CN210781360U - Voice coil stretching forming machine - Google Patents
Voice coil stretching forming machine Download PDFInfo
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- CN210781360U CN210781360U CN201921739770.2U CN201921739770U CN210781360U CN 210781360 U CN210781360 U CN 210781360U CN 201921739770 U CN201921739770 U CN 201921739770U CN 210781360 U CN210781360 U CN 210781360U
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Abstract
The utility model relates to the technical field of voice coil manufacturing, in particular to a voice coil stretching forming machine, which comprises a frame, wherein a stretching jig for stretching and deforming the voice coil, a lifting device for pushing the voice coil out of the stretching jig, a stretching device for controlling the stretching jig to stretch the voice coil and a shaping device for shaping the stretched voice coil are arranged on the frame; the shaping device comprises a first sliding table arranged above the stretching jig, a first driving mechanism used for controlling the first sliding table to lift, a shaping jig which is detachably arranged at the bottom of the first sliding table and used for shaping the stretched voice coil, and a photoelectric sensing piece used for sensing whether the voice coil is arranged on the shaping jig or not. The utility model provides a pair of stretch forming machine of voice coil loudspeaker voice coil adopts the mode of stretching the voice coil loudspeaker voice coil of basic shape and finalizing the design again, produces the voice coil loudspeaker voice coil of different shapes, has avoided adopting different voice coil loudspeaker voice coil module wire winding preparation and the wire winding that appears is inhomogeneous and the slow problem of wire winding speed.
Description
Technical Field
The utility model belongs to the technical field of the voice coil loudspeaker voice coil manufacturing technology and specifically relates to indicate a tensile forming machine of voice coil loudspeaker voice coil.
Background
When the voice coil loudspeaker voice coil in the music equipment need be convoluteed out different shapes, it must rely on the voice coil loudspeaker voice coil module of different shapes to finalize the design wire winding shaping to it makes slowly, and is inefficient, and the effect of finalizing the design simultaneously is also poor, can not satisfy enterprise batch production's demand. Afterwards, in order to further satisfy the demand of enterprise, some semi-automatic coil winding machines have appeared on the market, and it is mainly through installing the voice coil module and carry out quick wire winding, nevertheless because the needs of the different shapes of voice coil, the semi-automatic coil winding machine that leads to on the market now still must install the voice coil module of different shapes and stereotype the wire winding, and is with high costs. And because the winding speeds of the voice coils in different shapes are inconsistent, the phenomena of non-uniform winding, low winding speed, low efficiency and poor quality effect of the voice coils are easily caused.
Disclosure of Invention
The utility model discloses problem to prior art provides a tensile make-up machine of voice coil loudspeaker voice coil, adopts the mode of stretching the voice coil loudspeaker voice coil of basic shape and finalizing the design again, produces the voice coil loudspeaker voice coil of different shapes, has avoided adopting different voice coil loudspeaker voice coil module wire winding preparation and the wire winding that appears is inhomogeneous and the slow problem of wire winding speed, can effectively improve the efficiency and the production yield of voice coil loudspeaker voice coil production.
In order to solve the technical problem, the utility model discloses a following technical scheme: a voice coil stretching forming machine comprises a rack, wherein a stretching jig used for stretching and deforming the voice coil, a lifting device used for pushing the voice coil out of the stretching jig, a stretching device used for controlling the stretching jig to stretch the voice coil and a forming device used for forming the stretched voice coil are arranged on the rack; the shaping device comprises a first sliding table arranged above the stretching jig, a first driving mechanism used for controlling the first sliding table to lift, a shaping jig which is detachably arranged at the bottom of the first sliding table and used for shaping the stretched voice coil, and a photoelectric sensing piece used for sensing whether the voice coil is arranged on the shaping jig or not.
Preferably, the frame facial make-up is equipped with first fixing base, a drive mechanism is fixed in the top of first fixing base, first slip table and first fixing base sliding connection, the bottom of first fixing base is equipped with first stopper, first slip table is equipped with the second stopper, the second stopper is located directly over first stopper.
Preferably, tensile tool includes first tensile post, the tensile post of second and tensile base, be equipped with the via hole on the tensile base, first tensile post and the equal activity of the tensile post of second set up in the via hole, first tensile bottom of the column portion is fixed with first base, the tensile bottom of the column portion of second is fixed with the second base, first base and second base all set up in tensile base bottom, first base is connected with stretching device.
Preferably, a second fixed seat is arranged on the rack, a guide rail is arranged at the top of the second fixed seat, and the stretching device comprises a second sliding table connected with the guide rail in a sliding manner and a second driving mechanism used for driving the second sliding table to slide on the guide rail; the second sliding table is connected with the first base, and the second base is fixed on the second fixed seat.
Preferably, the second driving mechanism comprises a first driving motor, a first lead screw in driving connection with an output end of the first driving motor, a first nut seat sleeved on the periphery of the first lead screw and in threaded connection with the first lead screw, a moving block connected with the first nut seat, and a connecting block used for connecting the moving block with the second sliding table, supporting seats are arranged at two ends of the first lead screw, the first lead screw is rotatably arranged on the supporting seats, and the supporting seats are fixed on the frame.
Preferably, a support frame is arranged at the bottom of the second fixed seat, and the lifting device comprises a synchronous belt mechanism, a screw rod transmission mechanism and a second driving motor detachably arranged on the support frame; the synchronous belt mechanism comprises a driving wheel, a driven wheel and a synchronous belt sleeved on the driving wheel and the driven wheel, the driving wheel is in transmission connection with the driven wheel through the synchronous belt, and the driving wheel is in driving connection with the output end of the second driving motor; the screw rod transmission mechanism comprises a second screw rod, a second nut seat sleeved on the periphery of the second screw rod and in threaded connection with the second screw rod, and a lifting plate detachably arranged above the second nut seat, one end of the second screw rod is connected with a shaft core of a driven wheel, the other end of the second screw rod is rotatably connected with the bottom of a second fixing seat, lifting columns are detachably arranged at the two ends of the lifting plate, lifting bases are arranged on the two sides of the stretching base, and the lifting columns are connected with the lifting bases after penetrating through the second fixing seat.
Preferably, the two sides of the lifting plate are both provided with clamping grooves, the lifting column comprises a first cylindrical portion, a second cylindrical portion and a connecting plate used for connecting the first cylindrical portion and the second cylindrical portion, the connecting plate is embedded in the clamping grooves, and one side of the first cylindrical portion close to the lifting plate and one side of the second cylindrical portion close to the lifting plate are both abutted to the lifting plate.
The utility model has the advantages that:
the utility model provides a pair of tensile make-up machine of voice coil loudspeaker voice coil, the staff places basic cylindrical voice coil loudspeaker voice coil on tensile tool, by tensile tool of stretching device control with the tensile deformation of voice coil loudspeaker voice coil, release tensile tool with the voice coil loudspeaker voice coil by elevating gear after that, the first slip table of first actuating mechanism drive through setting device after that descends, and then control setting tool is stereotyped the voice coil loudspeaker voice coil for the target configuration, the voice coil loudspeaker voice coil cover is on setting tool this moment, first actuating mechanism redrives first slip table and rises, the in-process that rises of first slip table, when the cover was equipped with the voice coil loudspeaker voice coil on setting tool was sensed to photoelectric sensing spare, then send inductive signal, stop first slip table, the tensile deformation work of voice coil loudspeaker voice coil is just accomplished to the voice coil loudspeaker voice. This tensile make-up machine of voice coil loudspeaker voice coil adopts the mode of carrying out tensile re-design with the voice coil loudspeaker voice coil of basic shape, produce the voice coil loudspeaker voice coil of different shapes, avoided adopting different voice coil loudspeaker voice coil module wire winding preparation and the inhomogeneous and slow problem of wire winding speed of wire winding that appears, can effectively improve the efficiency and the production yield of voice coil loudspeaker voice coil production, and whether there is the voice coil loudspeaker voice coil of stereotyping on the response design tool through the photoelectric sensing spare, improve the intellectuality of voice coil loudspeaker voice coil production process, reduce staff's work load, further improved production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is a front view of fig. 1.
Fig. 4 is a left side view of fig. 1.
The reference numerals in fig. 1 to 4 include:
1-a frame, 11-a first fixed seat, 12-a second fixed seat, 111-a first limiting block, 121-a guide rail, 122-a support frame, 2-a stretching jig, 21-a first stretching column, 22-a second stretching column, 23-a stretching base, 211-a first base, 221-a second base, 231-a via hole, 232-a lifting base, 3-a lifting device, 31-a synchronous belt mechanism, 32-a screw rod transmission mechanism, 33-a second driving motor, 311-a driving wheel, 312-a driven wheel, 313-a synchronous belt, 321-a second screw rod, 322-a second nut seat, 323-a lifting plate, 324-a lifting column, 325-a clamping groove, 326-a first cylindrical part, 327-a second cylindrical part and 328-a connecting plate, 4-stretching device, 41-second sliding table, 42-second driving mechanism, 421-first driving motor, 422-first screw rod, 423-first nut seat, 424-moving block, 425-connecting block, 426-supporting seat, 5-shaping device, 51-first sliding table, 52-first driving mechanism, 53-shaping jig, 54-photoelectric sensing element and 511-second limiting block.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
The stretch forming machine for a voice coil provided in this embodiment, as shown in fig. 1, fig. 3, and fig. 4, includes a frame 1, where the frame 1 is provided with a stretching jig 2 for stretching and deforming the voice coil, a lifting device 3 for pushing the voice coil out of the stretching jig 2, a stretching device 4 for controlling the stretching jig 2 to stretch the voice coil, and a shaping device 5 for shaping the stretched voice coil; the shaping device 5 comprises a first sliding table 51 arranged above the stretching jig 2, a first driving mechanism 52 used for controlling the first sliding table 51 to ascend and descend, a shaping jig 53 detachably arranged at the bottom of the first sliding table 51 and used for shaping the stretched voice coil, and a photoelectric sensing piece 54 used for sensing whether the voice coil is arranged on the shaping jig 53 or not.
Specifically, the most adopted voice coil shape in the market is cylindrical, and the voice coil stretch forming machine performs stretch forming on the basis of the cylindrical voice coil. The working principle of the voice coil stretching forming machine is as follows: on the staff places tensile tool 2 with cylindrical voice coil loudspeaker voice coil earlier, by tensile tool 2 of stretching device 4 control with the tensile deformation of voice coil loudspeaker voice coil, release tensile tool 2 with the voice coil loudspeaker voice coil by elevating gear 3 after that, first actuating mechanism 52 drive first slip table 51 through setting device 5 descends, and then control setting tool 53 is stereotyped the voice coil loudspeaker voice coil for the target shape, the voice coil loudspeaker voice coil cover is on setting tool 53 this moment, first actuating mechanism 52 redrives first slip table 51 and rises, first slip table 51 rises the in-process, when the photoelectric sensing piece 54 senses and sets up the cover on setting tool 53 and be equipped with the voice coil loudspeaker voice coil, then send inductive signal, stop first slip table 51, the tensile deformation work of voice coil loudspeaker voice coil is just accomplished to the voice coil loudspeaker voice coil of having stereotyped. This tensile make-up machine of voice coil loudspeaker voice coil adopts cylindrical voice coil loudspeaker voice coil to stretch the mode of finalizing the design again, produces the voice coil loudspeaker voice coil of different shapes, avoided adopting different voice coil loudspeaker voice coil module wire winding preparation and the inhomogeneous and slow problem of wire winding speed of wire winding that appears, can effectively improve the efficiency and the production yield of voice coil loudspeaker voice coil production, and whether there is the voice coil loudspeaker voice coil of finalizing the design on the tool 53 through the response of photoelectric sensing piece 54, improve the intellectuality of voice coil loudspeaker voice coil production process, reduce staff's work load, further improved production efficiency.
The stretch forming machine of voice coil loudspeaker voice coil that this embodiment provided, as fig. 1, frame 1 facial make-up is equipped with first fixing base 11, first actuating mechanism 52 is fixed in the top of first fixing base 11, first slip table 51 and first fixing base 11 sliding connection, the bottom of first fixing base 11 is equipped with first stopper 111, first slip table 51 is equipped with second stopper 511, second stopper 511 is located first stopper 111 directly over. Preferably, the first drive mechanism 52 is a pneumatic cylinder.
Specifically, design tool 53 sets up directly over tensile tool 2, setting device 5 during operation, first actuating mechanism 52 starts, drive first slip table 51 descends, and then control design tool 53 descends, at last the telescope is in by tensile voice coil loudspeaker voice coil, with the voice coil loudspeaker voice coil design, and the in-process that first slip table 51 descends, second stopper 511 and first stopper 111 joint of first slip table 51, first actuating mechanism 52 stops work, design tool 53 designs the voice coil loudspeaker voice coil this moment, control the decline and the rising of first slip table 51 through first actuating mechanism 52, the descending distance of first slip table 51 is realized limiting in the joint cooperation of rethread first stopper 111 and second stopper 511, and then control design tool 53 to the design of voice coil loudspeaker voice coil, reduce the error rate of this technological process.
The stretch forming machine of voice coil that this embodiment provided, as fig. 1 and fig. 2, tensile tool 2 includes first tensile post 21, second tensile post 22 and tensile base 23, be equipped with via hole 231 on the tensile base 23, first tensile post 21 and second tensile post 22 all activity set up in via hole 231, first tensile post 21 bottom is fixed with first base 211, second tensile post 22 bottom is fixed with second base 221, first base 211 and second base 221 all set up in tensile base 23 bottom, first base 211 is connected with stretching device 4.
Specifically, the staff will advance the voice coil loudspeaker voice coil of this shape and sheathe in tensile tool 2, through the first base 211 of stretching device 4 control pulling after that, make first base 211 keep away from second base 221, and then pull open the distance between the tensile post 22 of first tensile post 21 and second to tensile voice coil loudspeaker voice coil, this simple structure, and can effectively stretch the voice coil loudspeaker voice coil, avoided adopting different voice coil loudspeaker voice coil module wire winding preparation and the problem that the wire winding is inhomogeneous and wire winding speed is slow that appears.
As shown in fig. 1, a frame 1 is provided with a second fixed seat 12, a guide rail 121 is disposed at the top of the second fixed seat 12, and the stretching device 4 includes a second sliding table 41 slidably connected to the guide rail 121 and a second driving mechanism 42 for driving the second sliding table 41 to slide on the guide rail 121; the second sliding table 41 is connected with the first base 211, and the second base 221 is fixed on the second fixing seat 12.
Specifically, when the second driving mechanism 42 is started to stretch the voice coil, the second driving mechanism 42 controls the second sliding table 41 to move on the guide rail 121 in a direction away from the second base 221, and the second sliding table 41 drives the first base 211 to move away from the second base 221, so as to pull open the distance between the first stretching column 21 and the second stretching column 22, thereby stretching the voice coil; the second driving mechanism 42 converts the driving direction, controls the second sliding table 41 to move toward the direction close to the second base 221, and drives the first base 211 to be close to the second base 221, so that the first stretching column 21 is close to the second stretching column 22, and the first stretching column 21 and the second stretching column 22 recover the original distance, thereby facilitating the next stretching of the voice coil. This structure easy operation, the first distance between stretching post 21 and the second stretching post 22 of nimble control, and then can be effectively quick carry out the drawing of voice coil loudspeaker voice coil.
In the stretch forming machine of a voice coil according to this embodiment, as shown in fig. 1, the second driving mechanism 42 includes a first driving motor 421, a first lead screw 422 drivingly connected to an output end of the first driving motor 421, a first nut seat 423 sleeved on an outer periphery of the first lead screw 422 and threadedly connected to the first lead screw 422, a moving block 424 connected to the first nut seat 423, and a connecting block 425 for connecting the moving block 424 to the second sliding table 41, wherein two ends of the first lead screw 422 are respectively provided with a supporting seat 426, the first lead screw 422 is rotatably disposed on the supporting seats 426, and the supporting seats 426 are fixed on the frame 1. Preferably, the first driving motor 421 is a servo motor.
Specifically, the second driving mechanism 42 adopts a principle of lead screw transmission, when the first driving motor 421 is started, the first lead screw 422 is driven to rotate, at this time, the first nut seat 423 on the first lead screw 422 moves on the first lead screw 422, and the moving direction of the first nut seat 423 is adjusted according to the rotating direction of the first lead screw 422, so that the moving block 424 connected with the first nut seat 423 can be controlled to move along with the first nut seat 423, and then the second sliding table 41 connected with the moving block 424 is controlled to move back and forth on the guide rail 121, thereby controlling the stretching jig 2 to stretch the voice coil or restore the original state. This second actuating mechanism 42 simple structure adopts servo motor can carry out first lead screw 422's rotation distance accurately, controls second slip table 41 through first nut seat 423 and removes, and then can effectively control tensile tool 2 tensile voice coil loudspeaker voice coil.
As shown in fig. 1 and 3, a support frame 122 is disposed at the bottom of the second fixing seat 12, and the lifting device 3 includes a synchronous belt mechanism 31, a screw rod transmission mechanism 32, and a second driving motor 33 detachably disposed on the support frame 122; the synchronous belt mechanism 31 comprises a driving wheel 311, a driven wheel 312 and a synchronous belt 313 sleeved on the driving wheel 311 and the driven wheel 312, the driving wheel 311 is in transmission connection with the driven wheel 312 through the synchronous belt 313, and the driving wheel 311 is in driving connection with the output end of the second driving motor 33; the screw rod transmission mechanism 32 includes a second screw rod 321, a second nut seat 322 sleeved on the periphery of the second screw rod 321 and in threaded connection with the second screw rod 321, and a lifting plate 323 detachably disposed above the second nut seat 322, one end of the second screw rod 321 is connected with the shaft core of the driven wheel 312, the other end of the second screw rod 321 is rotatably connected with the bottom of the second fixing seat 12, lifting columns 324 are detachably disposed at both ends of the lifting plate 323, lifting bases 232 are disposed on both sides of the stretching base 23, and the lifting columns 324 are connected with the lifting bases 232 after penetrating through the second fixing seat 12. Preferably, the second driving motor 33 is a stepping motor.
Specifically, the working principle of the lifting device 3 is as follows: the second driving motor 33 is started to drive the driving wheel 311 to rotate, the driving wheel 311 drives the driven wheel 312 to rotate through the synchronous belt 313, the driving wheel 311 drives the second screw rod 321 to rotate, then the second nut seat 322 on the second screw rod 321 moves on the second screw rod 321 along with the rotation of the second screw rod, when the second nut seat 322 moves upwards, the lifting plate 323 moves upwards along with the second nut seat 322, the lifting plate 323 drives the two lifting columns 324 to move upwards, the lifting columns 324 further push the lifting bases 232 on two sides of the stretching base 23 to move upwards, finally the stretching base 23 is controlled to move upwards, at the moment, the stretching jig 2 does not move, therefore, the stretching jig 2 is retracted into the through hole 231 of the stretching base 23, the voice coil sleeved outside the stretching jig 2 moves upwards along with the stretching base 23 to be separated from the stretching jig 2, and then the lifting device 3 descends to shape the voice coil; when the second nut seat 322 moves downward, the lifting plate 323 is driven to descend, the lifting plate 323 drives the lifting column 324 to descend, and then the lifting base 232 descends, so that the stretching jig 2 extends out of the via hole 231 of the stretching base 23, and the next voice coil stretching is facilitated; this structure is convenient for control tensile base 23 rise and descend, and then the control will stretch the voice coil loudspeaker voice coil on the tool 2 and drop, simple structure, and control is convenient, can improve the tensile efficiency of stereotyping of voice coil loudspeaker voice coil.
In the stretch forming machine for a voice coil provided by this embodiment, as shown in fig. 1 and fig. 3, clamping grooves 325 are respectively disposed on two sides of the lifting plate 323, the lifting column 324 includes a first cylindrical portion 326, a second cylindrical portion 327, and a connecting plate 328 for connecting the first cylindrical portion 326 and the second cylindrical portion 327, the connecting plate 328 is embedded in the clamping grooves 325, and both a side of the first cylindrical portion 326 close to the lifting plate 323 and a side of the second cylindrical portion 327 close to the lifting plate 323 are abutted to the lifting plate 323.
Specifically, the connecting plate 328 of the lifting column 324 is clamped into the clamping groove 325 of the lifting plate 323, so that the structure is firm, and the lifting column 324 is convenient to mount.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (7)
1. A stretch forming machine of voice coil is characterized in that: the voice coil stretching device comprises a rack, wherein a stretching jig for stretching and deforming a voice coil, a lifting device for pushing the voice coil out of the stretching jig, a stretching device for controlling the stretching jig to stretch the voice coil and a shaping device for shaping the stretched voice coil are arranged on the rack; the shaping device comprises a first sliding table arranged above the stretching jig, a first driving mechanism used for controlling the first sliding table to lift, a shaping jig which is detachably arranged at the bottom of the first sliding table and used for shaping the stretched voice coil, and a photoelectric sensing piece used for sensing whether the voice coil is arranged on the shaping jig or not.
2. The voice coil stretch forming machine according to claim 1, characterized in that: the frame facial make-up is equipped with first fixing base, a drive mechanism is fixed in the top of first fixing base, first slip table and first fixing base sliding connection, the bottom of first fixing base is equipped with first stopper, first slip table is equipped with the second stopper, the second stopper is located directly over first stopper.
3. The voice coil stretch forming machine according to claim 1, characterized in that: tensile tool includes first tensile post, the tensile post of second and tensile base, be equipped with the via hole on the tensile base, first tensile post and the equal activity of the tensile post of second set up in the via hole, first tensile bottom of the column portion is fixed with first base, the tensile bottom of the column portion of second is fixed with the second base, first base and second base all set up in tensile base bottom, first base is connected with stretching device.
4. A voice coil stretch-forming machine according to claim 3, characterized in that: the stretching device comprises a first sliding table and a first driving mechanism, wherein the first sliding table is connected with the guide rail in a sliding manner, and the first driving mechanism is used for driving the first sliding table to slide on the guide rail; the second sliding table is connected with the first base, and the second base is fixed on the second fixed seat.
5. The voice coil stretch forming machine according to claim 4, wherein: the second driving mechanism comprises a first driving motor, a first lead screw in driving connection with the output end of the first driving motor, a first nut seat sleeved on the periphery of the first lead screw and in threaded connection with the first lead screw, a moving block connected with the first nut seat and a connecting block used for connecting the moving block with the second sliding table, supporting seats are arranged at two ends of the first lead screw, the first lead screw is rotatably arranged on the supporting seats, and the supporting seats are fixed on the frame.
6. The voice coil stretch forming machine according to claim 4, wherein: the bottom of the second fixed seat is provided with a support frame, and the lifting device comprises a synchronous belt mechanism, a screw rod transmission mechanism and a second driving motor which is detachably arranged on the support frame; the synchronous belt mechanism comprises a driving wheel, a driven wheel and a synchronous belt sleeved on the driving wheel and the driven wheel, the driving wheel is in transmission connection with the driven wheel through the synchronous belt, and the driving wheel is in driving connection with the output end of the second driving motor; the screw rod transmission mechanism comprises a second screw rod, a second nut seat sleeved on the periphery of the second screw rod and in threaded connection with the second screw rod, and a lifting plate detachably arranged above the second nut seat, one end of the second screw rod is connected with a shaft core of a driven wheel, the other end of the second screw rod is rotatably connected with the bottom of a second fixing seat, lifting columns are detachably arranged at the two ends of the lifting plate, lifting bases are arranged on the two sides of the stretching base, and the lifting columns are connected with the lifting bases after penetrating through the second fixing seat.
7. The voice coil stretch forming machine according to claim 6, wherein: the lifting column comprises a first cylindrical portion, a second cylindrical portion and a connecting plate used for connecting the first cylindrical portion and the second cylindrical portion, the connecting plate is embedded in the clamping groove, and one side, close to the lifting plate, of the first cylindrical portion and one side, close to the lifting plate, of the second cylindrical portion are abutted to the lifting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739770.2U CN210781360U (en) | 2019-10-16 | 2019-10-16 | Voice coil stretching forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739770.2U CN210781360U (en) | 2019-10-16 | 2019-10-16 | Voice coil stretching forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210781360U true CN210781360U (en) | 2020-06-16 |
Family
ID=71047233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921739770.2U Active CN210781360U (en) | 2019-10-16 | 2019-10-16 | Voice coil stretching forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210781360U (en) |
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2019
- 2019-10-16 CN CN201921739770.2U patent/CN210781360U/en active Active
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Address after: Room 301, No.152, songbailang Xinyuan 1st Road, Dalang Town, Dongguan City, Guangdong Province 523770 Patentee after: HEYIN ELECTRONIC TECHNOLOGY (DONGGUAN) Co.,Ltd. Address before: 523000 5th Floor, No. 42 Zhuyuan Road, Zhushan Community, Dalang Town, Dongguan City, Guangdong Province Patentee before: HEYIN ELECTRONIC TECHNOLOGY (DONGGUAN) Co.,Ltd. |