CN202478992U

CN202478992U - Hammer crusher

Info

Publication number: CN202478992U
Application number: CN201220014625XU
Authority: CN
Inventors: 陈戍寅
Original assignee: NINGBO TIANDI HUILONG RENEWABLE RESOURCES TECHNOLOGY CO LTD
Current assignee: Ningbo Hui Long regenerated resource Polytron Technologies Inc
Priority date: 2012-01-13
Filing date: 2012-01-13
Publication date: 2012-10-10
Anticipated expiration: 2022-01-13

Abstract

The utility model discloses a hammer crusher and relates to a crushing unit for materials such as waste metal, shelled electrical appliances of refrigerators and the like and circuit boards. The hammer crusher mainly comprises a frame, a barrel, a motor, a spindle, hammerheads, a feed hopper, a discharge screen, a discharge hopper, a discharge outlet, a lining board and the like. According to the technical scheme, the hammer crusher is characterized in that a plurality of evenly and peripherally distributed primary cutter holders are arranged on the spindle, a secondary cutter holder capable of axially reciprocating is arranged on each primary cutter holder, and the hammerheads of the crusher are mounted on the secondary cutter holders respectively. When the hammer crusher cannot crush lumpy material immediately, the secondary cutter holders can axially move and bounce relative to the primary cutter holders to avoid breakage of blades on the blade holders due to rigid impact, equipment can be protected, and service life of the equipment is prolonged. The modified hammer crusher also has the advantages of simple structure, operational stability, low failure rate, convenience for replacement of fittings, long service life and the like.

Description

Hammer mill

Technical field

The utility model relates to the crusher structure in a kind of disintegrating apparatus, refers in particular to hammer mill.

Background technology

Hammer mill; It mainly is a kind of broken disintegrating apparatus of materials such as shelly electrical equipment such as old metal, refrigerator and wiring board that is used for; Its structure and disclosed Chinese patent number are that 201020250004.2 " a kind of hammer mill that is used for the large electric appliances waste recovery " or disclosed Chinese patent number are that 201120063148.1 " hammer mill " is similar; Usually all be to constitute, pass through motor-driven main shaft high speed rotating during work, and then the tup that drive is connected with main shaft also produce synchronous rotation by frame, staving, motor, main shaft, tup, feed hopper, blanking net, hopper, discharging opening, interior lining panel etc.; The tup of this rotation this moment will constitute broken component jointly with set interior lining panel and the blanking net of staving inwall; Thereby realize the crushing action of material, after the material after this fragmentation reaches corresponding size, will take away through the choosing of blanking mesh screen and from hopper; The tup of disintegrating machine all directly is fixed on the main shaft through a knife rest at present; When running into bulk materials can't be at once broken the time, receive rigid shock easily and cause device damage, so the very big service life of equipment that influences.Above-mentioned disintegrating machine also has defectives such as complex structure, operation are stable inadequately, accessory replacing trouble simultaneously.

Summary of the invention

The utility model technical problem to be solved is to overcome the defective of prior art and a kind of simple in structure, stable, rate of breakdown is low, accessory is changed hammer mill convenient, long service life is provided.

The technical problem of the utility model realizes through following technical scheme:

A kind of hammer mill comprises frame, on this frame staving is installed; Be provided with motor in staving one side, on the motor shaft of this motor driving wheel be installed, be provided with main shaft in the staving; This main shaft is provided with the tup of a plurality of circumference uniform distributions; The main shaft two ends are bearing in respectively on the bearing in the staving, and this main shaft upper end is stretched out staving driven pulley is installed, and are provided with belt work band between described driving wheel and the driven pulley and are in transmission connection; Described staving top is provided with feed hopper, and the bottom is provided with blanking net and hopper successively, and this hopper bottom is equipped with discharging opening; Described staving inwall is provided with the interior lining panel of a circle and said tup formation crushing action; Also be provided with the one-level knife rest of a plurality of circumference uniform distributions on the described main shaft; Be equipped with the secondary knife rest that axially moves back and forth on each one-level knife rest, described a plurality of tups correspondence respectively are installed on the said secondary knife rest.

The structure that axially moves back and forth of described one-level knife rest and secondary knife rest is on one-level knife rest and secondary knife rest, to extend two links respectively; Be equipped with connecting hole on this link; In connecting hole, be connected with fastening bolt, the connecting hole internal diameter of described one-level knife rest is greater than the fastening bolt external diameter.

Be provided with the striker plate on the charging aperture that is installed in feed hopper in the described staving.

The mounting structure of described motor and staving is between motor and staving, to be provided with motor adjustable plate and the motor seat board of doing flexible connection through adjusting screw(rod).

Described interior lining panel surface is provided with double flute, and a plurality of interior lining panels are the sawtooth round at the staving inner wall surrounding.

Described staving is provided with the lifting suspension ring, also is provided with staving and observes door.

Described hopper is provided with hopper and observes door.

Described belt is provided with belt hood outward.

Described blanking net is by four circular blanking web frames that fan shape blanking net is assembled.

Described frame is the rectangular frame structure that is connected and forms with base by platform.

Compared with prior art; The utility model mainly is the one-level knife rest that on the main shaft of hammer mill, is provided with a plurality of circumference uniform distributions; Be equipped with the secondary knife rest that axially moves back and forth on each one-level knife rest; And the tup of disintegrating machine respectively correspondence be installed on this secondary knife rest, this structure can run into bulk materials can't be at once broken the time, can be through the resilience that moves axially of the relative one-level knife rest of secondary knife rest; The situation that causes the blade breakages on the knife rest with regard to avoiding rigid shock occurring like this; Thereby help protection equipment, improve service life of equipment, simple in structure, stable, advantages such as rate of breakdown is low, accessory replacing convenience, long service life that the hammer mill after the improvement also has.

Description of drawings

Fig. 1 is the broken section structural representation of the utility model.

Fig. 2 is the contour structures sketch map of Fig. 1.

Fig. 3 is the vertical view of Fig. 2.

Fig. 4 is A-A cutaway view of Fig. 2.

Fig. 5 is the broken section structure enlarged drawing that main shaft, one-level knife rest, secondary knife rest are connected with tup.

Fig. 6 is the structural representation of interior lining panel.

Fig. 7 is the left view of Fig. 6.

Fig. 8 is the structural representation of blanking net.

The specific embodiment

To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.

Like Fig. 1 ~ shown in Figure 8,1. frame, 101. bases, 102. platforms, 2. motor, 3. driving wheel, 4. the motor adjustable plate, 5. belt, 6. motor seat board, 7. driven pulley, 8. belt hood, 9. feed hopper, 10. striker plate, 11. charging apertures, 12. main shafts, 13. one-level knife rests, 14. secondary knife rests, 15. stavings, 16. tups, 17. interior lining panels, 18. blanking nets, 19. blanking gauze pad pieces, 20. hoppers, 21. discharging openings, 22. stavings are observed door, 23. hoppers are observed door, 24. adjusting screw(rod)s, 25. tie down screws, 26. fastening bolts, 27. connecting holes, 28. double flutes, 29. lifting suspension ring.

Hammer mill like Fig. 1 ~ shown in Figure 4, belongs to a kind of broken disintegrating apparatus of material such as shelly electrical equipment such as old metal, refrigerator and wiring board that are used for, and it comprises frame 1 and rack-mounted staving 15.

Described frame 1 is a rectangular frame structure that is connected and is formed by platform 102 and base 101; Platform 102 is installed in base 101 tops; Base comprises the feet that is arranged on four angles, platform bottom surface, also comprise be connected between the adjacent supports pin, many bracing pieces between feet and the platform.

Described staving 15 is the cylinder barrel-like structure; Mainly be fixed on the platform 102 of frame 1; In staving 15 welded top feed hopper 9 is arranged, this feed hopper bottom for staving 15 in the charging aperture 11 that communicates, and striker plate 10 is housed at the charging aperture place that is positioned at staving; To prevent that in the process, material oppositely sputters.Staving 15 tops also are provided with lifting suspension ring 29 and are used for the lifting installation.Staving 15 bottoms are provided with the blanking net 18 that is installed on the supporting seat; This supporting seat is installed on the blanking gauze pad piece 19, and is connected on the platform 102 of frame 1 through blanking gauze pad piece, and this blanking net 18 is as shown in Figure 8 to be by the common assembled circular blanking web frame of the blanking net of four fan shapes; Mounting means is more simple; It has plurality of specifications, and can change at any time according to the finished size size needs after the fragmentation, is positioned at the blanking sieve bottom taper hopper 20 is installed; This hopper bottom, just the taper top offers discharging opening 21, and material is taken away through pipeline by the blower fan (not shown) from this discharging opening output back.Also be provided with hopper on the hopper 20 and observe door 23, make things convenient for daily maintenance.

Described staving 15 bottom interior wall are provided with a circle interior lining panel 17, and this interior lining panel such as Fig. 6, shown in Figure 7 adopt the built-up welding composite abrasion resistance material to process; Mill out double flute 28 in the centre; Stretch into from staving 15 outer walls with bolt then and make screw threads for fastening, a plurality of interior lining panels are the sawtooth round at bucket wall inner wall surrounding, can increase the probability that material embeds interior lining panel 17 like this; Improve frictional force, and help the processing fragmentation of material.Staving 15 is provided with the staving that is opened and closed by tie down screw 25 and observes door 22, makes things convenient for daily maintenance.

Be provided with the main shaft 12 of vertical installation in the described staving 15, the upper/lower terminal of this main shaft is respectively equipped with the bearing that supporting is rotated, and this bearing is installed in the bearing block of fixing with staving 15; Described main shaft 12 upper ends are stretched out staving 15 driven pulley 7 are installed; Main shaft 12 lower ends are duplex bearing supported structure; This duplex bearing is arranged in the bearing block through the bearing cover sealing; It is lubricated on bearing block, to be provided with the oil nozzle fuel feeding, also is provided with the protection cover, prevents material and gets into bearing and cause faults such as bearing is stuck.

Described main shaft 12 is provided with the one-level knife rest 13 of 8 circumference uniform distributions; This one-level knife rest one end is welded on the main shaft 12; The other end is provided with the secondary knife rest 14 that axially moves back and forth along one-level knife rest work; Both syndetons are as shown in Figure 5, are to extend two links respectively at one-level knife rest and secondary knife rest end, are equipped with connecting hole 27 on this link; And this connecting hole is connected through fastening bolt 26; Simultaneously connecting hole 27 internal diameters on the one-level knife rest 13 are greater than fastening bolt 26 external diameters, make between the connecting hole 27 of fastening bolt and one-level knife rest 13 and form movement clearance, and make secondary knife rest 14 relative one-level knife rests 13 axially move back and forth spacing through this movement clearance.The said structure characteristics are to guarantee that blade on the I and II knife rest is when rotating at a high speed; In case when running into the material fragmentation at once of bulk; Secondary knife rest 14 one-level knife rest 13 relatively axially moves inward resilience; Cause the situation of blade breakages like this with regard to having avoided rigid shock, thereby help protection equipment, prolong service life of equipment; Secondary knife rest 14 after the simultaneously inside resilience can outwards move axially again under the centrifugal action of main shaft 12 rotations and reset, thereby carries out the crushing operation of a new round.It is convenient that this structure operation is comparatively stable in addition, fault rate is low, accessory is changed.Also be provided with the fixing tup 16 of screw in secondary knife rest 14 ends, this tup adopts the built-up welding composite abrasion resistance material to process, and hardness can reach 58 ~ 60HRC, has the high abrasion characteristic; Interior lining panel 17, the blanking net 18 common broken components that form materials of described one-level knife rest 13, secondary knife rest 14 and tup 16 and staving 15 inwalls.

Said staving 15 1 sides also are provided with the power input source that motor 2 rotates as main shaft 12; This motor adopts the 110kw fire-proof motor; Between motor 2 and staving 15, be provided with the motor adjustable plate 4 and motor seat board 6 of doing flexible connection through adjusting screw(rod) 24, be used for regulating at any time the installation site of motor 2, driving wheel 3 is installed on the motor shaft of motor; Be provided with C word belt 5 between the driven pulley 7 of this driving wheel and main shaft 12 and be connected, outside belt, be provided with belt hood 8 and protect to form the band transmission.

The course of work of the utility model is following: material is transported to feed hopper 9 by conveyer belt; Get into subsequently in the staving 15, motor 2 starts through 12 rotations at a high speed of band transmission driving main shaft, and the one-level knife rest 13 on the main shaft, secondary knife rest 14 and tup 16 also rotate and drive the also rotation at a high speed of material in the staving 15 synchronously; Under centrifugal action; Partial material can be got rid of to the interior lining panel 17 at staving edge, and this moment, tup 16 was equivalent to moving knife, and interior lining panel 17 is equivalent to quiet cutter; Crushing action is carried out in both actings in conjunction on material; After material is crushed to less than blanking net 18 sizes, will falling on the hopper 20 under the gravity effect, and take away by blower and pipeline from the discharging opening 21 output backs of hopper.

Claims

1. hammer mill; Comprise frame (1), staving (15) is installed on this frame, be provided with motor (2) in staving one side; Driving wheel (3) is installed on the motor shaft of this motor; Be provided with main shaft (12) in the staving (15), this main shaft is provided with the tup (16) of a plurality of circumference uniform distributions, and main shaft (12) two ends are bearing in respectively on the bearing in the staving (15); This main shaft upper end is stretched out staving (15) driven pulley (7) is installed, and is provided with belt (5) work band between described driving wheel (3) and the driven pulley (7) and is in transmission connection; Described staving (15) top is provided with feed hopper (9), and the bottom is provided with blanking net (18) and hopper (20) successively, and this hopper bottom is equipped with discharging opening (21); Described staving (15) inwall is provided with the interior lining panel (17) of a circle and said tup (16) formation crushing action; It is characterized in that also being provided with on the described main shaft (12) the one-level knife rest (13) of a plurality of circumference uniform distributions; Be equipped with the secondary knife rest (14) that axially moves back and forth on each one-level knife rest, described a plurality of tups (16) correspondence respectively are installed on the said secondary knife rest (14).

2. hammer mill according to claim 1; It is characterized in that the described one-level knife rest (13) and the structure that axially moves back and forth of secondary knife rest (14) are on one-level knife rest (13) and secondary knife rest (14), to extend two links respectively; Be equipped with connecting hole (27) on this link; In connecting hole, be connected with fastening bolt (26), connecting hole (27) internal diameter of described one-level knife rest (13) is greater than fastening bolt (26) external diameter.

3. hammer mill according to claim 1 is characterized in that being provided with in the described staving (15) striker plate (10) on the charging aperture (11) that is installed in feed hopper (9).

4. hammer mill according to claim 1, the mounting structure that it is characterized in that described motor (2) and staving (15) are between motor (2) and staving (15), to be provided with motor adjustable plate (4) and the motor seat board (6) of doing flexible connection through adjusting screw(rod) (24).

5. hammer mill according to claim 1 is characterized in that described interior lining panel (17) surface is provided with double flute (28), and a plurality of interior lining panels (17) are the sawtooth round at staving (15) inner wall surrounding.

6. hammer mill according to claim 1 is characterized in that described staving (15) is provided with lifting suspension ring (29), also is provided with staving and observes door (22).

7. hammer mill according to claim 1 is characterized in that described hopper (20) is provided with hopper and observes door (23).

8. hammer mill according to claim 1 is characterized in that the outer belt hood (8) that is provided with of described belt (5).

9. hammer mill according to claim 1 is characterized in that described blanking net (18) is by four circular blanking web frames that fan shape blanking net is assembled.

10. according to each described hammer mill of claim 1 ~ 9, it is characterized in that described frame (1) is the rectangular frame structure that is connected and is formed by platform (102) and base (101).