CN110652771A - Circulating filter belt tensioning device and filter - Google Patents
Circulating filter belt tensioning device and filter Download PDFInfo
- Publication number
- CN110652771A CN110652771A CN201910799941.9A CN201910799941A CN110652771A CN 110652771 A CN110652771 A CN 110652771A CN 201910799941 A CN201910799941 A CN 201910799941A CN 110652771 A CN110652771 A CN 110652771A
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- China
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- push rod
- filter belt
- tensioning
- tensioning roller
- roller shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/056—Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/804—Accessories integrally combined with devices for controlling the filtration
- B01D33/808—Accessories integrally combined with devices for controlling the filtration by pressure measuring
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
A tensioning device for a circulating filter belt comprises a driving assembly, a tensioning assembly, a supporting assembly, the circulating filter belt and a tensioning force detection device. The tension detection device detects the tension of the circulating filter belt and transmits a signal to the driving assembly, and the driving assembly drives the tensioning assembly and presses down and tensions the circulating filter belt coated on the tensioning assembly. The device can automated inspection circulation filter belt's rate of tension to automatic tensioning carries out when circulation filter belt operation. Through the tensioning structure, the uniformity of the tension degree of the circulating filter belt in the whole system can be ensured, and the problems that the circulating filter belt is stacked in the system and the circulating filter belt slips are solved.
Description
Technical Field
The invention belongs to a cutting fluid treatment device, and is particularly suitable for tensioning a circulating filter belt in a negative pressure filter.
Background
The traditional circulating filter belt tensioning device of the negative pressure filter system is mainly arranged at the tail of the device, the tensioning device is generally a static adjusting device and can only be used for tensioning and adjusting under the static condition of the circulating filter belt, the size of the device is generally large due to the negative pressure, most of the circulating filter belt is tightly pressed under a box body chain during static adjustment, the winding mode of the circulating filter belt is complex outside the box body, the whole circulating filter belt cannot be uniformly tensioned during tensioning, only the part near the tensioning device is actually tensioned, and the problems of stacking and slipping of part of the filter belt can also occur. The purpose of complete tensioning is not achieved.
Disclosure of Invention
In order to solve the problem of unbalanced tensioning of the circulating filter belt and ensure normal circulation of the circulating filter belt in a system, the device for tensioning the circulating filter belt is arranged in a filter, can automatically detect the tension degree of the circulating filter belt and automatically performs tensioning when the circulating filter belt runs. Through the tensioning structure, the uniformity of the tension degree of the circulating filter belt in the whole system can be ensured, and the problems that the circulating filter belt is stacked in the system and the circulating filter belt slips are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a circulating filter belt tensioning device comprises a driving assembly, a tensioning assembly, a supporting assembly and a circulating filter belt; the driving assembly comprises a push rod and a push rod head, and the push rod is fixedly connected with one end of the push rod head; the tensioning assembly comprises a tensioning roller shaft and a tensioning roller shaft fixing seat, two ends of the tensioning roller shaft are respectively installed on the tensioning roller shaft fixing seat, and the other end of the push rod head is attached to one surface, parallel to the axis of the tensioning roller shaft, of the tensioning roller shaft fixing seat; the supporting assembly comprises push rod guide rails, fixing blocks and elastic pieces, the two push rod guide rails are respectively and symmetrically arranged on two sides of the push rod, which are perpendicular to the end face of the tensioning roller shaft, and the tensioning roller shaft fixing seat is provided with a section matched with the inner side shapes of the two push rod guide rails in a direction parallel to the end face of the tensioning roller shaft; the fixed blocks are respectively fixed on two outer sides of the push rod guide rail, one end of the elastic piece is connected with the push rod guide rail, and the other end of the elastic piece is connected with the fixed blocks; the circulating filter belt is coated on the outer circular surface of the tensioning roller shaft.
Furthermore, the cross-sectional dimension of the push rod head (220) in the direction of the end face of the tensioning roller shaft is smaller than that of the tensioning roller shaft fixing seat (320).
Further, the support assembly further comprises at least 4 guide rods.
Furthermore, a guide groove matched with the guide rod is arranged in the direction of the push rod guide rail parallel to the end face of the tensioning roller shaft.
Further, the supporting component is arranged at one end of the tensioning roller shaft or symmetrically arranged at two ends of the tensioning roller shaft.
Furthermore, the fixed block and the elastic element are arranged at least one group on one side of each push rod guide rail, and the fixed block and the elastic element are optimally and symmetrically arranged.
Furthermore, the tension detection device is further included and is used for detecting the tension of the filter belt and transmitting instructions to the driving assembly.
Further, a filter, including any one above-mentioned circulating filter belt overspeed device tensioner, circulating filter belt overspeed device tensioner install on the filter.
According to the technical scheme, the tension detection device has the beneficial effects that the tension detection device automatically detects the tension condition of the circulating filter belt and transmits an instruction to the driving assembly, the push rod in the driving assembly drives the push rod head to push the tension roller shaft fixing seat, the tension roller shaft arranged on the tension roller shaft fixing seat runs along the running direction of the push rod head, and then the circulating filter belt wrapped on the outer circular surface of the tension roller shaft runs along with the running direction of the tension roller shaft and is tensioned. The tensioning process can automatically detect and tension when the circulating filter belt dynamically runs, and the problem that the circulating filter belt is loosened and tensioned unevenly is solved.
Drawings
FIG. 1 is a schematic elevation view of an endless filter belt tensioner according to one embodiment of the present disclosure;
FIG. 2 is a schematic side view of an endless filter belt tensioner according to one embodiment of the present disclosure;
FIG. 3 is a schematic illustration of an endless filter belt tensioner according to one embodiment of the present disclosure;
FIG. 4 is a schematic illustration of an endless filter belt tensioner according to one embodiment of the present disclosure;
in the drawings: 10-circulating filter belt tensioning device, 100-filter belt, 200-driving assembly, 210-hydraulic push rod, 220-push rod head, 300-tensioning assembly, 310-tensioning roller shaft, 320-tensioning roller shaft fixing seat, 400-supporting assembly, 410-push rod guide rail, 411-guide groove, 420-elastic element, 430-fixing block, 440-guide rod, 500-tension detection device, 20-filter and 21-shell.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that 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. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments. As used herein, the term "secured" may be mounted, welded, riveted, etc., and the term "connected" may be directly connected, indirectly connected, and the like for the purpose of illustrating the invention.
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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment, an endless filter belt tensioning device comprises a drive assembly, a tensioning assembly, a support assembly, an endless filter belt; the driving assembly comprises a push rod and a push rod head, and the push rod is fixedly connected with one end of the push rod head; the tensioning assembly comprises a tensioning roller shaft and a tensioning roller shaft fixing seat, two ends of the tensioning roller shaft are respectively installed on the tensioning roller shaft fixing seat, and the other end of the push rod head is attached to one surface, parallel to the axis of the tensioning roller shaft, of the tensioning roller shaft fixing seat; the supporting assembly comprises push rod guide rails, fixing blocks and elastic pieces, the two push rod guide rails are respectively and symmetrically arranged on two sides of the push rod, which are perpendicular to the end face of the tensioning roller shaft, and the tensioning roller shaft fixing seat is provided with a section matched with the inner side shapes of the two push rod guide rails in a direction parallel to the end face of the tensioning roller shaft; the fixed blocks are respectively fixed on two outer sides of the push rod guide rail, one end of the elastic piece is connected with the push rod guide rail, and the other end of the elastic piece is connected with the fixed blocks; the circulating filter belt is coated on the outer circular surface of the tensioning roller shaft. The circulating filter belt tensioning device further comprises a tensioning force detection device, and the tensioning force detection device is used for detecting the tensioning force of the filter belt and transmitting an instruction to the driving assembly.
Above-mentioned circulating filtration belt overspeed device tensioner detects circulating filtration belt's tensile force through tensile force detection device, and when circulating filtration belt lax, tensile force detection device can send the instruction to drive assembly, and push rod drive push rod head in the drive assembly pushes away tensioning roller fixing base, installs the tensioning roller that installs on tensioning roller fixing base and also moves along push rod head traffic direction, and then the circulating filtration belt of parcel in the outer disc of tensioning roller also moves thereupon and then the tensioning. The dynamic tensioning of the circulating filter belt can be automatically realized, and the problem of uneven tensioning of the circulating filter belt is solved.
The endless filter belt tensioning device is described below with reference to specific embodiments to further understand the inventive concepts of the endless filter belt tensioning device.
Referring to fig. 1 and 2, an endless filter belt tensioning device 10 includes a movable drive assembly 200, a tensioning assembly 300, a support assembly 400, and an endless filter belt 100. The driving assembly 200 comprises a hydraulic cylinder 210 and a push rod head 220, wherein the hydraulic cylinder is fixedly connected with one end of the push rod head 220. Tensioning assembly 300 includes tensioning roller 310, tensioning roller fixing base 320, install respectively at tensioning roller 310 both ends on the tensioning roller fixing base 320, the push rod head 220 other end with tensioning roller fixing base 320 is perpendicular the one side laminating of tensioning roller 310 terminal surface. The support assembly 400 comprises a push rod guide rail 410, an elastic member 420 and a fixing block 430, wherein two push rod guide rails 410 are respectively and symmetrically arranged on two sides of the hydraulic push rod 210 parallel to the end surface of the tensioning roller shaft 310. Specifically, the opposite sides of the two push rod guide rails 410 are symmetrically provided with saw teeth. The tensioning roller shaft fixing seats 3 and 0 are provided with sections matched with the saw teeth on the inner sides of the two push rod guide rails 410 in the direction parallel to the end surfaces of the tensioning roller shafts 310 and are meshed with each other. The fixing blocks 430 are respectively fixed at the outer sides of the two push rod guide rails 410, one end of the elastic member 420 is connected with the push rod guide rails 410, and the other end is connected with the fixing blocks 430. It should be noted that when the hydraulic push rod 210 is pushed down, the toothed engaging surfaces of the push rod guide 410 and the tension roller shaft holder 320 can move downward and push the push rod guide 410 to move to both sides, and when reaching the next engaging tooth, the elastic member 420 can instantly push the push rod guide 410 to engage with the toothed teeth of the tension roller shaft holder 320, so as to prevent the tension roller shaft holder from moving back. It should be noted that, the adoption of the sawtooth meshing structure can effectively fix the position of the tensioning roller shaft, and meanwhile, the hydraulic push rod cannot continuously receive the reverse thrust after the work is finished, so that the service life of the hydraulic push rod is prolonged.
Further, referring to fig. 1, a cross-sectional dimension of the push rod head 220 in the direction of the end surface of the tension roller shaft 310 is smaller than a cross-sectional dimension of the tension roller shaft holder 320. The purpose is to facilitate normal push down of the hydraulic push rod 21.
In one embodiment, referring to fig. 1, the supporting assembly 400 further includes 6 guide rods 440 symmetrically disposed on both sides of the hydraulic push rod 210. Guide grooves 411 matched with the guide rods are symmetrically arranged on the two push rod guide rails 410 respectively, the guide rods are embedded into the guide grooves, and the guide grooves can be used as tracks of the guide rods. The main purpose is to prevent the problem that when the hydraulic push rod 210 is pushed down, the push rod guide rails 410 on both sides are inclined in the moving process, which causes the problem that the teeth are staggered with the tension roller shaft fixing seat 420 and the engagement is not good. It should be noted that, in order to facilitate the pushing down of the hydraulic push rod 210, the width of the guide slot 411 in the push rod guide rail running direction is greater than that of the guide rod, and the guide rod can swing left and right in the track thereof. Preferably, the lateral clearance between the guide bar and the guide groove needs to be larger than the lateral displacement of the push rod guide 410. The number of the guide rods is flexibly designed according to the size of the push rod guide rail, and at least 4 guide rods are recommended, and 2 guide rods are recommended at two sides of each guide rod.
Further, referring to fig. 1, the fixing block 430 and the elastic member 420 are respectively disposed at one side of the two push rod guide rails 410, and are disposed in a group. It should be noted that, if the size of the push rod guide rail 41 is large, the fixing blocks and the elastic members may be arranged in multiple groups, and the fixing blocks and the elastic members are respectively installed on two sides of the push rod guide rail, and are preferably symmetrically arranged.
In one embodiment, the endless filter belt tensioning device further comprises a tension detection device 500 disposed on the endless filter belt 100 for detecting a tension of the endless filter belt and transmitting a command to the drive assembly 200. Specifically, the tension detection device is a pressure sensing element, a tension sensing contact is arranged on the pressure sensing element, and the tension condition of the circulating filter belt is sensed through the tension sensing contact so as to transmit data and send instructions.
Referring to fig. 2 and 3 together, in one embodiment, a filter 20 includes the endless filter belt tensioning device 10 of any of the above embodiments, which is mounted on the filter. Specifically, the filter comprises a shell 21, the tensioning roller shaft fixing seats 320 in the circulating filter belt tensioning device 10 are installed on two sides of the shell 21, and the fixing blocks 430 are also fixed on the shell 21. The circulating filter belt 100 is wrapped on the outer circumferential surface of the tension roller 310. The tension detecting device 500 is disposed at one side of the endless filter belt 100 and near the endless filter belt tensioning device 10.
The tension detection device 500 also starts to operate when the filter 20 starts to operate the endless filter belt. Within 5-10 seconds of the operation of the endless filter belt 100, the tension detection device transmits pressure data of the endless filter belt surface to the tension sensing contact to a control cabinet (not shown), and the control cabinet determines the tension of the endless filter belt through calculation and analysis. When the tension of the circulating filter belt 100 is insufficient, the control cabinet automatically calculates the running distance of the hydraulic push rod 210, and further calculates the electrifying time of the hydraulic push rod 210, then the control cabinet electrifys the hydraulic push rod, the push rod head 220 pushes the tensioning roller shaft fixing seat 320 to move downwards, and the tensioning roller shaft 310 connected with the push rod head pushes the tensioning roller shaft fixing seat 320 to move downwards, so that the circulating filter belt 100 coated on the tensioning roller shaft is pushed downwards to be tensioned. In the tensioning process, when the tensioning roller shaft fixing seat moves downwards, the saw teeth also move downwards along with the tensioning roller shaft fixing seat, and the push rod guide rails 410 on the two sides are stretched. When the movement of the hydraulic push rod 210 is stopped, the elastic member 420 installed between the fixing member 430 and the push rod guide 410 makes the two push rod guide 410 automatically abut against each other, so that the tension roller shaft fixing seat 320 engages with and locks the saw teeth of the push rod guide 410, thereby preventing the push rod guide from moving back. In order to prevent the left and right push rod guides 410 from tilting during the tensioning movement and causing the engagement failure with the tensioning roller shaft holders, fixed guide rods 440 are provided on the left and right push rod guides 410. One end of the guide rod is fixedly installed on the housing 21, and the other end is embedded in the guide slot 411 of the push rod guide rail 410. When the push rod guide rail is unfolded to move towards two sides, the guide rod can be used as a running track to enable the push rod guide rail to move horizontally, and the push rod guide rail cannot incline.
The invention can be completed in a short time after detecting the action of the push rod and calculating by the system, thereby realizing the intellectualization and automation of tension adjustment. Secondly, the invention belongs to micro-small stroke adjustment, so that the service life of the circulating filter belt is longer, and the phenomenon that the filter hole clearance of the circulating filter belt is increased and the filtering precision is reduced due to the adjustment of the circulating filter belt with a large stroke is avoided.
It should be noted that the supporting assembly 400 may be disposed at one end of the tensioning roller shaft or disposed at two ends of the tensioning roller shaft respectively according to actual needs (according to the width of the circulating filter belt).
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The tensioning device for the circulating filter belt is characterized by comprising a driving assembly, a tensioning assembly, a supporting assembly and the circulating filter belt;
the driving assembly comprises a push rod (210) and a push rod head (220), and the push rod (210) is fixedly connected with one end of the push rod head (220);
the tensioning assembly comprises a tensioning roller shaft (310) and a tensioning roller shaft fixing seat (320), the tensioning roller shaft fixing seat (320) is respectively installed at two ends of the tensioning roller shaft (310), and the other end of the push rod head (220) is attached to one surface, perpendicular to the end face of the tensioning roller shaft, of the tensioning roller shaft fixing seat (320);
the supporting assembly comprises push rod guide rails (410), elastic pieces (420) and fixing blocks (430), the push rod guide rails (410) are respectively and symmetrically arranged on two sides of the push rod (210) perpendicular to the end faces of the tensioning roller shafts (310), and the tensioning roller shaft fixing seats (320) are provided with sections matched with the inner side shapes of the two push rod guide rails (410) in the direction parallel to the end faces of the tensioning roller shafts (310); the fixing blocks (430) are respectively fixed on the outer sides of the two push rod guide rails (410), one end of the elastic piece (420) is connected with the push rod guide rails (410), and the other end of the elastic piece is connected with the fixing blocks (430); the circulating filter belt is coated on the outer circular surface of the tensioning roller shaft.
2. An endless filter belt tensioning device according to claim 1, characterised in that the cross-sectional dimension of the pusher head (220) in the direction of the end face of the tensioning roller (310) is smaller than the cross-sectional dimension of the tensioning roller mount (320).
3. An endless filter belt tensioning device according to claim 1, wherein the support assembly further comprises at least 4 guide rods (440).
4. An endless filter belt tensioning device according to claim 1, characterised in that a guide slot (411) matching the guide bar (440) is provided in the face of the push rod guide (410) parallel to the end face of the tensioning roller shaft.
5. An endless filter belt tensioning device according to claim 1, wherein the support assembly is provided at one end of the tensioning roller (310) or symmetrically at both ends of the tensioning roller.
6. An endless filter belt tensioning device according to claim 1, characterised in that the fixing block (26), the resilient member (27) is provided in at least one set on one side of each of the push rod guide rails (25).
7. An endless filter belt tensioning device according to claim 1, further comprising a tension detection means (500), said tension detection means (500) being adapted to detect tension in the filter belt and to communicate a command to the drive means.
8. A filter is characterized by comprising the circulating filter belt tensioning device according to any one of the items 1 to 7, wherein the circulating filter belt tensioning device is arranged on the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910799941.9A CN110652771B (en) | 2019-08-28 | 2019-08-28 | Circulating filter belt tensioning device and filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910799941.9A CN110652771B (en) | 2019-08-28 | 2019-08-28 | Circulating filter belt tensioning device and filter |
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| Publication Number | Publication Date |
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| CN110652771A true CN110652771A (en) | 2020-01-07 |
| CN110652771B CN110652771B (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910799941.9A Active CN110652771B (en) | 2019-08-28 | 2019-08-28 | Circulating filter belt tensioning device and filter |
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| CN (1) | CN110652771B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389077A (en) * | 2020-04-10 | 2020-07-10 | 施亮 | Filter belt of belt type filter-pressing dehydrator capable of preventing failure and controlling tension |
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| CN111389077A (en) * | 2020-04-10 | 2020-07-10 | 施亮 | Filter belt of belt type filter-pressing dehydrator capable of preventing failure and controlling tension |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110652771B (en) | 2021-12-17 |
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