CN109756084B - Magnet feeding mechanism and working method thereof - Google Patents
Magnet feeding mechanism and working method thereof Download PDFInfo
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- CN109756084B CN109756084B CN201711075006.5A CN201711075006A CN109756084B CN 109756084 B CN109756084 B CN 109756084B CN 201711075006 A CN201711075006 A CN 201711075006A CN 109756084 B CN109756084 B CN 109756084B
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- 238000000034 method Methods 0.000 title claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 18
- 238000010586 diagram Methods 0.000 description 7
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a magnet feeding mechanism, which comprises a workbench, a magnet containing table arranged on the workbench, a guide table arranged in front of the magnet containing table and an auxiliary feeding mechanism arranged on the guide table; at least one linear trough is arranged on the magnet containing table, and a magnetic strip formed by a plurality of magnets connected end to end is arranged in the trough; the guide table is provided with a guide groove, and when the trough is communicated with the guide groove, the front part of the magnetic strip is positioned in the guide groove; the auxiliary feeding mechanism comprises a fixed seat, a motor and a roller, wherein the fixed seat is fixedly arranged on the guide table, the motor is arranged on the fixed seat, and the roller is arranged on an output shaft of the motor and above the guide groove. The invention adopts the design of a plurality of feed tanks, and solves the problem of small magnet stock quantity.
Description
Technical Field
The invention belongs to the field of VCM automation, and particularly relates to a magnet feeding mechanism and a working method thereof.
Background
VCM (Voice Coil Motor) A linear motor, also called voice coil motor, is a motor, and its main principle is that in a permanent magnetic field, the stretching position of a spring piece is controlled by changing the DC current of the coil in the motor, so as to drive up and down motion, for example: in the camera of the smart phone, a VCM linear motor is needed, which can adjust the position of a Lens (Lens) to change the focal length, so that the camera is in the clearest state.
The VCM linear motor in the prior art mainly comprises a carrier, a coil, a base, a spring piece and a gasket, wherein 4 magnets are respectively embedded in the base. The 4 magnets are arranged on the inner side of the base to form a ring shape or a square frame shape, the operation is mainly finished manually at present, and the VCM linear motor belongs to a precise device, so that the operation difficulty is high, and the assembly efficiency is low.
The existing magnetite loading equipment in the market is low in magnetite stock, and because the installation speed of the equipment is high, operators are required to continuously feed the magnetite loading equipment. During feeding, operators need to stop the equipment and then place the magnets. Not only reduces the processing efficiency, but also increases the labor intensity of staff.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a magnet feeding mechanism with high magnet preparation quantity and capable of realizing non-stop feeding and a working method thereof.
The technical scheme adopted by the invention for realizing the technical purpose is as follows:
the magnet feeding mechanism comprises a workbench, a magnet containing table arranged on the workbench, a guide table arranged in front of the magnet containing table and an auxiliary feeding mechanism arranged on the guide table; at least one linear trough is arranged on the magnet containing table, and a magnetic strip formed by a plurality of magnets connected end to end is arranged in the trough; the guide table is provided with a guide groove, and when the trough is communicated with the guide groove, the front part of the magnetic strip is positioned in the guide groove; the auxiliary feeding mechanism comprises a fixed seat, a motor and a roller, wherein the fixed seat is fixedly arranged on the guide table, the motor is arranged on the fixed seat, and the roller is arranged on an output shaft of the motor and above the guide groove.
Preferably, the device also comprises a magnet switching mechanism for switching the trough, wherein the magnet switching mechanism comprises a guide rail arranged on the workbench, and the magnet containing table is in sliding fit with the guide rail; the magnetite holds the platform and holds a base and sets up the magazine on holding a base, is equipped with two interval parallel horizontal line silo on the magazine, holds a base and is connected with the drive and moves the third cylinder that switches along the guide rail, and the magazine can dismantle with holding a base and be connected. The magazine can be replaced according to the different sizes of the magnets, and the two feed grooves are designed to increase the material preparation amount of the magnets, so that the labor intensity of operators is reduced.
Further, the third cylinder is a pen-shaped cylinder. The pen-shaped air cylinder has smaller volume and is convenient to install.
Further, a middle strip is arranged in the middle of the material box, two straight-line-shaped material grooves are arranged on two sides of the middle strip, and the middle strip is connected with the base of the containing table through screws.
Preferably, the front of the guide table is provided with an intermittent pressing cutter assembly which moves up and down, the pressing cutter assembly comprises an iron core which is vertically arranged and used for adsorbing the magnet and a pressing sleeve which is sleeved with the iron core, the pressing sleeve comprises four pressing strips which are uniformly distributed on the side wall of the iron core and are not attracted with the magnet, and the magnet at the forefront of the magnetic strip in the guide groove is kept attracted with the iron core and is positioned below the pressing strips; the pressing sleeve and the iron core are respectively connected with a first driving mechanism and a second driving mechanism which drive the pressing sleeve to move up and down.
Preferably, the device further comprises a sensor arranged behind the guide groove and used for detecting magnets in the trough; when the sensor detects that the magnet is absent in the trough communicated with the guide groove, the trough is switched, so that the trough filled with the magnet is communicated with the guide groove.
Preferably, the magnet containing table is embedded on the workbench, a groove matched with the workbench is formed in the workbench, pressing plates used for preventing the magnet containing table from turning out when the trough is switched are respectively arranged on two sides of the groove, one part of the pressing plates is arranged on the workbench, and the other part of the pressing plates is arranged above the groove.
A working method based on the magnet feeding mechanism comprises the following steps:
1) Filling all the feed grooves with magnetic strips, enabling one feed groove to be communicated with the guide groove, enabling the front part of the magnetic strip in the feed groove communicated with the guide groove to be positioned in the guide groove, and enabling the magnet at the forefront of the magnetic strip to be sucked with the iron core and be positioned below the pressing strip;
2) The pressing knife component intermittently cuts the magnet from the magnetic strip and sends the magnet out;
3) When the pressing knife component returns, the auxiliary feeding mechanism assists in pushing the magnetic strip in the guide groove, so that the foremost magnet of the magnetic strip is kept to be attracted with the iron core and is positioned below the pressing strip;
when the magnet in the trough communicated with the guide groove is used up, the trough is switched, so that the other trough filled with the magnetic strip is communicated with the guide groove, and the work is continued.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts the design of a plurality of feed tanks, and solves the problem of small magnet stock quantity.
When the sensor detects that a magnet is absent in the trough communicated with the guide groove, the third cylinder acts to enable the other trough filled with the magnetic strip to be communicated with the guide groove; at this time, the empty trough can be provided with the magnetic strips, so that the equipment is not stopped due to insufficient magnets, the processing efficiency is improved, and the labor intensity of staff is reduced.
The material boxes for containing the magnets can be replaced according to the size of the magnets to be installed, and the material boxes can be replaced to replace different product lines.
Drawings
FIG. 1 is a schematic view of a magnet loading apparatus according to an embodiment.
FIG. 2 is a schematic diagram of a magnet feeding mechanism according to the present invention.
Fig. 3 is a schematic diagram of a magnet press-in mechanism in the embodiment.
Fig. 4 is a schematic structural view of the auxiliary feeding mechanism of the present invention.
Fig. 5 is a schematic structural diagram of a jig driving mechanism and a jig in the embodiment.
FIG. 6 is a schematic diagram of the structure of a VCM motor base for use with an embodiment.
Fig. 7 is a schematic diagram of a part of the structure of the jig, the magnetic stripe, and the pressing blade assembly in the embodiment.
Fig. 8 is an enlarged view of a in fig. 7.
Fig. 9 is a schematic diagram of a structure in which the core is pressed down in synchronization with the press sleeve.
Fig. 10 is a schematic view of the structure of the pressing blade assembly pressed down to the base.
Fig. 11 is a schematic diagram of the structure of the core lifting.
The marking instruction is 11, a workbench;
2. a magnet press-in mechanism; 21. a portal frame; 221. a first cylinder; 222. a first connection plate; 223. a first guide shaft; 224. pressing the sleeve; 2241. pressing strips; 2242. a pressing bar connecting plate; 225. a second connecting plate; 226. a pressure spring; 231. a second cylinder; 232. a connector; 233. an iron core; 234. a second guide shaft; 235. a limiting block; 24. a linear bearing; 25. a lower cross beam;
3. a magnet feeding mechanism; 31. a third cylinder; 321. a holding table base; 322. a trough; 323. a magazine; 324. middle strip; 33. a pressing plate; 34. a guide table; 341. a guide groove;
41. a jig; 42. a jig bedplate; 43. an X-axis sliding table electric cylinder; 44. y-axis sliding table electric cylinder; 45. a VCM motor base; 451. a magnet mounting seat;
51. a fixing seat; 52. a motor; 53. a roller; 54. a sensor mount;
6. a magnetic stripe.
Detailed Description
The magnet feeding mechanism is an important component of the magnet loading device, and the technical scheme of the invention is further described in detail through specific embodiments and with reference to the accompanying drawings. In the embodiment of the invention, the conveying direction of the magnetic stripe 6 is the front.
As shown in fig. 1 to 5, a magnet loading apparatus includes a table 11, a magnet press-in mechanism 2 mounted on the table 11, a magnet feeding mechanism 3 provided on the table 11, and a jig 41 provided below the table 11.
The workbench 11 is provided with a notch which is convenient for replacing the jig 41.
The magnet pressing mechanism 2 comprises a portal frame 21, the portal frame 21 is arranged above the center position of the workbench 11, a pressing cutter assembly which intermittently moves up and down is arranged on the portal frame 21, the pressing cutter assembly comprises an iron core 233 which is vertically arranged and used for adsorbing a magnet and a pressing sleeve 224 which is sleeved with the iron core 233, the pressing sleeve 224 comprises four pressing strips 2241 which are uniformly distributed on the side wall of the iron core 233 and are not attracted with the magnet, and a pressing strip connecting plate 2242 which is connected with the four pressing strips 2241 and is in sliding fit with the iron core 233. The press sleeve 224 and the core 233 are connected to a first driving mechanism and a second driving mechanism which drive the press sleeve to move up and down.
The first driving mechanism comprises a first air cylinder 221 arranged at the center of the portal frame 21, the first air cylinder 221 is vertically arranged downwards, a piston rod of the first air cylinder is slidably matched with a first connecting plate 222, two ends of the first connecting plate 222 are fixedly provided with first guide shafts 223, and the lower ends of the first guide shafts 223 are connected with a pressing strip connecting plate 2242. The first connecting plate 222 is further provided with a second connecting plate 225 slidably engaged with the first guide shaft 223, the second connecting plate 225 is fixedly engaged with a piston rod of the first cylinder 221, the diameter of the upper portion of the first guide shaft 223 is slightly smaller, and a compression spring 226 is arranged between a shaft shoulder and the second connecting plate 225.
The portal frame 21 is further provided with a lower cross beam 25, and the first guide shaft 223 is slidably matched with the lower cross beam 25 through a linear bearing 24.
The second driving mechanism includes a second cylinder 231 vertically downwardly disposed on the lower beam 25 and a coupling head 232 disposed on a piston rod thereof for mounting the iron core 233. A limiting block 235 is fixedly connected to the piston rod of the second cylinder 231, and a second guide shaft 234 in sliding fit with the lower cross beam 25 is arranged on the limiting block 235.
Four grooves are uniformly distributed on the workbench along the periphery of the pressing knife assembly.
The magnet feeding mechanism 3 comprises four magnet containing tables arranged in grooves of the workbench 11, each magnet containing table comprises a containing table base 321 and a material box 323 arranged on the containing table base 321, a middle strip 324 is arranged in the middle of the material box 323, two sides of each middle strip are respectively provided with a straight trough 322, and the middle strips are detachably connected with the containing table bases through screws.
The magnet feeding mechanism 3 comprises four magnet containing tables arranged in grooves of the workbench 11, each magnet containing table comprises a containing table base 321 and a material box 323 which is detachably arranged on the containing table base 321, and two parallel-interval linear material grooves 322 are formed in the material box 323.
As shown in fig. 2, a guiding table 34 embedded in the workbench 11 is further disposed between the magnet feeding mechanism 3 and the pressing tool assembly, four guiding grooves 341 uniformly distributed around the pressing tool assembly are disposed on the guiding table 34, each guiding groove 341 corresponds to one of the material boxes 323 in each direction, and a magnetic strip 6 composed of a plurality of magnets connected end to end is disposed in the material box 322; when the trough 322 is communicated with the guide groove 341, the front part of the magnetic strip 6 in the trough 322 is positioned in the guide groove 341, and the foremost magnet of the magnetic strip is attracted with the iron core 233 and is positioned below the pressing strip 2241.
The magnet holds the platform and realizes the switching between two silo 322 through magnetite switching mechanism, magnetite switching mechanism is including setting up on the recess with hold a base 321 sliding fit's guide rail and setting up the third cylinder 31 in the magnet holds a platform one side, the third cylinder holds a base 321 fixed connection with holding. When the third cylinder 31 is operated, the third cylinder 31 drives the holding table base 321 to move along the guide rail direction, so that the trough 322 opposite to the guide groove 341 is switched to the other trough 322.
The magnet holding table is further provided with pressing plates 33 for preventing the holding table base 321 from turning out of the grooves, two sides of each groove are respectively provided with the pressing plates 33, one half of each pressing plate 33 is fixed on the workbench 11, and the other half of each pressing plate 33 is arranged above the grooves and used for limiting the holding table base 321.
The guide table 34 is further provided with an auxiliary feeding mechanism for assisting in pushing the magnetic stripe 6, the auxiliary feeding mechanism comprises a fixed seat 51, a motor 52 and a roller 53 arranged above the guide groove 341, the fixed seat 51 is fixedly arranged on the guide table 34, the motor 52 is arranged on the fixed seat 51, the roller 53 is arranged on an output shaft of the motor 52, a sensor for detecting a magnet in the trough 322 communicated with the guide groove 341 is further arranged at the rear of the roller 53, and the sensor is arranged on the fixed seat 51 through a sensor mounting seat 54, as shown in fig. 4. When the sensor detects that no magnet is in the slot 322, a signal is sent, the third cylinder 31 operates, and the slot 322 with the magnetic stripe 6 is switched to be opposite to the guide slot 341.
As shown in fig. 5, the jig 41 is uniformly provided with a plurality of stations which are arranged horizontally and vertically and are loaded with VCM motor bases 45, and the jig 41 is connected with a jig driving mechanism for driving the jig 41 to move back and forth in the horizontal direction so that the position of each station corresponds to the position of the pressing knife assembly. The jig driving mechanism comprises an X-axis sliding table electric cylinder 43 transversely arranged below the workbench 11 and a Y-axis sliding table electric cylinder 44 longitudinally arranged below the workbench 11, wherein the X-axis sliding table electric cylinder 43 is fixed on a sliding table of the Y-axis sliding table electric cylinder 44, and a jig platen 42 for fixedly placing the jig 41 is fixedly arranged on the sliding table of the X-axis sliding table electric cylinder 43.
As shown in fig. 6, the VCM motor base 45 is provided with 4 triangular magnet mounting seats 451 corresponding to the 4 pressing bars 2241.
As shown in fig. 7-11, the magnetic strip 6 formed by connecting 4 triangular magnets end to end is tightly attached to the side wall of the polygonal iron core 233 and is positioned below the pressing sleeve 224, and the bottom surface of the foremost magnet is tightly attached to the side surface of the iron core 233, as shown in fig. 8; the first cylinder 221 and the second cylinder 231 simultaneously move downward, so that the foremost magnet is separated from the magnetic stripe 6 by the pressing bar 2241 and moves downward along with the iron core 233 and the pressing sleeve 224, as shown in fig. 9; the first cylinder 221 and the second cylinder 231 press-feed 4 magnets to the magnet mount 451 of the VCM motor base 45 in a station opposite to the presser assembly, as shown in fig. 10; the second cylinder 231 acts to drive the iron core 233 to rise, and after the iron core 233 is far away from the magnet, the first cylinder 221 acts to drive the pressing sleeve 224 to rise, so that the magnet installation of the VCM motor base 45 is completed.
A working method of a magnet loading device comprises the following steps:
1) Filling all the feed tanks, and sucking the foremost magnet of the magnetic strip in the feed tank opposite to the pressing knife assembly with the iron core and below the pressing strip;
2) The jig driving mechanism drives the jig to enable the pressing cutter assembly to correspond to the VCM motor base of a station;
3) The first driving mechanism and the second driving mechanism simultaneously drive the pressing sleeve and the iron core to press down, and 4 magnets are pressed into the VCM motor base;
4) The second driving mechanism drives the iron core to rise back, and the first driving mechanism is motionless;
5) The first driving mechanism drives the pressing sleeve to lift back;
6) Repeating the steps 2-5 until the VCM motor base in the disc fixture is loaded.
The above-described embodiments are intended to illustrate the present invention only, and not to limit the present invention, and any modifications and variations made thereto are within the spirit of the present invention and the scope of the appended claims.
Claims (6)
1. The magnet feeding mechanism comprises a workbench and is characterized by further comprising a magnet containing table arranged on the workbench, a guide table arranged in front of the magnet containing table and an auxiliary feeding mechanism arranged on the guide table; at least one linear trough is arranged on the magnet containing table, and a magnetic strip formed by a plurality of magnets connected end to end is arranged in the trough; the guide table is provided with a guide groove, and when the trough is communicated with the guide groove, the front part of the magnetic strip is positioned in the guide groove; the auxiliary feeding mechanism comprises a fixed seat, a motor and a roller, wherein the fixed seat is fixedly arranged on the guide table, the motor is arranged on the fixed seat, and the roller is arranged on an output shaft of the motor and above the guide groove;
the device also comprises a magnet switching mechanism for switching the trough, wherein the magnet switching mechanism comprises a guide rail arranged on the workbench, and the magnet containing table is in sliding fit with the guide rail; the magnet containing table comprises a containing table base and a material box arranged on the containing table base, wherein two parallel-spaced linear material tanks are arranged on the material box, the containing table base is connected with a third cylinder for driving the containing table base to move and switch along a guide rail, and the material box is detachably connected with the containing table base;
the front of the guide table is provided with an intermittent up-and-down moving pressing knife assembly, the pressing knife assembly comprises an iron core which is vertically arranged and used for adsorbing a magnet and a pressing sleeve which is sleeved with the iron core, the pressing sleeve comprises four pressing strips which are uniformly distributed on the side wall of the iron core and are not attracted with the magnets, and the magnet at the forefront of the magnetic strip in the guide groove is kept attracted with the iron core and is positioned below the pressing strips; the pressing sleeve and the iron core are respectively connected with a first driving mechanism and a second driving mechanism which drive the pressing sleeve to move up and down.
2. The magnet feeding mechanism according to claim 1, wherein the third cylinder is a pen-shaped cylinder.
3. The magnet feeding mechanism according to claim 1, wherein a middle strip is arranged in the middle of the material box, two linear material grooves are arranged on two sides of the middle strip, and the middle strip is connected with the base of the containing table through screws.
4. The magnet feeding mechanism according to claim 1, further comprising a sensor arranged behind the guide slot for detecting a magnet in the trough; when the sensor detects that the magnet is absent in the trough communicated with the guide groove, the trough is switched, so that the trough filled with the magnet is communicated with the guide groove.
5. The magnet feeding mechanism according to claim 1, wherein the magnet containing table is embedded on the workbench, a groove matched with the workbench is formed in the workbench, pressing plates used for preventing the magnet containing table from turning out when the trough is switched are arranged on two sides of the groove, one part of the pressing plates are arranged on the workbench, and the other part of the pressing plates are arranged above the groove.
6. A working method based on the magnet feeding mechanism as claimed in claim 1, comprising the following steps:
1) Filling all the feed grooves with magnetic strips, enabling one feed groove to be communicated with the guide groove, enabling the front part of the magnetic strip in the feed groove communicated with the guide groove to be positioned in the guide groove, and enabling the magnet at the forefront of the magnetic strip to be sucked with the iron core and be positioned below the pressing strip;
2) The pressing knife component intermittently cuts the magnet from the magnetic strip and sends the magnet out;
3) When the pressing knife component returns, the auxiliary feeding mechanism assists in pushing the magnetic strip in the guide groove, so that the foremost magnet of the magnetic strip is kept to be attracted with the iron core and is positioned below the pressing strip; when the magnet in the trough communicated with the guide groove is used up, the trough is switched, so that the other trough filled with the magnetic strip is communicated with the guide groove, and the work is continued.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711075006.5A CN109756084B (en) | 2017-11-06 | 2017-11-06 | Magnet feeding mechanism and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711075006.5A CN109756084B (en) | 2017-11-06 | 2017-11-06 | Magnet feeding mechanism and working method thereof |
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| Publication Number | Publication Date |
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| CN109756084A CN109756084A (en) | 2019-05-14 |
| CN109756084B true CN109756084B (en) | 2024-02-23 |
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| CN201711075006.5A Active CN109756084B (en) | 2017-11-06 | 2017-11-06 | Magnet feeding mechanism and working method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434593A (en) * | 2019-08-30 | 2019-11-12 | 安庆市东勤电子科技有限公司 | Magnetite automatic assembling with feeding mechanism |
| CN118060877B (en) * | 2024-04-18 | 2024-07-19 | 宁波舜宇光电软件开发有限公司 | Magnet assembling device and method and camera module |
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| CN109756084A (en) | 2019-05-14 |
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