CN106077878A - A kind of VCM voice coil motor automatic soldering device and upper stannum method - Google Patents

Abstract

The invention discloses a VCM voice coil motor automatic tinning device and a tinning method, comprising: a winding machine table, on which several horizontal rotating shafts are arranged side by side, on the winding machine table vertical There are several winding columns corresponding to the ends of the rotating shaft, and a high-temperature soldering furnace is respectively arranged under the rotating shaft, and a carrier assembly jig is arranged at the end of the rotating shaft, and the carrier assembly jig A coil carrier is provided, and several winding needles respectively located above the rotating shaft are also provided on the winding machine table. Through the above method, the VCM voice coil motor automatic tinning device and tinning method according to the present invention use a high-temperature soldering furnace on the winding machine to tinn the wire end of the winding, which not only completes the winding of the coil, but also Finished the tinning of thread ends, improved work efficiency, reduced labor, and laid the foundation for automated production.

Description

A VCM voice coil motor automatic tinning device and tinning method

technical field

The invention relates to the field of voice coil motors, in particular to an automatic tinning device and a tinning method for a VCM voice coil motor.

Background technique

With the rapid development of the mobile phone industry, dual-camera technology has become a must-have camera function for the mainstream models of major mobile phone brands. Therefore, the VCM market demand has increased sharply. VCM voice coil motor manufacturers are facing the increase in market demand and production capacity. But the pressure of market demand.

At present, VCM voice coil motor manufacturers adopt fully manual or semi-automatic production, and fully manual and semi-automatic production lines are currently unable to meet market demand and quality. Therefore, automated production is the best choice. Automated production can not only reduce manufacturing costs and improve production efficiency, but also reduce the rate of manual damage to components and better improve the consistency of product characteristics.

The automated production of VCM voice coil motors requires breakthroughs in various processes, and the welding of the VCM coil and the lower shrapnel is the most difficult process in the entire automated production of VCM voice coil motors.

In the existing welding process of the VCM coil and the lower shrapnel, the wire ends of the coil are arranged manually to the welding position of the lower shrapnel, and then the solder paste is added to the welding position using equipment or manually, and then the heating equipment is used to heat the welding at high temperature. The main defect is the manual finishing of the wire ends of the coil. Since the wire diameter of the coil is D0.045mm, the length of finishing to the welding position is within 1mm. Human eyes cannot directly complete the tinning, and a magnifying glass of more than 30 times is required. The work efficiency is low, but the eyes of the operators are easily tired.

Contents of the invention

The technical problem mainly solved by the present invention is to provide an automatic tinning device and tinning method for a VCM voice coil motor, so as to improve the automation level of the coil tinning process and improve work efficiency.

In order to solve the above-mentioned technical problems, a technical solution adopted by the present invention is to provide a VCM voice coil motor automatic tinning device, comprising: a winding machine table, on which several horizontal rotating shafts are arranged side by side, The winding machine table is vertically provided with several winding columns corresponding to the ends of the rotating shaft, and a high-temperature soldering furnace is respectively arranged under the rotating shaft, and a carrier assembly jig is provided at the end of the rotating shaft , the carrier assembly jig is provided with a coil carrier, and the winding machine table is also provided with several winding needles respectively located above the rotating shaft.

In a preferred embodiment of the present invention, the winding machine is an L-shaped machine, and the L-shaped machine is provided with two briquetting blocks connected by bolts, and the bottom of the two briquetting blocks is provided with a fixing plate for connected, the fixed plate is located below the rotating shaft.

In a preferred embodiment of the present invention, the two ends of the fixing plate are respectively provided with first waist holes, and the first waist holes are provided with first bolts connected with the bottom of the pressing block.

In a preferred embodiment of the present invention, several supporting frames extending axially along the rotating shaft are arranged on the fixing plate, and a U-shaped fork is arranged at the end of the supporting frame, and one side of the U-shaped fork is vertically arranged to a limited extent. The position baffle is provided with a second waist hole.

In a preferred embodiment of the present invention, the high-temperature solder furnace is arranged on a U-shaped fork, and the U-shaped fork and the second waist hole are respectively provided with second bolts connected with the high-temperature solder furnace.

In a preferred embodiment of the present invention, the number of the rotating shafts is 4-8, and the number of high-temperature soldering furnaces is the same as the number of rotating shafts.

In a preferred embodiment of the present invention, the winding machine is provided with a temperature control box connected with a high-temperature solder furnace.

In a preferred embodiment of the present invention, the high-temperature soldering furnaces are respectively located at the ends of the corresponding rotating shafts, and the high-temperature soldering furnaces are respectively provided with temperature detection sensors and heating heating pipes.

In a preferred embodiment of the present invention, an extreme winding column is arranged radially through the rotating shaft.

In order to solve the above technical problems, another technical solution adopted by the present invention is to provide a tinning method, comprising the following steps:

Place the coil carrier in the carrier assembly jig, and then put the carrier assembly jig on the end of the rotating shaft;

Use a winding needle to wind the head of the wire around one end of the extreme winding column, then pull the wire to the high-temperature soldering furnace, use the solder solution on the top of the high-temperature soldering furnace to tin, and at the same time, drive the rotating shaft to rotate forward for several circles, Carry out tinning of the first pole wire;

Raise the winding needle so that the wire is separated from the solder solution, drive the rotating shaft to reverse for several weeks, and use the winding needle to wind the wire at the other end of the extreme winding column for several weeks;

Use the winding needle to pull the wire to the end of the coil carrier, wind it for positioning, and reserve the tinned first pole wire outside the coil carrier;

The winding column retreats, the rotating shaft rotates forward, and the winding of the silk thread on the coil carrier is completed to obtain the silk coil;

Use the winding needle to draw the wire to the high-temperature soldering furnace again, drive the rotating shaft to rotate for several circles, and carry out the tinning of the second pole wire, then the winding needle rises, and pulls the wire at the end of the coil carrier and winds it on the coil The end of the carrier is positioned, and the tinned second pole wire is reserved outside the coil carrier;

The winding machine cuts the wire, removes the carrier assembly jig, and obtains the coil carrier that has been wound, and the coils on the coil carrier have been tinned at both stages.

The beneficial effects of the present invention are: a VCM voice coil motor automatic tinning device and tinning method pointed out by the present invention use a high-temperature soldering furnace on the winding machine to tinn the wire end of the winding, which not only completes the coil Winding, and the tinning of the thread end is completed, which improves work efficiency, reduces labor, and lays the foundation for automated production.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work, wherein:

Fig. 1 is the structural representation of a preferred embodiment of a VCM voice coil motor automatic tinning device and tinning method of the present invention;

Figure 2 is an exploded view of Figure 1;

Fig. 3 is a schematic structural view of the high-temperature soldering furnace in Fig. 1;

Fig. 4 is a schematic structural diagram of the support frame in Fig. 2 .

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1 to Fig. 4, the embodiment of the present invention comprises:

An automatic tinning device for a VCM voice coil motor, comprising: a winding machine 1, several horizontal rotating shafts 11 are arranged side by side on the winding machine 1, the number of the rotating shafts 11 is 4 to 8, Choose a domestic or imported brand 4 to 8-axis winding machine as the winding machine 1.

The winding machine 1 is vertically provided with several winding posts 12 respectively corresponding to the ends of the rotating shaft 11, and a high-temperature soldering furnace 5 is correspondingly arranged below the rotating shaft 11, and the number of high-temperature soldering furnaces 5 and The number of rotating shafts 11 is the same, one-to-one correspondence.

The shell of the high-temperature soldering furnace 5 is made of titanium alloy material, and is filled with solder. The winding machine 1 is provided with a temperature control box 4 connected with the high-temperature soldering furnace 5 . The high-temperature soldering furnaces 5 are respectively located at the ends of the corresponding rotating shafts 11. The high-temperature soldering furnaces 5 are respectively provided with temperature detection sensors 51 and heating heating pipes 52. The bottom of the high-temperature soldering furnaces 5 is provided with temperature detection The positioning holes of the sensor 51 and the heating heating pipe 52 are connected linearly with the temperature detection sensor 51 and the heating heating pipe 52 through the temperature control box 4 to control the heating temperature of the high-temperature soldering furnace 5, which is flexible in control and conducive to automatic production.

The end of the rotating shaft 11 is provided with a carrier assembly jig 7, the carrier assembling jig 7 is provided with a coil carrier 8, and the winding machine 1 is also provided with several winding wires respectively located above the rotating shaft 11. The needle, which is not shown in the drawings, belongs to the self-contained device of the winding machine.

The winding machine 1 is an L-shaped machine, and two briquetting blocks 2 are arranged on the bolt connection on the L-shaped machine, and the bottom of the two briquetting blocks 2 is provided with a fixing plate 3 for connection, and the fixing plate 3 is located below the rotating shaft 11.

Both ends of the fixing plate 3 are respectively provided with a first waist hole 31 , and the first waist hole 31 is provided with a first bolt connected with the bottom of the pressing block 2 . The fixed plate 3 is provided with several support frames 6 extending axially along the rotating shaft 11, the ends of the support frames 6 are provided with a U-shaped fork 62, and one side of the U-shaped fork 62 is vertically provided with a limit baffle 63 , the limit baffle 63 is provided with a second waist hole 64 . The front end of the support frame 6 is also provided with a mounting hole 61, which is convenient for fixing with the fixing plate 3 and is easy to replace. The fixing plate 3 is provided with a row of corresponding connection holes.

The high-temperature soldering furnace 5 is arranged on the U-shaped fork 62, and the second bolts connected with the high-temperature soldering furnace 5 are respectively arranged on the U-shaped fork 62 and the second waist hole 64, and the installation and disassembly are flexible, and the fixing effect is excellent. Well, it is stable to use.

An extreme winding post 13 is arranged radially through the rotating shaft 11, and rotates with the rotating shaft 11 to facilitate winding.

A tinning method, comprising the following steps:

Place the coil carrier 8 in the carrier assembly jig 7, and then put the carrier assembly jig 7 on the end of the rotating shaft 11;

Utilize the winding needle to wrap the head of the silk thread around one end of the extreme winding post 13, then pull the thread onto the high-temperature soldering furnace 5, utilize the solder solution on the top of the high-temperature soldering furnace 5 to carry out tinning, and at the same time, drive the rotating shaft 11 to normal Rotate for several weeks to tin the first pole wire;

Raise the wire winding needle so that the wire is separated from the solder solution, drive the rotating shaft 11 to reverse for several cycles, and use the wire winding needle to wind the wire at the other end of the extreme winding column 13 for several cycles;

Use a winding needle to draw the wire to the end of the coil carrier 8, wind it for positioning, and reserve the tinned first pole wire outside the coil carrier 8;

The winding post 12 retreats, the rotating shaft 11 rotates forward, and the winding of the silk thread on the coil carrier 8 is completed to obtain the silk loop;

Utilize the wire winding needle to pull the wire to the high-temperature soldering furnace 5 again, drive the rotating shaft 11 to rotate for several circles, carry out the tinning of the second pole wire, then the wire winding needle rises, and pulls the wire on the end of the coil carrier 8, Wrap around the end of the coil carrier 8 for positioning, and reserve the tinned second pole wire outside the coil carrier 8;

The winding machine 1 cuts the wire, removes the carrier assembly jig 7, and obtains the coil carrier with the winding completed, and the coil on the coil carrier 8 has been tinned at both stages.

To sum up, the present invention points out a VCM voice coil motor automatic tinning device and tinning method. During the coil winding process, the head is tinned, which improves work efficiency, has a high degree of automation, and reduces labor costs. .

The above descriptions are only examples of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the description of the present invention, or directly or indirectly used in other related technical fields, shall be The same reasoning is included in the patent protection scope of the present invention.

Claims (10)

1. A VCM voice coil motor automatic tinning device, comprising: a winding machine, it is characterized in that several horizontal rotating shafts are arranged side by side on the described winding machine, vertically set on the described winding machine There are several winding posts respectively corresponding to the ends of the rotating shaft, and a high-temperature soldering furnace is correspondingly arranged under the rotating shaft, and a carrier assembly jig is provided at the end of the rotating shaft, and a carrier assembly jig is provided on the carrier assembly jig. The coil carrier, the winding machine table is also provided with several winding needles respectively located above the rotating shaft. 2. The automatic tinning device for VCM voice coil motor according to claim 1, characterized in that, the winding machine is an L-shaped machine, and the bolts on the L-shaped machine are provided with two briquetting blocks, The bottoms of the two pressure blocks are connected with a fixed plate, and the fixed plate is located below the rotating shaft. 3. The automatic tinning device for VCM voice coil motor according to claim 2, characterized in that, the two ends of the fixing plate are respectively provided with first waist holes, and the first waist holes are provided with the bottom of the pressing block. connected with the first bolt. 4. The automatic tinning device for VCM voice coil motor according to claim 2, characterized in that, the fixed plate is provided with several support frames extending axially along the rotation axis, and the end of the support frame is provided with a U-shaped Fork, a limit baffle is vertically arranged on one side of the U-shaped fork, and a second waist hole is arranged on the limit baffle. 5. The automatic tinning device for VCM voice coil motor according to claim 4, characterized in that, the high-temperature solder furnace is set on the U-shaped fork, and the U-shaped fork and the second waist hole are respectively provided with high-temperature The second bolt that connects the solder pot. 6. The automatic tinning device for a VCM voice coil motor according to claim 1, wherein the number of the rotating shafts is 4-8, and the number of high-temperature soldering furnaces is the same as the number of rotating shafts. 7. The automatic tinning device for VCM voice coil motor according to claim 1, characterized in that, the winding machine is provided with a temperature control box connected with a high-temperature soldering furnace. 8. The automatic tinning device for VCM voice coil motor according to claim 1, characterized in that, the high-temperature soldering furnaces are respectively located at the ends of the corresponding rotating shafts, and the high-temperature soldering furnaces are respectively equipped with temperature detection Sensors and heating tubes. 9 . The automatic tinning device for VCM voice coil motor according to claim 1 , wherein an extreme winding post is arranged radially through the rotating shaft. 10 . 10. A tinning method utilizing the VCM voice coil motor automatic tinning device described in any one of claims 1 to 9, characterized in that, comprising the following steps: Place the coil carrier in the carrier assembly jig, and then put the carrier assembly jig on the end of the rotating shaft; Use a winding needle to wind the head of the wire around one end of the extreme winding column, then pull the wire to the high-temperature soldering furnace, use the solder solution on the top of the high-temperature soldering furnace to tin, and at the same time, drive the rotating shaft to rotate forward for several circles, Carry out tinning of the first pole wire; Raise the winding needle so that the wire is separated from the solder solution, drive the rotating shaft to reverse for several weeks, and use the winding needle to wind the wire at the other end of the extreme winding column for several weeks; Use the winding needle to pull the wire to the end of the coil carrier, wind it for positioning, and reserve the tinned first pole wire outside the coil carrier; The winding column retreats, the rotating shaft rotates forward, and the winding of the silk thread on the coil carrier is completed to obtain the silk loop; Use the winding needle to draw the wire to the high-temperature soldering furnace again, drive the rotating shaft to rotate for several circles, and carry out the tinning of the second pole wire, then the winding needle rises, and pulls the wire at the end of the coil carrier and winds it on the coil The end of the carrier is positioned, and the tinned second pole wire is reserved outside the coil carrier; The winding machine cuts the wire, removes the carrier assembly jig, and obtains the coil carrier that has been wound, and the coils on the coil carrier have been tinned at both stages.