CN220048875U - Pre-screening device - Google Patents
Pre-screening device Download PDFInfo
- Publication number
- CN220048875U CN220048875U CN202321670596.7U CN202321670596U CN220048875U CN 220048875 U CN220048875 U CN 220048875U CN 202321670596 U CN202321670596 U CN 202321670596U CN 220048875 U CN220048875 U CN 220048875U
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- Prior art keywords
- fixing frame
- screen
- support
- screen bar
- clamping groove
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- 238000012216 screening Methods 0.000 title claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of crushing equipment, in particular to a pre-screening device, which comprises a support, wherein a feeding assembly is arranged in the support, a screen device is arranged on the support, the screen device comprises a fixing frame and a screen bar arranged on the fixing frame, one side of the fixing frame is fixedly arranged on one side of the support, the other side of the fixing frame is hinged on the other side of the support, the screen bar is detachably inserted on the fixing frame along the upper surface of the fixing frame, one end of the screen bar is arranged on one side of the fixing frame, and the other end of the screen bar is arranged on the other side of the fixing frame in a penetrating manner. When the screen bars are required to be replaced, the damaged screen bars are only required to be pulled out from the fixing frame one by one, and new screen bars are inserted, so that the screen bars are fast and convenient to replace, and the replacement efficiency is greatly improved.
Description
Technical Field
The utility model relates to the technical field of crushing equipment, in particular to a pre-screening device.
Background
Pre-screening refers to the preliminary screening of the material to be crushed before crushing, so as to screen out larger pieces of material in advance, and thus the load in the crusher can be reduced during crushing.
At present, the sieve in the pre-screening plant is fixed on the support with fixed connection's mode, and polylith sieve is fixed into a whole, when one of them sieve or some sieve appear impaired need change, need take out the whole that all sieves formed and tear down again and carry out the demolishment and the change of a certain sieve, and the work load is great, and work efficiency is lower.
Disclosure of Invention
The utility model aims at solving the problems and provides the pre-screening device which only needs to directly pull out damaged screen strips from a fixing frame one by one when the screen strips need to be replaced, and then inserts new screen strips, so that the replacement of the screen strips is rapid and convenient, and the replacement efficiency is greatly improved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a pre-screening device, includes the support, be equipped with the feed assembly in the support, be equipped with screen cloth device on the support, screen cloth device includes the mount and establishes the screen bar on the mount, one side card of mount is established or is worn to locate on one side of support, the opposite side of mount articulates on the opposite side of support, the screen bar is inserted on locating the mount along the upper surface detachably of mount, just on one side of mount is located to the one end of screen bar, the other end of screen bar wears to locate on the opposite side of mount.
In the utility model, further, the fixing frame is also provided with a vibration motor and a protective cover for protecting the vibration motor.
In the utility model, a spring is further fixedly arranged between the fixing frame and the support, the bottom of the fixing frame and the top of the support are respectively provided with a spring supporting seat, one end of the spring is clamped with the spring supporting seat at the bottom of the fixing frame, and the other end of the spring is clamped with the spring supporting seat at the top of the support.
In the utility model, further, the fixing frame is a fixing frame with an inclined upper surface, a plurality of first clamping grooves or first perforations are formed on the higher side of the upper surface of the fixing frame at intervals, a plurality of second clamping grooves are formed in the middle of the upper surface of the fixing frame at intervals, and a plurality of second perforations are formed on the lower side of the upper surface of the fixing frame at intervals.
In the utility model, one end of the screen bar is arranged on the first clamping groove or the first perforation, the other end of the screen bar is arranged on the second perforation in a penetrating way, and the middle part of the screen bar is clamped on the second clamping groove.
In the utility model, further, the screen bar comprises a hook part and a long straight part which are integrally formed, the hook part is buckled on one end of the top of the fixing frame, and the long straight part is sequentially clamped on the first clamping groove and the second clamping groove and penetrates through the perforation.
In the utility model, further, the screen bar comprises a hook part and a long straight part which are integrally formed, wherein the hook part is buckled on one end of the top of the fixing frame, and the long straight part sequentially penetrates through the first perforation and the second clamping groove and penetrates through the second perforation.
In the utility model, further, the long straight part of the screen bar is a bar with a circular cross section, the first clamping groove and the second clamping groove are semicircular holes, and the diameters of the first clamping groove and the second clamping groove are the same as the diameter of the long straight part of the screen bar.
In the utility model, further, one side of the fixing frame is fixedly arranged on one side of the bracket through the anti-falling piece.
In the utility model, further, the anti-falling piece is an L-shaped plate.
By adopting the technical scheme, the utility model has the following beneficial effects:
according to the utility model, the screen device comprising the fixing frame and the screen bars is arranged, wherein one side of the fixing frame is clamped or penetrated on one side of the support, the other side of the fixing frame is hinged on the other side of the support, the screen bars are detachably inserted on the fixing frame along the upper surface of the fixing frame, one end of each screen bar is clamped or penetrated on one side of the fixing frame, and the other end of each screen bar is penetrated on the other side of the fixing frame, so that when one screen bar or a part of screen bars are damaged and need to be replaced, the whole formed by all screen bars does not need to be removed and replaced, only the damaged screen bars need to be pulled out of the fixing frame one by one, and new screen bars are inserted, so that the replacement of the screen bars is quick and convenient, and the replacement efficiency is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a pre-screening apparatus according to the present utility model;
FIG. 2 is a schematic view of an exploded view of a screen assembly of a pre-screening apparatus according to the present utility model;
FIG. 3 is an exploded side view of a screen assembly of a pre-screening apparatus of the present utility model;
fig. 4 is a top view of a holder in a pre-screening apparatus according to the present utility model.
The reference numerals in the drawings are: 1-bracket, 2-feeding assembly, 3-screen device, 31-mount, 311-first draw-in groove, 312-second draw-in groove, 313-second perforation, 32-screen bar, 321-crotch, 322-long straight portion, 33-vibrating motor, 4-spring, 41-spring supporting seat, 5-anticreep spare, 6-articulated seat.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "first," "second," and the like are used herein for illustrative purposes only.
Examples
Referring to fig. 1 to 4, a pre-screening device includes a support 1, a feeding assembly 2 is disposed in the support 1, the feeding assembly 2 includes a receiving hopper and a conveying belt, and the specific structure of the pre-screening device is the same as that of the prior art and will not be described herein. The support 1 is provided with a screen device 3, the screen device 3 comprises a fixing frame 31 and a screen bar 32 arranged on the fixing frame 31, one side of the fixing frame 31 is fixedly arranged on one side of the support 1 through a drop-proof piece 5, and the other side of the fixing frame 31 is hinged on the other side of the support 1 through a hinge seat 6 capable of limiting left and right. In this embodiment, the anti-falling member 5 is specifically an L-shaped plate, one end of the L-shaped plate is fixedly connected with the bracket 1, and the other end of the L-shaped plate is fixedly connected with the fixing frame 31, so as to play a role in preventing the screen device 3 from falling off from the bracket 1. The screen bar 32 is detachably inserted on the fixing frame 31 along the upper surface of the fixing frame 31, one end of the screen bar 32 is arranged on one side of the fixing frame 31, and the other end of the screen bar 32 is arranged on the other side of the fixing frame 31 in a penetrating manner. The hinge seat 6 allows the screen device 3 to rotate only in a vertical plane about the hinge point of the hinge seat 6 while preventing its movement in other directions.
As a further specific technical scheme, the fixing frame 31 is further provided with a vibrating motor 33 for vibrating the whole pre-screening device, and a protective cover 34 for protecting the vibrating motor 33 is further arranged between the screen bars 32 and the vibrating motor 33 on the fixing frame 31, so that stone materials can be prevented from smashing the vibrating motor 33.
As a further specific technical scheme, a spring 4 is further fixed between the fixing frame 31 and the support 1, a spring supporting seat 41 is respectively arranged at the bottom of the fixing frame 31 and the top of the support 1, one end of the spring 4 is clamped with the spring supporting seat 41 at the bottom of the fixing frame 31, and the other end of the spring 4 is clamped with the spring supporting seat 41 at the top of the support 1. The middle protruding part of the spring supporting seat 41 is clamped into the spring 4, so that the spring 4 is limited to vibrate up and down and not shake back and forth and left and right. The arrangement of the springs 4 can play a role in strengthening vibration, so that the vibration effect of the pre-screening device is better.
As a further specific technical solution, in this embodiment, the fixing frame 31 is a fixing frame 31 with an inclined upper surface, and a plurality of first clamping grooves 311 are formed on a side of the fixing frame 31 with a higher upper surface, which are arranged at intervals, however, in other embodiments, first through holes may be provided instead of the first clamping grooves 311. A plurality of second clamping grooves 312 which are arranged at intervals and used for supporting the screen bars 32 are formed in the middle of the upper surface of the fixed frame 31, and a plurality of second perforation holes 313 which are arranged at intervals are formed in the upper surface of the fixed frame 31. One end of the screen bar 32 is clamped on the first clamping groove 311, the other end of the screen bar 32 is penetrated on the second through hole 313, and the middle part of the screen bar 32 is clamped on the second clamping groove 312. This setting can play good supporting and limiting functions to the screen bars 32, and can directly pull out one of the screen bars 32 from the fixing frame 31 after being damaged, and then insert a new screen bar 32, thereby conveniently and rapidly realizing the replacement of the screen bars 32.
As a further specific technical solution, the screen bar 32 includes an integrally formed hook portion 321 and a long straight portion 322, the hook portion 321 is fastened to one end of the top of the fixing frame 31, and the long straight portion 322 is sequentially fastened to the first clamping groove 311 and the second clamping groove 312 and penetrates through the second perforation 313. In other embodiments, when the first through hole is provided instead of the first slot 311, the hook 321 is fastened to one end of the top of the fixing frame 31, and the long straight portion 322 sequentially passes through the first through hole and the second slot 312 and passes through the second through hole 313. The setting of crotch 321 for screen bar 32 one end can catch on mount 31, prevents simultaneously that screen bar 32 from rotating, has further improved the fastening nature of screen bar 32 on mount 31, and under the cooperation of first draw-in groove 311, second draw-in groove 312 and crotch 321 jointly, when needs change screen bar 32, can directly the manual work grasp crotch 331 with screen bar 32 pull out can, make screen bar 32 change simple and convenient, improved change efficiency greatly.
In this embodiment, specifically, the long straight portion 322 of the screen bar 32 is a bar with a circular cross section, and the bar is a deformed steel bar, and the bar is threaded to slow down the falling speed of the material, so that the screened material is cleaner. The first clamping groove 311 and the second clamping groove 312 are semicircular holes, and the diameters of the first clamping groove 311 and the second clamping groove 312 are the same as the diameter of the long straight part 322 of the screen bar, so that the screen bar 32 can be tightly clamped on the fixing frame 31, and the screening effect is prevented from being influenced by movement or loosening of the screen bar along with vibration of the pre-screening device.
In addition, in this embodiment, a baffle (not shown) may be disposed on both sides of the fixing frame 31 to prevent the material from falling out of the screen device 3.
The range of applications for the pre-screening apparatus of the present utility model is that including, but not limited to, mobile screens.
According to the utility model, the screen device 3 comprising the fixing frame 31 and the screen bars 32 is arranged, wherein the screen bars 32 are detachably inserted into the fixing frame 31 along the upper surface of the fixing frame 31, one end of each screen bar 32 is clamped or penetrated into one side of the fixing frame 31, and the other end of each screen bar is penetrated into the other side of the fixing frame 31, so that when one screen bar 32 or a part of the screen bars 32 is damaged and needs to be replaced, the whole formed by all screen bars 32 is not required to be removed and replaced, only the damaged screen bars 32 are required to be directly pulled out from the fixing frame 31 one by one, and new screen bars are inserted into the screen bars 32, the replacement of the screen bars 32 is rapid and convenient, and the replacement efficiency is greatly improved.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Claims (10)
1. The utility model provides a pre-screening device, includes the support, be equipped with the feed assembly in the support, be equipped with screen cloth device, its characterized in that on the support: the screen device comprises a fixing frame and a screen bar arranged on the fixing frame, wherein one side of the fixing frame is clamped or penetrated on one side of the support, the other side of the fixing frame is hinged on the other side of the support, the screen bar is detachably inserted on the fixing frame along the upper surface of the fixing frame, one end of the screen bar is arranged on one side of the fixing frame, and the other end of the screen bar is penetrated on the other side of the fixing frame.
2. A pre-screening apparatus according to claim 1, wherein: and the fixing frame is also provided with a vibrating motor and a protective cover for protecting the vibrating motor.
3. A pre-screening apparatus according to claim 2, wherein: the spring is also fixedly arranged between the fixing frame and the support, the bottom of the fixing frame and the top of the support are respectively provided with a spring supporting seat, one end of the spring is connected with the spring supporting seat at the bottom of the fixing frame in a clamping manner, and the other end of the spring is connected with the spring supporting seat at the top of the support in a clamping manner.
4. A pre-screening apparatus according to claim 1, wherein: the fixing frame is a fixing frame with an inclined upper surface, a plurality of first clamping grooves or first perforations are formed in the higher side of the upper surface of the fixing frame at intervals, a plurality of second clamping grooves are formed in the middle of the upper surface of the fixing frame at intervals, and a plurality of second perforations are formed in the lower side of the upper surface of the fixing frame at intervals.
5. A pre-screening apparatus according to claim 4, wherein: one end of the screen bar is arranged on the first clamping groove or the first perforation, the other end of the screen bar is arranged on the second perforation in a penetrating mode, and the middle part of the screen bar is clamped on the second clamping groove.
6. A pre-screening apparatus according to claim 5, wherein: the screen bar comprises a hook part and a long straight part which are integrally formed, the hook part is buckled on one end of the top of the fixing frame, and the long straight part is sequentially clamped on the first clamping groove and the second clamping groove and penetrates through the perforation.
7. A pre-screening apparatus according to claim 5, wherein: the screen bar comprises a hook part and a long straight part which are integrally formed, the hook part is buckled on one end of the top of the fixing frame, and the long straight part sequentially penetrates through the first perforation and the second clamping groove and penetrates through the second perforation.
8. A pre-screening apparatus according to claim 7, wherein: the long straight part of the screen bar is a bar with a circular cross section, the first clamping groove and the second clamping groove are semicircular holes, and the diameters of the first clamping groove and the second clamping groove are the same as the diameter of the long straight part of the screen bar.
9. A pre-screening apparatus according to claim 1, wherein: one side of the fixing frame is fixedly arranged on one side of the bracket through the anti-falling piece.
10. A pre-screening apparatus according to claim 9, wherein: the anti-falling piece is an L-shaped plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321670596.7U CN220048875U (en) | 2023-06-29 | 2023-06-29 | Pre-screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321670596.7U CN220048875U (en) | 2023-06-29 | 2023-06-29 | Pre-screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220048875U true CN220048875U (en) | 2023-11-21 |
Family
ID=88750089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321670596.7U Active CN220048875U (en) | 2023-06-29 | 2023-06-29 | Pre-screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220048875U (en) |
-
2023
- 2023-06-29 CN CN202321670596.7U patent/CN220048875U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |