CN104941718A - Hydraulic cone crusher and fixed cone machining method thereof - Google Patents
Hydraulic cone crusher and fixed cone machining method thereof Download PDFInfo
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- CN104941718A CN104941718A CN201510430094.0A CN201510430094A CN104941718A CN 104941718 A CN104941718 A CN 104941718A CN 201510430094 A CN201510430094 A CN 201510430094A CN 104941718 A CN104941718 A CN 104941718A
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- cone
- crusher
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- wall
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Abstract
The invention discloses a hydraulic cone crusher and a fixed cone machining method thereof. The hydraulic cone crusher comprises a rolling mortar wall, a crushing wall, a movable cone and a lower rack. A crushing cavity is formed between the rolling mortar wall and the crushing wall. The crusher further comprises a fixed cone and an adjusting ring. The lower end of the fixed cone is conical, and the conical face of the fixed cone is tightly attached to the rolling mortar wall. The fixed cone is matched with the adjusting ring in a threaded mode and moves upwards and downwards through threaded rotating of the adjusting ring. The adjusting ring is provided with a locking ring with the self-locking function. The locking ring is connected with the fixed cone in a threaded mode. Compared with the prior art, the fixed cone is made of a ZG 40 Mn material, after the fixed cone is quenched and tempered, the overall strength is improved, the threaded surface hardness is improved, and the fixed cone is prevented from deformation caused by the crushing force in the production process of the crusher; a thread is prevented from being worn, damaged and jammed when rotating in the processes of adjusting a discharging opening through the fixed cone and replacing a component. By means of the crusher, the discharging opening can be adjusted in time, the component can be replaced, and thus normal production is guaranteed.
Description
Technical field
The present invention relates to a kind of mining machinery and manufacture field, particularly relate to a kind of hydro cone-crusher and determine the processing method of cone.
Background technology
Multicylinder hydraulic spindle breaker is the broken use equipment of mining.Main frame broken material be by main shaft assembly eccentric bushing forced to move under around a fixed axis swing campaign, thus leave the rolled mortar wall surface being packed in and determining in cone time close when making the crushing wall of gyratory crusher, ore is constantly impacted in crusher chamber, extruding and flecition and realize the fragmentation of ore.Material enters crusher chamber by the feed hopper being installed on top, is discharged after fragmentation by below discharge gate.
Main frame is in running broken material process, and the crushing force born because of rolled mortar wall can transmit given cone, determines cone and is out of shape because strength reasons causes determining cone.And after broken material, because crushing wall, rolled mortar wall wearing and tearing discharge gate can become large, causing crushing force to diminish, crushing effect reduces.In adjustment discharge gate process, according to threaded adjusting between cone distortion with rolled mortar wall, because determine cone distortion and screw thread pair bears the frictional force of determining cone and the generation of rolled mortar wall weight, wearing and tearing, pulling and kill phenomenon often appears in screw thread in adjustment process., there is the major accident that disintegrating machine stops production in the rolled mortar wall causing discharge gate can not adjust and can not more renew.
Summary of the invention
Object of the present invention is just to provide one to solve the problem, screw thread is avoided in adjustment process, often to occur wearing and tearing, pull the phenomenon of killing, make broken function adjust discharge gate in time or change part in time, ensure the normal hydro cone-crusher produced and the processing method of determining cone thereof.
To achieve these goals, the technical solution used in the present invention is: a kind of hydro cone-crusher, comprise rolled mortar wall, crushing wall, movable cone, lower bearing bracket, crusher chamber is formed between described rolled mortar wall, crushing wall, also comprise and determine cone and adjustment ring, it is described that to determine cone lower end be taper, and its conical surface and rolled mortar wall fit tightly, describedly determine cone and adjustment ring threaded engagement, and moved up and down by the screw thread rotation of adjustment ring, described adjustment ring has been provided with the retaining ring of self-locking action, described retaining ring with determine cone and be threaded.
As preferably, described crushing wall is fitted on movable cone.
As preferably, describedly determine cone and be assemblied on rolled mortar wall.
As preferably, described lower bearing bracket is provided with discharge gate.
As preferably, described crusher chamber is obliquely installed, and the upper end of described crusher chamber is charging aperture, and the lower end of crusher chamber is communicated with the discharge gate of lower bearing bracket.
As preferably, the described workpiece hardness determining cone is at least HBS260-300, and yield strength is at least 685MPa, and tensile strength is at least 835Mpa, adopts low-alloy steel cast steel to make.
A processing method for cone determined by hydro cone-crusher, and method step is as follows,
A. determine cone and adopt ZG40Mn low-alloy steel cast steel;
B. rough turn, allowance 5mm is stayed in each machined face, all acute angle roundings;
C. modifier treatment, hardening and tempering method is as follows, cone shove charge heating when furnace temperature is less than 300 DEG C will be determined, temperature rise is less than 80 DEG C/h, after being heated to 850 ± 5 DEG C of insulation 4 ~ 5h, put into oil quenching and be cooled to room temperature, workpiece hardness is greater than HRC50, and then will determine cone shove charge heating when furnace temperature is less than 200 DEG C, temperature rise is less than 100 DEG C/h, after being heated to 500 ± 10 DEG C of insulation 4 ~ 5h, cool to 300 DEG C with the furnace, air cooling of coming out of the stove, finally make its workpiece hardness reach more than HBS260-300, yield strength reaches more than 685MPa, and tensile strength reaches more than 835Mpa.
D. last finish turning, finish turning is to finished figure paper size, and finish turning rear thread surface roughness reaches 3.2 microns; Inner conical surface surface roughness reaches 6.3 microns, and inner conical surface and core diameter of thread axiality reach below 0.1mm; Drilling operating is proceeded to after all acute angle abates.
Compared with prior art, the invention has the advantages that: determine cone and select ZG40Mn low-alloy steel cast steel material, and by after modifier treatment, bulk strength improves, thread surface hardness improves, and in crusher in crushing production process, determining cone can not again because distortion appears in crushing force; When determining cone adjustment discharge gate and change part rotation screw thread, can not there are wearing and tearing, pull and kill phenomenon in screw thread again.Broken function adjusts discharge gate in time, normally changes the normal production of part guarantee.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, determine cone, 2, rolled mortar wall, 3, crushing wall, 4, movable cone, 5, adjustment ring, 6, retaining ring, 7, lower bearing bracket; 8, crusher chamber.
Detailed description of the invention
The invention will be further described below.
Embodiment: see Fig. 1, a kind of hydro cone-crusher, comprise rolled mortar wall 2, crushing wall 3, movable cone 4, lower bearing bracket 7, crusher chamber 8 is formed between described rolled mortar wall 2, crushing wall 3, also comprise and determine cone 1 and adjustment ring 5, it is described that to determine cone 1 lower end be taper, and its conical surface and rolled mortar wall 2 fit tightly, describedly determine cone 1 and adjustment ring 5 threaded engagement, and moved up and down by the screw thread rotation of adjustment ring 5, described adjustment ring 5 has been provided with the retaining ring 6 of self-locking action, described retaining ring 6 with determine cone 1 and be threaded.Described crushing wall 3 is fitted on movable cone 4, describedly determines cone 1 and is assemblied on rolled mortar wall 2.If crusher chamber 8 opening is comparatively large, can by the down adjustment of adjustment ring 5 and retaining ring 6, adjustment ring 5 drives determines cone 1 and rolls and move downward, tapered owing to determining cone 1 lower end, moves downward in process and can extrude, to reduce the opening of crusher chamber 8; If when crusher chamber 8 opening is less, in like manner by the up adjustment of adjustment ring 5 and retaining ring 6, reach the effect increasing crusher chamber 8 opening.For rolled mortar wall 2 and the replacing determining cone 1, also can exit and determine cone 1 and realize by unclamping adjustment ring 5 and retaining ring 6, make replacing operation simple, convenient, fast.Broken function adjusts discharge gate in time, normally changes the normal production of part guarantee.
Described lower bearing bracket 7 is provided with discharge gate, carries out discharge.Described crusher chamber 8 is obliquely installed, and material is discharged from discharge gate by deadweight, and the upper end of described crusher chamber 8 is charging aperture, and the lower end of crusher chamber 8 is communicated with the discharge gate of lower bearing bracket 7, directly slides to the discharge gate of lower bearing bracket 7 after crushing material for 8 times from crusher chamber.
The described workpiece hardness determining cone 1 is at least HBS260-300, and yield strength is at least 685MPa, and tensile strength is at least 835Mpa, and adopting low-alloy steel cast steel to make hydro cone-crusher, to determine the procedure of processing of cone as follows,
A. determine cone 1 and adopt ZG40Mn low-alloy steel cast steel;
B. rough turn, allowance 5mm is stayed in each machined face, all acute angle roundings, prevents the impact occurring distortion and stress in Tempering and Quenching process;
C. modifier treatment, hardening and tempering method is as follows, cone 1 shove charge heating when furnace temperature is less than 300 DEG C will be determined, temperature rise is less than 80 DEG C/h, after being heated to 850 ± 5 DEG C of insulation 4 ~ 5h, put into oil quenching and be cooled to room temperature, workpiece hardness is greater than HRC50, then cone 1 shove charge heating when furnace temperature is less than 200 DEG C will be determined, temperature rise is less than 100 DEG C/h, after being heated to 500 ± 10 DEG C of insulation 4 ~ 5h, cool to 300 DEG C with the furnace, to come out of the stove air cooling, pass through above-mentioned steps, its workpiece hardness is made to reach more than HBS260-300, yield strength reaches more than 685MPa, tensile strength reaches more than 835Mpa, make to determine the raising of cone 1 bulk strength by stating technique, thread surface hardness improves, in crusher in crushing production process, determining cone 1 just can not again because there is distortion in crushing force.Determine cone 1 regulate discharge gate and change part rotate screw thread time, screw thread just can not occur again wearing and tearing, pull and kill phenomenon.
D. last finish turning, finish turning is to finished figure paper size, and finish turning rear thread surface roughness reaches 3.2 microns; Inner conical surface surface roughness reaches 6.3 microns, inner conical surface and core diameter of thread axiality reach below 0.1mm, determine cone 1 surface by strict required precision, guarantee that determining cone 1 again because distortion appears in crushing force, can not can not occur wearing and tearing, pull and kill phenomenon again.Drilling operating car is proceeded to after all acute angle abates.
By test of many times, the present invention is in adjustment discharge gate process, and the screw thread determining in cone 1 does not occur wearing and tearing again, pulls the phenomenon of killing.
Above exhaustive presentation is carried out to a kind of hydro cone-crusher provided by the present invention and the processing method of determining cone thereof, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, to change of the present invention and improve will be possible, and design and the scope of accessory claim defined can not be exceeded, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. a hydro cone-crusher, comprise rolled mortar wall, crushing wall, movable cone, lower bearing bracket, crusher chamber is formed between described rolled mortar wall, crushing wall, it is characterized in that: also comprise and determine cone and adjustment ring, described to determine cone lower end be taper, and its conical surface and rolled mortar wall fit tightly, describedly determine cone and adjustment ring threaded engagement, and moved up and down by the screw thread rotation of adjustment ring, described adjustment ring has been provided with the retaining ring of self-locking action, described retaining ring with determine cone and be threaded.
2. a kind of hydro cone-crusher according to claim 1, is characterized in that: described crushing wall is fitted on movable cone.
3. a kind of hydro cone-crusher according to claim 1, is characterized in that: describedly determine cone and be assemblied on rolled mortar wall.
4. a kind of hydro cone-crusher according to claim 1, is characterized in that: described lower bearing bracket is provided with discharge gate.
5. a kind of hydro cone-crusher according to claim 4, is characterized in that: described crusher chamber is obliquely installed, and the upper end of described crusher chamber is charging aperture, and the lower end of crusher chamber is communicated with the discharge gate of lower bearing bracket.
6. a kind of hydro cone-crusher according to claim 1, is characterized in that: the described workpiece hardness determining cone is at least HBS260-300, and yield strength is at least 685MPa, and tensile strength is at least 835Mpa, adopts low-alloy steel cast steel to make.
7. a processing method for cone determined by hydro cone-crusher, it is characterized in that: method step is as follows,
A. determine cone and adopt ZG40Mn low-alloy steel cast steel;
B. rough turn, allowance 5mm is stayed in each machined face, all acute angle roundings;
C. modifier treatment, make its workpiece hardness reach more than HBS260-300, yield strength reaches more than 685MPa, and tensile strength reaches more than 835Mpa;
D. last finish turning.
8. the processing method of cone determined by a kind of hydro cone-crusher according to claim 7, it is characterized in that: in step c, hardening and tempering method is as follows, cone shove charge heating when furnace temperature is less than 300 DEG C will be determined, temperature rise is less than 80 DEG C/h, after being heated to 850 ± 5 DEG C of insulation 4 ~ 5h, put into oil quenching and be cooled to room temperature, workpiece hardness is greater than HRC50, then will determine cone shove charge heating when furnace temperature is less than 200 DEG C, temperature rise is less than 100 DEG C/h, after being heated to 500 ± 10 DEG C of insulation 4 ~ 5h, cool to 300 DEG C with the furnace, air cooling of coming out of the stove.
9. the processing method of cone determined by a kind of hydro cone-crusher according to claim 7, it is characterized in that: in steps d, finish turning rear thread surface roughness reaches 3.2 microns, inner conical surface surface roughness reaches 6.3 microns, inner conical surface and core diameter of thread axiality reach below 0.1mm, proceed to drilling operating after all acute angle abates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430094.0A CN104941718A (en) | 2015-07-21 | 2015-07-21 | Hydraulic cone crusher and fixed cone machining method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430094.0A CN104941718A (en) | 2015-07-21 | 2015-07-21 | Hydraulic cone crusher and fixed cone machining method thereof |
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| CN104941718A true CN104941718A (en) | 2015-09-30 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6032886A (en) * | 1999-03-18 | 2000-03-07 | Johnson Crushers International | Adjustment for rock crusher |
| CN2619716Y (en) * | 2003-06-27 | 2004-06-09 | 沈阳工业学院 | Conic crusher |
| CN103273285A (en) * | 2013-05-29 | 2013-09-04 | 宁波东湖液压传动有限公司 | Method for machining inner gear ring |
| CN103464991A (en) * | 2013-09-18 | 2013-12-25 | 江国辉 | Gear ring machining process |
| CN203678429U (en) * | 2013-12-31 | 2014-07-02 | 海盐机械厂 | Throat positioning mechanism in cone crusher |
| CN204816644U (en) * | 2015-07-21 | 2015-12-02 | 成都大宏立机器股份有限公司 | Hydro cone crusher |
-
2015
- 2015-07-21 CN CN201510430094.0A patent/CN104941718A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6032886A (en) * | 1999-03-18 | 2000-03-07 | Johnson Crushers International | Adjustment for rock crusher |
| CN2619716Y (en) * | 2003-06-27 | 2004-06-09 | 沈阳工业学院 | Conic crusher |
| CN103273285A (en) * | 2013-05-29 | 2013-09-04 | 宁波东湖液压传动有限公司 | Method for machining inner gear ring |
| CN103464991A (en) * | 2013-09-18 | 2013-12-25 | 江国辉 | Gear ring machining process |
| CN203678429U (en) * | 2013-12-31 | 2014-07-02 | 海盐机械厂 | Throat positioning mechanism in cone crusher |
| CN204816644U (en) * | 2015-07-21 | 2015-12-02 | 成都大宏立机器股份有限公司 | Hydro cone crusher |
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Application publication date: 20150930 |