CN109866017B - Oil quantity actuator assembling process - Google Patents
Oil quantity actuator assembling process Download PDFInfo
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- CN109866017B CN109866017B CN201910130236.XA CN201910130236A CN109866017B CN 109866017 B CN109866017 B CN 109866017B CN 201910130236 A CN201910130236 A CN 201910130236A CN 109866017 B CN109866017 B CN 109866017B
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- bottom plate
- shell
- signal transmission
- assembly
- driving
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Abstract
The invention relates to an actuator assembling process, which comprises the following process steps: step 1, carrying out air tightness detection on a hollow outer shell formed by a shell (1) and an upper cover (2); step 2, installing an electromagnetic drive execution assembly (3) in the shell (1); step 3, installing an electromagnetic driving rotor assembly (4) in the shell (1); step 4, mounting a support column (5); step 5, sleeving the bottom plate (6) on the upper stud of the support pillar (5), and screwing a nut on the upper stud of the support pillar (5) to fix the bottom plate (6); step 6, attaching the coil leading-out pins of the electromagnetic drive execution assembly (3) to a leading-out sheet (6.6); step 7, installing the circuit board (7), and welding pin pins of the joint component (10) to the leading-out sheet (6.6); step 8, pouring sealant between the shielding cover (9) and the circuit board (7); and 9, mounting the upper cover (2) to obtain a finished product. The actuator assembling process is simple and efficient in assembling.
Description
Technical Field
The invention relates to an assembly process of an oil quantity actuator, in particular to an assembly process of a rotary oil quantity actuator applied to a dispensing pump.
Background
At present, diesel engines supplied with oil by using distribution pumps need to accurately control oil supply so as to meet emission regulations and fuel economy; in order to improve the precision of the actuator, the high precision (the precision of +/-0.001 mm can be achieved), the high anti-interference capability and the simpler structure of the Hall element are mostly utilized in the industry; if the enterprise develops and declares the distribution pump electric control rotary oil quantity actuator in 2013, 03, 07 and 2013, the cost is reduced, the maintenance difficulty of devices is reduced, the Hall elements have high consistency, and different products do not need to be debugged independently, so that the production efficiency of the products is greatly improved, and the large-scale industrial production is facilitated; meanwhile, the temperature sensor is arranged on the PCB, so that the integration level of the PCB can be increased, and the failure rate caused by dispersion of components is reduced; however, in the actual manufacturing process, it is found that the above structure is only an ideal concept, and in the actual production, the magnetic leakage, the oil leakage, the circuit layout and the like need to be redesigned, so that the efficient and fast industrial production can be met.
Disclosure of Invention
The invention aims to overcome the defects and provide the oil mass actuator assembling process which is convenient and quick to assemble.
The purpose of the invention is realized as follows:
an actuator assembling process, comprising the following process steps:
step 2, opening an upper cover of the product qualified in the air tightness detection in the step 1, and installing an electromagnetic drive execution assembly in the shell;
step 4, screwing the stud at the lower part of the support column on the shell or the electromagnetic drive rotor assembly;
step 6, welding two coil pins of the electromagnetic driving execution assembly on the two driving connecting pieces, and attaching pin pins of the connector assembly on the leading-out pieces;
step 8, after the sealant is poured into the shielding cover, placing the shielding cover on the circuit board; the top of the cushion block on the bottom plate penetrates through the circuit board and then supports the shielding case;
and 9, pressing the upper cover on the shell through a fastening bolt to complete assembly.
The invention relates to an actuator assembling process, which comprises the following process steps: in the step 1, a sealing caulking groove is arranged on the pressing surface of the upper cover pressed with the shell, a sealing ring is embedded in the sealing caulking groove, and synapses are arranged on the outer wall of the sealing ring, so that the sealing ring cannot fall off during assembly.
The invention relates to an actuator assembling process, which comprises the following process steps: in step 2, the electromagnetic driving actuator includes a coil bobbin and a coil winding wound on the coil bobbin.
The invention relates to an actuator assembling process, which comprises the following process steps: in step 3, the electromagnetic driving rotor assembly comprises a rotor shaft penetrating through the bottom shell wall of the shell, the sensing core is installed at the top of the rotor shaft, and the rotating plate is fixedly sleeved on the rotor shaft.
The invention relates to an actuator assembling process, which comprises the following process steps: in step 5, the upper part of the supporting column is made of a magnetic isolation material.
The invention relates to an actuator assembling process, which comprises the following process steps: in step 5, the driving connection metal strip, the driving connection sheet and the corresponding lead-out sheet are of an integrated driving signal transmission structure, the signal transmission metal strip, the signal transmission connection sheet and the corresponding lead-out sheet are of an integrated sensing signal lead-out structure, and the integrated driving signal transmission structure, the integrated sensing signal lead-out structure and the bottom plate are arranged in the bottom plate in a pressing mode through injection molding.
The invention relates to an actuator assembling process, which comprises the following process steps: in the step 6, the driving connecting sheet is set to be in a U-shaped structure, and the coil pins are inserted into the U-shaped structure, so that the reliability of subsequent welding is ensured.
The invention relates to an actuator assembling process, which comprises the following process steps: in step 7, the soldering part of the pin and the lead-out piece of the joint assembly is in a flat structure, so that the soldering contact area is increased, and the soldering reliability is ensured.
Compared with the prior art, the invention has the beneficial effects that:
the structure of the whole oil volume actuator is optimized, and the sensor assembly consisting of the bottom plate, the circuit board and the shielding cover is integrally assembled, so that the assembly is simpler and more convenient, and the sensor assembly can be synchronously assembled while the overall assembly is carried out, thereby further improving the assembly efficiency; in addition, the wiring layout is arranged in the bottom plate and is connected with the circuit board, the coil pins and the pin pins of the connector assembly in a welding mode through pins, connecting sheets and the like, so that the magnetic isolation capacity is improved, the exposure of the wiring is avoided, the assembly yield is higher, the product performance is improved, and the market competitiveness is improved.
Drawings
Fig. 1 is a schematic structural diagram of an oil amount actuator according to the present invention.
Fig. 2 is a schematic structural diagram of an oil volume actuator according to the present invention (with the upper cover removed).
Fig. 3 is a cross-sectional view a-a of fig. 1 of an oil mass actuator of the present invention.
Fig. 4 is a cross-sectional view B-B of fig. 2 of an oil mass actuator of the present invention.
Fig. 5 shows a sensor assembly (the overall assembly of the base plate, the circuit board and the shield) of an oil quantity actuator according to the invention.
Fig. 6 is a side cross-sectional view of fig. 5 of an oil mass actuator of the present invention (in the figure, the upper and lower through holes on the bottom plate are provided with fabrication holes for inserting the thimble to position and fix the driving connection metal strip and the signal transmission metal strip during injection molding).
Fig. 7 is a schematic structural diagram of a joint assembly of an oil amount actuator according to the present invention.
Fig. 8 is a side cross-sectional view of a joint assembly of an oil mass actuator of the present invention.
Wherein:
the electromagnetic driving device comprises a shell 1, an upper cover 2, an electromagnetic driving executing component 3, an electromagnetic driving rotor component 4, a supporting column 5, a bottom plate 6, a circuit board 7, a cushion block 8, a shielding cover 9 and a connector component 10;
a coil former 3.1, a coil winding 3.2;
a rotor shaft 4.1, a sensing core 4.2 (such as a permanent magnet), a rotating plate 4.3 and a return spring 4.4;
the device comprises a through hole 6.1, a driving connecting sheet 6.2, a signal transmission connecting sheet 6.3, a driving connecting metal strip 6.4, a signal transmission metal strip 6.5 and a lead-out sheet 6.6;
connecting via 7.1, sensor chip 7.2 (e.g. hall sensor).
Detailed Description
Referring to fig. 1 to 8, the actuator assembling process according to the present invention includes the following steps:
step 2, opening the upper cover 2 of the product qualified in the air tightness detection in the step 1, and installing the electromagnetic drive execution assembly 3 in the shell 1; the electromagnetic driving executing component 3 comprises a coil former 3.1 and a coil winding 3.2 wound on the coil former 3.1;
step 4, screwing the lower stud of the support column 5 on the shell 1 or the electromagnetic drive rotor assembly 4;
step 6, welding two coil pins of the electromagnetic drive execution assembly 3 on the two drive connecting sheets 6.2, and attaching pin pins of the connector assembly 10 on the leading-out sheets 6.6; (further, the driving connecting sheet 6.2 is arranged to be a U-shaped structure, and the coil pins are inserted into the U-shaped structure, so that the reliability of subsequent welding is ensured);
step 8, after the sealant is poured into the shielding cover 9, covering the shielding cover 9 on the circuit board 7; the top of the cushion block 8 on the bottom plate 6 passes through the circuit board 7 and then supports the shielding cover 9;
and 9, pressing the upper cover 2 on the shell 1 through a fastening bolt to complete assembly.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (8)
1. An actuator assembly process, characterized in that: the process comprises the following steps:
step 1, detecting air tightness; installing the joint component (10) on the shell (1), pressing the upper cover (2) on the shell (1) through a fastening bolt, and then carrying out air tightness detection on a hollow outer shell formed by the shell (1) and the upper cover (2);
step 2, opening an upper cover (2) of a product qualified in air tightness detection in the step 1, and installing an electromagnetic drive execution assembly (3) in the shell (1);
step 3, after the electromagnetic drive rotor assembly (4) is connected to the shell (1) in a penetrating manner, the return spring (4.4) is connected between the rotating plate (4.3) of the electromagnetic drive rotor assembly (4) and the coil rack (3.1) of the electromagnetic drive execution assembly (3);
step 4, screwing the stud at the lower part of the support column (5) on the electromagnetic drive rotor assembly (4);
step 5, sleeving the bottom plate (6) on the upper stud of the support pillar (5), and screwing a nut on the upper stud of the support pillar (5) to fix the bottom plate (6); the bottom plate (6) is positioned right above the electromagnetic drive execution assembly (3); the bottom plate (6) is provided with a through hole (6.1) for a sensing core (4.2) at the top of the magnetic driving rotor assembly (4) to penetrate through, the side wall of the bottom plate (6) is vertically and upwards provided with two driving connecting sheets (6.2), the upper surface of the bottom plate (6) is vertically provided with a plurality of signal transmission connecting sheets (6.3), the side wall of the bottom plate (6) is vertically provided with a plurality of lead-out sheets (6.6), a driving connecting metal strip (6.4) and a signal transmission metal strip (6.5) are embedded in the bottom plate (6), and the lead-out sheets (6.6) are respectively connected with the driving connecting sheets (6.2) and the signal transmission connecting sheets (6.3) through the driving connecting metal strip (6.4) and the signal transmission metal strip (6.5);
step 6, welding two coil pins of the electromagnetic drive execution assembly (3) on the two drive connecting sheets (6.2), and attaching pin pins of the connector assembly (10) on the leading-out sheets (6.6);
step 7, a circuit board (7) is installed on the bottom plate (6) through a cushion block (8), a signal transmission connecting piece (6.3) on the bottom plate (6) is inserted into a connecting through hole (7.1) on the circuit board (7), the signal transmission connecting piece (6.3) is welded in the connecting through hole (7.1) through solder, the signal transmission connecting piece (6.3) is electrically connected with a sensing chip (7.2) on the circuit board (7) through a copper foil wire printed on the circuit board (7), and the sensing chip (7.2) is positioned right above the sensing core (4.2); the pin of the joint component (10) is welded on the leading-out sheet (6.6);
step 8, pouring the sealant into the shielding cover (9), and covering the shielding cover (9) on the circuit board (7); the top of the cushion block (8) on the bottom plate (6) passes through the circuit board (7) and then supports the shielding cover (9);
and 9, pressing the upper cover (2) on the shell (1) through a fastening bolt to complete assembly.
2. The actuator assembly process of claim 1, wherein: the process comprises the following steps: in the step 1, a sealing caulking groove is arranged on the pressing surface of the upper cover (2) pressed with the shell (1), a sealing ring is embedded in the sealing caulking groove, and synapses are arranged on the outer wall of the sealing ring, so that the sealing ring cannot fall off during assembly.
3. The actuator assembly process of claim 1, wherein: the process comprises the following steps: in step 2, the electromagnetic driving actuator (3) includes a coil bobbin (3.1) and a coil winding (3.2) wound on the coil bobbin (3.1).
4. The actuator assembly process of claim 1, wherein: the process comprises the following steps: in the step 3, the electromagnetic driving rotor assembly (4) comprises a rotor shaft (4.1) penetrating through the bottom shell wall of the shell (1), a sensing core (4.2) is installed at the top of the rotor shaft (4.1), and a rotating plate (4.3) is fixedly sleeved on the rotor shaft (4.1).
5. The actuator assembly process of claim 1, wherein: the process comprises the following steps: in the step 5, the upper part of the supporting column (5) is made of a magnetism isolating material.
6. The actuator assembly process of claim 1, wherein: the process comprises the following steps: in the step 5, the driving connection metal strip (6.4), the driving connection sheet (6.2) and the corresponding lead-out sheet (6.6) are of an integrated driving signal transmission structure, the signal transmission metal strip (6.5), the signal transmission connection sheet (6.3) and the corresponding lead-out sheet (6.6) are of an integrated sensing signal lead-out structure, and the integrated driving signal transmission structure, the integrated sensing signal lead-out structure and the bottom plate (6) are arranged in the bottom plate (6) in an injection molding mode in a pressing mode.
7. The actuator assembly process of claim 1, wherein: the process comprises the following steps: in the step 6, the driving connecting sheet (6.2) is set to be in a U-shaped structure, and the coil pins are inserted into the U-shaped structure, so that the reliability of subsequent welding is ensured.
8. The actuator assembly process of claim 1, wherein: the process comprises the following steps: in step 7, the welding part of the pin and the leading-out piece (6.6) of the joint component (10) is in a flat structure, so that the welding contact area is increased, and the welding reliability is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130236.XA CN109866017B (en) | 2019-02-21 | 2019-02-21 | Oil quantity actuator assembling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130236.XA CN109866017B (en) | 2019-02-21 | 2019-02-21 | Oil quantity actuator assembling process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109866017A CN109866017A (en) | 2019-06-11 |
| CN109866017B true CN109866017B (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910130236.XA Active CN109866017B (en) | 2019-02-21 | 2019-02-21 | Oil quantity actuator assembling process |
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| CN (1) | CN109866017B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61144509A (en) * | 1984-12-18 | 1986-07-02 | Nippon Denso Co Ltd | Rotating position detector for internal-combustion engine |
| JPH07279807A (en) * | 1994-04-01 | 1995-10-27 | Nippondenso Co Ltd | Ignition distributor for internal combustion engine |
| CN103174570A (en) * | 2013-03-07 | 2013-06-26 | 江阴林格科技有限公司 | Electronically controlled rotary type oil quantity actuator of dispensing pump |
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- 2019-02-21 CN CN201910130236.XA patent/CN109866017B/en active Active
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| CN109866017A (en) | 2019-06-11 |
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Denomination of invention: Assembly process of oil quantity actuator Effective date of registration: 20220609 Granted publication date: 20210601 Pledgee: Qiaoqi sub branch of Jiangsu Jiangyin Rural Commercial Bank Co.,Ltd. Pledgor: JIANGYIN LINGE TECHNOLOGY Co.,Ltd. Registration number: Y2022320010221 |
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