CN212263423U - Hammer crusher with movable sieve bars - Google Patents

Abstract

The utility model relates to a hammer crusher with activity grating, it relates to the technical field of breaker, and it includes the casing and installs rotor, tup, crushing plate and grating on the casing, being connected with swing structure of grating, swing structure installs on the casing, the grating passes through swing structure is reciprocating motion. A problem for solving the sieve mesh of grating has the material to block up in, sets up through swing structure for in the breaker working process, the grating constantly shakes, the utility model discloses have the effect that reduces the material and the condition of blockking up appears sieving the in-process.

Description

Hammer crusher with movable sieve bars

Technical Field

The utility model belongs to the technical field of the technique of breaker and specifically relates to a hammer crusher with activity grating is related to.

Background

The hammer crusher mainly completes the operation of crushing materials by impact energy. When the hammer crusher works, the motor drives the rotor to rotate at a high speed, materials uniformly enter the crusher cavity, the hammerhead rotating at a high speed impacts and shears and tears the materials to cause the materials to be crushed, meanwhile, the gravity action of the materials enables the materials to impact the inner baffle plate and the screen bars of the frame body from the hammerhead rotating at a high speed, the materials larger than the size of the screen holes are retained on the screen plate and continuously hit and ground by the hammer until the materials are crushed to the required discharge granularity, and finally the materials are discharged out of the crusher through the screen plate.

Chinese patent publication No. CN107469934A discloses a hammer crusher, which comprises a material inlet, a baffle, a mouth guard plate, a casing, a suspension ring, a counterattack plate, a hammer head, an edge guard plate, a rotor disc, a rotor shaft, a front guard plate, a spacer ring sleeve, a transmission shaft, a screen bar, a support screen plate and a bracket, the material entry be located the upper right side of casing, inside the baffle is connected material entry, the mouth backplate is connected on material entry's inner wall, casing top is connected to rings, the casing inner wall is connected to the counterattack board, the inside central point of transmission shaft connection casing puts, the transmission shaft periphery is provided with the spacer ring cover, the spacer ring cover is connected to the rotor dish, the rotor dish is connected to the limit backplate, four even connections of tup are on rotor dish and limit backplate, connect the rotor axle on four tups respectively, the inside right side of casing is connected to the preceding backplate, casing inside below is connected to the grating, the outside below of casing is connected to a sieve, the outside both sides of leg joint casing. The invention has simple structure, convenient use and reasonable technology.

The above prior art solutions have the following drawbacks: after the material is broken through the tup, export from the sieve mesh of grating, the great material of size continues to receive the strike and the grinding of hammer, but the long-time back of working of grating, the condition of jam appears in its sieve mesh easily.

SUMMERY OF THE UTILITY MODEL

According to the not enough of prior art existence, the utility model aims at providing a hammer crusher with activity grating sets up through swing structure for in the breaker working process, the grating constantly trembles, has the effect that reduces the material and appear the condition of jam at the in-process that sieves.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a hammer crusher with activity grating, includes the casing and installs rotor, tup, crushing plate and grating on the casing, being connected with swing structure of grating, swing structure installs on the casing, the grating passes through swing structure is reciprocating motion.

Through adopting above-mentioned technical scheme, the material is through the tup broken back, exports behind the sieve mesh of grating, and when the material size can not pass through the sieve mesh of grating, generally can be followed by pivoted hammer head and play, continues to beat. However, materials with partial sizes slightly larger than the sizes of the sieve holes of the sieve bars are easily clamped in the sieve holes of the sieve bars, and after the crusher works for a long time, the situation that the materials are blocked in a large area and cannot be discharged can occur. Through swing structure's setting for install the grating in the casing and can realize the swing, reduce the material whereabouts in-process and block the condition in the sieve mesh of grating, simultaneously, the partial card of being convenient for is the material in the sieve mesh of grating, through the long-time swing back of grating, can follow and shake out in the sieve mesh, reduces the probability that the sieve mesh blockked up the material.

The present invention may be further configured in a preferred embodiment as: the shell comprises a front side wall, a rear side wall, a lower shell and a side shell, wherein the side shell is connected with the front side wall, the rear side wall and the lower shell, the crushing plate is obliquely installed on the side shell, the side shell comprises an upper side shell, a left side shell and a right side shell, a feed inlet is formed in the upper side shell, the crushing plate is installed on the right side shell, one end of the crushing plate is arranged close to the feed inlet of the shell, the other end of the crushing plate extends towards the direction of the lower shell, and the swinging structure is located between the crushing plate and the right side shell.

Through adopting above-mentioned technical scheme, the crushing plate that the slope set up, the convenient material that will get into in the casing strikes the rotor position, makes simultaneously to leave certain space between crushing plate and the side casing to install swing structure, reduce the influence of swing structure to each part in the breaker.

The present invention may be further configured in a preferred embodiment as: the swing structure comprises a driving motor, a connecting rod assembly, a one-level swing arm and a one-level swing rail, wherein the driving motor is installed on the front side wall, the one-level swing arm is connected with the one-level swing rail in a sliding mode, the driving motor drives the one-level swing arm to move along the track of the one-level swing rail repeatedly, and the one-level swing arm is fixedly connected with the screen bars.

Through adopting above-mentioned technical scheme, the one end that driving motor drive link assembly kept away from driving motor is reciprocating motion, and the one-level swing rail has limiting displacement for the one end that drive motor was kept away from to link assembly drives one-level swing arm along one-level swing rail round trip movement. One-level swing arm and grating fixed connection, when one-level swing arm removed, the drive grating swung.

The present invention may be further configured in a preferred embodiment as: the integral shape of the screen bars and the shape of the primary swing rail are both arc-shaped, and the primary swing rail and the circle formed by the screen bars are concentric circles.

Through adopting above-mentioned technical scheme, when one-level swing rail and grating enclose into complete circle respectively not the concentric circles, the grating can realize wobbling effect, but can influence the work of rotor and tup. The circles formed by the first-level swing rails and the screen bars are concentric circles, so that the screen bars can swing on the track of the circles surrounded by the screen bars, and the influence of the screen bars on other working parts is reduced.

The present invention may be further configured in a preferred embodiment as: the two swing structures are respectively connected with two sides of one end, close to the crushing plate, of the screen bar.

Through adopting above-mentioned technical scheme, two swing structure's setting plays the effect of balanced grating, reduces the condition that the swing skew appears at grating both ends.

The present invention may be further configured in a preferred embodiment as: the one end that the grizzly was kept away from swing structure is equipped with the second grade pendulum rail, the second grade pendulum rail with the first grade pendulum rail use the central line of grizzly is symmetry setting, second grade pendulum rail sliding connection has the second grade swing arm, the second grade swing arm with the grizzly is connected.

Through adopting above-mentioned technical scheme, the one end that swing structure was kept away from for the grating to the second grade swing arm plays the supporting role, and the second grade swing rail simultaneously for the both ends of grating can the balanced swing.

The present invention may be further configured in a preferred embodiment as: one side of each of the two primary swing rails, which is close to the right side body, is connected with a primary baffle, and one end of each primary baffle, which is close to the lower shell, extends towards the direction of the screen bars and is abutted against the screen bars; two one side that the second grade swing rail is close to the right side body is connected with the second grade baffle, the second grade baffle is close to the one end orientation of casing down the grating direction extends, and in the grating butt.

Through adopting above-mentioned technical scheme, one-level baffle and second grade baffle reduce the material and do not pass through broken back, directly fall on the casing from the position at grating both ends.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the swing structure, the effect of reducing material blockage on the screen bars can be achieved;

2. through the arrangement of the crushing plate, the primary baffle and the secondary baffle, the effect of reducing direct leakage of materials without crushing can be achieved;

3. through the setting of one-level swing rail and second grade swing rail, can play the effect that the grating can regularly swing.

Drawings

Fig. 1 is a schematic perspective view of a hammer crusher according to an embodiment of the present invention.

Fig. 2 is a sectional view showing an inner structure of the cabinet.

Fig. 3 is a schematic structural view of the embodiment of the present invention, in which the screen bars are connected to the swing structure.

In the figure, 1, rotor; 11. a hammer head; 12. a breaker plate; 13. screen bars; 14. a feed inlet; 2. a swing structure; 21. a drive motor; 22. a connecting rod assembly; 23. a primary swing arm; 24. a primary swing rail; 25. secondary swing rail; 26. a secondary swing arm; 27. a first stage baffle; 28. a secondary baffle; 3. a housing; 31. a front side wall; 32. a rear sidewall; 33. a lower housing; 34. a side housing; 35. an upper side body; 36. a left lateral body; 37. the right body.

Detailed Description

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

Example (b):

referring to fig. 1 and 2, the utility model discloses a hammer crusher with movable grating, including casing 3, casing 3 includes preceding lateral wall 31, back lateral wall 32, lower casing 33 and side casing 34, and side casing 34 includes upper lateral body 35, left side body 36 and right side body 37, and side casing 34 connects into whole through bolt with preceding lateral wall 31, back lateral wall 32, lower casing 33, has seted up feed inlet 14 on the upper lateral body 35. Install rotor 1 in the casing 3, rotor 1 both ends are passed through the bearing and are installed in the front on lateral wall 31 and back lateral wall 32, and rotor 1 is connected with external drive assembly, and rotor 1 passes through the drive assembly drive and rotates, and rotor 1's periphery evenly is connected with a plurality of tup 11, and when rotor 1 rotated, drive tup 11 and rotate, carry out the breakage to the material that gets into in the casing 3 from feed inlet 14. In this embodiment, the driving component is a motor, and the hammer 11 is made of novel high-quality multi-element high-chromium manganese steel through composite casting, and has high strength. The machine shell 3 is also internally provided with a screen bar 13, two ends of the screen bar 13 are respectively close to the left side body 36 and the right side body 37, and two sides of the screen bar 13 are respectively abutted against the front side wall 31 and the rear side wall 32. The grating 13 plays the screening effect, and the material passes through 11 broken backs of tup, and when the material size was less than the size of sieve mesh on the grating 13, can pass through grating 13, and the material that does not reach the size requirement passes through tup 11 and continues the breakage. The minimum distance between each hammer head 11 and the screen bars 13 is smaller than the size of the screen bars 13, so that the rotary hammer heads 11 can bring up materials which have larger sizes and cannot pass through the screen bars 13 to continue crushing.

Referring to fig. 2 and 3, after the screen bars 13 are screened for a long time, the screen bars are prone to be blocked, and especially, materials with sizes slightly larger than the screen holes of the screen bars 13 are prone to be blocked at the screen hole positions of the screen bars 13 and are not easy to be taken away by the hammerheads 11. When the condition of blocking the material is more and more, the effect that sieves of grating 13 reduces, influences the whole behavior of breaker. Install swing structure 2 on casing 3, swing structure 2 includes driving motor 21 and link assembly 22, and link assembly 22 includes primary rod and second grade pole, and primary rod and driving motor 21's drive shaft connection, and the circular motion is done to the primary rod of driving motor 21 drive, and the one end that driving motor 21 was kept away from to the primary rod is connected with the second grade pole, and the one end that the primary rod was kept away from to the second grade pole is connected with one-level swing arm 23. Swing structure 2 still includes one-level swing rail 24, and one-level swing rail 24 includes two one-level slide rails, and one-level swing arm 23 is located between two one-level slide rails to with two one-level slide rail sliding connection, make one-level swing arm 23 under the limiting displacement of one-level swing rail 24, along one-level swing rail 24's orbit repetitive motion. One-level swing arm 23 is connected with grizzly strip 13, and 23 reciprocating motion of one-level swing arm drive the rule of grizzly strip 13 and do reciprocating motion, play the reduction material in-process that sieves, the condition of card in the sieve mesh of grizzly strip 13. In this embodiment, swing structure 2 installs in the position of the right side body 37, and swing structure 2 quantity is two simultaneously, and two one-level swing arms 23 are connected with the both sides that the grating 13 is close to right side body 37 one end respectively, and two one-level swing rails 24 are fixed respectively on preceding lateral wall 31 and back lateral wall 32 for the grating 13 can be followed one-level swing rail 24's orbit and removed, when reducing the grating 13 and removing, the condition of skew appears. The shapes of the first-level swing rail 24 and the screen bars 13 are both arc-shaped, and the collinear circle of the first-level swing rail 24 and the collinear circle of the screen bars 13 are concentric circles, so that the screen bars 13 move along the track of the collinear circle under the action of the swing structure 2, and influence on the work of the hammer head 11 is reduced when the screen bars 13 swing.

Referring to fig. 2 and 3, two second grade swing rails 25 are installed to the 2 one end of swing structure is kept away from to grating 13, two second grade swing rails 25 respectively with preceding lateral wall 31 and back lateral wall 32 fixed connection, every second grade swing rail 25 includes two second grade slide rails, sliding connection has second grade swing arm 26 between two second grade slide rails, second grade swing arm 26 is connected with grating 13, second grade swing arm 26 plays the effect of supporting grating 13, can assist swing structure 2 drive grating 13 swing simultaneously. The collinear circle formed by the secondary swing rail 25 and the collinear circle formed by the primary swing rail 24 are the same circle, so that the influence of the secondary swing rail 25 on the action track of the screen bars 13 is reduced.

Referring to fig. 2 and 3, the casing 3 is provided with a breaker plate 12 and a counterbreaker plate, the breaker plate 12 and the counterbreaker plate are respectively installed on a right side body 37 and a left side body 36 in an inclined manner, one end of the breaker plate 12 is close to the feed port 14 of the casing 3, and the other end extends toward the lower casing 33 and is close to one end of the screen band 13; the impact plate has one end near the feed opening 14 of the casing 3 and the other end extending towards the lower casing 33 and near the other end of the screen band 13. The breaker plate 12 and the impact plate concentrate the material entering the housing 3 toward the center of the rotor 1, so that the material can pass through the impact of the hammer 11. One sides of the two primary slide rails of the two primary swing rails 24, which are close to the right side body 37, are connected to form a primary baffle 27, and one end of the primary baffle 27, which is close to the lower shell 33, extends towards the screen bars 13. When one end of the screen band 13 close to the right body 37 swings to the bottommost point, the extended end of the primary baffle 27 abuts against the end of the screen band 13. Similarly, the two secondary slide rails of the two secondary swing rails 25 are connected to form a secondary baffle 28 at a side close to the right side body 37, and one end of the secondary baffle 28 close to the lower shell 33 extends towards the screen band 13. When the end of the screen band 13 near the left body 36 swings to the bottom most point, the extended end of the secondary baffle 28 abuts the end of the screen band 13. The setting of one-level baffle 27 and second grade baffle 28 reduces the material and does not have breakage and sieve, directly falls to the downside body on for the material that gets into casing 3 all can be through breakage and sieve, accords with the use specification.

The implementation principle of the above embodiment is as follows: the breaker during operation starts driving assembly's the driving motor 21 of swing structure 2 simultaneously, and the ribbon 13 can regularly swing through swing structure 2's effect, reduces the material and sieves the in-process, and the material card is at the condition in the sieve mesh of ribbon 13, and a small amount of cards are at the material in the sieve mesh of ribbon 13, can be under long-time wobbling effect, can get back to casing 3 once more in, beat the breakage.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. A hammer crusher with movable grate bars, comprising a casing (3) and a rotor (1), a hammer head (11), a crushing plate (12) and grate bars (13) mounted on the casing (3), characterized in that: the connection of grating (13) is connected with swing structure (2), swing structure (2).

2. A hammer crusher having a movable grate bar in accordance with claim 1, wherein: the crushing mechanism is characterized in that the shell (3) comprises a front side wall (31), a rear side wall (32), a lower shell (33) and a side shell (34), the side shell (34) is connected with the front side wall (31), the rear side wall (32) and the lower shell (33), the crushing plate (12) is obliquely installed on the side shell (34), the side shell (34) comprises an upper side shell (35), a left side shell (36) and a right side shell (37), a feeding hole (14) is formed in the upper side shell (35), the crushing plate (12) is installed on the right side shell (37), one end of the crushing plate (12) is arranged close to the feeding hole (14) of the shell (3), the other end of the crushing plate (12) extends towards the direction of the lower shell (33), and the swinging structure (2) is located between the crushing plate (12) and the right side shell (37).

3. A hammer crusher having a movable grate bar in accordance with claim 2, wherein: swing structure (2) include driving motor (21), link assembly (22), one-level swing arm (23) and one-level swing rail (24), driving motor (21) are installed on preceding lateral wall (31), one-level swing arm (23) with one-level swing rail (24) sliding connection, driving motor (21) drive one-level swing arm (23) are followed the orbit repetitive motion of one-level swing rail (24), one-level swing arm (23) with grating (13) fixed connection.

4. A hammer crusher having a movable grate bar in accordance with claim 3, wherein: the integral shape of the screen bars (13) and the shape of the primary swing rail (24) are both arc-shaped, and the primary swing rail (24) and the circle formed by the screen bars (13) are concentric circles.

5. A hammer crusher having a movable grate bar in accordance with claim 4, wherein: the two swing structures (2) are arranged and are respectively connected with two sides of one end, close to the crushing plate (12), of the screen bar (13).

6. A hammer mill with movable grate bars according to claim 5, wherein: the grating (13) is kept away from the one end of swing structure (2) is equipped with second grade swing rail (25), second grade swing rail (25) with one-level swing rail (24) with the central line of grating (13) sets up for symmetry axis symmetry, second grade swing rail (25) sliding connection has second grade swing arm (26), second grade swing arm (26) with grating (13) are connected.

7. A hammer crusher having a movable grate bar in accordance with claim 6, wherein: one side, close to the right side body (37), of each of the two primary swing rails (24) is connected with a primary baffle (27), and one end, close to the lower shell (33), of each primary baffle (27) extends towards the direction of the screen bars (13) and is abutted against the screen bars (13); two one side that second grade swing rail (25) are close to right side body (37) is connected with second grade baffle (28), second grade baffle (28) are close to the one end of lower casing (33) extend towards grating (13) direction, and in grating (13) butt.

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