CN213254603U

CN213254603U - Jaw plate and jaw crusher

Info

Publication number: CN213254603U
Application number: CN202022021068.1U
Authority: CN
Inventors: 潘伟; 涂宇燚
Original assignee: Chengdu Qifa Construction Machinery Co ltd
Current assignee: Chengdu Qifa Construction Machinery Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-05-25
Anticipated expiration: 2030-09-15

Abstract

The utility model relates to the field of engineering machinery, in particular to a jaw plate and jaw crusher; the jaw plate is used for a jaw crusher and comprises a plate body and a plurality of jaw teeth, wherein the jaw teeth are fixedly connected with the plate body and are sequentially arranged along a first direction; each jaw tooth comprises a first tooth part, a second tooth part and a third tooth part which are sequentially connected along the second direction, and the tooth width of one side, away from the plate body, of the second tooth part is larger than that of one side, away from the plate body, of the first tooth part and is larger than that of one side, away from the plate body, of the third tooth part along the first direction; wherein, the first direction and the second direction are arranged in an included angle. The utility model discloses a Hubei province board can improve the wearing and tearing condition, prolongs the life of Hubei province board, avoids producing harmful effects to jaw crusher's crushing efficiency.

Description

Jaw plate and jaw crusher

Technical Field

The utility model relates to an engineering machine tool field particularly, relates to a hubei province board and jaw crusher.

Background

The jaw crusher is commonly called as jaw crusher and also called as old tiger mouth, a crushing cavity is formed by two jaw plates of a movable jaw plate and a fixed jaw plate, the crusher which simulates the movement of two jaws of an animal to complete material crushing operation is widely applied to crushing various ores and large materials in the industries of mine smelting, building materials, highways, railways, water conservancy, chemical engineering and the like.

The jaw plate that the correlation technique provided appears wearing and tearing easily, and life is short, can produce harmful effects to crushing efficiency after the jaw plate wearing and tearing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hubei province board and jaw crusher, its wearing and tearing condition that can improve hubei province board prolongs the life of hubei province board, avoids producing harmful effects to jaw crusher's crushing efficiency.

The embodiment of the utility model is realized like this:

in a first aspect, an embodiment of the present invention provides a jaw plate for a jaw crusher, including a plate body and a plurality of jaw teeth, wherein the jaw teeth are all fixedly connected to the plate body and arranged along a first direction; each jaw tooth comprises a first tooth part, a second tooth part and a third tooth part which are sequentially connected along the second direction, and the tooth width of one side, away from the plate body, of the second tooth part is larger than that of one side, away from the plate body, of the first tooth part and is larger than that of one side, away from the plate body, of the third tooth part along the first direction; wherein, the first direction and the second direction are arranged in an included angle.

In an alternative embodiment, the second tooth sections of two adjacent jaw teeth are connected to one another.

In an alternative embodiment, the jaw plate comprises a plurality of toothed portions, each of which is fixedly connected to the plate body and is spaced apart in the first direction; each tooth-shaped part comprises two jaw teeth, the second tooth parts of the two jaw teeth of each tooth-shaped part are mutually connected, the first tooth parts of the two jaw teeth of each tooth-shaped part are distributed at intervals, and the third tooth parts of the two jaw teeth of each tooth-shaped part are distributed at intervals.

In an alternative embodiment, a first gap is provided between the first tooth sections of two adjacent jaw teeth and a second gap is provided between the third tooth sections of two adjacent jaw teeth.

In an alternative embodiment, the width of the first gap on the side away from the plate body in the first direction gradually increases from the end close to the second tooth portion to the end away from the second tooth portion.

In an alternative embodiment, the depth of the first gap gradually increases from an end close to the second tooth portion to an end far from the second tooth portion in the third direction; the first direction, the second direction and the third direction are mutually vertical.

In an alternative embodiment, in the second direction, the tooth width of the first tooth portion on the side away from the plate body is gradually reduced from the end close to the second tooth portion to the end away from the second tooth portion.

In an alternative embodiment, the first, second and third tooth portions of each jaw tooth are integrally formed.

In an alternative embodiment, the jaw teeth are formed integrally with the plate body.

In a second aspect, embodiments of the present invention provide a jaw crusher including a jaw plate according to any one of the preceding embodiments.

The utility model discloses the beneficial effect of hubei province board includes: the jaw plate provided by the embodiment of the utility model comprises a plate body and a plurality of jaw teeth, wherein the jaw teeth are fixedly connected with the plate body and are arranged along a first direction; each jaw tooth comprises a first tooth part, a second tooth part and a third tooth part which are sequentially connected along the second direction, and the tooth width of one side, away from the plate body, of the second tooth part is larger than that of one side, away from the plate body, of the first tooth part and is larger than that of one side, away from the plate body, of the third tooth part along the first direction; wherein, the first direction and the second direction are arranged in an included angle. Thus, the width of the second tooth part in the middle of the jaw is larger than the first tooth part and the third tooth part at the two ends of the jaw, so that two ends of the jaw are thin teeth, the middle of the jaw is in a wide tooth state, the width of the middle of the jaw is increased, the wear-resisting area of the middle part of the jaw is increased, the wear condition of the tooth part in the middle or the middle of the jaw can be improved, the wear condition of the jaw is improved, and the service life of the jaw is prolonged.

The utility model discloses jaw crusher's beneficial effect includes: the embodiment of the utility model provides a jaw crusher includes foretell hubei province board, because the wearing and tearing condition of hubei province board obtains improving, and life can prolong, and then can avoid producing harmful effects to jaw crusher's crushing efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a jaw crusher according to a first embodiment of the present invention;

figure 2 is a schematic view of a jaw plate according to a first embodiment of the present invention, shown from a first perspective;

figure 3 is a schematic view of the jaw plate of the first embodiment of the present invention at a second viewing angle;

figure 4 is a schematic view of the jaw plate of the first embodiment of the present invention from a third perspective;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;

figure 7 is a schematic view of a second embodiment of the invention showing the jaw plate at a first viewing angle;

figure 8 is a schematic view of a second embodiment of the invention showing the jaw plate at a second viewing angle;

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;

fig. 10 is a sectional view taken in the direction D-D in fig. 8.

Icon: 010-jaw crusher; 100-a frame; 110-movable jaw plate; 120-jawbone plate; 130-a drive assembly; 140-a crushing chamber; 200-jaw plate; 210-a plate body; 220-jaw teeth; 221-a first tooth; 222-a second tooth; 223-third tooth; 230-a tooth-shaped portion; 241-a first gap; 242-a second gap; 250-weight reduction slots; 260-working surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the following embodiments, unless otherwise specified, the term "first direction" is the direction of an ab arrow in the drawing, the term "second direction" is the direction of a cd arrow in the drawing, and the term "third direction" is the direction of an ef arrow in the drawing.

First embodiment

The present embodiment provides a jaw crusher 010 that can be used to crush material such as ore.

Referring to fig. 1, a jaw crusher 010 includes a machine frame 100, a movable jaw plate 110, a jaw plate 120 and a driving assembly 130, wherein the jaw plate 120 and the driving assembly 130 are both fixedly disposed on the machine frame 100, the movable jaw plate 110 is movably disposed on the machine frame 100 and is in transmission connection with the driving assembly 130, and the movable jaw plate 110 and the jaw plate 120 are distributed relatively to form a crushing cavity 140 for placing a material to be crushed between the movable jaw plate 110 and the jaw plate 120; the drive assembly 130 is used to drive the jaw plate 110 toward or away from the jaw plate 120 so that when the jaw plate 110 approaches the jaw plate 120, the material in the crushing chamber 140 is crushed, and the jaw plate 110 and the jaw plate 120 are used to crush the material in the crushing chamber 140.

It should be noted that the structure and the operation principle of the driving assembly 130 are similar to those of the related art, and are not described herein again.

Referring to fig. 2, this embodiment also provides a jaw plate 200 that can be used as at least one of the jaw plate 110 and the jaw plate 120, i.e., one of the jaw plate 120 and the jaw plate 110 is the jaw plate 200, or both the jaw plate 120 and the jaw plate 110 are the jaw plate 200. The jaw plate 200 is described in detail below with reference to the jaw plate 110 of the jaw crusher 010, and the jaw plate 120 may be various types of jaw plates provided in the related art, and thus, will not be described in detail herein.

Referring to fig. 2, the jaw plate 200 includes a plate body 210 and a plurality of jaw teeth 220, wherein the jaw teeth 220 are fixedly connected to the plate body 210 and arranged along a first direction; each jaw tooth 220 comprises a first tooth part 221, a second tooth part 222 and a third tooth part 223 which are sequentially connected along the second direction, and the tooth width h of one side, away from the plate body 210, of the second tooth part 222 is larger than the tooth width of one side, away from the plate body 210, of the first tooth part 221 and is larger than the tooth width of one side, away from the plate body 210, of the third tooth part 223 along the first direction; wherein, the first direction and the second direction are arranged in an included angle.

The width of the second tooth portion 222 in the middle of the jaw 220 of this embodiment is greater than the first tooth portion 221 and the third tooth portion 223 at both ends of the jaw 220, so as to form a state that both ends are thin teeth and middle is wide teeth, so as to increase the wear-resistant area in the middle of the jaw 220 by increasing the width in the middle of the jaw 220, thereby improving the wear condition of the tooth portion in the middle or approximately the middle of the jaw 200, and improving the wear condition of the jaw 200, which is favorable for prolonging the service life of the jaw 220.

In this embodiment, the first direction is perpendicular to the second direction; of course, in other embodiments, the angle between the first direction and the second direction may also be 88 °, 93 °, and the like, and is not limited herein.

In this embodiment, the second tooth portions 222 of two adjacent jaw teeth 220 are connected to each other; so set up, can further strengthen the bearing capacity in the middle part of each jaw tooth 220 through two liang interconnect's second tooth portion 222 to and jaw tooth 220's wear-resisting area, and then improve jaw tooth 220's wearing and tearing, effectively prolong jaw plate 200's life.

Further, in this embodiment, the second tooth portions 222 of every two adjacent jaw teeth 220 are connected to each other, so that all the second tooth portions 222 are connected to form the working surface 260 along the first direction, thereby ensuring that the middle portion of the jaw plate 200 has a large material contact surface, increasing the strength and wear-resistant area of the middle portion of the jaw plate 200, and effectively improving the wear condition of the jaw plate 200.

In this embodiment, referring to fig. 2, a first gap 241 is formed between the first tooth portions 221 of two adjacent jaw teeth 220, and a second gap 242 is formed between the third tooth portions 223 of two adjacent jaw teeth 220. So set up, be convenient for as jaw board 200 and the cooperation of bazoon board 120 of jaw board 110 to ensure the reliability of the broken material of jaw crusher 010.

In the first direction, the width of the first gap 241 on the side away from the plate body 210 gradually increases from the end close to the second tooth 222 to the end away from the second tooth 222. So set up, the processing of jaw plate 200 of being convenient for can ensure as move jaw plate 110 the jaw plate 200 can with decide jaw plate 120 reliable cooperation, and then reliable the breakage of carrying on the material.

In the first direction, the width of the second gap 242 on the side away from the plate body 210 increases from the end close to the second tooth portion 222 to the end away from the second tooth portion 222. So set up, the processing of jaw plate 200 of being convenient for can ensure as move jaw plate 110 the jaw plate 200 can with decide jaw plate 120 reliable cooperation, and then reliable the breakage of carrying on the material.

Further, the tooth width of the side of the first tooth portion 221 away from the plate body 210 gradually decreases from the end close to the second tooth portion 222 to the end away from the second tooth portion 222. By the arrangement, the first tooth part 221 and the second tooth part 222 can be guaranteed to form a streamline design along the second direction, so that the stress between the first tooth part 221 and the second tooth part 222 is reduced, the strength of the jaw teeth 220 is further improved, and the damage condition of the jaw teeth 220 is improved.

The tooth width of the third tooth portion 223 on the side away from the plate body 210 gradually decreases from the end close to the second tooth portion 222 to the end away from the second tooth portion 222. By the arrangement, the third tooth part 223 and the second tooth part 222 can be guaranteed to form a streamline design along the second direction, and then the stress between the third tooth part 223 and the second tooth part 222 is reduced, so that the strength of the jaw tooth 220 is further improved, and the damage condition of the jaw tooth 220 is improved.

It should be noted that, in this embodiment, the two ends of the jaw 220 are designed to be tooth shapes with relatively small tooth widths, so that the crushed material is relatively uniform and the shape is relatively regular.

Still further, in the third direction, the depth of the first gap 241 gradually increases from an end close to the second tooth portion 222 to an end far from the second tooth portion 222; the depth of the second gap 242 gradually increases from an end close to the second tooth portion 222 to an end far from the second tooth portion 222. In this way, the jaw plate 200 serving as a movable jaw plate can be reliably engaged with the jaw plate.

It should be noted that the first direction, the second direction and the third direction are perpendicular to each other.

It should be further noted that, referring to fig. 4 to 6, along the third direction, the cross sections of the first tooth portion 221 and the third tooth portion 223 are trapezoidal, the cross section of the second tooth portion 222 is rectangular, and the cross sectional area of the second tooth portion 222 is larger than the cross sectional area of the first tooth portion 221 and larger than the cross sectional area of the third tooth portion 223, so as to ensure that the load capacity of the second tooth portion 222 is enhanced. Further, the cross-sectional area of the first tooth 221 in the third direction gradually increases from the end far from the second tooth 222 to the end near the second tooth 222, and the cross-sectional area of the third tooth 223 in the third direction gradually increases from the end far from the second tooth 222 to the end near the third tooth 223; with this arrangement, it is possible to further ensure the load capacity enhancement of the second tooth portion 222.

The first tooth portion 221, the second tooth portion 222, and the third tooth portion 223 of each jaw 220 of the present embodiment are integrally molded, specifically, are formed by one-time casting; with this arrangement, the jaw 220 can be further secured in strength, and the jaw 220 can be further prevented from being damaged.

Of course, in other embodiments, the connection mode between the first tooth portion 221 and the second tooth portion 222 and the connection mode between the third tooth portion 223 and the second tooth portion 222 may be welding, fastening with a fastener such as a bolt, and the like, and is not particularly limited herein.

Further, the jaw 220 and the plate body 210 of the present embodiment are integrally formed, specifically, formed by one-time casting; this arrangement ensures the stability of the connection between the jaw 220 and the plate body 210, and ensures the strength of the jaw 220.

Of course, in other embodiments, the jaw 220 and the plate body 210 may be connected by welding or fastening members such as bolts, and are not limited in this respect.

It should be noted that the jaw plate 200 of the present embodiment may be integrally cast; of course, in other embodiments, the jaw 200 may be manufactured by milling or the like, and is not limited thereto.

It should be noted that the first tooth 221 and the third tooth 223 may be identical, that is, the first tooth 221 and the third tooth 223 may have identical shapes, sizes, etc. so that the upper end and the lower end of the jaw plate 200 are not distinguished, which not only facilitates assembly, but also enables the upper end and the lower end to be exchanged during the process of use, thereby further prolonging the service life of the jaw plate 200.

It should be noted that, referring to fig. 3, a weight-reducing slot 250 may be formed on a side of the plate body 210 away from the jaw 220 to reduce the weight of the entire jaw 200, thereby facilitating transportation, loading and unloading of the jaw 200. Further, the plate body 210 is further provided with a mounting hole, so that a fastener such as a bolt is disposed in the mounting hole to connect the jaw plate 200 with the driving assembly 130 in a transmission manner, or the jaw plate 200 is fixedly disposed on the rack 100.

The jaw crusher 010 that this embodiment provided can be used for broken materials such as rock, and jaw crusher 010's jaw board 200's jaw tooth 220 middle part is widened, the intensity at jaw tooth 220 middle part has been increased, and increase jaw tooth 220's wear-resisting area, can improve jaw board 200 middle or the wearing and tearing condition of roughly mid portion's tooth portion, and then improve jaw board 200's wearing and tearing condition, be favorable to prolonging jaw tooth 220's life, and then can avoid producing harmful effects to jaw crusher 010's crushing efficiency.

Second embodiment

Referring to fig. 7, the present embodiment provides a jaw plate 200, which has a structure similar to the jaw plate 200 of the first embodiment, and only the differences between the jaw plate 200 of the present embodiment and the jaw plate 200 of the first embodiment will be described herein, and the descriptions of the similar parts will be omitted.

The jaw plate 200 comprises a plurality of tooth-shaped portions 230, and the plurality of tooth-shaped portions 230 are all fixedly connected with the plate body 210 and are distributed at intervals along a first direction; each toothed segment 230 comprises two jaw teeth 220, the second toothed segments 222 of the two jaw teeth 220 of each toothed segment 230 are connected to one another, the first toothed segments 221 of the two jaw teeth 220 of each toothed segment 230 are spaced apart, and the third toothed segments 223 of the two jaw teeth 220 of each toothed segment 230 are spaced apart. So set up, through two second tooth 222 interconnect of every profile of tooth portion 230, can increase the area that profile of tooth portion 230 middle part and material contacted, and then make the middle part of profile of tooth portion 230 be difficult to wear and tear, and then can prolong the life of jaw plate 200.

It should be further noted that, referring to fig. 8 to 10, along the third direction, the cross sections of the first tooth portion 221 and the third tooth portion 223 are trapezoidal, the cross section of the second tooth portion 222 is trapezoidal or rectangular, and the cross sectional area of the second tooth portion 222 is larger than the cross sectional area of the first tooth portion 221 and larger than the cross sectional area of the third tooth portion 223, so as to ensure that the load capacity of the second tooth portion 222 is enhanced. Further, the cross-sectional area of the first tooth 221 in the third direction gradually increases from the end far from the second tooth 222 to the end near the second tooth 222, and the cross-sectional area of the third tooth 223 in the third direction gradually increases from the end far from the second tooth 222 to the end near the third tooth 223; with this arrangement, it is possible to further ensure the load capacity enhancement of the second tooth portion 222.

The jaw plate 200 provided in this embodiment can improve the wear of the middle thereof, and further extend the service life, and can also improve the crushing efficiency of the jaw crusher 010 provided with this jaw plate 200.

To sum up, the utility model provides a width at hubei province tooth 220 middle part of hubei province board 200 is great, can improve the wear condition of hubei province board 200 middle or roughly the tooth portion of mid portion, and then improves the wear condition of hubei province board 200, is favorable to prolonging hubei province tooth 220's life.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A jaw plate is used for a jaw crusher and is characterized by comprising a plate body and a plurality of jaw teeth, wherein the jaw teeth are fixedly connected with the plate body and are arranged along a first direction; each jaw tooth comprises a first tooth part, a second tooth part and a third tooth part which are sequentially connected along a second direction, and the tooth width of one side, far away from the plate body, of the second tooth part is larger than that of one side, far away from the plate body, of the first tooth part and larger than that of one side, far away from the plate body, of the third tooth part along the first direction; wherein, the first direction with the second direction is the contained angle setting.

2. The jaw plate of claim 1 wherein said second tooth portions of adjacent two of said jaws are interconnected.

3. The jaw plate of claim 1, wherein the jaw plate includes a plurality of teeth, each of the plurality of teeth being fixedly attached to the plate body and spaced apart along the first direction; each profile of tooth portion includes two the jaw tooth, every two of profile of tooth portion the second tooth portion interconnect of jaw tooth, every two of profile of tooth portion the first tooth portion interval distribution of jaw tooth, and every two of profile of tooth portion the third tooth portion interval distribution of jaw tooth.

4. The jaw plate of claim 1 wherein said first tooth portion of two adjacent jaw teeth has a first gap therebetween and said third tooth portion of two adjacent jaw teeth has a second gap therebetween.

5. The jaw plate of claim 4 wherein a side of said first gap remote from said plate body in said first direction has a width that gradually increases from an end proximate to said second tooth portion to an end remote from said second tooth portion.

6. The jaw plate of claim 4 wherein in a third direction, the depth of the first gap increases from an end proximate the second tooth to an end distal from the second tooth; the first direction, the second direction and the third direction are mutually perpendicular.

7. The jaw plate of claim 1 wherein a side of said first tooth portion remote from said plate body in said second direction has a tooth width that gradually decreases from an end proximate to said second tooth portion to an end remote from said second tooth portion.

8. The jaw plate of claim 1 wherein said first, second and third tooth portions of each said jaw tooth are integrally formed.

9. The jaw plate of claim 1 wherein said jaw teeth are integrally formed with said plate body.

10. A jaw crusher characterised by comprising a jaw plate as claimed in any one of claims 1 to 9.