to enter, and a clamping spring 24 is connected between the tail ends of the two clamping plates 21; a conical groove is formed between opposite sides of the middle parts of the two clamping plates 21, the small end of the conical groove is upwards arranged, the conical limiting block 23 is sleeved in the conical groove, the locating rod at the bottom of the conical limiting block 23 is slidably sleeved in the corresponding locating hole of the mounting bracket 1 and is supported by the reset spring 25, the ejector rod at the top of the conical limiting block 23 extends to the upper part of the clamping plates 21 and abuts against one end of the loose cutter pressing handle 22, and the other end of the loose cutter pressing handle 22 is rotatably connected to the top of the rotating seat on the mounting bracket 1.
The tail end of the knife clamping part is provided with a positioning block 26 which is used for being inserted into a positioning groove of the knife handle of the knife 4, and the positioning block 26 is fixedly connected with the mounting bracket 1. The positioning block 26 is inserted into a positioning groove of the shank of the cutter 4 to limit circumferential rotation of the cutter 4.
The inner ring surface of the knife clamping part is provided with a wedge-shaped bulge matched with the wedge-shaped groove of the knife handle of the knife 4. The wedge-shaped bulge can be clamped into a wedge-shaped groove of the handle of the cutter 4 to limit the movement of the cutter 4 in the horizontal and vertical planes.
The mounting bracket 1 is a box-shaped frame formed by welding a steel plate.
The clamping mechanism 2 further comprises a limiting pressing plate 27 fixed on the mounting support frame, and the limiting pressing plate 27 is pressed and held at the tail ends of the two clamping plates 21, so that the overall rigidity of the clamping mechanism 2 is improved.
The process of storing the knife is as follows: in the initial state, the two clamping plates 21 cannot be opened due to the tight combination of the conical limiting block 23 and the conical groove; the ram 3 moves along the horizontal direction, the end face of the ram 3 fully presses down the loose knife pressing handle 22, and the conical limiting block 23 is completely separated from the conical groove (the two clamping plates 21 are in an openable state); the ram 3 continues to move along the horizontal direction, the cutter 4 is supported by the axial thrust of the ram 3, the two clamping plates 21 are supported to enter the cutter clamping part, after the cutter 4 completely enters the cutter clamping part, the main shaft on the ram 3 is loosened, the ram 3 moves upwards, the cutter loosening pressing handle 22 is reset, the conical limiting block 23 is attached to the conical groove under the action of the reset spring 25 to limit the expansion of the clamping plates 21, the clamping spring 24 pushes the two clamping plates 21 to clamp the cutter 4, the wedge-shaped bulges on the inner ring surface of the cutter clamping part are completely clamped into the wedge-shaped grooves of the cutter handle of the cutter 4, and meanwhile, the positioning block 26 is inserted into the positioning groove of the cutter 4, so that the cutter storing process is completed.
The knife taking process is the reverse process of the knife storing process, and repeated description is not carried out.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (3)
1. The utility model provides a cutter clamping device of low fault rate, includes the installing support and locates fixture on the installing support, its characterized in that: the clamping mechanism comprises two clamping plates, a cutter loosening pressing handle and a conical limiting block which are symmetrically arranged, the middle parts of the two clamping plates are respectively connected to the mounting bracket in a rotating mode, the front ends of the two clamping plates form a semi-annular cutter clamping part, the front ends of the cutter clamping parts form an opening for a cutter to enter, and a clamping spring is connected between the tail ends of the two clamping plates; a conical groove is formed between opposite sides of the middle parts of the two clamping plates, the small end of the conical groove is upwards arranged, the conical limiting block is sleeved in the conical groove, a positioning rod at the bottom of the conical limiting block is slidably sleeved in a corresponding positioning hole of the mounting bracket and is supported by a reset spring, a push rod at the top of the conical limiting block extends to the upper part of the clamping plates and abuts against one end of the loose knife pressing handle, and the other end of the loose knife pressing handle is rotatably connected to the top of a rotating seat on the mounting bracket; the tail end of the cutter clamping part is provided with a positioning block which is used for being inserted into a positioning groove of the cutter handle, the positioning block is fixedly connected with the mounting bracket, and the positioning block is inserted into the positioning groove of the cutter handle to limit the circumferential rotation of the cutter; the inner ring surface of the knife clamping part is provided with a wedge-shaped bulge matched with the wedge-shaped groove of the knife handle; the wedge-shaped bulge can be clamped into a wedge-shaped groove of the cutter handle to limit the movement of the cutter in the horizontal and vertical planes;
the clamping mechanism further comprises a limiting pressing plate fixed on the mounting support frame, and the limiting pressing plate is pressed at the tail ends of the two clamping plates.
2. The low failure rate tool holding device of claim 1, wherein: the mounting bracket is a box-shaped frame formed by welding a steel plate.
3. A low failure rate tool clamping method, characterized in that it is based on a low failure rate tool clamping device according to any of claims 1 to 2, said clamping method comprising the steps of:
in the initial state, as the conical limiting block is tightly combined with the conical groove, the two clamping plates cannot be opened; the ram moves along the horizontal direction, the end face of the ram fully presses down the loose knife pressing handle, and the conical limiting block is completely separated from the conical groove at the moment; the ram 3 continues to move along the horizontal direction, the cutter relies on the axial thrust of ram, prop up two splint and get into clamp sword portion, after the cutter got into clamp sword portion completely, the main shaft on the ram loosens the sword, the ram upward movement, pine sword presses the handle to reset, the toper stopper is laminated with the toper groove in order to restrict opening of splint under reset spring's effect, clamp spring promotes two splint and presss from both sides tight cutter, wedge arch on the anchor ring in the clamp sword portion is blocked completely in the wedge groove of cutter handle, the locating piece inserts in the constant head tank of cutter simultaneously, accomplish the process of depositing the sword.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311580125.1A CN117506515A (en) | 2017-09-28 | 2017-09-28 | Tool clamping device with low failure rate and clamping method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900990.8A CN107685246B (en) | 2017-09-28 | 2017-09-28 | Tool clamping device |
| CN202311580125.1A CN117506515A (en) | 2017-09-28 | 2017-09-28 | Tool clamping device with low failure rate and clamping method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710900990.8A Division CN107685246B (en) | 2017-09-28 | 2017-09-28 | Tool clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117506515A true CN117506515A (en) | 2024-02-06 |
Family
ID=61156815
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710900990.8A Active CN107685246B (en) | 2017-09-28 | 2017-09-28 | Tool clamping device |
| CN202311580125.1A Pending CN117506515A (en) | 2017-09-28 | 2017-09-28 | Tool clamping device with low failure rate and clamping method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710900990.8A Active CN107685246B (en) | 2017-09-28 | 2017-09-28 | Tool clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107685246B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171348B (en) * | 2020-08-28 | 2021-09-28 | 襄阳华中科技大学先进制造工程研究院 | Automatic tool fetching and storing device |
| CN113878152A (en) * | 2021-09-16 | 2022-01-04 | 江苏双阳机械科技有限公司 | Clamping and grabbing device for end milling cutter |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07185985A (en) * | 1993-12-24 | 1995-07-25 | Hitachi Seiki Co Ltd | Automatic tool change device for lathe |
| KR100814609B1 (en) * | 2001-12-04 | 2008-03-18 | 두산인프라코어 주식회사 | Both sides tool port clamping device of machining center |
| JP4641471B2 (en) * | 2005-09-12 | 2011-03-02 | 株式会社ソディック | Tool changer for machine tools |
| CN202507100U (en) * | 2012-03-22 | 2012-10-31 | 武汉钢铁(集团)公司 | Clamp for milling machine sample preparation |
| CN104551807A (en) * | 2015-02-03 | 2015-04-29 | 湖北毅兴机床有限公司 | Tool magazine tool clamping device |
| KR101713106B1 (en) * | 2015-03-09 | 2017-03-07 | 김향곤 | Tool magazine for automatic tool changer |
| CN204504835U (en) * | 2015-04-09 | 2015-07-29 | 亿达日平机床有限公司 | For the cutter holding device of machine cutter holder |
| CN204546074U (en) * | 2015-04-28 | 2015-08-12 | 浙江日发精密机械股份有限公司 | A kind of Novel cam type tool magazine |
| CN104907405B (en) * | 2015-06-01 | 2017-01-04 | 太仓恒阳金属制品有限公司 | Bender double block convenient cutter holder of speed |
| CN204711636U (en) * | 2015-06-09 | 2015-10-21 | 深圳市科益展自动化有限公司 | One tears knife system open automatically |
| CN207344232U (en) * | 2017-09-28 | 2018-05-11 | 福建省威诺数控有限公司 | Cutter holding device |
-
2017
- 2017-09-28 CN CN201710900990.8A patent/CN107685246B/en active Active
- 2017-09-28 CN CN202311580125.1A patent/CN117506515A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN107685246B (en) | 2023-12-19 |
| CN107685246A (en) | 2018-02-13 |
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