Production jig for automatic focusing motor
By setting a motor limiting component and a magnet placement through hole on the fixture substrate, combined with the magnetic connection of the telescopic clamping component, the problem that the existing automatic focusing motor production fixture cannot be mass-produced is solved, and efficient mass production and stable connection are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO JCT ELECTRONICS
- Filing Date
- 2025-05-12
- Publication Date
- 2026-05-19
AI Technical Summary
Existing production fixtures for autofocus motors cannot achieve mass production, resulting in low production efficiency and failing to meet the demands of high-efficiency production.
A production fixture comprising a fixture base plate, a magnet mounting plate, and a clamping and fixing plate is designed. By setting a motor limiting component and a magnet placement through hole on the fixture base plate, a stable connection between the motor housing and the spring sheet is achieved by magnetic attraction, and batch clamping assembly is achieved by telescopic clamping component.
It improves the production efficiency of autofocus motors, enables mass production, enhances production efficiency and connection stability, and simplifies the installation process of the motor housing and spring.
Smart Images
Figure CN224255198U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor manufacturing technology, and in particular to a production fixture for an automatic focusing motor. Background Technology
[0002] An autofocus motor is a key component in a camera or video recording device, responsible for automatically adjusting the lens's focal length to ensure the subject is in sharp focus. Production fixtures for autofocus motors are devices specifically designed for autofocus motor design, intended to assist and stabilize the assembly, testing, and adjustment of the autofocus motor during the production process.
[0003] Existing production fixtures for autofocus motors cannot achieve mass production of autofocus motors, resulting in low production efficiency and failing to meet the demands for high-efficiency production. Utility Model Content
[0004] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a production fixture for autofocus motors, which can improve the production efficiency of autofocus motors and achieve mass production.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a production fixture for an automatic focusing motor, comprising a fixture base plate, a magnet mounting plate, and a clamping and fixing plate;
[0006] The upper surface of the fixture base plate is provided with several sets of motor limiting components. The motor limiting components include bottom shell limiting members. The shape of the bottom shell limiting members is adapted to the shape of the bottom shell of the autofocus motor. The bottom shell of the motor is sleeved on the outside of the bottom shell limiting members.
[0007] The fixture substrate has several through holes for placing magnets. Each of the through holes for placing magnets is evenly distributed on the outside of each of the bottom shell limiting members. A first magnet is fixedly embedded in each through hole for placing magnets. The lower end of the motor bottom shell extends into the through hole for placing magnets and is magnetically connected to the first magnet. A spring is provided at the lower end of the motor bottom shell.
[0008] The bottom shell limiting member has a telescopic pressing channel through the middle. The magnetic mounting plate is fixedly embedded in the lower end of the fixture base plate. The magnetic mounting plate has several magnetic connection openings. The magnetic connection openings are located directly below the telescopic pressing channel. A second magnet is fixedly embedded in the magnetic connection opening.
[0009] The clamping and fixing plate is located below the fixture base plate. The clamping and fixing plate has several telescopic grooves. A telescopic clamping assembly is slidably connected in the telescopic grooves. The telescopic clamping assembly includes a clamping block and a clamping rod. The clamping rod is fixed to the upper end of the clamping block and extends vertically into the telescopic clamping channel. The clamping rod is made of ferromagnetic material.
[0010] When the clamping rod is attracted and pressed by the second magnet, it drives the clamping block to press vertically upward until the upper end face of the clamping block abuts against the lower end face of the spring piece, so as to press the spring piece against the motor base.
[0011] Furthermore, the fixture substrate has a plurality of ejection through holes, each ejection through hole being evenly distributed on the outer side of each bottom shell limiting member. The lower end of the fixture substrate is provided with an ejection mechanism, and the drive output end of the ejection mechanism is provided with a plurality of ejection rods, the ejection rods extending into the ejection through holes.
[0012] After the clamping block has finished clamping the spring sheet and the motor base, the ejection mechanism drives each of the ejection rods to push the clamping block upward.
[0013] Furthermore, the outer side of the clamping block is provided with several ejection grooves, the ejection grooves are adapted to the shape of the ejection rod, and when the ejection rod moves upward, the ejection rod is located in the ejection groove.
[0014] Furthermore, each corner of the fixture base plate is provided with a positioning hole, and a positioning pin is inserted into each positioning hole. The positioning pin is used to position the spring piece.
[0015] Furthermore, a plurality of placement slots are evenly provided on the outer side of the fixture substrate, and a third magnet is fixedly embedded in the placement slot. The third magnet is magnetically connected to the limiting mechanism on the automatic focusing motor production line.
[0016] Furthermore, the motor limiting assembly also includes several bottom shell limiting strips, each of which is evenly distributed on the outer side of the motor bottom shell and fits against the motor bottom shell.
[0017] Furthermore, the clamping and fixing plate is provided with a plurality of lifting limit rods inside, the lifting limit rods are parallel to each other, the clamping block is provided with a movable through hole in the transverse direction, the lifting limit rod passes through each of the movable through holes that are on the same straight line, and the diameter of the movable through hole is larger than the cross-sectional diameter of the lifting limit rod.
[0018] Furthermore, a buffer pad is provided on the lower end face of the clamping block.
[0019] The beneficial effects of this utility model are:
[0020] This utility model sets several motor limiting components on the fixture substrate to limit the motor bottom shell and spring sheet of the autofocus motor. Then, it opens a magnet placement through hole on the fixture substrate and embeds a first magnet inside the magnet placement through hole to magnetically connect the motor housing, thereby improving the connection stability of the motor housing.
[0021] Meanwhile, this utility model utilizes the magnetic attraction between several telescopic clamping components on the clamping plate and the second magnet inside the bottom shell limiting component to realize the magnetic clamping between the motor housing and the spring piece by the clamping block, thereby realizing the batch clamping assembly of several autofocus motors, improving the production efficiency of autofocus motors, and realizing mass production. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the production fixture in this utility model;
[0023] Figure 2 This is an enlarged structural diagram of point A in this utility model;
[0024] Figure 3 This is a schematic diagram of the bottom of the fixture base plate in this utility model;
[0025] Figure 4 This is a schematic diagram of the structure of the clamping and fixing plate in this utility model.
[0026] Reference numerals: 1. Fixture base plate; 2. Magnet mounting plate; 3. Pressing and fixing plate; 4. Motor limiting assembly; 41. Bottom shell limiting component; 42. Bottom shell limiting strip; 5. Magnet placement through hole; 6. Telescopic pressing channel; 8. Telescopic pressing assembly; 81. Pressing block; 82. Pressing rod; 83. Ejection groove; 9. Ejection through hole; 10. Positioning pin; 11. Placement groove; 12. Lifting limiting rod; 13. Movable through hole; 15. Magnetic connection opening. Detailed Implementation
[0027] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.
[0028] Example 1, referring to Figures 1-3 This is the first embodiment of the present invention. This embodiment provides a production fixture for an autofocus motor, which can improve the production efficiency of the autofocus motor and realize mass production. It includes a fixture base plate 1, a magnet mounting plate 2 and a clamping and fixing plate 3.
[0029] The upper surface of the fixture base plate 1 is provided with several sets of motor limiting components 4. The motor limiting components 4 include a bottom shell limiting member 41. The shape of the bottom shell limiting member 41 is adapted to the shape of the bottom shell of the autofocus motor. The bottom shell of the motor is sleeved on the outside of the bottom shell limiting member 41.
[0030] The fixture base plate 1 has several magnet placement through holes 5. Each magnet placement through hole 5 is evenly distributed on the outside of each bottom shell limiting member 41. A first magnet is fixedly embedded in the magnet placement through hole 5. The lower end of the motor bottom shell extends into the magnet placement through hole 5 and is magnetically connected to the first magnet. A spring is provided at the lower end of the motor bottom shell.
[0031] A telescopic pressing channel 6 is provided through the middle of the bottom shell limiting member 41. The magnet mounting plate 2 is fixedly embedded in the lower end of the fixture base plate 1. Several magnetic connection openings 15 are opened on the magnet mounting plate 2. The magnetic connection openings 15 are located directly below the telescopic pressing channel 6. A second magnet is fixedly embedded in the magnetic connection openings 15.
[0032] The clamping and fixing plate 3 is located below the fixture base plate 1. Several telescopic grooves are provided on the clamping and fixing plate 3. A telescopic clamping assembly 8 is slidably connected in the telescopic grooves. The telescopic clamping assembly 8 includes a clamping block 81 and a clamping rod 82. The clamping rod 82 is fixed to the upper end of the clamping block 81. The clamping rod 82 extends vertically into the telescopic clamping channel 6. The clamping rod 82 is made of ferromagnetic material.
[0033] When the clamping rod 82 is attracted and pressed by the second magnet, it drives the clamping block 81 to press vertically upward until the upper end face of the clamping block 81 abuts against the lower end face of the spring piece, so as to press the spring piece against the motor base.
[0034] Specifically, in this embodiment, the clamping and fixing plate 3 is gripped and hoisted above the fixture base plate 1 by the production tooling on the automatic focusing motor production line. In this embodiment, each bottom shell limiting member 41 corresponds to two magnet placement through holes 5.
[0035] Working principle of Example 1:
[0036] First, the gripping device on the autofocus motor production line places each motor housing on the corresponding bottom housing limiter 41. Then, the lower end of the motor housing is magnetically connected to the magnet placement through hole 5. Next, the gripping device on the autofocus motor production line places each spring on the upper end of the corresponding motor housing. Then, each clamping rod 82 on the clamping plate 3 is attracted and clamped by the second magnet, causing the clamping block 81 to descend vertically until the lower end face of the clamping block 81 abuts against the upper end face of the spring, thus clamping the spring and the motor bottom housing.
[0037] In this embodiment, several motor limiting components 4 are set on the fixture substrate 1 to limit the motor bottom shell and spring sheet of the autofocus motor. Then, a magnet placement through hole 5 is opened on the fixture substrate 1, and a first magnet is embedded in the magnet placement through hole 5 to magnetically connect the motor housing, thereby improving the connection stability of the motor housing.
[0038] Meanwhile, this embodiment utilizes the magnetic attraction between the several telescopic clamping components 8 on the clamping and fixing plate 3 and the second magnet inside the bottom shell limiting component 41 to realize the magnetic clamping between the motor housing and the spring sheet by the clamping block 81, thereby realizing the batch clamping and assembly of several autofocus motors, improving the production efficiency of autofocus motors, and realizing mass production.
[0039] Example 2, refer to Figure 2 This is the second embodiment of the present invention. Unlike the previous embodiment, this embodiment can achieve quick separation between the clamping block 81 and the spring sheet after clamping. The fixture base plate 1 is provided with a plurality of ejection through holes 9. Each ejection through hole 9 is evenly distributed on the outside of each bottom shell limiting member 41. The lower end of the fixture base plate 1 is provided with an ejection mechanism. The drive output end of the ejection mechanism is provided with a plurality of ejection rods. The ejection rods extend into the ejection through holes 9.
[0040] Working principle of Example 2:
[0041] The outer side of the bottom shell limiting member 41 is provided with two ejection through holes 9. After the pressing block 81 has finished pressing the spring piece and the motor bottom shell, the ejection mechanism drives each ejection rod to eject the pressing block 81 upward, so that the pressing block 81 moves upward and quickly separates from the spring piece.
[0042] Preferred, refer to Figure 3 The outer side of the clamping block 81 is provided with several ejection grooves 83. The ejection grooves 83 are adapted to the shape of the ejection rod. When the ejection rod moves upward, the ejection rod is located in the ejection groove 83.
[0043] Specifically, in this embodiment, by opening an ejection groove 83 on the outer side of the clamping block 81, the ejection rod abuts against the ejection groove 83 when it moves upward, thus preventing the ejection rod from damaging the rest of the clamping block 81. At the same time, the shape of the ejection groove 83 and the ejection rod are adapted to make the upward ejection process more stable.
[0044] Preferably, each corner of the fixture base plate 1 is provided with a positioning hole, and a positioning pin 10 is inserted into each positioning hole. The positioning pin 10 is used to position the spring piece.
[0045] Specifically, in this embodiment, by inserting positioning pins 10 at each corner of the fixture base plate 1, the positioning of the spring sheet of the autofocus motor during installation is achieved, thereby improving the accuracy of the spring sheet installation.
[0046] Preferably, a plurality of placement grooves 11 are evenly provided on the outer side of the fixture base plate 1, and a third magnet is fixedly embedded in the placement groove 11. The third magnet is magnetically connected to the limiting mechanism on the automatic focusing motor production line.
[0047] Specifically, in this embodiment, the fixture base plate 1 has placement slots 11 on three sides. By placing a third magnet in the placement slot 11, the limiting mechanism on the autofocus motor production line is connected by magnetic attraction of the third magnet, realizing the quick installation and disassembly of the limiting mechanism and the fixture base plate 1. When all the motor housings and springs on a fixture base plate 1 are installed at the same time, the installation of motor housings and springs on the next fixture base plate 1 can be carried out quickly and conveniently, further improving the production efficiency of the autofocus motor.
[0048] Preferably, the motor limiting assembly 4 further includes a plurality of bottom shell limiting strips 42, each bottom shell limiting strip 42 being evenly distributed on the outer side of the motor bottom shell and fitting against the motor bottom shell.
[0049] Specifically, in this embodiment, the bottom shell limiting strip 42 is evenly distributed on the outside of the bottom shell limiting member 41, which can limit the outer side of the motor housing and improve the connection stability between the motor housing and the fixture substrate 1.
[0050] Example 3, referring to Figure 4 This is the third embodiment of the present invention. Unlike the previous embodiment, this embodiment provides a lifting limit rod 12, which can limit the extension and retraction of the pressing rod 82 in the vertical direction. The pressing and fixing plate 3 is provided with a plurality of lifting limit rods 12, which are parallel to each other. The pressing block 81 is provided with a movable through hole 13 in the horizontal direction. The lifting limit rod 12 passes through each movable through hole 13 that is on the same straight line. The diameter of the movable through hole 13 is larger than the cross-sectional diameter of the lifting limit rod 12.
[0051] Working principle of Example 3:
[0052] When the clamping rod 82 is attracted and moves downward until the lower end face of the clamping block 81 is in contact with the upper end face of the spring, the lifting limit rod 12 touches the bottom wall of the movable through hole 13 and the clamping rod 82 can no longer move downward. At this time, the lower end face of the clamping block 81 is in contact with the upper end face of the spring. When the clamping block 81 is pushed upward by the push rod, the lifting limit rod 12 touches the top wall of the movable through hole 13 and the clamping block 81 can no longer move upward. Therefore, the cooperation between the movable through hole 13 and the lifting limit rod 12 realizes the limitation of the vertical extension and retraction stroke of the clamping rod 82.
[0053] Preferably, the lower end face of the clamping block 81 is provided with a buffer pad.
[0054] Specifically, in this embodiment, by providing a buffer pad on the lower end face of the clamping block 81, buffering is achieved when the clamping block 81 moves to contact the spring sheet, which can effectively prevent damage to the spring sheet while ensuring the clamping effect.
[0055] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within its protection scope.
Claims
1. A production fixture for an automatic focusing motor, characterized in that, It includes a fixture base plate (1), a magnet mounting plate (2), and a clamping and fixing plate (3); The upper surface of the fixture base plate (1) is provided with several sets of motor limiting components (4). The motor limiting component (4) includes a bottom shell limiting member (41). The shape of the bottom shell limiting member (41) is adapted to the shape of the bottom shell of the autofocus motor. The bottom shell of the motor is sleeved on the outside of the bottom shell limiting member (41). The fixture base plate (1) has a plurality of magnet placement through holes (5) through it. Each magnet placement through hole (5) is evenly distributed on the outside of each bottom shell limiting member (41). A first magnet is fixedly embedded in the magnet placement through hole (5). The lower end of the motor bottom shell extends into the magnet placement through hole (5) and is magnetically connected to the first magnet. A spring is provided at the lower end of the motor bottom shell. The bottom shell limiting member (41) has a telescopic pressing channel (6) through the middle. The magnet mounting plate (2) is fixedly embedded in the lower end of the jig base plate (1). The magnet mounting plate (2) has several magnetic connection openings (15). The magnetic connection openings (15) are located directly below the telescopic pressing channel (6). A second magnet is fixedly embedded in the magnetic connection opening (15). The clamping and fixing plate (3) is located below the fixture base plate (1). The clamping and fixing plate (3) has several telescopic grooves. A telescopic clamping assembly (8) is slidably connected in the telescopic grooves. The telescopic clamping assembly (8) includes a clamping block (81) and a clamping rod (82). The clamping rod (82) is fixed to the upper end of the clamping block (81). The clamping rod (82) extends vertically into the telescopic clamping channel (6). The clamping rod (82) is made of ferromagnetic material. When the clamping rod (82) is attracted and pressed by the second magnet, it drives the clamping block (81) to press vertically upward until the upper end face of the clamping block (81) abuts against the lower end face of the spring piece, so as to press the spring piece against the motor base.
2. The production fixture for an automatic focusing motor according to claim 1, characterized in that: The fixture base plate (1) has a plurality of ejection through holes (9) through it. Each ejection through hole (9) is evenly distributed on the outside of each bottom shell limiting member (41). The lower end of the fixture base plate (1) is provided with an ejection mechanism. The drive output end of the ejection mechanism is provided with a plurality of ejection rods. The ejection rods extend into the ejection through holes (9). After the clamping block (81) has finished clamping the spring sheet and the motor base, the ejection mechanism drives each ejection rod to eject the clamping block (81) upward.
3. The production fixture for an automatic focusing motor according to claim 2, characterized in that: The outer side of the clamping block (81) is provided with several ejection grooves (83), and the ejection grooves (83) are adapted to the shape of the ejection rod. When the ejection rod moves upward, the ejection rod is located in the ejection groove (83).
4. The production fixture for an automatic focusing motor according to claim 1, characterized in that: The fixture base plate (1) has positioning holes at each corner, and a positioning pin (10) is inserted into each positioning hole. The positioning pin (10) is used to position the spring piece.
5. The production fixture for an automatic focusing motor according to claim 1, characterized in that: The outer side of the fixture base plate (1) is provided with a plurality of placement slots (11), and a third magnet is fixedly embedded in the placement slot (11). The third magnet is magnetically connected to the limiting mechanism on the automatic focusing motor production line.
6. The production fixture for an automatic focusing motor according to claim 1, characterized in that: The motor limiting assembly (4) also includes several bottom shell limiting strips (42), each of which is evenly distributed on the outside of the motor bottom shell and fits against the motor bottom shell.
7. The production fixture for an autofocus motor according to claim 1, characterized in that: The clamping and fixing plate (3) is provided with a plurality of lifting limit rods (12) inside, and the lifting limit rods (12) are parallel to each other. The clamping block (81) is provided with a movable through hole (13) in the transverse direction. The lifting limit rod (12) passes through each of the movable through holes (13) that are on the same straight line. The diameter of the movable through hole (13) is larger than the cross-sectional diameter of the lifting limit rod (12).
8. The production fixture for an automatic focusing motor according to claim 1, characterized in that: The lower end face of the clamping block (81) is provided with a buffer pad.