CN109396822B - Automatic assembling method for air blower assembly - Google Patents
Automatic assembling method for air blower assembly Download PDFInfo
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- CN109396822B CN109396822B CN201710707826.5A CN201710707826A CN109396822B CN 109396822 B CN109396822 B CN 109396822B CN 201710707826 A CN201710707826 A CN 201710707826A CN 109396822 B CN109396822 B CN 109396822B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
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Abstract
The invention discloses an automatic assembling method of an air blower assembly, which comprises the following steps of; firstly, a positioning and fixing tool (21) is placed on a transverse guide rail (2) of a table top, and a motor bracket (0.1), a motor (0.4) and an impeller (0.5) which are manually assembled are placed on the positioning and fixing tool (21), a motor fixing tool (18) and a pressure head tool (14) in advance respectively; a motor support positioning support block (21.15), a motor support pin (21.8), a motor support positioning pin (21.11) and a wiring harness plug support block (21.9) on the positioning and fixing tool (21) are used for simultaneously positioning, supporting and fixing a motor support (0.1); the motor bracket assembly overcomes the defect of low production automation level in the prior art, and has the advantages that the motor bracket assembly can be fixed and accurately positioned by arranging the positioning support tool on the bottom plate.
Description
Technical Field
The invention relates to the technical field of blower assembly, in particular to an automatic assembly method of a blower assembly.
Background
The blower assembly comprises a motor support 0.1, a motor lining 0.2, a shock-absorbing rubber mat 0.3, a motor 0.4 and an impeller 0.5 (as shown in figure 1), wherein the motor lining 0.2 and the shock-absorbing rubber mat 0.3 can be formed together through secondary injection molding.
According to the existing assembly mode of the air blower assembly, a motor lining 0.2 is forcibly opened by using related tools, then the motor 0.4 is installed in the motor lining 0.2, and then the motor 0.2 lining is loosened to clamp the motor.
The existing blower impeller 0.5 is pressed and installed manually, the pressing and installing force and the pressing and installing displacement are uncontrollable, and parts are easily damaged.
The existing blower assembly mode or the simple motor installation mechanism and the simple impeller press-fitting mechanism are respectively used for completing the motor installation and impeller press-fitting work, and the production automation level is low.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provides an automatic assembling method of a blower assembly.
The purpose of the invention is implemented by the following technical scheme: a method for automatically assembling a blower assembly comprises the following steps;
firstly, placing a positioning and fixing tool on a transverse guide rail of a table board, and respectively placing a motor bracket, a motor and an impeller which are assembled manually on the positioning and fixing tool, the motor fixing tool and a pressure head tool in advance;
the motor support positioning support block, the motor support pin, the motor support positioning pin and the wiring harness plug support block on the positioning fixing tool simultaneously position, support and fix the motor support;
the upper end of the motor triggers the ejector pin elastic sheet to ascend, the ejector pin elastic sheet enables the second sensor to sense signals, and meanwhile, the pneumatic finger is triggered to clamp the shaft part of the motor;
the outer side of the shaft hole in the middle of the impeller is fixed with an impeller fixing rod through an O-shaped ring;
when the starting signal is triggered, the positioning fixing tool is driven by a screw rod driven by a servo motor to move downwards to the inner side of the second stand column of the station;
an opening tool fixed at the front end of a second station lower cylinder is driven by the second station lower cylinder to slowly descend along a second station vertical guide rail fixed on a second station vertical column, and jaw support rod support wheels of a first jaw, a second jaw and a third jaw on the opening tool are respectively in contact with a first jaw support rod support block, a second jaw support rod support block and a third jaw support rod support block on a positioning and fixing tool;
the opening tool is driven by the cylinder at the second station to continuously descend, and at the moment, the jaw support rod support wheel is forced by upward force along the jaw support rod to force the first jaw, the second jaw and the third jaw to respectively rotate outwards around the jaw rotating shaft, so that the front ends of the first jaw, the second jaw and the third jaw respectively open the corresponding positions of the motor lining;
a motor fixing tool fixed at the front end of an upper cylinder of the station II is driven by the upper cylinder of the station II to slowly descend along a vertical guide rail of the station II on an upright post of the station II, and when the upper cylinder of the station II descends to the right, a pneumatic finger on the motor fixing tool is triggered to loosen, so that the motor is placed in place;
resetting the upper cylinder of the second station and the lower cylinder of the second station, and clamping the edge of the motor cylinder body at the jaw of the motor lining to finish the installation of the motor;
the positioning and fixing tool is driven by a screw rod driven by a servo motor to move from the position of the inner side of the second station upright post to the inner side of the first station upright post, and a motor installation detection assembly fixed on the first station upright post performs motor installation detection on the motor support assembly after the motor is installed;
after the motor is installed and detected to be qualified, the positioning and fixing tool is driven by the servo motor to move from the position on the inner side of the first station upright post to the position on the inner side of the third station upright post; the wedge block is driven by a wedge block cylinder fixed below the table panel to move forwards between the two wedge block limiting blocks, and the wedge block enables the impeller press-mounting supporting pin positioned in the center of the positioning and fixing tool to be jacked upwards; meanwhile, the upper surface of the motor support is contacted with the bottom of a floating plate on the floating limiting tool, and the lower surface of the floating plate is kept in close contact with the upper surface of the motor support under the action of a spring; the lower end part of a motor shaft is clamped by two finger cylinders fixed at the bottom of a floating limit tool fixed plate, so that the motor shaft is ensured to be coaxial with a central shaft hole of an impeller;
seventhly, a pressure head tool fixed at the front end of the three electric cylinders at the station moves downwards along the three vertical guide rails at the station under the driving of the three electric cylinders at the station fixed on the three upright posts at the station; when the central hole of the impeller is pressed into the motor shaft, and the upper surface of the motor support is not in contact with the two-finger air cylinder clamping blocks, the two-finger air cylinders are released, and the two-finger air cylinder clamping blocks reset; when three electronic jars of station were in the slow motion, real time monitoring fixes displacement sensor feedback numerical value on the displacement sensor support on the pressure head frock and the pressure sensor feedback numerical value on the pressure sensor fixed block, and reflect visual equipment in real time, when satisfying the pressure equipment height, the pressure equipment is accomplished, judge whether the maximum value of slow pressure equipment in-process push-in force is in setting for the scope simultaneously, if in the within range, pressure head frock and wedge cylinder all reset, the product of assembling is moved to the initial position by station three under the lead screw drive that servo motor drove on the fixed frock in location, operating personnel takes out the product.
In the above technical scheme: in the step (I); the motor bracket is manually pressed on the positioning fixing tool.
In the above technical scheme: in the second step; and after the cylinder of the second station descends to the right position, the opening tool is always kept in an opening state, and the descending of the cylinder of the second station is ensured by the sensor fixed by the cylinder body of the second station.
In the above technical scheme: in the third step; and the descending position of the cylinder on the second station is ensured by a sensor fixed on the cylinder body on the second station.
In the above technical scheme: in the step (sixthly); the impeller press-mounting support pin penetrates through a small hole at the bottom of the motor support to be in contact with the bottom of a motor shaft installed in the motor support, so that the motor shaft drives the motor and the motor support assembly to jack upwards.
The invention has the following advantages: 1. through set up the location on the bottom plate and support the frock, can realize motor bracket component's fixed and accurate positioning. 2. Through supporting the frock top in the location and setting up the jack catch fixed plate, set up the jack catch in jack catch fixed plate ring one end, the jack catch fixed plate other end outwards stretches out and is fixed with the cylinder, drives the motion of jack catch fixed plate through the cylinder, and it is rotatory to further drive the jack catch, and the jack catch opens the motor inside lining, convenient operation, and the motor installation is quick accurate. 3. The pressing head tool and the floating limiting tool are arranged at the third station, so that the pressing distance and the pressing force in the impeller pressing process are monitored, and the consistency of the pressing distance is ensured.
Drawings
Fig. 1 is a schematic view of the structure of the components to be assembled.
Fig. 2 is a schematic structural diagram 1 of the present invention.
Fig. 3 is a schematic structural diagram 2 of the present invention.
Fig. 4 is a schematic structural view of the positioning and fixing tool of the present invention.
Fig. 5 is a schematic structural view of the opening tool in the invention.
Fig. 6 is a schematic structural view of a motor fixing tool in the invention.
Fig. 7 is a schematic structural view of the indenter tool of the present invention.
Fig. 8 is a schematic structural view of the floating limiting tool in the invention.
FIG. 9 is a flow chart of the assembly of the present invention.
In the figure: the device comprises a table top plate 1, a table top transverse guide rail 2, a servo motor 3, a screw rod 4, a station one upright post 6, a motor installation detection assembly 7, a station two vertical guide rail 8, a station two upright post 9, a station two upper air cylinder 10, a station three upright post 11, a station three electric cylinder 12, a station three vertical guide rail 13, a pressure head tool 14, a pressure sensor fixing block 14.3, a displacement sensor bracket 14.9, a displacement sensor 14.10, an impeller fixing rod 14.11, an O-shaped ring 14.13, a floating limiting tool 15, a fixed plate 15.1, a first spring 15.2, a floating plate 15.5, a two-finger air cylinder clamping block 15.6, a two-finger air cylinder 15.7, a wedge block 16, a wedge block limiting block 17, a motor fixing tool 18, a second sensor 18.13, a top pin elastic sheet 18.14, a pneumatic finger clamping claw 18.16, an opening clamping claw 19, a second clamping claw 19.5, a clamping claw support rod 19.6, a support wheel 19.7, a rotating shaft 19.8, a first clamping claw 19.9, a third clamping claw, The device comprises a second lower cylinder 20 at a station, a positioning and fixing tool 21, a third jaw support rod support block 21.4, a motor support pin 21.8, a wire harness plug support block 21.9, a second jaw support rod support block 21.10, a motor support positioning pin 21.11, an impeller press-fitting support pin 21.14, a motor support positioning support block 21.15, a first jaw support rod support block 21.16, a wedge block cylinder 23, a motor support 0.1, a motor lining 0.2, a damping rubber gasket 0.3, a motor 0.4 and an impeller 0.5.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the invention is not limited thereto, and is given by way of example only; while the advantages of the invention will be apparent and readily appreciated by the description.
Referring to FIGS. 1-9: a method for automatically assembling a blower assembly comprises the following steps;
firstly, a positioning and fixing tool 21 is placed on a table-board transverse guide rail 2, and a motor bracket 0.1, a motor 0.4 and an impeller 0.5 which are manually assembled are placed on the positioning and fixing tool 21, a motor fixing tool 18 and a pressure head tool 14 respectively in advance;
a motor bracket positioning support block 21.15, a motor bracket support pin 21.8, a motor bracket positioning pin 21.11 and a wiring harness plug support block 21.9 on the positioning and fixing tool 21 simultaneously position, support and fix the motor bracket 0.1;
the upper end of the motor 0.4 triggers the ejector pin elastic sheet 18.14 to ascend, the ejector pin elastic sheet 18.14 enables the second sensor 18.13 to sense signals, and simultaneously triggers the pneumatic finger 18.16 to clamp the shaft part of the motor 0.4;
the outer side of the shaft hole in the middle of the impeller 0.5 is fixed with an impeller fixing rod 14.11 through an O-shaped ring 14.13;
secondly, when a starting signal is triggered, the positioning and fixing tool 21 is driven by a screw rod 4 driven by a servo motor 3 to move to the inner side of the second station upright post 9;
an opening tool 19 fixed at the front end of a second station lower cylinder 20 is driven by the second station lower cylinder 20 to slowly descend along a second station vertical guide rail 8 fixed on a second station upright post 9, and jaw support rod supporting wheels 19.7 of a first jaw 19.9, a second jaw 19.5 and a third jaw 19.10 on the opening tool 19 are respectively contacted with a first jaw support rod supporting block 21.16, a second jaw support rod supporting block 21.10 and a third jaw support rod supporting block 21.4 on a positioning and fixing tool 21;
the opening tool 19 is driven by a lower cylinder 20 at the second station to continuously descend, and at the moment, a jaw support rod support wheel 19.7 is forced to rotate outwards around a jaw rotating shaft 19.8 by upward force along a jaw support rod 19.6, so that the front ends of the first jaw 19.9, the second jaw 19.5 and the third jaw 19.10 respectively open the corresponding position of the motor lining 0.2;
thirdly, a motor fixing tool 18 fixed at the front end of the second upper cylinder 10 is driven by the second upper cylinder 10 to slowly descend along the second vertical guide rail 8 on the second upright post 9, and when the second upper cylinder 10 descends to the proper position, a pneumatic finger 18.16 on the motor fixing tool 18 is triggered to loosen, and a motor 0.4 is placed in the proper position;
resetting the upper cylinder 10 at the second station and resetting the lower cylinder 20 at the second station, and clamping the edge of the motor cylinder body at the jaw of the motor lining to finish the installation of the motor 0.4;
the positioning and fixing tool 21 is driven by a screw rod 4 driven by a servo motor 3 to move from the position of the inner side of a station two upright post 9 to the inner side of a station one upright post 6, and a motor installation detection assembly 7 fixed on the station one upright post 6 carries out motor installation detection on a motor support assembly with a motor 0.4 installed;
sixthly, after the motor 0.4 is installed and detected to be qualified, the positioning and fixing tool 21 moves from the position on the inner side of the station one upright post 6 to the position on the inner side of the station three upright post 11 under the driving of the screw rod 4 driven by the servo motor 3; the wedge block 16 is driven by a wedge block cylinder 23 fixed below the table panel 1 to move forwards between the two wedge block limiting blocks 17, and the wedge block 16 enables an impeller press-mounting supporting pin 21.14 positioned at the center of the positioning fixing tool 21 to jack upwards; meanwhile, the upper surface of the motor support 0.1 is in contact with the bottom of a floating plate 15.5 on a floating limiting tool 15, and under the action of a spring 15.2, the lower surface of the floating plate 15.5 is in close contact with the upper surface of the motor support 0.1; a two-finger cylinder 15.7 fixed at the bottom of a fixed plate 15.1 of a floating limit tool 15 clamps the lower end part of a motor 0.4 shaft to ensure that the motor 0.4 shaft is coaxial with a central shaft hole of an impeller 0.5;
a pressure head tool 14 fixed at the front end of the station three electric cylinder 12 moves downwards along the station three vertical guide rail 13 under the driving of the station three electric cylinder 12 fixed on the station three upright post 11; when the impeller 0.5 central hole is pressed into the motor 0.4 shaft and the upper surface of the motor bracket 0.1 is not contacted with the two-finger cylinder clamping block 15.6, the two-finger cylinder 15.7 is loosened,
the two-finger cylinder clamping block 15.6 is reset; when the three electric cylinders 12 on the station move at a low speed, the feedback numerical value of the displacement sensor on the displacement sensor support 14.9 fixed on the pressure head tool 14 and the feedback numerical value of the pressure sensor 14.10 on the pressure sensor fixing block 14.3 are monitored in real time, the feedback numerical values are reflected on visual equipment in real time, when the press mounting height is met, press mounting is completed, whether the maximum value of the press-in force in the slow press mounting process is within a set range is judged, if the maximum value is within the range, the pressure head tool 14 and the wedge block air cylinder 23 are reset, the assembled product is driven by the screw rod 4 driven by the servo motor 3 on the positioning fixing tool 21 to move to the initial position by three times, the operator takes out the product, and the operator takes out the product.
In the step (I); the motor bracket 0.1 is manually pressed on the positioning and fixing tool 21.
In the second step; after the second station lower air cylinder 20 descends to the right position, the opening tool 19 is always kept in an opening state, and the second station lower air cylinder 20 descends to the right position and is ensured by a sensor fixed by the second station lower air cylinder 20.
In the third step; the descending position of the cylinder 10 on the second station is ensured by a sensor fixed on the body of the cylinder 10 on the second station.
In the step (sixthly); the impeller press-fitting support pin 21.14 penetrates through a small hole at the bottom of the motor support 0.1 to be in contact with the bottom of a motor shaft installed in the motor support 0.1, so that the motor shaft drives the motor 0.4 and the motor support 0.1 assembly to be jacked upwards.
The above-mentioned parts not described in detail are prior art.
Claims (5)
1. A method for automatically assembling a blower assembly is characterized in that: it comprises the following steps;
firstly, a positioning and fixing tool (21) is placed on a transverse guide rail (2) of a table top, and a motor bracket (0.1), a motor (0.4) and an impeller (0.5) which are manually assembled are placed on the positioning and fixing tool (21), a motor fixing tool (18) and a pressure head tool (14) in advance respectively;
a motor support positioning support block (21.15), a motor support pin (21.8), a motor support positioning pin (21.11) and a wiring harness plug support block (21.9) on the positioning and fixing tool (21) are used for simultaneously positioning, supporting and fixing a motor support (0.1); the upper end of the motor (0.4) triggers the ejector pin spring plate (18.14) to ascend, the ejector pin spring plate (18.14) enables the second sensor (18.13) to sense signals, and meanwhile, the pneumatic finger (18.16) is triggered to clamp the shaft part of the motor (0.4);
the outer side of the shaft hole in the middle of the impeller (0.5) is fixed with an impeller fixing rod (14.11) through an O-shaped ring (14.13);
when a starting signal is triggered, the positioning fixing tool (21) is driven by a screw rod (4) driven by a servo motor (3) to move downwards to the inner side of a second station upright post (9);
an opening tool (19) fixed at the front end of a second station lower cylinder (20) is driven by the second station lower cylinder (20) to slowly descend along a second station vertical guide rail (8) fixed on a second station upright post (9), and jaw support rod support wheels (19.7) of a first jaw (19.9), a second jaw (19.5) and a third jaw (19.10) on the opening tool (19) are respectively contacted with a first jaw support rod support block (21.16), a second jaw support rod support block (21.10) and a third jaw support rod support block (21.4) on a positioning and fixing tool (21);
the opening tool (19) is driven by a lower cylinder (20) at the second station to continuously descend, and at the moment, a jaw support rod support wheel (19.7) is forced to rotate outwards around a jaw rotating shaft (19.8) by upward force along a jaw support rod (19.6), so that the front ends of the first jaw (19.9), the second jaw (19.5) and the third jaw (19.10) respectively open the corresponding positions of the motor lining (0.2);
thirdly, a motor fixing tool (18) fixed at the front end of the second upper station cylinder (10) is driven by the second upper station cylinder (10) to slowly descend along a second vertical station guide rail (8) on a second upright station (9), and when the second upper station cylinder (10) descends to the right, a pneumatic finger (18.16) on the motor fixing tool (18) is triggered to loosen, and a motor (0.4) is placed to the right;
resetting the upper cylinder (10) of the second station and the lower cylinder (20) of the second station, and clamping the edge of the motor cylinder body at the jaw of the motor lining to finish the installation of the motor (0.4);
the positioning and fixing tool (21) is driven by a screw rod (4) driven by a servo motor (3) to move from the position of the inner side of a station two upright post (9) to the inner side of a station one upright post (6), and a motor installation detection assembly (7) fixed on the station one upright post (6) performs motor installation detection on a motor support assembly which is completely installed by a motor (0.4);
sixthly, after the motor (0.4) is installed and detected to be qualified, the positioning fixing tool (21) is driven by the screw rod (4) driven by the servo motor (3) to move from the position on the inner side of the station one upright post (6) to the position on the inner side of the station three upright post (11); the wedge block (16) is driven by a wedge block cylinder (23) fixed below the table panel (1) to move forwards between the two wedge block limiting blocks (17), and the wedge block (16) enables an impeller press-mounting supporting pin (21.14) positioned at the center of the positioning fixing tool (21) to jack upwards; meanwhile, the upper surface of the motor support (0.1) is in contact with the bottom of a floating plate (15.5) on a floating limiting tool (15), and the lower surface of the floating plate (15.5) is kept in close contact with the upper surface of the motor support (0.1) under the action of a spring (15.2) of the floating plate (15.5); a double-finger cylinder (15.7) fixed at the bottom of a fixed plate (15.1) of a floating limit tool (15) clamps the lower end part of a motor (0.4) shaft to ensure that the motor (0.4) shaft is coaxial with a central shaft hole of an impeller (0.5);
a pressure head tool (14) fixed at the front end of the station three electric cylinder (12) moves downwards along the station three vertical guide rail (13) under the driving of the station three electric cylinder (12) fixed on the station three upright post (11); when the impeller (0.5) central hole is pressed onto the motor (0.4) shaft, and the upper surface of the motor support (0.1) is not yet contacted with the two-finger cylinder clamping block (15.6), the two-finger cylinder (15.7) is loosened, and the two-finger cylinder clamping block (15.6) is reset; when the three electric cylinders (12) of the station move at a low speed, the feedback value of a displacement sensor on a displacement sensor bracket (14.9) fixed on a pressure head tool (14) and the feedback value of a pressure sensor (14.10) on a pressure sensor fixing block (14.3) are monitored in real time, and are reflected on visual equipment in real time, when the pressure mounting height is met, the pressure mounting is completed, whether the maximum value of the pressing force is in a set range in the process of the low-speed pressure mounting is judged, if the maximum value is in the range, the pressure head tool (14) and a wedge block cylinder (23) are reset, an assembled product is driven by a screw rod (4) driven by a servo motor (3) on a positioning fixing tool (21) and is moved to an initial position by three times, and an operator takes out the product.
2. The method of claim 1, wherein the method further comprises the steps of: in the step (I); the motor support (0.1) is manually pressed on the positioning fixing tool (21).
3. A method of automatically assembling a blower assembly according to claim 1 or 2, wherein: in the second step; after the second lower cylinder (20) of the station descends to the right position, the opening tool (19) is always kept in an opening state, and the second lower cylinder (20) of the station descends to the right position and is guaranteed by a sensor fixed by the second lower cylinder (20) of the station.
4. A method of automatically assembling a blower assembly as set forth in claim 3, wherein: in the third step; and the descending position of the cylinder (10) on the second station is ensured by a sensor fixed on the body of the cylinder (10) on the second station.
5. The method of automatically assembling a blower assembly of claim 4, wherein: in the step (sixthly); the impeller press-fitting support pin (21.14) penetrates through a small hole at the bottom of the motor support (0.1) to be in contact with the bottom of a motor shaft installed in the motor support (0.1), so that the motor shaft drives the motor (0.4) and the motor support (0.1) assembly to be jacked upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707826.5A CN109396822B (en) | 2017-08-17 | 2017-08-17 | Automatic assembling method for air blower assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707826.5A CN109396822B (en) | 2017-08-17 | 2017-08-17 | Automatic assembling method for air blower assembly |
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| CN109396822A CN109396822A (en) | 2019-03-01 |
| CN109396822B true CN109396822B (en) | 2021-03-19 |
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| CN201710707826.5A Active CN109396822B (en) | 2017-08-17 | 2017-08-17 | Automatic assembling method for air blower assembly |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110977840B (en) * | 2019-12-18 | 2021-10-15 | 东风马勒热系统有限公司 | Semi-automatic pressure equipment frock of vehicle air conditioner bilobed wheel air-blower assembly impeller |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2996788A (en) * | 1957-04-12 | 1961-08-22 | Brundage Company | Apparatus for assembling a centrifugal blower wheel |
| US6662436B1 (en) * | 2002-02-12 | 2003-12-16 | Beckett Air Incorporated | System for assembling a blower wheel |
| US8479379B2 (en) * | 2008-11-03 | 2013-07-09 | Carefusion 202, Inc. | Roots-type blower rotor alignment apparatus |
| CN103452890A (en) * | 2013-08-30 | 2013-12-18 | 黑龙江宏宇电站设备有限公司 | Multistage centrifugal blower and installation method thereof |
| CN204470933U (en) * | 2015-01-29 | 2015-07-15 | 长沙湘风鼓风机制造有限公司 | The pressing element that a kind of Roots air blower central shaft and impeller combine |
| CN205057441U (en) * | 2015-09-11 | 2016-03-02 | 东莞天龙阿克达电子有限公司 | Push in device of blower drum location axle sleeve |
| CN205823746U (en) * | 2016-07-26 | 2016-12-21 | 苏州睿动电气科技有限公司 | The blower wheel assembling device of air conditioning for automobiles |
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Address after: 430056 Maple Five Road, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Applicant after: Dongfeng Malerje Systems Co., Ltd. Address before: 430056 Maple Five Road, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Applicant before: Dongfeng Behr Thermal Systems Co., Ltd. |
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