Cloth bag filter convenient for replacing filter bag

Abstract

The utility model discloses a cloth bag filter convenient for replacing a filter bag, relates to the technical field of filter bag replacement, and adopts the following scheme that the cloth bag filter comprises a main body and a detachable mechanism arranged in the main body, and the detachable mechanism comprises a clamping assembly and a fixing assembly; by arranging a clamping ring and a pull rod, when the filter bag needs to be detached and replaced, the pull rod is pulled to slide in a sliding groove in a fixing ring, a clamping block is driven to be away from the clamping ring until the pull rod slides to the rear portion of a twisting block, the twisting block is rotated to fix the pull rod, and the filter bag can be lifted out by completing fixing operation of all the pull rods; the clamping ring on a new filter bag is aligned with the clamping groove in the fixing ring to be placed, the twisting block is twisted to relieve fixation of the pull rod, the clamping block can slide into the clamping ring under the elastic potential energy of the spring to be clamped, then the filter bag can be fixed, and the problem that the working efficiency is affected due to the fact that mounting and dismounting of the filter bag are too tedious is solved through the simple and convenient clamping mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter bag replacement technical field especially, it is a cloth bag filter convenient to replace filter bag. BACKGROUND

[0002] Cloth bag filter is a new type of filtration system, has high filtration precision, large processing capacity, low cost, convenient and fast use and maintenance, complete specifications, material variety, wide application range and other advantages. Mainly applied to: food, health, pharmaceutical and other industries. Bag filter can be divided into single bag type and multi-bag type according to bag number, can be divided into side-in type and top-in type according to the position of inlet hole, and the side-in type has been replaced by the top-in type. According to the user's filtering temperature requirement, a sandwich filter can also be provided, which is generally a double-layer structure, and the sandwich can pass steam or heat-conducting oil to maintain or improve the temperature of the fluid, prevent the fluid from solidifying, improve the filtration speed of viscous liquid, or meet the temperature requirements of the next process.

[0003] For example, Chinese utility model patent (CN 213760733 U) discloses a cloth bag filter convenient to replace filter bag, which belongs to the field of filtering equipment, and comprises a cylinder body and a cylinder cover arranged above the cylinder body; a filter cavity is formed in the cylinder body, and a filter bag is arranged in the filter cavity; an movable frame is connected to the outer edge of the filter bag; the movable frame comprises an upper frame body and a lower frame body; a clamping groove is formed in the upper end surface of the lower frame body; the outer edge of the filter bag is embedded in the clamping groove; a pressing ring is fixedly arranged on the lower end surface of the upper frame body and is clamped with the clamping groove; and a clamping assembly is connected to the movable frame. The application has the effect of fixing the filter bag and preventing the filter bag from falling into the filter cavity.

[0004] However, the cloth bag filter in the prior art needs to be replaced frequently during use, but the cumbersome disassembly and installation not only consumes manpower and material resources, but also greatly affects work efficiency, so a cloth bag filter convenient to replace filter bag is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a cloth bag filter convenient to replace filter bag, which solves the problem that the cloth bag filter in the prior art needs to be replaced frequently during use, but the cumbersome disassembly and installation not only consumes manpower and material resources, but also greatly affects work efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a cloth bag filter convenient to replace filter bag, comprising a main body and a detachable mechanism arranged in the main body, wherein the detachable mechanism comprises a clamping assembly and a fixing assembly;

[0007] The clamping assembly comprises a filter bag, the inside of the main body is provided with the filter bag, one side of the filter bag is provided with a fixing ring, one side of the filter bag is fixedly connected with a clasp, the inside of the clasp is slidably connected with a clamping block, one side of the clamping block is fixedly connected with a spring;

[0008] The fixing assembly comprises a pull rod, the top end of the clamping block is fixedly connected with the pull rod, one side of the pull rod is provided with a torsion block, one side of the torsion block is fixedly connected with a rotating rod.

[0009] One side of the main body is provided with a pneumatic cylinder, the bottom end of the pneumatic cylinder is rotatably connected with a first rotating frame, the output end of the pneumatic cylinder is rotatably connected with a first connecting rod, one end of the first connecting rod is fixedly connected with a second connecting rod, one end of the second connecting rod is fixedly connected with a third connecting rod, one end of the third connecting rod is connected with a second rotating frame, and the outside of the third connecting rod is fixedly connected with a gland.

[0010] Preferably, the inside of the fixing ring is provided with a clamping groove matched with the clasp, and the inside of the fixing ring is provided with a sliding groove matched with the clamping block and the pull rod.

[0011] Preferably, the inside of the pull rod is provided with a clamping groove matched with the torsion block, and the pull rod, the torsion block and the rotating rod form a fixed structure with the main body.

[0012] Preferably, the clamping block, the pull rod and the fixing ring form a sliding structure, and the clamping block, the spring and the clasp form a fixed structure with the filter bag.

[0013] Preferably, the first connecting rod, the pneumatic cylinder, the second connecting rod and the third connecting rod form a rotating structure, and the inside of the second rotating frame is provided with a rotating groove matched with the third connecting rod.

[0014] Preferably, the third connecting rod, the first connecting rod and the second rotating frame form a rotating structure, and the gland and the main body form an uncovering structure through the third connecting rod.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] When the filter bag needs to be disassembled and replaced, the pull rod is pulled to slide in the sliding groove in the fixing ring, the clamping block is driven away from the clasp, the pull rod is fixed by rotating the torsion block until the pull rod slides to the back of the torsion block, the fixing of the pull rod is completed, the filter bag is taken out, the clasp on the new filter bag is placed in the clamping groove in the fixing ring, the pull rod is fixed by rotating the torsion block, the clamping block slides into the clasp under the elastic potential of the spring, and the fixing of the filter bag is completed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a bag filter that is easy to replace filter bags proposed by the utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the overall structure of a bag filter that is easy to replace filter bags proposed by the utility model;

[0019] Figure 3 The utility model proposes a bag filter that is easy to replace the filter bag Figure 2 Schematic diagram of the detachable mechanism structure of part A;

[0020] Figure 4 This is a structural schematic diagram of a cover opening mechanism of a bag filter for facilitating filter bag replacement proposed by the present invention;

[0021] In the figure: 1. Main body; 2. Filter bag; 3. Fixed ring; 4. Snap ring; 5. Block; 6. Spring; 7. Pull rod; 8. Torsion block; 9. Rotating rod; 10. Cylinder; 11. First rotating frame; 12. First connecting rod; 13. Second connecting rod; 14. Third connecting rod; 15. Second rotating frame; 16. Pressure cover. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1

[0024] like Figures 1-4 As shown in the figure, a bag filter for easy replacement of filter bags includes a main body 1 and a detachable mechanism arranged inside the main body 1, and the detachable mechanism includes a snap-fit ​​assembly and a fixing assembly;

[0025] The snap-fit ​​assembly includes a filter bag 2, a filter bag 2 is arranged inside the main body 1, a fixing ring 3 is provided on one side of the filter bag 2, a clamping ring 4 is fixedly connected to one side of the filter bag 2, a clamping block 5 is slidably connected to the inner side of the clamping ring 4, and a spring 6 is fixedly connected to one side of the clamping block 5.

[0026] The fixing assembly includes a pull rod 7 , the top end of the clamping block 5 is fixedly connected to the pull rod 7 , a torsion block 8 is provided on one side of the pull rod 7 , and a rotating rod 9 is fixedly connected to one side of the torsion block 8 .

[0027] Among them, such as Figure 3As shown, the inner part of the fixing ring 3 is provided with a clamping groove matched with the clamping ring 4, and the inner part of the fixing ring 3 is provided with a sliding groove matched with the clamping block 5 and the pull rod 7, which is beneficial to realize the control operation of clamping the filter bag 2 in the main body 1 through the clamping groove of the fixing ring 3, and is also convenient to realize the operation of driving the clamping block 5 away from the clamping ring 4 by pulling the pull rod 7 through the sliding groove.

[0028] As shown in the drawings, Figure 3 As shown, the inner part of the pull rod 7 is provided with a clamping groove matched with the torsion block 8, and the pull rod 7 and the main body 1 form a fixed structure through the torsion block 8 and the rotating rod 9, which is beneficial to realize the control operation of fixing the pull rod 7 through the torsion block 8, and is convenient for disassembling and replacing the filter bag 2.

[0029] As shown in the drawings, Figure 3 As shown, the clamping block 5 and the fixing ring 3 form a sliding structure through the pull rod 7, and the clamping block 5 and the filter bag 2 form a fixed structure through the spring 6 and the clamping ring 4, which is beneficial to realize the fixing and release of the clamping ring 4 by the clamping block 5 by sliding the pull rod 7, and is convenient to realize the clamping and fixing of the clamping ring 4 by the clamping block 5 through the elastic force of the spring 6. The simple and convenient clamping mode avoids the problem that the installation and disassembly of the filter bag 2 are too complicated to affect the work efficiency.

[0030] Example 2

[0031] As shown in the drawings, Figure 1 , Figure 2 and Figure 4 As shown in the drawings, the embodiment further illustrates example 1, one side of the main body 1 is provided with a cylinder 10, the bottom end of the cylinder 10 is rotatably connected with a first rotating frame 11, the output end of the cylinder 10 is rotatably connected with a first connecting rod 12, one end of the first connecting rod 12 is fixedly connected with a second connecting rod 13, one end of the second connecting rod 13 is fixedly connected with a third connecting rod 14, one end of the third connecting rod 14 is connected with a second rotating frame 15, and the outer side of the third connecting rod 14 is fixedly connected with a gland 16.

[0032] As shown in the drawings, Figure 4 As shown, the first connecting rod 12, the second connecting rod 13 and the third connecting rod 14 form a rotating structure through the cylinder 10, and the inner part of the second rotating frame 15 is provided with a rotating groove matched with the third connecting rod 14, which is beneficial to realize the control operation of pushing the gland 16 by the first connecting rod 12 through the transmission of the cylinder 10 to the first connecting rod 12.

[0033] As shown in the drawings, Figure 4 As shown, the third connecting rod 14 and the second rotating frame 15 form a rotating structure through the first connecting rod 12, and the gland 16 and the main body 1 form an opening cover structure through the third connecting rod 14, which is beneficial to control the opening and closing state of the gland 16 through the cylinder 10, avoid the problem that the gland 16 is opened by mistake or the opening of the gland 16 is too complicated to disassemble and replace the filter bag 2.

[0034] In use: first, when the filter bag 2 needs to be disassembled and replaced, pull the pull rod 7 in the sliding groove in the fixed ring 3, drive the clamping block 5 away from the clamping ring 4, until the pull rod 7 slides to the rear of the torsion block 8, rotate the torsion block 8 to fix the pull rod 7, complete the fixing operation of the pull rod 7, and the filter bag 2 can be taken out, the clamping ring 4 on the new filter bag 2 is placed in the clamping groove in the fixed ring 3, and the torsion block 8 is twisted to release the fixation of the pull rod 7, and the clamping block 5 will slide into the clamping ring 4 under the elastic potential of the spring 6 to be clamped, that is, the fixation of the filter bag 2 is completed, and the simple and convenient clamping mode avoids the problem that the installation and disassembly of the filter bag 2 are too complicated to affect the work efficiency.

[0035] Finally, the air cylinder 10 is opened, the output end of the air cylinder 10 is stretched out, the first connecting rod 12 is pushed to rotate, the third connecting rod 14 is driven to rotate synchronously under the action of the second connecting rod 13, and the third connecting rod 14 drives the gland 16 to open upward under the auxiliary action of the second rotating frame 15, which is beneficial to control the opening and closing state of the gland 16 through the air cylinder 10, avoids the problem that the gland 16 is mistakenly opened or the opening of the gland 16 is too complicated to disassemble and replace the filter bag 2.

[0036] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations exist in any such actual relationship or order. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bag filter for easy replacement of filter bags, comprising a main body (1) and a detachable mechanism arranged inside the main body (1), characterized in that: The detachable mechanism includes a snap-fit ​​assembly and a fixing assembly; The clamping assembly comprises a filter bag (2), the filter bag (2) is arranged inside the main body (1), a fixing ring (3) is arranged on one side of the filter bag (2), a clamping ring (4) is fixedly connected to one side of the filter bag (2), a clamping block (5) is slidably connected to the inner side of the clamping ring (4), and a spring (6) is fixedly connected to one side of the clamping block (5); The fixing assembly comprises a pull rod (7), the top end of the clamping block (5) is fixedly connected to the pull rod (7), a torsion block (8) is provided on one side of the pull rod (7), and a rotating rod (9) is fixedly connected to one side of the torsion block (8).

2. The bag filter for easy filter bag replacement according to claim 1, characterized in that: A cylinder (10) is provided on one side of the main body (1), the bottom end of the cylinder (10) is rotatably connected to a first rotating frame (11), the output end of the cylinder (10) is rotatably connected to a first connecting rod (12), one end of the first connecting rod (12) is fixedly connected to a second connecting rod (13), one end of the second connecting rod (13) is fixedly connected to a third connecting rod (14), one end of the third connecting rod (14) is connected to a second rotating frame (15), and the outer side of the third connecting rod (14) is fixedly connected to a pressure cover (16).

3. The bag filter for easy filter bag replacement according to claim 1, characterized in that: The interior of the fixing ring (3) is provided with a clamping groove that matches the clamping ring (4), and the interior of the fixing ring (3) is provided with a sliding groove that matches the clamping block (5) and the pull rod (7).

4. The bag filter for easy filter bag replacement according to claim 1, characterized in that: A slot that matches the torsion block (8) is provided inside the pull rod (7), and the pull rod (7) forms a fixed structure with the main body (1) through the torsion block (8) and the rotating rod (9).

5. The bag filter for easy filter bag replacement according to claim 1, characterized in that: The clamping block (5) forms a sliding structure with the fixing ring (3) via a pull rod (7), and the clamping block (5) forms a fixed structure with the filter bag (2) via a spring (6) and a clamping ring (4).

6. The bag filter for easy filter bag replacement according to claim 2, characterized in that: The first connecting rod (12) forms a rotating structure with the third connecting rod (14) through the cylinder (10) and the second connecting rod (13), and the second rotating frame (15) is provided with a rotating groove that matches the third connecting rod (14).

7. The bag filter for easy filter bag replacement according to claim 2, characterized in that: The third connecting rod (14) forms a rotating structure with the first connecting rod (12) and the second rotating frame (15), and the pressure cover (16) forms an opening structure with the third connecting rod (14) and the main body (1).

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