CN105031983A - Pressing mechanism of filter press used for pressing filtering materials - Google Patents
Pressing mechanism of filter press used for pressing filtering materials Download PDFInfo
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- CN105031983A CN105031983A CN201510399782.5A CN201510399782A CN105031983A CN 105031983 A CN105031983 A CN 105031983A CN 201510399782 A CN201510399782 A CN 201510399782A CN 105031983 A CN105031983 A CN 105031983A
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Abstract
The invention discloses a pressing mechanism of a filter press used for pressing filtering materials. The pressing mechanism comprises a filter board, a pressure cover, an oil cylinder, a piston, a piston rod and a safety assembly, wherein the filter board and the pressure cover are connected; the piston is arranged in the oil cylinder and used for dividing the inner part of the oil cylinder into a high-pressure oil cavity and a low-pressure oil cavity; the right end of the piston rod is arranged in the low-pressure oil cavity and is connected with the piston; and the left end of the piston rod penetrates through the oil cylinder and then acts on the pressure cover. A low-pressure oil inlet and a low-pressure oil outlet which communicate with the low-pressure oil cavity as well as a high-pressure oil inlet and a high-pressure oil outlet which communicate with the high-pressure oil cavity are formed in the oil cylinder. The piston forms an oil liquid runner which communicate with the low-pressure oil cavity and the high-pressure oil cavity; and the safety assembly comprises a concave barrel sleeve, a barrel sleeve, a steel ball, a first pressure plate, a second pressure plate, a first guide rod, a second guide rod, a spiral spring, a limiting plate and a pressure buffer ring. The pressing mechanism is simple in integral structure, convenient in implementation, low in cost, convenient, time-saving and labor-saving in operation during application, capable of improving the pressing efficiency, and is convenient in popularization and application.
Description
Technical field
The present invention relates to technical field of solid-liquid separation equipment, specifically for compressing the filter press hold-down mechanism of filter material.
Background technology
Plate and frame type filter-press is a kind of filter plant realizing Separation of Solid and Liquid in filter material, and it is widely used in the technological process of production and the sewage disposal of the industries such as oil, chemical industry, medicine, food, metallurgy, coal.After filter material passes into plate and frame type filter-press, by press filtration operation, liquid is discharged, and solid-state filter cake is formed between the filter cloth in adjacent two filter pad chamber.Current plate and frame type filter-press carry out press filtration operation time mainly through manually compress and mechanical compaction two kinds of modes, wherein, adopt the mode manually compressed to there is the problems such as efficiency is low, operating personnel's labour intensity is large, and adopt mechanical compaction mode exist hold-down mechanism complex structure, cost high, be not easy to problems such as applying.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of filter press hold-down mechanism for compressing filter material, its overall structure is simple, be convenient to realize, cost is low, and it carries out simple operation when press filtration operates, time saving and energy saving, can promote and compress efficiency, so that easy to utilize.
The present invention solves the problem and is achieved through the following technical solutions: for compressing the filter press hold-down mechanism of filter material, comprise filter plate, gland, oil cylinder, piston, piston rod and security component, described filter plate is connected with gland, described piston to be located in oil cylinder and point grease trap Inner Constitution high-voltage oil cavity and low pressure oil pocket, described piston rod right-hand member to be located in low pressure oil pocket and to be connected with piston, and its left end passes oil cylinder and acts on gland; Described oil cylinder is provided with the low pressure oil import and low pressure oil outlet of connecting low pressure oil pocket, and connects hydraulic oil import and the hydraulic oil outlet of high-voltage oil cavity; Described piston is configured with the first liquid flow channel for oil connecting low pressure oil pocket and the second liquid flow channel for oil connecting high-voltage oil cavity, and the first liquid flow channel for oil and the second liquid flow channel for oil coaxially arrange and connect each other, and the internal diameter of the first liquid flow channel for oil is less than the internal diameter of the second liquid flow channel for oil; Described security component comprises recessed jacket casing, jacket casing, steel ball, the first pressing plate, the second pressing plate, the first guide rod, the second guide rod, helical spring, limiting plate and pressure buffer ring, described recessed jacket casing and jacket casing are all located in the first liquid flow channel for oil, recessed jacket casing to be positioned on the left of jacket casing and to splice with jacket casing, described steel ball is positioned at jacket casing, steel ball size is greater than the internal diameter of recessed jacket casing and is less than the internal diameter of jacket casing, and described pressure buffer is located between recessed jacket casing left end and the second runner left side wall; Described first pressing plate is positioned at recessed jacket casing, and the first guide rod right-hand member is connected with the first pressing plate, and its left end is successively through being arranged in low pressure oil pocket after recessed jacket casing, pressure buffer ring, the first liquid flow channel for oil; Described second pressing plate and limiting plate are all positioned at jacket casing, limiting plate is positioned on the right side of steel ball, second pressing plate is between steel ball and limiting plate, jacket casing right-hand member indent is configured with the position limiting convex ring that restriction limiting plate moves to right, described second guide rod left end is connected with the second pressing plate, its right-hand member is through limiting plate and be located in high-voltage oil cavity, and described helical spring is set on the second guide rod and its two ends act on the second pressing plate and limiting plate respectively.Be equipped with low pressure gear oil pump when the present invention applies and the reciprocal oil pump of high pressure uses, in low pressure oil pocket, inject low pressure oil by low pressure gear oil pump, and the reciprocal oil pump of high pressure injects hydraulic oil in high-voltage oil cavity, and to carry out piston rod reciprocating.
In order to sealing property when jigger lifting piston is shifted between itself and oil cylinder, further, described piston side wall indent is configured with the closed form groove around its center line, and be filled with sealing ring in this closed form groove, described sealing ring contacts with oil cylinder madial wall.
Further, the material of described sealing ring adopts rubber.
Further, the material of described pressure buffer ring adopts rubber.
Further, described recessed jacket casing is identical with the external diameter of jacket casing.
Further, described oil cylinder is connected with elastic block piece through on the madial wall of piston rod side, and described piston rod is through elastic block piece.So, when the present invention applies under the effect of elastic block piece, can damper piston to the active force of oil cylinder.
Further, the material of described elastic block piece adopts rubber.
In sum, the present invention has following beneficial effect: (1) overall structure of the present invention is simple, be convenient to realize, cost is low, when the present invention carries out press filtration operation, first in high-voltage oil cavity, inject hydraulic oil by the reciprocal oil pump of high pressure, pressurize a period of time when oil pressure in high-voltage oil cavity reaches setting oil pressure, and carry out press filtration operation, after completing press filtration operation, in low pressure oil pocket, inject low pressure oil by low pressure gear oil pump again and make high-voltage oil cavity pressure release until pressure release is complete, when low pressure oil pocket reaches setting oil pressure, piston rod no longer applies active force to filter plate, blanking and the operation of cleaning filter cloth can be carried out.When the present invention applies, overall operation is simple, and simple operation is time saving and energy saving, can promote and compress efficiency, so, easy to utilize.
(2) the present invention is by arranging through two ends, piston left and right and the security component of connection low pressure oil pocket and high-voltage oil cavity, wherein, in security component, pressure buffer ring contacts as a sealing surface with recessed jacket casing left end, steel ball contacts as another sealing surface with recessed jacket casing right-hand member, when the present invention is in installment state, seal pressure on two sealing surfaces realizes initial sealing by helical spring effect reaches pretension specific pressure, when the present invention starts working, hydraulic oil pumps into high-voltage oil cavity, in high-voltage oil cavity, oil pressure progressively raises and drives the further compression helical spring of limiting plate, and then compression steel ball, thus the seal pressure on two sealing surfaces is increased along with the increase of oil pressure, realize the sealing under duty.When piston exceedes desired location continuation left lateral; first guide rod and cylinder side wall collide and promote the first guide rod and run to the right and back down steel ball; thus make the hydraulic oil of high-voltage oil cavity leak into low pressure oil pocket by the sealing surface of steel ball and recessed jacket casing; and then stop the continuation left lateral of piston, the object of protection oil cylinder and filter plate can be reached.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's specific embodiment;
Fig. 2 is the structural representation of the present invention's specific embodiment.
Name in accompanying drawing corresponding to Reference numeral is called: 1, filter plate, 2, security component, 201, recessed jacket casing, 202, jacket casing, 203, steel ball, the 204, first pressing plate, the 205, second pressing plate, the 206, first guide rod, 207, the second guide rod, 208, helical spring, 209, limiting plate, 210, pressure buffer ring, 3, oil cylinder, 4, piston, 5, piston rod, 6, low pressure oil import, 7, low pressure oil outlet, 8, hydraulic oil import, 9, hydraulic oil outlet, 10, elastic block piece, 11, sealing ring, 12, gland.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, detailed description is further done to the present invention, but embodiments of the present invention are not limited thereto.
Embodiment 1:
As shown in Figures 1 and 2, for compressing the filter press hold-down mechanism of filter material, comprise filter plate 1, security component 2, oil cylinder 3, piston 4, piston rod 5 and gland 12, wherein, filter plate 1 is connected with gland 12, piston 4 to be located in oil cylinder 3 and point grease trap 3 Inner Constitution high-voltage oil cavity and low pressure oil pocket, piston rod 5 right-hand member to be located in low pressure oil pocket and to be connected with piston 4, its left end is through oil cylinder 3 and act on gland 12, and the position that in the present embodiment, piston 4 connects piston rod 5 is specifically positioned at the side wall centers that it forms low pressure oil pocket.The oil cylinder 3 of the present embodiment is provided with low pressure oil import 6, low pressure oil outlet 7, hydraulic oil import 8 and hydraulic oil outlet 9, and low pressure oil import 6 and low pressure oil outlet 7 are all connected with low pressure oil pocket, and hydraulic oil import 8 and hydraulic oil outlet 9 are all connected with high-voltage oil cavity.
The piston 4 of the present embodiment is configured with the first liquid flow channel for oil connecting low pressure oil pocket and the second liquid flow channel for oil connecting high-voltage oil cavity, first liquid flow channel for oil and the second liquid flow channel for oil coaxially arrange and connect each other, and the internal diameter of the first liquid flow channel for oil is less than the internal diameter of the second liquid flow channel for oil.Security component 2 comprises recessed jacket casing 201, jacket casing 202, steel ball 203, first pressing plate 204, second pressing plate 205, first guide rod 206, second guide rod 207, helical spring 208, limiting plate 209 and pressure buffer ring 210, wherein, recessed jacket casing 201 and jacket casing 202 are all located in liquid flow channel for oil, recessed jacket casing is identical with the external diameter of jacket casing, recessed jacket casing 201 to be positioned on the left of jacket casing 202 and to splice with jacket casing 202, steel ball 203 is positioned at jacket casing 202, steel ball 203 diameter is greater than the internal diameter of recessed jacket casing 201 and is less than the internal diameter of jacket casing 202, pressure buffer ring 210 is located between recessed jacket casing 201 left end and the second runner left side wall.First pressing plate 204 is positioned at recessed jacket casing 201, first guide rod 206 right-hand member and is connected with the first pressing plate 204, and its left end is arranged in low pressure oil pocket through after recessed jacket casing 201, pressure buffer ring 210, first liquid flow channel for oil successively.Second pressing plate 205 of the present embodiment and limiting plate 209 are all positioned at jacket casing 202, limiting plate 209 is positioned on the right side of steel ball 203, second pressing plate 205 is between steel ball 203 and limiting plate 209, and jacket casing 202 right-hand member indent is configured with the position limiting convex ring that restriction limiting plate 209 moves to right.Second guide rod 207 left end of the present embodiment is connected with the second pressing plate 205, and its right-hand member is through limiting plate 209 and be located in high-voltage oil cavity, and helical spring 208 is set on the second guide rod 207 and its two ends act on the second pressing plate 205 and limiting plate 209 respectively.Convenient in order to draw materials, in the present embodiment, the material of pressure buffer ring 210 adopts rubber.
Be equipped with low pressure gear oil pump during the present embodiment application and the reciprocal oil pump of high pressure uses, in low pressure oil pocket, inject low pressure oil by low pressure gear oil pump, and the reciprocal oil pump of high pressure injects hydraulic oil in high-voltage oil cavity, and to carry out piston rod 5 reciprocating.
Embodiment 2:
In order to the sealing property between jigger lifting piston 4 and oil cylinder 3, the present embodiment has made following restriction further on the basis of embodiment 1: piston 4 concave side wall of the present embodiment is configured with the closed form groove around its center line, sealing ring 11 is filled with in this closed form groove, wherein, sealing ring 11 contacts with oil cylinder 3 madial wall.Convenient in order to draw materials, in the present embodiment, the material of sealing ring 11 adopts rubber.
Embodiment 3:
The present embodiment have been made and have been limited further as follows on the basis of embodiment 1 or embodiment 2: in the present embodiment, oil cylinder 3 is connected with elastic block piece 10 through on the madial wall of piston rod 5 side, wherein, the material of elastic block piece 10 adopts rubber, and piston rod 5 is through elastic block piece 10.
As mentioned above, the present invention can be realized preferably.
Claims (7)
1. for compressing the filter press hold-down mechanism of filter material, it is characterized in that, comprise filter plate (1), gland (12), oil cylinder (3), piston (4), piston rod (5) and security component (2), described filter plate (1) is connected with gland (12), described piston (4) to be located in oil cylinder (3) and point grease trap (3) Inner Constitution high-voltage oil cavity and low pressure oil pocket, described piston rod (5) right-hand member to be located in low pressure oil pocket and to be connected with piston (4), and its left end passes oil cylinder (3) and acts on gland (12), described oil cylinder (3) is provided with the low pressure oil import (6) and low pressure oil outlet (7) of connecting low pressure oil pocket, and connects hydraulic oil import (8) and hydraulic oil outlet (9) of high-voltage oil cavity, described piston (4) is configured with the first liquid flow channel for oil connecting low pressure oil pocket and the second liquid flow channel for oil connecting high-voltage oil cavity, first liquid flow channel for oil and the second liquid flow channel for oil coaxially arrange and connect each other, and the internal diameter of the first liquid flow channel for oil is less than the internal diameter of the second liquid flow channel for oil, described security component (2) comprises recessed jacket casing (201), jacket casing (202), steel ball (203), first pressing plate (204), second pressing plate (205), first guide rod (206), second guide rod (207), helical spring (208), limiting plate (209) and pressure buffer ring (210), described recessed jacket casing (201) and jacket casing (202) are all located in the second liquid flow channel for oil, recessed jacket casing (201) is positioned at jacket casing (202) left side and splices with jacket casing (202), described steel ball (203) is positioned at jacket casing (202), steel ball (203) diameter is greater than the internal diameter of recessed jacket casing (201) and is less than the internal diameter of jacket casing (202), described pressure buffer ring (210) is located between recessed jacket casing (201) left end and the second runner left side wall, described first pressing plate (204) is positioned at recessed jacket casing (201), first guide rod (206) right-hand member is connected with the first pressing plate (204), and its left end is successively through being arranged in low pressure oil pocket after recessed jacket casing (201), pressure buffer ring (210), the first liquid flow channel for oil, described second pressing plate (205) and limiting plate (209) are all positioned at jacket casing (202), limiting plate (209) is positioned at steel ball (203) right side, second pressing plate (205) is positioned between steel ball (203) and limiting plate (209), jacket casing (202) right-hand member indent is configured with the position limiting convex ring that restriction limiting plate (209) moves to right, described second guide rod (207) left end is connected with the second pressing plate (205), its right-hand member passes limiting plate (209) and is located in high-voltage oil cavity, described helical spring (208) is set in that the second guide rod (207) is upper and its two ends act on the second pressing plate (205) and limiting plate (209) respectively.
2. the filter press hold-down mechanism for compressing filter material according to claim 1, it is characterized in that, described piston (4) concave side wall is configured with the closed form groove around its center line, be filled with sealing ring (11) in this closed form groove, described sealing ring (11) contacts with oil cylinder (3) madial wall.
3. the filter press hold-down mechanism for compressing filter material according to claim 2, is characterized in that, the material of described sealing ring (11) adopts rubber.
4. the filter press hold-down mechanism for compressing filter material according to claim 1, is characterized in that, the material of described pressure buffer ring (210) adopts rubber.
5. the filter press hold-down mechanism for compressing filter material according to claim 1, is characterized in that, described recessed jacket casing (201) is identical with jacket casing (202) both external diameters.
6. according to the filter press hold-down mechanism for compressing filter material in Claims 1 to 5 described in any one, it is characterized in that, the madial wall of described oil cylinder (3) through piston rod (5) side is connected with elastic block piece (10), and described piston rod (5) is through elastic block piece (10).
7. the filter press hold-down mechanism for compressing filter material according to claim 6, is characterized in that, the material of described elastic block piece (10) adopts rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399782.5A CN105031983A (en) | 2015-07-09 | 2015-07-09 | Pressing mechanism of filter press used for pressing filtering materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399782.5A CN105031983A (en) | 2015-07-09 | 2015-07-09 | Pressing mechanism of filter press used for pressing filtering materials |
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| Publication Number | Publication Date |
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| CN105031983A true CN105031983A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510399782.5A Pending CN105031983A (en) | 2015-07-09 | 2015-07-09 | Pressing mechanism of filter press used for pressing filtering materials |
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| CN (1) | CN105031983A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067703U (en) * | 1990-05-29 | 1990-12-19 | 谷朝华 | Continuous oil supply device for hydraulic jack |
| JP3636457B2 (en) * | 2003-08-20 | 2005-04-06 | 株式会社栗田機械製作所 | PRESSURE TYPE FILTER PRESS AND FILTER PRESSING METHOD OF FILTER PRESS |
| CN201175602Y (en) * | 2008-04-14 | 2009-01-07 | 姜桂廷 | Compressing device of filter press |
| CN201507277U (en) * | 2009-09-16 | 2010-06-16 | 杨军 | Blowout prevention pressure testing and oil drain switch |
| CN201692712U (en) * | 2010-06-11 | 2011-01-05 | 德阳市南邡有色金属有限公司 | Hydraulic device for plate and frame type filter press |
| CN201730895U (en) * | 2010-08-18 | 2011-02-02 | 三一重工股份有限公司 | Engineering machinery as well as double-acting hydraulic cylinder and single-acting hydraulic cylinder thereof |
| CN202876468U (en) * | 2012-09-11 | 2013-04-17 | 邹平县滨渤生物科技有限公司 | Plate-and-frame filter press |
| CN203441862U (en) * | 2013-08-29 | 2014-02-19 | 江苏赛德力制药机械制造有限公司 | Driving oil cylinder of filtering machine discharge device |
| CN204865142U (en) * | 2015-07-09 | 2015-12-16 | 成都科力夫科技有限公司 | Compress tightly filter material's device in pressure filter |
-
2015
- 2015-07-09 CN CN201510399782.5A patent/CN105031983A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067703U (en) * | 1990-05-29 | 1990-12-19 | 谷朝华 | Continuous oil supply device for hydraulic jack |
| JP3636457B2 (en) * | 2003-08-20 | 2005-04-06 | 株式会社栗田機械製作所 | PRESSURE TYPE FILTER PRESS AND FILTER PRESSING METHOD OF FILTER PRESS |
| CN201175602Y (en) * | 2008-04-14 | 2009-01-07 | 姜桂廷 | Compressing device of filter press |
| CN201507277U (en) * | 2009-09-16 | 2010-06-16 | 杨军 | Blowout prevention pressure testing and oil drain switch |
| CN201692712U (en) * | 2010-06-11 | 2011-01-05 | 德阳市南邡有色金属有限公司 | Hydraulic device for plate and frame type filter press |
| CN201730895U (en) * | 2010-08-18 | 2011-02-02 | 三一重工股份有限公司 | Engineering machinery as well as double-acting hydraulic cylinder and single-acting hydraulic cylinder thereof |
| CN202876468U (en) * | 2012-09-11 | 2013-04-17 | 邹平县滨渤生物科技有限公司 | Plate-and-frame filter press |
| CN203441862U (en) * | 2013-08-29 | 2014-02-19 | 江苏赛德力制药机械制造有限公司 | Driving oil cylinder of filtering machine discharge device |
| CN204865142U (en) * | 2015-07-09 | 2015-12-16 | 成都科力夫科技有限公司 | Compress tightly filter material's device in pressure filter |
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Application publication date: 20151111 |