Efficient electromagnetic vibration exciter

Abstract

The utility model belongs to the technical field of feeding equipment, and relates to a high-efficiency electromagnetic vibration exciter which comprises a base assembly serving as an installation foundation and used for outputting excitation, a sealing connection bottom plate of the base assembly is connected with a shell assembly in a sealing mode, and a base rectangular groove pipe penetrates through the sealing connection bottom plate and then extends into the shell assembly. The plate spring assembly is arranged in the shell assembly and fixedly connected with a base plate spring connecting plate at the top of the base rectangular groove pipe, the two ends of the plate spring assembly are fixed, and the middle of the plate spring assembly can be bent up and down; the armature assembly is installed in the middle of the top face of the plate spring assembly and moves synchronously with the plate spring assembly. The magnet assembly is arranged above the armature assembly in a matched mode, and during work, the magnet assembly can attract and release the armature assembly. The electromagnetic driver can stably and reliably work for a long time, and the vibration frequency can still be efficiently and reliably adjusted after the electromagnetic driver is used for a long time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of feeding equipment relates to a kind of high-efficiency electromagnetic exciter. BACKGROUND

[0002] Vibrating feeder is commonly used vibrating feeding equipment, the existing vibrating feeder lacks temperature protection function, long time operation can cause coil overheating, affect equipment stability and life. Amplitude adjustment range is limited, and the adaptability to materials with high viscosity or large blockiness is poor, which can cause blockage or decrease in conveying efficiency. After long-term operation, the stiffness of the vibration isolation spring can change, causing excessive vibration of the foundation and frame, which requires frequent adjustment and maintenance. The material properties are required to be higher, and the materials with high viscosity or high humidity can cause poor conveying effect. Air gap adjustment is sensitive and requires frequent debugging by professional personnel, with high maintenance cost. SUMMARY

[0003] The utility model provides a kind of high-efficiency electromagnetic exciter to the above problems, the electromagnetic driver supports large amplitude adjustment, can better adapt to the conveying needs of different materials, with high conveying efficiency, stable operation and reduced maintenance frequency.

[0004] According to the technical scheme of the utility model: a kind of high-efficiency electromagnetic exciter, characterized by comprising:

[0005] A base assembly is provided as a mounting base and is used to output excitation. The sealing connection bottom plate of the base assembly is sealingly connected to the shell assembly. The base rectangular groove pipe penetrates the sealing connection bottom plate and extends into the shell assembly.

[0006] A leaf spring assembly is arranged in the shell assembly and is fixedly connected to the base leaf spring connecting plate at the top of the base rectangular groove pipe. The leaf spring assembly is fixed at both ends and can bend up and down at the middle part.

[0007] At least one group of armature assemblies is installed at the middle part of the top surface of the leaf spring assembly and moves synchronously with the leaf spring assembly.

[0008] A magnet assembly corresponding to the armature assembly is arranged above the armature assembly. In operation, the magnet assembly can realize the suction and release action of the armature assembly, and the temperature sensor can prevent the electromagnetic coil of the magnet assembly from burning out.

[0009] As a further improvement of the utility model, a plurality of upper balance plates are arranged above the leaf spring assembly and are stacked one on another. The magnet of the magnet assembly and the armature assembly are located in the inner cavity of the upper balance plate.

[0010] A lower balance plate is arranged below the leaf spring assembly, and the base rectangular groove pipe extends in the inner cavity of the lower balance plate.

[0011] The two ends of the upper balance plate, the plate spring assembly and the lower balance plate are fixed by hexagonal socket head screws.

[0012] As a further improvement of the utility model, the plate spring assembly comprises a plurality of plate springs arranged in parallel, a plate spring gasket is arranged between two adjacent plate springs corresponding to the two ends and the middle part, a plate spring pressing block is arranged on the upper surface and the lower surface of the two ends of the plate spring assembly and the bottom surface of the middle part of the plate spring assembly, an armature connecting plate is arranged on the top surface of the middle part of the plate spring assembly, the armature connecting plate, the plate spring, the plate spring gasket and the corresponding plate spring pressing block are fixedly connected through cross slot countersunk screws, and the lower end of the cross slot countersunk screw is fixedly connected with the base plate spring connecting plate.

[0013] As a further improvement of the utility model, the magnet assembly comprises an electromagnetic connecting plate, a magnet is fixed on the bottom surface of the electromagnetic connecting plate, the two ends of the magnet are fixedly connected with the electromagnetic connecting plate through magnet reinforcing ribs, a temperature control plate is arranged on the side of the magnet, the upper end of the hexagonal socket head screw penetrates through the electromagnetic connecting plate, a nut is threadedly connected on the upper surface of the electromagnetic connecting plate corresponding to the hexagonal socket head screw, an electromagnetic gap adjusting sleeve is arranged on the lower surface of the hexagonal socket head screw, the lower end of the electromagnetic gap adjusting sleeve is pressed against the surface of the adjacent upper balance plate, and the upper end of the electromagnetic gap adjusting sleeve is tightly pressed against the bottom surface of the electromagnetic connecting plate.

[0014] As a further improvement of the utility model, the armature assembly comprises an armature, an armature reinforcing rod is arranged through the two ends of the armature, and the bottom surface of the armature is fixedly connected with the armature connecting plate.

[0015] As a further improvement of the utility model, the base assembly comprises a sealing connection bottom plate, a base groove body connecting plate, a base first reinforcing rib, a base second reinforcing rib, a base rectangular groove pipe and a base plate spring connecting plate, the base groove body connecting plate and the sealing connection bottom plate are arranged in parallel, the base rectangular groove pipe is connected through the sealing connection bottom plate and the base groove body connecting plate, the base plate spring connecting plate is fixedly connected with the top surface of the base rectangular groove pipe, and the sealing connection bottom plate and the base groove body connecting plate are fixedly connected through the base first reinforcing rib and the base second reinforcing rib.

[0016] As a further improvement of the utility model, the shell assembly comprises a first half shell and a second half shell arranged in opposition, the top of the first half shell and the second half shell are fixedly connected through a shell top plate, and the integral ear plate arranged at the edge of the sealing connection bottom plate of the base assembly is fixedly connected with the first half shell and the second half shell.

[0017] The technical effect of the utility model lies in: the utility model supports large-amplitude adjustment, can better adapt to the conveying demand of different materials, especially the material with high viscosity or large block, and the conveying efficiency is higher; through optimization design and control system, the operation is more stable, vibration and noise problems are reduced, and the maintenance frequency is reduced; large-amplitude design and optimization control system make it can handle more types of materials, including high viscosity, high humidity or large block materials; the electromagnetic coil temperature protection function is increased, which can effectively prevent coil overheating damage, prolong the service life of the equipment, and improve the operation safety; the structure design is more reasonable, the sensitivity of air gap adjustment is reduced, the maintenance difficulty is reduced, and the operation is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model.

[0019] Figure 2 It is a structural schematic view of the utility model after removing the shell assembly.

[0020] Figure 3 It is Figure 2 the sectional view of M-M in DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model will be further described below in combination with the drawings.

[0022] In order to make the person skilled in the art better understand the utility model scheme, the technical scheme in the embodiment of the utility model will be described clearly and completely below in combination with the drawings in the embodiment of the utility model, and the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0023] Figures 1-3 In the embodiment, including magnet assembly 10, electromagnetic connecting plate 11, temperature control plate 12, magnet reinforcing rib 13, magnet 14, leaf spring assembly 20, leaf spring pressing block 21, leaf spring 22, leaf spring gasket 23, cross slot countersunk screw 24, base assembly 30, sealing connecting bottom plate 31, base groove connecting plate 32, base first reinforcing rib 33, base second reinforcing rib 34, base rectangular groove pipe 35, base leaf spring connecting plate 36, armature assembly 40, armature 41, armature reinforcing rod 42, armature connecting plate 43, upper balance plate 50, lower balance plate 60, shell assembly 70, first half shell 71, second half shell 72, shell top plate 73 and the like.

[0024] As Figures 1-3As shown, the utility model of a kind of high-efficiency electromagnetic exciter, including base assembly 30, base assembly 30 as installation foundation and for output excitation, the sealing connection bottom plate 31 of base assembly 30 is sealingly connected with shell assembly 70, base rectangular groove pipe 35 is inserted into shell assembly 70 after penetrating the sealing connection bottom plate 31.

[0025] Plate spring assembly 20 is arranged in shell assembly 70, and is fixedly connected with base plate spring connecting plate 36 at the top of base rectangular groove pipe 35, both ends of plate spring assembly 20 are fixed, and the middle part can bend up and down.

[0026] At least one group of armature assembly 40 is installed at the middle part of the top surface of plate spring assembly 20, and moves synchronously with plate spring assembly 20.

[0027] One group of magnet assembly 10 is respectively arranged above each group of armature assembly 40, which can realize the suction and release action of armature assembly 40 during work, and prevent the electromagnetic coil of magnet assembly 10 from burning out through temperature sensor. Figure 3 The structure shown in the middle shows that two groups of magnet assembly 10 are respectively matched with two groups of armature assembly 40, and when 220-volt voltage is used, one group of magnet assembly 10 is matched with the corresponding armature assembly 40; when 380-volt voltage is used, two groups of magnet assembly 10 are matched with two groups of armature assembly 40.

[0028] A plurality of upper balance plates 50 are arranged above plate spring assembly 20 and are stacked in sequence, and magnet 14 of magnet assembly 10 and armature assembly 40 are located in the inner cavity of upper balance plate 50.

[0029] Lower balance plate 60 is arranged below plate spring assembly 20, and base rectangular groove pipe 35 extends in the inner cavity of lower balance plate 60.

[0030] Both ends of upper balance plate 50, plate spring assembly 20 and lower balance plate 60 are respectively locked and fixed by internal hexagonal cylindrical head screw.

[0031] Plate spring assembly 20 includes a plurality of plate springs 22 arranged in parallel, a plate spring gasket 23 is arranged between adjacent two plate springs 22 corresponding to both ends and the middle part, a plate spring pressing block 21 is arranged on the upper surface and the lower surface of both ends of plate spring assembly 20 and the bottom surface of the middle part of plate spring assembly 20, respectively, an armature connecting plate 43 is arranged on the top surface of the middle part of plate spring assembly 20, the armature connecting plate 43, the plate spring 22, the plate spring gasket 23 and the corresponding plate spring pressing block 21 are fixedly connected by cross slot countersunk screw 24, and the lower end of cross slot countersunk screw 24 is fixedly connected with base plate spring connecting plate 36.

[0032] The magnet assembly 10 comprises an electromagnetic connecting plate 11, the bottom surface of the electromagnetic connecting plate 11 is fixed with a magnet 14, the length direction of the magnet 14 is fixedly connected with the electromagnetic connecting plate 11 through a magnet reinforcing rib 13 at both ends, respectively, a temperature control plate 12 is arranged at the side of the magnet 14, a temperature sensor is installed on the temperature control plate 12, the upper end of an internal hexagonal cylindrical head screw penetrates through the electromagnetic connecting plate 11, and a nut is threadedly connected on the upper end of the internal hexagonal cylindrical head screw corresponding to the upper surface of the electromagnetic connecting plate 11, an electromagnetic gap adjusting sleeve is sleeved on the lower surface of the internal hexagonal cylindrical head screw, the lower end of the electromagnetic gap adjusting sleeve is pressed against the surface of the adjacent upper balance plate 50, and the upper end of the electromagnetic gap adjusting sleeve is tightly pressed against the bottom surface of the electromagnetic connecting plate 11. It can be understood that the magnet assembly 10 is an electromagnet assembly.

[0033] The armature assembly 40 comprises an armature 41, an armature reinforcing rod 42 is arranged at both ends of the armature 41, respectively, and the bottom surface of the armature 41 is fixedly connected with an armature connecting plate 43.

[0034] The base assembly 30 comprises a sealing connecting bottom plate 31, a base groove body connecting plate 32, a base first reinforcing rib 33, a base second reinforcing rib 34, a base rectangular groove pipe 35 and a base plate spring connecting plate 36, the base groove body connecting plate 32 and the sealing connecting bottom plate 31 are arranged in parallel with each other, the base rectangular groove pipe 35 is connected through the sealing connecting bottom plate 31 and the base groove body connecting plate 32, the top surface of the base rectangular groove pipe 35 is fixedly connected with the base plate spring connecting plate 36, and the sealing connecting bottom plate 31 and the base groove body connecting plate 32 are fixedly connected through the base first reinforcing rib 33 and the base second reinforcing rib 34.

[0035] The shell assembly 70 comprises a first half shell 71 and a second half shell 72 arranged opposite to each other, the top of the first half shell 71 and the second half shell 72 is fixedly connected through a shell top plate 73, and the edge of the sealing connecting bottom plate 31 of the base assembly 30 is fixedly connected with the first half shell 71 and the second half shell 72 through an integrally connected ear plate.

[0036] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present application and are not limiting, although the present application has been described in detail with reference to examples, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A high efficiency electromagnetic exciter characterized by, The utility model relates to a magnetic contactor, which comprises: a base assembly (30) as a mounting base and for outputting excitation, the base assembly (30) being sealedly connected to a base plate (31) and the base plate (31) being sealedly connected to a housing assembly (70), a base rectangular groove pipe (35) extending through the base plate (31) and extending into the housing assembly (70); a leaf spring assembly (20) arranged in the housing assembly (70) and fixedly connected to a base leaf spring connecting plate (36) at the top of the base rectangular groove pipe (35), the leaf spring assembly (20) having two ends fixed and a middle part capable of bending up and down; at least one group of armature assemblies (40) installed at the middle part of the top surface of the leaf spring assembly (20) and moving synchronously with the leaf spring assembly (20); a magnet assembly (10) corresponding to the armature assemblies (40) and arranged above the armature assemblies (40), which can realize the attracting and releasing action of the armature assemblies (40) and prevent the electromagnetic coil of the magnet assembly (10) from burning out through a temperature sensor.

2. The high efficiency electromagnetic exciter of claim 1, wherein: A plurality of upper balance plates (50) are arranged above the leaf spring assembly (20) and stacked in sequence, and the magnet (14) of the magnet assembly (10) and the armature assemblies (40) are located in the inner cavity of the upper balance plate (50); a lower balance plate (60) is arranged below the leaf spring assembly (20), and the base rectangular groove pipe (35) extends in the inner cavity of the lower balance plate (60); the two ends of the upper balance plate (50), the leaf spring assembly (20) and the lower balance plate (60) are respectively locked and fixed by an internal hexagonal cylindrical head screw.

3. The high efficiency electromagnetic exciter of claim 1 wherein: the magnetic field is substantially uniform across the gap. 5 The leaf spring assembly (20) comprises a plurality of leaf springs (22) arranged in parallel, a leaf spring gasket (23) is arranged between each two adjacent leaf springs (22) corresponding to the two ends and the middle part, an upper surface and a lower surface at the two ends of the length direction of the leaf spring assembly (20) and a bottom surface at the middle part of the leaf spring assembly (20) are respectively provided with a leaf spring pressing block (21), a top surface at the middle part of the leaf spring assembly (20) is provided with an armature connecting plate (43), the armature connecting plate (43), the leaf spring (22), the leaf spring gasket (23) and the corresponding leaf spring pressing block (21) are fixedly connected by a cross slot countersunk screw (24), and the lower end of the cross slot countersunk screw (24) is fixedly connected to the base leaf spring connecting plate (36).

4. The high efficiency electromagnetic exciter of claim 2 wherein: the magnetic field is oriented in a direction that is substantially perpendicular to the direction of the electric field. 5 The magnet assembly (10) comprises an electromagnetic connecting plate (11), the bottom surface of the electromagnetic connecting plate (11) is fixedly connected to a magnet (14), the two ends of the length direction of the magnet (14) are respectively fixedly connected to the electromagnetic connecting plate (11) through a magnet reinforcing rib (13), a temperature control plate (12) is arranged at the side of the magnet (14), an upper end of an internal hexagonal cylindrical head screw penetrates the electromagnetic connecting plate (11), a nut is threadedly connected to the upper surface of the electromagnetic connecting plate (11) on the internal hexagonal cylindrical head screw, an electromagnetic gap adjusting sleeve is sleeved on the lower surface of the internal hexagonal cylindrical head screw, the lower end of the electromagnetic gap adjusting sleeve is pressed against the surface of the adjacent upper balance plate (50), and the upper end of the electromagnetic gap adjusting sleeve is tightly pressed against the bottom surface of the electromagnetic connecting plate (11).

5. The high efficiency electromagnetic exciter of claim 1 wherein: the magnetic field is substantially uniform across the gap. The armature assembly (40) comprises an armature (41), and an armature reinforcing rod (42) is arranged through both ends of the armature (41) respectively, and the bottom surface of the armature (41) is fixedly connected with an armature connecting plate (43).

6. The high efficiency electromagnetic exciter of claim 1 wherein: The base assembly (30) comprises a sealing connecting bottom plate (31), a base groove connecting plate (32), a base first reinforcing rib (33), a base second reinforcing rib (34), a base rectangular groove pipe (35) and a base plate spring connecting plate (36), the base groove connecting plate (32) and the sealing connecting bottom plate (31) are arranged in parallel with each other, the base rectangular groove pipe (35) is connected through the sealing connecting bottom plate (31) and the base groove connecting plate (32), the top surface of the base rectangular groove pipe (35) is fixedly connected with the base plate spring connecting plate (36), and the sealing connecting bottom plate (31) and the base groove connecting plate (32) are fixedly connected through the base first reinforcing rib (33) and the base second reinforcing rib (34).

7. The high efficiency electromagnetic exciter of claim 1 wherein: the magnetic field is substantially uniform across the gap. 5 The shell assembly (70) comprises a first half shell (71) and a second half shell (72) arranged opposite to each other, the top of the first half shell (71) and the second half shell (72) is fixedly connected through a shell top plate (73), and the edge of the sealing connecting bottom plate (31) of the base assembly (30) is fixedly connected with the first half shell (71) and the second half shell (72) through an integrally connected lug plate.

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