CN216857335U - Negative pressure sieve for sieving concrete material - Google Patents
Negative pressure sieve for sieving concrete material Download PDFInfo
- Publication number
- CN216857335U CN216857335U CN202123085296.6U CN202123085296U CN216857335U CN 216857335 U CN216857335 U CN 216857335U CN 202123085296 U CN202123085296 U CN 202123085296U CN 216857335 U CN216857335 U CN 216857335U
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- Prior art keywords
- negative pressure
- screen
- lantern ring
- pressure screen
- screening
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- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000007873 sieving Methods 0.000 title description 4
- 230000000694 effects Effects 0.000 claims abstract description 23
- 238000012216 screening Methods 0.000 claims abstract description 22
- 239000004744 fabric Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a negative pressure screen for screening concrete materials, which comprises a negative pressure screen analyzer body, a screen frame and a vibration part, wherein the vibration part comprises a movable cavity arranged on the body, a speed reducing motor arranged on the body and connected with the movable cavity, a cam connected with an output shaft of the speed reducing motor, a lantern ring matched with the cam, a connecting rod arranged at one end of the lantern ring, a guide part arranged at the bottom of the movable cavity and used for controlling the moving direction of the lantern ring, and a plurality of rebound parts which are used for improving the vibration frequency of a screen and are arranged opposite to the lantern ring. According to the utility model, through the arrangement of the body, the screen frame and the vibrating part, the negative pressure screen can vibrate, the amplitude of the negative pressure screen can be controlled, the overlarge moving range of the negative pressure screen is avoided, and the problems that the conventional negative pressure screen is poor in vibrating effect, the vibrating amplitude of the negative pressure screen is overlarge, the screen mesh is easy to separate from the inside of equipment, and the screening effect of a concrete material is reduced are solved.
Description
Technical Field
The utility model belongs to the technical field of concrete materials, and particularly relates to a negative pressure screen for screening concrete materials.
Background
Concrete is an important building raw material, however, the raw material of concrete needs to be sieved in the concrete production process, and the negative pressure sieve plays an important role in the concrete material sieving process, and the problems in the prior art are that: the vibration effect of the existing negative pressure sieve is poor, the vibration amplitude of the negative pressure sieve is too large, the sieve screen is easily separated from the inside of the equipment, and the sieving effect of concrete materials can be reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a negative pressure sieve for screening concrete materials, which has the advantages of enabling the negative pressure sieve to vibrate, controlling the amplitude of the negative pressure sieve and avoiding the overlarge moving range of the negative pressure sieve, and solves the problems that the conventional negative pressure sieve is poor in vibrating effect, the vibrating amplitude of the negative pressure sieve is overlarge, the screen mesh is easily separated from the inside of equipment, and the screening effect of the concrete materials can be reduced.
The utility model is realized in such a way, and the negative pressure screen for screening concrete materials comprises a negative pressure screen analyzer body, a screen frame arranged on the body and used for fixing a screen, and a vibration part arranged on the body and used for improving the screening effect of the screen, wherein the vibration part comprises a movable cavity arranged on the body, a speed reducing motor arranged on the body and connected with the movable cavity, a cam connected with an output shaft of the speed reducing motor, a lantern ring matched with the cam, a connecting rod arranged at one end of the lantern ring, a guide part arranged at the bottom of the movable cavity and used for controlling the moving direction of the lantern ring, and a plurality of springback parts which are arranged opposite to the lantern ring and used for improving the vibration frequency of the screen, and the connecting rod is fixedly connected with the screen frame.
Preferably, the rebounding component comprises a fixed block arranged in the movable cavity, a telescopic cavity arranged in the fixed block, a push rod arranged in the telescopic cavity and a spring arranged in the telescopic cavity and connected with the push rod, and the push rod extends to the outer side of the telescopic cavity.
Preferably, the guide part comprises a guide groove arranged at the bottom of the movable cavity and a guide rod fixedly connected with the sleeve ring.
Preferably, the guide rod has a spherical groove formed at a lower end thereof, and a ball is disposed in the spherical groove, and a portion of the ball is in contact with the guide groove.
Preferably, the bottom of the movable cavity is provided with an anti-falling groove, and the screen frame is provided with an anti-falling rod matched with the anti-falling groove.
Preferably, the bottom of the anti-dropping rod is provided with a spherical part.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the body, the screen frame and the vibrating part, the negative pressure screen can vibrate, the amplitude of the negative pressure screen can be controlled, the overlarge moving range of the negative pressure screen is avoided, and the problems that the existing negative pressure screen is poor in vibrating effect, the vibrating amplitude of the negative pressure screen is overlarge, the screen mesh is easily separated from the inside of equipment, and the screening effect of concrete materials can be reduced are solved.
2. According to the utility model, the screen frame can continuously vibrate by arranging the springback component, so that the screening effect of the negative pressure screen is improved.
3. The utility model can limit and guide the moving range of the lantern ring by arranging the guide groove and the guide rod, so that the movement of the screen frame can be controlled.
4. According to the utility model, the spherical groove and the ball are arranged, the ball is embedded in the spherical groove, and the part of the ball is contacted with the guide groove, so that the friction between the guide rod and the guide groove can be reduced, and the vibration of the screen is facilitated.
5. According to the utility model, the anti-drop groove and the anti-drop rod are arranged, so that the moving range of the screen frame can be further limited, and the problem that the screen frame is difficult to control due to overlarge moving range is avoided.
6. The anti-falling rod is provided with the spherical part, so that the anti-falling rod can be prevented from being separated from the anti-falling groove from the longitudinal direction, and the moving range of the screen can be further controlled.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;
FIG. 2 is a left side view provided by an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is an enlarged view at A of FIG. 3 provided by an embodiment of the present invention;
FIG. 5 is an enlarged view at B in FIG. 3 provided by an embodiment of the present invention;
fig. 6 is an enlarged view at C in fig. 4 according to an embodiment of the present invention.
In the figure: 1. a body; 2. a screen frame; 31. a movable cavity; 32. a reduction motor; 33. a cam; 34. a collar; 35. a connecting rod; 41. a fixed block; 42. a telescoping chamber; 43. a top rod; 44. a spring; 51. a guide groove; 52. a guide bar; 61. a spherical groove; 62. a ball bearing; 71. a drop-proof groove; 72. an anti-drop rod; 8. a spherical portion.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the negative pressure screen for screening concrete materials provided by the embodiment of the present invention includes a negative pressure screen analyzer body 1, a screen frame 2 disposed on the body 1 for fixing a screen, and a vibration component disposed on the body 1 for improving the screening effect of the screen, where the vibration component includes a movable cavity 31 disposed on the body 1, a reduction motor 32 disposed on the body 1 and connected to the movable cavity 31, a cam 33 connected to an output shaft of the reduction motor 32, a collar 34 engaged with the cam 33, a connecting rod 35 disposed at one end of the collar 34, a guide component disposed at the bottom of the movable cavity 31 for controlling the moving direction of the collar 34, and a plurality of resilient components disposed opposite to the collar 34 for improving the vibration frequency of the screen, and the connecting rod 35 is fixedly connected to the screen frame 2.
Referring to fig. 5, the resilient member includes a fixed block 41 disposed in the movable chamber 31, a telescopic chamber 42 disposed in the fixed block 41, a push rod 43 disposed in the telescopic chamber 42, and a spring 44 disposed in the telescopic chamber 42 and connected to the push rod 43, wherein the push rod 43 extends to the outside of the telescopic chamber 42.
Adopt above-mentioned scheme: through setting up the part of kick-backing, can make reel 2 continue to vibrate, improve the screening effect of negative pressure sieve.
Referring to fig. 4, the guiding member includes a guiding groove 51 formed at the bottom of the movable chamber 31 and a guiding rod 52 fixedly connected to the collar 34.
Adopt above-mentioned scheme: by providing the guide grooves 51 and the guide rods 52, the range of movement of the collars 34 can be limited and guided, enabling the movement of the screen frame 2 to be controlled.
Referring to fig. 6, the guide rod 52 is provided at a bottom end thereof with a spherical groove 61, and the spherical groove 61 is internally provided with a ball 62, and a portion of the ball 62 is in contact with the guide groove 51.
Adopt above-mentioned scheme: by providing the spherical groove 61 and the balls 62, the balls 62 are embedded in the spherical groove 61, and a portion of the balls 62 is in contact with the guide groove 51, so that friction between the guide rod 52 and the guide groove 51 can be reduced, and vibration of the screen cloth is facilitated.
Referring to fig. 5, the bottom of the movable chamber 31 is provided with a separation preventing groove 71, and the screen frame 2 is provided with a separation preventing rod 72 engaged with the separation preventing groove 71.
Adopt above-mentioned scheme: through setting up anticreep groove 71 and anticreep pole 72, can avoid the too big problem that causes the wayward of reel 2 migration range to the further restriction of the home range of reel 2.
Referring to fig. 5, the bottom of the anti-slip rod 72 is provided with a spherical portion 8.
Adopt above-mentioned scheme: by providing the spherical portion 8, the separation preventing rod 72 can be prevented from being separated from the separation preventing groove 71 in the longitudinal direction, and the moving range of the screen can be further controlled.
The working principle of the utility model is as follows:
when using, at negative pressure sieve during operation, at first drive cam 33 through gear motor 32 and rotate, cam 33 can rotate in lantern ring 34, and drive reel 2 through connecting rod 35 and vibrate in activity chamber 31, when reel 2 moves towards fixed block 41 direction, spring 44 can push away ejector pin 43 and stretch out and draw back in flexible chamber 42, and push away reel 2 at the inside reverse motion of activity chamber 31, so relapse, can make the screen cloth vibrate repeatedly, reel 2 can receive anticreep pole 72 and anticreep groove 71's restriction simultaneously, can avoid the vibration range too big, can improve the screening effect of negative pressure sieve.
In summary, the following steps: this negative pressure sieve for screening based on concrete material through setting up body 1, reel 2 and vibration part, can make the vibration of negative pressure sieve, can control the amplitude of negative pressure sieve, avoids the home range of negative pressure sieve too big, and it is relatively poor to have solved the vibration effect of current negative pressure sieve, and the vibration range of negative pressure sieve is too big, causes the inside separation of screen cloth slave unit easily, can reduce the problem of concrete material's screening effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Based on concrete material screening is with negative pressure sieve, including negative pressure screen analysis appearance body (1), locate body (1) on be used for fixed screen cloth reel (2) and locate the body (1) on be used for improving the vibration part of screen cloth screening effect, its characterized in that: vibration part is including locating activity chamber (31) on body (1), locate body (1) on with activity chamber (31) continuous gear motor (32), cam (33) that link to each other with gear motor (32) output shaft, with cam (33) matched with lantern ring (34), locate connecting rod (35) of lantern ring (34) one end, locate activity chamber (31) bottom and be used for controlling lantern ring (34) moving direction's guide part and be used for improving screen cloth vibration frequency and with a plurality of parts of kick-backing that lantern ring (34) set up relatively, connecting rod (35) link firmly with reel (2).
2. The negative pressure screen for screening concrete materials according to claim 1, wherein: the resilience component comprises a fixed block (41) arranged in the movable cavity (31), a telescopic cavity (42) arranged in the fixed block (41), a mandril (43) arranged in the telescopic cavity (42) and a spring (44) arranged in the telescopic cavity (42) and connected with the mandril (43), wherein the mandril (43) extends to the outer side of the telescopic cavity (42).
3. The negative pressure screen for screening concrete materials according to claim 1, wherein: the guide part comprises a guide groove (51) arranged at the bottom of the movable cavity (31) and a guide rod (52) fixedly connected with the lantern ring (34).
4. The negative pressure screen for screening concrete materials according to claim 3, wherein: the bottom end of the guide rod (52) is provided with a spherical groove (61), the inside of the spherical groove (61) is provided with a ball (62), and part of the ball (62) is contacted with the guide groove (51).
5. The negative pressure screen for screening concrete materials according to claim 1, wherein: the bottom of activity chamber (31) is equipped with anticreep groove (71), be equipped with on reel (2) with anticreep groove (71) matched with anticreep pole (72).
6. The negative pressure screen for screening concrete materials according to claim 5, wherein: the bottom of the anti-falling rod (72) is provided with a spherical part (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123085296.6U CN216857335U (en) | 2021-12-10 | 2021-12-10 | Negative pressure sieve for sieving concrete material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123085296.6U CN216857335U (en) | 2021-12-10 | 2021-12-10 | Negative pressure sieve for sieving concrete material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216857335U true CN216857335U (en) | 2022-07-01 |
Family
ID=82127665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123085296.6U Expired - Fee Related CN216857335U (en) | 2021-12-10 | 2021-12-10 | Negative pressure sieve for sieving concrete material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216857335U (en) |
-
2021
- 2021-12-10 CN CN202123085296.6U patent/CN216857335U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220701 |