CN114871473A - Drilling die and drilling method for oil tank and shell of multistage centrifugal fan - Google Patents
Drilling die and drilling method for oil tank and shell of multistage centrifugal fan Download PDFInfo
- Publication number
- CN114871473A CN114871473A CN202210627620.2A CN202210627620A CN114871473A CN 114871473 A CN114871473 A CN 114871473A CN 202210627620 A CN202210627620 A CN 202210627620A CN 114871473 A CN114871473 A CN 114871473A
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- China
- Prior art keywords
- drill jig
- oil tank
- positioning plate
- oil
- oil level
- 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.)
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- 238000005553 drilling Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 15
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 98
- 239000002828 fuel tank Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a drilling die and a drilling method for an oil tank and a shell of a multistage centrifugal fan, and the drilling die comprises a drill jig, a drill jig positioning plate and an oil level hole positioning plate, wherein the drill jig is annular, a plurality of bolt holes I are equally distributed on the drill jig, clamping grooves I are respectively arranged at symmetrical positions of the lower parts of two sides of the drill jig, and a clamping groove II is arranged at the bottom of the drill jig; the two drill jig positioning plates are arranged, the drill jig positioning plates are installed on a drill jig through one end of a connecting block, an L-shaped structure is perpendicularly welded to the other end of the connecting block, and positioning holes are formed in the end portion of the L-shaped structure; the oil level hole positioning plate is L-shaped and is arranged at the bottom of the drill jig. The oil tank positioning device is simple in structure, capable of effectively fixing the oil tank and positioning the oil level holes on the two sides of the oil tank, simple in process, not prone to error, capable of accurately positioning the positions of the oil level holes on the two sides of the oil tank and capable of effectively improving working efficiency, simple in structure, convenient to disassemble and flexible to operate by workers.
Description
Technical Field
The invention relates to the technical field of centrifugal fans, in particular to a drilling die and a drilling method for an oil tank and a shell of a multistage centrifugal fan.
Background
The multistage centrifugal fan is of a multistage, single-suction and double-support structure and comprises a rotor, a shell, an air inlet, an air outlet, a bearing seat, a sealing group, a control system and the like, wherein the motor is arranged on the base, and the motor and the base are directly driven through a coupler. The fan is widely applied to various smelting boilers, coal washery, mine flotation, sewage treatment, chemical gas making and other occasions needing air conveying, and can also be used for conveying other non-corrosive gases, such as blast furnace air supply, sewage treatment aeration air blast, coke oven gas, shaft furnace sintering air supply and the like.
The oil level windows are arranged on the two sides of the oil tank of the centrifugal fan and used for observing the height of lubricating oil, and the oil level windows are arranged above the oil level holes on the two sides of the oil tank.
In order to ensure that the connecting line of the two side vernier windows is horizontal to the ground, the common method is that when a vernier screw hole is drilled, the positions of the two side vernier windows are manually and equally demarcated after the oil tank and the fan shell are preassembled, and then the oil tank is taken to a drilling machine for drilling according to the demarcated position. The method has complicated procedures and is easy to make mistakes, and the vernier positions on the two sides of the oil tank cannot be accurately positioned.
Disclosure of Invention
The invention provides a drilling die and a drilling method for an oil tank and a shell of a multistage centrifugal fan, aiming at solving the problems that the positions of two side windows are defined, the process is complicated, the error is easy, and the vernier positions on the two sides of the oil tank cannot be accurately positioned in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: a drilling die for an oil tank and a shell of a multistage centrifugal fan comprises a drilling jig, a drilling jig positioning plate and an oil level hole positioning plate, wherein the drilling jig is in a circular ring shape, a plurality of bolt holes I are arranged in the circumferential direction of the drilling jig in an equally-divided mode, clamping grooves I are formed in symmetrical positions of the lower portions of two sides of the drilling jig, and clamping grooves II are formed in the bottom of the drilling jig;
the two drill jig positioning plates comprise connecting blocks and L-shaped structures, the drill jig positioning plates are installed on the drill jig through one ends of the connecting blocks, the L-shaped structures are perpendicularly welded to the other ends of the connecting blocks, and positioning holes are formed in the end portions of the L-shaped structures;
the oil level hole positioning plate is L-shaped and is arranged at the bottom of the drill jig.
By the technical scheme, the problem that connecting lines of oil level holes on two sides of the oil tank are horizontal to the ground can be effectively solved, and when lubricating oil is added into the oil tank, oil level windows on two sides display oil level heights to be consistent.
Furthermore, the two clamping grooves are positioned on the same side of the drill jig, and the two clamping grooves are positioned on the other side of the drill jig.
Further, the first bolt hole is correspondingly connected with the second bolt hole in the oil tank.
Furthermore, two jig locating plates locate the position of the oil level hole on the oil tank of the centrifugal fan, and the position of the oil level hole is located through the locating hole, so that the use is convenient.
Furthermore, the oil level hole positioning plate positions the angle position of the bolt hole II, so that the connection between the drill jig and the oil tank is facilitated.
Furthermore, one end of the connecting block is clamped at the first clamping groove, and the oil level hole positioning plate is clamped at the second clamping groove.
Through the technical scheme, the drill jig positioning plate and the oil level hole positioning plate are connected through the clamping grooves, so that the drill jig, the drill jig positioning plate and the oil level hole positioning plate can be disassembled, and the operation of workers is flexible.
A drilling method for an oil tank and a shell of a multistage centrifugal fan comprises the following steps:
(1) fixing the drill jig with the oil tank: the drill jig is clamped on the oil tank through the inner hole, and the end surfaces of the drill jig and the oil tank are tightly attached;
(2) the oil level hole positioning plate is clamped at the second clamping groove of the drilling jig and is attached to the lower plane of the oil tank, the position of the oil tank is fixed, and the angle positions of 8 bolt holes of the oil tank are fixed;
(3) the drill jig positioning plate is connected with the first clamping groove through the connecting block, the drill jig and the oil tank are fastened, and the position of the oil level hole is positioned through the positioning hole;
(4) when the oil tank is connected with the fan shell through 8 bolt holes, connecting lines of oil level holes on two sides of the oil tank are parallel to the surface of the mounting support leg of the fan shell, the mounting support leg is parallel to the ground, vernier holes on the side of the drill jig positioning plate are horizontal to the ground, and oil level windows on two sides display oil level height consistency.
Through the technical scheme, the oil tank fixing device is simple in structure, practical and convenient, the oil tank is effectively fixed, the oil level holes in the two sides of the oil tank are positioned, the process is simple, errors are not prone to occurring, the positions of the oil level holes in the two sides of the oil tank can be accurately positioned, and the working efficiency is effectively improved.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can effectively solve the problem that the connecting line of the oil level holes at the two sides of the oil tank is horizontal to the ground, and when lubricating oil is added into the oil tank, the oil level windows at the two sides display the consistent oil level height.
2. According to the invention, the drill jig positioning plate and the oil level hole positioning plate are connected through the clamping groove, so that the drill jig, the drill jig positioning plate and the oil level hole positioning plate can be disassembled, and the operation of workers is flexible.
3. The oil tank fixing device is simple in structure, practical and convenient, can effectively fix the oil tank, can position the oil level holes on the two sides of the oil tank, is simple in process, is not prone to error, can accurately position the oil level holes on the two sides of the oil tank, and effectively improves working efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the drill jig of the present invention;
FIG. 3 is a schematic structural view of the jig positioning plate according to the present invention;
FIG. 4 is a schematic view of the oil level hole positioning plate of the present invention;
FIG. 5 is a front view of the fuel tank of the present invention;
FIG. 6 is a side view of the fuel tank of the present invention;
FIG. 7 is a front view of the invention connected to a fuel tank;
figure 8 is a side view of the invention connected to a fuel tank.
Wherein, 1, drilling a mold; 101. a first clamping groove; 102. a first bolt hole; 103. a second clamping groove; 2. drilling a mold positioning plate; 201. connecting blocks; 202. an L-shaped structure; 203. positioning holes; 3. an oil level hole positioning plate; 4. an oil tank; 401. a second bolt hole; 402. an oil level hole.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following specific embodiments.
Referring to fig. 1-8, the invention discloses a drilling die for an oil tank and a shell of a multistage centrifugal fan, which comprises a drill jig 1, a drill jig positioning plate 2 and an oil level hole positioning plate 3, wherein the drill jig 1, the drill jig positioning plate 2 and the oil level hole positioning plate 3 are connected through clamping grooves, so that the drilling die can be disassembled, and the operation of workers is flexible; the drilling jig 1 is annular, a plurality of bolt holes I102 are equally distributed on the drilling jig 1, the bolt holes I102 are correspondingly connected with bolt holes II 401 in the oil tank 4, clamping grooves I101 are symmetrically arranged at the lower parts of two sides of the drilling jig 1, a clamping groove II 103 is arranged at the bottom of the drilling jig 1, the two clamping grooves I101 are located on the same side of the drilling jig 1, and the clamping groove II 103 is located on the other side of the drilling jig 1;
the two drill jig positioning plates 2 are arranged, the drill jig positioning plates 2 are installed on the drill jig 1 through one end of a connecting block 201, one end of the connecting block 201 is clamped at the first clamping groove 101, an L-shaped structure 202 is perpendicularly welded to the other end of the connecting block 201, a positioning hole 203 is formed in the end portion of the L-shaped structure 202, the drill jig positioning plates 2 are used for positioning the position of the oil level hole 402, and the position of the oil level hole 402 is positioned through the positioning hole 203, so that the use is convenient;
the oil level hole positioning plate 3 is L-shaped, the oil level hole positioning plate 3 is installed at the bottom of the drilling jig 1, the oil level hole positioning plate 3 is clamped at the second clamping groove 103, and the oil level hole positioning plate 3 positions the angle position of the bolt hole II 401, so that the drilling jig 1 is conveniently connected with the oil tank 4.
A drilling method for an oil tank and a shell of a multistage centrifugal fan comprises the following steps:
(1) firstly, fixing a drill jig 1 and an oil tank 4: the drill jig 1 is clamped on the oil tank 4 through an inner hole, and the end surfaces of the drill jig and the oil tank are tightly attached;
(2) in order to prevent the drill jig 1 from rotating, the oil level hole positioning plate 3 is clamped at the second clamping groove 103 of the drill jig 1, the oil level hole positioning plate 3 is attached to the lower plane of the oil tank 4, the position of the oil tank 4 is fixed, the angle positions of 8 bolt holes of the oil tank 4 are fixed, and the 8 bolt holes one 102 at the drill jig 1 are correspondingly connected with the 8 bolt holes of the oil tank 4 one by one;
(3) the connecting block 201 is connected with the first clamping groove 101, the two drill jig positioning plates 2 are fastened with the drill jig 1 and the oil tank 4, the positions of the two oil level holes 402 are positioned through the two positioning holes 203, and the horizontal positions of the two oil level holes 402 are consistent;
(4) when the oil tank 4 is connected with the fan shell through 8 bolt holes, connecting lines of oil level holes 402 on two sides of the oil tank 4 are parallel to the surface of a mounting supporting leg of the fan shell, the mounting supporting leg is parallel to the ground, a vernier hole on one side of the drill jig positioning plate 2 is horizontal to the ground, oil level windows on two sides display oil levels with the same height, and the connecting lines of the oil level holes 402 on two sides of the oil tank 4 are guaranteed to be horizontal to the ground.
It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only, since various other embodiments will become apparent to those skilled in the art upon reference to the following detailed description.
Claims (7)
1. The drilling die for the oil tank and the shell of the multistage centrifugal fan is characterized by comprising a drill jig (1), a drill jig positioning plate (2) and an oil level hole positioning plate (3), wherein the drill jig (1) is annular, a plurality of first bolt holes (102) are formed in the circumferential direction of the drill jig (1) in an equally-divided mode, a first clamping groove (101) is formed in the symmetrical position of the lower portions of two sides of the drill jig (1), and a second clamping groove (103) is formed in the bottom of the drill jig (1);
the two drill jig positioning plates (2) are arranged, each drill jig positioning plate (2) comprises a connecting block (201) and an L-shaped structure (202), each drill jig positioning plate (2) is installed on the drill jig (1) through one end of each connecting block (201), the other end of each connecting block (201) is vertically welded with the corresponding L-shaped structure (202), and the end part of each L-shaped structure (202) is provided with a positioning hole (203);
the oil level hole positioning plate (3) is L-shaped, and the oil level hole positioning plate (3) is installed at the bottom of the drill jig (1).
2. The drilling die for the oil tank and the shell of the multistage centrifugal fan as claimed in claim 1, wherein the two first clamping grooves (101) are located on the same side of the drill jig (1), and the second clamping grooves (103) are located on the other side of the drill jig (1).
3. The drilling die for the oil tank and the shell of the multistage centrifugal fan as claimed in claim 1, wherein the first bolt hole (102) is correspondingly connected with the second bolt hole (401) in the oil tank (4).
4. The drilling die for the oil tank and the shell of the multistage centrifugal fan as claimed in claim 1, wherein two drilling die positioning plates (2) are used for positioning the positions of the positioning holes (402) on the oil tank of the centrifugal fan.
5. The drilling die for the oil tank and the shell of the multistage centrifugal fan as claimed in claim 3, wherein the oil level hole positioning plate (3) is used for positioning the angle position of the bolt hole II (401).
6. The drilling die for the oil tank and the shell of the multistage centrifugal fan as claimed in claim 1, wherein one end of the connecting block (201) is clamped at a first clamping groove (101), and the oil level hole positioning plate (3) is clamped at a second clamping groove (103).
7. A drilling method for an oil tank and a shell of a multistage centrifugal fan is characterized by comprising the following steps:
(1) fixing the drill jig (1) and the oil tank (4): the drill jig (1) is clamped on the oil tank (4) through an inner hole, and the end surfaces of the drill jig and the oil tank are tightly attached;
(2) the oil level hole positioning plate (3) is clamped at a second clamping groove (103) of the drill jig (1), the oil level hole positioning plate (3) is attached to the lower plane of the oil tank (4), the position of the oil tank (4) is fixed, and the angle positions of the first 8 bolt holes (102) of the oil tank (4) are fixed;
(3) the drill jig positioning plate (2) is connected with the first clamping groove (101) through a connecting block (201), fastened with the drill jig (1) and the oil tank (4), and positioned at the position of the oil level hole (402) through a positioning hole (203);
(4) when the oil tank (4) is connected with the fan shell through 8 bolt holes, the connecting line of oil level holes (402) on the two sides of the oil tank (4) is parallel to the surface of a mounting supporting leg of the fan shell, the mounting supporting leg is parallel to the ground, the side vernier holes of the drill jig positioning plate (2) are kept horizontal to the ground, and oil level windows on the two sides display that the oil levels are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210627620.2A CN114871473A (en) | 2022-06-06 | 2022-06-06 | Drilling die and drilling method for oil tank and shell of multistage centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210627620.2A CN114871473A (en) | 2022-06-06 | 2022-06-06 | Drilling die and drilling method for oil tank and shell of multistage centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114871473A true CN114871473A (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210627620.2A Pending CN114871473A (en) | 2022-06-06 | 2022-06-06 | Drilling die and drilling method for oil tank and shell of multistage centrifugal fan |
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| Country | Link |
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| CN (1) | CN114871473A (en) |
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|---|---|---|---|---|
| CN202779916U (en) * | 2012-06-06 | 2013-03-13 | 贵州詹阳动力重工有限公司 | Drill jig for left tumbler frame and right tumbler frame of excavator |
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| CN206335160U (en) * | 2016-12-27 | 2017-07-18 | 荆门创升铸业有限公司 | A kind of valve body machining device |
| CN208214414U (en) * | 2018-05-24 | 2018-12-11 | 重庆市诚润机械有限公司 | A kind of upper punch seat drill jig |
| CN208600775U (en) * | 2018-07-20 | 2019-03-15 | 京山鑫宏达机械制造有限公司 | A kind of positioning device for valve body drilling |
| CN209503025U (en) * | 2019-01-10 | 2019-10-18 | 浙江中控流体技术有限公司 | A kind of valve body bore angle positioning device |
| CN210789365U (en) * | 2019-09-25 | 2020-06-19 | 宏源精工车轮股份有限公司 | Drill jig |
| CN213916299U (en) * | 2020-09-30 | 2021-08-10 | 上海申宝泵业有限公司 | Pump cover jig location frock |
| CN214517689U (en) * | 2020-09-27 | 2021-10-29 | 天津移山工程机械有限公司 | Guide wheel hub drilling tool |
| CN216398097U (en) * | 2021-09-22 | 2022-04-29 | 苏州市燃气设备阀门制造有限公司 | Drilling positioning device for ball valve production |
-
2022
- 2022-06-06 CN CN202210627620.2A patent/CN114871473A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202779916U (en) * | 2012-06-06 | 2013-03-13 | 贵州詹阳动力重工有限公司 | Drill jig for left tumbler frame and right tumbler frame of excavator |
| CN203679354U (en) * | 2014-02-25 | 2014-07-02 | 徐小红 | Valve body drill jig of butterfly valve |
| CN204449423U (en) * | 2015-03-07 | 2015-07-08 | 荆门美中美阀门有限公司 | A kind of ring flange punching tooling |
| CN206104960U (en) * | 2016-09-26 | 2017-04-19 | 平湖市天龙机械制造有限公司 | Pneumatic cylinder bottom plate drilling special fixture |
| CN206335160U (en) * | 2016-12-27 | 2017-07-18 | 荆门创升铸业有限公司 | A kind of valve body machining device |
| CN208214414U (en) * | 2018-05-24 | 2018-12-11 | 重庆市诚润机械有限公司 | A kind of upper punch seat drill jig |
| CN208600775U (en) * | 2018-07-20 | 2019-03-15 | 京山鑫宏达机械制造有限公司 | A kind of positioning device for valve body drilling |
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| CN210789365U (en) * | 2019-09-25 | 2020-06-19 | 宏源精工车轮股份有限公司 | Drill jig |
| CN214517689U (en) * | 2020-09-27 | 2021-10-29 | 天津移山工程机械有限公司 | Guide wheel hub drilling tool |
| CN213916299U (en) * | 2020-09-30 | 2021-08-10 | 上海申宝泵业有限公司 | Pump cover jig location frock |
| CN216398097U (en) * | 2021-09-22 | 2022-04-29 | 苏州市燃气设备阀门制造有限公司 | Drilling positioning device for ball valve production |
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