CN215917513U

CN215917513U - Crusher with labor-saving structure

Info

Publication number: CN215917513U
Application number: CN202121287922.7U
Authority: CN
Inventors: 田野; 付怀德
Original assignee: Heilongjiang University of Science and Technology
Current assignee: Heilongjiang University of Science and Technology
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-03-01
Anticipated expiration: 2031-06-09

Abstract

The utility model relates to a crusher, in particular to a crusher with a labor-saving structure. A crusher with a labor-saving structure comprises a shell 8, wherein a fixed jaw plate 1 is fixed on the inner surface of the shell 8, the bottom of the fixed jaw plate 1 is hinged with a movable jaw plate 2 through a hinge, the top of the movable jaw plate 2 is hinged with one end of a push rod 3, and the other end of the push rod 3 is hinged with a driven piece 4; a guide plate 5 is vertically arranged in the shell 8, and the guide plate 5 is used for guiding the motion of the driven member 4; still be provided with camshaft 7 on the shell 8, camshaft 8 is driven the belt rotation by motor 14, be provided with cam 6 on the camshaft 7, the outer profile surface of cam 6 contacts with follower 4. When the movable jaw plate 2 and the static jaw plate 1 crush materials, the movable jaw plate and the static jaw plate are hinged together at the bottom to form a V-shaped structure, so that the lever principle is effectively utilized, and the crushing force and the production efficiency are improved under the condition that the power of a motor is not changed.

Description

Crusher with labor-saving structure

Technical Field

The utility model relates to a crusher, in particular to a crusher with a labor-saving structure.

Background

Jaw crushers are usually the first choice as primary crushing equipment, have the advantages of large crushing ratio, full and uniform granularity of produced finished products, reliable equipment state during operation, convenient and quick later maintenance and repair, low later operation cost and the like, and are widely applied to industries such as mines, electric power, coal, metallurgy, building materials, railways, highways, water conservancy and the like. The working principle of the existing jaw crusher is that a motor drives an angle belt wheel to rotate through an eccentric shaft so as to enable a jaw to perform complex swing, when a movable jaw moves upwards, an included angle between a toggle plate and the movable jaw is increased, so that the movable jaw is pushed to approach a fixed jaw, and materials are crushed by various methods such as extrusion, rubbing, grinding and the like; however, the existing crusher can not provide larger crushing force in the crushing operation under the condition of constant motor power, so the utility model provides the crusher with a labor-saving structure to improve the crushing force.

Disclosure of Invention

In order to solve the problems of the prior art, the utility model provides a crusher with a labor-saving structure, which has the function of improving the crushing force and can improve the crushing efficiency.

The technical scheme adopted by the utility model is as follows:

a crusher with a labor-saving structure comprises a shell 8, wherein a fixed jaw plate 1 is fixed on the inner surface of the shell 8, the bottom of the fixed jaw plate 1 is hinged with a movable jaw plate 2 through a hinge, the top of the movable jaw plate 2 is hinged with one end of a push rod 3, and the other end of the push rod 3 is hinged with a driven piece 4; a guide plate 5 is vertically arranged in the shell 8, and the guide plate 5 is used for guiding the motion of the driven member 4; still be provided with camshaft 7 on the shell 8, camshaft 8 is driven the belt rotation by motor 14, be provided with cam 6 on the camshaft 7, the outer profile surface of cam 6 contacts with follower 4.

Further, the driven member 4 comprises a rod body 9, an upper spring seat 13, a lower spring seat 12 and a spring 10; the left end of the rod body 9 is hinged to the push rod 3, the upper spring seat 13 is fixed to the right end of the rod body 9, the lower spring seat 12 is fixed to the right side of the guide plate 5, the spring 10 is sleeved on the rod body 9, one end of the spring 9 is connected with the upper spring seat 13, and the other end of the spring 9 is connected with the lower spring seat 12.

Further, the right end of the lever body 9 is provided with a roller 11, and the roller 11 is used for contacting with the outer contour surface of the cam 6.

Furthermore, the number of the push rods 3 is two, and the two push rods are respectively hinged with two ends of the top of the movable jaw plate 2; the number of the driven parts 4 is two, and the two driven parts are respectively hinged with the two push rods 3; the number of the cams 6 is two, and the cams are respectively contacted with the two driven members 4.

Further, the housing 8 has a four-wall structure with upper and lower openings.

The technical scheme provided by the utility model has the beneficial effects that:

1. in the process of extruding and crushing materials by the movable jaw plate (2) and the static jaw plate (1), the movable jaw plate (2) is hinged with the bottom of the static jaw plate (1) to form a V-shaped structure, so that the lever principle is effectively utilized, and the crushing force and the production efficiency are improved under the condition that the power of the motor (14) is unchanged.

2. The right end of the driven piece (4) is provided with a roller (11), and the roller (11) is in contact with the cam (6) to effectively reduce abrasion.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a crusher with a labor-saving structure according to the present invention;

FIG. 2 is a top view of a crusher with a labor saving structure of the present invention;

FIG. 3 is a schematic view of the crusher with the labor-saving structure, when the included angle between the movable jaw plate and the fixed jaw plate is minimum;

fig. 4 is a schematic view of the present invention showing the maximum included angle between the movable jaw and the stationary jaw for crushing with a labor-saving structure;

fig. 5 is a schematic view of the hinge joints between the parts of a crusher having a labor saving structure according to the present invention;

fig. 6 is a schematic diagram of a driven member of a crusher with a labor-saving structure according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example one

As shown in the attached drawings 1-6, the crusher with the labor-saving structure comprises a shell 8, wherein a fixed jaw plate 1 is fixed on the inner surface of the shell 8, the bottom of the fixed jaw plate 1 is hinged with a movable jaw plate 2 through a hinge, the top of the movable jaw plate 2 is hinged with one end of a push rod 3, and the other end of the push rod 3 is hinged with a driven part 4; a guide plate 5 is vertically arranged in the shell 8, and the guide plate 5 is used for guiding the motion of the driven member 4; still be provided with camshaft 7 on the shell 8, camshaft 8 is driven the belt rotation by motor 14, be provided with cam 6 on the camshaft 7, the outer profile surface of cam 6 contacts with follower 4.

Further, the housing 8 has a four-wall structure with upper and lower openings.

When the motor is started, the motor drives the cam shaft to rotate through the belt, the driven part moves left and right under the action of the cam, the push rod moves the movable jaw plate under the action of the driven part, and an included angle between the movable jaw plate and the fixed jaw plate is changed under the action of the push rod, so that materials are extruded and crushed; because the static jaw plate is hinged with the movable jaw plate through the hinge, the lever principle is utilized in the process of crushing materials, and the crushing force is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A crusher with a labor-saving structure comprises a shell (8), wherein a fixed jaw plate (1) is fixed on the inner surface of the shell (8), and is characterized in that the bottom of the fixed jaw plate (1) is hinged with a movable jaw plate (2) through a hinge, the top of the movable jaw plate (2) is hinged with one end of a push rod (3), and the other end of the push rod (3) is hinged with a driven piece (4); a guide plate (5) is vertically arranged in the shell (8), and the guide plate (5) is used for guiding the motion of the driven piece (4); still be provided with camshaft (7) on casing (8), camshaft (7) are driven the belt drive by motor (14) and are rotatory, be provided with cam (6) on camshaft (7), the outer profile surface of cam (6) contacts with follower (4).

2. A crusher with a labor-saving structure as claimed in claim 1, characterized in that the driven member (4) comprises a rod body (9), an upper spring seat (13), a lower spring seat (12) and a spring (10); the left end of the rod body (9) is hinged to the push rod (3), the upper spring seat (13) is fixed to the right end of the rod body (9), the lower spring seat (12) is fixed to the right side of the guide plate (5), the spring (10) is sleeved on the rod body (9), one end of the spring (10) is connected with the upper spring seat (13), and the other end of the spring (10) is connected with the lower spring seat (12).

3. A crusher with a labour saving structure as claimed in claim 2, characterised in that the right end of the rod (9) is provided with a roller (11), said roller (11) being adapted to contact the outer profile of the cam (6).

4. The crusher with labor-saving structure as claimed in claim 1, wherein the number of the push rods (3) is two, and the two push rods are respectively hinged with two ends of the top of the movable jaw plate (2); the number of the driven parts (4) is two, and the driven parts are respectively hinged with the two push rods (3); the number of the cams (6) is two, and the cams are respectively contacted with the two driven pieces (4).

5. A crusher with a labour saving structure as defined in claim 1, characterised in that said shell (8) is of a four-walled structure with upper and lower openings.