CN211100033U

CN211100033U - Triaxial horizontal screen convenient to manufacturing and maintenance

Info

Publication number: CN211100033U
Application number: CN201921410664.XU
Authority: CN
Inventors: 刘海淘
Original assignee: Henan Zhongyu Dingli Intelligent Equipment Co ltd
Current assignee: Henan Zhongyu Dingli Intelligent Equipment Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-07-28
Anticipated expiration: 2029-08-28

Abstract

The three-shaft horizontal screen convenient to manufacture and maintain effectively solves the problems that a vibrating screen is high in installation difficulty and is not easy to adjust and maintain; the vibration exciter comprises a screen box, a screen box bottom support arranged at the bottom end of the screen box and a vibration exciter arranged on the screen box, wherein the screen box is arranged on the screen box bottom support through an elastic support, an adjusting box is arranged on the lower side of the vibration exciter, a power device for driving the vibration exciter is arranged at the upper end of the adjusting box, a height adjusting device for adjusting the height of the power device is arranged in the adjusting box, and a distance adjusting device connected with the adjusting box is arranged in the screen box bottom support; the utility model discloses the structure is ingenious, thinks about novelty, makes screen box assembly stress state improve through adopting the triaxial excitation system, and screen box curb plate atress is even, reduces stress concentration, has reduced the load of single bearing to improve the life and the reliability of sieve machine, the throughput is high, and screening efficiency is high, and the sieve volume is littleer simultaneously, the consumption is lower.

Description

Triaxial horizontal screen convenient to manufacturing and maintenance

Technical Field

The utility model relates to a vibrations screening machinery technical field, in particular to triaxial horizontal screen convenient to make maintenance.

Background

With the development of modern industry in China, higher requirements are put forward on the traditional screening machine. Greater screening capacity, lower energy consumption, more convenient installation size are required; especially mobile crushing and screening stations developed in recent years put more stringent demands on the vibrating screen industry. Obviously, circular and linear vibrating screens in the traditional sense have not been able to adapt to market requirements, and in this situation, horizontal three-axis vibrating screens have come into force, the vibrating screen having three vibrating axes, mounted on two side plates of the screen box. Eccentric blocks with equal eccentric weight and same eccentric radius are arranged at the two ends of each shaft and at the positions of the side plates of the screen box. Through gear connection with equal parameters, synchronous operation is forced. The vibrating screen is an elliptical motion track vibrating screen synthesized by a linear motion track and a circular motion track. The vibrating screen has the advantages that the structure is complex, the requirement on installation accuracy is high, the manufacturing cost and difficulty of the vibrating screen are greatly improved, the maintenance of the vibrating screen is further improved, and the structure is also not beneficial to large-scale development of the vibrating screen because the conventional vibrating screen is forced to synchronously run and the distance between vibrating shafts is limited to a certain extent.

A need exists for a triaxial horizontal screen that is easy to manufacture and maintain to address this problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model aims at providing a triaxial horizontal screen convenient to make maintenance, the effectual shale shaker installation degree of difficulty that has solved is high, the difficult problem of adjusting and maintaining.

The technical scheme of its solution is, the utility model discloses a sieve case, install in the sieve case collet of sieve bottom of the case end and install the vibration exciter on the sieve case, the sieve case passes through elastic support and installs on the sieve case collet, the vibration exciter includes a final drive shaft of horizontal installation on the sieve case and installs at the follow transmission shaft that is located the final drive shaft left and right sides, and final drive shaft all is equipped with the eccentric block with from the transmission shaft, and the downside of vibration exciter is equipped with the regulating box, and the upper end of regulating box is equipped with the power device with the drive vibration exciter, is equipped with the high adjusting device of regulation power device height in the regulating box, is equipped with the distance adjusting device who is connected with the regulating box.

The utility model has the advantages that: the utility model has the advantages of ingenious structure and novel conception, improves the stress state of the screen box assembly by adopting a three-axis excitation system, has even stress on the side plates of the screen box, reduces stress concentration, and reduces the load of a single bearing, thereby improving the service life and reliability of the screening machine, having high processing capacity, high screening efficiency, smaller screening volume and lower power consumption; the position of regulating and controlling the power device through the height adjusting device and the distance adjusting device fully reduces the installation height of the unit, can adapt to the requirement of project transformation on occasions with limited height space, can obviously reduce the cost of the matched conveying machinery, and reduces the investment cost of users.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a plan view of the present invention.

Fig. 3 is an enlarged cross-sectional view of a in fig. 1 according to the present invention.

Fig. 4 is an enlarged sectional view of B in fig. 1 according to the present invention.

Fig. 5 is a cross-sectional view taken along the direction C-C in fig. 3 according to the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Example (b):

as shown in figures 1 to 5, the utility model comprises a screen box 1, a screen box bottom support 2 arranged at the bottom of the screen box 1 and a vibration exciter 3 arranged on the screen box 1, wherein the screen box 1 is arranged on the screen box bottom support 2 through an elastic support, the vibration exciter 3 comprises a main transmission shaft 4 horizontally arranged on the screen box 1 and driven transmission shafts 5 arranged at the left and right sides of the main transmission shaft 4, the main transmission shaft 4 and the driven transmission shafts 5 are both provided with eccentric blocks 6, the eccentric blocks 6 on the driven transmission shafts 5 vertically downwards and the eccentric blocks 6 on the main transmission shaft 4 are 100-110 degrees deviated from the eccentric blocks 6 on the driven transmission shafts 5, the lower side of the vibration exciter 3 is provided with an adjusting box 7, the upper end of the adjusting box 7 is provided with a power device for driving the vibration exciter 3, the adjusting box 7 is internally provided with a height adjusting device for adjusting the height of the power device, the screen box bottom support, the distance adjusting device can adjust the vibration exciter 3 by adjusting the distance between the adjusting box 7 and the screen box bottom support 2.

Power device include motor 8 and support frame 9, motor 8 installs on support frame 9, is equipped with synchronizer 10 on support frame 9, is equipped with runner 11 on the synchronizer 10, motor 8 is connected with runner 11 through first belt 12, synchronizer 10 is connected with final drive shaft 4 and follow transmission shaft 5 through universal joint, motor 8 drives three eccentric block 6 through universal joint and rotates, motor 8 can drive vibration exciter 3 work promptly.

The height adjusting device comprises a lead screw 13 rotatably mounted at the bottom end of a support frame 9, an expansion link 14 and a connecting shaft 15, the lead screw 13 is in threaded connection with the upper end of an adjusting box 7, so that the lead screw 13 rotates to drive the support frame 9 to generate a distance with the adjusting box 7, the lower end of the expansion link 14 is rotatably connected with the upper end of the adjusting box 7, the expansion link 14 can ensure that the support frame 9 does not rotate along with the lead screw 13 when the lead screw 13 rotates, in order to rotate the lead screw 13 and prevent the lead screw 13 and the connecting shaft 15 from being damaged, the lower end of a support chassis is also provided with a protection plate 16, the lead screw 13 and the connecting shaft 15 are both mounted in the protection plate 16, the lead screw 13 and the connecting shaft 15 can be isolated at one end connected with the screen box 1, the lead screw 13 and the connecting shaft 15 are respectively provided with a first wheel 17 and a second wheel 18, the, a part of the thumb wheel 20 penetrates through the protection plate 16, and the height of the power device can be adjusted by dialing the thumb wheel 20 extending out of the protection plate 16.

Distance adjusting device include horizontal installation first regulating spindle 21 in sieve case collet 2 and horizontal installation second regulating spindle 22 in regulating box 7, first regulating spindle 21 rotates with second regulating spindle 22 to be connected, and first regulating spindle 21 moves about with second regulating spindle 22 jointly, the lower extreme of sieve case collet 2 is equipped with the interior ring gear 23 of installing in the first regulating spindle 21 outside, be equipped with on the first regulating spindle 21 with the gear 24 of interior ring gear 23 meshing, be equipped with the driving motor 25 who is connected with second regulating spindle 22 in the regulating box 7, driving motor 25 moves right through first regulating spindle 21 and second regulating spindle 22 drive regulating box 7.

In order to enable the second adjusting shaft 22 to stably drive the adjusting box 7 to move left and right under the self-rotation condition, a plurality of vertical supporting plates 26 are arranged in the adjusting box 7, the second adjusting shaft 22 penetrates through the supporting plates 26, a first rotating disc 27a and a second rotating disc 27b which are respectively arranged at the left end and the right end of the supporting plates 26 are arranged on the second adjusting shaft 22, and a plurality of balls 28 which are in rolling connection with the supporting plates 26 are arranged on the first rotating disc 27a and the second rotating disc 27 b.

In order to enable the first adjusting shaft 21 and the second adjusting shaft 22 to move left and right jointly under the condition of co-rotation of the first adjusting shaft 21 and the second adjusting shaft 22, a shaft sleeve 29 is installed at the joint of the first adjusting shaft 21 and the second adjusting shaft 22, a first annular groove 30 and a second annular groove 31 are respectively arranged on the first adjusting shaft 21 and the second adjusting shaft 22, and a first annular plate 32a and a second annular plate 32b which are installed in the first annular groove 30 and the second annular groove 31 are respectively arranged at the left end and the right end of the shaft sleeve 29.

In order to prevent the lower end of the adjusting box 7 from being worn during the process of moving the adjusting box 7 left and right, the lower end of the adjusting box 7 is provided with a plurality of rollers 33.

The elastic support comprises a plurality of springs arranged on the screen box 1, and the lower ends of the springs are arranged on the screen box bottom support 2.

The utility model discloses when using, adjust the power device of 7 upsides of regulating box to suitable position through height adjusting device and distance adjusting device earlier, rethread coupling joint power device and vibration exciter 3 begin the screening work. The utility model discloses an use a final drive shaft 4 and two eccentric vibration exciters 3 of piece from transmission shaft 5 as the excitation source, power is transmitted to final drive shaft 4 and is followed transmission shaft 5 through first belt 12 by motor 8, makes three root shafts rotatory with fast, thereby drives 6 synchronous rotations of eccentric block and produces the exciting force. The materials are thrown continuously on the horizontal screen surface by taking the movement as power, and move forwards while being thrown up, loosened, layered and sieved, so that the processes of particle size classification and forward conveying are completed repeatedly.

The foregoing detailed description/examples, which are specific to embodiments of the present invention and which are intended to illustrate the concepts of the invention, are intended to be illustrative and exemplary and should not be construed as limiting the scope of the invention and embodiments thereof. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A triaxial horizontal screen convenient for manufacturing and maintenance comprises a screen box (1), a screen box bottom support (2) arranged at the bottom end of the screen box (1) and a vibration exciter (3) arranged on the screen box (1), it is characterized in that the screen box (1) is arranged on a screen box bottom support (2) through an elastic support, vibration exciter (3) include one final drive shaft (4) of horizontal installation on sieve case (1) and install and be located final drive shaft (5) of the left and right sides of final drive shaft (4), final drive shaft (4) all are equipped with eccentric block (6) on with follow transmission shaft (5), the downside of vibration exciter (3) is equipped with regulating box (7), the upper end of regulating box (7) is equipped with the power device who drives vibration exciter (3), be equipped with the high adjusting device of regulation power device height in regulating box (7), be equipped with the distance adjusting device who is connected with regulating box (7) in sieve case collet (2).

2. The triaxial horizontal screen convenient to manufacture and maintain according to claim 1, wherein the power device comprises a motor (8) and a support frame (9), a synchronizer (10) is arranged on the support frame (9), a rotating wheel (11) is arranged on the synchronizer (10), the motor (8) is connected with the rotating wheel (11) through a first belt (12), and the synchronizer (10) is connected with the main transmission shaft (4) and the auxiliary transmission shaft (5) through a universal coupling.

3. The triaxial horizontal screen convenient to manufacture and maintain as claimed in claim 1, wherein the height adjusting device comprises a lead screw (13), an expansion link (14) and a connecting shaft (15) which are rotatably installed at the bottom end of the support frame (9), the lead screw (13) is in threaded connection with the upper end of the adjusting box (7), the lower end of the expansion link (14) is rotatably connected with the upper end of the adjusting box (7), a protection plate (16) is further arranged at the lower end of the support chassis, a first wheel (17) and a second wheel (18) are respectively arranged on the lead screw (13) and the connecting shaft (15), a second belt (19) is arranged on the first wheel (17) and the second wheel (18), a shifting wheel (20) is further arranged on the connecting shaft (15), and one part of the shifting wheel (20) penetrates through the protection plate (16).

4. The triaxial horizontal screen convenient to manufacture and maintain as claimed in claim 1, wherein the distance adjusting device comprises a first adjusting shaft (21) horizontally installed in the screen box base (2) and a second adjusting shaft (22) horizontally installed in the adjusting box (7), the first adjusting shaft (21) is rotatably connected with the second adjusting shaft (22), an inner toothed ring (23) installed at the outer side of the first adjusting shaft (21) is arranged at the lower end of the screen box base (2), a gear (24) meshed with the inner toothed ring (23) is arranged on the first adjusting shaft (21), and a driving motor (25) connected with the second adjusting shaft (22) is arranged in the adjusting box (7).

5. The triaxial horizontal screen convenient to manufacture and maintain according to claim 1, wherein a plurality of vertical supporting plates (26) are arranged in the adjusting box (7), the second adjusting shaft (22) penetrates through the supporting plates (26), a first turntable (27a) and a second turntable (27b) which are respectively arranged at the left end and the right end of the supporting plates (26) are arranged on the second adjusting shaft (22), and a plurality of balls (28) which are in rolling connection with the supporting plates (26) are arranged on the first turntable (27a) and the second turntable (27 b).

6. The triaxial horizontal screen convenient for manufacturing and maintenance according to claim 4, wherein a shaft sleeve (29) is installed at the joint of the first adjusting shaft (21) and the second adjusting shaft (22), a first annular groove (30) and a second annular groove (31) are respectively arranged on the first adjusting shaft (21) and the second adjusting shaft (22), and a first annular plate (32a) and a second annular plate (32b) which are installed in the first annular groove (30) and the second annular groove (31) are respectively arranged at the left end and the right end of the shaft sleeve (29).

7. Triaxial horizontal screen for facilitating manufacturing and maintenance according to claim 1, wherein the lower end of the adjustment box (7) is provided with a plurality of rollers (33).

8. Triaxial horizontal screen for facilitating manufacturing and maintenance according to claim 1, wherein the resilient support comprises a plurality of springs mounted on the screen box (1), the lower ends of the springs being mounted on the screen box shoe (2).