CN216174171U - Connecting structure of eccentric block vibration exciter for mine screening machine - Google Patents
Connecting structure of eccentric block vibration exciter for mine screening machine Download PDFInfo
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- CN216174171U CN216174171U CN202122342878.1U CN202122342878U CN216174171U CN 216174171 U CN216174171 U CN 216174171U CN 202122342878 U CN202122342878 U CN 202122342878U CN 216174171 U CN216174171 U CN 216174171U
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Abstract
The application discloses a connecting structure of an eccentric block vibration exciter for a mine screening machine, which belongs to the technical field of screening machines and comprises a fixing piece, an installation shaft capable of rotating around the axis of the installation shaft and a tensioning wheel sleeved on the installation shaft, wherein a tensioning sleeve sleeved on the installation shaft is also arranged between the installation shaft and the tensioning wheel, and the tensioning sleeve can fixedly connect the tensioning wheel with the installation shaft; the fixing piece is fixedly connected with the mounting shaft and the tensioning wheel, and the fixing piece is provided with a transmission part which can be connected with the transmission shaft, so that the transmission shaft can drive the mounting shaft to rotate around the axis of the mounting shaft through the fixing piece, and the eccentric block connected with the tensioning wheel rotates around the axis of the mounting shaft. The application of using above-mentioned structure can effectually guarantee the stability of tight wheel and installation hub connection.
Description
Technical Field
The application belongs to the technical field of screening machines, and particularly provides a connecting structure of an eccentric block vibration exciter for a mine screening machine.
Background
Ore refers to a mineral aggregate from which useful components can be extracted or which itself has some property that can be utilized, and can be classified into metal minerals and non-metal minerals.
Ore sieve separator, be an auxiliary assembly for thickness ore screening, the eccentric block vibration exciter can make the screen frame vibrate, thereby make the screen cloth on the screen frame can sieve the material, the required effort of screen cloth vibration is produced in the eccentric block gyration in the eccentric block vibration exciter, because the weight of ore is great, the screen cloth vibration that the screen cloth need provide great effort just can make, thereby sieve the ore, and the ore has the impact to the screen cloth at the screening in-process, make the structure of being connected with the screen cloth easily take place not hard up the condition, make the bearing probably have the axial float, thereby influence the stability of bearing operation, and influence the screening of normal ore that carries on of sieve separator.
SUMMERY OF THE UTILITY MODEL
In order to guarantee the stability that the eccentric block vibration exciter is connected, this application provides a connection structure of eccentric block vibration exciter for mine sieve separator.
The connecting structure of the eccentric block vibration exciter for the mine screening machine comprises a fixing piece, an installation shaft capable of rotating around the axis of the installation shaft and a tensioning wheel sleeved on the installation shaft, wherein a tensioning sleeve sleeved on the installation shaft is further arranged between the installation shaft and the tensioning wheel, and the tensioning sleeve can fixedly connect the tensioning wheel with the installation shaft; the fixing piece is fixedly connected with the mounting shaft and the tensioning wheel, and the fixing piece is provided with a transmission part which can be connected with the transmission shaft, so that the transmission shaft can drive the mounting shaft to rotate around the axis of the mounting shaft through the fixing piece, and the eccentric block connected with the tensioning wheel rotates around the axis of the mounting shaft.
In one embodiment of the present application, the fixing member is provided with a plurality of through holes, and bolts are connected with the end of the mounting shaft through the plurality of through holes so that the fixing member can be fixed at the end of the mounting shaft.
In one embodiment of the present application, the fixing member is provided with a fixing groove that is fitted with an end of the mounting shaft, and the end of the mounting shaft can be inserted into the fixing groove.
In one embodiment of the present application, the groove bottom of the fixing groove has a gap with the end of the mounting shaft.
In one embodiment of the present application, the fastener is threadably coupled to the tensioner.
In one embodiment of the present application, the mounting shaft passes through a mounting portion provided on the screen body; the eccentric block is arranged on the eccentric disc, the eccentric disc is sleeved on the mounting part through the bearing, and the tensioning wheel is connected with the eccentric disc, so that the mounting shaft can drive the eccentric disc to rotate around the axis of the mounting shaft through the tensioning sleeve and the tensioning wheel, and the eccentric block rotates around the axis of the mounting shaft.
In one embodiment of the present application, the mounting portion is provided with a first abutting portion capable of abutting against the bearing inner race; the first assembly formed by connecting the tensioning hub and the eccentric disc is provided with a second abutting part capable of abutting against the outer ring of the bearing; the bearing can be fixed by the combined action of the first abutting part and the second abutting part.
In one embodiment of the present application, the two ends of the mounting shaft are respectively provided with a fixing member, a tensioning sleeve, a tensioning hub and an eccentric block.
Those skilled in the art can understand that the foregoing technical solutions of the present application have at least the following beneficial effects:
1. the tensioning sleeve enables the tensioning wheel to be fixedly connected with the mounting shaft, so that when the mounting shaft is driven by the transmission shaft to rotate around the axis of the mounting shaft, the mounting shaft can drive the eccentric block to rotate around the axis of the mounting shaft through the tensioning sleeve and the tensioning wheel, and the screen can be vibrated by acting force generated when the eccentric block rotates around the mounting shaft. The fixing piece is fixedly connected with the mounting shaft and the tensioning wheel, so that the tensioning wheel is prevented from shifting in the axial direction of the mounting shaft when rotating around the axial line of the mounting shaft, the relative rotation between the tensioning wheel and the mounting shaft is avoided, the slipping of the tensioning wheel on the tensioning sleeve is avoided, and the normal production is ensured.
2. Through the fixed slot that can supply the tip male of installation axle that the mounting set up for the installation axle can restrict the mounting along the radial motion of installation axle, thereby makes the mounting more inseparable with being connected of installation axle.
3. Through the mode that a gap is formed between the bottom of the fixing groove formed in the fixing piece and the end part of the mounting shaft, the bolt for connecting the fixing piece and the mounting shaft can provide an acting force far away from the end part of the mounting shaft for the tensioning wheel through the fixing piece, and the situation that the tensioning wheel is separated from the mounting shaft in the rotating process is avoided.
Drawings
Embodiments of the present application are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of an exemplary embodiment of the present application;
FIG. 2 is an assembly schematic of an exemplary embodiment of the present application;
FIG. 3 is a schematic structural view of an exemplary embodiment of a fastener;
FIG. 4 is a schematic structural view of an exemplary embodiment of a mounting portion;
fig. 5 is a structural view showing an exemplary embodiment in which eccentric discs are provided at both ends of a mounting shaft.
In the figure:
101-a fixture; 102-a fixation groove;
201-expansion sleeve; 202-tensioning hub;
301-eccentric disc; 302-eccentric mass;
401-mounting the shaft;
501-a screen body; 502-mounting part.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present application, embodiments of the present application will now be described with reference to the accompanying drawings, in which like reference numerals refer to components that are identical in structure or similar in structure but identical in function.
"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present application, and they do not represent the actual structure of the product. In addition, for simplicity and clarity of understanding, only one of the components having the same structure or function is schematically illustrated or labeled in some of the drawings.
See fig. 1-5.
The connecting structure of the eccentric block vibration exciter for the mine screening machine comprises an installation shaft 401 capable of rotating around the axis of the eccentric block vibration exciter and a tensioning wheel 202 sleeved on the installation shaft 401, a tensioning sleeve 201 sleeved on the installation shaft 401 is further arranged between the installation shaft 401 and the tensioning wheel 202, the tensioning sleeve 201 extrudes the tensioning wheel 202 and the installation shaft 401, so that the tensioning sleeve 201 can tightly hold the tensioning wheel 202 and the installation shaft 401, the tensioning wheel 202 is fixedly connected with the installation shaft 401 through the tensioning sleeve 201, and the tensioning wheel 202 can be driven to rotate around the axis of the installation shaft 401 through the tensioning sleeve 201 when the installation shaft 401 rotates.
The connecting structure of the eccentric block vibration exciter for the mine screening machine further comprises a fixing piece 101, wherein the fixing piece 101 is fixedly connected with the installation shaft 401 and the tensioning wheel 202, referring to fig. 1, the fixing piece 101 is fixedly connected with the end of the installation shaft 401 in a bolt mode and the like, of course, the installation position of the fixing piece 101 in the application can also be connected with other positions of the installation shaft 401, for example, the fixing piece 101 is sleeved on the installation shaft 401, and the shaft sleeve part of the fixing piece 101 can be fixedly connected with the side wall of the installation shaft 401 in a bolt mode and the like. The fixing member 101 is provided with a transmission portion capable of being connected with the transmission shaft, so that the transmission shaft can drive the mounting shaft 401 to rotate around the axis of the mounting shaft 401 through the fixing member 101, and the eccentric block 302 connected with the tension wheel 202 rotates around the axis of the mounting shaft 401. Since the screen 501 continuously vibrates during the screening process of the ore, the transmission shaft is connected with the transmission part of the fixing member 101 through a universal joint coupler or a belt, and the transmission part can be a bolt or a belt wheel and the like. Referring to fig. 1, one end of the universal joint coupler may be connected to a bolt on the fixing member 101, and the other end of the universal joint coupler may be connected to a transmission shaft connected to a driving device such as a motor or an internal combustion engine, so that the transmission shaft is connected to the fixing member 101 through the universal joint coupler to drive the mounting shaft 401 to rotate, so that the eccentric block 302 rotates around the axis of the mounting shaft 401, the fixing member 101 may split the power transmitted by the transmission shaft, and the transmission shaft transmits the power to the tension hub 202 through the fixing member 101, so that the tension hub 202 may drive the eccentric block 302 to rotate, thereby reducing the power transmitted by the mounting shaft 401 to the tension hub 202 through the tension sleeve 201, and avoiding a slip phenomenon between the tension sleeve 201 and the mounting shaft 401 and the tension hub 202 due to an excessive power transmitted by the tension sleeve 201.
The tightening sleeve 201 enables the tightening hub 202 to be fixedly connected with the mounting shaft 401, so that when the mounting shaft 401 is driven by the transmission shaft to rotate around the axis of the mounting shaft 401, the mounting shaft 401 can drive the eccentric block 302 to rotate around the axis of the mounting shaft 401 through the tightening sleeve 201 and the tightening hub 202, and the screen can be vibrated by the acting force generated when the eccentric block 302 rotates around the mounting shaft 401. Because the fixing member 101 is fixedly connected with the mounting shaft 401 and the tightening hub 202, the tightening hub 202 is prevented from shifting in the axial direction of the mounting shaft 401 when rotating around the axis of the mounting shaft 401, and meanwhile, the tightening hub 202 and the mounting shaft 401 are prevented from rotating relatively, and the tightening hub 202 is prevented from slipping on the tightening sleeve 201, so as to ensure the normal operation of production.
In one embodiment of the present application, the fixing member 101 is provided with a plurality of through holes through which bolts are coupled to the end of the mounting shaft 401 so that the fixing member 101 can be fixed to the end of the mounting shaft 401. The fixing member 101 is provided with a fixing groove 102 engaged with an end of the mounting shaft 401, and the end of the mounting shaft 401 can be inserted into the fixing groove 102.
The fixing groove 102, which is provided through the fixing member 101 and into which the end of the mounting shaft 401 is inserted, enables the mounting shaft 401 to limit the radial movement of the fixing member 101 along the mounting shaft 401, so that the connection between the fixing member 101 and the mounting shaft 401 is tighter; further, the existence of the fixing groove 102 facilitates the bolt connection between the fixing member 101 and the end of the mounting shaft 401.
Further, the groove bottom of the fixing groove 102 has a gap with the end of the mounting shaft 401.
When the fixing member 101 is connected with the tightening wheel 202, a gap is formed between the bottom of the fixing groove 102 formed in the fixing member 101 and the end of the mounting shaft 401, so that the bolt for connecting the fixing member 101 and the mounting shaft 401 applies an acting force to the tightening wheel 202 through the fixing member 101, the acting force being away from the end of the mounting shaft 401, and the situation that the tightening wheel 202 is separated from the mounting shaft 401 in the rotating process is avoided.
In one embodiment of the present application, the fixing member 101 is in threaded connection with the tightening hub 202, and the fixing member 101 and the tightening hub 202 are provided with threaded holes, so that the fixing member 101 can be connected with the tightening hub 202 through bolts, and therefore, since the fixing member 101 is fixedly connected with the mounting shaft 401, the mounting shaft 401 can drive the tightening hub 202 to rotate through the fixing member 101.
In an embodiment of the present application, the fixing member 101, the tensioning sleeve 201, the tensioning wheel 202 and the eccentric block 302 are respectively disposed at two ends of the mounting shaft 401, and the transmission shaft can be connected to the transmission portion of the fixing member 101 at any end of the mounting shaft 401, so that the transmission connection position of the mounting shaft 401 is more flexible, and of course, referring to fig. 5, the eccentric blocks 302 at two ends of the mounting shaft 401 can be connected to the eccentric discs 301.
Referring to fig. 1, a mounting portion 502 is provided on a sieve body 501, the mounting portion 502 may be in threaded connection with the sieve body 501 or the sieve body 501 is formed with the mounting portion 502, the mounting portion 502 is provided with a through hole through which a mounting shaft 401 can pass, and the mounting shaft 401 passes through the mounting portion 502 provided on the sieve body 501, it can be understood by those skilled in the art that a bearing through which the mounting shaft 401 passes may be provided at the mounting portion 502, so as to avoid dry friction between the mounting shaft 401 and the mounting portion 502 provided on the sieve body 501; the eccentric disc 301 is sleeved on the mounting portion 502 through a bearing, the tightening wheel 202 is connected with the eccentric disc 301, and the eccentric block 302 is arranged on the eccentric disc 301, so that the mounting shaft 401 can drive the eccentric disc 301 to rotate around the axis of the mounting shaft 401 through the tightening sleeve 201 and the tightening wheel 202, and the eccentric block 302 rotates around the axis of the mounting shaft 401.
Further, referring to fig. 1, the mounting portion 502 is provided with a first abutting portion capable of abutting against the bearing inner race, and the first abutting portion includes a shaft shoulder provided with the mounting portion 502 and a stop nut screwed with the mounting portion 502; the first assembly formed by connecting the tension hub 202 and the eccentric disc 301 is provided with a second abutting part capable of abutting against the outer ring of the bearing, and the second abutting part comprises the tension hub 202 and a flange arranged on the eccentric disc 301; those skilled in the art to which the present application belongs can understand that the arrangement manner of the first abutting portion and the second abutting portion is not limited to the above manner, but may be other manners, for example, the first abutting portion is formed by two stop nuts screwed to the mounting portion 502, and the second abutting portion is formed by a groove for the eccentric disc 301, which can mount the bearing outer ring, and is not described herein again. The bearing can be fixed by the cooperation of the first abutting portion and the second abutting portion.
The fixing member 101 is fixedly connected with the mounting shaft 401, so that the fixing member 101 can limit the axial position of the tightening wheel 202 on the mounting shaft 401, the tightening wheel 202 is fixedly connected with the eccentric disc 301, and further, the fixing member 101 can limit the position of the eccentric disc 301, so as to limit the position of the bearing, avoid the axial movement of the bearing along the mounting shaft 401, and ensure the stability of the connection of the bearing and the mounting portion 502.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein can be combined as a whole to form other embodiments as would be understood by those skilled in the art.
The above list of details is only for the concrete description of the feasible embodiments of the present application and they are not intended to limit the scope of the present application, and all equivalent embodiments or modifications, such as combinations, divisions or repetitions of features, which do not depart from the technical spirit of the present application, should be included in the scope of the present application.
Claims (8)
1. A connecting structure of an eccentric block vibration exciter for a mine screening machine is characterized by comprising a fixing piece, a mounting shaft capable of rotating around the axis of the mounting shaft and a tensioning wheel sleeved on the mounting shaft, wherein a tensioning sleeve sleeved on the mounting shaft is further arranged between the mounting shaft and the tensioning wheel, and the tensioning sleeve can fixedly connect the tensioning wheel with the mounting shaft;
the fixing piece is fixedly connected with the mounting shaft and the tensioning wheel, and the fixing piece is provided with a transmission part which can be connected with a transmission shaft, so that the transmission shaft can drive the mounting shaft to rotate around the axis of the mounting shaft through the fixing piece, and an eccentric block connected with the tensioning wheel rotates around the axis of the mounting shaft.
2. The connecting structure of the eccentric block vibration exciter for the mine screening machine according to claim 1, characterized in that,
the fixing piece is provided with a plurality of through holes, and bolts penetrate through the through holes to be connected with the end of the mounting shaft, so that the fixing piece can be fixed to the end of the mounting shaft.
3. The connecting structure of the eccentric block vibration exciter for the mine screening machine according to claim 2, characterized in that,
the mounting is equipped with the tip complex fixed slot of installation axle, the tip of installation axle can insert the fixed slot.
4. The connecting structure of the eccentric block vibration exciter for the mine screening machine according to claim 3, characterized in that,
the tank bottom of fixed slot with the tip of installation axle has the clearance.
5. The connecting structure of the eccentric block vibration exciter for the mine screening machine according to claim 1, characterized in that,
the fixing piece is in threaded connection with the tensioning wheel.
6. The connecting structure of the eccentric block vibration exciter for the mine screening machine according to claim 1, characterized in that,
the mounting shaft penetrates through a mounting part arranged on the screen body;
the eccentric block is arranged on the eccentric disc, the eccentric disc is sleeved on the mounting part through a bearing, and the tensioning wheel is connected with the eccentric disc, so that the mounting shaft can drive the eccentric disc to rotate around the axis of the mounting shaft through the tensioning sleeve and the tensioning wheel, and the eccentric block rotates around the axis of the mounting shaft.
7. The connecting structure of the eccentric block vibration exciter for the mine screening machine according to claim 6, characterized in that,
the mounting part is provided with a first abutting part which can abut against the bearing inner ring;
the first assembly formed by connecting the tensioning hub and the eccentric disc is provided with a second abutting part capable of abutting against the outer ring of the bearing;
the first abutment and the second abutment cooperate to secure a bearing.
8. The connecting structure of the eccentric block vibration exciter for the mine screening machine according to claim 1, characterized in that,
the two ends of the mounting shaft are respectively provided with the fixing piece, the tensioning sleeve, the tensioning wheel and the eccentric block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122342878.1U CN216174171U (en) | 2021-09-26 | 2021-09-26 | Connecting structure of eccentric block vibration exciter for mine screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122342878.1U CN216174171U (en) | 2021-09-26 | 2021-09-26 | Connecting structure of eccentric block vibration exciter for mine screening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216174171U true CN216174171U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122342878.1U Active CN216174171U (en) | 2021-09-26 | 2021-09-26 | Connecting structure of eccentric block vibration exciter for mine screening machine |
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| Country | Link |
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| CN (1) | CN216174171U (en) |
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- 2021-09-26 CN CN202122342878.1U patent/CN216174171U/en active Active
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