CN108607648A

CN108607648A - Crusher

Info

Publication number: CN108607648A
Application number: CN201810588856.3A
Authority: CN
Inventors: 补正伟; 张华伟
Original assignee: CHENGDU WANJI ELECTRICAL EQUIPMENT MANUFACTURING Co Ltd
Current assignee: CHENGDU WANJI ELECTRICAL EQUIPMENT MANUFACTURING Co Ltd
Priority date: 2018-06-08
Filing date: 2018-06-08
Publication date: 2018-10-02
Anticipated expiration: 2038-06-08
Also published as: CN108607648B

Abstract

The invention discloses a kind of crushers, including crusher chamber and blanking port, it is provided with main rotor in crusher chamber and toothed plate type is crushed portion, the spindle face that crusher chamber is assumed by one is divided into the first, second cavity, which is a vertical face for passing through main rotor shaft center line；The direction of rotation of main rotor is to be rotated from the first cavity to the second cavity around after minimum point；Toothed plate type is crushed portion and is arranged in by main rotor side, and main part is located in the first cavity, and initiating terminal is crossed spindle face and started from the second cavity, and end terminates in the oblique upper of main rotor minimum point in the first cavity；Blanking port correspond to the second cavity be set to toothed plate type be crushed the obliquely downward of portion's initiating terminal, main rotor oblique upper.Blanking port and toothed plate type broken segment are not designed in the both sides of main rotor, material falls into the fierce strike by main rotor after crusher chamber, it can move upwards and be crushed between portion and main rotor in toothed plate type and be hit back and forth, hit number and be increased, crushing effect is significantly improved.

Description

Crusher

Technical field

The present invention relates to coals and gangue to be crushed field, and in particular to a kind of crusher.

Background technology

The sieving approach all-in-one machine of break up coal or gangue, agent structure include crusher shell, are located on shell The screening distributor of side positioned at enclosure interior and is provided with the crusher chamber of breaker and the discharging below crusher chamber Mouthful.

Current sieving approach all-in-one machine, shock number of the material in crusher chamber is less, when causing in face of hard material very It is difficult to guarantee crushing effect.Therefore, it is necessary to be improved to existing sieving approach all-in-one machine, by increasing material in crusher chamber Interior shock number improves crushing effect.

In addition, what the breaker of most sieving approach all-in-one machines was all made of is sieve plate, when material has certain moisture When, sieve plate is easy to block, and leads to that knot tying can be formed on sieve plate, can aggravate the abrasion of tup and sieve plate in this way, reduces broken The service life of machine.

Invention content

Existing crusher, crusher chamber include mainly the main rotor equipped with tup and the broken dress positioned at main rotor side Set, inventor it has been investigated that, after material enters crusher chamber, the less reason of material impacting number is mainly：Breaker and Material enters the discharging point of crusher mostly all in the homonymy of main rotor, and when material falls into main rotor, tup can be downward by material Hammering, so that tup is when in face of to hard material it is difficult to ensure that broken to the cycle usually not more than 2 times of single material Broken effect, such as the reversible disintegrating machine disclosed in Chinese patent of the Authorization Notice No. for CN105435903B, are discharging points (the feed-crushing mouth i.e. in the patent) is located at the homonymy of main rotor with breaker (impact rack i.e. in the patent).

Based on above-mentioned discovery, it is a primary object of the present invention to：The crusher that a kind of structure is different from the prior art is provided, Increase shock number of the material in crusher chamber by more reasonably structure design, hard material is crushed with improving crusher Ability.

The technical solution adopted by the present invention to solve the technical problems is：Crusher, including casing, breaking in casing Broken chamber, the discharge port below crusher chamber and the blanking port positioned at crusher chamber top are provided in the crusher chamber and are equipped with The main rotor and toothed plate type of tup are crushed portion, and the spindle face that the crusher chamber is assumed by one is divided into the first cavity and the second chamber Body, the spindle face are a vertical face and the shaft center line across the main rotor；When work, the main rotor is around the rotation Axial line rotates after minimum point of the direction of rotation to bypass crusher chamber from the first cavity to the second cavity in 360 ° of rotations；Institute The toothed plate type stated is broken, and portion is arc-shaped is arranged in by the side of main rotor, and main part is located in the first cavity, and initiating terminal is got over The position that the spindle face starts from close spindle face in the second cavity is crossed, end terminates in main rotor minimum point in the first cavity Oblique upper；The blanking port correspondence the second cavity setting, is located at the obliquely downward of the broken portion's initiating terminal of toothed plate type, master turns The oblique upper of son；

Wherein, toothed plate type is crushed the spacing in portion and main rotor, and the initiating terminal that portion is crushed from toothed plate type gradually contracts to its end It is small.

In above-mentioned technical proposal, by the change of structure by blanking port and breaker (the broken portion of i.e. above-mentioned toothed plate type) It separately designs in the both sides of main rotor, and the direction phase that the direction of rotation according to main rotor known to above structure is fallen into material Instead, when material falls into crusher chamber, after the fierce strike of main rotor tup, material can be along direction counter motion obliquely And impinge upon toothed plate type and be crushed in portion, it is repelled back main rotor again later, tooth plate is reversely struck again after being hit again by tup Formula is crushed in portion, repeatedly multiple impact back and forth；In addition, according to toothed plate type be crushed portion's initiating terminal, end position it is found that tooth The radian that board-like broken portion is crossed over is larger, therefore usually single material can at least be hit 4-5 times repeatedly, to improve object The shock number in crusher chamber of material, when facing hard material, crushing effect can be significantly improved.

Further, it is 110 ° -160 ° that the toothed plate type, which is crushed portion relative to the angle that main rotor is covered,.

Further, it includes a fixed plate and a movable plate that the toothed plate type, which is crushed portion, wherein fixed plate is located at activity The upper end of the top of plate, movable plate is rotationally connected on casing, and the lower end of movable plate is configured with adjusting rod, which is used for Movable plate is adjusted, makes it based on the run-on point at the top of it closer or far from the main rotor.

The spacing between movable plate and main rotor can be adjusted according to discharging-material size, when material enters the lower portion of movable plate When setting, the tup of main rotor can squeeze material, and the smaller squeezing effect of spacing is stronger, be conducive to the broken of material.

Further, the end that portion is crushed close to the toothed plate type is provided with squeeze roller group, which includes Two compression rollers being arranged side by side by main rotor side, respectively the first compression roller and the second compression roller, two compression rollers it is outer Table has several double wedge rings, and the interlaced embedded other side's double wedge ring of double wedge ring of two compression rollers along its axis spaced set Gap in.

Further, the squeeze roller group is configured with damper box, and the damper box is for adjusting squeeze roller group and main rotor The distance between.

After material enters the tail portion (namely tail portion of above-mentioned movable plate) in the broken portion of toothed plate type, in squeezing for main rotor tup During pressure, material is since the effect of driving of itself inertia and tup will continue to downlink and enter at squeeze roller group.Root It is pre-adjusted the spacing between squeeze roller group and tup according to discharging-material size, after material enters, because between adjacent compression roller Double wedge ring is interlaced to be engaged and can rotate, and material is squeezed by double wedge ring and tup, and double wedge ring has shear action to material, So as to more effectively ensure discharging-material size.

Further, around double wedge ring be both provided on the outside of each double wedge ring it is multiple protrusion scrape head, this is scraped head and is used for Clean the residual material between adjacent tooth czermak space on adjacent compression roller.

Further, the rotary speed of two compression rollers is different.

It is designed on each double wedge ring of compression roller and scrapes head, scraping head can clear up, sweep down adjacent compression roller double wedge ring The material adhered between gap, the case where capable of effectively avoiding feed blocking compression roller.And due to the rotation of two compression rollers speed Degree is different, therefore in prolonged rotary course, and each position of adjacent compression roller can be swept to by scraping head, is not fixed point Inswept same position so as to full angle clears up the material adhered on adjacent compression roller.

Further, the direction of rotation of two compression rollers is identical, and can forward or reverse.

Since compression roller has the function of positive and negative rotation, when compression roller rotates forward, the material velocity of discharge can be accelerated, and can reduce object Expect the residence time in squeeze roller group, and then increases the yield of crusher, and when compression roller inverts, material velocity of discharge meeting Slow down, residence time of the material in squeeze roller group can be increased, and then can more effectively control the discharging-material size of crusher.

Further, the crusher further includes screening distributor, which is installed on the crusher chamber Top is not necessarily to broken material for screening out, the as described blanking port of screening distributor terminal discharge mouth.

Screening distributor can screen out qualified material, make qualified material that can be expelled directly out without broken, so as to Reduce the abrasion of crusher chamber inner part.

Description of the drawings

Fig. 1 is the structural schematic diagram of crusher provided by one embodiment of the present invention；

Fig. 2 is the fundamental diagram of Fig. 1；

Fig. 3 is the structural schematic diagram of squeeze roller group in Fig. 1；

Fig. 4 is the side view of the double wedge ring of two compression rollers in Fig. 3；

Fig. 5 is the schematic diagram of squeeze roller group forward or reverse in Fig. 1；

In figure label for：10- casings, 20- crusher chambers, 30- discharge ports, 40- blanking ports, 50- main rotors, 60- toothed plate types Broken portion, 70- spindle faces, 80- squeeze roller groups, 90- damper boxs, 100- screening distributors；

The first cavitys of 201-, the second cavitys of 202-, 501- tups, 502- shaft center lines, 601- fixed plates, 602- activities Plate, 603- adjusting rods, the first compression rollers of 801-, the second compression rollers of 802-, 803- double wedge rings, 804- scrape head.

Specific implementation mode

The present invention is described in further detail with reference to specific embodiment, but embodiments of the present invention are not limited to This.

As Figure 1-Figure 5, the present invention provides a kind of crushers comprising casing 10, being crushed in casing 10 Chamber 20, the blanking port 40 positioned at the discharge port 30 of the lower section of crusher chamber 20 and positioned at 20 top of crusher chamber, in the crusher chamber 20 It is provided with main rotor 50 and toothed plate type equipped with tup 501 and is crushed portion 60.

The spindle face 70 that the crusher chamber 20 is assumed by one is divided into the first cavity 201 and the second cavity 202, the main shaft Face 70 is a vertical face and the shaft center line 502 across the main rotor 50, as depicted in figs. 1 and 2, i.e. the first cavity 201 Left side in figure, the second cavity 202 are located at the right side in figure.When work, the main rotor 50 is around the shaft center line 502 in 360 ° of rotations, and are revolved to the second cavity 202 after minimum point of the direction of rotation to bypass crusher chamber 20 from the first cavity 201 Turn, i.e., is seen as rotating counterclockwise by Fig. 1 or Fig. 2.The toothed plate type is crushed the arc-shaped side for being arranged in main rotor 50 in portion 60 Side, main part are located in the first cavity 201, initiating terminal cross the spindle face 70 start from it is close in the second cavity 202 The position of spindle face 70, end terminate in the oblique upper of 70 minimum point of main rotor in the first cavity 201, i.e., by Fig. 2 from the point of view of, tooth plate Formula is crushed 60 initiating terminal of portion to the line of 50 shaft center line 502 of main rotor and 0 ° of the angle α ＞ of spindle face 70, and α is 10 ° of left sides It is preferable when right.The blanking port 40 corresponds to the second cavity 202 setting, is located at toothed plate type and is crushed the oblique of 60 initiating terminal of portion Lower section, main rotor 50 oblique upper.

Wherein, toothed plate type is crushed the spacing in portion 60 and main rotor 50, and the initiating terminal in portion 60 is crushed to its end from toothed plate type It is gradually reduced, referring to Fig. 1 or Fig. 2.

The side that the toothed plate type is crushed portion 60 is tooth form crushing shell, and the other side is supporting rack, supporting rack and casing 10 It is mutually fixed.

Preferably, it is 110 ° -160 ° that the toothed plate type, which is crushed portion 60 relative to the angle that main rotor 50 is covered,.The covering Angle enable toothed plate type to be crushed portion 60 to form three-level broken, as shown in Fig. 2, it is broken from top to bottom to divide into level-one successively Portion, two-stage crushing portion and three-level are crushed portion.

By above structure it is found that referring to Fig. 2, the present invention is by the change of structure by blanking port 40 and breaker (on i.e. The toothed plate type stated is crushed portion 60) it separately designs in the left and right sides of main rotor 50, and according to main rotor 50 known to above structure It direction that direction of rotation and material are fallen into is led on the contrary, i.e. referring to Fig. 2 it is found that material is fallen into down in second cavity 202 on right side Rotation that rotor 50 is counterclockwise reversely hits material winged.So when material falls into crusher chamber 20, by 50 tup 501 of main rotor After fierce strike, material along direction counter motion obliquely and can impinge upon toothed plate type and be crushed in portion 60, again anti-later Rebound main rotor 50, reversely strikes toothed plate type after being hit again by tup 501 again and is crushed in portion 60, repeatedly back and forth repeatedly It hits.Since toothed plate type is crushed, the radian that portion 60 is crossed over is larger, and usually single material can be crushed portion 60 along toothed plate type One, two, three broken portion hit back and forth between toothed plate crushing portion 60 and main rotor 50, usually single material is beaten back and forth The number hit is at least 4 to 5 times.

As it can be seen that discharging point is located at breaker for the technical solution of main rotor homonymy compared with the existing technology, this hair It is bright to separately design discharging point and breaker in main rotor both sides so that after material enters crusher chamber, material has been hit upwards, Be crushed between portion 60 and main rotor 50 in toothed plate type from top to down later and multiple impacts occur, increase material in crusher chamber 20 Interior shock number.When in face of hard material, crushing effect can be significantly improved.

In one embodiment of this invention, it includes a fixed plate 601 and a movable plate that the toothed plate type, which is crushed portion 60, 602, wherein fixed plate 601 is located at the top of movable plate 602, and the upper end of movable plate 602 is rotationally connected on casing 10, living The lower end of movable plate 602 is configured with adjusting rod 603, which makes it based on turn at the top of it for adjusting movable plate 602 Dynamic point is closer or far from the main rotor 50.

The spacing that can be pre-adjusted according to discharging-material size between movable plate 602 and main rotor 50, when material enters work When the lower position of movable plate 62, the tup 501 of main rotor 50 can squeeze material, and the smaller squeezing effect of spacing is stronger, profit In the broken of material.

Further, it sets being crushed at the end (namely tail portion of above-mentioned movable plate 602) in portion 60 close to the toothed plate type Be equipped with squeeze roller group 80, the squeeze roller group 80 include two compression rollers being arranged side by side by 50 side of main rotor, respectively first Compression roller 801 and the second compression roller 802, the appearances of two compression rollers 801,802 have along its axis spaced set several convex Ring gear 803, and in the gap of the interlaced embedded other side's double wedge ring of double wedge ring 803 803 of two compression rollers 801,802.Two The rotation of compression roller 801,802 is driven by motor.

The squeeze roller group 80 is configured with damper box 90, and the damper box 90 is for adjusting squeeze roller group 80 and main rotor 50 The distance between, it adjusts direction and can be found in Fig. 2.

Crusher can form two material press sections as a result, be between 602 lower portion of movable plate and main rotor 50 respectively The two level press section formed between the level-one press section and squeeze roller group 80 and main rotor 50 of formation, can refer to Fig. 2.Material It enters after toothed plate type is crushed the tail portion (namely tail portion of movable plate 602) in portion 60, can be squeezed by level-one press section, material Be crushed to a certain extent, later, in the extrusion process of 50 tup 501 of main rotor, material due to itself inertia and The effect of driving of tup 50 will continue to downlink and enter in two level press section.Squeeze roller group is regulated previously according to discharging-material size Spacing between 80 and tup 501, after material enters after two level press section, because of the double wedge between adjacent compression roller 801,802 Ring 803 is interlaced to be engaged and can rotate, and material can be by the extruding of double wedge ring 803 and tup 501, and double wedge ring 803 is to material There is shear action, to realize the secondary crushing of material.By the extruding successively of two-stage press section, can more effectively ensure to discharge Granularity.

When material residue blocks compression roller, especially material with certain moisture in order to prevent, material residue long-term adhesion Blocking caused by compression roller.In certain embodiments of the present invention, it can be improved as follows：Exist around double wedge ring 803 The outside of each double wedge ring 803 be both provided with it is multiple protrusion scrape first 804, as shown in figure 4, multiple scrape first 804 on double wedge ring 803 Equidistantly distributed.Also, in order to ensure to scrape first 804 can full angle scarfing cinder, when work also needs to ensure two compression rollers 801,802 Rotary speed is different.

Scraping first 804 can clear up, sweep down the material adhered between adjacent 803 gap of compression roller double wedge ring, can effectively keep away The case where exempting from feed blocking compression roller.And since the rotary speed of two compression rollers is different, rotating for a long time In the process, each position of adjacent compression roller can be swept to by scraping first 804, be not the inswept same position of fixed point, so as to full-shape The material residue adhered on adjacent compression roller is cleared up on degree ground.After increase scrapes first 804, during secondary extrusion, compression roller can Voluntarily to clear up the material residue being adhered on adjacent compression roller.

In order to control effectively to discharging speed or discharging-material size, in certain embodiments of the present invention, two institutes State compression roller 801,802 can forward or reverse, and direction of rotation is identical, as shown in Figure 5.

Since compression roller has the function of positive and negative rotation, when two compression rollers rotate forward simultaneously, the material velocity of discharge can be accelerated, Residence time of the material in squeeze roller group can be reduced, and then the discharging speed of crusher can be accelerated, increases yield, and when two When a compression roller inverts simultaneously, the material velocity of discharge can slow down, and can increase residence time of the material in squeeze roller group, Jin Erneng When more effectively controlling the discharging-material size, especially broken hard material of crusher, the increase residence time just can extend attrition crushing Time, material can be prevented really up to the mark, the completely broken and phenomenon that gets stuck that occurs.

Normally, crusher of the invention may also include screening distributor 100.The screening distributor 100 is installed on described The top of crusher chamber 20 can screen out qualified material, make qualified material that can be expelled directly out without broken, so as to reduce The abrasion of crusher chamber inner part.After increasing screening distributor 100, the discharge port of 100 end of screening distributor is described falls Material mouth 40.The screening distributor 100 of installation can form all-in-one machine by 10 integrally connected of casing of shell and crusher, to The crusher of the present invention is set to become sieving approach all-in-one machine.

Technical solution used by crusher of the present invention can finally be realized during break up coal and gangue, and charging is worked as When granularity is no more than 300mm, discharging-material size can be less than 8mm, even less than 6mm.And it will not go out in shattering process The phenomenon that now blocking crusher chamber, can realize the adjusting of discharging-material size, while can also realize the adjusting of yield during use.

Claims

1. crusher, including casing (10), the crusher chamber (20) being located in casing (10), the discharging below crusher chamber (20) Mouth (30) and the blanking port (40) for being located at crusher chamber (20) top, the crusher chamber (20) is interior to be provided with equipped with tup (501) Main rotor (50) and toothed plate type be crushed portion (60), it is characterised in that：The spindle face that the crusher chamber (20) is assumed by one (70) it is divided into the first cavity (201) and the second cavity (202), which is a vertical face and passes through the main rotor (50) shaft center line (502)；When work, the main rotor (50) rotates around the shaft center line (502) in 360 °, and Direction of rotation rotates after the minimum point to bypass crusher chamber (20) from the first cavity (201) to the second cavity (202)；The tooth Board-like broken portion (60) is arc-shaped to be arranged in by the side of main rotor (50), and main part is located in the first cavity (201), rises The position that the spindle face (70) starts from close spindle face (70) in the second cavity (202) is crossed at beginning, and end terminates in first The oblique upper of cavity (201) interior main rotor (70) minimum point；Corresponding second cavity (202) of the blanking port (40) is set It sets, is located at the obliquely downward of broken portion (60) initiating terminal of toothed plate type, the oblique upper of main rotor (50)；

Wherein, toothed plate type is crushed the spacing of portion (60) and main rotor (50), and the initiating terminal that portion (60) is crushed from toothed plate type is last to it End is gradually reduced.

2. crusher according to claim 1, it is characterised in that：The toothed plate type is crushed portion (60) relative to main rotor (50) angle covered is 110 ° -160 °.

3. crusher according to claim 1, it is characterised in that：It includes a fixed plate that the toothed plate type, which is crushed portion (60), (601) and a movable plate (602), wherein fixed plate (601) is located at the top of movable plate (602), the upper end of movable plate (602) It is rotationally connected on casing (10), the lower end of movable plate (602) is configured with adjusting rod (603), and the adjusting rod (603) is for adjusting Movable plate (602) is saved, makes it based on the run-on point at the top of it closer or far from the main rotor (50).

4. crusher according to claim 1, it is characterised in that：In the end for being crushed portion (60) close to the toothed plate type It is provided with squeeze roller group (80), which includes two compression rollers being arranged side by side by main rotor (50) side, point Not Wei the first compression roller (801) and the second compression roller (802), the appearance of two compression rollers (801,802) is between its axis etc. Away from being provided with several double wedge rings (803), and the interlaced embedded other side of double wedge ring (803) of two compression rollers (801,802) is convex In the gap of ring gear (803).

5. crusher according to claim 4, it is characterised in that：The squeeze roller group (80) is configured with damper box (90), the damper box (90) is for adjusting the distance between squeeze roller group (80) and main rotor (50).

6. crusher according to claim 4, it is characterised in that：Around double wedge ring (803) in the outer of each double wedge ring (803) What side was both provided with multiple protrusions scrapes head (804), this scrapes head (804) for cleaning adjacent tooth ring (803) on adjacent compression roller Residual material between gap.

7. crusher according to claim 4, it is characterised in that：The rotary speed of two compression rollers (801,802) It is different.

8. crusher according to claim 4, it is characterised in that：The direction of rotation of two compression rollers (801,802) It is identical, and can forward or reverse.

9. crusher according to claim 1, it is characterised in that：The crusher further includes screening distributor (100), The screening distributor (100) is installed on the top of the crusher chamber (20), and broken material, green ball screening and distribution are not necessarily to for screening out The as described blanking port (40) of the discharge port of device (100) end.