CN210729623U

CN210729623U - Direct-pressure jaw crusher

Info

Publication number: CN210729623U
Application number: CN201920160277.9U
Authority: CN
Inventors: 王飞
Original assignee: Qunfei Machinery Manufacturing Co Ltd Jiangsu Province
Current assignee: Qunfei Machinery Manufacturing Co Ltd Jiangsu Province
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-06-12
Anticipated expiration: 2029-01-30

Abstract

The utility model discloses a direct pressure formula jaw breaker. It is including deciding the jaw body and moving the jaw body, the opposite face of moving the jaw body and deciding the jaw body is provided with the inclination in V-arrangement clearance that forms and is used for the broken chamber of building stones as, it sets up stop device to move between jaw body and the organism, the rear end of moving the jaw body is passed through the bearing and is installed on the eccentric shaft by power device driven, the eccentric shaft can rotate under the power device drive and drive the relative fixed jaw body of moving the jaw body and make reciprocating motion under stop device's spacing, meanwhile the building stones that enter into broken intracavity can carry out many times through the change in V-arrangement clearance and extrude the breakage and remove outside the broken chamber. After the structure is adopted, the advantages of the compound pendulum type and simple pendulum type jaw crushers are retained, meanwhile, the jaw crusher is smaller in size, larger in yield, lower in abrasion, more energy-saving, stronger in crushing capacity and better in quality, has the advantages of being stronger in specification selectivity of a finished product required after being crushed, higher in finished product proportion and the like, and the application range is expanded.

Description

Direct-pressure jaw crusher

Technical Field

The invention relates to crushing type sand making equipment, in particular to a direct-pressure type jaw crusher.

Background

The existing crushers are various, and the crushers can achieve the crushing purpose, but due to the limitation of structural design, various problems also exist, for example, the upper end of a movable jaw plate of the compound pendulum type jaw crusher makes circular motion, the lower end of the movable jaw plate of the compound pendulum type jaw crusher makes elliptical motion under the action of a toggle plate, the stone is extruded between the jaw plates and forms kneading friction, and the jaw plates are greatly abraded by the friction formed under huge pressure, so that the jaw plates are quickly abraded; in addition, part of stones are pulverized under the action of kneading friction, so that the powder content in the finished product is increased, and some stones are not required products in the processing process, so that the phenomenon of raw material waste exists. If the content of the powder in the stone material exceeds the standard, the powder needs to be sorted out, and the phenomena of increasing the investment of equipment, wasting resources, discharging and treating waste powder, increasing the production cost and the like are also needed in the production process; then, for example, the movable jaw of the simple pendulum type jaw crusher is suspended at the upper end and swings at the lower end, the crushing capacity is gradually increased from top to bottom, and therefore the crushing capacity of the upper end is poor; in addition, the simple pendulum type jaw crusher has a working force point at the lower end of the movable jaw, the mechanism is more complex, the same model type is larger, the manufacturing cost is higher, and story points which are not high in reliability due to the fact that the mechanism is more complex are increased, so that the simple pendulum type jaw crusher is not widely applied.

Disclosure of Invention

The invention aims to solve the technical problem of providing a direct-compression type jaw crusher which is low in abrasion, large in yield, low in equipment investment, good in crushing quality and low in failure rate.

In order to solve the technical problem, the direct-pressure jaw crusher comprises a fixed jaw body which is arranged in a machine body and provided with an abrasion-resistant plate, and a movable jaw body which is arranged in the machine body, is matched with the fixed jaw body and is also provided with the abrasion-resistant plate, wherein the inclination angle of a formed V-shaped gap is arranged on the opposite surface of the movable jaw body and the fixed jaw body and is used as a crushing cavity for crushing stone, a limiting device for limiting the movement of the movable jaw body is arranged between the movable jaw body and the machine body, the rear end of the movable jaw body is arranged on an eccentric shaft driven by a power device through a bearing, the eccentric shaft can drive the movable jaw body to reciprocate relative to the fixed jaw body under the limiting of the limiting device under the driving of the power device, and meanwhile, the stone entering the crushing cavity can be repeatedly crushed through the change of the V-shaped gap and is removed from the.

Decide the back downside hinge of jaw body and take the screwed regulation pole, it has to adjust the pole cover compression spring, the rear end of adjusting the pole stretches out outside the organism and makes compression spring press on the organism.

The fixed jaw adjusting device is characterized in that a fixed jaw adjusting seat located on the rear side of the fixed jaw body is arranged on the machine body, an installation block opposite to the fixed jaw adjusting seat is arranged on the rear portion of the fixed jaw body, a safety plate is arranged between the installation block and the fixed jaw adjusting seat, groove surfaces are arranged between the installation block and the fixed jaw adjusting seat, and the safety plate is arranged between the two groove surfaces.

The jaw fixing device is characterized in that a right abrasion piece is arranged in a groove surface of the mounting block, a left abrasion piece is arranged in a groove surface of the fixed jaw adjusting seat, and the safety plate is arranged between the right abrasion piece and the left abrasion piece.

Decide the jaw body and move the opposite face of jaw body and all set up the fixed block that has the inner inclined plane and the briquetting that has the inner inclined plane equally, form the dovetail structure that is used for installing the antifriction plate between fixed block and the briquetting, two the cross-section of antifriction plate all is dovetail structure and fixes a position the installation through respective fixed block and briquetting respectively.

The pressing block is provided with a serial hole, and a fastener sleeved with a compression spring is connected in series in the serial hole of the pressing block.

The limiting device comprises a positioning block arranged on one side of the wear-resisting plate on the movable jaw body, a supporting seat arranged at the bottom of the machine body and a supporting piece arranged between the positioning block and the supporting seat, groove surfaces are arranged between the positioning block and the supporting seat, and the supporting piece is arranged between the two groove surfaces.

The positioning block is provided with an upper wearing part with a lower groove surface, the supporting seat is provided with a lower wearing part with an upper groove surface, and the supporting piece is arranged between the upper wearing part and the lower wearing part.

The limiting device further comprises a connecting rod hinged to the movable jaw body and provided with threads, and a buffer spring sleeved on the connecting rod, wherein the lower end of the connecting rod extends out of the lower portion of the rack, and the buffer spring is pressed at the lower end of the rack.

After adopting foretell structure, because the setting through the bearing installation on the eccentric shaft and by the spacing movable jaw body of stop device, the relative face setting that moves jaw body and fixed jaw body through adjusting the pole and be formed with the inclination in V-arrangement clearance, the building stones that from this broken intracavity can realize through the change in V-arrangement clearance crushing many times in broken intracavity and exclude outside broken chamber, its structural design is ingenious, not only compound pendulum formula has been kept, simple pendulum formula jaw crusher advantage, can also accomplish simultaneously that the model is littleer, output is bigger, the wearing and tearing are lower, it is more energy-conserving, crushing capacity is stronger, the better quality just has the specification selectivity to the required finished product after being broken stronger, advantages such as finished product proportion is higher, can satisfy the thick broken, well broken, thin broken requirement, application scope has been enlarged.

Drawings

Fig. 1 is a schematic structural view of a direct pressure type jaw crusher of the present invention.

Detailed Description

The direct pressure jaw crusher according to the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

As shown in the figure, the direct-pressure jaw crusher comprises a fixed jaw body 1 which is arranged in a machine body and is provided with an abrasion-resistant plate, a movable jaw body 2 which is arranged in the machine body, is matched with the fixed jaw body and is also provided with the abrasion-resistant plate, an adjusting rod 3 with threads is hinged at the lower rear side of the fixed jaw body 1, a compression spring 4 is sleeved on the adjusting rod 3, the rear end of the adjusting rod 3 extends out of the machine body and enables the compression spring 4 to press on the machine body, the opposite surfaces of the movable jaw body 2 and the fixed jaw body 1 are provided with a V-shaped gap inclination angle which is formed to serve as a crushing cavity for crushing stone, namely the opposite surfaces of the movable jaw body 2 and the fixed jaw body 1 are obliquely arranged, a V-shaped opening is formed between the opposite surfaces, a feeding port which is positioned above the crushing cavity and a discharging port which is positioned below the crushing cavity are arranged on the machine body, the motion track of the movable jaw body 2 can be limited through the limiting device so as to keep a required motion range, the rear end of the movable jaw body 2 is arranged on an eccentric shaft 6 driven by a power device through a bearing 5, the power device is preferably a driving motor, the eccentric shaft 6 can rotate under the driving of the power device to drive the movable jaw body 2 to reciprocate relative to the fixed jaw body 1 under the limiting of the limiting device, meanwhile, stone entering a crushing cavity can be repeatedly extruded and crushed through the change of a V-shaped gap and is removed from the crushing cavity, as can be seen from the figure, the outer diameter of the eccentric shaft is smaller than the inner hole of the bearing, so that an eccentric motion can be formed between the eccentric shaft and the bearing in the circular motion process of the eccentric shaft, and finally, the eccentric shaft 6 is driven by the power device to make circular motion to drive the movable jaw body 2 to reciprocate relative to the fixed jaw body 1 under the limiting of, the reciprocating motion realizes that the V clearance formed by the opposite surfaces of the movable jaw body 2 and the fixed jaw body 1 is changed from big to small and from small to big so as to realize crushing operation, in particular, when the clearance between the jaw plate of the movable jaw body and the jaw plate of the fixed jaw body is changed when the movable jaw body does reciprocating motion, the stone entering the crushing cavity is extruded and crushed, when the clearance is enlarged, the crushed stone in the crushing cavity is moved downwards by the gravity, when the stone moves downwards to the position with limited included angle of the crushing cavity, the stone is not moved downwards, when the stone is extruded for the second time, the stone is crushed again, and so on until the stone is discharged out of the crushing cavity, thereby forming the purposes of continuous feeding, crushing and discharging, thereby realizing continuous crushing production.

Furthermore, a fixed jaw adjusting seat 7 located at the rear side of the fixed jaw body 1 is arranged on the machine body, an installation block 8 opposite to the fixed jaw adjusting seat 7 is arranged at the rear part of the fixed jaw body 1, a safety plate 9 is arranged between the installation block 8 and the fixed jaw adjusting seat 7, groove surfaces are respectively arranged between the installation block 8 and the fixed jaw adjusting seat 7, the safety plate 9 is arranged between the two groove surfaces, a right abrasion piece 10 is arranged in the groove surface of the installation block 8, a left abrasion piece 11 is arranged in the groove surface of the fixed jaw adjusting seat 7, and the safety plate 9 is arranged between the right abrasion piece 10 and the left abrasion piece 11.

Furthermore, the opposite surfaces of the fixed jaw body 1 and the movable jaw body 2 are respectively provided with a fixed block 12 with an inner inclined surface and a pressing block 13 with the same inner inclined surface, a dovetail groove structure for installing wear-resisting plates is formed between the fixed block 12 and the pressing block 13, the cross sections of the two wear-resisting plates are both in a dovetail structure and are respectively positioned and installed through the respective fixed block and the pressing block, when in use, the fixed block 12 on the fixed jaw body 1 is fixedly installed with the fixed jaw body 1, after the wear-resisting plates are arranged on the fixed jaw body 1, the whole dovetail structure is formed by pressing the pressing block 13, the fixed block 12 on the movable jaw body 2 is fixedly installed with the movable jaw body 2, after the wear-resisting plates are arranged on the movable jaw body 2, the whole dovetail structure is formed by pressing the pressing block 13, therefore, the installation can be conveniently carried out through the dovetail groove structure formed between the fixed block 12 and the, the pressing block 13 is provided with a series connection hole, a fastening piece sleeved with the compression spring 14 is connected in series in the series connection hole of the pressing block 13, as can be seen from the figure, the compression spring 14 is installed at the rear end of the fastening piece and locked through a nut, and the compression spring 14 is skillfully designed to always enable the wear-resisting plate of the fixed jaw body 1 and the wear-resisting plate of the movable jaw body 2 and the movable jaw body 2 to form higher pre-tightening force, so that looseness is prevented, and vibration is effectively reduced.

In addition, the limiting device comprises a positioning block 15 arranged on the movable jaw body 2 and positioned on one side of the wear-resisting plate, a supporting seat 16 arranged at the bottom of the machine body and a supporting piece 17 arranged between the positioning block 15 and the supporting seat 16, wherein both the positioning block 15 and the supporting seat 16 are provided with groove surfaces, the supporting piece 17 is arranged between the two groove surfaces, an upper wearing part 18 with a lower groove surface is arranged on the positioning block 15, a lower wearing part 19 with an upper groove surface is arranged on the supporting seat 16, the supporting piece 17 is arranged between the upper wearing part and the lower wearing part, of course, the limiting device also comprises a connecting rod 20 with threads and a buffer spring 21 which is hinged on the movable jaw body 2 and is sleeved on the connecting rod, the lower end of the connecting rod 20 extends out of the lower part of the machine frame and enables the buffer spring 21 to be pressed on the lower end of the machine frame, and the, the motion amplitude is prevented from being too large, and the use reliability is improved; in addition, the upper wearing part 18 can be detached from the positioning block 15, the lower wearing part 19 can be detached from the supporting seat 16, the upper wearing part 18 and the lower wearing part 19 are inevitably worn in the using process, through the detaching structural design, only the upper wearing part 18 and the lower wearing part 19 need to be detached and replaced after the wearing is generated, the positioning block 15 and the supporting seat 16 do not need to be detached, and the replacing efficiency is greatly improved.

Claims

1. A direct pressure type jaw crusher is characterized in that: comprises a fixed jaw body (1) which is arranged in a machine body and is provided with a wear-resisting plate, and a movable jaw body (2) which is arranged in the machine body, is matched with the fixed jaw body and is also provided with the wear-resisting plate, the opposite surfaces of the movable jaw body (2) and the fixed jaw body (1) are provided with an inclined angle of a formed V-shaped gap as a crushing cavity for crushing stone, a limiting device used for limiting the movement of the movable jaw body (2) is arranged between the movable jaw body (2) and the machine body, the rear end of the movable jaw body (2) is arranged on an eccentric shaft (6) driven by a power device through a bearing (5), the eccentric shaft (6) can rotate under the driving of the power device to drive the movable jaw body (2) to do reciprocating motion relative to the fixed jaw body (1) under the limit of the limit device, meanwhile, the stone entering the crushing cavity can be crushed for a plurality of times through the change of the V-shaped gap and is removed from the crushing cavity.

2. A direct pressure jaw crusher as claimed in claim 1, wherein: decide the back downside hinge of jaw body (1) and take screwed regulation pole (3), it has compression spring (4) to adjust pole (3) cover, the rear end of adjusting pole (3) stretches out outside the organism and makes compression spring (4) press on the organism.

3. A direct pressure jaw crusher as claimed in claim 1 or 2, characterized in that: the jaw fixing adjusting mechanism is characterized in that a fixed jaw adjusting seat (7) located on the rear side of a fixed jaw body (1) is arranged on the mechanism body, an installation block (8) opposite to the fixed jaw adjusting seat (7) is arranged at the rear portion of the fixed jaw body (1), a safety plate (9) is arranged between the installation block (8) and the fixed jaw adjusting seat (7), groove surfaces are arranged between the installation block (8) and the fixed jaw adjusting seat (7), and the safety plate (9) is arranged between the two groove surfaces.

4. A direct pressure jaw crusher as claimed in claim 3, wherein: a right abrasion part (10) is arranged in a groove surface of the mounting block (8), a left abrasion part (11) is arranged in a groove surface of the fixed jaw adjusting seat (7), and the safety plate (9) is arranged between the right abrasion part (10) and the left abrasion part (11).

5. A direct pressure jaw crusher as claimed in claim 1, 2 or 4, characterized in that: decide jaw body (1) and move the relative face of jaw body (2) and all set up fixed block (12) that have the inner inclined plane and briquetting (13) that have the inner inclined plane equally, form the dovetail structure that is used for installing the antifriction plate between fixed block (12) and briquetting (13), two the cross-section of antifriction plate all is dovetail structure and fixes a position the installation through respective fixed block and briquetting respectively.

6. A direct pressure jaw crusher as claimed in claim 5, wherein: the pressing block (13) is provided with a serial hole, and a fastener sleeved with a compression spring (14) is connected in series in the serial hole of the pressing block (13).

7. A direct pressure jaw crusher as claimed in claim 1, 2, 4 or 6, characterized in that: the limiting device comprises a positioning block (15) arranged on one side of the wear-resisting plate on the movable jaw body (2), a supporting seat (16) arranged at the bottom of the machine body and a supporting piece (17) arranged between the positioning block (15) and the supporting seat (16), groove surfaces are arranged between the positioning block (15) and the supporting seat (16), and the supporting piece (17) is arranged between the two groove surfaces.

8. The direct pressure jaw crusher of claim 7, wherein: an upper wearing part (18) with a lower groove surface is arranged on the positioning block (15), a lower wearing part (19) with an upper groove surface is arranged on the supporting seat (16), and the supporting part (17) is arranged between the upper wearing part and the lower wearing part.

9. The direct pressure jaw crusher of claim 8, wherein: the limiting device further comprises a connecting rod (20) which is hinged to the movable jaw body (2) and provided with threads, and a buffer spring (21) sleeved on the connecting rod, wherein the lower end of the connecting rod (20) extends out of the lower portion of the rack and enables the buffer spring (21) to be pressed at the lower end of the rack.