CN108499873B

CN108499873B - Steel shot sorting device

Info

Publication number: CN108499873B
Application number: CN201810320180.XA
Authority: CN
Inventors: 苏亚君
Original assignee: Chongqing Qinglan Machinery Manufacturing Co ltd
Current assignee: Chongqing Qinglan Machinery Manufacturing Co ltd
Priority date: 2018-04-11
Filing date: 2018-04-11
Publication date: 2020-06-02
Anticipated expiration: 2038-04-11
Also published as: CN108499873A

Abstract

The invention relates to the technical field of steel shot production and discloses a steel shot sorting device which comprises a shell, a feed hopper and a discharge pipe, wherein the shell is divided into an upper cavity and a lower cavity through a support frame; the bottom of the upper cavity is provided with a screen, the aperture of the mesh is sequentially reduced from the direction of the feeding pipe to the direction of the discharging pipe, and the upper end of the mesh along the feeding direction of the steel shots is connected with a hard ball; a plurality of collecting frames are arranged in the lower cavity, and a collecting frame is arranged between every two adjacent collecting frames; an intermittent magnet material sucking mechanism is arranged between every two adjacent screen meshes, a material sucking pipe is arranged between the intermittent magnet material sucking mechanism and the next adjacent screen mesh, the lower end of the material sucking pipe penetrates through the supporting frame to be communicated with the bottom of the material collecting frame, the material collecting frame is positioned in front of the intermittent magnet material sucking mechanism, the side wall of the part, located on the upper cavity, of the material sucking pipe is connected with a spray pipe, a draught fan is connected onto the spray pipe, and the free end of the spray pipe faces the next screen mesh. The invention avoids the blockage of the meshes by changing the movement direction of the larger steel shots, and is convenient for the smaller steel shots to pass through the meshes.

Description

Steel shot sorting device

Technical Field

The invention relates to the technical field of steel shot production, in particular to a steel shot sorting device.

Background

The steel shot is a kind of spherical particles made of special material through special heat treatment. In the preparation process of the steel shots, the generally adopted equipment is a centrifugal machine, high-carbon steel is melted and poured into a rotating centrifugal brick, then the steel shots with various sizes are thrown out under the centrifugal action of the centrifugal machine, the thrown steel shots fall into a quenching pool for rapid cooling, and the rapidly cooled steel shots are reheated and tempered, so that the steel shots reach the required hardness. However, since the produced steel shots have different sizes, the steel shots need to be screened and classified according to sizes in order to adapt to various types of applications. At present, when steel shots are screened, a steel shot screening machine is generally used for screening, and during screening, meshes of a mesh screen are gradually reduced from top to bottom, so that larger steel shots are screened to an upper layer. The mesh of general great mesh screen can be than great shot diameter little, and in the screening process, the bottom of great shot blocks easily in the mesh of great mesh screen to plug up the mesh of great mesh screen, can't make the less shot of size pass through and carry out screening work on next step from this mesh, influenced the continuity of screening work, make the screening efficiency step-down from this, can not satisfy large batch shot screening.

Disclosure of Invention

The invention aims to provide a steel shot sorting device, which avoids the blockage of meshes by changing the movement direction of larger steel shots, is convenient for smaller steel shots to pass through the meshes, and thus realizes continuous screening operation.

In order to achieve the purpose, the invention adopts the following technical scheme: the steel shot sorting device comprises a shell, a feed hopper and a discharge pipe, wherein the feed hopper is fixedly connected with the upper end of the side wall of the shell through the feed pipe, the feed pipe is arranged in a downward inclined mode, the discharge pipe is connected to the lower end of one side, away from the feed pipe, of the shell, a horizontally arranged support frame is arranged in the shell, two ends of the support frame are respectively connected with the inner wall of the side face of the shell, and the shell is divided into an upper cavity and a; at least two screen meshes are vertically arranged at the bottom of the upper cavity at intervals, a plurality of meshes are arranged on the screen meshes, the apertures of the meshes are sequentially reduced from the direction of a feeding pipe to the direction of a discharging pipe, and the upper ends of the meshes along the feeding direction of the steel shots are connected with hard balls; a plurality of collecting frames are sequentially arranged in the lower cavity from the direction of the feeding pipe to the direction of the discharging pipe, each collecting frame is positioned in front of the corresponding screen, and a collecting frame is arranged between every two adjacent collecting frames; an intermittent magnet material sucking mechanism is arranged between every two adjacent screen meshes, a material sucking pipe is arranged between the intermittent magnet material sucking mechanism and the next adjacent screen mesh, the lower end of the material sucking pipe penetrates through the supporting frame to be communicated with the bottom of the material collecting frame, the material collecting frame is positioned in front of the intermittent magnet material sucking mechanism, the side wall of the part, located on the upper cavity, of the material sucking pipe is connected with a spray pipe, a draught fan is connected onto the spray pipe, and the free end of the spray pipe faces the next screen mesh.

The principle of the scheme is as follows: during practical application, at first pour the shot with different sizes into the feeder hopper, the shot is under the effect of self gravity, get into the epicoele of casing along the inlet pipe in, the shot that comes out from the inlet pipe all has certain initial velocity, the shot strikes on the screen cloth along certain route, then move down under self gravity, then one side of shot receives the magnetic force that intermittent type formula magnet inhales the material mechanism, make the shot move to the screen cloth direction, partly great shot can strike the stereoplasm ball, thereby under huge impact, great shot changes the direction of motion and moves to receiving the material frame direction, and the magnetic force that intermittent type formula magnet inhaled the material mechanism can disappear, remaining great shot directly falls into under self gravity in collecting the frame. And when the magnetic force of the intermittent magnet material sucking mechanism disappears, the smaller steel shots fall into the material collecting frame under the action of self gravity. And then, starting the induced draft fan, enabling the steel shots in the aggregate frame to enter the upper cavity along the material suction pipe under the action of the induced draft fan, spraying out the steel shots through the spray pipe, and performing a secondary screening process until the screening work is finished.

Has the advantages that:

1. the steel shot screening device is provided with a plurality of groups of screens and intermittent magnet suction mechanisms, steel shots are vertically arranged to screen the steel shots in size under the action of self gravity and intermittent magnetic force, when the intermittent magnet suction mechanisms have magnetic force, smaller steel shots are attracted and made to pass through the screens, when the magnetic force of the intermittent magnet suction mechanisms disappears, the larger steel shots fall into the collecting frame under the action of self, and the smaller steel shots fall into the collecting frame under the action of self. Simultaneously, when great shot was in the mesh position, the bottom of great shot can strike each other with the stereoplasm ball of mesh department to produce the huge impact of strength, thereby change the direction of motion of great shot, avoid great shot card in the middle of the mesh, thereby cleared up the obstacle for less shot, be convenient for less shot pass through the mesh and make it carry out the screening work of next time, realized the continuity of operation of screening. Simultaneously, with the vertical setting of screen cloth, can make great shot fall into in the collection frame under self gravity, need not the manual work and clear up and collect, improved screening efficiency.

2. The feeding pipe is obliquely and downwards arranged, so that the steel shots entering the upper cavity have a certain initial speed, the steel shots move to a distance which is closer to the screen in a certain path, and the steel shots can be attracted to the screen as long as the intermittent magnet material suction mechanism has smaller magnetic force, so that the smaller steel shots can conveniently pass through the screen, and resources are saved. Meanwhile, if the magnetic force of the intermittent magnet material sucking mechanism is smaller, the larger steel shots are easy to change direction and move downwards after impacting the hard balls, so that the smaller steel shots are prevented from passing through meshes.

Preferably, the intermittent magnet material sucking mechanism comprises a fixing plate, an electromagnet and a control mechanism, the bottom end of the fixing plate is connected to the bottom of the upper cavity, the fixing plate is parallel to the corresponding screen, a groove is formed in one side, facing the corresponding screen, of the fixing plate, the groove is coaxial with meshes of the corresponding screen, and the electromagnet is buckled in the groove; the control mechanism comprises a trigger switch and a cam driven to rotate by a motor, the trigger switch is electrically connected with the electromagnet, the cam is positioned on one side of the trigger switch, and the convex part of the cam can be contacted with the trigger switch. The cam is driven to rotate through the motor, when the protrusion of the cam is in contact with the trigger switch, the electromagnet is electrified, the smaller steel shot enters the space between the screen and the fixed plate through the mesh, after the protrusion of the cam is separated from the trigger switch, the electromagnet is powered off, and the smaller steel shot directly falls into the material collecting frame under the action of self gravity. By arranging the mechanism, the gravity can be overcome by magnetic force, so that the smaller steel shots pass through the meshes, and when the magnetic force disappears, the smaller steel shots are collected by the gravity. By adopting the structure, the screening effect is better, the efficiency is higher, and the structure runs stably.

Preferably, the cam and the motor are fixedly connected through a rotating shaft, a base station is arranged below the rotating shaft, a supporting rod is vertically connected to the base station, a sleeve is arranged at the free end of the supporting rod, a rolling bearing is arranged in the sleeve, the rotating shaft penetrates through the rolling bearing to be rotatably connected with the sleeve, and the rotating shaft is perpendicular to the supporting rod. Through setting up above-mentioned structure, can support the cam to drive the cam and rotate, guarantee cam pivoted stationarity.

Preferably, an iron plate is arranged between the fixing plate and the material suction pipe, and the iron plate is vertically connected to the bottom of the upper cavity. Because inhale the material pipe and can deliver to next screening link with the shot in the collection frame, and the electro-magnet of the fixed plate of last time can influence the motion of shot next time, for this reason, through set up iron plate between fixed plate and inhaling the material pipe, can keep apart and shield last electromagnetic field and next electromagnetic field, guaranteed the independence of screening link at every turn, the effect of screening is better.

Preferably, the screen is arranged obliquely forwards at the bottom of the upper chamber. When great shot under magnetic force, great shot and screen cloth surface contact, when magnetic force disappears, great shot downward motion under self action of gravity, the screen cloth slopes forward and sets up, great shot will with the surface separation of screen cloth, directly fall into the collection frame in, can not wear and tear the surface of screen cloth, simultaneously, can not block that less shot gets into in the mesh.

Preferably, the upper end of the material suction pipe is connected with an elastic cushion, so that the sucked steel shots can be elastically buffered, and the movement direction can be changed to change the vertical movement into the horizontal movement.

Preferably, the number of mesh openings on each screen is at least two. When the larger steel shots are in contact with the screen under the action of magnetic force, part of the larger steel shots collide with the hard balls and move downwards in a changed direction, so that the larger steel shots and part of the smaller steel shots collide with each other, so that part of the smaller steel shots are mixed in the larger steel shots to move downwards, at least two meshes of each layer of screen are arranged, at the moment, the falling steel shots can be screened for the second time, the larger steel shots and the smaller steel shots are basically separated, the sorting accuracy is improved, and the sorting quality is ensured.

Drawings

FIG. 1 is a block diagram of an embodiment of a steel shot sorting apparatus according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of the support frame of FIG. 1;

fig. 4 is a schematic view of the cam of fig. 1 mounted on a base.

Detailed Description

The present invention will be described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a shell 1, a feeding pipe 2, a feeding hopper 3, a discharging pipe 4, a supporting frame 5, a horizontal edge 501, a vertical edge 502, a connecting rod 503, a first screen 6, a first mesh 601, a second mesh 602, a first fixing plate 7, a first electromagnet 701, a second electromagnet 702, a second screen 8, a third mesh 801, a fourth mesh 802, a second fixing plate 9, a third electromagnet 901, a fourth electromagnet 902, a hard ball 10, a first collecting frame 11, a first collecting frame 12, a second collecting frame 13, a second collecting frame 14, a sucking pipe 15, an elastic pad 16, a spraying pipe 17, an induced draft fan 18, a trigger switch 19, a cam 20, a base table 21, a supporting rod 22, a sleeve 23, a rotating shaft 24, a motor 25 and an iron plate 26.

Examples are shown in fig. 1 and 2: shot sorting unit, including casing 1, the welding of casing 1's left side upper end has inlet pipe 2, and the tip welding of inlet pipe 2 has feeder hopper 3, and the right-hand member slope of inlet pipe 2 sets up downwards, and the welding of casing 1's right side lower extreme has discharging pipe 4. The supporting frame 5 is connected in the casing 1, the supporting frame 5 is horizontally arranged in the casing 1, two ends of the supporting frame 5 are respectively connected with the inner wall of the side face of the casing 1 through bolts, as shown in fig. 3, the supporting frame 5 comprises two horizontal edges 501, two vertical edges 502 and five connecting rods 503, the two horizontal edges 501 and the two vertical edges 502 are connected end to form a circumferential frame, the five connecting rods 503 are vertically arranged at intervals, and two ends of the five connecting rods 503 are respectively welded with the inner wall of the horizontal edges 501. The supporting frame 5 divides the casing 1 into an upper cavity and a lower cavity, the bottom of the upper cavity is sequentially welded with a first screen 6, a first fixing plate 7, an iron plate 26, a second screen 8 and a second fixing plate 9 at intervals from left to right, wherein the first screen 6, the first fixing plate 7, the second screen 8 and the second fixing plate 9 are vertically arranged to be inclined to the left, the first screen 6, the first fixing plate 7, the second screen 8 and the second fixing plate 9 are parallel to each other, and the iron plate 26 is arranged between the first fixing plate 7 and the second screen 8. First mesh 601 and second mesh 602 have been seted up from last to having seted up down on first screen cloth 6, third mesh 801 and fourth mesh 802 have been seted up from last to having seted up down to second screen cloth 8, first recess with the coaxial line of first mesh 601 is seted up to first fixed plate 7 upper end, the second recess with the coaxial line of second mesh 602 is seted up to the lower extreme of first fixed plate 7, the third recess with the coaxial line of third mesh 801 is seted up to second fixed plate 9 upper end, the fourth recess with the coaxial line of fourth mesh 802 is seted up to the lower extreme of second fixed plate 9, the lock has first electro-magnet 701 in the first recess, the lock has second electro-magnet 702 in the second recess, the lock has third electro-magnet 901 in the third recess, the lock has fourth electro-magnet 902 in the fourth recess. Wherein the diameters of the first mesh 601 and the second mesh 602 are equal, the diameters of the third mesh 801 and the fourth mesh 802 are equal, the diameter of the first mesh 601 is larger than that of the third mesh 801, and hard balls 10, such as steel balls, are welded at the upper ends of the first mesh 601, the second mesh 602, the third mesh 801 and the fourth mesh 802 in the feeding direction of the steel shots.

A first collecting frame 11, a first collecting frame 12, a second collecting frame 13 and a second collecting frame 14 are sequentially arranged in the lower cavity from left to right, the first collecting frame 11 is positioned on the left side of the first screen 6, the second collecting frame 13 is positioned in front of the second screen 8, the first collecting frame 12 is positioned in front of the first fixing plate 7, and the second collecting frame 14 is positioned in front of the second fixing plate 9. Wherein, the right side of first collection material frame 12 is equipped with inhales material pipe 15, the lower extreme that inhales material pipe 15 is connected with the bottom of first collection material frame 12, inhale the upper end of material pipe 15 and pass braced frame 5 and get into the intracavity on, the upper end of inhaling material pipe 15 is closed state, inhale the inside cushion 16 that bonds in the upper end of material pipe 15, for example, the rubber pad, the right side welding of inhaling material pipe 15 has the spray tube 17 with inhaling material pipe 15 intercommunication, install draught fan 18 on the spray tube 17, there is a section distance in the free end of spray tube 17 and second screen cloth 8's surface, the right-hand member of second collection material frame 14 is linked together with discharging pipe 4.

The first electromagnet 701 and the second electromagnet 702 are connected in series to form a first branch, the third electromagnet 901 and the fourth electromagnet 902 are connected in series to form a second branch, the first branch and the second branch are connected in parallel to form a control circuit, and a trigger switch 19 is arranged in the control circuit. As shown in fig. 1 and 4, a cam 20 is arranged on the left side of the trigger switch 19, the cam 20 can contact with the trigger switch 19, a base 21 is connected to the left side of the outer side of the housing 1, a support rod 22 is vertically welded on the base 21, a sleeve 23 is welded at the upper end of the support rod 22, a roller bearing is arranged in the sleeve 23, a rotating shaft 24 is connected to the center of the cam 20, a motor 25 is connected to the free end of the rotating shaft 24, the rotating shaft 24 penetrates through a rolling bearing to be rotatably connected with the sleeve 23, and the rotating shaft 24 is.

During practical application, firstly, steel shots with different sizes are poured into the feed hopper 3, the steel shots enter the upper cavity of the shell 1 along the feed pipe 2 under the action of self gravity, the steel shots coming out of the feed pipe 2 have certain initial speeds, and the steel shots impact on the first screen 6 along a certain path and then move downwards under the action of self gravity. Meanwhile, the cam 20 is driven to rotate by the motor 25, when the protrusion of the cam 20 is in contact with the trigger switch 19, the first electromagnet 701 is electrified, then one side of the steel shot is subjected to magnetic force of the first electromagnet 701, the steel shot moves towards the first screen 6, part of large steel shot can impact the hard balls 10, so that under the huge impact force, the large steel shot changes the movement direction and moves towards the first collecting frame 11, the small steel shot moves towards the first screen 6 under the magnetic force, and most of small steel shot enters the space between the first screen 6 and the first fixing plate 7 through the first mesh 601. After the protrusion of the cam 20 is separated from the trigger switch 19, the first electromagnet 701 breaks the point, the remaining larger steel shots directly fall into the first collecting frame 11 under the action of self gravity, and the smaller steel shots directly fall into the first collecting frame 12 under the action of self gravity. And then, starting the draught fan 18, enabling the steel shots in the first material collecting frame 12 to enter the upper cavity along the material suction pipe 15 under the action of the draught fan 18 and be sprayed out through the spray pipe 17, and performing a secondary screening process until the screening work is finished.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The steel shot sorting device comprises a shell, a feeding hopper and a discharging pipe, and is characterized in that the feeding hopper is fixedly connected with the upper end of the side wall of the shell through the feeding pipe, the feeding pipe is arranged in a downward inclined mode, the discharging pipe is connected to the lower end of one side, away from the feeding pipe, of the shell, a supporting frame is arranged in the shell in a horizontal arrangement mode, two ends of the supporting frame are respectively connected with the inner wall of the side face of the shell, and the shell is divided into an upper cavity and a lower cavity; at least two screen meshes are vertically arranged at the bottom of the upper cavity at intervals, a plurality of mesh openings are formed in the screen meshes, the aperture of each mesh opening is sequentially reduced from the direction of a feeding pipe to the direction of a discharging pipe, and the upper ends of the mesh openings along the feeding direction of the steel shots are connected with hard balls; the intracavity is equipped with a plurality of collection frames from inlet pipe direction to discharging pipe direction in proper order down, and every is collected the frame and is located the front of corresponding screen cloth, is equipped with a plurality of material collection frames from inlet pipe direction to discharging pipe direction in proper order in the cavity of resorption, and every material collection frame is located the back of corresponding screen cloth, is equipped with a plurality of intermittent type formula magnet from inlet pipe direction to discharging pipe direction in proper order in the epicoele and inhales material mechanism, and every intermittent type formula magnet inhales material mechanism and is located the back of corresponding screen cloth and is located the corresponding frame that gathers materials, intermittent type formula magnet inhales and is equipped with between material mechanism and the next adjacent screen cloth and inhales the material pipe, inhale the bottom intercommunication that the lower extreme of material pipe passed braced frame and material collection frame, inhale the lateral wall that the material pipe is located the part of epicoele and be connected with.

2. The steel shot sorting device according to claim 1, wherein: the intermittent type magnet material absorbing mechanism comprises a fixing plate, an electromagnet and a control mechanism, wherein the bottom end of the fixing plate is connected to the bottom of the upper cavity, the fixing plate is parallel to the corresponding screen, a groove is formed in one side, facing the corresponding screen, of the fixing plate, the groove is coaxial with meshes of the corresponding screen, and the electromagnet is buckled in the groove; the control mechanism comprises a trigger switch and a cam driven to rotate by a motor, the trigger switch is electrically connected with the electromagnet, the cam is located on one side of the trigger switch, and when the cam rotates, the protruding portion of the cam can be in contact with the trigger switch.

3. The steel shot sorting device according to claim 2, wherein: the cam is fixedly connected with the motor through a rotating shaft, a base station is arranged below the rotating shaft, a supporting rod is vertically connected to the base station, a sleeve is arranged at the free end of the supporting rod, a rolling bearing is arranged in the sleeve, the rotating shaft penetrates through the rolling bearing to be rotatably connected with the sleeve, and the rotating shaft is perpendicular to the supporting rod.

4. The steel shot sorting device according to claim 2, wherein: an iron plate is arranged between the fixed plate and the material suction pipe, and the iron plate is vertically connected to the bottom of the upper cavity.

5. The steel shot sorting device according to any one of claims 1 to 4, characterized in that: the screen is arranged at the bottom of the upper cavity in a forward inclining mode.

6. The steel shot sorting device according to any one of claims 1 to 4, characterized in that: the upper end of the material suction pipe is connected with an elastic cushion.

7. The steel shot sorting device according to any one of claims 1 to 4, characterized in that: the number of meshes on each layer of the screen is at least two.