CN111468215A - Jaw crusher - Google Patents
Jaw crusher Download PDFInfo
- Publication number
- CN111468215A CN111468215A CN202010418953.5A CN202010418953A CN111468215A CN 111468215 A CN111468215 A CN 111468215A CN 202010418953 A CN202010418953 A CN 202010418953A CN 111468215 A CN111468215 A CN 111468215A
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- Prior art keywords
- jaw
- movable jaw
- toggle plate
- fixed
- seat
- Prior art date
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- 239000000463 material Substances 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000007689 inspection Methods 0.000 claims description 16
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 12
- 230000006872 improvement Effects 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/025—Jaw clearance or overload control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/007—Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides a jaw crusher, relates to the technical field of crushing equipment, and solves the technical problem of limited particle size adjusting range. The jaw crusher comprises a rack, a movable jaw, a fixed jaw, a rotary driving device, a first toothed plate, a second toothed plate and a pushing device, wherein the movable jaw and the fixed jaw are oppositely arranged on the rack, a crushing area is formed between the movable jaw and the fixed jaw, and the first toothed plate and the second toothed plate are respectively arranged on one side of the fixed jaw opposite to the movable jaw; the rotary driving device is in transmission connection with the upper part of the movable jaw to drive the movable jaw to move close to, away from and up and down relative to the fixed jaw; one end of the pushing device is fixed on the frame, and the other end of the pushing device is rotatably abutted against the lower part of the movable jaw; still including setting up the reduction of distance subassembly between bazoon and first pinion rack, through reducing apart from the subassembly and reduce the broken district width between hubei and the bazoon. The invention is used for crushing materials, realizes the adjustment of the grain diameter of discharged materials through the distance reducing component, and has the characteristic of large adjustment range because the distance reducing component is arranged on one side of the quota.
Description
Technical Field
The invention relates to the technical field of crushing equipment, in particular to a jaw crusher.
Background
The jaw crusher is the most common crusher, is widely used for crushing hard and medium hard materials in mining, metallurgy, building, chemical industry and other departments, is most suitable for coarse crushing and medium crushing of ore in dressing plants and raw materials in chemical plants, and is widely used due to simple structure, reliable operation, easy manufacture, convenient maintenance and low cost. The existing construction waste disposal line has the advantages that the first procedure is to use a jaw crusher to perform primary crushing, and the procedure is very important and directly influences the efficiency of subsequent procedures. In the compound pendulum type jaw crusher commonly used in the market at present, a movable jaw is directly hung on an eccentric shaft and is directly driven by the eccentric shaft. The bottom of the movable jaw is supported on the rear wall of the frame by a thrust toggle plate. When the eccentric shaft rotates, the movable jaw swings back and forth on one side of the eccentric shaft to the fixed jaw, and meanwhile, the movable jaw can move up and down to a great extent relative to the fixed jaw under the action of the eccentric shaft.
The applicant has found that the prior art has at least the following technical problems:
in order to meet production requirements and reduce the pressure of subsequent production processes, the crushing amount of a jaw crusher is required to be large, the crushed particle size is required to be as small as possible, and a common jaw crusher in the market adjusts the crushed particle size by adjusting a thrust toggle plate at the lower part of a movable jaw to a fixed jaw direction, so that the distance between the movable jaw and the fixed jaw is reduced to adjust the crushed particle size, but the adjusted jaw crusher has the following problems: 1. when the thrust toggle plate is adjusted forwards, the adjusting range is limited under the influence of the distance between the toggle plate fixing frame and the movable jaw, and the discharged material granularity cannot meet the requirement; 2. the included angle between the forward and backward thrust toggle plate and the spring seat is changed, so that the problem that the toggle plate is broken due to repeated collision between the toggle plate and the spring seat is easily caused when the toggle plate moves; 3. the prior toggle plate is placed in the toggle plate seat for dry friction, and the abrasion is serious; 4. the feeding port and the discharging position of the crusher are both open structures, so that dust is easy to raise and influence the environment; 5. the jaw crusher is arranged in a pit and is not convenient for inspection in production.
Disclosure of Invention
The invention aims to provide a jaw crusher to solve the technical problem that the particle size adjusting range is limited in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a jaw crusher, which comprises a rack, a movable jaw, a fixed jaw, a rotary driving device, a first toothed plate, a second toothed plate and a pushing device, wherein the movable jaw and the fixed jaw are oppositely arranged on the rack, a crushing area is formed between the movable jaw and the fixed jaw, and the first toothed plate and the second toothed plate are respectively arranged on one opposite side of the fixed jaw and the movable jaw and used for extruding and crushing materials; the rotary driving device is in transmission connection with the upper part of the movable jaw to drive the movable jaw to move close to, away from and move up and down relative to the fixed jaw; one end of the pushing device is fixed on the rack, and the other end of the pushing device is rotatably abutted against the lower part of the movable jaw; the first toothed plate is arranged on the movable jaw, and the distance reducing component is arranged between the fixed jaw and the first toothed plate and used for reducing the width of a crushing area between the movable jaw and the fixed jaw.
On the basis of the technical scheme, the invention can be further improved as follows.
As a further improvement of the present invention, the distance reducing component includes a plurality of thickened steel plates with different thicknesses and a supporting wedge, the thickened steel plates are mounted between the jaw and the first toothed plate in an alternative or combined and overlapped manner, and the supporting wedge is disposed at the bottom of the thickened steel plates.
As a further improvement of the invention, the top of the supporting wedge block is provided with a limiting slope, the number of the supporting wedge blocks is multiple, the position of the limiting slope at the top of each supporting wedge block is different, and the distance from the lowest point of the limiting slope to the edge of the supporting wedge block is equal to the thickness of one thickened steel plate or multiple thickened steel plates.
As a further improvement of the invention, the pushing device comprises an upper toggle plate fixing frame, an upper toggle plate seat, a thrust toggle plate and a lower toggle plate seat, wherein the upper toggle plate seat is installed on the rack through the upper toggle plate fixing frame, the lower toggle plate seat is installed on the movable jaw, and two ends of the thrust toggle plate are respectively and rotatably clamped in grooves of the upper toggle plate seat and the lower toggle plate seat; and the upper toggle plate seat and the lower toggle plate seat are respectively provided with a lubricating oil path for lubricating the thrust toggle plate.
As a further improvement of the invention, the pushing device further comprises a spring seat, a tensioning screw, a pressure spring, a locking piece and an anti-falling cover, wherein one end of the tensioning screw is hinged to the bottom of the movable jaw, the other end of the tensioning screw penetrates through an elliptical hole in the spring seat and then is connected with the locking piece, the pressure spring is sleeved on the tensioning screw between the spring seat and the locking piece, and the distance between the spring seat and the locking piece is smaller than the natural length of the pressure spring; the anti-falling cover is fixed on the rack and is located at the position of the extension line at the tail end of the tensioning screw rod.
As a further improvement of the invention, the pushing device further comprises an opening bias pad which is sleeved on the tensioning screw rod and is positioned between the pressure spring and the spring seat.
As a further improvement of the jaw crusher, the jaw crusher further comprises an inspection platform which is suspended at the top of the jaw crusher and close to the feeding port, and a top dust suction device for purifying dust at the feeding port is arranged beside the inspection platform.
As a further improvement of the jaw crusher, a discharge port is formed in the bottom of the jaw crusher, a conveying belt line is arranged on the lower portion of the discharge port, and a material guide assembly capable of guiding and decelerating materials is mounted on the discharge port.
As a further improvement of the invention, lower dust suction devices are respectively arranged on the front side and the rear side of the material guiding component on the conveying belt line.
As a further improvement of the invention, a material blocking part is arranged at the rear part of the movable jaw above the thrust toggle plate.
Compared with the prior art, the invention has the following beneficial effects:
according to the jaw crusher provided by the invention, the distance reducing component is additionally arranged on one side of the jaw clamp, so that the width of a crushing area of the jaw crusher can be reduced, the discharged particle size is reduced, and the jaw clamp is free from any structural limitation on one side of the jaw clamp, so that different discharged particle sizes can be adjusted by adopting distance reducing components with different thicknesses, and the jaw crusher has the characteristic of large adjustment range; the thickened steel plate and the first toothed plate are supported and fixed by arranging the supporting wedge block, and the supporting wedge block is provided with the limiting slope, so that the slope is used for limiting, and the structure is simple; the lubricating oil way is arranged on the upper elbow plate seat and the lower elbow plate seat, so that the thrust toggle plates positioned in the upper elbow plate seat and the lower elbow plate seat can be lubricated, the abrasion of the toggle plates is reduced, the service life of the toggle plates is prolonged, and the rotation of the thrust toggle plates is facilitated; the oval hole is formed in the spring seat, so that the tensioning screw rod can conveniently move back and forth and up and down, the collision between the tensioning screw rod and the spring seat during movement is avoided, and the risk of breaking the tensioning screw rod is reduced; by arranging the anti-drop cover, the tension screw can be shielded by the anti-drop cover when being broken and flying out, so that the personnel or other people are prevented from being injured by flying out of equipment; by arranging the opening deflection pad, the contact area between the pressure spring and the tensioning screw rod is increased, the right-angle relation between the tensioning screw rod and the spring seat is kept as much as possible, the force of the pressure spring is uniformly distributed and uniformly stressed as much as possible, and the service life of the tensioning screw rod is prolonged; the inspection platform is arranged at the top of the jaw crusher, so that an inspector can conveniently walk to the top of the jaw crusher from the edge of the pit through the inspection platform to observe the feeding port; the top dust suction device is arranged beside the inspection platform, so that dust which is blown out from the material inlet can be recovered, the dust which is scattered outside is reduced, the environmental pollution is reduced, and the requirement of environmental protection is met; the material guide assembly is arranged between the discharge port and the conveying belt line, and discharged materials are conveyed to the conveying belt line after being turned for the first time or the second time, so that the damage to the belt line caused by directly hitting the materials on the conveying belt line is avoided, the output speed of the materials can be reduced, and the generation amount of dust is reduced; through all set up the dust absorption transport of lower part dust extraction when the ejection of compact as far as around the guide subassembly, reduce environmental pollution, accord with the environmental protection requirement, through set up the fender material spare in thrust bracket top, can block the material that falls into when broken, prevent to fall into on the thrust bracket, avoid the pivot point between thrust bracket and the bracket to get into the foreign matter, can guarantee the free rotation of thrust bracket.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the jaw crusher of the present invention;
FIG. 2 is a cross-sectional view of a support wedge in the jaw crusher of the present invention;
FIG. 3 is a schematic view of the upper toggle plate mount of the jaw crusher of the present invention as viewed from one end in the lengthwise direction;
fig. 4 is a schematic view of the upper toggle plate holder of the jaw crusher of the present invention as seen from the side of the recess.
In the figure, 1, a jaw is moved; 2. setting a jaw; 3. a rotation driving device; 4. a first toothed plate; 5. a second toothed plate; 6. a pushing device; 61. an upper toggle plate fixing frame; 62. an upper toggle plate seat; 63. a thrust toggle plate; 64. a lower elbow plate seat; 65. a lubrication oil path; 66. a spring seat; 67. tensioning the lead screw; 68. an anti-drop cover; 69. an opening deflection pad; 7. a distance reducing assembly; 71. thickening a steel plate; 72. supporting a wedge block; 8. an inspection platform; 9. a top dust extraction device; 10. a material guiding assembly; 11. a lower dust suction device; 12. a material blocking part; 100. a crushing zone; 200. a conveyor belt line.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
As shown in fig. 1, the invention provides a jaw crusher, which comprises a frame, a movable jaw 1, a fixed jaw 2, a rotary driving device 3, a first toothed plate 4, a second toothed plate 5 and a pushing device 6, wherein the movable jaw 1 and the fixed jaw 2 are oppositely arranged on the frame, a crushing area 100 is formed between the movable jaw 1 and the fixed jaw 2, and the first toothed plate 4 and the second toothed plate 5 are respectively arranged on one opposite sides of the fixed jaw 2 and the movable jaw 1 and used for crushing materials in an extruding manner; the rotary driving device 3 is in transmission connection with the upper part of the movable jaw 1 to drive the movable jaw 1 to move close to, away from and up and down relative to the fixed jaw 2; it should be noted that the rotation driving device 3 is an eccentric wheel structure, which is the same as the structure in the prior art; one end of the pushing device 6 is fixed on the frame, and the other end is rotatably abutted against the lower part of the movable jaw 1; and further includes a distance reducing assembly 7 disposed between the jaw 2 and the first tooth plate 4, whereby the width of the crushing zone 100 between the jaw 1 and the jaw 2 is reduced by the distance reducing assembly 7.
As an alternative embodiment, the distance-reducing assembly 7 comprises a plurality of thickened steel plates 71 with different thicknesses and a supporting wedge 72, the thickened steel plates 71 are alternatively or in combination and overlapped and installed between the jaw 2 and the first tooth plate 4, and the supporting wedge 72 is arranged at the bottom of the thickened steel plates 71.
As shown in fig. 2, further, the top of the supporting wedge 72 has a limiting slope, the number of the supporting wedges 72 is multiple, the position of the limiting slope at the top of each supporting wedge 72 is different, and the distance from the lowest point of the limiting slope to the edge of the supporting wedge 72 is equal to the thickness of one thickened steel plate 71 or multiple thickened steel plates 71.
As shown in fig. 3 and 4, as an alternative embodiment, the pushing device 6 includes an upper toggle plate holder 61, an upper toggle plate seat 62, a pushing toggle plate 63 and a lower toggle plate seat 64, the upper toggle plate seat 62 is mounted on the frame through the upper toggle plate holder 61, the lower toggle plate seat 64 is mounted on the movable jaw 1, and two ends of the pushing toggle plate 63 are rotatably clamped in the grooves of the upper toggle plate seat 62 and the lower toggle plate seat 64, respectively; the upper toggle plate holder 62 and the lower toggle plate holder 64 are also provided with lubricating oil passages 65 for lubricating the thrust toggle plates 63, respectively. It should be noted that, in the present invention, the overall structure of the pushing device 6 is not improved, and the pushing device includes an upper and lower toggle plate seat structure, and the improvement of the present invention is that a lubricating oil path 65 is formed in the upper toggle plate seat 62 and the lower toggle plate seat 64, wherein the lubricating oil path 65 includes a first oil path formed along the length direction of the upper and lower toggle plate seats and a second oil path formed along the thickness direction of the upper and lower toggle plate seats, the first oil path is communicated with the second oil path, and the end of the first oil path extends to the edge of the upper and lower toggle plate seats to form an oil inlet, and the end of the second oil path extends to a groove for clamping the thrust toggle plate 63 to lubricate the thrust toggle plate 63. Because the length of the thrust toggle plate 63 is equivalent to that of the movable jaw 1, and the width is large, in order to improve the lubricating effect, the first section of oil way can be arranged along the inward extension of the two ends of the upper and lower toggle plate seats, and the second section of oil way can be arranged in a plurality of ways and is uniformly arranged along the length direction of the groove. The attached drawings only show the technical scheme of arranging two sections of first section oil ways and two sections of second section oil ways.
As an optional implementation manner, the pushing device 6 further comprises a spring seat 66, a tensioning screw 67, a pressure spring, a locking member and an anti-drop cover 68, one end of the tensioning screw 67 is hinged to the bottom of the movable jaw 1, the other end of the tensioning screw 67 penetrates through an elliptical hole in the spring seat 66 and then is connected with the locking member, the pressure spring is sleeved on the tensioning screw 67 between the spring seat 66 and the locking member, and the distance between the spring seat 66 and the locking member is smaller than the natural length of the pressure spring; the anti-drop cover 68 is fixed on the frame and is located at the extension line position of the tail end of the tensioning screw 67.
Further, the pushing device 6 further includes an opening bias pad 69 sleeved on the tensioning screw 67 and located between the compression spring and the spring seat 66.
The opening bias pad 69 is thicker at one end and thinner at the other end, and the vertical relationship between the tension screw 67 and the spring seat 66 is ensured by the opening bias pad 69, although the pushing device 6 may not be provided with the opening bias pad 69.
The jaw crusher also comprises an inspection platform 8 which is suspended at the top of the jaw crusher and close to the feeding port, and a top dust suction device 9 for purifying dust at the feeding port is arranged beside the inspection platform 8.
Specifically, the beginning end of the inspection platform 8 is fixed on the edge of a pit at the top of the jaw crusher, and the tail end of the inspection platform 8 extends to the position near a top feeding port of the jaw crusher.
The bottom of the jaw crusher is provided with a discharge port, the lower part of the discharge port is provided with a conveying belt line 200, and the discharge port is provided with a material guide assembly 10 capable of guiding and decelerating materials.
Specifically, the material guiding assembly 10 is of a one-section or multi-section cylindrical bending structure, an inlet of the material guiding assembly 10 is connected with a discharge port of the jaw crusher, the discharge port of the jaw crusher is vertically downward, an outlet of the material guiding assembly 10 is horizontally arranged or close to the horizontal, and the material can be conveyed into the conveying belt line 200 after being turned to 90 degrees or close to 90 degrees through the material guiding assembly 10. The exit of the guide assembly 10 is at an angle of less than 30 degrees, preferably less than 10 degrees, to the horizontal when it is near horizontal.
Further, a lower dust suction device 11 is respectively disposed on the front side and the rear side of the material guiding assembly 10 on the conveyor belt line 200.
It should be further noted that the top dust collector 9 and the lower dust collector 11 both comprise a dust hood, a dust collection pipeline and an exhaust fan which are sequentially connected, wherein the dust hood of the top dust collector 9 vertically faces downwards to a feed inlet of the jaw crusher; the dust hood of the lower dust suction device 11 is vertically downward opposite to the belt surface of the conveying belt line 200; a belt cover is arranged above the conveying belt line 200, a dust suction cover of the lower dust suction device 11 is arranged on the belt cover, and the lower end of the material guide assembly 10 penetrates through the belt cover and then extends to the position above the conveying belt line 200.
The rear part of the movable jaw 1 is provided with a material blocking part 12 above the thrust toggle plate 63.
Specifically, the material blocking member 12 is plate-shaped and made of flexible rubber material, and two ends of the material blocking member 12 are respectively connected with the rear side of the movable jaw 1 and the upper toggle plate fixing frame 61. The width of the material blocking part 12 is larger than the maximum distance between the movable jaw 1 and the upper toggle plate fixing frame 61.
According to the jaw crusher provided by the invention, the distance reducing component is additionally arranged on one side of the jaw clamp, so that the width of a crushing area of the jaw crusher can be reduced, the discharged particle size is reduced, and the jaw clamp is free from any structural limitation on one side of the jaw clamp, so that different discharged particle sizes can be adjusted by adopting distance reducing components with different thicknesses, and the jaw crusher has the characteristic of large adjustment range; the thickened steel plate and the first toothed plate are supported and fixed by arranging the supporting wedge block, and the supporting wedge block is provided with the limiting slope, so that the slope is used for limiting, and the structure is simple; the lubricating oil way is arranged on the upper elbow plate seat and the lower elbow plate seat, so that the thrust toggle plates positioned in the upper elbow plate seat and the lower elbow plate seat can be lubricated, the abrasion of the toggle plates is reduced, the service life of the toggle plates is prolonged, and the rotation of the thrust toggle plates is facilitated; the oval hole is formed in the spring seat, so that the tensioning screw rod can conveniently move back and forth and up and down, the collision between the tensioning screw rod and the spring seat during movement is avoided, and the risk of breaking the tensioning screw rod is reduced; by arranging the anti-drop cover, the tension screw can be shielded by the anti-drop cover when being broken and flying out, so that the personnel or other people are prevented from being injured by flying out of equipment; by arranging the opening deflection pad, the contact area between the pressure spring and the tensioning screw rod is increased, the right-angle relation between the tensioning screw rod and the spring seat is kept as much as possible, the force of the pressure spring is uniformly distributed and uniformly stressed as much as possible, and the service life of the tensioning screw rod is prolonged; the inspection platform is arranged at the top of the jaw crusher, so that an inspector can conveniently walk to the top of the jaw crusher from the edge of the pit through the inspection platform to observe the feeding port; the top dust suction device is arranged beside the inspection platform, so that dust which is blown out from the material inlet can be recovered, the dust which is scattered outside is reduced, the environmental pollution is reduced, and the requirement of environmental protection is met; the material guide assembly is arranged between the discharge port and the conveying belt line, and discharged materials are conveyed to the conveying belt line after being turned for the first time or the second time, so that the damage to the belt line caused by directly hitting the materials on the conveying belt line is avoided, the output speed of the materials can be reduced, and the generation amount of dust is reduced; through all set up the dust absorption transport of lower part dust extraction when the ejection of compact as far as around the guide subassembly, reduce environmental pollution, accord with the environmental protection requirement, through set up the fender material spare in thrust bracket top, can block the material that falls into when broken, prevent to fall into on the thrust bracket, avoid the pivot point between thrust bracket and the bracket to get into the foreign matter, can guarantee the free rotation of thrust bracket. The invention reduces the diameter of the crushed material on the premise of not reducing the yield, is durable, meets the requirement of continuous production and solves the problems of the prior equipment.
It should be noted that "inward" is a direction toward the center of the accommodating space, and "outward" is a direction away from the center of the accommodating space.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in fig. 1 to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A jaw crusher is characterized by comprising a rack, a movable jaw, a fixed jaw, a rotary driving device, a first toothed plate, a second toothed plate and a pushing device, wherein the movable jaw and the fixed jaw are oppositely arranged on the rack, a crushing area is formed between the movable jaw and the fixed jaw, and the first toothed plate and the second toothed plate are respectively arranged on one side, opposite to the fixed jaw and the movable jaw, of the fixed jaw and used for extruding and crushing materials; the rotary driving device is in transmission connection with the upper part of the movable jaw to drive the movable jaw to move close to, away from and move up and down relative to the fixed jaw; one end of the pushing device is fixed on the rack, and the other end of the pushing device is rotatably abutted against the lower part of the movable jaw; the first toothed plate is arranged on the movable jaw, and the distance reducing component is arranged between the fixed jaw and the first toothed plate and used for reducing the width of a crushing area between the movable jaw and the fixed jaw.
2. The jaw crusher of claim 1, wherein the distance reducing assembly comprises a plurality of thickened steel plates of different thicknesses and a support wedge, the thickened steel plates are mounted between the jaw and the first toothed plate in an alternative or combined overlapping manner, and the support wedge is disposed at the bottom of the thickened steel plates.
3. The jaw crusher of claim 2 wherein said support wedge top has a plurality of stop ramps, said stop ramps are located at different positions on the top of each said support wedge, and the distance from the lowest point of said stop ramp to the edge of said support wedge is equal to the thickness of said thickened steel plate or plates.
4. The jaw crusher of claim 1, wherein the pushing device comprises an upper toggle plate holder, an upper toggle plate seat, a thrust toggle plate and a lower toggle plate seat, the upper toggle plate seat is mounted on the frame through the upper toggle plate holder, the lower toggle plate seat is mounted on the movable jaw, and two ends of the thrust toggle plate are rotatably clamped in grooves of the upper toggle plate seat and the lower toggle plate seat respectively; and the upper toggle plate seat and the lower toggle plate seat are respectively provided with a lubricating oil path for lubricating the thrust toggle plate.
5. The jaw crusher of claim 4, wherein the pushing device further comprises a spring seat, a tensioning screw, a pressure spring, a locking member and an anti-falling cover, one end of the tensioning screw is hinged to the bottom of the movable jaw, the other end of the tensioning screw penetrates through an elliptical hole in the spring seat and then is connected with the locking member, the pressure spring is sleeved on the tensioning screw between the spring seat and the locking member, and the distance between the spring seat and the locking member is smaller than the natural length of the pressure spring; the anti-falling cover is fixed on the rack and is located at the position of the extension line at the tail end of the tensioning screw rod.
6. The jaw crusher of claim 5, wherein the pusher further comprises an open bias pad disposed on the tension screw and between the compression spring and the spring seat.
7. The jaw crusher of claim 1 further comprising an inspection platform suspended at a top thereof adjacent the inlet, said inspection platform being flanked by a top dust extraction device for cleaning dust at the inlet.
8. The jaw crusher of claim 7, wherein the jaw crusher has a discharge port at the bottom thereof, a conveyor belt line is disposed at the lower part of the discharge port, and a material guiding assembly capable of guiding and decelerating the material is mounted on the discharge port.
9. The jaw crusher of claim 8, wherein lower dust suction devices are respectively provided on the conveyor belt line at the front side and the rear side of the material guide assembly.
10. The jaw crusher of claim 4 wherein a stop is provided at the rear of the jaw above the thrust toggle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418953.5A CN111468215A (en) | 2020-05-18 | 2020-05-18 | Jaw crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418953.5A CN111468215A (en) | 2020-05-18 | 2020-05-18 | Jaw crusher |
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| CN111468215A true CN111468215A (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010418953.5A Pending CN111468215A (en) | 2020-05-18 | 2020-05-18 | Jaw crusher |
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