Air compressor stator and rotor assembling device for hydrogen fuel cell

Abstract

The utility model relates to an air compressor stator and rotor assembling device for a hydrogen fuel cell, which comprises a positioning mechanism, a bottom plate, a speed chain, a tray, a support, a pressing mechanism, a tray jacking mechanism, a proximity switch, a shell and a rotor, the speed chain is fixed at the upper end of the bottom plate through a plurality of supports, and the tray is conveyed between stations by the speed chain; the tray jacking mechanism is fixed to the lower end of the bottom plate, the proximity switch is fixed to the speed multiplication chain, and after the proximity switch senses that the tray is in place, the tray jacking mechanism jacks and positions the tray. The stator and rotor assembling device of the air compressor for the hydrogen fuel cell has double positioning functions of the shell and the rotor, is more accurate in positioning, adopts a servo motor and a module for mounting and pressing, and is higher in synchronization precision during descending and pressing. Ejector pin type pressing is adopted, high-precision coaxiality is achieved, a positioning mechanism is convenient to disassemble, model changing is easy, operation is easy, and efficiency is high; and the shell is positioned in a floating manner and is compatible with slight deformation of products.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen fuel cell field especially to shell and rotor positioning field, concretely refers to a kind of air compressor set of hydrogen fuel cell for fixed rotor device. BACKGROUND

[0002] Hydrogen fuel cell system is a kind of device that directly converts the chemical energy stored in fuel and oxidant into electrical energy by electrochemical method, and air compressor is needed in hydrogen fuel cell system to continuously deliver air, accelerate air supply, so as to improve fuel utilization.

[0003] At present, the demand for hydrogen fuel cell system increases, and the demand for air compressor also increases. The demand for air compressor production line increases, and the installation of core process fixed rotor of air compressor is also an important link. The market currently uses manual or cylinder linkage method for installation, which is not efficient and has low installation precision. INVENTION CONTENTS

[0004] The utility model aims at overcoming the above-mentioned prior art defects, and provides an air compressor set for hydrogen fuel cell with high precision, accurate positioning and wide application range.

[0005] To achieve the above-mentioned purpose, the air compressor set for hydrogen fuel cell of the utility model is as follows:

[0006] The air compressor set for hydrogen fuel cell, which mainly comprises a positioning mechanism, a bottom plate, a speed chain, a tray, a support, a pressing mechanism, a tray jacking mechanism, a proximity switch, a shell and a rotor, the speed chain is fixed on the upper end of the bottom plate through a plurality of supports, the speed chain transports the tray between stations, the tray jacking mechanism is fixed on the lower end of the bottom plate, the proximity switch is fixed on the speed chain, and the tray jacking mechanism positions the tray after the proximity switch senses that the tray is in place.

[0007] Preferably, the positioning mechanism comprises a lower end module, a small support, a guide sleeve, a flange plate, a shell positioning flange, a connecting seat, a first connecting plate, a positioning rod, an auxiliary cylinder and a second connecting plate, the small support is fixed on the bottom plate, the lower end module is fixed on the small support through a pin and a bolt, the positioning rod is fixed on the lower end module through the first connecting plate and the connecting seat, the shell positioning flange, the flange plate and the guide sleeve are connected through bolts and fitted on the positioning rod, the positioning rod and the shell positioning flange are concentric, the auxiliary cylinder is fixed on the plate in the tray jacking mechanism through the second connecting plate, and the auxiliary cylinder jacks the shell.

[0008] Preferably, the positioning rod comprises two sections connected by threads, pin holes and pin shafts.

[0009] Preferably, the pressing mechanism comprises an auxiliary plate, an upper support, an upper end module, a module connecting plate, a Y-direction mounting plate, an adjusting mechanism and an X-direction mounting plate, the positioning rod is fixed on the X-direction mounting plate, the X-direction mounting plate and the adjusting mechanism are fixed on the Y-direction mounting plate, the Y-direction mounting plate and the adjusting mechanism are fixed on the module connecting plate, the adjusting mechanism is installed on the upper end module through the module connecting plate and is fixed on the support through the auxiliary plate and the upper support.

[0010] Preferably, the tray jacking mechanism comprises a positioning plate, linear bearings, cylinder assemblies, guide rods and limit rings, two sets of cylinder assemblies and four linear bearings are installed on the plate, the guide rods are sleeved with the linear bearings, the lower end of the guide rod is installed with a limit ring and the upper end is fixed on the positioning plate, the upper end of the cylinder assembly is connected with the positioning plate, the plate is fixed on the bottom plate, a positioning pin is installed on the positioning plate and a magnetic switch is installed on the cylinder assembly.

[0011] The air compressor stator-rotor combined installation device for hydrogen fuel cells has the advantages that the shell and the rotor are double-positioned, the positioning is more accurate, the servo motor and the module are used for installation and pressing, the synchronous precision is higher when the pressing is lowered, the pressing is of the thimble type, the coaxiality is high in precision, the positioning mechanism is convenient to disassemble, the replacement is simple, the operation is simple and the efficiency is high, and the shell positioning adopts the floating type and the product is compatible with slight deformation. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the air compressor stator-rotor combined installation device for hydrogen fuel cells.

[0013] Figure 2 It is a front view of the air compressor stator-rotor combined installation device for hydrogen fuel cells.

[0014] Figure 3 It is a side view of the air compressor stator-rotor combined installation device for hydrogen fuel cells.

[0015] Figure 4 It is a positioning mechanism assembly detail view of the air compressor stator-rotor combined installation device for hydrogen fuel cells.

[0016] Figure 5 It is a pressing mechanism assembly detail view of the air compressor stator-rotor combined installation device for hydrogen fuel cells.

[0017] Figure 6 It is a tray jacking mechanism detail view of the air compressor stator-rotor combined installation device for hydrogen fuel cells.

[0018] Reference signs:

[0019] 1 positioning mechanism

[0020] 2 base plate

[0021] 3 speed-up chain

[0022] 4 tray

[0023] 5 support

[0024] 6 pressing mechanism

[0025] 7 tray lifting mechanism

[0026] 8 proximity switch

[0027] 9 RFID

[0028] 10 housing

[0029] 11 rotor

[0030] 12 bearing seat

[0031] 13 lower end module

[0032] 14 small support

[0033] 15 plate

[0034] 16 guide sleeve

[0035] 17 flange

[0036] 18 housing positioning flange

[0037] 19 connecting seat

[0038] 20 first connecting plate

[0039] 21 positioning rod

[0040] 22 auxiliary cylinder

[0041] 23 second connecting plate

[0042] 24 auxiliary plate

[0043] 25 pressing rod

[0044] 26 upper support

[0045] 27 upper end module

[0046] 28 module connecting plate

[0047] 29 Y-direction mounting plate

[0048] 30 adjustment mechanism

[0049] 31 X-direction mounting plate

[0050] 32 positioning pin

[0051] 33 positioning plate

[0052] 34 linear bearing

[0053] 35 cylinder assembly

[0054] 36 guide rod

[0055] 37 limit ring DETAILED DESCRIPTION

[0056] In order to enable the technical content of the utility model to be described more clearly, further description will be made below in combination with specific embodiments.

[0057] The hydrogen fuel cell air compressor fixed rotor assembly device of the utility model, wherein including positioning mechanism 1, bottom plate 2, speed chain 3, tray 4, support 5, pressing mechanism 6, tray jacking mechanism 7, proximity switch 8, shell 10 and rotor 11, the speed chain 3 is fixed on the upper end of bottom plate 2 through several supports, the speed chain 3 transports tray 4 between stations, the tray jacking mechanism 7 is fixed at the lower end of bottom plate 2, the proximity switch 8 is fixed on the speed chain 3, after the proximity switch 8 senses that tray 4 is in place, the tray jacking mechanism 7 is positioned to tray 4 by jacking;The positioning mechanism 1 is fixed at the lower end of bottom plate 2, the pressing mechanism 6 is fixed on bottom plate 2 through support 5, the positioning mechanism 1 and pressing mechanism 6 are synchronously moved down, the rotor 11 is placed on the positioning mechanism 1, the positioning mechanism 1 is double-positioned to shell 10 and rotor 11 respectively, the pressing mechanism 6 is pressed to rotor 11, and is synchronously descended with the positioning mechanism 1 until rotor installation is completed, after rotor 11 installation is completed, the pressing mechanism 6 is automatically returned to the original position.

[0058] As a preferred embodiment of the utility model, the positioning mechanism 1 includes lower end module 13, small support 14, guide sleeve 16, flange plate 17, shell positioning flange 18, connecting seat 19, first connecting plate 20, positioning rod 21, auxiliary cylinder 22 and second connecting plate 23, the small support 14 is fixed on bottom plate 2, the lower end module 13 is fixed on small support 14 through a pin and bolt, the positioning rod 21 is fixed on the lower end module 13 through first connecting plate 20 and connecting seat 19, the shell positioning flange 18, flange plate 17 and guide sleeve 16 are connected through bolt, and are sleeved on positioning rod 21, the positioning rod 21 and shell positioning flange 18 are concentric, the auxiliary cylinder 22 is fixed on the plate 15 in tray jacking mechanism 17 through second connecting plate 23, the auxiliary cylinder 22 jacks up shell 10.

[0059] As the preferred embodiment of the utility model, the positioning rod 21 includes two sections, which are connected through threads, pin holes and pin shafts.

[0060] As the preferred embodiment of the utility model, the pressing mechanism 6 includes an auxiliary plate 24, an upper support 26, an upper end module 27, a module connecting plate 28, a Y-direction mounting plate 29, an adjusting mechanism 30 and an X-direction mounting plate 31, the positioning rod 21 is fixed on the X-direction mounting plate 31, the X-direction mounting plate 31 and the adjusting mechanism 30 are fixed on the Y-direction mounting plate 29, the Y-direction mounting plate 29 and the adjusting mechanism 30 are fixed on the module connecting plate 28, the adjusting mechanism 30 is installed on the upper end module 27 through the module connecting plate 28 and is fixed on the support 6 through the auxiliary plate 24 and the upper support 26.

[0061] As the preferred embodiment of the utility model, the X-direction mounting plate 31 and the adjusting mechanism 30 are used for adjusting the left and right directions of the positioning column 25, the Y-direction mounting plate 29 and the adjusting mechanism 30 are used for adjusting the front and back directions of the positioning column 25, and the pressing rod 25 is finely adjusted so as to be coaxial with the positioning rod 21.

[0062] As the preferred embodiment of the utility model, the tray jacking mechanism 7 includes a positioning plate 33, a linear bearing 34, a cylinder assembly 35, a guide rod 36 and a limiting ring 37, two sets of cylinder assemblies 35 and four linear bearings 34 are installed on the plate 15, the guide rod 36 is sleeved with the linear bearing 34, the lower end is installed with the limiting ring 37, the upper end is fixed on the positioning plate 33, the upper end of the cylinder assembly 35 is connected with the positioning plate 33, the plate 15 is fixed on the bottom plate 2, the positioning pin 32 is installed on the positioning plate 33, the magnetic switch is installed on the cylinder assembly 35, and the extension and retraction of the cylinder assembly make the positioning plate 33 move up and down.

[0063] In the specific embodiment of the utility model, in view of the above-mentioned deficiencies in the prior art, the utility model mechanism adopts a double positioning mode of shell positioning combined with rotor positioning, the installation of the rotor adopts a thimble type, the mechanism at both ends adopts a servo motor + module movement, so as to ensure positioning accuracy and installation efficiency. Meanwhile, the positioning mechanism is convenient to disassemble and change, and can be compatible with more products.

[0064] When the tray 4 reaches the station through the speed chain 3 (the air compressor shell is installed), the proximity switch 8 senses the arrival of the tray 4 at the specified position, and feeds back a signal to the PLC system, so that the lifting mechanism lifts the tray 4 to a position; the lower rotor positioning mechanism is lifted and automatically rises to the height of the combined installation; the rotor 11 is placed in the lower rotor positioning mechanism, and the bearing seat is fitted on the rotor 11, the upper pressing mechanism 6 is automatically lowered and combined with the rotor 11 to form a needle type mechanism; the positioning mechanism 1 and the pressing mechanism 6 are synchronously lowered, so that the rotor 11 is installed in place; after installation, the upper and lower mechanisms are automatically reset to the original position, the installation is completed, and the product can be taken away.

[0065] The device comprises a positioning mechanism of a volute and a rotor, a rotor pressing mechanism, a servo module, a speed chain and a lifting mechanism.

[0066] The device is connected in the form of a pin and a bolt, and the operation is controlled by a PLC system. The speed chain 3 is fixed on the upper end of the bottom plate 2 through a plurality of supports; the tray 4 is conveyed by the speed chain 3, and the speed chain 3 conveys the tray 4 from the upper station to the station and the lower station; the proximity switch 8 is fixed on the speed chain 3 and is used to sense whether the tray 4 reaches the station, and the stop cylinder on the speed chain makes a stop action; the tray lifting mechanism 7 lifts and positions the tray 4 after the proximity switch 8 senses that the tray 4 is in place, and the tray lifting mechanism 7 is fixed on the lower end of the bottom plate 2; the RFID 9 is used to transmit the new part information of the tray 4 to the MES system and perform integration processing.

[0067] The positioning mechanism 1 is fixed on the lower end of the bottom plate 2 and is used for double positioning of the shell 10 and the rotor 11; the pressing mechanism 6 is fixed on the bottom plate 2 through the support 5, is used for pressing the rotor 11 placed on the positioning mechanism 1, and is synchronously lowered with the positioning mechanism 1 until the rotor is installed in place, and then automatically returns to the original position; the bearing seat 12 is placed when the rotor 11 is placed, and is simultaneously pressed and installed. Remark: The concentricity of the positioning mechanism 1 and the pressing mechanism 6 is required to be high, in addition to positioning by the positioning pin, an adjustable mechanism is made on the pressing mechanism 6.

[0068] The small support 14 of the positioning mechanism 1 is fixed on the bottom plate 2, and the lower end module 13 is fixed on the small support 14 by means of pins and bolts; the positioning rod 21 is fixed on the lower end module 13 through the connecting plate 20 and the connecting seat 19, the positioning rod 21 is made of two sections, and the upper and lower sections are connected by means of threads and pin holes / pin shafts, so that the positioning and locking are guaranteed; the shell positioning flange 18, the flange plate 17 and the guide sleeve 16 are connected in a sleeving and bolting mode, and are sleeved on the positioning rod 21, so that the positioning rod 21 and the shell positioning flange 18 are concentric, and the concentricity requirement of the shell 10 and the rotor 11 in actual application is matched; the auxiliary cylinder 22 is fixed on the plate 15 in the tray jacking mechanism 17 through the connecting plate 23, the auxiliary cylinder 22 first jacks up the positioning shell 10, and the double-cylinder jacking positioning has a certain floating effect, so that the positioning is easier, and the positioning of the positioning shell 10 with slight deformation in processing is better compatible. The double-positioning mode is the highlight of the utility model, and has strong usability and remarkable effect.

[0069] The pressing rod 25 in the pressing mechanism 6 is composed of two parts and is integrally processed after being connected. Figure 5 As shown in the figure, the pressing rod 25 has a vertical connecting seam in the middle, the left and right sides of the pressing rod 25 are connected together to form a whole, the two parts are precisely sleeved (similar to the cooperation of a pin and a pin hole), and the tail part is connected in a threaded connection mode smaller than the shaft diameter of the positioning part, so that the positioning precision is guaranteed, and the pressing rod 25 can be quickly replaced; the pressing rod 25 is fixed on the X-direction mounting plate 31, the X-direction mounting plate 31 and the adjusting mechanism 30 are fixed on the Y-direction mounting plate 29; the Y-direction mounting plate 29 and the adjusting mechanism 30 are fixed on the module connecting plate 28; the X-direction mounting plate 31 and the adjusting mechanism 30 can adjust the directions of the left and right sides of the positioning column 25, and the Y-direction mounting plate 29 and the adjusting mechanism 30 can adjust the directions of the front and back of the positioning column 25, so that the pressing rod 25 is finely adjusted to be coaxial with the rotor positioning rod 21; the whole adjusting mechanism 30 is installed on the upper end module 27 through the module connecting plate 28, and is then fixed on the support 6 through the auxiliary plate 24 and the upper support 26; the precise up-down movement effect of the pressing rod 25 is realized; the reason for pressing is that the rotor 11 is magnetized, and the rotor 11 needs to be pressed from the upper end in addition to the lower end positioning when being installed on the shell 10, otherwise the rotor 11 cannot be installed.

[0070] The tray jacking mechanism 7: the plate 15 is provided with two sets of cylinder assemblies 35 and four linear bearings 34, a guide rod 36 is sleeved with the linear bearings 34, a limiting ring 37 is installed at the lower end of the guide rod 36, and the guide rod 36 is fixed on the positioning plate 33 at the upper end; the upper end of the cylinder assembly is connected with the positioning plate 33, and the plate 15 is fixed on the bottom plate 2; the extension and contraction of the cylinder assembly 35 can make the positioning plate 33 move up and down, and the cylinder assembly 35 is provided with a magnetic switch and can sense the up-down position; the positioning plate 33 is provided with a positioning pin 32, so that the tray jacking mechanism 7 is better positioned with the tray 4 after jacking up.

[0071] The specific implementation scheme of the embodiment can refer to the related description in the above embodiment, which will not be repeated here.

[0072] It can be understood that the same or similar parts in the above embodiments can be mutually referred to, and the content not described in detail in some embodiments can refer to the same or similar content in other embodiments.

[0073] It should be noted that in the description of the utility model, the terms "first", "second", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, in the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is at least two.

[0074] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0075] The air compressor machine and fixed rotor combined installation device for hydrogen fuel cell adopts a shell, double positioning of the rotor, more accurate positioning, servo motor and module for installation and pressing, higher synchronous accuracy when pressing down. Top pin type pressing is adopted, and it has high precision coaxiality, the positioning mechanism is convenient to disassemble, the type changing is simple, the operation is simple, and the efficiency is high; the shell positioning adopts floating type, and the product has slight deformation.

[0076] In this specification, the utility model has been described with reference to its specific embodiments. However, it is obvious that various modifications and changes can be made without departing from the spirit and scope of the utility model. Therefore, the specification and drawings should be considered as illustrative rather than restrictive.

Claims

1. A hydrogen fuel cell air compressor fixed rotor assembly device, characterized by, The device comprises a positioning mechanism, a bottom plate, a speed-up chain, a tray, a support, a pressing mechanism, a tray jacking mechanism, a proximity switch, a housing and a rotor.

2. The air compressor and the fixed rotor assembling device for hydrogen fuel cell according to claim 1, wherein The positioning mechanism comprises a lower end module, a small support, a guide sleeve, a flange, a housing positioning flange, a connecting seat, a first connecting plate, a positioning rod, an auxiliary cylinder and a second connecting plate.

3. The air compressor and the fixed rotor assembling device for hydrogen fuel cell according to claim 2, wherein The positioning rod comprises two sections, which are connected by a thread, a pin hole and a pin shaft.

4. The air compressor and the fixed rotor assembling device for hydrogen fuel cell according to claim 2, wherein The pressing mechanism comprises an auxiliary plate, an upper support, an upper end module, a module connecting plate, a Y-direction mounting plate, an adjusting mechanism and an X-direction mounting plate.

5. The air compressor and the fixed rotor assembling device for hydrogen fuel cell according to claim 1, wherein The tray jacking mechanism comprises a positioning plate, a linear bearing, a cylinder assembly, a guide rod and a limiting ring. The positioning plate is provided with two sets of cylinder assemblies and four linear bearings. The cylinder assembly is provided with a magnetic switch.

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