CN111299620A - Waterproof end cover structure for power tool apron - Google Patents
Waterproof end cover structure for power tool apron Download PDFInfo
- Publication number
- CN111299620A CN111299620A CN202010242488.4A CN202010242488A CN111299620A CN 111299620 A CN111299620 A CN 111299620A CN 202010242488 A CN202010242488 A CN 202010242488A CN 111299620 A CN111299620 A CN 111299620A
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- CN
- China
- Prior art keywords
- waterproof
- power tool
- plate
- main shaft
- flange plate
- 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
- 238000007789 sealing Methods 0.000 claims description 28
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002173 cutting fluid Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000889 atomisation Methods 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention relates to a waterproof end cover structure for a power tool apron, which comprises a waterproof disc, wherein the waterproof disc is provided with a water inlet and a water outlet; the waterproof plate is assembled between the flange plate and the main shaft; the right side of the waterproof plate is abutted against the end face of the inner hole of the flange plate, and the excircle of the waterproof plate is fixed with the inner hole of the flange plate in an interference fit manner; the cutting fluid spraying device is simple in structure and ingenious in design, and by arranging the waterproof disc, the cutting fluid is prevented from being directly sprayed to the position of the air-tight seal outlet to cause atomization, meanwhile, the air-tight seal action area is increased, and the air-tight seal action effect is improved.
Description
Technical Field
The invention belongs to the technical field of power tool apron accessories, and particularly relates to a waterproof end cover structure for a power tool apron.
Background
The front end of the power tool apron is provided with a tool, the rear end of the power tool apron is provided with a power tool turret, the power tool apron is mainly used on a numerical control lathe, and the tool is driven by the power tool apron to perform cutting processing, so that the sealing performance of the tool apron is very important to the product quality. The sealing form of the power tool apron mainly uses a rotary sealing ring and a labyrinth structure as main parts, the sealing ring plays a main sealing role to prevent cutting fluid and other fluids from entering the tool apron box body, the labyrinth plays an auxiliary sealing role, and other impurities with large sizes are mainly prevented from entering the tool apron box body.
The defects of the traditional sealing mode at present are as follows: the outlet of the conventional labyrinth sealing structure is directly communicated with a processing area, the cutting fluid is directly sprayed to the air sealing outlet, atomization is locally formed under the action of high pressure, after cutting is completed, the atomized cutting fluid possibly flows back into the sealing cavity, and the bearing is still damaged under the action of long-term accumulation.
In view of the above problems, it is necessary to improve them.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a waterproof end cover structure arranged at the front end of a power tool apron, which has the functions of preventing cutting fluid from being directly sprayed to a gas seal outlet to cause atomization, increasing a gas seal action area and improving the gas seal action effect.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a waterproof end cover structure for a power tool apron comprises a waterproof disc; the waterproof plate is assembled between the flange plate and the main shaft; the right side of the waterproof plate is abutted to the end face of the inner hole of the flange plate, and the outer circle of the waterproof plate is fixed with the inner hole of the flange plate in an interference fit mode.
As a preferable aspect of the present invention, a gap is maintained between the right inner end surface of the waterproof disk and the end surface of the spindle.
As a preferable scheme of the invention, a gap is kept between an inner hole of the waterproof disc and an outer circle of the main shaft.
As a preferred scheme of the invention, the waterproof plate comprises a chassis, and connecting plates are vertically arranged on the periphery of the chassis; the bottom of the chassis is provided with a cavity, and the main shaft penetrates through the cavity.
As a preferable scheme of the invention, the chassis is fixedly connected with the connecting plate and integrally formed.
In a preferable scheme of the invention, the height H of the connecting plate is 2/3-3/4 of the width W of the chassis.
As a preferable scheme of the invention, two threaded holes are distributed on the outer side surface of the chassis, and the two threaded holes are symmetrically distributed.
As a preferable scheme of the present invention, a tool apron box is installed at the rear end of the flange, a bearing is installed in the tool apron box, and the main shaft is installed in the bearing.
In a preferred embodiment of the present invention, the inner hole of the flange is provided with an air-tight sealing structure, and the flange and the main shaft are provided with gaps in both axial and radial directions to form an air-tight sealing region.
As a preferred scheme of the invention, an airtight outlet is arranged between the inner hole of the flange plate and the outer circle of the main shaft.
The invention has the beneficial effects that:
1. the cutting fluid spraying device is simple in structure and ingenious in design, and by arranging the waterproof disc, the cutting fluid is prevented from being directly sprayed to the position of the air-tight seal outlet to cause atomization, meanwhile, the air-tight seal action area is increased, and the air-tight seal action effect is improved;
2. the chassis is fixedly connected with the connecting plate and integrally formed; the structural strength and the integral firmness of the waterproof plate are improved, and the use safety of the waterproof end cover structure is further ensured;
3. two gaps are formed between the waterproof disc and the main shaft, so that an air sealing action area is increased, the cutting fluid is far away from the sealing space in the cutter holder, and the air sealing effect is obviously improved;
4. the waterproof disc is arranged on the flange plate, a barrier for avoiding direct injection is additionally arranged in the cutting fluid and the cutter holder, and meanwhile, the waterproof disc is in interference fit with an inner hole of the flange plate and also has a sealing effect;
5. the outer end face of the waterproof disc is provided with threaded holes for disassembling the end cover.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a waterproof disk according to an embodiment of the present invention;
FIG. 3 is a front view of a waterproof disk of an embodiment of the present invention;
FIG. 4 is a side view of a water resistant disk according to an embodiment of the present invention;
reference numbers in the figures: the tool apron comprises a main shaft 1, a threaded hole 2, a flange plate 3, a tool apron box body 4, an air sealing area 5, an air sealing outlet 6, a waterproof plate 10, a chassis 11, a connecting plate 12 and a cavity 13.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1 to 4, the present embodiment provides a waterproof end cover structure for a power tool apron, which includes a waterproof disk 10; the waterproof plate 10 is assembled between the flange plate 3 and the main shaft 1; a cutter holder box body 4 is arranged at the rear end of the flange plate 3, a bearing is arranged in the cutter holder box body 4, and the main shaft 1 is arranged in the bearing; the right side of the waterproof plate 10 is abutted against the end face of the inner hole of the flange plate 3, and the excircle of the waterproof plate 10 is fixed with the inner hole of the flange plate 3 in an interference fit manner; the cutting fluid spraying device is simple in structure and ingenious in design, and by arranging the waterproof disc, the cutting fluid is prevented from being directly sprayed to the position of the air-tight seal outlet to cause atomization, meanwhile, the air-tight seal action area is increased, and the air-tight seal action effect is improved.
Specifically, a gap is kept between the inner end surface of the right side of the waterproof disc 10 and the end surface of the spindle 1; a gap is kept between the inner hole of the waterproof disc 10 and the outer circle of the main shaft 1; the technical scheme is adopted; two gaps are formed between the waterproof disc and the main shaft, so that the air sealing action area is increased, the cutting fluid is far away from the sealing space in the cutter holder, and the air sealing effect is obviously improved.
The waterproof disc is arranged on the flange plate, a barrier for avoiding direct injection is additionally arranged in the cutting fluid and the cutter holder, and meanwhile, the waterproof disc and the inner hole of the flange plate are in interference fit and have a sealing effect.
The waterproof plate 10 comprises a base plate 11, and connecting plates 12 are vertically arranged on the periphery of the base plate 11; a cavity 13 is formed at the bottom of the chassis 10, and the spindle 1 penetrates through the cavity 13; the chassis 11 is fixedly connected with the connecting plate 12 and integrally formed; the structural strength and the integral firmness of the waterproof plate are improved, and the use safety of the waterproof end cover structure is further guaranteed.
The height H of the connecting plate 12 is 2/3-3/4 of the width W of the chassis 11; in this embodiment, the height H of the connecting plate 12 is 2/3 of the width W of the chassis 11; mainly matched with the specifications of the flange plate 3 and the main shaft 1.
Two threaded holes 2 are distributed on the outer side surface of the chassis 11, and the two threaded holes 2 are symmetrically distributed; the end cover is detached; providing convenience.
An air sealing structure is distributed in an inner hole of the flange plate 3, and gaps are distributed between the flange plate 3 and the main shaft 1 in the axial direction and the radial direction to form an air sealing area 5; an airtight outlet 6 is arranged between the inner hole of the flange plate 3 and the outer circle of the main shaft 1.
The working principle of the invention is as follows: the flange 3 is arranged on the cutter holder box body 4 and used for bearing positioning, an air-tight seal outlet 6 is arranged between an inner hole of the flange 3 and the outer circle of the main shaft 1, and compressed air is sprayed outwards along a gap formed by the flange 3 and the main shaft 1 and a gap formed by the main shaft 1 and the waterproof disc 10, so that a sealing effect is achieved; the right end face of the waterproof disc 10 is abutted against the end face of an inner hole in the left side of the flange plate 3, the outer circle of the waterproof disc 10 is in interference fit with the inner hole of the flange plate 3, a gap is kept between the inner end face in the right side of the waterproof disc 10 and the left end face of the main shaft 1, a gap is kept between the inner hole of the waterproof disc 10 and the outer circle of the main shaft 1, and a threaded hole 2 is distributed in the left end face of the waterproof disc 10 and used; when the tool holder is in operation, the spindle 1 rotates, and the waterproof disk 10 is fixed on the flange 3 and stands still, so that a sealed space from the airtight inlet 6 to the airtight region 5 is formed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the terms spindle 1, threaded hole 2, flange 3, tool holder housing 4, gas-tight sealing area 5, gas-tight outlet 6, water-proof disc 10, base plate 11, connecting plate 12, cavity 13, etc., but do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a waterproof end cover structure for power blade holder which characterized in that: comprises a waterproof tray (10); the waterproof plate (10) is assembled between the flange plate (3) and the main shaft (1); the right side of the waterproof plate (10) is abutted against the end face of the inner hole of the flange plate (3), and the outer circle of the waterproof plate (10) is fixed with the inner hole of the flange plate (3) in an interference fit manner.
2. The waterproof end cover structure for a power tool holder according to claim 1, wherein: and a gap is kept between the right inner end surface of the waterproof disc (10) and the end surface of the main shaft (1).
3. The waterproof end cover structure for a power tool holder according to claim 2, wherein: and a gap is kept between the inner hole of the waterproof disc (10) and the excircle of the main shaft (1).
4. A waterproof end cap structure for a power tool holder according to any one of claims 1 to 3, wherein: the waterproof plate (10) comprises a chassis (11), and connecting plates (12) are vertically arranged on the periphery of the chassis (11); the bottom of the chassis (10) is provided with a cavity (13), and the main shaft (1) is arranged in the cavity (13) in a penetrating way.
5. The waterproof end cover structure for a power tool holder according to claim 4, wherein: the chassis (11) is fixedly connected with the connecting plate (12) and is integrally formed.
6. The waterproof end cap structure for a power tool holder according to claim 5, wherein: the height (H) of the connecting plate (12) is 2/3-3/4 of the width (W) of the chassis (11).
7. The waterproof end cap structure for a power tool holder according to claim 6, wherein: two threaded holes (2) are distributed in the outer side face of the chassis (11), and the two threaded holes (2) are symmetrically distributed.
8. The waterproof end cover structure for a power tool holder according to claim 1, wherein: a tool apron box body (4) is installed at the rear end of the flange plate (3), a bearing is installed in the tool apron box body (4), and the main shaft (1) is installed in the bearing.
9. The waterproof end cap structure for a power tool holder according to claim 8, wherein: the inner hole of the flange plate (3) is provided with an air sealing structure, and gaps are arranged between the flange plate (3) and the main shaft (1) in the axial direction and the radial direction to form an air sealing area (5).
10. The waterproof end cap structure for a power tool holder according to claim 9, wherein: and an air-tight seal outlet (6) is arranged between the inner hole of the flange plate (3) and the outer circle of the main shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010242488.4A CN111299620A (en) | 2020-03-31 | 2020-03-31 | Waterproof end cover structure for power tool apron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010242488.4A CN111299620A (en) | 2020-03-31 | 2020-03-31 | Waterproof end cover structure for power tool apron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111299620A true CN111299620A (en) | 2020-06-19 |
Family
ID=71153793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010242488.4A Pending CN111299620A (en) | 2020-03-31 | 2020-03-31 | Waterproof end cover structure for power tool apron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111299620A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789357A (en) * | 2021-11-30 | 2022-07-26 | 昆山罗力精密机械有限公司 | Main shaft waterproof cover |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201944268U (en) * | 2010-12-24 | 2011-08-24 | 江苏牧羊集团有限公司 | Shaft end seal compressing structure |
| CN205996687U (en) * | 2016-08-23 | 2017-03-08 | 中国一拖集团有限公司 | A kind of machine tool chief axis front end cutting fluid outlet structure |
| CN109707851A (en) * | 2019-01-31 | 2019-05-03 | 宇晶机器（长沙）有限公司 | A kind of contact type sealing device for multi-line cutting machine high-speed bearing case |
| CN209398846U (en) * | 2018-12-28 | 2019-09-17 | 广州市威嘉机床有限公司 | A kind of hat type sealing structure |
| CN110773760A (en) * | 2019-08-30 | 2020-02-11 | 纳载（上海）精工科技有限公司 | Double-output mechanical main shaft mechanism with airtight sealing |
| CN110814879A (en) * | 2019-11-07 | 2020-02-21 | 上海机床厂有限公司 | Sealing structure of deep hole internal grinding tool |
| CN212704381U (en) * | 2020-03-31 | 2021-03-16 | 海辰精密机械(嘉兴)股份有限公司 | Waterproof end cover structure for power tool apron |
-
2020
- 2020-03-31 CN CN202010242488.4A patent/CN111299620A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201944268U (en) * | 2010-12-24 | 2011-08-24 | 江苏牧羊集团有限公司 | Shaft end seal compressing structure |
| CN205996687U (en) * | 2016-08-23 | 2017-03-08 | 中国一拖集团有限公司 | A kind of machine tool chief axis front end cutting fluid outlet structure |
| CN209398846U (en) * | 2018-12-28 | 2019-09-17 | 广州市威嘉机床有限公司 | A kind of hat type sealing structure |
| CN109707851A (en) * | 2019-01-31 | 2019-05-03 | 宇晶机器（长沙）有限公司 | A kind of contact type sealing device for multi-line cutting machine high-speed bearing case |
| CN110773760A (en) * | 2019-08-30 | 2020-02-11 | 纳载（上海）精工科技有限公司 | Double-output mechanical main shaft mechanism with airtight sealing |
| CN110814879A (en) * | 2019-11-07 | 2020-02-21 | 上海机床厂有限公司 | Sealing structure of deep hole internal grinding tool |
| CN212704381U (en) * | 2020-03-31 | 2021-03-16 | 海辰精密机械(嘉兴)股份有限公司 | Waterproof end cover structure for power tool apron |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789357A (en) * | 2021-11-30 | 2022-07-26 | 昆山罗力精密机械有限公司 | Main shaft waterproof cover |
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