CN218452222U

CN218452222U - Jaw crusher

Info

Publication number: CN218452222U
Application number: CN202222408798.6U
Authority: CN
Inventors: 何文莉; 张宏维
Original assignee: Jiangxi Guangming Intelligent Technology Co ltd
Current assignee: Jiangxi Guangming Intelligent Technology Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-02-07
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a jaw breaker, it includes: the jaw crusher comprises a main power, a transmission mechanism, a jaw breaking cavity, a jaw crusher feed hopper, a static jaw plate and a movable jaw plate assembly; the jaw breaking cavity is a cuboid cavity with the upper end and the lower end open, and the jaw breaking cavity and the main power are arranged in parallel; the jaw crusher feed hopper is fixed at the top of a first side wall plate, close to the main power, of the jaw crushing cavity; the fixed jaw plate made of wear-resistant materials is fixed on the inner surface of a first side wall plate of a jaw broken cavity, the movable jaw plate assembly is movably arranged relative to the fixed jaw plate, and the upper end of the jaw plate assembly extends out of the top of the jaw broken cavity; the transmission mechanism is connected between the movable jaw plate component and the main power and is used for driving the movable jaw plate component to extrude towards the static jaw plate. The utility model has the advantages of reasonable design and simple structure.

Description

Jaw crusher

Technical Field

The utility model relates to a jaw breaker belongs to mineral aggregate system appearance field.

Background

The jaw crusher mainly comprises a crushing cavity consisting of two jaw plates of a movable jaw and a static jaw, and the jaw crusher simulates the movement of the two jaws of an animal to finish material crushing operation, so that the jaw crusher is widely applied to medium-granularity crushing of various ores and large materials in the industries of mines, smelting, building materials, highways, railways, water conservancy, chemical engineering and the like. In the field of sample preparation of coal, ore and the like, a jaw crusher is often adopted to crush a sample, so that the jaw crusher which is suitable for crushing the sample and has a simple and reasonable structure becomes a target pursued by the technical personnel in the field.

Disclosure of Invention

An object of the utility model is to provide a be suitable for and carry out broken, simple structure, reasonable jaw breaker to the sample.

In order to achieve the above purpose, the technical scheme of the utility model is that: a jaw crusher comprising: the jaw crusher comprises a main power, a transmission mechanism, a jaw breaking cavity, a jaw crusher feed hopper, a static jaw plate and a movable jaw plate assembly;

the feed hopper of the jaw crusher is fixed at the top of the first side of the jaw crushing cavity; the movable jaw plate assembly is arranged in the jaw breaking cavity relative to the static jaw plate, and the transmission mechanism is connected between the movable jaw plate assembly and the main power and used for driving the movable jaw plate assembly to extrude towards the static jaw plate.

Preferably, the movable jaw plate assembly comprises: the movable jaw body, the movable jaw plate and the eccentric shaft; the two ends of the eccentric shaft are horizontally arranged at the top of the jaw broken cavity through a first bearing, an eccentric flange is arranged in the middle of the eccentric shaft, the top of the movable jaw body is connected with the eccentric flange through a second bearing, the movable jaw body is movably arranged relative to the fixed jaw plate, and the movable jaw plate is fixed on the surface of the movable jaw body, which is opposite to the fixed jaw plate; one end of a pull rod is hinged to the back face of the lower end of the movable jaw body, the free end of the pull rod extends out of the jaw breaking cavity, a nut is arranged at the tail end of the pull rod, and a spring is arranged between the nut and the outer wall of the jaw breaking cavity.

The transmission mechanism comprises a driving wheel which is arranged at the end part of the driving force; a driven wheel is arranged at the end part of the eccentric shaft, and a belt is connected between the driving wheel and the driven wheel.

Preferably, the jaw crusher further comprises a crushing size adjusting assembly for adjusting crushing size, comprising: the adjusting screw rod I, the wedge block II, the supporting plate, the pull rod and the spring are arranged; the adjusting screw rod I can be vertically arranged in a jaw breaking cavity in a rotating and lifting mode, the wedge block I is fixed to the lower portion of the adjusting screw rod I, the inclined surface of the wedge block II is arranged adjacent to the wedge block I in a contact mode with the inclined surface of the wedge block I, the back face of the wedge block II is provided with an arc-shaped groove II, the back of the movable jaw body is provided with the arc-shaped groove I, and two ends of the supporting plate are arc-shaped and are respectively matched with the arc-shaped groove I and the arc-shaped groove II.

Jaw breaker be particularly suitable for carrying out the breakage to the sample, have reasonable in design, simple structure's advantage.

Drawings

Fig. 1 is a perspective view of a jaw crusher according to the present invention;

fig. 2 is a cross-sectional view of a jaw crusher according to the present invention;

fig. 3 is a longitudinal section through a jaw crusher according to the invention.

Description of the figure numbers: a main power 21, a transmission mechanism 22, a driving wheel 221, a driven wheel 222 and a belt 223; jaw cavity 23, first sidewall plate 231; a jaw crusher feed hopper 24, a static jaw 25, a crushing size adjusting assembly 26, an adjusting screw rod 261, a wedge block 262, a wedge block 263, a groove 2631, a supporting plate 264, a pull rod 265, a spring 266, a nut 267 and a flange 268; the movable jaw plate assembly 27, the movable jaw body 271, the first groove 2711, the movable jaw plate 272, the eccentric shaft 273, the eccentric flange 2731, the support part 274, the support 2741, the bearing seat 2742, the first bearing 2743, the first bearing end cap 2744, the second bearing 2745 and the second bearing end cap 2746.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings, but the scope of the present invention should not be limited by the preferred embodiments.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Embodiment one, referring to fig. 1, 2 and 3, there is shown a jaw crusher according to the present invention, comprising: the main power 21, the transmission mechanism 22, the jaw crushing cavity 23, the feed hopper 24 of the jaw crusher, the static jaw plate 25 and the movable jaw plate component 27;

the jaw breaking cavity 23 is a rectangular cavity with the upper end and the lower end open, and the jaw breaking cavity 23 and the main power 21 are arranged in parallel; the jaw crusher feed hopper 24 is fixed to the top of the jaw crushing chamber 23 near the first side wall 231 of the main power 21; the fixed jaw 25 is made of wear-resistant material and fixed on the inner surface of the first side wall 231 of the jaw breaking cavity 23, i.e. below the feed hopper 24 of the jaw crusher, the movable jaw component 27 is movably arranged relative to the fixed jaw 25, and the transmission mechanism 22 is connected between the movable jaw component 27 and the main power 21 and is used for driving the movable jaw component 27 to perform a squeezing action towards the fixed jaw 25.

Specifically, the movable jaw assembly 27 includes: a movable jaw body 271, a movable jaw plate 272 and an eccentric shaft 273; the two ends of the eccentric shaft 273 are horizontally arranged at the top of the jaw breaking cavity 23 through the supporting part 274, the middle part of the eccentric shaft 273 is provided with an eccentric flange 2731, namely, the center of the eccentric flange 2731 has an eccentric distance with the center of the eccentric shaft, the upper end of the movable jaw body 271 is rotatably connected with the eccentric flange 2731 relatively, the movable jaw body 271 is movably arranged relative to the fixed jaw plate 25, the movable jaw plate 272 is fixed on the surface of the movable jaw body 271 opposite to the fixed jaw plate 25, and the movable jaw plate 272 is made of wear-resistant material; a discharge port is formed between the lower ends of the movable jaw plate 272 and the fixed jaw plate 25; one end of a pull rod 265 is hinged with the lower end of the movable jaw body 271, the free end of the pull rod 265 extends out of the jaw breaking cavity 23, a nut 267 is arranged at the tail end of the pull rod 265, and a spring 266 is arranged between the nut 267 and the outer wall of the jaw breaking cavity 23. The tension rod 265 pulls the movable jaw 272 away from the stationary jaw 25.

The transmission mechanism 22 comprises a driving wheel 221 arranged at the end part of the main power 21; a driven pulley 222 is provided at an end of the eccentric shaft 273, and a belt 223 is connected between the driving pulley 221 and the driven pulley 222. At this time, the eccentric shaft 273 is rotated by the driving mechanism 22, and the movable jaw 272 is driven by the eccentric flange 2731 to open and close, so as to reciprocate with the stationary jaw 25, thereby squeezing the sample.

The supporting component 274 includes two supports 2741 (the left and right are the left and right shown in fig. 3) symmetrically arranged at the top of the jaw breaking cavity 23, two bearing seats 2742 are arranged on the supports 2741, two ends of the eccentric shaft 273 are mounted in the bearing seats 2742 through a first bearing 2743, and a first bearing end cover 2744 is arranged at the outer end of the bearing seat 2742; the two eccentric flanges 2731 are symmetrically arranged in the middle of the eccentric shaft 273, a second bearing 2745 is arranged between the eccentric flange 2731 and the movable jaw body 271, and second bearing end covers 2746 are arranged at two ends of the movable jaw body 271. And a second bearing 2745 is arranged between the movable jaw body 271 and the eccentric flange 2731, so that the rotation flexibility and the shock resistance of the movable jaw body 271 are improved.

Preferably, the jaw crusher 2 further comprises a crushing size adjusting assembly 26 for adjusting the crushing size; it includes: the adjusting device comprises a first adjusting screw 261, a first wedge 262, a second wedge 263, a supporting plate 264, a pull rod 265 and a spring 266; the jaw cavity 23 is provided with a flange 268 on the inner side of the second side wall plate opposite to the static jaw plate 25, the adjusting screw rod 261 can be vertically arranged on the flange 268 on the inner side of the second side wall plate of the jaw cavity 23 in a rotating and lifting manner, namely, the flange 268 can be provided with a screw hole, and the adjusting screw rod 261 is in threaded connection with the flange 268; the first wedge 262 is fixed at the lower part of the first adjusting screw 261 and ascends and descends along with the first adjusting screw 261; the second wedge 263 and the first wedge 262 are arranged adjacently, and the inclined surfaces of the second wedge 263 and the first wedge 262 are contacted with each other; the back surface of the second wedge block 263 is provided with an arc-shaped groove second 2631, the back part of the movable jaw body 271 is provided with an arc-shaped groove first 2711, and two ends of the supporting plate 264 are arc-shaped and are respectively matched with the arc-shaped groove first 2711 and the arc-shaped groove second 2631; the first adjusting screw 261 is rotated to drive the first wedge 262 to move upwards, the second wedge 263 moves downwards relatively and pushes the supporting plate 264, so that the movable jaw body 271 moves towards the direction of the static jaw, and the purpose of adjusting the gap is achieved.

The foregoing description is intended to be illustrative, rather than limiting, of the present invention, which is directed to a jaw crusher, which may be modified, varied or equivalents thereof without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A jaw crusher, comprising: the device comprises a main power (21), a transmission mechanism (22), a jaw crushing cavity (23), a jaw crusher feed hopper (24), a static jaw plate (25) and a movable jaw plate assembly (27); the method is characterized in that:

the jaw breaking cavity (23) is a cuboid cavity with the upper end and the lower end open, and the jaw breaking cavity (23) and the main power (21) are arranged in parallel; the jaw crusher feed hopper (24) is fixed at the top of the jaw crushing cavity (23) close to the first side wall plate (231) of the main power (21); the static jaw plate (25) made of wear-resistant materials is fixed on the inner surface of a first side wall plate (231) of the jaw broken cavity (23), the movable jaw plate component (27) is movably arranged relative to the static jaw plate (25), and the upper end of the jaw plate component (27) extends out of the top of the jaw broken cavity (23); the transmission mechanism (22) is connected between the movable jaw plate component (27) and the main power (21) and is used for driving the movable jaw plate component (27) to perform extrusion action towards the fixed jaw plate (25).

2. A jaw crusher as claimed in claim 1, wherein: the movable jaw assembly (27) comprises: a movable jaw body (271), a movable jaw plate (272) and an eccentric shaft (273); the two ends of the eccentric shaft (273) are horizontally arranged at the top of the jaw broken cavity (23) through a supporting part (274), the middle part of the eccentric shaft (273) is provided with an eccentric flange (2731), the upper end of the movable jaw body (271) is connected with the eccentric flange (2731) in a relatively rotatable manner, and the movable jaw plate (272) made of wear-resistant material is fixed on the surface of the movable jaw body (271) opposite to the static jaw plate (25); one end of a pull rod (265) is hinged to the back of the lower end of the movable jaw body (271), the free end of the pull rod (265) extends out of the jaw breaking cavity (23), a nut (267) is arranged at the tail end of the pull rod (265), and a spring (266) is arranged between the nut (267) and the outer wall of the jaw breaking cavity (23).

3. A jaw crusher as claimed in claim 2, in which:

the transmission mechanism (22) comprises a driving wheel (221) arranged at the end part of the main power (21); a driven pulley (222) is provided at an end of the eccentric shaft (273), and a belt (223) is connected between the driving pulley (221) and the driven pulley (222).

4. A jaw crusher as claimed in claim 3, wherein: the supporting part (274) comprises two supporting seats (2741) which are symmetrically arranged at the top of the jaw broken cavity (23) in the left-right direction, two bearing seats (2742) are arranged on the supporting seats (2741), two ends of the eccentric shaft (273) are installed in the bearing seats (2742) through first bearings (2743), and first bearing end covers (2744) are arranged at the outer ends of the bearing seats (2742); the two eccentric flanges (2731) are symmetrically arranged in the middle of the eccentric shaft (273), a second bearing (2745) is arranged between the eccentric flange (2731) and the movable jaw body (271), and second bearing end covers (2746) are arranged at two ends of the movable jaw body (271).

5. A jaw crusher as claimed in any one of claims 2 to 4, in which: the jaw crusher (2) further comprises a crushing size adjusting assembly (26) for adjusting the crushing size, comprising: a first adjusting screw (261), a first wedge block (262), a second wedge block (263) and a supporting plate (264); the adjusting screw rod I (261) can rotate and is vertically arranged in a jaw broken cavity (23) in a lifting mode, the wedge I (262) is fixed to the lower portion of the adjusting screw rod I (261), the inclined surface of the wedge II (263) is arranged adjacent to the wedge I (262) in a contact mode with the inclined surface of the wedge I (262), the back face of the wedge II (263) is provided with an arc groove II (2631), the back of the movable jaw body (271) is provided with an arc groove I (2711), and two ends of the supporting plate (264) are arc-shaped and are respectively matched with the arc groove I (2711) and the arc groove II (2631).