CN111774292A - a ballistic sieve - Google Patents

Abstract

The invention discloses a ballistic screen which comprises a box body, a wind power auxiliary climbing device, a screen plate component, two curved transmission mechanisms, a driving motor, an angle adjusting component and a base, wherein the box body is formed by detachably enclosing an end plate, a first side plate, a second side plate and a tail plate, a cavity is formed in the box body, two cross beams are arranged between the bottoms of the first side plate and the second side plate in parallel, the two curved transmission mechanisms are respectively and fixedly arranged on the cross beams, the curved transmission mechanisms close to the end plate are connected with the driving motor, the screen plate component is fixed above the two curved transmission mechanisms, the wind power auxiliary climbing device is arranged on the end plate, one end of the bottom of the box body is rotatably arranged on one side of the base through a mounting seat, and the other end of the bottom of the box body. The modular design of the box body, the sieve plate assembly and the curved transmission mechanism in the ballistic sieve can conveniently and transversely increase the productivity by adding, and is convenient to transport and install, maintain and replace.

Description

a ballistic sieve

technical field

The invention relates to the field of mineral resources and solid waste sorting, in particular to a ballistic screen.

Background technique

At present, resources are becoming increasingly scarce, and the recycling of waste is increasingly important. In the recycling of solid waste, especially in the fields of construction and decoration waste, domestic waste, kitchen waste, and paper recycling, ballistic sieves need to be processed and sorted. Ballistic screen is a kind of solid material sorting equipment. Its principle is that according to the difference in size, density and shape of different components in the sorted material, when moving on an inclined plane or colliding with an inclined plane and bouncing, different moving speeds and bouncing trajectories are generated. achieve separation from each other.

At present, the ballistic screen has the following defects in the use process: First, the equipment has defects such as difficult processing and installation, high use and maintenance costs, and cannot be modularized; second, most of the existing ballistic screens are driven by a single shaft. , the load is small, and the huge impact force generated by the screening material is easy to produce stress on the single shaft, easy to damage, and unable to operate under heavy load; third, the drive components in the existing ballistic screen use an integrated eccentric crankshaft, which is produced as a whole. The cost is high, the installation is cumbersome, and it is difficult to ensure the installation quality. The use and post-maintenance costs are high, and it cannot be modularized according to actual needs.

SUMMARY OF THE INVENTION

In order to solve the problems existing in the above background technology, the purpose of the present invention is to provide a ballistic screen.

In order to achieve the above object, the present invention adopts the following technical solutions:

The invention provides a ballistic screen. The ballistic screen includes a box body, a wind-assisted climbing device, a screen plate assembly, two curved transmission mechanisms, a drive motor, an angle adjustment assembly and a base. The box body is composed of end plates, The first side panel, the second side panel and the tail panel are detachably enclosed, a cavity is formed in the box, two beams are installed in parallel between the bottom of the first side panel and the second side panel, and the two Each of the curved transmission mechanisms is respectively fixed on the beam, the curved transmission mechanism near the end plate is connected to the drive motor, and the screen plate assembly is fixed on the two curved transmission mechanisms Above, the wind-assisted climbing device is arranged on the end plate, and the bottoms of the first side plate and the second side plate are rotatably installed on one side of the base through a mounting seat near the end plate, respectively. , the bottoms of the first side plate and the second side plate are respectively installed on the other side of the base through an angle adjustment assembly at a position away from the end plate;

The curved transmission mechanism includes a short shaft and a plurality of curved transmission units, and the plurality of curved transmission units are connected by a short shaft, and two ends of the curved transmission mechanism are respectively connected with an end shaft and a tail shaft , the end shaft, a plurality of the short shafts, and the tail shaft are sequentially installed on the beam through the bearing seat, and the end shaft of the curved transmission mechanism close to the end plate is connected to the drive motor .

A further improvement is that the angle adjustment assembly includes an external column, a built-in column and a lifting cylinder, the bottom of the built-in column is vertically arranged on the base through the base connection base, and the external column is sleeved on the base. On the built-in column, one end of the lifting cylinder is connected to the built-in column through the inner column cylinder base, and the other end of the lifting cylinder is connected to the outer column through the outer column cylinder base, and the outer column is driven by the lifting cylinder. The bottom slides up and down along the length direction of the built-in column, and the upper side of the external column is connected to the box body through the box body connection base. One end of the box is fixed on the base, and the other end of the box is fixed on the external column. The lifting cylinder drives the external column to move up and down along the length of the built-in column, and then drives one end of the box located on the external column to adjust the height up and down. The inclination angle of the box body can be adjusted.

A further improvement is that a plurality of positioning holes are arranged at equal intervals on one side of the built-in column, and a plurality of positioning pin holes corresponding to the positioning holes are arranged on the external column, and the positioning pins are inserted into all the holes in sequence. The positioning pin hole and the positioning hole fix the external column. The positioning pin is used to ensure that the external column is firmly fixed at the preset height, and the use of the ballistic screen is more stable.

A further improvement is that the sieve plate assembly includes a plurality of sieve plates, serrated flanges and sieve blocks, and the corresponding bottom of each sieve plate is connected to the curved transmission mechanism through a connecting seat, so The sieve plate is provided with a perforated area and a non-porous area of sieve holes, the non-porous area is located directly above the curved transmission mechanism, and the two sides of the sieve plate that are perpendicular to the curved transmission mechanism are respectively provided. There are serrated flanges, and a plurality of sieve blocks are arranged between the serrated flanges on both sides of the top of the sieve plate. The installation position of the curved transmission mechanism is determined according to the length of the sieve plate. Generally, it is selected at two fulcrums where the force of the sieve plate assembly is evenly distributed. The two curved transmission mechanisms are synchronously moved through the fixed connection of the sieve plate assembly. The movement of the sieve plate assembly is to use the height drop generated by the curved transmission mechanism to throw the material. After the three-dimensional heavy material is thrown up, the sieve plate continues to move up and down and back and forth, so that the material bounces and falls under the force of gravity. Under the action of the sieve plate assembly, the lower end moves to the lower end after being inclined, and the flat-shaped light material forms a power to climb to the sieve under the same movement action, plus the action of the serrated flange and the screen stopper. After the plate assembly is tilted, the higher end moves, and the remaining particles smaller than the sieve holes on the sieve plate fall out of the sieve holes during the movement. The lower part of the non-porous area is used to set a curved transmission mechanism to avoid material contamination. , protect it from damage, such as collision, etc., and prolong the service life of the equipment.

A further improvement is that the screen block is L-shaped, and the bottom of the screen block is detachably fixed on the screen plate surface through bolts. The screen block is designed in L shape, which is easy to install on the screen surface, and it is also convenient to freely adjust the distance between the screen blocks according to the requirements of materials.

A further improvement is that the curved transmission mechanism near the tail plate is connected with the drive motor. By setting, when the amount of material to be processed is large, a drive motor can be directly installed on another curved transmission mechanism belonging to passive motion, the power upgrade can be completed, and heavy-duty operation can be realized without changing other structures and changes. Box size.

A further improvement is that the wind-assisted climbing device includes a fan and an air hole, two of the air holes are symmetrically opened on the end plate of the box, and the fan is installed outside the air holes. The setting of the fan can further improve the screening effect of the light material in the material.

Compared with the prior art, the present invention has the following beneficial effects:

(1) Each component of the box in the present invention adopts a combined assembly structure, which is convenient for transportation and installation, and is convenient for maintenance and replacement;

(2) In the present invention, one of the curved transmission mechanisms is driven by the drive motor to move up and down, back and forth, and the other curved transmission mechanism is driven by the sieve plate assembly to move, and the sieve plate assembly fixed on the curved transmission mechanism is installed and fixed. With the curved transmission mechanism reciprocating up and down, the two curved transmission mechanisms realize synchronous movement through the fixed connection of the sieve plate assembly. Due to the force of inertia, the equipment achieves the effect of energy saving during operation;

(3) In the present invention, two identical curved transmission mechanisms are used. Considering that in the later stage, if it is necessary to increase the power of the equipment or increase the load operation, the end shaft on another curved transmission mechanism originally belonging to passive motion can be directly connected. The power upgrade can be completed by installing a drive motor at the place, without changing other structures and changing the size of the box, which improves the load capacity and scope of application of the equipment;

(4) The curved transmission mechanism in the present invention has a modular design, which is easy to install and can realize heavy-duty operation. After the modularization, it is divided into several units as a whole, which reduces the production cost and also reduces the later maintenance. the cost of;

(5) The modularization of the box body, the sieve plate assembly and the curved transmission mechanism can be easily installed horizontally to increase the production capacity.

Description of drawings

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the three-dimensional structure of uniaxial drive ballistic screen in the present invention;

Fig. 2 is the structural diagram at the screen plate assembly in the present invention;

Fig. 3 is the structural diagram of the box in the present invention;

Fig. 4 is the enlarged view of A place in Fig. 1;

Fig. 5 is the three-dimensional structure of the dual-axis drive ballistic screen in the present invention;

Fig. 6 is the structural diagram of the present invention under the state of the curved transmission mechanism and the beam;

7 is a structural diagram of a curved transmission mechanism in the present invention;

Fig. 8 is the structure diagram of the curved transmission mechanism and the sieve plate assembly in the state of cooperation in the present invention;

Among them, the specific reference numerals are as follows: box 1, end plate 2, first side plate 3, second side plate 4, centralized oil supply area 5, inspection window 6, tail plate 7, cavity 8, beam 9, fan 10, sieve plate assembly 11, sieve plate 12, perforated area 13, non-perforated area 14, serrated flange 15, screen stopper 16, connecting seat 17, protection plate 18, curved transmission mechanism 19, short shaft 20, bearing Seat 21, first coupling block A22, second coupling block A23, first long shaft 24, second long shaft 25, first motion base 26, second motion base 27, arc surface 28, fuel filler 29. Coupling block B30, end shaft 31, tail shaft 32, drive motor 33, angle adjustment assembly 34, external column 35, positioning pin hole 36, built-in column 37, positioning hole 38, lifting cylinder 39, base connection base 40 , the outer column cylinder base 41 , the box body connection base 42 , the base 43 , and the inner column cylinder base 44 .

Detailed ways

The embodiment of the present invention discloses a ballistic screen. As shown in FIG. 1 to FIG. 3 , the ballistic screen includes a box body 1 , a wind-assisted climbing device, a screen plate assembly 11 , two curved transmission mechanisms 19 , and a drive motor 33 , the angle adjustment assembly 34 and the base 43, the box body 1 is detachably enclosed by the end plate 2, the first side plate 3, the second side plate 4 and the tail plate 7, and each part of the box body 1 adopts a combined assembly structure, Convenient transportation, installation, and easy maintenance and replacement. A cavity 8 is formed in the box body 1, two beams 9 are installed in parallel between the bottoms of the first side plate 3 and the second side plate 4, and two curved transmission mechanisms 19 are respectively fixed on the beam 9, close to the end. The curved transmission mechanism 19 at the board 2 is connected with the drive motor 33, the screen panel assembly 11 is fixed above the two curved transmission mechanisms 19, the wind-assisted climbing device is arranged on the end board 2, the first side board 3 and the first side board The bottoms of the two side plates 4 are close to the end plate 2 and are respectively rotatably mounted on one side of the base 43 through the mounting seat. 43 on the other side. Transparent inspection windows 6 are respectively provided on the first side plate 3 and the second side plate 4 near the curved transmission mechanism 19 to facilitate the maintenance and maintenance of the curved transmission mechanism 19 in the later stage. The wind-assisted climbing device includes a fan 10 and an air hole. Two air holes are symmetrically opened on the end plate 2 of the box body 1 , and the fan 10 is installed outside the air holes. The setting of the fan 10 can further improve the screening effect of the light material in the material.

The sieve plate assembly 11 includes a plurality of sieve plates 12, serrated flanges 15 and sieve blocks 16. The corresponding bottom of each sieve plate 12 is connected to the curved transmission mechanism 19 through the connecting seat 17, respectively. The sieve plate 12 There is a perforated area 13 and a non-porous area 14 with sieve holes. The non-porous area 14 is located just above the curved transmission mechanism 19. The two sides of the sieve plate 12 that are perpendicular to the curved transmission mechanism 19 are respectively provided with serrated flanges 15. , a plurality of sieve blocks 16 are arranged between the serrated flanges 15 on both sides of the top of the sieve plate 12 . The installation position of the curved transmission mechanism 19 is determined according to the length of the sieve plate 12. Generally, two fulcrums distributed on the sieve plate assembly 11 with uniform force are selected, and one of the curved transmission mechanisms 19 is driven by the driving motor 33 to move up and down. Moving back and forth, another curved transmission mechanism 19 is driven by the sieve plate assembly 11 to move, and the height difference generated by the sieve plate assembly 11 installed and fixed on the curved transmission mechanism After the material is thrown up and the three-dimensional heavy material is thrown up, because the sieve plate 12 keeps moving up and down, forward and backward, the material bounces and moves to the lower end of the sieve plate assembly 11 after being tilted under the action of gravity. Under the same motion, the flat-shaped light material forms a power to climb to the higher end of the sieve plate assembly 11 after being inclined, and the rest is less than The particles in the sieve holes on the sieve plate 12 fall out of the sieve holes during the movement, and a curved transmission mechanism 19 is arranged below the non-porous area 14 to avoid material contamination and prolong the service life of the equipment. Wherein, the screen block 16 is L-shaped, and the bottom of the screen block 16 is detachably fixed on the surface of the screen plate 12 through bolts. The screen stopper 16 is designed in an L shape, which is convenient to be installed on the surface of the sieve plate 12 and also facilitates the free adjustment of the distance between the screen stoppers 16 .

As shown in FIG. 6 to FIG. 8 , the curved transmission mechanism 19 includes a stub shaft 20 and a plurality of curved transmission units. The adjacent curved transmission units are connected by the stub shaft 20 . Both ends of the curved transmission mechanism 19 are connected. The end shaft 31 and the tail shaft 32 are respectively connected. The end shaft 31, a plurality of short shafts 20, and the tail shaft 32 are sequentially installed on the beam 9 through the bearing seat 21, and are close to the end shaft 31 of the curved transmission mechanism 19 of the end plate 2. Connected to the drive motor 33 . The curved transmission unit includes two coupling blocks A, two long shafts, two moving bases and a coupling block B30. The two long shafts pass through the moving base respectively, and one end of the two long shafts is inserted into the coupling blocks respectively. In the two through holes on B30, the other ends of the two long shafts are respectively inserted into one of the through holes on the two coupling blocks A, and the two adjacent curved transmission mechanisms 19 are connected through the short shaft 20, The short shafts 20 are respectively inserted into another through hole on the coupling block A in the two adjacent curved transmission mechanisms 19 . The end shaft 31, the tail shaft 32, the long shaft and the short shaft 20 are all coaxially arranged, and the distance between the two through holes in the coupling block A is smaller than the distance between the two through holes in the coupling block B30, and is arranged in the front The curved transmission mechanism 19 on the beam 9 is connected with the drive motor 33 through the end shaft 31 . The curved transmission mechanism 19 adopts the shaft eccentricity instead of the disc eccentricity. Through the setting of the coupling block A and the coupling block B30, the adjacent moving bases are staggered up and down, undulating each other, and the material is thrown back and forth for bouncing screening. It has excellent screening effect. The structure is modularized, which is easy to install and can realize heavy-duty operation. After modularization, it is divided into several units as a whole, which reduces production costs and reduces maintenance costs. cost.

In this embodiment, the curved transmission mechanism 19 includes three curved transmission units and two short shafts 20, and the curved transmission unit further includes a first coupling block A22, a second coupling block A23, a first long shaft 24, The second long shaft 25, the first motion base 26, the second motion base 27 and the coupling block B30, the first coupling block A22, the second coupling block A23 and the coupling block B30 are on the Both are provided with two through holes, one end of the first long shaft 24 is inserted into the through hole on the first coupling block A22, and the other end of the first long shaft 24 passes through the first movement The base 26 is inserted into the through hole on the coupling block B30, one end of the second long shaft 25 is inserted into another through hole on the coupling block B30, and the other end of the second long shaft 25 passes through The second motion base 27 is inserted into the through hole on the second coupling block A23, and is respectively inserted into the first coupling block A22 and the first coupling block A22 in the two adjacent curved transmission mechanisms 19 through the short shaft 20. In another through hole on the second coupling block A23, three curved transmission units are sequentially connected to form a curved transmission mechanism 19. Two ends of the curved transmission mechanism 19 are respectively connected with an end shaft 31 and a tail shaft 32 , wherein the end shaft 31 , the tail shaft 32 , the long shaft and the short shaft 20 are all coaxially arranged. The distance between the two through holes in the coupling block B30 is 1.2 times the distance between the two through holes in the coupling block A. The sieve plate 12 corresponds to the number of the moving bases in the curved transmission mechanism 19 one-to-one. In this embodiment, there are six sieve plates 12, and the moving base is provided with an arc surface 28 on the side away from the beam 9. The two ends of the sieve plate 12 The connecting bases 17 are respectively clamped to the arc-shaped surface 28 on the movement base on the front beam 9 and the arc-shaped surface 28 on the corresponding movement base on the rear beam 9 . The connecting seat 17 and the sieve plate 12 are connected with two protective plates 18. The two protective plates 18 are located on both sides of the connecting seat 17 along the length direction of the sieve plate 12. One end of the protective plate 18 is connected to the bottom of the sieve plate 12. The other end of 18 extends close to the movement base, and the protection plate 18 is provided to further prevent the contamination of the curved transmission mechanism 19 by falling materials, to ensure that the curved transmission mechanism 19 is not damaged by external forces, and to prolong the service life of the equipment.

As shown in FIG. 4 , the angle adjustment assembly 34 includes an external column 35, a built-in column 37 and a lifting cylinder 39. The bottom of the built-in column 37 is vertically arranged on the base 43 through the base connecting base 40, and the external column 35 is sleeved on the built-in On the column 37, one end of the lifting cylinder 39 is connected to the built-in column 37 through the inner column cylinder base 44, the other end of the lifting cylinder 39 is connected to the outer column 35 through the outer column cylinder base 41, and the outer column 35 is driven by the lifting cylinder 39. The bottom slides up and down along the length direction of the built-in column 37 , and the upper side of the external column 35 is connected to the box body 1 through the box body connection base 42 . One end of the box body 1 is fixed on the base 43 , the other end of the box body 1 is fixed on the external column 35 , the lifting cylinder 39 drives the external column 35 to move up and down along the length of the built-in column 37 , and then drives the external column 35 . The height of one end of the box body 1 is adjusted up and down, so as to realize the adjustment of the inclination angle of the box body 1 . Among them, a plurality of positioning holes 38 are arranged at equal intervals on one side of the built-in column 37, and a plurality of positioning pin holes 36 corresponding to the positioning holes 38 are provided on the external column 35, and the positioning pins are inserted into the positioning pin holes 36 and the positioning holes in turn. 38 to fix the external upright column 35 . The positioning pin is used to ensure that the external column 35 is firmly fixed at the preset height, and the use process of the ballistic screen is more stable.

As shown in FIG. 5 , the curved transmission mechanism 19 near the tail plate 7 is connected with the drive motor 33 . Through the setting, when the amount of material to be processed is large, the drive motor 33 can be directly installed on another curved transmission mechanism 19 belonging to passive motion, the power upgrade can be completed, and heavy-load operation can be realized without changing other structures. and change the size of box 1.

Wherein, one side of the moving base is provided with oil filling ports 29, and the oil filling ports 29 are respectively connected with the oil nozzles in the centralized oil supply area 5 on the box body 1 near the curved transmission mechanism 19 through pipelines. It solves the problem that oil needs to be added frequently during maintenance. The oil supply to each motion base can be realized directly through the oil nozzle located in the centralized oil supply area 5 on the side of the box 1 of the ballistic screen. The operation is convenient and the whole operation process. There is no need to stop the machine, and there is no need for operators to enter the bottom of the equipment, avoiding the hidden danger of construction safety.

The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention, and are not intended to limit the present invention. For those skilled in the art to which the present invention pertains, according to the idea of the present invention, several simple deductions, modifications or substitutions can also be made.

Claims (7)

1. The utility model provides a trajectory sieve, its characterized in that, trajectory sieve includes box, the supplementary climbing device of wind-force, sieve subassembly, two bent shape drive mechanism, driving motor, angle adjusting part and base, the box can be dismantled by end plate, first curb plate, second curb plate and tailboard and enclose to form, be formed with the cavity in the box, parallel mount has two crossbeams between first curb plate and the second curb plate bottom, two bent shape drive mechanism is fixed respectively to be set up on the crossbeam, be close to in end plate department bent shape drive mechanism with driving motor links to each other, the sieve subassembly is fixed in the top of two bent shape drive mechanism, the supplementary climbing device of wind-force sets up on the end plate, first curb plate and second curb plate bottom are close to in end plate department respectively through the rotatable installation of mount pad in base one side, the bottom parts of the first side plate and the second side plate, far away from the end plate, are respectively installed on the other side of the base through an angle adjusting assembly;

the curved transmission mechanism comprises a short shaft and a plurality of curved transmission units, the curved transmission units are connected through the short shaft, the two ends of the curved transmission mechanism are respectively connected with an end shaft and a tail shaft, the end shaft, the short shafts and the tail shaft are sequentially installed on the cross beam through bearing seats, and the end shaft of the curved transmission mechanism close to the end plate is connected with the driving motor.

2. The ballistic screen of claim 1, wherein the angle adjustment assembly includes external stand column, built-in stand column and lift cylinder, the built-in stand column bottom is through the vertical setting of base connection base on the base, the external stand column cover is established on the built-in stand column, lift cylinder one end through the internal stand column hydro-cylinder base with the built-in stand column is connected, the lift cylinder other end through outer stand column hydro-cylinder base with the external stand column is connected, external stand column slides from top to bottom along built-in stand column length direction under lift cylinder's drive, external stand column upper portion one side through box connection base with the box is connected.

3. The ballistic screen of claim 2, wherein a plurality of positioning holes are equidistantly formed in one side surface of the built-in vertical column, a plurality of positioning pin holes corresponding to the positioning holes are formed in the external vertical column, and the positioning pins are sequentially inserted into the positioning pin holes and the positioning holes to fix the external vertical column.

4. The ballistic screen of claim 1 or 2, wherein the screen deck assembly includes a plurality of screen decks, saw-tooth flanges, and screen stoppers, each corresponding portion of the bottom of each screen deck is connected to the curved transmission mechanism through a connecting seat, the screen deck is provided with a perforated area and an imperforate area of screen holes, the imperforate area is located right above the curved transmission mechanism, the saw-tooth flanges are respectively provided on two sides of the screen deck perpendicular to the curved transmission mechanism, and the plurality of screen stoppers are provided between the saw-tooth flanges on two sides of the top of the screen deck.

5. The ballistic screen of claim 3, wherein the screen blocks are L-shaped, and the bottom of the screen blocks are removably secured to the screen deck by bolts.

6. The ballistic screen of claim 1, wherein the curved transmission proximate the tailgate is connected to the drive motor.

7. The ballistic screen of claim 1, wherein the wind-assisted climbing device comprises a fan and wind holes, two wind holes are symmetrically formed in an end plate of the box body, and the fan is installed outside the wind holes.

Images