CN219677246U - Electromagnet lifting mechanism of chip loader - Google Patents
Electromagnet lifting mechanism of chip loader Download PDFInfo
- Publication number
- CN219677246U CN219677246U CN202320940651.3U CN202320940651U CN219677246U CN 219677246 U CN219677246 U CN 219677246U CN 202320940651 U CN202320940651 U CN 202320940651U CN 219677246 U CN219677246 U CN 219677246U
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- China
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- plate
- iron core
- electromagnet
- bottom plate
- core fixing
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The utility model provides an electromagnet lifting mechanism of a chip loader, wherein a bottom plate at the lower side and a cover plate at the upper side are oppositely arranged, an iron core fixing plate is arranged between the cover plate and the bottom plate, the relative distance between the cover plate and the bottom plate is fixed, a sliding component for sliding the cover plate and the whole bottom plate up and down relative to the iron core fixing plate is connected between the bottom plate, the cover plate and the iron core fixing plate, a lower pressing plate is fixedly connected to the upper surface of the cover plate, and the iron core fixing plate is fixed on a fixing frame; the upper side surface of the bottom plate is provided with a magnet, and the lower side surface of the iron core fixing plate is provided with an electromagnet; attractive force is formed between the magnet and the non-energized electromagnet, and repulsive force is formed between the magnet and the energized electromagnet; the compression spring is arranged between the bottom plate and the iron core fixing plate and is always in a compression state, the pressing plate is pressed down together through the linkage elastic force as repulsive force, and the time length of lifting of the pressing plate is shorter than the pressing time length, so that the energizing time requirement is short, the energizing current requirement is small, the running track requirement of the pressing plate can be met, and the coil cannot be burnt.
Description
Technical Field
The utility model relates to the technical field of SMT electronic component production, in particular to an electromagnet lifting structure of a chip loader.
Background
In the prior art, when a left dispensing component and a right dispensing component perform dispensing, before a clamping jaw conveys a lead frame to a specific position of a cutting board, a coil of an electromagnet lifting mechanism is electrified (current is larger) so that an iron core obtains larger magnetic force to overcome elasticity to lift a cover plate, a pressing plate connected with the cover plate is also lifted upwards, and the coil is powered off when the lead frame is in place, so that the pressing plate falls along with the cover plate to press the surface of the lead frame to perform flattening, and then the dispensing component performs dispensing operation; after the dispensing of a certain row of units on the lead frame is completed, the coil is electrified with larger current again to enable the electromagnet lifter to ascend, at the moment, the clamping jaw grabs the lead frame to move by a few millimeters to enable the next row of units to be positioned at the dispensing position, so that when the dispensing work of all units is completed on the lead frame, the two coils are required to be electrified and de-electrified repeatedly, the electrified current is overlarge, in the process, the electromagnet is electrified continuously for a longer time than the falling time, and the possibility of burning the coils is easy to exist. When the whole unit of the lead frame is subjected to the chip loading, as described above, the coil has a larger current and the possibility of burning out is also present.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an electromagnet lifting mechanism of a chip loader.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the electromagnet lifting mechanism of the chip loader comprises a cover plate, a bottom plate, a sliding component, an iron core fixing plate, a compression spring and an electromagnet, wherein the bottom plate on the lower side is oppositely arranged with the cover plate on the upper side, the iron core fixing plate is arranged between the cover plate and the bottom plate, the relative distance between the cover plate and the bottom plate is fixed, the sliding component for the cover plate and the whole iron core fixing plate to slide up and down is connected between the bottom plate, the cover plate and the iron core fixing plate, the upper surface of the cover plate is fixedly connected with a lower pressing plate piece, and the iron core fixing plate is fixed on a fixing frame;
the upper side surface of the bottom plate is provided with a magnet, and the lower side surface of the iron core fixing plate is provided with an electromagnet; attractive force is formed between the magnet and the non-energized electromagnet, and repulsive force is formed between the magnet and the energized electromagnet;
and a compression spring is arranged between the cover plate and the iron core fixing plate, and the compression spring is always in a compression state.
Further, the sliding assembly comprises a guide shaft, a bushing and a ball bushing, wherein the ball bushing is arranged on the outer side of the guide shaft, the bushing is arranged on the outer side of the ball bushing, the bushing is fixed on the iron core fixing plate through an inner hexagonal cylindrical head screw and an inner hexagonal flat end set screw, and the guide shaft is fixed between the bottom plate and the cover plate through the inner hexagonal flat end set screw.
Further, the sliding component is arranged at four corners between the bottom plate and the cover plate.
Further, two magnets are uniformly arranged in the longitudinal direction of the center of the bottom plate.
Further, the electromagnet comprises an iron core and a coil, the coil is arranged on the outer side of the iron core in a surrounding mode, the arrangement position of the iron core corresponds to the longitudinal space of the coverage area of the magnet, and the iron core is fixed to the lower side face of the iron core fixing plate through an inner hexagonal cylindrical head screw.
Further, the iron core fixed plate downside is opened there is the blind hole, open in the middle of the iron core has the through-hole, corresponds the bottom plate upside is opened there is the blind hole, compression spring wears to locate in the through-hole and joint between two blind holes.
Further, the electromagnet is externally connected with a power supply.
Further, a sealing plate is arranged between the outer edge of the bottom plate and the outer edge of the cover plate.
Compared with the prior art, the utility model has the beneficial effects that: through the mode of installing magnet at electromagnet elevating system's bottom plate fluting, the initial condition of electromagnet elevating system at outer track backup pad has been changed, the point is glued the subassembly and is needed when the lead frame trades the row point to glue promptly, electromagnet elevating system is in the state of lifting, this initial condition that is also the electromagnet, at some moment before gluing the subassembly is glued to a certain unit in the point, the coil only needs to lead to less electric current and produces less magnetic force and let electromagnet elevating system descend very easily, drive clamp plate flattening lead frame and carry out the nearby position of point gluing the unit, begin to carry out the point and glue the operation after the camera finishes shooing. The operating state of the electromagnet lifting mechanism related to the loading is basically the same as that of the electromagnet lifting mechanism. The design can reduce the current of the coil, can also reduce the duration of the current, and can not burn the coil.
Drawings
FIG. 1 is a schematic side view of example 1 of the present utility model;
fig. 2 is a schematic view of a core fixing plate according to embodiment 1 of the present utility model;
fig. 3 is a schematic diagram of an iron core and a coil according to embodiment 1 of the present utility model;
FIG. 4 is a schematic top side view of the base plate of embodiment 1 of the present utility model;
FIG. 5 is a schematic view of a seal plate and compression spring according to embodiment 1 of the present utility model;
FIG. 6 is a schematic view showing the connection of the outer rail support plate according to embodiment 1 of the present utility model;
description of the reference numerals: the device comprises a cover plate (1), a bushing (2), a guide shaft (3), a base plate (4), a compression spring (5), a hexagon socket head cap screw (6), an iron core fixing plate (7), a hexagon flat end set screw (8), a ball bushing (9), a coil (10), an iron core (11), a magnet (12), a sealing plate (13) and an outer rail supporting plate (14).
Description of the embodiments
For a further understanding of the objects, construction, features, and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.
Example 1, as shown in fig. 1-6:
the electromagnet lifting mechanism of the chip loader comprises a cover plate 1, a bottom plate 4, a sliding component, an iron core fixing plate 7, a compression spring 5 and an electromagnet, wherein the bottom plate 4 at the lower side is oppositely arranged with the cover plate 1 at the upper side, the iron core fixing plate 7 is arranged between the cover plate 1 and the bottom plate 4, the relative distance between the cover plate 1 and the bottom plate 4 is fixed, the sliding component for sliding the cover plate 1 and the whole iron core fixing plate 7 up and down is connected between the bottom plate 4, the cover plate 1 and the iron core fixing plate 7, the upper surface of the cover plate 1 is fixedly connected with a pressing plate, and the iron core fixing plate 7 is fixed on a fixing frame;
in this embodiment, the upper surface of the cover plate 1 is connected with the lower pressing plate, and since the iron core fixing plate 7 is fixed on the fixing frame, in this embodiment, on the outer rail supporting plate 14, when the cover plate 1 and the bottom plate 4 move downward on the iron core fixing plate 7, the lower pressing plate moves downward together, and at this time, the lower pressing plate is combined with the pressing plate to flatten the position near the lead frame for dispensing unit.
The upper side surface of the bottom plate 4 is provided with a magnet 12, and the lower side surface of the iron core fixing plate 7 is provided with an electromagnet; attractive force is formed between the magnet 12 and the non-energized electromagnet, and repulsive force is formed between the magnet 12 and the energized electromagnet;
a compression spring 5 is arranged between the bottom plate 4 and the iron core fixing plate 7, and the compression spring 5 is always in a compression state.
In the initial state, the elastic force between the cover plate 1 and the iron core fixing plate 7 is smaller than the attractive force between the magnet 12 and the non-energized electromagnet, and the position of the cover plate 1 is highest at the moment, and the state is not needed to be supported by energization; when the electromagnet is electrified, repulsive force is formed between the electromagnet and the magnet 12, and at the moment, the repulsive force and the elastic force are combined to downwards press the lower bottom plate 4, and the bottom plate 4 drives the cover plate 1 and the pressing plate to downwards move together.
The initial position of the pressing plate can be the highest by means of magnetism of the magnet 12, the pressing plate is pressed downwards under the condition that the electromagnet is electrified, and the repulsive force is linkage elastic force to press the pressing plate together, and the lifting time of the pressing plate is shorter than the pressing time, so that the electrified time requirement is short, the electrified current requirement is small, the running track requirement of the pressing plate can be met, and the coil 10 cannot be burnt.
Further in this embodiment, the sliding assembly includes a guide shaft 3, a bushing 2, and a ball bushing 9, the ball bushing 9 is disposed outside the guide shaft 3, the bushing 2 is disposed outside the ball bushing 9, the bushing 2 is fixed on the iron core fixing plate 7 by the hexagon socket head cap screw 6 and the hexagon socket head cap screw 8, and the guide shaft 3 is fixed between the bottom plate 4 and the cover plate 1 by the hexagon socket head cap screw 8.
The fixed iron core fixed plate 7 is on the outer track backup pad 14, and the bush 2 sets up on the iron core fixed plate 7, and guiding axle 3 passes bush 2 and fixed apron 1 and bottom plate 4 from top to bottom respectively, is ball bush 9 between guiding axle 3 and the bush 2, and apron 1 and bottom plate 4 are whole just can be lubricated relatively the upper and lower motion of iron core fixed plate 7 this moment.
Further in this embodiment, the sliding assemblies are provided at four corner positions between the bottom plate 4 and the cover plate 1.
The cover plate 1 and the bottom plate 4 can slide more stably relative to the iron core fixing plate 7.
In this embodiment, two magnets 12 are uniformly arranged on two longitudinal sides of the center of the bottom plate 4, the diameter of each magnet 12 is 6mm, the thickness of each magnet is 2mm, the size of each magnet is smaller, the effect of attracting the iron core 11 is achieved by combining a plurality of magnets 12, and enough strength is provided for the repulsion of the electromagnets and the magnets 12.
In this embodiment, further, the electromagnet includes an iron core 11 and a coil 10, the coil 10 is wound around the outer side of the iron core 11, the setting position of the iron core 11 corresponds to the longitudinal space covered by the magnet 12, and the iron core 11 is fixed on the lower side surface of the iron core fixing plate 7 through the hexagon socket head cap screw 6.
In this embodiment, further, the lower side of the iron core fixing plate 7 is provided with a blind hole, the middle of the iron core 11 is provided with a through hole, the upper side of the corresponding bottom plate 4 is provided with a blind hole, and the compression spring 5 is arranged in the through hole in a penetrating manner and is clamped between the two blind holes.
In this embodiment, the electromagnet is further connected to the power source to provide electric energy for the electromagnet to obtain magnetic force, and in this embodiment, the electromagnet is in the prior art, only provides repulsive force, and is not innovated and not described again.
Further in this embodiment, a sealing plate 13 is arranged between the outer edge of the bottom plate 4 and the outer edge of the cover plate 1. The internal structure can be protected from being touched, the use time is prolonged, and the use safety of the equipment is ensured.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. An electromagnet lifting mechanism of a chip loader, which is characterized in that: comprises a cover plate, a bottom plate,
The iron core fixing plate is arranged between the cover plate and the bottom plate, the relative distance between the cover plate and the bottom plate is fixed, the bottom plate, the cover plate and the iron core fixing plate are connected with a sliding component for sliding the cover plate and the bottom plate up and down relative to the iron core fixing plate, the upper surface of the cover plate is fixedly connected with a lower pressing plate piece, and the iron core fixing plate is fixed on a fixing frame;
the upper side surface of the bottom plate is provided with a magnet, and the lower side surface of the iron core fixing plate is provided with an electromagnet; attractive force is formed between the magnet and the non-energized electromagnet, and repulsive force is formed between the magnet and the energized electromagnet;
and a compression spring is arranged between the bottom plate and the iron core fixing plate, and the compression spring is always in a compression state.
2. The electromagnet lifting mechanism of a chip mounter according to claim 1, wherein: the sliding assembly comprises a guide shaft, a bushing and a ball bushing, wherein the ball bushing is arranged on the outer side of the guide shaft, the bushing is arranged on the outer side of the ball bushing, the bushing is fixed on the iron core fixing plate through an inner hexagonal cylindrical head screw and an inner hexagonal flat end set screw, and the guide shaft is fixed between the bottom plate and the cover plate through the inner hexagonal flat end set screw.
3. The electromagnet lifting mechanism of a chip mounter according to claim 2, wherein: the sliding component is arranged at four corners between the bottom plate and the cover plate.
4. The electromagnet lifting mechanism of a chip mounter according to claim 1, wherein: two magnets are uniformly arranged in the longitudinal direction of the center of the bottom plate.
5. The electromagnet lifting mechanism of a chip mounter according to claim 4, wherein: the electromagnet comprises an iron core and a coil, the coil is arranged on the outer side of the iron core in a surrounding mode, the arrangement position of the iron core corresponds to the longitudinal space of the coverage area of the magnet, and the iron core is fixed on the lower side face of the iron core fixing plate through an inner hexagonal cylindrical head screw.
6. The electromagnet lifting mechanism of a chip mounter according to claim 5, wherein: the iron core fixing plate is characterized in that a blind hole is formed in the lower side of the iron core fixing plate, a through hole is formed in the middle of the iron core, a blind hole is formed in the upper side of the corresponding bottom plate, and the compression spring is arranged in the through hole in a penetrating mode and is clamped between the two blind holes.
7. The electromagnet lifting mechanism of a chip mounter according to claim 1, wherein: the electromagnet is externally connected with a power supply.
8. The electromagnet lifting mechanism of a chip mounter according to claim 1, wherein: and a sealing plate is arranged between the outer edge of the bottom plate and the outer edge of the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320940651.3U CN219677246U (en) | 2023-04-24 | 2023-04-24 | Electromagnet lifting mechanism of chip loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320940651.3U CN219677246U (en) | 2023-04-24 | 2023-04-24 | Electromagnet lifting mechanism of chip loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219677246U true CN219677246U (en) | 2023-09-12 |
Family
ID=87928471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320940651.3U Active CN219677246U (en) | 2023-04-24 | 2023-04-24 | Electromagnet lifting mechanism of chip loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219677246U (en) |
-
2023
- 2023-04-24 CN CN202320940651.3U patent/CN219677246U/en active Active
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