An automatic powder filling auxiliary device for oxygen sensor core

Abstract

The invention discloses an oxygen sensor core automatic powder filling auxiliary device, comprising a mold, a film-applying mechanism, a powder filling mechanism, a mold-transferring mechanism, a mold-vibrating mechanism, a demoulding mechanism, a residual powder-vibrating mechanism, an optical detection mechanism and a conveying mechanism, wherein the conveying mechanism is a closed annular structure, the mold is fixed on the conveying mechanism, the film-applying mechanism, the powder filling mechanism, the mold-transferring mechanism, the mold-vibrating mechanism, the demoulding mechanism, the residual powder-vibrating mechanism and the optical detection mechanism are arranged at intervals around the conveying mechanism in sequence, and are arranged corresponding to the mold on the conveying mechanism. The device has a simple structure, a reasonable design, convenient operation, a high degree of automation, can effectively save costs, reduce the labor intensity of operators, improve production efficiency, reduce space occupancy, and has a good market application prospect.

Description

Technical Field

[0001] The invention relates to the technical field of automatic powder filling auxiliary devices for core bodies, and more particularly to an automatic powder filling auxiliary device for a core body of an oxygen sensor. Background Art

[0002] The automotive oxygen sensor is a key feedback sensor in the electronic fuel injection engine control system. It is a key component for controlling automobile exhaust emissions, reducing automobile pollution to the environment, and improving the fuel combustion quality of automobile engines. The key role played by the oxygen sensor is the zirconium oxide or aluminum oxide sensitive ceramic core, which is used to detect the oxygen concentration in the exhaust pipe, thereby achieving precise control of combustion conditions.

[0003] With the continuous increase in the number of cars, and the official full implementation of the National VI Standard in 2019, the demand for oxygen sensors has also increased significantly (each fuel vehicle has 2-3 sensors). Although domestic scientific research institutions have invested heavily in research and development, and private enterprises have also been involved, the industrialization of oxygen sensors has also developed rapidly. However, in terms of the current actual situation, there is still a large gap in the performance of domestic enterprises, and the domestic and international market share is still monopolized by foreign companies (such as BOSCH, NTK, DENSO, DELPHI, etc.). China is still in a relatively early stage in this field, and technical difficulties need to be overcome urgently, and the market prospects are broad. At present, domestic oxygen sensor cores are mostly filled with powder by hand, which is not only inefficient, but also requires a large number of people for processes such as mold closing, powder shaking, and demolding, occupies a large space, and has a high processing cost.

[0004] Therefore, it is an urgent problem to be solved by those skilled in the art to provide an oxygen sensor core automatic powder filling auxiliary device with a simple structure, reasonable design, easy operation, high degree of automation, and the ability to effectively save costs, improve production efficiency, and reduce space occupancy. Summary of the invention

[0005] In view of this, in order to solve the technical problems of low manual powder filling efficiency, high investment cost and large space occupation in the prior art, the present invention provides an automatic powder filling auxiliary device for an oxygen sensor core, which has a simple structure, reasonable design, convenient operation, high degree of automation, and can effectively save costs, improve production efficiency and reduce space occupancy.

[0006] In order to achieve the above object, the present invention adopts the following technical solution:

[0007] An automatic powder filling auxiliary device for an oxygen sensor core comprises a mold, a glue film applying mechanism, a powder filling mechanism, a mold transfer and clamping mechanism, a mold vibration mechanism, a demoulding mechanism, a residual powder vibration mechanism, an optical detection mechanism and a conveying mechanism, wherein the conveying mechanism is a closed annular structure, the mold is fixed on the conveying mechanism, the glue film applying mechanism, the powder filling mechanism, the mold transfer and clamping mechanism, the mold vibration mechanism, the demoulding mechanism, the residual powder vibration mechanism and the optical detection mechanism are respectively and sequentially arranged at intervals around the conveying mechanism and arranged corresponding to the mold on the conveying mechanism.

[0008] Through the above technical solutions, it can be known that compared with the existing technical solutions, the present invention discloses an oxygen sensor core automatic powder filling auxiliary device, which can realize the automatic circulation of the mold on the conveying mechanism by utilizing the connection structure between the mold and the conveying mechanism, can place the film on the mold by utilizing the film-applying mechanism, can complete the powder filling operation of the film core by utilizing the powder filling mechanism, can cover the powder in the film by utilizing the mold transmission and closing mechanism and the mold vibration mechanism, can remove the film from the mold by utilizing the demoulding mechanism, can remove and detect the residual powder in the mold by utilizing the residual powder vibration mechanism and the optical detection mechanism, so that the mold can start the next round of cyclic powder filling process. The oxygen sensor core automatic powder filling auxiliary device of the present invention is not only simple in structure, reasonable in design, and easy to operate, but also has a high degree of automation, can effectively save costs, reduce the labor intensity of operators, improve production efficiency, and reduce space occupancy, and has good market application prospects.

[0009] Furthermore, the adhesive film applying mechanism includes an upper film support frame, a first manipulator and an adhesive film. The upper film support frame is located on one side of the conveying mechanism. One end of the first manipulator is connected to the upper film support frame, and the other end is detachably connected to the adhesive film for placing the adhesive film on the mold.

[0010] The beneficial effect of adopting the above technical solution is that the first manipulator can be used to stably place the film on the mold, so that the film can flow along with the mold on the conveying mechanism, thereby realizing automated processing of the film core.

[0011] Furthermore, the powder filling mechanism includes a powder filling support frame, a pneumatic vibration motor, a hopper, a blanking assembly and a controller. The powder filling support frame is located on one side of the conveying mechanism. The pneumatic vibration motor, the hopper, the blanking assembly and the controller are all connected to the powder filling support frame. Powder is placed in the hopper. The blanking assembly is fixed to the bottom of the hopper and is located above the adhesive film. The pneumatic vibration motor is connected to the hopper and the side wall of the blanking assembly for vibrating the hopper and the blanking assembly so that the powder in the hopper is filled onto the adhesive film via the blanking assembly. The controller is electrically connected to the pneumatic vibration motor for controlling the pneumatic vibration motor.

[0012] Optionally, the controller is a PLC controller.

[0013] The beneficial effect of adopting the above technical solution is that it can effectively realize the automatic powder filling operation of the film core.

[0014] Furthermore, the blanking assembly includes an upper baffle, a lower baffle and a thickness screen plate, the upper baffle and the lower baffle are both arranged horizontally, and the upper baffle is fixed to the bottom of the hopper, the thickness screen plate is fixed between the upper baffle and the lower baffle, the thickness screen plates are arranged vertically and there are multiple of them, and the multiple thickness screen plates are evenly arranged, and a passing hole is formed on the thickness screen plate, and the lower baffle is horizontally arranged above the film.

[0015] The beneficial effect of adopting the above technical solution is that the structure of the device is reasonably designed, and the sieve plates of different heights and thicknesses can be replaced according to the requirements of different powder filling amounts.

[0016] Furthermore, the mold transfer and closing mechanism includes a mold transfer and closing support, a second manipulator, a mold cover, a magnetic block and a mold core. The mold transfer and closing support is located on one side of the conveying mechanism. One end of the second manipulator is connected to the mold transfer and closing support, and the other end is detachably connected to the mold cover for laying the mold cover on the top of the film. A positioning groove is provided on the bottom end surface of the mold cover. There are multiple positioning grooves, and the multiple positioning grooves are evenly spaced along the length direction of the mold cover. There are multiple mold cores, and one end of the multiple mold cores can be detachably inserted into the corresponding multiple positioning grooves, and the other end is inserted into the film. There are two magnetic blocks, and the two magnetic blocks are fixed to the bottom end surface of the mold cover, and are respectively arranged near the two ends of the mold cover.

[0017] The beneficial effect of adopting the above technical solution is that the device has a reasonable structural design, a high degree of operation automation, and can effectively realize the mold closing operation of the rubber film after filling with powder.

[0018] Furthermore, the vibration mold mechanism includes a vibration mold bracket and a first electromagnetic vibration table, the vibration mold bracket is located on one side of the transmission mechanism, and the first electromagnetic vibration table is connected to the vibration mold bracket and is located on the top of the film.

[0019] The beneficial effect of adopting the above technical solution is that the purpose of shaking the powder can be achieved by vibrating the first electromagnetic vibration table, thereby compacting the powder in the film.

[0020] Furthermore, the demoulding mechanism includes a demoulding bracket and a third manipulator, the demoulding bracket is located on one side of the conveying mechanism, one end of the third manipulator is connected to the demoulding bracket, and the other end is detachably connected to the mold cover and the adhesive film, and is used to remove the mold cover and the adhesive film from the mold respectively.

[0021] The beneficial effect of adopting the above technical solution is that the demoulding operation of the mold can be effectively realized, the mold cover is first removed to separate the mold cover from the mold core, and then the mold core and the film are removed together.

[0022] Furthermore, the residual powder shaking mechanism includes a residual powder shaking bracket and a second electromagnetic vibration table, the residual powder shaking bracket is located on one side of the conveying mechanism, and the second electromagnetic vibration table is connected to the residual powder shaking bracket and is located on the top of the mold.

[0023] The beneficial effect of adopting the above technical solution is that the residual powder in the mold can be removed by using the second electromagnetic vibration table to ensure that the mold can effectively implement the next round of powder filling processing steps.

[0024] Furthermore, there are multiple molds, and the multiple molds are evenly spaced and arranged on the conveying mechanism.

[0025] The beneficial effect of adopting the above technical solution is that it can effectively ensure the continuous operation of the device and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0027] Figure 1 The accompanying drawing is a structural schematic diagram of an automatic powder filling auxiliary device for an oxygen sensor core provided by the present invention;

[0028] Figure 2The accompanying drawing is a structural schematic diagram of a powder filling mechanism in an automatic powder filling auxiliary device for an oxygen sensor core provided by the present invention;

[0029] Figure 3 The accompanying drawing is a structural schematic diagram of a mold transfer mechanism in an automatic powder filling auxiliary device for an oxygen sensor core provided by the present invention.

[0030] Among them: 1-mold, 2-film-applying mechanism, 21-first manipulator, 22-film, 3-powder filling mechanism, 31-pneumatic vibration motor, 32-hopper, 33-blank assembly, 331-upper baffle, 332-lower baffle, 333-thickness screen plate, 34-controller, 4-mold transmission and clamping mechanism, 41-second manipulator, 42-mold cover, 43-magnetic block, 44-mold core, 45-positioning groove, 5-first electromagnetic vibration table, 6-third manipulator, 7-second electromagnetic vibration table, 8-optical detection mechanism, 9-transmission mechanism. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] In the description of the present invention, it is necessary to understand that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0036] The present invention discloses an automatic powder filling auxiliary device for an oxygen sensor core, comprising a mold 1, a glue film applying mechanism 2, a powder filling mechanism 3, a mold transfer and clamping mechanism 4, a mold vibration mechanism, a demoulding mechanism, a residual powder vibration mechanism, an optical detection mechanism 8 and a conveying mechanism 9. The conveying mechanism 9 is a closed annular structure. The mold 1 is fixed on the conveying mechanism 9. The glue film applying mechanism 2, the powder filling mechanism 3, the mold transfer and clamping mechanism 4, the mold vibration mechanism, the demoulding mechanism, the residual powder vibration mechanism and the optical detection mechanism 8 are respectively and sequentially arranged at intervals around the conveying mechanism 9 and arranged corresponding to the mold 1 on the conveying mechanism 9.

[0037] According to an optional embodiment of the present invention, the adhesive film mechanism 2 includes an upper film support frame, a first manipulator 21 and an adhesive film 22. The upper film support frame is located on one side of the conveying mechanism 9. One end of the first manipulator 21 is connected to the upper film support frame, and the other end is detachably connected with the adhesive film 22, which is used to place the adhesive film 22 on the mold 1. The first manipulator can be used to place the adhesive film stably on the mold, so that the adhesive film can flow along with the mold on the conveying mechanism, thereby realizing automated processing of the film core.

[0038] According to an optional embodiment of the present invention, the powder filling mechanism 3 includes a powder filling support frame, a pneumatic vibration motor 31, a hopper 32, a blanking assembly 33 and a controller 34. The powder filling support frame is located on one side of the conveying mechanism 9. The pneumatic vibration motor 31, the hopper 32, the blanking assembly 33 and the controller 34 are all connected to the powder filling support frame. Powder is placed in the hopper 32. The blanking assembly 33 is fixed to the bottom of the hopper 32 and is located above the film 22. The pneumatic vibration motor 31 is connected to the side walls of the hopper 32 and the blanking assembly 33, and is used to vibrate the hopper 32 and the blanking assembly 33, so that the powder in the hopper 32 is filled onto the film 22 via the blanking assembly 33. The controller 34 is electrically connected to the pneumatic vibration motor 31, and is used to control the pneumatic vibration motor 31. Specifically, the controller 34 is a PLC controller, so that the automatic powder filling operation of the film core can be effectively realized.

[0039] According to an optional embodiment of the present invention, the blanking assembly 33 includes an upper baffle 331, a lower baffle 332 and a thickness screen plate 333. The upper baffle 331 and the lower baffle 332 are both arranged horizontally, and the upper baffle 331 is fixed to the bottom of the hopper 32. The thickness screen plate 333 is fixed between the upper baffle 331 and the lower baffle 332. The thickness screen plates 333 are arranged vertically and there are multiple thickness screen plates 333, and the multiple thickness screen plates 333 are evenly arranged. A passing hole is formed on the thickness screen plate 333, and the lower baffle 332 is horizontally arranged above the film 22, so that the structural design of the device is reasonable, and thickness screen plates of different heights can be replaced according to the requirements of different powder filling amounts.

[0040] According to an optional embodiment of the present invention, the mold transfer and closing mechanism 4 includes a mold transfer and closing bracket, a second manipulator 41, a mold cover 42, a magnetic block 43 and a mold core 44. The mold transfer and closing bracket is located on one side of the conveying mechanism 9. One end of the second manipulator 41 is connected to the mold transfer and closing bracket, and the other end is detachably connected to the mold cover 42, which is used to lay the mold cover 42 on the top of the film 22. A positioning groove 45 is opened on the bottom end surface of the mold cover 42. There are multiple positioning grooves 45, and the multiple positioning grooves 45 are evenly spaced along the length direction of the mold cover 42. There are multiple mold cores 44, and one end of the multiple mold cores 44 can be detachably inserted into the corresponding multiple positioning grooves 45, and the other end is inserted into the film 22. There are two magnetic blocks 43, and the two magnetic blocks 43 are fixed to the bottom end surface of the mold cover 42, and are respectively arranged near the two ends of the mold cover 42, so that the device has a reasonable structural design and a high degree of operation automation, and can effectively realize the mold closing operation of the film after filling with powder.

[0041] According to an optional embodiment of the present invention, the vibration mold mechanism includes a vibration mold bracket and a first electromagnetic vibration table 5. The vibration mold bracket is located on one side of the conveying mechanism 9. The first electromagnetic vibration table 5 is connected to the vibration mold bracket and is located on the top of the film 22. The purpose of vibrating the powder can be achieved by vibrating the first electromagnetic vibration table, thereby compacting the powder in the film.

[0042] According to an optional embodiment of the present invention, the demolding mechanism includes a demolding bracket and a third manipulator 6. The demolding bracket is located on one side of the conveying mechanism 9. One end of the third manipulator 6 is connected to the demolding bracket, and the other end is detachably connected to the mold cover 42 and the adhesive film 22, and is used to remove the mold cover 42 and the adhesive film 22 from the mold 1 respectively, thereby effectively realizing the demolding operation of the mold. The mold cover is first removed to separate the mold cover from the mold core, and then the mold core and the adhesive film are removed together.

[0043] According to an optional embodiment of the present invention, the residual powder shaking mechanism includes a residual powder shaking bracket and a second electromagnetic vibration table 7, the residual powder shaking bracket is located on one side of the conveying mechanism 9, the second electromagnetic vibration table 7 is connected to the residual powder shaking bracket and is located on the top of the mold 1, so that the residual powder in the mold can be removed by utilizing the second electromagnetic vibration table to ensure that the mold can effectively realize the next round of powder filling processing process.

[0044] According to an optional embodiment of the present invention, there are multiple molds 1, and the multiple molds 1 are evenly spaced and arranged on the conveying mechanism 9, thereby effectively ensuring the continuous operation of the device and improving production efficiency.

[0045] The oxygen sensor core automatic powder filling auxiliary device of the present invention can realize the automatic circulation of the mold on the conveying mechanism by utilizing the connection structure between the mold and the conveying mechanism, can place the film on the mold by utilizing the film-applying mechanism, can complete the powder filling operation of the film core by utilizing the powder filling mechanism, can cover and compact the powder in the film by utilizing the mold-transmitting and closing mechanism and the mold-vibrating mechanism, can remove the film from the mold by utilizing the demoulding mechanism, can remove and detect the residual powder in the mold by utilizing the residual powder-vibrating mechanism and the optical detection mechanism, so that the mold can start the next round of cyclic powder filling process. The device is not only simple in structure, reasonable in design, and easy to operate, but also has a high degree of automation, can effectively save costs, reduce the labor intensity of operators, improve production efficiency, and reduce space occupancy, and has good market application prospects.

[0046] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. 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 invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0047] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. An oxygen sensor core automatic powder filling auxiliary device, characterized in that: The invention comprises a mould (1), a glue film applying mechanism (2), a powder filling mechanism (3), a mould transfer and clamping mechanism (4), a mould vibration mechanism, a mould release mechanism, a residual powder vibration mechanism, an optical detection mechanism (8) and a conveying mechanism (9), wherein the conveying mechanism (9) is a closed annular structure, the mould (1) is fixed on the conveying mechanism (9), the glue film applying mechanism (2), the powder filling mechanism (3), the mould transfer and clamping mechanism (4), the mould vibration mechanism, the mould release mechanism, the residual powder vibration mechanism and the optical detection mechanism (8) are arranged in sequence and at intervals around the conveying mechanism (9), and are arranged corresponding to the mould (1) on the conveying mechanism (9); The adhesive film applying mechanism (2) comprises an adhesive film supporting frame, a first manipulator (21) and an adhesive film (22); the adhesive film supporting frame is located on one side of the conveying mechanism (9); one end of the first manipulator (21) is connected to the adhesive film supporting frame, and the other end of the first manipulator (21) is detachably connected to the adhesive film (22) for placing the adhesive film (22) on the mold (1); The powder filling mechanism (3) comprises a powder filling support frame, a pneumatic vibration motor (31), a hopper (32), a material dropping assembly (33) and a controller (34); the powder filling support frame is located on one side of the conveying mechanism (9); the pneumatic vibration motor (31), the hopper (32), the material dropping assembly (33) and the controller (34) are all connected to the powder filling support frame; powder is placed in the hopper (32); the material dropping assembly (33) is fixed to the hopper (32) ) at the bottom of the adhesive film (22), and located above the adhesive film (22); the pneumatic vibration motor (31) is connected to the hopper (32) and the side wall of the blanking assembly (33), and is used to vibrate the hopper (32) and the blanking assembly (33), so that the powder in the hopper (32) is filled onto the adhesive film (22) through the blanking assembly (33); the controller (34) is electrically connected to the pneumatic vibration motor (31), and is used to control the pneumatic vibration motor (31); The blanking assembly (33) comprises an upper baffle (331), a lower baffle (332) and a thickness screen plate (333); the upper baffle (331) and the lower baffle (332) are both arranged horizontally, and the upper baffle (331) is fixed to the bottom of the hopper (32); the thickness screen plate (333) is fixed between the upper baffle (331) and the lower baffle (332); the thickness screen plates (333) are arranged vertically and in plurality, and the plurality of thickness screen plates (333) are evenly arranged; a material passing hole is formed on the thickness screen plate (333); and the lower baffle (332) is arranged horizontally above the adhesive film (22); The mold transfer and closing mechanism (4) comprises a mold transfer and closing support, a second manipulator (41), a mold cover (42), a magnetic block (43) and a mold core (44). The mold transfer and closing support is located on one side of the conveying mechanism (9). One end of the second manipulator (41) is connected to the mold transfer and closing support, and the other end is detachably connected to the mold cover (42) for laying the mold cover (42) on the top of the adhesive film (22). The bottom end surface of the mold cover (42) is provided with a positioning groove (45). The positioning groove (45) is provided on the bottom end surface of the mold cover (42). There are a plurality of grooves (45), and the plurality of positioning grooves (45) are evenly spaced along the length direction of the mold cover (42); there are a plurality of mold cores (44), and one end of the plurality of mold cores (44) is detachably plugged into the corresponding plurality of positioning grooves (45), and the other end is plugged into the adhesive film (22); there are two magnetic blocks (43), and the two magnetic blocks (43) are both fixed to the bottom end surface of the mold cover (42), and are respectively arranged near the two ends of the mold cover (42).

2. The automatic powder filling auxiliary device for an oxygen sensor core according to claim 1, characterized in that: The vibration mold mechanism comprises a vibration mold bracket and a first electromagnetic vibration table (5), the vibration mold bracket is located on one side of the transmission mechanism (9), and the first electromagnetic vibration table (5) is connected to the vibration mold bracket and is located on the top of the adhesive film (22).

3. The automatic powder filling auxiliary device for an oxygen sensor core according to claim 2, characterized in that: The demoulding mechanism comprises a demoulding support and a third robot (6), wherein the demoulding support is located on one side of the conveying mechanism (9), one end of the third robot (6) is connected to the demoulding support, and the other end is detachably connected to the mold cover (42) and the adhesive film (22), and is used to remove the mold cover (42) and the adhesive film (22) from the mold (1) respectively.

4. The automatic powder filling auxiliary device for an oxygen sensor core according to claim 3, characterized in that: The residual powder vibration mechanism comprises a residual powder vibration support and a second electromagnetic vibration table (7), wherein the residual powder vibration support is located on one side of the conveying mechanism (9), and the second electromagnetic vibration table (7) is connected to the residual powder vibration support and is located on the top of the mold (1).

5. The automatic powder filling auxiliary device for an oxygen sensor core according to claim 4, characterized in that: There are a plurality of the moulds (1), and the plurality of the moulds (1) are evenly spaced and arranged on the conveying mechanism (9).

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