Vibrating screen capable of preventing screen body from being cracked due to vibration

Abstract

The utility model relates to the technical field of vibrating screens, and discloses a vibrating screen capable of preventing a screen body from vibration cracking, which solves the problem that a welding seam of a steel plate of the screen body is prone to vibration cracking due to the fact that an existing vibrating motor is directly fixed on the steel plate of the screen body. Seat plates are fixedly mounted on the sides, away from each other, of the two steel channels, vibration motors are arranged on the sides, away from each other, of the two seat plates, the vibration motors are fixed to the seat plates through bolts, and a supporting mechanism is arranged below the screen body; according to the vibrating screen, the channel steel is welded on the screen body, the two ends of the channel steel extend out of the screen body, the seat plate is welded on the extending channel steel, and the two ends of the seat plate are fixed and limited by the pressing seats, so that the impact force of the vibrating motor on the screen body is greatly reduced, and the screen body is prevented from being cracked due to vibration.

Description

Technical Field

[0001] The utility model belongs to the technical field of vibrating screens, in particular to a vibrating screen that prevents a screen body from vibrating and cracking. Background Art

[0002] Vibrating screen is a screening equipment that uses the reciprocating vibration generated by the excitation of the vibrator. It is widely used in quarries, coal preparation, ore dressing, building materials, electric power and chemical industries for product grading, dehydration, desludging and de-mediuming. Vibrating screens can be divided into light and heavy types. Light vibrating screens are usually used for screening in the food, medicine and other industries, while heavy vibrating screens are mostly used for screening ores and are often used together with crushers.

[0003] The vibrating conveyor screen is an important component of shot blasting equipment. Compared with spiral conveyor, it can better separate sand and shot when shot blasting castings. However, in the previous design and production of vibrating conveyor screens, the vibration motor is directly fixed on the screen steel plate. As a result, the vibration motor often cracks the weld of the screen steel plate during the use of the vibrating screen, affecting the normal use of the equipment. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a vibrating screen that prevents the screen body from vibrating and cracking, which effectively solves the problem that the current vibration motor is directly fixed on the screen body steel plate, which easily leads to vibration cracking of the screen body steel plate weld.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vibrating screen for preventing the screen body from vibrating and cracking, comprising a screen body, channel steels are fixedly installed on both sides of the screen body, seat plates are fixedly installed on the sides of the two channel steels away from each other, vibration motors are provided on the sides of the two seat plates away from each other, the vibration motors are fixed to the seat plates by bolts, and a supporting mechanism is provided under the screen body.

[0006] Preferably, the support mechanism comprises a bottom plate located directly below the screen body, two vertical frames are symmetrically fixedly mounted on the top of the bottom plate, vertical plates are movably sleeved in the two vertical frames, and the tops of the two vertical plates are respectively fixed to the bottoms of the two channel steels.

[0007] Preferably, a limiting groove is provided on the outer side of the vertical frame, a limiting block is slidably connected in the limiting groove, and the limiting block is fixed to the outer side of the vertical plate.

[0008] Preferably, a guide rod is fixedly connected between the two vertical frames, and two guide blocks are symmetrically and movably sleeved on the outer side of the guide rod. The bottom of the two guide blocks are provided with support wheels located on the top of the bottom plate. The tops of the two guide blocks are rotatably connected to drive rods, and the top ends of the two drive rods are rotatably connected to the two vertical plates respectively.

[0009] Preferably, a sleeve block is fixedly sleeved on the middle part of the outer side of the guide rod, the sleeve block is located between the two guide blocks, springs are fixedly connected between the two guide blocks and the sleeve block, and the two springs are sleeved on the outer side of the guide rod.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) The utility model, by welding the channel steel to the screen body, the two ends of the channel steel protrude out of the screen body, and the seat plate is welded to the protruding channel steel, and the two ends of the seat plate are fixed and limited by the pressure seat, thereby greatly reducing the impact force of the vibration motor on the screen body and avoiding the screen body from vibrating and cracking;

[0012] (2) The new type drives the vibration of the vertical plate when the screen body vibrates through the cooperation between the vertical plate and the vertical frame, and the limit groove and the limit block, and deforms the spring through the cooperation between the driving rod and the guide block, and the support wheel and the guide rod, so that the screen body can fully vibrate under the action of the spring elasticity. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 This is a schematic diagram of the structure of a vibrating screen for preventing the screen body from vibrating and cracking according to the utility model;

[0016] Figure 2 This is a schematic diagram of the support mechanism structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the guide rod structure of the utility model;

[0018] In the figure: 1. screen body; 2. supporting mechanism; 201. bottom plate; 202. guide rod; 203. limit block; 204. limit slot; 205. drive rod; 206. sleeve block; 207. vertical plate; 208. vertical frame; 209. spring; 2010. supporting wheel; 2011. guide block; 3. channel steel; 4. bolt; 5. vibration motor; 6. seat plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Embodiment 1, by Figure 1 The utility model comprises a screen body 1, channel steels 3 are fixedly installed on both sides of the screen body 1, seat plates 6 are fixedly installed on the sides of the two channel steels 3 away from each other, vibration motors 5 are provided on the sides of the two seat plates 6 away from each other, and the vibration motors 5 are fixed on the seat plates 6 by bolts 4, and a support mechanism 2 is provided below the screen body 1;

[0021] When in use, firstly, the channel steel 3 is welded to the outside of the screen body 1 so that both ends of the channel steel 3 extend out of the screen body 1, then the seat plate 6 is welded to the extended channel steel 3, and the two ends of the seat plate 6 are fixed and limited by press seats, and finally the vibration motor 5 is fixed to the seat plate 6 by bolts 4. When the vibration motor 5 is started, the screen body 1 vibrates, thereby greatly reducing the impact force of the vibration motor 5 on the screen body 1 and avoiding vibration cracking of the screen body 1.

[0022] Specifically, by Figure 2-3 The support mechanism 2 includes a bottom plate 201 located directly below the screen body 1, two vertical frames 208 are symmetrically fixedly installed on the top of the bottom plate 201, and vertical plates 207 are movably sleeved in the two vertical frames 208. The tops of the two vertical plates 207 are respectively fixed to the bottoms of the two channel steels 3. The outer side of the vertical frame 208 is provided with a limit groove 204, and the limit groove 204 is slidably connected to the limit block 203, and the limit block 203 is fixed to the outer side of the vertical plate 207. A guide rod 202 is fixedly connected between the two vertical frames 208, and two vertical plates 207 are symmetrically sleeved on the outer side of the guide rod 202. A guide block 2011, the bottom of each of the two guide blocks 2011 is provided with a support wheel 2010 located at the top of the bottom plate 201, the tops of the two guide blocks 2011 are rotatably connected to a driving rod 205, the tops of the two driving rods 205 are rotatably connected to two vertical plates 207 respectively, a sleeve block 206 is fixedly sleeved in the middle of the outer side of the guide rod 202, the sleeve block 206 is located between the two guide blocks 2011, and springs 209 are fixedly connected between the two guide blocks 2011 and the sleeve block 206, and the two springs 209 are sleeved on the outer side of the guide rod 202;

[0023] When in use, when the screen body 1 vibrates, the two vertical plates 207 are driven to slide along the two vertical frames 208 respectively, and then the two guide blocks 2011 are driven to slide along the guide rods 202 respectively through the two driving rods 205. Since the bottoms of the two guide blocks 2011 are provided with support wheels 2010 located on the top of the bottom plate 201, it is ensured that the guide blocks 2011 can move horizontally, and at the same time the two springs 209 are deformed. Finally, the screen body 1 is fully vibrated under the elastic action of the springs 209.

Claims

1. A vibrating screen for preventing screen body from vibrating and cracking, comprising a screen body (1), Features: Channel steels (3) are fixedly mounted on both sides of the screen body (1); seat plates (6) are fixedly mounted on the sides of the two channel steels (3) that are away from each other; vibration motors (5) are provided on the sides of the two seat plates (6) that are away from each other; the vibration motors (5) are fixed to the seat plates (6) by bolts (4); and a support mechanism (2) is provided below the screen body (1).

2. A vibrating screen for preventing screen body from vibrating and cracking according to claim 1, Features: The support mechanism (2) comprises a bottom plate (201) located directly below the screen body (1), two vertical frames (208) are symmetrically fixedly installed on the top of the bottom plate (201), vertical plates (207) are movably sleeved in the two vertical frames (208), and the tops of the two vertical plates (207) are respectively fixed to the bottoms of the two channel steels (3).

3. A vibrating screen for preventing screen body from cracking according to claim 2, Features: A limiting groove (204) is provided on the outer side of the vertical frame (208), a limiting block (203) is slidably connected in the limiting groove (204), and the limiting block (203) is fixed on the outer side of the vertical plate (207).

4. A vibrating screen for preventing screen body from cracking according to claim 2, Features: A guide rod (202) is fixedly connected between the two vertical frames (208); two guide blocks (2011) are symmetrically and movably sleeved on the outer side of the guide rod (202); the bottoms of the two guide blocks (2011) are provided with support wheels (2010) located on the top of the bottom plate (201); the tops of the two guide blocks (2011) are rotatably connected to drive rods (205); and the tops of the two drive rods (205) are rotatably connected to the two vertical plates (207) respectively.

5. A vibrating screen for preventing screen body from cracking according to claim 4, Features: A sleeve block (206) is fixedly sleeved in the middle of the outer side of the guide rod (202); the sleeve block (206) is located between the two guide blocks (2011); springs (209) are fixedly connected between the two guide blocks (2011) and the sleeve block (206); and the two springs (209) are sleeved on the outer side of the guide rod (202).

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