CN217707553U

CN217707553U - Linear electromagnetic vibrator

Info

Publication number: CN217707553U
Application number: CN202220702780.4U
Authority: CN
Inventors: 吴刚; 林明高; 苏敬森; 董林涵
Original assignee: Kunshan Junyucheng Precision Mould Co ltd
Current assignee: Kunshan Junyucheng Precision Mould Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-11-01
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a straight line electromagnetic vibrator uses in vibrator technical field, to the problem that vibration buffering effect is poor, the feed rate is low, its technical scheme main points are: the vibration-proof device comprises a base and a fixed seat arranged above the base, wherein a magnet mounting seat is arranged above the fixed seat, and a direct vibration component for causing the product to vibrate is arranged on the magnet mounting seat; a buffering component which has a buffering effect on the vibration force is arranged at the joint of the magnet mounting seat and the fixed seat, and the buffering component comprises an elastic piece buffering device and a counterweight piece buffering device which are arranged on the side surface of the magnet mounting seat in the width direction; the vibration feeding device has the technical effects that the vibration feeding device is provided with a vibration buffering structure, the device is stable in operation and low in noise during vibration feeding, and the requirements of stable and high-speed feeding of precise electronic components can be met.

Description

Linear electromagnetic vibrator

Technical Field

The utility model relates to a vibrator technical field, more specifically say, it relates to a straight line electromagnetic vibrator.

Background

The linear electromagnetic vibrator is a device for automatically and directionally feeding materials and is often matched with a vibration disc for use; the linear electromagnetic vibrator mainly comprises a vibrating plate, an electromagnet, an armature, an elastic sheet and the like, wherein the electromagnet is electrified at a certain frequency, and the armature is attracted by the magnetic force of the electromagnet to carry out directional vibration.

The precision electronic component has small volume, light weight and high product precision, and a part array is often required to pass through stably at high speed in the vibration feeding process of the precision electronic component; however, in the actual vibration process, the overall vibration amplitude of the linear electromagnetic vibrator is relatively large, and the vibration of the vibrating plate causes the base of the linear electromagnetic vibrator to vibrate, so that the vibration feeding effect is affected, the vibration feeding speed is reduced, and the requirements of high-speed and stable feeding of precision parts cannot be met.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a linear electromagnetic vibrator, its advantage is to have vibration buffer structure, and equipment operates steadily during the vibration pay-off, the noise is little, can satisfy the demand that accurate electron component is steady, high-speed pay-off.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a linear electromagnetic vibrator comprises a base and a fixed seat arranged above the base, wherein a magnet mounting seat is arranged above the fixed seat, and a direct vibration assembly for causing the vibration of a product is arranged on the magnet mounting seat; the magnet installation seat is provided with the buffering subassembly that plays the cushioning effect to the vibrational force with the junction of fixing base, the buffering subassembly is including setting up shell fragment buffer and the counterweight plate buffer on magnet installation seat width direction's side.

According to the scheme, the magnet mounting seat is arranged, so that the direct vibration component is stably mounted; the direct vibration component can generate direct vibration force on the product, so that the directional feeding of the product is realized; the arrangement of the buffer assembly is beneficial to preventing the vibration force generated by the direct vibration assembly from being directly transmitted to the fixed seat and the base, so that the vibration frequency and the vibration efficiency of the product are weakened, and the feeding speed is increased; on the other hand, the vibration force that fixing base and base received can be slowed down, make equipment operation stable, the noise is little, the difficult surface that damages the precision part.

Further, the direct vibration assembly comprises a vibration plate arranged above the magnet mounting seat, vibration elastic sheet groups arranged at two ends of the vibration plate in the length direction, an electromagnet arranged below the vibration plate and a magnetic force action block; the lower side of the vibrating plate is provided with a U-shaped first mounting groove and a U-shaped second mounting groove in parallel along the length direction, an L-shaped magnet fixing block is arranged on the side surface of the first mounting groove, and the electromagnet is arranged on the magnet fixing block; one side of the magnetic force action block is attached to the end part of the magnet fixing block, a limiting block is arranged at the upper end of the magnetic force action block, and a vibration gap is reserved between the upper end of the limiting block and the lower end of the vibration plate.

The beneficial effects are that: a track is connected above the vibrating plate, precision parts to be fed are placed on the track, the electromagnet is used for attracting the magnetic force action block to drive the vibrating plate to vibrate, so that vibrating elastic sheet sets at two ends of the vibrating plate are caused to shake violently, the shaking of the vibrating elastic sheets enables the vibrating plate to produce frequent amplitude, and finally, the parts in the track can be fed forwards quickly; the size of the gap between the vibrating plate and the magnetic action block can be adjusted by adjusting the structure and the size of the limiting block, so that the amplitude of the vertical vibration of the vibrating plate is controlled.

Furthermore, the elastic piece buffer device comprises an elastic piece fixing strip, an elastic piece fixing block and a buffer elastic piece; two ends of the elastic sheet fixing strip are respectively arranged on the vibrating plate and the magnet mounting seat; two ends of the elastic sheet fixing block are respectively arranged on the fixing seat and the magnet mounting seat; the opposite ends of the elastic sheet fixing strip and the elastic sheet fixing block are not abutted; the elastic sheet fixing strip and the elastic sheet fixing block are connected through the buffering elastic sheet.

The shell fragment fixed strip is connected through buffering the shell fragment with the shell fragment fixed block in this scheme, and the shell fragment fixed strip is connected the vibration board with the magnet mount pad, and the shell fragment fixed block is connected fixing base and magnet mount pad, and consequently, above-mentioned structure can be in the same place vibration board, magnet mount pad, fixing base three is installed through buffering the shell fragment, guarantees that the vibration board has certain amplitude, and simultaneously, the buffering shell fragment can unload the power to the vibration of three junction, alleviates the vibration of fixing base and magnet mount pad.

Furthermore, a balancing weight is arranged in the second mounting groove.

The beneficial effects are that: the balancing weight is favorable for improving the load of equipment and enhancing the performance stability of the equipment.

Furthermore, two groups of U-shaped cavities are arranged on the upper surface of the fixing seat in parallel along the length direction of the fixing seat.

The beneficial effects are that: the contact area of the fixing seat and the magnet mounting seat is reduced due to the arrangement of the two groups of U-shaped cavities, and the U-shaped cavities serve as buffer areas to further slow down the vibration force received by the fixing seat.

Furthermore, each group of vibration elastic sheet group comprises three vibration elastic sheets, and an amplitude inductor is arranged at one end, far away from the vibration plate, of the vibration elastic sheet group.

The beneficial effects are that: the resonance of the three vibrating elastic sheets can generate violent shaking, so that the rapid material running of the precision parts is realized; the setting of amplitude inductor is favorable to the range of accurate control vibration shell fragment group bullet, and after vibration shell fragment group contacted the amplitude inductor, the amplitude inductor was assigned the signal of switching electromagnetic frequency, realized vibration frequency's control.

Furthermore, the elastic sheet buffering devices are provided with four groups, wherein two groups of elastic sheet buffering devices are arranged at two ends of one side of the magnet mounting seat in the width direction, and the other two groups of elastic sheet buffering devices are symmetrically arranged at the other side of the magnet mounting seat in the width direction of the magnet mounting seat.

The beneficial effects are that: four group's shell fragment buffer have improved buffering effect, and the operation of equipment is more steady, and the material feeding speed is fast.

Furthermore, the both sides of the width direction of magnet mount pad are provided with the apron, counterweight plate buffer set up in the outside of apron with the position that the electro-magnet corresponds, counterweight plate buffer includes two sets of counterweight plates that fold mutually.

The beneficial effects are that: the arrangement of the cover plate can protect the linear vibration assembly and the buffering assembly, thereby enhancing the structural stability of the equipment and prolonging the service life; the arrangement of the counterweight plate buffer device can further improve the loading capacity of the equipment, and meanwhile, the arrangement is favorable for relieving the vibration force on the side face of the electromagnet and improving the running stability of the equipment.

To sum up, the utility model discloses following beneficial effect has:

1. according to the scheme, the buffering assembly consisting of the elastic sheet buffering device and the counterweight buffering device is arranged, so that the vibration force generated by the direct vibration assembly can be prevented from being directly transmitted to the fixed seat and the base to influence the vibration frequency and the vibration effect of a product, high-speed material running of precision parts is realized, the feeding speed can reach 3000-4000 particles/minute, the equipment is stable in operation and low in noise, and the surface of the precision parts is not easily damaged;

2. according to the scheme, the loading capacity of the equipment is enhanced, the operation stability of the equipment is improved, and the service life of the equipment is prolonged through the built-in balancing weight; due to the arrangement of the amplitude inductor, the automation degree of equipment is improved, the vibration frequency can be accurately controlled, and the feeding stability is ensured.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment;

FIG. 2 is a schematic view of a partial structure of the hidden cover plate of the present embodiment;

fig. 3 is an exploded schematic view of fig. 2.

In the figure: 1. a base; 2. a fixed seat; 3. a magnet mounting base; 4. a cover plate; 5. a direct vibration component; 51. a vibrating plate; 52. vibrating the elastic sheet set; 53. an electromagnet; 54. a magnetic action block; 6. a buffer assembly; 61. a spring plate buffer device; 611. a spring plate fixing strip; 612. the elastic sheet fixing block; 613. a buffering elastic sheet; 62. a counterweight plate buffer device; 7. an amplitude sensor; 8. a first mounting groove; 9. a second mounting groove; 10. a magnet fixing block; 11. a limiting block; 12. a balancing weight; 13. a U-shaped cavity.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and embodiments.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b):

as shown in fig. 1, a linear electromagnetic vibrator includes a base 1 and a fixing seat 2 disposed above the base 1, a magnet mounting seat 3 is disposed above the fixing seat 2, and cover plates 4 are disposed on two sides of the magnet mounting seat 3 in the width direction.

As shown in fig. 2, a straight vibration component 5 and a buffer component 6 are arranged on the magnet mounting seat 3, and the straight vibration component 5 is used for causing the product to vibrate; the direct vibration assembly 5 comprises a vibration plate 51 arranged above the magnet mounting seat 3, vibration elastic sheet groups 52 arranged at two ends of the length direction of the vibration plate 51, an electromagnet 53 arranged below the vibration plate 51 and a magnetic force action block 54; in order to increase the dithering frequency, each group of vibrating reed sets 52 includes three vibrating reeds;

the vibration shell fragment group 52 is provided with the amplitude inductor 7 far away from the one end of vibration board 51, and the effect of amplitude inductor 7 is as contact switch, and after the vibration shell fragment touch the vibration inductor, the vibration inductor can give down the signal of switching electromagnetic frequency, realizes vibration frequency's control.

As shown in fig. 3, a U-shaped first mounting groove 8 and a U-shaped second mounting groove 9 are arranged in parallel along the longitudinal direction on the lower side of the vibrating plate 51, an L-shaped magnet fixing block 10 is arranged on the side surface of the first mounting groove 8, and an electromagnet 53 is arranged on the magnet fixing block 10; one side of the magnetic force action block 54 is attached to the end part of the magnet fixing block 10, the upper end of the magnetic force action block 54 is provided with a limiting block 11, and a vibration gap is reserved between the upper end of the limiting block 11 and the lower end of the vibration plate 51; a balancing weight 12 is arranged in the second mounting groove 9.

As shown in fig. 3, the buffer assembly 6 is arranged at the joint of the magnet mounting seat 3 and the fixed seat 2, and the buffer assembly 6 can buffer the vibration force; the buffer assembly 6 comprises an elastic sheet buffer device 61 arranged on the side surface of the magnet mounting seat 3 in the width direction and a counterweight plate buffer device 62 arranged on the outer side of the cover plate 4, and the counterweight plate buffer device 62 is arranged corresponding to the electromagnet 53; the upper surface of the fixing seat 2 is provided with two groups of U-shaped cavities 13 in parallel along the length direction of the fixing seat 2.

As shown in fig. 3, the spring buffering device 61 includes a spring fixing bar 611, a spring fixing block 612 and a buffering spring 613; both ends of the elastic fixing bar 611 are respectively disposed on the vibrating plate 51 and the magnet mounting base 3; two ends of the elastic piece fixing block 612 are respectively arranged on the fixing seat 2 and the magnet mounting seat 3; the opposite ends of the spring fixing strip 611 and the spring fixing block 612 are not abutted; the elastic sheet fixing strip 611 and the elastic sheet fixing block 612 are connected by the buffering elastic sheet 613; the spring plate buffering devices 61 in this embodiment are provided with four groups, two of which are arranged at two ends of one side of the magnet mounting base 3 in the width direction, and the other two groups are symmetrically arranged at the other side of the magnet mounting base 3 along the width direction of the magnet mounting base 3; the weight plate cushioning device 62 comprises two sets of stacked weight plates.

The utility model discloses a theory of operation and working process as follows:

when the device is used, a track is required to be connected above the vibrating plate 51, and the precision parts to be fed are placed on the track; after the power is switched on, the electromagnet 53 attracts the magnetic force action block 54 to drive the vibration plate 51 to vibrate, so that the vibration elastic sheet groups 52 at the two ends of the vibration plate 51 are caused to shake violently, the vibration elastic sheets shake to enable the vibration plate 51 to generate frequent amplitude, the buffer assembly 6 is arranged at the joint of the vibration plate 51, the magnet mounting base 3 and the fixed base 2, the buffer assembly 6 buffers the vibration force at the joint of the vibration plate 51, the magnet mounting base 2 and the fixed base 1, and the parts in the track are prevented from being scattered and transmitted to the fixed base 2 and the base 1, and finally the parts are quickly fed forwards; the equipment has stable operation, high feeding speed and high efficiency.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A linear electromagnetic vibrator comprises a base (1) and a fixed seat (2) arranged above the base (1), and is characterized in that a magnet mounting seat (3) is arranged above the fixed seat (2), and a direct vibration assembly (5) for inducing the vibration of a product is arranged on the magnet mounting seat (3); the magnet mounting seat is characterized in that a buffer component (6) for buffering vibration force is arranged at the joint of the magnet mounting seat (3) and the fixing seat (2), and the buffer component (6) comprises an elastic piece buffer device (61) and a counterweight piece buffer device (62) which are arranged on the side face of the magnet mounting seat (3) in the width direction.

2. The linear electromagnetic vibrator according to claim 1, wherein said linear vibration assembly (5) comprises a vibration plate (51) disposed above said magnet mounting seat (3), a vibration spring set (52) disposed at both ends of said vibration plate (51) in a length direction, an electromagnet (53) disposed below said vibration plate (51), and a magnetic force acting block (54); a U-shaped first mounting groove (8) and a U-shaped second mounting groove (9) are arranged in parallel along the length direction on the lower side of the vibrating plate (51), an L-shaped magnet fixing block (10) is arranged on the side surface of the first mounting groove (8), and the electromagnet (53) is arranged on the magnet fixing block (10); one side of the magnetic action block (54) is attached to the end of the magnet fixing block (10), a limiting block (11) is arranged at the upper end of the magnetic action block (54), and a vibration gap is reserved between the upper end of the limiting block (11) and the lower end of the vibration plate (51).

3. A linear electromagnetic vibrator according to claim 2, characterized in that said spring buffer means (61) comprises spring holding bars (611), spring holding blocks (612) and buffer springs (613); two ends of the elastic sheet fixing strip (611) are respectively arranged on the vibrating plate (51) and the magnet mounting seat (3); two ends of the elastic sheet fixing block (612) are respectively arranged on the fixed seat (2) and the magnet mounting seat (3); the opposite ends of the elastic sheet fixing strip (611) and the elastic sheet fixing block (612) are not abutted; the elastic sheet fixing strip (611) and the elastic sheet fixing block (612) are connected through the buffering elastic sheet (613).

4. A linear electromagnetic vibrator according to claim 3, characterized in that a weight (12) is provided in the second mounting groove (9).

5. A linear electromagnetic vibrator according to claim 4, characterized in that the upper surface of the holder (2) is provided with two sets of U-shaped cavities (13) arranged side by side along the length of the holder (2).

6. A linear electromagnetic vibrator according to claim 3, characterized in that each group of said vibrating reed set (52) comprises three vibrating reeds, and an amplitude sensor (7) is disposed at an end of said vibrating reed set (52) away from the vibrating plate (51).

7. The linear electromagnetic vibrator according to claim 6, wherein said elastic piece buffering means (61) are provided in four groups, two groups of which are provided at both ends of one side of the magnet mounting base (3) in the width direction, and the other two groups are symmetrically provided at the other side of the magnet mounting base (3) in the width direction of the magnet mounting base (3).

8. The linear electromagnetic vibrator according to claim 7, wherein cover plates (4) are provided on both sides of the magnet mounting base (3) in the width direction, the weight plate buffering means (62) is provided on the outer side of the cover plate (4) at a position corresponding to the electromagnet (53), and the weight plate buffering means (62) comprises two sets of stacked weight plates.