CN211100113U

CN211100113U - Permanent magnet motor driven rubber crusher reciprocating screen

Info

Publication number: CN211100113U
Application number: CN201921721316.4U
Authority: CN
Inventors: 贾先义; 王仁昌
Original assignee: Dalian Baofeng Machinery Manufacturing Co ltd
Current assignee: Dalian Baofeng Machinery Manufacturing Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-07-28
Anticipated expiration: 2029-10-15

Abstract

A permanent magnet motor driven rubber crusher reciprocating sieve is characterized in that a sieve is mounted on a frame, a rack is fixedly mounted in the middle of the lower side of the frame, two first gears are symmetrically mounted in the middle of a motor shaft of a permanent magnet motor, a first gear shaft is mounted on a motor box body above the motor shaft and parallel to the motor shaft, two second gears are mounted on the first gear shaft and meshed with the two first gears, and a third small tooth difference gear is mounted between the two second gears; and a second gear shaft is arranged on the motor box body, a fourth gear is arranged on the second gear shaft, and the fourth gear is meshed with the rack and the third small-tooth-difference gear. The utility model realizes a bidirectional reciprocating sieve structure, the upper and lower three layers of screens can lead the rubber powder with different meshes to reach the rubber powder with the desired meshes through respective screens; the permanent magnet motor drives the gear and the rack to be meshed to realize reciprocation, so that the problem of fracture caused by fatigue at the connecting rod is solved; buffering and limiting devices are mounted at the left end and the right end of the motor box body, so that the gear rack meshed with the motor box body is prevented from being damaged by inertia.

Description

Permanent magnet motor driven rubber crusher reciprocating screen

Technical Field

The utility model relates to a broken powder process technical field of broken old tire.

Background

The tire crusher is mainly suitable for crushing tires, thread tires, steel wire tires (radial tires) and various waste rubber products or leftover materials to form rubber powder, the rubber powder reaches the required fineness (mesh number), and after the tires are crushed, the rubber powder needs to be sieved by a reciprocating sieve.

The traditional reciprocating sieve structure is that a motor drives a large belt pulley, the belt pulley is installed at the outer end of a shaft, the shaft is supported by two bearing seats, an eccentric wheel is installed between the two bearing seats, a counterweight wheel is installed at the other end of the shaft, a connecting rod of the reciprocating sieve is connected to the eccentric wheel, and when the motor rotates, the reciprocating sieve does reciprocating motion back and forth under the action of the eccentric wheel. With this structure, the connecting rod is broken by repeated impact.

In addition, the crushed rubber materials are all acted on the screen by the unidirectional reciprocating screen, so that a plurality of crushed rubber powder screens cannot go out and return to the equipment again, the yield of the equipment is reduced, and electric energy is repeatedly consumed.

In addition, only one layer of screen mesh of the traditional reciprocating screen, namely rubber powder with the mesh number smaller than the screen mesh can pass through the screen mesh, so that the problem that the rubber powder with various mesh numbers is mixed in the screened rubber powder and cannot be separated exists.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem that traditional reciprocating sieve exists, the utility model provides a permanent-magnet machine driven rubber crusher reciprocating sieve.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a permanent magnet motor driven rubber crusher reciprocating sieve is characterized in that a sieve is mounted on a frame 20, a rack 4 is fixedly mounted in the middle of the lower side of the frame 20, two coaxial permanent magnet motors 21 are symmetrically arranged in a motor box 7 on the lower side of the rack 4 in a front-back mode, two first gears 5 are symmetrically mounted in the middle of a motor shaft 26 of each permanent magnet motor 21, a first gear shaft 25 is mounted on the motor box 7 above the motor shaft 26 and parallel to the motor shaft 26, two second gears 2 are mounted on the first gear shaft 25 and meshed with the two first gears 5, and a third gear with less tooth difference 3 is mounted in the middle of each second gear 2; a second gear shaft 24 is arranged on the motor box body 7, a fourth gear 6 is arranged on the second gear shaft 24, and the fourth gear 6 is meshed with the rack 4 and the third gear with small tooth difference 3.

The sieves comprise a first layer of sieve 11, a second layer of sieve 12 and a third layer of sieve 13, connecting blocks 18 are correspondingly arranged on the first layer of sieve 11, the second layer of sieve 12 and the third layer of sieve 13 respectively, and the connecting blocks 18 of the first layer of sieve 11, the second layer of sieve 12 and the third layer of sieve 13 are fixedly connected through bolts 19; the lower part of the third layer screen 13 is arranged on the frame 20 through a bracket 17; the two ends of the first layer sieve 11, the second layer sieve 12 and the third layer sieve 13 are respectively provided with an upper layer discharge port 10, a middle layer powder outlet 9 and a lower layer powder outlet 8.

The screen includes two parts about, and the first layer sieve 11, the second floor sieve 12 and the third layer sieve 13 of left and right sides are the downward sloping structure from inside to outside, are equipped with tripper 16 above the sieve middle part, and the tripper 16 corresponds the installation with the ejection of compact position between two rollers 15 of top.

The buffer limiting device 1 is arranged between the two ends of the rack 4 and the motor box 7, the buffer limiting device 1 comprises a screw 28 arranged on the motor box 7, the inner end of the screw 28 is fixedly provided with a buffer head 23 through a fastening bolt 27, a belleville spring 22 is arranged on the screw 28 and positioned outside the buffer head 23, and the two ends of the rack 4 are provided with limit buffer blocks 29 corresponding to the buffer head 23.

The utility model discloses a permanent-magnet machine driven rubber crusher reciprocating sieve has realized two-way reciprocating sieve structure, makes broken rubber powder and the block of glue that falls down on the equipment shunt on the reciprocating sieve of both sides, and after the material shunted, the material halved on the reciprocating sieve, and the material can be abundant with the screen cloth contact, makes broken rubber powder sieve out from the screen cloth; the design of the upper and lower layers of screens can lead the rubber powder with different meshes to reach the rubber powder with the desired meshes through respective screens, and the left and right lower ends of each layer of screen are provided with discharge ports for respectively discharging the rubber powder with the desired meshes; the transmission structure of the reciprocating sieve is changed, the permanent magnet motor is arranged in the middle of the bidirectional reciprocating sieve, the permanent magnet motor drives the gear and the rack to be meshed to realize bidirectional reciprocation, the yield is improved, the loss of electric energy is reduced, and the problem of fracture caused by fatigue at a connecting rod is solved; on the motor box, the buffering stop device is installed at both ends about, prevents that inertial reason from destroying the rack and pinion of meshing, plays the guard action.

Drawings

Fig. 1 is the main view structure diagram of the reciprocating sieve of the permanent magnet motor driven rubber crusher of the utility model.

Fig. 2 is the main section structure diagram of the reciprocating sieve driving part of the permanent magnet motor driven rubber crusher.

Figure 3 is the side view section structure diagram of the reciprocating sieve driving part of the permanent magnet motor driven rubber crusher.

Fig. 4 is an enlarged structural view of a screen connecting structure of a portion a in fig. 1.

Fig. 5 is an enlarged structural view of a part B of the buffering and limiting device in fig. 1.

In the figure: 1. buffering stop device, 2, second gear, 3, third few tooth difference gear, 4, rack, 5, first gear, 6, fourth gear, 7, motor box, 8, lower layer powder outlet, 9, middle layer powder outlet, 10, upper layer discharge port, 11, first layer sieve, 12, second layer sieve, 13, third layer sieve, 14, sizing material, 15, roller, 16, distributor, 17, support, 18, connecting block, 19, bolt, 20, frame, 21, permanent magnet motor, 22, disc spring, 23, buffer head, 24, second gear shaft, 25, first gear shaft, 26, motor shaft, 27, fastening bolt, 28, screw, 29, spacing buffer block.

Detailed Description

The utility model discloses a permanent magnet motor driven rubber crusher reciprocating sieve structure is shown in figure 1, and the sieve is installed on frame 20, and the sieve includes first layer sieve 11, second layer sieve 12 and third layer sieve 13, corresponds respectively on first layer sieve 11, second layer sieve 12 and the third layer sieve 13 and installs connecting block 18, passes through bolt 19 fixed connection between the connecting block 18 of first layer sieve 11, second layer sieve 12 and third layer sieve 13; the lower part of the third layer screen 13 is arranged on the frame 20 through a bracket 17; the two ends of the first layer sieve 11, the second layer sieve 12 and the third layer sieve 13 are respectively provided with an upper layer discharge port 10, a middle layer powder outlet 9 and a lower layer powder outlet 8. The screen includes two parts about, and the first layer sieve 11, the second floor sieve 12 and the third layer sieve 13 of left and right sides are the downward sloping structure from inside to outside, are equipped with tripper 16 above the sieve middle part, and the tripper 16 corresponds the installation with the ejection of compact position between two rollers 15 of top.

As shown in fig. 2-4, a rack 4 is fixedly installed in the middle of the lower side of the frame 20, two coaxial permanent magnet motors 21 are symmetrically arranged in the motor box 7 on the lower side of the rack 4 from front to back, two first gears 5 are symmetrically installed in the middle of motor shafts 26 of the permanent magnet motors 21, a first gear shaft 25 is installed on the motor box 7 above the motor shafts 26 and parallel to the motor shafts 26, two second gears 2 are installed on the first gear shaft 25 and meshed with the two first gears 5, and a third gear with small tooth difference 3 is installed in the middle of the two second gears 2; a second gear shaft 24 is arranged on the motor box body 7, a fourth gear 6 is arranged on the second gear shaft 24, and the fourth gear 6 is meshed with the rack 4 and the third gear with small tooth difference 3.

As shown in fig. 5, the buffering and limiting device 1 is mounted between the motor case 7 and the two ends of the rack 4, the buffering and limiting device 1 includes a screw 28 mounted on the motor case 7, a buffering head 23 is fixedly mounted at the inner end of the screw 28 through a fastening bolt 27, a belleville spring 22 is disposed on the screw 28 and located outside the buffering head 23, and limiting buffering blocks 29 corresponding to the buffering head 23 are disposed at the two ends of the rack 4.

The working principle is as follows: a motor shaft 26 of the permanent magnet motor 21 drives the first gear 5 to rotate, the first gear 5 is meshed with the second gear 2 so as to drive the second gear 2 to rotate, and the third gear with less teeth difference 3 and the second gear 2 are coaxially arranged, so that the third gear with less teeth difference 3 and the second gear 2 synchronously rotate, when the third gear with less teeth difference 3 rotates anticlockwise, and when the upper half part of the third gear with less teeth difference 3 is meshed with the rack 4, the rack 4 is driven to move leftwards so as to drive the whole reciprocating sieve to move leftwards; when the third small-tooth-difference gear 3 continues to rotate anticlockwise, the upper half part of teeth is separated from the rack 4, and when the lower half part of teeth of the small-difference gear 3 is meshed with the fourth gear 6, the fourth gear 6 is driven to rotate clockwise, so that the rack 4 is driven to move rightwards, and the reciprocating sieve is repeatedly meshed, separated, meshed and separated to realize reciprocating motion. Broken rubber materials 14 and rubber blocks falling between rollers 15 of the crushing equipment are divided on reciprocating sieves at two sides, after the materials are divided, the materials on the reciprocating sieves are halved, the materials can be fully contacted with the sieves, the upper and lower layers of sieves enable the rubber powder with different meshes to reach the rubber powder with the desired meshes through respective sieves, and discharge ports are arranged at the left and right lower ends of each layer of sieve to respectively discharge the rubber powder with the meshes. Buffering stop device 1 is installed at both ends about on the motor box, keeps off rack 4 and when moving both ends, through the buffering of belleville spring 22 on buffering head 23 and the screw rod, prevents that inertial reason from destroying the rack and pinion of meshing, plays the guard action.

Claims

1. The utility model provides a permanent-magnet machine driven rubber crusher reciprocating sieve which characterized in that: the sieve is arranged on the frame (20), a rack (4) is fixedly arranged in the middle of the lower side of the frame (20), two coaxial permanent magnet motors (21) are symmetrically arranged in a motor box body (7) on the lower side of the rack (4) from front to back, two first gears (5) are symmetrically arranged in the middle of a motor shaft (26) of each permanent magnet motor (21), a first gear shaft (25) is arranged on the motor box body (7) above the motor shaft (26) and parallel to the motor shaft (26), two second gears (2) are arranged on the first gear shaft (25) and meshed with the two first gears (5), and a third small-tooth-difference gear (3) is arranged between the two second gears (2); a second gear shaft (24) is arranged on the motor box body (7), a fourth gear (6) is arranged on the second gear shaft (24), and the fourth gear (6) is meshed with the rack (4) and the third gear with small tooth difference (3).

2. A permanent magnet motor driven rubber crusher reciprocating screen according to claim 1, characterized in that: the sieves comprise a first layer of sieve (11), a second layer of sieve (12) and a third layer of sieve (13), connecting blocks (18) are correspondingly arranged on the first layer of sieve (11), the second layer of sieve (12) and the third layer of sieve (13) respectively, and the connecting blocks (18) of the first layer of sieve (11), the second layer of sieve (12) and the third layer of sieve (13) are fixedly connected through bolts (19); the lower part of the third layer of screen (13) is arranged on the frame (20) through a bracket (17); an upper layer discharge hole (10), a middle layer powder outlet (9) and a lower layer powder outlet (8) are respectively arranged at the two ends of the first layer sieve (11), the second layer sieve (12) and the third layer sieve (13).

3. A permanent magnet motor driven rubber crusher reciprocating screen according to claim 2, characterized in that: the sieve includes two parts about, and first layer sieve (11), second floor sieve (12) and third layer sieve (13) of the left and right sides are the downward sloping structure from inside to outside, and sieve middle part top is equipped with tripper (16), and the discharge position corresponds the installation between two rollers (15) of tripper (16) and top.

4. A permanent magnet motor driven rubber crusher reciprocating screen according to claim 2, characterized in that: install buffering stop device (1) on motor box (7) and between rack (4) both ends, buffering stop device (1) is including installing screw rod (28) on motor box (7), and screw rod (28) inner is through fastening bolt (27) fixed mounting buffer head (23), and it is equipped with disc spring (22) to lie in buffer head (23) outside on screw rod (28), and rack (4) both ends are equipped with spacing buffer block (29) corresponding with buffer head (23).