Vibrating screen with double vibration exciters

Abstract

The utility model relates to the technical field of vibrating screening equipment, in particular to a vibrating screen with double vibration exciters, ground vibration is effectively isolated and buffering and damping effects are achieved by separating a supporting leg assembly from a vibrating screen body part through a damping spring, and efficient screening operation can be achieved by installing a transmission assembly in the middle of the vibrating screen body part. The combined structure of the side plates and the reinforcing plates and the multiple screen beams which are arranged in the middle and are completely consistent in shape guarantee the stability and strength of the vibrating screen body, the two vibration exciters installed on the side plates are responsible for providing vibration energy needed by screening, the two vibration exciters are connected into a whole through the reinforcing plates and the spring supporting bases, and the vibration energy is saved. The structural strength is effectively improved, so that the stress effect of the vibrating screen body part is better, and the good working performance is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibrating screening equipment technical field, concretely relates to a double exciting vibrator vibrating screen. BACKGROUND

[0002] Current vibrating screening equipment mainly has round vibrating screen, linear vibrating screen and various screening equipment, the exciting vibrator of these vibrating screens is usually arranged at the middle position of the side plate, the side plate is low in height, and the exciting vibrator mounting hole is further arranged in the middle of the side plate, thereby reducing the stress intensity of the side plate.

[0003] The exciting vibrator reinforcing plate and spring support reinforcing plate of the conventional vibrating screen are separately designed, the overall stress is not good, the screen beam pipe is not provided with a protection device, the screen beam pipe is prone to wear, the two exciting vibrators of the conventional vibrating screen are synchronously installed on the vibrating screen body and synchronously vibrate with the vibrating screen, and the service life of the synchronous belt is relatively short. The motor of the transmission mechanism is not provided with a pre-tightening mechanism, and the triangular belt is prone to relaxation, thereby causing the triangular belt and the belt pulley to slip. SUMMARY

[0004] The utility model discloses a double exciting vibrator vibrating screen to overcome the defects of the prior art and solve the above problems.

[0005] The utility model discloses a double exciting vibrator vibrating screen, including vibrating screen body part, the lower extreme of vibrating screen body part is equipped with support leg subassembly, the support leg subassembly is equipped with damping spring between vibrating screen body part, the middle part of vibrating screen body part is equipped with transmission subassembly, vibrating screen body part includes side plate, reinforcing plate, screen beam, two exciting vibrators and spring support seat, the side plate is connected with reinforcing plate, and the middle of two side plates is provided with a plurality of screen beams of identical shape structure, the spring support seat is arranged at the both ends of reinforcing plate, and two exciting vibrators are arranged on the side plate.

[0006] Preferably, the support leg subassembly includes high-position support legs and low-position support legs, and the high-position support legs and the low-position support legs are respectively located on both sides of the lower end of the vibrating screen body part.

[0007] Preferably, the transmission subassembly includes motor support legs, a motor, a triangular belt, transmission shafts, and synchronous belts, the motor is installed on the motor support legs, the output end of the motor is provided with the triangular belt, the synchronous belts connect the two transmission shafts together and drive the two transmission shafts to operate synchronously, and the transmission shafts transmit power to the exciting vibrators of the vibrating screen body part through universal couplings.

[0008] Preferably, the motor support legs are provided with a motor mounting seat plate, the motor is installed on the motor mounting seat plate, and the motor mounting seat plate is provided with a spring pre-tightening piece.

[0009] Preferably, the screen beam is provided with a screen beam protection pipe, the screen beam protection pipe is provided with a support plate in the vertical direction, and the support plate is provided with a screen.

[0010] The utility model has the following beneficial effects:

[0011] 1. The double-exciter vibrating screen separates the supporting leg assembly from the vibrating screen body by the damping spring, effectively isolates the ground vibration and plays a buffering and damping effect; the transmission assembly is installed in the middle of the vibrating screen body part, which can realize efficient screening operation; the combination structure of the side plate and the reinforcing plate is completely consistent with the multiple screen beams arranged in the middle, which ensures the stability and strength of the vibrating screen body; the two excitation devices installed on the side plate provide the vibration energy required for screening, and the reinforcing plate and the spring support seat are connected into a whole, which effectively improves the structural strength and makes the vibrating screen body part better in stress effect, ensuring its good working performance.

[0012] 2. The output end of the motor is provided with a triangular belt, the synchronous belt connects the two transmission shafts together and drives the two transmission shafts to run synchronously, the transmission shaft transmits power to the excitation device of the vibrating screen body part through the universal joint, and the excitation device and the synchronous belt are located on the transmission assembly and do not follow the movement of the vibrating screen, prolonging the service life of the excitation device and the synchronous belt.

[0013] 3. The motor leg is provided with a motor mounting plate, the motor is mounted on the motor mounting plate, the motor mounting plate is provided with a spring pre-tightening piece, the motor mounting plate is designed in a pre-tightening structure, and through the cooperation of the spring locking piece, the triangular belt can be effectively prevented from loosening, and slipping of the triangular belt during use due to relaxation is avoided.

[0014] 4. The screen beam is provided with a screen beam protection pipe, the screen beam protection pipe is provided with a support plate in the vertical direction, and the support plate is provided with a screen, the screen beam protection pipe can not only strengthen the strength of the screen beam, but also prevent the screen beam from being worn, improve the use effect of the screen beam and prolong the service life of the screen beam. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the description of the specific embodiments or the prior art. Obviously, the drawings described below are only one embodiment of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the front view of the vibrating screen body part of the utility model;

[0018] Figure 3 is a side view of the vibration screen body part of the utility model;

[0019] Figure 4 is a front view of the transmission assembly of the utility model;

[0020] Figure 5 is a side view of the transmission assembly of the utility model;

[0021] The signs in the drawings are:

[0022] 1, vibration screen body part; 11, side plate; 12, reinforcing plate; 13, screen beam; 14, spring support seat; 15, exciter; 21, high position supporting leg; 22, low position supporting leg; 3, damping spring; 4, transmission assembly; 41, motor; 42, motor supporting leg; 43, transmission shaft; 44, triangular belt; 45, synchronous belt; 5, motor mounting seat plate; 6, spring pre-tightening piece; 7, screen beam protection pipe; 8, supporting plate; 9, screen mesh. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the following will clearly and completely describe the technical solutions in the specific embodiments of the utility model, so as to further illustrate the utility model. Obviously, the described specific embodiments are only a part of the embodiments of the utility model, not all the styles.

[0024] The following will be combined with the drawings Figures 1-5 The utility model will be further described in detail.

[0025] Embodiment 1:

[0026] A double-excitation-vibrator vibration screen, comprising a vibration screen body part 1, a supporting leg assembly is installed at the lower end of the vibration screen body part 1, a damping spring 3 is installed between the supporting leg assembly and the vibration screen body part 1, a transmission assembly 4 is installed at the middle part of the vibration screen body part 1, the vibration screen body part 1 comprises a side plate 11, a reinforcing plate 12, a screen beam 13, two exciters 15 and a spring support seat 14, the side plate 11 is connected with the reinforcing plate 12, a plurality of screen beams 13 with the same shape structure are arranged in the middle of the two side plates 11, the spring support seat 14 is arranged at the two ends of the reinforcing plate 12, and the two exciters 15 are arranged on the side plate 11.

[0027] The scheme separates the leg assembly from the vibrating screen body 1 through the damping spring 3, effectively isolates the ground vibration and plays a buffering effect; the transmission assembly 4 is installed in the middle of the vibrating screen body 1, which can realize efficient screening operation, and the combination structure of the side plate 11 and the reinforcing plate 12 is completely consistent with the multiple screen beams 13 arranged in the middle, which ensures the stability and strength of the vibrating screen body, and the two exciters 15 installed on the side plate 11 are responsible for providing the vibration energy required for screening, and are connected into a whole through the reinforcing plate 12 and the spring support 14, effectively improving the structural strength to make the vibrating screen body 1 better in stress effect, and ensuring its good working performance.

[0028] In the embodiment, the leg assembly includes high-positioned legs 21 and low-positioned legs 22, which are respectively located on both sides of the lower end of the vibrating screen body 1 to realize a more stable support structure, thereby effectively improving the working reliability and use safety of the vibrating screen.

[0029] In the embodiment, the transmission assembly 4 includes a motor leg 42, a motor 41, a triangular belt 44, a transmission shaft 43, and a synchronous belt 45, the motor 41 is installed on the motor leg 42, the output end of the motor 41 is provided with the triangular belt 44, the synchronous belt 45 connects the two transmission shafts 43 together and drives the two transmission shafts 43 to run synchronously, the transmission shaft 43 transmits power to the exciter 15 of the vibrating screen body 1 through the universal joint, and the exciter 15 and the synchronous belt 45 are both located on the transmission assembly 4 and do not follow the movement of the vibrating screen, thereby prolonging the service life of the exciter 15 and the synchronous belt 45.

[0030] In the embodiment, the motor leg 42 is provided with a motor mounting plate 5, the motor 41 is installed on the motor mounting plate 5, the motor mounting plate 5 is provided with a spring pre-tightening piece 6, the motor mounting plate 5 is designed in a pre-tightening structure, and through the cooperation of the spring pre-tightening piece 6, the triangular belt 44 can be effectively prevented from loosening to avoid slipping due to loosening during use.

[0031] In the embodiment, the screen beam 13 is provided with a screen beam protection pipe 7, the screen beam protection pipe 7 is provided with a support plate 8 in the vertical direction, and the screen mesh 9 is installed on the support plate 8, the screen beam protection pipe 7 can not only strengthen the strength of the screen beam 13, but also prevent the screen beam 13 from being abraded, thereby improving the use effect and prolonging the service life of the screen beam 13.

[0032] It should be noted that according to the needs of implementation, each component described in the embodiments of the present application can be split into more components, or two or more components or parts of components can be combined into new components to achieve the purpose of the embodiments of the present application. The above embodiments only express several implementation modes of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A dual-shaker vibrating screen, characterized by: Including the vibration sieve body part (1), the lower end of the vibration sieve body part (1) is provided with a support leg assembly, the support leg assembly is provided with a damping spring (3) between the vibration sieve body part (1), the middle part of the vibration sieve body part (1) is provided with a transmission assembly (4), the vibration sieve body part (1) includes a side plate (11), a reinforcing plate (12), a sieve beam (13), two vibration exciters (15) and a spring support seat (14), the side plate (11) is connected with the reinforcing plate (12), a plurality of sieve beams (13) with identical shape structure are arranged in the middle of the two side plates (11), the spring support seat (14) is arranged at both ends of the reinforcing plate (12), and the two vibration exciters (15) are arranged on the side plate (11).

2. A double-shaker vibrating screen according to claim 1, characterized in that: The support leg assembly includes a high support leg (21) and a low support leg (22), and the high support leg (21) and the low support leg (22) are located on both sides of the lower end of the vibration sieve body part (1) respectively.

3. A double-shaker vibrating screen according to claim 1, characterized in that: The transmission assembly (4) includes a motor support leg (42), a motor (41), a triangular belt (44), a transmission shaft (43) and a synchronous belt (45), the motor (41) is installed on the motor support leg (42), the output end of the motor (41) is provided with the triangular belt (44), the synchronous belt (45) connects the two transmission shafts (43) together and drives the two transmission shafts (43) to run synchronously, and the transmission shaft (43) transmits power to the vibration exciter (15) of the vibration sieve body part (1) through a universal joint.

4. A double-shaker vibrating screen according to claim 3, characterized in that: The motor support leg (42) is provided with a motor mounting seat plate (5), the motor (41) is installed on the motor mounting seat plate (5), and the motor mounting seat plate (5) is provided with a spring pre-tightening piece (6).

5. A dual-shaker vibrating screen according to claim 1, wherein: The sieve beam (13) is provided with a sieve beam protection pipe (7), the sieve beam protection pipe (7) is provided with a support plate (8) in the vertical direction, and the support plate (8) is provided with a screen (9).

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