Quick-release cloth bag for bag-type dust collector

Abstract

The utility model relates to the technical field of bag-type dust removers, in particular to a quick-release cloth bag for a bag-type dust remover, which comprises a dust remover main body and a filter support detachably connected in the dust remover main body, a filter bag component is connected in the filter support in an inserting and pulling manner, the filter bag component comprises a filter bag body and an outer bag cage sleeved outside the filter bag body, and the outer bag cage is connected with the filter support in an inserting and pulling manner. An annular boss is arranged at the end of the outer bag cage, the diameter of the annular boss is larger than that of the mounting hole, a pressing plate is further arranged at the top of the filtering support, the bottom face of the pressing plate abuts against the annular bosses, and the pressing plate is detachably connected to the top of the filtering support; a pressure bearing part is arranged on the pressing plate, an insertion hole is formed in the top surface of the filtering bracket, a screw rod is fixedly connected in the insertion hole, a pressing block is sleeved on each screw rod, the pressing block is rotatably arranged on the screw rod and is movably arranged along the axis of the screw rod, the lower plane of the pressing block is propped against the pressure bearing part, a locking piece is sleeved on the screw rod, and the locking piece is propped against the upper plane of the pressing block.

Description

Technical Field

[0001] The utility model relates to the technical field of bag dust collectors, in particular to a quick-detachable bag for bag dust collectors. Background Art

[0002] A bag filter is a dust removal device that uses the fiber fabric of the filter bag to filter the dust-laden gas. The filter bag and the frame on which the filter bag is installed are important accessories of the bag filter. The filter bag is mounted on the frame. During the process of dust-laden gas flowing from the outside to the inside of the frame, the dust is adsorbed on the filter bag, and the clean gas is transported out to complete the filtration. After a period of use, the filtering effect of the filter bag will drop sharply, and it needs to be disassembled and replaced, that is, the frame and the bag are taken out together, the filter bag is replaced and then reinstalled. The existing filter bags are generally fixed to the frame by bolts or straps, which is troublesome to disassemble. At the same time, a bag filter is usually equipped with multiple filter bags and frames. Disassembly and installation in sequence will seriously affect processing efficiency and increase production costs.

[0003] In order to solve the above technical problems, Chinese patent CN218280958U discloses a quick-release skeleton structure of a bag filter, including a skeleton body, a quick-release part and a vent, a sealing gasket is provided at the upper end of the skeleton body, a positioning block is provided at the inner ring of the sealing gasket, a buckle is provided on the side wall of the quick-release part, the buckle is connected with the positioning block, a first flange is provided at the upper end of the quick-release part, a second flange is provided at the upper end of the vent, and the first flange and the second flange are connected by bolts. The quick-release skeleton structure can quickly disassemble and assemble the filter bag through the quick-release part, which effectively improves the efficiency of disassembly and installation of the filter bag, but the quick-release part adopts the form of plug-in and pull-out, and there is no locking part connection, which easily leads to the filter bag connection being not stable enough, affecting the stability of the equipment.

[0004] Therefore, it is necessary for those skilled in the art to provide a quick-detachable filter bag for a bag filter to improve the convenience of disassembly and installation of the filter bag while ensuring the sealing effect of the filter bag. Utility Model Content

[0005] The utility model aims to provide a quick-detachable bag for a bag filter to solve the technical problem in the prior art that there are too many filter bags and that sequential disassembly and installation will seriously affect processing efficiency and increase production costs.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a quick-detachable cloth bag for a bag dust collector, comprising a dust collector main body and a filter bracket detachably connected to the dust collector main body, wherein a filter bag assembly is plugged and unplugged in the filter bracket, and the filter bag assembly comprises a filter bag main body and an outer bag cage sleeved outside the filter bag main body, an annular boss is provided at the end of the outer bag cage, and the diameter of the annular boss is larger than the diameter of the mounting hole. A pressing plate is also provided on the top of the filter bracket, and the bottom surface of the pressing plate abuts against a plurality of annular bosses, and the pressing plate is detachably connected to the top of the filter bracket; a pressure-bearing part is provided on the pressing plate, and an insertion hole is provided on the top surface of the filter bracket, and a screw is fixedly connected in the insertion hole, and each screw is sleeved with a pressing block, which is rotatably arranged on the screw and movably arranged along the screw axis, and the lower plane of the pressing block abuts against the pressure-bearing part, and a locking piece is sleeved on the screw, and the locking piece abuts against the upper plane of the pressing block.

[0007] Furthermore, the pressure plate has a square strip structure, and abutment portions are provided on the side of the pressure plate. A plurality of the abutment portions are provided and symmetrically arranged on both sides of the pressure plate, and one abutment portion corresponds to one annular boss; the abutment portions abut against the annular boss.

[0008] Furthermore, the filter bag assemblies are provided in plurality and are evenly arranged on the filter bracket, a mounting hole is provided on the top surface of the filter bracket, the filter bag assemblies are fitted and connected in the mounting holes, and one filter bag assembly is fitted and connected in one mounting hole.

[0009] Furthermore, the pressure-bearing portion is in a groove shape, and the pressure-bearing portion is located between two adjacent filter bag assemblies.

[0010] Furthermore, the filter support is a square shell-like structure with a hollow interior, and a plurality of mounting holes are provided and evenly arranged on the top surface of the filter support.

[0011] Furthermore, the filter bag body is fixedly connected to the outer bag cage, the filter bag assembly is plugged into the mounting hole, and the annular boss abuts against the top surface of the filter bracket.

[0012] Furthermore, an air outlet channel is provided on the dust collector body above the filter bracket, an air inlet channel is provided on the dust collector body below the filter bracket, the air inlet channel is connected to the filter bracket, and the air outlet channel is connected to the inside of the filter bag body. An ash hopper is provided on the dust collector body directly below the filter bracket.

[0013] Furthermore, a groove is provided on the bottom surface of the filter bracket, and the interior of the filter bracket is connected with the air intake channel through the groove.

[0014] The beneficial effect of the utility model is that the utility model utilizes a pressing plate to realize the compression installation of multiple filter bag assemblies to ensure the quickness of installation. The two ends of the pressing plate are detachably connected to the filter bracket by bolts, and the middle part of the pressing plate is pressed on the filter bracket by a pressing block. In this way, the quickness of disassembly and assembly is ensured while ensuring the stability of the installation and preventing the filter bag assembly from shifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a three-dimensional diagram of a quick-detachable bag for a bag dust collector.

[0016] Figure 2 It is a main sectional view of a quick-detachable bag for a bag dust collector of the utility model.

[0017] Figure 3 It is a three-dimensional diagram of a quick-detachable bag for a bag dust collector of the utility model (the dust collector body is omitted).

[0018] Figure 4 yes Figure 3 Exploded diagram.

[0019] Figure 5 yes Figure 3 Top view of the .

[0020] The markings of the components in the accompanying drawings are as follows: 10. filter bracket; 11. mounting hole; 12. pressure plate; 13. abutment portion; 14. pressure-bearing portion; 15. pressure block; 16. socket; 17. screw; 20. dust collector body; 21. air outlet channel; 22. air inlet channel; 27. ash hopper; 30. filter bag assembly; 31. filter bag body; 32. outer bag cage; 33. annular boss. DETAILED DESCRIPTION

[0021] Now the utility model is described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, which only illustrates the basic structure of the utility model in a schematic manner, so it only shows the components related to the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 The utility model provides a quick-detachable bag for a bag dust collector, comprising a dust collector body 20 and a filter bracket 10 detachably connected to the dust collector body 20. The filter bracket 10 is a square shell structure with a hollow interior. A filter bag assembly 30 is plugged in and connected to the filter bracket 10. The filter bag assembly 30 is provided in a plurality and evenly arranged on the filter bracket 10. When in use, the filter bag assembly 30 is installed in the filter bracket 10 in a plug-in manner to ensure installation stability.

[0023] Furthermore, a mounting hole 11 is provided on the top surface of the filter bracket 10 , and a plurality of mounting holes 11 are provided and evenly arranged on the top surface of the filter bracket 10 . The filter bag assembly 30 is connected in the mounting hole 11 , and one filter bag assembly 30 is connected in one mounting hole 11 .

[0024] The filter bag assembly 30 includes a filter bag body 31 and an outer bag cage 32 sleeved outside the filter bag body 31. An inner bag cage (not shown) is also provided inside the filter bag body 31. The inner bag cage has the same structure as the outer bag cage 32. The filter bag body 31 is clamped between the outer bag cage 32 and the inner bag cage to ensure the stability of the filter bag body 31 during use. The filter bag body 31 is fixedly connected to the outer bag cage 32 by a cable tie. An annular boss 33 is provided at the end of the outer bag cage 32. The diameter of the annular boss 33 is larger than the diameter of the mounting hole 11, so that the filter bag assembly 30 can be plugged and unplugged into the mounting hole 11 and the annular boss 33 abuts against the top surface of the filter bracket 10.

[0025] When in use, the filter bag assembly 30 can be pulled out from the filter support 10 by manually holding the annular boss 33, thereby achieving rapid disassembly and assembly.

[0026] For further information, see Figure 4 , Figure 5 A pressure plate 12 is also provided on the top of the filter bracket 10 , and the bottom surface of the pressure plate 12 abuts against multiple annular bosses 33 . The pressure plate 12 is detachably connected to the top of the filter bracket 10 by bolts, thereby achieving synchronous compression of multiple filter bag assemblies 30 .

[0027] Specifically, the pressing plate 12 is a square strip structure, and abutting portions 13 are provided on the side of the pressing plate 12, and the abutting portions 13 abut against the annular boss 33 to press the filter bag assembly 30. The abutting portions 13 are provided in plurality and symmetrically arranged on both sides of the pressing plate 12, and one abutting portion 13 corresponds to one annular boss 33. Thus, the utility model can press multiple filter bag assemblies 30 with one pressing plate 12, effectively improving the installation efficiency.

[0028] The pressure plate 12 is provided with a pressure-bearing portion 14, which is in a groove shape and is located between two adjacent filter bag assemblies 30. The top surface of the filter bracket 10 is provided with an insertion hole 16, in which a screw 17 is fixedly connected, and each screw 17 is sleeved with a pressure block 15, which is rotatably arranged on the screw 17 and movably arranged along the axis of the screw 17, and the lower plane of the pressure block 15 abuts against the pressure-bearing portion 14, and a locking piece is sleeved on the screw 17, and the locking piece abuts against the upper plane of the pressure block 15. Preferably, the locking piece is a nut.

[0029] When in use, the pressing block 15 is sleeved on the screw rod 17, and the locking member is threadedly connected to the screw rod 17 and presses the pressing block 15, so that the pressing block 15 is pressed tightly on the pressure-bearing part 14 of the pressing plate 12, thereby achieving the fastening of the pressing plate 12. When disassembling, the locking member is loosened, and the pressing block 15 is rotated to make the end of the pressing block 15 separate from the pressure-bearing part 14, so as to facilitate the disassembly of the pressing plate 12.

[0030] The utility model utilizes a pressing plate 12 to realize the compression installation of multiple filter bag assemblies 30 to ensure the quickness of installation. The two ends of the pressing plate 12 are detachably connected to the filter bracket 10 by bolts, and the middle part of the pressing plate 12 is compressed on the filter bracket 10 by a pressing block 15. In this way, the quickness of disassembly and assembly is ensured while ensuring the stability of the installation and preventing the filter bag assembly 30 from shifting.

[0031] Please refer again Figure 1 , Figure 3 The dust collector body 20 is provided with an air outlet channel 21 above the filter support 10, and the dust collector body 20 is provided with an air inlet channel 22 below the filter support 10. The air inlet channel 22 is connected to the filter support 10, and the air outlet channel 21 is connected to the inside of the filter bag body 31. The dust collector body 20 is provided with an ash hopper 27 directly below the filter support 10; when in use, the dust-containing gas is input from the air inlet channel 22 into the filter support 10 through a fan (not shown in the figure), and the dust in the dust-containing gas is filtered out by the filter bag assembly 30 in the filter support 10. The filtered gas enters the inside of the filter bag body 31 and is discharged from the air outlet channel 21, completing the air dust removal and purification. During the filtering process, large particles of dust will automatically settle in the ash hopper 27, and the filter bag body 31 will also block part of the dust and make it settle in the ash hopper 27, so as to ensure the filtering stability.

[0032] It can be understood that a groove (not shown) is provided on the bottom surface of the filter bracket 10 to enable the inside of the filter bracket 10 to communicate with the air inlet channel 22 through the groove to ensure the stability of the connection.

[0033] The specific operation method of the utility model is as follows: step 1, the filter bag assembly 30 is installed into the filter bracket 10 by manually holding the annular boss 33 .

[0034] Step 2: Install the pressing plate 12 onto the filter bracket 10, and then sleeve the pressing block 15 onto the screw rod 17, so that the pressing block 15 abuts against the pressure-bearing portion 14 of the pressing plate 12, and the threads are locked to complete the tightening.

[0035] Step 3: During disassembly, loosen the locking member, rotate the pressing block 15 to separate the end of the pressing block 15 from the pressure-bearing portion 14 , remove the pressing plate 12 , and replace the filter bag assembly 30 .

[0036] The utility model utilizes a pressing plate 12 to realize the compression installation of multiple filter bag assemblies 30 to ensure the quickness of installation. The two ends of the pressing plate 12 are detachably connected to the filter bracket 10 by bolts, and the middle part of the pressing plate 12 is compressed on the filter bracket 10 by a pressing block 15. In this way, the quickness of disassembly and assembly is ensured while ensuring the stability of the installation and preventing the filter bag assembly 30 from shifting.

[0037] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A quick-release bag for a bag dust collector, comprising a dust collector body (20) and a filter bracket (10) detachably connected to the dust collector body (20), characterized in that: A filter bag assembly (30) is pluggably connected to the filter bracket (10), the filter bag assembly (30) comprising a filter bag body (31) and an outer bag cage (32) sleeved outside the filter bag body (31), an annular boss (33) being provided at the end of the outer bag cage (32), the diameter of the annular boss (33) being larger than the diameter of the mounting hole (11), a pressing plate (12) being provided at the top of the filter bracket (10), the bottom surface of the pressing plate (12) abutting against a plurality of annular bosses (33), the pressing plate (12) being detachably connected to the top of the filter bracket (10); The pressure plate (12) is provided with a pressure-bearing portion (14), the top surface of the filter bracket (10) is provided with an insertion hole (16), a screw rod (17) is fixedly connected in the insertion hole (16), each screw rod (17) is sleeved with a pressure block (15), the pressure block (15) is rotatably arranged on the screw rod (17) and is movably arranged along the axis of the screw rod (17), the lower plane of the pressure block (15) abuts against the pressure-bearing portion (14), and a locking piece is sleeved on the screw rod (17), and the locking piece abuts against the upper plane of the pressure block (15).

2. The quick-detachable bag for bag dust collector according to claim 1, characterized in that: The pressing plate (12) has a square strip structure, and abutment portions (13) are provided on the side of the pressing plate (12). A plurality of the abutment portions (13) are provided and are symmetrically arranged on both sides of the pressing plate (12), and one abutment portion (13) corresponds to one annular boss (33); the abutment portion (13) abuts against the annular boss (33).

3. The quick-detachable bag for bag dust collector according to claim 2, characterized in that: A plurality of the filter bag assemblies (30) are provided and are evenly arranged on the filter support (10); a mounting hole (11) is provided on the top surface of the filter support (10); the filter bag assemblies (30) are fitted and connected in the mounting hole (11); and one filter bag assembly (30) is fitted and connected in one mounting hole (11).

4. The quick-detachable bag for bag dust collector according to claim 3, characterized in that: The pressure-bearing portion (14) is in the shape of a groove, and the pressure-bearing portion (14) is located between two adjacent filter bag assemblies (30).

5. The quick-detachable bag for bag dust collector according to claim 1, characterized in that: The filter support (10) is in the form of a square shell with a hollow interior, and a plurality of mounting holes (11) are provided and evenly arranged on the top surface of the filter support (10).

6. The quick-detachable bag for bag dust collector according to claim 5, characterized in that: The filter bag body (31) is fixedly connected to the outer bag cage (32), the filter bag assembly (30) is plug-in connected to the mounting hole (11), and the annular boss (33) abuts against the top surface of the filter bracket (10).

7. The quick-detachable bag for bag dust collector according to claim 1, characterized in that: An air outlet channel (21) is provided on the dust collector body (20) above the filter bracket (10), an air inlet channel (22) is provided on the dust collector body (20) below the filter bracket (10), the air inlet channel (22) is connected to the filter bracket (10), and the air outlet channel (21) is connected to the inside of the filter bag body (31), and an ash hopper (27) is provided on the dust collector body (20) directly below the filter bracket (10).

8. The quick-detachable bag for bag dust collector according to claim 7, characterized in that: A groove is provided on the bottom surface of the filter support (10), and the interior of the filter support (10) is connected to the air intake channel (22) through the groove.

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