CN113996391A

CN113996391A - Scraping mechanism for crusher

Info

Publication number: CN113996391A
Application number: CN202111339656.2A
Authority: CN
Inventors: 周彦君
Original assignee: Luoyang Brother Intelligent Equipment Technology Co ltd
Current assignee: Luoyang Brother Intelligent Equipment Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-02-01

Abstract

The invention relates to a scraping mechanism for a crusher. According to the invention, the scraper structure driven by the hydraulic cylinder is additionally arranged on the crusher, the scraper can reciprocate on the guide rail along with the scraper mounting seat, the two scrapers attached to the cambered surface of the impact plate are used for cleaning materials adhered to the impact plate, the two scrapers are adopted to respectively cover two areas of the impact plate through movement, so that the cleaning of the whole impact plate is completed, the distance of the scrapers needing to move in the cleaning process is shortened, the requirement on the telescopic distance of the hydraulic cylinder is reduced, the cost is reduced, the wear-resistant materials are overlaid at the installation position with the fragile structure on the scraper, the scraper can be protected to a certain extent, the excessive wear of the scraper is avoided, and the service life of the scraper is prolonged. The inside sizing and the jam of breaker can be avoided through the scraper mechanism that increases, has reduced the number of times to the breaker shutdown clearance to can improve the output of breaker by a wide margin, reduce power consumption.

Description

Scraping mechanism for crusher

Technical Field

The invention relates to the technical field of crusher equipment, in particular to a scraping mechanism for a crusher.

Background

The crusher is equipment widely applied to mines and metallurgy industries for crushing materials, and has the function of crushing the materials in the production process.

The crusher is divided into a single-roller crusher, a double-roller crusher, a three-roller crusher and the like according to the number of the toothed rollers. The surface of the toothed roller is provided with roller teeth which are arranged, when the toothed roller rotates, under the action of friction and gravity, the toothed roller and a counterattack plate of the inner cavity of the crusher or the toothed roller bites the blocky materials falling from the upper blanking port into the crushing cavity, so that the materials are extruded and beaten to be crushed to a certain specification and size for the next procedure. When the water content of the crushed materials is high and the crushed materials have certain viscosity, the materials can be adhered to the impact plate during the working period of the crusher and cannot fall off and be discharged automatically, the crushing function is influenced, and finally, the upper cavity of the crusher is blocked, so that the crusher cannot continue to work.

Disclosure of Invention

In view of the problems in the prior art, the invention discloses a scraping mechanism for a crusher, which adopts the technical scheme that two groups of guide rails are respectively positioned at the upper edge and the lower edge of a reaction plate, the reaction plate is the side wall of a crushing cavity in the inner part of the crusher and is in a semi-circular arc shape, the guide rails comprise guide rods and fixed seats, the two guide rods are parallel to each other, two ends of the guide rods are respectively and fixedly connected with the fixed seats, the fixed seats are fixedly connected at the edge position of the back surface of the reaction plate through screws, the two groups of guide rails are parallel to each other, scraper mounting seats are respectively and slidably matched and installed on the two groups of guide rails, two hydraulic cylinders are respectively installed at the upper position and the lower position of the reaction plate on the side edges of the guide rails, the fixed ends of the hydraulic cylinders are rotatably matched and installed on the reaction plate through pin shafts, telescopic ends are fixedly connected on the scraper mounting seats, the hydraulic cylinders are parallel to the guide rods, and scraper connecting plates are fixedly connected on the scraper mounting seats through screws, the scraper blade connecting plate is located the reaction plate openly and on it through screw fixedly connected with scraper blade, two corresponding of marginal position about the reaction plate are fixed respectively at scraper blade both ends on the scraper blade connecting plate, mutually parallel mounting has two scraper blades on the scraper blade mount pad, the scraper blade laminating is in the front of reaction plate, and the interval between two scraper blades is half of reaction plate length to make two scraper blades clear up two regions at reaction plate both ends respectively, reduce the stroke that the scraper blade needs to remove.

As a preferable scheme of the invention, the scraper mounting seat comprises two sliding blocks, the sliding blocks are arranged on the guide rod in a sliding fit manner, and a self-lubricating copper sleeve is sleeved at a contact surface, so that the sliding blocks can stably slide on the guide rod, the two sliding blocks are fixedly connected through a connecting frame, so that the two sliding blocks are integrated into a whole and can synchronously move, one end of the connecting frame is fixedly connected with a push-pull plate, the lower end of the push-pull plate is provided with a mounting hole, and the telescopic end of the hydraulic cylinder penetrates through the mounting hole and is fixed through a nut, so that the scraper mounting seat can be pushed to slide on the guide rod by the telescopic action of the hydraulic cylinder.

As a preferable scheme of the invention, the scraper connecting plate is L-shaped and is attached to the edge of the impact plate.

As a preferable scheme of the invention, the scraper is an arc-shaped plate attached to the front surface of the counterattack plate, and has mounting holes respectively formed at both ends thereof, the mounting holes are countersunk bolt holes, chamfers are formed at both ends of the arc surface of the inner ring of the scraper, the scraper is fixed on the scraper connecting plate after passing through the mounting holes by bolts, the bolts are integrally located in the mounting holes, so that the bolts are prevented from being damaged in the crushing process, the chamfers correspond to the scraper connecting plate, wear-resistant materials are welded on the inner arc surfaces of both ends of the scraper and the scraper connecting plate in a build-up welding manner, the thickness of the wear-resistant materials is not less than 5mm, and unstable or falling-off installation of the scraper due to too rapid abrasion of the bolt connecting parts at both ends of the scraper in the crushing process is avoided.

The invention has the beneficial effects that: according to the invention, the scraper structure driven by the hydraulic cylinder is additionally arranged on the crusher, the scraper can reciprocate on the guide rail along with the scraper mounting seat, the two scrapers attached to the cambered surface of the impact plate are used for cleaning materials adhered to the impact plate, the two scrapers are adopted to respectively cover two areas of the impact plate through movement, so that the cleaning of the whole impact plate is completed, the distance of the scrapers needing to move in the cleaning process is shortened, the requirement on the telescopic distance of the hydraulic cylinder is reduced, the cost is reduced, the wear-resistant materials are overlaid at the installation position with the fragile structure on the scraper, the scraper can be protected to a certain extent, the excessive wear of the scraper is avoided, and the service life of the scraper is prolonged. The inside sizing and the jam of breaker can be avoided through the scraper mechanism that increases, has reduced the number of times to the breaker shutdown clearance to can improve the output of breaker by a wide margin, reduce power consumption.

Drawings

FIG. 1 is a first view of the present invention in an assembled configuration;

FIG. 2 is a second view of the present invention in an installed state;

FIG. 3 is a schematic view of the overall structure of the present invention;

FIG. 4 is a partial schematic view of a rail portion of the present invention;

fig. 5 is a schematic view of the scraper structure of the present invention.

In the figure: 1 counterattack board, 2 guide rails, 201 guide rod, 202 fixing base, 3 hydraulic cylinder, 4 scraper mounting bases, 401 slider, 402 connecting frame, 403 push-pull board, 404 mounting hole, 405 self-lubricating copper bush, 5 scraper connecting board, 6 scraper, 601 mounting hole, 602 chamfer and 603 wear-resistant material.

Detailed Description

Example 1

As shown in fig. 1 to 5, the scraping mechanism for the crusher of the present invention adopts the technical scheme that two sets of guide rails 2 are respectively located at the upper edge and the lower edge of an impact plate 1, the impact plate 1 is a side wall of a crushing cavity inside the crusher and is in a semicircular arc shape, the guide rails 2 comprise guide rods 201 and fixed seats 202, the two guide rods 201 are parallel to each other, two ends of the guide rods are respectively and fixedly connected with the fixed seats 202, the fixed seats 202 are fixedly connected to the edge of the back of the impact plate 1 through screws, the two sets of guide rails 2 are parallel to each other, and are respectively provided with a scraper mounting seat 4 in a sliding fit manner, two hydraulic cylinders 3 are respectively arranged at the upper and the lower positions of the impact plate 1 at the side edges of the guide rails 2, the fixed ends of the hydraulic cylinders 3 are rotatably mounted on the impact plate 1 through pin shafts in a fit manner, the hydraulic cylinders 3 are parallel to the guide rods 201, the scraper mounting seats 4 comprise two sliding blocks 401, the sliding blocks 401 are installed on the guide rod 201 in a sliding fit mode, a self-lubricating copper sleeve 405 is sleeved on the contact surface of the sliding blocks 401, so that the sliding blocks 401 can stably slide on the guide rod 201, the two sliding blocks 401 are fixedly connected through a connecting frame 402, the two sliding blocks 401 are integrated and can move synchronously, one end of the connecting frame 402 is fixedly connected with a push-pull plate 403, an installation hole 404 is formed in the lower end of the push-pull plate 403, the telescopic end of the hydraulic cylinder 3 penetrates through the installation hole 404 and is fixed through a nut, and therefore the scraper installation seat 4 can be pushed to slide on the guide rod 201 by means of the telescopic effect of the hydraulic cylinder 3.

The scraping plate mounting seat 4 is fixedly connected with a scraping plate connecting plate 5 through screws, the scraping plate connecting plate 5 is L-shaped and is attached to the edge of the impact plate 1, the mounting position of the scraping plate connecting plate is located on the front surface of the impact plate 1, so that the scraping plate 6 is fixedly connected to the mounting position through screws, two ends of the scraping plate 6 are respectively fixed on two corresponding scraping plate connecting plates 5 at the upper edge position and the lower edge position of the impact plate 1, two scraping plates 6 are arranged on the scraping plate mounting seat 4 in parallel, the scraping plate 6 is an arc-shaped plate attached to the front surface of the impact plate 1, the two ends of the scraping plate 6 are respectively provided with a mounting hole 601, the mounting hole 601 is a countersunk bolt hole, two ends of the arc surface of the inner ring of the scraping plate 6 are provided with chamfers 602, the scraping plate 6 passes through the mounting holes 601 and is fixed on the scraping plate connecting plate 5, the whole bolt is located in the mounting hole 601, and the bolt is prevented from being damaged in the crushing process, chamfer 602 with scraper blade connecting plate 5 is corresponding, 6 both ends of scraper blade with build-up welding has abrasive material 603 on the corresponding intrados of scraper blade connecting plate 5, abrasive material 603 thickness is not less than 5mm, avoids the bolted connection position at 6 both ends of scraper blade in crushing process by too fast wearing and tearing and cause scraper blade 6's installation unstable or drop, and interval between two scraper blades 6 is half of 1 length of counterattack board to make two scraper blades 6 clear up two regions at 1 both ends of counterattack board respectively, reduce the stroke that scraper blade 6 needs to remove.

The working principle of the invention is as follows: whole scraping mechanism installs on the impact plate 1 in the broken chamber of breaker, when need not scrape the material, two pneumatic cylinders 3 are in the contraction state, two scraper blades 6 are located the one end edge and the intermediate position of impact plate 1 respectively, when needs clear up impact plate 1, make two pneumatic cylinders 3 extension, two scraper blade mount pads 4 of synchronous promotion move on guide arm 201, thereby make scraper blade 6 remove along the cambered surface of impact plate 1, accomplish the work of scraping the material clearance. And self-lubricating copper sheathing 405 among the slider 401 makes slider 401 steadily slide on guide arm 201, and wear-resisting material 603 protects the fragile position on scraper blade 6, avoids the bolted connection position at 6 both ends of scraper blade 6 in crushing process by too fast wearing and tearing and cause scraper blade 6's installation unstability or drop, increases the scraper and constructs, can improve the output of breaker by a wide margin, reduces power consumption.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.

Components and circuit connections not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The utility model provides a breaker is with scraping material mechanism, its characterized in that includes guide rail (2), guide rail (2) include guide arm (201) and fixing base (202), two guide arm (201) are parallel to each other and both ends are fixedly connected with fixing base (202) respectively, fixing base (202) pass through screw fixed connection in impact plate (1) back border position, guide rail (2) total are two sets of and are located the upper edge and the lower border position of impact plate (1) respectively, two sets of guide rail (2) are parallel to each other and on it respectively sliding fit install scraper blade mount pad (4), two pneumatic cylinders (3) are installed respectively to guide rail (2) side about impact plate (1) position, pneumatic cylinder (3) stiff end is installed on impact plate (1) through round pin axle normal running fit, flexible end fixed connection is in on scraper blade mount pad (4), pneumatic cylinder (3) with guide arm (201) are parallel, go up through screw fixedly connected with scraper blade connecting plate (5) on scraper blade mount pad (4), scraper blade connecting plate (5) are located counterattack board (1) openly and are gone up through screw fixedly connected with scraper blade (6) on it, two corresponding at counterattack board (1) upper and lower marginal position are fixed respectively at scraper blade (6) both ends on scraper blade connecting plate (5), mutually parallel installation is gone up in scraper blade mount pad (4) has two scraper blade (6), scraper blade (6) laminating is in the front of counterattack board (1).

2. The scraping mechanism for a crusher as claimed in claim 1, wherein: the impact plate (1) is a side wall of a crushing cavity in the crusher and is in a semicircular arc shape.

3. The scraping mechanism for a crusher as claimed in claim 1, wherein: the scraper mounting seat (4) comprises two sliding blocks (401), the sliding blocks (401) are mounted on the guide rod (201) in a sliding fit mode, a self-lubricating copper sleeve (405) is sleeved on a contact surface, the two sliding blocks (401) are fixedly connected through a connecting frame (402), one end of the connecting frame (402) is fixedly connected with a push-pull plate (403), a mounting hole (404) is formed in the lower end of the push-pull plate (403), and the telescopic end of the hydraulic cylinder (3) penetrates through the mounting hole (404) and is fixed through a nut.

4. The scraping mechanism for a crusher as claimed in claim 1, wherein: the scraper connecting plate (5) is L-shaped and is attached to the edge of the impact plate (1).

5. The scraping mechanism for a crusher as claimed in claim 1, wherein: mounting hole (601) have been seted up respectively for arc and its both ends that openly laminate mutually with counterattack board (1) scraper blade (6), mounting hole (601) are the countersunk bolt hole, chamfer (602) have been seted up at scraper blade (6) inner circle cambered surface both ends, scraper blade (6) pass through the bolt the mounting hole (601) after-fixing on scraper blade connecting plate (5), chamfer (602) with scraper blade connecting plate (5) are corresponding, scraper blade (6) both ends with the build-up welding has abrasive material (603) on the corresponding interior cambered surface of scraper blade connecting plate (5), abrasive material (603) thickness is not less than 5 mm.