CN105903674A

CN105903674A - Linear vibrating screen

Info

Publication number: CN105903674A
Application number: CN201610359724.4A
Authority: CN
Inventors: 杨鹏; 冀智良; 吴电林
Original assignee: Shijiazhuang Source Mechanical Equipment Co Ltd
Current assignee: Shijiazhuang Source Mechanical Equipment Co Ltd
Priority date: 2016-05-27
Filing date: 2016-05-27
Publication date: 2016-08-31
Anticipated expiration: 2036-05-27
Also published as: CN105903674B

Abstract

The invention discloses a linear vibrating screen and belongs to the field of screening equipment. The linear vibrating screen comprises a support and a screen body. The screen body is fixed to the support and comprises a base, a vibration exciter, discharging pipes and N screen beds, the vibration exciter and the discharging pipes are arranged on the lower portion of the base, the N screen beds are installed on the upper portion of the base, and the discharging pipes correspond to discharging openings in the screen beds in position, wherein N is a natural number larger than 2. The base is provided with a screen bed limiting and fixing mechanism. The N screen beds are fixed to the base through the screen bed limiting and fixing mechanism. The screen body is mainly composed of the base and the screen beds, the screen beds are fixed to the base through the limiting and fixing mechanism, the structure is simple, the weight of the whole product is reduced, power of the vibration exciter is reduced, cost is reduced, the screen beds and the base are connected through rhombic telescopic frames, the screen beds are connected through rhombic telescopic frames, the screen beds and the base are controlled to ascend and descend by lifting rods, overhaul and screen replacement are convenient, the whole screen beds do not need to be taken down during screen replacement, and time and labor are saved.

Description

Linear vibrating screen

Technical field

The invention belongs to screening plant field, be specifically related to a kind of linear vibrating screen.

Background technology

At present, existing linear vibrating screen is the most all single-deck screen bed structure, it is impossible to realize sizing screening while material.In order to realize stock grading being screened simultaneously, it is developed Multilayer vibrating screen, but, these Multilayer vibrating screens are all based on single-deck vibrating screen structure, sifting bed layering being fixed in screen box, overall structure is heavier, and the installation of each layer sifting bed, dismounting draping is the most cumbersome, has a strong impact on production efficiency.Owing to have employed screen box structure, processing and fabricating is taken a lot of work waste material, relatively costly, and needs to configure the vibrator of relatively high power, and use cost is high, is unfavorable for energy-conserving and environment-protective.

Summary of the invention

The technical issues that need to address of the present invention be to provide a kind of simple in construction, lightweight, material is carried out simultaneously sizing screening, draping is convenient, work efficiency much higher layer linear vibrating screen.

For solving above-mentioned technical problem, the technical solution adopted in the present invention is:

nullA kind of linear vibrating screen，Including support and the sieve nest that is fixed on support，Described sieve nest includes base、It is installed on the vibrator below base、Discharge nozzle and be installed on the N sheet sifting bed above base，Described N sheet sifting bed is followed successively by the 1st sifting bed from top to bottom，2nd sifting bed is to N sifting bed，On the right side of described 1st sifting bed, the 1st discharging opening is set，On the right side of 2nd sifting bed, right-to-left sets gradually the 1st discharging opening、2nd discharging opening，By that analogy，On the right side of N sifting bed, right-to-left sets gradually the 1st discharging opening，2nd discharging opening is to N discharging opening，On the right side of base, right-to-left sets gradually the 1st discharging opening，2nd discharging opening is to N+1 discharging opening，1st discharging opening of each sifting bed is corresponding with the 1st discharging opening position on base，Form the 1st tapping channel，2nd discharging opening of each sifting bed is corresponding with the 2nd discharging opening position on base，Form the 2nd tapping channel，By that analogy，The N discharging opening of each sifting bed is corresponding with the N discharging opening position on base，Form N tapping channel，N+1 discharging opening on base forms N+1 tapping channel，Wherein，N is the natural number more than 2，Described base is provided with sifting bed limiting fixing mechanism，N sheet sifting bed is fixed on base by described sifting bed limiting fixing mechanism，The capping of described 1st sifting bed band installed above charging aperture，Described charging aperture is positioned at the left end of capping.

Further, it is further fixed on discharge nozzle below described base, described discharge nozzle arranges N+1, right-to-left is followed successively by the 1st discharge nozzle, and the 2nd discharge nozzle is to N+1 discharge nozzle, and the 1st discharge nozzle position is corresponding with the 1st tapping channel position, 2nd discharge nozzle position is corresponding with the 2nd tapping channel position, by that analogy, N discharge nozzle position is corresponding with N tapping channel position, and N+1 discharge nozzle is corresponding with the N+1 tapping channel position on base.

Further, described sifting bed limiting fixing mechanism includes the limited post being fixed on sifting bed side, the position-limited rack being fixed on base, and the C-shaped fixation kit being connected on base, described position-limited rack is vertically fixed on above base, and it is positioned at sifting bed side, on position-limited rack, the side towards sifting bed arranges vertical stopper slot, described limited post stretches in stopper slot, the size of stopper slot is mated with limited post, described C-shaped fixation kit includes that two ends arrange the fixation clip of U-lag, the hinged seat being fixed on base and the pull bar being connected by bearing pin with hinged seat, described hinged seat is symmetrically fixed on the both sides of sifting bed on base, the pull bar other end hinged with hinged seat snaps in the U-lag of fixation clip, and fixation clip is pressed on sifting bed by the pull bar other end by wing nut.One section of stopper slot on described stopper slot top is bell mouth shape gathering sill.

Further, also include the lowering or hoisting gear driving sifting bed lifting, described lowering or hoisting gear includes driving motor, by driving motor-driven elevating lever, being connected to the rhombus expansion bracket between sifting bed and base and between sifting bed and sifting bed, the side of arbitrary sifting bed is fixed in described elevating lever upper end, lower end connects driving motor through base and by drive mechanism, described elevating lever, at least provided with 4 sets, is installed on sifting bed both sides symmetrically, and described driving motor is fixed on below base.

Preferably, the position installing elevating lever below described base is provided with elevating lever protection sleeve, and elevating lever lower end is protected in sleeve through drive mechanism entrance elevating lever after base.

Preferably, the part described elevating lever being positioned on base is cased with rubber and stretches protective jacket.

Further, described sifting bed includes bedstead and the screen cloth being fixed on bedstead, described bedstead includes the rectangular frame being made up of left frame, left frame, front bezel and rear frame, the stull being fixed between left frame and left frame and rectangle grid framework, be rectangle material outlet between described stull and rear frame；The two ends of described screen cloth fixed grit fixture respectively, described screen cloth one end is connected with stull by screen cloth fixture, the screen cloth other end is connected with front bezel by screen cloth fixture, make described screen cloth be positioned at rectangle grid framework end face, and the dual-side of screen cloth is positioned at above rectangle grid framework dual-side.

Preferably, welding right angle edge sealing at the corner of described rectangular frame lateral surface；It is fixed with sieve plate in the bottom surface of rectangle grid framework.

Preferably, described screen cloth fixture includes two groups of fixation kits being fixed on bedstead by screen cloth, screen cloth two ends are each fixes one group of fixation kit, described fixation kit includes clamping plate and connector, clamping plate and connector connect fixing by screw or bolt, screen cloth is fixedly clamped by clamping plate and connector, often group fixation kit is flexibly connected with bedstead by respective connector, and the connector of two groups of fixation kits is respectively adopted different structures, the connector of one of which fixation kit is the connection support arranging connecting bolt, connector is flexibly connected with bedstead by connecting bolt, the connector of another group fixation kit is made up of integrated clamping plate linkage section and hook section, connector is connected with bedstead mounting by hook section.

Owing to have employed technique scheme, the technological progress that the present invention obtains is: the sieve nest of the present invention is mainly made up of base and multi-disc sifting bed, and multi-disc sifting bed is fixed on base by limiting fixing mechanism, simple in construction, reduce the weight of integral product, reduce vibrator power, reduce and between cost, sifting bed and base and sifting bed, use rhombus expansion bracket to connect, and controlled lifting by elevating lever, convenient maintenance and draping, need not take off full wafer sifting bed during draping, time saving and energy saving；Screen cloth is fixed with bedstead by screen cloth fixture, convenient dismounting, changes screen cloth simple and fast, and screen cloth arranges one layer of sieve plate further below simultaneously, can avoid the caking of moist material.The rectangular frame lateral surface four welded corner joint right angle edge sealing of bedstead, enhances the antidetonation crack resistence ability of screen cloth bedstead.Screen cloth two ends are flexibly connected with screen frame (unit) by the connector in fixation kit, wherein the connector of one end uses bolt to be connected with screen frame (unit), bolt quantity is few, facilitate dismounting and change screen cloth, the connector of the other end is coupling type connector, use hook section to be directly articulated on screen frame (unit), change speed faster, substantially increase replacing efficiency.

Accompanying drawing explanation

Fig. 1 is sieve nest structural representation of the present invention；

Structural representation when Fig. 2 is draping of the present invention；

Fig. 3 is the structural representation of fixation clip of the present invention；

Fig. 4 is the sifting bed main TV structure schematic diagram after the present invention removes screen cloth；

Fig. 5 is the main TV structure schematic diagram of sifting bed of the present invention；

Fig. 6 is the side-looking structural representation of sifting bed of the present invention；

Fig. 7 is one group of fixation kit structural representation in screen cloth fixture of the present invention；

Fig. 8 is Fig. 7 side-looking structural representation of the present invention；

Fig. 9 is another group fixation kit structural representation in screen cloth fixture of the present invention；

Figure 10 is Fig. 9 side-looking structural representation of the present invention；

Wherein: 1, base, 2, drive motor, 3, elevating lever protection sleeve; 4, discharge nozzle, 5, charging aperture, 6, wing nut; 7, rhombus expansion bracket, 8, position-limited rack, 9, pull bar; 10, fixation clip, 11, hinged seat, 12, limited post; 13, elevating lever, 21, front bezel, 22, right angle edge sealing; 23, left frame, 24, sieve plate, 25, stull; 26, material outlet, 27, rear frame, 28, left frame; 29, rectangle grid framework; 30, screen cloth, 100, clamping plate, 200, connecting bolt; 301, clamping plate linkage section, 302, hook section.

Detailed description of the invention

Below in conjunction with embodiment, the present invention is described in further details:

The present invention is the linear vibrating screen that a kind of multi-disc sifting bed superposition is fixed, and has simple in construction, lightweight, the convenient feature of draping.

The present invention includes the support for fixing vibration screen body and sieve nest part, and during use, described sieve nest is fixed on support, arranges damping spring or yielding rubber pad between sieve nest and support.nullAs depicted in figs. 1 and 2，The sieve nest of the present invention includes base 1、It is installed on the vibrator below base 1、Discharge nozzle 4 and be installed on the N sheet sifting bed above base，Described N sheet sifting bed is followed successively by the 1st sifting bed from top to bottom，2nd sifting bed ... N sifting bed，On the right side of described 1st sifting bed, the 1st discharging opening is set，On the right side of 2nd sifting bed, right-to-left sets gradually the 1st discharging opening、2nd discharging opening，By that analogy，On the right side of N sifting bed, right-to-left sets gradually the 1st discharging opening，2nd discharging opening ... N discharging opening，On the right side of base, right-to-left sets gradually the 1st discharging opening，2nd discharging opening ... N+1 discharging opening，1st discharging opening of each sifting bed is corresponding with the 1st discharging opening position on base，Form the 1st tapping channel，2nd discharging opening of each sifting bed is corresponding with the 2nd discharging opening position on base，Form the 2nd tapping channel，By that analogy，The N discharging opening of each sifting bed is corresponding with the N discharging opening position on base，Form N tapping channel，N+1 discharging opening on base forms N+1 tapping channel，Described discharge nozzle arranges N+1，Right-to-left is followed successively by the 1st discharge nozzle，2nd discharge nozzle ... N+1 discharge nozzle，1st discharge nozzle position is corresponding with the 1st tapping channel position，2nd discharge nozzle position is corresponding with the 2nd tapping channel position，By that analogy，N discharge nozzle position is corresponding with N tapping channel position，N+1 discharge nozzle position is corresponding with the N+1 tapping channel position on base，When all of sifting bed superposition is fixed on base，The corresponding unique tapping channel of each discharge nozzle，Wherein，N is the natural number more than 2.

In order to make sifting bed fixation on base, during vibrosieve work, will not play between sifting bed, being provided with sifting bed limiting fixing mechanism on described base, all sifting beds are firmly fixed on base by described sifting bed limiting fixing mechanism, for ensureing that feeding is convenient, during shaker vibration, material will not shed above sifting bed, in the capping of the 1st sifting bed band installed above charging aperture 5 of the superiors, and described charging aperture 5 is arranged on the left end of capping.So, during vibrosieve work, the material charging aperture from left side enters, and sieves step by step through each layer vibrosieve, the discharging opening on right side falls into discharge nozzle, finally obtains qualified classification material.

For simplifying structure, easy disassembly and maintenance, described sifting bed limiting fixing mechanism includes the limited post 12 being fixed on sifting bed side, the position-limited rack 8 being fixed on base, and the C-shaped fixation kit being connected on base, described position-limited rack 8 is vertically fixed on above base 1, and it is positioned at sifting bed side, on position-limited rack 8, vertical stopper slot is set on the one side of sifting bed, described limited post stretches in stopper slot, the size of stopper slot is mated with limited post, limited post is carried out spacing by stopper slot, thus the position of spacing sifting bed left and right directions in order to make installation (or decline) time, limited post is easily accessible stopper slot, one section of stopper slot on described stopper slot top is bell mouth shape gathering sill.In order to make Stability Analysis of Structures, two position-limited racks 8 are set in sifting bed lateral symmetry, coordinate with the limited post on sifting bed and sifting bed is carried out spacing.Described C-shaped fixation kit includes that two ends arrange the fixation clip 10(of U-lag and see Fig. 3), the hinged seat 11 being fixed on base and the pull bar 9 being connected by bearing pin with hinged seat 11, described hinged seat 11 is symmetrically fixed on the both sides of sifting bed on base 1, pull bar 9 other end hinged with hinged seat 11 snaps in fixation clip 10U shape groove, and fixation clip 10 is pressed on sifting bed by pull bar 9 other end by wing nut 6.In order to make sifting bed fixation, described C-shaped fixation kit arranges many sets (seeing Fig. 1, be provided with 5 sets), uniformly fixes sifting bed.

nullKeep in repair draping for convenience，Whole sifting bed need not be dismantled during draping，Only change mesh sheet，The present invention is also provided with driving the lowering or hoisting gear of sifting bed lifting，This lowering or hoisting gear includes driving motor 2，By driving motor-driven elevating lever 13，It is connected to the rhombus expansion bracket 7 between sifting bed and base 1 and between sifting bed and sifting bed，The side of N sifting bed is fixed in described elevating lever 13 upper end，Lower end connects driving motor 2 through base and by drive mechanism，The stablizing of whole device during in order to ensure lifting，Described elevating lever is at least provided with 4 sets，And it is installed on sifting bed both sides symmetrically，Described driving motor 2 is fixed on below base 1，Elevating lever synchronization lifting is overlapped by transmission mechanism control 4，During lifter rod lifting，N sifting bed is driven to lift，Thus drive rhombus telescope support to stretch，Drive other sifting bed being connected with rhombus telescope support to lift and ensure its balance and stablize，When elevating lever rises to top，Between each sifting bed, gap occurs，It is convenient for changing mesh sheet (seeing Fig. 2).

In order to protect elevating lever; the position installing elevating lever below described base is provided with elevating lever protection sleeve 3; elevating lever lower end through after base 1 in drive mechanism enters elevating lever protection sleeve 3, the part that elevating lever 13 is positioned on base is cased with rubber and stretches protective jacket.

As Figure 4-Figure 6, the present invention includes bedstead and the screen cloth 30 being fixed on bedstead, described bedstead includes the rectangular frame being made up of left frame 28, left frame 23, front bezel 21 and rear frame 27, the stull 25 being fixed between left frame 28 and left frame 23 and rectangle grid framework 29, be rectangle material outlet 26 between described stull 25 and rear frame 27；The two ends of described screen cloth 30 are fixed with screen cloth fixture respectively, described screen cloth 30 one end is connected with stull 25 by screen cloth fixture, fixed form preferably employs mounting and connects fixing, screen cloth 30 other end is connected with front bezel 21 by screen cloth fixture, fixed form is preferably selected and is joined with bolts, after screen cloth is fixing, makes screen cloth be integrally located at rectangle grid framework 29 end face, and the dual-side of screen cloth is positioned at above rectangle grid framework 29 dual-side.Held screen cloth by rectangle grid framework 29, prevent its compressive deformation, side material leakage.

In order to ensure screen cloth convenient fixing, the end face of described rectangle grid framework 29 flushes with rectangular frame end face, and stull 25 end face flushes with rectangular frame end face.

In order to make sifting bed be suitable to different use environmental requirements, it is fixed with sieve plate 24 in the bottom surface of rectangle grid framework 29.And the upper-lower height of described rectangle grid framework 29 is less than the upper-lower height of rectangular frame, forms storing space in the rectangular frame below rectangle grid framework 29, meet the requirement that sifting bed superposition uses.

Owing to being in vibrational state when sifting bed works, the rectangular frame of composition bedstead is typically with welding assembly and forms, under Long-term Vibration, corner weld easily ftractures, sifting bed is caused to damage, therefore, welding right angle edge sealing 22 at the corner of rectangular frame lateral surface, corner is encased by right angle edge sealing 22, and weld is the most easy to crack.

Screen cloth fixture of the present invention includes two groups of fixation kits being fixed on bedstead by screen cloth 30, and screen cloth 30 two ends are each fixes one group of fixation kit.Described fixation kit includes clamping plate 100 and connector, clamping plate 100 and connector connect fixing by screw or bolt, screen cloth 30 is fixedly clamped by clamping plate 100 and connector, often group fixation kit is flexibly connected with bedstead by respective connector, and the connector of two groups of fixation kits is respectively adopted different structures.As Figure 7-8, the connector of one of which fixation kit is the connection support arranging connecting bolt 200, connector is flexibly connected with bedstead by connecting bolt 200, and described connecting bolt 200 vertical connections is welded and fixed, and described connecting bolt 200 quantity is 2.As shown in figs. 9-10, the connector of another group fixation kit is made up of integrated clamping plate linkage section 301 and hook section 302, and connector is connected with bedstead mounting by hook section 302.

Claims

null1. a linear vibrating screen，Including support and the sieve nest that is fixed on support，It is characterized in that: described sieve nest includes base (1)、It is installed on the vibrator of base (1) lower section and is installed on the N sheet sifting bed above base，Described N sheet sifting bed is followed successively by the 1st sifting bed from top to bottom，2nd sifting bed is to N sifting bed，On the right side of described 1st sifting bed, the 1st discharging opening is set，On the right side of 2nd sifting bed, right-to-left sets gradually the 1st discharging opening、2nd discharging opening，By that analogy，On the right side of N sifting bed, right-to-left sets gradually the 1st discharging opening，2nd discharging opening is to N discharging opening，On the right side of base, right-to-left sets gradually the 1st discharging opening，2nd discharging opening is to N+1 discharging opening，1st discharging opening of each sifting bed is corresponding with the 1st discharging opening position on base，Form the 1st tapping channel，2nd discharging opening of each sifting bed is corresponding with the 2nd discharging opening position on base，Form the 2nd tapping channel，By that analogy，The N discharging opening of each sifting bed is corresponding with the N discharging opening position on base，Form N tapping channel，N+1 discharging opening on base forms N+1 tapping channel，Wherein，N is the natural number more than 2，Described base (1) is provided with sifting bed limiting fixing mechanism，N sheet sifting bed is fixed on base by described sifting bed limiting fixing mechanism，The capping of described 1st sifting bed band installed above charging aperture (5)，Described charging aperture (5) is positioned at the left end of capping.
Linear vibrating screen the most according to claim 1, it is characterized in that: described base (1) lower section is further fixed on discharge nozzle, described discharge nozzle arranges N+1, right-to-left is followed successively by the 1st discharge nozzle, and the 2nd discharge nozzle is to N+1 discharge nozzle, and the 1st discharge nozzle position is corresponding with the 1st tapping channel position, 2nd discharge nozzle position is corresponding with the 2nd tapping channel position, by that analogy, N discharge nozzle position is corresponding with N tapping channel position, and N+1 discharge nozzle is corresponding with the N+1 tapping channel position on base.
nullLinear vibrating screen the most according to claim 2，It is characterized in that: described sifting bed limiting fixing mechanism includes being fixed on the limited post (12) of sifting bed side，The position-limited rack (8) being fixed on base (1)，And the C-shaped fixation kit being connected on base，Described position-limited rack (8) is vertically fixed on above base，And it is positioned at sifting bed side，On position-limited rack (8), the side towards sifting bed arranges vertical stopper slot，Described limited post (12) stretches in stopper slot，The size of stopper slot is mated with limited post，Described C-shaped fixation kit includes that two ends arrange the fixation clip (10) of U-lag，The hinged seat (11) being fixed on base (1) and the pull bar (9) being connected by bearing pin with hinged seat (11)，Described hinged seat (11) is symmetrically fixed on the both sides of sifting bed on base，Pull bar (9) other end hinged with hinged seat (11) snaps in the U-lag of fixation clip (10)，And fixation clip (10) is pressed on sifting bed by pull bar (9) other end by wing nut (6).
Linear vibrating screen the most according to claim 3, it is characterised in that: one section of stopper slot on described stopper slot top is bell mouth shape gathering sill.
5. according to the linear vibrating screen described in any one of claim 1-4, it is characterized in that: also include driving the lowering or hoisting gear of sifting bed lifting, described lowering or hoisting gear includes driving motor (2), by the elevating lever (13) driving motor (2) to drive, it is connected to the rhombus expansion bracket (7) between sifting bed and base (1) and between sifting bed and sifting bed, the side of arbitrary sifting bed is fixed in described elevating lever (13) upper end, lower end connects driving motor (2) through base and by drive mechanism, described elevating lever (13) is at least provided with 4 sets, it is installed on sifting bed both sides symmetrically, described driving motor (2) is fixed on base (1) lower section.
Linear vibrating screen the most according to claim 5; it is characterized in that: the position installing elevating lever (13) below described base (1) is provided with elevating lever protection sleeve (3), elevating lever lower end is protected in sleeve (3) through drive mechanism entrance elevating lever after base.
Linear vibrating screen the most according to claim 5, it is characterised in that: the part being positioned on base (1) on described elevating lever (13) is cased with rubber and stretches protective jacket.
Linear vibrating screen the most according to claim 1, it is characterized in that: described sifting bed includes bedstead and the screen cloth (30) being fixed on bedstead, described bedstead includes the rectangular frame being made up of left frame (28), left frame (23), front bezel (21) and rear frame (27), the stull (25) being fixed between left frame (28) and left frame (23) and rectangle grid framework (29), be rectangle material outlet (26) between described stull (25) and rear frame (27)；The two ends of described screen cloth (30) fixed grit fixture respectively, described screen cloth one end is connected with stull (25) by screen cloth fixture, the screen cloth other end is connected with front bezel (21) by screen cloth fixture, make described screen cloth be positioned at rectangle grid framework (29) end face, and the dual-side of screen cloth (30) is positioned at above rectangle grid framework (29) dual-side.
Linear vibrating screen the most according to claim 8, it is characterised in that: welding right angle edge sealing (22) at the corner of described rectangular frame lateral surface；It is fixed with sieve plate (24) in the bottom surface of rectangle grid framework (29).
nullLinear vibrating screen the most according to claim 8，It is characterized in that: described screen cloth fixture includes two groups of fixation kits being fixed on bedstead by screen cloth (30)，Screen cloth (30) two ends are each fixes one group of fixation kit，Described fixation kit includes clamping plate (100) and connector，Clamping plate (100) and connector connect fixing by screw or bolt (200)，Screen cloth (30) is fixedly clamped by clamping plate (100) and connector，Often group fixation kit is flexibly connected with bedstead by respective connector，And the connector of two groups of fixation kits is respectively adopted different structures，The connector of one of which fixation kit is the connection support arranging connecting bolt，Connector is flexibly connected with bedstead by connecting bolt (200)，The connector of another group fixation kit is made up of integrated clamping plate linkage section (301) and hook section (302)，Connector is connected with bedstead mounting by hook section (302).