CN202942906U - Split movable jaw capable of correcting tolerance fit dimension - Google Patents
Split movable jaw capable of correcting tolerance fit dimension Download PDFInfo
- Publication number
- CN202942906U CN202942906U CN 201220530825 CN201220530825U CN202942906U CN 202942906 U CN202942906 U CN 202942906U CN 201220530825 CN201220530825 CN 201220530825 CN 201220530825 U CN201220530825 U CN 201220530825U CN 202942906 U CN202942906 U CN 202942906U
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- China
- Prior art keywords
- movable jaw
- moving jaw
- tolerance fit
- split
- jaw
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- Expired - Fee Related
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Abstract
The utility model discloses a split movable jaw capable of correcting tolerance fit dimension. The split movable jaw comprises a movable jaw body, wherein an axle hole matched with an eccentric drive shaft is formed at the upper end of the movable jaw body; the movable jaw is of a structure which is separated into two half bodies along the vertical central line; the two half movable jaws are provided with at least one gasket between the joint surfaces of the two half movable jaws; and the two half movable jaws are connected into a piece through a fastening bolt. According to the split movable jaw, an 'integral structure' design of a movable jaw in the prior art is replaced by utilizing a'two-half split structure'design of the movable jaw structure, so that the assembly process of the movable jaw and a bearing can be changed, and complicated traditional assembly process, such as 'press fitting' or'hot charging', can be saved; and furthermore, the tolerance fit dimension generated by abrasion can be corrected by reducing 'gasket' when the movable jaw is maintained, time and troubles can be saved, maintenance is facilitated, and the service life of the movable jaw can be prolonged.
Description
Technical field,
The utility model relates to disintegrating machine accessory technical field, more specifically says a kind of split type moving jaw of revising the tolerance fit size.
Background technology
Jaw crusher is commonly called as jaw broken, forms crusher chamber by sewing jaw and two jaws of fixed jaw, and two jaw movements of simulated animal and complete the disintegrating machine of material crushing operation.The motion of sewing jaw relies on moving jaw work to complete, therefore moving jaw is one of parts important in disintegrating machine.
The moving jaw structure of prior art is as follows: as shown in Figure 1, comprise moving jaw body 1, the upper end of moving jaw body 1 is provided with the axis hole 2 that matches with eccentric drive shaft, and moving jaw body 1 comprises that its upper shaft hole 2 all is made into one.
There is following drawback in the moving jaw of this traditional overall structure:
1. mounting process is complicated.Because moving jaw and bearing are the interference tolerance fit, to press-fit with press during installation; Perhaps with the moving gnathosoma of heating method heating, then utilize principle of expanding with heat and contracting with cold that bearing is installed.No matter use the sort of method, mounting process is all very complicated and difficult.
2. maintenance cost is high.Because moving jaw and bearing must be interference fit, the size of interference in use because of various reasons, can be worn and torn and fluff by play also with regard to several (a few percent millimeters), it makes up method: at the dead eye inner peripheral surface heap electric welding last layer metal charge of moving jaw, then restore after metalworking.This method both bothered (just to several sizes), increased again cost.
3. applicability is little.
Along with updating of disintegrating machine technology, the integrally-built moving jaw of prior art can not adapt to new operating mode.Such as the applicant at front " single-shaft double-crank-rocker mechanism disintegrating machine " (application number 201110092010.9) of having applied for, to hang again a bearing liner in the middle part of single eccentric drive shaft, in order to settle simultaneously two moving jaws, the moving jaw of the overall structure of prior art can't be installed the moving jaw that mediates.
The utility model content
The purpose of this utility model is to overcome the defects of the moving jaw of prior art, and a kind of simple in structure, easy to maintenance, split type moving jaw that suitability is good is provided.
In order to reach above purpose, the utility model is achieved through the following technical solutions: a kind of split type moving jaw of revising the tolerance fit size, comprise moving jaw body, the upper end of moving jaw body is provided with the axis hole that matches with eccentric drive shaft, it is characterized in that, described moving jaw body is along its vertical center line fabricated structure of body in two; Described halved body is provided with one deck pad at least between its faying face.
The technical solution of the utility model is: be the halved body split combination structure with the integral type cast molding structural design of the moving jaw body of prior art, at the halved body faying face, pad is set again, realizing the space fine-adjusting between two splits, thereby can regulate the fit tolerance size of dead eye.
The utility model has three large significantly architectural features: 1. moving jaw body is constituted by halved body; 2. pad is set between halved body; 3. halved body is linked into an integrated entity by fastening bolt.
The utility model has three large significantly functional characters to be:
1. installation and removal are convenient.
Because moving jaw and bearing are the interference tolerance fit, to press-fit with press during installation; Perhaps with the moving gnathosoma of heating method heating, utilize principle of expanding with heat and contracting with cold to install.No matter the sort of method, mounting process are all very complicated and difficult.The moving jaw of Split type structure of the present utility model namely needn't press-fit, and also must not heat, and with bolt, fastening the getting well of the moving jaw of two halfbodies has also namely been installed.
2. when keeping in repair, fit tolerance can be revised.
Because moving jaw and bearing must be interference fit, the size of interference is also with regard to several (a few percent millimeters), in use can fluff because of various reasons, the method that makes up of prior art is: at the dead eye inner peripheral surface heap electric welding last layer metal charge of moving jaw, then restore after metalworking.This method both bothered (just to several sizes), increased again cost.
The technical scheme of the utility model correction tolerance fit size is achieved in that before the moving jaw of two halfbodies gets togather the machining bearing hole, first the default pad of the moving jaw faying face of two halfbodies (can multi-disc), it is gauge orifice when dead eye processes, after using wearing and tearing, as long as separately the moving jaw of halved body is taken out a slice (or two), namely reach the purpose of revising the tolerance fit size when maintenance.Save time, save trouble, province's expense, very easy.
3. function enlarges, and adaptability is stronger.
Along with updating of disintegrating machine technology, the integrally-built moving jaw of prior art can not adapt to a lot of new situations.Single-shaft double-crank-rocker mechanism disintegrating machine (application number 201110092010.9) such as the applicant's aforementioned application, to hang again a bearing liner on single eccentric drive shaft, in order to settle simultaneously two moving jaws, the moving jaw of overall structure can't be installed the moving jaw that mediates.
And split type moving jaw of the present utility model can install (the moving jaw of two halfbodies is directly eccentric shaft centre position fastening and fastening good getting final product, very simple) very easily additional.Therefore split type moving jaw of the present utility model has been expanded the scope of application, for the improvement of jaw crusher provides new space.
Core technology of the present utility model is: utilize moving jaw structure " two halves Split type structure " design, substitute " overall structure " design of the moving jaw of prior art, thereby change the assembly technology of moving jaw and bearing, exempted loaded down with trivial details " press-fiting " or " hot charging ' assembly technology, be core technology of the present utility model.
Except above-mentioned remarkable function, the utility model also has following beneficial effect:
(1) under prior art, the gear of eccentric shaft must be broad in the middle, narrowing toward each end, as the gear in the middle of running into is than the situation of narrowing toward each end, can't realize installing on the integrally-built moving jaw of prior art, and split type moving jaw of the present utility model can be installed very easily, has increased the scope of application of the present utility model.
(2) when maintenance such as the need jaw that moves, need not change whole moving jaw; And can only change its have half of damage moving jaw both can, reduce use cost.
As preferably, described halved body is provided with three layers of pad between its faying face.
As preferably, described pad is the scraps of paper or sheet metal.
The pad that the utility model is selected is ultra-thin materials, is mainly size ultra-thin (every several), and material is not had much requirements.
As preferably, described halved body is connected by fastening bolt and is integral.
Fastening method of the present utility model is conventional method.
Description of drawings
Fig. 1 is the structural representation of the moving jaw body of prior art;
Fig. 2 is the structural representation of the moving jaw body of the utility model.
In figure: 1-moves jaw body, 2-axis hole, 3-pad, 4-fastening bolt.
The specific embodiment
Be easy to understand understanding in order to make technological means of the present utility model, creation characteristic and to reach purpose, further set forth the utility model below in conjunction with specific embodiment.
Embodiment 1: as shown in Figure 2, a kind of split type moving jaw of revising the tolerance fit size, comprise moving jaw body 1, the upper end of moving jaw body 1 is provided with the axis hole 2 that matches with eccentric drive shaft, and moving jaw body 1 is along its vertical center line fabricated structure of body in two.Halved body is provided with three layers of pad 3 between its faying face, pad 3 is the scraps of paper.Halved body is connected by fastening bolt 4 and is integral.
Embodiment 2: pad 3 is sheet metal.All the other are with embodiment 1.
Above-described is only preferred embodiment of the present utility model; should be understood that; for those of ordinary skill in the art; under the prerequisite that does not break away from the utility model core technology feature; can also make some improvement and modification, these improvement and modification also should be considered as protection domain of the present utility model.
Claims (4)
1. the split type moving jaw that can revise the tolerance fit size, comprise moving jaw body, the upper end of moving jaw body is provided with the axis hole that matches with eccentric drive shaft, it is characterized in that, described moving jaw body is along its vertical center line fabricated structure of body in two; Described halved body is provided with one deck pad at least between its faying face.
2. the split type moving jaw of revising the tolerance fit size according to claim 1, is characterized in that, described halved body is provided with three layers of pad between its faying face.
3. the split type moving jaw of revising the tolerance fit size according to claim 2, is characterized in that, described pad is the scraps of paper or sheet metal.
4. according to claim 1 with the 2 or 3 described split type moving jaws of revising the tolerance fit size, is characterized in that, described halved body is connected by fastening bolt and is integral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530825 CN202942906U (en) | 2012-10-02 | 2012-10-02 | Split movable jaw capable of correcting tolerance fit dimension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530825 CN202942906U (en) | 2012-10-02 | 2012-10-02 | Split movable jaw capable of correcting tolerance fit dimension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202942906U true CN202942906U (en) | 2013-05-22 |
Family
ID=48418622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220530825 Expired - Fee Related CN202942906U (en) | 2012-10-02 | 2012-10-02 | Split movable jaw capable of correcting tolerance fit dimension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202942906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706427A (en) * | 2012-10-02 | 2014-04-09 | 义乌市多方联矿机超市有限公司 | Split movable jaw capable of correcting tolerance fit dimension |
-
2012
- 2012-10-02 CN CN 201220530825 patent/CN202942906U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706427A (en) * | 2012-10-02 | 2014-04-09 | 义乌市多方联矿机超市有限公司 | Split movable jaw capable of correcting tolerance fit dimension |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20151002 |
|
| EXPY | Termination of patent right or utility model |