CN108861379B - Combined electromagnetic vibrator and adjusting method thereof - Google Patents
Combined electromagnetic vibrator and adjusting method thereof Download PDFInfo
- Publication number
- CN108861379B CN108861379B CN201810687688.3A CN201810687688A CN108861379B CN 108861379 B CN108861379 B CN 108861379B CN 201810687688 A CN201810687688 A CN 201810687688A CN 108861379 B CN108861379 B CN 108861379B
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- Prior art keywords
- fixing seat
- coil fixing
- adjusting shaft
- seat
- hopper
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005284 excitation Effects 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G27/00—Jigging conveyors
- B65G27/10—Applications of devices for generating or transmitting jigging movements
- B65G27/16—Applications of devices for generating or transmitting jigging movements of vibrators, i.e. devices for producing movements of high frequency and small amplitude
- B65G27/24—Electromagnetic devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
- B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a combined electromagnetic vibrator, which comprises a base baseplate, a hopper seat and an electromagnetic excitation device, wherein the hopper seat is arranged on the base baseplate; the hopper is arranged above the hopper seat, and an elastic sheet is connected between the hopper seat and the base plate of the base; and the base plate is provided with an electromagnetic excitation device connected with the hopper seat. Its regulating method is also disclosed. The invention can accurately adjust the gap between the adjusting shaft and the armature, and can conveniently and efficiently detect the gap during detection; the nut of the adjusting shaft is allowed to adopt a locking nut or other locking components with better locking performance, so that the risk of looseness of the adjusting shaft in the working process of the vibrator is reduced.
Description
Technical Field
The invention relates to the field of electromagnetic vibrators, in particular to a combined electromagnetic vibrator.
Background
The conventional electromagnetic vibrators all adopt a structure similar to that shown in fig. 1, and are respectively a base substrate seat 1', a nut 2', an adjusting shaft 3', a coil 301', a rear sealing plate 4', a coil fixing seat 5', an armature 6', a hopper 7', a hopper seat 8', an elastic piece 9' and an elastic foot 10'. The working principle is that periodic intermittent current is conducted in a coil 301', when the current is conducted, an adjusting shaft 3' and an armature 6 'which are made of magnetic conduction media are attracted under the action of an induction magnetic field, a hopper 7' and a hopper seat 8 'move towards the adjusting shaft 3' along the axial direction of the armature 6', and meanwhile an elastic sheet 9' is bent and deformed to generate elastic force opposite to the moving direction of the hopper 7. When the current in the coil 301 'is cut off, the magnetic field disappears, and the hopper 7' and the hopper seat 8 'return to the initial equilibrium positions under the elastic force of the elastic sheet 9'. Since the coil current is periodically interrupted, the hopper 7 'and the hopper seat 8' can realize reciprocating periodic vibration near the balance position thereof, and realize the function of conveying materials.
The gap d between the adjusting shaft 3' and the armature 6' is an important design parameter of the vibrator, which directly affects the working efficiency and the vibration amplitude of the vibrator, and the current adjusting mode of the gap d is to rotate the adjusting shaft 3', and the value of d is approximately calculated through the rotation number and the thread pitch of the adjusting shaft. The d is positioned in the airtight space of the coil inner cavity, so that the d cannot be directly measured, inconvenience is brought to adjustment, on the other hand, the adjusting shaft is the only part capable of adjusting the gap d, so that the gap d is not easy to fix and dead in the use process of the vibrator, the nut 2' for fixing the anti-loose nut can only be an ordinary nut, a special anti-loose lock nut cannot be adopted, the limited anti-loose level of the adjusting shaft is improved, and the vibration frequency is changed due to the looseness of the adjusting shaft in the use process of the vibrator, so that the color selection precision of related equipment such as a color selector is influenced.
Disclosure of Invention
The invention aims to solve the technical problems that the gap between an adjusting shaft and an armature cannot be accurately measured at present, and inconvenience is brought to adjustment.
In order to solve the technical problems, the invention provides the following technical scheme:
a combined electromagnetic vibrator comprises a base baseplate, a hopper seat and an electromagnetic excitation device;
the hopper is arranged above the hopper seat, and an elastic sheet is connected between the hopper seat and the base plate of the base; an electromagnetic excitation device connected with the hopper seat is arranged on the base plate of the base;
the electromagnetic excitation device comprises an adjusting shaft, a rear sealing plate, a coil fixing seat and an armature, wherein a coil is wound on the adjusting shaft, the armature and the adjusting shaft are coaxially arranged in the coil fixing seat, and a gap is reserved between the armature and the adjusting shaft; one end, close to the hopper seat, of the armature is fixedly connected with the hopper seat, and a through hole for the armature to freely pass through is formed in the coil fixing seat; the adjusting shaft is far away from one end of the hopper seat and extends out of the coil fixing seat, and is fixedly connected with a rear sealing plate on one side of the coil fixing seat, the coil fixing seat is connected with the base substrate in a split type, a mounting surface for mounting the coil fixing seat is arranged on the base substrate, and a guide mechanism for enabling the coil fixing seat to move along the direction parallel to the axis of the adjusting shaft is arranged between the mounting surface and the coil fixing seat.
As a further scheme of the invention: the guide mechanism comprises sliding blocks fixed on two sides of the coil fixing seat, strip-shaped holes are formed in the sliding blocks and are arranged in the direction parallel to the axis of the adjusting shaft, and screws used for fixedly connecting the sliding blocks and the mounting surface are arranged in the strip-shaped holes.
As a further scheme of the invention: the guide mechanism comprises sliding blocks fixed on two sides of the coil fixing seat, threaded holes are formed in the sliding blocks and are arranged at intervals in a linear mode in the direction parallel to the axis of the adjusting shaft, and screws used for fixedly connecting the sliding blocks and the mounting surface are arranged in the threaded holes.
As still further aspects of the invention: the mounting surface is provided with a guide rail which is arranged along the direction parallel to the axis of the adjusting shaft, and the lower end of the ring fixing seat is provided with a chute matched with the guide rail.
As still further aspects of the invention: the coil fixing seat is provided with an A surface perpendicular to the mounting surface on one side close to the hopper seat, a lug is arranged on one side close to the hopper seat, and a B surface parallel to the A surface is arranged on one side close to the coil fixing seat.
As still further aspects of the invention: the adjusting shaft is in locking connection with the rear sealing plate through a nut.
As still further aspects of the invention: the nut is a locking nut.
As still further aspects of the invention: and a loose prevention component for preventing the nut from loosening is arranged at the nut.
As still further aspects of the invention: the lower end of the base substrate is provided with a plurality of elastic feet.
A method of adjusting a combined electromagnetic vibrator, comprising the steps of:
1) Adjusting the adjusting shaft until the adjusting shaft contacts with the end face of the armature, and taking the position of the coil fixing seat at the moment as a datum point;
2) And under the action of the guide mechanism, moving the coil fixing seat along the axis parallel direction of the adjusting shaft to enable the coil fixing seat to be far away from the hopper seat, measuring the distance between the coil fixing seat and the reference point, stopping moving when the distance is equal to the distance d to be adjusted between the adjusting shaft and the armature, and fixing the coil fixing seat on the base plate.
Compared with the prior art, the invention has the beneficial effects that:
1. when the device is used, the adjusting shaft is firstly adjusted to be in contact with the end face of the armature, the relative position of the adjusting shaft and the rear sealing plate is fixed, then the coil fixing seat is moved away from the hopper seat through the guide mechanism, and the guide mechanism moves the coil fixing seat along the direction parallel to the axis of the adjusting shaft, so that the gap d between the adjusting shaft and the armature after the adjustment is actually equal to the moving distance of the coil fixing seat.
2. According to the invention, the gap adjustment is changed from the traditional adjustment shaft to the adjustment coil fixing seat, so that the nut of the adjustment shaft is allowed to adopt a locking nut or other locking components with better locking performance, and the risk of looseness of the adjustment shaft in the working process of the vibrator is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a conventional electromagnetic vibrator.
Fig. 2 is a perspective view of a combined electromagnetic vibrator according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a combined electromagnetic vibrator according to an embodiment of the present invention.
FIG. 4 is a schematic view showing a configuration of a gap adjustment of a combined electromagnetic vibrator according to an embodiment of the present invention
Fig. 5 is a schematic view showing another state of the combined electromagnetic vibrator according to the embodiment of the present invention in gap adjustment.
In the figure: the device comprises a base substrate, a 2-locking nut, a 3-adjusting shaft, a 301-coil, a 4-rear sealing plate, a 5-coil fixing seat, a 6-armature, a 7-hopper, an 8-hopper seat, a 9-elastic piece, a 10-elastic foot, a 11-screw, a 12-feeler gauge, a 13-slider and a 14-guide rail.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a combined electromagnetic vibrator includes a base substrate 1, a hopper 7, a hopper seat 8, and an electromagnetic excitation device (not shown);
the hopper 7 is arranged above the hopper seat 8, and an elastic sheet 9 is connected between the hopper seat 8 and the base plate 1; an electromagnetic excitation device connected with the hopper seat 8 is arranged on the base substrate 1;
the electromagnetic excitation device comprises an adjusting shaft 3 wound with a coil 301, a rear sealing plate 4, a coil fixing seat 5 and an armature 6, wherein the armature 6 and the adjusting shaft 3 which are coaxially arranged are arranged in the coil fixing seat 5, and a gap is reserved between the armature 6 and the adjusting shaft 3; one end of the armature 6, which is close to the hopper seat 8, is fixedly connected with the hopper seat 8, and a through hole (not shown) for the armature 6 to freely pass through is arranged on the coil fixing seat 5; the adjusting shaft 3 extends to the outside of the coil fixing seat 5 at one end far away from the hopper seat 8 and is in locking connection with a rear sealing plate 4 at one side of the coil fixing seat 5 through a locking nut 2, the coil fixing seat 5 is in split connection with the base substrate 1, a mounting surface (not labeled) for mounting the coil fixing seat 5 is arranged on the base substrate 1, and a guide mechanism (not labeled) for enabling the coil fixing seat 5 to move along the direction parallel to the axis of the adjusting shaft 3 is arranged between the mounting surface and the coil fixing seat 5; the guide mechanism comprises sliding blocks 13 fixed on two sides of the coil fixing seat 5, strip-shaped holes (not labeled) which are arranged along the direction parallel to the axis of the adjusting shaft 3 are formed in the sliding blocks 13, and screws 11 used for fixedly connecting the sliding blocks 13 with the mounting surface are arranged in the strip-shaped holes; the coil fixing seat 5 is provided with a surface A perpendicular to the mounting surface on one side close to the hopper seat 8, a lug is arranged on one side close to the hopper seat 8, a surface B parallel to the surface A is arranged on one side close to the coil fixing seat 5, and therefore the distance of the surface A for adjusting the movement of the surface A relative to the surface B is equal to the gap d between the adjusting shaft and the armature.
The adjusting method of the invention comprises the following steps: the first step: as shown in fig. 4, the a-plane of the coil holder 5 is overlapped with the B-plane of the base substrate 1; after the A surface and the B surface are overlapped, the screw 11 is screwed, and the coil fixing seat 5 is fixed with the base substrate 1; rotating the adjusting shaft 3 until the adjusting shaft 3 contacts the end face of the armature 6; the lock nut 2 is screwed down to fix the relative positions of the adjusting shaft 3 and the rear sealing plate 4.
And a second step of: as shown in fig. 5, the screw 11 is loosened, the coil fixing base 5 is adjusted in the axial direction of the adjusting shaft, and the gauge 12 of standard thickness is placed between the a-plane and the B-plane. The screw 11 is then tightened. The distance d between the adjusting shaft 3 and the armature 6 is then equal to the distance between the a-plane and the B-plane, i.e. the thickness of the feeler 12.
As an alternative, the mounting surface is provided with a guide rail 14 arranged along a direction parallel to the axis of the adjusting shaft 3, and the lower end of the coil fixing seat 5 is provided with a chute (not shown) matched with the guide rail 14, so as to further achieve the purpose of limiting the coil fixing seat 5.
As an alternative scheme, the adjusting shaft can be in locking connection with the rear sealing plate 4 on one side of the coil fixing seat 5 through a common nut 2', and a loose-proof component for preventing the nut from loosening is arranged at the position of the nut 2', and the loose-proof component can be a friction loose-proof component such as a spring gasket or a mechanical loose-proof component such as a stop gasket.
A method of adjusting a combined electromagnetic vibrator, comprising the steps of:
1) Adjusting the adjusting shaft 3 until the adjusting shaft 3 contacts with the end face of the armature 6, and taking the position of the coil fixing seat 5 at the moment as a datum point;
2) The coil fixing seat 5 is moved in the parallel direction along the axis of the adjusting shaft 3 under the action of the guide mechanism, so that the coil fixing seat 5 is far away from the hopper seat 8, the distance between the coil fixing seat 5 and the reference point is measured, and when the distance is equal to the distance d to be adjusted between the adjusting shaft 3 and the armature 6, the movement is stopped, and the coil fixing seat 5 is fixed on the base substrate 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. A combined electromagnetic vibrator comprises a base baseplate, a hopper seat and an electromagnetic excitation device;
the hopper is arranged above the hopper seat, and an elastic sheet is connected between the hopper seat and the base plate of the base; an electromagnetic excitation device connected with the hopper seat is arranged on the base plate of the base;
the electromagnetic excitation device comprises an adjusting shaft, a rear sealing plate, a coil fixing seat and an armature, wherein a coil is wound on the adjusting shaft, the armature and the adjusting shaft are coaxially arranged in the coil fixing seat, and a gap is reserved between the armature and the adjusting shaft; one end, close to the hopper seat, of the armature is fixedly connected with the hopper seat, and a through hole for the armature to freely pass through is formed in the coil fixing seat; the automatic feeding device is characterized in that one end of the adjusting shaft, far away from the hopper seat, extends out of the coil fixing seat and is fixedly connected with a rear sealing plate on one side of the coil fixing seat, the coil fixing seat is connected with the base substrate in a split mode, a mounting surface for mounting the coil fixing seat is arranged on the base substrate, a guide mechanism for enabling the coil fixing seat to move along the direction parallel to the axis of the adjusting shaft is arranged between the mounting surface and the coil fixing seat, an A surface perpendicular to the mounting surface is arranged on one side, close to the hopper seat, of the coil fixing seat, a lug is arranged on one side, close to the coil fixing seat, of the lug, a B surface parallel to the A surface is arranged, and the moving distance of the A surface relative to the B surface is equal to the moving distance of the coil fixing seat.
2. The combined electromagnetic vibrator according to claim 1, wherein the guide mechanism comprises a slider fixed on both sides of the coil fixing base, a bar-shaped hole arranged in a direction parallel to the axis of the adjusting shaft is provided on the slider, and a screw for fixedly connecting the slider and the mounting surface is provided in the bar-shaped hole.
3. The combined electromagnetic vibrator according to claim 1, wherein the guide mechanism comprises a slider fixed on both sides of the coil fixing base, threaded holes are formed in the slider at intervals in a line shape in a direction parallel to the axis of the adjusting shaft, and screws for fixedly connecting the slider and the mounting surface are arranged in the threaded holes.
4. The combined electromagnetic vibrator according to claim 1, wherein the mounting surface is provided with guide rails arranged in a direction parallel to the axis of the adjusting shaft, and the lower end of the ring fixing seat is provided with sliding grooves matched with the guide rails.
5. The combination electromagnetic vibrator of claim 1 wherein the adjustment shaft is lockingly connected to the rear seal plate by a nut.
6. The combination electromagnetic vibrator of claim 5 wherein said nut is a lock nut.
7. The combination electromagnetic vibrator of claim 5 wherein a locking assembly is provided at the nut to prevent loosening thereof.
8. The combination electromagnetic vibrator of claim 1 wherein the base substrate lower end is provided with a plurality of resilient feet.
9. The method of adjusting a combined electromagnetic vibrator according to any one of claims 1 to 8, comprising the steps of:
1) Adjusting the adjusting shaft until the adjusting shaft contacts with the end face of the armature, and taking the position of the coil fixing seat at the moment as a datum point;
2) And under the action of the guide mechanism, moving the coil fixing seat along the axis parallel direction of the adjusting shaft to enable the coil fixing seat to be far away from the hopper seat, measuring the distance between the coil fixing seat and the reference point, stopping moving when the distance is equal to the distance d to be adjusted between the adjusting shaft and the armature, and fixing the coil fixing seat on the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687688.3A CN108861379B (en) | 2018-06-28 | 2018-06-28 | Combined electromagnetic vibrator and adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687688.3A CN108861379B (en) | 2018-06-28 | 2018-06-28 | Combined electromagnetic vibrator and adjusting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108861379A CN108861379A (en) | 2018-11-23 |
| CN108861379B true CN108861379B (en) | 2024-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810687688.3A Active CN108861379B (en) | 2018-06-28 | 2018-06-28 | Combined electromagnetic vibrator and adjusting method thereof |
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| Publication number | Publication date |
|---|---|
| CN108861379A (en) | 2018-11-23 |
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