CN215841815U - Pressure bearing plate structure of plate-and-frame filter press - Google Patents
Pressure bearing plate structure of plate-and-frame filter press Download PDFInfo
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- CN215841815U CN215841815U CN202122202617.XU CN202122202617U CN215841815U CN 215841815 U CN215841815 U CN 215841815U CN 202122202617 U CN202122202617 U CN 202122202617U CN 215841815 U CN215841815 U CN 215841815U
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- bearing plate
- pressure
- pressure medium
- plate
- filter press
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/21—Plate and frame presses
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The utility model discloses a pressure bearing plate structure of a plate-and-frame filter press, wherein a plurality of shell piston spaces are formed around the pressure bearing plate, bosses are arranged in the shell piston spaces, and pressure medium channels are formed in the bosses; a pressure medium pipeline is arranged in the pressure bearing plate and is communicated with the pressure medium channel. The boss in the shell piston space of the bearing plate can be connected with the piston rod, the shell is sleeved outside the piston rod, and the pressure medium pipeline of the bearing plate is communicated with the interior of the shell through the pressure medium channel, so that the piston rod can be sealed in the shell, is not exposed outside, cannot be corroded, does not influence the normal use of a driving part, prolongs the service life of the oil cylinder, reduces the maintenance frequency and saves the maintenance cost; the boss can be in the limited thickness of bearing plate, makes the piston rod obtain higher joint height, and joint strength is better, connects more reliably.
Description
Technical Field
The utility model relates to a filter pressing device, in particular to a pressure bearing plate structure of a plate-and-frame filter press.
Background
The plate-and-frame filter press is a machine which is firstly applied to chemical dehydration and has the advantages of large filtering driving force, high solid content of filter cakes, clear filtrate, high solid recovery rate, low conditioning medicine consumption and the like, and comprises a push plate and a bearing plate, wherein the push plate and the bearing plate need to be opened and closed, a driving air cylinder or an oil cylinder is directly arranged on the bearing plate in the traditional plate-and-frame filter press, then a piston rod of the driving air cylinder or the oil cylinder is connected with the push plate, and the piston rod is driven to extend out or retract by the driving air cylinder or the oil cylinder, so that the push plate and the bearing plate are opened or closed, but as some materials to be processed have corrosiveness, the piston rod can be corroded, as the piston rod and a cylinder body of the driving air cylinder or the oil cylinder directly need to be provided with a sealing part, and once the piston rod is corroded, the sealing structure can be easily damaged, and the air leakage or oil leakage of the driving air cylinder or the oil cylinder can be caused, the normal operation of the equipment is influenced, the maintenance frequency is improved, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide an apparatus that solves one or more problems of the prior art.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a pressure bearing plate structure of a plate-and-frame filter press is characterized in that a plurality of shell piston spaces are formed around the pressure bearing plate, bosses are arranged in the shell piston spaces, and pressure medium channels are formed in the bosses; a pressure medium pipeline is arranged in the pressure bearing plate and is communicated with the pressure medium channel.
As a further improvement of the above technical solution:
the pressure medium channels are distributed orthogonally to the pressure medium ducts.
The pressure medium pipeline is communicated with the bottom of the pressure medium channel.
A plurality of second guide holes are formed in the bearing plate.
The bearing plate is provided with a plurality of second limiting blocks.
The second limiting block is provided with a longitudinal limiting part and a transverse limiting part.
The outer edge of the bearing plate is provided with a lug; the bearing plate is also provided with a plurality of water drainage holes.
The boss is provided with an external thread.
The pressure medium channel of the boss is internally provided with internal threads.
The pressure medium channels are communicated to the same pressure medium pipeline, and the pressure medium pipeline is provided with a medium inlet and a medium outlet.
Compared with the prior art, the utility model has the following beneficial technical effects:
1) boss in the casing piston space of bearing plate can be connected with the piston rod, the casing cover is established outside the piston rod, the pressure medium pipeline of bearing plate passes through inside the pressure medium passageway intercommunication casing, pressure medium gets into the casing, can drive the casing and remove, the casing removes and to promote to bulldoze the board and keep away from or be close to the bearing plate, set up the piston rod in the casing piston space of bearing plate, can realize being sealed the piston rod inside the casing, do not expose outside, can not receive the corruption, drive unit normal use is not influenced, the life of hydro-cylinder has been prolonged, reduce the maintenance frequency, practice thrift the maintenance cost. The boss can be in the limited thickness of bearing plate, makes the piston rod obtain higher joint height, and joint strength is better, connects more reliably.
2) The pressure medium channel of the boss is orthogonally arranged with the pressure medium pipeline, the pressure medium pipeline is communicated with the bottom of the pressure medium channel, the pressure medium flows more smoothly, and blocking is not easy to occur.
3) The second guide hole can be used for installing a guide rod, the guide rod can play a role in adjusting the synchronization of the pistons, and the pushing plate can be prevented from being separated from the bearing plate.
4) Have vertical spacing portion and horizontal spacing portion on the second stopper, vertical spacing portion can carry on spacingly, avoid bulldozing the direct bearing plate that strikes of board to the longitudinal displacement that bulldozes the board on, horizontal spacing portion can carry on spacingly, avoid bulldozing the swing of board to the lateral displacement that bulldozes the board.
5) The lug can form limit structure with the cooperation of the board that colludes on the board that bulldozes, further carry on spacingly to bulldozing board and bearing plate, avoid bulldozing board and bearing plate and throw off.
Drawings
Fig. 1 shows a cross-sectional view of a board frame driving mechanism according to an embodiment of the present invention.
Fig. 2 shows a cross-sectional view of a pressure bearing plate of the plate frame driving mechanism according to the embodiment of the present invention.
Fig. 3 shows a cross-sectional view of a piston rod of a plate frame drive mechanism according to an embodiment of the present invention.
Fig. 4 shows a top view of a piston rod of the bezel drive mechanism of the embodiment of the present invention.
Fig. 5 shows a top view of another piston rod of the plate frame drive mechanism according to the embodiment of the present invention.
Fig. 6 shows a cross-sectional view of a bezel drive mechanism housing and guide sleeve in accordance with an embodiment of the present invention.
Fig. 7 shows a cross-sectional view of a gland of a plate frame driving mechanism according to an embodiment of the present invention.
Fig. 8 shows a cross-sectional view of a bezel drive mechanism according to another embodiment of the present invention.
Fig. 9 shows a cross-sectional view of a bezel drive mechanism housing and guide sleeve according to another embodiment of the present invention.
Fig. 10 shows a cross-sectional view of another embodiment of the connection of the pressure bearing plate and the piston rod of the present invention.
Fig. 11 shows a cross-sectional view of another embodiment of the housing of the present invention.
Figure 12 shows a cross-sectional view of another embodiment of the gland of the present invention.
Figure 13 shows a perspective view of a pusher plate of the present invention.
Fig. 14 shows a perspective view of a pressure bearing plate of the present invention.
Fig. 15 shows a cross-sectional view of a pressure bearing plate of the present invention.
Fig. 16 shows a partial cross-sectional view of a longitudinal section of a pressure plate of the present invention.
Figure 17 shows a cross-sectional view of the pusher plate and the pressure plate of the present invention at the location of the guide structure.
Fig. 18 shows a cross-sectional view of the push plate and the pressure plate at the location of the hook plate according to the present invention.
In the drawings, the reference numbers:
1. a push plate; 11. a first guide hole; 12. a first stopper; 2. a pressure bearing plate; 21. a housing piston space; 22. a pressure medium passage; 23. a boss; 24. a pressure medium conduit; 241. a media inlet and outlet; 25. a second guide hole; 26. a second limiting block; 261. a longitudinal position-limiting part; 262. a transverse limiting part; 27. a tab; 28. a water discharge hole; 3. a piston rod; 31. a through hole; 311. a piston rod sealing groove; 4. a housing; 41. an outer ring groove; 42. a first inner annular groove; 43. a second inner annular groove; 44. a third inner ring groove; 5. a gland; 51. a waterproof sealing groove; 52. a guide groove; 6. a guide sleeve; 61. a guide hole; 62. an inner seal groove; 63. an outer seal groove; 7. a hollow bolt; 71. a central channel; 8. an outer support ring; 9. an inner support ring; 10. Fixing a sleeve; 20. a copper sleeve; 30. a guide bar; 40. a screw; 50. a clamp spring; 60. and (7) hooking the board.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 7, the plate frame driving mechanism of the present embodiment includes a pushing plate 1 and a bearing plate 2, a plurality of housing piston spaces 21 for installing the driving mechanism are formed around the bearing plate 2, and the upper end of the housing piston space 21 is connected to the gland 5. Actuating mechanism includes piston rod 3, uide bushing 6 and casing 4, processing has the internal thread in the casing 4, processing has the external screw thread outside the 6 outsides of complex uide bushing, uide bushing 6 passes through interior screw-thread fit external screw thread threaded connection in casing 4, piston rod 3 wears in the guiding hole 61 of seting up in uide bushing 6, interior seal groove 62 and external seal groove 63 are seted up respectively to the uide bushing 6 inside and outside, the second sealing washer in gap between sealed piston rod 3 and the uide bushing 6 is installed to interior seal groove 62, the third sealing washer in gap between sealed uide bushing 6 and the casing 4 is installed to external seal groove 63. Be provided with the boss 23 that is used for installing piston rod 3 in casing piston space 21, boss 23 sets up the external screw thread, sets up the through-hole 31 that is used for connecting in the complex piston rod 3, and interior one end sets up the internal thread, and piston rod 3 passes through interior screw-thread fit external screw thread threaded connection on boss 23, and the piston rod seal groove 311 is seted up to the position that lies in the internal thread downside in piston rod 3's the through-hole 31, sets up the first sealing washer that is used for sealing up the gap between piston rod 3 and the boss 23 in the piston rod seal groove 311. Offer the pressure medium channel 22 communicated with through-hole 31 of the piston rod 3 in the boss 23 of the bearing plate 2, the casing 4 is worn in the gland 5, the inboard waterproof seal groove 51 and guide way 52 of still offering of gland 5, install waterproof sealing washer and guide ring in waterproof seal groove 51 and the guide way 52 respectively, play waterproof and guide effect, and set up the interior step of location casing 4 in the gland 5, the outside of the complex casing 4 sets up outer step, the casing 4 acts on the bearing plate 2.
The upper end of the through hole 31 of the piston rod 3 is processed into a polygonal hole (such as hexagon and quadrangle), and a polygonal tool can be inserted into the polygonal hole, so that the piston rod 3 can be conveniently screwed on the boss 23 in the piston space 21 of the shell.
Example two:
as shown in fig. 8 and 9, the housing 4 and the guide sleeve 6 can also be integrally connected, the housing 4 and the guide sleeve 6 can further reduce the installation space, the outer sealing groove 63 does not need to be processed, and a third sealing ring is not used, so that the production cost is further reduced.
The outer side of the case 4 may be coated with a corrosion-resistant material, which may improve the corrosion resistance of the case 4.
The pressure can be hydraulic oil or high-pressure gas.
When the plate frame driving mechanism is installed, the piston rod 3 is firstly connected to the boss 23 of the shell piston space 21 of the bearing plate 2 in a threaded manner, the guide sleeve 6 is then connected into the shell 4 in a threaded manner, the guide sleeve 6 and the shell 4 are connected to the outer side of the piston rod 3 in a sleeved manner after connection, the gland 5 is finally connected to the shell piston space 21, the shell 4 penetrates through the gland 5 to extend to the outer side of the bearing plate 2, one end of the shell 4, which is positioned outside the bearing plate 2, is fixedly connected with the pushing plate 1, installation is completed, and the driving mechanism can drive the pushing plate 1 to move; when the pushing plate 1 needs to be opened, pressure is introduced from the pressure medium pipeline 24 and is introduced into the shell 4 through the pressure medium channel 22 and the through hole 31 of the piston rod 3, so that the shell 4 can be driven to move outwards, and the pushing plate 1 is pushed to be opened upwards; when the pushing plate 1 needs to be closed for filter pressing, the pushing plate 1 is pushed by external force to be close to the bearing plate 2 for filter pressing operation, meanwhile, the shell 4 moves towards the inside of the bearing plate 2, and pressure flows back through the through hole 31 of the piston rod 3, the pressure medium channel 22 and the pressure medium pipeline 24.
Example three:
as shown in fig. 10, in another embodiment, the boss 23 of the pressure-bearing plate 2 may not be provided with an external thread, but an internal thread is provided in the pressure medium channel 22, and after the piston rod 3 is inserted into the boss 23, the piston rod 3 is screwed into the pressure medium channel 22 through the hollow bolt 7 to realize the fixed connection between the piston rod 3 and the boss 23; the hollow bolt 7 has a central channel 71, the central channel 71 communicating with the pressure medium duct 24. The piston rod 3 and the boss 23 are fixedly connected through the hollow bolt 7, so that the processing difficulty of the bearing plate 2 can be reduced, and the processing cost is reduced.
In another embodiment, as shown in fig. 11, the guide sleeve 6 may not be disposed in the housing 4, and the housing 4 is directly sleeved on the piston rod 3. The periphery of the lower part of the shell 4 can be provided with a circle of outer ring groove 41, an outer support ring 8 is arranged in the outer ring groove 41, the wear resistance can be improved, and the phenomenon of galling caused by direct friction between the shell 4 and the gland 5 can be avoided. A first inner annular groove 42, a second inner annular groove 43 and a third inner annular groove 44 are sequentially formed in the inner circumferential surface of the shell 4 from top to bottom; the inner supporting ring 9 is arranged in the first inner annular groove 42, so that the wear resistance can be improved, and the galling phenomenon caused by direct friction between the shell 4 and the piston rod 3 is avoided; a steiner is arranged in the second inner annular groove 43, a Y-shaped ring is arranged in the third inner annular groove 44, and the steiner and the Y-shaped ring seal a fit clearance between the shell 4 and the piston rod 3.
As shown in fig. 12, a waterproof sealing groove 51 and a guide groove 52 are formed in the inner peripheral surface of the upper portion of the gland 5, a waterproof sealing ring and a guide ring are respectively installed in the waterproof sealing groove 51 and the guide groove 52 to play a role in waterproofing and guiding, the waterproof sealing ring and the guide ring can also play a role in double sealing, even if the first sealing is leaked, the second sealing can also prevent oil leakage, and the sealing effect is more reliable. A combined ring can be arranged in the waterproof sealing groove 51, the combined ring can be waterproof and oil-proof, and a reliable sealing effect can be obtained.
As shown in fig. 13, the pushing plate 1 is provided with a plurality of first guide holes 11; the frames on two opposite sides of the pushing plate 1 are also provided with a plurality of first limiting blocks 12, and the first limiting blocks 12 protrude on the bottom surface of the pushing plate 1.
As shown in fig. 14 to 16, the pressure plate 2 is provided with a pressure medium pipe 24, the pressure medium pipe 24 is provided with a medium inlet and outlet 241, all the pressure medium channels 22 in the housing piston space 21 provided on the pressure plate 2 are communicated with the pressure medium pipe 24 provided on the pressure plate 2, and the pressure medium is introduced and discharged through the medium inlet and outlet 241. Each pressure medium channel 22 is orthogonal to the pressure medium pipeline 24, and the pressure medium pipeline 24 is communicated with the bottom of the pressure medium channel 22, so that the pressure medium flows more smoothly and is not easy to block. A plurality of second guide holes 25 are formed in the pressure bearing plate 2, and the second guide holes 25 correspond to the first guide holes 11 of the pushing plate 1; as shown in fig. 17, a fixed sleeve 10 is fixedly connected in the second guide hole 25 through thread fit, a copper sleeve 20 is inserted in the fixed sleeve 10, the copper sleeve 20 is pressed on the step surface of the fixed sleeve 10 through a snap spring 50, a guide rod 30 is inserted in the copper sleeve 20, the guide rod 30 is fixedly connected to the push plate 1 through a screw 40, the push plate 1 can drive the guide rod 30 to slide up and down in the copper sleeve 20, the guide rod 30 can play a role in adjusting the synchronization of the pistons, and the push plate 1 can be prevented from being separated from the bearing plate 2; a sealing ring is arranged between the guide rod 30 and the fixed sleeve 10 for sealing. The top surface of the bearing plate 2 is provided with a plurality of second limiting blocks 26, the second limiting blocks 26 and the first limiting blocks 12 of the pushing plate 1 are positioned on different side edge parts, and the first limiting blocks 12 and the second limiting blocks 26 limit the pushing plate 1 and the bearing plate 2 to prevent the pushing plate 1 from directly impacting the bearing plate 2; a part of the second limiting blocks 26 of the bearing plate 2 is provided with a longitudinal limiting part 261 and a transverse limiting part 262, the longitudinal limiting part 261 is used for limiting the longitudinal displacement of the pushing plate 1 and preventing the pushing plate 1 from directly impacting the bearing plate 2, and the transverse limiting part 262 is used for limiting the transverse displacement of the pushing plate 1 and preventing the pushing plate 1 from swinging. The outer edges of two opposite sides of the bearing plate 2 are provided with convex pieces 27 which are protruded outwards; as shown in fig. 18, an L-shaped hook plate 60 is fixedly provided on the push plate 1 at a position corresponding to the protruding piece 27 by a fastening member, and the hook plate 60 and the protruding piece 27 cooperate to form a limit structure, thereby further limiting the position of the push plate 1 and the pressure receiving plate 2 and preventing the push plate 1 and the pressure receiving plate 2 from being separated from each other. The pressure bearing plate 2 is also provided with a plurality of water discharging holes 28.
In other embodiments, the gland 5 may also be fixed to the pressure bearing plate 2 by fasteners. And a sealant or a sealing ring is arranged between the gland 5 and the bearing plate 2 for sealing.
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.
Claims (10)
1. The utility model provides a pressure-bearing plate structure of plate and frame filter press which characterized in that: a plurality of shell piston spaces (21) are formed around the pressure bearing plate (2), bosses (23) are arranged in the shell piston spaces (21), and pressure medium channels (22) are formed in the bosses (23); a pressure medium pipeline (24) is arranged in the pressure bearing plate (2), and the pressure medium pipeline (24) is communicated with the pressure medium channel (22).
2. The pressure-bearing plate structure of a plate and frame filter press according to claim 1, wherein: the pressure medium channel (22) is arranged orthogonally to the pressure medium line (24).
3. The pressure-bearing plate structure of a plate and frame filter press according to claim 1, wherein: the pressure medium duct (24) communicates with the bottom of the pressure medium channel (22).
4. The pressure-bearing plate structure of a plate and frame filter press according to claim 1, wherein: a plurality of second guide holes (25) are formed in the pressure bearing plate (2).
5. The pressure-bearing plate structure of a plate and frame filter press according to claim 1, wherein: the bearing plate (2) is provided with a plurality of second limiting blocks (26).
6. The pressure-bearing plate structure of plate and frame filter press according to claim 5, wherein: the second limiting block (26) is provided with a longitudinal limiting part (261) and a transverse limiting part (262).
7. The pressure-bearing plate structure of a plate and frame filter press according to claim 1, wherein: the outer edge of the pressure bearing plate (2) is provided with a lug (27); the pressure bearing plate (2) is also provided with a plurality of water discharging holes (28).
8. The pressure-bearing plate structure of a plate and frame filter press according to claim 1, wherein: the boss (23) is provided with an external thread.
9. The pressure-bearing plate structure of a plate and frame filter press according to claim 1, wherein: the pressure medium channel (22) of the boss (23) is internally provided with internal threads.
10. The pressure-bearing plate structure of a plate and frame filter press according to claim 1, wherein: the pressure medium channels (22) are communicated to the same pressure medium pipeline (24), and the pressure medium pipeline (24) is provided with a medium inlet and outlet (241).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110495892.7A CN112999713A (en) | 2021-05-07 | 2021-05-07 | Plate frame driving mechanism |
| CN2021104958927 | 2021-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215841815U true CN215841815U (en) | 2022-02-18 |
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ID=76380670
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110495892.7A Pending CN112999713A (en) | 2021-05-07 | 2021-05-07 | Plate frame driving mechanism |
| CN202111066923.3A Pending CN113577859A (en) | 2021-05-07 | 2021-09-13 | Plate frame driving mechanism and plate frame filter pressing device |
| CN202122202617.XU Active CN215841815U (en) | 2021-05-07 | 2021-09-13 | Pressure bearing plate structure of plate-and-frame filter press |
| CN202122202454.5U Active CN215822423U (en) | 2021-05-07 | 2021-09-13 | Plate frame driving mechanism and plate frame filter pressing device |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110495892.7A Pending CN112999713A (en) | 2021-05-07 | 2021-05-07 | Plate frame driving mechanism |
| CN202111066923.3A Pending CN113577859A (en) | 2021-05-07 | 2021-09-13 | Plate frame driving mechanism and plate frame filter pressing device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122202454.5U Active CN215822423U (en) | 2021-05-07 | 2021-09-13 | Plate frame driving mechanism and plate frame filter pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN112999713A (en) |
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2021
- 2021-05-07 CN CN202110495892.7A patent/CN112999713A/en active Pending
- 2021-09-13 CN CN202111066923.3A patent/CN113577859A/en active Pending
- 2021-09-13 CN CN202122202617.XU patent/CN215841815U/en active Active
- 2021-09-13 CN CN202122202454.5U patent/CN215822423U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113577859A (en) | 2021-11-02 |
| CN112999713A (en) | 2021-06-22 |
| CN215822423U (en) | 2022-02-15 |
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