CN109396896A - It is a kind of environmental protection debris removal impeller blade processing use stationary fixture - Google Patents
It is a kind of environmental protection debris removal impeller blade processing use stationary fixture Download PDFInfo
- Publication number
- CN109396896A CN109396896A CN201811599355.1A CN201811599355A CN109396896A CN 109396896 A CN109396896 A CN 109396896A CN 201811599355 A CN201811599355 A CN 201811599355A CN 109396896 A CN109396896 A CN 109396896A
- Authority
- CN
- China
- Prior art keywords
- stationary fixture
- impeller
- impeller blade
- debris removal
- disk
- 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
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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/063—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding turbine blades
-
- 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
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
本发明公开了一种环保除屑的叶轮片加工用固定夹具，包括固定夹具盘，所述固定夹具盘的中心位置处焊接有转动连接轴，且转动连接轴上转动套接有叶轮，所述叶轮的顶部外侧等角度焊接有叶轮片，所述转动连接轴上可拆卸式转动套接有固定螺母，所述固定夹具盘的一侧焊接有固定侧架。该环保除屑的叶轮片加工用固定夹具通过在固定夹具盘上设有环形管，且环形管内侧等角度连接有多个吸尘口，在对叶轮片加工产生碎屑时，可以通过引风机对环形管进行吸气，然后通过环形管上的吸尘口将碎屑进行吸取收集，然后在引风机的作用下送入到集尘箱中进行收集，从而实现自动对碎屑进行收集，便于对碎屑进行清理，使得该夹具使用时更加的环保。
The invention discloses an environment-friendly chip-removing fixing fixture for processing an impeller blade, comprising a fixing fixture disk, a rotating connecting shaft is welded at the center position of the fixing fixture disk, and an impeller is rotatably sleeved on the rotating connecting shaft. The top outer side of the impeller is equiangularly welded with an impeller blade, a fixed nut is detachably rotatably sleeved on the rotating connecting shaft, and a fixed side frame is welded on one side of the fixed fixture plate. The environmental protection chip-removing impeller blade processing fixing jig is provided with an annular tube on the fixing jig plate, and the inner side of the annular tube is connected with a plurality of dust suction ports at equal angles. The annular pipe is inhaled, and then the debris is sucked and collected through the dust suction port on the annular pipe, and then sent to the dust box for collection under the action of the induced draft fan, so as to realize the automatic collection of debris, which is convenient for Cleaning of debris makes the fixture more environmentally friendly when used.
Description
Technical field
The present invention relates to impeller blade fixture for processing technical field, specially a kind of impeller blade processing of environmentally friendly debris removal is with admittedly
Clamp tool.
Background technique
Impeller had both referred to the wheel disc equipped with movable vane, was the component part of impulse turbine rotor, and can be with finger wheel disk and peace
The general name of the moving blade of dress thereon.Impeller according to shape and can open closure situation and classify, and centrifugal pump impeller is main
There are following 4 kinds of forms, enclosed, preceding semi-open type, rear semi-open type, open type, the efficiency of double shrouded wheel is higher, and manufacture difficulty is larger,
Using at most in centrifugal pump, generally there are two types of structures for half-opened impeller: one is preceding semi-open type, is made of back shroud and blade,
This structure impeller adiabatic efficiency is lower, to improve efficiency the sealing ring for needing adapted adjustable clearance；Another kind is rear semi-open type, by front shroud
It is formed with blade, unshrouded impeller, only blade and blade reinforcing rib, the impeller of no front and rear cover plate.
Traditional impeller blade fixture for processing structure is relatively simple, not convenient enough when fixed to impeller blade, and lacks pair
The strutting means of impeller blade, when processing, easily lead to impeller blade and deform, while the clast that while lacking to processing generates is received
The measure of collection, when use, are not environmentally friendly enough.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of impeller blade processing stationary fixtures of environmentally friendly debris removal.
In order to achieve the above object, the present invention is achieved by the following technical programs: it is a kind of environmental protection debris removal impeller blade add
Work stationary fixture, including stationary fixture disk, the center position of the stationary fixture disk is welded with rotation connection axis, and rotates
Rotation is socketed with impeller in connecting shaft, and the top outer of the impeller is angularly welded with impeller blade, on the rotation connection axis
Detachable rotation is socketed with fixture nut, and the side of the stationary fixture disk is welded with fixed side frame, and spiral shell on fixed side frame
Rotation is fixed with automatically controlled telescopic rod, and automatically controlled telescopic rod is connected with fixed limited block by connecting rod, wherein fixed limited block is embedded in
Between two neighboring impeller blade on impeller, the stationary fixture disk top outer is equipped with ring pipe, and the inside etc. of ring pipe
Angle is connected with suction inlet.
Preferably, it is recessed to offer the arc being mutually matched with impeller center axis hole outside for the top of the fixed limited block
Slot.
Preferably, the tail end two sides of the fixed limited block are respectively welded the first supporting spring and the second supporting spring, wherein first
The impeller blade of supporting spring and the second supporting spring respectively with fixed limited block two sides is bonded to each other.
Preferably, the ring pipe is annular structure, and the diameter of ring pipe is equal with the diameter of stationary fixture disk.
Preferably, the outside of the ring pipe is connected to by connecting tube with air-introduced machine, and the air outlet and dust of air-introduced machine
The inside of case is connected to.
Preferably, the stationary fixture disk is disc-shaped structure, and the diameter of stationary fixture disk is greater than the diameter of impeller.
Preferably, circular hole is provided on the contact surface of the fixed side frame and stationary fixture disk, and the diameter of circular hole is greater than electricity
Control the diameter of telescopic rod.
Preferably, the middle part of the automatically controlled telescopic rod through fixed side frame is outside, and the extreme length of automatically controlled telescopic rod
Less than the length of fixed side frame.
The present invention provides a kind of impeller blade processing stationary fixtures of environmentally friendly debris removal.Have following the utility model has the advantages that the ring
The impeller blade processing stationary fixture for protecting debris removal angularly connects by being equipped with ring pipe on stationary fixture disk, and on the inside of ring pipe
Multiple suction inlets are connected to, when processing generation clast to impeller blade, air-breathing can be carried out to ring pipe by air-introduced machine, then led to
Clast is carried out absorption collection by the suction inlet crossed on ring pipe, is then sent in disposal box and is received under the action of air-introduced machine
Collection is automatically collected clast to realize, convenient for clearing up clast, so that the fixture is more environmentally friendly when using.
The impeller blade processing of the environmental protection debris removal is with stationary fixture by being welded with the first supporting spring and the second support in the tail end of fixed limited block
Piece can even be supported the impeller of fixed limited block two sides by the first supporting spring and the second supporting spring, then again to impeller blade
It is processed, pressure is excessive when effectively preventing from processing causes impeller blade to deform, to protect to impeller blade, improves
The quality of impeller blade processing.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is fixation standoff features schematic diagram of the invention；
Fig. 3 is annular tube structure schematic diagram of the invention.
In figure: 1, stationary fixture disk；2, impeller blade；3, impeller；4, it is rotatablely connected axis；5, fixture nut；6, fixed limit
Block；61, arc groove；62, the first supporting spring；63, the second supporting spring；7, connecting rod；8, automatically controlled telescopic rod；9, fixed side frame；10, ring
Shape pipe；11, suction inlet；12, connecting tube；13, air-introduced machine；14, disposal box.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-3, the present invention provides a kind of technical solution: it is a kind of environmental protection debris removal impeller blade processing use fixing clamp
Tool, including stationary fixture disk 1, the center position of stationary fixture disk 1 are welded with rotation connection axis 4, and are rotatablely connected on axis 4 and turn
Dynamic to be socketed with impeller 3, the top outer of impeller 3 is angularly welded with impeller blade 2, is rotatablely connected detachable rotation set on axis 4
It is connected to fixture nut 5, the side of stationary fixture disk 1 is welded with fixed side frame 9, and spiral is fixed with automatically controlled stretch on fixed side frame 9
Contracting bar 8, automatically controlled telescopic rod 8 are connected with fixed limited block 6 by connecting rod 7, wherein fixed limited block 6 is embedded on impeller 3
Between two neighboring impeller blade 2,1 top outer of stationary fixture disk is equipped with ring pipe 10, and the inside of ring pipe 10 angularly connects
It is connected to suction inlet 11.
The top of fixed limited block 6 offers the arc groove 61 being mutually matched with 3 central shaft hole of impeller outside, fixed limit
The tail end two sides of position block 6 are respectively welded the first supporting spring 62 and the second supporting spring 63, wherein the first supporting spring 62 and the second supporting spring 63 divide
Impeller blade 2 not with fixed 6 two sides of limited block is bonded to each other, and ring pipe 10 is annular structure, and the diameter of ring pipe 10 with
The diameter of stationary fixture disk 1 is equal, and the outside of ring pipe 10 is connected to by connecting tube 12 with air-introduced machine 13, and air-introduced machine 13 out
Air port is connected to the inside of disposal box 14, and stationary fixture disk 1 is disc-shaped structure, and the diameter of stationary fixture disk 1 is greater than impeller 3
Diameter, be provided with circular hole on fixed side frame 9 and the contact surface of stationary fixture disk 1, and the diameter of circular hole is greater than automatically controlled telescopic rod 8
The middle part of diameter, automatically controlled telescopic rod 8 through fixed side frame 9 is outside, and the extreme length of automatically controlled telescopic rod 8 is less than fixed side frame
9 length.
When work, impeller 3 is mounted on stationary fixture disk 1 by being rotatablely connected axis 4 first, then passes through fixture nut
5 pairs of impellers 3 limit, then act on by automatically controlled 8 mating connection bar 7 of telescopic rod and fix limited block 6, so that fixed limited block
6 are embedded between two impeller blades 2 adjacent on impeller 3, so that impeller 3 is fixed, at the same time, automatically controlled telescopic rod 8
Fixed side frame 9 is extended into, to be positioned to whole, prevents from deflecting, be processed to the impeller blade 2 on impeller 3
When, two impeller blades 2 that the first supporting spring 62 and the second supporting spring 63 of fixed 6 tail end of limited block can be adjacent to fixed limited block 6
It is supported, prevents from causing impeller blade 2 to deform in processing, while the clast that generates when processing impeller blade 2, it can be with
Air-breathing is carried out to ring pipe 10 by air-introduced machine 13, clast is then drawn by the suction inlet 11 of 10 inside of ring pipe, absorption
Clast is input in disposal box 14 eventually by air-introduced machine 13 and is collected, and realizes that the clast generated automatically to processing is received
Collection, so that the stationary fixture is more environmentally-friendly when processing.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. impeller blade the processing stationary fixture, including stationary fixture disk (1) of a kind of environmental protection debris removal, it is characterised in that: described solid
The center position for determining clamping apparatus disk (1) is welded with rotation connection axis (4), and is rotatablely connected rotation on axis (4) and is socketed with impeller
(3), the top outer of the impeller (3) is angularly welded with impeller blade (2), detachable rotating on the rotation connection axis (4)
Dynamic to be socketed with fixture nut (5), the side of the stationary fixture disk (1) is welded with fixed side frame (9), and on fixed side frame (9)
Spiral is fixed with automatically controlled telescopic rod (8), and automatically controlled telescopic rod (8) is connected with fixed limited block (6) by connecting rod (7), wherein solid
Fixing limit block (6) is embedded between the two neighboring impeller blade (2) on impeller (3), and stationary fixture disk (1) top outer is set
Have ring pipe (10), and the inside of ring pipe (10) is angularly connected with suction inlet (11).
2. a kind of impeller blade processing stationary fixture of environmentally friendly debris removal according to claim 1, it is characterised in that: described solid
The top of fixing limit block (6) offers the arc groove (61) being mutually matched with impeller (3) central shaft hole outside.
3. a kind of impeller blade processing stationary fixture of environmentally friendly debris removal according to claim 1, it is characterised in that: described solid
The tail end two sides of fixing limit block (6) are respectively welded the first supporting spring (62) and the second supporting spring (63), wherein the first supporting spring (62) and
Impeller blade (2) of second supporting spring (63) respectively with fixed limited block (6) two sides is bonded to each other.
4. a kind of impeller blade processing stationary fixture of environmentally friendly debris removal according to claim 1, it is characterised in that: the ring
Shape pipe (10) is annular structure, and the diameter of ring pipe (10) is equal with the diameter of stationary fixture disk (1).
5. a kind of impeller blade processing stationary fixture of environmentally friendly debris removal according to claim 1, it is characterised in that: the ring
The outside of shape pipe (10) is connected to by connecting tube (12) with air-introduced machine (13), and the air outlet of air-introduced machine (13) and disposal box (14)
Inside connection.
6. a kind of impeller blade processing stationary fixture of environmentally friendly debris removal according to claim 1, it is characterised in that: described solid
Determining clamping apparatus disk (1) is disc-shaped structure, and the diameter of stationary fixture disk (1) is greater than the diameter of impeller (3).
7. a kind of impeller blade processing stationary fixture of environmentally friendly debris removal according to claim 1, it is characterised in that: described solid
Determine to be provided with circular hole on the contact surface of side frame (9) and stationary fixture disk (1), and the diameter of circular hole is greater than the straight of automatically controlled telescopic rod (8)
Diameter.
8. a kind of impeller blade processing stationary fixture of environmentally friendly debris removal according to claim 1, it is characterised in that: the electricity
The middle part for controlling telescopic rod (8) through fixed side frame (9) is outside, and the extreme length of automatically controlled telescopic rod (8) is less than fixed side frame
(9) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599355.1A CN109396896A (en) | 2018-12-26 | 2018-12-26 | It is a kind of environmental protection debris removal impeller blade processing use stationary fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599355.1A CN109396896A (en) | 2018-12-26 | 2018-12-26 | It is a kind of environmental protection debris removal impeller blade processing use stationary fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109396896A true CN109396896A (en) | 2019-03-01 |
Family
ID=65462040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811599355.1A Pending CN109396896A (en) | 2018-12-26 | 2018-12-26 | It is a kind of environmental protection debris removal impeller blade processing use stationary fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109396896A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117300223A (en) * | 2023-11-29 | 2023-12-29 | 常州华登液压设备有限公司 | Variable vane pump machining equipment and machining process |
| CN118417920A (en) * | 2024-07-05 | 2024-08-02 | 临沂大学 | Multifunctional robot for intelligent manufacturing of precision parts |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4934037A (en) * | 1989-10-18 | 1990-06-19 | Schuerg Carl D | Impeller holding apparatus |
| CN1829580A (en) * | 2003-07-28 | 2006-09-06 | 霍尼韦尔国际公司 | Fixture and locator device for supporting a rotatable member |
| CN101977725A (en) * | 2008-03-31 | 2011-02-16 | 斯奈克玛公司 | Improved method for producing a one-piece bladed disc, with temporary blade-supporting ring |
| CN202726535U (en) * | 2012-07-09 | 2013-02-13 | 苏州宝联重工股份有限公司 | Tool fixture for propeller of stirrer |
| CN205200567U (en) * | 2015-09-11 | 2016-05-04 | 南京赛达机械制造有限公司 | Impeller blade turning supporting seat |
| CN106238705A (en) * | 2016-08-11 | 2016-12-21 | 山东豪迈机械科技股份有限公司 | Large thin-wall impeller manufacture method |
| CN206998437U (en) * | 2017-05-26 | 2018-02-13 | 深圳市腾达丰实业有限公司 | A kind of drilling machine of anti-scrap iron from splashing |
| CN207171036U (en) * | 2017-07-29 | 2018-04-03 | 南京天普机电产品制造有限公司 | A kind of semi-automatic miller |
| CN108481053A (en) * | 2018-04-11 | 2018-09-04 | 成都煜恒科技有限公司 | A kind of frock clamp of Impeller Machining production |
| CN108890376A (en) * | 2018-07-25 | 2018-11-27 | 赖丰光 | A kind of machining aluminium sheet drilling equipment with scrap collecting function |
-
2018
- 2018-12-26 CN CN201811599355.1A patent/CN109396896A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4934037A (en) * | 1989-10-18 | 1990-06-19 | Schuerg Carl D | Impeller holding apparatus |
| CN1829580A (en) * | 2003-07-28 | 2006-09-06 | 霍尼韦尔国际公司 | Fixture and locator device for supporting a rotatable member |
| CN101977725A (en) * | 2008-03-31 | 2011-02-16 | 斯奈克玛公司 | Improved method for producing a one-piece bladed disc, with temporary blade-supporting ring |
| CN202726535U (en) * | 2012-07-09 | 2013-02-13 | 苏州宝联重工股份有限公司 | Tool fixture for propeller of stirrer |
| CN205200567U (en) * | 2015-09-11 | 2016-05-04 | 南京赛达机械制造有限公司 | Impeller blade turning supporting seat |
| CN106238705A (en) * | 2016-08-11 | 2016-12-21 | 山东豪迈机械科技股份有限公司 | Large thin-wall impeller manufacture method |
| CN206998437U (en) * | 2017-05-26 | 2018-02-13 | 深圳市腾达丰实业有限公司 | A kind of drilling machine of anti-scrap iron from splashing |
| CN207171036U (en) * | 2017-07-29 | 2018-04-03 | 南京天普机电产品制造有限公司 | A kind of semi-automatic miller |
| CN108481053A (en) * | 2018-04-11 | 2018-09-04 | 成都煜恒科技有限公司 | A kind of frock clamp of Impeller Machining production |
| CN108890376A (en) * | 2018-07-25 | 2018-11-27 | 赖丰光 | A kind of machining aluminium sheet drilling equipment with scrap collecting function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117300223A (en) * | 2023-11-29 | 2023-12-29 | 常州华登液压设备有限公司 | Variable vane pump machining equipment and machining process |
| CN117300223B (en) * | 2023-11-29 | 2024-03-22 | 常州华登液压设备有限公司 | Variable vane pump machining equipment and machining process |
| CN118417920A (en) * | 2024-07-05 | 2024-08-02 | 临沂大学 | Multifunctional robot for intelligent manufacturing of precision parts |
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