Hammer crusher with screen cleaning and anti-blocking functions

Abstract

The utility model discloses a hammer crusher with screen cleaning and anti-blocking functions. The hammer crusher comprises a cabin, a crushing rotor and a driving motor, a grate bar assembly is arranged at the bottom of the crushing rotor and comprises a plurality of grate bars, and a discharging gap is formed between every two adjacent grate bars; a screen cleaning mechanism is arranged on the machine room; the screen cleaning mechanism comprises a reciprocating driving part, a sliding rod and a plurality of arc-shaped comb racks, the arc-shaped comb racks are arranged side by side, the sliding rod penetrates through the arc-shaped comb racks, scraping teeth are formed on the inner sides of the arc-shaped comb racks and inserted into the corresponding discharging gaps, the sliding rod penetrates through the machine bin and is slidably connected with the machine bin, one end of the sliding rod is connected with the output end of the reciprocating driving part, and the other end of the sliding rod is connected with the output end of the reciprocating driving part. The reciprocating driving piece can drive the arc-shaped comb rack to reciprocate in the length direction of the discharging gap through the sliding rod. According to the utility model, materials blocked in the discharging gaps among the grate bars can be effectively scraped and cleaned, the operation is simple and convenient, the machine does not need to be stopped for cleaning, the discharging speed is accelerated, and the discharging smoothness is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hammer crusher technical field, especially hammer crusher with clear screen prevent function of blocking. BACKGROUND

[0002] Hammer crusher is widely used in coal, electric power, cement, chemical industry, metallurgy and other industrial fields, is used for crushing medium hardness material, such as coal, limestone, slag and other material's medium crushing and fine crushing operation.The working process is as follows: material enters the crusher, is impacted by high-speed rotation hammerhead and is crushed, and the crushed material obtains kinetic energy from the hammerhead and is high-speed to the frame body baffle, screen bar.Material collides with each other in the crushing chamber, and is crushed several times, and in this process, the collision between the materials and the collision with other parts in the crushing chamber further refines the particle size of the material;The material larger than the gap between the screen bars is crushed again by the impact, grinding and extrusion of the hammerhead on the screen bar until it is crushed to the required discharge parameters and discharged from the gap.

[0003] For the above prior art, the inventor considers that the existing hammer crusher is easy to block the discharge gap between the screen bars when crushing materials with high humidity, causing material accumulation in the crushing chamber. SUMMARY

[0004] To solve the above technical problems, the utility model provides a hammer crusher with clear screen prevent function of blocking, which can effectively scrape and clean the material blocked in the discharge gap between the screen bars, is simple and convenient, does not need to stop cleaning, speeds up the discharge speed and ensures smooth discharge.

[0005] To achieve the above purpose, the utility model adopts the technical scheme of a hammer crusher with clear screen prevent function of blocking, which comprises a warehouse, a crushing rotor rotatingly connected in the warehouse and a driving motor for driving the crushing rotor to rotate.

[0006] A screen cleaning mechanism is arranged on the warehouse, which comprises a reciprocating driving member, a slide rod and a plurality of arc-shaped comb teeth, the plurality of arc-shaped comb teeth are arranged side by side, the slide rod is arranged in each arc-shaped comb tooth, the plurality of arc-shaped comb teeth are relatively fixed through the slide rod, the inner side of the arc-shaped comb tooth is formed with a scraping tooth matched with the discharge gap, the scraping tooth is inserted into the corresponding discharge gap, the slide rod is arranged in the warehouse and is slidingly connected, one end of the slide rod is connected with the output end of the reciprocating driving member, and the reciprocating driving member can drive the arc-shaped comb tooth to reciprocate along the length direction of the discharge gap through the slide rod.

[0007] Further, the reciprocating driving member comprises a rotary motor, a connecting rod and a synchronous rod, the output shaft of the rotary motor is fixed with a crank sleeve, one end of the crank sleeve away from the output shaft of the rotary motor is hinged with the connecting rod, and the other end of the connecting rod is hinged with the middle part of the synchronous rod; the slide rods are provided in two, and the two slide rods are located at the two ends of the arc-shaped comb toothed bar, and the two ends of the synchronous rod are fixedly connected with the two slide rods respectively.

[0008] Further, the machine bin comprises a connected upper bin body and lower bin body, a wall cleaning mechanism is arranged at the upper bin body, the wall cleaning mechanism comprises a telescopic oil cylinder, a cleaning shaft and a plurality of cleaning plates, the plurality of cleaning plates are arranged side by side and are attached to the inner wall of the upper bin body, the cleaning shaft is slidably arranged in the upper bin body, and each cleaning plate is fixedly connected with the cleaning shaft, and the telescopic oil cylinder is arranged on the outer wall of the upper bin body, a connecting arm is fixedly arranged on the piston rod of the telescopic oil cylinder, and the connecting arm is fixedly connected with one end of the cleaning shaft.

[0009] Further, a side door opening is arranged on one side of the upper bin body, and a side door body is hinged at the side door opening, the side door body comprises a shell plate, a vertical plate and an inclined plate, the vertical plate is fixed on one side of the shell plate close to the upper bin body, the inclined plate is connected on one side of the vertical plate close to the shell plate, and the inclined plate is inclined downward towards the direction close to the crushing rotor.

[0010] Further, the screen bar assembly further comprises two arc-shaped screen bar seats, the two arc-shaped screen bar seats are fixed on the opposite two inner walls of the machine bin, a plurality of tooth grooves are formed on the inner arc side of the arc-shaped screen bar seat, and the two ends of the screen bar are located in the corresponding tooth grooves.

[0011] The utility model discloses a hammer crusher with screen cleaning and anti-blocking functions, which is designed with a screen cleaning mechanism.

[0012] The utility model discloses a hammer crusher with screen cleaning and anti-blocking functions, which is designed with a screen cleaning mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model.

[0014] Figure 2 It is the structure schematic diagram for embodying the reciprocating driving member in the utility model.

[0015] Figure 3 It is the structure schematic diagram for embodying the screen cleaning mechanism in the utility model.

[0016] Figure 4 is the structural schematic view of the sieve bar assembly in the utility model.

[0017] Figure 5 is the structural schematic view of the arc-shaped comb tooth bar in the utility model.

[0018] Figure 6 is the structural schematic view for embodying the wall cleaning mechanism in the utility model.

[0019] Figure 7 is the sectional view for embodying the side door body in the utility model.

[0020] In the drawing: 1, machine bin; 11, upper bin body; 111, side door opening; 112, side door body; 113, shell plate; 114, vertical plate; 115, inclined plate; 12, lower bin body; 2, crushing rotor; 3, driving motor; 4, sieve bar assembly; 41, arc-shaped sieve bar seat; 411, tooth groove; 42, sieve bar; 43, discharge gap; 5, screen cleaning mechanism; 51, sliding rod; 52, arc-shaped comb tooth bar; 521, scraping tooth; 53, reciprocating driving piece; 531, rotary motor; 532, crank sleeve; 533, connecting rod; 534, synchronous rod; 6, wall cleaning mechanism; 61, telescopic oil cylinder; 62, connecting arm; 63, cleaning shaft; 64, cleaning plate. DETAILED DESCRIPTION

[0021] The utility model will be explained further in detail now in combination with the drawings. These drawings are all simplified schematic views, and only the basic structure of the utility model is schematically shown, so it only shows the structure related to the utility model.

[0022] The utility model discloses a hammer crusher with screen cleaning and anti-blocking functions.

[0023] Referring to Figures 1 to 4 A hammer crusher with screen cleaning and anti-blocking functions, including machine bin 1, the crushing rotor 2 that is rotatably connected in machine bin 1 and the driving motor 3 for driving the rotation of crushing rotor 2;The bottom of crushing rotor 2 is provided with sieve bar assembly 4, and sieve bar assembly 4 includes several sieve bars 42 arranged along the bottom of crushing rotor 2 and two arc-shaped sieve bar seats 41 for installing sieve bar 42, two arc-shaped sieve bar seats 41 are fixed on the two opposite inner walls of machine bin 1, and the inner arc side of arc-shaped sieve bar seat 41 is provided with several tooth grooves 411, several sieve bars 42 are located between two arc-shaped sieve bar seats 41, and the two ends of sieve bar 42 are inserted into the corresponding tooth groove 411, which plays the installation positioning effect, improves the installation convenience and firmness;Discharge gap 43 is formed between adjacent two sieve bars 42, and the material crushed by crushing rotor 2 is discharged through discharge gap 43.

[0024] Referring to Figures 2 to 5The machine bin 1 is provided with a cleaning screen mechanism 5 for cleaning the residual material in the discharge gap 43; the cleaning screen mechanism 5 comprises a reciprocating driving member 53, a sliding rod 51 and a plurality of arc-shaped comb tooth strips 52, the plurality of arc-shaped comb tooth strips 52 are arranged side by side, the sliding rod 51 is arranged through each arc-shaped comb tooth strip 52, the plurality of arc-shaped comb tooth strips 52 are relatively fixed through the sliding rod 51, the inner side of the arc-shaped comb tooth strip 52 is formed with a scraping tooth 521 matched with the discharge gap 43, the scraping tooth 521 is inserted into the corresponding discharge gap 43, the sliding rod 51 is arranged through the machine bin 1 and is slidingly connected with the machine bin 1, one end of the sliding rod 51 is connected with the output end of the reciprocating driving member 53, the reciprocating driving member 53 can drive the arc-shaped comb tooth strip 52 to reciprocate along the length direction of the discharge gap 43 through the sliding rod 51, and then the scraping tooth 521 scrapes and cleans the material adhered at the discharge gap 43, so as to effectively prevent the discharge gap 43 from being blocked, speed up the discharging speed and ensure the smoothness of discharging.

[0025] With reference to Figure 2 and Figure 3 In the embodiment, the reciprocating driving member 53 comprises a rotary motor 531, a connecting rod 533 and a synchronous rod 534, a crank sleeve 532 is fixed to the output shaft of the rotary motor 531, one end of the crank sleeve 532 away from the output shaft of the rotary motor 531 is hingedly connected with the connecting rod 533, and the other end of the connecting rod 533 is hingedly connected with the middle part of the synchronous rod 534; the sliding rod 51 is provided with two, the two sliding rods 51 are located at the two ends of the arc-shaped comb tooth strip 52, and the two ends of the synchronous rod 534 are respectively fixedly connected with the two sliding rods 51. The rotary motor 531 drives the crank sleeve 532 to rotate, and then drives the connecting rod 533 to move back and forth, and the connecting rod 533 drives the sliding rods 51 at the two ends of the arc-shaped comb tooth strip to reciprocate through the synchronous rod 534, so as to realize the reciprocating movement of the cleaning screen; and the synchronous rod 534 simultaneously drives the sliding rods 51 at the two ends of the arc-shaped comb tooth strip to move synchronously, so as to ensure the stability of the reciprocating movement.

[0026] With reference to Figure 1 and Figure 6 The machine bin 1 comprises the upper bin body 11 and the lower bin body 12 connected with each other, the upper bin body 11 is provided with a wall cleaning mechanism 6, the wall cleaning mechanism 6 comprises a telescopic oil cylinder 61, a cleaning shaft 63 and a plurality of cleaning plates 64, the plurality of cleaning plates 64 are arranged side by side and are attached to an inner wall of the upper bin body 11, the cleaning shaft 63 is slidingly arranged through the upper bin body 11, and each cleaning plate 64 is relatively fixed with the cleaning shaft 63, the telescopic oil cylinder 61 is installed on the outer wall of the upper bin body 11, a connecting arm 62 is fixedly connected with the piston rod of the telescopic oil cylinder 61, and one end of the cleaning shaft 63 is fixedly connected with the connecting arm 62. The piston rod of the telescopic oil cylinder 61 drives the cleaning shaft 63 to reciprocate through the connecting arm 62, and then drives the cleaning plates 64 to reciprocate and scrape on the inner wall of the upper bin body 11, so as to clean the material adhered on the inner wall.

[0027] With reference to Figure 6 and Figure 7, a side door opening 111 is provided on one side of the upper bin body 11, and a side door body 112 is hinged at the side door opening 111, which is convenient for later maintenance. The side door body 112 includes an outer shell plate 113, a vertical plate 114 and an inclined plate 115. The vertical plate 114 is fixed on the side of the outer shell plate 113 close to the upper bin body 11. The inclined plate 115 is connected to the side of the vertical plate 114 close to the outer shell plate 113, and the inclined plate 115 is inclined downward towards the direction close to the crushing rotor 2. The design of the inclined plate 115 is used to prevent materials from being thrown into the side door body 112, and the materials can slide down again along the direction of the inclined plate 115 into the crushing cavity of the machine bin 1.

[0028] Inspired by the above ideal embodiments based on the present invention, through the above description, relevant staff can make various changes and modifications completely within the scope not deviating from the technical idea of this invention. The technical scope of this invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A hammer crusher with a screen cleaning and anti-clogging function, comprising a chamber (1), a crushing rotor (2) rotatably connected within the chamber (1), and a drive motor (3) for driving the crushing rotor (2) to rotate; characterized in that: The bottom of the crushing rotor (2) is provided with a screen bar assembly (4), which includes a plurality of screen bars (42) arranged along the periphery of the bottom of the crushing rotor (2), and a discharge gap (43) is formed between two adjacent screen bars (42). The machine compartment (1) is equipped with a cleaning mechanism (5); the cleaning mechanism (5) includes a reciprocating drive (53), a slide rod (51), and several arc-shaped comb teeth (52). The arc-shaped comb teeth (52) are arranged in parallel, and the slide rod (51) passes through each arc-shaped comb tooth (52). The arc-shaped comb teeth (52) are relatively fixed to each other by the slide rod (51). The inner side of the arc-shaped comb teeth (52) forms a groove that is consistent with the output groove. The scraper teeth (521) are adapted to the material gap (43), and the scraper teeth (521) are inserted into the corresponding discharge gap (43). The slide rod (51) is installed in the machine compartment (1) and the machine compartment (1) is slidably connected. One end of the slide rod (51) is connected to the output end of the reciprocating drive (53). The reciprocating drive (53) can drive the arc-shaped comb (52) to move back and forth along the length direction of the discharge gap (43) through the slide rod (51).

2. A hammer crusher with a screen cleaning and anti-clogging function according to claim 1, characterized in that: The reciprocating drive component (53) includes a rotary motor (531), a connecting rod (533), and a synchronizing rod (534). The output shaft of the rotary motor (531) is fixed with a crank sleeve (532). One end of the crank sleeve (532) away from the output shaft of the rotary motor (531) is hinged to the connecting rod (533), and the other end of the connecting rod (533) is hinged to the middle of the synchronizing rod (534). There are two slide rods (51), which are located at both ends of the arc-shaped comb rack (52). The two ends of the synchronizing rod (534) are fixedly connected to the two slide rods (51) respectively.

3. A hammer crusher with a screen cleaning and anti-clogging function according to claim 1 or 2, characterized in that: The machine compartment (1) includes an upper compartment (11) and a lower compartment (12) connected together. A wall cleaning mechanism (6) is provided at the upper compartment (11). The wall cleaning mechanism (6) includes a telescopic cylinder (61), a cleaning shaft (63), and several cleaning plates (64). Several cleaning plates (64) are arranged side by side and attached to the inner wall of the upper compartment (11). The cleaning shaft (63) slides through the upper compartment (11), and each cleaning plate (64) is fixed relative to the cleaning shaft (63). The telescopic cylinder (61) is installed on the outer wall of the upper compartment (11). A connecting arm (62) is fixed on the piston rod of the telescopic cylinder (61). The connecting arm (62) is fixedly connected to one end of the cleaning shaft (63).

4. A hammer crusher with a screen cleaning and anti-clogging function according to claim 3, characterized in that: A side door opening (111) is provided on one side of the upper chamber (11), and a side door body (112) is hinged to the side door opening (111). The side door body (112) includes an outer shell plate (113), a vertical plate (114), and an inclined plate (115). The vertical plate (114) is fixed to the side of the outer shell plate (113) near the upper chamber (11), and the inclined plate (115) is connected to the side of the vertical plate (114) near the outer shell plate (113). The inclined plate (115) is inclined downward toward the direction close to the crushing rotor (2).

5. A hammer crusher with a screen cleaning and anti-clogging function according to claim 4, characterized in that: The screen bar assembly (4) also includes two arc-shaped screen bar seats (41), which are fixed to the two inner walls of the machine compartment (1). The arc-shaped screen bar seats (41) have several toothed grooves (411) on their inner arc sides. Several screen bars (42) are located between the two arc-shaped screen bar seats (41), and the two ends of the screen bars (42) are located in the corresponding toothed grooves (411).

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